/* ============================================================
   车车新能源官方网站 - 全站样式
   品牌主色: 绿色 #009944 / 深色 #0d1f14
   ============================================================ */
:root {
  --green: #009944;
  --green-dark: #007a37;
  --green-light: #e6f5ec;
  --ink: #152420;
  --ink-soft: #4a5c54;
  --bg: #ffffff;
  --bg-alt: #f6faf7;
  --card: #ffffff;
  --line: #e3ede7;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(13, 60, 34, .08);
  --shadow-lg: 0 14px 40px rgba(13, 60, 34, .14);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 11px;
  background: linear-gradient(135deg, var(--green), #22c55e);
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,153,68,.35);
}
.logo-text strong { display: block; font-size: 18px; letter-spacing: 1px; color: var(--ink); line-height: 1.2; }
.logo-text em { display: block; font-style: normal; font-size: 11px; color: var(--green); letter-spacing: 2px; }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { font-size: 15px; color: var(--ink-soft); position: relative; padding: 6px 0; transition: color .2s; }
.main-nav a:hover { color: var(--green); }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--green); border-radius: 2px; transition: width .25s;
}
.main-nav a:hover::after { width: 100%; }
.nav-phone {
  background: var(--green); color: #fff !important; padding: 8px 16px !important;
  border-radius: 999px; font-weight: 600; font-size: 14px !important;
}
.nav-phone::after { display: none !important; }
.nav-phone:hover { background: var(--green-dark); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(34,197,94,.18), transparent 60%),
    radial-gradient(700px 400px at -10% 30%, rgba(0,153,68,.12), transparent 55%),
    linear-gradient(160deg, #0d1f14 0%, #12331f 55%, #0f2a1a 100%);
  color: #fff; position: relative; overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
  padding: 84px 0 110px;
}
.hero-tag {
  display: inline-block; font-size: 13px; letter-spacing: 1px;
  border: 1px solid rgba(255,255,255,.3); border-radius: 999px;
  padding: 6px 16px; margin-bottom: 22px; color: #a7e8c3;
}
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.15; letter-spacing: 2px; }
.hero h1 span { display: block; background: linear-gradient(90deg, #4ade80, #a7f3d0); -webkit-background-clip: text; background-clip: text; color: transparent; margin-top: 6px; }
.hero-sub { margin: 20px 0 30px; font-size: 17px; color: #c8dfd1; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px;
  font-size: 16px; font-weight: 600; cursor: pointer; border: 0; transition: .25s;
}
.btn-primary { background: linear-gradient(135deg, #22c55e, var(--green)); color: #fff; box-shadow: 0 8px 20px rgba(34,197,94,.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(34,197,94,.5); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, auto); gap: 28px;
  margin-top: 44px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stats strong { display: block; font-size: 24px; color: #4ade80; }
.hero-stats span { font-size: 12.5px; color: #9dbca9; }
.hero-img { position: relative; }
.hero-img img {
  width: 100%; border-radius: 18px; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.18);
}
.hero-img-badge {
  position: absolute; left: 18px; bottom: 18px; background: rgba(13,31,20,.78);
  color: #d9f5e5; font-size: 13px; padding: 8px 16px; border-radius: 999px;
  backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.2);
}
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; }
.hero-wave svg { display: block; width: 100%; height: 60px; }

/* ---------- 轮播图 ---------- */
.banner-slider { position: relative; overflow: hidden; background: #0d1f14; }
.banner-track { position: relative; height: 400px; }
.banner-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; }
.banner-slide.active { opacity: 1; }
.banner-slide img { width: 100%; height: 100%; object-fit: cover; }
.banner-caption {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  background: rgba(13,31,20,.72); color: #fff; padding: 10px 22px; border-radius: 999px;
  font-size: 15px; backdrop-filter: blur(6px); white-space: nowrap;
}
.banner-caption h3 { font-size: 15px; font-weight: 600; letter-spacing: 1px; }
.bn-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(0,0,0,.32); color: #fff; font-size: 30px; line-height: 1; transition: .2s;
}
.bn-nav:hover { background: var(--green); }
.bn-prev { left: 20px; }
.bn-next { right: 20px; }
.bn-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 5; display: flex; gap: 8px; }
.bn-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; transition: .25s; }
.bn-dot.active { background: var(--green); width: 22px; border-radius: 999px; }

