:root {
    --bg: #f7f3ec;
    --text: #2b2622;
    --muted: #8a817a;
    --line: #e6ddd0;
    --accent: #b5623a;
    --mustard: #c9963f;
    --olive: #6f7f5e;
    --card: #fffdf9;
    --warn: #a4512e;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg); color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.8; font-size: 16px; -webkit-font-smoothing: antialiased;
  }
  .wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

  /* ---------- Header ---------- */
  header { padding: 26px 0 20px; position: absolute; top: 0; left: 0; right: 0; z-index: 10; }
  header .inner { display: flex; justify-content: space-between; align-items: center; }
  .logo { font-weight: 700; font-size: 15px; letter-spacing: 1px; }
  .logo span { color: var(--muted); font-weight: 400; letter-spacing: 0; }
  nav a { color: var(--muted); text-decoration: none; font-size: 14px; margin-left: 20px; }
  nav a:hover { color: var(--accent); }

  /* ---------- Cover 首屏 ---------- */
  .cover {
    min-height: 68vh;
    display: flex; align-items: center;
    padding: 120px 0 64px;
    background:
      radial-gradient(circle at 18% 18%, rgba(201,150,63,0.20), transparent 45%),
      radial-gradient(circle at 82% 0%, rgba(181,98,58,0.16), transparent 42%),
      linear-gradient(160deg, #f3e6d4 0%, #f7f3ec 55%, #efe4d4 100%);
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .cover .wrap { width: 100%; }
  .cover .eyebrow {
    font-size: 13px; letter-spacing: 2px; color: var(--accent);
    text-transform: uppercase; margin-bottom: 18px;
  }
  .cover h1 {
    font-size: 44px; font-weight: 700; letter-spacing: -1px; line-height: 1.2;
    margin-bottom: 16px; max-width: 560px;
  }
  .cover .sub { font-size: 17px; color: var(--muted); margin-bottom: 28px; max-width: 480px; }
  .cover .pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
  .pill {
    font-size: 13px; color: var(--text);
    border: 1px solid rgba(43,38,34,0.15);
    background: rgba(255,253,249,0.6);
    border-radius: 999px; padding: 5px 14px;
    backdrop-filter: blur(4px);
  }
  .pill.olive { border-color: rgba(111,127,94,0.4); color: var(--olive); }
  .pill.mustard { border-color: rgba(201,150,63,0.5); color: #9a7024; }
  .scroll-hint {
    font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
  }
  .scroll-hint:hover { color: var(--accent); }
  .scroll-hint .arrow { display: inline-block; animation: bob 1.8s ease-in-out infinite; }
  @keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

  /* ---------- Section ---------- */
  section { padding: 64px 0; border-bottom: 1px solid var(--line); }
  .section-head { margin-bottom: 32px; }
  .section-head .row { display: flex; justify-content: space-between; align-items: baseline; }
  .section-head h2 { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; }
  .section-head h2::after {
    content: ""; display: block; width: 40px; height: 3px;
    background: var(--mustard); margin-top: 10px; border-radius: 2px;
  }
  .section-head .meta { font-size: 13px; color: var(--muted); }

  /* ---------- Cards ---------- */
  .cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .card {
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    padding: 24px 24px 22px; position: relative;
    transition: box-shadow 0.15s, transform 0.15s;
  }
  .card:hover { box-shadow: 0 4px 18px rgba(43,38,34,0.07); transform: translateY(-1px); }
  .card .num {
    font-size: 12px; color: var(--accent); opacity: 0.55;
    letter-spacing: 1.5px; font-weight: 600; margin-bottom: 6px;
  }
  .card .name { font-size: 17px; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.2px; }
  .card .title-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 4px; }
  .card .title-row .pos { font-size: 14px; color: var(--muted); flex: 1; }
  .card .tag {
    flex-shrink: 0; font-size: 12px; color: var(--accent);
    border: 1px solid var(--accent); border-radius: 4px; padding: 1px 8px;
    opacity: 0.85; white-space: nowrap;
  }
  .card .tag.olive { color: var(--olive); border-color: var(--olive); }
  .card .tag.mustard { color: #9a7024; border-color: var(--mustard); }
  .card dl { margin-top: 14px; }
  .card dt { font-size: 12px; color: var(--muted); letter-spacing: 1px; margin-top: 16px; }
  .card dt:first-of-type { margin-top: 0; }
  .card dd { font-size: 15px; margin-top: 4px; line-height: 1.8; }
  .card dd.warn { color: var(--warn); }
  .card .fit {
    font-size: 13px; color: var(--muted); margin-top: 16px; padding-top: 12px;
    border-top: 1px dashed var(--line); line-height: 1.7;
  }

