/* ==========================================================================
   INLINK — inlinkbuild.com
   Building hardware · Aluminium profiles · Finished solutions
   Design system
   ========================================================================== */

:root {
  /* brand */
  --ink: #18191b;
  --ink-2: #24262a;
  --ink-3: #3b3e43;
  --ink-4: #6b6f75;
  --silver: #d6d7d9;
  --silver-2: #edeef0;
  --silver-3: #f6f7f8;
  --paper: #ffffff;
  --orange: #f96e1c;
  --orange-d: #e05f10;
  --orange-l: rgba(249, 110, 28, 0.1);

  --line: #e3e5e8;
  --line-d: rgba(255, 255, 255, 0.12);

  --ff: "Inter", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", Arial, sans-serif;
  --ff-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1280px;
  --r: 4px;
  --r-lg: 8px;
  --hd-h: 72px;

  --sh-1: 0 1px 2px rgba(24, 25, 27, 0.04), 0 8px 24px rgba(24, 25, 27, 0.05);
  --sh-2: 0 2px 6px rgba(24, 25, 27, 0.06), 0 18px 48px rgba(24, 25, 27, 0.1);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hd-h) + 16px);
}
body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.is-locked {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
hr {
  border: 0;
  border-top: 1px solid var(--line);
}

::selection {
  background: var(--orange);
  color: #fff;
}

/* ---------- layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}
.sec {
  padding: 104px 0;
}
.sec--tight {
  padding: 72px 0;
}
.sec--paper {
  background: var(--silver-3);
}
.sec--dark {
  background: var(--ink);
  color: #e9eaec;
}
.sec--dark .sec__desc,
.sec--dark p {
  color: #a9adb3;
}

.grid {
  display: grid;
  gap: 20px;
}
.g-2 {
  grid-template-columns: repeat(2, 1fr);
}
.g-3 {
  grid-template-columns: repeat(3, 1fr);
}
.g-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ---------- typography ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--orange);
}
.sec--dark .eyebrow {
  color: #8d9198;
}

.h-display {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.h2 {
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 18px;
}
.h3 {
  font-size: 21px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.sec--dark .h-display,
.sec--dark .h2,
.sec--dark .h3,
.sec--dark .h4 {
  color: #fff;
}

.lead {
  font-size: 17px;
  color: var(--ink-4);
  line-height: 1.75;
}
.small {
  font-size: 13.5px;
  color: var(--ink-4);
}
.mono {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.accent {
  color: var(--orange);
}

.sec__head {
  max-width: 720px;
  margin-bottom: 48px;
}
.sec__head--wide {
  max-width: 940px;
}
.sec__desc {
  margin-top: 16px;
  font-size: 16.5px;
  color: var(--ink-4);
  line-height: 1.75;
}
.sec__head--split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}
.sec__head--split > div {
  max-width: 720px;
}

