/* ============================================================
   龙翔钻探 · 全站共享样式
   视觉体系：深蓝 #1A5276 + 能源橙 #E67E22（参考站风格）
   ============================================================ */
:root {
  --blue-950: #081C30;
  --blue-900: #0B2740;
  --blue-800: #123550;
  --blue-700: #1A5276;
  --blue-600: #23678F;
  --blue-500: #2F7FB0;
  --blue-100: #E3EEF6;
  --blue-50: #F2F7FB;
  --orange: #E67E22;
  --orange-dark: #C96A12;
  --orange-light: #FDF1E4;
  --ink: #1F2A37;
  --ink-soft: #44536B;
  --muted: #6B7A90;
  --line: #E3E9F0;
  --bg-soft: #F4F7FA;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(11, 39, 64, .08);
  --shadow-md: 0 10px 30px rgba(11, 39, 64, .10);
  --shadow-lg: 0 24px 60px rgba(11, 39, 64, .16);
  --radius: 12px;
  --radius-sm: 6px;
  --container: 1200px;
  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-700); text-decoration: none; transition: color .2s; }
a:hover { color: var(--orange); }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
::selection { background: var(--orange); color: #fff; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 30px; border-radius: 4px; font-weight: 600; font-size: 15px;
  cursor: pointer; border: 2px solid transparent; transition: all .25s;
  font-family: var(--font); line-height: 1.4; white-space: nowrap;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(230, 126, 34, .35); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-outline-light:hover { background: #fff; color: var(--blue-800); border-color: #fff; }
.btn-outline { background: transparent; color: var(--blue-700); border-color: var(--blue-700); }
.btn-outline:hover { background: var(--blue-700); color: #fff; }
.btn-ghost { background: var(--blue-50); color: var(--blue-700); }
.btn-ghost:hover { background: var(--blue-100); color: var(--blue-800); }
.btn-block { width: 100%; }

/* ---------- 顶栏 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--orange); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(230,126,34,.4);
}
/* 顶栏品牌文字放大（中文名与英文副标同步按比例放大，页脚不受影响） */
.site-header .brand-name strong { font-size: 22px; letter-spacing: 1.5px; }
.site-header .brand-name span { font-size: 11px; letter-spacing: 2px; }
.brand-name { line-height: 1.15; }
.brand-name strong { display: block; font-size: 20px; font-weight: 800; color: var(--blue-800); letter-spacing: 1px; }
.brand-name span { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; }
.main-nav { margin-left: auto; display: flex; gap: 6px; }
.main-nav a {
  position: relative; padding: 8px 14px; color: var(--ink-soft);
  font-weight: 500; font-size: 15px; border-radius: var(--radius-sm);
}
.main-nav a:hover { color: var(--orange); background: var(--orange-light); }
.main-nav a.active { color: var(--orange); font-weight: 700; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 3px; border-radius: 2px; background: var(--orange);
}
.header-phone {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
  padding: 8px 16px; border: 2px solid var(--blue-700); border-radius: 4px;
  color: var(--blue-700); font-weight: 700; font-size: 17px; letter-spacing: .5px;
  transition: all .25s;
}
.header-phone:hover { background: var(--blue-700); color: #fff; }
.header-phone svg { width: 20px; height: 20px; }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }

/* 移动端抽屉 */
.mobile-nav {
  position: fixed; inset: 0; z-index: 200; visibility: hidden; opacity: 0; overflow: hidden; transition: .3s;
}
.mobile-nav.open { visibility: visible; opacity: 1; }
.mobile-nav .mask { position: absolute; inset: 0; background: rgba(8,28,48,.55); }
.mobile-nav .panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 300px;
  background: #fff; padding: 24px; overflow-y: auto;
  transform: translateX(100%); transition: transform .3s;
  box-shadow: var(--shadow-lg);
}
.mobile-nav.open .panel { transform: translateX(0); }
.mobile-nav .panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.mobile-nav .close-btn { background: none; border: 0; cursor: pointer; padding: 6px; color: var(--ink-soft); }
.mobile-nav a.m-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 6px; border-bottom: 1px solid var(--line);
  color: var(--ink); font-weight: 600; font-size: 16px;
}
.mobile-nav a.m-link:hover { color: var(--orange); }
.mobile-nav .m-sub { padding-left: 18px; }
.mobile-nav .m-sub a { display: block; padding: 10px 6px; color: var(--muted); font-size: 14px; border-bottom: 1px dashed var(--line); }
.mobile-nav .m-sub a:hover { color: var(--orange); }
.mobile-nav .m-phone { margin-top: 20px; }

