/* ===== 小方盒子 · 高原制氧 ===== */
:root{
  --blue:#1C6BE4; --blue-deep:#0B4FB0; --blue-bright:#2F7BFF;
  --ink:#1A2536; --head:#16233a; --muted:#5d6b82; --faint:#8a97ab;
  --line:#e4ebf4; --bg-soft:#f4f8fd; --bg-blue:#eaf2fd;
  --sky-a:#cfe4f7; --sky-b:#f6fbff; --radius:14px;
  --shadow:0 10px 30px rgba(28,84,160,.08);
  --shadow-h:0 18px 44px rgba(28,84,160,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img,svg{display:block;max-width:100%}
.wrap{width:min(1180px,92vw);margin:0 auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:700;border-radius:9px;padding:11px 22px;font-size:.95rem;cursor:pointer;border:1.5px solid transparent;transition:.18s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));color:#fff;box-shadow:0 8px 20px rgba(28,84,160,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(28,84,160,.36)}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--blue-deep);border-color:#bcd4f4}
.btn-ghost:hover{background:#fff;border-color:var(--blue)}
.btn-lg{padding:14px 30px;font-size:1.02rem}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.25s}
.nav.scrolled{box-shadow:0 4px 20px rgba(28,84,160,.08)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{display:grid;place-items:center;filter:drop-shadow(0 4px 8px rgba(47,123,255,.3))}
.logo-text b{display:block;font-size:1.28rem;font-weight:900;letter-spacing:.04em;color:var(--head);line-height:1.1}
.logo-text i{display:block;font-size:.66rem;font-style:normal;color:var(--blue);letter-spacing:.18em;font-weight:500}
.menu{display:flex;gap:4px;margin-left:14px;flex:1}
.menu a{padding:8px 14px;font-size:.95rem;color:#3c4a60;font-weight:500;border-radius:8px;position:relative;transition:.15s}
.menu a:hover{color:var(--blue)}
.menu a.active{color:var(--blue);font-weight:700}
.menu a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2.5px;border-radius:2px;background:var(--blue)}
.nav-cta{padding:9px 20px;flex:0 0 auto}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2.5px;background:var(--head);border-radius:2px;transition:.2s}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;background:#dce9f6 url('hero-mountain.webp') center 38%/cover no-repeat;min-height:560px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(95deg,rgba(244,250,255,.95) 0%,rgba(244,250,255,.82) 34%,rgba(240,248,255,.32) 58%,rgba(240,248,255,0) 78%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;z-index:1;background:linear-gradient(180deg,transparent,rgba(255,255,255,.55))}
.hero-sky{display:none}
/* hero carousel slides (behind the ::before readability gradient at z-index 1) */
.hero-carousel{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease}
.hero-slide.active{opacity:1}
.hero-ctrl{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:46px;height:46px;border:0;border-radius:50%;background:rgba(255,255,255,.7);color:var(--blue-deep);font-size:1.7rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(20,50,90,.18);transition:.18s;backdrop-filter:blur(2px)}
.hero-ctrl:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.hero-ctrl.prev{left:18px}.hero-ctrl.next{right:18px}
.hero-dots{position:absolute;left:0;right:0;bottom:80px;z-index:4;display:flex;gap:9px;justify-content:center}
.hero-dots button{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:rgba(28,84,160,.32);cursor:pointer;transition:.2s}
.hero-dots button.on{background:var(--blue);width:26px;border-radius:6px}
.hero-inner{position:relative;z-index:2;padding:62px 0 56px}
.hero-copy{max-width:600px}
.hero-copy h1{font-size:clamp(1.5rem,2.55vw,2.35rem);font-weight:900;color:var(--head);line-height:1.18;letter-spacing:0;white-space:nowrap}
.hero-copy h1 .dot{color:var(--blue);margin:0 2px}
.hero-sub{margin-top:16px;font-size:1.05rem;color:#3f5170;font-weight:500}
.hero-badges{list-style:none;display:grid;grid-template-columns:repeat(4,auto);gap:14px 22px;margin:30px 0 34px;max-width:none;width:max-content}
.hero-badges li{display:flex;align-items:center;gap:11px}
.hb-ic{flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:0 6px 16px rgba(28,84,160,.14)}
.hero-badges b{display:block;font-size:.96rem;color:var(--head);font-weight:700}
.hero-badges i{font-style:normal;font-size:.82rem;color:var(--muted)}
.hero-cta{display:flex;gap:14px}

