/* ============================================================
   中融熠达官网 · 前台样式
   商务简约 · 主色商务蓝 · PC / 移动端自适应
   ============================================================ */

:root {
  --blue-900: #071f42;
  --blue-800: #0b2f6b;
  --blue-700: #124a9c;
  --blue-600: #1657b8;
  --blue-500: #2372e0;
  --blue-400: #4a90f0;
  --blue-100: #e8f0fb;
  --blue-50: #f4f8fe;
  --ink: #0e1f36;
  --text: #45586f;
  --muted: #7b8ca3;
  --line: #e3eaf4;
  --bg: #f5f8fd;
  --white: #fff;
  --shadow-sm: 0 2px 10px rgba(15, 45, 90, 0.05);
  --shadow-md: 0 12px 30px rgba(15, 45, 90, 0.09);
  --shadow-lg: 0 24px 60px rgba(10, 35, 75, 0.16);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1200px;
  --header-h: 76px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
    system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--blue-600); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 600; line-height: 1.35; }
p { margin: 0 0 1em; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }

/* 图标默认尺寸（具体位置如有单独设定会覆盖） */
svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn svg, .item-card__toggle svg, .service-card__more svg, .news-card__more svg,
.news-item__arrow svg, .article__nav svg, .cta-band__actions svg { width: 15px; height: 15px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 64px 0; }
.section--soft { background: var(--bg); }
.mt-0 { margin-top: 0; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.28s ease;
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
  box-shadow: 0 10px 24px rgba(22, 87, 184, 0.26);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 32px rgba(22, 87, 184, 0.34); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; background: rgba(255, 255, 255, 0.06); }
.btn--ghost:hover { background: #fff; color: var(--blue-700); border-color: #fff; }
.btn--line { border-color: var(--line); color: var(--blue-700); background: #fff; }
.btn--line:hover { border-color: var(--blue-500); color: var(--blue-600); box-shadow: var(--shadow-sm); }
.btn--sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(180%) blur(12px);
  transition: box-shadow 0.3s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(15, 45, 90, 0.08); }
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo__img { display: block; height: 40px; width: auto; object-fit: contain; }
.footer-brand .logo__img { height: 44px; }
.logo__text strong { display: block; font-size: 18px; color: var(--ink); letter-spacing: 1px; line-height: 1.3; }
.logo__text span { display: block; font-size: 11px; color: var(--muted); letter-spacing: 2px; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > li > a {
  display: block;
  padding: 0 16px;
  line-height: var(--header-h);
  font-size: 15px;
  color: var(--ink);
  position: relative;
}
.nav > li > a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-500);
  transform: scaleX(0);
  transition: transform 0.28s ease;
}
.nav > li > a:hover { color: var(--blue-600); }
.nav > li > a:hover::after,
.nav > li.active > a::after { transform: scaleX(1); }
.nav > li.active > a { color: var(--blue-600); font-weight: 500; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--blue-700); font-size: 16px; letter-spacing: 0.5px; }
.header-phone svg { width: 18px; height: 18px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px;
  background: var(--blue-800); transition: all 0.3s ease;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
body.nav-open .nav-toggle span:nth-child(1) { top: 21px; transform: rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 40px rgba(10, 35, 75, 0.14);
  transform: translateY(-130%);
  transition: transform 0.36s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 89;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}
body.nav-open .mobile-nav { transform: translateY(0); }
.mobile-nav ul { padding: 8px 20px 20px; }
.mobile-nav li { border-bottom: 1px solid var(--line); }
.mobile-nav li:last-child { border-bottom: 0; }
.mobile-nav a { display: flex; justify-content: space-between; align-items: center; padding: 15px 4px; font-size: 16px; color: var(--ink); }
.mobile-nav a::after { content: "›"; color: var(--muted); font-size: 20px; }
.mobile-nav .btn { margin-top: 14px; }
.mobile-nav__foot { padding: 0 20px 24px; }
.mobile-nav__phone { display: flex; align-items: center; gap: 8px; color: var(--blue-700); font-weight: 600; padding-bottom: 12px; }

