/*
Theme Name: JK Health Baidu
Theme URI: https://www.jk566.com/
Author: JK566
Description: 极简、移动优先、SEO友好的健康资讯主题。
Version: 3.0.0
Version: 3.0.0
Text Domain: jk-health-core
*/
:root{--ink:#10231d;--muted:#60736c;--green:#087f5b;--pale:#edf8f3;--line:#dce8e2;--white:#fff;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7faf8;font:16px/1.75 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.nav{min-height:68px;display:flex;align-items:center;gap:30px}.brand{font-size:22px;font-weight:800;color:var(--green);white-space:nowrap}.menu{display:flex;gap:24px;margin-left:auto}.menu a:hover{color:var(--green)}.search{border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:#fff}.hero{padding:64px 0 42px;background:linear-gradient(135deg,#e8f7f0,#f8fbfa)}.hero h1{max-width:800px;margin:0 0 14px;font-size:clamp(34px,5vw,60px);line-height:1.14}.hero p{max-width:720px;color:var(--muted);font-size:18px}.hero-search{display:flex;max-width:640px;margin-top:28px}.hero-search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px 0 0 12px;padding:14px;font-size:16px}.hero-search button{border:0;border-radius:0 12px 12px 0;padding:0 24px;color:white;background:var(--green)}.section{padding:48px 0}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}.section h2{margin:0;font-size:28px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 7px 26px rgba(20,60,45,.05)}.card-media{aspect-ratio:16/9;background:var(--pale)}.card-media img{width:100%;height:100%;object-fit:cover}.card-body{padding:20px}.card h2,.card h3{margin:6px 0 10px;font-size:20px;line-height:1.4}.meta,.excerpt{color:var(--muted);font-size:14px}.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:44px;padding:46px 0}.article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(22px,4vw,48px)}.article h1{font-size:clamp(30px,4vw,46px);line-height:1.25}.article-content{font-size:17px}.article-content h2{margin-top:2em}.article-content a{color:var(--green);text-decoration:underline}.notice{margin:24px 0;padding:16px 18px;background:#fff8e6;border-left:4px solid #f2a900}.sidebar-box{position:sticky;top:92px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}.breadcrumb{margin-bottom:18px;color:var(--muted);font-size:14px}.pagination{margin-top:30px}.site-footer{padding:40px 0;background:#10231d;color:#dce8e2}.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:30px}.mobile-toggle{display:none}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px}
@media(max-width:820px){.wrap{width:min(calc(100% - 24px),var(--max))}.mobile-toggle{display:block;margin-left:auto;border:0;background:none;font-size:24px}.menu{display:none}.menu.open{display:flex;position:absolute;left:0;right:0;top:68px;flex-direction:column;background:#fff;padding:20px;border-bottom:1px solid var(--line)}.search{display:none}.hero{padding:42px 0 30px}.grid,.topics{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr;padding:24px 0}.sidebar{display:none}.footer-grid{grid-template-columns:1fr}}

/* Studio identity */
.hero{position:relative;isolation:isolate;min-height:620px;display:grid;align-items:center;overflow:hidden;padding:70px 0;background:#dfeadf url('assets/health-hero.webp') center/cover no-repeat}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(246,250,246,.98) 0%,rgba(246,250,246,.93) 38%,rgba(246,250,246,.12) 74%)}.hero-copy{max-width:660px}.eyebrow{display:inline-flex;padding:7px 12px;border:1px solid rgba(8,127,91,.2);border-radius:999px;background:rgba(255,255,255,.66);color:#055c46;font-weight:800;font-size:12px;letter-spacing:.1em}.hero h1{margin:20px 0 18px;font-size:clamp(42px,5.5vw,74px);line-height:1.05;letter-spacing:-.045em}.hero h1 em{color:var(--green);font-style:normal}.trust-row{display:flex;gap:22px;margin-top:22px;color:#42584f;font-size:14px}.trust-row span:before{content:"✓";margin-right:7px;color:var(--green);font-weight:900}.topic{position:relative;min-height:150px;padding:24px;border-radius:22px;transition:.25s}.topic:after{content:"↗";position:absolute;right:20px;bottom:16px;color:var(--green);font-size:22px}.topic:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(20,60,45,.09)}.topic strong{font-size:20px}.editor-note{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;padding:36px;border-radius:26px;background:var(--ink);color:white}.editor-note p{color:#bed0c8}.metric{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric div{padding:18px;border:1px solid rgba(255,255,255,.14);border-radius:16px}.metric strong{display:block;color:#c9f27d;font-size:25px}@media(max-width:820px){.hero{min-height:650px;padding:48px 0;background-position:62% center}.hero:after{background:linear-gradient(90deg,rgba(246,250,246,.98),rgba(246,250,246,.83) 72%,rgba(246,250,246,.25))}.hero-copy{max-width:94%}.hero h1{font-size:43px}.trust-row{flex-wrap:wrap;gap:8px 16px}.editor-note{grid-template-columns:1fr}}
