/* ============================================================
   吉车道官网 · 共享设计系统 (site.css)
   品牌色 Route 1 能源绿 v3.0
   提取自首页 index.html，所有子页面统一引用，保证视觉一致。
   ============================================================ */
:root {
  --signature: #1B6B2E;   /* Signature 主色 深森林绿 */
  --primary: #2E9B43;     /* Primary 亮绿 */
  --accent: #D4A520;      /* Accent 金黄 (点缀<=10%) */
  --secondary: #97C459;   /* Secondary 青绿 */
  --dark: #173404;        /* Dark Ink 深墨绿 */
  --bg: #F5F7F3;          /* 页面主底 浅灰绿 */
  --ink: #173404;         /* 浅底正文 */
  --ink-2: #5F5E5A;       /* 浅底次要文字 */
  --card: #FFFFFF;
  --line: #E3EAD9;        /* 卡片边框/分割 */
  --line-100: #EAF3DE;    /* 主色极浅底纹 */
  --accent-100: #FAEEDA;  /* 金黄极浅 */
  --maxw: 1200px;
  --shadow: 0 10px 30px rgba(23, 52, 4, 0.10);
  --radius: 16px;
  --font: "Microsoft YaHei", "PingFang SC", "Source Han Sans CN", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
/* height:auto 覆盖 img 的 height 属性（属性等价 height:800px，会让只设 width 的图片纵向拉伸） */
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-title { font-size: 34px; font-weight: 800; letter-spacing: 1px; color: var(--dark); text-align: center; }
.section-sub { text-align: center; color: var(--ink-2); margin-top: 12px; font-size: 16px; }
.eyebrow {
  display: inline-block; color: var(--primary); font-weight: 700; letter-spacing: 2px;
  font-size: 14px; margin-bottom: 10px; text-transform: uppercase;
}
.eyebrow::before { content: ""; display: inline-block; width: 26px; height: 2px; background: var(--accent); vertical-align: middle; margin-right: 10px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-size: 16px; font-weight: 700;
  cursor: pointer; border: 2px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.btn-primary { background: var(--signature); color: #fff; }
.btn-primary:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(27,107,46,.30); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-outline { background: #fff; color: var(--signature); border-color: var(--signature); }
.btn-outline:hover { background: var(--signature); color: #fff; }
.btn-gold { background: var(--accent); color: var(--dark); }
.btn-gold:hover { filter: brightness(1.05); transform: translateY(-2px); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: all .3s ease; padding: 18px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 40px; width: auto; transition: opacity .3s; }
.nav-logo .logo-color { display: none; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  color: #fff; font-weight: 600; font-size: 16px; position: relative; padding: 4px 0;
  transition: color .25s; white-space: nowrap;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px;
  background: var(--accent); transition: width .25s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 44px; height: 44px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px auto; transition: .3s; }

/* 滚动后变白底 */
.nav.scrolled { background: #fff; box-shadow: 0 4px 20px rgba(23,52,4,.10); padding: 12px 0; }
.nav.scrolled .nav-links a { color: var(--dark); }
.nav.scrolled .nav-logo .logo-white { display: none; }
.nav.scrolled .nav-logo .logo-color { display: block; }
.nav.scrolled .nav-toggle span { background: var(--dark); }

/* 移动抽屉 */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 78%; max-width: 320px; z-index: 1100;
  background: #fff; transform: translateX(100%); transition: transform .3s ease;
  box-shadow: -10px 0 30px rgba(0,0,0,.15); padding: 80px 28px 28px; display: flex; flex-direction: column; gap: 6px;
}
.drawer.open { transform: translateX(0); }
.drawer a { color: var(--dark); font-weight: 600; font-size: 17px; padding: 14px 6px; border-bottom: 1px solid var(--line); }
.drawer .btn { margin-top: 18px; }
.drawer-close { position: absolute; top: 22px; right: 22px; background: none; border: 0; font-size: 30px; color: var(--dark); cursor: pointer; line-height: 1; }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 1050; opacity: 0; visibility: hidden; transition: .3s; }
.overlay.show { opacity: 1; visibility: visible; }

