/*
  黑龙江瑞霭科技有限公司｜官网重构样式
  方案来源：26家公司官网重构方案 -「安防科技型」B2B官网
  设计关键词：安全、专业、可靠、科技（杜绝模板化/AI风格）
*/

:root {
  /* 颜色系统（按方案） */
  --color-primary: #0c4a6e; /* 安防蓝 */
  --color-danger: #dc2626; /* 警示红 */
  --color-success: #059669; /* 监控绿 */
  --color-neutral: #4b5563; /* 设备灰 */

  --color-bg: #f8fafc; /* 页面背景 */
  --color-surface: #ffffff; /* 主要承载面 */
  --color-surface-2: #f1f5f9; /* 次级承载面 */
  --color-border: #e5e7eb;
  --color-border-strong: #cbd5e1;

  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-invert: #ffffff;

  /* 字体系统 */
  --font-display: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: var(--font-display);

  /* 字号系统 */
  --fs-900: clamp(2rem, 2.6vw, 2.75rem);
  --fs-800: clamp(1.5rem, 1.9vw, 2rem);
  --fs-700: 1.375rem;
  --fs-600: 1.125rem;
  --fs-500: 1rem;
  --fs-400: 0.9375rem;
  --fs-300: 0.875rem;

  /* 间距系统 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 48px;
  --spacing-2xl: 72px;

  /* 圆角（克制） */
  --radius-xs: 2px;
  --radius-sm: 6px;
  --radius-md: 10px;

  /* 阴影（克制） */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 12px 28px rgba(15, 23, 42, 0.14);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.18);

  /* 布局 */
  --container-max: 1200px;
  --header-top-h: 56px;
  --header-nav-h: 64px;

  /* 可访问性 */
  --focus-ring: 0 0 0 3px rgba(5, 150, 105, 0.25);

  /* 兼容旧变量（避免遗漏页面时断样式） */
  --color-secondary: var(--color-surface-2);
  --color-accent: var(--color-success);
  --color-cta: var(--color-danger);
  --color-text-dark: var(--color-text);
  --color-text-light: var(--color-text-invert);
  --border-radius-sm: var(--radius-sm);
  --border-radius-md: var(--radius-md);
  --shadow-light: var(--shadow-sm);
  --shadow-deep: var(--shadow-md);
  --font-family-primary: var(--font-body);
  --font-size-base: 16px;
  --font-size-h1: var(--fs-900);
  --font-size-h2: var(--fs-800);
  --font-size-h3: var(--fs-700);
  --font-size-h4: var(--fs-600);
}

/* 基础重置 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

/* 排版基线（克制且一致） */
h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.25;
  letter-spacing: 0.2px;
}

h2 {
  font-size: var(--fs-800);
}

h3 {
  font-size: var(--fs-700);
}

h4 {
  font-size: var(--fs-600);
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding-left: 1.1em;
}

li {
  margin: 0.35em 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover {
  color: #0b5a86;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-xs);
}

/* 可访问性辅助 */
.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;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  background: var(--color-text);
  color: var(--color-text-invert);
  border-radius: var(--radius-sm);
  transform: translateY(-140%);
  transition: transform 160ms ease;
  z-index: 9999;
}

.skip-link:focus {
  transform: translateY(0);
}

/* 容器与栅格（移动端优先） */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.grid > [class*="col-"] {
  grid-column: span 12;
}

/* 单行卡片滚动（移动端保持一行可横向滚动，桌面三等分） */
.grid--row-3 {
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  overflow-x: auto;
  padding-bottom: 6px;
}

.grid--row-3 > [class*="col-"] {
  grid-column: auto;
}

@media (min-width: 1024px) {
  .grid--row-3 {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
  }
}

.grid--row-4 {
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 1fr);
  overflow-x: auto;
  padding-bottom: 6px;
}

.grid--row-4 > [class*="col-"] {
  grid-column: auto;
}

@media (min-width: 1024px) {
  .grid--row-4 {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, 1fr);
    overflow: visible;
  }
}

/* 页脚三列自适应 */
.grid--footer {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}

