/* =========================================================
   数字智慧水产官网 — style.css
   全面、响应式，兼容传统水产场景的数智化官网样式
   ========================================================= */

:root {
  /* 主色：水产海洋 / 数据科技 */
  --c-primary: #0e7c7b;
  --c-primary-dark: #0a5d5c;
  --c-primary-light: #14a098;
  --c-primary-soft: #e4f6f2;
  --c-accent: #0e8a7d;
  --c-accent-2: #0e9d8c;
  --c-ink: #0f2a2e;
  --c-text: #1f3a3d;
  --c-text-soft: #5a7174;
  --c-muted: #8aa3a6;
  --c-line: #dceae8;
  --c-line-soft: #e7f2f0;
  --c-bg: #f4f9f8;
  --c-bg-soft: #f7fcfb;
  --c-card: #ffffff;

  /* 强调色 */
  --c-warn: #c2405a;
  --c-warn-soft: #fceaee;
  --c-energy: #e8a317;
  --c-energy-soft: #fbf2df;
  --c-info: #0f6fd0;
  --c-info-soft: #e8f1fc;
  --c-danger: #d64545;
  --c-danger-soft: #fdeaec;

  /* 尺寸 */
  --container: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-sm: 0 4px 14px rgba(15, 60, 64, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 60, 64, 0.10);
  --shadow-lg: 0 18px 50px rgba(15, 60, 64, 0.14);
  --header-h: 68px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
          "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.78;
  background: var(--c-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.22s ease;
  white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 124, 123, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14, 124, 123, 0.36); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--c-primary-dark);
  border-color: var(--c-line);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: #fff; border-color: var(--c-primary-light); transform: translateY(-2px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line-soft);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--c-ink);
  font-weight: 700;
  font-size: 18px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  box-shadow: 0 6px 14px rgba(14, 124, 123, 0.3);
}
.brand-text { letter-spacing: 0.5px; }
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
}
.nav a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--c-text-soft);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.nav a:hover { color: var(--c-primary); background: var(--c-primary-soft); }
.nav-cta { margin-left: 8px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  background: none;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: all 0.2s ease;
}
.nav.open {
  display: flex;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  background: #fff;
  border-bottom: 1px solid var(--c-line-soft);
  box-shadow: var(--shadow-md);
  padding: 12px 24px 18px;
  gap: 4px;
}
.nav.open a { padding: 10px 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 80px;
  background:
    radial-gradient(1000px 500px at 8% -10%, rgba(20, 160, 152, 0.18) 0%, transparent 60%),
    radial-gradient(900px 500px at 92% 5%, rgba(14, 157, 140, 0.16) 0%, transparent 55%),
    linear-gradient(180deg, #eef8f6 0%, var(--c-bg) 100%);
  border-bottom: 1px solid var(--c-line-soft);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary-dark);
  background: var(--c-primary-soft);
  border: 1px solid #cdeee9;
}
.hero h1 {
  margin: 20px 0 16px;
  font-size: 46px;
  line-height: 1.18;
  font-weight: 800;
  color: var(--c-ink);
  letter-spacing: -0.5px;
}
.hero-desc {
  margin: 0 0 28px;
  font-size: 17px;
  color: var(--c-text-soft);
  max-width: 620px;
}
.hero-desc strong { color: var(--c-primary-dark); font-weight: 600; }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}
.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 560px;
}
.hero-stats li {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stats strong { font-size: 15px; color: var(--c-primary-dark); }
.hero-stats span { font-size: 13px; color: var(--c-text-soft); }

/* Hero 视觉 */
.hero-visual {
  position: relative;
  height: 380px;
}
.water-card {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(20, 160, 152, 0.32) 0%, rgba(14, 141, 125, 0.18) 100%);
  border: 1px solid rgba(20, 160, 152, 0.25);
  backdrop-filter: blur(4px);
}
.water-card.water-1 { width: 200px; height: 200px; top: 30px; left: 40px; animation: floaty 6s ease-in-out infinite; }
.water-card.water-2 { width: 130px; height: 130px; top: 120px; right: 30px; background: linear-gradient(135deg, rgba(14, 157, 140, 0.30) 0%, rgba(20, 160, 152, 0.20) 100%); animation: floaty 5s ease-in-out infinite reverse; }
.water-card.water-3 { width: 90px; height: 90px; bottom: 40px; left: 200px; background: linear-gradient(135deg, rgba(20, 160, 152, 0.28) 0%, rgba(14, 141, 125, 0.16) 100%); animation: floaty 7s ease-in-out infinite; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 1px dashed rgba(14, 124, 123, 0.35);
  background: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring-inner { text-align: center; color: var(--c-primary-dark); }
.ring-inner span { display: block; font-weight: 700; font-size: 15px; }
.ring-inner small { font-size: 12px; color: var(--c-text-soft); }
.float-badge {
  position: absolute;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: rgba(15, 42, 46, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.float-badge-1 { top: 150px; right: 80px; animation: floaty 4.5s ease-in-out infinite; }
.float-badge-2 { bottom: 150px; right: 60px; animation: floaty 5.5s ease-in-out infinite reverse; }
.float-badge-3 { bottom: 60px; left: 90px; animation: floaty 4s ease-in-out infinite; }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section-alt { background: var(--c-bg-soft); border-top: 1px solid var(--c-line-soft); border-bottom: 1px solid var(--c-line-soft); }
.section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary-dark);
  background: var(--c-primary-soft);
  margin-bottom: 14px;
}
.section-head h2 {
  margin: 0 0 14px;
  font-size: 32px;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: -0.3px;
}
.section-head p { margin: 0; font-size: 16px; color: var(--c-text-soft); }
.section-note {
  margin: 32px auto 0;
  max-width: 820px;
  font-size: 15px;
  color: var(--c-text-soft);
  text-align: center;
  padding: 18px;
  background: var(--c-card);
  border: 1px solid var(--c-line-soft);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius-sm);
}
.section-note strong { color: var(--c-primary-dark); }

