/* 千维顺科技 — UI v3 Prestige：深色电影感 Hero + 象牙白内容区 + 品牌红/香槟金 */
:root {
  --logo-red: #b3261f;
  --logo-ink: #0a0a0a;

  --color-bg: #f3efe9;
  --color-bg-elevated: #ffffff;
  --color-bg-warm: #ebe4db;
  --color-surface: #faf7f3;
  --color-text: #141210;
  --color-text-muted: #6b6560;
  --color-border: #ddd6ce;
  --color-border-strong: #c4bab0;

  --color-accent: var(--logo-red);
  --color-accent-bright: #d43b30;
  --color-accent-hover: #8a1a14;
  --color-accent-soft: rgba(179, 38, 31, 0.09);
  --color-accent-glow: rgba(179, 38, 31, 0.32);
  --color-accent-light: #fca5a5;

  --color-gold: #b8956a;
  --color-gold-bright: #d4b896;
  --color-gold-soft: rgba(184, 149, 106, 0.14);

  --color-navy: #0e0d0c;
  --color-navy-soft: #1c1917;
  --color-dark-hero: #080706;

  --font-sans: "DM Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "DM Sans", "Noto Sans SC", "PingFang SC", serif;
  --text-body: clamp(15px, 1.6vw, 17px);
  --leading-body: 1.65;
  --leading-relaxed: 1.72;
  --leading-snug: 1.25;
  --tracking-tight: -0.025em;
  --prose-max: 58ch;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-2xl: 34px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(22, 18, 16, 0.04), 0 2px 8px rgba(22, 18, 16, 0.05);
  --shadow-md: 0 8px 28px -6px rgba(22, 18, 16, 0.1);
  --shadow-lg: 0 22px 56px -16px rgba(22, 18, 16, 0.14);
  --shadow-card: 0 6px 28px -8px rgba(22, 18, 16, 0.09);
  --shadow-glow-accent: 0 16px 44px -12px rgba(179, 38, 31, 0.38);
  --logo-mark-h: 48px;
  --logo-mark-w: calc(var(--logo-mark-h) * 1024 / 340);
  --logo-mark-h-sm: 36px;
  --logo-mark-h-footer: 28px;
  --header-h: 84px;
  --container-pad: clamp(1.25rem, 5vw, 2.25rem);
  --max-w: 1280px;
  --section-y: clamp(3.25rem, 7vw, 5.5rem);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
  max-width: 100%;
}

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

::selection {
  background: rgba(179, 38, 31, 0.15);
  color: var(--color-text);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-feature-settings: "kern" 1, "liga" 1;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  overflow-wrap: break-word;
}

:is(h1, h2, h3, h4, h5, h6) {
  font-family: var(--font-display);
  color: var(--color-navy);
  font-weight: 700;
  text-wrap: balance;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--color-accent-hover);
}

.container {
  width: min(calc(100% - 2 * var(--container-pad)), var(--max-w));
  margin-inline: auto;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

@media (max-width: 380px) {
  :root {
    --container-pad: 0.75rem;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  overflow: visible;
  background: rgba(252, 249, 245, 0.92);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(20, 18, 16, 0.08);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset, 0 4px 24px -16px rgba(22, 18, 16, 0.08);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

a.logo:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 6px;
  border-radius: 4px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  color: var(--color-navy);
  text-decoration: none;
  min-width: 0;
}

.logo:hover {
  color: var(--color-navy);
}

/* 品牌 LOGO：1024×340 PNG（含圆角红标与「千维顺」字标） */
.logo-img-wrap {
  display: block;
  flex-shrink: 0;
  width: var(--logo-mark-w);
  height: var(--logo-mark-h);
  line-height: 0;
}

.logo-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.logo:hover .logo-img {
  opacity: 0.92;
}

.site-footer .logo-img {
  opacity: 1;
}

.footer-logo:hover .logo-img {
  opacity: 1;
}

@media (max-width: 480px) {
  .logo-img-wrap {
    width: calc(var(--logo-mark-h-sm) * 1024 / 340);
    height: var(--logo-mark-h-sm);
  }

  .logo {
    min-width: 0;
    font-size: 0.98rem;
  }
}

.footer-brand .logo-img-wrap {
  width: calc(var(--logo-mark-h-footer) * 1024 / 340);
  height: var(--logo-mark-h-footer);
  margin-bottom: 0.5rem;
}

.footer-logo .logo-img-wrap {
  margin-bottom: 0;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-desktop a {
  padding: 0.48rem 0.8rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.015em;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .nav-desktop a:hover {
    color: var(--color-navy);
    background: rgba(179, 38, 31, 0.08);
  }
}

.nav-desktop a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-desktop a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 700;
  background: var(--color-accent-soft);
  box-shadow: 0 0 0 1px rgba(179, 38, 31, 0.12);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 2vw, 0.85rem);
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .header-actions .btn-primary {
    padding: 0.58rem 1.15rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .header-actions .btn-primary {
    padding: 0.55rem 0.85rem;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    min-height: 44px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1.55rem;
  font-family: inherit;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background 0.25s var(--ease),
    color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    transform 0.2s var(--ease-out),
    box-shadow 0.25s var(--ease);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(180deg, var(--color-accent-bright) 0%, var(--color-accent) 100%);
  color: #fff;
  box-shadow: var(--shadow-glow-accent), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn-primary:focus-visible {
  outline-color: #fff;
  box-shadow:
    var(--shadow-glow-accent),
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 0 0 3px rgba(179, 38, 31, 0.35);
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    background: linear-gradient(180deg, var(--color-accent-bright) 0%, var(--color-accent-hover) 100%);
    color: #fff;
    box-shadow: 0 12px 36px -8px rgba(179, 38, 31, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
  }
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 4px 18px -6px rgba(179, 38, 31, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-ghost {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

a.btn-ghost,
a.btn-ghost:visited {
  color: var(--color-text);
}

@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover {
    border-color: var(--color-border-strong);
    color: var(--color-navy);
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }

  a.btn-ghost:hover {
    color: var(--color-navy);
  }
}

.btn-ghost:focus-visible {
  border-color: var(--color-border-strong);
}

.btn-ghost:active {
  transform: translateY(0) scale(0.98);
  background: var(--color-bg-warm);
  border-color: var(--color-border-strong);
  color: var(--color-navy);
}

a.btn-ghost:active {
  color: var(--color-navy);
}

/* 内页 Hero CTA：双 Ghost 按钮默认 / 悬停一致，避免红框跳色 */
.page-inner .website-hero-cta .btn-ghost,
.page-inner .cases-hero-cta .btn-ghost {
  background: #fff;
  border: 1px solid rgba(20, 18, 16, 0.11);
  box-shadow:
    0 1px 2px rgba(22, 18, 16, 0.04),
    0 4px 14px -6px rgba(22, 18, 16, 0.08);
  color: var(--color-navy);
}

@media (hover: hover) and (pointer: fine) {
  .page-inner .website-hero-cta .btn-ghost:hover,
  .page-inner .cases-hero-cta .btn-ghost:hover {
    border-color: rgba(20, 18, 16, 0.2);
    color: var(--color-navy);
    background: #fff;
    box-shadow:
      0 4px 18px -8px rgba(22, 18, 16, 0.14),
      0 0 0 1px rgba(255, 255, 255, 0.85) inset;
    transform: translateY(-1px);
  }
}

.page-inner .website-hero-cta .btn-ghost:active,
.page-inner .cases-hero-cta .btn-ghost:active {
  border-color: rgba(20, 18, 16, 0.24);
  background: var(--color-surface);
  color: var(--color-navy);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .nav-toggle:hover {
    background: #fff;
    border-color: var(--color-border-strong);
  }
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-toggle:active {
  background: var(--color-bg-warm);
  transform: scale(0.96);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  right: 0;
  left: 0;
  z-index: 150;
  height: calc(100dvh - var(--header-h));
  max-height: calc(100svh - var(--header-h));
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.25rem;
  padding-bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  flex-direction: column;
  gap: 0.35rem;
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow-lg);
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.05rem;
  min-height: 48px;
  display: flex;
  align-items: center;
}

