/* Theme Red V2 — 全新布局体系 */
@import url('fonts-noto.css');

:root {
  --r: #c41e3a;
  --r2: #8b0000;
  --r3: #ff4d5a;
  --ink: #141414;
  --mute: #666;
  --line: #e8e4e4;
  --paper: #f7f4f4;
  --white: #fff;
  --max: 1180px;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.theme-red {
  margin: 0;
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--mute);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}
body.theme-red img { max-width: 100%; height: auto; vertical-align: middle; }
body.theme-red a { color: var(--r); text-decoration: none; transition: color .2s, background .2s, opacity .2s; }
body.theme-red a:hover { color: var(--r2); }
body.theme-red h1, body.theme-red h2, body.theme-red h3, body.theme-red h4 {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 .6em;
}
body.theme-red p { margin: 0 0 1em; }
body.theme-red ul { margin: 0; padding: 0; list-style: none; }

.tr-wrap { width: min(100% - 40px, var(--max)); margin: 0 auto; }
.tr-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 28px;
  background: var(--r); color: #fff !important;
  border: 1.5px solid var(--r); font-weight: 500; letter-spacing: .06em;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.tr-btn:hover { background: var(--r2); border-color: var(--r2); color: #fff !important; transform: translateY(-1px); }
.tr-btn--ghost { background: transparent; color: #fff !important; border-color: rgba(255,255,255,.7); }
.tr-btn--ghost:hover { background: #fff; color: var(--r) !important; border-color: #fff; }
.tr-btn--outline { background: transparent; color: var(--r) !important; border-color: var(--r); }
.tr-btn--outline:hover { background: var(--r); color: #fff !important; }

/* ===== NAV ===== */
.tr-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}
.tr-nav.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(0,0,0,.04); }
.tr-nav__inner {
  width: min(100% - 40px, var(--max)); margin: 0 auto;
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.tr-nav__brand { display: flex; align-items: center; gap: 12px; color: var(--ink) !important; font-weight: 600; flex-shrink: 0; }
body.theme-red .tr-nav__brand img {
  width: 40px; height: 40px; max-width: 40px; max-height: 40px;
  object-fit: contain; flex-shrink: 0;
}
.tr-nav__brand span { font-family: 'Noto Serif SC', serif; font-size: 18px; letter-spacing: .08em; white-space: nowrap; }
.tr-nav__toggle {
  display: none; width: 40px; height: 40px; border: 0; background: transparent; cursor: pointer; padding: 8px;
}
.tr-nav__toggle span {
  display: block; height: 2px; margin: 6px 0; background: var(--r); transition: .25s;
}
.tr-nav__menu > ul { display: flex; align-items: center; gap: 4px; }
.tr-nav__menu > ul > li { position: relative; }
.tr-nav__menu > ul > li > a {
  display: block; padding: 10px 14px; color: var(--ink); font-weight: 500; font-size: 14px;
}
.tr-nav__menu > ul > li > a:hover { color: var(--r); }
.tr-nav__menu .has-sub > ul {
  position: absolute; top: 100%; left: 0; min-width: 160px;
  background: #fff; border: 1px solid var(--line); border-top: 2px solid var(--r);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s; z-index: 20;
}
.tr-nav__menu .has-sub:hover > ul { opacity: 1; visibility: visible; transform: none; }
.tr-nav__menu .has-sub > ul a {
  display: block; padding: 10px 16px; color: var(--ink); font-size: 13px; white-space: nowrap;
}
.tr-nav__menu .has-sub > ul a:hover { background: #fff5f5; color: var(--r); }

/* ===== HERO — full bleed ===== */
.tr-hero {
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: grid; align-items: end;
  padding: calc(var(--nav-h) + 40px) 0 72px;
  color: #fff; overflow: hidden;
}
.tr-hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.04);
}
.tr-hero__bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(115deg, rgba(40,0,0,.88) 0%, rgba(139,0,0,.72) 42%, rgba(196,30,58,.45) 100%),
    linear-gradient(0deg, rgba(0,0,0,.5) 0%, transparent 50%);
}
.tr-hero__grid {
  position: relative; z-index: 1;
  width: min(100% - 40px, var(--max)); margin: 0 auto;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: end;
}
.tr-hero__eyebrow {
  display: inline-block; margin-bottom: 18px;
  font-size: 12px; letter-spacing: .28em; text-transform: uppercase;
  color: rgba(255,255,255,.75); border-left: 3px solid var(--r3); padding-left: 12px;
}
body.theme-red .tr-hero__title {
  font-size: clamp(42px, 7vw, 72px); color: #fff !important; margin: 0 0 20px;
  letter-spacing: .06em; text-shadow: 0 8px 40px rgba(0,0,0,.35);
}
.tr-hero__desc {
  max-width: 34em; color: rgba(255,255,255,.92); font-size: 16px; line-height: 1.9; margin-bottom: 32px;
}
.tr-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.tr-hero__visual {
  justify-self: end; width: min(100%, 360px);
  border-radius: 28px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.2);
}
.tr-hero__visual img { display: block; width: 100%; }
.tr-hero__visual a { display: block; }

