:root {
  --primary: #2563eb;
  --accent: #06b6d4;
  --bg: #f8fafc;
  --text: #0f172a;
  --border: #e2e8f0;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.3; }
h1 { font-size: 3rem; font-weight: 900; }
h2 { font-size: 2rem; font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { color: #475569; }
a { text-decoration: none; color: inherit; }

/* 波浪分割 */
.wave-divider {
  position: relative;
  width: 100%;
  height: 60px;
  overflow: hidden;
  line-height: 0;
}
.wave-divider svg { width: 100%; height: 100%; display: block; }

/* 导航栏 */
.navbar-u {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar-brand-u {
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--primary) !important;
  letter-spacing: -0.5px;
}
.navbar-brand-u i { color: var(--accent); margin-right: 6px; }
.nav-link-u {
  font-weight: 500;
  color: var(--text) !important;
  padding: 8px 16px !important;
  border-radius: var(--radius);
  transition: all 0.2s;
  font-size: 0.95rem;
}
.nav-link-u:hover { color: var(--primary) !important; background: rgba(37, 99, 235, 0.05); }
.navbar-toggler-u { border: none; background: none; font-size: 1.4rem; color: var(--text); }

/* Hero */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08), transparent 70%);
  border-radius: 50%;
  z-index: 0;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}
.hero-stat {
  text-align: left;
}
.hero-stat-number {
  font-family: 'Courier New', monospace;
  font-weight: 800;
  font-size: 2.8rem;
  color: var(--primary);
  line-height: 1;
  display: block;
  letter-spacing: -1px;
}
.hero-stat-label {
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 500;
  margin-top: 6px;
  display: block;
}
.hero h1 {
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.hero h1 span {
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}
.btn-primary-u {
  background: var(--primary);
  border: none;
  padding: 14px 32px;
  font-weight: 600;
  border-radius: var(--radius);
  font-size: 1rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff !important;
}
.btn-primary-u:hover { background: #1d4ed8; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2); }
.btn-outline-u {
  background: transparent;
  border: 2px solid var(--border);
  padding: 12px 28px;
  font-weight: 600;
  border-radius: var(--radius);
  font-size: 1rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
  color: var(--text) !important;
}
.btn-outline-u:hover { border-color: var(--primary); color: var(--primary) !important; }

/* 特色卡片 */
.features {
  padding: 80px 0;
}
.section-label {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: block;
}
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.bento-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}
.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.bento-card:nth-child(1) { grid-column: span 2; animation-delay: 0.1s; }
.bento-card:nth-child(2) { animation-delay: 0.2s; }
.bento-card:nth-child(3) { animation-delay: 0.3s; }
.bento-card:nth-child(4) { animation-delay: 0.4s; }
.bento-card:nth-child(5) { grid-column: span 2; animation-delay: 0.5s; }
.bento-card:nth-child(6) { animation-delay: 0.6s; }
.bento-card:nth-child(7) { animation-delay: 0.7s; }
.bento-card:nth-child(8) { grid-column: span 2; animation-delay: 0.8s; }
.bento-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
}
.bento-card:nth-child(2) .bento-icon, .bento-card:nth-child(7) .bento-icon { background: rgba(6, 182, 212, 0.1); color: var(--accent); }
.bento-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.bento-card p { font-size: 0.92rem; color: #64748b; margin-bottom: 0; }
.bento-stat {
  font-family: 'Courier New', monospace;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}
.bento-card:nth-child(2) .bento-stat { color: var(--accent); }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* FAQ 折叠 */
.faq {
  padding: 80px 0;
  position: relative;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question {
  padding: 22px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
}
.faq-question i {
  color: var(--primary);
  font-size: 0.9rem;
  transition: transform 0.3s;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s;
  padding: 0 24px;
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 22px; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-item.open .faq-question { color: var(--primary); }

/* 介绍步骤条 */
.intro {
  padding: 80px 0;
  position: relative;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}
.step-item {
  position: relative;
  text-align: center;
  padding: 0 20px;
}
.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
  font-family: 'Courier New', monospace;
}
.step-item h3 { margin-bottom: 12px; font-size: 1.1rem; }
.step-item p { font-size: 0.92rem; color: #64748b; }
.step-line {
  position: absolute;
  top: 32px;
  right: -15%;
  width: 30%;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  opacity: 0.3;
}
.step-item:last-child .step-line { display: none; }

/* CTA */
.cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px;
  margin: 40px 0 80px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta h2 { color: #fff; font-size: 2.2rem; font-weight: 900; margin-bottom: 16px; position: relative; }
.cta p { color: rgba(255,255,255,0.9); font-size: 1.1rem; margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; }
.btn-white {
  background: #fff;
  color: var(--primary) !important;
  padding: 14px 36px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  transition: all 0.2s;
  display: inline-block;
  position: relative;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255,255,255,0.3); }

/* 友情链接 */
.friend-links {
  padding: 50px 0 30px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.friend-links h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