@media (hover: hover) and (pointer: fine) {
  .nav-mobile a:hover {
    background: var(--color-accent-soft);
    color: var(--color-accent-hover);
  }
}

.nav-mobile a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  background: var(--color-accent-soft);
}

.nav-mobile a:active {
  background: rgba(179, 38, 31, 0.12);
}

@media (min-width: 900px) {
  .nav-mobile {
    display: none !important;
  }
}

/* Hero：冷色底 + 云形光晕 + 细网格（科技感） */
.hero {
  position: relative;
  padding: clamp(3.25rem, 10vw, 7.75rem) 0 clamp(3rem, 11vw, 6.75rem);
  overflow: hidden;
  isolation: isolate;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 85% 65% at 10% -5%, rgba(59, 130, 246, 0.09) 0%, transparent 52%),
    radial-gradient(ellipse 70% 55% at 18% 12%, rgba(179, 38, 31, 0.1) 0%, transparent 58%),
    radial-gradient(ellipse 55% 45% at 92% 8%, rgba(99, 102, 241, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse 90% 50% at 50% 105%, rgba(15, 23, 42, 0.05) 0%, transparent 55%),
    linear-gradient(168deg, #e8edf2 0%, #f0ebe6 36%, var(--color-bg) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56' viewBox='0 0 56 56'%3E%3Ccircle cx='1' cy='1' r='0.9' fill='%2364748b' fill-opacity='0.11'/%3E%3C/svg%3E"),
    linear-gradient(118deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size:
    56px 56px,
    64px 64px,
    64px 64px;
  background-position: 0 0, -1px -1px, -1px -1px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 35%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 35%, #000 0%, transparent 72%);
}

.hero-bg-layer {
  position: absolute;
  inset: -6% -4%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-bg-layer {
    animation: hero-bg-drift 36s ease-in-out infinite alternate;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg-layer {
    animation: none;
  }
}

@keyframes hero-bg-drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    transform: translate3d(-1.2%, 0.8%, 0) scale(1.025);
  }
}

.hero-bg-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 52% 42% at 16% 76%, rgba(255, 255, 255, 0.58) 0%, transparent 58%),
    radial-gradient(ellipse 44% 34% at 7% 90%, rgba(255, 255, 255, 0.42) 0%, transparent 52%),
    radial-gradient(ellipse 48% 40% at 90% 10%, rgba(96, 165, 250, 0.16) 0%, transparent 56%),
    radial-gradient(ellipse 38% 32% at 82% 24%, rgba(179, 38, 31, 0.08) 0%, transparent 52%);
  opacity: 0.88;
}

.hero-bg-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120' fill='none'%3E%3Cpath stroke='%2394a3b8' stroke-opacity='0.22' stroke-width='0.6' d='M20 60h80M60 20v80'/%3E%3Ccircle cx='60' cy='60' r='2.2' fill='%23b3261f' fill-opacity='0.35'/%3E%3Ccircle cx='20' cy='60' r='1.2' fill='%2394a3b8' fill-opacity='0.35'/%3E%3Ccircle cx='100' cy='60' r='1.2' fill='%2394a3b8' fill-opacity='0.35'/%3E%3C/svg%3E");
  background-size: 120px 120px;
  mask-image: radial-gradient(ellipse 88% 72% at 48% 42%, #000 12%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 88% 72% at 48% 42%, #000 12%, transparent 70%);
}

.hero-main {
  position: relative;
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 880px) {
  .hero-grid {
    grid-template-columns: 1.02fr 1fr;
    gap: clamp(2.5rem, 5.5vw, 4.25rem);
    align-items: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.9rem 0.38rem 0.82rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82) 0%, rgba(248, 250, 252, 0.75) 100%);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: var(--radius-pill);
  margin-bottom: 1.2rem;
  box-shadow:
    0 4px 24px rgba(15, 23, 42, 0.06),
    0 0 0 1px rgba(255, 255, 255, 0.55) inset;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--color-accent-bright), var(--color-accent));
  box-shadow:
    0 0 0 3px rgba(179, 38, 31, 0.15),
    0 0 12px rgba(179, 38, 31, 0.35);
  flex-shrink: 0;
}

.hero h1 {
  margin: 0 0 1.15rem;
  font-size: clamp(1.85rem, calc(0.22rem + 5.1vw), 3.35rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.04em;
  max-width: min(26ch, 100%);
  text-wrap: balance;
  background: linear-gradient(118deg, #0f172a 0%, #1c1917 38%, #292524 78%, #3f3f46 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not (background-clip: text) {
  .hero h1 {
    color: var(--color-navy);
    background: none;
  }
}

@media (min-width: 640px) {
  .hero h1 {
    max-width: min(24ch, 100%);
  }
}

@media (min-width: 1100px) {
  .hero h1 {
    max-width: min(22ch, 100%);
  }
}

.hero-lead {
  margin: 0 0 1.65rem;
  font-size: clamp(0.9375rem, 0.85vw + 0.78rem, 1.0625rem);
  color: var(--color-text-muted);
  max-width: min(50ch, 100%);
  line-height: 1.65;
  font-weight: 400;
}

.hero-lead strong {
  font-weight: 700;
  color: var(--color-navy);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.15rem;
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  padding: 2rem 0 0;
  margin: 0;
  list-style: none;
  position: relative;
  border-top: none;
}

.hero-stats::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(59, 130, 246, 0.22) 22%,
    rgba(179, 38, 31, 0.35) 50%,
    rgba(59, 130, 246, 0.18) 78%,
    transparent 100%
  );
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65);
}

.hero-stats li {
  margin: 0;
  min-width: 0;
}

@media (min-width: 540px) {
  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    padding-top: 2.25rem;
  }
}

.stat {
  text-align: left;
  padding: 1.35rem 1.3rem 1.4rem;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.94) 0%, rgba(248, 250, 252, 0.9) 48%, rgba(255, 252, 250, 0.92) 100%);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  box-shadow:
    var(--shadow-card),
    0 0 0 1px rgba(255, 255, 255, 0.65) inset,
    0 12px 40px -24px rgba(59, 130, 246, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.stat-value {
  font-size: clamp(1.12rem, 2.5vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.032em;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.15;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.32rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.45;
}

.stat--focus {
  border-top-width: 5px;
  box-shadow:
    var(--shadow-card),
    0 0 0 1px rgba(179, 38, 31, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.7) inset,
    0 16px 44px -28px rgba(179, 38, 31, 0.18);
  background: linear-gradient(160deg, #fffefd 0%, #f8fafc 55%, #faf7f5 100%);
}

.stat--focus .stat-value {
  font-size: clamp(1.1rem, 2.4vw, 1.32rem);
  line-height: 1.16;
}

.stat--focus .stat-label {
  color: var(--color-text-muted);
  font-size: 0.78125rem;
  margin-top: 0.36rem;
  line-height: 1.48;
  font-weight: 400;
}

a.stat--link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease), border-color 0.2s var(--ease);
}

a.stat--link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(179, 38, 31, 0.12);
  border-color: rgba(179, 38, 31, 0.22);
}

a.stat--link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* 首页首屏：紧凑 + 层次（文案 → 托板 → 三卡） */
.page-home .hero {
  padding: clamp(2.35rem, 7vw, 5rem) 0 clamp(2.1rem, 7.5vw, 4.25rem);
}

.page-home .hero-grid {
  gap: clamp(1.45rem, 3.2vw, 2.65rem);
}

@media (min-width: 880px) {
  .page-home .hero-grid {
    gap: clamp(1.65rem, 2.8vw, 3rem);
  }
}

.page-home .hero-badge {
  margin-bottom: 1rem;
}

.page-home .hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, calc(0.12rem + 4.2vw), 2.85rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.page-home .hero-lead {
  margin-bottom: 1.25rem;
}