/* ===== SECTION SHELL ===== */
.tr-sec { padding: 96px 0; }
.tr-sec--paper { background: var(--paper); }
.tr-sec--ink { background: var(--ink); color: rgba(255,255,255,.78); }
.tr-sec--ink h2, .tr-sec--ink h3 { color: #fff !important; }
.tr-sec__head {
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end;
  margin-bottom: 48px; padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.tr-sec--ink .tr-sec__head { border-bottom-color: rgba(255,255,255,.12); }
.tr-sec__label {
  font-size: 12px; letter-spacing: .22em; color: var(--r); font-weight: 600; margin-bottom: 8px;
}
.tr-sec--ink .tr-sec__label { color: var(--r3); }
.tr-sec__head h2 { font-size: clamp(28px, 4vw, 40px); margin: 0; }
.tr-sec__head p { margin: 10px 0 0; max-width: 36em; color: var(--mute); }
.tr-sec--ink .tr-sec__head p { color: rgba(255,255,255,.65); }
.tr-sec__index { font-family: 'Noto Serif SC', serif; font-size: 64px; line-height: 1; color: rgba(196,30,58,.15); font-weight: 700; }

/* ===== FEATURES — bento ===== */
.tr-feat {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.tr-feat__item {
  background: #fff; border: 1px solid var(--line); padding: 32px 28px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.tr-feat__item:hover {
  border-color: var(--r); transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(196,30,58,.08);
}
.tr-feat__item:first-child:not(:only-child) { grid-column: span 2; grid-row: span 1; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.tr-feat__item:only-child { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; max-width: 720px; }
.tr-feat__icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; }
.tr-feat__icon img { max-height: 48px; }
.tr-feat__item h3 { font-size: 20px; margin: 0 0 8px; font-family: 'Noto Sans SC', sans-serif; font-weight: 600; }
.tr-feat__item p { margin: 0; font-size: 14px; }

/* ===== COUNTERS ===== */
.tr-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.tr-stats__item {
  background: #fff; padding: 40px 24px; text-align: center;
}
.tr-stats__num {
  display: block; font-family: 'Noto Serif SC', serif;
  font-size: clamp(36px, 5vw, 52px); color: var(--r); line-height: 1.1; margin-bottom: 8px;
}
.tr-stats__item p { margin: 0; color: var(--mute); font-size: 14px; letter-spacing: .08em; }

/* ===== INTERACT split ===== */
.tr-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; min-height: 480px;
}
.tr-split__media {
  background: var(--paper); display: flex; align-items: center; justify-content: center; padding: 48px;
  overflow: hidden;
}
.tr-split__media img { max-height: 420px; width: auto; object-fit: contain; }
.tr-split__media a { display: block; }
.tr-split__body {
  display: flex; flex-direction: column; justify-content: center;
  padding: 64px 56px; background: #fff;
}
.tr-split--flip .tr-split__media { order: 2; }
.tr-split--flip .tr-split__body { order: 1; background: var(--paper); }
.tr-split__icon { margin-bottom: 20px; }
.tr-split__icon img { height: 40px; }
.tr-split__body h2 { font-size: clamp(26px, 3vw, 36px); }
.tr-split__body p { margin-bottom: 28px; max-width: 32em; }

/* ===== VIDEO band ===== */
.tr-video {
  position: relative; min-height: 420px;
  display: flex; align-items: center; justify-content: center;
  background: #1a0a0a; overflow: hidden;
}
.tr-video__play {
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--r); color: #fff !important;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; box-shadow: 0 0 0 0 rgba(196,30,58,.4);
  animation: trPulse 2.4s infinite;
}
.tr-video__play:hover { background: var(--r3); color: #fff !important; }
@keyframes trPulse {
  0% { box-shadow: 0 0 0 0 rgba(196,30,58,.45); }
  70% { box-shadow: 0 0 0 28px rgba(196,30,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(196,30,58,0); }
}