/* ---------- buttons ---------- */
.btn {
  --bg: var(--ink);
  --fg: #fff;
  --bd: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  height: 46px;
  border: 1px solid var(--bd);
  background: var(--bg);
  color: var(--fg);
  border-radius: var(--r);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn--primary {
  --bg: var(--orange);
  --bd: var(--orange);
}
.btn--primary:hover {
  --bg: var(--orange-d);
  --bd: var(--orange-d);
}
.btn--ghost {
  --bg: transparent;
  --fg: var(--ink);
  --bd: var(--silver);
}
.btn--ghost:hover {
  --bd: var(--ink);
}
.btn--light {
  --bg: #fff;
  --fg: var(--ink);
  --bd: #fff;
}
.btn--outline-l {
  --bg: transparent;
  --fg: #fff;
  --bd: rgba(255, 255, 255, 0.34);
}
.btn--outline-l:hover {
  --bd: #fff;
  --bg: rgba(255, 255, 255, 0.08);
}
.btn--sm {
  height: 38px;
  padding: 0 16px;
  font-size: 13.5px;
}
.btn--block {
  width: 100%;
}
.btn__ico {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}
.link-a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--silver);
  padding-bottom: 3px;
  transition: border-color 0.18s, color 0.18s;
}
.link-a:hover {
  color: var(--orange);
  border-color: var(--orange);
}
.sec--dark .link-a {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}
.sec--dark .link-a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- header ---------- */
.hd {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.hd__bar {
  height: var(--hd-h);
  display: flex;
  align-items: center;
  gap: 28px;
}
.hd__logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}
.hd__logo img {
  height: 34px;
  width: auto;
}
.hd__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 14px;
}
.hd__nav a {
  position: relative;
  padding: 10px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--r);
  transition: color 0.16s, background 0.16s;
}
.hd__nav a:hover {
  color: var(--ink);
  background: var(--silver-3);
}
.hd__nav a.is-on {
  color: var(--ink);
  font-weight: 700;
}
.hd__nav a.is-on::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}
.hd__act {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.16s, color 0.16s;
}
.lang:hover {
  border-color: var(--ink);
}
.lang span {
  opacity: 0.4;
}
.lang span.is-on {
  opacity: 1;
  color: var(--orange);
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--r);
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.burger i {
  display: block;
  width: 17px;
  height: 1.6px;
  background: var(--ink);
  margin: 3.4px auto;
  transition: transform 0.22s var(--ease), opacity 0.22s;
}
.burger.is-on i:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.burger.is-on i:nth-child(2) {
  opacity: 0;
}
.burger.is-on i:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* mega menu */
.mega {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--hd-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 48px rgba(24, 25, 27, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease),
    visibility 0.2s;
}
.has-mega:hover .mega,
.mega:hover,
.has-mega:focus-within .mega {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.mega__in {
  display: grid;
  grid-template-columns: 1.05fr 1fr 1fr 1fr;
  gap: 8px 36px;
  padding: 32px 0 36px;
}
.mega__col h5 {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 12px;
}
.mega__col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-3);
  transition: color 0.14s, padding 0.14s;
}
.mega__col a:hover {
  color: var(--ink);
  padding-left: 6px;
}
.mega__promo {
  background: var(--silver-3);
  border-radius: var(--r-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}
.mega__promo p {
  font-size: 13.5px;
  color: var(--ink-4);
  line-height: 1.65;
}

/* mobile drawer */
.drawer {
  position: fixed;
  inset: var(--hd-h) 0 0;
  z-index: 89;
  background: #fff;
  padding: 24px 32px 40px;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease),
    visibility 0.22s;
}
.drawer.is-on {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.drawer a {
  display: block;
  padding: 15px 0;
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.drawer .btn {
  margin-top: 22px;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.035) 0 1px,
      rgba(255, 255, 255, 0) 1px 3px
    ),
    radial-gradient(
      120% 90% at 78% 8%,
      rgba(214, 215, 217, 0.22) 0%,
      rgba(214, 215, 217, 0) 55%
    ),
    linear-gradient(160deg, #1d1f22 0%, #18191b 46%, #101113 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(
      to right,
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 100% at 20% 100%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(
    120% 100% at 20% 100%,
    #000 0%,
    transparent 70%
  );
}
.hero__in {
  padding: 92px 0 0;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #cfd2d6;
}
.hero__tag b {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  flex: 0 0 auto;
}
.hero h1 {
  margin: 24px 0 0;
  font-size: clamp(36px, 5.1vw, 64px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}
.hero h1 em {
  font-style: normal;
  color: var(--orange);
}
.hero__sub {
  margin-top: 24px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.78;
  color: #a9adb3;
}
.hero__cta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero__meta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}
.hero__meta li {
  font-size: 13px;
  color: #9ca0a6;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero__meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--orange);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

/* hero spec panel */
.spec {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-lg);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.07),
    rgba(255, 255, 255, 0.02)
  );
  padding: 22px;
  backdrop-filter: blur(6px);
}
.spec__hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.spec__hd .mono {
  color: #8d9198;
}
.spec__dots {
  display: flex;
  gap: 5px;
}
.spec__dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}
.spec__dots i:first-child {
  background: var(--orange);
}
.spec__list {
  margin-top: 6px;
}
.spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}
.spec__row:last-child {
  border-bottom: 0;
}
.spec__row dt {
  font-size: 13.5px;
  color: #a9adb3;
}
.spec__row dd {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  text-align: right;
}
.spec__ft {
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: #8d9198;
}

.hero__strip {
  margin-top: 72px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero__strip > div {
  padding: 26px 24px 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}
.hero__strip > div:first-child {
  padding-left: 0;
}
.hero__strip > div:last-child {
  border-right: 0;
}
.hero__strip b {
  display: block;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.15;
}
.hero__strip span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: #8d9198;
}

