:root {
      --primary: #059669;
      --accent: #14b8a6;
      --bg: #f0fdfa;
      --text: #134e4a;
      --light-line: rgba(5, 150, 105, 0.15);
      --shadow-sm: 0 4px 12px rgba(4, 120, 87, 0.06);
      --shadow-hover: 0 12px 28px rgba(4, 120, 87, 0.14);
      --radius: 8px;
    }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', sans-serif;
      letter-spacing: -0.01em;
    }
    h1,h2,h3,h4,.navbar-brand {
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #0b3b36;
    }
    .mono-num {
      font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
      font-weight: 600;
      letter-spacing: -0.03em;
    }
    /* 导航 */
    .navbar {
      background-color: rgba(240, 253, 250, 0.8);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--light-line);
      padding: 0.8rem 0;
    }
    .navbar-brand {
      font-size: 1.5rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }
    .navbar-brand i {
      color: var(--accent);
      font-size: 1.8rem;
    }
    .nav-link {
      color: var(--text);
      font-weight: 500;
      margin: 0 0.6rem;
      font-size: 0.98rem;
    }
    .nav-link:hover {
      color: var(--primary);
    }
    .btn-outline-accent {
      border: 1px solid var(--primary);
      color: var(--primary);
      font-weight: 600;
    }
    .btn-outline-accent:hover {
      background: var(--primary);
      color: white;
    }

    /* Hero 大数字 */
    .hero-section {
      padding: 4.5rem 0 3rem;
      background: 
        radial-gradient(circle at 10% 30%, rgba(20, 184, 166, 0.18) 0%, transparent 35%),
        radial-gradient(circle at 90% 70%, rgba(5, 150, 105, 0.15) 0%, transparent 40%),
        var(--bg);
      position: relative;
    }
    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 2.5rem 3rem;
      margin-bottom: 2.2rem;
    }
    .stat-item .mono-num {
      font-size: 3.2rem;
      line-height: 1;
      color: var(--primary);
    }
    .stat-item span {
      font-size: 0.9rem;
      color: #2c7a6f;
      font-weight: 500;
    }
    .hero-title {
      font-size: calc(2.2rem + 1vw);
      font-weight: 900;
      margin-bottom: 1rem;
      line-height: 1.15;
    }
    .hero-sub {
      font-size: 1.15rem;
      max-width: 560px;
      color: #1d5e57;
    }

    /* 卡片网格 */
    .card-grid-section {
      padding: 2.5rem 0 3rem;
    }
    .feature-card {
      background: white;
      border: 1px solid rgba(5, 150, 105, 0.1);
      border-radius: var(--radius);
      padding: 1.5rem 1.3rem;
      height: 100%;
      transition: transform 0.2s ease, box-shadow 0.25s ease;
      box-shadow: var(--shadow-sm);
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .feature-icon {
      color: var(--primary);
      font-size: 2rem;
      margin-bottom: 0.8rem;
    }
    .feature-card h4 {
      font-size: 1.2rem;
      margin-bottom: 0.4rem;
      font-weight: 700;
    }
    .feature-card p {
      font-size: 0.92rem;
      color: #3c736b;
      margin-bottom: 0;
    }

    /* FAQ */
    .faq-section {
      padding: 3rem 0 2rem;
    }
    .section-title {
      font-weight: 800;
      margin-bottom: 1.5rem;
      position: relative;
    }
    .section-title i {
      color: var(--primary);
      margin-right: 0.5rem;
    }
    .accordion-item {
      background: transparent;
      border: 1px solid var(--light-line);
      margin-bottom: 0.8rem;
      border-radius: var(--radius);
      overflow: hidden;
    }
    .accordion-button {
      background: white;
      font-weight: 600;
      color: var(--text);
      padding: 1.1rem 1.2rem;
      box-shadow: none;
    }
    .accordion-button:not(.collapsed) {
      background: #e0f7f2;
      color: #0b4f43;
    }
    .accordion-button:focus {
      box-shadow: none;
    }
    .accordion-body {
      background: #f8fffd;
      color: #17594f;
      font-size: 0.95rem;
    }

    /* 步骤条 (介绍) */
    .steps-section {
      padding: 2.5rem 0 3.5rem;
    }
    .step-item {
      position: relative;
      padding-left: 3rem;
      margin-bottom: 2rem;
    }
    .step-number {
      position: absolute;
      left: 0;
      top: 0;
      width: 2.2rem;
      height: 2.2rem;
      background: var(--primary);
      color: white;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 1rem;
      box-shadow: 0 4px 8px rgba(5, 150, 105, 0.2);
    }
    .step-content h5 {
      font-weight: 700;
      margin-bottom: 0.2rem;
    }
    .step-content p {
      color: #2e6860;
      font-size: 0.96rem;
    }

