/**
 * 低代码开发平台 — 企业站样式
 * 设计系统: 白色基底 + 活力橙(#F97316) + 深蓝(#0B1A2E) + 浅灰
 * 风格: 亮色大圆角 + 纯白卡片 + 大留白 + 开发者社区感
 * 纯原生 CSS，第三方库全部 CDN 引入
 * PBootCMS 第三方模板模式 — {pboot:sitedomain}/skin/
 */

/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 品牌色 */
  --orange: #F97316;
  --orange-hover: #EA5E0C;
  --orange-light: rgba(249, 115, 22, 0.08);
  --orange-medium: rgba(249, 115, 22, 0.15);
  --orange-border: rgba(249, 115, 22, 0.25);

  /* 深蓝 — 深色区块/Footer */
  --navy: #0B1A2E;
  --navy-light: #132438;
  --navy-card: rgba(11, 26, 46, 0.03);

  /* 灰阶 */
  --gray-bg: #F8F9FB;
  --gray-card: #FFFFFF;
  --gray-border: #E5E8EC;
  --gray-border-light: #EDF0F4;
  --gray-text: #5A6270;
  --gray-text-light: #8B929E;
  --gray-text-muted: #B0B7C3;

  /* 文字 */
  --text-heading: #0B1A2E;
  --text-body: #3A4250;
  --text-secondary: #5A6270;
  --text-muted: #8B929E;
  --text-white: #FFFFFF;
  --text-white-secondary: rgba(255, 255, 255, 0.75);

  /* 渐变 */
  --gradient-orange: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
  --gradient-dark: linear-gradient(135deg, #0B1A2E 0%, #1A3550 100%);
  --gradient-hero-overlay: linear-gradient(180deg, rgba(11, 26, 46, 0.55) 0%, rgba(11, 26, 46, 0.3) 50%, rgba(255, 255, 255, 1) 100%);

  /* 圆角 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(11, 26, 46, 0.04);
  --shadow-sm: 0 2px 8px rgba(11, 26, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(11, 26, 46, 0.08);
  --shadow-lg: 0 8px 32px rgba(11, 26, 46, 0.10);
  --shadow-xl: 0 16px 48px rgba(11, 26, 46, 0.12);
  --shadow-orange: 0 4px 16px rgba(249, 115, 22, 0.25);

  /* 间距 */
  --section-py: 100px;
  --section-py-sm: 72px;
  --container-max: 1200px;
  --header-h: 64px;

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration: 300ms;
  --duration-slow: 500ms;

  /* 字体 */
  --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

/* ============================================================
   全局重置 & 基础
   ============================================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background: #FFFFFF;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: rgba(249, 115, 22, 0.2);
  color: var(--navy);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-bg); }
::-webkit-scrollbar-thumb { background: var(--gray-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-text-light); }

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

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

ul, ol { list-style: none; }

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

input::placeholder, textarea::placeholder {
  color: var(--gray-text-muted);
  opacity: 1;
}

/* ============================================================
   排版
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  background: var(--orange-light);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================================
   布局容器
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-py) 0;
}

.section--gray {
  background: var(--gray-bg);
}

.section--navy {
  background: var(--navy);
  color: var(--text-white);
}

.section--navy .section-title { color: #fff; }
.section--navy .section-subtitle { color: var(--text-white-secondary); }
.section--navy .section-tag { background: rgba(249, 115, 22, 0.2); }

/* ============================================================
   Header — 白色实底 + 深色文字 (13.11 避坑)
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-border-light);
  transition: box-shadow var(--duration) var(--ease-out);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: auto;
}

.header__logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-orange);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
}

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

.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.01em;
}

.header__logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 600;
}

/* 主导航 */
.header__nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.header__nav-link {
  padding: 8px 15px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  font-weight: 500;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--orange);
  background: var(--orange-light);
}

/* 导航下拉 (13.3 z-index) */
.header__nav-item {
  position: relative;
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 170px;
  padding: 8px 0;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--duration) var(--ease-out);
  z-index: 60;
}

.header__dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.header__dropdown a:hover {
  color: var(--orange);
  background: var(--orange-light);
}

/* 头部右侧操作区 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 20px;
}

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: var(--gradient-orange);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}

.header__cta:hover {
  color: #fff;
  box-shadow: var(--shadow-orange);
  transform: translateY(-1px);
}

