@charset "utf-8";
/* ============================================================
   宏索制冷设备有限公司 · 全新响应式官网
   风格基调：全屏大版式 / 深蓝 #015cb5 + 金色 #f7c433
   结构：头部(固定) → 全屏Banner → 快捷入口 → 产品中心
        → 服务保障 → 适用场景 → 工程案例 → 服务流程
        → 关于我们 → 新闻资讯 → 常见问题 → 报价转化
        → 页脚 / 悬浮联系
   ============================================================ */

:root {
  --blue: #015cb5;
  --blue-d: #01498f;
  --navy: #012b52;
  --navy-d: #011d38;
  --gold: #f7c433;
  --gold-d: #e2ac12;
  --ink: #1a2230;
  --gray: #667485;
  --gray-l: #93a1b1;
  --line: #e6ecf3;
  --bg: #f6f9fc;
  --white: #fff;
  --radius: 8px;
  --shadow-s: 0 4px 16px rgba(1, 43, 82, .07);
  --shadow-m: 0 12px 40px rgba(1, 43, 82, .13);
  --header-h: 132px;
  --ease: cubic-bezier(.25, .8, .35, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 150px; }
body {
  font: 16px/1.75 "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: all .28s var(--ease); }
ul, ol, li { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
em, i { font-style: normal; }

.container { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 64px); }
.container.narrow { max-width: 1180px; }
.clearfix::after { content: ""; display: block; clear: both; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 32px; border-radius: 4px; border: 1px solid transparent;
  font-size: 16px; font-weight: 600; letter-spacing: .5px; cursor: pointer;
  transition: all .28s var(--ease); white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-gold { background: var(--gold); color: #17324f; }
.btn-gold:hover { background: #ffd155; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(247, 196, 51, .35); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-d); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(1, 92, 181, .3); }
.btn-line { border-color: rgba(255, 255, 255, .7); color: #fff; background: rgba(1, 25, 48, .38); backdrop-filter: blur(3px); }
.btn-line:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.btn-line-dark { border-color: var(--line); color: var(--blue); background: #fff; }
.btn-line-dark:hover { border-color: var(--blue); background: var(--blue); color: #fff; }

/* ============================================================
   头部
   ============================================================ */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 900; background: #fff; }
.topbar {
  background: var(--navy); color: #a8c2db; font-size: 13px; height: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.topbar-links { display: flex; align-items: center; gap: 18px; }
.topbar-links li + li::before { content: ""; display: inline-block; width: 1px; height: 11px; background: rgba(255, 255, 255, .22); margin-right: 18px; vertical-align: -1px; }
.topbar-links a:hover { color: var(--gold); }

.head { background: #fff; transition: box-shadow .3s; }
.site-header.scrolled .head { box-shadow: 0 4px 20px rgba(1, 43, 82, .10); }
.site-header.scrolled .topbar { display: none; }
.head .container, .nav .container, .logo-mark, .logo-txt strong, .tel-box a { transition: all .3s var(--ease); }

/* 滚动后紧凑头部：只留 LOGO + 微信/电话 + 导航 */
@media (min-width: 901px) {
  .site-header.scrolled .head-slogan { display: none; }
  .site-header.scrolled .head .container { height: 62px; }
  .site-header.scrolled .logo-mark { width: 40px; height: 40px; filter: drop-shadow(0 3px 10px rgba(1, 92, 181, .22)); }
  .site-header.scrolled .logo-txt strong { font-size: 19px; }
  .site-header.scrolled .tel-box { padding-left: 12px; }
  .site-header.scrolled .tel-box a { font-size: 20px; }
  .site-header.scrolled .wechat-btn { padding: 7px 14px; }
  .site-header.scrolled .nav .container { height: 46px; }
  .site-header.scrolled .nav-quote { height: 32px; padding: 0 16px; font-size: 13px; }
}
.head .container { display: flex; align-items: center; justify-content: space-between; height: 96px; gap: 24px; }

.logo { display: flex; align-items: center; gap: 14px; flex: none; }
.logo-mark {
  width: 54px; height: 54px; flex: none;
  filter: drop-shadow(0 6px 16px rgba(1, 92, 181, .30));
}
.logo-mark svg { width: 100%; height: 100%; display: block; }
.logo-txt strong { display: block; font-size: 25px; line-height: 1.25; color: var(--navy); letter-spacing: 1.5px; white-space: nowrap; }
.logo-txt strong b { color: var(--blue); font-weight: inherit; }
.logo-txt span { display: block; font-size: 10px; color: var(--gray-l); letter-spacing: 1.9px; text-transform: uppercase; white-space: nowrap; }
.logo-txt .logo-bar { display: block; width: 26px; height: 2.5px; border-radius: 2px; background: linear-gradient(90deg, var(--gold), rgba(247, 196, 51, 0)); margin-top: 5px; }

.head-slogan { flex: 1; padding-left: 28px; border-left: 1px solid var(--line); }
.head-slogan b { display: block; font-size: 19px; color: var(--blue); letter-spacing: .5px; }
.head-slogan b em { color: var(--gold-d); }
.head-slogan p { font-size: 13px; color: var(--gray-l); letter-spacing: 2px; margin-top: 2px; }