/* ---------------- 首页轮播 ---------------- */
.hero { position: relative; overflow: hidden; background: var(--blue-900); }
.hero__slides { position: relative; height: 640px; }
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s ease, visibility 0.9s;
}
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 2; }
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.06);
  transition: transform 7s linear;
}
.hero__slide.is-active .hero__bg { transform: scale(1); }
.hero__slide::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(5, 24, 52, 0.94) 0%, rgba(6, 30, 64, 0.82) 42%, rgba(7, 34, 74, 0.35) 100%);
}
.hero__inner { position: relative; z-index: 3; height: 100%; display: flex; align-items: center; }
.hero__content { max-width: 640px; color: #fff; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 3px; color: #9ec6ff; margin-bottom: 18px;
  text-transform: uppercase;
}
.hero__eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; opacity: 0.7; }
.hero__title {
  font-size: clamp(30px, 3.6vw, 50px);
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.25;
  margin-bottom: 18px;
}
.hero__desc { font-size: 17px; color: rgba(255, 255, 255, 0.82); line-height: 1.9; margin-bottom: 34px; max-width: 560px; word-break: break-word; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__slide.is-active .hero__eyebrow,
.hero__slide.is-active .hero__title,
.hero__slide.is-active .hero__desc,
.hero__slide.is-active .hero__actions { animation: heroIn 0.8s both; }
.hero__slide.is-active .hero__title { animation-delay: 0.08s; }
.hero__slide.is-active .hero__desc { animation-delay: 0.16s; }
.hero__slide.is-active .hero__actions { animation-delay: 0.24s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.hero__control {
  position: absolute; z-index: 5; left: 0; right: 0;
  bottom: 30px;
  pointer-events: none;
}
.hero__control .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hero__dots { display: flex; gap: 10px; pointer-events: auto; }
.hero__dot {
  width: 34px; height: 4px; border-radius: 2px; border: 0;
  background: rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}
.hero__dot.is-active { background: #fff; width: 54px; }
.hero__arrows { display: flex; gap: 10px; pointer-events: auto; }
.hero__arrow {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #fff; font-size: 18px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s ease;
}
.hero__arrow:hover { background: #fff; color: var(--blue-700); }
.hero__index { color: rgba(255, 255, 255, 0.6); font-size: 13px; letter-spacing: 2px; }
.hero__index b { color: #fff; font-size: 18px; font-weight: 600; }

/* ---------------- 通用标题 ---------------- */
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head--left { margin-left: 0; text-align: left; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2.5px; color: var(--blue-600);
  text-transform: uppercase; margin-bottom: 12px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--blue-500); border-radius: 2px; }
.section-title { font-size: clamp(24px, 2.4vw, 34px); letter-spacing: 0.5px; }
.section-title span { color: var(--blue-600); }
.section-desc { color: var(--muted); margin: 14px 0 0; font-size: 15px; line-height: 1.9; }

/* ---------------- 首页企业简介 ---------------- */
.about-brief { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.about-brief__media { position: relative; }
.about-brief__media img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; aspect-ratio: 4/3.1; object-fit: cover; }
.about-brief__badge {
  position: absolute; right: -22px; bottom: -22px;
  background: #fff; border-radius: var(--radius-sm); padding: 18px 24px;
  box-shadow: var(--shadow-lg); text-align: center;
}
.about-brief__badge b { display: block; font-size: 32px; color: var(--blue-600); line-height: 1.2; }
.about-brief__badge span { font-size: 13px; color: var(--muted); }
.about-brief__body .section-head { margin-bottom: 22px; }
.about-brief__body p { color: var(--text); font-size: 15.5px; line-height: 1.95; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 26px 0 32px; }
.about-points li { display: flex; align-items: flex-start; gap: 10px; color: var(--ink); font-size: 15px; }
.about-points svg { width: 20px; height: 20px; color: var(--blue-500); flex-shrink: 0; margin-top: 3px; }

/* ---------------- 数据条 ---------------- */
.stats { background: linear-gradient(120deg, var(--blue-800), var(--blue-700) 60%, var(--blue-600)); position: relative; overflow: hidden; }
.stats::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.16), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.1), transparent 40%);
}
.stats .container { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; color: #fff; padding: 8px 0; border-right: 1px solid rgba(255, 255, 255, 0.16); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 40px; font-weight: 600; letter-spacing: 1px; line-height: 1.2; }
.stat b small { font-size: 18px; font-weight: 400; margin-left: 2px; }
.stat span { font-size: 14px; color: rgba(255, 255, 255, 0.72); letter-spacing: 1px; }

/* ---------------- 服务卡片 ---------------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px 26px; position: relative; overflow: hidden;
  transition: all 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex; flex-direction: column;
}
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #cfe0f6; }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--blue-50); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; transition: all 0.3s ease;
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card:hover .service-card__icon { background: var(--blue-600); color: #fff; box-shadow: 0 10px 22px rgba(22, 87, 184, 0.28); }
.service-card h3 { font-size: 19px; margin-bottom: 8px; }
.service-card p { color: var(--muted); font-size: 14px; line-height: 1.85; margin-bottom: 18px; flex: 1; }
.service-card__foot { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px dashed var(--line); }
.service-card__meta { font-size: 13px; color: var(--blue-600); font-weight: 500; }
.service-card__more { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 4px; transition: all 0.25s; white-space: nowrap; }
.service-card:hover .service-card__more { color: var(--blue-600); transform: translateX(3px); }
.service-card__chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.service-card__chips span { font-size: 12px; color: var(--blue-700); background: var(--blue-50); border-radius: 4px; padding: 3px 8px; }

