@import url("/assets/fonts/noto-sans-sc.css");
:root{--paper:#f5f3ed;--ink:#262926;--muted:#676b65;--line:#d9d9d0;--red:#b93f2d;--white:#fffefa;--blue:#004ed8}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img,svg{max-width:100%;height:auto}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--red);outline-offset:5px}::selection{background:#edc9bd}.wrap{max-width:1200px;margin:auto;padding:0 36px}.site-header{height:92px;border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:12px;align-items:center;font-size:20px;font-weight:750;letter-spacing:-.6px}.brand-sign{width:27px;height:28px;border-left:2px solid var(--red);border-bottom:2px solid var(--red);position:relative}.brand-sign:after{content:"";position:absolute;width:24px;height:2px;left:4px;top:11px;background:var(--red);transform:rotate(-45deg)}.brand-sign:before{content:"";position:absolute;width:8px;height:8px;right:-2px;top:0;border-right:2px solid var(--red);border-top:2px solid var(--red)}.site-nav{display:flex;gap:32px;font-size:14px;font-weight:500;align-items:center}.site-nav a:hover{color:var(--red)}.nav-contact{border-left:1px solid var(--line);padding-left:30px}.skip-link{position:fixed;left:20px;top:-100px;z-index:10;padding:12px;background:var(--ink);color:white}.skip-link:focus{top:12px}.eyebrow,.section-label{font-size:13px;letter-spacing:2px;font-weight:550;display:flex;align-items:center;gap:13px}.eyebrow span{width:7px;height:7px;background:var(--red);border-radius:50%}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:40px;padding-top:80px;padding-bottom:84px;align-items:center}.hero h1{font-size:clamp(44px,4.15vw,62px);font-weight:750;line-height:1.3;letter-spacing:-2.8px;margin:31px 0 25px}.red-ink{color:var(--red)}.hero-intro{font-size:18px;line-height:1.9;color:var(--muted);margin:0}.hero-actions{display:flex;gap:28px;align-items:center;margin-top:34px}.button{display:inline-flex;gap:32px;padding:13px 23px;align-items:center;font-size:14px;font-weight:600;border:1px solid transparent}.button.primary{color:var(--white);background:var(--red)}.button.primary:hover{background:#983020}.text-link{display:inline-flex;gap:16px;align-items:center;border-bottom:1px solid currentColor;padding:3px 0;font-size:14px;font-weight:550}.text-link:hover{color:var(--red)}.hero-note{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);margin-top:44px}.little-line{width:22px;height:1px;background:var(--muted)}.journey-figure{padding:24px 23px 18px;background:#efede5;border:1px solid #dfdcd2;transform:rotate(-1deg)}.figure-top,.figure-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#73756d;font-size:10px;letter-spacing:1px}.figure-mark{font-size:24px;line-height:1}.figure-bottom{border-top:1px solid #d6d1c6;padding-top:14px;letter-spacing:0;font-size:11px}.journey-figure svg{display:block;width:100%;margin:10px 0 4px}.svg-axis{font-size:12px;fill:#74796f;letter-spacing:1px}.svg-label{font-size:13px;fill:#4b5048}.svg-small{font-size:12px;fill:#8d7468}.svg-goal{font-size:19px;fill:#ad3928;font-weight:600}.journey-path{stroke-dasharray:700;stroke-dashoffset:0;animation:trace 1.8s ease-out both}@keyframes trace{from{stroke-dashoffset:700}to{stroke-dashoffset:0}}.topics-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.topics-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:21px;padding-bottom:21px;font-size:14px;font-weight:500;letter-spacing:1px}.topics-band i{height:4px;width:4px;background:#a7aa9f;border-radius:50%}.section-space{padding-top:88px;padding-bottom:88px}.section-label{color:var(--muted);margin-bottom:30px}.section-label>span{color:var(--red);font-size:11px;letter-spacing:0;border-top:1px solid var(--red);padding-top:4px}.approach-grid,.author-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}h2{font-size:38px;letter-spacing:-1.3px;line-height:1.45;font-weight:650;margin:0}p{margin:0 0 20px}.approach-copy{font-size:15px;color:var(--muted);line-height:1.95}.approach-copy .large-copy{font-size:20px;font-weight:550;color:var(--ink);margin-bottom:20px}.principle-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}.principle-row>div+div{border-left:1px solid var(--line);padding-left:30px}.principle-number{font-size:12px;color:var(--red);font-weight:550}.principle-row h3{font-size:20px;line-height:1.5;margin:14px 