/* Dehnker site — independent of Divi / WordPress */
@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Instrument+Sans:wght@400;500;600;700&display=swap");

:root {
  --ink: #0b1520;
  --ink-soft: #162636;
  --steel: #2a445c;
  --brass: #c9922a;
  --brass-hot: #e0a830;
  --mist: #eef2f6;
  --paper: #f7f9fb;
  --line: rgba(11, 21, 32, 0.12);
  --text: #243447;
  --muted: #5a6d80;
  --white: #ffffff;
  --header-h: 72px;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Sora", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Instrument Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.6em;
}

.dk-wrap {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.dk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 28px;
  border: 0;
  background: var(--ink);
  color: var(--white) !important;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s var(--ease), transform .25s var(--ease), color .25s var(--ease);
}
.dk-btn:hover { background: var(--brass); color: var(--ink) !important; }
.dk-btn--ghost {
  background: transparent;
  color: var(--white) !important;
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.7);
}
.dk-btn--ghost:hover {
  background: var(--white);
  color: var(--ink) !important;
  box-shadow: none;
}
.dk-btn--outline {
  background: transparent;
  color: var(--ink) !important;
  box-shadow: inset 0 0 0 1.5px var(--ink);
}
.dk-btn--outline:hover {
  background: var(--ink);
  color: var(--white) !important;
}
.dk-btn--brass { background: var(--brass); color: var(--ink) !important; }
.dk-btn--brass:hover { background: var(--brass-hot); }

/* —— Header —— */
.dk-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(247, 249, 251, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.dk-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.dk-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.dk-logo img {
  width: 168px;
  height: auto;
}
.dk-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.dk-nav__item { position: relative; }
.dk-nav__link {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color .2s;
}
.dk-nav__link:hover { color: var(--brass); }
.dk-nav__panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  padding: 12px 0;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(11, 21, 32, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index: 50;
}
.dk-nav__item:hover > .dk-nav__panel,
.dk-nav__item:focus-within > .dk-nav__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.dk-nav__panel a {
  display: block;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--text);
}
.dk-nav__panel a:hover {
  background: var(--mist);
  color: var(--ink);
}
.dk-nav__panel .dk-nav__sub {
  position: relative;
}
.dk-nav__panel .dk-nav__sub > a::after {
  content: "›";
  float: right;
  opacity: .45;
}
.dk-nav__panel .dk-nav__nested {
  position: absolute;
  left: 100%;
  top: -12px;
  min-width: 200px;
  padding: 12px 0;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(11, 21, 32, 0.12);
  opacity: 0;
  visibility: hidden;
}
.dk-nav__panel .dk-nav__sub:hover > .dk-nav__nested {
  opacity: 1;
  visibility: visible;
}
.dk-header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.dk-lang {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
}
.dk-lang:hover { color: var(--brass); }
.dk-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 10px;
}
.dk-burger span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
  transition: transform .25s;
}

/* Mobile drawer */
.dk-drawer {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--ink);
  color: var(--white);
  padding: 28px 24px 48px;
  overflow: auto;
  z-index: 999;
}
.dk-drawer.is-open { display: block; }
.dk-drawer a { color: var(--white); }
.dk-drawer__group { margin-bottom: 28px; }
.dk-drawer__title {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 12px;
}
.dk-drawer a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: 16px;
}

body.dk-nav-open { overflow: hidden; }

@media (max-width: 980px) {
  .dk-nav { display: none; }
  .dk-header__actions .dk-btn { display: none; }
  .dk-burger { display: block; }
}

/* —— Page shell —— */
.dk-main { min-height: 50vh; }

.dk-page-hero {
  position: relative;
  min-height: 0;
  display: flex;
  align-items: flex-end;
  padding: 72px 0 40px;
  background: var(--ink) center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}
.dk-page-hero--compact {
  padding: 56px 0 36px;
  min-height: 0;
}
.dk-page-hero__title {
  max-width: 36rem;
}
.dk-page-hero__title h1,
.dk-page-hero__title h2,
.dk-page-hero__title h3 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0;
  line-height: 1.15;
}
.dk-intro {
  max-width: 52rem;
  font-size: 1.05rem;
  color: var(--text);
}
.dk-intro h2,
.dk-intro h3 {
  margin-top: 1.2em;
  margin-bottom: 0.45em;
}
.dk-intro p { margin: 0 0 1em; }
.dk-intro > *:first-child { margin-top: 0; }
.dk-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(11,21,32,.92) 0%, rgba(11,21,32,.55) 55%, rgba(11,21,32,.35) 100%),
    radial-gradient(ellipse at 80% 20%, rgba(201,146,42,.25), transparent 50%);
}
.dk-page-hero .dk-wrap { position: relative; z-index: 1; }
.dk-page-hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 16ch;
  margin-bottom: 0.35em;
}
.dk-page-hero p {
  max-width: 42ch;
  color: rgba(255,255,255,.78);
  margin: 0;
  font-size: 1.05rem;
}
.dk-kicker {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
}

