/* ============================================================
   高端大气页面布局系统
   配色：深墨绿(#0f2e1f) + 香槟金(#c9a962)
   设计：大气留白 · 专业B端 · 精致装饰
   ============================================================ */

/* === 1. 栅格系统 === */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.split-layout {
  display: flex;
  align-items: center;
  gap: 80px;
}

.split-layout > * {
  flex: 1;
  min-width: 0;
}

.split-layout.reverse {
  flex-direction: row-reverse;
}

/* === 2. Section Header 模块 === */

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
}

.section-header h2 {
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--gradient-gold);
  border-radius: 2px;
}

.section-header .section-desc {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  max-width: 640px;
  margin: var(--space-md) auto 0;
  line-height: 1.9;
}

.section-dark .section-header .section-desc {
  color: var(--text-on-dark-muted);
}

/* === 3. Hero 首屏 === */

.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: #fff;
  padding-top: var(--nav-height, 80px);
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.12) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 74, 50, 0.8) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

.hero-deco-line-1,
.hero-deco-line-2 {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.4), transparent);
  pointer-events: none;
  z-index: 1;
}

.hero-deco-line-1 {
  top: 22%;
  right: 0;
  width: 280px;
}

.hero-deco-line-2 {
  bottom: 28%;
  left: 0;
  width: 200px;
}

.hero-deco-corner {
  position: absolute;
  width: 80px;
  height: 80px;
  border: 1px solid rgba(201, 169, 98, 0.2);
  pointer-events: none;
  z-index: 1;
}

.hero-deco-corner.top-left {
  top: 10%;
  left: 5%;
  border-right: none;
  border-bottom: none;
}

.hero-deco-corner.bottom-right {
  bottom: 10%;
  right: 5%;
  border-left: none;
  border-top: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(201, 169, 98, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(201, 169, 98, 0.35);
  border-radius: var(--radius-full);
  padding: 12px 28px;
  margin-bottom: 36px;
  position: relative;
}

.hero-badge::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.4), transparent, rgba(201, 169, 98, 0.2));
  z-index: -1;
}

.hero-badge-dot {
  width: 10px;
  height: 10px;
  background: var(--gold-bright);
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(232, 212, 160, 0.8);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(232, 212, 160, 0.6); }
  50% { box-shadow: 0 0 24px rgba(232, 212, 160, 1); }
}

.hero-badge-text {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--gold-light);
  font-weight: 700;
  letter-spacing: 0.15em;
}

.hero-title {
  color: #ffffff;
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  margin-bottom: 28px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.hero-title .gold {
  background: linear-gradient(135deg, #f0e2be 0%, #e8d4a0 25%, #c9a962 50%, #a8863d 75%, #c9a962 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gold-shine 4s linear infinite;
}

@keyframes gold-shine {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 19px;
  margin-bottom: 24px;
  line-height: 1.9;
  font-weight: 400;
  max-width: 560px;
}

.hero-subtitle strong {
  color: #fff;
  font-weight: 700;
}

.hero-quote {
  color: var(--gold-light);
  font-size: 17px;
  font-family: var(--font-display);
  margin-bottom: 20px;
  font-weight: 600;
  line-height: 1.8;
  font-style: italic;
}

.hero-author {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  margin-bottom: 48px;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
}

.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.hero-stats::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, #c9a962, transparent);
}

.hero-stat {
  position: relative;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  background: linear-gradient(135deg, #f0e2be, #c9a962);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.hero-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

.hero-figure-wrap {
  position: relative;
  text-align: center;
}

.hero-figure-wrap .hero-portrait {
  max-width: 440px;
  margin: 0 auto;
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.5));
  position: relative;
  z-index: 2;
}

.hero-figure-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.2) 0%, transparent 65%);
  border-radius: 50%;
  z-index: 1;
  animation: glow-pulse 5s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.hero-figure-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  height: 480px;
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: 50%;
  z-index: 0;
}

.hero-figure-ring::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border: 1px solid transparent;
  border-top-color: rgba(201, 169, 98, 0.4);
  border-radius: 50%;
  animation: ring-rotate 8s linear infinite;
}

@keyframes ring-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-figure-caption {
  margin-top: 28px;
  font-family: var(--font-display);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.12em;
}