/* ---------- category cards ---------- */
.cat {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px 22px;
  overflow: hidden;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease),
    transform 0.22s var(--ease);
}
.cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: var(--orange);
  transition: width 0.3s var(--ease);
}
.cat:hover {
  border-color: var(--silver);
  box-shadow: var(--sh-1);
  transform: translateY(-3px);
}
.cat:hover::before {
  width: 100%;
}
.cat__ico {
  width: 46px;
  height: 46px;
  color: var(--ink);
  margin-bottom: 20px;
}
.cat__ico svg {
  width: 100%;
  height: 100%;
}
.cat__no {
  position: absolute;
  right: 22px;
  top: 22px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}
.cat h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.cat__en {
  margin-top: 3px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.cat p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--ink-4);
  line-height: 1.68;
  flex: 1;
}
.cat__ft {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.cat__n {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-4);
}
.cat__go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.cat:hover .cat__go {
  color: var(--orange);
}
.cat__go svg {
  width: 13px;
  height: 13px;
  transition: transform 0.2s var(--ease);
}
.cat:hover .cat__go svg {
  transform: translateX(3px);
}

/* ---------- filter bar ---------- */
.filter {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
  position: sticky;
  top: var(--hd-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  z-index: 40;
}
.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 0.16s var(--ease);
}
.chip:hover {
  border-color: var(--silver);
  color: var(--ink);
}
.chip.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.chip b {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  opacity: 0.55;
  font-weight: 600;
}
.search {
  position: relative;
  flex: 0 0 250px;
}
.search svg {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--ink-4);
  pointer-events: none;
}
.search input {
  width: 100%;
  height: 38px;
  padding: 0 14px 0 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.16s;
}
.search input:focus {
  border-color: var(--ink);
}

/* ---------- product cards ---------- */
.plist {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pcard {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
    transform 0.2s var(--ease);
}
.pcard:hover {
  border-color: var(--silver);
  box-shadow: var(--sh-1);
  transform: translateY(-3px);
}
.pcard__fig {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, #f7f8f9 0%, #eceef0 100%);
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.pcard__fig::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
      90deg,
      rgba(24, 25, 27, 0.028) 0 1px,
      transparent 1px 4px
    ),
    linear-gradient(to right, rgba(24, 25, 27, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24, 25, 27, 0.05) 1px, transparent 1px);
  background-size: auto, 26px 26px, 26px 26px;
}
.pcard__fig svg {
  position: relative;
  width: 42%;
  max-width: 96px;
  color: var(--ink-3);
  transition: transform 0.3s var(--ease), color 0.2s;
}
.pcard:hover .pcard__fig svg {
  transform: scale(1.06);
  color: var(--orange);
}
.pcard__cat {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 4px 9px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.pcard__bd {
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pcard__bd h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}
.pcard__en {
  margin-top: 4px;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-4);
  min-height: 18px;
}
.pcard__tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  flex: 1;
  align-content: flex-start;
}
.tag {
  padding: 3px 8px;
  background: var(--silver-3);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 11.5px;
  color: var(--ink-3);
  white-space: nowrap;
}
.pcard__ft {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 8px;
}
.pcard__ft .btn {
  flex: 1;
}
.pcard__add {
  flex: 0 0 42px;
  height: 38px;
  border: 1px solid var(--silver);
  background: #fff;
  border-radius: var(--r);
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--ink-3);
  transition: all 0.16s;
}
.pcard__add:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--orange-l);
}
.pcard__add.is-on {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}
.pcard__add svg {
  width: 16px;
  height: 16px;
}

.empty {
  padding: 72px 0;
  text-align: center;
  color: var(--ink-4);
  grid-column: 1 / -1;
}
.empty b {
  display: block;
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 6px;
}

/* ---------- solutions ---------- */
.sol {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
    transform 0.2s var(--ease);
}
.sol:hover {
  border-color: var(--silver);
  box-shadow: var(--sh-1);
  transform: translateY(-3px);
}
.sol__fig {
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, #1e2023 0%, #2b2e32 100%);
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.sol__fig::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0 1px,
    transparent 1px 3px
  );
}
.sol__fig svg {
  position: relative;
  width: 38%;
  max-width: 92px;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.24s, transform 0.3s var(--ease);
}
.sol:hover .sol__fig svg {
  color: var(--orange);
  transform: translateY(-2px) scale(1.05);
}
.sol__bd {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sol__bd h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.sol__en {
  margin-top: 3px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.sol__bd p {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--ink-4);
  line-height: 1.66;
  flex: 1;
}
.sol__ft {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sol__ft .mono {
  color: var(--ink-4);
}

