/* ============ 新港联行官网 · 前台样式 ============ */

:root {
  --navy: #C8161D;
  --navy-deep: #9E1218;
  --navy-light: #E03A41;
  --gold: #B99A5B;
  --gold-light: #D4BC8B;
  --text: #1F2328;
  --text-sub: #5B6570;
  --text-mute: #8B949E;
  --line: #E5E8EC;
  --bg-gray: #F5F7FA;
  --white: #fff;
  --radius: 4px;
  --wrap: 1280px;
  --header-h: 78px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN", sans-serif;
  color: var(--text);
  background: var(--white);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 40px; }

/* ---------- 头部 ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--header-h);
  background: rgba(255,255,255,0);
  transition: background .35s, box-shadow .35s, height .35s;
}
.header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.header.solid { background: var(--white); box-shadow: 0 1px 14px rgba(200,22,29,.09); height: 68px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 42px; width: auto; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn { font-size: 22px; font-weight: 700; letter-spacing: 3px; color: var(--white); transition: color .35s; }
.logo-en { font-size: 10px; letter-spacing: 3px; color: rgba(255,255,255,.7); transition: color .35s; }
.header.solid .logo-cn { color: var(--navy); }
.header.solid .logo-en { color: var(--text-mute); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 10px 20px; font-size: 15px;
  color: rgba(255,255,255,.92); transition: color .25s;
}
.nav a::after {
  content: ''; position: absolute; left: 20px; right: 20px; bottom: 2px;
  height: 2px; background: var(--gold); transform: scaleX(0);
  transition: transform .3s; transform-origin: center;
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.header.solid .nav a { color: var(--text); }
.header.solid .nav a:hover, .header.solid .nav a.active { color: var(--navy); }

.header-tel { display: flex; align-items: center; gap: 8px; color: var(--white); font-size: 15px; font-weight: 600; letter-spacing: .5px; }
.header.solid .header-tel { color: var(--navy); }
.header-tel .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }

.menu-btn { display: none; width: 32px; height: 26px; position: relative; background: none; border: 0; cursor: pointer; }
.menu-btn span { position: absolute; left: 0; right: 0; height: 2px; background: var(--white); transition: .3s; }
.menu-btn span:nth-child(1) { top: 2px; }
.menu-btn span:nth-child(2) { top: 12px; }
.menu-btn span:nth-child(3) { top: 22px; }
.header.solid .menu-btn span { background: var(--navy); }

/* 内页头部固定为白底 */
.header.inner { background: var(--white); box-shadow: 0 1px 14px rgba(200,22,29,.09); }
.header.inner .logo-cn { color: var(--navy); }
.header.inner .logo-en { color: var(--text-mute); }
.header.inner .nav a { color: var(--text); }
.header.inner .header-tel { color: var(--navy); }
.header.inner .menu-btn span { background: var(--navy); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--navy-deep) center/cover no-repeat;
  color: var(--white); overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,35,64,.92) 0%, rgba(10,35,64,.72) 45%, rgba(10,35,64,.45) 100%);
}
.hero-deco {
  position: absolute; right: -120px; top: 50%; transform: translateY(-50%);
  width: 620px; height: 620px; border: 1px solid rgba(185,154,91,.22); border-radius: 50%;
}
.hero-deco::after {
  content: ''; position: absolute; inset: 90px; border: 1px solid rgba(185,154,91,.16); border-radius: 50%;
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: var(--header-h); }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px; font-size: 14px;
  letter-spacing: 4px; color: var(--gold-light); margin-bottom: 26px;
}
.hero-tag::before { content: ''; width: 40px; height: 1px; background: var(--gold); }
.hero h1 { font-size: 60px; line-height: 1.25; font-weight: 700; letter-spacing: 2px; margin-bottom: 24px; }
.hero .sub { font-size: 21px; color: rgba(255,255,255,.9); margin-bottom: 14px; letter-spacing: 1px; }
.hero .desc { font-size: 16px; color: rgba(255,255,255,.66); max-width: 620px; margin-bottom: 44px; }
.hero-btns { display: flex; gap: 18px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 40px; font-size: 15px; letter-spacing: 1px;
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer;
  transition: all .3s;
}
.btn-gold { background: var(--gold); color: var(--white); border-color: var(--gold); }
.btn-gold:hover { background: #A88849; border-color: #A88849; }
.btn-ghost { border-color: rgba(255,255,255,.5); color: var(--white); }
.btn-ghost:hover { background: var(--white); color: var(--navy); border-color: var(--white); }
.btn-navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-navy:hover { background: var(--navy-light); border-color: var(--navy-light); }
.btn-line { border-color: var(--navy); color: var(--navy); }
.btn-line:hover { background: var(--navy); color: var(--white); }

