/* ==========================================================================
   「深蓝金典藏版」工程造价咨询企业官网 · 全站唯一样式表
   风格：深海蓝 + 香槟金 · 金线金边 · 宋体衬线 · 庄重大气
   ========================================================================== */

/* --------------------------------------------------------------------------
 * 1. 设计变量（第二章 2.2 完整色板）
 * ------------------------------------------------------------------------ */
:root {
  --c-deep-1: #0A1F44;
  --c-deep-2: #0E2A5C;
  --c-blue: #1E4E9C;
  --c-gold-1: #C9A96E;
  --c-gold-2: #D4AF37;
  --c-gold-3: #E5C07B;
  --c-bg: #F7F8FA;
  --c-bg-2: #EEF2F7;
  --c-text: #1A1A2E;
  --c-text-2: #5A6B8C;
  --c-line: #E3E8F0;
  --c-white: #FFFFFF;
  --c-deep-text: #A9B7D0;
  --grad-gold: linear-gradient(90deg, #C9A96E, #D4AF37, #E5C07B);
  --grad-deep: linear-gradient(135deg, #0A1F44, #0E2A5C);
  --shadow-card: 0 6px 20px rgba(10, 31, 68, .06);
  --shadow-card-hover: 0 14px 34px rgba(10, 31, 68, .14);
  --shadow-deep: 0 10px 30px rgba(10, 31, 68, .35);
  --radius-block: 2px;
  --radius-card: 8px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

/* --------------------------------------------------------------------------
 * 2. 基础样式
 * ------------------------------------------------------------------------ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { overflow-x: hidden; scroll-behavior: smooth; }

body {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 15px; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-deep-1);
  line-height: 1.4;
}
h1 { font-size: 48px; }
h2 { font-size: 36px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; letter-spacing: .02em; }

p { color: var(--c-text); }
.text-2 { color: var(--c-text-2); }
.gold-text { color: var(--c-gold-2); }

/* 焦点可见性（ui-ux-pro-max） */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--c-gold-2);
  outline-offset: 2px;
}

/* 全站禁止选中（配合 js/main.js 防复制） */
body { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; }

/* --------------------------------------------------------------------------
 * 3. 顶部信息条（4.0.1）
 * ------------------------------------------------------------------------ */
.top-bar {
  background: var(--c-deep-1);
  height: 36px;
  color: var(--c-deep-text);
  font-size: 14px;
}
.top-bar .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.top-bar .slogan { padding-left: 10px; border-left: 2px solid var(--c-gold-2); letter-spacing: .06em; }
.top-bar .contact-links a { color: var(--c-white); margin-left: 22px; font-size: 14px; }
.top-bar .contact-links a i { color: var(--c-gold-2); margin-right: 5px; }
.top-bar .contact-links a:hover { color: var(--c-gold-3); }

/* --------------------------------------------------------------------------
 * 4. 页头导航（4.0.2）
 * ------------------------------------------------------------------------ */
.site-header {
  position: relative;
  z-index: 100;
  background: var(--grad-deep);
  height: 78px;
  transition: height .3s ease, box-shadow .3s ease;
}
.site-header.fixed {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 62px;
  box-shadow: 0 4px 20px rgba(10, 31, 68, .25);
}
body.has-topbar .site-header.fixed { top: 0; }

.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; }

/* 文字型 Logo（4.0.4） */
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-badge {
  width: 40px; height: 40px;
  background: var(--grad-gold);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-deep-1);
  font-size: 21px;
  font-weight: 700;
}
.logo-text .cn { font-size: 26px; font-weight: 700; color: var(--c-white); letter-spacing: .06em; line-height: 1.1; }
.logo-text .en { font-size: 10px; color: var(--c-gold-2); letter-spacing: .18em; display: block; margin-top: 2px; }

/* 主导航 */
.main-nav { display: flex; align-items: center; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 17px;
  height: 78px;
  color: var(--c-white);
  font-size: 16px;
  letter-spacing: .04em;
  position: relative;
}
.site-header.fixed .main-nav > li > a { height: 62px; }
.main-nav > li > a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  background: var(--grad-gold);
  transform: translateX(-50%);
  transition: width .3s ease;
}
.main-nav > li > a:hover,
.main-nav > li > a.active { color: var(--c-gold-3); font-weight: 700; }
.main-nav > li > a:hover::after,
.main-nav > li > a.active::after { width: 100%; }
.main-nav > li > a i.fa-chevron-down { font-size: 11px; transition: transform .25s ease; }
.main-nav > li:hover > a i.fa-chevron-down { transform: rotate(180deg); }

/* 下拉二级菜单 */
.dropdown-menu {
  position: absolute;
  top: 100%; left: 0;
  min-width: 224px;
  background: var(--c-deep-2);
  border-top: 2px solid var(--grad-gold);
  box-shadow: var(--shadow-deep);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
}
.main-nav > li:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: block;
  padding: 12px 20px;
  color: var(--c-white);
  font-size: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  position: relative;
  padding-left: 24px;
  transition: background .2s ease, color .2s ease;
}
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad-gold);
  opacity: 0;
  transition: opacity .2s ease;
}
.dropdown-menu a:hover { background: rgba(30, 78, 156, .35); color: var(--c-gold-3); padding-left: 28px; }
.dropdown-menu a:hover::before { opacity: 1; }

/* 立即咨询 CTA 按钮（导航内） */
.nav-cta { flex-shrink: 0; margin-left: 18px; }
.btn-cta-nav {
  display: inline-block;
  background: var(--grad-gold);
  color: var(--c-deep-1);
  font-weight: 700;
  font-size: 15px;
  padding: 9px 20px;
  border-radius: 4px;
  letter-spacing: .04em;
  transition: filter .25s ease, transform .25s ease, box-shadow .25s ease;
}
.btn-cta-nav:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(212, 175, 55, .4); }

/* 汉堡按钮（移动端） */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  color: var(--c-gold-2);
  font-size: 22px;
  align-items: center; justify-content: center;
  border-radius: 4px;
}
.nav-toggle:hover { color: var(--c-gold-3); background: rgba(255, 255, 255, .08); }

/* 移动端全屏菜单 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 31, 68, .98);
  display: flex;
  flex-direction: column;
  padding: 86px 28px 40px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu > li { border-bottom: 1px solid rgba(201, 169, 110, .25); }
.mobile-menu > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 4px;
  color: var(--c-white);
  font-size: 17px;
  letter-spacing: .05em;
  min-height: 44px;
}
.mobile-menu > li > a.active { color: var(--c-gold-2); font-weight: 700; }
.mobile-menu > li > a i.fa-chevron-down { font-size: 13px; transition: transform .3s ease; }
.mobile-menu > li.open > a i.fa-chevron-down { transform: rotate(180deg); }
.mobile-sub { display: none; padding: 2px 0 14px 16px; }
.mobile-menu > li.open > .mobile-sub { display: block; }
.mobile-sub a {
  display: block;
  padding: 10px 6px;
  color: var(--c-deep-text);
  font-size: 15px;
  border-left: 2px solid rgba(201, 169, 110, .4);
  padding-left: 14px;
  min-height: 44px;
}
.mobile-sub a:hover, .mobile-sub a.active { color: var(--c-gold-3); }
.mobile-menu .mm-cta { margin-top: 24px; }

