/* ============================================================
   曜石蓝 · 精密制造企业信息模板 (lens)
   版式架构复刻 www.hnlens.com (企业官网风格) · 5 套配色变体
   ============================================================ */
:root {
    --lens-primary: #12336E;
    --lens-primary-dark: #0A1F47;
    --lens-accent: #2E7CD9;
    --lens-accent-dark: #1B5BB0;
    --lens-bg: #ffffff;
    --lens-sub-bg: #EEF3FB;
    --lens-text: #1B2230;
    --lens-text2: #5C6674;
    --lens-dark1: #081A3C;
    --lens-dark2: #102C5E;
    --lens-line: #E6E9EF;
    --lens-grad: linear-gradient(135deg, #12336E 0%, #2E7CD9 100%);
    --lens-dark-grad: linear-gradient(120deg, #081A3C 0%, #102C5E 100%);
    --lens-max: 1400px;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 90px; scroll-behavior: smooth; }
body {
    margin: 0; background: var(--lens-bg); color: var(--lens-text);
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    line-height: 1.8; font-size: 16px; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s, opacity .25s, background .25s, transform .25s; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.25; }
p { margin: 0 0 14px; }
.lens-wrap { max-width: var(--lens-max); margin: 0 auto; padding: 0 24px; }
.lens-en { font-size: 13px; letter-spacing: 4px; text-transform: uppercase; color: var(--lens-accent); font-weight: 700; }
.lens-bar { width: 56px; height: 3px; background: var(--lens-grad); border-radius: 2px; margin: 18px 0 22px; }
.lens-bar.center { margin-left: auto; margin-right: auto; }

/* ---------------- 按钮 ---------------- */
.lens-btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 32px; border-radius: 2px; font-size: 15px; font-weight: 600; letter-spacing: 1px; }
.lens-btn-solid { background: var(--lens-primary); color: #fff; }
.lens-btn-solid:hover { background: var(--lens-primary-dark); color: #fff; }
.lens-btn-ghost { border: 1px solid rgba(255,255,255,.6); color: #fff; }
.lens-btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; border-color: #fff; }
.lens-btn-line { border: 1px solid var(--lens-primary); color: var(--lens-primary); }
.lens-btn-line:hover { background: var(--lens-primary); color: #fff; }
.lens-more { display: inline-flex; align-items: center; gap: 8px; color: var(--lens-primary); font-weight: 600; font-size: 15px; letter-spacing: 1px; }
.lens-more i { font-size: 12px; transition: transform .25s; }
.lens-more:hover { color: var(--lens-accent); }
.lens-more:hover i { transform: translateX(5px); }

/* ---------------- Header ---------------- */
.lens-header { position: fixed; left: 0; top: 0; width: 100%; z-index: 900; padding: 20px 0; transition: all .35s; }
.lens-header .lens-wrap { display: flex; align-items: center; gap: 26px; }
.lens-logo { display: flex; align-items: center; gap: 12px; color: #fff; flex: 0 0 auto; }
.lens-logo-mark { width: 42px; height: 42px; border-radius: 3px; background: var(--lens-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 19px; font-weight: 800; }
.lens-logo-txt { font-size: 21px; font-weight: 800; letter-spacing: 1px; line-height: 1.1; }
.lens-logo-sub { display: block; font-size: 10px; letter-spacing: 3px; font-weight: 500; opacity: .75; }
.lens-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.lens-nav > li { position: relative; }
.lens-nav > li > a { display: block; padding: 10px 14px; font-size: 16px; font-weight: 600; color: rgba(255,255,255,.92); line-height: 1.4; }
.lens-nav > li > a:hover { color: #fff; }
.lens-nav .caret { font-size: 10px; margin-left: 5px; opacity: .7; }
.lens-drop { position: absolute; left: 50%; transform: translateX(-50%) translateY(10px); top: 100%; min-width: 158px; background: #fff; box-shadow: 0 14px 40px rgba(0,0,0,.16); opacity: 0; visibility: hidden; transition: all .28s; padding: 8px 0; }
.lens-drop a { display: block; padding: 9px 20px; font-size: 14px; color: var(--lens-text); text-align: center; border-bottom: 1px solid rgba(0,0,0,.04); }
.lens-drop a:last-child { border-bottom: 0; }
.lens-drop a:hover { color: var(--lens-primary); background: var(--lens-sub-bg); }
.lens-nav > li:hover .lens-drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.lens-head-tools { display: flex; align-items: center; gap: 16px; flex: 0 0 auto; }
.lens-icon-btn { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; cursor: pointer; border: 0; background: transparent; }
.lens-icon-btn:hover { color: var(--lens-accent); }
.lens-lang { position: relative; }
.lens-lang-txt { display: flex; align-items: center; gap: 7px; font-size: 14px; color: rgba(255,255,255,.9); cursor: pointer; padding: 8px 4px; }
.lens-lang-list { position: absolute; right: 0; top: 100%; background: #fff; box-shadow: 0 14px 40px rgba(0,0,0,.18); min-width: 118px; display: none; z-index: 5; }
.lens-lang-list a { display: block; padding: 9px 18px; font-size: 14px; color: var(--lens-text); }
.lens-lang-list a:hover { background: var(--lens-sub-bg); color: var(--lens-primary); }
.lens-lang.open .lens-lang-list { display: block; }
.lens-burger { display: none; }

