/* =========================================================
   河南京铁石化有限公司 · 企业官网
   风格：简约大气 · 深海军蓝 + 钢蓝
   ========================================================= */

:root {
  --navy-950: #071322;
  --navy-900: #0a1b30;
  --navy-800: #0f2a4a;
  --navy-700: #14406f;
  --blue-600: #1d5fd0;
  --blue-500: #2e72e8;
  --blue-50: #eaf2fe;
  --gold: #c4a24e;
  --gold-soft: #efe3c6;
  --ink: #17263a;
  --muted: #5c6b80;
  --line: #e4eaf2;
  --bg-soft: #f4f8fc;
  --white: #ffffff;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(15, 42, 74, .06);
  --shadow-md: 0 10px 30px rgba(15, 42, 74, .10);
  --shadow-lg: 0 24px 60px rgba(15, 42, 74, .16);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }
section { padding: 96px 0; }
::selection { background: var(--blue-500); color: #fff; }

/* ============ 通用组件 ============ */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .tag {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue-600); font-size: 13px; font-weight: 600;
  letter-spacing: 3px; margin-bottom: 14px;
}
.section-head .tag::before,
.section-head .tag::after {
  content: ""; width: 22px; height: 1px; background: var(--blue-500); opacity: .6;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; color: var(--navy-900); letter-spacing: 1px; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 15.5px; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head.left .tag::before { display: none; }
.section-head.left .tag::after { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 8px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: all .28s ease;
  line-height: 1.4; white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); color: #fff; box-shadow: 0 8px 22px rgba(46, 114, 232, .32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(46, 114, 232, .42); }
.btn-outline { border-color: rgba(255,255,255,.55); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-dark-line { border-color: var(--line); color: var(--navy-900); background: var(--white); }
.btn-dark-line:hover { border-color: var(--blue-500); color: var(--blue-600); }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn .arr { transition: transform .28s ease; }
.btn:hover .arr { transform: translateX(4px); }

/* ============ 顶部导航 ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { height: 52px; width: auto; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 19px; font-weight: 700; color: var(--navy-900); letter-spacing: 1px; }
.brand-text small { font-size: 9.5px; color: var(--muted); letter-spacing: 1.6px; font-weight: 500; margin-top: 3px; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  position: relative; padding: 10px 18px; font-size: 15px; color: var(--ink);
  font-weight: 500; transition: color .25s ease;
}
.main-nav a::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 4px; height: 2px;
  border-radius: 2px; background: var(--blue-500); transform: scaleX(0);
  transform-origin: left; transition: transform .28s ease;
}
.main-nav a:hover { color: var(--blue-600); }
.main-nav a.active { color: var(--blue-600); font-weight: 600; }
.main-nav a.active::after { transform: scaleX(1); }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; stroke: var(--navy-900); }

/* ============ Hero（首页） ============ */
.hero {
  position: relative; min-height: 52vh; display: flex; align-items: center;
  padding: 100px 0 72px; overflow: hidden; color: #fff;
  background:
    radial-gradient(1100px 560px at 82% -8%, rgba(46,114,232,.38), transparent 62%),
    radial-gradient(900px 520px at -12% 110%, rgba(196,162,78,.14), transparent 60%),
    linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 55%, #123660 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 78%);
}
.hero-decor { position: absolute; right: -120px; top: 50%; transform: translateY(-50%); opacity: .16; width: 560px; pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: 3px;
  color: var(--gold-soft); border: 1px solid rgba(196,162,78,.45); padding: 7px 16px; border-radius: 40px;
  background: rgba(196,162,78,.08); margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 58px); font-weight: 800; line-height: 1.22; letter-spacing: 2px;
  margin-bottom: 22px;
}
.hero h1 .hl { color: var(--gold); }
.hero p.lead { font-size: clamp(15px, 1.6vw, 18px); color: rgba(255,255,255,.82); max-width: 620px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 54px; }
.hero-meta { display: flex; gap: 36px; flex-wrap: wrap; color: rgba(255,255,255,.75); font-size: 14px; }
.hero-meta b { display: block; color: #fff; font-size: 15px; margin-bottom: 2px; }

