/* ============================================================
   端云化学 · 设计系统与页面样式
   DUANYUN CHEMICAL — visual system
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --red: #c8342d;
  --red-dark: #9d241f;
  --red-deep: #7c1b17;
  --red-soft: #fbf1ed;
  --red-wash: #f6e3de;
  --ink: #171a1d;
  --ink-2: #292d31;
  --ink-3: #3a3f44;
  --muted: #686d72;
  --muted-2: #8d9297;
  --line: #e6e1d8;
  --line-strong: #d4cec3;
  --paper: #fcfaf6;
  --paper-2: #f5f1e9;
  --paper-3: #efe9dd;
  --white: #ffffff;
  --gold: #b3874c;
  --teal: #176b63;
  --green: #2d7a54;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --container: 1320px;
  --shadow-sm: 0 2px 8px rgba(23, 26, 29, 0.05);
  --shadow-md: 0 16px 40px rgba(23, 26, 29, 0.1);
  --shadow-lg: 0 30px 70px rgba(23, 26, 29, 0.16);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

[id] { scroll-margin-top: 76px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, dl, dd, dt { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg { display: block; }
::selection { background: var(--red); color: #fff; }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.container {
  width: min(var(--container), calc(100% - 80px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 9999;
  padding: 10px 18px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.4;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--red);
}
.eyebrow--plain::before { display: none; }

.display {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

.section {
  position: relative;
  padding: 92px 0;
}
.section--tight { padding: 64px 0; }
.section--paper { background: var(--paper); }
.section--warm { background: var(--paper-2); }
.section--ink { background: var(--ink); color: #fff; }
.section--line { border-top: 1px solid var(--line); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 38px;
}
.section-head h2 {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: clamp(28px, 2.6vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.section-head .sub {
  margin-top: 10px;
  max-width: 620px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.section-head__aside {
  flex-shrink: 0;
  padding-bottom: 4px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.link-more svg { transition: transform 0.25s var(--ease); }
.link-more:hover { color: var(--red); }
.link-more:hover svg { transform: translateX(4px); }

.icon { width: 18px; height: 18px; flex: none; }
.icon-sm { width: 14px; height: 14px; flex: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 24px;
  border: 1px solid var(--red);
  background: var(--red);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.btn:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-1px);
}
.btn svg { width: 15px; height: 15px; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  background: var(--white);
  color: var(--red);
  border-color: var(--red);
}
.btn--dark {
  background: var(--ink);
  border-color: var(--ink);
}
.btn--dark:hover {
  background: #000;
  border-color: #000;
}
.btn--light {
  background: #fff;
  border-color: #fff;
  color: var(--ink);
}
.btn--light:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--red);
}
.btn--sm { min-height: 38px; padding: 0 16px; font-size: 12.5px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }

.text-red { color: var(--red); }
.mono { font-family: var(--mono); }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--red);
  color: rgba(255, 255, 255, 0.94);
  font-size: 11.5px;
  letter-spacing: 0.01em;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 34px;
}
.topbar__contacts,
.topbar__links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.topbar a,
.topbar span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}
.topbar a { transition: opacity 0.2s; }
.topbar a:hover { opacity: 0.75; }
.topbar svg { width: 13px; height: 13px; opacity: 0.9; }
.topbar__links { gap: 16px; }
.topbar__links .sep {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.35);
}

/* ---------- Header ---------- */
.masthead {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.masthead__inner {
  display: flex;
  align-items: center;
  gap: 44px;
  min-height: 96px;
}
.brand {
  display: flex;
  align-items: center;
  flex: none;
  width: 252px;
}
.brand img { width: 100%; height: auto; }
.brand__text { display: none; }

.search {
  position: relative;
  flex: 1;
  min-width: 0;
  max-width: 670px;
  display: flex;
  align-items: stretch;
  height: 46px;
  border: 1px solid var(--ink);
  background: #fff;
}
.search__input {
  flex: 1;
  min-width: 0;
  border: 0;
  padding: 0 16px;
  font-size: 13.5px;
  background: transparent;
  outline: none;
}
.search__input::placeholder { color: #9a9e9f; }
.search__submit {
  width: 56px;
  border: 0;
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  transition: background 0.2s;
}
.search__submit:hover { background: var(--red-dark); }
.search__submit svg { width: 19px; height: 19px; }
.search__structure {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-left: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 11.5px;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}
.search__structure:hover { background: var(--red-soft); color: var(--red); }
.search__structure svg { width: 22px; height: 22px; color: var(--red); }
.search__structure b { display: block; font-size: 11.5px; font-weight: 700; }
.search__structure small { display: block; color: var(--muted); font-size: 9.5px; letter-spacing: 0.04em; }
.search__hot {
  position: absolute;
  left: 0;
  top: calc(100% + 9px);
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  color: var(--muted);
  font-size: 10.5px;
  white-space: nowrap;
  overflow: hidden;
}
.search__hot span { color: #a2a5a6; }
.search__hot a { color: var(--muted); transition: color 0.2s; }
.search__hot a:hover { color: var(--red); }
.search__suggest {
  position: absolute;
  z-index: 950;
  left: -1px;
  right: -1px;
  top: calc(100% + 2px);
  background: #fff;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md);
  display: none;
}
.search__suggest.is-open { display: block; }
.search__suggest-head {
  padding: 10px 16px 8px;
  border-bottom: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.suggest-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  border-bottom: 1px solid #f0ede7;
  transition: background 0.15s;
}
.suggest-item:last-child { border-bottom: 0; }
.suggest-item:hover { background: var(--red-soft); }
.suggest-item img {
  width: 54px;
  height: 38px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.6) saturate(1.1);
  flex: none;
}
.suggest-item__body { min-width: 0; flex: 1; }
.suggest-item__body strong {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.suggest-item__body span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}
.suggest-item__price { color: var(--red); font-size: 11px; font-weight: 600; }
.search__suggest-empty {
  padding: 22px 16px;
  color: var(--muted);
  font-size: 12px;
}

.masthead__utils {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  flex: none;
}
.util {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 66px;
  height: 52px;
  padding: 0 8px;
  color: var(--ink-2);
  font-size: 10px;
  line-height: 1;
  position: relative;
  transition: color 0.2s, background 0.2s;
}
.util:hover { color: var(--red); background: var(--red-soft); }
.util svg { width: 19px; height: 19px; stroke-width: 1.6; }
.util__count {
  position: absolute;
  top: 6px;
  right: 8px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 20px;
  background: var(--red);
  color: #fff;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
}
.util__count:empty,
.util__count[data-count="0"] { display: none; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 800;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: flex;
  align-items: stretch;
  min-height: 54px;
}
.nav__menu {
  display: flex;
  align-items: stretch;
  flex: 1;
}
.nav__item { position: relative; display: flex; }
.nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 54px;
  padding: 0 21px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 21px;
  right: 21px;
  bottom: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav__link:hover { color: var(--red); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link.is-active {
  background: var(--red);
  color: #fff;
}
.nav__link.is-active::after { display: none; }
.nav__link .icon-down { width: 10px; height: 10px; transition: transform 0.2s; }
.nav__item:hover .icon-down { transform: rotate(180deg); }
.nav__aside {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  padding-left: 20px;
  font-size: 11.5px;
  color: var(--muted);
}
.nav__aside a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.nav__aside a:hover { color: var(--red); }
.nav__aside svg { width: 13px; height: 13px; }
.nav__divider { width: 1px; height: 13px; background: var(--line-strong); }

