: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;--line:#D9DED8;--footer:#183129;--footertext:#F4F3ED;--shadow:0 8px 24px rgba(31,45,40,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--orange)}button,a{min-height:44px}button{font:inherit}.site-header{background:rgba(246,244,238,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-inner{max-width:1180px;margin:auto;padding:0 32px;height:70px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--title);min-width:245px}.brand-logo{height:32px;width:auto;max-width:165px}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{font-size:17px}.brand-text small{font-size:11px;letter-spacing:.08em;color:var(--muted)}.desktop-nav{display:flex;align-items:center;gap:22px;flex:1}.desktop-nav a,.header-actions a{font-size:15px;text-decoration:none}.desktop-nav a[aria-current=page]{color:var(--orange);font-weight:700}.header-actions,.mobile-actions{display:flex;align-items:center;gap:10px}.catalog-toggle,.catalog-close,.button-link{border:1px solid var(--green);background:transparent;color:var(--green);border-radius:9px;padding:9px 14px;cursor:pointer}.button-link{display:inline-flex;align-items:center;text-decoration:none}.button-link.primary{background:var(--green);color:white}.mobile-actions{display:none}.catalog-panel{background:var(--card);border-bottom:1px solid var(--line)}.catalog-inner{max-width:1180px;margin:auto;padding:22px 32px 28px}.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.catalog-desktop{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.catalog-desktop section{min-width:0}.catalog-desktop h2,.catalog-mobile h2{font-size:16px;margin:0 0 8px;color:var(--title)}.catalog-desktop a{display:block;text-decoration:none;padding:7px 0;border-bottom:1px solid #eef0ec}.catalog-desktop span{display:block;font-size:13px;color:var(--muted)}.catalog-mobile{display:none}main{min-height:60vh}.wrap{max-width:1180px;margin:auto;padding-left:32px;padding-right:32px}.long{max-width:780px}.wide{max-width:980px}.section{padding-top:60px;padding-bottom:60px}.page-head{max-width:780px;margin:0 auto;padding:42px 32px 26px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:10px}.breadcrumb a{color:var(--muted)}h1{font-size:34px;line-height:1.25;color:var(--title);margin:0 0 16px}h2{font-size:25px;line-height:1.35;color:var(--title);margin:0 0 15px}h3{font-size:19px;line-height:1.45;color:var(--title);margin:0 0 10px}p{margin:0 0 16px}.lead{font-size:17px;color:var(--muted)}.eyebrow{font-size:14px;color:var(--orange);font-weight:700;letter-spacing:.06em}.hero{display:grid;grid-template-columns:7fr 5fr;align-items:center;gap:42px;min-height:360px}.hero-copy{max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-visual{display:flex;justify-content:flex-end;min-width:0}.hero-visual img{max-width:430px;max-height:300px}.content-image{display:block;max-width:100%;height:auto;object-fit:contain;border:1px solid var(--line);background:#f8f7f2;border-radius:12px}.reading-lines{display:grid;grid-template-columns:1.4fr .8fr;gap:28px}.main-line{background:var(--soft);border:1px solid var(--line);padding:24px;border-radius:16px}.main-line-grid{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center}.minor-lines{display:grid;gap:18px;align-content:start}.minor-lines article{border-top:2px solid var(--gold);padding-top:16px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,38%);gap:36px;align-items:start}.split.reverse{grid-template-columns:minmax(260px,38%) minmax(0,1fr)}.purpose-list{display:grid;gap:10px}.purpose-list a{padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none}.editorial-pair{display:grid;grid-template-columns:1.35fr .65fr;gap:34px}.soft-block{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:24px}.sand-block{background:var(--sand);border:1px solid #e2d7c7;border-radius:16px;padding:24px}.essay-image{margin:26px auto;max-width:520px}.step-line{border-left:2px solid var(--gold);padding-left:24px;display:grid;gap:24px}.step-line article{position:relative}.step-line article:before{content:"";position:absolute;left:-31px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--orange)}.topics-grid{display:grid;grid-template-columns:1.4fr repeat(3,.7fr);gap:18px}.topics-grid article{min-width:0}.topics-grid .feature{background:var(--soft);padding:24px;border-radius:16px}.topics-grid .short{border-top:1px solid var(--line);padding-top:16px}.link-row{display:flex;flex-wrap:wrap;gap:12px 20px}.link-row a{text-decoration:none}.article-grid{display:grid;grid-template-columns:180px minmax(0,1fr);gap:28px}.number-rail{color:var(--gold);font-weight:700}.number-rail span{display:block;padding:13px 0;border-bottom:1px solid var(--line)}.content-stack{display:grid;gap:36px}.chapter{padding-bottom:28px;border-bottom:1px solid var(--line)}.chapter:last-child{border-bottom:0}.aside-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:38px}.side-index{border-left:1px solid var(--line);padding-left:18px}.side-index a{display:block;padding:8px 0;text-decoration:none}.note-quote{border-left:4px solid var(--gold);padding:12px 18px;background:var(--sand);margin:24px 0}.compact-list{margin:0;padding-left:1.2em}.faq-item{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid var(--line)}.directory-group{padding:22px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:180px 1fr;gap:20px}.directory-links{display:flex;flex-wrap:wrap;gap:10px 18px}.site-footer{background:var(--footer);color:var(--footertext);padding:48px 0 92px}.footer-grid{max-width:1180px;margin:auto;padding:0 32px;display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:30px}.site-footer h2{font-size:17px;color:var(--footertext)}.site-footer a{display:block;color:var(--footertext);text-decoration:none;font-size:14px;padding:3px 0;min-height:0}.footer-en{color:#e8d7b7;font-size:13px}.bottom-nav{display:none}.mobile-visual img{max-width:240px;max-height:380px}.article-image img{max-width:420px;max-height:260px}.muted{color:var(--muted)}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}@media(max-width:900px){.header-inner{padding:0 22px}.desktop-nav,.header-actions{display:none}.mobile-actions{display:flex;margin-left:auto}.brand{min-width:0}.brand-text small{display:none}.catalog-inner{padding:18px 22px}.catalog-desktop{display:none}.catalog-mobile{display:grid;gap:18px}.catalog-mobile div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 14px}.catalog-mobile a{padding:6px 0;text-decoration:none}.wrap{padding-left:22px;padding-right:22px}.hero,.split,.split.reverse,.editorial-pair,.aside-layout{grid-template-columns:1fr}.hero-visual{justify-content:flex-start}.reading-lines{grid-template-columns:1fr}.topics-grid{grid-template-columns:1fr 1fr}.topics-grid .feature{grid-column:1/-1}.footer-grid{padding:0 22px;grid-template-columns:1.3fr 1fr 1fr}.directory-group{grid-template-columns:150px 1fr}}@media(max-width:600px){body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}.site-header{position:static}.header-inner{height:60px;padding:0 16px;gap:10px}.brand-logo{height:27px}.brand-text strong{font-size:15px}.mobile-actions{gap:4px}.mobile-actions a,.catalog-toggle{font-size:15px;padding:7px 9px}.catalog-inner{padding:14px 16px 20px}.catalog-mobile div{grid-template-columns:repeat(2,minmax(0,1fr))}.wrap,.page-head{padding-left:16px;padding-right:16px}.section{padding-top:40px;padding-bottom:40px}.page-head{padding-top:30px}h1{font-size:28px}h2{font-size:22px}h3{font-size:18px}.lead{font-size:16px}.hero{min-height:auto;gap:24px}.hero-visual img{max-height:220px}.main-line-grid{grid-template-columns:1fr}.topics-grid{grid-template-columns:1fr}.topics-grid .feature{grid-column:auto}.article-grid{grid-template-columns:1fr}.number-rail{display:flex;flex-wrap:wrap;gap:8px}.number-rail span{padding:4px 8px;border:1px solid var(--line);border-radius:9px}.directory-group{grid-template-columns:1fr}.footer-grid{padding:0 16px;grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}.bottom-nav{position:fixed;z-index:30;left:0;right:0;bottom:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line)}.bottom-nav a{display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:14px}.mobile-visual img{max-width:190px;max-height:290px}.article-image img{max-height:200px}.site-footer{padding-bottom:36px}}@media(max-width:370px){.catalog-mobile div{grid-template-columns:1fr}.brand-text strong{font-size:14px}.mobile-actions a{display:none}}

/* ===== 2026-11 responsive overflow hardening ===== */
html,body{width:100%;max-width:100%;overflow-x:clip}
body{overflow-wrap:break-word;word-break:normal}
img,svg,video,canvas,iframe{max-width:100%;height:auto}
main,header,footer,section,article,aside,nav,div{min-width:0}
p,li,dd,dt,h1,h2,h3,h4,h5,h6,a,span,strong,small{overflow-wrap:anywhere}
pre,code{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere}
table{max-width:100%;width:100%;table-layout:fixed}
input,select,textarea,button{max-width:100%}
.content-image,.feature-image,.hero-visual img,.article-image img,.mobile-visual,.mobile-visual img,.small-visual,.small-visual img{width:auto;max-width:100%;height:auto}
.hero-visual,.article-image,.small-visual,.mobile-visual{max-width:100%;min-width:0}
.header-inner,.footer-inner,.footer-grid,.site-main,.wrap,.page-shell,.home-section,.menu-inner,.catalog-inner,.directory-inner{width:100%;max-width:1180px}
.desktop-nav,.main-nav,.header-actions,.mobile-actions{min-width:0}
@media(max-width:1100px){
  .header-inner{gap:14px}
  .desktop-nav,.main-nav{gap:12px}
  .desktop-nav a,.main-nav a,.header-actions a{font-size:14px}
}
@media(max-width:768px){
  html,body{overflow-x:hidden}
  .header-inner,.site-main,.wrap,.page-shell,.home-section,.hero,.menu-inner,.catalog-inner,.directory-inner,.footer-inner,.footer-grid{max-width:100%}
  .brand{max-width:calc(100% - 126px)}
  .brand-text{min-width:0;max-width:100%}
  .brand-text strong{display:block;white-space:normal;line-height:1.25}
  .mobile-actions{flex:0 0 auto}
  .mobile-actions a,.mobile-actions button,.catalog-toggle,.menu-toggle{white-space:nowrap}
  .hero-visual img,.feature-image,.content-image,.article-image img{max-width:min(100%,420px);margin-left:auto;margin-right:auto}
}
@media(max-width:390px){
  .brand{max-width:calc(100% - 108px)}
  .mobile-actions{gap:3px}
  .mobile-actions a,.mobile-actions button,.catalog-toggle,.menu-toggle{padding-left:7px;padding-right:7px;font-size:14px}
}