/* 滚动提示 */
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.55); font-size: 12px; letter-spacing: 2px;
}
.scroll-hint span { width: 22px; height: 36px; border: 1.5px solid rgba(255,255,255,.5); border-radius: 12px; position: relative; }
.scroll-hint span::after { content: ""; position: absolute; left: 50%; top: 7px; width: 4px; height: 8px; margin-left: -2px; border-radius: 3px; background: #fff; animation: scrollDot 1.8s ease-in-out infinite; }
@keyframes scrollDot { 0%{transform:translateY(0);opacity:1} 70%{transform:translateY(12px);opacity:0} 100%{opacity:0} }

/* 数据统计条 */
.stats-band { background: var(--navy-900); color: #fff; padding: 0; }
.stats-band .stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 54px 0;
}
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: -12px; top: 12%; bottom: 12%; width: 1px;
  background: rgba(255,255,255,.12);
}
.stat-item .num { font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; color: var(--gold); line-height: 1.15; }
.stat-item .num sup { font-size: .55em; color: var(--gold); margin-left: 2px; }
.stat-item .lbl { margin-top: 8px; color: rgba(255,255,255,.68); font-size: 14px; letter-spacing: 1px; }

/* ============ 内页横幅 ============ */
.page-banner {
  position: relative; padding: 172px 0 84px; color: #fff; overflow: hidden;
  background:
    radial-gradient(760px 400px at 88% -20%, rgba(46,114,232,.4), transparent 60%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800) 60%, #123660);
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 20%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 20%, #000 20%, transparent 75%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; letter-spacing: 2px; margin-bottom: 12px; }
.page-banner .crumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.7); }
.page-banner .crumb a { color: var(--gold-soft); }
.page-banner .crumb a:hover { color: #fff; }
.page-banner .crumb i { font-style: normal; opacity: .6; }
.page-banner .sub { margin-top: 14px; color: rgba(255,255,255,.8); font-size: 15.5px; max-width: 640px; }

/* ============ 卡片 ============ */
/* 业务卡片（首页/产品页） */
.product-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: flex; flex-direction: column; height: 100%;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card .ico {
  width: 58px; height: 58px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); color: #fff; margin-bottom: 20px;
  box-shadow: 0 8px 18px rgba(46,114,232,.28);
}
.product-card .ico svg { width: 28px; height: 28px; }
.product-card h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 10px; font-weight: 700; }
.product-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 16px; }
.product-card ul { font-size: 13.5px; color: var(--ink); display: grid; gap: 8px; margin-bottom: 18px; }
.product-card ul li { position: relative; padding-left: 18px; }
.product-card ul li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 8px; height: 8px;
  border-radius: 2px; background: linear-gradient(135deg, var(--gold), #dcb96a);
}
.product-card .more { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--blue-600); display: inline-flex; align-items: center; gap: 6px; }
.product-card .more svg { width: 15px; height: 15px; transition: transform .25s ease; }
.product-card:hover .more svg { transform: translateX(4px); }

/* 优势卡片 */
.adv-card { text-align: center; padding: 34px 22px; border-radius: var(--radius); transition: all .3s ease; }
.adv-card:hover { background: var(--white); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.adv-card .ico {
  width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-50); color: var(--blue-600); transition: all .3s ease;
}
.adv-card:hover .ico { background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); color: #fff; box-shadow: 0 8px 18px rgba(46,114,232,.3); }
.adv-card .ico svg { width: 27px; height: 27px; }
.adv-card h3 { font-size: 16.5px; color: var(--navy-900); margin-bottom: 8px; }
.adv-card p { font-size: 13.8px; color: var(--muted); }

