/* ==========================================================================
   上海亦派园境 —— 前台样式
   设计基调：暖白纸感 + 近黑墨色 + 苔绿点缀；无衬线大标题 + 衬线英文点缀
   ========================================================================== */

:root {
  --bg: #FAF9F6;
  --bg-2: #F2EFE8;
  --ink: #1A1815;
  --ink-soft: #4A453D;
  --muted: #8C857A;
  --line: #E2DDD4;
  --green: #566B4C;
  --dark: #15130F;
  --sans: "PingFang SC", "Hiragino Sans GB", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --pad: clamp(20px, 5vw, 76px);
  --hd-h: 88px;
}

* { box-sizing: border-box; }

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

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

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, figure, ul, ol, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--ink); color: var(--bg); }
/* <picture> 只是格式容器，不该占布局层级；img 仍按原来的父子关系排版 */
picture { display: contents; }
img { max-width: 100%; }

/* ---------------------------------------------------------------- 通用 */

.wrap { width: 100%; max-width: 1600px; margin: 0 auto; padding: 0 var(--pad); }
.wrap-narrow { max-width: 1120px; }

.eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.sec { padding: clamp(72px, 9vw, 148px) 0; }
.sec-tight { padding: clamp(56px, 6vw, 96px) 0; }
.sec-bg { background: var(--bg-2); }
.sec-dark { background: var(--dark); color: #EFEBE4; }

.sec-hd {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 26px;
  margin-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}
.sec-hd h2 {
  font-size: clamp(26px, 3.1vw, 44px);
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1.3;
  margin-top: 10px;
}
.sec-hd .more {
  flex: none;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--muted);
  padding-bottom: 6px;
  border-bottom: 1px solid transparent;
  transition: color .3s, border-color .3s;
}
.sec-hd .more:hover { color: var(--ink); border-color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 26px;
  border: 1px solid rgba(26, 24, 21, .28);
  font-size: 13px;
  letter-spacing: .16em;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-light { border-color: rgba(255, 255, 255, .4); color: #fff; }
.btn-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn .ar { font-family: var(--serif); transition: transform .35s var(--ease); }
.btn:hover .ar { transform: translateX(4px); }

/* ---------------------------------------------------------------- 头部 */

.hd {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  transition: background .45s var(--ease), box-shadow .45s var(--ease), transform .45s var(--ease);
}
.hd-in {
  height: var(--hd-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 0 var(--pad);
  max-width: 1600px;
  margin: 0 auto;
}
.hd-in::after {
  content: "";
  position: absolute;
  left: var(--pad); right: var(--pad);
  bottom: 0;
  height: 1px;
  background: rgba(255, 255, 255, .18);
  transition: opacity .4s;
}
.is-page .hd-in::after { background: var(--line); }
.is-page .hd { background: rgba(250, 249, 246, .88); backdrop-filter: blur(14px); }

.brand { display: block; line-height: 1; }
.brand-cn {
  display: block;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .24em;
  color: #fff;
  transition: color .4s;
}
.brand-en {
  display: block;
  margin-top: 7px;
  font-family: var(--serif);
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .7);
  transition: color .4s;
}
.is-page .brand-cn { color: var(--ink); }
.is-page .brand-en { color: var(--muted); }

.nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 46px); }
.nav a {
  position: relative;
  display: block;
  text-align: right;
  padding: 4px 0;
}
.nav-cn {
  display: block;
  font-size: 15px;
  letter-spacing: .22em;
  color: #fff;
  transition: color .4s;
}
.nav-en {
  display: block;
  font-family: var(--serif);
  font-size: 9px;
  letter-spacing: .22em;
  color: rgba(255, 255, 255, .55);
  transition: color .4s;
}
.is-page .nav-cn { color: var(--ink-soft); }
.is-page .nav-en { color: var(--muted); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav a:hover::after, .nav a.on::after { transform: scaleX(1); }
.nav a.on .nav-cn { color: #fff; }
.is-page .nav a.on .nav-cn { color: var(--ink); }

