/* =========================================================
   山东福诺智能科技有限公司 · 官网（白底商务版 / 博乐信息风格）
   White corporate B2B style
   ========================================================= */

:root{
  --white:#ffffff;
  --bg-soft:#f7f8fa;
  --bg-soft-2:#f0f2f5;
  --ink:#1d2939;          /* 主文字深炭灰 */
  --ink-2:#475467;        /* 次要 */
  --ink-3:#98a2b3;        /* 弱化 */
  --brand:#165dff;        /* 商务蓝强调 */
  --brand-d:#0f47d1;
  --brand-l:#e8efff;
  --line:#e5e7eb;         /* 分割线 */
  --line-2:#d0d5dd;
  --green:#12b76a;
  --orange:#f79009;
  --navy:#0b1b33;         /* footer/banner 深色 */
  --r:3px;                /* 微圆角 */
  --r-m:6px;
  --ff:'Microsoft YaHei','PingFang SC','Hiragino Sans GB','Segoe UI',system-ui,sans-serif;
  --max:1200px;
  --shadow:0 1px 2px rgba(16,24,40,.05);
  --shadow-h:0 8px 24px rgba(16,24,40,.08);
  --topbar-h:72px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{
  font-family:var(--ff);background:var(--white);color:var(--ink);
  line-height:1.75;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4,h5{line-height:1.35;font-weight:600;letter-spacing:-.01em}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.sec{padding:84px 0}
.sec.alt{background:var(--bg-soft)}
.sec.tight{padding:60px 0}

/* ---------- 通用标题 ---------- */
.sec-title{font-size:2rem;color:var(--ink);margin-bottom:14px;font-weight:600;letter-spacing:-.01em;line-height:1.35}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head.center{margin:0 auto 48px;text-align:center}
.kicker{
  display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);margin-bottom:14px;
}
.sec-head h2{font-size:2rem;color:var(--ink);margin-bottom:14px}
.sec-head p{color:var(--ink-2);font-size:.98rem;line-height:1.85}
.blue{color:var(--brand)}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--topbar-h);
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s;
}
.topbar.scrolled{box-shadow:0 2px 12px rgba(16,24,40,.06)}
.topbar-inner{position:relative;display:flex;align-items:center;justify-content:space-between;height:var(--topbar-h);gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-m);background:linear-gradient(135deg,#165dff,#3f8cff);
  display:grid;place-items:center;flex-shrink:0;
}
.brand-mark svg{width:21px;height:21px}
.brand-txt strong{display:block;font-size:.96rem;color:var(--ink);line-height:1.25}
.brand-txt span{display:block;font-size:.6rem;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}

.nav{display:flex;align-items:center;gap:2px;height:100%}
.nav > li{position:static;height:100%;display:flex;align-items:center}
.nav a.top{
  display:flex;align-items:center;gap:5px;padding:0 16px;height:100%;
  font-size:.92rem;color:var(--ink-2);font-weight:500;transition:color .18s;
}
.nav a.top:hover,.nav li:hover > a.top,.nav a.top.on{color:var(--brand)}
.nav a.top.on::after,.nav li:hover > a.top::after{
  content:'';position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--brand);
}
.nav a.top .caret{width:9px;height:9px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.nav li:hover > a.top .caret{transform:rotate(180deg)}

/* 下拉面板（通栏白底，仿博乐） */
.dropdown{
  position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 12px 24px rgba(16,24,40,.08);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s;
  z-index:99;
}
.nav li:hover > .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-inner{display:flex;gap:0;padding:26px 0 30px}
.dd-group{flex:1;min-width:200px;padding:0 26px;border-right:1px solid var(--line)}
.dd-group:last-child{border-right:none}
.dd-group h5{font-size:.92rem;color:var(--ink);margin-bottom:6px;font-weight:600}
.dd-group .dd-line{width:34px;height:2px;background:var(--brand);margin-bottom:14px}
.dd-group ul li{margin-bottom:9px}
.dd-group ul a{font-size:.86rem;color:var(--ink-2);transition:.16s;display:inline-block;white-space:nowrap}
.dd-group ul a:hover{color:var(--brand);transform:translateX(3px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 24px;border-radius:var(--r);font-size:.9rem;font-weight:500;
  transition:all .22s;white-space:nowrap;border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);transform:translateY(-1px);box-shadow:0 6px 18px rgba(22,93,255,.28)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:14px 30px;font-size:.95rem}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#eef4ff}
.btn-outline-w{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-w:hover{border-color:#fff;background:rgba(255,255,255,.12)}

.burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);border-radius:var(--r);place-items:center}
.burger span{display:block;width:17px;height:1.7px;background:var(--ink);margin:2.5px 0;transition:.3s}

/* ---------- 首屏 Banner ---------- */
.banner{
  position:relative;min-height:520px;display:flex;align-items:center;
  margin-top:var(--topbar-h);background:var(--navy);overflow:hidden;
}
.banner-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(6,14,30,.92) 0%,rgba(6,14,30,.72) 45%,rgba(6,14,30,.45) 100%),
    repeating-linear-gradient(115deg,rgba(22,93,255,.10) 0 2px,transparent 2px 46px);
}
.banner-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 75% 80% at 70% 40%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 75% 80% at 70% 40%,#000,transparent 70%);
}
.banner-inner{position:relative;z-index:3;width:100%;padding:88px 0}
.banner-tag{
  display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border:1px solid rgba(255,255,255,.28);
  border-radius:2px;color:#cfe0ff;font-size:.8rem;letter-spacing:.06em;margin-bottom:24px;
}
.banner-tag i{width:6px;height:6px;background:var(--brand);border-radius:50%;box-shadow:0 0 8px var(--brand)}
.banner h1{font-size:3.1rem;color:#fff;font-weight:700;line-height:1.18;letter-spacing:-.02em;margin-bottom:20px}
.banner h1 em{font-style:normal;color:#5b96ff}
.banner .lead{font-size:1.06rem;color:#c3cede;max-width:640px;line-height:1.9;margin-bottom:34px}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap}
.banner-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.14);margin-top:56px;max-width:840px;
}
.bstat{background:rgba(8,16,32,.55);backdrop-filter:blur(6px);padding:18px 20px}
.bstat b{display:block;font-size:1.75rem;font-weight:700;color:#5b96ff;letter-spacing:-.02em}
.bstat span{font-size:.76rem;color:#9fb0cc}

/* ---------- 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:28px 26px;
  transition:all .25s;position:relative;
}
.card:hover{border-color:#b9d0ff;box-shadow:var(--shadow-h);transform:translateY(-3px)}
.card .ico{
  width:44px;height:44px;border-radius:var(--r-m);background:var(--brand-l);color:var(--brand);
  display:grid;place-items:center;margin-bottom:18px;
}
.card .ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.04rem;color:var(--ink);margin-bottom:9px}
.card p{font-size:.9rem;color:var(--ink-2);line-height:1.8}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.85rem;color:var(--brand);font-weight:500}
.card .more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.card:hover .more svg{transform:translateX(4px)}
.card.soft{background:var(--bg-soft)}

/* 痛点卡（博乐式 01/02/03） */
.pain{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative;overflow:hidden}
.pain .no{font-size:2.4rem;font-weight:700;color:rgba(22,93,255,.10);position:absolute;top:12px;right:18px;line-height:1}
.pain h4{font-size:.98rem;color:var(--ink);margin-bottom:8px;position:relative}
.pain p{font-size:.87rem;color:var(--ink-2);line-height:1.75;position:relative}

/* 产品卡（图+文） */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:all .25s;display:flex;flex-direction:column}
.pcard:hover{border-color:#b9d0ff;box-shadow:var(--shadow-h);transform:translateY(-3px)}
.pcard-top{
  height:150px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0e2450 0%,#165dff 100%);
}
.pcard-top::after{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:30px 30px;
}
.pcard-top .pico{position:absolute;inset:0;display:grid;place-items:center;z-index:2}
.pcard-top .pico svg{width:56px;height:56px;stroke:rgba(255,255,255,.9);fill:none;stroke-width:1.4}
.pcard-top .ptag{
  position:absolute;top:12px;left:12px;z-index:3;font-size:.68rem;color:#fff;
  background:rgba(22,93,255,.85);padding:3px 9px;border-radius:2px;letter-spacing:.05em;
}
.pcard-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.pcard-body h3{font-size:1.06rem;color:var(--ink);margin-bottom:8px}
.pcard-body p{font-size:.88rem;color:var(--ink-2);line-height:1.78;flex:1}
.pcard-body .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.85rem;color:var(--brand);font-weight:500}
.pcard-body .more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.pcard:hover .more svg{transform:translateX(4px)}

