/* ===== 基础重置 ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #faf8f5;
  --bg-alt: #f0ece6;
  --text: #2c2c2c;
  --text-light: #666;
  --accent: #8b5e3c;
  --accent-light: #c49a6c;
  --accent-bg: #f5efe8;
  --border: #e0dbd3;
  --white: #ffffff;
  --shadow: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.1);
  --radius: 12px;
  --serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}

.logo-bracket {
  color: var(--accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== 英雄区 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(139, 94, 60, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(196, 154, 108, 0.06) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--accent-light);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.title-bracket {
  color: var(--accent);
  font-weight: 400;
}

.hero-subtitle {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 0.3em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 480px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border: 2px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(139, 94, 60, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 0.8rem;
  opacity: 0.6;
}

.scroll-arrow {
  width: 1px;
  height: 24px;
  background: var(--text-light);
  position: relative;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ===== 通用 Section ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.section-desc {
  color: var(--text-light);
  margin-top: 12px;
}

/* ===== 关于 ===== */
.about {
  background: var(--bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.about-lead {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.6;
}

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

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
}

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.about-card h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

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

.about-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

/* ===== 栏目 ===== */
.columns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.column-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.column-card::before {
  content: attr(data-category);
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 10px;
  background: var(--accent-bg);
  color: var(--accent);
}

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

.card-emoji {
  font-size: 2rem;
  margin-bottom: 16px;
}

.column-card h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.card-type {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.column-card p:not(.card-type) {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-wordcount {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  background: var(--bg-alt);
  border-radius: 6px;
  color: var(--text-light);
}

/* ===== 编辑部 ===== */
.team {
  background: var(--bg-alt);
}

.team-table {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.team-row {
  display: flex;
  align-items: center;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.team-row:last-child {
  border-bottom: none;
}

.team-row:hover {
  background: var(--accent-bg);
}

.team-title {
  min-width: 130px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  flex-shrink: 0;
}

.team-name {
  font-size: 0.95rem;
  color: var(--text);
}

.team-name small {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-left: 4px;
}

/* ===== 投稿 ===== */




.submit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
  max-width: 860px;
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 22px;
  top: 48px;
  width: 1px;
  height: calc(100% - 16px);
  background: var(--border);
}

.step-num {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 44px;
}

.step-content h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.step-content p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.submit-rules {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.submit-rules h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.submit-rules ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.submit-rules li {
  font-size: 0.9rem;
  color: var(--text-light);
  padding-left: 16px;
  position: relative;
}

.submit-rules li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}

.footer-logo p {
  font-size: 0.85rem;
  font-weight: 400;
  margin-top: 4px;
  color: rgba(255,255,255,0.5);
}

.footer-info {
  text-align: right;
  font-size: 0.85rem;
  line-height: 2;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    padding: 32px 0;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .about-grid,
  .submit-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    justify-content: center;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  .columns-grid {
    grid-template-columns: 1fr;
  }

  .team-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 20px;
  }

  .team-title {
    min-width: auto;
    font-size: 0.78rem;
  }
}