.head-contact { display: flex; align-items: center; gap: 14px; flex: none; }
.wechat-btn {
  position: relative; display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; border: 1px solid var(--line); border-radius: 4px;
  font-size: 14px; color: var(--ink); background: #fff; cursor: pointer;
}
.wechat-btn:hover { border-color: #37b34a; color: #2b9c3c; }
.wechat-btn svg { width: 22px; height: 22px; color: #37b34a; }
.wechat-qr {
  position: absolute; top: calc(100% + 12px); right: 0; width: 168px;
  background: #fff; border-radius: 8px; box-shadow: var(--shadow-m);
  padding: 12px; text-align: center; opacity: 0; visibility: hidden;
  transform: translateY(-8px); transition: all .28s var(--ease); z-index: 20;
}
.wechat-btn:hover .wechat-qr, .wechat-qr.on { opacity: 1; visibility: visible; transform: none; }
.wechat-qr img, .wechat-qr .qr-ph { width: 144px; height: 144px; margin: 0 auto 6px; background: #f2f6fa; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--gray-l); }
.wechat-qr p { font-size: 12px; color: var(--gray); }

.tel-box { text-align: right; padding-left: 16px; }
.tel-box span { display: block; font-size: 12px; color: var(--gray-l); letter-spacing: 1px; }
.tel-box a {
  font: 700 27px/1.15 Arial, "PingFang SC", sans-serif; color: var(--gold-d);
  letter-spacing: -.5px; white-space: nowrap;
}
.tel-box a:hover { color: var(--blue); }

/* ---------- 导航 ---------- */
.nav { background: var(--blue); position: relative; }
.nav .container { display: flex; align-items: center; height: 56px; }
.nav-list { display: flex; height: 100%; flex: 1; }
.nav-list > li { position: relative; height: 100%; flex: 1 1 0; min-width: 0; }
.nav-list > li > a {
  display: flex; align-items: center; justify-content: center; height: 100%; padding: 0 8px;
  color: #fff; font-size: 16.5px; letter-spacing: 1px; font-weight: 500;
}
.nav-list > li > a:hover, .nav-list > li.active > a { background: var(--blue-d); }
.nav-list > li.active > a { box-shadow: inset 0 -3px 0 var(--gold); }
.nav-quote { margin-left: auto; height: 38px; padding: 0 22px; font-size: 14px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; margin-left: auto; background: none;
  border: 0; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  position: absolute; left: 10px; width: 24px; height: 2px; background: #fff;
  content: ""; transition: all .3s;
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { left: 0; top: -8px; }
.nav-toggle span::after { left: 0; top: 8px; }
.nav-toggle.on span { background: transparent; }
.nav-toggle.on span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.on span::after { transform: rotate(-45deg); top: 0; }

/* ============================================================
   全屏 Banner
   ============================================================ */
.hero {
  position: relative; height: 100vh; min-height: 660px; max-height: 1000px;
  overflow: hidden; background: var(--navy); margin-top: var(--header-h);
}
.hero-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity 1s ease, visibility 1s;
}
.hero-slide.on { opacity: 1; visibility: visible; }
.hero-slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(1, 29, 56, .93) 0%, rgba(1, 43, 82, .82) 42%, rgba(1, 60, 110, .45) 100%);
  z-index: 1;
}
.hero-slide .bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.04); }
.hero-slide.on .bg { animation: heroZoom 9s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1.04); } to { transform: scale(1.14); } }
.hero-slide.grad-1::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(900px 500px at 78% 18%, rgba(10, 127, 217, .55), transparent 62%),
    radial-gradient(700px 480px at 8% 82%, rgba(247, 196, 51, .16), transparent 60%),
    linear-gradient(150deg, #01203c 0%, #013a6b 52%, #015cb5 100%);
}
/* 实景照片幻灯片：更透的遮罩，让照片透出来 */
.hero-slide.photo::before {
  background: linear-gradient(100deg, rgba(1, 29, 56, .88) 0%, rgba(1, 43, 82, .58) 45%, rgba(1, 60, 110, .28) 100%);
}
.hero-mesh {
  position: absolute; inset: 0; z-index: 1; opacity: .35;
  background-image: linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
}

.hero .container { position: relative; z-index: 3; height: 100%; display: flex; align-items: center; }
.hero-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: center; width: 100%; }
.hero-txt { color: #fff; max-width: 720px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 14px;
  letter-spacing: 3px; color: var(--gold); margin-bottom: 22px;
}
.hero-eyebrow::before { content: ""; width: 42px; height: 2px; background: var(--gold); }
.hero-txt h1 {
  font-size: clamp(32px, 3.6vw, 52px); line-height: 1.24; font-weight: 800;
  letter-spacing: 1px; margin-bottom: 22px; text-shadow: 0 4px 26px rgba(0, 0, 0, .28);
}
.hero-txt h1 .h1-l1 { white-space: nowrap; }
.hero-txt h1 em { color: var(--gold); }
.hero-txt .lead { font-size: clamp(15px, 1.35vw, 18px); color: rgba(255, 255, 255, .86); max-width: 620px; margin-bottom: 30px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px 12px; margin-bottom: 34px; }
.hero-tags li {
  display: flex; align-items: center; gap: 7px; padding: 7px 14px; font-size: 13.5px;
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 40px;
  background: rgba(255, 255, 255, .07); backdrop-filter: blur(4px);
}
.hero-tags svg { width: 15px; height: 15px; color: var(--gold); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-cta .hint { font-size: 13px; color: rgba(255, 255, 255, .6); margin-left: 6px; }

