/* ==========================================================================
   和序设计 — 品牌官网样式表
   设计基调：克制、留白、以作品为主角（对标高端室内设计事务所官网）
   作者备注：所有颜色 / 间距 / 字号均用自定义属性集中管理，改一处即可全站生效
   ========================================================================== */

/* ------------------------------ 1. 设计变量 ------------------------------ */
:root {
  /* 色彩：深色基调（对标森境深灰底），浅灰为字，米色为点缀 */
  --c-paper:      #1E1E1E;
  --c-paper-alt:  #262626;
  --c-ink:        #ECECEC;
  --c-ink-soft:   #C7C7C7;
  --c-muted:      #8F8F8F;
  --c-line:       #363636;
  --c-accent:     #E3D9D1;
  --c-accent-lt:  #2F3439;

  /* 字体：中文走思源宋体系，营造设计事务所的书卷气；正文走黑体保证可读性 */
  --f-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC",
             "SimSun", Georgia, "Times New Roman", serif;
  --f-sans:  "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
             system-ui, -apple-system, "Segoe UI", sans-serif;

  /* 节奏 */
  --gutter:    clamp(20px, 4vw, 56px);
  --max-w:     1440px;
  --sec-y:     clamp(72px, 11vw, 168px);
  --radius:    2px;

  /* 动效 */
  --ease:      cubic-bezier(.22, .61, .36, 1);
  --dur:       .75s;
}

/* ------------------------------ 2. 基础重置 ------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 300;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1, h2, h3, h4 {
  font-family: var(--f-serif);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: .04em;
  margin: 0;
}

p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

/* 键盘可访问性：绝不移除焦点样式，只做美化 */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
}

::selection {
  background: var(--c-accent);
  color: #222;
}

/* ------------------------------ 3. 通用排版件 ------------------------------ */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 英文小标：小字号 + 大间距，是这类官网的标志性元素 */
.eyebrow {
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--c-muted);
  display: block;
}

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: clamp(36px, 5vw, 64px);
}

.sec-head h2 {
  font-size: clamp(26px, 3.2vw, 40px);
}

.sec-head .eyebrow { margin-bottom: 14px; }

/* 手写体级别的分割线 */
.hair {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 0;
}

/* 文字链：hover 时下划线从左侧展开 */
.link-underline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  padding-bottom: 6px;
  color: var(--c-ink);
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform .5s var(--ease);
}
.link-underline:hover::after {
  transform: scaleX(0);
  transform-origin: left;
}
.link-underline .arw {
  transition: transform .5s var(--ease);
}
.link-underline:hover .arw { transform: translateX(6px); }

/* 按钮：描边款，hover 时墨色填充 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 0 34px;
  border: 1px solid var(--c-ink);
  border-radius: var(--radius);
  font-size: 13px;
  letter-spacing: .18em;
  background: transparent;
  color: var(--c-ink);
  position: relative;
  overflow: hidden;
  transition: color .45s var(--ease), border-color .45s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-ink);
  transform: translateY(101%);
  transition: transform .55s var(--ease);
}
.btn > * { position: relative; z-index: 1; }
.btn:hover { color: var(--c-paper); }
.btn:hover::before { transform: translateY(0); }

.btn--solid {
  background: var(--c-ink);
  color: var(--c-paper);
}
.btn--solid::before { background: #2F3439; }
.btn--solid:hover { border-color: #2F3439; color: #fff; }

/* ------------------------------ 4. 页头导航 ------------------------------ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .5s var(--ease), border-color .5s var(--ease),
              backdrop-filter .5s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-solid {
  background: rgba(24, 24, 24, .92);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom-color: var(--c-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 82px;
}

/* 品牌字标 —— 换成你的 logo 图片时，把 .brand-name 换成 <img> 即可 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--f-serif);
  font-size: 20px;
  letter-spacing: .22em;
  color: #fff;
  transition: color .5s var(--ease);
  white-space: nowrap;
}
.brand-en {
  font-size: 9px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .7);
  transition: color .5s var(--ease);
  display: block;
  margin-top: -2px;
}
.is-solid .brand-name { color: var(--c-ink); }
.is-solid .brand-en { color: var(--c-muted); }

/* 首屏内导航为白字，滚过后转墨色 */
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.6vw, 44px);
}
.nav-links a {
  font-size: 13px;
  letter-spacing: .16em;
  color: rgba(255, 255, 255, .88);
  padding: 6px 0;
  position: relative;
  transition: color .4s var(--ease);
  white-space: nowrap;
}
.is-solid .nav-links a { color: var(--c-ink-soft); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.is-solid .nav-links a:hover { color: var(--c-ink); }

.nav-cta {
  font-size: 12px;
  letter-spacing: .16em;
  padding: 11px 24px;
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: var(--radius);
  color: #fff;
  transition: background .4s var(--ease), color .4s var(--ease),
              border-color .4s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover { background: #fff; color: var(--c-ink); }
.is-solid .nav-cta {
  border-color: var(--c-ink);
  color: var(--c-ink);
}
.is-solid .nav-cta:hover { background: var(--c-ink); color: var(--c-paper); }

