:root {
  --red: #e23b32;
  --blue: #3a78e0;
  --blue-deep: #2f6ad4;
  --ink: #2c3138;
  --muted: #66707c;
  --line: #e6ebf2;
  --card: #f4f7fb;
  --header: clamp(72px, 6vw, 104px);
  --wrap: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

button, a { -webkit-tap-highlight-color: transparent; }

a { text-decoration: none; }

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin: 0 auto;
}

.wrap-wide {
  width: min(1220px, calc(100% - 48px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fff;
  height: var(--header);
}

.site-header.scrolled {
  box-shadow: 0 1px 0 rgba(20, 32, 51, 0.08);
}

body.overlay-nav .site-header {
  position: fixed;
  left: 0;
  right: 0;
  background: transparent;
}

body.overlay-nav .site-header.scrolled {
  background: #fff;
}

.header-inner {
  height: 100%;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  align-self: flex-start;
  flex: none;
}

.logo img {
  height: var(--header);
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav a {
  color: #5d6772;
  font-size: 20px;
  letter-spacing: 0.04em;
}

.nav a:hover,
.nav a.is-active {
  color: var(--red);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  color: #8b939e;
  font-size: 20px;
}

.lang-switch button {
  border: 0;
  background: none;
  padding: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: 0.04em;
}

.lang-switch button.is-on,
.lang-switch button:hover {
  color: var(--red);
}

body.overlay-nav .site-header:not(.scrolled) .nav a,
body.overlay-nav .site-header:not(.scrolled) .nav a:hover,
body.overlay-nav .site-header:not(.scrolled) .lang-switch,
body.overlay-nav .site-header:not(.scrolled) .lang-switch button:hover {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

body.overlay-nav .site-header:not(.scrolled) .nav a.is-active,
body.overlay-nav .site-header:not(.scrolled) .nav a.is-active:hover,
body.overlay-nav .site-header:not(.scrolled) .lang-switch button.is-on,
body.overlay-nav .site-header:not(.scrolled) .lang-switch button.is-on:hover {
  color: var(--red);
}

body.overlay-nav .site-header:not(.scrolled) .nav-toggle span {
  background: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #2c3138;
  border-radius: 2px;
}

.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  background: #d9d3cc;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
  overflow: hidden;
}

.hero-slide.is-on {
  opacity: 1;
  pointer-events: auto;
}

.hero-fabric {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-card {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 48%;
  transform: translateY(-50%);
  width: min(1080px, 82%);
  aspect-ratio: 16 / 3;
  overflow: hidden;
}

.hero-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-mark {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 90px;
  width: 40px;
  height: 47px;
  transform: translateX(-50%);
  display: block;
  cursor: pointer;
  animation: hero-heartbeat 1.4s ease-in-out infinite;
}

.hero-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#products {
  scroll-margin-top: calc(var(--header) + 12px);
}

@keyframes hero-heartbeat {
  0%, 60%, 100% { transform: translateX(-50%) scale(1); }
  15% { transform: translateX(-50%) scale(1.18); }
  30% { transform: translateX(-50%) scale(1); }
  45% { transform: translateX(-50%) scale(1.12); }
}

.hero-copy {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: max-content;
  max-width: 84%;
  padding: 0;
  text-align: left;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-copy .line-zh,
.hero-copy .line-en {
  margin: 0;
}

html[lang="zh-CN"] .hero-copy .line-zh {
  font-size: clamp(22px, 2.3vw, 34px);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.45;
  white-space: nowrap;
}

html[lang="en"] .hero-copy .line-en {
  font-size: clamp(18px, 1.7vw, 28px);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.3;
  white-space: nowrap;
}

html[lang="zh-CN"] .hero-copy .line-en,
html[lang="en"] .hero-copy .line-zh {
  margin-top: 6px;
  font-size: clamp(15px, 1.4vw, 20px);
  letter-spacing: 0.01em;
  line-height: 1.35;
  white-space: nowrap;
  opacity: 0.95;
}

html[lang="en"] .hero-copy {
  display: flex;
  flex-direction: column;
  max-width: 96%;
}

html[lang="en"] .hero-copy .line-en { order: -1; }
html[lang="en"] .hero-copy .line-en + .line-zh,
html[lang="en"] .hero-copy .line-zh { margin-top: 10px; }