/* 首屏询价卡 */
.quote-card {
  background: rgba(255, 255, 255, .97); border-radius: 12px; padding: 30px 28px 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .32); border-top: 4px solid var(--gold);
}
.quote-card h2 { font-size: 21px; color: var(--navy); margin-bottom: 4px; }
.quote-card .sub { font-size: 13px; color: var(--gray-l); margin-bottom: 18px; }
.quote-card .field { margin-bottom: 12px; }
.quote-card input, .quote-card select {
  width: 100%; height: 46px; padding: 0 14px; border: 1px solid var(--line);
  border-radius: 4px; background: #fbfdff; color: var(--ink); outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.quote-card input:focus, .quote-card select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(1, 92, 181, .1); }
.quote-card .btn { width: 100%; height: 48px; margin-top: 6px; }
.quote-card .tip { font-size: 12px; color: var(--gray-l); text-align: center; margin-top: 10px; }
.quote-card .tip b { color: #37b34a; }

.hero-dots {
  position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
}
.hero-dots button {
  width: 34px; height: 5px; border: 0; border-radius: 3px;
  background: rgba(255, 255, 255, .35); cursor: pointer; transition: all .3s;
}
.hero-dots button.on { background: var(--gold); width: 52px; }
.hero-scroll {
  position: absolute; right: 4%; bottom: 36px; z-index: 5; color: rgba(255, 255, 255, .55);
  font-size: 11px; letter-spacing: 3px; writing-mode: vertical-rl;
}
.hero-scroll::after { content: ""; display: block; width: 1px; height: 34px; background: rgba(255, 255, 255, .35); margin: 10px auto 0; }

/* ============================================================
   快捷业务入口
   ============================================================ */
.quickbar { background: #fff; border-bottom: 1px solid var(--line); }
.quickbar .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.quick-item {
  display: flex; align-items: center; gap: 14px; padding: 26px 20px;
  border-right: 1px solid var(--line); position: relative;
}
.quick-item:first-child { border-left: 1px solid var(--line); }
.quick-item::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: var(--gold); transform: scaleX(0); transition: transform .3s;
}
.quick-item:hover::after { transform: scaleX(1); }
.quick-item .ico {
  width: 46px; height: 46px; border-radius: 10px; flex: none;
  background: #eef5fc; color: var(--blue); display: flex; align-items: center; justify-content: center;
}
.quick-item:hover .ico { background: var(--blue); color: #fff; }
.quick-item .ico svg { width: 24px; height: 24px; }
.quick-item h3 { font-size: 16px; color: var(--navy); }
.quick-item p { font-size: 12.5px; color: var(--gray-l); }
.quick-item .arrow { margin-left: auto; color: #c8d4e0; font-size: 18px; }

/* ============================================================
   板块通用
   ============================================================ */
.section { padding: clamp(56px, 7vw, 96px) 0; }
.section.gray { background: var(--bg); }
.section.dark { background: var(--navy); color: #fff; }
.sec-head { margin-bottom: clamp(34px, 4vw, 54px); }
.sec-head.center { text-align: center; }
.sec-head .label {
  display: inline-block; font-size: 13px; letter-spacing: 3px; color: var(--gold-d);
  text-transform: uppercase; margin-bottom: 10px; font-weight: 700;
}
.sec-head h2 {
  font-size: clamp(25px, 2.6vw, 36px); color: var(--navy); line-height: 1.35;
  letter-spacing: .5px; font-weight: 800;
}
.sec-head h2 em { color: var(--blue); font-style: normal; }
.sec-head p { margin-top: 12px; color: var(--gray); font-size: 15px; max-width: 760px; }
.sec-head.center p { margin-left: auto; margin-right: auto; }
.section.dark .sec-head h2 { color: #fff; }
.section.dark .sec-head p { color: rgba(255, 255, 255, .68); }
.sec-head.center .rule { width: 48px; height: 3px; background: var(--gold); margin: 16px auto 0; }

/* ============================================================
   产品中心
   ============================================================ */
.pro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pro-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .35s var(--ease); display: flex; flex-direction: column;
}
.pro-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: transparent; }
.pro-media {
  position: relative; height: 200px; overflow: hidden;
  background: linear-gradient(145deg, #e9f2fb, #d6e7f7);
  display: flex; align-items: center; justify-content: center;
}
.pro-media img { width: 100%; height: 100%; object-fit: cover; }
.pro-media .ph { color: var(--blue); opacity: .85; }
.pro-media .ph svg { width: 78px; height: 78px; }
.pro-card:hover .pro-media .ph { transform: scale(1.08); }
.pro-media .ph { transition: transform .4s; }
.pro-num {
  position: absolute; top: 14px; left: 14px; font: 700 13px/1 Arial; color: #fff;
  background: rgba(1, 43, 82, .68); padding: 6px 9px; border-radius: 3px; letter-spacing: 1px;
}
.pro-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.pro-body h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.pro-body h3 a:hover { color: var(--blue); }
.pro-body p { font-size: 13.5px; color: var(--gray); line-height: 1.8; flex: 1; }
.pro-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 16px; }
.pro-tags span {
  font-size: 12px; color: var(--blue); background: #eef5fc;
  padding: 3px 9px; border-radius: 3px;
}
.pro-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px dashed var(--line); }
.pro-foot .more { font-size: 13.5px; color: var(--gray); }
.pro-foot .more:hover { color: var(--blue); }
.pro-foot .ask { font-size: 13.5px; font-weight: 700; color: var(--blue); display: inline-flex; align-items: center; gap: 5px; }
.pro-foot .ask:hover { color: var(--gold-d); }

