
:root{--deep:#102d24;--forest:#1f5b3c;--leaf:#63a75a;--lime:#b5d56a;--mist:#edf5e9;--ink:#203128;--muted:#627269;--line:#d9e6d5;--white:#fff;--shadow:0 14px 36px rgba(24,77,50,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7faf3;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.timebar{background:var(--deep);color:#dbead8;font:13px/1.4 Consolas,monospace}.timebar .wrap{display:flex;justify-content:space-between;padding:8px 0}.rec{color:#ffc1a8}.header{background:rgba(255,255,252,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.head{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:900;color:var(--deep)}.brand img{width:44px;height:44px;border-radius:8px;box-shadow:0 6px 16px rgba(31,91,60,.22)}.nav{display:flex;gap:19px;flex-wrap:wrap;font-size:15px}.nav a:hover{color:var(--forest)}.breadcrumb{padding:16px 0;color:var(--muted);font-size:14px}.hero{position:relative;overflow:hidden;padding:60px;border-radius:6px 34px 6px 34px;background:linear-gradient(110deg,rgba(9,38,28,.95),rgba(40,100,59,.72));color:#fff;box-shadow:var(--shadow)}.hero:before{content:"REC";position:absolute;right:28px;top:24px;padding:4px 9px;border:1px solid rgba(255,255,255,.45);font:13px Consolas,monospace;color:#ffbaa2}.hero h1{position:relative;z-index:1;margin:0 0 16px;max-width:900px;font-size:clamp(31px,5vw,53px);line-height:1.17}.hero p{position:relative;z-index:1;margin:0;max-width:800px;color:#e3efde;font-size:17px}.quick{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.quick a{padding:7px 14px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.1);border-radius:999px}.section{padding:58px 0 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-head h2{margin:4px 0 0;font-size:30px;line-height:1.3;color:var(--deep)}.section-head p{margin:0;max-width:650px;color:var(--muted)}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.15em;color:var(--forest)}.focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.focus-card,.card,.guide,.faq{background:var(--white);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}.focus-card{border-radius:6px 24px 6px 24px}.focus-card img{height:230px}.focus-body{padding:22px}.tag{display:inline-block;padding:3px 10px;border-radius:999px;background:#e9f4df;color:var(--forest);font-size:13px;font-weight:700}.focus-card h3,.card h3{margin:10px 0 8px;line-height:1.42;color:#244936}.focus-card p,.card p{margin:0;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{display:grid;grid-template-columns:112px 1fr;min-height:186px;border-radius:4px 18px 4px 18px}.card img{height:100%;min-height:186px}.card-body{padding:17px}.card h3{font-size:18px;margin:4px 0 7px}.mini{font-size:13px;font-weight:700;color:#6f9140}.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide{padding:24px;border-radius:4px 18px 4px 18px}.guide:before{content:"00:01";display:inline-block;font:12px Consolas,monospace;color:var(--forest);background:var(--mist);padding:3px 8px;margin-bottom:12px}.guide:nth-child(2):before{content:"00:02"}.guide:nth-child(3):before{content:"00:03"}.guide h3{margin:0 0 8px;color:var(--deep)}.guide p{margin:0;color:var(--muted)}.faq{padding:9px 24px;border-radius:4px 20px 4px 20px}.faq details{padding:15px 0;border-bottom:1px solid var(--line)}.faq details:last-child{border-bottom:0}.faq summary{cursor:pointer;font-weight:700;color:var(--deep)}.faq p{margin:8px 0 0;color:var(--muted)}.closing{margin-top:58px;padding:36px;border-radius:4px 24px 4px 24px;background:linear-gradient(120deg,#113b2b,#3e7143);color:#fff}.closing h2{margin:0 0 10px}.closing p{margin:0;color:#dcebd8}.footer{margin-top:52px;padding:29px 0;background:var(--deep);color:#c8dccb;font-size:14px}.footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}@media(max-width:920px){.focus-grid,.grid,.guides{grid-template-columns:repeat(2,1fr)}.nav{display:none}.hero{padding:44px 30px}.card{grid-template-columns:104px 1fr}}@media(max-width:620px){.wrap{width:min(100% - 22px,1180px)}.focus-grid,.grid,.guides{grid-template-columns:1fr}.hero{padding:36px 22px}.section{padding-top:44px}.section-head{display:block}.section-head p{margin-top:8px}.focus-card img{height:215px}.card{grid-template-columns:104px 1fr}.timebar .wrap span:last-child{display:none}}

