/* ============================================================
   公司官网全局样式
   主题变量可在下方 :root 中自定义
   ============================================================ */

:root {
  /* 品牌色 */
  --color-primary: #2b5ee9;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #5b8def;
  --color-primary-soft: rgba(43, 94, 233, 0.08);
  --color-accent: #0ea5b7;
  --color-accent-soft: rgba(14, 165, 183, 0.1);

  /* 中性色 */
  --color-text: #17233b;
  --color-text-light: #5b6b85;
  --color-bg: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-page: #f5f7fb;
  --color-bg-soft: #eef2f8;
  --color-border: #e2e8f2;
  --color-border-strong: #cbd5e1;

  /* 状态色 */
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;

  /* 字体与间距 */
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue",
    Arial, "Noto Sans SC", sans-serif;
  --container-width: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05), 0 2px 8px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.07), 0 12px 32px rgba(16, 24, 40, 0.09);
  --shadow-lg: 0 8px 20px rgba(16, 24, 40, 0.09), 0 24px 56px rgba(16, 24, 40, 0.13);
  --transition: 0.25s ease;

  /* 导航高度 */
  --header-height: 72px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg-page);
  background-image: radial-gradient(1200px 480px at 50% -80px, rgba(43, 94, 233, 0.045), transparent 70%);
  background-attachment: fixed;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 700;
}

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

.section {
  padding: 88px 0;
}

.section--soft {
  background: var(--color-bg-soft);
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(26px, 4vw, 38px);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 17px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  border: 2px solid transparent;
  transition: all var(--transition);
}

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

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

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--white {
  background: var(--color-bg-card);
  color: var(--color-primary);
}

.btn--white:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  padding: 15px 36px;
  font-size: 17px;
}

/* ---------- 顶栏导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
}

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

.logo__mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 10px;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle span {
  top: 21px;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero（首页首屏） ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, #eff6ff 0%, #f0fdfa 55%, #f8fafc 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12), transparent 70%);
  top: -180px;
  right: -120px;
}

.hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
  bottom: -160px;
  left: -100px;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 96px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero__badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.15);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  font-size: 18px;
  color: var(--color-text-light);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
}

.hero__stat strong {
  display: block;
  font-size: 28px;
  color: var(--color-primary);
}

.hero__stat span {
  font-size: 14px;
  color: var(--color-text-light);
}

.hero__visual {
  position: relative;
}

.hero__card {
  background: var(--color-bg-card);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 32px;
  border: 1px solid var(--color-border);
}

.hero__card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.hero__card-head h3 {
  font-size: 18px;
}

.hero__card-head .tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-success);
  font-weight: 600;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  height: 200px;
}

.chart-bar {
  flex: 1;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--color-primary-light), var(--color-primary));
  opacity: 0.85;
  transition: opacity var(--transition);
}

.chart-bar:hover {
  opacity: 1;
}

.chart-bar .bar-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-light);
  text-align: center;
}

.hero__float {
  position: absolute;
  background: var(--color-bg-card);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
}

.hero__float--1 {
  top: -24px;
  left: -28px;
  animation: float 5s ease-in-out infinite;
}

.hero__float--2 {
  bottom: -20px;
  right: -16px;
  animation: float 6s ease-in-out 1s infinite;
}

.hero__float .icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 特性卡片（首页） ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.feature-card .icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  background: rgba(37, 99, 235, 0.08);
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 15px;
}

/* ---------- 关于/介绍区块（首页） ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-media img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.about-media .exp-badge {
  position: absolute;
  bottom: -20px;
  right: -12px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 16px;
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-media .exp-badge strong {
  display: block;
  font-size: 32px;
  line-height: 1;
}

.about-media .exp-badge span {
  font-size: 13px;
  opacity: 0.9;
}

.about-content h2 {
  font-size: clamp(26px, 3.6vw, 36px);
  margin-bottom: 20px;
}

.about-content > p {
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.check-list .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.12);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-top: 3px;
}

.check-list strong {
  font-weight: 600;
}

/* ---------- 数字统计条 ---------- */
.stats-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats-grid .num {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stats-grid .label {
  opacity: 0.85;
  font-size: 15px;
}

/* ---------- 流程 / 时间线 ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px 28px;
}

.step-card::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 40px;
  font-weight: 800;
  color: rgba(37, 99, 235, 0.12);
  line-height: 1;
}

.step-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--color-text-light);
  font-size: 14.5px;
}

/* ---------- 新闻列表 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.news-card__thumb {
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
}

.news-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.news-card__meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--color-text-light);
}

.news-card__body h3 {
  font-size: 18px;
  line-height: 1.45;
}

.news-card__body h3 a {
  color: var(--color-text);
}

.news-card__body h3 a:hover {
  color: var(--color-primary);
}

.news-card__body p {
  color: var(--color-text-light);
  font-size: 14.5px;
  flex: 1;
}

.news-card__more {
  font-size: 14px;
  font-weight: 600;
}

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  padding: 72px 0;
}

.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  margin-bottom: 10px;
}

.cta-band p {
  opacity: 0.92;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14.5px;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #94a3b8;
  font-size: 14.5px;
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  align-items: flex-start;
}

.footer-branches {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-branches__title {
  color: #fff;
  font-size: 15px;
  margin-bottom: 14px;
}

.footer-branches .footer-branch {
  margin-bottom: 16px;
}

.footer-branches .footer-branch:last-child {
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
}

/* ---------- 页面横幅（内页顶部） ---------- */
.page-hero {
  background: linear-gradient(135deg, #eff6ff 0%, #f0fdfa 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 64px 0;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--color-text-light);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