/* ===== SCREENS scroll ===== */
.tr-screens {
  display: flex; gap: 20px; overflow-x: auto; padding-bottom: 12px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.tr-screens::-webkit-scrollbar { height: 4px; }
.tr-screens::-webkit-scrollbar-thumb { background: var(--r); }
.tr-screens__item {
  flex: 0 0 min(260px, 70vw); scroll-snap-align: start;
  background: #fff; border: 1px solid var(--line); overflow: hidden;
}
.tr-screens__item img { display: block; width: 100%; aspect-ratio: 9/16; object-fit: cover; }
.tr-screens__item a { display: block; }

/* ===== PRICING ===== */
.tr-price-tabs {
  display: inline-flex; background: var(--paper); padding: 4px; margin-bottom: 36px; gap: 4px;
}
.tr-price-tabs a {
  padding: 10px 28px; color: var(--mute); font-weight: 500; cursor: pointer;
}
.tr-price-tabs a.is-active, .tr-price-tabs a:hover {
  background: var(--r); color: #fff !important;
}
.tr-price-panel { display: none; }
.tr-price-panel.is-active { display: block; }
.tr-price-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.tr-price-card {
  border: 1px solid var(--line); background: #fff;
  display: flex; flex-direction: column; overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.tr-price-card:hover { border-color: var(--r); transform: translateY(-4px); }
.tr-price-card:nth-child(2) { border-color: var(--r); box-shadow: 0 20px 50px rgba(196,30,58,.12); }
.tr-price-card__top {
  padding: 32px 28px 24px;
  background: linear-gradient(160deg, var(--r) 0%, var(--r2) 100%);
  color: #fff;
}
.tr-price-card:not(:nth-child(2)) .tr-price-card__top {
  background: var(--ink);
}
.tr-price-card__top h3 { color: #fff !important; font-size: 22px; margin: 0 0 8px; font-family: 'Noto Sans SC', sans-serif; }
.tr-price-card__top span { font-size: 28px; font-family: 'Noto Serif SC', serif; }
.tr-price-card__body { padding: 28px; flex: 1; }
.tr-price-card__body li {
  padding: 10px 0 10px 36px; position: relative; border-bottom: 1px solid var(--line);
  color: var(--ink); font-size: 14px;
}
.tr-price-card__body li::before {
  content: '✓'; position: absolute; left: 12px; color: var(--r); font-weight: 700;
}

/* ===== NEWS ===== */
.tr-news {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 20px;
}
.tr-news__card {
  background: #fff; border: 1px solid var(--line); overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .25s, box-shadow .25s;
}
.tr-news__card:hover { border-color: var(--r); box-shadow: 0 16px 40px rgba(0,0,0,.06); }
.tr-news__card:first-child { grid-row: span 1; }
.tr-news__thumb { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--paper); }
.tr-news__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.tr-news__card:hover .tr-news__thumb img { transform: scale(1.05); }
.tr-news__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.tr-news__date { font-size: 12px; color: var(--r); letter-spacing: .08em; margin-bottom: 10px; }
.tr-news__body h3 { font-size: 18px; margin: 0 0 12px; font-family: 'Noto Sans SC', sans-serif; font-weight: 600; }
.tr-news__body h3 a { color: var(--ink); }
.tr-news__body h3 a:hover { color: var(--r); }
.tr-news__body p { font-size: 14px; flex: 1; margin-bottom: 16px; }
.tr-news__more { font-size: 13px; font-weight: 600; letter-spacing: .06em; color: var(--r); }

/* ===== CTA ===== */
.tr-cta {
  padding: 100px 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(196,30,58,.18), transparent 55%),
    radial-gradient(ellipse at 80% 30%, rgba(139,0,0,.12), transparent 50%),
    var(--paper);
  text-align: center;
}
.tr-cta h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 12px; color: var(--ink) !important; }
.tr-cta h3 { font-family: 'Noto Sans SC', sans-serif; font-weight: 400; color: var(--mute) !important; font-size: 18px; margin-bottom: 32px; }

