:root{color-scheme:light;--bg: #f7f7f4;--paper: #ffffff;--ink: #171717;--muted: #66645f;--line: #dedbd2;--accent: #1d6f6f;--accent-strong: #0d4f4f;--warm: #b65f38;--shadow: 0 18px 50px rgba(32, 29, 22, .08);--radius: 8px;--content: 1080px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;min-height:100vh;background:linear-gradient(#f7f7f4eb,#f7f7f4f7),url(/images/bg1.jpg) center / cover fixed;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;max-width:var(--content);margin:0 auto;padding:18px 22px;backdrop-filter:blur(18px)}.nav-cluster{display:flex;align-items:center;gap:8px}.brand{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#ffffffb8;font-weight:800;letter-spacing:0}.site-nav{display:flex;gap:6px;padding:6px;border:1px solid var(--line);border-radius:999px;background:#ffffffb8;box-shadow:0 8px 30px #201d160d}.site-nav a,.lang-switch{padding:8px 14px;border-radius:999px;color:var(--muted);font-size:.94rem;font-weight:650}.site-nav a:hover{background:#eef4f2;color:var(--accent-strong)}.lang-switch{display:inline-flex;align-items:center;justify-content:center;min-width:44px;border:1px solid #cbded8;background:#eef7f4;color:var(--accent-strong);font-weight:850;box-shadow:0 8px 24px #201d160d}.lang-switch:hover{background:var(--accent);color:#fff;border-color:var(--accent)}main{padding:22px 22px 80px}.section-shell,.article-shell{max-width:var(--content);margin:0 auto}.section-shell+.section-shell{margin-top:34px}section[id]{scroll-margin-top:24px}.hero{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:center;padding-top:12px}.hero-copy{display:flex;flex-direction:column;justify-content:center;min-height:340px;padding:30px 40px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffc7;box-shadow:var(--shadow)}.eyebrow{margin:0 0 12px;color:var(--warm);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{max-width:820px;margin-bottom:18px;font-size:clamp(3.2rem,7vw,6.2rem);line-height:.9;letter-spacing:0}.hero-title-row{display:grid;grid-template-columns:minmax(0,auto) 1fr;align-items:end;gap:24px;width:min(100%,900px);margin-bottom:14px}.hero-title-row h1{margin-bottom:0}.hero-title-link{justify-self:end;margin-bottom:8px;white-space:nowrap}h2{margin-bottom:14px;font-size:clamp(1.75rem,4vw,3rem);line-height:1.05;letter-spacing:0}h3{font-size:1.2rem;line-height:1.25}.hero-lede{max-width:900px;color:var(--muted);font-size:clamp(1.15rem,2.4vw,1.55rem)}.hero-note{max-width:900px;color:#3e3b35;font-size:1.02rem;margin-bottom:0}.hero-metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.hero-metrics a{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#f7f7f4b8;color:var(--muted);font-size:.92rem;font-weight:700}.hero-metrics a:hover{border-color:#b9d2cc;background:#eef7f4;color:var(--accent-strong)}.hero-metrics strong{color:var(--accent-strong);font-size:1.05rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;font-weight:750}.button.primary{border-color:var(--accent);background:var(--accent);color:#fff}.button.ghost{background:#ffffffbf;color:var(--accent-strong)}.hero-portrait{overflow:hidden;height:340px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow)}.hero-portrait img{width:100%;height:100%;object-fit:cover}.split-section,.contact-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffc7}.section-copy p{color:var(--muted);font-size:1.08rem}.section-intro{max-width:680px;margin:-4px 0 16px;color:var(--muted);font-size:1.02rem}.principle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.principle-card{min-height:190px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fffc;box-shadow:0 12px 34px #201d160d}.principle-card h3{margin-bottom:12px}.principle-card p{color:var(--muted)}.section-header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:16px}.section-header.compact{margin-bottom:12px}.section-header.compact h2{font-size:clamp(1.55rem,3vw,2.2rem)}.text-link{color:var(--accent-strong);font-weight:800}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag-row span{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border:1px solid #d8e3df;border-radius:999px;background:#f2f7f5;color:var(--accent-strong);font-size:.84rem;font-weight:700}.tag-row.large span{min-height:34px;padding:5px 12px}.experience-list,.post-list{display:grid;gap:14px}.experience-card{display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffd1}.experience-logo{width:64px;height:64px;border-radius:16px;object-fit:cover;background:#f3f3ef}.experience-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:8px}.experience-heading a{font-size:1.18rem;font-weight:850}.experience-heading span{color:var(--accent-strong);font-weight:750}.experience-heading time,.post-card time,.article-meta{color:var(--muted);font-size:.92rem}.experience-body p{margin-bottom:12px;color:var(--muted)}.experience-section .section-header h2{max-width:760px;font-size:clamp(1.85rem,3vw,2.55rem)}.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.post-card a{display:flex;min-height:210px;flex-direction:column;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffd1;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.post-card a:hover{transform:translateY(-3px);border-color:#b9d2cc;box-shadow:0 14px 34px #201d1614}.post-card h3{margin:10px 0}.post-card p{flex:1;color:var(--muted)}.page-title{max-width:880px;padding:70px 0 30px}.page-title h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:1}.page-lede{max-width:680px;color:var(--muted);font-size:1.12rem}.about-title{display:grid;max-width:var(--content);grid-template-columns:minmax(0,1fr) 220px;gap:28px;align-items:end}.about-title img{width:220px;aspect-ratio:4 / 5;border:1px solid var(--line);border-radius:var(--radius);object-fit:cover;box-shadow:var(--shadow)}.about-title .about-avatar{width:172px;aspect-ratio:1;border-radius:50%;justify-self:end;object-position:center 38%;box-shadow:0 18px 46px #201d1629}.home-cta,.contact-page{padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffc7}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.contact-copy{max-width:400px;color:var(--muted)}.contact-card{position:relative;display:grid;gap:3px;min-height:96px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffc7}.contact-card span{color:var(--muted);font-size:.88rem}.contact-card strong{overflow-wrap:anywhere}.contact-card.wechat img{position:absolute;right:16px;bottom:calc(100% + 12px);display:none;width:clamp(220px,18vw,300px);border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow)}.contact-card.wechat:hover img{display:block}.article-shell{max-width:820px;padding-top:52px}.article-header{margin-bottom:30px}.article-header h1{margin-top:22px;font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.02}.article-meta{display:flex;flex-wrap:wrap;gap:10px}.prose{padding:36px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffe0;font-size:1.06rem}.prose h1,.prose h2,.prose h3{margin-top:1.8em;line-height:1.2}.prose h1{font-size:2rem}.prose h2{font-size:1.55rem}.prose p,.prose li{color:#2f2d29}.prose a{color:var(--accent-strong);font-weight:750;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.prose img{width:100%;margin:24px 0;border-radius:var(--radius)}.prose blockquote{margin:24px 0;padding:4px 0 4px 18px;border-left:3px solid var(--accent);color:var(--muted)}@media(max-width:820px){.site-header{padding:12px}.site-nav a{padding:7px 9px;font-size:.88rem}.nav-cluster{gap:6px}.lang-switch{min-width:40px;padding:7px 10px;font-size:.84rem}main{padding:12px 12px 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