/* 影像几何 · 免费版权字体（OFL/Apache 协议，自托管 woff2）
   - Inter（拉丁）：R/Med/SemiBold/Bold · OFL
   - Noto Sans SC（简中）：Regular/Medium/Bold · OFL
   - Noto Serif SC（简中衬线）：Medium · OFL
   通过 unicode-range 让浏览器按字符自动选字体；不依赖外部 CDN */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/Inter-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/Inter-Medium.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/Inter-SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/Inter-Bold.woff2") format("woff2");
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/NotoSansSC-Regular.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF, U+0020, U+00B7;
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/NotoSansSC-Medium.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF, U+0020, U+00B7;
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/NotoSansSC-Bold.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF, U+0020, U+00B7;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/NotoSerifSC-Medium.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF, U+0020, U+00B7;
}

:root {
  color-scheme: light;
  --ink: #121212;
  --muted: #686b70;
  --line: rgba(18, 18, 18, 0.14);
  --paper: #ffffff;
  --white: #ffffff;
  --accent: #ff4b37;
  --blue: #245cff;
  --green: #1a8f69;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Times New Roman", "Songti SC", SimSun, serif;
  --shadow: 0 24px 70px rgba(25, 29, 36, 0.16);
  --max: 1180px;

  /* ── 布局规范 token（全站统一边距/间距/容器） ── */
  /* 8pt 基础步进；移动 16、桌面 24、宽屏 56；用 clamp 自适应 */
  --pad-page-x:   clamp(20px, 4vw, 56px);    /* 内容左右安全距 */
  --pad-page-y:   clamp(64px, 10vw, 128px);   /* 章节上下间距（苹果式大留白） */
  --pad-card-x:   clamp(16px, 2.4vw, 28px);   /* 卡片/单元格左右内距 */
  --pad-card-y:   clamp(16px, 2.4vw, 28px);   /* 卡片/单元格上下内距 */
  --gap-section:  clamp(64px, 10vw, 128px);   /* 大块垂直间距（苹果式大留白） */
  --gap-row:      clamp(12px, 2vw, 24px);     /* 行内垂直间距 */
  --gap-grid:     clamp(14px, 1.6vw, 28px);  /* 网格列间距 */
  --max-content:  1280px;                    /* 主内容最大宽（含案例/作品） */
  --max-narrow:   720px;                     /* 段落/文字块最大读宽 */
  --max-prose:    640px;                     /* 描述/引文最大读宽 */
  --radius-card:  14px;                      /* 卡片圆角（苹果式大圆角） */
  --radius-pill:  999px;                     /* 胶囊圆角 */
}

/* ── 通用容器：限定最大宽 + 水平安全距 + 居中（首页/作品/项目/案例共用） ── */
.wrap {
  width: 100%;
  max-width: var(--max-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad-page-x);
  padding-right: var(--pad-page-x);
  box-sizing: border-box;
}

/* 章节统一：垂直留白 + 容器约束；文字块走 .wrap */
.sec {
  padding-top: var(--pad-page-y);
  padding-bottom: var(--pad-page-y);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
}

img,
video {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: fixed;
  z-index: 40;
  top: 18px;
  left: 50%;
  display: flex;
  width: min(calc(100% - 32px), var(--max));
  transform: translateX(-50%);
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(18, 18, 18, 0.12);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 40px rgba(20, 20, 20, 0.10);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  pointer-events: auto;
}

.brand {
  min-height: 56px;
  padding: 9px 18px;
  border-radius: 999px;
}

.brand-logo {
  display: block;
  height: 32px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: 6px;
}

.brand-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
}

.brand-name {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-links {
  min-height: 42px;
  padding: 5px;
  border-radius: 999px;
}

.nav-links a {
  padding: 8px 13px;
  border-radius: 999px;
  color: #2c2c2c;
  font-size: 14px;
  transition: background-color 180ms ease, color 180ms ease;
}

.nav-links a:hover {
  background: var(--ink);
  color: var(--white);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid rgba(18, 18, 18, 0.16);
}

