:root{
  --blue:#2563b3; --blue-d:#1a457a; --green:#1f9a7a; --ink:#1f2933; --ink2:#4b5c6b;
  --bg:#ffffff; --bg2:#f4f8fb; --line:#e2edf5; --accent:#0ea5e9;
  --shadow:0 8px 30px rgba(26,69,122,.10); --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.25;font-weight:700}
.accent{color:#7dd3fc}
.center{text-align:center;margin:28px 0}
.section-lead{text-align:center;color:var(--ink2);max-width:680px;margin:-12px auto 28px;font-size:15px}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{box-shadow:var(--shadow)}
.nav-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:22px;padding:10px 20px}
.logo{display:flex;align-items:center;gap:11px;color:var(--blue-d);min-width:0}
.logo img{height:46px;width:auto;object-fit:contain;flex-shrink:0}
.logo-txt{display:flex;flex-direction:column;line-height:1.22;min-width:0}
.logo-txt b{font-size:17px;font-weight:800;letter-spacing:.3px;white-space:nowrap}
.logo-txt i{font-style:normal;font-size:11.5px;font-weight:500;color:var(--ink2);white-space:nowrap;letter-spacing:.2px}
.menu{display:flex;gap:26px;margin-left:auto;font-size:15px}
.menu a{color:var(--ink2);position:relative;padding:4px 0}
.menu a:hover{color:var(--blue)}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:.25s}
.menu a:hover::after{width:100%}
.nav-tel{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2;flex-shrink:0;
  margin-left:22px;padding:3px 0 3px 22px;border-left:1px solid var(--line)}
.nav-tel span{font-size:11.5px;color:var(--ink2);letter-spacing:1px}
.nav-tel b{font-size:20px;font-weight:800;color:var(--blue);letter-spacing:.5px;transition:.2s}
.nav-tel:hover b{color:var(--blue-d)}
.btn-quote{background:var(--blue);color:#fff;padding:9px 18px;border-radius:30px;font-size:14px;font-weight:600;transition:.25s}
.btn-quote:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn-primary{display:inline-block;background:var(--blue);color:#fff;padding:12px 26px;border-radius:30px;font-weight:600;transition:.25s}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{display:inline-block;border:1.5px solid rgba(255,255,255,.85);color:#fff;padding:12px 26px;border-radius:30px;font-weight:600;transition:.25s}
.btn-ghost:hover{background:#fff;color:var(--blue-d)}
.link{color:var(--blue);font-weight:600}
.link:hover{text-decoration:underline}

/* Hero */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-slides{position:absolute;inset:0;overflow:hidden}
/* 4 张轮播：切换由 app.js 按 .hero[data-interval] 驱动，图与配文同步淡入淡出，
   无 JS 时首屏（.on）仍然可见 */
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.hero-slide.on{opacity:1}
.hero-slide .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:saturate(1.02);animation:kenburns 20s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1.05)}to{transform:scale(1.14) translate(-1.2%,-.8%)}}
.hero-mask{position:absolute;inset:0;background:linear-gradient(110deg,rgba(10,35,72,.94),rgba(12,80,110,.72),rgba(18,60,95,.55))}
.hero-inner{position:relative;max-width:1180px;margin:0 auto;padding:0 24px;width:100%}
.hero-texts{position:absolute;inset:0}
.hero-text{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:100%;max-width:1180px;
  padding:0 24px;opacity:0;visibility:hidden;transition:opacity .9s ease,visibility 0s .9s}
.hero-text.on{opacity:1;visibility:visible;transition:opacity .9s ease,visibility 0s 0s}
.badge{display:inline-block;background:#fff;color:var(--blue-d);font-weight:700;
  padding:7px 16px;border-radius:30px;font-size:14px;margin-bottom:18px;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.hero h1{font-size:clamp(30px,5vw,54px);text-shadow:0 2px 20px rgba(0,0,0,.25)}
.hero p{font-size:clamp(15px,2vw,19px);margin:18px 0 28px;max-width:640px;opacity:.95}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);font-size:13px;opacity:.8;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* 统计 */
.stats{max-width:1180px;margin:0 auto;display:flex;gap:20px;padding:46px 20px;flex-wrap:wrap;justify-content:center}
.stat{text-align:center;flex:1;min-width:140px}
.stat b{display:block;font-size:clamp(30px,4vw,46px);color:var(--blue);font-weight:800}
.stat b i{font-style:normal;font-size:.52em;font-weight:700;margin-left:2px}
.stat span{color:var(--ink2);font-size:14px}

