/* Xin Xin Cottage — warm editorial notebook, layered over Astra, no external fonts. */
body.xx-learning{--xx-ink:#202c28;--xx-green:#265b48;--xx-muted:#68736b;--xx-paper:#f5f5ef;--xx-line:#dedfd5;--xx-orange:#b16b3b;background:var(--xx-paper);color:var(--xx-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","Hiragino Kaku Gothic ProN",sans-serif;-webkit-font-smoothing:antialiased}
.xx-learning .site-header{background:#fffef9;border-bottom:1px solid var(--xx-line)}
.xx-learning .ast-primary-header-bar{border:0;background:transparent}
.xx-learning .site-header .ast-container{max-width:1240px}
.xx-learning .site-title a{display:inline-flex;align-items:center;gap:12px;font-size:23px;font-weight:750;letter-spacing:1px;color:var(--xx-ink);white-space:nowrap}
.xx-learning .site-title a:before{content:"鑫";display:grid;place-items:center;background:var(--xx-green);color:#fffbed;border-radius:12px;width:42px;height:42px;font-size:24px;letter-spacing:0;flex:none}
.xx-learning .main-header-menu>.menu-item>.menu-link{color:#4b5750;font-size:14px;font-weight:500;padding:0 14px}
.xx-learning .main-header-menu>.current-menu-item>.menu-link,.xx-learning .main-header-menu .menu-link:hover{color:var(--xx-green)}
.xx-learning .main-header-menu .sub-menu{border-color:var(--xx-line);border-radius:0 0 12px 12px;background:#fffef9;box-shadow:0 12px 25px #23392d0d}
.xx-learning .ast-mobile-popup-drawer .ast-mobile-popup-inner{background:#fffef9}
.xx-learning .site-footer{border-top:1px solid var(--xx-line);background:#ebece3}
.xx-learning .site-below-footer-wrap[data-section="section-below-footer-builder"]{background:#ebece3;min-height:90px;color:#657066;font-size:13px}
.xx-learning a:focus-visible,.xx-learning button:focus-visible,.xx-learning input:focus-visible{outline:3px solid #bd8143;outline-offset:5px}
.xx-learning.home .site-content>.ast-container{max-width:1220px;display:block;padding:0 30px}
.xx-learning.home #primary{width:100%;margin:0;padding:0;border:0}
.xx-learning.home .ast-article-single{padding:0;background:none;border:0}
.xx-learning.home .entry-header{display:none}
.xx-learning.home .entry-content{margin:0;max-width:none}
.xx-learning.home .entry-content>.xx-journal{max-width:none;margin:0}
.xx-journal *{box-sizing:border-box}
.xx-journal a{text-decoration:none}
body.xx-learning .entry-content .xx-journal a{text-decoration:none}
.xx-journal h1,.xx-journal h2,.xx-journal h3,.xx-journal p,.xx-journal figure{margin:0}
.xx-journal h1,.xx-journal h2,.xx-journal h3{color:var(--xx-ink);font-family:inherit;font-weight:700;letter-spacing:-.025em}
.xx-journal svg{width:24px;height:24px;flex:none;vertical-align:middle}
.xx-hero{display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:46px;padding:65px 0 57px}
.xx-eyebrow{font-size:11px;font-weight:650;letter-spacing:.13em;display:flex;align-items:center;gap:9px;color:var(--xx-green)}
.xx-status-dot{width:7px;height:7px;border-radius:50%;background:#be8c54;box-shadow:0 0 0 4px #be8c5414;flex:none}
.xx-journal .xx-hero h1{font-size:clamp(36px,4vw,53px);line-height:1.35;letter-spacing:-.045em;margin:23px 0 20px}
.xx-hero-intro{color:var(--xx-muted);font-size:15px;line-height:1.95}
.xx-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px;margin-top:28px}
.xx-journal .xx-button{display:inline-flex;align-items:center;gap:21px;padding:14px 20px;background:var(--xx-green);border:1px solid var(--xx-green);color:#fffdf6;border-radius:8px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}
.xx-journal .xx-button svg{width:17px;height:17px}
.xx-journal .xx-button:hover{background:#183e31;transform:translateY(-2px)}
.xx-journal .xx-text-link{display:inline-flex;gap:10px;align-items:center;color:var(--xx-green);font-size:13px;font-weight:650}
.xx-journal .xx-text-link:hover{color:#132d23;text-decoration:underline;text-underline-offset:4px}
.xx-handnote{display:flex;align-items:center;gap:9px;color:#7a8278;font-size:11px;margin-top:29px!important}
.xx-handnote svg{width:15px;height:15px}
