/* ==========================================================================
   WEKING 威王 — Design System  (assets/css/main.css)
   Foundation shared by every page. Page-specific CSS belongs inline in the
   page that owns it (see docs/DESIGN-GUIDE.md).
   ========================================================================== */

/* ---------- 1. Tokens ---------------------------------------------------- */
:root {
  /* brand */
  --brand: #c41c4f;
  --brand-2: #9d0f3b;
  --brand-3: #e8477a;
  --brand-soft: #fbe9ef;
  --brand-glow: rgba(196, 28, 79, 0.28);

  /* neutrals */
  --ink: #101316;
  --ink-2: #191d21;
  --ink-3: #23282d;
  --slate: #3d444b;
  --text: #2a2f34;
  --muted: #6f767e;
  --muted-2: #9aa1a8;
  --line: #e5e1db;
  --line-2: #efece7;
  --paper: #ffffff;
  --bone: #f7f5f2;
  --bone-2: #efebe5;
  --dark-bone: #15181b;

  /* type */
  --ff-sans: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system,
    "Segoe UI", sans-serif;
  --ff-en: "Inter", "Manrope", "Helvetica Neue", Arial, sans-serif;
  --ff-num: "Barlow Condensed", "Inter", "Helvetica Neue", Arial, sans-serif;
  --ff-cn-serif: "Source Han Serif SC", "Songti SC", "SimSun", serif;

  /* layout */
  --w-wide: 1380px;
  --w-main: 1240px;
  --w-narrow: 960px;
  --gutter: 40px;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.55s;

  /* shadow */
  --shadow-s: 0 2px 10px rgba(16, 19, 22, 0.05);
  --shadow-m: 0 14px 40px rgba(16, 19, 22, 0.09);
  --shadow-l: 0 30px 80px rgba(16, 19, 22, 0.16);

  --header-h: 84px;
}

/* ---------- 2. Reset ----------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
p { margin: 0; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
::selection { background: var(--brand); color: #fff; }

/* ---------- 3. Layout ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--w-main);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--wide { max-width: var(--w-wide); }
.container--narrow { max-width: var(--w-narrow); }

.section { position: relative; padding: 120px 0; }
.section--tight { padding: 80px 0; }
.section--bone { background: var(--bone); }
.section--bone2 { background: var(--bone-2); }
.section--dark { background: var(--ink); color: #e9e7e4; }
.section--paper { background: var(--paper); }
.section--flush-top { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

.grid { display: grid; gap: 28px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-auto { grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); }

/* ---------- 4. Typography helpers --------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.85;
}
.eyebrow--plain::before { display: none; }
.eyebrow--light { color: rgba(255, 255, 255, 0.72); }

.display-1,
.display-2,
.display-3 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--ink);
}
.display-1 { font-size: clamp(38px, 4.6vw, 68px); }
.display-2 { font-size: clamp(30px, 3.2vw, 48px); }
.display-3 { font-size: clamp(24px, 2.2vw, 34px); }

.section--dark .display-1,
.section--dark .display-2,
.section--dark .display-3 { color: #fff; }

.lede {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
}
.section--dark .lede { color: rgba(255, 255, 255, 0.66); }

.en-cap {
  font-family: var(--ff-en);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.num { font-family: var(--ff-num); font-variant-numeric: tabular-nums; }

/* ---------- 5. Section heading ------------------------------------------ */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 56px; }
.sec-head__main { max-width: 680px; }
.sec-head__title { margin-top: 18px; font-size: clamp(30px, 3.2vw, 46px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; color: var(--ink); }
.sec-head__title em { font-style: normal; color: var(--brand); }
.sec-head__desc { margin-top: 18px; font-size: 16px; line-height: 1.85; color: var(--muted); max-width: 620px; }
.sec-head--center { flex-direction: column; align-items: center; text-align: center; gap: 0; }
.sec-head--center .sec-head__main { max-width: 760px; }
.sec-head--center .eyebrow::before { display: none; }
.sec-head--center .sec-head__desc { margin-left: auto; margin-right: auto; }
.section--dark .sec-head__title { color: #fff; }
.section--dark .sec-head__desc { color: rgba(255, 255, 255, 0.62); }

