:root {
  --bg: #17161A;
  --panel: #26252A;
  --panel-2: #2E2B28;
  --text: #ECE8E1;
  --text-muted: #A29D94;
  --line: #2E2D32;
  --accent: #C2A878;
  --danger: #D98A7E;
  --max-width: 1200px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Noto Sans SC", system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: "Cormorant Garamond", "Noto Serif SC", serif;
  font-weight: 500;
  letter-spacing: -0.02em;
}

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

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

/* 导航 */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(23, 22, 26, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

/* 主内容 */
.main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 24px 80px;
}

/* 首页 */
.hero {
  padding: 80px 0 100px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 16ch;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 42ch;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.2s;
}

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

.featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
}

.work-card {
  aspect-ratio: 4/5;
  background: var(--panel);
  position: relative;
  overflow: hidden;
}

.work-card img,
.work-card .placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder {
  background: var(--panel-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.work-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  opacity: 0;
  transition: opacity 0.25s;
}

.work-card:hover .work-info {
  opacity: 1;
}

.work-info h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.work-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* 作品页 */
.page-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: 40px;
}

.filters {
  display: flex;
  gap: 24px;
  margin-bottom: 48px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.filters button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
  font: inherit;
}

.filters button.active,
.filters button:hover {
  color: var(--accent);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* 关于 */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 80px;
}

.about-portrait {
  aspect-ratio: 3/4;
  background: var(--panel);
}

.about-text h1 {
  font-size: 2.4rem;
  margin-bottom: 24px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-meta {
  border-top: 1px solid var(--line);
  padding-top: 40px;
}

.meta-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.meta-label {
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

/* 联系 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-info h1 {
  font-size: 2.8rem;
  margin-bottom: 24px;
}

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

.form-group {
  margin-bottom: 32px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  padding: 10px 0;
  font: inherit;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--accent);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

/* 页脚 */
.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* 管理后台 */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--panel);
  padding: 40px 24px;
  border-right: 1px solid var(--line);
}

.admin-sidebar h2 {
  font-size: 1.2rem;
  margin-bottom: 40px;
}

.admin-nav {
  list-style: none;
}

.admin-nav li {
  margin-bottom: 16px;
}

.admin-nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.admin-nav a:hover,
.admin-nav a.active {
  color: var(--accent);
}

.admin-content {
  padding: 40px;
}

.upload-zone {
  border: 1px dashed var(--line);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 40px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.upload-zone:hover {
  border-color: var(--accent);
}

.admin-list {
  display: grid;
  gap: 16px;
}

.admin-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--panel);
  padding: 16px;
}

.admin-item .thumb {
  width: 80px;
  height: 100px;
  background: var(--panel-2);
  flex-shrink: 0;
}

.admin-item .actions {
  margin-left: auto;
  display: flex;
  gap: 12px;
}

.admin-item button {
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 6px 14px;
  font-size: 0.8rem;
  cursor: pointer;
}

.admin-item button.delete {
  border-color: var(--danger);
  color: var(--danger);
}

/* 登录 */
.login-box {
  max-width: 360px;
  margin: 160px auto;
  padding: 40px;
  background: var(--panel);
}

.login-box h1 {
  font-size: 1.6rem;
  margin-bottom: 32px;
  text-align: center;
}

.login-box input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 16px;
  margin-bottom: 20px;
  font: inherit;
}

.login-box button {
  width: 100%;
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 14px;
  font: inherit;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 响应式 */
@media (max-width: 900px) {
  .featured,
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 600px) {
  .featured,
  .work-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    gap: 16px;
    font-size: 0.75rem;
  }
  .hero h1 {
    font-size: 2.4rem;
  }
}
.work-card img { object-fit:contain; }
.work-info { opacity:1; background:rgba(23,22,26,.9); }