:root {
  --bg-0: #000;
  --bg-1: #050505;
  --bg-2: #0a0a0a;
  --section-align-pad: clamp(18px, 3vw, 30px);
  --panel: rgba(12, 12, 12, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.03);
  --text-0: #f6f6f6;
  --text-1: #cccccc;
  --text-2: #9f9f9f;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.25);
  --radius-l: 22px;
  --radius-m: 14px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.56);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body.zhanshi-showcase-theme {
  margin: 0;
  color: var(--text-0);
  font-family: "Noto Sans SC", sans-serif;
  background:
    radial-gradient(900px 500px at 8% -10%, rgba(255, 255, 255, 0.06), transparent 62%),
    radial-gradient(800px 480px at 92% 0%, rgba(255, 255, 255, 0.05), transparent 64%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 45%, var(--bg-2));
  background-attachment: fixed;
  position: relative;
}

body.zhanshi-showcase-theme::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.24;
  background: radial-gradient(260px 260px at var(--pointer-x, 50%) var(--pointer-y, 38%), rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
}

body.showcase-preview-only {
  background: #000;
  overflow: hidden;
}

body.showcase-preview-only::before {
  display: none;
}

body.showcase-preview-only .showcase-container {
  width: 100%;
}

body.showcase-preview-only .preview-only-main {
  min-height: 100vh;
  height: 100vh;
  overflow: hidden;
}

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

.showcase-site-wrap {
  position: relative;
  z-index: 1;
}

.showcase-container {
  width: min(1240px, 92vw);
  margin: 0 auto;
}

.showcase-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  width: min(1260px, 94vw);
  margin: 14px auto 0;
  min-height: 66px;
  padding: 11px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(12, 12, 12, 0.92), rgba(5, 5, 5, 0.92));
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 14px;
}

.showcase-logo {
  font-family: "Sora", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.showcase-nav {
  margin-left: auto;
}

.showcase-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.showcase-menu li a {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-1);
  font-family: "Sora", sans-serif;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.showcase-menu li a:hover,
.showcase-menu li.current-menu-item a {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-0);
}

.showcase-header-cta,
.btn-primary,
.btn-ghost {
  cursor: pointer;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: "Sora", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.showcase-header-cta,
.btn-primary {
  background: #fff;
  color: #090909;
  font-weight: 700;
}

.showcase-header-cta:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  background: #e8e8e8;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--line);
  color: var(--text-0);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--line-strong);
}

.showcase-main {
  overflow: clip;
}

.showcase-hero {
  position: relative;
  padding: 112px 0 40px;
}

.showcase-hero .showcase-container,
.showcase-carousel .showcase-container,
.showcase-products .showcase-container,
.showcase-testimonials .showcase-container {
  padding-inline: var(--section-align-pad);
}

.hero-noise,
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-noise {
  opacity: 0.12;
  background-image: radial-gradient(rgba(255, 255, 255, 0.18) 0.5px, transparent 0.5px);
  background-size: 2px 2px;
  mask-image: radial-gradient(circle at center, black 46%, transparent 84%);
}

.hero-grid {
  opacity: 0.16;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(transparent, black 16%, black 78%, transparent);
}

.showcase-hero-content {
  position: relative;
  z-index: 1;
}

.showcase-hero-content-plain {
  max-width: none;
}

.showcase-hero-badge {
  margin: 0;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-1);
  font-family: "Sora", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.showcase-hero-title {
  margin: 18px 0 0;
  font-size: clamp(2.8rem, 7.2vw, 6.6rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0.01em;
  text-wrap: normal;
}

.showcase-hero-subtitle {
  margin: 18px 0 0;
  color: var(--text-1);
  font-size: 1.03rem;
  line-height: 1.9;
  max-width: 980px;
}

.showcase-hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.showcase-products-head {
  display: grid;
  gap: 8px;
  text-align: left;
}

.showcase-products-head h2,
.showcase-process-intro h2,
.showcase-testimonials h2,
.showcase-single-content h1 {
  margin: 0;
  font-size: clamp(1.55rem, 3.5vw, 2.5rem);
  line-height: 1.24;
  font-weight: 800;
}