/* ---------- 子页面 Hero ---------- */
.subhero {
  position: relative; background: var(--dark); color: #fff;
  padding: 150px 0 70px; overflow: hidden;
}
.subhero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(46,155,67,.30), transparent 60%),
    linear-gradient(120deg, var(--dark) 0%, #0f2602 100%);
  z-index: 0;
}
.subhero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.breadcrumb { font-size: 14px; color: var(--secondary); margin-bottom: 18px; }
.breadcrumb a { color: var(--secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; opacity: .6; }
.subhero h1 { font-size: 46px; font-weight: 900; line-height: 1.18; letter-spacing: 1px; text-wrap: balance; }
.subhero h1 .hl { color: var(--accent); }
.subhero h1 .h1-sub {
  display: block; margin-top: 14px;
  font-size: 25px; font-weight: 700; line-height: 1.45; letter-spacing: 0;
  color: var(--accent);
}
.subhero h1 .dev-tag { display: inline-block; vertical-align: middle; margin-left: 12px; font-size: 14px; font-weight: 700; color: var(--accent); background: rgba(212,165,32,.14); border: 1px solid var(--accent); padding: 4px 12px; border-radius: 999px; letter-spacing: 1px; }
.subhero-sub { font-size: 18px; margin-top: 16px; color: #e8f2dc; }
.subhero-sub b { color: #fff; }
.subhero-cta { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.subhero-visual { position: relative; }
.subhero-visual img {
  width: 100%; height: auto; border-radius: 18px; box-shadow: 0 30px 60px rgba(0,0,0,.45);
  border: 1px solid rgba(151,196,89,.25); background: #fff;
}
.subhero-badge {
  position: absolute; left: -18px; bottom: 26px; background: var(--accent); color: var(--dark);
  padding: 12px 18px; border-radius: 14px; font-weight: 800; box-shadow: var(--shadow);
}
.subhero-badge small { display: block; font-weight: 600; font-size: 12px; opacity: .8; }

/* ---------- 数据条 ---------- */
.stats { background: var(--signature); color: #fff; padding: 46px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; text-align: center; }
.stat-item { padding: 10px 6px; border-left: 1px solid rgba(255,255,255,.16); }
.stat-item:first-child { border-left: 0; }
.stat-num { font-size: 38px; font-weight: 900; color: #fff; line-height: 1; font-variant-numeric: tabular-nums; }
.stat-num .unit { font-size: 18px; font-weight: 700; color: var(--accent); margin-left: 4px; }
.stat-label { font-size: 14px; margin-top: 10px; color: #d7ecc6; }

/* ---------- 电站设备卡片网格 ---------- */
.products { background: var(--bg); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 44px; }
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(23,52,4,.16); }
.product-card .media { background: linear-gradient(135deg, #eef5e6, #dcebd0); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; padding: 18px; }
.product-card .media img { max-height: 200px; object-fit: contain; }
.product-cap { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.product-cap .cap-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.product-cap h3 { font-size: 21px; font-weight: 800; color: var(--dark); }
.product-cap .kwh { color: var(--primary); font-weight: 800; font-size: 18px; }
.product-cap .desc { color: var(--ink-2); margin: 12px 0 16px; font-size: 15px; flex: 1; }
.product-spec { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.product-spec span { background: var(--line-100); color: var(--signature); font-size: 13px; padding: 5px 11px; border-radius: 999px; font-weight: 600; }

/* ---------- 核心参数表 ---------- */
.param-wrap { background: #fff; }
.param-table { width: 100%; border-collapse: collapse; margin-top: 30px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.param-table th, .param-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
.param-table thead th { background: var(--signature); color: #fff; font-weight: 700; font-size: 15px; }
.param-table tbody tr:nth-child(even) { background: #FBFDF8; }
.param-table td:first-child { color: var(--ink-2); width: 30%; font-weight: 600; }
.param-table td:last-child { color: var(--dark); font-weight: 700; }
.param-cat { background: var(--line-100); color: var(--signature); font-weight: 800 !important; font-size: 14px !important; letter-spacing: 1px; }

/* ---------- 特性卡片 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.feature-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: transform .25s, box-shadow .25s; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(23,52,4,.14); }
.feature-icon { width: 60px; height: 60px; border-radius: 14px; background: var(--line-100); color: var(--signature); display: flex; align-items: center; justify-content: center; font-size: 30px; margin-bottom: 18px; }
.feature-card h3 { font-size: 19px; color: var(--dark); font-weight: 800; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--ink-2); }

/* ---------- 图集 ---------- */
.gallery { background: var(--bg); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.gallery-grid figure { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.gallery-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.gallery-grid figcaption { padding: 12px 16px; font-size: 14px; color: var(--ink-2); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { background: #fff; }
.faq-list { max-width: 860px; margin: 40px auto 0; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; margin-bottom: 14px; overflow: hidden; background: var(--card); }
.faq-item summary { cursor: pointer; padding: 20px 24px; font-weight: 700; font-size: 17px; color: var(--dark); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 26px; color: var(--primary); font-weight: 800; transition: transform .25s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 24px 22px; color: var(--ink-2); font-size: 15px; }

/* ---------- 相关电站设备 ---------- */
.related { background: var(--bg); }

/* ---------- 对比表（电站设备） ---------- */
.compare-wrap { background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; margin-top: 30px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare-table th, .compare-table td { padding: 16px 18px; text-align: center; border-bottom: 1px solid var(--line); font-size: 15px; }
.compare-table thead th { background: var(--signature); color: #fff; font-weight: 700; }
.compare-table thead th:first-child { background: var(--dark); text-align: left; }
.compare-table tbody th { background: var(--bg); color: var(--ink-2); font-weight: 700; text-align: left; }
.compare-table tbody td { color: var(--dark); font-weight: 600; }
.compare-table .hl { color: var(--primary); font-weight: 800; }

