body{font-family:Arial,sans-serif;max-width:1100px;margin:auto;padding:20px;color:#24332f;background:#f7f5ee;line-height:1.65}a{color:#315b4d}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.article{background:#fff;padding:18px;border:1px solid #dce5df;border-radius:10px}.notice{padding:15px;background:#fff0e5;border-left:5px solid #d98b58}@media(max-width:700px){.grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.grid{grid-template-columns:1fr}}

.nav{align-items:center}.nav a{padding:.35rem}.filter-bar{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0}.filter-bar button{border:1px solid #dce5df;background:#fff;border-radius:20px;padding:.55rem .8rem;cursor:pointer}.filter-bar button.active{background:#315b4d;color:#fff}.load-more{display:block;margin:1.5rem auto}.is-hidden{display:none!important}.featured{border:2px solid #d98b58}
.logo{display:flex;align-items:center}@media(max-width:600px){}


.brand-logo{display:block;width:180px;height:auto;max-height:56px;object-fit:contain}.logo{display:flex;align-items:center;line-height:1}


.container{width:min(100% - 32px,1000px);margin:0 auto}.article{max-width:820px;margin:24px auto;padding:clamp(22px,4vw,48px)}.article h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.15}.article p,.article li{max-width:72ch}.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px;padding:10px 0}.nav a{white-space:nowrap}.footer{margin-top:32px;padding:24px 0}.footer-inner{max-width:1000px;margin:auto}


/* Modern editorial upgrade inspired by contemporary AI products; brand, domain and content preserved. */
:root{--ink:#17352b;--muted:#64756d;--paper:#f7f8f4;--surface:#ffffff;--line:#e2e9e3;--accent:#2f6b56;--accent-soft:#e7f1ea;--warm:#d98758;--shadow:0 18px 48px rgba(31,57,46,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{max-width:none;width:100%;margin:0;padding:0;background:radial-gradient(circle at 85% 0%,#eef6ef 0,transparent 30rem),var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#193f31}.nav{width:min(100% - 40px,1180px);margin:18px auto 0;padding:12px 16px;background:rgba(255,255,255,.86);border:1px solid rgba(221,232,224,.95);border-radius:18px;box-shadow:0 8px 28px rgba(37,65,52,.06);gap:10px}.nav a{font-size:.9rem;text-decoration:none;padding:8px 10px;border-radius:10px}.nav a:not(.logo):hover{background:var(--accent-soft)}.nav .logo{margin-right:auto;padding:0}.brand-logo{width:176px;height:auto;max-height:52px;object-fit:contain}.notice{width:min(100% - 40px,1180px);margin:18px auto;padding:14px 18px;border:1px solid #f0c9ae;border-left:4px solid var(--warm);border-radius:14px;background:#fff8f2;color:#5d4438}.hero{width:min(100% - 40px,1180px);margin:24px auto 20px;border-radius:30px;background:linear-gradient(135deg,#e9f3eb 0%,#f8f3e8 58%,#fff 100%);border:1px solid #dce9df;box-shadow:var(--shadow);overflow:hidden}.hero-inner{max-width:820px;padding:clamp(34px,7vw,88px) clamp(24px,6vw,76px)}.eyebrow,.tag{color:var(--accent);font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.hero h1{max-width:760px;margin:.55rem 0 1rem;font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.03;letter-spacing:-.055em}.hero p{max-width:620px;font-size:1.12rem;color:var(--muted)}.container{width:min(100% - 40px,1180px);margin:0 auto}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.filter-bar button,.button{border:1px solid #d4e2d7;border-radius:999px;background:#fff;color:var(--ink);padding:9px 15px;font-weight:700;cursor:pointer;transition:.2s ease}.filter-bar button:hover,.filter-bar button.active,.button:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-1px)}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{padding:0;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 25px rgba(31,57,46,.05);transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(31,57,46,.12)}.card img{display:block;width:100%;height:220px;object-fit:cover;background:#edf3ee}.card-body{padding:20px}.card h2{font-size:1.16rem;line-height:1.25;margin:.45rem 0}.card h2 a{text-decoration:none}.card p{color:var(--muted);font-size:.92rem}.article{width:min(100%,860px);margin:28px auto;padding:clamp(24px,5vw,58px);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.article>img{display:block;width:100%;height:auto;max-height:620px;object-fit:cover;border-radius:16px;margin:20px 0}.article h1{font-size:clamp(2.1rem,5vw,4rem);letter-spacing:-.045em}.article h2{margin-top:2.2rem;line-height:1.2}.footer{width:min(100% - 40px,1180px);margin:36px auto;padding:28px 0;color:var(--muted);border-top:1px solid var(--line)}.footer-inner{max-width:none}.toc{padding:18px 20px;border:1px solid #dce9df;border-radius:16px;background:var(--accent-soft)}@media(max-width:850px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{width:min(100% - 24px,1180px)}.hero,.notice,.container,.footer{width:min(100% - 24px,1180px)}}@media(max-width:560px){.grid{grid-template-columns:1fr}.nav{gap:4px;padding:10px}.nav a{font-size:.8rem;padding:7px}.nav .logo{width:100%;margin-bottom:5px}.brand-logo{width:160px}.hero h1{font-size:2.35rem}.card img{height:210px}}