:root{
    --teal:#00D1B2; --teal-dark:#00A68C; --teal-deep:#0B7A70; --teal-light:#E6FAF7;
    --ink:#15303b; --muted:#5b7280; --bg:#F9FAFB; --line:#dfeaec;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.7;background:#fff;}

/* 抵消 Bootstrap 3 默认排版间距，保持页内原有布局 */
.hero h1,.hero h2,.hero h3,.hero h4,.hero p,.hero ul,
.section h1,.section h2,.section h3,.section h4,.section p,.section ul{margin:0;}

.wrap{max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
#scene{max-width:1920px;margin:0 auto;}
.kicker{font-size:12px;letter-spacing:4px;color:var(--teal-dark);font-weight:700;margin-bottom:12px;}
.section .hy-h2{font-size:30px;font-weight:800;margin-bottom:12px;letter-spacing:.5px;}
.sub{font-size:15px;color:var(--muted);max-width:680px;}

/* ===== Hero：清爽医疗风 ===== */
.hero{background:linear-gradient(170deg,#e6faf6 0%,#eef9fb 55%,#ffffff 100%);padding:64px 0 0;border-bottom:1px solid var(--line);max-width:1920px;margin:0 auto;}
.hero-grid{max-width:1280px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.crumb{font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:inherit;text-decoration:none;}
.crumb a:hover{color:var(--teal-deep);}
.crumb b{color:var(--teal-deep);}
.hero h1{font-size:42px;font-weight:800;line-height:1.35;}
.hero h1 em{font-style:normal;color:var(--teal-dark);position:relative;}
.hero .lead{font-size:16px;font-weight:400;color:var(--muted);margin:20px 0 32px;max-width:560px;}
.hy-btn{display:inline-block;padding:13px 38px;border-radius:30px;font-size:15px;font-weight:600;text-decoration:none;transition:.25s;cursor:pointer;}
.hy-btn-main{background:linear-gradient(90deg,#00A68C,#00D1B2);color:#fff;box-shadow:0 6px 16px rgba(0,209,178,.3);}
.hy-btn-main:hover{transform:translateY(-2px);}
.hy-btn-ghost{background:#fff;color:var(--teal-deep);border:1px solid #9fe8dd;}
/* Hero 右侧：指标胶囊 */
.hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 10px 40px rgba(14,80,88,.08);}
.hero-card h4{font-size:13px;letter-spacing:2px;color:var(--teal-deep);margin-bottom:20px;}
.metric{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px dashed var(--line);}
.metric:last-child{border-bottom:none;}
.metric .lb{font-size:14px;color:var(--muted);}
.metric .vl{font-size:20px;font-weight:800;color:var(--teal-deep);font-variant-numeric:tabular-nums;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{font-size:12px;color:var(--teal-deep);background:var(--teal-light);border-radius:20px;padding:5px 14px;}
.hero-note{font-size:11px;color:#9db4bb;padding:16px 24px 26px;max-width:1280px;margin:0 auto;}

/* ===== 痛点：六宫格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px;}
.pain{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px;transition:.25s;}
.pain:hover{border-color:#9fe8dd;transform:translateY(-3px);box-shadow:0 10px 28px rgba(14,80,88,.1);}
.pain .ic{width:46px;height:46px;border-radius:12px;background:var(--teal-light);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;}
.pain h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.pain p{font-size:13px;color:var(--muted);}

/* ===== 场景：时间线式 ===== */
.scene-block{background:var(--bg);border-radius:18px;padding:36px 40px;display:grid;grid-template-columns:64px 1fr;gap:28px;margin-bottom:26px;transition:.25s;border:1px solid transparent;}
.scene-block:hover{border-color:#bfe5e0;box-shadow:0 8px 30px rgba(14,80,88,.08);}
.scene-block .num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#00A68C,#00D1B2);color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;}
.scene-block h3{font-size:19px;font-weight:800;margin-bottom:4px;}
.scene-block .en{font-size:11px;letter-spacing:2px;color:#8aa5ad;text-transform:uppercase;margin-bottom:12px;}
.scene-block p{font-size:14px;color:var(--muted);margin-bottom:12px;max-width:760px;}
.scene-block ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 24px;}
.scene-block li{font-size:13px;color:#33525c;padding-left:20px;position:relative;}
.scene-block li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700;}

/* ===== 闭环流程 ===== */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.loop .step{padding:30px 26px;border-right:1px solid var(--line);background:#fff;position:relative;}
.loop .step:last-child{border-right:none;}
.loop .step .sn{font-size:12px;font-weight:800;color:var(--teal-dark);letter-spacing:2px;}
.loop .step h3{font-size:17px;font-weight:800;margin:10px 0 6px;}
.loop .step p{font-size:13px;color:var(--muted);}
.loop .step .arrow{position:absolute;right:-11px;top:38px;z-index:2;width:22px;height:22px;background:var(--teal);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;}
.loop .step:last-child .arrow{display:none;}

/* ===== 安全 ===== */
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px;}
.sec-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:10px;padding:24px 26px;}
.sec-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.sec-card p{font-size:13px;color:var(--muted);}

/* ===== CTA ===== */
.cta{background:linear-gradient(120deg,#0B7A70,#00A68C 55%,#00D1B2);border-radius:18px;padding:56px 48px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:32px;}
.cta h2{font-size:27px;font-weight:800;}
.cta p{opacity:.9;font-size:14px;margin-top:8px;}
.cta .hy-btn{background:#fff;color:var(--teal-deep);border-radius:30px;}

@media(max-width:900px){
    .hero-grid,.scene-block{grid-template-columns:1fr;}
    .grid-3,.sec-grid{grid-template-columns:1fr;}
    .loop{grid-template-columns:1fr;} .loop .step{border-right:none;border-bottom:1px solid var(--line);} .loop .step .arrow{display:none;}
    .cta{flex-direction:column;align-items:flex-start;}
    .hero h1{font-size:30px;}
}