.hero-figure-caption strong {
  color: var(--gold-light);
  font-weight: 700;
}

.hero-float {
  animation: hero-float 7s ease-in-out infinite;
}

@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-24px); }
}

/* === 4. 三个帮核心区 === */

.three-help-section {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.three-help-section .section-header .section-label {
  display: block;
  margin: 0 auto var(--space-md);
  width: fit-content;
}

.three-help-section .section-header h2 {
  display: block;
}

.section-light .section-header .section-label {
  display: block;
  margin: 0 auto var(--space-md);
  width: fit-content;
}

.section-light .section-header h2 {
  display: block;
}

.three-help-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.4), transparent);
}

.three-help-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.4), transparent);
}

.three-help-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.help-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.help-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #c9a962, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.help-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201, 169, 98, 0.35);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.help-card:hover::before {
  opacity: 1;
}

.help-card.featured {
  transform: scale(1.05);
  background: linear-gradient(160deg, rgba(201, 169, 98, 0.12) 0%, rgba(255, 255, 255, 0.03) 100%);
  border-color: rgba(201, 169, 98, 0.4);
  box-shadow: 0 20px 50px rgba(201, 169, 98, 0.15);
}

.help-card.featured::before {
  opacity: 1;
  background: linear-gradient(90deg, transparent, #e8d4a0, transparent);
}

.help-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.help-card-number {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.3), rgba(201, 169, 98, 0.1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 20px;
  font-style: italic;
}

.help-card-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.15), rgba(201, 169, 98, 0.05));
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
}

.help-card-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
}

.help-card-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.4;
}

.help-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.help-card-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.7;
}

.help-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: #c9a962;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(201, 169, 98, 0.5);
}

/* === 5. section-feature-header 图文并排 === */

.section-feature-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.section-feature-header-flip {
  direction: rtl;
}

.section-feature-header-flip > * {
  direction: ltr;
}

.section-feature-figure {
  text-align: center;
  position: relative;
}

.section-feature-figure::before {
  content: '';
  position: absolute;
  top: 20px;
  right: 20px;
  left: -20px;
  bottom: -20px;
  border: 2px solid rgba(201, 169, 98, 0.2);
  border-radius: 24px;
  z-index: -1;
}

.section-feature-figure::after {
  content: '';
  position: absolute;
  top: -20px;
  left: 20px;
  right: -20px;
  bottom: 20px;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.08), transparent);
  border-radius: 24px;
  z-index: -2;
}

.section-feature-img {
  max-width: 100%;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(15, 46, 31, 0.15);
  border: 1px solid rgba(201, 169, 98, 0.2);
  display: block;
  position: relative;
  z-index: 1;
}

.section-feature-header .section-header {
  text-align: left;
  margin-bottom: 0;
}

.section-feature-header .section-header h2 {
  text-align: left;
}

.section-feature-header .section-header h2::after {
  left: 0;
  transform: none;
}

.section-feature-header .section-desc {
  margin-left: 0;
  margin-right: auto;
  text-align: left;
  max-width: none;
}

.section-feature-header .section-label {
  margin-left: 0;
}

/* === 6. 优势/特点卡片 === */

.advantage-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.advantage-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  position: relative;
  border: 1px solid rgba(15, 46, 31, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.advantage-card::before {
  content: attr(data-num);
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 900;
  color: #c9a962;
  opacity: 0.08;
  line-height: 1;
  font-style: italic;
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(15, 46, 31, 0.12);
  border-color: rgba(201, 169, 98, 0.3);
}

.advantage-card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.12), rgba(201, 169, 98, 0.04));
  border: 1px solid rgba(201, 169, 98, 0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
  position: relative;
  z-index: 1;
}

.advantage-card-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
}

.advantage-card-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 16px;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

.advantage-card-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  position: relative;
  z-index: 1;
}

/* === 7. 服务流程步骤 === */

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 44px 32px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(15, 46, 31, 0.04);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top center, rgba(201, 169, 98, 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 56px rgba(15, 46, 31, 0.12),
              0 8px 24px rgba(201, 169, 98, 0.08);
  border-color: var(--border-gold);
}

.step-card:hover::before {
  transform: scaleX(1);
}

.step-card:hover::after {
  opacity: 1;
}

.step-num {
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: 900;
  color: var(--gold);
  opacity: 0.08;
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 24px;
  font-style: italic;
  z-index: 0;
}

.step-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  position: relative;
  z-index: 1;
  box-shadow: 0 12px 28px rgba(15, 46, 31, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-card:hover .step-icon {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 16px 36px rgba(15, 46, 31, 0.25);
}

