/* =========================================================================
   华智壹心 · 官网设计系统  (Apple-style)
   纯静态 · 无构建步骤 · 单文件 CSS
   ========================================================================= */

/* ---------- 设计令牌（Design Tokens） ---------- */
:root{
  /* 色彩 */
  --bg:           #fbfbfd;   /* 页面底色，Apple 近白 */
  --bg-alt:       #f5f5f7;   /* 交替区块底色 */
  --bg-dark:      #000000;   /* 戏剧化深色区块 */
  --bg-dark2:     #1d1d1f;
  --surface:      #ffffff;   /* 卡片表面 */
  --text:         #1d1d1f;   /* 主文字 */
  --text-2:       #424245;   /* 次文字 */
  --text-3:       #6e6e73;   /* 辅助文字 */
  --text-4:       #86868b;   /* 最弱文字 */
  --line:         #d2d2d7;   /* 分割线 */
  --line-soft:    rgba(0,0,0,.08);

  /* 品牌色（遥感科技蓝） */
  --brand:        #0071e3;   /* 主色 / 主按钮 */
  --brand-2:      #2997ff;   /* 渐变浅端 */
  --brand-deep:   #0058b9;
  --accent:       #5e5ce6;   /* 紫蓝辅色 */
  --accent-2:     #34c759;   /* 生命绿（植被/生态） */
  --grad-brand:   linear-gradient(135deg,#2997ff 0%,#0071e3 60%,#0058b9 100%);
  --grad-cosmos:  linear-gradient(160deg,#0a2540 0%,#061a33 40%,#000814 100%);
  --grad-aurora:  linear-gradient(135deg,#0071e3,#5e5ce6);

  /* 排版 */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text",
          "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Segoe UI",
          Roboto, "Helvetica", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* 尺寸 */
  --wrap: 1180px;            /* 主内容最大宽度 */
  --wrap-narrow: 820px;
  --radius:   22px;
  --radius-lg:30px;
  --radius-sm:14px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow:    0 8px 30px rgba(0,0,0,.08);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.12);

  /* 动效 */
  --ease: cubic-bezier(.4,0,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur: .5s;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
html,body{ background:var(--bg); }
body{
  font-family:var(--font);
  color:var(--text);
  line-height:1.5;
  font-size:17px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; height:auto; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }
button{ font:inherit; cursor:pointer; border:none; background:none; color:inherit; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; border-radius:4px; }
::selection{ background:rgba(0,113,227,.18); }

/* ---------- 排版工具 ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 22px; }
.wrap-narrow{ max-width:var(--wrap-narrow); }
.eyebrow{
  display:inline-block; font-size:14px; font-weight:600; letter-spacing:.06em;
  text-transform:uppercase; color:var(--brand); margin-bottom:14px;
}
.eyebrow.light{ color:var(--brand-2); }
h1,h2,h3,h4{ font-weight:600; letter-spacing:-.02em; line-height:1.1; color:var(--text); }
h2.title{ font-size:clamp(30px,4.4vw,52px); line-height:1.08; letter-spacing:-.03em; }
h2.title .grad{ background:var(--grad-aurora); -webkit-background-clip:text; background-clip:text; color:transparent; }
.lead{ font-size:clamp(17px,1.6vw,21px); color:var(--text-3); line-height:1.55; font-weight:400; }
.text-center{ text-align:center; }
.mx-auto{ margin-left:auto; margin-right:auto; }
.mt-xs{margin-top:8px}.mt-sm{margin-top:16px}.mt-md{margin-top:28px}.mt-lg{margin-top:48px}.mt-xl{margin-top:72px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-size:17px; font-weight:400; line-height:1;
  padding:12px 22px; border-radius:980px;
  transition:transform .25s var(--ease-out), background .25s var(--ease), color .25s, box-shadow .25s;
  white-space:nowrap;
}
.btn svg{ width:18px;height:18px; }
.btn-primary{ background:var(--brand); color:#fff; }
.btn-primary:hover{ background:var(--brand-deep); transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--brand); box-shadow:inset 0 0 0 1px var(--brand); }
.btn-ghost:hover{ background:var(--brand); color:#fff; transform:translateY(-1px); }
.btn-light{ background:rgba(255,255,255,.16); color:#fff; box-shadow:inset 0 0 0 1px rgba(255,255,255,.4); backdrop-filter:blur(8px); }
.btn-light:hover{ background:rgba(255,255,255,.28); transform:translateY(-1px); }
.btn-lightbox{ background:#fff; color:var(--text); }
.btn-lightbox:hover{ transform:translateY(-1px); box-shadow:var(--shadow); }
.btn-sm{ font-size:15px; padding:9px 16px; }
.btn-row{ display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }

/* ---------- 导航栏（毛玻璃） ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:52px; display:flex; align-items:center;
  background:rgba(251,251,253,.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.nav.scrolled{ border-bottom-color:var(--line-soft); }
.nav.dark{ background:rgba(0,0,0,.6); }
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; width:100%; }
.brand{ display:flex; align-items:center; gap:9px; font-weight:600; font-size:17px; letter-spacing:-.01em; }
.brand .logo-mark{
  width:26px; height:26px; border-radius:7px; background:var(--grad-brand);
  display:grid; place-items:center; color:#fff; font-size:14px; font-weight:700;
  box-shadow:0 2px 8px rgba(0,113,227,.4);
}
.brand .logo-img{ height:30px; width:auto; flex:0 0 auto; object-fit:contain; transition:opacity .2s; }
.brand:hover .logo-img{ opacity:.85; }
.footer .brand .logo-img{ height:34px; }
.nav.dark .brand .logo-img{ filter:drop-shadow(0 1px 4px rgba(0,0,0,.25)); }
.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links a{
  font-size:14px; color:var(--text-2); padding:7px 12px; border-radius:8px;
  transition:color .2s, background .2s;
}
.nav-links a:hover{ color:var(--text); background:rgba(0,0,0,.04); }
.nav.dark .nav-links a{ color:rgba(255,255,255,.82); }
.nav.dark .nav-links a:hover{ color:#fff; background:rgba(255,255,255,.1); }
.nav.dark .brand{ color:#fff; }
.nav-cta{ display:flex; align-items:center; gap:10px; }
.nav-toggle{ display:none; width:40px; height:40px; align-items:center; justify-content:center; border-radius:8px; }
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--text); position:relative; transition:.3s; }
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:var(--text); transition:.3s;
}
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }
.nav.dark .nav-toggle span,.nav.dark .nav-toggle span::before,.nav.dark .nav-toggle span::after{ background:#fff; }

/* 移动端：隐藏桌面导航与按钮，显示汉堡菜单 */
@media(max-width:860px){
  .nav-links{ display:none; }
  .nav-cta .btn{ display:none; }
  .nav-toggle{ display:flex; }
}

/* 移动端全屏菜单 */
.mobile-menu{
  position:fixed; inset:0 0 0 auto; width:min(420px,100%); z-index:1100;
  background:var(--bg); padding:80px 30px 40px; transform:translateX(100%); transition:transform .4s var(--ease-out);
  display:flex; flex-direction:column; gap:4px; overflow-y:auto;
  box-shadow:var(--shadow-lg);
}
.mobile-menu.open{ transform:translateX(0); }
.mobile-menu a{
  font-size:22px; font-weight:500; padding:14px 6px; border-bottom:1px solid var(--line-soft);
  display:flex; justify-content:space-between; align-items:center; color:var(--text);
}
.mobile-menu a::after{ content:"›"; color:var(--text-4); font-size:26px; }
.mobile-menu .btn{ margin-top:24px; justify-content:center; }
.scrim{ position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:1050; opacity:0; visibility:hidden; transition:.3s; }
.scrim.open{ opacity:1; visibility:visible; }

/* ---------- 区块（Section） ---------- */
.section{ padding:clamp(64px,9vw,120px) 0; }
.section.alt{ background:var(--bg-alt); }
.section.dark{ background:var(--bg-dark); color:#f5f5f7; }
.section.dark h1,.section.dark h2,.section.dark h3{ color:#fff; }
.section.dark .lead{ color:rgba(245,245,247,.72); }
.section-head{ max-width:760px; margin-bottom:clamp(36px,5vw,64px); }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head .lead{ margin-top:18px; }

