/* ==========================================================
   铎睦文化官网 - 全站样式
   ========================================================== */
:root {
  --brand: #1B5396;
  --brand-dark: #123A6E;
  --brand-deep: #0E2F5B;
  --brand-light: #2F74B8;
  --accent: #E8622D;
  --accent-dark: #C94E1E;
  --gold: #C9A227;
  --bg: #F6F8FB;
  --bg-alt: #EFF3F8;
  --text: #22303E;
  --text-light: #5B6B7B;
  --border: #E3E9F0;
  --white: #fff;
  --shadow-sm: 0 2px 8px rgba(11, 42, 74, .06);
  --shadow-md: 0 8px 24px rgba(11, 42, 74, .10);
  --shadow-lg: 0 18px 44px rgba(11, 42, 74, .16);
  --radius: 14px;
  --radius-sm: 8px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.muted { color: var(--text-light); }
.empty-tip { color: var(--text-light); font-size: 0.938rem; text-align: center; padding: 40px 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 26px; border-radius: 999px; font-size: 0.938rem; font-weight: 600;
  cursor: pointer; border: 1px solid transparent; transition: all .25s ease;
  line-height: 1.4; white-space: nowrap;
}
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: linear-gradient(135deg, var(--accent), #F07B3E); color: #fff; }
.btn-accent:hover { background: linear-gradient(135deg, var(--accent-dark), var(--accent)); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232, 98, 45, .35); }
.btn-outline-light { border-color: rgba(255, 255, 255, .55); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .14); border-color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.btn-sm { padding: 7px 16px; font-size: 0.813rem; border-radius: 8px; }
.btn-block { width: 100%; }
.icon { width: 24px; height: 24px; }
.icon-sm { width: 16px; height: 16px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: 0 4px 18px rgba(11, 42, 74, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-light));
  color: #fff; font-size: 1.375rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(20, 69, 122, .35);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; font-size: 1.25rem; font-weight: 800; color: var(--brand-dark); }
.logo-text small { font-size: 0.625rem; letter-spacing: 2.5px; color: var(--text-light); font-weight: 500; }
.main-nav { display: flex; gap: 34px; }
.main-nav a { font-size: 0.969rem; font-weight: 500; color: var(--text); padding: 8px 2px; position: relative; transition: color .2s; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent); border-radius: 2px; transition: width .25s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--brand); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.btn-header { padding: 10px 24px; }
.header-right { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--brand-dark); border-radius: 2px; transition: all .3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-dark) 48%, #2A6DB4 100%);
  padding: 128px 0 96px; min-height: 620px;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); }
.hero-glow-1 { width: 460px; height: 460px; background: rgba(232, 98, 45, .32); top: -140px; right: 6%; }
.hero-glow-2 { width: 400px; height: 400px; background: rgba(61, 139, 255, .30); bottom: -160px; left: 2%; }
.hero-orbit { position: absolute; border: 1px solid rgba(255, 255, 255, .10); border-radius: 50%; }
.hero-orbit-1 { width: 540px; height: 540px; right: -140px; top: 50%; transform: translateY(-50%); }
.hero-orbit-2 { width: 760px; height: 760px; right: -250px; top: 50%; transform: translateY(-50%); border-color: rgba(255, 255, 255, .05); }
.hero-inner { position: relative; z-index: 2; }
.hero-tag {
  display: inline-block; padding: 7px 18px; font-size: 0.813rem; letter-spacing: 1.5px;
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px;
  background: rgba(255, 255, 255, .08);
}
.hero-text h1 { font-size: clamp(2.125rem, 5vw, 3.625rem); font-weight: 800; line-height: 1.16; margin: 22px 0 20px; letter-spacing: 1px; }
.hero-sub { font-size: 1.063rem; color: rgba(255, 255, 255, .82); max-width: 660px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-top: 56px; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, .16);
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 2.25rem; font-weight: 800; color: #fff; letter-spacing: 1px; }
.stat span { font-size: 0.875rem; color: rgba(255, 255, 255, .68); }
.hero-scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255, 255, 255, .7); font-size: 0.75rem; z-index: 2;
}
.mouse { width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .5); border-radius: 14px; position: relative; }
.wheel { position: absolute; top: 7px; left: 50%; width: 4px; height: 8px; background: #fff; border-radius: 2px; transform: translateX(-50%); animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 1; top: 7px; } 100% { opacity: 0; top: 24px; } }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  display: inline-block; color: var(--accent); font-size: 0.813rem; font-weight: 700;
  letter-spacing: 4px; margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: clamp(1.625rem, 3.4vw, 2.375rem); font-weight: 800; color: var(--brand-dark); margin-bottom: 12px; line-height: 1.3; }
.section-head p { color: var(--text-light); font-size: 1rem; }
.section-head-light h2 { color: #fff; }
.section-head-light p { color: rgba(255, 255, 255, .72); }
.section-cta { text-align: center; margin-top: 52px; }
.section-services { background: var(--white); }
.section-cases { background: var(--bg); }
.section-news { background: var(--white); }
.section-values { background: var(--bg); }

