/* ==========================================================================
   LOTTO SPORT ITALIA — 主样式表
   设计来源: Figma（1920px 基准设计稿）
   适配策略: 移动优先 / Mobile First
   字体: Sora（Google Fonts: 400 / 600 / 700 / 800）
   尺寸单位: rem + vw + clamp() 流体尺寸
   断点: 480px / 768px / 1024px / 1280px
   ========================================================================== */


/* ==========================================================================
   1. CSS RESET & 基础重置
   ========================================================================== */

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

html {
  /* 基准字号：16px — 1rem = 16px */
  font-size: 16px;
  scroll-behavior: smooth;
  /* 禁止 iOS 自动调整字体大小 */
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-weight: 400;
  color: #000000;
  background-color: #ffffff;
  line-height: 1.5;
  overflow-x: hidden;
  /* 防止布局偏移 CLS */
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  /* 防止 img 底部空白间隙 */
  vertical-align: middle;
}

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: inherit;
}

input,
button {
  font-family: inherit;
}

/* 清除默认 input 外观 */
input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
}


/* ==========================================================================
   2. CSS 设计令牌（颜色、间距基准）
   ========================================================================== */

:root {
  /* 颜色 */
  --color-black:       #000000;
  --color-white:       #ffffff;
  --color-bg-light:    #f9f9f9;
  --color-bg-card:     #f3f3f4;
  --color-text-muted:  #4c4546;
  --color-gold:        #fab259;
  --color-nav-text:    #1a1c1c;
  --color-input-ph:    #6b7280;
  --color-border-nav:  rgba(0, 0, 0, 0.2);
  --color-text-secondary: #5e5e5e;
  --color-bg-stat:       #eeeeee;
  --color-timeline-line: #e2e2e2;
  --color-border-light:  rgba(0, 0, 0, 0.1);
  --color-lotto-red:     #e30613;

  /* 导航高度（用于 padding-top 补偿） */
  --header-topbar-h:   59px;
  --header-nav-h:      80px;
  --header-total-h:    139px; /* 59 + 80 */
}


/* ==========================================================================
   3. 布局工具类：容器 / 区块
   ========================================================================== */

/* 内容容器：最大宽度 1800px，居中，两侧内边距响应式 */
.container {
  width: 100%;
  max-width: 1800px;
  margin-left: auto;
  margin-right: auto;
  /* clamp(min, 推荐值, max)：小屏 24px → 大屏 128px（62.5+64=126.5px 取整） */
  padding-left: clamp(1.5rem, 6.63vw, 7.9rem);
  padding-right: clamp(1.5rem, 6.63vw, 7.9rem);
}

/* 通用区块（产品列表等浅色区块） */
.section {
  width: 100%;
  padding-top: clamp(3rem, 6.67vw, 8rem);     /* min 48px → max 128px */
  padding-bottom: clamp(3rem, 6.67vw, 8rem);
}

.section--bg-light {
  background-color: var(--color-bg-light);
}

/* 区块标题（仅标题，无右侧链接） */
.section-heading {
  margin-bottom: clamp(2.5rem, 4.17vw, 5rem); /* min 40px → max 80px */
}

/* 区块标题行（左标题 + 右链接） */
.section-header {
  display: -webkit-flex;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
  margin-bottom: clamp(2.5rem, 4.17vw, 5rem);
  gap: 1rem;
}

/* 区块大标题 H2 */
.section-title {
  font-size: clamp(1.375rem, 1.875vw, 2.25rem); /* min 22px → max 36px */
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: 0.72px;
  text-transform: uppercase;
  line-height: 1.1;
}


/* ==========================================================================
   4. 通用按钮样式
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Sora', sans-serif;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
  -webkit-transition: opacity 0.2s ease;
  transition: opacity 0.2s ease;
  border: none;
}

.btn:hover {
  opacity: 0.82;
}

/* 英雄横幅 CTA 按钮（白色，大尺寸） */
.btn--hero {
  background-color: var(--color-white);
  color: var(--color-black);
  font-size: 0.875rem;     /* 14px */
  font-weight: 700;
  letter-spacing: 1.4px;
  /* 固定高度与宽度（Figma: 325×62px） */
  height: clamp(48px, 3.23vw, 62px);
  padding: 0 clamp(1.25rem, 2.08vw, 2.5rem);
  min-width: clamp(200px, 16.93vw, 325px);
}

/* 全局供应区按钮（白色，中尺寸） */
.btn--supply {
  background-color: var(--color-white);
  color: var(--color-black);
  font-size: 1rem;        /* 16px */
  font-weight: 400;
  letter-spacing: 0;
  padding: 16px 40px;
  min-width: 180px;
}

/* 产品卡片 SHOP NOW 按钮（黑色） */
.btn--shop {
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 0.75rem;     /* 12px */
  font-weight: 400;
  letter-spacing: 1.2px;
  padding: 12px 24px;
  line-height: 1;
}


/* ==========================================================================
   5. HEADER — 顶部固定导航栏
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  /* 防止内容抖动 */
  will-change: transform;
}

/* ---- 5a. 顶部黑色联系信息条 ---- */

.header-topbar {
  background-color: var(--color-black);
  height: var(--header-topbar-h);
  display: -webkit-flex;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.header-topbar__inner {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 8px clamp(1rem, 3.33vw, 4rem);
  display: -webkit-flex;
  display: flex;
  justify-content: flex-end;
}

.header-topbar__contacts {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-topbar__link {
  font-size: clamp(0.625rem, 0.83vw, 1rem); /* min 10px → max 16px */
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.header-topbar__link:hover {
  opacity: 0.75;
}

.header-topbar__divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.625rem;
  line-height: 1;
}

/* ---- 5b. 主导航栏（白色背景） ---- */

.main-nav {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-black);
  height: var(--header-nav-h);
  position: relative; /* 用于移动端下拉菜单定位基准 */
}

.main-nav__inner {
  width: 100%;
  max-width: 1800px;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3.33vw, 4rem);
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo */
.main-nav__logo {
  flex-shrink: 0;
  display: -webkit-flex;
  display: flex;
  align-items: center;
}

.main-nav__logo-img {
  width: clamp(36px, 2.6vw, 50px);
  height: clamp(29px, 2.08vw, 40px);
  object-fit: contain;
}

/* 导航链接列表（桌面端） */
.main-nav__links {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.08vw, 2.5rem); /* min 16px → max 40px */
  flex-wrap: nowrap;
}

.main-nav__links li a {
  font-size: 0.875rem;   /* 14px */
  font-weight: 700;
  color: var(--color-nav-text);
  letter-spacing: 1.4px;
  text-transform: uppercase;
  line-height: 1.43;
  white-space: nowrap;
  -webkit-transition: color 0.2s;
  transition: color 0.2s;
}

.main-nav__links li a:hover {
  opacity: 0.65;
}

.main-nav__item--active > a {
  opacity: 0.65;
}

/* 搜索框 */
.main-nav__search {
  position: relative;
  flex-shrink: 0;
  width: clamp(150px, 10.52vw, 202px);
}

.main-nav__search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  width: 13px;
  height: 13px;
  pointer-events: none;
  object-fit: contain;
}

.main-nav__search-input {
  width: 100%;
  border: 1px solid var(--color-border-nav);
  padding: 5px 17px 6px 33px;
  font-size: 0.75rem;    /* 12px */
  font-weight: 400;
  color: var(--color-input-ph);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  background: var(--color-white);
  outline: none;
  -webkit-transition: border-color 0.2s;
  transition: border-color 0.2s;
  /* 移除默认搜索框样式 */
  -webkit-appearance: none;
  appearance: none;
}

.main-nav__search-input:focus {
  border-color: rgba(0, 0, 0, 0.5);
}

.main-nav__search-input::placeholder {
  color: var(--color-input-ph);
  opacity: 1;
}

/* 汉堡菜单按钮（默认隐藏，移动端显示） */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px 4px;
  flex-shrink: 0;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  border-radius: 1px;
}

/* 汉堡按钮激活状态（× 关闭样式） */
.hamburger.is-active .hamburger__line:nth-child(1) {
  -webkit-transform: translateY(7px) rotate(45deg);
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  -webkit-transform: translateY(-7px) rotate(-45deg);
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- 5c. FOOTWEAR Mega Menu 下拉导航 ---- */

.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  -webkit-transform: translateY(-4px);
  transform: translateY(-4px);
  -webkit-transition: opacity 0.2s ease, visibility 0.2s ease, -webkit-transform 0.2s ease;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  z-index: 999;
}

.mega-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.mega-menu__inner {
  width: 100%;
  max-width: 1800px;
  margin: 0 auto;
  padding: 40px clamp(1.5rem, 3.33vw, 4rem);
}

.mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 3.33vw, 4rem);
}

.mega-menu__column:first-child {
  padding-bottom: 32px;
}

.mega-menu__heading {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.4);
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 0.9375;
  margin-bottom: 24px;
}

.mega-menu__list {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mega-menu__list a {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-black);
  line-height: 1.43;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.mega-menu__list a:hover {
  opacity: 0.65;
}

.mega-menu__link--semibold {
  font-weight: 600;
}

/* 下拉触发项高亮（桌面端展开时） */
.main-nav.is-mega-open .main-nav__dropdown-trigger {
  opacity: 0.65;
}

/* 移动端内联子菜单（默认隐藏） */
.main-nav__submenu {
  display: none;
  width: 100%;
  padding: 0.75rem 0 0.25rem 1rem;
  gap: 1.25rem;
}

