/* =========================================================
   牤牛科技 · v8 — Full-bleed Hero + Horizontal Gallery
   ========================================================= */

:root {
  --bg: #F4F3EF;
  --bg-2: #EDEBE4;
  --ink: #111111;
  --ink-2: #2A2A28;
  --muted: #6B6B66;
  --faint: #A3A29B;
  --line: rgba(17, 17, 17, .12);
  --line-2: rgba(17, 17, 17, .24);
  --accent: #E4572E;

  --mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono",
    Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --pad: 44px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.02; letter-spacing: -.045em; font-weight: 800; }
p { margin: 0; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
figure { margin: 0; }

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

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #C9C7BE; }

.mono {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--faint);
}

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: 900;
}

.container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 var(--pad); }

/* =========================================================
   导航
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 80px;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 0 var(--pad);
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(244, 243, 239, .9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

/* 处于深色 Hero 上时用白字 */
.nav.on-dark .brand-name b { color: #fff; }
.nav.on-dark .brand-name i { color: rgba(255, 255, 255, .45); }
.nav.on-dark .nav-links a { color: rgba(255, 255, 255, .72); }
.nav.on-dark .nav-links a::after { background: #fff; }
.nav.on-dark .nav-tel { color: rgba(255, 255, 255, .6); }
.nav.on-dark .nav-cta { background: #fff; color: #111; }
.nav.on-dark .burger { border-color: rgba(255, 255, 255, .4); }
.nav.on-dark .burger i { background: #fff; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 46px; height: auto; transition: transform .5s var(--ease); }
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name b { font-size: 16.5px; font-weight: 800; letter-spacing: -.02em; transition: color .3s; }
.brand-name i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .18em;
  color: var(--faint);
  margin-top: 3px;
  transition: color .3s;
}

.nav-links { display: flex; gap: 30px; }
.nav-links a {
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 6px 0;
  transition: color .25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right .3s var(--ease), background .3s;
}
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }

.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-tel {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--muted);
  transition: color .22s;
}
.nav-tel:hover { color: var(--accent); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 20px;
  border-radius: 99px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13.5px;
  font-weight: 600;
  transition: background .3s, transform .3s var(--ease), color .3s;
}
.nav-cta i { font-style: normal; transition: transform .3s var(--ease); }
.nav-cta:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.nav-cta:hover i { transform: translate(2px, -2px); }

.burger {
  display: none;
  position: relative;
  width: 42px; height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  transition: border-color .3s;
}
.burger i {
  position: absolute;
  left: 12px; right: 12px;
  height: 1.8px;
  background: var(--ink);
  transition: transform .35s var(--ease), background .3s;
}
.burger i:first-child { top: 17px; }
.burger i:last-child { top: 23px; }
.burger.active i:first-child { transform: translateY(3px) rotate(45deg); }
.burger.active i:last-child { transform: translateY(-3px) rotate(-45deg); }

/* =========================================================
   Hero —— 全屏大图
   ========================================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  background: #0C0C0D;
}

.hero-media {
  position: absolute;
  inset: -8% 0 -8% 0;
  will-change: transform;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 11, .72) 0%, rgba(10, 10, 11, .18) 32%, rgba(10, 10, 11, .3) 62%, rgba(10, 10, 11, .94) 100%),
    linear-gradient(90deg, rgba(10, 10, 11, .55) 0%, rgba(10, 10, 11, .05) 55%, rgba(10, 10, 11, .35) 100%);
}

.hero-body {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 var(--pad) 92px;
  max-width: 1400px;
  margin: 0 auto;
  color: #fff;
}

.hero-kicker {
  display: flex;
  gap: 26px;
  margin-bottom: auto;
  padding-top: 118px;
  color: rgba(255, 255, 255, .55);
  font-size: 9.5px;
  flex-wrap: wrap;
}

.hero-title {
  font-size: clamp(64px, 12.5vw, 210px);
  font-weight: 800;
  letter-spacing: -.06em;
  line-height: .86;
  margin-bottom: 40px;
  text-shadow: 0 10px 60px rgba(0, 0, 0, .35);
}
.hero-title em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 2.5px #fff;
  letter-spacing: -.055em;
}

.hero-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, .22);
}
.hero-sub {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .82);
  max-width: 540px;
}
.hero-sub span { color: rgba(255, 255, 255, .5); font-size: 14px; }

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 28px;
  border-radius: 99px;
  background: #fff;
  color: #111;
  font-size: 14.5px;
  font-weight: 700;
  transition: transform .3s var(--ease), background .3s, color .3s;
  white-space: nowrap;
}
.hero-cta svg {
  width: 18px; height: 18px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: transform .3s var(--ease);
}
.hero-cta:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.hero-cta:hover svg { transform: translateX(4px); }

.hero-scroll {
  position: absolute;
  right: var(--pad);
  bottom: 34px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .5);
  font-size: 9px;
}
.hero-scroll i {
  display: block;
  width: 1px; height: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .8), transparent);
  animation: scrollLine 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); opacity: 0; }
  45% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* =========================================================
   宣言
   ========================================================= */
.statement {
  padding: 130px 0 110px;
  border-bottom: 1px solid var(--line);
}
.statement-text {
  font-size: clamp(28px, 4.4vw, 64px);
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: 1.28;
  max-width: 1180px;
  margin-bottom: 56px;
}
.statement-text em {
  font-style: normal;
  color: var(--accent);
}
.statement-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

/* =========================================================
   横向画廊
   ========================================================= */
.gallery {
  padding: 110px 0 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.gallery-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.sec-no { display: block; color: var(--accent); font-size: 10px; margin-bottom: 16px; }
.sec-title {
  font-size: clamp(38px, 5.6vw, 88px);
  font-weight: 800;
  letter-spacing: -.05em;
  line-height: .98;
}

.gh-right { display: flex; flex-direction: column; align-items: flex-end; gap: 16px; }
.gh-right p { font-size: 13px; color: var(--muted); }

.hs-nav { display: flex; gap: 8px; }
.hs-nav button {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  transition: background .3s, border-color .3s, color .3s, transform .3s var(--ease);
}
.hs-nav svg {
  width: 18px; height: 18px;
  fill: none; stroke: currentColor;
  stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
.hs-nav button:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); transform: scale(1.05); }

