/* ============================================================
   云南润农节水灌溉有限公司 官网样式 v2
   浅色科技风：浅绿主色 + 青/蓝科技点缀 + 米白/纯白背景
   手写 CSS，无框架。尊重 prefers-reduced-motion。
   ============================================================ */
:root {
  --green: #16a34a;
  --green-deep: #166534;
  --green-050: #f0fdf4;
  --green-100: #dcfce7;
  --teal: #0d9488;
  --cyan: #06b6d4;
  --blue: #3b82f6;
  --bg: #fbfcfa;
  --bg-tint: #f4faf5;
  --card: #ffffff;
  --ink: #1c2b22;
  --ink-2: #4b5e53;
  --ink-3: #7a8c80;
  --line: #dcebe0;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-line: rgba(255, 255, 255, 0.85);
  --shadow-sm: 0 1px 4px rgba(22, 101, 52, 0.06);
  --shadow-md: 0 10px 32px rgba(22, 101, 52, 0.10);
  --shadow-glow: 0 0 24px rgba(34, 197, 94, 0.28);
  --radius: 14px;
  --radius-lg: 20px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-w: 1200px;
  --header-h: 68px;
  --ease: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.35; font-weight: 800; letter-spacing: 0.01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 2.05rem); }
h3 { font-size: 1.12rem; }
p { margin-bottom: 0.8rem; }
a { color: var(--green-deep); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--green); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
dl, dd { margin: 0; }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }

.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 28px; }

/* ---------- 科技感纹理与光效 ---------- */
/* 浅色细线网格（电路感），用于区块背景 */
.grid-bg {
  background-image:
    linear-gradient(rgba(22, 163, 74, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
}
/* 网格 + 节点光斑（更浓一点的电路感） */
.circuit-bg {
  background-image:
    radial-gradient(circle at 12px 12px, rgba(6, 182, 212, 0.16) 2px, transparent 2.5px),
    linear-gradient(rgba(22, 163, 74, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, 0.06) 1px, transparent 1px);
  background-size: 88px 88px, 44px 44px, 44px 44px;
}
/* 柔和渐变光晕装饰 */
.glow-deco { position: relative; overflow: hidden; }
.glow-deco::before {
  content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.14) 0%, transparent 65%);
  top: -160px; right: -120px; pointer-events: none;
}
.glow-deco::after {
  content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.10) 0%, transparent 65%);
  bottom: -140px; left: -100px; pointer-events: none;
}
/* 玻璃拟态卡片 */
.glass {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-line);
  box-shadow: 0 12px 40px rgba(22, 101, 52, 0.12);
}
/* 发光数字 */
.num-glow {
  color: var(--green);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 22px rgba(34, 197, 94, 0.45), 0 0 4px rgba(34, 197, 94, 0.2);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; border: 2px solid transparent;
  font-family: var(--font); font-size: 1rem; font-weight: 700; letter-spacing: 0.02em;
  cursor: pointer; transition: all var(--ease); white-space: nowrap; line-height: 1.2;
}
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn-lg { padding: 16px 36px; font-size: 1.08rem; }
.btn-primary {
  border: none; padding: 15px 32px;
  background: linear-gradient(135deg, #4ade80 0%, #22c55e 55%, #16a34a 100%);
  color: #fff; box-shadow: 0 4px 14px rgba(34, 197, 94, 0.28);
}
.btn-primary.btn-sm { padding: 10px 20px; }
.btn-primary.btn-lg { padding: 18px 38px; }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34, 197, 94, 0.36); filter: brightness(1.04); }
.btn-outline { background: rgba(255,255,255,0.6); color: var(--green-deep); border-color: var(--green); }
.btn-outline:hover { background: var(--green); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--green-deep); border-color: #fff; box-shadow: var(--shadow-sm); }
.btn-light:hover { background: var(--green-050); color: var(--green); transform: translateY(-2px); }
/* 呼吸效果（用于首屏主 CTA） */
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.40), 0 4px 14px rgba(34, 197, 94, 0.28); }
  50% { box-shadow: 0 0 0 12px rgba(74, 222, 128, 0), 0 4px 18px rgba(34, 197, 94, 0.34); }
}
.btn-breathe { animation: breathe 2.8s ease-in-out infinite; }