/* ---------- 卡片基础 ---------- */
.card {
  background: var(--c-card);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.24s ease;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--c-line); transform: translateY(-3px); }
.card-title { margin: 0 0 16px; font-size: 19px; font-weight: 700; color: var(--c-ink); }

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ---------- 痛点卡片 ---------- */
.grid-3 .pain-card { padding: 24px; }
.pain-card { display: flex; flex-direction: column; gap: 10px; }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  color: var(--c-primary-dark);
  background: var(--c-primary-soft);
  border: 1px solid #cdeee9;
}
.card-icon.icon-danger { color: var(--c-danger); background: var(--c-danger-soft); border-color: #f3d3da; }
.card-icon.icon-warn { color: var(--c-warn); background: var(--c-warn-soft); border-color: #f3d9e0; }
.card-icon.icon-energy { color: var(--c-energy); background: var(--c-energy-soft); border-color: #f3e4c2; }
.card-icon.icon-sensor { color: var(--c-info); background: var(--c-info-soft); border-color: #cfe2fa; }
.card-icon.icon-low { color: var(--c-accent-2); background: #e1f4f2; border-color: #c9eceb; }
.card-icon.icon-net { color: #7a5cd6; background: #eef0fc; border-color: #d9d7f3; }
.pain-card h3 { margin: 0; font-size: 17px; font-weight: 700; color: var(--c-ink); }
.pain-card p { margin: 0; font-size: 14.5px; color: var(--c-text-soft); line-height: 1.7; }

/* ---------- 标准体系 ---------- */
.standard-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.standard-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line-soft);
}
.standard-name { font-size: 15px; font-weight: 700; color: var(--c-primary-dark); }
.standard-desc { font-size: 14px; color: var(--c-text-soft); line-height: 1.65; }
.standard-intro { margin: 0 0 20px; font-size: 15px; color: var(--c-text); line-height: 1.75; }
.standard-triple { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.standard-item {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--c-primary-soft) 0%, #f0f9f8 100%);
  border: 1px solid #cdeee9;
  text-align: center;
}
.standard-item strong { display: block; font-size: 14px; color: var(--c-primary-dark); margin-bottom: 6px; }
.standard-item span { font-size: 12.5px; color: var(--c-text-soft); }
.standard-note { font-size: 13px; color: var(--c-muted); margin-top: 14px; }

/* ---------- 需求清单 ---------- */
.req-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.req-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line-soft);
  font-size: 14.5px;
  color: var(--c-text);
}
.req-item .req-tag {
  flex-shrink: 0;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.req-must { border-left: 3px solid var(--c-primary); }
.req-must .req-tag { color: var(--c-primary-dark); background: var(--c-primary-soft); }
.req-should { border-left: 3px solid var(--c-info); }
.req-should .req-tag { color: var(--c-info); background: var(--c-info-soft); }
.req-can { border-left: 3px solid var(--c-energy); }
.req-can .req-tag { color: var(--c-energy); background: var(--c-energy-soft); }
.multi-tenant {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--c-info-soft) 0%, #eef4fb 100%);
  border: 1px solid #d2e2f6;
  font-size: 14px;
  color: var(--c-text);
}
.multi-tenant strong { color: var(--c-info); }

/* 小表格 */
.table-sm { width: 100%; margin: 0 0 18px; font-size: 14px; }
.table-sm th, .table-sm td { padding: 10px 12px; }
.table-sm th { background: var(--c-info-soft); color: #124a7d; font-weight: 600; }
.table-sm tbody tr:nth-child(even) td { background: #f7fcfb; }
.table-sm tbody tr:hover td { background: var(--c-primary-soft); }

