/* 麦盟科技官网 - 自主开发的站点样式 */
:root{
  --primary:#3b5bdb; --primary-2:#4a6cf7; --purple:#7048e8; --cyan:#22b8cf;
  --ink:#18233f; --ink-2:#3d4a68; --muted:#71809e; --line:#e6ecf7;
  --bg:#ffffff; --bg-soft:#f5f8fe; --dark:#0c1531;
  --grad:linear-gradient(120deg,#3b5bdb 0%,#5a58e8 55%,#8b5cf6 100%);
  --shadow:0 12px 34px rgba(27,49,110,.09); --shadow-lg:0 22px 60px rgba(24,44,105,.16);
  --radius:16px;
}
*{box-sizing:border-box}
/* hidden 属性必须优先于组件自身的 display 声明（灯箱、弹窗、折叠视频都依赖它） */
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink-2);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0;font-weight:700}
p{margin:0}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.container.narrow{max-width:820px}
.center{text-align:center}

/* 图标（纯 CSS，无外部图标库依赖） */
.ico{display:inline-flex;width:1.1em;height:1.1em;align-items:center;justify-content:center;font-style:normal;font-size:1em;line-height:1;flex:none}
.ico::before{display:block;font-weight:400}
.ico-phone::before{content:'☎'} .ico-mail::before{content:'✉'} .ico-pin::before{content:'⌖'}
.ico-wechat::before{content:'✆'} .ico-edit::before{content:'✎'} .ico-up::before{content:'↑'}
.ico-check::before{content:'✓'} .ico-search::before{content:'⌕'}
.ico-app::before{content:'▣'} .ico-mini::before{content:'◈'} .ico-web::before{content:'▤'}
.ico-device::before{content:'▦'} .ico-flow::before{content:'⇄'} .ico-gear::before{content:'⚙'}
.ico-service::before{content:'♙'} .ico-shield::before{content:'⛨'} .ico-code::before{content:'⌘'}
.ico-building::before{content:'▥'} .ico-clock::before{content:'◷'}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:10px;border:1px solid transparent;font-weight:600;font-size:14px;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(59,91,219,.26)}
.btn-primary:hover{box-shadow:0 14px 30px rgba(59,91,219,.38)}
.btn-outline{border-color:#cfd9ee;color:var(--primary);background:#fff}
.btn-outline:hover{border-color:var(--primary);background:#f4f7ff}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-light{background:#fff;color:var(--primary)}
.btn-lg{padding:14px 28px;font-size:15px;border-radius:12px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn span{font-size:1.1em}

/* 顶部条 & 导航 */
.topbar{background:#101a3a;color:#b9c6e6;font-size:12.5px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:16px}
.topbar i{margin-right:6px;color:#8fa6ff}
.topbar strong{color:#fff;font-weight:600}
.topbar-right{display:flex;gap:22px;align-items:center}
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 22px rgba(20,40,90,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-mark svg{width:42px;height:42px;display:block;filter:drop-shadow(0 6px 12px rgba(59,91,219,.25))}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:19px;color:var(--ink);letter-spacing:.5px}
.brand-text small{font-size:9px;letter-spacing:1.6px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav>a{padding:9px 15px;font-size:14.5px;color:var(--ink-2);border-radius:8px;font-weight:500}
.main-nav>a:hover{color:var(--primary);background:#f2f5ff}
.main-nav>a.active{color:var(--primary);font-weight:700}
.main-nav>a.active::after{content:'';display:block;height:2px;width:18px;background:var(--grad);margin:4px auto 0;border-radius:2px}
.main-nav .nav-cta{background:var(--grad);color:#fff;margin-left:10px;padding:10px 18px;box-shadow:0 8px 18px rgba(59,91,219,.22)}
.main-nav .nav-cta:hover{color:#fff;background:linear-gradient(120deg,#3450c4,#6a3dd6)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 侧边工具条 */
.side-tools{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:55;display:flex;flex-direction:column;gap:1px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.side-tool{display:flex;flex-direction:column;align-items:center;gap:3px;width:64px;padding:11px 4px;border:0;background:#fff;color:var(--muted);font-size:11px;line-height:1.4}
.side-tool i{font-size:19px;color:var(--primary)}
.side-tool:hover{background:#f3f6ff;color:var(--primary)}
.side-tool+.side-tool{border-top:1px solid var(--line)}
.wechat-pop{position:fixed;right:92px;top:50%;transform:translateY(-50%);z-index:70;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:24px;width:250px;text-align:center}
.wechat-pop-inner strong{font-size:14px;color:var(--ink)}
.wechat-pop-inner p{margin:12px 0 4px;color:var(--muted);font-size:12px}
.wechat-pop-inner code{display:block;background:var(--bg-soft);padding:9px;border-radius:8px;color:var(--primary);font-size:16px;font-weight:700;margin-bottom:12px}
.wechat-close{position:absolute;right:8px;top:4px;border:0;background:none;font-size:22px;color:var(--muted)}

/* 区块通用 */
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{margin-bottom:40px}
.section-head.center{text-align:center}
.section-head h2{font-size:34px;margin:8px 0 10px}
.section-head p{color:var(--muted);font-size:15px}
.section-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--primary);text-transform:uppercase}
.eyebrow.light{color:#a9bcff}
.center-more{text-align:center;margin-top:38px}
.breadcrumb{margin-top:18px;font-size:13px;color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}

