/* ============ 影擎AI官网 · 深蓝科技风 ============ */
:root{
  --navy-950:#030D1C;
  --navy-900:#041428;
  --navy-800:#071E3C;
  --navy-700:#0B2B55;
  --navy-600:#123A6E;
  --blue:#2E8BFF;
  --blue-deep:#1B5FC4;
  --cyan:#38C6F4;
  --gold:#F5B94B;
  --gold-deep:#D99A22;
  --text:#EAF2FB;
  --text-mute:#9FB4CC;
  --text-dim:#6E86A3;
  --line:rgba(255,255,255,.09);
  --card:rgba(255,255,255,.04);
  --card-hover:rgba(255,255,255,.07);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,sans-serif;
  background:var(--navy-900);color:var(--text);
  line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
/* height:auto 必须保留：<img> 上的 width/height 属性只是"预占位"的宽高比提示，
   若被 max-width 压缩宽度而高度仍取属性值，图片会被压扁变形 */
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(4,20,40,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:700;letter-spacing:1px}
.logo .mark{width:34px;height:34px;flex:none}
.logo b{color:var(--cyan);font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 10px;border-radius:8px;font-size:14px;color:var(--text-mute);
  transition:all .2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:var(--card)}
.nav-links a.active{color:var(--cyan);background:rgba(56,198,244,.1)}
.nav-cta{display:flex;gap:8px;margin-left:8px}
.nav-cta .btn-sm{padding:8px 12px;font-size:13px}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:7px 12px;font-size:14px;cursor:pointer}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:10px;font-size:16px;font-weight:600;
  cursor:pointer;border:none;transition:all .25s;letter-spacing:.5px}
.btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-deep) 100%);color:#fff;
  box-shadow:0 4px 20px rgba(46,139,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(46,139,255,.5)}
.btn-gold{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-deep) 100%);color:#241703;
  box-shadow:0 4px 20px rgba(245,185,75,.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(245,185,75,.45)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:9px 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:110px 0 90px}
.hero-bg{position:absolute;inset:0;background:url("../img/hero-city.jpg") center/cover no-repeat;opacity:.32}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,20,40,.55) 0%,rgba(4,20,40,.2) 45%,var(--navy-900) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:100px;
  border:1px solid rgba(56,198,244,.4);color:var(--cyan);font-size:14px;letter-spacing:2px;margin-bottom:26px}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--cyan);display:inline-block;
  animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:52px;line-height:1.25;font-weight:700;letter-spacing:1px}
.hero h1 .grad{background:linear-gradient(100deg,var(--cyan) 10%,var(--blue) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:19px;color:var(--text-mute);margin:22px 0 36px;max-width:640px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:64px}
.hstat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;backdrop-filter:blur(6px)}
.hstat .num{font-size:34px;font-weight:700;color:var(--cyan);line-height:1.15}
.hstat .num small{font-size:16px;font-weight:500;color:var(--text-mute);margin-left:3px}
.hstat .lbl{font-size:13.5px;color:var(--text-dim);margin-top:6px}

/* ---------- 通用 Section ---------- */
.section{padding:88px 0}
.section.alt{background:var(--navy-950)}
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-tag{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--cyan);
  border:1px solid rgba(56,198,244,.35);border-radius:100px;padding:5px 16px;margin-bottom:18px}
.sec-head h2{font-size:36px;font-weight:700;letter-spacing:1px}
.sec-head p{color:var(--text-mute);margin-top:14px;font-size:16.5px}
.sec-head.left{text-align:left;margin-left:0}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:all .25s}
.card:hover{background:var(--card-hover);border-color:rgba(56,198,244,.35);transform:translateY(-4px)}
.card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.card p{color:var(--text-mute);font-size:14.5px}
.card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;background:rgba(46,139,255,.14);border:1px solid rgba(46,139,255,.3)}
.card .ico.gold{background:rgba(245,185,75,.12);border-color:rgba(245,185,75,.35)}
.card .ico.cyan{background:rgba(56,198,244,.12);border-color:rgba(56,198,244,.35)}