.showcase-products-head p,
.showcase-process-intro p,
.showcase-testimonials p {
  margin: 0;
  color: var(--text-1);
  line-height: 1.8;
  max-width: 860px;
}

.showcase-carousel {
  padding: 6px 0 56px;
}

.carousel-shell {
  margin-top: 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.carousel-nav {
  cursor: pointer;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-0);
  font-size: 1rem;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.carousel-nav:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.1);
}

.carousel-viewport {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: 12px;
  will-change: transform;
  transition: transform 0.42s ease;
}

.carousel-card,
.showcase-product-card {
  flex: 0 0 auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  will-change: transform;
}

.carousel-card a,
.showcase-product-card a {
  display: grid;
  height: 100%;
}

.card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.05));
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.carousel-card:hover .card-media img,
.showcase-product-card:hover .card-media img {
  transform: scale(1.06);
}

.card-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.card-placeholder span {
  font-family: "Sora", sans-serif;
  font-size: 2.6rem;
  color: rgba(0, 0, 0, 0.7);
}

.card-content {
  padding: 14px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-1);
  font-family: "Sora", sans-serif;
  font-size: 0.67rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-content h3 {
  margin: 10px 0 8px;
  font-size: 1rem;
  line-height: 1.44;
}

.card-content p {
  margin: 0;
  color: var(--text-1);
  font-size: 0.82rem;
  line-height: 1.7;
}

.carousel-dots {
  margin-top: 14px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.carousel-dot.is-active {
  transform: scale(1.2);
  background: #fff;
}

.showcase-products {
  padding: 0 0 54px;
}

.showcase-chip-row {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.showcase-chip {
  cursor: pointer;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-1);
  font-family: "Sora", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.showcase-chip:hover,
.showcase-chip.active {
  transform: translateY(-1px);
  border-color: #fff;
  background: #fff;
  color: #0a0a0a;
}

.showcase-product-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.carousel-more {
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

.showcase-process-intro {
  padding: 0 0 54px;
}

.showcase-process-intro .showcase-container {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: var(--section-align-pad);
}

.process-flow {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.process-item-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel-soft);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.process-item-head {
  display: grid;
  gap: 4px;
}

.process-item-head h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--text-0);
}

.process-steps-grid {
  --step-count: 1;
  display: grid;
  grid-template-columns: repeat(var(--step-count), minmax(0, 1fr));
  gap: 10px;
}

.process-step-box {
  position: relative;
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 14px;
  display: grid;
  gap: 7px;
  align-content: start;
}

.process-step-box:not(:last-child)::after {
  content: ">";
  position: absolute;
  top: 50%;
  right: -10px;
  transform: translateY(-50%);
  color: var(--text-2);
  font-family: "Sora", sans-serif;
  font-size: 0.95rem;
  z-index: 1;
}

.process-step-label {
  font-family: "Sora", sans-serif;
  font-size: 0.72rem;
  color: var(--text-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.process-step-order {
  font-family: "Sora", sans-serif;
  font-size: 0.66rem;
  color: var(--text-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.process-step-box p {
  margin: 0;
  color: var(--text-1);
  font-size: 0.84rem;
  line-height: 1.68;
}

.showcase-testimonials {
  padding: 0 0 86px;
}

.testimonial-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.testimonial-image-btn {
  cursor: pointer;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0;
}

.testimonial-image-btn:disabled {
  cursor: default;
}

.testimonial-media {
  aspect-ratio: 4 / 3;
  background: rgba(255, 255, 255, 0.04);
}

.testimonial-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.testimonial-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--text-2);
  font-size: 0.9rem;
}

.testimonial-content {
  padding: 14px;
}

.testimonial-content h3 {
  margin: 0;
  font-size: 1rem;
}

.testimonial-content p {
  margin: 8px 0 0;
  color: var(--text-1);
  font-size: 0.84rem;
  line-height: 1.7;
}

.showcase-lightbox[hidden] {
  display: none;
}

.showcase-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(0, 0, 0, 0.86);
  display: grid;
  place-items: center;
  padding: 24px;
}

.lightbox-figure {
  margin: 0;
  max-width: min(1100px, 92vw);
  max-height: 86vh;
  display: grid;
  gap: 10px;
}

