/* ==========================================================================
   山西工业互联网平台 / Shanxi Industrial Internet Platform
   科技风 主色 #165DFF  辅助色 #E8F3FF  背景 #FFFFFF
   ========================================================================== */
:root{
  --primary:#165DFF; --primary-2:#0E42C0; --primary-3:#3C85FF;
  --accent:#00D2FF; --assist:#E8F3FF; --assist-2:#F5F8FF;
  --bg:#FFFFFF; --dark:#0A1730; --dark-2:#122348; --dark-3:#1B2F5C;
  --text:#1D2129; --sub:#5A6478; --muted:#86909C;
  --line:#E6EAF2; --line-2:#F0F3F9;
  --ok:#00B42A; --warn:#FF7D00; --red:#F53F3F;
  --r:14px; --r-lg:20px;
  --shadow:0 6px 24px rgba(22,93,255,.08);
  --shadow-2:0 12px 36px rgba(22,93,255,.14);
  --shadow-lg:0 18px 50px rgba(10,23,48,.16);
  --maxw:1280px;
  --font:"Microsoft YaHei","Source Han Sans SC","Noto Sans SC","PingFang SC","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s,opacity .2s}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:.5px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.text-primary{color:var(--primary)}
.text-accent{color:var(--accent)}
.text-sub{color:var(--sub)}
.center{text-align:center}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .25s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 18px rgba(22,93,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(22,93,255,.38)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:rgba(22,93,255,.04)}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--primary)}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:6px}
.btn-block{width:100%;justify-content:center}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:13px;height:38px;display:flex;align-items:center}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topbar-left span{margin-right:18px;display:inline-flex;align-items:center;gap:6px}
.topbar-right{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.08);border-radius:20px;padding:3px}
.lang-btn{border:none;background:transparent;color:rgba(255,255,255,.72);font-size:12px;padding:3px 12px;border-radius:16px;cursor:pointer;transition:.2s}
.lang-btn.active{background:var(--primary);color:#fff}
.topbar a:hover{color:#fff}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 4px 20px rgba(10,23,48,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;box-shadow:0 4px 14px rgba(22,93,255,.35);letter-spacing:-1px;flex-shrink:0}
.logo-txt{line-height:1.25;min-width:0}
.logo-txt b{display:block;font-size:15px;letter-spacing:.5px;white-space:nowrap}
.logo-txt i{display:block;font-style:normal;font-size:10px;color:var(--muted);letter-spacing:1.2px;text-transform:uppercase;white-space:nowrap;margin-top:3px}
.nav .logo{max-width:220px}
.nav .logo-txt b{overflow:hidden;text-overflow:ellipsis}
.menu{display:flex;align-items:center;justify-content:center;flex:1;min-width:0;gap:0}
.menu a{position:relative;padding:8px 7px;font-size:15px;color:var(--text);border-radius:6px;white-space:nowrap;flex-shrink:0}
.menu a:hover{color:var(--primary);background:var(--assist)}
.menu a.active{color:var(--primary);font-weight:600}
.menu a.active::after{content:"";position:absolute;left:7px;right:7px;bottom:2px;height:2px;background:var(--primary);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center}
.search-box input{width:160px;height:36px;border:1px solid var(--line);border-radius:20px;padding:0 36px 0 14px;font-size:13px;background:var(--assist-2);transition:.25s}
.search-box input:focus{width:200px;background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,93,255,.12)}
.search-box button{position:absolute;right:4px;width:28px;height:28px;border:none;background:transparent;color:var(--primary);cursor:pointer;border-radius:50%}
.search-box button:hover{background:var(--assist)}
.hamburger{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
/* 英文导航更紧凑，避免长词挤压换行 */
html[lang="en"] .menu a{padding:8px 6px;font-size:14px;letter-spacing:0}
html[lang="en"] .nav .logo{max-width:160px}
html[lang="en"] .search-box input{width:140px}
html[lang="en"] .search-box input:focus{width:170px}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0;z-index:1000;visibility:hidden;opacity:0;transition:.3s}
.drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(10,23,48,.45)}
.drawer-panel{position:absolute;top:0;right:0;width:300px;height:100%;background:#fff;padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .3s}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.drawer-close{border:none;background:var(--assist-2);width:32px;height:32px;border-radius:50%;cursor:pointer;color:var(--sub);font-size:18px}
.drawer a{display:block;padding:12px 8px;border-bottom:1px solid var(--line-2);font-size:15px}
.drawer a:hover,.drawer a.active{color:var(--primary)}
.drawer-lang{margin-top:20px}