.hero-scroll {
  position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,.6); font-size: 12px; letter-spacing: 2px; text-align: center;
}
.hero-scroll i { display: block; width: 1px; height: 40px; margin: 10px auto 0; background: rgba(255,255,255,.4); }

/* ---------- 数字 ---------- */
.stats { background: var(--navy); color: var(--white); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 54px 34px; text-align: center; border-right: 1px solid rgba(255,255,255,.1); }
.stat-item:last-child { border-right: 0; }
.stat-num { font-size: 50px; font-weight: 700; color: var(--gold-light); line-height: 1.1; letter-spacing: 1px; }
.stat-num span { font-size: 26px; margin-left: 2px; }
.stat-label { font-size: 17px; margin-top: 10px; letter-spacing: 1px; }
.stat-desc { font-size: 13px; color: rgba(255,255,255,.55); margin-top: 8px; line-height: 1.6; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.gray { background: var(--bg-gray); }
.section.navy { background: var(--navy); color: var(--white); }

.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head.left { text-align: left; }
.sec-tag {
  display: inline-block; font-size: 13px; letter-spacing: 5px; color: var(--gold);
  margin-bottom: 14px; text-transform: uppercase;
}
.sec-title { font-size: 36px; font-weight: 700; letter-spacing: 1px; line-height: 1.4; }
.section.navy .sec-title { color: var(--white); }
.sec-sub { font-size: 16px; color: var(--text-sub); margin-top: 14px; }
.section.navy .sec-sub { color: rgba(255,255,255,.62); }
.sec-line { width: 48px; height: 3px; background: var(--gold); margin: 20px auto 0; }
.sec-head.left .sec-line { margin-left: 0; }

/* ---------- 服务卡片 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--line); background: var(--white); }
.service-card {
  position: relative; padding: 44px 28px 40px; border-right: 1px solid var(--line);
  transition: all .35s; display: block;
}
.service-card:last-child { border-right: 0; }
.service-card::before {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--gold); transform: scaleX(0); transition: transform .35s;
}
.service-card:hover { background: var(--navy); }
.service-card:hover::before { transform: scaleX(1); }
.service-no { font-size: 40px; font-weight: 700; color: var(--line); line-height: 1; transition: color .35s; }
.service-card:hover .service-no { color: rgba(185,154,91,.6); }
.service-name { font-size: 21px; font-weight: 700; margin: 20px 0 14px; letter-spacing: 1px; transition: color .35s; }
.service-card:hover .service-name { color: var(--white); }
.service-sum { font-size: 14px; color: var(--text-sub); line-height: 1.8; min-height: 76px; transition: color .35s; }
.service-card:hover .service-sum { color: rgba(255,255,255,.72); }
.service-more { margin-top: 22px; font-size: 13px; color: var(--gold); letter-spacing: 1px; }