.lang-option {
  padding: 8px 7px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: #9a9da2;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: color 180ms ease;
}

.lang-option:hover {
  color: var(--ink);
}

.lang-option.is-active {
  color: var(--accent);
}

.lang-sep {
  color: rgba(18, 18, 18, 0.24);
  font-size: 12px;
}

.hero {
  min-height: 100svh;
  padding: 0 18px;
}

.hero-stage {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(500px, 0.9fr) minmax(540px, 1fr);
  gap: clamp(42px, 6vw, 96px);
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding: clamp(100px, 12vh, 140px) clamp(56px, 7vw, 106px) clamp(64px, 8vh, 88px);
  isolation: isolate;
}

.hero-copy {
  position: relative;
  z-index: 12;
  grid-column: 1;
  grid-row: 1;
  left: auto;
  top: auto;
  width: min(600px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  line-height: 0;
}

.hero-logo {
  display: block;
  width: auto;
  height: 240px;
  max-width: 100%;
  object-fit: contain;
}

.hero-word {
  display: block;
}

.hero-word-en {
  font-size: clamp(52px, 7vw, 102px);
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.hero-word-en em {
  padding-right: 0.02em;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.hero-word-en sup {
  margin-left: 0.1em;
  color: var(--accent);
  font-size: 0.2em;
  font-weight: 700;
  letter-spacing: 0;
}

.hero-word-cn {
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 600;
  letter-spacing: 0.42em;
  line-height: 1.25;
}

.hero-word-en-alt {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(26px, 3vw, 44px);
  letter-spacing: -0.01em;
  line-height: 1.12;
  color: #2c2c2c;
}

.hero-sub {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero-sub i {
  padding: 0 0.34em;
  color: var(--accent);
  font-style: normal;
}

.hero-vertical {
  position: absolute;
  top: clamp(110px, 15vh, 170px);
  left: clamp(18px, 2.6vw, 40px);
  z-index: 11;
  padding-top: 20px;
  writing-mode: vertical-rl;
  color: #8a8d92;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5em;
}

.hero-vertical::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 13px;
  background: var(--accent);
}

.hero-lede {
  width: min(520px, 100%);
  margin: 22px 0 0;
  color: #2e3034;
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.52;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 45px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.5);
}

.hero-board {
  position: relative;
  z-index: 5;
  grid-column: 2;
  grid-row: 1;
  display: grid;
  width: min(100%, 760px);
  aspect-ratio: 1.14 / 1;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-template-rows: repeat(6, minmax(0, 1fr));
  gap: clamp(10px, 1vw, 16px);
  align-items: stretch;
  justify-self: end;
}

.hero-board::before {
  position: absolute;
  inset: -16px;
  z-index: -1;
  border: 1px solid rgba(18, 18, 18, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.22);
  content: "";
}

.media-tile {
  position: relative;
  z-index: 4;
  width: 100%;
  min-width: 0;
  max-width: none;
  height: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(18, 18, 18, 0.16);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  transform: none;
  transition: transform 260ms ease, box-shadow 260ms ease, opacity 260ms ease;
  cursor: pointer;
}

.media-tile:hover {
  box-shadow: 0 30px 90px rgba(25, 29, 36, 0.24);
  transform: translateY(-4px);
}

.media-tile img,
.media-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-tile figcaption {
  position: absolute;
  left: 8px;
  bottom: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  padding: 5px 9px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  backdrop-filter: blur(16px);
}

.tile-large {
  grid-column: 1 / 3;
  grid-row: 3 / 7;
}

.tile-wide {
  grid-column: 3 / 7;
  grid-row: 1 / 3;
}

.tile-tall {
  grid-column: 5 / 7;
  grid-row: 3 / 7;
}

.tile-medium {
  grid-column: 3 / 5;
  grid-row: 5 / 7;
}

.tile-small {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}

.tile-mini {
  grid-column: 3 / 5;
  grid-row: 3 / 5;
}

.scroll-cue {
  position: absolute;
  right: clamp(18px, 4vw, 56px);
  bottom: 34px;
  z-index: 9;
  display: grid;
  gap: 3px;
  color: #393b3d;
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.scroll-cue::after {
  content: "";
  width: 1px;
  height: 54px;
  margin: 8px 0 0 auto;
  background: var(--ink);
  animation: cue 1.4s ease-in-out infinite;
}

