:root{--accent:#13796d;--paper:#f2f7f5;--ink:#183832;--muted:#747576;--line:#dcded8;--surface:#ffffff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.75 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{cursor:pointer}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{line-height:1.4}h1{font-size:clamp(30px,4vw,54px)}a:hover{opacity:.86}.skip-link{position:absolute;top:-80px;left:12px;z-index:99;background:var(--ink);color:var(--paper);padding:10px}.skip-link:focus{top:10px}.header-inner,.site-main,.footer-inner{width:min(1240px,calc(100% - 64px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:var(--surface)}.header-inner{display:flex;align-items:center;gap:26px;min-height:91px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:900;font-size:24px;letter-spacing:-1px}.logo-mark{display:grid;place-items:center;background:var(--accent);color:var(--paper);width:36px;height:36px;border-radius:9px;font-size:20px;letter-spacing:0}.main-nav{display:flex;gap:19px;margin-left:auto;align-items:center;font-size:13px;font-weight:600}.main-nav a[aria-current=page]{color:var(--accent)}.search-form{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--paper);overflow:hidden}.search-form input{width:135px;padding:8px 10px;border:0;background:transparent;color:var(--ink);min-width:0}.search-form button{padding:8px 10px;border:0;background:transparent;color:var(--ink)}.menu-toggle{display:none}.site-main{min-height:65vh}.site-footer{border-top:1px solid var(--line);margin-top:65px;padding:40px 0;background:var(--surface)}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:25px}.footer-brand{font-size:22px;font-weight:800}.footer-links{display:flex;gap:22px;align-items:start;font-size:13px;flex-wrap:wrap}.footer-note{grid-column:1/-1;color:var(--muted);font-size:12px;max-width:780px}.kicker{color:var(--accent);font-size:11px;font-weight:700;letter-spacing:1px}.article-meta{display:flex;gap:13px;font-size:11px;color:var(--muted);margin-top:15px;flex-wrap:wrap}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.story-card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}.story-card img{width:100%;aspect-ratio:1.90476;object-fit:cover}.card-copy{padding:22px}.card-copy h3{font-size:19px;margin:7px 0 10px}.card-copy p{font-size:13px;color:var(--muted);margin:0}.feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;background:var(--surface);border-radius:14px;overflow:hidden;border:1px solid var(--line)}.feature>img{width:100%;height:100%;object-fit:cover;min-height:330px}.feature-copy{padding:32px}.feature-copy h1{font-size:36px;margin:13px 0 18px}.feature-copy p{color:var(--muted);font-size:14px}.read-link{display:inline-flex;gap:20px;align-items:center;border-bottom:1px solid var(--ink);padding:8px 0;margin-top:15px;font-weight:700;font-size:13px}.category-pill{display:inline-flex;border:1px solid var(--line);border-radius:30px;padding:8px 18px;font-size:13px;background:var(--surface)}.ranking{list-style:none;padding:0;margin:0}.ranking li{border-top:1px solid var(--line)}.ranking a{display:grid;grid-template-columns:32px 1fr;gap:6px 13px;padding:18px 0}.ranking span{grid-row:1/3;color:var(--accent);font-size:24px;font-style:italic}.ranking strong{font-size:14px;font-weight:600}.ranking small{color:var(--muted);font-size:11px}.topic-link{display:block;padding:13px 0;border-bottom:1px solid var(--line)}.page-intro{padding:45px 0 30px}.page-intro h1{margin:12px 0 18px}.page-intro p{color:var(--muted);max-width:720px}.breadcrumb{font-size:12px;color:var(--muted);margin:27px 0}.breadcrumb a{text-decoration:underline;text-underline-offset:4px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) minmax(220px,1fr);gap:48px;margin:25px 0}.article-content{min-width:0}.article-content h1{font-size:clamp(28px,3.2vw,43px);margin:12px 0 20px}.article-hero{width:100%;margin:25px 0;border-radius:10px}.article-body{font-size:16px;line-height:1.95}.article-body