:root {
  --primary: #159b5b;
  --primary-light: #dff7ea;
  --secondary: #0f7a55;
  --accent: #e8a72b;
  --background: #f2faf5;
  --surface: rgba(251, 255, 252, 0.88);
  --surface-soft: #eaf8ef;
  --text-primary: #173c2a;
  --text-secondary: #5a7164;
  --border: rgba(69, 140, 94, 0.28);
  --footer-bg: #123c2d;
  --shadow: 0 22px 62px rgba(21, 155, 91, 0.15);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 8% 4%, rgba(21, 155, 91, 0.12), transparent 30%),
    radial-gradient(circle at 88% 12%, rgba(232, 167, 43, 0.1), transparent 28%),
    linear-gradient(180deg, #f9fdfa 0%, var(--background) 58%, #eef9f2 100%);
  line-height: 1.78;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img, svg { max-width: 100%; }
:focus-visible { outline: 3px solid rgba(21, 155, 91, 0.32); outline-offset: 3px; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(900px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(242, 250, 245, 0.75); border-bottom: 1px solid rgba(69, 140, 94, 0.22); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.navbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -0.02em; color: var(--text-primary); }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 15px; color: #f8fffa; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 12px 26px rgba(21, 155, 91, 0.24); }
.brand-mark svg { width: 26px; height: 26px; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link, .nav-cta { display: inline-flex; align-items: center; min-height: 42px; padding: 9px 13px; border-radius: 999px; color: #28503b; font-size: 15px; transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease; }
.nav-link:hover, .nav-link.active { color: var(--primary); background: rgba(223, 247, 234, .9); }
.nav-cta { margin-left: 8px; color: #f8fffa; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 12px 24px rgba(21, 155, 91, .22); }
.nav-cta:hover { color: #f8fffa; transform: translateY(-1px); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 14px; background: rgba(251, 255, 252, .8); cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px auto; border-radius: 999px; background: var(--text-primary); transition: transform .18s ease, opacity .18s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.section-pad { padding: 88px 0; }
.section-pad.compact { padding: 60px 0; }
.surface { background: linear-gradient(180deg, rgba(251, 255, 252, .7), rgba(234, 248, 239, .72)); border-block: 1px solid var(--border); }
.hero { position: relative; padding: 108px 0 92px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 8% -10% auto auto; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(232, 167, 43, .16), transparent 64%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(340px, .92fr); align-items: center; gap: 46px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 999px; background: rgba(251, 255, 252, .8); color: var(--primary); font-size: 14px; font-weight: 800; }
.eyebrow.strong { color: #f8fffa; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 14px 30px rgba(21, 155, 91, .2); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 22px; font-size: clamp(38px, 5.4vw, 66px); line-height: 1.12; letter-spacing: -.045em; }
h2 { margin-bottom: 16px; font-size: clamp(28px, 3.4vw, 42px); line-height: 1.24; letter-spacing: -.035em; }
h3 { margin-bottom: 10px; font-size: 20px; line-height: 1.36; }
p { margin-bottom: 16px; color: var(--text-secondary); }
.hero-copy p, .page-hero p, .section-head p, .split p { font-size: 18px; }
.hero-copy p { max-width: 650px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; font: inherit; font-weight: 800; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; }
.btn-primary { color: #f8fffa; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 16px 34px rgba(21, 155, 91, .25); }
.btn-primary:hover { color: #f8fffa; transform: translateY(-2px); box-shadow: 0 22px 40px rgba(21, 155, 91, .31); }
.btn-ghost { color: var(--text-primary); border-color: var(--border); background: rgba(251, 255, 252, .8); }
.btn-ghost:hover { background: #f8fffa; transform: translateY(-2px); }
.hero-tags, .audience-grid, .keyword-row { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags span, .audience-grid span, .keyword-row span, .badge { display: inline-flex; align-items: center; min-height: 36px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 999px; color: #356047; background: rgba(251, 255, 252, .84); }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 10% 4%; z-index: -1; border-radius: 50%; background: linear-gradient(135deg, rgba(21, 155, 91, .2), rgba(232, 167, 43, .16)); filter: blur(54px); }
