:root{--ink:#172827;--muted:#526361;--paper:#f6f2e8;--surface:#fffdf8;--line:#d9ddd4;--green:#0e735b;--green-dark:#075644;--coral:#e86845;--mustard:#e6b64a;--shadow:0 18px 55px rgba(23,40,39,.09);--radius:22px;--shell:min(1180px,calc(100% - 40px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;line-height:1.78;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%}button,input,textarea{font:inherit}.shell{width:var(--shell);margin-inline:auto}.skip{position:fixed;left:16px;top:-80px;z-index:999;background:#fff;color:#000;padding:10px 15px;border-radius:8px}.skip:focus{top:16px}.topbar{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(23,40,39,.12);backdrop-filter:blur(14px)}.topbar-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.identity{display:flex;align-items:center;gap:12px}.identity-mark{display:grid;grid-template-columns:repeat(3,6px);align-items:end;gap:3px;width:35px;height:35px;padding:7px;border-radius:10px;background:var(--ink)}.identity-mark i{display:block;background:var(--mustard);border-radius:4px}.identity-mark i:nth-child(1){height:11px}.identity-mark i:nth-child(2){height:20px}.identity-mark i:nth-child(3){height:15px;background:var(--coral)}.identity b{display:block;font-size:17px;letter-spacing:.04em}.identity small{display:block;font-size:9px;letter-spacing:.19em;color:var(--muted);margin-top:-3px}.primary-nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:700}.primary-nav a{position:relative;padding:9px 0}.primary-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:2px;background:var(--coral);transition:.2s}.primary-nav a:hover:after,.primary-nav a:focus-visible:after{right:0}.nav-toggle{display:none;border:1px solid var(--line);border-radius:9px;background:#fff;padding:8px 12px;color:var(--ink)}.eyebrow{display:inline-block;color:var(--coral);font-size:12px;line-height:1.2;font-weight:900;letter-spacing:.2em;text-transform:uppercase}.home-hero{background:var(--paper);position:relative;overflow:hidden}.home-hero:before{content:"";position:absolute;width:460px;height:460px;border:70px solid rgba(14,115,91,.07);border-radius:50%;left:-240px;top:-190px}.home-grid{min-height:660px;padding:90px 0;display:grid;grid-template-columns:1.05fr .95fr;gap:82px;align-items:center;position:relative}.home-grid h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(52px,7vw,88px);line-height:1.04;letter-spacing:-.055em;margin:18px 0 28px}.home-grid h1 em{font-style:normal;color:var(--green);position:relative}.home-grid h1 em:after{content:"";position:absolute;left:1px;right:-5px;bottom:1px;height:9px;background:var(--mustard);z-index:-1;transform:rotate(-1deg)}.home-grid>div>p{font-size:19px;max-width:650px;color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border:0;border-radius:11px;font-weight:800;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--green);color:#fff;box-shadow:0 12px 28px rgba(14,115,91,.22)}.button.primary:hover{background:var(--green-dark)}.button.secondary{background:transparent;border:1px solid #9ba8a5;color:var(--ink)}.button.ink{background:var(--ink);color:#fff}.button.light{background:#fff;color:var(--ink)}.button.small{min-height:40px;font-size:13px;margin-top:10px}.decision-board{background:var(--ink);color:#fff;border-radius:30px;padding:31px 34px;box-shadow:0 28px 70px rgba(23,40,39,.22);transform:rotate(1.4deg)}.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:18px}.board-top span{font-weight:800}.board-top b{font-size:12px;color:var(--mustard);letter-spacing:.15em}.decision-board ol{list-style:none;margin:0;padding:11px 0 0}.decision-board li{display:grid;grid-template-columns:50px 1fr;gap:15px;padding:18px 0;border-bottom:1px dashed rgba(255,255,255,.16)}.decision-board li:last-child{border:0}.decision-board li>b{font-family:Georgia,serif;font-size:24px;color:var(--coral)}.decision-board strong,.decision-board span{display:block}.decision-board strong{font-size:18px}.decision-board li span{font-size:13px;color:#afc2be}.signal-strip{background:var(--mustard);font-size:13px}.signal-strip .shell{min-height:52px;display:flex;align-items:center;gap:30px;justify-content:center}.signal-strip b{font-size:14px}.section{padding:92px 0}.section-paper{background:var(--paper)}.section-title{max-width:760px;margin-bottom:38px}.section-title.split{max-width:none;display:grid;grid-template-columns:1fr .8fr;gap:50px;align-items:end}.section-title>span{color:var(--coral);font-size:11px;font-weight:900;letter-spacing:.2em}.section-title