/* ============================================================
   沃野农业机械有限公司官网 — 全局样式
   ============================================================ */

/* ---------- 字体（本地化） ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-cn-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-cn-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-cn-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-cn-900.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-latin-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- 设计变量 ---------- */
:root {
  --brand: #2E6B34;
  --brand-dark: #1F4A27;
  --brand-deep: #14331C;
  --brand-soft: #EAF2E6;
  --gold: #E9A13B;
  --gold-light: #F6CE82;
  --ink: #232B22;
  --muted: #5F6B5E;
  --bg: #F7F8F3;
  --white: #FFFFFF;
  --line: #E2E7DC;
  --shadow-sm: 0 2px 10px rgba(24, 46, 26, 0.08);
  --shadow-md: 0 10px 30px rgba(24, 46, 26, 0.12);
  --radius: 14px;
  --container: 1200px;
  --header-h: 76px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section--tint { background: var(--bg); }

/* ---------- 区块标题 ---------- */
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--brand); font-size: 13px; font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; margin-bottom: 12px;
}
.eyebrow::before, .eyebrow::after { content: ""; width: 26px; height: 2px; background: var(--gold); }
.section-head h2 { font-size: 34px; font-weight: 900; line-height: 1.3; letter-spacing: 0.02em; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 15.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 700; letter-spacing: 0.04em;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
  border: 2px solid transparent;
}
.btn--gold { background: var(--gold); color: #2A1C05; box-shadow: 0 6px 18px rgba(233, 161, 59, 0.35); }
.btn--gold:hover { background: #f0b04e; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(233, 161, 59, 0.42); }
.btn--ghost { border-color: rgba(255,255,255,0.85); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn--green { background: var(--brand); color: #fff; }
.btn--green:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--lg { padding: 16px 38px; font-size: 16px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 21px; font-weight: 900; color: var(--brand-dark); letter-spacing: 0.04em; }
.brand-text small { font-size: 10.5px; color: var(--muted); letter-spacing: 0.18em; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 9px 16px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--ink);
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: var(--brand); background: var(--brand-soft); }
.nav-link.active { color: var(--brand); background: var(--brand-soft); font-weight: 700; }

.nav-cta {
  margin-left: 10px; padding: 10px 22px; border-radius: 999px;
  background: var(--brand); color: #fff; font-size: 14px; font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.nav-cta:hover { background: var(--brand-dark); transform: translateY(-1px); }

.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--brand-dark); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: 82vh;
  display: flex; align-items: center;
  background: var(--brand-deep);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(20, 51, 28, 0.86) 0%, rgba(20, 51, 28, 0.55) 48%, rgba(20, 51, 28, 0.18) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 110px 0; max-width: 780px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--gold-light); font-size: 13.5px; font-weight: 700; letter-spacing: 0.24em;
  margin-bottom: 22px;
}
.hero-eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--gold); }
.hero h1 { font-size: 52px; font-weight: 900; color: #fff; line-height: 1.25; letter-spacing: 0.02em; }
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero-sub { margin-top: 22px; color: rgba(255,255,255,0.88); font-size: 17px; max-width: 560px; }
.hero-actions { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { margin-top: 46px; display: flex; gap: 42px; color: rgba(255,255,255,0.9); }
.hero-meta strong { display: block; font-size: 26px; font-weight: 900; color: var(--gold-light); }
.hero-meta span { font-size: 13px; color: rgba(255,255,255,0.75); }

/* ---------- 内页横幅 ---------- */
.page-hero { position: relative; padding: 84px 0 64px; background: var(--brand-deep); overflow: hidden; }
.page-hero .hero-bg { opacity: 0.42; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,51,28,0.30), rgba(20,51,28,0.78)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 38px; font-weight: 900; }
.page-hero p { color: rgba(255,255,255,0.85); margin-top: 10px; font-size: 15.5px; max-width: 640px; }
.crumbs { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; color: rgba(255,255,255,0.7); font-size: 13.5px; }
.crumbs a:hover { color: var(--gold-light); }
.crumbs .sep { opacity: 0.6; }

/* ---------- 数据条 ---------- */
.stats-band { background: var(--brand-dark); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding: 54px 0; }
.stat { text-align: center; }
.stat-num { font-size: 46px; font-weight: 900; color: var(--gold-light); line-height: 1.1; }
.stat-num sup { font-size: 22px; }
.stat-label { margin-top: 8px; font-size: 14.5px; color: rgba(255,255,255,0.82); }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-thumb { position: relative; aspect-ratio: 1/1; overflow: hidden; background: #F2F3EE; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-thumb img { transform: scale(1.05); }
.product-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--brand); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 12px; border-radius: 999px; letter-spacing: 0.06em;
}
.product-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { font-size: 18px; font-weight: 700; }
.product-model { color: var(--muted); font-size: 13px; margin-top: 3px; letter-spacing: 0.05em; }
.product-desc { color: var(--muted); font-size: 13.5px; margin-top: 10px; flex: 1; }
.product-link {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 6px;
  color: var(--brand); font-size: 14px; font-weight: 700;
}
.product-link svg { transition: transform .2s ease; }
.product-card:hover .product-link svg { transform: translateX(4px); }

