:root {
  --primary: #4f46e5;
  --accent: #7c3aed;
  --bg: #f5f3ff;
  --text: #1e1b4b;
  --white: #ffffff;
  --shadow: 0 8px 30px rgba(79, 70, 229, 0.15);
  --shadow-lg: 0 20px 60px rgba(79, 70, 229, 0.25);
  --radius: 16px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ===== Navbar ===== */
.navbar {
  background: rgba(245, 243, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(79, 70, 229, 0.1);
  padding: 14px 0;
  z-index: 1000;
  transition: all 0.3s ease;
}
.navbar-brand {
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--primary) !important;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand i {
  font-size: 1.4rem;
  color: var(--accent);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.navbar .nav-link {
  color: var(--text) !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 18px !important;
  border-radius: 50px;
  transition: all 0.3s ease;
}
.navbar .nav-link:hover {
  color: var(--primary) !important;
  background: rgba(79, 70, 229, 0.08);
}
.navbar-toggler {
  border: none;
  color: var(--primary);
}
.navbar-toggler:focus {
  box-shadow: none;
}
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(245, 243, 255, 0.98);
    border-radius: 16px;
    padding: 16px;
    margin-top: 12px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(79, 70, 229, 0.1);
  }
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #eef2ff 0%, #f5f3ff 40%, #ede9fe 100%);
  overflow: hidden;
  padding: 80px 0 60px;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.1) 0%, transparent 45%);
  z-index: 1;
  will-change: transform;
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 32px;
}
.hero-stat {
  text-align: left;
}
.hero-stat .number {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .label {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(30, 27, 75, 0.7);
  margin-top: 4px;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: 1.15rem;
  font-weight: 400;
  color: rgba(30, 27, 75, 0.75);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
  color: #fff;
}
.btn-outline-custom {
  background: transparent;
  color: var(--text);
  border: 2px solid rgba(79, 70, 229, 0.25);
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline-custom:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79, 70, 229, 0.05);
}
.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
}
.hero-card-stack {
  position: relative;
  width: 380px;
  height: 420px;
}
.hero-card {
  position: absolute;
  width: 260px;
  height: 340px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 0.4s ease;
}
.hero-card:nth-child(1) {
  top: 20px;
  left: 0;
  transform: rotate(-8deg);
  background: linear-gradient(145deg, #a78bfa, #7c3aed);
}
.hero-card:nth-child(2) {
  top: 0;
  left: 60px;
  transform: rotate(5deg);
  background: linear-gradient(145deg, #818cf8, #4f46e5);
  z-index: 2;
}
.hero-card:nth-child(3) {
  top: 40px;
  left: 130px;
  transform: rotate(-3deg);
  background: linear-gradient(145deg, #c4b5fd, #8b5cf6);
}
.hero-card .card-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.9);
}
.hero-card .card-label {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(255,255,255,0.9);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
  text-align: center;
}
@media (max-width: 991px) {
  .hero {
    min-height: auto;
    padding: 100px 0 80px;
  }
  .hero h1 {
    font-size: 2.4rem;
  }
  .hero-stat .number {
    font-size: 2.6rem;
  }
  .hero-visual {
    margin-top: 60px;
  }
  .hero-card-stack {
    width: 300px;
    height: 340px;
    margin: 0 auto;
  }
  .hero-card {
    width: 200px;
    height: 280px;
  }
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header .eyebrow {
  display: inline-block;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  padding: 6px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.section-header p {
  color: rgba(30, 27, 75, 0.6);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== Wave Divider ===== */
.wave-divider {
  position: relative;
  width: 100%;
  height: 60px;
  background: transparent;
  margin-top: -1px;
}
.wave-divider svg {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 60px;
}
.wave-divider.top {
  margin-top: 0;
  margin-bottom: -1px;
}
.wave-divider.top svg {
  top: 0;
  bottom: auto;
}

/* ===== Comparison Table ===== */
.comparison-section {
  background: var(--bg);
}
.comparison-card {
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(79, 70, 229, 0.08);
}
.comparison-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.comparison-card .table-responsive {
  padding: 24px;
}
.comparison-card table {
  margin-bottom: 0;
}
.comparison-card thead th {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  background: transparent;
  padding: 16px 20px;
  border-bottom: 2px solid rgba(79, 70, 229, 0.1);
}
.comparison-card tbody td {
  padding: 14px 20px;
  font-weight: 500;
  border-bottom: 1px solid rgba(79, 70, 229, 0.05);
  vertical-align: middle;
}
.comparison-card tbody tr:last-child td {
  border-bottom: none;
}
.comparison-card .feature-name {
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.comparison-card .check-icon {
  color: var(--primary);
  font-size: 1.2rem;
}
.comparison-card .x-icon {
  color: #cbd5e1;
  font-size: 1.2rem;
}
.comparison-card .platform-name {
  font-weight: 900;
  font-size: 1.3rem;
}
.comparison-card.platform-focus {
  background: linear-gradient(170deg, #eef2ff, #ffffff);
  border: 2px solid var(--primary);
  position: relative;
}
.comparison-card.platform-focus::before {
  content: '推荐';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 4px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  z-index: 3;
}
@media (max-width: 767px) {
  .comparison-card .table-responsive {
    padding: 12px;
  }
  .comparison-card thead th,
  .comparison-card tbody td {
    padding: 12px 10px;
    font-size: 0.85rem;
  }
}