.hero-illustration { width: 100%; height: auto; filter: drop-shadow(0 32px 46px rgba(23, 60, 42, .14)); }
.split, .two-col, .content-grid, .contact-grid, .article-layout { display: grid; gap: 34px; align-items: start; }
.split { grid-template-columns: .95fr 1.05fr; align-items: center; }
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.content-grid { grid-template-columns: minmax(0, 1.38fr) minmax(280px, .72fr); }
.contact-grid { grid-template-columns: minmax(280px, .84fr) minmax(0, 1.16fr); }
.article-layout { grid-template-columns: minmax(0, 1fr) 310px; }
.section-head { max-width: 780px; margin: 0 auto 40px; text-align: center; }
.cards-grid, .feature-list, .advantage-grid, .values-grid, .news-grid, .case-grid, .solution-grid, .info-grid, .faq-grid, .stat-grid { display: grid; gap: 22px; }
.cards-grid, .news-grid, .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-list, .advantage-grid, .values-grid, .stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.case-grid, .solution-grid, .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.glass-card, .service-card, .solution-card, .info-card, .contact-info, .contact-form, .case-card, .news-card, .article, .sidebar-card, .faq-item, .process-card, .value-card, .stat-card { border: 1px solid rgba(69, 140, 94, .26); border-radius: var(--radius-lg); background: linear-gradient(180deg, rgba(251, 255, 252, .9), rgba(244, 251, 246, .74)); box-shadow: var(--shadow); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.service-card, .solution-card, .info-card, .case-card, .news-card, .process-card, .value-card, .stat-card { position: relative; padding: 26px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.service-card::after, .solution-card::after, .case-card::after, .news-card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: linear-gradient(135deg, rgba(21, 155, 91, .46), rgba(232, 167, 43, .22), transparent 68%); mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; pointer-events: none; }
.service-card:hover, .solution-card:hover, .case-card:hover, .news-card:hover, .process-card:hover, .value-card:hover { transform: translateY(-6px); box-shadow: 0 30px 76px rgba(21, 155, 91, .19); border-color: rgba(21, 155, 91, .34); }
.icon { width: 36px; height: 36px; margin-bottom: 14px; color: var(--primary); }
.pill { display: inline-flex; align-items: center; margin-bottom: 12px; padding: 6px 10px; border-radius: 999px; color: var(--primary); background: var(--primary-light); font-size: 13px; font-weight: 800; }
.text-link { display: inline-flex; align-items: center; margin-top: 8px; color: var(--primary); font-weight: 850; }
.text-link::after { content: "→"; margin-left: 6px; }
.problem-panel, .solution-panel { padding: 34px; border-radius: var(--radius-lg); }
.problem-panel { border: 1px solid var(--border); background: radial-gradient(circle at top left, rgba(21, 155, 91, .12), transparent 36%), linear-gradient(135deg, #eaf8ef, #fff9e9); }
.solution-panel { background: linear-gradient(180deg, rgba(251, 255, 252, .9), rgba(237, 250, 241, .72)); }
.check-list, .arrow-list, .clean-list { padding: 0; margin: 18px 0 0; list-style: none; }
.check-list li, .arrow-list li, .clean-list li { position: relative; margin: 12px 0; padding-left: 30px; color: #356047; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; color: #087546; background: rgba(21, 155, 91, .15); font-weight: 900; line-height: 1; }
.arrow-list li::before, .clean-list li::before { content: "•"; position: absolute; left: 8px; top: 0; color: var(--primary); font-weight: 900; }
.feature-list > div, .advantage-grid article, .values-grid > div, .info-grid > div, .process-card, .stat-card { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius-md); background: rgba(251, 255, 252, .8); box-shadow: 0 16px 42px rgba(23, 60, 42, .07); }
.feature-list b, .process-card span, .stat-card b { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; margin-bottom: 13px; border-radius: 15px; color: #f8fffa; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 12px 24px rgba(21, 155, 91, .18); }
.process-card span { font-weight: 900; font-size: 22px; }
.stat-card b { width: auto; padding: 0 14px; font-size: 24px; }
.stats-band { padding: 36px 0; color: #f8fffa; background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.stats-band .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); text-align: center; }
.stats-band b { display: block; font-size: clamp(24px, 3vw, 38px); line-height: 1.2; }
