/* ==========================================================================
   泉州市华玉智能科技有限公司 · 官网页原型
   主色取自 LOGO 矢量文件实采值：#0076BF / #00AEEF
   ========================================================================== */

:root{
  --brand-900:#072A45;
  --brand-800:#08425F;
  --brand-700:#005C96;
  --brand-600:#0076BF;
  --brand-500:#0A8FD6;
  --brand-400:#00AEEF;
  --brand-200:#B9E4F8;
  --brand-100:#E8F5FD;
  --brand-050:#F4FAFE;

  --ink:#0C1D2C;
  --ink-2:#41586B;
  --ink-3:#7C93A5;
  --line:#E1EBF3;
  --line-2:#CFE0EC;
  --bg:#FFFFFF;
  --bg-alt:#F6FAFD;
  --white:#FFFFFF;

  --shadow-sm:0 2px 8px rgba(12,29,44,.06);
  --shadow:0 10px 30px rgba(12,29,44,.08);
  --shadow-lg:0 24px 60px rgba(7,42,69,.16);
  --radius:14px;
  --radius-lg:20px;
  --container:1180px;
  --sans:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}

/* ---------- 版心与栅格 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--brand-900);color:#EAF4FC}

/* ---------- 通用文本 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-600);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-400);border-radius:2px}
.section--dark .eyebrow{color:var(--brand-200)}
.section-title{font-size:clamp(26px,3.1vw,38px);margin-bottom:16px}
.section-sub{color:var(--ink-2);max-width:62ch;font-size:16.5px}
.section-head{margin-bottom:52px}
.section-head--center{text-align:center;margin-left:auto;margin-right:auto;max-width:760px}
.section-head--center .section-sub{margin-left:auto;margin-right:auto}
.section--dark .section-sub{color:#A9C6DA}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:linear-gradient(135deg,var(--brand-600),var(--brand-400));color:#fff;box-shadow:0 10px 24px rgba(0,118,191,.30)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,118,191,.38)}
.btn--ghost{border:1px solid rgba(255,255,255,.42);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);transform:translateY(-2px)}
.btn--outline{border:1px solid var(--line-2);color:var(--brand-700);background:#fff}
.btn--outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
/* 首屏的智能助手入口：与主按钮同排，单独一套配色，扫一眼就能看见 */
.btn--ai{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:0 10px 26px rgba(0,88,150,.34)}
.btn--ai:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,88,150,.44)}
.btn--ai__tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;margin-left:2px;border-radius:999px;background:rgba(255,255,255,.22);font-size:11.5px;font-weight:600}
.btn--sm{height:42px;padding:0 20px;font-size:14.5px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 1px 0 rgba(12,29,44,.08),0 8px 24px rgba(12,29,44,.06);
}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{height:40px;width:auto;transition:opacity .2s ease}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__cn{font-size:17px;font-weight:700;letter-spacing:.06em;color:#fff;transition:color .25s ease}
.brand__en{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.72);transition:color .25s ease}
.site-header.is-scrolled .brand__cn{color:var(--ink)}
.site-header.is-scrolled .brand__en{color:var(--ink-3)}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;white-space:nowrap;
  color:rgba(255,255,255,.86);border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-400);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.site-header.is-scrolled .nav a{color:var(--ink-2)}
.site-header.is-scrolled .nav a:hover{color:var(--brand-700);background:var(--brand-050)}
.header-cta{margin-left:8px}
/* nowrap + 不收缩：号码含连字符与空格，缺了这两条会被压成多行、图标也会被压扁 */
.header-tel{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:rgba(255,255,255,.9);white-space:nowrap;flex:0 0 auto}
.header-tel svg{flex:0 0 auto}
.site-header.is-scrolled .header-tel{color:var(--brand-700)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:inherit;border-radius:2px;transition:transform .2s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-scrolled .nav-toggle span{background:var(--ink)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;padding:150px 0 110px;color:#fff;
  background:
    radial-gradient(900px 520px at 82% 8%,rgba(0,174,239,.34),transparent 62%),
    radial-gradient(700px 480px at 8% 92%,rgba(0,118,191,.42),transparent 60%),
    linear-gradient(160deg,#062239 0%,#04283F 46%,#062B45 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 50% 0%,#000 35%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 35%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-160px;bottom:-320px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,174,239,.30),transparent 66%);pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 12px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  font-size:13.5px;font-weight:500;letter-spacing:.02em;color:#D7ECF9;margin-bottom:26px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand-400);box-shadow:0 0 0 4px rgba(0,174,239,.22)}
.hero h1{font-size:clamp(32px,4.1vw,52px);letter-spacing:-.02em;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand-400),#7FD8FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17.5px;color:#B7D2E4;max-width:52ch;margin-bottom:34px;text-indent:2em}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:38px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:#CBE2F1}
.hero-points svg{flex:0 0 auto;color:var(--brand-400)}

