/* ============================================================
   Voice Point — Foreign Trade Website
   Ningbo Voice Point International Trade Co., Ltd.
   Palette: Black / Red / Silver — industrial trade brand
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --red: #e02030;
  --red-deep: #b01726;
  --red-glow: rgba(224, 32, 48, .55);
  --ink: #0c0e12;
  --ink-1: #12151b;
  --ink-2: #181c23;
  --ink-3: #22272f;
  --paper: #f3f4f6;
  --paper-2: #e9ebef;
  --white: #ffffff;
  --muted: #9aa1ab;
  --muted-2: #6d747e;
  --line: rgba(255, 255, 255, .09);
  --line-dark: rgba(12, 14, 18, .1);
  --font-disp: 'Barlow Condensed', 'Arial Narrow', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Barlow', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --ease: cubic-bezier(.22, .68, .32, 1);
  --shadow: 0 24px 60px rgba(8, 10, 14, .18);
  --radius: 14px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }

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

.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-family: var(--font-disp);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before { content: ""; width: 34px; height: 3px; background: var(--red); display: inline-block; }
.eyebrow.dark { color: var(--red-deep); }

h1, h2, h3 { font-family: var(--font-disp); font-weight: 700; line-height: 1.06; letter-spacing: .01em; }

h2 { font-size: clamp(34px, 4.6vw, 56px); color: var(--ink); }
h2 em { font-style: normal; color: var(--red); }
h3 { font-size: 21px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-disp);
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), color .35s, background .35s;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, .16);
  transform: translateX(-110%) skewX(-18deg);
  transition: transform .5s var(--ease);
}
.btn:hover::after { transform: translateX(110%) skewX(-18deg); }

.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-deep); transform: translateY(-3px); box-shadow: 0 14px 34px var(--red-glow); }

.btn-ghost { border: 1.5px solid rgba(255, 255, 255, .38); color: #fff; backdrop-filter: blur(4px); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); transform: translateY(-3px); }

.btn-sm { padding: 10px 20px; font-size: 14.5px; }
.btn-block { width: 100%; justify-content: center; }

/* ============================================================
   Preloader
   ============================================================ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--ink);
  display: grid;
  place-items: center;
  transition: opacity .7s var(--ease), visibility .7s;
}
.preloader.is-hidden { opacity: 0; visibility: hidden; }
.preloader-inner { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.preloader-inner img { width: 190px; animation: prelogo 1.1s var(--ease) both; }
@keyframes prelogo {
  from { opacity: 0; transform: scale(.82); }
  to { opacity: 1; transform: scale(1); }
}
.preloader-bar { width: 200px; height: 3px; background: rgba(255, 255, 255, .1); border-radius: 3px; overflow: hidden; }
.preloader-bar i { display: block; height: 100%; width: 0; background: var(--red); animation: prebar 1.4s var(--ease) forwards; }
@keyframes prebar { to { width: 100%; } }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 120;
  padding: 18px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(12, 14, 18, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 10px 0;
  border-bottom-color: var(--line);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .35);
}

.header-inner { display: flex; align-items: center; gap: 18px; }

.brand { display: inline-flex; align-items: center; gap: 13px; flex: none; }
.brand-logo {
  height: 58px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, .3)) drop-shadow(0 3px 8px rgba(0, 0, 0, .5));
  transition: transform .35s var(--ease);
}
.brand:hover .brand-logo { transform: translateY(-2px) rotate(-1.2deg); }
.brand-text {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .06em;
  color: #fff;
  line-height: 1.1;
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}
.brand-text small { font-family: var(--font-body); font-weight: 500; font-size: 9.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }

.desktop-nav { display: flex; gap: 32px; margin-left: auto; align-items: center; }
.nav-link {
  font-family: var(--font-disp);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .82);
  position: relative;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color .3s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 2px;
  height: 2px; width: 100%;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-link.active { color: #fff; }
.nav-link.active::after { transform: scaleX(1); transform-origin: left; }
.dropdown a.active { color: var(--red); }
.m-link.active, .m-toggle.active { color: var(--red); }

/* dropdown wrapper */
.nav-item { position: relative; }
.chev { transition: transform .35s var(--ease); flex: none; }
.nav-item:hover .chev, .nav-item.is-open .chev { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 0;
  width: max-content;
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 26px 60px rgba(0, 0, 0, .5);
  opacity: 0;
  visibility: hidden;
  transition: opacity .32s var(--ease), transform .32s var(--ease), visibility .32s;
  z-index: 60;
}
.dropdown::before {
  content: "";
  position: absolute;
  top: -12px; left: 0; right: 0;
  height: 14px;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown, .nav-item.is-open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-item:last-child .dropdown { left: auto; right: 0; transform: translateY(8px); }
.nav-item:last-child:hover .dropdown,
.nav-item:last-child:focus-within .dropdown,
.nav-item:last-child.is-open .dropdown { transform: translateY(0); }
.dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255, 255, 255, .82);
  padding: 9px 14px;
  border-radius: 8px;
  position: relative;
  transition: color .25s, background .25s, padding-left .25s var(--ease);
}
.dropdown button::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 3px; height: 0;
  background: var(--red);
  transform: translateY(-50%);
  border-radius: 3px;
  transition: height .25s var(--ease);
}
.dropdown button:hover {
  color: #fff;
  background: rgba(224, 32, 48, .12);
  padding-left: 20px;
}
.dropdown button:hover::before { height: 18px; }

