*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faf7;color:#304643;font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#0f766e}button,input{font:inherit}button{cursor:pointer}.wrap{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}.masthead{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid rgba(17,87,79,.16)}.topbar{min-height:74px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-word{font-size:27px;line-height:1;font-weight:900;letter-spacing:-1px;color:#075b56}.brand-word span{font-size:24px}.brand-logo{height:32px;width:auto;max-width:146px;object-fit:contain}.brand-tag{font-size:12px;color:#566d69;white-space:nowrap}.primary-nav{margin-left:auto;display:flex;gap:17px;align-items:center}.primary-nav a{font-size:14px;font-weight:650;white-space:nowrap;padding:24px 0 18px;border-bottom:2px solid transparent}.primary-nav a[aria-current]{color:#075b56;border-color:#0f766e}.tools{display:flex;align-items:center;gap:8px}.icon-btn,.menu-btn{min-height:44px;min-width:44px;background:transparent;border:1px solid #ddeaE6;border-radius:10px;color:#142c2b}.icon-btn{font-size:27px;line-height:1}.menu-btn{padding:5px 12px;font-size:15px}.channel-track{background:#e7f3ec;border-bottom:1px solid #ddeae6}.track-desktop{display:flex;align-items:center;min-height:45px;gap:24px;white-space:nowrap;font-size:13px}.track-desktop strong{color:#075b56}.track-desktop a:last-child{margin-left:auto}.track-mobile{display:none}.breadcrumb{padding-top:26px;color:#566d69;font-size:14px}.breadcrumb a{color:#0f766e}.page-intro{padding:26px 0 32px;border-bottom:1px solid #ddeaE6}.eyebrow,.card-kicker{font-size:12px;font-weight:750;letter-spacing:.13em;text-transform:uppercase;color:#0f766e}.page-intro h1,.home-intro h1{font-size:40px;line-height:1.19;letter-spacing:-.035em;color:#142c2b;margin:12px 0 20px}.page-intro p{max-width:820px;margin:0;font-size:17px}.section{margin:58px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.section-head h2,.content-panel h2{font-size:27px;line-height:1.3;margin:5px 0;color:#142c2b}.section-head p{max-width:650px;margin:0}.section-head a{color:#075b56;font-weight:700;white-space:nowrap}.content-panel,.article-card,.info-card,.hero-side,.media-card,.editor-row{background:#fff;border:1px solid rgba(17,87,79,.12);border-radius:15px;padding:25px}.content-panel{margin:24px 0}.content-panel p{margin:12px 0 0}.feature-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start}.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.article-card h3,.info-card h3,.media-card h3{color:#142c2b;font-size:20px;line-height:1.42;margin:12px 0}.article-card p,.info-card p,.media-card p{margin:10px 0;color:#566d69}.source-note{color:#647f7b;font-size:13px}.section-tone{background:#e7f3ec;border-radius:18px;padding:30px}.section-dark{background:#091f20;color:#d8eae5;border-radius:18px;padding:30px}.section-dark h2,.section-dark h3{color:#f8fcfa}.section-dark a{color:#bce9df}.hero-grid{display:grid;grid-template-columns:1.62fr 1fr;gap:20px}.hero-main,.hero-side{overflow:hidden;border-radius:18px}.hero-main{background:#133238;color:#f8fcfa;padding:22px;display:flex;flex-direction:column;justify-content:space-between}.hero-main h2{font-size:27px;line-height:1.35;margin:12px 0}.hero-main p{color:#d8eae5}.hero-main a{color:#f8fcfa;font-weight:700}.hero-right{display:grid;grid-template-rows:1fr 1fr;gap:18px}.hero-side h3{font-size:21px;line-height:1.4;margin:6px 0}.hero-side p{margin:0}.home-intro{margin:34px 0 22px}.home-intro p{max-width:780px}.editor-image{max-width:100%;width:100%;height:auto;max-height:400px;object-fit:contain;display:block;margin:0 auto 15px;border-radius:12px}.media-card .editor-image{max-height:240px}.image-fallback{height:155px;background:linear-gradient(115deg,#dcefe7 0%,#c8e3dc 55%,#a7d4c8 100%);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#075b56;font-size:13px;letter-spacing:.16em;font-weight:800;margin-bottom:16px}.hero-main .image-fallback{height:215px;background:linear-gradient(120deg,#075b56,#0f766e 65%,#44c7b1);color:#fff}.section-dark .image-fallback{background:linear-gradient(120deg,#133238,#1d5557);color:#d8eae5}.columns-with-list{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.editor-list{counter-reset:selection;display:grid;gap:13px}.editor-row{display:flex;align-items:baseline;gap:17px}.editor-row::before{counter-increment:selection;content:counter(selection,decimal-leading-zero);font-size:25px;font-weight:850;color:#0f766e}.editor-row a{font-weight:700}.editor-row p{margin:0;font-size:14px;color:#566d69}.timeline{border-left:3px solid #0f766e;margin:15px 0 0 13px;padding-left:25px}.timeline li{margin-bottom:16px}.channel-body{max-width:850px;margin:0 auto 42px}.channel-body .content-panel:nth-of-type(2){background:#e7f3ec}.related{margin:45px 0 70px}.reader{max-width:790px;margin:0 auto;padding-bottom:70px}.reader h1{font-size:38px;line-height:1.3;margin:10px 0}.reader .lead{font-size:19px;color:#566d69}.reader p{line-height:1.95}.reader h2{margin-top:35px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.tags span{background:#e7f3ec;color:#075b56;padding:5px 12px;border-radius:30px;font-size:13px}.site-footer{background:#091f20;color:#d8eae5;padding:55px 0 10px}.footer-grid{display:grid;grid-template-columns:2.1fr repeat(4,1fr);gap:26px}.footer-grid h3{color:#f8fcfa;font-size:15px}.footer-grid a:not(.footer-brand){display:block;font-size:14px;margin:8px 0}.footer-grid a:hover{color:#44c7b1}.footer-brand{font-size:26px;font-weight:850;color:white;display:block}.footer-brand small{font-size:12px;display:block;font-weight:500;letter-spacing:.2em}.footer-grid p{font-size:14px;max-width:290px}.footer-bottom{border-top:1px solid #34514d;margin-top:35px;padding-top:20px;padding-bottom:10px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(4,17,17,.55);z-index:48}.overlay[hidden],.search-pop[hidden]{display:none}.drawer{position:fixed;z-index:50;right:0;top:0;height:100dvh;width:min(360px,88vw);background:#fff;transform:translateX(103%);transition:transform .25s;visibility:hidden;pointer-events:none;display:flex;flex-direction:column;box-shadow:0 0 40px #091f2038}.drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ddeaE6;padding:18px 20px;flex-shrink:0}.drawer-inner{overflow:auto;padding:10px 22px 30px}.drawer h3{font-size:15px;color:#075b56;margin:20px 0 8px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.drawer-links a{font-size:14px;padding:6px 0}.search-pop{position:fixed;z-index:60;left:50%;transform:translateX(-50%);top:90px;width:min(570px,calc(100vw - 30px));background:white;border:1px solid #ddeaE6;box-shadow:0 14px 38px #082a2819;border-radius:14px;padding:24px}.search-pop label{display:block;margin-bottom:12px;font-weight:700}.search-form{display:flex;gap:8px}.search-form input{flex:1;min-width:0;border:1px solid #95b6aa;border-radius:9px;padding:9px 12px}.search-form button,.btn{background:#0f766e;color:white;border:0;border-radius:10px;padding:9px 16px;font-weight:700;display:inline-block}.search-form .search-close{background:#e7f3ec;color:#142c2b}.search-list{display:grid;gap:15px;margin:25px 0 70px}.search-list .article-card{padding:20px}.bottom-nav{display:none}details{background:white;border:1px solid #ddeaE6;border-radius:12px;margin:12px 0;padding:18px}summary{cursor:pointer;color:#142c2b;font-weight:700}details p{margin-bottom:0}*:focus-visible{outline:3px solid #e5a476;outline-offset:2px}
@media(max-width:1160px){.brand-tag{display:none}.topbar{gap:16px}.primary-nav{gap:11px}.primary-nav a{font-size:13px}.track-desktop{gap:14px}}@media(max-width:860px){.primary-nav,.track-desktop{display:none}.topbar{min-height:60px}.tools{margin-left:auto}.track-mobile{display:flex;gap:22px;overflow-x:auto;padding:8px 20px;white-space:nowrap;scrollbar-width:none}.track-mobile a{font-size:14px;min-height:27px}.wrap{padding-left:20px;padding-right:20px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid>div:first-child{grid-column:span 2}.cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-nav{display:flex;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;z-index:32;background:#fff;border-top:1px solid #ddeaE6;padding:7px 0 calc(7px + env(safe-area-inset-bottom))}.bottom-nav a,.bottom-nav button{background:none;border:0;min-width:60px;display:flex;flex-direction:column;text-align:center;align-items:center;color:#075b56;font-size:23px;line-height:1.1}.bottom-nav span{font-size:12px;margin-top:3px}.site-footer{padding-bottom:85px}}@media(max-width:620px){.wrap{padding-left:16px;padding-right:16px}.hero-grid,.feature-layout,.columns-with-list,.cards-2,.cards-3{grid-template-columns:1fr}.hero-right{grid-template-rows:auto}.hero-main .image-fallback{height:155px}.home-intro{margin-top:26px}.home-intro h1,.page-intro h1{font-size:30px}.reader h1{font-size:29px}.section{margin:36px 0}.section-head h2,.content-panel h2{font-size:22px}.section-head{align-items:start}.section-head a{font-size:13px}.section-tone,.section-dark{padding:19px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.footer-grid>div:first-child{grid-column:span 2}.desktop-only{display:none}.brand-word{font-size:24px}.editor-image{max-height:330px}.search-pop{top:65px;padding:15px}.search-form button{padding:8px 10px}.content-panel,.article-card,.info-card,.hero-side,.media-card{padding:19px}body{font-size:15.5px}}@media(max-width:360px){.footer-grid{grid-template-columns:1fr 1fr}.brand-word{font-size:22px}.tools{gap:3px}.section-head{display:block}.section-head a{display:inline-block;margin-top:7px}}