/* ---------- 头部导航（浅色玻璃） ---------- */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; height: var(--header-h);
  background: rgba(251, 252, 250, 0.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: all var(--ease);
}
.site-header.scrolled { background: rgba(251, 252, 250, 0.94); border-bottom-color: var(--line); box-shadow: 0 2px 20px rgba(22, 101, 52, 0.08); }
.header-inner { display: flex; align-items: center; gap: 16px; height: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .header-inner { padding: 0 32px; } }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.16rem; color: var(--green-deep); letter-spacing: 0.03em; flex-shrink: 0; }
.logo:hover { color: var(--green); }
.logo-img { width: 38px; height: 38px; object-fit: contain; flex-shrink: 0; }
.logo-text { white-space: nowrap; }
.header-cta { margin-left: auto; flex-shrink: 0; }
.site-header nav { margin-left: auto; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu li a {
  display: block; padding: 9px 14px; font-size: 0.96rem; font-weight: 600; color: var(--ink-2);
  border-radius: 999px; transition: all var(--ease); white-space: nowrap;
}
.nav-menu li a:hover { color: var(--green-deep); background: var(--green-100); }
.nav-menu li a.active { color: var(--green-deep); background: var(--green-100); font-weight: 800; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; cursor: pointer; z-index: 1002; }
.hamburger span { display: block; width: 24px; height: 2.5px; background: var(--ink); border-radius: 3px; transition: all var(--ease); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.menu-overlay { position: fixed; inset: 0; background: rgba(28, 43, 34, 0.35); z-index: 999; opacity: 0; pointer-events: none; transition: opacity 0.35s; }
.menu-overlay.show { opacity: 1; pointer-events: auto; }

@media (max-width: 960px) {
  .header-cta { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .site-header nav { margin-left: 0; }
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: min(300px, 85vw); height: 100vh; height: 100dvh;
    background: #fff; flex-direction: column; align-items: stretch; padding: 84px 22px 30px; gap: 4px;
    box-shadow: -6px 0 30px rgba(22, 101, 52, 0.14); transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1); overflow-y: auto;
  }
  .nav-menu.open { right: 0; }
  .nav-menu li a { padding: 13px 16px; border-radius: 10px; font-size: 1.04rem; }
}

/* ---------- Hero（航拍实景 + 融合数据玻璃卡） ---------- */
.hero {
  position: relative; margin-top: var(--header-h); min-height: min(92vh, 760px);
  display: flex; align-items: center; overflow: hidden;
  background: var(--green-050) url("../images/hero-bg.jpg") center/cover no-repeat;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(240, 253, 244, 0.94) 0%, rgba(240, 253, 244, 0.82) 34%, rgba(240, 253, 244, 0.35) 62%, rgba(240, 253, 244, 0.12) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 163, 74, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 78%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding: 72px 0 150px; }
.hero-content { max-width: 700px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.92rem; letter-spacing: 0.16em; color: var(--green-deep); font-weight: 700; margin-bottom: 16px;
  padding: 6px 16px; border-radius: 999px; background: rgba(220, 252, 231, 0.8); border: 1px solid rgba(22, 163, 74, 0.25);
}
.hero-kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px rgba(34, 197, 94, 0.8); }
.hero-content h1 { color: var(--ink); font-weight: 900; letter-spacing: 0.02em; margin-bottom: 18px; }
.hero-content h1 .accent {
  background: linear-gradient(120deg, var(--green) 20%, var(--teal) 70%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--ink-2); margin-bottom: 32px; max-width: 620px; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }

/* 粒子网络画布（JS 驱动，浅色版） */
.hero-particles { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
/* 扫掠光束 */
.hero-scan { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 1; }
.hero-scan::before {
  content: ""; position: absolute; top: -20%; bottom: -20%; left: -30%; width: 32%;
  transform: skewX(-14deg);
  background: linear-gradient(100deg, transparent 0%, rgba(34, 197, 94, 0.07) 45%, rgba(34, 197, 94, 0.16) 50%, rgba(6, 182, 212, 0.10) 55%, transparent 100%);
  animation: heroScan 7s ease-in-out infinite;
}
@keyframes heroScan {
  0%, 20% { left: -30%; }
  80%, 100% { left: 130%; }
}

/* Hero 底部悬浮玻璃数据卡（与 Hero 融合，下压到下一区块） */
.hero-stats { position: relative; z-index: 5; margin-top: -108px; padding-bottom: 8px; }
.hero-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 860px) { .hero-stats-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; } }
.stat-card {
  border-radius: var(--radius-lg); padding: 22px 20px 18px; text-align: center; position: relative; overflow: hidden;
}
.stat-card::before {
  content: ""; position: absolute; top: 0; left: 20%; right: 20%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), var(--cyan), transparent);
}
.stat-num { display: block; font-size: clamp(1.7rem, 3.2vw, 2.35rem); font-weight: 900; letter-spacing: 0.01em; white-space: nowrap; }
.stat-num-long { font-size: clamp(1.3rem, 2.4vw, 1.8rem); }
.stat-label { display: block; margin-top: 6px; font-size: 0.9rem; color: var(--ink-2); }
/* 数据卡流光边框（conic 渐变旋转，@property 不支持的浏览器退化为静态微光） */
@property --ga { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
.stat-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--ga),
    transparent 0%, transparent 62%,
    rgba(34, 197, 94, 0.65) 78%, rgba(6, 182, 212, 0.65) 88%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
  animation: gaSpin 4.5s linear infinite;
}
@keyframes gaSpin { to { --ga: 360deg; } }

/* ---------- 区块通用 ---------- */
.section { padding: 72px 0; position: relative; }
@media (min-width: 768px) { .section { padding: 96px 0; } }
.section-tint { background: var(--bg-tint); }
.section-title { text-align: center; margin-bottom: 14px; }
.section-title .en {
  display: block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.3em; color: var(--teal);
  text-transform: uppercase; margin-bottom: 8px;
}
.section-subtitle { text-align: center; color: var(--ink-2); max-width: 660px; margin: 0 auto 48px; font-size: 1.04rem; }

/* ---------- 优势卡（玻璃 + 光效） ---------- */
.adv-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 700px) { .adv-grid { grid-template-columns: repeat(3, 1fr); gap: 26px; } }
.adv-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 26px; box-shadow: var(--shadow-sm); transition: all var(--ease); position: relative; overflow: hidden;
}
.adv-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green), var(--cyan)); opacity: 0; transition: opacity var(--ease);
}
.adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md), var(--shadow-glow); border-color: rgba(22, 163, 74, 0.4); }
.adv-card:hover::after { opacity: 1; }
.adv-icon { width: 50px; height: 50px; margin-bottom: 16px; }
.adv-card h3 { margin-bottom: 10px; color: var(--green-deep); }
.adv-card p { font-size: 0.95rem; color: var(--ink-2); margin: 0; }

/* ---------- 事实芯片 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; background: var(--green-050); color: var(--green-deep);
  border: 1px solid var(--green-100); white-space: nowrap;
}
.chip-accent { background: rgba(6, 182, 212, 0.08); color: #0e7490; border-color: rgba(6, 182, 212, 0.25); }
.chip svg { width: 13px; height: 13px; }

