/* ============ 云菌坊 Mushroom Valley · 全局样式 ============ */
:root {
  --green-900: #264936;
  --green-800: #315d45;
  --green-700: #3f7655;
  --green-600: #568e69;
  --green-500: #72a681;
  --green-100: #e4eee5;
  --green-50: #f3f7f1;
  --amber-500: #d9a64f;
  --amber-600: #bd8732;
  --ink-900: #29372f;
  --ink-700: #4c5d53;
  --ink-500: #738078;
  --bg: #fcfcf8;
  --card: #ffffff;
  --line: #e2e9e1;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(38, 73, 54, 0.08);
  --shadow-lg: 0 18px 50px rgba(38, 73, 54, 0.13);
  --header-h: 68px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; max-width: 100%; overflow-x: hidden; }
body {
  font-family: var(--font);
  color: var(--ink-900);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  max-width: 100%; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: all 0.25s;
}
.btn-primary { background: var(--green-700); color: #fff; box-shadow: 0 6px 18px rgba(39, 99, 56, 0.35); }
.btn-primary:hover { background: var(--green-600); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,0.14); color: #fff; border: 1.5px solid rgba(255,255,255,0.55); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255,255,255,0.28); }
.btn-ghost.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-outline { border: 1.5px solid var(--green-600); color: var(--green-700); background: #fff; }
.btn-outline:hover { background: var(--green-50); }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(252, 252, 248, 0.94);
  backdrop-filter: blur(14px);
  color: var(--green-900);
  border-bottom: 1px solid rgba(63, 118, 85, 0.14);
  box-shadow: 0 4px 18px rgba(38, 73, 54, 0.05);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: 0.5px; }
.brand-logo { font-size: 26px; }
.nav-desktop { display: flex; gap: 6px; }
.nav-link { padding: 8px 16px; border-radius: 999px; font-size: 15px; color: var(--ink-700); transition: all 0.2s; }
.nav-link:hover { color: var(--green-800); background: var(--green-100); }
.nav-link.active { color: #fff; background: var(--green-600); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.site-header .btn-ghost { color: var(--green-800); border-color: rgba(63,118,85,0.5); background: rgba(255,255,255,0.58); }
.site-header .btn-ghost:hover { color: var(--green-900); border-color: var(--green-600); background: var(--green-100); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--green-800); border-radius: 2px; transition: 0.25s; }
.nav-mobile { display: none; background: rgba(252,252,248,0.98); padding: 8px 0 16px; border-top: 1px solid var(--line); }
.nav-mobile.open { display: block; }
.nav-mobile .nav-link { display: block; margin: 4px 5%; padding: 10px 16px; }

@media (max-width: 860px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- 页脚 ---------- */
.site-footer { background: #315744; color: rgba(255,255,255,0.82); margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 0.8fr 1.2fr; gap: 40px; padding: 56px 0 40px; }
.footer-brand { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-desc { font-size: 14px; line-height: 1.8; max-width: 320px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: 1px; }
.site-footer p { font-size: 14px; margin-bottom: 8px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.footer-links a:hover { color: var(--amber-500); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 0; font-size: 13px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section-sm { padding: 44px 0; }
.section-label {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--green-600); background: var(--green-100); padding: 6px 16px; border-radius: 999px; margin-bottom: 14px;
}
.section-title { font-size: clamp(24px, 3.4vw, 36px); font-weight: 800; line-height: 1.35; margin-bottom: 14px; }
.section-sub { color: var(--ink-500); font-size: 15.5px; max-width: 640px; }
.section-head { margin-bottom: 40px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin: 0 auto; }

/* 页面头图 */
.page-hero {
  background:
    radial-gradient(circle at 18% 20%, rgba(217,166,79,0.13), transparent 28%),
    linear-gradient(135deg, #edf4eb 0%, #dcebdd 58%, #e8f1e5 100%);
  color: var(--green-900); padding: 64px 0 56px; text-align: center;
  border-bottom: 1px solid rgba(63,118,85,0.1);
}
.page-hero h1 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; margin-bottom: 10px; }
.page-hero p { color: var(--ink-700); max-width: 620px; margin: 0 auto; font-size: 15.5px; }
.page-hero .back-link { color: var(--green-800); }
.page-hero .back-link:hover { color: var(--amber-600); }

