/* Li-dream STORE — design system + layout
   Breakpoints: desktop >= 1200px, tablet 768–1199px, phone < 768px */

/* ------------------------------------------------------------------ tokens */
:root {
  --c-ink: #111214;
  --c-ink-2: #2a2c30;
  --c-text: #1b1d21;
  --c-muted: #6a6e76;
  --c-subtle: #9a9da4;
  --c-line: #e6e7ea;
  --c-line-2: #d9dbdf;
  --c-bg: #ffffff;
  --c-soft: #f5f5f7;
  --c-soft-2: #eeeff2;
  --c-media: #f3f3f5;
  --c-yellow: #f5b544;
  --c-yellow-hi: #f7c263;
  --c-yellow-ink: #1c1405;
  --c-red: #e2342d;
  --c-red-light: #ff5a4f;
  --c-green: #1f9d55;
  --c-wa: #25d366;
  --c-dark: #131417;
  --c-dark-2: #1c1e22;
  --c-dark-line: rgba(255, 255, 255, 0.12);
  --c-on-dark: #ffffff;
  --c-on-dark-2: rgba(255, 255, 255, 0.74);
  --c-on-dark-3: rgba(255, 255, 255, 0.5);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 56px;
  --s-10: 72px;
  --s-11: 96px;

  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --r-pill: 999px;

  --container: 1320px;
  --gutter: clamp(16px, 3.4vw, 48px);
  --hdr-h: 72px;

  --shadow-sm: 0 1px 2px rgba(17, 18, 20, 0.06);
  --shadow-md: 0 10px 30px rgba(17, 18, 20, 0.09);
  --shadow-lg: 0 24px 60px rgba(17, 18, 20, 0.18);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
s { text-decoration-thickness: 1px; }
svg { flex: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--c-ink); outline-offset: 2px; border-radius: 4px; }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--c-ink); color: #fff; padding: 10px 16px; border-radius: var(--r-sm);
}
.skip-link:focus { top: 12px; }

/* ------------------------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px;
  border: 1px solid transparent; border-radius: var(--r-pill);
  font-size: 15px; font-weight: 600; letter-spacing: 0.01em; white-space: nowrap;
  background: none;
  transition: background-color 0.18s, color 0.18s, border-color 0.18s, transform 0.18s;
}
.btn:active { transform: scale(0.98); }
.btn--block { width: 100%; }
.btn--lg { height: 52px; padding: 0 30px; font-size: 16px; }
.btn--dark { background: var(--c-ink); color: #fff; }
.btn--dark:hover { background: var(--c-ink-2); }
.btn--yellow { background: var(--c-yellow); color: var(--c-yellow-ink); }
.btn--yellow:hover { background: var(--c-yellow-hi); }
.btn--outline { border-color: var(--c-ink); color: var(--c-ink); }
.btn--outline:hover { background: var(--c-ink); color: #fff; }
.btn--light { background: #fff; color: var(--c-ink); }
.btn--light:hover { background: #ececee; }
.btn--ghost-light { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.btn--ghost-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.btn.is-added { background: var(--c-green); border-color: var(--c-green); color: #fff; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 15px; font-weight: 600; color: var(--c-ink);
}
.link-arrow::after {
  content: ""; width: 7px; height: 7px;
  border-top: 1.8px solid currentColor; border-right: 1.8px solid currentColor;
  transform: rotate(45deg); transition: transform 0.2s var(--ease);
}
.link-arrow:hover::after { transform: translateX(3px) rotate(45deg); }

.badge-save {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: var(--r-xs);
  background: var(--c-red); color: #fff;
  font-size: 12px; font-weight: 700; line-height: 1.4; letter-spacing: 0.01em; white-space: nowrap;
}

/* ------------------------------------------------------------------ promo + toolbar */
.promo { background: var(--c-yellow); color: var(--c-yellow-ink); }
.promo__inner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 40px; padding-block: 8px;
  font-size: 14px; text-align: center;
}
.promo__inner strong { font-weight: 700; }
.promo__icon { width: 16px; height: 16px; }
.promo__link { text-decoration: underline; text-underline-offset: 3px; font-weight: 500; white-space: nowrap; }

.toolbar { background: var(--c-soft); color: var(--c-muted); font-size: 13px; }
.toolbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 36px; }
.toolbar__left { display: flex; align-items: center; gap: 12px; }
.toolbar__left a { color: var(--c-ink-2); text-decoration: underline; text-underline-offset: 3px; }
.toolbar__sep { color: var(--c-line-2); }
.toolbar__right { display: flex; align-items: center; gap: 6px; color: var(--c-ink-2); }
.toolbar__right svg { width: 16px; height: 16px; }

/* ------------------------------------------------------------------ header */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--c-line);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
}
.hdr__bar { display: flex; align-items: center; gap: 20px; height: var(--hdr-h); }
.hdr__burger.icon-btn { display: none; }

.brandmark { display: inline-flex; flex-direction: column; gap: 3px; flex: none; color: var(--c-ink); }
.brandmark__row { display: inline-flex; align-items: center; gap: 10px; line-height: 1; }
.brandmark__name { font-size: 23px; font-weight: 800; letter-spacing: -0.02em; }
.brandmark__name i { font-style: normal; }
.brandmark__bar { width: 1.5px; height: 17px; background: currentColor; opacity: 0.8; }
.brandmark__store { font-size: 15px; font-weight: 600; letter-spacing: 0.14em; }
.brandmark__tag { font-size: 12px; color: var(--c-muted); letter-spacing: 0.01em; white-space: nowrap; }
.brandmark--sm .brandmark__name { font-size: 20px; }
.brandmark--light { color: #fff; }
.brandmark--light .brandmark__tag { color: var(--c-on-dark-3); }

.nav { flex: 1; min-width: 0; display: flex; justify-content: flex-end; }
.nav__list { display: flex; align-items: stretch; }
.nav__item { position: static; display: flex; }
.nav__link {
  position: relative;
  display: inline-flex; align-items: center; gap: 4px;
  height: var(--hdr-h); padding: 0 9px;
  font-size: 13.5px; font-weight: 600; letter-spacing: 0.03em; white-space: nowrap;
  color: var(--c-ink-2);
  transition: color 0.15s;
}
.nav__link::after {
  content: ""; position: absolute; left: 9px; right: 9px; bottom: -1px; height: 2px;
  background: var(--c-ink); transform: scaleX(0); transform-origin: left;
  transition: transform 0.22s var(--ease);
}
.nav__item:hover > .nav__link,
.nav__item:focus-within > .nav__link { color: var(--c-ink); }
.nav__item:hover > .nav__link::after,
.nav__item:focus-within > .nav__link::after { transform: scaleX(1); }
.nav__chev { width: 10px; height: 10px; opacity: 0.55; transition: transform 0.2s; display: none; }
.has-mega:hover .nav__chev { transform: rotate(180deg); }
.nav__item--ai { margin-left: 6px; align-items: center; }
.nav__link.nav__ai {
  height: 34px; padding: 0 14px; gap: 6px;
  background: var(--c-ink); color: #fff; border-radius: var(--r-pill);
  letter-spacing: 0.01em;
}
.nav__ai svg { width: 15px; height: 15px; color: var(--c-yellow); }
.nav__link.nav__ai::after { display: none; }
.nav__item--ai:hover .nav__ai { background: var(--c-ink-2); color: #fff; }

.hdr__icons { display: flex; align-items: center; gap: 2px; flex: none; }
.icon-btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; padding: 0;
  border: 0; border-radius: var(--r-pill); background: none; color: var(--c-ink);
  transition: background-color 0.15s;
}
.icon-btn:hover { background: var(--c-soft); }
.icon-btn svg { width: 23px; height: 23px; }
.cart-count {
  position: absolute; top: 2px; right: 0;
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: var(--r-pill); background: var(--c-red); color: #fff;
  font-size: 11px; font-weight: 700; line-height: 18px; text-align: center;
  box-shadow: 0 0 0 2px #fff;
}
.cart-count.is-bump { animation: bump 0.45s var(--ease); }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.35); } 100% { transform: scale(1); } }

/* mega menu */
.mega {
  display: none;
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff;
  border-top: 1px solid var(--c-line);
  box-shadow: 0 24px 40px -18px rgba(17, 18, 20, 0.22);
}
.has-mega:hover > .mega,
.has-mega:focus-within > .mega { display: block; animation: megaIn 0.18s var(--ease); }
@keyframes megaIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.mega__inner { display: grid; grid-template-columns: 280px 1fr; gap: 56px; padding-block: 32px 40px; }
.mega__eyebrow {
  margin-bottom: 14px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-subtle);
}
.mega__cats ul { margin-bottom: 22px; border-top: 1px solid var(--c-line); }
.mega__cats li a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 2px; border-bottom: 1px solid var(--c-line);
  font-size: 17px; font-weight: 600; color: var(--c-ink);
  transition: padding 0.2s var(--ease), color 0.15s;
}
.mega__cats li a:hover { padding-left: 8px; }
.mega__count {
  min-width: 30px; padding: 1px 8px; border-radius: var(--r-pill);
  background: var(--c-soft); color: var(--c-muted); font-size: 12px; font-weight: 600; text-align: center;
}
.mega__cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 880px; }
.mini-card {
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: var(--r-md); background: var(--c-soft);
  transition: box-shadow 0.2s, transform 0.2s var(--ease);
}
.mini-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.mini-card__media { display: block; aspect-ratio: 16 / 10; min-height: 0; overflow: hidden; padding: 12px; }
.mini-card__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.mini-card__body { display: flex; flex-direction: column; gap: 6px; padding: 0 16px 16px; }
.mini-card__title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 14px; font-weight: 600; line-height: 1.35; color: var(--c-ink);
}
.mini-card__price { font-size: 13px; color: var(--c-muted); }
.mini-card__price b { font-size: 16px; color: var(--c-ink); }