/* ============================================================
   汉堡菜单 — 移动端 (13.4 独立于 header__actions)
   ============================================================ */
.hamburger {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
  margin-left: 8px;
  border-radius: var(--radius-xs);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-heading);
  border-radius: 1px;
  transition: all var(--duration) var(--ease-out);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 80%;
  max-width: 360px;
  background: #fff;
  z-index: 120;
  transform: translateX(-100%);
  transition: transform var(--duration) var(--ease-out);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav__inner {
  padding: 24px;
  padding-top: 80px;
}

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-heading);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  font-weight: 500;
}

.mobile-nav__link:hover {
  color: var(--orange);
  background: var(--orange-light);
}

.mobile-nav__sub {
  padding-left: 16px;
  display: none;
}

.mobile-nav__sub.open {
  display: block;
}

.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 26, 46, 0.5);
  z-index: 115;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}

.mobile-nav__overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-orange);
  color: #fff;
}

.btn--primary:hover {
  box-shadow: var(--shadow-orange);
  transform: translateY(-2px);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange-border);
}

.btn--outline:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
  transform: translateY(-2px);
}

.btn--white {
  background: #fff;
  color: var(--navy);
}

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

.btn--navy {
  background: var(--navy);
  color: #fff;
}

.btn--navy:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 15px 36px;
  font-size: 1rem;
}

.btn--sm {
  padding: 8px 18px;
  font-size: 0.82rem;
}

/* ============================================================
   卡片系统 — 纯白 + 橙色点缀
   ============================================================ */
.card {
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration) var(--ease-out);
}

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

.card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--gray-bg);
}

/* img 直接挂载 card__image 类的兼容 */
img.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.card:hover img.card__image {
  transform: scale(1.05);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__body {
  padding: 22px;
}

.card__tag {
  display: inline-block;
  padding: 3px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--orange);
  background: var(--orange-light);
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--gray-border-light);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.card__price {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--orange);
  margin-top: 10px;
}

/* ============================================================
   橙色侧边色块卡片
   ============================================================ */
.card--accent {
  border-left: 4px solid var(--orange);
}

.card--accent:hover {
  border-left-color: var(--orange);
}

/* ============================================================
   模板网格 — 应用模板列表页
   ============================================================ */
.template-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 992px) {
  .template-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .template-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

/* ========== 案例网格 (客户案例列表) ========== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 992px) {
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .case-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

/* 图片外层 a 链接 */
.card__image-wrap {
  display: block;
  position: relative;
  overflow: hidden;
}

/* hover 覆盖层 */
.card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 26, 46, 0.75) 0%, rgba(11, 26, 46, 0.0) 50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 24px;
  opacity: 0;
  transition: opacity var(--duration) var(--ease-out);
  z-index: 2;
}

.card:hover .card__overlay {
  opacity: 1;
}

/* card__overlay 中的按钮微调 */
.card__overlay .btn {
  transform: translateY(8px);
  transition: transform var(--duration) var(--ease-out);
}

.card:hover .card__overlay .btn {
  transform: translateY(0);
}

/* card__tag 作为图片角标 (绝对定位) */
.card__image-wrap .card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  margin-bottom: 0;
}

/* ---------- 卡片底部栏 footer ---------- */
.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--gray-border-light);
  gap: 12px;
}

.card__tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* 底部 CTA */
.card__cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange);
  white-space: nowrap;
  transition: color var(--duration-fast);
  flex-shrink: 0;
}

.card__cta:hover {
  color: #ea580c;
}

.card__cta i {
  font-size: 0.72rem;
  margin-left: 4px;
  transition: transform var(--duration-fast);
}

.card__cta:hover i {
  transform: translateX(4px);
}

/* ========== 标签系统 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
  line-height: 1.4;
}

.tag i {
  font-size: 0.62rem;
}

.tag--scene {
  background: rgba(249, 115, 22, 0.08);
  color: var(--orange);
}

.tag--deploy {
  background: rgba(11, 26, 46, 0.06);
  color: var(--navy);
}

/* ========== 卡片 title 链接无下划线 ========== */
.card__title a {
  color: inherit;
}

.card__title a:hover {
  color: var(--orange);
}

/* ========== 筛选隐藏状态 ========== */
[data-filter-item].filter-hidden {
  display: none;
}

