@font-face{font-family:"AD Field";src:url("fonts/noto-sans-sc-subset.woff2?v=english-first-20261011") format("woff2");font-weight:100 900;font-display: swap;}
:root{--navy:#001f3f;--teal:#007d86;--mint:#92e4da;--paper:#f5f9fb;--ink:#123344;--muted:#54717d;--line:#c8d7dc;--font:"AD Field","Microsoft YaHei","PingFang SC",sans-serif;}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.75}a{color:inherit;text-underline-offset:5px}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid var(--teal);outline-offset:6px}button:disabled{cursor:default}img,video{display:block;max-width:100%}.wrap{width:min(1160px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;z-index:20;background:var(--mint);padding:12px 20px}.skip:focus{top:12px}.masthead{display:flex;align-items:center;justify-content:space-between;height:92px}.wordmark{font-size:16px;font-weight:750;letter-spacing:2px;text-decoration:none}.wordmark span{color:var(--teal);font-size:12px}.masthead nav{display:flex;gap:29px;font-size:14px}.masthead nav a{text-decoration:none}.masthead nav a:hover{color:var(--teal)}
.hero{background:var(--navy);color:var(--paper);overflow:hidden}.hero-inner{position:relative;min-height:610px;padding-top:57px;padding-bottom:27px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:650;color:var(--teal);margin:0 0 25px}.hero .eyebrow{color:#b2cbd7;position:relative;z-index:3}.hero:has(.hero-art){background:radial-gradient(ellipse at 86% 45%,#085766,var(--navy) 67%)}h1{position:relative;z-index:3;margin:34px 0 24px;max-width:850px;transform:rotate(-3deg) skewX(-4deg);transform-origin:left;line-height:1.15;letter-spacing:-.055em}h1 span{display:block;font-size:clamp(30px,4.7vw,64px);font-weight:380}h1 strong{display:block;font-size:clamp(45px,7.4vw,101px);font-weight:820;color:var(--mint);margin-top:10px;text-shadow:0 5px 28px #001f3f55}.hero-art{position:absolute;right:10px;top:67px;width:35%;height:423px;transform:perspective(1200px) rotateY(-9deg) rotate(9deg);background:var(--paper);padding:10px;border-radius:12px;box-shadow:22px 29px 70px #0007}.hero-art img{height:calc(100% - 35px);width:100%;object-fit:cover;object-position:15% 20%;border-radius:4px}.hero-art span{display:block;font-size:10px;color:var(--navy);letter-spacing:1.5px;padding:12px 4px}.hero-copy{position:relative;z-index:4;max-width:620px;font-size:22px;color:#d4e4eb;margin-top:34px;line-height:1.8}.actions{display:flex;align-items:center;gap:29px;margin:27px 0 54px;position:relative;z-index:4}.button{display:inline-flex;gap:28px;align-items:center;padding:13px 22px;text-decoration:none;font-size:16px;font-weight:650}.primary{color:var(--navy);background:var(--mint);border-radius:4px}.primary:hover{background:#c0fff2}.text-link{font-size:15px;color:#d7e8ed}.hero a:focus-visible{outline-color:var(--mint)}.hero-foot{display:flex;justify-content:space-between;border-top:1px solid #c1efef33;padding-top:20px;font-size:12px;color:#b2cbd7}
.film-section,.details-section{padding-block:93px 87px}.section-heading{display:flex;justify-content:space-between;gap:65px;align-items:end;margin-bottom:42px}.section-heading>p{max-width:400px;font-size:17px;color:var(--muted);margin:0 0 6px;line-height:1.85}.section-heading h2{font-size:clamp(32px,4.3vw,53px);line-height:1.3;font-weight:430;letter-spacing:-.04em;margin:0}.section-heading em{color:var(--teal);font-style:normal;font-weight:760}.film-frame{padding:9px;background:var(--navy);border-radius:9px;box-shadow:0 17px 50px #001f3f18}.film-frame video{aspect-ratio:16/9;width:100%;background:var(--navy);border-radius:4px}.film-tools{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin:12px 0 24px}.film-tools p{margin:0}.chapters{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:0;margin:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scroll-margin-top:35px}.chapters li{min-width:0}.chapters button{background:none;border:0;color:var(--navy);padding:18px 10px 18px 0;width:100%;text-align:left;font-size:18px;font-weight:650}.chapters span{display:block;font-size:11px;font-weight:450;color:var(--muted);margin-bottom:6px}.chapters button:hover{color:var(--teal);background:#dcefed}.transcript{margin-top:20px}.transcript p{max-width:850px}details summary{cursor:pointer;font-size:16px;padding:13px 0;color:var(--navy)}details p{color:var(--muted);font-size:16px;line-height:1.9;margin:5px 0 23px}
