:root{--green:#2F7D5B;--pink:#D96C8A;--ink:#1F2A26;--bg:#F7F8F5;--soft:#EEF3EF;--text:#28312D;--muted:#6B756F;--orange:#E58A3A;--line:#DDE5DF;--white:#fff;--shadow:0 18px 45px rgba(31,42,38,.08);--radius:22px;--shell:min(1180px,calc(100% - 36px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.72 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}a:hover{text-decoration:none}button,input,textarea,select{font:inherit}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:99}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,229,223,.92)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:19px;color:var(--ink)}.brand small{margin-top:5px;color:var(--muted);font-size:12px}.primary-nav{display:flex;gap:8px;align-items:center}.primary-nav a{padding:9px 13px;border-radius:999px;color:#52605a;font-weight:650}.primary-nav a[aria-current="page"],.primary-nav a:hover{background:#e0ece4;color:var(--green)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;color:var(--ink)}.lead-stream{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;padding-block:56px 38px}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:"";width:20px;height:3px;border-radius:8px;background:var(--orange)}h1,h2,h3{color:var(--ink);line-height:1.2;margin:0}h1{font-size:clamp(36px,5vw,66px);letter-spacing:-.035em}.lead{font-size:19px;color:#52605a;max-width:660px}.lead-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 18px;border-radius:999px;font-weight:800;border:1px solid transparent;cursor:pointer}.button--primary{background:var(--green);color:#fff}.button--primary:hover{background:#266b4d}.button--quiet{background:#fff;border-color:var(--line);color:var(--ink)}.button--dark{background:var(--ink);color:#fff}.story-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.story-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--soft)}.story-card__body{padding:22px}.story-card__meta{color:var(--green);font-weight:750;font-size:13px;margin-bottom:8px}.story-card h3{font-size:24px}.story-card p{color:var(--muted);margin-bottom:12px}.story-card--feature h3{font-size:30px}.tags{display:flex;gap:7px;flex-wrap:wrap}.tag,.label,.thread-type{display:inline-flex;background:#f2e7eb;color:#93516a;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:750}.section{padding-block:58px}.section--tint{background:var(--soft);margin-top:20px}.section-heading{max-width:780px;margin-bottom:28px}.section-heading h2{font-size:clamp(28px,3.3vw,44px);margin-top:8px}.section-heading p{color:var(--muted);margin:12px 0 0}.split-heading{max-width:none;display:flex;justify-content:space-between;gap:40px;align-items:end}.split-heading>p{max-width:390px}.timeline-list{border-top:1px solid var(--line)}.timeline-item{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.timeline-item time{font-weight:850;color:var(--green)}.timeline-item h3{font-size:21px;margin:7px 0}.timeline-item p{margin:0;color:var(--muted)}.story-grid{display:grid;gap:22px}.story-grid--2{grid-template-columns:repeat(2,1fr)}.story-grid--3{grid-template-columns:repeat(3,1fr)}.section-action{margin-top:22px}.text-link{color:var(--green);font-weight:850}.topic-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.topic-card div{padding:18px}.topic-card h3{font-size:20px}.topic-card p{color:var(--muted);margin-bottom:0}.community-strip{background:#dfeae3}.community-layout{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:center}.community-layout h2{font-size:42px;margin-top:8px}.community-layout p{color:#506059}.community-layout img{border-radius:26px;aspect-ratio:16/10;object-fit:cover}.compact-section{padding-top:40px}.assist-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.assist-grid article{padding:26px;border:1px solid var(--line);background:#fff;border-radius:18px}.assist-grid h2{font-size:26px;margin-top:8px}.assist-grid p{color:var(--muted)}.site-footer{margin-top:60px;background:var(--ink);color:#dce5df;padding:44px 0 22px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px}.footer-grid strong{font-size:22px;color:#fff}.footer-grid p{max-width:650px;color:#adbbb3}.footer-grid nav{display:grid;gap:8px;align-content:start}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:28px;color:#91a097;font-size:13px}.page-shell{padding-top:26px}.breadcrumb ol{display:flex;list-style:none;padding:0;margin:0 0 28px;gap:8px;color:var(--muted);font-size:13px}.breadcrumb li:not(:last-child):after{content:"/";margin-left:8px;color:#aab3ae}.page-intro{padding:22px 0 34px;max-width:900px}.page-intro h1{font-size:clamp(34px,5vw,58px);margin-top:10px}.page-intro>p{font-size:18px;color:var(--muted)}.page-intro--wide{max-width:none;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.page-intro--wide img{grid-column:2;grid-row:1/5;border-radius:26px;aspect-ratio:16/11;object-fit:cover}.page-intro--split{max-width:none;display:grid;grid-template-columns:1fr 420px;gap:44px;align-items:center}.page-intro--split img{border-radius:24px}.content-stack{display:grid;gap:16px;max-width:900px}.deep-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:18px}.deep-card h2{font-size:27px}.deep-card .summary{font-size:17px;color:#4f5d56}.deep-card p:last-child{margin-bottom:0;color:var(--muted)}.related-panel{margin-top:42px;padding:26px;background:var(--soft);border-radius:20px}.related-panel