/* ===================================
   锐赛克 - 全局样式
   =================================== */

:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: rgba(16, 185, 129, 0.1);
  --primary-muted: rgba(16, 185, 129, 0.05);
  --foreground: #374151;
  --muted-foreground: #6b7280;
  --muted: #f3f4f6;
  --border: #e5e7eb;
  --white: #ffffff;
  --card: #ffffff;
  --green-400: #34d399;
  --green-300: #6ee7b7;
  --teal-400: #2dd4bf;
  --radius: 0.5rem;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--foreground);
  background: #fff;
  line-height: 1.6;
  font-weight: 600;
}

/* ===================================
   自定义滚动条
   =================================== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--muted); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { opacity: 0.8; }

/* ===================================
   工具类
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-primary { color: var(--primary); }
.text-white { color: #fff; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-muted { color: var(--muted-foreground); }

.bg-primary { background-color: var(--primary); }
.bg-white { background-color: #fff; }
.bg-muted { background-color: var(--muted); }
.bg-gray-50 { background-color: #f9fafb; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-center { text-align: center; }
.text-left { text-align: left; }

.hidden { display: none !important; }

/* ===================================
   网格背景
   =================================== */
.bg-grid-pattern {
  background-image: linear-gradient(to right, rgba(0,0,0,0.05) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* ===================================
   动画
   =================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(15px); }
}
@keyframes navSlideDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}
@keyframes countUp {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes widthExpand {
  from { width: 0; }
  to   { width: 80px; }
}

.animate-fade-in-up { animation: fadeInUp 0.8s ease both; }
.animate-fade-in-left { animation: fadeInLeft 0.8s ease both; }
.animate-fade-in-right { animation: fadeInRight 0.8s ease both; }
.animate-fade-in { animation: fadeIn 0.6s ease both; }
.animate-slide-down { animation: slideDown 0.3s ease both; }
.animate-bounce-slow { animation: bounce 2s ease-in-out infinite; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }

/* scroll-reveal: 元素初始不可见，触发后动画入场 */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: none;
}
.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* ===================================
   Navbar
   =================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background 0.3s, box-shadow 0.3s;
  animation: navSlideDown 0.5s ease both;
}
.navbar.scrolled {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
}
.navbar.scrolled .nav-link { color: #1f2937; }
.navbar.scrolled .nav-link:hover { color: var(--primary); }
.navbar.scrolled .nav-link.active { color: var(--primary); font-weight: 600; }
.navbar.scrolled .lang-btn {
  border-color: rgba(16,185,129,0.3);
  color: #1f2937;
}
.navbar.scrolled .lang-btn:hover { background: var(--primary-light); }
.navbar.scrolled .lang-btn svg { color: var(--primary); }
.navbar.scrolled .hamburger { color: #1f2937; }

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.navbar-logo img {
  height: 3rem;
  width: auto;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-link {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  font-size: 0.95rem;
}
.nav-link:hover { color: var(--green-300); }
.nav-link.active { color: var(--green-400); font-weight: 600; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.3s, border-color 0.3s;
}
.lang-btn:hover { background: rgba(255,255,255,0.1); }
.lang-btn svg { width: 1.1rem; height: 1.1rem; }

.hamburger {
  display: flex;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #fff;
  padding: 0.25rem;
  transition: color 0.3s;
}
@media (min-width: 768px) {
  .hamburger { display: none; }
}
.hamburger svg { width: 1.5rem; height: 1.5rem; }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1rem 0;
  background: #fff;
  border-top: 1px solid #e5e7eb;
}
.mobile-menu.open { display: flex; }
.mobile-nav-links {
  list-style: none;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-nav-links li a {
  display: block;
  padding: 0.75rem 0;
  color: #374151;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  border-bottom: 1px solid #f3f4f6;
}
.mobile-nav-links li a:hover,
.mobile-nav-links li a.active { color: var(--primary); }
.mobile-lang-btn {
  margin: 0.75rem 1rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(16,185,129,0.3);
  background: transparent;
  color: #374151;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  width: fit-content;
}

/* ===================================
   页面通用 Hero Banner（子页面顶部）
   =================================== */
.page-hero {
  height: 33vh;
  min-height: 200px;
  position: relative;
  display: flex;
  align-items: center;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: url('img/carousel-1.jpg') center/cover no-repeat;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  animation: fadeInUp 0.6s ease both;
}
.page-hero .hero-divider {
  width: 80px;
  height: 4px;
  background: #fff;
  margin: 0 auto 1.5rem;
  animation: widthExpand 0.6s ease both;
}
.page-hero p {
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 auto;
  animation: fadeInUp 0.6s 0.2s ease both;
}

/* ===================================
   章节通用
   =================================== */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}
.section-divider {
  width: 80px;
  height: 4px;
  background: var(--primary);
  margin: 0 auto 1.5rem;
  border-radius: 2px;
  animation: widthExpand 0.6s ease both;
}
.section-subtitle {
  text-align: center;
  color: var(--muted-foreground);
  max-width: 700px;
  margin: 0 auto 3rem;
  font-size: 1rem;
}

/* ===================================
   卡片
   =================================== */
.card {
  background: var(--card);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow 0.3s, transform 0.3s;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-body { padding: 2rem; }