/* ---------- 页面横幅（二级/三级页） ---------- */
.page-hero {
  position: relative; padding: 64px 0 72px; overflow: hidden;
  background: linear-gradient(120deg, var(--blue-950) 0%, var(--blue-800) 60%, var(--blue-700) 100%);
  color: #fff;
}
.page-hero .bg-img { position: absolute; inset: 0; }
.page-hero .bg-img img { width: 100%; height: 100%; object-fit: cover; opacity: .22; }
.page-hero .bg-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8,28,48,.92) 20%, rgba(11,39,64,.55) 70%); }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .6; }
.breadcrumb span:last-child { max-width: 70%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-hero h1 { font-size: 38px; font-weight: 800; letter-spacing: 1px; margin-bottom: 12px; }
.page-hero .subtitle { font-size: 17px; color: rgba(255,255,255,.85); max-width: 760px; }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--orange); font-weight: 700; font-size: 14px; letter-spacing: 3px;
  margin-bottom: 12px; text-transform: uppercase;
}
.section-head .eyebrow::before, .section-head .eyebrow::after { content: ""; width: 26px; height: 2px; background: var(--orange); }
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--blue-700); letter-spacing: 1px; }
.section-head p { margin-top: 12px; color: var(--muted); font-size: 16px; }
.section-head.left { text-align: left; margin-left: 0; }

/* ---------- Hero（首页） ---------- */
.hero {
  position: relative; min-height: 640px; color: #fff; overflow: hidden;
  display: flex; align-items: center;
}
/* 轮播容器：比顶栏容器加宽一点，并始终与 logo 左侧对齐 */
.hero .container {
  --hero-extra: clamp(0px, calc((100% - var(--container)) / 2 - 60px), 200px);
  max-width: calc(var(--container) + var(--hero-extra));
  margin-left: max(0px, calc((100% - var(--container)) / 2));
}
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; }
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(8,28,48,.88) 10%, rgba(11,39,64,.55) 55%, rgba(11,39,64,.25) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 120px 0; max-width: 960px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; letter-spacing: 2px; color: #FFD9A8;
  border: 1px solid rgba(255,217,168,.45); border-radius: 999px; padding: 7px 18px; margin-bottom: 24px;
}
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.25; letter-spacing: 1px; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: #FFB45C; }
.hero p.lead { font-size: 18px; color: rgba(255,255,255,.88); max-width: 640px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots { position: absolute; z-index: 3; bottom: 34px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
.hero-dots button {
  width: 12px; height: 12px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.4); transition: all .3s;
}
.hero-dots button.active { background: var(--orange); width: 32px; border-radius: 8px; }

/* ---------- 数据条 ---------- */
.stats-bar { background: linear-gradient(120deg, var(--blue-900), var(--blue-700)); color: #fff; padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item .num { font-size: 52px; font-weight: 800; line-height: 1.1; color: #fff; }
.stat-item .num em { font-style: normal; color: #FFB45C; }
.stat-item .label { margin-top: 8px; font-size: 15px; color: rgba(255,255,255,.78); letter-spacing: 1px; }
.stat-item + .stat-item { border-left: 1px solid rgba(255,255,255,.18); }