    /* CTA */
    .cta-banner {
      background: linear-gradient(120deg, #059669, #14b8a6);
      padding: 3rem 2rem;
      border-radius: 16px;
      color: white;
      text-align: center;
      margin: 2rem 0;
    }
    .cta-banner h2 {
      color: white;
      font-weight: 800;
      letter-spacing: -0.02em;
    }
    .btn-light-custom {
      background: white;
      color: #0b6b55;
      font-weight: 700;
      border: none;
      padding: 0.7rem 1.6rem;
      border-radius: 40px;
      transition: 0.2s;
    }
    .btn-light-custom:hover {
      background: #e0f2ed;
      color: #0b5c4a;
    }

    /* 友链 */
    .friend-links {
      border-top: 1px solid var(--light-line);
      padding: 1.8rem 0 1.2rem;
      margin-top: 2rem;
      font-size: 0.95rem;
    }
    .friend-links a {
      color: var(--primary);
      text-decoration: none;
      font-weight: 500;
      margin: 0 0.5rem;
    }

    /* 页脚 */
    footer {
      padding: 2rem 0;
      color: #3f7e73;
      border-top: 1px solid var(--light-line);
      font-size: 0.9rem;
    }

    /* 滚动动效 */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
    }
    .reveal.in-view {
      opacity: 1;
      transform: translateY(0);
    }
    img.lazy {
      background: #d5f3ec;
      opacity: 0.8;
      transition: opacity 0.4s;
    }
    img.lazy.loaded {
      opacity: 1;
    }

    /* 小字号高密度 */
    .compact-text {
      font-size: 0.93rem;
      line-height: 1.5;
    }

    @media (max-width: 768px) {
      .hero-stats {
        gap: 1.5rem;
      }
      .stat-item .mono-num {
        font-size: 2.5rem;
      }
      .navbar-collapse {
        background: rgba(240, 253, 250, 0.95);
        padding: 0.8rem 1rem;
        border-radius: 12px;
        margin-top: 0.5rem;
      }
    }

/* --- 子页面追加 --- */
/* 本页专属少量样式 */
        .about-hero {
            background: linear-gradient(135deg, var(--bg) 0%, #d1fae5 100%);
            padding: 5rem 0 3rem;
            border-bottom: 1px solid var(--light-line);
        }
.about-section {
            padding: 3.5rem 0;
            border-bottom: 1px solid var(--light-line);
        }
.about-section:last-of-type {
            border-bottom: none;
        }
.value-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
.stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            font-family: 'Inter', sans-serif;
        }
.about-quote {
            border-left: 4px solid var(--accent);
            padding: 1rem 1.5rem;
            background: rgba(20, 184, 166, 0.08);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.5rem 0;
            font-style: italic;
        }
.timeline-item {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px var(--light-line);
        }

/* --- 子页面追加 --- */
.archive-hero {
            background: linear-gradient(135deg, rgba(5,150,105,0.08) 0%, rgba(20,184,166,0.05) 100%);
            padding: 60px 0 40px;
            border-bottom: 1px solid var(--light-line);
        }
.archive-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
            padding: 40px 0;
        }
.vlog-card {
            background: var(--bg);
            border: 1px solid var(--light-line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }
.vlog-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
.vlog-cover {
            height: 200px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
.vlog-cover i {
            font-size: 48px;
            color: rgba(255,255,255,0.9);
        }
.vlog-cover .play-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(255,255,255,0.9);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
.vlog-content {
            padding: 20px;
        }
.vlog-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
.tag-daily { background: rgba(5,150,105,0.1); color: var(--primary); }
.tag-food { background: rgba(245,158,11,0.1); color: #d97706; }
.tag-travel { background: rgba(59,130,246,0.1); color: #2563eb; }
.tag-share { background: rgba(139,92,246,0.1); color: #7c3aed; }
.vlog-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
.vlog-meta {
            font-size: 13px;
            color: rgba(19,78,74,0.6);
            display: flex;
            gap: 15px;
            align-items: center;
        }
.vlog-meta i {
            margin-right: 4px;
            font-size: 12px;
        }
.archive-filter {
            padding: 30px 0 0;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }
.filter-btn {
            padding: 8px 20px;
            border-radius: 30px;
            border: 1px solid var(--light-line);
            background: transparent;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }
.filter-btn:hover,
        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
.archive-stats {
            padding: 40px 0 0;
            text-align: center;
        }
.stats-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
.stats-label {
            font-size: 14px;
            color: rgba(19,78,74,0.6);
            margin-top: 8px;
        }
.archive-section-title {
            padding-top: 60px;
        }
.pagination-container {
            display: flex;
            justify-content: center;
            gap: 8px;
            padding: 40px 0 60px;
        }
.page-link {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius);
            border: 1px solid var(--light-line);
            color: var(--text);
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            background: var(--bg);
        }
.page-link:hover,
        .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
.archive-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
.archive-hero {
                padding: 40px 0 30px;
            }
.stats-number {
                font-size: 32px;
            }

