/* Shared styles for all parenting knowledge detail pages. */
:root{--teal-900:#005c61;--teal-800:#007f80;--teal-700:#0b9a97;--teal-100:#e7f7f4;--teal-050:#f5fbfa;--ink:#123d40;--muted:#5f7778;--yellow:#f5c84c;--line:#d7ecea;--paper:#fff;--shadow:0 16px 40px rgba(0,88,90,.10)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%}:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}.container{width:min(1040px,calc(100% - 48px));margin:0 auto}.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}.skip-link{position:fixed;left:16px;top:10px;z-index:50;padding:9px 14px;border-radius:999px;color:var(--teal-900);background:var(--yellow);transform:translateY(-150%);font-weight:700}.skip-link:focus{transform:translateY(0)}
    .site-header{position:sticky;top:0;z-index:20;height:72px;display:flex;align-items:center;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,105,105,.08)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}.brand img{display:block;width:99px}.main-nav{display:flex;align-items:center;gap:28px;color:#234f50;font-size:15px}.main-nav a{padding:22px 0}.main-nav a.active{color:var(--teal-800);font-weight:700}.menu-toggle{display:none;width:40px;height:40px;border:0;border-radius:50%;color:var(--teal-900);background:transparent}.menu-icon{position:relative;display:block;width:19px;height:14px;margin:auto;border-top:2px solid;border-bottom:2px solid}.menu-icon:after{content:"";position:absolute;left:0;right:0;top:5px;border-top:2px solid}
    .detail-hero{padding:38px 0 62px;background:var(--teal-050)}.breadcrumb{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-bottom:34px;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--teal-800);font-weight:700}.detail-kicker{display:none;align-items:center;gap:9px;color:var(--teal-800);font-size:14px;font-weight:700}.detail-kicker:before{content:"";width:26px;height:2px;background:var(--yellow)}h1{max-width:16ch;margin:13px 0 18px;color:var(--teal-900);font-size:clamp(40px,6vw,68px);line-height:1.08;letter-spacing:0}.detail-summary{max-width:700px;margin:0;color:#2b6668;font-size:19px}.detail-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;color:var(--muted);font-size:13px}.status{display:inline-flex;padding:3px 9px;border-radius:999px;color:var(--teal-900);background:var(--yellow);font-weight:700}.status.pending{background:#fff;border:1px solid var(--line)}.detail-cover{margin:36px 0 0;overflow:hidden;border-radius:8px;background:#dff3f0;box-shadow:var(--shadow)}.detail-cover img{display:block;width:100%;max-height:760px;object-fit:contain;background:#eaf7f5}.detail-cover figcaption{padding:11px 16px;color:var(--muted);background:#fff;font-size:12px}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:64px;padding:72px 0 88px}.article-body{min-width:0}.key-answer{margin-bottom:38px;padding:26px 28px;border:1px solid var(--line);border-radius:8px;background:var(--teal-050)}.key-answer-label{margin:0 0 8px;color:var(--teal-800);font-size:13px;font-weight:800}.key-answer p:last-child{margin:0;color:var(--teal-900);font-size:21px;font-weight:700;line-height:1.5}.article-section{padding:31px 0;border-top:1px solid var(--line)}.article-section h2{margin:0 0 12px;color:var(--teal-900);font-size:28px;line-height:1.25;letter-spacing:0}.article-section p{margin:0;color:#456768;font-size:16px}.notice{margin-top:34px;padding:20px 22px;border-left:4px solid var(--yellow);background:#fff9df}.notice strong{display:block;margin-bottom:5px;color:var(--teal-900)}.notice p{margin:0;color:#6f6d52;font-size:14px}.article-aside{position:sticky;top:104px;align-self:start}.aside-card{padding:21px;border:1px solid var(--line);border-radius:8px;background:var(--teal-050)}.aside-card h2{margin:0 0 12px;color:var(--teal-900);font-size:17px}.toc{display:grid;gap:9px}.toc a{color:#2b6869;font-size:13px}.toc a:hover{color:var(--teal-800)}
    .article-nav{padding:48px 0;background:var(--teal-050)}.article-nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.article-nav a{color:var(--teal-800);font-size:14px;font-weight:700}.article-nav .next{text-align:right}.back-list{padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:#fff}.site-footer{padding:34px 0;color:rgba(236,255,253,.76);background:#00575d}.footer-row{display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:12px}.footer-row img{width:96px;filter:brightness(0) invert(1)}