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 102;
  flex-shrink: 0;
}
.nav-toggle span {
  position: absolute;
  left: 10px;
  width: 24px;
  height: 1px;
  background: #fff;
  transition: transform .45s var(--ease), opacity .3s, background .4s;
}
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle span:nth-child(3) { top: 31px; }
.is-solid .nav-toggle span { background: var(--c-ink); }

body.menu-open .nav-toggle span { background: var(--c-ink); }
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 101;
  background: var(--c-paper);
  padding: 96px var(--gutter) 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-100%);
  transition: transform .6s var(--ease);
  overflow-y: auto;
}
body.menu-open .drawer { transform: translateY(0); }
.drawer a {
  font-family: var(--f-serif);
  font-size: 26px;
  letter-spacing: .1em;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.drawer a .en {
  font-family: var(--f-sans);
  font-size: 10px;
  letter-spacing: .28em;
  color: var(--c-muted);
  text-transform: uppercase;
}
.drawer .drawer-foot {
  margin-top: auto;
  padding-top: 32px;
  font-size: 13px;
  color: var(--c-muted);
  line-height: 2.1;
}
.drawer .drawer-foot strong {
  display: block;
  font-family: var(--f-serif);
  font-size: 20px;
  color: var(--c-ink);
  font-weight: 400;
  letter-spacing: .1em;
  margin-bottom: 4px;
}

/* ------------------------------ 5. 首屏 ------------------------------ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: var(--c-ink);
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.06); }
  to   { transform: scale(1); }
}
/* 双层遮罩：底部压暗保证文字可读，顶部压暗让导航白字站得住 */
.hero-media::after { content: none; } /* 遮罩已由 .hero-media-overlay 承担，避免叠加过暗 */

.hero-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(56px, 9vh, 110px);
  color: #fff;
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: .38em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(32px, 5.6vw, 68px);
  line-height: 1.28;
  letter-spacing: .06em;
  max-width: 16em;
  font-weight: 400;
}
.hero-sub {
  margin-top: 26px;
  font-size: clamp(13px, 1.2vw, 15px);
  color: rgba(255, 255, 255, .8);
  max-width: 34em;
  line-height: 2;
}
.hero-foot {
  margin-top: clamp(32px, 5vh, 56px);
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(56px, 9vh, 110px);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .66);
  writing-mode: vertical-rl;
}
.hero-scroll::after {
  content: "";
  width: 1px;
  height: 54px;
  background: linear-gradient(to bottom, rgba(255,255,255,.7), transparent);
  animation: scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: .3; transform: scaleY(.6); transform-origin: top; }
  50%      { opacity: 1;  transform: scaleY(1);  transform-origin: top; }
}

/* 页面型 banner（内页用，高度较矮） */
.page-hero {
  position: relative;
  min-height: clamp(340px, 46vh, 520px);
  display: flex;
  align-items: flex-end;
  padding-top: 120px;
  padding-bottom: clamp(40px, 6vh, 72px);
  background: var(--c-ink);
  overflow: hidden;
}
.page-hero--plain { background: var(--c-paper-alt); }
.page-hero .bg {
  position: absolute;
  inset: 0;
}
.page-hero .bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero .bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(20,18,16,.66), rgba(20,18,16,.28));
}
.page-hero .wrap { position: relative; z-index: 2; color: #fff; }
.page-hero--plain .wrap { color: var(--c-ink); }
.page-hero h1 {
  font-size: clamp(28px, 4vw, 50px);
  margin-top: 16px;
}
.page-hero .lead {
  margin-top: 18px;
  max-width: 40em;
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
  line-height: 2;
}
.page-hero--plain .lead { color: var(--c-ink-soft); }
.page-hero--plain .eyebrow { color: var(--c-muted); }

/* 面包屑 */
.crumb {
  display: flex;
  gap: 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 22px;
}
.crumb a:hover { color: #fff; }

/* ------------------------------ 6. 品牌陈述 ------------------------------ */
.statement {
  padding-block: var(--sec-y);
}
.statement-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 7vw, 110px);
  align-items: start;
}
.statement-grid h2 {
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.55;
}
.statement-body p {
  color: var(--c-ink-soft);
  font-size: 15px;
  line-height: 2.15;
}
.statement-body p + p { margin-top: 20px; }
.statement-body .eyebrow { margin-bottom: 24px; }

/* 数据条 */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-line);
  border-block: 1px solid var(--c-line);
  margin-top: clamp(56px, 8vw, 96px);
}
.stats li {
  background: var(--c-paper);
  padding: clamp(24px, 3.4vw, 44px) clamp(14px, 2vw, 30px);
  text-align: center;
}
.stats .num {
  font-family: var(--f-serif);
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1;
  letter-spacing: .02em;
}
.stats .num em {
  font-style: normal;
  font-size: .48em;
  margin-left: 4px;
  color: var(--c-muted);
}
.stats .label {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-muted);
}