.hero-visual{position:relative;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.hv-car{position:absolute;top:0;left:-6%;width:340px;height:auto;z-index:1;filter:drop-shadow(0 14px 18px rgba(15,35,65,.22))}
.devices{position:relative;z-index:2;display:flex;align-items:flex-end;gap:18px;justify-content:center;margin-top:90px}
.dev{text-align:center}
.dev-img{display:block;border-radius:14px;box-shadow:var(--shadow-h);position:relative;overflow:hidden}
.dev-img::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.35),transparent 60%)}
.dev-a{width:104px;height:118px;background:#fff url('prod-1.webp') center/cover no-repeat}
.dev-b{width:154px;height:150px;background:#fff url('prod-2.webp') center/cover no-repeat}
.dev-c{width:110px;height:122px;background:#fff url('prod-4.webp') center/cover no-repeat}
.dev-main figcaption{font-weight:700}
.dev figcaption{margin-top:12px;font-size:.84rem;color:#46566f}
.dev-img::after{display:none}

/* ===== TRUST ===== */
.trust{position:relative;z-index:5;margin-top:-44px}
.trust-grid{background:#fff;border-radius:18px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(5,1fr);padding:26px 10px}
.trust-item{display:flex;gap:12px;padding:6px 18px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.ti-ic{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--bg-blue);display:grid;place-items:center;font-size:1.2rem;font-style:normal}
.trust-item b{display:block;font-size:1rem;color:var(--head);font-weight:700;line-height:1.3}
.trust-item span{font-size:.95rem;color:var(--head);font-weight:600}
.trust-item em{display:block;font-style:normal;font-size:.75rem;color:var(--faint);margin-top:3px;line-height:1.4}

/* ===== SECTION shells ===== */
.section{padding:66px 0}
.section-soft{background:var(--bg-soft)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:34px}
.sec-head.center{justify-content:center}
.sec-head h2{font-size:1.9rem;font-weight:900;color:var(--head);position:relative;padding-bottom:2px}
.sec-head h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-10px;width:42px;height:3px;border-radius:2px;background:var(--blue)}
.sec-head:not(.center) h2::after{left:0;transform:none}
.sec-more{color:var(--muted);font-size:.9rem;font-weight:500}
.sec-more:hover{color:var(--blue)}

/* ===== PRODUCTS ===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{background:linear-gradient(180deg,#fff,#f7fafe);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:flex;flex-direction:column;transition:.2s}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:#cfe0f6}
.pc-text h3{font-size:1.15rem;color:var(--head);font-weight:700;margin-bottom:8px}
.pc-text p{font-size:.86rem;color:var(--muted);line-height:1.6}
.pc-img{height:150px;margin:20px 0;border-radius:12px;background:#eef3fa;position:relative;overflow:hidden}
.pc-img::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.5),transparent 55%)}
.pi-1{background:#fff url('prod-1.webp') center/cover no-repeat}
.pi-2{background:#fff url('prod-2.webp') center/cover no-repeat}
.pi-3{background:#fff url('prod-3.webp') center/cover no-repeat}
.pi-4{background:#fff url('prod-4.webp') center/cover no-repeat}
.pc-link{margin-top:auto;color:var(--blue);font-weight:700;font-size:.9rem}
.pc-link:hover{letter-spacing:.02em}