@media (min-width: 768px) {
  .grid {
    gap: var(--spacing-lg);
  }

  .col-sm-12 {
    grid-column: span 12;
  }
  .col-sm-6 {
    grid-column: span 6;
  }
  .col-sm-4 {
    grid-column: span 4;
  }
  .col-sm-3 {
    grid-column: span 3;
  }
}

@media (min-width: 1024px) {
  .col-1 {
    grid-column: span 1;
  }
  .col-2 {
    grid-column: span 2;
  }
  .col-3 {
    grid-column: span 3;
  }
  .col-4 {
    grid-column: span 4;
  }
  .col-5 {
    grid-column: span 5;
  }
  .col-6 {
    grid-column: span 6;
  }
  .col-7 {
    grid-column: span 7;
  }
  .col-8 {
    grid-column: span 8;
  }
  .col-9 {
    grid-column: span 9;
  }
  .col-10 {
    grid-column: span 10;
  }
  .col-11 {
    grid-column: span 11;
  }
  .col-12 {
    grid-column: span 12;
  }
}

/* 旧页面中使用的“order”类（用于栅格自动流重排） */
.order-1 {
  order: 1;
}
.order-2 {
  order: 2;
}
.order-3 {
  order: 3;
}

@media (max-width: 767.98px) {
  .order-sm-1 {
    order: 1;
  }
  .order-sm-2 {
    order: 2;
  }
  .order-sm-3 {
    order: 3;
  }
}

/* 页面区块 */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  margin: 0 0 var(--spacing-lg);
  font-size: var(--fs-800);
  letter-spacing: 0.2px;
  color: var(--color-primary);
}

.section-title--center {
  text-align: center;
}

.section-kicker {
  margin: 0 0 var(--spacing-sm);
  font-size: var(--fs-300);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-neutral);
}

.section-lead {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 72ch;
}

/* 通用面板（避免“圆润卡片风”） */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.panel > * + * {
  margin-top: var(--spacing-md);
}

.panel--tight {
  padding: var(--spacing-md);
}

.panel--roomy {
  padding: var(--spacing-lg);
}

.panel--muted {
  background: var(--color-surface-2);
}

/* 按钮（克制、明确） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: background-color 160ms ease, color 160ms ease,
    border-color 160ms ease, transform 120ms ease;
}

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

.btn-primary {
  background: var(--color-danger);
  color: var(--color-text-invert);
}

.btn-primary:hover {
  background: #b91c1c;
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(12, 74, 110, 0.08);
}

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

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-block {
  width: 100%;
}

/* 徽标/状态 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--fs-300);
  color: var(--color-text-muted);
}

.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-neutral);
}

.badge--success::before {
  background: var(--color-success);
}

.badge--danger::before {
  background: var(--color-danger);
}

/* 站点头部（双层结构，符合方案“产品中心/解决方案”快捷入口） */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #08344e;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__top {
  background: var(--color-primary);
  min-height: var(--header-top-h);
}

.topbar {
  min-height: var(--header-top-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  color: var(--color-text-invert);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  color: var(--color-text-invert);
}

.brand__name {
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand__tagline {
  font-size: var(--fs-300);
  color: rgba(255, 255, 255, 0.78);
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar__link {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-invert);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.topbar__link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-invert);
}

.topbar__hotline {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-invert);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.site-header__nav {
  background: #08344e;
}

.nav {
  min-height: var(--header-nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-invert);
  cursor: pointer;
}

.nav__toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nav__toggle-icon {
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after,
.nav__toggle-icon span {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 2px;
}

.nav__toggle-icon::before {
  top: 0;
}

.nav__toggle-icon span {
  top: 5px;
}

.nav__toggle-icon::after {
  bottom: 0;
}

.nav__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.site-header.is-nav-open .nav__menu {
  display: flex;
  padding: 12px 0 16px;
}

.nav__item {
  position: relative;
}

.nav__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.nav__row:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav__row.is-current {
  border-color: rgba(5, 150, 105, 0.55);
  box-shadow: 0 0 0 1px rgba(5, 150, 105, 0.25) inset;
}

.nav__link {
  display: block;
  flex: 1 1 auto;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.92);
}

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

.nav__link[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.5);
  text-underline-offset: 4px;
}

.nav__subtoggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-invert);
  cursor: pointer;
}