  /* 主推大卡 */
  .card.featured {
    grid-column: 1 / -1;
    background: #fbf3e8;
    padding: 36px 40px 32px;
    border-color: #ecdcc6;
  }
  .card.featured .name { font-size: 22px; letter-spacing: -0.4px; }
  .card.featured .title-row .pos { font-size: 15px; }
  .card.featured .name::after {
    content: ""; display: block; width: 44px; height: 3px;
    background: var(--mustard); margin-top: 12px; border-radius: 2px;
  }
  .card.featured dl { margin-top: 20px; }
  .card.featured dd { font-size: 15.5px; }

  /* ---------- Standards 三栏 ---------- */
  .standards ul { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .standards li {
    font-size: 14.5px; line-height: 1.7; padding: 20px 18px;
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  }
  .standards li::before {
    content: ""; display: block; width: 16px; height: 16px;
    border-radius: 4px; margin-bottom: 12px;
  }
  .standards li:nth-child(3n+1)::before { background: var(--accent); opacity: 0.75; }
  .standards li:nth-child(3n+2)::before { background: var(--mustard); opacity: 0.8; }
  .standards li:nth-child(3n)::before { background: var(--olive); opacity: 0.75; }

  /* ---------- Archive ---------- */
  .archive details { border-bottom: 1px solid var(--line); }
  .archive details:last-child { border-bottom: none; }
  .archive summary {
    cursor: pointer; font-size: 15px; padding: 16px 0; list-style: none;
    display: flex; align-items: center; gap: 10px; font-weight: 600;
  }
  .archive summary::-webkit-details-marker { display: none; }
  .archive summary .dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
  .archive summary .dot.autumn { background: var(--accent); }
  .archive summary .dot.winter { background: #6b7f8c; }
  .archive summary .dot.spring { background: var(--olive); }
  .archive summary .dot.summer { background: var(--mustard); }
  .archive summary .count { color: var(--muted); font-size: 13px; font-weight: 400; margin-left: auto; }
  .archive summary .arrow { color: var(--muted); font-size: 12px; transition: transform 0.15s; }
  .archive details[open] summary .arrow { transform: rotate(90deg); }
  .archive .season-list { padding: 0 0 18px 18px; border-left: 2px solid var(--line); margin-left: 3px; }
  .archive .season-list a {
    display: block; color: var(--text); text-decoration: none; font-size: 14px;
    padding: 7px 0; line-height: 1.6;
  }
  .archive .season-list a:hover { color: var(--accent); }
  .archive .season-list a span.date { color: var(--muted); font-size: 13px; float: right; }
  .archive .season-list a .new {
    font-size: 11px; color: var(--accent); border: 1px solid var(--accent);
    border-radius: 3px; padding: 0 5px; margin-left: 8px; vertical-align: 1px;
  }
  .archive .season-list a.placeholder { color: var(--muted); cursor: default; }
  .archive .season-list a.placeholder:hover { color: var(--muted); }

  /* ---------- Site Footer ---------- */
  .site-footer {
    background: #f1ebe1;
    border-top: 1px solid var(--line);
    padding: 56px 0 0;
    margin-top: 0;
  }
  .site-footer .wrap { max-width: 880px; }

  .footer-statement { margin-bottom: 44px; }
  .footer-statement p {
    font-size: 21px; font-weight: 600; line-height: 1.6;
    letter-spacing: -0.2px; color: var(--text); max-width: 480px;
  }
  .footer-mark {
    display: block; width: 40px; height: 3px;
    background: var(--mustard); border-radius: 2px; margin-top: 16px;
  }

