/* 智享健康信息 · 江门智享医疗器械有限公司
   配色：深海蓝主色 + 青绿点缀
   设计要点：深色头图建立重量，分区色块建立节奏，卡片阴影建立层次 */

:root{
  /* 主色 · 深海蓝 */
  --navy-900:#0C2245;
  --navy-800:#123159;
  --navy-700:#1B4B8F;
  --navy-600:#2B6CB0;
  --navy-100:#E8EFF9;
  --navy-50:#F3F7FD;

  /* 点缀 · 青绿 */
  --teal-600:#0A9E8C;
  --teal-500:#0FB5A0;
  --teal-100:#DFF6F2;

  /* 文字 */
  --ink:#16233A;
  --ink-2:#42536E;
  --ink-3:#7A8AA3;
  --ink-4:#9AA9BE;

  /* 面 */
  --bg:#FFFFFF;
  --bg-soft:#F6F9FD;
  --bg-warm:#FDF9F2;
  --line:#E2E9F3;
  --line-2:#D0DBEA;

  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 3px rgba(18,49,89,.06), 0 1px 2px rgba(18,49,89,.04);
  --shadow-md:0 4px 16px rgba(18,49,89,.08), 0 2px 6px rgba(18,49,89,.04);
  --shadow-lg:0 12px 36px rgba(12,34,69,.12);
  --max:1120px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.8;font-size:15.5px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;}

/* ============ 顶部导航 ============ */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex:none;}
.brand img{width:38px;height:38px;flex:none;}
.brand .txt{display:flex;flex-direction:column;line-height:1.15;}
.brand .cn{font-size:18.5px;font-weight:700;color:var(--navy-800);letter-spacing:1px;}
.brand .en{font-size:9.5px;color:var(--ink-4);letter-spacing:2.6px;font-weight:500;margin-top:3px;}

nav ul{display:flex;gap:2px;list-style:none;flex-wrap:wrap;}
nav a{
  display:block;padding:9px 15px;border-radius:9px;
  color:var(--ink-2);font-size:14.5px;font-weight:500;transition:.18s;white-space:nowrap;
}
nav a:hover{background:var(--navy-50);color:var(--navy-700);}
nav a.active{color:var(--navy-700);font-weight:600;background:var(--navy-100);}

/* ============ 首页头图 · 深色 ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0C2245 0%,#123159 42%,#1B4B8F 100%);
  padding:82px 0 76px;color:#fff;
}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,181,160,.30) 0%,rgba(15,181,160,0) 68%);
}
.hero::after{
  content:"";position:absolute;left:-100px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,108,176,.42) 0%,rgba(43,108,176,0) 70%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(15,181,160,.16);border:1px solid rgba(15,181,160,.4);
  color:#8FF0E0;font-size:12.5px;padding:5px 14px;border-radius:999px;margin-bottom:22px;letter-spacing:.5px;
}
.hero-badge i{width:5px;height:5px;border-radius:50%;background:#17C9B2;display:block;}
.hero h1{font-size:36px;line-height:1.42;font-weight:700;letter-spacing:.5px;max-width:720px;}
.hero h1 em{font-style:normal;color:#5FE3CE;}
.hero .lead{margin-top:20px;font-size:16px;color:#B9CCE3;max-width:660px;line-height:1.9;}
.hero-tags{display:flex;gap:11px;flex-wrap:wrap;margin-top:32px;}
.hero-tags a{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#E4EEF9;padding:9px 17px;border-radius:999px;font-size:13.5px;transition:.2s;
}
.hero-tags a:hover{background:rgba(15,181,160,.22);border-color:rgba(15,181,160,.55);color:#fff;}
.hero-tags b{color:#5FE3CE;font-weight:600;}