.page-home .hero-cta {
  margin-bottom: 1.2rem;
  gap: 0.6rem 0.85rem;
}

.page-home .hero-stats {
  gap: 0.55rem;
}

@media (min-width: 540px) {
  .page-home .hero-stats {
    gap: 0.65rem;
  }
}

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* 首页 Hero：Banner 大图幻灯片 */
.hero-banner-carousel {
  position: relative;
  margin: 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow:
    var(--shadow-lg),
    0 28px 56px -28px rgba(15, 23, 42, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.55) inset,
    0 0 48px -16px rgba(59, 130, 246, 0.12),
    0 0 0 1px rgba(179, 38, 31, 0.06);
  aspect-ratio: 16 / 9;
  background: linear-gradient(145deg, #e2e8f0 0%, var(--color-border-strong) 100%);
}

.hero-banner-carousel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  border-radius: inherit;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    inset 0 -40px 60px -20px rgba(15, 23, 42, 0.12);
}

.hero-banner-carousel::after {
  content: "";
  position: absolute;
  inset: 10px;
  z-index: 2;
  pointer-events: none;
  border-radius: calc(var(--radius-2xl) - 10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  opacity: 0.85;
}

.hero-banner-track {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.hero-banner-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s var(--ease-out), visibility 0.55s;
  pointer-events: none;
}

.hero-banner-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .hero-banner-slide {
    transition: none;
  }
}

.hero-banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(26, 20, 20, 0.45);
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .hero-banner-arrow:hover {
    background: rgba(26, 20, 20, 0.72);
    transform: translateY(-50%) scale(1.06);
  }
}

.hero-banner-arrow:active {
  transform: translateY(-50%) scale(0.94);
  background: rgba(179, 38, 31, 0.88);
}

.hero-banner-arrow:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.hero-banner-prev {
  left: 0.65rem;
}

.hero-banner-next {
  right: 0.65rem;
}

@media (max-width: 480px) {
  .hero-banner-arrow {
    width: 2.15rem;
    height: 2.15rem;
    font-size: 1.15rem;
  }

  .hero-banner-prev {
    left: 0.4rem;
  }

  .hero-banner-next {
    right: 0.4rem;
  }
}

.hero-banner-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.65rem;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  padding: 0 2.5rem;
  pointer-events: none;
}

.hero-banner-dots .hero-banner-dot {
  pointer-events: auto;
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), width 0.25s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .hero-banner-dots .hero-banner-dot:hover {
    background: rgba(255, 255, 255, 0.82);
    transform: scale(1.15);
  }
}

.hero-banner-dots .hero-banner-dot.is-active {
  background: #fff;
  width: 1.35rem;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.hero-banner-dots .hero-banner-dot:active {
  transform: scale(0.92);
}

.hero-banner-dots .hero-banner-dot:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

/* 首页等业务场景图片栅格（与 index 内联样式一致） */
.photo-mosaic {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: var(--color-bg-elevated);
  border-block: 1px solid var(--color-border);
}

.photo-mosaic .section-head--center {
  text-align: center;
  margin-inline: auto;
}

.photo-mosaic .section-head--center h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.photo-mosaic-grid {
  display: grid;
  gap: clamp(0.65rem, 2vw, 1rem);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 720px) {
  .photo-mosaic-grid {
    grid-template-columns: 1fr;
  }
}

.photo-mosaic-item {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  background: var(--color-bg-elevated);
}

.photo-mosaic-item img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.photo-mosaic-note {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* Section */
section {
  padding: var(--section-y) 0;
}

#services {
  background: linear-gradient(180deg, var(--color-surface) 0%, #f9f6f3 100%);
  border-block: 1px solid rgba(226, 220, 215, 0.85);
  position: relative;
}

#services::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: min(100%, 900px);
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(179, 38, 31, 0.2), transparent);
  pointer-events: none;
}

#cases {
  background: linear-gradient(180deg, transparent 0%, rgba(255, 252, 250, 0.5) 100%);
}

.section-kicker {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  margin-bottom: 0.9rem;
  padding: 0.38rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  border: 1px solid rgba(179, 38, 31, 0.12);
}

.section-head {
  max-width: min(760px, 100%);
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.section-head h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.85rem, 3.6vw, 2.45rem);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--color-navy);
  position: relative;
  padding-bottom: 1rem;
}

.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(179, 38, 31, 0.35) 100%);
  opacity: 1;
}

.section-head p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  line-height: var(--leading-relaxed);
  max-width: min(var(--prose-max), 100%);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
  max-width: min(720px, 100%);
}

.section-head--center h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-head--center p {
  margin-inline: auto;
}

/* 首页 main：区块标题与导语层级（仅 page-home，略小于全站默认以突出 Hero） */
.page-home .section-kicker {
  font-size: 0.64rem;
  margin-bottom: 0.75rem;
}

.page-home .section-head h2 {
  font-size: clamp(1.68rem, 3.15vw, 2.22rem);
  line-height: 1.14;
  padding-bottom: 0.85rem;
  margin-bottom: 0.65rem;
}

.page-home .section-head p {
  font-size: clamp(0.96rem, 1.55vw, 1.04rem);
  line-height: 1.62;
  color: var(--color-text-muted);
}

.page-home .section-head--center p {
  line-height: 1.62;
}

.core-business {
  padding-block: var(--section-y);
  background:
    radial-gradient(ellipse 85% 55% at 50% -5%, rgba(179, 38, 31, 0.07) 0%, transparent 52%),
    linear-gradient(180deg, #ebe6e1 0%, var(--color-bg) 55%);
  border-block: 1px solid rgba(226, 220, 215, 0.75);
}

.core-business-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .core-business-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: stretch;
  }
}

.core-business-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  height: 100%;
  padding: clamp(1.5rem, 3vw, 1.85rem) clamp(1.35rem, 3vw, 1.75rem);
  background: linear-gradient(165deg, #ffffff 0%, #fcfaf9 100%);
  border: 1px solid rgba(232, 228, 226, 0.98);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.2s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .core-business-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(179, 38, 31, 0.14);
  }
}

.core-business-num {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--color-accent);
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.core-business-card h3 {
  margin: 0;
  position: relative;
  z-index: 1;
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-navy);
}

.core-business-card > p {
  margin: 0;
  position: relative;
  z-index: 1;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.core-business-list {
  margin: 0.15rem 0 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.core-business-list li {
  margin-bottom: 0.35rem;
}

.core-business-list li:last-child {
  margin-bottom: 0;
}

.core-business-link {
  margin-top: auto;
  padding-top: 0.5rem;
  position: relative;
  z-index: 1;
  font-weight: 600;
  font-size: 0.95rem;
  align-self: flex-start;
}

.core-business-link span[aria-hidden="true"] {
  margin-left: 0.15rem;
}

/* Cards */
.cards {
  display: grid;
  gap: 1.6rem;
}

@media (min-width: 640px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .cards.three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: linear-gradient(165deg, #ffffff 0%, #faf7f4 100%);
  border: 1px solid rgba(226, 220, 215, 0.95);
  border-radius: var(--radius-xl);
  padding: clamp(1.4rem, 3.2vw, 1.95rem) clamp(1.25rem, 3vw, 1.85rem);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease), border-color 0.2s var(--ease);
  position: relative;
  box-shadow: var(--shadow-sm);
}

@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(179, 38, 31, 0.18);
  }
}

.card-media {
  margin: -1.95rem -1.85rem 1.25rem;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-bg-warm);
}

@media (max-width: 480px) {
  .card-media {
    margin: -1.4rem -1.25rem 1.05rem;
  }
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s var(--ease-out);
}

.card:hover .card-media img {
  transform: scale(1.03);
}

.card--text .card-media {
  aspect-ratio: 16 / 9;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--color-accent-soft), #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.15rem;
  border: 1px solid rgba(179, 38, 31, 0.15);
  color: var(--color-accent);
}

.card-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.85;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 首页：内联 SVG 示意图标（需统一描边，否则易呈块状或不可见） */
.core-business-icon-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin: 0 0 0.85rem;
  border-radius: 12px;
  background: var(--color-accent-soft);
  border: 1px solid rgba(179, 38, 31, 0.12);
  color: var(--color-accent);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.core-business-icon-strip svg {
  width: 1.7rem;
  height: 1.7rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-media.card-media--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -1.95rem -1.85rem 1.25rem;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(165deg, rgba(179, 38, 31, 0.07) 0%, var(--color-bg-warm) 42%, #faf8f6 100%);
  border-bottom: 1px solid rgba(226, 220, 215, 0.55);
}