/* ---------- CTA 转化区 ---------- */
.cta { background: var(--bg); }
.cta-box {
  background: linear-gradient(120deg, var(--dark), #0f2602); color: #fff; border-radius: 24px;
  padding: 60px 50px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  position: relative; overflow: hidden;
}
.cta-box::after { content: ""; position: absolute; right: -80px; bottom: -80px; width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(212,165,32,.20), transparent 65%); }
.cta-box h2 { font-size: 36px; font-weight: 900; line-height: 1.25; }
.cta-box .csub { color: #d7ecc6; margin-top: 14px; }
.cta-box .csub b { color: var(--accent); }
form.consult { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15); border-radius: 18px; padding: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: #cfe6bd; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08); color: #fff; font-family: var(--font); font-size: 15px; outline: none;
}
.field input::placeholder, .field textarea::placeholder { color: #9fb88c; }
.field input:focus, .field textarea:focus { border-color: var(--accent); background: rgba(255,255,255,.12); }
.field textarea { resize: vertical; min-height: 70px; }
form.consult .btn { width: 100%; margin-top: 4px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: #cfe6bd; padding: 64px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1.4fr 1fr; gap: 40px; }
.footer .flogo { height: 42px; width: auto; margin-bottom: 16px; }
.footer .fsub { color: var(--secondary); font-size: 14px; letter-spacing: 1px; margin-bottom: 16px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; font-weight: 800; }
.footer p, .footer li { font-size: 14px; line-height: 1.9; color: #bcd6a9; }
.footer a:hover { color: var(--accent); }
.footer .qr { background: #fff; padding: 10px; border-radius: 12px; width: 132px; }
.footer .qr img { width: 112px; height: 112px; }
.footer .qr small { display: block; text-align: center; color: var(--dark); font-size: 12px; font-weight: 700; margin-top: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px; text-align: center; font-size: 13px; color: #8fab7c; }
.footer-bottom a { color: var(--secondary); }

/* ---------- 悬浮联系条 ---------- */
.float-bar { position: fixed; right: 22px; bottom: 22px; z-index: 900; display: flex; flex-direction: column; gap: 12px; opacity: 0; visibility: hidden; transition: .3s; }
.float-bar.show { opacity: 1; visibility: visible; }
.float-btn { width: 50px; height: 50px; flex: 0 0 auto; border-radius: 50%; background: var(--signature); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow); font-size: 22px; transition: .2s; text-decoration: none; -webkit-appearance: none; appearance: none; border: 0; padding: 0; margin: 0; cursor: pointer; }
.float-btn:hover { background: var(--primary); transform: scale(1.06); }
.float-btn.top { background: var(--dark); }
.float-btn .fl-ico { width: 24px; height: 24px; display: block; flex: 0 0 auto; stroke: #D4A520; }
.float-btn:hover .fl-ico { stroke: #F0C743; }
.float-btn.wx { border: 0; padding: 0; cursor: pointer; font: inherit; -webkit-appearance: none; appearance: none; width: 50px; height: 50px; flex: 0 0 auto; background: var(--signature); display: flex; align-items: center; justify-content: center; }
.float-btn.wx .fl-ico { width: 26px; height: 26px; display: block; }

/* ---------- 微信二维码弹层 ---------- */
.wx-modal { position: fixed; inset: 0; z-index: 1300; display: flex; align-items: center; justify-content: center; padding: 24px; }
.wx-modal[hidden] { display: none; }
.wx-modal-mask { position: absolute; inset: 0; background: rgba(10,26,2,.74); }
.wx-modal-box {
  position: relative; z-index: 2; width: 100%; max-width: 420px;
  background: #fff; border-radius: 20px; padding: 30px 28px 24px;
  text-align: center; box-shadow: 0 30px 70px rgba(0,0,0,.45);
  animation: wxIn .22s ease-out;
}
@keyframes wxIn { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: none; } }
.wx-modal-close {
  position: absolute; top: 10px; right: 12px; width: 38px; height: 38px;
  border: 0; background: none; font-size: 28px; line-height: 1;
  color: var(--ink-2); cursor: pointer; border-radius: 50%; transition: .2s;
}
.wx-modal-close:hover { background: var(--bg); color: var(--dark); }
.wx-modal-close:focus:not(:focus-visible) { outline: none; }
.wx-modal-title { font-size: 21px; font-weight: 800; color: var(--signature); }
.wx-modal-sub { margin-top: 7px; font-size: 13px; color: var(--ink-2); letter-spacing: .5px; }
.wx-modal-qr {
  margin: 18px auto 14px; width: 100%; max-width: 288px;
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff;
}
.wx-modal-qr img { display: block; width: 100%; height: auto; }
.wx-modal-tel { font-size: 14px; color: var(--ink-2); }
.wx-modal-tel b { color: var(--dark); font-size: 17px; letter-spacing: .5px; }
body.wx-open { overflow: hidden; }
@media (max-width: 480px) {
  .wx-modal-box { padding: 26px 20px 20px; border-radius: 16px; }
  .wx-modal-qr { max-width: 240px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .subhero .container { grid-template-columns: 1fr; }
  .subhero-visual { max-width: 560px; margin: 10px auto 0; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 28px 12px; }
  .stat-item:nth-child(4) { border-left: 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .subhero { padding: 120px 0 56px; }
  .subhero h1 { font-size: 32px; }
  .subhero h1 .h1-sub { font-size: 19px; margin-top: 10px; }
  .subhero-sub { font-size: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 10px; }
  .stat-item { border-left: 0; }
  .stat-num { font-size: 32px; }
  .product-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-bar { right: 14px; bottom: 14px; }
}
@media (max-width: 420px) {
  .feature-grid { grid-template-columns: 1fr; }
  .subhero h1 { font-size: 28px; }
}