/* ---------- 服务卡片 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card-head { height: 148px; position: relative; display: flex; align-items: center; justify-content: center; color: #fff; }
.service-head-shiyu { background: linear-gradient(135deg, #23824B, #4FAE74); }
.service-head-qixiang { background: linear-gradient(135deg, #155A9E, #3D8BFF); }
.service-head-zoulang { background: linear-gradient(135deg, #5A4BC8, #8E7CFF); }
.service-head-dangjian { background: linear-gradient(135deg, #B02A20, #E05A45); }
.service-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .28);
  display: flex; align-items: center; justify-content: center;
}
.service-icon .icon { width: 32px; height: 32px; }
.service-no { position: absolute; top: 16px; right: 20px; font-size: 0.938rem; font-weight: 800; opacity: .5; letter-spacing: 1px; }
.service-card h3 { font-size: 1.188rem; font-weight: 700; color: var(--brand-dark); padding: 22px 22px 6px; }
.service-card > p { font-size: 0.875rem; color: var(--text-light); padding: 0 22px; flex: 1; }
.link-more {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--brand); font-size: 0.875rem; font-weight: 600; padding: 16px 22px 22px;
}
.link-more .icon-sm { transition: transform .25s ease; }
.service-card:hover .link-more .icon-sm { transform: translateX(5px); }

/* ---------- 流程 ---------- */
.section-steps { background: linear-gradient(135deg, var(--brand-deep), var(--brand)); }
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.step {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--radius); padding: 30px 22px; text-align: center;
}
.step-no {
  display: inline-flex; width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 800; font-size: 1.063rem;
  align-items: center; justify-content: center; margin-bottom: 16px;
}
.step h3 { color: #fff; font-size: 1.063rem; margin-bottom: 8px; }
.step p { color: rgba(255, 255, 255, .72); font-size: 0.844rem; }

/* ---------- 案例卡片 ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.case-card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-alt); }
.case-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.case-card:hover .case-card-media img { transform: scale(1.06); }
.case-card-cat {
  position: absolute; top: 14px; left: 14px;
  background: rgba(8, 29, 51, .78); color: #fff; font-size: 0.75rem;
  padding: 5px 14px; border-radius: 999px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.case-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.case-card-body h3 { font-size: 1.125rem; font-weight: 700; color: var(--brand-dark); margin-bottom: 8px; }
.case-card-body p {
  font-size: 0.844rem; color: var(--text-light); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.case-card-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; font-size: 0.781rem; color: var(--text-light); }

