/* roulang page: index */
:root {
  --primary: #1E5AAB;
  --primary-light: #2563EB;
  --primary-bg: #EAF2FA;
  --accent: #B08968;
  --accent-dark: #9A7458;
  --accent-light: #F5EDE6;
  --heading: #1A202C;
  --body: #2D3748;
  --muted: #718096;
  --border: rgba(30, 90, 171, 0.08);
  --card-radius: 18px;
  --btn-radius: 12px;
  --shadow: 0 12px 32px rgba(30, 90, 171, 0.08);
  --shadow-hover: 0 20px 40px rgba(30, 90, 171, 0.14);
  --spacing: 100px;
  --spacing-sm: 60px;
  --container: 1200px;
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--body);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-light); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

.section-pad { padding: var(--spacing) 0; }

h1, h2, h3, h4 {
  color: var(--heading);
  line-height: 1.3;
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  text-align: center;
}

.section-desc {
  text-align: center;
  max-width: 640px;
  margin: 16px auto 48px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.text-accent { color: var(--accent); }

/* ========== 导航 ========== */
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 32px), var(--container));
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-radius: 999px;
  box-shadow: 0 4px 24px rgba(30, 90, 171, 0.08);
  transition: box-shadow 0.3s ease, top 0.3s ease;
  padding: 10px 20px;
}
.site-nav.scrolled {
  top: 12px;
  box-shadow: 0 8px 32px rgba(30, 90, 171, 0.12);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: calc(var(--container) - 40px);
  margin: 0 auto;
  gap: 20px;
}
.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--heading);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.nav-logo i {
  color: var(--accent);
  font-size: 1.3rem;
}
.nav-logo span { display: inline-block; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--body);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 0.9rem !important;
  font-weight: 600 !important;
  transition: all 0.3s !important;
}
.nav-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--heading);
  padding: 6px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.nav-toggle:hover { background: var(--primary-bg); }

/* ========== 按钮 ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--btn-radius);
  border: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(176, 137, 104, 0.3);
}
.btn-primary:focus {
  outline: 3px solid rgba(176, 137, 104, 0.4);
  outline-offset: 2px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--btn-radius);
  border: 1px solid rgba(30, 90, 171, 0.15);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn-secondary:hover {
  background: #dbe8f5;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(30, 90, 171, 0.12);
}
.btn-secondary:focus {
  outline: 3px solid rgba(30, 90, 171, 0.25);
  outline-offset: 2px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* ========== Hero ========== */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(180deg, var(--primary-bg) 0%, #f7fbfe 60%, #fff 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(176,137,104,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(176,137,104,0.2);
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--body);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid rgba(30,90,171,0.1);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--body);
  box-shadow: 0 2px 8px rgba(30,90,171,0.04);
}
.badge i { color: var(--accent); }

.hero-book {
  position: relative;
}
.book-cover {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.book-cover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.book-cover img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}
.book-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(26,32,44,0.3) 0%, rgba(26,32,44,0.75) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  color: #fff;
}
.book-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: #fff;
}
.book-desc {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 20px;
}
.book-list {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.book-list li {
  font-size: 0.88rem;
  opacity: 0.92;
  padding-left: 18px;
  position: relative;
}
.book-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}
.book-overlay .btn-primary {
  align-self: flex-start;
  font-size: 0.9rem;
  padding: 12px 24px;
}

/* ========== 痛点区 ========== */
.pain-section {
  background: #fff;
  padding: var(--spacing) 0;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.pain-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 28px;
  box-shadow: 0 4px 16px rgba(30,90,171,0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(176,137,104,0.2);
}
.pain-card:hover::before { opacity: 1; }
.pain-card.offset-right { transform: translateX(20px); }
.pain-card.offset-right:hover { transform: translateX(20px) translateY(-4px); }
.pain-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.2rem;
  color: var(--accent);
}
.pain-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.pain-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}
.transition-text {
  text-align: center;
  margin-top: 48px;
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 500;
}