/* 首页公司介绍 */
.about-strip{max-width:1180px;margin:0 auto;padding:56px 20px;display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:center}
.about-media{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;align-items:center;justify-content:center}
.about-media img{max-height:140px;width:auto;background:#fff;border-radius:14px;padding:8px;box-shadow:0 4px 16px rgba(26,69,122,.1)}
.about-text h2{font-size:clamp(22px,3vw,30px);margin-bottom:16px;color:var(--blue-d)}
.about-text p{color:var(--ink2);margin-bottom:14px}
.about-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:20px}

/* 分类 */
.cats,.picks,.scenes-prev{max-width:1180px;margin:0 auto;padding:40px 20px}
.cats h2,.picks h2,.scenes-prev h2{text-align:center;font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cat-chip{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 16px;text-align:center;
  font-weight:600;transition:.25s;display:flex;flex-direction:column;gap:6px}
.cat-chip span{color:var(--blue);font-size:13px;background:var(--bg2);border-radius:20px;padding:2px 10px;align-self:center}
.cat-chip:hover{border-color:var(--blue);background:var(--blue);color:#fff;transform:translateY(-3px)}
.cat-chip:hover span{background:rgba(255,255,255,.2);color:#fff}

/* 网格卡片 */
.grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue)}
.card-img{aspect-ratio:1/1;background-size:cover;background-position:center;background-color:var(--bg2);transition:.4s}
.card:hover .card-img{transform:scale(1.05)}
.card-body{padding:9px 11px 11px}
.card-tags{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:6px}
.card-body .tag{display:inline-block;font-size:10px;color:var(--green);background:#eafaf4;border-radius:20px;padding:2px 8px}
.card-body .tag.form{color:#7c4d12;background:#fff4d9}
.card-body h3{font-size:14px;margin-bottom:6px;color:var(--ink);line-height:1.35}
.card-cta{color:var(--blue);font-size:12px;font-weight:600;opacity:0;transition:.25s}
.card:hover .card-cta{opacity:1}

/* 场景卡片 */
.scene-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene-card{position:relative;border-radius:14px;overflow:hidden;background:var(--bg2);box-shadow:var(--shadow);transition:.3s}
.scene-card:hover{transform:translateY(-4px)}
.scene-img{aspect-ratio:4/3;background-size:cover;background-position:center;transition:.5s}
.scene-card:hover .scene-img{transform:scale(1.05)}
.scene-cap{position:absolute;left:0;right:0;bottom:0;padding:18px 16px 16px;background:linear-gradient(transparent,rgba(10,35,72,.88));color:#fff}
.scene-cap b{display:block;font-size:17px;margin-bottom:5px}
.scene-cap span{display:block;font-size:13px;opacity:.9;line-height:1.45}
.scene-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1180px;margin:0 auto;padding:20px}
.empty{text-align:center;color:var(--ink2);padding:40px}