.dk-section {
  padding: 72px 0;
}
.dk-section--mist { background: var(--mist); }
.dk-section--ink {
  background: var(--ink);
  color: rgba(255,255,255,.82);
}
.dk-section--ink h2,
.dk-section--ink h3 { color: var(--white); }
.dk-section__head {
  margin-bottom: 40px;
  max-width: 40rem;
}
.dk-section__head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 0.4em;
}
.dk-section__head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.dk-section--ink .dk-section__head p { color: rgba(255,255,255,.65); }

.dk-prose {
  max-width: 62ch;
  font-size: 1.05rem;
  color: var(--text);
}
.dk-prose p { margin: 0 0 1.1em; }
.dk-prose h2, .dk-prose h3 { margin-top: 1.4em; }
.dk-prose ul, .dk-prose ol {
  margin: 0 0 1.1em 1.2em;
  list-style: disc;
}
.dk-prose a { color: var(--steel); text-decoration: underline; text-underline-offset: 3px; }

/* —— Home —— */
.dk-home-video {
  width: 100%;
  background: #000;
  line-height: 0;
  overflow: hidden;
}
.dk-home-video__player {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
  border: 0;
}
.dk-home-hero {
  position: relative;
  min-height: 0;
  display: grid;
  align-items: end;
  padding: 0;
  background: var(--ink) center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}
.dk-home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11,21,32,.25) 0%, rgba(11,21,32,.78) 70%, rgba(11,21,32,.92) 100%),
    linear-gradient(90deg, rgba(11,21,32,.85) 0%, rgba(11,21,32,.2) 60%);
}
.dk-home-hero__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
  pointer-events: none;
  animation: dk-mesh-drift 28s linear infinite;
}
@keyframes dk-mesh-drift {
  from { transform: translateY(0); }
  to { transform: translateY(48px); }
}
.dk-home-hero__content {
  position: relative;
  z-index: 1;
  padding: 88px 0 56px;
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}
.dk-home-hero__brand {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--white);
  animation: dk-rise .9s var(--ease) both;
}
.dk-home-hero__brand span {
  display: block;
  color: var(--brass);
}
.dk-home-hero__line {
  max-width: 22ch;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  line-height: 1.35;
  color: rgba(255,255,255,.92);
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 500;
  animation: dk-rise .9s .08s var(--ease) both;
}
@keyframes dk-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
.dk-home-hero__sub {
  max-width: none;
  color: rgba(255,255,255,.62);
  margin: 0 0 24px;
  font-size: 0.98rem;
  line-height: 1.55;
  white-space: nowrap;
  animation: dk-rise .9s .12s var(--ease) both;
}
@media (max-width: 640px) {
  .dk-home-hero__sub { white-space: normal; }
}
.dk-home-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: dk-rise .9s .22s var(--ease) both;
}

.dk-pillars-section {
  padding-top: 48px;
  padding-bottom: 48px;
}
.dk-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--white);
}
.dk-pillar {
  padding: 40px 32px;
  border-right: 1px solid var(--line);
  transition: background .3s;
}
.dk-pillar:last-child { border-right: 0; }
.dk-pillar:hover { background: var(--mist); }
.dk-pillar h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}
.dk-pillar p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.98rem;
}
.dk-pillar a {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
}
@media (max-width: 900px) {
  .dk-pillars { grid-template-columns: 1fr; }
  .dk-pillar { border-right: 0; border-bottom: 1px solid var(--line); }
  .dk-pillar:last-child { border-bottom: 0; }
}

