/* ==========================================================================
   苏州特勤物业管理有限公司 · 官方网站样式表
   行业：物业管理 / 保安服务 / 安防工程
   特点：响应式、无障碍、语义化、首屏无阻塞
   ========================================================================== */

:root {
  --c-primary: #0b3d91;
  --c-primary-dark: #072a66;
  --c-primary-light: #1a5ac4;
  --c-accent: #c8102e;
  --c-accent-dark: #9d0c24;
  --c-gold: #c9a227;
  --c-text: #1f2937;
  --c-text-sub: #5b6675;
  --c-line: #e3e8ef;
  --c-bg: #f5f7fa;
  --c-bg-alt: #eef2f7;
  --c-white: #ffffff;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(15, 35, 70, .06);
  --shadow: 0 6px 24px rgba(15, 35, 70, .10);
  --shadow-lg: 0 16px 48px rgba(15, 35, 70, .16);
  --wrap: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-white);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; border: 0; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .6em; line-height: 1.35; font-weight: 700; color: #10233f; }
p { margin: 0 0 1em; }
button { font-family: inherit; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  background: var(--c-primary); color: #fff; padding: 10px 18px;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--c-primary-dark);
  color: #cddcf5;
  font-size: 13px;
  line-height: 1;
  padding: 9px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #cddcf5; }
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.topbar-right { display: flex; gap: 18px; align-items: center; }
.topbar .tel { color: var(--c-gold); font-weight: 700; font-size: 15px; letter-spacing: .5px; }

/* ---------- 头部导航 ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--c-line);
  position: sticky; top: 0; z-index: 500;
  box-shadow: 0 1px 0 rgba(15, 35, 70, .04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; letter-spacing: -1px;
  box-shadow: var(--shadow-sm);
}
.logo-text b { display: block; font-size: 19px; color: #10233f; line-height: 1.25; letter-spacing: .5px; }
.logo-text span { display: block; font-size: 11px; color: var(--c-text-sub); letter-spacing: 1.6px; text-transform: uppercase; }

/* 主导航 */
.main-nav > ul { display: flex; align-items: center; gap: 2px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 12px 16px; font-size: 16px; font-weight: 600;
  color: #22334d; border-radius: var(--radius); white-space: nowrap;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a { color: var(--c-primary); background: var(--c-bg-alt); }
.main-nav .sub {
  position: absolute; top: 100%; left: 0; min-width: 170px; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8px; display: none; z-index: 20;
}
.main-nav li:hover > .sub, .main-nav li:focus-within > .sub { display: block; }
.main-nav .sub a { display: block; padding: 9px 14px; font-size: 14.5px; color: #33465f; border-radius: 4px; }
.main-nav .sub a:hover { background: var(--c-bg-alt); color: var(--c-primary); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--c-line);
  background: #fff; border-radius: var(--radius); cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: #22334d; position: relative;
  transition: .25s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--c-bg); }
.section-dark { background: linear-gradient(135deg, #0a2a5e 0%, #103f86 100%); color: #d8e3f6; }
.section-dark h2, .section-dark h3 { color: #fff; }

.sec-head { text-align: center; margin-bottom: 46px; }
.sec-head .en {
  display: block; font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--c-primary-light); font-weight: 600; margin-bottom: 8px;
}
.sec-head h2 { font-size: 32px; margin-bottom: 12px; }
.sec-head h2::after {
  content: ""; display: block; width: 56px; height: 3px; margin: 14px auto 0;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent)); border-radius: 2px;
}
.sec-head p { color: var(--c-text-sub); font-size: 15.5px; max-width: 720px; margin: 0 auto; }
.section-dark .sec-head p { color: #b9cbe8; }
.section-dark .sec-head .en { color: var(--c-gold); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; font-size: 16px; font-weight: 600; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; transition: .22s; line-height: 1.2;
}
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.btn-outline { background: transparent; border-color: var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.btn-lg { padding: 16px 38px; font-size: 17px; }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(120deg, #061d3f 0%, #0b3d91 52%, #12509f 100%);
  min-height: 540px; display: flex; align-items: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 54px 54px;
}
.hero::after {
  content: ""; position: absolute; right: -140px; top: -120px;
  width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,16,46,.28) 0%, transparent 68%);
}
.hero .wrap { position: relative; z-index: 2; padding-top: 70px; padding-bottom: 70px; }
.hero-inner { max-width: 780px; }
.hero .kicker {
  display: inline-block; font-size: 13.5px; letter-spacing: 2.5px; color: var(--c-gold);
  border: 1px solid rgba(201,162,39,.55); border-radius: 40px; padding: 6px 18px; margin-bottom: 22px;
}
.hero h1 { font-size: 44px; color: #fff; line-height: 1.28; margin-bottom: 20px; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--c-gold); }
.hero p.lead { font-size: 17.5px; color: #ccdcf3; margin-bottom: 34px; max-width: 640px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 54px;
  background: rgba(255,255,255,.16); border-radius: var(--radius-lg); overflow: hidden;
}
.hero-stats div { background: rgba(6,29,63,.42); padding: 20px 16px; text-align: center; }
.hero-stats b { display: block; font-size: 30px; color: var(--c-gold); font-weight: 800; line-height: 1.2; }
.hero-stats span { font-size: 13.5px; color: #ccdcf3; }

