/* 蛮牛户外 �?设计系统 */
:root {
  --green-950: #0a1f14;
  --green-900: #0f2e1c;
  --green-800: #164a2c;
  --green-700: #1b5e38;
  --green-600: #247a48;
  --green-500: #2f9458;
  --green-100: #e4f0e8;
  --green-50: #f2f7f4;
  --ink: #121a15;
  --ink-muted: #4a5a50;
  --paper: #fafcfa;
  --white: #ffffff;
  --line: rgba(15, 46, 28, 0.12);
  --shadow: 0 18px 50px rgba(10, 31, 20, 0.12);
  --radius: 4px;
  --nav-h: 92px;
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "Manrope", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* —�?导航 —�?*/
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s;
}

.site-header.is-scrolled,
.site-header.theme-solid {
  background: rgba(250, 252, 250, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header.is-scrolled .logo-text,
.site-header.is-scrolled .nav-toggle,
.site-header.theme-solid .logo-text,
.site-header.theme-solid .nav-toggle {
  color: var(--ink);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.34rem;
  z-index: 2;
}

.logo-main {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
}

.logo-main .logo-text {
  transform: translateY(3px);
}

/* 兼容旧结构：直接子级商标+文字仍横排 */
.logo > .logo-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
}

.logo:not(:has(.logo-main)) {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.65rem;
  row-gap: 0.18rem;
}

.logo-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--white);
  transition: color 0.3s;
  line-height: 1;
  display: flex;
  align-items: center;
  height: 44px;
}

.logo-text small {
  display: none;
}

.logo-wisdom {
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1;
  padding-left: 0;
  white-space: nowrap;
}

.site-header.is-scrolled .logo-wisdom,
.site-header.theme-solid .logo-wisdom {
  color: rgba(18, 26, 21, 0.62);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links > a,
.nav-parent {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 500;
  position: relative;
  transition: color 0.3s, opacity 0.3s;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.12rem;
  line-height: 1.1;
  text-align: center;
}

.nav-zh {
  display: block;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-en {
  display: block;
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.72;
  line-height: 1;
  white-space: nowrap;
}

.nav-label {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.12rem;
  line-height: 1.1;
}

.nav-links > a::after,
.nav-parent::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 0.3s var(--ease);
}

.nav-links > a:hover::after,
.nav-links > a.is-active::after,
.nav-item:hover .nav-parent::after,
.nav-parent.is-active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-item {
  position: relative;
  height: var(--nav-h);
  display: flex;
  align-items: center;
}

.nav-parent {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
}

.nav-parent .caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
  transition: transform 0.25s var(--ease);
  margin-top: -0.55rem;
}

.nav-item:hover .caret,
.nav-item.is-open .caret {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% - 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 156px;
  padding: 0.45rem 0;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  z-index: 120;
}

.nav-item:hover .nav-dropdown,
.nav-item.is-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-flyout {
  position: relative;
}

.nav-flyout-link,
.nav-dropdown > a,
.nav-submenu a,
.nav-submenu-empty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  box-sizing: border-box;
  min-height: 2.5rem;
  padding: 0.5rem 1.15rem;
  line-height: 1.3;
  color: var(--ink) !important;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.nav-flyout-link::after,
.nav-dropdown > a::after,
.nav-submenu a::after {
  display: none;
}

.nav-flyout-link:hover,
.nav-flyout:hover > .nav-flyout-link,
.nav-dropdown > a:hover,
.nav-submenu a:hover {
  background: var(--green-50);
  color: var(--green-800) !important;
}

.nav-flyout .caret-side {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 5px solid currentColor;
  opacity: 0.55;
  flex-shrink: 0;
}

.nav-submenu {
  position: absolute;
  top: -0.45rem;
  left: calc(100% - 4px);
  min-width: 168px;
  height: auto;
  padding: 0.45rem 0;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), visibility 0.2s, transform 0.2s var(--ease);
  transform: translateX(6px);
  z-index: 130;
}

.nav-flyout:hover > .nav-submenu,
.nav-flyout.is-open > .nav-submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

.nav-submenu a {
  justify-content: flex-start;
  width: 100%;
}

.nav-submenu-empty {
  justify-content: flex-start;
  color: var(--ink-muted) !important;
  cursor: default;
}