/* ---------- 6. Buttons & links ------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
    border-color 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 10px 26px -10px var(--brand-glow); }
.btn--primary:hover { background: var(--brand-2); transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--bone); transform: translateY(-2px); }
.btn--ghost { border: 1px solid rgba(16, 19, 22, 0.18); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn--ghost-light { border: 1px solid rgba(255, 255, 255, 0.34); color: #fff; }
.btn--ghost-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn--sm { height: 44px; padding: 0 22px; font-size: 14px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
  position: relative;
}
.link-arrow::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.28);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
  opacity: 0.35;
}
.link-arrow:hover::after { transform: scaleX(1); opacity: 1; }
.link-arrow svg { width: 15px; height: 15px; }
.section--dark .link-arrow { color: #fff; }
.more-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--brand); letter-spacing: 0.04em; }
.more-link svg { width: 15px; height: 15px; transition: transform 0.35s var(--ease); }
.more-link:hover svg { transform: translateX(5px); }

/* ---------- 7. Header ---------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.45s var(--ease), box-shadow 0.45s var(--ease), height 0.45s var(--ease);
}
.site-header__inner {
  width: 100%;
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-header .logo { display: flex; align-items: center; flex-shrink: 0; }
.site-header .logo img { height: 34px; width: auto; }
.site-header .logo--light img { display: none; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; }
.nav__item { position: relative; flex: 0 0 auto; }
.nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  height: var(--header-h);
  padding: 0 14px;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink);
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 24px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.4s var(--ease-out);
}
.nav__item:hover .nav__link::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--brand); }
.nav__drop {
  position: absolute;
  top: 100%;
  left: 8px;
  min-width: 190px;
  padding: 10px;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-m);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.nav__item:hover .nav__drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__drop a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--slate);
  transition: background 0.25s, color 0.25s;
}
.nav__drop a:hover { background: var(--bone); color: var(--brand); }

.header-tools { display: flex; align-items: center; gap: 14px; }
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(16, 19, 22, 0.16);
  border-radius: 999px;
  font-family: var(--ff-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  transition: all 0.3s var(--ease);
}
.lang-toggle svg { width: 14px; height: 14px; opacity: 0.7; }
.lang-toggle:hover { border-color: var(--brand); color: var(--brand); }
.header-cta { height: 44px; padding: 0 22px; font-size: 14px; }
.burger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; }
.burger span { position: relative; display: block; width: 22px; height: 1.5px; background: currentColor; transition: background 0.3s; }
.burger span::before,
.burger span::after { content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: currentColor; transition: transform 0.35s var(--ease); }
.burger span::before { top: -7px; }
.burger span::after { top: 7px; }
body.menu-open .burger span { background: transparent; }
body.menu-open .burger span::before { transform: translateY(7px) rotate(45deg); }
body.menu-open .burger span::after { transform: translateY(-7px) rotate(-45deg); }

/* light header (over dark hero) */
.site-header--light .logo img { filter: none; }
.site-header--light .nav__link { color: rgba(255, 255, 255, 0.82); }
.site-header--light .nav__link:hover,
.site-header--light .nav__link.is-active { color: #fff; }
.site-header--light .nav__link::after { background: var(--brand-3); }
.site-header--light .lang-toggle { border-color: rgba(255, 255, 255, 0.34); color: #fff; }
.site-header--light .burger { color: #fff; }
.site-header--light .nav__drop a { color: var(--slate); }

/* scrolled state */
.site-header.is-stuck { background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line), 0 12px 30px -24px rgba(0, 0, 0, 0.4); height: 72px; }
.site-header.is-stuck .nav__link { height: 72px; }
.site-header.is-stuck .nav__link::after { bottom: 18px; }
.site-header.is-stuck.site-header--light .nav__link { color: var(--ink); }
.site-header.is-stuck.site-header--light .nav__link.is-active { color: var(--brand); }
.site-header.is-stuck.site-header--light .lang-toggle { border-color: rgba(16, 19, 22, 0.16); color: var(--ink); }
.site-header.is-stuck.site-header--light .burger { color: var(--ink); }

/* mobile drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--ink);
  color: #fff;
  padding: 110px var(--gutter) 48px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu__item { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.mobile-menu__link,
.mobile-menu__group { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; font-size: 20px; font-weight: 500; color: #fff; }
.mobile-menu__sub { display: none; padding: 0 0 18px 4px; }
.mobile-menu__sub a { display: block; padding: 9px 0; font-size: 15px; color: rgba(255, 255, 255, 0.6); }
.mobile-menu__item.is-open .mobile-menu__sub { display: block; }
.mobile-menu__item.is-open .mobile-menu__group svg { transform: rotate(180deg); }
.mobile-menu__group svg { width: 16px; height: 16px; transition: transform 0.3s; }
.mobile-menu__foot { margin-top: 36px; display: grid; gap: 16px; color: rgba(255, 255, 255, 0.55); font-size: 14px; }
.mobile-menu__foot strong { color: #fff; font-family: var(--ff-en); font-size: 22px; letter-spacing: 0.04em; display: block; }
.mobile-menu__foot .mm-mail { font-size: 15px; letter-spacing: 0; }