/* ========== 合集目录 ========== */
.toc-section {
  background: var(--primary-bg);
  padding: var(--spacing) 0;
}
.toc-card {
  background: #fff;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow);
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.toc-card::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(176,137,104,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.toc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.toc-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: #fafcfe;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.toc-item:hover {
  background: #fff;
  border-color: rgba(176,137,104,0.25);
  transform: translateX(4px);
}
.toc-num {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 34px;
}
.toc-item p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--heading);
}

/* ========== 解决方案区 ========== */
.method-section {
  background: #fff;
  padding: var(--spacing) 0;
}
.method-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.timeline {
  position: relative;
  padding-left: 0;
}
.timeline-step {
  display: flex;
  gap: 20px;
  position: relative;
  padding: 0 0 36px 0;
}
.timeline-step:last-child { padding-bottom: 0; }
.timeline-step::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 50px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, rgba(30,90,171,0.1) 100%);
}
.timeline-step:last-child::before { display: none; }
.step-num {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 4px 12px rgba(30,90,171,0.12);
  z-index: 1;
}
.step-content {
  padding-top: 2px;
}
.step-content h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.step-content p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 420px;
}
.method-visual {
  position: relative;
}
.method-visual img {
  border-radius: 24px;
  box-shadow: var(--shadow);
  width: 100%;
  height: 440px;
  object-fit: cover;
}
.method-visual .floating-tag {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255,255,255,0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--heading);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
}
.floating-tag i { color: var(--accent); }

/* ========== 对比表 ========== */
.compare-section {
  background: var(--primary-bg);
  padding: var(--spacing) 0;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.compare-col {
  border-radius: 20px;
  padding: 32px;
  background: #fff;
  box-shadow: 0 4px 20px rgba(30,90,171,0.06);
}
.compare-col h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.compare-col h3 i {
  font-size: 1rem;
}
.compare-good h3 { color: var(--primary); }
.compare-bad h3 { color: var(--accent-dark); }
.compare-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--body);
}
.compare-list li i {
  margin-top: 4px;
  flex-shrink: 0;
}
.compare-good .compare-list li i { color: #38a169; }
.compare-bad .compare-list li i { color: #e53e3e; }
.compare-good {
  border-left: 4px solid var(--primary);
}
.compare-bad {
  border-left: 4px solid var(--accent);
}

/* ========== 成果区 ========== */
.results-section {
  background: linear-gradient(160deg, #1E3A5F 0%, #1E5AAB 100%);
  padding: var(--spacing) 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.results-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  opacity: 0.15;
}
.results-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.results-section h2 {
  color: #fff;
  text-align: center;
  margin-bottom: 12px;
}
.results-section .section-desc { color: rgba(255,255,255,0.8); }
.result-stat {
  text-align: center;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.2;
}
.result-stat-sub {
  text-align: center;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 48px;
}
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}
.result-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 28px;
  transition: all 0.3s ease;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.result-card:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.15);
}
.result-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.2rem;
  color: #fff;
}
.result-card h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.result-card p {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ========== 客户证言 ========== */
.reviews-section {
  background: #fff;
  padding: var(--spacing) 0;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.review-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 28px;
  box-shadow: 0 4px 16px rgba(30,90,171,0.05);
  transition: all 0.3s ease;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.review-card:nth-child(2) { transform: translateY(24px); }
.review-card:nth-child(2):hover { transform: translateY(20px); }
.review-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
}
.review-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--heading);
}
.review-area {
  font-size: 0.82rem;
  color: var(--muted);
}
.review-stars {
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 10px;
  display: flex;
  gap: 2px;
}
.review-card p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--body);
  margin-bottom: 0;
}

