:root{--bg:#F6F4EE;--card:#fff;--soft:#ECEFE8;--sand:#F2E7D7;--green:#21463B;--green2:#17352D;--green3:#3C685A;--orange:#C56B3D;--gold:#C6A15B;--title:#1F2D28;--text:#3E4A45;--muted:#66716C;--hint:#78817D;--border:#D9DED8;--footer:#183129;--footerText:#F4F3ED;--shadow:0 8px 24px rgba(31,45,40,.06)}
*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}img{display:block;max-width:100%;height:auto;object-fit:contain}.site-header{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:10}.header-inner{max-width:1180px;margin:auto;height:70px;padding:0 32px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-logo{height:32px;width:auto;max-width:165px}.brand-text{display:flex;flex-direction:column;line-height:1.2;color:var(--title)}.brand-text strong{font-size:16px}.brand-text small{font-size:10px;letter-spacing:.08em;color:var(--muted)}.desktop-nav{display:flex;gap:22px;margin-left:auto}.desktop-nav a{font-size:15px;color:var(--title);padding:20px 0}.desktop-nav a.active{color:var(--orange);font-weight:700}.header-actions{display:flex;gap:10px}.menu-toggle,.header-actions a,.mobile-actions a,.menu-close,.btn{min-height:44px;padding:9px 14px;border-radius:9px;border:1px solid var(--border);background:#fff;color:var(--green);font:inherit;cursor:pointer}.mobile-link,.btn.primary{background:var(--green);color:#fff;border-color:var(--green)}.mobile-actions{display:none;margin-left:auto;gap:8px}.mega-menu,.mobile-menu{background:#fff;border-top:1px solid var(--border)}.mega-inner{max-width:1180px;margin:auto;padding:24px 32px 28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}.mega-inner h2,.mobile-menu h2{font-size:16px;margin:0 0 10px;color:var(--title)}.mega-inner a{display:block;padding:7px 0;color:var(--title)}.mega-inner a span{display:block;font-size:13px;color:var(--muted)}.mobile-menu-inner{padding:18px 16px 22px}.mobile-menu-inner>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 14px;margin-bottom:16px}.mobile-menu-inner h2{grid-column:1/-1}.mobile-menu-inner a{padding:7px 0}.page-shell{max-width:1180px;margin:auto;padding:0 32px}.page-head{max-width:880px;padding:42px 0 28px}.crumbs{font-size:14px;color:var(--muted);margin-bottom:8px}.page-head h1{font-size:34px;line-height:1.25;margin:0 0 12px;color:var(--title)}.page-head p{max-width:760px;margin:0;color:var(--muted)}.tag{display:inline-block;margin-top:12px;padding:4px 9px;border-radius:999px;background:var(--soft);font-size:14px;color:var(--green)}section.content-section{padding:52px 0}.content-section h2{font-size:25px;line-height:1.35;margin:0 0 16px;color:var(--title)}.content-section h3{font-size:19px;line-height:1.45;margin:24px 0 8px;color:var(--title)}.prose{max-width:760px}.wide{max-width:960px}.prose p,.wide p{margin:0 0 18px}.link-row{display:flex;flex-wrap:wrap;gap:14px 20px;margin-top:18px}.link-row a{font-weight:600}.soft-block{background:var(--soft);border:1px solid var(--border);border-radius:16px;padding:24px}.sand-block{background:var(--sand);border:1px solid #ead9c2;border-radius:16px;padding:24px}.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:36px;align-items:start}.split.reverse{grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr)}.content-img{max-width:420px;max-height:240px;border:1px solid var(--border);background:#fff;border-radius:12px;padding:6px}.focus-img{max-width:720px;max-height:300px;border:1px solid var(--border);background:#fff;border-radius:12px;padding:6px}.mobile-visual{max-width:240px;max-height:380px;border:1px solid var(--border);background:#fff;border-radius:12px;padding:6px}.rail{display:grid;grid-template-columns:70px minmax(0,1fr);gap:20px;max-width:860px}.rail .num{font-size:28px;color:var(--orange);font-weight:700}.rail-item{padding:0 0 32px;border-bottom:1px solid var(--border);margin-bottom:32px}.index-hero{padding:46px 0 54px}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(280px,5fr);gap:42px;align-items:center}.hero-grid h1{font-size:34px;line-height:1.25;color:var(--title);margin:0 0 16px}.hero-grid p{max-width:650px;margin:0 0 22px}.hero-visual img{max-width:430px;max-height:300px;margin-left:auto}.reading-lines{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px;align-items:start}.reading-lines article{padding:22px;border-top:3px solid var(--green)}.reading-lines .main-line{background:#fff;border:1px