/* ============================================================
   AOMAN FUTURE v3 · design-tokens.css
   方向 F 苹果极简 · 从零产出（v14.2 防复制：非任何既有站文件）
   共享组件唯一来源；页面特有样式才进页内 <style>
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --paper:#FFFFFF;
  --paper-soft:#F5F5F7;
  --ink:#1D1D1F;
  --ink-soft:#6E6E73;
  --ink-mute:#86868B;
  --blue:#0066CC;
  --blue-deep:#004C99;
  --blue-wash:#EAF3FB;
  --hairline:#E4E4E8;
  --font-sans:-apple-system,'SF Pro Display','Segoe UI','Inter',Roboto,'Helvetica Neue',Arial,sans-serif;
  --font-mono:ui-monospace,'SF Mono','Cascadia Mono','IBM Plex Mono',Consolas,monospace;
  --radius:18px;
  --radius-pill:980px;
  --shadow-card:0 2px 12px rgba(0,0,0,.06);
  --shadow-pop:0 12px 40px rgba(0,0,0,.16);
  --maxw:1180px;
  --space-1:8px;--space-2:16px;--space-3:24px;--space-4:40px;--space-5:64px;--space-6:96px;--space-7:128px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);font-size:17px;line-height:1.65;color:var(--ink);background:var(--paper)}
img{display:block;max-width:100%;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
table{border-collapse:collapse;width:100%}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em;line-height:1.1}
.h-xl{font-size:clamp(40px,6vw,72px)}
.h-lg{font-size:clamp(32px,4.6vw,56px)}
.h-md{font-size:clamp(26px,3.2vw,44px)}
.h-sm{font-size:clamp(21px,2.4vw,32px)}
h4,.h-xs{font-size:21px}
.lead{font-size:21px;line-height:1.5;color:var(--ink-soft)}
.small{font-size:14px;color:var(--ink-mute)}
.data,.mono{font-family:var(--font-mono);letter-spacing:.04em}
strong{font-weight:600;color:var(--ink)}

/* ---------- Layout / 节奏 ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--space-3)}
.section{padding:var(--space-6) 0}
.section-soft{background:var(--paper-soft)}
.section-hairline{border-top:1px solid var(--hairline)}
.section-head{max-width:720px;margin:0 auto var(--space-5);text-align:center}
.section-head .lead{margin-top:var(--space-2)}
.section-head.left{text-align:left;margin-left:0}

/* ---------- Grid（卡数=列数整倍数，禁孤行） ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-3)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-3)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- 签名：规格胶囊 / 型号铭牌 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-family:var(--font-mono);font-size:14px;letter-spacing:.06em;color:var(--ink);
  background:rgba(255,255,255,.82);border:1px solid var(--hairline);border-radius:var(--radius-pill);padding:6px 14px}
.chip-soft{background:var(--paper-soft)}
.plate{position:absolute;z-index:3;right:14px;bottom:12px;
  font-family:var(--font-mono);font-size:14px;letter-spacing:.1em;color:var(--ink);
  background:rgba(255,255,255,.85);border:1px solid var(--hairline);border-radius:6px;padding:4px 10px}
.plate-dark{color:#fff;background:rgba(0,0,0,.45);border-color:rgba(255,255,255,.25)}

/* ---------- 按钮（胶囊 CTA） ---------- */
.btn{display:inline-block;font-size:15px;font-weight:500;line-height:1;
  padding:14px 28px;border-radius:var(--radius-pill);transition:background .2s,color .2s,border-color .2s;text-align:center}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-ghost{color:var(--blue);border:1px solid var(--hairline);background:var(--paper)}
.btn-ghost:hover{border-color:var(--blue)}
.btn-white{background:#fff;color:var(--ink)}
.btn-sm{padding:10px 20px;font-size:14px}
.link-arrow{color:var(--blue);font-size:15px;padding:12px 0;font-weight:500}
.link-arrow:hover{text-decoration:underline}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--hairline)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 var(--space-3);height:56px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:var(--space-3)}
.nav-logo img{height:30px;width:auto}
.nav-logo{display:flex;align-items:center}
.nav-links{display:flex;align-items:center;gap:30px;justify-content:center}
.nav-links a{font-size:14px;color:var(--ink);opacity:.86}
.nav-links a:hover,.nav-links a.active{color:var(--blue);opacity:1}
.nav-actions{justify-self:end;display:flex;align-items:center;gap:10px}
.nav-logo{justify-self:start}
.nav-burger{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-burger span{width:20px;height:1.5px;background:var(--ink);display:block}

