/* 03_每日大赛作品投稿与海选中心 - 主样式表 */
:root {
  --primary: #7C3AED;
  --secondary: #EDE9FE;
  --bg: #FBFAFF;
  --card: #FFFFFF;
  --accent: #22C55E;
  --text: #1F1B2E;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,0.12);
  --font-title: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
}

/* 通用容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
}

/* 导航栏 */
.nav-header {
  background: var(--card);
  box-shadow: 0 2px 12px rgba(124,58,237,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--secondary);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

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

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* Hero区域 - 投稿工作台 */
.hero-workspace {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--bg) 100%);
  padding: 80px 0 60px;
  border-bottom: 3px solid var(--primary);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 24px;
  opacity: 0.85;
}

/* 拖拽上传区 */
.upload-zone {
  border: 3px dashed var(--primary);
  border-radius: var(--radius);
  padding: 50px 30px;
  text-align: center;
  background: rgba(124,58,237,0.03);
  transition: all 0.3s;
  animation: breathe 3s ease-in-out infinite;
  cursor: pointer;
}

.upload-zone:hover {
  background: rgba(124,58,237,0.08);
  border-color: var(--accent);
}

@keyframes breathe {
  0%, 100% { border-color: var(--primary); }
  50% { border-color: rgba(124,58,237,0.4); }
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.upload-text {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 8px;
}

.upload-hint {
  font-size: 0.85rem;
  color: #666;
}

/* 审核状态面板 */
.review-panel {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.review-panel h3 {
  font-family: var(--font-title);
  color: var(--primary);
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--secondary);
}

.stat-label {
  font-size: 0.9rem;
  color: #555;
}

.stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
}

/* 审核流程泳道 */
.swimlane-section {
  background: var(--card);
  padding: 50px 0;
}

.swimlane {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.swimlane-step {
  text-align: center;
  padding: 24px 12px;
  border-radius: var(--radius);
  background: var(--secondary);
  position: relative;
  transition: all 0.4s;
}

.swimlane-step.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(124,58,237,0.3);
}

.swimlane-step .step-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.swimlane-step .step-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.swimlane-step .step-desc {
  font-size: 0.78rem;
  margin-top: 6px;
  opacity: 0.8;
}

.swimlane-step::after {
  content: '→';
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--primary);
}

.swimlane-step:last-child::after {
  display: none;
}

/* 海选分组墙 */
.group-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  padding: 20px 0;
}

.group-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.group-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(124,58,237,0.18);
}

.group-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.group-card-body {
  padding: 20px;
}

.group-card-tag {
  display: inline-block;
  background: var(--secondary);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.group-card-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.group-card-desc {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.6;
}

/* 作品编号牌 */
.work-id-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--primary), #9333EA);
  color: #fff;
  padding: 6px 14px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
}

/* 投稿动态列表 */
.activity-list {
  list-style: none;
}

.activity-item {
  display: grid;
  grid-template-columns: 100px 1fr 120px;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--secondary);
  align-items: center;
}

.activity-id {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.activity-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.activity-status {
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 20px;
  text-align: center;
  font-weight: 600;
}

.status-pending { background: #FEF3C7; color: #92400E; }
.status-review { background: #DBEAFE; color: #1E40AF; }
.status-pass { background: #D1FAE5; color: #065F46; }
.status-modify { background: #FEE2E2; color: #991B1B; }
.status-shortlisted { background: var(--secondary); color: var(--primary); }

/* 投稿须知抽屉 */
.drawer-toggle {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
}

.drawer-toggle:hover {
  background: #6D28D9;
}

.drawer-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
  background: var(--card);
  border-radius: var(--radius);
  margin-top: 12px;
}

.drawer-content.open {
  max-height: 1000px;
  padding: 24px;
  box-shadow: var(--shadow);
}

/* 入围名单 */
.shortlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.shortlist-card {
  background: var(--card);
  border: 2px solid var(--secondary);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: border-color 0.3s;
}

.shortlist-card:hover {
  border-color: var(--primary);
}

/* 按钮 */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #6D28D9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124,58,237,0.3);
}