/* ---------- 通用网格 ---------- */
.grid{ display:grid; gap:22px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media(max-width:900px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } .grid-2{ grid-template-columns:1fr; } }
@media(max-width:620px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface); border-radius:var(--radius); padding:32px;
  box-shadow:var(--shadow-sm); border:1px solid var(--line-soft);
  transition:transform .4s var(--ease-out), box-shadow .4s, border-color .4s;
  height:100%;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:rgba(0,113,227,.25); }
.card .ic{
  width:52px; height:52px; border-radius:14px; display:grid; place-items:center; margin-bottom:20px;
  background:linear-gradient(135deg,rgba(0,113,227,.12),rgba(94,92,230,.12)); color:var(--brand);
}
.card .ic svg{ width:26px; height:26px; }
.card h3{ font-size:21px; margin-bottom:10px; }
.card p{ color:var(--text-3); font-size:15.5px; line-height:1.55; }

/* 深色卡片 */
.section.dark .card{ background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.1); box-shadow:none; }
.section.dark .card:hover{ background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.2); transform:translateY(-4px); }
.section.dark .card p{ color:rgba(245,245,247,.7); }

/* ---------- 数据统计 ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.stat{ text-align:center; }
.stat .num{
  font-size:clamp(38px,5vw,60px); font-weight:600; letter-spacing:-.03em; line-height:1;
  background:var(--grad-aurora); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stat .label{ margin-top:10px; color:var(--text-3); font-size:15px; }
.section.dark .stat .label{ color:rgba(245,245,247,.7); }
@media(max-width:700px){ .stats{ grid-template-columns:repeat(2,1fr); gap:34px 20px; } }

/* ---------- Bento 网格（大小不一的卡片，Apple 风） ---------- */
.bento{ display:grid; grid-template-columns:repeat(6,1fr); grid-auto-rows:minmax(180px,auto); gap:18px; }
.bento .tile{
  border-radius:var(--radius); padding:30px; overflow:hidden; position:relative;
  background:var(--surface); border:1px solid var(--line-soft); box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease-out), box-shadow .4s;
}
.bento .tile:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.bento .tile h3{ font-size:22px; margin-bottom:8px; }
.bento .tile p{ color:var(--text-3); font-size:15px; }
.bento .tile .tag{ font-size:13px; font-weight:600; color:var(--brand); margin-bottom:14px; letter-spacing:.04em; }
.bento .t-wide{ grid-column:span 4; }
.bento .t-2{ grid-column:span 2; }
.bento .t-3{ grid-column:span 3; }
.bento .t-6{ grid-column:span 6; }
.tile.dark{ background:var(--grad-cosmos); color:#fff; border:none; }
.tile.dark h3{ color:#fff; } .tile.dark p{ color:rgba(245,245,247,.78); } .tile.dark .tag{ color:var(--brand-2); }
.tile.tinted{ background:var(--grad-brand); color:#fff; border:none; }
.tile.tinted h3{ color:#fff; } .tile.tinted p{ color:rgba(255,255,255,.85); } .tile.tinted .tag{ color:rgba(255,255,255,.8); }
@media(max-width:900px){
  .bento{ grid-template-columns:repeat(2,1fr); }
  .bento .t-wide,.bento .t-3,.bento .t-6{ grid-column:span 2; }
  .bento .t-2{ grid-column:span 1; }
}
@media(max-width:560px){ .bento{ grid-template-columns:1fr; } .bento .t-wide,.bento .t-2,.bento .t-3,.bento .t-6{ grid-column:span 1; } }