/* 滚动后实底 */
.hd.is-solid { background: rgba(250, 249, 246, .94); backdrop-filter: blur(16px); box-shadow: 0 1px 0 rgba(26, 24, 21, .07); }
.hd.is-solid .brand-cn { color: var(--ink); }
.hd.is-solid .brand-en { color: var(--muted); }
.hd.is-solid .nav-cn { color: var(--ink-soft); }
.hd.is-solid .nav-en { color: var(--muted); }
.hd.is-solid .nav a.on .nav-cn { color: var(--ink); }
.hd.is-solid .hd-in::after { background: var(--line); opacity: .7; }
.hd.is-solid .burger span { background: var(--ink); }

.burger { display: none; width: 30px; height: 30px; position: relative; z-index: 3; }
.burger span {
  position: absolute; left: 0; width: 24px; height: 1.5px;
  background: #fff; transition: transform .4s var(--ease), opacity .3s, background .4s;
}
.burger span:nth-child(1) { top: 10px; }
.burger span:nth-child(2) { top: 18px; }
.burger.on span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.burger.on span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
.burger.on span { background: var(--ink); }

.mnav {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--bg);
  padding: calc(var(--hd-h) + 30px) var(--pad) 40px;
  transform: translateY(-100%);
  transition: transform .55s var(--ease);
  visibility: hidden;
  overflow-y: auto;
}
.mnav.on { transform: translateY(0); visibility: visible; }
.mnav-in a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.mnav-in a em {
  font-style: normal;
  font-size: 26px;
  font-weight: 300;
  letter-spacing: .18em;
}
.mnav-in a span {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
}
.mnav-foot { margin-top: 40px; color: var(--muted); font-size: 13px; letter-spacing: .06em; }

/* ---------------------------------------------------------------- 首页大图 */

.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  background: #100F0C;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  will-change: opacity;
}
.hero-slide.on { opacity: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 7s linear;
}
.hero-slide.on img { transform: scale(1); }
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10, 9, 7, .72) 0%, rgba(10, 9, 7, .28) 38%, rgba(10, 9, 7, .12) 62%, rgba(10, 9, 7, .34) 100%);
}
.hero-in {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 var(--pad) calc(clamp(28px, 5vh, 56px) + 76px);
  max-width: 1600px;
  margin: 0 auto;
  left: 0; right: 0;
  color: #fff;
  pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(34px, 5.4vw, 76px);
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1.22;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .25);
}
.hero-sub {
  margin-top: 18px;
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .8);
}
.hero-bar {
  position: absolute;
  left: 0; right: 0;
  bottom: clamp(22px, 4vh, 44px);
  z-index: 4;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  gap: 24px;
  color: #fff;
}
.hero-idx {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .9);
  min-width: 62px;
}
.hero-idx b { font-weight: 400; color: #fff; }
.hero-prog { flex: 1; max-width: 420px; height: 1px; background: rgba(255, 255, 255, .28); position: relative; }
.hero-prog i {
  position: absolute; left: 0; top: 0; height: 100%;
  background: #fff; width: 0;
}
.hero-bar.run .hero-prog i { animation: prog 7s linear forwards; }
@keyframes prog { from { width: 0 } to { width: 100% } }

.hero-nav { display: flex; gap: 10px; margin-left: auto; }
.hero-nav button {
  width: 44px; height: 44px;
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--serif);
  font-size: 14px;
  transition: background .3s, color .3s, border-color .3s;
}
.hero-nav button:hover { background: #fff; color: var(--ink); border-color: #fff; }
.hero-bar.solo { display: none; }

.hero-scroll {
  position: absolute;
  right: var(--pad);
  bottom: clamp(40px, 7vh, 78px);
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .55);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-scroll::after {
  content: "";
  width: 1px; height: 52px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, .6), transparent);
}