/* 首屏右侧：三步项目选型（收集需求，不伪造实时数据） */
.plan-picker{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:24px;
  background:linear-gradient(150deg,rgba(255,255,255,.14),rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 30px 70px rgba(2,16,28,.45);backdrop-filter:blur(6px);
}
.plan-picker::before{
  content:"";position:absolute;width:260px;height:260px;right:-120px;top:-150px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,174,239,.22),transparent 68%);pointer-events:none;
}
.plan-picker__head{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.plan-picker__eyebrow{
  display:block;margin-bottom:4px;font-size:10.5px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:#7FD8FF;
}
.plan-picker__head h2{font-size:22px;line-height:1.25;letter-spacing:-.01em;color:#fff}
.plan-picker__badge{
  flex:0 0 auto;padding:4px 9px;border-radius:999px;font-size:10.5px;line-height:1.4;
  color:#CFE7F6;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);white-space:nowrap;
}
.plan-picker__progress{
  position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
  margin:20px 0 18px;padding:0;list-style:none;
}
.plan-picker__progress::before{
  content:"";position:absolute;left:16%;right:16%;top:14px;height:1px;
  background:rgba(255,255,255,.18);z-index:0;
}
.plan-picker__progress li{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:5px}
.plan-picker__progress i{
  display:flex;align-items:center;justify-content:center;width:29px;height:29px;border-radius:50%;
  background:#0A3B57;border:1px solid rgba(255,255,255,.22);
  font-size:11.5px;font-style:normal;font-weight:700;color:#9FC4DA;transition:all .18s ease;
}
.plan-picker__progress span{font-size:10.5px;color:#8FB6CF;white-space:nowrap;transition:color .18s ease}
.plan-picker__progress li.is-active i{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-400));border-color:transparent;
  color:#fff;box-shadow:0 0 0 4px rgba(0,174,239,.16);
}
.plan-picker__progress li.is-active span{color:#DCEFFB;font-weight:600}
.plan-picker__progress li.is-done i{
  background:rgba(0,174,239,.18);border-color:rgba(0,174,239,.55);color:#8FE3FF;
}
.plan-picker__progress li.is-done span{color:#B9DFF1}
.plan-picker__stage{position:relative;min-height:220px}
.plan-picker__step{display:none}
.plan-picker__step.is-active{display:block}
.plan-picker__step h3{font-size:15.5px;line-height:1.4;color:#F2F9FE;margin-bottom:4px}
.plan-picker__step > p{margin-bottom:12px;font-size:11.5px;line-height:1.55;color:#8FB6CF}
.plan-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.plan-choice{
  display:flex;align-items:center;gap:8px;min-width:0;min-height:55px;padding:8px 9px;
  border-radius:10px;text-align:left;color:#DCEFFB;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.11);
  transition:background .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.plan-choice:hover{background:rgba(255,255,255,.085);border-color:rgba(255,255,255,.22);transform:translateY(-1px)}
.plan-choice.is-selected{
  background:rgba(0,174,239,.16);border-color:rgba(0,174,239,.68);
  box-shadow:inset 0 0 0 1px rgba(0,174,239,.16),0 8px 20px rgba(0,118,191,.12);
}
.plan-choice__icon{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:29px;height:29px;border-radius:8px;
  background:rgba(255,255,255,.06);color:#7FD8FF;transition:background .16s ease,color .16s ease;
}
.plan-choice.is-selected .plan-choice__icon{background:rgba(0,174,239,.22);color:#BDEFFF}
.plan-choice__text{min-width:0}
.plan-choice__text b{display:block;font-size:12.5px;font-weight:600;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plan-choice__text small{display:block;margin-top:1px;font-size:9.5px;line-height:1.35;color:#8FB6CF;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.plan-choice.is-selected .plan-choice__text small{color:#B9DFF1}
.plan-choice__check{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:16px;height:16px;margin-left:auto;
  border-radius:50%;border:1px solid rgba(255,255,255,.22);font-size:10px;line-height:1;color:#fff;
  opacity:0;transform:scale(.7);transition:opacity .16s ease,transform .16s ease,background .16s ease;
}
.plan-choice.is-selected .plan-choice__check{opacity:1;transform:none;background:var(--brand-400);border-color:var(--brand-400)}
.plan-options--systems .plan-choice{min-height:49px}
.plan-options--scale .plan-choice{min-height:54px}
.plan-picker__nav{display:flex;align-items:center;gap:8px;margin-top:14px}
.plan-picker__back{padding:8px 6px;font-size:12px;color:#A9C6DA;white-space:nowrap}
.plan-picker__back:hover{color:#fff}
.plan-picker__next{
  flex:1;height:44px;border-radius:999px;padding:0 18px;
  font-size:14px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-400));
  box-shadow:0 10px 24px rgba(0,118,191,.28);
  transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease;
}
.plan-picker__next:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 28px rgba(0,118,191,.36)}
.plan-picker__next:disabled{opacity:.38;cursor:not-allowed;box-shadow:none}
.plan-picker__hint{margin-top:9px;font-size:10.5px;line-height:1.55;color:#7FA7C0;text-align:center}
.plan-picker__stage[hidden],.plan-picker__nav[hidden],.plan-picker__hint[hidden],.plan-picker__summary[hidden]{display:none}
.plan-picker__summary{position:relative;padding-top:2px}
.plan-picker__summary-head{display:flex;align-items:flex-start;gap:11px;margin-bottom:14px}
.plan-picker__summary-check{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,#16A97A,#49D5A2);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 8px 20px rgba(22,169,122,.22);
}
.plan-picker__summary h3{font-size:17px;color:#fff;margin-bottom:3px}
.plan-picker__summary-head p{font-size:11.5px;line-height:1.55;color:#9FC4DA}
.plan-picker__summary-list{display:grid;gap:7px;margin:0 0 15px}
.plan-picker__summary-list div{
  display:grid;grid-template-columns:70px minmax(0,1fr);gap:10px;padding:8px 10px;border-radius:9px;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);
}
.plan-picker__summary-list dt{font-size:10.5px;color:#8FB6CF}
.plan-picker__summary-list dd{margin:0;font-size:12px;line-height:1.45;font-weight:600;color:#EAF4FC;text-align:right}
.plan-picker__submit{
  width:100%;height:46px;border-radius:999px;font-size:14px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-400));
  box-shadow:0 10px 24px rgba(0,118,191,.30);transition:transform .18s ease,box-shadow .18s ease;
}
.plan-picker__submit:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(0,118,191,.38)}
.plan-picker__reset{display:block;width:100%;padding:9px 0 2px;font-size:11.5px;color:#8FB6CF;text-align:center}
.plan-picker__reset:hover{color:#DCEFFB}
.plan-picker__summary-note{margin-top:6px;font-size:10px;line-height:1.5;color:#6F99B4;text-align:center}
@keyframes form-prefill-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(0,174,239,0)}
  38%{box-shadow:0 0 0 4px rgba(0,174,239,.30),0 18px 44px rgba(7,42,69,.22)}
}