.dk-sector-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  background: transparent;
}
.dk-sector-rail__item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 6px;
  min-height: 148px;
  margin: 0;
  padding: 14px 14px 12px;
  background-color: var(--ink);
  background-size: cover;
  background-position: center;
  color: #fff !important;
  text-decoration: none !important;
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.dk-sector-rail__item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 18, 28, 0.18) 0%, rgba(10, 18, 28, 0.78) 100%);
  transition: background .25s var(--ease);
  z-index: 0;
}
.dk-sector-rail__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}
.dk-sector-rail__item:hover::before {
  background: linear-gradient(180deg, rgba(26, 58, 90, 0.35) 0%, rgba(184, 148, 72, 0.55) 100%);
}
.dk-sector-rail__title,
.dk-sector-rail__cta {
  position: relative;
  z-index: 1;
}
.dk-sector-rail__title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.dk-sector-rail__cta {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.92;
}
@media (max-width: 720px) {
  .dk-sector-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .dk-sector-rail { grid-template-columns: 1fr; }
  .dk-sector-rail__item { min-height: 128px; }
}
.dk-sector {
  position: relative;
  min-height: 160px;
  padding: 24px;
  background: var(--ink-soft) center/cover no-repeat;
  color: var(--white);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  transition: transform .35s var(--ease);
}
.dk-sector::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(11,21,32,.88) 100%);
  transition: background .35s;
}
.dk-sector:hover::before {
  background: linear-gradient(180deg, rgba(201,146,42,.15) 0%, rgba(11,21,32,.9) 100%);
}
.dk-sector span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.dk-product-bands {
  display: grid;
  gap: 20px;
}
.dk-product-band {
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: 0;
  min-height: 0;
  background: var(--white);
  overflow: hidden;
  border: 1px solid var(--line);
}
.dk-product-band__media {
  background: var(--mist) center/contain no-repeat;
  min-height: 180px;
  height: 100%;
  padding: 20px;
  box-sizing: border-box;
}
.dk-product-band__body {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
}
.dk-product-band__body h3 {
  font-size: 1.75rem;
  margin-bottom: 14px;
}
.dk-product-band__body p {
  color: var(--muted);
  margin: 0 0 28px;
}
.dk-product-band__body .dk-btn {
  width: auto;
  align-self: flex-start;
  flex: 0 0 auto;
}
@media (max-width: 800px) {
  .dk-product-band { grid-template-columns: 1fr; }
  .dk-product-band__media {
    min-height: 160px;
    max-height: 200px;
  }
}

.dk-cta-band {
  position: relative;
  padding: 88px 0;
  background: var(--ink);
  text-align: center;
  color: var(--white);
  overflow: hidden;
}
.dk-cta-band .dk-wrap { position: relative; z-index: 1; }
.dk-cta-band h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 28px;
}
.dk-cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.dk-brochure-band {
  background: #2f8f3e;
  padding: 56px 0;
  color: var(--white);
}
.dk-brochure-band__grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(280px, 420px);
  gap: 40px 64px;
  align-items: start;
  justify-content: center;
  max-width: 960px;
  margin: 0 auto;
}
.dk-brochure-band__title {
  margin: 0;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 48px;
  letter-spacing: 0.01em;
}
.dk-brochure-band__form-wrap {
  width: 100%;
}
.dk-brochure-band .dk-form-feedback {
  margin-bottom: 16px;
  text-align: left;
}
.dk-brochure-form {
  display: grid;
  gap: 14px;
  width: 100%;
}
.dk-brochure-form__field input {
  display: block;
  width: 100%;
  height: 48px;
  padding: 12px 16px;
  border: none;
  border-radius: 0;
  background: var(--white);
  color: #333;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
}
.dk-brochure-form__field input::placeholder {
  color: #9aa3ad;
  opacity: 1;
}
.dk-brochure-form__field input:focus {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 2px;
}
.dk-brochure-form__privacy label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 2px 0 0;
  color: var(--white);
  font-size: 13px;
  line-height: 1.45;
  cursor: pointer;
}
.dk-brochure-form__privacy input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 1.5px solid var(--white);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
}
.dk-brochure-form__privacy input[type="checkbox"]:checked {
  background: var(--white);
  box-shadow: inset 0 0 0 3px #2f8f3e;
}
.dk-brochure-form__submit {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}
.dk-brochure-form__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 44px;
  padding: 0 28px;
  border: none;
  border-radius: 999px;
  background: #3aaa4c;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}
.dk-brochure-form__btn:hover {
  background: #45bc58;
}
@media (max-width: 800px) {
  .dk-brochure-band {
    padding: 40px 0;
  }
  .dk-brochure-band__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }
  .dk-brochure-band__title {
    text-align: center;
  }
  .dk-brochure-form__privacy label {
    text-align: left;
  }
  .dk-brochure-form__submit {
    justify-content: center;
  }
}
.dk-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;
}

