@charset "UTF-8";
:root{--bg:#fbf8f2;--paper:#fffdf8;--ink:#2b302f;--ink2:#424b49;--muted:#767d79;--wine:#9a3d35;--wine2:#7b302b;--gold:#c29461;--line:#e8e2d7;--mint:#edf3ed;--white:#fff;--radius:13px;--shadow:0 14px 45px rgba(31,38,34,.055)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #d9a266;outline-offset:3px}h1,h2,h3,p{margin-top:0}img{display:block;max-width:100%}.wrap{width:min(1190px,calc(100% - 72px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 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small{font-size:10px;color:#8b938a;letter-spacing:.5px}.hero-stats i{height:30px;width:1px;background:#d6dcd1}.hero-art{height:540px;position:relative;align-self:end;display:flex;justify-content:center;align-items:flex-end}.hero-art img{width:min(650px,125%);max-width:none;position:absolute;bottom:4px;right:-40px;filter:drop-shadow(0 20px 23px rgba(39,53,47,.11))}.art-seal{position:absolute;top:65px;right:10px;width:48px;height:128px;border:1px solid #b9876e;color:#9c5f50;padding:8px;display:grid;place-items:center;font-family:serif;font-weight:900;line-height:1.6;letter-spacing:4px;background:rgba(253,251,244,.5)}.art-caption{position:absolute;bottom:41px;right:0;font-family:serif;font-size:12px;letter-spacing:4px;color:#7a847a;display:flex;gap:20px}.art-caption span{color:#ad7d60}.hero-bottom-line{height:4px;background:linear-gradient(90deg,#986c5b 0%,#d7b48e 35%,#dce5d4 100%)}.section{padding-top:90px;padding-bottom:86px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:32px}.section-index{display:block;color:#b27a5d;font-size:10px;font-weight:800;letter-spacing:2px;margin-bottom:16px}.section-head h2,.category-hero h1{font-family:"Songti SC","STSong",serif;font-size:39px;line-height:1.2;letter-spacing:1px;margin:0 0 14px;color:#303b36}.section-head p{color:#7e837c;font-size:13px;line-height:1.8;margin:0}.header-dot{color:#b75b49}.view-all{font-size:12px;font-weight:800;color:#a44f40;white-space:nowrap;border-bottom:1px solid #dcbba9;padding:0 0 8px;margin-bottom:8px}.view-all:hover{color:#74382e}.atlas-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.atlas-item{min-height:272px;padding:24px 18px;border:1px solid #e8e1d4;background:var(--paper);border-radius:7px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}.atlas-item:hover{transform:translateY(-5px);border-color:#dcb9a6;box-shadow:var(--shadow)}.atlas-top{display:flex;justify-content:space-between;align-items:start;margin-bottom:29px}.atlas-n{font-family:serif;font-size:26px;font-weight:bold;color:#bca38d}.atlas-arrow{font-size:18px;color:#9c5444}.atlas-en{font-size:10px;color:#b7b3a7;letter-spacing:1.5px}.atlas-item h3{font-size:19px;color:#2e3f38;margin:8px 0 12px;font-weight:800}.atlas-item p{font-size:12px;color:#818780;line-height:1.9;margin:0 0 20px;flex:1}.atlas-count{font-size:10px;color:#aa7869;border-top:1px solid #eee8df;padding-top:13px}.surface-shift{background:#f1f2eb;border-block:1px solid #e4e7df}.stories-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.story-card{display:block;min-width:0;background:#fffdf9;border:1px solid #e8e4d8;border-radius:8px;overflow:hidden;transition:transform .18s,box-shadow .18s}.story-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.story-art{height:154px;position:relative;overflow:hidden;background:#d9dfd5;background-image:radial-gradient(ellipse at 80% 90%,#c7d3bb,transparent 48%),linear-gradient(130deg,#c8d6c8 0%,#e9dfc9 55%,#d6b8a0 100%)}.story-art:before{content:'';position:absolute;left:34%;bottom:-56px;width:170px;height:160px;border:22px double rgba(59,86,73,.15);transform:rotate(45deg);border-radius:20px}.story-art:after{content:'';position:absolute;right:22px;top:10px;width:64px;height:64px;background:radial-gradient(circle,rgba(255,253,235,.7),transparent 