/* ---------- 业务卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
/* 两卡产品线区块（华玉储能）：两条产品线下卡片不落单，其余断点沿用 .cards 的响应式规则 */
.cards--2{grid-template-columns:repeat(2,1fr)}
/* 七卡区块（业务总览）：默认三列，末卡（运维与服务）独占整行；≤1080px 沿用 .cards 的响应式两列 */
.cards--7{grid-template-columns:repeat(3,1fr)}
.cards--7 > .card:last-child{grid-column:1 / -1}
.card{
  position:relative;border-radius:var(--radius);padding:30px 26px 28px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand-600),var(--brand-400));opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card:hover::after{opacity:1}
.card__icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,var(--brand-100),#D5EFFB);color:var(--brand-600);
}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-2)}
.card ul{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px}
.card li{
  font-size:12.5px;color:var(--brand-700);background:var(--brand-050);border:1px solid var(--brand-100);
  padding:3px 10px;border-radius:999px;
}

/* ---------- 产品与方案（标签页） ---------- */
.tabs__nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.tab-btn{
  padding:11px 20px;border-radius:999px;border:1px solid var(--line-2);background:#fff;
  font-size:14.5px;font-weight:600;color:var(--ink-2);transition:all .2s ease;
}
.tab-btn:hover{border-color:var(--brand-400);color:var(--brand-600)}
.tab-btn.is-active{background:linear-gradient(135deg,var(--brand-600),var(--brand-400));border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(0,118,191,.26)}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fade .32s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.panel-grid h3{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px}
.panel-grid > div > p{color:var(--ink-2);margin-bottom:22px}
.feature-list{display:grid;gap:14px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.feature-list svg{flex:0 0 auto;margin-top:4px;color:var(--brand-500)}
.feature-list b{color:var(--ink);font-weight:600}
.shot{
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--bg-alt);
  box-shadow:var(--shadow);padding:14px;
}
.shot__bar{display:flex;gap:6px;margin-bottom:12px}
.shot__bar i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.shot__body{
  border-radius:12px;min-height:280px;display:grid;place-items:center;text-align:center;padding:26px;
  background:linear-gradient(150deg,#EAF4FB,#DBEDF8);color:var(--ink-3);font-size:14px;
  border:1px dashed var(--line-2);
}
.shot__body strong{display:block;color:var(--brand-700);font-size:15px;margin-bottom:6px}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{
  border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.case__cover{
  aspect-ratio:4 / 3;background:linear-gradient(140deg,var(--brand-800),var(--brand-600));position:relative;
  display:grid;place-items:center;color:rgba(255,255,255,.55);font-size:13px;letter-spacing:.08em;
}
.case__cover::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:34px 34px;
}
.case__tag{
  position:absolute;left:16px;top:16px;z-index:2;font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.30);padding:4px 12px;border-radius:999px;backdrop-filter:blur(4px);
}
.case__body{padding:24px 24px 26px}
.case__body h3{font-size:17px;margin-bottom:10px}
.case__body p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.case__meta{display:flex;flex-wrap:wrap;gap:8px}
.case__meta span{font-size:12.5px;color:var(--ink-3);background:var(--bg-alt);border:1px solid var(--line);padding:3px 10px;border-radius:999px}

/* ---------- 优势 ---------- */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.why__item{display:flex;gap:16px}
.why__no{
  flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-050);border:1px solid var(--brand-100);color:var(--brand-600);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.why__item h3{font-size:16.5px;margin-bottom:6px}
.why__item p{font-size:14px;color:var(--ink-2)}

/* ---------- 服务流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.flow__item{position:relative;padding-top:34px}
.flow__item::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;left:0;top:0;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-400);
}
.flow__item::after{
  content:"";position:absolute;left:0;right:-18px;top:9px;height:1px;
  background:linear-gradient(90deg,var(--brand-200),transparent);
}
.flow__item:last-child::after{display:none}
.flow__item h3{font-size:16px;margin-bottom:8px}
.flow__item p{font-size:13.5px;color:var(--ink-2)}
.promise{
  margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
}
.promise li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.promise svg{flex:0 0 auto;margin-top:4px;color:var(--brand-500)}
.promise b{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq__item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq__item.is-open{border-color:var(--brand-200);box-shadow:var(--shadow-sm)}
.faq__q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq__q i{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;border-radius:50%;position:relative;
  background:var(--brand-050);border:1px solid var(--brand-100);transition:transform .22s ease,background .22s ease;
}
.faq__q i::before,.faq__q i::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;transform:translate(-50%,-50%)}
.faq__q i::before{width:10px;height:1.6px}
.faq__q i::after{width:1.6px;height:10px;transition:opacity .22s ease}
.faq__item.is-open .faq__q i{background:var(--brand-600);transform:rotate(180deg)}
.faq__item.is-open .faq__q i::before{background:#fff}
.faq__item.is-open .faq__q i::after{opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2)}

/* ---------- 关于我们 ---------- */
.about{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.about__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.about__media img{width:100%;height:auto}
/* 公司简介右侧品牌卡：彩色组合标 + 品牌标语（原为「品牌形象墙」照片） */
.about__media--brand{
  display:grid;place-items:center;padding:56px 28px;min-height:420px;
  background:radial-gradient(120% 100% at 50% 0%,var(--brand-050) 0%,var(--brand-100) 58%,#DCEBF7 100%);
  border:1px solid var(--line);
}
.about-brand{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.about__media--brand .about-brand__lockup{height:212px;width:auto}
.about-brand__slogan{
  position:relative;margin:0;padding-top:20px;text-indent:.22em;
  font-size:16px;letter-spacing:.22em;line-height:1.6;color:var(--brand-800);
}
.about-brand__note{margin:0;font-size:13px;line-height:1.7;letter-spacing:.04em;color:var(--ink-3)}
.about-brand__slogan::before{
  content:"";position:absolute;top:0;left:50%;width:66px;height:2px;border-radius:2px;
  transform:translateX(-50%);background:linear-gradient(90deg,var(--brand-400),var(--brand-600));
}
.about__badge{
  position:absolute;left:22px;bottom:22px;right:22px;
  display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:12px;
  background:rgba(4,32,52,.62);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);color:#fff;
}
.about__badge img{width:44px;height:44px;object-fit:contain}
.about__badge b{font-size:14.5px;display:block}
.about__badge span{font-size:12.5px;color:#B7D2E4}
.about-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}
.about-metrics div{background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.about-metrics b{display:block;font-size:22px;color:var(--brand-700);font-variant-numeric:tabular-nums}
.about-metrics span{font-size:13.5px;color:var(--ink-3)}
/* 关于我们：合作与加入入口（原为「成立年份 / 交付项目数 / 服务客户数 / 团队规模」4 个数字位，
   等真实数据到位后可换回 .about-metrics 的写法） */
.about-links{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}
.about-links a{
  display:block;background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;padding:18px 20px;
  color:inherit;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.about-links a:hover,.about-links a:focus-visible{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.about-links b{display:block;font-size:16.5px;color:var(--brand-700);margin-bottom:6px}
.about-links span{font-size:13.5px;color:var(--ink-3)}