.dropdown a {
  display: block;
  width: 100%;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255, 255, 255, .82);
  padding: 9px 14px;
  border-radius: 8px;
  position: relative;
  text-decoration: none;
  transition: color .25s, background .25s, padding-left .25s var(--ease);
}
.dropdown a::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 3px; height: 0;
  background: var(--red);
  transform: translateY(-50%);
  border-radius: 3px;
  transition: height .25s var(--ease);
}
.dropdown a:hover {
  color: #fff;
  background: rgba(224, 32, 48, .12);
  padding-left: 20px;
}
.dropdown a:hover::before { height: 18px; }


.header-cta { margin-left: 6px; background: var(--red); color: #fff; }
.header-cta:hover { background: var(--red-deep); }

/* hamburger */
.menu-btn { display: none; flex-direction: column; gap: 5px; padding: 10px 4px; z-index: 160; }
.menu-btn span { width: 26px; height: 2.5px; background: #fff; border-radius: 2px; transition: transform .35s var(--ease), opacity .3s; }
.menu-btn.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(10, 12, 15, .97);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s var(--ease), visibility .4s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; align-items: center; gap: 10px; width: min(320px, 86vw); }
.m-link, .m-toggle {
  font-family: var(--font-disp);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .45s var(--ease), transform .45s var(--ease), color .3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  justify-content: center;
  padding: 8px 0;
}
.m-toggle .chev { transition: transform .35s var(--ease); }
.m-toggle.is-open .chev { transform: rotate(180deg); }
.m-link:hover, .m-toggle:hover, .m-toggle.is-open { color: var(--red); }

.m-item { width: 100%; display: flex; flex-direction: column; align-items: center; }
.m-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height .5s var(--ease);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.m-item.is-open .m-sub { max-height: 300px; }
.m-sub button {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--muted);
  padding: 9px 18px;
  border-radius: 8px;
  letter-spacing: .04em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), color .3s;
}
.m-item.is-open .m-sub button { opacity: 1; transform: translateY(0); }
.m-item.is-open .m-sub button:nth-child(1) { transition-delay: .06s; }
.m-item.is-open .m-sub button:nth-child(2) { transition-delay: .1s; }
.m-item.is-open .m-sub button:nth-child(3) { transition-delay: .14s; }
.m-item.is-open .m-sub button:nth-child(4) { transition-delay: .18s; }
.m-sub button:hover { color: #fff; }

.mobile-menu.is-open nav .m-link,
.mobile-menu.is-open nav .m-toggle { opacity: 1; transform: translateY(0); }
.mobile-menu.is-open nav .m-link:nth-child(1) { transition-delay: .08s; }
.mobile-menu.is-open nav .m-item:nth-of-type(1) .m-toggle { transition-delay: .13s; }
.mobile-menu.is-open nav .m-item:nth-of-type(2) .m-toggle { transition-delay: .18s; }
.mobile-menu.is-open nav .m-item:nth-of-type(3) .m-toggle { transition-delay: .23s; }
.mobile-menu.is-open nav .m-item:nth-of-type(4) .m-toggle { transition-delay: .28s; }

/* ============================================================
   Hero slider (fullscreen)
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: var(--ink);
}

.hero-slider { position: absolute; inset: 0; }

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s var(--ease), visibility 1.1s;
}
.hero-slide.is-active { opacity: 1; visibility: visible; z-index: 2; }

.hero-bg {
  position: absolute;
  inset: -4%;
  background-size: cover;
  background-position: center;
  transform: scale(1.01);
  will-change: transform;
}
.hero-slide.is-active .hero-bg { animation: kenburns 8.5s var(--ease) forwards; }
@keyframes kenburns {
  from { transform: scale(1.01); }
  to { transform: scale(1.1); }
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 10, 13, .92) 0%, rgba(8, 10, 13, .62) 42%, rgba(8, 10, 13, .18) 78%),
    linear-gradient(0deg, rgba(8, 10, 13, .55) 0%, transparent 32%);
}

.hero-copy {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 40px;
  max-width: 780px;
  margin-inline: 0;
  margin-left: max(4vw, calc((100vw - 1200px) / 2));
}
.hero-copy > * { opacity: 0; transform: translateY(34px); }
.hero-slide.is-active .hero-copy > * { animation: heroin .95s var(--ease) forwards; }
.hero-slide.is-active .hero-copy .eyebrow { animation-delay: .25s; }
.hero-slide.is-active .hero-copy h1 { animation-delay: .4s; }
.hero-slide.is-active .hero-copy .hero-lead { animation-delay: .58s; }
.hero-slide.is-active .hero-copy .hero-actions { animation-delay: .76s; }
@keyframes heroin {
  to { opacity: 1; transform: translateY(0); }
}

.hero-copy h1 {
  font-size: clamp(56px, 8vw, 104px);
  color: #fff;
  margin: 8px 0 22px;
  text-transform: uppercase;
}
.hero-copy h1 em { font-style: normal; color: var(--red); }
.hero-lead { color: rgba(255, 255, 255, .78); font-size: 18px; max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* slider controls */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 54px; height: 54px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(12, 14, 18, .35);
  backdrop-filter: blur(6px);
  transition: background .3s, border-color .3s, transform .3s var(--ease);
}
.hero-arrow:hover { background: var(--red); border-color: var(--red); }
.hero-arrow.prev { left: 28px; }
.hero-arrow.next { right: 28px; }
.hero-arrow.prev:hover { transform: translateY(-50%) translateX(-4px); }
.hero-arrow.next:hover { transform: translateY(-50%) translateX(4px); }

.hero-dots {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  gap: 12px;
}
.hero-dots button {
  width: 34px; height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .28);
  overflow: hidden;
  position: relative;
  transition: background .3s;
}
.hero-dots button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
}
.hero-dots button.is-active { background: rgba(255, 255, 255, .34); }
.hero-dots button.is-active::after { transform: scaleX(1); }