@keyframes cue {
  0%,
  100% {
    transform: scaleY(0.45);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
}

@media (max-width: 1180px) {
  .hero-vertical {
    display: none;
  }

  .hero-stage {
    grid-template-columns: minmax(420px, 0.9fr) minmax(460px, 1fr);
    gap: 36px;
    padding-inline: 36px;
  }

  .hero h1 {
    font-size: clamp(48px, 6vw, 74px);
  }
}

.service-strip,
.contact-band {
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
}

.service-strip {
  padding: clamp(72px, 12vw, 132px) 0;
}

.service-strip h2,
.contact-band h2 {
  margin: 0;
  font-size: clamp(32px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  border: 1px solid var(--line);
  background: var(--line);
}

.service-grid article {
  position: relative;
  min-height: 178px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.54);
}

.service-no {
  position: absolute;
  top: 20px;
  right: 20px;
  color: rgba(18, 18, 18, 0.22);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.service-en {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.service-grid h3 {
  margin: 10px 0 10px;
  font-size: clamp(20px, 2vw, 24px);
  letter-spacing: 0.01em;
  min-height: 2.4em;            /* 统一 2 行高度，让 6 格标题基线齐平 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.service-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.55fr);
  gap: 34px;
  align-items: end;
  padding: clamp(72px, 12vw, 132px) 0;
  border-top: 1px solid var(--line);
}

.contact-band h2 .contact-accent {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
}

html[lang="zh-CN"] .contact-band h2 .contact-accent {
  font-style: normal;
}

.contact-links {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.contact-links a {
  border-bottom: 1px solid currentColor;
  color: var(--blue);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 800;
}

.contact-phone {
  color: var(--ink) !important;
  font-size: clamp(14px, 1.4vw, 16px) !important;
  font-weight: 600 !important;
  border-bottom: 1px solid var(--line) !important;
}

.contact-lede {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: clamp(14px, 1.4vw, 16px);
  max-width: 38ch;
  line-height: 1.55;
}

.areas-strip {
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
  padding: 38px 56px 56px;            /* 水平 padding 与其他 section 对齐（kicker x=186 一致线） */
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 28px;
  overflow: hidden;
}

.areas-kicker {
  flex-shrink: 0;
}

.areas-marquee {
  display: flex;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.areas-track {
  display: inline-flex;
  flex-shrink: 0;
  gap: 44px;
  white-space: nowrap;
  animation: areas-scroll 32s linear infinite;
}

.areas-track span {
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.areas-track i {
  margin-left: 7px;
  color: var(--muted);
  font-style: normal;
  font-weight: 500;
}

.areas-track span::after {
  content: "·";
  margin-left: 44px;
  color: var(--accent);
  font-weight: 800;
}

@keyframes areas-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-100%);
  }
}

.site-footer {
  display: flex;
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
  padding: 24px 0 32px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.filing-link {
  color: inherit;
  border-bottom: 1px solid rgba(18, 18, 18, 0.28);
}

.filing-link:hover,
.filing-link:focus-visible {
  color: var(--ink);
  border-bottom-color: currentColor;
}

.preview-modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  overflow-y: auto;
}

.preview-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.preview-frame {
  width: fit-content;            /* 收缩到 img 实际尺寸，避免左右黑边 */
  max-width: 1040px;
  max-height: 78svh;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-frame img,
.preview-frame video {
  display: block;
  max-width: 1040px;
  max-height: 78svh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.preview-modal.has-thumbs .preview-frame {
  max-height: 64svh;
}
.preview-modal.has-thumbs .preview-frame img,
.preview-modal.has-thumbs .preview-frame video {
  max-height: 64svh;
}

@media (max-width: 640px) {
  .preview-frame,
  .preview-frame img,
  .preview-frame video {
    max-height: 72svh;
  }
  .preview-modal.has-thumbs .preview-frame,
  .preview-modal.has-thumbs .preview-frame img,
  .preview-modal.has-thumbs .preview-frame video {
    max-height: 56svh;
  }
}

.preview-thumbs {
  width: min(1040px, 100%);
  margin: 14px auto 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 2px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
  -webkit-overflow-scrolling: touch;
}

.preview-thumbs::-webkit-scrollbar {
  height: 6px;
}

.preview-thumbs::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

.preview-thumbs:empty,
.preview-thumbs[hidden] {
  display: none;
}

.preview-thumb {
  flex: 0 0 auto;
  width: 96px;
  height: 64px;
  border: 2px solid transparent;
  border-radius: 6px;
  background: var(--ink);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  scroll-snap-align: center;
  transition: border-color 0.15s, transform 0.15s, opacity 0.15s;
  opacity: 0.55;
}

.preview-thumb img,
.preview-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-thumb:hover {
  opacity: 0.9;
  border-color: var(--muted);
}

.preview-thumb.active {
  border-color: var(--accent);
  opacity: 1;
  transform: scale(1.04);
}

.preview-nav-arrow {
  position: absolute;
  top: 50%;
  width: 42px;
  height: 42px;
  margin-top: -56px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  transition: opacity 0.15s, transform 0.15s;
  z-index: 2;
}

.preview-nav-arrow:hover {
  background: var(--ink);
  color: var(--white);
}

.preview-nav-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.preview-nav-arrow.prev {
  left: 16px;
}

.preview-nav-arrow.next {
  right: 16px;
}

@media (max-width: 640px) {
  .preview-frame,
  .preview-frame img,
  .preview-frame video {
    max-height: 56svh;
  }
  .preview-thumb {
    width: 72px;
    height: 48px;
  }
  .preview-nav-arrow {
    width: 36px;
    height: 36px;
    margin-top: -48px;
    font-size: 16px;
  }
  .preview-nav-arrow.prev {
    left: 8px;
  }
  .preview-nav-arrow.next {
    right: 8px;
  }
}

.preview-close {
  position: fixed;
  top: 20px;
  right: 20px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.preview-label {
  margin: 14px 0 0;
  color: var(--ink);
  text-align: center;
  line-height: 1.45;
}

.preview-label .preview-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.preview-label .preview-meta {
  margin-top: 4px;
  color: #686b70;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

@media (max-width: 860px) {
  .site-header {
    top: 12px;
    width: calc(100% - 24px);
  }

  .brand-name {
    display: none;
  }

  .brand {
    min-height: 46px;
    padding: 7px 14px;
  }

  .brand-logo {
    height: 26px;
  }

  .nav-links a {
    padding: 8px 10px;
  }

  .hero {
    padding: 0;
  }

  .hero-stage {
    display: flex;
    min-height: auto;
    padding: 96px 18px 34px;
    flex-direction: column;
  }

  .hero-board {
    position: relative;
    top: auto;
    right: auto;
    order: 2;
    width: 100%;
    height: auto;
    margin-top: 26px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    gap: 12px;
  }

  .hero-board::before {
    display: none;
  }

  .hero-copy {
    position: relative;
    left: auto;
    top: auto;
    bottom: auto;
    order: 1;
    width: 100%;
    padding-top: 32px;
  }

  .hero h1 {
    gap: 12px;
  }

  .hero-logo {
    height: 76px;
  }

  .hero-word-en {
    font-size: clamp(46px, 13vw, 88px);
  }

  .hero-word-cn {
    font-size: 22px;
    letter-spacing: 0.28em;
  }

  .hero-sub {
    letter-spacing: 0.16em;
  }

  .hero-actions {
    gap: 10px;
  }

  .button {
    min-height: 43px;
    padding: 0 16px;
  }

  .media-tile {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    height: auto;
    min-width: 0;
    max-width: none;
    transform: none;
  }

