:root{--bg:#f5faf8;--paper:#fff;--soft:#eaf5f1;--ink:#173e39;--muted:#55746f;--line:rgba(26,137,119,.22);--teal:#1a8977;--teal2:#66cbbb;--deep:#0f5e53;--orange:#e58d56;--gold:#dfb64f;--shadow:0 14px 34px rgba(23,62,57,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}html.locked{overflow:hidden}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(960px,calc(100% - 32px));margin:auto}.skip{position:fixed;left:12px;top:-60px;z-index:1000;background:#fff;padding:8px 12px;border-radius:8px}.skip:focus{top:12px}.top-ribbon{height:20px;background:var(--deep);color:#eefaf7;font-size:12px;position:fixed;inset:0 0 auto;z-index:70}.ribbon-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.text-button{border:0;background:none;color:inherit;padding:0;cursor:pointer}.site-head{position:fixed;top:20px;left:0;right:0;height:64px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);z-index:69;backdrop-filter:blur(10px)}.head-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;min-width:0}.logo-slot{width:38px;height:38px;border-radius:12px;background:var(--soft);display:grid;place-items:center;overflow:hidden}.logo-slot img{width:30px;height:30px;object-fit:contain}.brand strong{display:block;font-size:16px;line-height:1.15}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.head-actions{display:flex;gap:8px;align-items:center;white-space:nowrap}.primary,.ghost{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:.18s}.primary{background:linear-gradient(135deg,var(--teal2),var(--teal) 55%,var(--deep));color:#f5fffd;box-shadow:0 7px 18px rgba(26,137,119,.22)}.primary:hover{box-shadow:0 0 0 3px rgba(102,203,187,.32),0 10px 24px rgba(15,94,83,.2)}.primary:active{filter:brightness(1.05);box-shadow:0 0 0 4px rgba(229,141,86,.24),0 0 22px rgba(26,137,119,.35)}.ghost{background:#fff;border-color:var(--line);color:var(--deep)}.mini{min-height:40px}.primary:focus-visible,.ghost:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--deep);outline-offset:2px}.quick-nav{position:fixed;top:84px;left:0;right:0;height:42px;background:var(--soft);z-index:68;border-bottom:1px solid var(--line)}.quick-inner{height:100%;display:flex;align-items:center;gap:28px;position:relative}.quick-inner:before{content:"";position:absolute;left:4px;right:4px;top:20px;height:2px;background:rgba(26,137,119,.22)}.quick-link{position:relative;z-index:1;display:flex;align-items:center;gap:7px;background:var(--soft);padding:0 6px;color:var(--muted);font-size:13px}.quick-link i{width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--teal)}.quick-link.current{color:var(--deep);font-weight:700}.quick-link.current i{background:var(--teal);box-shadow:0 0 0 5px rgba(102,203,187,.2)}.site-main{padding-top:154px;min-height:70vh}.hero{padding:48px 0 32px}.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--deep);font-size:13px;font-weight:700;letter-spacing:.06em}.kicker:before{content:"";width:26px;height:2px;background:var(--orange)}h1{font-size:30px;line-height:1.25;margin:12px 0 14px;letter-spacing:-.02em}h2{font-size:21px;line-height:1.35;margin:0 0 10px}h3{font-size:16px;line-height:1.4;margin:0 0 8px}p{margin:0 0 14px;color:#2b534e}.lead{font-size:16px;max-width:760px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.section{padding:30px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}.section-head p{margin:0;max-width:520px;color:var(--muted)}.feature{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}.feature.reverse{grid-template-columns:300px minmax(0,1fr)}.feature.reverse .media-slot{order:-1}.feature + .feature{margin-top:16px}.media-slot{height:176px;border-radius:18px;background:linear-gradient(145deg,#eef8f5,#fff);border:1px solid rgba(26,137,119,.14);display:grid;place-items:center;overflow:hidden}.media-slot.square{height:190px}.media-slot.tall{height:320px}.media-slot.banner{height:200px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.tag-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}.tag{font-size:12px;padding:4px 9px;border-radius:999px;background:#edf7f4;color:var(--deep);border:1px solid var(--line)}.tag.warm{background:#fff3ea;color:#8f4f2a;border-color:rgba(229,141,86,.25)}.link-arrow{color:var(--deep);font-weight:700;display:inline-flex;align-items:center;gap:5px}.link-arrow:after{content:"→"}.catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.catalog-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;min-height:150px;box-shadow:0 8px 22px rgba(23,62,57,.05)}.catalog-card:nth-child(3n+1){border-top:4px solid var(--teal)}.catalog-card:nth-child(3n+2){border-top:4px solid var(--orange)}.catalog-card:nth-child(3n){border-top:4px solid var(--gold)}.catalog-card p{color:var(--muted)}.reading-strip{display:flex;gap:12px;overflow:hidden}.reading-strip article{flex:1;background:var(--soft);border-radius:16px;padding:16px;border:1px solid var(--line)}.article-shell{padding:24px 0 50px}.breadcrumb{font-size:13px;color:var(--muted);margin:0 0 18px}.breadcrumb a{color:var(--deep)}.article-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.article-card h1{margin-top:0}.article-card h2{margin-top:28px}.article-card ul{padding-left:20px}.article-card li{margin:7px 0;color:#2b534e}.aside-note{background:var(--soft);border-left:4px