/* 横向滚动容器 */
.hscroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0 var(--pad) 26px;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.hscroll::-webkit-scrollbar { display: none; }
.hscroll.dragging { cursor: grabbing; scroll-behavior: auto; }
.hscroll.dragging * { pointer-events: none; }

.gcard {
  flex: 0 0 auto;
  width: min(46vw, 520px);
  scroll-snap-align: start;
}
.gcard-media {
  position: relative;
  overflow: hidden;
  background: #D8D6CE;
  aspect-ratio: 4 / 5;
}
.gcard-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter .6s;
  filter: saturate(.96);
  user-select: none;
  -webkit-user-drag: none;
}
.gcard:hover .gcard-media img { transform: scale(1.05); filter: saturate(1.06); }

.gcard-meta { padding-top: 16px; }
.gcard-meta .mono { display: block; color: var(--accent); font-size: 9px; margin-bottom: 5px; }
.gcard-meta h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.35;
}

/* 进度条 */
.hscroll-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 18px;
  padding-bottom: 46px;
}
.hs-track {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--line-2);
}
.hs-track i {
  position: absolute;
  left: 0; top: -1px;
  height: 3px;
  width: 12%;
  background: var(--ink);
  transition: width .15s linear, left .15s linear;
}
.hscroll-bar span { font-size: 9px; color: var(--faint); }

/* =========================================================
   瀑布流
   ========================================================= */
.mosaic-section {
  padding: 110px 0 110px;
  border-bottom: 1px solid var(--line);
}

.mosaic-head { margin-bottom: 46px; }

.mosaic { columns: 3; column-gap: 18px; }

.m-card {
  break-inside: avoid;
  margin-bottom: 18px;
  overflow: hidden;
}
.m-card img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #D8D6CE;
  transition: transform 1s var(--ease), filter .6s;
  filter: saturate(.94);
}
.m-card:nth-child(4n+2) img { aspect-ratio: 1 / 1; }
.m-card:nth-child(5n) img { aspect-ratio: 3 / 4; }
.m-card:hover img { transform: scale(1.04); filter: saturate(1.05); }

.m-card figcaption { padding-top: 12px; }
.m-card figcaption .mono { display: block; color: var(--accent); font-size: 8.5px; margin-bottom: 4px; }
.m-card figcaption h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.005em;
  line-height: 1.4;
  color: var(--ink-2);
}

.mosaic-note {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 8.5px;
}

/* =========================================================
   通用 Section
   ========================================================= */
.section {
  padding: 120px 0;
  border-bottom: 1px solid var(--line);
}

.sec-head { margin-bottom: 54px; }

/* =========================================================
   能力
   ========================================================= */
.caps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-2);
}
.cap {
  padding: 32px 26px 30px 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transition: background .4s;
}
.cap:nth-child(3n) { border-right: 0; padding-right: 0; }
.cap:nth-child(3n+2) { padding-left: 26px; }
.cap:nth-child(3n) { padding-left: 26px; }
.cap:hover { background: rgba(17, 17, 17, .022); }

.cap-no { display: block; color: var(--accent); font-size: 10px; margin-bottom: 20px; }
.cap h3 {
  font-size: clamp(19px, 1.9vw, 25px);
  font-weight: 700;
  letter-spacing: -.03em;
  margin-bottom: 10px;
}
.cap p { font-size: 13.6px; line-height: 1.8; color: var(--muted); margin-bottom: 16px; }
.cap-tag { font-size: 8.5px; color: var(--faint); }

/* =========================================================
   数据
   ========================================================= */
.stats {
  padding: 74px 0;
  border-bottom: 1px solid var(--line);
}
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat { border-left: 1px solid var(--line); padding-left: 28px; }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b {
  display: block;
  font-size: clamp(42px, 5.4vw, 84px);
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}
.stat span { font-size: 9.5px; color: var(--faint); }

/* =========================================================
   关于
   ========================================================= */
.about-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 70px;
  align-items: start;
}

.about-lead {
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.4;
  margin-bottom: 22px;
}
.about-body {
  font-size: 14.2px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 40px;
}

.about-facts { border-top: 1px solid var(--line-2); }
.about-facts > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.about-facts span { font-size: 9px; }
.about-facts b { font-size: 13.8px; font-weight: 600; }

.about-logo {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  padding: 56px 34px;
  min-height: 320px;
}
.about-logo img { width: 76%; max-width: 300px; }
.about-logo .mono { position: absolute; left: 16px; bottom: 14px; font-size: 8px; }

/* =========================================================
   联系
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-lead {
  font-size: 14.8px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 36px;
}

.big-link {
  display: grid;
  grid-template-columns: 56px 1fr 26px;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  transition: padding .35s var(--ease);
}
.big-link:last-of-type { border-bottom: 1px solid var(--line); }
.big-link span { font-size: 9px; }
.big-link b { font-size: clamp(19px, 2.3vw, 28px); font-weight: 700; letter-spacing: -.03em; }
.big-link i { font-style: normal; color: var(--faint); transition: transform .35s var(--ease), color .3s; }
.big-link:hover { padding-left: 12px; }
.big-link:hover b { color: var(--accent); }
.big-link:hover i { transform: translate(4px, -4px); color: var(--accent); }

.contact-meta { display: grid; gap: 18px; margin-top: 34px; }
.contact-meta > div {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.contact-meta span { font-size: 9px; }
.contact-meta b { font-size: 13.8px; font-weight: 500; color: var(--ink-2); }

.cform {
  border: 1px solid var(--line-2);
  background: var(--bg);
  padding: 30px;
}
.cf-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
}

.cf-field { display: block; margin-bottom: 18px; }
.cf-field > span { display: block; font-size: 9px; margin-bottom: 8px; }
.cf-field input,
.cf-field select,
.cf-field textarea {
  width: 100%;
  padding: 12px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-2);
  font-size: 14.5px;
  outline: none;
  transition: border-color .25s;
  border-radius: 0;
}
.cf-field input::placeholder,
.cf-field textarea::placeholder { color: var(--faint); }
.cf-field input:focus,
.cf-field select:focus,
.cf-field textarea:focus { border-bottom-color: var(--accent); }
.cf-field select option { background: var(--bg); }
.cf-field textarea { resize: vertical; min-height: 78px; }

