@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600;8..60,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@1,400;1,500&display=swap');

:root {
  --black: #101815;
  --white: #f4f7f1;
  --paper: #e6ebe4;
  --surface: #fbfcf8;
  --gray: #cbd3c9;
  --gray-mid: rgba(16, 24, 21, 0.55);
  --gray-soft: #69736b;
  --accent: #e9783f;
  --accent-ink: #32160a;
  --brand-green: #2d8b58;
  --wechat-green: #2f9b62;
  --tab-active: #69736b;
  --line: rgba(103, 129, 103, 0.18);
  --radius: 2px;
  --serif: 'Source Serif 4', 'Noto Serif SC', Georgia, serif;
  --sans: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* Lithos-inspired 2026 dark redesign */
@keyframes heroReveal { 0%{opacity:0;transform:translateY(28px);filter:blur(12px)} 100%{opacity:1;transform:translateY(0);filter:blur(0)} }
@keyframes heroFadeUp { 0%{opacity:0;transform:translateY(20px)} 100%{opacity:1;transform:translateY(0)} }
@keyframes heroZoom { 0%{transform:scale(1.12)} 100%{transform:scale(1)} }
.hero-anim{opacity:0;animation-fill-mode:forwards;animation-timing-function:cubic-bezier(.16,1,.3,1)}
.hero-reveal{animation-name:heroReveal;animation-duration:1.1s}
.hero-fade{animation-name:heroFadeUp;animation-duration:1s}
.hero-zoom{animation:heroZoom 1.8s cubic-bezier(.16,1,.3,1) forwards}

body{background:#0b0b0b;color:#f3f0e9;letter-spacing:-.02em;padding-bottom:88px}
.page-grid,.page-noise{display:none}
.site-header{position:fixed;inset:0 0 auto;z-index:100;background:transparent;border:0;color:#fff}
.site-header::after{display:none}
.header-inner{width:100%;padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
.brand-lockup{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.brand-symbol{width:25px;height:25px;fill:currentColor}
.brand-name{font-size:21px;font-weight:500}.brand-name em{font-family:'Playfair Display',serif;font-weight:400}
.header-nav{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:2px;padding:7px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);border-radius:999px;backdrop-filter:blur(16px)}
.header-nav a{color:rgba(255,255,255,.8);text-decoration:none;font-size:13px;font-weight:500;padding:7px 15px;border-radius:999px;transition:.25s ease}
.header-nav a:first-child,.header-nav a:hover{color:#111;background:#fff}
.header-cta,.hero-button{display:inline-flex;align-items:center;gap:18px;background:#fff;color:#111;text-decoration:none;font-size:13px;font-weight:600;padding:11px 21px;border-radius:999px;transition:.25s ease}
.header-cta:hover,.hero-button:hover{transform:scale(1.03);background:#f2f2f2}
.mobile-menu{display:none;border:0;background:rgba(255,255,255,.16);width:43px;height:43px;border-radius:50%;place-items:center;padding:0}
.mobile-menu span{display:block;width:17px;height:1px;background:#fff;margin:4px auto}