/* Mega menu */
.mega {
  position: absolute;
  z-index: 900;
  top: 100%;
  left: -1px;
  width: min(1060px, calc(100vw - 110px));
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  padding: 34px 36px 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr) 210px;
  gap: 28px 34px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
}
.nav__item:hover .mega,
.nav__item:focus-within .mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega__group h4 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}
.mega__group h4 span {
  display: block;
  margin-top: 3px;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.mega__group a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  color: var(--muted);
  font-size: 12.5px;
  transition: color 0.18s, padding-left 0.18s;
}
.mega__group a:hover { color: var(--red); padding-left: 3px; }
.mega__group a em {
  color: #a8aaa8;
  font-family: var(--mono);
  font-size: 9px;
  font-style: normal;
}
.mega__promo {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 240px;
}
.mega__promo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  transition: transform 0.6s var(--ease);
}
.mega:hover .mega__promo img { transform: scale(1.05); }
.mega__promo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 10%, rgba(15, 17, 19, 0.94) 100%);
}
.mega__promo > * { position: relative; z-index: 1; }
.mega__promo .eyebrow { color: #f0c9a4; font-size: 9px; }
.mega__promo strong {
  display: block;
  margin: 10px 0 6px;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.4;
}
.mega__promo p { color: rgba(255, 255, 255, 0.65); font-size: 11px; line-height: 1.7; }
.mega__promo .link-more { margin-top: 14px; color: #fff; font-size: 11px; }
.mega__promo .link-more:hover { color: #f0c9a4; }

.menu-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--paper-2);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  left: -180px;
  bottom: -300px;
  width: 680px;
  height: 680px;
  border: 1px solid rgba(200, 52, 45, 0.12);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  left: -90px;
  bottom: -210px;
  width: 500px;
  height: 500px;
  border: 1px solid rgba(200, 52, 45, 0.1);
  border-radius: 50%;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  min-height: 550px;
}
.hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 58px 56px 48px 0;
}
.hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 21px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero__kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--red);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(44px, 4.7vw, 68px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
}
.hero h1 em {
  color: var(--red);
  font-style: normal;
}
.hero h1 .thin {
  font-weight: 400;
  color: var(--ink-3);
}
.hero__lead {
  max-width: 530px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.hero__lead b { color: var(--ink); font-weight: 600; }

.hero-search {
  display: flex;
  align-items: stretch;
  height: 50px;
  max-width: 535px;
  margin-top: 28px;
  border: 1px solid var(--ink);
  background: #fff;
}
.hero-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  padding: 0 16px;
  background: transparent;
  font-size: 13px;
  outline: none;
}
.hero-search input::placeholder { color: #9a9e9f; }
.hero-search button {
  border: 0;
  padding: 0 22px;
  background: var(--ink);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  transition: background 0.2s;
}
.hero-search button:hover { background: var(--red); }
.hero__hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 12px;
  color: var(--muted-2);
  font-size: 10.5px;
}
.hero__hot a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.hero__hot a:hover { color: var(--red); border-color: var(--red); }
.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}
.hero__stat {
  padding-right: 34px;
  margin-right: 34px;
  border-right: 1px solid var(--line-strong);
}
.hero__stat:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero__stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.hero__stat strong span {
  display: inline;
  margin: 0;
  color: var(--red);
  font-size: 0.55em;
  vertical-align: 0.4em;
}
.hero__stat > span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.02em;
}

.hero__visual {
  position: relative;
  min-height: 550px;
  overflow: hidden;
  background: var(--ink);
}
.hero__visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% center;
  filter: saturate(0.82) contrast(1.02);
  animation: heroZoom 12s var(--ease) both;
}
@keyframes heroZoom {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}
.hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(18, 20, 22, 0.32) 0%, transparent 34%, transparent 58%, rgba(18, 20, 22, 0.6) 100%),
    linear-gradient(90deg, rgba(18, 20, 22, 0.12), transparent 45%);
}
.hero__visual::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 26px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  pointer-events: none;
}
.hero__caption {
  position: absolute;
  z-index: 2;
  top: 44px;
  left: 44px;
  color: #fff;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.8;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}
.hero__caption span { color: rgba(255, 255, 255, 0.65); }
.hero__corner {
  position: absolute;
  z-index: 2;
  right: 44px;
  bottom: 44px;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.13em;
  text-align: right;
  line-height: 1.8;
  text-transform: uppercase;
}
.hero__molecule {
  position: absolute;
  z-index: 2;
  left: 38px;
  bottom: 38px;
  width: 168px;
  height: auto;
  opacity: 0.4;
  color: #fff;
}
.hero-feature {
  position: absolute;
  z-index: 3;
  right: 36px;
  top: 100px;
  width: 246px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}
.hero-feature__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.hero-feature__label {
  color: var(--red);
  font-family: var(--mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-feature__code {
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 9px;
}
.hero-feature__img {
  height: 112px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(#ddd7cc 0.7px, transparent 0.8px) 0 0 / 12px 12px,
    #fff;
  margin-bottom: 12px;
}
.hero-feature__img img {
  width: 94%;
  height: 104px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.7) saturate(1.15);
}
.hero-feature h3 {
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.5;
}
.hero-feature p {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9.5px;
}
.hero-feature__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.hero-feature__foot span { color: var(--green); font-size: 10px; font-weight: 600; }
.hero-feature__foot a { color: var(--red); font-size: 10px; font-weight: 700; }
.hero__badge {
  position: absolute;
  z-index: 2;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 14px 10px;
  background: var(--red);
  color: #fff;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---------- Category strip ---------- */
.cat-strip {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.cat-strip__inner {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}
.cat-strip__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 128px;
  padding: 24px 20px 20px;
  border-left: 1px solid var(--line);
  transition: background 0.25s;
}
.cat-strip__item:first-child { border-left: 0; }
.cat-strip__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.cat-strip__item:hover { background: var(--paper); }
.cat-strip__item:hover::before { transform: scaleX(1); }
.cat-strip__icon {
  width: 26px;
  height: 26px;
  color: var(--red);
  margin-bottom: 2px;
}
.cat-strip__icon svg { width: 100%; height: 100%; }
.cat-strip__name {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
}
.cat-strip__en {
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.03em;
  line-height: 1.4;
  text-transform: uppercase;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cat-strip__count {
  margin-top: auto;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9.5px;
}
.cat-strip__count b { color: var(--ink); font-weight: 600; }

