:root{--red:#B93A32;--orange:#D98A3A;--dark:#252322;--bg:#FAF8F5;--soft:#F2EDE7;--text:#3B3836;--muted:#77716D;--accent:#E05A3F;--line:#dfd8d1;--white:#fff;--shadow:0 14px 40px rgba(37,35,34,.08);--radius:22px;--max:1180px}
*{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","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}button,input,textarea{font:inherit}.skip-link{position:absolute;left:1rem;top:-4rem;background:var(--dark);color:#fff;padding:.7rem 1rem;z-index:100}.skip-link:focus{top:1rem}.site-header{position:sticky;top:0;z-index:30;background:rgba(250,248,245,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(185,58,50,.12)}.header-inner{max-width:var(--max);margin:auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:12px;align-items:center}.brand img{width:48px;height:48px;object-fit:contain;border-radius:12px}.brand span{display:grid;line-height:1.25}.brand strong{font-size:1.18rem;color:var(--dark)}.brand small{font-size:.77rem;color:var(--muted);margin-top:4px}.main-nav{display:flex;gap:5px;align-items:center}.main-nav a{padding:9px 13px;border-radius:999px;color:var(--dark);font-weight:650}.main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--soft);color:var(--red)}.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:10px;padding:8px 12px;color:var(--dark)}main{min-height:70vh}.hero{max-width:var(--max);margin:0 auto;padding:64px 24px 44px;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}.home-hero{min-height:610px}.hero h1,.page-hero h1{font-size:clamp(2.3rem,5vw,4.9rem);line-height:1.08;letter-spacing:-.04em;color:var(--dark);margin:.35rem 0 1.3rem}.hero .lead{font-size:1.13rem;max-width:720px;color:#514d49}.hero-media{margin:0;position:relative}.hero-media:before{content:"";position:absolute;inset:9% -4% -5% 10%;background:linear-gradient(145deg,rgba(185,58,50,.13),rgba(217,138,58,.17));border-radius:35% 12% 28% 10%;z-index:-1}.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:34px 12px 34px 12px;box-shadow:var(--shadow)}.eyebrow{color:var(--red);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;margin:0 0 .45rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:10px 18px;border-radius:12px;font-weight:750;border:1px solid transparent}.btn.primary{background:var(--red);color:#fff}.btn.primary:hover{background:#9f2e28;color:#fff}.btn.secondary{border-color:var(--line);background:#fff;color:var(--dark)}.btn.secondary:hover{border-color:var(--red);color:var(--red)}.quick-facts{display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:30px 0 0;list-style:none;border-top:1px solid var(--line)}.quick-facts li{padding:16px 12px 0 0;display:grid;gap:3px}.quick-facts strong{color:var(--dark);font-size:.9rem}.quick-facts span{font-size:.78rem;color:var(--muted);line-height:1.45}.content-shell{max-width:var(--max);margin:0 auto;padding:48px 24px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-heading h2,.split-panel h2,.utility-band h2,.compact-callout h2,.reading-note h2,.submission-template h2,.privacy-card h2,.about-copy h2{margin:.2rem 0;font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.25;color:var(--dark)}.text-link{font-weight:750;color:var(--red);text-decoration:underline;text-underline-offset:4px}.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}.feature-card{background:#fff;border:1px solid #ebe4de;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(37,35,34,.04)}.feature-card:nth-child(1),.feature-card:nth-child(2){grid-column:span 6}.feature-card:nth-child(n+3){grid-column:span 3}.media-link img{width:100%;aspect-ratio:16/9;object-fit:cover}.feature-card:nth-child(n+3) .media-link img{aspect-ratio:5/4}.feature-body{padding:20px}.feature-body h3{font-size:1.18rem;line-height:1.35;margin:.5rem 0}.feature-body p{font-size:.91rem;color:#625d59;margin:0}.tag{display:inline-flex;background:#f7e9e5;color:#9e302a;border-radius:999px;padding:3px 9px;font-size:.72rem;font-weight:800}.tag.warm{background:#fbefdf;color:#9b5a14}.split-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:start}.index-list{display:grid;gap:10px;margin-top:24px}.index-list