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

:root {
  --black: #0a0a0a;
  --dark: #141414;
  --gray-900: #1a1a1a;
  --gray-800: #2a2a2a;
  --gray-700: #3a3a3a;
  --gray-600: #555;
  --gray-500: #777;
  --gray-400: #999;
  --gray-300: #bbb;
  --gray-200: #ddd;
  --gray-100: #eee;
  --white: #f5f5f0;
  --bg: #0a0a0a;
  --bg-alt: #141414;
  --bg-card: #1a1a1a;
  --text-primary: #f5f5f0;
  --text-secondary: #999;
  --text-tertiary: #555;
  --border-color: rgba(200, 169, 110, 0.08);
  --border-strong: rgba(200, 169, 110, 0.15);
  --nav-bg: rgba(10, 10, 10, 0.92);
  --accent: #c8a96e;
  --accent-light: #dfc08a;
  --serif: 'Noto Serif SC', 'Georgia', serif;
  --sans: 'Inter', -apple-system, 'Helvetica Neue', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="light"] {
  --bg: #faf9f6;
  --bg-alt: #f0eeea;
  --bg-card: #e8e5e0;
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --text-tertiary: #999;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --nav-bg: rgba(250, 249, 246, 0.92);
  --accent: #9a7b3f;
  --accent-light: #b8944d;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s ease, color 0.5s ease;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 1.5rem 3rem;
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 1rem 3rem;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; }
.logo-text {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 700;
  letter-spacing: 0.15em; color: var(--text-primary);
}
.logo-sub {
  font-size: 0.55rem; letter-spacing: 0.35em; color: var(--accent);
  font-weight: 500;
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-link {
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gray-400); transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 1.5px; background: var(--text-primary);
  transition: var(--transition);
}

.theme-toggle {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  font-size: 0.75rem;
  transition: border-color 0.3s, background 0.3s;
  background: transparent;
  color: var(--text-secondary);
}
.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--bg-card);
}

/* ===== Hero ===== */
.hero {
  position: relative; height: 100vh; min-height: 700px;
  overflow: hidden;
}
.hero-slider { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 10, 0.7) 0%,
    rgba(10, 10, 10, 0.3) 50%,
    rgba(10, 10, 10, 0.5) 100%
  );
}
[data-theme="light"] .hero-overlay {
  background: linear-gradient(
    135deg,
    rgba(250, 249, 246, 0.6) 0%,
    rgba(250, 249, 246, 0.2) 50%,
    rgba(250, 249, 246, 0.5) 100%
  );
}
.hero-content {
  position: absolute; bottom: 12%; left: 6%;
  max-width: 680px; z-index: 2;
}
.hero-tag {
  font-size: 0.7rem; letter-spacing: 0.3em; color: var(--accent);
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700; line-height: 1.15; margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}
.hero-desc {
  font-size: 1rem; color: var(--gray-300); line-height: 1.8;
  margin-bottom: 2.5rem; max-width: 500px;
}
.hero-cta {
  display: inline-block; padding: 0.9rem 2.5rem;
  border: 1px solid var(--accent); color: var(--accent);
  font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase;
  transition: var(--transition);
}
.hero-cta:hover {
  background: var(--accent); color: var(--bg);
}

.hero-coming-soon {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  margin-top: 2.5rem;
}
.coming-soon-badge {
  display: inline-block; padding: 0.6rem 2rem;
  border: 1px solid var(--white); color: var(--white);
  font-size: 0.85rem; letter-spacing: 0.3em;
  font-family: var(--font-cn); opacity: 0.9;
}
.coming-soon-sub {
  font-size: 0.7rem; letter-spacing: 0.4em;
  color: var(--gray-500); font-family: var(--font-en);
}

.hero-scroll {
  position: absolute; bottom: 3rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
  z-index: 2;
}
.hero-scroll span {
  font-size: 0.6rem; letter-spacing: 0.3em; color: var(--gray-500);
}
.scroll-line {
  width: 1px; height: 40px; background: var(--gray-700);
  position: relative; overflow: hidden;
}
.scroll-line::after {
  content: ''; position: absolute; top: -100%; left: 0;
  width: 100%; height: 100%; background: var(--accent);
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 100%; }
}