.step-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 22px;
  background: linear-gradient(135deg, #c9a962, #e8d4a0);
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity 0.4s ease;
}

.step-card:hover .step-icon::after {
  opacity: 0.4;
}

.step-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
}

.step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.step-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  position: relative;
  z-index: 1;
  margin: 0;
}

/* === 8. 客户案例 === */

.client-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-simple-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.case-simple-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-simple-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(15, 46, 31, 0.12);
  border-color: var(--border-gold);
}

.case-simple-card:hover::before {
  transform: scaleX(1);
}

.case-avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--gold-light);
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 4px 12px rgba(15, 46, 31, 0.15);
}

.case-avatar::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(135deg, #c9a962, #e8d4a0);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-simple-card:hover .case-avatar::after {
  opacity: 0.5;
}

.case-info {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.case-company {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
}

.case-industry {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin: 0;
}

.case-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--gold-soft);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-gold);
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: 0.03em;
}

.case-status-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: case-status-pulse 2s ease-in-out infinite;
}

@keyframes case-status-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(201, 169, 98, 0.4);
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 6px rgba(201, 169, 98, 0);
  }
}

/* === 9. 金句/引用区 === */

.quote-feature-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
}

.quote-feature-text {
  position: relative;
  padding: 40px 0 40px 56px;
}

.quote-feature-text::before {
  content: '"';
  position: absolute;
  top: 0;
  left: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 160px;
  font-weight: 900;
  color: #c9a962;
  opacity: 0.12;
  line-height: 0.8;
  font-style: italic;
}

.quote-feature-text::after {
  content: '';
  position: absolute;
  left: 0;
  top: 40px;
  bottom: 40px;
  width: 3px;
  background: linear-gradient(180deg, #c9a962, rgba(201, 169, 98, 0.3));
  border-radius: 2px;
}

.quote-feature-text p:first-child {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 600;
  line-height: 1.8;
  margin: 0 0 32px 0;
  color: #fff;
  position: relative;
  z-index: 1;
  letter-spacing: 0.01em;
}

.quote-feature-text p:first-child .gold {
  font-weight: 700;
}

.quote-feature-text p:last-child {
  color: var(--text-on-dark-muted);
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.08em;
  font-family: var(--font-display);
  padding-left: 20px;
  position: relative;
}

.quote-feature-text p:last-child::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 1px;
  background: linear-gradient(90deg, #c9a962, transparent);
}

.quote-feature-figure {
  text-align: center;
  position: relative;
}

.quote-feature-figure::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 340px;
  height: 340px;
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: 50%;
}

.quote-feature-figure::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  border: 1px dashed rgba(201, 169, 98, 0.2);
  border-radius: 50%;
  animation: quote-ring-spin 30s linear infinite;
}

@keyframes quote-ring-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.quote-feature-img {
  max-width: 240px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 50%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3),
              0 0 0 4px rgba(201, 169, 98, 0.2),
              0 0 0 8px rgba(201, 169, 98, 0.1);
  position: relative;
  z-index: 1;
  border: 3px solid rgba(201, 169, 98, 0.3);
  padding: 4px;
  background: var(--gradient-hero);
}

/* === 10. 工具展示区 === */

.tools-section-header {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 64px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.tools-section-text {
  text-align: left;
}

.tools-section-text .section-label {
  margin-left: 0;
}

.tools-section-text .section-header {
  text-align: left;
  margin-bottom: 0;
}

.tools-section-text .section-header h2 {
  text-align: left;
}

.tools-section-text .section-header h2::after {
  left: 0;
  transform: none;
}

.tools-section-text .section-desc {
  text-align: left;
  margin-left: 0;
  max-width: none;
}

.tools-section-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.tools-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(201, 169, 98, 0.08);
  border: 1px solid rgba(201, 169, 98, 0.25);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--brand-primary);
  transition: all 0.3s ease;
}

.tools-tag:hover {
  background: rgba(201, 169, 98, 0.15);
  border-color: rgba(201, 169, 98, 0.4);
}

.tools-section-figure {
  text-align: center;
}

.tools-section-portrait {
  max-width: 280px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 16px 40px rgba(15, 46, 31, 0.15));
  animation: float-y 6s ease-in-out infinite;
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.tools-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.tool-showcase-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(15, 46, 31, 0.04);
}