/* search */
.search-panel { border-top: 1px solid var(--c-line); background: #fff; }
.search-panel__inner { display: flex; align-items: center; gap: 12px; height: 68px; }
.search-panel__inner > svg { width: 22px; height: 22px; color: var(--c-muted); }
.search-panel input {
  flex: 1; min-width: 0; height: 44px; border: 0; outline: 0; background: none;
  font-size: 18px;
}
.search-results:empty { display: none; }
.search-results { padding-bottom: 20px; }

/* drawer (phone) */
.drawer { position: fixed; inset: 0; z-index: 100; }
.drawer__scrim { position: absolute; inset: 0; background: rgba(10, 11, 13, 0.45); opacity: 0; transition: opacity 0.25s; }
.drawer__panel {
  position: absolute; top: 0; bottom: 0; left: 0;
  width: min(88vw, 380px); overflow-y: auto; overscroll-behavior: contain;
  background: #fff; padding: 0 20px 28px;
  transform: translateX(-100%); transition: transform 0.3s var(--ease);
}
.drawer.is-open .drawer__scrim { opacity: 1; }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.drawer__ai {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin: 8px 0 22px; padding: 14px 16px; border-radius: var(--r-md);
  background: var(--c-ink); color: #fff; font-weight: 700;
}
.drawer__ai svg { width: 18px; height: 18px; color: var(--c-yellow); }
.drawer__ai span { width: 100%; padding-left: 28px; margin-top: -6px; font-size: 13px; font-weight: 400; color: var(--c-on-dark-2); }
.drawer__label { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-subtle); }
.drawer__brands { margin-top: 6px; }
.drawer__brands summary {
  display: flex; align-items: center; gap: 10px;
  padding: 15px 0; border-bottom: 1px solid var(--c-line);
  font-size: 16px; font-weight: 700; letter-spacing: 0.03em; list-style: none; cursor: pointer;
}
.drawer__brands summary::-webkit-details-marker { display: none; }
.drawer__brands summary::after {
  content: ""; width: 8px; height: 8px; margin-left: 4px; margin-right: 4px;
  border-right: 1.8px solid var(--c-muted); border-bottom: 1.8px solid var(--c-muted);
  transform: rotate(45deg) translateY(-3px); transition: transform 0.2s;
}
.drawer__brands details[open] summary::after { transform: rotate(225deg); }
.drawer__count { margin-left: auto; font-size: 12px; font-weight: 600; color: var(--c-subtle); }
.drawer__brands details ul { padding: 6px 0 10px 14px; border-bottom: 1px solid var(--c-line); }
.drawer__brands details li a { display: block; padding: 9px 0; font-size: 15px; color: var(--c-ink-2); }
.drawer__links { margin-top: 18px; }
.drawer__links a { display: block; padding: 12px 0; font-size: 16px; font-weight: 600; }
.drawer__contact { margin-top: 18px; font-size: 13px; color: var(--c-muted); line-height: 1.7; }
body.is-locked { overflow: hidden; }

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative; isolation: isolate;
  display: flex; flex-direction: column; justify-content: center;
  min-height: clamp(480px, 41vw, 640px);
  background: #0c0d0f; color: #fff; overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8, 9, 10, 0.55) 0%, rgba(8, 9, 10, 0.2) 45%, rgba(8, 9, 10, 0) 70%),
              linear-gradient(0deg, rgba(8, 9, 10, 0.45) 0%, rgba(8, 9, 10, 0) 28%);
}
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease; }
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; }
.hero__content { position: relative; padding-block: 72px 112px; }
.hero__title {
  max-width: 12ch;
  font-size: clamp(38px, 4.4vw, 64px); font-weight: 700; line-height: 1.04; letter-spacing: -0.025em;
}
.hero__sub {
  max-width: 520px; margin-top: 18px;
  font-size: clamp(17px, 1.45vw, 20px); line-height: 1.5; color: rgba(255, 255, 255, 0.86);
}
.subscribe { max-width: 470px; margin-top: 32px; }
.subscribe__row {
  display: flex; padding: 5px;
  border-radius: var(--r-pill); background: #fff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.subscribe__row input {
  flex: 1; min-width: 0; height: 46px; padding: 0 18px;
  border: 0; outline: 0; background: none; color: var(--c-ink); font-size: 15px;
}
.subscribe__row input::placeholder { color: var(--c-subtle); }
.subscribe__row .btn { height: 46px; padding: 0 26px; }
.subscribe__agree {
  display: flex; align-items: center; gap: 8px; margin-top: 14px;
  font-size: 13px; color: rgba(255, 255, 255, 0.78); cursor: pointer;
}
.subscribe__agree input { width: 15px; height: 15px; margin: 0; accent-color: var(--c-yellow); }
.subscribe__msg { min-height: 20px; margin-top: 8px; font-size: 14px; color: var(--c-yellow); }
.subscribe__msg.is-error { color: #ffb4ae; }

.hero__foot {
  position: absolute; left: 0; right: 0; bottom: 26px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.hero__caption {
  display: none; align-items: center; gap: 10px; max-width: 100%;
  padding: 8px 16px 8px 14px; border-radius: var(--r-pill);
  background: rgba(20, 21, 24, 0.55); border: 1px solid rgba(255, 255, 255, 0.16);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-size: 13px; white-space: nowrap;
  transition: background-color 0.2s;
}
.hero__caption.is-active { display: inline-flex; animation: fadeIn 0.6s ease; }
.hero__caption:hover { background: rgba(20, 21, 24, 0.8); }
.hero__caption-k { color: var(--c-on-dark-3); }
.hero__caption-v { font-weight: 600; overflow: hidden; text-overflow: ellipsis; }
.hero__caption-p { color: var(--c-yellow); font-weight: 700; }
.hero__dots { display: flex; gap: 8px; margin-left: auto; }
.hero__dot {
  width: 28px; height: 20px; padding: 0; border: 0; background: none; position: relative;
}
.hero__dot::before {
  content: ""; position: absolute; left: 0; right: 0; top: 9px; height: 3px; border-radius: 2px;
  background: rgba(255, 255, 255, 0.35); transition: background-color 0.2s;
}
.hero__dot.is-active::before { background: #fff; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ------------------------------------------------------------------ category tabs */
.cat-tabs { border-bottom: 1px solid var(--c-line); background: #fff; scroll-margin-top: var(--hdr-h); }
.cat-tabs__list { display: flex; justify-content: center; gap: clamp(28px, 5vw, 80px); }
.cat-tabs__tab {
  position: relative; padding: 20px 2px 18px; border: 0; background: none;
  font-size: 17px; font-weight: 500; color: var(--c-muted); white-space: nowrap;
  transition: color 0.15s;
}
.cat-tabs__tab::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--c-ink); transform: scaleX(0); transition: transform 0.25s var(--ease);
}
.cat-tabs__tab:hover { color: var(--c-ink); }
.cat-tabs__tab.is-active { color: var(--c-ink); font-weight: 700; }
.cat-tabs__tab.is-active::after { transform: scaleX(1); }

/* ------------------------------------------------------------------ sections */
.section { padding-block: var(--s-10); }
.section--top { padding-top: var(--s-9); }
.section--brands { background: var(--c-soft); padding-bottom: var(--s-11); }
.section__head { margin-bottom: var(--s-4); }
.section__title { font-size: clamp(26px, 2.5vw, 36px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.section--top .section__title { margin-bottom: 28px; }
.section__sub { margin-top: 8px; font-size: 16px; color: var(--c-muted); }

/* ------------------------------------------------------------------ Top Recommended (dark cards) */
.top-panel { animation: fadeIn 0.35s ease; }
.top-grid {
  display: grid; grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}
.tcard {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 520px; padding: 28px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 60% at 50% 78%, rgba(120, 128, 140, 0.35) 0%, rgba(40, 43, 48, 0) 70%),
    linear-gradient(180deg, #202226 0%, #121315 100%);
  color: var(--c-on-dark);
}
.tcard__badge { font-size: 15px; font-weight: 700; color: var(--c-red-light); }
.tcard__brand {
  margin-top: 14px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; color: var(--c-on-dark-3);
}
.tcard__title { margin-top: 6px; font-size: 21px; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
.tcard__title a:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.tcard__spec { margin-top: 10px; font-size: 14.5px; line-height: 1.45; color: var(--c-on-dark-2); }
.tcard__media {
  flex: 1; display: flex; align-items: center; justify-content: center;
  min-height: 200px; margin: 18px 0;
}
.tcard__media img {
  width: auto; max-width: 100%; max-height: 270px; object-fit: contain;
  filter: drop-shadow(0 28px 30px rgba(0, 0, 0, 0.55));
  transition: transform 0.5s var(--ease);
}
.tcard:hover .tcard__media img { transform: scale(1.04); }
.tcard__media--tile img {
  max-width: 72%; padding: 14px; border-radius: var(--r-md); background: #fff; filter: none;
}
.tcard__now { display: block; font-size: 30px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.tcard__was { display: flex; align-items: center; gap: 10px; margin-top: 6px; font-size: 14px; color: var(--c-on-dark-3); }
.tcard__btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tcard__btns .btn { height: 42px; padding: 0 20px; font-size: 14px; }

.tcard--lg {
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  grid-template-rows: auto 1fr; column-gap: 12px;
  padding: 40px;
  background:
    radial-gradient(70% 70% at 72% 62%, rgba(245, 181, 68, 0.2) 0%, rgba(245, 181, 68, 0) 60%),
    radial-gradient(80% 80% at 72% 70%, rgba(120, 128, 140, 0.35) 0%, rgba(40, 43, 48, 0) 70%),
    linear-gradient(135deg, #24262b 0%, #121315 70%);
}
.tcard--lg .tcard__text { grid-column: 1 / -1; grid-row: 1; max-width: 620px; }
.tcard--lg .tcard__buy { grid-column: 1; grid-row: 2; align-self: end; }
.tcard--lg .tcard__media { grid-column: 2; grid-row: 2; margin: 8px 0 0; align-items: flex-end; }
.tcard--lg .tcard__media img { max-height: 380px; max-width: 100%; transform: scale(1.18); transform-origin: 50% 90%; }
.tcard--lg:hover .tcard__media img { transform: scale(1.23); }
.tcard--lg .tcard__title { font-size: clamp(24px, 2.2vw, 32px); }
.tcard--lg .tcard__spec { font-size: 16px; }
.tcard--lg .tcard__now { font-size: clamp(32px, 3vw, 42px); }