.main-nav__submenu-group > ul {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.main-nav__submenu-heading {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.4);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.main-nav__submenu a {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-nav-text);
  line-height: 1.4;
}

.main-nav__submenu-link--semibold {
  font-weight: 600;
}

/* 简洁下拉（COMPANY / BRAND 等双链接导航） */
.main-nav__item--simple {
  position: relative;
}

.main-nav__submenu--simple {
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav__submenu--simple > li {
  width: 100%;
}

@media (min-width: 768px) {
  .main-nav__item--simple .main-nav__submenu--simple {
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 1px);
    left: 50%;
    min-width: 11.5rem;
    padding: 0.5rem 0;
    background-color: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    -webkit-transform: translateX(-50%) translateY(-6px);
    transform: translateX(-50%) translateY(-6px);
    -webkit-transition: opacity 0.2s ease, visibility 0.2s ease, -webkit-transform 0.2s ease;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1000;
  }

  .main-nav__item--simple:hover .main-nav__submenu--simple,
  .main-nav__item--simple:focus-within .main-nav__submenu--simple {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    -webkit-transform: translateX(-50%) translateY(0);
    transform: translateX(-50%) translateY(0);
  }

  .main-nav__item--simple:hover .main-nav__dropdown-trigger,
  .main-nav__item--simple:focus-within .main-nav__dropdown-trigger {
    opacity: 0.65;
  }

  .main-nav__submenu--simple a {
    display: block;
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    white-space: nowrap;
  }

  .main-nav__submenu--simple a:hover {
    background-color: rgba(0, 0, 0, 0.04);
    opacity: 1;
  }
}


/* ==========================================================================
   6. MAIN — 内容区域顶部补偿（固定导航高度）
   ========================================================================== */

.site-main {
  padding-top: var(--header-total-h); /* 139px = 59 + 80 */
}


/* ==========================================================================
   7. HERO BANNER — 英雄横幅区块
   ========================================================================== */

.hero-banner {
  position: relative;
  width: 100%;
  height: clamp(320px, 41.67vw, 800px); /* min 320px → max 800px */
  overflow: hidden;
  background-color: var(--color-black);
}

.hero-banner__swiper,
.hero-banner__swiper .swiper-wrapper,
.hero-banner__slide {
  width: 100%;
  height: 100%;
}

.hero-banner__slide {
  position: relative;
  overflow: hidden;
}

/* 全幅背景图（使用 img 标签 + object-fit 代替背景图） */
.hero-banner__img-wrap {
  position: absolute;
  inset: 0;
}

.hero-banner__img,
.hero-banner__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  /* 图片略放大，模拟 Figma 中 h-[137.77%] 的视差效果 */
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-transform-origin: center top;
  transform-origin: center top;
}

.hero-banner__video {
  display: block;
  background-color: var(--color-black);
}

/* 文字叠加内容区 */
.hero-banner__content {
  position: absolute;
  /* Figma: left 168px / 1920px ≈ 8.75vw */
  left: clamp(1rem, 8.75vw, 168px);
  /* 垂直位置：稍低于中心（Figma: top 416px / 800px = 52%） */
  top: 52%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(16px, 2.08vw, 40px);
  z-index: 2;
}

/* 英雄主标题（Figma: Sora SemiBold 64px, tracking -4.8px, uppercase） */
.hero-banner__title {
  font-size: clamp(1.625rem, 3.33vw, 4rem); /* min 26px → max 64px */
  font-weight: 600;  /* Sora SemiBold */
  color: var(--color-white);
  text-transform: uppercase;
  /* 负值 clamp：大屏 -4.8px（Figma 原值），小屏缩减至 -0.5px */
  letter-spacing: clamp(-4.8px, -0.25vw, -0.5px);
  /* Figma: line-height 56px（小于字号，紧凑排版） */
  line-height: 0.875;
}

/* ==========================================================================
   8. CATEGORIES GRID — 核心品类三列网格
   ========================================================================== */

/* 品类三列网格（列表排版，禁止绝对/固定定位） */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 3rem); /* min 20px → max 48px */
  width: 100%;
}

/* 品类卡片：使用 flex 列排列 */
.category-card {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
}

/* 图片容器：保持 Figma 比例（688/523 ≈ 1.316:1 高宽比） */
.category-card__img-wrap {
  width: 100%;
  aspect-ratio: 523 / 688;
  overflow: hidden;
  background-color: var(--color-bg-card);
}

/* 图片：object-fit 代替背景图，确保覆盖且居中 */
.category-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: transform 0.4s ease;
}

.category-card:hover .category-card__img {
  -webkit-transform: scale(1.04);
  transform: scale(1.04);
}

/* 品类标签行：名称 + 箭头图标 */
.category-card__label {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
}

/* Figma: Sora Bold 24px, tracking 1.4px, uppercase */
.category-card__name {
  font-size: clamp(1rem, 1.25vw, 1.5rem); /* min 16px → max 24px */
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: 1.4px;
  text-transform: uppercase;
  line-height: 2rem;  /* 32px */
}

.category-card__arrow {
  width: 15px;
  height: 15px;
  object-fit: contain;
  flex-shrink: 0;
}


/* ==========================================================================
   9. GLOBAL SUPPLY — 全球供应能力区块（全宽叠层布局）
   ========================================================================== */

.global-supply {
  position: relative;
  width: 100%;
  height: clamp(300px, 31.25vw, 600px); /* min 300px → max 600px */
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 背景大图 */
.global-supply__img-wrap {
  position: absolute;
  inset: 0;
}

.global-supply__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* 模拟 Figma h-[183.6%] top-[-41.8%] 的裁切效果 */
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}

/* 半透明黑色遮罩（Figma: rgba(0,0,0,0.5)） */
.global-supply__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

/* 内容外层容器：居中，最大宽度 1800px */
.global-supply__content-wrap {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1800px;
  padding: 0 clamp(1rem, 3.33vw, 4rem);
  display: -webkit-flex;
  display: flex;
  justify-content: center;
}

/* 内容内层容器：最大宽度 768px，左对齐文字 */
.global-supply__content {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
  max-width: 768px;
  width: 100%;
}

/* 区块大标题（Figma: Sora ExtraBold 64px, tracking 1.28px） */
.global-supply__title {
  font-size: clamp(2rem, 3.33vw, 4rem); /* min 32px → max 64px */
  font-weight: 800;  /* Sora ExtraBold */
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1.28px;
  /* Figma: line-height 64px */
  line-height: 1;
}

/* 描述文字（Figma: Regular 16px, opacity 0.9） */
.global-supply__desc {
  font-size: clamp(0.875rem, 0.83vw, 1rem); /* min 14px → max 16px */
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.5;   /* 24px */
  opacity: 0.9;
}

/* 按钮组 */
.global-supply__btns {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1rem;
}


/* ==========================================================================
   10. EXPLORE ALL 链接（右侧跳转）
   ========================================================================== */

.explore-link {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;     /* 16px */
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  line-height: 1.5;
  white-space: nowrap;
  flex-shrink: 0;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.explore-link:hover {
  opacity: 0.65;
}

.explore-link__arrow {
  width: 8.75px;
  height: 8.75px;
  object-fit: contain;
  flex-shrink: 0;
}


/* ==========================================================================
   11. PRODUCTS GRID — 产品卡片网格（三列）
       列表排版：禁止绝对/固定定位，图片使用 <img> 标签
   ========================================================================== */

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 1.67vw, 2rem); /* min 16px → max 32px */
  width: 100%;
  /* 对齐到顶部，防止不同高度卡片撑开整行 */
  align-items: start;
}

/* 产品卡片 */
.product-card {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
}

/* 产品图片容器（Figma: 高688px，灰色底色 #f3f3f4） */
.product-card__img-wrap {
  width: 100%;
  /* Figma 比例：688 / 534 ≈ 1.29 (高:宽)，即 aspect-ratio = 534 / 688 */
  aspect-ratio: 534 / 688;
  overflow: hidden;
  background-color: var(--color-bg-card);
  margin-bottom: 2rem;  /* Figma: pb-[32px] */
  flex-shrink: 0;
}

/* 产品图片：<img> 标签 + object-fit，禁止背景图 */
.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__img {
  -webkit-transform: scale(1.04);
  transform: scale(1.04);
}

/* 产品信息区 */
.product-card__info {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* 产品名称（Figma: Sora Regular 20px, uppercase） */
.product-card__name {
  font-size: clamp(0.875rem, 1.04vw, 1.25rem); /* min 14px → max 20px */
  font-weight: 400;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.4;
  margin-bottom: 0.75rem;  /* Figma: pb-[12px] */
}

/* 产品描述（Figma: Regular 16px, color #4c4546） */
.product-card__desc {
  font-size: clamp(0.8125rem, 0.83vw, 1rem); /* min 13px → max 16px */
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 2rem;  /* Figma: pb-[32px] */
}


/* ==========================================================================
   12. COOPERATION — 合作与询盘分栏区块
       黑色背景：左侧文字 + 右侧图片
   ========================================================================== */

.cooperation {
  display: -webkit-flex;
  display: flex;
  width: 100%;
  background-color: var(--color-black);
  min-height: 550px;
}

/* 左侧文字面板 */
.cooperation__text-panel {
  flex: 1;
  min-width: 0;  /* flex 子元素溢出保护 */
  display: -webkit-flex;
  display: flex;
  align-items: center;
  /* Figma: padding-left 96px, 内容宽度约 576px */
  padding: clamp(2.5rem, 4.17vw, 5rem) clamp(1.5rem, 5vw, 6rem);
}