@media (max-width: 480px) {
  .card-media.card-media--icon {
    margin: -1.4rem -1.25rem 1.05rem;
  }
}

.card-media--icon svg {
  width: clamp(2.25rem, 5.5vw, 2.75rem);
  height: clamp(2.25rem, 5.5vw, 2.75rem);
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.step-media.step-media--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 0 1rem;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--color-accent-soft), #fff);
  border: 1px solid rgba(179, 38, 31, 0.15);
  color: var(--color-accent);
}

.step-media--icon svg {
  width: 1.75rem;
  height: 1.75rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.12rem, 2vw, 1.22rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--color-navy);
}

.card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.card-footer {
  margin-top: 1.15rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--color-border);
}

.card-footer a {
  font-size: 0.92rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-accent);
  padding: 0.25rem 0;
  border-radius: var(--radius-sm);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.card-footer a::after {
  content: "→";
  transition: transform 0.2s var(--ease);
}

.card-footer a[target="_blank"]::after {
  content: "↗";
}

.card-footer a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  .card-footer a:hover {
    color: var(--color-accent-hover);
  }

  .card-footer a[target="_blank"]:hover::after {
    transform: translate(2px, -2px);
  }

  .card-footer a:hover::after {
    transform: translateX(3px);
  }
}

.card-footer a:active {
  color: var(--color-accent-hover);
  transform: translateX(1px);
}

/* Process */
.process {
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-warm) 48%, #fff 100%);
  border-block: 1px solid var(--color-border);
  position: relative;
}

.process::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 100vw;
  margin-left: -50vw;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23a8a29e' fill-opacity='0.07'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
}

.process .container {
  position: relative;
  z-index: 1;
}

.steps {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    position: relative;
  }

  .steps::before {
    content: "";
    position: absolute;
    top: 32px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(179, 38, 31, 0.28), transparent);
    z-index: 0;
  }

  .step {
    position: relative;
    z-index: 1;
  }
}

.step {
  padding: 1.75rem 1.5rem;
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s var(--ease);
}

.step:hover {
  box-shadow: var(--shadow-md);
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-navy-soft) 0%, var(--color-accent) 100%);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: 0 6px 18px rgba(179, 38, 31, 0.32);
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-navy);
}

.step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* CTA：轻量托板，标题层级清晰，桌面端文案与电话横排 */
.cta-band {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border-radius: var(--radius-xl);
  margin: 0 auto;
  max-width: var(--max-w);
  padding: clamp(1.2rem, 3vw, 1.55rem) clamp(1.1rem, 3.2vw, 1.65rem);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.cta-band-inner {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: stretch;
}

.cta-band-text {
  text-align: center;
}

@media (min-width: 720px) {
  .cta-band-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: clamp(1rem, 2.8vw, 1.75rem);
  }

  .cta-band-text {
    text-align: left;
    flex: 1;
    min-width: 0;
  }

  .cta-band-action {
    flex-shrink: 0;
  }
}

.cta-band h2 {
  margin: 0 0 0.3rem;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--color-navy);
}

.cta-band p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.55;
}

@media (max-width: 719.98px) {
  .cta-band p {
    margin-left: auto;
    margin-right: auto;
  }
}

.cta-band .btn-primary {
  width: 100%;
  justify-content: center;
}

@media (min-width: 720px) {
  .cta-band .btn-primary {
    width: auto;
  }
}

/* Footer：栏目标题为弱标签，链接/电话为主信息，版权最弱 */
.site-footer {
  padding: clamp(2.25rem, 5vw, 3.25rem) 0 calc(2rem + env(safe-area-inset-bottom, 0));
  background: linear-gradient(180deg, #141110 0%, #0a0908 100%);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer a {
  color: #e7e5e4;
  transition: color 0.2s var(--ease);
}

.site-footer .footer-linklist a:hover {
  color: #fecaca;
}

/* 主栅格：品牌 | 导航 | 联系 */
.footer-main {
  display: grid;
  gap: 1.85rem;
  align-items: start;
}

@media (min-width: 880px) {
  .footer-main {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr) minmax(0, 0.95fr);
    gap: clamp(1.5rem, 3.5vw, 2.5rem);
  }
}

.footer-brand {
  min-width: 0;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #ffffff;
  text-decoration: none;
  max-width: 100%;
}

.footer-logo:hover {
  color: #fff;
}

.footer-logo .logo-img {
  display: block;
}

.footer-tagline {
  margin: 0;
  line-height: 1.65;
  max-width: 40ch;
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.72);
}

.footer-heading {
  margin: 0 0 0.6rem;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: none;
  color: rgba(255, 255, 255, 0.48);
}

.footer-linklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-linklist li {
  margin-bottom: 0.28rem;
}

.footer-linklist li:last-child {
  margin-bottom: 0;
}

.footer-linklist a {
  display: inline-block;
  padding: 0.18rem 0;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.94);
  text-decoration: none;
}

.footer-linklist a:hover {
  color: #fecaca;
}

.footer-contact-plain {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-contact-phone,
.footer-contact-web {
  display: block;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.94);
  letter-spacing: 0.02em;
}

.footer-contact-phone {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.35;
}

.footer-contact-web {
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.78);
  word-break: break-all;
}

.footer-contact-phone:hover,
.footer-contact-web:hover {
  color: #fecaca;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: clamp(2rem, 5vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom-sep {
  opacity: 0.55;
  user-select: none;
}

/* 案例页 · 首屏 Banner（双栏 + 轮播，与首页 hero-banner 组件共用样式） */
.cases-hero {
  position: relative;
  padding: clamp(3rem, 9vw, 5.75rem) 0 clamp(2.75rem, 6vw, 4.25rem);
  overflow: hidden;
  isolation: isolate;
}

.cases-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 78% 58% at 6% -8%, rgba(59, 130, 246, 0.09) 0%, transparent 54%),
    radial-gradient(ellipse 58% 48% at 96% 4%, rgba(179, 38, 31, 0.1) 0%, transparent 52%),
    radial-gradient(ellipse 70% 45% at 50% 100%, rgba(15, 23, 42, 0.04) 0%, transparent 55%),
    linear-gradient(168deg, #e6edf5 0%, #f0ebe6 40%, var(--color-bg) 100%);
}

.cases-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.48;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56' viewBox='0 0 56 56'%3E%3Ccircle cx='1' cy='1' r='0.9' fill='%2364748b' fill-opacity='0.11'/%3E%3C/svg%3E"),
    linear-gradient(118deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 56px 56px, 64px 64px, 64px 64px;
  background-position: 0 0, -1px -1px, -1px -1px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 100% 82% at 50% 38%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse 100% 82% at 50% 38%, #000 0%, transparent 74%);
}

.cases-hero-inner {
  position: relative;
  z-index: 1;
}

.cases-hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 960px) {
  .cases-hero-grid {
    grid-template-columns: 1.02fr 1fr;
    gap: clamp(2.5rem, 5.5vw, 4rem);
  }
}

.cases-hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 3.9vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.038em;
  line-height: 1.12;
  color: var(--color-navy);
  max-width: 18ch;
}

.cases-hero-lead {
  margin: 0 0 1.5rem;
  color: var(--color-text-muted);
  max-width: min(var(--prose-max), 50ch);
  font-size: clamp(1.02rem, 2.05vw, 1.14rem);
  line-height: var(--leading-relaxed);
}

.cases-hero-meta {
  list-style: none;
  margin: 0 0 1.65rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.cases-hero-meta li {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  padding: 0.35rem 0;
  border-bottom: 2px solid rgba(179, 38, 31, 0.45);
}

.cases-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

@media (max-width: 520px) {
  .cases-hero-cta .btn {
    flex: 1 1 100%;
    width: 100%;
    justify-content: center;
  }
}