/* --------------------------------------------------------------------------
 * 5. 按钮（2.5 通用组件）
 * ------------------------------------------------------------------------ */
.btn {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: 4px;
  padding: 14px 32px;
  text-align: center;
  transition: all .25s ease;
  min-height: 46px;
}
.btn-primary {
  background: var(--grad-gold);
  color: var(--c-deep-1);
  box-shadow: 0 4px 14px rgba(212, 175, 55, .3);
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-2px); color: var(--c-deep-1); }
.btn-outline {
  border: 1px solid var(--c-gold-1);
  color: var(--c-gold-1);
  background: transparent;
}
.btn-outline:hover { background: var(--grad-gold); color: var(--c-deep-1); border-color: transparent; }
.btn-outline-light { border-color: rgba(255, 255, 255, .75); color: var(--c-white); }
.btn-outline-light:hover { background: var(--grad-gold); color: var(--c-deep-1); border-color: transparent; }
.btn-blue { background: var(--c-blue); color: var(--c-white); }
.btn-blue:hover { background: var(--c-deep-2); color: var(--c-white); transform: translateY(-2px); }

/* --------------------------------------------------------------------------
 * 6. 区块结构 + 标题金线（2.3）
 * ------------------------------------------------------------------------ */
.section { padding: 80px 0; }
.section-bg-2 { background: var(--c-bg-2); }
/* 布局工具类（替代少量内联样式，保持 HTML 纯净） */
.pad-y-sm { padding-top: 36px; padding-bottom: 36px; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.container-narrow { max-width: 1040px; }
.btn-block { width: 100%; }
.section-deep { background: var(--grad-deep); position: relative; }
.section-deep::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M60 0H0V60' fill='none' stroke='%23C9A96E' stroke-opacity='0.05'/%3E%3C/svg%3E");
  pointer-events: none;
}

.sec-head { text-align: center; margin-bottom: 48px; position: relative; }
.sec-head.left { text-align: left; }
.sec-head .sec-en {
  display: block;
  font-size: 14px;
  color: var(--c-gold-2);
  letter-spacing: .3em;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.sec-head h2 { margin-bottom: 14px; }
.section-deep .sec-head h2 { color: var(--c-white); }
.sec-head .gold-line {
  width: 64px; height: 2px;
  background: var(--grad-gold);
  margin: 0 auto;
  position: relative;
}
.sec-head.left .gold-line { margin: 0; }
.sec-head .gold-line::before,
.sec-head .gold-line::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px; height: 6px;
  background: var(--grad-gold);
  transform: translateY(-50%) rotate(45deg);
}
.sec-head .gold-line::before { left: -14px; }
.sec-head .gold-line::after { right: -14px; }
.sec-head p.sub { margin-top: 14px; color: var(--c-text-2); font-size: 15px; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-deep .sec-head p.sub { color: var(--c-deep-text); }
.sec-more { position: absolute; right: 0; top: 10px; font-size: 15px; color: var(--c-gold-2); font-weight: 700; letter-spacing: .04em; }
.sec-more i { transition: transform .25s ease; margin-left: 4px; }
.sec-more:hover { color: var(--c-deep-1); }
.sec-more:hover i { transform: translateX(6px); }
.section-deep .sec-more { color: var(--c-gold-2); }
.section-deep .sec-more:hover { color: var(--c-gold-3); }

/* --------------------------------------------------------------------------
 * 7. 卡片体系（2.3 金边金线质感）
 * ------------------------------------------------------------------------ */
/* 浅底白卡 */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--grad-gold);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 26px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); border-top-color: var(--c-gold-3); }

/* 深蓝金边卡 */
.card-deep {
  background: var(--grad-deep);
  border: 1px solid rgba(212, 175, 55, .45);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-deep);
  padding: 28px 26px;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card-deep::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px;
  width: 18px; height: 18px;
  border-top: 2px solid var(--c-gold-2);
  border-left: 2px solid var(--c-gold-2);
  transition: all .3s ease;
}
.card-deep::after {
  content: "";
  position: absolute;
  bottom: 8px; right: 8px;
  width: 18px; height: 18px;
  border-bottom: 2px solid var(--c-gold-2);
  border-right: 2px solid var(--c-gold-2);
  transition: all .3s ease;
}
.card-deep:hover {
  transform: translateY(-4px);
  border-color: rgba(229, 192, 123, .9);
  box-shadow: 0 0 18px rgba(212, 175, 55, .25), var(--shadow-deep);
}
.card-deep:hover::before, .card-deep:hover::after { width: 26px; height: 26px; }

/* 徽章胶囊 */
.badge {
  display: inline-block;
  font-size: 13px;
  color: #A98035;
  border: 1px solid var(--c-gold-1);
  background: rgba(201, 169, 110, .12);
  border-radius: 999px;
  padding: 3px 14px;
  letter-spacing: .06em;
}
.section-deep .badge, .card-deep .badge { color: var(--c-gold-3); background: rgba(201, 169, 110, .14); }

/* --------------------------------------------------------------------------
 * 8. 内页页头横幅（4.0.5）
 * ------------------------------------------------------------------------ */
.page-banner {
  position: relative;
  background: var(--grad-deep);
  height: 320px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(201, 169, 110, .05) 25%, transparent 25%) -30px 0/60px 60px,
    linear-gradient(225deg, rgba(201, 169, 110, .05) 25%, transparent 25%) -30px 0/60px 60px;
}
.page-banner .hb-icon {
  position: absolute;
  right: 60px;
  bottom: 30px;
  font-size: 170px;
  color: var(--c-gold-2);
  opacity: .06;
  transform: rotate(-8deg);
}
.page-banner .hb-icon-2 {
  position: absolute;
  left: 40px; top: 20px;
  font-size: 90px;
  color: var(--c-gold-2);
  opacity: .04;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { color: var(--c-white); margin-bottom: 12px; }
.page-banner .banner-en { font-size: 14px; color: var(--c-gold-2); letter-spacing: .3em; margin-bottom: 6px; display: block; }
.breadcrumb { color: var(--c-deep-text); font-size: 14px; letter-spacing: .05em; }
.breadcrumb a { color: var(--c-white); }
.breadcrumb a:hover { color: var(--c-gold-3); }
.breadcrumb .sep { margin: 0 10px; color: rgba(255, 255, 255, .4); }
.breadcrumb .cur { color: var(--c-gold-2); }

/* --------------------------------------------------------------------------
 * 9. 首页 Banner 无缝轮播（4.1.1 及第九章 9.5）
 * ------------------------------------------------------------------------ */
.banner-section { position: relative; }
.banner-swiper { width: 100%; height: 640px; }
.banner-swiper .swiper-slide { position: relative; overflow: hidden; background: var(--c-deep-1); }
.banner-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.banner-swiper .slide-mask {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10, 31, 68, .88) 0%, rgba(10, 31, 68, .55) 45%, rgba(10, 31, 68, .15) 100%);
}
.slide-content {
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 100%;
  z-index: 3;
}
.slide-content .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.slide-content .b-tag {
  display: inline-block;
  color: var(--c-gold-3);
  border: 1px solid rgba(201, 169, 110, .6);
  background: rgba(201, 169, 110, .12);
  border-radius: 999px;
  font-size: 14px;
  padding: 5px 16px;
  letter-spacing: .1em;
  margin-bottom: 20px;
}
.slide-content h1 {
  color: var(--c-white);
  max-width: 680px;
  margin-bottom: 18px;
  text-shadow: 0 4px 24px rgba(10, 31, 68, .5);
}
.slide-content .b-sub {
  color: var(--c-deep-text);
  font-size: 16px;
  max-width: 560px;
  margin-bottom: 30px;
  letter-spacing: .03em;
}
.slide-content .b-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* 轮播头尾留白（loop 无缝） */
.banner-swiper .swiper-slide + .no-space, .banner-swiper .no-space + .swiper-slide { margin: 0; }

