@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700;900&family=Noto+Sans+SC:wght@300;400;500;600;700&family=DM+Serif+Display:ital@0;1&display=swap');

:root {
  --ink: #1a1612;
  --ink-light: #3d352c;
  --cream: #f7f3ed;
  --cream-dark: #efe9df;
  --terracotta: #c7522a;
  --terracotta-light: #e8734d;
  --terracotta-dark: #a3411f;
  --forest: #2d5a47;
  --forest-light: #3d7a62;
  --sand: #e2d9cb;
  --sand-light: #ede7dd;
  --white: #ffffff;
  --gold: #b8943e;
  --gold-light: #d4b055;
  --shadow-sm: 0 1px 3px rgba(26,22,18,0.06), 0 1px 2px rgba(26,22,18,0.04);
  --shadow-md: 0 4px 12px rgba(26,22,18,0.08), 0 2px 4px rgba(26,22,18,0.04);
  --shadow-lg: 0 12px 40px rgba(26,22,18,0.12), 0 4px 12px rgba(26,22,18,0.06);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'DM Serif Display', var(--font-serif);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); background-color: var(--cream); color: var(--ink); line-height: 1.7; min-height: 100vh; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }

/* Header */
.site-header { background: var(--ink); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 20px rgba(0,0,0,0.15); }
.header-top { background: linear-gradient(135deg, #0f0d0a 0%, #1a1612 50%, #0f0d0a 100%); padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.header-top-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
.header-top a { color: rgba(255,255,255,0.5); }
.header-top a:hover { color: var(--gold-light); }
.header-main { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.site-logo { display: flex; align-items: center; gap: 14px; }
.logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--terracotta), var(--gold)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1.3rem; color: var(--white); letter-spacing: -1px; box-shadow: 0 4px 12px rgba(199,82,42,0.3); }
.logo-text { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; color: var(--white); letter-spacing: 1px; }
.logo-text span { display: block; font-family: var(--font-sans); font-size: 0.62rem; font-weight: 400; color: rgba(255,255,255,0.4); letter-spacing: 2px; text-transform: uppercase; margin-top: -2px; }

/* Nav */
.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav a { color: rgba(255,255,255,0.75); font-size: 0.88rem; font-weight: 400; padding: 8px 16px; border-radius: var(--radius-sm); transition: all var(--transition); position: relative; letter-spacing: 0.5px; }
.main-nav a::after { content: ''; position: absolute; bottom: 2px; left: 16px; right: 16px; height: 2px; background: var(--terracotta); transform: scaleX(0); transition: transform var(--transition); border-radius: 1px; }
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { font-weight: 500; }

/* Mobile */
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition); }

/* Hero */
.hero { background: linear-gradient(165deg, var(--ink) 0%, #2a231b 40%, var(--ink-light) 100%); padding: 80px 0 100px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: radial-gradient(circle, rgba(199,82,42,0.08) 0%, transparent 70%); border-radius: 50%; }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(45,90,71,0.06) 0%, transparent 70%); border-radius: 50%; }
.hero-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(199,82,42,0.12); border: 1px solid rgba(199,82,42,0.25); padding: 6px 16px; border-radius: 100px; font-size: 0.78rem; color: var(--terracotta-light); margin-bottom: 28px; letter-spacing: 1px; }
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--terracotta); border-radius: 50%; animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.5); } }
.hero h1 { font-family: var(--font-serif); font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900; color: var(--white); line-height: 1.25; margin-bottom: 20px; max-width: 700px; }
.hero h1 em { font-style: normal; color: var(--terracotta-light); }
.hero > .hero-inner > p { font-size: 1.05rem; color: rgba(255,255,255,0.55); max-width: 520px; line-height: 1.8; margin-bottom: 40px; }
.hero-categories { display: flex; gap: 20px; flex-wrap: wrap; }
.hero-cat-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 28px 36px; display: flex; align-items: center; gap: 18px; transition: all var(--transition); cursor: pointer; min-width: 280px; backdrop-filter: blur(10px); }
.hero-cat-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(199,82,42,0.3); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
.hero-cat-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.hero-cat-icon.web { background: linear-gradient(135deg, rgba(199,82,42,0.2), rgba(199,82,42,0.05)); color: var(--terracotta-light); }
.hero-cat-icon.app { background: linear-gradient(135deg, rgba(45,90,71,0.25), rgba(45,90,71,0.08)); color: var(--forest-light); }
.hero-cat-info h3 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; color: var(--white); margin-bottom: 4px; }
.hero-cat-info p { font-size: 0.82rem; color: rgba(255,255,255,0.4); margin-bottom: 0; }

