/* ===================================================
   园著 · 企业官网  —  北京园著装饰工程有限公司
   米家极简风 · 主色 #0EB4B4 · 细线留白
   =================================================== */
:root {
  --primary: #0EB4B4;
  --primary-deep: #0A9C9C;
  --primary-soft: #E6F7F7;
  --ink: #17323B;
  --ink-soft: #33525C;
  --muted: #7A929A;
  --bg: #FFFFFF;
  --bg-soft: #F4FAFA;
  --line: #E2EEEE;
  --radius: 14px;
  --shadow-hover: 0 14px 34px rgba(14, 180, 180, 0.14);
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; height: 68px; gap: 36px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 17px; letter-spacing: 0.5px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: 2px; }
.brand-sub { font-size: 10.5px; color: var(--muted); letter-spacing: 1.5px; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  font-size: 14.5px; color: var(--ink-soft);
  padding: 6px 2px; border-bottom: 2px solid transparent;
  transition: all 0.22s ease;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--primary); color: #fff;
  padding: 9px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 600;
  transition: all 0.22s ease;
  box-shadow: 0 4px 14px rgba(14, 180, 180, 0.28);
}
.nav-cta:hover { background: var(--primary-deep); transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle svg { display: block; }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 600;
  color: var(--primary); letter-spacing: 3px;
  background: var(--primary-soft);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section-title { font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; letter-spacing: 1px; }
.section-desc { color: var(--muted); margin-top: 14px; font-size: 15.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 32px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: all 0.25s ease; border: none;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(14, 180, 180, 0.3); }
.btn-primary:hover { background: var(--primary-deep); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(14, 180, 180, 0.36); }
.btn-ghost { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-soft); transform: translateY(-2px); }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 88px; overflow: hidden; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--primary); font-size: 13.5px; font-weight: 600; letter-spacing: 2px;
  margin-bottom: 20px;
}
.hero-kicker::before { content: ""; width: 28px; height: 2px; background: var(--primary); border-radius: 2px; }
.hero-title { font-size: clamp(34px, 4.6vw, 54px); font-weight: 700; line-height: 1.25; letter-spacing: 1px; }
.hero-title em { font-style: normal; color: var(--primary); }
.hero-desc { color: var(--ink-soft); font-size: 16.5px; margin: 22px 0 34px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 44px; margin-top: 46px; padding-top: 32px; border-top: 1px solid var(--line); }
.hero-stat b { display: block; font-size: 30px; font-weight: 700; color: var(--ink); }
.hero-stat b i { font-style: normal; color: var(--primary); font-size: 20px; margin-left: 2px; }
.hero-stat span { font-size: 13px; color: var(--muted); }
.hero-art { position: relative; display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 460px; height: auto; }
.float-a { animation: floatY 5.2s ease-in-out infinite; }
.float-b { animation: floatY 6.4s ease-in-out 0.8s infinite; }
.float-c { animation: floatY 4.6s ease-in-out 0.4s infinite; }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-blob {
  position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(14, 180, 180, 0.10), rgba(14, 180, 180, 0.035) 60%, transparent 75%);
  z-index: -1; top: 50%; left: 50%; transform: translate(-50%, -50%);
}

/* ---------- 数据背书条 ---------- */
.stats-bar { background: var(--ink); color: #fff; padding: 34px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats-grid b { display: block; font-size: 26px; font-weight: 700; color: #5FE3E3; }
.stats-grid span { font-size: 13px; color: rgba(255, 255, 255, 0.72); }

/* ---------- 系列卡片 ---------- */
.series-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.series-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: all 0.25s ease; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.series-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(14, 180, 180, 0.4); }
.series-icon {
  width: 52px; height: 52px; border-radius: 13px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.series-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.series-card p { font-size: 13.5px; color: var(--muted); flex: 1; }
.series-card .card-arrow {
  margin-top: 16px; font-size: 13px; color: var(--primary); font-weight: 600;
  display: inline-flex; align-items: center; gap: 5px;
}

/* ---------- 案例卡片 ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all 0.25s ease; display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.case-visual { height: 200px; position: relative; display: flex; align-items: center; justify-content: center; }
.case-tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(6px);
  color: var(--primary); font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
}
.case-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 14px; }
.case-meta span {
  font-size: 12px; color: var(--ink-soft);
  background: var(--bg-soft); border: 1px solid var(--line);
  padding: 3px 10px; border-radius: 6px;
}
.case-body p { font-size: 13.5px; color: var(--muted); flex: 1; }

/* ---------- 特色双栏 ---------- */
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.feature-panel {
  border-radius: var(--radius); padding: 36px 34px;
  border: 1px solid var(--line); background: #fff;
  transition: all 0.25s ease;
}
.feature-panel:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-panel .fp-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--primary-soft); display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-panel h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-panel p { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.feature-panel ul { list-style: none; display: grid; gap: 10px; }
.feature-panel li { display: flex; gap: 10px; font-size: 14px; color: var(--ink-soft); align-items: baseline; }
.feature-panel li::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); flex-shrink: 0; transform: translateY(-1px);
}