/* ---------- 资质/证书占位 ---------- */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.cert{
  border-radius:12px;border:1px dashed var(--line-2);background:#fff;padding:22px;
  text-align:center;color:var(--ink-3);font-size:13.5px;
}
.cert b{display:block;color:var(--ink-2);font-size:14px;font-weight:600;margin-bottom:4px}

/* ---------- 咨询 / 表单 ---------- */
.cta{position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:radial-gradient(720px 420px at 88% 6%,rgba(0,174,239,.34),transparent 62%),linear-gradient(160deg,#062239,#05304B 60%,#062B45);
  color:#fff;padding:60px 56px;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.cta p{color:#B7D2E4;font-size:15.5px}
.cta-list{margin-top:28px;display:grid;gap:12px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#CBE2F1}
.cta-list svg{color:var(--brand-400);flex:0 0 auto}
.form{background:#fff;border-radius:var(--radius);padding:30px}
.form h3{font-size:18px;margin-bottom:6px;color:var(--ink)}
.form > p{font-size:13.5px;color:var(--ink-3);margin-bottom:20px}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field span i{color:#E2574C;font-style:normal}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line-2);background:#fff;
  font-family:inherit;font-size:14.5px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:88px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(0,174,239,.16);
}
.field .err{display:none;font-size:12.5px;color:#E2574C;margin-top:5px}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:#E2574C}
.field.is-invalid .err{display:block}
.form .btn{width:100%;margin-top:6px}
.form-note{font-size:12px;color:var(--ink-3);margin-top:12px;line-height:1.6}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;font-size:14px;
  background:#EAF9F1;border:1px solid #BFEAD5;color:#1F7A4D;
}
.form-ok.is-show{display:block}
.form.is-prefilled{animation:form-prefill-pulse 1.4s ease 1}

/* ---------- 最新动态 ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news__item{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:26px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news__item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-2)}
.news__date{font-size:12.5px;color:var(--brand-600);font-weight:600;letter-spacing:.04em;margin-bottom:10px;display:block}
.news__item h3{font-size:16.5px;margin-bottom:8px}
.news__item p{font-size:14px;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:#041E31;color:#9FBFD4;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr 1.9fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
.footer-brand img{height:46px;width:auto}
.footer-brand p{font-size:13.5px;line-height:1.8}
.footer-brand .footer-slogan{font-size:15px;line-height:1.7;letter-spacing:.14em;color:#CFE6F5}
.footer-social{display:flex;gap:10px;margin-top:4px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#B7D2E4;transition:all .2s ease;
}
.footer-social a:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;transform:translateY(-2px)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.5px;transition:color .2s ease}
.footer-links a:hover{color:var(--brand-400)}
.footer-contact{display:grid;gap:14px}
.footer-contact li{display:flex;gap:11px;font-size:13px;line-height:1.7}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--brand-400)}
.footer-contact b{color:#fff;font-weight:600}
/* 4 列布局下联系方式强制单行（列宽已按最长地址预留，见 .footer-grid 列宽） */
@media (min-width:1081px){.footer-contact li span{white-space:nowrap}}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;font-size:12.5px;color:#7B9CB3;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--brand-400)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:50;width:46px;height:46px;border-radius:14px;
  background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow);display:grid;place-items:center;
  color:var(--brand-600);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-600);color:#fff;border-color:var(--brand-600)}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 占位符标记（文案待补，正式发布前替换） ---------- */
.ph{color:var(--brand-500);border-bottom:1px dashed var(--brand-200);font-style:normal}
.section--dark .ph,.hero .ph,.cta .ph,.site-footer .ph{color:#8FD6F7;border-bottom-color:rgba(143,214,247,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-grid{display:flex;flex-direction:column;gap:0}
  .hero-copy{display:contents}
  .hero-badge{order:1}
  .hero h1{order:2}
  .hero-lead{order:3}
  .hero-grid .btn-row{order:4}
  .plan-picker{order:5;margin-top:26px}
  .hero-points{order:6;width:100%}
  .plan-picker{width:100%;max-width:620px;margin:0 auto}
  .cards{grid-template-columns:repeat(2,1fr)}
  .panel-grid{grid-template-columns:1fr;gap:36px}
  .why{grid-template-columns:repeat(2,1fr)}
  .news{grid-template-columns:repeat(2,1fr)}
  .certs{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .about{grid-template-columns:1fr;gap:36px}
  .about__media--brand{min-height:330px;padding:40px 22px;width:100%;max-width:540px;margin:0 auto}
  .about__media--brand .about-brand__lockup{height:170px}
  .cta{padding:48px 34px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
}
/* 导航折叠断点：＜1161px 时「品牌 + 8 项菜单 + 电话 + 按钮」放不下一行
   （实测最小需求约 1140px；留 20px 余量，英文导航更宽，改菜单后必须重新量） */
@media (max-width:1160px){
  .nav{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 22px;box-shadow:0 20px 40px rgba(12,29,44,.14);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .22s ease;margin:0;
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav a{color:var(--ink-2);padding:13px 12px;border-radius:10px}
  .nav a::after{display:none}
  .header-tel{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2)}
  .site-header.is-scrolled .nav-toggle{background:var(--brand-050);border-color:var(--brand-100)}
}
@media (max-width:820px){
  .section{padding:72px 0}
  .case-grid{grid-template-columns:1fr}
  .promise{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr);gap:26px 18px}
  .flow__item::after{display:none}
}
@media (max-width:560px){
  .cards,.why,.news,.certs,.about-metrics,.about-links{grid-template-columns:1fr}
  .about__media--brand{min-height:280px;padding:32px 18px}
  .about__media--brand .about-brand__lockup{height:140px}
  .about-brand__slogan{font-size:15px;letter-spacing:.18em}
  .about-brand__note{font-size:12.5px}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:126px 0 84px}
  .cta{padding:40px 24px}
  .form{padding:24px 20px}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .to-top{right:16px;bottom:16px}
  .plan-picker{padding:19px 18px}
  .plan-picker__head h2{font-size:20px}
  .plan-picker__badge{font-size:9.5px;padding:4px 7px}
  .plan-picker__stage{min-height:0}
  .plan-picker__progress{margin:17px 0 15px}
  .plan-choice{min-height:52px;padding:7px 8px;gap:7px}
  .plan-choice__icon{width:27px;height:27px}
  .plan-choice__text b{font-size:12px}
  .plan-choice__text small{font-size:9px}
  .plan-options--systems .plan-choice{min-height:47px}
  .plan-picker__summary-list div{grid-template-columns:64px minmax(0,1fr)}
}
/* ==========================================================================
   页面补充样式（由 index.html 结构需要）
   ========================================================================== */
[id]{scroll-margin-top:92px}