h2{font-size:24px;margin:38px 0 15px}.article-body p{margin:0 0 20px}.article-body ul{padding-left:23px}.article-aside{border-left:1px solid var(--line);padding-left:24px}.article-aside h2{font-size:17px}.article-aside ol{padding-left:20px;color:var(--muted);font-size:13px}.article-aside li{margin:12px 0}.notice{border-left:3px solid var(--accent);background:var(--surface);padding:14px 18px;font-size:12px;color:var(--muted);margin:20px 0}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:25px 0}.page-shell{max-width:820px;margin:50px auto}.page-shell h1{font-size:36px}.page-shell p{color:var(--muted)}.search-status{padding:18px 0;color:var(--muted)}.empty-state{padding:40px;border:1px dashed var(--line);text-align:center}.archive-list{list-style:none;padding:0}.archive-list li{display:flex;gap:20px;border-bottom:1px solid var(--line);padding:18px 0;align-items:center}.archive-list span{color:var(--accent);font-size:12px}.archive-list a{font-size:16px}.archive-list small{margin-left:auto;color:var(--muted);font-size:12px}[hidden]{display:none!important}.site-main section{scroll-margin-top:24px}
@media(max-width:1050px){.header-inner{flex-wrap:wrap;padding-block:18px;gap:15px}.main-nav{order:3;width:100%;justify-content:space-between;margin:0}.search-form{margin-left:auto}.feature-copy h1{font-size:29px}.article-layout{gap:28px}}
@media(max-width:760px){.header-inner,.site-main,.footer-inner{width:calc(100% - 36px)}.card-grid,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature{grid-template-columns:1fr}.feature>img{min-height:0;max-height:330px}.article-layout{grid-template-columns:1fr}.article-aside{border-left:0;padding:20px 0;border-top:1px solid var(--line)}.footer-inner{grid-template-columns:1fr}.footer-links{gap:15px}.article-content h1{font-size:30px}.page-intro{padding-top:28px}}
@media(max-width:480px){.card-grid,.related-grid{grid-template-columns:1fr}.brand{font-size:21px}.search-form input{width:95px}.menu-toggle{display:block;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:6px 9px;border-radius:6px;margin-left:auto}.main-nav{display:none;flex-wrap:wrap;gap:12px;justify-content:start}.main-nav.is-open{display:flex}.search-form{margin-left:0}.feature-copy{padding:24px}.archive-list li{align-items:start;flex-direction:column;gap:5px}.archive-list small{margin:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.home-faq{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.5fr);gap:55px;margin:58px 0 18px;padding:38px 0 18px;border-top:1px solid var(--line)}.faq-header h2{font-size:29px;margin:12px 0 16px}.faq-header>p{font-size:13px;color:var(--muted);max-width:330px}.faq-header>a{font-size:12px;text-decoration:underline;text-underline-offset:5px}.faq-list{min-width:0}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{display:flex;align-items:baseline;gap:14px;cursor:pointer;list-style:none;padding:21px 0;font-size:15px;font-weight:600}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.faq-number{font-size:11px;font-weight:400;color:var(--accent);font-variant-numeric:tabular-nums}.faq-item summary>span:nth-child(2){flex:1}.faq-item summary i{font-style:normal;font-size:20px;font-weight:400;line-height:1;color:var(--accent);transition:transform .15s}.faq-item[open] summary i{transform:rotate(45deg)}.faq-answer{padding:0 27px 22px;color:var(--muted);font-size:13px;line-height:1.9}.faq-answer p{margin:0}.site-01 .home-faq{border-top:4px double var(--ink)}.site-01 .faq-header h2,.site-05 .faq-header h2,.site-06 .faq-header h2{font-family:SimSun,"Songti SC",serif}.site-02 .home-faq{padding:32px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.site-02 .faq-number{font-family:monospace}.site-03 .home-faq{padding:35px;background:var(--surface);border:0;border-radius:26px}.site-03 .faq-item summary{font-weight:500}.site-04 .home-faq{grid-template-columns:1fr;gap:20px}.site-04 .faq-header>p{max-width:650px}.site-04 .