.hero-stage{position:relative;width:100%;height:100vh;height:100dvh;min-height:650px;overflow:hidden;background:#000;padding:0;color:#fff}
.hero-base,.hero-reveal-image,.hero-vignette{position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat}
.hero-base{z-index:10;background-image:url('./assets/carousel/ai-editorial-v2-jpg/01-h5.jpg?v=51');filter:saturate(.75) brightness(.62)}
.hero-reveal-image{z-index:30;background-image:url('./assets/carousel/ai-editorial-v2-jpg/03-image.jpg?v=51');pointer-events:none;opacity:0}
.hero-reveal-image.is-ready{opacity:1}
.hero-vignette{z-index:40;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.38),transparent 25%,transparent 60%,rgba(0,0,0,.7)),radial-gradient(circle at 50% 45%,transparent 20%,rgba(0,0,0,.2) 100%)}
.hero-intro{position:absolute;z-index:50;top:14%;left:0;right:0;margin:0;min-height:0;padding:0 20px;text-align:center;background:none;text-shadow:0 8px 30px rgba(0,0,0,.28);color:#fff}
.hero-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:rgba(255,255,255,.68);margin:0 0 22px}
.hero-intro h1{margin:0;font-weight:400;line-height:.91;letter-spacing:-.07em}
.hero-intro h1 span{display:block;font-size:clamp(52px,8vw,116px)}
.hero-line-serif{font-family:'Playfair Display','Source Serif 4',serif;font-style:italic;font-weight:400}
.hero-line-sans{font-family:var(--sans);font-weight:400;margin-top:-4px}
.hero-bottom-left,.hero-bottom-right{position:absolute;z-index:50;bottom:54px;font-size:13px;line-height:1.75;color:rgba(255,255,255,.75)}
.hero-bottom-left{left:54px;width:270px}
.hero-bottom-right{right:54px;width:280px;display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.hero-button{background:#e8702a;color:#fff;padding:13px 23px}.hero-button:hover{background:#d2611f;box-shadow:0 10px 35px rgba(232,112,42,.3)}

.services-nav{position:relative;z-index:5;padding:90px 0 28px;background:#0b0b0b}
.nav-label{color:rgba(255,255,255,.45);letter-spacing:.14em}
.tab-grid{background:#141414;border:1px solid #292929;border-radius:999px;padding:6px;gap:4px}
.tab{color:rgba(255,255,255,.62);border-radius:999px;border:0;background:transparent}.tab:hover{color:#fff;background:#202020}.tab.active{color:#111;background:#f4f1eb}
.main-body{position:relative;z-index:2}.panel-shell,.panel{background:#111;border-color:#2b2b2b;color:#f1eee8}
.footer{background:#090909;border-color:#292929;color:rgba(255,255,255,.55)}

@media(max-width:767px){
  .header-nav,.header-cta{display:none}.mobile-menu{display:grid}.header-inner{padding:13px 16px}.brand-name{font-size:19px}
  .hero-stage{min-height:620px}.hero-intro{top:18%}.hero-intro h1 span{font-size:clamp(48px,15vw,72px)}
  .hero-bottom-left{display:none}.hero-bottom-right{left:20px;right:20px;bottom:34px;width:auto;font-size:12px;gap:16px}.hero-button{padding:12px 21px}
  .services-nav{padding-top:64px}.tab-grid{border-radius:18px}.tab{border-radius:12px}
}
@media(prefers-reduced-motion:reduce){.hero-anim,.hero-zoom{animation:none;opacity:1}}

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

html { scroll-behavior: smooth; }

body {
  position: relative;
  min-height: 100vh;
  background: var(--paper);
  color: var(--black);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: 88px;
}

.wrap {
  width: min(920px, calc(100% - 32px));
  margin-inline: auto;
}

/* 编辑网格底纹 */
.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(233, 120, 63, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 120, 63, 0.14) 1px, transparent 1px),
    linear-gradient(135deg, transparent 49.75%, rgba(16, 24, 21, 0.045) 50%, transparent 50.25%);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, #000 85%, transparent 100%);
  opacity: 0.72;
}

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.28;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--surface);
  border-bottom: 1px solid var(--gray);
}

.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  opacity: 0.85;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  font-size: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--brand-green);
  color: var(--white);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 15px;
}

.brand-name {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.brand-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gray-mid);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* —— Hero 图片带 —— */
.hero-stage {
  position: relative;
  z-index: 1;
  padding-bottom: 24px;
}

.mosaic-wrap {
  position: relative;
  height: min(52vh, 420px);
  overflow: hidden;
  border-bottom: 2px solid var(--accent);
  background: var(--black);
}

.mosaic-compact {
  height: min(42vh, 340px);
}

.mosaic-track {
  display: flex;
  gap: 10px;
  height: 100%;
  width: max-content;
  padding: 10px;
  animation: marquee 48s linear infinite;
}

.mosaic-track img {
  height: 100%;
  width: auto;
  object-fit: cover;
  flex-shrink: 0;
  filter: saturate(0.92) contrast(1.03);
}

