@charset "UTF-8";
/* =========================================================
 * style.css — 辽宁北镁矿业 官网静态模板
 * 设计语言: 扁平化 + 风景化浅色底 + 慢镜头(Ken Burns)动态背景 + 视差/透视
 * 依赖: Bootstrap 5.3.3 / Font Awesome 6.5.1 / animate.css 4.1.1 / Swiper 11
 * 目录:
 *   01 变量与基础    02 通用组件(标题/按钮/卡片)   03 顶栏与导航
 *   04 首页首屏 Hero 05 首页整屏滚动(scroll-snap)  06 首页各版块
 *   07 内页横幅      08 内页通用(侧栏/富文本/分页) 09 产品
 *   10 企业风采/灯箱 11 新闻      12 表单/留言       13 联系与地图
 *   14 页脚          15 悬浮客服与移动端快捷条     16 动效与响应式
 * ========================================================= */

/* =========================================================
 * 01 变量与基础
 * ========================================================= */
:root {
  --c-primary: #176d96;
  --c-primary-d: #0d4f70;
  --c-primary-l: #d9ebf5;
  --c-accent: #e2a13a;
  --c-accent-d: #c2821f;
  --c-teal: #125f7f;
  --c-ink: #0e3046;
  --c-text: #405a6d;
  --c-muted: #758b9c;
  --c-line: #c3dce9;
  --c-bg: #ffffff;
  --c-soft: #e4f1f8;
  --c-footer: #072a3f;
  --c-footer-2: #041c2b;

  --radius-s: 10px;
  --radius: 16px;
  --radius-l: 24px;

  --shadow-s: 0 4px 14px rgba(12, 65, 91, .06);
  --shadow: 0 12px 34px rgba(12, 65, 91, .1);
  --shadow-l: 0 22px 60px rgba(12, 65, 91, .16);

  --header-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --bs-body-font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: #405a6d;
  --bs-border-color: #c3dce9;
}

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

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

body {
  margin: 0;
  color: var(--c-text);
  background: var(--c-bg);
  font-size: 1rem;
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 入场动画元素会从 ±100% 位移进场(左右滑入), 这里把主体与页脚在横向上裁掉,
   避免动画进行中产生文档级横向溢出(移动端 Safari 尤其敏感); clip 不产生滚动容器 */
main, .site-footer { overflow-x: clip; }

body.has-mbar { padding-bottom: 58px; }

h1, h2, h3, h4, h5, h6 { color: var(--c-ink); font-weight: 700; line-height: 1.35; margin: 0 0 .6rem; }
h1 { font-size: clamp(1.75rem, 3.4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.4vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
p { margin: 0 0 1rem; }
a { color: var(--c-primary); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--c-primary-d); }
img { max-width: 100%; height: auto; border: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
::selection { background: var(--c-primary); color: #fff; }
:focus-visible { outline: 3px solid rgba(23, 109, 150, .45); outline-offset: 2px; border-radius: 4px; }

.skip-link {
  position: fixed; left: 50%; top: -60px; z-index: 2000;
  transform: translateX(-50%);
  padding: .5rem 1.1rem; border-radius: 0 0 12px 12px;
  background: var(--c-primary); color: #fff; font-size: .9rem;
}
.skip-link:focus { top: 0; color: #fff; }

/* 容器内边距必须 ≥ Bootstrap 栅格行的负边距(g-lg-5 为 24px), 否则页面会横向溢出 */
.container { width: 100%; padding-inline: 18px; margin-inline: auto; }
@media (min-width: 992px) { .container { padding-inline: 28px; } }
@media (min-width: 1200px) { .container { max-width: 1200px; } }
@media (min-width: 1400px) { .container { max-width: 1280px; } }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #dcecf5; }
::-webkit-scrollbar-thumb { background: #82bdd8; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-primary); }

/* =========================================================
 * 02 通用组件
 * ========================================================= */
.section { position: relative; padding: 76px 0; }
.section.soft { background: var(--c-soft); }
.section.tight { padding: 54px 0; }
.section-photo {
  background-image: linear-gradient(rgba(232, 244, 251, .9), rgba(232, 244, 251, .93));
  background-size: cover;
  background-position: center;
}

.section-head { max-width: 780px; margin-bottom: 40px; }
.section-head.center { margin-inline: auto; text-align: center; }
.sh-en {
  display: block;
  margin-bottom: 6px;
  font-size: .82rem; font-weight: 700; letter-spacing: .28em; text-transform: uppercase;
  color: var(--c-primary); opacity: .85;
}
.sh-title { position: relative; margin-bottom: .55rem; font-size: clamp(1.5rem, 2.6vw, 2.15rem); }
.sh-line { display: flex; align-items: center; gap: 8px; margin: 14px 0 16px; }
.section-head.center .sh-line { justify-content: center; }
.sh-line::before { content: ""; width: 46px; height: 4px; border-radius: 2px; background: var(--c-primary); }
.sh-line i { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); }
.sh-line::after { content: ""; width: 14px; height: 4px; border-radius: 2px; background: #9ec9dd; }
.sh-desc { margin: 0; color: var(--c-muted); font-size: 1rem; }
.sh-white .sh-en, .sh-white .sh-title, .sh-white .sh-desc { color: #fff; }
.sh-white .sh-desc { color: rgba(255, 255, 255, .84); }
.sh-white .sh-line::before, .sh-white .sh-line::after { background: rgba(255, 255, 255, .88); }

.btn-main, .btn-ghost, .btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .78rem 1.7rem;
  border: 1px solid transparent; border-radius: 999px;
  font-size: .96rem; font-weight: 600; line-height: 1;
  transition: all .3s var(--ease);
}
.btn-main {
  color: #fff;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
  box-shadow: 0 10px 24px rgba(23, 109, 150, .28);
}
.btn-main:hover { color: #fff; transform: translateY(-3px); box-shadow: 0 16px 30px rgba(23, 109, 150, .34); }
.btn-ghost { color: var(--c-primary); background: rgba(255, 255, 255, .86); border-color: rgba(23, 109, 150, .3); }
.btn-ghost:hover { color: #fff; background: var(--c-primary); border-color: var(--c-primary); transform: translateY(-3px); }
.btn-line { color: #fff; border-color: rgba(255, 255, 255, .7); }
.btn-line:hover { color: var(--c-primary); background: #fff; }
.btn-main i, .btn-ghost i, .btn-line i { transition: transform .3s var(--ease); }
.btn-main:hover i, .btn-ghost:hover i, .btn-line:hover i { transform: translateX(4px); }

.badge-soft {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .32rem .85rem; border-radius: 999px;
  background: var(--c-primary-l); color: var(--c-primary);
  font-size: .84rem; font-weight: 600;
}
.badge-accent { background: rgba(240, 161, 44, .14); color: var(--c-accent-d); }

.media-frame { position: relative; overflow: hidden; border-radius: var(--radius-l); box-shadow: var(--shadow); }
.media-frame img { display: block; width: 100%; transition: transform .8s var(--ease); }
.media-frame:hover img { transform: scale(1.06); }
.media-frame .mf-badge {
  position: absolute; left: 18px; bottom: 18px;
  display: flex; align-items: center; gap: .6rem;
  padding: .7rem 1.1rem; border-radius: 999px;
  background: rgba(255, 255, 255, .92); color: var(--c-ink);
  font-size: .88rem; font-weight: 600; box-shadow: var(--shadow-s);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.media-frame .mf-badge b { color: var(--c-primary); font-size: 1.1rem; }

.card-soft {
  height: 100%; padding: 28px 26px;
  border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-s);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card-soft:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: #9ec9dd; }
.card-icon {
  display: grid; place-items: center;
  width: 58px; height: 58px; margin-bottom: 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--c-primary-l), #c7e3f1);
  color: var(--c-primary); font-size: 1.5rem;
}

/* 图片懒加载: 未加载时浅色骨架, 进入视口后淡入(无 JS 时不隐藏, 保证可见) */
.img-ph { background: linear-gradient(120deg, #dcecf5, #c7dfed 45%, #dcecf5); }
.js img[data-src], .js img.img-ph { opacity: .001; transition: opacity .6s var(--ease); }
/* 注意: 下面这条的选择器要 >= 上一条的优先级, 否则图片淡入后会一直保持不可见 */
.js img.is-loaded { opacity: 1; }
img.is-loaded { opacity: 1; }
html.js-fail img[data-src], html.js-fail img.img-ph { opacity: 1; }