/* ---------- Product cards ---------- */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.product-tab {
  position: relative;
  border: 0;
  background: none;
  padding: 11px 18px 13px;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 500;
  transition: color 0.2s;
}
.product-tab::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.22s;
}
.product-tab:hover { color: var(--ink); }
.product-tab.is-active { color: var(--red); font-weight: 600; }
.product-tab.is-active::after { transform: scaleX(1); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.product-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.product-card:hover {
  border-color: rgba(200, 52, 45, 0.5);
  box-shadow: 0 14px 32px rgba(23, 26, 29, 0.09);
  transform: translateY(-3px);
  z-index: 2;
}
.product-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px 0;
}
.product-card__code {
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.02em;
}
.product-card__badges {
  display: flex;
  gap: 4px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  height: 17px;
  padding: 0 5px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
}
.badge--new { background: var(--red); color: #fff; }
.badge--stock { color: var(--green); border: 1px solid rgba(45, 122, 84, 0.35); background: #f2f8f4; }
.badge--custom { color: var(--gold); border: 1px solid rgba(179, 135, 76, 0.35); background: #fbf6ed; }

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0 14px 13px;
}
.product-card__structure {
  position: relative;
  height: 142px;
  margin: 8px -2px 10px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(#ded8cc 0.7px, transparent 0.8px) 0 0 / 12px 12px;
}
.product-card__structure img {
  width: 93%;
  height: 130px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.7) saturate(1.15);
  transition: transform 0.35s var(--ease);
}
.product-card:hover .product-card__structure img { transform: scale(1.045); }
.product-card__name {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.5;
  min-height: 40px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card__name:hover { color: var(--red); }
.product-card__en {
  margin-top: 2px;
  color: var(--muted-2);
  font-size: 9.5px;
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px dotted var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}
.product-card__meta b { color: var(--ink-2); font-weight: 500; }
.product-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 14px;
  border-top: 1px solid var(--line);
  background: #fdfcf9;
}
.product-card__price {
  color: var(--ink);
  font-size: 10.5px;
  font-weight: 600;
}
.product-card__price small {
  display: block;
  margin-top: 1px;
  color: var(--muted-2);
  font-size: 8.5px;
  font-weight: 400;
}
.product-card__add {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--red);
  font-size: 10px;
  font-weight: 700;
  transition: color 0.2s;
}
.product-card__add svg { width: 12px; height: 12px; }
.product-card__add:hover { color: var(--red-deep); }
.product-card__fav {
  position: absolute;
  top: 34px;
  right: 10px;
  z-index: 2;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 0;
  background: rgba(255, 255, 255, 0.9);
  color: #a8aaa8;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
}
.product-card:hover .product-card__fav { opacity: 1; }
.product-card__fav:hover,
.product-card__fav.is-on { color: var(--red); }
.product-card__fav svg { width: 14px; height: 14px; }

/* ---------- Proof / capability band ---------- */
.proof {
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.proof__inner {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  min-height: 420px;
}
.proof__copy {
  padding: 68px 64px 60px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.proof .eyebrow { color: #eab8a0; }
.proof .eyebrow::before { background: #eab8a0; }
.proof h2 {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.02em;
}
.proof h2 em { color: #e9b18f; font-style: normal; }
.proof__copy p {
  margin-top: 18px;
  max-width: 430px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  line-height: 1.9;
}
.proof__copy .link-more { margin-top: 26px; color: #fff; }
.proof__copy .link-more:hover { color: #e9b18f; }
.proof__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}
.proof__stat {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 38px 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.proof__stat:nth-child(even) { border-right: 0; }
.proof__stat:nth-child(n + 3) { border-bottom: 0; }
.proof__stat::after {
  content: attr(data-index);
  position: absolute;
  right: 14px;
  bottom: 4px;
  color: rgba(255, 255, 255, 0.05);
  font-family: var(--serif);
  font-size: 84px;
  line-height: 1;
}
.proof__stat strong {
  position: relative;
  z-index: 1;
  font-family: var(--serif);
  font-size: clamp(34px, 3.2vw, 48px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
}
.proof__stat strong span {
  color: var(--red);
  font-size: 0.5em;
  vertical-align: 0.45em;
}
.proof__stat > span {
  position: relative;
  z-index: 1;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 11.5px;
  letter-spacing: 0.03em;
}

/* ---------- New products ---------- */
.new-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

/* ---------- Synthesis ---------- */
.synthesis {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  background: var(--paper-2);
  min-height: 540px;
}
.synthesis__visual {
  position: relative;
  min-height: 500px;
  overflow: hidden;
}
.synthesis__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.72);
}
.synthesis__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 23, 25, 0.05), rgba(20, 23, 25, 0.38));
}
.synthesis__tag {
  position: absolute;
  z-index: 2;
  left: 28px;
  bottom: 28px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.94);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  text-transform: uppercase;
}
.synthesis__tag b { display: block; color: var(--red); font-size: 11px; }
.synthesis__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px clamp(28px, 4vw, 64px);
}
.synthesis__body h2 {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -0.02em;
}
.synthesis__body > p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin: 24px 0 26px;
  border-top: 1px solid var(--line-strong);
}
.process-step {
  padding: 16px 20px 16px 0;
  border-bottom: 1px solid var(--line);
}
.process-step:nth-child(odd) { border-right: 1px solid var(--line); }
.process-step:nth-child(even) { padding-left: 20px; }
.process-step__no,
.process-no {
  display: block;
  color: var(--red);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}
.process-step strong {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
}
.process-step span:last-child {
  display: block;
  margin-top: 2px;
  color: var(--muted-2);
  font-size: 10.5px;
}
.synthesis__actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Sector cards ---------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.sector-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 330px;
  padding: 28px 26px;
  color: #fff;
  overflow: hidden;
  background: var(--ink);
}
.sector-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
  transition: transform 0.7s var(--ease), opacity 0.4s;
}
.sector-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 18, 20, 0.12) 6%, rgba(15, 18, 20, 0.82) 100%);
  transition: opacity 0.4s;
}
.sector-card:hover img { transform: scale(1.055); opacity: 0.7; }
.sector-card > * { position: relative; z-index: 1; }
.sector-card__no {
  position: absolute;
  top: 22px;
  left: 26px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.65);
}
.sector-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
}
.sector-card p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 11.5px;
  line-height: 1.7;
}
.sector-card__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 15px;
  color: #fff;
  font-size: 10.5px;
  font-weight: 600;
}
.sector-card__link svg { width: 12px; height: 12px; transition: transform 0.2s; }
.sector-card:hover .sector-card__link svg { transform: translateX(3px); }
.sector-card__link:hover { color: #f0c9a4; }

/* ---------- Insights ---------- */
.insights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
}
.insight {
  display: flex;
  flex-direction: column;
  padding: 28px 32px 30px 0;
  border-right: 1px solid var(--line);
  min-height: 240px;
  transition: background 0.25s;
}
.insight + .insight { padding-left: 32px; }
.insight:last-child { border-right: 0; padding-right: 0; }
.insight:hover { background: var(--paper); }
.insight__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
}
.insight__meta span:first-child { color: var(--red); }
.insight h3 {
  margin-top: 14px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.01em;
}
.insight p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.insight__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 18px;
  color: var(--muted-2);
  font-size: 10px;
}
.insight__foot .link-more { font-size: 10.5px; }

