/* ============================================================
   新酷云 - 海外服务器 首页样式
   设计稿还原 + 响应式 + 暗色主题 + 组件交互
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root {
  --brand-bg: #FAFAFA;
  --brand-surface: #FFFFFF;
  --brand-surface-2: #FFF5E6;
  --brand-ink: #1A1A1A;
  --brand-ink-2: #666666;
  --brand-ink-3: #999999;
  --brand-line: #EBEBEB;
  --brand-brand: #FF9500;
  --brand-brand-hover: #E68600;
  --brand-brand-light: #FFF0D6;
  --brand-brand-ink: #FFFFFF;

  --brand-state-success: #16A34A;
  --brand-state-warning: #F59E0B;
  --brand-state-error: #EF4444;
  --brand-state-info: #0EA5E9;

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 80px;

  --r-xs: 2px;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-pill: 999px;

  --shadow-1: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 1px rgba(15, 23, 42, .03);
  --shadow-2: 0 8px 24px -8px rgba(15, 23, 42, .12);
  --shadow-3: 0 24px 60px -20px rgba(15, 23, 42, .22);

  --font-stack: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;

  /* 排版尺度：字重只用 400 / 500 / 600 三档；行高按用途分三档，避免忽粗忽细、行距忽大忽小 */
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-strong: 600;
  --lh-tight: 1.3;
  /* 标题、单行文本 */
  --lh-meta: 1.6;
  /* 12–13px 小字、元信息、列表项 */
  --lh-base: 1.75;
  /* 正文段落、说明文字 */

  --max-w: 1280px;
  --header-h: 64px;
  --nav-h: 64px;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur: .25s;
}

.dark {
  --brand-bg: #0F0F12;
  --brand-surface: #1A1A1E;
  --brand-surface-2: #2A1F0F;
  --brand-ink: #F2F2F2;
  --brand-ink-2: #A6A6A6;
  --brand-ink-3: #737373;
  --brand-line: #2C2C30;
  --brand-brand: #FFB347;
  --brand-brand-hover: #FFA02E;
  --brand-brand-light: #33250F;
  --brand-brand-ink: #1A1A1A;

  --shadow-1: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-2: 0 8px 24px -8px rgba(0, 0, 0, .5);
  --shadow-3: 0 24px 60px -20px rgba(0, 0, 0, .7);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-stack);
  background: var(--brand-bg);
  color: var(--brand-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

img,
svg {
  display: block;
  max-width: 100%;
}

/* 标题统一：只用一个强调字重 600 + 行高 1.3（多行标题不再挤在一起） */
h1,
h2,
h3,
h4 {
  font-weight: var(--fw-strong);
  line-height: var(--lh-tight);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: 100%;
}

:focus-visible {
  outline: 2px solid var(--brand-brand);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
  padding: 8px 16px;
  border-radius: var(--r-md);
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* ---------- 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--s-5);
}

@media (max-width: 640px) {
  .container {
    padding-inline: var(--s-4);
  }
}

.section {
  padding-block: var(--s-4);
}

.section--surface {
  background: var(--brand-surface);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--s-7);
  }
}

@media (max-width: 480px) {
  .section {
    padding-block: var(--s-6);
  }
}

/* ---------- 通用图标 ---------- */
.icon {
  flex-shrink: 0;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 10px 20px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: var(--fw-medium);
  line-height: 1;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform .15s var(--ease),
    box-shadow var(--dur) var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
}

.btn--primary:hover {
  background: var(--brand-brand-hover);
  box-shadow: var(--shadow-2);
}

.btn--ghost {
  background: transparent;
  color: var(--brand-brand);
  border-color: transparent;
}

.btn--ghost:hover {
  color: var(--brand-brand-hover);
}

.btn--outline {
  background: var(--brand-surface);
  color: var(--brand-brand);
  border-color: var(--brand-brand);
}

.btn--outline:hover {
  background: var(--brand-brand-light);
}

.btn--lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn--sm {
  padding: 6px 14px;
  font-size: 12px;
}

.btn--block {
  width: 100%;
}

/* ---------- 顶栏：Logo + 主导航（同一行） ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--brand-surface);
  border-bottom: 1px solid var(--brand-line);
  backdrop-filter: saturate(180%) blur(8px);
}

.topbar__inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: var(--s-5);
  min-height: var(--nav-h);
}

.topbar .brand {
  align-self: center;
  flex-shrink: 0;
}

.topnav {
  display: flex;
  align-items: stretch;
}

/* ---------- 顶栏搜索框 ---------- */
.nav-search {
  position: relative;
  align-self: center;
  flex-shrink: 0;
}

.nav-search__form {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  height: 36px;
  padding: 0 0 0 12px;
  border: 1px solid var(--brand-line);
  border-radius: var(--r-pill);
  background: var(--brand-bg);
  transition: border-color var(--dur), box-shadow var(--dur);
}

.nav-search__form:focus-within {
  border-color: var(--brand-brand);
  box-shadow: 0 0 0 3px var(--brand-brand-light);
}

.nav-search__icon {
  flex-shrink: 0;
  color: var(--brand-ink-3);
}

.nav-search__form:focus-within .nav-search__icon {
  color: var(--brand-brand);
}

.nav-search__input {
  width: 180px;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 13px;
  color: var(--brand-ink);
}

.nav-search__input::placeholder {
  color: var(--brand-ink-3);
}

.nav-search__input::-webkit-search-cancel-button {
  display: none;
}

.nav-search__btn {
  flex-shrink: 0;
  height: 28px;
  padding: 0 14px;
  margin-right: 4px;
  border: 0;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: var(--fw-medium);
  color: #fff;
  background: var(--brand-brand);
  cursor: pointer;
  transition: filter var(--dur);
}

.nav-search__btn:hover {
  filter: brightness(1.08);
}

/* 关键词推荐弹层 */
.nav-search__suggest {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 300px;
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--brand-line);
  border-radius: var(--r-lg);
  background: var(--brand-surface);
  box-shadow: var(--shadow-2);
  z-index: 60;
}

