/* ============================================================
   云科智能 · 官网公共样式 v2（对标微盟/有赞/微积木结构，原创实现）
   设计系统：商务蓝白（有赞式大厂相）+ 橙色行动色（仅 CTA）
   字体：全系统字体（规避 Google Fonts 国内被墙），数字用等宽
   ============================================================ */
:root{
  --bg:#FAFBFD; --surface:#FFFFFF; --surface2:#F1F5FB;
  --ink:#152238; --muted:#5B6B84;
  --blue:#1D4ED8; --blue-deep:#12359B; --blue-soft:#EAF0FE;
  --accent:#E8590C; --accent-deep:#D24E08; --accent-soft:#FFF1E8;
  --ok:#0F9D6C;
  --line:#E3E9F2; --line-strong:#C9D6EA;
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:Consolas,"Courier New",monospace;
  --r-md:12px; --r-lg:16px; --r-xl:20px;
  --shadow-1:0 2px 8px rgba(21,43,84,.06);
  --shadow-2:0 10px 30px rgba(21,43,84,.10);
  --shadow-3:0 28px 70px rgba(21,43,84,.16);
  --ease:cubic-bezier(.16,1,.3,1);
  --dur:320ms;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.7;font-size:15px;overflow-x:hidden}
::selection{background:rgba(29,78,216,.16)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:14px}
img,svg{display:block;max-width:100%}
main{position:relative;z-index:2}
.wrap{width:min(1180px,92%);margin:0 auto}

/* ===== 氛围层 ===== */
.atmo{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(52rem 36rem at 12% -8%, rgba(29,78,216,.09), transparent 58%),
    radial-gradient(44rem 32rem at 98% 4%, rgba(232,89,12,.05), transparent 55%)}
.dots{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(21,43,84,.10) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:radial-gradient(70rem 40rem at 80% -10%,#000,transparent 70%)}

/* ===== 顶部工具条（三家同款结构）===== */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:12px;position:relative;z-index:55}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;gap:12px}
.topbar b{color:#fff;font-weight:500}
.topbar a{transition:color var(--dur) var(--ease)}
.topbar a:hover{color:#FFB27A}
.topbar .tb-right{display:flex;gap:18px;align-items:center}
.tb-tel{font-family:var(--mono);font-weight:700;color:#FFB27A!important;letter-spacing:.03em}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,251,253,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:26px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:17px;letter-spacing:.05em}
.logo .mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:15px;font-weight:900;
  background:linear-gradient(135deg,var(--blue),#3B82F6);box-shadow:0 6px 16px rgba(29,78,216,.35)}
.logo small{display:block;font-family:var(--mono);font-size:9px;color:var(--muted);letter-spacing:.2em;line-height:1;margin-top:2px}
.nav-links{display:flex;gap:2px;margin-left:auto}
.nav-links a{padding:10px 15px;border-radius:9px;font-size:13.5px;color:var(--muted);font-weight:500;transition:all var(--dur) var(--ease)}
.nav-links a:hover{color:var(--blue);background:var(--blue-soft)}
.nav-links a.on{color:var(--blue);font-weight:700}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-tel{font-family:var(--mono);font-size:13px;color:var(--blue);font-weight:700}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:10px;font-size:14px;font-weight:700;cursor:pointer;border:none;transition:all var(--dur) var(--ease)}
.btn-cta{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(232,89,12,.32)}
.btn-cta:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 12px 30px rgba(232,89,12,.4)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(29,78,216,.3)}
.btn-blue:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-line{background:var(--surface);border:1px solid var(--line-strong);color:var(--ink)}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{font-size:15.5px;padding:0 30px;min-height:50px}

/* ===== Hero ===== */
.hero{padding:80px 0 88px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--blue-soft);color:var(--blue);
  font-size:12px;font-weight:700;letter-spacing:.1em;border:1px solid #C7D8F8;border-radius:999px;padding:6px 16px;margin-bottom:22px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--blue)}
h1{font-size:clamp(38px,5vw,60px);line-height:1.1;font-weight:900;letter-spacing:-.02em;margin-bottom:20px}
h1 .mark{color:var(--blue);position:relative;white-space:nowrap}
h1 .mark::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:12px;background:rgba(29,78,216,.14);z-index:-1;border-radius:3px}
.hero-sub{color:var(--muted);font-size:16.5px;max-width:46ch;margin-bottom:34px}
.hero-sub b{color:var(--text,var(--ink))}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.trust{display:flex;gap:20px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.trust span{display:inline-flex;align-items:center;gap:7px}
.trust i{width:16px;height:16px;border-radius:50%;background:#E3F5EE;color:var(--ok);display:grid;place-items:center;font-style:normal;font-size:9px}