/* ------------------------------ 7. 双入口 ------------------------------ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-line);
  border-block: 1px solid var(--c-line);
}
.split-item {
  position: relative;
  display: block;
  min-height: clamp(420px, 56vh, 640px);
  overflow: hidden;
  background: #2A2724;
}
.split-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter .8s var(--ease);
  filter: saturate(.92) brightness(.86);
}
.split-item:hover img {
  transform: scale(1.05);
  filter: saturate(1) brightness(.95);
}
.split-item .inner {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(28px, 4vw, 56px);
  color: #fff;
}
.split-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, rgba(18,16,14,.72), rgba(18,16,14,.08) 62%);
  transition: opacity .6s var(--ease);
}
.split-item .eyebrow {
  color: rgba(255, 255, 255, .7);
  margin-bottom: 16px;
}
.split-item h3 {
  font-size: clamp(24px, 2.8vw, 36px);
  letter-spacing: .08em;
}
.split-item p {
  margin-top: 16px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .76);
  max-width: 26em;
  line-height: 1.95;
}
.split-item .go {
  margin-top: 26px;
  font-size: 12px;
  letter-spacing: .2em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.split-item .go .arw { transition: transform .5s var(--ease); }
.split-item:hover .go .arw { transform: translateX(8px); }

/* ------------------------------ 8. 作品网格 ------------------------------ */
.projects {
  padding-block: var(--sec-y);
}
.grid-projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(28px, 4vw, 64px) clamp(24px, 3.2vw, 48px);
}
.card {
  display: block;
}
.card-media {
  position: relative;
  overflow: hidden;
  background: var(--c-paper-alt);
  aspect-ratio: 4 / 3;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.card:hover .card-media img { transform: scale(1.045); }

/* 悬停时浮出的「查看案例」胶囊 */
.card-media::after {
  content: "VIEW PROJECT";
  position: absolute;
  inset: auto 0 0 0;
  padding: 16px 22px;
  font-size: 10px;
  letter-spacing: .3em;
  color: #fff;
  background: linear-gradient(0deg, rgba(18,16,14,.7), transparent);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.card:hover .card-media::after {
  opacity: 1;
  transform: translateY(0);
}

.card-body {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
  margin-top: 18px;
}
.card-body h3 {
  font-size: clamp(17px, 1.5vw, 21px);
  letter-spacing: .06em;
}
.card-meta {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-muted);
  text-align: right;
  flex-shrink: 0;
  line-height: 1.7;
}
.card-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: .2em;
  color: #2F3439;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* 交错排版：偶数项下移，制造编辑感（移动端会取消） */
.grid-projects .card:nth-child(even) { transform: translateY(clamp(0px, 4vw, 56px)); }

/* 筛选条 */
.filters {
  display: flex;
  gap: clamp(16px, 2.4vw, 36px);
  flex-wrap: wrap;
  padding-block: 26px;
  border-block: 1px solid var(--c-line);
  margin-bottom: clamp(36px, 5vw, 64px);
}
.filters button {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--c-muted);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: color .35s, border-color .35s;
}
.filters button:hover { color: var(--c-ink); }
.filters button.is-active {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}
.filters .count {
  font-size: 10px;
  vertical-align: super;
  margin-left: 3px;
  color: var(--c-accent-lt);
}

/* ------------------------------ 9. 工艺 ------------------------------ */
.craft {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  background: var(--c-paper-alt);
  align-items: stretch;
}
.craft-media {
  position: relative;
  min-height: 460px;
  overflow: hidden;
}
.craft-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.craft-body {
  padding: clamp(36px, 6vw, 88px) clamp(24px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.craft-body h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  margin-top: 16px;
  margin-bottom: 20px;
}
.craft-body > p {
  font-size: 14.5px;
  color: var(--c-ink-soft);
  line-height: 2.1;
  max-width: 32em;
}
.craft-list {
  margin-top: 36px;
  border-top: 1px solid var(--c-line);
}
.craft-list li {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
  align-items: baseline;
}
.craft-list .no {
  font-family: var(--f-serif);
  font-size: 12px;
  color: #2F3439;
  letter-spacing: .1em;
  flex-shrink: 0;
  width: 2.4em;
}
.craft-list .t {
  font-size: 15px;
  letter-spacing: .04em;
}
.craft-list .d {
  display: block;
  font-size: 12.5px;
  color: var(--c-muted);
  margin-top: 5px;
  line-height: 1.9;
}