/* ---------- 数据横条 ---------- */
.band{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.band .b{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 14px;text-align:center}
.band .b .num{font-size:28px;font-weight:700;color:var(--cyan)}
.band .b .lbl{font-size:13px;color:var(--text-dim);margin-top:4px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
.tbl th{background:rgba(46,139,255,.12);color:var(--cyan);font-weight:600;text-align:left;
  padding:14px 18px;white-space:nowrap;border-bottom:1px solid var(--line)}
.tbl td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--text-mute)}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:rgba(255,255,255,.03)}
.tbl .hot{color:var(--gold);font-weight:600}

/* ---------- 对比 ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.vs .col{border-radius:var(--radius);padding:32px 30px;border:1px solid var(--line);background:var(--card)}
.vs .col.win{border-color:rgba(56,198,244,.45);background:rgba(46,139,255,.07)}
.vs .col h3{font-size:20px;margin-bottom:18px}
.vs .col ul li{padding:9px 0 9px 26px;position:relative;color:var(--text-mute);font-size:15px;
  border-bottom:1px dashed rgba(255,255,255,.06)}
.vs .col ul li:last-child{border-bottom:none}
.vs .col ul li::before{content:"✕";position:absolute;left:0;color:#E05C5C;font-size:13px;top:11px}
.vs .col.win ul li::before{content:"✓";color:var(--cyan);font-weight:700}

/* ---------- 三步走 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px}
.step .no{font-size:52px;font-weight:800;color:rgba(46,139,255,.25);position:absolute;top:14px;right:22px;line-height:1}
.step h3{font-size:20px;margin-bottom:6px;color:var(--cyan)}
.step .en{font-size:12.5px;letter-spacing:2px;color:var(--text-dim);text-transform:uppercase;margin-bottom:14px}
.step p{color:var(--text-mute);font-size:14.5px}
.step .tag{display:inline-block;margin-top:16px;font-size:13px;color:var(--gold);
  border:1px solid rgba(245,185,75,.4);border-radius:100px;padding:3px 13px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--blue))}
.tl-item{position:relative;padding:0 0 34px 8px}
.tl-item::before{content:"";position:absolute;left:-32px;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--navy-900);border:3px solid var(--cyan)}
.tl-item .date{font-size:14px;color:var(--cyan);font-weight:600;letter-spacing:1px}
.tl-item h4{font-size:18px;margin:4px 0 6px}
.tl-item p{color:var(--text-mute);font-size:14.5px}

/* ---------- 价格卡 ---------- */
.price-card{background:linear-gradient(180deg,rgba(46,139,255,.12),rgba(46,139,255,.03));
  border:1px solid rgba(46,139,255,.4);border-radius:18px;padding:36px 34px;position:relative;overflow:hidden}
.price-card .ribbon{position:absolute;top:18px;right:-34px;transform:rotate(38deg);
  background:var(--gold);color:#241703;font-size:12.5px;font-weight:700;padding:5px 40px;letter-spacing:1px}
.price-card .price{font-size:52px;font-weight:800;color:#fff;line-height:1}
.price-card .price small{font-size:18px;color:var(--text-mute);font-weight:500}
.price-card ul{margin:24px 0 28px}
.price-card ul li{padding:9px 0 9px 28px;position:relative;color:var(--text);font-size:15px;
  border-bottom:1px dashed rgba(255,255,255,.08)}
.price-card ul li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:700}
.price-card .fine{font-size:12.5px;color:var(--text-dim);margin-top:14px}

/* ---------- 图容器 ---------- */
.figure{background:var(--navy-950);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;text-align:center}
.figure img{margin:0 auto;border-radius:10px}
.figure figcaption{font-size:13px;color:var(--text-dim);margin-top:14px}