/* Hero 产品界面 mockup（纯 CSS/SVG） */
.mock-zone{position:relative}
.mock{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-3)}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface2)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#D6DEEB}
.mock-bar .url{margin-left:10px;flex:1;font-family:var(--mono);font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 12px}
.mock-body{display:grid;grid-template-columns:150px 1fr;min-height:318px}
.mock-side{border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:4px;background:#FBFCFE}
.mock-side span{font-size:11.5px;color:var(--muted);padding:8px 10px;border-radius:8px}
.mock-side span.on{background:var(--blue-soft);color:var(--blue);font-weight:700}
.mock-main{padding:18px}
.mock-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.mchip{background:#FBFCFE;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.mchip b{font-family:var(--mono);font-size:18px;color:var(--blue);font-variant-numeric:tabular-nums}
.mchip span{display:block;font-size:10px;color:var(--muted)}
.mock-chart{background:#FBFCFE;border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:12px}
.mock-rows{display:flex;flex-direction:column;gap:8px}
.mrow{display:flex;align-items:center;gap:10px;background:#FBFCFE;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:11px;color:var(--muted)}
.mrow b{color:var(--ink);font-weight:500}
.mrow .dot{width:7px;height:7px;border-radius:50%}
.mrow .pill{margin-left:auto;font-family:var(--mono);font-size:9.5px;padding:2px 9px;border-radius:999px}
.pill.dev{background:#EEF2FF;color:#4356C9}
.pill.acc{background:var(--accent-soft);color:#C24A0C}
.pill.done{background:#E3F5EE;color:#0B7A54}
.fcard{position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-2)}
.fcard small{display:block;font-size:10px;color:var(--muted)}
.fcard b{font-family:var(--mono);font-size:19px;color:var(--blue);font-variant-numeric:tabular-nums}
.fcard.hot b{color:var(--accent)}
.fc1{top:-18px;right:-14px;animation:float 5.2s ease-in-out infinite}
.fc2{bottom:-16px;left:-18px;animation:float 5.2s ease-in-out 1.4s infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ===== 数字背书带（社会证明，有赞式）===== */
.band{background:linear-gradient(120deg,var(--blue-deep),var(--blue));color:#fff}
.band-in{display:grid;grid-template-columns:repeat(4,1fr)}
.band-cell{padding:36px 10px;text-align:center;border-left:1px solid rgba(255,255,255,.16)}
.band-cell:first-child{border-left:none}
.band-cell b{font-family:var(--mono);font-size:42px;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.band-cell b em{font-style:normal;font-size:20px;opacity:.75}
.band-cell span{display:block;font-size:12.5px;opacity:.78;letter-spacing:.1em;margin-top:4px}

/* ===== 区块通用 ===== */
.sec{padding:92px 0}
.sec-alt{background:var(--surface2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:46px}
.sec-head .kicker{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--blue);margin-bottom:12px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:900;letter-spacing:-.01em;line-height:1.25}
.sec-head p{color:var(--muted);margin-top:12px;max-width:62ch}
.sec-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.sec-head.center{text-align:center}
.sec-head.center p{margin-left:auto;margin-right:auto}

/* ===== 产品矩阵卡（微盟式系列命名）===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;transition:all var(--dur) var(--ease);box-shadow:var(--shadow-1);overflow:hidden}
.prod::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--blue),#60A5FA);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.prod:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.prod:hover::after{transform:scaleX(1)}
.prod .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;background:var(--blue-soft);color:var(--blue)}
.prod .series{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);margin-bottom:4px}
.prod h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.prod p{font-size:12.5px;color:var(--muted);flex:1}
.prod .meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.prod .price{font-family:var(--mono);font-size:12px;color:var(--blue);font-weight:700}
.prod .links{display:flex;gap:8px}
.prod .links a{font-size:11.5px;font-weight:700;padding:5px 11px;border-radius:7px;border:1px solid var(--line-strong);transition:all var(--dur) var(--ease)}
.prod .links a:hover{border-color:var(--blue);color:var(--blue)}
.prod .links a.try{background:var(--accent);border-color:var(--accent);color:#fff}
.prod .links a.try:hover{background:var(--accent-deep);color:#fff}

/* ===== 优势区（微积木式「强大功能，信心之选」）===== */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.adv{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-1);transition:all var(--dur) var(--ease)}
.adv:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.adv .no{font-family:var(--mono);font-size:12px;color:var(--blue);font-weight:700;letter-spacing:.1em;margin-bottom:10px;display:block}
.adv h3{font-size:16px;font-weight:700;margin-bottom:8px}
.adv p{font-size:13px;color:var(--muted)}

