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

:root {
  --bg: #ffffff;
  --bg2: #f5f5f5;
  --accent: #9a7c4f;
  --text: #1a1a1a;
  --muted: #888;
  --border: #e0e0e0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
}

/* 导航 */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 60px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text);
  text-transform: uppercase;
}

.logo img {
  height: 40px;
  width: auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 40px;
}

nav ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.3s;
}

nav ul a:hover {
  color: var(--accent);
}

/* 首页横幅 */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 50%, #f0ede8 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: 'MA';
  position: absolute;
  font-size: 30vw;
  font-weight: 900;
  color: rgba(0,0,0,0.04);
  letter-spacing: -2vw;
  user-select: none;
}

.hero-content h1 {
  font-size: 5rem;
  font-weight: 300;
  letter-spacing: 16px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-content p {
  font-size: 1rem;
  color: var(--muted);
  letter-spacing: 4px;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 14px 40px;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.8rem;
  transition: all 0.3s;
}

.btn:hover {
  background: var(--accent);
  color: #000;
}

/* 作品区 */
#works {
  padding: 120px 60px;
}

.section-title {
  font-size: 0.8rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 60px;
}

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

.item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.item-img {
  width: 100%;
  aspect-ratio: 4/3;
  transition: transform 0.6s ease;
}

.item:hover .item-img {
  transform: scale(1.05);
}

.item-info {
  padding: 16px 0;
}

.tag {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
}

.item-info h3 {
  font-size: 1rem;
  font-weight: 400;
  margin-top: 4px;
  color: var(--text);
}

/* 关于 */
#about {
  padding: 120px 60px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 80px;
  max-width: 1000px;
  margin: 0 auto;
}

.about-text h2 {
  font-size: 0.8rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.about-text p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 480px;
  margin-bottom: 12px;
}

.about-stats {
  display: flex;
  gap: 48px;
  flex-shrink: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.num {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--accent);
}

.label {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

/* 服务 */
#services {
  padding: 120px 60px;
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  max-width: 1000px;
  margin: 0 auto;
}

.service-item {
  padding: 48px 40px;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.service-item:hover {
  border-color: var(--accent);
}

.service-num {
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}

.service-item h3 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--text);
}

.service-item p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width: 768px) {
  #services { padding: 80px 24px; }
  .services-grid { grid-template-columns: 1fr; }
}

/* 联系 */
#contact {
  padding: 120px 60px;
}

.contact-inner {
  display: flex;
  gap: 80px;
  max-width: 900px;
  margin: 0 auto;
}

.contact-info {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 8px;
}

.contact-info p {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.contact-info a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-info a:hover {
  color: var(--accent);
}

.social-icons {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.social-icon {
  color: var(--muted);
  font-size: 1.4rem;
  text-decoration: none;
  transition: color 0.3s, transform 0.3s;
}

.social-icon:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.map-wrap {
  width: 280px;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-top: 8px;
}

#map {
  width: 100%;
  height: 200px;
}

form {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

input, textarea {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 18px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}

input:focus, textarea:focus {
  border-color: var(--accent);
}

textarea {
  resize: vertical;
}

form button {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 14px;
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
}

form button:hover {
  background: var(--accent);
  color: #000;
}

.file-upload {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-upload label {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.file-upload input[type="file"] {
  background: var(--bg2);
  border: 1px dashed var(--border);
  color: var(--muted);
  padding: 14px 18px;
  font-size: 0.85rem;
  cursor: pointer;
}

.file-upload input[type="file"]:hover {
  border-color: var(--accent);
}

#form-msg {
  text-align: center;
  color: var(--accent);
  margin-top: 20px;
  letter-spacing: 2px;
  font-size: 0.85rem;
}

/* 页脚 */
footer {
  padding: 32px 60px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-social {
  display: flex;
  gap: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
  nav { padding: 20px 24px; }
  nav ul { gap: 20px; }
  .hero-content h1 { font-size: 2.8rem; letter-spacing: 8px; }
  #works, #about, #contact { padding: 80px 24px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { flex-direction: column; gap: 40px; }
  .contact-inner { flex-direction: column; gap: 40px; }
}

@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2rem; }
}