/* ========== 资讯区 ========== */
.news-section {
  background: #f7fbfe;
  padding: var(--spacing) 0;
}
.news-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 60px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.news-list-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--heading);
  display: flex;
  align-items: center;
  gap: 10px;
}
.news-list-title i { color: var(--accent); }
.news-list {
  display: flex;
  flex-direction: column;
}
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.3s ease;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 8px; }
.news-tag {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 999px;
  margin-top: 3px;
}
.news-item a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--heading);
  line-height: 1.5;
  transition: color 0.2s;
}
.news-item a:hover { color: var(--accent); }
.news-meta {
  display: flex;
  gap: 12px;
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--muted);
}
.news-sidebar {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 100px;
}
.news-sidebar h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--heading);
}
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.sidebar-tag {
  font-size: 0.8rem;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 500;
  transition: all 0.2s;
}
.sidebar-tag:hover {
  background: var(--accent);
  color: #fff;
}
.sidebar-book {
  background: var(--primary-bg);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
}
.sidebar-book p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 12px;
}
.sidebar-book .btn-primary {
  font-size: 0.85rem;
  padding: 10px 20px;
}

/* ========== FAQ ========== */
.faq-section {
  background: #fff;
  padding: var(--spacing) 0;
}
.faq-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 12px;
  background: #fff;
  transition: all 0.3s ease;
  overflow: hidden;
}
.faq-item[open] {
  background: var(--primary-bg);
  border-color: rgba(30,90,171,0.2);
  box-shadow: 0 4px 16px rgba(30,90,171,0.08);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--heading);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--primary);
  transition: all 0.3s ease;
  border: 1px solid rgba(30,90,171,0.12);
}
.faq-item[open] .faq-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
  border-color: var(--accent);
}
.faq-item .faq-answer {
  padding: 0 24px 20px;
  color: var(--body);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* ========== CTA ========== */
.cta-section {
  background: var(--primary-bg);
  padding: var(--spacing) 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(176,137,104,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  margin-bottom: 12px;
}
.cta-inner .section-desc {
  margin-bottom: 40px;
}
.cta-form {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
  text-align: left;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(30,90,171,0.15);
  border-radius: var(--btn-radius);
  font-size: 0.95rem;
  color: var(--heading);
  background: #fff;
  transition: all 0.3s ease;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,90,171,0.15);
}
.cta-form .btn-primary {
  width: 100%;
  margin-top: 8px;
}
.form-privacy {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 16px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #1A202C;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 40px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  margin-bottom: 40px;
}
.footer-brand h4 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand h4 i { color: var(--accent); }
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}
.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col ul a {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: #fff; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
}
.footer-contact li i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px 24px 0;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  :root { --spacing: 80px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-book { max-width: 480px; margin: 0 auto; }
  .method-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .method-visual img { height: 320px; }
  .news-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .review-card:nth-child(2) { transform: none; }
  .review-card:nth-child(2):hover { transform: translateY(-4px); }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root { --spacing: 56px; }
  .site-nav {
    border-radius: 20px;
    padding: 10px 16px;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    width: calc(100% - 40px);
    background: rgba(255,255,255,0.97);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .nav-links a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
  }
  .nav-links a:hover { background: var(--primary-bg); }
  .nav-links .nav-cta {
    text-align: center;
    margin-top: 6px;
  }
  .nav-toggle { display: flex; }
  .nav-logo span { font-size: 0.95rem; }
  .hero { padding: 140px 0 60px; }
  .hero h1 { font-size: 1.7rem; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card.offset-right { transform: none; }
  .pain-card.offset-right:hover { transform: translateY(-4px); }
  .toc-list { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .cta-form { padding: 24px; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .book-cover img { height: 360px; }
}

@media (max-width: 520px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
  }
  .book-cover img { height: 320px; }
  .book-overlay { padding: 20px; }
  .book-title { font-size: 1.2rem; }
  .book-list li { font-size: 0.82rem; }
  .timeline-step { gap: 14px; }
  .step-num { width: 42px; height: 42px; font-size: 0.8rem; }
  .timeline-step::before { left: 21px; }
  .compare-col { padding: 24px; }
  .cta-form { padding: 20px; }
  .section-desc { font-size: 0.95rem; }
}