/* ===================================
   按钮
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #10b981, #14b8a6);
  color: #fff;
  box-shadow: 0 8px 24px rgba(16,185,129,0.25);
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 0.75rem;
}
@media (min-width: 640px) {
  .btn-primary { padding: 1.25rem 2rem; font-size: 1.15rem; }
}
.btn-primary:hover {
  background: linear-gradient(135deg, #059669, #0d9488);
  box-shadow: 0 12px 32px rgba(16,185,129,0.35);
  transform: translateY(-2px);
}
.btn-outline {
  border: 2px solid var(--green-400);
  color: var(--green-400);
  background: transparent;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(16,185,129,0.1);
}
@media (min-width: 640px) {
  .btn-outline { padding: 1.25rem 2rem; font-size: 1.15rem; }
}
.btn-outline:hover {
  background: rgba(52,211,153,0.1);
  transform: translateY(-2px);
}
.btn-outline-dark {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline-dark:hover {
  background: var(--primary-light);
}
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* ===================================
   表单
   =================================== */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  color: var(--foreground);
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: #fff;
  color: var(--foreground);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.1);
}
select.form-control { cursor: pointer; }

/* ===================================
   Footer
   =================================== */
.footer {
  background: #f9fafb;
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo img { height: 2.5rem; margin-bottom: 1rem; }
.footer-desc { color: #4b5563; font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-socials {
  display: flex;
  gap: 0.75rem;
}
.footer-social-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s;
}
.footer-social-icon:hover { background: var(--primary); color: #fff; }
.footer-social-icon svg { width: 1.1rem; height: 1.1rem; }
.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-links-title {
  font-weight: 600;
  font-size: 1rem;
  color: #1f2937;
  margin-bottom: 1.25rem;
}
.footer-links-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links-list a {
  color: #4b5563;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links-list a:hover { color: var(--primary); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.footer-contact-item svg { width: 1.1rem; height: 1.1rem; color: var(--primary); margin-top: 0.2rem; flex-shrink: 0; }
.footer-contact-item span { color: #4b5563; font-size: 0.9rem; }
.footer-contact-item strong { color: #374151; font-size: 0.9rem; display: block; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copyright { color: #6b7280; font-size: 0.85rem; }
.footer-langs { display: flex; gap: 1.5rem; align-items: center; }
.footer-lang-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #6b7280;
  font-size: 0.85rem;
}
.footer-lang-item svg { width: 1rem; height: 1rem; color: var(--primary); }

/* ===================================
   Hero（首页）
   =================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 5rem 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.60); }
.hero-blob-1 {
  position: absolute;
  top: 25%;
  left: 25%;
  width: 20rem;
  height: 20rem;
  background: rgba(16,185,129,0.2);
  border-radius: 50%;
  filter: blur(60px);
}
.hero-blob-2 {
  position: absolute;
  bottom: 25%;
  right: 25%;
  width: 25rem;
  height: 25rem;
  background: rgba(20,184,166,0.2);
  border-radius: 50%;
  filter: blur(60px);
}
.hero-blob-3 {
  position: absolute;
  top: 50%;
  right: 33%;
  width: 10rem;
  height: 10rem;
  background: rgba(59,130,246,0.2);
  border-radius: 50%;
  filter: blur(60px);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(0,0,0,0.05) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.1;
}
.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  width: 100%;
}
@media (min-width: 1024px) {
  .hero-content { flex-direction: row; align-items: center; gap: 4rem; }
}
.hero-text { width: 100%; text-align: center; }
@media (min-width: 1024px) { .hero-text { width: 50%; text-align: left; } }
.hero-title {
  font-size: clamp(1.75rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  color: #fff;
}
.hero-title .gradient-text {
  display: block;
  background: linear-gradient(135deg, var(--green-400), var(--teal-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 0.5rem;
}
.hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  margin-bottom: 2rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
@media (min-width: 640px) { .hero-desc { font-size: 1rem; } }
@media (min-width: 768px) { .hero-desc { font-size: 1.125rem; margin-bottom: 3rem; } }
@media (min-width: 1024px) { .hero-desc { margin-left: 0; } }
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
@media (min-width: 640px) { .hero-buttons { gap: 1.5rem; } }
@media (min-width: 1024px) { .hero-buttons { justify-content: flex-start; } }
.hero-video-panel {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
@media (min-width: 1024px) { .hero-video-panel { width: 50%; } }
.hero-video-btn {
  width: 80%;
  max-width: 28rem;
  height: 18rem;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border-radius: 1rem;
  border: 1px solid rgba(16,185,129,0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}
@media (min-width: 640px) {
  .hero-video-btn { width: 75%; height: 20rem; }
}
@media (min-width: 768px) {
  .hero-video-btn { width: 66%; height: 22rem; }
}
.hero-video-btn:hover { background: rgba(255,255,255,0.15); transform: scale(1.02); }
.hero-play-ring {
  width: 6rem;
  height: 6rem;
  background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(20,184,166,0.2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 640px) { .hero-play-ring { width: 7rem; height: 7rem; } }
@media (min-width: 768px) { .hero-play-ring { width: 8rem; height: 8rem; } }
.hero-play-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 640px) { .hero-play-icon { width: 4rem; height: 4rem; } }
@media (min-width: 768px) { .hero-play-icon { width: 5rem; height: 5rem; } }
.hero-play-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--green-400);
}
@media (min-width: 640px) { .hero-play-icon svg { width: 2.5rem; height: 2.5rem; } }
@media (min-width: 768px) { .hero-play-icon svg { width: 3rem; height: 3rem; } }
.hero-video-text { color: rgba(255,255,255,0.8); font-size: 0.95rem; text-align: center; padding: 0 1rem; }
.hero-scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll-hint svg { width: 2.5rem; height: 2.5rem; color: var(--green-400); }