/* ---------- brand strip ---------- */
.brands {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #fff;
}
.brands > div {
  padding: 34px 18px;
  border-right: 1px solid var(--line);
  display: grid;
  place-items: center;
  text-align: center;
  transition: background 0.2s;
}
.brands > div:last-child {
  border-right: 0;
}
.brands > div:hover {
  background: var(--silver-3);
}
.brands b {
  display: block;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink-3);
  transition: color 0.2s;
}
.brands > div:hover b {
  color: var(--ink);
}
.brands span {
  display: block;
  margin-top: 6px;
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a6aab0;
}

/* ---------- video / media slots ---------- */
.media {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(150deg, #22242700 0%, #101113 100%),
    repeating-linear-gradient(
      90deg,
      #24262a 0 1px,
      #1c1e21 1px 3px
    );
  border: 1px solid var(--line-d);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 32px;
}
.media__play {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: grid;
  place-items: center;
  color: #fff;
  transition: background 0.2s, transform 0.2s;
}
.media:hover .media__play {
  background: var(--orange);
  border-color: var(--orange);
  transform: scale(1.05);
}
.media__play svg {
  width: 20px;
  height: 20px;
  margin-left: 3px;
}
.media__cap {
  margin-top: 18px;
}
.media__cap b {
  display: block;
  font-size: 15px;
  color: #fff;
  font-weight: 600;
}
.media__cap span {
  display: block;
  margin-top: 5px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8d9198;
}

/* ---------- feature list ---------- */
.feat {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.feat > div {
  background: #fff;
  padding: 30px 26px 32px;
}
.sec--dark .feat {
  background: var(--line-d);
  border-color: var(--line-d);
}
.sec--dark .feat > div {
  background: var(--ink);
}
.feat__no {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.feat h3 {
  margin-top: 14px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.feat p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-4);
  line-height: 1.7;
}

/* ---------- process steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: s;
}
.steps > li {
  position: relative;
  padding: 0 26px 0 0;
}
.steps > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  right: 26px;
  height: 1px;
  background: var(--silver);
}
.steps > li:last-child::before {
  display: none;
}
.steps b {
  position: relative;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--silver);
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  z-index: 1;
}
.steps h4 {
  margin-top: 20px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.steps p {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--ink-4);
  line-height: 1.68;
  max-width: 240px;
}

/* ---------- tables ---------- */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.tbl th,
.tbl td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.tbl th {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 600;
  background: var(--silver-3);
}
.tbl tbody tr:last-child td {
  border-bottom: 0;
}
.tbl td:first-child {
  font-weight: 600;
  color: var(--ink);
  width: 40%;
}
.tbl--dark th {
  background: rgba(255, 255, 255, 0.05);
  color: #8d9198;
}
.tbl--dark th,
.tbl--dark td {
  border-color: var(--line-d);
}
.tbl--dark td:first-child {
  color: #fff;
}

/* ---------- products page ---------- */
.pg-head {
  background: var(--silver-3);
  border-bottom: 1px solid var(--line);
  padding: 56px 0 60px;
}
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-4);
  margin-bottom: 20px;
}
.crumb a:hover {
  color: var(--orange);
}
.crumb span {
  opacity: 0.5;
}

.sec-block {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.sec-block:last-child {
  border-bottom: 0;
}
.sec-block__hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.sec-block__hd h2 {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.sec-block__hd p {
  font-size: 14.5px;
  color: var(--ink-4);
  max-width: 520px;
  margin-top: 8px;
}
.sec-block__hd .mono {
  color: var(--ink-4);
}