.xx-hero-picture{position:relative;align-self:stretch;min-height:355px;isolation:isolate}
.xx-hero-picture:before{content:"";position:absolute;inset:14px -13px -12px 16px;border-radius:19px;border:1px solid #d4d8c8;transform:rotate(2deg);z-index:-1}
.xx-hero-picture>img{display:block;width:100%;height:100%;min-height:355px;max-height:430px;object-fit:cover;border-radius:17px}
.xx-hero-picture figcaption{position:absolute;bottom:0;left:0;right:0;padding:65px 24px 20px;background:linear-gradient(transparent,#18251fd9);border-radius:0 0 17px 17px;color:#fff9eb;font-size:13px;line-height:1.7}
.xx-hero-picture figcaption small{display:block;font-size:9px;opacity:.7;letter-spacing:.04em}
.xx-photo-tag{position:absolute;top:18px;left:18px;border:1px solid #fff5;border-radius:4px;color:#fff9ed;font-size:9px;letter-spacing:.13em;padding:4px 8px;background:#1f332f42;backdrop-filter:blur(4px)}
.xx-explore{border-top:1px solid var(--xx-line);padding:30px 0 46px}
.xx-section-mini{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.xx-section-mini>span{font-size:9px;color:#899181;letter-spacing:.15em;font-weight:600}
.xx-journal .xx-section-mini h2{font-size:15px;font-weight:600}
.xx-topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.xx-journal .xx-topic{display:flex;align-items:center;gap:14px;padding:22px 19px;border:1px solid #dfdfd3;background:#fffdf6;border-radius:12px;color:var(--xx-ink);transition:border-color .2s,transform .2s}
.xx-journal .xx-topic:hover{border-color:#718977;transform:translateY(-3px)}
.xx-topic-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:11px;background:#e5ecdf;color:#3b684a;flex:none}
.xx-topic-1 .xx-topic-icon{background:#e1e9ed;color:#4b697a}
.xx-topic-2 .xx-topic-icon{background:#f3e8d6;color:#a07335}
.xx-topic strong{display:block;font-size:14px;font-weight:650;line-height:1.4}
.xx-topic small{display:block;color:#7d8479;font-size:11px;margin-top:6px;line-height:1.5}
.xx-topic-arrow{margin-left:auto;font-size:18px;color:#86947e}
.xx-section-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:25px}
.xx-kicker{font-size:9px;letter-spacing:.15em;color:#929888;font-weight:600;margin-bottom:9px!important}
.xx-journal .xx-section-heading h2{font-size:28px;line-height:1.4;margin-bottom:7px}
.xx-section-heading p:not(.xx-kicker){font-size:12px;color:#7a8278}
.xx-notes{padding:6px 0 48px;scroll-margin-top:35px}
.xx-notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.xx-note-card{display:flex;flex-direction:column;min-width:0;border:1px solid #e0e2d8;background:#fffef9;border-radius:13px;overflow:hidden;box-shadow:0 3px 10px #263c2f03;transition:transform .2s,box-shadow .2s}
.xx-note-card:hover{transform:translateY(-4px);box-shadow:0 9px 25px #263c2f0d}
.xx-card-cover{display:block;overflow:hidden;background:#e8ecdf;aspect-ratio:1.78}
.xx-card-image{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.xx-note-card:hover .xx-card-image{transform:scale(1.035)}
.xx-card-content{display:flex;flex:1;flex-direction:column;padding:21px 22px 16px}
.xx-card-meta{display:flex;align-items:center;justify-content:space-between;gap:9px;font-size:10px;color:#949b90;line-height:1.4}
.xx-card-meta>span{color:#54805a;background:#edf2e7;padding:4px 7px;border-radius:4px;max-width:65%;overflow-wrap:anywhere}
.xx-journal .xx-note-card h3{font-size:18px;line-height:1.6;margin:12px 0 10px;letter-spacing:-.02em}
.xx-journal .xx-note-card h3 a{color:var(--xx-ink)}
.xx-journal .xx-note-card h3 a:hover{color:var(--xx-green)}
.xx-note-card .xx-card-content>p{color:#788174;font-size:12px;line-height:1.9;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:20px}
.xx-card-bottom{margin-top:auto;border-top:1px solid #eeeee4;padding-top:12px;display:flex;align-items:center;justify-content:space-between;color:#a1a698;font-size:10px}
.xx-card-bottom>a{display:grid;place-items:center;width:29px;height:29px;background:#f0f3e8;border-radius:50%;color:#406449}
.xx-card-bottom svg{width:15px;height:15px}