/* 文字内层：最大宽度 576px */
.cooperation__text-inner {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 2.5vw, 3rem);
  max-width: 576px;
  width: 100%;
}

/* 区块标题（Figma: Sora Bold 36px, tracking 0.72px, white） */
.cooperation__title {
  font-size: clamp(1.25rem, 1.875vw, 2.25rem); /* min 20px → max 36px */
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.72px;
  line-height: 1.1;
}

/* 联系方式组 */
.cooperation__contacts {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* "OFFICIAL CHANNELS" 标签（Figma: Regular 16px, color #fab259, tracking 1.6px） */
.cooperation__official-label {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gold);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  line-height: 1.5;
}

/* 联系链接列表 */
.cooperation__contact-list {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* 联系链接（Figma: Sora Bold 24px, white） */
.cooperation__contact-link {
  font-size: clamp(1rem, 1.25vw, 1.5rem); /* min 16px → max 24px */
  font-weight: 700;
  color: var(--color-white);
  line-height: 2rem;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.cooperation__contact-link:hover {
  opacity: 0.75;
}

/* 正文描述（带顶部分割线） */
.cooperation__body-wrap {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;  /* Figma: pt-[33px] */
}

/* 正文（Figma: Regular 16px, rgba(255,255,255,0.6)） */
.cooperation__body {
  font-size: clamp(0.8125rem, 0.83vw, 1rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

/* 右侧图片面板 */
.cooperation__img-panel {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  /* Figma: opacity: 0.8 */
  opacity: 0.8;
}

.cooperation__img {
  width: 100%;
  height: 100%;
  min-height: 550px;
  object-fit: cover;
  object-position: center;
}


/* ==========================================================================
   13. FOOTER — 页脚（黑色背景）
   ========================================================================== */

.site-footer {
  background-color: var(--color-black);
  /* Figma: py-[96px] px-[64px] */
  padding: clamp(2.5rem, 5vw, 6rem) clamp(1rem, 3.33vw, 4rem);
}

.footer-inner {
  max-width: 1800px;
  margin: 0 auto;
}

/* 四列网格 */
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3.33vw, 4rem);
  margin-bottom: clamp(2.5rem, 4.17vw, 5rem);
}

/* 列标题（Figma: Regular 12px, white, tracking 1.2px） */
.footer-col__heading {
  font-size: 0.75rem;  /* 12px */
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 1.5rem;
}

/* 链接列表 */
.footer-col__links {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;  /* Figma: gap-[12px] */
}

/* 列链接（Figma: Regular 16px, rgba(white, 0.6)） */
.footer-col__links a {
  font-size: clamp(0.875rem, 0.83vw, 1rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
  -webkit-transition: color 0.2s;
  transition: color 0.2s;
}

.footer-col__links a:hover {
  color: var(--color-white);
}

/* 社交媒体图标 */
.footer-social {
  display: -webkit-flex;
  display: flex;
  gap: 1.5rem;
}

.footer-social__link {
  opacity: 0.6;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
  display: -webkit-flex;
  display: flex;
}

.footer-social__link:hover {
  opacity: 1;
}

.footer-social__link img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* 底部版权条（带顶部分割线） */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: clamp(1.5rem, 2.14vw, 2.5625rem); /* Figma: pt-[41px] */
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* 版权文字（Figma: Regular 10px, rgba(white, 0.4), tracking 1px） */
.footer-bottom__copy {
  font-size: 0.625rem;  /* 10px */
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.5;
}

/* 法律链接组 */
.footer-bottom__nav {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-bottom__nav a {
  font-size: 0.625rem;  /* 10px */
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.5;
  -webkit-transition: color 0.2s;
  transition: color 0.2s;
}

.footer-bottom__nav a:hover {
  color: rgba(255, 255, 255, 0.8);
}


/* ==========================================================================
   14. 媒体查询 — 平板端（≤1024px）
   ========================================================================== */

@media screen and (max-width: 1024px) {

  /* 顶部条适当缩小 */
  .header-topbar {
    height: 48px;
  }

  :root {
    --header-topbar-h: 48px;
    --header-total-h: 128px; /* 48 + 80 */
  }

  .site-main {
    padding-top: 128px;
  }

  /* 品类网格：2 列 */
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 品类卡片图片比例稍宽 */
  .category-card__img-wrap {
    aspect-ratio: 4 / 3;
  }

  /* 产品网格：2 列 */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 合作区块：垂直堆叠 */
  .cooperation {
    flex-direction: column;
  }

  .cooperation__img-panel {
    min-height: 320px;
  }

  .cooperation__img {
    min-height: 320px;
  }

  /* 页脚：2 列 */
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 全球供应区高度自适应 */
  .global-supply {
    height: auto;
    min-height: 300px;
    padding: 3rem 0;
  }
}


/* ==========================================================================
   15. 媒体查询 — 移动端（≤767px）
   ========================================================================== */

@media screen and (max-width: 767px) {

  /* 顶部条高度压缩 */
  :root {
    --header-topbar-h: 44px;
    --header-nav-h: 60px;
    --header-total-h: 104px;
  }

  .site-main {
    padding-top: 104px;
  }

  .header-topbar {
    height: 44px;
  }

  .main-nav {
    height: 60px;
  }

  /* 联系信息条：间距压缩 */
  .header-topbar__contacts {
    gap: 12px;
  }

  .header-topbar__link {
    font-size: 0.5625rem; /* 9px */
    letter-spacing: 0.5px;
  }

  /* 隐藏桌面导航链接 */
  .main-nav__links {
    display: none;
    /* 移动端下拉菜单：绝对定位于 main-nav 底部 */
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 999;
  }

  /* 移动端菜单展开 */
  .main-nav__links.is-open {
    display: -webkit-flex;
    display: flex;
  }

  /* 移动端：FOOTWEAR 子菜单展开 */
  .main-nav__item--dropdown {
    width: 100%;
  }

  .main-nav__item--dropdown.is-submenu-open .main-nav__submenu {
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
  }

  .main-nav__item--simple .main-nav__submenu--simple {
    gap: 0.25rem;
    padding-left: 1rem;
  }

  .main-nav__item--simple .main-nav__submenu--simple a {
    font-size: 0.8125rem;
    font-weight: 600;
  }

  /* 隐藏桌面端 Mega Menu 面板 */
  .mega-menu {
    display: none;
  }

  /* 隐藏搜索框（移动端简化） */
  .main-nav__search {
    display: none;
  }

  /* 显示汉堡按钮 */
  .hamburger {
    display: -webkit-flex;
    display: flex;
  }

  /* 英雄横幅 */
  .hero-banner {
    height: clamp(240px, 80vw, 380px);
  }

  .hero-banner__content {
    left: 1rem;
    right: 1rem;
    top: auto;
    bottom: 1.5rem;
    -webkit-transform: none;
    transform: none;
    gap: 1rem;
  }

  .hero-banner__title {
    font-size: clamp(1.375rem, 6.5vw, 2.25rem);
    letter-spacing: -0.5px;
    line-height: 1.05;
  }

  .btn--hero {
    min-width: 0;
    width: 100%;
    max-width: 280px;
    height: 48px;
    font-size: 0.75rem;
  }

  /* 品类网格：单列 */
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .category-card__img-wrap {
    aspect-ratio: 4 / 3;
  }

  /* 产品网格：单列 */
  .products-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .product-card__img-wrap {
    aspect-ratio: 4 / 3;
    margin-bottom: 1rem;
  }

  /* 全球供应区 */
  .global-supply {
    height: auto;
    min-height: 0;
    padding: 3rem 0;
  }

  .global-supply__btns {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn--supply {
    min-width: 0;
    width: 100%;
    padding: 14px 24px;
  }

  /* 合作区块 */
  .cooperation {
    flex-direction: column;
  }

  .cooperation__text-panel {
    padding: 3rem 1.5rem;
  }

  .cooperation__img-panel {
    min-height: 240px;
    opacity: 1; /* 移动端提高图片可见度 */
  }

  .cooperation__img {
    min-height: 240px;
  }

  /* 页脚：单列 */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer-bottom__nav {
    gap: 1rem;
  }

  /* 区块标题行：竖向排列 */
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}


/* ==========================================================================
   16. ABOUT PAGE — About Us 页面
   ========================================================================== */

.site-main--about {
  padding-top: var(--header-total-h);
}

/* ---- 16a. Hero ---- */

.about-hero {
  position: relative;
  width: 100%;
  height: clamp(320px, 41.67vw, 800px);
  overflow: hidden;
  background-color: var(--color-black);
}

.about-hero__bg {
  position: absolute;
  inset: 0;
}

.about-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-transform-origin: center top;
  transform-origin: center top;
}

.about-hero__gradient {
  position: absolute;
  inset: 0;
  background: -webkit-linear-gradient(bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
  pointer-events: none;
}

.about-hero__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(2.5rem, 4.17vw, 5rem);
}

.about-hero__breadcrumb {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1;
}

.about-hero__breadcrumb a {
  opacity: 0.7;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.about-hero__breadcrumb a:hover {
  opacity: 1;
}

.about-hero__breadcrumb-sep {
  padding: 0 4px;
}

.about-hero__title {
  font-size: clamp(2rem, 3.75vw, 4.5rem);
  font-weight: 800;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: clamp(-1px, -0.15vw, -2.88px);
  line-height: 1;
}