/* --- 子页面追加 --- */
/* 确保卡片与本站配色一致 (如果站点样式表未覆盖 Bootstrap) */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
            background: var(--bg);
            color: var(--text);
            border-color: var(--light-line);
        }
.form-control, .form-select, .form-label, .input-group-text {
            background: rgba(255, 255, 255, 0.7);
            color: var(--text);
            border-color: var(--light-line);
        }
.form-control:focus {
            background: white;
            color: var(--text);
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(5, 150, 105, 0.1);
        }
.list-group-item {
            background: transparent;
            color: var(--text);
            border-color: var(--light-line);
        }
.accordion-button, .accordion-body {
            background: var(--bg);
            color: var(--text);
        }
/* 小标题强调色 */
        .free-title-accent {
            color: var(--primary);
        }
/* 领取卡片微调 */
        .freebie-card {
            border: 1px solid var(--light-line);
            border-radius: var(--radius);
            background: var(--bg);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease;
            height: 100%;
        }
.freebie-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
.freebie-icon {
            font-size: 2rem;
            color: var(--primary);
        }
.free-badge {
            background: rgba(5, 150, 105, 0.1);
            color: var(--primary);
            padding: .35rem .75rem;
            border-radius: 30px;
            font-size: .8rem;
            font-weight: 500;
        }
.step-arrow {
            color: var(--accent);
            font-weight: 600;
        }
/* 确保导航 active 高亮 (本页) */
        .navbar .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

/* --- 子页面追加 --- */
/* 覆盖 Bootstrap 默认白底黑字，适配本站深色绿系配色 */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
      background: var(--card-bg, var(--bg));
      color: var(--text);
      border-color: var(--light-line);
    }
.form-control, .form-select {
      background: rgba(255, 255, 255, 0.6);
      color: var(--text);
      border-color: var(--light-line);
    }
.form-control::placeholder {
      color: rgba(19, 78, 74, 0.45);
    }
.accordion-item, .accordion-button, .accordion-body {
      background: var(--bg);
      color: var(--text);
      border-color: var(--light-line);
    }
/* 本页小卡片增强 */
    .legal-card {
      background: var(--bg);
      border: 1px solid var(--light-line);
      border-radius: var(--radius);
      padding: 1.5rem 1.75rem;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }
.legal-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
.legal-card i {
      color: var(--primary);
      margin-right: 0.5rem;
    }
.legal-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 0.75rem;
    }
.legal-card p, .legal-card li {
      font-size: 0.95rem;
      line-height: 1.7;
      color: rgba(19, 78, 74, 0.85);
    }
.divider {
      border-top: 1px solid var(--light-line);
      margin: 2.5rem 0;
    }

/* --- 子页面追加 --- */
/* 确保隐私政策页排版干净，无 Bootstrap 白底干扰 */
    .privacy-hero {
      background: var(--bg);
      padding: 3rem 0 2rem;
      border-bottom: 1px solid var(--light-line);
    }
.privacy-hero h1 {
      color: var(--text);
      font-weight: 800;
      letter-spacing: -0.02em;
    }
.privacy-hero .lead {
      color: var(--text);
      opacity: 0.85;
      max-width: 720px;
    }
.privacy-section {
      padding: 2.5rem 0 1.5rem;
    }
.privacy-section h2 {
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--primary);
      border-left: 4px solid var(--accent);
      padding-left: 0.9rem;
      margin-bottom: 1.2rem;
    }
.privacy-section h3 {
      font-weight: 600;
      font-size: 1.15rem;
      color: var(--text);
      margin-top: 1.4rem;
      margin-bottom: 0.5rem;
    }
.privacy-section p, .privacy-section li {
      color: var(--text);
      opacity: 0.92;
      line-height: 1.7;
    }
.privacy-section ul {
      padding-left: 1.2rem;
    }
.privacy-section li {
      margin-bottom: 0.45rem;
    }
.privacy-card {
      background: rgba(255,255,255,0.5);
      backdrop-filter: blur(2px);
      border: 1px solid var(--light-line);
      border-radius: var(--radius);
      padding: 1.5rem 1.5rem 1.2rem;
      box-shadow: var(--shadow-sm);
      margin-bottom: 1.2rem;
    }
.privacy-card p:last-child {
      margin-bottom: 0;
    }
.footer-privacy-note {
      font-size: 0.85rem;
      opacity: 0.75;
    }
/* 确保链接颜色与站点一致 */
    .privacy-section a {
      color: var(--primary);
      text-decoration: underline;
      text-underline-offset: 2px;
    }
.privacy-section a:hover {
      color: var(--accent);
    }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }
