:root{--navy:#173b70;--navy-deep:#102d5b;--green:#16734d;--green-2:#1b9a6a;--blue:#2971b5;--ink:#11213d;--muted:#58708d;--bg:#f7f9fc;--panel:#fff;--line:#dbe4f0;--soft-blue:#eaf4ff;--soft-green:#e7f7ef;--shadow:0 14px 38px rgba(17,33,61,.09);--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-decoration:none}a:hover{color:var(--green)}button,input,select,textarea{font:inherit}button{cursor:pointer}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:1000;left:16px;top:-60px;padding:9px 14px;color:#fff;background:var(--navy);border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;z-index:100;top:0;border-bottom:1px solid rgba(219,228,240,.92);background:rgba(255,255,255,.94);backdrop-filter:blur(14px)}.nav-shell{width:min(1440px,calc(100% - 36px));height:72px;margin:auto;display:flex;align-items:center;gap:22px}.site-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--navy)}.site-brand:hover{color:var(--navy)}.brand-mark{display:grid;place-items:center;width:39px;height:39px;color:#fff;border-radius:12px;background:linear-gradient(135deg,var(--green),var(--green-2));box-shadow:0 8px 18px rgba(22,115,77,.18);font-size:21px}.site-brand strong{display:block;font-size:19px;line-height:1.05;letter-spacing:-.02em}.site-brand strong span,.footer-brand span{color:var(--green)}.site-brand small{display:block;margin-top:3px;color:var(--muted);font-size:10px;letter-spacing:.04em}.primary-nav{display:flex;align-items:center;gap:2px}.primary-nav a{padding:8px 9px;color:#426080;border-radius:8px;font-size:13px;font-weight:700}.primary-nav a:hover{color:var(--navy);background:var(--soft-blue)}.nav-search{display:flex;min-width:190px;margin-left:auto;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#f7faff}.nav-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(22,115,77,.1)}.nav-search input{width:100%;min-width:0;padding:8px 9px;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}.nav-search button{width:37px;border:0;color:var(--navy);background:transparent;font-size:18px}.curator-link{padding:8px 13px;color:#fff;border-radius:9px;background:var(--navy);font-size:12px;font-weight:800}.curator-link:hover{color:#fff;background:var(--green)}.menu-toggle{display:none;width:42px;height:40px;margin-left:auto;padding:10px;border:1px solid var(--line);border-radius:9px;background:#fff}.menu-toggle span{display:block;height:2px;margin:4px 0;background:var(--navy);transition:.2s}.page-shell{width:min(1180px,calc(100% - 40px));min-height:calc(100vh - 190px);margin:auto;padding:44px 0 80px}.page-shell>h1:first-child,.page-shell>section:first-child>h1:first-child{color:var(--navy);font-size:clamp(2rem,4vw,3rem);letter-spacing:-.035em}.hero{padding:48px;border-radius:20px;color:#fff;background:linear-gradient(135deg,var(--navy-deep),var(--navy))}.hero h1{max-width:850px;margin:8px 0;font:800 clamp(36px,6vw,64px)/1.04 Georgia,serif}.hero .eyebrow{color:#9ee9c7;letter-spacing:.13em;font-size:11px;font-weight:900}.lead{max-width:800px;font-size:19px}.stats{display:flex;gap:45px;flex-wrap:wrap;margin-top:32px}.stats b{font-size:28px}.stats small{display:block;font-size:11px;font-weight:500;opacity:.75}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.card,.steps article{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 5px 18px rgba(17,33,61,.04)}.card:hover{border-color:#a8c7df;box-shadow:var(--shadow);transform:translateY(-2px)}h1,h2,h3{line-height:1.2}h2{margin-top:42px;color:var(--navy);letter-spacing:-.02em}table{width:100%;border-collapse:collapse;border:1px solid var(--line);background:#fff}th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{color:#fff;background:var(--navy);font-size:11px;letter-spacing:.04em;text-transform:uppercase}tbody tr:hover{background:#f2f8fd}.tag{display:inline-block;padding:3px 8px;border-radius:99px;background:#edf1f5;font-size:11px}.tag.validated{color:#075c3d;background:#d5f3e2}.tag.reported{color:#72520b;background:#fff0ba}.steps article{display:grid;grid-template-columns:48px 1fr;margin:12px 0;border-left:4px solid var(--green)}.steps article>b{color:var(--green);font-size:26px}.muted{color:var(--muted)}.coverage>div{display:grid;grid-template-columns:minmax(220px,1fr) 2fr 52px;gap:18px;align-items:center;margin:13px 0}.coverage small{display:block;color:var(--muted)}.coverage progress{width:100%;accent-color:var(--green)}input,select,textarea{max-width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}button{padding:9px 13px;border:0;border-radius:8px;color:#fff;background:var(--green)}.site-footer{display:flex;justify-content:space-between;gap:30px;padding:30px max(4vw,24px);border-top:1px solid var(--line);background:#f0f4f9;color:var(--muted);font-size:12px}.site-footer p{margin:5px 0}.footer-brand{color:var(--navy);font-size:18px;font-weight:900}.site-footer nav{display:flex;gap:18px;align-items:center}.site-footer nav a{color:#426080;font-weight:700}.snapshot-banner{padding:8px 20px;color:var(--ink);background:#f3c969;text-align:center;font-size:13px;font-weight:700}
@media(max-width:1080px){.nav-shell{gap:12px}.primary-nav a{padding:7px 6px;font-size:12px}.nav-search{display:none}}
@media(max-width:820px){.nav-shell{height:66px}.menu-toggle{display:block}.curator-link{display:none}.primary-nav{position:absolute;left:0;right:0;top:66px;display:none;padding:12px 18px 18px;border-bottom:1px solid var(--line);background:#fff;box-shadow:0 14px 26px rgba(17,33,61,.1)}.site-header.nav-open .primary-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}.primary-nav a{padding:11px}.site-header.nav-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}.site-header.nav-open .menu-toggle span:nth-child(2){opacity:0}.site-header.nav-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.page-shell{width:min(100% - 28px,1180px);padding-top:28px}.hero{padding:30px}.site-footer{flex-direction:column}.site-footer nav{flex-wrap:wrap}}
@media(max-width:620px){.site-brand small{display:none}.page-shell{width:min(100% - 22px,1180px)}.hero{padding:25px 20px}.stats{gap:22px}table{display:block;overflow-x:auto;font-size:12px}.coverage>div{grid-template-columns:1fr 52px}.coverage progress{grid-row:2;grid-column:1/3}.site-footer{padding:24px 18px}}