/* 页脚 */
.footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 30px 0;
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
}
.footer .footer-brand {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 8px;
  display: inline-block;
}
.footer a { color: #64748b; margin: 0 8px; transition: color 0.2s; }
.footer a:hover { color: var(--primary); }

/* 回到顶部 */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
  border: none;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: #1d4ed8; transform: translateY(-2px); }

/* 移动端适配 */
@media (max-width: 992px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-card:nth-child(1), .bento-card:nth-child(5), .bento-card:nth-child(8) { grid-column: span 2; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step-line { display: none; }
  h1 { font-size: 2.2rem; }
}
@media (max-width: 768px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card:nth-child(1), .bento-card:nth-child(2), .bento-card:nth-child(3), .bento-card:nth-child(4), .bento-card:nth-child(5), .bento-card:nth-child(6), .bento-card:nth-child(7), .bento-card:nth-child(8) { grid-column: span 1; }
  .hero-stats { gap: 20px; }
  .hero-stat-number { font-size: 2rem; }
  .hero { padding: 60px 0 50px; }
  .btn-outline-u { margin-left: 0; margin-top: 10px; }
}

/* --- 子页面追加 --- */
/* 页面专属补充样式 */
        .about-hero {
            padding: 5rem 0 3rem;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
            border-bottom: 1px solid var(--border);
        }
.about-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1rem;
        }
.about-hero p {
            color: #475569;
            font-size: 1.1rem;
            max-width: 720px;
            margin: 0 auto;
        }
.about-section {
            padding: 4rem 0;
        }
.about-section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
.about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
.about-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
.about-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
.about-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            color: #fff;
            font-size: 1.25rem;
        }
.about-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
        }
.about-card p {
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.about-timeline {
            position: relative;
            padding-left: 2rem;
            margin-top: 2rem;
        }
.about-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            opacity: 0.3;
        }
.timeline-item {
            position: relative;
            padding-bottom: 2rem;
            padding-left: 1.5rem;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -1.9rem;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
.timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
.timeline-item p {
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.about-quote {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: var(--radius);
            padding: 3rem;
            text-align: center;
            margin: 3rem 0;
        }
.about-quote p {
            font-size: 1.25rem;
            font-style: italic;
            font-weight: 500;
            margin-bottom: 1rem;
            opacity: 0.95;
        }
.about-quote cite {
            font-size: 0.95rem;
            font-style: normal;
            opacity: 0.85;
        }
.about-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            margin: 3rem 0;
        }
.about-stat {
            text-align: center;
        }
.about-stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
.about-stat-label {
            font-size: 0.9rem;
            color: #64748b;
            margin-top: 0.25rem;
        }
.about-hero h1 { font-size: 2rem; }
.about-quote { padding: 2rem; }
.about-quote p { font-size: 1.1rem; }

/* --- 子页面追加 --- */
/* 注册页专属样式 */
        .register-hero {
            background: linear-gradient(135deg, var(--bg) 0%, rgba(37, 99, 235, 0.05) 50%, var(--bg) 100%);
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
.register-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 30%),
                        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.06) 0%, transparent 30%);
            animation: float-bg 20s ease-in-out infinite alternate;
        }
0% { transform: translate(0, 0) rotate(0deg); }
100% { transform: translate(-20px, 20px) rotate(3deg); }
.register-hero h1 {
            font-weight: 800;
            font-size: 2.8rem;
            color: var(--text);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
.register-hero h1 span {
            color: var(--primary);
        }
.register-hero p {
            font-size: 1.1rem;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 1;
        }
.register-hero .hero-stats {
            position: relative;
            z-index: 1;
        }
.register-hero .hero-stat {
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px 24px;
            display: inline-block;
            margin: 0 8px;
            box-shadow: var(--shadow-md);
        }
.register-hero .hero-stat-number {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }
.register-hero .hero-stat-label {
            font-size: 0.85rem;
            color: #64748b;
        }
.benefits-section {
            padding: 80px 0;
            background: white;
        }
.benefits-section .section-label {
            text-align: center;
            margin-bottom: 40px;
        }
.benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }
.benefit-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }
.benefit-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
.benefit-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
.benefit-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }
.benefit-item p {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
        }
.register-form-section {
            padding: 80px 0;
            background: var(--bg);
        }
.register-form-wrap {
            background: white;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 48px;
            max-width: 560px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
        }
.register-form-wrap .form-label {
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
.register-form-wrap .form-control {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 12px 16px;
            color: var(--text);
            margin-bottom: 20px;
        }
.register-form-wrap .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
            background: white;
        }
.register-form-wrap .form-control::placeholder {
            color: #94a3b8;
        }
.register-form-wrap .btn-primary-u {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
            margin-top: 8px;
        }
.form-terms {
            font-size: 0.8rem;
            color: #64748b;
            text-align: center;
            margin-top: 16px;
        }
.form-terms a {
            color: var(--primary);
            text-decoration: none;
        }
.form-terms a:hover {
            text-decoration: underline;
        }
.form-divider {
            text-align: center;
            margin: 24px 0;
            color: #94a3b8;
            font-size: 0.85rem;
            position: relative;
        }
.form-divider::before,
        .form-divider::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 40%;
            height: 1px;
            background: var(--border);
        }
.form-divider::before { left: 0; }
.form-divider::after { right: 0; }
.social-register {
            display: flex;
            gap: 12px;
            justify-content: center;
        }
.social-btn {
            flex: 1;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: white;
            color: var(--text);
            font-weight: 500;
            font-size: 0.9rem;
            text-align: center;
            text-decoration: none;
            transition: all 0.3s ease;
        }
.social-btn:hover {
            background: var(--bg);
            border-color: var(--primary);
            color: var(--primary);
        }
.social-btn i {
            margin-right: 8px;
        }
.steps-section {
            padding: 80px 0;
            background: white;
        }
.steps-section .section-label {
            text-align: center;
            margin-bottom: 50px;
        }
.step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
.faq-section {
            padding: 80px 0;
            background: var(--bg);
        }
.faq-section .section-label {
            text-align: center;
            margin-bottom: 40px;
        }
.faq-item.active .faq-question i {
            transform: rotate(45deg);
        }
.faq-item.active .faq-answer {
            display: block;
        }
.cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            text-align: center;
            color: white;
        }
.cta-section h2 {
            font-weight: 700;
            margin-bottom: 16px;
        }
.cta-section p {
            opacity: 0.9;
            margin-bottom: 30px;
        }
.cta-section .btn-primary-u {
            background: white;
            color: var(--primary);
            border: none;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius);
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
        }
.cta-section .btn-primary-u:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }
.register-hero h1 {
                font-size: 2rem;
            }
.register-form-wrap {
                padding: 32px 24px;
            }
.benefits-grid {
                grid-template-columns: 1fr;
            }