/* ============================================================
   首页 — Hero Banner
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  max-height: 900px;
  overflow: hidden;
  background: var(--navy);
}

.hero .swiper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg,
    rgba(11, 26, 46, 0.4) 0%,
    rgba(11, 26, 46, 0.2) 45%,
    rgba(255, 255, 255, 0.85) 85%,
    #fff 100%);
}

/* 橙色遮罩片 */
.hero__overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  padding-top: var(--header-h);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1rem;
  max-width: 700px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__title span {
  color: var(--orange);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 560px;
  font-weight: 400;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Swiper 分页器 */
.hero-pagination {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}

.hero-pagination .swiper-pagination-bullet {
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.4);
  opacity: 1;
  transition: all var(--duration);
}

.hero-pagination .swiper-pagination-bullet-active {
  width: 56px;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.5);
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollFloat 2s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 28px;
  background: linear-gradient(180deg, #fff, transparent);
}

@keyframes scrollFloat {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative;
  height: 300px;
  overflow: hidden;
  background: var(--navy);
}

.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 46, 0.65) 0%, rgba(11, 26, 46, 0.5) 50%, #fff 100%);
}

.inner-banner__content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  padding-top: var(--header-h);
}

.inner-banner__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.inner-banner__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
}

/* 面包屑 */
.breadcrumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--gray-border-light);
  position: sticky;
  top: var(--header-h);
  z-index: 30;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 12px 24px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.breadcrumb a:hover {
  color: var(--orange);
}

.breadcrumb i {
  font-size: 0.6rem;
  color: var(--gray-text-muted);
}

/* ============================================================
   首页模块 — 数据统计
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-border-light);
  transition: all var(--duration) var(--ease-out);
}

.stat-item:hover {
  border-color: var(--orange-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.stat-item__number .unit {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy);
}

.stat-item__label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   首页模块 — 能力卡片（4列）
   ============================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  text-align: center;
  padding: 36px 22px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--duration) var(--ease-out);
}

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

.feature-card__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  border-radius: var(--radius-md);
  background: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--orange);
  transition: all var(--duration) var(--ease-spring);
}

.feature-card:hover .feature-card__icon {
  background: var(--orange);
  color: #fff;
  transform: scale(1.1);
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.feature-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   首页模块 — 流程步骤
   ============================================================ */
.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.flow-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 20px;
}

.flow-step::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -16px;
  width: 32px;
  height: 2px;
  background: var(--gray-border);
}

.flow-step:last-child::after {
  display: none;
}

.flow-step__num {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--gradient-orange);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  box-shadow: var(--shadow-orange);
}

.flow-step__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.flow-step__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ============================================================
   首页模块 — 社区入口（4格）
   ============================================================ */
.community-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.community-card {
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--duration) var(--ease-out);
  cursor: pointer;
}

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

.community-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: var(--radius-md);
  background: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--orange);
}

.community-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.community-card__desc {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ============================================================
   首页模块 — 价格卡片（3列）
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  padding: 36px 28px;
  background: #fff;
  border: 2px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--duration) var(--ease-out);
  position: relative;
}

.pricing-card--featured {
  border-color: var(--orange);
  box-shadow: var(--shadow-orange);
  transform: scale(1.03);
}

.pricing-card--featured::before {
  content: '推荐';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-orange);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
}

.pricing-card:hover {
  border-color: var(--orange-border);
  box-shadow: var(--shadow-md);
}

.pricing-card--featured:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-orange);
}

.pricing-card__name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--orange);
  margin: 12px 0 20px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: 24px;
}

.pricing-card__features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--gray-border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-card__features li i {
  color: var(--orange);
  font-size: 0.8rem;
}

/* ============================================================
   首页模块 — CTA 横幅
   ============================================================ */
.cta-banner {
  background: var(--gradient-orange);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-banner__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  position: relative;
}

.cta-banner__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  position: relative;
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}

/* ============================================================
   首页模块 — 评价卡片
   ============================================================ */
.testimonial-card {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--duration) var(--ease-out);
}

.testimonial-card:hover {
  border-color: var(--orange-border);
  box-shadow: var(--shadow-md);
}

.testimonial-card__quote {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
  position: relative;
  padding-left: 20px;
}