/* ---------- Footer ---------- */
.footer-cta {
  background: var(--red);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.footer-cta::after {
  content: "DY";
  position: absolute;
  right: 4vw;
  top: -48px;
  color: rgba(255, 255, 255, 0.06);
  font-family: var(--serif);
  font-size: 230px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.08em;
  pointer-events: none;
}
.footer-cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  min-height: 158px;
}
.footer-cta h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 500;
  line-height: 1.4;
}
.footer-cta p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}
.newsletter {
  display: flex;
  align-items: stretch;
  width: min(480px, 100%);
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.55);
}
.newsletter input {
  flex: 1;
  min-width: 0;
  border: 0;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 12px;
  outline: none;
}
.newsletter input::placeholder { color: rgba(255, 255, 255, 0.65); }
.newsletter button {
  border: 0;
  padding: 0 22px;
  background: #fff;
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  transition: background 0.2s;
}
.newsletter button:hover { background: var(--paper-2); }

.footer {
  background: #f2eee6;
  padding: 64px 0 0;
  color: var(--ink-2);
}
.footer__main {
  display: grid;
  grid-template-columns: 1.45fr repeat(4, 0.8fr) 1.15fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer__brand .brand { width: 230px; margin-bottom: 20px; }
.footer__brand p {
  max-width: 280px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.9;
}
.footer__contact { margin-top: 18px; }
.footer__contact a,
.footer__contact div {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 3px 0;
  color: var(--ink-2);
  font-size: 11.5px;
}
.footer__contact svg { width: 14px; height: 14px; color: var(--red); flex: none; }
.footer__contact a:hover { color: var(--red); }
.footer__col h3 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}
.footer__col a {
  display: block;
  padding: 4px 0;
  color: var(--muted);
  font-size: 11.5px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer__col a:hover { color: var(--red); padding-left: 3px; }
.footer__cert h3 { margin-bottom: 16px; font-size: 12px; font-weight: 700; }
.cert-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.cert-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.5);
  line-height: 1.2;
}
.cert-chip strong {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
}
.cert-chip span { color: var(--muted); font-size: 8px; }
.footer__note {
  margin-top: 16px;
  color: var(--muted-2);
  font-size: 9.5px;
  line-height: 1.7;
}
.footer__bottom {
  background: var(--red);
  color: rgba(255, 255, 255, 0.9);
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 54px;
  font-size: 10px;
}
.footer__bottom a { color: #fff; }
.footer__bottom a:hover { text-decoration: underline; }
.footer__bottom-links { display: flex; gap: 18px; }
.footer__bottom-links a { color: rgba(255, 255, 255, 0.78); }

/* ---------- Side rail ---------- */
.side-rail {
  position: fixed;
  z-index: 700;
  right: 10px;
  top: 58%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1px;
  width: 46px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.side-rail__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 48px;
  border: 0;
  background: #fff;
  color: var(--ink);
  font-size: 8.5px;
  line-height: 1;
  transition: background 0.2s, color 0.2s;
}
.side-rail__item:hover { background: var(--red); color: #fff; }
.side-rail__item svg { width: 17px; height: 17px; }
.side-rail__item:first-child { background: var(--red); color: #fff; }
.side-rail__item:first-child:hover { background: var(--red-dark); }
.side-rail__count {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 14px;
  height: 14px;
  padding: 0 3px;
  border-radius: 20px;
  background: var(--ink);
  color: #fff;
  font-family: var(--mono);
  font-size: 8px;
  line-height: 14px;
  text-align: center;
}
.side-rail__item:first-child .side-rail__count { background: #fff; color: var(--red); }

/* ---------- Page hero ---------- */
.page-hero {
  position: relative;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  min-height: 250px;
  padding: 48px 0 44px;
}
.page-hero__copy { max-width: 760px; }
.page-hero h1 {
  margin-top: 14px;
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.page-hero p {
  max-width: 620px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}
.page-hero__stats {
  display: flex;
  gap: 34px;
  flex: none;
  padding-bottom: 4px;
}
.page-hero__stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  line-height: 1.1;
}
.page-hero__stat span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 9.5px;
}
.page-hero__bg {
  position: absolute;
  right: 0;
  top: 0;
  width: 42%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(0.2);
  mask-image: linear-gradient(90deg, transparent, #000 60%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 10.5px;
}
.breadcrumb a:hover { color: var(--red); }
.breadcrumb svg { width: 9px; height: 9px; }

/* ---------- Catalog ---------- */
.catalog {
  display: grid;
  grid-template-columns: 238px 1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0 90px;
}
.filter-toggle { display: none; }
.filters {
  border: 1px solid var(--line);
  background: #fff;
}
.filters__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}
.filters__clear {
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 400;
}
.filters__clear:hover { color: var(--red); }
.filter-group {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}
.filter-group:last-child { border-bottom: 0; }
.filter-group h3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 11.5px;
  font-weight: 700;
}
.filter-group h3 svg { width: 11px; height: 11px; color: var(--muted-2); }
.filter-list { display: flex; flex-direction: column; gap: 1px; }
.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  transition: color 0.18s;
}
.filter-option:hover { color: var(--ink); }
.filter-option input {
  appearance: none;
  width: 13px;
  height: 13px;
  flex: none;
  margin: 0;
  border: 1px solid #c9c4ba;
  background: #fff;
  display: grid;
  place-items: center;
  transition: background 0.15s, border-color 0.15s;
}
.filter-option input[type="radio"] { border-radius: 50%; }
.filter-option input:checked {
  border-color: var(--red);
  background: var(--red);
}
.filter-option input[type="checkbox"]:checked::after {
  content: "";
  width: 7px;
  height: 4px;
  border-left: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}
.filter-option input[type="radio"]:checked::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff;
}
.filter-option.is-active { color: var(--red); font-weight: 600; }
.filter-option em {
  margin-left: auto;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 8.5px;
  font-style: normal;
}
.filter-note {
  padding: 16px 18px;
  background: var(--paper);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.8;
}
.filter-note strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 10.5px; }

.catalog__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}
.catalog__title {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 600;
  line-height: 1.2;
}
.catalog__title small {
  margin-left: 10px;
  color: var(--muted-2);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
}
.catalog__sub { margin-top: 6px; color: var(--muted); font-size: 11px; }
.catalog-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--paper);
}
.catalog-toolbar__search {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  background: #fff;
}
.catalog-toolbar__search svg { width: 13px; height: 13px; color: var(--muted-2); flex: none; }
.catalog-toolbar__search input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  font-size: 11px;
}
.catalog-toolbar__count {
  color: var(--muted);
  font-size: 10.5px;
  white-space: nowrap;
}
.catalog-toolbar__count b { color: var(--ink); font-family: var(--mono); font-weight: 600; }
.catalog-toolbar select {
  height: 34px;
  border: 1px solid var(--line-strong);
  background: #fff;
  padding: 0 8px;
  font-size: 10.5px;
  outline: none;
}
.view-toggle { display: flex; border: 1px solid var(--line-strong); }
.view-toggle button {
  width: 34px;
  height: 34px;
  border: 0;
  background: #fff;
  color: var(--muted);
  display: grid;
  place-items: center;
}
.view-toggle button + button { border-left: 1px solid var(--line-strong); }
.view-toggle button.is-active { background: var(--ink); color: #fff; }
.view-toggle svg { width: 14px; height: 14px; }