/* 滚动后白底 */
.lens-header.solid { background: #fff; box-shadow: 0 2px 18px rgba(0,0,0,.09); padding: 12px 0; }
.lens-header.solid .lens-logo, .lens-header.solid .lens-icon-btn { color: var(--lens-text); }
.lens-header.solid .lens-logo-mark { background: var(--lens-grad); }
.lens-header.solid .lens-nav > li > a { color: var(--lens-text); }
.lens-header.solid .lens-nav > li > a:hover { color: var(--lens-primary); }
.lens-header.solid .lens-lang-txt { color: var(--lens-text); }
.lens-header.solid .lens-header-line { background: var(--lens-line); }

/* 搜索浮层 */
.lens-search { position: fixed; inset: 0; background: rgba(8,14,26,.86); z-index: 1200; display: none; align-items: center; justify-content: center; padding: 24px; }
.lens-search.open { display: flex; }
.lens-search-box { width: 100%; max-width: 760px; }
.lens-search-box h4 { color: #fff; font-size: 26px; margin-bottom: 22px; text-align: center; font-weight: 600; }
.lens-search-form { display: flex; border-bottom: 2px solid rgba(255,255,255,.5); padding-bottom: 12px; }
.lens-search-form input { flex: 1; background: transparent; border: 0; outline: 0; color: #fff; font-size: 22px; }
.lens-search-form input::placeholder { color: rgba(255,255,255,.55); }
.lens-search-form button { background: transparent; border: 0; color: #fff; font-size: 22px; cursor: pointer; padding: 0 10px; }
.lens-search-form button:hover { color: var(--lens-accent); }
.lens-search-close { position: absolute; right: 32px; top: 28px; font-size: 30px; color: #fff; cursor: pointer; background: transparent; border: 0; }
.lens-search-hot { margin-top: 24px; text-align: center; }
.lens-search-hot span { display: inline-block; margin: 5px; padding: 6px 16px; border: 1px solid rgba(255,255,255,.35); color: rgba(255,255,255,.85); font-size: 13px; border-radius: 20px; }