.lightbox-figure img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 12px;
  background: #0a0a0a;
}

.lightbox-figure figcaption {
  color: var(--text-1);
  text-align: center;
  font-size: 0.86rem;
}

.lightbox-close,
.lightbox-nav {
  cursor: pointer;
  position: fixed;
  border: 1px solid var(--line-strong);
  background: rgba(8, 8, 8, 0.92);
  color: var(--text-0);
  border-radius: 999px;
}

.lightbox-close {
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  font-size: 1.4rem;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  font-size: 1.05rem;
}

.lightbox-nav.prev {
  left: 18px;
}

.lightbox-nav.next {
  right: 18px;
}

.showcase-preview-page {
  padding: 0;
  min-height: 100vh;
}

.preview-frame-wrap {
  --desktop-canvas-width: 100vw;
  border: 0;
  border-radius: 0;
  background: #000;
  padding: 0;
  box-shadow: none;
  height: 100vh;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  transition: padding 0.28s ease;
}

.preview-frame-wrap iframe {
  display: block;
  width: var(--desktop-canvas-width);
  min-width: 100%;
  height: 100vh;
  border: 0;
  border-radius: 0;
  background: #fff;
}

.preview-frame-wrap.is-mobile {
  --mobile-width: 440px;
  --mobile-height: 956px;
  --mobile-scale: 1;
  display: grid;
  place-items: center;
  height: 100vh;
  overflow: hidden;
}

.preview-frame-wrap.is-mobile iframe {
  width: var(--mobile-width);
  height: var(--mobile-height);
  min-width: 0;
  max-width: none;
  aspect-ratio: auto;
  transform: scale(var(--mobile-scale));
  transform-origin: center center;
}

.preview-controls {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  display: grid;
  justify-items: center;
  gap: 8px;
}

.preview-back-circle {
  cursor: pointer;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid #767676;
  background: #5a5a5a;
  color: var(--text-0);
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.preview-back-circle:hover {
  transform: translateY(-1px);
  background: #6a6a6a;
}

.preview-mode-row {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(8, 8, 8, 0.94);
  box-shadow: var(--shadow);
}

.preview-mode-row button {
  cursor: pointer;
  min-height: 40px;
  min-width: 92px;
  padding: 0 14px;
  border: 0;
  color: var(--text-0);
  background: transparent;
  font-family: "Sora", sans-serif;
  font-size: 0.76rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.preview-mode-row button.is-active {
  background: #fff;
  color: #0a0a0a;
}

.preview-empty {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--panel);
  padding: 16px;
}

.showcase-empty {
  margin: 0;
  color: var(--text-1);
}

.showcase-generic-page {
  padding: 84px 0;
}

.showcase-generic-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
  padding: 16px;
  margin-bottom: 10px;
}

.showcase-footer {
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.9);
}

.showcase-footer-inner {
  width: min(1240px, 92vw);
  margin: 0 auto;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-2);
  font-family: "Sora", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.showcase-pagination {
  margin-top: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px) scale(0.99);
  transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}

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

@media (max-width: 1120px) {
  .showcase-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-steps-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .process-step-box:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 820px) {
  .showcase-header {
    top: 10px;
    min-height: 60px;
    padding: 8px 10px;
  }

  .showcase-nav {
    display: none;
  }

  .showcase-logo {
    font-size: 0.8rem;
  }

  .showcase-header-cta,
  .btn-primary,
  .btn-ghost {
    min-height: 38px;
    padding: 0 13px;
    font-size: 0.7rem;
  }

  .showcase-hero {
    padding-top: 84px;
  }

  .showcase-hero-title {
    font-size: clamp(2.2rem, 10vw, 4.2rem);
  }

  .carousel-shell {
    grid-template-columns: 1fr;
  }

  .carousel-nav {
    display: none;
  }

  .showcase-product-grid {
    grid-template-columns: 1fr;
  }

  .preview-controls {
    right: 12px;
    bottom: 14px;
  }

  .preview-mode-row button {
    min-width: 78px;
  }

  .showcase-footer-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 14px 0;
  }

  .lightbox-nav {
    width: 38px;
    height: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}