/* ---------------- 案例卡片 ---------------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: all 0.32s ease; display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-card__media { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.case-card:hover .case-card__media img { transform: scale(1.06); }
.case-card__tag {
  position: absolute; left: 14px; top: 14px;
  background: rgba(255, 255, 255, 0.92); color: var(--blue-700);
  font-size: 12px; padding: 4px 10px; border-radius: 4px; letter-spacing: 0.5px;
}
.case-card__body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.case-card__body h3 { font-size: 17px; line-height: 1.55; margin-bottom: 8px; }
.case-card__body p { color: var(--muted); font-size: 13.5px; line-height: 1.8; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------- 新闻 ---------------- */
.news-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 56px; align-items: start; }
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid; grid-template-columns: 92px 1fr 44px; gap: 22px; align-items: center;
  padding: 24px 4px; border-bottom: 1px solid var(--line);
  transition: all 0.28s ease;
}
.news-item:hover { background: var(--blue-50); padding-left: 14px; padding-right: 14px; }
.news-item__date { text-align: center; border-right: 1px solid var(--line); }
.news-item__date b { display: block; font-size: 24px; color: var(--blue-700); line-height: 1.2; }
.news-item__date span { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.news-item__body h3 { font-size: 16.5px; margin-bottom: 6px; line-height: 1.6; }
.news-item:hover .news-item__body h3 { color: var(--blue-600); }
.news-item__body p { font-size: 13.5px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-item__arrow { color: #b9c8da; display: flex; justify-content: flex-end; transition: all 0.28s; }
.news-item:hover .news-item__arrow { color: var(--blue-500); transform: translateX(4px); }

.news-aside { background: var(--blue-50); border-radius: var(--radius); padding: 30px 28px; border: 1px solid #e0ebf9; }
.news-aside h3 { font-size: 18px; margin-bottom: 10px; }
.news-aside p { font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.news-aside .btn { margin-top: 8px; }
.news-aside__phone { display: block; font-size: 22px; font-weight: 600; color: var(--blue-700); letter-spacing: 0.5px; margin: 16px 0 6px; }

/* ---------------- CTA 联系条 ---------------- */
.cta-band { background: linear-gradient(120deg, var(--blue-800), var(--blue-600)); color: #fff; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; right: -60px; top: -80px; width: 380px; height: 380px;
  border-radius: 50%; border: 60px solid rgba(255, 255, 255, 0.06);
}
.cta-band .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.4vw, 30px); margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, 0.75); margin: 0; font-size: 15px; }
.cta-band__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------------- 内页头部 ---------------- */
.page-hero {
  background: linear-gradient(115deg, var(--blue-900), var(--blue-700) 65%, var(--blue-600));
  color: #fff; padding: 58px 0 54px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(26px, 3vw, 38px); letter-spacing: 1px; }
.page-hero p { color: rgba(255, 255, 255, 0.72); margin: 12px 0 0; max-width: 640px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.65); margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span.sep { opacity: 0.5; }

/* ---------------- 关于我们 ---------------- */
.about-intro { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.about-intro__media img { border-radius: var(--radius); box-shadow: var(--shadow-md); aspect-ratio: 4/3; object-fit: cover; }
.rich { color: var(--text); font-size: 15.5px; line-height: 1.95; }
.rich p { margin: 0 0 1.1em; }
.rich p:last-child { margin-bottom: 0; }
.rich h3 { font-size: 19px; margin: 1.6em 0 0.7em; }
.rich h4 { font-size: 17px; margin: 1.4em 0 0.6em; }
.rich ul, .rich ol { margin: 0 0 1.2em; padding-left: 0; }
.rich ul li, .rich ol li { position: relative; padding-left: 20px; margin-bottom: 0.55em; }
.rich ul li::before { content: ""; position: absolute; left: 2px; top: 0.72em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-400); }
.rich ol { counter-reset: li; }
.rich ol li::before { counter-increment: li; content: counter(li) "."; color: var(--blue-600); font-weight: 600; left: 0; top: 0; width: auto; height: auto; background: none; }
.rich strong { color: var(--ink); }
.rich img { border-radius: var(--radius-sm); margin: 1.2em 0; }
.rich a { color: var(--blue-600); text-decoration: underline; }
.rich blockquote { margin: 1.4em 0; padding: 16px 22px; background: var(--blue-50); border-left: 3px solid var(--blue-500); color: var(--blue-800); border-radius: 0 8px 8px 0; }

.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--blue-400), #dbe7f7); }
.timeline-item { position: relative; padding: 0 0 34px 22px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -26px; top: 6px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue-500); box-shadow: 0 0 0 4px rgba(35, 114, 224, 0.12);
}
.timeline-item__year { font-size: 21px; font-weight: 600; color: var(--blue-600); letter-spacing: 1px; line-height: 1.3; }
.timeline-item h3 { font-size: 16px; margin: 4px 0 6px; }
.timeline-item p { color: var(--muted); font-size: 14px; margin: 0; }
.timeline-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 48px; }
.timeline-grid .timeline { padding-left: 0; }
.timeline-grid .timeline::before { display: none; }
.timeline-grid .timeline-item { padding-left: 30px; }
.timeline-grid .timeline-item::before { left: 0; }