/* 滚动入场动画基础态(由 animate.css 驱动) */
.reveal { visibility: hidden; }
.reveal.in { visibility: visible; }

/* =========================================================
 * 03 顶栏与主导航
 * ========================================================= */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 1030; }
.topbar {
  background: linear-gradient(90deg, #0a3f5a 0%, #0d5577 55%, #176d96 100%);
  color: rgba(255, 255, 255, .92); font-size: .85rem;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 38px; gap: 1rem; }
.topbar-list { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.topbar-list li { display: flex; align-items: center; gap: .45rem; }
.topbar-list i { opacity: .8; }
.topbar-list a { color: rgba(255, 255, 255, .9); }
.topbar-list a:hover { color: #fff; text-decoration: underline; }
.topbar-tel {
  color: #fff; font-weight: 600; letter-spacing: .01em;
  padding-left: .9rem; border-left: 1px solid rgba(255, 255, 255, .32);
  transition: color .25s var(--ease);
}
.topbar-tel:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.topbar-tel i { opacity: .92; }
.lang-switch { display: flex; align-items: center; gap: .3rem; }
.lang-btn {
  padding: .1rem .5rem; border: 0; border-radius: 7px;
  background: transparent; color: rgba(255, 255, 255, .86);
  font-size: .84rem; cursor: pointer; transition: all .25s var(--ease);
}
.lang-btn:hover { color: #fff; }
.lang-btn.is-on { color: #fff; font-weight: 700; background: rgba(255, 255, 255, .18); }
.lang-sep { width: 1px; height: 12px; background: rgba(255, 255, 255, .42); }

.navbar-main {
  padding: .55rem 0;
  background: rgba(255, 255, 255, .93);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(227, 235, 242, .9);
  transition: padding .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.is-scrolled .navbar-main {
  padding: .3rem 0;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 8px 30px rgba(12, 65, 91, .1);
}
.navbar-brand { display: flex; align-items: center; gap: .65rem; padding: 0; }
.brand-mark { width: 46px; height: 46px; border-radius: 13px; box-shadow: var(--shadow-s); transition: transform .4s var(--ease); }
.navbar-brand:hover .brand-mark { transform: rotate(-6deg) scale(1.04); }
.brand-name {
  display: flex; flex-direction: column; line-height: 1.12;
  font-size: 1.26rem; font-weight: 800; color: var(--c-ink); letter-spacing: .01em;
}
.brand-name small {
  margin-top: 3px; font-size: .6rem; font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--c-muted);
}
.navbar-nav { align-items: center; }
.navbar-nav .nav-link {
  position: relative; padding: .8rem 1.05rem;
  color: var(--c-ink); font-size: 1rem; font-weight: 600;
}
.navbar-nav .nav-link::after {
  content: ""; position: absolute; left: 1.05rem; right: 1.05rem; bottom: .34rem;
  height: 2px; border-radius: 2px; background: var(--c-primary);
  transform: scaleX(0); transform-origin: left; transition: transform .32s var(--ease);
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active { color: var(--c-primary); }
.navbar-nav .nav-link:hover::after, .navbar-nav .nav-link.active::after { transform: scaleX(1); }
.navbar-nav .dropdown-toggle::after { margin-left: .35rem; vertical-align: .14em; }
.dropdown-menu {
  min-width: 236px; padding: .55rem;
  border: 0; border-radius: var(--radius);
  box-shadow: var(--shadow); background: #fff;
}
.dropdown-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .58rem .8rem; border-radius: 10px;
  color: var(--c-text); font-size: .95rem;
  transition: all .25s var(--ease);
}
.dropdown-item i { width: 18px; text-align: center; color: var(--c-primary); opacity: .85; }
.dropdown-item:hover, .dropdown-item.active { background: var(--c-primary-l); color: var(--c-primary); }
.nav-tools { display: flex; align-items: center; gap: .5rem; margin-left: .4rem; }
.nav-search-btn, .nav-tool-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: var(--c-primary-l); color: var(--c-primary); font-size: 1rem; cursor: pointer;
  transition: all .28s var(--ease);
}
.nav-search-btn:hover, .nav-tool-btn:hover { background: var(--c-primary); color: #fff; }
.navbar-toggler {
  display: grid; place-items: center;
  width: 46px; height: 46px; padding: 0;
  border: 0; border-radius: 12px;
  background: var(--c-primary-l); color: var(--c-primary); font-size: 1.3rem;
}
.navbar-toggler:focus { box-shadow: none; }
.lang-switch.dark .lang-btn { color: var(--c-muted); }
.lang-switch.dark .lang-btn.is-on { color: var(--c-primary); background: var(--c-primary-l); }
.lang-switch.dark .lang-sep { background: var(--c-line); }

@media (min-width: 1200px) {
  .navbar-nav > .nav-item { position: relative; }
  .navbar-nav > .nav-item > .dropdown-menu {
    display: block; opacity: 0; visibility: hidden;
    transform: translateY(14px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  }
  .navbar-nav > .nav-item:hover > .dropdown-menu,
  .navbar-nav > .nav-item:focus-within > .dropdown-menu {
    opacity: 1; visibility: visible; transform: translateY(6px);
  }
}

@media (max-width: 1199.98px) {
  .navbar-collapse {
    max-height: calc(100vh - 120px); overflow-y: auto;
    margin-top: .7rem; padding: .55rem .75rem 1rem;
    border-radius: var(--radius); background: #fff; box-shadow: var(--shadow);
  }
  .navbar-nav .nav-link { padding: .7rem .25rem; border-bottom: 1px dashed var(--c-line); border-radius: 0; }
  .navbar-nav .nav-link::after { display: none; }
  .navbar-nav .nav-item:last-child .nav-link { border-bottom: 0; }
  .dropdown-menu {
    padding: .35rem .5rem; box-shadow: none;
    background: var(--c-soft); border-radius: 12px;
  }
  .dropdown-item { font-size: .92rem; padding: .5rem .6rem; }
  .nav-tools { justify-content: space-between; margin: .8rem 0 0; padding-top: .8rem; border-top: 1px solid var(--c-line); }
  .nav-tools .nav-search-btn { width: auto; padding: 0 1rem; gap: .45rem; border-radius: 999px; font-size: .92rem; }
}

/* =========================================================
 * 04 首页首屏 Hero(双屏轮播 + 慢镜头 + 玻璃卡 + 透视)
 * ========================================================= */
.hero {
  position: relative; height: 100vh; min-height: 620px; max-height: 1040px;
  overflow: hidden; background: var(--c-soft);
}
.hero-swiper, .hero-swiper .swiper-wrapper, .hero-slide { height: 100%; }
.hero-slide { position: relative; overflow: hidden; }
.hero-media {
  position: absolute; inset: -7%;
  background-size: cover; background-position: center;
  will-change: transform;
  animation: kbZoom 28s ease-in-out infinite alternate;
}
.hero-media.photo { animation-duration: 34s; }
/* 第 2 屏背景反向漂移, 两屏切换时形成"左右相反"的镜头感 */
.hero-slide:nth-child(2) .hero-media { animation-name: kbZoomAlt; }
.hero-veil {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(100deg, rgba(232, 244, 251, .58) 0%, rgba(232, 244, 251, .38) 34%, rgba(232, 244, 251, .12) 60%, rgba(232, 244, 251, 0) 86%),
    linear-gradient(180deg, rgba(232, 244, 251, .28) 0%, rgba(232, 244, 251, 0) 36%, rgba(228, 241, 248, .9) 100%);
}
.hero-particles { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.hero-particles span {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, rgba(255, 255, 255, .95), rgba(23, 109, 150, .35));
  animation: floatSlow 12s ease-in-out infinite;
}
.hero-particles span:nth-child(1) { left: 12%; top: 26%; animation-name: floatSlow; animation-delay: 0s; }
.hero-particles span:nth-child(2) { left: 30%; top: 68%; width: 16px; height: 16px; animation-name: floatXY; animation-duration: 16s; animation-delay: 1.6s; }
.hero-particles span:nth-child(3) { left: 46%; top: 18%; width: 7px; height: 7px; animation-name: floatSlow; animation-duration: 10s; animation-delay: 3.1s; }
.hero-particles span:nth-child(4) { left: 62%; top: 74%; animation-name: floatX; animation-duration: 12s; animation-delay: 4.4s; }
.hero-particles span:nth-child(5) { left: 78%; top: 32%; width: 14px; height: 14px; animation-name: floatXY; animation-duration: 19s; animation-delay: 2.2s; }
.hero-particles span:nth-child(6) { left: 90%; top: 58%; width: 8px; height: 8px; animation-name: floatX; animation-duration: 13s; animation-delay: 5.2s; }