.nav__subtoggle::before {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(255, 255, 255, 0.78);
  border-bottom: 2px solid rgba(255, 255, 255, 0.78);
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.nav__item.is-sub-open .nav__subtoggle::before {
  transform: rotate(225deg);
}

.nav__sub {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: none;
  border-left: 2px solid rgba(255, 255, 255, 0.12);
  margin-left: 10px;
  padding-left: 10px;
}

.nav__item.is-sub-open > .nav__sub {
  display: block;
}

.nav__sub a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.9);
}

.nav__sub a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-invert);
}

@media (min-width: 1024px) {
  .nav {
    justify-content: flex-start;
  }

  .nav__toggle {
    display: none;
  }

  .nav__menu {
    display: flex;
    flex-direction: row;
    width: auto;
    gap: 10px;
  }

  .nav__row {
    border-color: transparent;
    background: transparent;
  }

  .nav__row:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .nav__link {
    padding: 10px 10px;
  }

  .nav__item--has-sub .nav__link {
    padding-right: 6px;
  }

  .nav__subtoggle {
    width: 28px;
    height: 28px;
    border-color: transparent;
    background: transparent;
  }

  .nav__sub {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 220px;
    background: #0a3b57;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: 10px;
    margin: 0;
    display: none;
    border-left: 0;
  }

  .nav__item:hover > .nav__sub {
    display: block;
  }

  .nav__item--has-sub:focus-within > .nav__sub {
    display: block;
  }
}

/* 页面顶部安全感背景（不使用紫色渐变/玻璃拟态） */
.page-hero {
  position: relative;
  padding: calc(var(--spacing-xl) + 10px) 0 var(--spacing-xl);
  color: var(--color-text-invert);
  background: #08344e;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(5, 150, 105, 0.18), transparent 40%),
    radial-gradient(circle at 84% 30%, rgba(220, 38, 38, 0.16), transparent 44%),
    url("../images/tech_01.png");
  background-size: auto, auto, cover;
  background-position: center;
  opacity: 0.55;
  filter: saturate(0.9);
}

.page-hero__inner {
  position: relative;
  display: grid;
  gap: 12px;
}

.page-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-hero h1 {
  margin: 0;
  font-size: var(--fs-900);
  letter-spacing: 0.02em;
}

.page-hero p {
  margin: 0;
  max-width: 70ch;
  color: rgba(255, 255, 255, 0.88);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-300);
  color: rgba(255, 255, 255, 0.78);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.breadcrumbs a:hover {
  color: var(--color-text-invert);
  text-decoration-color: rgba(255, 255, 255, 0.7);
}

.breadcrumbs li + li::before {
  content: "/";
  opacity: 0.7;
  margin-right: 8px;
}

/* 首页：主视觉（按方案“智慧安防·守护平安”） */
.home-hero {
  position: relative;
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  color: var(--color-text-invert);
  background: #062b40;
  overflow: hidden;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(5, 150, 105, 0.22), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(220, 38, 38, 0.18), transparent 42%),
    linear-gradient(135deg, #08344e 0%, #041e2d 50%, #062b40 100%);
  opacity: 0.95;
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.06),
      rgba(255, 255, 255, 0.06) 1px,
      transparent 1px,
      transparent 22px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.05),
      rgba(255, 255, 255, 0.05) 1px,
      transparent 1px,
      transparent 22px
    );
  opacity: 0.35;
  mix-blend-mode: overlay;
}

.home-hero__inner {
  position: relative;
  display: grid;
  gap: 18px;
  padding: var(--spacing-xl) 0;
}

.home-hero h1 {
  margin: 0;
  font-size: var(--fs-900);
  letter-spacing: 0.02em;
}

.home-hero p {
  margin: 0;
  max-width: 70ch;
  color: rgba(255, 255, 255, 0.9);
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.home-hero__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

/* 首页栅格化主视觉 */
.hero-grid {
  display: grid;
  gap: var(--spacing-lg);
  align-items: stretch;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.3fr 0.7fr;
  }
}

.stat-board {
  display: grid;
  gap: var(--spacing-md);
  height: 100%;
}

.stat-board__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.stat-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 1.2em;
  color: var(--color-text-muted);
}

.stat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(12, 74, 110, 0.2);
  color: var(--color-primary);
  background: rgba(12, 74, 110, 0.06);
  font-weight: 700;
}