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:15px;align-items:start}.site-04 .faq-item{border:1px solid var(--line);border-radius:12px;padding:0 20px;background:var(--surface)}.site-04 .faq-item:last-child{border-bottom:1px solid var(--line)}.site-04 .faq-answer{padding-left:0;padding-right:0}.site-05 .home-faq{border-top:1px solid var(--accent);gap:70px}.site-05 .faq-header h2{font-size:34px;font-weight:500}.site-05 .faq-item summary{font-family:SimSun,"Songti SC",serif;font-size:17px}.site-06 .home-faq{border-top:5px double var(--ink);border-bottom:1px solid var(--ink);padding-bottom:30px}.site-06 .faq-number{font-family:Georgia,serif;font-size:17px}.site-07 .home-faq{padding:30px;background:var(--surface);border:1px solid var(--line);border-radius:25px}.site-07 .faq-item{border-top-style:dashed}.site-07 .faq-number{display:grid;place-items:center;min-width:25px;height:25px;border-radius:50%;background:var(--paper)}.site-08 .home-faq{border:1px solid var(--line);padding:30px;background:var(--surface);gap:40px}.site-08 .faq-header h2{font-family:monospace,"Microsoft YaHei",sans-serif}.site-08 .faq-number{font-family:monospace}.site-08 .faq-item summary{font-size:14px}.site-09 .home-faq{border-top:3px double var(--line)}.site-09 .faq-list{border-left:2px solid var(--accent);padding-left:24px}.site-09 .faq-header h2{font-family:Georgia,SimSun,serif}.site-09 .faq-item{border-top-style:dotted}@media(max-width:760px){.home-faq,.site-04 .home-faq{grid-template-columns:1fr;gap:22px;margin-top:35px}.faq-header>p{max-width:none}.site-02 .home-faq,.site-03 .home-faq,.site-07 .home-faq,.site-08 .home-faq{padding:24px}.site-05 .home-faq{gap:22px}.faq-header h2,.site-05 .faq-header h2{font-size:26px}.site-04 .faq-list{grid-template-columns:1fr}.site-09 .faq-list{padding-left:16px}.faq-item summary{font-size:14px;gap:10px}.faq-answer{padding-left:22px;padding-right:0}}

.site-10 .home-faq{border-top:5px solid var(--ink);gap:40px}.site-10 .faq-header h2{font-size:35px;font-weight:900;letter-spacing:-1px}.site-10 .faq-number{background:var(--accent);color:var(--ink);padding:1px 7px}.site-11 .home-faq{border:1px solid var(--line);border-radius:18px;padding:32px;background:var(--surface)}.site-11 .faq-header h2{font-family:Georgia,SimSun,serif;font-weight:500}.site-11 .faq-item summary{font-size:14px}.site-11 .faq-number{font-family:monospace}.site-12 .home-faq{padding:38px;background:var(--surface);border:1px solid var(--line);border-radius:36px}.site-12 .faq-item summary{font-weight:500}.site-13 .home-faq{border-top:2px solid var(--accent)}.site-13 .faq-number{border:1px solid var(--accent);padding:2px 5px}.site-13 .faq-header h2{font-size:29px;font-weight:600}.site-14 .home-faq{grid-template-columns:1fr;border-top:8px solid var(--ink);gap:15px}.site-14 .faq-header h2{font-size:42px;font-weight:900;letter-spacing:-2px}.site-14 .faq-header>p{max-width:650px}.site-14 .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;align-items:start}.site-14 .faq-item{border-top:2px solid var(--ink)}.site-14 .faq-item:last-child{border-bottom:0}.site-14 .faq-number{font-size:20px;font-weight:800}.site-15 .home-faq{background:var(--surface);padding:32px;border-radius:24px;border:1px solid var(--line)}.site-15 .faq-number{border-radius:50%;background:var(--accent);color:var(--paper);padding:2px 6px}.site-15 .faq-item summary{gap:12px}@media(max-width:760px){.site-10 .home-faq,.site-11 .home-faq,.site-12 .home-faq,.site-15 .home-faq{gap:22px}.site-11 .home-faq,.site-12 .home-faq,.site-15 .home-faq{padding:24px}.site-14 .faq-list{grid-template-columns:1fr}.site-10 .faq-header h2,.site-14 .faq-header h2{font-size:28px;letter-spacing:0}}

