:root{--brand:#D9364F;--brand-deep:#B72C43;--steel:#54718C;--ink:#20252D;--paper:#FAFAF8;--soft:#F0F2F4;--body:#252B33;--muted:#66717D;--line:#DEE1E4;--white:#fff;--radius:5px;--max:1180px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:5.5rem}body{margin:0;background:var(--paper);color:var(--body);font:16px/1.76 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}a:hover{color:var(--brand-deep)}a:focus-visible,button:focus-visible{outline:3px solid var(--steel);outline-offset:4px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.3;letter-spacing:-.035em}h1{font-weight:790}h2{font-weight:760}h3{font-weight:740}.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.sr-only{position:absolute;clip:rect(0,0,0,0);height:1px;width:1px;overflow:hidden;white-space:nowrap}.skip-link{position:absolute;top:-60px;left:12px;background:var(--ink);color:#fff;padding:9px 14px;z-index:50}.skip-link:focus{top:12px}.site-header{background:rgba(250,250,248,.97);border-bottom:1px solid var(--line);position:relative;z-index:10}.header-inner{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:17px;color:var(--ink)}.brand:hover{color:var(--ink)}.brand-mark{font-weight:900;font-size:42px;letter-spacing:-.12em;line-height:1;color:var(--brand)}.brand-mark span{font-weight:850}.brand-text{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:17px;letter-spacing:.03em}.site-nav{display:flex;align-items:center;gap:37px;font-size:14px;font-weight:660}.site-nav a{padding:32px 0;border-bottom:3px solid transparent}.site-nav a:hover,.site-nav a[aria-current]{border-color:var(--brand);color:var(--brand)}.menu-toggle{border:1px solid var(--line);background:#fff;border-radius:4px;padding:6px 13px;font-size:22px;cursor:pointer}
.hero{background:linear-gradient(115deg,#fff 0%,#FAFAF8 65%,#f4f3f1 100%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:62px;align-items:center;padding-top:77px;padding-bottom:80px}.hero-copy{min-width:0}.hero-kicker{font-size:13px;color:var(--brand-deep);font-weight:770;letter-spacing:.13em;display:flex;align-items:center;gap:10px;margin-bottom:22px}.pulse{width:8px;height:8px;background:var(--brand);border-radius:50%;box-shadow:0 0 0 5px #d9364f19}.hero h1{font-size:clamp(34px,4.45vw,60px);margin:0 0 27px;color:var(--ink);letter-spacing:-.065em;line-height:1.27}.hero h1 em{font-style:normal;color:var(--brand)}.hero-copy>p{max-width:550px;font-size:17px;line-height:1.95;color:#59636D;margin-bottom:34px}.hero-actions{display:flex;gap:11px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:49px;padding:11px 23px;background:var(--brand);border:1px solid var(--brand);border-radius:4px;color:white;font-size:14px;font-weight:700;line-height:1.5;transition:background .2s,transform .2s}.button:hover{color:#fff;background:var(--brand-deep);transform:translateY(-2px)}.button.ghost{background:transparent;color:var(--body);border-color:#C9CDD2}.button.ghost:hover{border-color:var(--brand);color:var(--brand)}.button.dark{background:var(--ink);border-color:var(--ink)}.button.dark:hover{background:#3a4553}.domain-pill{display:flex;flex-wrap:wrap;column-gap:14px;row-gap:2px;margin-top:34px;color:var(--muted);font-size:13px}.domain-pill strong{color:var(--steel);font-size:13px;overflow-wrap:anywhere}.hero-feature{border:1px solid #E3E4E6;background:white;box-shadow:0 16px 50px #20252d0d}.feature-head{display:flex;justify-content:space-between;padding:13px 20px;border-bottom:1px solid var(--line);font-size:12px;color:var(--steel);font-weight:730;letter-spacing:.04em}.feature-head span:last-child{font-size:17px}.feature-image{display:block;overflow:hidden;aspect-ratio:1.65;background:var(--soft)}.feature-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.feature-image:hover img{transform:scale(1.025)}.feature-content{padding:24px 25px 29px}.eyebrow{font-weight:780;font-size:12px;letter-spacing:.095em;color:var(--brand-deep);text-transform:uppercase}.feature-content h2{font-size:24px;margin:11px 0}.feature-content p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
