/* ============================================
   Solutions Page - 成交型重构
   ============================================ */

/* ===== Hero ===== */
.solutions-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #0B0F14 0%, #111827 50%, #0d1f3c 100%);
  overflow: hidden;
}
.solutions-hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.15;
  background-image: linear-gradient(rgba(0,229,255,0.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,229,255,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.solutions-hero__svg {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.25;
  pointer-events: none;
}
.solutions-hero__content {
  position: relative;
  z-index: 5;
  padding: 80px 0 60px;
}
.solutions-hero__eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-cyan, #00E5FF);
  margin-bottom: 16px;
  font-weight: 600;
}
.solutions-hero__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  color: #FFFFFF;
  max-width: 720px;
}
.solutions-hero__subtitle {
  font-size: clamp(14px, 2vw, 18px);
  color: rgba(255,255,255,0.6);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.solutions-hero__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.solutions-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.15);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

/* ===== Solutions Grid ===== */
.solutions-grid {
  background: var(--c-bg, #0B1A2A);
}
.solutions-grid__container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--c-bg-card, #162F4A);
  border-radius: 14px;
  padding: 32px 28px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
  min-height: 420px;
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.25);
  border-color: rgba(0,229,255,0.2);
}
.solution-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,106,0,0.1);
  border-radius: 12px;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.solution-card__icon svg {
  width: 28px;
  height: 28px;
}
.solution-card__title {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}
.solution-card__problem {
  font-size: 14px;
  color: var(--c-text, #A8B3C7);
  line-height: 1.6;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.solution-card__section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-accent, #FF6A00);
  font-weight: 700;
  margin-bottom: 12px;
}
.solution-card__list {
  list-style: none;
  margin-bottom: 20px;
}
.solution-card__list li {
  font-size: 13px;
  color: var(--c-text, #A8B3C7);
  padding: 6px 0 6px 22px;
  position: relative;
  line-height: 1.5;
}
.solution-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--c-cyan, #00E5FF);
  font-weight: 700;
}
.solution-card__results {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.solution-card__results-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-cyan, #00E5FF);
  font-weight: 700;
  margin-bottom: 10px;
}
.solution-card__result {
  font-size: 13px;
  color: #FFFFFF;
  padding: 4px 0 4px 22px;
  position: relative;
}
.solution-card__result::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #22C55E;
  font-weight: 700;
}
.solution-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 10px 20px;
  background: var(--c-accent, #FF6A00);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  transition: background 0.2s;
}
.solution-card__cta:hover {
  background: var(--c-accent-h, #FF8533);
}

/* ===== Real Cases ===== */
.real-cases {
  background: var(--c-bg-light, #F5F7FA);
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-card {
  background: #FFFFFF;
  border-radius: 12px;
  padding: 28px 24px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.25s, box-shadow 0.25s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.case-card__problem {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-heading-dark, #111827);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.case-card__problem::before {
  content: '⚠';
  color: var(--c-accent, #FF6A00);
  font-size: 16px;
}
.case-card__solution {
  font-size: 14px;
  color: var(--c-text-dark, #374151);
  line-height: 1.7;
  padding-left: 26px;
  border-left: 2px solid var(--c-cyan, #00E5FF);
}
.case-card__result {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #22C55E;
}
.case-card__result::before {
  content: '✓';
  font-size: 14px;
}