70%);border-radius:50%}.art-classes{background-image:linear-gradient(128deg,#e8d8c4,#d9b49e 60%,#9f7770)}.art-battle{background-image:linear-gradient(128deg,#c1cfc3,#8cafa2 60%,#b5b6a6)}.art-updates{background-image:linear-gradient(128deg,#e5dec9,#d9c8a6 60%,#c1b2a5)}.art-faq{background-image:linear-gradient(128deg,#e4d9d0,#b9c9c0 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solid #e0e1d7;background:#eef0e8;border-radius:8px;padding:25px 26px;transition:transform .2s;display:flex;flex-direction:column}.path-card:hover{transform:translateY(-4px)}.path-card.path-middle{background:#3e554a;border-color:#3e554a;color:#fff}.path-step{font-size:10px;letter-spacing:2px;color:#a37b5b;margin-bottom:26px;font-weight:800}.path-middle .path-step{color:#e9bf8f}.path-card h3{font-family:"Songti SC",serif;font-size:25px;margin:0 0 14px}.path-card p{font-size:13px;line-height:1.9;color:#798077;max-width:270px;flex:1}.path-middle p{color:#ccd5cc}.path-card>span{font-size:12px;font-weight:800;color:#9b4e3e}.path-middle>span{color:#ead1a8}.latest-section{padding-top:10px}.filter-bar{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 24px}.filter-btn{padding:10px 19px;border:1px solid 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#8c5746;padding:22px;background:#f3f1e9;align-self:start}.side-kicker{font-size:10px;color:#af765c;font-weight:800;letter-spacing:2px}.side-note h3{font-size:19px;margin:15px 0}.side-note p{font-size:12px;line-height:2.1;color:#7d817a}.side-note a{display:inline-block;font-size:11px;font-weight:800;color:#a3503c;margin-top:10px}.article-head{max-width:860px;padding:58px 0 40px}.article-category{font-size:11px;color:#9e6349;font-weight:800;letter-spacing:2px}.article-head h1{font-size:clamp(30px,3.6vw,47px);font-family:"Songti SC",serif;line-height:1.45;margin:19px 0}.article-deck{font-size:16px;line-height:1.95;color:#7d827d}.article-meta{display:flex;gap:11px;align-items:center;flex-wrap:wrap;color:#9b9e95;font-size:11px;padding-top:12px}.article-meta 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p{margin:0 0 25px}.article-prose h2{font-family:"Songti SC",serif;font-size:27px;line-height:1.5;color:#304239;scroll-margin-top:50px;border-bottom:1px solid #e7e2d9;padding-bottom:15px;margin:45px 0 22px}.article-prose h3{font-size:20px;margin:27px 0 14px}.article-prose ul{margin:8px 0 25px;padding-left:25px}.article-prose li{padding-left:3px;margin:7px 0}.article-prose li::marker{color:#aa624b}.article-prose blockquote{margin:24px 0 32px;padding:16px 24px;border-left:3px solid #a75e48;background:#f2f1e9;color:#657264;font-size:14px}.article-alert{background:#edf1e8;border:1px solid #d8e0d2;border-radius:6px;padding:17px 20px;margin-bottom:32px;color:#65766a;font-size:12px;line-height:1.9}.article-alert strong{display:block;color:#456052;font-size:13px;margin-bottom:5px}.toc{position:relative}.toc-box{position:sticky;top:27px;padding:25px 22px;border:1px solid #e7e0d6;border-radius:8px;background:#fffdf9;display:flex;flex-direction:column;gap:14px}.toc-box>span{font-size:10px;letter-spacing:1.8px;color:#b37b5e}.toc-box h3{font-size:17px;margin:0 0 7px;color:#435047}.toc-box a{font-size:12px;color:#717870;line-height:1.5;display:flex;gap:12px}.toc-box a span{font-family:serif;color:#ad8063}.toc-box a:hover{color:#9b4e3d}.toc-box hr{width:100%;border:0;border-top:1px solid #eee4db;margin:9px 0}.article-end{margin-top:45px;background:#f2f0e8;padding:25px 28px;border-radius:8px;text-align:center}.article-end span{display:block;font-size:25px;color:#b77d59}.article-end strong{display:block;font-size:17px;margin:10px 0}.article-end p{font-size:13px;margin:0;color:#858983}.