/* ---------- 案例横排大卡 ---------- */
.case-list-h { display: flex; flex-direction: column; gap: 24px; }
.case-card-h {
  display: grid; grid-template-columns: 1fr; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: all var(--ease); color: var(--ink);
}
@media (min-width: 820px) { .case-card-h { grid-template-columns: 42% 1fr; } }
.case-card-h:hover { transform: translateY(-4px); box-shadow: var(--shadow-md), var(--shadow-glow); border-color: rgba(22, 163, 74, 0.4); color: var(--ink); }
.case-card-h .img-wrap { position: relative; overflow: hidden; min-height: 220px; background: var(--green-050); }
.case-card-h .img-wrap img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1); }
.case-card-h:hover .img-wrap img { transform: scale(1.07); }
.case-card-h .img-wrap .scene-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2; padding: 5px 14px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--green), var(--teal)); box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35);
}
.case-card-h .body { padding: 24px 26px; display: flex; flex-direction: column; gap: 10px; }
@media (min-width: 820px) { .case-card-h .body { padding: 30px 34px; } }
.case-card-h .body h2, .case-card-h .body h3 { font-size: 1.22rem; margin: 0; }
.case-card-h .body .summary { font-size: 0.94rem; color: var(--ink-2); margin: 0; flex: 1; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.case-more { font-size: 0.9rem; font-weight: 700; color: var(--green); display: inline-flex; align-items: center; gap: 6px; }
.case-more::after { content: "→"; transition: transform var(--ease); }
.case-card-h:hover .case-more::after { transform: translateX(4px); }

/* ---------- 筛选标签条 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.filter-chip {
  padding: 9px 22px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff;
  font-size: 0.94rem; font-weight: 600; color: var(--ink-2); cursor: pointer; transition: all var(--ease);
  font-family: var(--font);
}
.filter-chip:hover { border-color: var(--green); color: var(--green-deep); }
.filter-chip.active {
  background: linear-gradient(135deg, var(--green), var(--teal)); border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
}
.filter-empty { text-align: center; color: var(--ink-3); padding: 40px 0; display: none; }
.filter-empty.show { display: block; }

/* ---------- 工程足迹时间线 ---------- */
.footprint { position: relative; }
.footprint-track { display: flex; flex-direction: column; gap: 0; position: relative; }
.footprint-item { position: relative; padding: 0 0 36px 40px; }
.footprint-item::before {
  content: ""; position: absolute; left: 11px; top: 26px; bottom: -4px; width: 2px;
  background: linear-gradient(to bottom, var(--green), rgba(6, 182, 212, 0.4));
}
.footprint-item:last-child::before { display: none; }
.footprint-dot {
  position: absolute; left: 0; top: 4px; width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 2px solid var(--green);
  box-shadow: 0 0 0 4px var(--green-100), 0 0 16px rgba(34, 197, 94, 0.5);
}
.footprint-dot::after {
  content: ""; position: absolute; inset: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
}
.footprint-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; box-shadow: var(--shadow-sm); transition: all var(--ease);
}
.footprint-item:hover .footprint-card { box-shadow: var(--shadow-md); border-color: rgba(22, 163, 74, 0.4); transform: translateX(4px); }
.footprint-year { font-size: 1.15rem; font-weight: 900; letter-spacing: 0.02em; }
.footprint-card h3 { font-size: 1.05rem; margin: 2px 0 6px; color: var(--green-deep); }
.footprint-card p { font-size: 0.92rem; color: var(--ink-2); margin: 0; }
@media (min-width: 900px) {
  .footprint-track { flex-direction: row; gap: 18px; }
  .footprint-item { flex: 1; padding: 40px 0 0; }
  .footprint-item::before { left: 0; right: 0; top: 11px; bottom: auto; width: auto; height: 2px; background: linear-gradient(90deg, var(--green), rgba(6, 182, 212, 0.4)); }
  .footprint-item:first-child::before { left: 24px; }
  .footprint-item:last-child::before { right: calc(100% - 24px); display: block; left: 0; }
  .footprint-dot { top: 0; }
  .footprint-item:hover .footprint-card { transform: translateY(-4px); }
  .footprint-year { font-size: 1.25rem; }
}

