:root{--sky:#48BAF1;--sky-soft:#BFEAFF;--sky-pale:#E9F8FF;--navy:#14344F;--navy-deep:#102B42;--action-blue:#116A9B;--action-hover:#0D5278;--paper:#FAFCFE;--paper-white:#fff;--fog:#F2F7FA;--border:#DBEAF2;--title:#173754;--body:#354A59;--muted:#416A80;--coral:#F08B82;--mint:#7BC7B4;--lavender:#AD9CDE;--apricot:#E2B36A}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--body);font:16px/1.78 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--action-blue);text-decoration:none}a:hover,a:focus-visible{text-decoration:underline;color:var(--action-hover)}button,input,textarea,select{font:inherit}button,.button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--coral);outline-offset:2px}.container{width:min(1260px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;z-index:20;background:white;padding:10px}.site-header{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:10}.bar{display:flex;align-items:center;gap:30px;min-height:68px}.brand{display:flex;align-items:center;font-size:25px;line-height:1.15;font-weight:850;color:var(--navy);min-width:160px}.brand-light{color:#087ab1}.brand small{display:block;font-size:9px;letter-spacing:1.7px;margin-top:4px;color:var(--muted)}.brand-logo{max-width:100px;max-height:43px;object-fit:contain;margin-right:10px}.desktop-nav{display:flex;align-items:center;gap:22px;flex:1;justify-content:center}.desktop-nav a{font-size:14px;font-weight:650;color:var(--navy);white-space:nowrap}.desktop-nav a.active{color:var(--action-blue)}.head-actions{display:flex;align-items:center;gap:15px;white-space:nowrap}.menu-toggle,.menu-close{background:var(--navy);color:white;border:0;border-radius:10px;padding:8px 14px;min-height:44px}.category-rail{background:var(--sky-pale);border-top:1px solid #daeff9}.rail-inner{display:flex;align-items:center;gap:33px;min-height:42px;overflow:auto;white-space:nowrap;scrollbar-width:thin}.rail-inner a{font-size:13px;color:var(--navy)}.drawer-overlay{position:fixed;inset:0;background:#0a1f32a8;z-index:20}.drawer{position:fixed;right:0;top:0;bottom:0;z-index:21;width:min(420px,88vw);overflow:auto;background:#fff;padding:22px;box-shadow:-12px 0 35px #061e3230;transform:translateX(105%);visibility:hidden;transition:transform .25s}.drawer.open{transform:translateX(0);visibility:visible}.drawer-top{display:flex;align-items:center;justify-content:space-between}.drawer h3{font-size:15px;margin:27px 0 8px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:5px 15px}.drawer-links a{border-bottom:1px solid var(--border);padding:6px 0;font-size:14px}.hero{display:grid;grid-template-columns:44% 56%;overflow:hidden;background:linear-gradient(140deg,#e5f7ff,#a9dfff);border:1px solid #bbe6f9;border-radius:18px;min-height:335px;margin-top:30px}.hero-copy{padding:42px;align-self:center}.hero h1{font-size:clamp(28px,3.1vw,40px);line-height:1.3;margin:12px 0;color:var(--navy-deep)}.hero p{max-width:440px}.hero-visual{display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#d7f2ff,#6ec7f5)}.hero-visual img{width:100%;max-height:380px;object-fit:contain}.hero-symbol{font-size:clamp(55px,8vw,116px);line-height:1;color:#fff;font-weight:900;text-shadow:0 7px 0 #116a9b33}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 20px;margin:5px 8px 5px 0;border:0;border-radius:10px;background:var(--action-blue);color:white;font-weight:650}.button.secondary{background:white;color:var(--navy);border:1px solid #9ed9f5}.button:hover{background:var(--action-hover);color:white;text-decoration:none}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--action-blue)}.page-title{margin:35px 0 10px;font-size:clamp(24px,2.7vw,34px);line-height:1.3;color:var(--title)}.subhead{max-width:780px;color:var(--muted);margin:0 0 30px}.section{margin:50px 0}.section-head{display:flex;justify-content:space-between;gap:15px;align-items:baseline;margin-bottom:16px}.section h2{font-size:25px;color:var(--title);line-height:1.35;margin:0}.