@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');
@import url(iconfont.css);

/* ==========================================================================
   NEXUS Design System — theme.css
   工业精密 · 暖砂石墨 · 硬朗方角 · 细线分割
   ========================================================================== */

:root {
  /* ---- 品牌色 ---- */
  --nx-graphite: #14161A;
  --nx-graphite-soft: #22262C;
  --nx-graphite-line: #2C3138;
  --nx-amber: #C8781E;
  --nx-amber-deep: #8A5A16;
  --nx-amber-bright: #D99A2B;
  --nx-amber-wash: rgba(200, 120, 30, .10);

  /* ---- 中性色 ---- */
  --nx-sand: #FBFAF7;
  --nx-sand-deep: #F2EFE8;
  --nx-white: #FFFFFF;
  --nx-ink: #14161A;
  --nx-ink-70: #5A5F66;
  --nx-ink-45: #8B9098;
  --nx-ink-20: #D8D4CB;
  --nx-line: #E3DED3;
  --nx-line-soft: #EDE9E0;

  /* ---- 功能色 ---- */
  --nx-success: #2E7D5B;
  --nx-danger: #C0392B;
  --nx-warn: #D99A2B;

  /* ---- 字体 ---- */
  --nx-font-display: 'Oswald', 'Arial Narrow', 'Helvetica Neue', Arial, sans-serif;
  --nx-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* ---- 字阶 ---- */
  --nx-fs-hero: clamp(38px, 5.2vw, 76px);
  --nx-fs-h1: clamp(32px, 3.6vw, 52px);
  --nx-fs-h2: clamp(26px, 2.6vw, 38px);
  --nx-fs-h3: clamp(21px, 1.7vw, 26px);
  --nx-fs-h4: 19px;
  --nx-fs-lead: clamp(16px, 1.15vw, 19px);
  --nx-fs-body: 16px;
  --nx-fs-sm: 14px;
  --nx-fs-xs: 12px;

  /* ---- 字距/行高 ---- */
  --nx-ls-tight: -0.01em;
  --nx-ls-wide: .04em;
  --nx-ls-caps: .18em;
  --nx-lh-tight: 1.08;
  --nx-lh-snug: 1.28;
  --nx-lh-body: 1.78;

  /* ---- 间距刻度 ---- */
  --nx-sp-1: 6px;
  --nx-sp-2: 10px;
  --nx-sp-3: 14px;
  --nx-sp-4: 20px;
  --nx-sp-5: 28px;
  --nx-sp-6: 40px;
  --nx-sp-7: 56px;
  --nx-sp-8: 76px;
  --nx-sp-9: 104px;
  --nx-section: clamp(56px, 6.6vw, 108px);

  /* ---- 容器 ---- */
  --nx-container: 1320px;
  --nx-container-narrow: 940px;
  --nx-gutter: clamp(20px, 3.4vw, 48px);

  /* ---- 形态 ---- */
  --nx-radius: 2px;
  --nx-radius-md: 4px;
  --nx-radius-lg: 8px;
  --nx-radius-pill: 999px;
  --nx-border: 1px solid var(--nx-line);
  --nx-border-dark: 1px solid var(--nx-graphite-line);

  /* ---- 阴影 ---- */
  --nx-shadow-sm: 0 1px 2px rgba(20, 22, 26, .05);
  --nx-shadow-md: 0 14px 34px -18px rgba(20, 22, 26, .22);
  --nx-shadow-lg: 0 30px 60px -32px rgba(20, 22, 26, .34);
  --nx-shadow-amber: 0 16px 34px -16px rgba(200, 120, 30, .48);

  /* ---- 动效 ---- */
  --nx-ease: cubic-bezier(.22, .61, .36, 1);
  --nx-ease-out: cubic-bezier(.16, .84, .44, 1);
  --nx-dur-fast: 180ms;
  --nx-dur: 320ms;
  --nx-dur-slow: 620ms;