/* 首屏粒子：画布只在可视区域绘制，不参与交互。 */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 1;
}

/* 两团缓慢漂移的光，做出比普通渐变更有生命感的流体层。 */
.hero-convert .mosaic-wrap::before,
.hero-convert .mosaic-wrap::after {
  content: '';
  position: absolute;
  inset: -22%;
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: screen;
  filter: blur(20px);
}

.hero-convert .mosaic-wrap::before {
  background:
    radial-gradient(circle at 27% 38%, rgba(80, 255, 189, 0.58) 0 7%, transparent 25%),
    radial-gradient(circle at 72% 64%, rgba(255, 121, 70, 0.5) 0 8%, transparent 27%);
  animation: liquid-drift 14s ease-in-out infinite alternate;
}

.hero-convert .mosaic-wrap::after {
  background: radial-gradient(ellipse at 52% 48%, rgba(116, 172, 255, 0.34) 0 8%, transparent 31%);
  animation: liquid-drift 19s ease-in-out -5s infinite alternate-reverse;
}

@keyframes liquid-drift {
  from { transform: translate3d(-3%, -2%, 0) rotate(-5deg) scale(0.96); }
  to { transform: translate3d(5%, 3%, 0) rotate(8deg) scale(1.08); }
}

.mosaic-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(16, 24, 21, 0.52) 0%, rgba(16, 24, 21, 0.1) 24%, rgba(16, 24, 21, 0.1) 76%, rgba(16, 24, 21, 0.52) 100%),
    linear-gradient(180deg, rgba(16, 24, 21, 0.18) 0%, rgba(16, 24, 21, 0.18) 50%, rgba(230, 235, 228, 0.94) 100%);
  pointer-events: none;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.hero-intro {
  position: relative;
  margin-top: -248px;
  z-index: 4;
  min-height: 210px;
  padding: 28px 24px 0;
  background: transparent;
  border: 0;
  color: var(--white);
  text-align: center;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.36);
}

.hero-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 247, 241, 0.74);
  margin-bottom: 16px;
  border-left: 0;
  padding-left: 0;
}

.hero-intro h1 {
  font-family: var(--serif);
  font-size: 62px;
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}

.hero-intro h1 em {
  font-style: italic;
  color: var(--black);
}

.hero-lead {
  color: rgba(244, 247, 241, 0.9);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.01em;
  max-width: 36ch;
  margin-inline: auto;
}

.hero-convert-card {
  padding-bottom: 24px;
}

.hero-cta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

.hero-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--gray-soft);
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 18px;
  border: 1px solid var(--black);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--wechat-green);
  color: var(--white);
  border-color: var(--wechat-green);
}

.btn-primary:hover {
  background: #24794b;
  border-color: #24794b;
}

.btn-secondary {
  background: var(--surface);
  color: var(--black);
}

.btn-secondary:hover {
  background: var(--white);
}

.btn-block {
  width: 100%;
}

/* —— Services Nav —— */
.services-nav {
  position: relative;
  z-index: 2;
  padding: 28px 0 8px;
}

.nav-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-soft);
  margin-bottom: 12px;
}

.tab-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--gray);
  background: var(--surface);
}

.tab {
  padding: 14px 8px;
  border: none;
  border-right: 1px solid var(--gray);
  background: transparent;
  color: var(--gray-mid);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.tab:last-child { border-right: none; }

.tab:hover {
  color: var(--black);
  background: #edf0ec;
}

.tab.active {
  background: var(--tab-active);
  color: var(--white);
  font-weight: 600;
}

/* —— Main Panel —— */
.main-body {
  position: relative;
  z-index: 2;
  padding: 20px 0 80px;
}

.panel-shell {
  border: 1px solid var(--gray);
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(16, 24, 21, 0.09);
}

.panel {
  animation: fade 0.3s ease;
}

@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.panel-hero {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--gray);
  background: var(--black);
}