/* ---------- 首页关于 ---------- */
.section-about { background: var(--bg); }
.about-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.about-visual { position: relative; }
.about-card-main {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-light));
  border-radius: 22px; padding: 52px 46px; color: #fff; min-height: 330px;
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: var(--shadow-lg);
}
.about-logo {
  width: 66px; height: 66px; border-radius: 18px; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; margin-bottom: 22px;
}
.about-card-main h3 { font-size: 1.875rem; font-weight: 800; }
.about-card-main p { color: rgba(255, 255, 255, .82); margin-top: 10px; font-size: 0.938rem; }
.about-card-mini {
  position: absolute; right: -14px; bottom: -26px;
  background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg);
  padding: 20px 26px; text-align: center;
}
.about-card-mini strong { display: block; color: var(--accent); font-size: 1.5rem; font-weight: 800; }
.about-card-mini span { font-size: 0.813rem; color: var(--text-light); }
.about-text h2 { font-size: clamp(1.625rem, 3vw, 2.25rem); font-weight: 800; color: var(--brand-dark); margin: 12px 0 18px; line-height: 1.3; }
.about-lead { color: var(--text-light); font-size: 1rem; margin-bottom: 22px; }
.about-points { list-style: none; margin-bottom: 30px; }
.about-points li { display: flex; align-items: center; gap: 12px; padding: 8px 0; font-size: 0.938rem; color: var(--text); }
.about-check {
  width: 24px; height: 24px; flex-shrink: 0; border-radius: 50%;
  background: rgba(232, 98, 45, .12); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center; font-size: 0.813rem; font-weight: 800;
}

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.news-card-media { aspect-ratio: 16 / 8; overflow: hidden; background: linear-gradient(135deg, #E6EDF6, #D3E0F0); }
.news-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.news-card:hover .news-card-media img { transform: scale(1.06); }
.news-card-media--plain { display: flex; align-items: center; justify-content: center; color: var(--brand-light); font-size: 1rem; font-weight: 700; }
.news-card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-card-date { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.news-card-date .d { font-size: 1.688rem; font-weight: 800; color: var(--brand); line-height: 1; }
.news-card-date .y { font-size: 0.813rem; color: var(--text-light); }
.news-card-body h3 { font-size: 1.063rem; font-weight: 700; color: var(--brand-dark); margin-bottom: 8px; line-height: 1.5; }
.news-card-body p {
  font-size: 0.844rem; color: var(--text-light); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-body .link-more { padding: 14px 0 0; }

/* ---------- CTA 横幅 ---------- */
.section-cta-band { background: linear-gradient(135deg, var(--brand-deep), var(--brand)); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.cta-inner h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); font-weight: 800; }
.cta-inner p { color: rgba(255, 255, 255, .8); margin-top: 10px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--brand-deep); color: rgba(255, 255, 255, .75); padding-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 52px; }
.footer-brand p { margin-top: 16px; font-size: 0.875rem; line-height: 1.8; }
.footer-about { color: rgba(255, 255, 255, .6); }
.footer-logo { display: flex; align-items: center; gap: 12px; }
.footer-logo .logo-text { color: #fff; }
.footer-logo .logo-mark { background: linear-gradient(135deg, var(--accent), #F07B3E); box-shadow: 0 4px 12px rgba(232, 98, 45, .4); }
.footer-logo small { color: rgba(255, 255, 255, .55); }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 10px; position: relative; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-col a { display: block; color: rgba(255, 255, 255, .72); font-size: 0.875rem; padding: 6px 0; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-col p { font-size: 0.875rem; padding: 5px 0; display: flex; align-items: center; gap: 8px; }
.footer-col .icon { color: var(--accent); flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 0.813rem; color: rgba(255, 255, 255, .55);
}
.footer-icp a:hover { color: #fff; }

/* ---------- 页面横幅 / 面包屑 ---------- */
.page-banner {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
  padding: 88px 0 66px;
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 44px 44px;
}
.page-banner .container { position: relative; }
.page-banner h1 { font-size: clamp(1.875rem, 4vw, 2.75rem); font-weight: 800; }
.page-banner p { color: rgba(255, 255, 255, .8); margin-top: 12px; font-size: 1rem; max-width: 720px; }
.page-banner-sm { padding: 56px 0 44px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 22px 24px 0; font-size: 0.844rem; color: var(--text-light);
}
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: #C4CEDE; }