.hero-counter {
  position: absolute;
  right: 40px;
  bottom: 30px;
  z-index: 6;
  font-family: var(--font-disp);
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.hero-counter b { color: var(--red); font-size: 42px; }
.hero-counter span { color: rgba(255, 255, 255, .45); font-size: 22px; }

.hero-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 6;
  background: rgba(255, 255, 255, .08);
}
.hero-progress i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--red);
}
.hero-progress i.is-running { animation: slideprog 6s linear forwards; }
@keyframes slideprog { from { width: 0; } to { width: 100%; } }

.scroll-note {
  position: absolute;
  left: clamp(26px, 5vw, 64px);
  bottom: 32px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .6);
  transition: color .3s;
}
.scroll-note svg { animation: scrollbounce 1.8s ease-in-out infinite; }
.scroll-note:hover { color: #fff; }
@keyframes scrollbounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================================
   Sections base
   ============================================================ */
.section { padding: 120px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 56px;
}
.section-head > p { max-width: 420px; color: var(--muted-2); font-size: 16.5px; }
.section-head.light h2 { color: #fff; }
.section-head.light > p { color: var(--muted); }

/* ============================================================
   About (dark, with bg image)
   ============================================================ */
.about {
  position: relative;
  background:
    linear-gradient(90deg, rgba(8,10,13,.88) 0%, rgba(8,10,13,.62) 55%, rgba(8,10,13,.35) 100%),
    url('../images/about-bg.jpg') center/cover no-repeat;
  color: #fff;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.04fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-frame { position: relative; }
.about-frame::before {
  content: "";
  position: absolute;
  inset: 26px -26px -26px 26px;
  border: 2px solid var(--red);
  border-radius: var(--radius);
  z-index: 1;
}
.about-frame img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 30px 60px rgba(0,0,0,.5);
}
.about-badge {
  position: absolute;
  z-index: 3;
  left: -30px;
  bottom: -26px;
  background: rgba(10,12,16,.92);
  border: 1px solid rgba(224,32,48,.5);
  color: #fff;
  border-radius: 12px;
  padding: 18px 26px;
  font-size: 13px;
  letter-spacing: .08em;
  line-height: 1.4;
  text-transform: uppercase;
  box-shadow: 0 18px 40px rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  gap: 14px;
}
.about-badge b { font-family: var(--font-disp); font-size: 46px; color: var(--red); line-height: 1; }

.about-copy h2 { margin-bottom: 20px; color: #fff; }
.about-copy > p { color: #c2c7cf; margin-bottom: 14px; max-width: 560px; font-size: 16px; line-height: 1.7; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--red);
  padding: 14px 26px;
  border-radius: 6px;
  margin-top: 18px;
  box-shadow: 0 10px 26px var(--red-glow);
  transition: gap .3s var(--ease), background .3s;
}
.text-link:hover { gap: 14px; background: var(--red-deep); }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.stat b {
  display: block;
  font-family: var(--font-disp);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}
.stat > span { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: #9aa1ab; }

/* ============================================================
   Products  (horizontal cards, bg image)
   ============================================================ */
.products {
  position: relative;
  overflow: hidden;
  padding-top: 60px;
  background:
    linear-gradient(180deg, rgba(10,12,16,.82) 0%, rgba(10,12,16,.92) 100%),
    url('../images/products-bg.jpg') center/cover no-repeat;
  border-top: 1px solid rgba(255,255,255,.06);
}

.products .section-head h2 { color: #fff; }
.products .section-head > p { color: #9aa1ab; }

.filters { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.filters button {
  font-family: var(--font-disp);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,.14);
  color: #c8ccd2;
  background: rgba(255,255,255,.04);
  transition: all .3s var(--ease);
}
.filters button:hover { border-color: var(--red); color: #fff; }
.filters button.is-active { background: var(--red); border-color: var(--red); color: #fff; box-shadow: 0 8px 22px var(--red-glow); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  grid-auto-flow: row dense;
}
.product-grid > *:nth-child(odd) { grid-column: 1; }
.product-grid > *:nth-child(even) { grid-column: 2; }
@media (max-width: 700px) { .product-grid { grid-template-columns: 1fr; } }
.product-card {
  position: relative;
  display: block;
  background: linear-gradient(135deg, rgba(26,30,38,.92) 0%, rgba(18,21,28,.95) 100%);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(224,32,48,.5);
  box-shadow: 0 22px 50px rgba(0,0,0,.55);
}
.product-card.is-hiding { display: none; }

.product-img {
  position: relative;
  aspect-ratio: auto;
  min-height: 260px;
  overflow: hidden;
  background: #141821;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.product-card:hover .product-img img { transform: scale(1.05); }

.product-body {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
}
.product-body small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 6px;
}
.product-body h3 { color: #fff; font-size: 22px; margin-bottom: 2px; }
.product-body p { color: #8a9099; font-size: 13.5px; margin-bottom: 14px; }

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 9px;
  list-style: none;
  margin-top: auto;
}
.product-specs li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.product-specs li:last-child { border-bottom: none; padding-bottom: 0; }
.product-specs span {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #8a9099;
  flex: none;
}
.product-specs b {
  font-family: var(--font-disp);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  text-align: right;
}
.product-specs li:nth-child(2) b { color: var(--red); }

.product-arrow {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.15);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateY(8px);
  transition: all .4s var(--ease);
  backdrop-filter: blur(6px);
}
.product-card:hover .product-arrow { opacity: 1; transform: translateY(0); }
.product-arrow:hover { background: var(--red); }