/* 图文块 */
.media {
  display: grid;
  gap: var(--spacing-lg);
  align-items: center;
}

@media (min-width: 1024px) {
  .media {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .media--reverse {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.media__visual img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.media__content h2,
.media__content h3 {
  margin: 0 0 var(--spacing-md);
  color: var(--color-primary);
}

.media__content p {
  margin: 0 0 var(--spacing-md);
  color: var(--color-text-muted);
}

/* Tabs（解决方案切换） */
.tabs {
  display: grid;
  gap: var(--spacing-md);
}

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

.tabs__tab {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-weight: 800;
  cursor: pointer;
}

.tabs__tab[aria-selected="true"] {
  border-color: rgba(5, 150, 105, 0.55);
  box-shadow: 0 0 0 1px rgba(5, 150, 105, 0.25) inset;
}

.tabs__panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
}

.tabs__panel[hidden] {
  display: none;
}

/* 列表（新闻/案例/岗位） */
.list {
  display: grid;
  gap: 12px;
}

.list-item {
  display: grid;
  gap: 10px;
  padding: 14px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .list-item {
    grid-template-columns: 160px 1fr;
    align-items: center;
  }
}

.list-item__meta {
  font-size: var(--fs-300);
  color: var(--color-neutral);
}

.list-item__title {
  margin: 0;
  font-weight: 900;
  color: var(--color-text);
}

.list-item__title a {
  color: inherit;
}

.list-item__title a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.list-item__desc {
  margin: 6px 0 0;
  color: var(--color-text-muted);
  font-size: var(--fs-400);
}

/* 核心数据/指标块 */
.metrics {
  display: grid;
  gap: var(--spacing-md);
}

.metrics-grid {
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

.metric-card {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.metric-card h3 {
  margin: 0;
  font-size: 2rem;
  color: var(--color-primary);
}

.metric-card p {
  margin: 6px 0 0;
  color: var(--color-text-muted);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: var(--spacing-sm) 0 0;
}

.pill {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: var(--fs-300);
}

/* 分步/流程 */
.flow-steps {
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .flow-steps {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

.flow-step {
  padding: var(--spacing-lg);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.flow-step strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-primary);
}

/* 案例布局 */
.case-feature {
  display: grid;
  gap: var(--spacing-lg);
  align-items: center;
}

@media (min-width: 1024px) {
  .case-feature {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.case-feature img {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}

.case-stack {
  display: grid;
  gap: var(--spacing-md);
}

.case-stack .panel {
  height: 100%;
}

/* 详情页排版与元信息 */
.article {
  display: grid;
  gap: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.75;
}

.article h3 {
  margin: 0;
  color: var(--color-primary);
}

.article p {
  margin: 0;
  color: var(--color-text-muted);
}

.article ul {
  margin: 0 0 0 1.1em;
  color: var(--color-text-muted);
}

.article li {
  margin: 6px 0;
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: var(--spacing-sm) 0 var(--spacing-md);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--fs-300);
}

.meta-pill strong {
  color: var(--color-text);
}

.map-embed {
  width: 100%;
  min-height: 360px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  background: var(--color-surface-2);
}

/* 联系页表单 */
.form {
  display: grid;
  gap: 12px;
}

.field label {
  display: block;
  font-weight: 800;
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--fs-500);
  background: var(--color-surface);
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field-hint {
  font-size: var(--fs-300);
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* 旧页面：联系信息卡（迁移自contact.html内联样式） */
.contact-info-card {
  background-color: var(--color-surface-2);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  border: 1px solid var(--color-border);
}

.contact-info-card h3 {
  color: var(--color-primary);
  margin: 0 0 var(--spacing-sm);
}

.contact-form-container {
  background-color: var(--color-surface-2);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-form-container input[type="text"],
.contact-form-container input[type="email"],
.contact-form-container textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  background: var(--color-surface);
}

.contact-form-container textarea {
  resize: vertical;
  min-height: 150px;
}

/* 页脚 */
.site-footer,
.footer {
  background: #062b40;
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer a,
.footer a {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer a:hover,
.footer a:hover {
  color: var(--color-text-invert);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: var(--spacing-md);
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--fs-300);
}

/* 动效（克制 & 尊重降低动态偏好） */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}