/* ==========================================================================
   琦迹MIRACLE — 摄影作品集
   纯静态 · 无依赖 · 系统字体
   ========================================================================== */

:root {
  --bg: #0a0a0b;
  --bg-soft: #0e0e11;
  --ink: #f2efe8;
  --muted: #8b867c;
  --muted-2: #5c5851;
  --line: rgba(242, 239, 232, 0.12);
  --line-soft: rgba(242, 239, 232, 0.06);
  --gold: #c8a97c;

  --serif: "Georgia", "Times New Roman", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Helvetica Neue", "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "SF Mono", "Consolas", "Courier New", monospace;

  --pad: clamp(1.15rem, 5vw, 5.5rem);
  --maxw: 1600px;
  --ease: cubic-bezier(0.22, 0.68, 0, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.has-cursor,
body.has-cursor a,
body.has-cursor button { cursor: none; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }

::selection { background: var(--gold); color: #0b0b0c; }

/* 颗粒 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
}

/* ==========================================================================
   加载
   ========================================================================== */

.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}

.loader.is-done { opacity: 0; visibility: hidden; }

.loader-inner { display: flex; flex-direction: column; align-items: center; gap: 1.3rem; }

.loader-word {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  letter-spacing: 0.55em;
  text-indent: 0.55em;
}

.loader-bar { display: block; width: clamp(140px, 22vw, 240px); height: 1px; background: var(--line); overflow: hidden; }

.loader-bar i { display: block; height: 100%; width: 40%; background: var(--ink); animation: loader-run 1.1s var(--ease) infinite; }

@keyframes loader-run {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(340%); }
}

.loader-note { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.4em; color: var(--muted-2); }

/* ==========================================================================
   光标
   ========================================================================== */

.cursor { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; mix-blend-mode: difference; opacity: 0; transition: opacity 0.4s ease; }
.cursor.is-visible { opacity: 1; }

.cursor-dot { position: fixed; top: 0; left: 0; width: 5px; height: 5px; margin: -2.5px 0 0 -2.5px; border-radius: 50%; background: #fff; }

.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 38px;
  height: 38px;
  margin: -19px 0 0 -19px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  transition: width 0.35s var(--ease), height 0.35s var(--ease), margin 0.35s var(--ease), background 0.35s ease;
}

.cursor-ring em { font-family: var(--mono); font-size: 0.52rem; letter-spacing: 0.16em; font-style: normal; color: #fff; opacity: 0; transition: opacity 0.25s ease; }

.cursor.is-hover .cursor-ring { width: 76px; height: 76px; margin: -38px 0 0 -38px; background: rgba(255, 255, 255, 0.06); }
.cursor.is-hover .cursor-ring em { opacity: 1; }

@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ==========================================================================
   进度 / 导航
   ========================================================================== */

.progress { position: fixed; top: 0; left: 0; right: 0; height: 1px; z-index: 60; }

.progress i { display: block; height: 100%; width: 100%; background: var(--gold); transform: scaleX(0); transform-origin: left; }

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.35rem var(--pad);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, padding 0.4s ease;
}

.nav.is-stuck {
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  background: rgba(10, 10, 11, 0.98);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom-color: var(--line-soft);
}

.brand { display: flex; align-items: baseline; gap: 0.7rem; line-height: 1; text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5); }

.brand-cn { font-family: var(--serif); font-size: 1.25rem; letter-spacing: 0.18em; }
.brand-en { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.34em; color: var(--muted); }

.nav-links { display: flex; gap: clamp(1.2rem, 2.6vw, 3rem); }

.nav-links a {
  position: relative;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: rgba(242, 239, 232, 0.8);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
  transition: color 0.3s ease;
}

.nav-links a::before {
  content: attr(data-num);
  position: absolute;
  top: -0.85rem;
  left: 0;
  font-family: var(--mono);
  font-size: 0.48rem;
  letter-spacing: 0.1em;
  color: var(--muted-2);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.5rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-mail {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: rgba(242, 239, 232, 0.7);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.nav-mail:hover { color: var(--ink); border-bottom-color: var(--line); }

/* ==========================================================================
   首屏轮播
   ========================================================================== */

.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }

.hero-stage { position: absolute; inset: 0; }

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.6s var(--ease);
}

.slide.is-active { opacity: 1; }

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}

.slide.is-active img { animation: kenburns 9s linear forwards; }

@keyframes kenburns {
  from { transform: scale(1.02); }
  to { transform: scale(1.09); }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 11, 0.6) 0%, rgba(10, 10, 11, 0.05) 26%, rgba(10, 10, 11, 0.55) 74%, var(--bg) 100%),
    linear-gradient(90deg, rgba(10, 10, 11, 0.66) 0%, rgba(10, 10, 11, 0.12) 46%, transparent 64%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(3rem, 10vh, 7rem);
}