/* ------------------------------ 10. 流程 ------------------------------ */
.process {
  padding-block: var(--sec-y);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}
.steps li {
  background: var(--c-paper);
  padding: clamp(26px, 3vw, 42px) clamp(20px, 2.4vw, 32px);
  position: relative;
  transition: background .5s var(--ease);
}
.steps li:hover { background: var(--c-paper-alt); }
.steps .no {
  font-family: var(--f-serif);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-muted);
}
.steps h3 {
  font-size: 18px;
  margin: 18px 0 12px;
  letter-spacing: .08em;
}
.steps p {
  font-size: 13px;
  color: var(--c-muted);
  line-height: 1.95;
}

/* ------------------------------ 11. 客户评价 ------------------------------ */
.quote-sec {
  padding-block: var(--sec-y);
  background: var(--c-ink);
  color: var(--c-paper);
}
.quote-sec .eyebrow { color: rgba(255,255,255,.5); }
.quote-inner {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}
.quote-inner blockquote {
  font-family: var(--f-serif);
  font-size: clamp(19px, 2.4vw, 30px);
  line-height: 1.95;
  letter-spacing: .05em;
  margin: 32px 0 0;
  font-weight: 400;
}
.quote-inner cite {
  display: block;
  margin-top: 34px;
  font-style: normal;
  font-size: 12px;
  letter-spacing: .22em;
  color: rgba(255, 255, 255, .58);
}

/* ------------------------------ 12. CTA ------------------------------ */
.cta {
  padding-block: clamp(64px, 10vw, 140px);
  text-align: center;
  border-bottom: 1px solid var(--c-line);
}
.cta h2 {
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.5;
  margin-top: 20px;
}
.cta p {
  margin-top: 20px;
  color: var(--c-ink-soft);
  font-size: 14.5px;
}
.cta .hero-foot {
  justify-content: center;
  margin-top: 40px;
}

/* ------------------------------ 13. 页脚 ------------------------------ */
.site-footer {
  background: var(--c-ink);
  color: rgba(255, 255, 255, .62);
  padding: clamp(56px, 7vw, 96px) 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(32px, 6vw, 90px);
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 22px;
  display: block;
}
.footer-brand .brand-en {
  color: rgba(255, 255, 255, .5);
  margin-top: 4px;
}
.footer-brand p {
  margin-top: 22px;
  font-size: 13px;
  line-height: 2;
  max-width: 26em;
  color: rgba(255, 255, 255, .5);
}
.footer-col h4 {
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .42);
  margin-bottom: 22px;
  font-weight: 400;
}
.footer-col li + li { margin-top: 13px; }
.footer-col a,
.footer-col span {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .78);
  transition: color .35s;
  letter-spacing: .04em;
}
.footer-col a:hover { color: #fff; }
.footer-col .tel {
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: .08em;
  color: #fff;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 28px;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .38);
}

/* ------------------------------ 14. 表单 ------------------------------ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px 28px;
}
.field { display: flex; flex-direction: column; gap: 9px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-ink-soft);
}
.field label .req { color: #2F3439; }
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 14px;
  font-weight: 300;
  color: var(--c-ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-line);
  padding: 11px 2px;
  border-radius: 0;
  transition: border-color .4s var(--ease);
  width: 100%;
  letter-spacing: .04em;
}
.field textarea { resize: vertical; min-height: 96px; line-height: 1.9; }
.field select { appearance: none; cursor: pointer; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--c-ink);
}
.field input::placeholder,
.field textarea::placeholder { color: #B6B0A6; }
.field .err {
  font-size: 11.5px;
  color: #B4462F;
  min-height: 16px;
  letter-spacing: .04em;
}
.field.has-error input,
.field.has-error textarea { border-bottom-color: #B4462F; }

.form-note {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.9;
  margin-top: 20px;
}
.form-submit { margin-top: 34px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.form-status {
  font-size: 13px;
  color: #2F3439;
  letter-spacing: .06em;
}

/* ------------------------------ 15. 内容通用块 ------------------------------ */
.sec { padding-block: var(--sec-y); }
.sec--tight { padding-block: clamp(48px, 7vw, 96px); }
.sec--alt { background: var(--c-paper-alt); }

.prose { max-width: 42em; }
.prose p { color: var(--c-ink-soft); font-size: 15px; line-height: 2.15; }
.prose p + p { margin-top: 22px; }
.prose h3 { font-size: 21px; margin: 42px 0 16px; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 90px);
  align-items: start;
}
.two-col--wide-right { grid-template-columns: .8fr 1.2fr; }

/* 团队卡 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 44px);
}
.team-card .ph {
  aspect-ratio: 3 / 4;
  background: var(--c-paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  font-size: 11px;
  letter-spacing: .2em;
  border: 1px solid var(--c-line);
}
.team-card h3 { font-size: 19px; margin-top: 20px; letter-spacing: .08em; }
.team-card .role {
  font-size: 11.5px;
  letter-spacing: .2em;
  color: #2F3439;
  margin-top: 8px;
  text-transform: uppercase;
}
.team-card p {
  font-size: 13.5px;
  color: var(--c-muted);
  margin-top: 14px;
  line-height: 1.95;
}