/* ---------- 服务流程 ---------- */
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.flow-step { text-align: center; position: relative; padding-top: 8px; }
.flow-num {
  width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%;
  background: #fff; border: 2px solid var(--primary);
  color: var(--primary); font-weight: 700; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s ease;
}
.flow-step:hover .flow-num { background: var(--primary); color: #fff; transform: translateY(-3px); }
.flow-step h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 5px; }
.flow-step p { font-size: 12.5px; color: var(--muted); }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  border-radius: 20px; padding: 56px 48px; text-align: center;
  background: linear-gradient(135deg, #0EB4B4 0%, #0A8F8F 100%);
  color: #fff; position: relative; overflow: hidden;
}
.cta-banner h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 700; letter-spacing: 1px; }
.cta-banner p { margin: 14px 0 30px; color: rgba(255, 255, 255, 0.88); font-size: 15.5px; }
.cta-banner .btn-white { background: #fff; color: var(--primary-deep); }
.cta-banner .btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, 0.78); padding: 60px 0 28px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 44px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-mark { background: rgba(255, 255, 255, 0.14); }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255, 255, 255, 0.5); }
.footer-col h4 { color: #fff; font-size: 14.5px; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a:hover { color: #5FE3E3; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: rgba(255, 255, 255, 0.55);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.55); }
.footer-bottom a:hover { color: #5FE3E3; }

/* ---------- 产品页 ---------- */
.series-block { margin-bottom: 64px; }
.series-block-head { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.series-block-head .s-icon {
  width: 44px; height: 44px; border-radius: 11px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center;
}
.series-block-head h2 { font-size: 22px; font-weight: 700; }
.series-block-head span { color: var(--muted); font-size: 13.5px; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: all 0.25s ease; position: relative;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(14, 180, 180, 0.4); }
.product-visual {
  height: 130px; border-radius: 10px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.product-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 6px; }
.product-card .p-desc { font-size: 13px; color: var(--muted); flex: 1; }
.product-flags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.product-flags span {
  font-size: 11.5px; color: var(--primary); background: var(--primary-soft);
  padding: 3px 9px; border-radius: 6px; font-weight: 500;
}
.new-badge {
  position: absolute; top: 14px; right: 14px;
  background: var(--primary); color: #fff; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
}
.spec-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 18px; }
.spec-table th, .spec-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.spec-table th { color: var(--muted); font-weight: 500; width: 110px; white-space: nowrap; }
.spec-table td { color: var(--ink-soft); }

/* ---------- 工艺页 ---------- */
.craft-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.craft-step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; transition: all 0.25s ease;
}
.craft-step:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.craft-step .cs-icon {
  width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 14px;
  background: var(--primary-soft); display: flex; align-items: center; justify-content: center;
}
.craft-step h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.craft-step p { font-size: 12.5px; color: var(--muted); }
.vs-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; font-size: 14px; }
.vs-table th { background: var(--ink); color: #fff; padding: 14px 18px; text-align: left; font-weight: 600; }
.vs-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.vs-table tr:last-child td { border-bottom: none; }
.vs-table .good { color: var(--primary); font-weight: 600; }
.vs-table .bad { color: #C48A8A; }

/* ---------- 关于页 ---------- */
.about-hero { text-align: center; max-width: 720px; margin: 0 auto; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-visual {
  border-radius: var(--radius); height: 300px;
  display: flex; align-items: center; justify-content: center;
}
.about-list { list-style: none; display: grid; gap: 18px; }
.about-list li { display: flex; gap: 14px; }
.about-list .al-icon {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: var(--primary-soft); display: flex; align-items: center; justify-content: center;
}
.about-list h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 3px; }
.about-list p { font-size: 13.5px; color: var(--muted); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; display: flex; gap: 16px; align-items: flex-start;
  transition: all 0.25s ease; margin-bottom: 16px;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.contact-card .cc-icon {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  background: var(--primary-soft); display: flex; align-items: center; justify-content: center;
}
.contact-card h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.contact-card p { font-size: 13.5px; color: var(--muted); }
.contact-card .cc-val { font-size: 16px; font-weight: 600; color: var(--ink); }
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 32px;
}
.form-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; color: var(--ink-soft); font-weight: 600; margin-bottom: 7px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 14px; font-family: var(--font); color: var(--ink); background: var(--bg-soft);
  transition: all 0.2s ease; outline: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(14, 180, 180, 0.12);
}
.form-field textarea { min-height: 96px; resize: vertical; }
.form-note { font-size: 12px; color: var(--muted); margin-top: 12px; }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; } .reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; } .reveal.d4 { transition-delay: 0.32s; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 24px 20px; gap: 4px;
  }
  .nav.open .nav-links a { padding: 12px 4px; border-bottom: none; font-size: 15px; }
  .nav.open .nav-cta { display: inline-flex; margin-top: 10px; justify-content: center; }
  .hero-grid, .feature-split, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .hero-art svg { max-width: 320px; }
  .series-grid, .flow-grid, .craft-steps { grid-template-columns: repeat(2, 1fr); }
  .cases-grid, .products-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .series-grid, .flow-grid, .craft-steps, .cases-grid, .products-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .cta-banner { padding: 44px 26px; }
  .section { padding: 60px 0; }
}