@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400;600;800&family=Noto+Sans+SC:wght@400;600;800&display=swap");
:root{--ink:#0B1F18;--bg:#F7FAF5;--card:#fff;--mint:#2EE6A6;--mint-d:#12B886;--mint-l:#E6FBF3;--orange:#F0753A;--blue:#2F5BEA;--muted:#5B6E66;--line:#DCE7E0;--r:18px;--font:"Geist","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.75 var(--font)}
a{color:var(--mint-d);text-underline-offset:3px}a:hover{color:var(--ink)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;gap:10px;align-items:center;font-weight:800;color:var(--ink);text-decoration:none;font-size:18px}.brand img{width:36px;height:36px}
.nav .pill{font-size:14px;border:1px solid var(--line);border-radius:999px;padding:6px 14px;color:var(--muted);text-decoration:none;background:#fff}
.hero{background:var(--ink);color:#EAF5EF;border-radius:28px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:56px;overflow:hidden;margin-top:8px}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.12;margin:0 0 16px;letter-spacing:-.02em;color:#fff}.hero h1 span{color:var(--mint)}
.hero p{margin:0 0 10px;color:#B9CCC3}.hero p.en{font-size:15px;color:#8FA59B}
.hero img{width:100%;height:auto}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--ink);background:var(--mint);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0 64px}
.mod{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:10px;box-shadow:0 1px 0 rgba(11,31,24,.04),0 12px 30px -18px rgba(11,31,24,.25)}
.mod img{width:56px;height:56px}.mod h2{margin:6px 0 0;font-size:22px;line-height:1.3}
.mod ul{list-style:none;padding:0;margin:0}.mod li{padding:12px 0;border-top:1px dashed var(--line);font-size:16px;line-height:1.6}
.mod small,.soon{color:var(--muted);font-size:14px}.soon{display:inline-block;background:#FFF1E6;color:#B4501F;border-radius:999px;padding:3px 10px}
footer{color:var(--muted);font-size:14px;padding:24px 0 48px;border-top:1px solid var(--line)}
/* lesson */
.lesson{max-width:760px;margin:0 auto;padding:0 20px 64px}
.lesson .kicker small{display:inline-block;background:var(--mint-l);color:#0A7A58;font-weight:600;border-radius:999px;padding:4px 12px;font-size:13px}
.lesson h1{font-size:clamp(28px,4.4vw,44px);line-height:1.2;letter-spacing:-.015em;margin:14px 0 20px}
.lesson .cover{width:100%;height:auto;border-radius:24px;margin:8px 0 28px;display:block}
.lesson h2{font-size:24px;margin:44px 0 14px;display:flex;gap:10px;align-items:center}
.lesson h2::before{content:"";width:10px;height:24px;border-radius:4px;background:var(--mint)}
.lesson .lede{font-size:19px}
.check{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px 18px 58px;margin:12px 0;box-shadow:0 10px 24px -20px rgba(11,31,24,.35)}
.check::before{content:"";position:absolute;left:18px;top:21px;width:24px;height:24px;border-radius:7px;background:var(--mint) url("img/check.svg") center/14px no-repeat}
.callout{background:#FFF6EE;border-left:4px solid var(--orange);border-radius:12px;padding:14px 18px}
.about{background:var(--ink);color:#CFE0D8;border-radius:var(--r);padding:20px 22px;margin-top:40px;font-size:15px}
@media (max-width:860px){.hero{grid-template-columns:1fr;padding:32px 24px;border-radius:22px}.hero .art{order:-1;max-width:360px}.modules{grid-template-columns:1fr;gap:14px;margin:24px 0 40px}.wrap{padding:0 16px}body{font-size:16px}.lesson h2{font-size:21px}}
.callout+.callout{margin-top:12px}.callout{margin:12px 0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* FAQ: h3 question + following answer paragraph (lesson pages) */
.lesson:not(.news-issue) h3{position:relative;margin:16px 0 0;padding:16px 20px 6px 54px;background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:var(--r) var(--r) 0 0;font-size:18px;line-height:1.45}
.lesson:not(.news-issue) h3::before{content:"Q";position:absolute;left:18px;top:16px;width:24px;height:24px;border-radius:7px;background:var(--ink);color:var(--mint);font-size:13px;font-weight:800;line-height:24px;text-align:center}