.service-gallery {
  --drag-x: 0px;
  --drag-dim: 0;
  --active-offset: 0%;
  touch-action: pan-y;
}

.gallery-track {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  transform: translate3d(calc(var(--active-offset) + var(--drag-x)), 0, 0);
  transition: transform 0.38s cubic-bezier(0.2, 0.86, 0.24, 1);
  will-change: transform;
}

.service-gallery.is-dragging .gallery-track {
  transition: none;
}

.service-gallery.is-settling .gallery-track {
  transition: transform 0.42s cubic-bezier(0.18, 0.9, 0.18, 1);
}

.gallery-slide {
  position: relative;
  flex: 0 0 100%;
  min-width: 100%;
  height: 100%;
  overflow: hidden;
}

.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
}

.gallery-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(16, 24, 21, 0.72) 0%, rgba(16, 24, 21, 0.36) 42%, rgba(16, 24, 21, 0.04) 100%),
    linear-gradient(180deg, transparent 50%, rgba(16, 24, 21, 0.74) 100%);
  pointer-events: none;
  opacity: calc(1 - var(--drag-dim));
  transition: opacity 0.28s ease;
}

.gallery-copy {
  position: absolute;
  left: clamp(18px, 5vw, 46px);
  bottom: clamp(54px, 8vw, 78px);
  z-index: 2;
  max-width: min(390px, calc(100% - 120px));
  color: var(--white);
  text-shadow: 0 8px 20px rgba(0, 0, 0, 0.32);
}

.gallery-slide.has-gallery-link .gallery-copy {
  bottom: clamp(30px, 5.2vw, 48px);
}

.gallery-copy h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 10px;
  font-family: var(--serif);
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.gallery-title-label {
  color: #f5c542;
  font-family: var(--mono);
  font-size: 0.42em;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
  text-shadow: 0 5px 18px rgba(245, 197, 66, 0.36);
}

.gallery-copy span {
  display: block;
  color: rgba(244, 247, 241, 0.86);
  font-size: 14px;
  line-height: 1.7;
}

.gallery-label {
  display: inline-flex;
  align-items: center;
  margin-right: 8px;
  padding: 2px 8px;
  border: 1px solid rgba(244, 247, 241, 0.32);
  border-radius: 999px;
  background: rgba(244, 247, 241, 0.14);
  color: var(--white);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  vertical-align: 1px;
  backdrop-filter: blur(10px);
}

.gallery-link {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(244, 247, 241, 0.7);
  background: rgba(244, 247, 241, 0.16);
  color: var(--white);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.gallery-link:hover {
  background: rgba(244, 247, 241, 0.24);
}

.gallery-arrow {
  position: absolute;
  top: auto;
  bottom: 18px;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(244, 247, 241, 0.34);
  border-radius: 999px;
  background: rgba(16, 24, 21, 0.28);
  color: var(--white);
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1;
  transform: none;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 20px rgba(16, 24, 21, 0.18);
}

.gallery-prev {
  left: auto;
  right: 58px;
}

.gallery-next { right: 16px; }

.gallery-arrow:hover {
  background: var(--wechat-green);
  border-color: var(--wechat-green);
}

.gallery-count {
  position: absolute;
  right: 16px;
  top: 14px;
  z-index: 3;
  color: rgba(244, 247, 241, 0.72);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1;
  text-shadow: 0 6px 16px rgba(16, 24, 21, 0.28);
}

.panel-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.6s ease;
}

.panel-shell:hover .panel-hero img {
  transform: scale(1.05);
}

.panel-body {
  padding: 32px 28px 28px;
}

.panel-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-soft);
  margin-bottom: 10px;
}

.panel-body h2 {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 14px;
}

.panel-desc {
  color: var(--gray-mid);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 6px;
  max-width: 60ch;
}

.block {
  padding-top: 28px;
  margin-top: 28px;
  border-top: 1px solid var(--gray);
}

.block h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-soft);
}

.block h3::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.block h3 span {
  color: var(--black);
}

.price-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--gray);
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  font-size: 14px;
  border-bottom: 1px solid var(--gray);
  background: var(--surface);
  transition: background 0.2s;
}