/* ===== Features (Numbered) ===== */
.features-section {
  background: linear-gradient(180deg, var(--bg) 0%, #ede9fe 100%);
  position: relative;
}
.feature-item {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  height: 100%;
  transition: all 0.4s ease;
  border: 1px solid rgba(79, 70, 229, 0.06);
  position: relative;
  overflow: hidden;
}
.feature-item::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.04);
  transition: all 0.4s ease;
}
.feature-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.feature-item:hover::after {
  transform: scale(3);
  background: rgba(79, 70, 229, 0.02);
}
.feature-number {
  font-size: 3rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px var(--primary);
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}
.feature-item h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}
.feature-item p {
  color: rgba(30, 27, 75, 0.7);
  font-size: 0.95rem;
  margin-bottom: 0;
}
.feature-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ===== About Section ===== */
.about-section {
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, transparent 50%, rgba(124, 58, 237, 0.02) 100%);
}
.about-content {
  position: relative;
  z-index: 2;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}
.about-stat-box {
  background: var(--bg);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  border: 1px solid rgba(79, 70, 229, 0.1);
}
.about-stat-box .num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  display: block;
}
.about-stat-box .desc {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(30, 27, 75, 0.6);
  margin-top: 4px;
}
.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.about-list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(79, 70, 229, 0.08);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 500;
}
.about-list li:last-child {
  border-bottom: none;
}
.about-list i {
  color: var(--primary);
  margin-top: 5px;
}
.about-image-wrap {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 100%;
  min-height: 400px;
  background: linear-gradient(160deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.about-image-wrap i {
  font-size: 6rem;
  color: rgba(255, 255, 255, 0.2);
}
.about-image-wrap .overlay-text {
  position: absolute;
  bottom: 30px;
  left: 30px;
  right: 30px;
  color: #fff;
}
.about-image-wrap .overlay-text h4 {
  font-weight: 800;
  margin-bottom: 4px;
}
.about-image-wrap .overlay-text p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 0;
}

/* ===== FAQ Section ===== */
.faq-section {
  background: var(--bg);
}
.faq-item {
  background: var(--white);
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 16px rgba(79, 70, 229, 0.06);
  overflow: hidden;
  border: 1px solid rgba(79, 70, 229, 0.06);
}
.faq-question {
  padding: 20px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  transition: background 0.3s;
}
.faq-question:hover {
  background: rgba(79, 70, 229, 0.03);
}
.faq-question i {
  color: var(--primary);
  transition: transform 0.3s ease;
  font-size: 1rem;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
  color: rgba(30, 27, 75, 0.7);
  font-size: 0.95rem;
}
.faq-item.active .faq-answer {
  padding: 0 28px 20px;
  max-height: 300px;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(150deg, var(--primary), var(--accent));
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.cta-content h2 {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 36px;
}
.btn-white {
  background: #fff;
  color: var(--primary);
  border: none;
  padding: 16px 48px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  color: var(--primary);
}

/* ===== Footer & Friends ===== */
.friends-section {
  background: var(--bg);
  padding: 50px 0 30px;
  border-top: 1px solid rgba(79, 70, 229, 0.08);
}
.friends-title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(30, 27, 75, 0.5);
  margin-bottom: 16px;
}
.friends-links {
  text-align: center;
  color: rgba(30, 27, 75, 0.5);
  font-size: 0.9rem;
}
.footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
  padding: 50px 0 30px;
}
.footer-brand {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff !important;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.footer-brand i {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-links {
  list-style: none;
  padding: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s;
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  margin-top: 40px;
  text-align: center;
  font-size: 0.9rem;
}

/* ===== Animations ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* ===== Parallax effect ===== */
.parallax-element {
  will-change: transform;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
  .section {
    padding: 60px 0;
  }
  .section-header h2 {
    font-size: 1.9rem;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero p.lead {
    font-size: 1rem;
  }
  .hero-stat .number {
    font-size: 2rem;
  }
  .hero-stats {
    gap: 24px;
  }
  .feature-item {
    padding: 28px 22px;
  }
  .about-stat-box .num {
    font-size: 1.7rem;
  }
  .cta-content h2 {
    font-size: 2rem;
  }
}