.btn-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px;
  margin-top: 8px;
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  font-weight: 600;
  transition: background .3s;
}
.btn-submit i { font-style: normal; }
.btn-submit:hover { background: var(--accent); }

.cf-hint { margin-top: 13px; font-size: 8.5px; text-align: center; line-height: 1.8; }
.cf-msg { margin-top: 8px; font-size: 9px; text-align: center; color: var(--accent); min-height: 13px; }
.cf-msg.error { color: #C0392B; }

/* =========================================================
   页脚
   ========================================================= */
.footer { background: var(--bg-2); padding: 60px 0 0; }
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 50px;
  padding-bottom: 44px;
}
.footer-brand { display: flex; gap: 13px; align-items: flex-start; }
.footer-brand img { width: 40px; }
.footer-brand b { display: block; font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.footer-brand span { display: block; font-size: 8.5px; color: var(--faint); line-height: 1.7; }

.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.fc { display: flex; flex-direction: column; gap: 9px; }
.fc h4 {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .18em;
  color: var(--faint);
  font-weight: 500;
  margin-bottom: 5px;
}
.fc a, .fc span { font-size: 12.8px; color: var(--muted); transition: color .22s; }
.fc a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  font-size: 9px;
  color: var(--faint);
}
.footer-right { display: inline-flex; align-items: center; gap: 10px; }
.footer-right a { color: var(--faint); transition: color .22s; }
.footer-right a:hover { color: var(--ink); }
.footer-right i { opacity: .4; font-style: normal; }

.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-size: 15px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .35s var(--ease);
  z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--accent); }

/* =========================================================
   入场
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}
[data-reveal].in { opacity: 1; transform: none; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1120px) {
  :root { --pad: 30px; }
  .mosaic { columns: 2; }
  .caps { grid-template-columns: repeat(2, 1fr); }
  .cap:nth-child(3n) { border-right: 1px solid var(--line); padding-left: 0; }
  .cap:nth-child(2n) { border-right: 0; padding-left: 24px; }
  .cap:nth-child(3n+2) { padding-left: 24px; }
  .about-inner, .contact-grid { gap: 44px; }
  .gcard { width: min(56vw, 460px); }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .nav-tel { display: none; }

  .nav-links.open {
    display: flex;
    position: fixed;
    top: 80px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 16px;
    background: rgba(244, 243, 239, .97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open a {
    padding: 16px var(--pad);
    font-size: 17px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-2) !important;
  }
  .nav-links.open a::after { display: none; }

  .hero-body { padding-bottom: 74px; }
  .hero-kicker { padding-top: 100px; }
  .hero-title { margin-bottom: 30px; }
  .about-inner, .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 768px) {
  :root { --pad: 20px; }
  .section, .statement, .mosaic-section { padding: 76px 0; }
  .gallery { padding-top: 72px; }

  .brand-mark { width: 40px; }
  .brand-name b { font-size: 15px; }
  .nav-cta { padding: 10px 16px; font-size: 12.5px; }

  .hero { height: 92vh; min-height: 560px; }
  .hero-title { font-size: clamp(46px, 15vw, 78px); }
  .hero-title em { -webkit-text-stroke-width: 1.6px; }
  .hero-kicker { gap: 14px; font-size: 8.5px; padding-top: 90px; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: 22px; }
  .hero-sub { font-size: 13.5px; }
  .hero-cta { width: 100%; justify-content: center; }
  .hero-scroll { display: none; }

  .statement-text { font-size: clamp(24px, 6.8vw, 34px); }
  .statement-meta { font-size: 8.5px; gap: 10px; }

  .gallery-head { gap: 20px; }
  .gh-right { align-items: flex-start; width: 100%; }
  .gcard { width: 78vw; }
  .hscroll { gap: 12px; padding-bottom: 18px; }
  .gcard-meta h3 { font-size: 15px; }

  .mosaic { columns: 2; column-gap: 10px; }
  .m-card { margin-bottom: 10px; }
  .m-card figcaption h3 { font-size: 12.5px; }
  .m-card:nth-child(4n+2) img,
  .m-card:nth-child(5n) img { aspect-ratio: 4 / 5; }

  .caps { grid-template-columns: 1fr; }
  .cap,
  .cap:nth-child(2n),
  .cap:nth-child(3n),
  .cap:nth-child(3n+2) {
    border-right: 0;
    padding: 24px 0 22px;
  }

  .stats { padding: 48px 0; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat b { font-size: 40px; }

  .about-lead { font-size: 19px; }
  .about-logo { padding: 36px 22px; min-height: 220px; }
  .cform { padding: 22px 18px; }
  .big-link { grid-template-columns: 44px 1fr 22px; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
  .to-top { right: 16px; bottom: 16px; width: 40px; height: 40px; }
}

@media (max-width: 420px) {
  .brand-name i { display: none; }
  .footer-cols { grid-template-columns: 1fr; }
  .hero-title { font-size: 42px; }
  .gcard { width: 84vw; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-media img { animation: none; transform: none; }
}


/* =========================================================
   v8.1 Hero 文字排版优化
   ========================================================= */

/* 新图偏蓝黑，遮罩改为左侧竖向压暗，保证文字可读，右侧留出画面 */
.hero-veil {
  background:
    linear-gradient(180deg, rgba(5, 7, 12, .62) 0%, rgba(5, 7, 12, .06) 26%, rgba(5, 7, 12, .12) 62%, rgba(5, 7, 12, .9) 100%),
    linear-gradient(95deg, rgba(5, 7, 12, .78) 0%, rgba(5, 7, 12, .48) 30%, rgba(5, 7, 12, .04) 62%, rgba(5, 7, 12, .28) 100%);
}

/* 内容整体下移，标题落在画面左侧暗区 */
.hero-body { padding-bottom: 88px; }

.hero-kicker {
  padding-top: 112px;
  letter-spacing: .22em;
  color: rgba(255, 255, 255, .46);
}