/* ---------------- Hero 轮播 ---------------- */
.lens-hero { position: relative; height: 100vh; min-height: 620px; overflow: hidden; background: var(--lens-dark1); }
.lens-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease; }
.lens-slide.active { opacity: 1; z-index: 2; }
.lens-slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lens-slide::after { content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(6,12,24,.82) 0%, rgba(6,12,24,.52) 48%, rgba(6,12,24,.22) 100%); }
.lens-slide .lens-wrap { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.lens-slide-tag { display: inline-block; color: rgba(255,255,255,.82); font-size: 14px; letter-spacing: 5px; text-transform: uppercase; margin-bottom: 20px; font-weight: 600; }
.lens-slide h1 { color: #fff; font-size: clamp(30px, 4.6vw, 66px); line-height: 1.16; letter-spacing: 2px; margin-bottom: 18px; }
.lens-slide h2 { color: rgba(255,255,255,.9); font-size: clamp(16px, 1.7vw, 25px); font-weight: 400; letter-spacing: 2px; margin-bottom: 34px; }
.lens-slide-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.lens-hero-dots { position: absolute; left: 50%; transform: translateX(-50%); bottom: 34px; z-index: 6; display: flex; gap: 12px; }
.lens-hero-dots button { width: 42px; height: 3px; border: 0; padding: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: all .3s; }
.lens-hero-dots button.on { background: #fff; }
.lens-hero-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 6; width: 52px; height: 52px; border: 1px solid rgba(255,255,255,.4); background: rgba(0,0,0,.18); color: #fff; cursor: pointer; font-size: 17px; }
.lens-hero-arrow:hover { background: var(--lens-primary); border-color: var(--lens-primary); }
.lens-hero-prev { left: 26px; } .lens-hero-next { right: 26px; }
.lens-hero-num { position: absolute; right: 30px; bottom: 30px; z-index: 6; color: rgba(255,255,255,.72); font-size: 14px; letter-spacing: 2px; }
.lens-hero-num b { color: #fff; font-size: 26px; }

/* ---------------- 通用区块 ---------------- */
.lens-sec { padding: 100px 0; }
.lens-sec.alt { background: var(--lens-sub-bg); }
.lens-sec.dark { background: var(--lens-dark-grad); color: #fff; }
.lens-head { margin-bottom: 52px; }
.lens-head.center { text-align: center; }
.lens-head h2 { font-size: clamp(26px, 2.9vw, 42px); letter-spacing: 1px; margin-top: 12px; }
.lens-head p { color: var(--lens-text2); max-width: 760px; font-size: 16px; }
.lens-head.center p { margin-left: auto; margin-right: auto; }
.lens-sec.dark .lens-head p { color: rgba(255,255,255,.78); }
.lens-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 26px; flex-wrap: wrap; }

/* ---------------- 关于企业 ---------------- */
.lens-about { text-align: center; }
.lens-about .lens-about-txt { max-width: 960px; margin: 0 auto; color: var(--lens-text2); font-size: 16px; line-height: 2.05; }
.lens-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 60px 0 44px; }
.lens-stat { padding: 34px 16px; background: #fff; border: 1px solid var(--lens-line); position: relative; overflow: hidden; transition: all .35s; }
.lens-stat::before { content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: var(--lens-grad); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.lens-stat:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(0,0,0,.09); }
.lens-stat:hover::before { transform: scaleX(1); }
.lens-stat .num { font-size: clamp(32px, 3.6vw, 50px); font-weight: 800; color: var(--lens-primary); line-height: 1; }
.lens-stat .unit { font-size: 17px; font-weight: 600; color: var(--lens-accent); margin-left: 3px; }
.lens-stat .lbl { margin-top: 12px; color: var(--lens-text2); font-size: 15px; letter-spacing: 1px; }
.lens-about-strip { margin-top: 62px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 0; align-items: stretch; text-align: left; }
.lens-about-strip .img { position: relative; overflow: hidden; min-height: 340px; }
.lens-about-strip .img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform .8s; }
.lens-about-strip:hover .img img { transform: scale(1.06); }
.lens-about-panel { background: var(--lens-dark-grad); color: #fff; padding: 52px 46px; }
.lens-about-panel h3 { font-size: 26px; margin-bottom: 18px; }
.lens-about-panel p { color: rgba(255,255,255,.8); font-size: 15px; }
.lens-about-panel ul li { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.14); display: flex; align-items: center; gap: 12px; font-size: 15px; }
.lens-about-panel ul li i { color: var(--lens-accent); }

