:root{
  --bg:#ffffff; --ink:#172531; --muted:#566675; --line:#dde7f0;
  --brand:#0b66c3;            /* 水务蓝（主色） */
  --brand-ink:#0a4f96;        /* 深海蓝 */
  --brand-soft:#e8f1fb;
  --brand-2:#12a594;          /* 物联青（辅色，用于强调/物联网关联） */
  --brand-2-ink:#0b7f72;
  --gold:#f0a020;             /* 琥珀（保留辅助） */
  --paper:#f3f8fc;            /* 浅蓝底 */
  --paper-2:#eaf2fa;          /* 图片容器底色 */
  --radius:14px; --maxw:1180px;
  /* 首页 Banner 高度：需要调整横幅高度时改这一个值即可（当前 340–520px） */
  --hero-min-h:clamp(340px,36vw,520px);
  /* 内页 hero（方案详情、城市分站等无大图页面）高度，避免大片空白 */
  --hero-min-h-sm:clamp(240px,24vw,360px);
  /* 二级栏目页 Banner 高度（产品中心/解决方案/案例/关于/新闻/FAQ/联系） */
  --pagebanner-h:300px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-head:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  color:var(--ink); background:var(--bg); line-height:1.8; font-size:16px;
  letter-spacing:.012em; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--font-head); letter-spacing:.01em}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 20px}

/* 顶部条 */
.topbar{background:var(--brand); color:#fff; font-size:13px}
.topwrap{display:flex; justify-content:space-between; align-items:center; height:38px; flex-wrap:wrap; gap:6px}
.topbar a{color:#fff; font-weight:700}
.topbar .tp{font-weight:600}

/* 导航 */
header.site{position:sticky; top:0; background:rgba(255,255,255,.95); backdrop-filter:blur(8px); border-bottom:1px solid var(--line); z-index:50}
.nav{display:flex; align-items:center; justify-content:space-between; height:66px}
.logo{display:flex; align-items:center; gap:9px; font-weight:900; letter-spacing:1.5px; font-size:23px}
.logo-ico{flex:none; filter:drop-shadow(0 2px 6px rgba(11,102,195,.35))}
.logo-txt{color:var(--brand-ink); position:relative}
.logo-txt::after{content:""; position:absolute; left:0; bottom:-3px; width:100%; height:2.5px; border-radius:2px; background:linear-gradient(90deg,var(--brand),var(--gold))}
.navul{display:flex; gap:24px; list-style:none; margin:0; padding:0; align-items:center}
.navul a{font-weight:600; font-size:15px; color:#222; padding:6px 0; position:relative}
.navul a:hover,.navul a.active{color:var(--brand)}
.navul a.active::after{content:""; position:absolute; left:0; right:0; bottom:-4px; height:3px; background:var(--brand); border-radius:3px}
.nav-lang{font-weight:800; font-size:13px; border:1.5px solid var(--brand); color:var(--brand); border-radius:999px; padding:3px 12px; letter-spacing:.06em}
.nav-lang:hover{background:var(--brand); color:#fff}
.menu-btn{display:none; background:none; border:none; font-size:24px; cursor:pointer; color:var(--brand)}

/* 按钮 */
.btn{display:inline-block; background:var(--ink); color:#fff; padding:13px 28px; border-radius:999px; font-weight:700; font-size:16px; transition:.2s; letter-spacing:.02em}
.btn:hover{opacity:.92}
.btn.brand{background:var(--brand); color:#fff}
.btn.brand:hover{background:var(--brand-ink)}
.btn.gold{background:var(--gold); color:#fff}
.btn.gold:hover{background:#e65100}

section.block{padding:64px 0}
.section-title{font-size:clamp(23px,3vw,34px); font-weight:800; margin:0 0 10px; position:relative; padding-left:16px; letter-spacing:.02em; color:var(--ink)}
.section-title::before{content:""; position:absolute; left:0; top:7px; bottom:7px; width:5px; background:linear-gradient(180deg,var(--brand),var(--gold)); border-radius:3px}
.section-sub{color:var(--muted); margin:0 0 30px; font-size:16px}

/* 详情富文本：内嵌图片按小图展示，最大 560px（不要太大影响阅读） */
.rich img{max-width:min(560px,100%); width:auto; height:auto; margin:14px auto; border-radius:8px; display:block}
.rich figure,.rich p:has(>img){margin:14px 0}

/* 产品/案例详情主图：方形 4:3，最大 480px，水平居中不撑满 */
.detail-hero img,.product-hero img,.case-hero img{max-width:min(480px,100%); width:auto; height:auto; margin:0 auto 18px; aspect-ratio:4/3; object-fit:contain; background:var(--paper-2); padding:12px; border-radius:12px; display:block}

/* 文章详情正文里嵌入的产品图/案例图：480px 小图 */
.detail-body img,.article-body img{max-width:min(480px,100%); height:auto; margin:14px auto; display:block; border-radius:8px}

/* 英文版联系页：名片展示 */
.bcard-wrap{text-align:center; margin:0 0 26px}
.bcard{display:inline-block; max-width:640px; width:100%; height:auto; border-radius:10px; box-shadow:0 8px 28px rgba(0,0,0,.14); border:1px solid #eee}