.hero-counter {
  position: absolute; bottom: 12%; right: 4%;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  z-index: 2;
}
.counter-current, .counter-total {
  font-size: 0.75rem; letter-spacing: 0.15em; color: var(--gray-400);
}
.counter-line {
  width: 1px; height: 30px; background: var(--gray-600);
}

/* ===== Section Common ===== */
.section-header {
  text-align: center; margin-bottom: 4rem;
}
.section-tag {
  display: inline-block; font-size: 0.65rem; letter-spacing: 0.35em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 1rem;
}
.section-title {
  font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700; margin-bottom: 0.8rem; letter-spacing: 0.05em;
}
.section-desc {
  font-size: 0.95rem; color: var(--gray-400); max-width: 480px; margin: 0 auto;
}

/* ===== Stories ===== */
.stories {
  padding: 8rem 4% 6rem;
  max-width: 1400px; margin: 0 auto;
}
.stories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.story-card {
  position: relative; overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition);
}
.story-card:hover { transform: translateY(-4px); }
.story-image {
  width: 100%; padding-bottom: 65%;
  background-size: cover; background-position: center;
  transition: transform 0.8s ease;
}
.story-card:hover .story-image { transform: scale(1.05); }
.story-info {
  padding: 1.5rem 0.5rem;
}
.story-category {
  font-size: 0.65rem; letter-spacing: 0.2em; color: var(--accent);
  text-transform: uppercase;
}
.story-title {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 600;
  margin: 0.5rem 0; letter-spacing: 0.02em;
}
.story-excerpt {
  font-size: 0.88rem; color: var(--gray-400); line-height: 1.75;
  margin-bottom: 1rem;
}
.story-meta {
  display: flex; gap: 1.5rem; font-size: 0.75rem; color: var(--gray-500);
  letter-spacing: 0.05em;
}

/* 大图故事 */
.story-large {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: var(--bg-alt);
}
.story-large .story-image {
  padding-bottom: 0; min-height: 420px;
}
.story-large .story-info {
  padding: 3rem 2.5rem; display: flex; flex-direction: column;
  justify-content: center;
}
.story-large .story-title { font-size: 1.8rem; }
.story-large .story-excerpt { font-size: 0.92rem; }

.story-reverse { direction: rtl; }
.story-reverse > * { direction: ltr; }

.stories-more {
  text-align: center; margin-top: 4rem;
}
.more-link {
  font-size: 0.8rem; letter-spacing: 0.15em; color: var(--accent);
  text-transform: uppercase; transition: color var(--transition);
}
.more-link:hover { color: var(--accent-light); }
.more-link .arrow {
  display: inline-block; transition: transform var(--transition);
}
.more-link:hover .arrow { transform: translateX(6px); }

/* ===== Videos ===== */
.videos {
  padding: 8rem 4% 6rem;
  max-width: 1400px;
  margin: 0 auto;
}
.videos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.video-card {
  position: relative;
  cursor: pointer;
  transition: transform var(--transition);
}
.video-card:hover { transform: translateY(-4px); }
.video-wrapper {
  position: relative;
  overflow: hidden;
  background: #000;
}
.video-featured .video-wrapper {
  aspect-ratio: 16 / 9;
}
.video-card:not(.video-featured) .video-wrapper {
  aspect-ratio: 16 / 9;
}
.video-poster {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 0.8s ease, opacity 0.5s ease;
}
.video-card:hover .video-poster { transform: scale(1.05); }
.video-wrapper.playing .video-poster { opacity: 0; }

.video-overlay {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.25);
  transition: background 0.4s ease;
}
.video-card:hover .video-overlay { background: rgba(0, 0, 0, 0.35); }
.video-wrapper.playing .video-overlay { display: none; }

.video-play-btn {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  color: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}
.video-card:hover .video-play-btn { transform: translate(-50%, -50%) scale(1.1); }
.video-wrapper.playing .video-play-btn { opacity: 0; pointer-events: none; }

.video-wrapper video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: none;
}
.video-wrapper.playing video { display: block; }