0 12px;font-weight:600;letter-spacing:-.5px}.principle-row p{font-size:14px;color:var(--muted);line-height:1.9;margin:0}.articles-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.article-section-top{display:flex;align-items:end;justify-content:space-between;gap:30px}.article-section-top .section-label{margin-bottom:22px}.article-section-top>p{font-size:14px;color:var(--muted);margin:0 0 7px;line-height:1.9}.article-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:42px;border-bottom:1px solid var(--line);padding-bottom:18px}.filters{display:flex;gap:6px;flex-wrap:wrap}.filter{background:transparent;border:1px solid transparent;color:var(--muted);padding:7px 14px;font-size:13px;white-space:nowrap}.filter.active{color:var(--white);background:var(--ink)}.filter:hover:not(.active){background:#eeece6}.filter span{font-size:10px;opacity:.6;margin-left:6px}.sort-note{font-size:11px;color:var(--muted)}.article-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:48px}.article-card{border-bottom:1px solid var(--line);padding:29px 0 27px;display:grid;grid-template-columns:40px 1fr;gap:15px;position:relative}.article-card[hidden]{display:none}.article-card:hover h3{color:var(--red)}.article-card:hover .card-arrow{transform:translate(3px,-3px);color:var(--red)}.card-number{font-size:12px;color:#989b91;font-weight:450;margin-top:3px}.card-meta{font-size:11px;letter-spacing:.3px;color:var(--muted);display:flex;gap:16px;align-items:center}.card-meta .category{color:var(--red)}.article-card h3{font-size:21px;line-height:1.6;font-weight:600;letter-spacing:-.5px;margin:13px 22px 10px 0}.article-card p{font-size:13px;color:var(--muted);line-height:1.85;margin:0 20px 0 0}.card-arrow{position:absolute;right:0;top:70px;font-size:22px;transition:transform .2s}.author-section{padding-bottom:96px}.author-name{font-size:22px;font-weight:550}.author-grid p{color:var(--muted);line-height:1.95;font-size:16px}.author-grid .author-name{color:var(--ink);font-size:22px;margin-bottom:16px}.author-grid .small-note{font-size:13px}.site-footer{background:#262c28;color:#f5f3ed;padding:58px 0 22px}.footer-main{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:36px;padding-bottom:44px}.footer-kicker{font-size:11px;letter-spacing:2px;color:#bbc0b6;margin-bottom:18px}.footer-title{font-size:36px;line-height:1.5;letter-spacing:-.7px;font-weight:550;margin:0 0 16px}.footer-caption{font-size:13px;color:#abb3a8}.qr-block{display:flex;align-items:center;justify-content:flex-end;gap:24px}.qr-block p{font-size:13px;line-height:1.8;color:#d5d9d0;margin:0}.qr-block strong{display:block;font-size:18px;line-height:1.5;font-weight:500;margin:8px 0}.qr-link{display:block;width:194px;flex-shrink:0;background:white}.qr-link img{display:block;width:194px;height:auto}.qr-hint{display:block;font-size:11px;color:#aeb6ac;margin-top:12px}.footer-bottom{border-top:1px solid #475045;padding-top:21px;display:flex;justify-content:space-between;gap:20px;color:#aab1a5;font-size:10px;line-height:1.9}.footer-bottom a:hover{color:white}.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:8px 22px}.mobile-break{display:none}.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}
.article-page{background:#fffefa}.article-masthead{max-width:1000px;margin:0 auto;padding:43px 36px 42px;border-bottom:1px solid var(--line)}.breadcrumb{display:flex;gap:12px;color:var(--muted);font-size:12px;margin-bottom:42px}.breadcrumb a:hover{color:var(--red)}.article-category{display:inline-block;color:var(--red);font-size:12px;letter-spacing:1px;margin-bottom:17px}.article-masthead h1{font-size:39px;font-weight:650;letter-spacing:-1.3px;line-height:1.5;max-width:860px;margin:0 0 22px}.article-deck{font-size:17px;line-height:1.85;color:var(--muted);max-width:750px}.article-meta{display:flex;align-items:center;gap:18px;font-size:12px;color:var(--muted);margin-top:30px}.article-meta>span:first-child{color:var(--ink);font-weight:550}.reading-layout{max-width:1180px;margin:auto;padding:48px 36px 70px;display:grid;grid-template-columns:minmax(0,760px) 180px;gap:64px}.article-body{font-size:18px;line-height:1.95;letter-spacing:.1px;min-width:0;overflow-wrap:anywhere}.article-body .source-paragraph{margin:0 0 1.45em;font-size:calc(1em * var(--scale,1))}.article-body