/* ------------------------------------------------------------------ brand rows */
.brow { margin-top: 52px; scroll-margin-top: calc(var(--hdr-h) + 16px); }
.brow__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.brow__id { display: flex; align-items: baseline; flex-wrap: wrap; column-gap: 20px; row-gap: 6px; min-width: 0; }
.brow__name { font-size: 26px; font-weight: 800; letter-spacing: 0.04em; line-height: 1.1; }
.brow__name a:hover { opacity: 0.75; }
.brow__cats { display: flex; flex-wrap: wrap; gap: 6px; }
.brow__cats a {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 12px; border-radius: var(--r-pill);
  background: #fff; border: 1px solid var(--c-line);
  font-size: 13px; color: var(--c-ink-2);
  transition: border-color 0.15s;
}
.brow__cats a:hover { border-color: var(--c-ink); }
.brow__cats span { color: var(--c-subtle); font-weight: 600; }
.brow__all { flex: none; }

.rail {
  display: grid;
  /* 固定 4 个卡位 + View all 卡，卡片宽度与品牌精选数量无关（DJI 只有 3 个时留空位） */
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(150px, 0.62fr);
  gap: 16px; margin-top: 20px;
}
.rail > .rail__more { grid-column: 5; }

/* product card */
.card {
  position: relative; display: flex; flex-direction: column; min-width: 0;
  overflow: hidden; border-radius: 14px; background: #fff;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s var(--ease);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card__media { position: relative; display: block; aspect-ratio: 1 / 1; min-height: 0; overflow: hidden; padding: 22px; background: var(--c-media); }
.card__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: transform 0.45s var(--ease); }
.card:hover .card__media img { transform: scale(1.04); }
.card__placeholder {
  display: flex; align-items: center; justify-content: center; width: 100%; height: 100%;
  border-radius: var(--r-md); background: var(--c-soft-2);
  font-size: 20px; font-weight: 800; letter-spacing: 0.12em; color: var(--c-subtle);
}
.card__flag {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 10px; border-radius: var(--r-pill); background: var(--c-ink); color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.card__body { display: flex; flex-direction: column; flex: 1; padding: 16px 18px 18px; }
.card__brand { font-size: 11.5px; font-weight: 700; letter-spacing: 0.14em; color: var(--c-subtle); }
.card__title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.7em; margin-top: 6px;
  font-size: 15px; font-weight: 600; line-height: 1.35; color: var(--c-ink);
}
.card__title a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.card__tags li {
  padding: 2px 8px; border-radius: var(--r-xs); background: var(--c-soft);
  font-size: 12px; font-weight: 600; color: var(--c-ink-2);
}
.card__foot { margin-top: auto; padding-top: 16px; }
.card__price .price { display: block; font-size: 22px; font-weight: 800; letter-spacing: -0.01em; color: var(--c-ink); line-height: 1.15; }
.card__price .price--ask { font-size: 17px; font-weight: 700; }
.price-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.price-was { font-size: 13.5px; color: var(--c-subtle); }
.card__foot .btn { margin-top: 14px; height: 42px; font-size: 14px; }

.rail__more {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end; gap: 4px;
  min-height: 100%; padding: 22px; border-radius: 14px;
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(245, 181, 68, 0.28) 0%, rgba(245, 181, 68, 0) 60%),
    var(--c-dark);
  color: #fff; overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.rail__more:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.rail__more-k { font-size: 13px; color: var(--c-on-dark-3); }
.rail__more-v { font-size: clamp(16px, 1.35vw, 20px); font-weight: 800; letter-spacing: 0.03em; line-height: 1.15; }
.rail__more-n { font-size: 13px; color: var(--c-on-dark-2); }
.rail__arrow {
  position: absolute; top: 20px; right: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%; background: var(--c-yellow); color: var(--c-yellow-ink);
  transition: transform 0.25s var(--ease);
}
.rail__arrow svg { width: 20px; height: 20px; }
.rail__more:hover .rail__arrow { transform: translateX(3px); }

/* ------------------------------------------------------------------ AI Solution banner */
.section--ai { padding-block: var(--s-10) var(--s-11); }
.ai-banner {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: center; gap: 48px;
  padding: 64px; border-radius: var(--r-xl);
  background:
    radial-gradient(60% 90% at 100% 100%, rgba(245, 181, 68, 0.28) 0%, rgba(245, 181, 68, 0) 60%),
    radial-gradient(50% 80% at 0% 0%, rgba(90, 110, 140, 0.25) 0%, rgba(90, 110, 140, 0) 60%),
    linear-gradient(135deg, #1a1c20 0%, #0f1012 100%);
  color: #fff;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-yellow);
}
.eyebrow svg { width: 18px; height: 18px; }
.ai-banner__title { margin-top: 16px; max-width: 17ch; font-size: clamp(28px, 3vw, 42px); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }
.ai-banner__sub { margin-top: 16px; max-width: 46ch; font-size: 17px; color: var(--c-on-dark-2); }
.ai-banner__text .btn { margin-top: 30px; }
.ai-banner__viz { display: flex; align-items: center; gap: 18px; }
.ai-chips { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; flex: 1; min-width: 0; }
.ai-chips li {
  display: flex; align-items: center; gap: 10px; min-width: 0;
  padding: 12px 14px; border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--c-dark-line);
  font-size: 13.5px; white-space: nowrap;
}
.ai-chips svg { width: 22px; height: 22px; color: var(--c-yellow); }
.ai-chips b { margin-left: auto; font-weight: 600; color: var(--c-on-dark-3); }
.ai-arrow {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 40px; height: 40px; border-radius: 50%; background: var(--c-yellow); color: var(--c-yellow-ink);
}
.ai-arrow svg { width: 20px; height: 20px; }
.ai-result {
  flex: none; width: 180px; padding: 18px; border-radius: var(--r-lg);
  background: #fff; color: var(--c-ink); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}
.ai-result__k { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; color: var(--c-muted); }
.ai-result ul { display: grid; gap: 12px; margin: 14px 0; }
.ai-result li { display: grid; gap: 6px; font-size: 12px; font-weight: 800; letter-spacing: 0.06em; }
.ai-result i { display: block; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--c-yellow), #f08c3a); }
.ai-result li:nth-child(1) i { width: 86%; }
.ai-result li:nth-child(2) i { width: 64%; }
.ai-result li:nth-child(3) i { width: 78%; }
.ai-result li:nth-child(4) i { width: 52%; }
.ai-result__foot { font-size: 12px; color: var(--c-muted); }

/* ------------------------------------------------------------------ footer */
.ftr { background: #0e0f11; color: #b9bcc2; padding-top: 64px; font-size: 14px; }
.ftr__top { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 64px; }
.ftr__about { margin-top: 18px; max-width: 34ch; line-height: 1.65; color: #8e929a; }
.ftr__cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.35fr); gap: 32px; }
.ftr__h { margin-bottom: 16px; font-size: 12.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: #fff; }
.ftr__col li { margin-bottom: 10px; }
.ftr__col a { transition: color 0.15s; }
.ftr__col a:hover { color: #fff; }
.ftr__col--contact li { margin-bottom: 14px; color: #e3e4e7; }
.ftr__k { display: block; margin-bottom: 2px; font-size: 12px; color: #7d8189; }
.ftr__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px;
  margin-top: 56px; padding-block: 24px 28px; border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-right: 168px; /* 给右下角 WhatsApp 悬浮按钮（约 150px 宽）让位 */
  font-size: 13px; color: #7d8189;
}

/* ------------------------------------------------------------------ WhatsApp + toast */
.wa-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: 8px;
  height: 54px; padding: 0 20px 0 14px; border-radius: var(--r-pill);
  background: var(--c-wa); color: #fff; font-weight: 700; font-size: 15px;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4), 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
}
.wa-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(37, 211, 102, 0.5), 0 2px 6px rgba(0, 0, 0, 0.15); }
.wa-fab svg { width: 28px; height: 28px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 90;
  display: flex; align-items: center; gap: 14px;
  max-width: calc(100vw - 32px); padding: 12px 14px 12px 18px; border-radius: var(--r-md);
  background: var(--c-ink); color: #fff; font-size: 14px;
  box-shadow: var(--shadow-lg);
  transform: translateX(-50%); animation: toastIn 0.3s var(--ease);
}
.toast a { flex: none; padding: 6px 12px; border-radius: var(--r-pill); background: var(--c-yellow); color: var(--c-yellow-ink); font-weight: 700; font-size: 13px; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ------------------------------------------------------------------ wide desktop */
@media (min-width: 1360px) {
  .nav__link { padding: 0 11px; font-size: 14px; }
  .nav__link::after { left: 11px; right: 11px; }
  .nav__chev { display: block; }
}

/* ------------------------------------------------------------------ tablet */
@media (max-width: 1199px) {
  :root { --hdr-h: 64px; }
  .hdr__bar { flex-wrap: wrap; height: auto; column-gap: 12px; }
  .hdr__bar > .brandmark { height: var(--hdr-h); justify-content: center; }
  .hdr__icons { margin-left: auto; }
  .nav {
    order: 3; flex: 0 0 calc(100% + 2 * var(--gutter)); justify-content: flex-start;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter);
    border-top: 1px solid var(--c-line);
    overflow-x: auto; scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav__list { margin-inline: auto; }
  /* 768 宽时 8 品牌 + AI Solution + About 原本要 756px，超出 716px 可用宽度，About 被截半；
     平板段收紧字号/内边距，768 也能一屏排下（仍保留横向滚动兜底） */
  .nav__link { height: 48px; padding: 0 7px; font-size: 13px; letter-spacing: 0.02em; }
  .nav__link::after { left: 7px; right: 7px; }
  .nav__item--ai { margin-left: 4px; }
  .nav__link.nav__ai { height: 32px; padding: 0 12px; }
  .mega__inner { grid-template-columns: 220px 1fr; gap: 32px; }