/* Main Content */
.main-content { max-width: 1280px; margin: 0 auto; padding: 60px 24px; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 36px; padding-bottom: 16px; border-bottom: 2px solid var(--sand); }
.section-header h2 { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700; color: var(--ink); position: relative; }
.section-header h2::before { content: ''; position: absolute; bottom: -18px; left: 0; width: 48px; height: 3px; background: var(--terracotta); border-radius: 2px; }
.section-header .view-all { font-size: 0.85rem; color: var(--terracotta); font-weight: 500; display: flex; align-items: center; gap: 4px; transition: gap var(--transition); }
.section-header .view-all:hover { gap: 8px; }

/* Listing Cards */
.listings-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 24px; margin-bottom: 60px; }
.listing-card { background: var(--white); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.04); transition: all var(--transition); position: relative; overflow: hidden; }
.listing-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--terracotta), var(--gold)); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.listing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.listing-card:hover::before { transform: scaleX(1); }
.listing-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.listing-tag { font-size: 0.72rem; font-weight: 600; padding: 3px 10px; border-radius: 100px; letter-spacing: 0.5px; }
.listing-tag.web { background: rgba(199,82,42,0.08); color: var(--terracotta); }
.listing-tag.app { background: rgba(45,90,71,0.08); color: var(--forest); }
.listing-date { font-size: 0.78rem; color: var(--ink-light); opacity: 0.5; }
.listing-card h3 { font-family: var(--font-serif); font-size: 1.12rem; font-weight: 600; color: var(--ink); margin-bottom: 10px; line-height: 1.5; transition: color var(--transition); }
.listing-card:hover h3 { color: var(--terracotta); }
.listing-card .desc { font-size: 0.88rem; color: var(--ink-light); line-height: 1.7; margin-bottom: 18px; }
.listing-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--sand-light); }
.listing-price { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: var(--terracotta); }
.listing-contact { font-size: 0.8rem; color: var(--forest); font-weight: 500; display: flex; align-items: center; gap: 4px; }

/* Category Page */
.category-hero { background: linear-gradient(165deg, var(--ink) 0%, #2a231b 100%); padding: 50px 0 60px; position: relative; overflow: hidden; }
.category-hero::before { content: ''; position: absolute; top: -40%; right: -15%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(199,82,42,0.06) 0%, transparent 70%); border-radius: 50%; }
.category-hero-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.category-breadcrumb { font-size: 0.82rem; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.category-breadcrumb a:hover { color: var(--terracotta-light); }
.category-hero h1 { font-family: var(--font-serif); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: var(--white); margin-bottom: 12px; }
.category-hero p { font-size: 0.95rem; color: rgba(255,255,255,0.5); max-width: 500px; }
.category-stats { display: flex; gap: 32px; margin-top: 28px; }
.category-stat .number { font-family: var(--font-display); font-size: 1.8rem; color: var(--terracotta-light); display: block; }
.category-stat .label { font-size: 0.75rem; color: rgba(255,255,255,0.4); letter-spacing: 1px; }

