:root{color-scheme:light;--ink:#19334b;--muted:#52677b;--line:#d9e3ed;--blue:#175bb8;--paper:#fff;--soft:#f3f7fb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.75}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible{outline:3px solid #af5223;outline-offset:5px}.top{max-width:1440px;margin:auto;padding:24px 4vw;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:22px;font-weight:750;text-decoration:none;white-space:nowrap}.brand span{font-size:13px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:30px;padding:2px 9px}.languages{display:flex;gap:5px;flex-wrap:wrap}.languages a{font-size:14px;text-decoration:none;color:var(--ink);padding:6px 10px;border:1px solid transparent;border-radius:10px}.languages a[aria-current]{background:#e9f1ff;border-color:#b3cceb}.languages a:hover{background:#f0f4f9;border-color:#c4d3e5}.hero{max-width:1440px;margin:0 auto;padding:58px 5vw 40px;background:linear-gradient(120deg,#eef5ff,#f5fbf8)}.eyebrow{font-size:12px;font-weight:750;letter-spacing:.16em;color:#3c647b}h1{font-size:clamp(36px,5vw,64px);line-height:1.13;letter-spacing:-.035em;margin:18px 0 20px}h2{font-size:27px;line-height:1.3;letter-spacing:-.015em;margin:0 0 20px}.hero p{max-width:760px;font-size:20px;color:var(--muted)}button{cursor:pointer;font:inherit}.print{border:1px solid #afc5dd;border-radius:12px;background:white;padding:10px 17px;color:var(--ink);font-size:14px}.print:hover{outline:2px solid #799dbf;outline-offset:-2px}.layout{max-width:1440px;margin:auto;display:grid;grid-template-columns:260px minmax(0,1fr);gap:58px;padding:46px 5vw 80px}aside nav{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto}aside h2{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}aside a{display:block;color:var(--muted);font-size:14px;line-height:1.45;padding:8px 0;text-decoration:none}aside a:hover{color:var(--blue)}main{min-width:0}section{padding:22px 0 35px;border-bottom:1px solid var(--line);margin-bottom:32px}p{margin:0 0 18px}section p{max-width:86ch}section p:last-child{margin-bottom:0}.note{background:#f0f5fb;border-left:3px solid #90b3d9;padding:18px 22px;color:var(--muted);font-size:14px;margin-bottom:38px}figure{margin:30px 0 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--soft)}figure>a{display:block}figure img{display:block;width:100%;height:auto}figcaption{padding:14px 18px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}footer{border-top:1px solid var(--line);padding:26px 5vw;text-align:center;font-size:14px;color:var(--muted)}.skip{position:absolute;left:12px;top:-120px;background:white;z-index:10;padding:12px}.skip:focus{top:12px}.landing{max-width:1120px;margin:auto;padding:70px 36px 80px}.landing>p{color:var(--muted);font-size:20px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}.language-card{display:flex;flex-direction:column;align-items:flex-start;padding:26px;border:1px solid var(--line);border-radius:18px;background:var(--soft);text-decoration:none;color:var(--ink);transition:background .15s}.language-card:hover{background:#e9f1ff;outline:2px solid #b2c9e7}.language-card>span{font-size:32px}.language-card strong{font-size:24px}.language-card small{color:var(--muted);font-size:15px}.landing p.landing-note{font-size:14px;margin-top:35px}@media(max-width:1050px){.top{flex-direction:column;align-items:flex-start}.layout{grid-template-columns:210px minmax(0,1fr);gap:28px}}@media(max-width:760px){body{font-size:16px}.hero{padding:36px 22px}.layout{display:block;padding:28px 22px}.top{padding:20px 22px}.languages{gap:3px}.languages a{padding:5px 8px}aside nav{position:static;max-height:none;columns:2;margin-bottom:32px}aside nav h2{column-span:all}aside a{break-inside:avoid}.cards{grid-template-columns:repeat(2,1fr);gap:12px}.language-card{padding:18px}.landing{padding:40px 22px}.hero p{font-size:18px}h2{font-size:24px}}@media(max-width:400px){.cards{grid-template-columns:1fr}aside nav{columns:1}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{body{font-size:10pt;line-height:1.5}.top,.print,aside,.skip{display:none}.hero{padding:0;background:none}h1{font-size:28pt}.hero p{font-size:12pt}.layout{display:block;padding:0}.note{font-size:9pt}h2{break-after:avoid;font-size:16pt}section{padding:10px 0;margin-bottom:16px}figure{break-inside:avoid;max-width:150mm;margin:14px auto}figure img{max-height:170mm;object-fit:contain}figcaption{font-size:8pt}footer{padding:10px}.landing{padding:0}a{color:inherit}.cards{display:block}.language-card{margin:12px 0}}
:root .flag{display:inline-block;vertical-align:middle;object-fit:cover;border-radius:2px;box-shadow:0 0 0 1px #0001}.language-card .flag{margin:4px 0 14px}

.home-return{max-width:1440px;margin:0 auto;padding:14px 4vw 0;font-size:15px}.home-return a{display:inline-block;padding:8px 0}@media print{.home-return{display:none}}