solid var(--teal);padding:15px 16px;border-radius:0 14px 14px 0;margin:18px 0}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.info-grid article{padding:16px;background:#f8fcfb;border:1px solid var(--line);border-radius:16px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.faq-item h2{font-size:17px;margin:0 0 8px}.site-footer{margin-top:40px;background:#123f39;color:#e9f8f4;border-top:2px solid var(--teal)}.footer-brand{padding:28px 0 18px;display:flex;justify-content:space-between;gap:30px;align-items:center}.footer-brand p{color:#cfe5df;max-width:600px;margin:0}.footer-logo{display:flex;align-items:center;gap:10px;min-width:160px}.footer-logo img{width:32px;height:32px;object-fit:contain}.footer-logo strong,.footer-logo span{display:block}.footer-logo span{font-size:11px;color:#a9d2c8}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:16px 0 24px;border-top:1px solid rgba(255,255,255,.12)}.footer-links h3{color:#fff}.footer-links a{display:block;color:#cfe5df;font-size:13px;padding:4px 0}.footnote{font-size:12px;color:#9ec7bd;padding:14px 0 24px;border-top:1px solid rgba(255,255,255,.1)}.shade{position:fixed;inset:0;background:rgba(10,36,32,.46);z-index:90}.mega,.search-panel{position:fixed;z-index:91;background:#fff;box-shadow:0 26px 70px rgba(10,36,32,.22);border:1px solid var(--line);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-12px);transition:.18s}.mega.show,.search-panel.show{visibility:visible;pointer-events:auto;opacity:1;transform:none}.mega{top:96px;left:max(16px,calc((100vw - 960px)/2 + 100px));width:min(680px,calc(100vw - 32px));max-height:72vh;overflow:auto;border-radius:0 0 22px 22px;border-top:6px solid var(--teal)}.mega-top,.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;border-bottom:1px solid var(--line)}.mega-top b,.mega-top span,.search-head b,.search-head span{display:block}.mega-top span,.search-head span{font-size:12px;color:var(--muted)}.close-btn{border:1px solid var(--line);background:#fff;color:var(--deep);min-height:40px;padding:0 14px;border-radius:999px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 18px;padding:18px}.mega-grid section{padding:8px}.mega-grid section h3{color:var(--orange);font-size:13px;text-transform:uppercase;letter-spacing:.06em}.mega-grid section a{display:block;padding:10px 0;border-bottom:1px dashed rgba(26,137,119,.15)}.mega-grid section a strong,.mega-grid section a span{display:block}.mega-grid section a span{color:var(--muted);font-size:12px;line-height:1.55;margin-top:2px}.search-panel{top:28px;right:max(16px,calc((100vw - 960px)/2));width:min(430px,calc(100vw - 32px));border-radius:20px}.search-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:18px}.search-choices a{min-height:48px;display:flex;align-items:center;padding:0 14px;border-radius:14px;background:var(--soft);border:1px solid var(--line);font-weight:700}.mobile-dock{display:none}.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.pill-row span{font-size:12px;padding:5px 10px;background:#fff7ed;border:1px solid rgba(229,141,86,.22);border-radius:999px;color:#86512f}.quote-card{background:linear-gradient(135deg,#123f39,#1b5e55);border-radius:24px;padding:24px;color:#fff}.quote-card p{color:#d9eeea}.quote-card strong{font-size:20px;display:block;margin-bottom:8px}.about-banner{margin:12px 0 22px}.app-layout{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start}.app-layout .icon-mini{width:58px;height:58px;border-radius:15px;background:var(--soft);display:grid;place-items:center;margin-bottom:12px}.app-layout .icon-mini img{width:48px;height:48px;object-fit:contain}
@media(max-width:760px){.top-ribbon{height:20px}.site-head{height:62px}.quick-nav{display:none}.site-main{padding-top:104px}.wrap{width:min(100% - 32px,960px)}.head-inner{gap:8px}.brand small{display:none}.brand strong{font-size:15px}.logo-slot{width:34px;height:34px}.head-actions{gap:6px}.head-actions .ghost{display:none}.mini{padding:0 13px}.hero{padding:34px 0 24px}h1{font-size:26px}.feature,.feature.reverse{grid-template-columns:1fr;padding:18px;gap:16px}.feature.reverse .media-slot{order:0}.media-slot,.media-slot.square{height:180px}.catalog{grid-template-columns:1fr}.reading-strip{display:grid}.article-card{padding:20px}.info-grid{grid-template-columns:1fr}.footer-brand{display:block}.footer-brand p{margin-top:14px}.footer-links{grid-template-columns:repeat(2,1fr)}.mega{top:86px;left:16px;right:16px;width:auto;max-height:74vh}.mega-grid{grid-template-columns:1fr}.search-panel{inset:20px 0 auto;width:100%;height:calc(100vh - 20px);max-height:none;border-radius:0;background:#123f39;color:#fff}.search-panel .search-head span{color:#b9d8d1}.search-panel .close-btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.search-choices{grid-template-columns:1fr}.search-choices a{background:#fff;color:var(--ink)}.mobile-dock{position:fixed;z-index:67;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;background:rgba(255,255,255,.98);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-dock a{height:50px;display:grid;place-items:center;font-size:12px;color:var(--deep)}body{padding-bottom:50px}.app-layout{grid-template-columns:1fr}.app-layout .media-slot.tall{max-width:260px;margin:auto;width:100%}}