/* ---------- 核心服务卡片 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-card .thumb { position: relative; aspect-ratio: 3/2; overflow: hidden; }
.svc-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.svc-card:hover .thumb img { transform: scale(1.06); }
.svc-card .thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8,28,48,.45));
}
.svc-card .tag {
  position: absolute; left: 16px; top: 16px; z-index: 2;
  background: var(--orange); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 12px; border-radius: 999px; letter-spacing: 1px;
}
.svc-card .body { padding: 24px; }
.svc-card h3 { font-size: 19px; color: var(--blue-800); margin-bottom: 10px; font-weight: 700; }
.svc-card p { color: var(--muted); font-size: 14px; margin-bottom: 16px; min-height: 60px; }
.svc-card .more { font-size: 14px; font-weight: 600; color: var(--orange); display: inline-flex; align-items: center; gap: 6px; }
.svc-card .more:hover { color: var(--orange-dark); }
.svc-card .more svg { width: 16px; height: 16px; transition: transform .25s; }
.svc-card .more:hover svg { transform: translateX(4px); }

/* ---------- 案例卡片 ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.case-card .thumb { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.case-card:hover .thumb img { transform: scale(1.06); }
.case-card .cat {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: var(--orange); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 12px; border-radius: 4px; letter-spacing: 1px;
}
.case-card .depth {
  position: absolute; right: 14px; bottom: 14px; z-index: 2;
  background: rgba(8,28,48,.72); color: #fff; font-size: 12px; font-weight: 600;
  padding: 5px 12px; border-radius: 999px; backdrop-filter: blur(4px);
}
.case-card .body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.case-card h3 { font-size: 18px; font-weight: 700; color: var(--blue-800); margin-bottom: 6px; }
.case-card h3 a { color: inherit; }
.case-card h3 a:hover { color: var(--orange); }
.case-card .loc { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.case-card .loc svg { width: 14px; height: 14px; color: var(--orange); }
.case-card .desc { font-size: 14px; color: var(--muted); flex: 1; }

/* ---------- 关于（首页） ---------- */
.about-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.about-media { position: relative; }
.about-media .main-img { border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 4/3.4; object-fit: cover; width: 100%; }
.about-media .badge {
  position: absolute; right: -18px; bottom: -22px;
  background: var(--orange); color: #fff; border-radius: var(--radius);
  padding: 18px 22px; text-align: center; box-shadow: 0 14px 34px rgba(230,126,34,.4);
}
.about-media .badge strong { display: block; font-size: 34px; font-weight: 800; line-height: 1.1; }
.about-media .badge span { font-size: 12px; letter-spacing: 1px; opacity: .92; }
.about-content h2 { font-size: 32px; font-weight: 800; color: var(--blue-700); margin-bottom: 18px; }
.about-content > p { color: var(--ink-soft); margin-bottom: 12px; font-size: 15px; }
.feature-list { margin: 24px 0 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feature-item {
  display: flex; gap: 12px; padding: 14px 16px;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: all .25s;
}
.feature-item:hover { background: var(--orange-light); border-color: rgba(230,126,34,.35); transform: translateY(-2px); }
.feature-item .ficon {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px;
  background: var(--blue-100); color: var(--blue-700);
  display: flex; align-items: center; justify-content: center;
}
.feature-item .ficon svg { width: 22px; height: 22px; }
.feature-item h4 { font-size: 15px; color: var(--blue-800); margin-bottom: 2px; }
.feature-item p { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* ---------- 核心优势（关于页） ---------- */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 26px; text-align: center; transition: all .3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(230,126,34,.4); }
.f-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 16px; margin-bottom: 20px;
  background: var(--orange-light); color: var(--orange-dark);
}
.f-icon svg { width: 30px; height: 30px; }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--blue-800); margin-bottom: 10px; }
.feature-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 服务领域 chips ---------- */
.fields-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.field-chip {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 18px 16px; transition: all .25s; cursor: default;
}
.field-chip:hover { border-color: var(--orange); background: var(--orange-light); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.field-chip svg { width: 26px; height: 26px; color: var(--orange); flex-shrink: 0; }
.field-chip span { font-size: 14px; font-weight: 600; color: var(--ink-soft); }