/* Hero · 浅色 AI 科技风 */
.hero-tech{position:relative;overflow:hidden;color:var(--ink);background:linear-gradient(135deg,#f9fbff 0%,#eef4ff 46%,#f4f0ff 100%)}
.hero-mesh{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(74,108,247,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(74,108,247,.06) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:linear-gradient(110deg,#000,rgba(0,0,0,.3) 72%,transparent);mask-image:linear-gradient(110deg,#000,rgba(0,0,0,.3) 72%,transparent)}
.hero-glow{position:absolute;border-radius:50%;pointer-events:none}
.hero-glow-a{width:560px;height:560px;right:-170px;top:-250px;background:radial-gradient(circle,rgba(139,92,246,.22),transparent 68%)}
.hero-glow-b{width:480px;height:480px;left:-190px;bottom:-270px;background:radial-gradient(circle,rgba(34,184,207,.18),transparent 70%)}
.hero-tech .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding:78px 0 40px}
.hero-copy-wrap{display:grid;min-width:0}
.hero-copy{grid-area:1/1;min-width:0;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .4s ease,transform .45s cubic-bezier(.2,.7,.2,1);pointer-events:none}
.hero-copy.active{opacity:1;visibility:visible;transform:none;pointer-events:auto;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border:1px solid #d5e0ff;border-radius:30px;background:rgba(255,255,255,.8);box-shadow:0 4px 14px rgba(59,91,219,.07);font-size:12.5px;font-weight:600;color:var(--primary)}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:dotPulse 2.6s ease-in-out infinite}
.hero-copy h1{font-size:clamp(32px,3.6vw,52px);line-height:1.28;color:var(--ink);margin:24px 0 18px;letter-spacing:.5px;overflow-wrap:break-word}
.hero-copy h1 em{font-style:normal;background:linear-gradient(90deg,#3b5bdb,#7048e8 55%,#22b8cf);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:15.5px;color:var(--ink-2);max-width:560px;line-height:1.9}
.hero-actions{display:flex;gap:13px;margin:30px 0 26px;flex-wrap:wrap}
.hero-points{list-style:none;display:flex;gap:10px 20px;flex-wrap:wrap;padding:0;margin:0;font-size:13px;color:var(--muted)}
.hero-points li{display:inline-flex;align-items:center;gap:6px}
.hero-points i{color:var(--primary);font-weight:700}
.hero-visual{position:relative;min-width:0}
.hero-visual-frame{position:relative;border:1px solid rgba(255,255,255,.9);border-radius:20px;background:rgba(255,255,255,.72);box-shadow:0 30px 70px rgba(30,55,130,.16),0 2px 8px rgba(30,55,130,.06);overflow:hidden;transition:box-shadow .35s,border-color .35s}
.hero-visual-frame:hover{box-shadow:0 34px 80px rgba(30,55,130,.22);border-color:#fff}
.hero-visual-frame::after{content:'';position:absolute;inset:0;z-index:4;pointer-events:none;background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.4),transparent 68%);opacity:0;transition:opacity .35s}
.hero-visual-frame:hover::after{opacity:1}
.hero-visual-head{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid rgba(59,91,219,.09);font-size:10.5px;letter-spacing:1.2px;font-weight:700;color:#6b7ba3}
.hero-visual-dots{display:inline-flex;gap:5px}
.hero-visual-dots i{width:8px;height:8px;border-radius:50%;background:#ff6b6b}
.hero-visual-dots i:nth-child(2){background:#ffd43b}
.hero-visual-dots i:nth-child(3){background:#51cf66}
.hero-live{margin-left:auto;display:inline-flex;align-items:center;gap:5px;color:#0ca678;letter-spacing:1px}
.hero-live i{width:6px;height:6px;border-radius:50%;background:#22c55e;animation:dotPulse 2.6s ease-in-out infinite}
.hero-visual-stage{display:grid;aspect-ratio:16/10;background:linear-gradient(135deg,#eef4ff,#f6f2ff)}
/* 不做缩放过渡与双图叠加，避免轮播切换时重采样发虚、重影 */
.hero-visual-img{grid-area:1/1;width:100%;height:100%;object-fit:cover;object-position:58% center;image-rendering:-webkit-optimize-contrast;opacity:0;visibility:hidden;transform:none}
.hero-visual-img.active{opacity:1;visibility:visible;position:relative;z-index:2;animation:heroImgIn .5s ease both}
@keyframes heroImgIn{from{opacity:0}to{opacity:1}}
.hero-visual-foot{display:flex;justify-content:space-between;gap:10px;padding:11px 16px;border-top:1px solid rgba(59,91,219,.09);font-size:10px;letter-spacing:1px;color:#8593b5}
.hero-visual-foot span:last-child{color:var(--primary);font-weight:700}
.hero-float{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;padding:11px 15px;border:1px solid rgba(255,255,255,.9);border-radius:14px;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);box-shadow:0 14px 34px rgba(30,55,130,.16)}
.hero-float i{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:#eaf0ff;color:var(--primary);font-size:20px;flex:none}
.hero-float strong{display:block;font-size:12.5px;color:var(--ink);line-height:1.4}
.hero-float small{display:block;font-size:10.5px;color:var(--muted);line-height:1.4}
.hero-float-a{left:-26px;top:16%}
.hero-float-b{right:-18px;bottom:12%}
.hero-controls{position:relative;z-index:3;display:flex;align-items:center;gap:18px;padding:0 0 34px}
.hero-arrows{display:flex;gap:8px}
.hero-arrow{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid #d9e2f8;border-radius:50%;background:rgba(255,255,255,.85);color:var(--primary);font-size:17px;line-height:1;transition:.2s}
.hero-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
.hero-dots{display:flex;gap:8px;margin-left:6px}
.hero-dots button{position:relative;overflow:hidden;width:22px;height:4px;border:0;border-radius:4px;background:#cbd7f2;padding:0;transition:width .3s,background .3s,transform .2s}
.hero-dots button:hover{transform:scaleY(1.7);background:#aabce8}
.hero-dots button.active{width:42px;background:linear-gradient(90deg,#8fa8f0,#c3d0f8)}
@keyframes statsRise{from{transform:translateY(14px)}to{transform:none}}
.stats-grid>div{animation:statsRise .7s cubic-bezier(.2,.7,.2,1) backwards}
.stats-grid>div:nth-child(1){animation-delay:.5s}
.stats-grid>div:nth-child(2){animation-delay:.58s}
.stats-grid>div:nth-child(3){animation-delay:.66s}
.stats-grid>div:nth-child(4){animation-delay:.74s}
.stats-grid>div:nth-child(5){animation-delay:.82s}
.hero-dots button.active::after{content:'';position:absolute;inset:0;border-radius:4px;background:var(--grad);transform-origin:left;animation:dotProgress 6.5s linear both}
@keyframes dotProgress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-paused .hero-dots button.active::after{animation-play-state:paused}
.hero-counter{margin-left:auto;font-size:12px;letter-spacing:1.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.hero-counter .cur{display:inline-block;color:var(--primary);font-weight:800;font-size:15px}

/* 入场与交互动效 */
@keyframes heroRise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes heroVisualIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes dotPulse{0%,100%{box-shadow:0 0 0 3px rgba(34,197,94,.18)}50%{box-shadow:0 0 0 7px rgba(34,197,94,.05)}}
.hero-tech .hero-copy.active .hero-badge{animation:heroRise .7s cubic-bezier(.2,.7,.2,1) .06s both}
.hero-tech .hero-copy.active h1{animation:heroRise .75s cubic-bezier(.2,.7,.2,1) .14s both}
.hero-tech .hero-copy.active .hero-desc{animation:heroRise .75s cubic-bezier(.2,.7,.2,1) .22s both}
.hero-tech .hero-copy.active .hero-actions{animation:heroRise .75s cubic-bezier(.2,.7,.2,1) .3s both}
.hero-tech .hero-copy.active .hero-points{animation:heroRise .75s cubic-bezier(.2,.7,.2,1) .38s both}
.hero-visual-frame{animation:heroVisualIn .85s cubic-bezier(.2,.7,.2,1) .18s both}
.hero-float-a{animation:heroRise .7s cubic-bezier(.2,.7,.2,1) .72s both}
.hero-float-b{animation:heroRise .7s cubic-bezier(.2,.7,.2,1) .84s both}
.hero-controls{animation:heroRise .7s cubic-bezier(.2,.7,.2,1) .56s both}
body .btn-primary{position:relative;overflow:hidden}
body .btn-primary::after{content:'';position:absolute;top:-50%;left:-70%;width:45%;height:200%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent);transform:skewX(-20deg);transition:left .65s ease;pointer-events:none}
body .btn-primary:hover::after{left:130%}
body .reveal{opacity:0;transition:opacity .6s ease}
body .reveal.is-visible{opacity:1}
@supports (translate:0 1px){
  body .reveal{translate:0 22px;transition:opacity .6s ease,translate .65s cubic-bezier(.2,.7,.2,1)}
  body .reveal.is-visible{translate:0 0}
}
body .service-icon,body .promise-card>i,body .ai-layer>i,body .process-no,body .value-icon{transition:transform .3s,box-shadow .3s}
body .service-card:hover .service-icon{transform:translateY(-3px) rotate(-5deg);box-shadow:0 10px 22px rgba(59,91,219,.18)}
body .promise-card:hover>i{transform:rotate(-7deg) scale(1.08)}
body .ai-layer:hover>i{transform:scale(1.18) rotate(-8deg)}
body .process-step:hover .process-no{transform:scale(1.12);box-shadow:0 8px 24px rgba(59,91,219,.28)}
body .value-card:hover .value-icon{transform:rotate(-6deg) scale(1.08)}

