:root {
  --primary: #16a34a;
  --accent: #84cc16;
  --bg: #f7fee7;
  --text: #1a2e05;
  --black: #0a0f00;
  --white: #ffffff;
  --border-w: 3px;
  --shadow: 8px 8px 0px 0px rgba(26,46,5,1);
  --shadow-sm: 4px 4px 0px 0px rgba(26,46,5,1);
}

* { border-radius: 0 !important; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
}

h2 {
  font-size: 2.2rem;
  text-transform: uppercase;
  border-left: 8px solid var(--primary);
  padding-left: 16px;
  margin-bottom: 2rem;
}

a { color: var(--primary); text-decoration: none; font-weight: 600; }
a:hover { color: var(--accent); }

.btn {
  border: var(--border-w) solid var(--black);
  box-shadow: var(--shadow-sm);
  font-weight: 800;
  padding: 10px 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
  position: relative;
  overflow: hidden;
  background: var(--primary);
  color: #fff;
}
.btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px 0px rgba(26,46,5,1);
  color: #fff;
  background: #15803d;
}
.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shine 2.5s infinite;
}
@keyframes shine {
  0% { left: -100%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

/* Navbar */
.navbar {
  background: rgba(247, 254, 231, 0.92);
  border-bottom: var(--border-w) solid var(--black);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  padding: 12px 0;
}
.navbar.scrolled {
  background: rgba(247, 254, 231, 0.75);
  box-shadow: 0 4px 20px rgba(26,46,5,0.08);
}
.navbar-brand {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text) !important;
  letter-spacing: -0.02em;
  border: var(--border-w) solid var(--black);
  padding: 4px 14px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  font-family: 'Inter', sans-serif;
}
.navbar-brand i {
  color: var(--primary);
}
.nav-link {
  font-weight: 700;
  color: var(--text) !important;
  margin: 0 8px;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.03em;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { border-bottom-color: var(--primary); }
.navbar-toggler {
  border: var(--border-w) solid var(--black);
  box-shadow: var(--shadow-sm);
}

/* Hero */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(rgba(0,0,0,0.72), rgba(0,0,0,0.78)), url('{随机图片}') center/cover no-repeat;
  border-bottom: var(--border-w) solid var(--black);
  padding: 80px 0;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 {
  font-size: 3.8rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 6px 6px 0 var(--primary);
  letter-spacing: -0.03em;
  font-family: 'Inter', 'PingFang SC', sans-serif;
  margin-bottom: 16px;
}
.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.15rem;
  max-width: 720px;
  margin: 0 auto 32px;
  font-weight: 400;
}
.hero .badge-hero {
  display: inline-block;
  background: var(--accent);
  color: var(--black);
  border: var(--border-w) solid var(--black);
  padding: 6px 16px;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 20px;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.4);
}

/* Stats */
.stats-section {
  padding: 60px 0;
  border-bottom: var(--border-w) solid var(--black);
}
.stat-block {
  background: var(--white);
  border: var(--border-w) solid var(--black);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  text-align: center;
  height: 100%;
  transition: transform 0.15s;
}
.stat-block:hover { transform: translate(-2px, -2px); }
.stat-num {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
  font-family: 'Inter', sans-serif;
}
.stat-label {
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  font-size: 13px;
  margin-top: 6px;
}

/* Steps */
.steps-section {
  padding: 60px 0;
  border-bottom: var(--border-w) solid var(--black);
}
.step-card {
  position: relative;
  background: var(--white);
  border: var(--border-w) solid var(--black);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.step-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
  -webkit-text-stroke: 2px var(--black);
}
.step-title {
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* Features Bento */
.features-section {
  padding: 60px 0;
  border-bottom: var(--border-w) solid var(--black);
}
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.bento-item {
  background: var(--white);
  border: var(--border-w) solid var(--black);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.bento-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0px 0px rgba(26,46,5,1);
}
.bento-item.large { grid-column: span 2; grid-row: span 2; }
.bento-item.medium { grid-column: span 2; }
.bento-item.small { grid-column: span 1; }
.bento-item .icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
  display: inline-block;
  border: 3px solid var(--black);
  padding: 8px;
  background: var(--bg);
}
.bento-item h3 {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.bento-item p { font-size: 13px; color: #1a2e05cc; }

/* FAQ */
.faq-section {
  padding: 60px 0;
  border-bottom: var(--border-w) solid var(--black);
}
.accordion-item {
  background: var(--white);
  border: var(--border-w) solid var(--black);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.accordion-button {
  font-weight: 800;
  font-size: 1rem;
  padding: 16px 20px;
  background: var(--white);
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.accordion-button:not(.collapsed) {
  background: var(--primary);
  color: #fff;
  box-shadow: none;
}
.accordion-button:focus { box-shadow: none; }
.accordion-body {
  padding: 20px;
  border-top: var(--border-w) solid var(--black);
  font-size: 14px;
}

/* CTA */
.cta-section {
  padding: 70px 0;
  background: var(--primary);
  border-bottom: var(--border-w) solid var(--black);
}
.cta-section h2 {
  color: #fff;
  border-left-color: var(--accent);
}
.cta-section .btn {
  background: var(--black);
  border-color: var(--black);
  color: var(--accent);
  font-size: 1.1rem;
  padding: 14px 40px;
}

/* Friend links */
.friend-links {
  background: var(--bg);
  padding: 40px 0;
  border-bottom: var(--border-w) solid var(--black);
}
.friend-links h3 {
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  border-left: 5px solid var(--primary);
  padding-left: 12px;
  margin-bottom: 16px;
}

