:root {
  --green: #09935c;
  --green-dark: #047044;
  --teal: #16a79d;
  --blue: #1769c2;
  --ink: #1e2a32;
  --muted: #667782;
  --line: #e5ece8;
  --soft: #f3faf7;
  --gold: #f2b84b;
  --white: #fff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.7;
  background: #fff;
}
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }
li { list-style: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

.top-strip { background: #16251f; color: #d7eee5; font-size: 13px; }
.top-strip .container { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; flex-wrap: wrap; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); box-shadow: 0 4px 18px rgba(0,0,0,.04); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 270px; }
.brand-logo { width: 56px; height: 56px; display: block; object-fit: contain; object-position: center; border-radius: 0; box-shadow: none; background: transparent; border: 0; }
.brand-copy { display: grid; gap: 1px; }
.brand-mark { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--green), var(--teal)); box-shadow: 0 8px 18px rgba(9,147,92,.25); }
.brand-title { font-size: 25px; line-height: 1.15; font-weight: 900; letter-spacing: .06em; color: #15251f; white-space: nowrap; }
.brand-sub { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav a { display: block; padding: 28px 13px; font-size: 15px; color: #263b34; border-bottom: 3px solid transparent; }
.site-nav a:hover, .site-nav a.is-active { color: var(--green); border-bottom-color: var(--green); font-weight: 700; }
.nav-toggle { display: none; border: 0; background: var(--green); color: #fff; padding: 9px 12px; border-radius: 8px; font-size: 14px; }

.hero { position: relative; color: #fff; background: url('../img/hero-grs-factory-audit.png') center/cover no-repeat; overflow: hidden; }
.hero::after { content: none; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; min-height: 560px; padding: 78px 0; }
.hero-inner > div:first-child { max-width: 720px; padding: 34px 38px; border-radius: 28px; background: linear-gradient(90deg, rgba(255,255,255,.92), rgba(255,255,255,.72)); border: 1px solid rgba(255,255,255,.85); box-shadow: 0 24px 70px rgba(3,58,42,.18); backdrop-filter: blur(6px); }
.eyebrow { color: var(--green-dark); font-weight: 900; letter-spacing: .16em; text-transform: uppercase; text-shadow: none; }
.hero h1 { margin: 14px 0 18px; font-size: clamp(34px, 5vw, 58px); line-height: 1.12; color: #083f31; font-weight: 900; letter-spacing: -.03em; text-shadow: 0 2px 0 rgba(255,255,255,.55); }
.hero p { max-width: 650px; margin: 0 0 28px; font-size: 19px; color: #173d35; font-weight: 600; text-shadow: 0 1px 0 rgba(255,255,255,.7); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 24px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; box-shadow: 0 10px 24px rgba(3,58,42,.12); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-outline { border-color: rgba(4,112,68,.55); color: var(--green-dark); background: rgba(255,255,255,.82); }
.btn-outline:hover { border-color: var(--green); background: #fff; }
.hero-card { background: rgba(7,73,58,.78); border: 1px solid rgba(255,255,255,.38); backdrop-filter: blur(12px); border-radius: 26px; padding: 30px; box-shadow: 0 24px 70px rgba(0,0,0,.24); color: #fff; }
.hero-card h2 { margin: 0 0 18px; font-size: 24px; color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.22); }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat { padding: 18px; border-radius: 16px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.stat strong { display: block; font-size: 28px; color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.22); }
.stat span { color: #eafff8; font-size: 13px; font-weight: 700; }

.section { padding: 64px 0; }
.section-soft { background: var(--soft); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-kicker { margin: 0 0 6px; color: var(--green); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: 13px; }
.section h2, .section-title { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.25; }
.section-desc { margin: 8px 0 0; color: var(--muted); max-width: 720px; }

.tab-shell { background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 14px 40px rgba(0,0,0,.06); }
.tab-menu { display: grid; grid-template-columns: repeat(5, 1fr); background: #eff7f3; border-bottom: 1px solid var(--line); }
.tab-menu button { border: 0; background: transparent; padding: 18px 12px; cursor: pointer; font-size: 15px; font-weight: 700; color: #38554a; }
.tab-menu button.is-active { background: var(--green); color: #fff; }
.tab-panel { display: none; padding: 34px; }
.tab-panel.is-active { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.visual-block { min-height: 300px; border-radius: 20px; overflow: hidden; background: #eef8f4; box-shadow: inset 0 0 0 1px rgba(9,147,92,.08); }
.visual-block img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; transition: transform .35s ease; }
.tab-panel:hover .visual-block img { transform: scale(1.035); }
.check-list li { position: relative; padding-left: 24px; margin: 9px 0; color: #38504a; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .75em; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 24px; box-shadow: 0 14px 34px rgba(3,58,42,.07); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(9,147,92,.22); box-shadow: 0 22px 44px rgba(3,58,42,.12); }
.card-icon { width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 16px; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--green), var(--teal)); overflow: hidden; }
.card-icon img { width: 100%; height: 100%; object-fit: cover; }
.card h3 { margin: 0 0 10px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }
.step-card { position: relative; padding-top: 28px; }
.step-num { position: absolute; top: -18px; left: 24px; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--green); font-weight: 800; border: 4px solid #fff; }

.news-list { background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.news-list a { display: flex; justify-content: space-between; gap: 18px; padding: 14px 20px; border-bottom: 1px solid var(--line); color: #2f433d; }
.news-list a:last-child { border-bottom: 0; }
.news-list a:hover { color: var(--green); background: #f8fcfa; }
.news-list time { white-space: nowrap; color: var(--muted); font-size: 14px; }
.about-band { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.about-panel { padding: 34px; border-radius: 24px; color: #fff; background: linear-gradient(135deg, rgba(4,112,68,.94), rgba(22,167,157,.84)); box-shadow: 0 20px 48px rgba(4,112,68,.22); }
.image-card { border-radius: 24px; overflow: hidden; box-shadow: 0 20px 52px rgba(3,58,42,.16); background: #fff; }
.image-card img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.about-panel h2 { margin-top: 0; }

.page-hero { background: linear-gradient(135deg, #0b8a61, #1477b9); color: #fff; padding: 58px 0; }
.page-hero h1 { margin: 0 0 8px; font-size: 38px; }
.breadcrumb { color: #dff8f0; font-size: 14px; }
.page-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 28px; align-items: start; }
.article { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px; box-shadow: 0 14px 34px rgba(3,58,42,.06); }
.article h2 { color: var(--green-dark); margin: 26px 0 12px; }
.article h2:first-child { margin-top: 0; }
.article p { color: #3c514b; }
.sidebar { display: grid; gap: 18px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.side-card h3 { margin: 0 0 12px; color: var(--green-dark); }
.side-nav a { display: block; padding: 10px 0; border-bottom: 1px dashed var(--line); color: #38504a; }
.side-nav a:hover { color: var(--green); }
.timeline { display: grid; gap: 16px; counter-reset: step; }
.timeline-item { position: relative; padding: 20px 20px 20px 76px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.timeline-item::before { counter-increment: step; content: counter(step); position: absolute; left: 20px; top: 22px; width: 38px; height: 38px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; font-weight: 800; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-item { border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: #fff; }
.contact-item strong { display: block; color: var(--green-dark); margin-bottom: 6px; }
.placeholder { color: #b16b00; background: #fff7e6; border: 1px solid #ffe0a3; border-radius: 8px; padding: 2px 7px; font-size: 13px; }

.cta { position: relative; color: #fff; background: linear-gradient(90deg, rgba(6,42,33,.92), rgba(4,112,68,.82)), url('../img/footer-pattern.png') center/cover no-repeat; padding: 54px 0; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 82% 45%, rgba(22,167,157,.35), transparent 28%); pointer-events: none; }
.cta > .container { position: relative; z-index: 1; }
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta h2 { margin: 0 0 6px; }
.site-footer { background: #111f1a; color: #bcd2cb; padding: 42px 0 18px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 30px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-grid h3 { color: #fff; margin: 0 0 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.footer-links a:hover { color: #fff; }
.copyright { padding-top: 18px; font-size: 13px; color: #8fa49d; }

@media (max-width: 960px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; left: 0; right: 0; top: 100%; display: none; flex-direction: column; align-items: stretch; background: #fff; border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 24px; border-bottom: 1px solid var(--line); }
  .hero-inner, .tab-panel.is-active, .about-band, .page-layout { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .tab-menu { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .top-strip .container, .section-head, .cta .container { display: block; }
  .header-inner { min-height: 66px; }
  .brand { min-width: 0; gap: 9px; }
  .brand-logo { width: 44px; height: 44px; border-radius: 12px; }
  .brand-mark { width: 44px; height: 44px; }
  .brand-title { font-size: 20px; }
  .brand-sub { font-size: 10px; letter-spacing: .08em; }
  .hero-inner { padding: 44px 0; }
  .hero-inner > div:first-child { padding: 24px; border-radius: 22px; }
  .hero p { font-size: 16px; }
  .hero-stats, .grid-4, .grid-3, .footer-grid, .contact-grid { grid-template-columns: 1fr; }
  .tab-menu { grid-template-columns: 1fr; }
  .tab-panel { padding: 22px; }
  .section { padding: 44px 0; }
  .article { padding: 22px; }
  .news-list a { display: block; }
}

.page-image { margin: 0 0 30px; border-radius: 20px; overflow: hidden; box-shadow: 0 18px 44px rgba(3,58,42,.12); background: linear-gradient(135deg, #f7fcfa, #edf8f4); border: 1px solid rgba(9,147,92,.08); }
.page-image img { width: 100%; height: auto; max-height: none; object-fit: contain; }
.process-image img { object-position: center; }
.news-hero-card { background: linear-gradient(135deg, rgba(9,147,92,.08), rgba(23,105,194,.08)); border: 1px solid var(--line); border-radius: 18px; padding: 22px; margin-bottom: 22px; }
@media (max-width: 960px) { .hero { background-position: 58% center; } .hero-inner { min-height: 500px; } }
@media (max-width: 640px) { .hero { background: url('../img/hero-grs-factory-audit.png') center/cover no-repeat; } .hero-inner { min-height: 520px; padding: 54px 0; } .visual-block, .visual-block img { min-height: 220px; } }