:root{
  --bg:#F4FBF4;--bg-deep:#E6F3E8;--card:#FFFFFF;--soft:#D8EEDC;
  --title:#0F3D24;--text:#1A3D28;--muted:#3E6B4E;--light:#6A8A72;
  --green:#1F8A4C;--green-bright:#2EA860;--green-dark:#0F3D24;--leaf:#7AC994;--cream:#F4FBF4;--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;--max:1220px;--top:144px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;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",sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden;padding-top:var(--top)}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;color:var(--green-dark);padding:10px 14px;border-radius:10px;border:1px solid var(--border-strong)}
.skip-link:focus{top:10px}
.top-shell{position:fixed;inset:0 0 auto 0;z-index:120;box-shadow:0 2px 16px rgba(15,61,36,.05)}
.top-fence{height:24px;background:var(--green-dark);color:var(--cream)}
.top-fence__inner{height:100%;max-width:var(--max);margin:auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:.03em}
.text-button{border:0;background:transparent;color:inherit;min-height:24px;padding:0 6px}
.field-gate{height:72px;background:var(--cream);border-bottom:1px solid var(--border)}
.field-gate__inner{max-width:var(--max);height:100%;margin:auto;padding:0 18px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;max-width:220px}
.brand-logo{height:34px;width:auto;max-width:200px;object-fit:contain;object-position:left center}
.brand-fallback{font-size:24px;font-weight:800;color:var(--green-dark);letter-spacing:.04em}
.basket-button,.app-link{min-height:44px;border-radius:12px;padding:9px 18px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.basket-button{border:1px solid var(--border-strong);background:#fff;color:var(--green-dark)}
.app-link{justify-self:end;background:linear-gradient(135deg,#2EA860 0%,#1F8A4C 55%,#0F3D24 100%);color:#fff}
.ridge-nav{height:48px;background:var(--soft);border-bottom:1px solid var(--border)}
.ridge-nav__inner{max-width:var(--max);height:100%;margin:auto;display:flex;align-items:center;justify-content:center;gap:24px;padding:0 18px}
.ridge-nav a{min-height:34px;padding:4px 14px;border-radius:10px;display:inline-flex;align-items:center;font-weight:700;color:var(--green-dark)}
.ridge-nav a.is-current{background:var(--green);color:#fff}
.site-main{min-height:60vh}
.page-shell{max-width:var(--max);margin:0 auto;padding:42px 18px 72px}
.hero,.section-card,.article-card,.notice-card,.topic-card,.shelf-card,.term-card,.faq-card,.contact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{padding:28px;margin-bottom:26px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:800;font-size:14px;letter-spacing:.05em;margin:0 0 10px}
h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}
h1{font-size:clamp(28px,4vw,32px);margin-bottom:14px}
h2{font-size:24px;margin-bottom:14px}
h3{font-size:18px;margin-bottom:8px}
p{margin:0 0 14px}.lead{font-size:17px;color:var(--muted);max-width:860px}.muted{color:var(--light)}
.section{margin:28px 0}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px}.section-heading p{margin:0;color:var(--light)}
.section-card{padding:24px}.article-card{padding:22px}.notice-card{padding:20px;background:var(--bg-deep)}
.image-slot{width:100%;min-height:180px;border-radius:14px;background:linear-gradient(145deg,var(--green-dark),#1B6A3C);display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--border);position:relative}
.image-slot:empty::after{content:"51 GUAGUA";color:#F4FBF4;font-weight:800;letter-spacing:.18em;opacity:.72}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero-media{max-height:320px;aspect-ratio:16/9}.hero-media img{max-height:320px}
.column-media{height:200px}.wide-media{height:230px}.app-media{min-height:300px;max-height:420px}.app-media img{max-height:420px;width:auto}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.btn-primary,.btn-secondary{min-height:44px;padding:10px 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,#2EA860 0%,#1F8A4C 55%,#0F3D24 100%);color:#fff}.btn-secondary{background:var(--cream);color:var(--green-dark);border-color:var(--border-strong)}
.btn-primary:hover,.btn-primary:focus-visible,.app-link:hover,.app-link:focus-visible{filter:brightness(.94)}
.btn-secondary:hover,.btn-secondary:focus-visible,.basket-button:hover,.basket-button:focus-visible{background:var(--bg-deep)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,196,88,.75);outline-offset:3px}
.grid-2,.grid-3,.grid-4,.grid-6{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}