.section{padding-top:76px;padding-bottom:78px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:30px}.section-heading h2{color:var(--ink);font-size:30px;margin:8px 0 0}.text-link{font-size:14px;color:var(--brand-deep);font-weight:740;display:inline-flex;align-items:center;gap:8px}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.story-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:23px}.story-card{min-width:0;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.story-card:hover{border-color:#C1C7CE;transform:translateY(-2px)}.story-image{display:block;aspect-ratio:1.65;overflow:hidden;background:var(--soft)}.story-image img{height:100%;width:100%;object-fit:cover;transition:transform .35s}.story-image:hover img{transform:scale(1.04)}.story-body{padding:21px 19px 18px;display:flex;flex:1;flex-direction:column}.story-body h3{font-size:18px;line-height:1.52;margin:10px 0 12px}.story-body>p{font-size:13px;color:var(--muted);line-height:1.85;margin-bottom:22px;flex:1}.story-meta{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:7px;padding-top:12px;font-size:12px;color:var(--muted)}.story-meta a{color:var(--brand-deep);font-weight:730}
.split-section{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.split-grid{padding-top:85px;padding-bottom:90px;display:grid;grid-template-columns:.88fr 1.12fr;gap:110px}.section-lead h2{font-size:35px;margin:14px 0 20px;line-height:1.36;color:var(--ink)}.section-lead>p{color:var(--muted);font-size:15px;line-height:2;margin-bottom:29px}.steps{border-top:1px solid #CFD4D8}.step{display:grid;grid-template-columns:52px 1fr;gap:17px;border-bottom:1px solid #CFD4D8;padding:23px 0 24px}.step>span{color:var(--brand);font-size:24px;font-weight:800;line-height:1.3}.step h3{font-size:18px;margin:0 0 7px}.step p{color:var(--muted);font-size:14px;margin:0;line-height:1.85}
.video-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center;background:#fff;border:1px solid var(--line);padding:18px}.video-visual{position:relative;display:block;aspect-ratio:1.85;overflow:hidden;background:var(--soft)}.video-visual img{width:100%;height:100%;object-fit:cover}.play-badge{display:grid;place-items:center;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;background:#20252dd9;color:#fff;width:68px;height:68px;font-size:23px;padding-left:3px}.video-panel>div{padding:16px 24px 16px 0}.video-panel h3{font-size:27px;margin:13px 0 19px}.video-panel p{font-size:15px;color:var(--muted);line-height:1.95}.video-panel small{display:block;font-size:12px;color:var(--muted);margin-top:19px}
.discussion-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.discussion-tile{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);padding:27px 28px 24px;transition:background .2s}.discussion-tile:hover{background:#FFF7F7}.tile-num{font-size:12px;color:var(--steel);font-weight:780}.discussion-tile h3{font-size:20px;margin:25px 0 12px}.discussion-tile p{font-size:14px;color:var(--muted);min-height:57px}.discussion-tile>span:last-child{display:block;color:var(--brand-deep);font-size:13px;font-weight:740;margin-top:24px}.brand-info{padding:53px 0;background:#fff;border-top:1px solid var(--line)}.brand-info-inner{display:flex;justify-content:space-between;align-items:center;gap:45px}.brand-info-inner>div{max-width:755px}.brand-info h2{font-size:24px;margin:10px 0}.brand-info p{color:var(--muted);font-size:14px;margin:0}.brand-info strong{color:var(--ink);overflow-wrap:anywhere}
.site-footer{background:var(--ink);color:#e7e9ed}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:65px;padding-top:61px;padding-bottom:50px}.footer-brand{color:#fff;font-size:39px;line-height:1;font-weight:900;letter-spacing:-.1em}.footer-grid p{font-size:13px;line-height:1.9;color:#bbc4ce;margin:12px 0}.footer-grid .muted{color:#9ea8b5;max-width:350px}.footer-grid h2{font-size:14px;margin:0 0 19px}.footer-grid>div>a:not(.footer-brand){display:block;color:#ccd4dd;font-size:13px;margin-top:10px;overflow-wrap:anywhere}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid #454C55;display:flex;align-items:center;justify-content:space-between;padding:19px 0 26px;font-size:12px;color:#AFB7C1}.footer-bottom a{color:#ccc}