/* ---------- 案例卡片 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.case-grid.col3 { grid-template-columns: repeat(3, 1fr); }
.case-card { background: var(--white); overflow: hidden; box-shadow: 0 2px 16px rgba(200,22,29,.07); transition: all .35s; display: block; }
.case-card:hover { box-shadow: 0 14px 38px rgba(200,22,29,.16); transform: translateY(-6px); }
.case-thumb { position: relative; padding-top: 68%; overflow: hidden; background: var(--navy-deep); }
.case-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.case-card:hover .case-thumb img { transform: scale(1.07); }
.case-ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.28); font-size: 15px; letter-spacing: 4px;
  background: linear-gradient(135deg, #C8161D 0%, #E03A41 100%);
}
.case-badges { position: absolute; left: 14px; top: 14px; display: flex; gap: 8px; z-index: 2; }
.case-badges span { background: rgba(200,22,29,.86); color: var(--white); font-size: 12px; padding: 4px 11px; border-radius: 2px; }
.case-body { padding: 22px 24px 26px; }
.case-name { font-size: 19px; font-weight: 700; letter-spacing: .5px; }
.case-scale { font-size: 14px; color: var(--gold); margin-top: 8px; }
.case-sum { font-size: 13px; color: var(--text-sub); margin-top: 10px; line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 简介区 ---------- */
.intro-flex { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.intro-img { position: relative; padding-top: 68%; background: linear-gradient(135deg,#C8161D,#E03A41); overflow: hidden; }
.intro-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.intro-img .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.3); letter-spacing: 4px; }
.intro-text p { color: var(--text-sub); margin-bottom: 18px; font-size: 15.5px; }

/* ---------- 荣誉 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.13); }
.honor-item { background: var(--navy); padding: 34px 26px; text-align: center; transition: background .3s; }
.honor-item:hover { background: var(--navy-light); }
.honor-main { font-size: 16px; font-weight: 600; letter-spacing: .5px; }
.honor-sub { font-size: 13px; color: var(--gold-light); margin-top: 8px; }

/* ---------- 合作伙伴 ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 16px; }
.partner-item {
  background: var(--white); border: 1px solid var(--line); height: 92px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; color: var(--text-sub); letter-spacing: 1px; transition: all .3s;
}
.partner-item:hover { border-color: var(--gold); color: var(--navy); box-shadow: 0 6px 20px rgba(200,22,29,.09); }
.partner-item img { max-height: 52px; width: auto; object-fit: contain; }

/* ---------- 新闻列表 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: var(--white); box-shadow: 0 2px 16px rgba(200,22,29,.07); transition: all .35s; display: block; }
.news-card:hover { box-shadow: 0 14px 38px rgba(200,22,29,.15); transform: translateY(-5px); }
.news-thumb { position: relative; padding-top: 56%; overflow: hidden; background: var(--bg-gray); }
.news-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-thumb .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#C8161D,#E03A41); color: rgba(255,255,255,.3); letter-spacing: 4px; }
.news-body { padding: 24px 26px 28px; }
.news-meta { display: flex; gap: 14px; font-size: 13px; color: var(--text-mute); margin-bottom: 12px; }
.news-meta em { font-style: normal; color: var(--gold); }
.news-title { font-size: 18px; font-weight: 600; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card:hover .news-title { color: var(--navy); }
.news-sum { font-size: 13.5px; color: var(--text-sub); margin-top: 12px; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.news-row { display: flex; gap: 30px; padding: 30px 0; border-bottom: 1px solid var(--line); transition: all .3s; }
.news-row:hover { background: var(--bg-gray); padding-left: 16px; padding-right: 16px; }
.news-row .rt { width: 260px; flex-shrink: 0; position: relative; padding-top: 150px; overflow: hidden; background: var(--bg-gray); }
.news-row .rt img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.news-row .rt .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#C8161D,#E03A41); color: rgba(255,255,255,.3); letter-spacing: 3px; font-size: 13px; }
.news-row .rb { flex: 1; display: flex; flex-direction: column; justify-content: center; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(100deg, var(--navy-deep) 0%, var(--navy-light) 100%);
  color: var(--white); padding: 78px 0; text-align: center;
}
.cta h2 { font-size: 34px; font-weight: 700; letter-spacing: 1px; }
.cta p { font-size: 16px; color: rgba(255,255,255,.72); margin: 14px 0 34px; }