/* --- 子页面追加 --- */
/* 本页专属样式——关于页 */
    .about-hero { background: linear-gradient(135deg, rgba(79,70,229,0.12) 0%, rgba(124,58,237,0.08) 50%, rgba(79,70,229,0.12) 100%); padding: 80px 0 60px; text-align: center; }
.about-hero h1 { font-weight: 900; font-size: 2.8rem; color: var(--text); margin-bottom: 1rem; line-height: 1.2; }
.about-hero h1 span { color: var(--primary); }
.about-hero p.lead { max-width: 720px; margin: 0 auto 1.5rem; color: rgba(30, 27, 75, 0.75); font-size: 1.15rem; line-height: 1.7; }
.about-hero .hero-badge { display: inline-block; background: var(--primary); color: #fff; font-size: 0.85rem; font-weight: 600; padding: 0.4rem 1.2rem; border-radius: 50px; margin-bottom: 1.5rem; letter-spacing: 0.5px; }
.about-section-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px 35px; margin-bottom: 30px; border: 1px solid rgba(79, 70, 229, 0.06); }
.about-section-card h2 { font-weight: 800; font-size: 1.65rem; color: var(--text); margin-bottom: 1.2rem; display: flex; align-items: center; gap: 12px; }
.about-section-card h2 i { color: var(--primary); font-size: 1.5rem; }
.about-section-card p, .about-section-card li { color: rgba(30, 27, 75, 0.75); line-height: 1.8; font-size: 1.05rem; }
.about-section-card ul { padding-left: 1.2rem; }
.about-section-card ul li { margin-bottom: 0.5rem; }
.about-section-card .highlight-text { color: var(--primary); font-weight: 600; }
.about-section-card .divider { width: 50px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 2px; margin-bottom: 1.2rem; }
.about-quote { background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: var(--radius); padding: 30px 35px; color: #fff; margin: 40px 0; box-shadow: var(--shadow-lg); }
.about-quote p { font-size: 1.2rem; font-weight: 500; line-height: 1.7; margin-bottom: 0; }
.about-quote .quote-author { font-weight: 700; margin-top: 12px; opacity: 0.9; font-size: 0.95rem; }
.about-stat-item { text-align: center; padding: 20px 30px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 160px; }
.about-stat-item .number { font-size: 2.2rem; font-weight: 900; color: var(--primary); }
.about-stat-item .label { font-size: 0.9rem; color: rgba(30, 27, 75, 0.65); margin-top: 4px; }
.about-timeline { position: relative; padding-left: 30px; }
.about-timeline::before { content: ''; position: absolute; left: 10px; top: 5px; bottom: 5px; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--accent)); opacity: 0.3; }
.about-timeline-item { position: relative; margin-bottom: 25px; }
.about-timeline-item::before { content: ''; position: absolute; left: -26px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 2px solid #fff; box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.3); }
.about-timeline-item .year { font-weight: 800; color: var(--primary); font-size: 1rem; }
.about-timeline-item .desc { color: rgba(30, 27, 75, 0.75); font-size: 0.98rem; margin-top: 4px; }
.about-grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.about-grid-2col { grid-template-columns: 1fr; }
.about-hero h1 { font-size: 2rem; }
.about-section-card { padding: 30px 22px; }
.about-stat-item { min-width: 120px; padding: 15px 18px; }
.about-value-list { list-style: none; padding: 0; }
.about-value-list li { display: flex; gap: 15px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid rgba(79, 70, 229, 0.08); }
.about-value-list li:last-child { border-bottom: none; }
.about-value-list i { color: var(--primary); font-size: 1.3rem; margin-top: 3px; min-width: 28px; }
.about-value-list strong { display: block; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.about-value-list span { font-size: 0.95rem; color: rgba(30, 27, 75, 0.7); line-height: 1.6; }
.about-cta { background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(124, 58, 237, 0.06)); border: 1px solid rgba(79, 70, 229, 0.15); border-radius: var(--radius); padding: 40px; text-align: center; margin-top: 40px; }
.about-cta h3 { font-weight: 800; color: var(--text); margin-bottom: 10px; }
.about-cta p { color: rgba(30, 27, 75, 0.7); max-width: 500px; margin: 0 auto 20px; }

/* --- 子页面追加 --- */
.disclaimer-section {
            padding: 80px 0;
            background: var(--bg);
        }
.disclaimer-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(79, 70, 229, 0.1);
        }
.disclaimer-card h2 {
            color: var(--primary);
            font-weight: 800;
            font-size: 1.75rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            color: var(--accent);
            font-size: 1.5rem;
        }
.disclaimer-card p, .disclaimer-card li {
            color: var(--text);
            line-height: 1.8;
            font-size: 1rem;
        }
.disclaimer-card ul {
            padding-left: 20px;
            margin-bottom: 0;
        }
.disclaimer-card ul li {
            margin-bottom: 12px;
            position: relative;
        }
.disclaimer-card ul li::marker {
            color: var(--accent);
        }
.highlight-box {
            background: rgba(79, 70, 229, 0.05);
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            border-radius: 8px;
            margin: 25px 0;
        }
.highlight-box p {
            margin-bottom: 0;
            font-style: italic;
        }
.last-updated {
            color: #888;
            font-size: 0.9rem;
            text-align: right;
            margin-top: 10px;
        }
.disclaimer-card {
                padding: 25px;
            }
.disclaimer-card h2 {
                font-size: 1.4rem;
            }