/* ===================================
   Features 区块
   =================================== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(4, 1fr); } }

.feature-card {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-icon-wrap {
  width: 4rem;
  height: 4rem;
  background: var(--primary-light);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.feature-icon-wrap svg { width: 2rem; height: 2rem; color: var(--primary); }
.feature-count {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
  line-height: 1;
}
.feature-count span { font-size: 1.1rem; font-weight: 400; }
.feature-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.75rem; }
.feature-desc { color: var(--muted-foreground); font-size: 0.9rem; }

/* ===================================
   Product Showcase
   =================================== */
.product-showcase-item {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 5rem;
}
.product-showcase-item:last-child { margin-bottom: 0; }
@media (min-width: 768px) {
  .product-showcase-item { flex-direction: row; }
  .product-showcase-item.reverse { flex-direction: row-reverse; }
}
.product-showcase-img {
  flex: 1;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/9;
  background: #e5e7eb;
}
.product-showcase-img img { width: 100%; height: 100%; object-fit: cover; }
.product-showcase-info { flex: 1; }
.product-showcase-info h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.product-showcase-info p { color: var(--muted-foreground); margin-bottom: 2rem; }
.product-params {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
@media (min-width: 640px) {
  .product-params { grid-template-columns: repeat(2, 1fr); }
}
.product-param-item {
  background: #fff;
  padding: 1rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-sm);
}
.product-param-label { font-size: 0.75rem; color: var(--muted-foreground); font-weight: 500; display: block; margin-bottom: 0.25rem; }
.product-param-value { font-size: 0.95rem; font-weight: 600; }
.product-view-report {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 0.95rem;
  transition: text-decoration 0.2s;
}
.product-view-report:hover { text-decoration: underline; }
.product-view-report svg { width: 1rem; height: 1rem; }

/* ===================================
   视频弹窗
   =================================== */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.video-modal.active { opacity: 1; pointer-events: all; }
.video-modal-inner {
  position: relative;
  max-width: 60rem;
  width: 100%;
}
.video-modal-close {
  position: absolute;
  top: -3rem;
  right: 0;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  transition: color 0.2s;
}
.video-modal-close:hover { color: var(--green-400); }
.video-modal-close svg { width: 2rem; height: 2rem; }
.video-modal video {
  width: 100%;
  border-radius: 0.5rem;
  background: #000;
}

/* ===================================
   Tabs (产品页面)
   =================================== */
.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
}
.tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  background: var(--muted);
  color: var(--foreground);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.95rem;
}
.tab-btn:hover { background: #e5e7eb; transform: scale(1.03); }
.tab-btn.active { background: var(--primary); color: #fff; }
.tab-panel { display: none; animation: fadeInUp 0.4s ease both; }
.tab-panel.active { display: block; }

/* ===================================
   产品详情 — 匹配 React DMTProduct / EGProduct
   =================================== */

/* 产品概览双列网格 — grid-cols-1 md:grid-cols-2 gap-8 items-center */
.product-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 768px) {
  .product-overview-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* 左侧文本区 */
.product-overview-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
@media (min-width: 768px) { .product-overview-title { font-size: 1.875rem; } }
.product-overview-desc {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* 徽章 — bg-primary/10 text-primary px-4 py-2 rounded-full */
.product-highlight-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

/* 查看报告按钮 — flex items-center gap-2 text-primary hover:underline */
.product-view-report {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
}
.product-view-report:hover { text-decoration: underline; }
.product-view-report svg { width: 1rem; height: 1rem; }

/* 右侧核心指标卡片 — bg-muted rounded-xl p-6 */
.product-specs-card {
  background: var(--muted);
  border-radius: 0.75rem;
  padding: 1.5rem;
}
.product-specs-heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* 指标列表 — space-y-4，每项 flex justify-between items-center p-3 bg-white rounded-lg */
.product-specs-list { display: flex; flex-direction: column; gap: 1rem; }
.product-spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: #fff;
  border-radius: 0.5rem;
}
.product-spec-label {
  color: var(--muted-foreground);
  font-size: 0.9rem;
}
.product-spec-value {
  font-weight: 600;
  font-size: 0.9rem;
}

/* 下游应用市场区域 — space-y-12 间距 */
.product-apps-section {
  margin-top: 3rem;
}
.product-apps-heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

/* DMT 应用标签 — grid-cols-2 sm:grid-cols-3 md:grid-cols-5 gap-4 */
.product-apps-tags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 640px) { .product-apps-tags { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .product-apps-tags { grid-template-columns: repeat(5, 1fr); } }