.nav-search__suggest-title {
  font-size: 12px;
  color: var(--brand-ink-3);
  margin-bottom: var(--s-2);
}

.nav-search__keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.nav-search__keywords span {
  font-size: 12px;
  line-height: 1.6;
  color: var(--brand-ink-3);
  cursor: pointer;
  transition: color var(--dur);
}

.nav-search__keywords span:hover {
  color: var(--brand-brand);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}

.brand__logo {
  height: 40px;
  width: auto;
  border-radius: var(--r-md);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-size: 18px;
  font-weight: var(--fw-medium);
  letter-spacing: -.01em;
  color: var(--brand-ink);
}

.brand__domain {
  font-size: 12px;
  color: var(--brand-ink-3);
}

/* 主题切换（放在页脚） */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  color: var(--brand-ink-2);
  background: transparent;

  transition: color var(--dur), border-color var(--dur), background var(--dur);
}

.theme-toggle:hover {
  color: var(--brand-brand);
  border-color: var(--brand-brand);
  background: var(--brand-brand-light);
}

.theme-toggle .icon--moon {
  display: none;
}

.dark .theme-toggle .icon--sun {
  display: none;
}

.dark .theme-toggle .icon--moon {
  display: block;
}

.theme-toggle__text--dark {
  display: none;
}

.dark .theme-toggle__text--light {
  display: none;
}

.dark .theme-toggle__text--dark {
  display: inline;
}

/* ---------- 主导航 ---------- */
.nav__list {
  display: flex;
  align-items: stretch;
  gap: var(--s-5);
  font-size: 14px;
  font-weight: var(--fw-medium);
}

/* li 自身也是 flex，使 nav__link 撑满整条顶栏高度，下划线才能贴在底边 */
.nav__list>li {
  display: flex;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--brand-ink-2);
  transition: color var(--dur);
  white-space: nowrap;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--brand-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.nav__link:hover {
  color: var(--brand-brand);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__link.is-active {
  color: var(--brand-brand);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border-radius: var(--r-md);
  border: 1px solid var(--brand-line);
  color: var(--brand-ink);
}

.menu-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  background: var(--brand-surface);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand-brand-light), transparent 70%);
  opacity: .8;
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--s-7);
  align-items: center;
  padding-block: var(--s-8);
  position: relative;
}

.hero__eyebrow {
  margin: 0 0 var(--s-3);
  font-size: 13px;
  line-height: var(--lh-meta);
  letter-spacing: .08em;
  color: var(--brand-brand);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
}

.hero__title {
  margin: 0 0 var(--s-4);
  font-size: 36px;
  font-weight: var(--fw-strong);
  letter-spacing: -.01em;
  color: var(--brand-ink);
}

.hero__subtitle {
  margin: 0 0 var(--s-6);
  font-size: 16px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
  max-width: 36ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-4);
  margin-bottom: var(--s-6);
}

.hero__stats {
  display: flex;
  gap: var(--s-6);
  margin: 0;
  padding: var(--s-5) 0 0;
  border-top: 1px solid var(--brand-line);
}

.hero__stats>div {
  display: flex;
  flex-direction: column;
}

.hero__stats dt {
  font-size: 12px;
  color: var(--brand-ink-3);
  margin-bottom: 4px;
  order: 1;
}

.hero__stats dd {
  margin: 0;
  font-size: 20px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
  order: 0;
}

/* Hero globe：地球作为英雄区背景层，文案叠加在上层 */
.hero__inner {
  z-index: 1; /* 文案在地球之上 */
}

.hero__visual {
  position: absolute;
  top: 50%;
  right: -70px;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none; /* 容器不拦截点击，canvas/标签自行开启 */
}

.globe3d {
  position: relative;
  width: 660px;
  height: 660px;
}

.globe3d__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: auto; /* 球面可拖拽旋转 */
  touch-action: pan-y; /* 允许移动端纵向滚动，横向拖拽旋转地球 */
}

.globe3d__labels {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
  display: none; /* 名字改为直接绘制在 canvas 球面上，此层仅保留 SEO 链接 */
}

.globe3d__label {
  position: absolute;
  pointer-events: auto;
  font-size: 12px;
  line-height: 1.4;
  color: var(--brand-ink-2);
  white-space: nowrap;
  background: var(--brand-surface);
  padding: 2px 8px;
  border-radius: var(--r-pill);
  border: 1px solid var(--brand-line);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  transition: opacity .5s ease, color .15s ease, border-color .15s ease;
  will-change: left, top, opacity;
}

.globe3d__label:hover {
  color: var(--brand-brand);
  border-color: var(--brand-brand);
}

/* ---------- Section head ---------- */
.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-5);
  margin-bottom: var(--s-2);
  flex-wrap: wrap;
}

.section__title {
  margin: 0;
  font-size: 18px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
  letter-spacing: -.01em;
}

.section__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-2);
}

/* 标题与说明同行（Flex 基线对齐） */
.section__head-main {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px var(--s-3);
  min-width: 0;
}

.section__head-main .section__desc {
  margin: 0;
}

/* ---------- Products ---------- */
.products {
  background: var(--brand-bg);
  /* 标题上下的空隙保持一致（与 section__head 的 margin-bottom 相同） */
  padding-top: var(--s-4);
}



.products__toolbar {
  display: flex;
  gap: var(--s-4);
  align-items: center;
  flex-wrap: wrap;
}

.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-2);
  background: var(--brand-surface);
  border: 1px solid var(--brand-line);
  border-radius: var(--r-md);
  padding: 0 12px;
  height: 34px;
  color: var(--brand-ink-3);
  transition: border-color var(--dur), box-shadow var(--dur);
}

.search:focus-within {
  border-color: var(--brand-brand);
  box-shadow: 0 0 0 3px var(--brand-brand-light);
}

.search input {
  border: 0;
  outline: none;
  background: transparent;
  color: var(--brand-ink);
  width: 220px;
  font-size: 13px;
}