/* ============================================================
   服务保障（深色）
   ============================================================ */
.guar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.guar-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius); padding: 30px 26px; transition: all .35s var(--ease);
}
.guar-card:hover { background: rgba(255, 255, 255, .09); transform: translateY(-4px); border-color: rgba(247, 196, 51, .5); }
.guar-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.guar-top .ico { width: 44px; height: 44px; border-radius: 50%; background: rgba(247, 196, 51, .14); color: var(--gold); display: flex; align-items: center; justify-content: center; flex: none; }
.guar-top .ico svg { width: 23px; height: 23px; }
.guar-card h3 { font-size: 18px; color: #fff; }
.guar-card p { font-size: 13.5px; color: rgba(255, 255, 255, .62); line-height: 1.85; }
.guar-cta {
  margin-top: 44px; display: flex; align-items: center; justify-content: center;
  gap: 22px; flex-wrap: wrap; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, .1);
}
.guar-cta p { color: rgba(255, 255, 255, .78); font-size: 16px; }
.guar-cta .num { font: 700 30px/1 Arial; color: var(--gold); }
.guar-cta .num:hover { color: #fff; }

/* ============================================================
   适用场景
   ============================================================ */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scene-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.scene-card::before {
  content: ""; position: absolute; inset: auto auto -40px -40px; width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(1, 92, 181, .1), transparent 70%); border-radius: 50%;
}
.scene-card:hover { border-color: var(--blue); box-shadow: var(--shadow-s); transform: translateY(-4px); }
.scene-card .ico { color: var(--blue); margin-bottom: 14px; }
.scene-card .ico svg { width: 32px; height: 32px; }
.scene-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 6px; }
.scene-card p { font-size: 13px; color: var(--gray); line-height: 1.8; }

/* ============================================================
   工程案例
   ============================================================ */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.case-card {
  position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3;
  background: #dfe9f3;
}
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case-card:hover img { transform: scale(1.08); }
.case-card .mask {
  position: absolute; inset: 0; padding: 18px; display: flex; flex-direction: column;
  justify-content: flex-end; color: #fff;
  background: linear-gradient(transparent 32%, rgba(1, 29, 56, .88) 100%);
  opacity: .92; transition: opacity .3s;
}
.case-card .mask h3 { font-size: 15.5px; margin-bottom: 3px; }
.case-card .mask p { font-size: 12px; color: rgba(255, 255, 255, .7); }

/* ============================================================
   服务流程
   ============================================================ */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: f; }
.flow-card { text-align: center; position: relative; padding: 0 8px; }
.flow-card::after {
  content: ""; position: absolute; top: 34px; right: -12px; width: 24px; height: 2px;
  background: var(--line);
}
.flow-card:last-child::after { display: none; }
.flow-num {
  width: 68px; height: 68px; margin: 0 auto 18px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font: 700 22px/1 Arial; position: relative; transition: all .3s;
}
.flow-card:hover .flow-num { background: var(--blue); border-color: var(--blue); color: #fff; transform: translateY(-4px); }
.flow-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 6px; }
.flow-card p { font-size: 13px; color: var(--gray); }

/* ============================================================
   关于我们
   ============================================================ */
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(30px, 5vw, 64px); align-items: center; }
.about-media { position: relative; }
.about-media .main { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-m); }
.about-media .main img { width: 100%; height: 440px; object-fit: cover; }
.about-badge {
  position: absolute; right: -14px; bottom: 28px; background: var(--gold); color: #17324f;
  border-radius: 8px; padding: 18px 22px; text-align: center; box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
}
.about-badge b { display: block; font: 800 30px/1.1 Arial; }
.about-badge span { font-size: 12px; letter-spacing: 1px; }
.about-txt .sec-head { margin-bottom: 20px; }
.about-txt p { color: var(--gray); margin-bottom: 14px; text-align: justify; }
.about-txt strong { color: var(--navy); }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0 30px; }
.about-stats div { border-left: 3px solid var(--gold); padding-left: 14px; }
.about-stats b { font: 800 28px/1.2 Arial; color: var(--blue); }
.about-stats span { display: block; font-size: 12.5px; color: var(--gray-l); }