.site-header.is-scrolled .nav-links > a,
.site-header.is-scrolled .nav-parent,
.site-header.is-scrolled .nav-toggle,
.site-header.theme-solid .nav-links > a,
.site-header.theme-solid .nav-parent,
.site-header.theme-solid .nav-toggle {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease);
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* —�?按钮 —�?*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--green-700);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-600);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.btn-outline {
  background: transparent;
  border-color: var(--green-800);
  color: var(--green-800);
}

.btn-outline:hover {
  background: var(--green-800);
  color: var(--white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* —�?首页 Hero —�?*/
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: visible;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  transform-origin: center center;
  will-change: transform;
  animation: heroZoom 18s ease-in-out infinite;
  image-rendering: -webkit-optimize-contrast;
}

@keyframes heroZoom {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 31, 20, 0.35) 0%, rgba(10, 31, 20, 0.15) 40%, rgba(10, 31, 20, 0.78) 100%),
    linear-gradient(90deg, rgba(10, 31, 20, 0.45) 0%, transparent 55%);
}

.hero-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5.5rem;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 0;
}

.hero-brand-block {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.12s forwards;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 5.8vw, 3.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 0.28rem;
  white-space: nowrap;
}

.hero-en {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  width: 100%;
  box-sizing: border-box;
  padding-inline: 0.28em;
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 1.3vw, 0.88rem);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 0;
  line-height: 1.2;
}

.hero-en span {
  flex: 0 0 auto;
}

.hero-en-space {
  flex: 0 0 0.55em;
  width: 0.55em;
}

.hero-tagline {
  display: none;
}

.hero-values {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: flex-start;
  width: auto;
  max-width: 100%;
  margin: 0 0 1.35rem;
  font-size: inherit;
  font-weight: 500;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.28s forwards;
}

.hero-value {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.22rem;
  text-align: center;
  padding: 0;
  box-sizing: border-box;
}

.hero-value:first-child {
  padding-left: 0;
}

.hero-value:last-of-type {
  padding-right: 0;
}

.hero-value-sep {
  flex: 0 0 1px;
  width: 1px;
  align-self: stretch;
  margin: 0.15rem 1.15rem;
  background: rgba(255, 255, 255, 0.28);
}

.hero-value-zh {
  font-size: clamp(0.98rem, 1.9vw, 1.18rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.94);
}

.hero-value-en {
  font-family: var(--font-display);
  font-size: clamp(0.52rem, 0.95vw, 0.64rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.55);
  max-width: none;
  white-space: nowrap;
  overflow: visible;
  padding-bottom: 0.15em;
}

.hero-desc {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  width: fit-content;
  max-width: 100%;
  font-size: clamp(0.98rem, 1.9vw, 1.18rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.94);
  margin-bottom: 0;
  line-height: 1.55;
  opacity: 0;
  animation: heroDescFade 0.9s var(--ease) 0.42s forwards;
}

.hero-desc-zh {
  white-space: nowrap;
}

.hero-desc-en {
  display: block;
  width: max-content;
  max-width: 100%;
  margin-top: 0.28rem;
  padding-bottom: 0.4em;
  font-family: "Noto Sans SC", "Segoe UI", Arial, sans-serif;
  font-size: clamp(0.66rem, 1.15vw, 0.78rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
  overflow: visible;
}

@keyframes heroDescFade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 1.35rem;
  z-index: 2;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.4rem;
  color: rgba(255, 255, 255, 0.9);
  transition: opacity 0.35s var(--ease), color 0.25s;
}

.hero-scroll:hover {
  color: #fff;
}

.hero-scroll.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.hero-scroll-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.06rem;
  animation: heroScrollBounce 1.85s var(--ease) infinite;
}

.hero-scroll-chevron {
  display: block;
  width: 1.55rem;
  height: 0.62rem;
  margin: 0;
  border: 0;
  transform: none;
  opacity: 0.35;
}

.hero-scroll-chevron:first-child {
  opacity: 0.95;
}

.hero-scroll-chevron:nth-child(2) {
  opacity: 0.62;
}

.hero-scroll-chevron:nth-child(3) {
  opacity: 0.32;
}

@keyframes heroScrollBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

.hero .btn-group {
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.4s forwards;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —�?通用区块 —�?*/
.section {
  padding: 5.5rem 0;
}