.tool-showcase-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 32px 64px rgba(15, 46, 31, 0.14),
              0 8px 24px rgba(201, 169, 98, 0.08);
  border-color: var(--border-gold);
}

.tool-browser {
  background: #faf8f3;
  border-bottom: 1px solid rgba(15, 46, 31, 0.06);
  position: relative;
}

.tool-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: linear-gradient(180deg, #f8f4eb 0%, #f0eadd 100%);
  border-bottom: 1px solid rgba(15, 46, 31, 0.08);
  position: relative;
}

.tool-browser-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}

.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}

.dot::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 3px;
  width: 4px;
  height: 3px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.dot-r { background: #ff5f57; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #28c840; }

.tool-browser-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  color: #6a6a5a;
  background: rgba(255, 255, 255, 0.9);
  padding: 5px 18px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06),
              inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.tool-browser-body {
  background: linear-gradient(135deg, #fdfcfa 0%, #f8f5ee 100%);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}

.tool-browser-body::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.tool-browser-body::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -20%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(15, 46, 31, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.tool-shot {
  max-width: 100%;
  max-height: 240px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  display: block;
  box-shadow: 0 16px 40px rgba(15, 46, 31, 0.12),
              0 4px 12px rgba(15, 46, 31, 0.06);
  position: relative;
  z-index: 1;
  transition: transform 0.5s var(--ease-elegant);
}

.tool-showcase-card:hover .tool-shot {
  transform: translateY(-4px) scale(1.02);
}

.tool-meta {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
}

.tool-meta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.tool-tagline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  text-transform: uppercase;
  color: var(--gold-dark);
}

.tool-tag-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(201, 169, 98, 0.6);
}

.tool-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.tool-desc {
  color: var(--text-secondary);
  line-height: 1.85;
  font-size: 15px;
  flex: 1;
  margin: 0 0 24px 0;
}

.tool-actions {
  margin-top: auto;
}

/* === AI工具生态展示区 === */

.ai-tools-ecosystem {
  margin-top: var(--space-2xl);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--gradient-dark-card);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-gold);
  position: relative;
  overflow: hidden;
}

.ai-tools-ecosystem::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.ai-tools-ecosystem-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.ai-tools-ecosystem-header .ecosystem-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-sm);
}

.ai-tools-ecosystem-header .ecosystem-label::before,
.ai-tools-ecosystem-header .ecosystem-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gradient-gold);
}

.ai-tools-ecosystem-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--text-on-dark);
  margin: 0 0 var(--space-sm) 0;
  letter-spacing: -0.01em;
}

.ai-tools-ecosystem-header p {
  color: var(--text-on-dark-muted);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.ai-tools-category {
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.ai-tools-category:last-child {
  margin-bottom: 0;
}

.ai-tools-category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-on-dark-faint);
}

.ai-tools-category-title::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: 1px;
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.ai-tool-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(201, 169, 98, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 20px 24px;
  text-align: center;
  transition: all 0.4s var(--ease-elegant);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.ai-tool-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--tool-color, var(--gold));
  opacity: 0.6;
  transition: opacity 0.4s var(--ease-elegant);
}

.ai-tool-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(201, 169, 98, 0.25);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--tool-glow, rgba(201, 169, 98, 0.1));
}

.ai-tool-item:hover::before {
  opacity: 1;
}

.ai-tool-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  background: var(--tool-color, var(--gold));
  box-shadow: 0 4px 16px var(--tool-glow, rgba(201, 169, 98, 0.3));
  position: relative;
  overflow: hidden;
}

.ai-tool-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s var(--ease-elegant);
}

.ai-tool-item:hover .ai-tool-icon::after {
  left: 100%;
}

.ai-tool-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-on-dark);
  margin: 0 0 6px 0;
  line-height: 1.3;
}

.ai-tool-desc {
  font-size: var(--text-xs);
  color: var(--text-on-dark-faint);
  line-height: 1.6;
  margin: 0;
}

.ai-tool-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-top: 10px;
  background: rgba(201, 169, 98, 0.1);
  color: var(--gold);
  border: 1px solid rgba(201, 169, 98, 0.2);
}

@media (max-width: 1024px) {
  .ai-tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .ai-tools-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .ai-tool-item {
    padding: 20px 14px 18px;
  }

  .ai-tool-icon {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .ai-tools-ecosystem {
    padding: var(--space-xl) var(--space-md);
  }
}