/* ============================================================
   新闻
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column; transition: all .3s var(--ease);
}
.news-card:hover { box-shadow: var(--shadow-m); transform: translateY(-5px); border-color: transparent; }
.news-date { display: flex; align-items: baseline; gap: 8px; color: var(--gray-l); font-size: 12.5px; margin-bottom: 12px; }
.news-date b { font: 800 22px/1 Arial; color: var(--blue); }
.news-date em { letter-spacing: 1px; }
.news-card h3 { font-size: 17.5px; color: var(--navy); line-height: 1.55; margin-bottom: 10px; }
.news-card h3 a:hover { color: var(--blue); }
.news-card p { font-size: 13.5px; color: var(--gray); flex: 1; }
.news-card .more { margin-top: 16px; font-size: 13px; color: var(--blue); font-weight: 600; }
.news-card .more:hover { color: var(--gold-d); }
.news-all { text-align: center; margin-top: 40px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.faq-aside h2 { font-size: clamp(24px, 2.3vw, 32px); color: #fff; line-height: 1.4; margin-bottom: 14px; }
.faq-aside h2 em { color: var(--gold); font-style: normal; }
.faq-aside p { color: rgba(255, 255, 255, .66); font-size: 14.5px; margin-bottom: 24px; }
.faq-aside .btn { width: 100%; max-width: 260px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); overflow: hidden; }
.faq-item.open { background: rgba(255, 255, 255, .09); border-color: rgba(247, 196, 51, .45); }
.faq-q {
  width: 100%; background: none; border: 0; text-align: left; color: #fff;
  font-size: 16px; font-weight: 600; padding: 18px 22px; display: flex;
  align-items: center; justify-content: space-between; gap: 16px; cursor: pointer;
}
.faq-q .plus { position: relative; width: 18px; height: 18px; flex: none; }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; background: var(--gold); border-radius: 2px; transition: transform .3s;
}
.faq-q .plus::before { left: 0; top: 8px; width: 18px; height: 2px; }
.faq-q .plus::after { left: 8px; top: 0; width: 2px; height: 18px; }
.faq-item.open .faq-q .plus::after { transform: rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a p { padding: 0 22px 20px; color: rgba(255, 255, 255, .7); font-size: 14px; line-height: 1.9; }
.faq-item.open .faq-a { max-height: 400px; }

/* ============================================================
   报价转化区
   ============================================================ */
.cta-section { background: linear-gradient(115deg, #013a6b 0%, #015cb5 62%, #0a7fd9 100%); position: relative; overflow: hidden; }
.cta-section::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 400px at 88% 12%, rgba(247, 196, 51, .18), transparent 62%);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.cta-txt { color: #fff; }
.cta-txt .label { color: var(--gold); letter-spacing: 3px; font-size: 13px; font-weight: 700; }
.cta-txt h2 { font-size: clamp(26px, 3vw, 40px); line-height: 1.3; margin: 12px 0 16px; font-weight: 800; }
.cta-txt h2 em { color: var(--gold); font-style: normal; }
.cta-txt p { color: rgba(255, 255, 255, .78); margin-bottom: 28px; max-width: 560px; }
.cta-contacts { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.cta-tel { display: flex; align-items: center; gap: 14px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); border-radius: 8px; padding: 12px 20px; }
.cta-tel .ico { width: 42px; height: 42px; border-radius: 50%; background: var(--gold); color: #17324f; display: flex; align-items: center; justify-content: center; flex: none; }
.cta-tel .ico svg { width: 21px; height: 21px; }
.cta-tel span { display: block; font-size: 12px; color: rgba(255, 255, 255, .7); }
.cta-tel a { font: 800 25px/1.2 Arial; color: #fff; }
.cta-qr { background: #fff; border-radius: 10px; padding: 16px; text-align: center; }
.cta-qr .qr-ph, .cta-qr img { width: 120px; height: 120px; margin: 0 auto 6px; background: #f2f6fa; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--gray-l); }
.cta-qr p { font-size: 12.5px; color: var(--gray); }

.form-card { background: #fff; border-radius: 12px; padding: 32px 30px; box-shadow: 0 24px 60px rgba(0, 0, 0, .22); }
.form-card h3 { font-size: 20px; color: var(--navy); margin-bottom: 4px; }
.form-card .sub { font-size: 13px; color: var(--gray-l); margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-card .field { margin-bottom: 12px; }
.form-card label { display: block; font-size: 12.5px; color: var(--gray); margin-bottom: 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 4px; background: #fbfdff;
  padding: 11px 14px; color: var(--ink); outline: none; transition: all .25s;
}
.form-card textarea { height: 88px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(1, 92, 181, .1); }
.form-card .btn { width: 100%; margin-top: 4px; }
.form-card .note { font-size: 12px; color: var(--gray-l); text-align: center; margin-top: 10px; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer { background: var(--navy-d); color: #93aec9; font-size: 13.5px; padding-top: 64px; }
.f-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; }
.f-brand .logo-txt strong { color: #fff; }
.f-brand .logo-txt strong b { color: #4ea3e8; }
.f-brand .logo-mark { filter: none; }
.f-brand .logo-txt span { color: #6d88a4; }
.f-brand p { margin-top: 18px; line-height: 1.9; color: #8ba6c1; }
.f-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.f-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--gold); }
.f-col li { margin-bottom: 10px; }
.f-col a:hover { color: var(--gold); }
.f-contact li { display: flex; gap: 10px; margin-bottom: 12px; line-height: 1.7; }
.f-contact svg { width: 16px; height: 16px; margin-top: 4px; flex: none; color: var(--gold); }
.f-contact b { color: #fff; }
.f-qr { text-align: center; }
.f-qr .qr-ph, .f-qr img { width: 128px; height: 128px; margin: 0 auto 10px; background: #0a2744; border-radius: 6px; display: flex; align-items: center; justify-content: center; color: #4d6b8a; font-size: 12px; }
.f-qr p { font-size: 12.5px; }
.f-bottom { border-top: 1px solid rgba(255, 255, 255, .07); padding: 18px 0; }
.f-bottom .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; color: #6d88a4; }
.f-nav a { margin: 0 8px; color: #8ba6c1; }
.f-nav a:hover { color: var(--gold); }