/* ---------- 产品下拉 ---------- */
.nav-item{position:relative}
.nav-drop-trigger{display:flex;align-items:center;gap:6px;cursor:pointer}
.nav-drop-trigger::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:transform .18s}
.nav-drop:hover .nav-drop-trigger::after,.nav-drop.open .nav-drop-trigger::after{transform:rotate(-135deg) translateY(-1px)}
/* hover 无缝：虚拟桥梁连接触发器与面板，避免鼠标下移消失在空隙 */
.nav-drop::after{content:"";position:absolute;left:-10px;right:-10px;top:100%;height:16px}
.nav-drop-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;border:1px solid var(--hairline);border-radius:14px;box-shadow:var(--shadow-pop);padding:12px;
  min-width:320px;display:grid;grid-template-columns:1.6fr 1fr;gap:8px;
  opacity:0;visibility:hidden;transition:opacity .18s,transform .18s,visibility .18s;z-index:60}
.nav-drop:hover .nav-drop-panel,.nav-drop:focus-within .nav-drop-panel,.nav-drop.open .nav-drop-panel{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nd-models a{display:block;padding:10px 14px;border-radius:10px}
.nd-models b{font-size:14px;color:var(--ink);display:block}
.nd-models small{display:block;font-size:12px;color:var(--ink-mute);margin-top:2px}
.nd-models a:hover{background:var(--paper-soft)}
.nd-more{border-left:1px solid var(--hairline);display:flex;flex-direction:column;gap:4px;padding-left:12px}
.nd-more a{font-size:13px;color:var(--ink-soft);padding:6px 8px;border-radius:8px}
.nd-more a:hover{background:var(--paper-soft)}

@media(max-width:860px){
  .nav-links{display:none;position:absolute;top:56px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;padding:var(--space-3);gap:18px;border-bottom:1px solid var(--hairline)}
  .nav-links.open{display:flex}
  .nav-burger{display:flex}
  .nav-drop-panel{position:static;transform:none;opacity:1;visibility:visible;display:none;
    grid-template-columns:1fr;box-shadow:none;border:1px solid var(--hairline);margin:8px 0 0 8px;
    padding:8px 10px;min-width:0}
  .nav-drop.open .nav-drop-panel{display:grid}
  .nd-more{border-left:none;padding-left:0;margin-left:0}
}

/* ---------- Hero（大图铺底 + 居中字） ---------- */
.hero{position:relative;min-height:88vh;display:flex;flex-direction:column;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img,.hero-bg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.82) 0%,rgba(255,255,255,.66) 45%,rgba(255,255,255,.38) 100%)}
.hero-content::before{content:"";position:absolute;inset:8% -6% auto;z-index:-1;height:62%;background:rgba(255,255,255,.55);border-radius:32px;filter:blur(6px)}
.hero-content{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:var(--space-6) var(--space-3) var(--space-5)}
.hero-content .lead{max-width:640px;margin-top:var(--space-3)}
.hero-cta{display:flex;align-items:center;gap:22px;margin-top:var(--space-4);flex-wrap:wrap;justify-content:center}
.hero .chip-row{justify-content:center;margin-top:var(--space-4)}

/* ---------- Sub-hero（内页） ---------- */
.sub-hero{position:relative;padding:calc(var(--space-6) + 24px) 0 var(--space-5);overflow:hidden}
.sub-hero .hero-bg,.sub-hero .hero-veil{position:absolute;inset:0}
.sub-hero .hero-veil{background:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.72) 50%,rgba(255,255,255,.30) 100%)}
.sub-hero .container{position:relative;z-index:2}
.sub-hero h1{max-width:640px}
.sub-hero p.lead{max-width:560px;margin-top:var(--space-2)}
.breadcrumb{font-size:14px;color:var(--ink-mute);margin-bottom:var(--space-3)}
.breadcrumb a{color:var(--ink-mute)}
.breadcrumb a:hover{color:var(--blue)}