/* 进场动画 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .product-card:hover, .feature-card:hover, .case-chip:hover { transform: none; }
}

/* ---------- 服务流程 steps ---------- */
.flow { background: #fff; }
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 44px; counter-reset: step; }
.flow-step { position: relative; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 18px 26px; text-align: center; }
.flow-step .num { width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%; background: var(--signature); color: #fff; font-weight: 800; font-size: 20px; display: flex; align-items: center; justify-content: center; }
.flow-step h3 { font-size: 17px; color: var(--dark); font-weight: 800; }
.flow-step p { font-size: 13px; color: var(--ink-2); margin-top: 8px; }
.flow-step:not(:last-child)::after { content: "→"; position: absolute; right: -14px; top: 46px; color: var(--accent); font-weight: 800; font-size: 22px; }
@media (max-width: 1024px) { .flow-grid { grid-template-columns: repeat(3, 1fr); } .flow-step:nth-child(3)::after { display: none; } }
@media (max-width: 768px) { .flow-grid { grid-template-columns: repeat(2, 1fr); } .flow-step::after { display: none; } }

/* ---------- 业务示意图 ---------- */
.schematic { background: var(--bg); }
.schematic img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }

/* ---------- 发展历程时间轴 ---------- */
.timeline { background: #fff; }
.timeline-list { position: relative; max-width: 920px; margin: 44px auto 0; padding-left: 28px; }
.timeline-list::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 3px; background: linear-gradient(var(--primary), var(--secondary)); border-radius: 3px; }
.tl-item { position: relative; padding: 0 0 30px 26px; }
.tl-item::before { content: ""; position: absolute; left: -24px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--signature); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--line); }
.tl-item .tl-year { font-weight: 800; color: var(--signature); font-size: 15px; }
.tl-item .tl-title { font-weight: 800; color: var(--dark); font-size: 17px; margin: 4px 0 6px; }
.tl-item .tl-desc { color: var(--ink-2); font-size: 14px; }

/* ---------- 战略合作 / 价值卡片 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 44px; }
.value-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; transition: transform .25s, box-shadow .25s; }
.value-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(23,52,4,.14); }
.value-card .vt { font-weight: 800; color: var(--dark); font-size: 16px; margin-bottom: 8px; }
.value-card .vd { font-size: 14px; color: var(--ink-2); }
.partner-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-top: 36px; }
.partner-pill { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 14px 28px; font-weight: 800; color: var(--dark); box-shadow: var(--shadow); }

/* ---------- 资质荣誉证书 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.cert-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); text-align: center; }
.cert-card img { width: 100%; display: block; background: #fff; }
.cert-card .cert-cap { padding: 16px 18px; }
.cert-card .cert-cap .cn { font-weight: 800; color: var(--dark); font-size: 15px; }
.cert-card .cert-cap .cm { font-size: 13px; color: var(--ink-2); margin-top: 4px; }
.cert-note { margin-top: 26px; font-size: 13px; color: var(--ink-2); text-align: center; background: var(--accent-100); display: inline-block; padding: 8px 16px; border-radius: 10px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 44px; align-items: start; }
.info-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 20px; display: flex; gap: 16px; align-items: flex-start; }
.info-card .ic-ico { font-size: 26px; line-height: 1.4; }
.info-card .ic-t { font-weight: 800; color: var(--dark); font-size: 16px; }
.info-card .ic-d { font-size: 14px; color: var(--ink-2); margin-top: 4px; }
.map-box { background: linear-gradient(135deg, #eef5e6, #dcebd0); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; min-height: 220px; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.map-box .mb-addr { font-weight: 700; color: var(--dark); font-size: 16px; }
.map-box .mb-sub { color: var(--ink-2); font-size: 14px; }
.form-note { font-size: 13px; color: var(--ink-2); margin-top: 10px; text-align: center; }
.tab-btns { display: flex; gap: 10px; margin-bottom: 18px; }
.tab-btn { flex: 1; padding: 12px; border: 1px solid var(--line); background: var(--bg); border-radius: 12px; font-weight: 700; color: var(--ink-2); cursor: pointer; transition: .2s; }
.tab-btn.active { background: var(--signature); color: #fff; border-color: var(--signature); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- 案例中心 ---------- */
.industry-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 30px 0 6px; }
.industry-filter .if-btn {
  padding: 10px 20px; border: 1px solid var(--line); background: #fff; border-radius: 999px;
  font-weight: 700; color: var(--ink-2); cursor: pointer; transition: .2s; font-size: 14px;
}
.industry-filter .if-btn.active { background: var(--signature); color: #fff; border-color: var(--signature); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.case-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column; gap: 12px;
}
.case-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(23,52,4,.14); }
.case-card.deep { border-color: var(--primary); }
.case-tag {
  align-self: flex-start; padding: 5px 12px; border-radius: 999px; background: var(--line-100);
  color: var(--primary); font-size: 12px; font-weight: 700;
}
.case-name { font-size: 19px; font-weight: 800; color: var(--dark); }
.case-desc { font-size: 14px; color: var(--ink-2); flex: 1; }
.case-link { margin-top: 4px; color: var(--signature); font-weight: 700; font-size: 14px; }
.case-link::after { content: " →"; }