/* 列表页 */
.list-head{max-width:1180px;margin:0 auto;padding:40px 20px 0;text-align:center}
.list-head h1{font-size:clamp(26px,4vw,38px)}
.list-head p{color:var(--ink2);margin-top:8px}
/* 筛选面板 */
.filter-panel{margin:22px 0 0;padding:16px 20px 18px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:0 6px 22px rgba(26,69,122,.06);text-align:left}
.filter-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:11px;margin-bottom:14px;border-bottom:1px dashed var(--line)}
.filter-title{font-size:14px;font-weight:700;color:var(--blue-d);display:inline-flex;align-items:center;gap:8px}
.filter-title::before{content:"";width:4px;height:15px;border-radius:3px;background:linear-gradient(var(--blue),var(--green))}
.filter-hint{font-size:12.5px;color:#93a5b6}
.filter-reset{font-size:12.5px;color:var(--ink2);border:1px solid var(--line);border-radius:20px;padding:4px 13px;transition:.2s}
.filter-reset:hover{color:var(--blue);border-color:var(--blue);background:var(--bg2)}
.filter-row{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;margin-bottom:12px}
.filter-row:last-child{margin-bottom:0}
.filter-label{align-self:start;display:flex;align-items:center;justify-content:center;height:34px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--blue-d);background:#eaf3fb;border:1px solid #d3e6f7;border-radius:8px}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tab{display:inline-flex;align-items:center;gap:8px;min-height:34px;background:var(--bg2);border:1px solid var(--line);
  border-radius:9px;padding:0 12px 0 13px;font-size:13.5px;color:var(--ink2);transition:.2s;white-space:nowrap;line-height:1.2}
.tab:hover{border-color:var(--blue);color:var(--blue);background:#fff;transform:translateY(-1px)}
.tab .n{font-style:normal;font-size:11.5px;font-weight:700;color:var(--blue);background:#fff;
  border:1px solid var(--line);border-radius:20px;min-width:24px;padding:1px 6px;text-align:center}
.tab.on{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;border-color:var(--blue);
  font-weight:600;box-shadow:0 4px 12px rgba(37,99,179,.28)}
.tab.on .n{background:rgba(255,255,255,.22);color:#fff;border-color:transparent}
.list-grid{max-width:1180px;margin:0 auto;padding:10px 20px 0}
.pager{display:flex;gap:8px;justify-content:center;margin:20px auto;padding:0 20px;flex-wrap:wrap;max-width:1180px}
.pager a{padding:7px 14px;border:1px solid var(--line);border-radius:8px;color:var(--ink2)}
.pager a.on,.pager a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* 详情 */
.detail{max-width:1100px;margin:0 auto;padding:30px 20px}
.crumb{color:var(--ink2);font-size:14px;margin-bottom:20px}
.crumb a:hover{color:var(--blue)}
.detail-main{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.detail-img{aspect-ratio:1/1;border-radius:var(--radius);background-size:cover;background-position:center;background-color:var(--bg2);box-shadow:var(--shadow)}
.detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.detail-info .tag{display:inline-block;font-size:13px;color:var(--green);background:#eafaf4;border-radius:20px;padding:3px 12px}
.detail-info .tag.form{color:#7c4d12;background:#fff4d9}
.detail-info h1{font-size:clamp(24px,4vw,36px);margin-bottom:14px}
.detail-info .lead{color:var(--ink2);margin-bottom:22px}
.detail-desc{max-width:1100px;margin:40px auto;padding:0 20px}
.detail-desc h2{font-size:22px;margin-bottom:14px}
.detail-desc p{color:var(--ink2);white-space:pre-wrap}
.rel{max-width:1100px;margin:30px auto;padding:0 20px}
.rel h2{font-size:22px;margin-bottom:16px}

/* 通用页头 */
.page-hero{max-width:1180px;margin:0 auto;padding:60px 20px 30px;text-align:center}
.page-hero h1{font-size:clamp(28px,4vw,42px);color:var(--blue-d)}
.page-hero p{color:var(--ink2);margin-top:10px}

/* 关于 */
.about-grid{max-width:1100px;margin:0 auto;padding:20px;display:grid;grid-template-columns:1.3fr 1fr;gap:36px}
.about-grid h2{font-size:24px;margin-bottom:16px}
.about-grid p{color:var(--ink2);margin-bottom:14px}
.badge-box{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.badge-lg{background:linear-gradient(120deg,var(--blue),var(--green));color:#fff;padding:18px;border-radius:12px;font-weight:700;font-size:17px;line-height:1.5;margin-bottom:18px}
.svc{list-style:none;display:grid;gap:10px}
.svc li{padding-left:24px;position:relative;color:var(--ink2)}
.svc li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.poster-section{max-width:900px;margin:30px auto;padding:0 20px}
.poster-section img{border-radius:var(--radius);box-shadow:var(--shadow)}
.serve{max-width:1100px;margin:30px auto;padding:20px}
.serve h2{text-align:center;font-size:26px;margin-bottom:24px}
.serve-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.serve-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;transition:.3s}
.serve-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green)}
.serve-card div{font-size:34px;margin-bottom:10px}
.serve-card h3{font-size:18px;margin-bottom:8px}
.serve-card p{color:var(--ink2);font-size:14px}