/* ---------- 解决方案场景卡 ---------- */
.sol-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
@media (min-width: 640px) { .sol-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .sol-grid { grid-template-columns: repeat(3, 1fr); gap: 26px; } }
.sol-card {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--ease); color: var(--ink);
  display: flex; flex-direction: column;
}
.sol-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md), var(--shadow-glow); border-color: rgba(22, 163, 74, 0.4); color: var(--ink); }
.sol-card .img-wrap { position: relative; aspect-ratio: 16/8; overflow: hidden; background: var(--green-050); }
.sol-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
/* 图片下缘渐变融入卡片底色：图与文字自然衔接，不遮挡图片主体 */
.sol-card .img-wrap::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 42%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, var(--card) 96%);
  pointer-events: none;
}
.sol-card:hover .img-wrap img { transform: scale(1.06); }
.sol-card .sol-title { display: flex; align-items: center; gap: 12px; }
.sol-icon-badge {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--green), var(--teal)); display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.28);
}
.sol-icon-badge svg { width: 24px; height: 24px; color: #fff; }
.sol-card .body { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.sol-card .body h2, .sol-card .body h3 { font-size: 1.16rem; margin: 0; color: var(--green-deep); }
.sol-card .body p { font-size: 0.92rem; color: var(--ink-2); margin: 0; flex: 1; }
.sol-cases { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.sol-cases span {
  font-size: 0.78rem; padding: 4px 12px; border-radius: 999px;
  background: var(--green-050); color: var(--green-deep); border: 1px solid var(--green-100);
}

/* ---------- 首页方案小卡（沿用 sol-grid 的紧凑版） ---------- */
.sol-mini-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 620px) { .sol-mini-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .sol-mini-grid { grid-template-columns: repeat(5, 1fr); gap: 18px; } }
.sol-mini {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 18px; text-align: center; box-shadow: var(--shadow-sm);
  transition: all var(--ease); color: var(--ink); position: relative; overflow: hidden;
}
.sol-mini::before {
  content: ""; position: absolute; top: -40px; right: -40px; width: 110px; height: 110px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
}
.sol-mini:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(22, 163, 74, 0.4); color: var(--ink); }
.sol-icon { width: 48px; height: 48px; color: var(--green); margin: 0 auto 14px; }
.sol-mini:hover .sol-icon { color: var(--teal); }
.sol-mini h2, .sol-mini h3 { font-size: 1rem; margin-bottom: 8px; color: var(--green-deep); }
.sol-mini p { font-size: 0.86rem; color: var(--ink-2); margin: 0; }

/* ---------- 产品展示（首页） ---------- */
.product-showcase { display: grid; grid-template-columns: 1fr; gap: 30px; align-items: center; }
@media (min-width: 820px) { .product-showcase { grid-template-columns: 1fr 1fr; gap: 48px; } }
.showcase-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; border: 1px solid var(--line); }
.showcase-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.showcase-img:hover img { transform: scale(1.04); }
.detail-row { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 0.98rem; }
.detail-row:last-of-type { border-bottom: none; }
.detail-row .dot { width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg, var(--green), var(--cyan)); flex-shrink: 0; margin-top: 9px; box-shadow: 0 0 8px rgba(34, 197, 94, 0.5); }

/* ---------- CTA ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--green-050) 0%, #e6f9ef 45%, rgba(207, 250, 254, 0.6) 100%);
  border: 1px solid var(--green-100); color: var(--ink);
  text-align: center; padding: 56px 24px; border-radius: var(--radius-lg);
}
.cta-band::before {
  content: ""; position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 520px; height: 260px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(34, 197, 94, 0.16), transparent 70%); pointer-events: none;
}
.cta-band h2 { color: var(--green-deep); margin-bottom: 10px; position: relative; }
.cta-band p { color: var(--ink-2); margin-bottom: 26px; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- 内页横幅（浅色科技） ---------- */
.page-banner {
  position: relative; margin-top: var(--header-h); overflow: hidden;
  padding: 72px 0 64px;
  background:
    radial-gradient(ellipse 600px 300px at 85% -20%, rgba(6, 182, 212, 0.12), transparent 70%),
    radial-gradient(ellipse 700px 340px at 10% 110%, rgba(34, 197, 94, 0.14), transparent 70%),
    linear-gradient(160deg, var(--green-050) 0%, #f2fbf4 60%, #eefaf8 100%);
  border-bottom: 1px solid var(--line);
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(22, 163, 74, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, 0.05) 1px, transparent 1px);
  background-size: 44px 44px; pointer-events: none;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { color: var(--ink); }
.banner-sub { color: var(--ink-2); max-width: 760px; margin-top: 14px; margin-bottom: 0; font-size: 1.04rem; }
.breadcrumb { font-size: 0.86rem; color: var(--ink-3); margin-bottom: 12px; }
.breadcrumb a { color: var(--teal); font-weight: 600; }
.breadcrumb a:hover { color: var(--green); }