  .media-tile:hover {
    transform: none;
  }

  .hero-stage::before {
    display: none;
  }

  .hero-stage {
    overflow-x: hidden;
  }

  .tile-large,
  .tile-wide {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 16 / 10;
  }

  .tile-tall,
  .tile-medium,
  .tile-small,
  .tile-mini {
    grid-column: auto;
    grid-row: auto;
    aspect-ratio: 4 / 3;
  }

  .hero-stage {
    gap: 14px;
  }

  .scroll-cue {
    display: none;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-grid article {
    min-height: 148px;
  }

  .service-grid h3 {
    margin-top: 10px;
  }

  .contact-band {
    grid-template-columns: 1fr;
  }

  .contact-links {
    justify-items: start;
  }

  .areas-strip {
    flex-direction: column;
    gap: 10px;
  }

  .site-footer {
    display: grid;
    gap: 8px;
  }

  .footer-meta {
    justify-content: start;
  }
}

@media (max-width: 560px) {
  .nav-links {
    gap: 0;
  }

  .nav-links a {
    padding: 8px 8px;
    font-size: 13px;
  }

  .lang-switch {
    margin-left: 0;
    padding-left: 5px;
  }

  .lang-option {
    padding: 8px 4px;
    font-size: 12px;
  }

  .hero-stage {
    padding-top: 86px;
  }

  .hero-lede {
    font-size: 16px;
  }

  .media-tile {
    width: 100%;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ═══════════════════════ Footprints · 世界地图模块 ═══════════════════════ */
.footprints-band { padding: 88px 24px 56px; background: var(--paper); }
.footprints-band .section-kicker { text-align: center; }
.footprints-band h2 { text-align: center; margin-top: 12px; font-size: clamp(32px, 5.4vw, 76px); font-weight: 700; letter-spacing: -.01em; line-height: 1.02; color: var(--ink); }
.footprints-lede { text-align: center; color: var(--muted); font-size: clamp(13px, 1.1vw, 15px); margin-top: 14px; margin-bottom: 40px; }
.map-stage { width: 100%; max-width: 1080px; margin: 0 auto; position: relative; }
.map-stage svg { width: 100%; height: auto; display: block; }
.map-stage .map-dot { fill: rgba(18,18,18,.22); }
.map-stage .city-g { cursor: pointer; }
.map-stage .city-dot { fill: var(--accent); transition: transform .18s ease; transform-origin: center; }
.map-stage .city-pulse { fill: var(--accent); opacity: .18; transform-origin: center; animation: igeo-city-pulse 2.6s ease-out infinite; }
.map-stage .city-label { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; font-size: 11px; font-weight: 500; fill: var(--ink); opacity: 0; pointer-events: none; paint-order: stroke fill; stroke: #fff; stroke-width: 4px; stroke-linejoin: round; transition: fill .18s ease, font-weight .18s ease; }
.map-stage .city-g.is-core .city-label { opacity: 1; }
.map-stage .city-g:hover .city-dot, .map-stage .city-g:focus-visible .city-dot { transform: scale(1.45); }
.map-stage .city-g:hover .city-pulse, .map-stage .city-g:focus-visible .city-pulse { animation-duration: 1.4s; }
.map-stage .city-g:hover .city-label, .map-stage .city-g:focus-visible .city-label { opacity: 1; fill: var(--accent); font-weight: 700; }
.map-stage .city-g.is-active .city-label { opacity: 1; fill: var(--accent); font-weight: 700; }
.map-stage .city-g.is-active .city-dot { transform: scale(1.45); }
@keyframes igeo-city-pulse {
  0%   { transform: scale(1);   opacity: .35; }
  70%  { transform: scale(4.2); opacity: 0;  }
  100% { transform: scale(4.2); opacity: 0;  }
}
.city-legend {
  list-style: none; max-width: 980px; margin: 28px auto 0; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 14px;
}
.city-legend li {
  font-size: 13px; color: var(--ink); padding: 6px 14px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--paper); cursor: pointer; transition: all .18s ease;
  display: inline-flex; align-items: center; gap: 6px;
}
.city-legend li::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--accent); flex: none; }
.city-legend li:hover, .city-legend li.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.city-legend li em { font-style: normal; opacity: .55; font-size: 11px; }