.lesson:not(.news-issue) h3+p{margin:0 0 4px;padding:2px 20px 16px 54px;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r) var(--r);color:#2C3F38;font-size:16px;box-shadow:0 10px 24px -20px rgba(11,31,24,.35)}
@media (max-width:860px){.lesson:not(.news-issue) h3{font-size:17px;padding:14px 16px 4px 48px}.lesson:not(.news-issue) h3::before{left:14px;top:15px}.lesson:not(.news-issue) h3+p{padding:2px 16px 14px 48px;font-size:15px}}
/* 404: <main class="notfound"><img class="notfound-art" src="/assets/img/404.svg" alt=""><h1 class="notfound-title">…</h1><p class="notfound-text">…</p><div class="notfound-actions"><a class="notfound-btn" href="/">…</a><a class="notfound-link" href="…">…</a></div></main> */
.notfound{max-width:560px;margin:0 auto;padding:24px 20px 72px;text-align:center}
.notfound-art{width:100%;max-width:400px;height:auto;margin:0 auto 8px;display:block}
.notfound-title{font-size:clamp(26px,4vw,36px);line-height:1.25;margin:8px 0 10px;letter-spacing:-.01em}
.notfound-text{color:var(--muted);margin:0 0 24px}
.notfound-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.notfound-btn{display:inline-block;background:var(--ink);color:#fff;font-weight:600;border-radius:999px;padding:10px 22px;text-decoration:none}.notfound-btn:hover{color:var(--mint)}
.notfound-link{display:inline-block;padding:10px 12px;font-weight:600}
/* ===== news (scoped to body.news-body-page) ===== */
.news-body-page{background:#fff;color:#111816}
.news-body-page .news-wrap{max-width:1240px}
.news-body-page .nav{border-bottom:1px solid #111816;padding:14px 0}
.news-page{max-width:1240px;margin:0 auto;padding:0 24px 48px;display:grid;grid-template-columns:minmax(0,1fr) 260px;grid-template-areas:"mast mast" "main side" "foot foot";column-gap:56px}
.news-masthead{grid-area:mast;padding:28px 0 20px;border-bottom:1px solid #D9DEDB;margin-bottom:4px}
.news-kicker{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#0A7A58}
.news-masthead h1{margin:0;font-size:34px;line-height:1.15;letter-spacing:-.02em;font-weight:800}
.news-dek{margin:8px 0 0;font-size:15px;line-height:1.55;color:#5F6B66;max-width:640px}
.news-main{grid-area:main;min-width:0}
.news-side{grid-area:side;position:sticky;top:0;align-self:start;padding-top:20px}
.news-updated{margin:0 0 20px;display:flex;flex-direction:column;gap:2px;font-size:12px;color:#6B7570}
.news-updated span{font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.news-updated time{font-size:15px;font-weight:600;color:#111816;font-variant-numeric:tabular-nums}
.news-filter{display:flex;flex-direction:column;border-top:2px solid #111816}
.news-filter a{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px solid #E6EAE8;color:#3A4440;text-decoration:none;font-size:14px;font-weight:500}
.news-filter a small{font-size:12px;color:#8A938F;font-variant-numeric:tabular-nums}
.news-filter a:hover{color:#111816}
.news-filter a[aria-current]{color:#111816;font-weight:700;box-shadow:inset 3px 0 0 var(--mint);padding-left:10px}
.news-side-more{margin:16px 0 0;font-size:14px}.news-side-more a,.news-foot a{color:#111816;font-weight:600}
.news-day{margin:28px 0 0;padding-top:10px;border-top:2px solid #111816;font-size:15px;font-weight:800;letter-spacing:.01em}
.news-day:first-child{margin-top:16px}
.news-batch-h{margin:14px 0 0;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#8A938F}
.news-item{display:block;padding:16px 0;border-bottom:1px solid #E6EAE8}
.news-batch-h+.news-item{padding-top:10px}
.news-item p{margin:0}
.news-time{display:none;font-size:13px;color:#8A938F;font-variant-numeric:tabular-nums;padding-top:3px;line-height:1.3}
.news-tag{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#6B7570;margin-bottom:4px!important;line-height:1.4}
.news-tag::before{content:"";display:inline-block;width:6px;height:6px;margin:0 6px 1px 0;background:currentColor;vertical-align:middle}