/* Policy Pages */
.policy-hero { background: linear-gradient(165deg, var(--ink) 0%, #2a231b 100%); padding: 50px 0; }
.policy-hero-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.policy-hero h1 { font-family: var(--font-serif); font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 900; color: var(--white); margin-bottom: 8px; }
.policy-hero .subtitle { font-size: 0.9rem; color: rgba(255,255,255,0.4); }
.policy-content { max-width: 880px; margin: 0 auto; padding: 50px 24px 80px; }
.policy-content .update-date { font-size: 0.82rem; color: var(--ink-light); opacity: 0.6; margin-bottom: 32px; padding-bottom: 20px; border-bottom: 1px solid var(--sand); }
.policy-content h2 { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; color: var(--ink); margin-top: 40px; margin-bottom: 16px; padding-left: 16px; border-left: 3px solid var(--terracotta); }
.policy-content h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; color: var(--ink); margin-top: 28px; margin-bottom: 12px; }
.policy-content p { font-size: 0.92rem; color: var(--ink-light); line-height: 1.9; margin-bottom: 14px; text-align: justify; }
.policy-content ol, .policy-content ul { padding-left: 24px; margin-bottom: 14px; }
.policy-content li { font-size: 0.92rem; color: var(--ink-light); line-height: 1.9; margin-bottom: 8px; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.5); padding: 50px 0 0; }
.footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand p { font-size: 0.82rem; line-height: 1.8; max-width: 300px; }
.footer-col h4 { font-family: var(--font-serif); font-size: 0.9rem; font-weight: 600; color: rgba(255,255,255,0.8); margin-bottom: 18px; }
.footer-col a { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.4); padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--terracotta-light); }
.footer-bottom { padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.78rem; }
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--terracotta-light); }
.footer-icp { display: flex; align-items: center; gap: 16px; }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: fadeInUp 0.6s ease-out forwards; opacity: 0; }
.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }
.animate-in:nth-child(6) { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .main-nav { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: var(--ink); flex-direction: column; align-items: flex-start; padding: 80px 24px 24px; gap: 0; transition: right var(--transition); box-shadow: -8px 0 30px rgba(0,0,0,0.3); z-index: 999; overflow-y: auto; }
  .main-nav.open { right: 0; }
  .main-nav a { width: 100%; padding: 14px 0; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .main-nav a::after { display: none; }
  .nav-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 998; }
  .nav-overlay.open { display: block; }
  .hero { padding: 50px 0 70px; }
  .hero-categories { flex-direction: column; }
  .hero-cat-card { min-width: auto; }
  .listings-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .header-top { display: none; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .section-header h2 { font-size: 1.3rem; }
  .listing-card { padding: 20px; }
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--sand); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-light); }
::selection { background: rgba(199,82,42,0.15); color: var(--ink); }

/* Linked listing cards */
a > .listing-card { cursor: pointer; }
a > .listing-card:hover { color: inherit; }

/* Detail page contact card responsive */
@media (max-width: 480px) {
  .policy-content div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 4px 0 !important;
  }
}

/* Auth & Publish Pages */
.auth-section {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 440px;
  border: 1px solid rgba(0,0,0,0.04);
}

.auth-card h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.auth-card .auth-subtitle {
  font-size: 0.88rem;
  color: var(--ink-light);
  opacity: 0.6;
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--cream);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--terracotta);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(199,82,42,0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--ink-light);
  opacity: 0.4;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
}

.form-group .hint {
  font-size: 0.75rem;
  color: var(--ink-light);
  opacity: 0.5;
  margin-top: 6px;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.82rem;
  color: var(--ink-light);
  line-height: 1.5;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--terracotta);
  flex-shrink: 0;
}

.form-check a {
  color: var(--terracotta);
  font-weight: 500;
}

.form-check a:hover {
  text-decoration: underline;
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-dark));
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(199,82,42,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(199,82,42,0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--ink-light);
}

.auth-footer a {
  color: var(--terracotta);
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--ink-light);
  opacity: 0.4;
  font-size: 0.78rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sand);
}

/* Publish page */
.publish-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 50px 24px 80px;
}

.publish-section h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.publish-section .publish-subtitle {
  font-size: 0.88rem;
  color: var(--ink-light);
  opacity: 0.6;
  margin-bottom: 36px;
}

.publish-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  border: 1px solid rgba(0,0,0,0.04);
}

.radio-group {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.radio-option {
  flex: 1;
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-option label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border: 2px solid var(--sand);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-light);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.radio-option input[type="radio"]:checked + label {
  border-color: var(--terracotta);
  background: rgba(199,82,42,0.04);
  color: var(--terracotta);
}

.radio-option label:hover {
  border-color: var(--terracotta-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Header auth buttons */
.header-auth {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-login {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.btn-login:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

.btn-register {
  font-size: 0.82rem;
  color: var(--white);
  padding: 6px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.btn-register:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

.btn-publish {
  font-size: 0.82rem;
  color: var(--white);
  padding: 6px 16px;
  background: var(--terracotta);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(199,82,42,0.3);
}

.btn-publish:hover {
  background: var(--terracotta-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(199,82,42,0.4);
}

@media (max-width: 768px) {
  .auth-card { padding: 32px 24px; }
  .publish-card { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .radio-group { flex-direction: column; gap: 10px; }
  .header-auth .btn-login,
  .header-auth .btn-register { display: none; }
}