/* ========================================================================
   首页新版样式 index.css  (容器1400px 自适应 / 手机端适配)
   ======================================================================== */
:root {
  --nx-primary: #1161c0;
  --nx-primary-dark: #0d4b96;
  --nx-accent: #ed7020;
  --nx-text: #333;
  --nx-text-light: #666;
  --nx-border: #e8ecf1;
  --nx-bg: #f5f7fa;
  --nx-radius: 10px;
  --nx-shadow: 0 10px 30px rgba(17, 97, 192, .10);
  --nx-transition: all .35s cubic-bezier(.25, .8, .25, 1);
}
* { box-sizing: border-box; }
img { max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: var(--nx-text); background: #fff; }

.nx-container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ---------- 通用区块 ---------- */
.nx-section { padding: 80px 0; }
.nx-section--gray { background: var(--nx-bg); }
.nx-sec-head { text-align: center; margin-bottom: 50px; }
.nx-sec-head h2 { font-size: 34px; color: var(--nx-primary-dark); margin: 0 0 12px; position: relative; display: inline-block; padding-bottom: 16px; }
.nx-sec-head h2::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 56px; height: 3px; background: var(--nx-accent); border-radius: 2px; }
.nx-sec-head p { color: var(--nx-text-light); font-size: 15px; margin: 0; }

.nx-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; background: var(--nx-primary); color: #fff; border-radius: 30px; font-size: 15px; transition: var(--nx-transition); border: 1px solid var(--nx-primary); }
.nx-btn:hover { background: var(--nx-primary-dark); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(17, 97, 192, .3); }
.nx-btn--ghost { background: transparent; border-color: #fff; }
.nx-btn--ghost:hover { background: #fff; color: var(--nx-primary); }

/* ---------- 滚动显现动画 ---------- */
.nx-reveal { opacity: 0; transform: translateY(36px); transition: opacity .7s ease, transform .7s ease; }
.nx-reveal.in { opacity: 1; transform: none; }
.nx-reveal[data-delay="1"] { transition-delay: .12s; }
.nx-reveal[data-delay="2"] { transition-delay: .24s; }
.nx-reveal[data-delay="3"] { transition-delay: .36s; }
.nx-reveal[data-delay="4"] { transition-delay: .48s; }
.nx-reveal[data-delay="5"] { transition-delay: .60s; }

/* ========================================================================
   顶部 Header：LOGO 左 / 双语导航中 / 翻译右
   ======================================================================== */
.nx-header { position: sticky; top: 0; z-index: 1000; background: #fff; box-shadow: 0 2px 12px rgba(0, 0, 0, .06); transition: var(--nx-transition); }
.nx-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 84px; transition: var(--nx-transition); }
.nx-header.scrolled .nx-header__inner { height: 84px; }
.nx-logo { display: flex; align-items: center; flex-shrink: 0; }
.nx-logo img { max-height: 60px; transition: var(--nx-transition); }

.nx-menu { display: flex; align-items: center; gap: 4px; }
.nx-menu__item { position: relative; }
.nx-menu__item > a { display: flex; flex-direction: column; align-items: center; line-height: 1.25; padding: 10px 20px; color: #333; font-size: 15px; position: relative; transition: color .25s; }
.nx-menu__item > a .en { font-size: 15px; font-weight: 600; order: 1; transition: color .25s; }
.nx-menu__item > a .zh { font-size: 11px; color: #9aa3ad; text-transform: capitalize; letter-spacing: .4px; transition: color .25s; order: 2; }
.nx-menu__item > a .fa-angle-down { display: none; }
.nx-menu__item > a::after { content: ""; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%); width: 0; height: 3px; background: var(--nx-accent); border-radius: 2px; transition: width .3s; }
.nx-menu__item:hover > a, .nx-menu__item.active > a { color: var(--nx-accent); }
.nx-menu__item:hover > a .zh, .nx-menu__item.active > a .zh { color: var(--nx-accent); opacity: .75; }
.nx-menu__item:hover > a::after, .nx-menu__item.active > a::after { width: 60%; }
.nx-menu__item:hover > a .fa-angle-down { transform: translateY(-50%) rotate(180deg); }

/* 下拉 */
.nx-sub { position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, 0); min-width: 180px; background: #fff; border-radius: 8px; box-shadow: 0 12px 32px rgba(0, 0, 0, .14); padding: 8px 0; opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s ease; z-index: 1100; }
.nx-sub::before { content: ""; position: absolute; top: -14px; left: 0; width: 100%; height: 14px; }
.nx-menu__item:hover .nx-sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nx-sub li a { display: block; padding: 10px 20px; font-size: 14px; color: #444; transition: all .25s; }
.nx-sub li a:hover { background: var(--nx-bg); color: var(--nx-primary); padding-left: 26px; }

/* 头部右侧 */
.nx-header__right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
/* Language Switcher（下拉内容不做翻译） */
.nx-lang { position: relative; display: inline-block; }
.lang-btn { display: flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1px solid var(--nx-border); background: #fff; border-radius: 6px; cursor: pointer; font-size: 14px; color: #333; transition: all .3s; font-family: inherit; }
.lang-btn .fa-globe { font-size: 16px; }
/* 手机端语言按钮只显示地球图标（图标加大） */
@media (max-width: 768px) {
  .lang-btn { padding: 7px 9px; gap: 0; }
  .lang-btn .lang-name, .lang-btn .lang-arrow { display: none; }
  .lang-btn .fa-globe { font-size: 22px; }
}
.lang-btn:hover { color: var(--nx-accent); border-color: var(--nx-accent); }
.lang-arrow { font-size: 10px; transition: transform .3s; }
.nx-lang.open .lang-arrow { transform: rotate(180deg); }
.lang-dropdown { position: absolute; top: calc(100% + 6px); right: 0; min-width: 160px; background: #fff; border-radius: 8px; box-shadow: 0 8px 24px rgba(0, 0, 0, .12); overflow: hidden; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all .3s; z-index: 1200; border: 1px solid #eee; }
.nx-lang.open .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-item { display: flex; align-items: center; gap: 8px; padding: 10px 16px; text-decoration: none; color: #333; font-size: 14px; transition: background .2s; }
.lang-item:hover { background: #f5f5f5; }
.lang-item.active { background: var(--nx-accent); color: #fff; }
.lang-item i { font-size: 12px; width: 16px; text-align: center; }
#translate { display: none; }

/* 汉堡按钮（移动端） */
.nx-burger { display: none; width: 42px; height: 42px; border: 1px solid var(--nx-border); background: #fff; border-radius: 8px; font-size: 18px; color: #333; cursor: pointer; align-items: center; justify-content: center; }

/* ========================================================================
   幻灯（Swiper 版 · fade 切换 · 硬件加速 · 零抖动）
   ======================================================================== */
.nx-hero { position: relative; background: #0d4b96; overflow: hidden; }
.nx-hero__swiper { width: 100%; height: 520px; background: #0d4b96; }
@media (max-width: 992px) { .nx-hero__swiper { height: 400px; } }
@media (max-width: 576px) { .nx-hero__swiper { height: 220px; } }
.nx-hero__slide { position: relative; overflow: hidden; height: 100%; }
.nx-hero__slide img { width: 100%; height: 100%; object-fit: cover; display: block; border: 0; }
.nx-hero__slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 30, 62, .45) 0%, rgba(6, 30, 62, .15) 45%, rgba(6, 30, 62, .55) 100%); pointer-events: none; }
.nx-hero__caption { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: #fff; z-index: 2; padding: 0 20px; pointer-events: none; }
.nx-hero__caption h2 { font-size: 52px; margin: 0 0 14px; text-shadow: 0 4px 24px rgba(0, 0, 0, .35); letter-spacing: 2px; }
.nx-hero__caption p { font-size: 20px; margin: 0 0 30px; opacity: .92; text-shadow: 0 2px 12px rgba(0, 0, 0, .35); }
.nx-hero__caption .nx-btn { pointer-events: auto; }
.nx-hero__slide .nx-hero__caption h2,
.nx-hero__slide .nx-hero__caption p,
.nx-hero__slide .nx-hero__caption .nx-btn { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.swiper-slide-active .nx-hero__caption h2 { opacity: 1; transform: none; transition-delay: .25s; }
.swiper-slide-active .nx-hero__caption p { opacity: .92; transform: none; transition-delay: .45s; }
.swiper-slide-active .nx-hero__caption .nx-btn { opacity: 1; transform: none; transition-delay: .65s; }
.nx-hero__arrow { width: 52px !important; height: 52px !important; border-radius: 50%; border: 1px solid rgba(255,255,255,.5); background: rgba(20,50,90,.35); color: #fff !important; transition: background .3s, border-color .3s; margin-top: 0; top: 50%; transform: translateY(-50%); }
.nx-hero__arrow::after { font-size: 18px; font-weight: 900; }
.nx-hero__arrow:hover { background: var(--nx-accent); border-color: var(--nx-accent); }
.nx-hero__arrow.prev { left: 28px !important; }
.nx-hero__arrow.next { right: 28px !important; }
.nx-hero__dots { bottom: 30px !important; }
.nx-hero__dots .swiper-pagination-bullet { width: 34px; height: 5px; border-radius: 3px; background: rgba(255,255,255,.45); opacity: 1; transition: background .3s, width .3s; }
.nx-hero__dots .swiper-pagination-bullet:hover { background: rgba(255,255,255,.75); }
.nx-hero__dots .swiper-pagination-bullet-active { background: #fff; width: 56px; }
/* ========================================================================
   六大优势
   ======================================================================== */
.nx-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.nx-feature { display: flex; gap: 18px; padding: 30px 26px; background: #fff; border: 1px solid var(--nx-border); border-radius: var(--nx-radius); transition: var(--nx-transition); }
.nx-feature:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-feature__icon { flex-shrink: 0; width: 58px; height: 58px; border-radius: 14px; background: rgba(17, 97, 192, .08); color: var(--nx-primary); display: flex; align-items: center; justify-content: center; font-size: 24px; transition: var(--nx-transition); }
.nx-feature:hover .nx-feature__icon { background: var(--nx-primary); color: #fff; transform: rotateY(180deg); }
.nx-feature__body h3 { margin: 0 0 8px; font-size: 18px; color: var(--nx-primary-dark); }
.nx-feature__body p { margin: 0; font-size: 14px; color: var(--nx-text-light); line-height: 1.7; }