/* ---------- 通用 Section ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head.left { text-align: left; }
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px); letter-spacing: 2px; position: relative; display: inline-block; padding-bottom: 16px;
}
.section-head h2::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 46px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--green), #22c55e);
}
.section-head.left h2::after { left: 0; transform: none; }
.section-head p { color: var(--ink-soft); margin-top: 10px; }

/* ---------- 服务项目 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; transition: .3s; position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green), #22c55e); transform: scaleX(0); transition: .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 58px; height: 58px; border-radius: 14px; color: var(--green);
  background: var(--green-light); display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; transition: .3s;
}
.service-card:hover .service-icon { background: var(--green); color: #fff; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.8; }
.service-link { display: block; color: inherit; }
.service-more { display: inline-block; margin-top: 14px; font-size: 13.5px; color: var(--green); font-weight: 600; }

/* ---------- 核心优势 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-card {
  background: linear-gradient(160deg, #ffffff, #f0f9f3);
  border-radius: var(--radius); padding: 30px 24px;
  border: 1px solid var(--line); transition: .3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-num {
  font-size: 34px; font-weight: 800; color: transparent;
  -webkit-text-stroke: 1.5px var(--green); margin-bottom: 14px; line-height: 1;
}
.feature-card h3 { font-size: 17.5px; margin-bottom: 10px; }
.feature-card p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 理赔流程 ---------- */
.process-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.step {
  text-align: center; padding: 34px 22px; background: var(--card);
  border-radius: var(--radius); border: 1px solid var(--line); position: relative; transition: .3s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step i {
  font-style: normal; width: 52px; height: 52px; margin: 0 auto 16px;
  border-radius: 50%; background: linear-gradient(135deg, var(--green), #22c55e);
  color: #fff; font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(0,153,68,.35);
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--ink-soft); }
.step:not(:last-child)::after {
  content: "→"; position: absolute; right: -19px; top: 50%; transform: translateY(-50%);
  color: var(--green); font-size: 20px; font-weight: 700; z-index: 2;
}

/* ---------- 关于我们 ---------- */
.about-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 52px; align-items: center; }
.about-img img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.about-text > p { color: var(--ink-soft); font-size: 15px; text-align: justify; }
.about-points { margin-top: 22px; list-style: none; }
.about-points li { padding: 7px 0; font-size: 15px; color: var(--ink); }