.testimonial-card__quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -4px;
  font-size: 2rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  opacity: 0.5;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-border-light);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--orange);
  font-size: 0.9rem;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.9rem;
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   新闻资讯列表页 — 横向图文列表
   ============================================================ */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-list__item {
  display: flex;
  gap: 28px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--duration) var(--ease-out);
  align-items: flex-start;
}

.news-list__item:hover {
  border-color: var(--orange-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.news-list__image {
  flex-shrink: 0;
  width: 260px;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
}

.news-list__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.news-list__item:hover .news-list__image img {
  transform: scale(1.05);
}

.news-list__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.news-list__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list__title a {
  color: inherit;
}

.news-list__title a:hover {
  color: var(--orange);
}

.news-list__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-list__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 17px;
  padding-top: 17px;
  border-top: 1px solid var(--gray-border-light);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.news-list__meta i {
  color: var(--orange);
  margin-right: 4px;
}

@media (max-width: 768px) {
  .news-list__item {
    flex-direction: column;
    gap: 18px;
    padding: 20px;
  }

  .news-list__image {
    width: 100%;
  }

  .news-list__title {
    font-size: 1.05rem;
  }
}

/* ============================================================
   新闻列表条 (首页侧边栏)
   ============================================================ */
.news-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease-out);
  margin-bottom: 12px;
}

.news-item:hover {
  border-color: var(--orange-border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.news-item__thumb {
  width: 140px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--gray-bg);
}

.news-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-item__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-item__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.news-item__date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.news-item__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   列表页 — 网格
   ============================================================ */
.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.list-header {
  text-align: center;
  margin-bottom: 48px;
}

.list-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.5rem;
}

/* 子栏目过滤栏 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  margin-bottom: 36px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-bar a,
.filter-bar__chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.5;
}

.filter-bar a:hover,
.filter-bar a.active,
.filter-bar__chip:hover,
.filter-bar__chip--active {
  color: #fff;
  background: var(--orange);
  border-color: var(--orange);
}

/* ============================================================
   详情页
   ============================================================ */
.detail {
  max-width: 900px;
  margin: 0 auto;
}

.detail__header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-border-light);
}

.detail__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 12px;
}

.detail__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.detail__meta-row i {
  margin-right: 4px;
  color: var(--orange);
}

/* 详情参数卡 */
.detail__params {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.detail__param {
  padding: 18px 16px;
  background: var(--gray-bg);
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-sm);
  text-align: center;
}

.detail__param-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 500;
}

.detail__param-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--orange);
}

/* 详情正文 */
.detail__body {
  color: var(--text-body);
  line-height: 2;
  font-size: 0.95rem;
  letter-spacing: 0.015em;
}

.detail__body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  max-width: 100%;
}

.detail__body p { margin-bottom: 16px; }

.detail__body h2, .detail__body h3, .detail__body h4 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  margin-top: 32px;
  margin-bottom: 16px;
}

/* ========== 详情页布局 Grid ========== */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

@media (max-width: 992px) {
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- 详情主内容区 ---------- */
.detail__main {
  min-width: 0;
}

/* 封面图 */
.detail__cover img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

/* ---------- meta-cards 扩展字段卡片 ---------- */
.detail__meta-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .detail__meta-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.meta-card {
  padding: 18px 14px;
  background: var(--gray-bg);
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.meta-card:hover {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.08);
}

.meta-card--highlight {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.06), rgba(249, 115, 22, 0.01));
  border-color: var(--orange);
}

.meta-card__icon {
  font-size: 1.2rem;
  color: var(--orange);
  margin-top: 2px;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.meta-card__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  font-weight: 500;
}

.meta-card__value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.4;
}

/* ---------- 详情正文 ---------- */
.detail__body {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--gray-border-light);
}

/* ---------- 上一篇/下一篇 ---------- */
.detail__prevnext {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  font-size: 0.88rem;
}

.detail__prevnext a {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--gray-bg);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.detail__prevnext a:hover {
  color: var(--orange);
  background: var(--orange-light);
}

/* ---------- 侧边栏 ---------- */
.detail__sidebar {
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.sidebar-card {
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-border-light);
  text-decoration: none;
  color: inherit;
  transition: all var(--duration-fast);
}