.search input::placeholder {
  color: var(--brand-ink-3);
}

.filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 2px;
  font-size: 13px;
  font-weight: var(--fw-normal);
  border-radius: 0;
  background: none;
  color: var(--brand-ink-2);
  transition: color var(--dur);
}

.filter__chip:hover {
  color: var(--brand-brand);
  background: none;
}

.filter__chip.is-active {
  background: none;
  color: var(--brand-brand);
  font-weight: var(--fw-medium);
}

.products__groups {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
}

.region-group {
  animation: fadeIn .4s var(--ease);
}

.region-group__head {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
  font-size: 16px;
  font-weight: var(--fw-medium);
  color: var(--brand-ink);
}

.region-group__head .icon {
  color: var(--brand-brand);
}

/* 卡片网格：桌面一行 4 列 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-2);
}

@media (max-width: 1200px) {
  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* 首页楼层：一行 4 列（与 Product::HOME_CARDS_PER_FLOOR 对应） */
.card-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Product card */
.product-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--brand-line);
  border-radius: var(--r-lg);
  background: var(--brand-surface);
  padding: 36px var(--s-5) var(--s-5);
  /* 顶部留出角标高度 */
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur), border-color var(--dur);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--brand-brand);
}

/* 地区角标：右上角斜切角贴，不占竖向空间 */
.product-card__badge {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 20px 0 16px;
  font-size: 12px;
  font-weight: var(--fw-medium);
  line-height: 1;
  background: var(--brand-brand-light);
  color: var(--brand-brand);
  /* 左下角 12px 斜切 */
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.product-card__name {
  margin: 0 0 var(--s-3);
  font-size: 14px;
  font-weight: var(--fw-medium);
  line-height: var(--lh-tight);
  color: var(--brand-ink);
}

.product-card__specs {
  margin: 0 0 var(--s-4);
  font-size: 13px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-2);
}

.product-card__specs>div {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--brand-line);
}

.product-card__specs>div:last-child {
  border-bottom: 0;
}

.product-card__desc {
  margin: 0 0 var(--s-4);
  font-size: 13px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-3);
}

.product-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: var(--s-4);
}

.product-card__price .num {
  font-size: 20px;
  font-weight: var(--fw-strong);
  color: var(--brand-brand);
}

.product-card__price .unit {
  font-size: 13px;
  color: var(--brand-ink-3);
}

.product-card__actions {
  display: flex;
  gap: var(--s-3);
  margin-top: auto;
}

.product-card__actions .btn {
  flex: 1;
  padding-block: 8px;
  font-size: 14px;
}

.products__empty {
  text-align: center;
  padding: var(--s-7) 0;
  color: var(--brand-ink-3);
  font-size: 14px;
}

/* ---------- Solutions ---------- */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-5);
}

@media (max-width: 1024px) {
  .solutions__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .solutions__grid {
    grid-template-columns: 1fr;
  }
}

/* 详情页「其它解决方案」按实际数量铺满一行 */
.solutions__grid--count-1 { grid-template-columns: 1fr; }
.solutions__grid--count-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.solutions__grid--count-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 1024px) {
  .solutions__grid--count-1,
  .solutions__grid--count-2,
  .solutions__grid--count-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .solutions__grid--count-1,
  .solutions__grid--count-2,
  .solutions__grid--count-3 {
    grid-template-columns: 1fr;
  }
}

.solution-card {
  position: relative;
  border: 1px solid var(--brand-line);
  border-radius: 14px;
  background: var(--brand-surface);
  padding: 22px 22px 20px;
  overflow: hidden;
  transition: transform var(--dur), box-shadow var(--dur), border-color var(--dur);
}

/* 顶部品牌色细条，hover 时点亮 */
.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-brand), #ffc371);
  opacity: 0;
  transition: opacity var(--dur);
}

.solution-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-brand);
  box-shadow: var(--shadow-2);
}

.solution-card:hover::before {
  opacity: 1;
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--brand-brand);
}

.solution-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--s-3);
}

.solution-card__head h3 {
  margin: 0;
  font-size: 16px;
}

.solution-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #fff3e0, #ffe0b3);
  color: var(--brand-brand);
  box-shadow: inset 0 0 0 1px rgba(255, 149, 0, .18);
  margin-bottom: 0;
}

.solution-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: var(--fw-medium);
  color: var(--brand-ink);
}

.solution-card p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
}

.solution-card ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--brand-line);
  font-size: 13px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-2);
}

.solution-card li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.solution-card li::before {
  content: "\2713";
  flex: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--brand-brand-light);
  color: var(--brand-brand);
  font-size: 10px;
  font-weight: var(--fw-strong);
  line-height: 15px;
  text-align: center;
}

/* ---------- Pricing band ---------- */
.pricing-band {
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
}

.pricing-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding-block: var(--s-6);
  flex-wrap: wrap;
}

.pricing-band__title {
  margin: 0;
  font-size: 24px;
  font-weight: var(--fw-strong);
}

.pricing-band__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: var(--lh-meta);
  opacity: .85;
}

.pricing-band .btn--primary {
  background: var(--brand-surface);
  color: var(--brand-brand);
}

.pricing-band .btn--primary:hover {
  background: var(--brand-bg);
}

/* ---------- News ---------- */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-5);
}

@media (max-width: 900px) {
  .news__grid {
    grid-template-columns: 1fr;
  }
}

.news-card {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  border: 1px solid var(--brand-line);
  border-radius: var(--r-lg);
  background: var(--brand-bg);
  padding: var(--s-5);
  transition: transform var(--dur), box-shadow var(--dur), border-color var(--dur);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--brand-brand);
}

.news-card__date {
  font-size: 12px;
  color: var(--brand-ink-3);
  font-weight: var(--fw-medium);
}

.news-card h3 {
  margin: 4px 0 8px;
  font-size: 16px;
  font-weight: var(--fw-medium);
  color: var(--brand-ink);
}

.news-card p {
  margin: 0;
  font-size: 14px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
}

