/* ============================================================
   文化资源考察档案 · 设计系统
   参考书格（shuge.org）的宣纸气质：米白、墨色、朱砂、细线、大留白
   ============================================================ */

@font-face {
  font-family: "FZGuoMeiJinDaoTi";
  src: url("../fonts/FZGuoMeiJinDaoTiJF.TTF") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* === 色板：宣纸底 + 墨色 + 金棕强调（参考丘索品牌色） === */
  --paper: #fafaf7;
  --paper-2: #fbf8f1;
  --paper-3: #f0ece4;
  --ink: #1a1a1a;
  --ink-2: #4a4238;
  --ink-3: #8a8578;
  --line: #e2ddd3;
  --line-soft: #eee9df;
  --accent: #c9a96e;
  --accent-dark: #8b7355;
  --accent-deep: #5c4a32;
  /* 保留以下变量供已存在的 4 份档案页面使用 */
  --cinnabar: #b03a2b;
  --cinnabar-deep: #8f2d20;
  --gold: #a8874f;
  /* === 组件 === */
  --card: #ffffff;
  --card-hover: #f8f6f1;
  --shadow: 0 2px 12px rgba(26, 26, 26, 0.06);
  --shadow-hover: 0 8px 32px rgba(26, 26, 26, 0.12);
  /* === 字体 / 排版 === */
  --serif: "FZGuoMeiJinDaoTi", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "FZGuoMeiJinDaoTi", "PingFang SC", "Microsoft YaHei", sans-serif;
  --measure: 46rem;
  --wide: 74rem;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.55), transparent 38%),
    radial-gradient(circle at 88% 2%, rgba(168, 135, 79, 0.06), transparent 32%);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.95;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

a:hover { color: var(--accent); }

p { margin: 0 0 1.1em; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin: 0;
}

::selection { background: rgba(176, 58, 43, 0.16); }

.wrap { width: min(100% - 3rem, var(--wide)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 3rem, var(--measure)); margin-inline: auto; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 200;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------------- 站头 ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 230, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand__seal {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 3px;
  background: var(--ink);
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.brand__text { line-height: 1.3; }
.brand__text strong {
  display: block;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.brand__text small {
  display: block;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.1rem;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
}

.site-nav a {
  position: relative;
  padding: 0.35rem 0;
  color: var(--ink-2);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transition: right 0.35s var(--ease);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { right: 0; }

.site-nav a[aria-current="page"] { color: var(--ink); }

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

/* ---------------- 首页 Hero ---------------- */

.hero {
  position: relative;
  min-height: clamp(560px, 92vh, 880px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 60% at 50% 46%, rgba(255, 255, 255, 0.72), transparent 70%),
    linear-gradient(180deg, var(--paper-2), var(--paper));
}

/* 关键词虚影层 */
.hero__words {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__word {
  position: absolute;
  left: 0;
  top: 0;
  white-space: nowrap;
  font-family: var(--serif);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--ink);
  will-change: transform, opacity;
  user-select: none;
  transition: opacity 0.4s var(--ease);
}

.hero__word--gold { color: var(--accent-dark); }

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-block: clamp(4rem, 8vw, 6rem);
}

.hero__kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.6rem;
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__title-line {
  display: block;
  line-height: 1;
  font-weight: 500;
}

.hero__title-line--ink {
  font-size: clamp(4.6rem, 13vw, 10rem);
  letter-spacing: 0.12em;
  padding-left: 0.12em;
  color: var(--ink);
}

.hero__title-line--gold {
  font-size: clamp(1.6rem, 4.4vw, 3.3rem);
  letter-spacing: 0.3em;
  padding-left: 0.3em;
  color: var(--accent);
  font-weight: 400;
}

.hero__sub {
  margin-top: clamp(1.8rem, 3.4vw, 2.6rem);
  font-size: clamp(0.92rem, 1.32vw, 1.05rem);
  line-height: 2;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.hero__tokens {
  margin-top: 0.9rem;
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}

