:root{--green:#20c86b;--green-deep:#0b8f4c;--mint:#e8f8ef;--mint-2:#f3fbf6;--navy:#112235;--text:#1d2b3a;--muted:#65758a;--line:#e5eee8;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fbfffd,#f3fbf7 45%,#fff);letter-spacing:0}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(100% - 40px,1180px);margin:0 auto}.topbar{position:sticky;top:0;z-index:20;background:var(--green);box-shadow:0 8px 26px #00000014}.header{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:#fff;font-size:20px}.brand img{width:34px;height:34px;border-radius:8px}.nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.nav a{color:#fff;font-weight:700;font-size:14px;opacity:.92}.nav a.active,.nav a:hover{opacity:1;text-decoration:underline;text-underline-offset:6px}.hero,.subhero{padding:70px 0 76px;background:linear-gradient(180deg,#f7fffa,#eefaf3)}.hero-grid{display:grid;grid-template-columns:.95fr 1fr;gap:42px;align-items:center}.hero h1,.subhero h1{margin:0;font-size:clamp(36px,5vw,56px);line-height:1.12;letter-spacing:0}.hero-subtitle{max-width:760px;margin:18px 0 0;color:var(--muted);font-size:18px;line-height:1.9}.hero-media img{width:100%;border-radius:8px;box-shadow:0 18px 52px #1a33271f}.eyebrow{margin:0 0 10px;color:var(--green-deep);font-weight:900;font-size:14px}.highlight-list{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0}.highlight-list span{padding:8px 12px;border:1px solid #dcebe4;border-radius:999px;background:#fff;color:#355045;font-weight:800;font-size:13px}.download-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:0;border-radius:8px;background:var(--green);color:#fff;font-weight:900;cursor:pointer;box-shadow:0 10px 24px #20c86b38}.btn.secondary{background:#fff;color:var(--green-deep);border:1px solid #dcebe4;box-shadow:none}.btn.plain{background:transparent;color:var(--green-deep);box-shadow:none}.section{padding:58px 0}.section-head{max-width:820px;margin:0 auto 30px;text-align:center}.section h2{margin:0;font-size:clamp(26px,3vw,38px);line-height:1.22}.section-head p{margin:12px 0 0;color:var(--muted);font-size:16px;line-height:1.8}.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.card,.article-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;box-shadow:0 12px 36px #1a33270f}.link-card{display:block}.card .icon{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;background:var(--mint);color:var(--green-deep);font-weight:900;margin-bottom:18px}.card h3{margin:0 0 8px;font-size:20px;line-height:1.3}.card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}.visual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.visual-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 14px 38px #1a332712}.visual-card img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover;object-position:top center;border-bottom:1px solid var(--line)}.visual-card div{padding:18px}.visual-card h3{margin:0 0 8px;font-size:20px}.visual-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}.wide-image{display:block;width:min(900px,100%);margin:0 auto 26px;border-radius:8px;border:1px solid var(--line);box-shadow:0 14px 38px #1a332714}.article-panel ul{margin:0;padding-left:24px}.article-panel li{color:#425466;line-height:1.9}.narrow{max-width:900px;margin:0 auto}.faq-section{background:#fbfffd}.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px 20px;box-shadow:0 10px 30px #1a33270d}summary{cursor:pointer;font-weight:900;color:var(--text)}details p{margin:12px 0 0;color:var(--muted);line-height:1.8}.notice-band{background:#fff7df;border-top:1px solid #f3df9e;border-bottom:1px solid #f3df9e;padding:18px 0;color:#6f4b00;font-size:14px}.footer{padding:42px 0 28px;background:var(--navy);color:#d9e5df}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:28px}.footer h2{margin:0 0 12px;font-size:16px;color:#fff}.footer p{margin:0;color:#b9c7c0;font-size:14px;line-height:1.75}.footer a{display:block;margin:7px 0;color:#d9e5df;font-size:14px}.icp{padding-top:24px;text-align:center;color:#b9c7c0;font-size:13px}.icp a{display:inline;color:#d9e5df}@media(max-width:920px){.header{min-height:auto;padding:18px 0;align-items:flex-start;flex-direction:column}.nav{gap:12px 18px}.hero-grid,.footer-grid{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.container{width:min(100% - 24px,1180px)}.brand{font-size:18px}.hero,.subhero{padding-top:40px}.card-grid,.visual-grid{grid-template-columns:1fr}.hero h1,.subhero h1{font-size:34px}.hero-subtitle{font-size:16px}}@media(max-width:920px){.header{padding:16px 0 12px}.nav{width:100%;gap:16px;flex-wrap:nowrap;overflow-x:auto;padding:2px 0 6px;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav a{flex:0 0 auto;white-space:nowrap}}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 12px 36px #1a33270f}.