.section-head {
  margin-bottom: 2.75rem;
  max-width: 36rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 0.65rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-head p {
  color: var(--ink-muted);
  font-size: 1rem;
}

.section-alt {
  background:
    linear-gradient(180deg, var(--green-50) 0%, var(--paper) 100%);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— 产品线入口 —— */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.category-grid.cats-3 {
  grid-template-columns: repeat(3, 1fr);
}

.category-item {
  background: var(--white);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: background 0.35s var(--ease);
  min-height: 180px;
}

.category-item:hover {
  background: var(--green-900);
  color: var(--white);
}

.category-item:hover .cat-desc,
.category-item:hover .cat-link {
  color: rgba(255, 255, 255, 0.72);
}

.cat-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--green-600);
  transition: color 0.35s;
}

.category-item:hover .cat-num {
  color: var(--green-100);
}

.cat-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.cat-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  flex: 1;
  transition: color 0.35s;
}

.cat-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green-700);
  transition: color 0.35s;
}

/* —— 首页产品矩阵（一行四格 + 小图） —— */
.container-wide {
  width: min(100% - 1.5rem, 1440px);
}

.home-about-matrix {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.home-about-matrix .about-band {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.matrix-block .section-head {
  margin-bottom: 1.75rem;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.matrix-frame {
  display: flex;
  flex-direction: column;
  background: var(--white);
  overflow: hidden;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}

.matrix-frame:hover {
  background: var(--green-900);
  color: var(--white);
}

.matrix-media {
  position: relative;
  display: block;
  height: 220px;
  padding: 0;
  overflow: hidden;
  background: #e8efe9;
}

.matrix-frame:hover .matrix-media {
  background: #e8efe9;
}

.matrix-media img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  filter: none;
  transition: transform 0.55s var(--ease);
}

.matrix-frame:hover .matrix-media img {
  transform: scale(1.06);
}

.matrix-soon-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  padding: 0.35rem 0.7rem;
  background: rgba(10, 31, 20, 0.55);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  white-space: nowrap;
}

.matrix-frame:hover .matrix-soon-mark {
  color: rgba(255, 255, 255, 0.95);
}

.matrix-frame.is-soon .matrix-media img {
  filter: saturate(0.85) brightness(0.92);
}

.matrix-body {
  padding: 0.85rem 1.35rem 1.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.matrix-body .cat-name {
  font-size: 1.2rem;
}

.matrix-body .cat-desc {
  font-size: 0.86rem;
  line-height: 1.45;
}

.matrix-frame:hover .cat-num {
  color: var(--green-100);
}

.matrix-frame:hover .cat-desc,
.matrix-frame:hover .cat-link {
  color: rgba(255, 255, 255, 0.72);
}

.matrix-frame.is-soon .matrix-media {
  opacity: 0.9;
}

/* —— 产品卡片列表 —— */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}

.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.product-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f2f2f2;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.product-card-media.is-logo {
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #f7f7f5 0%, #eef1ef 100%);
  padding: 1.5rem;
}

.product-card-media.is-logo img {
  width: auto;
  height: auto;
  max-width: 58%;
  max-height: 72%;
  object-fit: contain;
}

/* 整机完整入画（竖向产品不被裁切） */
.product-card-media.is-full {
  background: #f5f5f5;
  padding: 0.75rem 1rem;
}

.product-card-media.is-full img {
  object-fit: contain;
  object-position: center;
}

/* 未上线产品占位：保留 DOM，前台不展示；上线后去掉 is-unlisted / hidden 即可 */
.is-unlisted {
  display: none !important;
}

.product-card:hover .product-card-media img {
  transform: scale(1.05);
}

.product-card-body {
  padding: 1.5rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-600);
}

.product-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
}

.product-model {
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.product-card-body p {
  font-size: 0.92rem;
  color: var(--ink-muted);
  margin-top: 0.25rem;
}

.product-card-body .more {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green-700);
}

/* —�?关于摘要 —�?*/
.about-band {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 4vw, 3.75rem);
  align-items: center;
}