/* 标题：略收字号，行距更紧，字距更开，压一层柔影 */
.hero-title {
  font-size: clamp(58px, 11vw, 184px);
  line-height: .93;
  letter-spacing: -.05em;
  margin-bottom: 30px;
  text-shadow: 0 14px 60px rgba(0, 0, 0, .55);
}
.hero-title em {
  -webkit-text-stroke: 2.2px #fff;
  letter-spacing: -.045em;
  /* 描边字加一点极淡的内发光，避免在深色背景里发灰 */
  filter: drop-shadow(0 0 24px rgba(255, 255, 255, .12));
}

/* 底部信息行：加宽、留白更从容 */
.hero-foot {
  padding-top: 22px;
  border-top-color: rgba(255, 255, 255, .18);
}
.hero-sub {
  font-size: 14.5px;
  line-height: 1.9;
  letter-spacing: .01em;
  max-width: 500px;
}
.hero-sub span {
  display: inline-block;
  margin-top: 8px;
  color: rgba(255, 255, 255, .46);
  font-size: 13.5px;
  letter-spacing: .06em;
}

.hero-cta {
  padding: 14px 26px;
  font-size: 14px;
  letter-spacing: .02em;
}

@media (max-width: 768px) {
  .hero-body { padding-bottom: 64px; }
  .hero-kicker { padding-top: 92px; letter-spacing: .16em; }
  .hero-title {
    font-size: clamp(44px, 14vw, 74px);
    line-height: .92;
    letter-spacing: -.045em;
    margin-bottom: 24px;
  }
  .hero-title em { -webkit-text-stroke-width: 1.5px; }
  .hero-sub { font-size: 13px; }
  .hero-sub span { font-size: 12px; margin-top: 6px; }
}


/* =========================================================
   v8.2 案例卡片改为横版 16:10（适配 51 个项目实拍封面）
   ========================================================= */

.gcard { width: min(52vw, 620px); }
.gcard-media { aspect-ratio: 16 / 10; }

.gcard-meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 14px;
}
.gcard-meta .mono { margin-bottom: 0; flex-shrink: 0; }
.gcard-meta h3 { font-size: 16px; }

/* 瀑布流：统一横版，每 4 张插一个方形制造节奏 */
.m-card img { aspect-ratio: 16 / 10; }
.m-card:nth-child(4n+2) img { aspect-ratio: 1 / 1; }
.m-card:nth-child(5n) img { aspect-ratio: 16 / 10; }

.m-card figcaption {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 10px;
}
.m-card figcaption .mono { margin-bottom: 0; flex-shrink: 0; }
.m-card figcaption h3 { font-size: 13px; }

@media (max-width: 768px) {
  .gcard { width: 82vw; }
  .gcard-media { aspect-ratio: 16 / 10; }
  .gcard-meta h3 { font-size: 14px; }

  .m-card img,
  .m-card:nth-child(4n+2) img,
  .m-card:nth-child(5n) img { aspect-ratio: 16 / 10; }
  .m-card figcaption { flex-direction: column; gap: 2px; }
  .m-card figcaption h3 { font-size: 12px; }
}


/* 修正横向滚动的吸附位置（否则首卡会被 padding 裁掉） */
.hscroll {
  scroll-padding-left: var(--pad);
  scroll-padding-right: var(--pad);
}
.hscroll::after {
  content: '';
  flex: 0 0 1px;
}

/* 瀑布流图片统一色调，降低参差感 */
.m-card img { filter: saturate(.9) contrast(1.03); }
.m-card:hover img { filter: saturate(1) contrast(1.04); }


/* =========================================================
   v8.3 案例墙降噪：统一比例 + 相框 + 低饱和
   目标：让 47 张来源各异的图看起来整齐、克制
   ========================================================= */

/* ---------- 统一比例（去掉 1:1 变化，网格更稳） ---------- */
.m-card img,
.m-card:nth-child(4n+2) img,
.m-card:nth-child(5n) img {
  aspect-ratio: 16 / 10;
}

/* ---------- 相框：白底 + 细边 + 内边距 ---------- */
.m-card {
  margin-bottom: 20px;
  background: transparent;
}

.m-frame {
  background: #FDFCFA;
  border: 1px solid rgba(17, 17, 17, .09);
  padding: 7px;
  transition: border-color .35s, box-shadow .35s, transform .35s var(--ease);
}

.m-frame img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  /* 关键：默认低饱和，降低画面噪音 */
  filter: saturate(.52) contrast(1.04) brightness(1.02);
  transition: filter .55s var(--ease), transform .8s var(--ease);
}

.m-card:hover .m-frame {
  border-color: rgba(17, 17, 17, .22);
  box-shadow: 0 10px 26px -14px rgba(17, 17, 17, .35);
  transform: translateY(-3px);
}
.m-card:hover img {
  filter: saturate(1) contrast(1.05) brightness(1);
  transform: scale(1.02);
}

/* 说明文字更克制 */
.m-card figcaption {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-top: 9px;
}
.m-card figcaption .mono {
  font-size: 8px;
  color: #B0AEA6;
  letter-spacing: .1em;
}
.m-card figcaption h3 {
  font-size: 12.5px;
  font-weight: 500;
  color: #6B6B66;
  letter-spacing: 0;
  transition: color .25s;
}
.m-card:hover figcaption h3 { color: var(--ink); }

/* ---------- 画廊同样处理，保持同一套语言 ---------- */
.gcard-media {
  background: #FDFCFA;
  border: 1px solid rgba(17, 17, 17, .09);
  padding: 8px;
  overflow: hidden;
}
.gcard-media img {
  aspect-ratio: 16 / 10;
  filter: saturate(.62) contrast(1.03);
  transition: filter .55s var(--ease), transform .9s var(--ease);
}
.gcard:hover .gcard-media {
  border-color: rgba(17, 17, 17, .2);
}
.gcard:hover .gcard-media img {
  filter: saturate(1) contrast(1.05);
  transform: scale(1.03);
}

/* 画廊标题同样压低 */
.gcard-meta .mono { color: #B0AEA6; }
.gcard-meta h3 {
  font-size: 15px;
  font-weight: 500;
  color: #57574F;
}

/* ---------- 区块底色稍微拉开，让白框浮起来 ---------- */
.mosaic-section { background: #EFEDE6; }
.gallery { background: var(--bg); }

/* ---------- 移动端 ---------- */
@media (max-width: 768px) {
  .m-card { margin-bottom: 12px; }
  .m-frame { padding: 4px; }
  .m-card figcaption { flex-direction: column; gap: 2px; padding-top: 7px; }
  .m-card figcaption h3 { font-size: 11.5px; }
  .gcard-media { padding: 5px; }
}



/* =========================================================
   v8.4 进一步降噪：默认近黑白，悬停恢复彩色
   （不同来源的图放在一起，靠色彩统一最有效）
   ========================================================= */

.m-frame img,
.m-card:nth-child(4n+2) .m-frame img,
.m-card:nth-child(5n) .m-frame img {
  filter: saturate(.18) contrast(1.03) brightness(1.04);
  transition: filter .5s var(--ease), transform .8s var(--ease);
}

.m-card:hover .m-frame img {
  filter: saturate(1) contrast(1.05) brightness(1);
}

/* 画廊同一套语言 */
.gcard-media img {
  filter: saturate(.3) contrast(1.02) brightness(1.02);
}
.gcard:hover .gcard-media img {
  filter: saturate(1) contrast(1.04);
}

/* 说明文字进一步弱化 */
.m-card figcaption h3 { color: #7A7A73; font-weight: 500; }
.m-card figcaption .mono { color: #BEBAB0; }

/* 图与图之间的呼吸 */
.masonry { column-gap: 22px; }
.m-card { margin-bottom: 26px; }


/* =========================================================
   v8.5 瀑布流改 4 列小图：单张变小、细节弱化、整体更整齐
   ========================================================= */

@media (min-width: 1180px) {
  .mosaic { columns: 4; column-gap: 14px; }
  .m-card { margin-bottom: 18px; }
  .m-frame { padding: 5px; }
  .m-card figcaption {
    padding-top: 7px;
    gap: 6px;
  }
  .m-card figcaption .mono { font-size: 7px; letter-spacing: .08em; }
  .m-card figcaption h3 { font-size: 11px; line-height: 1.35; }
}

@media (min-width: 1180px) and (max-width: 1360px) {
  .mosaic { columns: 4; }
}

/* 中等屏回到 3 列 */
@media (max-width: 1179px) and (min-width: 769px) {
  .mosaic { columns: 3; column-gap: 16px; }
}

/* 说明行统一底边线，增强秩序感 */
.m-card figcaption {
  border-top: 1px solid rgba(17,17,17,.06);
  margin-top: 0;
  padding-top: 8px;
}

/* =========================================================
   v8.7 视频弹层
   ========================================================= */

[data-play] { cursor: pointer; }

.vlightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(10, 10, 11, .93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s;
}
.vlightbox.open { opacity: 1; visibility: visible; }

.vl-stage {
  display: flex;
  align-items: center;
  gap: 36px;
  max-width: 1100px;
  width: 100%;
  transform: scale(.96);
  transition: transform .45s var(--ease);
}
.vlightbox.open .vl-stage { transform: none; }

.vl-media {
  position: relative;
  flex: 0 0 auto;
  max-height: 84vh;
  background: #000;
  box-shadow: 0 30px 90px -20px rgba(0, 0, 0, .8);
}
.vl-media video {
  display: block;
  max-height: 84vh;
  max-width: 56vw;
  width: auto;
  height: auto;
  background: #000;
}

.vl-spin {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  pointer-events: none;
}
.vl-spin.on { display: grid; }
.vl-spin i {
  width: 34px; height: 34px;
  border: 2px solid rgba(255, 255, 255, .25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: vlSpin .8s linear infinite;
}
@keyframes vlSpin { to { transform: rotate(360deg); } }

.vl-info { color: #fff; min-width: 200px; }
.vl-info .mono { color: rgba(255, 255, 255, .5); display: block; margin-bottom: 10px; }
.vl-info h3 {
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
  margin-bottom: 16px;
}
.vl-hint { color: rgba(255, 255, 255, .35); font-size: 9px; }

.vl-close {
  position: absolute;
  top: 26px; right: 30px;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 50%;
  color: #fff;
  transition: background .25s, border-color .25s, transform .25s;
}
.vl-close svg {
  width: 18px; height: 18px;
  fill: none; stroke: currentColor;
  stroke-width: 1.6; stroke-linecap: round;
}
.vl-close:hover { background: rgba(255, 255, 255, .14); border-color: #fff; transform: rotate(90deg); }

/* 卡片上的播放标记 */
[data-play] { position: relative; }
[data-play] .m-frame::after,
[data-play] .gcard-media::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: rgba(10, 10, 11, .28);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
[data-play]:hover .m-frame::after,
[data-play]:hover .gcard-media::after { opacity: 1; }

.play-badge {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(.9);
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .9);
  background: rgba(10, 10, 11, .25);
  opacity: 0;
  transition: opacity .3s, transform .35s var(--ease);
  pointer-events: none;
  z-index: 3;
}
.play-badge svg {
  width: 15px; height: 15px;
  fill: #fff;
  margin-left: 3px;
}
[data-play]:hover .play-badge { opacity: 1; transform: translate(-50%, -50%) scale(1); }

@media (max-width: 900px) {
  .vlightbox { padding: 16px; }
  .vl-stage { flex-direction: column; gap: 16px; }
  .vl-media video { max-width: 92vw; max-height: 66vh; }
  .vl-info { text-align: center; }
  .vl-close { top: 14px; right: 14px; width: 40px; height: 40px; }
  .play-badge { width: 38px; height: 38px; }
}



/* 竖版视频适配 */
.vl-media video { max-height: 86vh; max-width: 46vw; }
@media (max-width: 900px) {
  .vl-media video { max-height: 62vh; max-width: 86vw; }
}
/* =========================================================
   v9.0 纯黑白：默认完全去色，悬停恢复彩色
   ========================================================= */

.m-frame img,
.m-card:nth-child(4n+2) .m-frame img,
.m-card:nth-child(5n) .m-frame img {
  filter: grayscale(1) contrast(1.06) brightness(1.03) !important;
  transition: filter .5s var(--ease), transform .8s var(--ease);
}

.m-card:hover .m-frame img,
.m-card:hover .m-frame:hover img {
  filter: grayscale(0) contrast(1.05) brightness(1) !important;
}

.gcard-media img {
  filter: grayscale(1) contrast(1.05) brightness(1.02) !important;
  transition: filter .5s var(--ease), transform .9s var(--ease);
}

.gcard:hover .gcard-media img {
  filter: grayscale(0) contrast(1.04) brightness(1) !important;
}

/* 图片加载前的占位也去色，避免闪彩 */
.m-frame, .gcard-media {
  background: #F2F1EC;
}

/* =========================================================
   v9.1 恢复彩色 + 文字层级加大
   ========================================================= */

/* ---------- 1. 图片恢复彩色（保留白框与 4 列结构） ---------- */
.m-frame img,
.m-card:nth-child(4n+2) .m-frame img,
.m-card:nth-child(5n) .m-frame img {
  filter: saturate(.92) contrast(1.03) brightness(1) !important;
  transition: filter .45s var(--ease), transform .8s var(--ease);
}
.m-card:hover .m-frame img {
  filter: saturate(1.02) contrast(1.04) brightness(1.01) !important;
}

.gcard-media img {
  filter: saturate(.95) contrast(1.02) brightness(1) !important;
  transition: filter .45s var(--ease), transform .9s var(--ease);
}
.gcard:hover .gcard-media img {
  filter: saturate(1.02) contrast(1.03) brightness(1.01) !important;
}

/* ---------- 2. 数据区文字加大加粗 ---------- */
.stats { padding: 84px 0; }

.stat span {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: #4A4A44 !important;
  letter-spacing: .06em !important;
  text-transform: none !important;
  font-family: var(--sans) !important;
  line-height: 1.5;
  display: block;
  margin-top: 4px;
}

.stat b {
  font-size: clamp(46px, 5.8vw, 90px) !important;
  letter-spacing: -.06em;
  margin-bottom: 12px;
}

/* 能力卡的小标签也放大 */
.cap-tag {
  font-size: 11px !important;
  color: #83837A !important;
  letter-spacing: .1em !important;
  font-weight: 500;
}

/* 能力卡描述 */
.cap p {
  font-size: 14.2px !important;
  line-height: 1.85 !important;
  color: #5C5C55 !important;
}

/* 能力卡标题 */
.cap h3 { font-size: clamp(21px, 2.1vw, 27px) !important; }

/* 案例卡说明文字也放大 */
.m-card figcaption h3 {
  font-size: 13px !important;
  color: #57574F !important;
  font-weight: 500;
}
.m-card figcaption .mono {
  font-size: 10px !important;
  color: #8E8B82 !important;
  letter-spacing: .08em !important;
  text-transform: none !important;
}
.gcard-meta h3 { font-size: 17px !important; color: #3A3A34 !important; }
.gcard-meta .mono { font-size: 11px !important; color: #8E8B82 !important; text-transform: none !important; }

/* 关于页与联系页的小标签 */
.about-facts span { font-size: 11px !important; color: #8E8B82 !important; text-transform: none !important; }
.about-facts b { font-size: 15px !important; }
.about-body { font-size: 15px !important; line-height: 2 !important; }
.contact-lead { font-size: 15.5px !important; }
.contact-meta span { font-size: 11px !important; text-transform: none !important; }
.contact-meta b { font-size: 15px !important; }

/* 页脚 */
.fc a, .fc span { font-size: 13.5px !important; }
.fc h4 { font-size: 11px !important; text-transform: none !important; color: #8E8B82 !important; }

/* 章节编号 */
.sec-no { font-size: 11.5px !important; letter-spacing: .1em !important; }

@media (max-width: 768px) {
  .stat span { font-size: 12.5px !important; }
  .stat b { font-size: 44px !important; }
  .m-card figcaption h3 { font-size: 12px !important; }
  .cap p { font-size: 13.5px !important; }
}

/* =========================================================
   v9.3 小标签统一放大加粗（策展/空间/集成 这类）
   ========================================================= */

/* 能力卡底部的「策展 / 空间 / 集成」 */
.cap-tag {
  font-family: var(--sans) !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  color: #55554E !important;
  letter-spacing: .02em !important;
  text-transform: none !important;
  line-height: 1.6;
  display: block;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(17, 17, 17, .09);
}

/* 案例卡分类（企业展馆 / 互动装置 …） */
.m-card figcaption .mono,
.gcard-meta .mono {
  font-family: var(--sans) !important;
  font-size: 12.5px !important;
  font-weight: 600 !important;
  color: #6E6E66 !important;
  letter-spacing: .02em !important;
  text-transform: none !important;
}

/* 案例卡标题 */
.m-card figcaption h3 {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #3A3A34 !important;
}
.gcard-meta h3 {
  font-size: 18px !important;
  font-weight: 600 !important;
}

/* 关于页 / 联系页的字段名 */
.about-facts span,
.contact-meta span {
  font-family: var(--sans) !important;
  font-size: 12.5px !important;
  font-weight: 600 !important;
  color: #6E6E66 !important;
  text-transform: none !important;
  letter-spacing: .02em !important;
}

/* 章节编号 (03) CAPABILITIES */
.sec-no {
  font-family: var(--sans) !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  letter-spacing: .06em !important;
  text-transform: none !important;
}

/* 页脚栏目标题 */
.fc h4 {
  font-family: var(--sans) !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  color: #55554E !important;
  text-transform: none !important;
  letter-spacing: .02em !important;
}

/* 案例区注脚 */
.mosaic-note {
  font-size: 11.5px !important;
  color: #8A8A82 !important;
  text-transform: none !important;
}

/* Hero 顶部那排坐标 */
.hero-kicker { font-size: 10.5px !important; letter-spacing: .18em !important; }

@media (max-width: 768px) {
  .cap-tag { font-size: 12.5px !important; }
  .m-card figcaption .mono,
  .gcard-meta .mono { font-size: 11.5px !important; }
  .m-card figcaption h3 { font-size: 13px !important; }
}



/* 服务页页脚 */
.the-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: 26px 0;
}
.tf-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #7A7A72;
}
.tf-inner a { color: #7A7A72; }
.tf-inner a:hover { color: var(--accent); }