solid var(--border);border-top:3px solid var(--orange);border-radius:12px}.reading-lines img{margin:16px 0 0;max-height:190px}.purpose-grid{display:grid;grid-template-columns:260px 1fr;gap:38px}.purpose-list{border-left:2px solid var(--gold);padding-left:18px}.purpose-list strong{display:block;margin:0 0 12px;color:var(--title)}.editorial-pair{display:grid;grid-template-columns:1.25fr .75fr;gap:40px}.editorial-pair .main-visual{max-width:520px;margin-top:22px}.editorial-pair .side-visual{max-width:300px;margin-top:18px}.step-line{max-width:820px;border-left:2px solid var(--gold);padding-left:24px}.step-line article{position:relative;padding:0 0 24px 10px}.step-line article:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--orange);left:-30px;top:10px}.topic-mix{display:grid;grid-template-columns:1.4fr repeat(3,.7fr);gap:18px}.topic-mix article{padding:20px;border-top:1px solid var(--border)}.topic-mix .lead{background:#fff;border:1px solid var(--border);border-radius:12px}.topic-mix img{margin-top:16px;max-height:240px}.quote{border-left:4px solid var(--gold);padding:14px 18px;background:#fff}.index-links{display:flex;flex-wrap:wrap;gap:10px 18px;padding-top:18px;border-top:1px solid var(--border)}.faq-list{max-width:780px}.faq-item{padding:0 0 24px;margin-bottom:26px;border-bottom:1px solid var(--border)}.faq-item h2{font-size:20px;margin-bottom:8px}.archive-group{padding:20px 0;border-bottom:1px solid var(--border)}.archive-group h2{margin-bottom:8px}.archive-group a{display:inline-block;margin:5px 18px 5px 0}.site-footer{background:var(--footer);color:var(--footerText);margin-top:60px}.footer-grid{max-width:1180px;margin:auto;padding:44px 32px 90px;display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:26px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}.footer-grid p{margin:0;color:#d9dfda}.footer-grid a{display:block;color:var(--footerText);margin:5px 0}.bottom-nav{display:none}
@media(max-width:1024px){.desktop-nav{gap:14px}.header-inner{padding:0 22px}.page-shell{padding:0 22px}.hero-grid{grid-template-columns:1.2fr .8fr}.reading-lines{grid-template-columns:1.2fr 1fr}.reading-lines article:last-child{grid-column:1/-1}.topic-mix{grid-template-columns:1.2fr 1fr}.topic-mix article:nth-child(n+4){grid-column:auto}.footer-grid{grid-template-columns:repeat(3,1fr);padding:40px 22px 90px}.footer-grid section:first-child{grid-column:1/-1}.mega-inner{padding-left:22px;padding-right:22px}}
@media(max-width:820px){.desktop-nav,.header-actions{display:none}.mobile-actions{display:flex}.header-inner{height:60px}.brand-logo{height:27px}.page-head{padding-top:32px}.page-head h1,.hero-grid h1{font-size:28px}.content-section{padding:40px 0}.content-section h2{font-size:22px}.content-section h3{font-size:18px}.split,.split.reverse,.hero-grid,.purpose-grid,.editorial-pair{grid-template-columns:1fr}.hero-visual img{margin-left:0}.reading-lines{grid-template-columns:1fr}.reading-lines article:last-child{grid-column:auto}.topic-mix{grid-template-columns:1fr 1fr}.topic-mix .lead{grid-column:1/-1}.mega-menu{display:none!important}.footer-grid{grid-template-columns:1fr 1fr}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);z-index:20}.bottom-nav a{text-align:center;padding:14px 6px;color:var(--green);font-size:15px}.site-footer{margin-bottom:56px}.mobile-visual{max-width:190px;max-height:290px}.content-img{max-height:200px}.hero-visual img{max-height:220px}}
@media(max-width:560px){.header-inner,.page-shell{padding-left:16px;padding-right:16px}.brand-text small{display:none}.brand-text strong{font-size:15px}.page-head{padding-bottom:20px}.reading-lines,.topic-mix{grid-template-columns:1fr}.topic-mix .lead{grid-column:auto}.rail{grid-template-columns:42px 1fr;gap:10px}.rail .num{font-size:22px}.footer-grid{grid-template-columns:1fr;padding:34px 16px 88px}.mobile-menu-inner>div{grid-template-columns:1fr 1fr}}@media(max-width:360px){.mobile-menu-inner>div{grid-template-columns:1fr}.brand-logo{max-width:118px}.brand-text strong{font-size:14px}.mobile-actions .menu-toggle,.mobile-actions a{padding:8px 10px}.page-head h1,.hero-grid h1{font-size:28px}}

.brand-icon-mobile{display:none}.brand-icon{height:27px;width:auto;max-width:29px}@media(max-width:820px){.brand-logo-desktop{display:none}.brand-icon-mobile{display:inline-flex}}