.hero-inner {
  position: relative; z-index: 4; height: 100%;
  display: flex; align-items: center;
  padding-top: calc(var(--header-h) + 14px); padding-bottom: 76px;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); gap: 46px; align-items: center; width: 100%; }
.hero-card {
  padding: 38px 38px 32px;
  border: 1px solid rgba(255, 255, 255, .9); border-radius: var(--radius-l);
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--shadow-l);
  -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2);
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .35rem 1rem; border-radius: 999px;
  background: rgba(23, 109, 150, .1); color: var(--c-primary);
  font-size: .85rem; font-weight: 700; letter-spacing: .04em;
}
.hero-title { margin: 1rem 0 .7rem; font-size: clamp(1.85rem, 3.6vw, 3.05rem); line-height: 1.22; }
.hero-title em { font-style: normal; position: relative; color: var(--c-primary); }
.hero-title em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .05em; height: .3em;
  border-radius: 4px; background: rgba(240, 161, 44, .3); z-index: -1;
}
.hero-sub { max-width: 34em; margin-bottom: 1.6rem; color: #3d5669; font-size: clamp(.96rem, 1.05vw, 1.06rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-metrics {
  display: flex; flex-wrap: wrap; gap: 1rem 2.4rem;
  margin-top: 1.7rem; padding-top: 1.3rem; border-top: 1px dashed #9ec9dd;
}
.hero-metrics .hm-num { display: block; font-size: 1.6rem; font-weight: 800; color: var(--c-primary); line-height: 1.2; }
.hero-metrics .hm-num small { font-size: .8rem; font-weight: 700; }
.hero-metrics .hm-label { font-size: .84rem; color: var(--c-muted); }

.hero-visual { position: relative; perspective: 1200px; }
.hero-shot {
  position: relative; overflow: hidden;
  border-radius: var(--radius-l); background: #fff; box-shadow: var(--shadow-l);
  transform-style: preserve-3d;
  transition: transform .5s var(--ease);
}
.hero-shot img { display: block; width: 100%; }
.hero-shot .hs-cap {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  padding: 1.1rem 1.2rem;
  background: linear-gradient(180deg, rgba(8, 40, 60, 0), rgba(8, 40, 60, .8));
  color: #fff; font-size: .95rem; font-weight: 600;
}
.hero-shot .hs-cap i { color: var(--c-accent); }
.hero-badge {
  position: absolute; right: -12px; top: -20px; z-index: 3;
  display: grid; place-items: center;
  width: 106px; height: 106px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), #e0811c);
  color: #fff; text-align: center; line-height: 1.15;
  box-shadow: 0 14px 30px rgba(224, 129, 28, .35);
  animation: floatSlow 7s ease-in-out infinite;
}
.hero-badge b { display: block; font-size: 1.5rem; font-weight: 800; }
.hero-badge span { font-size: .74rem; }
.hero-panel {
  margin-top: 16px; padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, .9); border-radius: var(--radius);
  background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
.hero-panel li { display: flex; gap: .7rem; padding: .5rem 0; font-size: .93rem; }
.hero-panel li + li { border-top: 1px dashed var(--c-line); }
.hero-panel i { margin-top: .5rem; color: var(--c-primary); }

.hero-nav {
  position: absolute; top: 50%; z-index: 6;
  display: grid; place-items: center;
  width: 54px; height: 54px; margin-top: -27px;
  border: 1px solid rgba(255, 255, 255, .85); border-radius: 50%;
  background: rgba(255, 255, 255, .72); color: var(--c-primary); font-size: 1.1rem;
  cursor: pointer; transition: all .3s var(--ease);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.hero-nav:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.hero-nav.swiper-button-disabled { opacity: .35; cursor: not-allowed; }
.hero-prev { left: 26px; }
.hero-next { right: 26px; }
.hero-pagination {
  position: absolute; left: 50%; bottom: 30px; z-index: 6;
  display: flex; align-items: center; gap: .5rem; transform: translateX(-50%);
}
.swiper-pagination-bullet {
  width: 28px; height: 5px; margin: 0 !important; border-radius: 3px;
  background: rgba(23, 109, 150, .3); opacity: 1;
  transition: width .3s var(--ease), background .3s var(--ease);
}
.swiper-pagination-bullet-active { width: 52px; background: var(--c-primary); }
.hero-scroll {
  position: absolute; right: 44px; bottom: 30px; z-index: 6;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: var(--c-muted); font-size: .7rem; letter-spacing: .22em; cursor: pointer;
}
.hero-scroll .hs-line { position: relative; width: 1px; height: 46px; background: rgba(23, 109, 150, .25); overflow: hidden; }
.hero-scroll .hs-line::after {
  content: ""; position: absolute; left: 0; top: -50%; width: 100%; height: 50%;
  background: var(--c-primary); animation: scrollLine 2.2s ease-in-out infinite;
}
.hero-scroll span { text-transform: uppercase; }

/* =========================================================
 * 05 首页整屏滚动(CSS scroll-snap, 桌面端启用)
 * ========================================================= */
html.fp-on { scroll-snap-type: y proximity; }
html.fp-on .fp-section { scroll-snap-align: start; min-height: 100vh; }
html.fp-on .hero, html.fp-on .fp-section.fp-fit { height: 100vh; }
html.fp-on .fp-section { display: flex; align-items: center; }
html.fp-on .fp-section > .container { width: 100%; }
html.fp-on .site-footer { scroll-snap-align: end; }

.fp-nav {
  position: fixed; left: 26px; right: auto; top: 50%; z-index: 900;
  display: flex; flex-direction: column; gap: 16px;
  transform: translateY(-50%);
}
.fp-nav .fp-dot {
  position: relative; width: 12px; height: 12px; padding: 0;
  border: 2px solid rgba(23, 109, 150, .5); border-radius: 50%;
  background: transparent; cursor: pointer; transition: all .3s var(--ease);
}
.fp-nav .fp-dot.active { background: var(--c-primary); border-color: var(--c-primary); transform: scale(1.18); }
.fp-nav .fp-dot span {
  position: absolute; left: 24px; right: auto; top: 50%;
  padding: .3rem .7rem; border-radius: 9px;
  background: rgba(10, 48, 72, .88); color: #fff; font-size: .78rem; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transform: translateY(-50%) translateX(-8px);
  transition: all .3s var(--ease);
}
.fp-nav .fp-dot:hover span { opacity: 1; transform: translateY(-50%) translateX(0); }

/* =========================================================
 * 06 首页各版块
 * ========================================================= */
.split-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: 56px; align-items: center; }
.split-grid.reverse > .split-media { order: 2; }

.about-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 22px; margin: 1.4rem 0 1.6rem; }
.about-points li { display: flex; gap: .7rem; align-items: flex-start; font-size: .96rem; }
.about-points i {
  display: grid; place-items: center; flex: 0 0 26px;
  width: 26px; height: 26px; margin-top: .28rem; border-radius: 8px;
  background: var(--c-primary-l); color: var(--c-primary); font-size: .8rem;
}
.about-metrics { display: flex; flex-wrap: wrap; gap: 1rem 2.2rem; margin-top: 1.4rem; }
.about-metrics .am-num { font-size: 1.55rem; font-weight: 800; color: var(--c-primary); }
.about-metrics .am-num small { font-size: .8rem; }
.about-metrics .am-label { display: block; font-size: .84rem; color: var(--c-muted); }

.history-strip { position: relative; margin-top: 54px; padding-top: 30px; }
.history-strip::before {
  content: ""; position: absolute; left: 12px; right: 12px; top: 40px;
  height: 2px; background: linear-gradient(90deg, rgba(23, 109, 150, .35), rgba(23, 109, 150, .08));
}
.history-items { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.history-items .hi { position: relative; padding-top: 22px; }
.history-items .hi::before {
  content: ""; position: absolute; left: 0; top: 0;
  width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%;
  background: var(--c-primary); box-shadow: 0 0 0 3px rgba(23, 109, 150, .18);
}
.history-items .hi b { display: block; font-size: 1.15rem; color: var(--c-primary); }
.history-items .hi p { margin: .2rem 0 0; font-size: .9rem; color: var(--c-muted); }