.price-row:last-child { border-bottom: none; }
.price-row:hover { background: var(--white); }

.price-row span {
  color: var(--gray-mid);
  font-weight: 500;
}

.price-row strong {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  white-space: nowrap;
}

.note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--gray-soft);
  line-height: 1.65;
}

.flow-list {
  list-style: none;
  display: grid;
  gap: 0;
  border: 1px solid var(--gray);
}

.flow-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px 18px;
  font-size: 14px;
  color: var(--gray-mid);
  line-height: 1.65;
  border-bottom: 1px solid var(--gray);
}

.flow-list li:last-child { border-bottom: none; }

.flow-list li span {
  justify-self: center;
  min-width: 42px;
  padding: 0 0 6px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--wechat-green);
  background: transparent;
  border-bottom: 2px solid rgba(47, 155, 98, 0.45);
  text-align: center;
}

.contact-block {
  background: var(--black);
  margin-left: -28px;
  margin-right: -28px;
  margin-bottom: 0;
  padding: 28px;
  border-top: none;
  color: var(--white);
}

.panel-end-cta {
  margin-left: -28px;
  margin-right: -28px;
  margin-bottom: -28px;
  padding: 24px 28px 28px;
  background: var(--white);
  border-top: 1px solid var(--gray);
}

.panel-end-note {
  margin-top: 10px;
  text-align: center;
  font-size: 12px;
  color: var(--gray-soft);
}

.bottom-cta-single {
  grid-template-columns: 1fr;
}

.contact-block h3::before { background: var(--white); }
.contact-block h3 span { color: var(--white); }
.contact-block h3 { color: rgba(236, 236, 236, 0.55); }

.contact-block p {
  color: rgba(236, 236, 236, 0.78);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 22px;
  max-width: 52ch;
}

.contact-actions {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  flex-wrap: wrap;
}

.contact-qr {
  flex-shrink: 0;
  margin: 0;
  text-align: center;
}

.contact-qr img {
  display: block;
  width: 160px;
  height: 160px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--gray);
}

.contact-qr figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(236, 236, 236, 0.6);
  letter-spacing: 0.04em;
}

.contact-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 160px;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border: 1px solid var(--wechat-green);
  border-radius: 0;
  background: var(--wechat-green);
  color: var(--white);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-copy:hover {
  background: var(--wechat-green);
  border-color: var(--wechat-green);
  color: var(--white);
}

.copy-status {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  color: rgba(236, 236, 236, 0.55);
}

.cases-empty {
  padding: 24px;
  border: 1px dashed var(--gray);
  background: var(--white);
  color: var(--gray-soft);
  font-size: 14px;
  text-align: center;
}

.contact-block .cases-empty {
  border-color: rgba(236, 236, 236, 0.25);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(236, 236, 236, 0.55);
}

/* —— Footer —— */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--gray);
  background: var(--surface);
  box-shadow: inset 0 2px 0 var(--accent);
  padding: 22px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-brand { color: var(--black); font-weight: 500; }
.footer-note { color: var(--gray-soft); }

/* —— 固定底部咨询栏 —— */
.bottom-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--gray);
  box-shadow: 0 -8px 30px rgba(16, 24, 21, 0.08), inset 0 2px 0 var(--accent);
  backdrop-filter: blur(10px);
}

.bottom-cta-inner {
  width: min(920px, calc(100% - 24px));
  margin: 0 auto;
  padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 8px;
}

.btn-bottom-ghost,
.btn-bottom-primary {
  min-height: 48px;
  border: 1px solid var(--black);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.btn-bottom-ghost {
  background: var(--surface);
  color: var(--black);
}

.btn-bottom-primary {
  background: var(--wechat-green);
  color: var(--white);
  border-color: var(--wechat-green);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(78px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 70;
  max-width: min(90vw, 420px);
  padding: 12px 16px;
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.toast[hidden] { display: none; }

@media (max-width: 720px) {
  .header-inner {
    grid-template-columns: auto 1fr;
  }

