/* ============================================================
   MOMENT ARCH — 此刻建筑空间摄影
   与小程序同源的设计语言
   ============================================================ */

:root {
  --bg: #FAFAF9;
  --bg-alt: #F4F2EF;
  --text: #0C0A09;
  --text-2: #64748B;
  --text-3: #94A3B8;
  --gold: #C8A96E;
  --gold-soft: rgba(200, 169, 110, 0.10);
  --gold-line: rgba(200, 169, 110, 0.45);
  --border: #D6D4D1;
  --card-bg: #FAFAFA;
  --cream: #F0EAE0;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --nav-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: var(--gold); color: #fff; }

/* ---------- 版心 ---------- */
.wrap { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 64px; }
@media (max-width: 1100px) { .wrap { padding: 0 40px; } }
@media (max-width: 720px)  { .wrap { padding: 0 20px; } }

/* ---------- 通用文字 ---------- */
.eyebrow {
  font-size: 10px; font-weight: 500; letter-spacing: .34em;
  text-transform: uppercase; color: var(--text-3);
}
.serif { font-family: var(--font-serif); }
.gold { color: var(--gold); }

.section-head { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 52px; }
.section-title {
  font-family: var(--font-serif); font-size: 30px; font-weight: 600;
  letter-spacing: .26em; text-indent: .26em; text-align: center;
}
.section-sub { font-size: 10px; letter-spacing: .42em; text-transform: uppercase; color: var(--text-3); }

.rule { height: 1px; background: var(--border); width: 100%; }

/* ============================================================
   顶部导航
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 90;
  display: flex; align-items: center;
  background: rgba(250, 250, 249, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-solid { border-bottom-color: var(--border); }
.nav.nav--over { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }
.nav.nav--over .nav-brand-en, .nav.nav--over .nav-link { color: #fff; }
.nav.nav--over .nav-brand-cn { color: rgba(255,255,255,.6); }
.nav-inner { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 64px; display: flex; align-items: center; justify-content: space-between; }
@media (max-width: 1100px) { .nav-inner { padding: 0 40px; } }
@media (max-width: 720px)  { .nav-inner { padding: 0 20px; } }

.nav-brand { display: flex; flex-direction: column; gap: 2px; }
.nav-brand-en { font-family: var(--font-serif); font-size: 17px; font-weight: 600; letter-spacing: .2em; transition: color .3s; }
.nav-brand-cn { font-size: 9.5px; letter-spacing: .3em; color: var(--text-3); transition: color .3s; }

.nav-links { display: flex; align-items: center; gap: 40px; }
.nav-link {
  font-size: 12px; letter-spacing: .16em; color: var(--text-2);
  position: relative; padding: 6px 0; transition: color .25s var(--ease);
}
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--gold); transition: width .35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-menu-btn { display: none; width: 26px; height: 26px; flex-direction: column; justify-content: center; gap: 6px; }
.nav-menu-btn i { display: block; height: 1px; background: currentColor; width: 100%; }
@media (max-width: 860px) {
  /* 手机导航：四个链接直接平铺展示，不再折叠进汉堡菜单 */
  .nav-inner { padding: 0 16px; }
  .nav-links {
    position: static; flex-direction: row; align-items: center; gap: 16px;
    background: none; border: none; padding: 0; transform: none; opacity: 1; pointer-events: auto;
  }
  .nav-link { padding: 6px 0; width: auto; font-size: 11.5px; letter-spacing: .1em; }
  .nav-brand { gap: 1px; }
  .nav-brand-en { font-size: 14.5px; letter-spacing: .14em; }
  .nav-brand-cn { font-size: 8px; letter-spacing: .18em; }
  .nav-menu-btn { display: none; }
}

/* ============================================================
   Hero 轮播
   ============================================================ */
.hero { position: relative; height: 88vh; min-height: 560px; overflow: hidden; background: #1a1a18; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s var(--ease);
  background-size: cover; background-position: center;
  pointer-events: none;          /* 非激活页不接收点击，避免叠层误触 */
}
.hero-slide.is-active { opacity: 1; pointer-events: auto; }
.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,10,9,.45) 0%, rgba(12,10,9,.12) 32%, rgba(12,10,9,.55) 74%, rgba(12,10,9,.86) 100%);
}
.hero-inner {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 64px 76px;
}
@media (max-width: 1100px) { .hero-inner { padding: 0 40px 64px; } }
@media (max-width: 720px)  { .hero-inner { padding: 0 20px 52px; } }

.hero-num { font-size: 11px; letter-spacing: .3em; color: var(--gold); margin-bottom: 16px; }
.hero-title {
  font-family: var(--font-serif); font-size: clamp(30px, 4.4vw, 58px); font-weight: 500;
  color: #FAFAF9; letter-spacing: .06em; line-height: 1.3; margin-bottom: 14px;
}
.hero-meta { display: flex; align-items: center; gap: 18px; }
.hero-en { font-size: 10.5px; letter-spacing: .34em; text-transform: uppercase; color: rgba(250,250,249,.55); }
.hero-loc { font-size: 11.5px; letter-spacing: .1em; color: rgba(250,250,249,.75); }

.hero-slogan { font-family: var(--font-serif); font-style: italic; font-size: clamp(24px,3.2vw,44px); color:#FAFAF9; letter-spacing:.04em; }
.hero-inner.is-slogan { top: 0; bottom: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding-bottom: 40px; }
.hero-slogan-sub { margin-top: 18px; font-size: 10px; letter-spacing: .42em; color: var(--gold); text-transform: uppercase; }

.hero-nav { position: absolute; right: 64px; bottom: 76px; z-index: 4; display: flex; align-items: center; gap: 14px; }
@media (max-width: 720px) { .hero-nav { right: 20px; bottom: 26px; } }
.hero-dots { display: flex; gap: 8px; }
.hero-dot { width: 22px; height: 2px; background: rgba(250,250,249,.28); transition: background .3s; }
.hero-dot.on { background: var(--gold); }
.hero-arrow {
  width: 40px; height: 40px; border: 1px solid rgba(250,250,249,.28);
  display: flex; align-items: center; justify-content: center; color: #FAFAF9;
  transition: .25s var(--ease);
}
.hero-arrow:hover { border-color: var(--gold); color: var(--gold); }

/* ============================================================
   作品网格
   ============================================================ */
.section { padding: 104px 0; }
.section--tight { padding: 76px 0; }
@media (max-width: 720px) { .section { padding: 64px 0; } .section--tight { padding: 52px 0; } }

.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 46px; }
.chip {
  height: 38px; padding: 0 22px; border: 1px solid var(--border);
  font-size: 12px; letter-spacing: .12em; color: var(--text-2);
  display: inline-flex; align-items: center; transition: .25s var(--ease); background: transparent;
}
.chip:hover { border-color: var(--text-3); color: var(--text); }
.chip.on { background: var(--text); border-color: var(--text); color: var(--bg); }

/* 金色醒目入口：查看全部作品案例 → 作品页 */
.chip-cta {
  height: 38px; padding: 0 24px;
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--gold); color: #fff;
  font-size: 12px; letter-spacing: .14em; white-space: nowrap;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.chip-cta:hover { background: #AE8D55; transform: translateY(-2px); }
.chip-cta-arrow { font-size: 13px; transition: transform .25s var(--ease); }
.chip-cta:hover .chip-cta-arrow { transform: translateX(4px); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 54px 28px; }
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(2, 1fr); gap: 44px 20px; } }
@media (max-width: 560px)  { .grid { grid-template-columns: repeat(2, 1fr); gap: 26px 13px; } }

.card { display: block; }
.card-cover {
  display: block;
  position: relative; width: 100%; aspect-ratio: 3 / 2; overflow: hidden;
  background: #EFEDEA; border-radius: 3px;
}
.card-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--ease), opacity .5s ease;
  opacity: 0;
}
.card-cover img.loaded { opacity: 1; }
.card:hover .card-cover img { transform: scale(1.035); }
.card-cover::after {
  content: ''; position: absolute; inset: 0; background: rgba(12,10,9,0);
  transition: background .4s var(--ease);
}
.card:hover .card-cover::after { background: rgba(12,10,9,.10); }

.card-num {
  position: absolute; top: 14px; left: 16px; z-index: 2;
  font-size: 10px; letter-spacing: .22em; color: rgba(250,250,249,.9);
  text-shadow: 0 1px 6px rgba(0,0,0,.45);
}
.card-body { padding: 16px 2px 2px; }
.card-name {
  display: inline-block;
  font-size: 17px; font-weight: 500; letter-spacing: .06em;
  color: var(--text); line-height: 1.55;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.card-tag { font-size: 12px; color: var(--text-3); letter-spacing: .05em; transition: color .2s; }
.card-tag:hover { color: var(--gold); }
.card-meta { font-size: 12px; color: var(--text-3); letter-spacing: .05em; margin-top: 6px; }

.more-row { display: flex; justify-content: center; margin-top: 56px; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 12px; height: 50px; padding: 0 34px;
  border: 1px solid var(--gold); color: var(--gold); font-size: 12px; letter-spacing: .2em;
  background: var(--gold-soft); transition: .3s var(--ease);
}
.btn-outline:hover { background: var(--gold); color: #fff; }

/* ============================================================
   服务领域
   ============================================================ */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
@media (max-width: 720px) { .services { grid-template-columns: 1fr; } }
.service {
  background: var(--card-bg); padding: 38px 34px; display: flex; flex-direction: column; gap: 8px;
  transition: background .35s var(--ease); position: relative; overflow: hidden;
}
.service:hover { background: #fff; }
.service-name { font-size: 17px; font-weight: 500; letter-spacing: .14em; }
.service-desc { font-size: 12px; color: var(--text-2); letter-spacing: .06em; }
.service-line { width: 46px; height: 2px; background: var(--gold); margin-top: 18px; transition: width .45s var(--ease); }
.service:hover .service-line { width: 92px; }
.service-idx { position: absolute; right: 26px; bottom: 22px; font-family: var(--font-serif); font-size: 44px; color: rgba(200,169,110,.16); }

/* ============================================================
   数据 / 品牌
   ============================================================ */
.stats { display: flex; justify-content: space-around; align-items: center; padding: 12px 0; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.stat-num { font-family: var(--font-serif); font-size: 40px; font-weight: 500; letter-spacing: .02em; }
.stat-label { font-size: 11px; letter-spacing: .22em; color: var(--text-2); }
@media (max-width: 560px) { .stat-num { font-size: 30px; } }

.brands { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 38px; }
.brand { font-size: 13px; color: var(--text-2); letter-spacing: .1em; transition: color .25s; }
.brand:hover { color: var(--text); }

/* ============================================================
   CTA
   ============================================================ */
.cta { background: var(--cream); padding: 74px 40px; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.cta-q { font-family: var(--font-serif); font-size: 27px; font-weight: 600; letter-spacing: .1em; }
.cta-d { font-size: 12.5px; color: var(--text-2); letter-spacing: .08em; }
.cta-btn { margin-top: 16px; display: inline-flex; align-items: center; height: 52px; padding: 0 46px; border: 1px solid var(--gold); color: var(--gold); font-size: 12.5px; letter-spacing: .22em; transition: .3s var(--ease); }
.cta-btn:hover { background: var(--gold); color: #fff; }

/* ============================================================
   页脚
   ============================================================ */
.footer { border-top: 1px solid var(--border); padding: 64px 0 42px; }
.footer-top { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; margin-bottom: 48px; }
.footer-brand-en { font-family: var(--font-serif); font-size: 19px; letter-spacing: .2em; margin-bottom: 8px; }
.footer-brand-cn { font-size: 10px; letter-spacing: .3em; color: var(--text-3); }
.footer-col h4 { font-size: 10px; letter-spacing: .28em; color: var(--text-3); font-weight: 500; margin-bottom: 16px; text-transform: uppercase; }
.footer-col li { list-style: none; font-size: 13px; color: var(--text-2); line-height: 2.1; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 26px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-3); letter-spacing: .06em; }

/* ============================================================
   作品页：侧栏 + 内容
   ============================================================ */
.works-page { padding-top: var(--nav-h); min-height: 100vh; display: flex; flex-direction: column; }
.works-head { padding: 56px 0 34px; border-bottom: 1px solid var(--border); }
.works-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.page-title { font-family: var(--font-serif); font-size: 40px; font-weight: 600; letter-spacing: .16em; line-height: 1.2; }
.page-sub { font-size: 10px; letter-spacing: .4em; color: var(--text-3); text-transform: uppercase; margin-top: 8px; }
.search-box { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); padding: 8px 2px; min-width: 260px; }
.search-box input { border: none; outline: none; background: transparent; font-size: 13px; letter-spacing: .06em; width: 100%; color: var(--text); font-family: var(--font-sans); }
.search-box input::placeholder { color: var(--text-3); }
.search-box svg { flex-shrink: 0; }

.works-body { display: flex; flex: 1; align-items: flex-start; }
.side { width: 232px; flex-shrink: 0; padding: 40px 28px 80px 0; border-right: 1px solid var(--border); position: sticky; top: var(--nav-h); align-self: flex-start; }

.side-all, .side-group-btn {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 11px 0;
  font-size: 13.5px; letter-spacing: .1em; color: var(--text-2); text-align: left; transition: color .25s;
}
.side-all:hover, .side-group-btn:hover { color: var(--text); }
.side-all.on, .side-group-btn.on { color: var(--text); font-weight: 500; }
.side-ind { width: 0; height: 1px; background: var(--gold); transition: width .3s var(--ease); }
.side-all.on .side-ind, .side-group-btn.on .side-ind { width: 14px; }
.side-toggle { margin-left: auto; font-size: 13px; color: var(--text-3); }
.side-children { padding-left: 24px; overflow: hidden; }
.side-child { display: block; width: 100%; text-align: left; padding: 8px 0; font-size: 12.5px; color: var(--text-3); letter-spacing: .08em; transition: color .25s; }
.side-child:hover { color: var(--text-2); }
.side-child.on { color: var(--gold); }

.works-main { flex: 1; min-width: 0; padding: 40px 0 90px 48px; }
.content-head { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-bottom: 34px; }
.content-title { font-family: var(--font-serif); font-size: 24px; letter-spacing: .12em; }
.content-count { font-size: 11.5px; color: var(--text-3); letter-spacing: .08em; }

.mobile-chips { display: none; gap: 8px; overflow-x: auto; padding-bottom: 18px; -webkit-overflow-scrolling: touch; }
.mobile-chips::-webkit-scrollbar { display: none; }

@media (max-width: 900px) {
  /* 手机/平板：左侧分类栏改为紧凑悬浮栏（同小程序），可折叠展开
     注意：此块必须写在 .side / .side-* / .works-main 基础规则之后，否则会被覆盖 */
  .side { display: block; width: 76px; padding: 20px 6px 60px 0; }
  .side-all, .side-group-btn { font-size: 11.5px; padding: 8px 0; gap: 5px; white-space: nowrap; }
  .side-ind { height: 1px; }
  .side-all.on .side-ind, .side-group-btn.on .side-ind { width: 10px; }
  .side-child { font-size: 10.5px; padding: 5px 0; white-space: nowrap; }
  .side-children { padding-left: 14px; }
  .side-toggle { font-size: 10.5px; }
  .works-main { padding: 2px 0 60px 10px; }
  .mobile-chips { display: none; }
}

/* ============================================================
   项目详情
   ============================================================ */
.project-page { padding-top: var(--nav-h); }
.project-info { max-width: 760px; margin: 0 auto; padding: 68px 24px 56px; text-align: center; }
.pi-en { font-size: 10px; letter-spacing: .38em; color: var(--gold); text-transform: uppercase; margin-bottom: 16px; }
.pi-title { font-family: var(--font-serif); font-size: clamp(26px, 3.6vw, 42px); font-weight: 600; letter-spacing: .08em; line-height: 1.35; }
.pi-line { width: 46px; height: 1px; background: var(--gold); margin: 26px auto; }
.pi-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 28px; font-size: 12px; color: var(--text-2); letter-spacing: .1em; }
.pi-credit { margin-top: 34px; font-size: 11px; color: var(--text-3); letter-spacing: .12em; }
.pi-credit b { color: var(--text); font-weight: 500; letter-spacing: .16em; }

.photo-stream { max-width: 1180px; margin: 0 auto; padding: 0 24px 110px; display: flex; flex-direction: column; gap: 20px; }
.photo-stream img { width: 100%; height: auto; background: #EFEDEA; opacity: 0; transition: opacity .6s ease; cursor: zoom-in; }
.photo-stream img.loaded { opacity: 1; }
.photo-end { text-align: center; padding: 46px 0 0; font-size: 11px; letter-spacing: .28em; color: var(--text-3); }

/* 观看模式切换：单列 / 双列（电脑与手机一致） */
.view-toggle { display: flex; justify-content: center; width: max-content; margin: 0 auto 44px; border: 1px solid var(--border); background: var(--card-bg); }
.vt-btn { padding: 10px 28px; font-size: 11px; letter-spacing: .22em; color: var(--text-3); transition: .25s var(--ease); }
.vt-btn + .vt-btn { border-left: 1px solid var(--border); }
.vt-btn:hover { color: var(--text); }
.vt-btn.on { background: var(--text); color: var(--bg); }
.photo-stream.is-grid { display: block; column-count: 2; column-gap: 14px; }
.photo-stream.is-grid img { width: 100%; height: auto; margin-bottom: 14px; break-inside: avoid; -webkit-column-break-inside: avoid; }

/* 返回按钮：悬浮胶囊，翻到多深都能直接点 */
.back-row {
  position: fixed; top: calc(var(--nav-h) + 18px); left: 22px; z-index: 80;
  margin: 0; padding: 0;
}
.back-link {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 19px 10px 16px;
  background: rgba(250, 250, 249, .9);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 999px;
  font-size: 12px; letter-spacing: .16em; color: var(--text-2);
  box-shadow: 0 4px 18px rgba(12,10,9,.08);
  transition: color .25s, border-color .25s, transform .25s;
}
.back-link:hover { color: var(--gold); border-color: var(--gold-line); transform: translateX(-3px); }
@media (max-width: 720px) {
  .back-row { top: calc(var(--nav-h) + 10px); left: 14px; }
  .back-link { font-size: 11.5px; padding: 8px 15px 8px 13px; }
}

/* 灯箱 */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(10,9,8,.96); display: none; align-items: center; justify-content: center; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; object-fit: contain; }
.lb-btn { position: absolute; width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; opacity: .55; transition: opacity .25s; }
.lb-btn:hover { opacity: 1; }
.lb-prev { left: 24px; } .lb-next { right: 24px; } .lb-close { top: 18px; right: 22px; font-size: 26px; }
.lb-count { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); font-size: 11px; letter-spacing: .24em; color: rgba(255,255,255,.5); }

/* ============================================================
   关于
   ============================================================ */
.about-hero { padding: calc(var(--nav-h) + 96px) 0 84px; text-align: center; }
.about-title { font-family: var(--font-serif); font-size: clamp(28px, 4vw, 46px); font-weight: 600; letter-spacing: .14em; }
.about-lead { max-width: 640px; margin: 30px auto 0; font-size: 14px; color: var(--text-2); line-height: 2.1; letter-spacing: .04em; }

.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
@media (max-width: 960px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-cell { background: var(--card-bg); padding: 34px 30px; }
.contact-cell h5 { font-size: 10px; letter-spacing: .28em; color: var(--text-3); margin-bottom: 12px; text-transform: uppercase; font-weight: 500; }
.contact-cell p { font-size: 14px; letter-spacing: .06em; }

/* ============================================================
   关于页 · 小程序同源版块（01-07）
   ============================================================ */
.sec-tag { display:inline-block; padding: 7px 16px; background: var(--cream); color: var(--gold); font-size: 11px; font-weight: 500; letter-spacing: .22em; border-radius: 3px; margin-bottom: 26px; }
.about-sec-title { font-family: var(--font-serif); font-size: clamp(22px, 2.4vw, 30px); font-weight: 500; letter-spacing: .04em; margin-bottom: 20px; }
.about-desc { max-width: 780px; font-size: 15px; color: var(--text-2); line-height: 2.05; }

/* 02 联系方式 */
.c-row { display: flex; align-items: center; gap: 24px; padding: 22px 4px; border-bottom: 1px solid var(--border); max-width: 780px; }
.c-row:first-of-type { border-top: 1px solid var(--border); }
.c-label { width: 96px; flex-shrink: 0; font-size: 13px; color: var(--text-2); letter-spacing: .1em; }
.c-value { flex: 1; font-size: 16px; letter-spacing: .04em; }
.c-btn { padding: 7px 22px; border: 1px solid var(--gold-line); border-radius: 999px; color: var(--gold); font-size: 12px; letter-spacing: .14em; transition: all .25s var(--ease); }
.c-btn:hover { background: var(--gold); color: #fff; border-color: var(--gold); }
.c-addr { margin-top: 26px; font-size: 13px; color: var(--text-3); letter-spacing: .12em; }

/* 03 核心数据 */
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 900px; }
.metric-card { background: var(--card-bg); border: 1px solid var(--border); text-align: center; padding: 38px 20px; }
.metric-num { display: block; font-family: var(--font-serif); font-size: clamp(30px, 3.4vw, 44px); color: var(--gold); }
.metric-label { display: block; font-size: 12.5px; color: var(--text-2); letter-spacing: .18em; margin-top: 10px; }
@media (max-width: 560px) { .metric-card { padding: 26px 8px; } .metric-label { letter-spacing: .08em; } }

/* 04 发展历程 */
.timeline { position: relative; max-width: 780px; padding-left: 28px; border-left: 1px solid var(--gold-line); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ''; position: absolute; left: -32.5px; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.tl-year { display: block; font-family: var(--font-serif); font-size: 19px; color: var(--gold); letter-spacing: .06em; }
.tl-desc { display: block; margin-top: 6px; font-size: 14px; color: var(--text-2); letter-spacing: .05em; }

/* 05 团队构成 */
.team-row { display: flex; align-items: stretch; max-width: 900px; border: 1px solid var(--border); background: var(--card-bg); }
.team-item { flex: 1; text-align: center; padding: 34px 10px; }
.team-num { display: block; font-family: var(--font-serif); font-size: clamp(24px, 2.6vw, 34px); color: var(--text); }
.team-role { display: block; font-size: 12px; color: var(--text-3); letter-spacing: .2em; margin-top: 8px; }
.team-divider { width: 1px; background: var(--border); }
@media (max-width: 560px) { .team-row { flex-wrap: wrap; } .team-item { flex: 1 1 40%; } .team-divider { display: none; } }

/* 06 合作客户 / 07 器材设备 */
.client-block, .equip-group { max-width: 780px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.client-block:first-of-type, .equip-group:first-of-type { border-top: 1px solid var(--border); }
.client-cat, .equip-label { display: block; font-size: 14px; font-weight: 500; letter-spacing: .14em; color: var(--text); }
.client-list, .equip-list { display: block; margin-top: 8px; font-size: 14px; color: var(--text-2); letter-spacing: .04em; line-height: 1.95; }

/* 淡入 */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* 加载占位 */
.skeleton { position: absolute; inset: 0; background: linear-gradient(90deg, #EFEDEA 25%, #F6F4F1 50%, #EFEDEA 75%); background-size: 200% 100%; animation: sk 1.4s ease infinite; }
@keyframes sk { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ============================================================
   手机端适配（≤560px）— 只在窄屏生效，桌面端完全不受影响
   ============================================================ */
@media (max-width: 560px) {
  /* 手机版导航整体上移：收窄导航栏高度（仅手机版生效） */
  :root { --nav-h: 44px; }

  /* Hero 轮播：手机上改为 7:4 横幅（与小程序一致），照片基本完整展示 */
  .hero { height: auto; min-height: 0; aspect-ratio: 7 / 4; }
  /* 文字成组贴底（编号+标题+地点紧凑排列），字体按电脑版比例缩小 */
  .hero-inner { padding: 0 16px 36px; }
  .hero-num { font-size: 7px; margin-bottom: 2px; }
  .hero-title { font-size: 13px; margin-bottom: 4px; }
  .hero-meta { margin-top: 0; padding-bottom: 0; gap: 6px; }
  .hero-en { font-size: 7px; letter-spacing: .16em; }
  .hero-loc { font-size: 8px; }
  .hero-nav { right: 10px; bottom: 8px; gap: 6px; }
  .hero-dots { gap: 6px; }
  .hero-arrow { width: 24px; height: 24px; }
  .hero-dot { width: 11px; }

  /* 作品卡片：单排两个，封面改为 7:4 横版（桌面仍为 3:2） */
  .card-cover { aspect-ratio: 7 / 4; }
  .card-body { padding: 11px 2px 0; }
  .card-name { font-size: 14px; line-height: 1.5; }
  .card-tags { gap: 7px; margin-top: 5px; }
  .card-tag { font-size: 10.5px; }
  .card-meta { font-size: 10.5px; margin-top: 4px; }

  /* 区块标题与留白 */
  .section { padding: 56px 0; }
  .section--tight { padding: 46px 0; }
  .section-head { margin-bottom: 34px; gap: 9px; }
  .section-title { font-size: 23px; letter-spacing: .2em; text-indent: .2em; }

  /* 按钮与联系行：文字一律不折行 */
  .btn-outline, .cta-btn, .c-btn { white-space: nowrap; }
  .c-row { gap: 14px; padding: 20px 2px; }
  .c-label { width: 78px; font-size: 12.5px; }
  .c-value { font-size: 15px; }
  .c-btn { padding: 7px 15px; font-size: 11.5px; }

  /* 作品页头部与列表 */
  .works-head { padding: 38px 0 26px; }
  .page-title { font-size: 31px; }
  .works-head-row { gap: 18px; }
  .search-box { min-width: 0; }
  .content-title { font-size: 17px; letter-spacing: .1em; }
  .content-count { font-size: 10px; white-space: nowrap; }
  .content-head { margin-bottom: 20px; gap: 12px; }
  .mobile-chips { padding-bottom: 14px; }
  .works-main { padding: 20px 0 64px 10px; }

  /* 项目详情 */
  .project-info { padding: 48px 20px 40px; }
  .pi-meta { gap: 8px 18px; }
  .photo-stream { padding: 0 14px 80px; gap: 10px; }
  .view-toggle { margin-bottom: 30px; }
  .vt-btn { padding: 9px 22px; font-size: 10.5px; letter-spacing: .16em; }
  .photo-stream.is-grid { column-gap: 8px; }
  .photo-stream.is-grid img { margin-bottom: 8px; }

  /* 关于页 */
  .about-hero { padding: calc(var(--nav-h) + 56px) 0 56px; }
  .about-lead { font-size: 13.5px; line-height: 2; }
  .about-desc { font-size: 14px; }
  .metric-row { gap: 10px; }
  .metric-card { padding: 24px 6px; }

  /* 首页 CTA / 页脚 */
  .cta { padding: 56px 24px; }
  .cta-q { font-size: 22px; }
  .footer { padding: 48px 0 36px; }
  .footer-top { gap: 32px; }
}