.cases-hero-visual {
  min-width: 0;
}

/* Subpages */
.page-hero {
  padding: clamp(2.75rem, 7vw, 4.25rem) 0 clamp(2rem, 5vw, 3rem);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 12% 0%, rgba(179, 38, 31, 0.07) 0%, transparent 52%),
    linear-gradient(180deg, #ebe6e1 0%, var(--color-bg) 72%);
}

.page-hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.85rem, 3.6vw, 2.45rem);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--color-navy);
}

.page-hero p {
  margin: 0;
  color: var(--color-text-muted);
  max-width: min(var(--prose-max), 56ch);
  font-size: clamp(1.05rem, 2.2vw, 1.12rem);
  line-height: var(--leading-relaxed);
}

.page-hero .section-kicker {
  margin-bottom: 0.75rem;
}

/* 高端建站页 website.html · 首屏（双栏 + 配图） */
.website-hero {
  position: relative;
  padding: clamp(2.75rem, 8vw, 4.75rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
  isolation: isolate;
}

.website-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, rgba(179, 38, 31, 0.07) 0%, transparent 55%),
    radial-gradient(ellipse 50% 45% at 100% 0%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    linear-gradient(175deg, #eef1f5 0%, #f2eeea 42%, var(--color-bg) 100%);
}

.website-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.38;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56' viewBox='0 0 56 56'%3E%3Ccircle cx='1' cy='1' r='0.9' fill='%2364748b' fill-opacity='0.1'/%3E%3C/svg%3E"),
    linear-gradient(118deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(148, 163, 184, 0.045) 1px, transparent 1px);
  background-size: 56px 56px, 64px 64px, 64px 64px;
  background-position: 0 0, -1px -1px, -1px -1px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 95% 85% at 45% 15%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 95% 85% at 45% 15%, #000 0%, transparent 75%);
}

.website-hero-shell {
  position: relative;
  z-index: 1;
}

.website-hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
}

@media (min-width: 960px) {
  .website-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2.25rem, 4vw, 3.5rem);
    align-items: start;
  }
}

.website-hero-copy {
  min-width: 0;
}

.website-hero-copy .section-kicker {
  margin-bottom: 0.85rem;
}

.website-hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.05rem, 4.5vw, 3.05rem);
  font-weight: 800;
  letter-spacing: -0.038em;
  line-height: 1.08;
  color: var(--color-navy);
  max-width: min(16ch, 100%);
  text-wrap: balance;
}

.website-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  margin: 0 0 1.35rem;
  padding: 0;
  list-style: none;
}

.website-hero-tags li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(179, 38, 31, 0.14);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.website-hero-tag-ico {
  display: flex;
  flex-shrink: 0;
  opacity: 0.92;
}

.website-hero-tag-ico svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 高端建站页：判断标准卡片 — 小图标 + 标题同行，克制点缀 */
.website-trait-head {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.6rem;
}

.website-trait-head h3 {
  margin: 0;
  flex: 1;
  min-width: 0;
}

.website-trait-icon {
  flex-shrink: 0;
  width: 2.1rem;
  height: 2.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
  border-radius: 11px;
  background: rgba(179, 38, 31, 0.08);
  border: 1px solid rgba(179, 38, 31, 0.12);
  color: var(--color-accent);
}

.website-trait-icon svg {
  width: 1.15rem;
  height: 1.15rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.85;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.website-hero-lead {
  margin: 0 0 1.65rem;
}

.website-hero-lead p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(1.04rem, 1.75vw, 1.12rem);
  line-height: 1.78;
  max-width: var(--prose-max);
}

.website-hero-lead strong {
  color: var(--color-navy);
  font-weight: 700;
}

.website-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.website-hero-visual {
  min-width: 0;
}

.website-hero-figure {
  margin: 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(226, 220, 215, 0.95);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(255, 255, 255, 0.5) inset;
  background: var(--color-bg-warm);
  aspect-ratio: 4 / 3;
}

.website-hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.website-hero-caption {
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  letter-spacing: 0.02em;
}

@media (max-width: 520px) {
  .website-hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

/* 高端建站页 website.html：层次感 + 克制分隔线，整洁交替 */
.page-website {
  --website-divider: rgba(201, 193, 184, 0.46);
  --website-divider-accent: rgba(179, 38, 31, 0.15);
  --website-rule-width: min(calc(100% - 2 * var(--container-pad)), var(--max-w));
  --website-section-rule: linear-gradient(
    90deg,
    transparent 0%,
    var(--website-divider) 14%,
    var(--website-divider-accent) 50%,
    var(--website-divider) 86%,
    transparent 100%
  );
}

.page-website > section {
  position: relative;
  isolation: isolate;
}

.page-website > section:not(.website-hero) {
  padding-block: clamp(3.35rem, 8.5vw, 5.85rem);
}

.page-website > section:not(.website-hero)::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-website > section:not(.website-hero) .container {
  position: relative;
  z-index: 1;
}

.page-website .website-hero {
  z-index: 2;
  padding-bottom: clamp(2.75rem, 6.5vw, 4.25rem);
  box-shadow: 0 20px 52px -40px rgba(14, 13, 12, 0.1);
}

.page-website .website-hero + section::before {
  background: none;
}

.page-website .core-business,
.page-website .process {
  border-block: none;
}

.page-website .process::before {
  inset: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin-left: 0;
  opacity: 1;
}

/* 抬升层：浅底 + 外投影 + 顶部分隔线 */
.page-website .core-business {
  z-index: 1;
  padding-block: var(--section-y);
  background: var(--color-surface);
  box-shadow:
    0 -24px 48px -40px rgba(14, 13, 12, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.68);
}

.page-website .core-business::before {
  background:
    var(--website-section-rule) center top / var(--website-rule-width) 1px no-repeat,
    radial-gradient(ellipse 76% 50% at 50% 0%, rgba(179, 38, 31, 0.09) 0%, transparent 58%),
    radial-gradient(ellipse 36% 30% at 94% 92%, rgba(184, 149, 106, 0.07) 0%, transparent 72%);
}

.page-website .website-hero + .core-business::before {
  background:
    radial-gradient(ellipse 76% 50% at 50% 0%, rgba(179, 38, 31, 0.09) 0%, transparent 58%),
    radial-gradient(ellipse 36% 30% at 94% 92%, rgba(184, 149, 106, 0.07) 0%, transparent 72%);
}

/* 内凹层：略深底 + 内阴影 + 分隔线 + 淡点阵 */
.page-website #planning {
  z-index: 0;
  background: linear-gradient(
    180deg,
    #ece8e2 0%,
    var(--color-bg-elevated) 18%,
    var(--color-bg-elevated) 100%
  );
  box-shadow: inset 0 28px 52px -38px rgba(14, 13, 12, 0.06);
}

.page-website #planning::before {
  background:
    var(--website-section-rule) center top / var(--website-rule-width) 1px no-repeat,
    radial-gradient(ellipse 50% 40% at 6% 18%, rgba(59, 130, 246, 0.05) 0%, transparent 68%),
    radial-gradient(ellipse 34% 28% at 96% 82%, rgba(179, 38, 31, 0.04) 0%, transparent 70%);
}

.page-website #planning::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Ccircle cx='2' cy='2' r='1' fill='%2364748b' fill-opacity='0.14'/%3E%3C/svg%3E");
  mask-image: linear-gradient(180deg, transparent 6%, black 30%, black 72%, transparent 94%);
  -webkit-mask-image: linear-gradient(180deg, transparent 6%, black 30%, black 72%, transparent 94%);
}

.page-website #traits.process {
  z-index: 1;
  background: linear-gradient(
    180deg,
    #f0ebe4 0%,
    var(--color-bg-warm) 36%,
    #f2ece5 100%
  );
  box-shadow:
    0 28px 56px -44px rgba(14, 13, 12, 0.09),
    0 -20px 44px -38px rgba(14, 13, 12, 0.04);
}

.page-website #traits.process::before {
  background:
    var(--website-section-rule) center top / var(--website-rule-width) 1px no-repeat,
    radial-gradient(ellipse 52% 42% at 90% 10%, rgba(179, 38, 31, 0.08) 0%, transparent 66%),
    radial-gradient(ellipse 38% 32% at 4% 90%, rgba(184, 149, 106, 0.06) 0%, transparent 72%);
}