/* 案例详情 */
.detail-head {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-block: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--c-line);
}
.detail-head h1 { font-size: clamp(26px, 3.4vw, 42px); }
.spec-list {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 12px 44px;
  margin-top: 0;
}
.spec-list div { font-size: 12.5px; letter-spacing: .06em; }
.spec-list dt {
  color: var(--c-muted);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.spec-list dd { margin: 0; color: var(--c-ink); }

.gallery {
  display: grid;
  gap: clamp(16px, 2.4vw, 36px);
  margin-top: clamp(40px, 6vw, 72px);
}
.gallery figure { margin: 0; }
.gallery img { width: 100%; }
.gallery figcaption {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-top: 14px;
}

/* 上下篇 */
.pager {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 44px;
  border-block: 1px solid var(--c-line);
  flex-wrap: wrap;
}
.pager a { font-size: 13px; letter-spacing: .1em; display: flex; flex-direction: column; gap: 8px; }
.pager .k { font-size: 10px; letter-spacing: .26em; color: var(--c-muted); text-transform: uppercase; }
.pager a:hover { color: #2F3439; }

/* FAQ 折叠：用原生 details，无需 JS，搜索引擎也能读到答案 */
details summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: color .35s var(--ease);
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "+";
  font-family: var(--f-serif);
  font-size: 20px;
  color: #2F3439;
  flex-shrink: 0;
  transition: transform .4s var(--ease);
}
details[open] summary::after { transform: rotate(45deg); }
details summary:hover { color: #2F3439; }

/* ------------------------------ 16. 滚动入场动画 ------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
/* 网格内错峰 */
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* 尊重系统「减少动态效果」偏好 —— 无障碍硬性要求 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ------------------------------ 17. 响应式 ------------------------------ */
@media (max-width: 1080px) {
  .statement-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .craft { grid-template-columns: 1fr; }
  .craft-media { min-height: 380px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav { height: 68px; }
  /* 移动端首屏导航默认压深底，保证白字可读 */
  .site-header { background: rgba(28,27,25,.28); backdrop-filter: blur(6px); }
  .site-header.is-solid { background: rgba(251,250,248,.94); }

  .split { grid-template-columns: 1fr; }
  .grid-projects { grid-template-columns: 1fr; gap: 44px; }
  .grid-projects .card:nth-child(even) { transform: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .two-col, .two-col--wide-right { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-scroll { display: none; }
  .spec-list { grid-template-columns: repeat(2, auto); gap: 16px 30px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .quote-inner blockquote { line-height: 1.9; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .hero { min-height: 540px; }
  .card-body { flex-direction: column; align-items: flex-start; gap: 8px; }
  .card-meta { text-align: left; }
  .pager { flex-direction: column; }
}

/* 打印：让名片 / 报价单打印友好 */
@media print {
  .site-header, .drawer, .hero-scroll, .split, .cta { display: none !important; }
  body { background: #fff; }
  .site-footer { background: #fff; color: #000; }
}

/* ==========================================================================
   18. 品牌标识（博粤美装智造）
   ========================================================================== */
.brand-logo {
  height: 30px;
  width: auto;
  display: block;
}
/* 深色主题：页头 logo 恒定为白色 */
.site-header .brand-logo {
  filter: brightness(0) invert(1);
}
.site-footer .brand-logo {
  height: 38px;
  filter: brightness(1.5) saturate(1.05);
}

/* ---------------------- VR 全景角标 ---------------------- */
.vr-chip {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  font-size: 10px;
  letter-spacing: .2em;
  color: #fff;
  background: rgba(20, 18, 16, .5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .35);
  padding: 6px 13px;
  border-radius: 999px;
}

/* ---------------------- 首页居中式首屏 ---------------------- */
.hero--center .hero-inner {
  justify-content: center;
  align-items: center;
  text-align: center;
}
.hero--center .hero-title { max-width: none; }
.hero--center .hero-sub { margin-inline: auto; }
.hero--center .hero-foot { justify-content: center; }

/* ---------------------- 三档定位卡 ---------------------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.2vw, 32px);
}
.tier {
  position: relative;
  display: block;
  overflow: hidden;
  background: #26231F;
  min-height: clamp(340px, 46vh, 520px);
}
.tier img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.9) brightness(.82);
  transition: transform 1.1s var(--ease), filter .8s var(--ease);
}
.tier:hover img { transform: scale(1.05); filter: saturate(1) brightness(.92); }
.tier::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(18,16,14,.8), rgba(18,16,14,.05) 62%);
}
.tier .inner {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(24px, 3vw, 40px);
  color: #fff;
}
.tier .eyebrow { color: rgba(255,255,255,.62); margin-bottom: 12px; }
.tier h3 { font-size: clamp(20px, 2vw, 26px); letter-spacing: .1em; }
.tier p {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(255,255,255,.74);
  letter-spacing: .04em;
  max-width: 22em;
}
.tier ul {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tier li {
  font-size: 10px;
  letter-spacing: .14em;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 999px;
  padding: 5px 12px;
  color: rgba(255,255,255,.88);
  white-space: nowrap;
}

