:root{--bg:#FFF7F8;--paper:#fff;--soft:#F8E6EA;--ink:#3A1F28;--text:#4A2A32;--muted:#7A4E58;--light:#A07880;--pink:#E88AA4;--pink2:#F2A0B6;--green:#7BAE7F;--lav:#C9A8D4;--brown:#6B3E3E;--line:rgba(232,138,164,.2);--shadow:0 14px 34px rgba(58,31,40,.08);--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;width:auto;max-width:100%;height:auto;object-fit:contain;object-position:center}.site-shell{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.site-header{position:fixed;z-index:50;inset:0 0 auto;background:rgba(255,247,248,.97);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}.brand-strip{height:20px;background:var(--pink);color:#fff;font-size:12px;line-height:20px}.strip-inner{display:flex;align-items:center;justify-content:space-between;height:20px}.strip-search{border:0;background:transparent;color:#fff;padding:0 4px;min-height:20px}.mainbar{height:60px;background:#fff9fa;border-bottom:1px solid var(--line)}.mainbar-inner{height:60px;display:flex;align-items:center;gap:22px}.brand-link{display:flex;align-items:center;min-height:44px;flex:0 0 auto}.brand-logo{height:32px;width:auto;max-width:190px}.brand-text{font-weight:800;color:var(--ink);font-size:20px}.brand-note{margin:0;color:var(--muted);font-size:14px;flex:1}.main-tools{display:flex;align-items:center;gap:8px;margin-left:auto}.tool-btn,.tool-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--brown);font-weight:700}.tool-link.is-current{border-color:var(--pink);box-shadow:inset 0 -2px 0 var(--pink)}.desktop-nav{height:42px;background:#fff;border-bottom:1px solid var(--line)}.desktop-nav-inner{height:42px;display:flex;align-items:center;gap:26px}.nav-link{position:relative;display:flex;align-items:center;height:42px;color:var(--muted);font-size:14px}.nav-link:hover,.nav-link:focus-visible,.nav-link.is-current{color:var(--brown)}.nav-link.is-current:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--pink)}.site-main{padding-top:122px;min-height:70vh}.hero,.page-hero{width:min(var(--max),calc(100% - 32px));margin:0 auto}.hero-media{display:flex;justify-content:center;padding-top:26px}.hero-media img{max-height:300px}.hero-copy{padding:28px 0 18px;max-width:860px}.eyebrow{margin:0 0 6px;color:var(--pink);font-weight:700;letter-spacing:.08em;font-size:13px}.hero h1,.page-hero h1{margin:0;color:var(--ink);font-size:clamp(28px,3vw,32px);line-height:1.32}.hero-copy p,.page-hero p{color:var(--muted);margin:14px 0 0}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#F2A0B6 0%,#E88AA4 52%,#D46B88 100%);color:#fff}.btn-secondary{background:#fff;border:1px solid var(--pink);color:var(--brown)}.section{width:min(var(--max),calc(100% - 32px));margin:38px auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section h2,.article-page h2,.page-hero h2{color:var(--ink);font-size:clamp(22px,2.4vw,26px);line-height:1.42;margin:0 0 12px}.section h3,.article-page h3{color:var(--brown);font-size:18px;margin:0 0 8px}.section p{margin:0 0 12px}.section-lead{color:var(--muted);max-width:760px}.rule-paths{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}.rule-paths article{padding:24px 26px}.rule-paths article+article{border-left:1px solid var(--line)}.rule-paths a{color:var(--pink);font-weight:700}.split{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:30px;align-items:center}.split.reverse{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}.media-box{display:flex;justify-content:center;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}.media-box img{max-height:220px}.brief-list{display:grid;gap:14px}.brief-list article{padding-bottom:14px;border-bottom:1px solid var(--line)}.brief-list article:last-child{border-bottom:0}.tri-fold{display:grid;grid-template-columns:1.15fr .92fr .92fr;gap:18px}.fold{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.fold img{max-height:180px;margin:0 auto 15px}.fold a{color:var(--pink);font-weight:700}.route{position:relative;margin-left:12px;padding-left:30px}.route:before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:1px;background:var(--pink)}.route article{position:relative;padding:0 0 22px}.route article:before{content:"";position:absolute;left:-30px;top:9px;width:13px;height:13px;border:3px solid var(--bg);border-radius:50%;background:var(--pink);box-shadow:0 0 0 1px var(--pink)}.wide-media{display:flex;justify-content:center;margin-bottom:20px}.wide-media img{max-height:220px}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 22px}.theme-grid article{padding-top:14px;border-top:1px solid var(--line)}.catalog{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px;align-items:start}.catalog-list{counter-reset:item}.catalog-row{counter-increment:item;display:grid;grid-template-columns:46px 