/* ===== 行业方案（微盟式手风琴）===== */
.ind-list{max-width:880px;margin:0 auto}
.ind-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1)}
.ind-item .ind-head{width:100%;display:flex;align-items:center;gap:14px;padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left}
.ind-item .ind-head .ic{width:40px;height:40px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;flex:none}
.ind-item .ind-head h3{font-size:15.5px;font-weight:700;flex:1}
.ind-item .ind-head .price{font-family:var(--mono);font-size:12.5px;color:var(--accent);font-weight:700}
.ind-item .ind-head .arr{color:var(--muted);transition:transform var(--dur) var(--ease)}
.ind-item.open .ind-head .arr{transform:rotate(180deg)}
.ind-body{display:none;padding:0 24px 22px;border-top:1px dashed var(--line)}
.ind-item.open .ind-body{display:block}
.ind-body .pain{font-size:13px;color:var(--muted);margin:16px 0 12px}
.ind-body .pain b{color:var(--ink)}
.ind-body .feats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.ind-body .feats span{font-size:12px;background:var(--blue-soft);color:var(--blue-deep);border-radius:999px;padding:4px 13px;font-weight:500}
.ind-body .ind-acts{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.ind-body .combo{font-size:12.5px;color:var(--muted)}
.ind-body .combo b{font-family:var(--mono);color:var(--accent);font-size:14px}

/* ===== 产品体验（微积木式「我要体验」）===== */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.demo-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:all var(--dur) var(--ease)}
.demo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.demo-shot{height:190px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.demo-shot .ds-bar{display:flex;gap:6px;padding:10px 14px;background:var(--surface2);border-bottom:1px solid var(--line)}
.demo-shot .ds-bar i{width:9px;height:9px;border-radius:50%;background:#D6DEEB}
.demo-shot .ds-body{padding:16px;display:grid;grid-template-columns:96px 1fr;gap:12px;height:calc(100% - 38px)}
.demo-shot .ds-side{background:#FBFCFE;border:1px solid var(--line);border-radius:10px;padding:8px;display:flex;flex-direction:column;gap:6px}
.demo-shot .ds-side i{height:8px;border-radius:4px;background:var(--line)}
.demo-shot .ds-side i.on{background:var(--blue-soft)}
.demo-shot .ds-main{display:flex;flex-direction:column;gap:8px}
.demo-shot .ds-main .row{flex:1;background:#FBFCFE;border:1px solid var(--line);border-radius:8px}
.demo-shot .ds-main .row.hl{background:var(--blue-soft);border-color:#C7D8F8}
.demo-card .demo-info{padding:22px 24px}
.demo-card h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.demo-card p{font-size:13px;color:var(--muted);margin-bottom:16px}
.demo-card .demo-acts{display:flex;gap:10px;flex-wrap:wrap}
.demo-note{text-align:center;font-size:12.5px;color:var(--muted);margin-top:18px}
.demo-note b{color:var(--ink)}

/* ===== 设备商城 ===== */
.dev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dev-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow-1);transition:all var(--dur) var(--ease)}
.dev-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.dev-ic{width:56px;height:56px;border-radius:14px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;flex:none}
.dev-card h4{font-size:14.5px;font-weight:700}
.dev-card p{font-size:12px;color:var(--muted)}
.dev-card .btn{margin-left:auto;flex:none;min-height:38px;padding:0 16px;font-size:12.5px}

/* ===== 案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-1)}
.case .ph{position:absolute;top:14px;right:14px;font-family:var(--mono);font-size:9.5px;color:var(--muted);border:1px dashed var(--line-strong);border-radius:999px;padding:3px 10px;background:#fff}
.case .quote{font-size:15px;font-weight:500;line-height:1.8;margin-bottom:20px}
.case .quote em{font-style:normal;color:var(--blue);background:linear-gradient(transparent 65%,rgba(29,78,216,.14) 65%)}
.case .who{display:flex;align-items:center;gap:12px}
.case .ava{width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:14px}
.case .who b{display:block;font-size:13.5px}
.case .who span{font-size:11.5px;color:var(--muted)}
.case .res{margin-left:auto;text-align:right}
.case .res b{font-family:var(--mono);font-size:20px;color:var(--accent)}
.case .res span{display:block;font-size:10.5px;color:var(--muted)}

/* ===== 服务保障 ===== */
.gua-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gua{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;text-align:center;box-shadow:var(--shadow-1)}
.gua .ic{width:48px;height:48px;margin:0 auto 12px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center}
.gua h4{font-size:14.5px;font-weight:700;margin-bottom:6px}
.gua p{font-size:12px;color:var(--muted)}

/* ===== 五步流程 ===== */
.steps5{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:st}
.stp{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 18px;position:relative;box-shadow:var(--shadow-1);counter-increment:st}
.stp::before{content:"0" counter(st);font-family:var(--mono);font-size:13px;font-weight:700;color:var(--blue);display:block;margin-bottom:10px}
.stp h4{font-size:14.5px;font-weight:700;margin-bottom:6px}
.stp p{font-size:12px;color:var(--muted)}
.stp.hot{border-color:var(--accent);background:var(--accent-soft)}
.stp.hot::before{color:var(--accent)}