/* ============================================================
   Services (2x2 photo cards, port bg)
   ============================================================ */
.services {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(8,10,14,.55) 0%, rgba(8,10,14,.75) 100%),
    url('../images/services-bg.jpg') center/cover no-repeat;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  position: relative;
}
.service-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  min-height: 300px;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255,255,255,.1);
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(224,32,48,.55);
  box-shadow: 0 24px 50px rgba(0,0,0,.6);
}
.service-info {
  position: relative;
  z-index: 2;
  padding: 30px 32px;
  max-width: 62%;
  display: flex;
  flex-direction: column;
  min-height: 300px;
}
.service-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.service-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(224,32,48,.18);
  color: var(--red);
  display: grid;
  place-items: center;
  flex: none;
}
.service-num {
  font-family: var(--font-disp);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}
.service-card h3 { color: #fff; font-size: 26px; margin-bottom: 12px; }
.service-card p { color: #d0d4db; font-size: 15px; line-height: 1.7; }

/* ============================================================
   Showroom (dark, bg image)
   ============================================================ */
.showroom {
  position: relative;
  background:
    linear-gradient(90deg, rgba(8,10,13,.78) 0%, rgba(8,10,13,.45) 55%, rgba(8,10,13,.25) 100%),
    url('../images/showroom-bg.jpg') center/cover no-repeat;
  color: #fff;
}
.showroom-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: center;
}
.showroom-copy h2 { margin-bottom: 18px; color: #fff; }
.showroom-copy > p { color: #c2c7cf; margin-bottom: 26px; max-width: 520px; line-height: 1.7; }
.showroom-list { display: flex; flex-direction: column; gap: 14px; }
.showroom-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15.5px;
  color: #e4e7ec;
}
.showroom-list svg { color: var(--red); flex: none; }

.showroom-visual {
  position: relative;
  padding: 0;
}
.showroom-visual img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  clip-path: polygon(
    2% 0%,
    96% 0%,
    96% 3%,
    100% 3%,
    100% 92%,
    97% 92%,
    97% 100%,
    8% 100%,
    5% 96%,
    0% 96%,
    0% 60%,
    2.5% 60%,
    2.5% 40%,
    0% 40%,
    0% 8%,
    2% 8%
  );
  filter:
    drop-shadow(-3px 0 0 var(--red))
    drop-shadow(3px 0 0 var(--red))
    drop-shadow(0 -3px 0 var(--red))
    drop-shadow(0 3px 0 var(--red))
    drop-shadow(0 0 22px rgba(224,32,48,.55));
}
.showroom-chip {
  position: absolute;
  left: 14px;
  bottom: -18px;
  background: var(--red);
  color: #fff;
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: 4px;
  box-shadow: 0 14px 30px var(--red-glow);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 3;
}
.showroom-chip::before { content: ""; width: 8px; height: 8px; background: #fff; border-radius: 50%; }

/* ============================================================
   Contact
   ============================================================ */
.contact {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8,10,14,.78) 0%, rgba(8,10,14,.55) 50%, rgba(8,10,14,.35) 100%),
    url('../images/contact-bg.jpg') center/cover no-repeat;
}
.contact::before {
  content: "";
  position: absolute;
  left: -260px;
  bottom: -260px;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 32, 48, .12), transparent 66%);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 72px;
  align-items: start;
}
.contact-copy h2 { color: #fff; margin-bottom: 18px; }
.contact-copy > p { color: var(--muted); margin-bottom: 34px; max-width: 480px; }

.contact-meta { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-ico {
  width: 28px; height: 28px;
  flex: none;
  color: var(--red);
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.contact-item small { display: block; font-size: 11px; font-weight: 600; letter-spacing: .24em; color: var(--muted-2); margin-bottom: 2px; }
.contact-item a, .contact-item span { color: #fff; font-size: 16px; line-height: 1.6; }
.contact-item a:hover { color: var(--red); }

/* form */
.inquiry-form {
  background: rgba(15,20,28,.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 36px 34px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .5);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.inquiry-form label { display: block; margin-bottom: 18px; font-size: 12.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 13px 16px;
  font: inherit;
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
  color: #fff;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--red);
  background: rgba(255, 255, 255, .07);
  box-shadow: 0 0 0 3px rgba(224, 32, 48, .18);
}
.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder { color: rgba(255, 255, 255, .3); }
.inquiry-form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.inquiry-form select option { background: var(--ink-2); color: #fff; }
.inquiry-form textarea { resize: vertical; min-height: 110px; }

.form-note { min-height: 22px; margin-top: 14px; font-size: 14px; letter-spacing: 0; text-transform: none; }
.form-note.ok { color: #4ade80; }
.form-note.err { color: var(--red); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
   background-color:#121e2a;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 40px;
  align-items: start;
}
.footer-brand { display: flex; gap: 16px; align-items: flex-start; }
.footer-brand .brand-logo { width: 56px; height: auto; margin-top: 4px; }
.footer-brand p { color: #c2c7cf; font-size: 15px; line-height: 1.6; }
.footer-nav { display: flex; flex-direction: row; flex-wrap: wrap; gap: 22px; }
.footer-nav a {
  font-family: var(--font-disp);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  text-transform: none;
  color: rgba(255, 255, 255, .82);
  transition: color .3s;
}
.footer-nav a:hover { color: var(--red); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; color: var(--muted); font-size: 15.5px; }
.footer-contact a { color: #fff; font-size: 16px; }
.footer-contact a:hover { color: var(--red); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 16px;
  letter-spacing: .02em;
}


/* ============================================================
   To-top floating button
   ============================================================ */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 50px; height: 50px;
  border-radius: 12px;
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 34px var(--red-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all .4s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--red-deep); transform: translateY(-4px); }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal[data-reveal="left"] { transform: translateX(-46px); }
.reveal[data-reveal="right"] { transform: translateX(46px); }
.reveal[data-reveal="up"] { transform: translateY(40px); }
.reveal.in { opacity: 1; transform: none; }