/* 头部 LOGO 双色切换：深色首屏用白色标，滚动态用彩色标 */
.brand__mark--dark{display:none}
.site-header.is-scrolled .brand__mark--light{display:none}
.site-header.is-scrolled .brand__mark--dark{display:block}

/* 页脚组合标（竖版锁定图形，含中英文标准字） */
.footer-brand .footer-lockup{height:96px;width:auto}

/* 方案配图（真实照片，按 4:3 裁切；首页方案页签与政企页共用） */
.shot__body--photo{padding:0;border:0;background:none;overflow:hidden;min-height:0}
.shot__body--photo img{display:block;width:100%;height:auto;aspect-ratio:4 / 3;object-fit:cover;border-radius:12px}
/* 案例卡并入实机界面：图文一一对应 */
.card--case{display:flex;flex-direction:column}
.card__shot{margin:auto 0 0;padding:22px 0 0}
.card__shot img{display:block;width:100%;aspect-ratio:4 / 3;object-fit:cover;border-radius:10px;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff}
.card__shot figcaption{margin-top:10px;font-size:12.5px;color:var(--ink-3);line-height:1.55}
/* 技术图纸类配图：整图展示不裁切（点位平面图 / 三维效果图 / 实景叠加） */
.card__shot--fit img{aspect-ratio:auto;height:auto;object-fit:contain}
@media (max-width:980px){.cards--case{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.cards--case{grid-template-columns:1fr}}

/* 案例封面改用真实照片 */
.case__cover--photo::after{display:none}
.case__cover--photo img{width:100%;height:100%;object-fit:cover}

@media (max-width:820px){
  [id]{scroll-margin-top:80px}
  .footer-brand .footer-lockup{height:80px}
}


/* ==========================================================================
   新增板块样式：陪伴机器狗（深色） / 智能家居产品
   ========================================================================== */

/* ---------- 陪伴机器狗 ---------- */
.robot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rcard{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:28px 26px;transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.rcard:hover{transform:translateY(-6px);background:rgba(255,255,255,.1);border-color:rgba(143,214,247,.45)}
.rcard__icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
  background:rgba(0,174,239,.16);color:#8FD6F7;border:1px solid rgba(143,214,247,.28);
}
.rcard h3{font-size:17.5px;margin-bottom:10px;color:#fff}
.rcard p{font-size:14.5px;color:#A9C6DA;margin-bottom:18px}
.rcard ul{display:grid;gap:9px}
.rcard li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#CBE2F1}
.rcard li svg{flex:0 0 auto;margin-top:4px;color:var(--brand-400)}
.robot-foot{
  margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.robot-foot p{font-size:13.5px;color:#A9C6DA;max-width:62ch}

/* ---------- 智能家居产品 ---------- */
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.pcard__media{
  aspect-ratio:4 / 3;display:grid;place-content:center;justify-items:center;gap:10px;text-align:center;
  background:linear-gradient(150deg,#EAF4FB,#DBEDF8);border-bottom:1px dashed var(--line-2);
  color:var(--brand-500);font-size:13px;
}
.pcard__media img{width:100%;height:100%;object-fit:cover;display:block}
.pcard__body{padding:22px 22px 24px}
.pcard__body h3{font-size:16.5px;margin-bottom:9px}
.pcard__body p{font-size:14px;color:var(--ink-2)}
.pcard__tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px}
.pcard__tags span{
  font-size:12.5px;color:var(--brand-700);background:var(--brand-050);border:1px solid var(--brand-100);
  padding:3px 10px;border-radius:999px;
}
.pcard-note{margin-top:26px;font-size:13px;color:var(--ink-3);text-align:center}

/* ---------- 新板块响应式 ---------- */
/* 桌面紧凑间距：放宽到所有桌面宽度。
   若只在某段宽度生效，超过该宽度后导航会恢复大字号并把 1180px 容器撑破（实测 1440px 溢出 37px） */
@media (min-width:1161px){
  .header-inner{gap:18px}
  .nav a{padding:10px 10px;font-size:14.5px}
}
@media (max-width:1080px){
  .robot-grid,.pcards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .robot-grid,.pcards{grid-template-columns:1fr}
  .robot-foot{flex-direction:column;align-items:flex-start}
}