  .top-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .tcard--lg { grid-column: 1 / -1; min-height: 440px; }
  .tcard { min-height: 480px; }

  .rail {
    display: grid; grid-template-columns: none; grid-auto-flow: column;
    grid-auto-columns: calc((100% - 16px) / 2.25);
    overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter);
    scroll-padding-inline: var(--gutter); padding-bottom: 8px;
  }
  .rail::-webkit-scrollbar { display: none; }
  .rail > * { scroll-snap-align: start; }
  .rail__more { min-height: 0; }
  .rail > .rail__more { grid-column: auto; }
  .card__media { aspect-ratio: 5 / 4; }
  .card:hover, .rail__more:hover { transform: none; }

  .ai-banner { grid-template-columns: 1fr; gap: 40px; padding: 48px; }

  .ftr__top { grid-template-columns: 1fr; gap: 40px; }
}

/* ------------------------------------------------------------------ phone */
@media (max-width: 767px) {
  :root { --hdr-h: 58px; }
  .promo__inner { font-size: 13px; gap: 8px; }
  .promo__icon { display: none; }
  .toolbar__left { display: none; }
  .toolbar__inner { justify-content: center; min-height: 32px; font-size: 12px; }

  .hdr__bar { flex-wrap: nowrap; height: var(--hdr-h); gap: 4px; }
  .hdr__burger.icon-btn { display: inline-flex; margin-left: -8px; }
  .hdr__bar > .brandmark { height: auto; }
  .brandmark__name { font-size: 20px; }
  .brandmark__store { font-size: 13px; }
  .brandmark__bar { height: 14px; }
  .brandmark__row { gap: 8px; }
  .brandmark__tag { font-size: 10.5px; }
  .nav { display: none; }
  .hdr__account { display: none; }
  .hdr__icons { margin-right: -6px; }

  .hero { display: block; min-height: 0; }
  .hero__media { position: relative; z-index: 0; aspect-ratio: 5 / 4; }
  .hero__media::after { background: linear-gradient(0deg, #0c0d0f 0%, rgba(12, 13, 15, 0) 36%); }
  .hero__slide img { object-position: 86% 50% !important; }
  .hero__content { padding-block: 4px 36px; }
  .hero__title { max-width: none; font-size: 36px; }
  .hero__sub { margin-top: 12px; font-size: 16px; }
  .subscribe { margin-top: 24px; }
  .subscribe__row input { height: 44px; padding: 0 14px; }
  .subscribe__row .btn { height: 44px; padding: 0 18px; }
  .hero__foot { position: absolute; top: 12px; bottom: auto; }
  .hero__caption { padding: 6px 12px; font-size: 12px; max-width: calc(100% - 110px); }
  .hero__caption-k { display: none; }

  .cat-tabs__list { justify-content: space-between; gap: 16px; overflow-x: auto; scrollbar-width: none; }
  .cat-tabs__list::-webkit-scrollbar { display: none; }
  .cat-tabs__tab { font-size: 15px; padding: 16px 0 14px; }

  .section { padding-block: 48px; }
  .section--top { padding-top: 36px; }
  .section--top .section__title { margin-bottom: 20px; }
  .top-grid {
    display: grid; grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 86%;
    gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); scroll-padding-inline: var(--gutter);
  }
  .top-grid::-webkit-scrollbar { display: none; }
  .top-grid > * { scroll-snap-align: start; }
  .tcard, .tcard--lg {
    display: flex; flex-direction: column; grid-column: auto;
    min-height: 470px; padding: 24px;
  }
  .tcard--lg .tcard__media { margin: 18px 0; }
  .tcard--lg .tcard__media img, .tcard__media img { max-height: 210px; }
  .tcard--lg .tcard__title, .tcard__title { font-size: 20px; }
  .tcard--lg .tcard__spec { font-size: 14.5px; }
  .tcard--lg .tcard__now, .tcard__now { font-size: 28px; }

  .brow { margin-top: 40px; }
  .brow__head { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; row-gap: 10px; }
  .brow__id { display: contents; }
  .brow__name { grid-column: 1; grid-row: 1; font-size: 22px; }
  .brow__all { grid-column: 2; grid-row: 1; font-size: 14px; }
  .brow__cats {
    grid-column: 1 / -1; grid-row: 2; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter);
  }
  .brow__cats::-webkit-scrollbar { display: none; }
  .brow__cats a { height: 28px; padding: 0 11px; font-size: 12.5px; white-space: nowrap; }
  .rail { margin-top: 16px; }
  .rail { grid-auto-columns: 74%; gap: 12px; }
  .card__media { padding: 18px; }

  .section--ai { padding-block: 48px 64px; }
  .ai-banner { padding: 32px 20px 24px; border-radius: var(--r-lg); gap: 28px; }
  .ai-banner__sub { font-size: 16px; }
  .ai-banner__text .btn { width: 100%; }
  .ai-banner__viz { flex-direction: column; align-items: stretch; }
  .ai-chips { gap: 8px; }
  .ai-chips li { gap: 8px; padding: 10px; font-size: 13px; line-height: 1.2; white-space: normal; }
  .ai-chips svg { width: 18px; height: 18px; }
  .ai-arrow { align-self: center; transform: rotate(90deg); }
  .ai-result { width: auto; }
  .ai-result ul { grid-template-columns: 1fr 1fr; column-gap: 16px; }

  .ftr { padding-top: 48px; }
  .ftr__cols { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 32px 20px; }
  .ftr__col--contact a { word-break: break-word; }
  .ftr__bottom { margin-top: 40px; padding-right: 0; padding-bottom: 88px; }

  .wa-fab { right: 16px; bottom: 16px; width: 54px; padding: 0; justify-content: center; }
  .wa-fab__label { display: none; }
  .toast { bottom: 84px; }
}

/* ================================================================== Task 7: brand / product / cart */

/* ------------------------------------------------------------------ breadcrumbs + page heads */
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px;
  padding-block: 18px 0; font-size: 13px; color: var(--c-muted);
}
.crumbs a { color: var(--c-ink-2); }
.crumbs a:hover { text-decoration: underline; text-underline-offset: 3px; }
.crumbs [aria-hidden] { color: var(--c-line-2); }
.crumbs [aria-current] { color: var(--c-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 44ch; }
.crumbs--dark { padding-top: 0; color: var(--c-on-dark-3); }
.crumbs--dark a { color: var(--c-on-dark-2); }
.crumbs--dark [aria-hidden] { color: rgba(255, 255, 255, 0.25); }
.crumbs--dark [aria-current] { color: var(--c-on-dark-3); }

.page-head { margin: 20px 0 32px; }
.page-title { font-size: clamp(30px, 3vw, 42px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.page-sub { margin-top: 10px; font-size: 16px; color: var(--c-muted); }

/* ------------------------------------------------------------------ brand hero */
.bhero {
  position: relative; isolation: isolate; overflow: hidden;
  background:
    radial-gradient(55% 90% at 78% 70%, rgba(245, 181, 68, 0.2) 0%, rgba(245, 181, 68, 0) 60%),
    radial-gradient(60% 100% at 80% 80%, rgba(120, 128, 140, 0.32) 0%, rgba(40, 43, 48, 0) 70%),
    linear-gradient(120deg, #1d1f23 0%, #0f1012 75%);
  color: var(--c-on-dark);
}
.bhero__inner {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: center; gap: 32px;
  min-height: 340px; padding-block: 36px 40px;
}
.bhero__title { margin-top: 22px; font-size: clamp(40px, 5vw, 68px); font-weight: 800; letter-spacing: 0.02em; line-height: 1; }
.bhero__intro { max-width: 48ch; margin-top: 16px; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.5; color: var(--c-on-dark-2); }
.bhero__stats { display: flex; gap: 36px; margin-top: 26px; }
.bhero__stats li { display: flex; flex-direction: column; gap: 2px; }
.bhero__stats b { font-size: 28px; font-weight: 800; letter-spacing: -0.01em; line-height: 1.1; color: var(--c-yellow); }
.bhero__stats span { font-size: 13px; color: var(--c-on-dark-3); }
.bhero__note { margin-top: 20px; font-size: 13px; color: var(--c-on-dark-3); }
.bhero__media { display: flex; justify-content: center; align-items: flex-end; align-self: stretch; }
.bhero__media img {
  width: auto; max-width: 100%; max-height: 300px; object-fit: contain;
  filter: drop-shadow(0 30px 30px rgba(0, 0, 0, 0.55));
}

/* ------------------------------------------------------------------ category tabs (brand page) */
.cat-tabs--sticky { position: sticky; top: var(--hdr-h); z-index: 40; }
.cat-tabs__n {
  display: inline-block; min-width: 26px; margin-left: 8px; padding: 1px 7px; border-radius: var(--r-pill);
  background: var(--c-soft); color: var(--c-muted); font-size: 12px; font-weight: 600; line-height: 1.5; text-align: center;
  vertical-align: 2px;
}
.cat-tabs__tab.is-active .cat-tabs__n { background: var(--c-ink); color: #fff; }

/* ------------------------------------------------------------------ listing */
.section--listing { padding-top: 28px; background: var(--c-soft); min-height: 60vh; }
.listing-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.listing-bar__count { font-size: 14px; color: var(--c-muted); }
.listing-bar__count b { color: var(--c-ink); }
.sort { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--c-muted); }
.sort select {
  height: 40px; padding: 0 38px 0 14px; border: 1px solid var(--c-line-2); border-radius: var(--r-pill);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='m3 4.5 3 3 3-3' fill='none' stroke='%23111214' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 14px center / 12px;
  font: inherit; font-size: 14px; font-weight: 600; color: var(--c-ink);
  -webkit-appearance: none; appearance: none; cursor: pointer;
}
.sort select:hover { border-color: var(--c-ink); }
.listing-panel { animation: fadeIn 0.3s ease; }
.listing-group + .listing-group { margin-top: 48px; }
.listing-group__title {
  display: flex; align-items: center; gap: 10px; margin-bottom: 18px;
  font-size: 22px; font-weight: 700; letter-spacing: -0.01em;
}
.listing-group__title span {
  padding: 1px 9px; border-radius: var(--r-pill); background: #fff; border: 1px solid var(--c-line);
  font-size: 12px; font-weight: 600; color: var(--c-muted);
}
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.grid__cell { display: flex; min-width: 0; }
.grid__cell > .card { flex: 1; }

