:root{--cream:#F4FBF4;--deepbg:#E6F3E8;--white:#fff;--soft:#D8EEDC;--ink:#0F3D24;--body:#1A3D28;--muted:#3E6B4E;--assist:#6A8A72;--green:#1F8A4C;--bright:#2EA860;--leaf:#7AC994;--gold:#E8C458;--border:rgba(31,138,76,.18);--border-strong:rgba(31,138,76,.45);--shadow:0 14px 36px rgba(15,61,36,.12);--radius:16px;--shell:min(1220px,calc(100% - 32px));}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:var(--shell);margin:0 auto}.skip-link{position:fixed;left:12px;top:-60px;z-index:100;background:#fff;color:var(--ink);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.top-fence{position:fixed;inset:0 0 auto 0;height:24px;background:var(--ink);color:var(--soft);z-index:40;font-size:12px}.top-fence__inner{height:24px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:inherit;cursor:pointer;padding:0 4px}.field-gate{position:fixed;top:24px;left:0;right:0;height:72px;background:var(--cream);border-bottom:1px solid var(--border);z-index:39}.field-gate__inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand{justify-self:start;display:inline-flex;align-items:center;min-height:44px}.brand__logo,.footer-logo{display:block;height:34px;max-width:180px;object-fit:contain;object-position:left center}.brand__text{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:.04em}.basket-button,.app-link,.primary-button,.secondary-button{min-height:44px;border-radius:12px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.basket-button{border:1px solid var(--border-strong);background:#fff;color:var(--ink);cursor:pointer}.app-link{justify-self:end;background:linear-gradient(135deg,#2EA860 0%,#1F8A4C 55%,#0F3D24 100%);color:#fff}.ridge-path{position:fixed;top:96px;left:0;right:0;height:48px;background:var(--soft);border-bottom:1px solid var(--border);z-index:38}.ridge-path__inner{height:100%;display:flex;align-items:center;justify-content:center;gap:12px}.ridge-link{padding:6px 14px;border-radius:10px;color:var(--ink);font-weight:700}.ridge-link.is-current{background:var(--green);color:#fff}.site-main{padding-top:168px}.hero,.page-hero{width:var(--shell);margin:0 auto 28px}.hero-media,.image-slot{background:var(--ink);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media{max-height:320px;aspect-ratio:16/6}.hero-media img,.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-copy{padding:26px 0 8px}.eyebrow{display:inline-block;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}.hero h1,.page-hero h1{color:var(--ink);font-size:clamp(28px,4vw,32px);line-height:1.25;margin:8px 0 14px}.lead{font-size:17px;max-width:860px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.primary-button{background:linear-gradient(135deg,#2EA860 0%,#1F8A4C 55%,#0F3D24 100%);color:#fff}.secondary-button{border:1px solid var(--border-strong);background:var(--cream);color:var(--ink)}.section{width:var(--shell);margin:0 auto 28px;padding:24px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.section.tint{background:var(--deepbg)}.section.dark{background:var(--ink);color:#fff}.section.dark h2,.section.dark h3,.section.dark .muted{color:#fff}.section h2{color:var(--ink);font-size:24px;line-height:1.3;margin:0 0 10px}.section h3{color:var(--ink);font-size:18px;margin:0 0 6px}.section p{margin:8px 0}.muted{color:var(--muted)}.cards-3,.cards-2,.cards-4,.topic-grid,.footer-grid,.basket-grid{display:grid;gap:16px}.cards-3{grid-template-columns:repeat(3,1fr)}.cards-2{grid-template-columns:repeat(2,1fr)}.cards-4{grid-template-columns:repeat(4,1fr)}.topic-grid{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}.card .image-slot{height:200px;margin:-2px -2px 14px;background:var(--deepbg)}.card p{color:var(--muted)}.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--border)}.number-item:first-child{border-top:0}.number{font-size:30px;font-weight:900;color:var(--green);line-height:1}.shelf{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.shelf article{padding:16px;border-left:4px solid var(--green);background:var(--cream);border-radius:10px}.timeline{border-left:2px solid var(--green);margin-left:12px;padding-left:24px;display:grid;gap:18px}.timeline article{position:relative}.timeline article:before{content:"";position:absolute;left:-31px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--cream)}.status{display:inline-block;margin-top:4px;padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--ink);font-weight:700;font-size:13px}.long-strip{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--border)}.long-strip:first-child{border-top:0}.note-article{max-width:850px}.note-article + .note-article{margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}.image-wide{height:230px;background:var(--deepbg);border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center}.image-wide img{width:100%;height:100%;object-fit:contain}.app-layout{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:28px;align-items:center}.app-visual{max-height:420px;min-height:320px;background:var(--deepbg);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.app-visual img{max-width:100%;max-height:420px;object-fit:contain}.icon-row{display:flex;gap:14px;align-items:center}.app-icon{width:64px;height:64px;object-fit:contain}.prose{max-width:900px}.prose h2{margin-top:26px}.prose ul{padding-left:20px}.faq-list{display:grid;gap:14px}.faq-item{padding:18px;background:#fff;border:1px