.stats-band { position: relative; overflow: hidden; }
.stats-band .sb-bg { position: absolute; inset: 0; background-size: cover; background-position: center; animation: kbZoom 40s ease-in-out infinite alternate; }
.stats-band .sb-veil { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(7, 43, 65, .86), rgba(16, 86, 116, .74) 55%, rgba(23, 109, 150, .54)); }
.stats-band .container { position: relative; z-index: 2; }
.stat-items { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.stat-item { color: #fff; text-align: center; padding: 12px 8px; border-right: 1px solid rgba(255, 255, 255, .18); }
.stat-item:last-child { border-right: 0; }
.stat-item .si-num { display: block; font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; line-height: 1.2; }
.stat-item .si-num small { font-size: .95rem; font-weight: 600; margin-left: 2px; }
.stat-item .si-label { font-size: .9rem; color: rgba(255, 255, 255, .82); }
.stat-item i { font-size: 1.4rem; color: rgba(255, 255, 255, .6); }

.product-swiper { padding-bottom: 58px; }
/* 产品中心列表: 每行 3 列(9 款产品正好 3 行) */
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.product-card {
  position: relative; height: 100%; overflow: hidden;
  border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff;
  box-shadow: var(--shadow-s);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-l); border-color: #9ec9dd; }
.pc-media { position: relative; overflow: hidden; background: var(--c-soft); }
.pc-media img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .8s var(--ease); }
.product-card:hover .pc-media img { transform: scale(1.08); }
.pc-cat {
  position: absolute; left: 14px; top: 14px;
  padding: .22rem .7rem; border-radius: 999px;
  background: rgba(255, 255, 255, .92); color: var(--c-primary);
  font-size: .76rem; font-weight: 700;
}
.pc-body { padding: 20px 20px 22px; }
.pc-name { margin-bottom: .4rem; font-size: 1.12rem; }
.pc-en { display: block; margin-bottom: .5rem; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--c-muted); }
.pc-desc { margin-bottom: 1rem; font-size: .92rem; color: var(--c-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pc-more { display: inline-flex; align-items: center; gap: .4rem; font-size: .9rem; font-weight: 600; }
.pc-more i { transition: transform .3s var(--ease); }
.product-card:hover .pc-more i { transform: translateX(4px); }

.filter-bar { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 30px; justify-content: center; }
.filter-btn {
  padding: .5rem 1.25rem; border: 1px solid var(--c-line); border-radius: 999px;
  background: #fff; color: var(--c-text); font-size: .92rem; font-weight: 600; cursor: pointer;
  transition: all .3s var(--ease);
}
.filter-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.filter-btn.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; box-shadow: 0 8px 20px rgba(23, 109, 150, .24); }

/* 企业宣传片 */
.video-band .vb-media {
  position: relative; overflow: hidden;
  border-radius: var(--radius-l); box-shadow: var(--shadow-l);
}
.video-band .vb-media img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.vb-play {
  position: absolute; left: 50%; top: 50%; z-index: 3;
  display: grid; place-items: center;
  width: 96px; height: 96px; margin: -48px 0 0 -48px;
  border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .94); color: var(--c-primary); font-size: 1.7rem;
  cursor: pointer; transition: all .35s var(--ease);
}
.vb-play::before, .vb-play::after {
  content: ""; position: absolute; inset: -6px;
  border: 2px solid rgba(255, 255, 255, .75); border-radius: 50%;
  animation: pulseRing 2.6s ease-out infinite;
}
.vb-play::after { animation-delay: 1.3s; }
.vb-play:hover { background: var(--c-primary); color: #fff; transform: scale(1.06); }
.vb-caption {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: 1.4rem 1.6rem;
  background: linear-gradient(180deg, rgba(8, 40, 60, 0), rgba(8, 40, 60, .78));
  color: #fff;
}
.vb-caption h3 { color: #fff; margin-bottom: .2rem; }
.vb-caption p { margin: 0; font-size: .9rem; color: rgba(255, 255, 255, .82); }
.video-points { display: grid; gap: 14px; margin: 1.5rem 0 1.8rem; }
.video-points li { display: flex; gap: .8rem; align-items: flex-start; }
.video-points i {
  display: grid; place-items: center; flex: 0 0 40px;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--c-primary-l); color: var(--c-primary);
}

/* 三栏等宽网格(不足三列时自动靠左, 不会居中错位) */
.strip-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.strip-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }

/* 新闻 */
.news-card {
  position: relative; height: 100%; overflow: hidden;
  border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff;
  box-shadow: var(--shadow-s); transition: all .4s var(--ease);
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: #9ec9dd; }
.news-card .nc-media { position: relative; overflow: hidden; }
.news-card .nc-media img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .8s var(--ease); }
.news-card:hover .nc-media img { transform: scale(1.07); }
.news-card .nc-body { padding: 20px; }
.news-card .nc-meta { display: flex; align-items: center; gap: .6rem; margin-bottom: .6rem; font-size: .8rem; color: var(--c-muted); }
.news-date {
  display: inline-flex; align-items: center; gap: .35rem;
  white-space: nowrap; font-size: .82rem; color: var(--c-primary); font-weight: 600;
}
.news-card h3 { font-size: 1.06rem; line-height: 1.5; margin-bottom: .5rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .nc-text { margin: 0; font-size: .9rem; color: var(--c-muted);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .nc-tag {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  padding: .22rem .7rem; border-radius: 999px;
  background: rgba(255, 255, 255, .92); color: var(--c-primary); font-size: .76rem; font-weight: 700;
}

.news-rows { display: grid; gap: 16px; }
.news-row {
  display: flex; gap: 18px; align-items: stretch;
  padding: 16px 18px; border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-s); transition: all .35s var(--ease);
}
.news-row:hover { transform: translateX(6px); border-color: #9ec9dd; box-shadow: var(--shadow); }
.nr-date {
  flex: 0 0 92px; display: grid; place-content: center; text-align: center;
  border-radius: 12px; background: var(--c-primary-l); color: var(--c-primary);
  line-height: 1.1; white-space: nowrap;
}
.nr-date b { display: block; font-size: 1.5rem; font-weight: 800; }
.nr-date span { font-size: .78rem; }
.nr-body { flex: 1 1 auto; min-width: 0; }
.nr-body h3 { margin-bottom: .3rem; font-size: 1.04rem; }
.nr-body p { margin: 0; font-size: .9rem; color: var(--c-muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nr-body .nr-meta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: .5rem; font-size: .8rem; color: var(--c-muted); }

/* CTA 行动条 */
.cta-band { position: relative; overflow: hidden; }
.cta-band .cb-bg { position: absolute; inset: 0; background-size: cover; background-position: center; animation: kbZoomAlt 44s ease-in-out infinite alternate; }
.cta-band .cb-veil { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(232, 244, 251, .86), rgba(232, 244, 251, .45) 52%, rgba(232, 244, 251, .1)); }
.cta-band .container { position: relative; z-index: 2; }
.cta-flex { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 26px; }
.cta-flex h2 { margin-bottom: .35rem; }
.cta-flex p { margin: 0; color: #3d5669; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