/* ------------------------------------------------------------------ product page */
.pdp {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: clamp(28px, 4vw, 64px);
  padding-top: 20px; padding-bottom: var(--s-9); align-items: start;
}
.pdp__gallery { position: sticky; top: calc(var(--hdr-h) + 20px); min-width: 0; }
.gallery__main {
  position: relative; aspect-ratio: 1 / 1; overflow: hidden;
  border-radius: var(--r-lg); background: var(--c-media);
}
.gallery__main > img { width: 100%; height: 100%; padding: 6%; object-fit: contain; mix-blend-mode: multiply; }
.gallery__main .card__placeholder { border-radius: 0; font-size: 32px; }
.gallery__main .card__flag { top: 16px; left: 16px; }
.gallery__nav {
  position: absolute; top: 50%; z-index: 1;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-top: -22px; padding: 0;
  border: 1px solid var(--c-line); border-radius: 50%; background: rgba(255, 255, 255, 0.92); color: var(--c-ink);
  box-shadow: var(--shadow-sm); opacity: 0; transition: opacity 0.2s, background-color 0.15s;
}
.gallery__nav svg { width: 22px; height: 22px; }
.gallery__nav--prev { left: 14px; }
.gallery__nav--next { right: 14px; }
.gallery__main:hover .gallery__nav, .gallery__nav:focus-visible { opacity: 1; }
.gallery__nav:hover { background: #fff; }
.gallery__counter {
  position: absolute; right: 14px; bottom: 14px;
  padding: 2px 10px; border-radius: var(--r-pill); background: rgba(17, 18, 20, 0.7); color: #fff;
  font-size: 12px; font-weight: 600;
}
.gallery__thumbs {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 10px; margin-top: 12px;
}
.gallery__thumb {
  display: block; width: 100%; aspect-ratio: 1 / 1; padding: 6px;
  border: 1.5px solid transparent; border-radius: var(--r-md); background: var(--c-media);
  transition: border-color 0.15s;
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.gallery__thumb:hover { border-color: var(--c-line-2); }
.gallery__thumb.is-active { border-color: var(--c-ink); }

.pdp__info { min-width: 0; padding-top: 4px; }
.pdp__brand { display: flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 700; letter-spacing: 0.14em; }
.pdp__brand a { color: var(--c-ink); }
.pdp__brand a:hover { text-decoration: underline; text-underline-offset: 3px; }
.pdp__brand span { font-weight: 600; letter-spacing: 0.02em; color: var(--c-subtle); }
.pdp__title { margin-top: 10px; font-size: clamp(24px, 2.3vw, 34px); font-weight: 700; line-height: 1.18; letter-spacing: -0.015em; }
.pdp__tags { margin-top: 14px; }
.pdp__tags li { font-size: 13px; padding: 3px 10px; }
.pdp__price { margin-top: 24px; padding: 20px 22px; border-radius: var(--r-lg); background: var(--c-soft); }
.pdp__now { font-size: clamp(32px, 3vw, 40px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; color: var(--c-ink); }
.pdp__now.price--ask { font-size: 26px; }
.pdp__price .price-row { margin-top: 8px; }
.pdp__price .price-was { font-size: 15px; }
.pdp__official { margin-top: 10px; font-size: 12.5px; color: var(--c-muted); }
.pdp__buy { display: flex; gap: 12px; margin-top: 20px; }
.pdp__add { flex: 1; }
.pdp__quote { margin-top: 12px; }
.qty {
  display: inline-flex; align-items: center; flex: none;
  height: 52px; border: 1px solid var(--c-line-2); border-radius: var(--r-pill); background: #fff;
}
.qty__btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 100%; padding: 0; border: 0; background: none; color: var(--c-ink); border-radius: var(--r-pill);
}
.qty__btn svg { width: 18px; height: 18px; }
.qty__btn:hover { background: var(--c-soft); }
.qty__input {
  width: 44px; height: 100%; padding: 0; border: 0; background: none; outline-offset: -2px;
  font-size: 16px; font-weight: 700; text-align: center; -moz-appearance: textfield; appearance: textfield;
}
.qty__input::-webkit-outer-spin-button, .qty__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty--sm { height: 40px; }
.qty--sm .qty__btn { width: 36px; }
.qty--sm .qty__input { width: 38px; font-size: 15px; }

.pdp__assure { display: grid; gap: 10px; margin-top: 22px; padding: 18px 0; border-block: 1px solid var(--c-line); }
.pdp__assure li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--c-ink-2); }
.pdp__assure svg { width: 20px; height: 20px; color: var(--c-green); }
.pdp__specs { margin-top: 26px; }
.pdp__h { margin-bottom: 12px; font-size: 18px; font-weight: 700; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table th, .spec-table td { padding: 11px 0; border-bottom: 1px solid var(--c-line); text-align: left; vertical-align: top; }
.spec-table th { width: 44%; font-weight: 500; color: var(--c-muted); }
.spec-table td { font-weight: 600; color: var(--c-ink); }

/* compatible batteries / works with */
.section--compat { padding-block: var(--s-9); background: var(--c-soft); }
.section--compat + .section--compat { padding-top: 0; }
.section__head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.mgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 14px; margin-top: 20px; }
.mcard {
  display: grid; grid-template-columns: 88px minmax(0, 1fr) auto; align-items: center; gap: 14px;
  padding: 12px 16px 12px 12px; border-radius: 14px; background: #fff; box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}
.mcard:hover { box-shadow: var(--shadow-md); }
.mcard__media { display: block; aspect-ratio: 1 / 1; padding: 8px; border-radius: var(--r-md); background: var(--c-media); overflow: hidden; }
.mcard__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.mcard__media .card__placeholder { font-size: 11px; }
.mcard__title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 14.5px; font-weight: 600; line-height: 1.3; color: var(--c-ink);
}
.mcard__title a:hover { text-decoration: underline; text-underline-offset: 3px; }
.mcard__meta { margin-top: 4px; font-size: 12.5px; color: var(--c-muted); }
.mcard__price { margin-top: 6px; font-size: 13px; color: var(--c-subtle); }
.mcard__price b { margin-right: 4px; font-size: 16px; color: var(--c-ink); }
.mcard__add.btn { height: 36px; padding: 0 16px; font-size: 13.5px; }

/* overview (brand description) */
.section--overview { padding-block: var(--s-9); }
.prose { max-width: 860px; margin-top: 20px; font-size: 16px; line-height: 1.7; color: var(--c-ink-2); }
.prose > * + * { margin-top: 14px; }
.prose h2, .prose h3, .prose h4 { margin-top: 30px; line-height: 1.3; color: var(--c-ink); letter-spacing: -0.01em; }
.prose h2 { font-size: 22px; }
.prose h3 { font-size: 19px; }
.prose h4 { font-size: 17px; }
.prose > :first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 22px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 6px; }
.prose li::marker { color: var(--c-subtle); }
.prose strong { color: var(--c-ink); }
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 14.5px; line-height: 1.45; }
.prose th, .prose td { padding: 10px 14px; border: 1px solid var(--c-line); text-align: left; vertical-align: top; }
.prose th { background: var(--c-soft); font-weight: 600; color: var(--c-ink); }
.prose__source { max-width: 860px; margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--c-line); font-size: 13px; color: var(--c-subtle); }

.section--related { padding-block: var(--s-9) var(--s-10); background: var(--c-soft); }
.section--overview + .section--related { border-top: 0; }
.grid--related { margin-top: 20px; }

/* ------------------------------------------------------------------ header search results */
.search-results { max-height: min(70vh, 620px); overflow-y: auto; }
.sr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; }
.sr__item {
  display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; align-items: center; gap: 14px;
  padding: 8px 10px 8px 8px; border-radius: var(--r-md);
  transition: background-color 0.15s;
}
.sr__item:hover, .sr__item:focus-visible { background: var(--c-soft); }
.sr__media { display: block; width: 56px; height: 56px; padding: 4px; border-radius: var(--r-sm); background: var(--c-media); }
.sr__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.sr__text { display: flex; flex-direction: column; min-width: 0; }
.sr__brand { font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; color: var(--c-subtle); }
.sr__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14.5px; font-weight: 600; color: var(--c-ink); }
.sr__price { font-size: 14px; font-weight: 700; color: var(--c-ink); white-space: nowrap; }
.sr__empty, .sr__more { padding: 10px 8px; font-size: 14px; color: var(--c-muted); }

/* ------------------------------------------------------------------ cart */
.cart-page { padding-top: 0; background: var(--c-soft); min-height: 60vh; }
.cart-loading { padding: 40px 0; color: var(--c-muted); }
.cart-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; }
.cart-list { min-width: 0; padding: 8px 24px 24px; border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm); }
.cart-list__head {
  display: grid; grid-template-columns: minmax(0, 1fr) 132px 120px; gap: 20px;
  padding: 14px 0; border-bottom: 1px solid var(--c-line);
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-subtle);
}
.cart-list__head span:last-child { text-align: right; }
.cart-list__more { margin-top: 20px; }
.citem {
  display: grid; grid-template-columns: 104px minmax(0, 1fr) 132px 120px; align-items: center; gap: 20px;
  padding: 20px 0; border-bottom: 1px solid var(--c-line);
}
.citem__media { display: block; aspect-ratio: 1 / 1; padding: 8px; border-radius: var(--r-md); background: var(--c-media); }
.citem__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.citem__media .card__placeholder { font-size: 12px; }
.citem__meta { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; color: var(--c-subtle); }
.citem__title { margin-top: 4px; font-size: 16px; font-weight: 600; line-height: 1.3; color: var(--c-ink); }
.citem__title a:hover { text-decoration: underline; text-underline-offset: 3px; }
.citem__unit { margin-top: 6px; font-size: 13px; color: var(--c-subtle); }
.citem__unit b { margin-right: 4px; font-size: 15px; color: var(--c-ink); }
.citem__remove {
  margin-top: 8px; padding: 0; border: 0; background: none;
  font-size: 13px; color: var(--c-muted); text-decoration: underline; text-underline-offset: 3px;
}
.citem__remove:hover { color: var(--c-red); }
.citem__total { font-size: 17px; font-weight: 800; text-align: right; color: var(--c-ink); }