/* ============ 内页头 ============ */
.page-head{
  background:linear-gradient(135deg,#0C2245 0%,#1B4B8F 100%);
  padding:52px 0 46px;color:#fff;position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;right:-120px;top:-100px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,181,160,.26) 0%,rgba(15,181,160,0) 70%);
}
.page-head .wrap{position:relative;z-index:2;}
.page-head .crumb{font-size:12.5px;color:#8FA9C9;margin-bottom:14px;letter-spacing:.4px;}
.page-head .crumb a{color:#8FA9C9;}
.page-head .crumb a:hover{color:#5FE3CE;}
.page-head h1{font-size:29px;font-weight:700;letter-spacing:.8px;}
.page-head p{margin-top:14px;color:#B9CCE3;font-size:15px;max-width:720px;line-height:1.85;}
.page-head .count-tag{
  display:inline-block;margin-top:18px;background:rgba(15,181,160,.16);
  border:1px solid rgba(15,181,160,.38);color:#8FF0E0;
  font-size:12.5px;padding:4px 13px;border-radius:999px;
}

/* ============ 分区 ============ */
section{padding:66px 0;}
section.soft{background:var(--bg-soft);}
section.tight{padding:46px 0;}
.sec-head{margin-bottom:36px;}
.sec-head .bar{width:44px;height:4px;background:linear-gradient(90deg,var(--teal-500),var(--navy-600));border-radius:3px;margin-bottom:16px;}
.sec-head h2{font-size:25px;font-weight:700;letter-spacing:.4px;color:var(--navy-800);}
.sec-head p{margin-top:9px;color:var(--ink-3);font-size:14.5px;max-width:680px;}

/* ============ 栏目卡片 ============ */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid.two{grid-template-columns:repeat(2,1fr);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:.22s;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--teal-500),var(--navy-600));
  transform:scaleX(0);transform-origin:left;transition:.28s;
}
a.card:hover{border-color:var(--line-2);box-shadow:var(--shadow-md);transform:translateY(-3px);}
a.card:hover::before{transform:scaleX(1);}
.card h3{font-size:17px;font-weight:700;margin-bottom:11px;color:var(--navy-800);letter-spacing:.3px;}
.card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.card .ico{
  width:46px;height:46px;border-radius:13px;
  background:linear-gradient(135deg,var(--navy-100),var(--teal-100));
  display:flex;align-items:center;justify-content:center;margin-bottom:19px;
}
.card .ico svg{width:24px;height:24px;}
.card .more{
  display:inline-flex;align-items:center;gap:5px;margin-top:16px;
  font-size:13px;font-weight:600;color:var(--teal-600);
}

/* ============ 文章列表卡片 ============ */
.art-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.art-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.24s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
}
.art-item:hover{border-color:var(--line-2);box-shadow:var(--shadow-lg);transform:translateY(-4px);}
.art-item .thumb{
  height:150px;overflow:hidden;background:var(--navy-50);position:relative;flex:none;
}
.art-item .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.art-item:hover .thumb img{transform:scale(1.045);}
.art-item .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.art-item .no{
  display:inline-block;font-size:11.5px;font-weight:600;color:var(--teal-600);
  background:var(--teal-100);padding:3px 10px;border-radius:999px;margin-bottom:11px;
  align-self:flex-start;letter-spacing:.5px;
}
.art-item h3{font-size:16.5px;font-weight:700;margin-bottom:10px;line-height:1.55;color:var(--navy-800);}
.art-item p{font-size:13.5px;color:var(--ink-3);line-height:1.75;flex:1;}

/* ============ 单篇文章 ============ */
.post{max-width:780px;margin:0 auto;}
.post-head{margin-bottom:30px;}
.post h1{font-size:29px;line-height:1.5;font-weight:700;margin-bottom:16px;color:var(--navy-800);letter-spacing:.3px;}
.post .post-meta{
  font-size:13px;color:var(--ink-3);padding-bottom:22px;
  border-bottom:2px solid var(--line);display:flex;gap:16px;flex-wrap:wrap;align-items:center;
}
.post .post-meta span{display:inline-flex;align-items:center;gap:6px;}
.post .post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-4);}
.post-hero{
  margin:0 0 34px;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-md);background:var(--navy-50);
}
.post-hero img{width:100%;display:block;}
.post h2{
  font-size:20px;font-weight:700;margin:44px 0 15px;color:var(--navy-800);
  padding-left:14px;border-left:4px solid var(--teal-500);line-height:1.5;
}
.post h3{font-size:16.5px;font-weight:700;margin:28px 0 11px;color:var(--navy-700);}
.post p{font-size:15.5px;line-height:2;color:#2A3A54;margin-bottom:17px;}
.post ul,.post ol{margin:0 0 20px 24px;}
.post li{font-size:15.5px;line-height:1.95;color:#2A3A54;margin-bottom:10px;}
.post li::marker{color:var(--teal-600);font-weight:600;}
.post strong{font-weight:600;color:var(--navy-800);}
.post table td strong{color:var(--navy-800);}