/* 数据统计 */
.stats-bar{background:#fff;border-bottom:1px solid var(--line)}
.stats-bar{position:relative;overflow:hidden}
.stats-bar::after{content:'';position:absolute;top:0;bottom:0;left:0;width:38%;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(96,140,255,.1),transparent);transform:translateX(-140%);opacity:0}
.stats-bar.is-active::after{animation:statScan 1.5s ease-out .15s both}
@keyframes statScan{0%{transform:translateX(-140%);opacity:0}10%{opacity:1}100%{transform:translateX(360%);opacity:0}}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);padding:30px 0}
.stats-grid>div{position:relative;text-align:center;border-right:1px solid var(--line);transition:transform .3s}
.stats-grid>div:last-child{border:0}
.stats-grid strong{display:block;margin-bottom:9px;font-size:30px;color:var(--primary);font-weight:800;line-height:1.2}
.stats-grid span{display:block;font-size:13px;color:var(--muted);transition:color .3s}
/* 数字闪动计数与科技感微动效 */
.stats-grid strong.stat-num{display:inline-block;position:relative;font-variant-numeric:tabular-nums;letter-spacing:.5px;transition:text-shadow .3s}
.stat-num::after{content:'';position:absolute;left:50%;bottom:-4px;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,#4a6cf7,#8b5cf6,#22b8cf);transform:translateX(-50%);transition:width .8s cubic-bezier(.2,.7,.2,1)}
.stats-grid.is-active .stat-num::after{width:34px}
.stat-num.is-animating{color:#4a6cf7;text-shadow:0 0 18px rgba(74,108,247,.5);animation:statFlicker .28s steps(2,end) infinite}
@keyframes statFlicker{0%{opacity:1}50%{opacity:.76}100%{opacity:1}}
.stat-num.is-done{animation:statSettle .6s cubic-bezier(.2,.8,.2,1)}
@keyframes statSettle{0%{transform:translateY(-5px) scale(1.045);text-shadow:0 0 26px rgba(112,72,232,.6)}60%{transform:none}100%{transform:none;text-shadow:none}}
.stat-num.is-text{letter-spacing:2px}
.stat-num.is-text span{display:inline-block;animation:statCharIn .5s ease backwards}
.stat-num.is-text span:nth-child(1){animation-delay:.35s}
.stat-num.is-text span:nth-child(2){animation-delay:.45s}
.stat-num.is-text span:nth-child(3){animation-delay:.55s}
@keyframes statCharIn{from{opacity:.25;transform:translateY(8px)}to{opacity:1;transform:none}}
.stats-grid>div:hover{transform:translateY(-4px)}
.stats-grid>div:hover .stat-num{text-shadow:0 0 20px rgba(74,108,247,.38)}
.stats-grid>div:hover span{color:var(--primary)}

/* 服务 */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{position:relative;padding:30px 24px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 4px 16px rgba(30,55,120,.04);transition:.25s;overflow:hidden}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c9d6ff}
.service-no{position:absolute;right:18px;top:12px;font-size:38px;font-weight:800;color:#eef3ff}
.service-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf0ff,#f1eaff);color:var(--primary);font-size:25px;margin-bottom:18px}
.service-card h3{font-size:18px;margin-bottom:10px}
.service-card p{font-size:13.5px;color:var(--muted);min-height:70px}
.service-card a{font-size:13px;color:var(--primary);font-weight:600}

/* 产品 */
.cat-strip{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.cat-strip a{padding:8px 16px;background:#fff;border:1px solid var(--line);border-radius:30px;font-size:13px;color:var(--ink-2)}
.cat-strip a:hover,.cat-strip a.active{background:var(--grad);color:#fff;border-color:transparent}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-grid-full{grid-template-columns:repeat(4,1fr)}
.product-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c9d6ff}
.product-thumb{position:relative;height:198px;background:linear-gradient(160deg,#f2f6ff,#eef1fb);display:flex;align-items:center;justify-content:center;padding:14px;overflow:hidden}
.product-thumb img{width:100%;height:100%;object-fit:contain;transition:transform .35s}
.product-card:hover .product-thumb img{transform:scale(1.06)}
.badge{position:absolute;left:10px;top:10px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;color:#fff;background:var(--purple)}
.badge-hot{background:linear-gradient(120deg,#f76707,#f03e3e)}
.badge-intl{background:linear-gradient(120deg,#0ca678,#22b8cf)}
.product-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:15.5px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.product-body p{font-size:12.5px;color:var(--muted);min-height:40px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-tags{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 14px}
.product-tags span{font-size:11px;padding:2px 8px;background:#f0f4ff;color:var(--primary);border-radius:5px}
.product-more{margin-top:auto;font-size:12.5px;color:var(--primary);font-weight:600}
.product-more i{font-style:normal;transition:margin .2s}
.product-card:hover .product-more i{margin-left:5px}

/* 优势 */
.advantage-inner{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
.advantage-text h2{font-size:34px;margin:8px 0 14px}
.advantage-text>p{color:var(--muted);margin-bottom:26px}
.advantage-list{list-style:none;padding:0;margin:0 0 28px}
.advantage-list li{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.advantage-list li i{width:24px;height:24px;border-radius:50%;background:#e7efff;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;flex:none}
.advantage-list strong{display:block;color:var(--ink);font-size:15px}
.advantage-list span{font-size:13px;color:var(--muted)}
.advantage-visual{position:relative;border-radius:20px;overflow:visible}
.advantage-visual>img{width:100%;height:430px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-lg)}
.floating-card{position:absolute;right:-24px;bottom:-24px;background:var(--grad);color:#fff;padding:20px 26px;border-radius:16px;box-shadow:var(--shadow-lg)}
.floating-card strong{display:block;font-size:30px;line-height:1.1}
.floating-card span{font-size:12px;color:#dce6ff}