.cart-summary {
  position: sticky; top: calc(var(--hdr-h) + 20px);
  padding: 24px; border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm);
}
.cart-summary__title { font-size: 19px; font-weight: 700; }
.cart-summary__rows { margin: 16px 0 20px; }
.cart-summary__rows div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; font-size: 15px; }
.cart-summary__rows dt { color: var(--c-muted); }
.cart-summary__rows dd { margin: 0; font-weight: 600; }
.cart-summary__rows s { color: var(--c-subtle); font-weight: 500; }
.cart-summary__rows .is-save dd { color: var(--c-red); font-weight: 700; }
.cart-summary__rows .is-total { margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--c-line); }
.cart-summary__rows .is-total dt { color: var(--c-ink); font-weight: 700; }
.cart-summary__rows .is-total dd { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.cart-summary__note { margin: -8px 0 16px; font-size: 13px; color: var(--c-muted); }
.cart-summary__fine { margin-top: 14px; font-size: 12.5px; line-height: 1.5; color: var(--c-subtle); }

.cart-empty {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 64px 24px; border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm);
}
.cart-empty svg { width: 56px; height: 56px; color: var(--c-subtle); }
.cart-empty h2 { margin-top: 16px; font-size: 22px; font-weight: 700; }
.cart-empty p { margin-top: 8px; max-width: 42ch; color: var(--c-muted); }
.cart-empty__btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 24px; }

/* quote form */
.quote-panel { margin-top: 28px; scroll-margin-top: calc(var(--hdr-h) + 16px); animation: fadeIn 0.3s ease; }
.quote-form { padding: 32px; border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm); }
.quote-form__title { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; }
.quote-form__sub { max-width: 64ch; margin-top: 8px; font-size: 15px; color: var(--c-muted); }
.field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 18px; margin-top: 24px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--wide { grid-column: 1 / -1; }
.field__label { font-size: 13.5px; font-weight: 600; color: var(--c-ink-2); }
.field__label i { font-style: normal; color: var(--c-red); }
.field input, .field textarea {
  width: 100%; min-width: 0; padding: 0 14px; border: 1px solid var(--c-line-2); border-radius: var(--r-sm);
  background: #fff; font: inherit; font-size: 15px; color: var(--c-ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input { height: 46px; }
.field textarea { padding-block: 12px; resize: vertical; min-height: 110px; }
.field input:focus, .field textarea:focus { outline: 0; border-color: var(--c-ink); box-shadow: 0 0 0 3px rgba(17, 18, 20, 0.08); }
.field [aria-invalid="true"] { border-color: var(--c-red); }
.field__err { min-height: 0; font-size: 12.5px; color: var(--c-red); }
.field__err:empty { display: none; }
.quote-form__submit { margin-top: 22px; }
.quote-result { margin-top: 24px; padding: 22px; border-radius: var(--r-md); background: var(--c-soft); animation: fadeIn 0.3s ease; }
.quote-result__k { font-weight: 700; color: var(--c-ink); }
.quote-result__btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.quote-result__btns svg { width: 20px; height: 20px; }
.btn--wa { background: var(--c-wa); color: #fff; }
.btn--wa:hover { background: #1fbe5b; }
.quote-result__alt { margin-top: 14px; font-size: 13.5px; color: var(--c-muted); }
.quote-result__alt a { color: var(--c-ink-2); text-decoration: underline; text-underline-offset: 3px; }
.quote-result__preview { margin-top: 14px; font-size: 13.5px; }
.quote-result__preview summary { cursor: pointer; color: var(--c-ink-2); font-weight: 600; }
.quote-result__preview pre {
  margin: 10px 0 0; padding: 14px; max-height: 280px; overflow: auto;
  border-radius: var(--r-sm); background: #fff; border: 1px solid var(--c-line);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; line-height: 1.55; white-space: pre-wrap; word-break: break-word;
}

/* ------------------------------------------------------------------ Task 7 tablet */
@media (max-width: 1199px) {
  .cat-tabs--sticky { top: calc(var(--hdr-h) + 49px); }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pdp { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .gallery__nav { opacity: 1; }
  .cart-layout { grid-template-columns: minmax(0, 1fr); }
  .cart-summary { position: static; }
  .sr { grid-template-columns: minmax(0, 1fr); }
}

/* ------------------------------------------------------------------ Task 7 phone */
@media (max-width: 767px) {
  .cat-tabs--sticky { top: var(--hdr-h); }
  .cat-tabs__n { display: none; } /* 手机上三个 Tab 放不下数量；当前 Tab 数量见下方 listing-bar */
  .crumbs { padding-top: 14px; font-size: 12.5px; }
  .crumbs [aria-current] { max-width: 100%; }

  .bhero__inner { grid-template-columns: minmax(0, 1fr); min-height: 0; padding-block: 22px 28px; gap: 0; }
  .bhero__title { margin-top: 16px; font-size: 40px; }
  .bhero__intro { font-size: 15.5px; }
  .bhero__stats { gap: 28px; margin-top: 20px; }
  .bhero__stats b { font-size: 24px; }
  .bhero__note { margin-top: 14px; font-size: 12.5px; }
  .bhero__media { display: none; }

  .section--listing { padding-top: 18px; }
  .listing-bar { margin-bottom: 14px; }
  .sort > span { display: none; }
  .sort select { height: 38px; font-size: 13.5px; }
  .listing-group + .listing-group { margin-top: 36px; }
  .listing-group__title { font-size: 19px; margin-bottom: 14px; }
  .grid, .grid--related { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .grid .card__media, .grid--related .card__media { aspect-ratio: 1 / 1; padding: 12px; }
  .grid .card__body, .grid--related .card__body { padding: 12px 12px 14px; }
  .grid .card__title { font-size: 14px; }
  .grid .card__tags li { font-size: 11px; padding: 1px 6px; }
  .grid .card__price .price, .grid--related .card__price .price { font-size: 18px; }
  .grid .price-was { font-size: 12px; }
  .grid .badge-save { font-size: 11px; padding: 1px 5px; }
  .grid .card__foot .btn { height: 38px; margin-top: 10px; font-size: 13px; padding: 0 10px; }

  .pdp { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-top: 12px; padding-bottom: 40px; }
  .pdp__gallery { position: static; }
  .gallery__main { border-radius: var(--r-md); }
  .gallery__nav { width: 38px; height: 38px; margin-top: -19px; }
  .gallery__nav--prev { left: 8px; }
  .gallery__nav--next { right: 8px; }
  .gallery__thumbs {
    display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter);
  }
  .gallery__thumbs::-webkit-scrollbar { display: none; }
  .gallery__thumbs li { flex: 0 0 64px; }
  .pdp__title { font-size: 24px; }
  .pdp__price { padding: 16px 18px; }
  .pdp__now { font-size: 32px; }
  .pdp__buy { gap: 10px; }
  .pdp__add.btn { padding: 0 16px; }
  .spec-table { font-size: 14px; }

  .section--compat, .section--overview { padding-block: 40px; }
  .section__head--row { align-items: baseline; }
  .section__head--row .link-arrow { font-size: 13.5px; text-align: right; }
  .mgrid { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 16px; }
  .mcard { grid-template-columns: 72px minmax(0, 1fr) auto; gap: 12px; padding: 10px 12px 10px 10px; }
  .prose { font-size: 15px; }
  .section--related { padding-block: 40px 56px; }

  .search-panel__inner { height: 60px; }
  .search-panel input { font-size: 16px; }
  .sr__item { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; padding: 6px 4px; }
  .sr__media { width: 48px; height: 48px; }
  .sr__price { grid-column: 2; margin-top: -4px; font-size: 13px; }

  .page-head { margin: 14px 0 22px; }
  .page-title { font-size: 30px; }
  .page-sub { font-size: 15px; }
  .cart-list { padding: 0 16px 20px; }
  .cart-list__head { display: none; }
  .citem {
    grid-template-columns: 76px minmax(0, 1fr) auto; grid-template-areas: "m i i" "m q t";
    row-gap: 12px; column-gap: 14px; padding: 16px 0; align-items: start;
  }
  .citem__media { grid-area: m; }
  .citem__info { grid-area: i; }
  .citem .qty { grid-area: q; justify-self: start; }
  .citem__total { grid-area: t; align-self: center; font-size: 16px; }
  .citem__title { font-size: 15px; }
  .citem__remove { margin-top: 6px; }
  .cart-summary { padding: 20px; }
  .quote-panel { margin-top: 20px; }
  .quote-form { padding: 22px 18px; }
  .quote-form__title { font-size: 21px; }
  .field-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .quote-form__submit { width: 100%; }
  .quote-result { padding: 16px; }
  .quote-result__btns .btn { width: 100%; }
}

/* ================================================================== Task 8: AI Solution DIY */
.sol-page { padding-top: 0; background: var(--c-soft); }
.sol-head__eyebrow { color: #b27a12; }
.sol {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); align-items: start; gap: 32px;
}
.sol-step {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 26px; height: 26px; margin-right: 10px; border-radius: 50%;
  background: var(--c-yellow); color: var(--c-yellow-ink); font-size: 13px; font-weight: 800;
}
.sol-link {
  padding: 0; border: 0; background: none; color: var(--c-ink-2);
  font-size: 13px; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.sol-link:hover { color: var(--c-ink); }

/* left column */
.sol-bar { display: none; }
.sol-side { position: sticky; top: calc(var(--hdr-h) + 16px); min-width: 0; }
.sol-panel {
  display: flex; flex-direction: column; max-height: calc(100vh - var(--hdr-h) - 32px);
  overflow: hidden; border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm);
}
.sol-panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 16px 20px; border-bottom: 1px solid var(--c-line);
}
.sol-panel__title { display: flex; align-items: center; font-size: 17px; font-weight: 700; letter-spacing: -0.01em; color: var(--c-ink); }
.sol-panel__count { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--c-muted); }
.sol-panel__body { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; }

