:root{color-scheme:dark;--bg:#0d1014;--panel:#151a20;--line:#30343a;--gold:#e8c078;--text:#f3efe7;--muted:#a4a9b1;--green:#99c2ac}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}button,input,select{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:5px}img{max-width:100%}.shell{width:min(1180px,calc(100% - 64px));margin:auto}.site-header{border-bottom:1px solid #ffffff0d;background:#0d1014ef}.header-row{min-height:92px;display:flex;align-items:center;gap:34px}.wordmark{display:flex;gap:12px;align-items:center;font-size:15px;font-weight:750;line-height:1.25;letter-spacing:.2px}.wordmark img{width:46px;height:46px}.wordmark span{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.4px;text-transform:uppercase;margin-top:3px}.header-links{display:flex;align-items:center;gap:28px;margin-inline-start:auto;color:#c6c8ca;font-size:13px}.header-links a:hover,.footer a:hover{color:var(--gold)}.languages{display:flex;gap:4px;align-items:center;padding:4px;border:1px solid var(--line);border-radius:8px}.languages a{padding:4px 7px;font-size:11px;border-radius:4px;color:var(--muted)}.languages a[aria-current]{background:#2b2820;color:var(--gold)}.preview{display:inline-flex;gap:7px;align-items:center;font-size:10px;font-weight:650;letter-spacing:1.1px;text-transform:uppercase;color:#c1b18f}.preview:before{content:'';width:6px;height:6px;background:var(--gold);border-radius:50%}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:76px 0 60px;position:relative}.hero h1{font-size:clamp(38px,4.5vw,62px);line-height:1.12;letter-spacing:-2.5px;font-weight:650;margin:20px 0 22px;max-width:700px}.hero h1 em{font-style:normal;color:var(--gold)}.hero-copy>p{font-size:16px;color:var(--muted);max-width:510px;margin-bottom:29px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:18px;border-radius:8px;padding:12px 20px;font-size:13px;font-weight:650;min-height:47px;border:1px solid #494237;background:#171a1d}.btn-primary{color:#211b10;background:linear-gradient(120deg,#f0d291,#d4a55b);border-color:#e3bc77}.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}.small-note{display:flex;gap:9px;align-items:center;color:#8d949e;font-size:11px;margin-top:17px}.small-note i{color:var(--green);font-style:normal}.hero-art{min-height:340px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 47%,#b08b3420,transparent 66%);border:1px solid #aa884f36;border-radius:20px;overflow:hidden}.hero-art:before,.hero-art:after{content:'';position:absolute;width:242px;height:242px;border:1px solid #c89d4830;transform:rotate(45deg);border-radius:36px;pointer-events:none}.hero-art:after{width:286px;height:286px;border-color:#c89d4818}.hero-logo{width:210px;height:210px;z-index:1;filter:drop-shadow(0 16px 24px #0009)}.art-label{font-size:9px;letter-spacing:3px;color:#a8956e;z-index:1;margin-top:18px}.floating-item{position:absolute;width:64px;height:64px;border:1px solid #565044;border-radius:12px;background:#1a1e24;padding:3px;z-index:2;box-shadow:0 12px 25px #0006}.floating-item.one{top:32px;left:29px;transform:rotate(-9deg)}.floating-item.two{right:25px;top:65px;transform:rotate(8deg)}.floating-item.three{bottom:25px;left:62px;transform:rotate(6deg)}.floating-item.four{right:48px;bottom:28px;transform:rotate(-7deg)}.intro-strip{border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:62px;background:linear-gradient(110deg,#171b20,#11151a)}.strip-item{padding:18px 25px;display:flex;gap:13px;align-items:center}.strip-item+.strip-item{border-inline-start:1px solid var(--line)}.strip-symbol{color:var(--gold);font-size:20px}.strip-item strong{display:block;font-size:12px;font-weight:600}.strip-item small{display:block;font-size:11px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.eyebrow{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);font-weight:600}.section-head h2,.support h2,.guide-title{font-size:28px;font-weight:600;letter-spacing:-.8px;margin:5px 0}.section-head p{font-size:13px;color:var(--muted);max-width:380px;margin:0}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:65px}.tool-card{border:1px solid var(--line);background:linear-gradient(160deg,#1a1f27,#13171c);padding:24px 20px 20px;border-radius:12px;transition:border-color .2s,transform .2s;display:flex;flex-direction:column;position:relative;min-height:237px}.tool-card:hover{border-color:#9d7c45;transform:translateY(-3px)}.tool-card .item{height:62px;width:62px;background:#24272a;border:1px solid #47433a;border-radius:12px;padding:3px;margin-bottom:17px}.tool-card h3{font-size:16px;line-height:1.4;font-weight:600;margin:0 0 8px}.tool-card p{font-size:12px;color:var(--muted);margin:0 0 20px}.tool-card .go{margin-top:auto;font-size:11px;color:var(--gold);display:flex;justify-content:space-between;align-items:center}.learn{padding:36px;border:1px solid var(--line);border-radius:16px;margin-bottom:62px;background:#12161b}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.guide-card{border-top:1px solid #414039;padding-top:20px}.guide-card .number{font-size:10px;color:#c7ac78;letter-spacing:2px}.guide-card h3{font-size:17px;font-weight:550;line-height:1.5;margin:10px 0}.guide-card p{font-size:12px;color:var(--muted);margin:0 0 18px}.text-link{font-size:12px;color:var(--gold)}.support{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;margin-bottom:55px;border-inline-start:2px solid var(--gold);padding:5px 0 5px 27px}.support p{font-size:13px;color:var(--muted);max-width:620px;margin:8px 0 0}.socials{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.socials a{border:1px solid #3f4144;border-radius:6px;padding:7px 13px;font-size:11px;color:#d0c8b9}.socials a:hover{border-color:var(--gold)}.footer{border-top:1px solid var(--line);padding:27px 0 35px;color:#8d949d;font-size:11px}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer strong{font-size:12px;font-weight:500;color:#dbd5ca}.footer p{max-width:720px;font-size:10px;margin:12px 0 0;line-height:1.7}.footer nav{display:flex;gap:20px;flex-wrap:wrap}.document{max-width:780px;min-height:60vh;padding:55px 0 70px}.document h1{font-size:42px;line-height:1.2;letter-spacing:-1.5px;margin:18px 0 25px}.document h2{font-size:20px;letter-spacing:-.3px;margin-top:35px}.document p,.document li{font-size:15px;color:#b7bdc6}.document a:not(.btn){color:var(--gold);text-decoration:underline;text-underline-offset:3px}.document .lead{font-size:19px;color:#e3dac8}.document ol,.document ul{padding-inline-start:22px}.document li{padding-inline-start:5px;margin:10px 0}.callout{padding:17px 22px;border:1px solid #6e5b36;border-radius:9px;background:#282319;margin:25px 0;color:#e3d3b0;font-size:14px}.crumb{font-size:12px;color:var(--muted)}.document .btn{margin-top:24px}.doc-actions{margin-top:32px;padding-top:25px;border-top:1px solid var(--line)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.btn:hover,.tool-card:hover{transform:none}}@media(max-width:1000px){.header-row{gap:20px}.header-links{gap:16px}.hero{gap:25px}.hero h1{font-size:48px}.tool-grid{grid-template-columns:repeat(2,1fr)}.tool-card{min-height:210px}.hero-art{min-height:310px}.floating-item{width:53px;height:53px}.floating-item.three{left:22px}.floating-item.four{right:20px}.hero-logo{width:176px;height:176px}.strip-item{padding:16px}.strip-item small{font-size:10px}}@media(max-width:700px){.shell{width:calc(100% - 36px)}.header-row{flex-wrap:wrap;gap:13px;padding:15px 0;min-height:85px}.wordmark{font-size:14px}.wordmark img{width:40px;height:40px}.wordmark span{font-size:9px}.header-links{order:3;justify-content:space-between;width:100%;margin:4px 0 0;font-size:12px}.languages{margin-inline-start:auto}.hero{grid-template-columns:1fr;padding:40px 0 30px;gap:28px}.hero h1{font-size:43px;letter-spacing:-1.7px}.hero-copy>p{font-size:14px}.hero-art{min-height:270px;max-width:460px;width:100%;margin:auto}.hero-logo{height:175px;width:175px}.art-label{font-size:8px}.floating-item.one{left:27px;top:26px}.floating-item.two{top:36px}.floating-item.three{left:40px;bottom:24px}.floating-item.four{right:33px}.intro-strip{grid-template-columns:1fr;margin-bottom:40px}.strip-item{padding:12px 18px}.strip-item+.strip-item{border-inline-start:none;border-top:1px solid var(--line)}.section-head{display:block}.section-head h2,.support h2{font-size:25px}.section-head p{margin-top:9px}.tool-grid{gap:10px;margin-bottom:40px}.tool-card{padding:18px 14px;min-height:225px}.tool-card h3{font-size:14px}.tool-card p{font-size:11px}.tool-card .item{width:54px;height:54px}.learn{padding:24px 20px;margin-bottom:40px}.guide-grid{grid-template-columns:1fr;gap:20px}.guide-card{padding-top:15px}.guide-card h3{font-size:17px}.guide-card p{font-size:13px}.support{grid-template-columns:1fr;gap:20px;padding-inline-start:20px;margin-bottom:35px}.support .btn{justify-self:start}.footer-row{display:block}.footer nav{margin-top:15px;gap:16px}.document{padding:35px 0 50px}.document h1{font-size:34px}.document p,.document li{font-size:14px}.document .lead{font-size:17px}}@media(max-width:360px){.languages a{padding:4px 5px}.tool-grid{grid-template-columns:1fr}.actions .btn{width:100%}.hero h1{font-size:38px}.wordmark{gap:7px}}