/* ============================================================
   悬浮联系 / 移动底栏
   ============================================================ */
.float-rail {
  position: fixed; right: 18px; bottom: 96px; z-index: 850;
  display: flex; flex-direction: column; gap: 8px;
}
.float-rail .item {
  position: relative; width: 56px; height: 56px; border-radius: 8px; background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-s); color: var(--blue);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1px; font-size: 11px; cursor: pointer; transition: all .28s var(--ease);
}
.float-rail .item svg { width: 22px; height: 22px; }
.float-rail .item:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.float-rail .item.wx:hover { background: #37b34a; border-color: #37b34a; }
.float-rail .item.top { display: none; }
.float-rail .pop {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(8px);
  background: #fff; padding: 12px; border-radius: 8px; box-shadow: var(--shadow-m);
  opacity: 0; visibility: hidden; transition: all .28s; white-space: nowrap;
}
.float-rail .item:hover .pop { opacity: 1; visibility: visible; transform: translateY(-50%); }
.float-rail .pop img, .float-rail .pop .qr-ph { width: 130px; height: 130px; background: #f2f6fa; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--gray-l); border-radius: 4px; }

.mobile-bar { display: none; }

/* 二维码弹层 */
.qr-modal {
  position: fixed; inset: 0; z-index: 1000; background: rgba(1, 20, 38, .72);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: all .3s;
}
.qr-modal.on { opacity: 1; visibility: visible; }
.qr-modal .box { background: #fff; border-radius: 12px; padding: 26px; text-align: center; max-width: 320px; width: 100%; position: relative; }
.qr-modal .box h3 { font-size: 18px; color: var(--navy); margin-bottom: 4px; }
.qr-modal .box p { font-size: 13px; color: var(--gray); margin-bottom: 16px; }
.qr-modal .box .qr-ph, .qr-modal .box img { width: 220px; height: 220px; margin: 0 auto; background: #f2f6fa; display: flex; align-items: center; justify-content: center; border: 1px dashed #cfdae6; border-radius: 6px; color: var(--gray-l); font-size: 13px; }
.qr-modal .close { position: absolute; top: 10px; right: 14px; background: none; border: 0; font-size: 26px; color: #b6c3d1; cursor: pointer; line-height: 1; }
.qr-modal .box h3 { font-size: 19px; }
.wx-id-row {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 16px;
}
.wx-id {
  font: 700 20px/1.3 Arial, "PingFang SC", sans-serif; letter-spacing: 1px;
  color: var(--navy); background: #f2f6fa; border: 1px dashed #cfdae6;
  border-radius: 6px; padding: 8px 14px; user-select: all;
}
.copy-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 16px;
  background: var(--blue); color: #fff; border: 0; border-radius: 6px;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: all .25s;
}
.copy-btn svg { width: 16px; height: 16px; }
.copy-btn:hover { background: var(--blue-d); }
.copy-btn.copied { background: #2b9c3c; }
.modal-tip { font-size: 12.5px; color: var(--gray-l); margin-top: 12px; }

/* 报价/留言弹窗 */
.quote-modal {
  position: fixed; inset: 0; z-index: 1000; background: rgba(1, 20, 38, .72);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: all .3s;
}
.quote-modal.on { opacity: 1; visibility: visible; }
.quote-modal .box { background: #fff; border-radius: 12px; padding: 26px; max-width: 430px; width: 100%; position: relative; max-height: 92vh; overflow-y: auto; text-align: left; }
.quote-modal .close { position: absolute; top: 10px; right: 14px; background: none; border: 0; font-size: 26px; color: #b6c3d1; cursor: pointer; line-height: 1; z-index: 1; }
.quote-modal h3 { font-size: 19px; color: var(--navy); margin-bottom: 4px; }
.quote-modal .sub { font-size: 13px; color: var(--gray-l); margin-bottom: 18px; }
.quote-modal .q-ok { text-align: center; padding: 8px 0 4px; }
.q-ok-ico { width: 58px; height: 58px; margin: 0 auto 12px; border-radius: 50%; background: #e8f7ee; display: flex; align-items: center; justify-content: center; }
.q-ok-ico svg { width: 30px; height: 30px; }
.quote-modal .q-ok p { font-size: 14px; color: var(--gray); line-height: 1.8; margin-bottom: 18px; }
@media (max-width: 640px) {
  .quote-modal { padding: 12px; align-items: flex-end; }
  .quote-modal .box { padding: 22px 18px; }
}