/* ---------- 8. Marquee --------------------------------------------------- */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; background: #fff; }
.marquee__track { display: flex; gap: 64px; width: max-content; animation: marquee 42s linear infinite; }
.marquee__item { display: flex; align-items: center; gap: 26px; font-family: var(--ff-en); font-size: 14px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.marquee__item::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 9. Cards ----------------------------------------------------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.5s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: transparent; }

/* product card */
.p-card { display: flex; flex-direction: column; height: 100%; }
.p-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: radial-gradient(120% 100% at 50% 0%, #fbfaf8 0%, #f1eeea 100%);
  overflow: hidden;
}
.p-card__media img { max-height: 100%; max-width: 100%; object-fit: contain; transition: transform 0.7s var(--ease-out); }
.p-card:hover .p-card__media img { transform: scale(1.06) translateY(-4px); }
.p-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  height: 24px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-family: var(--ff-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.p-card__badge--dark { background: var(--ink); }
.p-card__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.p-card__cat { font-family: var(--ff-en); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); }
.p-card__title { margin-top: 8px; font-size: 17px; font-weight: 600; line-height: 1.45; color: var(--ink); }
.p-card__title a:hover { color: var(--brand); }
.p-card__meta { margin-top: auto; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--muted); }
.p-card__meta span { font-family: var(--ff-num); letter-spacing: 0.04em; font-size: 14px; }
.p-card__go { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: all 0.35s var(--ease); }
.p-card__go svg { width: 14px; height: 14px; }
.p-card:hover .p-card__go { background: var(--brand); border-color: var(--brand); color: #fff; }

/* category card */
.cat-card { position: relative; display: block; overflow: hidden; border-radius: var(--r-md); background: var(--ink); }
.cat-card__media { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.cat-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease-out); }
.cat-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 14, 0) 34%, rgba(10, 12, 14, 0.86) 100%);
  pointer-events: none;
}
.cat-card:hover .cat-card__media img { transform: scale(1.07); }
.cat-card__body { position: absolute; inset: auto 0 0 0; z-index: 2; padding: 26px 26px 24px; color: #fff; }
.cat-card__en { font-family: var(--ff-en); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255, 255, 255, 0.62); }
.cat-card__title { margin-top: 6px; font-size: 21px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cat-card__title svg { width: 18px; height: 18px; opacity: 0.6; transition: transform 0.4s var(--ease), opacity 0.4s; }
.cat-card:hover .cat-card__title svg { transform: translate(3px, -3px); opacity: 1; }
.cat-card__count { margin-top: 10px; font-size: 12px; color: rgba(255, 255, 255, 0.5); font-family: var(--ff-en); letter-spacing: 0.12em; }

/* news card */
.news-card { display: flex; flex-direction: column; height: 100%; }
.news-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bone-2); }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease-out); }
.news-card:hover .news-card__media img { transform: scale(1.05); }
.news-card__body { display: flex; flex-direction: column; flex: 1; padding-top: 22px; }
.news-card__date { font-family: var(--ff-num); font-size: 13px; letter-spacing: 0.1em; color: var(--muted-2); }
.news-card__title { margin-top: 10px; font-size: 18px; font-weight: 600; line-height: 1.55; color: var(--ink); transition: color 0.3s; }
.news-card:hover .news-card__title { color: var(--brand); }
.news-card__excerpt { margin-top: 12px; font-size: 14px; line-height: 1.8; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__tag { position: absolute; top: 16px; left: 16px; height: 26px; padding: 0 12px; display: inline-flex; align-items: center; background: rgba(255, 255, 255, 0.92); border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: var(--ink); }
.section--dark .news-card__title { color: #fff; }