  /* ---- 层级 ---- */
  --nx-z-header: 900;
  --nx-z-drawer: 1100;
  --nx-z-float: 1010;
  --nx-z-cookie: 1020;
  --nx-z-modal: 1200;
  --nx-z-mask: 1050;

  --nx-header-h: 84px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--nx-sand);
  color: var(--nx-ink);
  font-family: var(--nx-font-body);
  font-size: var(--nx-fs-body);
  font-weight: 400;
  line-height: var(--nx-lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

body.nx-locked { overflow: hidden; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--nx-font-display);
  font-weight: 600;
  line-height: var(--nx-lh-snug);
  letter-spacing: var(--nx-ls-tight);
  text-transform: uppercase;
}

p { margin: 0 0 var(--nx-sp-4); }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--nx-dur-fast) var(--nx-ease);
}

img, video { max-width: 100%; height: auto; display: block; border: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; border: 0; background: none; }

table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--nx-amber);
  outline-offset: 3px;
}

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

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.nx-container {
  width: 100%;
  max-width: var(--nx-container);
  margin: 0 auto;
  padding-left: var(--nx-gutter);
  padding-right: var(--nx-gutter);
}

.nx-container--narrow { max-width: var(--nx-container-narrow); }

.nx-section { padding: var(--nx-section) 0; }
.nx-section--tight { padding: calc(var(--nx-section) * .62) 0; }
.nx-section--sand { background: var(--nx-sand-deep); }
.nx-section--white { background: var(--nx-white); }
.nx-section--dark { background: var(--nx-graphite); color: #fff; }
.nx-section--dark h1,
.nx-section--dark h2,
.nx-section--dark h3,
.nx-section--dark h4 { color: #fff; }

/* 网格底纹：工业精密感的背景装饰 */
.nx-gridlines {
  position: relative;
}

.nx-gridlines::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(20, 22, 26, .045) 1px, transparent 1px);
  background-size: 12.5% 100%;
  z-index: 0;
}

.nx-gridlines > * { position: relative; z-index: 1; }

.nx-divider {
  height: 1px;
  background: var(--nx-line);
  border: 0;
  margin: 0;
}

/* ==========================================================================
   Typography
   ========================================================================== */

.nx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--nx-font-body);
  font-size: var(--nx-fs-xs);
  font-weight: 600;
  letter-spacing: var(--nx-ls-caps);
  text-transform: uppercase;
  color: var(--nx-amber-deep);
}

.nx-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--nx-amber);
}

.nx-eyebrow--light { color: var(--nx-amber-bright); }
.nx-eyebrow--light::before { background: var(--nx-amber-bright); }

.nx-h1 { font-size: var(--nx-fs-h1); }
.nx-h2 { font-size: var(--nx-fs-h2); }
.nx-h3 { font-size: var(--nx-fs-h3); }
.nx-h4 { font-size: var(--nx-fs-h4); }

.nx-display { font-size: var(--nx-fs-hero); line-height: var(--nx-lh-tight); }

.nx-lead {
  font-size: var(--nx-fs-lead);
  color: var(--nx-ink-70);
  line-height: 1.7;
  font-weight: 300;
}

.nx-section--dark .nx-lead { color: rgba(255, 255, 255, .72); }

.nx-text-muted { color: var(--nx-ink-70); }
.nx-text-amber { color: var(--nx-amber); }
.nx-upper { text-transform: uppercase; letter-spacing: var(--nx-ls-wide); }

.nx-clamp-1,
.nx-clamp-2,
.nx-clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nx-clamp-1 { -webkit-line-clamp: 1; }
.nx-clamp-2 { -webkit-line-clamp: 2; }
.nx-clamp-3 { -webkit-line-clamp: 3; }

/* 章节标题：编号 + 标题 + 右侧细线与说明 */
.nx-sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--nx-sp-6);
  margin-bottom: var(--nx-sp-7);
  padding-bottom: var(--nx-sp-4);
  border-bottom: 1px solid var(--nx-line);
}