/* 法规原文引用块 */
.clause{
  margin:24px 0 28px;border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid #C9DDF0;background:#F5F9FE;
  box-shadow:inset 4px 0 0 var(--navy-600);
}
.clause-hd{
  background:var(--navy-100);color:var(--navy-700);
  font-size:12.5px;font-weight:700;padding:11px 20px;letter-spacing:.4px;
  border-bottom:1px solid #C9DDF0;
}
.clause blockquote{
  padding:18px 20px 14px;font-size:14.8px;line-height:2.05;color:#1C2E48;
  font-family:"Songti SC","SimSun","Source Han Serif SC",Georgia,serif;
}
.clause figcaption{
  padding:0 20px 15px;font-size:12.3px;color:var(--ink-3);line-height:1.75;
  border-top:1px dashed #D6E4F2;margin-top:14px;padding-top:11px;
}

/* 信息来源说明框 */
.source-box{
  margin-top:36px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--bg-soft);padding:22px 24px;
}
.source-box h4{
  font-size:14px;font-weight:700;color:var(--navy-800);margin-bottom:7px;
  letter-spacing:.3px;display:flex;align-items:center;gap:8px;
}
.source-box h4::before{content:"";width:4px;height:14px;background:var(--teal-500);border-radius:2px;}
.source-box .kind{
  font-size:12.3px;color:var(--teal-600);font-weight:600;
  margin-bottom:13px;padding-bottom:11px;border-bottom:1px dashed #D5DFEC;
}
.source-box ul{list-style:none;margin:0;}
.source-box li{font-size:13px;line-height:1.9;color:var(--ink-2);margin-bottom:10px;}
.source-box li:last-child{margin-bottom:0;}
.source-box .k{
  display:inline-block;background:#fff;border:1px solid #D5DFEC;color:var(--navy-700);
  border-radius:5px;padding:1px 8px;font-size:11.5px;margin-right:9px;
  white-space:nowrap;font-weight:600;
}

.post .disclaimer{
  background:var(--bg-warm);border:1px solid #F0E3C8;border-radius:var(--radius-sm);
  padding:16px 20px;font-size:13.3px;color:#6B5730;margin-top:22px;line-height:1.85;
}
.post-back{
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);
}
.post-back a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--navy-700);
  background:var(--navy-50);padding:10px 20px;border-radius:9px;transition:.18s;
}
.post-back a:hover{background:var(--navy-100);color:var(--navy-800);}

/* ============ 表格 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;margin:22px 0;}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:600px;}
th{
  background:var(--navy-800);text-align:left;padding:14px 18px;font-weight:600;
  color:#fff;border-bottom:none;white-space:nowrap;font-size:13.5px;
}
td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.75;}
tbody tr:nth-child(even){background:#FAFCFE;}
tr:last-child td{border-bottom:none;}

.note{
  background:var(--navy-50);border:1px solid var(--navy-100);border-left:4px solid var(--navy-600);
  color:var(--ink-2);padding:15px 19px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:13.5px;margin-top:22px;line-height:1.85;
}
.tip{background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-2);padding:15px 19px;border-radius:var(--radius-sm);font-size:14px;margin:22px 0;}