/* ===== FOOTER ===== */
.tr-foot { background: #120808; color: rgba(255,255,255,.65); }
.tr-foot__main {
  width: min(100% - 40px, var(--max)); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 40px;
  padding: 72px 0 56px;
}
body.theme-red .tr-foot__brand img {
  width: 44px; height: 44px; max-width: 44px; max-height: 44px;
  object-fit: contain; margin-bottom: 16px; display: block;
}
.tr-foot__brand p { max-width: 22em; font-size: 14px; line-height: 1.8; }
.tr-foot__col h5 {
  color: #fff; font-size: 14px; letter-spacing: .14em; margin: 0 0 18px;
  font-family: 'Noto Sans SC', sans-serif; font-weight: 600;
}
.tr-foot__col li { margin-bottom: 10px; font-size: 14px; }
.tr-foot__col a { color: rgba(255,255,255,.65); }
.tr-foot__col a:hover { color: #fff; }
.tr-foot__qr img {
  width: 120px; background: #fff; display: block;
}
.tr-foot__copy {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0; text-align: center; font-size: 13px;
}
.tr-foot__copy a { color: rgba(255,255,255,.55); }
.tr-foot__copy a:hover { color: var(--r3); }
.tr-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  width: 44px; height: 44px; background: var(--r); color: #fff !important;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: .25s;
}
.tr-top.is-show { opacity: 1; visibility: visible; }

/* ===== INNER PAGE ===== */
.tr-page-hero {
  margin-top: var(--nav-h);
  padding: 80px 0 56px;
  background:
    linear-gradient(120deg, rgba(139,0,0,.92), rgba(196,30,58,.85)),
    #8b0000;
  color: #fff; position: relative; overflow: hidden;
}
.tr-page-hero::after {
  content: ''; position: absolute; right: -10%; top: -40%;
  width: 50%; height: 180%;
  background: radial-gradient(circle, rgba(255,255,255,.08), transparent 60%);
  pointer-events: none;
}
.tr-page-hero .tr-wrap { position: relative; z-index: 1; }
.tr-page-hero h1 {
  color: #fff !important; font-size: clamp(28px, 4vw, 42px); margin: 0;
  letter-spacing: .08em;
}
.tr-page-hero p { margin: 12px 0 0; color: rgba(255,255,255,.8); max-width: 36em; }
.tr-page-body { padding: 64px 0 96px; background: var(--paper); }

/* Product list — editorial */
.tr-plist {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px;
}
.tr-plist__item {
  grid-column: span 4; background: #fff; border: 1px solid var(--line);
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.tr-plist__item:nth-child(1),
.tr-plist__item:nth-child(7) { grid-column: span 8; flex-direction: row; }
.tr-plist__item:nth-child(1) .tr-plist__thumb,
.tr-plist__item:nth-child(7) .tr-plist__thumb { flex: 0 0 48%; aspect-ratio: auto; min-height: 280px; }
.tr-plist__item:hover {
  transform: translateY(-3px); border-color: var(--r);
  box-shadow: 0 18px 40px rgba(196,30,58,.08);
}
.tr-plist__thumb {
  display: block; aspect-ratio: 1; background:
    linear-gradient(145deg, #fff0f0, #eadede); overflow: hidden; position: relative;
}
.tr-plist__thumb img {
  width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0;
}
.tr-plist__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.tr-plist__body h2 {
  font-size: 17px; margin: 0 0 12px; font-family: 'Noto Sans SC', sans-serif; font-weight: 600;
}
.tr-plist__body h2 a { color: var(--ink); }
.tr-plist__body h2 a:hover { color: var(--r); }
.tr-plist__sub { color: var(--r); font-size: 13px; margin-bottom: 8px; }
.tr-plist__desc {
  font-size: 13px; line-height: 1.7; color: var(--mute); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.tr-pager { margin-top: 40px; text-align: center; }
.tr-pager .pagination { display: inline-flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.tr-pager .pagination > li > a,
.tr-pager .pagination > li > span,
.tr-pager a, .tr-pager span {
  display: inline-block; min-width: 40px; padding: 8px 12px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); text-align: center;
}
.tr-pager .pagination > .active > a,
.tr-pager .pagination > .active > span,
.tr-pager .active, .tr-pager .current,
.tr-pager a:hover {
  background: var(--r) !important; border-color: var(--r) !important; color: #fff !important;
}