/* ---------------- 主营业务 Tab ---------------- */
.lens-biz-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--lens-line); margin-bottom: 40px; flex-wrap: wrap; }
.lens-biz-tabs button { background: transparent; border: 0; padding: 16px 34px; font-size: 18px; font-weight: 600; color: var(--lens-text2); cursor: pointer; position: relative; font-family: inherit; }
.lens-biz-tabs button::after { content: ''; position: absolute; left: 0; bottom: -1px; width: 100%; height: 3px; background: var(--lens-primary); transform: scaleX(0); transition: transform .3s; }
.lens-biz-tabs button.on { color: var(--lens-primary); }
.lens-biz-tabs button.on::after { transform: scaleX(1); }
.lens-biz-panel { display: none; }
.lens-biz-panel.on { display: grid; grid-template-columns: 1.15fr 1fr; gap: 54px; align-items: center; animation: lensFade .6s; }
@keyframes lensFade { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.lens-biz-figure { position: relative; overflow: hidden; aspect-ratio: 16/10; background: var(--lens-dark1); }
.lens-biz-figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s; }
.lens-biz-figure:hover img { transform: scale(1.05); }
.lens-biz-figure span { position: absolute; left: 0; bottom: 0; background: var(--lens-primary); color: #fff; font-size: 13px; letter-spacing: 2px; padding: 8px 18px; }
.lens-biz-txt h3 { font-size: clamp(22px, 2.2vw, 32px); margin-bottom: 16px; }
.lens-biz-txt p { color: var(--lens-text2); }
.lens-biz-list { margin: 24px 0 28px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 20px; }
.lens-biz-list li { font-size: 15px; color: var(--lens-text); display: flex; gap: 10px; align-items: baseline; }
.lens-biz-list li i { color: var(--lens-accent); font-size: 12px; }

/* ---------------- 应用场景 / 卡片网格 ---------------- */
.lens-cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.lens-card { background: #fff; border: 1px solid var(--lens-line); overflow: hidden; display: flex; flex-direction: column; transition: all .35s; }
.lens-card:hover { transform: translateY(-8px); box-shadow: 0 22px 46px rgba(0,0,0,.1); border-color: transparent; }
.lens-card .ph { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--lens-sub-bg); }
.lens-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.lens-card:hover .ph img { transform: scale(1.07); }
.lens-card .bd { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.lens-card h3 { font-size: 20px; margin-bottom: 12px; }
.lens-card p { color: var(--lens-text2); font-size: 15px; flex: 1; }
.lens-sec.alt .lens-card { border-color: #fff; }

/* ---------------- 可持续发展 ---------------- */
.lens-sus { display: grid; grid-template-columns: .82fr 1.18fr; gap: 56px; align-items: center; }
.lens-sus-txt h2 { font-size: clamp(26px, 3vw, 44px); line-height: 1.3; margin: 14px 0 0; }
.lens-sus-txt p { color: var(--lens-text2); margin-top: 22px; }
.lens-sus-grid { display: grid; grid-template-columns: 1.25fr 1fr; grid-template-rows: 1fr 1fr; gap: 20px; }
.lens-sus-item { position: relative; overflow: hidden; min-height: 190px; display: flex; align-items: flex-end; color: #fff; }
.lens-sus-item:first-child { grid-row: span 2; min-height: 400px; }
.lens-sus-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.lens-sus-item::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,12,24,0) 40%, rgba(6,12,24,.85) 100%); }
.lens-sus-item:hover img { transform: scale(1.08); }
.lens-sus-item b { position: relative; z-index: 2; padding: 22px 24px; font-size: 19px; font-weight: 600; letter-spacing: 1px; }
.lens-sus-item i { position: relative; z-index: 2; margin: 0 22px 22px 0; font-size: 14px; opacity: 0; transition: opacity .3s; }
.lens-sus-item:hover i { opacity: 1; }