h2{font-family:Georgia,"Songti SC",serif;font-size:clamp(34px,4vw,52px);line-height:1.18;margin:10px 0 14px;letter-spacing:-.035em}.section-title p{color:var(--muted);font-size:16px;margin:0}.criteria-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.criteria-grid article{background:var(--surface);padding:30px}.criteria-grid article>b{font:700 28px Georgia,serif;color:var(--coral)}.criteria-grid article>span{display:block;font-size:12px;font-weight:800;color:var(--green);letter-spacing:.12em;margin-top:14px}.criteria-grid h3{font-size:20px;line-height:1.45;margin:7px 0 10px}.criteria-grid p{font-size:14px;color:var(--muted);margin:0}.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:grid;grid-template-columns:58px 1fr;gap:20px;transition:.2s}.scene-card:hover{border-color:#aabbb4;box-shadow:var(--shadow);transform:translateY(-3px)}.scene-letter{width:54px;height:54px;display:grid;place-items:center;background:var(--ink);color:var(--mustard);font:700 23px Georgia,serif;border-radius:15px}.scene-card>div>p{font-size:11px;font-weight:900;letter-spacing:.13em;color:var(--coral);margin:0}.scene-card h3{font-size:20px;line-height:1.4;margin:5px 0 9px}.scene-card>div>span{display:block;color:var(--muted);font-size:14px}.text-link{display:inline-block;color:var(--green);font-weight:800;font-size:13px;margin-top:14px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff;display:flex;flex-direction:column;min-height:300px}.guide-card[hidden]{display:none}.guide-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}.guide-meta span{color:var(--green);font-weight:800}.guide-card h3{font-family:Georgia,"Songti SC",serif;font-size:21px;line-height:1.45;margin:17px 0 10px}.guide-card p{color:var(--muted);font-size:14px;margin:0}.guide-card .text-link{margin-top:auto;padding-top:17px}.more-row{text-align:center;margin-top:30px}.decision-call{background:var(--green);color:#fff}.decision-call-grid{display:grid;grid-template-columns:1fr auto;gap:55px;align-items:center}.decision-call h2{font:700 clamp(34px,4vw,52px)/1.2 Georgia,"Songti SC",serif;margin:12px 0}.decision-call p{color:#d3e8e2;max-width:760px}.page-hero{background:var(--paper);padding:62px 0 68px;border-bottom:1px solid var(--line)}.page-hero .shell{max-width:1000px}.crumb{font-size:12px;color:var(--muted);margin:0 0 25px}.crumb a{color:var(--green);font-weight:800}.page-hero h1{font:700 clamp(39px,5.2vw,64px)/1.14 Georgia,"Songti SC",serif;letter-spacing:-.04em;max-width:1000px;margin:15px 0 20px}.page-hero .shell>p:last-child{font-size:17px;color:var(--muted);max-width:850px;margin:0}.article-shell{display:grid;grid-template-columns:minmax(0,790px) 260px;gap:70px;justify-content:center;align-items:start}.prose{font-size:17px}.prose h2{font:700 31px/1.35 Georgia,"Songti SC",serif;letter-spacing:-.025em;margin:48px 0 15px}.prose h2:first-child{margin-top:0}.prose h3{font-size:20px;margin:30px 0 10px}.prose p{margin:0 0 19px;color:#344746}.prose ul,.prose ol{padding-left:1.4em}.prose li{margin:10px 0}.toc{position:sticky;top:105px;border-top:5px solid var(--mustard);background:var(--paper);padding:22px;border-radius:0 0 15px 15px;font-size:14px}.toc h3{margin:0 0 12px}.toc a,.toc span{display:block;padding:8px 0;border-bottom:1px solid var(--line)}.toc ul,.toc ol{padding-left:20px}.note{background:#eaf4ef;border-left:5px solid var(--green);padding:22px 24px;border-radius:0 13px 13px 0;margin:35px 0;color:#24413c}.question-list{display:grid;gap:10px}.question-list div{display:grid;grid-template-columns:48px 1fr;gap:15px;align-items:start;background:var(--paper);border-radius:12px;padding:17px}.question-list b{color:var(--coral);font:700 22px Georgia,serif}.question-list p{margin:0}.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:26px}.article-meta span:first-child{color:var(--green);font-weight:800}.standfirst{font-size:21px!important;line-height:1.75;color:var(--ink)!important}.check-list{list-style:none;padding:0!important;display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-list li{position:relative;background:var(--paper);padding:15px 15px 15px 43px;border-radius:10px;margin:0}.check-list li:before{content:"✓";position:absolute;left:16px;color:var(--green);font-weight:900}.process-list{list-style:none;padding:0!important;counter-reset:none}.process-list li{display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;border-bottom:1px solid var(--line);padding:15px 0;margin:0}.process-list span{font:700 22px Georgia,serif;color:var(--coral)}.process-list p{margin:0}.