/* ---------- 风险提示 ---------- */
.risk-box{border:1px solid rgba(224,92,92,.4);background:rgba(224,92,92,.06);
  border-radius:var(--radius);padding:34px 32px}
.risk-box h3{color:#F09595;font-size:20px;margin-bottom:18px}
.risk-box ul li{padding:8px 0 8px 26px;position:relative;color:var(--text-mute);font-size:14.5px}
.risk-box ul li::before{content:"!";position:absolute;left:0;top:8px;width:17px;height:17px;border-radius:50%;
  background:rgba(224,92,92,.25);color:#F09595;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.risk-box .note{margin-top:16px;font-size:13px;color:var(--text-dim);border-top:1px dashed rgba(224,92,92,.3);padding-top:14px}

/* ---------- 表单 ---------- */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:40px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:13.5px;color:var(--text-mute);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:9px;
  padding:12px 15px;color:var(--text);font-size:15px;font-family:inherit;transition:border .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan)}
.field select option{background:var(--navy-800)}
.form-note{font-size:12.5px;color:var(--text-dim);margin-top:14px}

/* ---------- CTA 大条 ---------- */
.cta-band{background:linear-gradient(120deg,rgba(46,139,255,.16),rgba(56,198,244,.08));
  border:1px solid rgba(46,139,255,.35);border-radius:20px;padding:60px 50px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:30px;font-weight:700}
.cta-band p{color:var(--text-mute);margin-top:8px}
.cta-band .acts{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-950);border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.foot-grid h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.foot-grid a,.foot-grid p{display:block;color:var(--text-dim);font-size:13.5px;padding:4px 0}
.foot-grid a:hover{color:var(--cyan)}
.foot-disclaimer{border-top:1px solid var(--line);padding-top:24px;font-size:12.5px;
  color:var(--text-dim);line-height:1.9}
.foot-copy{text-align:center;font-size:12.5px;color:var(--text-dim);margin-top:18px}

/* ---------- 杂项 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-size:13.5px;color:var(--text-mute);border:1px solid var(--line);
  border-radius:100px;padding:6px 16px;background:var(--card)}
.chip.on{color:var(--cyan);border-color:rgba(56,198,244,.4)}
.kv{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.kv:last-child{border-bottom:none}
.kv .k{flex:none;font-size:14px;color:var(--cyan);font-weight:600;width:96px}
.kv .v{font-size:14.5px;color:var(--text-mute)}
.note{font-size:12.5px;color:var(--text-dim);line-height:1.8;margin-top:14px}
.big-num{font-size:40px;font-weight:800;color:var(--cyan);line-height:1.1}
.reveal{opacity:0;transform:translateY(26px);transition:all .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--navy-700);border:1px solid var(--cyan);color:var(--text);
  padding:14px 26px;border-radius:12px;font-size:14.5px;z-index:200;
  opacity:0;transition:all .4s;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero h1{font-size:36px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .band{grid-template-columns:repeat(3,1fr)}
  .vs,.g2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    align-items:stretch;background:var(--navy-900);border-bottom:1px solid var(--line);padding:14px 20px}
  .nav-links.open{display:flex}
  .nav-links .nav-cta{margin:10px 0 0}
  .menu-toggle{display:block}
  .foot-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
}
@media (max-width:560px){
  .g3,.g4,.hero-stats{grid-template-columns:1fr}
  .band{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:40px 26px}
  .form-card{padding:26px 20px}
}

