:root{--dt-accent:#16b364;--dt-accent-deep:#087443;--dt-accent-soft:#eaf7ef;--dt-bg:#fafaf8;--dt-card:#ffffff;--dt-text:#1d2939;--dt-muted:#667085;--dt-border:#e7ece9;--dt-shadow:0 12px 28px rgba(8,116,67,0.08);--dt-radius:16px;--dt-font:"Noto Sans JP","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--dt-font);color:var(--dt-text);background:var(--dt-bg);line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html[lang^=zh] body{letter-spacing:0;line-break:auto}html[lang=en] body{letter-spacing:normal}a{color:inherit;text-decoration:none}.guide-shell{min-height:100vh;display:flex;flex-direction:column}.guide-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top,0);--guide-header-h:3.25rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:rgba(255,255,255,.95);border-bottom:1px solid var(--dt-border)}.guide-header__inner{width:min(1180px,calc(100% - 1.5rem));margin:0 auto;height:var(--guide-header-h);display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:0 .15rem}@media (min-width:768px){.guide-header__inner{gap:.75rem}}@media (min-width:1024px){.guide-header__inner{height:auto;min-height:3.4rem;padding:.65rem 0;gap:.85rem}}.guide-header__brand-row{display:flex;align-items:center;gap:.45rem;flex-shrink:0;min-width:0;height:2.25rem}@media (min-width:768px){.guide-header__brand-row{height:2.5rem;gap:.55rem}}.guide-brand{display:inline-flex;align-items:center;gap:.55rem;min-width:0}.guide-brand__mark{width:2rem;height:2rem;display:block;flex-shrink:0;object-fit:contain;border-radius:10px}.guide-brand__mark--sm{width:1.75rem;height:1.75rem}.guide-brand__name{font-weight:750;white-space:nowrap}.guide-brand__tag{display:none;font-size:.72rem;color:var(--dt-muted)}@media (min-width:1024px){.guide-brand__tag{display:block}}.guide-header__actions{display:flex;align-items:center;gap:.35rem;flex-shrink:0;justify-content:flex-end}@media (min-width:768px){.guide-header__actions{gap:.5rem}}@media (min-width:1024px){.guide-header__actions{gap:.75rem}}.guide-header__search-icon{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:1px solid var(--dt-border);border-radius:12px;background:#fff;color:var(--dt-text)}.guide-header__search-icon:hover{border-color:rgba(22,179,100,.55);color:var(--dt-accent-deep)}@media (min-width:768px){.guide-header__search-icon{width:2.5rem;height:2.5rem}}@media (min-width:1024px){.guide-header__search-icon{display:none}}.guide-header__search-form{display:none;align-items:center;gap:.5rem;min-width:0}@media (min-width:1024px){.guide-header__search-form{display:flex}}.guide-header__search-input{min-height:2.5rem;width:11rem;border:1px solid var(--dt-border);border-radius:12px;background:var(--dt-card);padding:.45rem .75rem;font:inherit;font-size:.88rem;color:var(--dt-text);outline:none}.guide-header__search-input:focus{border-color:var(--dt-accent)}@media (min-width:1024px){.guide-header__search-input{width:11.5rem}}.guide-header__cta{display:inline-flex}.guide-header__cta.btn{min-height:2.5rem;padding:.35rem .75rem;border-radius:.75rem;font-size:.8125rem}.guide-locale{z-index:70;flex-shrink:0;overflow:visible}.guide-locale,.guide-locale__details{position:relative}.guide-locale__summary{display:inline-flex;align-items:center;gap:.25rem;list-style:none;cursor:pointer;min-height:2.25rem;padding:.25rem .65rem;border:1px solid var(--dt-border);border-radius:999px;background:var(--dt-card);color:var(--dt-text);font:inherit;font-size:.75rem;font-weight:650}.guide-locale__summary::-webkit-details-marker{display:none}.guide-locale__summary:hover{border-color:rgba(22,179,100,.55);color:var(--dt-accent-deep)}.guide-locale__summary.is-compact .guide-locale__full{display:none}@media (min-width:1024px){.guide-locale__summary{min-height:2.5rem;gap:.35rem;padding:.35rem .75rem;font-size:.88rem}.guide-locale__summary.is-compact .guide-locale__short{display:none}.guide-locale__summary.is-compact .guide-locale__full{display:inline}}.guide-locale-chevron{width:.875rem;height:.875rem;flex-shrink:0;color:var(--dt-muted)}.guide-locale__menu{position:absolute;right:0;top:100%;z-index:80;margin-top:.25rem;min-width:9.5rem;padding:.25rem;border:1px solid var(--dt-border);border-radius:12px;background:var(--dt-card);box-shadow:0 12px 28px rgba(15,23,42,.12)}.guide-locale__option{display:block;padding:.5rem .75rem;border-radius:10px;font-size:.88rem;font-weight:650;color:var(--dt-text)}.guide-locale__option:hover{background:var(--dt-bg);color:var(--dt-accent-deep)}.guide-locale__option.is-active{background:var(--dt-accent-soft);color:var(--dt-accent-deep)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;min-height:2.5rem;padding:.45rem 1rem;border-radius:1rem;border:1px solid transparent;font:inherit;font-size:.875rem;font-weight:650;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.btn-primary{background:var(--dt-accent);color:#fff}.btn-primary:hover{background:var(--dt-accent-deep)}.btn-ghost{background:#fff;border-color:var(--dt-border);color:var(--dt-text)}.btn-ghost:hover{border-color:rgba(22,179,100,.55);color:var(--dt-accent-deep)}.guide-shell-body{width:min(1280px,100%);margin:0 auto;flex:1 1;padding:.375rem 1.5rem 2rem;position:relative}@media (min-width:1024px){.guide-shell-body{padding:.5rem 2.5rem 2.5rem}}.guide-shell-card{position:relative;display:flex;flex-direction:column;flex:1 1;width:100%;overflow:hidden;border:1px solid var(--dt-border);border-radius:20px;background:var(--dt-card);box-shadow:0 1px 3px rgba(16,24,40,.06)}@media (min-width:768px){.guide-shell-card{flex-direction:row;align-items:stretch}}.guide-nav-aside{flex-shrink:0;background:var(--dt-card);padding:1rem}@media (min-width:768px){.guide-nav-aside{width:15rem;border-right:1px solid var(--dt-border)}}@media (min-width:1280px){.guide-nav-aside{width:16rem}}.guide-nav-scroll{overflow:visible}@media (max-width:767px){.guide-nav-aside{position:fixed;inset:0 auto 0 0;z-index:50;width:min(20rem,85vw);height:100%;height:100dvh;border-right:1px solid var(--dt-border);box-shadow:8px 0 28px rgba(15,23,42,.12);transform:translateX(-105%);pointer-events:none;transition:transform .28s ease}.guide-nav-aside.is-drawer-open{transform:translateX(0);pointer-events:auto}.guide-nav-scroll{height:100%;overflow-y:auto;overscroll-behavior:contain;padding-bottom:2rem}.guide-nav-backdrop{position:fixed;inset:0;z-index:40;margin:0;padding:0;border:0;background:rgba(15,23,42,.4);cursor:pointer}}@media (min-width:768px){.guide-nav-backdrop{display:none}}.guide-sidebar-collapsed-toggle{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;opacity:0}.guide-nav-collapse-chip{box-sizing:border-box;display:none;align-items:center;justify-content:center;gap:.3rem;margin:0;min-height:2.25rem;padding:.3rem .55rem;border:1px solid var(--dt-border);border-radius:12px;background:#fff;color:var(--dt-text);font:inherit;font-size:.75rem;font-weight:650;line-height:1;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;white-space:nowrap;-moz-appearance:none;appearance:none;-webkit-appearance:none}@media (min-width:768px){.guide-nav-collapse-chip{min-height:2.5rem;padding:.3rem .65rem;font-size:.88rem}}.guide-nav-collapse-chip:hover{border-color:rgba(22,179,100,.55);color:var(--dt-accent-deep)}.guide-header-nav-phone{display:inline-flex}.guide-header-nav-collapse,.guide-header-nav-expand{display:none;align-items:center;justify-content:center}@media (min-width:768px){.guide-header-nav-phone{display:none}.guide-header-nav-collapse{display:inline-flex}.guide-sidebar-collapsed-toggle:checked~.guide-header .guide-header-nav-collapse{display:none}.guide-sidebar-collapsed-toggle:checked~.guide-header .guide-header-nav-expand{display:inline-flex}.guide-sidebar-collapsed-toggle:checked~.guide-shell-body .guide-nav-aside{display:none!important}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.guide-sidebar-nav{display:flex;flex-direction:column;gap:.15rem}.guide-nav-disclosure{border-radius:12px;border:1px