/* ---- 16b. Our Company ---- */

.about-company {
  padding: clamp(3rem, 4.17vw, 5rem) 0;
}

.about-company__title {
  font-size: clamp(1.75rem, 2.08vw, 2.5rem);
  font-weight: 700;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.about-company__lead {
  font-size: clamp(1rem, 0.94vw, 1.125rem);
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.625;
  max-width: 100%;
}

.about-company__divider {
  width: 96px;
  height: 1px;
  background-color: var(--color-black);
  margin: clamp(1.25rem, 1.45vw, 1.4375rem) 0 clamp(1.25rem, 1.5vw, 1.5rem);
}

.about-company__body {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.625;
}

/* ---- 16c. Authorization Certificate ---- */

.about-certificate {
  border-top: 1px solid var(--color-border-light);
  padding: clamp(3rem, 4.22vw, 5.0625rem) 0 clamp(3rem, 4.17vw, 5rem);
}

.about-certificate__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 4.17vw, 5rem);
  align-items: center;
}

.about-certificate__img-wrap {
  background-color: var(--color-bg-stat);
  padding: 4px;
  position: relative;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.about-certificate__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.about-certificate__text {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 2.5vw, 3rem);
}

.about-certificate__title {
  font-size: clamp(1.75rem, 2.08vw, 2.5rem);
  font-weight: 700;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: -0.8px;
  line-height: 1.2;
}

.about-certificate__content {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-certificate__subtitle {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: -0.45px;
  line-height: 1.2;
}

.about-certificate__desc {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.625;
}

/* ---- 16d. Why Partner With Us ---- */

.about-partner {
  background-color: var(--color-bg-card);
  padding: clamp(3rem, 4.11vw, 4.9375rem) 0 clamp(3rem, 4.17vw, 5rem);
}

.about-partner__title {
  font-size: clamp(1.375rem, 1.67vw, 2rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.3;
  margin-bottom: clamp(2.5rem, 4.17vw, 5rem);
}

.about-partner__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 1.25vw, 1.5rem);
}

.about-partner__card-title {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 800;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.about-partner__card-text {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.625;
}

/* ---- 16e. Brand Story ---- */

.about-brand {
  border-top: 1px solid var(--color-black);
  padding: clamp(3rem, 4.17vw, 5rem) 0;
}

.about-brand__title {
  font-size: clamp(1.375rem, 1.67vw, 2rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: -1.6px;
  line-height: 1.3;
}

.about-brand__subtitle {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.4;
  padding: 1.25rem 0;
}

.about-brand__intro {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.828;
  padding-bottom: 0.625rem;
}

.about-brand__body {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.625;
}

/* ---- 16f. Development History Timeline ---- */

.about-history {
  border-top: 1px solid var(--color-border-light);
  padding-top: clamp(4rem, 8.33vw, 10rem);
  margin-top: 0;
}

.about-history__title {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.4;
  margin-bottom: clamp(2.5rem, 4.17vw, 5rem);
}

.about-timeline {
  position: relative;
  max-width: 896px;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 2.5vw, 3rem);
  padding-left: 0;
}

.about-timeline__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: clamp(2rem, 4.17vw, 5rem);
  position: relative;
  opacity: 0.3;
}

.about-timeline__item--active {
  opacity: 1;
}

.about-timeline__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 24px;
  bottom: calc(-1 * clamp(2rem, 2.5vw, 3rem));
  width: 2px;
  background-color: var(--color-timeline-line);
}

.about-timeline__marker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-timeline-line);
  background-color: var(--color-white);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.about-timeline__item--active .about-timeline__marker {
  background-color: var(--color-black);
  border-color: var(--color-black);
}

.about-timeline__year {
  display: block;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.5;
}

.about-timeline__heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.5;
}

.about-timeline__text {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-top: 4px;
}

/* ---- 16g. International Influence ---- */

.about-influence {
  border-top: 1px solid var(--color-border-light);
  padding: clamp(3rem, 4.17vw, 5rem) 0;
}

.about-influence__title {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.4;
  margin-bottom: clamp(2.5rem, 4.17vw, 5rem);
}

.about-influence__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(1rem, 1.25vw, 1.5rem);
  align-items: start;
}

.about-influence__main {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 1.25vw, 1.5rem);
}

.about-influence__presence {
  height: clamp(200px, 20.83vw, 400px);
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.about-influence__presence-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
}

.about-influence__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 1.25vw, 1.5rem);
}

.about-influence__stat {
  background-color: var(--color-bg-stat);
  padding: 1.5rem;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-influence__stat-num {
  font-size: clamp(1.75rem, 2.08vw, 2.5rem);
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.8px;
  line-height: 1.2;
}

.about-influence__stat-label {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  line-height: 1.5;
}

.about-influence__side {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 1.25vw, 1.5rem);
}

.about-influence__awards {
  height: clamp(160px, 13.02vw, 250px);
  border: 1px solid var(--color-black);
  overflow: hidden;
}

.about-influence__awards-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-influence__blocks {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 1.25vw, 1.5rem);
}

.about-influence__block {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-influence__block:first-child {
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 1.5625rem;
}

.about-influence__block-title {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-black);
  text-transform: uppercase;
  line-height: 1.5;
}

.about-influence__block-text {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   18. CONTACT PAGE — Contact Us 页面
   ========================================================================== */

.site-main--contact {
  padding-top: var(--header-total-h);
}

/* ---- 18a. Reach Out ---- */

.contact-reach {
  background-color: var(--color-white);
  padding: clamp(3rem, 4.17vw, 5rem) 0;
}

.contact-reach__header {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.contact-reach__title {
  font-size: clamp(2rem, 2.08vw, 2.5rem);
  font-weight: 700;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: clamp(-1px, -0.17vw, -3.2px);
  line-height: 1.2;
}

.contact-reach__subtitle {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 1.6px;
  line-height: 1;
}

.contact-reach__intro {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.5;
  max-width: 768px;
}

.contact-reach__voice-title {
  font-size: clamp(1.75rem, 2.08vw, 2.5rem);
  font-weight: 800;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: clamp(-1px, -0.125vw, -2.4px);
  line-height: 1.2;
  margin-bottom: clamp(1.5rem, 2.19vw, 2.1875rem);
}

.contact-reach__address {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  font-style: normal;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.contact-reach__links {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-black);
}

.contact-reach__link {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.contact-reach__link:hover {
  opacity: 0.65;
}

/* ---- 18b. Partnership & Inquiries ---- */

.contact-partner {
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-black);
  padding: clamp(3rem, 4.17vw, 5rem) 0 clamp(3rem, 5.06vw, 5.0625rem);
}

.contact-partner__title {
  font-size: clamp(1.75rem, 2.08vw, 2.5rem);
  font-weight: 700;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: clamp(1.5rem, 2.5vw, 3rem);
}

.contact-partner__intro {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 672px;
  margin-bottom: clamp(1.5rem, 2.5vw, 3rem);
}

.contact-partner__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 4.17vw, 5rem);
  border-top: 1px solid var(--color-border-light);
  padding-top: clamp(2rem, 3.06vw, 3.0625rem);
}

.contact-partner__col-title {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 1.6px;
  line-height: 1;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 9px;
  margin-bottom: 1.5rem;
}

.contact-partner__col-body {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.5;
}

.contact-partner__office-name {
  font-weight: 700;
}

.contact-partner__email {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-nav-text);
  text-transform: uppercase;
  line-height: 1.25;
  margin-top: 0.5rem;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.contact-partner__email:hover {
  opacity: 0.65;
}

.contact-partner__cities {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-nav-text);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  line-height: 1.5;
}

.contact-partner__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-black);
  flex-shrink: 0;
}

/* ---- 18c. Latest Drops ---- */

.contact-drops {
  padding: clamp(3rem, 4.17vw, 5rem) 0;
}

.contact-drops__header {
  display: -webkit-flex;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 2.5vw, 3rem);
}

.contact-drops__title {
  font-size: clamp(1.375rem, 1.875vw, 2.25rem);
  font-weight: 800;
  color: var(--color-nav-text);
  text-transform: uppercase;
  line-height: 1.1;
}

.contact-drops__view-all {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-nav-text);
  text-transform: uppercase;
  line-height: 1.5;
  border-bottom: 2px solid var(--color-black);
  padding-bottom: 6px;
  margin-bottom: 8px;
  white-space: nowrap;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.contact-drops__view-all:hover {
  opacity: 0.65;
}

.contact-drops__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 1.25vw, 1.5rem);
  list-style: none;
}

.contact-drop-card {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 1.25vw, 1.5rem);
}

.contact-drop-card__img-wrap {
  background-color: var(--color-bg-stat);
  overflow: hidden;
  aspect-ratio: 534 / 677;
}

.contact-drop-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: transform 0.4s ease;
}

.contact-drop-card:hover .contact-drop-card__img {
  -webkit-transform: scale(1.03);
  transform: scale(1.03);
}

.contact-drop-card__info {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-drop-card__name {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-nav-text);
  text-transform: uppercase;
  line-height: 1.5;
}

.contact-drop-card__desc {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  line-height: 1.5;
}

/* 描边按钮（Contact 页 SHOP NOW） */
.btn--outline {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 1.5rem;
  padding: 25px 1px;
  border: 1px solid var(--color-black);
  background-color: transparent;
  color: var(--color-nav-text);
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.5;
  text-align: center;
  -webkit-transition: background-color 0.2s, color 0.2s;
  transition: background-color 0.2s, color 0.2s;
}