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.story,.panel{background:#fff;border:1px solid var(--border);border-radius:13px;overflow:hidden}.story-image{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--sky-pale)}.story-body{padding:22px}.story h3{font-size:19px;line-height:1.45;margin:8px 0;color:var(--title)}.story h3 a{color:inherit}.story p{font-size:14px;line-height:1.75;margin:10px 0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.text-link{font-size:13px;font-weight:700}.pill-row{display:flex;gap:10px;flex-wrap:wrap}.pill-row a,.tag{border-radius:50px;background:#e7f6fe;color:var(--navy);padding:7px 14px;font-size:13px}.feature-layout{display:grid;grid-template-columns:170px minmax(0,1fr) 260px;gap:24px;align-items:start}.feature-layout .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebox{padding:18px;background:white;border:1px solid var(--border);border-radius:12px}.sidebox h3{font-size:16px;margin-top:0;color:var(--title)}.sidebox a{display:block;border-bottom:1px solid var(--border);padding:7px 0;font-size:14px}.alt-section{background:var(--sky-pale);padding:22px;border-radius:18px}.reading{max-width:780px;padding-bottom:65px}.reading p{font-size:17px;line-height:1.83;margin:17px 0}.reading h2{color:var(--title);margin-top:30px}.article-meta{font-size:14px;color:var(--muted);border-bottom:1px solid var(--border);padding:9px 0 22px}.article-figure img{width:100%;max-height:470px;object-fit:contain}.breadcrumb{font-size:13px;margin-top:28px;color:var(--muted)}.pages{display:flex;gap:7px;margin:25px 0}.pages a{border:1px solid var(--border);padding:5px 12px;border-radius:7px}.pages a[aria-current]{background:var(--navy);color:white}.list-post{background:white;padding:18px 22px;border:1px solid var(--border);border-radius:11px;margin:12px 0}.list-post h3{margin:0;font-size:18px}.list-post p{font-size:14px;margin:5px 0}.forum-meta{font-size:13px;color:var(--muted)}.notice{background:#e9f8ff;border-left:4px solid var(--action-blue);padding:14px 18px;margin:20px 0}.form-card{padding:23px;background:white;border:1px solid var(--border);border-radius:13px;max-width:780px}.form-card label{display:block;font-weight:650;margin:15px 0 5px}.form-card input,.form-card textarea,.form-card select{width:100%;padding:12px;border:1px solid #a1b9c8;border-radius:8px;background:white;color:var(--navy)}.form-card textarea{min-height:150px}.site-footer{background:var(--navy-deep);color:#e8f6ff;margin-top:60px;padding:45px 0 20px}.footer-grid{display:grid;grid-template-columns:2.1fr repeat(5,1fr);gap:20px}.footer-grid h2{font-size:19px;color:white;margin:0 0 10px}.footer-grid h2 span{font-size:12px}.footer-grid h3{font-size:15px;color:#c4edff;margin:0 0 10px}.footer-grid a{display:block;color:#eff9ff;font-size:13px;padding:4px 0}.footer-grid p{font-size:13px}.foot-bottom{font-size:12px;border-top:1px solid #36617a;margin-top:26px;padding-top:15px}.mobile-bottom{display:none}img{max-width:100%}@media(max-width:1199px){.feature-layout{grid-template-columns:minmax(0,1fr)}.feature-layout .side-left{display:none}.feature-layout .side-right{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:960px){.desktop-nav{display:none}.bar{justify-content:space-between}.grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){.container{width:calc(100% - 34px)}.bar{gap:10px}.brand{min-width:0;font-size:21px}.brand-logo{max-width:70px}.search-short{display:none}.menu-toggle{font-size:12px;padding:7px 9px}.rail-inner{gap:22px}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:28px 22px}.hero-visual{min-height:170px}.hero-visual img{max-height:240px}.grid-cards,.grid-cards.two,.feature-layout .grid-cards,.feature-layout .side-right{grid-template-columns:1fr}.section{margin:32px 0}.section h2{font-size:21px}.story-body{padding:17px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid>div:first-child{grid-column:1/-1}.site-footer{padding-bottom:85px}.mobile-bottom{position:fixed;bottom:0;left:0;right:0;z-index:9;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border);background:white}.mobile-bottom a{text-align:center;padding:10px 3px;color:var(--navy);font-size:13px;min-height:50px}.reading p{font-size:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.drawer{transition:none}}