/* ==========================================================================
   在研机型展示（机器人区块 · robots.feature）
   ========================================================================== */
.robot-feature[hidden]{display:none}
.robot-feature{
  margin-top:26px;padding:30px 28px 26px;
  border:1px solid rgba(255,255,255,.13);border-radius:18px;
  background:rgba(255,255,255,.055);
}
.rf-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:24px}
.rf-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#041E31;
  background:linear-gradient(135deg,var(--brand-400),#7FD8FF);
}
.rf-name{margin:0;font-size:22px;color:#fff;letter-spacing:-.01em}
.rf-status{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;color:#9FE0FF;border:1px solid rgba(143,214,247,.45);background:rgba(143,214,247,.1);
}
.rf-tagline{flex-basis:100%;margin:0;font-size:14.5px;color:#A9C6DA}
.rf-body{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:28px;align-items:start}
.rf-gallery{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
/* 首页「陪伴机器狗」左栏：两图竖排（左栏已收窄，单图不会过大） */
.robot-feature .rf-gallery{grid-template-columns:1fr}
.rf-shot{
  margin:0;border-radius:12px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);background:rgba(0,0,0,.2);
}
.rf-shot img{display:block;width:100%;height:auto;aspect-ratio:4 / 3;object-fit:cover}
.rf-shot figcaption{
  padding:8px 13px;font-size:12.5px;color:#A9C6DA;
  border-top:1px solid rgba(255,255,255,.1);
}
.rf-info{display:grid;gap:18px;align-content:start}
.rf-points{display:grid;gap:10px}
.rf-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#CBE2F1}
.rf-points li svg{flex:0 0 auto;margin-top:4px;color:var(--brand-400)}
.rf-specs{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;border-top:1px solid rgba(255,255,255,.12)}
.rf-spec{
  display:grid;grid-template-columns:96px 1fr;gap:10px;padding:9px 0;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.rf-spec dt{font-size:12.5px;color:#8FB4CC;line-height:1.5}
.rf-spec dd{margin:0;font-size:13.5px;color:#EAF4FC;line-height:1.5}
.rf-note,.rf-image-note{margin-top:16px;font-size:12.5px;line-height:1.75;color:#8FB4CC}
.rf-image-note{margin-top:8px;color:#7EA3BC}
/* 浅色区块（/robotics/ 页）复用同一图组：换浅色边框与文字 */
.section--alt .rf-shot{border-color:var(--line);background:#fff}
.section--alt .rf-shot figcaption{border-top-color:var(--line);color:var(--ink-2)}
.section--alt .rf-note,.section--alt .rf-image-note{color:var(--ink-3)}
/* /robotics/ 陪伴机器狗展示：图片按原始比例展示（不裁切） */
.rf-gallery--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.rf-gallery--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.rf-shot--natural img{aspect-ratio:auto;object-fit:contain;height:auto}
.rf-shot--center{max-width:460px;margin:0 auto}
.rf-blockhead{margin:52px 0 20px}
.rf-blockhead h3{font-size:clamp(19px,2.1vw,24px);margin-bottom:6px}
.rf-blockhead p{color:var(--ink-2);font-size:15px;max-width:70ch}

@media (max-width:1080px){
  .rf-body{grid-template-columns:1fr;gap:24px}
  .robot-feature .rf-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rf-specs{grid-template-columns:1fr}
  .rf-gallery--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .robot-feature{padding:22px 18px}
  .rf-name{font-size:19px}
  .rf-spec{grid-template-columns:84px 1fr}
  .rf-points li{font-size:13.5px}
  .rf-gallery,.robot-feature .rf-gallery{grid-template-columns:1fr}
  .rf-gallery--2,.rf-gallery--3{grid-template-columns:1fr}
}

