*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faf7;color:#304643;font:16px/1.76 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#075b56}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#142c2b;line-height:1.32}h1{font-size:clamp(28px,3vw,40px)}h2{font-size:clamp(22px,2vw,28px)}h3{font-size:19px}.shell{width:min(1240px,calc(100% - 48px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #dceae6}.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;flex-direction:column;justify-content:center;min-width:145px;color:#0f766e;line-height:1.15}.brand strong{font-size:27px;letter-spacing:1px}.brand img{max-height:36px;width:auto;object-fit:contain;object-position:left}.brand small{font-size:12px;color:#566d69;margin-top:4px}.primary{display:flex;gap:clamp(12px,1.7vw,26px);align-items:center}.primary a{font-weight:650;font-size:14px;white-space:nowrap}.primary a[aria-current]{color:#075b56;border-bottom:2px solid #0f766e}.tools{display:flex;gap:6px}.square{border:1px solid #d2e4dd;background:#fff;color:#075b56;min-width:44px;height:44px;border-radius:10px;font-size:22px}.channel-rail{background:#e7f3ec;border-bottom:1px solid #d2e4dd}.rail-inner{height:45px;display:flex;gap:26px;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.rail-inner::-webkit-scrollbar{display:none}.rail-inner span{font-size:12px;color:#566d69}.rail-inner a{font-weight:600;font-size:14px}.section{margin:56px 0}.eyebrow{color:#0f766e;font-size:13px;font-weight:800;letter-spacing:.09em}.lead{max-width:850px;font-size:17px;color:#566d69}.hero{margin-top:38px}.hero h1{margin-bottom:10px}.hero-grid{display:grid;grid-template-columns:1.62fr 1fr;gap:18px;margin-top:20px}.hero-aside{display:grid;gap:16px}.panel,.story-card,.guide-card{border:1px solid rgba(17,87,79,.15);background:#fff;border-radius:16px;overflow:hidden}.panel{padding:24px}.media{background:linear-gradient(135deg,#dcefe6,#d0e4e6);border-radius:14px;display:grid;place-items:center;min-height:150px;overflow:hidden}.media img{width:100%;height:auto;max-height:300px;object-fit:contain;display:block}.media.missing span{padding:24px;max-width:22ch;font-size:22px;font-weight:800;line-height:1.45;text-align:center;color:#075b56}.hero-media{min-height:300px}.hero-media img{max-height:380px}.hero-media.missing span{font-size:32px}.card-copy{padding:20px}.card-copy h3{margin-bottom:8px}.card-copy p{margin-bottom:12px;color:#566d69}.meta{font-size:13px;color:#0f766e;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;background:#0f766e;color:#fff;border:0;border-radius:10px;font-weight:700}.btn:hover{color:#fff;background:#075b56}.btn-light{background:#e7f3ec;color:#075b56}.btn-light:hover{background:#d5eee5;color:#075b56}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px}.section-heading p{max-width:700px;margin-bottom:0;color:#566d69}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.guide-card{padding:20px;min-height:154px;border-top:3px solid #44c7b1}.guide-card h3{margin-bottom:10px}.guide-card p{font-size:14px;color:#566d69}.editorial{display:grid;grid-template-columns:1.12fr 1fr;gap:22px;align-items:start}.article-index{display:grid;gap:12px}.article-index a{display:block;border-bottom:1px solid #dceae6;padding:12px 4px}.article-index b{display:block;color:#142c2b}.article-index small{color:#566d69}.feature-band{background:#e7f3ec;border-radius:18px;padding:28px}.dark-band{background:#091f20;color:#d8eae5;border-radius:18px;padding:28px}.dark-band h2,.dark-band h3{color:#f8fcfa}.dark-band .meta{color:#44c7b1}.number-list{counter-reset:steps;list-style:none;padding:0;display:grid;gap:13px}.number-list li{padding:14px 16px;background:#fff;border:1px solid #dceae6;border-radius:12px}.number-list li:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);margin-right:14px;color:#0f766e;font-weight:900}.breadcrumbs{padding-top:26px;font-size:13px;color:#566d69}.page-head{padding:34px 0 18px}.page-head .lead{font-size:17px}.prose{max-width:790px}.prose p{margin-bottom:23px;line-height:1.88}.content-split{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:40px}.sidebox{padding:20px;background:#e7f3ec;border-radius:14px;align-self:start}.sidebox a{display:block;margin:12px 0;border-bottom:1px solid #c8e0d8;padding-bottom:8px}.article-title{font-size:clamp(28px,3vw,38px)}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.tags span{background:#e7f3ec;color:#075b56;font-size:13px;padding:5px 10px;border-radius:8px}.search-form{display:grid;gap:14px}.search-form input{height:48px;border-radius:9px;padding:10px 14px;border:1px solid #afccc3;width:100%}.result{border-bottom:1px solid #d2e4dd;padding:20px 0}.result h3{margin-bottom:6px}.faq details{border:1px solid #d2e4dd;background:#fff;border-radius:12px;padding:16px 20px;margin:12px 0}.faq summary{font-weight:750;cursor:pointer;color:#142c2b}.faq details p{margin:12px 0 0}.footer{margin-top:72px;background:#091f20;color:#d8eae5;padding:48px 0 22px;border-top:3px solid #0f766e}.footer strong{color:#fff}.foot-intro{max-width:700px}.foot-intro small{font-size:12px;font-weight:400;color:#44c7b1}.foot-links{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin:32px 0}.foot-links a{display:block;font-size:14px;margin-top:7px;color:#d8eae5}.foot-links a:hover{color:#44c7b1}.copyright{border-top:1px solid #345057;padding-top:18px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:40;visibility:hidden;opacity:0;pointer-events:none;transition:opacity .2s}.overlay.show{visibility:visible;opacity:1;pointer-events:auto}.drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,88vw);z-index:41;background:#fff;overflow-y:auto;padding:22px;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .2s,visibility .2s}.drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-22px;background:#fff;padding:10px 0 15px;z-index:2}.drawer section{margin:18px 0}.drawer section h2{font-size:16px;margin-bottom:8px}.drawer section a{display:block;padding:7px 0;border-bottom:1px solid #e4efea}.search-panel{max-width:430px}.mobile-bottom{display:none}:focus-visible{outline:3px solid #e5a476;outline-offset:3px}@media(max-width:980px){.primary{display:none}.hero-grid,.editorial,.content-split{grid-template-columns:1fr}.grid.four{grid-template-columns:repeat(2,1fr)}.sidebox{max-width:none}}@media(max-width:640px){.shell{width:calc(100% - 32px)}.site-header .header-inner{min-height:60px}.brand small{font-size:10px}.brand strong{font-size:22px}.brand img{max-height:31px}.grid,.grid.two,.grid.four{grid-template-columns:1fr}.hero{margin-top:24px}.hero-grid{gap:12px}.hero-media{min-height:205px}.hero-media img{max-height:300px}.section{margin:36px 0}.section-heading{display:block}.media img{max-height:250px}.feature-band,.dark-band{padding:20px}.footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.foot-links{grid-template-columns:repeat(2,1fr);gap:20px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);align-items:center;position:fixed;z-index:19;bottom:0;left:0;right:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid #d2e4dd;text-align:center}.mobile-bottom a,.mobile-bottom button{height:56px;display:grid;place-items:center;font-size:14px;color:#075b56;font-weight:650;border:0;background:transparent}.page-head{padding-top:22px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}