html{scroll-padding-top:115px}a:focus-visible,summary:focus-visible{outline:3px solid #316f42;outline-offset:4px}.skip{position:absolute;left:14px;top:-80px;z-index:50;background:#fff;color:#102d24;padding:10px 16px}.skip:focus{top:8px}.brand img{width:44px;height:44px;box-shadow:none}.brand span{white-space:nowrap}.nav a[aria-current=page]{font-weight:800;color:#1f5b3c;border-bottom:2px solid #63a75a}.hero{margin-top:28px;isolation:isolate}.hero>img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;filter:brightness(.38) saturate(.7)}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,rgba(9,38,28,.88),rgba(40,100,59,.28))}.hero:before{content:"FIELD NOTES";z-index:2;color:#dcebd8}.hero h1 small{display:block;font-size:14px;letter-spacing:.05em;line-height:1.6;margin-bottom:16px;color:#dcebd8}.hero h1{font-size:clamp(33px,4.8vw,56px);line-height:1.22;text-wrap:balance}.hero h1 em{font-style:normal;color:#c6e895}.hero .quick a:hover{background:#e5f2d7;color:#102d24}.section-head .section-title{max-width:750px}.section-title>a{font-size:14px;font-weight:800;color:#1f5b3c;display:inline-block;margin-top:12px}.focus-card .visual{display:block}.focus-card .visual img{height:auto;aspect-ratio:3/2}.focus-card h3{font-size:22px}.focus-body{display:flex;flex-direction:column;min-height:220px}.focus-body .read-link{margin-top:auto;padding-top:16px}.card .visual{display:block;height:100%}.card img{height:100%;width:100%;min-height:220px}.card{grid-template-columns:112px minmax(0,1fr);min-height:220px;align-items:stretch}.card-body{min-width:0;display:flex;flex-direction:column}.card-body p{font-size:14px;line-height:1.85}.card h3 a:hover,.focus-card h3 a:hover{color:#1f5b3c;text-decoration:underline;text-underline-offset:4px}.read-link{font-size:13px;font-weight:800;color:#1f5b3c;display:inline-block;margin-top:auto;padding-top:13px}.guide a{color:#1f5b3c;font-size:14px;font-weight:800;display:inline-block;margin-top:15px}.guide p{font-size:15px}.footer .wrap{display:block}.footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;padding:8px 0 25px}.footer-grid h2{font-size:21px;color:#f1f7ed;margin:0 0 12px}.footer-grid p{max-width:540px;margin:0;color:#c8dccb}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}.footer-links a:hover{text-decoration:underline}.footer-bottom{border-top:1px solid #39604d;padding-top:20px;display:flex;gap:15px;justify-content:space-between;flex-wrap:wrap;font-size:13px}.category-top{margin-top:8px;padding:30px 35px 34px;border-left:5px solid #63a75a;background:#e9f1df;border-radius:4px 24px 4px 24px}.category-top h1{font-size:clamp(30px,4vw,44px);line-height:1.3;margin:8px 0 16px;text-wrap:balance}.category-top p{max-width:830px;margin:0;color:#4c6353}.category-top .eyebrow{color:#1f5b3c}.category-content{padding-top:10px}.category-content .section{padding-top:34px}.category-content .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-content .card{grid-template-columns:150px minmax(0,1fr)}main{padding-bottom:60px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.crumbs{display:flex;gap:5px 10px;flex-wrap:wrap;padding:23px 0;font-size:13px;color:#627269}.crumbs a:hover{color:#1f5b3c}.category-top{background:var(--navy);color:#fff;padding:36px 0 42px;border-bottom:4px solid var(--cyan)}.category-top h1{font-size:clamp(30px,4vw,48px);line-height:1.3;margin:8px 0 18px}.category-top p{max-width:820px;color:#c6dbe5}.category-top .eyebrow{font-size:12px;color:#b7eb68;letter-spacing:.16em;font-weight:800}.category-content{padding-top:10px}.article-top{padding:14px 0 30px;max-width:960px}.eyebrow{font-size:13px;color:#1f5b3c;letter-spacing:.08em;font-weight:850}.article-top h1{font-size:clamp(30px,4vw,47px);line-height:1.32;margin:10px 0 18px}.article-meta{display:flex;flex-wrap:wrap;gap:6px 15px;font-size:13px;color:#627269}.article-lead{font-size:19px;color:#435f6d;line-height:1.9;margin:24px 0 0}.article-layout{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:50px;align-items:start}.article-body{min-width:0;font-size:18px;line-height:2;color:#203128}.article-body h2{font-size:25px;line-height:1.45;margin:38px 0 15px;color:#102d24}.article-body h2:first-of-type{margin-top:6px}.article-body p{margin:0 0 22px;overflow-wrap:anywhere}.article-body:after{content:"";display:block;clear:both}.article-figure{float:right;width:38%;margin:5px 0 25px 30px}.article-figure img{width:100%;height:auto;aspect-ratio:4/3;border:1px solid #d5e0e1;object-fit:cover}.article-figure figcaption{font-size:13px;line-height:1.75;color:#627269;margin-top:10px}.article-sidebar{position:sticky;top:25px;display:grid;gap:20px}.toc,.sidebar-note{background:#fff;border:1px solid var(--line);padding:21px;border-top:3px solid #63a75a}.toc summary{font-size:17px;font-weight:800;cursor:pointer}.toc