/* ---------------- 新闻 ---------------- */
.lens-news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.lens-ncard { background: #fff; border: 1px solid var(--lens-line); overflow: hidden; display: flex; flex-direction: column; transition: all .35s; }
.lens-ncard:hover { transform: translateY(-6px); box-shadow: 0 20px 42px rgba(0,0,0,.09); }
.lens-ncard .ph { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--lens-sub-bg); }
.lens-ncard .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.lens-ncard:hover .ph img { transform: scale(1.06); }
.lens-ncard .bd { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.lens-ndate { font-size: 13px; letter-spacing: 1.5px; color: var(--lens-accent); font-weight: 700; margin-bottom: 10px; }
.lens-ncard h3 { font-size: 17px; line-height: 1.6; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lens-ncard h3 a:hover { color: var(--lens-primary); }
.lens-ncard p { font-size: 14px; color: var(--lens-text2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.lens-nmeta { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--lens-line); font-size: 13px; color: var(--lens-text2); display: flex; gap: 16px; }
.lens-nmeta i { margin-right: 5px; color: var(--lens-accent); }
.lens-rank { display: grid; gap: 10px; }
.lens-rank a { display: flex; gap: 14px; align-items: center; padding: 14px 18px; background: #fff; border: 1px solid var(--lens-line); transition: all .28s; }
.lens-rank a:hover { border-color: var(--lens-primary); transform: translateX(4px); }
.lens-rank em { flex: 0 0 26px; height: 26px; display: flex; align-items: center; justify-content: center; background: var(--lens-sub-bg); color: var(--lens-primary); font-style: normal; font-weight: 700; font-size: 13px; }
.lens-rank span { flex: 1; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lens-rank time { font-size: 13px; color: var(--lens-text2); }

/* ---------------- 加入我们 ---------------- */
.lens-join { position: relative; overflow: hidden; padding: 110px 0; color: #fff; text-align: center; }
.lens-join img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lens-join::after { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(6,12,24,.9), rgba(6,12,24,.72)); }
.lens-join .lens-wrap { position: relative; z-index: 3; }
.lens-join h2 { font-size: clamp(28px, 3.4vw, 52px); letter-spacing: 3px; margin-bottom: 16px; }
.lens-join p { color: rgba(255,255,255,.82); font-size: 17px; margin-bottom: 32px; }
.lens-join-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 58px; text-align: left; }
.lens-join-feat { padding: 30px 28px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); transition: all .35s; }
.lens-join-feat:hover { background: rgba(255,255,255,.14); transform: translateY(-6px); }
.lens-join-feat i { font-size: 26px; color: var(--lens-accent); margin-bottom: 16px; display: block; }
.lens-join-feat h3 { font-size: 19px; margin-bottom: 10px; }
.lens-join-feat p { font-size: 14px; color: rgba(255,255,255,.75); margin: 0; }

/* ---------------- CTA ---------------- */
.lens-cta { background: var(--lens-grad); color: #fff; padding: 66px 0; }
.lens-cta .lens-wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.lens-cta h2 { font-size: clamp(22px, 2.4vw, 34px); }
.lens-cta p { margin: 8px 0 0; color: rgba(255,255,255,.86); }
.lens-cta .lens-btn-solid { background: #fff; color: var(--lens-primary); }
.lens-cta .lens-btn-solid:hover { background: var(--lens-dark1); color: #fff; }

/* ---------------- Footer ---------------- */
.lens-footer { background: var(--lens-dark1); color: rgba(255,255,255,.72); padding: 68px 0 0; font-size: 14px; }
.lens-foot-nav { display: grid; grid-template-columns: repeat(6, 1fr); gap: 26px; padding-bottom: 46px; border-bottom: 1px solid rgba(255,255,255,.12); }
.lens-foot-nav h5 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 600; }
.lens-foot-nav a { display: block; padding: 5px 0; font-size: 13.5px; color: rgba(255,255,255,.62); }
.lens-foot-nav a:hover { color: #fff; padding-left: 4px; }
.lens-foot-main { display: flex; justify-content: space-between; gap: 40px; padding: 40px 0; flex-wrap: wrap; }
.lens-foot-brand { max-width: 460px; }
.lens-foot-brand .lens-logo { color: #fff; margin-bottom: 16px; }
.lens-foot-brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255,255,255,.6); }
.lens-foot-qr { display: flex; gap: 30px; }
.lens-qr { text-align: center; width: 116px; }
.lens-qr .box { width: 106px; height: 106px; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--lens-text2); font-size: 30px; margin-bottom: 9px; }
.lens-foot-copy { padding: 22px 0 30px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: rgba(255,255,255,.5); }
.lens-foot-copy .row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.lens-foot-copy a { color: rgba(255,255,255,.55); }
.lens-foot-copy a:hover { color: #fff; }
.lens-foot-copy .sm { display: flex; gap: 22px; }