strong{font-weight:720}.article-body .source-red{color:#e60000}.article-body .source-blue{color:#004ce6}.article-body .source-purple{color:#990090}.article-body .source-lead{font-size:1.15em;font-weight:650;text-align:center;margin:.2em 0 .4em;color:#3b576a}.article-body .source-lead:last-of-type{margin-bottom:1.6em}.source-section-title{font-size:1.2em;font-weight:650;line-height:1.55;letter-spacing:0;margin:2.5em 0 1.2em;color:#fff;background:#36536a;display:table;max-width:100%;padding:13px 23px}.source-section-title .source-block{display:block}.article-body figure{margin:32px auto;text-align:center}.article-body figure img{width:auto;max-width:100%;height:auto;display:inline-block}.source-table-wrap{overflow-x:auto;overscroll-behavior-x:contain;margin:28px 0 32px;border:1px solid #bfc4c5;border-radius:2px}.source-table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.8;min-width:500px;color:#365573}.source-table th,.source-table td{padding:12px 13px;border-right:1px solid #bfc4c5;border-bottom:1px solid #bfc4c5;text-align:center;vertical-align:middle;font-weight:400}.source-table th{background:#edf1f2;font-weight:550}.source-table tr:last-child td{border-bottom:none}.source-table td:last-child,.source-table th:last-child{border-right:none}.source-table .source-block{display:block}.source-table td>span+span{margin-top:4px}.source-table.wide{min-width:680px}.source-table.wide td:first-child,.source-table.wide th:first-child{width:45%;text-align:left}.source-decoration{font-size:0!important;line-height:0!important;height:0;overflow:hidden;margin:0!important}.source-table .decoration-cell{height:12px;padding:0;line-height:0}.source-table .decoration-cell span{visibility:hidden;font-size:0}.source-link{color:#144f84;text-decoration:underline;text-underline-offset:4px}.article-toc{align-self:start;position:sticky;top:32px;font-size:12px;color:var(--muted);max-height:85vh;overflow-y:auto;padding-left:22px;border-left:1px solid var(--line)}.article-toc p{font-weight:600;font-size:12px;letter-spacing:1px;color:var(--ink);margin-bottom:17px}.article-toc a{display:block;margin:0 0 13px;line-height:1.8}.article-toc a:hover{color:var(--red)}.article-toc .back-to-list{border-top:1px solid var(--line);padding-top:15px;margin-top:20px;color:var(--red)}.after-article{background:var(--paper);padding:42px 0 48px;border-top:1px solid var(--line)}.next-articles{display:grid;grid-template-columns:1fr 1fr;gap:60px}.next-articles a{display:block;font-size:18px;font-weight:550;line-height:1.7}.next-articles small{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-bottom:12px}.read-progress{position:fixed;left:0;top:0;height:3px;width:0;background:var(--red);z-index:20}.source-block[data-source-index]{scroll-margin-top:40px}
@media(min-width:1500px){.hero{padding-top:104px;padding-bottom:104px}}
@media(max-width:1000px){.hero{gap:20px}.hero h1{font-size:48px}.hero-intro{font-size:16px}.hero-actions{gap:20px}.wrap{padding-left:28px;padding-right:28px}.journey-figure{padding:20px 14px}.approach-grid,.author-grid{gap:40px}.reading-layout{grid-template-columns:minmax(0,720px);justify-content:center;padding:40px 32px}.article-toc{display:none}.footer-main{grid-template-columns:1fr 1.1fr}.qr-block{gap:15px}.qr-link,.qr-link img{width:170px}.qr-block strong{font-size:16px}.footer-title{font-size:31px}}
@media(max-width:700px){html{scroll-padding-top:20px}.wrap{padding-left:22px;padding-right:22px}.site-header{height:auto}.header-inner{display:block;padding-top:21px;padding-bottom:13px}.brand{font-size:18px;gap:11px;letter-spacing:-.3px}.brand-sign{width:22px;height:23px}.brand-sign:after{width:20px;top:9px}.site-nav{gap:26px;font-size:12px;margin-top:20px}.nav-contact{margin-left:auto;padding-left:18px}.hero{grid-template-columns:1fr;padding-top:47px;padding-bottom:36px;gap:40px}.eyebrow{font-size:11px;letter-spacing:1.5px;margin:0}.hero h1{font-size:43px;letter-spacing:-2px;margin:24px 0 22px;line-height:1.31}.hero-intro{font-size:15px;line-height:1.95}.hero-actions{margin-top:29px;gap:24px}.button{font-size:13px;padding:12px 20px;gap:24px}.text-link{font-size:12px;gap:12px}.hero-note{margin-top:28px;font-size:10px;gap:10px}.journey-figure{padding:19px 18px 14px;margin:2px 3px 