/* ==========================================================================
   官网 AI 接待（assets/js/ai-chat.js）：右下角入口 + 对话面板
   与「返回顶部」错开：入口默认停在它上方，面板展开时占满下方到 26px。
   没有配置 AI 时 ai-chat.js 不渲染任何节点，这些样式不会被用到。
   ========================================================================== */
/* 入口容器：整体贴右下角，内部自上而下是「面板 / 小气泡 / 入口按钮」。
   容器必须自带宽度（max-width），否则里面的绝对定位元素会按 0 宽收缩，
   「在线咨询」会被折成一列竖字 —— 这正是入口看起来又小又怪的原因。 */
.hy-ai{
  position:fixed;right:26px;bottom:26px;z-index:60;
  display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  max-width:calc(100vw - 32px);pointer-events:none;
}
.hy-ai>*{pointer-events:auto}
/* 收起时抬高，给右下角的「返回顶部」让位；展开时面板自己占住右下角 */
.hy-ai:not(.is-open){bottom:84px}
.hy-ai__launcher{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:9px 18px 9px 10px;border-radius:999px;color:#fff;text-align:left;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  box-shadow:0 12px 30px rgba(0,88,150,.34);
  transition:transform .2s ease,box-shadow .2s ease;
}
.hy-ai__launcher:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(0,88,150,.44)}
.hy-ai__launchericon{
  position:relative;flex:0 0 auto;display:grid;place-items:center;width:36px;height:36px;
  border-radius:50%;background:rgba(255,255,255,.18);font-size:19px;line-height:1;
}
.hy-ai__launchericon::after{
  content:'';position:absolute;inset:0;border-radius:50%;
  border:2px solid rgba(255,255,255,.8);animation:hyAiPing 2.8s ease-out infinite;
}
@keyframes hyAiPing{0%{transform:scale(1);opacity:.7}70%,100%{transform:scale(1.5);opacity:0}}
.hy-ai__launchertext{display:flex;flex-direction:column;line-height:1.3;white-space:nowrap}
.hy-ai__launchertext b{font-size:14.5px;font-weight:700}
.hy-ai__launchertext small{font-size:11.5px;opacity:.86}
.hy-ai.is-open .hy-ai__launcher{display:none}
/* 首次进站的小气泡：入口太安静，访客常常注意不到（点开或关掉后本次会话不再出现） */
.hy-ai__teaser{
  position:relative;width:232px;max-width:100%;padding:13px 30px 13px 14px;cursor:pointer;
  background:#fff;border:1px solid var(--line);border-radius:16px;text-align:left;
  box-shadow:0 16px 38px rgba(12,29,44,.18);
  opacity:0;transform:translateY(10px);transition:opacity .3s ease,transform .3s ease;
}
/* 显示状态由 .is-in 决定：即使浏览器不跑过渡，加上类之后也一定是可见的 */
.hy-ai__teaser.is-in{opacity:1;transform:none}
.hy-ai__teaser[hidden]{display:none}
.hy-ai__teasertext{display:flex;flex-direction:column;gap:3px}
.hy-ai__teasertext b{font-size:13.5px;color:var(--ink)}
.hy-ai__teasertext small{font-size:12px;color:var(--ink-3);line-height:1.55}
.hy-ai__teaserbtn{
  margin-top:9px;padding:7px 14px;border:0;border-radius:999px;color:#fff;cursor:pointer;
  font:inherit;font-size:12.5px;font-weight:600;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-400));
}
.hy-ai__teaserbtn:hover{opacity:.92}
.hy-ai__teaserclose{
  position:absolute;top:6px;right:6px;width:22px;height:22px;border:0;border-radius:50%;
  background:none;color:var(--ink-3);font:inherit;font-size:15px;line-height:1;cursor:pointer;
}
.hy-ai__teaserclose:hover{background:var(--bg-alt);color:var(--ink)}
@media (prefers-reduced-motion:reduce){
  .hy-ai__launchericon::after{animation:none}
  .hy-ai__teaser{transition:none}
}
.hy-ai__panel{
  position:static;display:flex;flex-direction:column;
  width:360px;max-width:100%;max-height:min(620px,calc(100vh - 140px));
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-lg);overflow:hidden;
}
/* 带 hidden 属性时要真隐藏：容器上的 display:flex 会盖掉浏览器默认的 [hidden] 规则 */
.hy-ai__panel[hidden]{display:none}
.hy-ai__head{
  display:flex;align-items:center;gap:10px;padding:14px;color:#fff;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-600));
}
.hy-ai__dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:#7CE38B;box-shadow:0 0 0 4px rgba(124,227,139,.25)}
.hy-ai__headtext{display:flex;flex-direction:column;flex:1;min-width:0;line-height:1.35}
.hy-ai__headtext b{font-size:15px}
.hy-ai__headtext small{font-size:12px;opacity:.82}
.hy-ai__close{flex:0 0 auto;padding:4px 7px;border-radius:8px;color:#fff;opacity:.85;font-size:19px;line-height:1}
.hy-ai__close:hover{opacity:1;background:rgba(255,255,255,.16)}
.hy-ai__log{
  flex:1;display:flex;flex-direction:column;gap:10px;overflow-y:auto;overscroll-behavior:contain;
  padding:14px;background:var(--bg-alt);min-height:180px;
}
.hy-ai__row{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.hy-ai__row--user{align-items:flex-end}
.hy-ai__bubble{
  max-width:86%;padding:10px 13px;border-radius:14px 14px 14px 4px;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:14.5px;line-height:1.7;white-space:pre-wrap;word-break:break-word;
}
.hy-ai__row--user .hy-ai__bubble{
  border-radius:14px 14px 4px 14px;background:var(--brand-700);border-color:var(--brand-700);color:#fff;
}
.hy-ai__bubble.is-typing{color:var(--ink-3);font-size:13.5px}
.hy-ai__bubble--error{background:#FFF4F2;border-color:#FFD9D2;color:#B3261E}
.hy-ai__retry{
  padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);
  background:#fff;color:var(--brand-700);font-size:13px;font-weight:600;
}
.hy-ai__retry:hover{border-color:var(--brand-400);color:var(--brand-600)}
.hy-ai__lead{padding:12px 14px;border-top:1px solid var(--line);background:var(--brand-050)}
.hy-ai__leadtip{font-size:12.5px;color:var(--ink-2);margin-bottom:8px}
.hy-ai__leadrow{display:flex;gap:8px;margin-bottom:8px}
.hy-ai__leadmsg{margin-top:8px;font-size:12.5px;color:var(--brand-700)}
.hy-ai__leadmsg.is-error{color:#B3261E}
.hy-ai__ask{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:#fff}
.hy-ai__input{
  width:100%;min-width:0;padding:10px 12px;border:1px solid var(--line-2);border-radius:10px;
  background:#fff;color:var(--ink);font:inherit;font-size:14.5px;
}
.hy-ai__input::placeholder{color:var(--ink-3)}
.hy-ai__send{
  flex:0 0 auto;padding:10px 16px;border-radius:10px;background:var(--brand-700);color:#fff;
  font-size:14px;font-weight:600;transition:background .2s ease;
}
.hy-ai__send:hover{background:var(--brand-600)}
.hy-ai__send:disabled{opacity:.55;cursor:default}
.hy-ai__foot{padding:0 14px 12px;background:#fff;color:var(--ink-3);font-size:12px;line-height:1.5}
/* 4 步问诊（规则分诊）：没配模型时官网照样有接待，题面与答案全部取自后台维护的站点资料 */
.hy-ai__foot{display:flex;flex-direction:column;gap:8px}
.hy-ai__footnote{font-size:12px;line-height:1.5}
.hy-ai__switch{
  align-self:flex-start;padding:6px 12px;border-radius:999px;cursor:pointer;
  border:1px dashed var(--line-2);background:#fff;color:var(--brand-700);
  font:inherit;font-size:12.5px;font-weight:600;transition:border-color .2s ease,color .2s ease;
}
.hy-ai__switch:hover{border-style:solid;border-color:var(--brand-400);color:var(--brand-600)}
.hy-ai__switch[hidden]{display:none}
.hy-ai__guide{display:flex;flex-direction:column;gap:14px}
.hy-ai__notice{
  padding:9px 11px;border-radius:10px;background:#FFF7EC;border:1px solid #FFE0BC;
  color:#8A5B00;font-size:12.5px;line-height:1.6;
}
.hy-ai__steps{display:flex;flex-wrap:wrap;gap:6px}
.hy-ai__step{padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-3);font-size:12px}
.hy-ai__step.is-on{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.hy-ai__step.is-done{background:var(--brand-050);border-color:var(--brand-200);color:var(--brand-700)}
.hy-ai__gblock{display:flex;flex-direction:column;gap:8px}
.hy-ai__gtitle{font-size:13.5px;color:var(--ink)}
.hy-ai__gtext{font-size:13px;color:var(--ink-2);line-height:1.65}
.hy-ai__ghint{font-size:12.5px;color:var(--brand-500)}
.hy-ai__opts{display:flex;flex-direction:column;gap:6px}
.hy-ai__opt{
  display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;cursor:pointer;
  padding:10px 12px;border-radius:10px;border:1px solid var(--line-2);background:#fff;
  color:var(--ink);font:inherit;font-size:13.5px;line-height:1.5;
  transition:border-color .2s ease,background .2s ease;
}
.hy-ai__opt:hover{border-color:var(--brand-400);background:var(--brand-050)}
.hy-ai__opt.is-on{background:var(--brand-050);border-color:var(--brand-700)}
.hy-ai__opt.is-on span{color:var(--brand-700);font-weight:600}
.hy-ai__optsmall{font-size:12px;color:var(--ink-3)}
.hy-ai__answers{display:flex;flex-direction:column;gap:8px}
.hy-ai__answer{display:flex;flex-direction:column;gap:3px;padding:10px 12px;border-radius:10px;background:#fff;border:1px solid var(--line)}
.hy-ai__answer b{font-size:13px;color:var(--brand-700)}
.hy-ai__answer span{font-size:13px;color:var(--ink-2);line-height:1.65}
.hy-ai__links{display:flex;flex-wrap:wrap;gap:6px}
.hy-ai__link{padding:5px 11px;border-radius:999px;border:1px solid var(--line-2);background:#fff;color:var(--brand-700);font-size:12.5px;font-weight:600}
.hy-ai__link:hover{border-color:var(--brand-400);color:var(--brand-600)}
.hy-ai__link--main{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.hy-ai__link--main:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.hy-ai__asks{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.hy-ai__asklead{flex:1 0 100%;font-size:12.5px;color:var(--ink-3)}
.hy-ai__askbtn{padding:5px 11px;border-radius:999px;border:1px dashed var(--line-2);background:#fff;color:var(--ink-2);font:inherit;font-size:12.5px;cursor:pointer;transition:border-color .2s ease,color .2s ease}
.hy-ai__askbtn:hover{border-style:solid;border-color:var(--brand-400);color:var(--brand-700)}
.hy-ai__pack{display:flex;flex-direction:column;gap:8px;padding:12px;border-radius:12px;background:var(--brand-050);border:1px solid var(--brand-200)}
.hy-ai__packtitle{font-size:13.5px;color:var(--brand-700)}
.hy-ai__packnote{font-size:12.5px;color:var(--ink-2);line-height:1.6}
.hy-ai__packmore{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.hy-ai__packbtn{padding:8px 14px;border-radius:10px;background:var(--brand-500);color:#fff;font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .2s ease}
.hy-ai__packbtn:hover{opacity:.9}
.hy-ai__packhint{font-size:12px;color:var(--ink-3);line-height:1.5}
.hy-ai__lead.is-pack{background:#FFF7EC;border-top-color:#FFE0BC}
/* 第 4 步 · 需求清单：单选 / 多选走 chip，文本项走一行输入框 */
.hy-ai__askcount{font-size:12.5px;color:var(--ink-3);line-height:1.6}
.hy-ai__field{display:flex;flex-direction:column;gap:5px}
.hy-ai__flabel{font-size:12.5px;font-weight:600;color:var(--ink-2)}
.hy-ai__chips{display:flex;flex-wrap:wrap;gap:5px}
.hy-ai__chip{padding:5px 11px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font:inherit;font-size:12.5px;cursor:pointer;transition:border-color .18s ease,background .18s ease,color .18s ease}
.hy-ai__chip:hover{border-color:var(--brand-400);background:var(--brand-050)}
.hy-ai__chip.is-on{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600}
.hy-ai__finput{width:100%;padding:8px 10px;border-radius:9px;border:1px solid var(--line);background:#fff;font:inherit;font-size:13px;color:var(--ink)}
.hy-ai__finput:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px var(--brand-050)}
.hy-ai__finput::placeholder{color:var(--ink-3)}
.hy-ai__askcta{display:flex;flex-direction:column;gap:6px;align-items:flex-start;padding-top:2px}

