/**
 * 文创用品品牌站 — 暖色手账风格
 * 主色：米白 + 浅棕 + 墨绿 + 暖橙
 * 大留白 · 大圆角 · 设计杂志感
 * 纯原生 CSS，无框架依赖
 */

/* Google Fonts — 优雅中文 */


/* ============================================================
   CSS 变量体系 — 暖色文创主题
   ============================================================ */
:root {
  /* 基底色 — 手账纸页 */
  --bg-warm: #FDF8F0;
  --bg-cream: #FAF3E6;
  --bg-white: #FFFFFF;
  --bg-paper: #FEF9F3;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FEFAF5;

  /* 品牌色 — 温暖治愈 */
  --brown: #D4C5A9;
  --brown-light: #E6DAC8;
  --brown-dark: #B8A080;
  --green: #2D4A3E;
  --green-light: #3D6B5A;
  --green-dark: #1E332A;
  --orange: #E8833A;
  --orange-light: #F0A060;
  --orange-dark: #CC6620;
  --orange-dim: rgba(232, 131, 58, 0.08);

  /* 文字色阶 */
  --text-primary: #2C2416;
  --text-secondary: #6B5E4A;
  --text-muted: #A09880;
  --text-light: #C5BBA8;
  --text-white: #FFFFFF;

  /* 边框 */
  --border-light: #E6DAC8;
  --border-default: #D4C5A9;
  --border-strong: #B8A080;

  /* 阴影 — 极轻柔 */
  --shadow-xs: 0 1px 3px rgba(44, 36, 22, 0.04);
  --shadow-sm: 0 2px 8px rgba(44, 36, 22, 0.06);
  --shadow-md: 0 4px 16px rgba(44, 36, 22, 0.08);
  --shadow-lg: 0 8px 32px rgba(44, 36, 22, 0.10);
  --shadow-card: 0 2px 12px rgba(44, 36, 22, 0.05);

  /* 圆角 — 大圆角亲和力 */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* 间距 */
  --section-py: 88px;
  --section-py-sm: 60px;
  --container-max: 1200px;
  --header-h: 72px;

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* 字体 — 优雅中文 */
  --font-heading: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 'PingFang SC', 'Microsoft YaHei', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'ZCOOL KuaiLe', 'Noto Serif SC', Georgia, 'STSong', cursive, serif;
}

/* ============================================================
   全局重置 & 基础
   ============================================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
}

body {
  background: var(--bg-warm);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

/* 背景纹理 — 纸页质感 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(212, 197, 169, 0.03) 2px,
      rgba(212, 197, 169, 0.03) 4px
    );
  pointer-events: none;
}

::selection {
  background: rgba(232, 131, 58, 0.15);
  color: var(--text-primary);
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-warm); }
::-webkit-scrollbar-thumb { background: var(--brown-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--brown); }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

ul, ol { list-style: none; }

input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
}
input::placeholder, textarea::placeholder {
  color: var(--text-light);
  opacity: 1;
}

/* ============================================================
   排版
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 28px;
}

.section-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--orange);
  opacity: 0.5;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
  position: relative;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* 手写风格点缀标题 */
.section-title.handwrite::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin: 12px auto 0;
  background: linear-gradient(90deg, var(--orange), var(--brown));
  border-radius: 2px;
}

/* ============================================================
   布局容器
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 900px;
}

.section {
  padding: var(--section-py) 0;
}

.section--sm {
  padding: var(--section-py-sm) 0;
}

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

.section--green {
  background: var(--green);
  color: rgba(255,255,255,0.85);
}

.section--green .section-title,
.section--green h2,
.section--green h3 { color: var(--text-white); }
.section--green .section-subtitle { color: rgba(255,255,255,0.6); }
.section--green .section-tag { color: var(--orange-light); }
.section--green .section-tag::before { background: var(--orange-light); }

/* ============================================================
   Header 头部 — 米白半透
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(253, 248, 240, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}

.header.scrolled {
  background: rgba(253, 248, 240, 0.97);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo — 手写风格 */
.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-right: auto;
}

.header__logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
}

.header__logo-name {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

/* 主导航 */
.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav-link {
  padding: 8px 14px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  font-weight: 500;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--orange);
  background: var(--orange-dim);
}

/* 导航下拉 */
.header__nav-item {
  position: relative;
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  padding: 8px 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 60;
}

.header__dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.header__dropdown a:hover {
  color: var(--orange);
  background: var(--orange-dim);
}

/* 头部右侧 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 20px;
}

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: transparent;
  color: var(--orange);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1.5px solid var(--orange);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
}