/* ---------- 图文分屏（同高，图满幅） ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;gap:var(--space-5)}
.split-media{position:relative;overflow:hidden;border-radius:var(--radius);min-height:340px}
.split-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split-body{display:flex;flex-direction:column;justify-content:center;padding:var(--space-2) 0}
.split-body p{color:var(--ink-soft);margin-top:var(--space-2)}
@media(max-width:800px){.split{grid-template-columns:1fr}}

/* ---------- 卡片 ---------- */
.card{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;
  transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column}
a.card{color:inherit}
.card:hover{box-shadow:var(--shadow-card);transform:translateY(-2px)}
.section-soft .card{border-color:transparent;box-shadow:0 0 0 1px var(--hairline)}
.card-media{position:relative;aspect-ratio:3/2;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:var(--space-3);display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px}
.card-body p{font-size:14.5px;color:var(--ink-soft);flex:1}
.card-link{font-size:14px;font-weight:500;color:var(--blue)}
.card .chip-row{padding:0 var(--space-3) var(--space-3);margin-top:-4px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-3);text-align:center}
.stat b{display:block;font-size:clamp(34px,4vw,52px);font-weight:600;letter-spacing:-.02em}
.stat span{font-size:14px;color:var(--ink-soft)}
@media(max-width:800px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--hairline);border-radius:var(--radius)}
table.spec-table{font-size:14.5px}
.spec-table th{background:var(--paper-soft);text-align:left;font-weight:600;color:var(--ink)}
.spec-table th,.spec-table td{padding:12px 18px;border-bottom:1px solid var(--hairline);vertical-align:top}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{color:var(--ink-soft);width:38%}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--hairline);padding:var(--space-3) 0}
.faq-item h3{font-size:17px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;gap:16px}
.faq-item h3::after{content:'+';color:var(--ink-mute);font-weight:400;transition:transform .2s}
.faq-item.open h3::after{transform:rotate(45deg)}
.faq-item .faq-a{max-height:0;overflow:hidden;transition:max-height .3s;color:var(--ink-soft);font-size:15px}
.faq-item.open .faq-a{max-height:600px}
.faq-a-inner{padding-top:12px}

/* ---------- 询盘弹窗（死命令：左图右表双栏） ---------- */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.44);
  display:none;align-items:center;justify-content:center;padding:var(--space-3)}
.modal-overlay.open{display:flex}
.modal-dialog{position:relative;display:grid;grid-template-columns:1fr 1fr;max-width:760px;width:100%;
  max-height:92vh;overflow:hidden;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-pop)}
.modal-image-panel{position:relative;overflow:hidden;min-height:100%}
.modal-image-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.modal-image-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.55) 100%)}
.modal-image-text{position:absolute;left:22px;right:22px;bottom:20px;color:#fff;z-index:2}
.modal-image-text .mi-label{font-family:var(--font-mono);font-size:14px;letter-spacing:.12em;opacity:.85}
.modal-image-text .mi-value{font-size:15px;margin-top:6px;line-height:1.5}
.modal-form-panel{padding:var(--space-4) var(--space-4);display:flex;flex-direction:column;justify-content:center;overflow-y:auto}
.modal-form-panel h2{font-size:22px}
.modal-form-panel .mf-subtitle{font-size:14px;color:var(--ink-soft);margin:8px 0 16px}
.modal-close{position:absolute;top:12px;right:14px;z-index:10;width:34px;height:34px;border-radius:50%;
  background:rgba(0,0,0,.35);color:#fff;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
@media(max-width:640px){
  .modal-dialog{grid-template-columns:1fr;max-width:420px}
  .modal-image-panel{min-height:170px;max-height:190px}
}

/* ---------- 表单 ---------- */
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:14px;font-weight:500;color:var(--ink-soft);margin-bottom:6px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:11px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:var(--paper-soft);border:1px solid var(--hairline);border-radius:10px;transition:border-color .2s,background .2s}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--blue);background:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}