/* 信息卡片（联系我们） */
.info-card {
  display: flex; gap: 16px; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px; transition: all .3s ease; height: 100%;
}
.info-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-4px); }
.info-card .ico {
  flex: none; width: 48px; height: 48px; border-radius: 12px;
  background: var(--blue-50); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
.info-card .ico svg { width: 23px; height: 23px; }
.info-card h3 { font-size: 15px; color: var(--navy-900); margin-bottom: 4px; }
.info-card p { font-size: 14px; color: var(--muted); word-break: break-all; }

/* 价值观卡片 */
.value-card { text-align: center; padding: 40px 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: all .3s ease; }
.value-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.value-card .num { font-size: 40px; font-weight: 800; color: transparent; -webkit-text-stroke: 1.2px var(--blue-500); line-height: 1; margin-bottom: 14px; }
.value-card h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--muted); }

/* 资质卡片 */
.cert-item {
  display: flex; align-items: center; gap: 14px; background: var(--white);
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; transition: all .3s ease;
}
.cert-item:hover { border-color: var(--blue-500); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.cert-item .ico { flex: none; width: 42px; height: 42px; border-radius: 10px; background: var(--blue-50); color: var(--blue-600); display: flex; align-items: center; justify-content: center; }
.cert-item .ico svg { width: 21px; height: 21px; }
.cert-item b { font-size: 15px; color: var(--navy-900); display: block; }
.cert-item span { font-size: 12.5px; color: var(--muted); }

/* ============ 图文板块 ============ */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.split .text h2 { font-size: clamp(24px, 3vw, 34px); color: var(--navy-900); line-height: 1.35; margin-bottom: 18px; font-weight: 700; letter-spacing: 1px; }
.split .text p { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.split .text .btn { margin-top: 10px; }
.split-list { margin-top: 22px; display: grid; gap: 14px; }
.split-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink); }
.split-list li svg { flex: none; width: 20px; height: 20px; color: var(--blue-600); margin-top: 2px; }

/* 视觉占位图 */
.visual {
  position: relative; border-radius: 18px; overflow: hidden; min-height: 380px;
  background:
    radial-gradient(500px 300px at 85% 10%, rgba(46,114,232,.5), transparent 60%),
    linear-gradient(140deg, var(--navy-800), var(--navy-950));
  color: #fff; display: flex; align-items: flex-end; padding: 34px;
  box-shadow: var(--shadow-lg);
}
.visual::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at 70% 20%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 20%, #000, transparent 75%);
}
.visual .deco-svg { position: absolute; top: 26px; right: 26px; width: 180px; opacity: .35; }
.visual .cap { position: relative; z-index: 2; }
.visual .cap b { font-size: 17px; display: block; margin-bottom: 4px; letter-spacing: 1px; }
.visual .cap span { font-size: 13px; color: rgba(255,255,255,.72); }

/* ============ 时间线 ============ */
.timeline { position: relative; max-width: 880px; margin: 0 auto; padding-left: 0; }
.timeline::before { content: ""; position: absolute; left: 50%; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--blue-500), var(--gold)); transform: translateX(-50%); }
.tl-item { position: relative; width: 50%; padding: 0 44px 46px; }
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; }
.tl-item .dot {
  position: absolute; top: 4px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--blue-500); z-index: 2;
}
.tl-item:nth-child(odd) .dot { right: -7px; }
.tl-item:nth-child(even) .dot { left: -7px; }
.tl-item .year { font-size: 15px; font-weight: 700; color: var(--gold); letter-spacing: 1px; margin-bottom: 6px; }
.tl-item h3 { font-size: 17px; color: var(--navy-900); margin-bottom: 6px; }
.tl-item p { font-size: 13.8px; color: var(--muted); }
@media (max-width: 720px) {
  .timeline::before { left: 7px; }
  .tl-item, .tl-item:nth-child(odd), .tl-item:nth-child(even) { width: 100%; left: 0; text-align: left; padding: 0 0 36px 40px; }
  .tl-item .dot, .tl-item:nth-child(odd) .dot, .tl-item:nth-child(even) .dot { left: 0; right: auto; }
}