/* 进场动画 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.vis { opacity: 1; transform: none; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1280px) {
  .head-slogan { display: none; }
  .hero-inner { grid-template-columns: 1fr; max-width: 780px; }
  .quote-card { display: none; }
  .f-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .f-qr { display: none; }
}
@media (max-width: 1080px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .guar-grid { grid-template-columns: repeat(2, 1fr); }
  .quickbar .container { grid-template-columns: repeat(2, 1fr); }
  .quick-item:nth-child(3), .quick-item:nth-child(4) { border-top: 1px solid var(--line); }
  .nav-quote { display: none; }
  .about-media .main img { height: 360px; }
}
@media (max-width: 900px) {
  :root { --header-h: 118px; }
  .head .container { height: 82px; }
  .logo-txt strong { font-size: 21px; }
  .tel-box a { font-size: 22px; }
  .wechat-btn span { display: none; }
  .wechat-btn { padding: 9px; }
  .nav-toggle { display: block; }
  .nav .container { height: 50px; justify-content: flex-end; }
  .nav-list {
    position: fixed; left: 0; right: 0; top: 168px; background: var(--blue);
    flex-direction: column; height: auto; max-height: 0; overflow: hidden;
    transition: max-height .4s var(--ease); box-shadow: 0 10px 24px rgba(0, 0, 0, .2); z-index: 999;
  }
  .site-header.scrolled .nav-list { top: 132px; }
  .nav-list.open { max-height: 480px; }
  .nav-list > li { flex: none; }
  .nav-list > li > a { height: 50px; padding: 0 20px; justify-content: flex-start; border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .nav-list > li.active > a { box-shadow: inset 3px 0 0 var(--gold); }
  .pro-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .flow-card::after { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .faq-wrap { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .hero { min-height: 560px; }
  .hero-txt h1 { font-size: clamp(23px, 6.4vw, 40px); }
  .hero-scroll { display: none; }
  .float-rail { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: repeat(3, 1fr); position: fixed; left: 0; right: 0; bottom: 0;
    z-index: 950; background: #fff; box-shadow: 0 -4px 20px rgba(1, 43, 82, .14);
    height: calc(56px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  }
  .mobile-bar a {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 14px; font-weight: 600; color: var(--navy); border-right: 1px solid var(--line);
  }
  .mobile-bar a svg { width: 19px; height: 19px; }
  .mobile-bar a.wx { color: #2b9c3c; }
  .mobile-bar a.gold { background: var(--gold); color: #17324f; border-right: 0; }
  body { padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
  .site-footer { padding-bottom: 0; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .topbar { display: none; }
  :root { --header-h: 80px; }
  .head .container { height: 76px; }
  .nav .container { height: 46px; }
  .nav-list { top: 122px; }
  .site-header.scrolled .nav-list { top: 122px; }
  .logo-mark { width: 44px; height: 44px; }
  .logo-txt strong { font-size: 18px; }
  .logo-txt span { font-size: 8.5px; letter-spacing: 1.2px; }
  .tel-box { display: none; }
  .section { padding: 44px 0; }
  .hero { min-height: 520px; height: 88vh; margin-top: 122px; }
  .hero-txt h1 { letter-spacing: 0; }
  .hero-eyebrow { font-size: 12.5px; letter-spacing: 1.5px; }
  .hero-eyebrow::before { width: 26px; }
  .hero-txt .lead { font-size: 14.5px; }
  .hero-cta .btn { flex: 1; min-width: 148px; padding: 0 18px; font-size: 14.5px; height: 48px; }
  .hero-tags li { font-size: 12px; padding: 5px 10px; }
  .quickbar .container { grid-template-columns: 1fr; }
  .quick-item { border-left: 1px solid var(--line); border-top: 1px solid var(--line); padding: 18px; }
  .quick-item:first-child { border-top: 0; }
  .pro-grid, .case-grid, .guar-grid, .scene-grid { grid-template-columns: 1fr; }
  /* 服务流程：两列紧凑排 */
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 14px 12px; }
  .flow-card { padding: 0 2px; }
  .flow-num { width: 40px; height: 40px; font-size: 15px; margin-bottom: 8px; }
  .flow-card h3 { font-size: 14.5px; margin-bottom: 4px; }
  .flow-card p { font-size: 12px; line-height: 1.65; }
  .form-row { grid-template-columns: 1fr; }
  /* 页脚：两列紧凑，砍掉冗余列 */
  .site-footer { padding-top: 36px; }
  .f-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; padding-bottom: 22px; }
  .f-brand { grid-column: 1 / -1; }
  .f-brand p { display: none; }
  .f-grid .f-col:nth-of-type(2) { display: none; } /* 产品服务列与导航重复，隐藏 */
  .f-col h4 { font-size: 15px; margin-bottom: 10px; padding-bottom: 8px; }
  .f-col li { margin-bottom: 7px; font-size: 13px; }
  .f-bottom { padding: 12px 0; }
  .f-bottom .f-nav { display: none; }
  .about-badge { right: 10px; bottom: 14px; padding: 12px 16px; }
  .about-badge b { font-size: 24px; }
  .about-media .main img { height: 260px; }
  .about-stats { gap: 10px; }
  .about-stats b { font-size: 22px; }
  .quote-card { padding: 22px; }
  .sec-head h2 { letter-spacing: 0; }
  .sec-head { margin-bottom: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   子页面（产品/案例/新闻/关于/联系）公共样式
   ============================================================ */
.page-hero {
  padding: 240px 0 56px;
  background:
    radial-gradient(900px 360px at 78% -30%, rgba(247, 196, 51, .14), transparent 60%),
    radial-gradient(1100px 460px at 12% -40%, rgba(1, 120, 220, .5), transparent 62%),
    linear-gradient(125deg, #011d38 0%, #013768 60%, #0a5f9e 100%);
  color: #fff;
}
.page-hero h1 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; letter-spacing: 1px; }
.page-hero h1 em { font-style: normal; color: var(--gold); font-size: .62em; font-weight: 700; margin-left: 14px; letter-spacing: 2px; }
.page-hero p { margin-top: 12px; color: rgba(255, 255, 255, .78); font-size: 15.5px; }
@media (max-width: 760px) { .page-hero { padding: 160px 0 40px; } }