/* ---------- 联系我们 ---------- */
.contact-section { background: linear-gradient(160deg, #0d1f14, #12331f); color: #fff; }
.contact-section .section-head h2 { color: #fff; }
.contact-section .section-head p { color: #9dbca9; }
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.info-list { list-style: none; margin: 6px 0 26px; }
.info-list li {
  display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px dashed rgba(255,255,255,.16);
  font-size: 15px;
}
.info-list span { color: #8fae9c; min-width: 88px; }
.info-list strong { font-weight: 600; color: #eafff2; word-break: break-all; }
.info-list a:hover { color: #4ade80; }
.qr-row { display: flex; gap: 26px; }
.qr-row figure { text-align: center; }
.qr-row img {
  width: 118px; height: 118px; object-fit: cover; border-radius: 12px;
  background: #fff; padding: 6px; box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.qr-row figcaption { font-size: 12.5px; color: #9dbca9; margin-top: 8px; }
.contact-form-wrap {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius); padding: 34px 32px; backdrop-filter: blur(8px);
}
.contact-form-wrap h3 { font-size: 21px; margin-bottom: 6px; }
.form-tip { font-size: 13.5px; color: #9dbca9; margin-bottom: 20px; }
.contact-form-wrap input, .contact-form-wrap textarea {
  width: 100%; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px; color: #fff; padding: 13px 15px; font-size: 15px; margin-bottom: 14px;
  font-family: inherit; transition: border-color .2s; resize: vertical;
}
.contact-form-wrap input::placeholder, .contact-form-wrap textarea::placeholder { color: #7e9a8b; }
.contact-form-wrap input:focus, .contact-form-wrap textarea:focus { outline: none; border-color: #4ade80; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.btn-block { width: 100%; font-size: 16.5px; }
.form-result { margin-top: 12px; font-size: 14px; min-height: 22px; color: #a7e8c3; }
.form-result.err { color: #fca5a5; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0a1810; color: #b9cdc1; padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr .8fr 1.1fr 1fr; gap: 34px; padding-bottom: 44px; }
.footer-col h3, .footer-col h4 { color: #fff; font-size: 16.5px; margin-bottom: 16px; }
.footer-col h3 { font-size: 19px; letter-spacing: 1px; }
.footer-about p { line-height: 1.9; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.footer-badges span {
  font-size: 12px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 4px 12px; color: #a7e8c3;
}
.footer-col ul { list-style: none; }
.footer-col li { padding: 4px 0; }
.footer-col a:hover { color: #4ade80; }
.addr { line-height: 1.9; }
.map-link { display: inline-block; margin-top: 10px; color: #4ade80; }
.footer-qr .qr-row { gap: 18px; }
.footer-qr img { width: 96px; height: 96px; }
.footer-qr figcaption { color: #8fae9c; }
.copyright {
  border-top: 1px solid rgba(255,255,255,.1); text-align: center;
  padding: 18px 0; font-size: 12.5px; color: #6e8a7b;
}
.copyright a { color: #8fae9c; }
.copyright a:hover { color: #4ade80; }

/* ---------- 右侧悬浮咨询按钮 ---------- */
.side-float { position: fixed; right: 16px; bottom: 130px; z-index: 95; display: flex; flex-direction: column; gap: 8px; }
.sf-btn {
  width: 58px; padding: 10px 0 8px; display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--green); color: #fff; border: 0; border-radius: 12px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,153,68,.35); transition: .2s; text-decoration: none;
}
.sf-btn svg { width: 22px; height: 22px; }
.sf-btn span { font-size: 10px; line-height: 1; }
.sf-btn:hover { background: var(--green-dark); transform: translateY(-2px); }
#sfTop { background: #fff; color: var(--green); border: 1px solid var(--green); box-shadow: 0 4px 14px rgba(0,0,0,.12); }
#sfTop:hover { background: var(--green); color: #fff; }

/* 微信咨询弹窗 */
.wechat-pop {
  position: fixed; right: 86px; bottom: 130px; z-index: 96; width: 290px;
  background: #fff; border-radius: 16px; padding: 22px 18px 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,.2); display: none;
}
.wechat-pop.open { display: block; }
.wp-close { position: absolute; top: 6px; right: 14px; cursor: pointer; font-size: 24px; color: #aaa; line-height: 1; }
.wp-title { text-align: center; font-weight: 700; font-size: 16px; margin-bottom: 14px; color: var(--ink); }
.wp-qr { display: flex; gap: 18px; justify-content: center; }
.wp-qr figure { text-align: center; }
.wp-qr img { width: 104px; height: 104px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.wp-qr figcaption { font-size: 12px; color: #8fa096; margin-top: 6px; }
.wp-phone { text-align: center; margin-top: 14px; font-size: 13px; color: var(--green); font-weight: 600; }

/* ---------- 移动端快捷栏 ---------- */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  background: #fff; box-shadow: 0 -4px 16px rgba(0,0,0,.1);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a { flex: 1; text-align: center; padding: 13px 0; font-size: 15px; font-weight: 600; }
.mb-call { background: var(--green); color: #fff !important; }
.mb-msg { background: #fff; color: var(--green) !important; border-top: 1px solid var(--line); }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding: 20px 0 0; font-size: 13.5px; color: var(--ink-soft); }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span { margin: 0 8px; color: #c3d3ca; }
.breadcrumb strong { color: var(--green); font-weight: 600; }