ol{padding-left:21px;margin-bottom:0}.toc li{font-size:14px;line-height:1.7;margin:11px 0}.toc a:hover{color:#1f5b3c}.sidebar-note h2{font-size:18px;margin:0 0 12px}.sidebar-note p{font-size:14px;color:#627269;line-height:1.8}.text-link{font-size:14px;font-weight:800;color:#1f5b3c}.source-list{clear:both;margin-top:38px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;line-height:1.8}.source-list h2{font-size:18px!important}.source-list ul{padding-left:20px}.source-list a{color:#1f5b3c;overflow-wrap:anywhere}.related{margin-top:50px;padding:42px 0;background:#edf5e9;border-top:1px solid #c8dadd}.related h2{font-size:28px;margin:0 0 24px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.policy{max-width:880px;padding:12px 0 20px}.policy h1{font-size:clamp(30px,4vw,44px);line-height:1.35;margin:12px 0 22px}.policy h2{font-size:24px;line-height:1.45;margin:34px 0 12px}.policy p{font-size:17px;line-height:1.95;color:#304e5b;margin:0 0 18px}.policy a{color:#1f5b3c;text-decoration:underline;overflow-wrap:anywhere}.map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px}.map-box{border:1px solid var(--line);background:#fff;padding:26px}.map-box h2{font-size:22px;margin:0 0 14px}.map-box ul{padding-left:20px;margin:0}.map-box li{margin:10px 0;font-size:15px}.map-box a:hover{color:#1f5b3c}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.crumbs a{color:#376347}.crumbs span{color:#627269}.article-top h1{text-wrap:balance}.article-sidebar{top:110px}.text-link,.source-list a,.policy a{color:#1f5b3c}.article-body h2{scroll-margin-top:110px}.related-grid .card{display:block}.related-grid .visual img{height:auto;aspect-ratio:3/2;min-height:0}.related-grid .card-body{padding:21px;min-height:230px}.article-figure img{object-fit:cover;width:100%;height:auto}.article-layout .article-body h2:first-of-type{margin-top:6px}.article-top .eyebrow{color:#1f5b3c}.map-box a:hover{color:#1f5b3c}
@media(max-width:1100px){.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}.head{gap:16px}.nav{gap:15px}.brand{font-size:20px}}
@media(max-width:920px){.nav{display:flex}.head{flex-direction:column;align-items:flex-start;padding:14px 0;gap:10px}.nav{width:100%;justify-content:space-between;gap:10px}.header{position:static}.article-sidebar{top:25px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-content .card{grid-template-columns:120px minmax(0,1fr)}}
@media(max-width:760px){.article-layout{display:flex;flex-direction:column;gap:25px}.article-sidebar{position:static;order:-1;width:100%}.sidebar-note{display:none}.article-lead{font-size:17px}.article-body{font-size:17px}.article-body h2{font-size:24px;scroll-margin-top:25px}.article-figure{width:42%;margin-left:22px}.footer-grid{grid-template-columns:1fr;gap:28px}}
@media(max-width:620px){html{scroll-padding-top:25px}.brand{font-size:19px;gap:9px}.brand img{width:35px;height:35px}.timebar .wrap{font-size:11px}.nav{display:flex;gap:7px;font-size:13px}.hero{padding:38px 23px 34px;margin-top:19px}.hero:before{font-size:10px;right:14px;top:12px}.hero h1{font-size:34px}.hero h1 small{font-size:12px;padding-top:6px;letter-spacing:0}.hero p{font-size:16px;line-height:1.9}.hero .quick{gap:8px;margin-top:22px}.hero .quick a{font-size:13px}.focus-body{min-height:0}.focus-card h3{font-size:21px}.card,.category-content .card{grid-template-columns:115px minmax(0,1fr);min-height:218px}.card img{min-height:218px}.card-body{padding:16px}.card h3{font-size:18px}.card-body p{font-size:13px}.section-head h2{font-size:27px}.section-head p{font-size:15px;line-height:1.85}.category-content .grid{grid-template-columns:1fr}.category-top{padding:25px 23px}.category-top h1{font-size:30px}.category-top p{font-size:16px;line-height:1.85}.article-top h1{font-size:30px}.article-meta{font-size:12px}.article-figure{float:none;width:100%;margin:6px 0 28px}.article-figure img{aspect-ratio:3/2}.related-grid,.map-grid{grid-template-columns:1fr}.related-grid .card-body{min-height:0}.footer-links{gap:9px 13px}.closing{padding:27px}.closing h2{font-size:25px;line-height:1.45}.guide{padding:23px}.map-box{padding:22px}.policy p{font-size:16px}}
@media(max-width:360px){.brand{font-size:17px}.hero h1{font-size:30px}.card,.category-content .card{grid-template-columns:98px minmax(0,1fr)}.card-body{padding:14px}.article-top h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.mini{color:#3d6d39}@media(max-width:620px){.hero .quick{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.hero .quick a{text-align:center}}