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-bottom: 0;
  min-height: 0;
}
.active-filters:empty { display: none; }
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 24px;
  padding: 0 8px;
  border: 1px solid var(--red);
  background: var(--red-soft);
  color: var(--red);
  font-size: 9.5px;
}
.filter-chip button {
  border: 0;
  background: none;
  padding: 0;
  color: currentColor;
  display: grid;
  place-items: center;
}
.filter-chip svg { width: 10px; height: 10px; }

.catalog__body { border: 1px solid var(--line); border-top: 0; padding: 14px; background: #fff; }
.catalog__body .product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.catalog-empty {
  padding: 80px 20px;
  text-align: center;
}
.catalog-empty svg { width: 44px; height: 44px; margin: 0 auto 14px; color: var(--line-strong); }
.catalog-empty h3 { font-family: var(--serif); font-size: 22px; font-weight: 500; }
.catalog-empty p { margin-top: 8px; color: var(--muted); font-size: 12px; }
.catalog-empty .btn { margin-top: 20px; }
.load-more-wrap { display: flex; justify-content: center; margin-top: 24px; }

/* List view */
.product-grid.is-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.product-grid.is-list .product-card {
  display: grid;
  grid-template-columns: 120px 1fr 150px;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--line);
  transform: none;
  box-shadow: none;
}
.product-grid.is-list .product-card__head { grid-column: 2; grid-row: 1; padding: 14px 14px 0; justify-content: flex-start; gap: 12px; }
.product-grid.is-list .product-card__structure {
  grid-column: 1;
  grid-row: 1 / span 2;
  height: 100px;
  margin: 0;
}
.product-grid.is-list .product-card__structure img { height: 88px; }
.product-grid.is-list .product-card__body { grid-column: 2; grid-row: 1; padding: 34px 14px 12px; }
.product-grid.is-list .product-card__en { max-width: 480px; }
.product-grid.is-list .product-card__meta { border-top: 0; padding-top: 4px; justify-content: flex-start; gap: 18px; }
.product-grid.is-list .product-card__foot {
  grid-column: 3;
  grid-row: 1 / span 2;
  height: 100%;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  border-top: 0;
  border-left: 1px solid var(--line);
  background: var(--paper);
  padding: 16px;
}
.product-grid.is-list .product-card__fav { top: 12px; right: 12px; opacity: 1; }

/* ---------- Product detail ---------- */
.detail {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 58px;
  padding: 42px 0 76px;
}
.detail__gallery { min-width: 0; }
.detail__stage {
  position: relative;
  height: 390px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(#ddd7cb 0.8px, transparent 0.9px) 0 0 / 14px 14px,
    #fff;
  border: 1px solid var(--line);
}
.detail__stage img {
  width: 82%;
  height: 330px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.45) saturate(1.1);
}
.detail__stage-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 8px;
  background: var(--ink);
  color: #fff;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
}
.detail__thumbs {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.detail__thumb {
  width: 76px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #fff;
  padding: 4px;
}
.detail__thumb.is-active { border-color: var(--red); }
.detail__thumb img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.detail__thumb span { font-family: var(--mono); font-size: 8px; color: var(--muted-2); }
.detail__note {
  margin-top: 12px;
  color: var(--muted-2);
  font-size: 9.5px;
  line-height: 1.7;
}
.detail__info { min-width: 0; padding-top: 4px; }
.detail__code-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.detail__code {
  color: var(--red);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.detail h1 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.1vw, 40px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.detail__en {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.detail__summary {
  margin-top: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.9;
}
.spec-inline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}
.spec-inline__item {
  padding: 14px 16px 14px 0;
  border-right: 1px solid var(--line);
}
.spec-inline__item:nth-child(3n) { border-right: 0; }
.spec-inline__item:nth-child(3n + 1) { padding-left: 0; }
.spec-inline__item span {
  display: block;
  color: var(--muted-2);
  font-size: 9px;
  letter-spacing: 0.03em;
}
.spec-inline__item strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
}
.detail__options { padding: 18px 0; border-bottom: 1px solid var(--line); }
.detail__option-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 10.5px;
  font-weight: 600;
}
.detail__option-label span { color: var(--muted); font-weight: 400; }
.pack-options { display: flex; flex-wrap: wrap; gap: 7px; }
.pack-option {
  min-width: 76px;
  padding: 7px 11px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 10.5px;
  text-align: left;
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}
.pack-option small { display: block; color: var(--muted-2); font-size: 8px; }
.pack-option:hover { border-color: var(--ink); }
.pack-option.is-active {
  border-color: var(--red);
  background: var(--red-soft);
  color: var(--red);
}
.detail__buy {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
}
.qty {
  display: flex;
  align-items: center;
  height: 46px;
  border: 1px solid var(--line-strong);
}
.qty button {
  width: 34px;
  height: 100%;
  border: 0;
  background: #fff;
  color: var(--muted);
  font-size: 16px;
}
.qty button:hover { color: var(--red); }
.qty input {
  width: 38px;
  height: 100%;
  border: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  outline: none;
  appearance: textfield;
}
.qty input::-webkit-outer-spin-button,
.qty input::-webkit-inner-spin-button { appearance: none; margin: 0; }
.detail__buy .btn { flex: 1; }
.detail__secondary {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
}
.detail__secondary a,
.detail__secondary button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--muted);
  transition: color 0.2s;
}
.detail__secondary svg { width: 13px; height: 13px; }
.detail__secondary a:hover,
.detail__secondary button:hover,
.detail__secondary .is-on { color: var(--red); }
.inquiry-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.detail__assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9.5px;
}
.detail__assurance span { display: inline-flex; align-items: center; gap: 5px; }
.detail__assurance svg { width: 12px; height: 12px; color: var(--green); }

.detail-tabs { border-top: 1px solid var(--line); padding: 48px 0 80px; }
.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--line-strong);
}
.tab-btn {
  position: relative;
  padding: 12px 22px 14px;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}
.tab-btn::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: -1px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.is-active { color: var(--red); font-weight: 600; }
.tab-btn.is-active::after { transform: scaleX(1); }
.tab-panel { display: none; padding-top: 32px; }
.tab-panel.is-active { display: block; animation: fadeUp 0.35s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.tab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.tab-panel h3 {
  margin-bottom: 14px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
}
.tab-panel p { color: var(--muted); font-size: 12.5px; line-height: 1.95; }
.tab-panel p + p { margin-top: 10px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.spec-table th,
.spec-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.spec-table th {
  width: 34%;
  color: var(--muted);
  font-weight: 400;
  background: var(--paper);
}
.spec-table td { color: var(--ink-2); font-family: var(--mono); font-size: 10.5px; }
.chip-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-2);
  font-size: 10px;
}
.doc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.doc-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color 0.2s, background 0.2s;
}
.doc-card:hover { border-color: var(--red); background: var(--red-soft); }
.doc-card svg { width: 24px; height: 24px; color: var(--red); flex: none; }
.doc-card strong { display: block; font-size: 11px; }
.doc-card span { display: block; color: var(--muted-2); font-size: 9px; }
.doc-card em { margin-left: auto; color: var(--red); font-size: 9px; font-style: normal; }