.about-band-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.about-band-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-band-media::before {
  content: "";
  position: absolute;
  inset: auto -12% -12% auto;
  width: 55%;
  height: 40%;
  background: var(--green-700);
  z-index: -1;
}

.about-band-text .section-label {
  margin-bottom: 0.5rem;
}

.about-band-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.about-band-text .slogan {
  color: var(--green-600);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.about-band-text p {
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2rem 0 2.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat-row.is-empty {
  min-height: 1.25rem;
  padding: 1.1rem 0;
}

/* 成就数据占位：代码里保留，前台不显示 */
.stat-row.is-placeholder,
.stat-row[hidden] {
  display: none !important;
}

.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--green-800);
  line-height: 1.2;
}

.stat-item span {
  font-size: 0.82rem;
  color: var(--ink-muted);
}

/* —�?页面�?—�?*/
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 4.5rem) 0 4rem;
  color: var(--white);
  overflow: hidden;
  background: var(--green-900);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.page-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 31, 20, 0.92) 0%, rgba(22, 74, 44, 0.75) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.page-hero p {
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
}

/* —�?关于�?—�?*/
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-story h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  margin-bottom: 1rem;
}

.about-story p {
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.about-story-media {
  margin: 0;
}

.about-story-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.culture-item {
  padding: 2rem 1.5rem;
  background: var(--white);
  border-top: 3px solid var(--green-700);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green-700);
}

.culture-item h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.culture-item p {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* —�?产品筛�?—�?*/
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
}

.product-empty {
  margin: 0.5rem 0 1.5rem;
  padding: 1.5rem 1.25rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--ink-muted);
  text-align: center;
  background: rgba(15, 46, 28, 0.02);
}

.product-empty[hidden] {
  display: none !important;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-muted);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.25s;
  min-width: 6.5rem;
  text-align: center;
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--green-800);
  border-color: var(--green-800);
  color: var(--white);
}

/* —�?产品详情 —�?*/
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.detail-gallery {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  background: var(--green-100);
  aspect-ratio: 1;
  overflow: hidden;
}

.detail-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* 产品图弹窗预�?*/
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 20, 16, 0.88);
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.lightbox.is-open {
  opacity: 1;
}

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

.lightbox-img {
  max-width: min(96vw, 1100px);
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  background: #f2f2f2;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.1rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.28);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.28);
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

.lightbox-hint {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .lightbox {
    padding: 1rem;
  }

  .lightbox-nav {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1.4rem;
  }

  .lightbox-prev {
    left: 0.4rem;
  }

  .lightbox-next {
    right: 0.4rem;
  }

  .lightbox-hint {
    font-size: 0.7rem;
  }
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.thumb {
  border: 1.5px solid var(--line);
  background: var(--white);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: var(--radius);
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumb.is-active,
.thumb:hover {
  border-color: var(--green-700);
}

@media (max-width: 720px) {
  .thumb-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.detail-info .product-tag {
  margin-bottom: 0.5rem;
}

.detail-info h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.4rem;
}

.detail-info .model {
  color: var(--ink-muted);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.detail-info .lead {
  color: var(--ink-muted);
  margin-bottom: 1.75rem;
}

.detail-block {
  margin-bottom: 1.75rem;
}

.detail-block h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.param-table th,
.param-table td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.param-table th {
  width: 38%;
  color: var(--ink-muted);
  font-weight: 500;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.feature-list li {
  padding-left: 1.15rem;
  position: relative;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--green-600);
  border-radius: 50%;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--green-700);
  margin-bottom: 1.5rem;
}

/* —�?联系�?—�?*/
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--ink-muted);
  margin-bottom: 2rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.contact-list li {
  display: grid;
  gap: 0.2rem;
}

.contact-list .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-600);
}

.contact-list .value {
  font-size: 1.02rem;
  font-weight: 500;
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 2rem 1.75rem;
}

.contact-form-wrap h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-row {
  margin-bottom: 1.1rem;
}

.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
  color: var(--ink);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(36, 122, 72, 0.15);
}

.form-row textarea {
  min-height: 140px;
  resize: vertical;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2.5rem 1rem;
}

.form-success.is-show {
  display: block;
}

.form-success.is-show + .contact-form,
.contact-form.is-hidden {
  display: none;
}