.site-13{--muted:#71857f;--line:#d4e1dc;--surface:#fff}.site-13 .site-header{background:#fff;border-bottom:1px solid var(--line)}.site-13 .brand{font-size:23px;letter-spacing:-.5px}.site-13 .logo-mark{border-radius:7px;background:#e2f1eb;color:var(--accent);border:1px solid #bbd9cd}.site-13 .main-nav a{font-size:12px}.site-13 .search-form{border-radius:5px}.desk-welcome{display:grid;grid-template-columns:1.2fr 1fr;gap:75px;align-items:center;padding:55px 0 45px}.desk-label{display:inline-flex;gap:8px;align-items:center;font-size:10px;letter-spacing:1.5px;color:var(--accent)}.status-dot{width:7px;height:7px;background:var(--accent);border-radius:50%}.desk-welcome h2{font-size:clamp(35px,4.3vw,59px);line-height:1.25;letter-spacing:-2px;margin:19px 0 23px;font-weight:700}.desk-welcome em{font-style:normal;color:var(--accent)}.desk-welcome>div>p{font-size:13px;color:var(--muted);line-height:1.9}.desk-button{display:inline-flex;align-items:center;justify-content:space-between;gap:50px;padding:11px 17px;border:1px solid var(--accent);color:#fff;background:var(--accent);border-radius:5px;font-size:12px;font-weight:600;margin-top:17px}.desk-question{padding:26px 28px;background:#fff;border:1px solid var(--line);box-shadow:7px 7px 0 #e3ede7;position:relative;border-radius:8px}.desk-question:before{content:'';position:absolute;left:30px;top:-9px;width:70px;height:17px;background:#bedbcb99;transform:rotate(-4deg)}.note-tab{font-size:9px;letter-spacing:1.5px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:12px}.desk-question h3{font-size:20px;margin:19px 0}.desk-question ul{list-style:none;margin:0;padding:0}.desk-question li{display:flex;gap:15px;align-items:start;padding:12px 0;border-top:1px dashed var(--line)}.desk-question li>span{font-size:11px;color:var(--accent);padding-top:3px}.desk-question strong{font-size:13px;font-weight:600}.desk-question p{font-size:11px;line-height:1.8;color:var(--muted);margin:4px 0 0}.desk-tabs{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.desk-tabs>div{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.desk-tabs>div>span{font-size:11px;color:var(--muted);margin-right:12px}.site-13 .category-pill{border-radius:5px;padding:7px 13px;font-size:11px;background:#fff}.desk-tabs>a{font-size:11px;white-space:nowrap;color:var(--accent)}.desk-section-heading{display:flex;gap:20px;justify-content:space-between;align-items:end;margin:39px 0 23px}.desk-section-heading>div>span{font-size:10px;letter-spacing:1.5px;color:var(--accent)}.desk-section-heading h2{font-size:25px;margin:8px 0 0;letter-spacing:-.5px}.desk-section-heading>a{font-size:11px;color:var(--accent);white-space:nowrap}.desk-section-heading>p{font-size:11px;color:var(--muted);margin:0}.desk-focus .feature{grid-template-columns:.85fr 1.15fr;border-radius:8px;border:1px solid var(--line);background:#fff}.desk-focus .feature>img{height:100%;min-height:300px;object-fit:cover}.desk-focus .feature-copy{padding:35px}.desk-focus .feature h1{font-size:29px;line-height:1.5;margin:12px 0 17px;letter-spacing:-.5px}.desk-focus .feature-copy p{font-size:13px}.site-13 .kicker{font-size:10px;letter-spacing:1px;font-weight:500}.site-13 .read-link{font-size:12px;border-color:var(--line);font-weight:500;color:var(--accent)}.site-13 .article-meta{font-size:10px;gap:12px}.desk-notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;border-top:1px solid var(--line);counter-reset:note}.desk-notes-grid .story-card{display:block;position:relative;background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;counter-increment:note;padding-left:47px}.desk-notes-grid .story-card:before{content:'0' counter(note);position:absolute;top:25px;left:0;font-size:18px;font-weight:300;color:#7ca99b}.desk-notes-grid .cover-link{display:none}.desk-notes-grid .card-copy{padding:23px 0}.desk-notes-grid .card-copy h3{font-size:18px;margin:8px 0 10px;line-height:1.6;font-weight:600}.desk-notes-grid .card-copy p{font-size:12px}.desk-method{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;gap:70px;padding:40px;background:#e2efe8;border-radius:9px;margin-top:43px}.desk-method>div>span{font-size:10px;letter-spacing:1.5px;color:var(--accent)}.desk-method