.hero__stats {
  width: 100%;
  max-width: 720px;
  margin-top: clamp(2.6rem, 5vw, 3.6rem);
  border-block: 0;
}

.hero__stats .stats__item {
  border-left: 0;
  padding-block: 0;
}

.hero__stats .stats__num {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  color: var(--accent-dark);
}

.hero__stats .stats__label {
  margin-top: 0.45rem;
  letter-spacing: 0.2em;
}

/* ---------------- 通用区块 ---------------- */

.section { padding-block: clamp(4rem, 9vw, 7.5rem); }
.section--tight { padding-block: clamp(3rem, 6vw, 4.5rem); }
.section--paper2 { background: rgba(251, 248, 241, 0.72); border-block: 1px solid var(--line-soft); }

.section-head { margin-bottom: clamp(2rem, 4vw, 3.2rem); }

.eyebrow {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  letter-spacing: 0.1em;
}

.section-desc {
  margin-top: 0.9rem;
  max-width: 40rem;
  color: var(--ink-2);
  font-size: 0.98rem;
}

.lead {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.03em;
}

/* ---------------- 档案卡片 ---------------- */

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.4rem, 3vw, 2.6rem);
}

.archive-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}

.archive-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--line);
}

.archive-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-3);
}

.archive-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform 0.9s var(--ease), filter 0.5s var(--ease);
  filter: saturate(0.88);
}

.archive-card:hover .archive-card__media img {
  transform: scale(1.045);
  filter: saturate(1);
}

.archive-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(30, 26, 20, 0.28));
}

.archive-card__no {
  position: absolute;
  top: 1.1rem;
  left: 1.1rem;
  z-index: 2;
  display: grid;
  place-items: center;
  min-width: 3rem;
  padding: 0.35rem 0.55rem;
  background: rgba(176, 58, 43, 0.92);
  color: #fdf8ee;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  font-family: var(--sans);
}

.archive-card__body {
  padding: 1.6rem 1.7rem 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.archive-card__region {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  margin-bottom: 0.55rem;
}

.archive-card h3 {
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.archive-card__summary {
  font-size: 0.92rem;
  color: var(--ink-2);
  line-height: 1.85;
  margin-bottom: 1.2rem;
}

.archive-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.tag {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  border: 1px solid var(--line);
  padding: 0.18rem 0.5rem;
  white-space: nowrap;
}

/* ---------------- 数字带 ---------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}

.stats__item {
  padding: 2rem 1rem;
  text-align: center;
  border-left: 1px solid var(--line-soft);
}
.stats__item:first-child { border-left: 0; }

.stats__num {
  display: block;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0.04em;
}

.stats__label {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--ink-3);
}

/* ---------------- 六类资源 ---------------- */

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.resource-item {
  background: var(--paper-2);
  padding: 2.2rem 1.8rem;
  transition: background 0.4s var(--ease);
}
.resource-item:hover { background: #fffdf7; }

.resource-item__no {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  color: var(--accent);
}

.resource-item h3 {
  margin: 0.5rem 0 0.7rem;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
}

.resource-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--ink-2);
}

.resource-item__sub {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
}

.resource-item__sub li {
  position: relative;
  padding-left: 0.75rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.resource-item__sub li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
  line-height: 1;
}

/* ---------------- 专题横幅 ---------------- */

.feature-banner {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-2);
}

.feature-banner__media { aspect-ratio: 21 / 8; overflow: hidden; }
.feature-banner__media img { width: 100%; height: 100%; object-fit: cover; object-position: center 45%; filter: saturate(0.85); }

.feature-banner__body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.8rem, 4vw, 3rem);
}

.feature-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: 0.08em;
  margin-top: 0.6rem;
}

.feature-banner p {
  margin: 0.9rem 0 0;
  max-width: 36rem;
  color: var(--ink-2);
  font-size: 0.94rem;
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.8rem 1.4rem;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
  white-space: nowrap;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn--red { border-color: var(--accent); color: var(--accent); }
.btn--red:hover { background: var(--accent); color: #fdf8ee; }