/* ---------- 数据/指标 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.metric{background:#fff;padding:32px 24px;text-align:center}
.metric b{display:block;font-size:2.5rem;font-weight:700;color:var(--brand);letter-spacing:-.03em;line-height:1.1}
.metric b small{font-size:1.1rem}
.metric span{display:block;font-size:.87rem;color:var(--ink-2);margin-top:8px}
.metric em{display:block;font-size:.72rem;color:var(--ink-3);margin-top:3px;font-style:normal}

/* ---------- 步骤/流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;text-align:center;position:relative}
.step .sn{
  width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:.85rem;font-weight:600;margin:0 auto 14px;
}
.step h4{font-size:.95rem;color:var(--ink);margin-bottom:7px}
.step p{font-size:.82rem;color:var(--ink-2);line-height:1.7}

/* ---------- 对比表 ---------- */
.cmp-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;overflow-x:auto;background:#fff}
.cmp{width:100%;border-collapse:collapse;font-size:.9rem}
.cmp th,.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp thead th{background:var(--bg-soft);color:var(--ink);font-size:.8rem;letter-spacing:.05em;font-weight:600}
.cmp thead th:last-child{color:var(--brand);background:var(--brand-l)}
.cmp tbody td:first-child{color:var(--ink);font-weight:500;background:#fcfcfd}
.cmp tbody td{color:var(--ink-2)}
.cmp tbody td:last-child{color:var(--ink);font-weight:500;background:#f7faff}
.cmp tbody tr:hover td{background:#f5f8ff}
.cmp tbody tr:hover td:last-child{background:#eef4ff}

/* ---------- 列表 ---------- */
.ticks li{
  position:relative;padding-left:24px;font-size:.92rem;color:var(--ink-2);
  line-height:1.85;margin-bottom:8px;
}
.ticks li::before{
  content:'';position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.ticks li b{color:var(--ink);font-weight:600}

/* ---------- 痛点区（深色带） ---------- */
.pain-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.pain-band::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
}
.pain-band .wrap{position:relative;z-index:2}
.pain-band .sec-head h2{color:#fff}
.pain-band .sec-head p{color:#b9c5da}
.pain-band .kicker{color:#5b96ff}
.pain-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:26px 24px;transition:.25s}
.pain-card:hover{background:rgba(255,255,255,.09);border-color:rgba(91,150,255,.5);transform:translateY(-3px)}
.pain-card .pno{font-size:.78rem;color:#5b96ff;font-weight:600;letter-spacing:.1em;margin-bottom:12px;display:block}
.pain-card h4{font-size:1rem;color:#fff;margin-bottom:9px}
.pain-card p{font-size:.87rem;color:#a9b7cf;line-height:1.78}

/* ---------- 案例 ---------- */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:all .25s}
.case:hover{border-color:#b9d0ff;box-shadow:var(--shadow-h);transform:translateY(-3px)}
.case-top{
  height:132px;background:linear-gradient(135deg,#0e2450,#165dff);position:relative;display:grid;place-items:center;
}
.case-top::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:26px 26px}
.case-top svg{width:44px;height:44px;stroke:rgba(255,255,255,.92);fill:none;stroke-width:1.4;position:relative;z-index:2}
.case-body{padding:22px}
.case-body .ctag{font-size:.72rem;color:var(--brand);font-weight:600;letter-spacing:.05em}
.case-body h3{font-size:1.02rem;color:var(--ink);margin:8px 0 9px;line-height:1.5}
.case-body p{font-size:.86rem;color:var(--ink-2);line-height:1.78}
.case-kpi{display:flex;gap:20px;margin-top:15px;padding-top:15px;border-top:1px solid var(--line)}
.case-kpi div b{display:block;color:var(--brand);font-size:1.1rem;font-weight:700}
.case-kpi div small{font-size:.72rem;color:var(--ink-3)}

/* ---------- 关于/优势 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.about-txt p{color:var(--ink-2);font-size:.95rem;line-height:1.9;margin-bottom:15px}
.qual{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qcard{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;display:flex;gap:13px;align-items:flex-start;transition:.22s}
.qcard:hover{background:#fff;border-color:#b9d0ff;box-shadow:var(--shadow)}
.qcard svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.8;flex-shrink:0;margin-top:2px}
.qcard b{display:block;font-size:.92rem;color:var(--ink);margin-bottom:4px}
.qcard small{font-size:.79rem;color:var(--ink-3);line-height:1.65}