/* ---------- CTA / 立即咨询 ---------- */
.cta-section { background: linear-gradient(120deg, var(--blue-950), var(--blue-800) 65%, var(--blue-700)); color: #fff; position: relative; overflow: hidden; }
.cta-section::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px); background-size: 26px 26px;
}
.cta-section > .container { position: relative; z-index: 1; }
.cta-wrap { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: start; }
.cta-left h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-left .sub { color: rgba(255,255,255,.8); margin-bottom: 28px; }
.why-list li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px dashed rgba(255,255,255,.2); font-size: 15px; }
.why-list li:last-child { border-bottom: 0; }
.why-list svg { width: 20px; height: 20px; color: #FFB45C; flex-shrink: 0; margin-top: 3px; }
.cta-card { background: #fff; border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-lg); color: var(--ink); }
.cta-card h3 { font-size: 20px; color: var(--blue-800); margin-bottom: 22px; font-weight: 700; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: 14px; font-family: var(--font); color: var(--ink);
  background: #fff; transition: border-color .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--orange); outline: none; }
.form-field textarea { resize: vertical; min-height: 96px; }
.phone-block {
  margin-top: 26px; display: flex; align-items: center; gap: 16px;
  background: var(--orange-light); border: 1px solid rgba(230,126,34,.3); border-radius: var(--radius);
  padding: 18px 20px;
}
.phone-block .p-icon {
  width: 52px; height: 52px; border-radius: 50%; background: var(--orange); color: #fff;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.phone-block .p-icon svg { width: 26px; height: 26px; }
.phone-block .p-label { font-size: 13px; color: var(--muted); }
.phone-block .p-num { font-size: 26px; font-weight: 800; color: var(--orange-dark); letter-spacing: .5px; }
.form-msg { display: none; margin-top: 14px; padding: 12px 16px; border-radius: var(--radius-sm); background: #E7F6EC; color: #1E7E46; font-size: 14px; }
.form-msg.show { display: block; }

/* ---------- 文章详情页（编辑部阅读版） ---------- */
.article-page { background: var(--bg-soft); }
.post-wrap { max-width: 920px; padding-top: 40px; padding-bottom: 72px; }

.post-card {
  position: relative; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.post-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; z-index: 2;
  background: linear-gradient(90deg, var(--orange), var(--orange-dark) 60%, var(--blue-700));
}
.post-lead {
  margin: 26px 52px 0; padding: 16px 20px; border-left: 3px solid var(--orange);
  background: var(--bg-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px; color: var(--ink-soft); line-height: 1.75;
}

.post-cover { margin: 28px 52px 0; }
.post-cover img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-sm); display: block; }

.post-content { padding: 30px 52px 34px; font-size: 16px; color: var(--ink-soft); line-height: 1.9; }
.post-content p { margin-bottom: 20px; text-align: justify; }
.post-content h2 { font-size: 21px; color: var(--blue-800); margin: 32px 0 14px; font-weight: 700; }
.post-content h3 { font-size: 18px; color: var(--blue-700); margin: 26px 0 12px; font-weight: 700; }
.post-content ul, .post-content ol { margin: 0 0 20px 24px; }
.post-content li { margin-bottom: 8px; }
.post-content ul li { list-style: disc; }
.post-content ol li { list-style: decimal; }
.post-content blockquote {
  border-left: 4px solid var(--orange); background: var(--orange-light);
  padding: 14px 20px; margin: 22px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-soft);
}
.post-content img { max-width: 100%; border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow-sm); }
.post-content .img-cap { text-align: center; font-size: 13px; color: var(--muted); margin: -14px 0 24px; }
.post-content .article-src { font-size: 13.5px; color: var(--muted); border-left: 3px solid var(--orange); padding-left: 12px; margin: 18px 0; }
.post-content .verse {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin: 20px 0; font-size: 15px;
}
.post-content .verse li { list-style: none; margin-bottom: 8px; }