/* =========================================================
 * 07 内页横幅(慢镜头 + 装饰元素, 让动态效果清晰可见)
 * ========================================================= */
.page-head {
  position: relative; overflow: hidden;
  display: flex; align-items: center;
  min-height: 380px;
  padding: calc(var(--header-h) + 68px) 0 72px;
  background: var(--c-soft);
}
@media (min-width: 992px) {
  .page-head { min-height: 440px; padding: calc(var(--header-h) + 92px) 0 96px; }
}
.pb-media {
  position: absolute; inset: -8%;
  background-size: cover; background-position: center;
  will-change: transform;
  animation: kbZoom 34s ease-in-out infinite alternate;
}
.pb-veil {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(232, 244, 251, .78) 0%, rgba(232, 244, 251, .52) 42%, rgba(232, 244, 251, .14) 72%, rgba(232, 244, 251, 0) 100%);
}
.pb-deco { position: absolute; inset: 0; z-index: 2; overflow: hidden; pointer-events: none; }
.pb-watermark {
  position: absolute; right: 3%; bottom: 3%;
  font-size: clamp(3rem, 9vw, 7.5rem); font-weight: 800; line-height: 1;
  letter-spacing: .05em; text-transform: uppercase;
  color: rgba(23, 109, 150, .1); white-space: nowrap;
  animation: driftX 26s ease-in-out infinite alternate;
}
.pb-lines {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(23, 109, 150, .06) 0 1px, transparent 1px 96px);
}
.pb-orb {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(255, 255, 255, .92), rgba(23, 109, 150, .2));
  box-shadow: 0 12px 30px rgba(23, 109, 150, .12);
  animation: floatSlow 13s ease-in-out infinite;
}
/* 三个光斑分别做 上下 / 左右 / 斜向 漂移, 让横幅背景四个方向都在动 */
.pb-orb.o1 { width: 158px; height: 158px; right: 11%; top: 12%; animation-name: floatSlow; animation-duration: 13s; }
.pb-orb.o2 { width: 92px; height: 92px; right: 29%; bottom: 16%; animation-name: floatX; animation-duration: 16s; animation-delay: 2s; }
.pb-orb.o3 { width: 52px; height: 52px; right: 6%; bottom: 34%; animation-name: floatXY; animation-duration: 19s; animation-delay: 4.2s; }
.pb-wave { position: absolute; left: 0; right: 0; bottom: -1px; z-index: 3; line-height: 0; }
.pb-wave svg { display: block; width: 100%; height: 62px; }
/* 缓慢旋转的装饰圆环: 让横幅出现"环形"运动, 与上下左右位移形成互补 */
.pb-ring {
  position: absolute; right: 5%; top: 50%;
  width: 300px; height: 300px; margin-top: -150px;
  border: 1px dashed rgba(23, 109, 150, .22); border-radius: 50%;
  animation: rotateSlow 46s linear infinite;
}
.pb-ring::after {
  content: ""; position: absolute; left: 50%; top: -5px;
  width: 10px; height: 10px; margin-left: -5px; border-radius: 50%;
  background: rgba(23, 109, 150, .35);
}
.pb-inner { position: relative; z-index: 4; }
.pb-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .3rem .95rem; margin-bottom: .9rem; border-radius: 999px;
  background: rgba(255, 255, 255, .78); color: var(--c-primary);
  font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  box-shadow: var(--shadow-s);
}
.pb-title { margin-bottom: .5rem; font-size: clamp(1.7rem, 3.1vw, 2.6rem); }
.pb-desc { max-width: 46em; margin: 0; color: #3f586b; font-size: .98rem; }
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: .9rem; font-size: .87rem; color: var(--c-muted); }
.crumb a { color: var(--c-muted); }
.crumb a:hover { color: var(--c-primary); }
.crumb i { font-size: .65rem; opacity: .6; }

/* =========================================================
 * 08 内页通用(侧栏 / 富文本 / 分页)
 * ========================================================= */
.page-body { padding: 70px 0 80px; }
.side-nav { overflow: hidden; border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-s); }
.sn-head { padding: 22px; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d)); }
.sn-head b { display: block; font-size: 1.16rem; color: #fff; }
.sn-head span { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .72); }
.sn-list li + li { border-top: 1px solid var(--c-line); }
.sn-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 22px; color: var(--c-text); font-size: .95rem;
  transition: all .3s var(--ease);
}
.sn-list a:hover { padding-left: 27px; background: var(--c-soft); color: var(--c-primary); }
.sn-list a.active { background: var(--c-primary); color: #fff; }
.sn-list i { font-size: .72rem; opacity: .55; }
.side-box { margin-top: 22px; padding: 22px; border: 1px solid var(--c-line); border-radius: var(--radius); background: var(--c-soft); }
.side-box h4 { margin-bottom: .85rem; padding-left: .7rem; border-left: 3px solid var(--c-primary); font-size: 1rem; }
.side-contact li { display: flex; gap: .6rem; padding: .35rem 0; font-size: .9rem; }
.side-contact i { margin-top: .45rem; color: var(--c-primary); }

.prose { font-size: 1rem; line-height: 1.95; color: var(--c-text); }
.prose > *:last-child { margin-bottom: 0; }
.prose h2, .prose h3 { margin: 1.9rem 0 .9rem; padding-left: .8rem; border-left: 4px solid var(--c-primary); }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose p { color: #40596c; }
.prose strong { color: var(--c-ink); }
.prose ul.bullet, .prose ol.num { display: grid; gap: .6rem; margin: 1rem 0 1.4rem; }
.prose ul.bullet li { position: relative; padding-left: 1.5rem; }
.prose ul.bullet li::before {
  content: ""; position: absolute; left: 0; top: .78em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--c-accent);
}
.prose ol.num { counter-reset: n; }
.prose ol.num li { position: relative; padding-left: 2.1rem; counter-increment: n; }
.prose ol.num li::before {
  content: counter(n); position: absolute; left: 0; top: .38em;
  display: grid; place-items: center;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--c-primary-l); color: var(--c-primary);
  font-size: .8rem; font-weight: 700;
}
.prose img { margin: 1rem 0; border-radius: var(--radius); box-shadow: var(--shadow-s); }
.prose blockquote {
  margin: 1.3rem 0; padding: 1.1rem 1.4rem;
  border-left: 4px solid var(--c-accent); border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--c-soft); color: #3d5669;
}
.prose .lead { font-size: 1.04rem; color: var(--c-ink); }

.quote-card {
  position: relative; overflow: hidden;
  padding: 34px 34px 30px; border-radius: var(--radius-l);
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
  color: #fff; box-shadow: var(--shadow-l);
}
.quote-card::after {
  content: "\201C"; position: absolute; right: 22px; top: -14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 8rem; line-height: 1; color: rgba(255, 255, 255, .16);
}
.quote-card p { position: relative; z-index: 2; margin: 0; font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: #fff; }
.quote-card small { display: block; margin-top: .9rem; color: rgba(255, 255, 255, .75); }

.pager { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-top: 42px; }
.pager a, .pager span.current {
  display: grid; place-items: center; min-width: 42px; height: 42px; padding: 0 .8rem;
  border: 1px solid var(--c-line); border-radius: 12px; background: #fff;
  color: var(--c-text); font-size: .92rem;
}
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pager span.current { border-color: var(--c-primary); background: var(--c-primary); color: #fff; font-weight: 700; }

/* =========================================================
 * 09 产品
 * ========================================================= */
.pd-media { position: relative; overflow: hidden; border-radius: var(--radius-l); background: #fff; box-shadow: var(--shadow); }
.pd-media img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.pd-thumbs {
  display: flex; gap: 12px; margin-top: 14px;
  overflow-x: auto;                 /* 窄屏横向滚动, 不撑破页面 */
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}
.pd-thumbs button {
  flex: 0 0 88px; width: 88px; height: 66px; padding: 0; overflow: hidden;
  border: 2px solid var(--c-line); border-radius: 12px; background: none; cursor: pointer;
  transition: border-color .3s var(--ease);
}
.pd-thumbs button.active, .pd-thumbs button:hover { border-color: var(--c-primary); }
.pd-thumbs img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pd-title { margin-bottom: .5rem; font-size: clamp(1.5rem, 2.4vw, 2rem); }
.pd-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0 1rem; }
.pd-desc { color: #425b6e; }
.pd-facts { display: grid; gap: .45rem; margin: 1.1rem 0 1.4rem; }
.pd-facts li { display: flex; gap: .6rem; font-size: .95rem; }
.pd-facts i { margin-top: .5rem; color: var(--c-primary); }

.spec-table { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.spec-table table { width: 100%; min-width: 560px; border-collapse: collapse; background: #fff; }
.spec-table th, .spec-table td { padding: .78rem 1rem; border-bottom: 1px solid var(--c-line); font-size: .93rem; text-align: left; }
.spec-table thead th { background: var(--c-primary-l); color: var(--c-primary); font-weight: 700; white-space: nowrap; }
.spec-table tbody tr:nth-child(even) { background: var(--c-soft); }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { color: var(--c-ink); font-weight: 600; white-space: nowrap; }
.spec-note { margin: .8rem 0 0; font-size: .84rem; color: var(--c-muted); }

.honor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.honor-item {
  padding: 14px; border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-s); text-align: center;
  transition: all .4s var(--ease); cursor: zoom-in;
}
.honor-item:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: #9ec9dd; }
.honor-item img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 12px; background: var(--c-soft); }
.honor-item b { display: block; margin-top: .75rem; font-size: .93rem; color: var(--c-ink); }
.honor-item span { font-size: .78rem; color: var(--c-muted); }