.nx-sec-head__main { min-width: 0; }

.nx-sec-head__index {
  font-family: var(--nx-font-display);
  font-size: 13px;
  letter-spacing: var(--nx-ls-caps);
  color: var(--nx-amber);
  display: block;
  margin-bottom: 8px;
}

.nx-sec-head__title {
  font-size: var(--nx-fs-h2);
  margin-bottom: 6px;
}

.nx-sec-head__desc {
  color: var(--nx-ink-70);
  font-size: var(--nx-fs-sm);
  max-width: 62ch;
}

.nx-sec-head__aside { flex-shrink: 0; }

.nx-section--dark .nx-sec-head { border-color: var(--nx-graphite-line); }

@media (max-width: 860px) {
  .nx-sec-head {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--nx-sp-4);
    margin-bottom: var(--nx-sp-5);
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.nx-btn {
  --btn-bg: var(--nx-graphite);
  --btn-fg: #fff;
  --btn-bd: var(--nx-graphite);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--nx-radius);
  font-family: var(--nx-font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  transition: transform var(--nx-dur) var(--nx-ease),
              box-shadow var(--nx-dur) var(--nx-ease),
              background-color var(--nx-dur) var(--nx-ease),
              color var(--nx-dur) var(--nx-ease),
              border-color var(--nx-dur) var(--nx-ease);
}

.nx-btn > * { position: relative; z-index: 1; }

/* 扫光效果 */
.nx-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, .18) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform var(--nx-dur-slow) var(--nx-ease);
}

.nx-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--nx-shadow-md);
}

.nx-btn:hover::after { transform: translateX(120%); }
.nx-btn:active { transform: translateY(0); }

.nx-btn--amber {
  --btn-bg: var(--nx-amber);
  --btn-bd: var(--nx-amber);
}

.nx-btn--amber:hover { box-shadow: var(--nx-shadow-amber); }

.nx-btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--nx-ink);
  --btn-bd: var(--nx-ink);
}

.nx-btn--ghost:hover {
  --btn-bg: var(--nx-ink);
  --btn-fg: #fff;
}

.nx-btn--ghost-light {
  --btn-bg: transparent;
  --btn-fg: #fff;
  --btn-bd: rgba(255, 255, 255, .34);
}

.nx-btn--ghost-light:hover {
  --btn-bg: #fff;
  --btn-fg: var(--nx-graphite);
  --btn-bd: #fff;
}

.nx-btn--light {
  --btn-bg: #fff;
  --btn-fg: var(--nx-graphite);
  --btn-bd: #fff;
}

.nx-btn--sm { padding: 11px 20px; font-size: 12px; }
.nx-btn--lg { padding: 18px 40px; font-size: 14px; }
.nx-btn--block { width: 100%; }

/* 带箭头的按钮：hover 时箭头滑出 */
.nx-btn__arrow {
  display: inline-block;
  transition: transform var(--nx-dur) var(--nx-ease-out);
}

.nx-btn:hover .nx-btn__arrow { transform: translateX(5px); }

/* 文字型链接按钮 */
.nx-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  color: var(--nx-ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--nx-amber);
  transition: color var(--nx-dur-fast) var(--nx-ease), gap var(--nx-dur) var(--nx-ease);
}

.nx-link:hover { color: var(--nx-amber); gap: 14px; }

.nx-link--light { color: #fff; }
.nx-link--light:hover { color: var(--nx-amber-bright); }

/* ==========================================================================
   Cards / Surfaces
   ========================================================================== */

.nx-card {
  position: relative;
  background: var(--nx-white);
  border: var(--nx-border);
  border-radius: var(--nx-radius);
  transition: transform var(--nx-dur) var(--nx-ease),
              box-shadow var(--nx-dur) var(--nx-ease),
              border-color var(--nx-dur) var(--nx-ease);
}

.nx-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--nx-shadow-md);
  border-color: var(--nx-amber);
}