.xx-typographic-cover{display:flex;height:100%;justify-content:center;align-items:center;gap:20px;background:#e0e8db;color:#3a644a;font-size:15px;letter-spacing:.2em}
.xx-typographic-cover svg{width:56px;height:56px}
.xx-collection{display:grid;grid-template-columns:1fr 1.2fr;gap:55px;background:#e7ecdf;border:1px solid #dce3d1;border-radius:16px;padding:35px 40px;margin:0 0 43px}
.xx-collection-icon{display:grid;width:43px;height:43px;place-items:center;background:#d5dfc9;color:#497243;border-radius:11px;margin-bottom:14px}
.xx-collection .xx-kicker{color:#839477}
.xx-journal .xx-collection h2{font-size:23px;line-height:1.6;max-width:340px}
.xx-journal .xx-collection ol{list-style:none;margin:0;padding:0;align-self:center}
.xx-collection li+li{border-top:1px solid #ccd7bf}
.xx-journal .xx-collection li>a{display:flex;align-items:center;gap:18px;padding:16px 0;color:#3d533b;font-size:13px}
.xx-collection li>a>svg{width:16px;height:16px;margin-left:auto}
.xx-step-number{font-size:12px;color:#95a78a;font-weight:600;letter-spacing:.1em}
.xx-search-section{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:4px 0 42px;border-bottom:1px solid var(--xx-line)}
.xx-journal .xx-search-section h2{font-size:18px;margin-bottom:5px}
.xx-search-section p{color:#8c9487;font-size:11px}
.xx-search-section form{display:flex;align-items:stretch;flex:0 1 520px;background:#fffef9;border:1px solid #d8ddd0;border-radius:8px;overflow:hidden}
.xx-journal .xx-search-section input[type="search"]{border:0;background:transparent;border-radius:0;margin:0;padding:14px 18px;min-width:0;flex:1;font-size:12px;color:#3f5144;box-shadow:none}
.xx-journal .xx-search-section button{background:var(--xx-green);border:0;border-radius:0;color:#fff;width:51px;padding:0;cursor:pointer}
.xx-search-section button svg{width:19px;height:19px}
.xx-closing{display:grid;grid-template-columns:.5fr 1fr;align-items:center;gap:55px;padding:58px 80px 43px}
.xx-closing-mark{display:grid;width:150px;height:150px;place-items:center;margin:auto;background:#e6e8da;border:1px solid #d9dfca;border-radius:45px;transform:rotate(-8deg)}
.xx-closing-mark svg{width:72px;height:72px;color:#83946e;transform:rotate(8deg)}
.xx-journal .xx-closing h2{font-size:28px;line-height:1.55;margin-bottom:17px}
.xx-closing p:not(.xx-kicker){font-size:12px;line-height:1.95;color:#7d8676;max-width:510px;margin-bottom:17px}
.xx-disclaimer{font-size:10px!important;line-height:1.9!important;color:#919889;text-align:center;margin:0 0 34px!important}
/* Existing article/page content: readable measure and calm typography. */
.xx-learning:not(.home) .site-content>.ast-container{max-width:1160px}
.xx-learning:not(.home) .ast-article-single{background:#fffef9;border:1px solid #e0e3d7;border-radius:14px;padding:42px 50px;margin:30px auto}
.xx-learning:not(.home) .entry-title{font-size:34px;line-height:1.5;letter-spacing:-.025em;font-weight:700;color:var(--xx-ink)}
.xx-learning:not(.home) .entry-content{font-size:16px;line-height:1.95;color:#425044}
.xx-learning:not(.home) .entry-content h2{font-size:25px;margin:1.8em 0 .8em;line-height:1.5}
.xx-learning:not(.home) .entry-content h3{font-size:21px;line-height:1.6}
.xx-learning:not(.home) .entry-content img{border-radius:8px}
.xx-learning:not(.home) .entry-content a{color:#2d7052;text-underline-offset:4px}
.xx-learning .entry-meta{font-size:12px;color:#8a9282}
.xx-learning .entry-content table{font-size:14px}
.xx-learning .entry-content pre{border-radius:9px;background:#eef1e6}
.xx-learning .entry-content blockquote{border-left-color:#6b8d60;background:#eff2e7;padding:20px 24px;border-radius:0 10px 10px 0}
.xx-learning .ast-archive-description{background:transparent;padding:20px 0 30px}
.xx-learning .ast-archive-description .page-title{font-size:32px;color:var(--xx-ink)}
.xx-learning .xx-archive-note{border-radius:12px;border:1px solid #e0e3d7;background:#fffef9;margin-bottom:25px;overflow:hidden;padding:30px}
.xx-learning .xx-archive-note .entry-title{font-size:25px}
.xx-learning .xx-archive-note .post-thumb img{border-radius:9px}