/* Hero（首页 Banner）：三套文案 + 三张背景图由 main.js 自动轮播（6 秒一切，悬停暂停）
   高度由 :root 的 --hero-min-h 统一调整；背景图在 assets/img/hero-1|2|3.jpg
   可读性方案：背景图不透明度 .62 + 左深右浅暗色遮罩 + 文字投影
   想让图更明显：调大 .hero-bg i.is-on 的 .62；想更素：调小 */
.hero{padding:0; min-height:var(--hero-min-h); display:flex; align-items:center; position:relative; overflow:hidden;
  background:linear-gradient(135deg,#063a6b,#0b66c3 55%,#2f8fd6)}
/* 二级栏目页 Banner（非首页）：固定 300px，背景图 + 暗色遮罩 + 面包屑
   背景图默认复用首页三张 hero 图，换成专属图只需改调用处传入的图片名 */
.pagebanner{position:relative; min-height:var(--pagebanner-h); display:flex; align-items:center; overflow:hidden;
  background:#08325c; background-size:cover; background-position:center; background-repeat:no-repeat}
.pagebanner::before{content:''; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(90deg, rgba(6,26,48,.90) 0%, rgba(6,26,48,.72) 48%, rgba(6,26,48,.44) 100%)}
.pagebanner .wrap{position:relative; z-index:1; padding-top:42px; padding-bottom:42px; width:100%}
.pagebanner h1{margin:0 0 10px; font-size:clamp(24px,3.2vw,34px); font-weight:900; letter-spacing:.02em; color:#fff;
  text-shadow:0 2px 20px rgba(6,26,48,.85), 0 1px 3px rgba(6,26,48,.9)}
.pagebanner p{color:#dbe9f7; font-size:16px; line-height:1.8; margin:0 0 14px; max-width:840px;
  text-shadow:0 1px 12px rgba(6,26,48,.8)}
.pagebanner .breadcrumb{color:rgba(255,255,255,.85); font-size:13px; padding:0 0 10px}
.pagebanner .breadcrumb a{color:#cfe4f7}
.pagebanner .breadcrumb .sep{opacity:.6}
@media(max-width:760px){ .pagebanner{min-height:210px} .pagebanner .wrap{padding-top:30px; padding-bottom:30px} }

/* 内页 hero（方案详情 / 城市分站）：无轮播、无大图，用较小高度与内边距 */
.hero:not(#heroSlider){min-height:var(--hero-min-h-sm)}
.hero:not(#heroSlider) .wrap{padding-top:52px; padding-bottom:56px}
/* 文字可读性遮罩：位于背景图之上、文案之下（文案 .wrap 为 z-index:1）。
   左深右浅，因为 banner 文案是左对齐的，保证标题区域对比度最高 */
.hero::after{content:''; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(90deg, rgba(6,26,48,.86) 0%, rgba(6,26,48,.64) 42%, rgba(6,26,48,.34) 74%, rgba(6,26,48,.22) 100%)}
.hero-bg{position:absolute; inset:0; pointer-events:none}
/* 背景图由 main.js 切 .is-on 控制淡入淡出（不再用 CSS animation 定时轮播） */
.hero-bg i{position:absolute; inset:0; background-size:cover; background-position:center; background-repeat:no-repeat;
  opacity:0; transition:opacity 1.1s ease}
.hero-bg i.is-on{opacity:.62}
.hero-bg .b1{background-image:url('/assets/img/hero-1.jpg')}
.hero-bg .b2{background-image:url('/assets/img/hero-2.jpg')}
.hero-bg .b3{background-image:url('/assets/img/hero-3.jpg')}
/* 三套文案层叠在同一格，靠透明度切换，容器高度自动取最高那套，切换时不会跳动 */
.hero .wrap{position:relative; z-index:1; padding-top:64px; padding-bottom:86px; width:100%}
.hero-slides{display:grid; width:100%}
.hero-slide{grid-area:1/1; opacity:0; visibility:hidden; transform:translateY(22px);
  transition:opacity .85s ease, transform .85s cubic-bezier(.22,.9,.3,1), visibility .85s}
.hero-slide.is-on{opacity:1; visibility:visible; transform:none}
.hero h1{font-size:clamp(28px,4.6vw,52px); line-height:1.18; margin:0 0 18px; font-weight:900; letter-spacing:.03em; color:#fff; text-shadow:0 3px 26px rgba(6,26,48,.9), 0 1px 3px rgba(6,26,48,.95)}
.hero p{font-size:18px; color:#e6f1fb; max-width:880px; margin:0 0 26px; line-height:1.9; text-shadow:0 2px 16px rgba(6,26,48,.9), 0 1px 2px rgba(6,26,48,.85)}
.hero-btns{display:flex; gap:12px; flex-wrap:wrap}
/* 底部指示条 */
.hero-dots{position:absolute; left:0; right:0; bottom:24px; z-index:2; display:flex; gap:10px; justify-content:center}
.hero-dot{width:34px; height:5px; padding:0; border:0; border-radius:999px; cursor:pointer;
  background:rgba(255,255,255,.36); transition:background .3s, width .3s}
.hero-dot:hover{background:rgba(255,255,255,.62)}
.hero-dot.is-on{background:var(--brand-2); width:54px}
@media(prefers-reduced-motion:reduce){
  .hero-slide,.hero-bg i{transition:none}
  .hero-bg i.is-on{opacity:.62}
}
.badges{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:28px}
.badge{background:rgba(255,255,255,.94); border:1px solid var(--line); padding:9px 16px; border-radius:999px; font-weight:700; font-size:14px; box-shadow:0 2px 8px rgba(0,0,0,.06); color:var(--ink)}
.badge.hot{background:var(--gold); color:#fff; border-color:var(--gold)}

/* 网格与卡片 */
.grid{display:grid; gap:22px}
.products{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.cols4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
/* 固定三列（桌面）：产品中心 / 解决方案 / 核心优势 / 企业文化 等均按 3 个一行 */
.cols3{grid-template-columns:repeat(3,1fr)}
.cols2{grid-template-columns:repeat(auto-fit,minmax(420px,1fr))}
/* 案例展示：每行 2 个 */
.grid.cases{grid-template-columns:repeat(2,1fr)}
/* 案例卡（每行 2 个）：图片收紧，避免单张占满屏 */
.grid.cases .casecard img{aspect-ratio:16/9; max-height:280px}
/* 纯文字面板小图标 */
.panel .pico{width:40px; height:40px; border-radius:11px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--brand-soft),#dff0f7); color:var(--brand); margin-bottom:12px; flex:none}
.panel .pico svg{width:22px; height:22px; display:block}
.panel h3{display:flex; align-items:center; gap:9px}
.panel h3 .pico-inline{width:26px; height:26px; border-radius:8px; display:inline-flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--brand-soft),#dff0f7); color:var(--brand); flex:none}
.panel h3 .pico-inline svg{width:16px; height:16px; display:block}
/* 平板：三列改两列 */
@media(max-width:1080px){
  .grid.cols3{grid-template-columns:repeat(2,1fr)}
  .grid.cases{grid-template-columns:repeat(2,1fr)}
}
.panel{border:1px solid var(--line); border-radius:var(--radius); padding:22px; background:#fff; transition:.2s}
.panel:hover{box-shadow:0 10px 30px rgba(11,102,195,.10); transform:translateY(-2px)}
.panel h3{margin:0 0 8px; font-size:17px; font-weight:700; letter-spacing:.01em}
.panel p{margin:0; color:var(--muted); line-height:1.8}
.card{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:#fff; transition:.2s; min-width:0}
.card:hover{box-shadow:0 10px 30px rgba(11,102,195,.10); transform:translateY(-2px)}
/* 图片完整显示：object-fit:contain 不裁切，底色留白保证观感统一 */
.card img{aspect-ratio:4/3; object-fit:contain; width:100%; background:var(--paper-2); padding:10px}
.card .body{padding:16px; min-width:0}
.card h3{margin:0 0 6px; font-size:16px; font-weight:700; line-height:1.45; overflow-wrap:break-word; word-break:break-word}
.card .moq{color:var(--brand-ink); font-weight:700; font-size:14px; overflow-wrap:break-word}

