/* Rain Shen — 对齐线上 rain.ggjj.app 的视觉风格
   Helvetica Neue + #f0f0f0 底 + 全屏 hero + exh-container 纵向 + contrast slider + photo 三栏 */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #000;
  background: #f0f0f0;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---------- Header (sticky top) ---------- */

header.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 40px;
  z-index: 1000;
  transition: background .25s, border-color .25s, padding .25s, color .25s;
  color: #000;
  background: rgba(240, 240, 240, 0);
  border-bottom: 1px solid transparent;
}
/* 在 hero 上的时候用 mix-blend-mode 保证可读性（仅 home 页顶部） */
header.site-header.is-over-hero {
  background: transparent;
  mix-blend-mode: difference;
  color: #fff;
  border-bottom-color: transparent;
}
header.site-header.is-scrolled {
  background: rgba(240, 240, 240, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 14px 40px;
  border-bottom-color: #ddd;
  mix-blend-mode: normal;
  color: #000;
}

.logo {
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
  color: inherit;
}
.logo em {
  font-style: normal;
  font-weight: 400;
  opacity: 0.6;
  margin-left: 6px;
}

.site-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.site-nav a {
  position: relative;
  color: inherit;
  padding-bottom: 3px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s;
}
.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }

/* ---------- Container ---------- */

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 40px;
}

main { min-height: 80vh; }

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

.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #efefef;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-text {
  padding-left: 4vw;
  z-index: 10;
  position: relative;
  margin-top: -5vh;
}
.hero-title {
  font-size: clamp(72px, 11vw, 180px);
  line-height: 0.88;
  font-weight: 700;
  color: #0d0d0d;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  max-width: 72%;
}
.hero-subtitle {
  position: absolute;
  bottom: 60px; left: 40px;
  font-size: 20px;
  font-weight: 400;
  color: #000;
  line-height: 1.4;
  max-width: 560px;
  letter-spacing: 0.01em;
  z-index: 10;
}
.hero-subtitle em { font-style: normal; color: #666; }

.hero-collage {
  position: absolute;
  top: 0; right: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.collage-img {
  position: absolute;
  object-fit: cover;
  display: block;
  box-shadow: 0 12px 40px -18px rgba(0,0,0,.25);
  pointer-events: auto;
  cursor: zoom-in;
  transition: transform .5s cubic-bezier(.22,.8,.28,1);
}
.collage-img:hover { transform: scale(1.03); }

/* 5 张 collage 按线上位置布局 */
.c-img-1 { top: 5vh;  right: 4vw;  width: 20vw; height: 16vh; }
.c-img-2 { top: 24vh; right: 18vw; width: 18vw; height: 16vh; }
.c-img-3 { top: 42vh; right: 3vw;  width: 16vw; height: 15vh; z-index: 5; }
.c-img-4 { top: 60vh; right: 22vw; width: 14vw; height: 14vh; }
.c-img-5 { top: 77vh; right: 5vw;  width: 12vw; height: 12vh; }

/* ---------- Section title ---------- */

.section-title {
  font-size: clamp(40px, 5.2vw, 72px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -1.5px;
  margin-bottom: 60px;
  line-height: 1;
  border-top: 1px solid #000;
  padding-top: 24px;
  text-align: left;
}

.page-intro {
  max-width: 800px;
  margin: 0 0 80px;
  font-size: 18px;
  line-height: 1.6;
  color: #333;
}

/* ---------- About section ---------- */

.about-section {
  display: grid;
  grid-template-columns: 45% 1fr;
  grid-template-rows: auto 1fr;
  column-gap: 80px;
  row-gap: 40px;
  min-height: 100vh;
  align-content: center;
  margin-top: 15vh;
  padding-top: 40px;
  padding-bottom: 40px;
  color: #1a1a1a;
}
.about-profile {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}
.about-photo-wrapper {
  border: 1px solid #000;
  padding: 0;
  margin-bottom: 30px;
  line-height: 0;
  width: 100%;
}
.about-photo {
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: cover;
  display: block;
}
.about-info-name {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 18px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
  align-self: flex-start;
  width: 100%;
}
.about-info-details {
  font-size: 15px;
  line-height: 1.7;
  color: #444;
  align-self: flex-start;
  width: 100%;
}
.about-info-details a {
  color: #444;
  border-bottom: 1px solid #999;
}
.about-info-details a:hover { color: #000; border-bottom-color: #000; }
.about-info-details p { margin-bottom: 4px; }