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:23px}.tag-list span{font-size:11px;color:#9b7b6a;background:#f6eee6;border:1px solid #e7d9ca;padding:5px 10px;border-radius:4px}.related{padding-bottom:95px}.related .stories-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.search-hero{padding-bottom:40px}.search-hero form{max-width:750px;display:flex;background:#fff;border:1px solid #dfd8cb;padding:7px;border-radius:9px;box-shadow:var(--shadow);margin-top:30px}.search-hero input{border:none;outline:none;padding:10px 16px;flex:1;min-width:0;color:#34453b;font-size:15px}.search-hero form button{background:#3e584c;border:none;border-radius:5px;padding:13px 24px;color:#fff;font-size:13px;font-weight:800}.search-count{font-size:12px!important;color:#98785c!important;margin-top:17px}.search-list{padding-bottom:110px}.search-list .compact-grid{min-height:150px}.about-body{margin-top:22px;margin-bottom:30px}.error-wrap{text-align:center;min-height:55vh;padding:130px 0}.error-wrap h1{font-family:serif;font-size:45px}.error-wrap p{color:#858981;margin-bottom:25px}.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:#af6548;z-index:99;pointer-events:none}
@media(max-width:1120px){.desktop-nav{gap:17px}.desktop-nav a{font-size:12px}.search-trigger kbd{display:none}.atlas-grid{grid-template-columns:repeat(3,1fr)}.hero-art img{right:-50px}.editorial-note{grid-template-columns:140px 1fr 1.5fr}.editorial-note a{grid-column:2/4}.stories-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.wrap{width:min(100% - 36px,680px)}.utility-in{min-height:26px}.utility-in span:last-child{display:none}.header-in{min-height:70px}.desktop-nav{display:none}.search-trigger{padding:9px 11px}.menu-btn{display:block}.mobile-nav.open{display:grid;grid-template-columns:repeat(2,1fr);gap:0;padding:8px 18px 16px;background:#fffcf6;border-top:1px solid #e9e0d6}.mobile-nav a{padding:14px;border-bottom:1px solid #efe5da;color:#425347;font-size:13px}.hero-inner{grid-template-columns:1fr;min-height:0}.hero-copy{padding:55px 0 0}.hero h1{font-size:47px}.hero-desc{max-width:620px}.hero-art{height:290px}.hero-art img{width:460px;right:0;bottom:-48px}.art-seal{top:12px;right:7px}.art-caption{bottom:12px;font-size:9px}.hero-stats{margin-top:26px}.section{padding:60px 0}.section-head h2{font-size:32px}.atlas-grid{grid-template-columns:repeat(2,1fr)}.atlas-item{min-height:230px}.stories-grid{grid-template-columns:repeat(2,1fr)}.path-grid{grid-template-columns:1fr}.path-card{min-height:200px}.compact-grid{grid-template-columns:1fr}.editorial-note{padding:28px;grid-template-columns:1fr;gap:15px;margin-bottom:60px}.editorial-note a{grid-column:1}.footer-top{gap:35px;grid-template-columns:2fr 1fr 1fr}.category-layout{grid-template-columns:1fr}.side-note{display:none}.category-hero{padding:40px 0}.category-hero h1{font-size:39px}.article-head{padding:37px 0 26px}.article-cover{height:195px}.article-layout{grid-template-columns:minmax(0,1fr)}.toc{display:none}.related .stories-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.wrap{width:calc(100% - 30px)}.brand-title{font-size:18px;letter-spacing:1px}.brand-mark{width:36px;height:36px;font-size:20px}.brand-title small{font-size:7px;letter-spacing:1px}.header-in{gap:9px}.search-trigger{font-size:0;padding:8px 10px}.search-symbol{font-size:24px}.hero-copy{padding-top:47px}.eyebrow{font-size:9px;letter-spacing:1.5px;gap:8px;margin-bottom:21px}.hero h1{font-size:clamp(36px,10vw,47px);letter-spacing:0}.hero-desc{font-size:13px;line-height:2}.hero-buttons{gap:8px}.btn{padding:12px 14px;font-size:11px;gap:7px}.hero-stats{gap:14px}.hero-stats b{font-size:20px}.hero-stats small{font-size:9px}.hero-art{height:235px}.hero-art img{width:385px;right:-25px;bottom:-35px}.art-seal{top:9px;width:34px;height:103px;font-size:12px}.art-caption{right:5px}.section{padding:52px 0}.section-head{align-items:start;gap:10px}.section-head