/* 卡片 */
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

/* ---------- 栅格 ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-2 { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 560px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* 图片容器 */
.img-wrap { position: relative; overflow: hidden; border-radius: var(--radius); }
.img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.card:hover .img-wrap img { transform: scale(1.05); }
.img-ratio-43 { aspect-ratio: 4 / 3; }
.img-ratio-169 { aspect-ratio: 16 / 9; }

/* 标签 */
.tag {
  display: inline-block; font-size: 12px; font-weight: 700;
  background: var(--amber-500); color: #fff; padding: 4px 12px; border-radius: 999px;
}

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: calc(88vh - var(--header-h));
  display: flex; align-items: center; color: #fff; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, rgba(12,32,18,0.88) 0%, rgba(12,32,18,0.72) 28%, rgba(12,32,18,0.28) 49%, rgba(12,32,18,0.03) 70%);
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center center; }
.hero-content {
  position: relative; z-index: 1; width: min(620px, 43vw); max-width: none;
  margin-left: clamp(48px, 8vw, 164px); margin-right: auto; padding: 60px 0;
}
.hero h1 { max-width: 600px; font-size: clamp(36px, 3.5vw, 50px); font-weight: 800; line-height: 1.22; margin-bottom: 20px; text-shadow: 0 3px 18px rgba(0,0,0,.18); }
.hero p { max-width: 560px; font-size: clamp(14px, 1.25vw, 16px); line-height: 1.85; color: rgba(255,255,255,0.9); margin-bottom: 30px; }
.hero .btn-ghost { margin-left: 12px; }

/* 统计条 */
.stats-band { background: linear-gradient(120deg, #466f56, #5e8e6c); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 40px 0; text-align: center; }
.stat-value { font-size: clamp(26px, 3.2vw, 40px); font-weight: 800; color: var(--amber-500); }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.85); margin-top: 4px; }
@media (max-width: 700px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* 故事卡片 */
.story-card { background: #fff; border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.story-item { display: flex; gap: 16px; align-items: flex-start; margin-top: 20px; }
.story-item .icon {
  flex: 0 0 52px; width: 52px; height: 52px; border-radius: 14px;
  background: var(--green-50); display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.story-item h4 { font-size: 16px; margin-bottom: 4px; }
.story-item p { font-size: 14px; color: var(--ink-500); }

/* 体验横幅 */
.exp-banner {
  position: relative; border-radius: 24px; overflow: hidden; color: #fff;
  min-height: 340px; display: flex; align-items: center;
}
.exp-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,28,15,0.85), rgba(10,28,15,0.35)); }
.exp-banner img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.exp-banner .inner { position: relative; z-index: 1; padding: 48px; max-width: 560px; }
.exp-banner h2 { font-size: clamp(22px, 2.8vw, 32px); font-weight: 800; line-height: 1.35; margin-bottom: 12px; }
.exp-banner p { color: rgba(255,255,255,0.88); margin-bottom: 24px; }

/* 特性 */
.feature-card { padding: 30px 26px; text-align: center; }
.feature-card .icon { font-size: 40px; margin-bottom: 14px; }
.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--ink-500); }

/* 产品卡 */
.product-card .img-wrap { aspect-ratio: 3 / 4; background: #f7f2e8; }
.product-card .img-wrap img { object-fit: contain; }
.product-card .tag { position: absolute; top: 12px; left: 12px; z-index: 2; }
.product-body { padding: 20px; position: relative; }
.product-body h3 { font-size: 17px; margin-bottom: 6px; padding-right: 70px; }
.product-body .desc { font-size: 13.5px; color: var(--ink-500); margin-bottom: 14px; min-height: 44px; }
.product-price { font-size: 20px; font-weight: 800; color: var(--green-700); }
.product-price small { font-size: 12px; font-weight: 500; color: var(--ink-500); }