/* ============ 流程步骤 ============ */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; text-align: center; padding: 34px 18px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: all .3s ease; }
.step:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 30px; font-weight: 800; color: transparent;
  -webkit-text-stroke: 1.3px var(--blue-500); margin-bottom: 10px; line-height: 1.1;
}
.step b { display: block; font-size: 15.5px; color: var(--navy-900); margin-bottom: 6px; }
.step span { font-size: 13px; color: var(--muted); }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 50%; right: -12px; width: 24px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--blue-500) 0 5px, transparent 5px 9px);
}
@media (max-width: 992px) { .steps { grid-template-columns: repeat(2, 1fr); } .step:not(:last-child)::after { display: none; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ============ CTA 横幅 ============ */
.cta-band {
  background:
    radial-gradient(700px 380px at 15% 0%, rgba(46,114,232,.35), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff; text-align: center; padding: 84px 0;
}
.cta-band h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 700; letter-spacing: 1px; margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,.78); font-size: 15.5px; max-width: 600px; margin: 0 auto 30px; }

/* ============ 联系表单 / 地图 ============ */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.form-panel { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 38px; box-shadow: var(--shadow-sm); }
.form-panel h3 { font-size: 20px; color: var(--navy-900); margin-bottom: 8px; }
.form-panel > p { font-size: 14px; color: var(--muted); margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.form-group label i { color: var(--blue-600); font-style: normal; }
.form-group input, .form-group textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 12px 14px;
  font-size: 14.5px; font-family: inherit; color: var(--ink); background: var(--bg-soft);
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease; outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 3px rgba(46,114,232,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success {
  display: none; margin-top: 16px; padding: 14px 18px; border-radius: 10px;
  background: #e8f7ef; color: #1c7a45; font-size: 14px; border: 1px solid #bfe8d1;
}
.form-success.show { display: block; animation: fadeUp .5s ease; }
.form-success.error { background: #fdecec; color: #b5372c; border-color: #f3c1bd; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.map-panel {
  position: relative; border-radius: 18px; overflow: hidden; min-height: 420px; height: 100%;
  background:
    radial-gradient(480px 300px at 80% 0%, rgba(46,114,232,.35), transparent 60%),
    linear-gradient(150deg, var(--navy-800), var(--navy-950));
  color: #fff; display: flex; align-items: flex-end; padding: 34px;
  box-shadow: var(--shadow-lg);
}
.map-panel::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,.14) 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse at 75% 15%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 75% 15%, #000, transparent 78%);
}
.map-panel .pin {
  position: absolute; left: 30%; top: 32%; width: 52px; height: 52px; z-index: 2;
  background: var(--gold); border-radius: 50% 50% 50% 4px; transform: rotate(-45deg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,.35); animation: pinPulse 2.4s ease-in-out infinite;
}
.map-panel .pin svg { width: 26px; height: 26px; color: #fff; transform: rotate(45deg); }
@keyframes pinPulse { 0%,100% { box-shadow: 0 10px 24px rgba(0,0,0,.35); } 50% { box-shadow: 0 10px 34px rgba(196,162,78,.55); } }
.map-panel .cap { position: relative; z-index: 2; background: rgba(7,19,34,.55); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.16); border-radius: 12px; padding: 16px 20px; width: 100%; }
.map-panel .cap b { font-size: 16px; display: block; margin-bottom: 4px; }
.map-panel .cap span { font-size: 13px; color: rgba(255,255,255,.75); }
/* 地图嵌入（iframe） */
.map-embed { display: block; padding: 0; }
.map-embed::before { display: none; }
.map-embed iframe { width: 100%; height: 100%; min-height: 460px; border: 0; display: block; }