/* 横版大气产品卡（首页/产品中心，每行 2 个，统一等高） */
.card-wide{display:flex; gap:0; overflow:hidden; min-height:232px; height:100%; min-width:0}
.card-wide .wimg{flex:0 0 42%; background:var(--paper-2)}
.card-wide .wimg img{width:100%; height:100%; aspect-ratio:auto; object-fit:contain; padding:14px; background:var(--paper-2)}
.card-wide .wbody{flex:1 1 0; min-width:0; padding:26px 28px; display:flex; flex-direction:column; justify-content:center}
.card-wide h3{font-size:22px; margin:0 0 10px; color:var(--brand-ink); letter-spacing:.02em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-weight:800}
.card-wide .wdesc{color:var(--muted); font-size:15px; margin:0 0 14px; line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; min-height:52px}
.card-wide .wspecs{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:14px; min-height:32px}
.card-wide .wspecs span{background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:5px 12px; font-size:13px; color:var(--muted); white-space:normal; overflow-wrap:break-word}
.card-wide .wspecs b{color:var(--brand-ink)}
.card-wide .wmore{color:var(--brand); font-weight:800; font-size:14px; margin-top:auto}
@media(max-width:900px){.card-wide{flex-direction:column; min-height:0}.card-wide .wimg{flex:none}.card-wide .wimg img{aspect-ratio:4/3; object-fit:contain}.card-wide .wdesc{min-height:0}}

/* 场景/案例卡：图片完整显示不裁切 */
.scenecard img,.casecard img{border-radius:12px; aspect-ratio:16/10; object-fit:contain; margin-bottom:12px; background:var(--paper-2); padding:8px}
.scenecard span,.casecard span{color:var(--brand); font-weight:700; font-size:14px}
.scenes .panel{display:block}

/* 两栏 */
.two{grid-template-columns:1fr 1fr; align-items:start}
.center{text-align:center; margin-top:26px}

/* 流程 */
.steps .step-n{width:36px; height:36px; border-radius:50%; background:linear-gradient(135deg,var(--brand),var(--gold)); color:#fff; font-weight:800; display:flex; align-items:center; justify-content:center; margin-bottom:10px}

/* 数据卡 */
.stats-cards{display:grid; gap:16px; grid-template-columns:repeat(2,1fr)}
.stat .big{font-size:34px; font-weight:900; color:var(--brand-ink)}

/* 规格表 */
table.specs{width:100%; border-collapse:collapse; margin:14px 0 18px}
table.specs td{border-bottom:1px solid var(--line); padding:10px 4px; font-size:15px}
table.specs td:first-child{color:var(--muted); width:42%}
.tags{display:flex; flex-wrap:wrap; gap:10px}
.tag{background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:7px 16px; font-weight:600}

/* 面包屑 */
.breadcrumb{font-size:13px; color:var(--muted); padding:18px 0 0; display:flex; align-items:center; flex-wrap:wrap; gap:4px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#bbb; margin:0 4px}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line); padding:15px 0}
.faq-item h4{margin:0 0 6px; color:var(--brand-ink); font-size:16.5px; font-weight:700; display:flex; align-items:flex-start; gap:9px}
.faq-item h4 .pico-inline{width:24px; height:24px; margin-top:1px; border-radius:50%}
.faq-item h4 .pico-inline svg{width:15px; height:15px}
.faq-item p{line-height:1.85}

/* 表单 */
form.inquiry{display:grid; gap:14px; max-width:640px}
form.inquiry label{font-weight:600; font-size:14px}
form.inquiry input,form.inquiry textarea,form.inquiry select{width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px; font:inherit; background:#fff}
form.inquiry .row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.ok{background:#fff3e0; border:1px solid #ffd8a8; color:#b25e00; padding:12px 14px; border-radius:10px; font-weight:600}
.contact-info{align-self:start}
.contact-info p{margin:8px 0}
.contact-info a{color:var(--brand); font-weight:700}

/* 联系页大电话（无表单） */
.contact-big{background:#fff; border:1px solid var(--line); border-radius:16px; padding:28px; margin:10px 0 18px}
.cbig-item{text-align:center; padding:10px 0 18px; border-bottom:1px dashed var(--line); margin-bottom:18px}
.cbig-item>span{color:var(--muted); font-size:15px}
.cbig-phone{display:block; font-size:clamp(30px,5vw,46px); font-weight:900; color:var(--brand); margin:8px 0 6px; letter-spacing:1px}
.cbig-phone:hover{color:var(--brand-ink)}
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.contact-grid .panel{margin:0; padding:16px}
.contact-grid h3{margin:0 0 6px; font-size:16px}
.contact-grid p{margin:0; color:var(--muted)}
.contact-tip{background:var(--paper); border:1px solid var(--line); border-radius:12px; padding:16px 18px; color:var(--muted); margin-top:6px}

/* 产品页电话条 */
.ptel{display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin-top:16px}
.ptel>span{font-weight:700; color:var(--brand-ink)}

