:root{--bg:#D7E4E6;--deep:#C4D4D6;--card:#F3F7F7;--card2:#E4EEEF;--ink:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--quiet:#6A8084;--accent:#4A8A8C;--sand:#C4A070;--border:rgba(30,44,46,.14);--focus:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08);--max:980px}*{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","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:99;background:var(--ink);color:var(--card);padding:10px 14px;border-radius:6px}.skip-link:focus{top:12px}.top-shell{position:fixed;inset:0 0 auto 0;z-index:50}.top-strip{height:20px;background:var(--ink);color:var(--card);font-size:12px}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-button,.icon-button,.menu-button{border:0;background:transparent;color:inherit;cursor:pointer}.plain-button{min-height:20px;padding:0 8px}.brand-bar{height:54px;background:var(--card);border-bottom:1px solid var(--border)}.brand-bar-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:flex;align-items:center;min-height:44px}.site-logo{display:block;max-width:180px;height:24px;width:auto;object-fit:contain;object-position:center}.brand-text{font-weight:700;color:var(--ink);font-size:16px}.brand-actions{display:flex;align-items:center;gap:8px}.small-link,.menu-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 13px;border-radius:8px}.small-link{border:1px solid var(--accent);color:var(--ink);background:var(--card)}.menu-button{color:var(--card);background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%)}.section-nav{background:var(--card);border-bottom:1px solid var(--border)}.section-nav-inner{display:flex;flex-direction:column;align-items:flex-start;padding:8px 0}.section-nav a{height:34px;display:flex;align-items:center;padding:0 0 0 14px;position:relative;color:var(--ink);min-width:120px}.section-nav a.is-active:before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;background:var(--accent)}.site-main{padding-top:218px;min-height:70vh;padding-bottom:56px}.hero,.section,.page-head{width:min(var(--max),calc(100% - 32px));margin:0 auto 24px}.page-head{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:28px;box-shadow:var(--shadow)}h1,h2,h3{color:var(--ink);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.4;margin-bottom:10px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:17px;color:var(--ink);font-weight:700}.eyebrow{color:var(--accent);font-weight:700;font-size:13px;margin-bottom:8px}.index-lines{display:grid;gap:7px;margin-bottom:22px}.index-lines a{display:inline-flex;width:max-content;max-width:100%;padding:6px 10px;background:var(--card2);border-left:3px solid var(--accent);border-radius:0 6px 6px 0}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:8px;font-size:14px;border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--card)}.btn-secondary{background:var(--card);border-color:var(--accent);color:var(--ink)}.btn:hover,.btn:focus-visible,.small-link:hover,.small-link:focus-visible,.menu-button:hover,.menu-button:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.panel{background:var(--card);border:1px solid var(--border);border-radius:9px;padding:22px;box-shadow:var(--shadow)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.news-strip{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:12px}.news-strip article,.stack-cards article,.topic-list article{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px}.stack-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.topic-list{display:grid;gap:12px}.state-list{display:grid;gap:10px}.state-item{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:16px}.state{font-weight:700;color:var(--accent)}.memo-list{display:grid;gap:12px}.memo-list section{background:var(--card);border-left:4px solid var(--accent);padding:18px;border-radius:0 8px 8px 0}.center-card{max-width:760px;margin:0 auto 18px;text-align:center}.article-flow{display:grid;gap:18px}.article-flow section{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:22px}.article-flow section:nth-child(even){background:var(--card2)}.quote-band{border-left:4px solid var(--sand);padding:14px 18px;background:var(--card)}.image-slot{background:var(--deep);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:visible}.image-slot img{display:block;max-width:100%;height:100%;width:auto;object-fit:contain;object-position:center}.slot-168{height:168px}.slot-200{height:200px}.slot-240{height:240px}.slot-320{height:320px}.app-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:start}.app-icons{display:flex;gap:12px;align-items:center;margin-top:14px}.app-icons img{width:48px;height:48px;object-fit:contain}.