/* ===== 需求单 ===== */
.need-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.need-side h3{font-size:22px;font-weight:900;margin-bottom:12px}
.need-side p{color:var(--muted);font-size:14px;margin-bottom:20px}
.need-side .ns-tel{display:inline-flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line-strong);border-radius:12px;padding:14px 20px;font-family:var(--mono);font-size:17px;font-weight:700;color:var(--blue);box-shadow:var(--shadow-1)}
.need-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--shadow-2)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f-field{margin-bottom:14px}
.f-field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:500}
.f-field input,.f-field select,.f-field textarea{width:100%;padding:11px 14px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--ink);transition:border-color var(--dur) var(--ease)}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{border-color:var(--blue);outline:none}
.f-field textarea{min-height:88px;resize:vertical}
.f-receipt{display:none;background:#E3F5EE;border:1px solid #BFE6D4;color:#0B6B49;border-radius:12px;padding:16px 18px;font-size:13px;margin-top:14px}
.f-receipt.show{display:block}
.f-receipt b{font-family:var(--mono)}

/* ===== 底部 CTA 带 ===== */
.cta-band{background:linear-gradient(130deg,var(--blue-deep) 0%,var(--blue) 55%,#2F6BE4 100%);color:#fff;
  border-radius:var(--r-xl);padding:56px 48px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-3)}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%);top:-180px;right:-120px}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);font-weight:900;margin-bottom:12px;position:relative}
.cta-band p{opacity:.85;margin-bottom:30px;position:relative}
.cta-acts{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;position:relative}
.cta-acts .btn-line{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}
.cta-acts .btn-line:hover{border-color:#fff;color:#fff}

/* ===== Footer（三家式大 footer）===== */
footer{background:#0E1B33;color:rgba(255,255,255,.62);padding:56px 0 44px;font-size:12.5px;position:relative;z-index:2}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
footer h5{color:#fff;font-size:13.5px;margin-bottom:14px;font-weight:700}
footer li{list-style:none;margin-bottom:9px}
footer a:hover{color:#FFB27A}
.foot-logo{display:flex;align-items:center;gap:10px;font-weight:900;color:#fff;font-size:16px;margin-bottom:12px}
.foot-logo .mark{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#3B82F6);font-size:14px;color:#fff}
.foot-tel{font-family:var(--mono);font-size:18px;color:#FFB27A;font-weight:700}
.foot-base{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:10.5px}

/* ===== 浮动联系条（微积木在线客服式）===== */
.float-contact{position:fixed;right:20px;bottom:24px;z-index:80;display:flex;flex-direction:column;gap:10px}
.float-contact a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;min-width:48px;border-radius:999px;
  font-size:13px;font-weight:700;box-shadow:var(--shadow-2);transition:all var(--dur) var(--ease)}
.fc-phone{background:var(--accent);color:#fff;padding:0 20px}
.fc-phone:hover{background:var(--accent-deep);transform:translateY(-2px)}
.fc-top{background:var(--surface);border:1px solid var(--line-strong);color:var(--muted)}
.fc-top:hover{color:var(--blue);border-color:var(--blue)}

/* ===== 页头（内页）===== */
.page-hero{background:linear-gradient(130deg,var(--blue-deep),var(--blue) 60%,#2F6BE4);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 65%);top:-150px;right:-100px}
.page-hero .crumb{font-size:12px;opacity:.75;margin-bottom:14px;font-family:var(--mono);letter-spacing:.06em}
.page-hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:10px}
.page-hero p{opacity:.85;max-width:60ch}
.page-hero .ph-acts{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.page-hero .btn-line{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}
.page-hero .btn-line:hover{border-color:#fff;color:#fff}

/* ===== 入场编排与动效 ===== */
.reveal{opacity:0;transform:translateY(26px)}
.reveal.in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.d1{transition-delay:80ms}.reveal.d2{transition-delay:160ms}.reveal.d3{transition-delay:240ms}
.hero .eyebrow{opacity:0;animation:in .7s var(--ease) .1s forwards}
.hero h1{opacity:0;animation:in .7s var(--ease) .2s forwards}
.hero .hero-sub{opacity:0;animation:in .7s var(--ease) .32s forwards}
.hero .hero-acts{opacity:0;animation:in .7s var(--ease) .44s forwards}
.hero .trust{opacity:0;animation:in .7s var(--ease) .56s forwards}
.hero .mock-zone{opacity:0;animation:in .9s var(--ease) .4s forwards}
@keyframes in{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.hero .eyebrow,.hero h1,.hero .hero-sub,.hero .hero-acts,.hero .trust,.hero .mock-zone{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .prod-grid{grid-template-columns:1fr 1fr}
  .adv-grid{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr}
  .dev-grid{grid-template-columns:1fr 1fr}
  .gua-grid{grid-template-columns:1fr 1fr}
  .steps5{grid-template-columns:1fr 1fr}
  .need-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .demo-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav-links{display:none}
  .topbar .tb-left{display:none}
  .band-in{grid-template-columns:1fr 1fr}
  .band-cell:nth-child(3){border-left:none;border-top:1px solid rgba(255,255,255,.16)}
  .band-cell:nth-child(4){border-top:1px solid rgba(255,255,255,.16)}
  .prod-grid,.adv-grid,.dev-grid,.gua-grid,.steps5,.f-row{grid-template-columns:1fr}
  .fc1{right:6px}.fc2{left:6px}
  .cta-band{padding:44px 22px}
  .sec{padding:64px 0}
}

