/* =========================================================
   Nova Skin — 全站基础与设计变量
   ========================================================= */
:root {
  --nx-dark: #0c1014;
  --nx-dark-2: #151c23;
  --nx-dark-3: #1d262f;
  --nx-ink: #16202a;
  --nx-text: #5d6b79;
  --nx-text-strong: #2c3743;
  --nx-line: #e6ebf0;
  --nx-line-dark: rgba(255, 255, 255, .12);
  --nx-bg: #f4f6f7;
  --nx-white: #ffffff;
  --nx-brand: #0f6d5b;
  --nx-brand-2: #14a37e;
  --nx-lime: #d6f94a;
  --nx-radius: 20px;
  --nx-radius-sm: 12px;
  --nx-shadow: 0 20px 60px rgba(14, 26, 38, .08);
  --nx-shadow-lg: 0 40px 90px rgba(14, 26, 38, .14);
  --nx-max: 1280px;
  --nx-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--nx-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--nx-text);
  background: var(--nx-white);
  -webkit-font-smoothing: antialiased;
  max-height: 999999px; /* 禁用移动端 Chrome 字体自动放大，防止大标题行间重叠 */
}

img, video { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s ease, opacity .25s ease; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--nx-ink); font-weight: 700; line-height: 1.4; letter-spacing: 0; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
table { width: 100%; border-collapse: collapse; }
iframe { max-width: 100%; }

::selection { background: var(--nx-brand); color: #fff; }

/* ---------- 布局容器 ---------- */
.nx-wrap {
  width: 100%;
  max-width: var(--nx-max);
  margin: 0 auto;
  padding: 0 32px;
}
.nx-wrap--narrow { max-width: 900px; }

.nx-sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
}

/* ---------- 通用标题 ---------- */
.nx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--nx-brand);
}
.nx-eyebrow::before {
  content: "";
  width: 34px; height: 2px;
  background: var(--nx-brand);
}
.nx-sec__title {
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.45;
  margin: 12px 0 0;
}
.nx-sec__desc {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--nx-text);
}
.nx-sec {
  padding: 100px 0;
}
.nx-sec--tint { background: var(--nx-bg); }
.nx-sec--dark { background: var(--nx-dark); color: rgba(255, 255, 255, .68); }
.nx-sec--dark .nx-sec__title { color: #fff; }
.nx-sec--dark .nx-eyebrow { color: var(--nx-lime); }
.nx-sec--dark .nx-eyebrow::before { background: var(--nx-lime); }
.nx-sec--dark .nx-sec__desc { color: rgba(255, 255, 255, .6); }

.nx-sec__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 52px;
}
.nx-sec__head--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* ---------- 按钮 ---------- */
.nx-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  will-change: transform;
}
.nx-btn svg { width: 16px; height: 16px; flex: none; transition: transform .25s ease; }
.nx-btn:hover svg { transform: translateX(4px); }
.nx-btn--primary {
  background: var(--nx-brand);
  color: #fff;
  box-shadow: 0 12px 30px rgba(15, 109, 91, .28);
}
.nx-btn--primary:hover { background: var(--nx-brand-2); transform: translateY(-2px); }
.nx-btn--lime { background: var(--nx-lime); color: var(--nx-dark); }
.nx-btn--lime:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(214, 249, 74, .3); }
.nx-btn--ghost {
  border: 1px solid var(--nx-line);
  color: var(--nx-ink);
  background: #fff;
}
.nx-btn--ghost:hover { border-color: var(--nx-ink); transform: translateY(-2px); }
.nx-btn--outline-light {
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
}
.nx-btn--outline-light:hover { background: #fff; color: var(--nx-dark); }
.nx-btn--sm { padding: 11px 22px; font-size: 14px; }

.nx-more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--nx-ink);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--nx-line);
  transition: border-color .25s ease, color .25s ease, gap .25s ease;
}
.nx-more:hover { color: var(--nx-brand); border-color: var(--nx-brand); gap: 18px; }

/* ---------- 滚动揭示 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.2, .7, .3, 1), transform .8s cubic-bezier(.2, .7, .3, 1);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* =========================================================
   顶部条 + 导航
   ========================================================= */
.nx-topbar {
  background: var(--nx-dark);
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
  border-bottom: 1px solid var(--nx-line-dark);
}
.nx-topbar__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 42px;
}
.nx-topbar__list { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.nx-topbar__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .72);
}
.nx-topbar__list a:hover { color: var(--nx-lime); }
.nx-topbar__list svg { width: 14px; height: 14px; fill: currentColor; }
.nx-topbar__note { letter-spacing: .04em; }
.nx-topbar__note span { color: rgba(255, 255, 255, .45); }

.nx-head {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s ease, border-color .3s ease, background .3s ease;
}
.nx-head.is-stuck { box-shadow: 0 10px 30px rgba(14, 26, 38, .07); border-bottom-color: var(--nx-line); }
.nx-head__in {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 82px;
}
.nx-logo { display: flex; align-items: center; flex: none; }
.nx-logo img { max-height: 44px; width: auto; object-fit: contain; }
.nx-logo__text { font-size: 20px; font-weight: 800; color: var(--nx-ink); letter-spacing: -.02em; }