/* Navigation discovery refinements */
.primary-nav a{position:relative}.primary-nav a.active{color:var(--navy);background:var(--soft-blue)}.primary-nav a.active::after{content:"";position:absolute;left:9px;right:9px;bottom:2px;height:2px;border-radius:2px;background:var(--green)}.mobile-search{display:none}:focus-visible{outline:3px solid rgba(41,113,181,.42);outline-offset:3px}
@media(max-width:820px){.primary-nav a.active::after{left:11px;right:auto;width:24px}.mobile-search{grid-column:1/3;display:flex;margin-top:5px;border:1px solid var(--line);border-radius:9px;overflow:hidden}.mobile-search input{width:100%;min-width:0;border:0;border-radius:0;outline:0}.mobile-search button{border-radius:0}}

.site-brand small{max-width:310px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:8px}.language-switch{display:flex;flex:0 0 auto;padding:2px;border:1px solid var(--line);border-radius:8px;background:#f4f7fb}.language-switch button{padding:5px 7px;color:var(--muted);border-radius:6px;background:transparent;font-size:9px;font-weight:850}.language-switch button.active{color:#fff;background:var(--navy)}.language-zh{font-family:"Noto Sans CJK SC","Microsoft YaHei","PingFang SC",Inter,system-ui,sans-serif}.language-zh .hero-copy h1{letter-spacing:-.035em}
.language-copy-zh{display:none}.language-zh .language-copy-en{display:none}.language-zh .language-copy-zh{display:inline}
@media(max-width:1350px){.site-brand small{display:none}}
@media(max-width:820px){.language-switch{margin-left:auto}.menu-toggle{margin-left:0}}
@media(max-width:420px){.language-switch button{padding:5px 6px}.site-brand strong{font-size:17px}}

.account-link{flex:0 0 auto;padding:7px 3px;color:var(--navy);background:transparent;font-size:12px;font-weight:800}.account-link:hover{color:var(--green)}.nav-account-form{margin:0}.site-messages{width:min(920px,calc(100% - 32px));margin:18px auto 0}.site-message{padding:11px 15px;border:1px solid #a9dbc5;border-radius:9px;color:#075c3d;background:#e7f7ef;font-weight:700}.account-page{background:linear-gradient(145deg,#f4f8fc,#edf7f2)}.account-shell{display:grid;min-height:calc(100vh - 255px);place-items:center;padding:28px 0}.account-card{width:min(500px,100%);padding:34px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.account-card h1{margin:5px 0 8px;color:var(--navy);font-size:34px}.account-card>p{color:var(--muted)}.account-eyebrow{margin:0!important;color:var(--green)!important;text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:900}.account-form{display:grid;gap:8px;margin-top:24px}.account-form label{margin-top:7px;color:var(--navy);font-weight:800}.account-form input{width:100%}.account-form small{color:var(--muted);font-size:11px}.account-form small ul{margin:4px 0 8px;padding-left:20px}.account-form button{margin-top:14px;padding:12px;font-weight:850}.field-error,.form-alert{padding:8px 10px;border-radius:7px;color:#8a2530;background:#fff0f1;font-size:12px}.account-foot{margin:22px 0 0!important;font-size:13px}@media(max-width:820px){.account-link,.nav-account-form{display:none}}@media(max-width:560px){.account-card{padding:25px 20px}}