/* detail page */
.dt {
  display: grid;
  grid-template-columns: 300px 1fr 340px;
  gap: 48px;
  align-items: start;
}
.dt__side {
  position: sticky;
  top: calc(var(--hd-h) + 24px);
}
.dt__side h4 {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 14px;
}
.dt__side a {
  display: block;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--ink-3);
  border-radius: var(--r);
  border-left: 2px solid transparent;
  transition: all 0.15s;
}
.dt__side a:hover {
  background: var(--silver-3);
  color: var(--ink);
}
.dt__side a.is-on {
  background: var(--silver-3);
  color: var(--ink);
  font-weight: 700;
  border-left-color: var(--orange);
}
.dt__fig {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, #f7f8f9, #eceef0);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.dt__fig::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      to right,
      rgba(24, 25, 27, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(24, 25, 27, 0.045) 1px, transparent 1px);
  background-size: 30px 30px;
}
.dt__fig svg {
  position: relative;
  width: 30%;
  max-width: 140px;
  color: var(--ink-3);
}
.dt__ph {
  position: absolute;
  right: 14px;
  bottom: 12px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 4px 8px;
}
.dt__body h1 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--ink);
}
.dt__en {
  margin-top: 8px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.dt__body > p {
  margin-top: 22px;
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.8;
}
.dt__sec {
  margin-top: 44px;
}
.dt__sec > h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.dt__sec > h2::before {
  content: "";
  width: 4px;
  height: 14px;
  background: var(--orange);
  border-radius: 1px;
}
.kv {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.kv > div {
  background: #fff;
  padding: 14px 16px;
}
.kv dt {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.kv dd {
  margin: 5px 0 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}
.tick {
  display: grid;
  gap: 10px;
}
.tick li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.6;
}
.tick li::before {
  content: "";
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--orange-l);
  border: 1px solid rgba(249, 110, 28, 0.35);
  background-image: linear-gradient(
      45deg,
      transparent 42%,
      var(--orange) 42%,
      var(--orange) 58%,
      transparent 58%
    ),
    linear-gradient(
      -45deg,
      transparent 42%,
      var(--orange) 42%,
      var(--orange) 58%,
      transparent 58%
    );
  background-size: 7px 7px, 7px 7px;
  background-position: 3px 6px, 6px 3px;
  background-repeat: no-repeat;
}
.dt__quote {
  position: sticky;
  top: calc(var(--hd-h) + 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--silver-3);
  padding: 26px 24px;
}
.dt__quote h3 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.dt__quote > p {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--ink-4);
  line-height: 1.65;
}
.dt__quote .btn {
  margin-top: 18px;
}
.dt__quote ul {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 11px;
}
.dt__quote li {
  font-size: 13.5px;
  color: var(--ink-3);
  display: flex;
  gap: 9px;
}
.dt__quote li::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  margin-top: 9px;
  background: var(--orange);
  transform: rotate(45deg);
}

/* ---------- forms ---------- */
.form {
  display: grid;
  gap: 16px;
}
.f-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.fld {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.fld label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}
.fld label i {
  font-style: normal;
  color: var(--orange);
}
.fld input,
.fld select,
.fld textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.16s, box-shadow 0.16s;
}
.fld textarea {
  min-height: 116px;
  resize: vertical;
  line-height: 1.6;
}
.fld input:focus,
.fld select:focus,
.fld textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(24, 25, 27, 0.06);
}
.fld.is-err input,
.fld.is-err select,
.fld.is-err textarea {
  border-color: #d94141;
  box-shadow: 0 0 0 3px rgba(217, 65, 65, 0.08);
}
.f-err {
  display: none;
  font-size: 12px;
  color: #d94141;
}
.fld.is-err .f-err {
  display: block;
}
.f-note {
  font-size: 12.5px;
  color: var(--ink-4);
  line-height: 1.6;
}
.f-ok {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid rgba(249, 110, 28, 0.35);
  background: var(--orange-l);
  border-radius: var(--r);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}
.f-ok b {
  color: var(--ink);
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  padding: 26px 24px;
}
.contact-card + .contact-card {
  margin-top: 16px;
}
.contact-card h4 {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 16px;
}
.contact-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.contact-line:last-child {
  border-bottom: 0;
}
.contact-line span {
  color: var(--ink-4);
}
.contact-line b {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}
.tba {
  display: inline-block;
  padding: 2px 8px;
  border: 1px dashed var(--silver);
  border-radius: 3px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: #9ba0a6;
  background: var(--silver-3);
}

/* ---------- RFQ drawer ---------- */
.rfq-fab {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  border: 0;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--sh-2);
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.28s var(--ease);
}
.rfq-fab.is-on {
  transform: none;
  opacity: 1;
}
.rfq-fab:hover {
  background: var(--orange);
}
.rfq-fab svg {
  width: 17px;
  height: 17px;
}
.rfq-fab b {
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--orange);
  font-family: var(--ff-mono);
  font-size: 11px;
}
.rfq-fab:hover b {
  background: #fff;
  color: var(--orange);
}