.sidebar-card__item:last-child {
  border-bottom: none;
}

.sidebar-card__item:hover {
  color: var(--orange);
}

.sidebar-card__item--text {
  gap: 10px;
}

.sidebar-card__item img {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.sidebar-card__rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--gray-bg);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}

.sidebar-card__item:nth-child(1) .sidebar-card__rank,
.sidebar-card__item:nth-child(2) .sidebar-card__rank,
.sidebar-card__item:nth-child(3) .sidebar-card__rank {
  background: var(--orange);
  color: #fff;
}

.sidebar-card__item-title {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 2px;
}

.sidebar-card__item-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ---------- 文章头部 (新闻详情) ---------- */
.article-header__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--gray-border-light);
}

.article-header__meta i {
  margin-right: 4px;
}

/* ---------- 文章标签 ---------- */
.article-tags {
  margin: 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.article-tags a {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.78rem;
  background: var(--gray-bg);
  color: var(--text-secondary);
  border-radius: 100px;
  text-decoration: none;
  transition: all var(--duration-fast);
}

.article-tags a:hover {
  background: var(--orange);
  color: #fff;
}

/* ---------- 分享栏 ---------- */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.share-bar a {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color var(--duration-fast);
}

.share-bar a:hover {
  color: var(--orange);
}

/* ---------- 标签云 ---------- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud__item {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  background: var(--gray-bg);
  color: var(--text-secondary);
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--duration-fast);
}

.tag-cloud__item:hover {
  background: var(--orange);
  color: #fff;
}

/* 上下篇 */
.detail__pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-border-light);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.detail__pager a {
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.detail__pager a:hover {
  color: var(--orange);
}

/* 相关推荐 */
.related-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 56px 0 24px;
  color: var(--text-heading);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ============================================================
   Tab 切换
   ============================================================ */
.tab-nav {
  display: flex;
  gap: 4px;
  background: var(--gray-bg);
  padding: 4px;
  border-radius: var(--radius-full);
  margin-bottom: 32px;
  overflow-x: auto;
}

.tab-btn {
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.tab-btn.active {
  background: #fff;
  color: var(--orange);
  font-weight: 700;
  box-shadow: var(--shadow-xs);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ============================================================
   联系我们页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--gray-bg);
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: all var(--duration-fast) var(--ease-out);
}

.contact-info__item:hover {
  border-color: var(--orange-border);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-info__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 2px;
}

.contact-info__value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 联系表单 */
.contact-form-card {
  padding: 36px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--orange);
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background: var(--gray-bg);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-sm);
  color: var(--text-heading);
  font-size: 0.9rem;
  transition: all var(--duration-fast) var(--ease-out);
}

.form-control:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-light);
  background: #fff;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238B929E' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ============================================================
   搜索页
   ============================================================ */
.search-box {
  max-width: 700px;
  margin: 0 auto;
}

.search-form-row {
  display: flex;
  gap: 10px;
}

.search-form-row input {
  flex: 1;
  padding: 15px 20px;
  padding-left: 44px;
  background: #fff;
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-full);
  color: var(--text-heading);
  font-size: 0.95rem;
}

.search-form-row input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-light);
}

.search-input-wrap {
  position: relative;
  flex: 1;
}

.search-input-wrap i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-result-item {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--gray-border-light);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  margin-bottom: 10px;
}

.search-result-item:hover {
  border-color: var(--orange-border);
  box-shadow: var(--shadow-sm);
}

.search-result-item__thumb {
  width: 100px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--gray-bg);
}

.search-result-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-item__info {
  flex: 1;
  min-width: 0;
}

.search-result-item__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.search-result-item__date {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.search-result-item__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  font-weight: 500;
}

.pagination a:hover {
  background: var(--orange-light);
  color: var(--orange);
}

.pagination .active {
  background: var(--orange);
  color: #fff;
  font-weight: 700;
}

.pagination .disabled {
  color: var(--gray-text-muted);
  pointer-events: none;
}

/* ============================================================
   空状态
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state i {
  font-size: 3rem;
  color: var(--gray-border);
  margin-bottom: 16px;
  display: block;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================================
   Footer 底部 — 深蓝背景
   ============================================================ */
.footer {
  background: var(--navy);
  color: var(--text-white-secondary);
}