/* ===== SOLUTIONS ===== */
.sol-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.sol-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.sol-img{height:96px;position:relative}
.sol-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(11,79,176,.12))}
.s1{background:#9ec3ec url('sol-1.webp') center/cover no-repeat}
.s2{background:#bcd0e6 url('sol-2.webp') center/cover no-repeat}
.s3{background:#7f93ad url('sol-3.webp') center/cover no-repeat}
.s4{background:#cdb9a6 url('sol-4.webp') center/cover no-repeat}
.s5{background:#a9cfc9 url('sol-5.webp') center/cover no-repeat}
.s6{background:#9fb6d6 url('sol-6.webp') center/cover no-repeat}
.sol-body{padding:14px 14px 18px}
.sol-body h3{font-size:.96rem;color:var(--head);font-weight:700;margin-bottom:5px}
.sol-body p{font-size:.76rem;color:var(--muted);line-height:1.5}

/* ===== LAB ===== */
.lab-grid{display:grid;grid-template-columns:.85fr 2.15fr;gap:34px;align-items:start}
.lab-intro h2{font-size:1.7rem;font-weight:900;color:var(--head);margin-bottom:20px}
.lab-points{list-style:none;margin-bottom:26px}
.lab-points li{position:relative;padding-left:24px;margin-bottom:12px;color:#3f4f68;font-size:.96rem}
.lab-points li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(47,123,255,.16)}
.lab-panel{display:grid;grid-template-columns:1.15fr .9fr .8fr 1.45fr;gap:18px}
.lp-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.lp-block h4{font-size:.96rem;color:var(--head);font-weight:700;margin-bottom:14px}
.lp-block h4 small{color:var(--faint);font-weight:400}
.lp-table table{width:100%;border-collapse:collapse}
.lp-table th{font-size:.78rem;color:var(--faint);font-weight:600;text-align:left;padding-bottom:10px;border-bottom:1px solid var(--line)}
.lp-table td{padding:11px 0;font-size:.96rem;color:var(--head);font-weight:600;border-bottom:1px dashed #eef2f7}
.lp-table td:last-child{color:var(--blue);font-weight:800}
.lp-table tr:last-child td{border-bottom:0}
.lp-gauge{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge{position:relative;width:122px;height:122px}
.gauge svg{transform:rotate(-90deg)}
.g-track{fill:none;stroke:#e9f0f9;stroke-width:11}
.g-fill{fill:none;stroke:var(--blue);stroke-width:11;stroke-linecap:round;stroke-dasharray:327;stroke-dashoffset:327;transition:stroke-dashoffset 1.4s cubic-bezier(.4,0,.2,1)}
.g-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.g-center b{font-size:1.7rem;font-weight:900;color:var(--head)}
.g-center b small{font-size:.9rem}
.g-center i{font-style:normal;font-size:.72rem;color:var(--faint)}
.lp-note{font-size:.82rem;color:var(--muted);margin-top:14px;line-height:1.5}
.lp-note b{color:var(--blue)}
.lp-note.small{margin-top:8px}
.lp-stats{display:flex;flex-direction:column;justify-content:center;gap:18px}
.stat span{font-size:.76rem;color:var(--faint)}
.stat b{display:block;font-size:1.5rem;font-weight:900;color:var(--blue);line-height:1.2;margin:2px 0}
.stat em{font-style:normal;font-size:.78rem;color:var(--muted)}
.lp-chart{display:flex;flex-direction:column}
.chart{width:100%;height:120px}
.chart .grid line{stroke:#eef2f7;stroke-width:1}
.c-line{fill:none;stroke:var(--blue);stroke-width:2.5;stroke-linejoin:round;stroke-dasharray:900;stroke-dashoffset:900;transition:stroke-dashoffset 1.8s ease}
.c-area{fill:rgba(47,123,255,.1);stroke:none;opacity:0;transition:opacity 1s ease .4s}
.chart-x{display:flex;justify-content:space-between;font-size:.7rem;color:var(--faint);margin-top:6px;position:relative}
.chart-x i{position:absolute;right:0;top:14px;font-style:normal}
.lab-panel.in .g-fill{stroke-dashoffset:var(--off,24)}
.lab-panel.in .c-line{stroke-dashoffset:0}
.lab-panel.in .c-area{opacity:1}