.nx-nav { margin-left: auto; }
.nx-nav > ul { display: flex; align-items: center; gap: 4px; }
.nx-nav > ul > li { position: relative; }
.nx-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--nx-text-strong);
  white-space: nowrap;
}
.nx-nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  background: var(--nx-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nx-nav > ul > li > a:hover { color: var(--nx-brand); }
.nx-nav > ul > li > a:hover::after,
.nx-nav > ul > li > a.is-active::after { transform: scaleX(1); }
.nx-nav > ul > li > a.is-active { color: var(--nx-brand); }
.nx-nav .nx-caret { width: 10px; height: 10px; stroke: currentColor; fill: none; stroke-width: 2; transition: transform .3s ease; }
.nx-nav > ul > li:hover .nx-caret { transform: rotate(180deg); }

.nx-nav__sub {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 12px);
  min-width: 240px;
  padding: 14px;
  background: #fff;
  border-radius: var(--nx-radius-sm);
  box-shadow: var(--nx-shadow);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s ease, transform .28s ease, visibility .28s;
}
.nx-nav > ul > li:hover .nx-nav__sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nx-nav__sub a {
  display: block;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  color: var(--nx-text);
}
.nx-nav__sub a:hover { background: var(--nx-bg); color: var(--nx-brand); }
.nx-nav__sub--wide { min-width: 560px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 10px; }
.nx-nav__sub .nx-sub3 { padding-left: 12px; }
.nx-nav__sub .nx-sub3 a { font-size: 13.5px; color: #8b97a4; padding: 6px 12px; }

.nx-head__act { display: flex; align-items: center; gap: 12px; flex: none; }
.nx-iconbtn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--nx-line);
  color: var(--nx-ink);
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.nx-iconbtn svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 2; }
.nx-iconbtn:hover { background: var(--nx-ink); border-color: var(--nx-ink); color: #fff; }

.nx-burger { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--nx-line); position: relative; }
.nx-burger span {
  position: absolute; left: 12px; width: 18px; height: 2px; background: var(--nx-ink);
  transition: transform .3s ease, opacity .3s ease;
}
.nx-burger span:nth-child(1) { top: 15px; }
.nx-burger span:nth-child(2) { top: 20px; }
.nx-burger span:nth-child(3) { top: 25px; }
.is-menu-open .nx-burger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.is-menu-open .nx-burger span:nth-child(2) { opacity: 0; }
.is-menu-open .nx-burger span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 搜索面板 */
.nx-search {
  position: fixed; inset: 0 0 auto 0;
  z-index: 120;
  background: var(--nx-dark);
  padding: 60px 0;
  display: none;
}
.nx-search.is-open { display: block; animation: nxFade .3s ease; }
.nx-search__in { max-width: 820px; margin: 0 auto; padding: 0 32px; text-align: center; color: #fff; }
.nx-search__label { font-size: 13px; letter-spacing: .3em; text-transform: uppercase; color: var(--nx-lime); }
.nx-search__form { display: flex; gap: 12px; margin-top: 22px; }
.nx-search__form input {
  flex: 1;
  padding: 16px 22px;
  border-radius: 999px;
  border: 1px solid var(--nx-line-dark);
  background: rgba(255, 255, 255, .06);
  color: #fff;
  outline: none;
}
.nx-search__form input::placeholder { color: rgba(255, 255, 255, .4); }
.nx-search__form input:focus { border-color: var(--nx-lime); }
.nx-search__close {
  position: absolute; top: 22px; right: 32px;
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--nx-line-dark); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
}
.nx-search__close svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 2; fill: none; }
.nx-search__close:hover { background: #fff; color: var(--nx-dark); }

@keyframes nxFade { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }

/* =========================================================
   首页 Hero
   ========================================================= */
.nx-hero {
  position: relative;
  background: var(--nx-dark);
  color: #fff;
  overflow: hidden;
  min-height: 640px;
  display: flex;
  align-items: center;
}
.nx-hero__slides { position: absolute; inset: 0; }
.nx-hero__slide {
  position: absolute; inset: 0;
  opacity: 0;
  visibility: hidden;
  z-index: 0;
  transition: opacity .9s ease, visibility .9s;
}
.nx-hero__slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.nx-hero__slide img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.nx-hero__slide::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 12, 16, .92) 0%, rgba(8, 12, 16, .74) 42%, rgba(8, 12, 16, .28) 100%);
}
.nx-hero__in {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 120px 0 130px;
}
.nx-hero__content { max-width: 720px; }
.nx-hero__kicker {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .25);
  font-size: 12.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .85);
}
.nx-hero__title {
  margin: 24px 0 0;
  font-size: clamp(18px, 2.3vw, 30px);
  line-height: 1.7;
  color: #fff;
  letter-spacing: 0;
  overflow-wrap: break-word;
}
.nx-hero__title em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 62%, rgba(214, 249, 74, .45) 62%);
}
.nx-hero__text {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .72);
  max-width: 540px;
}
.nx-hero__btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.nx-hero__ui {
  position: absolute;
  z-index: 3;
  left: 50%; bottom: 48px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 20px;
}
.nx-hero__dots { display: flex; gap: 10px; }
.nx-hero__dot {
  width: 34px; height: 4px; border-radius: 99px;
  background: rgba(255, 255, 255, .28);
  transition: background .3s ease, width .3s ease;
}
.nx-hero__dot.is-active { background: var(--nx-lime); width: 56px; }
.nx-hero__arrow {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .25s ease, color .25s ease;
}
.nx-hero__arrow svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; }
.nx-hero__arrow:hover { background: #fff; color: var(--nx-dark); }