/* —— Lists / grids —— */
.dk-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.dk-list-item {
  display: block;
  padding: 28px 24px;
  background: var(--white);
  border-left: 3px solid var(--brass);
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-left-color: var(--brass);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.dk-list-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(11,21,32,.08);
}
.dk-list-item h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}
.dk-list-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.dk-cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px 24px;
}
.dk-cert-grid figure {
  margin: 0;
  text-align: center;
}
.dk-cert-grid img {
  margin: 0 auto 12px;
  max-height: 100px;
  width: auto;
}
.dk-cert-grid figcaption {
  font-size: 13px;
  color: var(--muted);
}
.dk-cert-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  padding: 8px 0;
}
.dk-cert-card img {
  max-height: 120px;
  width: auto;
  max-width: 100%;
  display: block;
  box-shadow: 0 10px 22px rgba(11, 21, 32, 0.12);
}
.dk-cert-card h2 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.dk-cert-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}
.dk-cert-card .dk-btn {
  margin-top: 4px;
}

.dk-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.dk-split--top { align-items: start; }
@media (max-width: 800px) {
  .dk-split { grid-template-columns: 1fr; }
}

/* —— Application detail —— */
.dk-app-hero {
  min-height: 280px;
  background: var(--ink) center/cover no-repeat;
}
.dk-app-detail {
  padding-top: 48px;
  padding-bottom: 56px;
}
.dk-app-detail__heading {
  max-width: none;
  margin-bottom: 28px;
}
.dk-app-detail__heading h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.25;
}
.dk-app-detail__split {
  grid-template-columns: 1.35fr 0.9fr;
  gap: 40px 48px;
}
.dk-app-detail__aside {
  max-width: none;
  padding-left: 28px;
  border-left: 1px solid var(--line);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
}
.dk-app-detail__aside p {
  margin: 0;
  line-height: 1.7;
}
.dk-app-detail__aside strong {
  font-weight: 700;
}
.dk-app-banner {
  background: #2f8f3e;
  color: var(--white);
  padding: 56px 0;
  text-align: center;
}
.dk-app-banner__inner {
  max-width: 52rem;
  margin: 0 auto;
}
.dk-app-banner__inner h2 {
  margin: 0 0 18px;
  color: var(--white);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.35;
}
.dk-app-banner__inner p {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 1rem;
  line-height: 1.65;
}
.dk-app-banner__inner p:last-child {
  margin-bottom: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
@media (max-width: 800px) {
  .dk-app-hero { min-height: 200px; }
  .dk-app-detail__split { grid-template-columns: 1fr; }
  .dk-app-detail__aside {
    padding-left: 0;
    padding-top: 8px;
    border-left: none;
    border-top: 1px solid var(--line);
  }
}

/* —— Accordion —— */
.dk-acc {
  border: 1px solid var(--line);
  margin-bottom: 12px;
  background: var(--white);
}
.dk-acc__sum {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.dk-acc__sum::-webkit-details-marker { display: none; }
.dk-acc__sum::after {
  content: "+";
  color: var(--brass);
  font-size: 1.35rem;
  line-height: 1;
  flex: 0 0 auto;
}
.dk-acc[open] .dk-acc__sum::after { content: "−"; }
.dk-acc__body {
  padding: 0 22px 22px;
}
.dk-acc__body img {
  max-width: 100%;
  height: auto;
  margin: 8px 0;
  display: block;
}
.dk-section--mist .dk-acc { background: var(--white); }

/* —— Product detail —— */
.dk-product-overview {
  padding-top: 48px;
  padding-bottom: 40px;
}
.dk-product-overview__grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) 1.2fr;
  gap: 48px 56px;
  align-items: start;
}
.dk-product-overview__media {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
}
.dk-product-overview__media img {
  max-width: 100%;
  height: auto;
  display: block;
}
.dk-product-overview__info h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  margin: 0 0 18px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.dk-product-overview__intro {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
  max-width: 42rem;
}
.dk-download-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}
.dk-download-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 8px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
}
.dk-download-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
}
.dk-download-chip__icon {
  width: 36px;
  height: 36px;
  display: block;
  flex: 0 0 auto;
}
.dk-download-chip__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  text-align: left;
}
.dk-download-chip__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.dk-download-chip__action {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}
.dk-download-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass) !important;
}
.dk-download-link:hover { color: var(--brass-hot) !important; }
.dk-download-link svg { flex: 0 0 auto; }
.dk-product-overview__schemes {
  margin-top: 8px;
}
.dk-product-overview__schemes img {
  max-width: 100%;
  height: auto;
  display: block;
}
.dk-product-specs {
  padding-bottom: 56px;
}
.dk-acc-list {
  border-top: 1px solid var(--line);
}
.dk-acc--line {
  border: 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
  background: transparent;
}
.dk-acc--line .dk-acc__sum {
  padding: 22px 4px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.dk-acc--line .dk-acc__sum::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform .2s var(--ease);
}
.dk-acc--line[open] .dk-acc__sum::after {
  content: "";
  transform: rotate(-135deg);
  margin-top: 4px;
}
.dk-acc--line .dk-acc__body {
  padding: 0 4px 28px;
}
.dk-custom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.dk-custom-grid__item {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.98rem;
}
.dk-custom-grid img {
  max-width: 100%;
  height: auto;
  margin-bottom: 12px;
}
.dk-link-band {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  justify-content: space-between;
  align-items: center;
}
.dk-link-band h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}
@media (max-width: 800px) {
  .dk-product-overview__grid { grid-template-columns: 1fr; gap: 28px; }
  .dk-custom-grid { grid-template-columns: 1fr; }
}