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

/* ---------- 公司信息 / 使命 ---------- */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.mission-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.mission-card .icon {
  font-size: 30px;
  margin-bottom: 16px;
}

.mission-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.mission-card p {
  color: var(--color-text-light);
}

/* ---------- 团队 ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.team-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.team-card .avatar {
  width: 88px;
  height: 88px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card h3 {
  font-size: 17px;
}

.team-card .role {
  color: var(--color-primary);
  font-size: 13.5px;
  font-weight: 600;
  margin: 4px 0 10px;
}

.team-card p {
  color: var(--color-text-light);
  font-size: 13.5px;
}

/* ---------- 资质荣誉 ---------- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cert-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.cert-card .icon {
  font-size: 32px;
  flex-shrink: 0;
}

.cert-card strong {
  display: block;
  font-size: 16px;
}

.cert-card span {
  color: var(--color-text-light);
  font-size: 13.5px;
}

/* ---------- 产品/服务页 ---------- */
.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 72px;
}

.product-row:last-child {
  margin-bottom: 0;
}

.product-row__media {
  border-radius: 20px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 88px;
  background: linear-gradient(135deg, #eff6ff, #f0fdfa);
  border: 1px solid var(--color-border);
}

.product-row h3 {
  font-size: 26px;
  margin-bottom: 14px;
}

.product-row .tagline {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.product-row p {
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.product-points li {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 15px;
}

.product-points .tick {
  color: var(--color-success);
  flex-shrink: 0;
}

/* ---------- 价格 / 套餐 ---------- */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.plan-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan-card--featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.plan-card--featured::before {
  content: "推荐";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 18px;
  border-radius: 999px;
}

.plan-card h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.plan-card .price {
  font-size: 44px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.plan-card .price small {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text-light);
}

.plan-card .desc {
  color: var(--color-text-light);
  font-size: 14.5px;
  margin-bottom: 24px;
}

.plan-card ul {
  margin-bottom: 28px;
  flex: 1;
}

.plan-card li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  margin-bottom: 10px;
}

.plan-card li .tick {
  color: var(--color-success);
  flex-shrink: 0;
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info-card {
  background: linear-gradient(160deg, var(--color-primary), #1e40af);
  color: #fff;
  border-radius: 20px;
  padding: 40px 36px;
}

.contact-info-card h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

.contact-info-card > p {
  opacity: 0.88;
  font-size: 15px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.contact-item span,
.contact-item a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 14.5px;
}

.contact-item a:hover {
  color: #fff;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.contact-form > p {
  color: var(--color-text-light);
  font-size: 14.5px;
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* 反馈验证码：输入框 + 图片并排 */
.captcha-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-tip {
  font-size: 13px;
  color: var(--color-text-light);
}

.form-success {
  display: none;
  background: rgba(22, 163, 74, 0.08);
  border: 1px solid rgba(22, 163, 74, 0.3);
  color: var(--color-success);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 14.5px;
  font-weight: 600;
  margin-bottom: 20px;
}

.form-success.is-visible {
  display: block;
}

/* 地图占位 */
.map-placeholder {
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, #eef2ff, #ecfeff);
  height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-text-light);
  font-size: 40px;
}

.map-placeholder p {
  font-size: 15px;
}

/* ---------- 新闻详情页 ---------- */
.article {
  max-width: 780px;
  margin: 0 auto;
}

.article__meta {
  display: flex;
  gap: 20px;
  color: var(--color-text-light);
  font-size: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.article__body p {
  margin-bottom: 20px;
  color: var(--color-text);
}

.article__body h2 {
  font-size: 22px;
  margin: 32px 0 16px;
}

.article__body blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-soft);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--color-text-light);
}

.article__nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 14.5px;
}

/* ---------- 滚动显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .features-grid,
  .news-grid,
  .plans-grid,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero .container,
  .about-grid,
  .product-row,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero .container {
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .hero__visual {
    order: -1;
    max-width: 560px;
    margin: 0 auto;
  }

  .product-row__media {
    height: 260px;
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }

  .site-header .container {
    height: 60px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 24px;
  }

  .main-nav a {
    padding: 12px 16px;
  }

  .features-grid,
  .news-grid,
  .plans-grid,
  .team-grid,
  .steps-grid,
  .certs-grid {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero__actions .btn {
    flex: 1;
    min-width: 140px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .stats-grid .num {
    font-size: 32px;
  }

  .hero__float--1 {
    left: 4px;
  }

  .hero__float--2 {
    right: 4px;
  }

  .cta-band .container {
    justify-content: center;
    text-align: center;
  }
}

/* ---------- 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- 核心能力介绍页（capability） ---------- */
.feature-card .icon svg,
.cap-icon svg {
  width: 30px;
  height: 30px;
  color: var(--color-primary, #2563eb);
  display: block;
}

.cap-overview {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 40px;
  align-items: start;
}

.cap-icon-wrap {
  display: flex;
  justify-content: center;
}

.cap-icon {
  width: 132px;
  height: 132px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(8, 145, 178, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.cap-icon svg {
  width: 68px;
  height: 68px;
  color: var(--color-primary, #2563eb);
}

.cap-intro p {
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--color-text, #1e293b);
  margin-bottom: 22px;
}

.cap-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cap-highlight {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-primary, #2563eb);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.cap-sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.cap-section {
  background: var(--card-bg, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: 16px;
  padding: 26px 24px;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
}

.cap-section h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--color-text, #1e293b);
}

.cap-section p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--color-muted, #64748b);
}

@media (max-width: 860px) {
  .cap-overview {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cap-sections {
    grid-template-columns: 1fr;
  }
}