.btn--outline:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  opacity: 1;
}

/* Contact 页 — 平板（≤1024px） */
@media screen and (max-width: 1024px) {
  .contact-partner__grid {
    grid-template-columns: 1fr;
  }

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

/* Contact 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .contact-drops__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-drops__grid {
    grid-template-columns: 1fr;
  }

  .contact-partner__cities {
    gap: 1rem;
  }
}


/* ==========================================================================
   19. FOOTWEAR CATALOG PAGE — 鞋类分类列表页
   ========================================================================== */

.site-main--catalog {
  padding-top: var(--header-total-h);
  padding-bottom: clamp(4rem, 10.42vw, 12.5rem);
}

.catalog-page {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 4.17vw, 5rem);
  padding-top: 1.5rem;
}

/* ---- 19a. 广告横幅 ---- */

.catalog-banner {
  width: 100%;
  height: clamp(240px, 31.25vw, 600px);
  background-color: var(--color-bg-card);
  overflow: hidden;
}

.catalog-banner__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
}

/* ---- 19b. 面包屑 ---- */

.catalog-breadcrumb {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1;
}

.catalog-breadcrumb__link {
  color: var(--color-text-muted);
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.catalog-breadcrumb__link:hover {
  opacity: 0.65;
}

.catalog-breadcrumb__sep {
  display: inline-block;
  width: 7px;
  height: 6px;
  margin: 0 4px;
  border-right: 1.5px solid var(--color-text-muted);
  border-bottom: 1.5px solid var(--color-text-muted);
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.catalog-breadcrumb__current {
  color: var(--color-black);
  padding-left: 4px;
}

/* ---- 19c. 主布局（侧栏 + 产品区） ---- */

.catalog-layout {
  display: grid;
  grid-template-columns: minmax(180px, 2fr) minmax(0, 10fr);
  gap: clamp(1rem, 1.25vw, 1.5rem);
  align-items: start;
}

/* ---- 19d. 侧栏筛选 ---- */

.catalog-sidebar {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.catalog-filter {
  border-top: 1px solid #e5e5e5;
  padding-top: 25px;
}

.catalog-filter__head {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.catalog-filter__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-nav-text);
  text-transform: uppercase;
  line-height: 1.56;
}

.catalog-filter__toggle {
  display: block;
  width: 13px;
  height: 1.5px;
  background-color: var(--color-nav-text);
  flex-shrink: 0;
}

.catalog-filter__list {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.catalog-filter__link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.catalog-filter__link:hover {
  opacity: 0.65;
}

.catalog-filter__link--active {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.catalog-filter__sizes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.catalog-size {
  border: 1px solid #eeeeee;
  background: var(--color-white);
  padding: 9px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-nav-text);
  letter-spacing: 1.2px;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  -webkit-transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.catalog-size:hover {
  border-color: var(--color-black);
}

.catalog-size--active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.catalog-filter__colors {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 32px;
}

.catalog-color {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #eeeeee;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.catalog-color--black { background-color: var(--color-black); }
.catalog-color--white { background-color: var(--color-white); }
.catalog-color--red { background-color: #dc2626; }
.catalog-color--blue { background-color: #1d4ed8; }
.catalog-color--green { background-color: #047857; }
.catalog-color--navy { background-color: #1e3a5f; }
.catalog-color--grey { background-color: #9ca3af; }
.catalog-color--pink { background-color: #ec4899; }
.catalog-color--yellow { background-color: #eab308; }

.category-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.catalog-color--active {
  box-shadow: 0 0 0 2px var(--color-white), 0 0 0 3px var(--color-black);
}

.catalog-color--active.catalog-color--white {
  box-shadow: 0 0 0 2px var(--color-white), 0 0 0 3px var(--color-black);
}

/* ---- 19e. 排序栏 ---- */

.catalog-main {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.catalog-sort {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-bottom: 1px solid #eeeeee;
  padding-bottom: 25px;
}

.catalog-sort__label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-nav-text);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1;
}

.catalog-sort__select {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 1.5rem;
  padding: 8px 40px 8px 12px;
  position: relative;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

.catalog-sort__menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background-color: var(--color-white);
  border: 1px solid #eeeeee;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  z-index: 20;
}

.catalog-sort__select.is-open .catalog-sort__menu {
  display: block;
}

.catalog-sort__option {
  display: block;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-nav-text);
  letter-spacing: 1.2px;
  line-height: 1.4;
  white-space: nowrap;
  -webkit-transition: background-color 0.2s;
  transition: background-color 0.2s;
}

.catalog-sort__option:hover {
  background-color: #f7f7f7;
}

.catalog-sort__option--active {
  font-weight: 700;
  background-color: #f7f7f7;
}

.catalog-sort__value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-nav-text);
  letter-spacing: 1.2px;
  line-height: 1.5;
}

.catalog-sort__icon {
  position: absolute;
  right: 8px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  width: 16px;
  pointer-events: none;
}

/* ---- 19f. 产品网格 ---- */

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.5vw, 3rem) clamp(1rem, 1.25vw, 1.5rem);
  list-style: none;
}

.catalog-card__link {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.catalog-card__img-wrap {
  position: relative;
  background-color: var(--color-bg-card);
  border: 1px solid transparent;
  overflow: hidden;
  aspect-ratio: 440 / 557;
}

.catalog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  -webkit-transition: -webkit-transform 0.4s ease;
  transition: transform 0.4s ease;
}

.catalog-card:hover .catalog-card__img {
  -webkit-transform: scale(1.03);
  transform: scale(1.03);
}

.catalog-card__badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1.5;
  padding: 4px 8px;
}

.catalog-card__info {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.catalog-card__category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1;
  opacity: 0.6;
}

.catalog-card__name {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 600;
  color: var(--color-nav-text);
  text-transform: uppercase;
  letter-spacing: -0.6px;
  line-height: 1.4;
}

.catalog-card__price {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  letter-spacing: 1.4px;
  line-height: 1;
  margin-top: 2px;
}

.catalog-card__price-current {
  font-weight: 700;
  color: var(--color-nav-text);
}

.catalog-card__price-original {
  font-weight: 400;
  color: var(--color-text-muted);
  opacity: 0.4;
  text-decoration: line-through;
  line-height: 1.5;
}

/* ---- 19g. 分页 ---- */

.catalog-pagination {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding-top: 2rem;
}

.catalog-pagination__arrow {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  opacity: 1;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.catalog-pagination__arrow:hover {
  opacity: 0.5;
}

.catalog-pagination__num {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-nav-text);
  letter-spacing: 1.4px;
  line-height: 1;
  opacity: 0.4;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.catalog-pagination__num:hover {
  opacity: 0.7;
}

.catalog-pagination__num--active {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Footwear 分类页 — 平板（≤1024px） */
@media screen and (max-width: 1024px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

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

/* Footwear 分类页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .catalog-sidebar {
    grid-template-columns: 1fr;
  }

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

  .catalog-sort {
    justify-content: flex-start;
  }

  .catalog-filter__sizes {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* ==========================================================================
   20. PRODUCT DETAIL PAGE — 产品详情页
   ========================================================================== */

.site-main--product {
  padding-top: var(--header-total-h);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.product-page {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 5vw, 5rem);
  padding-top: clamp(1.5rem, 2.5vw, 5rem);
  padding-bottom: clamp(2rem, 4vw, 5rem);
}

/* ---- 20a. 面包屑 ---- */

.product-breadcrumb {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.5;
}

.product-breadcrumb a {
  color: var(--color-text-muted);
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.product-breadcrumb a:hover {
  opacity: 0.65;
}

.product-breadcrumb__sep {
  color: var(--color-text-muted);
}

.product-breadcrumb__current {
  color: var(--color-black);
}

/* ---- 20b. 产品主区域（画廊 + 信息） ---- */

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 40%);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.product-gallery {
  display: -webkit-flex;
  display: flex;
  gap: clamp(1rem, 2.5vw, 3rem);
  min-width: 0;
}

.product-gallery__thumbs {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-shrink: 0;
  width: clamp(56px, 4.17vw, 80px);
}

.product-gallery__thumb {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 0;
  border: none;
  background-color: #f3f3f4;
  cursor: pointer;
  overflow: hidden;
  opacity: 0.6;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.product-gallery__thumb--active {
  opacity: 1;
  outline: 1px solid var(--color-black);
  outline-offset: -1px;
}

.product-gallery__thumb img {
  width: 80%;
  height: 80%;
  margin: 10%;
  object-fit: contain;
}

.product-gallery__main {
  position: relative;
  -webkit-flex: 1;
  flex: 1;
  min-width: 0;
  aspect-ratio: 1 / 1;
  max-height: clamp(320px, 53.33vw, 1024px);
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 1.25vw, 1.5rem);
  background-color: #f3f3f4;
}

.product-gallery__main-img {
  width: min(100%, 512px);
  height: min(100%, 512px);
  object-fit: contain;
}

.product-gallery__nav {
  position: absolute;
  right: clamp(1rem, 1.25vw, 1.5rem);
  bottom: clamp(1rem, 1.25vw, 1.5rem);
  display: -webkit-flex;
  display: flex;
  gap: 1rem;
}

.product-gallery__arrow {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: var(--color-white);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  -webkit-transition: box-shadow 0.2s;
  transition: box-shadow 0.2s;
}

