:root{--paper:#fcfcf5;--surface:#fff;--ink:#293e32;--muted:#788476;--green:#658c60;--green-dark:#41643d;--soft:#eef4e7;--line:#dce4d6;--yellow:#f5d77c;font-family:"Avenir Next","Nunito","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper)}[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}:focus-visible{outline:3px solid #82a4cc;outline-offset:4px}.shell{width:min(980px,calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:30;height:80px;display:grid;grid-template-columns:205px minmax(0,1fr) auto;align-items:center;gap:26px;padding:0 max(24px,calc((100% - 1160px)/2));background:#fcfcf5f2;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:25px;font-weight:850;letter-spacing:-1.2px;text-decoration:none}.brand img{width:36px;height:38px}.brand span span{color:var(--green)}.site-header nav{display:flex;align-self:stretch;gap:28px}.site-header nav a{position:relative;display:flex;align-items:center;color:var(--muted);font-size:18px;font-weight:700;text-decoration:none;white-space:nowrap}.site-header nav a[aria-current=page]{color:var(--green-dark)}.site-header nav a[aria-current=page]:after{content:"";position:absolute;inset:auto 0 0;height:3px;border-radius:3px;background:var(--green)}.language-link{color:var(--green-dark);font-size:13px;font-weight:800;text-decoration:none}
.faq-intro{position:sticky;top:80px;z-index:25;background:#fcfcf5f5;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.faq-toolbar{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px;align-items:center;padding:16px 0}.category-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px}.category-links a{position:relative;padding:8px 0;color:#71806f;font-size:15px;font-weight:750;text-decoration:none;white-space:nowrap}.category-links a:after{content:"";position:absolute;right:0;bottom:-4px;left:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .18s}.category-links a:hover,.category-links a:focus-visible,.category-links a.active{color:var(--green-dark)}.category-links a:hover:after,.category-links a:focus-visible:after,.category-links a.active:after{height:2px;transform:scaleX(1)}
.search-wrap{position:relative;min-width:0}.search-box{height:44px;display:grid;grid-template-columns:22px minmax(0,1fr);gap:8px;align-items:center;padding:0 13px;border:1px solid #b9c9b3;border-radius:9px;background:#fff}.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px #dfead8}.search-box span{font-size:20px;transform:rotate(-16deg)}.search-box input{min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}.search-box input::placeholder{color:#98a198}.search-suggestions{position:absolute;top:calc(100% + 7px);right:0;z-index:20;width:min(410px,calc(100vw - 32px));padding:7px;border:1px solid var(--line);border-radius:11px;background:#fff;box-shadow:0 14px 38px rgba(41,62,50,.12)}.search-suggestions:before{content:attr(data-label);display:block;padding:7px 10px 5px;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.08em}.search-suggestion{width:100%;display:block;padding:9px 10px;border:0;border-radius:7px;background:transparent;color:var(--ink);font-size:12px;text-align:left}.search-suggestion:hover{background:var(--soft)}.search-suggestion mark{padding:0;background:transparent;color:var(--green);font-weight:800}
.faq-layout{padding-block:28px 60px}.faq-list{display:grid;gap:54px}.faq-section{scroll-margin-top:174px}.faq-section-heading{margin-bottom:12px}.faq-section-heading h2{margin:0;font-size:22px;letter-spacing:-.4px}.faq-group{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:19px 0;border:0;background:transparent;color:var(--ink);text-align:left}.faq-question:hover .question-copy{color:var(--green-dark)}.question-copy{display:inline;font-size:16px;font-weight:720;line-height:1.55}.plus{width:24px;height:24px;display:grid;place-items:center;color:var(--green);font-size:22px;line-height:1;transition:transform .18s}.faq-item.open .plus{transform:rotate(45deg)}.faq-answer{display:none;margin:0 34px 25px 0;padding:0 24px 1px 20px;border-left:3px solid var(--yellow);color:#4f5d52;font-size:14px;line-height:1.95}.faq-item.open .faq-answer{display:block}.faq-answer p{margin:0}.faq-answer p+p{margin-top:12px}.answer-example{padding-top:12px;border-top:1px solid var(--line)}.answer-example b,.answer-note b{color:var(--ink);font-size:13px}.answer-note{color:#788476;font-size:12px}.answer-sources{font-size:11px}.answer-sources a{color:var(--green-dark)}.empty-state{padding:50px 20px;text-align:center;border:1px dashed #bdcbb7;border-radius:15px}.empty-state p{color:var(--muted);font-size:12px}footer{display:flex;justify-content:space-between;padding:28px 0 36px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}footer strong{color:var(--ink);font-size:15px}
@media(max-width:850px){.site-header{grid-template-columns:auto minmax(0,1fr);padding-inline:18px}.language-link{display:none}.site-header nav{justify-content:flex-end;gap:18px}.site-header nav a{font-size:14px}.faq-toolbar{grid-template-columns:1fr;gap:8px;padding-block:12px}.search-wrap{grid-row:1}}
@media(max-width:650px){.shell{width:min(100% - 28px,980px)}.site-header{height:112px;grid-template-columns:1fr;grid-template-rows:59px 53px;gap:0}.brand{font-size:20px}.brand img{width:29px;height:32px}.site-header nav{justify-content:flex-start;gap:20px;overflow:auto}.site-header nav a{font-size:14px}.faq-intro{top:112px}.search-box{width:100%}.category-links{flex-wrap:nowrap;gap:20px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.category-links::-webkit-scrollbar{display:none}.category-links a{font-size:14px}.faq-layout{padding-block:24px 48px}.faq-list{gap:44px}.faq-section{scroll-margin-top:214px}.faq-section-heading h2{font-size:19px}.question-copy{font-size:14px}.faq-question{padding:17px 0}.faq-answer{margin-right:0;padding:0 0 1px 15px;font-size:13px}footer{display:grid;gap:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Confirmed FAQ hierarchy: restrained navigation, clear sections, indexed questions. */
.faq-list{counter-reset:faq-section}
.faq-section{counter-increment:faq-section;counter-reset:faq-question}
.faq-section-heading{display:flex;align-items:center;gap:12px}
.faq-section-heading:before{content:counter(faq-section);width:32px;height:32px;display:inline-grid;flex:0 0 auto;place-items:center;border-radius:9px;background:var(--yellow);color:var(--green-dark);font-size:14px;font-weight:800;line-height:1;transform:rotate(-3deg)}
.faq-section:nth-child(even) .faq-section-heading:before{transform:rotate(3deg)}
.faq-section-heading h2{font-size:var(--wr-text-section);font-weight:var(--wr-weight-semibold);line-height:var(--wr-leading-heading)}
.faq-item{counter-increment:faq-question}
.faq-question{grid-template-columns:38px minmax(0,1fr) auto}
.faq-question:before{content:counter(faq-question,decimal-leading-zero);min-width:30px;min-height:26px;display:inline-grid;place-items:center;border-radius:7px;background:#fbf0c7;color:var(--green-dark);font-size:12px;font-weight:800;line-height:1;transform:rotate(-2deg)}
.faq-item:nth-child(even) .faq-question:before{transform:rotate(2deg)}
.question-copy{font-size:var(--wr-text-body);font-weight:var(--wr-weight-medium)}
.faq-answer{margin-left:54px;font-size:var(--wr-text-body-compact);line-height:var(--wr-leading-body)}
@media(max-width:650px){.faq-section-heading:before{width:28px;height:28px;font-size:13px}.faq-section-heading h2{font-size:var(--wr-text-section)}.faq-question{grid-template-columns:34px minmax(0,1fr) auto}.faq-question:before{min-width:27px;min-height:24px;font-size:11px}.question-copy{font-size:var(--wr-text-body);font-weight:var(--wr-weight-medium)}.faq-answer{margin-left:48px;font-size:var(--wr-text-body-compact)}}