.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: all 0.3s ease; }
.adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.adv-card__icon { width: 46px; height: 46px; border-radius: 10px; background: var(--blue-50); color: var(--blue-600); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.adv-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.adv-card p { font-size: 13.5px; color: var(--muted); margin: 0; line-height: 1.85; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all 0.3s ease; }
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.team-card__photo { aspect-ratio: 1/1.02; overflow: hidden; background: var(--blue-50); }
.team-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card__body { padding: 18px 20px 22px; }
.team-card__body h3 { font-size: 17px; margin-bottom: 2px; }
.team-card__role { display: block; font-size: 12.5px; color: var(--blue-600); margin-bottom: 10px; }
.team-card__body p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.8; }

/* ---------------- 服务列表页 ---------------- */
.service-list { display: flex; flex-direction: column; gap: 26px; }
.service-block {
  display: grid; grid-template-columns: 320px 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all 0.3s ease;
}
.service-block:hover { box-shadow: var(--shadow-md); border-color: #cfe0f6; }
.service-block__media { position: relative; min-height: 260px; overflow: hidden; }
.service-block__media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform 0.7s ease; }
.service-block:hover .service-block__media img { transform: scale(1.05); }
.service-block__num { position: absolute; left: 20px; top: 16px; font-size: 40px; font-weight: 700; color: rgba(255, 255, 255, 0.85); line-height: 1; letter-spacing: 1px; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2); }
.service-block__body { padding: 32px 34px; }
.service-block__body h2 { font-size: 22px; margin-bottom: 6px; }
.service-block__sub { color: var(--blue-600); font-size: 13.5px; letter-spacing: 0.5px; margin-bottom: 14px; }
.service-block__body > p { color: var(--muted); font-size: 14.5px; line-height: 1.9; margin-bottom: 18px; }
.chip-links { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip-links a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; border: 1px solid var(--line); border-radius: 6px;
  font-size: 13px; color: var(--text); background: var(--blue-50);
  transition: all 0.25s ease;
}
.chip-links a:hover { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.chip-links a::after { content: "›"; opacity: 0.6; }
.service-block__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.service-block__price { font-size: 14px; color: var(--blue-700); font-weight: 600; background: var(--blue-50); padding: 6px 12px; border-radius: 6px; }

/* ---------------- 服务详情页 ---------------- */
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.detail-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 44px 44px; }
.detail-main__head { padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.detail-main__head h1 { font-size: 28px; margin-bottom: 10px; }
.detail-main__meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); }
.detail-main__meta .tag { background: var(--blue-50); color: var(--blue-600); padding: 3px 10px; border-radius: 4px; font-size: 12px; }
.detail-cover { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 28px; }
.detail-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

.item-list { display: grid; gap: 16px; }
.item-card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 24px 26px; transition: all 0.3s ease; background: #fff; }
.item-card:hover { border-color: #bcd4f2; box-shadow: var(--shadow-sm); }
.item-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
.item-card__head h3 { font-size: 17.5px; display: flex; align-items: center; gap: 10px; }
.item-card__head h3 .idx { width: 28px; height: 28px; border-radius: 8px; background: var(--blue-50); color: var(--blue-600); font-size: 13px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.item-card__price { font-size: 13px; color: #c2410c; background: #fff5ed; padding: 3px 10px; border-radius: 4px; white-space: nowrap; }
.item-card__summary { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.item-card .rich { font-size: 14.5px; }
.item-card__toggle { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--blue-600); margin-top: 12px; }
.item-card__more { display: none; margin-top: 14px; padding-top: 16px; border-top: 1px dashed var(--line); }
.item-card.is-open .item-card__more { display: block; }
.item-card.is-open .item-card__toggle { color: var(--muted); }

.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; margin-bottom: 20px; }
.side-card h3 { font-size: 16.5px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.side-nav li { border-bottom: 1px dashed var(--line); }
.side-nav li:last-child { border-bottom: 0; }
.side-nav a { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; font-size: 14.5px; color: var(--text); }
.side-nav a::after { content: "›"; color: #c3d3e6; }
.side-nav a:hover, .side-nav a.is-active { color: var(--blue-600); }
.side-nav a.is-active::after { color: var(--blue-500); }
.side-contact { background: linear-gradient(150deg, var(--blue-800), var(--blue-600)); color: #fff; border: 0; }
.side-contact h3 { color: #fff; border-color: rgba(255, 255, 255, 0.2); }
.side-contact p { font-size: 13.5px; color: rgba(255, 255, 255, 0.72); margin-bottom: 14px; }
.side-contact .phone { font-size: 21px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 16px; }
.side-contact .btn { background: #fff; color: var(--blue-700); border: 0; box-shadow: none; }
.side-contact .btn:hover { transform: none; background: var(--blue-50); }

/* ---------------- 案例 / 新闻列表 ---------------- */
.filter-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-bar button {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 30px; padding: 7px 18px; font-size: 14px; transition: all 0.25s ease;
}
.filter-bar button:hover { border-color: var(--blue-400); color: var(--blue-600); }
.filter-bar button.is-active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