/* ---------- 媒体展示（截图框） ---------- */
.shot{
  border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-lg);
  border:1px solid var(--line-soft); background:#fff;
}
.shot img{ width:100%; display:block; }
.shot-flat{ border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.shot-frame{
  border-radius:14px; overflow:hidden; border:1px solid var(--line);
  box-shadow:0 2px 10px rgba(0,0,0,.06);
}
/* 浏览器窗口样式框 */
.window{ border-radius:14px; overflow:hidden; box-shadow:var(--shadow-lg); border:1px solid var(--line); background:#fff; }
.window .bar{ display:flex; gap:6px; padding:11px 14px; background:#f3f3f5; border-bottom:1px solid var(--line-soft); }
.window .bar i{ width:11px; height:11px; border-radius:50%; background:#e0e0e4; display:block; }
.window .bar i:nth-child(1){ background:#ff5f57; } .window .bar i:nth-child(2){ background:#febc2e; } .window .bar i:nth-child(3){ background:#28c840; }

/* 两图对比（处理前后） */
.compare{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.compare figure{ position:relative; }
.compare figcaption{
  position:absolute; top:12px; left:12px; font-size:12px; font-weight:600;
  background:rgba(0,0,0,.55); color:#fff; padding:4px 10px; border-radius:20px; backdrop-filter:blur(4px);
}
@media(max-width:560px){ .compare{ grid-template-columns:1fr; } }

/* ---------- 行业标签 / 客户徽标 ---------- */
.chips{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; }
.chip{
  font-size:15px; padding:9px 18px; border-radius:980px; background:var(--surface);
  border:1px solid var(--line-soft); color:var(--text-2); box-shadow:var(--shadow-sm);
  display:inline-flex; align-items:center; gap:8px;
}
.chip svg{ width:16px;height:16px; color:var(--brand); }
.section.dark .chip{ background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.14); color:#fff; }

.clients{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.client{
  background:var(--surface); border-radius:var(--radius-sm); padding:26px 22px; text-align:center;
  border:1px solid var(--line-soft); box-shadow:var(--shadow-sm); transition:transform .3s var(--ease-out),box-shadow .3s;
}
.client:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.client .nm{ font-size:18px; font-weight:600; color:var(--text); }
.client .sub{ font-size:13.5px; color:var(--text-3); margin-top:6px; }
@media(max-width:700px){ .clients{ grid-template-columns:1fr; } }

/* ---------- 时间线 ---------- */
.timeline{ position:relative; max-width:780px; margin:0 auto; padding-left:34px; }
.timeline::before{ content:""; position:absolute; left:8px; top:6px; bottom:6px; width:2px; background:var(--line); }
.tl-item{ position:relative; padding-bottom:36px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{ content:""; position:absolute; left:-32px; top:4px; width:18px; height:18px; border-radius:50%; background:var(--grad-brand); box-shadow:0 0 0 4px var(--bg); }
.section.alt .tl-item::before{ box-shadow:0 0 0 4px var(--bg-alt); }
.tl-item .yr{ font-size:14px; font-weight:600; color:var(--brand); }
.tl-item h4{ font-size:19px; margin:4px 0 6px; }
.tl-item p{ color:var(--text-3); font-size:15px; }

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:var(--grad-cosmos); color:#fff; border-radius:var(--radius-lg);
  padding:clamp(40px,6vw,72px); text-align:center; position:relative; overflow:hidden;
}
.cta-band h2{ color:#fff; font-size:clamp(28px,4vw,44px); }
.cta-band p{ color:rgba(245,245,247,.8); font-size:clamp(16px,1.6vw,19px); margin-top:14px; }
.cta-band .btn-row{ margin-top:30px; }
.cta-band::after{
  content:""; position:absolute; width:480px; height:480px; right:-160px; top:-220px; border-radius:50%;
  background:radial-gradient(circle,rgba(41,151,255,.35),transparent 65%); pointer-events:none;
}

/* ---------- 通用内容排版 ---------- */
.prose{ max-width:760px; }
.prose p{ color:var(--text-2); font-size:17px; line-height:1.7; margin-bottom:16px; }
.prose h3{ font-size:24px; margin:34px 0 12px; }
.prose ul{ margin:0 0 16px; }
.prose ul li{ position:relative; padding-left:26px; margin-bottom:10px; color:var(--text-2); line-height:1.6; }
.prose ul li::before{ content:""; position:absolute; left:4px; top:9px; width:8px; height:8px; border-radius:50%; background:var(--grad-brand); }