/* ---------- 案例详情：事实卡片带 ---------- */
.case-layout { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 900px) { .case-layout { grid-template-columns: 340px 1fr; gap: 48px; align-items: start; } }
.facts-panel { position: sticky; top: calc(var(--header-h) + 20px); display: flex; flex-direction: column; gap: 20px; }
@media (max-width: 899px) { .facts-panel { position: static; } }
.facts-card {
  border-radius: var(--radius-lg); padding: 26px;
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-line); box-shadow: 0 10px 32px rgba(22, 101, 52, 0.10);
}
.facts-card h2 { font-size: 1.1rem; color: var(--green-deep); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--green-100); }
.facts-card dt { font-size: 0.8rem; color: var(--ink-3); margin-top: 12px; }
.facts-card dd { font-size: 1rem; font-weight: 700; color: var(--ink); }
.facts-card dd.big { font-size: 1.3rem; }
.facts-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.facts-img img { width: 100%; transition: transform 0.6s ease; }
.facts-img:hover img { transform: scale(1.04); }
.case-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 0.94rem; }
.case-nav a { font-weight: 700; }

/* ---------- 项目档案（证明材料槽位） ---------- */
.evidence-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 18px; }
@media (min-width: 680px) { .evidence-grid { grid-template-columns: repeat(2, 1fr); } }
.evidence-item {
  border-radius: var(--radius); overflow: hidden; background: var(--card);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.evidence-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.evidence-item figcaption { padding: 12px 16px; font-size: 0.88rem; color: var(--ink-2); }
.evidence-item figcaption strong { color: var(--green-deep); display: block; font-size: 0.92rem; }
.evidence-slot {
  border: 2px dashed rgba(22, 163, 74, 0.35); border-radius: var(--radius);
  background: repeating-linear-gradient(45deg, var(--green-050) 0 12px, #fff 12px 24px);
  min-height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 24px; text-align: center;
}
.evidence-slot svg { width: 34px; height: 34px; color: rgba(22, 163, 74, 0.5); }
.evidence-slot .slot-title { font-weight: 700; color: var(--green-deep); font-size: 0.98rem; }
.evidence-slot .slot-hint { font-size: 0.82rem; color: var(--ink-3); }

/* ---------- 正文排版 ---------- */
.prose { max-width: 780px; }
.prose-wide { max-width: 900px; margin: 0 auto; }
.prose h2 {
  color: var(--green-deep); margin: 38px 0 14px; padding-left: 14px; position: relative;
}
.prose h2::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px; border-radius: 4px;
  background: linear-gradient(to bottom, var(--green), var(--cyan));
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 26px 0 10px; color: var(--ink); }
.prose p { color: var(--ink); }
.prose ul { list-style: none; margin: 0 0 16px; }
.prose ul li { position: relative; padding-left: 24px; margin-bottom: 8px; }
.prose ul li::before {
  content: ""; position: absolute; left: 0; top: 11px; width: 9px; height: 9px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan)); box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
}
.prose strong { color: var(--green-deep); font-weight: 800; }
.prose img { border-radius: var(--radius); margin: 18px 0; border: 1px solid var(--line); }
.prose a { font-weight: 600; border-bottom: 1px solid rgba(22, 163, 74, 0.35); }
.prose a:hover { border-bottom-color: var(--green); }