/* ============ 页脚 ============ */
.site-footer { background: var(--navy-950); color: rgba(255,255,255,.72); padding: 76px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 52px; }
.footer-grid h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: 1px; }
.footer-brand p { font-size: 14px; margin-top: 16px; max-width: 320px; }
.footer-brand .brand { margin-bottom: 6px; }
.footer-brand .brand .brand-mark { height: 90px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text small { color: rgba(255,255,255,.5); }
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 14px; transition: color .25s ease, padding-left .25s ease; }
.footer-links a:hover { color: var(--gold-soft); padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; margin-bottom: 13px; align-items: flex-start; }
.footer-contact svg { flex: none; width: 17px; height: 17px; color: var(--gold); margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: 13px; color: rgba(255,255,255,.5); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ============ 滚动动画 ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in-view { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; } .d4 { transition-delay: .32s; }

/* ============ 背景板块 ============ */
.bg-soft { background: var(--bg-soft); }
.bg-navy { background: var(--navy-900); color: #fff; }
.bg-navy .section-head h2 { color: #fff; }
.bg-navy .section-head p { color: rgba(255,255,255,.7); }
.bg-navy .section-head .tag { color: var(--gold-soft); }
.bg-navy .section-head .tag::before, .bg-navy .section-head .tag::after { background: var(--gold); }

/* ============ 主推业务横幅 ============ */
.feature-band { background:
    radial-gradient(760px 420px at 92% -10%, rgba(46,114,232,.4), transparent 60%),
    radial-gradient(520px 320px at 0% 110%, rgba(196,162,78,.18), transparent 55%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800) 60%, #123660);
  color: #fff; padding: 0; }
.feature-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: center; padding: 84px 0; }
.feature-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: var(--gold-soft); border: 1px solid rgba(196,162,78,.5); background: rgba(196,162,78,.1);
  padding: 7px 16px; border-radius: 40px; margin-bottom: 22px;
}
.feature-band h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; letter-spacing: 2px; line-height: 1.3; margin-bottom: 18px; }
.feature-band h2 .hl { color: var(--gold); }
.feature-band p { color: rgba(255,255,255,.82); font-size: 15.5px; max-width: 560px; margin-bottom: 28px; }
.feature-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.feature-side { display: grid; gap: 16px; }
.feature-chip {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(8px);
  border-radius: 14px; padding: 20px 22px; display: flex; align-items: center; gap: 16px; transition: all .3s ease;
}
.feature-chip:hover { background: rgba(255,255,255,.13); transform: translateX(6px); }
.feature-chip .ico { flex: none; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(46,114,232,.35); }
.feature-chip .ico svg { width: 22px; height: 22px; }
.feature-chip b { display: block; font-size: 15.5px; color: #fff; margin-bottom: 2px; }
.feature-chip span { font-size: 13px; color: rgba(255,255,255,.7); }
@media (max-width: 900px) { .feature-inner { grid-template-columns: 1fr; padding: 64px 0; } }

/* ============ FAQ 板块 ============ */
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; text-align: left; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px; box-shadow: 0 4px 14px rgba(10,27,48,.05); transition: box-shadow .3s ease; }
.faq-item:hover { box-shadow: 0 8px 24px rgba(10,27,48,.10); }
.faq-q { display: flex; gap: 12px; font-size: 16px; font-weight: 700; color: var(--navy-900); margin-bottom: 8px; line-height: 1.5; }
.faq-q .q-mark { flex: none; width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); color: #fff; font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.faq-a { padding-left: 38px; color: var(--muted); font-size: 14.5px; line-height: 1.9; }

/* ============ 新闻板块 ============ */
.news-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.news-tabs .tab {
  padding: 9px 26px; border-radius: 40px; border: 1px solid var(--line); background: var(--white);
  font-size: 14.5px; font-weight: 600; color: var(--muted); cursor: pointer; transition: all .28s ease;
}
.news-tabs .tab:hover { border-color: var(--blue-500); color: var(--blue-600); }
.news-tabs .tab.active { background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); border-color: transparent; color: #fff; box-shadow: 0 8px 18px rgba(46,114,232,.28); }