.related { padding: 70px 0; background: var(--paper); border-top: 1px solid var(--line); }
.related .product-grid { grid-template-columns: repeat(4, 1fr); }

/* ---------- Generic content pages ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.split--media { grid-template-columns: 1.05fr 0.95fr; }
.split__media { position: relative; }
.split__media img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.split__media--small img { height: 360px; }
.split__caption {
  position: absolute;
  left: 22px;
  bottom: 22px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.94);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  text-transform: uppercase;
}
.split__caption b { display: block; color: var(--red); }
.split h2 {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.split p { margin-top: 16px; color: var(--muted); font-size: 13px; line-height: 1.95; }
.split .btn { margin-top: 26px; }
.split__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}
.split__stat { background: var(--paper); padding: 18px; }
.split__stat strong { display: block; font-family: var(--serif); font-size: 26px; font-weight: 500; }
.split__stat span { color: var(--muted); font-size: 9.5px; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-card { background: #fff; padding: 28px 24px; min-height: 220px; }
.value-card__no { color: var(--red); font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; }
.value-card h3 { margin-top: 30px; font-family: var(--serif); font-size: 20px; font-weight: 600; }
.value-card p { margin-top: 8px; color: var(--muted); font-size: 11.5px; line-height: 1.85; }

.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.service-card {
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
  transition: background 0.25s, border-color 0.25s;
}
.service-card:hover { border-color: var(--red); background: var(--paper); }
.service-card__top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.service-card__no { color: var(--red); font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; }
.service-card__icon { width: 34px; height: 34px; color: var(--red); }
.service-card h3 { margin-top: 24px; font-family: var(--serif); font-size: 23px; font-weight: 600; }
.service-card__en { margin-top: 2px; color: var(--muted-2); font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; }
.service-card p { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.service-card ul { margin-top: 16px; border-top: 1px solid var(--line); }
.service-card li { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10.5px; }
.service-card li svg { width: 12px; height: 12px; color: var(--red); }

.timeline { position: relative; margin-top: 10px; }
.timeline::before { content: ""; position: absolute; left: 80px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong); }
.timeline__item { display: grid; grid-template-columns: 80px 1fr; gap: 40px; padding-bottom: 34px; position: relative; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: 75px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--red);
  z-index: 1;
}
.timeline__year { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--red); line-height: 1.4; }
.timeline__body h3 { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.timeline__body p { max-width: 620px; margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.85; }

.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quality-card { padding: 24px; border: 1px solid var(--line); background: #fff; }
.quality-card svg { width: 26px; height: 26px; color: var(--red); }
.quality-card h3 { margin-top: 18px; font-family: var(--serif); font-size: 19px; font-weight: 600; }
.quality-card p { margin-top: 7px; color: var(--muted); font-size: 11.5px; line-height: 1.85; }
.quality-card ul { margin-top: 14px; }
.quality-card li { display: flex; gap: 7px; padding: 4px 0; color: var(--muted); font-size: 10.5px; }
.quality-card li::before { content: ""; width: 4px; height: 4px; margin-top: 8px; background: var(--red); flex: none; border-radius: 50%; }

.cta-band {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: 58px 0;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -100px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255, 255, 255, 0.025), 0 0 0 140px rgba(255, 255, 255, 0.018);
}
.cta-band__inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band h2 { font-family: var(--serif); font-size: clamp(26px, 3vw, 38px); font-weight: 500; line-height: 1.4; }
.cta-band p { margin-top: 8px; color: rgba(255, 255, 255, 0.6); font-size: 12px; }
.cta-band__actions { display: flex; gap: 10px; flex: none; }

.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 20px 0;
  border: 0;
  background: none;
  text-align: left;
  font-size: 13.5px;
  font-weight: 600;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--red); }
.faq-question svg { width: 16px; height: 16px; flex: none; color: var(--muted); transition: transform 0.25s; }
.faq-item.is-open .faq-question { color: var(--red); }
.faq-item.is-open .faq-question svg { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.faq-answer p { padding: 0 40px 20px 0; color: var(--muted); font-size: 12px; line-height: 1.95; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--ink-2); font-size: 10.5px; font-weight: 600; }
.field label em { color: var(--red); font-style: normal; }
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  background: #fff;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(200, 52, 45, 0.07); }
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-color: var(--red); background: #fff8f6; }
.field__error { display: none; color: var(--red); font-size: 9.5px; }
.field.has-error .field__error { display: block; }
.form-note { color: var(--muted-2); font-size: 9.5px; line-height: 1.7; }
.form-success {
  display: none;
  padding: 28px;
  border: 1px solid rgba(45, 122, 84, 0.3);
  background: #f4faf6;
  text-align: center;
}
.form-success.is-visible { display: block; }
.form-success svg { width: 34px; height: 34px; margin: 0 auto 10px; color: var(--green); }
.form-success h3 { font-family: var(--serif); font-size: 21px; font-weight: 600; }
.form-success p { margin-top: 6px; color: var(--muted); font-size: 11.5px; }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 64px; align-items: start; padding: 56px 0 88px; }
.contact-list { border-top: 1px solid var(--line-strong); }
.contact-item { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-item dt { color: var(--muted-2); font-size: 10px; letter-spacing: 0.04em; }
.contact-item dd { font-size: 12.5px; line-height: 1.8; }
.contact-item dd a { color: var(--ink); font-weight: 600; }
.contact-item dd a:hover { color: var(--red); }
.contact-item dd small { display: block; color: var(--muted); font-size: 10px; }
.contact-form-card { border: 1px solid var(--line); background: var(--paper); padding: 32px; }
.contact-form-card h2 { font-family: var(--serif); font-size: 26px; font-weight: 600; }
.contact-form-card > p { margin: 8px 0 24px; color: var(--muted); font-size: 11.5px; }
.offices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.office { padding: 22px; border: 1px solid var(--line); background: #fff; }
.office__tag { color: var(--red); font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.1em; }
.office h3 { margin-top: 12px; font-family: var(--serif); font-size: 18px; font-weight: 600; }
.office p { margin-top: 6px; color: var(--muted); font-size: 10.5px; line-height: 1.8; }
.map-panel {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.map-panel svg { width: 100%; height: 100%; min-height: 340px; }
.map-panel__label {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: rgba(255, 255, 255, 0.94);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.8;
  letter-spacing: 0.05em;
}
.map-panel__label b { display: block; color: var(--red); font-size: 10px; }