/* ---------- CTA band ---------- */
.cta-band{background:var(--blue-wash);border-radius:calc(var(--radius) + 6px);
  padding:var(--space-6) var(--space-4);text-align:center}
.cta-band h2{max-width:620px;margin:0 auto}
.cta-band p{color:var(--ink-soft);max-width:520px;margin:var(--space-2) auto 0}
.cta-band .hero-cta{justify-content:center}

/* ---------- 图标（装饰位） ---------- */
.icon-feature{width:52px;height:52px;object-fit:contain}
.icon-tile{width:96px;height:96px;border-radius:20px;background:var(--blue-wash);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.icon-tile img{width:84%;height:84%;object-fit:contain}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.fade-up.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.fade-up{opacity:1;transform:none;transition:none}}

/* ---------- 移动端 sticky 询盘条 ---------- */
.sticky-cta{display:none}
@media(max-width:640px){
  .sticky-cta{display:flex;gap:10px;position:sticky;bottom:0;z-index:40;
    padding:10px var(--space-3) calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);
    border-top:1px solid var(--hairline);backdrop-filter:blur(12px)}
  .sticky-cta .btn{flex:1}
}

/* ---------- Footer ---------- */
.footer{background:var(--paper-soft);border-top:1px solid var(--hairline);padding:var(--space-5) 0 var(--space-4);font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-4)}
.footer h3{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-mute);margin-bottom:14px}
.footer li{margin-bottom:9px}
.footer a{color:var(--ink-soft)}
.footer a:hover{color:var(--blue)}
.footer-brand img{height:26px;width:auto;margin-bottom:14px}
.footer-brand p{color:var(--ink-mute);max-width:300px;line-height:1.6}
.footer-legal a{padding:10px 0;display:inline-block}
.footer-legal{margin-top:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--hairline);
  display:flex;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap;color:var(--ink-mute)}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ---------- 博客文章排版（换壳壳内 .article 作用域） ---------- */
.post-meta{font-size:14px;color:var(--ink-soft);margin:10px 0 18px}
.post-meta a{display:inline-block;padding:10px 4px;margin:-10px -4px}
.article{max-width:760px;margin:0 auto}
.article h1{font-size:clamp(30px,4.4vw,44px);letter-spacing:-.02em;line-height:1.12;margin:18px 0 12px}
.article .post-meta{font-size:14px;color:var(--ink-mute);margin-bottom:28px}
.article .post-cover{margin:0 0 32px}
.article .post-cover img{width:100%;border-radius:18px}
.article h2{font-size:26px;letter-spacing:-.015em;line-height:1.25;margin:44px 0 14px}
.article h3{font-size:19px;margin:28px 0 10px}
.article p{margin:0 0 16px;color:#333336}
.article ul,.article ol{margin:0 0 16px 22px;list-style:disc;color:#333336}
.article ol{list-style:decimal}
.article li{margin-bottom:8px}
.article a{color:var(--blue)}
.article a:hover{text-decoration:underline}
.article img{border-radius:12px;margin:20px auto}
.article table{font-size:14.5px;margin:20px 0}
.article pre{overflow-x:auto;max-width:100%}
@media(max-width:900px){.article table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}}
.article table th{background:var(--paper-soft);text-align:left}
.article table th,.article table td{padding:10px 14px;border:1px solid var(--hairline)}
.article blockquote{border-left:3px solid var(--blue);padding:6px 0 6px 20px;margin:24px 0;color:var(--ink-soft)}
.article .author-box{display:flex;gap:16px;align-items:flex-start;background:var(--paper-soft);border-radius:14px;padding:20px;margin:44px 0 28px}
.article .author-box img{width:52px;height:52px;border-radius:50%;margin:0}
.article .author-box h3{margin:0 0 4px;font-size:15px}
.article .author-box p{margin:0;font-size:14px}
.article .related{margin:44px 0 0}
.article .related h2{margin:0 0 20px;font-size:24px}
.article .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.article .related-grid{grid-template-columns:1fr}}
.article .related-card{border:1px solid var(--hairline);border-radius:14px;overflow:hidden;display:block;color:inherit;transition:box-shadow .2s}
.article .related-card:hover{box-shadow:var(--shadow-card)}
.article .related-card img{width:100%;aspect-ratio:3/2;object-fit:cover;margin:0;border-radius:0}
.article .related-card .rc-body{padding:14px 16px}
.article .related-card h3{margin:0 0 6px;font-size:15px;line-height:1.35}
.article .related-card p{margin:0;font-size:14px;color:var(--ink-mute)}