/* 照片 / 视频 */
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.photo-grid-all{grid-template-columns:repeat(4,1fr)}
.photo-item{position:relative;display:block;height:180px;border-radius:12px;overflow:hidden;background:#e8eefb}
.photo-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.photo-item:hover img{transform:scale(1.08)}
.photo-item span{position:absolute;left:0;right:0;bottom:0;padding:18px 12px 9px;font-size:12px;color:#fff;background:linear-gradient(transparent,rgba(8,16,40,.72));opacity:0;transition:.25s}
.photo-item:hover span{opacity:1}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}
.video-grid-all{grid-template-columns:repeat(3,1fr)}
.video-item{background:#0f1a3c;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.video-item video{width:100%;height:230px;object-fit:cover;background:#0f1a3c;display:block}
.video-item>span{display:block;padding:10px 14px;color:#dce6ff;font-size:13px}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(6,12,30,.9);display:flex;align-items:center;justify-content:center;padding:40px}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:8px}
.lightbox-close{position:absolute;right:28px;top:18px;border:0;background:none;color:#fff;font-size:40px;line-height:1}

/* 案例 / 文章 */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.case-grid-full{grid-template-columns:repeat(3,1fr)}
.case-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-thumb{height:190px;background:linear-gradient(160deg,#e9efff,#eef0fb);overflow:hidden}
.case-thumb img{width:100%;height:100%;object-fit:contain;transition:transform .35s}
.case-card:hover .case-thumb img{transform:scale(1.05)}
.case-body{padding:18px}
.case-body time{font-size:12px;color:var(--muted)}
.case-body h3{font-size:16px;margin:8px 0}
.case-body p{font-size:13px;color:var(--muted);min-height:44px}
.case-body>span{font-size:12.5px;color:var(--primary);font-weight:600}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.article-thumb{height:180px;background:linear-gradient(135deg,#dce7ff,#e9ddff);display:flex;align-items:center;justify-content:center;overflow:hidden}
.article-thumb img{width:100%;height:100%;object-fit:cover}
.article-ph{text-align:center;color:rgba(59,91,219,.55);font-size:26px;font-weight:800;letter-spacing:4px;line-height:1.2}
.article-ph small{font-size:12px;letter-spacing:6px}
.article-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.article-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:10px}
.article-meta span{color:var(--primary)}
.article-body h3{font-size:17px;line-height:1.55;margin-bottom:10px}
.article-body p{font-size:13px;color:var(--muted);flex:1}
.article-more{font-size:12.5px;color:var(--primary);font-weight:600;margin-top:14px}

/* 留言表单 */
.lead-section{background:linear-gradient(140deg,#f7f9ff,#eef2ff)}
.lead-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.lead-intro h2{font-size:34px;margin:10px 0 14px}
.lead-intro>p{color:var(--muted);margin-bottom:26px}
.lead-contact p{display:flex;align-items:center;gap:10px;padding:9px 0;color:var(--ink-2);font-size:14px}
.lead-contact i{color:var(--primary);font-size:17px}
.lead-box{background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow-lg);border:1px solid #e8edfb}
.lead-head{display:flex;align-items:center;gap:14px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.lead-icon{width:48px;height:48px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:24px;flex:none}
.lead-head h3{font-size:20px}
.lead-head p{font-size:13px;color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:16px}
.field>span{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field em{color:#e03131;font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid #dfe6f3;border-radius:9px;background:#fbfcff;color:var(--ink);outline:none;transition:.2s;font-size:14px}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary-2);box-shadow:0 0 0 3px rgba(74,108,247,.12);background:#fff}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.lead-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:6px;flex-wrap:wrap}
.agree{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.form-msg{min-height:22px;margin-top:12px;font-size:13px}
.form-msg.ok{color:#2b8a3e}.form-msg.err{color:#c92a2a}

/* 内页头部 */
.page-hero{position:relative;padding:66px 0 60px;color:#fff;background:linear-gradient(120deg,#111e4a,#2b3f96 55%,#5b3fa8);overflow:hidden}
.page-hero::after{content:'';position:absolute;width:420px;height:420px;right:-100px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(120,160,255,.35),transparent 70%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:40px;margin:10px 0 8px}
.page-hero p{color:#c5d2f5;max-width:700px}
.page-hero-about{background:linear-gradient(120deg,#0f2a5a,#1d5fa8 60%,#2f8fb5)}
.page-hero-products{background:linear-gradient(120deg,#16215c,#3f51bd 55%,#7048e8)}
.page-hero-news{background:linear-gradient(120deg,#132550,#2e4f9e 60%,#5a55c0)}
.page-hero-cases{background:linear-gradient(120deg,#0e2d52,#1c6c96 60%,#3aa0a0)}
.page-hero-contact{background:linear-gradient(120deg,#142052,#3b4fc0 55%,#8b5cf6)}

/* 筛选 / 分页 */
.filter-bar{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}
.filter-cats{display:flex;flex-wrap:wrap;gap:8px;flex:1}
.filter-cats a{padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:13.5px;color:var(--ink-2);white-space:nowrap}
.filter-cats a:hover{border-color:var(--primary);color:var(--primary)}
.filter-cats a.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(59,91,219,.2)}
.filter-cats a i{font-style:normal;font-size:11px;opacity:.75;margin-left:3px}
.search-box{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;min-width:260px}
.search-box input{padding:10px 12px;border:0;outline:none;flex:1;font-size:13.5px}
.search-box button{border:0;background:var(--grad);color:#fff;padding:0 16px;font-size:18px}
.result-line{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:16px 0 24px;font-size:13.5px;color:var(--muted)}
.result-line strong{color:var(--primary);font-size:17px}
.result-note{font-size:13px;color:var(--muted)}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink-2)}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .current{background:var(--grad);color:#fff;border-color:transparent}
.empty-state{text-align:center;padding:70px 20px;color:var(--muted)}
.empty-state span{font-size:48px}
.empty-state h3{font-size:20px;margin:12px 0 8px}
.empty-state p{margin-bottom:20px}
.products-page-section{padding-bottom:70px}
.products-help{padding:52px 0}
.products-help-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.products-help h2{font-size:26px;margin-bottom:8px}
.products-help p{color:var(--muted)}

/* 产品详情 */
.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.pd-main-img{border:1px solid var(--line);border-radius:18px;background:linear-gradient(160deg,#f2f6ff,#eef1fb);padding:24px;min-height:380px;display:flex;align-items:center;justify-content:center}
.pd-main-img img{max-height:460px;object-fit:contain}
.pd-tip{font-size:12px;color:var(--muted);margin-top:10px;text-align:center}
.tag-flag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:700;color:#fff;background:#f03e3e;margin-bottom:14px}
.tag-flag-intl{background:#0ca678}
.pd-info h2{font-size:30px;margin-bottom:12px}
.pd-summary{color:var(--muted);font-size:15px;margin-bottom:18px}
.pd-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.pd-tags span{padding:5px 12px;background:#eef3ff;color:var(--primary);border-radius:7px;font-size:12.5px}
.pd-features{list-style:none;padding:0;margin:0 0 24px}
.pd-features li{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px}
.pd-features i{width:21px;height:21px;border-radius:50%;background:#e6f7ee;color:#2b8a3e;display:flex;align-items:center;justify-content:center;font-size:12px}
.pd-meta{display:flex;gap:24px;font-size:13px;color:var(--muted);margin-bottom:26px}
.pd-meta strong{color:var(--ink)}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap}
.rich-content{font-size:15.5px;line-height:2;color:var(--ink-2)}
.rich-content h2,.rich-content h3{margin:26px 0 12px}
.rich-content p{margin:0 0 16px}
.rich-content ul,.rich-content ol{padding-left:24px;margin:0 0 18px}
.rich-content img{max-width:100%;border-radius:10px}
.rich-content blockquote{border-left:3px solid var(--primary);background:#f4f7ff;padding:12px 18px;margin:16px 0}
.rich-content a{color:var(--primary);text-decoration:underline}
.rich-content table{border-collapse:collapse;width:100%}
.rich-content th,.rich-content td{border:1px solid var(--line);padding:8px 12px}

