:root{
  --bg:#fffaf5; --surface:#ffffff; --surface-2:#fff2e5; --text:#18212f; --muted:#5d6678;
  --brand:#b42318; --brand-2:#e66100; --accent:#f59e0b; --line:#eadbd0; --green:#2f6f4e;
  --shadow:0 18px 50px rgba(76, 29, 15, .10); --radius:22px; --container:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7} img{max-width:100%;height:auto;display:block} a{color:inherit;text-decoration:none} a:hover{color:var(--brand)}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}.skip-link{position:absolute;left:-999px;top:10px;background:#111;color:#fff;padding:10px 14px;border-radius:8px;z-index:20}.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;background:rgba(255,250,245,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,219,208,.78);z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:78px}.brand{display:flex;align-items:center;gap:12px;min-width:280px}.brand img{width:52px;height:52px;border-radius:16px;box-shadow:var(--shadow)}.brand strong{display:block;font-size:17px;letter-spacing:.01em}.brand small{display:block;color:var(--muted);font-size:12px;line-height:1.3}.site-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.site-nav a{font-size:14px;color:#384254;padding:8px 10px;border-radius:999px}.site-nav a:hover,.site-nav a.active{background:#fff;color:var(--brand);box-shadow:0 8px 22px rgba(76,29,15,.08)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;color:var(--text)}
.hero{padding:72px 0 52px;background:radial-gradient(circle at top left, #ffe3c4 0, transparent 38%),linear-gradient(135deg,#fffaf5 0%,#fff3e8 58%,#ffffff 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:42px;align-items:center}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.12;margin:10px 0 20px;letter-spacing:-.04em}.lead{font-size:19px;color:#404b5f;max-width:820px}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin:0 0 8px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;padding:12px 18px;border-radius:999px;font-weight:800;box-shadow:0 10px 30px rgba(76,29,15,.08)}.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border:0;color:#fff}.btn.primary:hover{color:#fff;transform:translateY(-1px)}.hero-media{margin:0}.hero-media img,.product-hero img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.9)}figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 10px 30px rgba(76,29,15,.06)}.stat-card strong{display:block;color:var(--brand);font-size:24px;line-height:1.1}.stat-card span{color:var(--muted);font-size:13px}
.section{padding:70px 0}.tinted{background:linear-gradient(180deg,#fff3e8,#fffaf5)}.split-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.55fr);gap:28px;align-items:end;margin-bottom:28px}.split-heading h2,.feature-grid h2,.prose h2,.process h2{font-size:clamp(26px,3vw,40px);line-height:1.18;margin:0 0 10px;letter-spacing:-.02em}.split-heading p{color:var(--muted);margin:0}.text-link{font-weight:800;color:var(--brand)}.card-grid{display:grid;gap:22px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-body{padding:22px}.card h3{font-size:22px;line-height:1.3;margin:6px 0 10px}.card p{color:var(--muted);margin:0 0 12px}.product-card img,.case-card img,.cert-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.tags{font-size:13px;color:#7b341e!important;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:10px}.service-card{padding:24px}.service-card p:last-child{margin-bottom:0}
.feature-grid{display:grid;grid-template-columns:minmax(280px,.75fr) minmax(0,1.2fr);gap:32px;align-items:start}.feature-grid p{color:var(--muted)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.feature-list article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.feature-list strong{display:block;color:var(--brand);font-size:18px;margin-bottom:8px}.feature-list span{color:var(--muted)}
.page-hero{padding:72px 0 44px;background:radial-gradient(circle at top right,#ffe0b2 0,transparent 36%),linear-gradient(135deg,#fffaf5,#fff3e8)}.product-hero .hero-grid{grid-template-columns:minmax(0,1fr) minmax(300px,.78fr)}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.prose p,.prose li{color:#3f4858}.prose blockquote{margin:22px 0 0;padding:18px 20px;border-left:5px solid var(--brand);background:#fff7ed;border-radius:14px;color:#7b341e;font-weight:700}.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.info-panel h2{margin:0 0 16px}.meta-list{display:grid;grid-template-columns:110px 1fr;gap:10px 14px}.meta-list dt{font-weight:800;color:#334155}.meta-list dd{margin:0;color:var(--muted)}.meta-list.stacked{grid-template-columns:1fr}.meta-list.stacked dt{margin-top:10px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.timeline div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.timeline span{display:inline-block;color:#fff;background:var(--brand);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800}.timeline strong{display:block;margin:12px 0 6px;font-size:20px}.timeline p{margin:0;color:var(--muted)}
.process{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.process ol{counter-reset:step;list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px}.process li{counter-increment:step;display:grid;grid-template-columns:52px 160px 1fr;gap:14px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fffaf5}.process li:before{content:counter(step);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900}.process span{color:var(--muted)}.area-tags{display:flex;flex-wrap:wrap;gap:14px}.area-tags a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:12px 18px;font-weight:800;box-shadow:0 8px 24px rgba(76,29,15,.06)}.narrow{max-width:880px}.faq-list{display:grid;gap:14px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:0 8px 24px rgba(76,29,15,.05)}.faq-list summary{cursor:pointer;font-weight:900;padding:18px 4px}.faq-list p{color:var(--muted);margin:0 0 18px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.contact-card img{border-radius:18px;margin-bottom:18px}.article-card{padding:24px}
.article-hero{padding:66px 0 42px;background:radial-gradient(circle at top right,#ffe0b2 0,transparent 36%),linear-gradient(135deg,#fffaf5,#fff3e8)}.article-hero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.14;letter-spacing:-.035em;margin:10px 0 20px}.article-container{max-width:920px}.article-byline{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-top:24px}.article-section{padding-top:42px}.longform{font-size:17px;line-height:1.88;padding:clamp(24px,5vw,54px)}.longform h2{font-size:clamp(25px,3vw,34px);margin:48px 0 16px;scroll-margin-top:100px}.longform p{margin:0 0 19px}.answer-box{background:#f0fdf4;border:1px solid #bbf7d0;border-left:6px solid var(--green);border-radius:16px;padding:18px 22px;margin:0 0 28px}.answer-box strong{color:var(--green);font-size:18px}.answer-box p{margin:6px 0 0!important;color:#294c38!important}.article-lead{font-size:20px!important;line-height:1.8;color:#303b4d!important}.article-toc{background:#fff7ed;border:1px solid #fed7aa;border-radius:18px;padding:22px 26px;margin:30px 0}.article-toc strong{color:var(--brand)}.article-toc ol{columns:2;gap:34px;margin:12px 0 0;padding-left:22px}.article-toc li{break-inside:avoid;margin:7px 0}.check-list{background:#f8fafc;border:1px solid #dbe3ec;border-radius:18px;padding:20px 24px 20px 46px}.check-list li{margin:8px 0}.article-sources,.article-related{border-top:1px solid var(--line);margin-top:46px;padding-top:4px}.article-sources a,.article-related a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}.article-promo{margin-top:34px;border-left:5px solid var(--brand);background:#fff7ed;border-radius:14px;padding:18px 20px;color:#663318}.article-promo a{font-weight:800;color:var(--brand)}.article-card h2{font-size:23px;line-height:1.35;margin:6px 0 12px}.article-card-meta{font-size:13px;color:#7b341e!important}.site-footer{background:#1f2937;color:#fff;padding:48px 0}.footer-grid{display:grid;grid-template-columns:1.2fr .7fr 1fr;gap:28px}.site-footer h2{font-size:18px;margin:0 0 14px}.site-footer p,.site-footer a,.site-footer li{color:#d1d5db}.site-footer ul{list-style:none;margin:0;padding:0}.footer-brand{font-size:22px;font-weight:900;margin-bottom:10px}.footer-brand span{color:#fbbf24}.muted{color:#9ca3af!important;font-size:13px}
@media (max-width: 920px){.header-inner{align-items:flex-start;flex-wrap:wrap}.menu-toggle{display:inline-flex;margin-top:18px}.site-nav{display:none;width:100%;justify-content:flex-start;padding-bottom:16px}.site-header.open .site-nav{display:flex}.hero-grid,.content-grid,.feature-grid,.contact-grid,.split-heading,.footer-grid{grid-template-columns:1fr}.card-grid.three,.card-grid.two,.timeline{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.process li{grid-template-columns:42px 1fr}.process li span{grid-column:2}.brand{min-width:0}.hero{padding-top:48px}}
@media (max-width: 560px){.container{padding:0 16px}.hero h1,.page-hero h1,.article-hero h1{font-size:34px}.lead{font-size:17px}.stat-grid,.feature-list{grid-template-columns:1fr}.section{padding:50px 0}.prose,.info-panel,.process{padding:22px}.site-nav a{width:100%;background:#fff}.hero-actions .btn{width:100%}.article-toc ol{columns:1}.longform{font-size:16px}.article-lead{font-size:18px!important}}