:root {
  --green:#2F7D5B; --pink:#D96C8A; --ink:#1F2A26; --bg:#F7F8F5; --soft:#EEF3EF;
  --text:#28312D; --muted:#6B756F; --orange:#E58A3A; --white:#fff; --line:#D9E2DC;
  --radius:18px; --shadow:0 16px 40px rgba(31,42,38,.08); --shell:min(1180px,calc(100% - 32px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.68}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button,input{font:inherit}.shell{width:var(--shell);margin-inline:auto}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,245,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,226,220,.8)}.header-inner{width:var(--shell);margin:auto;min-height:78px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:44px;height:44px;border-radius:13px;object-fit:cover}.brand span{display:grid;line-height:1.15}.brand strong{font-size:1.05rem;color:var(--ink)}.brand small{color:var(--muted);margin-top:5px}.primary-nav{display:flex;justify-content:center;gap:6px}.primary-nav a{padding:10px 13px;border-radius:999px;color:var(--muted);font-weight:700;font-size:.95rem}.primary-nav a[aria-current="page"],.primary-nav a:hover{background:var(--soft);color:var(--green)}.quick-search{display:flex;border:1px solid var(--line);border-radius:999px;background:#fff;overflow:hidden}.quick-search input{width:150px;border:0;outline:0;padding:9px 4px 9px 14px;background:transparent}.quick-search button{border:0;background:var(--ink);color:#fff;padding:0 14px;cursor:pointer}.menu-toggle{display:none}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:800;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}.eyebrow::before{content:"";width:18px;height:3px;border-radius:99px;background:currentColor}.lead-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center;padding:58px 0 46px}.lead-copy h1{font-size:clamp(2.35rem,5vw,4.7rem);line-height:1.04;letter-spacing:-.04em;margin:.5rem 0 1.2rem;color:var(--ink)}.lead-text{font-size:1.08rem;max-width:650px;color:#48534e}.lead-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:12px;font-weight:800;border:1px solid transparent}.button.primary{background:var(--green);color:#fff}.button.primary:hover{background:#25694c;color:#fff}.button.secondary{background:#fff;border-color:var(--line);color:var(--ink)}.pulse-list{display:flex;flex-wrap:wrap;gap:9px}.pulse-list a{font-size:.9rem;background:var(--soft);padding:7px 10px;border-radius:999px;color:#52615a}.lead-visual{position:relative}.lead-visual img{width:100%;aspect-ratio:1.35;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}.visual-note{position:absolute;right:18px;bottom:18px;background:rgba(31,42,38,.9);color:#fff;padding:13px 16px;border-radius:14px;display:grid;gap:3px}.visual-note span{font-size:.84rem;color:#dce6e0}.content-shell{padding:34px 0 58px}.section-heading{margin-bottom:24px}.section-heading h2{margin:.25rem 0 .4rem;font-size:clamp(1.7rem,3vw,2.65rem);line-height:1.16;color:var(--ink)}.section-heading p{color:var(--muted);margin:0;max-width:720px}.section-heading.horizontal{display:flex;justify-content:space-between;gap:28px;align-items:end}.section-heading.horizontal>p{max-width:470px}.feed-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px}.feed-main{display:grid;gap:2px}.story-card{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}.story-card:first-child{border-top:0}.story-thumb img{width:100%;aspect-ratio:1.38;object-fit:cover;border-radius:14px}.story-body h3{font-size:1.18rem;line-height:1.34;margin:.4rem 0}.story-body p{margin:.35rem 0 .8rem;color:#56615c}.story-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:.82rem}.story-meta span{color:var(--pink);font-weight:800}.tag-row{display:flex;flex-wrap:wrap;gap:7px}.tag{background:var(--soft);color:#59665f;border-radius:999px;padding:4px 8px;font-size:.76rem}.featured-card{grid-template-columns:260px 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p{margin:0;color:var(--muted);font-size:.88rem}.utility-band{margin-bottom:78px;padding:30px;border-radius:24px;background:linear-gradient(135deg,#eaf3ee,#f7ecef);display:flex;justify-content:space-between;align-items:center;gap:30px}.utility-band h2{margin:.4rem 0}.utility-band p{margin:0;color:#53615b}.utility-links{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}.utility-links a{background:#fff;padding:10px 13px;border-radius:10px;font-weight:800}.site-footer{background:var(--ink);color:#dfe7e2;margin-top:50px}.footer-grid{width:var(--shell);margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:54px;padding:48px 0}.footer-grid strong{font-size:1.4rem;color:#fff}.footer-grid p{max-width:520px;color:#aebbb4}.footer-grid h2{font-size:.92rem;color:#fff}.footer-grid>div:not(:first-child){display:grid;align-content:start;gap:8px}.footer-grid