h2{font-size:30px}.section-head p{font-size:11px}.view-all{font-size:10px;white-space:normal;text-align:right;max-width:100px}.atlas-grid{gap:8px}.atlas-item{min-height:226px;padding:16px 12px}.atlas-top{margin-bottom:21px}.atlas-n{font-size:24px}.atlas-item h3{font-size:17px}.atlas-item p{font-size:11px}.atlas-count{font-size:9px}.stories-grid,.category-layout .stories-grid,.related .stories-grid{grid-template-columns:1fr}.story-art{height:160px}.story-info h3,.story-info p{min-height:0}.story-info p{margin-bottom:13px}.filter-btn{padding:8px 11px;font-size:11px}.compact-story{gap:10px;padding:16px 12px}.compact-story h3{font-size:13px}.compact-story p{font-size:10px}.editorial-note{padding:23px}.editorial-note h2{font-size:23px}.footer-top{grid-template-columns:repeat(2,1fr);gap:28px;padding:42px 0}.footer-top>div:first-child{grid-column:1/3}.footer-bottom{gap:13px;line-height:1.6}.category-hint{flex-direction:column;gap:8px}.category-hero h1{font-size:35px}.article-head h1{font-size:31px}.article-deck{font-size:13px}.article-meta{gap:6px}.article-cover{height:145px;margin-bottom:31px}.cover-design{font-size:26px;letter-spacing:5px;padding-top:58px}.article-prose{font-size:14px}.article-prose h2{font-size:22px}.article-layout{padding-bottom:45px}.search-hero form button{padding:12px 13px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* five-class comparison: teacher's role taxonomy + competitor article depth */
.roles-section{background:linear-gradient(180deg,#fbf8f2,#f1eee6);border-block:1px solid #eae1d5}.roles-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}.role-card{min-height:255px;background:#fffefa;border:1px solid #e3dace;border-radius:8px;padding:21px 19px;display:flex;flex-direction:column;align-items:flex-start;position:relative;overflow:hidden;transition:transform .2s,border-color .2s}.role-card:hover{transform:translateY(-5px);border-color:#c9a087}.role-no{font-size:11px;color:#bdac9b;letter-spacing:1px}.role-symbol{position:absolute;font-size:113px;font-weight:800;right:-5px;top:-15px;font-family:"Songti SC",serif;color:rgba(156,95,73,.07)}.role-type{font-size:10px;color:#aa7962;letter-spacing:.6px;margin-top:38px}.role-card h3{font-size:25px;font-family:"Songti SC",serif;color:#364c40;margin:9px 0}.role-card p{font-size:12px;color:#848881;line-height:1.7;flex:1}.role-link{font-size:11px;color:#a45642;font-weight:800;padding-top:17px;border-top:1px solid #eae2d9;width:100%}.roles-note{color:#999b92;font-size:11px;margin:20px 0 0}.features-section{padding-top:15px}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.feature-unit{padding:30px 31px 33px;background:#edf0e9;border-top:3px solid #789385;border-radius:5px}.feature-unit:nth-child(2){background:#f3e9de;border-color:#af7960}.feature-unit:nth-child(3){background:#f0efe4;border-color:#b7a77b}.feature-unit span{font-size:11px;letter-spacing:2px;color:#9b7355}.feature-unit h3{font-size:25px;font-family:"Songti SC",serif;margin:19px 0 12px;color:#374d40}.feature-unit p{font-size:12px;line-height:2;color:#7e857b;margin:0}
@media(max-width:800px){.roles-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-unit{padding:24px}.features-section{padding-top:10px}}
@media(max-width:520px){.roles-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.role-card{min-height:223px;padding:16px 14px}.role-type{margin-top:27px}.role-card h3{font-size:22px}.role-card p{font-size:11px}.feature-unit{padding:19px}.features-grid{grid-template-columns:1fr;gap:9px}.feature-unit h3{margin:10px 0}.features-section{padding-top:0}}
/* V2 custom article cover */
.article-cover.custom-cover{padding:0;background:#e8e2d7;height:320px}
.article-cover.custom-cover img{width:100%;height:100%;object-fit:cover}
@media(max-width:600px){.article-cover.custom-cover{height:180px}}