.footer__top-line {
  height: 3px;
  background: var(--gradient-orange);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 0 40px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.footer__brand-desc {
  font-size: 0.88rem;
  color: var(--text-white-secondary);
  line-height: 1.7;
  margin: 16px 0;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white-secondary);
  font-size: 1rem;
  transition: all var(--duration-fast) var(--ease-out);
}

.footer__social a:hover {
  background: var(--orange);
  color: #fff;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.88rem;
  color: var(--text-white-secondary);
  transition: color var(--duration-fast);
}

.footer__links a:hover {
  color: var(--orange);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-white-secondary);
  margin-bottom: 10px;
}

.footer__contact-item i {
  color: var(--orange);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer__qrcode {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #999;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 0.8rem;
  color: var(--text-white-secondary);
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom a {
  color: var(--text-white-secondary);
  transition: color var(--duration-fast);
}

.footer__bottom a:hover {
  color: var(--orange);
}

/* ============================================================
   友情链接
   ============================================================ */
.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
}

.friend-links__label {
  font-size: 0.82rem;
  color: var(--text-white-secondary);
  flex-shrink: 0;
}

.friend-links a {
  font-size: 0.82rem;
  color: var(--text-white-secondary);
  transition: color var(--duration-fast);
}

.friend-links a:hover {
  color: var(--orange);
}

/* ============================================================
   在线客服按钮
   ============================================================ */
.online-service {
  position: fixed;
  right: 20px;
  bottom: 120px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-orange);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 80;
  box-shadow: var(--shadow-orange);
  transition: all var(--duration) var(--ease-spring);
}

.online-service:hover {
  transform: scale(1.1);
}

/* 脉冲动画 */
.online-service::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  animation: servicePulse 2s infinite;
}

@keyframes servicePulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed;
  right: 20px;
  bottom: 60px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--gray-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 79;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration) var(--ease-out);
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-top:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

/* ============================================================
   动画系统
   ============================================================ */

/* 浮动动画 */
@keyframes floatUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float-element {
  animation: floatUpDown 4s ease-in-out infinite;
}

/* 按钮脉冲 */
@keyframes btnPulse {
  0% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(249, 115, 22, 0); }
  100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}

.pulse {
  animation: btnPulse 2s infinite;
}

/* ============================================================
   响应式 — 平板 (768px-1023px)
   ============================================================ */
@media (max-width: 1023px) {
  :root { --section-py: 72px; }

  .header__nav,
  .header__actions {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    height: 85vh;
    min-height: 520px;
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .community-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .flow-steps {
    flex-wrap: wrap;
    gap: 24px;
  }

  .flow-step {
    flex: 0 0 calc(50% - 12px);
  }

  .flow-step::after {
    display: none;
  }

  .list-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================================
   响应式 — 移动端 (<768px)
   ============================================================ */
@media (max-width: 767px) {
  :root { --section-py: 56px; }

  .hero {
    height: 80vh;
    min-height: 440px;
    max-height: 600px;
  }

  .hero__content {
    padding-bottom: 60px;
  }

  .inner-banner {
    height: 200px !important;
  }

  .features {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .feature-card {
    padding: 14px 6px;
  }

  .feature-card__icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    margin: 0 auto 8px;
  }

  .feature-card__title {
    font-size: 0.75rem;
    margin-bottom: 4px;
  }

  .feature-card__desc {
    font-size: 0.65rem;
    line-height: 1.4;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-item {
    padding: 20px 10px;
  }

  .stat-item__number {
    font-size: 1.75rem;
    margin-bottom: 4px;
  }

  .stat-item__number .unit {
    font-size: 1.15rem;
  }

  .stat-item__label {
    font-size: 0.8rem;
  }

  .community-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .community-card {
    padding: 14px 4px;
  }

  .community-card__icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    margin: 0 auto 8px;
  }

  .community-card__title {
    font-size: 0.75rem;
  }

  .community-card__desc {
    font-size: 0.65rem;
  }

  .flow-steps {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
  }

  .flow-step {
    flex: 1;
    width: auto;
    padding: 0 4px;
  }

  .flow-step__num {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
    margin: 0 auto 8px;
  }

  .flow-step__title {
    font-size: 0.78rem;
  }

  .flow-step__desc {
    font-size: 0.65rem;
    line-height: 1.4;
  }

  .list-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* 客户案例：手机端只保留前 2 条 */
  .list-grid--cases .card:nth-child(n+3) {
    display: none;
  }