/* 参数分组 */
.param-group{margin:22px 0 8px; color:var(--brand-ink); font-size:17px}
table.specs{margin:6px 0 10px}
table.specs tr:nth-child(odd){background:var(--paper)}

/* FAQ 聚合页 */
.faq-cta{background:#fff; border:1px solid var(--line); border-radius:12px; padding:18px 20px; margin-top:22px; text-align:center}
.faq-cta b{color:var(--brand-ink)}
.faq-cta a{color:var(--brand); font-weight:800; font-size:18px}
.faq-filter{display:flex; align-items:flex-start; gap:12px; background:var(--paper); border:1px solid var(--line); border-radius:12px; padding:16px 18px; margin-bottom:8px; flex-wrap:wrap}
.faq-flabel{font-weight:700; color:var(--brand-ink); white-space:nowrap; padding-top:4px}
.faq-flinks{display:flex; flex-wrap:wrap; gap:8px}
.faq-flinks a{display:inline-block; background:#fff; border:1px solid var(--line); border-radius:999px; padding:6px 16px; font-size:14px; font-weight:600; transition:.15s}
.faq-flinks a:hover{border-color:var(--brand); color:var(--brand)}
.faq-flinks a.on{background:var(--brand); border-color:var(--brand); color:#fff}
.faq-count{color:var(--muted); font-size:14px; margin:10px 0 4px}

/* 多图相册 */
.gal{display:flex; flex-direction:column; gap:12px}
.gal-main{border:1px solid var(--line); border-radius:14px; overflow:hidden; background:var(--paper-2); text-align:center}
/* 产品详情页图片：小图展示——按原始尺寸显示不放大，最大宽度 800px，窄屏自动收缩 */
.gal-main img{display:inline-block; width:auto; max-width:min(800px,100%); height:auto; object-fit:contain; padding:12px; background:var(--paper-2)}
.gal-thumbs{display:flex; gap:10px; flex-wrap:wrap}
.gal-thumb{border:1px solid var(--line); border-radius:8px; overflow:hidden; padding:0; background:#fff; cursor:pointer; width:76px; height:58px; transition:.15s}
.gal-thumb img{width:100%; height:100%; object-fit:contain; display:block; background:var(--paper-2); padding:3px}
.gal-thumb:hover{border-color:var(--brand)}
.gal-thumb.on{border-color:var(--brand); box-shadow:0 0 0 2px var(--brand-soft)}

/* 后台多图选择 */
.galpick{display:flex; flex-wrap:wrap; gap:10px; margin-top:8px}
.galpick .cb{width:auto; padding:6px 10px; margin:0}

/* 页脚 SEO 链接 */
.fseo{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
.fseo a{display:inline-block; background:rgba(255,255,255,.06); border:1px solid var(--line); border-radius:999px; padding:7px 14px; font-size:13px; color:#cfc6b8}
.fseo a:hover{color:var(--gold); border-color:var(--gold)}
.fphone{color:var(--gold) !important; font-weight:800; font-size:16px}
.fcopy a{color:#9a9082; text-decoration:underline}
.fcopy a:hover{color:var(--gold)}

/* 移动端浮动电话按钮 */
.float-tel{position:fixed; right:16px; bottom:16px; z-index:999; background:var(--brand); color:#fff !important; font-weight:800; padding:14px 20px; border-radius:999px; box-shadow:0 6px 18px rgba(10,79,150,.4); display:flex; align-items:center; gap:8px; font-size:15px}
.float-tel:hover{background:var(--brand-ink)}
@media(min-width:761px){.float-tel{display:none}}

/* CTA 板块 */
.cta{background:linear-gradient(180deg,var(--paper),#ffffff); text-align:center}
.cta .section-title{font-size:clamp(22px,3vw,34px)}

/* 城市分站 */
.prov .provcard{display:flex; flex-direction:column; gap:6px}
.provcard span{color:var(--brand); font-weight:700; font-size:14px}
.citygrid .citycard{display:block; text-align:center; font-weight:700}
.cityrow{display:flex; flex-wrap:wrap; gap:10px}
.chip{background:#fff; border:1px solid var(--line); border-radius:999px; padding:8px 16px; font-weight:600}
.chip:hover{border-color:var(--brand); color:var(--brand)}
.cityhero{background:linear-gradient(180deg,var(--paper),#ffffff)}
.cityhero h1{font-size:clamp(24px,3.5vw,40px); font-weight:900; margin:0 0 16px; color:var(--brand-ink); text-shadow:none}
.cityhero p{max-width:760px; color:var(--muted); margin:0 0 22px; text-shadow:none}
.cityhero .hero-bg{display:none}
/* 城市分站是浅底深字，不能套首页 hero 的暗色遮罩，否则文字看不清 */
.cityhero::after{display:none}

/* 文章 */
.bloglist{display:grid; gap:18px}
.post{border:1px solid var(--line); border-radius:var(--radius); padding:20px; transition:.2s}
.post:hover{box-shadow:0 8px 24px rgba(11,102,195,.09)}
.post h3{margin:0 0 8px}
.post .meta{color:var(--muted); font-size:13px; margin-bottom:8px}

/* 页脚 */
footer.site{border-top:3px solid var(--brand); padding:34px 0 30px; color:var(--muted); font-size:14px; background:var(--paper)}
.fwrap{display:flex; flex-wrap:wrap; align-items:flex-start; gap:28px; justify-content:space-between}
.fbrand b{font-size:19px; color:var(--ink); font-weight:900}
.fbrand b span{color:var(--brand)}
.fbrand .fco{color:var(--muted); font-size:13px; display:block; margin-top:2px}
.fbrand .fdesc{margin-top:10px; max-width:300px}
.flinks h4,.fcontact h4,.fsub h4{color:var(--ink); font-size:15px; margin:0 0 10px}
.flinks a{display:block; color:var(--muted); margin:6px 0}
.flinks a:hover{color:var(--brand)}
.fcontact p{margin:6px 0}
.fcontact a{color:var(--brand); font-weight:700}
.fcities{display:flex; flex-wrap:wrap; gap:6px 12px; max-width:280px}
.fcities a{color:var(--muted)}
.fcities a:hover{color:var(--brand)}
.fcopy{flex-basis:100%; text-align:center; border-top:1px solid var(--line); padding-top:16px; margin-top:10px; color:#9a9082}
/* 工信部 ICP 备案号（监管要求必须可点击到备案查询系统） */
.fcopy .beian-link{display:inline-block;padding:2px 10px;border:1px solid var(--line);border-radius:5px;color:#7b8a99;background:#f5f8fa;text-decoration:none;font-weight:600;letter-spacing:.02em}
.fcopy .beian-link:hover{color:var(--brand);border-color:var(--brand);background:#eef5fd}