/* ===== 首页大 banner 轮播（对标三家首屏大 banner，原创实现）===== */
.hero-carousel{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(130deg,#0E1B33,#12359B 58%,#1D4ED8)}
.hero-carousel::before{content:"";position:absolute;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 62%);top:-190px;right:-130px;pointer-events:none;z-index:1}
.hero-carousel::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.32;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:30px 30px;
  -webkit-mask-image:radial-gradient(46rem 30rem at 78% 18%,#000,transparent 72%);
  mask-image:radial-gradient(46rem 30rem at 78% 18%,#000,transparent 72%)}
.hc-slide{display:none;position:relative;z-index:2;padding:66px 0 78px}
.hc-slide.on{display:block;animation:hcIn .65s var(--ease)}
@keyframes hcIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hc-in{width:min(1180px,92%);margin:0 auto;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hc-visual{position:relative}
/* 深色底上的覆盖 */
.hc-slide .eyebrow{background:rgba(255,255,255,.13);color:#fff}
.hc-slide .eyebrow i{background:#FFB27A}
.hc-slide h1{color:#fff}
.hc-slide h1 .mark{color:#FFB27A;background:none;-webkit-text-fill-color:#FFB27A}
.hc-slide .hero-sub{color:rgba(255,255,255,.8)}
.hc-slide .hero-sub b{color:#fff}
.hc-slide .trust span{color:rgba(255,255,255,.85)}
.hc-slide .trust i{background:rgba(255,255,255,.16);color:#7EE2B0}
.hc-slide .btn-line{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32);color:#fff}
.hc-slide .btn-line:hover{border-color:#fff;color:#fff}
/* 幻灯2：产品 chips */
.hc-chips{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hc-chip{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:14px 16px;backdrop-filter:blur(6px)}
.hc-chip .ic{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.14);display:grid;place-items:center;color:#FFB27A;flex:none;font-size:17px;font-weight:700}
.hc-chip b{display:block;font-size:13.5px}
.hc-chip span{font-size:11px;color:rgba(255,255,255,.62)}
/* 幻灯3：数字墙 */
.hc-nums{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hc-num{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:22px 20px;backdrop-filter:blur(6px)}
.hc-num b{display:block;font-family:var(--mono);font-size:36px;font-weight:700;font-variant-numeric:tabular-nums;color:#FFB27A;line-height:1.15}
.hc-num span{font-size:12px;color:rgba(255,255,255,.72)}
/* 控制条 */
.hc-ctrl{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:6;display:flex;align-items:center;gap:12px}
.hc-dots{display:flex;gap:8px}
.hc-dot{width:26px;height:5px;border-radius:999px;background:rgba(255,255,255,.28);border:none;cursor:pointer;padding:0;transition:all var(--dur) var(--ease)}
.hc-dot.on{background:#fff;width:42px}
.hc-arrow{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:14px;cursor:pointer;transition:background .2s;display:grid;place-items:center;padding:0}
.hc-arrow:hover{background:rgba(255,255,255,.24)}
/* 幻灯入场编排（沿用 hero 的节奏） */
.hc-slide.on .eyebrow{opacity:0;animation:in .7s var(--ease) .08s forwards}
.hc-slide.on h1{opacity:0;animation:in .7s var(--ease) .16s forwards}
.hc-slide.on .hero-sub{opacity:0;animation:in .7s var(--ease) .28s forwards}
.hc-slide.on .hero-acts{opacity:0;animation:in .7s var(--ease) .4s forwards}
.hc-slide.on .trust{opacity:0;animation:in .7s var(--ease) .52s forwards}
.hc-slide.on .hc-visual{opacity:0;animation:in .9s var(--ease) .34s forwards}
@media (max-width:1020px){
  .hc-in{grid-template-columns:1fr;gap:40px}
  .hc-visual{max-width:520px;margin:0 auto;width:100%}
}
@media (max-width:680px){
  .hc-slide{padding:48px 0 70px}
  .hc-chips{grid-template-columns:1fr}
  .hc-nums{grid-template-columns:1fr 1fr}
}

/* ===== v2.1 补强：对标微盟/有赞的缺失区块（原创实现） ===== */
/* A. 圆形产品快捷矩阵（有赞式） */
.qgrid{display:flex;flex-wrap:wrap;justify-content:center;gap:26px 18px}
.qcell{display:flex;flex-direction:column;align-items:center;gap:9px;width:104px;text-align:center;transition:transform var(--dur) var(--ease)}
.qcell:hover{transform:translateY(-4px)}
.qcell .qic{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:24px;font-weight:700;
  background:linear-gradient(135deg,var(--blue),#3B82F6);box-shadow:0 8px 18px rgba(29,78,216,.22);transition:all var(--dur) var(--ease)}
.qcell:hover .qic{box-shadow:0 12px 26px rgba(29,78,216,.34)}
.qcell .qic.qo{background:linear-gradient(135deg,#F97316,#FB923C);box-shadow:0 8px 18px rgba(249,115,22,.24)}
.qcell .qic.qg{background:linear-gradient(135deg,#0F9D6C,#34D399);box-shadow:0 8px 18px rgba(15,157,108,.22)}
.qcell .qic.qv{background:linear-gradient(135deg,#7C3AED,#A78BFA);box-shadow:0 8px 18px rgba(124,58,237,.22)}
.qcell .qic.qt{background:linear-gradient(135deg,#0E7490,#22B8CF);box-shadow:0 8px 18px rgba(14,116,144,.22)}
.qcell b{font-size:12.5px;color:var(--ink)}
.qcell span{font-size:10px;color:var(--muted);font-family:var(--mono);letter-spacing:.04em}

/* B. AI 技术团队专区（微盟 AI 应用 / 有赞 AGI 变体） */
.ai-sec{background:linear-gradient(135deg,#0B1530,#122457 55%,#1D4ED8);color:#fff;position:relative;overflow:hidden}
.ai-sec::before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.13),transparent 62%);top:-160px;right:-110px}
.ai-sec .kicker{color:#9DB8F5}
.ai-sec h2,.ai-sec h3{color:#fff}
.ai-sec .sec-head p{color:rgba(255,255,255,.75)}
.ai-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.ai-tab{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:rgba(255,255,255,.85);
  border-radius:999px;padding:9px 22px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.ai-tab.on{background:#fff;color:var(--blue-deep);border-color:#fff;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.ai-pane{display:none}
.ai-pane.on{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;animation:hcIn .5s var(--ease)}
.ai-copy h3{font-size:21px;margin-bottom:12px}
.ai-copy>p{color:rgba(255,255,255,.78);font-size:14px;margin-bottom:18px;max-width:52ch}
.ai-list{display:flex;flex-direction:column;gap:11px}
.ai-list li{list-style:none;display:flex;gap:11px;font-size:13.5px;color:rgba(255,255,255,.88);line-height:1.7}
.ai-list li i{flex:none;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.14);color:#FFB27A;
  display:grid;place-items:center;font-size:11px;font-style:normal;margin-top:2px}
.ai-visual{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:22px;backdrop-filter:blur(8px)}
.ai-term{font-family:var(--mono);font-size:11.5px;line-height:2.05;background:#0A1226;border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:16px 18px;color:#8FE3B5;white-space:pre-wrap;min-height:210px}
.ai-term .tcmd{color:#7EB8FF}.ai-term .tcmt{color:#5E6E96}
.ai-stat-row{display:flex;gap:10px;margin-top:14px}
.ai-stat{flex:1;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:12px 10px;text-align:center}
.ai-stat b{display:block;font-family:var(--mono);font-size:20px;color:#FFB27A;font-variant-numeric:tabular-nums}
.ai-stat span{font-size:10.5px;color:rgba(255,255,255,.62)}

/* C. 首页案例摘要（有赞案例墙变体） */
.csm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.csm-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 24px 20px;
  box-shadow:var(--shadow-1);transition:all var(--dur) var(--ease);display:flex;flex-direction:column}
.csm-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.csm-card .ind{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--blue);background:var(--blue-soft);
  align-self:flex-start;border-radius:999px;padding:3px 11px;margin-bottom:12px}
.csm-card h3{font-size:15.5px;margin-bottom:8px}
.csm-card p{font-size:12.5px;color:var(--muted);line-height:1.75;flex:1}
.csm-nums{display:flex;gap:22px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.csm-nums div b{display:block;font-family:var(--mono);font-size:22px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.csm-nums div span{font-size:10.5px;color:var(--muted)}

/* D. 资源中心（有赞式 4 卡） */
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.res-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--shadow-1);transition:all var(--dur) var(--ease)}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.res-card .ric{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:21px;margin-bottom:14px;background:var(--blue-soft);color:var(--blue)}
.res-card:nth-child(2) .ric{background:var(--accent-soft);color:var(--accent)}
.res-card:nth-child(3) .ric{background:#E3F5EE;color:#0B7A54}
.res-card:nth-child(4) .ric{background:#EDE9FE;color:#6D28D9}
.res-card h3{font-size:15px;margin-bottom:8px}
.res-card>p{font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:14px}
.res-card ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.res-card ul a{font-size:12.5px;color:var(--ink);display:flex;align-items:center;gap:7px;transition:color .15s}
.res-card ul a::before{content:"›";color:var(--blue);font-weight:700}
.res-card ul a:hover{color:var(--blue)}