.header__cta:hover {
  background: var(--orange);
  color: #fff;
  color: #fff;
  box-shadow: 0 2px 12px rgba(232, 131, 58, 0.2);
}

/* ============================================================
   汉堡菜单（移动端）
   ============================================================ */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
  margin-left: 8px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--duration-normal) var(--ease-out);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 80%;
  max-width: 360px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 120;
  transform: translateX(-100%);
  transition: transform var(--duration-normal) var(--ease-out);
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav__inner {
  padding: 24px;
  padding-top: 80px;
}

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  font-weight: 500;
}

.mobile-nav__link:hover {
  color: var(--orange);
  background: var(--orange-dim);
}

.mobile-nav__sub {
  padding-left: 16px;
  display: none;
}

.mobile-nav__sub.open {
  display: block;
}

.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 115;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.mobile-nav__overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative;
  height: 320px;
  overflow: hidden;
  background: var(--green-dark);
}

.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(30, 51, 42, 0.6) 0%,
    rgba(30, 51, 42, 0.4) 50%,
    rgba(253, 248, 240, 0.95) 100%
  );
}

.inner-banner__content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.inner-banner__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.inner-banner__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
}

/* 面包屑 */
.breadcrumb-bar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.breadcrumb a:hover {
  color: var(--orange);
}

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: var(--orange);
  color: #fff;
}

.btn--primary:hover {
  background: var(--orange-dark);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 131, 58, 0.3);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--orange);
  border: 1.5px solid var(--orange);
}

.btn--outline:hover {
  background: var(--orange);
  color: #fff;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn--ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn--white {
  background: #fff;
  color: var(--text-primary);
}

.btn--white:hover {
  background: var(--bg-warm);
  box-shadow: var(--shadow-md);
}

.btn--green {
  background: var(--green);
  color: #fff;
}

.btn--green:hover {
  background: var(--green-light);
  color: #fff;
}

/* ============================================================
   卡片系统 — 米白底 + 极轻阴影
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
  border-color: var(--border-default);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card:hover .card__image img {
  transform: scale(1.04);
}

.card__body {
  padding: 20px;
}

.card__tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--orange);
  background: var(--orange-dim);
  border-radius: var(--radius-xs);
  margin-bottom: 8px;
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__price {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--orange);
  margin-top: 10px;
}

.card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--orange);
  font-weight: 600;
  margin-top: 10px;
  transition: gap var(--duration-fast);
}

.card:hover .card__arrow {
  gap: 8px;
}

/* ============================================================
   首页 — Hero Banner
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 800px;
  overflow: hidden;
  background: var(--bg-cream);
}

.hero .swiper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg,
    rgba(44, 36, 22, 0.15) 0%,
    rgba(44, 36, 22, 0.05) 40%,
    rgba(44, 36, 22, 0.5) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 60px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
  max-width: 640px;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  font-weight: 400;
  max-width: 500px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero__decorative {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.4);
  z-index: 3;
  display: flex;
  align-items: center;
}

.hero__decorative::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  position: absolute;
  left: -4px;
}

/* Hero Swiper 分页器 */
.hero-pagination {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.hero-pagination .swiper-pagination-bullet {
  width: 32px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
  opacity: 1;
  transition: all var(--duration-normal);
}

.hero-pagination .swiper-pagination-bullet-active {
  width: 48px;
  background: var(--orange);
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollFloat 2s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent);
}

@keyframes scrollFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   首页 — 核心产品分类（4列手绘卡片）
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--brown);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.category-card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--bg-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--orange);
  transition: all var(--duration-normal) var(--ease-out);
}

.category-card:hover .category-card__icon {
  background: var(--orange);
  color: #fff;
  transform: scale(1.08);
}

.category-card__name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.category-card__desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   首页 — 精选好物（错落布局）
   ============================================================ */
.featured-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}

.featured-grid .featured-item:first-child {
  grid-row: 1 / 3;
}

.featured-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}

.featured-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.featured-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.featured-item:first-child .featured-item__image {
  aspect-ratio: auto;
  height: 100%;
}

.featured-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
}

.featured-item__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.featured-item__brand {
  font-size: 0.8rem;
  opacity: 0.75;
}

/* ============================================================
   首页 — 创作者作品（4列画廊）
   ============================================================ */
.work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.work-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
}

.work-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.work-item:hover .work-item__image {
  transform: scale(1.06);
}

.work-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0,0,0,0.5));
  opacity: 0;
  transition: opacity var(--duration-normal);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}

.work-item:hover .work-item__overlay {
  opacity: 1;
}

.work-item__author {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
}

.work-item__type {
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
}

/* ============================================================
   首页 — 品牌故事（左图右文）
   ============================================================ */
.story-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-cream);
}