.hero-dots {
  position: static;
  z-index: 2;
  display: grid;
  grid-auto-flow: column;
  justify-content: start;
  gap: 8px;
  width: auto;
  margin-top: 18px;
  padding: 0;
  pointer-events: none;
}

.hero-dot {
  width: 20px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.9);
  opacity: 0.6;
  cursor: pointer;
  pointer-events: auto;
}

.hero-dot.is-on {
  width: 38px;
  background: #cb1c1c;
}

.section {
  padding: 78px 0 24px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 36px;
  /* color: var(--blue); */
  color: #10539a;
  font-size: 26px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.section-title img {
  width: 35px;
  height: 35px;
  object-fit: contain;
  margin-right: 10px;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0 auto;
  overflow: visible;
}

.cat-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: #eee;
  z-index: 1;
  transition: transform 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.42s ease,
              filter 0.42s ease,
              opacity 0.42s ease;
}

/* hover：整卡放大压住两侧，形成层叠感 */
.cat-card:hover {
  transform: scale(1.15);
  z-index: 10;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

/* 其他卡片退后变暗 */
.cat-grid:hover .cat-card:not(:hover) {
  transform: scale(0.92);
  filter: brightness(0.65);
  opacity: 0.85;
}

.cat-card img {
  width: 100%;
  aspect-ratio: 4 / 3.15;
  object-fit: cover;
  transition: transform 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cat-card:hover img { transform: scale(1.06); }

.cat-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  min-width: 42%;
  padding: 6px 18px;
  color: #fff;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: center;
  background: rgba(181, 158, 156, 0.8);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  transition: background 0.38s ease;
}

/* hover 时背景加深 */
.cat-card:hover .cat-label {
  background: rgba(80, 20, 28, 0.88);
}

/* "点击查看"在 label 内流式排列，默认折叠 */
.cat-label::after {
  content: attr(data-i18n-after);
  display: block;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition: max-height 0.35s ease 0.05s,
              opacity 0.3s ease 0.1s,
              margin-top 0.35s ease 0.05s;
}

.cat-card:hover .cat-label::after {
  max-height: 30px;
  opacity: 1;
  margin-top: 5px;
}

.adv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.15fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: stretch;
  margin: 0 auto;
}

.adv-photo {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  background: #ddd;
}

.adv-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1.02;
}

.adv-photo .on {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.adv-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(102, 102, 102, 0.5);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.adv-photo:hover::before { opacity: 1; }

.adv-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(14px, 2vw, 24px) clamp(14px, 2.2vw, 26px);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.58) 0%, transparent 52%);
  overflow: hidden;
  transition: background 0.4s ease;
}

.adv-photo:hover .adv-content {
  background: transparent;
}

.adv-content h3 {
  margin: 0;
  flex-shrink: 0;
  color: #dcdcdc;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.adv-content h3::after {
  content: "";
  display: block;
  width: 52px;
  height: 8px;
  margin-top: 6px;
  margin-bottom: 0;
  background: url('https://cdn.djontier.com/nblingdi/res/image/line_bluew.png') no-repeat left center;
  background-size: contain;
  transition: background-image 0s;
}

.adv-photo:hover .adv-content h3::after {
  background-image: url('https://cdn.djontier.com/nblingdi/res/image/line_redw.png');
}

.adv-content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 12px;
  line-height: 1.75;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s ease 0.06s,
              opacity 0.36s ease 0.1s,
              margin-top 0.45s ease 0.06s;
  margin-top: 0;
}

.adv-photo:hover .adv-content p {
  max-height: 50vh;
  opacity: 1;
  margin-top: clamp(8px, 1vw, 14px);
}

html[lang="en"] .adv-content p {
  line-height: 1.5;
}

.adv-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 6px;
}

.adv-copy h3 {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.adv-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.contact-block { padding-bottom: 88px; }

.contact-block .section-title {
  margin-bottom: 34px;
  font-size: 26px;
}

.contact-block .section-title img {
  width: 70px;
  height: 70px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin: 0 auto;
}

