/* ========== CSS Variables ========== */
:root {
  --primary: #E8583A;
  --primary-dark: #C73D28;
  --primary-light: #FF7A5C;
  --dark: #1A1A1A;
  --dark-soft: #2A2A2A;
  --gray-900: #111111;
  --gray-800: #222222;
  --gray-700: #333333;
  --gray-600: #555555;
  --gray-500: #777777;
  --gray-400: #999999;
  --gray-300: #BBBBBB;
  --gray-200: #DDDDDD;
  --gray-100: #F5F5F5;
  --white: #FFFFFF;
  --font-main: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s ease;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --radius: 8px;
  --radius-lg: 16px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

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

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

/* ========== Layout ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

/* ========== Navigation ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.8rem 0;
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition);
}

.navbar.scrolled .nav-logo {
  color: var(--dark);
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  position: relative;
  padding: 0.3rem 0;
}

.navbar.scrolled .nav-links a {
  color: var(--gray-600);
}

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

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

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

.navbar.scrolled .nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 50px;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

.navbar.scrolled .mobile-toggle span {
  background: var(--dark);
}

/* ========== Hero Section ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--dark);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(232,88,58,0.15), transparent),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(232,88,58,0.08), transparent);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--white), transparent);
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 750px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: #4ADE80;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2.5rem;
  max-width: 550px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(232,88,58,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

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

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

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-item {
  color: var(--white);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-number .plus {
  font-size: 1.2rem;
  color: var(--primary);
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* ========== Services Section ========== */
.services {
  background: var(--white);
}

.services-header {
  text-align: center;
  margin-bottom: 4rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  background: rgba(232,88,58,0.08);
  color: var(--primary);
}

.service-card h3 {
  margin-bottom: 0.8rem;
}

.service-card p {
  color: var(--gray-500);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tags span {
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  background: var(--gray-100);
  border-radius: 50px;
  color: var(--gray-600);
}

/* ========== About Preview Section ========== */
.about-preview {
  background: var(--gray-100);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image .img-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--dark), var(--dark-soft));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.img-placeholder .pattern {
  position: absolute;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(232,88,58,0.03) 20px,
    rgba(232,88,58,0.03) 40px
  );
  animation: slide-pattern 20s linear infinite;
}

@keyframes slide-pattern {
  0% { transform: translate(0,0); }
  100% { transform: translate(40px,40px); }
}

.img-placeholder .brand-mark {
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.06);
  letter-spacing: 5px;
  z-index: 1;
}

.about-content .section-tag {
  margin-bottom: 0.8rem;
}

.about-content h2 {
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--gray-500);
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.about-list {
  margin: 2rem 0;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0;
  color: var(--dark);
  font-size: 0.92rem;
}

.about-list li .check {
  width: 24px;
  height: 24px;
  background: rgba(232,88,58,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ========== CTA Section ========== */
.cta-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,88,58,0.2), transparent 70%);
  border-radius: 50%;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-content p {
  color: rgba(255,255,255,0.6);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

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

/* ========== Footer ========== */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 4rem 0 2rem;
  color: rgba(255,255,255,0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  padding: 0.3rem 0;
  color: rgba(255,255,255,0.5);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

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

/* ========== Page Hero (Sub Pages) ========== */
.page-hero {
  background: var(--dark);
  padding: 10rem 0 6rem;
  text-align: center;
  position: relative;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--white), transparent);
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.page-hero p {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}

/* ========== About Page ========== */
.about-mission {
  background: var(--white);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.mission-card {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  background: var(--gray-100);
  transition: var(--transition);
}

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

.mission-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.mission-card h3 {
  margin-bottom: 0.8rem;
}

.mission-card p {
  color: var(--gray-500);
  font-size: 0.92rem;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--gray-200);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding: 2rem 0;
  position: relative;
  width: 50%;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  margin-left: 50%;
}

.timeline-dot {
  position: absolute;
  right: -8px;
  top: 2.5rem;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
  z-index: 1;
}

.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -8px;
}

.timeline-content {
  background: var(--white);
  padding: 1.5rem 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  margin-right: 2rem;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: 0;
  margin-left: 2rem;
}

.timeline-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.timeline-content h4 {
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--gray-500);
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.team-card {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--gray-100);
  transition: var(--transition);
}

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

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--dark);
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: rgba(255,255,255,0.3);
}

.team-card h4 {
  margin-bottom: 0.3rem;
}

.team-card .role {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
}

/* ========== Services Page ========== */
.service-detail {
  padding: 6rem 0;
}

.service-detail:nth-child(even) {
  background: var(--gray-100);
}

.service-detail .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service-detail:nth-child(even) .service-text {
  order: 2;
}

.service-visual {
  background: var(--dark);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-visual .visual-icon {
  font-size: 4rem;
  color: rgba(255,255,255,0.1);
}

.service-text h2 {
  margin-bottom: 1rem;
}

.service-text p {
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.6rem 0;
  font-size: 0.92rem;
}

.service-features li .icon {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ========== Contact Page ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--gray-100);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.contact-info-card:hover {
  background: var(--gray-200);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-card h4 {
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.contact-info-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
}

/* Contact Form */
.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-family: var(--font-main);
  transition: var(--transition);
  background: var(--white);
  color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,88,58,0.1);
}

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

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

/* Map Placeholder */
.map-placeholder {
  width: 100%;
  height: 300px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.92rem;
  margin-top: 2rem;
  border: 1px solid var(--gray-200);
}

/* ========== FAQ Section ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
  padding: 1.5rem 0;
  cursor: pointer;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1rem;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--gray-500);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  margin-top: 1rem;
}

.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  background: var(--primary);
  color: white;
  transform: rotate(45deg);
}

/* ========== Animations ========== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-detail .container {
    grid-template-columns: 1fr;
  }
  .service-detail:nth-child(even) .service-text {
    order: 0;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    gap: 1rem;
  }
  .nav-links.active a {
    color: var(--dark);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
  .mission-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 50px;
    justify-content: flex-start;
  }
  .timeline-item:nth-child(even) {
    margin-left: 0;
  }
  .timeline-dot {
    left: 12px;
    right: auto;
  }
  .timeline-item:nth-child(even) .timeline-dot {
    left: 12px;
  }
  .timeline-content {
    margin-right: 0 !important;
    margin-left: 0 !important;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}


/* ---------- 站点矩阵（2026-10-22 新增，连通 chqean.cn / mvp / newtrend / sincerely / blog） ---------- */
.site-matrix{
  margin: 2.6rem 0 1.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.site-matrix-title{
  font-size: 0.72rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); margin-bottom: 0.9rem;
}
.site-matrix-links{ display: flex; flex-wrap: wrap; gap: 0.7rem 1.5rem; }
.site-matrix-links a{
  font-size: 0.84rem; color: rgba(255,255,255,0.72);
  text-decoration: none; transition: color .2s;
}
.site-matrix-links a:hover{ color: #fff; }