/* 数据条 */
.nx-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--nx-line);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  overflow: hidden;
}
.nx-stat { background: #fff; padding: 34px 28px; }
.nx-stat__num {
  font-size: 34px;
  font-weight: 800;
  color: var(--nx-ink);
  letter-spacing: 0;
  line-height: 1.2;
}
.nx-stat__num i { font-style: normal; color: var(--nx-brand); }
.nx-stat__label { margin: 6px 0 0; font-size: 14px; color: var(--nx-text); }

/* =========================================================
   首页板块
   ========================================================= */
/* 优势卡 */
.nx-feat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.nx-feat__item {
  position: relative;
  padding: 38px 30px 34px;
  border-radius: var(--nx-radius);
  background: #fff;
  border: 1px solid var(--nx-line);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.nx-feat__item:hover { transform: translateY(-8px); box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-feat__num {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--nx-brand);
}
.nx-feat__icon {
  width: 52px; height: 52px;
  margin: 18px 0 20px;
  border-radius: 14px;
  background: rgba(15, 109, 91, .1);
  display: flex; align-items: center; justify-content: center;
}
.nx-feat__icon svg { width: 24px; height: 24px; stroke: var(--nx-brand); fill: none; stroke-width: 1.7; }
.nx-feat__title { font-size: 20px; }
.nx-feat__text { margin: 12px 0 0; font-size: 14.5px; color: var(--nx-text); }

/* 关于 */
.nx-about { display: grid; grid-template-columns: 1.02fr 1fr; gap: 70px; align-items: center; }
.nx-about > * { min-width: 0; }
.nx-about__media {
  position: relative;
  border-radius: var(--nx-radius);
  overflow: hidden;
  background: var(--nx-dark);
  aspect-ratio: 16 / 10;
  width: 100%;
  max-width: 100%;
}
.nx-about__media video { width: 100%; height: 100%; max-width: 100%; object-fit: cover; display: block; }
/* 视频封面播放按钮 */
.nx-video__play {
  position: absolute;
  inset: 0;
  margin: auto;
  z-index: 3;
  width: 78px; height: 78px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .94);
  color: var(--nx-brand);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 40px rgba(8, 12, 16, .35);
  transition: transform .3s ease, background .3s ease;
}
.nx-video__play svg { width: 30px; height: 30px; margin-left: 4px; }
.nx-video__play:hover { transform: scale(1.08); background: var(--nx-lime); color: var(--nx-dark); }
.nx-video.is-playing .nx-video__play { display: none; }
.nx-about__media video, .nx-about__media img { width: 100%; height: 100%; object-fit: cover; }
.nx-about__tag {
  position: absolute; left: 22px; bottom: 22px;
  padding: 12px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .92);
  color: var(--nx-ink);
  font-size: 13px; font-weight: 700; letter-spacing: .1em;
}
.nx-about__title { font-size: clamp(20px, 2.2vw, 30px); line-height: 1.45; margin-top: 14px; }
.nx-about__body { font-size: 16px; }
.nx-about__list { margin-top: 30px; display: grid; gap: 18px; }
.nx-about__item { display: flex; gap: 14px; }
.nx-about__item span {
  flex: none;
  width: 26px; height: 26px; margin-top: 4px;
  border-radius: 50%;
  background: var(--nx-brand);
  display: flex; align-items: center; justify-content: center;
}
.nx-about__item span svg { width: 13px; height: 13px; stroke: #fff; fill: none; stroke-width: 3; }
.nx-about__item strong { display: block; color: var(--nx-ink); font-size: 16px; }
.nx-about__item p { margin: 2px 0 0; font-size: 14.5px; }
.nx-about__cta { margin-top: 34px; }

/* 产品网格 */
.nx-grid { display: grid; gap: 28px; }
.nx-grid--3 { grid-template-columns: repeat(3, 1fr); }
.nx-grid--4 { grid-template-columns: repeat(4, 1fr); }