.card-link{display:block;height:100%}.card-link:hover .article-card,.card-link:focus-visible .article-card{border-color:var(--border-strong);transform:translateY(-2px)}.article-card{transition:.18s ease}
.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:15px 0;border-bottom:1px solid var(--border)}.number-row:last-child{border-bottom:0}.big-number{font-size:30px;line-height:1;font-weight:900;color:var(--green)}
.index-pills{display:flex;flex-wrap:wrap;gap:10px}.index-pills a,.tag{display:inline-flex;min-height:38px;align-items:center;border-radius:999px;padding:6px 14px;background:var(--bg-deep);color:var(--green-dark);font-weight:700;border:1px solid var(--border)}
.topic-card,.shelf-card,.term-card,.faq-card,.contact-card{padding:20px}.topic-card strong,.shelf-card strong,.term-card strong{display:block;color:var(--green-dark);font-size:18px;margin-bottom:6px}
.shelf-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.shelf-card{box-shadow:none;background:linear-gradient(180deg,#fff,var(--bg))}
.timeline{position:relative;margin:0;padding-left:28px}.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--border-strong)}.timeline-item{position:relative;padding:0 0 24px 14px}.timeline-item::before{content:"";position:absolute;left:-27px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--green-dark);font-weight:800;font-size:13px}
.long-strip{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--border)}.long-strip:last-child{border-bottom:0}.long-strip h3{margin:0}
.quote-note{border-left:4px solid var(--green);padding:15px 18px;background:var(--bg-deep);border-radius:0 12px 12px 0;color:var(--muted)}
.opinion-label{display:inline-flex;background:var(--green-dark);color:#fff;border-radius:8px;padding:3px 9px;font-size:13px;font-weight:800;margin-bottom:10px}
.app-layout{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:28px;align-items:center}.icon-wrap{display:flex;align-items:center;gap:14px;margin:16px 0}.app-icon{width:64px;height:64px;object-fit:contain;border-radius:14px;background:#fff;border:1px solid var(--border)}
.term-list{display:grid;gap:14px}.term-card{box-shadow:none}.term-card h2{font-size:20px}.term-card ul{margin:10px 0 0;padding-left:1.25em}.term-card li{margin-bottom:8px}
.faq-list{display:grid;gap:14px}.faq-card h2{font-size:19px}.faq-card p{margin-bottom:0}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.contact-card{box-shadow:none}.contact-card h2{font-size:20px}
.meta-note{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.meta-note span{font-size:13px;color:var(--muted);background:var(--bg-deep);padding:4px 9px;border-radius:999px}
.site-footer{background:var(--green-dark);color:var(--soft);padding:46px 18px 70px}.footer-inner{max-width:var(--max);margin:auto}.footer-brand{display:flex;align-items:center;gap:16px;margin-bottom:28px}.footer-brand__mark{display:flex;align-items:center}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{display:block;color:var(--leaf);font-size:13px;letter-spacing:.08em}.footer-logo{filter:brightness(0) invert(1)}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}.footer-grid h2{font-size:16px;color:#fff;margin-bottom:10px}.footer-grid a{display:block;color:var(--soft);padding:4px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;text-decoration:underline}.footer-note{margin:28px 0 8px;max-width:940px;color:#C6E3CC}.copyright{margin:0;color:#95BEA0;font-size:14px}
.overlay{position:fixed;inset:0;background:rgba(8,32,19,.56);z-index:180;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.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);border:1px solid var(--border-strong);border-bottom:0;border-radius:18px 18px 0 0;z-index:200;visibility:hidden;pointer-events:none;box-shadow:0 -24px 70px rgba(15,61,36,.24);transition:transform .25s ease,visibility .25s}.basket-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.basket-head{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--border);background:#fff;border-radius:18px 18px 0 0}.basket-brand{display:flex;align-items:center;gap:12px;color:var(--green-dark)}.panel-close{min-width:44px;min-height:44px;border-radius:10px;border:1px solid var(--border-strong);background:var(--cream);color:var(--green-dark)}.basket-scroll{overflow:auto;max-height:calc(70vh - 66px);padding:18px}.basket-group{margin-bottom:20px}.basket-group h2{font-size:15px;color:var(--green);margin-bottom:8px}.basket-group a{display:grid;grid-template-columns:118px 1fr;gap:10px;padding:11px 8px;border-bottom:1px solid var(--border);min-height:52px}.basket-group a:hover,.basket-group a:focus-visible{background:var(--bg-deep);border-radius:10px}.basket-group span{color:var(--muted);font-size:14px}