/* 新闻卡 */
.news-card .img-wrap { aspect-ratio: 16 / 9; }
.news-card .img-wrap.poster-media { background: #f7f2e8; }
.news-card .img-wrap.poster-media img { object-fit: contain; }
.news-body { padding: 20px 22px 24px; }
.news-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--ink-500); margin-bottom: 10px; }
.news-body h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 10px; }
.news-body h3 a:hover { color: var(--green-600); }
.news-body .summary { font-size: 13.5px; color: var(--ink-500); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-more { display: inline-flex; align-items: center; gap: 4px; margin-top: 14px; font-size: 13.5px; font-weight: 600; color: var(--green-600); }

/* 评价 */
.testi-card { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.testi-card .quote { font-size: 14px; color: var(--ink-700); margin-bottom: 18px; }
.testi-user { display: flex; align-items: center; gap: 12px; }
.testi-user img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testi-user .name { font-size: 14.5px; font-weight: 700; }
.testi-user .role { font-size: 12.5px; color: var(--ink-500); }

/* ---------- 关于我们 ---------- */
.about-text p { margin-bottom: 16px; color: var(--ink-700); font-size: 15.5px; }
.about-values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.value-card { background: var(--green-50); border-radius: 14px; padding: 22px; }
.value-card .icon { font-size: 30px; margin-bottom: 10px; }
.value-card h4 { font-size: 15.5px; margin-bottom: 6px; }
.value-card p { font-size: 13.5px; color: var(--ink-500); }
@media (max-width: 560px) { .about-values { grid-template-columns: 1fr; } }

/* ---------- 新闻详情 ---------- */
.news-detail { max-width: 820px; margin: 0 auto; }
.news-detail .cover { border-radius: 20px; overflow: hidden; aspect-ratio: 16 / 8; margin-bottom: 30px; }
.news-detail .cover img { width: 100%; height: 100%; object-fit: cover; }
.news-detail h1 { font-size: clamp(22px, 3vw, 32px); line-height: 1.4; margin-bottom: 14px; }
.news-detail .meta { display: flex; gap: 18px; color: var(--ink-500); font-size: 13.5px; margin-bottom: 28px; }
.news-detail .content { font-size: 15.5px; color: var(--ink-700); }
.news-detail .content p { margin-bottom: 18px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-size: 14px; margin-bottom: 20px; }
.back-link:hover { color: var(--amber-500); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info-card { background: linear-gradient(150deg, var(--green-800), var(--green-600)); color: #fff; border-radius: 20px; padding: 36px; }
.contact-info-card h3 { font-size: 20px; margin-bottom: 8px; }
.contact-info-card > p { font-size: 14px; color: rgba(255,255,255,0.85); margin-bottom: 26px; }
.contact-row { display: flex; gap: 14px; margin-bottom: 18px; font-size: 14.5px; }
.contact-row .ico { font-size: 20px; }
.contact-form { background: #fff; border-radius: 20px; box-shadow: var(--shadow); padding: 36px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--ink-700); }
.form-field input, .form-field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px;
  font-size: 16px; font-family: inherit; transition: border 0.2s; background: var(--bg);
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--green-500); background: #fff; }
.form-field textarea { min-height: 120px; resize: vertical; }
.form-msg { font-size: 13.5px; margin-top: 12px; display: none; }
.form-msg.ok { display: block; color: var(--green-600); }
.form-msg.err { display: block; color: #c0392b; }

/* 动画 */
.fade-up { animation: fadeUp 0.6s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- 资质与信任 ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 900px; margin: 0 auto; }
.trust-item {
  background: #fff; border-radius: 14px; padding: 18px 20px;
  box-shadow: var(--shadow); display: flex; gap: 12px; align-items: flex-start;
  font-size: 14.5px; color: var(--ink-700); line-height: 1.7;
}
.trust-item .tick {
  flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%;
  background: var(--green-700); color: #fff; font-weight: 800;
  display: flex; align-items: center; justify-content: center; font-size: 14px; margin-top: 2px;
}
@media (max-width: 700px) { .trust-grid { grid-template-columns: 1fr; } }