/* product card stagger inside grid */
.product-grid .reveal { transition-delay: calc(var(--i, 0) * .07s); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Mobile nav breakpoint (avoid desktop nav crowding) ---------- */
@media (max-width: 900px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-btn { display: flex; margin-left: auto; }
}

@media (max-width: 960px) {
  .menu-btn { display: flex; margin-left: auto; }
  .header-inner { gap: 14px; }

  .about-grid, .showroom-grid, .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-frame::before { inset: 18px -14px -14px 18px; }
  .about-badge { left: 8px; bottom: -18px; }
  .section { padding: 90px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }

  .hero-arrow { width: 46px; height: 46px; }
  .hero-arrow.prev { left: 14px; }
  .hero-arrow.next { right: 14px; }
  .hero-counter { right: 18px; }
  .scroll-note { display: none; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .form-row { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 52px; }
  .hero-lead { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .to-top { right: 16px; bottom: 16px; }
}

@media (max-width: 460px) {
  .brand-text small { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 44px; }
  .hero-arrow { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}


/* ============================================================
   Inner pages
   ============================================================ */
/* Enhanced page hero */
.page-hero {
  position: relative;
  padding: 160px 0 90px;
  overflow: hidden;
}
.page-hero::after {
  content: attr(data-watermark);
  position: absolute;
  right: 24px; bottom: 14px;
  font-family: var(--font-disp);
  font-size: 130px;
  font-weight: 800;
  color: rgba(255,255,255,.03);
  line-height: 1;
  pointer-events: none;
  letter-spacing: -.02em;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: clamp(46px, 6vw, 78px);
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.05;
}
.page-hero .breadcrumb {
  font-size: 13px;
  color: #9aa1ab;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.page-hero .breadcrumb a { color: var(--red); }
.page-hero p.lead {
  color: #c2c7cf;
  font-size: 17px;
  max-width: 560px;
  line-height: 1.7;
  padding-left: 20px;
  border-left: 3px solid var(--red);
}
.page-hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  color: #fff;
  margin-bottom: 14px;
}
.page-hero .breadcrumb {
  font-size: 14px;
  color: #9aa1ab;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.page-hero .breadcrumb a { color: var(--red); }
.page-hero p.lead { color: #c2c7cf; font-size: 18px; max-width: 620px; line-height: 1.7; }

.inner-section { padding: 90px 0; background: #0c0e12; }
.inner-section.alt { background: #10131a; }

.prod-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .prod-list-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .prod-list-grid { grid-template-columns: 1fr; } }

.prod-list-card {
  background: linear-gradient(180deg, #161a22, #10131a);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .4s, border-color .4s, box-shadow .4s;
  text-decoration: none;
  color: #fff;
  display: block;
}
.prod-list-card:hover {
  transform: translateY(-6px);
  border-color: rgba(224,32,48,.5);
  box-shadow: 0 20px 44px rgba(0,0,0,.5);
}
.prod-list-card .img { height: 220px; overflow: hidden; }
.prod-list-card .img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.prod-list-card:hover .img img { transform: scale(1.06); }
.prod-list-card .body { padding: 22px 24px; }
.prod-list-card small { color: var(--red); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }
.prod-list-card h3 { font-size: 20px; margin: 6px 0 4px; }
.prod-list-card p { color: #8a9099; font-size: 14px; }

.detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: start;
}
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-img {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.detail-img img { width: 100%; display: block; }
.detail-info h1 { color: #fff; font-size: 38px; margin-bottom: 6px; }
.detail-info .sub { color: #8a9099; font-size: 16px; margin-bottom: 26px; }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}
.spec-table td {
  padding: 13px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  font-size: 15px;
}
.spec-table td:first-child { color: #8a9099; text-transform: uppercase; font-size: 12px; letter-spacing: .12em; width: 40%; }
.spec-table td:last-child { color: #fff; font-weight: 600; text-align: right; }

.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 30px;
  background: linear-gradient(180deg, #161a22, #10131a);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  transition: transform .4s, border-color .4s;
}
.news-item:hover { transform: translateY(-4px); border-color: rgba(224,32,48,.5); }
@media (max-width: 800px) { .news-item { grid-template-columns: 1fr; } .news-item .img { height: 200px; } }
.news-item .img { overflow: hidden; }
.news-item .img img { width: 100%; height: 100%; object-fit: cover; }
.news-item .body { padding: 28px 30px 28px 0; }
.news-item .date { color: var(--red); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.news-item h3 { font-size: 22px; margin: 8px 0 10px; }
.news-item p { color: #9aa1ab; font-size: 15px; line-height: 1.7; }

.article-body { max-width: 820px; margin: 0 auto; }
.article-body h2 { color: #fff; font-size: 26px; margin: 30px 0 14px; }
.article-body p { color: #c2c7cf; font-size: 16.5px; line-height: 1.85; margin-bottom: 16px; }
.article-body img { width: 100%; border-radius: 12px; margin: 20px 0; }

.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
@media (max-width: 900px) { .about-block { grid-template-columns: 1fr; } }
.about-block img { width: 100%; border-radius: 14px; }
.about-block h2 { color: #fff; font-size: 34px; margin-bottom: 18px; }
.about-block p { color: #c2c7cf; font-size: 16px; line-height: 1.8; margin-bottom: 14px; }

.value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 40px; }
@media (max-width: 800px) { .value-grid { grid-template-columns: 1fr; } }
.value-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 28px;
}
.value-card .ico { width: 48px; height: 48px; border-radius: 10px; background: rgba(224,32,48,.15); color: var(--red); display: grid; place-items: center; margin-bottom: 16px; }
.value-card h3 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.value-card p { color: #9aa1ab; font-size: 14.5px; line-height: 1.7; }