/* roulang page: index */
:root {
            --primary: #4a7b94;
            --primary-dark: #315d75;
            --primary-deep: #2e5266;
            --primary-light: rgba(74, 123, 148, .08);
            --teal: #6b8f71;
            --teal-light: rgba(107, 143, 113, .1);
            --clay: #a08062;
            --clay-light: rgba(160, 128, 98, .1);
            --amber: #d19a5e;
            --danger: #c05a4e;
            --danger-light: rgba(192, 90, 78, .1);
            --bg: #fbfcfd;
            --bg-alt: #f2f6f8;
            --bg-blue: #f0f5f9;
            --card: #fff;
            --text: #223543;
            --text-2: #5a6b7a;
            --text-3: #8a9aa8;
            --border: #e8edf2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(35, 58, 76, .06);
            --shadow-lg: 0 10px 28px rgba(35, 58, 76, .12);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: color .25s; }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }

        .grid-container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

        /* ===== 通用组件 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .3s ease;
            white-space: nowrap;
            background: none;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(74, 123, 148, .25); }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary:focus-visible { outline: 3px solid rgba(74, 123, 148, .3); outline-offset: 2px; }
        .btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
        .btn-outline:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
        .btn-outline:focus-visible { outline: 3px solid rgba(74, 123, 148, .2); outline-offset: 2px; }
        .btn-white { background: #fff; color: var(--primary-deep); }
        .btn-white:hover { background: #f0f5f9; color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(15, 30, 40, .15); }
        .btn-line-white { background: transparent; border-color: rgba(255, 255, 255, .6); color: #fff; }
        .btn-line-white:hover { background: rgba(255, 255, 255, .08); border-color: #fff; color: #fff; transform: translateY(-2px); }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: .2px;
            margin: 4px 6px 4px 0;
        }
        .badge-teal { background: var(--teal-light); color: var(--teal); }
        .badge-amber { background: rgba(209, 154, 94, .12); color: #a06a2e; }
        .badge-danger { background: var(--danger-light); color: var(--danger); }

        .section-padding { padding: 96px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-blue { background: linear-gradient(180deg, #f0f5f9 0%, #f7fafc 100%); }

        .section-head { margin-bottom: 40px; max-width: 720px; }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -.5px;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-head p { font-size: 16px; color: var(--text-2); line-height: 1.8; margin-bottom: 0; }
        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            transition: all .35s ease;
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

        /* ===== 浮动Dock导航 ===== */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1200px;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, .6);
            box-shadow: 0 8px 24px rgba(25, 42, 62, .1);
            border-radius: 999px;
            padding: 10px 20px;
        }
        .dock-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
        .dock-logo { display: flex; align-items: center; gap: 12px; }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo-text { font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: -.2px; line-height: 1.2; }
        .logo-sub { display: block; font-size: 12px; font-weight: 400; color: var(--text-3); letter-spacing: .3px; margin-top: 2px; }
        .dock-menu { display: flex; align-items: center; gap: 28px; }
        .dock-menu a { font-size: 15px; font-weight: 500; color: var(--text-2); transition: color .25s; position: relative; padding: 6px 0; }
        .dock-menu a:hover, .dock-menu a.active { color: var(--primary); }
        .dock-menu a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; border-radius: 2px; background: var(--primary); }
        .dock-right { display: flex; align-items: center; gap: 16px; }
        .dock-search {
            display: flex;
            align-items: center;
            background: #f2f6f8;
            border-radius: 999px;
            padding: 5px 6px 5px 16px;
            border: 1px solid transparent;
            transition: border-color .25s, background .25s;
        }
        .dock-search input { border: none; background: transparent; font-size: 13px; color: var(--text); width: 150px; outline: none; }
        .dock-search button {
            width: 32px; height: 32px;
            border-radius: 50%;
            background: var(--primary);
            border: none;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background .25s;
        }
        .dock-search button:hover { background: var(--primary-dark); }
        .dock-search:focus-within { border-color: var(--primary); background: #fff; }
        .btn-dock { padding: 10px 22px; font-size: 14px; }
        .hamburger {
            display: none;
            width: 40px; height: 40px;
            border-radius: 50%;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all .25s;
        }
        .hamburger:hover { border-color: var(--primary); color: var(--primary); }
        .dock-mobile-menu {
            display: none;
            margin-top: 10px;
            border-radius: 18px;
            background: #fff;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 10px 0;
        }
        .dock-mobile-menu a { display: block; padding: 12px 22px; font-size: 15px; font-weight: 500; color: var(--text); }
        .dock-mobile-menu a:hover, .dock-mobile-menu a.active { color: var(--primary); background: var(--primary-light); }
        .dock-mobile-menu.open { display: block; }

        /* ===== Hero ===== */
        .hero-section {
            padding: 140px 0 80px;
            background:
                radial-gradient(ellipse at 80% 0%, rgba(107, 143, 113, .08) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 100%, rgba(74, 123, 148, .08) 0%, transparent 55%),
                var(--bg);
        }
        .hero-left h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -.5px;
            margin-bottom: 20px;
            color: var(--text);
        }
        .hero-left .hero-desc { font-size: 16px; color: var(--text-2); line-height: 1.85; margin-bottom: 30px; max-width: 560px; }
        .hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
        .hero-badges { display: flex; flex-wrap: wrap; }
        .hero-right { position: relative; }

        .whitepaper-card {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-lg);
            max-width: 520px;
            margin-left: auto;
        }
        .whitepaper-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(31, 54, 70, .85), rgba(46, 82, 102, .92));
        }
        .whitepaper-content { position: relative; z-index: 1; padding: 40px 36px; }
        .wp-tag {
            display: inline-block;
            background: rgba(255, 255, 255, .15);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 22px;
            border: 1px solid rgba(255, 255, 255, .2);
        }
        .whitepaper-content h3 { color: #fff; font-size: 24px; font-weight: 700; line-height: 1.3; margin-bottom: 20px; }
        .wp-toc { list-style: none; margin: 0 0 26px; padding: 0; }
        .wp-toc-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, .9);
            font-size: 14px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .wp-toc-item:last-child { border-bottom: none; }
        .wp-toc-item span {
            font-size: 12px;
            font-weight: 700;
            color: var(--amber);
            background: rgba(255, 255, 255, .08);
            border-radius: 6px;
            padding: 2px 8px;
            flex-shrink: 0;
        }
        .wp-form { display: flex; gap: 10px; margin-top: 4px; }
        .wp-form input {
            flex: 1;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .3);
            background: rgba(255, 255, 255, .12);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 10px 18px;
            font-size: 13px;
            outline: none;
            transition: all .3s;
            min-width: 0;
        }
        .wp-form input::placeholder { color: rgba(255, 255, 255, .6); }
        .wp-form input:focus { border-color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .18); }
        .wp-form .btn { padding: 10px 20px; font-size: 14px; flex-shrink: 0; }
        .form-success { color: #fff; font-size: 14px; background: rgba(107, 143, 113, .25); border-radius: 12px; padding: 12px 16px; line-height: 1.6; }

        .hero-tags {
            margin-top: 48px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            padding-bottom: 6px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .hero-tags span {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            background: #edf2f6;
            color: var(--text-2);
            font-size: 13px;
            font-weight: 500;
            cursor: default;
            transition: all .25s;
        }
        .hero-tags span:hover { background: var(--primary-light); color: var(--primary); }

        /* ===== 痛点段 ===== */
        .pitfall-card { position: relative; }
        .pitfall-card .pf-icon {
            width: 44px; height: 44px;
            border-radius: 12px;
            background: var(--danger-light);
            color: var(--danger);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }
        .pitfall-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
        .pitfall-card p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 14px; }
        .pf-tag { font-size: 12px; color: var(--text-3); background: #f2f6f8; border-radius: 999px; padding: 4px 12px; margin-top: 4px; }