/* Knowledge edition */
.hero{min-height:540px}.knowledge-nav{margin-top:-44px;position:relative;z-index:3}.knowledge-panel{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;overflow:hidden;background:var(--line);border:1px solid var(--line);border-radius:24px;box-shadow:0 18px 55px rgba(16,35,29,.1)}.knowledge-item{padding:26px 22px;background:#fff}.knowledge-item small{display:block;margin-bottom:9px;color:var(--green);font-weight:800;letter-spacing:.08em}.knowledge-item strong{display:block;font-size:19px}.knowledge-item p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.feed{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.5fr);gap:32px}.feed-list{background:#fff;border:1px solid var(--line);border-radius:22px;padding:4px 26px}.feed-row{display:grid;grid-template-columns:80px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.feed-row:last-child{border-bottom:0}.feed-date{color:var(--green);font-weight:800}.feed-row h3{margin:0 0 7px;font-size:21px}.feed-row p{margin:0;color:var(--muted)}.daily-box{padding:28px;border-radius:22px;background:#dff3e9}.daily-box h3{font-size:25px}.archive-hero{padding:52px 0 30px;background:linear-gradient(135deg,#e8f7f0,#f7faf8)}.archive-hero h1{margin:0;font-size:clamp(38px,5vw,62px)}.archive-intro{max-width:700px;color:var(--muted)}.archive-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;padding:38px 0}.archive-list{background:#fff;border:1px solid var(--line);border-radius:22px;padding:8px 28px}.archive-item{padding:28px 0;border-bottom:1px solid var(--line)}.archive-item:last-child{border:0}.archive-item h2{margin:4px 0 9px;font-size:25px;line-height:1.35}.archive-item p{margin:0;color:var(--muted)}.archive-guide{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}.pill{display:inline-block;padding:5px 10px;border-radius:999px;background:var(--pale);color:var(--green);font-size:12px;font-weight:800}@media(max-width:900px){.knowledge-panel{grid-template-columns:1fr 1fr}.feed,.archive-layout{grid-template-columns:1fr}.archive-guide{order:-1}}@media(max-width:560px){.hero{min-height:560px}.knowledge-nav{margin-top:-24px}.knowledge-panel{grid-template-columns:1fr}.knowledge-item{padding:20px}.feed-row{grid-template-columns:1fr;gap:4px}.feed-list,.archive-list{padding:4px 18px}}
/* Article + mobile performance edition */
.article-shell{width:min(calc(100% - 32px),860px);margin:0 auto;padding:42px 0 110px}.article{contain:layout paint}.article-header{margin-bottom:28px}.article-header h1{margin:14px 0;font-size:clamp(34px,5vw,54px);letter-spacing:-.03em}.article-content>p:first-child{font-size:19px;color:#354c43}.article-content img{border-radius:14px}.article-content table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}.article-content td,.article-content th{padding:10px;border:1px solid var(--line)}.article-source{margin-top:38px;padding:20px;border-radius:15px;background:var(--pale);color:var(--muted);font-size:14px}.floating-post-nav{position:fixed;left:50%;bottom:18px;z-index:30;display:grid;grid-template-columns:1fr 1fr;gap:10px;width:min(calc(100% - 32px),880px);transform:translateX(-50%);pointer-events:none}.float-card{min-width:0;padding:14px 18px;border:1px solid rgba(220,232,226,.9);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 12px 38px rgba(16,35,29,.16);backdrop-filter:blur(14px);pointer-events:auto}.float-card.next{text-align:right}.float-card small{display:block;color:var(--green);font-weight:800}.float-card strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.article img[width],.article img[height]{height:auto}.article-content iframe{max-width:100%;border:0}.article-content>div:empty{display:none}@media(max-width:820px){body{font-size:15px}.site-header{position:relative}.nav{min-height:60px}.brand{font-size:19px}.hero{min-height:500px;background-image:linear-gradient(100deg,rgba(246,250,246,.98),rgba(246,250,246,.74)),url('assets/health-hero.webp');background-position:68% center}.hero h1{font-size:40px}.hero p{font-size:16px}.section{padding:32px 0}.article-shell{width:min(calc(100% - 20px),860px);padding:22px 0 104px}.article{padding:22px 18px;border-radius:14px}.article-header h1{font-size:32px;line-height:1.25}.article-content{font-size:16px;line-height:1.85}.article-content h2{font-size:24px}.floating-post-nav{bottom:8px;width:calc(100% - 16px);gap:6px}.float-card{padding:10px 12px;border-radius:13px}.float-card strong{font-size:13px}.float-card small{font-size:11px}.notice{font-size:13px}.knowledge-panel{box-shadow:none}.feed-row,.archive-item{content-visibility:auto;contain-intrinsic-size:160px}.site-footer{padding-bottom:88px}}@media(max-width:390px){.hero h1{font-size:36px}.hero-search button{padding:0 16px}.float-card{max-width:50%}}