.news-tag[data-category=tech]{color:#2F5BEA}.news-tag[data-category=security]{color:#B4501F}.news-tag[data-category=regulation]{color:#6B46C1}.news-tag[data-category=industry]{color:#0A7A58}
.news-headline{margin:0 0 6px;font-size:19px;line-height:1.35;font-weight:700;letter-spacing:-.005em}
.news-headline a{color:#111816;text-decoration:none}.news-headline a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.news-comment{font-size:15px;line-height:1.6;color:#4E5A55;max-width:720px}
.news-meta{margin-top:8px!important;font-size:12px;color:#8A938F;display:flex;flex-wrap:wrap;gap:0 12px;align-items:baseline}
.news-source{font-weight:600;color:#3A4440}
.news-meta-time{font-variant-numeric:tabular-nums}
.news-link{color:#0A7A58;text-decoration:none;font-weight:600}.news-link:hover{text-decoration:underline}
.news-foot{grid-area:foot;margin-top:32px;padding-top:14px;border-top:1px solid #D9DEDB;font-size:12px;color:#8A938F;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.news-foot p{margin:0}
.news-empty{color:#6B7570;padding:24px 0}
@media (max-width:900px){
 .news-page{display:block;padding:0 16px 32px}
 .news-masthead{padding:18px 0 12px}.news-masthead h1{font-size:26px}.news-dek{font-size:14px}
 .news-side{position:sticky;top:0;z-index:5;background:#fff;padding:0;margin:0 -16px;border-bottom:1px solid #D9DEDB}
 .news-updated,.news-side-more{display:none}
 .news-filter{flex-direction:row;border-top:0;overflow-x:auto;scrollbar-width:none;padding:0 16px;gap:20px}
 .news-filter::-webkit-scrollbar{display:none}
 .news-filter a{flex:none;border:0;padding:11px 0 9px;gap:4px;font-size:14px}
 .news-filter a[aria-current]{box-shadow:inset 0 -2px 0 #111816;padding-left:0}
 .news-item{display:block;padding:14px 0}
 .news-headline{font-size:17px}.news-comment{font-size:14px}
 .news-day{margin-top:20px}
 .news-foot{display:block}.news-foot p+p{margin-top:6px}
}
/* ===== editorial v2: home + lessons (scoped; news page excluded) ===== */
body:not(.news-body-page){background:#fff;color:#111816}
body:not(.news-body-page) .wrap{max-width:1240px}
body:not(.news-body-page) .nav{border-bottom:1px solid #111816;padding:14px 0}
body:not(.news-body-page) .nav .pill{border-radius:3px;border-color:#D9DEDB;padding:4px 12px;font-size:13px;color:#3A4440;background:#fff}
/* home */
body:not(.news-body-page) .hero{background:none;color:#111816;border-radius:0;padding:40px 0 36px;margin:0;grid-template-columns:minmax(0,1fr) 440px;gap:56px;border-bottom:1px solid #D9DEDB}
body:not(.news-body-page) .hero h1{color:#111816;font-size:52px;line-height:1.08;letter-spacing:-.025em;margin:0 0 18px}
body:not(.news-body-page) .hero h1 span{color:#0A7A58}
body:not(.news-body-page) .hero p{color:#3A4440;font-size:18px;line-height:1.6;max-width:600px}
body:not(.news-body-page) .hero p.en{color:#6B7570;font-size:15px}
body:not(.news-body-page) .eyebrow{background:none;padding:0;border-radius:0;color:#0A7A58;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
body:not(.news-body-page) .hero .art{max-width:440px}
body:not(.news-body-page) .modules{gap:0;margin:0 0 48px;border-top:2px solid #111816;margin-top:36px}
body:not(.news-body-page) .mod{background:none;border:0;border-radius:0;box-shadow:none;padding:20px 28px 24px;gap:8px;border-left:1px solid #E6EAE8}
body:not(.news-body-page) .mod:first-child{border-left:0;padding-left:0}
body:not(.news-body-page) .mod img{width:40px;height:40px}
body:not(.news-body-page) .mod h2{font-size:20px;margin:4px 0 2px}
body:not(.news-body-page) .mod li{border-top:1px solid #E6EAE8;font-size:15px;color:#3A4440;padding:12px 0 0}
body:not(.news-body-page) .mod a{color:#111816;font-weight:600;text-decoration:none;border-bottom:1px solid #9FB3AA}
body:not(.news-body-page) .mod a:hover{border-color:#111816}
body:not(.news-body-page) .soon{background:none;color:#B4501F;padding:0;border-radius:0;font-weight:600}
body:not(.news-body-page) footer{font-size:12px;color:#8A938F;border-top:1px solid #D9DEDB}