.product-gallery__arrow:hover {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* ---- 20c. 产品信息 ---- */

.product-info {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.product-info__category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.product-info__title {
  font-size: clamp(1.75rem, 2.5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: clamp(1.5rem, 2vw, 3rem);
}

.product-info__subtitle {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: clamp(2rem, 3vw, 3rem);
}

.product-info__price {
  display: -webkit-flex;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: clamp(1.5rem, 1.67vw, 2rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-black);
  margin-bottom: clamp(3rem, 4.17vw, 5rem);
}

.product-info__price-original {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.product-info__badge {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-black);
}

.product-info__label {
  display: block;
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--color-black);
}

.product-info__colors {
  margin-bottom: clamp(3rem, 4.17vw, 5rem);
}

.product-info__colors .product-info__label {
  margin-bottom: 1rem;
}

.product-info__swatches {
  display: -webkit-flex;
  display: flex;
  gap: 1rem;
}

.product-swatch {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid #eeeeee;
  background-color: transparent;
  cursor: pointer;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  -webkit-transition: box-shadow 0.2s, border-color 0.2s;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.product-swatch--black { background-color: var(--color-black); }
.product-swatch--white { background-color: var(--color-white); }
.product-swatch--red { background-color: #dc2626; }
.product-swatch--blue { background-color: #1d4ed8; }
.product-swatch--green { background-color: #047857; }
.product-swatch--navy { background-color: #1e3a5f; }
.product-swatch--grey { background-color: #9ca3af; }
.product-swatch--pink { background-color: #ec4899; }
.product-swatch--yellow { background-color: #eab308; }

.product-swatch--active {
  border-color: transparent;
  box-shadow: 0 0 0 2px var(--color-white), 0 0 0 3px var(--color-black);
}

.product-swatch--active.product-swatch--white {
  border-color: #eeeeee;
  box-shadow: 0 0 0 2px var(--color-white), 0 0 0 3px var(--color-black);
}

.product-info__sizes {
  margin-bottom: clamp(3rem, 4.17vw, 5rem);
}

.product-info__size-head {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.product-info__size-label-wrap {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.product-info__size-chart {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  text-decoration: underline;
  color: var(--color-black);
  white-space: nowrap;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}

.product-size-units {
  display: -webkit-flex;
  display: flex;
  border: 1px solid #7e7576;
}

.product-size-unit {
  padding: 4px 12px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-black);
  cursor: pointer;
}

.product-size-unit--active {
  background-color: var(--color-black);
  color: var(--color-white);
}

.product-size-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.product-size-btn {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  padding: 0.5rem;
  border: 1px solid #7e7576;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-black);
  cursor: pointer;
  -webkit-transition: border-color 0.2s, background-color 0.2s;
  transition: border-color 0.2s, background-color 0.2s;
}

.product-size-btn:hover:not(.product-size-btn--active) {
  border-color: var(--color-black);
}

.product-size-btn--active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.product-size-btn--active:hover {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

/* ---- 20d. 手风琴 & 信任标识 ---- */

.product-accordions {
  border-top: 1px solid #cfc4c5;
}

.product-accordion-item {
  border-bottom: 1px solid #cfc4c5;
}

.product-accordion {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.5rem 0 1.5625rem;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--color-black);
  cursor: pointer;
  text-align: left;
}

.product-accordion__icon {
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  -webkit-transition: -webkit-transform 0.2s;
  transition: transform 0.2s;
}

.product-accordion[aria-expanded="true"] .product-accordion__icon {
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}

.product-accordion__panel[hidden] {
  display: none;
}

.product-accordion__content {
  padding-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  text-transform: none;
}

.product-trust {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 3rem;
}

.product-trust__item {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* ---- 20e. 编辑区特性大图 ---- */

.product-editorial {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 4.17vw, 5rem);
  padding-top: clamp(3rem, 5.9vw, 7rem);
  border-top: 1px solid var(--color-black);
}

.product-feature {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  padding-bottom: clamp(3rem, 4.17vw, 5rem);
}

.product-feature:not(:last-child) {
  border-bottom: 1px solid #e2e2e2;
  padding-top: clamp(3rem, 4.17vw, 5rem);
}

.product-feature:last-child {
  padding-top: clamp(3rem, 4.17vw, 5rem);
  padding-bottom: clamp(3rem, 4.17vw, 5rem);
}

.product-feature__img-wrap {
  width: 100%;
  background-color: #eee;
  overflow: hidden;
}

.product-feature__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1672 / 941;
  object-fit: cover;
  object-position: center 30%;
}

.product-feature__text {
  max-width: 672px;
  padding: 0 1rem;
  text-align: center;
}

.product-feature__title {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.8px;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--color-black);
  margin-bottom: 1.5rem;
}

.product-feature__desc {
  font-size: 1rem;
  line-height: 1.625;
  color: var(--color-text-muted);
}

/* ---- 20f. 技术参数条 ---- */

.product-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: clamp(3rem, 4.22vw, 5rem) 0;
  border-top: 1px solid var(--color-black);
  border-bottom: 1px solid var(--color-black);
}

.product-specs__item {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  text-align: center;
}

.product-specs__label {
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.product-specs__value {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-black);
}

/* Product 页 — 平板（≤1024px） */
@media screen and (max-width: 1024px) {
  .product-hero {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    flex-direction: column-reverse;
  }

  .product-gallery__thumbs {
    flex-direction: row;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .product-gallery__thumb {
    width: 64px;
    flex-shrink: 0;
  }

  .product-specs {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

/* Product 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .product-info__size-head {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .product-size-btn {
    min-height: 56px;
  }

  .product-specs {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}


/* ==========================================================================
   21. FOOTWEAR GUIDE PAGE — 鞋类引导页
   ========================================================================== */

.site-main--footwear-guide,
.site-main--apparel-guide,
.site-main--accessories-guide,
.site-main--kid-guide {
  padding-top: var(--header-total-h);
}

/* ---- 21a. Hero（复用 hero-banner，无额外覆盖） ---- */

/* ---- 21b. 品类引导区块 ---- */

.guide-section {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 2.5vw, 3rem);
  padding: clamp(3rem, 4.17vw, 5rem) 0;
}

.guide-section__content {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(0.75rem, 0.96vw, 0.95625rem);
  max-width: var(--container-max, 1800px);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3.33vw, 4rem);
  width: 100%;
}

.guide-section__title {
  width: 100%;
  font-size: clamp(1.75rem, 2.08vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1.25;
  color: var(--color-black);
  text-transform: uppercase;
}

.guide-section__desc {
  max-width: 672px;
  margin-bottom: clamp(1rem, 1.7vw, 2rem);
  font-size: 1rem;
  line-height: 1.6;
  color: #5e5e5e;
}

.btn--guide-shop {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 1.25vw, 1.5rem) clamp(2.5rem, 4.17vw, 5rem);
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1.4px;
  line-height: 1;
  text-transform: uppercase;
  border: 1px solid var(--color-black);
  -webkit-transition: background-color 0.2s, color 0.2s;
  transition: background-color 0.2s, color 0.2s;
}

.btn--guide-shop:hover {
  background-color: var(--color-white);
  color: var(--color-black);
  opacity: 1;
}

.guide-section__img-wrap {
  width: 100%;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background-color: var(--color-black);
}

.guide-section__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-transform-origin: center center;
  transform-origin: center center;
}

/* Footwear Guide 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .guide-section__content {
    align-items: stretch;
  }

  .btn--guide-shop {
    width: 100%;
    text-align: center;
  }
}


/* ==========================================================================
   22. HERITAGE PAGE — 品牌传承页
   ========================================================================== */

.site-main--heritage {
  padding-top: var(--header-total-h);
}

/* ---- 22a. 起源区块 ---- */

.heritage-origin {
  background-color: #fdfdfd;
  padding: clamp(4rem, 6.67vw, 8rem) 0;
}

.heritage-origin__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1.25vw, 1.5rem);
  align-items: center;
}

.heritage-origin__title {
  font-size: clamp(2rem, 3.125vw, 3.75rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3px;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: clamp(2rem, 2.5vw, 3rem);
}

.heritage-origin__desc {
  max-width: 448px;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--color-text-muted);
}

.heritage-origin__visual {
  display: -webkit-flex;
  display: flex;
  justify-content: flex-end;
}

.heritage-origin__frame {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4 / 5;
  background-color: #eee;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.heritage-origin__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.heritage-origin__corner {
  position: absolute;
  width: clamp(48px, 5vw, 96px);
  height: clamp(48px, 5vw, 96px);
  pointer-events: none;
}

.heritage-origin__corner--red {
  left: -24px;
  bottom: -24px;
  border-left: 1px solid var(--color-lotto-red);
  border-bottom: 1px solid var(--color-lotto-red);
}

.heritage-origin__corner--gray {
  right: -24px;
  top: -24px;
  border-right: 1px solid rgba(26, 26, 26, 0.2);
  border-top: 1px solid rgba(26, 26, 26, 0.2);
}

/* ---- 22b. 发展时间轴 ---- */

.heritage-timeline {
  background-color: var(--color-black);
  padding: clamp(4rem, 6.67vw, 8rem) 0;
  color: var(--color-white);
}

.heritage-timeline__eyebrow {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 3.6px;
  text-transform: uppercase;
  color: var(--color-lotto-red);
  margin-bottom: 1rem;
}