/* ========================================================================
   关于我们（左图右文 + 数据）
   ======================================================================== */
.nx-about { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.nx-about__media { position: relative; }
.nx-about__media .main { border-radius: var(--nx-radius); overflow: hidden; box-shadow: var(--nx-shadow); }
.nx-about__media .main img { width: 100%; height: 460px; object-fit: cover; display: block; transition: transform .8s ease; }
.nx-about__media:hover .main img { transform: scale(1.05); }
.nx-about__media .sub { position: absolute; right: -28px; bottom: -34px; width: 46%; border-radius: var(--nx-radius); overflow: hidden; border: 6px solid #fff; box-shadow: var(--nx-shadow); display: none; }
.nx-about__exp { position: absolute; left: -22px; bottom: -26px; background: var(--nx-primary); color: #fff; border-radius: var(--nx-radius); padding: 20px 24px; text-align: center; box-shadow: 0 12px 28px rgba(17, 97, 192, .35); }
.nx-about__exp strong { display: block; font-size: 40px; line-height: 1.1; }
.nx-about__exp span { font-size: 13px; opacity: .9; }
.nx-about__body .nx-sec-head { text-align: left; margin-bottom: 22px; }
.nx-about__body .nx-sec-head h2 { padding-bottom: 14px; }
.nx-about__body .nx-sec-head h2::after { left: 0; transform: none; }
.nx-about__text { color: var(--nx-text-light); font-size: 15px; line-height: 1.9; text-align: justify; margin: 0 0 14px; }
.nx-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.nx-stat { background: var(--nx-bg); border-radius: var(--nx-radius); padding: 22px 10px; text-align: center; transition: var(--nx-transition); }
.nx-stat:hover { background: var(--nx-primary); color: #fff; transform: translateY(-4px); }
.nx-stat strong { display: block; font-size: 34px; color: var(--nx-primary); line-height: 1.15; }
.nx-stat strong small, .nx-about__exp strong small { font-size: .48em; font-weight: 600; margin-left: 2px; }
.nx-stat:hover strong { color: #fff; }
.nx-stat span { font-size: 13px; color: var(--nx-text-light); }
.nx-stat:hover span { color: rgba(255, 255, 255, .85); }

/* ========================================================================
   产品分类 + 产品（左分类 / 右产品 Tab）
   ======================================================================== */
.nx-prod-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: stretch; }
.nx-cats { background: #fff; border-radius: var(--nx-radius); overflow: hidden; border: 1px solid var(--nx-border); position: sticky; top: 100px; height: 100%; display: flex; flex-direction: column; }
.nx-cats > li { flex: 1; display: flex; }
.nx-cats > li a { flex: 1; padding-top: 21px; padding-bottom: 21px; }
.nx-cats__title { flex: 0 0 auto; }
.nx-cats__title { background: var(--nx-primary); color: #fff; padding: 18px 22px; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.nx-cats__title i { font-size: 20px; }
.nx-cats li a { display: flex; align-items: center; justify-content: space-between; padding: 15px 22px; font-size: 15px; color: #444; border-bottom: 1px solid var(--nx-border); transition: all .3s; cursor: pointer; }
.nx-cats li:last-child a { border-bottom: 0; }
.nx-cats li a i { font-size: 12px; opacity: 0; transform: translateX(-6px); transition: all .3s; color: var(--nx-accent); }
.nx-cats li a:hover, .nx-cats li.active a { color: var(--nx-primary); background: var(--nx-bg); padding-left: 28px; }
.nx-cats li a:hover i, .nx-cats li.active a i { opacity: 1; transform: none; }
.nx-cats li.active a { font-weight: 700; border-left: 3px solid var(--nx-accent); padding-left: 25px; }

.nx-prod-panels { position: relative; }
.nx-prod-panel { display: none; }
.nx-prod-panel.active { display: block; animation: nxFadeUp .5s ease; }
@keyframes nxFadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.nx-prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.nx-prod { background: #fff; border: 1px solid var(--nx-border); border-radius: var(--nx-radius); overflow: hidden; transition: var(--nx-transition); }
.nx-prod:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); }
.nx-prod__media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--nx-bg); }
.nx-prod__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.nx-prod:hover .nx-prod__media img { transform: scale(1.08); }
.nx-prod__more { position: absolute; inset: 0; background: rgba(11, 58, 120, .55); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .35s; }
.nx-prod__more span { color: #fff; border: 1px solid #fff; border-radius: 24px; padding: 8px 24px; font-size: 13px; }
.nx-prod:hover .nx-prod__more { opacity: 1; }
.nx-prod__body { padding: 16px 18px 20px; text-align: center; }
.nx-prod__body h3 { margin: 0; font-size: 15px; font-weight: 600; color: #333; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .25s; }
.nx-prod:hover .nx-prod__body h3 { color: var(--nx-primary); }
.nx-prod-panel-foot { text-align: center; margin-top: 34px; }

/* ========================================================================
   视频中心（竖屏双视频 + 背景大图 + 第一帧缩略图）
   ======================================================================== */
.nx-videos { position: relative; background-size: cover; background-position: center; }
.nx-videos__overlay { position: absolute; inset: 0; background: rgba(8, 24, 48, .72); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.nx-videos .nx-container { position: relative; z-index: 2; }
.nx-videos .nx-sec-head h2,
.nx-videos .nx-sec-head p { color: #fff; text-shadow: 0 2px 10px rgba(0, 0, 0, .35); }
.nx-video-carousel { position: relative; max-width: 1500px; margin: 0 auto; padding: 0 64px; }
.nx-video-swiper { overflow: hidden; padding: 10px 0 6px; }
.nx-video-arrow { position: absolute; top: 42%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .12); color: #fff; font-size: 16px; cursor: pointer; z-index: 5; display: flex; align-items: center; justify-content: center; transition: all .3s; backdrop-filter: blur(4px); }
.nx-video-arrow:hover { background: var(--nx-accent); border-color: var(--nx-accent); }
.nx-video-arrow.prev { left: 0; }
.nx-video-arrow.next { right: 0; }
.nx-video-arrow.swiper-button-disabled { opacity: .35; cursor: not-allowed; }
.nx-video-card { cursor: pointer; }
.nx-video-card__media { position: relative; aspect-ratio: 9 / 16; border-radius: var(--nx-radius); overflow: hidden; background: linear-gradient(135deg, #1161c0 0%, #0d4b96 100%); box-shadow: var(--nx-shadow); transition: var(--nx-transition); }
.nx-video-card:hover .nx-video-card__media { transform: translateY(-6px); box-shadow: 0 22px 50px rgba(17, 97, 192, .45); }
.nx-video-card__media { background-size: cover; background-position: center; background-repeat: no-repeat; }
.nx-video-card__media video { display: none; }
.nx-video-thumb { display: none; }
.nx-video-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 24, 48, 0) 42%, rgba(8, 24, 48, .55) 100%); z-index: 1; }
.nx-video-card__play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 76px; height: 76px; border-radius: 50%; background: rgba(255, 255, 255, .18); border: 2px solid rgba(255, 255, 255, .85); color: #fff; font-size: 24px; display: flex; align-items: center; justify-content: center; z-index: 2; transition: var(--nx-transition); backdrop-filter: blur(4px); }
.nx-video-card__play::before { content: ""; position: absolute; inset: -14px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .35); animation: nxPulse 2s ease-out infinite; }
.nx-video-card:hover .nx-video-card__play { background: var(--nx-accent); border-color: var(--nx-accent); transform: translate(-50%, -50%) scale(1.08); }
.nx-video-card__title { margin: 16px 0 0; text-align: center; font-size: 16px; color: #fff; font-weight: 600; text-shadow: 0 1px 6px rgba(0, 0, 0, .5); }

/* 视频弹窗（竖屏适配 + 上一首/下一首） */
.nx-video-modal { position: fixed; inset: 0; z-index: 3000; background: rgba(0, 0, 0, .85); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all .35s; padding: 30px; }
.nx-video-modal.open { opacity: 1; visibility: visible; }
.nx-video-modal__box { position: relative; width: 100%; max-width: 460px; }
.nx-video-modal__box video { width: 100%; max-height: 86vh; border-radius: 8px; display: block; background: #000; }
.nx-video-modal__close { position: absolute; top: -46px; right: 0; background: none; border: 0; color: #fff; font-size: 30px; cursor: pointer; transition: transform .3s; z-index: 6; }
.nx-video-modal__close:hover { transform: rotate(90deg); }
.nx-video-modal__arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .12); color: #fff; font-size: 16px; cursor: pointer; transition: all .3s; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.nx-video-modal__arrow:hover { background: var(--nx-accent); border-color: var(--nx-accent); }
.nx-video-modal__arrow.prev { left: -58px; }
.nx-video-modal__arrow.next { right: -58px; }
@media (max-width: 600px) {
  .nx-video-modal__arrow { width: 38px; height: 38px; font-size: 14px; }
  .nx-video-modal__arrow.prev { left: 8px; }
  .nx-video-modal__arrow.next { right: 8px; }
}

