@charset "UTF-8";

@font-face {
  font-family: "ZKYY Sans";
  src: url("/assets/zkyy-sans-sc.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --paper: #090d13;
  --surface: #101721;
  --panel: #141d29;
  --ink: #edf3fa;
  --muted: #b7c4d4;
  --accent: #acd6f9;
  --line: #303d50;
  --font: "ZKYY Sans", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --hero-size: clamp(48px, 5vw, 72px);
  --section-size: clamp(28px, 3.05vw, 40px);
  --section-space: clamp(56px, 7vw, 104px);
  --gutter: clamp(20px, 4.4vw, 64px);
  --header-height: 76px;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); scrollbar-gutter: stable; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.7 var(--font); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
img { display: block; max-width: 100%; height: auto; }
svg { width: 22px; height: 22px; flex-shrink: 0; }
h1, h2, h3, p, figure { margin: 0; }
h2, h3 { text-wrap: balance; }
h2 { font-size: var(--section-size); font-weight: 600; line-height: 1.24; }
ul, ol { padding: 0; margin: 0; list-style: none; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--paper); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.container { width: min(1280px, calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section-space { padding-block: var(--section-space); }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 20px; padding: 12px 18px; background: var(--accent); color: var(--paper); border-radius: 6px; transform: translateY(-180%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid #293649; background: #090d13f5; backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; min-height: calc(var(--header-height) - 1px); gap: clamp(16px, 2vw, 30px); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { display: block; width: 45px; height: 45px; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-name { color: var(--ink); font-size: 19px; font-weight: 700; line-height: 1.2; }
.brand-name small { display: block; color: var(--muted); font-size: 12px; font-weight: 500; margin-top: 4px; line-height: 1.3; }
.desktop-nav { display: flex; align-items: center; gap: clamp(16px, 2.2vw, 32px); margin-left: auto; }
.desktop-nav a, .language-switch { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; font-weight: 500; white-space: nowrap; }
.desktop-nav a:hover, .language-switch:hover, .back-top:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 9px; }
.language-switch { gap: 7px; padding-inline: 9px; border-left: 1px solid var(--line); }
.language-switch svg { width: 17px; height: 17px; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); align-items: center; justify-content: center; flex-direction: column; gap: 6px; }
.menu-toggle span { display: block; width: 17px; height: 1px; background: var(--ink); transition: transform .2s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-menu { padding: 4px var(--gutter) 16px; border-top: 1px solid var(--line); background: var(--paper); max-block-size: calc(100svh - var(--header-height)); overflow-y: auto; }
.mobile-menu a { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 48px; padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 14px; }
.mobile-menu svg { width: 18px; height: 18px; color: var(--accent); }

.hero { position: relative; isolation: isolate; overflow: hidden; background: #080c13; }
.hero-art, .hero-shade { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.hero-art { transform: scale(1.016); }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 45%; }
.hero-shade {
  z-index: -1;
  background:
    linear-gradient(0deg, var(--paper), #090d1300 32%),
    linear-gradient(90deg, #080c13f2 0%, #080c13d9 39%, #080c13bd 55%, #080c131c 76%, #080c1305);
}
.hero-content {
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  gap: 32px;
  min-block-size: clamp(560px, 73svh, 780px);
  padding-block: clamp(68px, 9svh, 104px) 26px;
}
.hero-copy { max-inline-size: min(650px, 62%); min-width: 0; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; color: var(--accent); font-size: 14px; font-weight: 500; line-height: 1.45; }
.status-dot { display: inline-block; width: 6px; height: 6px; flex: 0 0 auto; border-radius: 50%; background: var(--accent); }
.hero h1 { color: var(--ink); font-size: var(--hero-size); font-weight: 600; line-height: 1.13; letter-spacing: -.024em; }
.hero h1 > span { display: block; }
.hero h1 .silver-text { color: #c9def3; }
.hero-description { max-inline-size: 515px; margin-top: 22px; color: #e0e9f3; font-size: 16px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  max-width: 100%;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  transition: background-color .2s ease, border-color .2s ease;
}
.button svg { width: 17px; height: 17px; }
.button-primary { background: #cfe7fb; color: #0b1623; }
.button-primary:hover { background: #e7f4ff; }
.button-secondary { background: #111c29f2; border-color: #637a94; color: var(--ink); }
.button-secondary:hover { background: #1a2b3e; border-color: var(--accent); }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 18px; border-top: 1px solid #7290aa53; padding-top: 14px; }
.hero-credit, .gallery-credit, .about-credit { color: var(--muted); font-size: 12px; line-height: 1.5; }

