@charset "UTF-8";
:root{--ink:#252b35;--muted:#58606d;--amber:#bd7f31;--amber-light:#f5e6d0;--line:#dcdedb;--paper:#f7f7f3;--white:#fff;--indigo:#59667e;--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 "Noto Sans SC","Microsoft YaHei",Arial,sans-serif}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:#9b661f}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d99236;outline-offset:4px}p{margin:0 0 1em}h1,h2,h3{line-height:1.22;letter-spacing:-.035em;margin:0 0 .55em}h1{font-size:clamp(2rem,4.3vw,3.5rem)}h2{font-size:clamp(1.7rem,3vw,2.6rem)}h3{font-size:clamp(1.18rem,1.9vw,1.5rem)}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.eyebrow{font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin:0 0 12px}.lead{font-size:1.12rem;color:#47515d}.muted{color:var(--muted)}.small{font-size:.88rem}.section{padding:clamp(60px,7.5vw,104px) 0}.section-tight{padding:56px 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#b8884b;padding-bottom:2px}.text-link:hover{color:#5e3e11}.site-header{position:sticky;top:0;z-index:20;background:rgba(250,250,247,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{min-height:74px;display:flex;align-items:center;gap:36px}.brand{display:inline-flex;align-items:center;gap:9px;min-width:210px;font-weight:850;letter-spacing:.03em;line-height:1.2}.brand img{width:44px;height:44px}.brand small{display:block;font-size:.66rem;font-weight:600;color:var(--muted);letter-spacing:.12em;margin-top:3px}.main-nav{display:flex;align-items:center;gap:clamp(12px,1.8vw,26px);margin-left:auto}.main-nav a{font-size:.89rem;font-weight:650;white-space:nowrap}.main-nav a[aria-current="page"]{color:#9b661f}.header-cta{font-size:.86rem;white-space:nowrap}.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:white;border-radius:7px;padding:8px 12px;color:var(--ink)}.hero{padding:38px 0 22px;background:linear-gradient(135deg,#f7f6f1 0%,#eceeea 100%)}.hero-grid{display:grid;grid-template-columns:18% minmax(0,1.37fr) minmax(0,1fr);gap:clamp(18px,2.7vw,36px);align-items:center}.hero-index{align-self:stretch;border-right:1px solid #cbd0d0;padding:24px 19px 20px 0;display:flex;flex-direction:column;justify-content:center}.hero-index strong{font-size:.72rem;letter-spacing:.15em;color:var(--indigo);margin-bottom:15px}.hero-index a{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid #d7d9d8;font-size:.84rem;font-weight:700}.hero-index a span{color:var(--amber)}.hero-copy{padding:15px 0}.hero-copy h1{max-width:620px;font-size:clamp(2.15rem,3.3vw,2.9rem)}.hero-copy p{max-width:580px}.hero-copy .micro{font-size:.83rem;color:#656c75}.hero-media{max-width:440px;margin:0;justify-self:end}.hero-media img{width:100%;height:auto;aspect-ratio:4/5;object-fit:contain;border-radius:14px;box-shadow:0 18px 46px #28313f17}.hero-caption{font-size:.77rem;color:#6b6f74;margin-top:8px}.hero-bottom{display:flex;flex-wrap:wrap;gap:20px;border-top:1px solid #d0d3d2;padding:14px 0 0;margin-top:22px;color:#59636e;font-size:.82rem}.hero-bottom a:before{content:"•";color:var(--amber);margin-right:8px}.prep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid var(--line)}.prep-item{display:grid;grid-template-columns:60px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}.prep-item .num{font-size:1.5rem;color:var(--amber);font-family:Georgia,serif}.prep-item p{color:var(--muted);margin-bottom:8px}.feature-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:clamp(30px,5vw,75px);align-items:center}.feature-split.reverse{grid-template-columns:minmax(0,.95fr) minmax(0,1fr)}.feature-split.reverse .feature-media{order:2}.feature-media img{border-radius:12px;width:100%}.feature-copy ul,.article-body ul,.article-body ol{padding-left:1.35em}.feature-copy