.story-image::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  border: 2px solid var(--brown-light);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.5;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.story-text p {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 1rem;
}

/* ============================================================
   首页 — 新闻（左大右小）
   ============================================================ */
.news-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.news-hero-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--bg-cream);
}

.news-hero-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}

.news-hero-item:hover .news-hero-item__image {
  transform: scale(1.04);
}

.news-hero-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: #fff;
}

.news-hero-item__date {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-bottom: 4px;
}

.news-hero-item__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
}

/* 右侧小卡片 */
.news-side-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-side-item {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
}

.news-side-item:hover {
  border-color: var(--brown);
  box-shadow: var(--shadow-xs);
}

.news-side-item__thumb {
  width: 80px;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-cream);
}

.news-side-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-side-item__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-side-item__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-side-item__date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================================
   首页 — CTA 区块
   ============================================================ */
.cta-section {
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.cta-section__card {
  max-width: 650px;
  margin: 0 auto;
  padding: 56px 40px;
  background: var(--bg-white);
  border: 2px solid var(--brown-light);
  border-radius: var(--radius-2xl);
  position: relative;
}

.cta-section__card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
}

.cta-section__title {
  font-family: var(--font-accent);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.cta-section__desc {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

/* ============================================================
   Footer 底部 — 暖色四列
   ============================================================ */
.footer {
  background: var(--green-dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer__top-line {
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--brown), var(--orange-light));
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 40px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.footer__brand-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin: 14px 0;
}

.footer__social {
  display: flex;
  gap: 8px;
}

.footer__social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: all var(--duration-fast);
}

.footer__social a:hover {
  background: var(--orange);
  color: #fff;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--duration-fast);
}

.footer__links a:hover {
  color: var(--orange-light);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}

.footer__contact-item i {
  color: var(--orange-light);
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

.footer__qrcode {
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: #999;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom a {
  color: rgba(255,255,255,0.4);
}

.footer__bottom a:hover {
  color: var(--orange-light);
}

/* 友情链接 */
.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
}

.friend-links__label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  flex-shrink: 0;
}

.friend-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--duration-fast);
}

.friend-links a:hover {
  color: var(--orange-light);
}

/* ============================================================
   列表页 — 产品/新闻/案例
   ============================================================ */
.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.list-header {
  text-align: center;
  margin-bottom: 48px;
}

.list-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.5rem;
}

/* 子栏目过滤栏 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 36px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-bar a {
  display: inline-flex;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.filter-bar a:hover,
.filter-bar a.active {
  color: #fff;
  background: var(--orange);
  border-color: var(--orange);
}

/* ============================================================
   详情页 — 产品/案例/新闻
   ============================================================ */
.detail {
  max-width: 900px;
  margin: 0 auto;
}

/* 产品详情 — 双栏布局 */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.product-gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-cream);
}

.product-gallery .swiper-slide {
  aspect-ratio: 1;
}

.product-gallery .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-gallery-thumbs {
  margin-top: 12px;
}

.product-gallery-thumbs .swiper-slide {
  width: 80px !important;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.5;
  border: 2px solid transparent;
  transition: all var(--duration-fast);
}

.product-gallery-thumbs .swiper-slide-thumb-active {
  opacity: 1;
  border-color: var(--orange);
}

.product-gallery-thumbs .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 产品信息区 */
.product-info__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-info__meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.product-info__params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
}

.product-info__param {
  padding: 14px;
  background: var(--bg-cream);
  border-radius: var(--radius-sm);
}

.product-info__param-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.product-info__param-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Tab 选项卡 */
.tabs {
  margin-top: 48px;
}

.tabs__nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 28px;
}

.tabs__btn {
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.tabs__btn:hover,
.tabs__btn.active {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.tab-panel {
  display: none;
}

.tab-panel:not(.hidden) {
  display: block;
}

.tab-panel.hidden {
  display: none;
}

/* 详情正文 */
.detail__body {
  color: var(--text-secondary);
  line-height: 2;
  font-size: 0.95rem;
  letter-spacing: 0.015em;
}

.detail__body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  max-width: 100%;
}

.detail__body p { margin-bottom: 16px; }

.detail__body h2,
.detail__body h3,
.detail__body h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 16px;
}

/* 上下篇导航 */
.detail__pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.detail__pager a {
  color: var(--text-secondary);
}

.detail__pager a:hover {
  color: var(--orange);
}

/* 相关推荐 */
.related-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 56px 0 24px;
  color: var(--text-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ============================================================
   联系我们页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: all var(--duration-fast);
}