/* ========================================================================
   公司实力（左右交替）
   ======================================================================== */
.nx-strength { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 46px 0; }
/* 左右滑入动效：奇数行 图左→右文 / 偶数行 图右→左文，向中间聚合 */
.nx-strength.nx-reveal { opacity: 1; transform: none; }
.nx-strength .nx-strength__media, .nx-strength .nx-strength__body { opacity: 0; transition: opacity .85s ease, transform .85s cubic-bezier(.25, .8, .25, 1); }
.nx-strength .nx-strength__media { transform: translateX(-80px); }
.nx-strength .nx-strength__body { transform: translateX(80px); }
.nx-strength:nth-child(even) .nx-strength__media { transform: translateX(80px); }
.nx-strength:nth-child(even) .nx-strength__body { transform: translateX(-80px); }
.nx-strength.in .nx-strength__media, .nx-strength.in .nx-strength__body { opacity: 1; transform: translateX(0); }
.nx-strength__media { border-radius: var(--nx-radius); overflow: hidden; box-shadow: var(--nx-shadow); position: relative; }
.nx-strength__media img { width: 100%; height: 380px; object-fit: cover; display: block; transition: transform .8s ease; }
.nx-strength:hover .nx-strength__media img { transform: scale(1.06); }
.nx-strength__media::after { content: ""; position: absolute; inset: 0; border: 0 solid rgba(237, 112, 32, .0); transition: all .4s; }
.nx-strength:nth-child(even) .nx-strength__media { order: 2; }
.nx-strength__num { font-size: 64px; font-weight: 800; color: rgba(17, 97, 192, .10); line-height: 1; margin-bottom: 6px; }
.nx-strength__body h3 { font-size: 26px; color: var(--nx-primary-dark); margin: 0 0 8px; position: relative; padding-bottom: 14px; }
.nx-strength__body h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 44px; height: 3px; background: var(--nx-accent); border-radius: 2px; }
.nx-strength__body h3 .en { display: block; font-size: 13px; color: #9aa3ad; font-weight: 400; letter-spacing: 2px; text-transform: uppercase; margin-top: 8px; }
.nx-strength__body p { color: var(--nx-text-light); font-size: 15px; line-height: 1.9; text-align: justify; margin: 16px 0 0; }
.nx-strength:hover .nx-strength__num { color: rgba(237, 112, 32, .14); }

/* ========================================================================
   定制流程
   ======================================================================== */
.nx-process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; counter-reset: step; }
.nx-step { position: relative; background: #fff; border: 1px solid var(--nx-border); border-radius: var(--nx-radius); padding: 34px 16px 26px; text-align: center; transition: var(--nx-transition); }
.nx-step:hover { transform: translateY(-8px); box-shadow: var(--nx-shadow); border-color: var(--nx-primary); }
.nx-step__icon { width: 74px; height: 74px; margin: 0 auto 18px; border-radius: 50%; background: var(--nx-bg); color: var(--nx-primary); display: flex; align-items: center; justify-content: center; font-size: 30px; transition: var(--nx-transition); position: relative; }
.nx-step:hover .nx-step__icon { background: var(--nx-primary); color: #fff; }
.nx-step__icon::after { content: attr(data-num); position: absolute; top: -6px; right: -6px; width: 26px; height: 26px; border-radius: 50%; background: var(--nx-accent); color: #fff; font-size: 12px; display: flex; align-items: center; justify-content: center; }
.nx-step h4 { margin: 0 0 6px; font-size: 16px; color: #333; }
.nx-step span { font-size: 12px; color: #9aa3ad; letter-spacing: 1px; }
.nx-step:not(:last-child)::before { content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: -17px; top: 50%; transform: translateY(-50%); color: #c6ced8; font-size: 14px; z-index: 2; }

/* ========================================================================
   新闻中心
   ======================================================================== */
.nx-news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.nx-news { background: #fff; border: 1px solid var(--nx-border); border-radius: var(--nx-radius); overflow: hidden; transition: var(--nx-transition); display: flex; flex-direction: column; }
.nx-news:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); }
.nx-news__media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--nx-bg); }
.nx-news__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.nx-news:hover .nx-news__media img { transform: scale(1.08); }
.nx-news__date { position: absolute; left: 14px; top: 14px; background: rgba(255, 255, 255, .92); color: var(--nx-primary); border-radius: 6px; padding: 6px 10px; text-align: center; line-height: 1.2; }
.nx-news__date strong { display: block; font-size: 20px; }
.nx-news__date span { font-size: 11px; color: var(--nx-text-light); }
.nx-news__body { padding: 20px 20px 24px; flex: 1; display: flex; flex-direction: column; }
.nx-news__body h3 { margin: 0 0 10px; font-size: 16px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nx-news__body h3 a { color: #333; transition: color .25s; }
.nx-news__body h3 a:hover { color: var(--nx-primary); }
.nx-news__body p { margin: 0 0 16px; font-size: 13.5px; color: var(--nx-text-light); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.nx-news__more { margin-top: auto; font-size: 13px; color: var(--nx-primary); display: inline-flex; align-items: center; gap: 6px; }
.nx-news__more i { transition: transform .3s; }
.nx-news:hover .nx-news__more i { transform: translateX(5px); }

/* ========================================================================
   获取在线报价（留言表单）
   ======================================================================== */
.nx-quote { padding: 80px 0; background: #fff; }
.msg-form { width: 100%; margin: 0 auto; background: #fff; border: 1px solid var(--nx-border); border-radius: 16px; padding: 40px 44px 44px; box-shadow: 0 18px 44px rgba(17, 97, 192, .10); border-top: 4px solid var(--nx-primary); }
.msg-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
@media (min-width: 1025px) {
  .msg-form--4col .form-row { grid-template-columns: repeat(4, 1fr); }
}
.msg-form .form-row--2 { grid-template-columns: 1fr 1fr; margin-top: 2px; }
@media (min-width: 1025px) {
  .nx-quote .msg-form .form-row { grid-template-columns: repeat(4, 1fr); }
  .nx-quote .msg-form .form-row--2 { grid-template-columns: repeat(4, 1fr); }
  .nx-quote .msg-form .form-row--2 .form-group { grid-column: span 2; }
  .nx-quote .msg-form .captcha-img { width: 132px; height: 40px; }
}
.msg-form .form-group { display: flex; flex-direction: column; margin-bottom: 20px; }
.msg-form label { font-size: 14px; font-weight: 600; color: #333; margin-bottom: 8px; }
.msg-form label span { color: var(--nx-accent); }
.msg-form input, .msg-form select, .msg-form textarea { width: 100%; padding: 12px 14px; border: 1px solid #e3e9f2; border-radius: 8px; font-size: 14px; font-family: inherit; color: #333; background: #f8fafd; transition: border-color .25s, box-shadow .25s, background .25s; }
.msg-form input::placeholder, .msg-form textarea::placeholder { color: #a5afbd; }
.msg-form input:hover, .msg-form select:hover, .msg-form textarea:hover { border-color: #c6d4e8; }
.msg-form input:focus, .msg-form select:focus, .msg-form textarea:focus { outline: none; border-color: var(--nx-primary); background: #fff; box-shadow: 0 0 0 3px rgba(17, 97, 192, .12); }
.msg-form textarea { min-height: 130px; resize: vertical; }
.msg-form select { cursor: pointer; }
.msg-form .captcha-row { display: flex; align-items: center; gap: 12px; }
.msg-form .captcha-input { flex: 1; }
.msg-form .captcha-img { height: 45px; border-radius: 8px; cursor: pointer; border: 1px solid #e3e9f2; background: #fff; }
.msg-form .form-submit { display: flex; gap: 14px; margin-top: 6px; padding-top: 22px; border-top: 1px dashed var(--nx-border); }
.msg-form .btn-submit { display: inline-flex; align-items: center; gap: 8px; padding: 13px 38px; background: var(--nx-primary); color: #fff; border: 0; border-radius: 30px; font-size: 15px; cursor: pointer; font-family: inherit; transition: var(--nx-transition); }
.msg-form .btn-submit:hover { background: var(--nx-accent); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(237, 112, 32, .3); }
.msg-form .btn-reset { padding: 13px 32px; background: #f3f5f8; color: #666; border: 1px solid var(--nx-border); border-radius: 30px; font-size: 15px; cursor: pointer; font-family: inherit; transition: var(--nx-transition); }
.msg-form .btn-reset:hover { color: var(--nx-primary); border-color: var(--nx-primary); }

/* ========================================================================
   留言板：左联系方式 / 右在线留言
   ======================================================================== */
.contact-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 30px; align-items: start; }
.contact-info { position: sticky; top: 100px; background: linear-gradient(160deg, var(--nx-primary) 0%, #0d4b96 100%); color: #fff; border-radius: 16px; padding: 38px 34px; box-shadow: 0 18px 44px rgba(17, 97, 192, .18); }
.contact-info__title { font-size: 24px; margin: 0 0 12px; position: relative; padding-bottom: 14px; }
.contact-info__title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 48px; height: 3px; border-radius: 2px; background: var(--nx-accent); }
.contact-info__desc { font-size: 14px; line-height: 1.8; opacity: .9; margin: 0 0 26px; }
.contact-info__list { list-style: none; margin: 0; padding: 0; }
.contact-info__list li { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.contact-info__list li:last-child { border-bottom: 0; }
.contact-info__ico { flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .15); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.contact-info__list li div { display: flex; flex-direction: column; gap: 4px; }
.contact-info__list strong { font-size: 14px; opacity: .85; font-weight: 600; }
.contact-info__list span { font-size: 15px; line-height: 1.5; word-break: break-all; }
.contact-form__title { font-size: 26px; color: var(--nx-primary-dark); margin: 0 0 18px; }
.msg-tips { display: flex; align-items: flex-start; gap: 10px; background: #eef4fc; border: 1px solid #d6e4f6; color: #4a6b95; border-radius: 10px; padding: 12px 16px; margin-bottom: 24px; font-size: 14px; line-height: 1.6; }
.msg-tips i { color: var(--nx-primary); margin-top: 3px; }
.msg-tips p { margin: 0; }

/* 自定义提交结果弹窗（此前缺失样式，此处补齐） */
.custom-toast-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, .5); display: flex; align-items: center; justify-content: center; z-index: 3000; opacity: 0; visibility: hidden; transition: all .3s; }
.custom-toast-overlay.active { opacity: 1; visibility: visible; }
.custom-toast { position: relative; width: 340px; max-width: 90%; background: #fff; border-radius: 16px; padding: 38px 30px 30px; text-align: center; box-shadow: 0 20px 60px rgba(0, 0, 0, .25); transform: translateY(20px); transition: transform .3s; }
.custom-toast-overlay.active .custom-toast { transform: translateY(0); }
.custom-toast-close { position: absolute; top: 12px; right: 16px; border: 0; background: none; font-size: 24px; color: #bbb; cursor: pointer; line-height: 1; }
.custom-toast-close:hover { color: #888; }
.custom-toast-icon { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 34px; color: #fff; }
.custom-toast-icon.success { background: #2ecc71; }
.custom-toast-icon.fail { background: #ef4444; }
.custom-toast-title { font-size: 20px; font-weight: 700; color: #333; margin-bottom: 10px; }
.custom-toast-text { font-size: 14px; color: #777; line-height: 1.7; margin-bottom: 24px; }
.custom-toast-btn { padding: 11px 36px; border: 0; border-radius: 30px; background: var(--nx-primary); color: #fff; font-size: 15px; cursor: pointer; font-family: inherit; transition: background .25s; }
.custom-toast-btn:hover { background: var(--nx-accent); }

/* ========================================================================
   页脚（深色科技感 · 升级美化）
   ======================================================================== */
.footer { position: relative; background: linear-gradient(160deg, #0d2440 0%, #0a1b33 50%, #071426 100%); color: #aebad0; margin-top: 0; overflow: hidden; }
/* 顶部品牌渐变装饰线 */
.footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--nx-primary) 0%, var(--nx-accent) 50%, var(--nx-primary) 100%); z-index: 1; }
/* 右上柔光 */
.footer::after { content: ""; position: absolute; right: -140px; top: -140px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(17, 97, 192, .18) 0%, transparent 68%); pointer-events: none; }
/* 左下柔光 */
.footer .container::before { content: ""; position: absolute; left: -180px; bottom: -180px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(192, 57, 43, .10) 0%, transparent 68%); pointer-events: none; }
.footer .container { width: 100%; max-width: 1400px; margin: 0 auto; position: relative; z-index: 2; }

.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 52px; padding: 72px 20px 52px; }

/* 标题 */
.footer h4 { color: #fff; font-size: 16px; margin: 0 0 26px; position: relative; padding-bottom: 14px; letter-spacing: 1px; font-weight: 600; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--nx-accent), #e67e22); transition: width .4s ease; }
.footer h4:hover::after { width: 56px; }

/* LOGO 区 */
.footer__about .logo { display: inline-block; background: #fff; border-radius: 10px; padding: 10px 22px; box-shadow: 0 6px 22px rgba(0, 0, 0, .3); transition: transform .4s; }
.footer__about .logo:hover { transform: translateY(-4px); }
.footer__about .logo img { max-height: 48px; margin-bottom: 0; display: block; }
.footer__about p { font-size: 13.5px; line-height: 1.9; margin: 20px 0 18px; color: #8fa2bf; }

/* 空字段兜底：没填内容就不占位 */
.footer__social:empty { display: none; }
.footer__about p:empty { display: none; }
.footer__contact li span { flex: 1; }

/* 页脚二级栏目（已停用） */
.footer__links > li { margin-bottom: 14px; }

/* 内页子栏目导航（清爽下划线式） */
.page-subnav { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 40px; max-width: 1400px; margin: 0 auto; padding: 40px 20px 0; border-bottom: 1px solid #e8ecf3; }
.page-subnav a { position: relative; padding: 14px 6px 18px; font-size: 16.5px; color: #5f6773; transition: color .25s; }
.page-subnav a::after { content: ""; position: absolute; left: 50%; bottom: -1px; transform: translateX(-50%); width: 0; height: 3px; border-radius: 3px; background: var(--nx-accent); transition: width .3s; }
.page-subnav a:hover { color: var(--nx-primary); }
.page-subnav a.active { color: var(--nx-primary); font-weight: 600; }
.page-subnav a.active::after { width: 100%; }
@media (max-width: 576px) { .page-subnav { gap: 0 22px; padding: 30px 16px 0; } .page-subnav a { font-size: 14.5px; padding: 11px 4px 14px; } }

/* 社交按钮 */
.footer__social { display: flex; flex-wrap: wrap; gap: 10px; position: relative; }
.footer__social-link { position: relative; width: 38px; height: 38px; border-radius: 50%; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); color: #cdd8ea; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: all .35s cubic-bezier(.25, .8, .25, 1); }
.footer__social-link:hover { background: var(--nx-accent); border-color: var(--nx-accent); color: #fff; transform: translateY(-4px); box-shadow: 0 8px 18px rgba(192, 57, 43, .4); }
.footer__social-tip { position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%); background: #fff; color: #333; font-size: 12px; padding: 5px 10px; border-radius: 5px; white-space: nowrap; opacity: 0; visibility: hidden; transition: all .3s; z-index: 5; pointer-events: none; }
.footer__social-link:hover .footer__social-tip { opacity: 1; visibility: visible; }

/* 链接列表 */
.footer__links li { margin-bottom: 14px; }
.footer__links a { display: inline-flex; align-items: center; font-size: 14px; color: #aebad0; transition: all .3s; position: relative; padding-left: 0; }
.footer__links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 11px; color: var(--nx-accent); margin-right: 0; margin-left: -14px; opacity: 0; transition: all .3s; }
.footer__links a:hover { color: #fff; padding-left: 16px; }
.footer__links a:hover::before { opacity: 1; margin-right: 8px; margin-left: 0; }

/* 联系方式 */
.footer__contact li { display: flex; gap: 14px; font-size: 14px; margin-bottom: 16px; line-height: 1.6; align-items: flex-start; transition: color .3s; }
.footer__contact li:hover { color: #fff; }
.footer__contact i { width: auto; height: auto; border-radius: 0; background: none; border: 0; color: var(--nx-accent); font-size: 15px; flex-shrink: 0; margin-top: 2px; transition: color .3s; }
.footer__contact li:hover i { color: #e67e22; }

/* 底部版权条 */
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); background: rgba(0, 0, 0, .28); padding: 18px 0; font-size: 13px; color: #8fa2bf; }
.footer__bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer__bottom p { margin: 0; }
.footer__bottom .pay a { color: #8fa2bf; margin-left: 14px; transition: color .25s; }
.footer__bottom .pay a:hover { color: #fff; }

/* 返回顶部 */
.totop { position: fixed; right: 26px; bottom: 90px; z-index: 900; width: 46px; height: 46px; border-radius: 50%; background: var(--nx-primary); color: #fff; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all .35s cubic-bezier(.25, .8, .25, 1); box-shadow: 0 8px 24px rgba(15, 76, 156, .4); }
.totop.show { opacity: 1; visibility: visible; }
.totop:hover { background: var(--nx-accent); transform: translateY(-4px); box-shadow: 0 12px 28px rgba(192, 57, 43, .45); }
/* ========================================================================
   移动端适配
   ======================================================================== */
@media (max-width: 1200px) {
  .nx-menu__item > a { padding: 10px 11px; }
  .nx-hero__caption h2 { font-size: 42px; }
  .nx-process { grid-template-columns: repeat(3, 1fr); }
  .nx-step:not(:last-child)::before { display: none; }
  .nx-news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
  .nx-header__inner { height: 84px; }
  /* 平板：导航仍横向，仅压缩间距以容纳 */
  .nx-menu__item > a { padding: 10px 9px; }