/* ---------- 内页 Banner ---------- */
.page-banner {
  position: relative; height: 380px; display: flex; align-items: center;
  background: var(--navy-deep) center/cover no-repeat; color: var(--white); margin-top: 0;
}
.page-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,35,64,.9), rgba(10,35,64,.6)); }
.page-banner .wrap { position: relative; z-index: 2; padding-top: 60px; }
.page-banner .en { font-size: 13px; letter-spacing: 6px; color: var(--gold-light); }
.page-banner h1 { font-size: 42px; font-weight: 700; letter-spacing: 2px; margin-top: 12px; }
.page-banner .line { width: 48px; height: 3px; background: var(--gold); margin-top: 20px; }

.crumb { background: var(--white); border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--text-mute); }
.crumb .wrap { display: flex; align-items: center; gap: 8px; height: 56px; }
.crumb a:hover { color: var(--navy); }

/* ---------- 详情正文 ---------- */
.article { max-width: 900px; margin: 0 auto; }
.article-head { text-align: center; padding-bottom: 26px; border-bottom: 1px solid var(--line); margin-bottom: 36px; }
.article-head h1 { font-size: 32px; font-weight: 700; line-height: 1.45; letter-spacing: .5px; }
.article-meta { display: flex; justify-content: center; gap: 22px; font-size: 13.5px; color: var(--text-mute); margin-top: 18px; }
.rich { font-size: 16px; line-height: 2.05; color: #333; }
.rich p { margin-bottom: 20px; }
.rich h2 { font-size: 24px; margin: 34px 0 16px; padding-left: 14px; border-left: 4px solid var(--gold); }
.rich h3 { font-size: 20px; margin: 28px 0 14px; color: var(--navy); }
.rich img { margin: 22px auto; border-radius: 3px; }
.rich ul, .rich ol { margin: 0 0 20px 22px; }
.rich ul li { list-style: disc; margin-bottom: 8px; }
.rich ol li { list-style: decimal; margin-bottom: 8px; }
.rich strong { color: var(--navy); }
.rich blockquote { border-left: 4px solid var(--gold); background: var(--bg-gray); padding: 16px 22px; margin-bottom: 20px; color: var(--text-sub); }
.rich a { color: var(--navy-light); text-decoration: underline; }

.article-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 14.5px; }
.article-nav a { color: var(--text-sub); max-width: 46%; }
.article-nav a:hover { color: var(--navy); }
.article-nav span { color: var(--text-mute); }

/* ---------- 筛选 ---------- */
.filter { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 44px; }
.filter button {
  padding: 9px 26px; border: 1px solid var(--line); background: var(--white);
  color: var(--text-sub); cursor: pointer; border-radius: 2px; transition: all .25s; font-size: 14.5px;
}
.filter button:hover { border-color: var(--navy); color: var(--navy); }
.filter button.on { background: var(--navy); border-color: var(--navy); color: var(--white); }

/* ---------- 业务详情 ---------- */
.biz-detail { display: grid; grid-template-columns: 280px 1fr; gap: 50px; align-items: start; }
.biz-side { position: sticky; top: 100px; border: 1px solid var(--line); }
.biz-side h3 { background: var(--navy); color: var(--white); padding: 20px 24px; font-size: 19px; letter-spacing: 1px; }
.biz-side a { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--line); color: var(--text-sub); font-size: 15px; transition: all .25s; }
.biz-side a:last-child { border-bottom: 0; }
.biz-side a:hover, .biz-side a.on { background: var(--bg-gray); color: var(--navy); padding-left: 30px; }
.biz-side a.on { border-left: 3px solid var(--gold); }