.page-website #phases {
  z-index: 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    #e8e2d9 42%,
    var(--color-bg) 100%
  );
  box-shadow: inset 0 32px 56px -40px rgba(14, 13, 12, 0.065);
}

.page-website #phases::before {
  background:
    var(--website-section-rule) center top / var(--website-rule-width) 1px no-repeat,
    radial-gradient(ellipse 48% 38% at 10% 76%, rgba(184, 149, 106, 0.1) 0%, transparent 68%),
    radial-gradient(ellipse 40% 34% at 88% 24%, rgba(179, 38, 31, 0.04) 0%, transparent 70%);
}

.page-website #phases::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Ccircle cx='2' cy='2' r='1' fill='%2364748b' fill-opacity='0.14'/%3E%3C/svg%3E");
  mask-image: linear-gradient(180deg, transparent 8%, black 32%, black 70%, transparent 92%);
  -webkit-mask-image: linear-gradient(180deg, transparent 8%, black 32%, black 70%, transparent 92%);
}

.page-website #mall.process {
  z-index: 1;
  background: linear-gradient(
    180deg,
    var(--color-bg-elevated) 0%,
    #faf8f5 50%,
    var(--color-surface) 100%
  );
  box-shadow: 0 24px 52px -42px rgba(14, 13, 12, 0.08);
}

.page-website #mall.process::before {
  background:
    var(--website-section-rule) center top / var(--website-rule-width) 1px no-repeat,
    radial-gradient(ellipse 46% 38% at 74% 8%, rgba(59, 130, 246, 0.05) 0%, transparent 70%),
    radial-gradient(ellipse 34% 28% at 8% 88%, rgba(179, 38, 31, 0.04) 0%, transparent 72%);
}

.page-website #seo {
  z-index: 0;
  padding-bottom: clamp(3.75rem, 8vw, 6rem);
  background: linear-gradient(
    180deg,
    var(--color-surface) 0%,
    #ece7df 60%,
    #e4ddd4 100%
  );
  box-shadow: inset 0 24px 48px -34px rgba(14, 13, 12, 0.055);
}

.page-website #seo::before {
  background:
    var(--website-section-rule) center top / var(--website-rule-width) 1px no-repeat,
    radial-gradient(ellipse 60% 44% at 50% 100%, rgba(179, 38, 31, 0.06) 0%, transparent 64%);
}

.page-website #seo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Ccircle cx='2' cy='2' r='1' fill='%2364748b' fill-opacity='0.14'/%3E%3C/svg%3E");
  mask-image: linear-gradient(180deg, transparent 10%, black 36%, black 84%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 10%, black 36%, black 84%, transparent 100%);
}

main.page-website + .site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(44px, 6.5vw, 80px);
  transform: translateY(-100%);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(228, 221, 212, 0) 0%, rgba(20, 17, 16, 0.1) 100%);
}

main.page-website + .site-footer {
  position: relative;
}

.page-website .section-head {
  margin-bottom: clamp(2.35rem, 5vw, 3.35rem);
}

.cards.mall-extra-cards {
  margin-top: 1.35rem;
}

@media (min-width: 720px) {
  .cards.mall-extra-cards {
    max-width: 54rem;
    margin-left: auto;
    margin-right: auto;
  }
}

/* 案例展示页：筛选标签 */
.case-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  align-items: center;
}

.case-filter-btn {
  padding: 0.5rem 1.05rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease);
  min-height: 44px;
}

.case-filter-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
  .case-filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(179, 38, 31, 0.04);
  }

  .case-filter-btn.is-active:hover {
    border-color: var(--color-accent-hover);
    color: var(--color-accent-hover);
    background: rgba(179, 38, 31, 0.12);
  }
}

.case-filter-btn:active {
  transform: scale(0.97);
}

.case-filter-btn.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.case-item.is-hidden {
  display: none;
}

.case-card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.4rem;
}

.cases-showcase {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

/* 业务卡片：要点列表（颗粒度） */
.card-bullets {
  margin: 0.85rem 0 0;
  padding: 0 0 0 1.15rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.card-bullets li {
  margin-bottom: 0.35rem;
}

.card-bullets li:last-child {
  margin-bottom: 0;
}

/* 流程：子任务颗粒度 */
.step-tasks {
  margin: 0.85rem 0 0;
  padding: 0.75rem 0 0 1rem;
  border-top: 1px dashed rgba(232, 228, 226, 0.95);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.step-tasks li {
  margin-bottom: 0.35rem;
}

.step-tasks li:last-child {
  margin-bottom: 0;
}

/* 常见问题 */
.faq-section {
  background: linear-gradient(180deg, var(--color-bg) 0%, #faf6f2 100%);
  border-block: 1px solid rgba(226, 220, 215, 0.55);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 0.65rem;
}

.faq-item details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background 0.2s var(--ease);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
}

.faq-item details[open] summary {
  background: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border);
}

.faq-item details[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 0.25rem;
}

.faq-answer {
  padding: 1rem 1.25rem 1.25rem;
}

.faq-answer p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.cases-cta-wrap {
  margin-top: 2.5rem;
  text-align: center;
}

@media (max-width: 1180px) {
  .nav-desktop a {
    padding: 0.4rem 0.55rem;
    font-size: 0.82rem;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 案例详情页 */
.case-detail-breadcrumb {
  padding: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
  line-height: 1.5;
}

.case-detail-breadcrumb a {
  color: var(--color-text-muted);
}

.case-detail-breadcrumb a:hover {
  color: var(--color-accent);
}

.case-detail-breadcrumb span[aria-current="page"] {
  color: var(--color-navy);
  font-weight: 600;
}

.case-detail-section {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.case-detail-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

/* [hidden] 与 display:grid 并存时，作者样式会盖过 UA；与 .case-detail-panel[hidden] 双保险 */
.case-detail-panel[hidden],
.case-detail-layout[hidden] {
  display: none !important;
}

@media (min-width: 900px) {
  .case-detail-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.5rem;
  }
}

.case-detail-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  background: var(--color-bg-elevated);
}

.case-detail-media img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.case-detail-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.65rem;
}

.case-detail-quote {
  margin: 0 0 1.15rem;
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--color-accent);
  background: rgba(179, 38, 31, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.55;
}

.case-detail-prose {
  font-size: 1.02rem;
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  max-width: var(--prose-max);
}

.case-detail-prose p + p {
  margin-top: 1rem;
}

.case-detail-source {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.case-detail-actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

@media (max-width: 520px) {
  .case-detail-actions .btn {
    flex: 1 1 100%;
    width: 100%;
    justify-content: center;
  }
}

.case-card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
}

.case-card-actions a {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  border: 1px solid transparent;
  transition:
    background 0.2s var(--ease),
    color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    transform 0.2s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .case-card-actions a:hover {
    background: var(--color-accent-soft);
    border-color: rgba(179, 38, 31, 0.18);
    color: var(--color-accent-hover);
  }
}

.case-card-actions a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.case-card-actions a:active {
  transform: scale(0.97);
  background: rgba(179, 38, 31, 0.14);
}

.case-card-actions .card-footer-sep {
  color: var(--color-border-strong);
  user-select: none;
}

/* ========== 公司简介 about.html · Banner（宽幅条带 · 无卡片 · 比例随屏宽） ========== */
.about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  background: #080808;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* 宽幅电影感：高度由宽度推导，上限封顶，避免「竖条过高」 */
  aspect-ratio: 21 / 8;
  max-height: min(44vh, 400px);
  min-height: 220px;
}

@media (max-width: 720px) {
  .about-hero {
    aspect-ratio: unset;
    max-height: none;
    min-height: min(88vw, 20rem);
  }
}

.about-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.about-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
  opacity: 0.42;
}

.about-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

.about-hero__inner {
  position: relative;
  z-index: 2;
  box-sizing: border-box;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  /* 不设 width:100%，避免盖住 .container 定宽 */
  min-height: 0;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0;
}

.about-hero__content {
  max-width: 38rem;
}

.about-hero__label {
  margin: 0 0 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.about-hero__content h1 {
  margin: 0;
  font-size: clamp(2.15rem, 4.8vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.04;
  color: #fff;
  text-wrap: balance;
}