/* 文章详情 */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.article-info{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px}
.article-info span:first-child{color:var(--primary)}
.article-cover{margin-bottom:22px;border-radius:14px;overflow:hidden;max-height:420px}
.article-cover img{width:100%;object-fit:cover}
.article-lead{background:var(--bg-soft);border-left:3px solid var(--primary);padding:14px 18px;border-radius:0 10px 10px 0;margin-bottom:24px;color:var(--ink-2)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px}
.article-nav a{color:var(--primary)}
.article-cta{margin-top:36px;padding:26px;border-radius:14px;background:var(--bg-soft);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.article-cta p{color:var(--ink-2)}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:20px}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-card>a{display:flex;justify-content:space-between;gap:10px;padding:9px 0;font-size:13.5px;border-bottom:1px dashed var(--line)}
.side-card>a:hover{color:var(--primary)}
.side-card>a time{color:var(--muted);font-size:12px;flex:none}
.side-contact{background:linear-gradient(140deg,#f0f4ff,#f7f0ff)}
.side-contact p{font-size:13px;color:var(--muted);margin-bottom:8px}
.side-phone{font-size:22px!important;color:var(--primary)!important;font-weight:800;margin-bottom:14px!important}

/* 关于我们 */
.about-intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-intro-text h2{font-size:32px;margin:10px 0 18px}
.about-intro-text>p{color:var(--ink-2);line-height:2}
.about-signs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.about-signs>div{text-align:center;padding:16px 8px;background:var(--bg-soft);border-radius:12px}
.about-signs strong{display:block;font-size:24px;color:var(--primary)}
.about-signs span{font-size:12px;color:var(--muted)}
.about-intro-img img{width:100%;height:380px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-lg)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px}
.value-icon{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#e8efff,#f0eaff);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:16px}
.value-card h3{font-size:17px;margin-bottom:8px}
.value-card p{font-size:13.5px;color:var(--muted)}
.about-cta-section{background:linear-gradient(120deg,#12204f,#3b4fc0);color:#fff}
.about-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.about-cta-inner h2{color:#fff;font-size:32px;margin:8px 0 10px}
.about-cta-inner p{color:#c6d3f5;margin-bottom:4px}
.about-cta-inner .eyebrow{color:#a9bcff}

/* 联系我们 */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:56px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;transition:.25s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cc-icon{width:48px;height:48px;margin:0 auto 14px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:23px}
.contact-card h3{font-size:15px;color:var(--muted);font-weight:500}
.contact-card p{font-size:19px;font-weight:700;color:var(--ink);margin:6px 0}
.contact-card small{font-size:12px;color:var(--muted)}
.contact-main{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.contact-info h2{font-size:30px;margin:10px 0 24px}
.contact-info-list p{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.contact-info-list i{color:var(--primary);font-size:20px}
.contact-info-list strong{display:block;color:var(--ink);margin-bottom:3px}
.map-block{margin-top:28px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.map-frame{position:relative;height:300px;background:linear-gradient(135deg,#eef4ff,#e6ecfb)}
.map-iframe{display:block;width:100%;height:100%;border:0}
.map-pin-card{position:absolute;left:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:10px;max-width:min(330px,calc(100% - 32px));padding:12px 14px;border:1px solid rgba(255,255,255,.9);border-radius:10px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);box-shadow:var(--shadow-lg);pointer-events:none}
.map-pin-dot{display:flex;align-items:center;justify-content:center;width:32px;height:32px;flex:none;border-radius:8px;background:#eaf0ff;color:var(--primary);font-size:18px}
.map-pin-card strong{display:block;font-size:13px;color:var(--ink)}
.map-pin-card>div>span{display:block;font-size:11.5px;line-height:1.5;color:var(--muted);overflow-wrap:anywhere}
.map-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px;border-top:1px solid var(--line);flex-wrap:wrap}
.map-coord{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.map-coord i{color:var(--primary);font-size:15px}
.map-actions{display:flex;gap:8px;flex-wrap:wrap}
@media (max-width:520px){.map-frame{height:250px}.map-bar{flex-direction:column;align-items:flex-start}.map-actions{width:100%}.map-actions .btn{flex:1 1 auto;padding:9px 12px}}

/* 404 */
.notfound{padding:110px 0}
.notfound-code{font-size:110px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.notfound h1{font-size:28px;margin:10px 0}
.notfound p{color:var(--muted);margin-bottom:26px}

/* 底部 */
.footer-cta{background:var(--grad);color:#fff;padding:44px 0}
.footer-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-cta h2{color:#fff;font-size:27px;margin-bottom:8px}
.footer-cta p{color:#dbe4ff}
.site-footer{background:#0e1733;color:#9fb0d3;padding:64px 0 0;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;padding-bottom:44px}
.brand-footer .brand-text strong{color:#fff}
.footer-about p{margin-top:16px;line-height:1.9}
.footer-note{font-size:12px;color:#6c7ea5;margin-top:10px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col>a{display:block;padding:5px 0}
.footer-col>a:hover{color:#fff}
.footer-contact p{display:flex;gap:10px;margin-bottom:10px;line-height:1.7}
.footer-contact i{color:#7c9bff;font-size:16px;flex:none}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.09);padding:20px 0;font-size:12.5px;color:#7d8db1}
.footer-bottom a:hover{color:#fff}

/* 新增图标与业务卡片（首页 AI 改版） */
.ico-ai::before{content:'✦'} .ico-data::before{content:'◫'}
.si-ai{background:linear-gradient(135deg,#efe8ff,#e5f4ff);color:#7048e8}
.si-data{background:linear-gradient(135deg,#e1f6f8,#eaf0ff);color:#0e8ea6}
.services-grid .service-card p{min-height:76px}
.service-tag{display:inline-block;margin-bottom:16px;padding:4px 10px;border-radius:6px;background:#f1f5ff;color:var(--primary);font-size:11px;letter-spacing:.4px}
.services-grid .service-card a{display:block}
.services-more{text-align:center;margin-top:28px;font-size:13.5px;color:var(--muted)}