/* 左右箭头 */
.banner-prev, .banner-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 58px; height: 58px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 10px;
  color: var(--c-white);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
  backdrop-filter: blur(2px);
}
.banner-prev { left: 30px; }
.banner-next { right: 30px; }
.banner-prev:hover, .banner-next:hover { border-color: var(--c-gold-2); color: var(--c-gold-2); background: rgba(10, 31, 68, .6); }

/* 分页器 */
.banner-pagination {
  position: absolute;
  bottom: 26px; left: 0; right: 0;
  z-index: 10;
  text-align: center;
}
.banner-pagination .swiper-pagination-bullet {
  width: 8px; height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .4);
  opacity: 1;
  transition: all .3s ease;
  margin: 0 5px !important;
}
.banner-pagination .swiper-pagination-bullet-active {
  width: 24px;
  background: var(--grad-gold);
}

/* 滚动提示 */
.banner-scroll {
  position: absolute;
  bottom: 18px; right: 34px;
  z-index: 10;
  color: var(--c-gold-2);
  font-size: 22px;
  animation: bounce-down 2s ease-in-out infinite;
  background: none;
  width: 44px; height: 44px;
}
@keyframes bounce-down {
  0%, 100% { transform: translateY(0); opacity: .7; }
  50% { transform: translateY(10px); opacity: 1; }
}

/* --------------------------------------------------------------------------
 * 10. 公司简介双栏（4.1.2）
 * ------------------------------------------------------------------------ */
.intro-wrap { display: flex; gap: 60px; align-items: center; }
.intro-media { flex: 0 0 45%; position: relative; }
.intro-media .img-box {
  border: 1px solid var(--c-gold-1);
  border-radius: 4px;
  padding: 10px;
  background: var(--c-white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.intro-media .img-box img { border-radius: 2px; transition: transform .5s ease; width: 100%; }
.intro-media:hover .img-box img { transform: scale(1.03); }
.intro-media .since-badge {
  position: absolute;
  top: -18px; right: -14px;
  z-index: 2;
  background: var(--grad-deep);
  border: 1px solid var(--c-gold-2);
  color: var(--c-gold-2);
  border-radius: 50%;
  width: 96px; height: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: var(--shadow-deep);
}
.intro-media .since-badge .y { font-size: 15px; letter-spacing: .06em; }
.intro-media .since-badge .t { font-size: 10px; letter-spacing: .14em; color: var(--c-deep-text); margin-top: 2px; }

.intro-body { flex: 1; }
.intro-body .sec-head { margin-bottom: 26px; }
.intro-body p.desc { margin-bottom: 18px; color: var(--c-text); }
.intro-points { margin: 26px 0 30px; }
.intro-points li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.intro-points li i {
  font-size: 20px;
  color: var(--c-gold-2);
  margin-top: 4px;
  width: 30px; height: 30px;
  border: 1px solid rgba(201, 169, 110, .5);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(201, 169, 110, .08);
}
.intro-points li strong { display: block; color: var(--c-deep-1); font-size: 16px; }
.intro-points li span { font-size: 14px; color: var(--c-text-2); }
.link-more {
  display: inline-block;
  font-weight: 700;
  color: var(--c-deep-1);
  font-size: 15px;
  letter-spacing: .05em;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: opacity .2s ease;
}
.link-more i { margin-left: 4px; -webkit-text-fill-color: var(--c-gold-2); font-size: 13px; }
.link-more:hover { opacity: .75; }

/* --------------------------------------------------------------------------
 * 11. 栅格（第六章 6.2 多列→单列强制）
 * ------------------------------------------------------------------------ */
.grid { display: grid; gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* 核心优势 6 卡（4.1.3） */
.adv-card { text-align: left; }
.adv-card .adv-icon {
  width: 62px; height: 62px;
  border-radius: 10px;
  background: var(--c-bg-2);
  border: 1px solid rgba(30, 78, 156, .2);
  color: var(--c-blue);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: all .3s ease;
}
.adv-card:hover .adv-icon {
  background: var(--grad-gold);
  color: var(--c-deep-1);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(212, 175, 55, .35);
}
.adv-card h3 { color: var(--c-deep-1); margin-bottom: 10px; font-size: 20px; }
.adv-card p { font-size: 14px; color: var(--c-text-2); line-height: 1.7; }

/* 业务服务 8 卡（深蓝）4.1.4 */
.svc-card h3 { color: var(--c-white); margin: 14px 0 10px; font-size: 20px; }
.svc-card p { color: var(--c-deep-text); font-size: 14px; margin-bottom: 16px; line-height: 1.7; }
.svc-card .svc-icon { font-size: 30px; color: var(--c-gold-2); transition: all .3s ease; display: block; }
.svc-card:hover .svc-icon { color: var(--c-gold-3); transform: scale(1.12); }
.svc-card a.svc-detail {
  color: var(--c-gold-2);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
}
.svc-card a.svc-detail i { font-size: 12px; margin-left: 3px; transition: transform .25s ease; }
.svc-card:hover a.svc-detail i { transform: translateX(5px); }

/* 案例卡（4.1.5 / 4.5） */
.case-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.case-card .case-img { position: relative; overflow: hidden; aspect-ratio: 4 / 3; }
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-card .case-img .badge {
  position: absolute;
  left: 14px; top: 14px;
  background: rgba(10, 31, 68, .75);
  color: var(--c-gold-3);
  border-color: rgba(201, 169, 110, .6);
  backdrop-filter: blur(2px);
}
.case-body { padding: 20px 20px 22px; }
.case-body h4 { font-size: 18px; margin-bottom: 8px; color: var(--c-deep-1); transition: color .2s ease; }
.case-card:hover .case-body h4 { color: var(--c-blue); }
.case-body .case-sum { font-size: 14px; color: var(--c-text-2); line-height: 1.65; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-body .case-meta { font-size: 13px; color: var(--c-text-2); border-top: 1px dashed var(--c-line); padding-top: 12px; }
.case-body .case-meta i { color: var(--c-gold-2); margin-right: 5px; font-size: 12px; }

/* --------------------------------------------------------------------------
 * 12. 数据统计（4.1.6 金数字仪式感）
 * ------------------------------------------------------------------------ */
.stats-wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item {
  text-align: center;
  padding: 20px 10px;
  position: relative;
  transition: transform .3s ease;
}
.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0; top: 15%; bottom: 15%;
  width: 1px;
  background: rgba(201, 169, 110, .35);
}
.stat-item:hover { transform: scale(1.05); }
.stat-item .num {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: .02em;
}
.stat-item .unit { font-size: 24px; font-weight: 700; color: var(--c-gold-2); margin-left: 4px; }
.stat-item .label { color: var(--c-deep-text); font-size: 15px; margin-top: 8px; letter-spacing: .08em; }

/* --------------------------------------------------------------------------
 * 13. 新闻动态（4.1.7 / 4.6）
 * ------------------------------------------------------------------------ */
.news-feature {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.news-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.news-feature .nf-img { flex: 1; min-height: 0; overflow: hidden; position: relative; }
.news-feature .nf-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-feature:hover .nf-img img { transform: scale(1.05); }
.news-feature .nf-body { flex: none; padding: 26px; }
.news-feature h4 { font-size: 20px; margin: 12px 0 10px; }
.news-feature p { font-size: 14px; color: var(--c-text-2); line-height: 1.7; }

/* 新闻区右侧列表：拉伸填充列高，与左侧卡片底部严格齐平 */
.grid.grid-2 > :last-child:has(.news-list-item) { display: flex; flex-direction: column; }
.grid.grid-2 > :last-child:has(.news-list-item) .news-list-item { flex: 1; margin-bottom: 16px; }
.grid.grid-2 > :last-child:has(.news-list-item) .news-list-item:last-child { margin-bottom: 0; }