.video-close-btn {
  position: absolute; top: 1rem; right: 1rem;
  z-index: 5; width: 32px; height: 32px;
  display: none; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
  background: rgba(0,0,0,0.5); border-radius: 50%;
  transition: background 0.3s;
}
.video-close-btn:hover { background: rgba(0,0,0,0.8); }
.video-wrapper.playing .video-close-btn { display: flex; }

.video-featured {
  grid-column: 1 / -1;
}
.video-featured .video-wrapper {
  aspect-ratio: 21 / 9;
  max-height: 500px;
}
.video-featured .video-caption {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: start;
}

.video-caption {
  padding: 1.2rem 0.5rem 0.5rem;
}
.video-tag {
  display: inline-block;
  font-size: 0.6rem; letter-spacing: 0.2em;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.video-title {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 600;
  margin-bottom: 0.4rem; letter-spacing: 0.02em;
}
.video-featured .video-title { font-size: 1.6rem; }
.video-desc {
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.75;
}
.video-meta {
  display: flex; gap: 1.2rem; margin-top: 0.6rem;
  font-size: 0.72rem; color: var(--text-tertiary); letter-spacing: 0.05em;
}
.video-duration {
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.videos-more {
  text-align: center; margin-top: 4rem;
}

/* ===== Photographers ===== */
.photographers {
  padding: 6rem 4%;
  background: var(--bg-alt);
  transition: background 0.5s ease;
}
.photographers-list {
  max-width: 1000px; margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.photographer-card {
  display: flex; align-items: center; gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(200, 169, 110, 0.1);
  transition: var(--transition);
  color: var(--white);
}
.photographer-card:last-child { border-bottom: none; }
.photographer-card:hover { padding-left: 1rem; background: var(--bg-card); }
.ph-avatar {
  width: 140px; height: 140px; min-width: 140px;
  border-radius: 50%;
  background-size: cover; background-position: center;
  border: 2px solid var(--gray-800);
  transition: border-color var(--transition);
}
.photographer-card:hover .ph-avatar { border-color: var(--accent); }
.ph-info { flex: 1; }
.ph-name {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 600;
  margin-bottom: 0.2rem; letter-spacing: 0.03em;
}
.ph-role {
  font-size: 0.75rem; letter-spacing: 0.15em; color: var(--accent);
  text-transform: uppercase; margin-bottom: 0.8rem;
}
.ph-bio {
  font-size: 0.9rem; color: var(--gray-400); line-height: 1.8;
  max-width: 560px; margin-bottom: 1.2rem;
}
.ph-stats { display: flex; gap: 2.5rem; }
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-num {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.65rem; letter-spacing: 0.15em; color: var(--gray-500);
  text-transform: uppercase;
}

/* ===== Quote ===== */
.quote-section {
  padding: 8rem 4%;
  background: var(--bg);
  text-align: center;
  transition: background 0.5s ease;
}
.quote-inner { max-width: 800px; margin: 0 auto; }
.quote-text {
  font-family: var(--serif); font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 400; line-height: 1.8; color: var(--gray-200);
  font-style: italic; letter-spacing: 0.02em;
}
.quote-author {
  display: block; margin-top: 2rem;
  font-size: 0.8rem; color: var(--gray-500); letter-spacing: 0.1em;
  font-style: normal;
}

/* ===== About ===== */
.about {
  padding: 8rem 4%;
  background: var(--bg-alt);
  transition: background 0.5s ease;
}
.about-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center;
}
.about-text {}
.about-title {
  font-family: var(--serif); font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700; margin: 0.5rem 0 1.5rem; letter-spacing: 0.03em;
}
.about-para {
  font-size: 0.95rem; color: var(--gray-400); line-height: 1.9;
  margin-bottom: 1.2rem;
}
.about-values {
  margin-top: 2.5rem;
  display: flex; flex-direction: column; gap: 1.5rem;
}
.value-item { display: flex; gap: 1.2rem; align-items: flex-start; }
.value-num {
  font-family: var(--serif); font-size: 1.8rem; font-weight: 700;
  color: var(--accent); line-height: 1; min-width: 2.5rem;
}
.value-title {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 600;
  margin-bottom: 0.2rem;
}
.value-desc { font-size: 0.85rem; color: var(--gray-500); }
.about-visual {}
.about-image {
  width: 100%; padding-bottom: 120%;
  background-size: cover; background-position: center;
  position: relative;
}
.about-image::after {
  content: ''; position: absolute;
  top: 1.5rem; left: 1.5rem; right: -1.5rem; bottom: -1.5rem;
  border: 1px solid var(--accent); opacity: 0.2;
}

