/* Nested navigation and formal inner-page layout. */
.continuous-b header{overflow:visible}.header-collaboration{clip-path:inset(0)}.continuous-b header nav{position:relative;z-index:20}.continuous-b header .nav-item{position:relative}.continuous-b header .has-children>a{padding-right:30px}.branch-toggle{position:absolute;right:3px;top:50%;transform:translateY(-50%);width:28px;height:30px;display:grid;place-items:center;border:0;background:transparent;color:inherit;cursor:pointer}.branch-toggle svg{width:14px;fill:none;stroke:currentColor;stroke-width:1.5}.continuous-b header .branch-toggle{color:#edf7ff}.continuous-b header .submenu{display:none!important;position:absolute;top:100%;left:0;min-width:190px;max-width:min(290px,85vw);margin:0;padding:8px 0;list-style:none;opacity:1;visibility:visible;transform:none;z-index:25;box-shadow:0 12px 24px #123e6424;border-radius:2px}.continuous-b header .submenu li{position:relative;list-style:none}.continuous-b header .submenu a{display:block;white-space:normal;line-height:1.65;padding:10px 34px 10px 17px;font-size:15px}.continuous-b header .submenu .branch-toggle{top:23px}.continuous-b header .submenu .submenu{left:100%;top:0}.continuous-b header .submenu.flip-side{left:auto;right:0}.continuous-b header .submenu .submenu.flip-side{left:auto;right:100%}.continuous-b header .branch-open>.submenu{display:block!important}.inner-banner{padding:36px 0;background:linear-gradient(120deg,#e1eff8,#f4f8fb);border-bottom:1px solid #dbe8f0}.inner-banner h1{font-size:clamp(28px,2vw,42px);font-weight:500;color:#1b567d;margin:0 0 12px}.breadcrumb{font-size:14px;color:#5f8098;line-height:1.9;overflow-wrap:anywhere}.breadcrumb a{color:inherit}.inner-layout{display:grid;grid-template-columns:clamp(210px,17vw,350px) minmax(0,1fr);gap:4%;padding-block:34px 50px}.column-sidebar{align-self:start;border:1px solid #d7e6ef;background:#f1f7fb;min-width:0}.column-sidebar h2{margin:0;background:#2c729f;color:white;font-size:22px;font-weight:500;padding:19px 22px}.column-tree ul{margin:0;padding:0;list-style:none}.column-tree li{position:relative}.column-tree a{display:block;padding:15px 44px 15px 22px;line-height:1.7;font-size:17px;color:#365f7c;border-bottom:1px solid #dbe7ef;overflow-wrap:anywhere}.column-tree li ul{display:none;background:#e7f1f8}.column-tree .branch-open>ul{display:block}.column-tree li ul a{padding-left:35px;font-size:16px}.column-tree li ul ul a{padding-left:48px;font-size:15px}.column-tree .branch-toggle{top:29px;color:#447e9f}.column-tree a[aria-current=page],.column-tree a.selected{color:#0874a8;background:#d9edf8;border-left:3px solid #349bc4;padding-left:19px}.column-tree a:hover{color:#0874a8;background:#e0eff8}.column-collapse{display:none}.inner-content{min-width:0}.inner-content h2{font-size:26px;font-weight:500;margin:0 0 20px;color:#225d82}.inner-news{list-style:none;padding:0;margin:0}.inner-news li{border-bottom:1px solid #d9e6ee}.inner-news a{display:flex;gap:25px;justify-content:space-between;align-items:baseline;padding:20px 4px;font-size:clamp(16px,1.1vw,23px);line-height:1.8;color:#274f6d}.inner-news a:hover{color:#087aaa;background:#e4f1f8}.inner-news time{font-size:14px;white-space:nowrap;color:#7493a6}.inner-pagination{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;align-items:center;font-size:14px}.inner-pagination a,.inner-pagination button{padding:8px 15px;border:1px solid #c0d9e8;color:#286b95;background:white;cursor:pointer}.inner-pagination [aria-current=page]{background:#2c729f;color:white}.inner-empty{padding:20px;background:#edf5fa;color:#50758e;font-size:15px;line-height:1.9}.article-heading{padding-bottom:22px;border-bottom:1px solid #dae6ee}.article-heading h1{font-size:clamp(25px,1.9vw,40px);line-height:1.6;color:#245b7d;font-weight:500;margin:0 0 18px}.article-meta{font-size:14px;color:#7290a3;display:flex;gap:16px;flex-wrap:wrap}.article-body{font-size:18px;line-height:2;color:#34576f;padding:24px 0;overflow-wrap:anywhere}.article-body img,.article-body video{max-width:100%;height:auto}.article-body table{max-width:100%}.article-table-scroll{overflow:auto;max-width:100%}.article-body p{margin:0 0 1.2em}.inner-return{display:inline-block;border:1px solid #a6c8df;padding:10px 18px;font-size:15px;color:#25688e}.preview-note{color:#6e879a;font-size:13px;margin-bottom:20px}.inner-page .content-world{overflow:visible}.inner-page .header-collaboration{z-index:-1}.inner-page .footer-inner{margin-top:0}@media(max-width:1100px){.continuous-b header .nav-item>.branch-toggle{top:22px}.continuous-b header nav.open{overflow-y:auto;max-height:70dvh}.continuous-b header .submenu,.continuous-b header .submenu .submenu{position:static;min-width:0;max-width:none;box-shadow:none;margin-left:14px;border:0;border-left:1px solid #ffffff35}.continuous-b header .has-children>a{padding-right:40px}.continuous-b header .branch-open>.submenu{display:block!important}.inner-layout{grid-template-columns:220px minmax(0,1fr);gap:25px}}@media(max-width:760px){.inner-banner{padding-block:25px}.inner-layout{display:block;padding-block:22px 35px}.column-sidebar{margin-bottom:25px}.column-sidebar h2{font-size:20px;padding:15px 18px}.column-collapse{display:block;width:100%;text-align:left;padding:12px 18px;color:#326384;background:#e4f0f8;border:0;font-size:15px;cursor:pointer}.column-tree{display:none}.column-tree.mobile-expanded{display:block}.inner-news a{font-size:16px;padding-block:15px;gap:12px}.inner-news time{font-size:12px}.article-body{font-size:17px}.article-meta{font-size:13px}}