/* ============ 关于我们 ============ */
.about-hero{display:block;}
.about-hero .txt{max-width:780px;}
.about-hero .txt p{font-size:16px;line-height:2.05;color:#2A3A54;margin-bottom:18px;}
.about-hero .txt p:last-child{margin-bottom:0;}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
}
.stat .num{
  font-size:30px;font-weight:700;color:var(--navy-700);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat .num small{font-size:14px;font-weight:600;margin-left:2px;color:var(--teal-600);}
.stat .lbl{font-size:12.5px;color:var(--ink-3);margin-top:7px;letter-spacing:.5px;}

.info-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 36px;box-shadow:var(--shadow-sm);
}
.info-block h3{
  font-size:16px;font-weight:700;color:var(--navy-800);margin-bottom:14px;
  padding-left:12px;border-left:3px solid var(--teal-500);
}
.info-block p{font-size:15px;line-height:2;color:#2A3A54;margin-bottom:14px;}
.info-block p:last-child{margin-bottom:0;}

.info-row{
  display:flex;gap:18px;padding:15px 0;border-bottom:1px dashed var(--line);
  align-items:flex-start;
}
.info-row:last-child{border-bottom:none;}
.info-row .k{
  width:120px;flex:none;color:var(--ink-3);font-size:14px;
}
.info-row .v{font-size:14.5px;color:var(--navy-800);font-weight:500;word-break:break-all;}

/* ============ 页脚 ============ */
footer{background:var(--navy-900);color:#A8BCD6;padding:56px 0 30px;margin-top:0;}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.foot-brand img{width:34px;height:34px;}
.foot-brand .cn{font-size:16.5px;font-weight:700;color:#fff;letter-spacing:.8px;}
.foot-brand .en{font-size:9px;color:#5B7799;letter-spacing:2.4px;margin-top:2px;}
footer h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.5px;}
footer p,footer li{font-size:13.3px;line-height:2.05;color:#8FA5C2;}
footer p+p{margin-top:9px;}
footer .foot>div>p{margin-bottom:0;}
footer ul{list-style:none;}
footer a{color:#8FA5C2;transition:.16s;}
footer a:hover{color:#5FE3CE;}
.copyright{
  margin-top:42px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:#6F87A8;line-height:2.1;
  text-align:center;            /* 工信部要求：备案编号须在主页底部中央位置 */
}
.copyright p{margin:0 0 2px;}
.copyright p:last-child{margin-bottom:0;}
.copyright a{color:#8FA5C2;}
.copyright .fill{background:rgba(95,227,206,.14);color:#8FF0E0;padding:1px 7px;border-radius:4px;}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .grid,.grid.two,.foot,.about-hero,.about-stats,.art-list{grid-template-columns:1fr;}
  .hero{padding:60px 0 54px;}
  .hero h1{font-size:26px;}
  .page-head h1{font-size:23px;}
  .post h1{font-size:23px;}
  .nav{height:64px;}
  .brand .cn{font-size:16px;}
  .brand .en{display:none;}
  .brand img{width:32px;height:32px;}
  nav a{padding:7px 10px;font-size:13.5px;}
  .post p,.post li{font-size:15px;}
  section{padding:46px 0;}
  .info-block{padding:26px 22px;}
  .art-item .thumb{height:132px;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .hero h1{font-size:22px;}
  .hero .lead{font-size:14.5px;}
  .art-list{grid-template-columns:1fr;}
  .sec-head h2{font-size:21px;}
  /* 窄屏：导航改为单行横向滚动，避免折成两行挤压 logo */
  .nav{flex-direction:column;align-items:stretch;height:auto;gap:0;padding-top:11px;}
  .brand{justify-content:center;padding-bottom:10px;}
  nav{border-top:1px solid var(--line);}
  nav ul{
    flex-wrap:nowrap;overflow-x:auto;gap:0;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  nav ul::-webkit-scrollbar{display:none;}
  nav a{padding:11px 12px;font-size:13.5px;border-radius:0;}
  .info-row{gap:12px;}
  .info-row .k{width:96px;font-size:13px;}
  .info-row .v{font-size:14px;}
  .info-block{padding:22px 18px;}
  footer{padding:40px 0 24px;}
  .foot{gap:28px;}
  /* 防止固定 max-width 的块在窄屏溢出 */
  .hero h1,.hero .lead,.page-head h1,.post h1{max-width:100%;}
  .hero-tags{gap:8px;margin-top:24px;}
  .hero-tags a{padding:8px 14px;font-size:12.8px;}
  .table-wrap{overflow-x:auto;}
  .post table{min-width:0;}
}
/* 兜底：任何元素都不得横向溢出 */
html,body{max-width:100%;overflow-x:hidden;}
img,svg,table{max-width:100%;}