/* ---------- 服务流程可视化（关于页） ---------- */
.flow-steps { display: grid; grid-template-columns: 1fr; gap: 14px; counter-reset: step; }
@media (min-width: 700px) { .flow-steps { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
@media (min-width: 1000px) { .flow-steps { grid-template-columns: repeat(6, 1fr); gap: 12px; } }
.flow-step {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 16px 18px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--ease);
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(22, 163, 74, 0.4); }
.flow-step .step-no {
  display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%;
  font-weight: 900; font-size: 1.05rem; color: #fff; margin-bottom: 10px;
  background: linear-gradient(135deg, var(--green), var(--teal)); box-shadow: 0 0 16px rgba(34, 197, 94, 0.4);
}
.flow-step h3 { font-size: 1rem; color: var(--green-deep); margin-bottom: 6px; }
.flow-step p { font-size: 0.84rem; color: var(--ink-2); margin: 0; }

/* ---------- 关于页双栏 ---------- */
.about-two-col { display: grid; grid-template-columns: 1fr; gap: 30px; align-items: center; }
@media (min-width: 860px) { .about-two-col { grid-template-columns: 1fr 1fr; gap: 52px; } }
.about-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.about-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ---------- FAQ 分类手风琴 ---------- */
.faq-cat { margin-bottom: 36px; }
.faq-cat-title {
  display: flex; align-items: center; gap: 10px; font-size: 1.15rem; color: var(--green-deep); margin-bottom: 16px;
}
.faq-cat-title::before {
  content: ""; width: 10px; height: 10px; border-radius: 3px;
  background: linear-gradient(135deg, var(--green), var(--cyan)); box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: all var(--ease);
}
.faq-item:hover { border-color: rgba(22, 163, 74, 0.35); }
.faq-item[open] { border-color: var(--green); box-shadow: var(--shadow-md); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 700; font-size: 1.02rem;
  color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex-shrink: 0; width: 10px; height: 10px;
  border-right: 2.5px solid var(--green); border-bottom: 2.5px solid var(--green);
  transform: rotate(45deg); transition: transform var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item[open] summary { color: var(--green-deep); }
.faq-answer { padding: 0 22px 20px; font-size: 0.96rem; color: var(--ink-2); }
.faq-answer p { margin: 0; }

/* ---------- 产品中心：工具条 ---------- */
.product-toolbar {
  position: sticky; top: calc(var(--header-h) + 10px); z-index: 100;
  border-radius: var(--radius-lg); padding: 16px 18px; margin-bottom: 32px;
  display: flex; flex-direction: column; gap: 14px;
}
@media (min-width: 860px) { .product-toolbar { flex-direction: row; align-items: center; } }
.product-search { position: relative; flex: 1; min-width: 220px; }
.product-search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--ink-3); pointer-events: none; }
.product-search input {
  width: 100%; padding: 12px 16px 12px 42px; border-radius: 999px; border: 1.5px solid var(--line);
  font-family: var(--font); font-size: 0.96rem; color: var(--ink); background: #fff;
  transition: all var(--ease); outline: none;
}
.product-search input:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12); }
.product-cats { display: flex; flex-wrap: wrap; gap: 8px; }
.product-cats .filter-chip { padding: 8px 18px; font-size: 0.9rem; }
.product-count { font-size: 0.86rem; color: var(--ink-3); white-space: nowrap; }