.nx-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.nx-card:hover { transform: translateY(-8px); box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--nx-bg);
}
.nx-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2, .7, .3, 1);
}
.nx-card:hover .nx-card__media img { transform: scale(1.07); }
.nx-card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12, 16, 20, 0) 45%, rgba(12, 16, 20, .55) 100%);
  opacity: 0;
  transition: opacity .35s ease;
}
.nx-card:hover .nx-card__media::after { opacity: 1; }
.nx-card__badge {
  position: absolute; z-index: 2; top: 16px; left: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .94);
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--nx-ink);
}
.nx-card__go {
  position: absolute; z-index: 2; right: 18px; bottom: 18px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--nx-lime);
  color: var(--nx-dark);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(12px);
  transition: opacity .35s ease, transform .35s ease;
}
.nx-card:hover .nx-card__go { opacity: 1; transform: none; }
.nx-card__go svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; }
.nx-card__body { padding: 24px 26px 28px; }
.nx-card__title {
  font-size: 18px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nx-card:hover .nx-card__title { color: var(--nx-brand); }
.nx-card__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  color: var(--nx-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 案例 */
.nx-cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.nx-case {
  position: relative;
  border-radius: var(--nx-radius);
  overflow: hidden;
  background: #fff;
  aspect-ratio: 1 / 1;
  transition: transform .35s ease, box-shadow .35s ease;
}
.nx-case:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow-lg); }
.nx-case img {
  width: 100%; height: calc(100% - 52px);
  object-fit: contain;
  padding: 14px 14px 0;
  transition: transform .6s ease;
}
.nx-case:hover img { transform: scale(1.04); }
.nx-case__cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 52px;
  padding: 0 18px;
  background: #fff;
  border-top: 1px solid var(--nx-line);
  color: var(--nx-ink);
  font-size: 14.5px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.nx-case:hover .nx-case__cap { color: var(--nx-brand); }
.nx-case__cap em { font-style: normal; color: #b3bdc7; font-size: 16px; }

/* 热门横滑 */
.nx-rail { position: relative; }
.nx-rail__track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  scrollbar-width: none;
}
.nx-rail__track::-webkit-scrollbar { display: none; }
.nx-rail__item { flex: 0 0 calc((100% - 72px) / 4); scroll-snap-align: start; }
@media (max-width: 1100px) { .nx-rail__item { flex: 0 0 calc((100% - 48px) / 3); } }
@media (max-width: 780px) { .nx-rail__item { flex: 0 0 calc((100% - 24px) / 2); } }

/* 新闻 */
.nx-news { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: start; }
.nx-news__feature {
  border-radius: var(--nx-radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--nx-line);
}
.nx-news__feature .nx-card__media { aspect-ratio: 16 / 10; }
.nx-news__feature .nx-card__body { padding: 30px 32px 34px; }
.nx-news__feature .nx-card__title { font-size: 24px; -webkit-line-clamp: 3; }
.nx-news__list { display: grid; gap: 4px; }
.nx-news__item {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 22px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--nx-line);
  transition: padding .3s ease;
}
.nx-news__item:hover { padding-left: 14px; }
.nx-news__date {
  text-align: center;
  padding: 8px 0;
  border-right: 1px solid var(--nx-line);
}
.nx-news__date b { display: block; font-size: 28px; line-height: 1; color: var(--nx-ink); }
.nx-news__date span { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--nx-brand); }
.nx-news__item h3 {
  font-size: 17px;
  line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nx-news__item:hover h3 { color: var(--nx-brand); }
.nx-news__item p {
  margin: 8px 0 0;
  font-size: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* CTA */
.nx-cta {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(120deg, var(--nx-brand) 0%, #0a4f42 60%, #083a30 100%);
  padding: 66px 60px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.nx-cta::after {
  content: "";
  position: absolute; right: -80px; top: -80px;
  width: 320px; height: 320px; border-radius: 50%;
  background: rgba(214, 249, 74, .16);
}
.nx-cta__title { font-size: clamp(19px, 2.2vw, 28px); line-height: 1.5; color: #fff; position: relative; }
.nx-cta__text { margin: 14px 0 0; color: rgba(255, 255, 255, .78); position: relative; max-width: 520px; }
.nx-cta__act { position: relative; display: flex; gap: 14px; flex: none; }

/* =========================================================
   内页头图
   ========================================================= */
.nx-pagehead {
  position: relative;
  padding: 92px 0 76px;
  background: var(--nx-dark);
  overflow: hidden;
}
.nx-pagehead__bg { position: absolute; inset: 0; }
.nx-pagehead__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.nx-pagehead__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 18, .92) 0%, rgba(10, 14, 18, .55) 100%);
}
.nx-pagehead__in { position: relative; z-index: 2; }
.nx-pagehead__title {
  font-size: clamp(20px, 2.4vw, 32px);
  line-height: 1.45;
  color: #fff;
  letter-spacing: 0;
}
.nx-crumb {
  margin-top: 16px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.nx-crumb a { color: rgba(255, 255, 255, .72); }
.nx-crumb a:hover { color: var(--nx-lime); }
.nx-crumb em { font-style: normal; opacity: .4; }
.nx-crumb i { font-style: normal; color: var(--nx-lime); }

/* =========================================================
   内页布局
   ========================================================= */
.nx-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 44px;
  padding: 76px 0 100px;
  align-items: start;
}
.nx-layout--full { grid-template-columns: 1fr; }