/* 认证/资质 */
.cert-row{display:flex; flex-wrap:wrap; gap:12px; margin:8px 0 6px}
.cert-row span{background:var(--brand-ink); color:#fff; padding:9px 18px; border-radius:999px; font-weight:700; font-size:14px}

@media(max-width:760px){
  .menu-btn{display:block}
  .navul{display:none; position:absolute; top:66px; left:0; right:0; background:#fff; flex-direction:column; gap:0; padding:10px 20px; border-bottom:1px solid var(--line)}
  .navul.open{display:flex}
  .navul li{padding:10px 0; border-bottom:1px solid var(--line)}
  .head-cta{display:none}
  .two{grid-template-columns:1fr}
  .grid.cols4{grid-template-columns:1fr 1fr}
  .grid.cols3{grid-template-columns:1fr}
  .grid.cases{grid-template-columns:1fr}
  /* 宽卡（产品列表）手机端改竖向，否则 minmax(420px) 会撑出横向溢出 */
  .grid.cols2{grid-template-columns:1fr}
  .card-wide{flex-direction:column; min-height:0}
  .card-wide .wimg{flex:none}
  .card-wide .wimg img{aspect-ratio:4/3; height:auto; padding:10px}
  .card-wide .wbody{padding:14px 16px}
  .card-wide h3{font-size:17px; white-space:normal; overflow:visible}
  .card-wide .wdesc{font-size:14px}
  .grid.cases .casecard img{max-height:none}
  form.inquiry .row{grid-template-columns:1fr}
  .stats-cards{grid-template-columns:1fr 1fr}
  /* —— 手机端卡片紧凑化 —— */
  .grid{gap:12px}
  section.block{padding:42px 0}
  /* —— 手机端 Banner 紧凑化：控制总高度，避免占掉整屏 —— */
  .hero{min-height:0}
  .hero .wrap{padding-top:34px; padding-bottom:64px}
  .hero h1{font-size:25px; margin-bottom:12px}
  .hero p{font-size:15px; line-height:1.75; margin-bottom:18px}
  .hero .badges{gap:8px; margin-bottom:20px}
  .hero .badge{padding:6px 12px; font-size:12px; box-shadow:none}
  .hero-btns{gap:10px}
  .hero-btns .btn{padding:10px 20px; font-size:14px}
  .hero:not(#heroSlider) .wrap{padding-top:34px; padding-bottom:38px}
  .hero-dots{bottom:16px}
  .hero-dot{width:26px; height:4px}
  .hero-dot.is-on{width:40px}
  .products{grid-template-columns:1fr 1fr; gap:10px}
  .products .card h3{font-size:15px; line-height:1.4}
  .card .body{padding:10px 12px}
  .card .moq{font-size:12px}
  .products .card img{aspect-ratio:1/1; object-fit:contain}
  .grid.cols4 .card h3{font-size:14px}
  .grid.cols4 .card .body{padding:9px 11px}
  .scenecard span,.casecard span{font-size:12px}
  .panel{padding:16px 14px}
  .card-wide .wbody{padding:16px 14px}
  .card-wide h3{font-size:19px; white-space:normal}
  .card-wide .wdesc{min-height:0; -webkit-line-clamp:2}
  .card-wide .wspecs{gap:6px; margin-bottom:10px}
  .card-wide .wspecs span{font-size:12px; padding:4px 9px}
  .section-title{font-size:22px; padding-left:12px}
  .topwrap{font-size:12px; height:auto; padding:6px 0}
  .topbar .wrap{padding:0 14px}
  .cta{padding:40px 0}
}

/* ===== 方案详情：动态拓扑框（替换原蓝色 hero）===== */
.topo{position:relative;border-radius:18px;overflow:hidden;background:var(--paper);border:1px solid var(--line);box-shadow:0 12px 34px rgba(20,40,80,.10);margin:14px 0 0}
.topo .topo-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;pointer-events:none;z-index:0}
.topo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(245,248,252,.32),rgba(245,248,252,.54));pointer-events:none;z-index:1}
.topo-fs{position:absolute;top:12px;right:14px;z-index:6;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line);background:rgba(255,255,255,.9);border-radius:999px;font-size:13px;color:var(--ink);cursor:pointer;transition:.2s}
.topo-fs:hover{background:#fff;border-color:var(--brand)}
.topo-fs .tn-ico{color:var(--brand)}
.topo-head{position:relative;z-index:3;padding:16px 22px 2px;text-align:center}
.topo-title{font-size:clamp(20px,2.8vw,30px);margin:0 0 6px;color:var(--ink);font-weight:800}
.topo-desc{margin:0 auto;max-width:780px;color:var(--muted);font-size:14.5px;line-height:1.72}
.topo-stage{position:relative;z-index:3;padding:6px;height:calc(100vh - 230px);min-height:320px;overflow:hidden}
.topo-svg{width:100%;height:100%;max-width:1180px;display:block;touch-action:none;-webkit-user-select:none;user-select:none}