/* ================= 打印 / PDF 导出 ================= */
@media print{
  @page{size:A4;margin:14mm 13mm;}
  html,body{background:#fff !important;}
  body{font-size:11pt;line-height:1.7;}

  /* 隐藏交互元素 */
  header,.hero-tags,.post-back,.crumb,
  .page-head .count-tag{display:none !important;}

  /* 深色头图转浅色，省墨且清晰 */
  .hero,.page-head{
    background:#fff !important;color:#123159 !important;
    padding:0 0 10mm 0 !important;
    border-bottom:2px solid #1B4B8F;
    position:static !important;
  }
  .hero::before,.hero::after,.page-head::after{display:none !important;}
  .hero h1,.page-head h1{font-size:20pt !important;color:#123159 !important;}
  .hero h1 em{color:#0A9E8C !important;}
  .hero .lead,.page-head p{color:#42536E !important;font-size:10.5pt !important;}
  .hero-badge{background:#E8EFF9 !important;border-color:#C9DDF0 !important;color:#1B4B8F !important;}

  section{padding:8mm 0 !important;break-inside:avoid;}
  section.soft{background:#fff !important;}
  .wrap{max-width:none;padding:0;}

  /* 卡片改为轻边框，避免大面积色块 */
  .card,.art-item,.info-block,.stat,.source-box,.clause{
    box-shadow:none !important;border:1px solid #D0DBEA !important;
    background:#fff !important;
  }
  .card::before{display:none !important;}
  .grid,.art-list{grid-template-columns:1fr 1fr !important;gap:5mm !important;}

  /* 文章页：题图缩到合适大小，正文单栏 */
  .post{max-width:none !important;}
  .post-hero{margin-bottom:6mm !important;}
  .post-hero img{max-height:52mm;object-fit:cover;width:100%;}
  .post h1{font-size:17pt !important;}
  .post h2{font-size:13pt !important;break-after:avoid;}
  .post h3{font-size:11.5pt !important;break-after:avoid;}
  .post p,.post li{font-size:10.5pt !important;line-height:1.75 !important;}
  .post-meta{border-bottom:1px solid #D0DBEA !important;}

  /* 引用块保持可辨，但不铺底色 */
  .clause{background:#F7FAFE !important;box-shadow:none !important;
    border-left:3px solid #1B4B8F !important;}
  .clause blockquote{font-size:10.5pt !important;}
  .clause-hd{background:#E8EFF9 !important;-webkit-print-color-adjust:exact;print-color-adjust:exact;}

  /* 表格 */
  table{min-width:0 !important;font-size:9.5pt !important;}
  th{background:#123159 !important;color:#fff !important;
     -webkit-print-color-adjust:exact;print-color-adjust:exact;}
  td{padding:6px 9px !important;}

  /* 页脚简化 */
  footer{background:#fff !important;color:#42536E !important;
    border-top:1px solid #D0DBEA;padding:6mm 0 0 0 !important;margin-top:8mm;}
  footer h4{color:#123159 !important;}
  footer p,footer li,.copyright{color:#5A6B85 !important;}
  .foot{grid-template-columns:1fr 1fr !important;}
  .copyright .fill{background:#FFF3CD !important;color:#8A6100 !important;
    -webkit-print-color-adjust:exact;print-color-adjust:exact;}

  /* 分页控制 */
  .art-item,figure.clause,.source-box,.info-block{break-inside:avoid;}
  h1,h2,h3{break-after:avoid;}
  a{color:#1B4B8F !important;text-decoration:none;}
}