/* === 11. CTA 价格区 === */

.cta-section {
  background: var(--gradient-hero);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #c9a962, transparent);
}

.cta-premium {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  padding: 48px;
  background: linear-gradient(160deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(201, 169, 98, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.cta-premium::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: 2px;
}

.cta-premium-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 169, 98, 0.15);
  border: 1px solid rgba(201, 169, 98, 0.4);
  border-radius: var(--radius-full);
  padding: 10px 28px;
  font-size: 13px;
  margin-bottom: 32px;
  letter-spacing: 0.12em;
  color: var(--gold-light);
  font-weight: 700;
  font-family: var(--font-display);
  box-shadow: 0 4px 16px rgba(201, 169, 98, 0.15);
}

.cta-premium h2 {
  color: #fff;
  margin-bottom: 20px;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.01em;
}

.cta-price-row {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  margin-bottom: 40px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px 0;
  position: relative;
}

.cta-price-row::before,
.cta-price-row::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.3));
}

.cta-price-row::before {
  left: calc(50% - 200px);
}

.cta-price-row::after {
  right: calc(50% - 200px);
  background: linear-gradient(90deg, rgba(201, 169, 98, 0.3), transparent);
}

.cta-price {
  color: var(--gold-bright);
  font-size: 64px;
  font-weight: 900;
  font-family: var(--font-display);
  background: linear-gradient(135deg, #f5e9c8 0%, #e8d4a0 25%, #c9a962 50%, #a8863d 75%, #c9a962 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  animation: price-shine 3s linear infinite;
  text-shadow: 0 0 40px rgba(201, 169, 98, 0.3);
  position: relative;
}

@keyframes price-shine {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.cta-price-unit {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}

.cta-price-original {
  opacity: 0.4;
  text-decoration: line-through;
  font-size: 22px;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
  font-family: var(--font-display);
}

.cta-desc {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 40px;
  line-height: 1.9;
  font-size: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-promises {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 580px;
  margin: 0 auto 40px;
}

.cta-promise {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 18px 16px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: all 0.3s ease;
}

.cta-promise:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(201, 169, 98, 0.4);
  transform: translateY(-2px);
}

.cta-promise::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  background: var(--gradient-gold);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f2e1f' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 13px 13px;
  background-repeat: no-repeat;
  background-position: center;
  box-shadow: 0 2px 8px rgba(201, 169, 98, 0.3);
}

.cta-promise span {
  display: block;
  font-size: 13px;
  opacity: 0.65;
  font-weight: 400;
  margin-top: 4px;
}

.cta-premium .btn-primary {
  padding: 20px 56px;
  font-size: 18px;
  box-shadow: 0 8px 32px rgba(201, 169, 98, 0.35);
}

/* === 12. 页面头部 page-header === */

.page-header {
  background: var(--gradient-hero);
  color: #fff;
  padding: calc(var(--nav-height, 80px) + 80px) 0 100px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.1) 0%, transparent 65%);
  pointer-events: none;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.4), transparent);
}

.page-header h1 {
  color: #fff;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.page-header .page-header-desc {
  color: var(--text-on-dark-muted);
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  line-height: 1.9;
}

/* === 13. 响应式布局 === */

/* 平板 (768-1199px) */
@media (max-width: 1199px) {
  .container {
    padding: 0 28px;
  }

  .section {
    padding: 96px 0;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .split-layout {
    gap: 56px;
  }

  .three-help-cards {
    gap: 24px;
  }

  .help-card {
    padding: 36px 28px;
  }

  .help-card.featured {
    transform: none;
  }

  .help-card.featured:hover {
    transform: translateY(-8px);
  }

  .section-feature-header {
    gap: 56px;
  }

  .advantage-cards,
  .process-steps,
  .client-cards,
  .case-simple-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .quote-feature-row {
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
  }

  .tools-section-header {
    gap: 56px;
  }

  .tools-showcase {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
  }

  .footer-grid > div:last-child {
    grid-column: 1 / -1;
  }
}

/* 手机 (＜768px) */
@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .split-layout {
    flex-direction: column;
    gap: 48px;
  }

  .split-layout.reverse {
    flex-direction: column;
  }

  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }

  .page:not(#page-home) {
    padding-top: calc(var(--nav-height, 72px) + 24px);
  }

  /* Hero 响应式 */
  .hero {
    min-height: auto;
    padding: calc(var(--nav-height, 72px) + 60px) 0 80px;
  }