.news-list-item {
  display: flex;
  gap: 20px;
  align-items: stretch;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
  margin-bottom: 16px;
}
.news-list-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.news-date {
  flex-shrink: 0;
  width: 74px;
  border: 1px solid var(--c-gold-1);
  border-radius: 6px;
  text-align: center;
  background: rgba(201, 169, 110, .08);
  padding: 10px 4px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-date .d { font-size: 26px; font-weight: 700; color: var(--c-deep-1); line-height: 1.1; }
.news-date .m { font-size: 12px; color: var(--c-gold-2); letter-spacing: .12em; line-height: 1.3; }
.news-date .y { font-size: 11px; color: var(--c-text-2); letter-spacing: .08em; }
.news-list-item .nl-body { flex: 1; }
.news-list-item h4 { font-size: 17px; margin: 8px 0 6px; transition: color .2s ease; }
.news-list-item:hover h4 { color: var(--c-blue); }
.news-list-item .nl-sum { font-size: 14px; color: var(--c-text-2); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list-item .nl-arrow { align-self: center; color: var(--c-gold-2); font-size: 18px; transition: transform .3s ease; flex-shrink: 0; }
.news-list-item:hover .nl-arrow { transform: translateX(6px); }

/* 新闻列表带缩略图（4.6 左右交替） */
.news-row-item {
  display: flex;
  gap: 22px;
  align-items: center;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
  margin-bottom: 20px;
}
.news-row-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.news-row-item .nri-img { flex: 0 0 170px; height: 112px; border-radius: 4px; overflow: hidden; border: 1px solid var(--c-gold-1); }
.news-row-item .nri-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-row-item:hover .nri-img img { transform: scale(1.08); }

/* Tab 筛选（4.6 / 4.5） */
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 40px; }
.tab-btn {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  background: var(--c-white);
  color: var(--c-text-2);
  font-size: 15px;
  letter-spacing: .04em;
  transition: all .25s ease;
  min-height: 44px;
}
.tab-btn:hover { color: var(--c-blue); border-color: var(--c-gold-1); }
.tab-btn.active { background: var(--grad-gold); color: var(--c-deep-1); font-weight: 700; border-color: transparent; box-shadow: 0 4px 14px rgba(212, 175, 55, .35); }

/* 新闻分类 Tab（4.6 下划线式） */
.news-tabs .tab-btn {
  border-radius: 0;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  padding: 10px 2px;
  margin-right: 28px;
  color: var(--c-text-2);
  box-shadow: none;
}
.news-tabs .tab-btn:hover { color: var(--c-blue); border-color: transparent; }
.news-tabs .tab-btn.active {
  background: transparent;
  color: var(--c-deep-1);
  font-weight: 700;
  border-bottom-color: var(--c-gold-1);
  box-shadow: none;
}

/* 加载更多 */
.load-more-box { text-align: center; margin-top: 36px; }
.news-done { margin-top: 18px; color: var(--c-text-2); font-size: 14px; }
.news-done i { color: var(--c-gold-2); margin-right: 6px; }
.btn-load-more { border: 1px solid var(--c-gold-1); color: var(--c-deep-1); background: var(--c-white); padding: 12px 34px; border-radius: 4px; font-size: 15px; font-weight: 700; letter-spacing: .06em; transition: all .25s ease; }
.btn-load-more:hover { background: var(--grad-gold); color: var(--c-deep-1); border-color: transparent; }

/* --------------------------------------------------------------------------
 * 14. 关于页：子锚点导航 / 时间轴 / 组织架构 / 团队 / 企业文化 / 分支
 * ------------------------------------------------------------------------ */
.sub-navbar {
  position: sticky;
  top: 62px;
  z-index: 90;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-line);
  box-shadow: 0 4px 14px rgba(10, 31, 68, .05);
}
.sub-navbar .sn-scroll { display: flex; gap: 6px; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.sub-navbar .sn-scroll::-webkit-scrollbar { display: none; }
.sub-navbar a {
  flex-shrink: 0;
  padding: 10px 18px;
  font-size: 15px;
  color: var(--c-text-2);
  border-bottom: 2px solid transparent;
  transition: all .25s ease;
  letter-spacing: .04em;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.sub-navbar a:hover { color: var(--c-blue); }
.sub-navbar a.active { color: var(--c-deep-1); font-weight: 700; border-bottom-color: var(--c-gold-2); }

/* 董事长寄语 */
.quote-block {
  border-left: 4px solid var(--c-gold-2);
  background: var(--c-bg-2);
  border-radius: 4px;
  padding: 22px 26px;
  margin-top: 26px;
  font-size: 16px;
  color: var(--c-deep-1);
  font-style: normal;
  line-height: 1.9;
  position: relative;
}
.quote-block i.fa-quote-left { position: absolute; top: -10px; left: 18px; font-size: 22px; color: var(--c-gold-2); background: var(--c-bg-2); padding: 0 6px; }
.quote-block .q-author { display: block; margin-top: 10px; font-size: 14px; color: var(--c-text-2); }

/* 时间轴（4.2.2） */
.timeline-wrap { display: flex; gap: 56px; }
.timeline { flex: 1; position: relative; padding-left: 30px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 4px; bottom: 4px;
  width: 2px;
  background: var(--grad-gold);
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -30px; top: 6px;
  width: 14px; height: 14px;
  background: var(--c-white);
  border: 3px solid var(--c-gold-2);
  transform: rotate(45deg);
  transition: transform .3s ease, background .3s ease;
}
.tl-item:hover::before { background: var(--grad-gold); transform: rotate(45deg) scale(1.25); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item .tl-year { font-size: 26px; font-weight: 700; color: var(--c-gold-2); letter-spacing: .04em; background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tl-item p { font-size: 14px; color: var(--c-text-2); margin-top: 4px; line-height: 1.7; }
.timeline-aside { flex: 0 0 38%; }
.timeline-aside .img-box { border: 1px solid var(--c-gold-1); border-radius: 4px; padding: 10px; background: var(--c-white); box-shadow: var(--shadow-card); overflow: hidden; }
.timeline-aside .img-box img { border-radius: 2px; transition: transform .5s ease; }
.timeline-aside:hover .img-box img { transform: scale(1.03); }

/* 组织架构（4.2.3 纯 CSS 层级图） */
.org-chart { text-align: center; }
.org-node {
  display: inline-block;
  background: var(--grad-deep);
  color: var(--c-white);
  padding: 12px 26px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .1em;
  border: 1px solid rgba(212, 175, 55, .5);
  transition: all .25s ease;
  min-height: 44px;
  line-height: 1.5;
}
.org-node:hover { background: var(--c-blue); transform: translateY(-2px); }
.org-line-v { width: 2px; height: 26px; background: rgba(201, 169, 110, .6); margin: 0 auto; }
.org-line-h { height: 2px; background: rgba(201, 169, 110, .6); margin: 0 auto; width: 60%; }
.org-level { margin-bottom: 6px; }
.org-row { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.org-row .org-node { font-size: 14px; padding: 10px 18px; }