.news-page { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.news-cards { display: grid; gap: 24px; }
.news-card { display: grid; grid-template-columns: 260px 1fr; gap: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all 0.3s ease; }
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.news-card__media { overflow: hidden; min-height: 180px; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.news-card:hover .news-card__media img { transform: scale(1.05); }
.news-card__body { padding: 24px 26px 24px 0; display: flex; flex-direction: column; }
.news-card__meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 14px; margin-bottom: 8px; }
.news-card__body h3 { font-size: 18px; line-height: 1.6; margin-bottom: 8px; }
.news-card__body p { font-size: 14px; color: var(--muted); margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__more { margin-top: auto; font-size: 13.5px; color: var(--blue-600); display: inline-flex; align-items: center; gap: 4px; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 44px; }
.pagination button, .pagination span {
  min-width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--text); font-size: 14px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 12px; transition: all 0.25s;
}
.pagination button:hover:not(:disabled) { border-color: var(--blue-500); color: var(--blue-600); }
.pagination button.is-active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.pagination button:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------------- 文章详情 ---------------- */
.article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 46px 52px 48px; }
.article__head { text-align: center; max-width: 780px; margin: 0 auto 34px; }
.article__head h1 { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.5; margin-bottom: 16px; }
.article__meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--muted); padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article__cover { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 32px; }
.article__cover img { width: 100%; max-height: 460px; object-fit: cover; }
.article__body { max-width: 860px; margin: 0 auto; font-size: 16px; }
.article__foot { max-width: 860px; margin: 36px auto 0; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.article__nav { display: grid; gap: 8px; font-size: 14px; color: var(--muted); }
.article__nav a { color: var(--blue-600); }
.article__share { font-size: 13px; color: var(--muted); }

.related-title { font-size: 20px; margin: 56px 0 24px; padding-left: 14px; border-left: 4px solid var(--blue-500); }

/* ---------------- 联系我们 ---------------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.contact-info { display: grid; gap: 18px; }
.contact-item { display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; transition: all 0.3s ease; }
.contact-item:hover { box-shadow: var(--shadow-sm); border-color: #cfe0f6; }
.contact-item__icon { width: 44px; height: 44px; border-radius: 10px; background: var(--blue-50); color: var(--blue-600); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item__icon svg { width: 21px; height: 21px; }
.contact-item h4 { font-size: 14px; color: var(--muted); font-weight: 400; margin-bottom: 4px; }
.contact-item p { margin: 0; color: var(--ink); font-size: 15.5px; line-height: 1.7; word-break: break-all; }
.contact-item a { color: var(--ink); }
.contact-item a:hover { color: var(--blue-600); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 40px 40px; box-shadow: var(--shadow-sm); }
.form-card h2 { font-size: 22px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; color: var(--ink); }
.field label i { color: #dc2626; font-style: normal; margin-left: 2px; }
.field input, .field textarea, .field select {
  border: 1px solid var(--line); background: #fbfdff; border-radius: 8px;
  padding: 11px 14px; font-size: 14.5px; color: var(--ink); outline: none;
  transition: all 0.25s ease; width: 100%;
}
.field textarea { resize: vertical; min-height: 118px; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue-400); background: #fff; box-shadow: 0 0 0 3px rgba(35, 114, 224, 0.1); }
.field input::placeholder, .field textarea::placeholder { color: #a9b8ca; }
.form-tip { font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.form-msg { margin-top: 14px; font-size: 14px; display: none; }
.form-msg.is-error { display: block; color: #dc2626; }
.form-msg.is-ok { display: block; color: #0f9d58; }
.form-card .btn { margin-top: 22px; }

.map-section { padding-bottom: 0; }
.map-wrap { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--blue-50); min-height: 380px; }
.map-wrap iframe { width: 100%; height: 420px; border: 0; display: block; filter: saturate(0.9); }
.map-fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eef4fc, #dfeaf8);
  background-image: linear-gradient(rgba(22, 87, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 87, 184, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  z-index: 0;
}
.map-card {
  position: absolute; left: 32px; bottom: 32px; z-index: 3;
  background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(8px);
  border-radius: var(--radius-sm); padding: 22px 26px; box-shadow: var(--shadow-lg); max-width: 340px;
}
.map-card h3 { font-size: 17px; margin-bottom: 6px; }
.map-card p { font-size: 13.5px; color: var(--muted); margin-bottom: 14px; }
.map-pin {
  position: absolute; left: 50%; top: 46%; transform: translate(-50%, -100%);
  color: var(--blue-600); z-index: 2; filter: drop-shadow(0 6px 10px rgba(10, 35, 75, 0.24));
}
.map-pin svg { width: 46px; height: 46px; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--blue-900); color: rgba(255, 255, 255, 0.68); padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 46px; }
.footer-brand .logo__text strong { color: #fff; }
.footer-brand .logo__text span { color: rgba(255, 255, 255, 0.45); }
.footer-brand p { color: rgba(255, 255, 255, 0.6); font-size: 13.5px; line-height: 1.9; margin: 18px 0 0; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col li { margin-bottom: 11px; font-size: 13.5px; }
.footer-col a { color: rgba(255, 255, 255, 0.66); }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.8; margin-bottom: 14px; color: rgba(255, 255, 255, 0.66); }
.footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 4px; color: var(--blue-400); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a:hover { color: #fff; }