150px 1fr auto;gap:14px;align-items:start;padding:18px 0;border-top:1px solid var(--line)}.catalog-row:before{content:"0" counter(item);font-weight:800;color:var(--pink)}.catalog-row a{color:var(--brown);font-weight:700;white-space:nowrap}.catalog-side{display:flex;justify-content:center;align-items:flex-start}.catalog-side img{max-height:220px}.notes{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.note{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;min-height:180px}.note .num{color:var(--pink);font-weight:800}.feature-essay{max-width:760px;margin-inline:auto;text-align:left}.feature-essay .viewpoint{display:inline-block;margin-bottom:10px;padding:3px 8px;border:1px solid var(--line);border-radius:6px;color:var(--brown);font-size:12px;background:#fff}.status-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.status{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.status strong{display:inline-block;color:var(--brown);border-bottom:2px solid var(--pink);margin-bottom:6px}.app-block{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:center}.app-visual{display:flex;justify-content:center;align-items:center}.app-visual img{max-height:320px;max-width:280px}.app-icon{width:64px;max-height:72px;margin-bottom:12px}.notice{background:#fff;border-left:3px solid var(--green);padding:22px 24px;border-radius:0 12px 12px 0}.faq-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-mini details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}.faq-mini summary{font-weight:700;color:var(--ink);cursor:pointer}.page-hero{padding:34px 0 20px}.article-page{width:min(980px,calc(100% - 32px));margin:0 auto 46px}.article-page.wide{width:min(var(--max),calc(100% - 32px))}.article-page>section,.article-page>article{margin:28px 0}.article-page p{margin:0 0 14px}.lead-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;box-shadow:var(--shadow)}.editor-layout{display:grid;grid-template-columns:280px 1fr;gap:28px}.editor-note{position:sticky;top:150px;align-self:start;background:var(--soft);border-radius:14px;padding:22px}.info-stack{display:grid;gap:16px}.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.banner-row{padding:22px 0;border-top:1px solid var(--line)}.banner-row h2{margin-bottom:8px}.alternating{display:grid;gap:18px}.alt-row{display:grid;grid-template-columns:1fr 1.3fr;gap:26px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}.alt-row:nth-child(even){grid-template-columns:1.3fr 1fr}.alt-row:nth-child(even) .alt-key{order:2}.steps{display:grid;gap:14px}.step-row{display:grid;grid-template-columns:60px 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line)}.step-row .step-num{font-size:22px;color:var(--pink);font-weight:800}.qa-list{display:grid;gap:14px}.qa-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.qa-item h2{font-size:20px}.longread{max-width:760px}.longread section{margin:30px 0}.view-label{display:inline-block;margin-bottom:8px;color:var(--pink);font-weight:700}.grade-table{width:100%;border-collapse:collapse;background:#fff}.grade-table th,.grade-table td{padding:14px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}.task-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.task-nav a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;font-weight:700;color:var(--brown)}.letter{max-width:780px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:var(--shadow)}.site-footer{background:#3A1F28;color:#F8E6EA;padding:40px 0 88px}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}.footer-logo-wrap{background:#fff;border-radius:10px;padding:8px;display:inline-flex}.footer-logo-wrap img{height:32px;width:auto}.footer-brand strong,.footer-brand span{display:block}.footer-brand strong{font-size:20px}.footer-brand span{color:#e8cfd5;font-size:12px;letter-spacing:.12em}.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.footer-columns section h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-columns a{display:block;color:#F8E6EA;font-size:14px;padding:4px 0}.footer-note,.copyright{color:#d9bfc6;font-size:13px}.footer-note{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}.overlay{position:fixed;z-index:70;inset:0;background:rgba(58,31,40,.35)}.site-drawer{position:fixed;z-index:80;top:0;left:0;width:min(360px,88vw);height:100dvh;background:#fffafc;box-shadow:12px 0 36px rgba(58,31,40,.18);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:.22s ease;overflow-y:auto}.site-drawer.is-open{transform:none;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#fff;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:28px;max-width:150px}.close-btn{min-height:44px;padding:0 