/* ---------------------------------------------------------------- 首页简介 */

.intro { padding: clamp(72px, 9vw, 140px) 0 clamp(20px, 3vw, 40px); }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(28px, 6vw, 96px);
  align-items: start;
}
.intro-lead {
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 300;
  letter-spacing: .08em;
  line-height: 1.62;
}
.intro-lead em { font-style: normal; color: var(--green); }
.intro-body { color: var(--ink-soft); font-size: 15px; line-height: 2; letter-spacing: .03em; }
.intro-body p + p { margin-top: 18px; }
.intro-stats {
  display: flex;
  gap: clamp(24px, 4vw, 64px);
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.intro-stats div span {
  display: block;
  font-family: var(--serif);
  font-size: clamp(26px, 2.6vw, 38px);
  line-height: 1;
  color: var(--ink);
}
.intro-stats div em {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

/* ---------------------------------------------------------------- 项目网格 */

.pgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.6vw, 44px);
}
.pcard { display: block; }
.pcard-fig {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
  aspect-ratio: 4 / 3;
}
.pcard-fig img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 1.1s var(--ease);
}
.pcard:hover .pcard-fig img { transform: scale(1.05); }
.pcard-fig::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(10, 9, 7, 0);
  transition: background .5s;
}
.pcard:hover .pcard-fig::after { background: rgba(10, 9, 7, .08); }
.pcard-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
}
.pcard-meta h3 {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: .1em;
}
.pcard-meta span {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  flex: none;
}
.pcard-cat {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}
.pcard:hover .pcard-meta h3 { color: var(--green); }

/* 分类筛选 */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin-bottom: clamp(32px, 4vw, 52px);
}
.filters a {
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--muted);
  padding-bottom: 5px;
  border-bottom: 1px solid transparent;
  transition: color .3s, border-color .3s;
}
.filters a:hover { color: var(--ink); }
.filters a.on { color: var(--ink); border-color: var(--ink); }

/* ---------------------------------------------------------------- 服务列表 */

.svc-list { border-top: 1px solid rgba(255, 255, 255, .14); max-width: 1180px; }
.svc-list li {
  display: grid;
  grid-template-columns: 76px 240px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  transition: padding-left .4s var(--ease), color .4s;
}
.svc-list li:hover { padding-left: 12px; }
.svc-list .no { font-family: var(--serif); font-size: 12px; color: rgba(255, 255, 255, .45); letter-spacing: .1em; }
.svc-list .tx { font-size: clamp(17px, 1.8vw, 22px); font-weight: 300; letter-spacing: .1em; }
.svc-list .ds { font-size: 13px; color: rgba(239, 235, 228, .58); letter-spacing: .04em; line-height: 1.7; }

/* ---------------------------------------------------------------- 团队 */

.tgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.6vw, 44px); }
.tcard { display: block; }
.tcard-fig { position: relative; overflow: hidden; background: var(--bg-2); aspect-ratio: 4 / 5; }
.tcard-fig img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(18%);
  transition: transform 1.1s var(--ease), filter .6s;
}
.tcard:hover .tcard-fig img { transform: scale(1.04); filter: grayscale(0); }
.tcard-meta { padding-top: 16px; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.tcard-meta h3 { font-size: 17px; font-weight: 400; letter-spacing: .12em; }
.tcard-role { font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.tcard:hover h3 { color: var(--green); }

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

.phead {
  padding: calc(var(--hd-h) + clamp(48px, 7vw, 108px)) 0 clamp(36px, 4vw, 60px);
}
.phead .eyebrow { margin-bottom: 20px; }
.phead h1 {
  font-size: clamp(30px, 3.9vw, 58px);
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1.26;
}
.phead-desc {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: .03em;
}

