:root{--red:#B93A32;--orange:#D98A3A;--ink:#252322;--bg:#FAF8F5;--soft:#F2EDE7;--text:#3B3836;--muted:#77716D;--accent:#E05A3F;--line:#ded7cf;--radius:18px;--shadow:0 12px 34px rgba(65,45,36,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}img{max-width:100%;display:block}a{color:inherit}.wrap{width:min(1180px,calc(100% - 36px));margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:18px;top:18px;background:#fff;padding:10px 14px;z-index:99}.site-header{position:sticky;top:0;z-index:20;background:rgba(250,248,245,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;color:var(--ink);font-size:20px}.brand img{width:42px;height:42px;object-fit:contain}.primary-nav{display:flex;gap:6px}.primary-nav a{padding:9px 12px;text-decoration:none;border-radius:9px;color:var(--ink)}.primary-nav a:hover,.primary-nav a:focus-visible{background:var(--soft)}.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 11px}.hero{padding:64px 0 42px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.hero-copy h1{font-size:clamp(38px,6vw,74px);line-height:1.05;letter-spacing:-.04em;color:var(--ink);margin:14px 0 20px}.hero-copy p{font-size:19px;max-width:720px}.hero-image{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.eyebrow{font-weight:800;color:var(--red);font-size:13px;letter-spacing:.12em}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:999px;text-decoration:none;font-weight:700}.primary{background:var(--red);color:#fff}.secondary{background:#fff;border:1px solid var(--line)}.pulse{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding:20px 0;margin-bottom:30px}.pulse div{padding:0 24px}.pulse div+div{border-left:1px solid var(--line)}.pulse b{display:block;color:var(--ink);font-size:23px}.pulse span{color:var(--muted)}.section-block{padding:46px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-head h2,.page-main h2{margin:4px 0;font-size:clamp(26px,4vw,40px);line-height:1.15;color:var(--ink)}.section-head>a,.text-link{color:var(--red);font-weight:700;text-decoration:none}.lead-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.story-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.story-body{padding:18px}.story-card h3{margin:7px 0;font-size:20px;line-height:1.3}.story-card h3 a{text-decoration:none}.story-card p{color:var(--muted);margin:0}.featured-card{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr}.featured-card img{height:100%;aspect-ratio:auto}.featured-card h3{font-size:30px}.tag{display:inline-flex;color:var(--red);font-size:13px;font-weight:800;text-decoration:none}.warm-band{background:var(--soft);padding:44px 0}.topic-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-chip{background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px;text-decoration:none}.topic-chip strong{display:block;color:var(--ink);font-size:18px}.topic-chip span{display:block;color:var(--muted);font-size:14px;margin-top:6px}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:54px 0}.feature-split>div{border-top:4px solid var(--orange);background:#fff;padding:26px;border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow)}.page-main{padding:52px 0 70px}.page-intro{max-width:900px;margin-bottom:34px}.page-intro h1{font-size:clamp(38px,6vw,68px);line-height:1.06;letter-spacing:-.03em;color:var(--ink);margin:10px 0 16px}.page-intro>p{font-size:19px;color:var(--muted)}.app-intro{display:grid;grid-template-columns:1fr .7fr;gap:30px;max-width:none;align-items:center}.app-intro img{border-radius:22px}.filter-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.filter-nav a{padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;text-decoration:none}.filter-nav a[aria-current="page"]{background:var(--red);color:#fff;border-color:var(--red)}.article-list{display:grid;gap:14px}.list-card{display:grid;grid-template-columns:1fr 220px;gap:26px;background:#fff;border:1px solid var(--line);padding:20px;border-radius:16px;align-items:center}.list-card h2{font-size:25px;margin:6px 0}.list-card h2 a{text-decoration:none}.list-card p{color:var(--muted);margin:0 0 8px}.list-card time{font-size:13px;color:var(--muted)}.list-card img{width:220px;aspect-ratio:16/10;object-fit:cover;border-radius:12px}.article-page{padding:54px 0 74px;max-width:900px}.article-header