:root {
  --black:    #111;
  --dark:     #333;
  --mid:      #777;
  --light:    #bbb;
  --border:   #e0e0e0;
  --bg-soft:  #f7f7f7;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--black);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; display: block; }

.site-header {
  text-align: center;
  padding: clamp(28px, 5vw, 56px) 16px 24px;
  border-bottom: 1px solid var(--border);
}

.site-title {
  margin: 0;
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--black);
}
.site-title .en { color: var(--dark); font-weight: 600; letter-spacing: 1px; margin-left: .25em; }

.site-sub {
  margin: 8px 0 0;
  color: var(--mid);
  font-size: clamp(12px, 2.5vw, 14px);
  letter-spacing: 1px;
}

.site-author {
  margin: 6px 0 0;
  color: var(--dark);
  font-size: clamp(13px, 2.5vw, 15px);
  letter-spacing: 1px;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(16px, 3vw, 28px);
}

/* Carousel */
.carousel {
  position: relative;
  padding: 0 clamp(44px, 6.5vw, 60px);
}

.nav {
  position: absolute;
  top: calc(clamp(260px, 50vh, 480px) / 2);
  transform: translateY(-50%);
  z-index: 2;
  width: clamp(36px, 5vw, 48px);
  height: clamp(36px, 5vw, 48px);
  border-radius: 50%;
  border: 2px solid var(--black);
  background: var(--black);
  color: #fff;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.nav.prev { left: 0; }
.nav.next { right: 0; }
.nav:hover {
  background: #fff;
  color: var(--black);
  transform: translateY(calc(-50% - 2px));
}
.nav:active { transform: translateY(-50%); }

.card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}

.card-image-wrap {
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 3vw, 28px) clamp(12px, 3vw, 16px) clamp(8px, 2vw, 12px);
  height: clamp(260px, 50vh, 480px);
}

#story-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 6px;
  object-fit: contain;
  transition: opacity 0.15s ease;
  cursor: zoom-in;
}

.card-content {
  padding: clamp(16px, 3vw, 24px) clamp(16px, 4vw, 32px) clamp(20px, 4vw, 32px);
}

.story-num {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--mid);
  font-weight: 600;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.title-zh {
  margin: 0;
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 800;
  color: var(--black);
}

.title-en {
  margin: 4px 0 16px;
  font-size: clamp(14px, 2.2vw, 16px);
  font-weight: 400;
  color: var(--mid);
  font-style: italic;
}

.body-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 3vw, 28px);
}

.body p {
  margin: 0 0 10px;
  font-size: clamp(14px, 2vw, 15px);
}
.body.zh { color: var(--black); }
.body.en {
  color: var(--dark);
  font-size: clamp(13.5px, 1.95vw, 14.5px);
  border-left: 2px solid var(--border);
  padding-left: clamp(10px, 1.5vw, 14px);
}

@media (max-width: 720px) {
  .body-cols { grid-template-columns: 1fr; gap: 14px; }
  .body.en { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 12px; }
}

@media (max-width: 480px) {
  .carousel { padding: 0; }
  .card { border-radius: 8px; }
  .nav.prev { left: 8px; }
  .nav.next { right: 8px; }
}

/* Dots */
.dots {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: clamp(16px, 3vw, 24px) auto 0;
  max-width: 720px;
  padding: 0 8px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: transform .15s ease, background .15s ease;
}
.dot:hover { transform: scale(1.3); background: var(--mid); }
.dot.active { background: var(--black); transform: scale(1.4); }

/* Index */
.index-section {
  margin: clamp(36px, 6vw, 60px) 0 24px;
}
.index-title {
  text-align: center;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--black);
  border-top: 1px solid var(--border);
  padding-top: clamp(24px, 4vw, 40px);
}
.index-title .en { color: var(--mid); font-weight: 400; }

.index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
  gap: 6px clamp(8px, 2vw, 16px);
  counter-reset: stories;
}

.index-list li { position: relative; }

.index-list a {
  display: block;
  padding: 10px 14px 10px 46px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--dark);
  border: 1px solid var(--border);
  transition: all .15s ease;
  font-size: 14px;
  position: relative;
  background: #fff;
}

.index-list a::before {
  counter-increment: stories;
  content: counter(stories, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  font-weight: 700;
  color: var(--light);
  letter-spacing: 1px;
}

.index-list a:hover {
  border-color: var(--black);
  background: var(--bg-soft);
  color: var(--black);
  transform: translateY(-1px);
}
.index-list a:hover::before { color: var(--mid); }

.index-list a .en {
  display: block;
  color: var(--mid);
  font-size: 12px;
  margin-top: 2px;
  font-style: italic;
}

footer {
  text-align: center;
  padding: 32px 16px 48px;
  color: var(--light);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

/* Image fullscreen modal */
.img-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, .88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity .2s ease;
  cursor: zoom-out;
}
.img-modal[hidden] { display: none; }

.img-modal img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 8px 48px rgba(0, 0, 0, .6);
  cursor: default;
}

.img-modal-close {
  position: fixed;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .5);
  background: rgba(0, 0, 0, .4);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-modal-close:hover {
  background: rgba(255, 255, 255, .15);
  border-color: #fff;
}