/* ---------- 中华移动充电联盟 ---------- */
.ally-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-top: 40px; }
.ally-intro .ai-col { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.ally-intro .ai-col p { color: var(--ink-2); font-size: 15px; }
.ally-logo { text-align: center; }
.ally-logo img { height: 150px; margin: 0 auto 14px; }
.ally-logo .al-en { color: var(--ink-2); font-size: 13px; letter-spacing: 1px; }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }
.support-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow); }
.support-card .sc-num { width: 42px; height: 42px; border-radius: 10px; background: var(--accent-100); color: var(--signature); font-weight: 900; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.support-card h3 { font-size: 17px; color: var(--dark); font-weight: 800; margin-bottom: 8px; }
.support-card p { font-size: 14px; color: var(--ink-2); }
.income-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }
.income-card { background: linear-gradient(135deg, #eef5e6, #dcebd0); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.income-card h3 { font-size: 18px; color: var(--signature); font-weight: 800; margin-bottom: 10px; }
.income-card p { color: var(--ink-2); font-size: 15px; }
.invest-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.invest-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; box-shadow: var(--shadow); }
.invest-item .iv-amt { font-size: 24px; font-weight: 900; color: var(--accent); }
.invest-item h3 { font-size: 16px; color: var(--dark); font-weight: 800; margin: 6px 0 8px; }
.invest-item p { font-size: 14px; color: var(--ink-2); }
.invest-item h3 .iv-red { color: #C62828; font-weight: 800; }
.invest-item p.iv-note { font-size: 16px; line-height: 1.6; color: #C62828; font-weight: 800; }
.invest-total { text-align: center; margin-top: 26px; }
.invest-total .it-box { display: inline-block; background: var(--dark); color: #fff; padding: 14px 30px; border-radius: 999px; font-weight: 800; font-size: 16px; }
.invest-total .it-box b { color: var(--accent); }
.path-steps { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 40px; }
.path-step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 26px; text-align: center; min-width: 210px; }
.path-step .ps-stage { font-size: 13px; color: var(--primary); font-weight: 700; }
.path-step .ps-name { font-size: 17px; font-weight: 800; color: var(--dark); margin-top: 6px; }
.path-step.done { background: var(--line-100); border-color: var(--primary); }
.path-step.current { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-100); }
.contact-channels { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; margin-top: 34px; }
.channel-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px; text-align: center; box-shadow: var(--shadow); min-width: 230px; }
.channel-card .cc-ico { font-size: 30px; }
.channel-card .cc-t { font-weight: 800; color: var(--dark); margin-top: 6px; }
.channel-card .cc-d { color: var(--ink-2); font-size: 14px; margin-top: 4px; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .ally-intro { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .income-grid { grid-template-columns: 1fr; }
  .invest-list { grid-template-columns: 1fr; }
}

/* ---------- 整体业务运作示意图 ---------- */
.section-business-map { background: var(--bg); }
.business-map-img {
  display: block; width: 100%; max-width: 1180px; height: auto;
  margin: 12px auto 0; border-radius: var(--radius);
  box-shadow: 0 12px 36px rgba(23,52,4,.16);
}

/* ---------- 联系我们：邓总微信二维码 CTA ---------- */
.qr-cta-block {
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 28px; text-align: center;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.qr-cta-title { font-size: 26px; font-weight: 800; color: var(--signature); letter-spacing: .5px; }
.qr-cta-sub { font-size: 13px; color: var(--ink-2); letter-spacing: .3px; margin-top: -6px; }
.qr-cta-img {
  margin: 6px 0 4px; padding: 14px;
  background: #fff; border-radius: 16px;
  border: 2px solid var(--signature);
  box-shadow: 0 8px 24px rgba(27,107,46,.18);
}
.qr-cta-img img { display: block; width: 240px; height: 240px; }
/* 二维码可点击放大（触发 #wxModal） */
.qr-cta-btn {
  cursor: zoom-in; font: inherit; appearance: none;
  transition: box-shadow .2s, transform .2s;
}
.qr-cta-btn:hover { box-shadow: 0 14px 32px rgba(27,107,46,.28); }
.qr-cta-btn:active { transform: scale(.985); }
.qr-cta-btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 4px; }
.qr-cta-phone {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 8px;
  margin-top: 4px;
}
.qr-cta-phone-label { font-size: 13px; color: var(--ink-2); }
.qr-cta-phone a {
  font-size: 24px; font-weight: 800; color: var(--signature);
  text-decoration: none; letter-spacing: .5px;
}
.qr-cta-phone a:hover { color: var(--primary); }
.qr-cta-phone-wx { font-size: 13px; color: var(--ink-2); }
.qr-cta-tip {
  font-size: 12px; color: var(--ink-2); line-height: 1.7;
  background: var(--line-100); padding: 10px 16px; border-radius: 999px;
  margin-top: 4px;
}
@media (max-width: 480px) {
  .qr-cta-title { font-size: 22px; }
  .qr-cta-img img { width: 200px; height: 200px; }
  .qr-cta-phone a { font-size: 20px; }
}

