:root{color-scheme:light;--bg: #f7f8f5;--paper: #ffffff;--ink: #18201d;--muted: #5b6761;--line: #dfe5df;--accent: #0f766e;--accent-strong: #0b4f4a;--warm: #c26a2e;--soft: #e8f2ef;--shadow: 0 16px 45px rgba(24, 32, 29, .08);font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(223,229,223,.85);background:#f7f8f5eb;backdrop-filter:blur(18px)}.nav{width:min(1120px,calc(100% - 32px));min-height:68px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-direction:column;line-height:1.2;font-weight:800;letter-spacing:0}.brand span{color:var(--muted);font-size:13px;font-weight:500}.nav-links{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.nav-links a{min-height:36px;padding:7px 12px;border-radius:6px;color:var(--muted);font-size:14px}.nav-links a:hover{background:var(--soft);color:var(--accent-strong)}.main{min-height:calc(100vh - 68px)}.section{padding:72px 0}.section.tight{padding:42px 0}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.hero{position:relative;overflow:hidden;min-height:calc(100vh - 68px);display:grid;align-items:center;padding:64px 0 52px;background:#eef2ed}.hero:before{position:absolute;inset:0;background:url(https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=80) center/cover;content:"";opacity:.22}.hero-inner{position:relative;z-index:1;width:min(1120px,calc(100% - 32px));margin:0 auto}.eyebrow{margin:0 0 14px;color:var(--accent-strong);font-size:14px;font-weight:800}h1,h2,h3{margin:0;line-height:1.12;letter-spacing:0}h1{max-width:780px;font-size:clamp(42px,7vw,78px)}h2{font-size:clamp(28px,4vw,44px)}h3{font-size:22px}.lead{max-width:660px;margin:24px 0 0;color:#30403a;font-size:clamp(18px,2vw,22px)}.hero-actions,.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;font-weight:750}.button.secondary{background:#ffffffc7;color:var(--accent-strong)}.section-head{max-width:760px;margin-bottom:28px}.section-head p{margin:14px 0 0;color:var(--muted);font-size:17px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{min-height:100%;padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:var(--shadow)}.card p{margin:12px 0 0;color:var(--muted)}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.tag{padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:#fafbf8;color:var(--muted);font-size:13px}.process-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:22px}.process-strip span,.note-card{border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:var(--shadow)}.process-strip span{min-height:58px;display:flex;align-items:center;justify-content:center;padding:10px;color:var(--accent-strong);font-weight:800;text-align:center}.note-card{margin-top:18px;padding:22px}.note-card p{margin:8px 0 0;color:var(--muted)}.band{background:#101916;color:#f4f7f4}.band .section-head p,.band .card p{color:#b8c5be}.band .card{background:#17231f;border-color:#2b3d37}.article-list{display:grid;gap:14px}.article-link{display:grid;gap:6px;padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.article-link strong{font-size:18px}.article-link span{color:var(--muted)}.article-meta{display:flex;flex-wrap:wrap;gap:8px 12px;margin:10px 0 0;color:var(--muted);font-size:14px}.article-meta span+span:before{margin-right:12px;color:var(--line);content:"/"}.prose{max-width:820px;margin:0 auto;padding:58px 0 88px}.prose h1{font-size:clamp(36px,5vw,58px)}.prose h2{margin-top:42px;font-size:30px}.prose p,.prose li{color:#33423d;font-size:17px}.prose a{color:var(--accent-strong);text-decoration:underline}.site-footer{padding:34px 0;border-top:1px solid var(--line);color:var(--muted)}@media(max-width:820px){.nav{align-items:flex-start;flex-direction:column;gap:10px;padding:14px 0}.nav-links{width:100%;flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}.nav-links a{flex:0 0 auto;white-space:nowrap}.hero{min-height:auto;padding:72px 0 56px}.grid,.grid.two,.process-strip{grid-template-columns:1fr}.section{padding:50px 0}}