        .quote-block {
            display: flex;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
            margin-top: 48px;
            max-width: 860px;
            margin-left: auto;
            margin-right: auto;
        }
        .quote-block .quote-bar { width: 4px; border-radius: 4px; background: var(--primary); flex-shrink: 0; }
        .quote-block .quote-text { font-size: 15px; color: var(--text); line-height: 1.8; font-style: italic; }
        .quote-block .quote-author { font-size: 13px; color: var(--text-3); margin-top: 8px; }

        /* ===== 解决方案段 ===== */
        .guide-section { background: linear-gradient(180deg, #f0f5f9 0%, #f7fafc 60%, #fff 100%); }
        .steps-wrap { display: flex; gap: 24px; margin-bottom: 56px; }
        .step-item {
            flex: 1;
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all .3s;
        }
        .step-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px; height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 16px;
        }
        .step-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
        .step-item p { font-size: 13px; color: var(--text-2); line-height: 1.7; margin-bottom: 0; }

        .compare-wrap { display: flex; gap: 24px; }
        .compare-card {
            flex: 1;
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }
        .compare-list { list-style: none; margin: 0; padding: 0; }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
            border-bottom: 1px dashed #eef1f5;
        }
        .compare-list li:last-child { border-bottom: none; }
        .compare-list .ci { flex-shrink: 0; font-size: 16px; margin-top: 2px; }

        /* ===== 成果展示段 ===== */
        .stats-bar {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 20px;
            padding: 36px 40px;
            display: flex;
            gap: 32px;
            justify-content: space-around;
            flex-wrap: wrap;
            margin-bottom: 64px;
            color: #fff;
        }
        .stat-item { text-align: center; }
        .stat-num { font-size: 38px; font-weight: 700; line-height: 1.1; letter-spacing: -1px; }
        .stat-label { font-size: 13px; color: rgba(255, 255, 255, .75); margin-top: 8px; }

        .review-card { overflow: hidden; display: flex; flex-direction: column; }
        .review-card .rev-img { position: relative; overflow: hidden; aspect-ratio: 16 / 9; }
        .review-card .rev-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
        .review-card:hover .rev-img img { transform: scale(1.03); }
        .rev-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(4px);
            color: var(--primary-deep);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            box-shadow: 0 2px 8px rgba(30, 50, 70, .1);
        }
        .rev-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
        .rev-name-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
        .rev-name-row h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 0; }
        .rev-bookmark { background: none; border: none; color: var(--text-3); font-size: 18px; cursor: pointer; transition: color .25s; padding: 4px; }
        .rev-bookmark:hover, .rev-bookmark.active { color: var(--amber); }
        .rev-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
        .rev-badges .badge { margin: 0; }
        .rev-meta {
            display: flex;
            gap: 14px;
            font-size: 13px;
            color: var(--text-2);
            padding-top: 16px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }
        .rev-meta span { display: inline-flex; align-items: center; gap: 5px; }
        .rev-dims { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
        .rev-dims .badge { background: var(--clay-light); color: var(--clay); }

        /* ===== 资讯区 ===== */
        .article-list { list-style: none; margin: 0; padding: 0; }
        .article-list li {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px 24px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all .3s;
        }
        .article-list li:hover { box-shadow: var(--shadow-sm); transform: translateX(4px); border-color: #d0dce6; }
        .article-list .art-icon {
            width: 40px; height: 40px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .article-list .art-cat { font-size: 12px; color: var(--text-3); font-weight: 500; margin-bottom: 2px; }
        .article-list .art-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.5; }
        .article-list li:hover .art-title { color: var(--primary); }
        .article-list .art-arrow { margin-left: auto; color: var(--text-3); font-size: 14px; flex-shrink: 0; }
        .article-list li:hover .art-arrow { color: var(--primary); transform: translateX(4px); transition: all .3s; }