/* 特性清单（带勾） */
.feat-list{ display:grid; gap:14px; }
.feat-list li{ display:flex; gap:12px; align-items:flex-start; font-size:15.5px; color:var(--text-2); line-height:1.5; }
.feat-list .ck{ flex:0 0 22px; width:22px; height:22px; border-radius:50%; background:rgba(52,199,89,.15); color:var(--accent-2); display:grid; place-items:center; margin-top:1px; }
.feat-list .ck svg{ width:13px;height:13px; }

/* ---------- 锚点偏移（固定导航） ---------- */
:target{ scroll-margin-top:80px; }

/* ---------- 页脚 ---------- */
.footer{ background:#f5f5f7; padding:60px 0 30px; color:var(--text-3); border-top:1px solid var(--line-soft); }
.footer .cols{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:30px; margin-bottom:40px; }
.footer h5{ font-size:13px; font-weight:600; color:var(--text); margin-bottom:14px; letter-spacing:.02em; }
.footer a{ display:block; font-size:13.5px; color:var(--text-3); padding:5px 0; transition:color .2s; }
.footer a:hover{ color:var(--brand); }
.footer .brand{ font-size:16px; margin-bottom:12px; }
.footer .fblurb{ font-size:13px; line-height:1.6; max-width:280px; }
.footer-bottom{ border-top:1px solid var(--line-soft); padding-top:22px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:12.5px; }
.footer-bottom a{ color:var(--text-3); }
.footer-bottom a:hover{ color:var(--brand); }
.icp{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
@media(max-width:820px){ .footer .cols{ grid-template-columns:1fr 1fr; } }
@media(max-width:520px){ .footer .cols{ grid-template-columns:1fr; } }

/* ---------- 滚动渐显动画（渐进增强：无 JS 时内容默认可见） ---------- */
.js .reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease-out), transform .8s var(--ease-out); will-change:opacity,transform; }
.js .reveal.in{ opacity:1; transform:none; }
.js .reveal.d1{ transition-delay:.08s; } .js .reveal.d2{ transition-delay:.16s; }
.js .reveal.d3{ transition-delay:.24s; } .js .reveal.d4{ transition-delay:.32s; }
.js .reveal.d5{ transition-delay:.4s; }
@media(prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; }
}

/* ---------- 产品流水线步骤 ---------- */
.pipe-step{
  display:block; padding:30px 22px; text-align:center; position:relative;
  border-right:1px solid var(--line); transition:background .3s, transform .3s var(--ease-out);
}
.pipe-step:last-child{ border-right:none; }
.pipe-step:hover{ background:var(--surface); border-radius:var(--radius-sm); transform:translateY(-4px); box-shadow:var(--shadow); }
.pipe-step .pipe-num{ font-size:13px; font-weight:700; color:var(--text-4); letter-spacing:.1em; }
.pipe-step .pipe-ic{ font-size:34px; margin:14px 0 6px; line-height:1; }
.pipe-step h3{ font-size:22px; margin-bottom:4px; }
.pipe-step p{ color:var(--text-2); font-size:15px; font-weight:500; margin-bottom:4px; }
.pipe-step span{ color:var(--text-4); font-size:12.5px; }
@media(max-width:900px){
  .pipe-step{ border-right:none; border-bottom:1px solid var(--line); }
  .pipe-step:last-child{ border-bottom:none; }
}
@media(max-width:620px){
  .pipe-step{ border-bottom:1px solid var(--line); }
}

/* ---------- 面包屑 ---------- */
.crumbs{ font-size:13.5px; color:var(--text-4); display:flex; gap:8px; align-items:center; }
.crumbs a:hover{ color:var(--brand); }
.crumbs span{ color:var(--text-4); }

/* ---------- 图片卡片（产品矩阵 / 行业 / 解决方案） ---------- */
.img-card{
  display:block; background:var(--surface); border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--line-soft); box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease-out), box-shadow .4s; height:100%;
}
.img-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.img-card .ph{ aspect-ratio:16/10; overflow:hidden; background:var(--bg-alt); }
.img-card .ph img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease-out); }
.img-card:hover .ph img{ transform:scale(1.06); }
.img-card .pb{ padding:24px; }
.img-card .pb h3{ font-size:20px; margin-bottom:8px; }
.img-card .pb p{ color:var(--text-3); font-size:14.5px; line-height:1.5; }
.img-card .pl{ display:inline-flex; align-items:center; gap:6px; color:var(--brand); font-size:14px; font-weight:500; margin-top:14px; }
.img-card .pl svg{ width:16px;height:16px; transition:transform .25s; }
.img-card:hover .pl svg{ transform:translateX(3px); }