.heritage-timeline__title {
  font-size: clamp(2.25rem, 3.75vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3.6px;
  text-transform: uppercase;
  margin-bottom: clamp(3rem, 5vw, 6rem);
}

.heritage-timeline__nav {
  position: relative;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: clamp(4rem, 6.67vw, 8rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 1rem;
}

.heritage-timeline__nav-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.heritage-timeline__year {
  position: relative;
  flex-shrink: 0;
  padding: 0.5rem 0.25rem 1.25rem;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: clamp(1.75rem, 3.125vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -3px;
  line-height: 1;
  color: var(--color-white);
  opacity: 0.3;
  cursor: pointer;
  -webkit-transition: opacity 0.2s, color 0.2s;
  transition: opacity 0.2s, color 0.2s;
}

.heritage-timeline__year--active {
  color: var(--color-lotto-red);
  opacity: 1;
}

.heritage-timeline__year--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background-color: var(--color-lotto-red);
}

.heritage-timeline__list {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 6.67vw, 8rem);
}

.heritage-timeline__item {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
  min-height: clamp(320px, 31.25vw, 600px);
  scroll-margin-top: calc(var(--header-total-h) + 2rem);
}

.heritage-timeline__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.heritage-timeline__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.heritage-timeline__heading {
  font-size: clamp(1.75rem, 2.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: clamp(1.5rem, 1.94vw, 1.9375rem);
}

.heritage-timeline__text {
  max-width: 512px;
  font-size: clamp(1rem, 1.04vw, 1.25rem);
  font-weight: 300;
  line-height: 1.625;
  color: rgba(226, 226, 226, 0.8);
  margin-bottom: clamp(1.5rem, 1.94vw, 1.9375rem);
}

.heritage-timeline__meta {
  padding-top: 1.625rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.heritage-timeline__meta-label {
  display: block;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-lotto-red);
  margin-bottom: 0.5rem;
}

.heritage-timeline__meta-text {
  font-size: 0.875rem;
  line-height: 1.43;
  color: #e2e2e2;
}

/* ---- 22c. 全球影响力 ---- */

.heritage-footprint {
  background-color: #fdfdfd;
  padding: clamp(4rem, 6.67vw, 8rem) 0;
}

.heritage-footprint__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 5vw, 6rem);
  align-items: center;
}

.heritage-footprint__visual {
  position: relative;
}

.heritage-footprint__frame {
  position: absolute;
  left: -48px;
  top: -48px;
  width: clamp(120px, 13.33vw, 256px);
  height: clamp(120px, 13.33vw, 256px);
  border: 1px solid #e2e2e2;
  pointer-events: none;
}

.heritage-footprint__img {
  display: block;
  width: 100%;
  aspect-ratio: 788 / 440;
  object-fit: cover;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.heritage-footprint__badge {
  position: absolute;
  right: -32px;
  bottom: -32px;
  padding: 2rem;
  background-color: var(--color-lotto-red);
  color: var(--color-white);
}

.heritage-footprint__badge-num {
  display: block;
  font-size: clamp(2rem, 2.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
}

.heritage-footprint__badge-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.5;
}

.heritage-footprint__title {
  font-size: clamp(1.75rem, 2.5vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: 2rem;
}

.heritage-footprint__desc {
  max-width: 512px;
  font-size: 1rem;
  line-height: 1.625;
  color: #1a1a1a;
  margin-bottom: 2rem;
}

.heritage-footprint__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e2e2;
}

.heritage-footprint__feature-icon {
  display: block;
  width: 29px;
  height: auto;
  margin-bottom: 0.5rem;
}

.heritage-footprint__feature-icon--img {
  width: 80px;
  height: 45px;
  object-fit: cover;
  object-position: left center;
}

.heritage-footprint__feature-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.33;
  color: var(--color-black);
  margin-bottom: 0.25rem;
}

.heritage-footprint__feature-text {
  font-size: 0.75rem;
  line-height: 1.33;
  color: var(--color-text-muted);
}

/* ---- 22d. 工程核心 ---- */

.heritage-engineering {
  padding: clamp(4rem, 6.67vw, 8rem) 0;
}

.heritage-engineering__header {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: clamp(3rem, 5vw, 6rem);
}

.heritage-engineering__title {
  font-size: clamp(1.75rem, 2.5vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  line-height: 1;
  color: var(--color-black);
}

.heritage-engineering__accent {
  display: block;
  width: 96px;
  height: 4px;
  background-color: var(--color-lotto-red);
}

.heritage-engineering__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.heritage-engineering__card {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 500px;
  padding: clamp(1.5rem, 2.14vw, 2.5625rem);
  border: 1px solid #e2e2e2;
}

.heritage-engineering__num {
  display: block;
  font-size: clamp(1.75rem, 1.875vw, 2.25rem);
  font-weight: 800;
  line-height: 1.11;
  color: var(--color-lotto-red);
  margin-bottom: 1rem;
}

.heritage-engineering__card-title {
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.33;
  color: var(--color-black);
  margin-bottom: 1rem;
}

.heritage-engineering__card-desc {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.heritage-engineering__card-img-wrap {
  margin-top: 2rem;
  height: 160px;
  overflow: hidden;
}

.heritage-engineering__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

/* Heritage 页 — 平板（≤1024px） */
@media screen and (max-width: 1024px) {
  .heritage-origin__grid,
  .heritage-footprint__grid {
    grid-template-columns: 1fr;
  }

  .heritage-origin__visual {
    justify-content: center;
  }

  .heritage-timeline__item {
    grid-template-columns: 1fr;
  }

  .heritage-engineering__grid {
    grid-template-columns: 1fr;
  }

  .heritage-engineering__card {
    min-height: auto;
  }
}

/* Heritage 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .heritage-footprint__features {
    grid-template-columns: 1fr;
  }

  .heritage-footprint__frame {
    left: -16px;
    top: -16px;
    width: 120px;
    height: 120px;
  }

  .heritage-footprint__badge {
    right: -8px;
    bottom: -8px;
    padding: 1.25rem;
  }

  .heritage-origin__corner--red {
    left: -12px;
    bottom: -12px;
  }

  .heritage-origin__corner--gray {
    right: -12px;
    top: -12px;
  }
}


/* ==========================================================================
   23. NEWS PAGE — 新闻资讯页
   ========================================================================== */

.site-main--news {
  padding-top: var(--header-total-h);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.news-page {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  padding-top: clamp(1.5rem, 2.5vw, 5rem);
}

/* ---- 23a. 面包屑 ---- */

.news-breadcrumb {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  line-height: 1.18;
}

.news-breadcrumb a {
  color: #5e5e5e;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.news-breadcrumb a:hover {
  opacity: 0.65;
}

.news-breadcrumb__sep {
  padding: 0 0.5rem;
  color: #5e5e5e;
  font-size: 0.6875rem;
}

.news-breadcrumb__current {
  color: var(--color-black);
}

/* ---- 23b. 页头 & 筛选 ---- */

.news-header {
  display: -webkit-flex;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: clamp(3rem, 4.17vw, 5rem);
  margin-bottom: clamp(3rem, 4.17vw, 5rem);
}

.news-header__title {
  font-size: clamp(2rem, 2.08vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--color-nav-text);
}

.news-filter {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.news-filter__btn {
  display: inline-block;
  text-decoration: none;
  padding: 9px 33px;
  border: 1px solid var(--color-border-nav);
  background: transparent;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.33;
  text-transform: uppercase;
  color: var(--color-black);
  cursor: pointer;
  -webkit-transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.news-filter__btn--active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

/* ---- 23c. 文章列表 ---- */

.news-list {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 4.17vw, 5rem);
}

.news-card__link {
  display: block;
  color: inherit;
}

.news-card__link:hover .news-card__arrow {
  -webkit-transform: translate(2px, -2px);
  transform: translate(2px, -2px);
}

.news-card__img-wrap {
  width: 100%;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background-color: var(--color-black);
  margin-bottom: 2rem;
}

.news-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-transform-origin: center center;
  transform-origin: center center;
}

.news-card__body {
  display: -webkit-flex;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.news-card__content {
  max-width: 896px;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.news-card__meta {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  line-height: 1.5;
}

.news-card__category {
  font-weight: 400;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--color-black);
}

.news-card__meta-sep,
.news-card__date {
  color: #5e5e5e;
}

.news-card__title {
  font-size: clamp(1.75rem, 2.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -1.2px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-nav-text);
}

.news-card__excerpt {
  max-width: 768px;
  font-size: 1rem;
  line-height: 1.5;
  color: #5e5e5e;
}

.news-card__arrow {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 0.25rem;
  -webkit-transition: transform 0.2s;
  transition: transform 0.2s;
}

/* ---- 23d. 分页 ---- */

.news-pagination {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: clamp(3rem, 4.17vw, 5rem);
  padding-top: clamp(3rem, 4.22vw, 5rem);
  border-top: 1px solid var(--color-border-light);
}

.news-pagination__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  line-height: 1;
  text-transform: uppercase;
  color: #5e5e5e;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.news-pagination__label:hover {
  opacity: 0.65;
}

.news-pagination__label--muted {
  opacity: 0.4;
  pointer-events: none;
}

.news-pagination__nums {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.news-pagination__num {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  line-height: 1;
  color: #5e5e5e;
  -webkit-transition: background-color 0.2s, color 0.2s;
  transition: background-color 0.2s, color 0.2s;
}

.news-pagination__num:hover {
  color: var(--color-black);
}

.news-pagination__num--active {
  background-color: var(--color-black);
  color: var(--color-white);
}