/* About page extras */
.office-photo { position: relative; border-radius: 14px; overflow: hidden; }
.office-photo img { width: 100%; display: block; border-radius: 14px; }
.exp-badge {
  position: absolute;
  left: 24px; bottom: 24px;
  background: rgba(8,10,14,.85);
  backdrop-filter: blur(8px);
  border-left: 3px solid var(--red);
  padding: 16px 22px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.exp-badge .num {
  font-family: var(--font-disp);
  font-size: 38px;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
}
.exp-badge .txt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: #fff;
  line-height: 1.5;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 800px) { .cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .cert-grid { grid-template-columns: 1fr; } }
.cert-card {
  background: linear-gradient(180deg, #161a22, #10131a);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 36px 20px;
  text-align: center;
  transition: border-color .3s, transform .3s;
}
.cert-card:hover { border-color: rgba(224,32,48,.5); transform: translateY(-4px); }
.cert-seal {
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(224,32,48,.12);
  color: var(--red);
  display: grid;
  place-items: center;
}
.cert-card span {
  display: block;
  color: #d0d5dc;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
}

.spec-block {
  background: #141821;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  overflow: hidden;
}
.spec-block-title {
  background: linear-gradient(90deg, var(--red), var(--red-deep));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 11px 18px;
}
.spec-table { width: 100%; border-collapse: collapse; margin: 0; }
.spec-table td { padding: 11px 18px; border-bottom: 1px solid rgba(255,255,255,.06); font-size: 14.5px; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td.lbl {
  color: #8a9099;
  background: rgba(255,255,255,.02);
  width: 45%;
  font-size: 13px;
}
.spec-table td.val {
  color: #fff;
  font-weight: 600;
  text-align: right;
}
.detail-img img { background: #141821; }

/* News detail layout */
.news-detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 50px;
  align-items: start;
}
@media (max-width: 900px) { .news-detail-grid { grid-template-columns: 1fr; } }
.news-sidebar {
  position: sticky;
  top: 100px;
}
.sidebar-title {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--red);
}
.sidebar-list { display: flex; flex-direction: column; gap: 14px; }
.sidebar-item {
  display: block;
  padding: 16px 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-left: 3px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  transition: border-color .3s, background .3s;
}
.sidebar-item:hover { border-left-color: var(--red); background: rgba(224,32,48,.08); }
.s-date { display: block; font-size: 12px; color: var(--red); letter-spacing: .1em; margin-bottom: 6px; }
.s-title { display: block; font-size: 15px; color: #fff; line-height: 1.45; }

/* Contact map */
.map-section {
  width: 100%;
  line-height: 0;
  background: #0c0e12;
}
.map-section iframe { display: block; filter: grayscale(30%) contrast(1.05); }

/* Category tabs */
.cat-tabs {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px;
}
.cat-tab {
  padding: 10px 22px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 30px;
  color: #9aa1ab;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .3s;
}
.cat-tab:hover { border-color: var(--red); color: #fff; }
.cat-tab.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

/* Product grid cards (cheery-garden style) */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  grid-auto-flow: row dense;
}
.prod-grid > *:nth-child(3n+1) { grid-column: 1; }
.prod-grid > *:nth-child(3n+2) { grid-column: 2; }
.prod-grid > *:nth-child(3n+3) { grid-column: 3; }
@media (max-width: 1000px) {
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid > *:nth-child(odd) { grid-column: 1; }
  .prod-grid > *:nth-child(even) { grid-column: 2; }
}
@media (max-width: 480px) { .prod-grid { grid-template-columns: 1fr; } }.prod-card {
  background: #141821;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.prod-card:hover {
  transform: translateY(-6px);
  border-color: rgba(224,32,48,.5);
  box-shadow: 0 20px 44px rgba(0,0,0,.5);
}
.prod-card-img {
  background: #1a1f2a;
  aspect-ratio: 1;
  overflow: hidden;
}
.prod-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.prod-card:hover .prod-card-img img { transform: scale(1.06); }
.prod-card-info {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.prod-mod {
  font-family: var(--font-disp);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .04em;
}
.prod-name {
  font-size: 14px;
  color: #9aa1ab;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.prod-link {
  margin-top: 10px;
  font-size: 13px;
  color: var(--red);
  font-weight: 600;
  letter-spacing: .04em;
}

/* Product detail layout */
.pd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
@media (max-width: 900px) { .pd-grid { grid-template-columns: 1fr; } }
.pd-img {
  background: #141821;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  overflow: hidden;
}
.pd-img img { width: 100%; display: block; }
.pd-info h2 { color: #fff; font-size: 34px; margin: 6px 0 4px; }
.pd-mod { color: var(--red); font-size: 16px; font-weight: 600; margin-bottom: 24px; }

/* Products layout: left sidebar + right grid */
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) { .products-layout { grid-template-columns: 1fr; } }
.products-sidebar { position: sticky; top: 90px; }
.cat-tree {
  background: #141821;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 10px;
}
.cat-tree-title {
  font-family: var(--font-disp);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 6px;
}
.cat-l1, .cat-l2-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 14px;
  font-size: 14px;
  color: #9aa1ab;
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: all .25s;
}
.cat-l1:hover, .cat-l2-item:hover { color: #fff; background: rgba(255,255,255,.04); }
.cat-l1.active, .cat-l2-item.active { color: var(--red); background: rgba(224,32,48,.1); }
.cat-l1 .chev { transition: transform .3s; }
.cat-l1.expanded .chev { transform: rotate(180deg); }
.cat-l2 {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  padding-left: 10px;
}
.cat-l2.open { max-height: 400px; }
.cat-l2-item { padding: 9px 14px; font-size: 13.5px; }