/* 能力卡「了解详情」 */
.cap-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  transition: gap .25s;
}
.cap-more:hover { gap: 10px; }
.cap-more svg {
  width: 14px; height: 14px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* =========================================================
   服务落地页（SEO 内容页）
   ========================================================= */
.svc-page { background: var(--bg); }

.sp-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px var(--pad);
  background: rgba(244, 243, 239, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.sp-nav a.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
}
.sp-nav a.back svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.sp-nav a.back:hover { color: var(--accent); }
.sp-nav .sp-call {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
}
.sp-nav .sp-call:hover { color: var(--accent); }

.sp-hero {
  padding: 74px 0 56px;
  border-bottom: 1px solid var(--line);
}
.sp-crumb {
  font-size: 12.5px;
  color: #8E8B82;
  margin-bottom: 18px;
}
.sp-crumb a { color: #8E8B82; }
.sp-crumb a:hover { color: var(--accent); }
.sp-crumb i { font-style: normal; margin: 0 8px; opacity: .5; }

.sp-hero h1 {
  font-size: clamp(30px, 4.4vw, 54px);
  font-weight: 800;
  letter-spacing: -.045em;
  line-height: 1.14;
  margin-bottom: 20px;
  max-width: 900px;
}
.sp-hero .sp-sub {
  font-size: 16px;
  line-height: 1.9;
  color: #55554E;
  max-width: 720px;
}

.sp-body { padding: 64px 0 80px; }
.sp-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}
.sp-article { max-width: 760px; }
.sp-article h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -.03em;
  margin: 54px 0 16px;
  line-height: 1.3;
}
.sp-article h2:first-child { margin-top: 0; }
.sp-article h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 30px 0 10px;
  letter-spacing: -.01em;
}
.sp-article p {
  font-size: 15px;
  line-height: 2;
  color: #4E4E47;
  margin-bottom: 16px;
}
.sp-article ul {
  margin: 0 0 20px;
  padding-left: 0;
}
.sp-article li {
  font-size: 15px;
  line-height: 1.9;
  color: #4E4E47;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.sp-article li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 5px; height: 5px;
  background: var(--accent);
}

.sp-cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0 30px;
}
.sp-cases figure { margin: 0; }
.sp-cases img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #E4E2DA;
  display: block;
}
.sp-cases figcaption {
  font-size: 12.5px;
  color: #6E6E66;
  padding-top: 7px;
}

.sp-faq { margin-top: 20px; border-top: 1px solid var(--line-2); }
.sp-faq details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.sp-faq summary {
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--ink-2);
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.sp-faq summary::-webkit-details-marker { display: none; }
.sp-faq summary::after {
  content: "+";
  color: var(--accent);
  font-weight: 400;
  font-size: 20px;
  line-height: 1;
}
.sp-faq details[open] summary::after { content: "−"; }
.sp-faq p { font-size: 14.5px; line-height: 1.9; color: #55554E; margin: 12px 0 0; }

/* 侧栏 */
.sp-side { position: sticky; top: 92px; }
.sp-side-box {
  background: #FDFCFA;
  border: 1px solid var(--line-2);
  padding: 24px;
  margin-bottom: 18px;
}
.sp-side-box h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}
.sp-side-box a.cta {
  display: block;
  text-align: center;
  padding: 13px;
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  transition: background .3s;
}
.sp-side-box a.cta:hover { background: var(--accent); }
.sp-side-box .tel {
  display: block;
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 6px 0 2px;
}
.sp-side-box p.hint {
  font-size: 12px;
  color: #8E8B82;
  line-height: 1.7;
  text-align: center;
  margin-top: 8px;
}
.sp-links { display: flex; flex-direction: column; gap: 2px; }
.sp-links a {
  font-size: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: #4E4E47;
  transition: color .22s, padding .25s;
}
.sp-links a:last-child { border-bottom: 0; }
.sp-links a:hover { color: var(--accent); padding-left: 6px; }
.sp-links a.on { color: var(--accent); font-weight: 600; }

.sp-cta-band {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 56px 0;
  text-align: center;
}
.sp-cta-band h2 {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -.04em;
  margin-bottom: 12px;
}
.sp-cta-band p { font-size: 15px; color: #55554E; margin-bottom: 24px; }
.sp-cta-band a {
  display: inline-block;
  padding: 15px 34px;
  background: var(--ink);
  color: var(--bg);
  font-size: 15px;
  font-weight: 600;
  transition: background .3s;
}
.sp-cta-band a:hover { background: var(--accent); }

@media (max-width: 900px) {
  .sp-grid { grid-template-columns: 1fr; gap: 40px; }
  .sp-side { position: static; }
  .sp-cases { grid-template-columns: 1fr; }
  .sp-hero { padding: 48px 0 40px; }
}


/* 案例网格（聚合页 / 总览页） */
.sp-works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 22px 0 36px;
}
.sp-works figure { margin: 0; }
.sp-works img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #E4E2DA;
  display: block;
  transition: transform .5s var(--ease), filter .4s;
}
.sp-works figure:hover img { transform: scale(1.03); }
.sp-works figcaption { padding-top: 7px; }
.sp-works figcaption b {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #3A3A34;
  line-height: 1.4;
}
.sp-works figcaption span {
  display: block;
  font-size: 11.5px;
  color: #8E8B82;
  margin-top: 2px;
}
@media (max-width: 900px) {
  .sp-works { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .sp-works figcaption b { font-size: 12px; }
}

.mosaic-more { margin-top: 30px; }
.mosaic-more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 3px;
  transition: color .25s, gap .25s;
}
.mosaic-more a:hover { color: var(--accent); gap: 12px; }
/* =========================================================
   v9.5 视频弹层重做：视频居中放大 + 信息移到底部
   ========================================================= */

.vlightbox {
  background: rgba(6, 6, 7, .96);
}

.vl-stage {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 18px !important;
  max-width: none !important;
  width: auto !important;
  height: 100%;
}

.vl-media {
  position: relative;
  flex: 0 1 auto !important;
  max-height: none !important;
  background: #000;
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .9);
  border: 1px solid rgba(255, 255, 255, .08);
}