a{color:#c8d3cd}.footer-bottom{width:var(--shell);margin:auto;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 28px;display:flex;justify-content:space-between;color:#9eaaa4;font-size:.86rem}.page-main{padding-top:28px;padding-bottom:70px}.breadcrumbs ol{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.84rem}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#adb7b1}.page-intro,.community-hero,.app-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center;padding:28px 0 48px}.page-intro h1,.community-hero h1,.app-hero h1,.prose-page header h1,.search-head h1{font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.08;margin:.45rem 0 1rem;color:var(--ink)}.page-intro p,.community-hero p,.app-hero p,.prose-page header p{font-size:1.05rem;color:#53605a}.page-intro img,.community-hero img,.app-hero img{width:100%;aspect-ratio:1.3;object-fit:cover;border-radius:24px}.intro-pink{background:linear-gradient(135deg,transparent,#f7e8ed);border-radius:28px;padding:32px}.intro-dark{background:var(--ink);color:#fff;border-radius:28px;padding:32px}.intro-dark h1{color:#fff}.intro-dark p{color:#cbd6d0}.intro-dark .eyebrow{color:#eda3b8}.article-index{padding:46px 0}.index-list article{display:grid;grid-template-columns:80px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}.index-list h3{font-size:1.25rem;margin:0 0 6px}.index-list p{margin:0 0 10px;color:var(--muted)}.index-date{color:var(--pink);font-weight:900}.method-grid{display:grid;grid-template-columns:280px 1fr;gap:34px;padding:34px;background:var(--soft);border-radius:24px}.method-grid h2{font-size:1.8rem;margin:.35rem 0}.method-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.method-cards article{background:#fff;border-radius:16px;padding:18px}.method-cards strong{color:var(--green)}.method-cards p{margin:.45rem 0 0;color:var(--muted)}.masonry-copy{columns:2;column-gap:22px;padding:42px 0}.masonry-item{break-inside:avoid;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:22px}.masonry-item h2{font-size:1.45rem;line-height:1.3}.masonry-item p{color:var(--muted)}.boundary-note{display:flex;justify-content:space-between;gap:28px;align-items:center;background:#fff1e4;border:1px solid #f0d0b2;padding:24px 28px;border-radius:18px}.boundary-note h2{margin:0 0 6px}.boundary-note p{margin:0;color:#705a47}.boundary-note a{font-weight:800;color:#9c5b21;white-space:nowrap}.community-hero{background:linear-gradient(135deg,#edf5f0,#f8eef1);border-radius:28px;padding:32px}.thread-board{margin:46px 0;border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden}.thread-head{display:flex;justify-content:space-between;padding:16px 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article{display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;align-items:center;background:var(--soft);border-radius:20px;padding:22px}.mobile-guide article:nth-child(even){grid-template-columns:1.3fr .7fr}.mobile-guide img{width:100%;aspect-ratio:1.5;object-fit:cover;border-radius:14px}.mobile-guide h2{margin:0 0 8px}.mobile-guide p{margin:0;color:var(--muted)}.app-note{background:#fff1e4;border-radius:18px;padding:24px}.app-note h2{margin-top:0}.app-note p{margin-bottom:0}.article-page{padding-top:28px}.article-body{max-width:820px;margin:0 auto}.article-body header h1{font-size:clamp(2.2rem,4.7vw,4.1rem);line-height:1.08;letter-spacing:-.03em;color:var(--ink);margin:.5rem 0 1rem}.article-deck{font-size:1.15rem;color:#53605a}.article-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:var(--muted);font-size:.86rem}.article-meta span{background:var(--soft);padding:4px 8px;border-radius:999px}.article-cover{width:100%;max-height:560px;object-fit:cover;border-radius:24px;margin:30px 0}.article-copy{font-size:1.05rem}.article-copy p{margin:0 0 1.35em}.article-copy h2{font-size:1.75rem;margin-top:2.2em}.article-copy li{margin:.55rem 0}.related-block{max-width:1000px;margin:60px auto 0;padding-top:28px;border-top:1px solid var(--line)}.related-block h2{font-size:1.7rem}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-grid a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.related-grid strong{display:block;line-height:1.35}.related-grid span{display:block;color:var(--muted);font-size:.86rem;margin-top:7px}.search-head{max-width:780px;padding:20px 0 36px}.search-head form label{display:block;font-weight:800;margin-bottom:8px}.search-head form div{display:flex;border:1px solid var(--line);background:#fff;border-radius:13px;overflow:hidden}.search-head input{flex:1;border:0;padding:12px 14px;outline:0}.search-head button{border:0;background:var(--green);color:#fff;padding:0 