:root{--green:#2F7D5B;--pink:#D96C8A;--ink:#1F2A26;--bg:#F7F8F5;--soft:#EEF3EF;--text:#28312D;--muted:#6B756F;--accent:#E58A3A;--white:#fff;--line:#dfe7e1;--shadow:0 16px 44px rgba(31,42,38,.09);--radius:22px;--small-radius:14px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}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:min(calc(100% - 40px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:40;background:rgba(247,248,245,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(47,125,91,.12)}.header-row{min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:220px}.brand img{width:42px;height:42px;border-radius:12px;object-fit:cover;background:var(--soft)}.brand span{display:grid;line-height:1.15}.brand strong{font-size:1.1rem;color:var(--ink)}.brand small{margin-top:5px;color:var(--muted);font-size:.76rem}.primary-nav{margin-left:auto;display:flex;gap:6px;align-items:center}.primary-nav a{padding:10px 13px;border-radius:999px;font-size:.93rem;color:#445149}.primary-nav a[aria-current=page],.primary-nav a:hover{background:var(--soft);color:var(--green)}.menu-button{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;color:var(--ink)}.lead{display:grid;grid-template-columns:minmax(0,1.17fr) minmax(320px,.83fr);gap:48px;align-items:center;padding-block:54px 44px}.lead__copy{padding:20px 0}.eyebrow{margin:0 0 8px;color:var(--green);font-weight:800;font-size:.78rem;letter-spacing:.08em}.lead h1,.subhero h1,.article-header h1{margin:0;color:var(--ink);line-height:1.16;letter-spacing:-.035em}.lead h1{font-size:clamp(2.3rem,5vw,4.6rem);max-width:11ch}.lead__intro{max-width:710px;margin:22px 0 0;font-size:1.08rem;color:#4b5851}.lead__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:0 18px;background:var(--green);border:1px solid var(--green);border-radius:12px;color:#fff;font-weight:700}.button:hover{color:#fff;filter:brightness(.95)}.button--ghost{background:transparent;color:var(--green)}.button--ghost:hover{background:var(--soft);color:var(--green)}.button--soft{background:var(--soft);color:var(--green);border-color:transparent}.button--soft:hover{color:var(--green);background:#e2ece5}.quick-index{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.quick-index a{font-size:.88rem;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff}.lead__visual{margin:0;position:relative}.lead__visual img{width:100%;aspect-ratio:4/4.6;object-fit:cover;border-radius:30px;box-shadow:var(--shadow);background:var(--soft)}.lead__visual:before{content:"";position:absolute;inset:-15px 24px 38px -18px;border:1px solid rgba(217,108,138,.4);border-radius:34px;z-index:-1}.lead__visual figcaption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(31,42,38,.82);color:#fff;padding:12px 14px;border-radius:13px;font-size:.86rem}.section-block{padding-block:46px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:24px}.section-heading h2,.compact-columns h2,.assist-strip h2,.cross-links h2,.note-panel h2{margin:0;color:var(--ink);font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.25}.section-heading>p{margin:0;max-width:480px;color:var(--muted);font-size:.92rem}.section-heading--tight{margin-bottom:14px}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.feature-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.story-card{display:grid;grid-template-columns:190px minmax(0,1fr);overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:230px}.feature-grid--three .story-card{display:block}.story-card__media{display:block;min-height:100%}.story-card__media img{width:100%;height:100%;object-fit:cover;background:var(--soft)}.feature-grid--three .story-card__media img{aspect-ratio:16/10;height:auto}.story-card__body{padding:20px}.story-card h3{margin:0 0 8px;font-size:1.11rem;line-height:1.35;color:var(--ink)}.story-card p:not(.eyebrow){margin:0;color:#59655f;font-size:.89rem}.tag-list{list-style:none;padding:0;margin:15px 0 0;display:flex;flex-wrap:wrap;gap:7px}.tag-list li{padding:4px 