/* ---------- 案例展示 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); transition: .3s; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-link { display: block; color: inherit; }
.case-img { height: 170px; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.case-card:hover .case-img img { transform: scale(1.06); }
.case-body { padding: 18px 20px 22px; }
.case-tag { display: inline-block; font-size: 12px; color: var(--green); background: var(--green-light); border-radius: 999px; padding: 3px 12px; margin-bottom: 10px; }
.case-body h3 { font-size: 16.5px; margin-bottom: 8px; }
.case-body p { font-size: 13px; color: var(--ink-soft); }

/* ---------- 文章列表 ---------- */
.article-list { max-width: 860px; margin: 0 auto; }
.article-item { padding: 22px 24px; background: var(--card); border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 16px; transition: .25s; }
.article-item:hover { border-color: var(--green); box-shadow: var(--shadow); }
.article-item h3 { font-size: 17.5px; margin-bottom: 8px; }
.article-item h3 a:hover { color: var(--green); }
.article-summary { font-size: 14px; color: var(--ink-soft); }
.article-meta { font-size: 12.5px; color: #9ab1a4; margin-top: 8px; }
.article-meta .mini-tag { margin: 0 4px; }
.article-meta > span { margin-left: 12px; }

/* 案例详情封面 */
.case-cover { margin: 16px 0 22px; }
.case-cover img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }

/* 案例多图相册 */
.case-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 22px; }
.gallery-item {
  position: relative; border-radius: 10px; overflow: hidden; cursor: zoom-in;
  border: 1px solid var(--line); transition: .25s;
}
.gallery-item img { width: 100%; height: 160px; object-fit: cover; display: block; transition: .35s; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
.gallery-item:first-child img { height: 100%; min-height: 332px; }
.gallery-main-badge {
  position: absolute; left: 10px; top: 10px; background: var(--green); color: #fff;
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
}

/* 灯箱 */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.9);
  align-items: center; justify-content: center; padding: 24px; cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img#lbImg { max-width: 100%; max-height: 78vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); cursor: default; }
.lb-close {
  position: absolute; top: 18px; right: 24px; color: #fff; font-size: 40px; line-height: 1;
  cursor: pointer; padding: 4px 12px; user-select: none; z-index: 3;
}
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.16); color: #fff; font-size: 34px; line-height: 1;
  transition: .2s; user-select: none;
}
.lb-nav:hover { background: var(--green); }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }
.lb-counter {
  position: absolute; top: 18px; left: 24px; color: #fff; font-size: 14px; z-index: 3;
  background: rgba(0,0,0,.35); padding: 4px 12px; border-radius: 999px;
}
.lb-thumbs {
  position: absolute; left: 0; right: 0; bottom: 20px; z-index: 3;
  display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; padding: 0 16px;
}
.lb-thumb {
  width: 64px; height: 46px; object-fit: cover; border-radius: 6px; cursor: pointer;
  border: 2px solid transparent; opacity: .6; transition: .2s;
}
.lb-thumb:hover { opacity: 1; }
.lb-thumb.active { border-color: var(--green); opacity: 1; }

/* 文章上一篇/下一篇 */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.pager-item {
  display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px;
  transition: .2s; background: #fff;
}
a.pager-item:hover { border-color: var(--green); box-shadow: var(--shadow); }
.pager-item span { display: block; font-size: 12px; color: #9ab1a4; margin-bottom: 4px; }
.pager-item strong { font-size: 15px; color: var(--ink); font-weight: 600; }
.pager-next { text-align: right; }
.pager-disabled { opacity: .55; }