solid transparent}.guide-nav-disclosure__summary{display:flex;align-items:center;justify-content:space-between;gap:.5rem;min-height:2.5rem;margin:0;padding:.45rem .5rem;border-radius:12px;list-style:none;cursor:pointer;font-size:.78rem;font-weight:750;letter-spacing:.02em;color:var(--dt-muted);-webkit-user-select:none;-moz-user-select:none;user-select:none}.guide-nav-disclosure__summary::-webkit-details-marker{display:none}.guide-nav-disclosure__summary:hover{background:var(--dt-accent-soft);color:var(--dt-accent-deep)}.guide-nav-chevron{width:1rem;height:1rem;flex-shrink:0;color:var(--dt-muted);transition:transform .2s ease}.guide-nav-disclosure[open]>.guide-nav-disclosure__summary .guide-nav-chevron{transform:rotate(90deg)}@media (prefers-reduced-motion:reduce){.guide-nav-chevron{transition:none}}.guide-sidebar__list{list-style:none;margin:0;padding:0 0 .45rem .85rem;display:grid;grid-gap:.15rem;gap:.15rem}.guide-sidebar__link{display:block;padding:.35rem .5rem .35rem .75rem;border-radius:10px;font-size:.86rem;color:var(--dt-text);text-decoration:none;border-left:2px solid transparent}.guide-sidebar__link.is-active,.guide-sidebar__link:hover{background:var(--dt-accent-soft);color:var(--dt-accent-deep);border-left-color:var(--dt-accent)}.guide-main{min-width:0;flex:1 1;padding:1rem}@media (min-width:640px){.guide-main{padding:1.5rem}}@media (min-width:1024px){.guide-main{padding:2rem}}.site-footer{margin-top:auto;border-top:1px solid var(--dt-border);background:var(--dt-bg);padding:3rem 0 2rem}.site-footer__inner{width:min(1180px,calc(100% - 1.5rem));margin-inline:auto}.site-footer__row{display:flex;flex-direction:column;gap:2rem}.site-footer__brand .guide-brand{margin-bottom:1rem}.site-footer__copy{margin:0;font-size:.75rem;line-height:1.5;color:var(--dt-muted)}.site-footer__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:1.5rem 1.25rem;gap:1.5rem 1.25rem}.site-footer__col-title{display:flex;align-items:center;gap:.4rem;margin:0 0 .55rem;font-size:.88rem;font-weight:750;color:var(--dt-text)}.site-footer .nav-ico{display:inline-flex;flex-shrink:0;color:var(--dt-muted)}.site-footer__col-title .nav-ico{color:var(--dt-text)}.site-footer li a:hover .nav-ico{color:var(--dt-accent)}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:.35rem 0}.site-footer li a{display:inline-flex;align-items:center;gap:.4rem;color:var(--dt-muted);font-size:.88rem}.site-footer li a:hover{color:var(--dt-accent)}@media (min-width:960px){.site-footer__row{flex-direction:row;align-items:flex-start;justify-content:space-between}.site-footer__grid{flex:1 1;grid-template-columns:repeat(5,minmax(0,1fr))}}.guide-article h1,.guide-home h1{margin:0;font-size:clamp(1.6rem,3vw,2rem);letter-spacing:-.03em}.guide-lead{margin:.75rem 0 0;color:var(--dt-muted);max-width:42rem}.guide-callout{margin:1rem 0 0;padding:.85rem 1rem;border-radius:14px;border:1px solid rgba(22,179,100,.3);background:rgba(22,179,100,.05);font-size:.92rem}.guide-locale-fallback{margin:0 0 1rem;padding:.7rem .9rem;border-radius:12px;border:1px solid rgba(15,23,42,.1);background:rgba(15,23,42,.03);color:var(--dt-muted);font-size:.88rem}.guide-locale-fallback a{color:var(--dt-accent,#0f766e);font-weight:650}.guide-grid{display:grid;grid-gap:.75rem;gap:.75rem;margin-top:1rem}@media (min-width:700px){.guide-grid--2{grid-template-columns:1fr 1fr}.guide-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}}.guide-card{display:block;border:1px solid var(--dt-border);background:var(--dt-card);border-radius:var(--dt-radius);padding:1rem 1.05rem;box-shadow:var(--dt-shadow)}.guide-card:hover{border-color:rgba(22,179,100,.45)}.guide-card h3{margin:0;font-size:1rem}.guide-card p{margin:.4rem 0 0;color:var(--dt-muted);font-size:.9rem}.guide-section-block{margin-top:1.5rem;border:1px solid var(--dt-border);background:var(--dt-card);border-radius:var(--dt-radius);padding:1rem 