/* 自由提问（站内检索）：访客打字问一句，直接给官网原文与页面深链 */
.hy-ai__kmain{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.hy-ai__k{padding:11px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.hy-ai__kq{font-size:12.5px;color:var(--ink-3)}
.hy-ai__knote{font-size:12.5px;color:var(--ink-2);line-height:1.6}
.hy-ai__kitem{display:flex;flex-direction:column;gap:3px}
.hy-ai__klink{font-size:13px;font-weight:600;color:var(--brand-700);text-decoration:none}
.hy-ai__klink:hover{text-decoration:underline}
.hy-ai__kbody{font-size:12.5px;color:var(--ink-2);line-height:1.6}

@media (max-width:560px){
  .hy-ai{right:16px;bottom:16px;gap:10px}
  .hy-ai:not(.is-open){bottom:74px}
  .hy-ai__launcher{padding:8px 15px 8px 9px}
  .hy-ai__panel{width:calc(100vw - 32px);max-height:calc(100vh - 108px)}
  .hy-ai__leadrow{flex-direction:column}
  .hy-ai__opts{gap:5px}
  .hy-ai__opt{padding:9px 11px}
  .hy-ai__links{gap:5px}
  .hy-ai__link{font-size:12px}
  .hy-ai__chip{padding:5px 9px;font-size:12px}
}