.contact-card {
  position: relative;
  min-height: 210px;
  padding: 32px 22px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
  color: #465261;
  background-color: #f5f8ff;
  border-radius: 15px;
  transition: color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0px 5px 10px 1px 
		rgba(86, 151, 188, 0.42), 
		inset -4px 0px 5px 0px 
		rgba(255, 255, 255, 0.3);
  border: solid 1px #e2e8f2;
}

a.contact-card:hover {
  color: var(--blue-deep);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(36, 72, 130, 0.14);
}

.contact-icons {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-card .contact-qrcodes img {
  width: 110px;
  height: 110px;
  border-radius: 6px;
}

.contact-card img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.contact-card p {
  margin: 0;
  font-size: 16px;
  font-weight: 550;
  line-height: 1.7;
}

.contact-link {
  color: inherit;
  transition: color 0.25s ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--blue-deep);
}

.contact-card::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 75%;
  max-width: 292px;
  height: 8px;
  background-color: #c2261b;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.contact-card:hover::after {
  opacity: 1;
}

.page-hero {
  position: relative;
  height: clamp(420px, 56vw, 720px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #9aa3ad;
}

.page-hero img {
  position: absolute;
  left: 0;
  width: 100%;
  object-fit: cover;
}

.page-hero.crop img {
  top: -92px;
  height: calc(100% + 92px);
}

.page-hero.plain img {
  top: 0;
  height: 100%;
}

.page-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #fff;
  font-size: clamp(36px, 4.6vw, 60px);
  font-weight: 650;
  letter-spacing: 0.14em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
}

.season-bar {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  width: min(1220px, calc(100% - 48px));
  margin: 70px auto 45px;
  padding: 0;
}

.season-bar button {
  min-width: 0;
  width: 100%;
  height: 50px;
  padding: 0 22px;
  border: 0;
  /* background: var(--blue); */
  background-color: #10539a;
  opacity: 0.8;
  color: #fff;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.season-bar button.is-on {
  background: #cb1c1c;
  opacity: 1;
  font-weight: 700;
  font-size: 20px;
  height: 56px;
}

.season-bar button:hover { filter: brightness(1.05); }

.looks {
  width: min(1220px, calc(100% - 48px));
  margin: 28px auto 20px;
}

.look {
  display: grid;
  grid-template-columns: 58% 42%;
  align-items: center;
  margin: 0 0 80px;
}

.look[hidden] { display: none !important; }

/* 图片区：固定在第 1 列 */
.look-photo {
  grid-area: 1 / 1 / 2 / 2;
  position: relative;
  z-index: 0;
}

.look-photo img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

/* 文案卡片：跨两列，推到右缘，压在图片上 */
.look-copy {
  grid-area: 1 / 1 / 2 / 3;
  justify-self: end;
  width: 56%;
  position: relative;
  z-index: 1;
  padding: 25px 25px 20px;
  background: #fff;
  box-shadow: 0 6px 32px rgba(20, 32, 51, 0.09);
  overflow-wrap: break-word;
  word-break: break-word;
}

/* 反向：图在右，文在左 */
.look.is-reverse {
  grid-template-columns: 42% 58%;
}

.look.is-reverse .look-photo {
  grid-area: 1 / 2 / 2 / 3;
}

.look.is-reverse .look-copy {
  justify-self: start;
}

.look-copy h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 650;
}

.look-copy h2::before {
  content: "";
  width: 3px;
  height: 18px;
  /* background: var(--red); */
  background: #10539a;
  opacity: 0.8;
  flex: none;
}

.look-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

html[lang="en"] .look-copy p {
  line-height: 1.55;
}

/* Look 入场：图与描述卡片从两侧到位，标题和正文随后依次出现。
   900px 与上方单列布局断点一致。 */
.looks { overflow-x: clip; }

@media (min-width: 901px) {
  .look-photo,
  .look-copy {
    opacity: 0;
    transition:
      transform 0.75s cubic-bezier(0.22, 0.8, 0.24, 1),
      opacity 0.75s ease;
  }