/* --- 子页面追加 --- */
.disclaimer-section {
      padding: 60px 0;
    }
.disclaimer-section h2 {
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 1.2rem;
      position: relative;
      padding-bottom: 10px;
    }
.disclaimer-section h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 3px;
      background: var(--accent);
      border-radius: 2px;
    }
.disclaimer-section h3 {
      color: var(--text);
      font-weight: 600;
      margin-top: 1.5rem;
      margin-bottom: 0.8rem;
      font-size: 1.15rem;
    }
.disclaimer-section p {
      color: #334155;
      line-height: 1.8;
      margin-bottom: 1rem;
    }
.disclaimer-section ul {
      padding-left: 1.2rem;
      margin-bottom: 1.2rem;
    }
.disclaimer-section li {
      color: #334155;
      line-height: 1.8;
      margin-bottom: 0.5rem;
    }
.disclaimer-section .highlight-box {
      background: rgba(37, 99, 235, 0.05);
      border-left: 4px solid var(--primary);
      padding: 1.2rem 1.5rem;
      border-radius: 0 var(--radius) var(--radius) 0;
      margin: 1.5rem 0;
    }
.disclaimer-section .highlight-box p {
      margin-bottom: 0.5rem;
    }
.disclaimer-section .highlight-box p:last-child {
      margin-bottom: 0;
    }
.disclaimer-section .text-muted-u {
      color: #64748b;
      font-size: 0.9rem;
    }
.disclaimer-section .divider {
      border: 0;
      border-top: 1px solid var(--border);
      margin: 2rem 0;
    }
.update-date {
      display: inline-block;
      background: rgba(6, 182, 212, 0.1);
      color: var(--accent);
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
      margin-bottom: 1.5rem;
    }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .privacy-hero {
            padding: 80px 0 40px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
        }
.privacy-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }
.privacy-section {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
.privacy-section h2 {
            color: var(--primary);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
.privacy-section h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--primary);
        }
.privacy-section h3 {
            color: var(--text);
            font-size: 1.2rem;
            font-weight: 600;
            margin: 25px 0 15px;
        }
.privacy-section p {
            color: #475569;
            line-height: 1.8;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
.privacy-section ul {
            margin: 15px 0;
            padding-left: 20px;
        }
.privacy-section ul li {
            color: #475569;
            line-height: 1.8;
            margin-bottom: 10px;
            font-size: 0.95rem;
            position: relative;
            padding-left: 20px;
        }
.privacy-section ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 600;
        }
.privacy-badge {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
.privacy-updated {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(6, 182, 212, 0.08);
            border-radius: 20px;
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 30px;
        }
.privacy-updated i {
            font-size: 0.9rem;
        }
.contact-box {
            background: rgba(37, 99, 235, 0.03);
            border: 1px solid rgba(37, 99, 235, 0.1);
            border-radius: var(--radius);
            padding: 25px;
            margin-top: 25px;
        }
.contact-box h3 {
            color: var(--primary);
            margin-top: 0;
        }
.contact-box a {
            color: var(--primary);
            text-decoration: underline;
            font-weight: 500;
        }
.contact-box a:hover {
            color: var(--accent);
        }
.privacy-hero {
                padding: 60px 0 30px;
            }
.privacy-section {
                padding: 25px;
                margin-bottom: 20px;
            }
.privacy-section h2 {
                font-size: 1.3rem;
            }