/* EG 应用标签 — grid-cols-1 sm:grid-cols-2 gap-6 */
.product-apps-tags--sm {
  grid-template-columns: 1fr !important;
}
@media (min-width: 640px) {
  .product-apps-tags--sm { grid-template-columns: repeat(2, 1fr) !important; }
}

/* 单个标签 — bg-muted p-4 rounded-lg text-center hover:bg-primary/10 */
.product-apps-tag {
  background: var(--muted);
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: center;
  transition: all 0.2s;
  cursor: default;
}
.product-apps-tag:hover {
  transform: scale(1.05);
  background: rgba(16, 185, 129, 0.1);
}
.product-apps-tag span {
  font-weight: 500;
  font-size: 0.9rem;
}
/* EG 大号标签 */
.product-apps-tags--sm .product-apps-tag {
  padding: 1.5rem;
}
.product-apps-tags--sm .product-apps-tag span {
  font-size: 1.125rem;
}

/* ===================================
   应用领域面板 — 匹配 React ApplicationGrid
   grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6
   bg-muted rounded-xl p-6 border border-border
   =================================== */
.app-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .app-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .app-grid { grid-template-columns: repeat(4, 1fr); } }
.app-grid-card {
  background: var(--muted);
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.app-grid-card:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border-color: rgba(16, 185, 129, 0.5);
}
.app-grid-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.app-grid-card p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}

/* ===================================
   技术页 — GREEN CIRCLE 系统介绍
   =================================== */
/* 系统横幅 — 匹配 React bg-gradient-to-r from-primary/10 to-primary/5 rounded-2xl p-8 md:p-12 */
.gc-banner {
  background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(16,185,129,0.05));
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid rgba(16,185,129,0.2);
}
@media (min-width: 768px) {
  .gc-banner { border-radius: 1.5rem; padding: 3rem; }
}
.gc-banner-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.gc-banner-icon {
  width: 4rem;
  height: 4rem;
  min-width: 4rem;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gc-banner-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
}
@media (min-width: 768px) {
  .gc-banner-title { font-size: 1.875rem; }
}
.gc-banner-desc {
  color: var(--muted-foreground);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 48rem;
}
@media (min-width: 768px) {
  .gc-banner-desc { font-size: 1.125rem; }
}

/* 适用原料 — 匹配 React grid-cols-2 sm:grid-cols-3 md:grid-cols-5 gap-6 */
.gc-section-heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 2rem;
}
.gc-raw-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .gc-raw-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
  .gc-raw-grid { grid-template-columns: repeat(5, 1fr); }
}
.gc-raw-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 0.75rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: default;
}
.gc-raw-card:hover {
  transform: scale(1.05);
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.gc-raw-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary);
}
.gc-raw-card span {
  font-weight: 500;
  color: var(--foreground);
}

/* 技术亮点 — 匹配 React grid-cols-1 md:grid-cols-2 gap-6 */
.gc-highlights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .gc-highlights-grid { grid-template-columns: repeat(2, 1fr); }
}
.gc-highlight-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}
.gc-highlight-card:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.gc-highlight-title {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.gc-highlight-desc {
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* ===================================
   技术对比表
   =================================== */
.comparison-subtitle {
  color: var(--muted-foreground);
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
  line-height: 1.7;
}
.comparison-table { width: 100%; border-collapse: collapse; }
.comparison-table th {
  padding: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  background: #f3f4f6;
  border: 1px solid var(--border);
  text-align: left;
}
/* 化学法列高亮 — 匹配 React bg-primary/10 */
.comparison-table th.highlight {
  background: rgba(16,185,129,0.1);
  color: var(--primary);
  font-weight: 600;
}
.comparison-table td {
  padding: 1rem;
  border: 1px solid var(--border);
  text-align: left;
  font-size: 0.875rem;
}
/* 奇偶行背景 — 匹配 React index % 2 === 0 ? 'bg-white' : 'bg-muted/50' */
.comparison-table tr.tr-alt td {
  background: rgba(243, 244, 246, 0.5);
}
/* 化学法列文字高亮 — 匹配 React bg-primary/5 font-semibold text-primary */
.comparison-table td.td-primary {
  background: rgba(16,185,129,0.05);
  font-weight: 600;
  color: var(--primary);
}
.comparison-table tr:hover td { background: #f9fafb; }
.comparison-table tr.tr-alt:hover td { background: rgba(16,185,129,0.03); }

/* 技术优势总结 — 匹配 React bg-white p-6 rounded-xl border border-primary/20 */
.comparison-summary {
  background: #fff;
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(16,185,129,0.2);
}
.comparison-summary-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.comparison-summary-desc {
  color: var(--muted-foreground);
  line-height: 1.7;
}

/* ===================================
   技术页 — 技术发展里程碑时间轴
   三列 flex 布局：左侧 | 中心圆点 | 右侧
   匹配 React: relative flex items-center, 左右交替
   =================================== */
.section-subtitle-muted {
  color: var(--muted-foreground);
  font-size: 1.125rem;
  line-height: 1.7;
}
.tech-timeline-heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 1.5rem;
}
@media (min-width: 768px) {
  .tech-timeline-heading { font-size: 2.25rem; }
}