  .look-photo { transform: translateX(-56px); }
  .look-copy {
    transform: translateX(56px);
    transition-delay: 0.08s;
  }

  .look.is-reverse .look-photo { transform: translateX(56px); }
  .look.is-reverse .look-copy { transform: translateX(-56px); }

  .look.is-in .look-photo,
  .look.is-in .look-copy {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .look-photo,
  .look-copy {
    opacity: 0;
    transform: translateY(28px);
    transition:
      transform 0.6s cubic-bezier(0.22, 0.8, 0.24, 1),
      opacity 0.6s ease;
  }

  .look.is-in .look-photo {
    opacity: 1;
    transform: none;
  }

  .look.is-in .look-copy {
    opacity: 1;
    transform: none;
    transition-delay: 0.14s;
  }
}

.look-copy h2,
.look-copy p {
  opacity: 0;
  transform: translateY(7px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.look.is-in .look-copy h2 {
  opacity: 1;
  transform: none;
  transition-delay: 0.62s;
}

.look.is-in .look-copy p {
  opacity: 1;
  transform: none;
  transition-delay: 0.9s;
}

@media (prefers-reduced-motion: reduce) {
  .look-photo,
  .look-copy,
  .look-copy h2,
  .look-copy p {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

.prose {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
  padding: 108px 0 108px;
}

.bilingual-title {
  margin: 0;
  font-size: 22px;
  font-weight: 650;
}

.bilingual-title .sub {
  display: block;
  margin-top: 4px;
  color: #4f4f4f;
  font-size: 15px;
  font-weight: 450;
}

.contact-page {
  padding: 108px 0 108px;
}

.contact-page .bilingual-title { margin-bottom: 36px; }

.contact-page .contact-grid { max-width: none; }

.about-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.about-list li {
  position: relative;
  margin: 0 0 22px;
  padding-left: 16px;
  color: #555e69;
  font-size: 15px;
  line-height: 1.95;
}

.about-list li:last-child {
  margin-bottom: 0;
}

.about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 3px;
  height: 16px;
  background: var(--blue);
}

.site-footer {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 460px;
  padding: 160px 20px 100px;
  color: #fff;
  text-align: center;
  background: #1d3a28 url("https://cdn.djontier.com/nblingdi/res/image/bg_sustainability.png") center bottom / cover no-repeat;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, #fff 0%, rgba(255, 255, 255, 0.72) 16%, rgba(255, 255, 255, 0) 46%);
  pointer-events: none;
}

.site-footer.is-fabric {
  color: #fff;
  background: #fff url("https://cdn.djontier.com/nblingdi/res/image/bg_footer.png") center / cover no-repeat;
}

.site-footer.is-fabric::before { display: none; }

.site-footer.is-fabric .footer-en,
.site-footer.is-fabric .footer-copy {
  opacity: 1;
}

.footer-inner { position: relative; z-index: 1; }

.footer-cn,
.footer-en,
.footer-copy {
  margin: 0;
}

.footer-cn { font-size: 16px; letter-spacing: 0.04em; }
.footer-en { margin-top: 4px; font-size: 15px; opacity: 0.92; }
.footer-copy {
  margin-top: 4px;
  font-size: 15px;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

html[lang="en"] .footer-names {
  display: flex;
  flex-direction: column;
}

html[lang="en"] .footer-en { order: -1; margin-top: 0; }
html[lang="en"] .footer-cn { margin-top: 4px; }

/* ≥ 1280px：中等大屏 */
@media (min-width: 1280px) {
  .adv-content h3 { font-size: 18px; }
  .adv-content p  { font-size: 13px; }
}

/* ≥ 1600px：大屏 */
@media (min-width: 1600px) {
  .adv-content h3 { font-size: 22px; }
  .adv-content p  { font-size: 15px; }
}

/* ≥ 1920px：超大屏 */
@media (min-width: 1920px) {
  .adv-content h3 { font-size: 26px; }
  .adv-content p  { font-size: 16px; }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 2;
  }

  .header-inner { position: relative; }

  .logo { position: relative; z-index: 2; }

  .nav {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    left: auto;
    width: min(200px, 72vw);
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: calc(var(--header) + 4px) 20px 16px;
    background: #fff;
    box-shadow: -4px 8px 24px rgba(20, 32, 51, 0.10);
    border-radius: 0 0 0 10px;
    z-index: 1;
  }