0;transform:rotate(-1deg)}.figure-top{font-size:8px}.figure-bottom{font-size:9px;padding-top:11px}.topics-band .wrap{justify-content:flex-start;gap:14px;padding-top:17px;padding-bottom:17px;overflow-x:auto;white-space:nowrap;font-size:11px;letter-spacing:.2px;scrollbar-width:none}.topics-band i{flex-shrink:0;width:3px;height:3px}.section-space{padding-top:56px;padding-bottom:56px}.section-label{font-size:11px;letter-spacing:1.2px;margin-bottom:25px}.approach-grid,.author-grid{grid-template-columns:1fr;gap:25px}h2{font-size:30px;letter-spacing:-1px;line-height:1.5}.approach-copy{font-size:14px;line-height:1.95}.approach-copy .large-copy{font-size:17px}.principle-row{grid-template-columns:1fr;gap:23px;margin-top:22px;padding-top:26px}.principle-row>div+div{padding:23px 0 0;border-left:0;border-top:1px solid var(--line)}.principle-number{font-size:11px}.principle-row h3{font-size:19px;margin:10px 0}.principle-row p{font-size:13px}.article-section-top{display:block}.article-section-top>p{font-size:13px;margin-top:20px}.article-tools{margin-top:26px;padding-bottom:16px}.filters{gap:4px}.filter{font-size:11px;padding:6px 9px}.sort-note{display:none}.article-grid{grid-template-columns:1fr}.article-card{grid-template-columns:24px 1fr;gap:11px;padding:25px 0}.article-card h3{font-size:18px;line-height:1.65;margin-top:11px;margin-right:13px}.card-meta{font-size:10px;gap:13px}.card-number{font-size:10px}.article-card p{font-size:12px;line-height:1.85}.card-arrow{top:57px;font-size:18px}.author-grid p{font-size:14px}.author-grid .author-name{font-size:20px}.author-grid .small-note{font-size:12px}.site-footer{padding-top:40px}.footer-main{grid-template-columns:1fr;gap:23px;padding-bottom:34px}.footer-title{font-size:29px}.footer-kicker{font-size:9px}.footer-caption{font-size:12px}.qr-block{justify-content:space-between;flex-direction:row-reverse;gap:16px}.qr-link,.qr-link img{width:162px}.qr-block p{font-size:12px;max-width:156px}.qr-block strong{font-size:16px;line-height:1.8}.qr-hint{font-size:10px}.footer-bottom{display:block;font-size:9px}.footer-bottom .legal{display:block;margin-top:9px}.footer-bottom .legal>*{display:block}.mobile-break{display:block}.article-masthead{padding:29px 22px 29px}.breadcrumb{margin-bottom:30px;font-size:11px}.article-category{font-size:11px;margin-bottom:15px}.article-masthead h1{font-size:27px;letter-spacing:-.8px;line-height:1.55;margin-bottom:18px}.article-deck{font-size:14px;line-height:1.9;margin-bottom:0}.article-meta{font-size:11px;gap:15px;margin-top:24px}.reading-layout{display:block;padding:31px 22px 45px}.article-body{font-size:17px;line-height:1.95;letter-spacing:0}.article-body .source-paragraph{margin-bottom:1.45em}.article-body .source-lead{font-size:1.1em}.source-section-title{font-size:1.1em;padding:11px 17px;margin:2.1em 0 1.1em}.source-table{font-size:14px;min-width:490px}.source-table th,.source-table td{padding:9px 11px}.source-table-wrap{margin:24px 0 28px}.article-body figure{margin:26px 0}.next-articles{grid-template-columns:1fr;gap:26px}.next-articles a{font-size:16px}.next-articles a+a{border-top:1px solid var(--line);padding-top:25px}.after-article{padding:30px 0}.article-page .site-footer{margin-top:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.qr-link,.qr-link img{width:112px}
@media(max-width:1000px) and (min-width:701px){.qr-block{flex-wrap:wrap}.qr-link,.qr-link img{width:100px}}
@media(max-width:700px){.qr-block{flex-direction:column;align-items:flex-start;gap:18px}.qr-block p{max-width:none}.qr-link,.qr-link img{width:124px}.qr-link{align-self:center}.svg-axis{font-size:16px}.svg-label{font-size:17px}.svg-small{font-size:16px}.svg-goal{font-size:22px}.source-table-wrap:before{content:"左右滑动查看完整表格 →";display:block;position:sticky;left:0;width:100%;font-size:11px;color:#626b70;background:#f1f3f2;padding:8px 11px;border-bottom:1px solid #bfc4c5}}

.source-callout{margin:32px 0;padding:23px 26px;border-left:3px solid #36536a;background:#f1f3f2}
.source-callout .source-paragraph:last-child{margin-bottom:0}
.source-callout.definition .source-paragraph{margin-bottom:0}
.source-callout.definition .source-paragraph:nth-child(even){margin-bottom:1em}
.source-callout.definition .source-paragraph:last-child{margin-bottom:0}
@media(max-width:700px){.source-callout{padding:19px 17px}}