/* lessons: side-heads grid */
body:not(.news-body-page) .lesson{max-width:1240px;padding:0 24px 56px;display:grid;grid-template-columns:240px minmax(0,780px);column-gap:56px;align-items:start}
body:not(.news-body-page) .lesson>*{grid-column:2}
body:not(.news-body-page) .lesson>.kicker,body:not(.news-body-page) .lesson>h1{grid-column:1/-1}
body:not(.news-body-page) .lesson .kicker{margin:32px 0 0}
body:not(.news-body-page) .lesson .kicker small{background:none;padding:0;border-radius:0;color:#0A7A58;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
body:not(.news-body-page) .lesson h1{font-size:44px;line-height:1.12;letter-spacing:-.025em;margin:10px 0 28px;max-width:1000px;padding-bottom:24px;border-bottom:1px solid #D9DEDB}
body:not(.news-body-page) .lesson .cover{border-radius:4px;margin:0 0 24px}
body:not(.news-body-page) .lesson .lede{font-size:20px;line-height:1.6;color:#111816}
body:not(.news-body-page) .lesson p{margin:0 0 16px;color:#2C3632}
body:not(.news-body-page) .lesson h2{grid-column:1;margin:0;padding-top:12px;border-top:2px solid #111816;font-size:17px;line-height:1.35;display:block;position:sticky;top:12px}
body:not(.news-body-page) .lesson h2::before{display:none}
body:not(.news-body-page) .lesson h2+*{border-top:1px solid #E6EAE8;padding-top:14px;margin-top:0}
body:not(.news-body-page) .lesson>h2~*{}
body:not(.news-body-page) .check{background:none;border:0;border-bottom:1px solid #E6EAE8;border-radius:0;box-shadow:none;padding:2px 0 14px 32px;margin:0 0 14px}
body:not(.news-body-page) .lesson h2+.check{padding-top:14px}
body:not(.news-body-page) .check::before{left:0;top:6px;width:18px;height:18px;border-radius:2px;background-size:11px}
body:not(.news-body-page) .lesson h2+.check::before{top:18px}
body:not(.news-body-page) .callout{background:#FBF7F3;border-left:2px solid #B4501F;border-radius:0;padding:14px 18px;color:#2C3632}
body:not(.news-body-page) .about{background:none;border-top:1px solid #D9DEDB;border-radius:0;padding:14px 0 0;margin-top:24px;color:#6B7570}
body:not(.news-body-page) .about small{font-size:13px}
/* FAQ */
body:not(.news-body-page) .lesson:not(.news-issue) h3{grid-column:2;background:none;border:0;border-top:1px solid #E6EAE8;border-radius:0;padding:16px 0 4px 32px;margin:0;font-size:17px}
body:not(.news-body-page) .lesson h2+h3{border-top:1px solid #E6EAE8}
body:not(.news-body-page) .lesson:not(.news-issue) h3::before{left:0;top:18px;width:20px;height:20px;line-height:20px;border-radius:2px;font-size:12px;background:#111816;color:var(--mint)}
body:not(.news-body-page) .lesson:not(.news-issue) h3+p{background:none;border:0;border-radius:0;box-shadow:none;padding:0 0 16px 32px;margin:0;color:#4E5A55}
@media (max-width:900px){
 body:not(.news-body-page) .hero{grid-template-columns:1fr;gap:16px;padding:20px 0 24px}
 body:not(.news-body-page) .hero .art{order:-1;max-width:300px}
 body:not(.news-body-page) .hero h1{font-size:34px}body:not(.news-body-page) .hero p{font-size:16px}
 body:not(.news-body-page) .modules{grid-template-columns:1fr;margin-top:20px}
 body:not(.news-body-page) .mod{border-left:0;padding:18px 0;border-bottom:1px solid #E6EAE8}
 body:not(.news-body-page) .lesson{display:block;padding:0 16px 40px}
 body:not(.news-body-page) .lesson .kicker{margin-top:18px}
 body:not(.news-body-page) .lesson h1{font-size:28px;margin-bottom:18px;padding-bottom:16px}
 body:not(.news-body-page) .lesson .lede{font-size:17px}
 body:not(.news-body-page) .lesson h2{position:static;margin:28px 0 0;padding-top:10px;font-size:19px}
 body:not(.news-body-page) .lesson h2+*{border-top:0}
 body:not(.news-body-page) .lesson:not(.news-issue) h3{font-size:16px}
}
body:not(.news-body-page) .lesson h2{position:static}
body:not(.news-body-page) .lesson h1{max-width:none}
body:not(.news-body-page) .lesson .cover{max-width:620px}
body:not(.news-body-page) .lesson .cover[src*="flow"]{max-width:100%}