/* 搜索结果弹层 */
.search-pop{position:fixed;top:0;left:0;right:0;z-index:1100;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:22px 0;display:none}
.search-pop.show{display:block}
.search-pop .container{max-width:960px}
.search-pop-inner{display:flex;gap:10px;margin-bottom:14px}
.search-pop-inner input{flex:1;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 16px;font-size:15px}
.search-pop-inner input:focus{border-color:var(--primary)}
.search-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;max-height:46vh;overflow:auto}
.search-item{padding:12px 14px;border:1px solid var(--line);border-radius:10px;transition:.25s;display:block}
.search-item:hover{border-color:var(--primary);background:var(--assist);transform:translateY(-2px)}
.search-item b{display:block;font-size:14px;margin-bottom:3px}
.search-item span{font-size:12px;color:var(--muted)}
.search-empty{padding:20px;color:var(--muted);font-size:14px}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;min-height:640px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 500px at 78% 18%,rgba(22,93,255,.45),transparent 60%),
  radial-gradient(700px 500px at 12% 82%,rgba(0,210,255,.22),transparent 62%);}
.hero-grid{position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:60px 60px}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:80px 0 60px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:20px;background:rgba(22,93,255,.22);border:1px solid rgba(0,210,255,.35);font-size:13px;color:#9ECDFF;margin-bottom:20px}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:44px;line-height:1.28;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#00D2FF,#165DFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:16px;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
.hero-stats div b{display:block;font-size:24px;color:#fff;font-weight:700}
.hero-stats div b span{font-size:13px;color:rgba(255,255,255,.6);font-weight:400;margin-left:3px}
.hero-stats div span{font-size:12px;color:rgba(255,255,255,.6)}

/* 数字人卡片 */
.dh-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:20px;backdrop-filter:blur(10px);box-shadow:0 18px 50px rgba(0,0,0,.28)}
.dh-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.dh-avatar{position:relative;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#165DFF,#00D2FF);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}
.dh-avatar svg{width:100%;height:100%}
.dh-avatar::after{content:"";position:absolute;left:0;right:0;height:2px;background:rgba(255,255,255,.9);box-shadow:0 0 12px #fff;animation:scan 2.6s linear infinite}
@keyframes scan{0%{top:6%}50%{top:92%}100%{top:6%}}
.dh-name{font-size:16px;font-weight:700}
.dh-state{font-size:12px;color:#9ECDFF;display:flex;align-items:center;gap:6px}
.dh-state i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.dh-chat{height:186px;overflow-y:auto;background:rgba(10,23,48,.5);border-radius:12px;padding:12px;margin-bottom:12px;font-size:13.5px;line-height:1.7}
.dh-msg{margin-bottom:10px;display:flex;gap:8px}
.dh-msg.bot .bubble{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12)}
.dh-msg.me{justify-content:flex-end}
.dh-msg.me .bubble{background:var(--primary);color:#fff}
.bubble{max-width:85%;padding:8px 12px;border-radius:10px;color:rgba(255,255,255,.9);word-break:break-word}
.dh-quick{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.dh-quick button{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:rgba(255,255,255,.85);font-size:12px;padding:5px 10px;border-radius:14px;cursor:pointer;transition:.2s}
.dh-quick button:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.dh-input{display:flex;gap:8px}
.dh-input input{flex:1;height:38px;border-radius:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;padding:0 12px;font-size:13px}
.dh-input input::placeholder{color:rgba(255,255,255,.45)}
.dh-input button{border:none;background:var(--primary);color:#fff;border-radius:8px;padding:0 16px;cursor:pointer;font-size:13px;transition:.2s}
.dh-input button:hover{background:var(--primary-2)}

/* ---------- 内页 Banner ---------- */
.page-hero{position:relative;background:linear-gradient(120deg,var(--dark) 0%,var(--dark-2) 55%,var(--primary-2) 100%);color:#fff;padding:64px 0 56px;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:56px 56px;opacity:.5}
.page-hero .container{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.crumb a:hover{color:#fff}
.page-hero h1{font-size:34px;margin-bottom:12px}
.page-hero p{font-size:15.5px;color:rgba(255,255,255,.78);max-width:760px}
.page-hero .hero-metrics{display:flex;gap:36px;flex-wrap:wrap;margin-top:26px}
.page-hero .hero-metrics div b{display:block;font-size:26px}
.page-hero .hero-metrics div span{font-size:12.5px;color:rgba(255,255,255,.62)}