/* ---------------- 内页头部 / 子分类条 ---------------- */
.lens-pagehead { position: relative; height: 56vh; min-height: 380px; display: flex; align-items: center; overflow: hidden; background: var(--lens-dark1); }
.lens-pagehead img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.lens-pagehead::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(6,12,24,.8), rgba(6,12,24,.35)); }
.lens-pagehead .lens-wrap { position: relative; z-index: 3; }
.lens-pagehead h1 { color: #fff; font-size: clamp(26px, 3.4vw, 50px); letter-spacing: 2px; margin-bottom: 12px; }
.lens-pagehead p { color: rgba(255,255,255,.85); font-size: clamp(14px, 1.4vw, 19px); letter-spacing: 1px; margin: 0; }
.lens-catenav { background: #fff; border-bottom: 1px solid var(--lens-line); position: sticky; top: 0; z-index: 400; }
.lens-header.solid + .lens-pagehead + .lens-catenav,
.lens-header.solid ~ .lens-catenav { top: 66px; }
.lens-catenav .lens-wrap { display: flex; gap: 6px; overflow-x: auto; }
.lens-catenav a { padding: 18px 24px; font-size: 15px; font-weight: 600; color: var(--lens-text2); white-space: nowrap; border-bottom: 2px solid transparent; }
.lens-catenav a:hover, .lens-catenav a.on { color: var(--lens-primary); border-color: var(--lens-primary); }
.lens-crumb { font-size: 14px; color: var(--lens-text2); margin-bottom: 34px; }
.lens-crumb a:hover { color: var(--lens-primary); }
.lens-crumb i { margin-right: 6px; }

/* ---------------- 列表 / 分页 ---------------- */
.lens-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.lens-list.lens-list-row { grid-template-columns: 1fr; gap: 20px; }
.lens-lcard { display: flex; gap: 24px; background: #fff; border: 1px solid var(--lens-line); padding: 20px; transition: all .32s; }
.lens-lcard:hover { box-shadow: 0 18px 38px rgba(0,0,0,.09); transform: translateY(-4px); }
.lens-lcard .bd { flex: 1; min-width: 0; }
.lens-lcard .ph { flex: 0 0 260px; aspect-ratio: 16/10; overflow: hidden; background: var(--lens-sub-bg); }
.lens-lcard .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.lens-lcard:hover .ph img { transform: scale(1.06); }
.lens-lcard h3 { font-size: 19px; margin-bottom: 10px; }
.lens-lcard p { color: var(--lens-text2); font-size: 14.5px; }
.lens-empty { text-align: center; padding: 70px 20px; color: var(--lens-text2); }
.lens-empty i { font-size: 46px; color: var(--lens-accent); display: block; margin-bottom: 16px; }
.lens-pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 54px; flex-wrap: wrap; }
.lens-pager a, .lens-pager span { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px; padding: 0 12px; border: 1px solid var(--lens-line); font-size: 14px; color: var(--lens-text2); background: #fff; }
.lens-pager a:hover { border-color: var(--lens-primary); color: var(--lens-primary); }
.lens-pager .current, .lens-pager .page-active { background: var(--lens-primary); border-color: var(--lens-primary); color: #fff; }
.lens-backtop { position: fixed; right: 24px; bottom: 26px; z-index: 800; width: 46px; height: 46px; background: var(--lens-primary); color: #fff; display: none; align-items: center; justify-content: center; cursor: pointer; border: 0; box-shadow: 0 10px 26px rgba(0,0,0,.2); }
.lens-backtop.show { display: flex; }
.lens-backtop:hover { background: var(--lens-accent); }