.post-foot { margin: 0 52px 44px; padding-top: 22px; border-top: 1px solid var(--line); }
.post-tags { display: flex; gap: 10px; margin-bottom: 20px; }
.post-tags .tag {
  background: var(--blue-50); color: var(--blue-700); font-size: 13px;
  padding: 5px 14px; border-radius: 999px;
}
.post-nav { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 14px; }
.post-nav a { color: var(--ink-soft); max-width: 62%; display: inline-flex; align-items: center; gap: 6px; }
.post-nav a:hover { color: var(--orange); }
.post-nav .next { text-align: right; color: var(--orange); font-weight: 700; margin-left: auto; }
.post-nav svg { width: 14px; height: 14px; flex-shrink: 0; }

/* 相关阅读 */
.related { margin-top: 48px; }
.related-head { text-align: center; margin-bottom: 28px; }
.related-head h2 { font-size: 26px; font-weight: 800; color: var(--blue-800); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s;
}
.rel-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(230,126,34,.45); }
.rel-thumb { display: block; aspect-ratio: 16/9; overflow: hidden; position: relative; }
.rel-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.rel-card:hover .rel-thumb img { transform: scale(1.07); }
.rel-body { display: block; padding: 16px 18px 18px; }
.rel-date { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.rel-body strong { display: block; font-size: 15.5px; color: var(--blue-800); line-height: 1.5; font-weight: 700; }
.rel-card:hover .rel-body strong { color: var(--orange); }

/* 文末咨询 */
.post-cta {
  margin-top: 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  background: linear-gradient(120deg, var(--blue-800), var(--blue-700)); border-radius: var(--radius);
  padding: 34px 40px; color: #fff;
}
.post-cta h3 { font-size: 21px; font-weight: 800; margin-bottom: 6px; }
.post-cta p { color: rgba(255,255,255,.8); font-size: 14px; }
.post-cta .cta-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.post-cta .cta-hot { color: #FFB45C; font-size: 24px; font-weight: 800; letter-spacing: 1px; }

/* ---------- 新闻列表 ---------- */
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  display: grid; grid-template-columns: 300px 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; overflow: hidden; transition: all .3s;
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(230,126,34,.45); }
.news-item .news-thumb { position: relative; display: block; overflow: hidden; min-height: 190px; border-radius: calc(var(--radius) - 4px); }
.news-item .news-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-item:hover .news-thumb img { transform: scale(1.06); }
.news-item .news-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(8,28,48,.12), transparent 55%); }
.news-item .thumb-arrow {
  position: absolute; right: 12px; bottom: 12px; z-index: 2;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--orange); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 18px rgba(230,126,34,.45); transition: transform .3s;
}
.news-item .thumb-arrow svg { width: 16px; height: 16px; }
.news-item:hover .thumb-arrow { transform: rotate(-45deg); }
.news-item .news-body { padding: 10px 18px 10px 24px; display: flex; flex-direction: column; }
.news-item .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.news-item .news-meta .date { font-size: 12.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.news-item .news-meta .date svg { width: 14px; height: 14px; color: var(--orange); }
.news-item .news-meta .tag {
  font-size: 12px; font-weight: 600; color: var(--orange);
  background: var(--orange-light); border: 1px solid rgba(230,126,34,.35);
  border-radius: 999px; padding: 3px 12px;
}
.news-item h3 { font-size: 18px; font-weight: 700; color: var(--blue-800); line-height: 1.45; margin-bottom: 8px; }
.news-item h3 a { color: inherit; }
.news-item h3 a:hover { color: var(--orange); }
.news-item p { font-size: 13.5px; color: var(--muted); line-height: 1.7; flex: 1; }
.news-item .more {
  margin-top: 12px; align-self: flex-start; display: inline-flex; align-items: center; gap: 6px;
  color: var(--orange); font-weight: 700; font-size: 14px;
}
.news-item .more svg { width: 15px; height: 15px; transition: transform .25s; }
.news-item .more:hover svg { transform: translateX(4px); }