/* 关于页：优势 / 区位 / 业务范围 */
.about-adv,.about-loc,.about-scope{max-width:1100px;margin:0 auto;padding:40px 20px 10px}
.about-adv h2,.about-loc h2,.about-scope h2{text-align:center;font-size:clamp(21px,2.8vw,28px);color:var(--blue-d);margin-bottom:12px}
.about-loc .section-lead,.about-adv .section-lead{margin-bottom:24px}
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.adv-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;box-shadow:0 6px 20px rgba(26,69,122,.06);transition:.3s}
.adv-card:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow)}
.adv-ico{flex-shrink:0;width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:13.5px;font-weight:700;line-height:1.25;color:#fff;letter-spacing:1px;
  background:linear-gradient(135deg,var(--blue),var(--green))}
.adv-card b{display:block;font-size:16px;color:var(--blue-d);margin-bottom:7px;line-height:1.5}
.adv-card p{color:var(--ink2);font-size:14px;line-height:1.75}
.loc-intro{color:var(--ink2);font-size:15px;line-height:1.95;margin-bottom:18px;padding:16px 20px;background:var(--bg2);
  border-left:4px solid var(--blue);border-radius:0 12px 12px 0}
.about-loc .guide-list li{font-size:14.5px}
.scope-chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center}
.scope-chips span{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 16px;font-size:13.5px;
  color:var(--ink2);transition:.25s}
.scope-chips span:hover{border-color:var(--blue);color:var(--blue);background:var(--bg2)}
.about-note{max-width:1100px;margin:26px auto 0;padding:0 20px}
.about-note p{font-size:13px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;line-height:1.85}
.about-note b{color:var(--blue-d)}

/* 首页：为什么建眼健康科普馆 */
.why-strip{background:linear-gradient(180deg,#f4f9fd,#eaf3fb);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:54px 20px}
.why-inner{max-width:1180px;margin:0 auto}
.why-head{text-align:center;max-width:760px;margin:0 auto 30px}
.why-head h2{font-size:clamp(22px,3vw,30px);color:var(--blue-d);margin-bottom:12px}
.why-head p{color:var(--ink2);font-size:15px}
.why-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}
.why-fact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;text-align:center;
  box-shadow:0 6px 20px rgba(26,69,122,.06);transition:.3s}
.why-fact:hover{transform:translateY(-4px);border-color:var(--blue)}
.why-fact b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--blue);line-height:1.15}
.why-fact b span{font-size:.5em;font-weight:700;margin-left:2px}
.why-fact>span{display:block;margin-top:6px;font-size:13px;color:var(--ink2)}
.why-cta{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.why-cta>span{font-size:13px;color:var(--ink2)}