.sheet-mask {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(16, 17, 19, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s, visibility 0.24s;
}
.sheet-mask.is-on {
  opacity: 1;
  visibility: visible;
}
.sheet {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 96;
  width: min(460px, 100%);
  background: #fff;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease);
  box-shadow: -20px 0 60px rgba(24, 25, 27, 0.16);
}
.sheet.is-on {
  transform: none;
}
.sheet__hd {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sheet__hd h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.sheet__hd .mono {
  display: block;
  margin-top: 3px;
  color: var(--ink-4);
}
.x {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--ink-3);
  font-size: 17px;
  line-height: 1;
  transition: all 0.15s;
}
.x:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.sheet__bd {
  flex: 1;
  overflow-y: auto;
  padding: 18px 24px 24px;
}
.sheet__ft {
  padding: 16px 24px 22px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
  background: var(--silver-3);
}
.rfq-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.rfq-item__no {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 3px;
  background: var(--silver-3);
  border: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--ink-3);
}
.rfq-item__tx {
  flex: 1;
  min-width: 0;
}
.rfq-item__tx b {
  display: block;
  font-size: 14.5px;
  color: var(--ink);
  font-weight: 700;
}
.rfq-item__tx span {
  display: block;
  font-size: 12px;
  color: var(--ink-4);
  margin-top: 2px;
}
.rfq-item .x {
  width: 28px;
  height: 28px;
  font-size: 15px;
}

/* ---------- footer ---------- */
.ft {
  background: var(--ink);
  color: #d8dade;
  padding: 76px 0 0;
  position: relative;
  overflow: hidden;
}
.ft::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.03) 0 1px,
    transparent 1px 3px
  );
  pointer-events: none;
}
.ft__in {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 56px;
}
.ft__logo img {
  height: 44px;
  width: auto;
}
.ft__about {
  margin-top: 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #8d9198;
  max-width: 340px;
}
.ft h5 {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 18px;
}
.ft__col a {
  display: block;
  font-size: 13.5px;
  color: #9ca0a6;
  padding: 6px 0;
  transition: color 0.15s, padding 0.15s;
}
.ft__col a:hover {
  color: var(--orange);
  padding-left: 5px;
}
.ft__ct {
  font-size: 13.5px;
  color: #9ca0a6;
  display: grid;
  gap: 12px;
}
.ft__ct div {
  display: flex;
  gap: 10px;
}
.ft__ct b {
  color: #d8dade;
  font-weight: 500;
}
.ft__ct a:hover {
  color: var(--orange);
}
.ft__bar {
  position: relative;
  border-top: 1px solid var(--line-d);
  padding: 22px 0 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #7e8288;
}
.ft__bar ul {
  display: flex;
  gap: 20px;
}
.ft__bar a:hover {
  color: var(--orange);
}
/* ---------- 页脚社媒入口 ---------- */
.ft__social {
  position: relative;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 0 26px;
}
.ft__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  place-items: center;
  color: #b9bdc3;
  transition: color 0.18s, background 0.18s, border-color 0.18s, transform 0.18s;
}
.ft__social a:hover {
  color: #fff;
  background: var(--orange);
  border-color: var(--orange);
  transform: translateY(-2px);
}
.ft__social svg {
  width: 18px;
  height: 18px;
  display: block;
}

/* ---------- page hero (inner pages) ---------- */
.ph {
  background: var(--silver-3);
  border-bottom: 1px solid var(--line);
  padding: 60px 0 64px;
}
.ph__in {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 48px;
  align-items: end;
}
.ph h1 {
  font-size: clamp(30px, 3.8vw, 46px);
  font-weight: 800;
  letter-spacing: -0.028em;
  line-height: 1.1;
  color: var(--ink);
  margin-top: 18px;
}
.ph p {
  margin-top: 18px;
  font-size: 16.5px;
  color: var(--ink-4);
  line-height: 1.75;
  max-width: 620px;
}
.ph__stats {
  display: flex;
  gap: 34px;
  justify-content: flex-end;
}
.ph__stats > div {
  text-align: right;
}
.ph__stats b {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.ph__stats span {
  font-size: 12.5px;
  color: var(--ink-4);
}

/* 404 */
.nf__code {
  font-size: clamp(64px, 13vw, 128px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 14px 0 6px;
  color: var(--orange);
}
.nf__act {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- cta band ---------- */
.cta {
  position: relative;
  background: var(--ink);
  overflow: hidden;
  padding: 84px 0;
  color: #fff;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.035) 0 1px,
      transparent 1px 3px
    ),
    radial-gradient(
      80% 120% at 85% 20%,
      rgba(249, 110, 28, 0.22) 0%,
      rgba(249, 110, 28, 0) 60%
    );
}
.cta__in {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.cta h2 {
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  max-width: 640px;
}
.cta p {
  margin-top: 14px;
  font-size: 16px;
  color: #a9adb3;
  max-width: 560px;
}
.cta__act {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- misc ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 24px);
  z-index: 120;
  background: var(--ink);
  color: #fff;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--sh-2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.26s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.toast.is-on {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.toast svg {
  width: 16px;
  height: 16px;
  color: var(--orange);
}