        .side-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            margin-bottom: 20px;
        }
        .side-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
        .side-card h4 i { color: var(--primary); font-size: 15px; }
        .side-link-list { list-style: none; margin: 0; padding: 0; }
        .side-link-list li { padding: 10px 0; border-bottom: 1px dashed #eef1f5; font-size: 14px; }
        .side-link-list li:last-child { border-bottom: none; }
        .side-link-list a { color: var(--text-2); display: flex; gap: 8px; align-items: flex-start; line-height: 1.6; }
        .side-link-list a:hover { color: var(--primary); }
        .side-link-list .hot { color: var(--danger); font-size: 12px; flex-shrink: 0; margin-top: 3px; }
        .side-link-list .fresh { color: var(--teal); font-size: 12px; flex-shrink: 0; margin-top: 3px; }
        .side-link-list .star { color: var(--amber); font-size: 12px; flex-shrink: 0; margin-top: 3px; }

        /* ===== 收藏分享 ===== */
        .share-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }
        .share-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
        .share-inner p { font-size: 15px; color: var(--text-2); margin-bottom: 0; max-width: 640px; }
        .share-actions { display: flex; gap: 12px; flex-wrap: wrap; }
        .btn-icon {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-2);
            cursor: pointer;
            transition: all .25s;
        }
        .btn-icon:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
        .btn-icon.saved { color: #fff; background: var(--amber); border-color: var(--amber); }

        /* ===== 证言段 ===== */
        .testi-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            position: relative;
            transition: all .3s;
            height: 100%;
        }
        .testi-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
        .testi-verify {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 12px;
            color: var(--teal);
            background: var(--teal-light);
            padding: 4px 10px;
            border-radius: 999px;
            font-weight: 500;
        }
        .testi-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
        .testi-avatar {
            width: 44px; height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .testi-name { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.3; }
        .testi-area { font-size: 13px; color: var(--text-3); }
        .testi-stars { color: var(--amber); font-size: 14px; margin-bottom: 10px; letter-spacing: 2px; }
        .testi-text { font-size: 15px; color: var(--text); line-height: 1.75; margin-bottom: 0; }
        .testi-small {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 22px;
            height: 100%;
            transition: all .3s;
        }
        .testi-small:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
        .testi-small .testi-stars { font-size: 13px; margin-bottom: 8px; }
        .testi-small p { font-size: 14px; color: var(--text); line-height: 1.65; margin-bottom: 10px; }
        .testi-small .testi-name { font-size: 13px; color: var(--text-3); font-weight: 500; }
        .btn-more-wrap { text-align: center; margin-top: 40px; }

        /* ===== FAQ ===== */
        .faq-left .faq-wrap { display: flex; flex-direction: column; }
        .accordion.custom-accordion { list-style: none; margin: 0; padding: 0; }
        .accordion.custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .accordion.custom-accordion .accordion-item:hover { box-shadow: var(--shadow-sm); }
        .accordion.custom-accordion .accordion-item.is-active { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .accordion.custom-accordion .accordion-title {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 52px 18px 24px;
            position: relative;
            line-height: 1.5;
            transition: color .25s;
        }
        .accordion.custom-accordion .accordion-title:hover { color: var(--primary); background: transparent; }
        .accordion.custom-accordion .accordion-item.is-active > .accordion-title { color: var(--primary); }
        .accordion.custom-accordion .accordion-title::before,
        .accordion.custom-accordion .accordion-title::after {
            content: none;
        }
        .accordion.custom-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-3);
            font-size: 14px;
            transition: transform .35s, color .25s;
        }
        .accordion.custom-accordion .accordion-item.is-active > .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--primary);
        }
        .accordion.custom-accordion .accordion-content {
            border: none;
            background: transparent;
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 24px 20px;
        }