/* ===== CAPABILITY / PHOTOS ===== */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:34px}
.cap{text-align:center;padding:8px}
.cap i{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:16px;background:#fff;box-shadow:var(--shadow);font-size:1.5rem;font-style:normal;margin-bottom:14px}
.cap b{display:block;font-size:1.02rem;color:var(--head);font-weight:700;margin-bottom:6px}
.cap span{font-size:.82rem;color:var(--muted)}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ph-card{height:180px;border-radius:var(--radius);position:relative;overflow:hidden;box-shadow:var(--shadow);display:flex;align-items:flex-end}
.ph-card figcaption{position:relative;z-index:2;color:#fff;font-weight:700;padding:16px 18px;font-size:.96rem}
.ph-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(12,40,80,.6))}
.ph-1{background:#5b86c4 url('ph-1.webp') center/cover no-repeat}
.ph-2{background:#6f86a4 url('ph-2.webp') center/cover no-repeat}
.ph-3{background:#7d9ab8 url('ph-3.webp') center/cover no-repeat}

/* ===== CTA / CONTACT ===== */
.cta{background:linear-gradient(135deg,#103d86,#0a2a5e);color:#fff;padding:56px 0}
.cta-grid{display:grid;grid-template-columns:1.3fr 1fr .8fr;gap:40px}
.cta-lead h2{font-size:1.5rem;font-weight:800;line-height:1.4;margin-bottom:12px}
.cta-lead p{color:#bcd0ee;font-size:.95rem;margin-bottom:22px}
.cta-icons{list-style:none;display:flex;gap:20px;flex-wrap:wrap}
.cta-icons li{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.82rem;color:#cfe861;color:#d8e6fb}
.cta-icons i{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.1);font-style:normal;font-size:1.1rem;color:#8ec0ff}
.cta-contact h3,.cta-follow h3{font-size:1.12rem;font-weight:800;margin-bottom:18px}
.contact-list{list-style:none;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:12px;font-size:.92rem;color:#dce8f8}
.contact-list i{flex:0 0 auto;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.1);font-style:normal;color:#8ec0ff}
.follow-note{font-size:.82rem;color:#bcd0ee;margin-bottom:14px}
.qr{width:108px;height:108px;background:#fff;border-radius:10px;padding:9px}
.qr-grid{width:100%;height:100%;border-radius:4px;background:
  repeating-conic-gradient(#0a2a5e 0 25%, #fff 0 50%) 0 0/16px 16px}

/* ===== FOOTER ===== */
.foot{background:#0b1f3d;color:#9fb2cc}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 0;flex-wrap:wrap}
.logo-foot .logo-text b{color:#fff}.logo-foot .logo-text i{color:#7fa8e0}
.foot-nav{display:flex;gap:18px;flex-wrap:wrap}
.foot-nav a{font-size:.86rem;color:#9fb2cc}
.foot-nav a:hover{color:#fff}
.foot-copy{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;font-size:.78rem;color:#6f83a0;text-align:center}

/* ===== FLOAT CTA ===== */
.float-cta{position:fixed;right:18px;bottom:24px;z-index:40;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));color:#fff;display:grid;place-items:center;text-align:center;font-size:.78rem;font-weight:700;line-height:1.2;box-shadow:0 10px 26px rgba(28,84,160,.4);transition:.2s}
.float-cta:hover{transform:scale(1.08)}

/* ===== SVG ICON SIZING (line icons inherit currentColor) ===== */
.hb-ic{color:var(--blue)}
.hb-ic svg{width:22px;height:22px}
.ti-ic{color:var(--blue)}
.ti-ic svg{width:23px;height:23px}
.cap i{color:var(--blue)}
.cap i svg{width:27px;height:27px}
.cta-icons i svg{width:22px;height:22px}
.contact-list i svg{width:18px;height:18px}
[data-store] svg{display:inline-block}  /* cart icon inline with 网店 text */