/* --- 子页面追加 --- */
.privacy-section {
            padding: 60px 0;
        }
.privacy-header {
            background: linear-gradient(135deg, var(--bg) 0%, #e8e4ff 100%);
            padding: 80px 0 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
.privacy-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }
.privacy-header h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
.privacy-header p {
            font-size: 1.1rem;
            color: #6b7280;
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
.privacy-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 30px;
            border: 1px solid rgba(79, 70, 229, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.privacy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
.privacy-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-card h2 i {
            color: var(--primary);
            font-size: 1.4rem;
        }
.privacy-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 12px;
        }
.privacy-card p {
            color: #4b5563;
            line-height: 1.8;
            margin-bottom: 12px;
        }
.privacy-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
.privacy-card ul li {
            color: #4b5563;
            line-height: 1.8;
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
        }
.privacy-card ul li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 600;
        }
.privacy-highlight {
            background: var(--bg);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 16px 0;
        }
.privacy-highlight p {
            margin: 0;
            color: var(--text);
        }
.privacy-updated {
            text-align: center;
            padding: 40px 0 60px;
            color: #6b7280;
            font-size: 0.95rem;
        }
.privacy-updated i {
            color: var(--primary);
            margin-right: 8px;
        }
.privacy-header h1 {
                font-size: 2rem;
            }
.privacy-card {
                padding: 24px;
            }
.privacy-card h2 {
                font-size: 1.3rem;
            }

/* --- 子页面追加 --- */
.guide-hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            padding: 80px 0 60px;
            color: var(--white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
.guide-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--white);
        }
.guide-hero p {
            font-size: 1.15rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.95;
            color: var(--white);
        }
.guide-section {
            padding: 70px 0;
            border-bottom: 1px solid rgba(79, 70, 229, 0.1);
        }
.guide-section:nth-child(even) {
            background: rgba(79, 70, 229, 0.04);
        }
.guide-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 30px;
            position: relative;
            padding-bottom: 12px;
        }
.guide-section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
.guide-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin: 25px 0 15px;
        }
.guide-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.guide-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
.guide-card .icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 15px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
        }
.guide-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
.guide-card p {
            color: var(--text);
            opacity: 0.8;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.steps-list li {
            position: relative;
            padding: 12px 0 12px 45px;
            border-left: 2px solid rgba(79, 70, 229, 0.2);
            margin-left: 20px;
        }
.steps-list li::before {
            content: '';
            position: absolute;
            left: -9px;
            top: 20px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--white);
            box-shadow: 0 0 0 2px var(--primary);
        }
.steps-list li .step-num {
            position: absolute;
            left: -38px;
            top: 16px;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }
.steps-list li p {
            margin-bottom: 4px;
            color: var(--text);
        }
.steps-list li small {
            color: var(--text);
            opacity: 0.7;
        }
.tip-box {
            background: rgba(79, 70, 229, 0.08);
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
        }
.tip-box .tip-title {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
.tip-box p {
            color: var(--text);
            margin-bottom: 0;
            font-size: 0.95rem;
            line-height: 1.6;
        }
.shortcut-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
.shortcut-item {
            background: var(--white);
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            box-shadow: var(--shadow);
        }
.shortcut-item .key {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
.shortcut-item .desc {
            color: var(--text);
            font-size: 0.9rem;
            opacity: 0.8;
        }
.faq-item .q {
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }
.faq-item .q i {
            color: var(--primary);
            margin-right: 10px;
            font-size: 1.1rem;
        }
.faq-item .a {
            color: var(--text);
            opacity: 0.85;
            line-height: 1.6;
            padding-left: 30px;
        }
.guide-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius);
            padding: 40px;
            text-align: center;
            color: var(--white);
            margin-top: 40px;
        }
.guide-cta h3 {
            color: var(--white);
            font-size: 1.5rem;
            margin-bottom: 10px;
        }
.guide-cta p {
            opacity: 0.95;
            margin-bottom: 20px;
        }
.guide-hero h1 {
                font-size: 2rem;
            }
.guide-hero {
                padding: 50px 0 40px;
            }
.guide-section {
                padding: 50px 0;
            }
.shortcut-grid {
                grid-template-columns: repeat(2, 1fr);
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#1e1b4b !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#1e1b4b !important; }