.news-card__tag {
  align-self: flex-start;
  margin-top: auto;
  padding-top: var(--s-3);
  font-size: 12px;
  color: var(--brand-brand);
  font-weight: var(--fw-medium);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--brand-surface-2);
}

.footer__inner {
  padding-block: var(--s-8) var(--s-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1.6fr;
  gap: var(--s-6);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-6);
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand .brand {
  margin-bottom: var(--s-4);
}

.brand--footer .brand__logo {
  height: 32px;
}

/* 深色模式下顶栏/页脚都是深底，黑色 logo 会糊掉：反相成浅色版（橙色经 180° 色相旋转仍保留） */
.dark .brand__logo {
  filter: invert(1) hue-rotate(180deg);
}

.brand--footer .brand__name {
  font-size: 16px;
}

.footer__intro {
  margin: 0;
  font-size: 14px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
  max-width: 36ch;
}

.footer__col h4 {
  margin: 0 0 var(--s-4);
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--brand-ink);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  font-size: 14px;
  line-height: var(--lh-meta);
}

.footer__col a {
  color: var(--brand-ink-2);
  transition: color var(--dur);
}

.footer__col a:hover {
  color: var(--brand-brand);
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.footer__contact .icon {
  color: var(--brand-brand);
}

.footer__bottom {
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--brand-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-4);
  font-size: 12px;
  color: var(--brand-ink-3);
}

.footer__bottom-side {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  flex-wrap: wrap;
}

.footer__icp {
  margin: 0;
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
  box-shadow: var(--shadow-2);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur), transform var(--dur), visibility var(--dur), background var(--dur);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--brand-brand-hover);
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-4);
}

.modal[hidden] {
  display: none;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 20, .55);
  backdrop-filter: blur(4px);
  animation: fadeIn .2s ease;
}

.modal__panel {
  position: relative;
  z-index: 1;
  background: var(--brand-surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-3);
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .25s var(--ease);
}

.modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-ink-2);
  transition: background var(--dur), color var(--dur);
}

.modal__close:hover {
  background: var(--brand-line);
  color: var(--brand-ink);
}

.modal__body {
  padding: var(--s-6);
}

.modal__title {
  margin: 0 0 var(--s-2);
  font-size: 20px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
}

.modal__subtitle {
  margin: 0 0 var(--s-5);
  font-size: 14px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-2);
}

.modal__hero {
  background: var(--brand-brand-light);
  color: var(--brand-brand);
  font-size: 12px;
  font-weight: var(--fw-medium);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  display: inline-block;
  margin-bottom: var(--s-3);
}

.modal__name {
  margin: 0 0 var(--s-4);
  font-size: 18px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
}

.modal__specs {
  margin: 0 0 var(--s-5);
}

.modal__specs>div {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--brand-line);
  font-size: 14px;
}

.modal__specs>div:last-child {
  border-bottom: 0;
}

.modal__specs .label {
  color: var(--brand-ink-2);
}

.modal__specs .value {
  color: var(--brand-ink);
  font-weight: var(--fw-medium);
}

.modal__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: var(--s-5);
  padding: var(--s-4);
  background: var(--brand-bg);
  border-radius: var(--r-md);
}

.modal__price .num {
  font-size: 24px;
  font-weight: var(--fw-strong);
  color: var(--brand-brand);
}

.modal__price .unit {
  font-size: 14px;
  color: var(--brand-ink-3);
}

.modal__actions {
  display: flex;
  gap: var(--s-3);
}

.modal__actions .btn {
  flex: 1;
}

/* ---------- Trial form ---------- */
.trial-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: 0 var(--s-6) var(--s-6);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field__label {
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--brand-ink);
}

.req {
  color: var(--brand-state-error);
}

.field input,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--brand-line);
  border-radius: var(--r-md);
  background: var(--brand-bg);
  color: var(--brand-ink);
  transition: border-color var(--dur), box-shadow var(--dur);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand-brand);
  box-shadow: 0 0 0 3px var(--brand-brand-light);
}

.field input[readonly] {
  background: var(--brand-surface-2);
  color: var(--brand-ink-2);
}

.field__error {
  font-size: 12px;
  color: var(--brand-state-error);
  min-height: 0;
}

.field.is-invalid input,
.field.is-invalid textarea {
  border-color: var(--brand-state-error);
}

.field.is-invalid .field__error {
  min-height: 14px;
}

.trial-form__actions {
  display: flex;
  gap: var(--s-3);
  margin-top: var(--s-2);
}

.trial-form__actions .btn {
  flex: 1;
}

.trial-form__success {
  margin: 0;
  padding: var(--s-3) var(--s-4);
  background: rgba(22, 163, 74, .1);
  color: var(--brand-state-success);
  border-radius: var(--r-md);
  font-size: 14px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  background: var(--brand-ink);
  color: var(--brand-bg);
  padding: 10px 20px;
  border-radius: var(--r-pill);
  font-size: 14px;
  box-shadow: var(--shadow-2);
  z-index: 200;
  animation: toastIn .25s var(--ease);
}

.toast[hidden] {
  display: none;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translate(-50%, 8px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Nav items with caret ---------- */
.nav__item {
  position: relative;
}

/* Mega menu 容器改为 static，让 .mega 相对 .topbar 全宽展开 */
.nav__item--mega {
  position: static;
}

.nav__caret {
  margin-left: 4px;
  transition: transform var(--dur) var(--ease);
  color: var(--brand-ink-3);
}

.nav__link:hover .nav__caret,
.nav__item.is-open .nav__caret {
  color: var(--brand-brand);
  transform: rotate(180deg);
}

.nav__link[aria-expanded="true"] .nav__caret {
  color: var(--brand-brand);
  transform: rotate(180deg);
}

/* ---------- 经典下拉 (dropdown) ---------- */
/* 导航在顶栏右侧，下拉统一靠右展开，避免溢出视口 */
.dropdown {
  position: absolute;
  top: 100%;
  left: auto;
  right: 0;
  z-index: 60;
  min-width: 280px;
  max-width: 360px;
  background: var(--brand-surface);
  border: 1px solid var(--brand-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2);
  padding: var(--s-2);
  margin-top: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}

.dropdown--contact {
  min-width: 260px;
}

/* 解决方案 / 增值服务下拉：一行两列，面板相对导航项水平居中 */
.dropdown--grid {
  left: 50%;
  right: auto;
  min-width: 480px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-1);
  transform: translate(-50%, -6px);
}

/* ⚠ 打开态必须显式补回 -50%，否则面板会变成「从导航项中心向右展开」：
   下面是通用打开规则（特异性 0,3,0），高于 .dropdown--grid（0,1,0），
   会把 transform 覆盖成 translateY(0)，水平居中就丢了。
   桌面端限定，避免影响 ≤768px 的手风琴布局。 */
@media (min-width: 769px) {

  .nav__item--dropdown:hover>.dropdown--grid,
  .nav__item--dropdown.is-open>.dropdown--grid,
  .nav__link[aria-expanded="true"]+.dropdown--grid {
    transform: translate(-50%, 0) !important;
  }
}

.dropdown--grid .dropdown__item--all {
  grid-column: 1 / -1;
  justify-content: center;
}

.dropdown--grid .dropdown__icon,
.dropdown__icon .fa-solid {
  color: var(--brand-brand);
  font-size: 16px;
}

/* 产品详情弹窗：编号外链 */
.modal__hero a {
  color: inherit;
  text-decoration: none;
}

.modal__hero a:hover {
  color: var(--brand-brand);
}

.nav__item--dropdown:hover>.dropdown,
.nav__item--dropdown.is-open>.dropdown,
.nav__link[aria-expanded="true"]+.dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-3);
  border-radius: var(--r-md);
  transition: background var(--dur), color var(--dur);
}

.dropdown__item strong {
  display: block;
  font-size: 14px;
  line-height: var(--lh-tight);
  font-weight: var(--fw-medium);
  color: var(--brand-ink);
}

.dropdown__item em {
  display: block;
  font-style: normal;
  font-size: 12px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-3);
  margin-top: 2px;
}

.dropdown__item:hover {
  background: var(--brand-brand-light);
}

.dropdown__item:hover strong {
  color: var(--brand-brand);
}

.dropdown__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  background: var(--brand-bg);
  font-size: 18px;
  border: 1px solid var(--brand-line);
}

/* ---------- Mega Menu (直营产品) ---------- */
.mega {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 60;
  background: var(--brand-surface);
  border-bottom: 1px solid var(--brand-line);
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}

.nav__item--mega:hover>.mega,
.nav__item--mega.is-open>.mega,
.nav__link[aria-expanded="true"]+.mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  right: 0;
  height: 6px;
}

.mega__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 280px;
  gap: var(--s-6);
  padding-block: var(--s-6);
  border-top: 2px solid var(--brand-brand);
  /* tab indicator */
}

@media (max-width: 1280px) {
  .mega__inner {
    grid-template-columns: 1fr 1fr;
  }

  .mega__promo {
    grid-column: 1 / -1;
  }
}

.mega__group {
  min-width: 0;
}

.mega__head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: var(--fw-medium);
  line-height: var(--lh-meta);
  color: var(--brand-ink);
  padding-bottom: var(--s-3);
  margin-bottom: var(--s-2);
  border-bottom: 1px solid var(--brand-line);
}

.mega__head .icon {
  color: var(--brand-brand);
}

.mega__links {
  display: flex;
  flex-direction: column;
}

.mega__links a {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 8px var(--s-3);
  border-radius: var(--r-md);
  color: var(--brand-ink-2);
  font-size: 14px;
  transition: background var(--dur), color var(--dur);
}

.mega__links a:hover {
  background: var(--brand-brand-light);
  color: var(--brand-brand);
}

.mega__icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--r-md);
  background: var(--brand-bg);
  color: var(--brand-ink-2);
  border: 1px solid var(--brand-line);
  font-size: 12px;
  line-height: 1;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}

.mega__links a:hover .mega__icon {
  background: var(--brand-surface);
  color: var(--brand-brand);
  border-color: var(--brand-brand);
}

/* 标题前的内联图标（Font Awesome） */
.ico {
  color: var(--brand-brand);
  margin-right: 8px;
  font-size: .8em;
  vertical-align: -.05em;
}

.mega__meta {
  margin-left: auto;
  font-size: 12px;
  color: var(--brand-ink-3);
  font-weight: var(--fw-medium);
}

.mega__promo {
  background: linear-gradient(135deg, var(--brand-brand-light), var(--brand-bg));
  border-radius: var(--r-lg);
  border: 1px solid var(--brand-line);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mega__promo-inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.mega__promo-badge {
  align-self: flex-start;
  font-size: 12px;
  font-weight: var(--fw-medium);
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
}

.mega__promo h4 {
  margin: 0;
  font-size: 16px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
}

.mega__promo p {
  margin: 0;
  font-size: 13px;
  color: var(--brand-ink-2);
  line-height: var(--lh-base);
}

/* ---------- Mobile: dropdowns collapse into accordion ---------- */
@media (max-width: 768px) {

  .dropdown,
  .mega {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0;
    margin: 0;
    max-width: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur) var(--ease);
  }

  .nav__item--dropdown.is-open>.dropdown,
  .nav__item--mega.is-open>.mega {
    max-height: 600px;
  }

  .dropdown__item {
    padding: var(--s-3) 0;
    border-bottom: 1px solid var(--brand-line);
    border-radius: 0;
  }

  .dropdown__icon {
    display: none;
  }

  .dropdown--grid {
    left: 0;
    transform: none;
    min-width: 0;
    grid-template-columns: 1fr;
  }

  .mega__inner {
    grid-template-columns: 1fr;
    gap: var(--s-4);
    padding: var(--s-3) 0 var(--s-4);
    border-top: 0;
  }

  .mega__group {
    padding: 0 var(--s-5);
  }

  .mega__head {
    font-size: 14px;
  }

  .mega__links a {
    padding: 6px 0;
  }

  .mega__promo {
    margin: 0 var(--s-5);
    padding: var(--s-4);
  }

  .nav__caret {
    display: inline-block;
  }
}

/* ---------- Responsive: nav mobile ---------- */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    align-self: center;
  }

  .nav__list {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--brand-surface);
    border-bottom: 1px solid var(--brand-line);
    padding: var(--s-2) var(--s-5);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height var(--dur) var(--ease), opacity var(--dur), visibility var(--dur);
    box-shadow: var(--shadow-2);
  }

  .nav__list.is-open {
    max-height: 90vh;
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
  }

  .nav-search {
    display: none;
  }

  .nav__list>li {
    display: block;
  }

  .nav__link {
    display: flex;
    padding: var(--s-3) 0;
    border-bottom: 1px solid var(--brand-line);
  }

  .nav__link:last-child {
    border-bottom: 0;
  }

  .nav__link::after {
    display: none;
  }

  .nav__link.is-active {
    color: var(--brand-brand);
  }
}

/* ---------- Responsive: hero ---------- */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--s-5);
    padding-block: var(--s-6);
  }

  .hero__visual {
    position: static;
    transform: none;
    order: -1;
    display: flex;
    justify-content: center;   /* 移动端仍居中 */
    min-height: 260px;
  }

  .globe3d {
    width: 320px;
    height: 320px;
    margin: -10px -30px -10px 0;
  }

  .hero__title {
    font-size: 28px;
  }

  .hero__subtitle {
    font-size: 16px;
  }
}

@media (max-width: 560px) {
  .hero__stats {
    flex-wrap: wrap;
    gap: var(--s-4);
  }

  .hero__stats>div {
    flex: 1 1 calc(50% - var(--s-4));
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }
}

/* ---------- Responsive: section head ---------- */
@media (max-width: 768px) {
  .section__head {
    flex-direction: column;
    align-items: stretch;
  }

  .products__toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search input {
    width: 100%;
  }

  .section__title {
    font-size: 20px;
  }
}

/* ---------- Responsive: 楼层导航（≤1024px 折叠为顶部横向条） ---------- */
@media (max-width: 1024px) {
  .products__body {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-4);
  }

  .floor-nav {
    top: var(--nav-h);
    z-index: 40;
    padding: var(--s-3) 0;
    border: 0;
    border-bottom: 1px solid var(--brand-line);
    border-radius: 0;
    box-shadow: none;
    background: var(--brand-bg);
  }

  .floor-nav__inner {
    flex-direction: row;
    gap: var(--s-2);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .floor-nav__inner::-webkit-scrollbar {
    display: none;
  }

  .floor-nav__item {
    flex: 0 0 auto;
    padding: 6px 14px;
    border: 1px solid var(--brand-line);
    border-radius: var(--r-pill);
    background: var(--brand-surface);
  }

  .floor-nav__icon {
    display: inline-block;
    width: auto;
    font-size: 12px;
  }

  .floor-nav__name {
    flex: 0 0 auto;
  }

  .floor {
    scroll-margin-top: calc(var(--nav-h) + 60px);
  }
}

/* ---------- Responsive: 顶栏（窄屏隐藏 logo 域名 / 切换按钮文字） ---------- */
@media (max-width: 480px) {
  .brand__domain {
    display: none;
  }

  .theme-toggle .theme-toggle__text {
    display: none;
  }

  .theme-toggle {
    padding: 0 10px;
  }
}

/* ============================================================
   数据库对接后新增：数量标识 / 地区统计
   ============================================================ */

/* Mega Menu 栏目标题右侧的产品总数 */
.mega__badge {
  margin-left: auto;
  font-size: 12px;
  font-weight: var(--fw-medium);
  line-height: var(--lh-meta);
  padding: 0 8px;
  border-radius: var(--r-pill);
  background: var(--brand-brand-light);
  color: var(--brand-brand);
}

/* 地区筛选 chip 上的产品数量 */
.filter__num {
  margin-left: 5px;
  font-size: 12px;
  font-weight: var(--fw-normal);
  padding: 0;
  color: var(--brand-ink-3);
}

.filter__chip.is-active .filter__num {
  background: none;
  color: inherit;
}

/* 地区分组标题右侧统计 */
.region-group__count {
  margin-left: var(--s-2);
  font-size: 13px;
  font-weight: var(--fw-normal);
  color: var(--brand-ink-3);
}

/* 「查看全部 / 加载更多」 */
.region-group__more {
  display: flex;
  justify-content: center;
  margin-top: var(--s-5);
}

.region-group__more .btn[disabled] {
  opacity: .55;
  cursor: default;
}

.region-group[hidden] {
  display: none;
}

/* ============================================================
   机型楼层（首页）/ 地区页 / 机型页
   ============================================================ */

/* 楼层面板：左侧竖向导航 + 右侧楼层内容 */
.products__body {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

/* 宽屏（≥1440px）：楼层导航拉出内容区，贴在内容框左侧外面；小屏隐藏不占卡片位置 */
@media (min-width: 1440px) {
  .products__body {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--s-6);
    margin-left: -232px;
    width: calc(100% + 232px);
  }

  .floor-nav {
    display: block;
  }
}

/* 小屏：楼层导航改为横排标签行（不占侧边位置），产品卡片占满内容区 */
@media (max-width: 1439px) {
  .products__body {
    grid-template-columns: minmax(0, 1fr);
  }

  .floor-nav {
    position: static;
    padding: var(--s-2) 0;
    border: 0;
    border-bottom: 1px solid var(--brand-line);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }

  .floor-nav__inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--s-2);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .floor-nav__inner::-webkit-scrollbar {
    display: none;
  }

  .floor-nav__item {
    flex: 0 0 auto;
    padding: 6px 14px;
    border: 1px solid var(--brand-line);
    border-radius: var(--r-pill);
    background: var(--brand-surface);
  }
}