8px;border-radius:999px;background:var(--soft);color:#587064;font-size:.73rem}.wide-band{background:var(--soft);border-block:1px solid #dce8df;margin:44px 0}.split-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.5fr);gap:34px;padding-block:48px}.story-list{display:grid}.story-list__item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;padding:21px 0;border-top:1px solid #d9e5dc}.story-list__item:first-child{border-top:0}.story-list__item h3{margin:0 0 6px;font-size:1.14rem;line-height:1.4;color:var(--ink)}.story-list__item p:not(.eyebrow){margin:0;color:#5f6964;font-size:.9rem}.text-link{align-self:center;color:var(--green);font-weight:750;font-size:.9rem;white-space:nowrap}.text-link:after{content:" →"}.note-panel{align-self:start;position:sticky;top:100px;background:#fff;border-radius:24px;padding:20px;border:1px solid var(--line);box-shadow:0 12px 30px rgba(31,42,38,.05)}.note-panel img{border-radius:16px;aspect-ratio:16/10;object-fit:cover;margin-bottom:18px}.note-panel h2{font-size:1.35rem}.note-panel ol{padding-left:1.25rem;color:#56645d}.note-panel a{display:inline-block;margin-top:5px;color:var(--green);font-weight:700}.compact-columns{display:grid;grid-template-columns:1fr 1fr;gap:56px}.compact-columns>div>p:not(.eyebrow){color:var(--muted);max-width:560px}.compact-columns .story-list__item{grid-template-columns:1fr}.compact-columns .text-link{justify-self:start}.assist-strip{margin-block:44px 70px;padding:28px 30px;background:linear-gradient(135deg,#1F2A26,#29443a);color:#fff;border-radius:28px;display:flex;justify-content:space-between;gap:40px;align-items:center}.assist-strip .eyebrow{color:#efadbf}.assist-strip h2{color:#fff}.assist-strip p{margin:8px 0 0;color:#dbe5df;max-width:730px}.assist-actions{display:grid;gap:10px;min-width:240px}.assist-actions a{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);padding:10px 12px;border-radius:11px}.assist-actions a:hover{background:rgba(255,255,255,.14);color:#fff}.subhero{background:linear-gradient(180deg,#edf4ef 0,#f7f8f5 100%);border-bottom:1px solid var(--line)}.subhero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;padding-block:54px}.subhero h1{font-size:clamp(2.1rem,4vw,4rem);max-width:14ch}.subhero p:not(.eyebrow){max-width:720px;color:#56625c;font-size:1.03rem}.subhero img{width:100%;max-height:390px;aspect-ratio:4/3;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}.cross-links{margin-block:10px 70px;padding:24px 0;border-top:1px solid var(--line)}.cross-links h2{font-size:1.2rem;margin-bottom:12px}.cross-links div{display:flex;flex-wrap:wrap;gap:10px}.cross-links a{background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:10px}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-bottom:24px}.breadcrumbs a{color:var(--green)}.article-page{padding-block:42px}.article-header{max-width:860px;margin-inline:auto;text-align:left}.article-header h1{font-size:clamp(2rem,4vw,3.8rem)}.article-deck{font-size:1.1rem;color:#5a665f;max-width:800px}.article-image{max-width:980px;margin:32px auto}.article-image img{width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:26px;background:var(--soft)}.article-body{max-width:760px;margin:auto;font-size:1.02rem}.article-body h2{margin:36px 0 10px;color:var(--ink);font-size:1.45rem}.article-body p{color:#425048}.reading-note{margin-top:32px;padding:20px 22px;border-left:4px solid var(--pink);background:#fff;border-radius:0 16px 16px 0}.reading-note p{margin:6px 0 0;font-size:.93rem}.error-page{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:760px}.error-page h1{font-size:clamp(2rem,5vw,4rem);margin:0;color:var(--ink)}.site-footer{background:var(--ink);color:#dfe7e2;padding:46px 0 18px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:40px}.footer-grid strong{font-size:1.3rem;color:#fff}.footer-grid p{max-width:560px;color:#aebbb4}.footer-grid h2{font-size:.9rem;color:#fff;margin:0 0 10px}.footer-grid a{display:block;color:#c7d3cd;padding:4px 