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:8px}.site-footer{background:#162022;color:#D7E4E6;border-top:1px solid rgba(74,138,140,.42);padding:34px 0 72px}.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px}.footer-logo-link{display:flex;align-items:center}.footer-brand strong,.footer-brand span{display:block}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:14px;color:#F3F7F7}.footer-grid a{display:block;font-size:13px;padding:4px 0;color:#D7E4E6}.footer-note,.footer-copy{font-size:13px;color:#D7E4E6;margin-top:22px}.overlay{position:fixed;inset:0;background:rgba(22,32,34,.45);z-index:69;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;left:16px;bottom:16px;z-index:70;width:min(360px,88vw);max-height:480px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);transform:translateY(24px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;overflow:auto}.drawer.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--card);display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--border);z-index:1}.drawer-brand{display:flex;align-items:center;gap:10px}.icon-button{min-width:44px;min-height:44px;padding:0 10px;border:1px solid var(--border);border-radius:8px;color:var(--ink)}.drawer-groups{padding:14px}.drawer-groups h2{font-size:14px;margin:8px 0}.drawer-groups a{display:grid;gap:1px;padding:10px;border-radius:8px}.drawer-groups a:hover{background:var(--card2)}.drawer-groups span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:71;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(var(--max),calc(100% - 32px));margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:0 0 10px 10px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;align-items:center}.search-card label{display:block;margin-bottom:6px;color:var(--ink)}.search-card input{width:100%;min-height:44px;border:1px solid var(--border);border-radius:8px;padding:0 12px;background:#fff;color:var(--ink)}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-links a{padding:8px 12px;border:1px solid var(--accent);border-radius:999px;min-height:40px;display:inline-flex;align-items:center}.mobile-nav{display:none}.legal-list{display:grid;gap:14px}.legal-list section{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:20px}.banner-slot{height:200px;background:var(--deep);display:flex;align-items:center;justify-content:center;border-radius:8px;margin-bottom:20px}.banner-slot img{max-width:100%;height:100%;width:auto;object-fit:contain}.subtle{color:var(--muted)}.columns-report{display:grid;grid-template-columns:1fr 1fr;gap:18px}.columns-report .panel:nth-child(2){margin-top:36px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.timeline article{background:var(--card);padding:20px;border:1px solid var(--border);border-radius:8px}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.method-grid article{background:var(--card);padding:20px;border:1px solid var(--border);border-radius:8px}.service-card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:22px;margin-bottom:16px}
@media (max-width:760px){.section-nav{display:none}.site-main{padding-top:90px;padding-bottom:82px}.top-strip,.top-strip-inner{height:20px}.brand-bar,.brand-bar-inner{height:54px}.wrap{width:min(var(--max),calc(100% - 32px))}.brand-actions{gap:4px}.small-link,.menu-button{padding:0 10px}.two-col,.news-strip,.stack-cards,.app-layout,.columns-report,.method-grid,.timeline{grid-template-columns:1fr}.columns-report .panel:nth-child(2){margin-top:0}.page-head{padding:22px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border-top:1px solid var(--border)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-nav a.is-active{background:var(--accent);color:var(--card)}.site-footer{padding-bottom:90px}.footer-grid{grid-template-columns:repeat(2,1fr)}.drawer{bottom:64px}.search-panel{inset:0;z-index:72;background:var(--ink)}.search-panel.is-open{display:block}.search-card{width:100%;min-height:100%;border-radius:0;background:var(--ink);color:var(--card);border:0;padding:24px 16px}.search-card h2,.search-card label{color:var(--card)}.search-card p{color:#D7E4E6}.search-links a{border-color:#D7E4E6;color:#F3F7F7}.slot-320{height:280px}.footer-brand{align-items:flex-start}}
@media (max-width:420px){.footer-grid{grid-template-columns:1fr}.brand-text{font-size:15px}.small-link{display:none}.menu-button{min-width:88px}.page-head,.panel,.article-flow section{padding:18px}}