/* ---------- 区块 ---------- */
.section{padding:72px 0}
.section.soft{background:var(--assist-2)}
.section.dark{background:var(--dark);color:#fff}
.section.dark .sec-sub{color:rgba(255,255,255,.7)}
.section.dark .sec-title{color:#fff}
.sec-head{margin-bottom:40px;max-width:820px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--primary);font-weight:700;margin-bottom:10px;text-transform:uppercase}
.section.dark .sec-eyebrow{color:var(--accent)}
.sec-title{font-size:30px;margin-bottom:12px}
.sec-sub{font-size:15.5px;color:var(--sub);line-height:1.85}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:all .28s ease;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:rgba(22,93,255,.35)}
.card .ico{width:52px;height:52px;border-radius:12px;background:var(--assist);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;color:var(--primary);transition:.28s}
.card:hover .ico{background:var(--primary);color:#fff}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{font-size:14px;color:var(--sub);line-height:1.8}
.card .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.card .tags span{font-size:12px;padding:3px 9px;border-radius:4px;background:var(--assist);color:var(--primary)}
.card-num{position:absolute;right:18px;top:14px;font-size:38px;font-weight:800;color:rgba(22,93,255,.07)}
.section.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:#fff}
.section.dark .card p{color:rgba(255,255,255,.7)}
.section.dark .card:hover{border-color:rgba(0,210,255,.5)}
.section.dark .card .ico{background:rgba(22,93,255,.28);color:var(--accent)}
.section.dark .card .tags span{background:rgba(255,255,255,.1);color:#9ECDFF}

/* ---------- 数据条 / 图表 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:.28s}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat b{font-size:30px;color:var(--primary);display:block;line-height:1.2}
.stat b small{font-size:14px;color:var(--sub);margin-left:3px;font-weight:400}
.stat span{font-size:13.5px;color:var(--sub);display:block;margin-top:6px}
.section.dark .stat{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.section.dark .stat b{color:var(--accent)}
.section.dark .stat span{color:rgba(255,255,255,.66)}

.bars{display:flex;flex-direction:column;gap:16px}
.bar-item{display:grid;grid-template-columns:150px 1fr 92px;align-items:center;gap:14px;font-size:14px}
.bar-track{height:12px;border-radius:8px;background:var(--assist);overflow:hidden}
.bar-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--primary),var(--accent));width:0;transition:width 1.4s cubic-bezier(.2,.7,.3,1)}
.bar-val{text-align:right;font-weight:700;color:var(--primary);font-size:14px}
.section.dark .bar-track{background:rgba(255,255,255,.12)}
.section.dark .bar-val{color:var(--accent)}

/* 环形/环形组 */
.ring-wrap{display:flex;gap:30px;flex-wrap:wrap;justify-content:center}
.ring{width:132px;text-align:center}
.ring svg{transform:rotate(-90deg)}
.ring-fill{transition:stroke-dashoffset 1.4s ease}
.ring label{display:block;margin-top:8px;font-size:13px;color:var(--sub)}
.section.dark .ring label{color:rgba(255,255,255,.7)}

/* ---------- Tabs / 筛选 ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tab{padding:8px 18px;border:1px solid var(--line);background:#fff;border-radius:22px;font-size:14px;cursor:pointer;transition:.25s;color:var(--sub)}
.tab:hover{border-color:var(--primary);color:var(--primary)}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(22,93,255,.3)}
.filter-panel{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.filter-item{display:none}
.filter-item.show{display:block;animation:fadeUp .45s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 列表 / 新闻 ---------- */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;gap:20px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:#fff;transition:.28s}
.news-item:hover{border-color:var(--primary);transform:translateX(6px);box-shadow:var(--shadow)}
.news-date{flex-shrink:0;width:66px;text-align:center;background:var(--assist);border-radius:10px;padding:8px 0}
.news-date b{display:block;font-size:20px;color:var(--primary);line-height:1.1}
.news-date span{font-size:12px;color:var(--sub)}
.news-item h4{font-size:16px;margin-bottom:5px}
.news-item p{font-size:13.5px;color:var(--sub);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-tag{margin-left:auto;font-size:12px;padding:4px 10px;border-radius:4px;background:var(--assist);color:var(--primary);flex-shrink:0}

