.brief-page{background:#f6f7fa}.brief-page .site-header a[aria-current="page"],.brief-page .site-footer a[aria-current="page"]{color:#0066cc;font-weight:700}
.brief-hero{position:relative;isolation:isolate;min-height:630px;display:flex;align-items:center;overflow:hidden;padding:154px max(24px,calc((100vw - 1220px)/2)) 120px;background:radial-gradient(circle at 83% 27%,#264873 0%,transparent 34%),radial-gradient(circle at 70% 98%,#1f2945 0%,transparent 38%),#101319;color:#fff}
.brief-hero:before{position:absolute;z-index:-1;inset:0;content:"";background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:74px 74px;mask-image:linear-gradient(90deg,transparent,#000)}
.brief-hero-inner{position:relative;z-index:2;width:min(100%,900px)}.brief-kicker{display:flex;align-items:center;gap:12px;margin:0 0 27px;color:#a9d5ff;font-size:11px;font-weight:750;letter-spacing:.16em;text-transform:uppercase}.brief-kicker-line{width:27px;height:1px;background:#a9d5ff}
.brief-hero h1{margin:0;font-size:clamp(54px,7vw,94px);font-weight:680;letter-spacing:-.065em;line-height:1.01}.brief-hero h1 em{font-style:normal;background:linear-gradient(90deg,#a9d5ff,#d4c7ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.brief-lead{max-width:710px;margin:29px 0 33px;color:#c8d0db;font-size:clamp(16px,1.65vw,20px);line-height:1.6;letter-spacing:-.014em}.brief-hero-meta{display:flex;gap:12px;flex-wrap:wrap}.brief-hero-meta span{padding:9px 12px;border:1px solid #ffffff30;border-radius:100px;color:#d4dbe6;font-size:11px}.brief-orbit{position:absolute;right:-80px;top:50%;width:550px;height:550px;transform:translateY(-50%);border:1px solid #ffffff20;border-radius:50%;box-shadow:0 0 0 65px #ffffff07,0 0 0 130px #ffffff05}.brief-orbit span{position:absolute;border:1px solid #ffffff1f;border-radius:50%}.brief-orbit span:nth-child(1){inset:75px}.brief-orbit span:nth-child(2){inset:150px}.brief-orbit span:nth-child(3){inset:225px;background:#9bc6ff35}
.brief-content{width:min(calc(100% - 48px),1220px);margin:auto}.brief-intro{display:grid;grid-template-columns:.88fr 1.12fr;gap:80px;align-items:end;padding:100px 0 85px}.brief-eyebrow{display:block;margin:0 0 12px;color:#0066cc;font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase}.brief-intro h2,.brief-topic h2,.brief-outro h2{margin:0;letter-spacing:-.06em;line-height:1.04}.brief-intro h2{font-size:clamp(42px,5vw,66px)}.brief-intro>p{max-width:650px;margin:0 0 5px;color:#666b76;font-size:16px;line-height:1.72}.brief-intro>p em{font-style:normal;color:#1d1d1f;font-weight:650}
.brief-toolbar{position:sticky;z-index:30;top:86px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 13px;border:1px solid #e4e8ef;border-radius:20px;background:#fffffff0;box-shadow:0 12px 40px #1d293b0b;backdrop-filter:blur(20px)}.brief-filters{display:flex;gap:4px;flex-wrap:wrap}.brief-filters button{min-height:39px;padding:10px 14px;border:0;border-radius:12px;background:transparent;color:#5c626f;font-size:12px;font-weight:650;cursor:pointer;white-space:nowrap}.brief-filters button:hover{background:#eef3fa;color:#27364a}.brief-filters button.active{background:#162238;color:#fff}.brief-filters button:focus-visible,.brief-card a:focus-visible{outline:3px solid #80baff;outline-offset:2px}.brief-result{margin:0 11px 0 0;color:#77808c;font-size:11px;white-space:nowrap}