.nx-side { position: sticky; top: 110px; display: grid; gap: 22px; }
.nx-widget {
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  padding: 26px 24px;
}
.nx-widget__title {
  font-size: 13px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--nx-ink);
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--nx-line);
}
.nx-searchbox { display: flex; border: 1px solid var(--nx-line); border-radius: 999px; overflow: hidden; }
.nx-searchbox input {
  flex: 1;
  border: 0; outline: none;
  padding: 12px 18px;
  font-size: 14px;
  min-width: 0;
}
.nx-searchbox button {
  width: 48px;
  background: var(--nx-ink);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background .25s ease;
}
.nx-searchbox button:hover { background: var(--nx-brand); }
.nx-searchbox svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; }

.nx-catelist li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--nx-text-strong);
  transition: background .25s ease, color .25s ease;
}
.nx-catelist li a:hover, .nx-catelist li a.is-active { background: var(--nx-bg); color: var(--nx-brand); }
.nx-catelist li a.is-active { font-weight: 700; }
.nx-catelist .nx-sub a { font-size: 14px; color: var(--nx-text); padding-left: 28px; }
.nx-catelist .nx-sub a::before { content: "—"; margin-right: 8px; opacity: .4; }

.nx-minilist { display: grid; gap: 16px; }
.nx-minilist li { display: grid; grid-template-columns: 82px 1fr; gap: 14px; align-items: center; }
.nx-minilist .nx-minilist__img {
  width: 82px; height: 66px; border-radius: 10px; overflow: hidden; background: var(--nx-bg);
}
.nx-minilist .nx-minilist__img img { width: 100%; height: 100%; object-fit: cover; }
.nx-minilist h4 {
  font-size: 14.5px; font-weight: 600; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nx-minilist li:hover h4 { color: var(--nx-brand); }
.nx-minilist time { font-size: 12.5px; color: #97a3af; }

/* 侧栏表单 */
.nx-form { display: grid; gap: 12px; }
.nx-form input, .nx-form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--nx-line);
  border-radius: 12px;
  background: var(--nx-bg);
  font-size: 14.5px;
  outline: none;
  transition: border-color .25s ease, background .25s ease;
}
.nx-form textarea { min-height: 110px; resize: vertical; }
.nx-form input:focus, .nx-form textarea:focus { border-color: var(--nx-brand); background: #fff; }
.nx-form button {
  justify-content: center;
  border-radius: 999px;
  padding: 14px 24px;
  background: var(--nx-ink);
  color: #fff;
  font-weight: 600;
  transition: background .25s ease, transform .25s ease;
}
.nx-form button:hover { background: var(--nx-brand); transform: translateY(-2px); }

/* 主区 */
.nx-main__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--nx-line);
}
.nx-main__head h1 { font-size: 24px; }
.nx-main__head p { margin: 6px 0 0; font-size: 14.5px; }
.nx-main__count { font-size: 13px; color: #97a3af; }

/* 新闻列表 */
.nx-postlist { display: grid; gap: 26px; }
.nx-post {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.nx-post:hover { transform: translateY(-5px); box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-post__media { border-radius: var(--nx-radius-sm); overflow: hidden; aspect-ratio: 4 / 3; background: var(--nx-bg); }
.nx-post__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.nx-post:hover .nx-post__media img { transform: scale(1.06); }
.nx-post__meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: #97a3af; }
.nx-post__meta b { color: var(--nx-brand); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: 12px; }
.nx-post h2 {
  margin: 12px 0 0;
  font-size: 21px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nx-post:hover h2 { color: var(--nx-brand); }
.nx-post p {
  margin: 12px 0 18px;
  font-size: 14.5px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 证书/图册 */
.nx-certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.nx-cert {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease;
}
.nx-cert:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); }
.nx-cert img { width: 100%; border-radius: var(--nx-radius-sm); }
.nx-cert h3 { margin-top: 16px; font-size: 16px; }

/* FAQ */
.nx-faq { display: grid; gap: 14px; }
.nx-faq__item {
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius-sm);
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.nx-faq__item.is-open { box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: var(--nx-ink);
}
.nx-faq__q i {
  flex: none;
  position: relative;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--nx-line);
  transition: background .3s ease, border-color .3s ease;
}
.nx-faq__q i::before, .nx-faq__q i::after {
  content: "";
  position: absolute; top: 50%; left: 50%;
  width: 11px; height: 2px;
  background: var(--nx-ink);
  transform: translate(-50%, -50%);
  transition: transform .3s ease, background .3s ease;
}
.nx-faq__q i::after { transform: translate(-50%, -50%) rotate(90deg); }
.nx-faq__item.is-open .nx-faq__q i { background: var(--nx-brand); border-color: var(--nx-brand); }
.nx-faq__item.is-open .nx-faq__q i::before, .nx-faq__item.is-open .nx-faq__q i::after { background: #fff; }
.nx-faq__item.is-open .nx-faq__q i::after { transform: translate(-50%, -50%) rotate(0deg); }
.nx-faq__a { display: none; padding: 0 26px 24px; font-size: 15px; }
.nx-faq__item.is-open .nx-faq__a { display: block; animation: nxFade .35s ease; }