.business-section, .approach-section { border-block: 1px solid var(--line); background: var(--surface); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); align-items: end; gap: 16px 48px; margin-bottom: 30px; }
.heading-description, .service-description, .film-description, .process-list p, .about-description, .contact-copy p { color: var(--muted); font-size: 16px; line-height: 1.7; }
.heading-description { max-inline-size: 530px; justify-self: end; }
.service-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.service-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: clamp(22px, 3vw, 36px); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(148deg, #192637, var(--panel) 66%); }
.service-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px; border: 1px solid #48617c; border-radius: 9px; background: #203044; color: var(--accent); }
.service-card h3 { margin-bottom: 9px; font-size: clamp(20px, 2.2vw, 26px); font-weight: 600; line-height: 1.34; }
.service-description { margin-bottom: 20px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; margin-bottom: 14px; }
.service-tags li { padding: 4px 9px; border: 1px solid #435670; border-radius: 5px; background: #182536; color: #d8e6f5; font-size: 12px; line-height: 1.5; }
.text-link { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; color: var(--accent); font-size: 14px; font-weight: 600; }
.text-link:hover { text-decoration: underline; text-underline-offset: .22em; }
.text-link svg { width: 17px; height: 17px; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.gallery-card { min-width: 0; }
.frame-trigger { position: relative; display: block; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.film-frame { display: block; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; }
.film-frame img { width: 100%; height: 100%; object-fit: cover; }
.gallery-card-1 img { object-position: 50% 30%; }
.gallery-card-2 img { object-position: 44% 52%; }
.gallery-card-3 img { object-position: 77% 48%; }
.frame-open { position: absolute; display: grid; place-items: center; right: 12px; bottom: 12px; width: 38px; height: 38px; border: 1px solid #6e8299; border-radius: 7px; background: #101923eb; color: var(--ink); }
.frame-open svg { width: 17px; height: 17px; }
.frame-trigger:hover .frame-open { border-color: var(--accent); background: #22354a; }
.gallery-card figcaption { padding: 14px 2px 0; }
.film-category { color: var(--accent); font-size: 12px; font-weight: 500; }
.gallery-card h3 { margin-block: 2px 6px; font-size: 21px; font-weight: 600; line-height: 1.35; }
.gallery-credit { margin-top: 23px; padding-top: 15px; border-top: 1px solid var(--line); }

.process-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.process-list li { min-width: 0; border-top: 1px solid #52647a; padding-top: 15px; }
.process-number { display: inline-block; color: var(--accent); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.process-list h3 { margin-block: 5px 7px; font-size: 19px; font-weight: 600; line-height: 1.35; }
.about-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); align-items: center; gap: clamp(28px, 6vw, 86px); }
.about-description { max-inline-size: 515px; margin-top: 17px; }
.about-frame img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); }
.about-credit { margin-top: 9px; }

.contact-section { padding-bottom: var(--section-space); }
.contact-panel { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); align-items: center; gap: 28px 58px; padding: clamp(22px, 4vw, 52px); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(120deg, #182434, var(--panel)); }
.contact-copy p { margin-top: 13px; }
.contact-action { min-width: 0; border-left: 1px solid #49617c; padding-left: 20px; }
.contact-pending { display: flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 500; }
.contact-note { margin-top: 5px; color: var(--muted); font-size: 14px; }
.contact-details > * { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding-block: 12px; overflow-wrap: anywhere; }
.contact-details small { width: 100%; color: var(--muted); font-size: 12px; }
.contact-details a { color: var(--accent); }
.contact-details svg { width: 17px; height: 17px; margin-left: auto; }