.hero-kicker { margin: 0 0 1.2rem; font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.42em; color: var(--gold); }

.hero-title { margin: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 0.2rem; }

.mask { display: block; overflow: hidden; }
.mask--en { padding-left: 0.3em; }

.hero-cn { font-family: var(--serif); font-weight: 400; font-size: clamp(4.4rem, 15vw, 12rem); line-height: 0.92; letter-spacing: 0.06em; text-indent: 0.02em; }

.hero-en { font-family: var(--mono); font-style: normal; font-size: clamp(0.68rem, 1.4vw, 0.86rem); letter-spacing: 0.78em; color: rgba(242, 239, 232, 0.72); padding-left: 0.3em; }

.hero-motto { margin: 1.5rem 0 0; max-width: 32ch; font-size: clamp(0.92rem, 1.5vw, 1.1rem); letter-spacing: 0.14em; color: rgba(242, 239, 232, 0.9); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.4rem, 3.6vw, 3.6rem);
  margin: 2rem 0 0;
  padding-top: 1.2rem;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: rgba(242, 239, 232, 0.72);
}

.hero-meta span { display: block; margin-bottom: 0.1rem; font-family: var(--mono); font-size: 0.5rem; letter-spacing: 0.3em; color: var(--muted-2); }
.hero-meta b { font-weight: 400; color: var(--ink); }

.hero-dots {
  position: absolute;
  right: var(--pad);
  bottom: clamp(3rem, 10vh, 7rem);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.hero-dots button {
  position: relative;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  color: rgba(242, 239, 232, 0.45);
  padding-bottom: 0.35rem;
  transition: color 0.3s ease;
}

.hero-dots button::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
}

.hero-dots button.is-active { color: var(--ink); }
.hero-dots button.is-active::after { animation: dot-progress 6s linear forwards; }

@keyframes dot-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.scroll-cue { position: absolute; left: 50%; bottom: 1.2rem; z-index: 2; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }

.scroll-cue span { font-family: var(--mono); font-size: 0.48rem; letter-spacing: 0.34em; color: var(--muted); }
.scroll-cue i { display: block; width: 1px; height: 44px; background: linear-gradient(180deg, var(--ink), transparent); animation: cue 2.2s ease-in-out infinite; transform-origin: top; }

@keyframes cue {
  0%, 100% { transform: scaleY(0.35); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ==========================================================================
   格言条
   ========================================================================== */

.marquee { overflow: hidden; padding: 1rem 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--bg-soft); }

.marquee-track { display: flex; align-items: center; gap: 2.4rem; width: max-content; animation: marquee 38s linear infinite; }

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee-track span { font-family: var(--serif); font-size: clamp(0.85rem, 1.4vw, 1.05rem); letter-spacing: 0.26em; color: rgba(242, 239, 232, 0.55); white-space: nowrap; }
.marquee-track b { font-size: 0.68rem; color: var(--gold); }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   区块
   ========================================================================== */

.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(4.5rem, 10vw, 9rem) var(--pad); }

section[id] { scroll-margin-top: 76px; }

/* 区块头：巨大英文 + 小中文 */
.section-head {
  padding-bottom: clamp(1rem, 2vw, 1.6rem);
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.head-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.display-mask {
  display: block;
  overflow: hidden;
  margin: clamp(0.6rem, 1.6vw, 1.2rem) 0 0;
  padding-bottom: 0.08em;
}

.display-en {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7.6vw, 7.2rem);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: 0.005em;
  color: rgba(242, 239, 232, 0.2);
  will-change: transform;
}

.section-head h2 {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.46em;
  color: var(--gold);
}

.idx { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.2em; color: var(--gold); }
.section-note { margin: 0; font-family: var(--mono); font-size: 0.54rem; letter-spacing: 0.36em; color: var(--muted-2); }

/* ==========================================================================
   分类筛选
   ========================================================================== */

.filters {
  position: sticky;
  top: var(--nav-h, 56px);
  z-index: 20;
  padding: 0.9rem 0 1.1rem;
  margin-bottom: 1.4rem;
  background: var(--bg);
  box-shadow: 0 1px 0 var(--line-soft), 0 20px 32px -24px rgba(0, 0, 0, 0.95);
}

.filters-track {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* 吸顶时向上补一块底色，盖住导航与筛选条之间的缝 */
.filters.is-pinned::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 140px;
  background: var(--bg);
  pointer-events: none;
}

/* 吸顶时底部留一道渐隐，避免图片被硬切 */
.filters::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 26px;
  background: linear-gradient(180deg, var(--bg), rgba(10, 10, 11, 0));
  pointer-events: none;
}

.filter {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.42rem 0.95rem;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.filter sup { font-family: var(--mono); font-size: 0.48rem; color: var(--muted-2); }

.filter:hover { color: var(--ink); border-color: rgba(242, 239, 232, 0.4); }

.filter.is-active { color: #101012; background: var(--ink); border-color: var(--ink); }
.filter.is-active sup { color: rgba(16, 16, 18, 0.6); }

/* ==========================================================================
   精选折叠画廊（React 组件）
   ========================================================================== */

.featured { margin-bottom: clamp(2rem, 4vw, 3.4rem); }

.featured-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
}

.featured-label { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.42em; color: var(--gold); }
.featured-note { font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted-2); }

.featured-gallery { font-family: var(--sans); }
.featured-gallery .ag-panel { border: 1px solid rgba(242, 239, 232, 0.08); }
.featured-gallery .ag-panel__text { font-weight: 400; letter-spacing: 0.06em; }

body.has-cursor .ag-panel { cursor: none; }

@media (max-width: 780px) {
  .featured-head { flex-direction: column; gap: 0.25rem; }
  .featured-note { display: none; }
}

/* ==========================================================================
   作品墙
   ========================================================================== */

.gallery {
  column-count: 4;
  column-gap: clamp(0.6rem, 1.2vw, 1rem);
}

.ph {
  margin: 0 0 clamp(0.6rem, 1.2vw, 1rem);
  break-inside: avoid;
}

.ph[hidden] { display: none; }

.ph-media { display: block; overflow: hidden; }

.ph-btn { position: relative; display: block; width: 100%; overflow: hidden; background: var(--bg-soft); }

.ph-btn img {
  width: 100%;
  height: auto;
  transition: transform 0.9s var(--ease), filter 0.5s ease;
}

.ph-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8, 8, 10, 0.55));
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.ph-btn:hover img { transform: scale(1.035); }
.ph-btn:hover::after { opacity: 1; }

.ph figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  padding-top: 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.ph figcaption span { color: var(--muted); }
.ph figcaption time { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.08em; color: var(--muted-2); }

.gallery-empty { padding: 4rem 0; text-align: center; color: var(--muted-2); font-size: 0.86rem; letter-spacing: 0.12em; }

/* ==========================================================================
   关于
   ========================================================================== */

.about-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }

.about-quote { margin: 0; padding: 0 0 0 clamp(1.2rem, 2.4vw, 2.2rem); border-left: 1px solid var(--line); }
.about-quote p { margin: 0; font-family: var(--serif); font-size: clamp(1.4rem, 3.2vw, 2.5rem); line-height: 1.5; letter-spacing: 0.04em; }

.about-body .lead { margin: 0 0 1.3rem; font-size: clamp(1rem, 1.7vw, 1.25rem); letter-spacing: 0.08em; }
.about-body p { margin: 0 0 1rem; font-size: 0.9rem; line-height: 2; color: rgba(242, 239, 232, 0.66); }

.stats { display: flex; flex-wrap: wrap; gap: clamp(1.4rem, 4vw, 3.2rem); margin: 2.2rem 0 0; padding: 1.4rem 0 0; list-style: none; border-top: 1px solid var(--line); }

.stats b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(1.7rem, 2.8vw, 2.3rem); line-height: 1.1; }
.stats b span { font-size: 0.6em; color: var(--gold); }

.stats li > span { display: block; margin-top: 0.2rem; font-size: 0.64rem; letter-spacing: 0.16em; color: var(--muted); }

/* ==========================================================================
   联系
   ========================================================================== */

.contact-body { display: flex; flex-direction: column; gap: 1rem; }

.contact-kicker { margin: 0; font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.36em; color: var(--gold); }

.mail {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: fit-content;
  max-width: 100%;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 5vw, 3.4rem);
  line-height: 1.25;
  word-break: break-all;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.35rem;
  transition: color 0.4s ease, border-color 0.4s ease;
}

.mail i { font-family: var(--sans); font-style: normal; font-size: 0.55em; color: var(--muted); transition: transform 0.4s var(--ease), color 0.4s ease; }

.mail:hover { color: var(--gold); border-color: var(--gold); }
.mail:hover i { transform: translate(4px, -4px); color: var(--gold); }

.social { display: flex; flex-wrap: wrap; gap: 0.55rem; margin: 0.8rem 0 0; padding: 0; list-style: none; }

.social a {
  display: inline-block;
  padding: 0.48rem 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.social a:hover { color: var(--ink); border-color: rgba(242, 239, 232, 0.42); background: rgba(242, 239, 232, 0.04); }

.contact-note { margin: 0.5rem 0 0; font-size: 0.78rem; letter-spacing: 0.1em; color: var(--muted-2); }

/* ==========================================================================
   页脚
   ========================================================================== */

.foot { max-width: var(--maxw); margin: 0 auto; padding: clamp(2.2rem, 5vw, 4rem) var(--pad) 2.2rem; border-top: 1px solid var(--line); }

.foot-word { display: block; font-family: var(--serif); font-size: clamp(1.5rem, 6.2vw, 4.2rem); letter-spacing: 0.12em; line-height: 1.1; color: rgba(242, 239, 232, 0.13); white-space: nowrap; }

.foot-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.6rem; margin-top: 1.4rem; font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.16em; color: var(--muted-2); }

.foot-admin { color: var(--muted-2); border-bottom: 1px solid transparent; transition: color 0.3s ease, border-color 0.3s ease; }
.foot-admin:hover { color: var(--muted); border-bottom-color: var(--line); }

/* ==========================================================================
   灯箱
   ========================================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: clamp(1rem, 3.5vw, 2.6rem);
  background: rgba(6, 6, 7, 0.96);
  backdrop-filter: blur(12px);
}

.lightbox[hidden] { display: none; }

.lb-figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 0.9rem; min-width: 0; }
.lb-figure img { max-width: 100%; max-height: 78vh; object-fit: contain; }

.lb-figure figcaption { display: flex; gap: 1.2rem; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em; color: var(--muted); }
.lb-cap { color: rgba(242, 239, 232, 0.8); }

.lb-close { position: absolute; top: 1rem; right: 1.3rem; font-size: 1.9rem; line-height: 1; opacity: 0.65; transition: opacity 0.25s ease; }
.lb-close:hover { opacity: 1; }

.lb-prev, .lb-next {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.3s ease, border-color 0.3s ease;
}

.lb-prev:hover, .lb-next:hover { color: var(--ink); border-color: rgba(242, 239, 232, 0.5); }

/* ==========================================================================
   揭示
   ========================================================================== */

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   动效初始状态（GSAP 接管前的兜底，避免闪一下）
   ========================================================================== */

.js-motion .nav,
.js-motion .hero-kicker,
.js-motion .hero-motto,
.js-motion .hero-meta,
.js-motion .scroll-cue { opacity: 0; }

.js-motion .ph,
.js-motion .featured,
.js-motion .about-grid,
.js-motion .contact-body { opacity: 0; }

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 1500px) { .gallery { column-count: 4; } }
@media (max-width: 1200px) { .gallery { column-count: 3; } }

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .about-quote { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.4rem; }
  .nav-mail { display: none; }
}

@media (max-width: 780px) {
  .gallery { column-count: 2; }

  /* 手机端筛选条只占一行，横向滑动，别把屏幕吃掉 */
  .filters {
    padding: 0.65rem 0 0.85rem;
  }

  .filters-track {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0.45rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .filters-track::-webkit-scrollbar { display: none; }

  .filter {
    flex: 0 0 auto;
    padding: 0.34rem 0.78rem;
    font-size: 0.72rem;
  }

  .filters::after { height: 14px; }

  .section-head { grid-template-columns: auto 1fr; row-gap: 0.35rem; }
  .section-note { grid-column: 2; }
  .hero-dots { right: auto; left: var(--pad); bottom: 1.2rem; }
  .scroll-cue { display: none; }
  .lb-prev, .lb-next { position: absolute; bottom: 1.2rem; }
  .lb-prev { left: 1.2rem; }
  .lb-next { right: 1.2rem; }
}

@media (max-width: 520px) {
  .gallery { column-count: 2; column-gap: 0.5rem; }
  .ph { margin-bottom: 0.5rem; }
  .nav-links { gap: 0.9rem; }
  .nav-links a { font-size: 0.72rem; letter-spacing: 0.12em; }
  .nav-links a::before { display: none; }
  .brand-en { display: none; }
}

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