/* ---------------- 详情页 ---------------- */
.lens-detail { max-width: 940px; margin: 0 auto; }
.lens-detail-title { font-size: clamp(24px, 2.9vw, 40px); line-height: 1.4; margin-bottom: 22px; }
.lens-detail-meta { display: flex; gap: 22px; flex-wrap: wrap; padding-bottom: 22px; border-bottom: 1px solid var(--lens-line); color: var(--lens-text2); font-size: 14px; }
.lens-detail-meta i { color: var(--lens-accent); margin-right: 6px; }
.lens-detail-body { padding: 34px 0 10px; font-size: 16.5px; line-height: 2.05; color: #2A3240; word-break: break-word; }
.lens-detail-body p { margin-bottom: 20px; }
.lens-detail-body img { margin: 24px auto; border-radius: 2px; height: auto !important; width: auto !important; max-width: 100% !important; }
.lens-detail-body h3, .lens-detail-body h4 { margin: 30px 0 14px; font-size: 21px; }
.lens-detail-body ul, .lens-detail-body ol { margin: 0 0 20px; padding-left: 24px; }
.lens-detail-body ul li { list-style: disc; }
.lens-detail-body ol li { list-style: decimal; }
.lens-detail-body table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.lens-detail-body table td, .lens-detail-body table th { border: 1px solid var(--lens-line); padding: 10px 14px; font-size: 15px; }
.lens-detail-body blockquote { margin: 22px 0; padding: 16px 22px; background: var(--lens-sub-bg); border-left: 3px solid var(--lens-primary); color: var(--lens-text2); }
.lens-relate { margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--lens-line); }
.lens-relate h4 { font-size: 19px; margin-bottom: 20px; }
.lens-relate a { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--lens-line); font-size: 15px; }
.lens-relate a:hover { color: var(--lens-primary); }
.lens-relate time { color: var(--lens-text2); font-size: 13.5px; }

/* ---------------- 搜索 / 标签 ---------------- */
.lens-searchbar { display: flex; max-width: 720px; margin: 0 auto 46px; }
.lens-searchbar input { flex: 1; height: 56px; border: 1px solid var(--lens-line); border-right: 0; padding: 0 20px; font-size: 16px; outline: 0; font-family: inherit; }
.lens-searchbar input:focus { border-color: var(--lens-primary); }
.lens-searchbar button { width: 140px; border: 0; background: var(--lens-primary); color: #fff; font-size: 16px; cursor: pointer; font-family: inherit; }
.lens-searchbar button:hover { background: var(--lens-accent); }
.lens-tagcloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.lens-tagcloud a { padding: 10px 22px; border: 1px solid var(--lens-line); background: #fff; font-size: 15px; color: var(--lens-text2); }
.lens-tagcloud a:hover { background: var(--lens-primary); border-color: var(--lens-primary); color: #fff; }

/* ---------------- DIY 单页组件 ---------------- */
.lens-prose { max-width: 940px; margin: 0 auto; color: var(--lens-text2); font-size: 16px; line-height: 2; }
.lens-prose h3 { color: var(--lens-text); font-size: 21px; margin: 30px 0 14px; }
.lens-split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.lens-split .ph { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.lens-split .ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lens-timeline { position: relative; padding-left: 28px; border-left: 2px solid var(--lens-line); margin: 24px 0; }
.lens-timeline li { position: relative; padding: 0 0 26px 8px; }
.lens-timeline li::before { content: ''; position: absolute; left: -37px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--lens-primary); box-shadow: 0 0 0 4px var(--lens-sub-bg); }
.lens-timeline b { display: block; color: var(--lens-primary); font-size: 17px; margin-bottom: 4px; }
.lens-timeline span { color: var(--lens-text2); font-size: 15px; }
.lens-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.lens-fact { padding: 28px 20px; text-align: center; background: #fff; border: 1px solid var(--lens-line); }
.lens-fact i { font-size: 26px; color: var(--lens-primary); margin-bottom: 14px; }
.lens-fact b { display: block; font-size: 17px; margin-bottom: 6px; }
.lens-fact span { font-size: 14px; color: var(--lens-text2); }
.lens-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.lens-contact-list li { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--lens-line); }
.lens-contact-list i { flex: 0 0 46px; height: 46px; display: flex; align-items: center; justify-content: center; background: var(--lens-sub-bg); color: var(--lens-primary); font-size: 17px; }
.lens-contact-list b { display: block; font-size: 16px; margin-bottom: 2px; }
.lens-contact-list span { color: var(--lens-text2); font-size: 14.5px; }
.lens-form { background: var(--lens-sub-bg); padding: 34px 32px; }
.lens-form h3 { font-size: 21px; margin-bottom: 20px; }
.lens-form input, .lens-form textarea { width: 100%; border: 1px solid var(--lens-line); background: #fff; padding: 13px 16px; font-size: 15px; font-family: inherit; margin-bottom: 14px; outline: 0; }
.lens-form input:focus, .lens-form textarea:focus { border-color: var(--lens-primary); }
.lens-form button { border: 0; background: var(--lens-primary); color: #fff; padding: 13px 34px; font-size: 15px; cursor: pointer; font-family: inherit; }
.lens-form button:hover { background: var(--lens-accent); }
.lens-map { height: 340px; background: var(--lens-sub-bg); display: flex; align-items: center; justify-content: center; color: var(--lens-text2); border: 1px solid var(--lens-line); margin-top: 40px; }
.lens-grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.lens-grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* ---------------- 404 ---------------- */
.lens-404 { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: var(--lens-dark-grad); color: #fff; padding: 40px 20px; }
.lens-404 b { display: block; font-size: clamp(80px, 14vw, 170px); line-height: 1; letter-spacing: 6px; }
.lens-404 p { color: rgba(255,255,255,.8); font-size: 18px; margin: 18px 0 30px; }