/* ---------- Search / modal / toast ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal.is-open { display: flex; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 18, 20, 0.62);
  backdrop-filter: blur(3px);
}
.modal__panel {
  position: relative;
  z-index: 1;
  width: min(640px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: #fff;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.28s var(--ease);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(0.99); } to { opacity: 1; transform: none; } }
.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--line);
}
.modal__head h2 { font-family: var(--serif); font-size: 24px; font-weight: 600; }
.modal__head p { margin-top: 4px; color: var(--muted); font-size: 10.5px; }
.modal__close {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  background: #fff;
  display: grid;
  place-items: center;
  flex: none;
}
.modal__close:hover { border-color: var(--red); color: var(--red); }
.modal__close svg { width: 14px; height: 14px; }
.modal__body { padding: 24px 28px 28px; }
.molecule-pad {
  position: relative;
  height: 170px;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(230, 225, 216, 0.5) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, rgba(230, 225, 216, 0.5) 1px, transparent 1px) 0 0 / 24px 24px,
    #fdfcf9;
  overflow: hidden;
}
.molecule-pad svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.molecule-pad__hint {
  position: absolute;
  right: 10px;
  bottom: 8px;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}
.smiles-input {
  width: 100%;
  min-height: 62px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 11px;
  resize: vertical;
  outline: none;
}
.smiles-input:focus { border-color: var(--red); }
.sample-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.sample-chip {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 4px 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8.5px;
}
.sample-chip:hover { border-color: var(--red); color: var(--red); }
.modal__actions { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.modal__message { margin-top: 12px; color: var(--muted); font-size: 10.5px; line-height: 1.7; }
.modal__message.is-error { color: var(--red); }

.drawer {
  position: fixed;
  z-index: 2100;
  top: 0;
  right: 0;
  width: min(430px, 100%);
  height: 100%;
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateX(102%);
  visibility: hidden;
  transition: transform 0.35s var(--ease), visibility 0.35s;
  display: flex;
  flex-direction: column;
}
.drawer.is-open { transform: none; visibility: visible; }
.drawer__backdrop {
  position: fixed;
  inset: 0;
  z-index: 2090;
  background: rgba(15, 18, 20, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.drawer__backdrop.is-open { opacity: 1; visibility: visible; }
.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}
.drawer__head h2 { font-family: var(--serif); font-size: 22px; font-weight: 600; }
.drawer__head span { display: block; color: var(--muted); font-size: 9.5px; }
.drawer__close { width: 30px; height: 30px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; }
.drawer__close:hover { color: var(--red); border-color: var(--red); }
.drawer__close svg { width: 14px; height: 14px; }
.drawer__body { flex: 1; overflow: auto; padding: 18px 22px; }
.quote-empty { padding: 60px 10px; text-align: center; }
.quote-empty svg { width: 44px; height: 44px; margin: 0 auto 14px; color: var(--line-strong); }
.quote-empty h3 { font-family: var(--serif); font-size: 20px; font-weight: 500; }
.quote-empty p { margin-top: 6px; color: var(--muted); font-size: 11px; }
.quote-item { display: flex; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.quote-item__img { width: 64px; height: 50px; flex: none; display: grid; place-items: center; background: var(--paper); }
.quote-item__img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.quote-item__body { flex: 1; min-width: 0; }
.quote-item__body strong { display: block; font-size: 11px; line-height: 1.5; }
.quote-item__body span { display: block; color: var(--muted); font-family: var(--mono); font-size: 8.5px; }
.quote-item__meta { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; color: var(--muted); font-size: 9px; }
.quote-item__remove { border: 0; background: none; padding: 0; color: var(--muted-2); font-size: 9px; }
.quote-item__remove:hover { color: var(--red); }
.drawer__foot { padding: 18px 22px 22px; border-top: 1px solid var(--line); background: var(--paper); }
.drawer__foot p { margin-bottom: 12px; color: var(--muted); font-size: 9.5px; line-height: 1.7; }
.drawer__foot .btn + .btn { margin-top: 8px; }

.toast {
  position: fixed;
  z-index: 3000;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 20px);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 18px;
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-md);
  font-size: 11.5px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.toast.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast svg { width: 15px; height: 15px; color: #95d6ae; }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 2200;
  background: #fff;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease);
  display: flex;
  flex-direction: column;
}
.mobile-menu.is-open { transform: none; }
.mobile-menu__head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.mobile-menu__head img { width: 190px; }
.mobile-menu__close { width: 34px; height: 34px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; }
.mobile-menu__body { flex: 1; overflow: auto; padding: 10px 22px 30px; }
.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
}
.mobile-menu__link span { color: var(--muted-2); font-family: var(--mono); font-size: 9px; }
.mobile-menu__sub { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; padding: 8px 0 14px; border-bottom: 1px solid var(--line); }
.mobile-menu__sub a { padding: 6px 0; color: var(--muted); font-size: 11.5px; }
.mobile-menu__foot { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1400px) {
  .side-rail { display: none; }
}

@media (max-width: 1240px) {
  .container { width: calc(100% - 56px); }
  .side-rail { display: none; }
  .masthead__inner { gap: 28px; }
  .brand { width: 225px; }
  .search { max-width: 560px; }
  .nav__link { padding: 0 16px; }
  .nav__link::after { left: 16px; right: 16px; }
  .hero__copy { padding-right: 36px; }
  .hero h1 { font-size: 54px; }
  .product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .product-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .new-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cat-strip__inner { grid-template-columns: repeat(7, minmax(132px, 1fr)); overflow-x: auto; }
  .cat-strip { overflow-x: auto; }
  .catalog__body .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__main { grid-template-columns: 1.4fr repeat(4, 0.8fr); }
  .footer__cert { grid-column: 2 / -1; }
}

@media (max-width: 1020px) {
  .topbar__contacts { gap: 14px; }
  .topbar__contacts a:nth-child(n + 2),
  .topbar__contacts > span { display: none; }
  .masthead__inner { flex-wrap: wrap; gap: 14px 20px; padding: 16px 0; }
  .brand { width: 210px; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .search__hot { display: none; }
  .masthead__utils { margin-left: auto; }
  .nav__aside { display: none; }
  .nav__link { padding: 0 18px; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__copy { padding: 54px 0 46px; }
  .hero h1 { font-size: clamp(46px, 7vw, 62px); }
  .hero__visual { min-height: 440px; }
  .hero-feature { top: 58px; right: 28px; }
  .hero__badge { display: none; }
  .proof__inner { grid-template-columns: 1fr; }
  .proof__copy { padding: 56px 0 36px; }
  .proof__stats { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.12); }
  .synthesis { grid-template-columns: 1fr; }
  .synthesis__visual { min-height: 380px; }
  .synthesis__body { padding: 46px 0; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-strip__inner { grid-template-columns: repeat(7, 160px); }
  .cat-strip__item { min-height: 118px; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .new-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .catalog { grid-template-columns: 1fr; }
  .filters { display: none; }
  .filters.is-open { display: block; }
  .filter-toggle { display: inline-flex; }
  .catalog__body .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .detail { grid-template-columns: 1fr; gap: 34px; }
  .detail__stage { height: 340px; }
  .detail__stage img { height: 290px; }
  .footer-cta__inner { flex-direction: column; align-items: flex-start; justify-content: center; padding: 34px 0; gap: 20px; }
  .newsletter { width: 100%; max-width: 520px; }
  .footer__main { grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
  .footer__cert { grid-column: auto; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__brand p { max-width: 520px; }
  .footer__contact { display: flex; flex-wrap: wrap; gap: 0 24px; }
  .split { gap: 44px; }
}