1.1rem}.guide-section-block h2{margin:0 0 .65rem;font-size:1.05rem}.guide-link-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:.35rem;gap:.35rem}@media (min-width:700px){.guide-link-list{grid-template-columns:1fr 1fr}}.guide-link-list a{color:var(--dt-accent-deep);font-weight:650;font-size:.92rem}.guide-link-list a:hover{text-decoration:underline}.guide-article__meta{margin:.55rem 0 0;color:var(--dt-muted);font-size:.85rem}.guide-article__body{margin-top:1.25rem}.guide-article__body h2{margin:1.4rem 0 .55rem;font-size:1.15rem}.guide-article__body h3{margin:1.1rem 0 .4rem;font-size:1.02rem}.guide-article__body ol,.guide-article__body p,.guide-article__body table,.guide-article__body ul{margin:.55rem 0}.guide-article__body a{color:var(--dt-accent-deep);font-weight:650;text-decoration:underline;text-underline-offset:2px}.guide-article__body table{width:100%;border-collapse:collapse;font-size:.92rem}.guide-article__body td,.guide-article__body th{border:1px solid var(--dt-border);padding:.45rem .55rem;text-align:left;vertical-align:top}.guide-article__body th{background:var(--dt-accent-soft)}.guide-article-pager{margin-top:2rem;padding-top:1.35rem;border-top:1px solid var(--dt-border)}.guide-article-pager__progress{margin:0 0 .75rem;font-size:.78rem;color:var(--dt-muted);text-align:left}.guide-article-pager__row{display:flex;flex-direction:column-reverse;gap:.75rem}.guide-pager-card{display:flex;flex:1 1;flex-direction:column;justify-content:center;min-height:4.5rem;padding:.85rem 1rem;border-radius:16px;border:1px solid var(--dt-border);background:var(--dt-card);text-decoration:none;color:inherit;transition:border-color .15s ease,box-shadow .15s ease}.guide-pager-card:hover{border-color:var(--ds-accent-a40,rgba(22,179,100,.4));box-shadow:0 1px 3px rgba(16,24,40,.06)}.guide-pager-card--prev{text-align:left;align-items:flex-start}.guide-pager-card--next{text-align:right;align-items:flex-end}.guide-pager-card__label{display:inline-flex;align-items:center;gap:.25rem;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--dt-muted)}.guide-pager-card--next .guide-pager-card__label{flex-direction:row}.guide-pager-card__title{margin-top:.3rem;font-size:.92rem;font-weight:700;line-height:1.35;color:var(--dt-text);-webkit-line-clamp:2}.guide-pager-card__section,.guide-pager-card__title{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.guide-pager-card__section{margin-top:.2rem;font-size:.75rem;color:var(--dt-muted);-webkit-line-clamp:1}.guide-pager-placeholder{display:none;flex:1 1;min-height:4.5rem;border-radius:16px;border:1px solid transparent}.guide-article-foot{margin-top:2.25rem;padding-top:1rem;border-top:1px solid var(--dt-border);font-size:.78rem;line-height:1.55;color:var(--dt-muted)}.guide-article-foot p{margin:0}.guide-article-foot p+p{margin-top:.25rem}@media (min-width:640px){.guide-article-pager__row{flex-direction:row;align-items:stretch}.guide-pager-placeholder{display:block}}.guide-search-form{display:flex;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.guide-search-form input{flex:1 1;min-width:12rem;min-height:2.4rem;border:1px solid var(--dt-border);border-radius:12px;padding:.45rem .75rem;font:inherit}.guide-search-hit{display:block;margin-top:.75rem;padding:.9rem 1rem;border-radius:14px;border:1px solid var(--dt-border);background:var(--dt-card)}.guide-search-hit:hover{border-color:rgba(22,179,100,.45)}.guide-search-hit strong{display:block}.guide-search-hit span{display:block;margin-top:.35rem;color:var(--dt-muted);font-size:.88rem}.guide-empty{margin-top:1rem;color:var(--dt-muted)}.guide-deep-link{display:inline-flex;margin-top:1rem}.guide-home__cta-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.guide-article__toolbar{display:flex;flex-wrap:wrap;gap:.65rem 1rem;align-items:center;margin:0 0 .75rem;font-size:.88rem}.guide-article__toolbar a{color:var(--dt-accent-deep);font-weight:650}