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;border-bottom:1px solid var(--line)}.news-card div{padding:20px}.news-card span{display:inline-block;margin-bottom:8px;color:var(--green-deep);font-size:13px;font-weight:900}.news-card h2{margin:0 0 10px;font-size:21px;line-height:1.35}.news-card p{margin:0 0 12px;color:var(--muted);font-size:15px;line-height:1.75}.news-card time{color:#7a8a9a;font-size:13px}.article-page{background:#fff}.article-hero{padding:54px 0 36px;background:linear-gradient(180deg,#f7fffa,#eefaf3)}.article-hero h1{max-width:920px;margin:0;font-size:clamp(32px,4vw,48px);line-height:1.18}.article-hero p{max-width:900px;margin:16px 0 0;color:var(--muted);font-size:17px;line-height:1.85}.article-hero time{display:block;margin:14px 0 0;color:#7a8a9a;font-size:14px}.article-hero img{display:block;width:min(900px,100%);margin:26px 0 0;border-radius:8px;border:1px solid var(--line);box-shadow:0 14px 38px #1a332714}.article-body{max-width:900px;padding-top:42px;padding-bottom:64px}.article-body h2{margin:38px 0 14px;font-size:28px;line-height:1.32}.article-body h3{margin:28px 0 12px;font-size:22px}.article-body p,.article-body li{font-size:17px;line-height:1.95;color:#334456}.article-body p{margin:0 0 18px}.article-body img{display:block;width:100%;border-radius:8px;border:1px solid var(--line);margin:26px 0;box-shadow:0 12px 32px #1a332712}.article-body a{color:var(--green-deep);font-weight:800;text-decoration:underline;text-underline-offset:4px}.article-body code{background:#f2f7f4;border:1px solid var(--line);border-radius:6px;padding:2px 6px}.article-body pre{overflow:auto;background:#102235;color:#e8fff2;border-radius:8px;padding:18px}.article-body pre code{background:transparent;border:0;color:inherit;padding:0}@media(max-width:920px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.news-grid{grid-template-columns:1fr}.article-body p,.article-body li{font-size:16px}}.article-hero .container,.article-body{width:min(100% - 40px,860px)}.article-hero{padding:44px 0 32px}.article-hero h1{max-width:780px;font-size:clamp(30px,3.4vw,42px)}.article-hero p{max-width:780px}.article-hero img{width:min(760px,100%);margin:24px 0 0}.article-body{padding-top:34px}.article-body img{width:min(760px,100%);margin:30px auto}@media(max-width:640px){.article-hero .container,.article-body{width:min(100% - 24px,860px)}.article-hero{padding:34px 0 24px}.article-hero h1{font-size:30px}.article-hero img{margin-top:18px}}.article-hero{background:#fff;padding-bottom:22px}.article-hero img{margin-top:24px}.article-body{padding-top:24px}.article-hero time{display:none}.article-meta{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:#60758a;font-size:14px;font-weight:700}.article-meta span{color:var(--green-deep)}.article-meta time{display:inline;color:#7a8a9a;font-size:14px}.article-meta span:after{content:"";display:inline-block;width:4px;height:4px;margin-left:10px;border-radius:50%;background:#b8c8bc;vertical-align:middle}.breadcrumbs{display:flex;align-items:center;gap:9px;margin:0 0 18px;color:#718196;font-size:14px;line-height:1.6}.breadcrumbs a{color:#4d6175;text-decoration:none}.breadcrumbs a:hover{color:var(--green-deep);text-decoration:underline;text-underline-offset:4px}.breadcrumbs span[aria-current=page]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#7a8a9a}.article-layout{width:min(100% - 40px,1120px);display:grid;grid-template-columns:minmax(0,760px) 300px;gap:44px;align-items:start}.article-layout .article-body{width:auto;max-width:none;padding-top:24px}.article-sidebar{position:sticky;top:96px;display:grid;gap:16px;padding-top:24px}.sidebar-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:0 10px 28px #1a33270d}.sidebar-panel h2{margin:0 0 14px;font-size:18px;line-height:1.35}.sidebar-posts,.sidebar-links{display:grid;gap:12px}.sidebar-posts a,.sidebar-links a{display:block;padding:0 0 12px;border-bottom:1px solid var(--line);text-decoration:none}.sidebar-posts a:last-child,.sidebar-links a:last-child{padding-bottom:0;border-bottom:0}.sidebar-posts span{display:block;margin:0 0 5px;color:var(--green-deep);font-size:12px;font-weight:900}.sidebar-posts strong,.sidebar-links strong{display:block;color:#1b2b3d;font-size:15px;line-height:1.55}.sidebar-links span{display:block;margin-top:5px;color:var(--muted);font-size:13px;line-height:1.65}.sidebar-steps{margin:0;padding-left:20px;color:#334456}.sidebar-steps li{margin:0 0 10px;font-size:14px;line-height:1.7}.sidebar-steps li:last-child{margin-bottom:0}@media(max-width:980px){.article-layout{grid-template-columns:1fr;gap:12px}.article-sidebar{position:static;padding-top:4px;grid-template-columns:1fr}.breadcrumbs{flex-wrap:wrap}.breadcrumbs span[aria-current=page]{white-space:normal}}@media(max-width:640px){.article-layout{width:min(100% - 24px,1120px)}.sidebar-panel{padding:16px}}.sidebar-toc nav{display:grid;gap:9px}.sidebar-toc a{color:#44566a;font-size:14px;line-height:1.55;text-decoration:none}.sidebar-toc a:hover{color:var(--green-deep);text-decoration:underline;text-underline-offset:4px}.article-more{width:min(100% - 40px,1120px);padding:10px 0 64px}.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:8px 0 34px}.post-nav>a{display:block;min-height:94px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:8px;text-decoration:none;box-shadow:0 10px 28px #1a33270d}.post-nav>a:last-child{text-align:right}.post-nav span{display:block;margin-bottom:7px;color:var(--green-deep);font-size:13px;font-weight:900}.post-nav strong{display:block;color:#1b2b3d;font-size:17px;line-height:1.5}.section-head.compact{margin:0 0 18px;text-align:left}.section-head.compact h2{font-size:28px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.related-grid a{display:block;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:8px;text-decoration:none;box-shadow:0 10px 28px #1a33270d}.related-grid img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line)}.related-grid span{display:block;margin:14px 16px 6px;color:var(--green-deep);font-size:13px;font-weight:900}.related-grid strong{display:block;margin:0 16px 18px;color:#1b2b3d;font-size:16px;line-height:1.55}@media(max-width:980px){.article-more{width:min(100% - 40px,1120px)}.post-nav,.related-grid{grid-template-columns:1fr}.post-nav>a:last-child{text-align:left}}@media(max-width:640px){.article-more{width:min(100% - 24px,1120px);padding-bottom:44px}}.article-hero>.container{width:min(100% - 40px,1120px)}.article-hero h1,.article-hero p,.article-hero img,.article-hero .breadcrumbs,.article-hero .article-meta{max-width:760px}.article-hero img{width:760px}@media(max-width:980px){.article-hero>.container{width:min(100% - 40px,1120px)}.article-hero h1,.article-hero p,.article-hero img,.article-hero .breadcrumbs,.article-hero .article-meta{max-width:100%}.article-hero img{width:100%}}@media(max-width:640px){.article-hero>.container{width:min(100% - 24px,1120px)}}.skip-link{position:absolute;left:16px;top:-48px;z-index:1000;padding:10px 14px;border-radius:8px;background:#fff;color:var(--green-deep);font-weight:900;box-shadow:0 8px 24px #00000029}.skip-link:focus{top:12px}.nav a[aria-current=page]{opacity:1;text-decoration:underline;text-underline-offset:6px}@media(max-width:920px){.header{position:relative}.header:after{content:"";position:absolute;right:0;bottom:10px;width:42px;height:34px;pointer-events:none;background:linear-gradient(90deg,rgba(32,200,107,0),var(--green) 72%)}.nav{padding-right:42px}}@media(max-width:640px){.article-hero h1{font-size:clamp(28px,8.2vw,34px);line-height:1.18}.article-hero p{font-size:16px;line-height:1.8}.article-body h2{font-size:24px}}