  .nx-hero__swiper { height: 400px; }
  @media (max-width: 576px) { .nx-hero__swiper { height: 220px; } }
  .nx-hero__caption h2 { font-size: 32px; }
  .nx-hero__caption p { font-size: 16px; }
  .nx-hero__arrow { display: none; }
  .nx-section { padding: 56px 0; }
  .nx-sec-head h2 { font-size: 27px; }
  .nx-features { grid-template-columns: 1fr 1fr; gap: 18px; }
  .nx-about { grid-template-columns: 1fr; gap: 60px; }
  .nx-about__media .main img { height: 320px; }
  .nx-about__exp { left: 14px; bottom: -24px; padding: 14px 18px; }
  .nx-about__exp strong { font-size: 30px; }
  .nx-stats { grid-template-columns: repeat(2, 1fr); }
  .nx-prod-wrap { grid-template-columns: 1fr; gap: 22px; }
  .nx-cats { position: static; }
  .nx-cats { display: flex; flex-wrap: wrap; flex-direction: row; height: auto; }
  .nx-cats__title { width: 100%; flex: 0 0 auto; }
  .nx-cats > li { display: block; flex: 1 1 33.33%; }
  .nx-cats > li a { padding-top: 12px; padding-bottom: 12px; }
  .nx-cats li a { justify-content: center; border-right: 1px solid var(--nx-border); padding: 12px 8px !important; font-size: 13.5px; }
  .nx-cats li a i { display: none; }
  .nx-cats li.active a { border-left: 0; border-bottom: 2px solid var(--nx-accent); }
  .nx-prod-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .nx-video-carousel { padding: 0 52px; }
  .nx-video-arrow { width: 40px; height: 40px; font-size: 14px; }
  .nx-video-card__play { width: 70px; height: 70px; font-size: 24px; }
  .nx-strength { grid-template-columns: 1fr; gap: 26px; padding: 34px 0; }
  .nx-strength .nx-strength__media, .nx-strength .nx-strength__body,
  .nx-strength:nth-child(even) .nx-strength__media, .nx-strength:nth-child(even) .nx-strength__body { transform: translateY(36px); }
  .nx-strength.in .nx-strength__media, .nx-strength.in .nx-strength__body { transform: translateY(0); }
  .nx-strength:nth-child(even) .nx-strength__media { order: 0; }
  .nx-strength__media img { height: 240px; }
  .nx-strength__num { font-size: 48px; }
  .nx-strength__body h3 { font-size: 21px; }
  .nx-process { grid-template-columns: repeat(2, 1fr); }
  .msg-form { padding: 26px 20px 30px; border-top-width: 3px; }
  .msg-form .form-row { grid-template-columns: repeat(2, 1fr); gap: 0 14px; }
  .msg-form .form-row--2 { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 30px; padding: 48px 20px 36px; }
}
@media (max-width: 576px) {
  .nx-logo img { max-height: 42px; }
  .lang-btn { padding: 7px 10px; font-size: 13px; }
  .nx-hero__caption h2 { font-size: 25px; letter-spacing: 0; }
  .nx-hero__caption p { font-size: 14px; margin-bottom: 20px; }
  .nx-section { padding: 44px 0; }
  .nx-sec-head { margin-bottom: 32px; }
  .nx-sec-head h2 { font-size: 23px; }
  .nx-features { grid-template-columns: 1fr; }
  .nx-stats { gap: 10px; }
  .nx-stat strong { font-size: 26px; }
  .nx-cats > li { flex: 1 1 50%; }
  .nx-prod-grid { grid-template-columns: 1fr 1fr; }
  .nx-prod__body { padding: 10px 10px 14px; }
  .nx-prod__body h3 { font-size: 13px; }
  .nx-video-carousel { padding: 0 42px; }
  .nx-video-arrow { width: 36px; height: 36px; font-size: 13px; }
  .nx-video-card__play { width: 60px; height: 60px; font-size: 20px; }
  .nx-process { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .nx-step { padding: 24px 10px 18px; }
  .nx-step__icon { width: 58px; height: 58px; font-size: 24px; }
  .nx-news-grid { grid-template-columns: 1fr; }
  .msg-form .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom .container { justify-content: center; text-align: center; }
  .totop { right: 14px; bottom: 70px; width: 40px; height: 40px; }
}

/* ========================================================================
   真·手机端（≤768px）：汉堡抽屉导航
   ======================================================================== */
@media (max-width: 768px) {
  .nx-burger { display: flex; }
  /* 抽屉导航 */
  .nx-nav { position: fixed; top: 0; right: 0; width: 300px; height: 100vh; background: #fff; z-index: 2000; transform: translateX(100%); visibility: hidden; transition: transform .35s ease, visibility .35s; overflow-y: auto; -webkit-overflow-scrolling: touch; box-shadow: -8px 0 30px rgba(0, 0, 0, .15); padding: 20px 0 40px; will-change: transform; }
  .nx-nav.open { transform: translateX(0); visibility: visible; }
  .nx-nav__mask { position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 1900; opacity: 0; visibility: hidden; transition: all .35s; }
  .nx-nav__mask.show { opacity: 1; visibility: visible; }
  .nx-menu { flex-direction: column; align-items: stretch; gap: 0; }
  .nx-menu__item > a { flex-direction: row; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--nx-border); }
  .nx-menu__item > a .en { display: block; order: 0; font-size: 15px; }
  .nx-menu__item > a .zh { display: none; }
  .nx-menu__item > a::after { display: none; }
  .nx-menu__item.active > a { color: var(--nx-primary); }
  .nx-sub { position: static; left: auto; transform: none; opacity: 1; visibility: visible; box-shadow: none; border-radius: 0; min-width: 0; padding: 0; background: #f5f7fa; border-left: 3px solid var(--nx-primary); display: none; max-height: 0; overflow: hidden; transition: max-height .35s ease; }
  .nx-sub::before { display: none; }
  /* 触屏点击后残留 :hover 会触发桌面下拉的 translate(-50%)，这里强制归零 */
  .nx-menu__item:hover .nx-sub { transform: none; opacity: 1; visibility: visible; }
  .nx-menu__item.sub-open .nx-sub { display: block; max-height: 600px; }
  .nx-menu__item > a .fa-angle-down { display: inline-block; order: 2; position: static; margin-left: 12px; font-size: 13px; }
  .nx-menu__item:hover > a .fa-angle-down { transform: translateY(-50%) rotate(0deg); }
  .nx-menu__item.sub-open > a .fa-angle-down { transform: translateY(-50%) rotate(180deg); }
  .nx-sub li a { position: relative; display: block; padding: 12px 24px 12px 40px; font-size: 14px; color: #444; border-bottom: 1px solid rgba(0,0,0,.04); transition: all .25s; }
  .nx-sub li a::before { content: ""; position: absolute; left: 26px; top: 50%; transform: translateY(-50%); width: 5px; height: 5px; border-radius: 50%; background: var(--nx-primary); opacity: .6; }
  .nx-sub li a:hover { background: #e8ecf1; color: var(--nx-primary); padding-left: 44px; }
  .nx-menu__item > a.has-sub { cursor: pointer; }
  .nx-nav__close { display: flex !important; }
  .nx-hero__arrow { display: none; }
}

/* ========================================================================
   电脑端（≥769px）：强制横向导航，防止任何注入样式把它改成竖排
   ======================================================================== */
@media (min-width: 769px) {
  .nx-nav { display: block !important; position: static !important; width: auto !important; height: auto !important; right: auto !important; transform: none !important; visibility: visible !important; background: transparent !important; box-shadow: none !important; padding: 0 !important; overflow: visible !important; }
  .nx-menu { display: flex !important; flex-direction: row !important; flex-wrap: nowrap; align-items: center; justify-content: center; gap: 0; }
  .nx-menu__item { display: block !important; }
  .nx-menu__item > a { flex-direction: column !important; align-items: center; justify-content: center; white-space: nowrap; border-bottom: 0 !important; padding: 10px 18px !important; }
  .nx-menu__item > a .en { display: block !important; }
  .nx-sub { position: absolute !important; display: block !important; max-height: none !important; overflow: visible !important; }
}

/* ========================================================================
   内页通用（栏目大图 Banner + 居中单列，全站去左侧栏）
   ======================================================================== */
.container { width: 100%; max-width: 1400px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
/* 栏目大图 Banner */
.page-hero { position: relative; height: 340px; background-size: cover; background-position: center; display: flex; align-items: flex-end; }
.page-hero__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 30, 62, .55) 0%, rgba(6, 30, 62, .3) 45%, rgba(6, 30, 62, .72) 100%); }
.page-hero__inner { position: relative; z-index: 2; width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 20px 46px; color: #fff; }
.page-hero__crumb { display: flex; align-items: center; gap: 10px; list-style: none; margin: 0 0 14px; padding: 0; font-size: 14px; }
.page-hero__crumb a { color: rgba(255, 255, 255, .8); transition: color .25s; }
.page-hero__crumb a:hover { color: #fff; }
.page-hero__crumb .delimiter { color: rgba(255, 255, 255, .45); }
.page-hero__crumb .current { color: #fff; font-weight: 600; }
.page-hero__title { font-size: 40px; margin: 0 0 8px; letter-spacing: 2px; text-shadow: 0 4px 20px rgba(0, 0, 0, .35); }
.page-hero__sub { margin: 0; font-size: 15px; opacity: .85; letter-spacing: 1px; text-transform: uppercase; }
/* 旧版面包屑容器 → 同款大图 Banner（其他内页自动生效） */
.breadcrumb-container { position: relative; height: 280px; background: #0d4b96 url(/static/upload/image/20260830/1788098656373280.webp) center / cover no-repeat; display: flex; align-items: flex-end; }
.breadcrumb-container::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 30, 62, .55) 0%, rgba(6, 30, 62, .3) 45%, rgba(6, 30, 62, .72) 100%); }
.breadcrumb-container .container { position: relative; z-index: 2; padding-bottom: 40px; }
.breadcrumb { display: flex; align-items: center; gap: 10px; list-style: none; margin: 0; padding: 0; font-size: 15px; color: rgba(255, 255, 255, .85); }
.breadcrumb a { color: rgba(255, 255, 255, .85); transition: color .25s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .delimiter { color: rgba(255, 255, 255, .45); }
.breadcrumb .current { color: #fff; font-weight: 600; font-size: 17px; }
/* 单列布局：彻底去掉左侧栏 */
.shop { padding: 0 0 80px; }
.shop__wrap { display: block !important; }
.shop__side { display: none !important; }
.shop__main { width: 100% !important; max-width: 1400px; margin: 0 auto; }