.about-title {
  grid-column: 2;
  grid-row: 1;
  font-size: clamp(36px, 4.2vw, 60px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -1px;
  line-height: 1;
  align-self: end;
  text-align: left;
}
.about-text {
  grid-column: 2;
  grid-row: 2;
  font-size: 18px;
  line-height: 1.65;
  text-align: left;
  color: #333;
  max-width: 640px;
  align-self: start;
}
.about-text p { margin-bottom: 22px; }
.about-text p:last-child { margin-bottom: 0; }

/* ---------- About page (独立页：上下排列) ---------- */

.about-section--stack {
  display: block;
  grid-template-columns: none;
  grid-template-rows: none;
  min-height: auto;
  margin-top: 60px;
  margin-bottom: 80px;
  max-width: 880px;
  padding-top: 0;
}
.about-section--stack .about-profile {
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 40px;
  height: auto;
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid #000;
}
.about-section--stack .about-photo-wrapper {
  width: 260px;
  flex: 0 0 auto;
  margin-bottom: 0;
}
.about-section--stack .about-photo {
  max-height: none;
  aspect-ratio: 3 / 4;
}
.about-section--stack .about-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}
.about-section--stack .about-info-name {
  font-size: 32px;
  margin-bottom: 0;
  letter-spacing: -0.02em;
  line-height: 1;
}
.about-section--stack .about-info-tag {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #666;
}
.about-section--stack .about-info-details {
  font-size: 14px;
  color: #333;
}
.about-section--stack .about-info-details p { margin-bottom: 2px; }
.about-section--stack .about-title {
  font-size: clamp(30px, 3.4vw, 44px);
  text-align: left;
  margin-bottom: 30px;
  padding-top: 10px;
}
.about-section--stack .about-text {
  max-width: none;
  font-size: 17px;
  line-height: 1.75;
  text-align: left;
}

@media (max-width: 720px) {
  .about-section--stack .about-profile { flex-direction: column; }
  .about-section--stack .about-photo-wrapper { width: 100%; max-width: 320px; }
}

.about-text .about-more {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #000;
  border-bottom: 1px solid #000;
  padding-bottom: 1px;
  margin-top: 10px;
  transition: opacity .2s;
}
.about-text .about-more:hover { opacity: 0.6; }

/* ---------- Home navigation (美术 / 传媒 入口，置于 About 下方) ---------- */

.home-nav {
  margin-top: 120px;
  margin-bottom: 120px;
}
.home-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 40px;
}
.home-nav-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 48px 44px 44px;
  background: #fff;
  border: 1px solid #000;
  color: #000;
  min-height: 280px;
  transition: background .3s, color .3s, transform .3s;
  overflow: hidden;
}
.home-nav-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #000;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .4s cubic-bezier(.22,.8,.28,1);
  z-index: 0;
}
.home-nav-card > * { position: relative; z-index: 1; }
.home-nav-card:hover { color: #fff; }
.home-nav-card:hover::before { transform: scaleY(1); }

.home-nav-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: inherit;
  opacity: 0.5;
}
.home-nav-title {
  font-size: clamp(40px, 4.8vw, 64px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 0.95;
  text-transform: uppercase;
}
.home-nav-title small {
  display: block;
  font-size: 0.28em;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 12px;
  opacity: 0.7;
}
.home-nav-desc {
  margin-top: auto;
  font-size: 14px;
  line-height: 1.5;
  color: inherit;
  opacity: 0.75;
}
.home-nav-arrow {
  position: absolute;
  right: 40px; bottom: 40px;
  font-size: 28px;
  font-weight: 300;
  transition: transform .3s;
  z-index: 1;
}
.home-nav-card:hover .home-nav-arrow { transform: translate(6px, -4px); }

/* ---------- Art page: Exhibitions vertical layout ---------- */

.art-page { padding-top: 120px; padding-bottom: 120px; }

.exh-container {
  border-left: 1px solid #000;
  margin-left: 120px;
  padding-left: 40px;
  position: relative;
}
.exh-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 70px;
  margin-bottom: 100px;
}
.exh-group:last-child { margin-bottom: 0; }

.exh-label {
  position: absolute;
  left: -160px;
  top: 0;
  width: 100px;
  text-align: right;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding-right: 15px;
}
.exh-label::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 6px;
  width: 6px;
  height: 1px;
  background: #000;
}

.exh-series-title {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 20px;
}
.exh-series-desc {
  font-size: 15px;
  line-height: 1.6;
  color: #444;
  max-width: 600px;
  margin-bottom: 10px;
}

.exh-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.exh-img-wrap {
  width: 38vw;
  max-width: 720px;
  background: #e6e6e6;
  cursor: zoom-in;
  overflow: hidden;
}
.exh-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity .3s, transform .8s cubic-bezier(.22,.8,.28,1);
}
.exh-img-wrap:hover img { opacity: .92; }

.exh-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-top: 6px;
  gap: 20px;
}
.exh-title {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  flex: 1;
  min-width: 0;
}
.exh-meta {
  text-align: right;
  flex: 0 0 auto;
}
.exh-num {
  font-family: 'Helvetica Neue', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #666;
  text-transform: uppercase;
}

/* Slider variant (Contrast) */
.contrast-gallery {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #999 transparent;
  margin-bottom: 15px;
  cursor: grab;
}
.contrast-gallery:active { cursor: grabbing; }
.contrast-gallery::-webkit-scrollbar { height: 4px; }
.contrast-gallery::-webkit-scrollbar-track { background: transparent; }
.contrast-gallery::-webkit-scrollbar-thumb { background: #999; border-radius: 2px; }

.contrast-gallery-container {
  display: flex;
  gap: 15px;
  width: max-content;
  padding-bottom: 8px;
}
.contrast-gallery-item {
  flex-shrink: 0;
  cursor: zoom-in;
}
.contrast-gallery-item img {
  max-height: 500px;
  width: auto;
  height: auto;
  display: block;
  transition: opacity .3s;
}
.contrast-gallery-item img:hover { opacity: .9; }

/* Columns variant (Photography) */
.photo-showcase {
  display: flex;
  flex-wrap: wrap;
  margin-right: -1px;
}
.photo-col {
  width: 33.3333%;
  padding: 0 25px;
  border-right: 1px solid #000;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.photo-col.stagger { margin-top: 120px; }
.photo-col.stagger-2 { margin-top: 60px; }
.photo-header {
  text-align: center;
  margin-bottom: 20px;
  line-height: 1;
}
.photo-num {
  font-size: 72px;
  font-weight: 400;
  letter-spacing: -2px;
  display: block;
}
.photo-img-box {
  width: 100%;
  margin-bottom: 20px;
  cursor: zoom-in;
}
.photo-img-box img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity .3s;
}
.photo-img-box:hover img { opacity: .85; }
.photo-caption {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  color: #000;
  text-align: center;
  margin-bottom: 30px;
}

/* ---------- Media page ---------- */

.media-page { padding-top: 120px; padding-bottom: 120px; }

.m-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid #000;
  margin-bottom: 60px;
}
.m-tab {
  padding: 14px 24px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #777;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.m-tab:hover { color: #000; }
.m-tab.is-active { color: #000; border-bottom-color: #000; }
.m-tab__n {
  font-size: 10px;
  color: #999;
  margin-left: 6px;
  font-weight: 500;
}
.m-tab.is-active .m-tab__n { color: #000; }

.m-pane { display: none; animation: fadeIn .35s ease both; }
.m-pane.is-active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Article card */
.m-list--articles { display: flex; flex-direction: column; gap: 60px; }

.m-art-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1.3fr);
  gap: 50px;
  border-top: 1px solid #000;
  padding-top: 30px;
  transition: opacity .2s;
  color: #000;
}
.m-art-item:hover { opacity: 0.7; }
.m-art-item:first-child { border-top: 0; padding-top: 0; }

.m-art-item__meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.m-art-item__kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #666;
}
.m-art-item__date {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #666;
  text-transform: uppercase;
}
.m-art-item__divider {
  background: #ddd;
  width: 1px;
  height: 100%;
}
.m-art-item__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.m-art-item__title {
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-transform: uppercase;
}
.m-art-item__sub {
  font-size: 15px;
  line-height: 1.5;
  color: #444;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.m-art-item__excerpt {
  font-size: 15px;
  line-height: 1.65;
  color: #333;
}
.m-art-item__more {
  margin-top: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #000;
  border-bottom: 1px solid #000;
  align-self: flex-start;
  padding-bottom: 1px;
}

/* Video / Audio card */
.m-list--videos,
.m-list--audios { display: flex; flex-direction: column; gap: 60px; }

.m-media-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.m-media-card__player {
  background: #000;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  width: 70%;
  max-width: 720px;
}
@media (max-width: 720px) {
  .m-media-card__player { width: 100%; }
}
.m-media-card__player iframe,
.m-media-card__player video {
  width: 100%; height: 100%; display: block; border: 0;
}
.m-media-card__player--audio {
  aspect-ratio: auto;
  background: #e6e6e6;
  padding: 30px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.m-media-card__player--audio .cover {
  width: 100px;
  height: 100px;
  background: #999;
  flex: 0 0 auto;
  overflow: hidden;
}
.m-media-card__player--audio .cover img { width: 100%; height: 100%; object-fit: cover; }
.m-media-card__player--audio audio {
  flex: 1;
  min-width: 0;
}
.m-media-card__player--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  font-size: 40px;
  background: #e6e6e6;
}

.m-media-card__info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  border-top: 1px solid #000;
  padding-top: 14px;
}
.m-media-card__title {
  font-size: 20px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  flex: 1;
  min-width: 0;
}
.m-media-card__desc {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.55;
  color: #444;
  text-transform: none;
  letter-spacing: 0;
}
.m-media-card__date {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #666;
  text-transform: uppercase;
  flex: 0 0 auto;
  white-space: nowrap;
}

/* ---------- Article detail ---------- */

.article-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 140px 40px 120px;
}
.article-back {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 40px;
  transition: color .2s;
}
.article-back:hover { color: #000; }

.article-cover {
  margin-bottom: 40px;
  background: #e6e6e6;
  overflow: hidden;
}
.article-cover img { width: 100%; display: block; }

.article-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 20px;
}
.article-title {
  font-size: clamp(34px, 4.4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.article-sub {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  color: #444;
  margin-bottom: 26px;
}
.article-date {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: #666;
  text-transform: uppercase;
  display: block;
  padding-bottom: 30px;
  border-bottom: 1px solid #000;
  margin-bottom: 40px;
}

.article-body {
  font-size: 17px;
  line-height: 1.75;
  color: #222;
}
.article-body p { margin: 0 0 1.2em; }
.article-body p:last-child { margin-bottom: 0; }
.article-body h2,
.article-body h3,
.article-body h4 {
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 1.8em 0 0.6em;
  color: #000;
}
.article-body h2 { font-size: 26px; }
.article-body h3 { font-size: 20px; }
.article-body h4 { font-size: 16px; color: #444; }
.article-body blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid #000;
  font-weight: 500;
  color: #000;
}
.article-body ul { padding-left: 1.4em; margin: 0 0 1.2em; }
.article-body li { margin-bottom: 0.4em; }
.article-body a {
  color: #000;
  border-bottom: 1px solid #999;
  transition: border-color .2s;
}
.article-body a:hover { border-bottom-color: #000; }
.article-body strong { font-weight: 700; color: #000; }
.article-body em { font-style: italic; }
.article-body code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.9em;
  padding: 1px 6px;
  background: #e6e6e6;
  border-radius: 2px;
}

.article-attach {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 60px;
  padding: 14px 20px;
  border: 1px solid #000;
  color: #000;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: background .22s, color .22s;
}
.article-attach:hover { background: #000; color: #fff; }
.article-attach svg { width: 16px; height: 16px; flex: 0 0 auto; }

/* ---------- Contact footer ---------- */

.contact-section {
  padding-top: 120px;
  padding-bottom: 80px;
  text-align: center;
}
.contact-block {
  font-size: 22px;
  line-height: 1.5;
  max-width: 780px;
  margin: 0 auto 30px;
}
.contact-email {
  font-size: 24px;
  text-decoration: underline;
  font-weight: 500;
  display: inline-block;
  margin-top: 20px;
  color: #000;
}
.contact-email:hover { text-decoration: none; }
.contact-meta {
  margin-top: 20px;
  font-size: 14px;
  color: #666;
  letter-spacing: 0.5px;
}

footer.site-footer {
  border-top: 1px solid #000;
  padding: 36px 40px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 80px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.site-footer__left span { color: #999; margin: 0 6px; }
.site-footer__right { display: flex; gap: 20px; color: #666; }

/* ---------- Lightbox (保留) ---------- */

.lightbox {
  position: fixed; inset: 0;
  background: rgba(240, 240, 240, .95);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  animation: fadeIn .22s ease both;
}
.lightbox__close {
  position: absolute;
  top: 24px; right: 28px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: #000;
  z-index: 2;
  transition: opacity .2s;
}
.lightbox__close:hover { opacity: .55; }
.lightbox__close svg, .lightbox__nav svg { width: 20px; height: 20px; display: block; }
.lightbox__main {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  padding: 80px 70px 30px;
  min-height: 0;
}
.lightbox__img {
  max-width: min(82vw, 1200px);
  max-height: calc(100vh - 160px);
  width: auto; height: auto;
  object-fit: contain;
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, .35);
  transition: opacity .18s ease;
}
.lightbox__img.is-fading { opacity: 0; }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  color: #000;
  opacity: .55;
  transition: opacity .2s;
}
.lightbox__nav:hover { opacity: 1; }
.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }
.lightbox__nav[disabled] { opacity: 0; pointer-events: none; }
.lightbox__footer {
  padding: 0 30px 26px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #666;
  font-variant-numeric: tabular-nums;
}

/* ---------- Responsive ---------- */

@media (max-width: 1200px) {
  .c-img-1, .c-img-2, .c-img-3, .c-img-4, .c-img-5 {
    width: 22vw; height: 14vh;
  }
}

@media (max-width: 1024px) {
  .hero-title { font-size: 15vw; }
  .c-img-3 { display: none; }
  .c-img-4, .c-img-5 { width: 20vw; height: 12vh; }

  .about-section {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    min-height: auto;
    gap: 40px;
    margin-top: 80px;
  }
  .about-profile { grid-column: 1; grid-row: 2; max-width: 100%; }
  .about-title { grid-column: 1; grid-row: 1; align-self: start; text-align: left; }
  .about-text { grid-column: 1; grid-row: 3; max-width: 100%; text-align: left; }

  .exh-container { margin-left: 20px; padding-left: 20px; border-left: none; }
  .exh-label { position: static; text-align: left; margin-bottom: 20px; border-bottom: 1px solid #000; padding-bottom: 5px; width: 100%; }
  .exh-label::after { display: none; }
  .exh-img-wrap { width: 60vw; }
}

@media (max-width: 820px) {
  .home-nav-grid { grid-template-columns: 1fr; }
  .m-art-item {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .m-art-item__divider { display: none; }
  .m-art-item__meta { flex-direction: row; gap: 20px; }
  .m-media-card__info { flex-direction: column; gap: 8px; }
  .m-media-card__date { white-space: normal; }
}

@media (max-width: 768px) {
  header.site-header { padding: 18px 20px; }
  header.site-header.is-scrolled { padding: 12px 20px; }
  .site-nav ul { gap: 16px; font-size: 10px; }
  .container { padding: 0 20px; }

  .hero-section { height: 75vh; }
  .hero-title { font-size: 18vw; }
  .hero-text { padding-left: 20px; }
  .hero-subtitle { left: 20px; bottom: 30px; font-size: 15px; }
  .collage-img { display: none; }
  .c-img-1, .c-img-2 { display: block; width: 28vw; height: 24vw; }
  .c-img-1 { top: 10vh; right: 20px; }
  .c-img-2 { top: 34vh; right: 40%; }

  .section-title { font-size: 40px; margin-bottom: 40px; }

  .photo-showcase { flex-direction: column; }
  .photo-col { width: 100%; border-right: none; border-bottom: 1px solid #000; margin-top: 0 !important; padding: 30px 0; }
  .photo-col:last-child { border-bottom: none; }
  .photo-header { text-align: left; }

  .exh-img-wrap { width: 100%; }
  .exh-info { flex-direction: column; gap: 8px; }
  .exh-meta { text-align: left; }

  .article-page { padding: 110px 20px 80px; }
  .article-title { font-size: 32px; }

  footer.site-footer { flex-direction: column; align-items: flex-start; gap: 16px; padding: 30px 20px; }
}