.note {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border: 1px dashed var(--silver);
  border-radius: var(--r);
  background: var(--silver-3);
  font-size: 13px;
  color: var(--ink-4);
  line-height: 1.65;
}
.note b {
  color: var(--ink-2);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .plist {
    grid-template-columns: repeat(3, 1fr);
  }
  .dt {
    grid-template-columns: 1fr 320px;
    gap: 36px;
  }
  .dt__side {
    display: none;
  }
  .mega__in {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 980px) {
  .wrap {
    padding: 0 22px;
  }
  .sec {
    padding: 76px 0;
  }
  .hd__nav,
  .hd__act .btn {
    display: none;
  }
  .burger {
    display: grid;
  }
  .hero__in {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 64px 0 0;
  }
  .hero__strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__strip > div {
    border-bottom: 1px solid var(--line-d);
  }
  .g-4,
  .plist,
  .feat {
    grid-template-columns: repeat(2, 1fr);
  }
  .g-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px 0;
  }
  .steps > li::before {
    display: none;
  }
  .dt {
    grid-template-columns: 1fr;
  }
  .dt__quote {
    position: static;
  }
  .ph__in {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .ph__stats {
    justify-content: flex-start;
  }
  .ph__stats > div {
    text-align: left;
  }
  .sec__head--split {
    flex-direction: column;
    align-items: flex-start;
  }
  .brands {
    grid-template-columns: repeat(3, 1fr);
  }
  .brands > div {
    border-bottom: 1px solid var(--line);
  }
  .ft__in {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px;
  }
  .mega {
    display: none;
  }
}
@media (max-width: 640px) {
  :root {
    --hd-h: 64px;
  }
  .sec {
    padding: 58px 0;
  }
  .wrap {
    padding: 0 18px;
  }
  .g-2,
  .g-3,
  .g-4,
  .plist,
  .feat,
  .brands,
  .f-row {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .kv {
    grid-template-columns: 1fr;
  }
  .hero__strip {
    grid-template-columns: 1fr;
  }
  .hero__strip > div {
    padding-left: 0;
  }
  .filter {
    position: static;
  }
  .search {
    flex: 1 1 100%;
  }
  .ft__in {
    grid-template-columns: 1fr;
  }
  .ft__social {
    justify-content: flex-start;
    padding-bottom: 20px;
  }
  .rfq-fab {
    right: 16px;
    bottom: 16px;
    height: 48px;
    padding: 0 16px;
    font-size: 13.5px;
  }
  .pcard__ft .btn {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .hd,
  .rfq-fab,
  .ft__bar,
  .ft__social,
  .filter {
    display: none;
  }
}

/* ---------- enquiry output ---------- */
.f-ok[hidden] {
  display: none;
}
.f-ok pre {
  margin: 14px 0 0;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-family: var(--ff-mono);
  font-size: 12px;
  line-height: 1.75;
  color: var(--ink-2);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 280px;
  overflow: auto;
}
.f-ok__act {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.f-ok__ic {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--orange);
}

/* ---------- certificate slots ---------- */
.cert {
  aspect-ratio: 3 / 4;
  border: 1px dashed var(--silver);
  border-radius: var(--r-lg);
  background: var(--silver-3);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 22px 18px;
  transition: border-color 0.2s, background 0.2s;
}
.cert:hover {
  border-color: var(--orange);
  background: #fff;
}
.cert svg {
  width: 34px;
  height: 34px;
  color: var(--silver);
  margin: 0 auto 14px;
}
.cert b {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-3);
}
.cert span {
  display: block;
  margin-top: 7px;
  font-size: 11.5px;
  color: var(--ink-4);
  line-height: 1.5;
}

/* ---------- two column prose ---------- */
.prose2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}
.prose2 h3 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.prose2 h3::before {
  content: "";
  width: 5px;
  height: 16px;
  background: var(--orange);
  border-radius: 1px;
  flex: 0 0 auto;
}
.prose2 p {
  font-size: 15.5px;
  color: var(--ink-3);
  line-height: 1.85;
}
@media (max-width: 860px) {
  .prose2 {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}