/* CTA 两栏内的二维码块变体（比联系页版本更紧凑） */
.qr-cta-inline { padding: 28px 22px; gap: 12px; }
.qr-cta-inline .qr-cta-title { font-size: 22px; }
.qr-cta-inline .qr-cta-img img { width: 200px; height: 200px; }
.qr-cta-inline .qr-cta-phone a { font-size: 21px; }
@media (max-width: 480px) {
  .qr-cta-inline { padding: 22px 16px; }
  .qr-cta-inline .qr-cta-title { font-size: 19px; }
  .qr-cta-inline .qr-cta-img img { width: 170px; height: 170px; }
  .qr-cta-inline .qr-cta-phone a { font-size: 18px; }
}

/* ============================================================
   资讯中心（/news/）模块
   8 项导航在 1025–1200px 区间的紧凑适配
   ============================================================ */
@media (min-width: 861px) and (max-width: 1240px) {
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 14px; }
  .nav-logo img { height: 34px; }
  .nav-cta { gap: 10px; }
  .nav-cta .btn { padding: 11px 16px; font-size: 14px; white-space: nowrap; }
}
@media (min-width: 861px) and (max-width: 1000px) {
  .nav-links { gap: 10px; }
  .nav-links a { font-size: 13px; }
  .nav-cta .btn { padding: 10px 13px; font-size: 13px; }
}
/* 860px 及以下改用抽屉菜单，避免 8 项导航在窄屏挤成两行 */
@media (min-width: 769px) and (max-width: 860px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- 列表页 Hero（单栏，复用 subhero 深色底） ---------- */
.nw-hero .container { grid-template-columns: 1fr; }
.nw-hero-text { max-width: 820px; }
.nw-hero h1 { margin-top: 4px; }
.nw-hero .breadcrumb { color: var(--secondary); }

/* ---------- 分类筛选条 ---------- */
.nw-list-section { background: var(--bg); }
.nw-filter {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px;
  padding-bottom: 22px; border-bottom: 1px solid var(--line);
}
.nw-filter-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--ink-2); background: #fff; border: 1px solid var(--line);
  transition: all .22s ease;
}
.nw-filter-item em { font-style: normal; font-size: 12px; opacity: .7; }
.nw-filter-item:hover { color: var(--signature); border-color: var(--secondary); background: var(--line-100); }
.nw-filter-item.is-on { background: var(--signature); color: #fff; border-color: var(--signature); }
.nw-filter-item.is-on em { opacity: .85; }

/* ---------- 卡片网格 ---------- */
.nw-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.nw-card {
  display: flex; flex-direction: column; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.nw-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--secondary); }
.nw-card-cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--line-100); }
.nw-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.nw-card:hover .nw-card-cover img { transform: scale(1.045); }
.nw-cat {
  position: absolute; top: 12px; left: 12px;
  font-size: 12px; font-weight: 700; letter-spacing: .5px;
  color: var(--dark); background: var(--accent); padding: 4px 12px; border-radius: 999px;
}
.nw-card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.nw-card-date { font-size: 13px; color: var(--ink-2); letter-spacing: .3px; }
.nw-card-title {
  font-size: 19px; font-weight: 800; line-height: 1.45; color: var(--dark);
  margin: 8px 0 10px; transition: color .2s;
}
.nw-card:hover .nw-card-title { color: var(--signature); }
.nw-card-sum {
  font-size: 14px; color: var(--ink-2); line-height: 1.75; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.nw-card-more { margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--primary); }
.nw-card-featured { grid-column: span 2; }
.nw-card-featured .nw-card-cover { aspect-ratio: 21 / 9; }
.nw-card-featured .nw-card-title { font-size: 24px; }
/* 全站仅 1 篇时：单列居中，避免精选卡右侧留大片空档 */
.nw-grid.nw-grid-single { grid-template-columns: minmax(0, 880px); justify-content: center; }
.nw-grid.nw-grid-single .nw-card-featured { grid-column: span 1; }
.nw-grid.nw-grid-single .nw-card-featured .nw-card-cover { aspect-ratio: 21 / 9; }