/* ---------- 案例筛选 ---------- */
.case-filters { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 46px; }
.case-filters a {
  padding: 9px 24px; border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.875rem; color: var(--text-light); background: #fff; transition: all .25s ease;
}
.case-filters a:hover { border-color: var(--brand); color: var(--brand); }
.case-filters a.active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 52px; }
.page {
  min-width: 40px; height: 40px; padding: 0 13px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 0.875rem; color: var(--text-light); background: #fff; transition: all .2s ease;
}
.page:hover { border-color: var(--brand); color: var(--brand); }
.page.current { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }

/* ---------- 案例详情 ---------- */
.case-detail-wrap { max-width: 980px; }
.case-detail-head { text-align: center; margin-bottom: 34px; }
.case-detail-tags { display: inline-block; color: var(--accent); font-weight: 700; font-size: 0.875rem; letter-spacing: 3px; margin-bottom: 12px; }
.case-detail-head h1 { font-size: clamp(1.625rem, 3.4vw, 2.375rem); font-weight: 800; color: var(--brand-dark); line-height: 1.3; }
.case-meta { display: flex; justify-content: center; gap: 64px; margin-top: 28px; flex-wrap: wrap; }
.case-meta div { text-align: center; }
.case-meta span { display: block; font-size: 0.813rem; color: var(--text-light); margin-bottom: 4px; }
.case-meta strong { font-size: 1rem; color: var(--brand-dark); }
.case-detail-cover { border-radius: 18px; overflow: hidden; margin-bottom: 30px; box-shadow: var(--shadow-md); }
.case-detail-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.case-detail-summary {
  background: var(--bg); border-left: 4px solid var(--accent);
  padding: 20px 26px; border-radius: 0 12px 12px 0;
  color: var(--text); font-size: 0.969rem; margin-bottom: 30px;
}
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.gallery-item { border-radius: 12px; overflow: hidden; aspect-ratio: 4 / 3; cursor: pointer; border: 1px solid var(--border); background: var(--bg-alt); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.case-pager, .article-pager {
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--border);
}
.pn-btn { font-size: 0.875rem; color: var(--text-light); transition: color .2s; }
.pn-btn:hover { color: var(--brand); }

/* ---------- 正文 ---------- */
.prose { font-size: 1rem; color: var(--text); line-height: 1.95; }
.prose p { margin: 14px 0; }
.prose h3 { margin-top: 30px; color: var(--brand-dark); font-size: 1.25rem; }

/* ---------- 服务详情 ---------- */
.service-detail-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.service-features-box { margin-top: 36px; background: var(--bg); border-radius: 16px; padding: 30px; }
.service-features-box h3 { color: var(--brand-dark); font-size: 1.188rem; margin-bottom: 18px; }
.feature-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.feature-list li {
  display: flex; align-items: flex-start; gap: 10px;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 15px 16px; font-size: 0.906rem;
}
.feature-list .icon { color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.side-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 26px; margin-bottom: 20px; }
.side-card h3 { font-size: 1.063rem; color: var(--brand-dark); margin-bottom: 16px; }
.side-steps .step {
  text-align: left; background: transparent; border: none; border-bottom: 1px dashed var(--border);
  border-radius: 0; padding: 14px 0; display: flex; align-items: center; gap: 14px; margin: 0;
}
.side-steps .step-no { width: 34px; height: 34px; font-size: 0.875rem; margin: 0; background: var(--brand-light); flex-shrink: 0; }
.side-steps h3 { margin: 0; color: var(--text); font-size: 0.938rem; }
.side-card-cta { background: linear-gradient(135deg, var(--brand-dark), var(--brand)); border: none; color: #fff; }
.side-card-cta h3 { color: #fff; }
.side-card-cta p { color: rgba(255, 255, 255, .82); font-size: 0.875rem; margin-bottom: 18px; }
.section-related { background: var(--bg); }