/* 分页 */
.nx-pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 56px; }
.nx-pager a, .nx-pager span {
  min-width: 42px; height: 42px;
  padding: 0 14px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--nx-line);
  font-size: 14.5px;
  color: var(--nx-text-strong);
  background: #fff;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.nx-pager a:hover { background: var(--nx-ink); border-color: var(--nx-ink); color: #fff; }
.nx-pager .nx-current, .nx-pager span.nx-current {
  background: var(--nx-brand); border-color: var(--nx-brand); color: #fff;
}
.nx-pager li { display: inline-block; }

/* 空态 */
.nx-empty {
  padding: 90px 30px;
  text-align: center;
  border: 1px dashed var(--nx-line);
  border-radius: var(--nx-radius);
  color: #9aa6b2;
}

/* =========================================================
   详情页
   ========================================================= */
.nx-pd { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start; }
.nx-pd__stage {
  position: relative;
  border-radius: var(--nx-radius);
  overflow: hidden;
  background: var(--nx-bg);
  aspect-ratio: 4 / 3;
}
.nx-pd__stage .nx-pd__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s ease, visibility .5s; isolation: isolate; }
.nx-pd__stage .nx-pd__slide.is-active { opacity: 1; visibility: visible; }
.nx-pd__stage img { width: 100%; height: 100%; object-fit: cover; }
.nx-pd__nav {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  pointer-events: none;
}
.nx-pd__nav button {
  pointer-events: auto;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255, 255, 255, .9);
  color: var(--nx-ink);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(12, 20, 28, .16);
  transition: background .25s ease, color .25s ease;
}
.nx-pd__nav button:hover { background: var(--nx-brand); color: #fff; }
.nx-pd__nav svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.nx-pd__thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.nx-pd__thumb {
  width: 86px; height: 72px;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--nx-bg);
  opacity: .68;
  transition: opacity .25s ease, border-color .25s ease;
}
.nx-pd__thumb img { width: 100%; height: 100%; object-fit: cover; }
.nx-pd__thumb.is-active, .nx-pd__thumb:hover { opacity: 1; border-color: var(--nx-brand); }

.nx-pd__title { font-size: clamp(19px, 2.1vw, 26px); line-height: 1.5; }
.nx-pd__desc { margin: 18px 0 0; font-size: 16px; }
.nx-pd__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 0; }
.nx-pd__tags span {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--nx-bg);
  font-size: 13px;
  color: var(--nx-text-strong);
}
.nx-pd__act { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.nx-pd__video { margin-top: 26px; border-radius: var(--nx-radius-sm); overflow: hidden; background: var(--nx-dark); }
.nx-pd__video video { width: 100%; }

.nx-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.nx-prevnext a, .nx-prevnext .nx-none {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius-sm);
  font-size: 14.5px;
  color: var(--nx-text-strong);
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.nx-prevnext a:hover { background: var(--nx-ink); color: #fff; border-color: var(--nx-ink); }
.nx-prevnext .nx-none { color: #b3bdc7; }
.nx-prevnext .nx-next { justify-content: flex-end; text-align: right; }

.nx-block { margin-top: 76px; }
.nx-block__title { font-size: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--nx-line); }

/* 文章内容排版 */
.nx-article { max-width: 880px; margin: 0 auto; }
.nx-article__title { font-size: clamp(20px, 2.2vw, 28px); line-height: 1.5; }
.nx-article__meta {
  display: flex; flex-wrap: wrap; gap: 22px;
  margin: 22px 0 34px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--nx-line);
  font-size: 13.5px; color: #97a3af;
}
.nx-article__meta span { display: inline-flex; align-items: center; gap: 8px; }
.nx-article__meta svg { width: 15px; height: 15px; stroke: var(--nx-brand); fill: none; stroke-width: 1.8; }
.nx-content { font-size: 16.5px; line-height: 1.95; color: #4a5764; }
.nx-content img { border-radius: var(--nx-radius-sm); margin: 12px 0; height: auto; }
.nx-content h2, .nx-content h3, .nx-content h4 { margin: 1.6em 0 .7em; color: var(--nx-ink); }
.nx-content h2 { font-size: 26px; }
.nx-content h3 { font-size: 21px; }
.nx-content a { color: var(--nx-brand); text-decoration: underline; }
.nx-content ul, .nx-content ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.nx-content ul li { list-style: disc; }
.nx-content ol li { list-style: decimal; }
.nx-content blockquote {
  margin: 1.6em 0;
  padding: 20px 26px;
  border-left: 3px solid var(--nx-brand);
  background: var(--nx-bg);
  border-radius: 0 var(--nx-radius-sm) var(--nx-radius-sm) 0;
}
.nx-content table { margin: 1.6em 0; border: 1px solid var(--nx-line); }
.nx-content th, .nx-content td { padding: 12px 16px; border: 1px solid var(--nx-line); font-size: 15px; }
.nx-content th { background: var(--nx-bg); color: var(--nx-ink); }