/* 企业资质 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cert-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.cert-card .cert-image { aspect-ratio: 4 / 3; padding: 12px; background: #f7f5ef; }
.cert-card .cert-image img { width: 100%; height: 100%; object-fit: contain; }
.cert-card figcaption { padding: 14px 16px 18px; font-size: 14px; line-height: 1.5; font-weight: 650; color: var(--ink-700); text-align: center; }
@media (max-width: 900px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cert-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  border: 1.5px solid transparent; overflow: hidden;
}
.faq-item[open] { border-color: var(--green-500); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 20px;
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15.5px; font-weight: 700; line-height: 1.5;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; margin-left: auto; flex: 0 0 auto;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--green-100); color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; transition: transform 0.25s;
}
.faq-item[open] summary::after { content: "−"; background: var(--green-700); color: #fff; }
.faq-qmark {
  flex: 0 0 auto; font-size: 12px; font-weight: 800; color: var(--green-600);
  background: var(--green-100); padding: 3px 9px; border-radius: 999px; margin-top: 1px;
}
.faq-a {
  padding: 0 20px 20px 20px; font-size: 14.5px; color: var(--ink-700); line-height: 1.85;
  border-top: 1px dashed var(--line); padding-top: 14px; margin: 0 0;
  display: block;
}
.faq-amar {
  display: inline-block; font-size: 12px; font-weight: 800; color: #fff;
  background: var(--amber-500); padding: 2px 9px; border-radius: 999px; margin-bottom: 8px;
}

/* ================= 移动端增强 ================= */
@media (max-width: 760px) {
  :root { --header-h: 60px; }
  .container { width: calc(100% - 32px); }
  .header-inner { gap: 8px; }
  .brand { min-width: 0; font-size: 17px; letter-spacing: 0; white-space: nowrap; }
  .header-actions { gap: 5px; }
  .header-actions .btn-sm { padding: 6px 11px; }
  .nav-toggle { padding: 6px 2px 6px 6px; }
  .nav-mobile { max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .nav-mobile .nav-link { padding: 11px 14px; }

  .section { padding: 44px 0; }
  .section-sm { padding: 26px 0; }
  .section-head { margin-bottom: 28px; }
  .section-title { font-size: 25px; }
  .section-sub { font-size: 14px; line-height: 1.75; }
  .page-hero { padding: 38px 0 34px; }
  .page-hero h1 { font-size: 27px; }
  .page-hero p { width: 92%; font-size: 14px; line-height: 1.7; }

