:root{color-scheme:light;--bg:#ffffff;--bg-elevated:#f3fbf8;--surface:#ffffff;--border:rgba(13, 120, 109, 0.14);--text:#0a5c52;--muted:#2d7d72;--accent:#0f9488;--accent-2:#14b8a6;--accent-bright:#5eead4;--accent-soft:color-mix(in srgb, var(--accent-bright) 28%, transparent);--accent-ink:#f8fffd;--danger:#e11d48;--radius:16px;--radius-sm:10px;--shadow:0 28px 64px rgba(15, 118, 110, 0.12);--shadow-soft:0 6px 28px rgba(15, 118, 110, 0.08);--ease-out:cubic-bezier(0.22, 1, 0.36, 1);--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","DM Sans",sans-serif;--max:1240px;--max-hero:980px;--header-h:3.25rem;--page-ambient-img:url("../images/hero-forest.jpg");--hero-eco-img:var(--page-ambient-img)}*,::after,::before{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 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10%,transparent)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:var(--header-h)}.logo{display:inline-flex;align-items:center;gap:.6rem;font-weight:600;font-size:1.05rem;letter-spacing:-.01em;text-decoration:none}.logo:hover{color:var(--text)}.logo-mark{width:2rem;height:2rem;border-radius:10px;background:conic-gradient(from 210deg,var(--accent),var(--accent-2),var(--accent));box-shadow:0 0 24px color-mix(in srgb,var(--accent) 35%,transparent)}.site-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:.25rem .35rem}.site-nav a{text-decoration:none;font-size:.8125rem;font-weight:500;letter-spacing:.01em;color:color-mix(in srgb,var(--text) 78%,var(--muted));padding:.4rem .65rem;border-radius:999px;transition:color .2s var(--ease-out),background .2s var(--ease-out)}.site-nav a:hover{color:var(--accent);background:color-mix(in srgb,var(--accent-bright) 18%,transparent)}.nav-cta{padding:.5rem 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0}.contact-meta p{margin:0 0 .5rem}.contact-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1rem;padding:1.65rem 1.5rem;border-radius:var(--radius);border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 96%,transparent);box-shadow:var(--shadow-soft)}.contact-form label{display:flex;flex-direction:column;gap:.4rem;font-size:.85rem;color:var(--muted)}.contact-form .full{grid-column:1/-1}.contact-form input,.contact-form select,.contact-form textarea{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);padding:.65rem .75rem;font:inherit;transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}.contact-form input::placeholder,.contact-form textarea::placeholder{color:color-mix(in srgb,var(--muted) 72%,transparent);opacity:1}.contact-form input:focus-visible,.contact-form select:focus-visible,.contact-form textarea:focus-visible{outline:2px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:1px;border-color:color-mix(in srgb,var(--accent) 38%,var(--border))}.contact-form button{grid-column:1/-1;justify-self:start}.form-hint{grid-column:1/-1;margin:0;min-height:1.25rem;font-size:.85rem;color:var(--accent)}.form-hint[data-state=error]{color:var(--danger)}.site-footer{border-top:1px solid var(--border);padding:3rem 0 0;background:linear-gradient(180deg,color-mix(in srgb,var(--bg-elevated) 92%,transparent),var(--bg-elevated))}.footer-grid{display:grid;gap:2.5rem 2rem;padding-bottom:2.5rem}@media (min-width:720px){.footer-grid{grid-template-columns:1.4fr repeat(3,1fr);align-items:start}}.footer-brand .logo-text{font-size:1.125rem;font-weight:600;letter-spacing:-.02em}.footer-slogan{margin:.5rem 0 .2rem;font-size:.8125rem;font-weight:500;letter-spacing:.05em;line-height:1.5;color:color-mix(in srgb,var(--text) 82%,var(--muted));max-width:18rem}.footer-tag{margin:.75rem 0 0;font-size:.75rem;color:color-mix(in srgb,var(--muted) 92%,var(--text))}.footer-heading{margin:0 0 .85rem;font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:color-mix(in srgb,var(--muted) 85%,var(--text))}.