/* ============ GEO 组件（面向大模型抓取的内容块） ============ */
.answer-box{
  border-left:3px solid var(--cyan);background:rgba(56,198,244,.07);
  border-radius:0 12px 12px 0;padding:22px 26px;margin:0 0 28px;
}
.answer-box .q{font-size:15px;color:var(--cyan);font-weight:600;margin-bottom:8px}
.answer-box .a{font-size:16px;color:var(--text);line-height:1.8}
.answer-box .a b{color:var(--cyan)}
.qa-list{display:grid;gap:14px}
.qa{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 26px}
.qa h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--text);line-height:1.5}
.qa h3::before{content:"Q";display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:6px;background:rgba(46,139,255,.2);color:var(--cyan);
  font-size:12px;margin-right:9px;vertical-align:2px}
.qa p{color:var(--text-mute);font-size:15px;line-height:1.85}
.qa p b{color:var(--text)}
.fact-table td:first-child{color:var(--cyan);white-space:nowrap;width:150px}
.entity-strip{display:flex;flex-wrap:wrap;gap:8px 18px;padding:14px 0;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);margin:18px 0;font-size:13px;color:var(--text-dim)}
.entity-strip b{color:var(--text-mute);font-weight:500}
.updated{font-size:12.5px;color:var(--text-dim);margin-top:10px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-bottom:30px}
.toc h3{font-size:14px;color:var(--cyan);margin-bottom:10px;letter-spacing:1px}
.toc ol{padding-left:20px;font-size:14px;color:var(--text-mute);line-height:2}
.toc a:hover{color:var(--cyan)}

/* ============ 产品页 · 六大业务报价区（还原PPT版式） ============ */
.pl-grid{display:grid;grid-template-columns:400px 1fr;gap:48px;align-items:center}
.pl-device{text-align:center;position:relative}
.pl-device img{max-height:500px;width:auto;margin:0 auto;filter:drop-shadow(0 24px 60px rgba(46,139,255,.35))}
.pl-device-cap{margin-top:18px;font-size:17px;color:var(--text-mute);letter-spacing:1px}
.pl-device-cap b{display:block;font-size:24px;color:var(--text);font-weight:700;margin-bottom:2px}
.pl-device-cap span{color:var(--cyan)}
.pl-list h2{font-size:32px;font-weight:700;letter-spacing:1px}
.pl-sub{color:var(--text-mute);margin:10px 0 22px;font-size:15.5px}
.pl-rows{display:grid}
.pl-rows li{display:flex;align-items:center;gap:18px;padding:17px 18px;
  border-bottom:1px solid var(--line);background:var(--card);
  border-left:2px solid transparent;transition:all .2s}
.pl-rows li:first-child{border-radius:12px 12px 0 0}
.pl-rows li:hover{background:var(--card-hover);border-left-color:var(--cyan)}
.pl-rows .no{font-size:13px;font-weight:700;color:var(--text-dim);width:26px;flex:none;
  font-variant-numeric:tabular-nums}
.pl-rows .info{flex:1;min-width:0}
.pl-rows .info b{display:block;font-size:18.5px;font-weight:600;color:var(--text)}
.pl-rows .info small{font-size:13px;color:var(--text-dim)}
.pl-rows .price{text-align:right;flex:none}
.pl-rows .price b{display:block;font-size:23px;font-weight:800;color:var(--cyan);line-height:1.2}
.pl-rows .price small{font-size:12.5px;color:var(--text-dim)}
.pl-rows li.hot{background:rgba(245,185,75,.08);border-left:2px solid var(--gold);
  border-radius:0 0 12px 12px;border-bottom:none}
.pl-rows li.hot .no,.pl-rows li.hot .info b{color:var(--gold)}
.pl-rows li.hot .price b{color:var(--gold)}
.pl-rows li.hot .info small,.pl-rows li.hot .price small{color:#C9A25E}
.pl-note{font-size:12.5px;color:var(--text-dim);margin-top:14px}
.pl-note a{color:var(--cyan)}
@media (max-width:960px){
  .pl-grid{grid-template-columns:1fr;gap:28px}
  .pl-device img{max-height:340px;width:auto}
  .pl-rows .info b{font-size:16.5px}
  .pl-rows .price b{font-size:19px}
}