/* ---------- contact page two-column layout ---------- */
.dt--contact {
  grid-template-columns: 1.5fr 1fr;
  gap: 52px;
}
@media (max-width: 1180px) {
  .dt--contact {
    grid-template-columns: 1.45fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 980px) {
  .dt--contact {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

@media (max-width: 980px) {
  .brands > div:nth-child(3n) {
    border-right: 0;
  }
}
@media (max-width: 640px) {
  .brands > div {
    border-right: 0;
  }
}

/* ==========================================================================
   实拍图（后台上传后替换图标占位）
   ========================================================================== */
.fig-img,
.pcard__img,
.dt__img,
.sol__img,
.acard__img,
.ar__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.pcard__fig:has(> img)::before,
.dt__fig:has(> img)::before,
.sol__fig:has(> img)::before,
.acard__fig:has(> img)::before {
  display: none;
}
.pcard__fig:has(> img),
.dt__fig:has(> img),
.acard__fig:has(> img) {
  background: #f2f3f4;
}
.sol__fig.has-img::before {
  display: none;
}

/* ==========================================================================
   技术资讯
   ========================================================================== */
.agrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
}
.acard {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.acard:hover {
  border-color: var(--silver);
  transform: translateY(-2px);
}
.acard__fig {
  aspect-ratio: 16 / 9;
  background: linear-gradient(150deg, #f7f8f9 0%, #eceef0 100%);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.acard__fig svg {
  width: 40px;
  height: 40px;
  color: var(--silver);
}
.acard__bd {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.acard__date {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-4);
}
.acard__bd h3 {
  margin: 9px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.acard__bd p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
  flex: 1;
}
.acard__go {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--orange);
}
.acard__go svg {
  width: 15px;
  height: 15px;
}

.ar__meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 16px;
  color: var(--ink-4);
}
.ar {
  max-width: 860px;
}
.ar > h1 {
  margin-top: 14px;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.02em;
}
.ar__meta .pcard__tags {
  margin: 0;
}
.ar__cover {
  aspect-ratio: 16 / 9;
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, #f7f8f9, #eceef0);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.ar__cover svg {
  width: 46px;
  height: 46px;
  color: var(--silver);
}
.ar__body {
  margin-top: 30px;
  max-width: 760px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-2);
}
.ar__body h3 {
  margin: 30px 0 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding-left: 13px;
  border-left: 4px solid var(--orange);
  line-height: 1.5;
}
.ar__body p {
  margin: 0 0 16px;
}
.ar__body ul,
.ar__body ol {
  margin: 0 0 18px;
  padding-left: 22px;
}
.ar__body li {
  margin-bottom: 9px;
}
.ar__body img {
  max-width: 100%;
  border-radius: var(--r);
  margin: 8px 0 18px;
}
.ar__body blockquote {
  margin: 0 0 18px;
  padding: 14px 18px;
  background: var(--silver-3);
  border-left: 3px solid var(--silver);
  border-radius: 0 var(--r) var(--r) 0;
  color: var(--ink-3);
}
.ar__ft {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   工程视频位
   ========================================================================== */
.vwrap {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #101113;
}
.vwrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.vcap {
  margin: 12px 0 0;
  font-size: 13.5px;
  color: var(--ink-4);
  line-height: 1.7;
}
.vlink {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  color: var(--ink);
  font-size: 15px;
  transition: border-color 0.2s;
}
.vlink:hover {
  border-color: var(--orange);
}
.vlink__play {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  display: grid;
  place-items: center;
}
.vlink__play svg {
  width: 20px;
  height: 20px;
  margin-left: 2px;
}

/* ==========================================================================
   询盘提交状态 / 未填写提示
   ========================================================================== */
.f-saved {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-4);
}
.f-saved.is-ok {
  color: #0f6e56;
}
.f-saved.is-warn {
  color: #993c1d;
}
.is-tba {
  color: var(--ink-4);
}

/* ==========================================================================
   浮动 WhatsApp 按钮
   ========================================================================== */
.wa-fab {
  position: fixed;
  right: 26px;
  bottom: 90px;
  z-index: 79;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
  transition: transform 0.2s;
}
.wa-fab:hover {
  transform: translateY(-2px);
}
.wa-fab svg {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
}
@media (max-width: 640px) {
  .wa-fab {
    right: 16px;
    bottom: 74px;
    height: 46px;
    padding: 0 15px;
    font-size: 13.5px;
  }
  .wa-fab span {
    display: none;
  }
  .ar__body {
    font-size: 15.5px;
  }
}