.vl-media video {
  display: block;
  max-height: 78vh !important;
  max-width: 88vw !important;
  width: auto;
  height: auto;
  background: #000;
}

/* 信息条：视频下方，水平排列 */
.vl-info {
  display: flex;
  align-items: baseline;
  gap: 16px;
  text-align: left;
  min-width: 0;
  max-width: 88vw;
  flex-wrap: wrap;
  justify-content: center;
}
.vl-info .mono {
  color: rgba(255, 255, 255, .45) !important;
  margin-bottom: 0 !important;
  font-size: 12px;
  white-space: nowrap;
}
.vl-info h3 {
  font-size: clamp(18px, 2vw, 26px) !important;
  margin-bottom: 0 !important;
  color: #fff;
  white-space: nowrap;
}
.vl-hint {
  color: rgba(255, 255, 255, .3) !important;
  font-size: 11px !important;
  white-space: nowrap;
}

/* 关闭按钮更明显 */
.vl-close {
  top: 24px; right: 28px;
  width: 50px; height: 50px;
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .3);
}

/* 加载中 */
.vl-spin.on { display: grid; }
.vl-spin i {
  width: 42px; height: 42px;
  border-width: 2.5px;
}

/* 无视频卡片的角标 */
[data-novideo]::after {
  content: "暂无视频";
  position: absolute;
  right: 8px; bottom: 8px;
  padding: 3px 8px;
  font-size: 10px;
  color: #fff;
  background: rgba(17, 17, 17, .62);
  backdrop-filter: blur(4px);
  letter-spacing: .02em;
  z-index: 4;
  pointer-events: none;
}

/* 有视频的卡片：悬停时不显示遮罩变化，只显示播放钮（已有） */

@media (max-width: 900px) {
  .vl-media video {
    max-height: 66vh !important;
    max-width: 94vw !important;
  }
  .vl-info {
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
  }
  .vl-info h3 { white-space: normal; font-size: 17px !important; }
  .vl-close { top: 14px; right: 14px; width: 42px; height: 42px; }
}



/* 产品中心网格 */
.pgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px 22px;
  margin: 10px 0 44px;
}
.pcard {
  display: block;
  border: 1px solid var(--line);
  background: #FDFCFA;
  transition: border-color .35s, box-shadow .35s, transform .35s var(--ease);
}
.pcard:hover {
  border-color: rgba(17,17,17,.2);
  box-shadow: 0 16px 40px -20px rgba(17,17,17,.35);
  transform: translateY(-4px);
}
.pcard-img { overflow: hidden; background: #E4E2DA; }
.pcard-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform .8s var(--ease);
}
.pcard:hover .pcard-img img { transform: scale(1.04); }
.pcard-body { padding: 16px 16px 18px; }
.pcard-body h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 6px;
}
.pcard-body p {
  font-size: 13px;
  line-height: 1.75;
  color: #5C5C55;
  margin-bottom: 12px;
}
.pcard-more {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
}
.pnote { border-top: 1px solid var(--line); padding-top: 22px; }
.pnote p { font-size: 14px; color: #57574F; line-height: 1.9; margin-bottom: 6px; }
.pnote a { color: var(--accent); border-bottom: 1px solid rgba(228,87,46,.3); }

@media (max-width: 1000px) { .pgrid { grid-template-columns: repeat(2, 1fr); gap: 18px; } }
@media (max-width: 640px) { .pgrid { grid-template-columns: 1fr; } }

/* =========================================================
   产品页（产品中心）
   ========================================================= */

.pd-hero {
  position: relative;
  width: 100%;
  max-height: 520px;
  overflow: hidden;
  background: #0E0E10;
  border-bottom: 1px solid var(--line);
}
.pd-hero img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
}

.sp-hero.pd { padding: 56px 0 44px; }

/* 功能模块网格 */
.pd-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 26px 0 34px;
}
.pd-features > div {
  background: var(--bg);
  padding: 22px 20px;
}
.pd-features h4 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 7px;
  letter-spacing: -.01em;
}
.pd-features p {
  font-size: 13.5px;
  line-height: 1.8;
  color: #57574F;
  margin: 0;
}

/* 场景图 */
.pd-scenes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 24px 0 34px;
}
.pd-scenes figure { margin: 0; }
.pd-scenes img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: #E4E2DA;
  transition: transform .5s var(--ease);
}
.pd-scenes figure:hover img { transform: scale(1.02); }
.pd-scenes figcaption {
  font-size: 12.5px;
  color: #6E6E66;
  padding-top: 7px;
  line-height: 1.5;
}

/* 规格表 */
.pd-specs {
  border-top: 1px solid var(--line-2);
  margin: 20px 0 34px;
}
.pd-specs > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.pd-specs dt {
  font-size: 13px;
  color: #7A7A72;
  font-weight: 600;
}
.pd-specs dd {
  margin: 0;
  font-size: 14px;
  color: #3A3A34;
  line-height: 1.7;
}

/* 侧栏产品导航 */
.pd-list { display: flex; flex-direction: column; gap: 1px; }
.pd-list a {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13.5px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: #4E4E47;
  transition: color .22s, padding .25s;
}
.pd-list a:last-child { border-bottom: 0; }
.pd-list a:hover { color: var(--accent); padding-left: 5px; }
.pd-list a.on { color: var(--accent); font-weight: 600; }
.pd-list a i {
  font-style: normal;
  font-size: 11px;
  color: #A8A69E;
}

/* 双入口 CTA（淘宝 / 电话） */
.pd-cta-box { display: grid; gap: 9px; }
.pd-cta-box a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  transition: background .28s, color .28s, border-color .28s;
}
.pd-cta-box a.primary {
  background: var(--ink);
  color: var(--bg);
}
.pd-cta-box a.primary:hover { background: var(--accent); }
.pd-cta-box a.ghost {
  border: 1px solid var(--line-2);
  color: var(--ink-2);
}
.pd-cta-box a.ghost:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 900px) {
  .pd-hero img { height: 300px; }
  .pd-features { grid-template-columns: 1fr; }
  .pd-scenes { grid-template-columns: 1fr; }
  .pd-specs > div { grid-template-columns: 1fr; gap: 3px; padding: 11px 0; }
}