/* ---------- 新闻/列表 ---------- */
.news-list li{border-bottom:1px solid var(--line);padding:17px 0;display:flex;justify-content:space-between;gap:18px;align-items:baseline}
.news-list li:last-child{border-bottom:none}
.news-list a{font-size:.95rem;color:var(--ink);transition:.18s;flex:1}
.news-list a:hover{color:var(--brand)}
.news-list time{font-size:.8rem;color:var(--ink-3);font-family:Consolas,monospace;flex-shrink:0}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(120deg,#0e2450 0%,#165dff 100%);border-radius:var(--r);
  padding:52px 56px;text-align:center;position:relative;overflow:hidden;
}
.cta::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px}
.cta h2{font-size:1.9rem;color:#fff;margin-bottom:13px;position:relative}
.cta p{color:#cdd9f2;margin-bottom:28px;position:relative;font-size:.98rem}
.cta .acts{display:flex;gap:14px;justify-content:center;position:relative;flex-wrap:wrap}

/* ---------- 联系 ---------- */
.contact-split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px}
.fg{margin-bottom:17px}
.fg label{display:block;font-size:.83rem;color:var(--ink-2);margin-bottom:6px;font-weight:500}
.fg input,.fg select,.fg textarea{
  width:100%;padding:11px 14px;background:#fff;border:1px solid var(--line-2);border-radius:var(--r);
  color:var(--ink);font-size:.9rem;font-family:var(--ff);outline:none;transition:.2s;
}
.fg textarea{resize:vertical;min-height:104px}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,93,255,.1)}
.fg2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cinfo{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}
.cinfo:last-child{border-bottom:none}
.cinfo .ci{width:42px;height:42px;border-radius:var(--r-m);background:var(--brand-l);color:var(--brand);display:grid;place-items:center;flex-shrink:0}
.cinfo .ci svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8}
.cinfo b{display:block;font-size:.76rem;color:var(--ink-3);font-weight:500;margin-bottom:3px;letter-spacing:.03em}
.cinfo p{font-size:.95rem;color:var(--ink)}

/* ---------- 页脚（深色，仿博乐） ---------- */
footer{background:var(--navy);color:#fff;padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.foot-brand .brand-txt strong{color:#fff}
.foot-brand p{font-size:.85rem;color:#93a3bd;line-height:1.85;margin-top:15px;max-width:290px}
.foot-col h4{font-size:.9rem;color:#fff;margin-bottom:15px;font-weight:600}
.foot-col li{margin-bottom:9px}
.foot-col a{font-size:.85rem;color:#93a3bd;transition:.18s}
.foot-col a:hover{color:#5b96ff}
.foot-col .note{font-size:.85rem;color:#93a3bd;line-height:1.8}
.foot-bar{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.78rem;color:#7d8da8}

/* ---------- 页面头（内页 banner） ---------- */
.phero{
  position:relative;background:var(--navy);color:#fff;padding:138px 0 66px;overflow:hidden;
  margin-top:var(--topbar-h);
}
.phero::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 100% at 25% 0%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 100% at 25% 0%,#000,transparent 75%);
}
.phero::after{
  content:'';position:absolute;right:-8%;top:-30%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,93,255,.35),transparent 65%);
}
.phero .wrap{position:relative;z-index:2}
.crumb{font-size:.8rem;color:#8ea3c7;margin-bottom:16px}
.crumb a:hover{color:#5b96ff}
.crumb span{margin:0 7px;opacity:.5}
.phero .ptag{
  display:inline-block;background:rgba(22,93,255,.22);border:1px solid rgba(91,150,255,.45);
  color:#a9c6ff;font-size:.75rem;padding:4px 13px;border-radius:2px;margin-bottom:18px;letter-spacing:.06em;
}
.phero h1{font-size:2.5rem;color:#fff;margin-bottom:16px;font-weight:700}
.phero p{color:#c3cede;max-width:740px;font-size:1rem;line-height:1.9}

/* ---------- 产品详情页布局 ---------- */
.pdetail{display:grid;grid-template-columns:236px 1fr;gap:40px;align-items:start}