@media (max-width: 820px) {
  .container { width: calc(100% - 40px); }
  .section { padding: 64px 0; }
  .topbar__inner { min-height: 32px; }
  .topbar__contacts li:nth-child(n + 2) { display: none; }
  .topbar__links > *:not(.lang) { display: none; }
  .nav { display: none; }
  .menu-toggle {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-left: 0;
    border: 1px solid var(--line-strong);
    background: #fff;
    height: 38px;
    padding: 0 11px;
    font-size: 10.5px;
    font-weight: 600;
  }
  .menu-toggle svg { width: 15px; height: 15px; }
  .brand { width: 195px; }
  .masthead__inner { gap: 12px; }
  .masthead__utils { margin-left: auto; }
  .util { min-width: 44px; height: 44px; font-size: 0; }
  .util svg { width: 18px; height: 18px; }
  .util__count { top: 1px; right: 2px; }
  .masthead__inner .menu-toggle { order: 0; }
  .brand { order: 1; }
  .masthead__utils { order: 2; }
  .search { order: 3; }
  .hero__visual { min-height: 380px; }
  .hero-feature { width: 220px; top: 34px; right: 20px; padding: 15px; }
  .hero-feature__img { height: 76px; }
  .hero-feature__img img { height: 70px; }
  .hero__caption { top: 24px; left: 24px; }
  .hero__corner { right: 24px; bottom: 24px; }
  .hero__visual::after { inset: 14px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
  .page-hero__inner { flex-direction: column; align-items: flex-start; gap: 26px; }
  .page-hero__stats { gap: 26px; }
  .page-hero__bg { width: 65%; opacity: 0.14; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .new-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-card__structure { height: 142px; }
  .product-card__structure img { height: 128px; }
  .sector-grid { grid-template-columns: 1fr 1fr; }
  .insights { grid-template-columns: 1fr; border-top: 0; }
  .insight { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px 0; min-height: 0; }
  .insight + .insight { padding-left: 0; }
  .insight p { -webkit-line-clamp: 3; }
  .catalog__body .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-toolbar { flex-wrap: wrap; }
  .catalog-toolbar__search { flex-basis: 100%; order: 4; }
  .catalog-toolbar__count { margin-right: auto; }
  .tab-grid { grid-template-columns: 1fr; gap: 30px; }
  .doc-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .split__media img { height: 340px; }
  .split h2 { font-size: 30px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .offices { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 34px; padding: 44px 0 64px; }
  .contact-form-card { padding: 24px; }
  .inquiry-layout { grid-template-columns: 1fr; gap: 34px; }
  .synthesis__body { padding: 46px 24px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer__main { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__cert { grid-column: 1 / -1; }
  .footer__bottom-inner { flex-direction: column; align-items: flex-start; justify-content: center; gap: 4px; padding: 12px 0; }
  .side-rail { display: none; }
  .detail__buy { flex-wrap: wrap; }
  .detail__buy .btn { flex: 1 1 180px; }
  .related .product-grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 54px; }
  .timeline__item { grid-template-columns: 54px 1fr; gap: 26px; }
  .timeline__item::before { left: 49px; }
}

@media (max-width: 560px) {
  .container { width: calc(100% - 32px); }
  .section { padding: 48px 0; }
  .brand { width: 158px; }
  .masthead__inner { padding: 12px 0; gap: 10px; }
  .masthead__inner .menu-toggle { padding: 0 9px; }
  .masthead__utils .util:first-child { display: none; }
  .util { min-width: 40px; height: 40px; }
  .search { flex: 1 1 100%; width: 100%; }
  .search__structure { padding: 0 10px; border-left: 0; }
  .search__structure > span { display: none; }
  .search__structure svg { width: 24px; height: 24px; }
  .hero__copy { padding: 38px 0 34px; }
  .hero h1 { font-size: 38px; line-height: 1.2; }
  .hero__lead { font-size: 13.5px; }
  .hero__stats { flex-wrap: nowrap; gap: 0; }
  .hero__stat { flex: 1 1 0; min-width: 0; padding-right: 9px; margin-right: 9px; }
  .hero__stat strong { font-size: 22px; }
  .hero__stat > span { font-size: 8.5px; white-space: nowrap; }
  .hero__visual { min-height: 300px; }
  .hero-feature { display: none; }
  .hero__molecule { width: 120px; }
  .cat-strip__inner { grid-template-columns: repeat(7, 148px); }
  .cat-strip__item { min-height: 108px; padding: 18px 14px 14px; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .product-card__head { padding: 10px 10px 0; }
  .product-card__body { padding: 0 10px 10px; }
  .product-card__structure { height: 112px; margin: 4px 0 7px; background-size: 10px 10px; }
  .product-card__structure img { height: 100px; }
  .product-card__name { font-size: 12px; min-height: 36px; }
  .product-card__en { font-size: 8.5px; }
  .product-card__meta { font-size: 8px; }
  .product-card__meta span:last-child { display: none; }
  .product-card__foot { padding: 8px 10px; }
  .product-card__price { font-size: 9.5px; }
  .product-card__add { font-size: 9px; }
  .product-card__fav { display: none; }
  .product-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .product-tab { flex: none; padding: 10px 14px 12px; font-size: 11.5px; }
  .product-tab::after { left: 14px; right: 14px; }
  .new-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .proof__stat { padding: 28px 22px; }
  .proof__copy { padding: 42px 0 28px; }
  .synthesis__visual { min-height: 280px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step:nth-child(odd) { border-right: 0; }
  .process-step:nth-child(even) { padding-left: 0; }
  .sector-grid { grid-template-columns: 1fr; }
  .sector-card { min-height: 260px; }
  .footer-cta h2 { font-size: 24px; }
  .newsletter { height: 44px; }
  .newsletter button { padding: 0 15px; }
  .footer__main { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
  .footer__brand .brand { width: 200px; }
  .footer__bottom-inner { font-size: 9px; }
  .page-hero__inner { min-height: 200px; padding: 32px 0; }
  .page-hero h1 { font-size: 32px; }
  .page-hero__stats { flex-wrap: wrap; gap: 18px; }
  .catalog { padding: 28px 0 64px; }
  .catalog__head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .catalog__body { padding: 10px; }
  .catalog__body .product-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .catalog-toolbar { gap: 8px; padding: 10px; }
  .catalog-toolbar__count { flex: 1; font-size: 9.5px; }
  .catalog-toolbar select { max-width: 110px; }
  .view-toggle { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .detail { padding-top: 26px; }
  .detail__stage { height: 270px; }
  .detail__stage img { height: 228px; }
  .detail__thumbs { gap: 6px; }
  .detail__thumb { width: 62px; height: 54px; }
  .spec-inline { grid-template-columns: 1fr 1fr; }
  .spec-inline__item { padding: 12px 10px 12px 0; }
  .spec-inline__item:nth-child(3n) { border-right: 1px solid var(--line); }
  .spec-inline__item:nth-child(2n) { border-right: 0; padding-left: 12px; }
  .detail__buy .btn { flex: 1 1 100%; }
  .doc-grid { grid-template-columns: 1fr; }
  .related .product-grid { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .footer__contact { display: block; }
  .cta-band__actions { flex-wrap: wrap; }
  .modal__head, .modal__body { padding-left: 18px; padding-right: 18px; }
}