  .hero { min-height: 520px; height: auto; }
  .hero::before { background: linear-gradient(180deg, rgba(12,32,18,0.48) 0%, rgba(12,32,18,0.86) 78%); }
  .hero-bg { object-position: 60% center; }
  .hero-content { width: calc(100% - 32px); margin: 0 auto; padding: 70px 0 52px; align-self: flex-end; }
  .hero h1 { font-size: 31px; line-height: 1.3; margin-bottom: 14px; }
  .hero p { font-size: 15px; line-height: 1.75; margin-bottom: 22px; }
  .hero .btn { padding: 11px 24px; font-size: 14px; }
  .hero .btn-ghost { margin-left: 10px; margin-top: 10px; }
  .stats-grid { padding: 28px 0; gap: 14px; }
  .stat-value { font-size: 27px; }
  .stat-label { font-size: 12.5px; line-height: 1.5; }
  .story-card { padding: 24px 20px; }
  .story-item { gap: 12px; }
  .story-item .icon { flex-basis: 44px; width: 44px; height: 44px; font-size: 22px; }
  .exp-banner { min-height: 300px; border-radius: 18px; }
  .exp-banner::before { background: linear-gradient(90deg, rgba(10,28,15,0.9), rgba(10,28,15,0.58)); }
  .exp-banner .inner { padding: 30px 26px; }
  .contact-info-card, .contact-form { padding: 26px 22px; }
  .contact-row { align-items: flex-start; overflow-wrap: anywhere; }
  .card { border-radius: 14px; }
  .site-footer { margin-top: 52px; }
  .site-footer p, .footer-desc { overflow-wrap: anywhere; }
  /* 网格间距收紧 */
  .grid-3, .grid-4, .grid-2 { gap: 16px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  /* 产品描述不再强制等高，避免短文案留白 */
  .product-body .desc { min-height: 0; }
  .product-card .img-wrap { max-height: 520px; }
  .news-card .img-wrap.poster-media { aspect-ratio: 3 / 4; max-height: 520px; }
  .news-body { padding: 18px 18px 22px; }
  .cert-card .cert-image { aspect-ratio: 3 / 2; padding: 10px; }
  .faq-item summary { padding: 16px; font-size: 15px; }
  .faq-a { padding: 12px 16px 18px; font-size: 14px; }
  .footer-grid { padding: 42px 0 30px; }
}
@media (max-width: 480px) {
  .hero { min-height: 500px; }
  .hero h1 { font-size: 28px; }
  .hero .btn { display: inline-flex; width: 100%; }
  .hero .btn-ghost { margin-left: 0; }
  .stats-grid { column-gap: 8px; }
  .product-body h3 { padding-right: 0; }
  .contact-row { font-size: 14px; }
  .news-detail .meta { flex-wrap: wrap; gap: 10px 16px; }
  .footer-grid { gap: 24px; }
}

/* ================= 健康 × AI 科技视觉精修 2026-09 ================= */
:root {
  --green-900: #173d2b;
  --green-800: #20533b;
  --green-700: #2b6d4c;
  --green-600: #3e8863;
  --green-500: #61a982;
  --green-100: #deeee5;
  --green-50: #f0f7f3;
  --amber-500: #ba9459;
  --amber-600: #9c7741;
  --ink-900: #13251c;
  --ink-700: #344b40;
  --ink-500: #6c7f75;
  --line: #dbe6df;
  --bg: #f8faf8;
  --radius: 14px;
  --shadow: 0 12px 34px rgba(27, 73, 50, .075);
}

body {
  background:
    radial-gradient(circle at 95% 8%, rgba(56, 151, 121, .055), transparent 22%),
    var(--bg);
  color: var(--ink-900);
}
.container { width: min(1180px, 91%); }

/* 导航：轻量科技门户 */
.site-header {
  background: rgba(255, 255, 255, .94);
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, #2b6d4c, #42a98b, #79b9c8) 1;
  border-bottom-color: rgba(32, 83, 59, .1);
  box-shadow: 0 8px 26px rgba(24, 64, 43, .045);
  backdrop-filter: blur(14px);
}
.header-inner { height: 70px; }
.brand { position: relative; font-size: 21px; letter-spacing: 1.5px; color: var(--green-900); }
.brand::before {
  content: ""; width: 9px; height: 9px; border: 2px solid #49a789; border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(73, 167, 137, .1);
}
.nav-desktop { gap: 12px; }
.nav-link { position: relative; padding: 9px 10px; border-radius: 6px; font-size: 14px; }
.nav-link::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 2px; height: 2px; background: linear-gradient(90deg, #2b6d4c, #51a9a1); transition: .25s; }
.nav-link:hover, .nav-link.active { background: transparent; color: var(--green-800); }
.nav-link:hover::after, .nav-link.active::after { left: 10px; right: 10px; }
.btn { border-radius: 8px; font-weight: 650; }
.btn-primary { background: linear-gradient(120deg, #286b4b, #378c6b); box-shadow: 0 9px 24px rgba(38, 110, 76, .2); }
.btn-primary:hover { background: linear-gradient(120deg, #205b3e, #2d7c5b); }
.btn-outline { border-color: rgba(43, 109, 76, .42); background: rgba(255,255,255,.42); }