/* ---------- 产品卡 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 700px) { .product-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
@media (min-width: 1050px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--ease);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(22, 163, 74, 0.4); }
.product-card.hidden-card { display: none; }
.product-card-img { aspect-ratio: 4/3; background: var(--green-050); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-noimg { font-size: 1.05rem; color: var(--green-deep); font-weight: 800; letter-spacing: 0.06em; padding: 16px; text-align: center; }
.product-card-body { padding: 16px 18px 20px; }
.product-card-body h3 { font-size: 1rem; margin-bottom: 6px; }
.product-card-body p { font-size: 0.85rem; color: var(--ink-2); margin-bottom: 10px; }
.product-cat-tag { font-size: 0.74rem; color: var(--teal); font-weight: 700; letter-spacing: 0.05em; }
.product-features { display: flex; flex-wrap: wrap; gap: 6px; }
.product-features span { font-size: 0.72rem; padding: 3px 10px; border-radius: 999px; background: var(--green-050); color: var(--green-deep); border: 1px solid var(--green-100); }
.product-empty { text-align: center; color: var(--ink-3); padding: 48px 0; display: none; }
.product-empty.show { display: block; }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 900px) { .contact-layout { grid-template-columns: 1.2fr 1fr; gap: 48px; } }
.contact-info, .contact-side {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.contact-info h2, .contact-side h2 { color: var(--green-deep); margin-bottom: 22px; font-size: 1.35rem; }
.info-row { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; font-size: 1rem; }
.info-icon { width: 26px; height: 26px; color: var(--green); flex-shrink: 0; margin-top: 3px; }
/* 统一扫码卡片 */
.qr-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 26px; }
.qr-card {
  background: linear-gradient(170deg, #fff 0%, var(--green-050) 100%);
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px 16px 18px;
  text-align: center; box-shadow: var(--shadow-sm); transition: all var(--ease);
}
.qr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(22, 163, 74, 0.4); }
.qr-card img { width: 100%; max-width: 200px; margin: 0 auto 14px; border-radius: 14px; box-shadow: 0 6px 20px rgba(22, 101, 52, 0.12); }
.qr-card .qr-platform { display: flex; align-items: center; justify-content: center; gap: 8px; font-weight: 800; color: var(--ink); font-size: 1.02rem; }
.qr-card .qr-platform svg { width: 20px; height: 20px; }
.qr-card .qr-account { font-size: 0.88rem; color: var(--ink-2); margin-top: 4px; }
.qr-card .qr-hint { font-size: 0.78rem; color: var(--ink-3); margin-top: 2px; }
.promise-list li { position: relative; padding-left: 28px; margin-bottom: 14px; font-size: 0.97rem; }
.promise-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 17px; height: 17px; border-radius: 50%;
  background: var(--green-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='m6 12 4 4 8-9' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/10px no-repeat;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.3);
}

/* ---------- 页脚（浅色） ---------- */
.site-footer {
  position: relative; background: linear-gradient(180deg, var(--green-050) 0%, #eef8f0 100%);
  color: var(--ink-2); padding: 0 0 0; font-size: 0.94rem; border-top: 1px solid var(--line);
}
.site-footer::before {
  content: ""; display: block; height: 3px;
  background: linear-gradient(90deg, var(--green) 0%, var(--teal) 50%, var(--cyan) 100%);
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; max-width: var(--max-w); margin: 0 auto; padding: 52px 20px 0; }
@media (min-width: 620px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding: 56px 32px 0; } }
.footer-col h4 { color: var(--green-deep); font-size: 1.02rem; margin-bottom: 16px; padding-bottom: 10px; position: relative; }
.footer-col h4::after {
  content: ""; position: absolute; bottom: 0; left: 0; width: 32px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}
.footer-col p { color: var(--ink-2); font-size: 0.9rem; margin-bottom: 6px; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a { color: var(--ink-2); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--green); padding-left: 3px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { width: 34px; height: 34px; object-fit: contain; }
.footer-logo span { font-weight: 800; color: var(--green-deep); font-size: 1.05rem; }
.footer-bottom {
  margin-top: 44px; padding: 18px 20px; text-align: center;
  border-top: 1px dashed rgba(22, 163, 74, 0.25); font-size: 0.85rem; color: var(--ink-3);
}
.footer-bottom p { margin: 0; }
.footer-bottom .icp-link { color: var(--ink-3); }
.footer-bottom .icp-link:hover { color: var(--green); }

/* ---------- 滚动渐显（节奏调快） ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.06s; }
.reveal-d2 { transition-delay: 0.12s; }
.reveal-d3 { transition-delay: 0.18s; }

/* ---------- 尊重 prefers-reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .btn-breathe { animation: none; }
  .hero-scan { display: none; }
}