/* ===== CSS 变量 ===== */
:root {
  --primary: #0056d2;
  --primary-dark: #003d99;
  --primary-light: #1a6fd4;
  --bg-light: #f0f7ff;
  --bg-soft: #f5f8fc;
  --text: #1a2332;
  --text-secondary: #5a6a7e;
  --text-muted: #8a97a8;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(0, 60, 140, 0.08);
  --shadow-hover: 0 10px 28px rgba(0, 60, 140, 0.14);
  --transition: 0.3s ease;
  --header-h: 72px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

a:focus,
a:focus-visible,
button:focus,
button:focus-visible {
  outline: none;
  box-shadow: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
}

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

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

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

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

.btn-white {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
  padding: 0.85rem 2rem;
  font-size: 1rem;
}

.btn-white:hover {
  background: var(--bg-light);
}

.link-more {
  color: var(--primary-light);
  font-size: 0.875rem;
  transition: color var(--transition);
}

.link-more:hover {
  color: var(--primary-dark);
}

/* ===== 头部导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  transition: box-shadow var(--transition), background var(--transition);
}

.header.scrolled {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(0, 40, 100, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1.5rem;
}

.header .container {
  width: min(1200px, 96%);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-mark {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.32rem;
  font-weight: 700;
  color: #0a3d8f;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
  padding-left: 3.5rem;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-contact {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Banner 轮播 ===== */
.banner {
  position: relative;
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
  max-height: 720px;
  overflow: hidden;
  background: #e8f2ff;
}

.banner-track {
  position: relative;
  height: 100%;
  min-height: calc(100vh - var(--header-h));
  max-height: 720px;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  display: flex;
  align-items: center;
  background-color: #e8f2ff;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.banner-slide-first {
  background-position: calc(82% + 40px) center;
}

.banner-nowrap {
  white-space: nowrap;
}

.banner-content {
  display: grid;
  grid-template-columns: minmax(280px, 520px) 1fr;
  align-items: center;
  gap: 2rem;
  width: min(1160px, 92%);
  margin: 0 auto;
  padding: 3rem 0;
  position: relative;
  z-index: 2;
}

.banner-text h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: #0a3d8f;
  line-height: 1.35;
  margin-bottom: 1rem;
}

.banner-sub {
  font-size: 1.15rem;
  color: #1a4a8a;
  margin-bottom: 1rem;
  font-weight: 600;
}

.banner-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 1.75rem;
}

.banner-tags {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(26, 111, 212, 0.35);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1.75rem;
  letter-spacing: 0.02em;
}

.banner-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.banner-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.85);
  color: var(--primary);
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background var(--transition);
}

.banner-btn:hover {
  background: var(--white);
}

.banner-prev { left: 1.5rem; }
.banner-next { right: 1.5rem; }

.banner-dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 5;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 86, 210, 0.3);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  padding: 0;
}

.banner-dot.active {
  background: var(--primary);
  transform: scale(1.15);
}

/* ===== 产品平台条 ===== */
.products-bar {
  background: var(--bg-light);
  padding: 2.5rem 0 3rem;
  margin-top: -1px;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.product-icon {
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
}

.product-card h3 {
  font-size: 1.3rem;
  color: #0a3d8f;
  margin-bottom: 1rem;
}

/* ===== 优势 ===== */
.advantages {
  padding: 4.5rem 0 3.5rem;
}

.section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-head h2,
.section-title {
  font-size: 1.75rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.section-title {
  text-align: center;
  margin: 3rem 0 1.75rem;
}

.section-head p {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

.sub-title {
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 600;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.advantage-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.adv-icon {
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: center;
}

.advantage-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.advantage-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.advantage-footer {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== 服务行业 ===== */
.industries {
  padding: 3rem 0 4rem;
  background: var(--bg-soft);
}

.industries h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2.5rem;
}

.industry-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 80px;
}

.ind-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-light);
  border: 1.5px solid rgba(26, 111, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.industry-item span:last-child {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== 产品展示 ===== */
.showcase {
  padding: 4.5rem 0;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.showcase-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-light);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.showcase-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.showcase-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: linear-gradient(135deg, #d0e4ff, #8eb8ef);
}

.showcase-item figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  text-align: center;
  color: var(--text);
}

/* ===== 关于我们 ===== */
.about {
  padding: 4.5rem 0 3rem;
}

.about-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 1rem;
}

.about-text h2 {
  font-size: 1.75rem;
  color: #0a3d8f;
  margin-bottom: 0.75rem;
}

.about-lead {
  font-size: 1.1rem;
  color: #1a4a8a;
  margin-bottom: 1rem;
  font-weight: 500;
}

.about-text p:last-child {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-visual img {
  width: 100%;
  max-width: 480px;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.position-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.position-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.position-card:hover {
  transform: translateY(-4px);
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.mission-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.mission-card h4 {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text);
}

.mission-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  font-weight: 600;
  color: #0a3d8f;
  font-size: 1.05rem;
}

.values-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.value-item {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 1.25rem 0.5rem;
  border-right: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.value-item span {
  color: var(--text);
  font-size: 0.95rem;
}

.value-item:last-child {
  border-right: none;
}

.spirit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.spirit-card {
  text-align: center;
}