/* 团队卡（4.2.4 全站最重要板块） */
.team-metrics { display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; margin-bottom: 46px; }
.team-metrics .tm-item {
  border: 1px solid rgba(212, 175, 55, .5);
  border-radius: 8px;
  padding: 14px 30px;
  text-align: center;
  background: rgba(10, 31, 68, .4);
}
.team-metrics .tm-item strong { display: block; font-size: 30px; color: var(--c-gold-2); font-weight: 700; }
.team-metrics .tm-item span { font-size: 13px; color: var(--c-deep-text); letter-spacing: .08em; }
.team-card { text-align: center; padding: 30px 24px 26px; }
.team-card .avatar {
  width: 124px; height: 124px;
  margin: 0 auto 16px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, .6);
  padding: 5px;
  background: var(--c-white);
  transition: transform .3s ease;
}
.team-card .avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; }
.team-card:hover .avatar { transform: scale(1.05); }
.team-card h4 { color: var(--c-white); margin-bottom: 4px; }
.team-card .t-pos { color: var(--c-gold-2); font-size: 14px; margin-bottom: 10px; letter-spacing: .06em; }
.team-card .t-desc { color: var(--c-deep-text); font-size: 14px; line-height: 1.7; margin-bottom: 14px; text-align: left; }
.team-card .t-lic {
  border-top: 1px solid rgba(201, 169, 110, .3);
  padding-top: 12px;
  font-size: 13px;
  color: var(--c-gold-2);
  letter-spacing: .05em;
}
.team-card .t-lic i { margin-right: 5px; }

/* 企业文化（4.2.5） */
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 40px; }
.culture-card { text-align: center; }
.culture-card .c-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--c-bg-2);
  border: 1px solid rgba(201, 169, 110, .6);
  color: var(--c-gold-2);
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}
.culture-card:hover .c-icon { background: var(--grad-gold); color: var(--c-deep-1); transform: translateY(-4px); }
.culture-card h4 { margin-bottom: 8px; }
.culture-card p { font-size: 14px; color: var(--c-text-2); }
.culture-banner {
  background: var(--grad-deep);
  border: 1px solid rgba(212, 175, 55, .45);
  border-radius: 8px;
  padding: 34px 30px;
  text-align: center;
  color: var(--c-white);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .12em;
  position: relative;
}
.culture-banner i { color: var(--c-gold-2); font-size: 28px; margin-right: 12px; }

/* 分支机构（4.2.6） */
.branch-card { text-align: left; }
.branch-card .b-icon {
  font-size: 26px;
  color: var(--c-gold-2);
  margin-bottom: 12px;
  display: block;
}
.branch-card h4 { margin-bottom: 8px; font-size: 18px; }
.branch-card p { font-size: 14px; color: var(--c-text-2); margin-bottom: 4px; }
.branch-card p i { color: var(--c-gold-2); width: 18px; margin-right: 4px; }

/* --------------------------------------------------------------------------
 * 15. 资质荣誉（4.3 证书墙 + 灯箱）
 * ------------------------------------------------------------------------ */
.honor-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-metric-card { text-align: center; padding: 30px 20px; }
.honor-metric-card .hm-icon { font-size: 34px; color: var(--c-gold-2); display: block; margin-bottom: 12px; }
.honor-metric-card h4 { color: var(--c-white); font-size: 18px; margin-bottom: 8px; }
.honor-metric-card p { color: var(--c-deep-text); font-size: 13px; line-height: 1.65; }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.cert-card {
  background: var(--c-white);
  border: 1px solid var(--c-gold-1);
  border-radius: 6px;
  padding: 12px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  cursor: pointer;
  position: relative;
}
.cert-card::after {
  content: "";
  position: absolute;
  right: 0; bottom: 0;
  width: 0; height: 0;
  border-style: solid;
  border-width: 0 0 26px 26px;
  border-color: transparent transparent var(--c-gold-2) transparent;
  opacity: .85;
}
.cert-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card-hover); border-color: var(--c-gold-3); }
.cert-card .cert-frame {
  border: 1px solid rgba(201, 169, 110, .7);
  border-radius: 3px;
  padding: 6px;
  overflow: hidden;
}
.cert-card .cert-frame img { width: 100%; height: auto; transition: transform .35s ease; transform-origin: center; }
.cert-card:hover .cert-frame img { transform: scale(1.06); }
.cert-card h4 { font-size: 15px; text-align: center; margin: 12px 4px 2px; letter-spacing: .04em; }
.cert-card .cert-note { font-size: 12px; color: var(--c-text-2); text-align: center; margin-bottom: 6px; }

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(10, 31, 68, .92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
  padding: 40px;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox .lb-box { max-width: 860px; width: 100%; position: relative; }
.lightbox .lb-box img { width: 100%; border: 6px solid rgba(201, 169, 110, .7); border-radius: 6px; background: var(--c-white); }
.lightbox .lb-close {
  position: absolute;
  top: -46px; right: 0;
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid var(--c-gold-1);
  color: var(--c-white);
  border-radius: 50%;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.lightbox .lb-close:hover { background: var(--grad-gold); color: var(--c-deep-1); }

/* --------------------------------------------------------------------------
 * 16. 业务服务（4.4 详细板块）
 * ------------------------------------------------------------------------ */
.svc-block { padding: 70px 0; }
.svc-block:nth-child(even) { background: var(--c-bg-2); }
.svc-row { display: flex; gap: 44px; align-items: stretch; }
.svc-left {
  flex: 0 0 30%;
  background: var(--grad-deep);
  border: 1px solid rgba(212, 175, 55, .45);
  border-radius: var(--radius-card);
  padding: 30px 26px;
  position: relative;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.svc-left:hover { border-color: rgba(229, 192, 123, .9); box-shadow: 0 0 18px rgba(212, 175, 55, .25), var(--shadow-deep); }
.svc-left .svc-no { font-size: 32px; font-weight: 700; color: var(--c-gold-2); font-style: italic; letter-spacing: .06em; }
.svc-left .svc-ico { font-size: 44px; color: var(--c-gold-2); margin: 14px 0; display: block; }
.svc-left h3 { color: var(--c-white); margin-bottom: 8px; }
.svc-left .svc-tagline { color: var(--c-gold-2); font-size: 14px; letter-spacing: .05em; }
.svc-right { flex: 1; }
.svc-right h4 { margin-bottom: 12px; }
.svc-right .svc-desc { color: var(--c-text-2); font-size: 15px; margin-bottom: 18px; }
.svc-scope {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
  margin-bottom: 22px;
}
.svc-scope li { font-size: 14px; color: var(--c-text); display: flex; align-items: baseline; gap: 8px; }
.svc-scope li i { color: var(--c-gold-2); font-size: 13px; flex-shrink: 0; }
.svc-steps { display: flex; gap: 0; margin-bottom: 20px; }
.svc-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 12px;
}
.svc-step::after {
  content: "";
  position: absolute;
  top: 23px; left: 50%;
  width: 100%;
  height: 1px;
  background: rgba(201, 169, 110, .5);
  z-index: 0;
}
.svc-step:last-child::after { display: none; }
.svc-step .step-num {
  width: 46px; height: 46px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: var(--c-white);
  border: 2px solid var(--c-gold-2);
  color: var(--c-gold-2);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: all .3s ease;
  font-size: 17px;
}
.svc-step:hover .step-num { background: var(--grad-gold); color: var(--c-deep-1); }
.svc-step strong { display: block; font-size: 14px; color: var(--c-deep-1); margin-bottom: 2px; }
.svc-step span { font-size: 12px; color: var(--c-text-2); line-height: 1.5; display: block; }
.svc-tags { display: flex; gap: 10px; flex-wrap: wrap; }