/* 建馆指南页 */
.guide-nav{max-width:1100px;margin:0 auto 26px;padding:0 20px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.guide-nav a{background:#fff;border:1px solid var(--line);border-radius:30px;padding:9px 20px;font-size:14px;
  font-weight:600;color:var(--blue-d);transition:.25s}
.guide-nav a:hover{background:var(--blue);border-color:var(--blue);color:#fff;transform:translateY(-2px)}
.guide-sec{max-width:1100px;margin:0 auto;padding:22px 20px 10px}
.guide-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.gnum{font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-d));
  border-radius:10px;padding:7px 13px;letter-spacing:1px}
.guide-head h2{font-size:clamp(22px,3vw,30px);color:var(--blue-d)}
.guide-lead{color:var(--ink2);font-size:15.5px;line-height:1.9;padding:16px 20px;background:var(--bg2);
  border-left:4px solid var(--blue);border-radius:0 12px 12px 0;margin-bottom:26px}
.guide-sec h3{font-size:19px;color:var(--blue-d);margin:30px 0 14px;padding-left:14px;position:relative}
.guide-sec h3::before{content:"";position:absolute;left:0;top:.32em;width:5px;height:.85em;border-radius:3px;
  background:linear-gradient(var(--blue),var(--green))}
.guide-list{list-style:none;display:grid;gap:11px}
.guide-list li{position:relative;padding-left:22px;color:var(--ink2);font-size:15px;line-height:1.85}
.guide-list li::before{content:"";position:absolute;left:4px;top:.68em;width:7px;height:7px;border-radius:50%;
  background:var(--green)}
.guide-list b{color:var(--blue-d)}
.guide-note{color:var(--ink2);font-size:13.5px;background:#fff8e8;border:1px solid #f2e2bd;border-radius:10px;
  padding:11px 15px;margin-top:14px;line-height:1.8}
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 14px;text-align:center;box-shadow:0 6px 20px rgba(26,69,122,.06)}
.fact b{display:block;font-size:clamp(24px,3.2vw,34px);font-weight:800;color:var(--blue);line-height:1.15}
.fact span{display:block;margin-top:6px;font-size:13px;color:var(--ink2)}
.table-wrap{overflow-x:auto;margin-bottom:8px}
.guide-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.guide-table th{background:var(--blue-d);color:#fff;font-weight:600;padding:12px 14px;text-align:left;white-space:nowrap}
.guide-table td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink2);line-height:1.75;vertical-align:top}
.guide-table tbody tr:nth-child(even){background:#fafcfe}
.guide-table td:first-child{color:var(--blue-d);font-weight:600;white-space:nowrap}
.trap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trap{background:#fff;border:1px solid var(--line);border-top:4px solid #e8b04b;border-radius:12px;padding:20px 18px;
  box-shadow:0 6px 20px rgba(26,69,122,.06)}
.trap b{display:block;font-size:17px;color:var(--blue-d);margin-bottom:10px}
.trap p{color:var(--ink2);font-size:14px;line-height:1.8;margin-bottom:10px}
.trap span{display:block;font-size:13.5px;color:#8a6d2f;background:#fff8e8;border-radius:8px;padding:10px 12px;line-height:1.75}
.principle{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:14px;
  box-shadow:0 6px 20px rgba(26,69,122,.05)}
.principle>b{display:block;font-size:16px;color:var(--blue-d);margin-bottom:10px}
.principle p{color:var(--ink2);font-size:14.5px;line-height:1.85}
.seg-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:14px}
.seg{background:linear-gradient(180deg,#f4f9fd,#eaf3fb);border:1px solid var(--line);border-radius:12px;
  padding:16px 10px;text-align:center}
.seg i{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;
  background:var(--blue);color:#fff;font-style:normal;font-size:13px;font-weight:700;margin-bottom:8px}
.seg b{display:block;font-size:15px;color:var(--blue-d);margin-bottom:4px}
.seg span{display:block;font-size:12.5px;color:var(--ink2);line-height:1.6}
.guide-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:34px 0 10px}
.guide-cta .btn-ghost{border-color:var(--blue);color:var(--blue)}
.guide-cta .btn-ghost:hover{background:var(--blue);color:#fff}
.guide-src{max-width:1100px;margin:36px auto 0;padding:24px 20px 10px;border-top:1px solid var(--line)}
.guide-src h3{font-size:16px;color:var(--blue-d);margin-bottom:12px}
.guide-src ol{list-style:none;counter-reset:gs;display:grid;gap:8px}
.guide-src li{counter-increment:gs;position:relative;padding-left:30px;font-size:13.5px;color:var(--ink2);line-height:1.8}
.guide-src li::before{content:"[" counter(gs) "]";position:absolute;left:0;color:var(--blue);font-weight:700}
.guide-disc{font-size:13px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;margin-top:16px;line-height:1.85}
.guide-disc b{color:var(--blue-d)}
.guide-scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.guide-scenes .scene-card{position:relative;border-radius:14px;overflow:hidden;background:var(--bg2);
  box-shadow:var(--shadow);transition:.3s}
.guide-scenes .scene-card:hover{transform:translateY(-4px)}
.guide-scenes .scene-img{aspect-ratio:4/3;background-size:cover;background-position:center;transition:.5s}
.guide-scenes .scene-card:hover .scene-img{transform:scale(1.05)}
.guide-scenes .scene-cap{position:absolute;left:0;right:0;bottom:0;padding:18px 16px 16px;
  background:linear-gradient(transparent,rgba(10,35,72,.88));color:#fff}
.guide-scenes .scene-cap b{display:block;font-size:17px;margin-bottom:5px}
.guide-scenes .scene-cap span{display:block;font-size:13px;opacity:.9;line-height:1.45}