.cert-list li {
  display: flex; align-items: flex-start; gap: .8rem;
  padding: 1rem 1.1rem; border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-s); transition: all .35s var(--ease);
}
.cert-list li:hover { transform: translateX(6px); border-color: #9ec9dd; }
.cert-list i {
  display: grid; place-items: center; flex: 0 0 42px;
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--c-primary-l); color: var(--c-primary); font-size: 1.1rem;
}
.cert-list b { display: block; color: var(--c-ink); }
.cert-list p { margin: 0; font-size: .9rem; color: var(--c-muted); }

/* =========================================================
 * 10 企业风采 / 灯箱
 * ========================================================= */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.case-item {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-s); cursor: zoom-in;
}
.case-item img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .9s var(--ease); }
.case-item:hover img { transform: scale(1.1); }
.ci-mask {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 18px; opacity: 0; transition: opacity .4s var(--ease);
  background: linear-gradient(180deg, rgba(8, 40, 60, 0) 42%, rgba(8, 40, 60, .8));
}
.case-item:hover .ci-mask { opacity: 1; }
.ci-mask b { color: #fff; font-size: 1rem; }
.ci-mask span { font-size: .82rem; color: rgba(255, 255, 255, .82); }
.ci-zoom {
  position: absolute; right: 16px; top: 16px; z-index: 3;
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255, 255, 255, .92); color: var(--c-primary);
  opacity: 0; transform: translateY(-8px); transition: all .35s var(--ease);
}
.case-item:hover .ci-zoom { opacity: 1; transform: none; }
[data-cat-item].is-hidden { display: none; }

.lb-wrap { position: relative; }
.lb-img { display: block; max-height: 76vh; margin: 0 auto; border-radius: var(--radius-s); }
.lb-cap { margin: .8rem 0 0; text-align: center; color: rgba(255, 255, 255, .88); font-size: .92rem; }
.lb-prev, .lb-next {
  position: absolute; top: 50%; z-index: 3;
  display: grid; place-items: center;
  width: 46px; height: 46px; margin-top: -23px;
  border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .86); color: var(--c-ink); font-size: 1rem; cursor: pointer;
  transition: all .3s var(--ease);
}
.lb-prev { left: 6px; }
.lb-next { right: 6px; }
.lb-prev:hover, .lb-next:hover { background: var(--c-primary); color: #fff; }

/* =========================================================
 * 11 新闻
 * ========================================================= */
.news-tabs { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 30px; }
.news-tabs .nav-link {
  padding: .55rem 1.35rem; border: 1px solid var(--c-line); border-radius: 999px;
  background: #fff; color: var(--c-text); font-size: .93rem; font-weight: 600;
  transition: all .3s var(--ease);
}
.news-tabs .nav-link:hover { border-color: var(--c-primary); color: var(--c-primary); }
.news-tabs .nav-link.active { border-color: var(--c-primary); background: var(--c-primary); color: #fff; box-shadow: 0 8px 20px rgba(23, 109, 150, .22); }
.news-tabs .nav-link small { margin-left: .35rem; opacity: .75; }

.hot-list li { display: flex; gap: .65rem; padding: .62rem 0; border-bottom: 1px dashed var(--c-line); font-size: .92rem; }
.hot-list li:last-child { border-bottom: 0; }
.hot-list .hl-no {
  flex: 0 0 22px; display: grid; place-items: center;
  width: 22px; height: 22px; margin-top: .35rem; border-radius: 7px;
  background: var(--c-primary-l); color: var(--c-primary);
  font-size: .76rem; font-weight: 700;
}
.hot-list li:nth-child(-n+3) .hl-no { background: var(--c-primary); color: #fff; }
.hot-list a { color: var(--c-text); }
.hot-list a:hover { color: var(--c-primary); }

.news-detail-head { padding-bottom: 20px; margin-bottom: 26px; border-bottom: 1px solid var(--c-line); }
.news-detail-head h1 { font-size: clamp(1.45rem, 2.4vw, 2rem); }
.nd-meta { display: flex; flex-wrap: wrap; gap: 1rem; color: var(--c-muted); font-size: .87rem; }
.nd-meta span { display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap; }
.news-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 30px; }
.prev-next { display: grid; gap: .6rem; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--c-line); }
.prev-next a { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem; color: var(--c-text); }
.prev-next a:hover { color: var(--c-primary); }
.prev-next span { color: var(--c-muted); overflow-wrap: anywhere; }
.prev-next span.pn-label { flex: 0 0 auto; white-space: nowrap; }

/* =========================================================
 * 12 表单 / 在线留言
 * ========================================================= */
.form-card { padding: 32px; border: 1px solid var(--c-line); border-radius: var(--radius-l); background: #fff; box-shadow: var(--shadow); }
.form-label { font-size: .92rem; font-weight: 600; color: var(--c-ink); }
.form-label .req { color: #e04b35; }
.form-control, .form-select {
  padding: .72rem 1rem; border: 1px solid var(--c-line); border-radius: 12px;
  background: var(--c-soft); color: var(--c-ink); font-size: .95rem;
  transition: all .25s var(--ease);
}
.form-control:focus, .form-select:focus {
  border-color: var(--c-primary); background: #fff;
  box-shadow: 0 0 0 4px rgba(23, 109, 150, .12);
}
.form-control::placeholder { color: #8fa4b4; }
.form-hint { font-size: .82rem; color: var(--c-muted); }
.form-done {
  padding: 44px 24px; text-align: center;
  border: 1px dashed var(--c-primary); border-radius: var(--radius); background: var(--c-primary-l);
}
.form-done i { font-size: 2.6rem; color: var(--c-primary); }
.form-done h4 { margin: .8rem 0 .4rem; }
.form-done p { margin: 0; color: var(--c-muted); font-size: .92rem; }

/* =========================================================
 * 13 联系我们 / 地图
 * ========================================================= */
.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.contact-card {
  padding: 26px 24px; border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-s); transition: all .35s var(--ease);
}
.contact-card:hover { transform: translateY(-8px); border-color: #9ec9dd; box-shadow: var(--shadow); }
.contact-card .cc-icon {
  display: grid; place-items: center;
  width: 52px; height: 52px; margin-bottom: 14px; border-radius: 16px;
  background: var(--c-primary-l); color: var(--c-primary); font-size: 1.3rem;
}
.contact-card h4 { font-size: 1.05rem; margin-bottom: .35rem; }
.contact-card p { margin: 0; color: var(--c-muted); font-size: .93rem; }
.contact-card .cc-main { display: block; font-size: 1.1rem; font-weight: 700; color: var(--c-primary); word-break: break-all; }

.map-card {
  position: relative; display: block; overflow: hidden;
  border: 1px solid var(--c-line); border-radius: var(--radius-l);
  background: #fff; box-shadow: var(--shadow);
}
.map-card img { display: block; width: 100%; transition: transform 1.1s var(--ease); }
.map-card:hover img { transform: scale(1.04); }
.map-card .mc-mask { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(23, 109, 150, .05); }
.map-card .mc-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .82rem 1.7rem; border-radius: 999px;
  background: rgba(255, 255, 255, .95); color: var(--c-primary); font-weight: 700;
  box-shadow: var(--shadow); transform: translateY(8px); transition: all .35s var(--ease);
}
.map-card:hover .mc-btn { transform: none; background: var(--c-primary); color: #fff; }
.map-card .mc-tip {
  position: absolute; left: 18px; bottom: 16px;
  padding: .28rem .9rem; border-radius: 999px;
  background: rgba(255, 255, 255, .92); color: var(--c-muted); font-size: .78rem;
}
.traffic-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }

/* =========================================================
 * 14 页脚(四栏 + 二维码 + 技术支持, 移动端重新排布)
 * ========================================================= */
.site-footer {
  position: relative;
  background: linear-gradient(180deg, var(--c-footer) 0%, var(--c-footer-2) 100%);
  color: rgba(255, 255, 255, .72);
  overflow-wrap: break-word;   /* 长英文/邮箱等不撑破列宽 */
}
.footer-top { padding: 64px 0 46px; }
/* 页脚共 5 个内容块(品牌 + 3 组链接 + 联系我们), 因此桌面端用 5 列, 避免第 5 块换行错位 */
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, .78fr)) minmax(0, 1.3fr);
  gap: 40px 28px;
  align-items: start;
}
.footer-grid > * { min-width: 0; }   /* 关键: 允许栅格单元被压缩, 避免长文本撑破布局 */
.f-brand { display: flex; align-items: flex-start; gap: .7rem; margin-bottom: 1rem; }
.f-brand img { flex: 0 0 52px; width: 52px; height: 52px; border-radius: 14px; }
.f-brand b { display: block; min-width: 0; color: #fff; font-size: 1.16rem; line-height: 1.25; }
.f-brand b span { display: block; overflow-wrap: anywhere; }
.f-brand small {
  display: block; margin-top: 3px;
  font-size: .62rem; letter-spacing: .1em; line-height: 1.5;
  color: rgba(255, 255, 255, .55); text-transform: uppercase; overflow-wrap: anywhere;
}
.f-text { margin: 0; font-size: .9rem; color: rgba(255, 255, 255, .62); }
.f-title { position: relative; margin-bottom: 1rem; padding-bottom: .55rem; color: #fff; font-size: 1rem; }
.f-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; border-radius: 2px; background: var(--c-accent); }
.f-links li { margin-bottom: .5rem; }
.f-links a {
  display: inline-block; max-width: 100%;
  color: rgba(255, 255, 255, .7); font-size: .92rem; line-height: 1.7;
  transition: color .28s var(--ease), transform .28s var(--ease);
}
.f-links a::before {
  content: ""; display: inline-block;
  width: 6px; height: 6px; margin-right: .5rem;
  border-right: 2px solid var(--c-accent); border-bottom: 2px solid var(--c-accent);
  transform: rotate(-45deg); vertical-align: middle;
}
.f-links a:hover { color: #fff; transform: translateX(3px); }
.f-contact li { display: flex; gap: .6rem; margin-bottom: .7rem; font-size: .9rem; min-width: 0; }
.f-contact i { flex: 0 0 auto; margin-top: .5rem; color: var(--c-accent); }
.f-contact li > span, .f-contact li > a { min-width: 0; overflow-wrap: anywhere; }
.f-contact a { color: rgba(255, 255, 255, .78); }
.f-contact a:hover { color: #fff; }
.f-qr { text-align: center; }
.f-qr img { width: 122px; height: 122px; padding: 6px; border-radius: 12px; background: #fff; }
.f-qr span { display: block; margin-top: .55rem; font-size: .82rem; color: rgba(255, 255, 255, .6); }
.social-links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.social-links a, .social-links button {
  display: grid; place-items: center;
  width: 38px; height: 38px; border: 0; border-radius: 11px;
  background: rgba(255, 255, 255, .1); color: #fff; font-size: .95rem; cursor: pointer;
  transition: all .3s var(--ease);
}
.social-links a:hover, .social-links button:hover { background: var(--c-accent); color: #fff; transform: translateY(-3px); }
.footer-mid { padding: .9rem 0; border-top: 1px solid rgba(255, 255, 255, .1); }
.friend-links { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .95rem; font-size: .85rem; color: rgba(255, 255, 255, .5); }
.friend-links b { color: rgba(255, 255, 255, .72); font-weight: 600; }
.friend-links a { color: rgba(255, 255, 255, .62); }
.friend-links a:hover { color: #fff; }
.footer-bottom { padding: 16px 0 18px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .85rem; }
/* 版权信息行: 全部左对齐自动折行, 不用 space-between, 折行后不会出现大空档 */
.fb-row { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem 1.5rem; }
.fb-row > * { min-width: 0; }
.fb-row a { color: rgba(255, 255, 255, .68); }
.fb-row a:hover { color: #fff; }
.fb-row-sub { margin-top: .45rem; font-size: .79rem; color: rgba(255, 255, 255, .55); }
.fb-row-sub a { color: rgba(255, 255, 255, .6); }
.footer-tech { color: rgba(255, 255, 255, .62); }
.footer-tech a { color: var(--c-accent); font-weight: 600; }
.footer-tech a:hover { color: #b9dcee; text-decoration: underline; }

/* =========================================================
 * 15 悬浮客服 / 移动端快捷条 / 回到顶部 / 弹窗
 * ========================================================= */
.float-side {
  position: fixed; right: 18px; top: 50%; z-index: 950;
  display: flex; flex-direction: column; gap: 10px;
  transform: translateY(-50%);
}
.fs-item {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 58px; height: 58px; padding: 0;
  border: 0; border-radius: 15px;
  background: rgba(255, 255, 255, .96); color: var(--c-primary);
  box-shadow: var(--shadow); text-decoration: none; cursor: pointer;
  transition: all .3s var(--ease);
}
.fs-item i { font-size: 1.15rem; }
.fs-item small { margin-top: 2px; font-size: .62rem; color: var(--c-muted); }
.fs-item:hover, .fs-item:focus-visible { background: var(--c-primary); color: #fff; transform: translateY(-3px); }
.fs-item:hover small, .fs-item:focus-visible small { color: rgba(255, 255, 255, .85); }
.fs-tip {
  position: absolute; right: 70px; top: 50%;
  padding: .34rem .8rem; border-radius: 9px;
  background: rgba(10, 48, 72, .92); color: #fff; font-size: .8rem; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transform: translateY(-50%) translateX(6px);
  transition: all .3s var(--ease);
}
.fs-item:hover .fs-tip, .fs-item:focus-visible .fs-tip { opacity: 1; transform: translateY(-50%) translateX(0); }
.fs-pop {
  position: absolute; right: 72px; top: 50%; z-index: 5;
  width: 170px; padding: 14px; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-l); text-align: center;
  opacity: 0; visibility: hidden;
  transform: translateY(-50%) scale(.94); transform-origin: right center;
  transition: all .3s var(--ease);
}
.fs-wechat:hover .fs-pop, .fs-wechat:focus-within .fs-pop { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
.fs-pop img { width: 100%; border-radius: 10px; }
.fs-pop b { display: block; margin-top: .45rem; font-size: .82rem; color: var(--c-ink); }
.fs-pop small { display: block; font-size: .72rem; color: var(--c-muted); }

.m-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 1020;
  display: flex;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 -6px 22px rgba(12, 65, 91, .12);
}
.m-bar a {
  flex: 1 1 0; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: .5rem 0 .45rem; border-right: 1px solid var(--c-line);
  color: var(--c-text); font-size: .7rem;
}
.m-bar a:last-child { border-right: 0; }
.m-bar i { font-size: 1.05rem; color: var(--c-primary); }
.m-bar a:active { background: var(--c-soft); }

.back-top {
  position: fixed; right: 22px; bottom: 26px; z-index: 940;
  display: grid; place-items: center;
  width: 46px; height: 46px; border: 0; border-radius: 50%;
  background: var(--c-primary); color: #fff; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .35s var(--ease);
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--c-primary-d); }

#videoModal .modal-content, #galleryModal .modal-content {
  border: 0; border-radius: var(--radius);
  background: rgba(8, 25, 40, .96);
}
#videoModal .modal-header { border-bottom: 1px solid rgba(255, 255, 255, .12); }
#videoModal video { display: block; width: 100%; background: #000; }
#videoModal .btn-close, #galleryModal .btn-close { filter: invert(1) grayscale(1) brightness(2); }
.video-missing {
  margin: 0; padding: .9rem 1.1rem;
  border-radius: 0 0 var(--radius) var(--radius);
  background: rgba(240, 161, 44, .18); color: #ffd9a4; font-size: .88rem;
}
#galleryModal .modal-body { padding: 24px 72px; }
.modal-backdrop.show { opacity: .62; }

/* 搜索弹窗 */
.search-modal .modal-content { border: 0; border-radius: var(--radius-l); box-shadow: var(--shadow-l); }
.search-modal .modal-body { padding: 30px 32px 34px; }
.search-box { display: flex; gap: .6rem; }
.search-results { margin-top: 20px; max-height: 46vh; overflow-y: auto; }
.search-results li + li { border-top: 1px dashed var(--c-line); }
.search-results a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem .3rem; color: var(--c-ink); }
.search-results a:hover { color: var(--c-primary); }
.search-results span { font-size: .8rem; color: var(--c-muted); white-space: nowrap; }
.search-empty { padding: 1.4rem 0; color: var(--c-muted); font-size: .92rem; }