/* 项目详情 */
.dhead { padding: calc(var(--hd-h) + clamp(40px, 6vw, 88px)) 0 clamp(28px, 3.4vw, 46px); }
.dhead-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: end;
}
.dhead h1 { font-size: clamp(28px, 3.6vw, 52px); font-weight: 300; letter-spacing: .1em; line-height: 1.3; }
.dhead .eyebrow { margin-bottom: 18px; }
.dhead-sum { margin-top: 18px; color: var(--ink-soft); font-size: 15px; line-height: 1.95; max-width: 46ch; }
.spec { border-top: 1px solid var(--line); }
.spec dl { display: grid; grid-template-columns: 88px 1fr; gap: 12px 18px; padding: 18px 0; border-bottom: 1px solid var(--line); margin: 0; }
.spec dt { font-size: 12px; letter-spacing: .14em; color: var(--muted); }
.spec dd { margin: 0; font-size: 14px; letter-spacing: .05em; }

/* 只写上下外边距：用 margin 简写会把 .wrap 的 margin:0 auto 覆盖掉，大屏下整块贴左 */
.dhero { margin-top: clamp(20px, 3vw, 36px); margin-bottom: clamp(40px, 5vw, 72px); }
.dhero img { width: 100%; height: auto; }

.article { max-width: 78ch; }
.article p { font-size: 16px; line-height: 2.05; color: var(--ink-soft); letter-spacing: .02em; }
.article p + p { margin-top: 1.25em; }
.article h2, .article h3 { font-weight: 400; letter-spacing: .08em; margin: 1.8em 0 .7em; }
.article blockquote {
  margin: 1.6em 0;
  padding-left: 22px;
  border-left: 1px solid var(--green);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.9;
}

.gal { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); margin-top: clamp(48px, 6vw, 84px); }
.gal img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.gal-3 img:first-child, .gal-4 img:first-child, .gal-5 img:first-child,
.gal-6 img:first-child, .gal-7 img:first-child, .gal-8 img:first-child,
.gal-9 img:first-child { grid-column: 1 / -1; aspect-ratio: 16 / 9; }

/* 关于页 */
.about-hero { padding: 0 0 clamp(48px, 6vw, 80px); }
.about-hero img { width: 100%; aspect-ratio: 16 / 7; min-height: 300px; object-fit: cover; }
@media (max-width: 780px) { .about-hero img { aspect-ratio: 4 / 3; } }
.about-cols { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(28px, 6vw, 90px); }
.about-cols h2 { font-size: clamp(22px, 2.4vw, 32px); font-weight: 300; letter-spacing: .1em; line-height: 1.55; }
.about-cols .article p:first-child { margin-top: 0; }
.about-cols .article p { font-size: 15.5px; line-height: 2; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: clamp(48px, 6vw, 80px) 0 0; padding-top: 34px; border-top: 1px solid var(--line); }
.about-stats div span { display: block; font-family: var(--serif); font-size: clamp(28px, 3vw, 44px); line-height: 1; }
.about-stats div em { display: block; margin-top: 12px; font-style: normal; font-size: 12px; letter-spacing: .16em; color: var(--muted); }

/* 团队详情 */
.mhead { padding: calc(var(--hd-h) + clamp(36px, 5vw, 72px)) 0 clamp(32px, 4vw, 56px); }
.mhead-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(28px, 5vw, 80px); align-items: start; }
.mhead-fig img { width: 100%; }
.mhead h1 { font-size: clamp(28px, 3.4vw, 46px); font-weight: 300; letter-spacing: .14em; }
.mhead .role { margin-top: 14px; font-size: 14px; letter-spacing: .12em; color: var(--green); }
.mhead .title { margin-top: 8px; font-size: 13px; letter-spacing: .06em; color: var(--muted); }
.mhead .intro { margin-top: 26px; font-size: 17px; line-height: 1.95; color: var(--ink-soft); letter-spacing: .02em; padding-top: 24px; border-top: 1px solid var(--line); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag-row span { font-size: 12px; letter-spacing: .08em; color: var(--ink-soft); border: 1px solid var(--line); padding: 5px 12px; border-radius: 999px; }
.mback { margin-top: 40px; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.contact-fig img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.info-list { border-top: 1px solid var(--line); }
.info-list > div { display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.info-list dt, .info-list .k { font-size: 12px; letter-spacing: .16em; color: var(--muted); padding-top: 3px; }
.info-list .v { font-size: 15px; letter-spacing: .04em; line-height: 1.85; }
.info-list .v a:hover { color: var(--green); }
.contact-note { margin-top: 26px; color: var(--muted); font-size: 13px; line-height: 1.9; letter-spacing: .03em; }