/* Compact native language menu; flags are bundled with the site. */
.language-picker{position:relative;flex-shrink:0;margin-inline-start:auto;font-size:12px;z-index:20}
.language-picker summary{display:flex;gap:9px;align-items:center;cursor:pointer;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#161b21;list-style:none;min-height:42px}
.language-picker summary::-webkit-details-marker{display:none}
.language-picker summary:hover,.language-picker[open] summary{border-color:#9d7c45}
.language-picker img{width:22px;height:16px;object-fit:cover;border:1px solid #ffffff18;border-radius:2px;flex-shrink:0}
.language-menu{position:absolute;inset-inline-end:0;top:calc(100% + 9px);display:flex;flex-direction:column;min-width:230px;max-width:calc(100vw - 36px);max-height:min(460px,65vh);overflow:auto;overscroll-behavior:contain;padding:7px;border:1px solid #59503e;border-radius:10px;background:#171c23;box-shadow:0 18px 45px #0009;scrollbar-color:#665638 #171c23}
.language-menu a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:6px;color:#c8cbd0;min-height:40px}
.language-menu a:hover{background:#272b31;color:var(--text)}
.language-menu a[aria-current]{background:#332c1f;color:var(--gold)}
.language-menu a:focus-visible{outline-offset:-2px}
.language-menu a span:last-child:not(:nth-child(2)){margin-inline-start:auto}
.hero-copy,.section-head>div,.tool-card,.support>div,.header-links{min-width:0}
h1,h2,h3,p,.wordmark span{overflow-wrap:anywhere}
.art-label{max-width:70%;text-align:center}
.not-found-languages{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.not-found-languages h2{font-size:18px}
html[dir=rtl] .hero h1,html[dir=rtl] .document h1{letter-spacing:0;line-height:1.45}
html[dir=rtl] .eyebrow,html[dir=rtl] .art-label,html[dir=rtl] .wordmark span,html[dir=rtl] .preview{letter-spacing:0}
html[lang^=zh] h1,html[lang=ja] h1,html[lang=ko] h1{letter-spacing:-.02em;line-height:1.3}
@media(max-width:700px){.language-picker{font-size:11px}.language-picker summary{padding:8px 10px}.header-links{flex-wrap:wrap;gap:12px}.hero h1{font-size:clamp(34px,8vw,43px)}.not-found-languages{grid-template-columns:1fr}}
.guide-topic-library{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.3rem}.guide-topic-card{display:block;padding:1rem;border:1px solid #34414c;border-radius:16px;background:#121a23;color:inherit;text-decoration:none}.guide-topic-card img{width:100%;height:95px;object-fit:cover;border-radius:10px}.guide-topic-card small{display:block;margin-top:.8rem;color:#d6b46d}.guide-topic-card h3{font-size:1.03rem;line-height:1.4}.guide-topic-card p{font-size:.86rem;color:#b6c2d1;line-height:1.65}.guide-topic-card span{color:#e8c87d}.guide-static-art{margin-inline:0}.guide-static-art img{max-width:100%;height:auto;border-radius:16px}.guide-static-art figcaption,.guide-byline{font-size:.8rem;color:#aab9cb}.guide-static-contents{display:flex;flex-wrap:wrap;gap:.5rem;padding:1rem;background:#17212b;border-radius:14px}.guide-static-contents a{font-size:.85rem}.guide-static-chapter{margin-block:2rem;scroll-margin-top:90px;border-top:1px solid #35414c;padding-top:1.6rem}.guide-document p,.guide-document li{line-height:1.85}.guide-static-caution{padding:1rem;border-inline-start:3px solid #d8b35d;background:#30281855}.guide-static-practice details{margin:.8rem 0;padding:1rem;border:1px solid #35414c;border-radius:12px}.guide-static-practice summary{cursor:pointer;font-weight:600}.guide-materials{display:flex;flex-wrap:wrap;gap:.5rem}.guide-material{display:flex;align-items:center;gap:.4rem;padding:.5rem;background:#172330;border-radius:9px;font-size:.85rem;text-decoration:none}.guide-material img{object-fit:contain}.guide-related{display:grid;gap:.7rem}
@media(max-width:850px){.guide-topic-library{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){.guide-topic-library{grid-template-columns:1fr}.guide-static-contents{display:grid}.guide-document h1{overflow-wrap:anywhere}}