.appl { border-bottom: 1px solid var(--c-line); }
.appl__row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 10px; padding: 8px 12px 8px 16px; }
.appl__main { display: flex; align-items: center; gap: 12px; min-width: 0; cursor: pointer; }
.appl__check { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.appl__tick {
  position: relative; flex: none; width: 20px; height: 20px;
  border: 1.5px solid var(--c-line-2); border-radius: 6px; background: #fff; transition: background-color 0.15s, border-color 0.15s;
}
.appl__tick::after {
  content: ""; position: absolute; left: 6px; top: 2.5px; width: 5px; height: 10px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); opacity: 0;
}
.appl__check:focus-visible + .appl__tick { outline: 2px solid var(--c-ink); outline-offset: 2px; }
.appl.is-on .appl__tick { background: var(--c-ink); border-color: var(--c-ink); }
.appl.is-on .appl__tick::after { opacity: 1; }
.appl__icon {
  flex: none; width: 38px; height: 38px; padding: 8px; border-radius: 10px;
  background: var(--c-soft); color: var(--c-ink-2); transition: background-color 0.15s, color 0.15s;
}
.appl.is-on .appl__icon { background: #fdf0d6; color: #8a5a00; }
.appl__text { display: flex; flex-direction: column; min-width: 0; }
.appl__name { font-size: 15px; font-weight: 600; color: var(--c-ink); line-height: 1.25; }
.appl__meta { font-size: 12.5px; color: var(--c-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.appl.is-edited .appl__meta { color: #8a5a00; }
.qty--xs { height: 34px; }
.qty--xs .qty__btn { width: 30px; }
.qty--xs .qty__btn svg { width: 16px; height: 16px; }
.qty--xs .qty__input { width: 28px; font-size: 14px; }
.appl:not(.is-on) .appl__qty { border-color: var(--c-line); }
.appl:not(.is-on) .qty__input { color: var(--c-subtle); font-weight: 600; }
.appl__edit {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; padding: 0; border: 0; border-radius: 50%; background: none; color: var(--c-muted); cursor: pointer;
}
.appl__edit:hover { background: var(--c-soft); color: var(--c-ink); }
.appl__edit svg { width: 18px; height: 18px; transition: transform 0.2s var(--ease); }
.appl.is-open .appl__edit svg { transform: rotate(180deg); }
.appl__adv {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; align-items: end;
  margin: 0 12px 12px 48px; padding: 12px 14px; border-radius: var(--r-sm); background: var(--c-soft);
}
.appl__field { display: grid; gap: 4px; font-size: 12px; font-weight: 600; color: var(--c-muted); }
.appl__input {
  display: flex; align-items: center; height: 36px; padding: 0 10px;
  border: 1px solid var(--c-line-2); border-radius: var(--r-sm); background: #fff;
}
.appl__input input { width: 100%; min-width: 0; border: 0; padding: 0; background: none; font-size: 15px; font-weight: 600; color: var(--c-ink); outline-offset: 4px; }
.appl__input i { font-style: normal; color: var(--c-subtle); }
.appl__surge { font-size: 12.5px; color: var(--c-muted); }
.appl__reset { justify-self: end; }

.sol-opts { display: grid; gap: 16px; padding: 18px 20px 20px; }
.sol-opts__label { display: flex; flex-direction: column; font-size: 14.5px; font-weight: 700; color: var(--c-ink); }
.sol-opts__label small { font-size: 12.5px; font-weight: 400; color: var(--c-muted); }
.seg { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 0; padding: 0; border: 0; min-width: 0; }
.seg legend { float: left; padding: 0; }
.seg__row { display: inline-flex; padding: 3px; border-radius: var(--r-pill); background: var(--c-soft-2); }
.seg__opt { position: relative; cursor: pointer; }
.seg__opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg__opt span { display: block; padding: 6px 14px; border-radius: var(--r-pill); font-size: 13.5px; font-weight: 600; color: var(--c-ink-2); white-space: nowrap; }
.seg__opt input:checked + span { background: #fff; color: var(--c-ink); box-shadow: var(--shadow-sm); }
.seg__opt input:focus-visible + span { outline: 2px solid var(--c-ink); outline-offset: 1px; }
.switch { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch__ui { position: relative; flex: none; width: 46px; height: 28px; border-radius: 14px; background: var(--c-line-2); transition: background-color 0.2s; }
.switch__ui::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25); transition: transform 0.2s var(--ease);
}
.switch input:checked + .switch__ui { background: var(--c-ink); }
.switch input:checked + .switch__ui::after { transform: translateX(18px); }
.switch input:focus-visible + .switch__ui { outline: 2px solid var(--c-ink); outline-offset: 2px; }

.sol-sum {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px;
  padding: 14px 20px; background: var(--c-ink); color: #fff;
}
.sol-sum__item { display: flex; flex-direction: column; min-width: 0; }
.sol-sum__item span { font-size: 11.5px; line-height: 1.3; letter-spacing: 0.04em; color: var(--c-on-dark-3); }
.sol-sum { align-items: end; }
.sol-sum__item b { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.sol-sum__item:last-child b { color: var(--c-yellow); }

/* right column */
.sol-results { min-width: 0; }
.sol-results__head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; margin-bottom: 16px; }
.sol-results__meta { font-size: 14px; color: var(--c-muted); }
.sol-empty {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 56px 32px; border: 1.5px dashed var(--c-line-2); border-radius: var(--r-lg); background: #fff;
}
.sol-empty__art { width: 150px; height: 80px; color: var(--c-ink-2); }
.sol-empty__title { margin-top: 18px; font-size: 21px; font-weight: 700; color: var(--c-ink); }
.sol-empty__text { max-width: 46ch; margin: 8px 0 22px; font-size: 15px; color: var(--c-muted); }
.sol-empty__loading { margin-top: 14px; font-size: 13px; color: var(--c-muted); }

.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.plan {
  display: flex; flex-direction: column; min-width: 0; padding: 18px 18px 20px;
  border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm);
  animation: planIn 0.35s var(--ease) both; animation-delay: calc(var(--i, 0) * 40ms);
}
@keyframes planIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.plan.is-best { box-shadow: 0 0 0 2px var(--c-yellow), var(--shadow-md); }
.plan__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 26px; }
.plan__brand { font-size: 16px; font-weight: 800; letter-spacing: 0.14em; color: var(--c-ink); }
.plan__badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--r-pill);
  background: var(--c-yellow); color: var(--c-yellow-ink); font-size: 12px; font-weight: 800; letter-spacing: 0.02em;
}
.plan__box { margin-top: 10px; padding: 14px; border: 1.5px solid var(--c-line-2); border-radius: var(--r-md); }
.plan__viz { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 10px; }
.plan__viz.is-solo { grid-template-columns: minmax(0, 1fr); justify-items: center; }
.plan__viz.is-solo .plan__col { width: 60%; }
.plan__col { position: relative; min-width: 0; }
.plan__img {
  position: relative; display: block; aspect-ratio: 1 / 1; padding: 10px;
  border-radius: 10px; background: var(--c-media);
}
.plan__img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.plan__col--power.has-batt .plan__img:first-child { margin-right: 22%; margin-bottom: 22%; }
.plan__img--sm {
  position: absolute; right: 0; bottom: 0; width: 50%; padding: 6px;
  border: 2px solid #fff; box-shadow: var(--shadow-sm);
}
.plan__ph { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 12px; font-weight: 800; letter-spacing: 0.1em; color: var(--c-subtle); }
.plan__x {
  position: absolute; right: 6px; top: 6px; padding: 1px 7px; border-radius: var(--r-pill);
  background: var(--c-ink); color: #fff; font-size: 12px; font-weight: 800;
}
.plan__plus {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%; background: var(--c-yellow); color: var(--c-yellow-ink);
  font-size: 20px; font-weight: 700; line-height: 1;
}
.plan__nopv {
  display: flex; align-items: center; justify-content: center; aspect-ratio: 1 / 1; padding: 10px;
  border: 1.5px dashed var(--c-line-2); border-radius: 10px; text-align: center; font-size: 12.5px; color: var(--c-muted);
}
.plan__label {
  margin: 14px 0 6px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-muted);
}
.plan__lines { border-top: 1px solid var(--c-line); }
.plan__line {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: baseline;
  padding: 8px 0; border-bottom: 1px solid var(--c-line); font-size: 14px;
}
.plan__q { font-weight: 800; color: var(--c-ink); font-variant-numeric: tabular-nums; }
.plan__what { display: flex; flex-direction: column; min-width: 0; }
.plan__role { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--c-subtle); }
.plan__what a {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-weight: 600; line-height: 1.3; color: var(--c-ink);
}
.plan__what a:hover { text-decoration: underline; text-underline-offset: 3px; }
.plan__spec { margin-top: 1px; font-size: 12.5px; color: var(--c-muted); }
.plan__lp { font-weight: 600; color: var(--c-ink-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.plan__fit { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; margin-top: 12px; }
.plan__fit li {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; column-gap: 8px;
  min-width: 0; padding: 7px 10px; border-radius: var(--r-sm); background: var(--c-soft);
}
.plan__fit span { font-size: 12px; color: var(--c-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plan__fit b { font-size: 13.5px; font-weight: 800; color: var(--c-ink); white-space: nowrap; text-align: right; }
.plan__fit small { grid-column: 1 / -1; font-size: 11.5px; color: var(--c-green); }
.plan__fit small::before { content: "✓ "; font-weight: 700; }
.plan__fit small.is-warn { color: #b26b00; }
.plan__fit small.is-warn::before { content: "! "; }
.plan__foot { display: flex; flex-direction: column; margin-top: auto; padding-top: 16px; }
.plan__total { display: block; font-size: 28px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; color: var(--c-ink); }
.plan__note { margin-top: 10px; padding: 8px 10px; border-radius: var(--r-sm); background: #fdf5e4; font-size: 12.5px; line-height: 1.45; color: #6b4a0a; }
.plan__btns { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 8px; margin-top: 14px; }
.plan__btns .btn { height: 44px; padding: 0 12px; font-size: 14px; }
.plan--none { box-shadow: none; border: 1px solid var(--c-line); background: rgba(255, 255, 255, 0.6); }
.plan__box--none {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 180px;
  border-style: dashed; text-align: center; color: var(--c-muted);
}
.plan__box--none svg { width: 28px; height: 28px; color: var(--c-subtle); }
.plan__box--none p { font-size: 14.5px; color: var(--c-ink-2); }
.plan__box--none b { color: var(--c-ink); }
.plan__box--none small { max-width: 32ch; font-size: 12.5px; }
.plan__foot--none { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.plan__foot--none .btn { height: 40px; font-size: 14px; }