14px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brown)}.drawer-groups{padding:12px 16px 26px}.drawer-groups section{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-groups h2{font-size:15px;color:var(--pink);margin:0 0 8px}.drawer-groups a{display:block;padding:9px 0}.drawer-groups strong,.drawer-groups span{display:block}.drawer-groups span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;z-index:85;left:50%;top:132px;transform:translateX(-50%) translateY(-8px);width:min(720px,calc(100% - 32px));visibility:hidden;pointer-events:none;opacity:0;transition:.18s ease}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateX(-50%) translateY(0)}.search-card{position:relative;background:#fffafc;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.search-card h2{margin:0;color:var(--ink)}.search-card>p{color:var(--muted)}.search-close{position:absolute;right:16px;top:16px}.search-label{display:block;font-weight:700;color:var(--brown);margin:18px 0 8px}.search-input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;padding:0 12px;color:var(--text);background:#fff}.quick-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}.quick-links a{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--brown);font-weight:700}.quick-links span{display:block;color:var(--muted);font-size:12px;font-weight:400}.search-empty{padding:12px;background:var(--soft);border-radius:10px}.mobile-bottom{display:none}.tool-btn:hover,.tool-link:hover,.btn-secondary:hover,.drawer-groups a:hover,.footer-columns a:hover,.task-nav a:hover{border-color:var(--pink);color:var(--pink)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(232,138,164,.38);outline-offset:2px}.no-scroll{overflow:hidden}
@media(max-width:900px){.tri-fold{grid-template-columns:1fr}.theme-grid{grid-template-columns:repeat(2,1fr)}.notes{grid-template-columns:repeat(2,1fr)}.status-row{grid-template-columns:repeat(2,1fr)}.catalog{grid-template-columns:1fr}.catalog-side{justify-content:flex-start}.editor-layout{grid-template-columns:1fr}.editor-note{position:static}.task-nav{grid-template-columns:repeat(2,1fr)}.footer-columns{grid-template-columns:repeat(2,1fr)}.app-block{grid-template-columns:1fr 260px}.catalog-row{grid-template-columns:42px 140px 1fr}.catalog-row a{grid-column:3}.split,.split.reverse{grid-template-columns:1fr}}
@media(max-width:700px){.site-main{padding-top:80px;padding-bottom:64px}.desktop-nav{display:none}.brand-note{display:none}.mainbar-inner{gap:10px}.main-tools{gap:6px}.tool-btn,.tool-link{padding:0 12px}.brand-logo{height:30px;max-width:150px}.hero-media{padding-top:18px}.hero-copy{padding-top:20px}.rule-paths{grid-template-columns:1fr}.rule-paths article+article{border-left:0;border-top:1px solid var(--line)}.split,.split.reverse{grid-template-columns:1fr}.tri-fold{grid-template-columns:1fr}.theme-grid{grid-template-columns:1fr}.catalog{grid-template-columns:1fr}.catalog-row{grid-template-columns:38px 1fr;gap:10px}.catalog-row>*{grid-column:2}.catalog-row:before{grid-column:1;grid-row:1/5}.notes{grid-template-columns:1fr}.note{min-height:0}.status-row{grid-template-columns:1fr}.app-block{grid-template-columns:1fr}.app-visual{order:2}.app-visual img{max-height:260px;max-width:240px}.faq-mini{grid-template-columns:1fr}.editor-layout{grid-template-columns:1fr}.alt-row,.alt-row:nth-child(even){grid-template-columns:1fr}.alt-row:nth-child(even) .alt-key{order:0}.task-nav{grid-template-columns:1fr}.footer-columns{grid-template-columns:1fr 1fr}.search-panel{top:0;left:0;transform:none;width:100%;height:100dvh;background:#fffafc}.search-panel.is-open{transform:none}.search-card{height:100%;border-radius:0;border:0;padding:72px 18px 24px;overflow-y:auto}.quick-links{grid-template-columns:1fr}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--line)}.mobile-bottom a{position:relative;min-height:50px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--muted)}.mobile-bottom a span{font-size:15px;line-height:1}.mobile-bottom a.is-current{color:var(--ink)}.mobile-bottom a.is-current:before{content:"";position:absolute;top:0;left:26%;right:26%;height:2px;background:var(--pink)}.site-footer{padding-bottom:90px}.grade-table{display:block;overflow-x:auto}.page-hero{padding-top:26px}}
@media(max-width:430px){.site-shell,.section,.hero,.page-hero,.article-page,.article-page.wide{width:calc(100% - 32px)}.footer-columns{grid-template-columns:1fr}.brand-logo{max-width:128px}.tool-btn,.tool-link{padding:0 10px}.mainbar-inner{gap:6px}.section{margin-top:28px;margin-bottom:28px}.hero-copy p,.page-hero p{font-size:15px}.media-box{padding:10px}.media-box img,.wide-media img,.catalog-side img{max-height:180px}}