.about-hero__lead {
  margin: 0.85rem 0 0;
  font-size: clamp(0.95rem, 1.45vw, 1.06rem);
  line-height: 1.62;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  max-width: 36ch;
  text-wrap: pretty;
}

.about-hero__lead .about-hero__sep {
  opacity: 0.45;
}

/* 正文区：统一留白与层次 */
main.about-page {
  background: var(--color-bg);
}

.about-page .about-section-prose {
  padding: clamp(3.25rem, 8vw, 5.25rem) 0;
}

.about-section-prose.alt-bg {
  background: linear-gradient(180deg, #f9f6f3 0%, var(--color-bg) 100%);
  border-block: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.about-section-prose--narrow .container {
  max-width: min(40rem, 100%);
}

.about-section-prose--philosophy {
  padding-bottom: clamp(3.5rem, 9vw, 6rem);
}

/* 图文卡片：单面板收纳，减少视觉碎裂 */
.about-panel {
  background: var(--color-bg-elevated);
  border: 1px solid rgba(232, 228, 226, 0.95);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.65rem, 4vw, 2.35rem);
}

.about-panel--split {
  padding: clamp(1.5rem, 3.5vw, 2.15rem);
}

@media (min-width: 900px) {
  .about-panel--split {
    padding: clamp(2rem, 4vw, 2.65rem);
  }
}

.about-split-prose {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  align-items: center;
}

@media (min-width: 900px) {
  .about-split-prose--img-left {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.08fr);
  }
}

.about-panel-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-warm);
  box-shadow: 0 0 0 1px rgba(226, 220, 215, 0.65);
}

.about-panel-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-panel-copy {
  min-width: 0;
}

.about-prose-head {
  margin-bottom: 1.35rem;
}

.about-prose-head h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.7rem, 2.8vw, 2.05rem);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--color-navy);
}

.about-prose-head--center {
  text-align: center;
  margin-bottom: 1.65rem;
  max-width: min(36rem, 100%);
  margin-left: auto;
  margin-right: auto;
}

.about-prose-head--center .about-subhead {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.03em;
}

.about-subhead {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent);
}

.about-prose-max {
  max-width: var(--prose-max);
}

.about-prose-max--center {
  margin-left: auto;
  margin-right: auto;
}

.about-prose-max p {
  margin: 0 0 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.78;
  font-size: 1.03rem;
}

.about-prose-max p:last-child {
  margin-bottom: 0;
}

.about-philosophy-wide {
  margin: clamp(2.25rem, 5vw, 3.25rem) auto 0;
  max-width: min(56rem, 100%);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 220, 215, 0.85);
}

.about-philosophy-wide img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1200 / 514;
  object-fit: cover;
}

.about-mission-card {
  margin: clamp(2rem, 4.5vw, 2.75rem) auto 0;
  max-width: min(40rem, 100%);
  padding: clamp(1.45rem, 3vw, 1.85rem) clamp(1.35rem, 3vw, 1.75rem);
  background: linear-gradient(165deg, #fffcfa 0%, #faf7f4 100%);
  border: 1px solid rgba(226, 220, 215, 0.9);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.about-mission-card p {
  margin: 0;
  font-size: 1.04rem;
  line-height: 1.78;
  color: var(--color-text);
  font-weight: 500;
}

.about-bento-section {
  padding: clamp(3.5rem, 9vw, 6rem) 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-top: 1px solid rgba(226, 220, 215, 0.45);
}

.about-bento-head {
  text-align: center;
  max-width: min(36rem, 100%);
  margin: 0 auto clamp(2.25rem, 5vw, 3.25rem);
}

.about-bento-head .section-kicker {
  margin-bottom: 0.85rem;
}

.about-bento-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.7rem, 2.8vw, 2.05rem);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--color-navy);
}

.about-bento-head h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin: 1rem auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(179, 38, 31, 0.35) 100%);
}

.about-bento-head p {
  margin: 1.15rem 0 0;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  font-size: 1.02rem;
}

.about-bento-grid {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .about-bento-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.about-bento-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-bg-elevated);
  border: 1px solid rgba(226, 220, 215, 0.95);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.2s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .about-bento-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(179, 38, 31, 0.14);
  }
}

.about-bento-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.about-bento-body {
  padding: 1.35rem 1.4rem 1.55rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.about-bento-body h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-navy);
}

.about-bento-body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.68;
  color: var(--color-text-muted);
}

.about-bento-note {
  margin: 2rem 0 0;
  text-align: center;
  font-size: 0.86rem;
  color: var(--color-text-muted);
  opacity: 0.92;
}

/* ═══════════════════════════════════════════════════════════
   UI v3 Prestige — 高端品牌视觉层
   ═══════════════════════════════════════════════════════════ */

/* Header：全站统一浅色玻璃导航 */
.site-header {
  transition:
    background 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out);
  background: rgba(252, 249, 245, 0.92);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(20, 18, 16, 0.08);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset, 0 4px 24px -16px rgba(22, 18, 16, 0.08);
}

.site-header.header--transparent,
.site-header.header--scrolled {
  background: rgba(252, 249, 245, 0.92);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: rgba(20, 18, 16, 0.08);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset, 0 4px 24px -16px rgba(22, 18, 16, 0.08);
}

/* 电影感 Hero */
.hero--cinematic {
  position: relative;
  min-height: max(640px, calc(100svh - var(--header-h)));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3.5rem, 9vw, 6.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
  isolation: isolate;
  color: #fff;
}

.hero--cinematic::before,
.hero--cinematic::after {
  display: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-canvas-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(108deg, rgba(8, 7, 6, 0.94) 0%, rgba(8, 7, 6, 0.78) 42%, rgba(8, 7, 6, 0.42) 72%, rgba(8, 7, 6, 0.55) 100%),
    linear-gradient(0deg, rgba(8, 7, 6, 0.85) 0%, transparent 35%);
}

.hero-canvas-grain {
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: 0.35;
  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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  pointer-events: none;
}

.hero-banner-carousel--bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  border: none;
  border-radius: 0;
  aspect-ratio: unset;
  box-shadow: none;
  background: var(--color-dark-hero);
}

.hero-banner-carousel--bg::before,
.hero-banner-carousel--bg::after {
  display: none;
}

.hero-banner-carousel--bg .hero-banner-track,
.hero-banner-carousel--bg .hero-banner-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-banner-carousel--bg .hero-banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.02);
  transition: transform 8s var(--ease-out);
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.hero-banner-carousel--bg .hero-banner-slide.is-active img {
  transform: scale(1);
}

.hero-banner-carousel--bg .hero-banner-arrow,
.hero-banner-carousel--bg .hero-banner-dots {
  display: none;
}

.hero-inner {
  position: relative;
  z-index: 5;
  width: min(calc(100% - 2 * var(--container-pad)), var(--max-w));
  margin-inline: auto;
}

.hero--cinematic .hero-main {
  max-width: 52rem;
}

.hero--cinematic .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.35rem;
  padding: 0.45rem 1rem 0.45rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-bright);
  background: rgba(184, 149, 106, 0.12);
  border: 1px solid rgba(184, 149, 106, 0.32);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
}

.hero--cinematic .hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(179, 38, 31, 0.8);
  flex-shrink: 0;
}

.hero--cinematic h1 {
  margin: 0 0 1.35rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, calc(0.5rem + 5.2vw), 4.1rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.35);
}

.hero--cinematic .hero-lead {
  margin: 0 0 2rem;
  max-width: 38rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.76);
}

.hero--cinematic .hero-lead strong {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
}

.hero--cinematic .hero-cta {
  margin-bottom: 2.5rem;
  gap: 0.75rem 1rem;
}

.hero--cinematic .btn-primary {
  padding: 0.85rem 2rem;
  font-size: 1rem;
  letter-spacing: 0.03em;
  box-shadow: 0 8px 32px -8px rgba(179, 38, 31, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

@media (hover: hover) and (pointer: fine) {
  .hero--cinematic .btn-primary:hover {
    box-shadow: 0 14px 40px -8px rgba(179, 38, 31, 0.72), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  }
}