  .list-grid .card__body {
    padding: 16px 14px;
  }

  .list-grid .card__title {
    font-size: 1rem;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* 底部快速链接：手机端改横向一行 */
  .footer__links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 18px;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .news-item {
    flex-direction: column;
  }

  .news-item__thumb {
    width: 100%;
    height: 180px;
  }

  /* 首页新闻：手机端只保留 1 条并压缩 */
  .news-list .news-item:nth-child(n+2) {
    display: none;
  }

  .news-list .news-item {
    padding: 12px;
    margin-bottom: 0;
  }

  .news-list .news-item__thumb {
    height: 110px;
  }

  .news-list .news-item__title {
    font-size: 0.95rem;
  }

  .news-list .news-item__desc {
    font-size: 0.8rem;
  }

  .detail__params {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail__pager {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .contact-form-card {
    padding: 24px;
  }

  .search-result-item {
    flex-direction: column;
  }

  .search-result-item__thumb {
    width: 100%;
    height: 160px;
  }

  .pricing-grid {
    max-width: 100%;
  }

  .pricing-card {
    padding: 24px 20px;
  }

  .pricing-card__name {
    font-size: 1.05rem;
  }

  .pricing-card__price {
    font-size: 2rem;
    margin: 8px 0 14px;
  }

  .pricing-card__price span {
    font-size: 0.85rem;
  }

  .pricing-card__features {
    margin-bottom: 16px;
  }

  .pricing-card__features li {
    padding: 5px 0;
    font-size: 0.85rem;
  }

  .back-top {
    right: 12px;
    bottom: 50px;
  }

  .online-service {
    right: 12px;
    bottom: 100px;
  }

  .cta-banner {
    padding: 24px 16px;
  }

  .cta-banner__title {
    font-size: 1.25rem;
    margin-bottom: 0.4rem;
  }

  .cta-banner__subtitle {
    font-size: 0.85rem;
    margin-bottom: 14px;
  }

  .cta-banner__actions {
    gap: 8px;
  }

  /* 详情页：侧边栏 AOS fade-left 初始态会把整栏右推 100px 造成横向溢出，
     移动端直接取消该位移动画，内容保持原位可见 */
  .detail__sidebar {
    transform: none !important;
    opacity: 1 !important;
  }

  /* 详情页：上/下一篇长标题 nowrap 撑破视口，允许 flex 项收缩并省略号截断 */
  .detail__prevnext {
    gap: 8px;
  }

  .detail__prevnext > div {
    min-width: 0;
  }

  /* 客户案例列表页：压缩 banner + 卡片更紧凑 */
  .case-grid {
    gap: 14px;
  }

  .case-grid .card__image {
    aspect-ratio: auto;
    height: 150px;
  }

  .case-grid .card__body {
    padding: 12px 14px;
  }

  .case-grid .card__title {
    font-size: 0.95rem;
    margin-bottom: 4px;
  }

  .case-grid .card__desc {
    font-size: 0.8rem;
    line-height: 1.5;
    -webkit-line-clamp: 1;
  }

  .case-grid .card__footer {
    margin-top: 10px;
    padding-top: 10px;
    gap: 8px;
  }

  .case-grid .card__cta {
    font-size: 0.75rem;
  }

  .case-grid .tag {
    font-size: 0.68rem;
    padding: 2px 8px;
  }

  /* 新闻列表页：压缩条目 */
  .news-list {
    gap: 14px;
  }

  .news-list__item {
    gap: 12px;
    padding: 12px;
  }

  .news-list__image {
    width: 100%;
    aspect-ratio: auto;
    height: 140px;
  }

  .news-list__title {
    font-size: 0.95rem;
    margin-bottom: 4px;
    -webkit-line-clamp: 1;
  }

  .news-list__desc {
    font-size: 0.8rem;
    line-height: 1.5;
    -webkit-line-clamp: 2;
  }

  .news-list__meta {
    gap: 10px;
    margin-top: 8px;
    padding-top: 8px;
    font-size: 0.75rem;
  }
}

/* ============================================================
   响应式 — 小屏 (<375px)
   ============================================================ */
@media (max-width: 374px) {
  body { font-size: 14px; }
  .stats { grid-template-columns: 1fr; }
}

/* ============================================================
   偏好：减少动画
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}