.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px; }
.news-card {
  display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-cover { position: relative; height: 190px; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-cover img { transform: scale(1.05); }
.news-cover svg { width: 100%; height: 100%; }
.news-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2; font-size: 12px; font-weight: 600; letter-spacing: 1px;
  color: #fff; background: rgba(10,27,48,.62); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.25);
  padding: 4px 12px; border-radius: 40px;
}
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; letter-spacing: .5px; }
.news-body h3 { font-size: 17px; font-weight: 700; color: var(--navy-900); line-height: 1.5; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: 13.8px; color: var(--muted); margin-bottom: 16px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .more { margin-top: auto; font-size: 13.5px; font-weight: 600; color: var(--blue-600); display: inline-flex; align-items: center; gap: 6px; }
.news-body .more svg { width: 14px; height: 14px; transition: transform .25s ease; }
.news-card:hover .more svg { transform: translateX(4px); }
.news-empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 60px 0; font-size: 15px; }
.news-tip { text-align: center; margin-top: 44px; font-size: 13px; color: var(--muted); }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.pagination .pg {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--white); font-size: 14px; color: var(--ink); cursor: pointer; transition: all .25s ease;
}
.pagination .pg:hover { border-color: var(--blue-500); color: var(--blue-600); }
.pagination .pg.active { background: var(--blue-500); border-color: var(--blue-500); color: #fff; font-weight: 600; }

/* 新闻详情 */
.news-article { max-width: 820px; margin: 0 auto; background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 48px 56px; box-shadow: var(--shadow-sm); }
.news-article-head { text-align: center; border-bottom: 1px solid var(--line); padding-bottom: 28px; margin-bottom: 34px; }
.news-article-head .news-badge { position: static; display: inline-block; margin-bottom: 16px; background: var(--blue-50); color: var(--blue-600); border-color: transparent; }
.news-article-head h1 { font-size: clamp(22px, 3vw, 32px); font-weight: 800; color: var(--navy-900); line-height: 1.45; letter-spacing: 1px; }
.news-article-meta { display: flex; justify-content: center; gap: 22px; margin-top: 16px; font-size: 13.5px; color: var(--muted); flex-wrap: wrap; }
.news-content { font-size: 15.5px; line-height: 1.95; color: var(--ink); }
.news-content p { margin-bottom: 18px; }
.news-content h2 { font-size: 20px; color: var(--navy-900); margin: 30px 0 14px; font-weight: 700; }
.news-content h3 { font-size: 17px; color: var(--navy-900); margin: 26px 0 12px; font-weight: 700; }
.news-content blockquote { margin: 22px 0; padding: 16px 22px; border-left: 4px solid var(--blue-500); background: var(--bg-soft); border-radius: 0 10px 10px 0; color: var(--navy-800); font-weight: 500; }
.news-content ul, .news-content ol { margin: 0 0 18px 22px; }
.news-content li { margin-bottom: 8px; }
.news-content li::marker { color: var(--blue-500); }
.news-content img { border-radius: 12px; margin: 22px auto; max-width: 100%; }
.news-article-foot { margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--line); text-align: center; }
@media (max-width: 640px) { .news-article { padding: 30px 24px; } }

/* ============ 响应式 ============ */
@media (max-width: 992px) {
  section { padding: 72px 0; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-band .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .stat-item + .stat-item::before { display: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 76px; left: 0; right: 0; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); padding: 12px 6%;
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .3s ease;
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav a { padding: 14px 10px; border-bottom: 1px dashed var(--line); }
  .main-nav a::after { display: none; }
  .main-nav a:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { min-height: 54vh; padding: 88px 0 60px; }
  .scroll-hint { display: none; }
  .hero-meta { gap: 22px; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}