/* ---------------- 空状态 / 骨架 ---------------- */
.empty { text-align: center; padding: 64px 20px; color: var(--muted); }
.empty svg { width: 56px; height: 56px; margin: 0 auto 14px; color: #c3d3e6; }
.skeleton { background: linear-gradient(90deg, #eef3fa 25%, #f7fafd 37%, #eef3fa 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; border-radius: 8px; }
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.loading-block { min-height: 120px; }

/* ---------------- 滚动动效 ---------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 返回顶部 ---------------- */
.to-top {
  position: fixed; right: 24px; bottom: 28px; z-index: 80;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--blue-600); color: #fff; border: 0;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 26px rgba(22, 87, 184, 0.34);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all 0.3s ease;
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--blue-700); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
  .footer-grid { gap: 32px; }
  .about-brief { gap: 44px; }
  .detail-main { padding: 34px 34px 38px; }
}

@media (max-width: 1024px) {
  .header-phone { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-side { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
  .side-card { margin-bottom: 0; }
  .news-wrap, .news-page { grid-template-columns: 1fr; gap: 36px; }
  .news-aside { order: 2; }
  .hero__slides { height: 560px; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
  :root { --header-h: 66px; }
  .nav { display: none; }
  .nav-toggle { display: block; }
  .header-actions .btn { display: none; }
  .logo__img { height: 32px; }
  .footer-brand .logo__img { height: 34px; }
  .section { padding: 60px 0; }
  .section--tight { padding: 46px 0; }
  .section-head { margin-bottom: 34px; }
  .hero__slides { height: 520px; }
  .hero__content { max-width: 100%; }
  .hero__desc { overflow-wrap: anywhere; }
  .hero__desc { font-size: 15px; }
  .hero__control { bottom: 22px; }
  .hero__index { display: none; }
  .about-brief, .about-intro { grid-template-columns: 1fr; gap: 30px; }
  .about-brief__media { order: 2; }
  .about-brief__badge { right: 12px; bottom: -16px; padding: 14px 18px; }
  .about-brief__badge b { font-size: 26px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .stat { border-right: 0; }
  .stat b { font-size: 32px; }
  .service-block { grid-template-columns: 1fr; }
  .service-block__media { min-height: 200px; }
  .service-block__body { padding: 26px 24px; }
  .news-card { grid-template-columns: 1fr; }
  .news-card__media { min-height: 0; aspect-ratio: 16/9; }
  .news-card__body { padding: 20px 22px 22px; }
  .article { padding: 30px 24px 32px; }
  .form-card { padding: 28px 24px 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .timeline-grid { grid-template-columns: 1fr; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  body { font-size: 14.5px; }
  .section { padding: 46px 0; }
  .section-title { font-size: 22px; }
  .eyebrow { font-size: 11.5px; letter-spacing: 2px; }
  .hero__slides { height: 500px; }
  .hero__eyebrow { font-size: 11px; letter-spacing: 2px; margin-bottom: 12px; }
  .hero__title { font-size: 27px; margin-bottom: 14px; }
  .hero__desc { font-size: 14px; line-height: 1.8; margin-bottom: 26px; }
  .hero__actions .btn { height: 42px; padding: 0 20px; font-size: 14px; }
  .hero__arrows { display: none; }
  .hero__dot { width: 22px; }
  .hero__dot.is-active { width: 34px; }
  .service-grid, .case-grid, .adv-grid, .team-grid { grid-template-columns: 1fr; }
  .service-card { padding: 26px 22px 22px; }
  .about-points { grid-template-columns: 1fr; gap: 10px; }
  .news-wrap { gap: 28px; }
  .news-item { grid-template-columns: 64px 1fr; gap: 14px; }
  .news-item__arrow { display: none; }
  .news-item__date b { font-size: 20px; }
  .news-item__body h3 { font-size: 15px; }
  .detail-main { padding: 26px 20px 28px; }
  .detail-main__head h1 { font-size: 22px; }
  .detail-side { grid-template-columns: 1fr; }
  .item-card { padding: 18px 18px 20px; }
  .item-card__head { flex-direction: column; gap: 6px; }
  .article { padding: 24px 18px 26px; border-radius: 12px; }
  .article__head h1 { font-size: 21px; }
  .article__body { font-size: 15px; }
  .article__foot { flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 18px 26px; }
  .contact-item { padding: 18px; }
  .map-wrap, .map-wrap iframe { min-height: 320px; height: 320px; }
  .map-card { left: 16px; right: 16px; bottom: 16px; max-width: none; padding: 16px 18px; }
  .map-card p { margin-bottom: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .site-footer { padding-top: 46px; }
  .to-top { right: 16px; bottom: 18px; width: 42px; height: 42px; }
  .pagination { flex-wrap: wrap; }
  .cta-band .btn { width: 100%; }
  .cta-band__actions { width: 100%; }
  .section-head { text-align: left; }
  .section-head .eyebrow { justify-content: flex-start; }
}