        .faq-side-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            position: sticky;
            top: 110px;
        }
        .faq-side-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
        .faq-side-card .fs-desc { font-size: 13px; color: var(--text-3); margin-bottom: 18px; line-height: 1.6; }
        .faq-side-card .form-field { margin-bottom: 14px; }
        .faq-side-card .form-field label { display: block; font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
        .faq-side-card .form-field input,
        .faq-side-card .form-field textarea {
            width: 100%;
            border-radius: 10px;
            border: 1px solid #d8e0e8;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: all .25s;
            background: #fff;
        }
        .faq-side-card .form-field input:focus,
        .faq-side-card .form-field textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 123, 148, .15);
        }
        .faq-side-card .form-field textarea { resize: vertical; min-height: 80px; }
        .faq-side-card .btn { width: 100%; }
        .faq-side-card .fs-success { font-size: 13px; color: var(--teal); background: var(--teal-light); border-radius: 10px; padding: 10px 14px; line-height: 1.6; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 70%, var(--primary) 100%);
            color: #fff;
            text-align: center;
            padding: 100px 0;
        }
        .cta-section h2 { font-size: 32px; font-weight: 700; color: #fff; letter-spacing: -.5px; margin-bottom: 16px; line-height: 1.3; }
        .cta-section .cta-desc { font-size: 16px; color: rgba(255, 255, 255, .8); max-width: 560px; margin: 0 auto 36px; line-height: 1.8; }
        .cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
        .cta-badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
        .cta-badges span {
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 999px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, .06);
        }

        /* ===== Footer ===== */
        .footer-site { background: #f4f6f8; padding: 64px 0 0; }
        .footer-inner { display: grid; grid-template-columns: 1.4fr .9fr 1fr; gap: 48px; padding-bottom: 48px; }
        .footer-brand .fb-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
        .footer-brand .fb-logo .logo-text { font-size: 18px; }
        .footer-brand p { font-size: 14px; color: var(--text-2); line-height: 1.75; margin-bottom: 0; }
        .footer-note { font-size: 12px; color: var(--text-3); display: block; margin-top: 6px; }
        .footer-col h5 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 14px; }
        .footer-col ul { list-style: none; margin: 0; padding: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul a { font-size: 14px; color: var(--text-2); transition: color .25s; }
        .footer-col ul a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid #e2e7ec;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p { font-size: 13px; color: var(--text-3); margin-bottom: 0; }
        .footer-bottom a { color: var(--text-3); font-size: 13px; }
        .footer-bottom a:hover { color: var(--primary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1023.98px) {
            .dock-menu, .dock-search { display: none; }
            .hamburger { display: flex; }
            .dock-nav { border-radius: 24px; padding: 10px 16px; }
            .btn-dock { display: inline-flex; }
            .section-padding { padding: 80px 0; }
            .steps-wrap { flex-direction: column; }
            .compare-wrap { flex-direction: column; }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
            .whitepaper-card { max-width: 100%; margin-left: 0; }
            .hero-left h1 { font-size: 34px; }
        }

        @media (max-width: 639.98px) {
            .section-padding { padding: 64px 0; }
            .hero-section { padding: 116px 0 56px; }
            .hero-left h1 { font-size: 28px; }
            .hero-left .hero-desc { font-size: 15px; }
            .hero-ctas .btn { padding: 12px 20px; font-size: 14px; }
            .whitepaper-content { padding: 28px 22px; }
            .whitepaper-content h3 { font-size: 20px; }
            .wp-form { flex-direction: column; }
            .wp-form .btn { width: 100%; }
            .stats-bar { flex-direction: column; gap: 20px; padding: 28px 24px; }
            .stat-num { font-size: 30px; }
            .article-list li { padding: 16px; gap: 12px; }
            .article-list .art-arrow { display: none; }
            .share-inner { flex-direction: column; text-align: center; }
            .share-actions { justify-content: center; }
            .faq-side-card { position: static; margin-top: 32px; }
            .cta-section { padding: 72px 0; }
            .cta-section h2 { font-size: 26px; }
            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .dock-nav { top: 10px; width: calc(100% - 20px); }
            .logo-text { font-size: 15px; }
            .logo-sub { display: none; }
            .btn-dock { display: none; }
        }

        @media (prefers-reduced-motion: reduce) {
            * { transition: none !important; scroll-behavior: auto; }
        }