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}.filter{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:9px 15px;font-weight:700;cursor:pointer}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}.compare-wrap{max-width:900px}.compare-intro{max-width:720px;margin-bottom:30px}.compare-intro h2{font:700 36px Georgia,serif;margin:0 0 10px}.worksheet{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;gap:20px}.worksheet>label>span{display:block;font-weight:800;margin-bottom:7px}.worksheet input[type=text],.worksheet input:not([type]),.worksheet textarea{width:100%;background:#fff;border:1px solid #b9c3bd;border-radius:10px;padding:12px 14px;color:var(--ink)}.worksheet input:focus,.worksheet textarea:focus{outline:3px solid rgba(14,115,91,.18);border-color:var(--green)}.worksheet fieldset{border:1px solid #b9c3bd;border-radius:12px;padding:15px 18px}.worksheet legend{font-weight:800;padding:0 8px}.worksheet fieldset label{margin-right:24px}.worksheet-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.worksheet-actions [data-save-state]{font-size:13px;color:var(--green);font-weight:800}.faq-list{max-width:900px}.faq-list details{border-bottom:1px solid var(--line);padding:19px 0}.faq-list summary{cursor:pointer;font:700 21px/1.5 Georgia,"Songti SC",serif}.faq-list p{color:var(--muted);padding-right:50px}.contact-panel{background:var(--paper);padding:25px;border-radius:15px}.contact-panel p{display:grid;grid-template-columns:90px 1fr;margin:10px 0}.contact-panel b{color:var(--green)}.sitemap-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.sitemap-columns>div{border:1px solid var(--line);border-radius:13px;padding:18px}.sitemap-columns a,.link-list a{display:block;padding:7px 0;color:var(--green)}.link-list{columns:2;gap:35px}.empty{display:flex;justify-content:center;gap:12px}.footer{background:var(--ink);color:#fff;padding:65px 0 24px}.footer-grid{display:grid;grid-template-columns:1.45fr .75fr .75fr 1.05fr;gap:45px}.footer h2{font:700 28px Georgia,serif;margin:0 0 12px}.footer h3{font-size:14px;color:var(--mustard);margin:0 0 13px}.footer p{font-size:13px;color:#b8c7c4}.footer a{display:block;color:#dce7e4;font-size:13px;padding:4px 0}.crawl-state{display:inline-block;border:1px solid #4e6862;border-radius:999px;padding:5px 10px;color:#c8d9d5;font-size:11px}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#94aaa5;font-size:11px}
@media(max-width:980px){.primary-nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column;gap:2px}.primary-nav.open{display:flex}.primary-nav a{padding:10px}.nav-toggle{display:block}.home-grid{grid-template-columns:1fr;gap:45px;min-height:auto;padding:70px 0}.decision-board{max-width:650px;transform:none}.criteria-grid,.guide-grid{grid-template-columns:1fr 1fr}.article-shell{grid-template-columns:1fr}.toc{position:static;order:-1}.footer-grid{grid-template-columns:1fr 1fr}.section-title.split{grid-template-columns:1fr;gap:8px}.decision-call-grid{grid-template-columns:1fr}.signal-strip .shell{justify-content:flex-start;overflow:auto;white-space:nowrap}.signal-strip span,.signal-strip b{padding:0 4px}}
@media(max-width:650px){:root{--shell:min(100% - 26px,1180px)}.topbar-inner{min-height:68px}.identity b{font-size:15px}.home-grid{padding:54px 0}.home-grid h1{font-size:49px}.home-grid>div>p{font-size:16px}.decision-board{padding:25px}.section{padding:65px 0}.criteria-grid,.guide-grid,.scene-grid{grid-template-columns:1fr}.criteria-grid article{padding:24px}.section-title h2{font-size:34px}.page-hero{padding:42px 0 50px}.page-hero h1{font-size:38px}.page-hero .shell>p:last-child{font-size:15px}.scene-card{grid-template-columns:46px 1fr;padding:20px;gap:14px}.scene-letter{width:44px;height:44px}.prose{font-size:16px}.prose h2{font-size:27px}.check-list{grid-template-columns:1fr}.worksheet{padding:20px}.worksheet fieldset label{display:block;margin:8px 0}.sitemap-columns{grid-template-columns:1fr}.link-list{columns:1}.footer-grid{grid-template-columns:1fr}.contact-panel p{grid-template-columns:1fr}.hero-actions,.empty{flex-direction:column;align-items:stretch}.button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
:root{--coral-text:#b34428}.eyebrow,.section-title>span,.scene-card>div>p{color:var(--coral-text)}
.decision-call .eyebrow{color:#fff}