.hero--cinematic .btn-primary:focus-visible {
  outline-color: rgba(255, 255, 255, 0.95);
  box-shadow:
    0 8px 32px -8px rgba(179, 38, 31, 0.65),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 0 0 3px rgba(255, 255, 255, 0.28);
}

.hero--cinematic a.btn-ghost,
.hero--cinematic a.btn-ghost:visited {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
  .hero--cinematic a.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.11);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.38);
    box-shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.35);
    transform: translateY(-1px);
  }
}

.hero--cinematic a.btn-ghost:active {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  transform: translateY(0) scale(0.98);
}

.hero--cinematic a.btn-ghost:focus-visible {
  outline-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.38);
}

.hero--cinematic .hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.hero--cinematic .hero-stats::before {
  display: none;
}

.hero--cinematic .hero-stats li {
  min-width: 0;
  margin: 0;
}

@media (min-width: 640px) {
  .hero--cinematic .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .hero--cinematic .hero-stats {
    gap: 1.25rem;
  }
}

.hero--cinematic .stat,
.hero--cinematic .stat--focus,
.hero--cinematic a.stat--link {
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: 1.1rem 1.15rem;
  text-align: left;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition:
    background 0.35s var(--ease),
    border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.hero--cinematic .stat--focus .stat-value,
.hero--cinematic .stat-value {
  display: block;
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.hero--cinematic .stat--focus .stat-label,
.hero--cinematic .stat-label {
  display: block;
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.62);
  font-weight: 400;
}

@media (hover: hover) and (pointer: fine) {
  .hero--cinematic a.stat--link:hover {
    background: rgba(255, 255, 255, 0.11);
    border-color: rgba(255, 255, 255, 0.38);
    box-shadow: 0 8px 28px -12px rgba(0, 0, 0, 0.4);
    transform: none;
  }
}

.hero--cinematic a.stat--link.is-active {
  border-color: rgba(212, 184, 150, 0.58);
  background: rgba(255, 255, 255, 0.12);
  box-shadow:
    0 8px 28px -12px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

@media (hover: hover) and (pointer: fine) {
  .hero--cinematic a.stat--link.is-active:hover {
    border-color: rgba(212, 184, 150, 0.72);
    background: rgba(255, 255, 255, 0.14);
  }
}

.hero--cinematic a.stat--link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 3px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: clamp(1.25rem, 3vw, 2rem);
  left: 50%;
  z-index: 6;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.hero-scroll-hint svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  animation: hero-scroll-bob 2.2s ease-in-out infinite;
}

@keyframes hero-scroll-bob {
  0%, 100% { transform: translateY(0); opacity: 0.45; }
  50% { transform: translateY(6px); opacity: 0.85; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-scroll-hint svg {
    animation: none;
  }
}

/* 品牌滚动条 */
.brand-ribbon {
  position: relative;
  z-index: 10;
  padding: 1.1rem 0;
  background: var(--color-navy);
  border-block: 1px solid rgba(184, 149, 106, 0.2);
  overflow: hidden;
}

.brand-ribbon-track {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  padding-inline: 2.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
  animation: brand-marquee 40s linear infinite;
}

.brand-ribbon-track span:nth-child(odd) {
  color: var(--color-gold);
}

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

@media (prefers-reduced-motion: reduce) {
  .brand-ribbon-track {
    animation: none;
    flex-wrap: wrap;
    width: auto;
    justify-content: center;
    gap: 1rem 2rem;
  }
}

/* 核心业务卡片 — 简洁浮层 */
.core-business {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.core-business-card {
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-sm);
}

@media (hover: hover) and (pointer: fine) {
  .core-business-card:hover {
    border-color: rgba(179, 38, 31, 0.18);
    box-shadow: var(--shadow-md);
  }
}

/* 服务卡片 */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-3px);
    border-color: rgba(179, 38, 31, 0.15);
    box-shadow: var(--shadow-md);
  }
}

.card h3 {
  font-family: var(--font-display);
  font-weight: 700;
}

/* 图片画廊 — 浅色整洁 */
.photo-mosaic {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  padding-block: var(--section-y);
}

.photo-mosaic .section-head--center h2,
.photo-mosaic .section-head--center p {
  color: var(--color-navy);
}

.photo-mosaic .section-head--center p {
  color: var(--color-text-muted);
}

.photo-mosaic-grid {
  gap: 1rem;
}

.photo-mosaic-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.photo-mosaic-note {
  color: var(--color-text-muted);
}

/* CTA 带 */
.cta-band {
  background: var(--color-navy);
  border: none;
  box-shadow: none;
}

.cta-band h2 {
  font-family: var(--font-display);
  color: #fff;
  font-weight: 700;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.72);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-heading {
  color: rgba(255, 255, 255, 0.55);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.6875rem;
}

/* 内页与首页导航一致，无需额外覆盖 */
.page-inner .site-header {
  background: rgba(252, 249, 245, 0.92);
}

/* 区块标题 */
.section-kicker {
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: 0.6875rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.125rem);
  letter-spacing: -0.02em;
}

.section-head h2::after {
  background: var(--color-accent);
  height: 3px;
  width: 2.5rem;
}

.section-head p {
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.65;
  max-width: var(--prose-max);
}

/* 电影感 Hero 微调 */
.hero-canvas-grain {
  opacity: 0.12;
}

.hero--cinematic h1 {
  font-size: clamp(1.875rem, 4.8vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
}

.hero--cinematic .hero-lead {
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.hero-banner-carousel--bg .hero-banner-slide {
  transition: opacity 0.7s var(--ease-out), visibility 0.7s;
}

@media (max-width: 640px) {
  .hero--cinematic {
    min-height: auto;
    padding: clamp(2.5rem, 8vw, 4rem) 0 clamp(2rem, 6vw, 3rem);
  }

  .hero--cinematic .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-scroll-hint {
    display: none;
  }
}

@media (min-width: 900px) {
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.page-home .hero-canvas-overlay {
  background:
    linear-gradient(108deg, rgba(8, 7, 6, 0.94) 0%, rgba(8, 7, 6, 0.78) 42%, rgba(8, 7, 6, 0.42) 72%, rgba(8, 7, 6, 0.55) 100%),
    linear-gradient(0deg, rgba(8, 7, 6, 0.85) 0%, transparent 35%),
    linear-gradient(0deg, var(--color-navy) 0%, transparent 22%);
}

/* 首页区块过渡 — 统一分隔线，避免双边框叠线与生硬跳色 */
.page-home {
  --home-divider: rgba(201, 193, 184, 0.62);
}

.page-home .photo-mosaic,
.page-home .core-business,
.page-home #services,
.page-home .process,
.page-home .faq-section {
  border-block: none;
}

.page-home #services::before {
  display: none;
}

.page-home .brand-ribbon {
  border-block: none;
  border-bottom: 1px solid rgba(184, 149, 106, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-home .brand-ribbon + .photo-mosaic {
  position: relative;
  background: var(--color-surface);
}

.page-home .brand-ribbon + .photo-mosaic::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(36px, 5.5vw, 64px);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(14, 13, 12, 0.055) 0%, transparent 100%);
}

.page-home main > section:not(.hero--cinematic) {
  position: relative;
}

.page-home main > section:not(.hero--cinematic):not(.photo-mosaic):not(#contact):not(.process)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 2 * var(--container-pad)), var(--max-w));
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--home-divider) 16%,
    var(--home-divider) 84%,
    transparent 100%
  );
  pointer-events: none;
}

.page-home .core-business {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.page-home #services {
  background: var(--color-bg);
}

.page-home .process {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 52%, var(--color-bg) 100%);
  border-top: 1px solid rgba(201, 193, 184, 0.38);
  border-bottom: none;
}

.page-home #cases {
  background: var(--color-surface);
}

.page-home .faq-section {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.page-home #contact {
  background: var(--color-bg);
  padding-top: clamp(2.25rem, 5vw, 3.25rem);
}

.page-home #contact::before {
  display: none;
}

/* 滚动入场 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}