/* ---------- 数智设计框架 ---------- */
.design-framework {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}
.design-layer {
  background: var(--c-card);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.design-layer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.design-layer-1::before { background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light)); }
.design-layer-2::before { background: linear-gradient(90deg, var(--c-info), #4aa6e0); }
.design-layer-3::before { background: linear-gradient(90deg, var(--c-energy), #c98a14); }
.layer-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.layer-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--c-primary);
}
.design-layer strong { font-size: 18px; color: var(--c-ink); }
.design-layer p { margin: 0; font-size: 14.5px; color: var(--c-text-soft); line-height: 1.7; }
.design-flow {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.flow-step {
  flex: 1;
  min-width: 150px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: var(--c-card);
  border: 1px solid var(--c-line-soft);
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.flow-step strong { display: block; font-size: 15px; color: var(--c-primary-dark); margin-bottom: 4px; }
.flow-step span { font-size: 13px; color: var(--c-text-soft); }
.flow-arrow { color: var(--c-primary-light); font-size: 22px; font-weight: 700; padding-bottom: 20px; }

/* ---------- 全环节能力 ---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.cap-card { padding: 30px; display: flex; flex-direction: column; gap: 14px; }
.cap-head { display: flex; align-items: center; gap: 14px; }
.cap-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  color: #fff;
  flex-shrink: 0;
}
.cap-icon.icon-device { background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%); }
.cap-icon.icon-data { background: linear-gradient(135deg, var(--c-info) 0%, #4aa6e0 100%); }
.cap-icon.icon-feed { background: linear-gradient(135deg, var(--c-energy) 0%, #c98a14 100%); }
.cap-icon.icon-energy { background: linear-gradient(135deg, #2e8b57 0%, #5aa87f 100%); }
.cap-head h3 { margin: 0; font-size: 20px; font-weight: 700; color: var(--c-ink); }
.cap-desc { margin: 0; font-size: 14.5px; color: var(--c-text-soft); line-height: 1.7; }
.cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cap-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.65;
}
.cap-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-primary-light);
}
.cap-tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.cap-tag {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-primary-dark);
  background: var(--c-primary-soft);
  border: 1px solid #cdeee9;
}

/* ---------- 运营流程 ---------- */
.process-flow {
  display: flex;
  align-items: stretch;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.process-step {
  flex: 1;
  min-width: 180px;
  background: var(--c-card);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.process-no {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
}
.process-body h3 { margin: 0 0 6px; font-size: 16px; font-weight: 700; color: var(--c-ink); }
.process-body p { margin: 0; font-size: 13.5px; color: var(--c-text-soft); line-height: 1.65; }
.process-arrow {
  display: flex;
  align-items: center;
  color: var(--c-primary-light);
  font-size: 24px;
  font-weight: 700;
  padding-bottom: 20px;
}

/* ---------- 应用场景 ---------- */
.scene-card { padding: 26px; }
.scene-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  color: var(--c-primary-dark);
  background: var(--c-primary-soft);
  border: 1px solid #cdeee9;
  margin-bottom: 14px;
}
.scene-card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 700; color: var(--c-ink); }
.scene-card p { margin: 0; font-size: 14px; color: var(--c-text-soft); line-height: 1.7; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--c-ink);
  color: #c7d8d8;
  padding: 56px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .brand { color: #fff; }
.footer-brand .brand-text { color: #fff; }
.footer-desc { margin: 16px 0 0; font-size: 14px; color: #9bb3b3; line-height: 1.75; max-width: 420px; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer-col h4 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-col li { font-size: 14px; color: #9bb3b3; }
.footer-col a { color: #c7d8d8; text-decoration: none; }
.footer-col a:hover { color: var(--c-primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: 13px;
  color: #8aa3a6;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 320px; max-width: 420px; margin: 0 auto; }
  .design-framework, .cap-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .section-head h2 { font-size: 28px; }
}
@media (max-width: 760px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .nav.open {
    display: flex;
    position: static;
    top: 0;
    width: 100%;
    flex-direction: column;
    box-shadow: none;
    border: none;
    padding: 0;
    gap: 0;
  }
  .nav.open a { padding: 12px 16px; }
  .nav.open .nav-cta { margin: 8px 0 0; }
  .hero { padding: 50px 0 56px; }
  .hero h1 { font-size: 34px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .grid-2, .grid-3, .cap-grid { grid-template-columns: 1fr; }
  .standard-triple { grid-template-columns: 1fr; }
  .process-flow { flex-direction: column; align-items: stretch; }
  .process-arrow { display: none; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .hero-stats { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .card, .cap-card, .process-step { padding: 20px; }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header, .nav-toggle, .hero-visual, .float-badge { display: none; }
  body { background: #fff; }
  .section { padding: 24px 0; }
  .card, .cap-card, .process-step, .flow-step { box-shadow: none; break-inside: avoid; }
}