/* 外层容器 — 匹配 React relative max-w-5xl mx-auto */
.tech-timeline-wrapper {
  position: relative;
  max-width: 56rem;
  margin: 0 auto;
}

/* 中心竖线 — 匹配 React absolute left-1/2 top-0 bottom-0 w-1 bg-gradient */
.tech-timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, rgba(16,185,129,0.3), rgba(16,185,129,0.5), rgba(16,185,129,0.3));
  transform: translateX(-50%);
  border-radius: 2px;
}

/* 每一行：三列 flex — 匹配 React flex items-center */
.tech-timeline-row {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 3rem;
}
.tech-timeline-row:last-child { margin-bottom: 0; }

/* 左/右两侧列 — w-5/12 (≈41.67%) */
.tech-timeline-side {
  width: 41.67%;
}
/* 左列内容右对齐 — 匹配 React md:pr-16 text-right */
.tech-timeline-side--left {
  padding-right: 2rem;
  display: flex;
  justify-content: flex-end;
  text-align: right;
}
/* 右列内容左对齐 — 匹配 React md:pl-16 text-left */
.tech-timeline-side--right {
  padding-left: 2rem;
  text-align: left;
}

/* 中心圆点列 — w-2/12 (≈16.67%) */
.tech-timeline-center {
  width: 16.67%;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
}

/* 圆点 — 匹配 React w-12 h-12 bg-primary rounded-full shadow-lg shadow-primary/20 */
.tech-timeline-dot {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
  transition: transform 0.3s, box-shadow 0.3s;
}
.tech-timeline-dot:hover {
  transform: scale(1.3);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}
.tech-timeline-dot svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* 内容卡片 — 匹配 React bg-white rounded-xl p-6 shadow-md border hover:shadow-lg hover:border-primary/20 */
.tech-timeline-content {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid #f3f4f6;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.2s;
  display: inline-block;
}
.tech-timeline-content:hover {
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  border-color: rgba(16,185,129,0.2);
}

/* 年份徽章 — 匹配 React inline-block bg-primary/10 text-primary px-4 py-1.5 rounded-full text-sm font-semibold mb-4 */
.tech-timeline-year {
  display: inline-block;
  background: rgba(16,185,129,0.1);
  color: var(--primary);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.tech-timeline-item-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1f2937;
}
.tech-timeline-item-desc {
  color: var(--muted-foreground);
  line-height: 1.7;
}

/* 底部标签 — 匹配 React inline-block bg-gradient-to-r from-primary/10 to-primary/20 */
.tech-timeline-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(16,185,129,0.2));
  color: var(--primary);
  padding: 1rem 2rem;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 1.125rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: box-shadow 0.3s;
}
.tech-timeline-badge:hover {
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

/* 移动端：单列左对齐 */
@media (max-width: 767px) {
  .tech-timeline-line {
    left: 1.25rem;
  }
  .tech-timeline-row {
    flex-direction: row;
    justify-content: flex-start;
    padding-left: 3.5rem;
  }
  .tech-timeline-side {
    width: 100%;
  }
  .tech-timeline-side--left,
  .tech-timeline-side--right {
    padding-left: 0;
    padding-right: 0;
    text-align: left;
    justify-content: flex-start;
  }
  .tech-timeline-center {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
  }
  .tech-timeline-dot {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
  }
  .tech-timeline-dot svg {
    width: 1.2rem;
    height: 1.2rem;
  }
  .tech-timeline-content {
    display: block;
  }
}

/* ===================================
   合作案例
   =================================== */
.featured-case {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-bottom: 4rem;
  align-items: center;
}
@media (min-width: 768px) {
  .featured-case { flex-direction: row; }
  .featured-case.reverse { flex-direction: row-reverse; }
}
.featured-case-img {
  flex: 1;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.featured-case-img img { width: 100%; height: 16rem; object-fit: cover; }
.featured-case-info { flex: 1; }
.featured-case-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; }
.featured-case-info p { color: var(--muted-foreground); margin-bottom: 1.75rem; line-height: 1.7; }
.case-stats { display: flex; gap: 1.5rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.case-stat { text-align: center; }
.case-stat-value { font-size: 1.75rem; font-weight: 700; color: var(--primary); line-height: 1; }
.case-stat-unit { font-size: 0.75rem; color: var(--muted-foreground); }
.case-stat-label { font-size: 0.75rem; color: var(--muted-foreground); margin-top: 0.25rem; }

/* 合作伙伴 */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (min-width: 768px) { .partners-grid { grid-template-columns: repeat(3, 1fr); } }
.partner-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s;
}
.partner-card:hover { box-shadow: var(--shadow-md); border-color: rgba(16,185,129,0.3); }
.partner-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-light);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.partner-icon svg { width: 1.75rem; height: 1.75rem; color: var(--primary); }
.partner-name { font-weight: 600; font-size: 0.9rem; }

/* ===================================
   可持续未来 - Policy cards
   =================================== */
.policy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .policy-grid { grid-template-columns: repeat(3, 1fr); } }
.policy-card {
  background: #fff;
  border-radius: 0.75rem;
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.policy-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.policy-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-light);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.policy-icon svg { width: 1.75rem; height: 1.75rem; color: var(--primary); }
.policy-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.75rem; }
.policy-card p { color: var(--muted-foreground); font-size: 0.875rem; line-height: 1.65; }