  .brand-meta { display: none; }

  .hero-intro {
    margin-top: -218px;
    min-height: 190px;
    padding: 24px 18px 0;
  }

  .hero-intro h1 { font-size: 38px; }

  .hero-lead { font-size: 17px; }

  .panel-body h2 { font-size: 30px; }

  .hero-cta-row {
    grid-template-columns: 1fr;
  }

  .hero-lead { max-width: none; }

  .mosaic-compact {
    height: 300px;
  }

  .gallery-copy {
    left: 18px;
    right: 18px;
    bottom: 56px;
    max-width: none;
  }

  .gallery-slide.has-gallery-link .gallery-copy {
    bottom: 28px;
  }

  .gallery-copy h3 { font-size: 24px; }

  .gallery-copy span {
    font-size: 13px;
  }

  .gallery-arrow {
    display: none;
  }

  .gallery-count {
    display: none;
  }

  .panel-end-cta {
    margin-left: -18px;
    margin-right: -18px;
    margin-bottom: -18px;
    padding: 20px 18px 24px;
  }

  .tab-grid {
    grid-template-columns: repeat(5, minmax(68px, 1fr));
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    font-size: 11px;
    padding: 12px 4px;
    white-space: nowrap;
  }

  .panel-body { padding: 24px 18px 0; }

  .contact-block {
    margin-left: -18px;
    margin-right: -18px;
    margin-bottom: 0;
    padding: 24px 18px 28px;
  }

  .contact-actions {
    flex-direction: column;
    align-items: center;
  }

  .contact-copy {
    align-items: center;
    min-height: 0;
    text-align: center;
  }

  .price-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .mosaic-track {
    animation: none;
  }

  .hero-particles {
    display: none;
  }

  .hero-convert .mosaic-wrap::before,
  .hero-convert .mosaic-wrap::after {
    animation: none;
  }
}