.nx-card__body { padding: var(--nx-sp-5); }

/* 带角标的工业卡片 */
.nx-card--corner::before,
.nx-card--corner::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid transparent;
  transition: border-color var(--nx-dur) var(--nx-ease);
  pointer-events: none;
}

.nx-card--corner::before {
  top: -1px; left: -1px;
  border-top-color: var(--nx-amber);
  border-left-color: var(--nx-amber);
  opacity: 0;
}

.nx-card--corner::after {
  bottom: -1px; right: -1px;
  border-bottom-color: var(--nx-amber);
  border-right-color: var(--nx-amber);
  opacity: 0;
}

.nx-card--corner:hover::before,
.nx-card--corner:hover::after { opacity: 1; }

/* 图片容器：统一裁切比例，hover 缓慢放大 */
.nx-frame {
  position: relative;
  overflow: hidden;
  background: var(--nx-sand-deep);
}

.nx-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--nx-ease-out), filter var(--nx-dur-slow) var(--nx-ease);
}

.nx-frame--4x3 { aspect-ratio: 4 / 3; }
.nx-frame--1x1 { aspect-ratio: 1 / 1; }
.nx-frame--3x4 { aspect-ratio: 3 / 4; }
.nx-frame--16x9 { aspect-ratio: 16 / 9; }

a:hover > .nx-frame img,
.nx-card:hover .nx-frame img { transform: scale(1.055); }

/* 产品卡片（首页与列表页共用） */
.nx-pcard {
  display: block;
  height: 100%;
  background: var(--nx-white);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  overflow: hidden;
  transition: transform var(--nx-dur) var(--nx-ease),
              box-shadow var(--nx-dur) var(--nx-ease),
              border-color var(--nx-dur) var(--nx-ease);
}

.nx-pcard:hover {
  transform: translateY(-6px);
  box-shadow: var(--nx-shadow-md);
  border-color: var(--nx-amber);
}

.nx-pcard__play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%);
  background: rgba(20, 22, 26, .55);
  backdrop-filter: blur(3px);
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  pointer-events: none;
  transition: all var(--nx-dur) var(--nx-ease);
}

.nx-pcard:hover .nx-pcard__play {
  background: var(--nx-amber);
  border-color: var(--nx-amber);
  transform: translate(-50%, -50%) scale(1.08);
}

.nx-pcard__body { padding: var(--nx-sp-5) var(--nx-sp-4) var(--nx-sp-4); }

.nx-pcard__title {
  font-size: 18px;
  margin-bottom: 10px;
  transition: color var(--nx-dur-fast) var(--nx-ease);
}

.nx-pcard:hover .nx-pcard__title { color: var(--nx-amber-deep); }

.nx-pcard__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--nx-ink-70);
  margin-bottom: var(--nx-sp-4);
}

.nx-pcard__more { margin-top: auto; }

.nx-pcard:hover .nx-pcard__more {
  color: var(--nx-amber);
  gap: 14px;
}

.nx-badge {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  padding: 5px 12px;
  background: var(--nx-amber);
  color: #fff;
  font-family: var(--nx-font-display);
  font-size: 11px;
  letter-spacing: .16em;
}

/* ==========================================================================
   Tags / Chips
   ========================================================================== */

.nx-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius-pill);
  background: var(--nx-white);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  color: var(--nx-ink-70);
  transition: all var(--nx-dur-fast) var(--nx-ease);
}

.nx-tag:hover {
  border-color: var(--nx-amber);
  color: var(--nx-amber);
  background: var(--nx-amber-wash);
}

.nx-tag--active {
  background: var(--nx-graphite);
  border-color: var(--nx-graphite);
  color: #fff;
}

.nx-tag--active:hover {
  background: var(--nx-amber);
  border-color: var(--nx-amber);
  color: #fff;
}

.nx-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nx-sp-3);
  font-size: var(--nx-fs-xs);
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  color: var(--nx-ink-45);
}