/* ===== 行业方案 · 对比/参数表 ===== */
.tbl{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tbl thead th{background:var(--bg-soft);color:var(--ink);font-weight:600;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.7}
.tbl tbody tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:#f8faff}
.tbl .hi{color:var(--brand);font-weight:600}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* 行业方案 · 方案要点标签 */
.sol-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.sol-tags span{font-size:.76rem;color:var(--brand);background:rgba(22,93,255,.08);border:1px solid rgba(22,93,255,.2);padding:4px 10px;border-radius:3px}

/* 行业方案 · 价值数字块（方案页指标行） */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;text-align:center}
.kpi b{display:block;font-size:1.9rem;font-weight:800;color:var(--brand);line-height:1.15;letter-spacing:-.02em}
.kpi span{display:block;font-size:.82rem;color:var(--ink-2);margin-top:7px}
.kpi em{display:block;font-size:.7rem;color:#98a2b3;font-style:normal;margin-top:5px}
@media (max-width:960px){.kpis{grid-template-columns:repeat(2,1fr)}}
.sidenav{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;
}
.sidenav h5{font-size:.72rem;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase;padding:9px 12px 11px;font-weight:600}
.sidenav a{
  display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 13px;border-radius:var(--r);
  font-size:.87rem;color:var(--ink-2);transition:.18s;margin-bottom:2px;
}
.sidenav a:hover{background:var(--bg-soft);color:var(--ink)}
.sidenav a.on{background:var(--brand-l);color:var(--brand);font-weight:600}
.sidenav a span{font-size:.7rem;color:var(--ink-3)}

.pblock{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 32px;margin-bottom:26px;scroll-margin-top:100px}
.pblock > h2{font-size:1.5rem;color:var(--ink);margin-bottom:6px}
.pblock > .sub{font-size:.78rem;letter-spacing:.1em;color:var(--brand);text-transform:uppercase;margin-bottom:20px;font-family:Consolas,monospace}
.pblock p.lead{color:var(--ink-2);font-size:.95rem;line-height:1.9;margin-bottom:22px}
.pblock h3.mini{
  font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);font-weight:600;
  margin:26px 0 13px;display:flex;align-items:center;gap:9px;
}
.pblock h3.mini::after{content:'';flex:1;height:1px;background:var(--line)}

.pgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.spec{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r);padding:19px 21px}
.spec h5{font-size:.88rem;color:var(--ink);margin-bottom:9px;font-weight:600}
.spec p{font-size:.85rem;color:var(--ink-2);line-height:1.78}
.spec.blue{background:var(--brand-l);border-color:#c9dcff}
.spec.blue h5{color:var(--brand-d)}

/* 技术点两列 */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:.22s}
.feat:hover{border-color:#b9d0ff;box-shadow:var(--shadow)}
.feat .fi{width:38px;height:38px;border-radius:var(--r-m);background:var(--brand-l);color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.feat .fi svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feat h4{font-size:.97rem;color:var(--ink);margin-bottom:7px}
.feat p{font-size:.86rem;color:var(--ink-2);line-height:1.78}

/* 内页指标条 */
.ibar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:26px}
.ibar div{background:#fff;padding:24px 18px;text-align:center}
.ibar div b{display:block;font-size:2.1rem;font-weight:700;color:var(--brand);letter-spacing:-.03em}
.ibar div b small{font-size:.95rem}
.ibar div span{font-size:.8rem;color:var(--ink-2);display:block;margin-top:5px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.16,1,.3,1),transform .65s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .nav > li > .dropdown{display:none}
  .burger{display:grid}
  .nav{display:none}
  .banner h1{font-size:2.4rem}
  .banner-stats{grid-template-columns:repeat(2,1fr)}
  .g4,.metrics,.ibar{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .split,.contact-split{grid-template-columns:1fr;gap:36px}
  .pdetail{grid-template-columns:1fr}
  .sidenav{position:static;display:flex;gap:6px;overflow-x:auto;padding:9px}
  .sidenav h5{display:none}
  .sidenav a{white-space:nowrap;margin-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:720px){
  html{font-size:15px}
  .sec{padding:56px 0}
  .banner h1{font-size:1.95rem}
  .banner-inner{padding:56px 0}
  .phero{padding:112px 0 44px}
  .phero h1{font-size:1.75rem}
  .sec-head h2{font-size:1.55rem}
  .g2,.g3,.g4,.metrics,.ibar,.pgrid,.feature-grid,.qual,.fg2,.steps{grid-template-columns:1fr}
  .pblock{padding:24px 20px}
  .cta{padding:36px 22px}
  .cta h2{font-size:1.45rem}
  .banner h1{font-size:1.95rem}
  .topbar-inner{height:64px}
  .brand-txt span{display:none}
  .foot-grid{grid-template-columns:1fr}
  .banner-actions .btn{width:100%}
}