/* ---------- 步骤 / 时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{position:relative;padding:26px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r);transition:.28s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.step::before{counter-increment:s;content:counter(s);width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:16px}
.step h4{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--sub)}
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.tl-item{position:relative;padding-bottom:26px}
.tl-item::before{content:"";position:absolute;left:-27px;top:7px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--primary)}
.tl-item h4{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--sub)}
.section.dark .tl-item::before{background:var(--dark);border-color:var(--accent)}
.section.dark .step{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.section.dark .step p{color:rgba(255,255,255,.7)}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table.tbl{width:100%;border-collapse:collapse;min-width:660px;font-size:14px}
table.tbl th{background:var(--assist);color:var(--primary);text-align:left;padding:14px 16px;font-weight:700;white-space:nowrap}
table.tbl td{padding:13px 16px;border-top:1px solid var(--line-2);color:var(--sub)}
table.tbl tbody tr:hover{background:#FAFCFF}
table.tbl td:first-child{color:var(--text);font-weight:600}

/* ---------- 合作伙伴跑马灯 ---------- */
.marquee{overflow:hidden;position:relative;padding:10px 0;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scrollX 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scrollX{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.mq-item{min-width:200px;padding:16px 20px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:center;font-size:14px;font-weight:600;transition:.25s}
.mq-item:hover{border-color:var(--primary);color:var(--primary)}
.section.dark .mq-item{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.85)}
.section.dark .mq-item:hover{color:var(--accent);border-color:var(--accent)}
.mq-item small{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-top:3px}
.section.dark .mq-item small{color:rgba(255,255,255,.5)}

/* ---------- 轮播 ---------- */
.slider{position:relative;overflow:hidden;border-radius:var(--r-lg)}
.slider-track{display:flex;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.slide{min-width:100%;position:relative;height:420px;display:flex;align-items:center;color:#fff;padding:0 56px;background-size:cover;background-position:center}
.slide .slide-txt{max-width:560px;position:relative;z-index:2}
.slide h3{font-size:30px;margin-bottom:12px}
.slide p{font-size:15px;color:rgba(255,255,255,.82);margin-bottom:18px}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,23,48,.92),rgba(10,23,48,.45) 60%,transparent)}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;border:none;background:rgba(255,255,255,.22);color:#fff;cursor:pointer;z-index:5;backdrop-filter:blur(6px);font-size:18px;transition:.25s}
.slider-arrow:hover{background:var(--primary)}
.slider-arrow.prev{left:14px}
.slider-arrow.next{right:14px}
.slider-dots{position:absolute;bottom:16px;left:56px;display:flex;gap:8px;z-index:5}
.slider-dots i{width:24px;height:4px;border-radius:3px;background:rgba(255,255,255,.4);cursor:pointer;transition:.25s}
.slider-dots i.on{background:#fff;width:38px}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--sub);font-weight:600}
.field label i{color:var(--red);font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{height:44px;border:1px solid var(--line);border-radius:8px;padding:0 14px;font-size:14px;background:#fff;transition:.2s;width:100%}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,93,255,.12)}
.form-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.form-ok{display:none;margin-top:14px;padding:12px 16px;border-radius:8px;background:rgba(0,180,42,.1);color:var(--ok);font-size:14px;border:1px solid rgba(0,180,42,.25)}
.form-ok.show{display:block}

/* ---------- 悬浮联系 ---------- */
.float-bar{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:800;display:flex;flex-direction:column;gap:10px}
.float-item{position:relative;width:52px;height:52px;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--primary);font-size:20px;transition:.28s}
.float-item:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}
.float-item .tip{position:absolute;right:62px;top:50%;transform:translateY(-50%);background:var(--dark);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:.25s}
.float-item:hover .tip{opacity:1}
.float-item .tip b{color:var(--accent)}
.float-bar .to-top{background:var(--dark);color:#fff}
.float-bar .to-top:hover{background:var(--primary)}

/* ---------- 模态 ---------- */
.modal{position:fixed;inset:0;z-index:1200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(10,23,48,.55);backdrop-filter:blur(3px)}
.modal-body{position:relative;background:#fff;border-radius:var(--r-lg);padding:30px;width:100%;max-width:560px;max-height:88vh;overflow:auto;box-shadow:var(--shadow-lg);animation:fadeUp .3s ease}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.modal-head h3{font-size:20px}
.modal-close{border:none;background:var(--assist-2);width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:20px;color:var(--sub)}
.modal-close:hover{background:var(--assist);color:var(--primary)}