/* ---------- 优势卡片 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; transition: transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 60px; height: 60px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 20px;
}
.feature-icon svg { width: 30px; height: 30px; }
.feature-card h3 { font-size: 18px; font-weight: 700; }
.feature-card p { margin-top: 10px; color: var(--muted); font-size: 14px; }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; }
.split-media .badge-card {
  position: absolute; right: -18px; bottom: -22px;
  background: var(--brand); color: #fff; border-radius: var(--radius);
  padding: 18px 26px; box-shadow: var(--shadow-md); text-align: center;
}
.split-media .badge-card strong { display: block; font-size: 30px; font-weight: 900; color: var(--gold-light); }
.split-media .badge-card span { font-size: 12.5px; color: rgba(255,255,255,0.85); }
.split h2 { font-size: 30px; font-weight: 900; line-height: 1.35; }
.split h2 em { font-style: normal; color: var(--brand); }
.split > .split-text > p { margin-top: 16px; color: var(--muted); font-size: 15px; }
.check-list { margin-top: 22px; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.check-list svg { flex: none; margin-top: 3px; color: var(--brand); width: 18px; height: 18px; }

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-thumb { aspect-ratio: 16/10; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.news-cat { background: var(--brand-soft); color: var(--brand); font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.news-body h3 { font-size: 16.5px; font-weight: 700; line-height: 1.5; }
.news-body p { margin-top: 10px; color: var(--muted); font-size: 13.5px; flex: 1; }
.news-link { margin-top: 14px; color: var(--brand); font-size: 13.5px; font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }

/* ---------- CTA 条 ---------- */
.cta-band { background: linear-gradient(120deg, var(--brand-deep), var(--brand-dark)); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 64px 0; flex-wrap: wrap; }
.cta-inner h2 { font-size: 28px; font-weight: 900; }
.cta-inner p { margin-top: 8px; color: rgba(255,255,255,0.82); font-size: 15px; }
.cta-phone { display: flex; align-items: center; gap: 14px; }
.cta-phone .phone-icon { width: 54px; height: 54px; border-radius: 50%; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; }
.cta-phone .phone-icon svg { width: 24px; height: 24px; color: var(--gold-light); }
.cta-phone small { display: block; font-size: 12px; color: rgba(255,255,255,0.7); }
.cta-phone strong { font-size: 24px; font-weight: 900; color: var(--gold-light); letter-spacing: 0.04em; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--brand-deep); color: rgba(255,255,255,0.78); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding: 64px 0 48px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand img { width: 42px; height: 42px; }
.footer-brand strong { font-size: 20px; font-weight: 900; color: #fff; }
.footer-col h4 { color: #fff; font-size: 15.5px; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--gold); }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: 14px; transition: color .2s ease; }
.footer-col a:hover { color: var(--gold-light); }
.footer-about { font-size: 13.5px; line-height: 1.8; max-width: 300px; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.7; }
.footer-contact svg { flex: none; margin-top: 4px; color: var(--gold); width: 15px; height: 15px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; font-size: 13px; color: rgba(255,255,255,0.55); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- 产品筛选 ---------- */
.filter-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 42px; }
.filter-btn {
  padding: 9px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: var(--muted); font-size: 14px; font-weight: 500;
  transition: all .2s ease;
}
.filter-btn:hover { border-color: var(--brand); color: var(--brand); }
.filter-btn.active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }

/* ---------- 产品详情 ---------- */
.detail-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.detail-gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.detail-gallery img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.detail-info h1 { font-size: 32px; font-weight: 900; }
.detail-info .detail-tag { display: inline-block; margin-top: 12px; background: var(--brand-soft); color: var(--brand); font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.detail-info .model-line { color: var(--muted); font-size: 14px; margin-top: 10px; letter-spacing: 0.06em; }
.detail-desc { margin-top: 18px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.spec-block { margin-top: 34px; }
.spec-block h3, .feat-block h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--gold); }
.spec-table { width: 100%; border-collapse: collapse; table-layout: fixed; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.spec-table col { }
.spec-table th, .spec-table td { padding: 11px 16px; font-size: 14px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table th { width: 34%; background: var(--bg); color: var(--brand-dark); font-weight: 700; white-space: nowrap; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.feat-block { margin-top: 34px; }
.feat-list { display: grid; gap: 10px; }
.feat-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.feat-list svg { flex: none; margin-top: 4px; color: var(--brand); width: 17px; height: 17px; }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; --tl-time: 150px; --tl-axis: 26px; }
.timeline::before {
  content: ""; position: absolute; top: 6px; bottom: 6px;
  left: calc(var(--tl-time) + var(--tl-axis) / 2);
  width: 2px; background: var(--line); transform: translateX(-50%);
}
.tl-item { display: grid; grid-template-columns: var(--tl-time) var(--tl-axis) 1fr; }
.tl-time { text-align: right; padding: 6px 18px 40px 0; font-size: 16px; font-weight: 700; color: var(--brand); white-space: nowrap; }
.tl-axis { position: relative; }
.tl-dot {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--gold); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--gold);
  z-index: 1;
}
.tl-content { padding: 0 0 42px 26px; }
.tl-content h3 { font-size: 17px; font-weight: 700; }
.tl-content p { margin-top: 6px; color: var(--muted); font-size: 14px; max-width: 620px; }