/* ---------------------- 板材产品 ---------------------- */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.2vw, 32px);
}
.mat-card img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: var(--c-paper-alt);
}
.mat-card h3 {
  font-size: 16px;
  letter-spacing: .08em;
  margin-top: 16px;
}
.mat-card .en {
  display: block;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-top: 6px;
}

/* 环保认证徽标 */
.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.cert {
  flex: 1 1 150px;
  border: 1px solid var(--c-line);
  padding: 22px 24px;
  background: var(--c-paper);
  text-align: center;
}
.cert b {
  font-family: var(--f-serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: .06em;
  display: block;
}
.cert span {
  display: block;
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--c-muted);
  margin-top: 8px;
  line-height: 1.7;
}

/* 板材 8 类 */
.mat-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}
.mat-chips li {
  background: var(--c-paper);
  padding: clamp(18px, 2.4vw, 30px) 12px;
  text-align: center;
  transition: background .4s var(--ease);
}
.mat-chips li:hover { background: var(--c-paper-alt); }
.mat-chips .cn {
  font-family: var(--f-serif);
  font-size: 16px;
  letter-spacing: .08em;
  display: block;
}
.mat-chips .en {
  display: block;
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-top: 7px;
}

/* ---------------------- 响应式补充 ---------------------- */
@media (max-width: 900px) {
  .tier-grid { grid-template-columns: 1fr; }
  .tier { min-height: 300px; }
  .mat-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .mat-chips { grid-template-columns: repeat(2, 1fr); }
  .brand-logo { height: 26px; }
}

/* ==========================================================================
   19. 极简版覆盖（全面对标 senjin：无角标、无按钮卡片、无描边）
   ========================================================================== */
.card-body {
  display: block;
  border-top: 0;
  margin-top: 0;
  padding-top: 16px;
}
.card-body h3 {
  font-size: 17px;
  letter-spacing: .08em;
}
.card-meta {
  display: block;
  text-align: left;
  margin-top: 6px;
  line-height: 1.7;
}
/* 移除悬停 VIEW PROJECT 浮层 */
.card-media::after { content: none; }
.sec-head { margin-bottom: clamp(28px, 4vw, 48px); }

/* ---------------------- 20. 中英切换 ---------------------- */
.lang-switch {
  font-size: 10.5px;
  letter-spacing: .22em;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 5px 13px !important;
  opacity: .72;
  white-space: nowrap;
  transition: opacity .35s var(--ease);
}
.lang-switch:hover { opacity: 1; }
/* 导航里的语言钮不参与下划线动画 */
.nav-links a.lang-switch::after { display: none; }
.drawer .lang-switch { font-family: var(--f-sans); font-size: 14px; }

/* ---------------------- 21. 首屏图片轮播 ---------------------- */
.hero-media .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.6s var(--ease);
}
.hero-media .slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 9s linear;   /* 缓慢推进的镜头感 */
  animation: none;
}
.hero-media .slide.is-on { opacity: 1; }
.hero-media .slide.is-on img { transform: scale(1); }

/* 原遮罩层移到独立节点，保证始终压在所有轮播图之上 */
.hero-media-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20,18,16,.42) 0%, rgba(20,18,16,0) 34%),
    linear-gradient(0deg, rgba(20,18,16,.62) 0%, rgba(20,18,16,0) 55%);
}
/* 覆盖旧 ::after（仍存在但被独立层盖住无碍）； dots 层级最高 */
.hero-dots {
  position: absolute;
  left: 50%;
  bottom: clamp(48px, 8vh, 96px);
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 12px;
}
.hero-dots button {
  width: 28px;
  height: 2px;
  padding: 0;
  background: rgba(255,255,255,.38);
  transition: background .4s var(--ease);
}
.hero-dots button.is-on { background: #fff; }
@media (max-width: 860px) {
  .hero-dots { bottom: 40px; }
}

/* ---------------------- 22. 案例详情：标题区 + 满版图墙 ---------------------- */
.detail-head {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 6vw, 90px);
  padding-block: clamp(24px, 3.5vw, 48px) clamp(40px, 5.5vw, 72px);
}
.detail-title h1 {
  font-size: clamp(26px, 3.2vw, 42px);
  letter-spacing: .06em;
  margin-top: 14px;
}
.detail-en-name {
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: clamp(15px, 1.5vw, 20px);
  letter-spacing: .04em;
  color: var(--c-ink-soft);
  margin-top: 12px;
}
.detail-meta {
  margin-top: 22px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-muted);
  line-height: 2;
}
.detail-intro p {
  font-size: 13px;
  line-height: 2.1;
  letter-spacing: .02em;
  color: var(--c-ink-soft);
}
.detail-intro p + p { margin-top: 18px; }