/* 数字人悬浮窗 */
.dh-float{position:fixed;right:18px;bottom:22px;z-index:850;width:340px;max-width:calc(100vw - 36px);background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden;display:none;flex-direction:column}
.dh-float.show{display:flex}
.dh-float-head{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff;padding:14px 16px;display:flex;align-items:center;gap:12px}
.dh-float-head .av{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.dh-float-head b{display:block;font-size:15px}
.dh-float-head span{font-size:12px;opacity:.85}
.dh-float-head .x{margin-left:auto;border:none;background:transparent;color:#fff;font-size:20px;cursor:pointer;opacity:.8}
.dh-float-body{padding:14px;height:250px;overflow-y:auto;background:var(--assist-2);font-size:13.5px}
.dh-float-body .m{margin-bottom:10px;display:flex;gap:8px}
.dh-float-body .m.me{justify-content:flex-end}
.dh-float-body .b{max-width:82%;padding:9px 12px;border-radius:10px;line-height:1.7}
.dh-float-body .m.bot .b{background:#fff;border:1px solid var(--line)}
.dh-float-body .m.me .b{background:var(--primary);color:#fff}
.dh-float-foot{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.dh-float-foot input{flex:1;height:38px;border:1px solid var(--line);border-radius:8px;padding:0 12px;font-size:13.5px}
.dh-float-foot button{border:none;background:var(--primary);color:#fff;border-radius:8px;padding:0 16px;cursor:pointer;font-size:13.5px}
.dh-launcher{position:fixed;right:20px;bottom:24px;z-index:840;width:60px;height:60px;border-radius:50%;border:none;cursor:pointer;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:26px;box-shadow:0 10px 26px rgba(22,93,255,.42);display:flex;align-items:center;justify-content:center;transition:.3s}
.dh-launcher:hover{transform:scale(1.08)}
.dh-launcher.hide{display:none}
.dh-launcher .dot{position:absolute;top:0;right:0;width:14px;height:14px;border-radius:50%;background:var(--red);border:2px solid #fff}

/* ---------- CTA 条 ---------- */
.cta-band{background:linear-gradient(120deg,var(--primary-2),var(--primary) 45%,#0EA5E9);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:26px 26px;opacity:.35}
.cta-band .container{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap}
.cta-band h2{font-size:28px;margin-bottom:8px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.85)}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:36px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--primary)}
.footer ul li{margin-bottom:9px}
.footer ul li a:hover{color:#fff;padding-left:4px}
.footer .f-brand p{margin:16px 0;line-height:1.9;font-size:13.5px}
.contact-item{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start;font-size:13.5px}
.contact-item i{color:var(--accent);font-style:normal;flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}
.qr{display:flex;gap:12px;margin-top:14px}
.qr-box{width:86px;height:86px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;color:rgba(255,255,255,.6);text-align:center;padding:6px}
.qr-box--img{padding:4px;overflow:hidden}
.qr-box--img img{width:100%;height:100%;object-fit:cover;border-radius:4px;display:block}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .menu a{padding:8px 6px;font-size:14.5px}
  .search-box input{width:130px}
  .search-box input:focus{width:160px}
  .nav-actions .btn-sm{padding:7px 12px;font-size:12px}
  html[lang="en"] .menu a{padding:8px 5px;font-size:13.5px}
}
@media (max-width:1200px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{min-height:auto}
  .footer-grid{grid-template-columns:1fr 1fr}
  .menu{display:none}
  .hamburger{display:flex}
  .search-box input{width:150px}
}
@media (max-width:1024px){
  .menu,.nav-actions .btn-ghost{display:none}
  .hamburger{display:flex}
  .search-box input{width:150px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .float-bar{right:10px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .topbar{display:none}
  .hero h1{font-size:30px}
  .hero{padding-top:40px}
  .hero-inner{padding:40px 0}
  .hero-stats{gap:12px}
  .sec-title{font-size:24px}
  .section{padding:48px 0}
  .page-hero{padding:44px 0 40px}
  .page-hero h1{font-size:26px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .slide{height:340px;padding:0 26px}
  .slide h3{font-size:22px}
  .slider-dots{left:26px}
  .bar-item{grid-template-columns:110px 1fr 70px;font-size:13px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .news-item{flex-wrap:wrap}
  .news-tag{margin-left:0}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .float-bar{right:8px;transform:none;top:auto;bottom:96px}
  .float-item{width:44px;height:44px;font-size:17px}
  .dh-float{right:12px;bottom:16px}
  .dh-launcher{right:14px;bottom:76px;width:52px;height:52px;font-size:22px}
  .drawer-panel{width:86%}
}
@media (max-width:420px){
  .hero h1{font-size:26px}
  .stat b{font-size:24px}
  .hero-stats{grid-template-columns:1fr 1fr}
}