/* Impact dashboard */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
}
@media (min-width: 768px) { .impact-grid { grid-template-columns: repeat(3, 1fr); } }
.impact-card {
  background: #fff;
  border-radius: 0.75rem;
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.impact-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.impact-label { color: var(--muted-foreground); font-size: 0.9rem; }

/* CTA 横幅 */
.cta-banner {
  background: linear-gradient(135deg, #10b981, #14b8a6);
  border-radius: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }
.cta-banner p { opacity: 0.9; margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-white {
  background: #fff;
  color: var(--primary);
  border: none;
}
.btn-white:hover { background: rgba(255,255,255,0.9); }
.btn-outline-white {
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.15); }

/* ===================================
   新闻
   =================================== */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.category-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--foreground);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.3s;
}
.category-btn:hover { border-color: var(--primary); color: var(--primary); }
.category-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.featured-article {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  background: #fff;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 3rem;
  border: 1px solid var(--border);
}
@media (min-width: 768px) { .featured-article { grid-template-columns: 1.5fr 1fr; } }
.featured-article-img { background: #e5e7eb; min-height: 250px; }
.featured-article-img img { width: 100%; height: 100%; object-fit: cover; }
.featured-article-info { padding: 2rem; display: flex; flex-direction: column; justify-content: center; }
.featured-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.featured-article h2 { font-size: 1.35rem; font-weight: 700; margin-bottom: 1rem; line-height: 1.4; }
.featured-article p { color: var(--muted-foreground); font-size: 0.9rem; margin-bottom: 1.5rem; }
.article-meta { display: flex; align-items: center; gap: 1rem; font-size: 0.8rem; color: var(--muted-foreground); margin-bottom: 1.25rem; }

.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .news-grid { grid-template-columns: repeat(3, 1fr); } }
.news-card {
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-card-img { width: 100%; height: 180px; object-fit: cover; background: #e5e7eb; }
.news-card-body { padding: 1.25rem; }
.news-category-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: 2rem;
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.news-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.45; }
.news-card p { font-size: 0.8rem; color: var(--muted-foreground); margin-bottom: 0.75rem; }
.news-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}
.read-more { color: var(--primary); font-weight: 500; text-decoration: none; cursor: pointer; background: none; border: none; font-size: 0.75rem; }
.read-more:hover { text-decoration: underline; }

/* 订阅 CTA */
.newsletter-cta {
  background: linear-gradient(135deg, #064e3b, #065f46);
  padding: 4rem 0;
  text-align: center;
  color: #fff;
}
.newsletter-cta h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.75rem; }
.newsletter-cta p { opacity: 0.85; margin-bottom: 2rem; }
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: none;
  outline: none;
  font-size: 0.9rem;
  min-width: 200px;
}
.newsletter-form button {
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
}
.newsletter-form button:hover { background: var(--primary-dark); }

/* ===================================
   关于我们
   =================================== */
.mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) { .mission-grid { grid-template-columns: repeat(3, 1fr); } }
.mission-card {
  border-radius: 0.75rem;
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.mission-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.mission-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.mission-card h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; }
.mission-card p { color: var(--muted-foreground); font-size: 0.875rem; line-height: 1.65; }

.rd-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (min-width: 768px) { .rd-grid { grid-template-columns: repeat(4, 1fr); } }
.rd-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.75rem;
  text-align: center;
  transition: all 0.3s;
}
.rd-card:hover { box-shadow: var(--shadow-md); border-color: rgba(16,185,129,0.3); transform: translateY(-4px); }
.rd-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.rd-card h3 { font-weight: 700; margin-bottom: 0.5rem; font-size: 0.9rem; }
.rd-card p { color: var(--muted-foreground); font-size: 0.8rem; }

.milestones { max-width: 700px; margin: 0 auto; }
.milestone-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}
.milestone-item::after {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 2.5rem;
  bottom: -2rem;
  width: 2px;
  background: var(--border);
}
.milestone-item:last-child::after { display: none; }
.milestone-dot {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  z-index: 1;
}
.milestone-content { padding-top: 0.3rem; }
.milestone-year { font-size: 0.75rem; font-weight: 700; color: var(--primary); margin-bottom: 0.25rem; }
.milestone-title { font-weight: 600; font-size: 0.95rem; }

/* ===================================
   联系我们
   =================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1.5fr; } }
.contact-info-card {
  background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 1rem;
  padding: 2rem;
}
.contact-info-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.contact-item svg { width: 1.1rem; height: 1.1rem; color: var(--primary); flex-shrink: 0; margin-top: 0.2rem; }
.contact-item-content strong { display: block; font-size: 0.8rem; color: var(--muted-foreground); margin-bottom: 0.1rem; }
.contact-item-content span { font-size: 0.9rem; font-weight: 500; }

/* 人才横幅 */
.talent-banner {
  background: linear-gradient(135deg, #10b981, #14b8a6);
  padding: 4rem 0;
  text-align: center;
  color: #fff;
}
.talent-banner h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }
.talent-banner p { opacity: 0.9; max-width: 500px; margin: 0 auto; }