/* 首屏：健康为主、AI为辅，不遮挡建筑招牌 */
.hero { min-height: calc(86vh - var(--header-h)); }
.hero::before {
  background:
    linear-gradient(90deg, rgba(10,39,25,.9) 0%, rgba(16,61,41,.72) 27%, rgba(20,74,53,.28) 48%, rgba(15,54,39,.03) 69%),
    linear-gradient(0deg, rgba(7,28,18,.2), transparent 34%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,.22) 1px, transparent 1.2px);
  background-size: 28px 28px; opacity: .15;
  mask-image: linear-gradient(90deg, #000, transparent 48%);
}
.hero-content { z-index: 2; isolation: isolate; width: min(610px, 42vw); }
.hero-content::before {
  content: ""; position: absolute; z-index: -1; inset: 10px -54px 4px -46px;
  background: radial-gradient(ellipse at 35% 48%, rgba(7,34,21,.78) 0%, rgba(8,40,24,.58) 44%, rgba(8,40,24,.18) 71%, transparent 82%);
  filter: blur(5px); pointer-events: none;
}
.hero-kicker { display: flex; align-items: center; gap: 11px; margin-bottom: 18px; color: #d4f3e5; font-size: 10px; font-weight: 750; letter-spacing: 3px; text-shadow: 0 2px 10px rgba(0,0,0,.5); }
.hero-kicker span { display: block; width: 34px; height: 1px; background: #73c9aa; box-shadow: 13px 0 0 rgba(115,201,170,.35); }
.hero h1 { font-size: clamp(36px, 3.35vw, 49px); letter-spacing: -.8px; color: #fff; text-shadow: 0 3px 20px rgba(0,0,0,.52), 0 1px 2px rgba(0,0,0,.34); }
.hero p { color: rgba(255,255,255,.94); text-shadow: 0 2px 12px rgba(0,0,0,.54); }
.hero .btn { min-height: 46px; padding: 11px 23px; }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,.68); background: rgba(7,39,23,.22); backdrop-filter: blur(4px); text-shadow: 0 1px 5px rgba(0,0,0,.35); }

/* 数据实力：从厚重色带改为清晰仪表感 */
.stats-band { position: relative; background: linear-gradient(112deg, #1d5138, #377b5c 62%, #367f76); }
.stats-band::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(90deg, transparent 49.8%, rgba(255,255,255,.05) 50%, transparent 50.2%); background-size: 160px 100%; pointer-events: none; }
.stats-grid { position: relative; z-index: 1; padding: 34px 0; }
.stats-grid > div:not(:last-child) { border-right: 1px solid rgba(255,255,255,.14); }
.stat-value { color: #dbeac4; font-weight: 750; }
.stat-label { color: rgba(255,255,255,.72); letter-spacing: .5px; }

/* 统一栏目标题与留白 */
.section { padding: 82px 0; }
.section-sm { padding: 46px 0; }
.section-head { margin-bottom: 42px; }
.section-label {
  padding: 5px 11px; border: 1px solid rgba(57,139,104,.18); border-radius: 5px;
  background: rgba(222, 238, 229, .58); color: var(--green-700);
  font-size: 10px; letter-spacing: 1.7px;
}
.section-title { line-height: 1.28; letter-spacing: -.35px; }
.section-sub { color: var(--ink-500); }

/* 图文与合作横幅 */
#story-section .grid-2 { gap: 58px; align-items: center; }
#story-section .img-wrap { border-radius: 18px 4px 18px 4px; box-shadow: 18px 18px 0 rgba(69,145,102,.1); }
.story-item { border-top-color: rgba(43,109,76,.11); }
.story-item .icon { background: linear-gradient(145deg, #e8f3ec, #f6faf7); color: var(--green-700); border: 1px solid rgba(43,109,76,.12); }
.exp-banner { min-height: 390px; border-radius: 18px 4px 18px 4px; box-shadow: 0 22px 54px rgba(20,62,41,.13); }
.exp-banner::before { background: linear-gradient(90deg, rgba(13,48,31,.91), rgba(28,92,66,.46), rgba(28,92,66,.08)); }
.exp-banner .inner { padding: 54px; }