/* E. 云科技术底座（微盟 WOS 变体） */
.base-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.base-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px 20px;transition:all var(--dur) var(--ease)}
.base-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px)}
.base-card .bic{width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:19px;margin-bottom:13px;color:#FFB27A}
.base-card h3{font-size:14.5px;margin-bottom:7px;color:#fff}
.base-card p{font-size:12px;color:rgba(255,255,255,.65);line-height:1.7}
.base-card code{font-family:var(--mono);font-size:10px;color:#9DB8F5;letter-spacing:.08em;display:block;margin-top:10px}

/* F. 资质徽章行（有赞资质墙变体 · 全部真实可查） */
.cert-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:30px}
.cert-pill{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--surface);
  border-radius:999px;padding:10px 20px;font-size:12.5px;color:var(--muted);box-shadow:var(--shadow-1)}
.cert-pill i{width:20px;height:20px;border-radius:50%;background:#E3F5EE;color:#0B7A54;display:grid;place-items:center;font-size:11px;font-style:normal}
.cert-pill b{color:var(--ink);font-weight:600}

/* G. 导航下拉（微盟 mega menu 简化版） */
.nav-drop-wrap{position:relative}
.nav-drop{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);width:430px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-3);padding:16px;
  display:grid;grid-template-columns:1fr 1fr;gap:4px;opacity:0;visibility:hidden;transition:all .22s var(--ease);z-index:60}
.nav-drop-wrap:hover .nav-drop,.nav-drop-wrap:focus-within .nav-drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-drop a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;font-size:12.5px;color:var(--ink);transition:background .15s}
.nav-drop a:hover{background:var(--blue-soft);color:var(--blue)}
.nav-drop a .di{width:30px;height:30px;border-radius:8px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:14px;flex:none}
.nav-drop a b{display:block;font-size:12.5px;font-weight:600}
.nav-drop a span{display:block;font-size:10px;color:var(--muted)}
.nav-drop .drop-more{grid-column:1/-1;margin-top:6px;border-top:1px dashed var(--line);padding-top:10px;text-align:center;font-size:12px;color:var(--blue);font-weight:700}

@media (max-width:1020px){
  .csm-grid{grid-template-columns:1fr}
  .res-grid,.base-grid{grid-template-columns:1fr 1fr}
  .ai-pane.on{grid-template-columns:1fr;gap:30px}
  .nav-drop{display:none}
}
@media (max-width:680px){
  .res-grid,.base-grid{grid-template-columns:1fr}
  .qcell{width:84px}
  .qcell .qic{width:54px;height:54px;font-size:20px}
}

/* ======== H. 第三版 · 产品详情视图（数据驱动） ======== */
.pd-hero{background:linear-gradient(135deg,#0B1530,#122457 55%,#1D4ED8);color:#fff;padding:64px 0 46px}
.pd-hero .crumb{color:rgba(255,255,255,.55)}
.pd-hero .crumb a{color:rgba(255,255,255,.75)}
.pd-hero h1{color:#fff;font-size:34px;margin:10px 0 8px}
.pd-hero p{color:rgba(255,255,255,.78);max-width:640px;font-size:14.5px;line-height:1.85}
.pd-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:6px 16px;font-size:12px;letter-spacing:.12em;font-family:var(--mono);margin-bottom:14px}
.pd-hero .meta{margin-top:18px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.pd-hero .price{font-size:15px;color:#FFB27A;font-weight:700}
.pd-hero .btn-line{border-color:rgba(255,255,255,.4);color:#fff}
.pd-hero .btn-line:hover{border-color:#fff}
.pd-sec{padding:56px 0}
.pd-sec h2{font-size:24px;margin-bottom:6px}
.pd-sec .sub{color:var(--muted);font-size:13px;margin-bottom:28px}
.pd-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pd-feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-1)}
.pd-feat b{display:flex;align-items:center;gap:9px;font-size:14px;margin-bottom:7px}
.pd-feat b i{font-style:normal;width:30px;height:30px;border-radius:9px;background:var(--blue-soft);color:var(--blue);
  display:grid;place-items:center;font-size:15px;flex:none}
.pd-feat p{font-size:12.5px;color:var(--muted);line-height:1.75}
.pd-scenes{display:flex;gap:10px;flex-wrap:wrap}
.pd-scene{background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:9px 18px;font-size:12.5px;font-weight:600}
.pd-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.pd-table th,.pd-table td{padding:13px 16px;font-size:12.8px;text-align:center;border-bottom:1px solid var(--line)}
.pd-table th{background:var(--bg);font-size:12.5px;color:var(--muted);font-weight:600}
.pd-table th:first-child,.pd-table td:first-child{text-align:left;font-weight:600;color:var(--ink)}
.pd-table tr:last-child td{border-bottom:none}
.pd-table .hot{background:var(--blue-soft)}
.pd-table .col-hot th{background:var(--blue-soft);color:var(--blue)}
.pd-price-head{text-align:center}
.pd-price-head b{display:block;font-size:16px}
.pd-price-head span{font-size:11px;color:var(--muted);font-weight:400}
.pd-price-head .pnow{display:block;font-family:var(--mono);font-size:19px;color:var(--blue);font-weight:700;margin:4px 0 10px}
.pd-faqs{max-width:760px;margin:0 auto}
.pd-faq{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:10px;overflow:hidden}
.pd-faq>button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;
  padding:15px 18px;font-size:13.5px;font-weight:600;color:var(--ink);background:none;border:none;cursor:pointer}
.pd-faq>button::after{content:"+";font-size:17px;color:var(--blue);transition:transform .2s}
.pd-faq.open>button::after{transform:rotate(45deg)}
.pd-faq .ans{display:none;padding:0 18px 15px;font-size:12.8px;color:var(--muted);line-height:1.85}
.pd-faq.open .ans{display:block}