/* services 底部 CTA（对应 HTML 结构 .svc-cta > .container > .svc-cta-inner）
   注：旧类名 .svc-cta h2 / .svc-cta .phone-big / .svc-cta .b-btns 已废弃，
       由 .svc-cta h3 / .svc-cta-tel / .svc-cta-btns 替代 */
.svc-cta {
  position: relative;
  text-align: center;
  padding: 70px 0 80px;
  color: var(--c-white);
  background: linear-gradient(150deg, var(--c-deep-1) 0%, var(--c-deep-2) 65%, #0A1F44 100%);
  overflow: hidden;
}
/* 背景装饰层：金色光晕 + 细金线纹理（pointer-events:none 保证不遮挡按钮点击） */
.svc-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 90% at 50% 0%, rgba(212, 175, 55, .20), transparent 65%),
    repeating-linear-gradient(135deg, rgba(201, 169, 110, .07) 0 1px, transparent 1px 16px);
}
/* 顶部金色细线点缀 */
.svc-cta::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  z-index: 1;
  background: var(--grad-gold);
}
.svc-cta .svc-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}
.svc-cta h3 {
  color: var(--c-white);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: .03em;
  margin-bottom: 14px;
}
.svc-cta .svc-cta-tel {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 12px;
  font-size: 18px;
  color: rgba(255, 255, 255, .85);
}
.svc-cta .svc-cta-tel i { color: var(--c-gold-2); font-size: 22px; }
.svc-cta .svc-cta-tel a {
  font-size: 38px;
  font-weight: 700;
  color: var(--c-gold-2);
  letter-spacing: .04em;
  line-height: 1.2;
  transition: color .25s ease;
}
.svc-cta .svc-cta-tel a:hover { color: var(--c-gold-1); }
.svc-cta .svc-cta-sub {
  color: rgba(255, 255, 255, .75);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 30px;
}
.svc-cta .svc-cta-btns { display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; }
.svc-cta .svc-cta-btns .btn { min-width: 160px; }

/* --------------------------------------------------------------------------
 * 17. 分页器（4.5）
 * ------------------------------------------------------------------------ */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.pager button,
.pager a {
  min-width: 44px; height: 44px;
  border-radius: 6px;
  border: 1px solid var(--c-line);
  background: var(--c-white);
  color: var(--c-text);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  transition: all .25s ease;
}
.pager button:hover, .pager a:hover { border-color: var(--c-gold-2); color: var(--c-gold-2); }
.pager .active { background: var(--grad-gold); color: var(--c-deep-1); font-weight: 700; border-color: transparent; }
.pager .disabled { opacity: .4; pointer-events: none; }

/* 分页空页占位（4.5） */
.case-grid { position: relative; }
.pager-empty { min-height: 220px; display: flex; align-items: center; justify-content: center; grid-column: 1 / -1; }
.case-empty-box { text-align: center; color: var(--c-text-2); padding: 40px 20px; }
.case-empty-box i { font-size: 44px; color: var(--c-gold-1); opacity: .55; display: block; margin-bottom: 12px; }
.case-empty-box p { font-size: 17px; color: var(--c-deep-1); font-weight: 700; margin-bottom: 6px; }
.case-empty-box span { font-size: 13px; }

/* --------------------------------------------------------------------------
 * 18. 新闻详情（4.7）
 * ------------------------------------------------------------------------ */
.detail-wrap { max-width: 800px; margin: 0 auto; }
.detail-head h1 { font-size: 32px; margin-bottom: 14px; }
.detail-meta { display: flex; gap: 20px; flex-wrap: wrap; color: var(--c-text-2); font-size: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--c-line); margin-bottom: 26px; }
.detail-meta span i { color: var(--c-gold-2); margin-right: 5px; }
.detail-summary {
  background: var(--c-bg-2);
  border-left: 4px solid var(--c-gold-2);
  border-radius: 4px;
  padding: 18px 22px;
  margin-bottom: 26px;
  font-size: 16px;
  color: var(--c-deep-1);
  line-height: 1.8;
}
.detail-body .d-img { border-radius: 6px; overflow: hidden; border: 1px solid var(--c-line); margin-bottom: 24px; }
.detail-body .d-img img { width: 100%; }
.detail-body p { margin-bottom: 20px; }
.detail-body h3 { margin: 30px 0 16px; }
.detail-body h3 .h3-no { color: var(--c-gold-2); margin-right: 8px; }
.detail-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.detail-table th {
  background: var(--grad-deep);
  color: var(--c-white);
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
  letter-spacing: .05em;
}
.detail-table td { border-bottom: 1px solid var(--c-line); padding: 11px 14px; }
.detail-table tr:nth-child(odd) td { background: var(--c-white); }
.detail-table tr:nth-child(even) td { background: #F7F8FA; }
.detail-table tbody tr:hover td { background: var(--c-bg-2); }
.detail-tags { display: flex; gap: 10px; margin-top: 30px; flex-wrap: wrap; }

/* 上一篇 / 下一篇 */
.prev-next { margin-top: 40px; }
.prev-next a {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--grad-gold);
  border-radius: var(--radius-card);
  padding: 16px 22px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  font-size: 15px;
}
.prev-next a:hover { transform: translateX(6px); box-shadow: var(--shadow-card-hover); }
.prev-next a i { color: var(--c-gold-2); font-size: 16px; flex-shrink: 0; }
.prev-next a .pn-label { color: var(--c-text-2); font-size: 13px; flex-shrink: 0; }
.prev-next a .pn-title { color: var(--c-deep-1); }
.prev-next a:hover .pn-title { color: var(--c-blue); }
.prev-next a.disabled { opacity: .5; pointer-events: none; }

/* 相关推荐（4.7 可选） */
.related-news { margin-top: 52px; }
.related-news .rn-title { font-size: 20px; color: var(--c-deep-1); margin-bottom: 20px; padding-left: 14px; border-left: 4px solid var(--c-gold-2); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card {
  display: block;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.related-card .rc-img { height: 130px; overflow: hidden; }
.related-card .rc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .rc-img img { transform: scale(1.06); }
.related-card .rc-body { padding: 14px 16px 16px; }
.related-card .rc-body h4 { font-size: 15px; color: var(--c-deep-1); line-height: 1.5; margin-bottom: 8px; transition: color .2s ease; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card:hover .rc-body h4 { color: var(--c-blue); }
.related-card .rc-date { font-size: 13px; color: var(--c-text-2); }
.related-card .rc-date i { color: var(--c-gold-2); margin-right: 5px; }

/* --------------------------------------------------------------------------
 * 19. 招聘（4.8）
 * ------------------------------------------------------------------------ */
.recruit-banner-bg {
  background: var(--grad-deep);
  background-image: linear-gradient(90deg, rgba(10, 31, 68, .88), rgba(10, 31, 68, .55)), url("../images/recruit.webp");
  background-size: cover;
  background-position: center;
}
.recruit-slogan {
  background: var(--grad-deep);
  border-bottom: 1px solid rgba(201, 169, 110, .35);
}
.recruit-slogan-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.recruit-slogan h2 { color: var(--c-white); font-size: 30px; }
.recruit-slogan h2 i { color: var(--c-gold-2); margin-right: 10px; }
.recruit-slogan .rs-sub { color: var(--c-deep-text); font-size: 15px; margin-top: 8px; letter-spacing: .05em; }
.job-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--grad-gold);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px;
  margin-bottom: 20px;
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex;
  gap: 30px;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}
.job-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.job-card .jc-left { flex: 1 1 280px; }
.job-card .jc-left h4 { margin-bottom: 8px; }
.job-card .jc-left .j-keywords { font-size: 13px; color: var(--c-text-2); margin-bottom: 10px; }
.job-card .jc-left .j-keywords i { color: var(--c-gold-2); width: 16px; }
.job-card .jc-duty { flex: 1 1 320px; }
.job-card .jc-duty li { font-size: 14px; color: var(--c-text); margin-bottom: 6px; display: flex; gap: 8px; }
.job-card .jc-duty li i { color: var(--c-gold-2); font-size: 13px; margin-top: 5px; }
.job-card .jc-right { flex: 0 0 160px; text-align: right; }
.job-card .jc-right .salary { font-size: 20px; font-weight: 700; color: var(--c-gold-2); display: block; margin-bottom: 6px; }
.job-card .jc-right .j-hire { font-size: 13px; color: var(--c-text-2); display: block; margin-bottom: 12px; }
.job-card .jc-right a { font-size: 14px; color: var(--c-gold-2); font-weight: 700; }
.job-card .jc-right a i { margin-left: 3px; transition: transform .25s ease; }
.job-card .jc-right a:hover i { transform: translateX(5px); }