.breadcrumb { padding: 16px 0 0; font-size: 13.5px; color: var(--gray); }
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--blue); font-weight: 600; }

.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip { padding: 8px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 14px; transition: all .2s; }
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }

.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
@media (max-width: 960px) { .detail-layout { grid-template-columns: 1fr; } }

.article { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 34px 36px; }
.article .cover { width: 100%; border-radius: 10px; margin: 4px 0 20px; }
.article h2 { font-size: 21px; margin: 26px 0 10px; color: var(--ink); }
.article h3 { font-size: 18px; margin: 20px 0 8px; color: var(--ink); }
.article p { margin: 0 0 14px; color: #3c4a5a; line-height: 1.9; font-size: 15.5px; }
.article ul, .article ol { margin: 0 0 14px 22px; color: #3c4a5a; line-height: 1.9; }
.article img { max-width: 100%; }
.article table { border-collapse: collapse; width: 100%; margin: 0 0 16px; }
.article td, .article th { border: 1px solid var(--line); padding: 8px 12px; font-size: 14.5px; }
.art-title { font-size: 26px !important; line-height: 1.4; color: var(--ink) !important; margin: 0 0 8px !important; }
.art-meta { font-size: 13.5px !important; color: var(--gray) !important; margin-bottom: 20px !important; }
.detail-cta { margin-top: 26px; padding: 20px 22px; border-radius: 12px; background: var(--bg); border: 1px dashed #c8d6e5; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.detail-cta p { margin: 0; flex: 1 1 100%; font-weight: 600; color: var(--ink); }
@media (max-width: 640px) { .article { padding: 22px 18px; } }

.detail-aside { display: grid; gap: 18px; position: sticky; top: 130px; }
.aside-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.aside-card h3 { font-size: 16px; color: var(--ink); margin-bottom: 12px; padding-left: 10px; border-left: 3px solid var(--blue); }
.aside-tel a { font-size: 22px; font-weight: 800; color: var(--blue); letter-spacing: .5px; }
.aside-note { font-size: 13px; color: var(--gray); margin: 6px 0 14px; line-height: 1.7; }
.aside-list li { border-top: 1px dashed var(--line); }
.aside-list li:first-child { border-top: 0; }
.aside-list a { display: block; padding: 10px 2px; font-size: 14px; color: #3c4a5a; line-height: 1.5; }
.aside-list a:hover { color: var(--blue); }

.alert-ok { background: #e8f7ee; border: 1px solid #b7e4c7; color: #177245; padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 16px; }

.pager { display: flex; gap: 8px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.pg { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); font-size: 14px; }
.pg:hover { border-color: var(--blue); color: var(--blue); }
.pg.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 700; }
.pg.nav-pg { padding: 0 14px; }
.pg.off { color: #b9c4d0; background: #f7f9fb; border-color: #e8eef4; cursor: default; }
.pg.off:hover { border-color: #e8eef4; color: #b9c4d0; }
.pg.dots { border: 0; background: none; color: #9aa8b6; min-width: 20px; }
.pager-meta { text-align: center; font-size: 13px; color: var(--gray); margin: 10px 0 0; }
@media (max-width: 640px) {
  .pager { gap: 6px; margin-top: 26px; }
  .pg { min-width: 34px; height: 34px; font-size: 13px; }
  .pg.nav-pg { padding: 0 10px; }
}

/* 极窄屏（<360px）：首行允许换行，避免溢出 */
@media (max-width: 359px) {
  .hero-txt h1 .h1-l1 { white-space: normal; }
}

/* ---------- 产品列表：每页 4 列 × 3 行 = 12 个（整页对齐） ---------- */
.pro-grid.cols4 { grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pro-grid.cols4 .pro-media { height: 188px; }
.pro-grid.cols4 .pro-body { padding: 18px 18px 20px; }
.pro-grid.cols4 .pro-body h3 { font-size: 17px; }
.pro-grid.cols4 .pro-body p { font-size: 13px; line-height: 1.72; }
.pro-grid.cols4 .pro-tags { margin: 12px 0 14px; }
@media (max-width: 1180px) { .pro-grid.cols4 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .pro-grid.cols4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pro-grid.cols4 { grid-template-columns: 1fr; gap: 18px; } }