/* AI 能力分层 */
.ai-section{position:relative;overflow:hidden;background:linear-gradient(125deg,#eef4ff,#f8faff 55%,#f3eeff)}
.ai-section::before{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(74,108,247,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(74,108,247,.05) 1px,transparent 1px);background-size:52px 52px;-webkit-mask-image:linear-gradient(100deg,#000,transparent 75%);mask-image:linear-gradient(100deg,#000,transparent 75%)}
.ai-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr .95fr;gap:64px;align-items:center}
.ai-copy h2{font-size:clamp(26px,2.7vw,36px);line-height:1.42;margin:12px 0 18px;overflow-wrap:break-word}
.ai-copy>p{color:var(--ink-2);font-size:14.5px;line-height:1.95;max-width:560px}
.ai-tags{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0 30px}
.ai-tags span{padding:7px 13px;border:1px solid #d8e3ff;border-radius:30px;background:rgba(255,255,255,.8);color:var(--primary);font-size:12px;font-weight:500}
.ai-stack{position:relative;padding:26px 26px 42px;border:1px solid rgba(255,255,255,.9);border-radius:22px;background:rgba(255,255,255,.66);backdrop-filter:blur(16px);box-shadow:0 26px 60px rgba(30,55,130,.13)}
.ai-layer{display:flex;align-items:center;gap:14px;padding:14px 18px;margin-bottom:12px;border:1px solid #e4ebfb;border-radius:13px;background:#fff;transition:.25s}
.ai-layer:last-of-type{margin-bottom:0}
.ai-layer:hover{transform:translateX(6px);box-shadow:0 10px 24px rgba(30,55,130,.1)}
.ai-layer>div{flex:1;min-width:0}
.ai-layer strong{display:block;color:var(--ink);font-size:14px}
.ai-layer small{display:block;color:var(--muted);font-size:11.5px;line-height:1.6;overflow-wrap:break-word}
.ai-layer>i{font-size:20px;color:var(--primary);flex:none}
.ai-layer-no{font-size:10px;font-weight:800;letter-spacing:1px;color:var(--primary);flex:none}
.ai-layer-4{background:linear-gradient(90deg,#e9e4ff,#fff)}
.ai-layer-3{background:linear-gradient(90deg,#e6f0ff,#fff)}
.ai-layer-2{background:linear-gradient(90deg,#e4f8fb,#fff)}
.ai-stack-label{position:absolute;left:26px;bottom:14px;font-size:10px;letter-spacing:2px;color:#93a2c4;font-weight:700}

/* 交付标准 */
.promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.promise-card{position:relative;min-width:0;padding:28px 26px 26px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:.25s;overflow:hidden}
.promise-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c9d6ff}
.promise-no{position:absolute;right:18px;top:10px;font-size:34px;font-weight:800;color:#eef3ff}
.promise-card>i{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#eaf0ff,#f1eaff);color:var(--primary);font-size:22px;margin-bottom:16px}
.promise-card h3{font-size:16.5px;margin-bottom:9px}
.promise-card p{font-size:13px;color:var(--muted);line-height:1.8}

/* 交付流程 */
.process-steps{display:grid;grid-template-columns:repeat(5,1fr)}
.process-step{position:relative;min-width:0;padding:0 16px;text-align:center}
.process-step::before{content:'';position:absolute;top:19px;left:0;right:0;height:1px;background:#d7e1f7}
.process-step:first-child::before{left:50%}
.process-step:last-child::before{right:50%}
.process-no{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:38px;height:38px;margin:0 auto 18px;border-radius:50%;background:#fff;border:2px solid var(--primary);color:var(--primary);font-size:12px;font-weight:800;box-shadow:0 6px 16px rgba(59,91,219,.12)}
.process-step h3{font-size:15px;margin-bottom:8px}
.process-step p{font-size:12.5px;color:var(--muted);line-height:1.75}

/* 响应式 */
@media (max-width:1100px){
  .product-grid,.case-grid,.photo-grid,.photo-grid-all{grid-template-columns:repeat(3,1fr)}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid strong{font-size:25px}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-panel{max-width:520px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-contact{grid-column:1/-1}
  .advantage-inner{gap:40px}
}
@media (max-width:860px){
  .section{padding:60px 0}
  .topbar-left,.topbar-wechat{display:none}
  .topbar-inner{justify-content:center}
  .header-inner{height:66px}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;box-shadow:var(--shadow);display:none;border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .main-nav>a{padding:12px 8px}
  .main-nav .nav-cta{margin:10px 0 0;text-align:center}
  .nav-toggle{display:block}
  .side-tools{right:10px}
  .side-tool{width:52px;font-size:10px}
  .wechat-pop{right:70px}
  .hero{min-height:auto}
  .hero-inner{padding:56px 0 70px}
  .stats-grid{grid-template-columns:repeat(3,1fr);gap:18px 0}
  .stats-grid>div:nth-child(3){border:0}
  .product-grid,.case-grid,.case-grid-full,.article-grid,.values-grid,.video-grid,.video-grid-all{grid-template-columns:repeat(2,1fr)}
  .photo-grid,.photo-grid-all{grid-template-columns:repeat(2,1fr)}
  .advantage-inner,.about-intro-grid,.lead-layout,.contact-main,.product-detail-grid,.article-layout{grid-template-columns:1fr;gap:32px}
  .advantage-visual>img{height:320px}
  .floating-card{right:10px;bottom:-18px}
  .filter-bar{flex-direction:column}
  .search-box{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-contact{grid-column:auto}
  .form-row{grid-template-columns:1fr}
  .lead-box{padding:24px}
  .section-head h2{font-size:28px}
  .page-hero h1{font-size:32px}
}
@media (max-width:520px){
  .container{width:min(100% - 28px,1200px)}
  .hero h1{font-size:31px}
  .hero-content>p{font-size:14px}
  .hero-panel-cats{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid>div:nth-child(2n){border:0}
  .product-grid,.product-grid-full,.case-grid,.case-grid-full,.article-grid,.services-grid,.values-grid,.video-grid,.video-grid-all,.photo-grid,.photo-grid-all,.contact-cards,.about-signs{grid-template-columns:1fr}
  .product-thumb{height:220px}
  .footer-grid{grid-template-columns:1fr}
  .section-head.row-head{flex-direction:column;align-items:flex-start}
  .pd-info h2{font-size:24px}
  .contact-card p{font-size:17px}
  .side-tools{display:none}
}