  .nav.open { display: flex; }

  .nav.open ~ .nav-toggle span,
  body.overlay-nav .site-header:not(.scrolled) .nav.open ~ .nav-toggle span {
    background: #2c3138;
  }

  .nav a,
  .lang-switch {
    width: 100%;
    padding: 10px 0;
    margin: 0;
  }

  body.overlay-nav .site-header:not(.scrolled) .nav a,
  body.overlay-nav .site-header:not(.scrolled) .nav a:hover,
  body.overlay-nav .site-header:not(.scrolled) .lang-switch,
  body.overlay-nav .site-header:not(.scrolled) .lang-switch button:hover {
    color: #5d6772;
    text-shadow: none;
  }

  body.overlay-nav .site-header:not(.scrolled) .lang-switch {
    color: #8b939e;
  }

  body.overlay-nav .site-header:not(.scrolled) .nav a.is-active,
  body.overlay-nav .site-header:not(.scrolled) .nav a.is-active:hover,
  body.overlay-nav .site-header:not(.scrolled) .lang-switch button.is-on,
  body.overlay-nav .site-header:not(.scrolled) .lang-switch button.is-on:hover {
    color: var(--red);
  }

  .cat-grid,
  .adv-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cat-card:hover,
  .cat-grid:hover .cat-card:not(:hover) {
    transform: none;
    box-shadow: none;
    opacity: 1;
    filter: brightness(1);
  }

  /* look：小屏取消叠加，改为普通单列 */
  .look,
  .look.is-reverse {
    display: block;
    margin-bottom: 48px;
  }

  .look-photo { z-index: auto; }

  .look-photo img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .look-copy,
  .look.is-reverse .look-copy {
    justify-self: unset;
    width: auto;
    padding: 20px 0 0;
    background: transparent;
    box-shadow: none;
  }

  .hero-card {
    width: min(94%, 1080px);
    aspect-ratio: 16 / 4.5;
    overflow: visible;
  }

  .hero-copy {
    left: 50%;
    right: auto;
    width: max-content;
    max-width: 88%;
  }

  .season-bar {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin: 48px auto 32px;
  }

  .season-bar button {
    width: 100%;
    padding: 0 8px;
    white-space: nowrap;
  }

  .adv-photo img { aspect-ratio: 16 / 10; }

  /* page-hero：平板端裁切偏移收窄，标题字号自适应 */
  .page-hero h1 {
    font-size: clamp(28px, 4.6vw, 60px);
    letter-spacing: 0.1em;
  }
  .page-hero.crop img {
    top: -60px;
    height: calc(100% + 60px);
  }
}

@media (max-width: 640px) {
  .wrap,
  .wrap-wide,
  .season-bar,
  .looks,
  .prose { width: min(100% - 32px, var(--wrap)); }
  .season-bar { margin: 40px auto 28px; }
  .header-inner { width: calc(100% - 24px); }
  .section { padding-top: 56px; }
  .contact-block .section-title {
    margin-bottom: 28px;
    font-size: 22px;
  }
  .contact-block .section-title img {
    width: 36px;
    height: 36px;
  }
  .contact-card {
    min-height: 184px;
    padding: 26px 18px 22px;
  }
  .contact-card img {
    width: 38px;
    height: 38px;
  }
  .contact-card p { font-size: 14px; }
  .contact-card::after {
    width: 72%;
    height: 4px;
  }
  .look-photo img { height: 240px; }
  .site-footer { min-height: 360px; padding-top: 110px; }
  .site-footer.is-fabric {
    min-height: 220px;
    padding: 48px 16px 28px;
    background-position: center bottom;
    background-size: cover;
  }

  /* 通用 section-title 字号缩小（contact-block 已单独处理） */
  .section-title { font-size: 22px; }
  .section-title img { width: 28px; height: 28px; margin-right: 8px; }