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}.footer-links a{text-decoration:none;color:var(--muted);font-size:.875rem;transition:color .2s var(--ease-out)}.footer-links a:hover{color:var(--accent)}.footer-compliance{padding:0 0 1.25rem;border-bottom:1px solid var(--border)}.footer-compliance-text{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.45rem .65rem;margin:0;font-size:.75rem;line-height:1.5;text-align:center;color:var(--muted)}.footer-compliance a{color:color-mix(in srgb,var(--muted) 88%,var(--text));text-decoration:none;transition:color .2s var(--ease-out)}.footer-compliance a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:0.2em}.footer-beian{font-variant-numeric:tabular-nums}.footer-compliance-sep{color:color-mix(in srgb,var(--muted) 65%,transparent);user-select:none}.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 0 2rem}.footer-note{margin:0;font-size:.75rem;color:var(--muted)}.footer-back-top{font-size:.8125rem;font-weight:500;color:var(--accent);text-decoration:none}.footer-back-top:hover{text-decoration:underline;text-underline-offset:0.2em}.eco-section{position:relative;padding:clamp(3rem,7vw,4.5rem) 0;overflow:hidden;border-block:1px solid var(--border);background:linear-gradient(180deg,var(--bg-elevated),rgba(255,255,255,.92))}.eco-section-bg{position:absolute;inset:0;opacity:.2;background:radial-gradient(ellipse 80% 60% at 20% 30%,color-mix(in srgb,var(--accent-bright) 35%,transparent),transparent),radial-gradient(ellipse 60% 50% at 90% 80%,color-mix(in srgb,var(--accent-2) 22%,transparent),transparent);pointer-events:none}.eco-layout{position:relative;z-index:1}.eco-header{max-width:46rem;margin-bottom:2rem}.eco-header h2{margin:0 0 .75rem;font-size:clamp(1.75rem, 3.2vw, 2.35rem);font-weight:600;letter-spacing:-.03em;line-height:1.15;color:var(--text)}.eco-lead{margin:0;font-size:1.05rem;color:var(--muted);line-height:1.65}.eco-lead strong{color:var(--accent);font-weight:600}.eco-grid{display:grid;gap:1.75rem;align-items:stretch}@media (min-width:900px){.eco-grid{grid-template-columns:1.05fr 0.95fr}}.eco-figure{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);box-shadow:var(--shadow)}.eco-figure img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.eco-caption{padding:.65rem 1rem;font-size:.75rem;line-height:1.45;color:var(--muted);background:var(--bg-elevated)}.eco-caption a{color:var(--accent);text-decoration:underline;text-underline-offset:0.15em}.eco-panels{display:flex;flex-direction:column;gap:1rem}.eco-card{margin:0;padding:1.15rem 1.25rem;border-radius:var(--radius-sm);border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 90%,transparent)}.eco-card h3{margin:0 0 .45rem;font-size:1.05rem;color:var(--accent)}.eco-card p{margin:0;font-size:.95rem;color:var(--muted);line-height:1.55}.eco-card-highlight{border-color:color-mix(in srgb,var(--accent) 45%,transparent);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 12%,var(--surface)),var(--surface));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 15%,transparent)}.eco-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:2rem 0 0;padding:1.25rem 1.35rem;border-radius:var(--radius);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);background:linear-gradient(120deg,color-mix(in srgb,var(--accent-bright) 16%,var(--bg)),var(--bg-elevated))}.eco-stats dt{margin:0 0 .35rem;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:600}.eco-stats dd{margin:0;font-size:.95rem;font-weight:600;color:var(--text);line-height:1.45}.eco-stat-num{display:inline-block;margin-right:.25rem;font-size:1.15rem;font-weight:700;color:var(--accent)}@media (max-width:720px){.eco-stats{grid-template-columns:1fr}}@media (max-width:820px){body.nav-open{overflow:hidden;touch-action:none}.hero-metrics{grid-template-columns:1fr}.nav-toggle{display:inline-flex;flex-direction:column;align-items:center;justify-content:center}.site-nav{display:none;position:absolute;left:0;right:0;top:100%;padding:1rem 1.25rem 1.25rem;background:color-mix(in srgb,var(--bg) 94%,transparent);border-bottom:1px solid var(--border);backdrop-filter:saturate(1.2) blur(16px)}.site-nav ul{flex-direction:column;align-items:flex-start}.contact-form{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.card,.contact-form input,.contact-form select,.contact-form textarea,.nav-toggle,.nav-toggle-bar,.nav-toggle::after,.nav-toggle::before{transition:none}.card:hover{transform:none}.hero-eco-arrow{animation:none}[data-reveal]{opacity:1;transform:none;transition:none}}