/* Footer */
footer {
  background: var(--black);
  color: #f0fdf4;
  padding: 40px 0;
  border-top: 6px solid var(--primary);
}
footer a { color: var(--accent); }
footer .footer-brand {
  font-size: 1.6rem;
  font-weight: 900;
  color: #fff;
}

/* Responsive */
@media (max-width: 992px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-item.large { grid-column: span 2; }
  .hero h1 { font-size: 2.6rem; }
}
@media (max-width: 576px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-item.large, .bento-item.medium, .bento-item.small { grid-column: span 1; }
  .hero h1 { font-size: 2rem; }
  .stat-num { font-size: 2.4rem; }
  h2 { font-size: 1.7rem; }
}

/* --- 子页面追加 --- */
.about-hero {
            background: var(--bg);
            border-bottom: var(--border-w) solid var(--black);
            padding: 80px 0 60px;
        }
.about-hero h1 {
            font-weight: 900;
            font-size: 2.8rem;
            color: var(--black);
            text-shadow: 4px 4px 0px var(--accent);
            margin-bottom: 20px;
        }
.about-hero .lead {
            font-size: 1.2rem;
            color: var(--text);
            max-width: 700px;
            margin: 0 auto;
        }
.about-section {
            padding: 70px 0;
            border-bottom: 2px solid var(--accent);
        }
.about-section h2 {
            font-weight: 800;
            font-size: 2rem;
            color: var(--black);
            margin-bottom: 30px;
            position: relative;
            padding-left: 20px;
        }
.about-section h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 8px;
            height: 70%;
            background: var(--primary);
            border-radius: 4px;
        }
.about-section p {
            color: var(--text);
            line-height: 1.9;
            font-size: 1.05rem;
            margin-bottom: 18px;
        }
.about-card {
            background: var(--white);
            border: var(--border-w) solid var(--black);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: transform .3s, box-shadow .3s;
        }
.about-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: var(--shadow);
        }
.about-card i {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 18px;
        }
.about-card h3 {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--black);
            margin-bottom: 14px;
        }
.about-card p {
            color: var(--text);
            font-size: .98rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.timeline {
            position: relative;
            padding-left: 40px;
        }
.timeline::before {
            content: "";
            position: absolute;
            left: 12px;
            top: 5px;
            bottom: 5px;
            width: 3px;
            background: var(--primary);
        }
.timeline-item {
            position: relative;
            margin-bottom: 35px;
        }
.timeline-item::before {
            content: "";
            position: absolute;
            left: -34px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--black);
        }
.timeline-item .year {
            font-weight: 800;
            color: var(--primary);
            font-size: 1.1rem;
        }
.timeline-item h3 {
            font-weight: 700;
            color: var(--black);
            font-size: 1.2rem;
            margin: 6px 0 10px;
        }
.timeline-item p {
            color: var(--text);
            font-size: .95rem;
            line-height: 1.7;
        }
.value-list {
            list-style: none;
            padding: 0;
        }
.value-list li {
            background: var(--white);
            border: 2px solid var(--black);
            border-radius: 10px;
            padding: 16px 20px;
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
.value-list li i {
            color: var(--primary);
            font-size: 1.3rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
.about-cta {
            background: var(--primary);
            color: var(--white);
            border: var(--border-w) solid var(--black);
            border-radius: 12px;
            padding: 50px 30px;
            text-align: center;
            box-shadow: var(--shadow);
        }
.about-cta h2 {
            color: var(--white);
            font-weight: 900;
            font-size: 1.8rem;
            text-shadow: 3px 3px 0px rgba(0,0,0,.3);
        }
.about-cta p {
            color: rgba(255,255,255,.9);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 15px auto 25px;
        }
.about-cta .btn {
            background: var(--black);
            color: var(--white);
            border: 3px solid var(--black);
            box-shadow: 4px 4px 0px 0px rgba(255,255,255,.4);
        }
.about-cta .btn:hover {
            background: var(--accent);
            color: var(--black);
            box-shadow: 2px 2px 0px 0px rgba(255,255,255,.4);
            transform: translate(2px, 2px);
        }
.about-hero h1 {
                font-size: 2rem;
            }
.about-hero {
                padding: 50px 0 40px;
            }
.about-section {
                padding: 50px 0;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            padding: 80px 0 40px;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero h1 {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
.disclaimer-hero h1::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
.disclaimer-content {
            padding: 40px 0 60px;
        }
.disclaimer-card {
            background: var(--white);
            border: var(--border-w) solid var(--black);
            box-shadow: var(--shadow);
            border-radius: 12px;
            padding: 40px;
            margin-bottom: 30px;
        }
.disclaimer-card h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-card h2 i {
            font-size: 1.3rem;
            color: var(--primary);
        }
.disclaimer-card p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 15px;
            font-size: 1rem;
        }
.disclaimer-card ul {
            padding-left: 20px;
            margin-bottom: 20px;
        }
.disclaimer-card ul li {
            margin-bottom: 10px;
            line-height: 1.7;
            color: var(--text);
            position: relative;
            padding-left: 5px;
        }
.disclaimer-card ul li::marker {
            color: var(--primary);
            font-weight: bold;
        }
.highlight-box {
            background: var(--bg);
            border: 2px solid var(--accent);
            border-radius: 8px;
            padding: 20px 25px;
            margin: 25px 0;
            position: relative;
        }
.highlight-box::before {
            content: '⚠️';
            position: absolute;
            top: -15px;
            left: 20px;
            background: var(--bg);
            padding: 0 8px;
            font-size: 1.2rem;
        }
.highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
        }
.last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #666;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 2px dashed var(--accent);
        }
.disclaimer-hero h1 {
                font-size: 2rem;
            }
.disclaimer-card {
                padding: 25px;
            }
.disclaimer-card h2 {
                font-size: 1.3rem;
            }

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