/* ---------- 面包屑 ---------- */
.crumb { background: var(--c-bg); border-bottom: 1px solid var(--c-line); padding: 13px 0; font-size: 14px; }
.crumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--c-text-sub); }
.crumb li::after { content: "›"; margin-left: 8px; color: #a9b6c8; }
.crumb li:last-child::after { content: ""; }
.crumb a { color: var(--c-text-sub); }
.crumb a:hover { color: var(--c-primary); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 26px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 30px 28px; transition: .26s; height: 100%; position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent)); transition: width .32s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #cdd9ea; }
.card:hover::before { width: 100%; }
.card .ico {
  width: 54px; height: 54px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #e8effb, #dbe6f8); color: var(--c-primary);
  font-size: 24px; font-weight: 800; margin-bottom: 18px;
}
.card h3 { font-size: 19.5px; margin-bottom: 10px; }
.card p { color: var(--c-text-sub); font-size: 15px; margin-bottom: 16px; }
.card .more { font-size: 14.5px; font-weight: 600; color: var(--c-primary); }
.card .more::after { content: " →"; transition: .2s; }
.card:hover .more::after { margin-left: 4px; }

/* 编号卡（四大优势） */
.numcard {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 32px 28px 30px; position: relative; height: 100%;
}
.numcard .no {
  font-size: 44px; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 12px; letter-spacing: -2px;
}
.numcard h3 { font-size: 19px; margin-bottom: 10px; }
.numcard p { font-size: 14.8px; color: var(--c-text-sub); margin: 0 0 10px; }
.numcard ul { font-size: 14.5px; color: var(--c-text-sub); }
.numcard ul li { padding-left: 18px; position: relative; margin-bottom: 7px; }
.numcard ul li::before {
  content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--c-primary-light);
}

/* ---------- 服务领域列表 ---------- */
.field-card { display: flex; gap: 20px; align-items: flex-start; }
.field-card .badge {
  flex-shrink: 0; width: 60px; height: 60px; border-radius: 12px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
}
.field-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.field-card p { font-size: 14.8px; color: var(--c-text-sub); margin-bottom: 12px; }

/* ---------- 关于我们 双栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-media {
  border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 380px;
  background: linear-gradient(150deg, #0b3d91 0%, #061d3f 100%);
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: var(--shadow-lg);
}
.split-media .figure {
  text-align: center; padding: 40px;
}
.split-media .figure b { display: block; font-size: 62px; font-weight: 800; color: var(--c-gold); line-height: 1; }
.split-media .figure span { display: block; font-size: 15px; color: #ccdcf3; margin-top: 8px; letter-spacing: 1px; }
.split-media .figure hr { border: 0; border-top: 1px solid rgba(255,255,255,.2); margin: 22px 0; }
.split h2 { font-size: 31px; margin-bottom: 18px; }
.split .en-sm { display: block; font-size: 12.5px; letter-spacing: 3px; color: var(--c-primary-light); font-weight: 700; margin-bottom: 8px; }
.split p { color: var(--c-text-sub); }
.check-list { margin: 22px 0; }
.check-list li { position: relative; padding-left: 28px; margin-bottom: 11px; color: #33465f; font-size: 15.4px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: #fff; background: var(--c-primary);
  width: 18px; height: 18px; border-radius: 50%; font-size: 11px; line-height: 18px; text-align: center; font-weight: 700;
}

/* ---------- 实力数字 ---------- */
.counter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.counter {
  text-align: center; padding: 34px 18px; border-radius: var(--radius-lg);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
}
.counter b { display: block; font-size: 46px; font-weight: 800; color: var(--c-gold); line-height: 1.1; }
.counter span { display: block; font-size: 14.5px; color: #c3d4ee; margin-top: 8px; }

/* ---------- 案例 ---------- */
.case-card {
  border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  border: 1px solid var(--c-line); transition: .26s;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.case-thumb {
  height: 190px; background: linear-gradient(135deg, #0b3d91, #12509f);
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.9);
  font-size: 15px; font-weight: 600; letter-spacing: 1px; position: relative;
}
.case-thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.case-body { padding: 22px 24px; }
.case-body h3 { font-size: 17.5px; margin-bottom: 8px; }
.case-body p { font-size: 14.6px; color: var(--c-text-sub); margin: 0; }

/* ---------- 新闻 ---------- */
.news-list { display: grid; gap: 18px; }
.news-item {
  display: flex; gap: 20px; align-items: flex-start; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 22px 24px; transition: .24s;
}
.news-item:hover { border-color: #c6d5ec; box-shadow: var(--shadow-sm); }
.news-date {
  flex-shrink: 0; width: 74px; text-align: center; border-right: 1px solid var(--c-line); padding-right: 18px;
}
.news-date b { display: block; font-size: 26px; font-weight: 800; color: var(--c-primary); line-height: 1.1; }
.news-date span { font-size: 12.5px; color: var(--c-text-sub); }
.news-main h3 { font-size: 17.5px; margin-bottom: 6px; line-height: 1.5; }
.news-main h3 a { color: #10233f; }
.news-main h3 a:hover { color: var(--c-primary); }
.news-main p { font-size: 14.5px; color: var(--c-text-sub); margin: 0; }

/* ---------- 正文排版（详情页） ---------- */
.article { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 44px 48px; }
.article-header { border-bottom: 1px solid var(--c-line); padding-bottom: 20px; margin-bottom: 28px; }
.article-header h1, .article-header .art-title { font-size: 29px; margin-bottom: 12px; font-weight: 700; color: #10233f; line-height: 1.35; }
.article-meta { font-size: 13.8px; color: var(--c-text-sub); display: flex; gap: 20px; flex-wrap: wrap; }
.article-body { font-size: 16.4px; color: #2c3e58; }
.article-body h2 { font-size: 22px; margin: 34px 0 14px; padding-left: 14px; border-left: 4px solid var(--c-primary); }
.article-body h3 { font-size: 18.5px; margin: 26px 0 12px; color: #16294a; }
.article-body p { margin-bottom: 16px; text-align: justify; }
.article-body ul, .article-body ol { margin: 0 0 18px; }
.article-body ul li { position: relative; padding-left: 24px; margin-bottom: 9px; }
.article-body ul li::before {
  content: ""; position: absolute; left: 6px; top: 12px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--c-primary-light);
}
.article-body ol { counter-reset: n; }
.article-body ol li { position: relative; padding-left: 30px; margin-bottom: 9px; counter-increment: n; }
.article-body ol li::before {
  content: counter(n); position: absolute; left: 0; top: 4px; width: 20px; height: 20px;
  border-radius: 50%; background: var(--c-primary); color: #fff; font-size: 12px;
  line-height: 20px; text-align: center; font-weight: 700;
}
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15.2px; }
.article-body th, .article-body td { border: 1px solid var(--c-line); padding: 12px 16px; text-align: left; }
.article-body th { background: var(--c-bg-alt); font-weight: 700; color: #16294a; }
.article-body blockquote {
  margin: 20px 0; padding: 16px 22px; background: var(--c-bg); border-left: 4px solid var(--c-gold);
  color: #33465f; border-radius: 0 var(--radius) var(--radius) 0;
}
.article-body .tip {
  background: #eef4ff; border: 1px solid #cfdffa; border-radius: var(--radius);
  padding: 18px 22px; margin: 22px 0; font-size: 15.4px;
}
.article-body .tip strong { color: var(--c-primary); }

/* 侧栏 */
.layout-side { display: grid; grid-template-columns: 260px 1fr; gap: 34px; align-items: start; }
.side-nav { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; position: sticky; top: 90px; }
.side-nav h3 {
  margin: 0; padding: 18px 22px; font-size: 17px; color: #fff;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
}
.side-nav a {
  display: block; padding: 13px 22px; font-size: 15.2px; color: #33465f;
  border-bottom: 1px solid var(--c-line);
}
.side-nav a:last-child { border-bottom: 0; }
.side-nav a:hover, .side-nav a.active { background: var(--c-bg-alt); color: var(--c-primary); padding-left: 28px; font-weight: 600; }
.side-cta {
  margin-top: 22px; background: linear-gradient(150deg, #0b3d91, #061d3f); color: #fff;
  border-radius: var(--radius-lg); padding: 26px 22px; text-align: center;
}
.side-cta b { display: block; font-size: 15px; color: var(--c-gold); margin-bottom: 6px; }
.side-cta .phone { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px; display: block; margin: 6px 0 4px; }
.side-cta small { color: #b9cbe8; font-size: 13px; }
.side-cta .btn { margin-top: 16px; width: 100%; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field label { display: block; font-size: 14.5px; font-weight: 600; color: #2c3e58; margin-bottom: 7px; }
.form-field label .req { color: var(--c-accent); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 13px 15px; font-size: 15.4px; font-family: inherit;
  border: 1px solid #d5deea; border-radius: var(--radius); background: #fff; color: var(--c-text);
  transition: .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 0; border-color: var(--c-primary-light); box-shadow: 0 0 0 3px rgba(26,90,196,.12);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 13.5px; color: var(--c-text-sub); }

/* ---------- 联系方式卡 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 30px 26px; text-align: center;
}
.contact-card .ico {
  width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%;
  background: linear-gradient(135deg, #e8effb, #dbe6f8); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center; font-size: 25px;
}
.contact-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.contact-card p { font-size: 15.4px; color: var(--c-text-sub); margin: 0; word-break: break-all; }
.contact-card .big { font-size: 20px; font-weight: 800; color: var(--c-accent); }

/* ---------- 页面头部 banner ---------- */
.page-hero {
  background: linear-gradient(120deg, #061d3f 0%, #0b3d91 100%);
  color: #fff; padding: 62px 0; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -100px; bottom: -160px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(200,16,46,.3), transparent 70%);
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 35px; margin-bottom: 10px; }
.page-hero p { color: #c3d4ee; max-width: 760px; margin: 0; font-size: 16.4px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #081a34; color: #93a8c6; font-size: 14.6px; padding-top: 56px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.site-footer h3 { color: #fff; font-size: 16.5px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.site-footer h3::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--c-accent);
}
.site-footer a { color: #93a8c6; }
.site-footer a:hover { color: #fff; }
.footer-links li { margin-bottom: 11px; }
.footer-contact li { margin-bottom: 13px; line-height: 1.7; }
.footer-contact b { color: #d6e2f5; font-weight: 600; }
.footer-about p { line-height: 1.9; margin-bottom: 16px; }
.footer-tel { font-size: 25px; font-weight: 800; color: var(--c-gold); display: block; margin-bottom: 6px; letter-spacing: .5px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: 13.6px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center;
}
.footer-bottom p { margin: 0; }
.footer-bottom a { margin-left: 14px; }

/* 返回顶部 */
.to-top {
  position: fixed; right: 22px; bottom: 92px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-primary); color: #fff; border: 0; cursor: pointer; display: none;
  align-items: center; justify-content: center; box-shadow: var(--shadow); z-index: 400; font-size: 19px;
}
.to-top.show { display: flex; }
.to-top:hover { background: var(--c-accent); }

/* 移动端底部通栏 */
.mobile-bar { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute; left: 0; right: 0; top: 100%; background: #fff;
    border-bottom: 1px solid var(--c-line); box-shadow: var(--shadow);
    display: none; max-height: 76vh; overflow-y: auto;
  }
  .main-nav.open { display: block; }
  .main-nav > ul { display: block; padding: 10px; }
  .main-nav > ul > li > a { padding: 13px 14px; border-bottom: 1px solid var(--c-line); border-radius: 0; }
  .main-nav .sub {
    position: static; display: block; border: 0; box-shadow: none; padding: 0 0 6px 16px;
    min-width: 0; background: var(--c-bg);
  }
  .main-nav .sub a { padding: 9px 14px; border-bottom: 1px dashed var(--c-line); }
  .header-inner { position: relative; }

  .split { grid-template-columns: 1fr; gap: 34px; }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .layout-side { grid-template-columns: 1fr; }
  .side-nav { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 33px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .article { padding: 30px 24px; }
  .sec-head h2 { font-size: 26px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .section { padding: 48px 0; }
  .g-2, .g-3, .g-4, .counter-grid, .form-row { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .hero h1 { font-size: 27px; }
  .hero p.lead { font-size: 15.6px; }
  .hero-stats b { font-size: 24px; }
  .page-hero h1 { font-size: 25px; }
  .article-header h1 { font-size: 22px; }
  .news-item { flex-direction: column; gap: 12px; }
  .news-date { border-right: 0; border-bottom: 1px solid var(--c-line); padding: 0 0 10px; width: auto; text-align: left; display: flex; gap: 8px; align-items: baseline; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .to-top { bottom: 76px; right: 14px; }
  .topbar-left { gap: 12px; font-size: 12px; }

  .mobile-bar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 600;
    background: #fff; border-top: 1px solid var(--c-line); box-shadow: 0 -2px 12px rgba(0,0,0,.08);
  }
  .mobile-bar a {
    flex: 1; text-align: center; padding: 11px 4px; font-size: 12.5px; color: #33465f; font-weight: 600;
  }
  .mobile-bar a:first-child { background: var(--c-accent); color: #fff; }
  .mobile-bar a span { display: block; font-size: 17px; line-height: 1.1; }
  .site-footer { padding-bottom: 58px; }
}

@media print {
  .topbar, .site-header, .to-top, .mobile-bar, .side-cta, .hero-actions { display: none !important; }
  body { color: #000; }
}