.nx-meta__dot {
  width: 3px; height: 3px;
  background: var(--nx-amber);
  border-radius: 50%;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.nx-field { position: relative; margin-bottom: var(--nx-sp-5); }

.nx-field__input,
.nx-field__area {
  width: 100%;
  padding: 14px 2px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--nx-line);
  border-radius: 0;
  font-size: 15px;
  transition: border-color var(--nx-dur) var(--nx-ease);
}

.nx-field__area {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
}

.nx-field__input:focus,
.nx-field__area:focus {
  outline: none;
  border-bottom-color: var(--nx-amber);
}

.nx-field__label {
  position: absolute;
  left: 2px;
  top: 14px;
  font-size: 15px;
  color: var(--nx-ink-45);
  pointer-events: none;
  transition: all var(--nx-dur) var(--nx-ease);
}

.nx-field__input:focus + .nx-field__label,
.nx-field__input:not(:placeholder-shown) + .nx-field__label,
.nx-field__area:focus + .nx-field__label,
.nx-field__area:not(:placeholder-shown) + .nx-field__label {
  top: -14px;
  font-size: 11px;
  letter-spacing: var(--nx-ls-caps);
  text-transform: uppercase;
  color: var(--nx-amber-deep);
}

.nx-field--dark .nx-field__input,
.nx-field--dark .nx-field__area {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, .24);
}

.nx-field--dark .nx-field__label { color: rgba(255, 255, 255, .5); }

.nx-field--dark .nx-field__input:focus,
.nx-field--dark .nx-field__area:focus { border-bottom-color: var(--nx-amber-bright); }

/* ==========================================================================
   Pagination
   ========================================================================== */

.nx-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--nx-sp-7);
}

.nx-pager a,
.nx-pager span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-radius);
  background: var(--nx-white);
  font-family: var(--nx-font-display);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--nx-ink-70);
  transition: all var(--nx-dur-fast) var(--nx-ease);
}

.nx-pager a:hover {
  border-color: var(--nx-graphite);
  background: var(--nx-graphite);
  color: #fff;
  transform: translateY(-2px);
}

.nx-pager .nx-pager__current,
.nx-pager span.nx-pager__current,
/* zan:pagelist 当前页以裸 <a class="page-num page-num-current"> 输出（不带 li 包裹） */
.nx-pager a.page-num-current {
  background: var(--nx-graphite);
  border-color: var(--nx-graphite);
  color: #fff;
  cursor: default;
}

.nx-pager .nx-pager__disabled {
  opacity: .38;
  pointer-events: none;
}

.nx-pager__label {
  width: auto !important;
  min-width: 0 !important;
  border: 0 !important;
  background: none !important;
  color: var(--nx-ink-45) !important;
  font-family: var(--nx-font-body) !important;
  font-size: 12px !important;
  letter-spacing: var(--nx-ls-caps) !important;
  text-transform: uppercase;
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.nx-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  color: var(--nx-ink-45);
}

.nx-crumb a:hover { color: var(--nx-amber); }

.nx-crumb__sep { color: var(--nx-ink-45); opacity: .6; }
.nx-crumb__current { color: var(--nx-ink); }

/* ==========================================================================
   Tables
   ========================================================================== */

.nx-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nx-table {
  width: 100%;
  border: 1px solid var(--nx-line);
  background: var(--nx-white);
}

.nx-table th,
.nx-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--nx-line-soft);
  font-size: 14px;
  text-align: left;
}

.nx-table thead th {
  background: var(--nx-graphite);
  color: #fff;
  font-family: var(--nx-font-display);
  font-weight: 500;
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  font-size: 13px;
}

.nx-table tbody tr:nth-child(even) { background: var(--nx-sand); }
.nx-table tbody tr:last-child td { border-bottom: 0; }
.nx-table tbody tr:hover { background: var(--nx-amber-wash); }

/* ==========================================================================
   Swiper 基础兼容（旧 swiper.css 以 .swiper-container 为主，此处补齐 .swiper 根类）
   ========================================================================== */