.brief-topic{padding:94px 0 0;scroll-margin-top:165px}.brief-topic[hidden]{display:none}.brief-topic-head{display:grid;grid-template-columns:100px 1fr;gap:32px;align-items:start;margin-bottom:29px}.brief-index{padding-top:5px;color:#8d99a9;font-size:11px;font-weight:700;letter-spacing:.12em}.brief-topic h2{font-size:clamp(38px,4.4vw,60px)}.brief-topic-head p:last-child{max-width:610px;margin:16px 0 0;color:#737b88;font-size:15px;line-height:1.6}.brief-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.brief-card{min-width:0;min-height:285px;display:flex;flex-direction:column;padding:31px;border:1px solid #e8ebf0;border-radius:27px;background:#fff;box-shadow:0 10px 35px #1d293b08;transition:transform .22s,box-shadow .22s}.brief-card:hover{transform:translateY(-3px);box-shadow:0 20px 45px #1d293b13}.brief-card-top{display:flex;justify-content:space-between;gap:14px;align-items:start;color:#727b88;font-size:11px}.brief-type{color:#0066cc;font-weight:750;letter-spacing:.02em}.brief-card time{white-space:nowrap}.brief-card h3{max-width:540px;margin:27px 0 13px;font-size:clamp(23px,2.15vw,30px);font-weight:670;letter-spacing:-.045em;line-height:1.18}.brief-card>p{margin:0 0 26px;color:#666b75;font-size:14px;line-height:1.62}.brief-card-bottom{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-top:auto;padding-top:18px;border-top:1px solid #edf0f3}.brief-card-bottom>span{max-width:65%;color:#858b96;font-size:11px;line-height:1.45}.brief-card-bottom a{flex:none;color:#0066cc;font-size:12px;font-weight:700;white-space:nowrap}.brief-card-bottom a:hover{text-decoration:underline}
.brief-outro{position:relative;isolation:isolate;overflow:hidden;margin:110px 0 95px;padding:70px;border-radius:35px;background:radial-gradient(circle at 90% 15%,#25528b,transparent 38%),#11151d;color:#fff}.brief-outro:after{position:absolute;z-index:-1;right:-120px;bottom:-300px;width:650px;height:650px;border:1px solid #ffffff23;border-radius:50%;box-shadow:0 0 0 80px #ffffff08,0 0 0 160px #ffffff05;content:""}.brief-outro .brief-eyebrow{color:#a9d5ff}.brief-outro h2{font-size:clamp(42px,5vw,66px)}.brief-outro p{max-width:700px;margin:22px 0 31px;color:#c4ccd8;font-size:15px;line-height:1.65}.brief-outro .button{width:auto}
@media(max-width:900px){.brief-hero{min-height:590px;padding:145px 25px 92px}.brief-orbit{right:-280px;opacity:.6}.brief-intro{grid-template-columns:1fr;gap:23px;padding:75px 0 65px}.brief-topic{padding-top:78px}.brief-topic-head{grid-template-columns:1fr;gap:14px}.brief-index{padding:0}.brief-cards{gap:12px}.brief-card{padding:25px}.brief-card-bottom{align-items:start;flex-direction:column;gap:10px}.brief-card-bottom>span{max-width:none}}
@media(max-width:700px){.brief-content{width:calc(100% - 30px)}.brief-hero{min-height:0;padding:130px 20px 75px}.brief-hero h1{font-size:clamp(47px,9.5vw,68px)}.brief-lead{font-size:16px}.brief-hero-meta{gap:7px}.brief-hero-meta span{font-size:10px}.brief-orbit{right:-390px}.brief-intro{padding:66px 3px 52px}.brief-intro h2{font-size:43px}.brief-intro>p{font-size:14px}.brief-toolbar{position:relative;top:auto;display:block;padding:10px;border-radius:16px}.brief-filters{gap:6px}.brief-filters button{font-size:11px;min-height:37px;padding:9px 11px}.brief-result{margin:11px 4px 3px}.brief-topic{padding-top:65px;scroll-margin-top:90px}.brief-topic h2{font-size:42px}.brief-topic-head p:last-child{font-size:14px}.brief-cards{grid-template-columns:1fr;gap:10px}.brief-card{min-height:0;padding:23px;border-radius:20px}.brief-card h3{margin:20px 0 11px;font-size:25px}.brief-card>p{font-size:13px;margin-bottom:24px}.brief-card-bottom{flex-direction:row;align-items:end}.brief-card-bottom>span{max-width:65%;font-size:10px}.brief-card-bottom a{font-size:11px}.brief-outro{margin:75px 0 70px;padding:38px 25px;border-radius:24px}.brief-outro h2{font-size:40px}.brief-outro p{font-size:14px}}
@media(max-width:390px){.brief-hero h1{font-size:45px}.brief-card-bottom{flex-direction:column;align-items:start}.brief-card-bottom>span{max-width:none}}
@media(prefers-reduced-motion:reduce){.brief-card{transition:none}}