/* 福利 6 卡 */
.welfare-card { text-align: center; }
.welfare-card .w-icon {
  width: 58px; height: 58px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--c-bg-2);
  border: 1px solid rgba(201, 169, 110, .6);
  color: var(--c-gold-2);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}
.welfare-card:hover .w-icon { background: var(--grad-gold); color: var(--c-deep-1); transform: translateY(-4px); }
.welfare-card h4 { font-size: 17px; margin-bottom: 6px; }
.welfare-card p { font-size: 13px; color: var(--c-text-2); }

/* 投递方式（深蓝） */
.apply-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.apply-card { text-align: center; }
.apply-card .a-icon { font-size: 34px; color: var(--c-gold-2); display: block; margin-bottom: 14px; }
.apply-card h4 { color: var(--c-white); font-size: 18px; margin-bottom: 8px; }
.apply-card p { color: var(--c-deep-text); font-size: 14px; }
.apply-card p.big { color: var(--c-gold-2); font-size: 18px; font-weight: 700; letter-spacing: .02em; word-break: break-all; }
.apply-note { text-align: center; color: var(--c-deep-text); font-size: 13px; margin-top: 26px; }

/* --------------------------------------------------------------------------
 * 20. 联系（4.9）
 * ------------------------------------------------------------------------ */
/* 联系页大堂横幅（contact-office.webp 装饰图） */
.contact-office-banner {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  height: 320px;
  border: 1px solid var(--c-gold-1);
  margin-bottom: 40px;
}
.contact-office-banner img { width: 100%; height: 100%; object-fit: cover; display: block; }
.contact-office-banner::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10, 31, 68, .78), rgba(10, 31, 68, .22));
}
.contact-office-banner .co-text { position: absolute; left: 44px; bottom: 34px; z-index: 2; color: var(--c-white); }
.contact-office-banner .co-text h3 { font-size: 26px; margin-bottom: 10px; }
.contact-office-banner .co-text h3 i { color: var(--c-gold-2); margin-right: 8px; }
.contact-office-banner .co-text p { color: var(--c-deep-text); font-size: 15px; letter-spacing: .04em; }
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card { text-align: center; }
.contact-card .c-icon {
  width: 60px; height: 60px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--c-bg-2);
  border: 1px solid rgba(201, 169, 110, .6);
  color: var(--c-gold-2);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}
.contact-card:hover .c-icon { background: var(--grad-gold); color: var(--c-deep-1); transform: translateY(-4px); }
.contact-card h4 { font-size: 17px; margin-bottom: 6px; }
.contact-card .c-val { font-size: 15px; color: var(--c-text); font-weight: 700; }
.contact-card a.c-val:hover { color: var(--c-blue); }

.contact-wrap { display: flex; gap: 30px; align-items: flex-start; }
.contact-form-box { flex: 0 0 60%; background: var(--c-white); border: 1px solid var(--c-line); border-top: 2px solid var(--grad-gold); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 34px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 700; color: var(--c-deep-1); margin-bottom: 8px; letter-spacing: .04em; }
.form-group label .req { color: #C0392B; margin-left: 3px; }
.form-control {
  width: 100%;
  height: 46px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  padding: 0 14px;
  font-size: 15px;
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color .2s ease, box-shadow .2s ease;
}
textarea.form-control { height: 130px; padding: 12px 14px; resize: vertical; }
.form-control:focus {
  outline: none;
  border-color: var(--c-gold-2);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, .18);
  background: var(--c-white);
}
.form-control.error { border-color: #C0392B; box-shadow: 0 0 0 3px rgba(192, 57, 43, .12); }
.err-msg { display: none; font-size: 13px; color: #C0392B; margin-top: 6px; }
.form-group.invalid .err-msg { display: block; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: rgba(39, 174, 96, .1);
  border: 1px solid rgba(39, 174, 96, .5);
  color: #1E7E44;
  border-radius: 6px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 15px;
}
.form-success.show { display: flex; }
.form-success i { font-size: 18px; }

.contact-info-card { flex: 1; padding: 32px 28px; }
.contact-info-card h3 { color: var(--c-white); margin-bottom: 12px; }
.contact-info-card .ci-desc { color: var(--c-deep-text); font-size: 14px; margin-bottom: 20px; line-height: 1.75; }
.contact-info-card .ci-list li { display: flex; gap: 12px; margin-bottom: 14px; color: var(--c-white); font-size: 15px; align-items: flex-start; }
.contact-info-card .ci-list i { color: var(--c-gold-2); margin-top: 5px; font-size: 15px; width: 20px; text-align: center; }
.contact-info-card .ci-commit { border-top: 1px solid rgba(201, 169, 110, .3); padding-top: 16px; margin-top: 10px; }
.contact-info-card .ci-commit h4 { color: var(--c-gold-2); font-size: 15px; margin-bottom: 8px; letter-spacing: .06em; }
.contact-info-card .ci-commit li { display: flex; gap: 10px; color: var(--c-deep-text); font-size: 14px; margin-bottom: 6px; }
.contact-info-card .ci-commit li i { color: var(--c-gold-2); margin-top: 5px; font-size: 12px; width: 16px; }

/* 静态地图 */
.map-block { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--c-gold-1); box-shadow: var(--shadow-deep); }
.map-block .map-img { width: 100%; display: block; transition: transform .5s ease; }
.map-block:hover .map-img { transform: scale(1.03); }
.map-block .map-overlay {
  position: absolute; inset: 0;
  background: rgba(10, 31, 68, .35);
  pointer-events: none;
}
.map-block .map-pin {
  position: absolute;
  top: 38%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--c-gold-2);
  animation: pin-breathe 2s ease-in-out infinite;
  pointer-events: none;
}
.map-block .map-pin i { font-size: 52px; text-shadow: 0 4px 20px rgba(10, 31, 68, .6); }
@keyframes pin-breathe {
  0%, 100% { opacity: .75; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.12); }
}
.map-block .map-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(0deg, rgba(10, 31, 68, .92) 0%, rgba(10, 31, 68, .45) 100%);
  padding: 26px 30px;
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.map-block .map-info strong { font-size: 20px; letter-spacing: .05em; display: block; margin-bottom: 4px; }
.map-block .map-info span { font-size: 14px; color: var(--c-deep-text); }
.map-block .map-info .btn { padding: 10px 22px; font-size: 14px; }