/* 分类 / 标签筛选 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 14px; }
.filter-bar a {
  padding: 7px 18px; border-radius: 999px; border: 1px solid var(--line);
  font-size: 14px; color: var(--ink-soft); transition: .2s; background: #fff;
}
.filter-bar a:hover, .filter-bar a.on { background: var(--green); border-color: var(--green); color: #fff; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 18px; }
.tag-cloud a {
  font-size: 12.5px; color: var(--ink-soft); background: var(--bg-alt);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; transition: .2s;
}
.tag-cloud a:hover, .tag-cloud a.on { color: #fff; background: var(--green); border-color: var(--green); }
.filter-title { text-align: center; margin-bottom: 20px; color: var(--ink-soft); font-size: 14px; }
.filter-title strong { color: var(--green); }
.mini-tag {
  display: inline-block; font-size: 12px; color: var(--green); background: var(--green-light);
  border-radius: 999px; padding: 2px 10px; transition: .2s;
}
.mini-tag:hover { background: var(--green); color: #fff; }

/* ---------- 详情页 ---------- */
.detail-hero { padding: 40px 0 8px; }
.detail-head { text-align: center; max-width: 720px; margin: 0 auto; }
.detail-head h1 { font-size: clamp(26px, 3.6vw, 38px); margin: 18px 0 12px; letter-spacing: 1px; }
.detail-sub { color: var(--ink-soft); font-size: 15px; margin-bottom: 24px; }
.service-icon.big { width: 78px; height: 78px; border-radius: 20px; margin: 0 auto; }
.service-icon.big svg { width: 40px; height: 40px; }
.detail-head .hero-actions { justify-content: center; }
.detail-head .btn-ghost { color: var(--ink); border-color: var(--green); }

.detail-body { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.article-content { font-size: 15.5px; line-height: 2; color: var(--ink); text-align: justify; }
.article-content h1 { font-size: 26px; margin-bottom: 8px; }
.article-content p { margin-bottom: 16px; }
.article-cta { margin-top: 28px; padding: 22px; background: var(--green-light); border-radius: var(--radius); text-align: center; }
.article-cta p { margin-bottom: 14px; color: var(--ink-soft); }
.article-cta .btn-ghost { color: var(--ink); border-color: var(--green); }

.detail-side { position: sticky; top: 88px; }
.detail-side h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--green); }
.side-list { list-style: none; }
.side-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.side-list a { color: var(--ink-soft); }
.side-list a:hover { color: var(--green); }
.side-cta { margin-top: 22px; background: linear-gradient(160deg, #0d1f14, #12331f); color: #fff; border-radius: var(--radius); padding: 22px; text-align: center; }
.side-cta h3 { color: #fff; border: 0; }
.side-cta p { font-size: 18px; font-weight: 700; color: #4ade80; margin-bottom: 14px; }

.section-more { text-align: center; margin-top: 30px; }
.section-more .btn-ghost { color: var(--ink); border-color: var(--green); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .service-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .process-flow { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .step::after { display: none; }
  .hero-inner { grid-template-columns: 1fr; padding: 60px 0 90px; }
  .about-wrap { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .detail-body { grid-template-columns: 1fr; }
  .detail-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .main-nav {
    position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
    background: #fff; flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 0; box-shadow: 0 12px 24px rgba(0,0,0,.12);
    transform: translateY(-130%); transition: transform .35s ease;
  }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 14px 6%; border-bottom: 1px solid var(--line); }
  .main-nav a::after { display: none; }
  .nav-phone { margin: 12px 6% 4px; text-align: center; border-radius: 999px; }
  .nav-toggle { display: block; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .hero h1 { letter-spacing: 1px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .section { padding: 60px 0; }
  .service-grid, .feature-grid, .process-flow, .case-grid, .form-row { grid-template-columns: 1fr; }
  .case-gallery { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 2; grid-row: span 1; }
  .gallery-item:first-child img { min-height: 0; height: 200px; }
  .pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; }
  .lb-nav { width: 40px; height: 40px; font-size: 26px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-thumb { width: 48px; height: 36px; }
  .banner-track { height: 220px; }
  .bn-nav { width: 36px; height: 36px; font-size: 24px; }
  .bn-prev { left: 8px; }
  .bn-next { right: 8px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .qr-row img { width: 104px; height: 104px; }
  body { padding-bottom: 52px; }
  .mobile-bar { display: flex; }
  .contact-form-wrap { padding: 26px 20px; }
  .side-float { display: none; }
  .wechat-pop { display: none !important; }
}