/* ---------- 服务列表页 ---------- */
.services-panels { display: grid; gap: 52px; }
.service-panel { background: #fff; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-sm); }
.service-panel-head { padding: 38px; display: flex; gap: 24px; align-items: center; color: #fff; }
.service-panel-head h2 { font-size: 1.625rem; font-weight: 800; }
.service-panel-head p { color: rgba(255, 255, 255, .86); margin-top: 6px; font-size: 0.938rem; }
.service-panel-body { padding: 38px; }
.service-content { font-size: 0.969rem; color: var(--text); line-height: 1.95; }
.service-content p { margin: 12px 0; }
.service-features { margin-top: 30px; }
.service-features h3 { font-size: 1.125rem; color: var(--brand-dark); margin-bottom: 16px; }
.service-features ul { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.service-features li { display: flex; align-items: flex-start; gap: 10px; background: var(--bg); padding: 15px 16px; border-radius: 10px; font-size: 0.906rem; }
.service-features .icon { color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.service-process { margin-top: 30px; }
.service-process h3 { font-size: 1.125rem; color: var(--brand-dark); margin-bottom: 16px; }
.mini-steps { display: flex; flex-wrap: wrap; gap: 12px; }
.mini-step { display: flex; align-items: center; gap: 10px; background: var(--bg); border-radius: 10px; padding: 10px 18px; font-size: 0.875rem; }
.mini-step span {
  width: 26px; height: 26px; border-radius: 50%; background: var(--brand); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: 0.813rem; font-weight: 700; flex-shrink: 0;
}

/* ---------- 关于页 ---------- */
.about-stats-band { background: var(--brand-dark); }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 44px 0; }
.about-page-wrap { display: grid; grid-template-columns: 1.6fr 1fr; gap: 56px; align-items: start; }
.about-page-text p { margin: 14px 0; font-size: 1rem; color: var(--text); line-height: 2; }
.about-side h3 { font-size: 1.125rem; color: var(--brand-dark); margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 8px 20px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; font-size: 0.875rem; color: var(--brand);
}
.about-contact-card {
  margin-top: 30px; background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff; border-radius: 16px; padding: 28px;
}
.about-contact-card h4 { font-size: 1.063rem; margin-bottom: 14px; }
.about-contact-card p { font-size: 0.875rem; color: rgba(255, 255, 255, .85); padding: 4px 0; word-break: break-all; }
.about-contact-card .btn { margin-top: 14px; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 32px 26px; position: relative; overflow: hidden; transition: transform .3s, box-shadow .3s; }
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.value-no { position: absolute; top: 12px; right: 22px; font-size: 2.875rem; font-weight: 800; color: rgba(11, 42, 74, .07); }
.value-card h3 { font-size: 1.125rem; color: var(--brand-dark); margin-bottom: 10px; }
.value-card p { font-size: 0.875rem; color: var(--text-light); }

/* ---------- 联系页 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.contact-info { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; align-content: start; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 28px 22px; text-align: center; transition: transform .3s, box-shadow .3s; }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-icon { font-size: 1.75rem; line-height: 1; }
.contact-card h3 { font-size: 1rem; color: var(--brand-dark); margin: 12px 0 8px; }
.contact-card p { font-size: 0.875rem; color: var(--text-light); word-break: break-all; }
.contact-form-wrap { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 42px; box-shadow: var(--shadow-sm); }
.contact-form-wrap h2 { font-size: 1.5rem; font-weight: 800; color: var(--brand-dark); }
.form-lead { color: var(--text-light); font-size: 0.906rem; margin: 8px 0 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.form-field label i { color: var(--accent); font-style: normal; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 12px 15px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 0.938rem; font-family: inherit; color: var(--text); background: var(--bg);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--brand); background: #fff;
  box-shadow: 0 0 0 3px rgba(20, 69, 122, .12);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-tip { display: none; padding: 13px 16px; border-radius: 10px; margin-bottom: 20px; font-size: 0.875rem; }
.form-tip.success { display: block; background: rgba(46, 160, 67, .1); color: #2E9E43; border: 1px solid rgba(46, 160, 67, .3); }
.form-tip.error { display: block; background: rgba(232, 98, 45, .08); color: var(--accent-dark); border: 1px solid rgba(232, 98, 45, .35); }