/* ========================================================================
   产品列表：左分类 / 右产品
   ======================================================================== */
.pwrap { display: grid; grid-template-columns: 260px 1fr; gap: 30px; align-items: start; }
.pside { position: sticky; top: 100px; }
.widget { background: #fff; border: 1px solid var(--nx-border); border-radius: 12px; padding: 22px 22px 24px; margin-bottom: 20px; }
.widget__title { font-size: 17px; color: var(--nx-primary-dark); margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--nx-border); position: relative; }
.widget__title::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 40px; height: 3px; border-radius: 2px; background: var(--nx-accent); }
.widget-categories ul { list-style: none; margin: 0; padding: 0; }
.widget-categories li a { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: 8px; color: #555; font-size: 14.5px; transition: all .25s; }
.widget-categories li a:hover { background: #f2f6fc; color: var(--nx-primary); }
.widget-categories li.active a { background: var(--nx-primary); color: #fff; }
.widget-categories .count { font-size: 12px; color: #999; background: #f0f3f7; padding: 2px 9px; border-radius: 20px; }
.widget-categories li.active a .count { color: rgba(255, 255, 255, .85); background: rgba(255, 255, 255, .2); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: #fff; border: 1px solid var(--nx-border); border-radius: 12px; overflow: hidden; transition: all .3s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); border-color: rgba(17, 97, 192, .2); }
.product-card__media { overflow: hidden; aspect-ratio: 4 / 3; background: var(--nx-bg); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .product-card__media img { transform: scale(1.08); }
.product-card__title { padding: 16px 18px; text-align: center; font-size: 15.5px; color: #333; transition: color .25s; line-height: 1.5; }
.product-card:hover .product-card__title { color: var(--nx-primary); }

/* 页面标题 */
.page-title { text-align: center; padding: 56px 0 36px; }
.page-title__text { font-size: 34px; color: var(--nx-primary-dark); margin: 0 0 10px; position: relative; display: inline-block; padding-bottom: 16px; }
.page-title__text::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 56px; height: 3px; border-radius: 2px; background: var(--nx-accent); }
.page-title__sub { margin: 0; font-size: 15px; color: var(--nx-text-light); }
/* 正文排版 */
.page-body { padding: 60px 20px 80px; }
.about-content { font-size: 15px; color: #444; line-height: 2; }
.about-content p { margin: 0 0 16px; text-align: justify; }
.about-content img { max-width: 100%; height: auto; display: block; border-radius: 12px; margin: 12px auto; box-shadow: 0 10px 30px rgba(17, 97, 192, .12); }
.about-content h1, .about-content h2, .about-content h3, .about-content h4 { color: var(--nx-primary-dark); margin: 30px 0 14px; }
.about-content strong, .about-content b { color: var(--nx-primary); }
.about-content a { color: var(--nx-primary); }
.about-content ul, .about-content ol { padding-left: 22px; margin: 0 0 16px; }
.about-content table { width: 100%; border-collapse: collapse; margin: 0 0 16px; }
.about-content table td, .about-content table th { border: 1px solid var(--nx-border); padding: 10px 12px; }

/* ========================================================================
   文章详情页（关于我们同款布局）
   ======================================================================== */
.article { width: 100%; }
.detail-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding: 18px 0; margin-bottom: 4px; color: #999; font-size: 14px; border-bottom: 1px solid var(--nx-border); }
.detail-meta .tag { color: #fff; background: var(--nx-primary); padding: 4px 14px; border-radius: 20px; font-size: 13px; }
.detail-meta i { margin-right: 6px; color: var(--nx-primary); }
.detail-meta .news-read-time strong { color: var(--nx-accent); }
.detail-title { margin: 0 0 20px; font-size: 28px; line-height: 1.5; color: var(--nx-primary-dark); }
@media (max-width: 768px) { .detail-title { font-size: 22px; } }
.detail-body { font-size: 16px; color: #444; line-height: 2.1; margin-top: 20px; }
.detail-body p { margin: 0 0 18px; text-align: justify; }
.detail-body img { max-width: 100%; height: auto; display: block; border-radius: 12px; margin: 16px auto; box-shadow: 0 10px 30px rgba(17, 97, 192, .12); }
.detail-body h1, .detail-body h2, .detail-body h3, .detail-body h4 { color: var(--nx-primary-dark); margin: 30px 0 14px; }
.detail-body strong, .detail-body b { color: var(--nx-primary); }
.detail-body a { color: var(--nx-primary); }
.detail-body ul, .detail-body ol { padding-left: 22px; margin: 0 0 16px; }
.detail-body table { width: 100%; border-collapse: collapse; margin: 0 0 16px; }
.detail-body table td, .detail-body table th { border: 1px solid var(--nx-border); padding: 10px 12px; }
.detail-tags { margin: 30px 0 0; padding-top: 22px; border-top: 1px solid var(--nx-border); color: #666; font-size: 14px; }
.detail-tag-item { display: inline-block; margin: 0 8px 8px 0; }
.detail-tag-item a { display: inline-block; padding: 5px 14px; background: var(--nx-bg); border: 1px solid var(--nx-border); border-radius: 20px; color: #666; transition: all .25s; }
.detail-tag-item a:hover { color: #fff; background: var(--nx-primary); border-color: var(--nx-primary); }
.detail-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 14px; padding: 24px 0; border-top: 1px solid var(--nx-border); }
.detail-nav a { display: flex; align-items: center; gap: 10px; color: #555; flex: 1; min-width: 0; transition: color .25s; }
.detail-nav a.next { justify-content: flex-end; text-align: right; }
.detail-nav a:hover { color: var(--nx-primary); }
.detail-nav .nav-title { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.detail-nav i { color: var(--nx-primary); flex-shrink: 0; }

/* ========================================================================
   新闻列表（一行 2 个，左图右文）
   ======================================================================== */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.post-card { display: flex; flex-direction: row; background: #fff; border: 1px solid var(--nx-border); border-radius: 12px; overflow: hidden; transition: all .3s; }
.post-card:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(17, 97, 192, .12); border-color: rgba(17, 97, 192, .2); }
.post-card__media { width: 42%; min-width: 200px; aspect-ratio: 5 / 3; align-self: center; overflow: hidden; background: var(--nx-bg); }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.post-card:hover .post-card__media img { transform: scale(1.06); }
.post-card__body { flex: 1; padding: 20px 22px; display: flex; flex-direction: column; justify-content: center; }
.post-card__title { margin: 0 0 10px; font-size: 17px; line-height: 1.5; color: #333; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card__desc { margin: 0 0 12px; font-size: 13.5px; color: #666; line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card__date { font-size: 12.5px; color: #999; }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 50px; flex-wrap: wrap; }
.page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid var(--nx-border); border-radius: 8px; color: #555; background: #fff; transition: all .25s; font-size: 14px; }
.page-numbers:hover { border-color: var(--nx-primary); color: var(--nx-primary); }
.page-numbers.current { background: var(--nx-primary); border-color: var(--nx-primary); color: #fff; font-weight: 600; }
.page-numbers.disabled { color: #bbb; border-color: #eee; pointer-events: none; background: #fafafa; }
.pagination .page-num { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid var(--nx-border); border-radius: 8px; color: #555; background: #fff; transition: all .25s; font-size: 14px; }
.pagination a.page-num:hover { border-color: var(--nx-primary); color: var(--nx-primary); }
.pagination .page-num-current { background: var(--nx-primary); border-color: var(--nx-primary); color: #fff; font-weight: 600; }
.pagination span.page-num { border: 0; background: none; color: #999; }

@media (max-width: 768px) {
  .page-hero { height: 240px; }
  .page-hero__title { font-size: 30px; }
  .breadcrumb-container { height: 200px; }
  .post-grid { grid-template-columns: 1fr; }
  .post-card__body { padding: 22px; }
  .post-card__title { font-size: 16.5px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 22px; }
  .pwrap { grid-template-columns: 1fr; gap: 22px; }
  .pside { position: static; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
  .post-card { flex-direction: column; }
  .post-card__media { width: 100%; min-width: 0; aspect-ratio: 16 / 9; }
  .post-card__body { padding: 16px; }
  .post-card__title { font-size: 16px; margin-bottom: 8px; }
  .post-card__desc { -webkit-line-clamp: 2; }
  .product-grid { grid-template-columns: 1fr; }
}

/* ========================================================================
   案例列表（缩略图网格）
   ======================================================================== */
.page-body { padding: 60px 0 80px; }
.nx-case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.nx-case-card { display: block; background: #fff; border: 1px solid var(--nx-border); border-radius: var(--nx-radius); overflow: hidden; text-decoration: none; color: inherit; transition: transform .35s, box-shadow .35s, border-color .35s; }
.nx-case-card:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-case-card__media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--nx-bg); }
.nx-case-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s ease; }
.nx-case-card:hover .nx-case-card__media img { transform: scale(1.08); }
.nx-case-card__zoom { position: absolute; inset: 0; background: rgba(11, 58, 120, 0); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 28px; opacity: 0; transition: background .35s, opacity .35s; }
.nx-case-card:hover .nx-case-card__zoom { background: rgba(11, 58, 120, .35); opacity: 1; }
.nx-case-card__body { padding: 18px 20px 22px; }
.nx-case-card__tag { display: inline-block; font-size: 12px; color: var(--nx-accent); background: rgba(192, 57, 43, .1); padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.nx-case-card__body h3 { margin: 0; font-size: 15px; color: #333; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-weight: 600; transition: color .25s; }
.nx-case-card:hover .nx-case-card__body h3 { color: var(--nx-primary); }