.news-pagination__num--active:hover {
  color: var(--color-white);
}

.news-pagination__ellipsis {
  font-size: 1rem;
  line-height: 1.5;
  color: #5e5e5e;
  padding: 0 0.5rem;
}

/* News 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .news-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .news-filter {
    width: 100%;
  }

  .news-filter__btn {
    -webkit-flex: 1;
    flex: 1;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .news-card__body {
    flex-direction: column;
  }

  .news-card__arrow {
    align-self: flex-end;
  }
}


/* ==========================================================================
   24. NEWS DETAIL PAGE — 新闻详情页
   ========================================================================== */

.site-main--news-detail {
  padding-top: var(--header-total-h);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.news-detail__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 6rem) clamp(1rem, 3.33vw, 4rem) 0;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 4vw, 4rem);
}

.news-breadcrumb--detail a {
  color: #5e5e5e;
}

/* ---- 24a. 文章头部 ---- */

.news-detail__header {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-detail__meta-top {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1.29;
}

.news-detail__category {
  font-weight: 700;
  color: var(--color-black);
}

.news-detail__meta-sep,
.news-detail__date {
  color: #5e5e5e;
}

.news-detail__date {
  font-weight: 400;
  font-size: 0.875rem;
}

.news-detail__title {
  font-size: clamp(2rem, 3.33vw, 4rem);
  font-weight: 400;
  letter-spacing: -1.6px;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-nav-text);
  padding-bottom: 1.5rem;
}

.news-detail__meta-bar {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.5rem, 2.08vw, 2.5rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border-light);
}

.news-detail__meta-item {
  display: -webkit-flex;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  line-height: 1.18;
  color: #5e5e5e;
}

/* ---- 24b. 图片 & 正文 ---- */

.news-detail__figure {
  margin: 0;
}

.news-detail__figure--featured {
  padding-top: 1rem;
}

.news-detail__img-wrap {
  width: 100%;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background-color: var(--color-black);
}

.news-detail__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-transform-origin: center center;
  transform-origin: center center;
}

.news-detail__body {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4.5vw, 5.375rem);
  padding: 2rem 0 clamp(6rem, 8.33vw, 10rem);
  font-size: 1.125rem;
  line-height: 1.8;
  color: #5e5e5e;
  opacity: 0.86;
}

.news-detail__body p {
  margin: 0;
}

.news-detail__lead {
  margin: 0;
}

.news-detail__subtitle {
  font-size: clamp(1.5rem, 1.875vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.72px;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-nav-text);
  margin: 0;
}

/* ---- 24c. 上下篇 & 返回 ---- */

.news-detail__adjacent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: clamp(3rem, 4.06vw, 4.0625rem) 0 clamp(2rem, 4vw, 4rem);
  border-top: 1px solid var(--color-border-light);
}

.news-detail__adjacent-link {
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: inherit;
  -webkit-transition: opacity 0.2s;
  transition: opacity 0.2s;
}

.news-detail__adjacent-link:hover {
  opacity: 0.65;
}

.news-detail__adjacent-link--next {
  align-items: flex-end;
  text-align: right;
}

.news-detail__adjacent-label {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  line-height: 1.18;
  color: #5e5e5e;
}

.news-detail__adjacent-title {
  max-width: 400px;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
  color: var(--color-nav-text);
}

.news-detail__back-wrap {
  display: -webkit-flex;
  display: flex;
  justify-content: center;
  padding-top: clamp(3rem, 4.06vw, 4.0625rem);
  border-top: 1px solid var(--color-border-light);
}

.news-detail__back {
  display: -webkit-inline-flex;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 21px 49px;
  border: 1px solid var(--color-black);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.33;
  text-transform: uppercase;
  color: var(--color-black);
  -webkit-transition: background-color 0.2s, color 0.2s;
  transition: background-color 0.2s, color 0.2s;
}

.news-detail__back:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  opacity: 1;
}

/* News Detail 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .news-detail__adjacent {
    grid-template-columns: 1fr;
  }

  .news-detail__adjacent-link--next {
    align-items: flex-start;
    text-align: left;
  }

  .news-detail__back {
    width: 100%;
    justify-content: center;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}


/* About 页 — 平板（≤1024px） */
@media screen and (max-width: 1024px) {
  .about-partner__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-certificate__grid {
    grid-template-columns: 1fr;
  }

  .about-influence__grid {
    grid-template-columns: 1fr;
  }
}

/* About 页 — 移动端（≤767px） */
@media screen and (max-width: 767px) {
  .about-hero__title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
    letter-spacing: -1px;
  }

  .about-timeline__item {
    grid-template-columns: 20px 1fr;
    gap: 1.25rem;
    opacity: 1;
  }

  .about-timeline__marker {
    width: 20px;
    height: 20px;
  }

  .about-timeline__item:not(:last-child)::before {
    left: 9px;
    top: 20px;
  }

  .about-influence__stats {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   17. 媒体查询 — 超小屏（≤479px）
   ========================================================================== */

@media screen and (max-width: 479px) {

  :root {
    --header-topbar-h: 0px;   /* 超小屏隐藏顶部条 */
    --header-nav-h: 56px;
    --header-total-h: 56px;
  }

  /* 超小屏隐藏顶部联系条（节省空间） */
  .header-topbar {
    display: none;
  }

  .main-nav {
    height: 56px;
  }

  .site-main {
    padding-top: 56px;
  }

  .main-nav__logo-img {
    width: 36px;
    height: 29px;
  }

  .hero-banner {
    height: clamp(200px, 90vw, 320px);
  }

  .hero-banner__title {
    font-size: clamp(1.25rem, 7vw, 1.875rem);
  }

  .footer-bottom__copy {
    font-size: 0.5625rem;
  }

  .footer-bottom__nav a {
    font-size: 0.5625rem;
  }

  .footer-bottom__nav {
    gap: 0.75rem;
  }
}


/* ==========================================================================
   17. 浏览器兼容性补充（CSS 前缀 / Fallbacks）
   ========================================================================== */

/* Safari / Chrome 旧版 aspect-ratio Polyfill（使用 padding-top hack 回退） */
@supports not (aspect-ratio: 1 / 1) {
  .category-card__img-wrap {
    position: relative;
    height: 0;
    padding-top: 131.7%; /* 688/523 * 100% */
  }

  .category-card__img-wrap .category-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }

  .product-card__img-wrap {
    position: relative;
    height: 0;
    padding-top: 128.8%; /* 688/534 * 100% */
  }

  .product-card__img-wrap .product-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
}

/* Grid 不支持时降级为 Flexbox */
@supports not (display: grid) {
  .categories-grid,
  .products-grid {
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .categories-grid > .category-card {
    width: calc(33.33% - 1rem);
    flex: 0 0 auto;
  }

  .products-grid > .product-card {
    width: calc(33.33% - 1rem);
    flex: 0 0 auto;
  }

  .footer-grid {
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
  }

  .footer-col {
    width: calc(25% - 1rem);
    flex: 0 0 auto;
  }
}

/* Firefox 兼容：object-fit */
@-moz-document url-prefix() {
  .hero-banner__img,
  .category-card__img,
  .product-card__img,
  .global-supply__img,
  .cooperation__img {
    -o-object-fit: cover;
    object-fit: cover;
  }
}


/* ==========================================================================
   页面加载与滚动渐显（参考 Apple 产品页）
   ========================================================================== */

html.is-page-loading body {
  overflow: hidden;
}

html.is-page-loading .site-header,
html.is-page-loading .site-main,
html.is-page-loading .site-footer {
  opacity: 0;
  -webkit-transform: translateY(18px);
  transform: translateY(18px);
}

.site-header,
.site-main,
.site-footer {
  -webkit-transition: opacity 0.75s cubic-bezier(0.25, 0.1, 0.25, 1),
                      -webkit-transform 0.75s cubic-bezier(0.25, 0.1, 0.25, 1);
  transition: opacity 0.75s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.75s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html.is-page-ready .site-header,
html.is-page-ready .site-main,
html.is-page-ready .site-footer {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

html.is-page-ready .site-main {
  -webkit-transition-delay: 0.06s;
  transition-delay: 0.06s;
}

html.is-page-ready .site-footer {
  -webkit-transition-delay: 0.12s;
  transition-delay: 0.12s;
}

.page-reveal {
  opacity: 0;
  -webkit-transform: translateY(36px);
  transform: translateY(36px);
  -webkit-transition: opacity 1s cubic-bezier(0.25, 0.1, 0.25, 1),
                      -webkit-transform 1s cubic-bezier(0.25, 0.1, 0.25, 1);
  transition: opacity 1s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 1s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: opacity, transform;
}

.page-reveal.is-inview {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.page-reveal-stagger .page-reveal-item {
  opacity: 0;
  -webkit-transform: translateY(28px);
  transform: translateY(28px);
  -webkit-transition: opacity 0.9s cubic-bezier(0.25, 0.1, 0.25, 1),
                      -webkit-transform 0.9s cubic-bezier(0.25, 0.1, 0.25, 1);
  transition: opacity 0.9s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.9s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.page-reveal-stagger.is-inview .page-reveal-item {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html.is-page-loading body {
    overflow: auto;
  }

  html.is-page-loading .site-header,
  html.is-page-loading .site-main,
  html.is-page-loading .site-footer,
  .page-reveal,
  .page-reveal-stagger .page-reveal-item {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
    -webkit-transition: none;
    transition: none;
  }
}