/* ---------- 文章 ---------- */
.article-wrap { max-width: 860px; }
.article-head { text-align: center; margin-bottom: 34px; }
.article-cat {
  display: inline-block; background: rgba(232, 98, 45, .1); color: var(--accent-dark);
  font-size: 0.813rem; font-weight: 600; padding: 5px 16px; border-radius: 999px; margin-bottom: 14px;
}
.article-head h1 { font-size: clamp(1.563rem, 3.2vw, 2.25rem); font-weight: 800; color: var(--brand-dark); line-height: 1.4; margin-bottom: 14px; }
.article-head time { color: var(--text-light); font-size: 0.875rem; }
.news-detail-cover { width: 100%; border-radius: 16px; margin-bottom: 30px; }

/* ---------- 404 ---------- */
.section-404 { text-align: center; padding: 120px 0; }
.code-404 {
  font-size: 8.125rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-404 h1 { font-size: 1.75rem; color: var(--brand-dark); margin: 18px 0 10px; }
.section-404 p { color: var(--text-light); margin-bottom: 30px; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .wheel { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-wrap { grid-template-columns: 1fr; gap: 56px; }
  .about-visual { max-width: 460px; }
  .service-detail-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .about-page-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: flex; }
  .btn-header { display: none; }
  .main-nav {
    position: fixed; top: 64px; right: 0; z-index: 99;
    flex-direction: column; gap: 0; width: 264px; height: calc(100vh - 64px);
    background: #fff; padding: 22px 26px; box-shadow: -10px 0 30px rgba(11, 42, 74, .14);
    transform: translateX(105%); transition: transform .3s ease; overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 13px 0; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .main-nav a::after { display: none; }
  .header-inner { height: 64px; }
  .hero { padding: 96px 0 130px; min-height: auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 40px; padding-top: 30px; }
  .stat strong { font-size: 1.875rem; }
  .services-grid, .cases-grid, .news-grid, .values-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { flex-wrap: wrap; justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-card-mini { right: 10px; bottom: -18px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); padding: 36px 0; }
  .contact-info { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 22px; }
  .case-meta { gap: 30px; }
  .service-panel-head { padding: 28px 22px; flex-direction: column; align-items: flex-start; gap: 14px; }
  .service-panel-body { padding: 26px 22px; }
  .service-features ul { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .case-pager, .article-pager { flex-direction: column; gap: 10px; }
  .breadcrumb { padding-top: 16px; }
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 29, 51, .92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s ease; padding: 30px;
}
.lightbox.show { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 10px; box-shadow: var(--shadow-lg); }
.lightbox-close {
  position: absolute; top: 18px; right: 22px;
  background: rgba(255, 255, 255, .14); border: none; color: #fff; font-size: 1.875rem;
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer; line-height: 1;
  transition: background .2s;
}
.lightbox-close:hover { background: rgba(255, 255, 255, .32); }

/* ---------- 首页首屏背景图 ---------- */
.hero.has-photo .hero-glow { opacity: .22; }
.hero.has-photo .hero-grid { opacity: .35; }
.hero.has-photo .hero-orbit { opacity: .5; }

/* ---------- 服务卡片效果图 ---------- */
.service-card-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.service-card-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,29,51,.06), rgba(8,29,51,.42)); }
.service-card-head .service-icon { position: relative; z-index: 1; }
.service-card-head .service-no { z-index: 2; }
.service-card:hover .service-card-img { transform: scale(1.06); }