.form-success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-700);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
}

.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

/* —�?页脚 —�?*/
.site-footer {
  background: var(--green-950);
  color: rgba(255, 255, 255, 0.78);
  padding: 3.5rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.34rem;
}

.footer-brand .logo-main {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.footer-brand .logo-mark {
  width: 44px;
  height: 44px;
  display: block;
  flex-shrink: 0;
}

.footer-brand .logo-text {
  color: var(--white);
  margin: 0;
  padding: 0;
  height: 44px;
  box-sizing: border-box;
  font-size: 1.15rem;
  line-height: 1;
  display: flex;
  align-items: center;
}

.footer-brand .logo-text small {
  display: none;
}

.footer-brand .logo-wisdom {
  color: rgba(255, 255, 255, 0.55);
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 22em;
  line-height: 1.65;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.55rem;
  opacity: 0.78;
  transition: opacity 0.25s;
}

.footer-col a:hover {
  opacity: 1;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  opacity: 0.65;
}

/* —�?响应�?—�?*/
@media (max-width: 960px) {
  .category-grid,
  .category-grid.cats-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-band,
  .about-story,
  .detail-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-band-media {
    aspect-ratio: 16 / 10;
    max-height: 360px;
  }

  .detail-gallery {
    position: static;
    aspect-ratio: 16 / 10;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .culture-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--green-950);
    flex-direction: column;
    justify-content: center;
    gap: 1.75rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s, visibility 0.35s;
  }

  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    color: var(--white) !important;
    font-size: 1.4rem;
  }

  .nav-links .nav-zh {
    font-size: 1.4rem;
  }

  .nav-links .nav-en {
    font-size: 0.68rem;
    opacity: 0.75;
  }

  .nav-item {
    height: auto;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .nav-dropdown {
    position: static;
    transform: none !important;
    left: auto;
    min-width: 0;
    width: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none;
    text-align: center;
  }

  .nav-item:hover .nav-dropdown {
    display: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .nav-item.is-open .nav-dropdown {
    display: flex !important;
    flex-direction: column;
    gap: 0.65rem;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .nav-flyout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
  }

  .nav-flyout-link,
  .nav-dropdown > a,
  .nav-submenu a {
    color: rgba(255, 255, 255, 0.78) !important;
    font-size: 1.1rem;
    padding: 0.2rem 0;
    justify-content: center;
    background: transparent !important;
  }

  .nav-flyout-link:hover,
  .nav-flyout:hover > .nav-flyout-link,
  .nav-dropdown > a:hover,
  .nav-submenu a:hover {
    background: transparent !important;
    color: var(--white) !important;
  }

  .nav-flyout .caret-side {
    display: none;
  }

  .nav-submenu {
    position: static;
    transform: none !important;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    min-width: 0;
  }

  .nav-flyout.is-open > .nav-submenu,
  .nav-flyout:hover > .nav-submenu {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-submenu a {
    font-size: 0.98rem;
    color: rgba(255, 255, 255, 0.58) !important;
  }

  .nav-submenu-empty {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.95rem;
    padding: 0.15rem 0;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

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

  .matrix-media {
    height: 140px;
  }

  .category-grid,
  .category-grid.cats-3 {
    grid-template-columns: 1fr;
  }

  .hero-content {
    bottom: 3.5rem;
  }

  .hero-brand-block {
    margin-bottom: 1.35rem;
  }

  .hero-values {
    width: auto;
    max-width: 100%;
    margin-bottom: 1.25rem;
    margin-left: 0;
    gap: 0;
  }

  .hero-value {
    padding: 0;
  }

  .hero-value:first-child {
    padding-left: 0;
  }

  .hero-value:last-of-type {
    padding-right: 0;
  }

  .hero-value-sep {
    margin: 0.15rem 0.75rem;
  }

  .hero-value-en {
    letter-spacing: 0.06em;
    font-size: clamp(0.5rem, 2.4vw, 0.6rem);
    line-height: 1.35;
    padding-bottom: 0.12em;
  }

  .hero-desc-en {
    font-size: clamp(0.6rem, 2.8vw, 0.72rem);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.75rem 0;
  }
}