/* --------------------------------------------------------------------------
 * 21. CTA 联系（4.1.8）
 * ------------------------------------------------------------------------ */
.cta-block { text-align: center; padding: 80px 0; position: relative; overflow: hidden; }
.cta-block .cta-ico {
  position: absolute;
  font-size: 200px;
  color: var(--c-gold-2);
  opacity: .08;
  top: 50%;
  transform: translateY(-50%);
}
.cta-block .cta-ico.l { left: -30px; }
.cta-block .cta-ico.r { right: -30px; transform: translateY(-50%) rotate(12deg); }
.cta-block h2 { color: var(--c-white); margin-bottom: 14px; }
.cta-block p { color: var(--c-deep-text); font-size: 16px; margin-bottom: 32px; }
.cta-block .b-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
 * 22. 页脚（4.0.3 大背景图填充）
 * ------------------------------------------------------------------------ */
.site-footer {
  position: relative;
  background-image: url("../images/footer-bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.site-footer::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(10, 31, 68, .92);
}
.site-footer::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-gold);
}
.site-footer .container { position: relative; z-index: 2; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr 1fr; gap: 40px; padding: 64px 0 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .fb-desc { color: var(--c-deep-text); font-size: 14px; line-height: 1.8; margin-bottom: 10px; }
.footer-brand .fb-slogan { color: var(--c-gold-2); font-size: 14px; letter-spacing: .1em; margin-bottom: 16px; }
.footer-brand .fb-contact li { display: flex; gap: 10px; color: var(--c-deep-text); font-size: 14px; margin-bottom: 8px; }
.footer-brand .fb-contact i { color: var(--c-gold-2); width: 18px; margin-top: 4px; }
.footer-col h4 {
  color: var(--c-white); font-size: 17px; margin-bottom: 18px;
  padding-bottom: 10px; position: relative;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 34px; height: 2px;
  background: var(--grad-gold);
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--c-deep-text); font-size: 14px; letter-spacing: .03em; transition: color .2s ease, padding-left .2s ease; }
.footer-col a:hover { color: var(--c-gold-3); padding-left: 6px; }
.footer-qr { text-align: center; }
.footer-qr .qr-box {
  width: 100px; height: 100px;
  margin: 0 auto 10px;
  background: var(--c-white);
  border: 1px solid var(--c-gold-1);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-2);
  font-size: 12px;
  text-align: center;
  padding: 8px;
}
.footer-qr .qr-box i { font-size: 40px; color: var(--c-gold-2); margin-bottom: 4px; display: block; }
.footer-qr .qr-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}
.footer-qr p { color: var(--c-deep-text); font-size: 13px; }

.footer-bottom {
  border-top: 1px solid rgba(201, 169, 110, .25);
  padding: 22px 0;
  text-align: center;
  color: var(--c-deep-text);
  font-size: 14px;
  position: relative;
  z-index: 2;
}
.footer-bottom .fb-line-2 { margin-top: 6px; }
.footer-bottom a.tech-link { color: var(--c-white); text-decoration: underline; }
.footer-bottom a.tech-link:hover { color: var(--c-gold-3); }
.footer-bottom .icp { color: var(--c-gold-2); font-size: 12px; display: block; margin-top: 6px; }

/* --------------------------------------------------------------------------
 * 23. 返回顶部（4.0.6）
 * ------------------------------------------------------------------------ */
.back-top {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 150;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--grad-deep);
  border: 1px solid var(--c-gold-2);
  color: var(--c-gold-2);
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
  box-shadow: var(--shadow-deep);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { border-color: var(--c-gold-3); color: var(--c-gold-3); transform: translateY(-3px); box-shadow: 0 0 16px rgba(212, 175, 55, .35); }

/* --------------------------------------------------------------------------
 * 24. 响应式（第六章）
 * ------------------------------------------------------------------------ */
@media (max-width: 1200px) {
  .container { max-width: 1000px; }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .honor-metrics { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .banner-swiper { height: 560px; }
  .main-nav > li > a { padding: 0 12px; font-size: 15px; }
  .nav-cta { margin-left: 8px; }
}

@media (max-width: 992px) {
  .top-bar { display: none; }
  .main-nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header { height: 66px; }
  .site-header.fixed { height: 60px; }
  .banner-swiper { height: 480px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .stats-wrap { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }
  .svc-row { flex-direction: column; }
  .svc-left { flex: none; }
  .contact-wrap { flex-direction: column; }
  .contact-form-box { flex: none; width: 100%; }
  .sub-navbar { top: 60px; }
  .intro-wrap { flex-direction: column; }
  .intro-media { flex: none; width: 100%; }
  .timeline-wrap { flex-direction: column; }
  .timeline-aside { flex: none; width: 100%; }
  .page-banner { height: 260px; }
  .page-banner h1 { font-size: 38px; }
  .apply-grid { grid-template-columns: 1fr; }
  .news-feature { flex-direction: column; }
  .news-feature .nf-img { flex: none; aspect-ratio: 16/9; }
  .news-feature .nf-body { padding: 22px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .svc-scope { grid-template-columns: 1fr; }
  .svc-steps { flex-wrap: wrap; gap: 14px; }
  .svc-step { flex: 1 1 40%; }
  .job-card { flex-direction: column; }
  .job-card .jc-right { text-align: left; flex: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
  .form-row-2 { grid-template-columns: 1fr; gap: 0; }
  .banner-prev { left: 14px; }
  .banner-next { right: 14px; }
  .banner-scroll { display: none; }
  /* services 底部 CTA 移动端适配（max-width:768px 覆盖 767px） */
  .svc-cta { padding: 52px 0 60px; }
  .svc-cta h3 { font-size: 26px; }
  .svc-cta .svc-cta-tel a { font-size: 32px; }
  .svc-cta .svc-cta-btns .btn { min-width: 140px; padding: 12px 18px; }
}

@media (max-width: 576px) {
  .section { padding: 40px 0; }
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  h3 { font-size: 22px; }
  h4 { font-size: 18px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .stats-wrap { grid-template-columns: 1fr 1fr; }
  .stat-item .num { font-size: 40px; }
  .stat-item .unit { font-size: 20px; }
  .culture-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .honor-metrics { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .back-top { right: 14px; bottom: 14px; }
  .page-banner { height: 220px; }
  .page-banner h1 { font-size: 30px; }
  .banner-swiper { height: auto; }
  .banner-swiper .swiper-slide img { width: 100%; height: auto; object-fit: contain; }
  .banner-swiper .swiper-slide { background: var(--c-deep-1); }
  .slide-content { position: relative; top: auto; transform: none; background: var(--grad-deep); padding: 30px 0 40px; }
  .slide-content .b-sub { display: none; }
  .slide-content h1 { font-size: 24px; max-width: 100%; }
  .slide-content .b-btns .btn { padding: 11px 20px; font-size: 14px; }
  .banner-prev, .banner-next { width: 44px; height: 44px; font-size: 16px; top: auto; bottom: 300px; }
  .banner-prev { left: 10px; }
  .banner-next { right: 10px; }
  .banner-pagination { bottom: 270px; }
  .sec-head h2 { font-size: 26px; }
  .sec-more { position: static; display: block; margin-top: 10px; }
  .sec-head { margin-bottom: 34px; }
  .detail-head h1 { font-size: 26px; }
  .news-row-item { flex-direction: column; align-items: flex-start; }
  .news-row-item .nri-img { flex: none; width: 100%; height: 160px; }
  .svc-step { flex: 1 1 100%; }
  .svc-step::after { display: none; }
  .map-block .map-info { flex-direction: column; text-align: center; }
  .map-block .map-pin i { font-size: 38px; }
  .team-metrics { gap: 12px; }
  .team-metrics .tm-item { padding: 10px 14px; }
  .vote { display: none; }
  /* services 底部 CTA 小屏适配：字号再缩、按钮列排 */
  .svc-cta h3 { font-size: 24px; }
  .svc-cta .svc-cta-tel { font-size: 16px; }
  .svc-cta .svc-cta-tel a { font-size: 28px; }
  .svc-cta .svc-cta-btns { flex-direction: column; }
  .svc-cta .svc-cta-btns .btn { width: 100%; max-width: 320px; }
}

/* --------------------------------------------------------------------------
 * 25. 低动态偏好降级（第九章 9.11 补充 A）
 * ------------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
 * 26. 辅助工具类
 * ------------------------------------------------------------------------ */
.text-center { text-align: center; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.hidden { display: none !important; }
.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;
}