.floor-nav {
  position: sticky;
  top: calc(var(--nav-h) + var(--s-4));
  z-index: 40;
  background: var(--brand-surface);
  border: 1px solid var(--brand-line);
  border-radius: var(--r-lg);
  padding: var(--s-2);
  box-shadow: var(--shadow-1);
}

.floor-nav__inner {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.floor-nav__item {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 8px 10px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--brand-ink-2);
  transition: background var(--dur), color var(--dur);
}

.floor-nav__icon {
  flex: 0 0 auto;
  width: 15px;
  text-align: center;
  font-size: 12px;
  color: var(--brand-ink-3);
}

.floor-nav__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.floor-nav__item .filter__num {
  flex: 0 0 auto;
}

.floor-nav__item:hover {
  background: var(--brand-brand-light);
  color: var(--brand-brand);
}

.floor-nav__item:hover .floor-nav__icon {
  color: var(--brand-brand);
}

.floor-nav__item.is-active {
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
}

.floor-nav__item.is-active .floor-nav__icon {
  color: inherit;
}

.floor-nav__item.is-active .filter__num {
  background: rgba(255, 255, 255, .28);
  color: inherit;
}

/* 搜索态：隐藏左侧楼层导航，内容铺满 */
.products__body.is-searching {
  grid-template-columns: minmax(0, 1fr);
}

.products__body.is-searching .floor-nav {
  display: none;
}

/* 楼层 */
.floor {
  scroll-margin-top: calc(var(--nav-h) + var(--s-4));
}

.floor+.floor {
  border-top: 1px solid var(--brand-line);
  padding-top: var(--s-4);
}

.floor__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin-bottom: var(--s-2);
}

/* 楼层标题区：分类标签独占一行，机型名 + 统计并排在下一行（基线对齐） */
.floor__intro {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px var(--s-3);
  min-width: 0;
}

.floor__kicker {
  flex: 0 0 100%;
  /* 撑满一行，把机型名与统计挤到下一行 */
  font-size: 12px;
  font-weight: var(--fw-medium);
  line-height: var(--lh-meta);
  letter-spacing: .1em;
  color: var(--brand-brand);
  text-transform: uppercase;
}

.floor__title {
  margin: 0;
  font-size: 18px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
  letter-spacing: -.01em;
}

.floor__meta {
  margin: 0;
  font-size: 13px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-3);
}

/* 列表页（region.php / type.php） */
.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--s-4);
  font-size: 13px;
  color: var(--brand-ink-3);
}

.crumbs a:hover {
  color: var(--brand-brand);
}

.crumbs__current {
  color: var(--brand-ink);
  font-weight: var(--fw-medium);
}

.crumbs__sep {
  opacity: .55;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-bottom: var(--s-5);
}

/* 标题与统计同行（Flex 基线对齐） */
.page-head > div:first-child {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px var(--s-3);
  min-width: 0;
}

.page-head__meta {
  margin: 0;
}

.page-head__title {
  margin: 0;
  font-size: 18px;
  font-weight: var(--fw-strong);
  color: var(--brand-ink);
  letter-spacing: -.01em;
}

.page-head__title .ico {
  font-size: 18px;
}

.page-head__meta {
  margin: 0;
  font-size: 13px;
  line-height: var(--lh-meta);
  color: var(--brand-ink-2);
}

.page-head__meta strong {
  color: var(--brand-brand);
}

.page-head__meta .floor__kicker {
  display: inline-block;
  margin-right: 6px;
}

.filter-bar {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  margin-bottom: 10px;
}

.filter-bar .filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-bar__label {
  flex: 0 0 auto;
  min-width: 34px;
  padding: 5px 0;
  font-size: 12px;
  color: var(--brand-ink-3);
}

.filter-bar .filter {
  flex: 1;
}

/* 分页 */
.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  margin-top: var(--s-7);
}

.pager__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 4px;
  font-size: 14px;
  color: var(--brand-ink);
  transition: color var(--dur);
}

.pager__item:hover {
  color: var(--brand-brand);
}

.pager__item.is-active {
  color: var(--brand-brand);
  font-weight: var(--fw-medium);
}

.pager__item.is-disabled {
  opacity: .45;
  pointer-events: none;
}

.pager__item.is-gap {
  border: 0;
  background: transparent;
  min-width: 16px;
  padding: 0;
}

.pager__total {
  margin-left: auto;
  font-size: 13px;
  color: var(--brand-ink-3);
}

/* 404 提示 */
.page-msg {
  text-align: center;
  padding: var(--s-8) 0;
}

.page-msg__title {
  margin: 0 0 var(--s-3);
  font-size: 24px;
  color: var(--brand-ink);
}

.page-msg__desc {
  margin: 0 0 var(--s-5);
  color: var(--brand-ink-2);
  line-height: var(--lh-base);
}

.page-msg__actions {
  display: flex;
  gap: var(--s-3);
  justify-content: center;
  flex-wrap: wrap;
  margin: 0;
}

/* ---------- Print ---------- */
@media print {

  .nav,
  .back-to-top,
  .modal,
  .theme-toggle,
  .menu-toggle,
  .hero__visual,
  .pricing-band .btn {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .section {
    padding-block: var(--s-4);
  }
}
/* 页脚「热门地区」双列排布（覆盖 footer ul 的 flex 纵排） */
.footer__col ul.footer__cols2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-2) var(--s-5);
}

/* dock 内主题切换按钮：按当前主题显示太阳/月亮 */
.kf-dock__btn .icon--moon { display: none; }
html.dark .kf-dock__btn .icon--sun { display: none; }
html.dark .kf-dock__btn .icon--moon { display: inline-block; }

/* ---------- 右下角在线客服（kf-widget，参考 xiumiyun） ---------- */
.kf-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.kf-dock {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--brand-surface);
  border: 1px solid var(--brand-line);
  border-radius: 24px;
  box-shadow: var(--shadow-2);
  padding: 6px;
}

.kf-dock__btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--brand-ink-2);
  font-size: 16px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--dur);
}