/* ======== I. 帮助中心 ======== */
.faq-hero{background:linear-gradient(135deg,#0B1530,#122457 60%,#16307A);color:#fff;padding:64px 0 52px;text-align:center}
.faq-hero h1{color:#fff;font-size:32px;margin-bottom:10px}
.faq-hero p{color:rgba(255,255,255,.72);font-size:13.5px}
.faq-search{max-width:560px;margin:26px auto 0;display:flex;gap:10px}
.faq-search input{flex:1;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff;
  border-radius:12px;padding:13px 18px;font-size:14px;outline:none}
.faq-search input::placeholder{color:rgba(255,255,255,.5)}
.faq-search button{border:none;background:#fff;color:var(--blue-deep);border-radius:12px;padding:0 22px;font-weight:700;cursor:pointer}
.faq-cats{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin:34px 0 30px}
.faq-cats button{border:1px solid var(--line-strong);background:#fff;color:var(--muted);border-radius:999px;
  padding:9px 20px;font-size:13px;font-weight:600;cursor:pointer;transition:all var(--dur) var(--ease)}
.faq-cats button.on{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(29,78,216,.28)}
.faq-grid{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:13px;background:var(--surface);margin-bottom:11px;overflow:hidden;
  box-shadow:var(--shadow-1)}
.faq-item.hide{display:none}
.faq-item>button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;
  padding:16px 20px;font-size:14px;font-weight:600;color:var(--ink);background:none;border:none;cursor:pointer}
.faq-item>button .fcat{font-size:10px;font-family:var(--mono);color:var(--blue);background:var(--blue-soft);
  border-radius:999px;padding:2px 10px;flex:none;margin-right:6px}
.faq-item>button::after{content:"+";font-size:18px;color:var(--blue);transition:transform .2s}
.faq-item.open>button::after{transform:rotate(45deg)}
.faq-item .ans{display:none;padding:0 20px 16px;font-size:13px;color:var(--muted);line-height:1.9}
.faq-item.open .ans{display:block}
.faq-empty{text-align:center;color:var(--muted);padding:40px 0;font-size:13.5px;display:none}

/* ======== J. 首页需求单 · 智能分诊推荐 ======== */
.reco{display:none;margin-top:14px;background:var(--blue-soft);border:1px dashed var(--blue);border-radius:12px;padding:14px 16px}
.reco.show{display:block;animation:hcIn .4s var(--ease)}
.reco .rt{font-size:11px;font-family:var(--mono);letter-spacing:.1em;color:var(--blue);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.reco .rt::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);animation:pulse 1.4s infinite}
.reco-item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:7px 0;font-size:12.5px}
.reco-item b{color:var(--ink)}
.reco-item span{font-family:var(--mono);color:var(--blue);font-weight:700}
.reco-sum{border-top:1px dashed var(--blue);margin-top:8px;padding-top:10px;font-size:12.5px;color:var(--ink)}
.reco-sum b{color:var(--blue)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ======== K. 浮窗快捷问题 ======== */
.cwt-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 8px}
.cwt-chip{border:1px solid var(--line-strong);background:#fff;color:var(--blue);border-radius:999px;
  padding:5px 12px;font-size:11px;font-weight:600;cursor:pointer;transition:all .15s}
.cwt-chip:hover{background:var(--blue-soft);border-color:var(--blue)}

@media (max-width:1020px){
  .pd-feats{grid-template-columns:1fr 1fr}
  .pd-table{display:block;overflow-x:auto}
}
@media (max-width:680px){
  .pd-feats{grid-template-columns:1fr}
  .pd-hero h1{font-size:26px}
}