/* 三列满版图墙：方图、细缝、无说明文字 */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 0;
}
.gallery figure { margin: 0; overflow: hidden; background: var(--c-paper-alt); }
.gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.gallery figure:hover img { transform: scale(1.03); }
.gallery figcaption { display: none; }

@media (max-width: 900px) {
  .detail-head { grid-template-columns: 1fr; gap: 26px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- 23. Lightbox：案例图墙点击放大 ---------- */
.gallery figure { cursor: zoom-in; }

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 17, 17, .96);
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s ease, visibility .28s ease;
}
#lightbox.is-open { opacity: 1; visibility: visible; }

#lightbox .lb-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: clamp(16px, 4vw, 56px) clamp(64px, 8vw, 96px);
}
#lightbox .lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .5);
}

#lightbox .lb-count {
  position: fixed;
  left: 50%;
  bottom: clamp(16px, 3vw, 32px);
  transform: translateX(-50%);
  margin: 0;
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
  letter-spacing: .14em;
}

#lightbox .lb-btn {
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, .82);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  padding: 12px;
  transition: color .2s ease, transform .2s ease;
}
#lightbox .lb-btn:hover { color: #FFFFFF; }
#lightbox .lb-close { top: 18px; right: 22px; font-size: 34px; }
#lightbox .lb-prev { left: clamp(8px, 2vw, 28px); top: 50%; transform: translateY(-50%); }
#lightbox .lb-next { right: clamp(8px, 2vw, 28px); top: 50%; transform: translateY(-50%); }
#lightbox .lb-prev:hover { transform: translateY(-50%) translateX(-3px); }
#lightbox .lb-next:hover { transform: translateY(-50%) translateX(3px); }

@media (prefers-reduced-motion: reduce) {
  #lightbox { transition: none; }
}

/* ---------- 24. 首屏竖排菜单 + 品牌落款（森境式） ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.hero-side {
  position: absolute;
  top: clamp(84px, 14vh, 140px);
  right: clamp(24px, 4.5vw, 64px);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero-side > a {
  color: #FFFFFF;
  font-family: var(--f-sans);
  font-size: 13.5px;
  letter-spacing: .22em;
  line-height: 1;
  margin-bottom: 16px;
  text-shadow: 0 1px 10px rgba(0, 0, 0, .4);
  transition: opacity .3s ease, transform .3s ease;
}
.hero-side > a:hover { opacity: .65; transform: translateX(-4px); }
.hero-side-social {
  display: flex;
  gap: 14px;
  margin-top: 10px;
}
.hero-side-social a {
  color: rgba(255, 255, 255, .85);
  display: inline-flex;
  transition: color .3s ease, transform .3s ease;
}
.hero-side-social a:hover { color: #FFFFFF; transform: translateY(-2px); }

.hero-brand {
  position: absolute;
  right: clamp(24px, 4.5vw, 64px);
  bottom: clamp(30px, 7vh, 64px);
  z-index: 5;
  width: clamp(150px, 14vw, 190px);
}
.hero-brand img {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: .95;
}
.hero-brand ul {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.hero-brand li {
  font-family: var(--f-sans);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .85);
  border-top: 1px solid rgba(255, 255, 255, .38);
  padding: 7px 0;
}

/* 首页顶部：未滚动时隐藏横向导航，只留竖排菜单 */
body.page-home .site-header:not(.is-solid) .nav-links {
  opacity: 0;
  pointer-events: none;
}
body.page-home .site-header .lang-switch { opacity: 1; pointer-events: auto; }

@media (max-width: 720px) {
  .hero-side { display: none; }
  .hero-brand { width: 132px; right: 20px; bottom: 76px; }
}

/* ---------- 25. 页脚：深色纹理 + 居中 CONNECTION ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background: #0E0E0E;
  padding: clamp(64px, 9vw, 120px) 0 26px;
  color: rgba(255, 255, 255, .72);
}
.footer-bg {
  position: absolute;
  inset: 0;
}
.footer-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(25%) brightness(.5);
}
.footer-veil {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, .5);
}
.footer-conn {
  position: relative;
  text-align: center;
}
.footer-social {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 28px;
}
.footer-social a {
  color: rgba(255, 255, 255, .82);
  display: inline-flex;
  transition: color .3s ease, transform .3s ease;
}
.footer-social a:hover { color: #FFFFFF; transform: translateY(-2px); }
.footer-label {
  font-family: var(--f-sans);
  font-size: 12.5px;
  letter-spacing: .52em;
  text-indent: .52em;
  color: #FFFFFF;
  margin: 0 0 22px;
}
.footer-line {
  font-size: 13px;
  line-height: 2;
  color: rgba(255, 255, 255, .72);
  letter-spacing: .05em;
  margin: 0 auto;
  max-width: 62em;
}
.footer-copy {
  margin: 30px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .42);
  max-width: 62em;
}