/* ---------- 合作伙伴 logo 墙 ---------- */
.partner-wall{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.partner{
  background:var(--surface); border:1px solid var(--line-soft); border-radius:var(--radius);
  padding:30px 22px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  box-shadow:var(--shadow-sm); transition:transform .3s var(--ease-out), box-shadow .3s; text-align:center; min-height:120px;
}
.partner:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.partner .p-mark{ font-size:19px; font-weight:600; color:var(--text); letter-spacing:-.01em; }
.partner .p-sub{ font-size:12.5px; color:var(--text-3); }
@media(max-width:700px){ .partner-wall{ grid-template-columns:1fr; } }

/* ---------- 产品矩阵 · MIOS 中枢连线图 ---------- */
.matrix-diagram{ position:relative; max-width:860px; margin:0 auto; aspect-ratio:10/7; }
.matrix-diagram .md-svg{ position:absolute; inset:0; width:100%; height:100%; z-index:1; pointer-events:none; }
.matrix-diagram .md-node{ position:absolute; z-index:2; transform:translate(-50%,-50%); width:32%; }
.matrix-diagram .mdc{ display:block; background:var(--surface); border:1px solid var(--line-soft); border-radius:var(--radius); padding:16px 12px; text-align:center; box-shadow:var(--shadow-sm); transition:transform .3s var(--ease-out), box-shadow .3s, border-color .3s; }
.matrix-diagram .md-node:hover .mdc{ transform:translateY(-3px); box-shadow:var(--shadow); border-color:var(--brand); }
.matrix-diagram .md-node h4{ font-size:17px; margin-bottom:2px; letter-spacing:-.01em; }
.matrix-diagram .md-node span{ font-size:11.5px; color:var(--text-3); display:block; }
.matrix-diagram .md-center{ width:30%; }
.matrix-diagram .md-center .mdc{ background:var(--grad-brand); border:none; color:#fff; box-shadow:0 12px 30px rgba(0,113,227,.35); }
.matrix-diagram .md-center h4{ color:#fff; font-size:18px; }
.matrix-diagram .md-center span{ color:rgba(255,255,255,.88); }
.md-tl{ left:17%; top:16%; } .md-tr{ left:83%; top:16%; }
.md-center{ left:50%; top:50%; }
.md-bl{ left:17%; top:84%; } .md-br{ left:83%; top:84%; }
.matrix-cap{ text-align:center; margin-top:22px; color:var(--text-3); font-size:14px; }
@media(max-width:680px){
  .matrix-diagram{ aspect-ratio:auto; display:grid; grid-template-columns:1fr 1fr; gap:12px; }
  .matrix-diagram .md-svg{ display:none; }
  .matrix-diagram .md-node{ position:static; transform:none; width:auto; }
  .matrix-diagram .md-center{ grid-column:1 / -1; }
}

/* ---------- 页面通用 Hero（内页顶部） ---------- */
.page-hero{ padding:140px 0 64px; text-align:center; background:var(--bg-alt); }
.page-hero .eyebrow{ margin-bottom:18px; }
.page-hero h1{ font-size:clamp(36px,6vw,64px); letter-spacing:-.03em; line-height:1.05; }
.page-hero .lead{ max-width:680px; margin:22px auto 0; }

/* ---------- 工具类 ---------- */
.hidden{ display:none !important; }
.fullbleed{ width:100vw; margin-left:calc(50% - 50vw); }
.badge{ display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:600; padding:5px 12px; border-radius:980px; background:rgba(0,113,227,.1); color:var(--brand); }
.badge.green{ background:rgba(52,199,89,.12); color:var(--accent-2); }
.badge.dark{ background:rgba(255,255,255,.12); color:#fff; }