li,.article-body li{margin:.35em 0}.feature-copy .note{border-left:3px solid #c59a5b;padding:8px 0 8px 15px;color:var(--muted);margin:20px 0}.band{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}.stateless-list{list-style:none;padding:0;margin:0}.stateless-list li{padding:14px 0;border-bottom:1px solid var(--line)}.stateless-list b{color:var(--amber);margin-right:13px}.section-dark .stateless-list li{border-color:#535b67}.section-dark .text-link{color:#f4c88d}.news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:12% 29% minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--line);align-items:center}.news-meta{align-self:start;color:var(--muted);font-size:.78rem;font-weight:700}.news-meta strong{display:block;font-size:2.4rem;line-height:1;color:var(--amber);font-family:Georgia,serif;font-weight:500;margin-bottom:8px}.news-media{width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:12px}.news-media img{display:block;width:100%;height:100%;object-fit:cover}.news-row h3{font-size:1.26rem;margin-bottom:8px}.news-row p{font-size:.9rem;color:var(--muted);margin-bottom:9px}.device-tag{display:inline-block;background:#e9e9e3;color:#4e5966;padding:4px 10px;border-radius:100px;font-size:.74rem;font-weight:750;margin-bottom:14px}.faq-list{border-top:1px solid var(--line)}.faq-item{display:grid;grid-template-columns:43% 1fr;gap:26px;padding:20px 0;border-bottom:1px solid var(--line)}.faq-item h3{font-size:1rem;margin:0}.faq-item h3 span{display:inline-block;color:var(--amber);width:35px}.faq-item p{color:var(--muted);margin:0;font-size:.95rem}.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.link-tile{padding:20px;border:1px solid var(--line);border-radius:9px;background:white;font-weight:700}.link-tile span{display:block;color:var(--amber);font-size:.75rem;margin-bottom:8px}.cta-strip{background:#e7e9e5;padding:43px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}.cta-inner h2{font-size:1.6rem;margin-bottom:7px}.site-footer{background:#20262f;color:#d7d9d9;padding:49px 0 22px;font-size:.86rem}.footer-top{display:flex;justify-content:space-between;gap:40px;border-bottom:1px solid #4a5059;padding-bottom:31px}.footer-brand{max-width:480px}.footer-brand strong{font-size:1.12rem;color:white}.footer-links{display:flex;flex-wrap:wrap;gap:11px 23px;max-width:520px}.footer-bottom{display:flex;flex-wrap:wrap;gap:6px 24px;padding-top:21px}.site-footer a:hover{color:#f1be7b}.page-hero{padding:55px 0 45px;background:#eceeea;border-bottom:1px solid var(--line)}.page-hero .container{max-width:980px}.breadcrumbs{font-size:.8rem;color:#68717c;margin-bottom:20px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.page-hero h1{max-width:930px}.page-content{max-width:980px;margin-inline:auto}.article-body{font-size:1.02rem}.article-body h2{font-size:1.65rem;margin:1.8em 0 .65em;border-bottom:1px solid var(--line);padding-bottom:12px}.article-body h3{font-size:1.21rem;margin:1.3em 0 .6em}.article-body p{color:#4e5864}.article-hero-image{margin:28px 0 34px}.article-hero-image img{border-radius:12px;width:100%}.article-hero-image figcaption{color:#67717b;font-size:.78rem;margin-top:8px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:60px}.article-aside{border-left:1px solid var(--line);padding-left:24px;align-self:start;position:sticky;top:100px;font-size:.87rem}.article-aside a{display:block;border-bottom:1px solid var(--line);padding:9px 0}.article-nav{display:flex;justify-content:space-between;gap:18px;padding-top:25px;border-top:1px solid var(--line);margin-top:35px}.article-nav a{max-width:47%;font-weight:700}.platform-section{padding:56px 0;border-bottom:1px solid var(--line);scroll-margin-top:80px}.platform-section:last-child{border:0}.platform-section .feature-media{max-width:520px}.platform-section .feature-copy{max-width:610px}.platform-mini{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:25px}.platform-mini a{border:1px solid var(--line);border-radius:8px;padding:13px 16px;font-weight:700;background:white}.resource-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:17px}.resource-links a{font-size:.82rem;padding:7px 11px;border:1px solid var(--line);border-radius:6px}.callout{background:#eef0ed;border-left:3px solid var(--amber);padding:18px 22px;margin:25px 0}.content-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.content-card{padding:23px;background:white;border:1px solid var(--line);border-radius:9px}.content-card p{color:var(--muted);margin:0}.steps{counter-reset:steps;list-style:none!important;padding:0!important}.steps li{counter-increment:steps;border-bottom:1px solid var(--line);padding:14px 0 14px 44px;position:relative}.steps li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;color:var(--amber);font-weight:800}.policy-section{margin-bottom:30px}.policy-section h2{font-size:1.35rem}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
@media(max-width:1050px){.header-cta{display:none}.header-inner{gap:15px}.brand{min-width:auto}.hero-grid{grid-template-columns:16% minmax(0,1.2fr) minmax(0,.9fr)}.hero-copy h1{font-size:2.4rem}.article-layout{gap:35px}}
@media(max-width:760px){.container{width:min(calc(100% - 32px),var(--max))}.section{padding:58px 0}.header-inner{min-height:64px}.brand img{width:39px;height:39px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fafaf7;padding:15px 16px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 20px #2222;flex-direction:column;align-items:stretch;gap:0}.main-nav.is-open{display:flex}.main-nav a{padding:10px 8px;border-bottom:1px solid var(--line)}.hero{padding-top:25px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:18px}.hero-copy{order:0}.hero-media{order:1;justify-self:auto;max-width:min(100%,470px);align-self:center}.hero-index{order:2;border-right:0;border-top:1px solid #cbd0d0;padding:17px 0 0;display:grid;grid-template-columns:repeat(2,1fr);gap:4px 18px}.hero-index strong{grid-column:1/-1;margin:0}.hero-copy h1{font-size:clamp(2rem,8vw,3rem)}.hero-bottom{margin-top:18px}.prep-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column;gap:12px}.feature-split,.feature-split.reverse{grid-template-columns:1fr;gap:26px}.feature-split.reverse .feature-media{order:0}.news-row{grid-template-columns:70px minmax(0,1fr);gap:13px}.news-row .news-media{grid-column:2}.news-row .news-copy{grid-column:2}.news-meta{grid-row:1/3}.news-meta strong{font-size:1.7rem}.faq-item{grid-template-columns:1fr;gap:9px}.band,.article-layout{grid-template-columns:1fr}.article-aside{position:static;border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.link-grid,.platform-mini{grid-template-columns:repeat(2,1fr)}.content-cards{grid-template-columns:1fr}.cta-inner,.footer-top{align-items:start;flex-direction:column}.page-hero{padding:35px 0}.platform-section{padding:43px 0}}
@media(max-width:460px){.hero-index{grid-template-columns:repeat(2,1fr)}.hero-index a{font-size:.76rem}.news-row{grid-template-columns:1fr;gap:8px}.news-row .news-media,.news-row .news-copy{grid-column:1}.news-meta{grid-row:auto;display:flex;align-items:center;gap:10px}.news-meta strong{margin:0}.link-grid{grid-template-columns:1fr}.article-nav{flex-direction:column}.article-nav a{max-width:100%}.footer-bottom{display:block}.footer-bottom>*{display:block;margin-bottom:6px}}
.hero-index a{justify-content:flex-start;gap:7px}.hero-index a span{margin-left:auto}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}