.search-layer{position:fixed;z-index:205;top:96px;left:0;right:0;display:flex;justify-content:center;visibility:hidden;pointer-events:none;opacity:0;transition:.18s ease}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,calc(100% - 32px));background:var(--cream);border:1px solid var(--border-strong);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.search-card label{display:block;font-weight:800;color:var(--green-dark);margin-bottom:8px}.search-card input{width:100%;min-height:48px;border:1px solid var(--border-strong);border-radius:12px;padding:10px 14px;background:#fff;color:var(--text)}.search-card p{font-size:13px;color:var(--muted);margin:8px 0 14px}.search-links{display:flex;flex-wrap:wrap;gap:8px}.search-links a{min-height:40px;display:inline-flex;align-items:center;padding:7px 13px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--green-dark);font-weight:700}
.mobile-bottom{display:none}
.hero-home{padding:0;overflow:hidden}.hero-home .hero-media{border-radius:0;max-height:320px}.hero-home__content{padding:26px}.home-intro{font-size:17px;max-width:860px}.home-section{padding:24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.home-section .wide-media{margin-bottom:18px}.home-section+.home-section{margin-top:24px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature-item .content{padding:18px}.feature-item h2{font-size:21px}.feature-item p{margin-bottom:12px}.text-link{font-weight:800;color:var(--green)}
.editor-list{display:grid;gap:12px}.editor-list article{padding:17px;border:1px solid var(--border);border-radius:14px;background:var(--bg)}
.simple-list{margin:0;padding-left:1.25em}.simple-list li{margin-bottom:8px}
.notice-inline{padding:16px 18px;background:var(--bg-deep);border-left:4px solid var(--green);border-radius:0 12px 12px 0;color:var(--muted)}
@media (max-width:900px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-6,.shelf-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-layout{grid-template-columns:1fr}.app-layout .app-media{max-width:360px;margin:auto;width:100%}
}
@media (max-width:640px){
  :root{--top:96px}
  body{padding-top:var(--top);padding-bottom:calc(58px + env(safe-area-inset-bottom))}
  .ridge-nav{display:none}.top-fence__inner,.field-gate__inner,.page-shell{padding-left:16px;padding-right:16px}.field-gate__inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-link{max-width:132px;overflow:hidden}.brand-logo{height:30px;max-width:128px}.brand-fallback{font-size:20px;white-space:nowrap}.basket-button,.app-link{padding:8px 10px;font-size:14px;min-width:62px}.app-link{white-space:nowrap}
  .page-shell{padding-top:28px;padding-bottom:48px}.hero{padding:20px}.hero-home__content{padding:20px}.grid-2,.grid-3,.grid-4,.grid-6,.shelf-grid,.feature-grid,.contact-grid{grid-template-columns:1fr}.section-card,.article-card,.topic-card,.shelf-card,.term-card,.faq-card,.contact-card{padding:18px}.section-heading{display:block}.section-heading p{margin-top:6px}.column-media{height:190px}.wide-media{height:210px}.long-strip{grid-template-columns:1fr;gap:4px}.number-row{grid-template-columns:46px 1fr}.big-number{font-size:26px}
  .site-footer{padding:38px 16px calc(86px + env(safe-area-inset-bottom))}.footer-grid{grid-template-columns:1fr 1fr;gap:20px 14px}.footer-note{font-size:14px}
  .basket-panel{width:100%;max-height:78vh;border-radius:18px 18px 0 0}.basket-scroll{max-height:calc(78vh - 66px)}.basket-group a{grid-template-columns:104px 1fr;padding-left:0;padding-right:0}.basket-group span{font-size:13px}
  .search-layer{inset:0;top:0;background:var(--green-dark);align-items:stretch}.search-card{width:100%;border:0;border-radius:0;box-shadow:none;background:var(--green-dark);color:var(--cream);padding:calc(18px + env(safe-area-inset-top)) 16px 24px}.search-head strong,.search-card label{color:#fff}.search-card .panel-close{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.search-card p{color:#D8EEDC}.search-card input{background:#fff}.search-links a{background:#F4FBF4;color:var(--green-dark)}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:120;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(15,61,36,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:13px;font-weight:700;color:var(--green-dark)}.mobile-bottom a.is-current{background:var(--green);color:#fff}.overlay{z-index:180}.mobile-bottom{z-index:120}
  h2{font-size:22px}.app-media{min-height:280px}.hero-media{aspect-ratio:16/10}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}