/* ---------------- 导航下拉（服务项目） ---------------- */
.nav .has-sub { position: relative; }
.nav .has-sub > a::before {
  content: ""; position: absolute; right: 4px; top: 50%; margin-top: -2px;
  width: 5px; height: 5px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg); opacity: 0.55;
}
.submenu {
  position: absolute; left: 0; top: calc(var(--header-h) - 12px);
  min-width: 210px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow-md); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.26s ease;
}
.has-sub:hover .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu__inner { display: grid; gap: 2px; }
.submenu a { display: block; padding: 9px 14px; border-radius: 7px; font-size: 14px; color: var(--text); }
.submenu a:hover { background: var(--blue-50); color: var(--blue-600); }

/* 页面载入占位 */
.page-loading { text-align: center; padding: 80px 0; color: var(--muted); }
.page-loading::after {
  content: ""; display: block; width: 26px; height: 26px; margin: 16px auto 0;
  border: 2px solid var(--blue-100); border-top-color: var(--blue-500);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   同城创业吧
   ============================================================ */
.section--soft { background: var(--bg); }

/* 板块一：公众号二维码 */
.cyb-wechat {
  display: grid; grid-template-columns: 300px 1fr; gap: 46px;
  align-items: center; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow-sm);
}
.cyb-wechat__qr { text-align: center; }
.qr-card {
  width: 240px; max-width: 100%; margin: 0 auto; padding: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-md);
}
.qr-card img { width: 100%; height: auto; display: block; border-radius: 8px; }
.qr-tip { margin: 14px 0 0; font-size: 13px; color: var(--muted); line-height: 1.7; }
.cyb-wechat__intro h3 { font-size: 24px; margin-bottom: 12px; }
.cyb-wechat__intro > p { color: var(--text); line-height: 1.9; font-size: 15px; margin-bottom: 20px; }
.cyb-points { display: grid; gap: 12px; margin-bottom: 26px; }
.cyb-points li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--text); line-height: 1.7; }
.cyb-points svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; color: var(--blue-500); }

/* 板块二：DM 电子刊翻页阅读 */
.flipbook {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.flipbook__stage { position: relative; background: linear-gradient(160deg, #0f2c52, #1657b8); padding: 24px 64px; }
.flipbook__page { position: relative; aspect-ratio: 3 / 4; max-height: 62vh; margin: 0 auto; }
.flipbook__sheet {
  position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden;
  transform: translateX(24px) scale(0.985); transition: all 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
  border-radius: 8px; overflow: hidden; box-shadow: 0 18px 40px rgba(4, 20, 45, 0.45);
}
.flipbook__sheet.is-active { opacity: 1; visibility: visible; transform: none; }
.flipbook__sheet img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.flipbook__nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255, 255, 255, 0.92); color: var(--blue-700);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(4, 20, 45, 0.28); transition: all 0.25s ease;
}
.flipbook__nav svg { width: 20px; height: 20px; }
.flipbook__nav:hover { background: #fff; transform: translateY(-50%) scale(1.08); }
.flipbook__nav--prev { left: 10px; }
.flipbook__nav--next { right: 10px; }
.flipbook__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 16px 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.flipbook__caption { min-width: 0; }
.flipbook__caption b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.flipbook__caption span { font-size: 13px; color: var(--muted); }
.flipbook__ctrl { display: flex; align-items: center; gap: 14px; }
.flipbook__count { font-size: 14px; color: var(--muted); }
.flipbook__count b { color: var(--blue-600); font-size: 17px; }
.flipbook__thumbs {
  display: flex; gap: 12px; padding: 18px 24px 22px; overflow-x: auto; scrollbar-width: thin;
}
.flipbook__thumb {
  position: relative; flex: 0 0 auto; width: 74px; height: 98px; padding: 0; cursor: pointer;
  border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: var(--blue-50);
  transition: all 0.25s ease;
}
.flipbook__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.flipbook__thumb span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 3px 0; text-align: center;
  font-size: 11px; letter-spacing: 0.5px; color: #fff; background: rgba(15, 44, 82, 0.74);
}
/* 当前选中期刊：商务蓝高亮边框 */
.flipbook__thumb.is-active {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 2px rgba(22, 87, 184, 0.22), 0 8px 18px rgba(22, 87, 184, 0.26);
}
.flipbook__thumb.is-active span { background: var(--blue-600); }
.flipbook__thumb:hover { transform: translateY(-3px); }
/* 期刊切换 / 内页加载中的占位提示 */
.flipbook__hint {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  padding: 20px; text-align: center; color: rgba(255, 255, 255, 0.8);
  font-size: 14px; letter-spacing: 1px;
}

/* 放大查看 */
.lightbox {
  position: fixed; inset: 0; z-index: 999; background: rgba(6, 18, 38, 0.88);
  display: flex; align-items: center; justify-content: center; padding: 24px; cursor: zoom-out;
}
.lightbox__inner { position: relative; max-width: 780px; width: 100%; text-align: center; cursor: default; }
.lightbox__inner img { width: 100%; max-height: 82vh; object-fit: contain; border-radius: 10px; background: #fff; }
.lightbox__inner p { margin: 14px 0 0; color: #fff; font-size: 15px; }
.lightbox__close {
  position: absolute; top: -42px; right: 0; width: 34px; height: 34px; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, 0.16); color: #fff; font-size: 22px; line-height: 1; cursor: pointer;
}