/* ===== Contact ===== */
.contact {
  padding: 8rem 4%;
  background: var(--bg);
  transition: background 0.5s ease;
}
.contact-inner { max-width: 640px; margin: 0 auto; }
.contact-header { text-align: center; margin-bottom: 3rem; }

.contact-form {
  display: flex; flex-direction: column; gap: 1.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-size: 0.7rem; letter-spacing: 0.15em; color: var(--gray-400);
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 0.85rem 1rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 120px; }

.submit-btn {
  align-self: flex-start;
  padding: 0.9rem 2.5rem;
  background: var(--accent);
  color: var(--black);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  transition: var(--transition);
}
.submit-btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  padding: 4rem 4% 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  transition: background 0.5s ease;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem;
}
.footer-brand {}
.footer-logo {
  font-family: var(--serif); font-size: 1.2rem; font-weight: 700;
  letter-spacing: 0.15em;
}
.footer-sub {
  display: block; font-size: 0.55rem; letter-spacing: 0.35em;
  color: var(--accent); margin: 2px 0 0.8rem;
}
.footer-desc { font-size: 0.85rem; color: var(--gray-500); }
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col h5 {
  font-size: 0.7rem; letter-spacing: 0.15em; color: var(--gray-400);
  text-transform: uppercase; margin-bottom: 0.3rem;
}
.footer-col a {
  font-size: 0.85rem; color: var(--gray-500);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 2rem; margin-top: 1rem;
  border-top: 1px solid rgba(200, 169, 110, 0.08);
  font-size: 0.75rem; color: var(--gray-600);
}
.footer-icp {
  margin-top: 0.5rem;
}
.footer-icp a {
  font-size: 0.75rem;
  color: var(--gray-600);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-icp a:hover {
  color: var(--white);
}




/* ===== Animations ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .story-large { grid-template-columns: 1fr; }
  .story-large .story-image { min-height: 300px; }
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { order: -1; }
  .about-image { padding-bottom: 60%; }
  .about-image::after { display: none; }
  .video-featured .video-caption { grid-template-columns: 1fr; }
  .photographers-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .navbar { padding: 1rem 1.5rem; }
  .navbar.scrolled { padding: 0.8rem 1.5rem; }

  .nav-links {
    position: fixed; top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--dark);
    flex-direction: column; justify-content: center;
    padding: 2rem; gap: 2rem;
    transition: right var(--transition);
    border-left: 1px solid rgba(200, 169, 110, 0.1);
  }
  .nav-links.open { right: 0; }
  .nav-toggle { display: flex; }

  .hero-content { left: 5%; bottom: 15%; max-width: 90%; }
  .hero-counter { display: none; }

  .stories { padding: 5rem 5% 4rem; }
  .stories-grid { grid-template-columns: 1fr; }
  .story-large { grid-column: span 1; }
  .story-reverse { direction: ltr; }

  .videos { padding: 5rem 5% 4rem; }
  .videos-grid { grid-template-columns: 1fr; }
  .video-featured .video-wrapper { aspect-ratio: 16 / 9; }

  .photographers-list { grid-template-columns: 1fr; }
  .photographer-card {
    flex-direction: column; text-align: center;
    gap: 1.5rem;
  }
  .ph-bio { max-width: 100%; }
  .ph-stats { justify-content: center; }

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

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-desc { font-size: 0.88rem; }
  .story-large .story-info { padding: 2rem 1.5rem; }
  .story-large .story-title { font-size: 1.4rem; }
  .ph-avatar { width: 100px; height: 100px; min-width: 100px; }
}