:root {
  --primary: #16a34a;
  --accent: #84cc16;
  --bg: #f7fee7;
  --text: #1a2e05;
  --border: #d9f99d;
  --white: #ffffff;
  --card-bg: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.navbar {
  background-color: var(--bg) !important;
  border-bottom: 2px solid var(--border);
  padding: 16px 0;
}

.navbar-brand {
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--primary) !important;
  letter-spacing: -0.02em;
}

.navbar-brand i {
  color: var(--primary);
}

.navbar-nav .nav-link {
  color: var(--text);
  font-weight: 500;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
  transition: color 0.2s;
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
}

.navbar-toggler {
  border: 2px solid var(--primary);
  border-radius: 0;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.75)), url('{随机图片}') center/cover no-repeat;
  color: #ffffff;
  border-bottom: 3px solid var(--accent);
}

.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-shadow: 2px 4px 12px rgba(0,0,0,0.5);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.35rem;
  font-weight: 300;
  max-width: 680px;
  margin: 0 auto 2rem;
  opacity: 0.95;
}

.hero .btn {
  background-color: var(--primary);
  color: white;
  border: 2px solid white;
  border-radius: 0;
  padding: 12px 36px;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all 0.3s;
}

.hero .btn:hover {
  background-color: var(--accent);
  transform: scale(1.04);
  border-color: var(--accent);
}

.section {
  padding: 90px 0;
}

.section-head {
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-head h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 60px;
  height: 4px;
  background-color: var(--accent);
}

.section-head p {
  color: #4d7c0f;
  font-size: 1.05rem;
  margin-top: 12px;
}

.intro-text {
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
  font-size: 1.08rem;
  color: #365314;
}

.intro-text p {
  margin-bottom: 1.4rem;
}

.intro-text strong {
  color: var(--primary);
}

.table-wrap {
  border: 2px solid var(--border);
  background-color: var(--card-bg);
  overflow-x: auto;
}

.table {
  margin-bottom: 0;
  min-width: 600px;
}

.table th {
  background-color: var(--bg);
  border-bottom: 2px solid var(--border);
  padding: 16px 20px;
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
  text-align: center;
}

.table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  text-align: center;
  vertical-align: middle;
}

.table tr:last-child td {
  border-bottom: none;
}

.table .fa-check {
  color: var(--primary);
  font-size: 1.2rem;
}

.table .fa-xmark {
  color: #a8a29e;
  font-size: 1.2rem;
}

.faq-item {
  border: 2px solid var(--border);
  background-color: var(--card-bg);
  margin-bottom: 18px;
  padding: 28px 30px;
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-item h4 {
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-item h4 i {
  color: var(--primary);
}

.faq-item p {
  color: #3f6212;
  margin: 0;
  padding-left: 30px;
}

.feature-card {
  background-color: var(--card-bg);
  border: 2px solid var(--border);
  padding: 30px 24px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  height: 100%;
}

.feature-card:hover {
  transform: scale(1.03);
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(22, 163, 74, 0.08);
}

.feature-card i {
  font-size: 2.6rem;
  color: var(--primary);
  margin-bottom: 18px;
}

.feature-card h5 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: #4d7c0f;
  font-size: 0.95rem;
  margin-bottom: 0;
}

.steps-wrap {
  counter-reset: step;
}

.step-item {
  position: relative;
  padding: 24px 30px 24px 90px;
  border: 2px solid var(--border);
  background-color: var(--card-bg);
  margin-bottom: 20px;
}

.step-item::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Courier New', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  border: 2px solid var(--primary);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.step-item h5 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step-item p {
  color: #3f6212;
  margin: 0;
}

.cta-section {
  background-color: var(--primary);
  color: white;
  text-align: center;
  padding: 90px 0;
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 30px;
}

.cta-section .btn {
  background-color: white;
  color: var(--primary);
  border: 2px solid white;
  border-radius: 0;
  padding: 12px 40px;
  font-weight: 800;
  font-size: 1.05rem;
  transition: all 0.3s;
}

.cta-section .btn:hover {
  background-color: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: scale(1.04);
}

.friends-links {
  padding: 50px 0;
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  background-color: var(--card-bg);
}

.friends-links h5 {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.friends-links a {
  color: var(--text);
  text-decoration: none;
  margin-right: 18px;
  transition: color 0.2s;
}

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

.footer {
  background-color: var(--bg);
  padding: 36px 0 30px;
  text-align: center;
  border-top: 2px solid var(--border);
}