solid var(--border);border-radius:14px}.faq-item h2{font-size:18px}.site-footer{background:var(--ink);color:var(--soft);padding:36px 0 calc(80px + env(safe-area-inset-bottom))}.footer-brand-row{margin-bottom:20px}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand strong{display:block;color:#fff;font-size:22px}.footer-brand span{font-size:12px}.footer-grid{grid-template-columns:repeat(4,1fr)}.footer-grid section{display:flex;flex-direction:column;gap:7px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 6px}.footer-grid a{color:var(--soft);font-size:14px}.footer-note{border-top:1px solid rgba(216,238,220,.18);margin-top:24px;padding-top:16px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(15,61,36,.48);z-index:60;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.basket-panel{position:fixed;left:50%;bottom:0;transform:translate(-50%,105%);width:min(720px,calc(100% - 24px));max-height:70vh;background:var(--cream);z-index:70;border-radius:18px 18px 0 0;padding:18px;overflow:auto;visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.basket-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.basket-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.basket-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.basket-brand img{height:32px;max-width:150px;object-fit:contain}.close-button{min-height:44px;padding:8px 14px;border:1px solid var(--border-strong);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer}.basket-grid{grid-template-columns:repeat(2,1fr);margin-top:16px}.basket-grid section{background:#fff;padding:14px;border:1px solid var(--border);border-radius:14px}.basket-grid h2{font-size:15px;color:var(--green);margin:0 0 8px}.basket-grid a{display:block;padding:9px 0;border-top:1px solid var(--border)}.basket-grid a:first-of-type{border-top:0}.basket-grid b{display:block;color:var(--ink)}.basket-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.search-layer{position:fixed;left:0;right:0;top:96px;z-index:75;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--cream);padding:20px;border:1px solid var(--border);border-radius:0 0 18px 18px;box-shadow:var(--shadow)}.search-head h2{color:var(--ink);margin:0}.search-appearance{margin:16px 0;padding:14px;border:1px solid var(--border-strong);border-radius:12px;background:#fff;color:var(--assist)}.search-links{display:flex;flex-wrap:wrap;gap:9px}.search-links a{padding:8px 12px;border-radius:10px;background:var(--soft);color:var(--ink);font-weight:700}.mobile-bottom-nav{display:none}.no-scroll{overflow:hidden}.primary-button:hover,.app-link:hover,.basket-button:hover,.secondary-button:hover,.ridge-link:hover,.search-links a:hover,.footer-grid a:hover{text-decoration:underline}.primary-button:focus-visible,.app-link:focus-visible,.basket-button:focus-visible,.secondary-button:focus-visible,.ridge-link:focus-visible,.search-links a:focus-visible,.footer-grid a:focus-visible,.text-button:focus-visible,.close-button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
@media(max-width:900px){.cards-3,.cards-4,.topic-grid,.shelf{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.app-layout{grid-template-columns:1fr}.app-visual{max-width:420px}.long-strip{grid-template-columns:1fr}}
@media(max-width:680px){:root{--shell:calc(100% - 32px)}.ridge-path{display:none}.site-main{padding-top:120px}.field-gate__inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand__logo{height:30px;max-width:125px}.brand__text{font-size:20px}.basket-button,.app-link{padding:8px 12px;white-space:nowrap}.cards-3,.cards-2,.cards-4,.topic-grid,.shelf,.footer-grid,.basket-grid{grid-template-columns:1fr}.hero-media{aspect-ratio:16/9}.section{padding:19px}.basket-panel{width:100%;max-height:78vh}.search-layer{top:24px;bottom:0;background:var(--ink);padding:68px 16px 16px}.search-card{width:100%;height:100%;margin:0;background:var(--ink);color:var(--cream);border:0;border-radius:16px;overflow:auto}.search-head h2{color:#fff}.search-appearance{background:rgba(255,255,255,.08);color:var(--cream);border-color:rgba(255,255,255,.2)}.search-links a{background:var(--green);color:#fff}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:35;min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-bottom-nav a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink)}.mobile-bottom-nav a.is-current{background:var(--green);color:#fff}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}}


/* 2026 new topic edition */
.new-hero .hero-copy{padding-top:28px}.section-head{margin-bottom:22px}.text-link{display:inline-flex;margin-top:10px;font-weight:800;color:#1F8A4C;text-decoration:none}.text-link:hover{text-decoration:underline}.inner-hero{max-width:1220px;margin:0 auto;padding:38px 24px 18px}.inner-hero .lead{max-width:900px}.article-stack{display:grid;gap:18px}.content-block{background:#fff;border:1px solid rgba(31,138,76,.18);border-radius:16px;padding:24px;box-shadow:0 14px 36px rgba(15,61,36,.07)}.content-block h2{margin-top:0}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid rgba(31,138,76,.18);border-radius:14px;padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:800;color:#0F3D24}.faq-list p{margin-bottom:0}@media(max-width:720px){.inner-hero{padding:26px 16px 10px}.content-block{padding:18px}.new-hero .hero-copy{padding-top:20px}}