/* =========================================================
 * 16 动效关键帧 / 透视 / 响应式
 * ========================================================= */
@keyframes kbZoom {
  0% { transform: scale(1.02) translate3d(0, 0, 0); }
  100% { transform: scale(1.16) translate3d(-1.4%, -1.2%, 0); }
}
/* 反向慢镜头: 与 kbZoom 形成"左右呼应"的背景运动 */
@keyframes kbZoomAlt {
  0% { transform: scale(1.02) translate3d(0, 0, 0); }
  100% { transform: scale(1.16) translate3d(1.4%, -1.2%, 0); }
}
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
/* 左右来回(水平位移) */
@keyframes floatX {
  0%, 100% { transform: translateX(-14px); }
  50% { transform: translateX(14px); }
}
/* 斜向漂移(上下 + 左右同时) */
@keyframes floatXY {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(14px, -12px); }
  66% { transform: translate(-12px, -6px); }
}
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes scrollLine {
  0% { top: -50%; }
  100% { top: 100%; }
}
@keyframes pulseRing {
  0% { transform: scale(.92); opacity: .7; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes driftX {
  0% { transform: translateX(-2%); }
  100% { transform: translateX(2%); }
}

/* 3D 透视卡片(桌面鼠标跟随) */
.tilt { transform-style: preserve-3d; will-change: transform; transition: transform .45s var(--ease); }

.nowrap { white-space: nowrap; }
.bg-soft { background: var(--c-soft); }
.text-ink { color: var(--c-ink); }
.text-muted-2 { color: var(--c-muted); }

@media (max-width: 1399.98px) {
  .fp-nav { display: none; }
}

@media (max-width: 1199.98px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .hero-visual, .hero-scroll { display: none; }
  .hero-card { padding: 30px 26px 26px; }
  .split-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .split-grid.reverse > .split-media { order: 0; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }   /* 平板(带侧栏)改 2 列, 卡片不至于过窄 */
  .honor-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .history-items, .stat-items, .contact-grid, .traffic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-item { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .16); padding-bottom: 18px; }
  .stat-item:nth-last-child(-n+2) { border-bottom: 0; }
  /* 页脚: 平板/小笔记本改为 2 列, 品牌块整行通栏, 5 个内容块刚好排成 1 + 2 + 2 */
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 26px; }
  .f-brand-col { grid-column: 1 / -1; }
  .footer-top { padding: 52px 0 40px; }
}

@media (max-width: 991.98px) {
  .section { padding: 58px 0; }
  .page-body { padding: 50px 0 62px; }
  .side-nav { margin-bottom: 8px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid, .strip-3, .strip-4, .honor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-points { grid-template-columns: minmax(0, 1fr); }
  .hero-nav { width: 46px; height: 46px; margin-top: -23px; }
  .hero-prev { left: 12px; }
  .hero-next { right: 12px; }
  .float-side { display: none; }
  .back-top { bottom: 72px; }
  /* 移动端页脚: 底部留白, 避免被快捷条遮挡 */
  .footer-top { padding: 42px 0 34px; }
  .footer-bottom { padding-bottom: 78px; }
}

@media (max-width: 767.98px) {
  body { line-height: 1.8; }
  .section { padding: 46px 0; }
  .section-head { margin-bottom: 28px; }
  .hero { min-height: 560px; }
  .hero-inner { padding-bottom: 46px; }
  .hero-card { padding: 24px 18px; }
  .hero-title { font-size: 1.62rem; }
  .hero-actions { width: 100%; }
  .hero-actions .btn-main, .hero-actions .btn-ghost { flex: 1 1 auto; padding: .72rem 1.1rem; font-size: .92rem; }
  .hero-metrics { gap: .7rem 1.3rem; }
  .hero-metrics .hm-num { font-size: 1.3rem; }
  .history-items { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .history-strip::before { display: none; }
  .stat-items { grid-template-columns: minmax(0, 1fr); }
  .stat-item { border-bottom: 1px solid rgba(255, 255, 255, .16); }
  .cta-flex { flex-direction: column; align-items: flex-start; }
  .news-row { flex-direction: column; gap: 10px; padding: 14px; }
  .nr-date {
    display: flex; align-items: center; gap: .55rem;
    width: 100%; padding: .35rem .8rem; text-align: left;
  }
  .nr-date b { font-size: 1rem; }
  #galleryModal .modal-body { padding: 48px 12px 18px; }
  .lb-prev { left: -2px; }
  .lb-next { right: -2px; }
  .form-card { padding: 22px 18px; }
  .footer-grid { gap: 28px 22px; }
  .f-qr img { width: 108px; height: 108px; }
}

@media (max-width: 575.98px) {
  .product-grid, .case-grid, .strip-3, .strip-4, .honor-grid,
  .contact-grid, .traffic-grid { grid-template-columns: minmax(0, 1fr); }
  .page-head { min-height: 320px; padding: calc(var(--header-h) + 46px) 0 58px; }
  .pb-desc { display: none; }
  .search-modal .modal-body { padding: 22px 18px 26px; }
  /* 小屏页脚: 单列堆叠, 每块之间用分隔线区分, 不会出现两列挤压换行 */
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer-grid > div + div { padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); }
  .friend-links b { flex: 0 0 100%; }
}

/* 小笔记本(1200~1399): 页脚列宽重新配比, 避免链接文字折行 */
@media (min-width: 1200px) and (max-width: 1399.98px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, .85fr)) minmax(0, 1.25fr);
    gap: 34px 22px;
  }
  .f-text { font-size: .86rem; }
  .f-links a { font-size: .88rem; }
  .f-contact li { font-size: .86rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html.fp-on { scroll-snap-type: none; }
  .reveal { visibility: visible; }
}

/* =========================================================
 * 17 细节补强
 * ========================================================= */
/* 页内锚点跳转时避开固定页头(如 产品中心#p-fused) */
[id] { scroll-margin-top: calc(var(--header-h) + 26px); }

/* 首页产品轮播的分页点(静态定位, 跟随内容流) */
.product-swiper .swiper-pagination {
  position: static; margin-top: 26px;
  display: flex; align-items: center; justify-content: center; gap: .5rem;
}
.product-swiper .swiper-slide { height: auto; }

/* 首屏第 2 屏(文字在右)专用遮罩与徽标配色 */
.hero-veil-2 {
  background:
    linear-gradient(260deg, rgba(232, 244, 251, .58) 0%, rgba(232, 244, 251, .38) 34%, rgba(232, 244, 251, .12) 60%, rgba(232, 244, 251, 0) 86%),
    linear-gradient(180deg, rgba(232, 244, 251, .28) 0%, rgba(232, 244, 251, 0) 36%, rgba(228, 241, 248, .9) 100%);
}
.hero-badge-2 { background: linear-gradient(135deg, var(--c-teal), #0d4f70); box-shadow: 0 14px 30px rgba(18, 95, 127, .32); }
.hero-badge-2 b { font-size: 1.15rem; letter-spacing: .02em; }
/* 第 2 屏徽标改用斜向漂移, 与第 1 屏的上下浮动形成对比 */
.hero-badge-2 { animation-name: floatXY; animation-duration: 9s; }
@media (max-width: 1199.98px) {
  /* 单列布局时文字回到左侧, 遮罩方向也复原 */
  .hero-veil-2 {
    background:
      linear-gradient(100deg, rgba(232, 244, 251, .58) 0%, rgba(232, 244, 251, .38) 34%, rgba(232, 244, 251, .12) 60%, rgba(232, 244, 251, 0) 86%),
      linear-gradient(180deg, rgba(232, 244, 251, .28) 0%, rgba(232, 244, 251, 0) 36%, rgba(228, 241, 248, .9) 100%);
  }
}

/* 荣誉证书点击手感 */
.honor-item:focus-visible, .case-item:focus-visible { outline: 3px solid rgba(23, 109, 150, .5); outline-offset: 3px; }

/* 脚本异常兜底: 2.5 秒内未完成初始化时, 强制显示所有滚动动画元素, 避免内容不可见 */
html.js-fail .reveal { visibility: visible; }

/* 表格在窄屏可横向滚动时给一点提示阴影 */
.spec-table { background: #fff; }
.spec-table::-webkit-scrollbar { height: 8px; }

/* 首屏“向下滚动”提示: 放左侧(右侧留给悬浮客服条), 仅在宽屏出现 */
.hero-scroll { left: 26px; right: auto; bottom: 34px; display: none; }
@media (min-width: 1400px) {
  .hero-scroll { display: flex; }
}

/* 桌面端页头更高(含顶部信息栏), 统一页头高度变量 */
@media (min-width: 1200px) {
  :root { --header-h: 116px; }
}