    @media(prefers-color-scheme:dark){:root{--teal-900:#b8efea;--teal-800:#57d0c7;--teal-700:#35b9b0;--teal-100:#194c4e;--teal-050:#0c3033;--ink:#e2f3f1;--muted:#a9c7c5;--line:#285b5c;--paper:#09282b;--shadow:0 16px 40px rgba(0,0,0,.24)}.site-header{background:rgba(9,40,43,.95)}.main-nav{color:#d7efed}.detail-summary,.article-section p{color:#b5d3d0}.detail-cover img{background:#143d40}.detail-cover figcaption,.back-list{background:#123b3e}.notice{background:#4b421e}.notice p{color:#e0d49a}}
    @media(max-width:767px){.container{width:calc(100% - 32px)}.site-header{height:64px}.main-nav{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;background:var(--paper);border-bottom:1px solid var(--line)}.main-nav.open{display:flex}.main-nav a{padding:12px 4px;border-bottom:1px solid var(--line)}.menu-toggle{display:block}.detail-hero{padding:28px 0 42px}.breadcrumb{margin-bottom:24px}h1{font-size:42px}.detail-summary{font-size:17px}.detail-cover{margin-top:26px}.article-layout{grid-template-columns:1fr;gap:28px;padding:52px 0 62px}.article-aside{position:static;order:-1}.aside-card{display:none}.key-answer{padding:21px 20px}.key-answer p:last-child{font-size:18px}.article-section h2{font-size:24px}.article-nav-grid{grid-template-columns:1fr 1fr}.back-list{grid-column:1/-1;grid-row:1;text-align:center}.footer-row{align-items:flex-start;flex-direction:column}.next{overflow-wrap:anywhere}}

.header-actions{display:flex;align-items:center;gap:10px}.icon-btn{width:40px;height:40px;border:0;background:transparent;color:var(--teal-900);border-radius:50%;display:grid;place-items:center}.icon-btn:hover{background:var(--teal-100)}.main-nav a{position:relative}.main-nav a.active{color:inherit;font-weight:inherit}.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:15px;height:2px;background:var(--teal-700);transition:right .25s ease}.main-nav a:hover::after,.main-nav a.active::after{right:0}.nav-product-home{position:relative;display:inline-flex;align-items:center;gap:7px;padding:22px 0;border:0;background:transparent;color:#234f50;font:inherit;cursor:pointer;white-space:nowrap}.nav-product-home .chevron{display:inline-block;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s ease}.nav-product-home[aria-expanded="true"] .chevron{transform:rotate(225deg) translate(-1px,-1px)}.product-menu-home{position:absolute;inset:72px 0 auto;z-index:25;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:0 16px 34px rgba(0,80,80,.12);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}.product-menu-home.open{opacity:1;visibility:visible;transform:translateY(0)}.product-menu-home-inner{width:min(1080px,calc(100% - 48px));margin:0 auto;padding:28px 0 30px;display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:42px}.product-menu-home h2{margin:0 0 9px;color:var(--teal-900);font-size:26px;line-height:1.25}.product-menu-home h3{margin:1px 0 10px;color:var(--teal-900);font-size:16px}.product-menu-home p{margin:0;max-width:245px;color:var(--muted);font-size:13px}.product-menu-home a{display:block;width:fit-content;margin:7px 0;color:#2b6869;font-size:14px}.product-menu-home a:hover{color:var(--teal-800)}
@media(prefers-color-scheme:dark){.nav-product-home{color:#d7efed}.product-menu-home{background:rgba(9,40,43,.98)}.product-menu-home a{color:#b8d7d4}}
@media(max-width:767px){.knowledge-search{display:none}.header-actions{margin-left:auto}.nav-product-home{width:100%;padding:12px 4px;border-bottom:1px solid var(--line)}.product-menu-home{position:static;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none}.product-menu-home.open{display:block}.product-menu-home-inner{width:calc(100% - 32px);display:block;padding:18px 0 20px}.product-menu-home h2{font-size:22px}.product-menu-home-inner>div{margin-top:16px}}

.article-body{max-width:820px;margin-inline:auto}
.article-layout--single{display:block;max-width:920px}
.story-gallery{gap:20px;margin-bottom:48px}
.story-image{border-radius:10px;box-shadow:0 12px 32px rgba(0,88,90,.08)}
.source-copy{max-width:760px;margin-inline:auto;padding-top:0}
.source-copy h2,.article-section h2{margin:30px 0 12px;padding:0 0 0 14px;border:0;border-left:3px solid var(--yellow);font-size:clamp(20px,2.1vw,23px);line-height:1.42;letter-spacing:0}
.source-copy h2:first-child,.article-section:first-child h2{margin-top:0}
.source-copy p,.article-section p{width:100%;max-width:none;margin:10px 0;color:var(--reading,#456768);font-size:16px;line-height:1.85;word-break:normal;overflow-wrap:break-word;line-break:strict}
.source-copy .article-point{margin:8px 0;padding:9px 13px;border-radius:8px;background:var(--teal-050);color:var(--teal-800);font-weight:600}
.article-section{padding:28px 0;border-top:0;border-bottom:1px solid var(--line)}