/* ============ 关于我们 · 公司简介（还原PPT银蓝舞台版式） ============ */
.ppt-intro{position:relative;padding:84px 0 70px;overflow:hidden;color:#0E2A4E}
.ppt-intro .stage{position:absolute;inset:0;background:url("../img/ppt-stage.jpg") center/cover no-repeat}
.ppt-intro .stage::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.72) 0%,rgba(255,255,255,.55) 55%,var(--navy-900) 100%)}
.ppt-intro .wrap{position:relative;z-index:2}
.pi-tag{display:inline-block;font-size:13px;letter-spacing:4px;color:#185FA5;
  border:1px solid rgba(24,95,165,.4);border-radius:100px;padding:5px 18px;margin-bottom:18px;background:rgba(255,255,255,.6)}
.ppt-intro h2{font-size:38px;font-weight:700;color:#0A2547;letter-spacing:1px}
.pi-text{max-width:880px;margin-top:18px;font-size:16.5px;line-height:1.95;color:#2A4A70}
.pi-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:40px}
.pi-stats .st{background:rgba(255,255,255,.82);border:1px solid rgba(24,95,165,.18);
  border-radius:12px;padding:22px 12px;text-align:center;backdrop-filter:blur(4px)}
.pi-stats .st .num{font-size:27px;font-weight:800;line-height:1.2;
  background:linear-gradient(120deg,#185FA5,#2E8BFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.pi-stats .st .lbl{font-size:12.5px;color:#5B7695;margin-top:6px;line-height:1.5}
.pi-founder{margin-top:34px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:linear-gradient(100deg,rgba(255,255,255,.9),rgba(255,255,255,.65));
  border:1px solid rgba(24,95,165,.22);border-radius:14px;padding:20px 28px}
.pi-founder img{height:52px;width:auto}
.pi-founder .t1{font-size:13px;letter-spacing:3px;color:#5B7695}
.pi-founder .t2{font-size:26px;font-weight:800;color:#0A2547;letter-spacing:2px}
.pi-founder .t2 i{font-style:normal;font-size:14px;color:#854F0B;font-weight:500;margin-left:10px;letter-spacing:1px}
.pi-founder .desc{font-size:13.5px;color:#5B7695;margin-left:auto;max-width:420px}
@media (max-width:960px){
  .pi-stats{grid-template-columns:repeat(3,1fr)}
  .pi-founder .desc{margin-left:0}
  .ppt-intro h2{font-size:28px}
}
@media (max-width:560px){.pi-stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- 电话 ---------- */
.hero-phone{margin-top:22px;font-size:15px;color:var(--text-mute)}
.hero-phone b{color:var(--cyan);font-size:19px;letter-spacing:1px;margin:0 4px}
.hero-phone a{color:var(--cyan)}

/* 9项导航 + 电话按钮的紧凑适配 */
@media (max-width:1200px){
  .nav-links a{padding:7px 8px;font-size:13.5px}
  .nav-cta .btn-sm{padding:7px 10px;font-size:12.5px}
  .logo img{height:32px !important}
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:14px 0 0;font-size:13px;color:var(--text-dim)}
.crumbs a{color:var(--text-mute)}
.crumbs a:hover{color:var(--cyan)}
.crumbs span[aria-current]{color:var(--cyan)}


/* ---------- 表单提交失败兜底（电话 / 邮件） ---------- */
.form-fallback{margin-top:18px;padding:18px 20px;border-radius:12px;
  border:1px solid rgba(245,185,75,.45);background:rgba(245,185,75,.10)}
.form-fallback .fb-title{font-size:14.5px;color:var(--gold);font-weight:600;margin-bottom:12px}
.form-fallback .fb-acts{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.form-fallback .fb-note{font-size:12.5px;color:var(--text-dim)}

/* ---------- ICP 备案号 ---------- */
.foot-icp{margin-top:6px;text-align:center;font-size:12.5px;line-height:1.8}
.foot-icp a{color:var(--text-dim);transition:color .2s}
.foot-icp a:hover{color:var(--cyan)}