/* Final dark-theme overrides */
body{background:#0b0b0b;color:#f3f0e9;letter-spacing:-.02em;padding-bottom:88px}.page-grid,.page-noise{display:none}
.site-header{position:fixed;inset:0 0 auto;z-index:100;background:transparent;border:0;color:#fff}.site-header::after{display:none}
.header-inner{width:100%;max-width:none;padding:16px 20px;display:flex;align-items:center;justify-content:space-between}.brand-lockup{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}.brand-symbol{width:25px;height:25px;fill:currentColor}.brand-name{font-size:21px;font-weight:500}.brand-name em{font-family:'Playfair Display',serif;font-weight:400}.header-nav{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:2px;padding:7px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);border-radius:999px;backdrop-filter:blur(16px)}.header-nav a{color:rgba(255,255,255,.8);text-decoration:none;font-size:13px;font-weight:500;padding:7px 15px;border-radius:999px;transition:.25s ease}.header-nav a:first-child,.header-nav a:hover{color:#111;background:#fff}.header-cta,.hero-button{display:inline-flex;align-items:center;gap:18px;background:#fff;color:#111;text-decoration:none;font-size:13px;font-weight:600;padding:11px 21px;border-radius:999px;transition:.25s ease}.header-cta:hover,.hero-button:hover{transform:scale(1.03);background:#f2f2f2}.mobile-menu{display:none;border:0;background:rgba(255,255,255,.16);width:43px;height:43px;border-radius:50%;place-items:center;padding:0}.mobile-menu span{display:block;width:17px;height:1px;background:#fff;margin:4px auto}
.hero-stage{position:relative;width:100%;height:100vh;height:100dvh;min-height:650px;overflow:hidden;background:#000;padding:0;color:#fff}.hero-base,.hero-reveal-image,.hero-vignette{position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat}.hero-base{z-index:10;background-image:url('./assets/carousel/ai-editorial-v2-jpg/01-h5.jpg?v=51');filter:saturate(.75) brightness(.62)}.hero-reveal-image{z-index:30;background-image:url('./assets/carousel/ai-editorial-v2-jpg/03-image.jpg?v=51');pointer-events:none;opacity:0}.hero-reveal-image.is-ready{opacity:1}.hero-vignette{z-index:40;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.38),transparent 25%,transparent 60%,rgba(0,0,0,.7)),radial-gradient(circle at 50% 45%,transparent 20%,rgba(0,0,0,.2) 100%)}.hero-intro{position:absolute;z-index:50;top:14%;left:0;right:0;margin:0;min-height:0;padding:0 20px;text-align:center;background:none;border:0;text-shadow:0 8px 30px rgba(0,0,0,.28);color:#fff}.hero-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:rgba(255,255,255,.68);margin:0 0 22px}.hero-intro h1{margin:0;font-weight:400;line-height:.91;letter-spacing:-.07em}.hero-intro h1 span{display:block;font-size:clamp(52px,8vw,116px)}.hero-line-serif{font-family:'Playfair Display','Source Serif 4',serif;font-style:italic;font-weight:400}.hero-line-sans{font-family:var(--sans);font-weight:400;margin-top:-4px}.hero-bottom-left,.hero-bottom-right{position:absolute;z-index:50;bottom:54px;font-size:13px;line-height:1.75;color:rgba(255,255,255,.75)}.hero-bottom-left{left:54px;width:270px}.hero-bottom-right{right:54px;width:280px;display:flex;flex-direction:column;align-items:flex-start;gap:20px}.hero-button{background:#e8702a;color:#fff;padding:13px 23px}.hero-button:hover{background:#d2611f;box-shadow:0 10px 35px rgba(232,112,42,.3)}
.services-nav{position:relative;z-index:5;padding:90px 0 28px;background:#0b0b0b}.nav-label{color:rgba(255,255,255,.45);letter-spacing:.14em}.tab-grid{background:#141414;border:1px solid #292929;border-radius:999px;padding:6px;gap:4px}.tab{color:rgba(255,255,255,.62);border-radius:999px;border:0;background:transparent}.tab:hover{color:#fff;background:#202020}.tab.active{color:#111;background:#f4f1eb}.main-body{position:relative;z-index:2}.panel-shell,.panel{background:#111;border-color:#2b2b2b;color:#f1eee8}.footer{background:#090909;border-color:#292929;color:rgba(255,255,255,.55)}
@media(max-width:767px){.header-nav,.header-cta{display:none}.mobile-menu{display:grid}.header-inner{padding:13px 16px}.brand-name{font-size:19px}.hero-stage{min-height:620px}.hero-intro{top:18%;margin:0;padding:0 18px}.hero-intro h1 span{font-size:clamp(48px,15vw,72px)}.hero-bottom-left{display:none}.hero-bottom-right{left:20px;right:20px;bottom:34px;width:auto;font-size:12px;gap:16px}.hero-button{padding:12px 21px}.services-nav{padding-top:64px}.tab-grid{border-radius:18px}.tab{border-radius:12px}}

/* Muted copy needs a light value on the redesigned dark panels. */
.panel-desc,.flow-list li{color:rgba(255,255,255,.74)}
.panel-kicker,.block h3,.note{color:rgba(255,255,255,.52)}
.block h3 span{color:#f1eee8}
.flow-list{border-color:#303030}
.flow-list li{border-color:#303030}

/* Pricing stays within the dark visual system. */
.price-list{border-color:#303030;background:#151515}
.price-row{background:#151515;border-color:#303030;color:#f5f2ec}
.price-row:hover{background:#1d1d1d}
.price-row span{color:rgba(255,255,255,.72)}
.price-row strong{color:#fff}

@media(max-width:767px){
  .hero-stage{height:62vh;height:62dvh;min-height:460px;max-height:560px}
  .hero-base,.hero-reveal-image{background-position:center 42%}
  .hero-intro{top:18%}
  .hero-kicker{margin-bottom:14px}
  .hero-intro h1 span{font-size:clamp(42px,13vw,60px)}
  .hero-bottom-right{bottom:22px;max-width:330px}
  .hero-bottom-right p{display:none}
  .services-nav{padding-top:44px}
}