@media (prefers-reduced-motion: reduce) {
  .hero-side > a, .hero-side-social a, .footer-social a { transition: none; }
}

/* ---------- 26. 联系页：森境式深色下划线表单 ---------- */
.contact-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.contact-form .field {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}
.contact-form .field label {
  font-family: var(--f-sans);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--c-ink-soft);
  font-weight: 400;
}
.contact-form .field label .bar {
  color: var(--c-muted);
  margin: 0 4px;
  font-weight: 300;
}
.contact-form .field input,
.contact-form .field select,
.contact-form .field textarea {
  font-size: 15px;
  border-bottom-color: rgba(255, 255, 255, .5);
  padding: 12px 2px;
}
.contact-form .field textarea {
  border: 1px solid rgba(255, 255, 255, .5);
  padding: 14px 16px;
  min-height: 150px;
}
.contact-form .field input:focus,
.contact-form .field select:focus,
.contact-form .field textarea:focus {
  border-bottom-color: #FFFFFF;
}
.contact-form .field textarea:focus {
  border-color: #FFFFFF;
}
.contact-form .field input::placeholder,
.contact-form .field textarea::placeholder { color: #6E6E6E; }
.contact-form .field select option { color: #1E1E1E; background: #FFFFFF; }
.contact-form .field.has-error input,
.contact-form .field.has-error textarea { border-bottom-color: #D05840; }

.form-submit--right {
  justify-content: flex-end;
}
.submit-line {
  background: none;
  border: 0;
  padding: 6px 0;
  color: var(--c-ink);
  font-family: var(--f-serif);
  font-size: 18px;
  letter-spacing: .12em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: gap .3s var(--ease), opacity .3s ease;
}
.submit-line:hover { gap: 20px; opacity: .75; }

/* ---------- 27. 联系页：Connection 整页版式（森境式） ---------- */
.conn-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.conn-hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: clamp(110px, 16vh, 170px);
}
.conn-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(48px, 8vw, 140px);
  align-items: start;
  flex: 1;
}
.conn-title {
  font-family: var(--f-serif);
  font-size: clamp(38px, 4.6vw, 60px);
  font-weight: 400;
  letter-spacing: .05em;
  color: var(--c-ink);
  margin: 0 0 clamp(36px, 5vh, 56px);
}
.conn-brand {
  width: clamp(160px, 13vw, 200px);
}
.conn-brand img {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: .95;
}
.conn-brand ul {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.conn-brand li {
  font-family: var(--f-sans);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .85);
  border-top: 1px solid rgba(255, 255, 255, .38);
  padding: 7px 0;
}
.conn-addr {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: clamp(48px, 9vh, 110px);
  font-size: 12.5px;
  line-height: 2;
  color: var(--c-ink-soft);
}
.conn-addr p { margin: 0; }
.conn-addr-label {
  font-family: var(--f-sans);
  font-size: 10.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 8px !important;
}
.conn-addr-tel a {
  color: var(--c-ink);
  border-bottom: 1px solid rgba(255, 255, 255, .35);
  padding-bottom: 2px;
  transition: color .3s ease, border-color .3s ease;
}
.conn-addr-tel a:hover { color: #FFFFFF; border-color: #FFFFFF; }

.conn-label {
  font-family: var(--f-sans);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--c-muted);
  margin: 0 0 30px;
}
.conn-select {
  appearance: none;
  width: auto !important;
  min-width: 200px;
  border: 1px solid rgba(255, 255, 255, .45) !important;
  border-radius: 999px;
  padding: 5px 30px 5px 16px !important;
  font-size: 12.5px !important;
  color: var(--c-ink) !important;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238F8F8F'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}
.conn-page .contact-form { max-width: none; }
.conn-page .contact-form .field { margin-bottom: 30px; }
.conn-page .form-submit { margin-top: 10px; }

.conn-bottom {
  margin-top: clamp(56px, 9vh, 100px);
  border-top: 1px solid var(--c-line);
  padding: 22px 0 30px;
}
.conn-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.conn-mail {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-ink-soft);
  transition: color .3s ease;
}
.conn-mail:hover { color: #FFFFFF; }
.conn-social {
  display: flex;
  gap: 20px;
}
.conn-social a {
  color: rgba(255, 255, 255, .78);
  display: inline-flex;
  transition: color .3s ease;
}
.conn-social a:hover { color: #FFFFFF; }
.conn-copy {
  margin: 0;
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .42);
}

@media (max-width: 900px) {
  .conn-grid { grid-template-columns: 1fr; gap: 56px; }
  .conn-addr { margin-top: 48px; }
}
@media (max-width: 560px) {
  .conn-addr { grid-template-columns: 1fr; }
  .conn-bottom-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
}