.btn__arrow { transition: transform 0.35s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ---------------- 页内页头 ---------------- */

.page-hero {
  padding-block: clamp(3.2rem, 7vw, 5.5rem) clamp(2.6rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.page-hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 3rem;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  letter-spacing: 0.14em;
}

.page-hero__desc {
  margin-top: 1rem;
  max-width: 40rem;
  color: var(--ink-2);
  font-size: 1rem;
}

.page-hero__seal {
  width: 108px;
  height: 108px;
  display: grid;
  place-items: center;
  border: 2px solid var(--accent);
  color: var(--accent);
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.6;
  letter-spacing: 0.18em;
  border-radius: 4px;
  transform: rotate(-2.5deg);
  position: relative;
}

.page-hero__seal::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(176, 58, 43, 0.35);
  border-radius: 2px;
}

/* ---------------- 档案详情 ---------------- */

.archive-head {
  padding-block: clamp(3rem, 6vw, 4.6rem) clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.archive-head__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1.4rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  margin-bottom: 1.2rem;
}

.archive-head__no {
  color: var(--accent);
  border: 1px solid rgba(176, 58, 43, 0.3);
  padding: 0.25rem 0.55rem;
  letter-spacing: 0.16em;
}

.archive-head h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  letter-spacing: 0.1em;
}

.archive-head__summary {
  margin-top: 1.2rem;
  max-width: 46rem;
  font-size: 1rem;
  color: var(--ink-2);
  line-height: 2;
}

.archive-meta {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.archive-meta__item {
  background: var(--paper-2);
  padding: 1rem 1.15rem;
}

.archive-meta dt {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin-bottom: 0.35rem;
}

.archive-meta dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink);
  letter-spacing: 0.03em;
}

/* 详情正文 + 侧栏 */

.archive-body {
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(4rem, 8vw, 6rem);
  align-items: start;
}

.side-nav {
  position: sticky;
  top: 100px;
  border-top: 1px solid var(--ink);
  padding-top: 1rem;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 0.5rem;
}

.side-nav::-webkit-scrollbar { width: 4px; }
.side-nav::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}
.side-nav::-webkit-scrollbar-track { background: transparent; }

.side-nav__title {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.26em;
  color: var(--ink-3);
  margin-bottom: 0.8rem;
}

.side-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: side;
}

.side-nav li { counter-increment: side; }

.side-nav a {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.45rem 0;
  font-size: 0.88rem;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-soft);
}

.side-nav a::before {
  content: "0" counter(side);
  font-family: var(--sans);
  font-size: 0.62rem;
  color: var(--ink-3);
  letter-spacing: 0.1em;
}

.side-nav a:hover,
.side-nav a.is-active { color: var(--accent); }

.side-nav a.is-active::before { color: var(--accent); }

/* === 二级子项目录 === */
.side-nav__sub {
  list-style: none;
  margin: 0.15rem 0 0.35rem;
  padding: 0;
  counter-reset: sub;
}

.side-nav__sub li {
  counter-increment: sub;
}

.side-nav__sub a {
  gap: 0.45rem;
  padding: 0.28rem 0 0.28rem 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink-3);
  border-bottom: none;
}

.side-nav__sub a::before {
  content: "";
  width: 4px;
  height: 1px;
  background: var(--ink-3);
  opacity: 0.5;
  transform: none;
}

.side-nav__sub a:hover { color: var(--accent); }
.side-nav__sub a:hover::before { background: var(--accent); }

.side-nav__back {
  display: inline-block;
  margin-top: 1.4rem;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}

.side-nav__back::before,
.side-nav .side-nav__back::before { content: none !important; }

.article { min-width: 0; }

.article-section {
  padding-top: 1rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
  scroll-margin-top: 100px;
}

.article-section__no {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  color: var(--accent);
}

.article-section h2 {
  margin: 0.4rem 0 1.6rem;
  padding-bottom: 0.9rem;
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--line);
}

.article-section h3 {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 2.1rem 0 0.75rem;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.article-section h3::before {
  content: "";
  width: 9px;
  height: 9px;
  flex-shrink: 0;
  background: var(--accent);
  opacity: 0.85;
  transform: translateY(-1px) rotate(45deg);
}

.article-section p { color: var(--ink-2); font-size: 0.97rem; }

.article-section a[href^="http"] {
  color: var(--accent-dark);
  border-bottom: 1px dashed var(--accent);
  word-break: break-all;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.article-section a[href^="http"]:hover {
  color: var(--accent);
  border-bottom-style: solid;
}

.article-section ul {
  margin: 0.9rem 0 1.2rem;
  padding-left: 0;
  list-style: none;
}

.article-section li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.55rem;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--ink-2);
}

.article-section li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

.note {
  margin: 1.4rem 0;
  padding: 1.1rem 1.3rem;
  background: rgba(176, 58, 43, 0.045);
  border-left: 2px solid var(--accent);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--ink-2);
}

.sources {
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--ink-3);
}

.sources strong {
  display: block;
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

/* ---------------- 图片画廊 ---------------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
  margin-top: 1.6rem;
}

.gallery figure {
  margin: 0;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  padding: 0.7rem 0.7rem 0.9rem;
}

.gallery img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  cursor: zoom-in;
  transition: filter 0.4s var(--ease);
  filter: saturate(0.9);
}

.gallery figure:hover img { filter: saturate(1); }

.gallery figcaption {
  margin-top: 0.65rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--ink-3);
  letter-spacing: 0.03em;
}

.gallery figure.is-wide { grid-column: 1 / -1; }
.gallery figure.is-wide img { height: 380px; }

/* 正文内插图（data.js 里带 after 字段的图，由 main.js 插入到指定段落之后） */
.inline-figure {
  margin: 2rem 0 2.2rem;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  padding: 0.7rem 0.7rem 0.9rem;
}

.inline-figure img {
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
  cursor: zoom-in;
  filter: saturate(0.9);
  transition: filter 0.4s var(--ease);
}

.inline-figure:hover img { filter: saturate(1); }

.inline-figure figcaption {
  margin-top: 0.65rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--ink-3);
  letter-spacing: 0.03em;
}

/* ---------------- 灯箱 ---------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  place-items: center;
  padding: 3.5rem 1.5rem;
  background: rgba(24, 20, 16, 0.94);
}

.lightbox.is-open { display: grid; }

.lightbox img {
  max-width: min(94vw, 1300px);
  max-height: 82vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.lightbox__cap {
  margin-top: 1rem;
  color: #e6ddcb;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-align: center;
  max-width: 60rem;
}

.lightbox__close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: none;
  border: 1px solid rgba(230, 221, 203, 0.4);
  color: #e6ddcb;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-family: var(--sans);
}

/* ---------------- 专题长文 ---------------- */

.feature-head {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.feature-head img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  filter: saturate(0.8);
}

.feature-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 26, 20, 0.18), rgba(30, 26, 20, 0.78));
}

.feature-head__inner {
  position: relative;
  z-index: 2;
  color: #f6f0e4;
  padding-block: 3.5rem 3rem;
}

.feature-head h1 {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  letter-spacing: 0.08em;
  max-width: 46rem;
}

.feature-head p {
  margin-top: 1rem;
  color: #e4d9c5;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.feature-toc {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 2rem;
}

.feature-toc a {
  background: var(--paper-2);
  padding: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.feature-toc a span {
  font-family: var(--sans);
  font-size: 0.62rem;
  color: var(--accent);
}

.feature-toc a:hover { background: #fffdf7; color: var(--accent); }

/* ---------------- 时间线 ---------------- */

.timeline {
  position: relative;
  margin-top: 2rem;
  border-left: 1px solid var(--line);
  padding-left: 2rem;
}

.timeline__item {
  position: relative;
  padding-bottom: 2.4rem;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-2rem - 4px);
  top: 0.5rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline time {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.timeline h3 {
  margin: 0.35rem 0 0.4rem;
  font-size: 1.12rem;
  letter-spacing: 0.08em;
}

.timeline p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-2);
}

/* ---------------- 表格 ---------------- */

.table-wrap { overflow-x: auto; margin-top: 1.4rem; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: var(--paper-2);
}

th, td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

th {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  font-weight: 500;
  background: var(--paper-3);
  white-space: nowrap;
}

td { color: var(--ink-2); }

/* ---------------- 筛选 ---------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.4rem;
}

.filter-btn {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.5rem 0.95rem;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.filter-btn:hover { border-color: var(--ink-2); }

.filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------------- 页脚 ---------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3.2rem 2.6rem;
  background: rgba(239, 233, 219, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.footer-brand p {
  margin: 0.7rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-3);
  max-width: 20rem;
  line-height: 1.9;
}

.footer-col h4 {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.footer-col a, .footer-col span {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-2);
  padding: 0.22rem 0;
}

.footer-bottom {
  margin-top: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

/* ---------------- 动效 ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1000px) {
  .archive-body { grid-template-columns: 1fr; }
  .side-nav {
    position: static;
    border: 1px solid var(--line-soft);
    background: var(--paper-2);
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
  }
  .side-nav ol { display: flex; flex-wrap: wrap; gap: 0 1.4rem; }
  .side-nav a { border-bottom: 0; }
  .side-nav__back { margin-top: 0.6rem; }
  .archive-meta { grid-template-columns: repeat(2, 1fr); }
  .feature-toc { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  body { font-size: 16px; }
  .site-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.6rem 1.5rem 1rem;
    background: var(--paper-2);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: 0.75rem 0; border-bottom: 1px solid var(--line-soft); }
  .nav-toggle { display: block; }
  .page-hero__inner { grid-template-columns: 1fr; }
  .page-hero__seal { display: none; }
  .archive-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(3) { border-left: 0; }
  .stats__item:nth-child(n + 3) { border-top: 1px solid var(--line-soft); }
  .resource-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-toc { grid-template-columns: repeat(2, 1fr); }
  .gallery figure.is-wide { grid-column: auto; }
  .gallery figure.is-wide img { height: 260px; }
}

@media (max-width: 560px) {
  .wrap, .wrap-narrow { width: calc(100% - 2.2rem); }
  .hero { min-height: auto; }
  .hero__title-line--ink { letter-spacing: 0.08em; padding-left: 0.08em; }
  .hero__title-line--gold { font-size: clamp(1.35rem, 5.6vw, 2rem); letter-spacing: 0.18em; padding-left: 0.18em; }
  .hero__sub br { display: none; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 1.6rem 0; }
  .nav-search { width: 30px; height: 30px; }
  .archive-meta { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .feature-toc { grid-template-columns: 1fr; }
  .archive-card__body { padding: 1.3rem; }
  .brand__text small { display: none; }
}

/* ---------------- 打印 ---------------- */

@media print {
  .site-header, .site-footer, .side-nav, .filters, .lightbox, .search-overlay { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .archive-body { grid-template-columns: 1fr; }
  .gallery img { height: auto; }
}

/* ============================================================
   丘索 2026 新架构组件
   ============================================================ */

/* ---- Hero 内嵌搜索框 ---- */
.hero-search {
  display: flex;
  gap: 0;
  width: 100%;
  max-width: 560px;
  margin: clamp(2rem, 3.6vw, 2.8rem) auto 0;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(26, 26, 26, 0.07);
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.hero-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 12px 36px rgba(139, 115, 85, 0.16);
}
.hero-search input {
  flex: 1;
  padding: 0.95rem 1.15rem;
  border: none;
  outline: none;
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.04em;
  background: transparent;
  color: var(--ink);
}
.hero-search input::placeholder { color: var(--ink-3); }
.hero-search button {
  padding: 0 1.6rem;
  border: none;
  background: var(--ink);
  color: var(--accent);
  font-family: var(--serif);
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.hero-search button:hover { background: var(--accent-deep); color: #fff; }

/* ---- 导航栏搜索入口 ---- */
.nav-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav-search:hover {
  border-color: var(--accent);
  background: rgba(201, 169, 110, 0.1);
  color: var(--accent-deep);
  transform: scale(1.06);
}
.nav-search svg { width: 15px; height: 15px; display: block; }

/* ---- 全局检索浮层 ---- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(4rem, 12vh, 9rem) 1.2rem 2rem;
  background: rgba(24, 22, 19, 0.42);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s var(--ease), visibility 0.28s var(--ease);
}
.search-overlay.is-open { opacity: 1; visibility: visible; }

.search-overlay__panel {
  width: min(100%, 640px);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 24px 64px rgba(20, 18, 15, 0.24);
  transform: translateY(-12px);
  transition: transform 0.32s var(--ease);
}
.search-overlay.is-open .search-overlay__panel { transform: none; }

.search-overlay__bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line-soft);
}
.search-overlay__bar svg { width: 16px; height: 16px; color: var(--accent-dark); flex-shrink: 0; }
.search-overlay__input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
}
.search-overlay__input::placeholder { color: var(--ink-3); }
.search-overlay__close {
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  cursor: pointer;
}
.search-overlay__close:hover { color: var(--accent-deep); }

.search-overlay__hint {
  padding: 0.8rem 1rem 0;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}

.search-overlay__results {
  max-height: min(52vh, 420px);
  overflow-y: auto;
  padding: 0.4rem 0 0.6rem;
}
.search-overlay__empty {
  padding: 1.4rem 1rem 1.8rem;
  text-align: center;
  color: var(--ink-3);
  font-size: 0.9rem;
}
.search-result {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.72rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.2s var(--ease);
}
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: rgba(201, 169, 110, 0.09); }
.search-result__code {
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--accent-dark);
}
.search-result__title {
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: var(--ink);
}
.search-result__meta {
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.search-overlay__foot {
  padding: 0.7rem 1rem 0.9rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}
.search-overlay__foot a { color: var(--accent-deep); }
.search-overlay__foot a:hover { color: var(--ink); }

/* ---- Feature Carousel：三卡横向轮播 ---- */
.feature-grid { position: relative; }
.feature-carousel {
  overflow: hidden;
  padding: 4px 2px;
  margin: 0 -2px;
}
.feature-track {
  display: flex;
  gap: 1.75rem;
  will-change: transform;
  transition: transform 0.8s cubic-bezier(0.32, 0.02, 0.2, 1);
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  opacity: 0.38;
  transform: scale(0.84);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease), box-shadow 0.25s var(--ease);
}
.feature-track > .feature-card { flex: 0 0 calc((100% - 3.5rem) / 3); }
.feature-card--center { z-index: 2; opacity: 1; transform: scale(1.12); }
.feature-card--center:hover { transform: scale(1.14); }
.feature-card--enter,
.feature-card--out { z-index: 1; opacity: 0; transform: scale(0.78); }
.feature-card:hover { box-shadow: var(--shadow-hover); }
.feature-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.feature-card:hover .feature-image img { transform: scale(1.03); }
.feature-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.feature-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}
.feature-desc {
  font-size: 0.92rem;
  color: var(--ink-2);
  flex: 1;
}
.feature-meta {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--ink-3);
}

@media (max-width: 820px) {
  .feature-track { gap: 1rem; }
  .feature-track > .feature-card { flex: 0 0 100%; }
  .feature-card--center,
  .feature-card--left,
  .feature-card--right,
  .feature-card--enter,
  .feature-card--out { transform: none; }
}

/* ---- Filter Bar（列表页顶部） ---- */
.filter-bar {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
.filter-bar__top {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 0.85rem;
}
.filter-search {
  flex: 1;
  min-width: 220px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--serif);
  font-size: 0.95rem;
  background: var(--paper-2);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.filter-search:focus {
  border-color: var(--accent);
  background: #fff;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.filter-label {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.filter-select {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--serif);
  font-size: 0.88rem;
  background: var(--paper-2);
  color: var(--ink);
  cursor: pointer;
  outline: none;
  min-width: 110px;
}
.filter-select:hover { border-color: var(--ink-2); }
.filter-select:focus { border-color: var(--accent); }
.filter-reset {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.filter-reset:hover { border-color: var(--ink); color: var(--ink); }

/* 激活中的筛选 chip */
.filter-active {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
  min-height: 0;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  font-size: 0.8rem;
  font-family: var(--sans);
}
.filter-chip button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
  line-height: 1;
}
.filter-chip button:hover { opacity: 0.7; }

/* ---- 卡片列表网格 ---- */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.archive-grid--compact {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* ---- 空态 ---- */
.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  color: var(--ink-3);
}
.empty-state__icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
}
.empty-state h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.empty-state p {
  font-size: 0.92rem;
}

/* ---- 档案头（JS 注入后） ---- */
.archive-head__meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.archive-head__meta > span {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.7rem;
  background: var(--paper-3);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--ink-2);
  font-family: var(--sans);
}
.archive-head__meta .is-code {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.archive-head__meta .is-group {
  background: var(--ink);
  color: var(--accent);
}

/* ---- 统计数字（JS 渲染） ---- */
.stats__num { font-variant-numeric: tabular-nums; }

/* ---- 章节目录（首页六类资源快速入口） ---- */
.resource-chapters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 720px) {
  .resource-chapters { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
  .resource-chapters { grid-template-columns: 1fr; }
}

/* ---------------- 专题报告 ---------------- */
.report-grid {
  display: grid;
  grid-template-columns: minmax(0, 32rem);
  gap: 1.5rem;
}

.report-card .archive-card__media img { object-position: center; }

.report-head .archive-head__top { flex-wrap: wrap; }

.report-side-nav > ol > li > a::before {
  content: counter(side, decimal-leading-zero);
}

.report-panel {
  margin: 2rem 0 0;
  border: 1px solid var(--line-soft);
  background: var(--paper-2);
}

.report-panel a { display: block; }

.report-panel img {
  display: block;
  width: 100%;
  height: auto;
}

.report-panel figcaption {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.article-section .report-sources {
  list-style: decimal;
  padding-left: 1.8rem;
}

.article-section .report-sources li {
  padding-left: 0.35rem;
  margin-bottom: 0.65rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.article-section .report-sources li::before { content: none; }

/* ---------------- 行旅拾光 ---------------- */
.travel-cohort + .travel-cohort { margin-top: 3.2rem; }

.travel-cohort__head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
  padding-bottom: 0.7rem;
  margin-bottom: 1.3rem;
  border-bottom: 1px solid var(--line-soft);
}

.travel-cohort__head h3 {
  font-size: 1.45rem;
  letter-spacing: 0.08em;
}

.travel-cohort__head span {
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.travel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.travel-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--paper-2);
}

.travel-item--wide { grid-column: 1 / -1; }

.travel-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform 0.6s ease;
}

.travel-item--wide img { aspect-ratio: 16 / 9; }

.travel-item:hover img { transform: scale(1.03); }

.travel-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2.2rem 1rem 0.8rem;
  background: linear-gradient(to top, rgba(28, 24, 20, 0.72), rgba(28, 24, 20, 0));
  color: #f6f1e6;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

@media (max-width: 640px) {
  .travel-grid { grid-template-columns: 1fr; }
  .travel-item--wide img { aspect-ratio: 3 / 2; }
}

.travel-placeholder {
  padding: clamp(2.4rem, 6vw, 3.6rem) 1.4rem;
  border: 1px dashed var(--line);
  background: rgba(251, 248, 241, 0.5);
  text-align: center;
  color: var(--ink-3);
}

.travel-placeholder__year {
  margin-bottom: 0.6rem;
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.3em;
}

.travel-placeholder p:last-child {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}