  /* product 页 look 区域 */
  .look-copy h2 { font-size: 17px; }
  .look-copy p { font-size: 14px; }
  .season-bar button {
    height: 44px;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.02em;
  }
  .season-bar button.is-on {
    height: 50px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  /* about / contact 页 */
  .prose { padding: 72px 0 72px; }
  .bilingual-title { font-size: 19px; }
  .contact-page { padding: 72px 0 72px; }
  .contact-page .bilingual-title { margin-bottom: 26px; }
  .about-list li { font-size: 14px; line-height: 1.85; margin-bottom: 16px; }

  /* page-hero：手机端标题进一步缩小 */
  .page-hero h1 {
    font-size: clamp(24px, 6vw, 36px);
    letter-spacing: 0.08em;
  }
  .page-hero.crop img { top: -40px; height: calc(100% + 40px); }

  /* index 首页 cat-label 字号 */
  .cat-label { font-size: 17px; padding: 5px 14px; }

  /* 轮播卡片：取消固定比例，改用最小高度，允许文字撑开 */
  .hero-card {
    aspect-ratio: unset;
    min-height: 96px;
    overflow: visible;
  }

  /* 轮播文字：字号缩小，避免折行后超出卡片 */
  html[lang="zh-CN"] .hero-copy .line-zh {
    font-size: clamp(14px, 4vw, 18px);
  }
  html[lang="en"] .hero-copy .line-en {
    font-size: clamp(13px, 3.4vw, 16px);
    white-space: normal;
  }
  html[lang="zh-CN"] .hero-copy .line-en,
  html[lang="en"] .hero-copy .line-zh {
    font-size: clamp(12px, 3.2vw, 15px);
    white-space: normal;
  }
}

/* 超小屏（≤ 480px）：全站各页面进一步收窄 */
@media (max-width: 480px) {
  /* 首页轮播 */
  .hero-mark { bottom: 50px; width: 32px; height: 38px; }
  .hero-copy { max-width: 92%; }
  html[lang="zh-CN"] .hero-copy .line-zh {
    font-size: clamp(13px, 3.6vw, 16px);
    letter-spacing: 0.04em;
  }
  html[lang="en"] .hero-copy .line-en {
    font-size: clamp(12px, 3.2vw, 14px);
  }

  /* 通用布局 */
  .section { padding-top: 44px; }
  .section-title { font-size: 18px; gap: 6px; }
  .section-title img { width: 24px; height: 24px; margin-right: 6px; }

  /* page-hero（内页 banner） */
  .page-hero h1 {
    font-size: clamp(20px, 5.6vw, 28px);
    letter-spacing: 0.06em;
  }
  .page-hero.crop img { top: -28px; height: calc(100% + 28px); }

  /* product 页 look 卡片 */
  .look-photo img { height: 200px; }
  .look-copy h2 { font-size: 16px; margin-bottom: 10px; }
  .look-copy p { font-size: 13px; line-height: 1.75; }

  /* product 页 season-bar：三列并排，选中项仍加大加粗 */
  .season-bar { gap: 8px; margin: 32px auto 20px; }
  .season-bar button {
    height: 40px;
    padding: 0 4px;
    font-size: 12px;
    letter-spacing: 0;
  }
  .season-bar button.is-on {
    height: 46px;
    padding: 0 4px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0;
  }

  /* about 页 */
  .prose { padding: 54px 0 54px; }
  .bilingual-title { font-size: 17px; }
  .about-list { margin-top: 20px; }
  .about-list li { font-size: 13px; margin-bottom: 14px; }

  /* contact 页 */
  .contact-page { padding: 54px 0 54px; }
  .contact-page .bilingual-title { margin-bottom: 20px; }
  .contact-card { min-height: 160px; padding: 20px 16px 18px; gap: 14px; }
  .contact-card img { width: 34px; height: 34px; }
  .contact-card p { font-size: 13px; }

  /* footer */
  .site-footer { min-height: 300px; padding-top: 80px; }
  .site-footer.is-fabric {
    min-height: 200px;
    padding: 40px 16px 22px;
    background-position: center bottom;
    background-size: cover;
  }
  .footer-cn { font-size: 14px; }
}

/* 横屏超矮手机：banner 保留最小可读高度 */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { min-height: 420px; }
}