h2{font-size:29px;line-height:1.45;letter-spacing:-.5px;margin:16px 0}.desk-method p{font-size:12px;color:#628074;max-width:340px}.desk-method a{font-size:11px;color:var(--accent);display:inline-block;margin-top:10px}.note-sheet{border:1px solid #c6dccf;background:#fff;border-radius:4px;padding:22px}.sheet-title{display:flex;justify-content:space-between;font-size:9px;color:#708d80;letter-spacing:1px;padding-bottom:12px;border-bottom:1px solid #dce8e0}.note-sheet dl{margin:0}.note-sheet dl>div{display:grid;grid-template-columns:85px 1fr;gap:15px;padding:13px 0;border-bottom:1px solid #e9eeeb;font-size:12px}.note-sheet dl>div:last-child{border-bottom:0}.note-sheet dt{color:var(--accent);font-weight:600}.note-sheet dd{margin:0;color:#758a7d;font-size:11px}.desk-reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.desk-reading-grid .story-card{border:1px solid var(--line);border-radius:7px;background:#fff}.desk-reading-grid .story-card img{aspect-ratio:2.2;object-fit:cover}.desk-reading-grid .card-copy{padding:21px}.desk-reading-grid .card-copy h3{font-size:17px;line-height:1.55}.desk-reading-grid .card-copy p{font-size:12px}.desk-last{display:grid;grid-template-columns:1fr 1fr;gap:85px;margin-top:45px;padding:38px 0 10px;border-top:1px solid var(--line)}.desk-last h2{font-size:29px;line-height:1.45;margin:18px 0}.desk-last p{font-size:12px;color:var(--muted);max-width:430px}.desk-last>div:last-child>a{display:block;border-bottom:1px solid var(--line);padding:17px 0}.desk-last a strong,.desk-last a span{display:block}.desk-last a strong{font-size:14px;font-weight:600}.desk-last a span{font-size:11px;color:var(--muted);margin-top:6px}.site-13 .site-footer{background:#e5eee9}.site-13 .article-content{background:#fff;border:1px solid var(--line);padding:32px;border-radius:8px}.site-13 .article-content h1{font-size:35px;line-height:1.5}.site-13 .article-body{font-size:15px;line-height:2}.site-13 .article-body h2{font-size:21px;border-bottom:1px solid var(--line);padding-bottom:12px}.site-13 .article-hero{border-radius:4px}.site-13 .home-faq{grid-template-columns:.9fr 1.4fr;background:#fff;border:1px solid var(--line);border-radius:8px;padding:32px;gap:40px}.site-13 .faq-header h2{font-size:26px;letter-spacing:-.5px}.site-13 .faq-item summary{font-size:14px;font-weight:500}.site-13 .faq-item:first-child{border-top:0}.site-13 .faq-number{font-family:monospace}.site-13 .faq-answer{font-size:12px}@media(max-width:950px){.desk-welcome{gap:35px}.desk-reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.desk-method{gap:30px;padding:30px}.desk-last{gap:35px}.desk-tabs{align-items:start}.desk-tabs>div>span{width:100%}.desk-focus .feature-copy{padding:26px}.desk-focus .feature h1{font-size:26px}}@media(max-width:640px){.desk-welcome{grid-template-columns:1fr;gap:30px;padding:32px 0}.desk-welcome h2{font-size:41px;letter-spacing:-1px}.desk-question{padding:24px;box-shadow:4px 4px 0 #e3ede7}.desk-tabs{flex-direction:column;gap:13px}.desk-tabs>div{gap:7px}.desk-section-heading{align-items:start;flex-direction:column;gap:10px}.desk-section-heading h2{font-size:23px}.desk-section-heading>p{display:none}.desk-focus .feature{grid-template-columns:1fr}.desk-focus .feature>img{min-height:0;height:auto;max-height:none}.desk-focus .feature-copy{padding:24px}.desk-focus .feature h1{font-size:27px}.desk-notes-grid{grid-template-columns:1fr}.desk-notes-grid .story-card{padding-left:38px}.desk-method,.desk-last{grid-template-columns:1fr;gap:25px}.desk-method{padding:24px}.desk-method h2{font-size:26px}.note-sheet{padding:17px}.note-sheet dl>div{grid-template-columns:67px 1fr;gap:10px}.desk-reading-grid{grid-template-columns:1fr}.site-13 .article-content{padding:22px}.site-13 .article-content h1{font-size:29px}.site-13 .home-faq{grid-template-columns:1fr;padding:24px;gap:20px}.site-13 .faq-header h2{font-size:25px}.desk-last{margin-top:30px}}