.inner-hero{background:var(--ink);color:#fff;padding:70px 0 76px;position:relative;overflow:hidden}.inner-hero:after{content:"17c";position:absolute;right:5%;bottom:-80px;font-weight:900;font-size:260px;letter-spacing:-.14em;color:#ffffff07;pointer-events:none;line-height:1}.inner-hero>.container{position:relative;z-index:1}.inner-hero .eyebrow{color:#FF8496}.inner-hero h1{font-size:clamp(33px,4vw,51px);max-width:860px;margin:15px 0 18px}.inner-hero p{color:#C6CCD4;max-width:690px;margin:0;font-size:16px;line-height:1.95}.topic-filter{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;border-bottom:1px solid var(--line);padding-bottom:18px}.topic-filter h2{font-size:23px;margin:0}.topic-filter p{margin:0;color:var(--muted);font-size:13px}.topic-stories{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-stories .story-card{min-height:360px}.topic-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:50px;padding-top:38px;padding-bottom:80px}.topic-bottom>div{max-width:760px}.topic-bottom h2{font-size:27px;margin:10px 0}.topic-bottom p{font-size:15px;color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,755px) minmax(220px,1fr);gap:68px;padding-top:32px;padding-bottom:90px}.breadcrumb{display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px;margin-bottom:36px}.breadcrumb a{color:var(--steel)}.article-header h1{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.045em;margin:12px 0 20px;color:var(--ink)}.article-deck{font-size:18px;line-height:1.9;color:#55616D;margin-bottom:17px}.article-meta{font-size:12px;color:var(--muted);display:flex;gap:10px}.article-cover{margin:36px 0 47px}.article-cover img{width:100%;max-height:490px;object-fit:cover;background:var(--soft)}.article-cover figcaption{font-size:11px;color:var(--muted);margin-top:10px;text-align:right}.prose{font-size:16px;line-height:2.12;color:#37404A}.prose section{margin-bottom:46px}.prose h2{font-size:25px;line-height:1.45;color:var(--ink);margin:0 0 20px;padding-left:16px;border-left:4px solid var(--brand)}.prose p{margin:0 0 18px;overflow-wrap:anywhere}.article-end{margin-top:56px;border-top:2px solid var(--ink);padding:23px 0;background:linear-gradient(to bottom,#F0F2F4,transparent);padding-left:18px}.article-end p{font-size:14px;color:var(--muted);margin:7px 0 14px}.article-aside{padding-top:80px}.aside-sticky{position:sticky;top:25px;border-top:3px solid var(--brand)}.aside-sticky h2{font-size:19px;margin:24px 0 15px}.aside-link{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.aside-link span{display:block;font-size:11px;font-weight:730;color:var(--steel);margin-bottom:6px}.aside-link strong{font-size:14px;line-height:1.7;display:block}.aside-cta{display:block;background:var(--soft);margin-top:25px;padding:14px;font-size:13px;font-weight:770;color:var(--brand-deep)}
.verify-layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:80px;padding-top:77px;padding-bottom:57px}.verify-intro h2{font-size:29px;margin-bottom:20px}.verify-intro>p{color:var(--muted);font-size:15px;line-height:2}.verify-note{border-left:3px solid var(--brand);padding:17px 20px;background:var(--soft);margin-top:32px}.verify-note strong{font-size:14px}.verify-note p{font-size:13px;color:var(--muted);margin:6px 0 0}.verify-steps{border-top:1px solid var(--line)}.verify-steps section{display:grid;grid-template-columns:65px 1fr;gap:18px;border-bottom:1px solid var(--line);padding:26px 0 29px}.verify-number{font-size:34px;font-weight:850;color:var(--brand);line-height:1.1}.verify-steps h2{font-size:21px;margin:0 0 10px}.verify-steps p{color:var(--muted);font-size:14px;line-height:2;margin:0 0 11px}.verify-steps a{font-size:13px;color:var(--steel);font-weight:720}.verify-steps a:hover{color:var(--brand)}.verify-last{border-top:1px solid var(--line);padding-top:39px;padding-bottom:85px}.verify-last h2{font-size:26px}.verify-last p{color:var(--muted);max-width:780px}.not-found{min-height:55vh;padding:95px 0}.error-code{font-size:100px;color:var(--brand);font-weight:900;line-height:1}.not-found h1{font-size:36px}.not-found p{color:var(--muted)}.not-found .text-link{margin-left:20px}