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:980px){
  .menu,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .menu.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;padding:10px 18px 18px;box-shadow:0 18px 30px rgba(28,84,160,.12);border-bottom:1px solid var(--line)}
  .menu.open a{padding:12px 8px;border-bottom:1px solid var(--line)}
  .menu.open a.active::after{display:none}
  .hero-inner{grid-template-columns:1fr;gap:10px;padding:44px 0 40px}
  .hero-copy h1{white-space:normal}
  .hero-visual{min-height:240px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:10px 0}
  .trust-item:nth-child(2n){border-right:0}
  .trust-item{border-bottom:1px solid var(--line);padding-bottom:16px}
  .trust-item:nth-last-child(-n+1){border-bottom:0}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(3,1fr)}
  .lab-grid{grid-template-columns:1fr;gap:24px}
  .lab-panel{grid-template-columns:1fr 1fr}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .photo-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:30px}
}
@media(max-width:560px){
  .hero-badges{grid-template-columns:1fr}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .trust-grid{grid-template-columns:1fr}
  .trust-item{border-right:0}
  .prod-grid,.sol-grid{grid-template-columns:1fr 1fr}
  .lab-panel{grid-template-columns:1fr}
  .devices{gap:10px}
  .dev-b{width:120px;height:120px}
  .sec-head h2{font-size:1.55rem}
  .cta-icons{justify-content:space-between}
}

/* ===== 可视化编辑器 UI ===== */
#edit-toggle{position:fixed;right:18px;bottom:92px;z-index:130;background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));color:#fff;border:0;border-radius:999px;padding:12px 20px;font-family:inherit;font-weight:700;font-size:.92rem;cursor:pointer;box-shadow:0 10px 26px rgba(28,84,160,.4)}
#edit-bar{position:fixed;left:0;right:0;bottom:0;z-index:140;background:#0b2a5e;color:#fff;display:none;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;box-shadow:0 -8px 24px rgba(0,0,0,.2);flex-wrap:wrap}
#edit-bar.show{display:flex}
#edit-bar b{color:#9ec6ff}
#edit-bar .edit-actions{display:flex;gap:10px}
#edit-bar button{border:0;border-radius:8px;padding:9px 16px;font-family:inherit;font-weight:700;font-size:.88rem;cursor:pointer}
#edit-bar #edit-save{background:#2ecc71;color:#06351b}
#edit-bar #edit-cancel{background:rgba(255,255,255,.15);color:#fff}
#edit-bar #edit-exit{background:rgba(255,255,255,.15);color:#fff}
body.edit-mode [data-edit],body.edit-mode [data-setting]{outline:2px dashed var(--blue-bright);outline-offset:3px;cursor:text;border-radius:3px;transition:outline-color .15s}
body.edit-mode [data-edit]:hover,body.edit-mode [data-setting]:hover{outline-color:#1ea7ff;background:rgba(47,123,255,.05)}
body.edit-mode [data-edit-img]{outline:2px dashed var(--gold,#2F7BFF);outline-offset:3px;cursor:pointer}
body.edit-mode [data-edit-img]:hover{filter:brightness(.94)}
/* 背景图元素（公司照片 / 解决方案卡 / hero 等）在编辑态也高亮可点换图 */
body.edit-mode [data-edit-bg]{outline:2px dashed #2F7BFF;outline-offset:-2px;cursor:pointer;position:relative}
body.edit-mode [data-edit-bg]:hover{outline-color:#1ea7ff}
body.edit-mode [data-edit-bg]::before{content:"🖼 点击换图";position:absolute;top:8px;left:8px;z-index:5;background:rgba(28,84,160,.85);color:#fff;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:6px;pointer-events:none;opacity:0;transition:.15s}
body.edit-mode [data-edit-bg]:hover::before{opacity:1}

/* 关注二维码：可点上传的图（替代原 CSS 占位格子） */
.qr .qr-img{width:100%;height:100%;object-fit:contain;display:block;border-radius:4px}

/* 实验室曲线图：上传自有图后替换掉示意曲线（未上传则显示默认 SVG） */
.chart-wrap[data-bg-url]{min-height:160px;background-size:contain;background-repeat:no-repeat;background-position:center;border-radius:10px}
.chart-wrap[data-bg-url] > *{display:none}