/* ==========================================================================
   方法论页
   ========================================================================== */

/* ---------- 介绍 ---------- */
.method-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

@media (max-width: 1024px) {
  .method-intro-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

.method-intro-text .h2 {
  margin-bottom: 24px;
}

.method-intro-text .h2 em {
  font-style: italic;
  font-family: var(--font-display);
  color: var(--color-gold-deep);
  font-weight: 400;
  font-size: 0.7em;
  display: block;
  margin-top: 4px;
}

.method-intro-text .body-lg {
  font-size: var(--fs-md);
  line-height: 1.85;
  margin-bottom: 24px;
}

.method-intro-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.method-system-vis {
  position: relative;
  width: 400px;
  height: 400px;
}

.system-circle-outer {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: rotate 60s linear infinite;
}

.system-circle-outer::before {
  content: "STRATEGY · CREATIVE · EXECUTION · INSIGHT";
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--color-gold-deep);
}

.system-circle-inner {
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: var(--color-bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rotate 60s linear infinite reverse;
}

.system-center {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-bg);
  text-align: center;
  letter-spacing: var(--tracking-wider);
  font-style: italic;
}

/* ---------- 阶段详情 ---------- */
.method-detail-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding: 60px 0;
  border-bottom: 1px solid var(--color-line);
}

@media (max-width: 1024px) {
  .method-detail-item {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.method-detail-item:last-child {
  border-bottom: none;
}

.method-detail-side {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.method-detail-number {
  font-family: var(--font-display);
  font-size: clamp(80px, 8vw, 120px);
  font-weight: 500;
  font-style: italic;
  color: var(--color-gold-deep);
  line-height: 0.9;
  margin-bottom: 16px;
}

.method-detail-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 8px;
  letter-spacing: var(--tracking-tight);
}

.method-detail-subtitle {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.method-detail-content .body-lg {
  font-size: var(--fs-md);
  line-height: 1.85;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
}

.method-detail-content .body-lg strong {
  color: var(--color-ink);
  font-weight: 500;
}

.method-dimensions {
  margin-bottom: 32px;
}

.method-dimensions h4,
.method-deliverables h4 {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold-deep);
  margin-bottom: 16px;
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 1024px) {
  .dimension-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .dimension-grid {
    grid-template-columns: 1fr;
  }
}

.dimension-card {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  transition: all var(--duration-base) var(--ease-out);
}

.dimension-card:hover {
  border-color: var(--color-gold);
}

.dimension-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.dimension-card p {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  line-height: 1.6;
}

.method-deliverables ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

@media (max-width: 640px) {
  .method-deliverables ul {
    grid-template-columns: 1fr;
  }
}

.method-deliverables li {
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding-left: 20px;
  position: relative;
}

.method-deliverables li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-gold-deep);
}

/* ---------- 工作原则 ---------- */
.principles-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

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

@media (max-width: 640px) {
  .principles-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.principle-item {
  background: var(--color-surface);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--color-line);
  position: relative;
  transition: all var(--duration-base) var(--ease-out);
}

.principle-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.principle-quote {
  font-family: var(--font-display);
  font-size: 60px;
  line-height: 0.6;
  color: var(--color-gold);
  opacity: 0.3;
  margin-bottom: 8px;
}

.principle-item h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.principle-item p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.7;
}

/* ---------- 创始人寄语 ---------- */
.message-inner {
  background: var(--color-ink);
  color: var(--color-cream);
  padding: 80px 60px;
  border-radius: var(--radius-xl);
  text-align: center;
}

@media (max-width: 640px) {
  .message-inner {
    padding: 60px 32px;
  }
}

.message-inner .eyebrow {
  color: var(--color-gold);
  justify-content: center;
}

.message-text {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.7;
  font-style: italic;
  color: var(--color-bg);
  margin: 32px 0;
}

.message-text strong {
  color: var(--color-gold);
  font-weight: 500;
  font-style: normal;
}

.message-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: var(--fs-sm);
  color: rgba(245, 239, 230, 0.7);
}

.message-author strong {
  color: var(--color-bg);
  font-weight: 500;
  font-size: var(--fs-base);
}