@media(max-width:1100px){.hero-grid{gap:35px}.story-grid{gap:15px}.story-body{padding:17px 15px}.story-body h3{font-size:16px}.split-grid{gap:65px}.article-layout{gap:35px}.verify-layout{gap:45px}}
@media(max-width:880px){.brand-text{display:none}.hero-grid{grid-template-columns:1fr;padding-top:54px;padding-bottom:60px}.hero-copy>p{max-width:680px}.hero-feature{max-width:650px}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split-grid{grid-template-columns:1fr;gap:34px;padding:60px 0}.section-lead h2{font-size:31px}.video-panel{grid-template-columns:1fr;gap:12px}.video-panel>div{padding:10px 10px 20px}.discussion-grid{grid-template-columns:1fr}.discussion-tile p{min-height:0}.article-layout{grid-template-columns:1fr}.article-aside{padding-top:0}.aside-sticky{position:static}.footer-grid{gap:28px;grid-template-columns:1.4fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}.verify-layout{grid-template-columns:1fr;gap:25px}.verify-intro{max-width:700px}}
@media(max-width:620px){.container{width:min(calc(100% - 32px),var(--max))}.header-inner{min-height:68px}.brand-mark{font-size:35px}.menu-toggle{display:block}.site-nav{display:flex;gap:0;position:absolute;left:0;right:0;top:100%;background:var(--paper);flex-direction:column;align-items:stretch;padding:0 16px 14px;border-bottom:1px solid var(--line)}.site-nav a{padding:12px 0;border-bottom:1px solid var(--line)}.site-nav[data-collapsed="true"]{display:none}.hero-grid{padding-top:43px;padding-bottom:47px;gap:30px}.hero h1{font-size:clamp(32px,8vw,43px)}.hero-copy>p{font-size:15px}.hero-actions .button{min-height:45px;padding:10px 14px;gap:8px}.feature-content{padding:19px}.feature-content h2{font-size:20px}.section{padding-top:47px;padding-bottom:51px}.section-heading{align-items:center}.section-heading h2{font-size:24px}.section-heading .text-link{white-space:nowrap;font-size:12px}.story-grid,.topic-stories{grid-template-columns:1fr;gap:15px}.story-card{display:grid;grid-template-columns:38% 1fr;min-height:0!important}.story-card:not(:has(.story-image)){grid-template-columns:1fr}.story-image{aspect-ratio:auto;min-height:190px}.story-body{padding:14px 13px}.story-body h3{font-size:16px;margin:7px 0}.story-body>p{font-size:12px;line-height:1.65;margin-bottom:12px}.story-meta{font-size:11px}.split-grid{padding:53px 0}.section-lead h2{font-size:28px}.video-panel{padding:10px}.video-panel h3{font-size:23px}.video-panel>div{padding:12px 7px 16px}.brand-info-inner,.topic-bottom{display:block}.brand-info-inner .text-link{margin-top:20px}.inner-hero{padding:55px 0}.inner-hero:after{font-size:160px;bottom:-40px}.inner-hero h1{font-size:32px}.topic-filter h2{font-size:19px}.topic-filter p{font-size:12px}.topic-bottom .button{margin-top:17px}.footer-grid{grid-template-columns:1fr;gap:30px;padding:45px 0}.footer-grid>div:last-child{grid-column:auto}.article-layout{padding-top:23px;padding-bottom:60px}.breadcrumb{margin-bottom:26px}.article-header h1{font-size:32px}.article-deck{font-size:16px}.article-cover{margin:28px 0 35px}.prose{font-size:15px;line-height:2}.prose h2{font-size:22px}.verify-layout{padding-top:45px}.verify-steps section{grid-template-columns:45px 1fr;gap:15px}.verify-number{font-size:27px}.verify-steps h2{font-size:18px}.not-found{padding:65px 0}.not-found .text-link{display:block;margin:17px 0}}
@media(max-width:390px){.story-card{grid-template-columns:1fr}.story-image{aspect-ratio:1.8;min-height:0}.story-body{padding:16px}.hero-actions{flex-direction:column;align-items:stretch}.section-heading h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}