/* —— Contact form —— */
.dk-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
}
.dk-field label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
}
.dk-field input,
.dk-field textarea,
.dk-field select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  border-radius: 0;
}
.dk-field input:focus,
.dk-field textarea:focus {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
}
.dk-form-feedback {
  padding: 14px 16px;
  background: #e8f6ec;
  border-left: 3px solid #2a9d4a;
  color: #1a5c2e;
  margin-bottom: 20px;
}
.dk-form-feedback.is-error {
  background: #fdeeee;
  border-left-color: #c0392b;
  color: #7a1f16;
}

/* —— Footer —— */
.dk-footer {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 64px 0 28px;
}
.dk-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.dk-footer__brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 12px;
}
.dk-footer h4 {
  color: var(--brass);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.dk-footer a:hover { color: var(--brass); }
.dk-footer__social h4 {
  color: rgba(255, 255, 255, 0.92);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  margin: 0 0 18px;
}
.dk-footer__social-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.dk-footer__social-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}
.dk-footer__social-list a:hover {
  color: var(--brass);
  transform: translateY(-2px);
}
.dk-footer__social-list svg {
  display: block;
}
.dk-footer__bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 13px;
  text-align: center;
  line-height: 1.6;
}
.dk-footer__bar p { margin: 0; }
.dk-footer__bar a { color: rgba(255,255,255,.65); }
.dk-footer__bar a:hover { color: var(--brass); }
@media (max-width: 800px) {
  .dk-footer__grid { grid-template-columns: 1fr; }
}

/* —— Float contact —— */
.home-float-contact {
  position: fixed;
  right: 0;
  bottom: 120px;
  z-index: 99990;
  display: flex;
  flex-direction: column;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}
.home-float-item { position: relative; }
.home-float-btn {
  width: 72px;
  height: 72px;
  border: 0;
  padding: 8px 4px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: #fff;
  cursor: pointer;
  box-sizing: border-box;
}
.home-float-btn-wechat { background: #07c160; }
.home-float-btn-phone { background: #f5a623; }
.home-float-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
  display: block;
}
.home-float-btn span {
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
}
.home-float-panel {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, visibility .18s ease;
}
.home-float-wechat .home-float-panel { margin-right: 10px; }
.home-float-item:hover .home-float-panel,
.home-float-item.is-open .home-float-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.home-float-qr {
  padding: 8px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
  width: 156px;
  box-sizing: border-box;
}
.home-float-qr img {
  display: block;
  width: 140px !important;
  height: 140px !important;
  max-width: none !important;
}
.home-float-phone .home-float-panel {
  top: 0;
  bottom: 0;
  height: auto;
  transform: none;
  margin-right: 0;
}
.home-float-tel {
  display: flex;
  align-items: center;
  padding: 0 18px 0 20px;
  background: #f5a623;
  white-space: nowrap;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.5px;
  cursor: pointer;
  height: 100%;
  box-sizing: border-box;
}
.home-float-copy-tip {
  position: absolute;
  right: calc(100% + 8px);
  top: -28px;
  background: rgba(0,0,0,.75);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  padding: 8px 10px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, visibility .18s ease;
}
.home-float-phone.is-copied .home-float-copy-tip {
  opacity: 1;
  visibility: visible;
}
@media (max-width: 767px) {
  .home-float-contact { bottom: 80px; }
  .home-float-btn { width: 60px; height: 60px; }
  .home-float-btn svg { width: 24px; height: 24px; }
  .home-float-btn span { font-size: 11px; }
  .home-float-qr img { width: 120px !important; height: 120px !important; }
  .home-float-tel { font-size: 16px; padding: 0 14px 0 16px; }
}