/* Product detail */
.tr-pdetail {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start;
  background: #fff; border: 1px solid var(--line); padding: 40px;
}
.tr-pdetail__gallery { position: sticky; top: calc(var(--nav-h) + 20px); }
.tr-pdetail__cover {
  background: var(--paper); border: 1px solid var(--line); min-height: 200px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.tr-pdetail__cover img { width: 100%; display: block; }
.tr-pdetail__cover.is-empty { display: none; }
.tr-pdetail__pics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px;
}
.tr-pdetail__pics:empty { display: none; }
.tr-pdetail__pics img {
  aspect-ratio: 1; object-fit: cover; width: 100%; border: 1px solid var(--line); cursor: pointer;
}
.tr-pdetail__info h1 {
  font-size: clamp(22px, 3vw, 30px); margin-bottom: 12px;
  font-family: 'Noto Sans SC', sans-serif;
}
.tr-pdetail__sub { color: var(--r); margin-bottom: 20px; }
.tr-pdetail__meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px;
  padding: 20px 0; margin-bottom: 20px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.tr-pdetail__meta dt { color: var(--mute); margin: 0; }
.tr-pdetail__meta dd { margin: 0; color: var(--ink); font-weight: 500; }
.tr-pdetail__desc {
  background: #fff5f5; border-left: 3px solid var(--r);
  padding: 16px 18px; font-size: 14px; color: var(--ink); margin-bottom: 20px; line-height: 1.8;
}
.tr-pdetail__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.tr-pdetail__content {
  margin-top: 40px; background: #fff; border: 1px solid var(--line); padding: 40px;
}
.tr-pdetail__content-label {
  font-size: 12px; letter-spacing: .2em; color: var(--r); font-weight: 600;
  margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.tr-pdetail__content .tr-rich,
.tr-rich { font-size: 15px; line-height: 1.9; color: var(--mute); }
.tr-rich img { margin: 12px 0; }

/* About / content panel */
.tr-panel {
  background: #fff; border: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; min-height: 420px;
}
.tr-panel--single { grid-template-columns: 1fr; }
.tr-panel__main { padding: 48px; }
.tr-panel__side {
  background: var(--ink); color: rgba(255,255,255,.75); padding: 48px;
}
.tr-panel__side h3 { color: #fff !important; margin-bottom: 28px; font-size: 22px; }
.tr-panel__side dl { display: grid; gap: 16px; }
.tr-panel__side dt {
  font-size: 11px; letter-spacing: .16em; color: var(--r3); margin: 0 0 4px;
}
.tr-panel__side dd { margin: 0; color: #fff; font-size: 15px; }
.tr-panel__wx { margin-top: 28px; }
.tr-panel__wx img { width: 140px; background: #fff; padding: 8px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
  .tr-nav__toggle { display: block; }
  .tr-nav__menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .tr-nav__menu.is-open { max-height: 70vh; overflow: auto; }
  .tr-nav__menu > ul { flex-direction: column; align-items: stretch; padding: 12px 20px 24px; }
  .tr-nav__menu .has-sub > ul {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: 0; border-left: 2px solid var(--r); margin: 4px 0 8px 12px;
  }
  .tr-hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .tr-hero__visual { justify-self: start; width: min(100%, 280px); }
  .tr-feat { grid-template-columns: 1fr 1fr; }
  .tr-feat__item:first-child { grid-column: span 2; grid-template-columns: 1fr; }
  .tr-stats { grid-template-columns: 1fr 1fr; }
  .tr-split { grid-template-columns: 1fr; }
  .tr-split--flip .tr-split__media { order: 0; }
  .tr-split--flip .tr-split__body { order: 0; }
  .tr-split__body { padding: 48px 32px; }
  .tr-price-grid { grid-template-columns: 1fr; }
  .tr-news { grid-template-columns: 1fr; }
  .tr-foot__main { grid-template-columns: 1fr 1fr; }
  .tr-plist__item,
  .tr-plist__item:nth-child(1),
  .tr-plist__item:nth-child(7) { grid-column: span 6; flex-direction: column; }
  .tr-plist__item:nth-child(1) .tr-plist__thumb,
  .tr-plist__item:nth-child(7) .tr-plist__thumb { flex: none; aspect-ratio: 1; min-height: 0; }
  .tr-pdetail { grid-template-columns: 1fr; padding: 24px; }
  .tr-pdetail__gallery { position: static; }
  .tr-panel { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .tr-feat { grid-template-columns: 1fr; }
  .tr-feat__item:first-child { grid-column: span 1; }
  .tr-stats { grid-template-columns: 1fr; }
  .tr-foot__main { grid-template-columns: 1fr; }
  .tr-plist__item,
  .tr-plist__item:nth-child(1),
  .tr-plist__item:nth-child(7) { grid-column: span 12; }
  .tr-pdetail__meta { grid-template-columns: 1fr; }
  .tr-hero { min-height: auto; padding-bottom: 48px; }
  .tr-nav__brand span { display: none; }
}