/* ---------- 服务页（长条目） ---------- */
.service-block { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--line); }
.service-block:first-child { padding-top: 0; }
.service-block:last-child { border-bottom: 0; }
.service-block:nth-child(even) .svc-media { order: 2; }
.service-block .svc-media { position: relative; }
.service-block .svc-media img { border-radius: var(--radius); aspect-ratio: 16/10; object-fit: cover; width: 100%; box-shadow: var(--shadow-md); }
.service-block .svc-media .num-tag {
  position: absolute; top: -18px; left: -14px; width: 64px; height: 64px;
  background: var(--orange); color: #fff; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; box-shadow: 0 10px 24px rgba(230,126,34,.4);
}
.service-block .svc-info h2 { font-size: 26px; font-weight: 800; color: var(--blue-700); margin-bottom: 8px; }
.service-block .svc-info .en { font-size: 12px; letter-spacing: 2px; color: var(--orange); font-weight: 700; margin-bottom: 14px; display: block; }
.service-block .svc-info > p { color: var(--ink-soft); margin-bottom: 16px; }
.service-block .svc-points li { display: flex; gap: 10px; padding: 7px 0; font-size: 14.5px; color: var(--ink-soft); }
.service-block .svc-points svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; margin-top: 4px; }
.svc-stats { display: flex; gap: 24px; margin-top: 20px; }
.svc-stats .s { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 18px; flex: 1; }
.svc-stats .s strong { display: block; font-size: 22px; color: var(--blue-700); font-weight: 800; }
.svc-stats .s span { font-size: 12px; color: var(--muted); }

/* ---------- 案例筛选 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  padding: 9px 22px; border-radius: 999px; border: 1.5px solid var(--line);
  background: #fff; color: var(--ink-soft); font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all .25s; font-family: var(--font);
}
.filter-btn:hover { border-color: var(--orange); color: var(--orange); }
.filter-btn.active { background: var(--orange); border-color: var(--orange); color: #fff; box-shadow: 0 8px 18px rgba(230,126,34,.3); }
.grid-hidden { display: none !important; }

/* ---------- 资质荣誉（关于页） ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-card { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 20px; transition: all .3s; }
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(230,126,34,.4); }
.honor-card .hicon {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--orange-light); color: var(--orange);
  display: flex; align-items: center; justify-content: center;
}
.honor-card .hicon svg { width: 30px; height: 30px; }
.honor-card h3 { font-size: 16px; color: var(--blue-800); margin-bottom: 6px; font-weight: 700; }
.honor-card p { font-size: 13px; color: var(--muted); }

/* ---------- 时间轴（发展历程） ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--orange), var(--blue-500)); transform: translateX(-50%); }
.tl-item { display: grid; grid-template-columns: 1fr 56px 1fr; align-items: center; gap: 0; margin-bottom: 30px; }
.tl-item:last-child { margin-bottom: 0; }
.tl-dot {
  justify-self: center; width: 18px; height: 18px; border-radius: 50%;
  background: var(--orange); border: 4px solid #fff; box-shadow: 0 0 0 3px var(--orange);
}
.tl-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--shadow-sm); transition: all .25s; }
.tl-card:hover { box-shadow: var(--shadow-md); border-color: rgba(230,126,34,.35); }
.tl-item:nth-child(odd) .tl-card { grid-column: 1; text-align: right; }
.tl-item:nth-child(even) .tl-card { grid-column: 3; }
.tl-card .year { font-size: 24px; font-weight: 800; color: var(--orange); line-height: 1.2; }
.tl-card h4 { font-size: 16px; color: var(--blue-800); margin: 4px 0 4px; font-weight: 700; }
.tl-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info-card { background: linear-gradient(150deg, var(--blue-900), var(--blue-700)); color: #fff; border-radius: var(--radius); padding: 38px; }
.contact-info-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.contact-info-card > p { color: rgba(255,255,255,.8); font-size: 14px; margin-bottom: 26px; }
.c-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.c-item:last-child { border-bottom: 0; }
.c-item .c-icon {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px;
  background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center;
}
.c-item .c-icon svg { width: 22px; height: 22px; color: #FFB45C; }
.c-item h4 { font-size: 14px; font-weight: 600; color: rgba(255,255,255,.75); margin-bottom: 2px; }
.c-item p, .c-item a { font-size: 15.5px; color: #fff; font-weight: 600; }
.c-item a:hover { color: #FFB45C; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--blue-950); color: rgba(255,255,255,.72); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1.1fr; gap: 48px; padding: 64px 0 44px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand .brand-name strong { color: #fff; }
.footer-brand .brand-name span { color: rgba(255,255,255,.55); }
.footer-brand > p { font-size: 14px; line-height: 1.8; max-width: 380px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; border-radius: 2px; background: var(--orange); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,.72); font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: all .2s; }
.footer-col ul a:hover { color: #FFB45C; padding-left: 4px; }
.footer-col ul a svg { width: 14px; height: 14px; color: var(--orange); }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; color: #FFB45C; flex-shrink: 0; margin-top: 3px; }
.footer-contact .hot { color: #FFB45C; font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #FFB45C; }

/* ---------- 其他 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--orange); color: #fff; box-shadow: 0 10px 24px rgba(230,126,34,.4);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .3s;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--orange-dark); }
.back-top svg { width: 20px; height: 20px; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide, .svc-card .thumb img, .case-card .thumb img, .news-item .news-thumb img { transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .services-grid, .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .fields-grid { grid-template-columns: repeat(3, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-wrap { grid-template-columns: 1fr; gap: 40px; }
  .service-block { grid-template-columns: 1fr; gap: 30px; }
  .service-block:nth-child(even) .svc-media { order: 0; }
  .about-wrap { grid-template-columns: 1fr; gap: 44px; }
  .about-media { max-width: 520px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .news-item { grid-template-columns: 1fr; }
  .news-item .news-thumb { min-height: 200px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .timeline::before { left: 28px; }
  .tl-item { grid-template-columns: 56px 1fr; }
  .tl-item:nth-child(odd) .tl-card, .tl-item:nth-child(even) .tl-card { grid-column: 2; text-align: left; }
  .tl-dot { grid-column: 1; justify-self: center; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .post-lead { margin: 24px 30px 0; }
  .post-content { padding: 26px 30px 30px; }
  .post-cover { margin: 24px 30px 0; }
  .post-foot { margin: 0 30px 34px; }
}
@media (max-width: 768px) {
  .main-nav, .header-phone { display: none; }
  .menu-toggle { display: block; }
  .header-inner { height: 66px; }
  .hero { min-height: 520px; }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 16px; }
  .hero-content { padding: 96px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .stat-item + .stat-item { border-left: 0; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero { padding: 48px 0 56px; }
  .services-grid, .cases-grid, .fields-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .fields-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: 1fr; }
  .news-item .news-thumb { min-height: 180px; }
  .news-item .news-body { padding: 12px 6px 14px; }
  .post-lead { margin: 22px 22px 0; font-size: 14px; }
  .post-cover { margin: 22px 22px 0; }
  .post-content { padding: 22px 22px 26px; font-size: 15px; }
  .post-foot { margin: 0 22px 30px; }
  .post-nav { flex-direction: column; align-items: flex-start; }
  .post-nav a { max-width: 100%; }
  .related-grid { grid-template-columns: 1fr; }
  .post-cta { padding: 26px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 32px; }
  .footer-brand { grid-column: auto; }
  .site-footer .container { padding-left: 19px; }
  .svc-stats { flex-direction: column; gap: 12px; }
  .tl-card .year { font-size: 20px; }
}
@media (max-width: 480px) {
  .services-grid, .cases-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
  .stat-item .num { font-size: 40px; }
  .about-media .badge { right: 6px; bottom: -18px; padding: 14px 18px; }
  .features-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
}