.footer a {
  color: var(--text);
  text-decoration: none;
  margin: 0 8px;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.footer .brand {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.footer p {
  color: #4d7c0f;
  font-size: 0.9rem;
  margin-top: 14px;
  margin-bottom: 0;
}

.mono {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--primary);
}

#backToTop {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border: 2px solid var(--primary);
  background-color: var(--bg);
  color: var(--primary);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  border-radius: 0;
}

#backToTop:hover {
  background-color: var(--primary);
  color: white;
}

.img-lazy {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.img-lazy.loaded {
  opacity: 1;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1.1rem;
  }
  .section {
    padding: 60px 0;
  }
  .section-head h2 {
    font-size: 1.8rem;
  }
  .step-item {
    padding: 20px 20px 20px 80px;
  }
  .step-item::before {
    width: 40px;
    height: 40px;
    font-size: 1.4rem;
    left: 18px;
  }
  .faq-item {
    padding: 20px 18px;
  }
  .faq-item p {
    padding-left: 0;
    padding-top: 8px;
  }
  .cta-section h2 {
    font-size: 1.8rem;
  }
  #backToTop {
    bottom: 20px;
    right: 20px;
  }
}

/* --- 子页面追加 --- */
/* 关于页面专属微调 */
    .about-hero {
      background: linear-gradient(135deg, rgba(22,163,74,.08) 0%, rgba(132,204,22,.12) 100%);
      border-bottom: 1px solid var(--border);
      padding: 80px 0 60px;
    }
.about-hero h1 {
      font-weight: 900;
      letter-spacing: -0.02em;
    }
.section-alt {
      background: rgba(217,249,157,.15);
    }
.about-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
      height: 100%;
      transition: box-shadow .3s ease;
    }
.about-card:hover {
      box-shadow: 0 8px 30px rgba(22,163,74,.08);
    }
.about-card .icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      background: rgba(22,163,74,.1);
      color: var(--primary);
    }
.about-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text);
    }
.about-card p {
      font-size: .95rem;
      line-height: 1.7;
      color: var(--text);
      opacity: .85;
      margin-bottom: 0;
    }
.timeline-item {
      position: relative;
      padding-left: 36px;
      padding-bottom: 36px;
    }
.timeline-item:before {
      content: '';
      position: absolute;
      left: 10px;
      top: 6px;
      width: 2px;
      height: 100%;
      background: var(--border);
    }
.timeline-item:last-child:before {
      display: none;
    }
.timeline-dot {
      position: absolute;
      left: 0;
      top: 4px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--primary);
      border: 3px solid var(--white);
      box-shadow: 0 0 0 2px var(--primary);
    }
.timeline-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text);
    }
.timeline-item .date {
      font-size: .82rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
      display: block;
    }
.timeline-item p {
      font-size: .92rem;
      line-height: 1.7;
      color: var(--text);
      opacity: .8;
      margin-bottom: 0;
    }
.values-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
.values-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 18px 0;
      border-bottom: 1px dashed var(--border);
    }
.values-list li:last-child {
      border-bottom: none;
    }
.values-list .value-icon {
      width: 42px;
      height: 42px;
      min-width: 42px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(22,163,74,.1);
      color: var(--primary);
      font-size: 17px;
    }
.values-list .value-content h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text);
    }
.values-list .value-content p {
      font-size: .9rem;
      line-height: 1.6;
      color: var(--text);
      opacity: .78;
      margin-bottom: 0;
    }
.stats-row {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      margin-top: 24px;
    }
.stat-item {
      flex: 1;
      min-width: 140px;
      text-align: center;
      padding: 24px 16px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 14px;
    }
.stat-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.2;
    }
.stat-label {
      font-size: .85rem;
      color: var(--text);
      opacity: .7;
      margin-top: 6px;
    }
.about-hero {
        padding: 50px 0 40px;
      }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .disclaimer-section { padding: 3rem 0; }
.disclaimer-section h2 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin-top: 2.5rem; margin-bottom: 1rem; border-left: 4px solid var(--accent); padding-left: 1rem; }
.disclaimer-section h3 { font-size: 1.2rem; font-weight: 600; color: var(--text); margin-top: 1.8rem; margin-bottom: .8rem; }
.disclaimer-section p { line-height: 1.8; color: var(--text); margin-bottom: 1rem; }
.disclaimer-section ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.disclaimer-section ul li { margin-bottom: .5rem; line-height: 1.7; }
.disclaimer-box { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; margin-bottom: 2rem; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.disclaimer-box .highlight { background: rgba(132, 204, 22, .08); border-left: 4px solid var(--accent); padding: 1rem 1.2rem; border-radius: 0 8px 8px 0; margin: 1.2rem 0; }
.update-date { display: inline-block; background: var(--primary); color: var(--white); padding: .3rem 1rem; border-radius: 20px; font-size: .85rem; font-weight: 600; margin-bottom: 1.5rem; }
.nav-link.active { color: var(--primary) !important; font-weight: 700; }

/* --- 子页面追加 --- */
/* 页面专属少量样式，补充站点CSS */
        .privacy-content {
            max-width: 900px;
            margin: 0 auto;
        }
.privacy-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
        }
.privacy-section h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--border);
        }
.privacy-section h3 {
            color: var(--text);
            font-weight: 600;
            font-size: 1.15rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }
.privacy-section p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
.privacy-section ul {
            color: var(--text);
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.privacy-section ul li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }
.privacy-update {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1rem 1.5rem;
            color: var(--text);
            font-size: 0.95rem;
            margin-top: 2rem;
        }
/* 覆盖Bootstrap导航样式 */
        .navbar {
            background: var(--white) !important;
            border-bottom: 1px solid var(--border);
        }
.navbar .nav-link {
            color: var(--text) !important;
        }
.navbar .nav-link:hover {
            color: var(--primary) !important;
        }
.navbar-toggler-icon {
            filter: invert(0.4);
        }
/* 覆盖Bootstrap按钮样式 */
        .btn-primary {
            background: var(--primary) !important;
            border-color: var(--primary) !important;
        }

/* --- 子页面追加 --- */
.rank-header {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
        }
.rank-header h1 {
            font-weight: 900;
            font-size: 2.8rem;
            text-shadow: 0 2px 8px rgba(0,0,0,0.15);
        }
.rank-header p {
            font-size: 1.15rem;
            opacity: 0.95;
            max-width: 700px;
            margin: 12px auto 0;
        }
.rank-tabs {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
            position: sticky;
            top: 76px;
            z-index: 99;
            box-shadow: 0 2px 12px rgba(26, 46, 5, 0.06);
        }
.rank-tabs .btn-rank {
            background: var(--bg);
            color: var(--text);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            margin: 0 5px;
            transition: all 0.25s;
        }
.rank-tabs .btn-rank:hover,
        .rank-tabs .btn-rank.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
.rank-section {
            padding: 48px 0;
        }
.rank-section h2 {
            font-weight: 800;
            color: var(--text);
            margin-bottom: 24px;
            font-size: 1.8rem;
            position: relative;
            display: inline-block;
        }
.rank-section h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 50px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
        }
.rank-list {
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(26, 46, 5, 0.05);
            margin-bottom: 32px;
        }
.rank-item {
            display: flex;
            align-items: center;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
            cursor: pointer;
            position: relative;
        }
.rank-item:last-child {
            border-bottom: none;
        }
.rank-item:hover {
            background: var(--bg);
        }
.rank-num {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            background: var(--bg);
            color: var(--primary);
            margin-right: 20px;
            flex-shrink: 0;
        }
.rank-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: var(--white);
        }
.rank-item:nth-child(2) .rank-num {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            color: var(--white);
        }
.rank-item:nth-child(3) .rank-num {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: var(--white);
        }
.rank-info {
            flex: 1;
            min-width: 0;
        }
.rank-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
.rank-meta {
            font-size: 0.85rem;
            color: rgba(26, 46, 5, 0.6);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
.rank-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
.rank-tag {
            display: inline-block;
            background: var(--bg);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-right: 8px;
        }
.rank-tag.hot {
            background: rgba(239, 68, 68, 0.12);
            color: #dc2626;
        }
.rank-tag.new {
            background: rgba(22, 163, 74, 0.12);
            color: var(--primary);
        }
.rank-tag.up {
            background: rgba(132, 204, 22, 0.12);
            color: #4d7c0f;
        }
.rank-stats {
            font-size: 0.9rem;
            color: rgba(26, 46, 5, 0.7);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
            margin-left: 16px;
        }
.rank-stats i {
            color: var(--primary);
        }
.rank-badge {
            background: rgba(22, 163, 74, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            white-space: nowrap;
        }
.rank-header {
                padding: 40px 0 60px;
            }
.rank-header h1 {
                font-size: 2rem;
            }
.rank-tabs .btn-rank {
                padding: 6px 14px;
                font-size: 0.82rem;
                margin: 0 3px;
            }
.rank-item {
                padding: 14px 16px;
                flex-wrap: wrap;
            }
.rank-num {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                margin-right: 14px;
            }
.rank-stats {
                width: 100%;
                margin-left: 54px;
                margin-top: 8px;
                gap: 10px;
            }