.spirit-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 14px;
  background: var(--bg-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.spirit-card h4 {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem;
  margin-bottom: 0.5rem;
  background: var(--white);
  font-weight: 600;
}

.spirit-card p {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem;
  font-size: 0.875rem;
  color: var(--text);
  background: var(--white);
}

.talent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 3.5rem;
  padding: 2rem;
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
}

.talent-text {
  text-align: center;
  padding: 1rem;
}

.talent-text h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.talent-lead {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0a3d8f;
  margin-bottom: 1rem;
}

.talent-tags {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.talent-visual {
  height: 220px;
  overflow: hidden;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  line-height: 0;
}

.talent-visual img {
  height: 220px;
  width: auto;
  max-width: none;
  display: block;
}

/* ===== CTA ===== */
.cta-bar {
  background: var(--primary);
  padding: 2.5rem 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cta-text h2 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

.cta-prep {
  padding: 4rem 0;
  background: var(--bg-light);
  text-align: center;
}

.cta-prep h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #0a3d8f;
}

.cta-prep p {
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 1.75rem;
  font-size: 0.95rem;
}

.cta-prep-btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== 联系 ===== */
.contact {
  padding: 4.5rem 0;
  background: var(--bg-soft);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.contact-info h2 {
  font-size: 1.85rem;
  color: #0a3d8f;
  margin-bottom: 0.5rem;
}

.contact-lead {
  color: var(--text);
  margin-bottom: 2rem;
}

.contact-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.contact-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  position: relative;
  padding-left: 1.5rem;
}

.contact-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.85;
}

.contact-list a,
.contact-list span:not(.contact-label) {
  color: var(--text);
  font-weight: 500;
}

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

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #e8f0f8;
  min-height: 280px;
}

.amap-container {
  width: 100%;
  height: 320px;
}

.amap-fallback {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 1rem;
  text-align: center;
}

.amap-marker-label {
  padding: 4px 10px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 60, 140, 0.25);
}

.amap-custom-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.amap-marker-pin {
  width: 12px;
  height: 12px;
  margin-top: 4px;
  background: var(--primary);
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 60, 140, 0.35);
}

/* ===== 页脚 ===== */
.footer {
  background: #0a1e3d;
  color: rgba(255, 255, 255, 0.85);
  padding: 2.5rem 0 1.5rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  flex-wrap: wrap;
}

.footer-brand {
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-brand-card {
  display: inline-block;
  background: var(--white);
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  line-height: 0;
}

.footer-brand-img {
  display: block;
  max-width: 190px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.footer-slogan {
  font-size: 0.88rem;
  color: var(--white);
  line-height: 1.5;
  white-space: nowrap;
}

.footer-contact h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom p + p {
  margin-top: 0.35rem;
}

/* ===== 预览弹窗 ===== */
.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-modal[hidden] {
  display: none;
}

.preview-mask {
  position: absolute;
  inset: 0;
  background: rgba(10, 30, 60, 0.7);
}

.preview-box {
  position: relative;
  z-index: 1;
  max-width: min(900px, 92%);
  max-height: 85vh;
}

.preview-box img {
  max-height: 85vh;
  width: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.preview-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* ===== 回到顶部 ===== */
.back-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: var(--white);
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  box-shadow: var(--shadow-hover);
}

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

.back-top:hover {
  background: var(--primary-dark);
}

/* ===== 入场动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .product-cards,
  .advantage-grid,
  .showcase-grid,
  .position-grid,
  .spirit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .banner-content {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .banner-btns {
    justify-content: flex-start;
  }

  .banner-slide {
    background-position: center center;
  }

  .about-intro,
  .contact-grid,
  .talent,
  .mission-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }

  html {
    font-size: 15px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 40, 100, 0.12);
    transition: max-height 0.35s ease, padding 0.35s ease;
    margin-left: 0;
  }

  .nav.open {
    max-height: 320px;
    padding: 0.5rem 0;
  }

  .nav-link {
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-link::after {
    display: none;
  }

  .logo-text {
    font-size: 1rem;
  }

  .logo-mark {
    width: 44px;
    height: 44px;
  }

  .nav {
    padding-left: 0;
  }

  .footer-slogan {
    font-size: 0.78rem;
  }

  .banner {
    min-height: 480px;
    max-height: none;
  }

  .banner-track {
    min-height: 480px;
    max-height: none;
  }

  .banner-btn {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }

  .banner-prev { left: 0.5rem; }
  .banner-next { right: 0.5rem; }

  .product-cards,
  .advantage-grid,
  .showcase-grid,
  .position-grid,
  .spirit-grid {
    grid-template-columns: 1fr;
  }

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

  .values-row {
    flex-direction: column;
  }

  .value-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .value-item:last-child {
    border-bottom: none;
  }

  .industry-list {
    justify-content: center;
  }

  .industry-item {
    flex: 0 0 calc(25% - 1rem);
  }

  .talent-visual {
    justify-content: center;
  }

  .talent-visual img {
    height: 220px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .industry-item {
    flex: 0 0 calc(50% - 1rem);
  }

  .cta-prep-btns {
    flex-direction: column;
    align-items: center;
  }

  .btn-contact {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }
}