/* Job accordion */
.jobs-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.job-item {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow: hidden;
  background: #fff;
}
.job-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s;
  gap: 1rem;
}
.job-header:hover { background: #f9fafb; }
.job-meta { flex: 1; }
.job-title { font-weight: 700; font-size: 1rem; margin-bottom: 0.25rem; }
.job-badges { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.badge {
  padding: 0.2rem 0.6rem;
  border-radius: 2rem;
  font-size: 0.7rem;
  font-weight: 600;
}
.badge-location { background: var(--primary-light); color: var(--primary); }
.badge-type { background: #ede9fe; color: #7c3aed; }
.job-toggle svg { width: 1.25rem; height: 1.25rem; color: var(--muted-foreground); transition: transform 0.3s; }
.job-item.open .job-toggle svg { transform: rotate(180deg); }
.job-body { display: none; padding: 0 1.5rem 1.5rem; border-top: 1px solid var(--border); }
.job-item.open .job-body { display: block; }
.job-body p { color: var(--muted-foreground); margin-bottom: 1rem; font-size: 0.9rem; padding-top: 1rem; }
.apply-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: #fff;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}
.apply-btn:hover { background: var(--primary-dark); }
.no-suitable {
  text-align: center;
  margin-top: 2rem;
  color: var(--muted-foreground);
  font-size: 0.9rem;
}
.no-suitable a { color: var(--primary); text-decoration: underline; }

/* 表单成功 */
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 0.75rem;
  background: #f0fdf4;
  border: 1px solid rgba(16,185,129,0.2);
}
.form-success.show { display: block; }
.form-success svg { width: 4rem; height: 4rem; color: var(--primary); margin: 0 auto 1.5rem; display: block; }
.form-success h3 { font-size: 1.25rem; font-weight: 700; color: #064e3b; margin-bottom: 0.75rem; }
.form-success p { color: var(--muted-foreground); margin-bottom: 1.5rem; }

/* ===================================
   响应式
   =================================== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; color: #1f2937; }
  .navbar {
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  }
  .navbar.scrolled { background: #fff; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .section { padding: 3rem 0; }
  .hero-title { font-size: 1.75rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
}

/* ===================================
   About 页面 — 公司简介
   =================================== */
.overview-layout {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: center;
  margin-top: 3rem;
}
@media (min-width: 1024px) {
  .overview-layout { flex-direction: row; gap: 4rem; }
}
.overview-image {
  width: 100%;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  flex-shrink: 0;
}
@media (min-width: 1024px) {
  .overview-image { width: 46%; }
}
.overview-image img {
  width: 100%;
  height: 22rem;
  object-fit: cover;
  display: block;
}
.overview-text {
  flex: 1;
}
.overview-text p {
  color: var(--muted-foreground);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

/* ===================================
   About 页面 — 使命愿景
   =================================== */
.mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}
@media (min-width: 768px) {
  .mission-grid { grid-template-columns: repeat(3, 1fr); }
}
.mission-card {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}
.mission-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
.mission-icon {
  width: 4rem;
  height: 4rem;
  background: var(--primary-light);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.mission-icon svg {
  width: 2.2rem;
  height: 2.2rem;
  color: var(--primary);
}
.mission-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.mission-card p {
  color: var(--muted-foreground);
  line-height: 1.7;
  font-size: 1rem;
}

/* ===================================
   About 页面 — 研发实力
   =================================== */
.rd-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
}
@media (min-width: 768px) { .rd-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .rd-grid { grid-template-columns: repeat(4, 1fr); } }

.rd-card {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}
.rd-card:hover { box-shadow: var(--shadow-md); transform: scale(1.04); }
.rd-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-light);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.rd-icon svg { width: 1.8rem; height: 1.8rem; color: var(--primary); }
.rd-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.rd-card p { color: var(--muted-foreground); font-size: 0.875rem; font-weight: 500; }

/* 研究中心卡片 */
.research-center-card {
  background: #fff;
  border-radius: 1rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0;
}
@media (min-width: 768px) {
  .research-center-card { flex-direction: row; }
}
.research-center-image {
  width: 100%;
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .research-center-image { width: 33%; }
}
.research-center-image img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  display: block;
}
@media (min-width: 768px) {
  .research-center-image img { height: 100%; min-height: 14rem; }
}
.research-center-content {
  padding: 2rem;
  flex: 1;
}
.research-center-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.research-center-content p {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.tech-badge {
  padding: 0.3rem 0.9rem;
  background: rgba(16,185,129,0.12);
  color: var(--primary);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ===================================
   About 页面 — 发展历程时间轴
   匹配 React: relative flex items-center justify-center, 三列 w-5/12 | w-2/12 | w-5/12
   =================================== */
.timeline-wrapper {
  position: relative;
  max-width: 56rem;
  margin: 3rem auto 0;
  padding-bottom: 2rem;
}
/* 中心竖线 — absolute left-1/2 top-0 bottom-0 w-1 bg-gradient */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--primary), #a7f3d0);
  transform: translateX(-50%);
  border-radius: 4px;
}

/* 每一行：三列 flex — 匹配 React flex items-center justify-center */
.timeline-row {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 3rem;
}
.timeline-row:last-child { margin-bottom: 0; }