/* Detail pages compatibility */
.dk-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  padding: 56px 0;
}
@media (max-width: 860px) {
  .dk-detail-layout { grid-template-columns: 1fr; }
}

/* —— Product listing cards —— */
.dk-product-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 24px;
  padding-top: 8px;
}
.dk-product-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  padding: 16px;
}
.dk-product-card img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 5 / 4;
  object-fit: contain;
  background: var(--mist, #f3f5f7);
}
.dk-product-card h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  flex: 1 1 auto;
}
.dk-product-card .dk-btn {
  align-self: flex-start;
}
@media (max-width: 900px) {
  .dk-product-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .dk-product-card-grid { grid-template-columns: 1fr; }
}

/* —— Applications grid (bg image cards) —— */
.dk-app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.dk-app-grid__item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 220px;
  padding: 24px 22px 20px;
  background-color: var(--ink);
  background-size: cover;
  background-position: center;
  color: #fff !important;
  text-decoration: none !important;
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.dk-app-grid__item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 18, 28, 0.25) 0%, rgba(10, 18, 28, 0.78) 100%);
  transition: background .25s var(--ease);
  z-index: 0;
}
.dk-app-grid__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}
.dk-app-grid__item:hover::before {
  background: linear-gradient(180deg, rgba(26, 58, 90, 0.35) 0%, rgba(184, 148, 72, 0.55) 100%);
}
.dk-app-grid__title,
.dk-app-grid__cta {
  position: relative;
  z-index: 1;
}
.dk-app-grid__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.dk-app-grid__cta {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.9;
}
@media (max-width: 900px) {
  .dk-app-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .dk-app-grid { grid-template-columns: 1fr; }
  .dk-app-grid__item { min-height: 180px; }
}

/* —— Accessory images inside dk-acc —— */
.accessory-images {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
}
.accessory-images img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* —— Beian badge alignment —— */
.site-beian-gongan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1.4;
}
.site-beian-gongan img {
  display: inline-block;
  width: 18px;
  height: 18px;
  margin: 0;
  vertical-align: middle;
  flex-shrink: 0;
}

/* —— Product gallery inside dk overview —— */
.dk-product-overview__media .product-gallery {
  width: 100%;
}

/* —— About quote banner / blurbs —— */
.dk-quote-banner {
  position: relative;
  background-color: var(--ink);
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 56px 0;
}
.dk-quote-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 28, 45, 0.72);
  z-index: 0;
}
.dk-quote-banner .dk-wrap { position: relative; z-index: 1; }
.dk-quote-banner__inner {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}
.dk-quote-banner__inner p {
  margin: 0 0 1em;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  line-height: 1.55;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
}
.dk-quote-banner__inner p:last-child { margin-bottom: 0; }
.dk-blurb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px 28px;
  align-items: stretch;
}
.dk-blurb {
  display: flex;
  flex-direction: column;
}
.dk-blurb .dk-prose {
  flex: 1 1 auto;
}
.dk-blurb__media {
  margin-bottom: 18px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.dk-blurb__media img {
  max-width: 150px;
  max-height: 96px;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
}
.dk-blurb .dk-prose h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  min-height: 2.6em;
  color: var(--steel);
}
.dk-blurb__sub {
  margin: 0 0 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}
@media (max-width: 860px) {
  .dk-blurb-grid { grid-template-columns: 1fr; }
}

/* —— Patent list —— */
.dk-patent-list {
  display: grid;
  gap: 40px;
  margin-top: 36px;
}
.dk-patent-item {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 28px 40px;
  align-items: start;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}
.dk-patent-item:last-child { border-bottom: 0; padding-bottom: 0; }
.dk-patent-item__media img {
  width: 100%;
  height: auto;
  display: block;
}
.dk-patent-footnote {
  margin-top: 40px;
  padding: 28px 32px;
  background: var(--ink);
  color: #fff;
}
.dk-patent-footnote p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}
@media (max-width: 800px) {
  .dk-patent-item { grid-template-columns: 1fr; }
}

/* —— Sales network map + accordion —— */
.dk-sales-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 48px;
  align-items: start;
}
.dk-sales-map img {
  width: 100%;
  height: auto;
  display: block;
}
.dk-sales-region-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
@media (max-width: 860px) {
  .dk-sales-layout { grid-template-columns: 1fr; }
}