  .footer-cols {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    padding: 36px 0 32px;
    border-top: 1px solid var(--line);
  }
  .footer-col h3 {
    font-size: 12px; font-weight: 600; letter-spacing: 1.5px;
    color: var(--muted); margin-bottom: 14px; text-transform: uppercase;
  }
  .footer-col a {
    display: block; font-size: 14px; color: var(--text);
    text-decoration: none; padding: 5px 0; line-height: 1.6;
    transition: color 0.15s;
  }
  .footer-col a:hover { color: var(--accent); }

  .footer-note {
    font-size: 13px; color: var(--muted); text-align: center;
    padding: 26px 0; border-top: 1px solid var(--line);
  }

  .footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12px; color: var(--muted); opacity: 0.7;
    padding: 18px 0 40px;
  }
  .footer-bottom .icp { font-size: 12px; }

  /* ---------- 移动端适配 ---------- */
  @media (max-width: 720px) {
    .wrap { padding: 0 18px; }
    .cover { min-height: auto; padding: 96px 0 48px; }
    .cover h1 { font-size: 30px; letter-spacing: -0.6px; }
    .cover .sub { font-size: 15.5px; }
    .cover .eyebrow { font-size: 12px; margin-bottom: 14px; }
    .cover .pills { gap: 8px; margin-bottom: 32px; }
    .pill { font-size: 12px; padding: 4px 12px; }
    nav a { margin-left: 14px; font-size: 13px; }
    section { padding: 44px 0; }
    .section-head h2 { font-size: 18px; }
    .cards { grid-template-columns: 1fr; gap: 14px; }
    .card { padding: 20px 18px 18px; }
    .card.featured { padding: 24px 20px 22px; }
    .card.featured .name { font-size: 19px; }
    .card .title-row { flex-wrap: wrap; }
    .standards ul { grid-template-columns: 1fr; gap: 12px; }
    .standards li { padding: 16px; }
    .archive .season-list a span.date { float: none; display: block; }

    .site-footer { padding: 40px 0 0; }
    .footer-statement { margin-bottom: 32px; }
    .footer-statement p { font-size: 18px; }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: 20px 16px; padding: 28px 0 24px; }
    .footer-col:last-child { grid-column: 1 / -1; }
    .footer-note { padding: 22px 0; font-size: 12.5px; }
    .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; padding: 16px 0 32px; }
  }
  @media (max-width: 380px) {
    .cover h1 { font-size: 26px; }
  }

/* 瞬间 PC网格布局：2列，第一张大图占两行 */
  .moment-section {
  width: 100%;
  padding: 60px 24px;
  background: #f8fafc;
}
.moment-wrap {
  max-width: 1200px;
  margin: 0 auto;
}
.moment-heading {
  text-align: center;
  margin-bottom: 40px;
}
.moment-title {
  font-size: 36px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 12px;
  letter-spacing: 2px;
}
.moment-slogan {
  font-size: 18px;
  color: #64748b;
  margin: 0;
}

/* PC网格布局：2列，第一张大图占两行 */
.moment-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: repeat(2, 1fr);
  gap: 20px;
  min-height: 460px;
}
.moment-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #e2e8f0;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transition: all 0.4s cubic-bezier(0.2, 0, 0.2, 1);
}
.moment-card.large {
  grid-row: span 2;
}
.moment-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 45px rgba(0,0,0,0.14);
}
.moment-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.2, 0, 0.2, 1), filter 0.55s ease;
  filter: brightness(0.98);
}
.moment-card:hover img {
  transform: scale(1.07);
  filter: brightness(1.05);
}

.moment-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.4));
  transition: background 0.4s ease;
  color: #fff;
}
.moment-card:hover .moment-caption {
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}
.moment-caption h4 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 500;
  transform: translateY(6px);
  opacity: 0.8;
  transition: all 0.35s ease;
}
.moment-caption time {
  font-size: 13px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.35s ease 0.08s;
}
.moment-card:hover .moment-caption h4 {
  transform: translateY(0);
  opacity: 1;
}
.moment-card:hover .moment-caption time {
  transform: translateY(0);
  opacity: 0.85;
}

.moment-loading,.moment-empty {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 16px;
}

@media (max-width:768px){
  .moment-section {
    padding:40px 16px;
  }
  .moment-title {
    font-size:28px;
  }
  .moment-slogan {
    font-size:16px;
  }
  .moment-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .moment-card.large {
    grid-row: span 1;
  }
}