/* 卡片系统 */
.card, .faq-item, .trust-item, .cert-card {
  border: 1px solid rgba(34,91,61,.1);
  box-shadow: var(--shadow);
}
.card { border-radius: 14px 4px 14px 4px; }
.card:hover { transform: translateY(-5px); border-color: rgba(62,136,99,.28); box-shadow: 0 20px 46px rgba(24,73,47,.12); }
.img-wrap { border-radius: 13px 3px 0 0; }
.product-card .tag { background: rgba(27,83,56,.92); }
.product-body, .news-body { padding: 23px 24px 27px; }
.product-price, .news-more { color: var(--green-700); }
.feature-card { position: relative; min-height: 240px; padding: 31px 25px; text-align: left; overflow: hidden; }
.feature-card::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: linear-gradient(90deg, #2f7652, #59ad91, #82b9c8); }
.feature-card::after { content: ""; position: absolute; width: 92px; height: 92px; right: -38px; bottom: -38px; border: 1px solid rgba(61,148,115,.1); border-radius: 50%; box-shadow: 0 0 0 18px rgba(61,148,115,.035); }
.feature-card .icon { width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; border-radius: 14px 4px 14px 4px; background: var(--green-50); font-size: 27px; }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { line-height: 1.8; }
.news-meta { color: #668075; }

/* 内页头部加入克制的数据网格 */
.page-hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #eaf4ed 0%, #f5f8f6 58%, #eaf4f2 100%); }
.page-hero::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(44,118,84,.18) 1px, transparent 1.2px); background-size: 24px 24px; opacity: .24; mask-image: linear-gradient(90deg, transparent, #000); pointer-events: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--green-900); }
.page-hero p { color: var(--ink-500); }

/* FAQ、资质和页脚 */
.faq-item { border-radius: 12px 3px 12px 3px; box-shadow: 0 7px 22px rgba(31,77,52,.055); }
.faq-item[open] { border-color: rgba(54,137,99,.5); }
.cert-card { border-radius: 12px 3px 12px 3px; box-shadow: 0 8px 28px rgba(31,77,52,.06); }
.trust-item { border-radius: 12px 3px 12px 3px; }
.site-footer { background: linear-gradient(112deg, #173d2b, #23543d 62%, #275f58); }
.footer-bottom { border-top-color: rgba(255,255,255,.12); }

@media (max-width: 760px) {
  .header-inner { height: 64px; }
  .brand { font-size: 18px; }
  .hero { min-height: 560px; }
  .hero::after { opacity: .1; }
  .hero-content { width: calc(100% - 32px); }
  .hero-content::before { inset: 34px -18px 24px -18px; background: linear-gradient(180deg, transparent, rgba(7,34,21,.72) 28%, rgba(7,34,21,.8)); filter: blur(3px); }
  .hero-kicker { margin-bottom: 14px; font-size: 8px; letter-spacing: 2px; }
  .hero h1 { font-size: 30px; letter-spacing: -.4px; }
  .section { padding: 58px 0; }
  .stats-grid > div { border-right: 0 !important; }
  .stats-grid > div:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.14) !important; }
  #story-section .grid-2 { gap: 34px; }
  #story-section .img-wrap { box-shadow: 10px 10px 0 rgba(69,145,102,.1); }
  .exp-banner .inner { padding: 30px 24px; }
  .feature-card { min-height: 0; }
}


/* ---------- 页脚底部：版权 + 公安备案 ---------- */
.footer-bottom-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.footer-copyright { color: rgba(255,255,255,.62); }
.footer-gongan {
  display: inline-flex; align-items: center; gap: 5px;
  color: rgba(255,255,255,.62); text-decoration: none;
  transition: color .2s ease;
}
.footer-gongan:hover { color: #fff; }
.footer-gongan img { display: block; width: 16px; height: 18px; flex: none; object-fit: contain; }
@media (max-width: 760px) {
  .footer-bottom-inner { justify-content: center; text-align: center; }
}