@media (max-width: 760px) {
  .footprints-band { padding: 56px 18px 36px; }
  .map-stage .city-label { font-size: 10px; }
  .city-legend { gap: 6px 8px; }
  .city-legend li { font-size: 12px; padding: 5px 10px; }
}

/* ════════════════════════════════════════════════════════
   Inline Logo Editor（前台就地编辑工具条，仅 admin 登录态可见）
   ════════════════════════════════════════════════════════ */
.logo-slot-wrap {
  display: inline-block;
  vertical-align: middle;
  max-width: 100%;
}
.logo-editable {
  position: relative;
  outline: 1.5px dashed transparent;
  outline-offset: 4px;
  transition: outline-color 0.15s ease;
}
.logo-editable:hover {
  outline-color: var(--accent);
}
/* 工具条放进 slot 内部：hover 状态跨元素继承（slot ↔ toolbar 互移不丢失） */
.logo-editable:hover .logo-edit-toolbar,
.logo-edit-toolbar:hover,
.logo-edit-toolbar.show {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 6px 8px;
}
.logo-edit-toolbar {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -78px);
  z-index: 100;
  display: none;
  align-items: center;
  gap: 3px;
  padding: 4px 6px;
  background: var(--ink);
  color: var(--white);
  border-radius: 14px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  user-select: none;
  pointer-events: auto;
}
/* 🆕 工具条上半部：尺寸对照「当前 N · 默认 M px」 */
.logo-edit-toolbar .tb-info {
  display: inline-flex; align-items: baseline; justify-content: center;
  gap: 4px; padding: 0 4px 4px; border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
}
.logo-edit-toolbar .tb-info .tb-label { color: rgba(255,255,255,0.45); }
.logo-edit-toolbar .tb-info .tb-sep { margin: 0 2px; color: rgba(255,255,255,0.25); }
.logo-edit-toolbar .tb-info b {
  color: #fff; font-weight: 800; font-variant-numeric: tabular-nums;
  font-size: 11.5px; padding: 0 2px;
}
.logo-edit-toolbar .tb-info b.tb-cur { color: var(--accent); }
.logo-edit-toolbar .tb-info .tb-unit { color: rgba(255,255,255,0.4); margin-left: 1px; }
/* 🆕 工具条下半部：三按钮行 */
.logo-edit-toolbar .tb-actions {
  display: inline-flex; align-items: center; gap: 2px; justify-content: center;
}
.logo-edit-toolbar button {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 13px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.15s ease;
}
.logo-edit-toolbar button:hover {
  background: rgba(255,255,255,0.18);
}
.logo-edit-toolbar .logo-edit-handle {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  cursor: ns-resize;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}
#logo-edit-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--white);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  z-index: 200;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
}
#logo-edit-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
#logo-edit-toast.err {
  background: var(--accent);
}