.article-section:last-of-type{border-bottom:0}
@media(max-width:767px){.article-body{max-width:none}.story-gallery{gap:14px;margin-bottom:38px}.source-copy h2,.article-section h2{margin-top:26px;padding-left:11px;font-size:19px}.source-copy p,.article-section p{font-size:15.5px;line-height:1.8}.source-copy .article-point{padding:8px 11px}.article-section{padding:23px 0}}

.site-header{position:sticky;top:0;z-index:20;height:72px;display:flex;align-items:center;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,105,105,.08)}
.site-header .nav-wrap{width:min(1200px,calc(100% - 48px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:32px}
.site-header .brand{display:inline-flex;flex:0 0 auto;align-items:center;padding:0;color:#007f80;text-decoration:none}
.site-header .brand img{display:block;width:99px;height:auto}
.site-header .main-nav{display:flex;align-items:center;gap:30px;color:#234f50;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;font-weight:400;line-height:1.5;white-space:nowrap}
.site-header .main-nav a,.site-header .nav-product-home{position:relative;display:inline-flex;align-items:center;gap:7px;margin:0;padding:24px 0 22px;border:0;border-radius:0;background:transparent;color:#234f50;font:inherit;text-decoration:none;cursor:pointer}
.site-header .main-nav a::after,.site-header .nav-product-home::after{position:absolute;left:0;right:100%;bottom:15px;height:2px;background:#0b9a97;content:"";transition:right .25s ease}
.site-header .main-nav a:hover::after,.site-header .main-nav a.active::after,.site-header .nav-product-home:hover::after,.site-header .nav-product-home.active::after,.site-header .nav-product-home[aria-expanded="true"]::after{right:0}
.site-header .nav-product-home .chevron{display:inline-block;flex:0 0 7px;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s ease}
.site-header .nav-product-home[aria-expanded="true"] .chevron{transform:rotate(225deg) translate(-1px,-1px)}
.site-header .header-actions{display:flex;flex:0 0 auto;align-items:center}
.site-header .menu-toggle{display:none;width:38px;height:38px;padding:0;border:0;border-radius:50%;background:transparent;color:#005c61;place-items:center;cursor:pointer}
.site-header .menu-toggle:hover{background:#e7f7f4}
.site-header .menu-toggle svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.site-header .product-menu-home{position:absolute;inset:72px 0 auto;z-index:25;background:rgba(255,255,255,.98);border-bottom:1px solid #d7ecea;box-shadow:0 16px 34px rgba(0,80,80,.12);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
.site-header .product-menu-home.open{opacity:1;visibility:visible;transform:translateY(0)}
.site-header .product-menu-home-inner{width:min(1200px,calc(100% - 48px));margin:0 auto;padding:28px 0 30px;display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:42px;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif}
.site-header .product-menu-home h2{margin:0 0 9px;color:#005c61;font-size:26px;line-height:1.25}
.site-header .product-menu-home h3{margin:1px 0 10px;color:#005c61;font-size:16px}
.site-header .product-menu-home p{max-width:245px;margin:0;color:#5f7778;font-size:13px;line-height:1.7}
.site-header .product-menu-home a{display:block;width:fit-content;margin:7px 0;color:#2b6869;font-size:14px;text-decoration:none}
.site-header .product-menu-home a:hover{color:#007f80}
@media(max-width:1024px){.site-header .nav-wrap{width:min(920px,calc(100% - 36px))}.site-header .main-nav{gap:18px;font-size:14px}}
@media(max-width:767px){.site-header{height:64px}.site-header .nav-wrap{width:calc(100% - 32px);gap:10px}.site-header .brand img{width:99px}.site-header .main-nav{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;background:#fff;border-bottom:1px solid #d7ecea;box-shadow:0 12px 25px rgba(0,80,80,.1)}.site-header .main-nav.open{display:flex}.site-header .main-nav a,.site-header .nav-product-home{width:100%;padding:13px 4px;border-bottom:1px solid #edf5f4;text-align:left}.site-header .main-nav a::after,.site-header .nav-product-home::after{bottom:0}.site-header .menu-toggle{display:grid}.site-header .product-menu-home{position:static;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none}.site-header .product-menu-home.open{display:block}.site-header .product-menu-home-inner{width:calc(100% - 32px);display:block;padding:18px 0 20px}.site-header .product-menu-home h2{font-size:22px}.site-header .product-menu-home-inner>div{margin-top:16px}}

.article-layout { display: block; }
    .article-body { max-width: 820px; margin-inline: auto; }