/* 新闻动态 */
.news-prev{max-width:1180px;margin:0 auto;padding:46px 20px}
.news-prev h2{text-align:center;font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.news-list{max-width:1100px;margin:0 auto;padding:10px 20px 30px;display:grid;gap:14px}
.news-prev .news-list{padding:6px 0 0;grid-template-columns:repeat(3,1fr)}
.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  transition:.28s;box-shadow:0 6px 20px rgba(26,69,122,.05)}
.news-card:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow)}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.news-tag{font-size:12px;color:var(--green);background:#eafaf4;border-radius:20px;padding:2px 11px}
.news-meta time{font-size:12.5px;color:#8fa2b3}
.news-card h3{font-size:18px;color:var(--blue-d);margin-bottom:8px;line-height:1.45}
.news-card p{color:var(--ink2);font-size:14.5px;line-height:1.8}
.news-more{display:inline-block;margin-top:12px;color:var(--blue);font-size:13.5px;font-weight:600}
.news-detail{max-width:860px;margin:0 auto;padding:30px 20px 10px}
.news-detail h1{font-size:clamp(24px,3.4vw,34px);color:var(--blue-d);margin:14px 0 14px;line-height:1.35}
.news-article{margin-top:22px}
.news-article h3{font-size:17.5px;color:var(--blue-d);margin:26px 0 10px;padding-left:13px;position:relative}
.news-article h3::before{content:"";position:absolute;left:0;top:.32em;width:5px;height:.85em;border-radius:3px;
  background:linear-gradient(var(--blue),var(--green))}
.news-article p{color:var(--ink2);font-size:15.5px;line-height:2;margin-bottom:14px}
.news-source{margin-top:26px;font-size:13px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;padding:14px 16px;line-height:1.85}
.news-detail+.guide-sec{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}

/* 联系 */
.contact-grid{max-width:1000px;margin:0 auto;padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info h2{font-size:24px;margin-bottom:18px}
.contact-info p{margin-bottom:12px;color:var(--ink2);font-size:16px}
.qr-wrap{display:flex;gap:18px;margin-top:20px;flex-wrap:wrap}
.qr{width:140px;text-align:center}
.qr img{width:140px;height:140px;border:1px solid var(--line);border-radius:12px;object-fit:cover;background:#fff}
.qr span{display:block;margin-top:6px;font-size:13px;color:var(--ink2)}
.contact-form{display:grid;gap:14px}
.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;background:var(--bg2)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--blue);background:#fff}
.form-tip{font-size:13px;color:var(--ink2)}

/* 底部CTA */
.cta-strip{max-width:1180px;margin:0 auto 60px;padding:0 20px}
.cta-inner{background:linear-gradient(120deg,var(--blue-d),var(--blue));border-radius:var(--radius);padding:56px 24px;text-align:center;color:#fff;box-shadow:var(--shadow)}
.cta-inner h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-inner p{opacity:.9;max-width:560px;margin:0 auto 22px}
.cta-inner .btn-primary{background:#fff;color:var(--blue-d)}
.cta-inner .btn-primary:hover{background:#eef7ff}

/* 页脚 */
.foot{background:var(--blue-d);color:#dce8f5;margin-top:40px;padding:40px 20px 0}
.foot-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.42fr 1.28fr 1fr 180px;gap:22px;padding-bottom:30px;align-items:start}
.foot-brand{display:flex;gap:14px;align-items:center}
.foot-brand img{height:48px;width:auto;background:#fff;border-radius:10px;padding:4px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.foot-brand b{color:#fff;font-size:16px}
.foot-col{font-size:14px;line-height:1.9}
.foot-col b{color:#fff}
.foot-qrs{display:flex;gap:16px;justify-content:flex-end}
.foot-qr{text-align:center}
.foot-qr img{width:72px;height:72px;border-radius:8px;object-fit:cover;background:#fff}
.foot-qr span{display:block;font-size:12px;margin-top:6px;color:#aac3de}
.foot-nav{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;
  padding:18px 0;border-top:1px solid rgba(255,255,255,.15);font-size:14px}
.foot-nav a{color:#cfe0f0;transition:.2s}
.foot-nav a:hover{color:#fff}
.foot-bot{text-align:center;padding:16px;font-size:13px;color:#aac3de}
.foot-bot a{color:#aac3de;text-decoration:underline}
.foot-bot a:hover{color:#fff}