/* ========== HIMA · FRAME Awards 满幅横幅（Hero 之下 / 服务之上） ========== */
.awards-banner {
  position: relative;
  overflow: hidden;
  background: #0f0f12;
  color: var(--white);
}
.awards-banner .ab-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}
.awards-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 10, 12, 0.86) 0%, rgba(10, 10, 12, 0.6) 40%, rgba(10, 10, 12, 0.22) 72%, rgba(10, 10, 12, 0.42) 100%);
}
.awards-banner .ab-credit {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  padding: 6px 14px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  backdrop-filter: blur(8px);
}
.ab-inner {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
  padding: clamp(76px, 12vw, 150px) 0;
}
.ab-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 20px;
}
.ab-badge {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 7px 14px;
  border-radius: 999px;
}
.ab-tag {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 7px 14px;
  border-radius: 999px;
}
.ab-title {
  margin: 0 0 16px;
  max-width: 16em;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4.8vw, 66px);
  line-height: 1.08;
  letter-spacing: 0;
  color: #fff;
}
.ab-desc {
  margin: 0 0 30px;
  max-width: 540px;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.65;
}
.ab-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.ab-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  transition: transform 180ms ease;
}
.ab-cta:hover {
  transform: translateY(-2px);
}
.ab-score {
  font-family: var(--serif);
  color: #fff;
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: 0;
}
.ab-score small {
  font-size: 0.5em;
  color: rgba(255, 255, 255, 0.55);
}
@media (max-width: 720px) {
  .awards-banner .ab-credit {
    display: none;
  }
  .ab-inner {
    padding: 84px 0 76px;
  }
}



/* ═══════════════════════ 4-pack 动效 · Motion & Texture ═══════════════════════ */

/* ① sig-duo titles: fade in line-by-line */
.sd-title,
.sd-title em {
  opacity: 0;
  transform: translateY(18px);
  animation: sd-line-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.sd-title em {
  animation-delay: 0.14s;
}

@keyframes sd-line-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ② 01/02 parallax drift on scroll */
.sd-num {
  will-change: transform;
}

/* ③ card hover lift（苹果式轻浮起） */
.sig-panel {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
}

.sig-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(20, 20, 20, 0.10);
}

/* ④ Hero character fade-in */
.hero-word-en,
.hero-word-cn,
.hero-word-en-alt {
  opacity: 0;
  transform: translateY(22px);
  animation: hero-char-rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-word-cn {
  animation-delay: 0.1s;
}

.hero-word-en-alt {
  animation-delay: 0.2s;
}

@keyframes hero-char-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* serif title weight contrast: main title 500, subtitle (em) 400 */
.sd-title {
  font-weight: 500;
}

.sd-title em {
  font-weight: 400;
}

/* reduced motion: kill all reveal animations */
@media (prefers-reduced-motion: reduce) {
  .sd-title .line,
  .sd-title em,
  .hero-word-en,
  .hero-word-cn,
  .hero-word-en-alt {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .sd-num {
    transform: none;
    transition: none;
  }
}

/* ═══════════════════════ 镇店项目双璧 · Signature Projects（苹果化重做） ═══════════════ */
.sig-duo {
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0;
}
.sig-duo::before { display: none; }

.sig-inner {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 40px), 1480px);
  margin: 0 auto;
  padding: clamp(64px, 9vw, 116px) 0 clamp(56px, 8vw, 96px);
}

.sig-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.sig-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
}

.sig-note {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 1.5px;
}

.sig-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-grid);
  background: transparent;
}

.sig-panel {
  position: relative;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  padding: clamp(36px, 4.2vw, 56px);
  aspect-ratio: 1.14 / 1;
  min-height: 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
}
.sig-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(20, 20, 20, 0.10);
}

.sig-panel.sig-primary .sd-bg,
.sig-panel.sig-secondary .sd-bg { display: none; }

.sig-panel.sig-primary .sd-num,
.sig-panel.sig-secondary .sd-num {
  position: absolute;
  right: 0.04em;
  top: -0.04em;
  z-index: 0;
  font-family: var(--serif);
  font-size: clamp(120px, 15vw, 220px);
  line-height: 1;
  color: rgba(18, 18, 18, 0.04);
  user-select: none;
  pointer-events: none;
  font-weight: 500;
}

/* 统一两卡字号：消除 title 高度差，让 head/title/desc/tags/cta 在两卡 y 坐标完全一致 */
.sig-panel.sig-primary .sd-title,
.sig-panel.sig-secondary .sd-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: 0;
  color: var(--ink);
}
.sig-panel.sig-primary .sd-title em,
.sig-panel.sig-secondary .sd-title em {
  display: block;
  margin-top: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: clamp(15px, 1.6vw, 19px);
  line-height: 1.4;
  color: var(--muted);
}