/* 节点 */
.topo-node{cursor:grab;color:var(--brand)}
.topo-node:active{cursor:grabbing}
.tn-box{fill:rgba(255,255,255,.94);stroke:var(--brand);stroke-width:1.6;filter:drop-shadow(0 6px 14px rgba(20,40,80,.14))}
.topo-cloud{color:#0b66c3}
.topo-cloud .tn-box{stroke:#0b66c3}
.topo-gw{color:#0b7f72}
.topo-gw .tn-box{stroke:#12a594}
.tn-label{font-size:16px;font-weight:700;fill:var(--ink)}
.tn-sub{font-size:13px;fill:var(--muted)}
.tn-ico{opacity:.92}
.topo-prod .tn-picbg{fill:#fff;stroke:var(--line);stroke-width:1;transition:.2s}
.topo-prod .tn-img{border-radius:8px}
.tn-plabel{font-size:14px;fill:var(--ink);font-weight:600}
.topo-prod:hover .tn-picbg{stroke:var(--brand);filter:drop-shadow(0 4px 10px rgba(11,102,195,.22))}
.topo-prod:hover .tn-plabel{fill:var(--brand)}
.topo-prod{cursor:pointer}

/* 连线 + 信号流光（自下而上） */
.topo-line-base{stroke:rgba(11,102,195,.28);stroke-width:1.5;fill:none}
.topo-line-flow{stroke:#0b8fd0;stroke-width:2;fill:none;stroke-dasharray:5 12;stroke-linecap:round;animation:topoflow 1.05s linear infinite;filter:drop-shadow(0 0 4px rgba(11,102,195,.55))}
@keyframes topoflow{from{stroke-dashoffset:0}to{stroke-dashoffset:-17}}

/* 云↔网关 主干连线：粗线绿色（与通信控制系统主题色一致），产品已绕开此竖向区域 */
.topo-line-base[data-id="cg"]{stroke:#12a594;stroke-width:4;opacity:.9}
.topo-line-flow[data-id="cg"]{stroke:#0c9c87;stroke-width:4;stroke-dasharray:7 16;stroke-linecap:round;animation:topoflow 1.1s linear infinite;filter:drop-shadow(0 0 5px rgba(18,165,148,.5))}

/* 全屏态：占满视口，SVG 按原始比例铺满宽度，纵向可滚动（web 优先、字号清晰） */
.topo.is-fs{position:fixed;inset:0;width:100%;height:100%;z-index:9999;border-radius:0;margin:0;display:flex;flex-direction:column;background:var(--paper);overflow:hidden}
.topo.is-fs .topo-bg{opacity:.42}
.topo.is-fs .topo-head{flex:0 0 auto;padding:12px 20px 0}
.topo.is-fs .topo-stage{position:relative;flex:1 1 auto;min-height:0;min-width:0;padding:10px;overflow:hidden}
.topo.is-fs .topo-svg{width:100%;height:100%;max-height:none;max-width:1180px;margin:0 auto}

@media(max-width:760px){
  .topo-head{padding:14px 12px 0}
  .topo-title{font-size:19px}
  .topo-desc{font-size:13px}
  .topo-fs{padding:5px 9px;font-size:12px}
}

/* ===== 发展方向页 ===== */
.dir-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:24px}
.dir-card{background:#fff;border-radius:14px;padding:28px 24px;box-shadow:0 1px 6px rgba(0,0,0,.07);transition:transform .25s ease,box-shadow .25s ease;border:1px solid rgba(11,102,195,.08)}
.dir-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(11,102,195,.13)}
.dir-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:linear-gradient(135deg,#e8f0fe,#d4e4fc)}
.dir-icon .pico{width:26px;height:26px;color:#0b66c3}
.dir-card h3{font-size:18px;font-weight:700;color:var(--ink);margin:0 0 10px}
.dir-desc{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 16px}
.dir-subs{display:flex;flex-wrap:wrap;gap:7px}
.dir-tag{display:inline-block;padding:4px 11px;font-size:12px;background:var(--paper);color:var(--muted);border-radius:20px;border:1px solid rgba(0,0,0,.08);font-weight:500}

/* 方向卡片图标主题色（每个方向微调） */
.dir-card:nth-child(1) .dir-icon{background:linear-gradient(135deg,#e8f5e9,#c8e6c9)}
.dir-card:nth-child(1) .dir-icon .pico{color:#2e7d32}
.dir-card:nth-child(2) .dir-icon{background:linear-gradient(135deg,#fff3e0,#ffe0b2)}
.dir-card:nth-child(2) .dir-icon .pico{color:#ef6c00}
.dir-card:nth-child(3) .dir-icon{background:linear-gradient(135deg,#e0f7fa,#b2ebf2)}
.dir-card:nth-child(3) .dir-icon .pico{color:#00838f}
.dir-card:nth-child(4) .dir-icon{background:linear-gradient(135deg,#f3e5f5,#e1bee7)}
.dir-card:nth-child(4) .dir-icon .pico{color:#7b1fa2}
.dir-card:nth-child(5) .dir-icon{background:linear-gradient(135deg,#e3f2fd,#bbdefb)}
.dir-card:nth-child(5) .dir-icon .pico{color:#1565c0}
.dir-card:nth-child(6) .dir-icon{background:linear-gradient(135deg,#fce4ec,#f8bbd0)}
.dir-card:nth-child(6) .dir-icon .pico{color:#c62828}
.dir-card:nth-child(7) .dir-icon{background:linear-gradient(135deg,#e8f0fe,#c5cae9)}
.dir-card:nth-child(7) .dir-icon .pico{color:#283593}
.dir-card:nth-child(8) .dir-icon{background:linear-gradient(135deg,#efebe9,#d7ccc8)}
.dir-card:nth-child(8) .dir-icon .pico{color:#5d4037}
.dir-card:nth-child(9) .dir-icon{background:linear-gradient(135deg,#e0f2f1,#b2dfdb)}
.dir-card:nth-child(9) .dir-icon .pico{color:#00695c}

@media(max-width:760px){
  .dir-grid{grid-template-columns:1fr;gap:16px}
  .dir-card{padding:20px 16px}
}

/* 案例时间标签 */
.case-period{display:inline-block;font-size:12.5px;color:#0b66c3;background:#eaf3fe;border-radius:4px;padding:2px 8px;margin-bottom:8px}