@media(min-width:1001px){.xx-learning:not(.home) #primary{width:100%;border:0;padding-right:0}.xx-learning:not(.home) #secondary{display:none}.xx-learning.single-post .ast-article-single,.xx-learning.page:not(.home) .ast-article-single{max-width:900px}}
@media(max-width:1100px){.xx-learning .main-header-menu>.menu-item>.menu-link{padding:0 9px}.xx-hero{gap:30px}.xx-hero-actions{gap:15px}.xx-topics{gap:12px}.xx-topic{padding:17px 13px!important;gap:10px!important}.xx-topic small{font-size:10px}.xx-closing{padding:50px 30px}.xx-card-content{padding:19px 17px}}
@media(max-width:800px){.xx-learning.home .site-content>.ast-container{padding:0 22px}.xx-hero{grid-template-columns:1fr;gap:35px;padding:39px 0 42px}.xx-journal .xx-hero h1{font-size:42px;margin:19px 0 17px}.xx-hero-intro{font-size:14px}.xx-handnote{margin-top:22px!important}.xx-hero-picture{min-height:300px}.xx-hero-picture>img{min-height:300px;max-height:360px;aspect-ratio:1.7;object-position:center 58%}.xx-topics{grid-template-columns:1fr}.xx-topic{padding:16px 20px!important}.xx-topic small{font-size:11px}.xx-notes-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.xx-explore{padding-bottom:34px}.xx-collection{gap:25px;padding:28px;grid-template-columns:1fr}.xx-collection-icon{float:left;margin:0 14px 10px 0}.xx-journal .xx-collection h2{font-size:22px;max-width:none}.xx-collection .xx-kicker{padding-top:2px}.xx-closing{gap:26px;padding:37px 0;grid-template-columns:100px 1fr}.xx-closing-mark{width:94px;height:94px;border-radius:27px}.xx-closing-mark svg{width:50px;height:50px}.xx-journal .xx-closing h2{font-size:25px}.xx-search-section{align-items:stretch;flex-direction:column;gap:18px}.xx-search-section form{flex-basis:auto}.xx-section-heading{align-items:flex-end}.xx-journal .xx-section-heading h2{font-size:26px}.xx-learning:not(.home) .ast-article-single{padding:30px;margin:22px auto}.xx-learning:not(.home) .entry-title{font-size:29px}}
@media(max-width:520px){.xx-learning .site-title a{font-size:20px;gap:10px}.xx-learning .site-title a:before{width:35px;height:35px;font-size:21px;border-radius:10px}.xx-learning.home .site-content>.ast-container{padding:0 19px}.xx-journal .xx-hero h1{font-size:37px;line-height:1.4}.xx-hero-actions{gap:20px}.xx-journal .xx-button{padding:12px 16px;font-size:12px;gap:14px}.xx-journal .xx-text-link{font-size:11px}.xx-eyebrow{font-size:10px}.xx-hero-picture,.xx-hero-picture>img{min-height:240px}.xx-hero-picture>img{max-height:275px}.xx-hero-picture:before{inset:9px -5px -8px 12px}.xx-hero-picture figcaption{padding:50px 17px 16px}.xx-photo-tag{left:14px;top:14px;font-size:8px}.xx-section-mini{display:block}.xx-section-mini>span{display:block;margin-bottom:7px}.xx-journal .xx-section-mini h2{font-size:16px}.xx-notes-grid{grid-template-columns:1fr;gap:24px}.xx-card-content{padding:20px 22px 17px}.xx-journal .xx-note-card h3{font-size:20px}.xx-note-card .xx-card-content>p{font-size:13px;-webkit-line-clamp:2}.xx-card-meta{font-size:11px}.xx-section-heading{gap:12px}.xx-section-heading .xx-text-link{white-space:nowrap}.xx-journal .xx-section-heading h2{font-size:25px}.xx-section-heading p:not(.xx-kicker){font-size:11px}.xx-collection{padding:25px 22px}.xx-journal .xx-collection h2{font-size:20px}.xx-collection li>a{font-size:12px;gap:13px}.xx-closing{grid-template-columns:1fr;gap:15px;text-align:left;padding:36px 0}.xx-closing-mark{display:none}.xx-journal .xx-closing h2{font-size:26px}.xx-disclaimer{text-align:left}.xx-learning:not(.home) .ast-article-single{padding:24px 20px}.xx-learning:not(.home) .entry-title{font-size:25px}.xx-learning:not(.home) .entry-content{font-size:15px}.xx-learning .xx-archive-note{padding:22px}.xx-learning .xx-archive-note .entry-title{font-size:23px}}
@media(prefers-reduced-motion:reduce){.xx-journal *{transition:none!important;scroll-behavior:auto!important}.xx-note-card:hover,.xx-journal .xx-button:hover,.xx-journal .xx-topic:hover,.xx-note-card:hover .xx-card-image{transform:none}}