.swiper { position: relative; overflow: hidden; }

.swiper-wrapper {
  display: flex;
  box-sizing: border-box;
}

.swiper-slide {
  flex-shrink: 0;
  width: 100%;
  position: relative;
  transition-property: transform;
}

.swiper-slide img { display: block; }

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.nx-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--nx-dur-slow) var(--nx-ease-out),
              transform var(--nx-dur-slow) var(--nx-ease-out);
  will-change: opacity, transform;
}

.nx-reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .nx-reveal { opacity: 1 !important; transform: none !important; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.nx-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nx-hide { display: none !important; }
.nx-mt-0 { margin-top: 0; }
.nx-mt-4 { margin-top: var(--nx-sp-4); }
.nx-mt-6 { margin-top: var(--nx-sp-6); }
.nx-mb-4 { margin-bottom: var(--nx-sp-4); }
.nx-mb-6 { margin-bottom: var(--nx-sp-6); }
.nx-center { text-align: center; }
.nx-relative { position: relative; }

.nx-empty {
  padding: var(--nx-sp-8) var(--nx-sp-5);
  text-align: center;
  border: 1px dashed var(--nx-line);
  background: var(--nx-white);
  color: var(--nx-ink-70);
}

.nx-empty__title {
  font-family: var(--nx-font-display);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: var(--nx-ls-wide);
  color: var(--nx-ink);
  margin-bottom: 8px;
}

/* ==========================================================================
   Cookies 同意条 / 弹窗（cookies.htm 结构）
   ========================================================================== */

#cookies_agreement {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--nx-z-cookie);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--nx-sp-3);
  padding: 16px var(--nx-gutter);
  background: var(--nx-graphite);
  color: #fff;
  border-top: 2px solid var(--nx-amber);
}

#cookies_agreement.cookies-bottom {
  background: var(--nx-amber);
  color: var(--nx-ink);
  border-top: 0;
}

#cookies_agreement .cookies-content {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
  max-width: 78ch;
}

#cookies_agreement.cookies-bottom .cookies-content { color: rgba(20, 22, 26, .82); }

.cookies-button {
  flex-shrink: 0;
  padding: 10px 26px;
  background: var(--nx-amber);
  border: 1px solid var(--nx-amber);
  border-radius: var(--nx-radius);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--nx-ls-caps);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--nx-dur-fast) var(--nx-ease);
}

.cookies-button:hover {
  background: var(--nx-amber-bright);
  border-color: var(--nx-amber-bright);
}

#cookies_agreement.cookies-bottom .cookies-button {
  background: var(--nx-graphite);
  border-color: var(--nx-graphite);
  color: #fff;
}

/* 弹窗 */
.cookies-popup {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--nx-z-modal) + 10);
  padding: var(--nx-gutter);
  background: rgba(20, 22, 26, .6);
  overflow-y: auto;
}

.cookies-popup-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 10vh auto 0;
  background: var(--nx-white);
  border-radius: var(--nx-radius-lg);
  box-shadow: var(--nx-shadow-lg);
  padding: var(--nx-sp-6);
}

.cookies-popup-box-top {
  font-family: var(--nx-font-display);
  font-size: 22px;
  letter-spacing: var(--nx-ls-wide);
  text-transform: uppercase;
  padding-bottom: var(--nx-sp-3);
  margin-bottom: var(--nx-sp-4);
  border-bottom: 2px solid var(--nx-amber);
}

.cookies-popup-box-con {
  font-size: 14px;
  line-height: 1.85;
  color: var(--nx-ink-70);
  max-height: 52vh;
  overflow-y: auto;
}

.cookies-popup-box-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--nx-sp-5);
}

.cookies-popup-box-foot .cookies-button {
  background: var(--nx-graphite);
  border-color: var(--nx-graphite);
}

.cookies-popup-box-foot .cookies-button:hover {
  background: var(--nx-amber);
  border-color: var(--nx-amber);
}