/* ================= 首页首屏动态背景 ================= */
.hero-aurora {
  position: absolute; inset: -20%;
  background:
    radial-gradient(circle at 28% 42%, rgba(61, 139, 255, .28), transparent 46%),
    radial-gradient(circle at 72% 58%, rgba(232, 98, 45, .20), transparent 42%),
    radial-gradient(circle at 50% 82%, rgba(46, 158, 120, .16), transparent 50%);
  filter: blur(36px);
  animation: auroraDrift 24s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes auroraDrift {
  0%   { transform: translate3d(-3%, -2%, 0) rotate(0deg) scale(1); }
  50%  { transform: translate3d(4%, 3%, 0) rotate(6deg) scale(1.05); }
  100% { transform: translate3d(-2%, 2%, 0) rotate(-5deg) scale(.98); }
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.hero-particles i {
  position: absolute; bottom: -12px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .9), rgba(255, 255, 255, 0) 70%);
  opacity: 0;
  animation: particleRise linear infinite;
  animation-fill-mode: backwards;
  will-change: transform, opacity;
}
@keyframes particleRise {
  0%   { transform: translate3d(0, 0, 0); opacity: 0; }
  8%   { opacity: .8; }
  80%  { opacity: .35; }
  100% { transform: translate3d(40px, -105vh, 0); opacity: 0; }
}
.hero-glow-1 { animation: glowDrift1 16s ease-in-out infinite alternate; will-change: transform; }
.hero-glow-2 { animation: glowDrift2 20s ease-in-out infinite alternate; will-change: transform; }
@keyframes glowDrift1 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(70px, 46px) scale(1.18); }
}
@keyframes glowDrift2 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-60px, -36px) scale(1.12); }
}
.hero-orbit-1 { animation: orbitSpin 42s linear infinite; }
.hero-orbit-2 { animation: orbitSpin 72s linear infinite reverse; }
@keyframes orbitSpin {
  from { transform: translateY(-50%) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-aurora, .hero-particles i, .hero-glow-1, .hero-glow-2, .hero-orbit-1, .hero-orbit-2 {
    animation: none !important;
  }
}

/* ---------- 服务流程区：粒子 + 服务流程字变大 + 步骤图片 ---------- */
.section-steps { position: relative; overflow: hidden; }
.section-steps .steps-particles { z-index: 0; }
.section-steps .steps-particles i { background: radial-gradient(circle, rgba(255, 224, 150, .9), rgba(255, 224, 150, 0) 70%); }
.section-steps .container { position: relative; z-index: 1; }
.section-steps .section-eyebrow { font-size: 1.375rem; letter-spacing: .35em; color: rgba(255, 255, 255, .92); }
.step-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; margin-bottom: 18px; border-radius: 4px; box-shadow: 0 12px 30px rgba(0, 0, 0, .25); }

/* ---------- 内页横幅：5 种不同粒子配色 ---------- */
.page-banner .hero-particles.vp1 i { background: radial-gradient(circle, rgba(255, 255, 255, .9), rgba(255, 255, 255, 0) 70%); }
.page-banner .hero-particles.vp2 i { background: radial-gradient(circle, rgba(255, 214, 120, .95), rgba(255, 214, 120, 0) 70%); }
.page-banner .hero-particles.vp3 i { background: radial-gradient(circle, rgba(160, 205, 255, .95), rgba(160, 205, 255, 0) 70%); }
.page-banner .hero-particles.vp4 i { background: radial-gradient(circle, rgba(170, 225, 190, .95), rgba(170, 225, 190, 0) 70%); }
.page-banner .hero-particles.vp5 i { background: radial-gradient(circle, rgba(255, 190, 150, .95), rgba(255, 190, 150, 0) 70%); }

/* ---------- 页脚 Logo 图片 ---------- */
.footer-logo-img { height: 46px; width: auto; }

/* ---------- 自定义服务默认配色 ---------- */
.service-head-custom { background: linear-gradient(135deg, #3A5A8C, #5E82B8); }