0;font-size:.88rem}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:16px;display:flex;justify-content:space-between;gap:20px;color:#8fa098;font-size:.78rem}@media(max-width:1000px){.feature-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}.lead{grid-template-columns:1fr .8fr}.lead h1{font-size:clamp(2.2rem,6vw,3.8rem)}.split-layout{grid-template-columns:1fr}.note-panel{position:static}.subhero__grid{grid-template-columns:1fr .75fr}}@media(max-width:820px){.shell{width:min(calc(100% - 28px),var(--max))}.menu-button{display:block}.primary-nav{position:absolute;top:68px;left:14px;right:14px;margin:0;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;display:none;flex-direction:column;align-items:stretch}.primary-nav[data-open=true]{display:flex}.primary-nav a{border-radius:10px}.lead{grid-template-columns:1fr;padding-top:34px}.lead__visual{max-width:620px}.lead__visual img{aspect-ratio:16/9}.lead h1{max-width:14ch}.section-heading{align-items:flex-start;flex-direction:column;gap:8px}.feature-grid,.feature-grid--three{grid-template-columns:1fr}.story-card{grid-template-columns:160px 1fr}.compact-columns{grid-template-columns:1fr;gap:34px}.assist-strip{align-items:flex-start;flex-direction:column}.assist-actions{width:100%;min-width:0}.subhero__grid{grid-template-columns:1fr}.subhero img{max-height:300px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:560px){.header-row{min-height:66px}.brand{min-width:0}.brand small{display:none}.lead{padding-block:24px 30px;gap:26px}.lead__copy{padding:0}.lead h1{font-size:2.45rem}.lead__visual:before{display:none}.lead__visual figcaption{position:static;border-radius:0 0 16px 16px}.lead__visual img{border-radius:18px 18px 0 0}.section-block{padding-block:34px}.story-card{display:block}.story-card__media img{aspect-ratio:16/9;height:auto}.story-list__item{grid-template-columns:1fr;gap:10px}.wide-band{margin-block:30px}.split-layout{padding-block:32px}.compact-columns{gap:24px}.assist-strip{margin-block:30px 45px;border-radius:20px;padding:22px}.subhero__grid{padding-block:34px;gap:28px}.subhero h1{font-size:2.35rem}.article-page{padding-block:28px}.article-image{margin-inline:-14px}.article-image img{border-radius:0;aspect-ratio:16/9}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

.long-guide{padding-block:30px 60px}.guide-chapter{display:grid;grid-template-columns:84px minmax(0,780px);gap:28px;justify-content:center;padding:42px 0;border-bottom:1px solid var(--line)}.guide-chapter:last-child{border-bottom:0}.chapter-number{font-size:2.1rem;line-height:1;font-weight:900;color:#bfd1c5;letter-spacing:-.05em;padding-top:5px}.guide-chapter h2{margin:0 0 16px;color:var(--ink);font-size:clamp(1.5rem,3vw,2.35rem);line-height:1.28}.guide-chapter h3{margin:28px 0 8px;color:var(--ink);font-size:1.08rem}.guide-chapter p{margin:0 0 16px;color:#46534c}.guide-chapter ul,.guide-chapter ol{padding-left:1.25rem;color:#46534c}.guide-chapter li{margin:9px 0}.guide-callout{margin-top:28px;padding:18px 20px;border-radius:16px;background:#eaf3ed;border:1px solid #d4e4d8;color:#355344}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}.check-grid>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.check-grid strong{color:var(--ink)}.check-grid p{margin:5px 0 0;font-size:.9rem;color:var(--muted)}@media(max-width:720px){.guide-chapter{grid-template-columns:1fr;gap:10px;padding:32px 0}.chapter-number{font-size:1.35rem}.check-grid{grid-template-columns:1fr}}
.faq-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding-block:42px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.faq-item h2{margin:0 0 12px;font-size:1.15rem;line-height:1.42;color:var(--ink)}.faq-item p:not(.eyebrow){margin:0 0 10px;color:#526059;font-size:.92rem}.faq-item p:last-child{margin-bottom:0}.faq-summary{margin-bottom:70px;padding:28px 30px;background:#edf4ef;border:1px solid #dce8df;border-radius:24px}.faq-summary h2{margin:0;color:var(--ink);font-size:clamp(1.5rem,3vw,2.2rem)}.faq-summary>p:not(.eyebrow){max-width:800px;color:#526059}@media(max-width:760px){.faq-layout{grid-template-columns:1fr;padding-block:30px}.faq-summary{margin-bottom:45px;padding:22px}}