/* 联系页 */
.nx-contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.nx-contact__card {
  padding: 34px 28px;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  transition: transform .3s ease, box-shadow .3s ease;
}
.nx-contact__card:hover { transform: translateY(-6px); box-shadow: var(--nx-shadow); }
.nx-contact__card .nx-feat__icon { margin-top: 0; }
.nx-contact__card h3 { font-size: 17px; margin-top: 4px; }
.nx-contact__card p { margin: 8px 0 0; font-size: 15px; word-break: break-word; }
.nx-contact__card a:hover { color: var(--nx-brand); }
.nx-contact__form {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 46px;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
}
.nx-contact__form .nx-form { gap: 16px; }
.nx-contact__form .nx-form textarea { min-height: 150px; }
.nx-contact__intro h2 { font-size: 30px; }
.nx-contact__intro p { margin-top: 14px; }
.nx-contact__intro ul { margin-top: 22px; display: grid; gap: 12px; }
.nx-contact__intro li { display: flex; gap: 10px; font-size: 15px; }
.nx-contact__intro li::before { content: ""; flex: none; width: 7px; height: 7px; margin-top: 12px; border-radius: 50%; background: var(--nx-brand); }

/* =========================================================
   页脚
   ========================================================= */
.nx-foot {
  background: var(--nx-dark);
  color: rgba(255, 255, 255, .62);
  padding: 84px 0 0;
  font-size: 14.5px;
}
.nx-foot__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 46px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--nx-line-dark);
}
.nx-foot__logo { max-height: 46px; width: auto; object-fit: contain; }
.nx-foot__about { margin: 22px 0 0; max-width: 340px; }
.nx-foot__title {
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 20px;
}
.nx-foot__list li { margin-bottom: 12px; }
.nx-foot__list a { color: rgba(255, 255, 255, .62); }
.nx-foot__list a:hover { color: var(--nx-lime); padding-left: 4px; }
.nx-foot__contact li { display: flex; gap: 12px; margin-bottom: 16px; }
.nx-foot__contact svg { width: 16px; height: 16px; margin-top: 5px; flex: none; stroke: var(--nx-lime); fill: none; stroke-width: 1.8; }
.nx-foot__contact a { color: rgba(255, 255, 255, .78); word-break: break-word; }
.nx-foot__contact a:hover { color: var(--nx-lime); }
.nx-foot__qr { display: flex; gap: 18px; align-items: center; margin-top: 6px; }
.nx-foot__qr img { width: 108px; height: 108px; border-radius: 10px; background: #fff; padding: 5px; }
.nx-foot__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0 30px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .45);
  flex-wrap: wrap;
}
.nx-foot__bottom a:hover { color: var(--nx-lime); }

/* 悬浮条 */
.nx-float {
  position: fixed;
  right: 22px;
  bottom: 96px;
  z-index: 80;
  display: grid;
  gap: 10px;
}
.nx-float a, .nx-float button {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: #fff;
  color: var(--nx-ink);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(12, 20, 28, .18);
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.nx-float a:hover, .nx-float button:hover { background: var(--nx-brand); color: #fff; transform: translateY(-3px); }
.nx-float svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.nx-float__panel {
  position: fixed;
  right: 82px; bottom: 96px;
  z-index: 80;
  width: 250px;
  padding: 20px;
  border-radius: var(--nx-radius-sm);
  background: #fff;
  box-shadow: var(--nx-shadow-lg);
  display: none;
  font-size: 14px;
}
.nx-float__panel.is-open { display: block; animation: nxFade .25s ease; }
.nx-float__panel h4 { font-size: 15px; margin-bottom: 12px; }
.nx-float__panel li { margin-bottom: 10px; }
.nx-float__panel a { display: inline-flex; align-items: center; gap: 8px; color: var(--nx-text-strong); }
.nx-float__panel a:hover { color: var(--nx-brand); }
.nx-float__panel img { width: 18px; height: 18px; }

.nx-totop {
  position: fixed;
  right: 22px; bottom: 34px;
  z-index: 80;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--nx-ink);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(12, 20, 28, .22);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s, background .25s ease;
}
.nx-totop.is-show { opacity: 1; visibility: visible; }
.nx-totop:hover { background: var(--nx-brand); }
.nx-totop svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 2; }