/* Product gallery with zoom */
.pd-gallery { position: relative; }
.pd-main-img {
  background: #141821;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  aspect-ratio: 1;
}
.pd-main-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .2s ease-out;
}.pd-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.pd-thumbs img {
  width: 72px; height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: .6;
  transition: all .25s;
}
.pd-thumbs img:hover { opacity: 1; }
.pd-thumbs img.active { border-color: var(--red); opacity: 1; }

/* LDCMS template extras */
.product-card-link { display:grid; grid-template-columns:45% 55%; text-decoration:none; color:inherit; }
.spec-content { padding: 18px; color:#c2c7cf; line-height:1.8; font-size:14.5px; }
.spec-content table { width:100%; border-collapse:collapse; margin:0; }
.spec-content td { padding:10px 14px; border-bottom:1px solid rgba(255,255,255,.06); font-size:14px; }
.spec-content td:first-child { color:#8a9099; width:40%; }
.spec-content td:last-child { color:#fff; font-weight:600; }
.spec-content img { max-width:100%; height:auto; }
.spec-content h3, .spec-content h4 { color:#fff; }
.pagination {
  display:flex; justify-content:center; gap:8px;
  margin-top:44px; flex-wrap:wrap;
}
.pagination a, .pagination span {
  display:inline-flex; align-items:center; justify-content:center;
  min-width:38px; height:38px; padding:0 12px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px; color:#9aa1ab; font-size:14px;
  text-decoration:none; transition:all .25s;
}
.pagination a:hover { border-color:var(--red); color:#fff; }
.pagination .current, .pagination .active { background:var(--red); border-color:var(--red); color:#fff; }
.sidebar-item { display:flex; flex-direction:column; padding:10px; border-bottom:1px solid rgba(255,255,255,.06); text-decoration:none; }
.sidebar-item .s-date { font-size:12px; color:#8a9099; letter-spacing:.1em; }
.sidebar-item .s-title { color:#c2c7cf; font-size:14.5px; line-height:1.45; }
.sidebar-item:hover .s-title { color:var(--red); }
.article-body .date { font-size:13px; }
.news-item .img { min-height:140px; }

/* ===== Quote modal ===== */
.quote-modal {
  position: fixed; inset: 0; z-index: 1200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  visibility: hidden; opacity: 0;
  transition: opacity .35s var(--ease), visibility .35s;
}
.quote-modal.is-open { visibility: visible; opacity: 1; }
.quote-modal__overlay {
  position: absolute; inset: 0;
  background: rgba(8, 10, 13, .72);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.quote-modal__panel {
  position: relative;
  width: min(560px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  background: #101319;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 18px;
  padding: 34px 36px 30px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
  transform: translateY(24px) scale(.98);
  transition: transform .35s var(--ease);
}
.quote-modal.is-open .quote-modal__panel { transform: translateY(0) scale(1); }
.quote-modal__close {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .06);
  color: rgba(255, 255, 255, .75);
  border: 1px solid rgba(255, 255, 255, .08);
  cursor: pointer;
  transition: background .2s, color .2s;
}
.quote-modal__close:hover { background: var(--red); color: #fff; }
.quote-modal__panel h3 {
  font-size: 26px; font-weight: 800; letter-spacing: .5px;
  color: #fff; text-transform: uppercase;
  margin: 0 0 8px;
}
.quote-modal__lead {
  font-size: 14px; line-height: 1.6;
  color: rgba(255, 255, 255, .66);
  margin: 0 0 24px;
}
.quote-form { display: flex; flex-direction: column; gap: 16px; }
.quote-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quote-form__field { display: flex; flex-direction: column; gap: 7px; flex: 1; }
.quote-form__field > span {
  font-size: 11px; font-weight: 700; letter-spacing: 1.6px;
  color: rgba(255, 255, 255, .55);
}
.quote-form__field input,
.quote-form__field select,
.quote-form__field textarea {
  width: 100%;
  background: #161b22;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  padding: 12px 14px;
  transition: border-color .2s;
}
.quote-form__field input:focus,
.quote-form__field select:focus,
.quote-form__field textarea:focus {
  outline: none;
  border-color: var(--red);
}
.quote-form__field textarea { resize: vertical; min-height: 90px; }
.quote-form__field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23888' stroke-width='1.6' d='M1 1.5 6 6.5 11 1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.quote-form__field select option { background: #161b22; color: #fff; }
.quote-form__submit { align-self: flex-start; margin-top: 4px; min-width: 170px; justify-content: center; }
.quote-form__note { font-size: 13px; margin: 0; min-height: 18px; }
.quote-form__note.err { color: #ff6b6b; }
.quote-form__note.ok { color: #6bffa0; }
@media (max-width: 560px) {
  .quote-form__row { grid-template-columns: 1fr; }
  .quote-modal__panel { padding: 26px 22px 22px; }
}

/* Mobile submenu white text fix */
.m-sub button,
.m-sub a {
  color: #ffffff !important;
  font-weight: 500 !important;
  opacity: 1 !important;
}
.m-sub button:hover,
.m-sub a:hover {
  color: var(--red) !important;
  background: rgba(224, 32, 48, .15) !important;
}}}


html, body {
  height: auto !important;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.mobile-bottom-nav {
  position: fixed !important;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px !important;
  z-index: 100;
}


/* 手机端把回到顶部按钮抬高，避免遮挡底部导航 */
@media (max-width: 768px) {
  #to-top {
    bottom: 80px !important;
  }
  
  .hero,
  .hero-slider,
  .hero-slide,
  .banner,
  .carousel,
  section:first-of-type {
    height: calc(100vh - 56px) !important;
    min-height: calc(100vh - 56px) !important;
    padding-bottom: 56px !important;
  }
  