h1{font-size:clamp(36px,6vw,62px);line-height:1.08;color:var(--ink);margin:12px 0}.dek{font-size:20px;color:var(--muted)}.article-header time{color:var(--muted);font-size:14px}.article-hero{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:22px;margin:30px 0}.article-content{font-size:18px}.article-content h2{font-size:30px;margin-top:38px;color:var(--ink)}.article-note,.info-panel{background:var(--soft);padding:22px;border-radius:16px;margin-top:30px}.back-nav{margin-top:34px}.back-nav a{color:var(--red);font-weight:700}.prose-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;margin:40px 0}.prose-grid p{font-size:17px}.info-panel h2{font-size:24px}.info-panel li{margin:8px 0}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini-card{background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px}.steps ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;counter-reset:steps}.steps li{counter-increment:steps;background:#fff;border:1px solid var(--line);padding:20px;border-radius:14px}.steps li:before{content:counter(steps);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--orange);color:#fff;font-weight:800;margin-right:10px}.steps li strong{font-size:18px;color:var(--ink)}.steps li span{display:block;color:var(--muted);margin-top:8px}.cta-band{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--ink);color:#fff;padding:28px;border-radius:18px;margin-top:40px}.cta-band h2{color:#fff;margin:0}.cta-band p{margin:4px 0 0;color:#d8d0ca}.not-found{padding:100px 0}.code{font-size:70px;font-weight:900;color:var(--red)}.not-found h1{font-size:50px;margin:0;color:var(--ink)}.site-footer{background:#201f1e;color:#eee;margin-top:30px;padding:42px 0 24px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.footer-grid p{color:#bcb5af;max-width:600px}.footer-grid nav{display:flex;justify-content:flex-end;gap:16px;flex-wrap:wrap}.footer-grid a{color:#fff}.copyright{border-top:1px solid #3f3c39;margin-top:30px;padding-top:20px;color:#a9a29d;font-size:13px}
@media(max-width:900px){.hero-grid,.app-intro,.prose-grid{grid-template-columns:1fr}.lead-grid{grid-template-columns:1fr 1fr}.featured-card{grid-column:span 2}.topic-row{grid-template-columns:1fr 1fr}.list-card{grid-template-columns:1fr 160px}.list-card img{width:160px}.mini-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid nav{justify-content:flex-start}}
@media(max-width:680px){.wrap{width:min(100% - 24px,1180px)}.menu-button{display:block}.primary-nav{position:absolute;top:68px;left:12px;right:12px;display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow);flex-direction:column}.primary-nav[data-open="true"]{display:flex}.hero{padding-top:36px}.hero-grid{gap:26px}.hero-copy h1{font-size:44px}.pulse{grid-template-columns:1fr}.pulse div{padding:12px 0}.pulse div+div{border-left:0;border-top:1px solid var(--line)}.lead-grid{grid-template-columns:1fr}.featured-card{grid-column:auto;display:block}.featured-card h3{font-size:24px}.topic-row{grid-template-columns:1fr}.feature-split{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.list-card{grid-template-columns:1fr}.list-card img{width:100%}.steps ol{grid-template-columns:1fr}.cta-band{align-items:flex-start;flex-direction:column}.article-hero{aspect-ratio:16/10}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

.guide-index{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:24px 0 38px}.guide-index a{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-decoration:none;font-size:14px}.guide-stack{display:grid;gap:12px}.guide-section{display:grid;grid-template-columns:72px 1fr;gap:20px;background:#fff;border:1px solid var(--line);padding:26px;border-radius:16px}.guide-number{font-size:34px;font-weight:900;color:var(--orange)}.guide-section h2{margin-top:0}.guide-section p{font-size:17px}.guide-section:target{outline:3px solid rgba(217,138,58,.25)}@media(max-width:680px){.guide-index{grid-template-columns:1fr}.guide-section{grid-template-columns:1fr}.guide-number{font-size:24px}}

.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 18px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);padding:18px 34px 18px 0;position:relative}.faq-list summary::marker{color:var(--red)}.faq-list p{margin:0 0 18px;color:var(--muted);max-width:900px}.faq-list details[open]{box-shadow:var(--shadow)}