/* 左/右两侧列 — w-5/12 (≈41.67%) */
.timeline-side {
  width: 41.67%;
}
/* 左列内容右对齐 — 匹配 React pr-8 text-right */
.timeline-side--left {
  padding-right: 2rem;
  display: flex;
  justify-content: flex-end;
  text-align: right;
}
/* 右列内容左对齐 — 匹配 React pl-8 text-left */
.timeline-side--right {
  padding-left: 2rem;
  text-align: left;
}

/* 中心圆点列 — w-2/12 (≈16.67%) */
.timeline-center {
  width: 16.67%;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
}

/* 圆点 — 匹配 React w-12 h-12 bg-gradient-to-br from-green-500 to-teal-500 rounded-full */
.timeline-dot {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  background: linear-gradient(135deg, #22c55e, #14b8a6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
  transition: transform 0.3s, box-shadow 0.3s;
}
.timeline-dot:hover {
  transform: scale(1.3);
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.6);
}
.timeline-dot svg {
  width: 1.4rem;
  height: 1.4rem;
}

/* 内容卡片 — 匹配 React bg-white p-6 rounded-xl shadow-sm border border-border inline-block */
.timeline-content {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  transition: box-shadow 0.3s, transform 0.2s;
  display: inline-block;
}
.timeline-content:hover {
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  transform: scale(1.02);
}
.timeline-year {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.125rem;
  display: block;
  margin-bottom: 0.4rem;
}
.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.timeline-content p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}

/* 移动端：单列左对齐 */
@media (max-width: 768px) {
  .timeline-line {
    left: 1.25rem;
  }
  .timeline-row {
    flex-direction: row;
    justify-content: flex-start;
    padding-left: 3.5rem;
  }
  .timeline-side {
    width: 100%;
  }
  .timeline-side--left,
  .timeline-side--right {
    padding-left: 0;
    padding-right: 0;
    text-align: left;
    justify-content: flex-start;
  }
  .timeline-center {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
  }
  .timeline-dot {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
  }
  .timeline-dot svg {
    width: 1.1rem;
    height: 1.1rem;
  }
  .timeline-content {
    display: block;
  }
}

/* ===================================
   Contact 页面 — 联系信息 + 表单
   =================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3rem;
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}
.contact-info-card {
  background: var(--muted);
  border-radius: 1rem;
  padding: 2.5rem;
}
.contact-info-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 2rem;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.contact-info-icon {
  width: 3rem;
  height: 3rem;
  background: var(--primary-light);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg { width: 1.4rem; height: 1.4rem; color: var(--primary); }
.contact-info-item h4 { font-weight: 600; margin-bottom: 0.2rem; font-size: 0.9rem; }
.contact-info-item p { color: var(--muted-foreground); }

.contact-form-card {
  background: #fff;
  border-radius: 1rem;
  border: 1px solid var(--border);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}
.contact-form-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

/* 表单通用 */
.inquiry-form .form-group { margin-bottom: 1.25rem; }
.inquiry-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--foreground);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
}
.inquiry-form textarea { resize: none; }
.btn-block { width: 100%; justify-content: center; }

/* 表单成功提示区 */
.form-success {
  text-align: center;
  padding: 3rem 1.5rem;
}
.success-icon {
  width: 4.5rem;
  height: 4.5rem;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}
.success-icon svg { width: 2.2rem; height: 2.2rem; color: var(--primary); }
.form-success h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
.form-success p { color: var(--muted-foreground); margin-bottom: 1.5rem; }

/* ===================================
   Contact 页面 — 人才横幅
   =================================== */
.talent-banner {
  position: relative;
  height: 33vh;
  min-height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.talent-banner-bg {
  position: absolute;
  inset: 0;
}
.talent-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.talent-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.52);
}
.talent-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1rem;
}
.talent-banner-content h2 {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}
.talent-banner-content p {
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.82);
  max-width: 38rem;
  margin: 0 auto;
}

/* ===================================
   Contact 页面 — 职位手风琴
   =================================== */
.jobs-list {
  max-width: 48rem;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.job-item {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  overflow: hidden;
}
.job-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
}
.job-header:hover { background: var(--muted); }
.job-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.job-icon {
  width: 3rem;
  height: 3rem;
  background: var(--primary-light);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.job-icon svg { width: 1.4rem; height: 1.4rem; color: var(--primary); }
.job-title-group h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
.job-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted-foreground);
}
.job-meta span { display: flex; align-items: center; gap: 0.25rem; }
.job-chevron svg { width: 1.1rem; height: 1.1rem; color: #9ca3af; transition: transform 0.3s; }
.job-item.open .job-chevron svg { transform: rotate(180deg); }

/* 手风琴展开内容 */
.job-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.job-item.open .job-body { max-height: 500px; }
.job-body-inner {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}
.job-body-inner p { color: var(--muted-foreground); margin-bottom: 1rem; }
.job-body-inner h4 { font-weight: 600; margin-bottom: 0.6rem; font-size: 0.9rem; }
.job-body-inner ul {
  padding-left: 0;
  list-style: none;
  margin-bottom: 1.5rem;
}
.job-body-inner ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.job-body-inner ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.45rem;
}
.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
  gap: 0.4rem;
}

/* ===================================
   按钮补充（btn-sm 小按钮）
   =================================== */
.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
  gap: 0.4rem;
}