  
  .hero h1,
  .hero-title,
  .hero-heading,
  .banner h1 {
    font-size: 24px !important;
    line-height: 1.2 !important;
  }
  .hero .eyebrow,
  .hero-badge,
  .hero-small,
  .banner .eyebrow {
    font-size: 12px !important;
    letter-spacing: 1px !important;
  }
  .hero p,
  .hero-description,
  .hero-lead,
  .banner p {
    font-size: 14px !important;
    line-height: 1.5 !important;
  }
  
  .site-footer {
    padding-bottom: 70px !important;
  }
  
}

```
/* ===== 手机端产品页优化 ===== */
@media (max-width: 900px) {
  .products-layout { grid-template-columns: 1fr; }
  .products-sidebar { position: static; overflow: visible; margin-bottom: 24px; }

  /* 分类树容器：一级横排（自动换行成一排） */
  .cat-tree {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 8px;
  }
  .cat-tree-title { display: none; }

  /* 一级分类：一排胶囊按钮 */
  .cat-tree .cat-l1 {
    flex: 0 0 auto;
    width: auto;
    white-space: nowrap;
    padding: 9px 16px;
    justify-content: center;
    gap: 6px;
    border-radius: 30px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    font-size: 13px;
  }
  .cat-tree .cat-l1.active,
  .cat-tree .cat-l1.expanded {
    background: var(--red);
    border-color: var(--red);
    color: #fff;
  }
  .cat-tree .cat-l1 .chev { display: none; }

  /* 二级菜单：独占一行（第二排），内部横排 */
  .cat-tree .cat-l2 {
    flex-basis: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0 0 2px;
    overflow: visible;
  }
  .cat-tree .cat-l2-item {
    flex: 0 0 auto;
    width: auto;
    white-space: nowrap;
    padding: 8px 14px;
    border-radius: 30px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    font-size: 12.5px;
    justify-content: center;
  }
  .cat-tree .cat-l2-item.active {
    background: rgba(224,32,48,.15);
    border-color: var(--red);
    color: var(--red);
  }
}

@media (max-width: 480px) {
  .prod-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
  .prod-card-info { padding: 12px 14px; }
  .prod-mod { font-size: 16px; }
  .prod-name { font-size: 12px; }
  
  .products-sidebar {
    position:relative;
    top:0px;
   }
}

/* ===== 手机端首页产品区：图上文下方卡网格 ===== */
@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  /* 卡片和链接都改为纵向：图在上、文字在下 */
  .product-card,
  .product-card .product-card-link {
    display: block !important;
  }
  .product-card .product-img {
    aspect-ratio: 1;
    min-height: 0;
  }
  .product-card .product-body {
    padding: 12px 14px 14px;
  }
  .product-card .product-body small {
    font-size: 10px;
    margin-bottom: 2px;
  }
  .product-card .product-body h3 {
    font-size: 16px;
    margin-bottom: 2px;
  }
  .product-card .product-body p {
    font-size: 12px;
    margin-bottom: 4px;
  }
  /* 隐藏参数和右上角箭头，保持卡片简洁 */
  .product-card .product-specs,
  .product-card .product-arrow {
    display: none !important;
  }
}

/* 内页banner背景宽高平铺，不裁切不重复 */
.page-hero {
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center center;
}

.pd-info h4 {
    color: #FFFFFF;
    font-size: 16px;
    margin-top: 5px;
    margin-bottom: 10px;
}

/* 1000-1100宽度下产品卡片图上文下，避免左图右文文字区过窄导致参数竖排 */
@media (max-width: 1100px) {
  .product-card .product-card-link {
    grid-template-columns: 1fr !important;
  }
  .product-card .product-img {
    aspect-ratio: 16 / 10 !important;
  }
  .desktop-nav { gap: 14px !important; }
  .nav-link { font-size: 12px !important; letter-spacing: .08em !important; gap: 4px !important; padding: 6px 0 !important; }
  .header-cta { font-size: 12px !important; padding: 8px 14px !important; }
  .page-hero { padding: 120px 0 60px !important; }
  .page-hero h1 { font-size: clamp(30px, 4.5vw, 48px) !important; }
  .page-hero p.lead { font-size: 14px !important; }
  .page-hero::after { font-size: 80px !important; right: 14px !important; bottom: 8px !important; }
}

/* ===== Mobile hero banners (vertical, product fully visible) ===== */
@media (max-width: 900px) {
  .hero-slide:nth-of-type(1) .hero-bg {
    background-image: url('https://aka.doubaocdn.com/s/A1AVrpm5FA') !important;
    background-position: center center !important;
    background-size: cover !important;
    inset: 0 !important;
  }
  .hero-slide:nth-of-type(2) .hero-bg {
    background-image: url('https://aka.doubaocdn.com/s/aF0aXQiNIk') !important;
    background-position: center center !important;
    background-size: cover !important;
    inset: 0 !important;
  }
  .hero-slide:nth-of-type(3) .hero-bg {
    background-image: url('https://aka.doubaocdn.com/s/WWB3FF4cPT') !important;
    background-position: center center !important;
    background-size: cover !important;
    inset: 0 !important;
  }
  .hero-copy {
    position: absolute !important;
    top: 6% !important;
    left: 5% !important;
    right: 5% !important;
    transform: none !important;
    text-align: left !important;
  }
  .hero-copy h1 {
    font-size: clamp(26px, 7vw, 38px) !important;
    line-height: 1.15 !important;
  }
  .hero-copy .eyebrow {
    font-size: 10px !important;
    letter-spacing: 0.15em !important;
  }
  .hero-lead {
    font-size: 12px !important;
    margin-top: 10px !important;
  }
  .hero-actions {
    margin-top: 16px !important;
    gap: 10px !important;
  }
  .hero-actions .btn, .hero-actions .btn-primary {
    padding: 10px 18px !important;
    font-size: 12px !important;
  }
}