.sol-how { margin-top: 28px; padding: 16px 20px; border-radius: var(--r-md); background: #fff; font-size: 14px; color: var(--c-ink-2); }
.sol-how summary { font-weight: 700; color: var(--c-ink); cursor: pointer; }
.sol-how ul { display: grid; gap: 8px; margin-top: 12px; padding-left: 18px; list-style: disc; }
.sol-how li::marker { color: var(--c-subtle); }

@media (max-width: 1199px) {
  .sol { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
  .plans { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 767px) {
  .sol { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .sol-bar {
    position: sticky; top: var(--hdr-h); z-index: 30;
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    margin: -8px calc(-1 * var(--gutter)) -8px; padding: 8px var(--gutter);
    background: var(--c-ink); color: #fff; box-shadow: 0 6px 16px rgba(17, 18, 20, 0.18);
  }
  .sol-bar__stats { display: flex; align-items: baseline; gap: 6px; min-width: 0; font-size: 12.5px; color: var(--c-on-dark-2); white-space: nowrap; }
  .sol-bar__stats b { font-size: 14.5px; color: #fff; font-variant-numeric: tabular-nums; }
  .sol-bar__btn {
    flex: none; height: 32px; padding: 0 14px; border: 1px solid rgba(255, 255, 255, 0.4); border-radius: var(--r-pill);
    background: none; color: #fff; font-size: 13px; font-weight: 600;
  }
  .sol-side { position: static; }
  .sol-panel { max-height: none; }
  .sol-panel__body { overflow: visible; }
  .sol-side.is-collapsed .sol-panel__body { display: none; }
  .sol-panel__head { padding: 14px 16px; }
  .appl__row { padding: 8px 8px 8px 12px; gap: 6px; }
  .appl__main { gap: 10px; }
  .appl__icon { width: 34px; height: 34px; padding: 7px; }
  .appl__name { font-size: 14.5px; }
  .appl__adv { margin-left: 12px; }
  .sol-opts { padding: 16px; }
  .sol-sum { padding: 12px 16px; }
  .sol-sum__item b { font-size: 16px; }
  .sol-empty { padding: 36px 20px; }
  .plan { padding: 16px 14px 18px; }
  .plan__total { font-size: 26px; }
}

/* ------------------------------------------------------------------ About Us (Task 9) */
.ahero {
  position: relative; isolation: isolate; overflow: hidden;
  background:
    radial-gradient(55% 90% at 85% 80%, rgba(245, 181, 68, 0.22) 0%, rgba(245, 181, 68, 0) 60%),
    radial-gradient(60% 100% at 90% 10%, rgba(120, 128, 140, 0.3) 0%, rgba(40, 43, 48, 0) 70%),
    linear-gradient(120deg, #1d1f23 0%, #0f1012 75%);
  color: var(--c-on-dark);
}
.ahero__inner { padding-block: 36px 88px; }
.ahero__eyebrow { margin-top: 48px; }
.ahero__title { max-width: 22ch; margin-top: 16px; font-size: clamp(34px, 4.4vw, 60px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.08; }

.about-intro__inner { max-width: 920px; }
.about-lead { font-size: clamp(20px, 1.9vw, 26px); font-weight: 500; line-height: 1.45; letter-spacing: -0.01em; color: var(--c-ink); }
.about-lead strong { font-weight: 700; }
.about-p { font-size: 17px; line-height: 1.7; color: var(--c-ink-2); }
.about-p strong { font-weight: 700; color: var(--c-ink); }
.about-intro .about-p { margin-top: 18px; }
.about-copy > * + * { margin-top: 16px; }

.about-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.about-split--after { margin-top: 0; }
.about-h2 { max-width: 16ch; }

.about-brands { background: var(--c-soft); }
.bwall { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-block: 44px; }
.bwall__item > a, .bwall__item > span {
  display: flex; align-items: center; justify-content: center; gap: 6px; height: 76px; padding: 0 12px;
  border-radius: var(--r-md); font-size: 17px; font-weight: 800; letter-spacing: 0.08em; white-space: nowrap;
}
.bwall__item > a {
  background: #fff; color: var(--c-ink); box-shadow: var(--shadow-sm);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.bwall__item > a svg { width: 14px; height: 14px; opacity: 0.35; transition: opacity 0.2s, transform 0.2s var(--ease); }
.bwall__item > a:hover { background: var(--c-ink); color: #fff; transform: translateY(-2px); }
.bwall__item > a:hover svg { opacity: 1; transform: translateX(2px); color: var(--c-yellow); }
.bwall__item--text > span { border: 1px dashed var(--c-line-2); color: var(--c-muted); }

.about-mfg__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 360px); gap: 80px; align-items: center; }
.about-mfg__text .about-copy { margin-top: 28px; max-width: 62ch; }
.about-video { position: relative; }
.about-video::before {
  content: ""; position: absolute; inset: 24px -24px -24px 24px; z-index: -1;
  border-radius: var(--r-xl); background: var(--c-yellow); opacity: 0.9;
}
.about-mfg__inner { isolation: isolate; }
.about-video video {
  display: block; width: 100%; height: auto; aspect-ratio: 9 / 16;
  border-radius: var(--r-xl); background: #000; object-fit: cover; box-shadow: var(--shadow-lg);
}

.about-more { background: var(--c-dark); color: var(--c-on-dark); }
.about-more .section__title { color: #fff; }
.about-p--dark { color: var(--c-on-dark-2); }
.vcards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px;
  margin: 44px 0 0; padding: 0; list-style: none;
}
.vcard {
  display: flex; flex-direction: column; padding: 26px 22px 28px; border-radius: var(--r-lg);
  background: var(--c-dark-2); border: 1px solid var(--c-dark-line);
  transition: border-color 0.2s, transform 0.2s var(--ease);
}
.vcard:hover { border-color: rgba(245, 181, 68, 0.55); transform: translateY(-2px); }
.vcard__n { font-size: 13px; font-weight: 800; letter-spacing: 0.12em; color: var(--c-yellow); }
.vcard__title { margin-top: 28px; font-size: 19px; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; color: #fff; }
.vcard__body { margin-top: 10px; font-size: 14.5px; line-height: 1.6; color: var(--c-on-dark-2); }

.about-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.about-close { background: var(--c-yellow); color: var(--c-yellow-ink); }
.about-close__inner { padding-block: 80px; text-align: center; }
.about-close__slogan { max-width: 24ch; margin-inline: auto; font-size: clamp(28px, 3.4vw, 46px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.12; }
.about-close__slogan strong { font-weight: inherit; }
.about-close__sign { margin-top: 24px; font-size: 15.5px; line-height: 1.6; color: rgba(28, 20, 5, 0.78); }
.about-close__sign strong { color: var(--c-yellow-ink); }

/* ------------------------------------------------------------------ Contact (Task 9) */
.contact-page { padding-top: 0; background: var(--c-soft); min-height: 60vh; }
.contact-layout { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 28px; align-items: start; }
.contact-card { padding: 28px; border-radius: var(--r-lg); background: var(--c-dark); color: var(--c-on-dark); }
.contact-card__co { font-size: 12.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-on-dark-3); }
.contact-list { margin-top: 14px; }
.contact-item {
  display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 14px; align-items: center;
  padding-block: 16px; border-top: 1px solid var(--c-dark-line);
}
.contact-item:first-child { border-top: 0; }
.contact-item__icon {
  grid-row: span 2; display: grid; place-items: center; width: 44px; height: 44px;
  border-radius: var(--r-md); background: rgba(255, 255, 255, 0.08); color: var(--c-yellow);
}
.contact-item__icon svg { width: 21px; height: 21px; }
.contact-item__icon--wa { color: var(--c-wa); }
.contact-item__k { font-size: 12.5px; color: var(--c-on-dark-3); }
.contact-item__v { font-size: 17px; font-weight: 700; color: #fff; overflow-wrap: anywhere; }
a.contact-item__v:hover { text-decoration: underline; text-underline-offset: 3px; }
.contact-card__btns { display: grid; gap: 10px; margin-top: 18px; }

@media (max-width: 1199px) {
  .about-split { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .about-split--after > span { display: none; }
  .about-h2 { max-width: none; }
  .about-mfg__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 48px; }
  .contact-layout { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 767px) {
  .ahero__inner { padding-block: 22px 52px; }
  .ahero__eyebrow { margin-top: 28px; }
  .ahero__title { font-size: 32px; }
  .about-lead { font-size: 19px; }
  .about-p { font-size: 16px; }
  .bwall { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-block: 28px; }
  .bwall__item > a, .bwall__item > span { height: 60px; font-size: 15px; }
  .about-mfg__inner { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .about-video { width: 100%; max-width: 360px; margin-inline: auto; }
  .about-video::before { inset: 16px -12px -12px 16px; }
  .vcards { grid-template-columns: minmax(0, 1fr); gap: 12px; margin-top: 28px; }
  .vcard { padding: 20px 18px 22px; }
  .vcard__title { margin-top: 14px; }
  .about-cta .btn { flex: 1 1 100%; }
  .about-close__inner { padding-block: 56px; }
  .about-close__slogan { font-size: 28px; }
  .contact-card { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}