/* ===== 图形组件（SVG架构图/流程图/数据图） ===== */
.fig{margin:0 0 34px}
.fig-head{font-size:.95rem;font-weight:600;color:var(--ink);margin-bottom:12px;padding-left:10px;border-left:3px solid var(--brand)}
.fig-cap{font-size:.75rem;color:#98A2B3;margin-top:8px}
.fig svg text{font-family:inherit}
@media (max-width:720px){.fig svg{min-width:640px}.tbl-wrap{margin-bottom:34px}}

/* ===== 真实场景大图（博乐式工业实拍条） ===== */
.scene-band{padding:0 24px;margin:0 0 4px}
.scene-band .wrap{padding:0}
.scene{position:relative;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.scene img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:16/7}
.scene .scene-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 22px 18px;
  background:linear-gradient(0deg,rgba(6,14,30,.82),rgba(6,14,30,0));color:#fff;
}
.scene .scene-cap b{display:block;font-size:1.05rem;font-weight:600;margin-bottom:3px}
.scene .scene-cap span{font-size:.8rem;color:#c3cede}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.scene-grid .scene img{aspect-ratio:4/3}
.scene-grid .scene-cap{padding:20px 16px 14px}
.scene-grid .scene-cap b{font-size:.92rem}
.scene-2col{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.scene-2col .scene img{aspect-ratio:4/3}
@media(max-width:960px){
  .scene-grid{grid-template-columns:1fr}
  .scene-2col{grid-template-columns:1fr;gap:24px}
}

/* 锚点目录条 */
.anchor-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:8px}
.anchor-bar a{font-size:.86rem;color:var(--ink-2);padding:7px 14px;border-radius:5px;border:1px solid transparent;transition:.15s}
.anchor-bar a:hover{color:var(--brand);background:rgba(22,93,255,.06)}
.anchor-bar a.on{color:#fff;background:var(--brand)}

/* ---- software UI showcase ---- */
.ui-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:40px}
.ui-shot{background:#fff;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;box-shadow:0 12px 32px rgba(16,24,40,.09);transition:transform .25s ease,box-shadow .25s ease}
.ui-shot:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(16,24,40,.14)}
.ui-shot img{width:100%;display:block;aspect-ratio:16/9.4;object-fit:cover;object-position:top left;background:#0B1220}
.ui-cap{padding:14px 18px;border-top:1px solid #EEF2F6}
.ui-cap h4{margin:0 0 4px;font-size:1rem;color:var(--ink)}
.ui-cap p{margin:0;font-size:.9rem;color:var(--muted)}
.ui-hero{margin-top:40px;background:#fff;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;box-shadow:0 16px 40px rgba(16,24,40,.1)}
.ui-hero img{width:100%;display:block;background:#0B1220}
.ui-hero .ui-cap{padding:16px 22px}
@media(max-width:900px){.ui-grid{grid-template-columns:1fr}}

/* ================= 追加：首屏 Banner（实景轮播+遮罩） ================= */
.banner-main{position:relative;z-index:2;max-width:660px}
.banner-photos{position:absolute;inset:0;overflow:hidden}
.banner-photos img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease;filter:brightness(1.35) saturate(1.1)}
.banner-photos img.on{opacity:1}
.banner .banner-grid + .banner-inner,.banner-inner{position:relative;z-index:2}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,22,51,.58) 0%,rgba(10,22,51,.32) 45%,rgba(10,22,51,0) 78%);pointer-events:none}