/* ---------- 10. Stats / numbers ----------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.stat { background: #fff; padding: 34px 28px 30px; }
.stat__num { display: flex; align-items: baseline; gap: 4px; font-family: var(--ff-num); font-size: 46px; font-weight: 500; line-height: 1; letter-spacing: -0.01em; color: var(--ink); }
.stat__num sup { font-size: 16px; top: -0.8em; color: var(--brand); font-family: var(--ff-en); }
.stat__num .plus { color: var(--brand); font-size: 26px; }
.stat__label { margin-top: 12px; font-size: 14px; color: var(--muted); }
.stat__label b { display: block; font-weight: 600; color: var(--ink); }
.section--dark .stats { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.12); }
.section--dark .stat { background: transparent; }
.section--dark .stat__num { color: #fff; }
.section--dark .stat__label { color: rgba(255, 255, 255, 0.55); }
.section--dark .stat__label b { color: #fff; }

/* ---------- 11. Split (media + copy) ------------------------------------ */
.split { display: grid; grid-template-columns: 1.08fr 1fr; gap: 80px; align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { width: 100%; border-radius: var(--r-md); }
.split__media--tall img { aspect-ratio: 4 / 3.2; object-fit: cover; }
.split__body { max-width: 520px; }
.split__body .sec-head__title { margin-top: 20px; }
.frame { position: relative; }
.frame::before {
  content: "";
  position: absolute;
  inset: 26px -26px -26px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  z-index: -1;
}
.frame--brand::before { border-color: rgba(196, 28, 79, 0.3); }
.badge-float {
  position: absolute;
  right: -22px;
  bottom: -26px;
  background: var(--brand);
  color: #fff;
  padding: 22px 26px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-m);
}
.badge-float strong { display: block; font-family: var(--ff-num); font-size: 40px; line-height: 1; }
.badge-float span { font-size: 12px; letter-spacing: 0.1em; opacity: 0.85; }

/* ---------- 12. Values / features --------------------------------------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, 0.12); }
.value { padding: 40px 32px; background: var(--ink); transition: background 0.4s var(--ease); }
.value:hover { background: var(--ink-3); }
.value__no { font-family: var(--ff-num); font-size: 13px; letter-spacing: 0.16em; color: var(--brand-3); }
.value__title { margin-top: 20px; font-size: 21px; font-weight: 600; color: #fff; display: flex; align-items: center; gap: 10px; }
.value__en { margin-top: 4px; font-family: var(--ff-en); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255, 255, 255, 0.38); }
.value__desc { margin-top: 16px; font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, 0.6); }

.feature-list { display: grid; gap: 14px; margin-top: 26px; }
.feature-list li { position: relative; padding-left: 26px; font-size: 15px; color: var(--slate); line-height: 1.8; }
.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--brand);
  transform: rotate(45deg);
}
.section--dark .feature-list li { color: rgba(255, 255, 255, 0.72); }

/* ---------- 13. Page hero (inner pages) ---------------------------------- */
.page-hero { position: relative; padding: calc(var(--header-h) + 96px) 0 84px; background: var(--ink); color: #fff; overflow: hidden; }
.page-hero__bg { position: absolute; inset: 0; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.34; }
.page-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12, 14, 16, 0.94) 0%, rgba(12, 14, 16, 0.72) 46%, rgba(12, 14, 16, 0.42) 100%); }
.page-hero__inner { position: relative; z-index: 2; }
.page-hero__title { font-size: clamp(34px, 4vw, 56px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
.page-hero__en { margin-top: 14px; font-family: var(--ff-en); font-size: 13px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--brand-3); }
.page-hero__desc { margin-top: 22px; max-width: 620px; font-size: 16px; line-height: 1.85; color: rgba(255, 255, 255, 0.66); }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 30px; font-size: 13px; color: rgba(255, 255, 255, 0.5); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span.sep { opacity: 0.4; }
.breadcrumb .current { color: rgba(255, 255, 255, 0.9); }

/* ---------- 14. Filters / chips ----------------------------------------- */
.filter { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  height: 42px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--slate);
  background: #fff;
  transition: all 0.3s var(--ease);
}
.chip em { font-style: normal; font-family: var(--ff-num); font-size: 12px; color: var(--muted-2); }
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip.is-active em { color: rgba(255, 255, 255, 0.55); }
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 30px; border-bottom: 1px solid var(--line); margin-bottom: 48px; }
.filter-bar__note { font-size: 13px; color: var(--muted-2); font-family: var(--ff-en); letter-spacing: 0.1em; }
.empty-state { padding: 90px 0; text-align: center; color: var(--muted); font-size: 15px; }