.nw-empty {
  grid-column: 1 / -1; text-align: center; padding: 70px 20px;
  color: var(--ink-2); background: #fff; border: 1px dashed var(--line); border-radius: var(--radius);
}
.nw-back { margin-top: 40px; text-align: center; }
.nw-back a { font-size: 15px; font-weight: 700; color: var(--signature); }
.nw-back a:hover { color: var(--primary); }

/* ---------- 分页 ---------- */
.nw-pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.nw-pager-btn, .nw-pager-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 42px; height: 42px; padding: 0 16px; border-radius: 999px;
  font-size: 14px; font-weight: 700; color: var(--signature);
  background: #fff; border: 1px solid var(--line); transition: all .2s ease;
}
.nw-pager-num { padding: 0; }
.nw-pager-btn:hover, .nw-pager-num:hover { border-color: var(--secondary); background: var(--line-100); }
.nw-pager-num.is-current { background: var(--signature); color: #fff; border-color: var(--signature); }
.nw-pager-btn.is-disabled { color: #b9bfb3; background: transparent; border-color: var(--line); cursor: not-allowed; }

/* ============================================================
   文章详情页
   ============================================================ */
/* 文章页为浅底布局，导航改为白底深字（与首页滚动后状态一致） */
.nw-post-page .nav { background: #fff; box-shadow: 0 4px 20px rgba(23, 52, 4, .08); padding: 12px 0; }
.nw-post-page .nav-links a { color: var(--dark); }
.nw-post-page .nav-logo .logo-white { display: none; }
.nw-post-page .nav-logo .logo-color { display: block; }
.nw-post-page .nav-toggle span { background: var(--dark); }

.nw-post { padding: 150px 0 84px; }
.nw-post-wrap { max-width: 860px; margin: 0 auto; }
.nw-post-head { margin-bottom: 32px; }
.nw-post-head .breadcrumb { font-size: 14px; color: var(--ink-2); margin-bottom: 16px; }
.nw-post-head .breadcrumb a { color: var(--ink-2); }
.nw-post-head .breadcrumb a:hover { color: var(--primary); }
.nw-post-head .eyebrow { margin-bottom: 8px; }
.nw-post-head h1 {
  font-size: 38px; font-weight: 900; line-height: 1.3; letter-spacing: .5px;
  color: var(--dark); margin-bottom: 18px;
}
.nw-post-lead {
  font-size: 18px; line-height: 1.8; color: var(--ink-2);
  padding-left: 18px; border-left: 4px solid var(--accent); margin-bottom: 22px;
}
.nw-post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-2); }
.nw-post-meta time { font-weight: 700; color: var(--signature); }
.nw-dot { opacity: .45; }
.nw-post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.nw-tag {
  font-size: 12px; font-weight: 600; color: var(--signature);
  background: var(--line-100); border: 1px solid var(--line);
  padding: 4px 12px; border-radius: 999px;
}
.nw-post-cover { margin: 0 0 34px; border-radius: var(--radius); overflow: hidden; background: var(--line-100); }
.nw-post-cover img { width: 100%; height: auto; }

/* ---------- 正文排版 ---------- */
.nw-post-body { font-size: 16.5px; line-height: 1.95; color: #2b3a20; }
.nw-post-body > p { margin: 0 0 1.15em; }
.nw-post-body h2 {
  font-size: 25px; font-weight: 800; color: var(--dark); line-height: 1.4;
  margin: 46px 0 18px; padding-left: 15px; border-left: 5px solid var(--primary);
}
.nw-post-body h3 {
  font-size: 19px; font-weight: 800; color: var(--signature);
  margin: 30px 0 12px;
}
.nw-post-body h2 + p, .nw-post-body h3 + p { margin-top: 0; }
.nw-post-body ul, .nw-post-body ol { margin: 0 0 1.2em 1.4em; }
.nw-post-body ul { list-style: disc; }
.nw-post-body ol { list-style: decimal; }
.nw-post-body li { margin-bottom: .5em; }
.nw-post-body strong { color: var(--dark); font-weight: 800; }
.nw-post-body a { color: var(--primary); border-bottom: 1px solid var(--secondary); }
.nw-post-body a:hover { color: var(--signature); }
.nw-post-body blockquote {
  margin: 30px 0; padding: 20px 24px; background: var(--accent-100);
  border-left: 5px solid var(--accent); border-radius: 0 10px 10px 0;
  color: var(--dark); font-size: 17px;
}
.nw-post-body blockquote p { margin: 0; }
.nw-post-body hr { border: 0; height: 1px; background: var(--line); margin: 40px 0; }
.nw-post-body code {
  background: var(--line-100); padding: 2px 7px; border-radius: 5px;
  font-size: 14px; color: var(--signature);
}

/* 图片与图注 */
.nw-figure { margin: 30px 0; }
.nw-figure img { width: 100%; height: auto; border-radius: 12px; background: var(--line-100); }
.nw-figure figcaption {
  text-align: center; font-size: 13.5px; color: var(--ink-2); margin-top: 10px; line-height: 1.6;
}