/* 板块三：广告投放咨询 */
.cyb-ad { display: grid; grid-template-columns: 1fr 480px; gap: 34px; align-items: start; }
.cyb-ad__intro {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.cyb-ad__intro h3 { font-size: 20px; margin-bottom: 18px; }
.cyb-ad__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cyb-ad__item {
  padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--blue-50); transition: all 0.25s ease;
}
.cyb-ad__item:hover { border-color: var(--blue-400); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.cyb-ad__item b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 5px; }
.cyb-ad__item span { font-size: 13px; color: var(--muted); line-height: 1.7; }
.cyb-ad__contact { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); display: grid; gap: 8px; }
.cyb-ad__contact p { margin: 0; display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--text); }
.cyb-ad__contact svg { width: 17px; height: 17px; color: var(--blue-500); flex-shrink: 0; }
.cyb-ad__contact a { color: var(--blue-600); font-weight: 600; }

@media (max-width: 960px) {
  .cyb-wechat { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
  .cyb-wechat__qr { order: -1; }
  .cyb-ad { grid-template-columns: 1fr; }
  .flipbook__stage { padding: 16px 52px; }
}
@media (max-width: 640px) {
  .cyb-wechat { padding: 22px; }
  .qr-card { width: 200px; }
  .flipbook__stage { padding: 10px 44px; }
  .flipbook__nav { width: 36px; height: 36px; }
  .flipbook__nav--prev { left: 2px; }
  .flipbook__nav--next { right: 2px; }
  .flipbook__bar { padding: 14px 16px; }
  .flipbook__thumbs { padding: 14px 16px 18px; }
  .flipbook__thumb { width: 58px; height: 78px; }
  .cyb-ad__grid { grid-template-columns: 1fr; }
  .cyb-ad__intro { padding: 22px; }
  .lightbox { padding: 14px; }
  .lightbox__close { top: -38px; }
}

/* ============================================================
   悬浮客服挂载位（cs-dock）
   ------------------------------------------------------------
   仅提供右下角挂载位与占位按钮样式，不含任何 IM 业务逻辑。
   接入 SaaS 智能客服后，其 UI 会渲染到 .cs-dock__slot 内，
   内置占位按钮自动隐藏；无需改动页面布局。
   偏移可通过 CMS「站点配置 → 悬浮客服」调整，也可用内联变量覆盖。
   ============================================================ */
.cs-dock {
  --csd-bottom: 92px;
  --csd-right: 24px;
  --csd-bottom-m: 84px;
  --csd-right-m: 16px;
  --csd-avoid: 0px;
  position: fixed;
  right: var(--csd-right);
  bottom: calc(var(--csd-bottom) + var(--csd-avoid) + env(safe-area-inset-bottom, 0px));
  z-index: 88;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  max-width: min(380px, calc(100vw - 32px));
  pointer-events: none; /* 容器不拦截点击，避免遮挡页面核心按钮 */
}
.cs-dock > * { pointer-events: auto; }
.cs-dock.is-disabled { display: none; }
body.nav-open .cs-dock { opacity: 0; visibility: hidden; } /* 移动端菜单展开时让位 */

/* 外部客服 UI 插槽：为空时不占位 */
.cs-dock__slot { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.cs-dock__slot:empty { display: none; }
.cs-dock__slot iframe,
.cs-dock__slot > * {
  max-width: min(380px, calc(100vw - 32px));
  border-radius: var(--radius);
}
/* 收编进来的外部浮标：取消其自身的固定定位，统一由挂载位排版 */
.cs-dock__adopted {
  position: relative !important;
  inset: auto !important;
  margin: 0 !important;
  transform: none !important;
  max-width: min(380px, calc(100vw - 32px));
}

/* 内置占位按钮（未接入外部客服时的咨询入口） */
.cs-dock__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--blue-600);
  color: #fff;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(22, 87, 184, 0.34);
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.cs-dock__btn:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(22, 87, 184, 0.4);
}
.cs-dock__btn:active { transform: translateY(0); }
.cs-dock__btn[hidden] { display: none; } /* 外部客服已接管时隐藏占位按钮 */
.cs-dock__icon { display: inline-flex; align-items: center; justify-content: center; }
.cs-dock__icon svg { display: block; }

@media (max-width: 768px) {
  .cs-dock {
    right: var(--csd-right-m);
    bottom: calc(var(--csd-bottom-m) + var(--csd-avoid) + env(safe-area-inset-bottom, 0px));
    gap: 10px;
  }
  /* 移动端收缩为圆形图标按钮，最小化占位，不遮挡页面核心按钮 */
  .cs-dock__btn {
    width: 52px;
    height: 52px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
  .cs-dock__label { display: none; }
  .cs-dock__slot > *,
  .cs-dock__slot iframe { max-width: min(320px, calc(100vw - 32px)); }
}
@media (max-width: 360px) {
  .cs-dock__btn { width: 48px; height: 48px; }
}