/* 分页 */
.nx-pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 50px; }
.nx-pagination a, .nx-pagination span { min-width: 40px; height: 40px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--nx-border); background: #fff; color: #555; border-radius: 6px; font-size: 14px; transition: all .25s; text-decoration: none; }
.nx-pagination a:hover { background: var(--nx-primary); color: #fff; border-color: var(--nx-primary); }
.nx-pagination .disabled { color: #bbb; background: #f7f9fc; cursor: not-allowed; }
.nx-pagination .current { background: var(--nx-primary); color: #fff; border-color: var(--nx-primary); }

/* ========================================================================
   Lightbox（弹窗大图浏览）
   ======================================================================== */
.nx-lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(5, 10, 20, .92); display: flex; align-items: center; justify-content: center; padding: 40px; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; overflow: visible; }
.nx-lightbox.open { opacity: 1; visibility: visible; }
.nx-lightbox__close { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: #fff; font-size: 20px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .25s; z-index: 6; }
.nx-lightbox__close:hover { background: var(--nx-accent); border-color: var(--nx-accent); }
.nx-lightbox__swiper { width: 100%; max-width: 1100px; height: 80vh; }
.nx-lightbox .swiper-slide { display: flex; align-items: center; justify-content: center; }
.nx-lightbox .swiper-slide img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 4px; }
.nx-lightbox__swiper { position: relative; }
.nx-lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; background: rgba(0,0,0,.4); border: 1px solid rgba(255,255,255,.3); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; cursor: pointer; transition: all .25s; z-index: 10; user-select: none; backdrop-filter: blur(4px); }
.nx-lightbox__nav:hover { background: var(--nx-accent); border-color: var(--nx-accent); transform: translateY(-50%) scale(1.08); }
.nx-lightbox__nav.prev { left: 20px; }
.nx-lightbox__nav.next { right: 20px; }
.nx-lightbox__caption { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.85); font-size: 14px; display: flex; align-items: center; justify-content: center; gap: 20px; z-index: 5; }
.nx-lightbox__count { color: rgba(255,255,255,.5); font-size: 13px; }
.nx-lightbox__more { color: var(--nx-accent); font-size: 13px; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; opacity: 0; pointer-events: none; transition: opacity .25s; }
.nx-lightbox__more.show { opacity: 1; pointer-events: auto; }
.nx-lightbox__more:hover { color: #fff; }

/* 移动端 */
@media (max-width: 1200px) {
  .nx-case-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
  .nx-case-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .nx-lightbox { padding: 20px; overflow: visible; }
  .nx-lightbox__nav.prev { left: 6px; }
  .nx-lightbox__nav.next { right: 6px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .nx-case-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .nx-lightbox__caption { flex-wrap: wrap; gap: 8px; font-size: 13px; }
}

/* ========================================================================
   产品详情（上：左图集+右简介 / 下：详细介绍）
   ======================================================================== */
.nx-product { display: grid; grid-template-columns: minmax(0, calc(50% - 90px)) minmax(0, 1fr); gap: 50px; align-items: start; padding-bottom: 50px; container-type: inline-size; }

/* 左：图集 */
.nx-product__gallery { position: sticky; top: 100px; }
.nx-gallery-top { width: 100%; aspect-ratio: 1/1; max-height: 600px; border-radius: 14px; overflow: hidden; background: #f5f7fa; box-shadow: var(--nx-shadow); position: relative; }
/* 桌面端：高度 = 当前列宽(50cqw - 90px) - 80px，即宽度不变、精确矮 80px */
@supports (width: 1cqw) {
  .nx-gallery-top { aspect-ratio: auto; height: calc(50cqw - 170px); }
}
.nx-gallery-top .swiper-slide { position: relative; cursor: zoom-in; }
.nx-gallery-top .swiper-slide img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.15) contrast(1.1) brightness(1.02); }
.nx-gallery-zoom { position: absolute; top: 16px; right: 16px; width: 42px; height: 42px; border-radius: 50%; background: rgba(0,0,0,.4); border: 1px solid rgba(255,255,255,.3); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 16px; z-index: 5; transition: all .25s; }
.nx-gallery-zoom:hover { background: var(--nx-accent); border-color: var(--nx-accent); }
.nx-gallery__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; background: rgba(0,0,0,.4); border: 1px solid rgba(255,255,255,.3); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 6; transition: all .25s; }
.nx-gallery__nav:hover { background: var(--nx-accent); border-color: var(--nx-accent); }
.nx-gallery__nav.prev { left: 12px; }
.nx-gallery__nav.next { right: 12px; }
.nx-gallery-thumbs { margin-top: 14px; }
.nx-gallery-thumbs .swiper-slide { aspect-ratio: 1/1; border-radius: 8px; overflow: hidden; cursor: pointer; opacity: .55; transition: opacity .25s, box-shadow .25s; border: 2px solid transparent; }
.nx-gallery-thumbs .swiper-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nx-gallery-thumbs .swiper-slide-thumb-active { opacity: 1; border-color: var(--nx-accent); box-shadow: 0 2px 10px rgba(192,57,43,.25); }

/* 无图占位 */
.nx-gallery-empty { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 14px; height: 360px; background: #f5f7fa; border: 1px dashed var(--nx-border); border-radius: 14px; color: #aab4c2; }
.nx-gallery-empty i { font-size: 44px; }
.nx-gallery-empty span { font-size: 14px; }
.nx-product__gallery.is-empty .swiper { display: none; }
.nx-product__gallery.is-empty .nx-gallery-empty { display: flex; }

/* 右：信息 */
.nx-product__info {
  position: relative;
  background: linear-gradient(180deg, #f3f8fd 0%, #ffffff 240px);
  border: 1px solid #e3ecf6;
  border-radius: 20px;
  padding: 36px 38px;
  box-shadow: 0 18px 44px -20px rgba(17, 97, 192, .28);
  overflow: hidden;
}
.nx-product__info::after {
  content: '';
  position: absolute;
  right: -70px; top: -70px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(17, 97, 192, .12) 0%, rgba(17, 97, 192, 0) 70%);
  pointer-events: none;
}
.nx-product-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: #fff; background: linear-gradient(135deg, var(--nx-primary), #3f8ae0); padding: 6px 16px; border-radius: 20px; margin-bottom: 20px; letter-spacing: 1px; box-shadow: 0 6px 14px -6px rgba(17, 97, 192, .55); }
.nx-product-title { position: relative; font-size: 28px; color: var(--nx-primary-dark); margin: 0 0 12px; line-height: 1.35; font-weight: 700; }
.nx-product-intro { font-size: 14.5px; color: var(--nx-text-light); line-height: 1.9; margin: 0 0 18px; }
.nx-product__info .nx-adv-list { margin: 16px 0 26px; }
.nx-product-sub { font-size: 15px; color: #666; margin: 16px 0 0; }
.nx-product-desc { font-size: 14.5px; color: var(--nx-text-light); line-height: 1.95; margin: 22px 0 26px; padding: 20px 22px; background: #f7fafd; border: 1px solid #e6eef7; border-radius: 14px; }
.nx-product-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: #888; margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px dashed var(--nx-border); }
.nx-product-meta i { color: var(--nx-accent); margin-right: 6px; }
.nx-product-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.nx-product-actions .nx-btn { border-radius: 30px; }
.nx-product-actions .nx-btn--ghost { border-color: var(--nx-primary); color: var(--nx-primary); background: #fff; }
.nx-product-actions .nx-btn--ghost:hover { background: var(--nx-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 20px -10px rgba(17, 97, 192, .5); }

/* 详情 Tab */
.nx-product-detail { border-top: 1px solid var(--nx-border); padding-top: 36px; }
.nx-detail-tabs { display: flex; gap: 8px; margin-bottom: 28px; border-bottom: 1px solid var(--nx-border); }
.nx-detail-tabs button { position: relative; padding: 14px 30px; font-size: 16px; font-weight: 600; color: #666; background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; transition: all .25s; font-family: inherit; }
.nx-detail-tabs button:hover { color: var(--nx-primary); }
.nx-detail-tabs button.active { color: var(--nx-primary); border-bottom-color: var(--nx-accent); }
.nx-detail-panel { font-size: 16px; line-height: 2.1; color: #444; }
.nx-detail-panel p { margin: 0 0 18px; text-align: justify; }
.nx-detail-panel img { max-width: 100%; height: auto; border-radius: 12px; margin: 16px auto; display: block; box-shadow: 0 10px 30px rgba(17, 97, 192, .12); }
.nx-detail-panel h1, .nx-detail-panel h2, .nx-detail-panel h3, .nx-detail-panel h4 { color: var(--nx-primary-dark); margin: 30px 0 14px; }
.nx-detail-panel strong, .nx-detail-panel b { color: var(--nx-primary); }
.nx-detail-panel a { color: var(--nx-primary); }
.nx-detail-panel ul, .nx-detail-panel ol { padding-left: 22px; margin: 0 0 16px; }
.nx-detail-panel table { width: 100%; border-collapse: collapse; margin: 0 0 16px; }
.nx-detail-panel table td, .nx-detail-panel table th { border: 1px solid var(--nx-border); padding: 10px 12px; }