.btn-secondary {
  display: inline-block;
  background: var(--secondary);
  color: var(--primary);
  padding: 12px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}

/* 面包屑 */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.88rem;
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb span {
  color: #888;
  margin: 0 8px;
}

/* FAQ */
.faq-section {
  padding: 40px 0;
}

.faq-item {
  background: var(--card);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.faq-question {
  padding: 18px 24px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

.faq-question:hover {
  background: var(--secondary);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  line-height: 1.8;
  font-size: 0.95rem;
  color: #444;
}

.faq-answer.open {
  max-height: 500px;
  padding: 0 24px 18px;
}

/* 页脚 */
.site-footer {
  background: var(--text);
  color: #ccc;
  padding: 50px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: #fff;
  font-family: var(--font-title);
  margin-bottom: 14px;
  font-size: 1rem;
}

.footer-col a {
  display: block;
  color: #aaa;
  text-decoration: none;
  font-size: 0.88rem;
  padding: 4px 0;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: #888;
}

/* 内页通用 */
.page-header {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--bg) 100%);
  padding: 50px 0 40px;
  border-bottom: 2px solid var(--primary);
}

.page-header h1 {
  font-family: var(--font-title);
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.05rem;
  color: #555;
  max-width: 700px;
}

.page-content {
  padding: 40px 0;
}

.content-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

/* 搜索页 */
.search-input-wrap {
  position: relative;
  max-width: 600px;
  margin: 0 auto 30px;
}

.search-input {
  width: 100%;
  padding: 16px 24px;
  border: 2px solid var(--primary);
  border-radius: 50px;
  font-size: 1rem;
  outline: none;
  transition: box-shadow 0.3s;
}

.search-input:focus {
  box-shadow: 0 0 0 4px rgba(124,58,237,0.15);
}

.search-results {
  list-style: none;
}

.search-result-item {
  padding: 20px;
  background: var(--card);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.search-result-item h3 a {
  color: var(--primary);
  text-decoration: none;
  font-size: 1.1rem;
}

.search-result-item p {
  color: #555;
  font-size: 0.9rem;
  margin-top: 6px;
}

.search-result-item .result-path {
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 4px;
}

/* 404页面 */
.error-page {
  text-align: center;
  padding: 100px 20px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 8rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.3;
}

.error-title {
  font-family: var(--font-title);
  font-size: 2rem;
  margin: 20px 0;
  color: var(--text);
}

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.data-table th {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-size: 0.9rem;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--secondary);
  font-size: 0.9rem;
}

.data-table tr:hover td {
  background: var(--secondary);
}

/* 倒计时 */
.countdown-bar {
  background: linear-gradient(90deg, var(--primary), #9333EA);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-weight: 600;
}

.countdown-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
}

/* 响应式 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--card);
    padding: 20px;
    box-shadow: var(--shadow);
    gap: 12px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .swimlane {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .swimlane-step::after {
    content: '↓';
    position: static;
    display: block;
    margin-top: 8px;
  }

  .swimlane-step:last-child::after {
    display: none;
  }

  .group-wall {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .activity-item {
    grid-template-columns: 80px 1fr;
    gap: 10px;
  }

  .activity-status {
    grid-column: 1 / -1;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .shortlist-grid {
    grid-template-columns: 1fr;
  }

  .countdown-bar {
    flex-direction: column;
    gap: 8px;
  }
}

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

  .hero-title {
    font-size: 1.5rem;
  }

  .upload-zone {
    padding: 30px 16px;
  }
}

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.badge-pop {
  animation: popIn 0.4s ease forwards;
}

/* 投稿表单 */
.submit-form {
  display: grid;
  gap: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--secondary);
  border-radius: 10px;
  font-size: 0.95rem;
  transition: border-color 0.3s;
  font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  outline: none;
}

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

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* 关联链接 */
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.related-links a {
  background: var(--secondary);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.related-links a:hover {
  background: var(--primary);
  color: #fff;
}

/* 规范列表 */
.spec-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.spec-list li {
  padding: 14px 18px;
  background: var(--secondary);
  border-radius: 10px;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.spec-list li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.75rem;
  flex-shrink: 0;
}