/* 动效 */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero-bg{animation:none}
  .hero-slide,.hero-text{transition:none}
  .hero-scroll{animation:none}
  *{scroll-behavior:auto!important}
}
/* 响应式 */
@media(max-width:1060px){
  .news-prev .news-list{grid-template-columns:repeat(2,1fr)}
  .logo-txt b{font-size:15px}
  .logo-txt i{display:none}
  .menu{gap:18px;font-size:14px}
  .nav-tel b{font-size:18px}
}
/* 6 项菜单 + 公司名 + 电话并排至少要 ~980px，再窄就收起菜单（页脚有完整导航） */
@media(max-width:980px){
  .menu{display:none}
  .nav-tel{margin-left:auto}
}
@media(max-width:900px){
  .grid{grid-template-columns:repeat(4,1fr)}
  .why-facts,.fact-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .news-prev .news-list{grid-template-columns:1fr}
  .guide-scenes{grid-template-columns:repeat(2,1fr)}
  .trap-grid{grid-template-columns:1fr}
  .seg-flow{grid-template-columns:repeat(3,1fr)}
  .cat-grid,.scene-row,.scene-gallery,.serve-grid{grid-template-columns:repeat(2,1fr)}
  .about-strip,.detail-main,.about-grid,.contact-grid{grid-template-columns:1fr}
  .about-media{max-width:260px;margin:0 auto}
  .filter-row{grid-template-columns:1fr;gap:9px}
  .filter-label{justify-self:start;padding:6px 16px}
  .stats{gap:12px}
  .foot-inner{grid-template-columns:1fr 1fr}
  .foot-qrs{justify-content:flex-start}
}
@media(max-width:560px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .why-strip{padding:38px 16px}
  .seg-flow{grid-template-columns:1fr 1fr}
  .guide-scenes{grid-template-columns:1fr}
  .guide-nav a{padding:8px 15px;font-size:13px}
  .guide-table{font-size:13.5px}
  .cat-grid,.scene-row,.scene-gallery,.serve-grid{grid-template-columns:1fr}
  .foot-inner{grid-template-columns:1fr}
  .foot-qrs{justify-content:flex-start}
  .about-actions{flex-direction:column;align-items:flex-start}
  .nav-inner{gap:12px;padding:8px 14px}
  .logo img{height:38px}
  .logo-txt b{font-size:12.5px}
  .logo-txt i{display:none}
  .logo-txt b{font-size:12.5px}
  .nav-tel{padding-left:12px}
  .nav-tel span{display:none}
  .nav-tel b{font-size:15px}
}
@media(max-width:470px){
  .logo-txt b{white-space:normal;line-height:1.15;font-size:12px}
  .logo-txt b .brk{display:block}
  .nav-tel b{font-size:14px}
}

/* 光学展品多图相册 */
.detail-imgwrap{display:flex;flex-direction:column}
.detail-thumbs{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.detail-thumbs .thumb{width:64px;height:64px;border-radius:8px;background-size:cover;background-position:center;cursor:pointer;border:2px solid transparent;opacity:.7;transition:.2s;background-color:var(--bg2)}
.detail-thumbs .thumb:hover{opacity:1}
.detail-thumbs .thumb.on{border-color:var(--blue);opacity:1}
@media(max-width:720px){.detail-thumbs .thumb{width:52px;height:52px}}

/* 展品搜索框 */
.search-bar{display:flex;gap:10px;align-items:center;margin:14px 0 8px;flex-wrap:wrap}
.search-bar input[type=search]{flex:1;min-width:220px;padding:11px 18px;border:1.5px solid var(--line);border-radius:30px;font-size:15px;color:var(--ink);background:var(--bg);outline:none;transition:.2s}
.search-bar input[type=search]:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,179,.12)}
.search-bar button{padding:11px 26px;border:0;border-radius:30px;background:var(--blue);color:#fff;font-weight:600;cursor:pointer;transition:.2s}
.search-bar button:hover{background:var(--blue-d)}
.search-clear{font-size:14px;color:var(--ink2);text-decoration:underline}
.search-hint{margin:2px 0 10px;font-size:14px;color:var(--ink2)}
@media(max-width:600px){.search-bar input[type=search]{min-width:0}}