/* ===== 价格参考页 & 技术参数表「参考价格」行 ===== */
.price-note{background:#f1f7ff;border-left:4px solid #0b66c3;color:#33475b;padding:14px 18px;border-radius:8px;font-size:14.5px;line-height:1.75;margin:0 0 28px}
.price-table{width:100%;border-collapse:collapse;margin:0 0 34px;font-size:15px}
.price-table thead th{background:var(--paper,#f5f7fa);color:#1f2d3d;text-align:left;padding:12px 14px;border-bottom:2px solid #e3e8ef;font-weight:600;white-space:nowrap}
.price-table td{padding:12px 14px;border-bottom:1px solid #eef1f5;vertical-align:middle}
.price-table tr:hover td{background:#fafcff}
.price-table td.pr{color:#c0392b;font-weight:700;white-space:nowrap}
.price-table td a{color:#0b66c3;text-decoration:none}
.price-table td a:hover{text-decoration:underline}
@media(max-width:760px){
  .price-table{font-size:13.5px}
  .price-table thead th,.price-table td{padding:9px 8px}
}

/* ===== 方案详情：全屏场景轮播（播放按钮 → 其它方案场景全屏循环播放）===== */
.topo-play{position:absolute;top:12px;left:14px;z-index:6;display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border:1px solid var(--line);background:rgba(255,255,255,.92);border-radius:999px;font-size:13px;color:var(--ink);cursor:pointer;transition:.2s}
.topo-play:hover{background:#fff;border-color:#12a594;color:#0c7a6c}
.topo-play .tn-ico{color:#12a594}
.topo.is-fs .topo-play{top:16px;left:20px;padding:9px 18px;font-size:14.5px;box-shadow:0 6px 18px rgba(10,40,70,.16)}
body.scopen{overflow:hidden}
.sc-show{position:fixed;inset:0;z-index:100000;display:none;background:#061520}
.sc-show.is-on{display:block}
.sc-stage{position:absolute;inset:0;overflow:hidden}
.sc-slide{position:absolute;inset:0;display:block;text-decoration:none;opacity:0;transition:opacity .9s ease;z-index:1}
.sc-slide.is-on{opacity:1;z-index:2}
.sc-slide img{width:100%;height:100%;object-fit:cover;display:block}
.sc-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,20,38,.12) 0%,rgba(4,20,38,0) 32%,rgba(4,20,38,.55) 70%,rgba(4,20,38,.94) 100%)}
.sc-info{position:absolute;left:0;right:0;bottom:104px;z-index:3;padding:0 clamp(22px,6vw,88px);color:#fff;display:flex;flex-direction:column;align-items:flex-start;gap:8px;pointer-events:none}
.sc-info b{font-size:clamp(22px,3.4vw,46px);font-weight:800;letter-spacing:.5px;line-height:1.24;text-shadow:0 2px 20px rgba(0,0,0,.55)}
.sc-info i{font-style:normal;font-size:clamp(13px,1.4vw,18px);opacity:.88;max-width:660px;line-height:1.62;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.sc-info em{font-style:normal;margin-top:6px;padding:8px 18px;border:1px solid rgba(255,255,255,.55);border-radius:999px;font-size:14px;background:rgba(6,22,40,.28);pointer-events:auto}
.sc-info em:hover{background:rgba(255,255,255,.2)}
.sc-bar{position:absolute;left:0;right:0;bottom:0;z-index:6;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px clamp(16px,4vw,40px) 18px;background:linear-gradient(180deg,rgba(4,20,38,0),rgba(4,20,38,.78))}
.sc-b{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:40px;height:40px;padding:0 12px;border:1px solid rgba(255,255,255,.3);background:rgba(9,28,48,.55);color:#fff;border-radius:999px;font-size:14px;cursor:pointer;transition:.18s;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.sc-b:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.7)}
.sc-b.ic{font-size:24px;line-height:1;padding:0}
.sc-b.play{min-width:46px}
.sc-b.play i{display:block;width:0;height:0;margin-left:5px;border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}
.sc-b.play.is-pause i{width:14px;height:17px;margin:0;border:0;background:linear-gradient(90deg,#fff 0 4.5px,transparent 4.5px 9.5px,#fff 9.5px 14px)}
.sc-idx{font-variant-numeric:tabular-nums;font-size:14px;opacity:.92;min-width:50px}
.sc-name{font-size:15px;font-weight:600;opacity:.96}
.sc-gap{display:inline-flex;align-items:center;gap:8px;margin-left:auto;font-size:13px;color:rgba(255,255,255,.92)}
.sc-gap input[type=range]{width:130px;accent-color:#5ec8f2}
.sc-gap input[type=number]{width:66px;height:34px;border-radius:9px;border:1px solid rgba(255,255,255,.32);background:rgba(9,28,48,.6);color:#fff;text-align:center;font-size:13px}
.sc-gap em{font-style:normal}
.sc-close{margin-left:4px}
@media(max-width:760px){
  .sc-bar{gap:8px;padding:10px 12px 14px}
  .sc-name{display:none}
  .sc-gap{margin-left:0}
  .sc-gap input[type=range]{width:84px}
  .sc-info{bottom:92px}
}