.stats-band span { color: rgba(248, 255, 250, .84); }
.page-hero { padding: 94px 0 70px; text-align: center; background: linear-gradient(180deg, rgba(223, 247, 234, .9), rgba(242, 250, 245, .48)); border-bottom: 1px solid var(--border); }
.page-hero .keyword-row { justify-content: center; margin-top: 18px; }
.prose { font-size: 17px; }
.prose h2 { margin-top: 26px; font-size: 30px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text-secondary); }
.info-card, .contact-info { padding: 28px; }
.info-card p, .contact-info p { margin-bottom: 12px; }
.service-stack { display: grid; gap: 28px; }
.service-detail { scroll-margin-top: 100px; display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 26px; padding: 34px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: rgba(251, 255, 252, .84); box-shadow: 0 18px 52px rgba(23, 60, 42, .08); }
.service-number { color: var(--primary); font-size: 36px; font-weight: 950; letter-spacing: -.04em; opacity: .7; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 20px 0; }
.detail-grid > div { padding: 18px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface-soft); }
.detail-grid h3, .detail-grid h4 { margin-bottom: 8px; }
.detail-grid ul { margin: 0; padding-left: 20px; color: var(--text-secondary); }
.service-detail details, .faq-item { padding: 18px 20px; border: 1px solid var(--border); border-radius: 18px; background: rgba(249, 253, 250, .84); }
.service-detail summary, .faq-item summary { font-weight: 850; cursor: pointer; }
.solution-card dl, .case-card dl { margin: 0; }
.solution-card dt, .case-card dt { margin-top: 13px; color: var(--primary); font-weight: 900; }
.solution-card dd, .case-card dd { margin: 4px 0 0; color: var(--text-secondary); }
.case-card > span, .news-card > span { display: inline-flex; margin-bottom: 12px; padding: 6px 10px; border-radius: 999px; color: var(--primary); background: var(--primary-light); font-weight: 800; font-size: 13px; }
.news-card time, .article time { display: inline-flex; margin-bottom: 12px; color: var(--primary); font-weight: 800; }
.article { padding: 36px; }
.article h1 { font-size: clamp(32px, 4vw, 48px); }
.article h2 { margin-top: 28px; font-size: 26px; }
.sidebar-card { position: sticky; top: 104px; padding: 24px; }
.sidebar-card a { display: block; padding: 10px 0; border-bottom: 1px solid var(--border); color: #356047; }
.sidebar-card a:last-child { border-bottom: 0; }
.contact-info p { display: flex; gap: 10px; align-items: flex-start; }
.contact-info .icon { flex: 0 0 auto; width: 22px; height: 22px; margin-top: 4px; }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 28px; }
.form-row.full, .privacy-check, .contact-form button, .form-note { grid-column: 1 / -1; }
.form-row label { display: block; margin-bottom: 7px; font-weight: 850; }
.form-row input, .form-row select, .form-row textarea { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 16px; color: var(--text-primary); background: rgba(249, 253, 250, .92); font: inherit; outline: none; transition: border-color .16s ease, box-shadow .16s ease; }
.form-row textarea { min-height: 140px; resize: vertical; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(21, 155, 91, .12); }
.privacy-check { display: flex; gap: 10px; align-items: flex-start; color: var(--text-secondary); font-size: 14px; }
.privacy-check input { width: 18px; height: 18px; margin-top: 5px; accent-color: var(--primary); }
.form-note { min-height: 24px; margin: 0; color: var(--primary); font-weight: 800; }
.contact-strip { background: radial-gradient(circle at 18% 20%, rgba(21, 155, 91, .15), transparent 28%), linear-gradient(135deg, #effaf2, #fff9e9); }
.site-footer { padding: 58px 0 22px; color: #ddf2e4; background: var(--footer-bg); }
.site-footer p, .site-footer a, .site-footer li { color: #bde0ca; }
.site-footer a:hover { color: #f8fffa; }
.footer-grid { display: grid; grid-template-columns: 1.24fr .84fr .96fr 1.06fr; gap: 28px; }
.footer-brand { margin-bottom: 12px; color: #f8fffa; font-size: 22px; font-weight: 950; }
.site-footer h3 { color: #f8fffa; font-size: 17px; }
.site-footer a { display: block; margin: 8px 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(248, 255, 250, .14); font-size: 14px; }
.footer-bottom span a { display: inline; margin: 0; }
.muted { color: #748d7e; }
.skip-note { padding: 16px 18px; border: 1px dashed rgba(21, 155, 91, .34); border-radius: 18px; color: var(--text-secondary); background: rgba(223, 247, 234, .52); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }