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

.ft { background: var(--dark); color: #EFEBE4; padding: clamp(56px, 7vw, 96px) 0 30px; }
.ft-in { max-width: 1600px; margin: 0 auto; padding: 0 var(--pad); }
.ft-top { display: grid; grid-template-columns: 1.6fr 1.1fr 1fr .9fr; gap: clamp(28px, 4vw, 64px); }
.ft-cn { font-size: 20px; letter-spacing: .24em; }
.ft-en { margin-top: 10px; font-family: var(--serif); font-size: 10px; letter-spacing: .3em; color: rgba(239, 235, 228, .5); }
.ft-sub { margin-top: 18px; font-size: 12px; letter-spacing: .1em; color: rgba(239, 235, 228, .45); }
.ft-col h4 { font-size: 11px; letter-spacing: .22em; color: rgba(239, 235, 228, .45); font-weight: 400; margin-bottom: 16px; }
.ft-col p { font-size: 13px; line-height: 2; color: rgba(239, 235, 228, .8); letter-spacing: .04em; }
.ft-col a:hover { color: #fff; }
.ft-col em { font-style: normal; font-family: var(--serif); font-size: 9px; letter-spacing: .16em; color: rgba(239, 235, 228, .35); margin-left: 6px; }
.ft-bot {
  margin-top: clamp(40px, 5vw, 72px);
  padding-top: 22px;
  border-top: 1px solid rgba(239, 235, 228, .12);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(239, 235, 228, .52);
}
.ft-bot a { color: inherit; border-bottom: 1px solid transparent; transition: color .3s, border-color .3s; }
.ft-bot a:hover { color: rgba(239, 235, 228, .8); border-bottom-color: rgba(239, 235, 228, .35); }

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

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide img { transform: none !important; }
  html { scroll-behavior: auto; }
}

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

@media (max-width: 1100px) {
  :root { --hd-h: 74px; }
  .nav { gap: 26px; }
  .intro-grid, .about-cols, .contact-grid, .dhead-grid, .mhead-grid { grid-template-columns: 1fr; }
  .pgrid, .tgrid { grid-template-columns: repeat(2, 1fr); }
  .ft-top { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
  .hero-scroll { display: none; }
  .svc-list li { grid-template-columns: 54px 1fr; }
  .svc-list .ds { grid-column: 2; }
  .svc-list .ds { grid-column: 2; text-align: left; margin-top: 8px; }
  .mhead-grid { grid-template-columns: 1fr; }
  .mhead-fig { max-width: 420px; }
}

@media (max-width: 780px) {
  :root { --hd-h: 64px; }
  .nav { display: none; }
  .burger { display: block; }
  .brand-cn { font-size: 16px; letter-spacing: .18em; }
  .brand-en { font-size: 8px; letter-spacing: .22em; margin-top: 5px; }
  .pgrid, .tgrid { grid-template-columns: 1fr; }
  .gal { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(30px, 8.6vw, 42px); letter-spacing: .06em; }
  .hero-sub { margin-top: 12px; font-size: 12.5px; }
  .hero-eyebrow { font-size: 10.5px; letter-spacing: .22em; margin-bottom: 12px; }
  .hero-nav { display: none; }
  .hero-in { padding-bottom: calc(26px + 64px); }
  .hero-bar { bottom: 22px; gap: 16px; }
  .hero-idx { min-width: 52px; font-size: 11px; }
  .sec-hd { flex-direction: column; align-items: flex-start; gap: 14px; }
  .ft-top { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .article p { font-size: 15px; line-height: 1.95; }
  .phead-desc { font-size: 14px; }
  .info-list > div { grid-template-columns: 1fr; gap: 6px; }
}