/* 移动端抽屉 */
.nx-drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 110;
  width: min(86vw, 380px);
  background: #fff;
  padding: 26px 24px 40px;
  overflow-y: auto;
  transform: translateX(-102%);
  transition: transform .35s cubic-bezier(.2, .7, .3, 1);
}
.nx-drawer.is-open { transform: none; box-shadow: var(--nx-shadow-lg); }
.nx-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.nx-drawer__close { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--nx-line); display: flex; align-items: center; justify-content: center; }
.nx-drawer__close svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 2; fill: none; }
.nx-drawer li { border-bottom: 1px solid var(--nx-line); }
.nx-drawer li a { display: block; padding: 14px 0; font-size: 16px; font-weight: 600; color: var(--nx-ink); }
.nx-drawer .nx-drawer__sub a { padding: 9px 0 9px 18px; font-size: 14.5px; font-weight: 500; color: var(--nx-text); }
.nx-drawer .nx-drawer__sub li { border-bottom: 0; }
.nx-drawer .nx-drawer__sub3 { padding-bottom: 6px; }
.nx-drawer .nx-drawer__sub3 a {
  padding: 7px 0 7px 34px;
  font-size: 13.5px;
  font-weight: 400;
  color: #8895a2;
}
.nx-drawer .nx-drawer__sub3 a::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-right: 9px;
  vertical-align: middle;
  border-radius: 50%;
  background: var(--nx-line);
}
.nx-mask {
  position: fixed; inset: 0;
  z-index: 100;
  background: rgba(10, 14, 18, .55);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
}
.nx-mask.is-open { opacity: 1; visibility: visible; }

/* =========================================================
   首页新闻（首条大卡 + 其余卡片）
   ========================================================= */
.nx-news { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.nx-newscard {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.nx-newscard:hover { transform: translateY(-8px); box-shadow: var(--nx-shadow); border-color: transparent; }
.nx-newscard .nx-card__media { aspect-ratio: 16 / 10; }
.nx-newscard .nx-card__body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.nx-newscard:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; }
.nx-newscard:first-child .nx-card__media { aspect-ratio: auto; min-height: 360px; height: 100%; }
.nx-newscard:first-child .nx-card__body { justify-content: center; padding: 42px 46px; }
.nx-newscard:first-child .nx-card__title { font-size: 21px; -webkit-line-clamp: 3; }
.nx-newscard:first-child .nx-card__text { -webkit-line-clamp: 3; font-size: 15.5px; }
.nx-news__meta { display: flex; align-items: center; gap: 14px; font-size: 12.5px; color: #97a3af; }
.nx-news__meta b { color: var(--nx-brand); letter-spacing: .16em; text-transform: uppercase; }
.nx-news__go {
  margin-top: auto;
  padding-top: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--nx-ink);
  transition: color .25s ease;
}
.nx-newscard:hover .nx-news__go { color: var(--nx-brand); }
.nx-newscard:hover .nx-card__media img { transform: scale(1.05); }
.nx-newscard .nx-card__media img { transition: transform .8s cubic-bezier(.2, .7, .3, 1); }

/* Hero 修正 */
.nx-hero__slide { display: flex; align-items: center; isolation: isolate; }
.nx-hero__in { padding: 90px 0 120px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1200px) {
  .nx-layout { grid-template-columns: 260px 1fr; gap: 32px; }
  .nx-about { gap: 44px; }
  .nx-feat { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
  .nx-nav, .nx-head__act .nx-btn { display: none; }
  .nx-head__act { margin-left: auto; }
  .nx-burger { display: block; }
  .nx-head__in { height: 70px; }
  .nx-topbar__note { display: none; }
  .nx-hero { min-height: 520px; }
  .nx-about { grid-template-columns: 1fr; gap: 34px; }
  .nx-news { grid-template-columns: 1fr; }
  .nx-newscard:first-child { grid-template-columns: 1fr; }
  .nx-newscard:first-child .nx-card__media { min-height: 0; aspect-ratio: 16 / 10; }
  .nx-newscard:first-child .nx-card__body { padding: 24px 26px 28px; }
  .nx-newscard:first-child .nx-card__title { font-size: 21px; }
  .nx-layout { grid-template-columns: 1fr; padding: 48px 0 70px; }
  .nx-side { position: static; order: 2; }
  .nx-pd { grid-template-columns: 1fr; gap: 34px; }
  .nx-foot__top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .nx-contact { grid-template-columns: 1fr; }
  .nx-contact__form { grid-template-columns: 1fr; padding: 32px; }
  .nx-cases { grid-template-columns: repeat(2, 1fr); }
  .nx-cta { flex-direction: column; align-items: flex-start; padding: 44px 32px; }
  .nx-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .nx-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .nx-certs { grid-template-columns: repeat(2, 1fr); }
  .nx-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  body { font-size: 15.5px; }
  .nx-wrap { padding: 0 20px; }
  .nx-sec { padding: 62px 0; }
  .nx-sec__head { flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 34px; }
  .nx-post { grid-template-columns: 1fr; gap: 18px; padding: 18px; }
  .nx-news__item { grid-template-columns: 64px 1fr; gap: 16px; }
  .nx-prevnext { grid-template-columns: 1fr; }
  .nx-foot__top { grid-template-columns: 1fr; }
  .nx-hero__ui { bottom: 26px; }
  .nx-hero__in { padding: 90px 0 110px; }
  .nx-pagehead { padding: 62px 0 52px; }
  .nx-float { bottom: 84px; right: 14px; }
  .nx-totop { right: 14px; bottom: 24px; }
  .nx-cases { grid-template-columns: 1fr; }
  .nx-case { aspect-ratio: 4 / 3; }
  .nx-grid--4, .nx-grid--3, .nx-feat, .nx-certs, .nx-stats { grid-template-columns: 1fr; }
}