/* ================= 追加：产品页首屏（通栏实景图模板） ================= */
.phero.heroimg{position:relative;padding:150px 0 74px;overflow:hidden}
.phero .hero-img{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(1.2) saturate(1.08)}
.phero .hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,22,51,.62) 0%,rgba(10,22,51,.36) 42%,rgba(10,22,51,0) 72%)}
.phero.heroimg .wrap{position:relative;z-index:2}
.hero-fusion{display:flex}
.hero-fusion .hf-top,.hero-fusion .hf-base{flex:1;background-size:cover;background-position:center}
.hero-fusion .hf-top{filter:brightness(1.2) saturate(1.08)}
.hero-fusion .hf-base{filter:brightness(1.2) saturate(1.08)}
.hero-fusion::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,22,51,.62) 0%,rgba(10,22,51,.36) 42%,rgba(10,22,51,0) 72%)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chip{display:inline-block;background:rgba(255,255,255,.92);color:var(--ink);font-size:.82rem;font-weight:600;padding:8px 14px;border-radius:999px;border:1px solid var(--line);box-shadow:0 4px 14px rgba(15,35,80,.12)}

/* ================= 追加：痛点轮播 ================= */
.pain-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 22px}
.ptab{border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:.85rem;font-weight:600;padding:9px 16px;border-radius:999px;cursor:pointer;transition:all .15s}
.ptab.on{background:var(--brand);border-color:var(--brand);color:#fff}
.pain-stage{min-height:230px}
.pain-more{text-align:center;margin-top:26px}

/* ================= 追加：客户故事卡片（首页） ================= */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:960px){.case-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.case-grid{grid-template-columns:1fr}}
.case-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .18s,box-shadow .18s;display:block}
.case-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(15,35,80,.14)}
.case-img{position:relative;height:170px;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;display:block}
.case-tag{position:absolute;left:12px;top:12px;background:rgba(10,22,51,.82);color:#fff;font-size:.74rem;font-weight:600;padding:5px 10px;border-radius:999px}
.case-body{padding:16px 18px 18px}
.case-body h4{font-size:1rem;margin:0 0 8px;color:var(--ink)}
.case-body p{font-size:.85rem;color:var(--ink-2);line-height:1.7;margin:0 0 12px}
.case-nums{display:flex;flex-wrap:wrap;gap:8px}
.case-nums span{font-size:.72rem;color:var(--ink-3);background:var(--paper,#F4F7FC);border-radius:8px;padding:5px 9px}
.case-nums b{color:var(--brand);margin-right:4px}
.case-note{font-size:.8rem;color:var(--ink-3);margin-top:16px;line-height:1.7}

/* ================= 追加：算法总览页 ================= */
.opt-grid .pcard{display:block}
.metrics.m5{grid-template-columns:repeat(5,1fr)}
@media(max-width:960px){.metrics.m5{grid-template-columns:repeat(2,1fr)}}

/* ================= 追加：通用补充 ================= */
.btn.btn-sm{padding:9px 18px;font-size:.84rem}
.nav-cta{margin-left:18px;flex:none;white-space:nowrap}
.footer{border-top:1px solid var(--line);background:#fff}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.plead{font-size:1rem;color:var(--ink-2);line-height:1.9;max-width:720px}

/* ================= 悬浮联系按钮 ================= */
.fabc{position:fixed;right:18px;bottom:96px;z-index:900;display:flex;flex-direction:column;gap:10px}
.fabc a,.fabc button{width:52px;height:52px;border-radius:14px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(15,35,80,.18);background:#fff;color:var(--brand);transition:transform .15s,background .15s;position:relative}
.fabc a:hover,.fabc button:hover{transform:translateY(-2px);background:#eef4ff}
.fabc svg{width:24px;height:24px}
.fabc .fab-tip{position:absolute;right:60px;top:50%;transform:translateY(-50%);white-space:nowrap;background:var(--ink);color:#fff;font-size:.78rem;padding:6px 10px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .15s}
.fabc a:hover .fab-tip,.fabc button:hover .fab-tip{opacity:1}
.fab-qr{position:fixed;right:82px;bottom:96px;z-index:901;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 32px rgba(15,35,80,.22);padding:14px;display:none;width:186px;text-align:center}
.fab-qr.show{display:block}
.fab-qr img{width:156px;border-radius:10px;border:1px solid var(--line);display:block;margin:0 auto}
.fab-qr p{margin:8px 0 0;font-size:.75rem;color:var(--ink-2)}
.fab-qr .fab-x{position:absolute;top:6px;right:8px;border:none;background:none;font-size:14px;color:var(--ink-3);cursor:pointer}
@media(max-width:760px){.fabc{right:12px;bottom:84px}.fab-qr{right:70px}}