.site-footer { border-top: 1px solid var(--line); padding-block: 20px 36px; }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; }
.footer-top .brand-mark { width: 40px; height: 40px; }
.footer-top .brand-name { font-size: 16px; }
.back-top { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; color: var(--muted); font-size: 14px; font-weight: 500; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 14px; color: var(--muted); font-size: 12px; }
.footer-domain { margin-left: 4px; color: var(--ink); }
.footer-filing { margin-top: 18px; text-align: center; font-size: 12px; line-height: 1.65; }
.footer-filing a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding-inline: 9px; color: var(--muted); text-decoration: underline; text-underline-offset: .22em; }
.footer-filing a:hover { color: var(--ink); }

.image-open { overflow: hidden; }
.image-dialog { position: fixed; inset: 0; width: min(calc(100% - 28px), 1180px); max-height: 92svh; margin: auto; padding: 14px; border: 1px solid #647a94; border-radius: var(--radius); background: var(--surface); color: var(--ink); overflow: auto; }
.image-dialog::backdrop { background: #04070de8; }
.dialog-image { max-height: 73svh; width: auto; height: auto; margin-inline: auto; object-fit: contain; }
.image-dialog figcaption { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2px 16px; padding: 12px 2px 3px; font-size: 16px; }
.image-dialog figcaption small { color: var(--muted); font-size: 12px; }
.dialog-close { position: absolute; z-index: 1; top: 22px; right: 22px; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid #647a94; border-radius: 8px; color: var(--ink); background: #111b29; font-size: 24px; line-height: 1; }
.dialog-close:hover { background: #24374d; }

@media (max-width: 900px) {
  :root { --header-height: 64px; --hero-size: clamp(34px, 7.6vw, 48px); }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
  .language-switch { border-left: 0; }
  .hero-content { grid-template-rows: auto auto; min-block-size: 0; padding-top: clamp(66px, 13svh, 110px); }
  .hero-copy { max-inline-size: 100%; }
  .hero-art img { object-position: 76% 36%; }
  .hero-shade { background: linear-gradient(0deg, var(--paper), #090d13ef 28%, #080c137d 77%, #080c1329), linear-gradient(90deg, #080c13b8, #080c1320 76%); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; }
}

@media (max-width: 680px) {
  :root { --gutter: 20px; --section-space: 52px; }
  .brand { gap: 7px; }
  .brand-mark { width: 39px; height: 39px; }
  .brand-name { font-size: 17px; }
  .hero-content { gap: 22px; padding-block: clamp(62px, 13svh, 96px) 20px; }
  .hero h1 { letter-spacing: -.03em; }
  .eyebrow { margin-bottom: 13px; }
  .hero-description { margin-top: 15px; }
  .hero-actions { gap: 8px; margin-top: 19px; }
  .button { gap: 6px; padding-inline: 11px; }
  .hero-meta { gap: 5px 12px; padding-top: 9px; }
  .hero-art img { object-position: 76% center; }
  .hero-shade { background: linear-gradient(0deg, var(--paper) 0%, #090d13f5 27%, #080c13d9 55%, #080c13a3 77%, #080c1340 100%), linear-gradient(90deg, #080c1390, #080c1310); }
  .section-heading { grid-template-columns: 1fr; gap: 9px; margin-bottom: 23px; }
  .heading-description { justify-self: start; }
  .service-list, .gallery-grid, .about-section, .contact-panel { grid-template-columns: 1fr; }
  .service-list { gap: 14px; }
  .gallery-grid { gap: 25px; }
  .film-frame { aspect-ratio: 3 / 2; }
  .contact-action { border-left: 0; border-top: 1px solid #49617c; padding: 16px 0 0; }
}

@media (max-width: 359px) {
  :root { --gutter: 16px; }
  .header-inner { gap: 8px; }
  .header-actions { gap: 4px; }
  .language-switch { padding-inline: 7px; }
  .hero-content { padding-top: 54px; }
  .process-list { grid-template-columns: 1fr; }
}

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

@media print {
  .site-header { position: static; }
  .header-actions, .mobile-menu, .hero-actions, .back-top, .text-link { display: none; }
  .hero-content { min-block-size: auto; padding-top: 60px; }
}