/* ---------- 15. Product detail ------------------------------------------ */
.pd { display: grid; grid-template-columns: 1.02fr 1fr; gap: 72px; align-items: start; }
.pd__stage { position: relative; background: radial-gradient(120% 100% at 50% 0%, #fbfaf8, #f0ece7); border-radius: var(--r-lg); padding: 0; aspect-ratio: 1 / 1; display: grid; place-items: center; overflow: hidden; }
.pd__stage img { max-width: 82%; max-height: 82%; object-fit: contain; }
.pd__thumbs { display: flex; gap: 12px; margin-top: 14px; }
.pd__thumb { width: 84px; height: 84px; border-radius: var(--r-sm); border: 1px solid var(--line); background: #fff; padding: 8px; display: grid; place-items: center; overflow: hidden; transition: border-color 0.3s; }
.pd__thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pd__thumb.is-active, .pd__thumb:hover { border-color: var(--brand); }
.pd__info { padding-top: 8px; }
.pd__model { font-family: var(--ff-num); font-size: 15px; letter-spacing: 0.16em; color: var(--brand); }
.pd__title { margin-top: 12px; font-size: clamp(26px, 2.6vw, 38px); font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; color: var(--ink); }
.pd__sub { margin-top: 8px; font-family: var(--ff-en); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }
.pd__desc { margin-top: 22px; font-size: 15px; line-height: 1.9; color: var(--muted); }
.pd__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.spec-table { margin-top: 34px; border-top: 1px solid var(--line); }
.spec-row { display: grid; grid-template-columns: 132px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line-2); font-size: 14px; }
.spec-row dt { color: var(--muted); }
.spec-row dd { margin: 0; color: var(--ink); font-weight: 500; }

/* data table */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-family: var(--ff-en); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); font-weight: 600; padding: 14px 18px; background: var(--bone); border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 16px 18px; border-bottom: 1px solid var(--line-2); color: var(--slate); }
.table tr:hover td { background: #fcfbf9; }
.table td b { color: var(--ink); font-weight: 600; }

/* ---------- 16. Timeline ------------------------------------------------- */
.timeline { position: relative; margin-top: 20px; }
.timeline::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 44px 42px; }
.tl-item::before { content: ""; position: absolute; left: -5px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: #fff; border: 2px solid var(--brand); }
.tl-item.is-major::before { background: var(--brand); }
.tl-year { font-family: var(--ff-num); font-size: 26px; line-height: 1; color: var(--brand); letter-spacing: 0.02em; }
.tl-title { margin-top: 8px; font-size: 17px; font-weight: 600; color: var(--ink); }
.tl-desc { margin-top: 6px; font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 17. Accordion ------------------------------------------------ */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 4px; text-align: left; font-size: 16px; font-weight: 600; color: var(--ink); }
.acc__ico { flex-shrink: 0; width: 26px; height: 26px; position: relative; }
.acc__ico::before, .acc__ico::after { content: ""; position: absolute; top: 50%; left: 50%; width: 13px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); transition: transform 0.35s var(--ease); }
.acc__ico::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc__item.is-open .acc__ico::after { transform: translate(-50%, -50%) rotate(0deg); }
.acc__panel { max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease); }
.acc__panel-inner { padding: 0 4px 26px; font-size: 15px; line-height: 1.9; color: var(--muted); max-width: 780px; }

/* ---------- 18. CTA band ------------------------------------------------ */
.cta-band { position: relative; overflow: hidden; background: var(--ink); color: #fff; padding: 96px 0; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(80% 120% at 82% 20%, rgba(196, 28, 79, 0.42), transparent 62%); }
.cta-band__inner { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 44px; }
.cta-band__title { font-size: clamp(28px, 3.4vw, 46px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.cta-band__desc { margin-top: 14px; font-size: 15px; color: rgba(255, 255, 255, 0.62); }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 19. Form ---------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--slate); letter-spacing: 0.02em; }
.field input, .field textarea, .field select {
  height: 50px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.field textarea { height: 140px; padding: 14px 16px; resize: vertical; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.form-note { font-size: 12px; color: var(--muted-2); line-height: 1.7; }
.form-ok { margin-top: 18px; padding: 14px 18px; border-radius: var(--r-sm); background: var(--brand-soft); color: var(--brand-2); font-size: 14px; }
.form-err { margin-top: 18px; padding: 14px 18px; border-radius: var(--r-sm); background: rgba(214, 48, 49, 0.08); color: #b3261e; font-size: 14px; line-height: 1.7; }
.btn.is-loading { opacity: 0.7; pointer-events: none; }
.field input.is-invalid, .field textarea.is-invalid, .field select.is-invalid { border-color: #d63031; box-shadow: 0 0 0 3px rgba(214, 48, 49, 0.12); }