18px;font-weight:800}.search-results{max-width:850px}.result-count{margin-bottom:14px;color:var(--muted)}.empty-state{background:#fff;border:1px solid var(--line);padding:24px;border-radius:16px;color:var(--muted)}.prose-page{max-width:900px}.prose-page header{padding:22px 0}.prose-page section{padding:22px 0;border-top:1px solid var(--line)}.prose-page h2{font-size:1.55rem}.prose-page p{color:#4f5c56}.inline-links{display:flex;flex-wrap:wrap;gap:10px}.inline-links a{padding:9px 12px;border-radius:10px;background:var(--soft);font-weight:800}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.contact-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.contact-grid h2{margin-top:0}.not-found{min-height:58vh;padding:90px 0}.not-found h1{font-size:clamp(2.4rem,5vw,4.7rem);margin:.5rem 0 1rem;color:var(--ink)}.not-found p{max-width:640px;font-size:1.1rem;color:var(--muted)}:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media (max-width:920px){.header-inner{grid-template-columns:auto auto 1fr;gap:12px}.menu-toggle{display:inline-flex;justify-self:end;border:1px solid var(--line);background:#fff;padding:8px 11px;border-radius:9px}.primary-nav{position:absolute;left:16px;right:16px;top:72px;display:none;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.quick-search{justify-self:end}.lead-grid,.page-intro,.community-hero,.app-hero{grid-template-columns:1fr}.feed-grid{grid-template-columns:1fr}.topic-rail{order:-1}.sticky-card{position:static}.split-layout{grid-template-columns:1fr}.feature-image img{min-height:340px}.method-grid,.discussion-rules{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:28px}}
@media (max-width:700px){:root{--shell:min(100% - 22px,1180px)}.header-inner{min-height:68px;grid-template-columns:1fr auto}.brand small{display:none}.quick-search{display:none}.lead-grid{padding-top:36px}.lead-copy h1{font-size:2.55rem}.lead-visual img{border-radius:20px}.section-heading.horizontal{display:block}.section-heading.horizontal>p{margin-top:10px}.story-card,.featured-card{grid-template-columns:110px 1fr;padding:16px 0;background:transparent;box-shadow:none;border-radius:0}.story-card .story-body p{display:none}.story-thumb img{aspect-ratio:1}.compact-columns{grid-template-columns:1fr}.utility-band{align-items:flex-start;flex-direction:column}.utility-links{justify-content:flex-start}.split-feature{padding:38px 0}.feature-image img{min-height:270px}.footer-grid{grid-template-columns:1fr;gap:20px}.footer-bottom{display:grid;gap:6px}.page-intro,.community-hero,.app-hero{padding:22px}.page-intro h1,.community-hero h1,.app-hero h1,.prose-page header h1,.search-head h1{font-size:2.35rem}.method-cards{grid-template-columns:1fr}.masonry-copy{columns:1}.boundary-note{align-items:flex-start;flex-direction:column}.thread-item{grid-template-columns:1fr}.mobile-guide article,.mobile-guide article:nth-child(even){grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 18px;margin:10px 0}.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);padding:16px 0}.faq-list details[open] summary{color:var(--green)}.faq-list details p{margin:0;padding:0 0 17px;color:var(--muted)}
.guide-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px}.guide-hero h1{font-size:clamp(2.2rem,4.4vw,4rem);line-height:1.08;margin:.45rem 0 1rem;color:var(--ink)}.guide-hero p{font-size:1.05rem;color:var(--muted)}.guide-hero img{width:100%;aspect-ratio:1.4;object-fit:cover;border-radius:20px}.term-index{display:flex;flex-wrap:wrap;gap:8px;padding:28px 0}.term-index a{background:var(--soft);border:1px solid #dbe5df;border-radius:999px;padding:7px 10px;font-size:.84rem;font-weight:750}.term-list{border-top:1px solid var(--line)}.term-list article{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}.term-number{font-size:1.35rem;font-weight:900;color:var(--pink)}.term-list h2{margin:0 0 7px;color:var(--ink);font-size:1.45rem}.term-list p{margin:0 0 11px;color:#53605a}.check-line{background:#fff;padding:13px 15px;border-radius:12px;border-left:4px solid var(--green);color:var(--muted)}.check-line strong{color:var(--ink)}.guide-next{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;background:var(--ink);color:#fff;margin-top:38px;padding:28px;border-radius:20px}.guide-next .eyebrow{color:#a8d4bf}.guide-next h2{margin:.4rem 0}.guide-next p{margin:0;color:#c7d2cc}.guide-next>div:last-child{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}.guide-next a{background:#fff;color:var(--ink);padding:9px 12px;border-radius:10px;font-weight:800}@media(max-width:700px){.guide-hero,.guide-next{grid-template-columns:1fr}.term-list article{grid-template-columns:45px 1fr}.guide-next>div:last-child{justify-content:flex-start}}