.point-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 30px 0 40px; }
.point-item { background: var(--bg-gray); padding: 20px 22px; border-left: 3px solid var(--gold); font-size: 15.5px; font-weight: 600; color: var(--navy); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: start; }
.contact-info-list { display: flex; flex-direction: column; gap: 26px; }
.ci-item { display: flex; gap: 18px; padding-bottom: 24px; border-bottom: 1px dashed var(--line); }
.ci-icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 50%; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; color: var(--navy); font-size: 15px; font-weight: 700; }
.ci-label { font-size: 13px; color: var(--text-mute); letter-spacing: 1px; }
.ci-value { font-size: 17px; font-weight: 600; color: var(--navy); margin-top: 4px; word-break: break-all; }

.form-box { background: var(--bg-gray); padding: 42px 44px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-item { margin-bottom: 18px; }
.form-item label { display: block; font-size: 14px; color: var(--text-sub); margin-bottom: 8px; }
.form-item label em { color: #D9534F; font-style: normal; margin-left: 3px; }
.form-item input, .form-item textarea, .form-item select {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); background: var(--white);
  border-radius: 2px; transition: border-color .25s; color: var(--text);
}
.form-item input:focus, .form-item textarea:focus, .form-item select:focus { border-color: var(--navy); }
.form-item textarea { min-height: 130px; resize: vertical; line-height: 1.7; }
.form-tip { font-size: 14px; margin-top: 14px; min-height: 22px; }
.form-tip.ok { color: #2E8B57; }
.form-tip.err { color: #D9534F; }

/* ---------- 历程 ---------- */
.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item::before { content: ''; position: absolute; left: -39px; top: 8px; width: 18px; height: 18px; border-radius: 50%; background: var(--white); border: 4px solid var(--gold); }
.tl-year { font-size: 26px; font-weight: 700; color: var(--navy); letter-spacing: 1px; }
.tl-title { font-size: 17px; font-weight: 600; margin-top: 6px; }
.tl-text { font-size: 14.5px; color: var(--text-sub); margin-top: 6px; }

/* ---------- 理念 / 荣誉卡 ---------- */
.vision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.vision-item { background: var(--white); border: 1px solid var(--line); padding: 40px 34px; text-align: center; transition: all .3s; }
.vision-item:hover { border-color: var(--gold); box-shadow: 0 12px 32px rgba(200,22,29,.1); }
.vision-item h3 { font-size: 22px; color: var(--navy); letter-spacing: 2px; }
.vision-item .l { width: 34px; height: 2px; background: var(--gold); margin: 14px auto 16px; }
.vision-item p { font-size: 15px; color: var(--text-sub); }

.honorcard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.honorcard { background: var(--white); border: 1px solid var(--line); padding: 28px 26px; display: flex; gap: 16px; align-items: center; transition: all .3s; }
.honorcard:hover { border-color: var(--gold); }
.honorcard .hi { width: 8px; height: 44px; background: var(--gold); flex-shrink: 0; }
.honorcard .hn { font-size: 16px; font-weight: 600; }
.honorcard .hd { font-size: 13.5px; color: var(--gold); margin-top: 4px; }