/* 响应式增强 · AI 首页改版与全站自适应 */
.product-grid>*,.case-grid>*,.article-grid>*,.services-grid>*,.stats-grid>div,.promise-grid>*,.process-steps>*,.ai-inner>*,.hero-inner>*{min-width:0}
.section-head h2,.lead-intro h2,.ai-copy h2,.promise-card h3,.process-step h3{overflow-wrap:break-word}
.section-head.center>p{max-width:760px;margin-left:auto;margin-right:auto}
.footer-contact p,.lead-contact p,.contact-card p{overflow-wrap:anywhere}
@media (max-width:1100px){
  .hero-tech .hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0 30px}
  .hero-visual{width:100%;max-width:760px;margin:0 auto}
  .hero-float-a{left:0}
  .hero-float-b{right:0}
  .ai-inner{grid-template-columns:1fr;gap:36px}
  .ai-stack{width:100%;max-width:640px}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(3,1fr);gap:26px 0}
  .process-step::before{display:none}
  .process-no{margin-bottom:12px}
}
@media (max-width:860px){
  .hero-tech .hero-inner{padding:48px 0 26px}
  .hero-float{padding:8px 11px}
  .hero-float small{display:none}
  .hero-visual-foot{font-size:9px}
  .ai-stack{padding:20px 20px 38px}
  .process-steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .hero-tech .hero-inner{padding:38px 0 22px;gap:26px}
  .hero-tech .hero-copy h1{font-size:clamp(27px,7.2vw,34px);margin:18px 0 14px}
  .hero-desc{font-size:13.5px;line-height:1.8}
  .hero-badge{font-size:11px;padding:6px 12px}
  .hero-actions{gap:9px;margin:22px 0 18px}
  .hero-actions .btn{flex:1 1 45%;padding:11px 12px;font-size:13px}
  .hero-points{gap:8px 12px;font-size:11.5px}
  .hero-float{display:none}
  .hero-visual-frame{border-radius:14px}
  .hero-visual-head{padding:10px 12px;font-size:9px;letter-spacing:.6px}
  .hero-visual-foot{padding:9px 12px}
  .hero-visual-foot span:last-child{display:none}
  .hero-controls{gap:12px;padding-bottom:24px}
  .hero-arrow{width:34px;height:34px;font-size:15px}
  .hero-counter{font-size:11px}
  .stats-grid strong{font-size:22px}
  .stats-grid span{font-size:11.5px}
  .services-grid .service-card p{min-height:0}
  .ai-tags{gap:7px;margin:20px 0 24px}
  .ai-tags span{font-size:11px;padding:6px 10px}
  .ai-layer{padding:12px 13px;gap:10px}
  .ai-layer small{font-size:10.5px}
  .promise-grid{grid-template-columns:1fr}
  .promise-card{padding:22px 20px}
  .process-steps{grid-template-columns:repeat(2,1fr);gap:22px 6px}
  .process-step{padding:0 6px}
  .process-no{width:34px;height:34px;font-size:11px}
  .process-step h3{font-size:13.5px}
  .process-step p{font-size:11.5px}
  .section-head h2{font-size:24px}
  .ai-copy h2{font-size:24px}
  .lead-intro h2{font-size:25px}
  .about-signs,.contact-cards{grid-template-columns:repeat(2,1fr)}
  .contact-card{padding:20px 12px}
  .contact-card p{font-size:15px}
  .section{padding:48px 0}
  .page-hero{padding:48px 0 44px}
  .page-hero h1{font-size:27px}
}
/* 联系方式弹层：电话直显 / 微信二维码 */
.contact-pop{position:fixed;right:92px;top:50%;transform:translateY(-50%);z-index:70;width:272px;padding:20px;border:1px solid #e3e9f6;border-radius:12px;background:#fff;box-shadow:var(--shadow-lg)}
.contact-pop-inner{position:relative;text-align:center}
.contact-pop-close{position:absolute;right:-6px;top:-8px;border:0;background:none;font-size:22px;line-height:1;color:#9aa7c0}
.contact-pop-close:hover{color:var(--ink)}
.contact-pop-label{display:block;font-size:9.5px;font-weight:800;letter-spacing:1.8px;color:var(--primary)}
.contact-pop-number{display:block;margin:12px 0 8px;font-size:25px;font-weight:800;letter-spacing:1px;color:var(--ink);font-variant-numeric:tabular-nums}
.contact-pop-qr{display:block;width:196px;height:196px;margin:14px auto 12px;padding:6px;border:1px solid var(--line);border-radius:10px;background:#fff}
.contact-pop-inner>strong{display:block;font-size:14px;color:var(--ink)}
.contact-pop-inner p{margin:6px 0 14px;font-size:11.5px;line-height:1.7;color:var(--muted)}
.contact-pop-inner code{padding:1px 5px;border-radius:4px;background:var(--bg-soft);color:var(--primary);font-size:12.5px;font-weight:700}
.contact-pop-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.contact-cards{grid-template-columns:repeat(3,1fr)}
.contact-card{display:flex;flex-direction:column;align-items:center;justify-content:center}
.contact-qr{display:block;width:88px;height:88px;margin:8px 0 6px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#fff;transition:.25s}
.contact-qr:hover{transform:scale(1.06);box-shadow:var(--shadow)}
.contact-qr img{width:100%;height:100%;object-fit:contain}
@media (max-width:860px){.contact-cards{grid-template-columns:repeat(2,1fr)}.contact-pop{right:70px}}
@media (max-width:520px){.contact-cards{grid-template-columns:repeat(2,1fr)}.contact-pop{right:12px;left:12px;width:auto;max-width:300px;margin-left:auto}}

/* 留言表单：编辑式排版，去掉模板化渐变与 emoji */
.lead-box{position:relative;padding:34px;border:1px solid #e3e9f6;border-radius:10px;background:#fff;box-shadow:0 18px 50px rgba(24,44,105,.07)}
.lead-box-bar{position:absolute;left:0;right:0;top:0;height:3px;border-radius:10px 10px 0 0;background:linear-gradient(90deg,#3b5bdb,#7048e8,#22b8cf)}
.lead-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.lead-eyebrow{display:block;margin-bottom:8px;font-size:10px;font-weight:800;letter-spacing:2px;color:var(--primary)}
.lead-head h3{font-size:22px;letter-spacing:.5px}
.lead-head p{margin-top:6px;font-size:12.5px;color:var(--muted)}
.lead-head-mark{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:52px;height:52px;flex:none;border:1px solid #d9e2f8;border-radius:8px;background:#f8faff}
.lead-head-mark i{width:14px;height:14px;border:2px solid var(--primary);border-top-color:transparent;border-radius:50%;transform:rotate(-40deg)}
.lead-head-mark small{font-size:9px;font-weight:800;letter-spacing:1px;color:var(--primary)}
.form-section{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:11px;font-weight:700;letter-spacing:1.4px;color:var(--ink)}
.form-section>span{color:var(--primary);font-variant-numeric:tabular-nums}
.form-section>i{flex:1;height:1px;background:var(--line)}
.field>span{display:flex;align-items:center;gap:6px;margin-bottom:7px;font-size:12px;font-weight:600;letter-spacing:.3px;color:var(--ink-2)}
.field>span::before{content:'';width:4px;height:4px;flex:none;border-radius:50%;background:var(--primary);opacity:.55}
.field em{color:var(--primary);font-style:normal;font-size:11px}
.field input,.field select,.field textarea{padding:11px 13px;border:1px solid #e0e7f4;border-left:2px solid #e0e7f4;border-radius:6px;background:#fff;font-size:13.5px;color:var(--ink);box-shadow:none}
.field input::placeholder,.field textarea::placeholder{color:#a6b2c9}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary-2);border-left-color:var(--primary);background:#fbfcff;box-shadow:none}
.lead-footer{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);gap:16px}
.lead-agree{display:flex;flex-direction:column;gap:4px}
.lead-agree small{font-size:11px;color:#9aa7c0}
.agree{cursor:pointer;font-size:12px;gap:7px}
.agree input{appearance:none;-webkit-appearance:none;position:relative;width:15px;height:15px;margin:0;flex:none;border:1px solid #c7d3ea;border-radius:3px;background:#fff}
.agree input:checked{background:var(--primary);border-color:var(--primary)}
.agree input:checked::after{content:'✓';position:absolute;inset:0;text-align:center;line-height:13px;font-size:11px;color:#fff}
.btn-submit{border-radius:6px;padding:12px 26px;background:var(--ink);color:#fff;font-size:13.5px;letter-spacing:.5px;box-shadow:none}
.btn-submit:hover{background:var(--primary);box-shadow:0 10px 24px rgba(59,91,219,.24)}
@media (max-width:520px){.lead-box{padding:22px}.lead-head{gap:10px}.lead-head-mark{width:44px;height:44px}}