/* ===== 智慧信息化页（/smart）：AI+水系统 软硬一体化 ===== */
/* 1) 能力总览数据条 */
.sm-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sm-stat{border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;background:#fff;transition:.22s}
.sm-stat:hover{box-shadow:0 10px 30px rgba(11,102,195,.10);transform:translateY(-3px);border-color:rgba(11,102,195,.3)}
.sm-n{font-size:38px;font-weight:900;line-height:1.1;color:var(--brand-ink);letter-spacing:-.5px}
.sm-n span{font-size:16px;font-weight:800;margin-left:3px;color:var(--brand)}
.sm-t{font-weight:700;font-size:16px;margin:8px 0 6px}
.sm-d{color:var(--muted);font-size:13.5px;line-height:1.7}
/* 2) 我们做什么 */
.sm-intro{align-items:center}
.sm-intro-fig{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 34px rgba(11,102,195,.13);background:var(--paper-2)}
.sm-intro-fig img{width:100%;aspect-ratio:16/10;object-fit:cover}
.sm-lead{margin:0 0 16px;line-height:1.95;color:var(--muted)}
.sm-lead strong{color:var(--brand-ink);font-weight:800}
.sm-lead-first{color:var(--ink);font-size:17px;font-weight:600;border-left:4px solid var(--brand);padding-left:16px;background:linear-gradient(90deg,rgba(11,102,195,.06),transparent 70%);padding-top:10px;padding-bottom:10px;border-radius:0 10px 10px 0}
/* 3) AI 六大能力卡 */
.sm-ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sm-ai-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:.24s;display:flex;flex-direction:column}
.sm-ai-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(11,102,195,.14);border-color:rgba(11,102,195,.28)}
.sm-ai-top{position:relative;height:172px;background:var(--paper-2);overflow:hidden}
.sm-ai-top img{width:100%;height:100%;object-fit:cover}
.sm-ai-badge{position:absolute;left:14px;top:14px;z-index:2;background:linear-gradient(135deg,var(--brand),var(--brand-ink));color:#fff;font-weight:800;font-size:14px;padding:6px 15px;border-radius:999px;letter-spacing:.03em;box-shadow:0 4px 12px rgba(11,102,195,.34)}
.sm-ai-desc{margin:18px 18px 12px;font-size:14.5px;line-height:1.85;color:var(--muted);flex:1}
.sm-list{list-style:none;margin:0;padding:0 18px 20px;display:flex;flex-direction:column;gap:7px}
.sm-list li{position:relative;padding-left:19px;font-size:13.5px;line-height:1.7;color:var(--ink)}
.sm-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--brand-2),var(--brand));transform:rotate(45deg)}
/* 4) 专项场景 Tab */
.sm-sol-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.sm-tab{border:1.5px solid var(--line);background:#fff;color:var(--muted);font-family:inherit;font-size:15px;font-weight:700;padding:11px 22px;border-radius:999px;cursor:pointer;transition:.2s}
.sm-tab:hover{border-color:var(--brand);color:var(--brand)}
.sm-tab.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(11,102,195,.28)}
.sm-sol-panels{min-height:200px}
.sm-sol-panel{display:none}
.sm-sol-panel.is-on{display:block}
.sm-sol-fig{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 34px rgba(11,102,195,.12)}
.sm-sol-fig img{width:100%;aspect-ratio:16/7;object-fit:cover;background:var(--paper-2)}
.sm-sol-body{padding:26px 4px 0}
.sm-sol-body h3{margin:0 0 10px;font-size:23px;font-weight:800;color:var(--brand-ink)}
.sm-sol-lead{margin:0 0 22px;color:var(--muted);line-height:1.9;padding:14px 18px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-2);border-radius:0 10px 10px 0}
.sm-sol-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.sm-sol-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:.2s}
.sm-sol-item:hover{border-color:rgba(11,102,195,.4);box-shadow:0 6px 20px rgba(11,102,195,.09)}
.sm-sol-item h4{margin:0 0 7px;font-size:16px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:8px}
.sm-sol-item h4::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);flex:none}
.sm-sol-item p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}
/* 5) 硬件卡 */
.sm-hw-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sm-hw-card{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.24s}
.sm-hw-card:hover{box-shadow:0 12px 34px rgba(11,102,195,.13);transform:translateY(-3px)}
.sm-hw-fig{background:var(--paper-2);display:flex;align-items:center;justify-content:center;min-height:230px}
.sm-hw-fig img{width:100%;height:100%;max-height:300px;object-fit:contain}
.sm-hw-body{padding:24px 24px 22px}
.sm-hw-body h3{margin:0 0 10px;font-size:19px;font-weight:800;color:var(--brand-ink)}
.sm-hw-body p{margin:0 0 14px;font-size:14.5px;line-height:1.85;color:var(--muted)}
.sm-tags{display:flex;flex-wrap:wrap;gap:7px}
.sm-tags span{font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand-ink);padding:5px 12px;border-radius:20px;border:1px solid rgba(11,102,195,.16)}
/* 6) 架构四层 */
.sm-arch{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.sm-arch-card{display:grid;grid-template-columns:auto minmax(0,1fr) 108px;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;transition:.22s}
.sm-arch-card:hover{box-shadow:0 10px 30px rgba(11,102,195,.1);border-color:rgba(11,102,195,.3)}
.sm-arch-no{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-ink));color:#fff;font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 5px 14px rgba(11,102,195,.3)}
.sm-arch-body h3{margin:0 0 8px;font-size:18px;font-weight:800;display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.sm-arch-body h3 span{font-size:12px;font-weight:600;color:var(--brand-2);letter-spacing:.08em;text-transform:uppercase}
.sm-arch-body p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}
.sm-arch-fig{border-radius:10px;overflow:hidden;background:var(--paper-2)}
.sm-arch-fig img{width:100%;aspect-ratio:1/1;object-fit:cover}
/* 7) 服务网格 */
.sm-svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sm-svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.22s;position:relative;overflow:hidden}
.sm-svc::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--brand),var(--brand-2));opacity:0;transition:.22s}
.sm-svc:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(11,102,195,.12)}
.sm-svc:hover::after{opacity:1}
.sm-svc-n{font-size:30px;font-weight:900;color:rgba(11,102,195,.16);line-height:1;margin-bottom:10px;letter-spacing:-1px}
.sm-svc h3{margin:0 0 9px;font-size:17px;font-weight:800}
.sm-svc p{margin:0;font-size:14.5px;line-height:1.85;color:var(--muted)}
/* 8) 为什么选我们 */
.sm-why h3{color:var(--brand-ink)}
@media(max-width:980px){
  .sm-stats,.sm-ai-grid,.sm-svc-grid,.sm-hw-grid,.sm-arch{grid-template-columns:1fr}
  .sm-arch-card{grid-template-columns:auto minmax(0,1fr)}
  .sm-arch-fig{display:none}
  .sm-hw-card{grid-template-columns:1fr}
  .sm-hw-fig{min-height:180px;max-height:200px}
  .sm-intro{grid-template-columns:1fr}
}
@media(max-width:620px){
  .sm-n{font-size:32px}
  .sm-tab{font-size:13.5px;padding:9px 16px}
  .sm-sol-fig img{aspect-ratio:16/9}
}