/* ---------- 空状态 / 分页 ---------- */
.empty { text-align: center; padding: 90px 0; color: var(--text-mute); font-size: 15px; }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 50px; }
.pager button { min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid var(--line); background: var(--white); cursor: pointer; transition: all .25s; }
.pager button:hover:not(:disabled) { border-color: var(--navy); color: var(--navy); }
.pager button.on { background: var(--navy); border-color: var(--navy); color: var(--white); }
.pager button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-deep); color: rgba(255,255,255,.62); font-size: 14px; }
.footer-top { padding: 62px 0 46px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 44px; }
.footer h4 { color: var(--white); font-size: 16px; margin-bottom: 20px; letter-spacing: 1px; }
.footer-logo .fc { font-size: 24px; font-weight: 700; color: var(--white); letter-spacing: 3px; }
.footer-logo .fe { font-size: 11px; letter-spacing: 3px; color: rgba(255,255,255,.45); margin-top: 4px; }
.footer-logo p { margin-top: 18px; line-height: 1.9; font-size: 13.5px; }
.footer-logo img { height: 46px; margin-bottom: 12px; }
.footer ul li { margin-bottom: 11px; }
.footer ul li a:hover { color: var(--gold-light); }
.footer-contact li { display: flex; gap: 8px; line-height: 1.8; }
.footer-contact li b { color: rgba(255,255,255,.85); font-weight: 400; flex-shrink: 0; }
.footer-qr { text-align: center; }
.footer-qr img { width: 120px; height: 120px; object-fit: cover; background: #fff; padding: 6px; margin: 0 auto; }
.footer-qr .ph { width: 120px; height: 120px; border: 1px dashed rgba(255,255,255,.28); display: flex; align-items: center; justify-content: center; margin: 0 auto; font-size: 12px; color: rgba(255,255,255,.4); }
.footer-qr p { font-size: 12.5px; margin-top: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }
.footer-bottom a:hover { color: var(--gold-light); }

.backtop {
  position: fixed; right: 30px; bottom: 40px; width: 48px; height: 48px; z-index: 800;
  background: var(--navy); color: var(--white); border: 0; cursor: pointer; border-radius: 3px;
  opacity: 0; visibility: hidden; transition: all .3s; font-size: 18px;
}
.backtop.show { opacity: 1; visibility: visible; }
.backtop:hover { background: var(--gold); }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .service-card:nth-child(3) { border-right: 0; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(4, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .nav {
    position: fixed; top: 68px; left: 0; right: 0; background: var(--white);
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 0;
    box-shadow: 0 10px 24px rgba(0,0,0,.12); display: none;
  }
  .nav.open { display: flex; }
  .nav a { color: var(--text) !important; padding: 15px 22px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .menu-btn { display: block; }
  .header-tel { display: none; }
  .header { background: var(--white); box-shadow: 0 1px 12px rgba(0,0,0,.08); height: 68px; }
  .header .logo-cn { color: var(--navy); }
  .header .logo-en { color: var(--text-mute); }
  .header .menu-btn span { background: var(--navy); }

  .hero { min-height: 82vh; }
  .hero h1 { font-size: 32px; }
  .hero .sub { font-size: 16px; }
  .hero .desc { font-size: 14px; margin-bottom: 30px; }
  .hero-deco { display: none; }
  .btn { padding: 13px 28px; font-size: 14px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { padding: 32px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .stat-item:nth-child(2n) { border-right: 0; }
  .stat-num { font-size: 34px; }
  .stat-label { font-size: 15px; }

  .section { padding: 56px 0; }
  .sec-title { font-size: 25px; }
  .sec-sub { font-size: 14px; }

  .service-grid { grid-template-columns: 1fr; }
  .service-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .service-sum { min-height: auto; }

  .case-grid, .case-grid.col3, .news-grid, .vision-grid, .honorcard-grid, .point-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .honor-grid { grid-template-columns: 1fr; }
  .intro-flex, .contact-grid, .biz-detail { grid-template-columns: 1fr; gap: 32px; }
  .biz-side { position: static; }

  .news-row { flex-direction: column; gap: 16px; }
  .news-row .rt { width: 100%; padding-top: 56%; }

  .page-banner { height: 260px; }
  .page-banner h1 { font-size: 28px; }
  .article-head h1 { font-size: 23px; }
  .rich { font-size: 15.5px; }
  .form-box { padding: 26px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .cta h2 { font-size: 24px; }

  .footer-top { grid-template-columns: 1fr; gap: 30px; padding: 40px 0 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .backtop { right: 14px; bottom: 20px; width: 42px; height: 42px; }
}