.start-section{background:#e4eff0;padding-block:83px 74px}.install-line{display:flex;gap:24px;align-items:center;justify-content:space-between;background:var(--navy);color:var(--paper);padding:23px 27px;border-radius:5px}.install-line code{font-size:15px;overflow-wrap:anywhere;font-family:ui-monospace,Consolas,monospace;line-height:1.8;min-width:0}.copy{white-space:nowrap;border:0;border-bottom:1px solid currentColor;color:var(--teal);padding:0 0 3px;background:none;font-size:14px}.install-line .copy{color:var(--mint);flex-shrink:0}.install-note{font-size:13px;color:var(--muted);margin:12px 0 59px}.prompt-row{display:grid;grid-template-columns:1fr 1.16fr;gap:90px;border-top:1px solid #a9c7cd;padding:45px 0 46px;scroll-margin-top:30px}.prompt-intro{position:relative;padding-left:62px}.number{position:absolute;left:0;top:-11px;font-size:44px;font-weight:300;color:var(--teal);letter-spacing:-4px}.prompt-intro h3{font-size:29px;line-height:1.5;margin:0 0 19px;font-weight:650;letter-spacing:-1px}.prompt-intro p{font-size:16px;color:var(--muted);max-width:360px;margin:0}.prompt{font-size:20px;line-height:1.85;margin:0 0 15px;text-wrap:pretty}.outcome{font-size:14px;line-height:1.85;color:var(--muted);margin:26px 0 0}.outcome strong{color:var(--teal);margin-right:9px}.follow-on{border-top:1px solid #a9c7cd;padding-top:30px;margin:0;font-size:16px;color:var(--muted)}.follow-on q{color:var(--navy);quotes:'“' '”'}
.details-links{display:grid;grid-template-columns:1fr 1fr;gap:45px;margin-top:42px}.details-links a{display:block;font-size:27px;text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:23px;font-weight:650}.details-links span{display:block;color:var(--muted);font-size:12px;margin-bottom:7px;font-weight:450}.details-links a:hover{color:var(--teal)}.fine-print{font-size:12px;color:var(--muted);margin:16px 0 37px}.details-section>details{border-bottom:1px solid var(--line)}.details-section>details summary{padding-block:20px}.docs-links{display:flex;flex-wrap:wrap;gap:25px;font-size:14px;margin:33px 0 0}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-block:25px 32px;font-size:12px;color:var(--muted)}footer a{text-decoration:none}.status:empty{display:none}.status{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:calc(100% - 36px);width:max-content;z-index:10;background:var(--navy);color:var(--paper);padding:13px 24px;border:1px solid var(--mint);border-radius:5px;font-size:15px;margin:0}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.hero-inner{min-height:565px}.hero-art{right:1%;width:37%;height:342px;top:86px}.hero-copy{font-size:19px}.section-heading{gap:35px}.section-heading>p{max-width:330px;font-size:15px}.prompt-row{gap:45px;grid-template-columns:1fr 1.15fr}.prompt-intro{padding-left:48px}.prompt-intro h3{font-size:25px}.prompt{font-size:18px}.number{font-size:37px}.install-line{padding:22px}.install-line code{font-size:13px}.chapters button{font-size:15px}}
@media(max-width:620px){.wrap{width:calc(100% - 36px)}.masthead{height:74px}.wordmark{font-size:12px;letter-spacing:1px}.masthead nav{gap:17px;font-size:12px}.masthead nav a:first-child{display:none}.hero-inner{min-height:620px;padding-top:33px}.hero .eyebrow{font-size:10px;margin-bottom:28px}h1{margin-top:24px;margin-bottom:22px;letter-spacing:-.06em}h1 span{font-size:33px}h1 strong{font-size:clamp(41px,10.2vw,61px)}.hero-art{top:305px;right:18px;width:43%;height:250px;transform:perspective(1100px) rotateY(-8deg) rotate(9deg)}.hero-art span{font-size:7px;padding-top:10px}.hero-copy{font-size:17px;margin-top:29px;line-height:1.9;max-width:350px}.actions{flex-direction:column;align-items:flex-start;gap:19px;max-width:48%;margin-top:40px;margin-bottom:107px}.button{font-size:13px;padding:12px 14px;gap:10px}.text-link{font-size:12px}.hero-foot{gap:20px;font-size:10px}.hero-foot span:last-child{display:none}.film-section,.details-section{padding-block:58px}.section-heading{display:block;margin-bottom:29px}.section-heading .eyebrow{font-size:10px;margin-bottom:18px}.section-heading h2{font-size:34px}.section-heading>p{margin-top:22px;max-width:none;font-size:15px}.film-frame{padding:4px;border-radius:5px}.film-tools{font-size:10px;gap:12px}.chapters{grid-template-columns:repeat(3,minmax(0,1fr))}.chapters button{font-size:14px;padding-block:13px}.chapters span{font-size:10px}.transcript summary{font-size:14px}.start-section{padding-block:56px}.install-line{align-items:flex-start;flex-direction:column;padding:20px;gap:14px}.install-line code{font-size:13px}.install-note{font-size:12px;margin-bottom:40px}.prompt-row{display:block;padding-block:30px}.prompt-intro{padding-left:47px}.prompt-intro h3{font-size:24px}.prompt-intro p{font-size:15px;max-width:none}.prompt-body{margin-top:25px;padding-left:47px}.prompt{font-size:17px}.outcome{font-size:13px}.follow-on{font-size:15px}.details-links{gap:20px;margin-top:29px}.details-links a{font-size:21px}.details-links span{font-size:10px}.docs-links{gap:14px;font-size:13px}footer{display:block;font-size:11px}footer a{display:block;margin-top:8px}.status{font-size:13px;padding:12px 15px}}
/* Language changes preserve the visual grammar while allowing different line lengths. */
html:lang(en) h1{max-width:1000px}html:lang(en) h1 strong{font-size:clamp(45px,7vw,94px);letter-spacing:-.055em}html:lang(en) .hero-copy{max-width:665px}html:lang(en) .section-heading h2{line-height:1.12}html:lang(en) .chapters button{font-size:16px}.masthead nav a[data-language-link]{border-left:1px solid var(--line);padding-left:20px}.film-tools>span{flex-shrink:0}.role-section{padding:80px 0 62px;background:var(--navy);color:var(--paper)}.role-section .eyebrow,.role-section em{color:var(--mint)}.role-section .section-heading>p{color:#b2cbd7}.role-figure{margin:0 -2px 24px}.role-figure img{width:100%;height:auto;border:1px solid #92e4da30;border-radius:6px}.role-links{display:flex;flex-wrap:wrap;gap:17px 34px;padding-top:20px;border-top:1px solid #92e4da44;font-size:15px}.role-links a{text-decoration:none}.role-links a:hover{color:var(--mint)}.role-links span{color:var(--mint);margin-right:5px;font-size:12px}.role-note{max-width:870px;color:#b2cbd7;font-size:14px;margin:27px 0 16px}.role-more{display:flex;gap:27px;font-size:13px;color:var(--mint);margin:0}.role-section a:focus-visible{outline-color:var(--mint)}.role-mobile,.role-feedback{display:none}
@media(max-width:900px){html:lang(en) .hero-copy{max-width:65%;font-size:18px}.masthead nav{gap:20px}}
@media(max-width:620px){.masthead nav{gap:14px}.masthead nav a[data-language-link]{padding-left:13px}.masthead nav .film-nav{display:none}html:lang(en) .hero-inner{min-height:710px}html:lang(en) h1 strong{font-size:clamp(47px,12.8vw,69px);max-width:440px;line-height:1.05}html:lang(en) .hero-copy{max-width:100%;font-size:17px;line-height:1.7}html:lang(en) .hero-art{top:397px;height:225px}html:lang(en) .actions{margin-bottom:119px;gap:21px}html:lang(en) .hero .eyebrow{font-size:9px;letter-spacing:1.3px}html:lang(en) .chapters button{font-size:14px;line-height:1.5}.film-tools{align-items:flex-start}.film-tools>p{max-width:58%}.role-section{padding:54px 0 44px}.role-figure,.role-links{display:none}.role-mobile{display:block;list-style:none;margin:36px 0 0;padding:0}.role-mobile li{display:grid;grid-template-columns:40px 1fr;gap:14px;position:relative;padding:0 0 34px}.role-mobile li:not(:last-child)::after{content:"↓";position:absolute;left:11px;bottom:9px;color:var(--mint);font-size:18px}.role-number{width:34px;height:34px;border-radius:50%;background:var(--mint);color:var(--navy);display:grid;place-items:center;font-size:14px;font-weight:700}.role-mobile a{font-size:12px;color:var(--mint);text-decoration:none}.role-mobile h3{font-size:25px;line-height:1.25;letter-spacing:-.5px;margin:10px 0}.role-mobile p{font-size:14px;line-height:1.65;color:#b2cbd7;margin:0}.role-feedback{display:block;border-top:1px solid #92e4da44;padding-top:23px;margin:0;color:var(--mint);font-size:15px}.role-note{font-size:13px}.role-more{display:block;font-size:13px}.role-more a{display:block;margin-top:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}