/* 右侧通用：服务优势 */
.nx-product__advantages { position: relative; background: #fff; border: 1px solid #e3ecf6; border-radius: 20px; padding: 28px 30px; box-shadow: 0 14px 34px -20px rgba(17, 97, 192, .28); margin-top: 24px; overflow: hidden; }
.nx-product__advantages { position: relative; background: #fff; border: 1px solid #e3ecf6; border-radius: 20px; padding: 28px 30px; box-shadow: 0 14px 34px -20px rgba(17, 97, 192, .28); margin-top: 24px; overflow: hidden; }
.nx-adv-title { margin: 0 0 20px; font-size: 18px; color: var(--nx-primary-dark); }
.nx-adv-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.nx-adv-list li { display: flex; gap: 12px; align-items: flex-start; padding: 14px 14px; border-radius: 14px; background: #f7fafd; border: 1px solid transparent; transition: all .25s; }
.nx-adv-list li:hover { background: #eef5fc; border-color: #d8e7f6; transform: translateY(-3px); }
.nx-adv-list i { width: 40px; height: 40px; flex-shrink: 0; border-radius: 12px; background: linear-gradient(135deg, rgba(17, 97, 192, .14), rgba(17, 97, 192, .05)); color: var(--nx-primary); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.nx-adv-list strong { display: block; font-size: 15px; color: #333; margin-bottom: 3px; }
.nx-adv-list span { font-size: 13px; color: #888; line-height: 1.55; }

/* 底部通用内容 */
.nx-pro-block { margin-bottom: 32px; }
.nx-pro-block:last-child { margin-bottom: 0; }
.nx-pro-h { font-size: 19px; color: var(--nx-primary-dark); margin: 0 0 16px; padding-left: 14px; border-left: 4px solid var(--nx-accent); line-height: 1.3; }
.nx-pro-ul { list-style: none; margin: 0; padding: 0; }
.nx-pro-ul li { position: relative; padding-left: 26px; margin-bottom: 12px; font-size: 15px; line-height: 1.85; color: #555; }
.nx-pro-ul li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: 2px; color: var(--nx-accent); font-size: 14px; }
.nx-type-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.nx-type-grid span { padding: 9px 20px; background: #f5f7fa; border: 1px solid var(--nx-border); border-radius: 24px; font-size: 14px; color: #556; transition: all .25s; }
.nx-type-grid span:hover { background: var(--nx-primary); border-color: var(--nx-primary); color: #fff; }

/* 通用内容简介 */
.nx-summary-head p { margin-bottom: 14px; }
.nx-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 28px 0 32px; }
.nx-summary-item { background: #fff; border: 1px solid var(--nx-border); border-radius: 12px; padding: 26px 18px 24px; text-align: center; transition: all .25s; }
.nx-summary-item:hover { transform: translateY(-5px); box-shadow: var(--nx-shadow); border-color: var(--nx-primary); }
.nx-summary-item i { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%; background: rgba(17, 97, 192, .08); color: var(--nx-primary); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.nx-summary-item h4 { font-size: 16px; color: var(--nx-primary-dark); margin: 0 0 8px; }
.nx-summary-item p { font-size: 13.5px; color: #777; line-height: 1.7; margin: 0; text-align: center; }

/* 规格参数表 */
.nx-params-list { background: #fff; border: 1px solid var(--nx-border); border-radius: 12px; overflow: hidden; }
.nx-param-row { display: flex; border-bottom: 1px solid var(--nx-border); font-size: 14.5px; }
.nx-param-row:last-child { border-bottom: 0; }
.nx-param-label { width: 160px; flex-shrink: 0; background: #f5f7fa; padding: 14px 20px; color: #666; font-weight: 500; }
.nx-param-value { flex: 1; padding: 14px 22px; color: #333; }

/* 上下篇 */
.nx-detail-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--nx-border); }
.nx-detail-nav > a { display: flex; align-items: center; gap: 14px; padding: 18px 22px; background: #fff; border: 1px solid var(--nx-border); border-radius: 12px; text-decoration: none; color: inherit; transition: all .3s; }
.nx-detail-nav > a:hover { border-color: var(--nx-primary); box-shadow: var(--nx-shadow); transform: translateY(-3px); }
.nx-detail-nav > a.next { justify-content: flex-end; text-align: right; }
.nx-detail-nav i { color: var(--nx-accent); font-size: 16px; flex-shrink: 0; }
.nx-detail-nav span { font-size: 12px; color: #999; display: block; margin-bottom: 4px; }
.nx-detail-nav strong { font-size: 14px; color: #333; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

/* 产品详情响应式 */
@media (max-width: 992px) {
  .nx-product { grid-template-columns: 1fr; gap: 36px; }
  .nx-product__gallery { position: static; }
  .nx-gallery-top { aspect-ratio: 4/3; max-height: none; height: auto; }
  .nx-product-title { font-size: 24px; }
  .nx-detail-nav { grid-template-columns: 1fr; }
  .nx-summary-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .nx-product-title { font-size: 20px; }
  .nx-product__info { padding: 24px 22px; }
  .nx-product-actions .nx-btn { flex: 1; justify-content: center; font-size: 14px; padding: 11px 18px; }
  .nx-detail-tabs button { padding: 12px 18px; font-size: 15px; }
  .nx-param-row { flex-direction: column; }
  .nx-param-label { width: 100%; padding: 10px 20px; }
  .nx-param-value { padding: 10px 20px; }
  .nx-gallery-top { aspect-ratio: 4/3; height: auto; }
  .nx-gallery-empty { height: 280px; }
  .nx-adv-list { grid-template-columns: 1fr; }
  .nx-summary-grid { grid-template-columns: 1fr; }
}

/* 询单弹窗 */
.nx-quote-modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.nx-quote-modal.open { opacity: 1; visibility: visible; }
.nx-quote-modal__mask { position: absolute; inset: 0; background: rgba(8, 20, 40, .55); backdrop-filter: blur(2px); }
.nx-quote-modal__box { position: relative; width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; background: #fff; border-radius: 16px; box-shadow: 0 30px 70px rgba(0, 0, 0, .35); transform: translateY(20px) scale(.98); transition: transform .3s; }
.nx-quote-modal.open .nx-quote-modal__box { transform: none; }
.nx-quote-modal__close { position: absolute; top: 14px; right: 16px; width: 38px; height: 38px; border-radius: 50%; border: 0; background: #f1f4f8; color: #666; font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .25s; z-index: 2; }
.nx-quote-modal__close:hover { background: var(--nx-accent); color: #fff; }
.nx-quote-modal__head { padding: 30px 36px 6px; }
.nx-quote-modal__head h3 { margin: 0 0 6px; font-size: 22px; color: var(--nx-primary-dark); }
.nx-quote-modal__head p { margin: 0; font-size: 13.5px; color: #999; }
.nx-quote-form { margin: 0; background: none; border: 0; border-radius: 0; box-shadow: none; padding: 18px 36px 34px; }
.nx-quote-product { background: #f0f6fc !important; color: var(--nx-primary-dark); font-weight: 600; cursor: default; }

/* ========================================================================
   图片清晰度增强（通用，配合 js/index.js 的清晰度模块）
   底图：轻微提饱和/提对比/提亮度；叠加层：同图 blur(14px)+saturate(1.6)，
   overlay 混合、透明度 .45，相当于相机"清晰度/通透感"处理
   ======================================================================== */
.nx-clarity-img { filter: saturate(1.15) contrast(1.1) brightness(1.02); }
.nx-clarity-host, .nx-clarity-box { position: relative; }
.nx-clarity-box { display: block; }
.nx-clarity-layer { position: absolute; inset: 0; background-size: cover; background-position: center; filter: blur(14px) saturate(1.6) contrast(1.1); mix-blend-mode: overlay; opacity: .45; pointer-events: none; }
.nx-clarity-layer--contain { background-size: contain; background-repeat: no-repeat; }
/* 列表卡片：叠加层跟随 hover 放大，与原图同步 */
.product-card__media .nx-clarity-layer { transition: transform .5s; }
.nx-case-card__media .nx-clarity-layer { transition: transform .7s ease; }
.product-card:hover .product-card__media .nx-clarity-layer { transform: scale(1.08); }
.nx-case-card:hover .nx-case-card__media .nx-clarity-layer { transform: scale(1.08); }

/* ===== 关于我们（英文内容） ===== */
.nx-about__brand { margin: 4px 0 0; font-size: 34px; font-weight: 800; color: #3d4a5c; line-height: 1.25; letter-spacing: .5px; }
.nx-about__brand em { display: block; font-style: normal; font-size: 24px; font-weight: 700; color: var(--nx-primary); margin-top: 6px; }
.nx-about__slogan { margin: 14px 0 20px; padding-top: 14px; border-top: 1px solid var(--nx-border); font-size: 17px; color: #556; line-height: 1.6; }
.nx-honor { margin: 24px 0; padding: 22px 26px; background: #fff; border-left: 4px solid var(--nx-primary); border-radius: 8px; box-shadow: var(--nx-shadow); }
.nx-honor h3 { margin: 0 0 12px; font-size: 22px; font-weight: 800; letter-spacing: 1px; color: #3d4a5c; }
.nx-honor p { margin: 0 0 8px; font-size: 15px; line-height: 1.9; color: #4a5a6a; text-align: justify; }
.nx-honor p:last-child { margin-bottom: 0; }
.nx-honor p.hl { color: var(--nx-primary); font-size: 16px; }
.nx-honor-quote { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.nx-honor-quote__item { border: 1px solid var(--nx-border); border-radius: 8px; overflow: hidden; background: #fff; }
.nx-honor-quote__item h4 { margin: 0; padding: 12px 18px; background: linear-gradient(90deg, var(--nx-primary), #4d8fd1); color: #fff; font-size: 16px; font-weight: 700; }
.nx-honor-quote__item p { margin: 0; padding: 16px 18px 18px; font-size: 14.5px; line-height: 1.85; color: #4a5a6a; }
@media (max-width: 768px) {
  .nx-about__brand { font-size: 26px; }
  .nx-about__brand em { font-size: 19px; }
  .nx-honor-quote { grid-template-columns: 1fr; }
}