.sig-panel .sd-bg { display: none; }
.sig-panel:has(> .sd-bg)::after { display: none; }

.sd-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(16px, 1.6vw, 24px);
}

.sd-head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.sd-brand {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2.4px;
  color: var(--ink);
  text-transform: uppercase;
}

.sd-status {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.4px;
  position: relative;
  padding-left: 14px;
  white-space: nowrap;          /* 防止 status 换行让两卡高度不一致 */
}
.sd-status::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.sd-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
  max-width: 38em;
  /* 统一两卡 desc 高度槽位：让 tags/cta 在两卡 y 坐标完全一致 */
  min-height: calc(1.72em * 3);
}

.sd-tags {
  margin: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sd-tags span {
  font-size: 11px;
  letter-spacing: 1px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.5);
}

.sd-cta {
  align-self: flex-start;
  margin-top: auto;                /* 始终贴底，让两卡 CTA 在同一 y 坐标 */
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color 0.18s ease;
}
.sd-cta:hover { color: #cc2418; }
.sd-cta-ghost { color: var(--ink); }
.sd-cta-ghost:hover { color: var(--accent); }

.sig-panel:hover .sd-num {
  transform: translateY(-8px);
}
.sig-panel .sd-num { will-change: transform; transform: translateY(0); transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1); }

@media (max-width: 900px) {
  .sig-split { grid-template-columns: 1fr; }
  .sig-panel { aspect-ratio: auto; min-height: clamp(320px, 48vh, 420px); }
}

/* ═══════════════════════ 章节标题统一对齐到一条线 ═══════════════════════ */
/* 所有 section 收进同一个内容容器（min(calc(100% - 32px), var(--max)) 居中），
   标题 x 坐标 = 容器左边 + var(--pad-page-x)，全站一条线 */
.sig-duo,
.footprints-band {
  width: min(calc(100% - 32px), var(--max));
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad-page-x);
  padding-right: var(--pad-page-x);
}

.service-strip,
.credential-band,
.contact-band {
  padding-left: var(--pad-page-x);
  padding-right: var(--pad-page-x);
}

/* sig-duo 内层容器去掉自己的 padding-left，避免双重偏移 */
.sig-duo .sig-inner {
  width: 100%;
  max-width: var(--max-content);
  margin: 0;
  padding-left: 0;
  padding-right: 0;
}

/* 章节标题左对齐 + 取消居中 */
.sig-duo .sig-head,
.service-strip > .section-kicker,
.service-strip > h2,
.credential-band > .section-kicker,
.credential-band > h2,
.footprints-band > .section-kicker,
.footprints-band > h2,
.footprints-band > p.footprints-lede,
.contact-band > div > .section-kicker,
.contact-band > div > h2,
.contact-band > div > p {
  text-align: left;
}

/* footprints-band 整体 padding 重设（用 token） */
.footprints-band {
  padding: var(--gap-section) var(--pad-page-x);
}

@media (max-width: 860px) {
  .footprints-band h2 { text-align: left !important; font-size: clamp(22px, 6vw, 32px); }
}
.trust-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 88px 24px 12px;        /* 88px top 让 trust-ribbon 从 fixed 导航（top:18 + 56 高 + gap）下方开始 */
  background: var(--paper);
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.trust-ribbon .tr-mark {
  background: var(--paper);
  color: var(--ink);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  border: 1px solid #c9a35f;
}

.trust-ribbon .tr-sep {
  color: var(--muted);
  font-weight: 800;
  margin: 0 2px;
}

.trust-ribbon .tr-sep-quiet {
  color: var(--muted);
  opacity: 0.6;
}

@media (max-width: 700px) {
  .trust-ribbon {
    font-size: 11.5px;
    padding: 10px 14px;
    gap: 6px;
  }
  .trust-ribbon .tr-mark {
    font-size: 10px;
  }
}