/* ---------------- 移动端 ---------------- */
@media (max-width: 1200px) {
    .lens-foot-nav { grid-template-columns: repeat(3, 1fr); }
    .lens-news, .lens-list, .lens-cards3 { grid-template-columns: repeat(2, 1fr); }
    .lens-stats, .lens-facts, .lens-grid4 { grid-template-columns: repeat(2, 1fr); }
    .lens-nav > li > a { padding: 10px 9px; font-size: 14.5px; }
}
@media (max-width: 980px) {
    .lens-biz-panel.on, .lens-sus, .lens-split, .lens-contact, .lens-about-strip { grid-template-columns: 1fr; }
    .lens-sus-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .lens-sus-item:first-child { grid-row: auto; min-height: 260px; }
    .lens-biz-panel { gap: 30px; }
    .lens-about-panel { padding: 36px 26px; }
    .lens-hero-arrow { display: none; }
    .lens-nav, .lens-lang { display: none; }
    .lens-burger { display: flex; }
    .lens-sec { padding: 66px 0; }
    .lens-drawer { display: block; }
    .lens-join-feats { grid-template-columns: 1fr; }
    .lens-lcard { flex-direction: column; }
    .lens-lcard .ph { flex: none; width: 100%; }
}
@media (max-width: 640px) {
    .lens-news, .lens-list, .lens-cards3, .lens-stats, .lens-facts, .lens-grid2, .lens-grid4 { grid-template-columns: 1fr; }
    .lens-foot-nav { grid-template-columns: repeat(2, 1fr); }
    .lens-hero { min-height: 540px; }
    .lens-slide h1 { letter-spacing: 0; }
    .lens-biz-tabs button { padding: 12px 18px; font-size: 15px; }
    .lens-foot-qr { gap: 16px; }
    .lens-search-form input { font-size: 17px; }
    .lens-head-row { flex-direction: column; align-items: flex-start; }
}

/* 移动抽屉 */
.lens-drawer { position: fixed; inset: 0; z-index: 1300; background: rgba(6,12,24,.6); display: none; }
.lens-drawer.open { display: block; }
.lens-drawer-panel { position: absolute; right: 0; top: 0; height: 100%; width: 82%; max-width: 340px; background: #fff; overflow-y: auto; padding: 24px 0 40px; animation: lensSlide .35s; }
@keyframes lensSlide { from { transform: translateX(100%); } to { transform: none; } }
.lens-drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 0 22px 18px; border-bottom: 1px solid var(--lens-line); }
.lens-drawer-head .lens-logo { color: var(--lens-text); }
.lens-drawer-close { background: transparent; border: 0; font-size: 22px; color: var(--lens-text2); cursor: pointer; }
.lens-drawer-panel > ul > li { border-bottom: 1px solid var(--lens-line); }
.lens-drawer-panel > ul > li > a { display: flex; justify-content: space-between; align-items: center; padding: 15px 22px; font-size: 16px; font-weight: 600; color: var(--lens-text); }
.lens-drawer-panel .sub a { display: block; padding: 10px 22px 10px 38px; font-size: 14.5px; color: var(--lens-text2); background: var(--lens-sub-bg); }