/* 地图无公网时优雅降级，避免 iframe 显示浏览器错误页 */
.map-frame.map-offline{background:linear-gradient(135deg,#eef4ff,#e7edfb)}
.map-frame.map-offline::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(90,120,190,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(90,120,190,.1) 1px,transparent 1px);background-size:36px 36px}
.map-frame.map-offline::after{content:'地图需要公网环境加载 · 可点击下方「一键导航」';position:absolute;left:50%;top:40%;z-index:1;transform:translate(-50%,-50%);max-width:calc(100% - 32px);padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.92);box-shadow:var(--shadow);text-align:center;font-size:12px;line-height:1.6;color:var(--muted)}

/* 两段公司视频时的居中双列布局 */
.video-grid-pair{grid-template-columns:repeat(2,1fr);max-width:880px;margin-left:auto;margin-right:auto}
@media (max-width:860px){.video-grid-pair{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.video-grid-pair{grid-template-columns:1fr}}

/* 视频封面：不同实拍底图 + 品牌渐变 / 编号 / 播放按钮 */
.video-stage{position:relative;background:#0f1a3c;overflow:hidden}
.video-cover{position:absolute;inset:0;display:block;width:100%;height:100%;padding:0;border:0;background:#0f1a3c;color:#fff;cursor:pointer;text-align:left;overflow:hidden;font:inherit}
.video-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02);transition:transform .6s}
.video-cover:hover .video-cover-img,.video-cover:focus-visible .video-cover-img{transform:scale(1.09)}
.video-cover-shade{position:absolute;inset:0;background:linear-gradient(115deg,rgba(6,20,48,.94) 0%,rgba(6,28,64,.6) 48%,rgba(6,20,48,.12) 100%)}
.video-cover-shade::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:34px 34px;-webkit-mask-image:linear-gradient(90deg,#000,transparent 72%);mask-image:linear-gradient(90deg,#000,transparent 72%)}
.vc-promo .video-cover-shade{background:linear-gradient(115deg,rgba(34,18,72,.94) 0%,rgba(64,32,112,.58) 48%,rgba(28,18,64,.14) 100%)}
.video-cover-top{position:absolute;left:20px;top:18px;display:flex;align-items:center;gap:10px}
.video-cover-no{font:700 12px/1 Arial,sans-serif;letter-spacing:2px;padding:6px 8px;border:1px solid rgba(255,255,255,.45);border-radius:4px}
.video-cover-eyebrow{font:600 11px/1 Arial,sans-serif;letter-spacing:2.4px;color:rgba(255,255,255,.82)}
.video-cover-play{position:absolute;left:50%;top:50%;width:62px;height:62px;margin:-31px 0 0 -31px;border:1px solid rgba(255,255,255,.7);border-radius:50%;background:rgba(255,255,255,.16);box-shadow:0 0 0 9px rgba(255,255,255,.09),0 8px 26px rgba(6,16,44,.35);display:flex;align-items:center;justify-content:center;transition:transform .3s,background .3s}
.video-cover-play i{display:block;width:0;height:0;margin-left:4px;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}
.video-cover:hover .video-cover-play,.video-cover:focus-visible .video-cover-play{transform:scale(1.1);background:rgba(255,255,255,.28)}
.video-cover-bottom{position:absolute;left:20px;right:20px;bottom:18px;display:block}
.video-cover-rule{display:block;width:34px;height:3px;border-radius:2px;background:#4d8dff;margin-bottom:10px}
.vc-promo .video-cover-rule{background:#a67bff}
.video-cover-title{display:block;font-size:21px;font-weight:700;letter-spacing:1px;line-height:1.3;text-shadow:0 2px 12px rgba(6,16,44,.5)}
.video-cover-sub{display:block;margin-top:5px;font-size:12px;color:rgba(255,255,255,.9);letter-spacing:.5px;text-shadow:0 1px 6px rgba(6,16,44,.6)}
.video-cover-brand{position:absolute;right:18px;top:20px;font:600 10px/1 Arial,sans-serif;letter-spacing:2px;color:rgba(255,255,255,.72);text-shadow:0 1px 6px rgba(6,16,44,.6)}
.video-item.is-playing .video-cover{display:none}
.video-cover:focus-visible{outline:2px solid #6aa1ff;outline-offset:-3px}
@media (max-width:520px){.video-cover-title{font-size:19px}.video-cover-play{width:54px;height:54px;margin:-27px 0 0 -27px}}

/* 产品详情长图 */
.pd-shots{display:flex;flex-direction:column;gap:22px}
.pd-shots figure{margin:0}
.pd-shots img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 8px 24px rgba(24,44,105,.05);transition:box-shadow .25s}
.pd-shots a:hover img{box-shadow:var(--shadow-lg)}
.pd-shots figcaption{margin-top:8px;text-align:center;font-size:12px;color:var(--muted)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* 移动端悬浮一键拨号：仅移动设备 + 窄屏显示，桌面窄窗口由 is-desktop 排除 */
.mobile-call{display:none}
@media (max-width:768px){
  .mobile-call{
    position:fixed;right:14px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:80;
    display:inline-flex;align-items:center;gap:10px;padding:10px 16px 10px 10px;
    border-radius:999px;color:#fff;background:var(--grad);
    box-shadow:0 10px 28px rgba(59,91,219,.38);
    -webkit-tap-highlight-color:transparent;
    animation:mobileCallPulse 2.8s ease-out infinite;
  }
  html.is-desktop .mobile-call{display:none}
  html:not(.is-desktop) .side-tools{display:none}
}
.mobile-call-ico{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);font-size:20px;flex:none}
.mobile-call-text{display:flex;flex-direction:column;line-height:1.25}
.mobile-call-text strong{font-size:14px;font-weight:700;letter-spacing:.5px;color:#fff}
.mobile-call-text small{font-size:10px;opacity:.85;letter-spacing:.5px;font-variant-numeric:tabular-nums}
.mobile-call:active{transform:scale(.96)}
@keyframes mobileCallPulse{
  0%,100%{box-shadow:0 10px 28px rgba(59,91,219,.38),0 0 0 0 rgba(59,91,219,.32)}
  50%{box-shadow:0 10px 28px rgba(59,91,219,.38),0 0 0 9px rgba(59,91,219,0)}
}