h2{margin-bottom:18px}.topic-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.topic-links a{background:#fff;border:1px solid var(--line);padding:16px;border-radius:14px}.topic-links span{display:block;font-weight:850;color:var(--ink)}.topic-links small{display:block;color:var(--muted);margin-top:6px;line-height:1.45}.feature-band{display:grid;grid-template-columns:380px 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;margin-bottom:24px}.feature-band img{height:100%;min-height:250px;object-fit:cover}.feature-band div{padding:26px 30px 26px 0}.feature-band h2{font-size:30px}.feature-band p{color:var(--muted)}.deep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.thread-list{display:grid;gap:12px}.thread{display:flex;justify-content:space-between;gap:28px;background:#fff;border:1px solid var(--line);padding:24px;border-radius:18px}.thread h2{font-size:24px;margin-top:9px}.thread p{color:var(--muted);margin-bottom:0}.thread>a{align-self:center;white-space:nowrap;color:var(--green);font-weight:850}.section-mini{margin-top:34px;padding:30px;background:#fff;border:1px solid var(--line);border-radius:20px}.section-mini h2{font-size:28px}.section-mini--accent{border-left:5px solid var(--orange)}.check-list{columns:2;gap:36px;padding-left:22px}.check-list li{margin:9px 0}.app-hero{display:grid;grid-template-columns:1fr 420px;gap:46px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:36px}.app-hero h1{font-size:50px;margin-top:9px}.app-hero p{color:var(--muted);font-size:18px}.app-hero img{border-radius:22px}.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}.feature-list article{padding:24px;background:var(--soft);border-radius:18px}.feature-list h2{font-size:23px}.feature-list p{color:var(--muted);margin-bottom:0}.mobile-note{display:grid;grid-template-columns:420px 1fr;gap:34px;align-items:center;margin-top:26px}.mobile-note img{border-radius:22px}.mobile-note h2{font-size:32px}.mobile-note p{color:var(--muted)}.faq-block{margin-top:42px}.faq-block h2{font-size:34px}.faq-block details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-top:10px;padding:16px 18px}.faq-block summary{cursor:pointer;font-weight:800}.faq-block p{color:var(--muted)}.narrow-page{max-width:900px}.wide-image{border-radius:24px;margin-bottom:28px;width:100%;aspect-ratio:16/7;object-fit:cover}.prose{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}.prose h2{font-size:27px;margin-top:26px}.prose h2:first-child{margin-top:0}.prose p{color:#54615b}.feedback-form{display:grid;gap:18px;background:#fff;border:1px solid var(--line);padding:28px;border-radius:20px}.feedback-form label{display:grid;gap:8px;font-weight:800}.feedback-form select,.feedback-form textarea{border:1px solid #cbd6cf;border-radius:12px;padding:12px;background:#fff;color:var(--text)}.feedback-form textarea{resize:vertical}.notice{padding:15px 18px;border-radius:12px;margin-bottom:18px}.notice.success{background:#e5f2e9;color:#236443}.notice.error{background:#f7e7e9;color:#8b3c4e}.not-found{text-align:center;padding:80px 0}.not-found>span{font-size:90px;font-weight:900;color:var(--green);line-height:1}.not-found h1{font-size:46px;margin:12px 0}.not-found>p{color:var(--muted)}:focus-visible{outline:3px solid rgba(229,138,58,.65);outline-offset:3px}@media(max-width:900px){.primary-nav{display:none;position:absolute;top:70px;right:18px;left:18px;background:#fff;border:1px solid var(--line);padding:12px;border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.menu-toggle{display:block}.lead-stream,.community-layout,.page-intro--wide,.page-intro--split,.app-hero,.mobile-note{grid-template-columns:1fr}.page-intro--wide img{grid-column:auto;grid-row:auto}.story-grid--3,.feature-list{grid-template-columns:1fr 1fr}.deep-grid{grid-template-columns:1fr}.feature-band{grid-template-columns:1fr}.feature-band div{padding:0 24px 24px}.topic-links{grid-template-columns:1fr}.app-hero{padding:26px}.app-hero h1{font-size:42px}.mobile-note img{max-width:520px}.footer-grid{grid-template-columns:1fr}}@media(max-width:620px){:root{--shell:min(100% - 24px,1180px)}.header-inner{min-height:68px}.brand small{display:none}.lead-stream{padding-top:34px;gap:26px}.lead-stream h1{font-size:40px}.lead{font-size:17px}.split-heading{display:block}.timeline-item{grid-template-columns:58px 1fr;gap:14px}.story-grid--2,.story-grid--3,.assist-grid,.feature-list{grid-template-columns:1fr}.section{padding-block:42px}.community-layout h2{font-size:34px}.page-intro h1,.app-hero h1{font-size:37px}.page-intro--split{gap:20px}.thread{display:block}.thread>a{display:inline-block;margin-top:12px}.check-list{columns:1}.feature-band img{min-height:180px}.footer-grid{gap:18px}.footer-grid nav{grid-template-columns:repeat(3,auto);gap:12px}.deep-card{padding:22px}.not-found h1{font-size:36px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.guide-index{display:flex;gap:9px;flex-wrap:wrap;margin:2px 0 26px}.guide-index a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--green);font-weight:750;font-size:14px}.guide-prose h3{font-size:21px;margin-top:20px}.guide-prose ul{padding-left:22px;color:#54615b}.guide-prose li{margin:7px 0}.faq-block--page{margin-top:0}.faq-block--page details{padding:18px 20px}.footer-grid nav{grid-template-columns:repeat(2,minmax(120px,1fr));column-gap:22px}@media(max-width:620px){.footer-grid nav{grid-template-columns:repeat(2,1fr)}}