.kf-dock__btn:hover {
  color: var(--brand-brand);
  background: var(--brand-brand-light);
}

.kf-dock__btn--kf {
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
}

.kf-dock__btn--kf:hover {
  background: var(--brand-brand);
  color: var(--brand-brand-ink);
  filter: brightness(1.06);
}

.kf-dock__sep {
  width: 22px;
  height: 1px;
  background: var(--brand-line);
  margin: 4px 0;
}

.kf-dock__icon--close { display: none; }
.kf-widget.is-open .kf-dock__icon--open { display: none; }
.kf-widget.is-open .kf-dock__icon--close { display: inline-block; }

#kf-go-top {
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: all var(--dur);
}

#kf-go-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* 客服面板：固定在 dock 左侧、底部对齐（不在上方弹出） */
.kf-panel {
  position: absolute;
  right: calc(100% + 12px);
  bottom: 0;
  width: 292px;
  background: var(--brand-surface);
  border: 1px solid var(--brand-line);
  border-radius: 14px;
  box-shadow: var(--shadow-2);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px) scale(.98);
  transition: all .22s var(--ease);
  pointer-events: none;
}

.kf-widget.is-open .kf-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.kf-panel__banner {
  position: relative;
  background: linear-gradient(135deg, var(--brand-brand), #ffbe66);
  color: #fff;
  padding: 14px 16px 12px;
}

.kf-panel__close {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 0;
  background: rgba(255, 255, 255, .22);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  display: grid;
  place-items: center;
}

.kf-panel__greet {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kf-panel__avatar {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .25);
  display: grid;
  place-items: center;
  font-size: 16px;
}

.kf-panel__status {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #35d07f;
  border: 2px solid #fff;
}

.kf-panel__title {
  margin: 0;
  font-size: 14px;
  font-weight: var(--fw-medium);
}

.kf-panel__tags {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
}

.kf-panel__tags li {
  font-size: 12px;
  background: rgba(255, 255, 255, .2);
  border-radius: 20px;
  padding: 2px 9px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kf-panel__body {
  padding: 12px;
}

.kf-panel__label {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--brand-ink-3);
}

.kf-channel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--brand-ink);
  transition: background var(--dur);
}

.kf-channel:hover {
  background: var(--brand-brand-light);
}

.kf-channel__icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand-bg);
  color: var(--brand-brand);
  display: grid;
  place-items: center;
  font-size: 16px;
  flex: none;
}

.kf-channel__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.kf-channel__text strong {
  font-size: 13px;
  font-weight: var(--fw-medium);
}

.kf-channel__text small {
  font-size: 12px;
  color: var(--brand-ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kf-channel__go {
  margin-left: auto;
  color: var(--brand-ink-3);
  font-size: 12px;
}

.kf-panel__foot {
  padding: 9px 14px;
  font-size: 12px;
  color: var(--brand-ink-3);
  border-top: 1px solid var(--brand-line);
  text-align: center;
}

@media (max-width: 640px) {
  .kf-widget { right: 14px; bottom: 14px; }
  .kf-panel {
    right: calc(100% + 10px);
    width: min(292px, calc(100vw - 70px));
  }
}

/* ---------- Solution pages（列表 /solutions 与详情 /solutions/{slug}） ---------- */
.solution-card--link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.solution-card--link:visited {
  color: inherit;
}

.solution-card__more {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--brand-brand);
}

.solution-card--link:hover .solution-card__more {
  text-decoration: underline;
}

.solutions__grid--page {
  margin-top: var(--s-5, 24px);
}

/* 列表页底部咨询引导 */
.solution-cta {
  margin-top: var(--s-6, 40px);
  border-radius: 18px;
}

/* ----- 详情页 Hero ----- */
.solution-hero {
  padding: 52px 0 8px;
}

.solution-hero__inner {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.solution-hero__icon.solution-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
}

.solution-hero__icon svg {
  width: 28px;
  height: 28px;
}

.solution-hero__content .page-head__title {
  margin: 6px 0 10px;
}

.solution-hero__desc {
  max-width: 760px;
  margin: 0 0 14px;
  font-size: 14px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
}

.solution-hero__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.solution-hero__highlights li {
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--brand-brand-light, #fff3e0);
  color: var(--brand-brand);
  font-size: 13px;
  font-weight: var(--fw-medium);
}

/* ----- 典型场景 ----- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-5, 24px);
}

@media (max-width: 1024px) {
  .scenario-grid {
    grid-template-columns: 1fr;
  }
}

.scenario-card {
  position: relative;
  border: 1px solid var(--brand-line);
  border-radius: 14px;
  background: var(--brand-surface);
  padding: 22px 22px 20px;
  transition: transform var(--dur), box-shadow var(--dur), border-color var(--dur);
}

.scenario-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-brand);
  box-shadow: var(--shadow-2);
}

.scenario-card__num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--brand-brand);
  letter-spacing: .08em;
}

.scenario-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--brand-ink);
}

.scenario-card p {
  margin: 0;
  font-size: 13px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
}

/* ----- 推荐产品分组 ----- */
.solution-group__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin: 6px 0 16px;
}

.solution-group--gap .solution-group__head {
  margin-top: var(--s-6, 40px);
}

.solution-group__title {
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--brand-ink);
}

.solution-group__desc {
  margin: 0;
  font-size: 13px;
  color: var(--brand-ink-3);
}

/* 组与组之间穿插的场景说明条 */
.solution-note {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: var(--s-5, 24px) 0;
  padding: 14px 18px;
  border-left: 3px solid var(--brand-brand);
  border-radius: 10px;
  background: var(--brand-brand-light, #fff8ee);
  font-size: 13px;
  line-height: var(--lh-base);
  color: var(--brand-ink-2);
}

.solution-note strong {
  color: var(--brand-ink);
  font-size: 14px;
}

/* 导航下拉里的「全部解决方案」入口 */
.dropdown__item--all {
  justify-content: center;
  border-top: 1px dashed var(--brand-line);
  color: var(--brand-brand);
  font-weight: var(--fw-medium);
}