/* ===== Process Flow ===== */
.process-flow {
  background: var(--c-bg, #0B1A2A);
}
.process-flow__diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 40px 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  min-width: 140px;
}
.process-step__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-card, #162F4A);
  border: 2px solid rgba(0,229,255,0.2);
  border-radius: 50%;
  transition: transform 0.3s, border-color 0.3s;
}
.process-step:hover .process-step__icon {
  transform: scale(1.1);
  border-color: var(--c-cyan, #00E5FF);
}
.process-step__icon svg {
  width: 28px;
  height: 28px;
}
.process-step__number {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 24px;
  height: 24px;
  background: var(--c-accent, #FF6A00);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.process-step__title {
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  text-align: center;
}
.process-step__desc {
  font-size: 12px;
  color: var(--c-text, #A8B3C7);
  text-align: center;
  max-width: 120px;
}
.process-arrow {
  color: var(--c-cyan, #00E5FF);
  font-size: 24px;
  opacity: 0.5;
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--c-bg-2, #11263C);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0;
}
.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.trust-bar__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,229,255,0.08);
  border-radius: 12px;
}
.trust-bar__icon svg {
  width: 24px;
  height: 24px;
}
.trust-bar__title {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}
.trust-bar__desc {
  font-size: 13px;
  color: var(--c-text, #A8B3C7);
}

/* ===== Bottom CTA ===== */
.solutions-cta {
  background: linear-gradient(160deg, #0B1A2A 0%, #11263C 50%, #0F2847 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  text-align: center;
}
.solutions-cta__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,106,0,0.08) 0%, transparent 60%),
              radial-gradient(circle at 70% 50%, rgba(0,229,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.solutions-cta__content {
  position: relative;
  z-index: 2;
}
.solutions-cta__title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.solutions-cta__desc {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.solutions-cta__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.solutions-cta__btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: var(--c-accent, #FF6A00);
  color: #FFFFFF;
  font-weight: 700;
  border-radius: 8px;
  font-size: 16px;
  transition: background 0.2s, transform 0.2s;
}
.solutions-cta__btn-primary:hover {
  background: var(--c-accent-h, #FF8533);
  transform: translateY(-2px);
}
.solutions-cta__btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  border: 2px solid rgba(255,255,255,0.25);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.2s, background 0.2s;
}
.solutions-cta__btn-outline:hover {
  border-color: var(--c-cyan, #00E5FF);
  background: rgba(0,229,255,0.08);
}

/* ===== 淡入动画 ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 移动端 ===== */
@media (max-width: 991px) {
  .solutions-hero { min-height: 420px; }
  .solutions-hero__content { padding: 60px 0 40px; }
  .solutions-grid__container { grid-template-columns: repeat(2, 1fr); }
  .solution-card { min-height: 400px; }
  .cases-grid { grid-template-columns: 1fr; }
  .process-flow__diagram { gap: 12px; }
  .process-arrow { display: none; }
  .trust-bar__grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 767px) {
  .solutions-hero { min-height: 380px; }
  .solutions-hero__badges { gap: 8px; }
  .solutions-hero__badge { padding: 6px 12px; font-size: 12px; }
  .solutions-grid__container { grid-template-columns: 1fr; }
  .solution-card { min-height: auto; padding: 24px 20px; }
  .solution-card__icon { width: 48px; height: 48px; }
  .solution-card__title { font-size: 18px; }
  .process-flow__diagram { flex-direction: column; gap: 24px; }
  .process-step { flex-direction: row; gap: 16px; text-align: left; width: 100%; }
  .process-step__icon { position: relative; }
  .process-step__info { flex: 1; }
  .trust-bar { padding: 24px 0; }
  .solutions-cta { padding: 60px 0; }
  .solutions-cta__buttons { flex-direction: column; align-items: center; }
  .solutions-cta__btn-primary,
  .solutions-cta__btn-outline { width: 100%; max-width: 320px; justify-content: center; }
}

/* 移动端固定CTA */
@media (max-width: 767px) {
  .solutions-cta__sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11,26,42,0.95);
    backdrop-filter: blur(12px);
    padding: 12px 16px;
    display: flex;
    gap: 10px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .solutions-cta__sticky .solutions-cta__btn-primary,
  .solutions-cta__sticky .solutions-cta__btn-outline {
    flex: 1;
    text-align: center;
    padding: 12px 16px;
    font-size: 14px;
  }
  .solutions-cta { padding-bottom: 100px; }
}