a{display:grid;gap:3px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.55)}.index-list a:hover{background:#fff;border-color:#d5b5af}.index-list strong{color:var(--dark)}.index-list span{font-size:.88rem;color:var(--muted)}.visual-note{background:var(--dark);color:#f9f6f2;padding:20px;border-radius:26px;position:sticky;top:96px}.visual-note img{border-radius:16px;aspect-ratio:16/10;object-fit:cover}.visual-note h3{font-size:1.35rem;line-height:1.35}.visual-note ol{padding-left:1.2rem;color:#dfd8d1}.visual-note .text-link{color:#ffb875}.utility-band{display:grid;grid-template-columns:1fr 1fr;gap:22px}.utility-band article{display:grid;grid-template-columns:170px 1fr;gap:22px;align-items:center;background:var(--soft);padding:20px;border-radius:var(--radius)}.utility-band img{width:170px;height:220px;object-fit:cover;border-radius:16px}.utility-band p{font-size:.92rem}.compact-callout{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:.9fr 1.3fr;gap:38px;align-items:center}.compact-callout p:last-child{font-size:1.02rem;color:#5c5753}.breadcrumb{max-width:var(--max);margin:0 auto;padding:24px 24px 0}.breadcrumb ol{display:flex;gap:8px;list-style:none;padding:0;margin:0;font-size:.85rem;color:var(--muted)}.breadcrumb li:not(:last-child):after{content:"/";margin-left:8px;color:#b2aaa4}.page-hero{max-width:var(--max);margin:0 auto;padding:38px 24px 38px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:42px}.page-hero.slim h1,.page-hero.app-hero h1,.page-hero.submit-hero h1,.page-hero.dark-accent h1,.page-hero.about-hero h1{font-size:clamp(2rem,4vw,3.8rem)}.page-hero p{font-size:1.04rem;color:#5f5a56}.page-hero img{width:100%;max-height:390px;aspect-ratio:4/3;object-fit:cover;border-radius:28px}.topic-stack{display:grid;gap:22px}.topic-section{display:grid;grid-template-columns:.8fr 1.6fr;gap:30px;padding:28px;border-radius:22px;background:#fff;border:1px solid #e9e1db}.topic-intro h2{font-size:1.55rem;color:var(--dark);margin:0 0 8px}.topic-intro p{color:var(--muted);font-size:.92rem}.topic-points{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.topic-points>div{padding:18px;background:var(--soft);border-radius:14px}.topic-points h3{margin:0 0 7px;font-size:1rem;color:var(--dark)}.topic-points p{margin:0;font-size:.86rem;color:#625d59}.reading-note{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}.reading-note img{border-radius:24px;aspect-ratio:16/10;object-fit:cover}.app-layout{display:grid;grid-template-columns:1.5fr .5fr;gap:34px}.app-copy h2{font-size:1.45rem;color:var(--dark);margin-top:0}.app-copy h2:not(:first-child){margin-top:2rem}.app-side{background:var(--soft);padding:18px;border-radius:20px}.app-side img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;margin-bottom:16px}.app-side h2{font-size:1.05rem}.app-side a{display:block;padding:10px 0;border-top:1px solid var(--line);font-weight:700}.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(--dark);padding:16px 0}.faq-list p{padding:0 0 16px;margin:0;color:#625d59}.guideline-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guideline-grid article{background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}.guideline-grid .step{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-weight:800}.guideline-grid h2{font-size:1.12rem;margin:14px 0 7px}.guideline-grid p{font-size:.9rem;color:#625d59;margin:0}.submission-template{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}.submission-template dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.submission-template dl div{background:var(--soft);padding:16px;border-radius:14px}.submission-template dt{font-weight:800;color:var(--dark)}.submission-template dd{margin:5px 0 0;font-size:.87rem;color:#665f5a}.privacy-card{display:grid;grid-template-columns:.65fr 1.35fr;gap:30px;align-items:center}.privacy-card img{border-radius:22px;aspect-ratio:16/10;object-fit:cover}.longread{max-width:900px}.longread