/* 关键信息卡（GEO 核心：结构化事实，便于 AI 抽取） */
.nw-factcard {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; margin: 30px 0 36px;
}
.nw-factcard > div { background: #fff; padding: 15px 20px; }
.nw-factcard dt {
  font-size: 12px; font-weight: 800; letter-spacing: 1px; color: var(--primary);
  text-transform: uppercase;
}
.nw-factcard dd {
  font-size: 15.5px; font-weight: 700; color: var(--dark); margin-top: 5px; line-height: 1.6;
}

/* ---------- FAQ（同时输出 FAQPage 结构化数据） ---------- */
.nw-faq { margin: 50px 0 10px; padding-top: 34px; border-top: 2px solid var(--line); }
.nw-faq h2 { font-size: 25px; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.nw-faq-item { border-bottom: 1px solid var(--line); }
.nw-faq-item summary {
  cursor: pointer; padding: 17px 34px 17px 0; position: relative;
  font-size: 17px; font-weight: 700; color: var(--dark); list-style: none;
}
.nw-faq-item summary::-webkit-details-marker { display: none; }
.nw-faq-item summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 400; color: var(--primary); transition: transform .25s;
}
.nw-faq-item[open] summary::after { content: "−"; }
.nw-faq-a { padding: 0 0 18px; font-size: 15.5px; line-height: 1.85; color: var(--ink-2); }

/* ---------- 相关阅读 ---------- */
.nw-related { margin-top: 56px; padding-top: 34px; border-top: 1px solid var(--line); }
.nw-related h2 { font-size: 20px; font-weight: 800; color: var(--dark); margin-bottom: 18px; }
.nw-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.nw-mini {
  display: block; padding: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; transition: all .25s ease;
}
.nw-mini:hover { border-color: var(--secondary); box-shadow: var(--shadow); transform: translateY(-2px); }
.nw-mini-date { font-size: 12px; color: var(--ink-2); letter-spacing: .3px; }
.nw-mini-title { font-size: 14.5px; font-weight: 700; color: var(--dark); line-height: 1.5; margin-top: 6px; }

/* ---------- 上下篇 ---------- */
.nw-prevnext {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line);
}
.nw-prevnext a {
  display: block; padding: 16px 18px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; transition: all .25s ease;
}
.nw-prevnext a:hover { border-color: var(--secondary); background: var(--line-100); }
.nw-prevnext span { font-size: 12px; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.nw-prevnext strong {
  display: block; font-size: 14.5px; font-weight: 700; color: var(--dark);
  line-height: 1.5; margin-top: 5px;
}
.nw-pn-prev { text-align: left; }
.nw-pn-next { text-align: right; }

/* ---------- 归档页 ---------- */
.nw-archive-section { background: var(--bg); }
.nw-arc-group { margin-bottom: 40px; }
.nw-arc-group h2 {
  font-size: 20px; font-weight: 800; color: var(--dark);
  padding-bottom: 12px; border-bottom: 2px solid var(--line); margin-bottom: 6px;
}
.nw-arc-group h2 em { font-style: normal; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-left: 8px; }
.nw-arc-list li {
  display: flex; align-items: baseline; gap: 14px;
  padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 15.5px;
}
.nw-arc-list time { flex: 0 0 56px; font-size: 13px; font-weight: 700; color: var(--secondary); }
.nw-arc-list a { flex: 1; color: var(--dark); font-weight: 600; transition: color .2s; }
.nw-arc-list a:hover { color: var(--primary); }
.nw-arc-cat {
  flex: 0 0 auto; font-size: 12px; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line); padding: 2px 10px; border-radius: 999px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .nw-grid { grid-template-columns: repeat(2, 1fr); }
  .nw-card-featured { grid-column: span 2; }
  .nw-mini-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nw-post { padding: 120px 0 60px; }
  .nw-post-head h1 { font-size: 27px; }
  .nw-post-lead { font-size: 16px; }
  .nw-post-body { font-size: 16px; line-height: 1.85; }
  .nw-post-body h2 { font-size: 21px; margin: 36px 0 14px; }
  .nw-post-body h3 { font-size: 17.5px; }
  .nw-grid { grid-template-columns: 1fr; gap: 20px; }
  .nw-card-featured { grid-column: span 1; }
  .nw-card-featured .nw-card-cover { aspect-ratio: 16 / 10; }
  .nw-card-featured .nw-card-title { font-size: 20px; }
  .nw-factcard { grid-template-columns: 1fr; }
  .nw-mini-grid { grid-template-columns: 1fr; }
  .nw-prevnext { grid-template-columns: 1fr; }
  .nw-pn-next { text-align: left; }
  .nw-arc-list li { flex-wrap: wrap; gap: 8px; }
  .nw-arc-list a { flex: 1 1 100%; order: 3; }
  .nw-hero h1 { font-size: 30px; }
}
@media (max-width: 420px) {
  .nw-filter-item { padding: 7px 13px; font-size: 13px; }
  .nw-post-head h1 { font-size: 23px; }
  .nw-pager-btn, .nw-pager-num { min-width: 38px; height: 38px; padding: 0 12px; font-size: 13px; }
}