/* ---------- 博客列表卡 ---------- */
.blog-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.blog-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.blog-list{grid-template-columns:1fr}}

/* ---------- 方形卡图容器（1/1 图防 3/2 硬裁） ---------- */
.card-media.sq{aspect-ratio:1/1}

/* ---------- 原理图容器（白底图完整展示，不裁切） ---------- */
.diagram-media{border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;
  display:flex;align-items:center;justify-content:center;background:var(--paper)}
.diagram-media img{width:100%;height:auto;display:block}

/* ---------- 服务体系：图标+标题+文案 特性卡 ---------- */
.support-card{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius);
  padding:var(--space-4) var(--space-3) var(--space-3);text-align:center}
.support-card img{width:72px;height:72px;object-fit:contain;margin:0 auto 18px}
.support-card h3{font-size:18px;letter-spacing:-.01em}
.support-card p{margin-top:10px;font-size:15px;line-height:1.6;color:var(--ink-soft)}
.support-foot{margin-top:var(--space-4);max-width:840px;margin-left:auto;margin-right:auto;
  display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap;
  background:var(--blue-wash);border-radius:var(--radius);padding:var(--space-3) var(--space-4)}
.support-foot p{font-size:15px;color:var(--ink-soft);flex:1;min-width:260px}
.support-foot strong{color:var(--ink)}

/* ---------- industries: pattern + case cards ---------- */
.pattern-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.pattern-list li{background:var(--paper);border:1px solid var(--hairline);border-radius:14px;padding:18px 20px;font-size:14px;color:var(--ink-soft);line-height:1.65}
.pattern-list li::before{content:"";display:block;width:26px;height:3px;border-radius:2px;background:var(--blue);margin-bottom:12px}
.case-machine{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:8px}
@media(max-width:860px){.pattern-list{grid-template-columns:1fr}}

/* ---------- cert wall + metric wall ---------- */
/* 铁律：证书/完整内容图零截断 —— cert-card-media 必须解除 card-media 的 3:2 容器与 cover 裁剪 */
.cert-card-media{background:#f6f7f9;padding:14px;display:block;aspect-ratio:auto!important;height:auto!important;overflow:visible!important}
.cert-card-media img{border:1px solid var(--hairline);border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.06);width:100%!important;height:auto!important;max-height:none!important;object-fit:contain!important;display:block}
.card-body h3.metric{font-size:30px;letter-spacing:-.02em;color:var(--blue);margin-bottom:8px}

/* ---------- 官方结构标注图：AI 保留机器+引线，HTML 层英文标签（清晰可读保证） ---------- */
.annot-media{position:relative;background:#fff;border:1px solid var(--hairline);border-radius:18px;padding:12px;max-width:900px;margin:0 auto}
.annot-media img{width:100%;height:auto;display:block;border-radius:10px}
.anno{position:absolute;font-size:12px;line-height:1.35;color:var(--ink);background:rgba(255,255,255,.94);border:1px solid var(--hairline);border-radius:6px;padding:3px 9px;box-shadow:0 1px 3px rgba(0,0,0,.08);white-space:nowrap;transform:translateY(-50%)}
.anno-right{right:1.5%;transform:translateY(-50%)}
.anno-left{left:1.5%;transform:translateY(-50%)}
@media(max-width:900px){.anno{font-size:12px;padding:2px 6px;max-width:45%;white-space:normal;line-height:1.25}}

@media(max-width:900px){
  .annot-media .anno{display:none}
  .annot-mobile-list{display:block}
}
@media(min-width:900px){
  .annot-mobile-list{display:none}
}
.annot-mobile-list{display:none;margin-top:16px;padding:0;list-style:none}
.annot-mobile-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--hairline);font-size:14px;color:var(--ink)}
.annot-mobile-list li b{flex-shrink:0;min-width:26px;font-weight:600}
.footer-contact{margin-top:14px;font-size:14px;line-height:1.7;color:var(--ink-soft)}
.footer-contact a{color:var(--ink-soft)}