article{padding:18px 0;border-bottom:1px solid var(--line)}.longread h2{font-size:1.55rem;color:var(--dark)}.evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.evidence-grid>div{background:#fff;border:1px solid var(--line);padding:24px;border-radius:18px}.evidence-grid h2{font-size:1.25rem}.evidence-grid ul{padding-left:1.2rem}.about-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.about-grid article{padding:20px;background:var(--soft);border-radius:18px}.about-grid h2{font-size:1.08rem;margin-top:0}.about-grid p{font-size:.88rem;color:#625d59}.about-copy{max-width:920px}.not-found{max-width:760px;margin:0 auto;text-align:center;padding:110px 24px}.not-found>span{font-size:clamp(5rem,15vw,10rem);font-weight:900;line-height:1;color:#ead7d2}.not-found h1{font-size:2.2rem;color:var(--dark)}.not-found .hero-actions{justify-content:center}.site-footer{margin-top:60px;background:var(--dark);color:#eae4df;padding:50px 24px 24px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px}.site-footer h2{color:#fff;font-size:1rem}.site-footer p,.site-footer li{font-size:.86rem;color:#bbb2ab}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer a{display:inline-block;padding:3px 0}.site-footer a:hover{color:#ffb875}.copyright{max-width:var(--max);margin:35px auto 0;padding-top:18px;border-top:1px solid #403d3b!important;color:#8f8883!important}.menu-open{overflow:hidden}@media(max-width:900px){.main-nav{position:fixed;inset:77px 14px auto 14px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:10px;display:none;flex-direction:column;align-items:stretch}.main-nav[data-open="true"]{display:flex}.menu-toggle{display:block}.hero,.page-hero{grid-template-columns:1fr;gap:28px}.home-hero{min-height:auto;padding-top:40px}.hero-media img{aspect-ratio:16/10}.feature-card:nth-child(n){grid-column:span 6}.split-panel,.compact-callout,.reading-note,.app-layout,.submission-template,.privacy-card{grid-template-columns:1fr}.visual-note{position:static}.utility-band{grid-template-columns:1fr}.topic-section{grid-template-columns:1fr}.topic-points{grid-template-columns:repeat(3,1fr)}.guideline-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}}@media(max-width:620px){.header-inner{padding:11px 16px}.brand small{display:none}.brand img{width:40px;height:40px}.hero,.page-hero,.content-shell{padding-left:16px;padding-right:16px}.hero{padding-top:30px}.hero h1{font-size:2.45rem}.page-hero h1{font-size:2.15rem}.quick-facts{grid-template-columns:1fr;gap:0}.quick-facts li{padding:10px 0;border-bottom:1px solid var(--line)}.section-heading{align-items:start;flex-direction:column}.feature-grid{display:block}.feature-card{margin-bottom:16px}.feature-card:nth-child(n) .media-link img{aspect-ratio:16/9}.utility-band article{grid-template-columns:100px 1fr}.utility-band img{width:100px;height:150px}.topic-points{grid-template-columns:1fr}.guideline-grid{grid-template-columns:1fr}.submission-template dl{grid-template-columns:1fr}.evidence-grid{grid-template-columns:1fr}.about-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid section:first-child{grid-column:auto}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:focus-visible{outline:3px solid #e7a662;outline-offset:3px}
.reference-list{display:grid;gap:12px;max-width:980px}.reference-list article{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}.ref-num{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--soft);color:var(--red);font-weight:900}.reference-list h2{margin:0 0 6px;font-size:1.25rem;color:var(--dark)}.reference-list p{margin:0;color:#625d59}
.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.glossary-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;position:relative}.glossary-grid article>span{position:absolute;right:16px;top:14px;font-size:.72rem;font-weight:900;color:#c8bcb5}.glossary-grid h2{margin:0 0 7px;color:var(--dark);font-size:1.08rem}.glossary-grid p{margin:0;color:#625d59;font-size:.9rem}@media(max-width:700px){.glossary-grid{grid-template-columns:1fr}}