  .hero-deco-line-1,
  .hero-deco-line-2,
  .hero-deco-corner,
  .hero-figure-ring {
    display: none;
  }

  .hero-badge {
    padding: 10px 20px;
    margin-bottom: 28px;
  }

  .hero-badge-text {
    font-size: 13px;
    letter-spacing: 0.1em;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.75rem);
    margin-bottom: 20px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    gap: 14px;
  }

  .hero-stats {
    gap: 32px;
    margin-top: 48px;
    padding-top: 28px;
    flex-wrap: wrap;
  }

  .hero-stat-num {
    font-size: 32px;
  }

  .hero-figure-wrap .hero-portrait {
    max-width: 280px;
  }

  .hero-figure-glow {
    width: 280px;
    height: 280px;
  }

  .hero-particles {
    display: none !important;
  }

  /* 三个帮核心区 */
  .three-help-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .help-card,
  .help-card.featured {
    padding: 32px 24px;
  }

  .help-card-number {
    font-size: 56px;
  }

  .help-card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
  }

  .help-card-title {
    font-size: 20px;
  }

  /* section-feature-header */
  .section-feature-header,
  .section-feature-header-flip {
    grid-template-columns: 1fr;
    gap: 40px;
    direction: ltr;
  }

  .section-feature-header .section-header,
  .section-feature-header .section-header h2,
  .section-feature-header .section-desc {
    text-align: center;
  }

  .section-feature-header .section-header h2::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .section-feature-header .section-label {
    margin-left: auto;
    margin-right: auto;
  }

  .section-feature-figure::before,
  .section-feature-figure::after {
    display: none;
  }

  /* 优势/特点卡片 */
  .advantage-cards,
  .process-steps,
  .client-cards,
  .case-simple-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .advantage-card,
  .step-card {
    padding: 36px 28px;
  }

  .advantage-card::before {
    font-size: 72px;
  }

  .step-num {
    font-size: 56px;
  }

  .step-icon {
    width: 60px;
    height: 60px;
  }

  .client-card {
    padding: 24px 20px;
  }

  .client-avatar {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  /* 金句区 */
  .quote-feature-row {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .quote-feature-text {
    padding-left: 0;
  }

  .quote-feature-text::before {
    font-size: 100px;
    left: 50%;
    transform: translateX(-50%);
    top: -10px;
  }

  .quote-feature-text p:first-child {
    font-size: 1.5rem;
  }

  .quote-feature-figure::before {
    width: 240px;
    height: 240px;
  }

  .quote-feature-img {
    max-width: 200px;
  }

  /* 工具展示区 */
  .tools-section-header {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .tools-section-text,
  .tools-section-text .section-header,
  .tools-section-text .section-header h2,
  .tools-section-text .section-desc {
    text-align: center;
  }

  .tools-section-text .section-header h2::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .tools-section-text .section-label {
    margin-left: auto;
    margin-right: auto;
  }

  .tools-section-tags {
    justify-content: center;
  }

  .tools-section-portrait {
    max-width: 220px;
  }

  .tool-showcase-card {
    gap: 0;
  }

  .tool-browser-body {
    min-height: 200px;
    padding: 16px;
  }

  .tool-shot {
    max-height: 180px;
  }

  .tool-meta {
    padding: 28px 24px;
  }

  .tool-name {
    font-size: 20px;
  }

  /* CTA 价格区 */
  .cta-premium {
    padding: 32px 24px;
  }

  .cta-premium h2 {
    font-size: 24px;
  }

  .cta-price-row {
    flex-direction: column;
    gap: 8px;
    align-items: center;
    padding: 16px 0;
  }

  .cta-price-row::before,
  .cta-price-row::after {
    display: none;
  }

  .cta-price {
    font-size: 44px;
  }

  .cta-promises {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cta-promise {
    padding: 16px 14px;
  }

  .cta-premium .btn-primary {
    padding: 16px 40px;
    font-size: 16px;
  }

  /* page-header */
  .page-header {
    padding: calc(var(--nav-height, 72px) + 60px) 0 72px;
  }

  .page-header-desc {
    font-size: 15px;
  }
}

/* 极小屏幕 (＜480px) */
@media (max-width: 479px) {
  .container {
    padding: 0 16px;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-num {
    font-size: 28px;
  }

  .client-cards {
    gap: 16px;
  }

  .cta-promises {
    gap: 10px;
  }
}