/* ============================================
   Home — Apple 极简 · 板块重排
   Hero → 专题 → 作品 → 自我介绍 → 经历 → 关注
   ============================================ */

/* ═══════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: -10% 0 -10% 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 120%;
  object-fit: cover;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.6) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-top: -4vh;
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--space-4);
  animation: hero-rise 1.2s var(--ease-apple) both;
}

.hero__subtitle {
  font-size: var(--text-h3);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  animation: hero-rise 1.2s 0.12s var(--ease-apple) both;
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(64px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 向下滚动 */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  cursor: pointer;
  animation: hero-rise 1.2s 0.5s var(--ease-apple) both;
}

.scroll-indicator__line {
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
  position: relative;
  overflow: hidden;
}

.scroll-indicator__line::after {
  content: '';
  position: absolute;
  top: -80%;
  left: 0;
  width: 100%;
  height: 80%;
  background: rgba(255,255,255,0.45);
  animation: scroll-dot 3s var(--ease-apple) infinite;
}

@keyframes scroll-dot {
  0% { top: -80%; }
  60% { top: 100%; }
  100% { top: 100%; }
}


/* ═══════════════════════════════════════════
   Collections (第二屏) — 紧凑卡片
   ═══════════════════════════════════════════ */
.collections {
  padding-block: var(--space-10);
}

.collections__header {
  padding-inline: var(--space-6);
  max-width: 1200px;
  margin-inline: auto;
  margin-bottom: var(--space-7);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.collections__header h2 {
  font-weight: 600;
}

.collections__view-all {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
  transition: color var(--duration-fast) ease;
  padding-bottom: 2px;
}

.collections__view-all:hover { color: var(--color-text); }

/* 首页专题网格 — 3 列 */
.collections-grid-home {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  padding-inline: var(--space-6);
  max-width: 1200px;
  margin-inline: auto;
}

/* 卡片 */
.collection-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform var(--duration-base) var(--ease-apple);
}

.collection-card:hover {
  transform: scale(0.97);
}

.collection-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform var(--duration-slow) var(--ease-apple);
}

.collection-card:hover img {
  transform: scale(1.06);
}

.collection-card__overlay {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
}

.collection-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-5) var(--space-5);
}

.collection-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 2px;
}

.collection-card__meta {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════
   Gallery (第三屏) — 精选作品
   ═══════════════════════════════════════════ */
.gallery-strip {
  padding-inline: var(--space-6);
  padding-top: var(--space-11);
  padding-bottom: var(--space-10);
}

.gallery-strip__header {
  max-width: 1200px;
  margin-inline: auto;
  margin-bottom: var(--space-7);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.gallery-strip__header h2 {
  font-weight: 600;
}

/* 横向滚动 */
.gallery-scroll {
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.gallery-scroll:active { cursor: grabbing; }

.gallery-scroll__track {
  display: flex;
  gap: var(--space-4);
  padding-inline: var(--space-6);
  will-change: transform;
}

.gallery-scroll__item {
  flex-shrink: 0;
  width: min(55vw, 520px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-apple);
}

.gallery-scroll__item:hover { transform: translateY(-4px); }

.gallery-scroll__item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform var(--duration-slow) var(--ease-apple);
}

.gallery-scroll__item:hover img { transform: scale(1.04); }

.gallery-scroll__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-1);
}

.gallery-scroll__title {
  font-size: var(--text-small);
  font-weight: 500;
}

.gallery-scroll__location {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════
   Intro (第四屏) — 自我介绍 (移到这里)
   ═══════════════════════════════════════════ */
.intro {
  padding-inline: var(--space-6);
}

.intro__grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: var(--space-9);
  align-items: center;
  max-width: 1100px;
  margin-inline: auto;
  width: 100%;
}

.intro__image {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.intro__image img {
  border-radius: var(--radius-lg);
}

.intro__label {
  margin-bottom: var(--space-4);
}

.intro__text h2 {
  margin-bottom: var(--space-5);
  font-weight: 600;
}

.intro__desc {
  margin-bottom: var(--space-4);
  max-width: 400px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.intro__stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.intro__stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  display: block;
  line-height: 1;
  margin-bottom: 2px;
}

.intro__stat-label {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════
   About Timeline (第五屏)
   ═══════════════════════════════════════════ */
.about-preview {
  padding-inline: var(--space-6);
}

.about-preview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: center;
  max-width: 1100px;
  margin-inline: auto;
  width: 100%;
}

.about-preview__text > p:first-of-type {
  margin-bottom: var(--space-4);
}

.about-preview__text h2 {
  margin-bottom: var(--space-8);
  font-weight: 600;
}

.about-preview__image {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.about-preview__image img {
  border-radius: var(--radius-xl);
}

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 28px;
  margin-bottom: var(--space-5);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: rgba(255,255,255,0.1);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-5);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid rgba(255,255,255,0.2);
  transition: background var(--duration-base) var(--ease-apple),
              border-color var(--duration-base) var(--ease-apple);
}

.timeline-item:hover::before {
  background: #fff;
  border-color: #fff;
}

.timeline-item__year {
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-tertiary);
  display: block;
  margin-bottom: 2px;
}

.timeline-item p {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.about-preview__text .link-underline {
  margin-top: var(--space-3);
}


/* ═══════════════════════════════════════════
   Social (第六屏)
   ═══════════════════════════════════════════ */
.social-preview {
  padding-inline: var(--space-6);
}

.social-preview__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.social-preview__header p {
  margin-bottom: var(--space-2);
}

.social-preview__header h2 {
  font-weight: 600;
}

.social-preview__grid {
  max-width: 1000px;
  margin-inline: auto;
}

.social-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  transition: transform var(--duration-base) var(--ease-spring),
              border-color var(--duration-base) var(--ease-apple),
              background var(--duration-base) var(--ease-apple),
              box-shadow var(--duration-base) var(--ease-apple);
}

.social-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  background: var(--color-glass-hover);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
}

.social-card__platform {
  display: block;
  margin-bottom: var(--space-3);
}

.social-card__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}

.social-card__desc {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */
.footer {
  text-align: center;
  padding-block: var(--space-9) var(--space-5);
}

.footer__line {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.08);
  margin: 0 auto var(--space-4);
}

.footer p {
  color: var(--color-text-tertiary);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}