/* ---------- 荣誉 / 价值 卡片 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.honor-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; transition: transform .25s ease, box-shadow .25s ease;
}
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.honor-icon { width: 58px; height: 58px; margin: 0 auto 18px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.honor-icon svg { width: 28px; height: 28px; }
.honor-card h3 { font-size: 16px; font-weight: 700; }
.honor-card p { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 30px; text-align: center; }
.value-card h3 { font-size: 20px; font-weight: 900; color: var(--brand); }
.value-card p { margin-top: 12px; color: var(--muted); font-size: 14px; }

/* ---------- 新闻列表页 ---------- */
.news-list { display: grid; gap: 26px; }
.news-row {
  display: grid; grid-template-columns: 300px 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.news-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-row .news-thumb { aspect-ratio: 16/10; }
.news-row .news-body { padding: 26px 28px; }
.news-row .news-body h3 { font-size: 18px; }

/* ---------- 文章页 ---------- */
.article { max-width: 820px; margin: 0 auto; }
.article-head { text-align: center; padding-bottom: 34px; border-bottom: 1px solid var(--line); margin-bottom: 36px; }
.article-head h1 { font-size: 32px; font-weight: 900; line-height: 1.4; }
.article-meta { margin-top: 18px; display: flex; justify-content: center; gap: 20px; color: var(--muted); font-size: 13.5px; flex-wrap: wrap; }
.article-cover { border-radius: var(--radius); margin-bottom: 32px; width: 100%; }
.article-body p { margin-bottom: 20px; color: #39423A; font-size: 15.5px; line-height: 2; }
.article-body h3 { font-size: 20px; font-weight: 700; margin: 30px 0 14px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-bottom: 56px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; text-align: center; transition: transform .25s ease, box-shadow .25s ease;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-icon { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.contact-icon svg { width: 28px; height: 28px; }
.contact-card h3 { font-size: 16.5px; font-weight: 700; }
.contact-card p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.contact-card a { color: var(--brand); font-weight: 700; }

.service-strip { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; }
.service-strip h3 { font-size: 22px; font-weight: 900; }
.service-strip p { margin-top: 10px; color: var(--muted); font-size: 14.5px; }
.service-flow { margin-top: 26px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-step { display: flex; gap: 14px; align-items: flex-start; }
.service-step .step-no { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 900; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.service-step h4 { font-size: 15px; font-weight: 700; }
.service-step p { margin-top: 4px; font-size: 13px; }

/* ---------- 通用辅助 ---------- */
.text-center { text-align: center; }
.mt-8 { margin-top: 48px; }
.link-more { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 700; font-size: 15px; }
.link-more svg { transition: transform .2s ease; }
.link-more:hover svg { transform: translateX(5px); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .detail-layout { grid-template-columns: 1fr; gap: 40px; }
  .detail-gallery { position: static; }
  .service-flow { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 16px 20px 22px; box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 13px 14px; font-size: 16px; }
  .nav-cta { margin: 8px 14px 0; text-align: center; }
  .hero { min-height: 76vh; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 15.5px; }
  .hero-meta { gap: 26px; flex-wrap: wrap; }
  .hero-meta strong { font-size: 22px; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 26px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 44px 0; }
  .stat-num { font-size: 36px; }
  .timeline { --tl-time: 84px; --tl-axis: 22px; }
  .tl-content { padding-left: 16px; }
  .news-row { grid-template-columns: 1fr; }
  .cta-inner { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .page-hero { padding: 56px 0 44px; }
  .page-hero h1 { font-size: 28px; }
}

@media (max-width: 560px) {
  .product-grid, .feature-grid, .honor-grid, .news-grid, .contact-grid, .value-grid { grid-template-columns: 1fr; }
  .service-flow { grid-template-columns: 1fr; }
  .btn--lg { padding: 14px 30px; }
  .container { padding: 0 18px; }
  .split-media .badge-card { right: 8px; bottom: -18px; padding: 14px 20px; }
}