/* ---------- 20. Footer -------------------------------------------------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, 0.6); padding: 84px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 56px; padding-bottom: 64px; }
.footer-brand img { height: 34px; width: auto; margin-bottom: 24px; }
.footer-brand p { max-width: 320px; line-height: 1.85; color: rgba(255, 255, 255, 0.5); }
.footer-contact { margin-top: 26px; display: grid; gap: 6px; }
.footer-contact strong { font-family: var(--ff-num); font-size: 26px; letter-spacing: 0.04em; color: #fff; line-height: 1.2; }
.footer-col h4 { font-family: var(--ff-en); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255, 255, 255, 0.42); font-weight: 600; margin-bottom: 22px; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: rgba(255, 255, 255, 0.66); transition: color 0.3s; }
.footer-col a:hover { color: #fff; }
.footer-addr { margin-top: 18px; line-height: 1.8; font-size: 13px; color: rgba(255, 255, 255, 0.4); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 26px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; font-size: 12.5px; color: rgba(255, 255, 255, 0.36); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom__links { display: flex; flex-wrap: wrap; gap: 22px; }

.to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px -12px var(--brand-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.4s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 17px; height: 17px; }

/* ---------- 21. Reveal animation --------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); will-change: opacity, transform; }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
  .marquee__track { animation: none; }
}

/* ---------- 22. Utilities ---------------------------------------------- */
.u-center { text-align: center; }
.u-right { text-align: right; }
.u-flex { display: flex; }
.u-between { display: flex; align-items: center; justify-content: space-between; }
.u-wrap { flex-wrap: wrap; }
.u-gap-8 { gap: 8px; }
.u-gap-16 { gap: 16px; }
.u-gap-24 { gap: 24px; }
.u-mt-0 { margin-top: 0; }
.u-mt-16 { margin-top: 16px; }
.u-mt-24 { margin-top: 24px; }
.u-mt-32 { margin-top: 32px; }
.u-mt-48 { margin-top: 48px; }
.u-mt-64 { margin-top: 64px; }
.u-mb-40 { margin-bottom: 40px; }
.u-muted { color: var(--muted); }
.u-small { font-size: 13px; }
.u-ratio-16-9 { aspect-ratio: 16 / 9; overflow: hidden; }
.u-ratio-4-3 { aspect-ratio: 4 / 3; overflow: hidden; }
.img-cover { width: 100%; height: 100%; object-fit: cover; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.divider--dark { background: rgba(255, 255, 255, 0.12); }

/* ---------- 23. Responsive -------------------------------------------- */
@media (max-width: 1180px) {
  :root { --gutter: 32px; }
  .split { gap: 52px; }
  .footer-top { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-top .footer-col:last-child { display: none; }
  .site-header__inner { gap: 18px; }
  .nav__link { padding: 0 9px; font-size: 14px; }
  .header-cta { padding: 0 16px; }
}
@media (max-width: 1024px) {
  .nav { display: none; }
  .nav__drop { display: none; }
  .burger { display: flex; }
  .header-cta { display: none; }
  .section { padding: 88px 0; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .split__media { order: 0; }
  .split__body { max-width: none; }
  .frame::before { display: none; }
  .pd { grid-template-columns: 1fr; gap: 40px; }
  .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-top .footer-col:nth-child(3) { display: block; }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; --header-h: 68px; }
  body { font-size: 15px; }
  .section { padding: 64px 0; }
  .section--tight { padding: 52px 0; }
  .g-3, .g-4, .g-auto { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 36px; }
  .sec-head--center { align-items: center; }
  .value-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 24px 18px; }
  .stat__num { font-size: 34px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; padding-bottom: 44px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; padding: 22px 0; }
  .site-header .logo img { height: 28px; }
  .p-card__media { padding: 16px; }
  .p-card__body { padding: 18px 16px 20px; }
  .p-card__title { font-size: 15px; }
  .page-hero { padding: calc(var(--header-h) + 56px) 0 52px; }
  .pd__stage { padding: 0; }
  .spec-row { grid-template-columns: 104px 1fr; gap: 12px; }
  .cta-band { padding: 64px 0; }
  .to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
  .badge-float { right: 0; bottom: -18px; padding: 16px 18px; }
  .badge-float strong { font-size: 28px; }
}
@media (max-width: 520px) {
  .g-auto { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
}