.contact-info-item:hover {
  border-color: var(--brown);
}

.contact-info-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--orange-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-info-item__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.contact-info-item__value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 联系表单 */
.contact-form-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group label .required {
  color: var(--orange);
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--duration-fast) var(--ease-out);
}

.form-control:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-dim);
  background: var(--bg-white);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23A09880' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ============================================================
   搜索页
   ============================================================ */
.search-box {
  max-width: 700px;
  margin: 0 auto;
}

.search-form-row {
  display: flex;
  gap: 10px;
}

.search-input-wrap {
  position: relative;
  flex: 1;
}

.search-input-wrap i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-input-wrap input {
  width: 100%;
  padding: 14px 18px 14px 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.search-input-wrap input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-dim);
}

/* 搜索结果 */
.search-result-item {
  display: flex;
  gap: 18px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
  margin-bottom: 10px;
}

.search-result-item:hover {
  border-color: var(--brown);
  box-shadow: var(--shadow-xs);
}

.search-result-item__thumb {
  width: 120px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-cream);
}

.search-result-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-item__info {
  flex: 1;
  min-width: 0;
}

.search-result-item__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-item__date {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.search-result-item__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   留言/咨询表单页
   ============================================================ */
.inquiry-form {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.pagination a:hover {
  background: var(--orange-dim);
  color: var(--orange);
}

.pagination .active {
  background: var(--orange);
  color: #fff;
  font-weight: 600;
}

.pagination .disabled {
  color: var(--text-light);
  pointer-events: none;
}

/* ============================================================
   空状态
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state i {
  font-size: 2.5rem;
  color: var(--text-light);
  margin-bottom: 14px;
  display: block;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed;
  right: 20px;
  bottom: 80px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 80;
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-sm);
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-top:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

/* 在线客服按钮 */
.online-service {
  position: fixed;
  right: 20px;
  bottom: 132px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  z-index: 80;
  box-shadow: 0 4px 16px rgba(232, 131, 58, 0.35);
  transition: all var(--duration-normal) var(--ease-out);
}

.online-service:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(232, 131, 58, 0.45);
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

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

@keyframes gentleBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* AOS 覆盖 */
[data-aos] {
  transition-timing-function: var(--ease-out);
}

/* 温和动画 */
[data-aos="fade-up"] {
  transform: translateY(16px);
}

/* ============================================================
   响应式 — 平板 (< 1024px)
   ============================================================ */
@media (max-width: 1023px) {
  :root {
    --section-py: 64px;
    --section-py-sm: 44px;
  }

  .header__inner {
    padding: 0 16px;
  }

  .header__logo-name {
    font-size: 1rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header__logo-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
    flex-shrink: 0;
  }

  .header__nav,
  .header__actions {
    display: none;
  }

  .hamburger {
    display: flex;
    flex-shrink: 0;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 115;
  }

  .header__inner {
    position: relative;
  }

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

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

  .featured-grid .featured-item:first-child {
    grid-row: auto;
  }

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

  .story-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .news-hero-grid {
    grid-template-columns: 1fr;
  }

  .list-grid,
  .list-grid--4col {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .cta-section__card {
    padding: 40px 24px;
  }

  .inner-banner {
    height: 260px;
  }
}

/* ============================================================
   响应式 — 移动端 (< 768px)
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --section-py: 48px;
    --section-py-sm: 36px;
    --header-h: 60px;
    --container-max: 100%;
  }

  body {
    overflow-x: hidden;
  }

  .container {
    padding: 0 16px;
  }

  .header__inner {
    padding: 0 12px;
  }

  .header__logo {
    gap: 6px;
  }

  .header__logo-name {
    font-size: 0.9rem;
    max-width: 100px;
  }

  .header__logo-icon {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .hero {
    height: 70vh;
    min-height: 420px;
    max-height: 600px;
  }

  .hero__content {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 60px;
  }

  .hero__title {
    font-size: clamp(1.5rem, 7vw, 2.2rem);
  }

  .hero__subtitle {
    font-size: 0.9rem;
  }

  .hero__actions {
    flex-direction: column;
    gap: 10px;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__scroll,
  .hero__decorative {
    display: none;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .section-subtitle {
    font-size: 0.9rem;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .category-card {
    padding: 20px 10px;
  }

  .category-card__icon {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
    margin-bottom: 10px;
  }

  .category-card__name {
    font-size: 0.9rem;
  }

  .category-card__desc {
    font-size: 0.75rem;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .featured-item {
    aspect-ratio: 16/9;
  }

  .featured-item:first-child {
    grid-row: auto;
  }

  .work-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .story-section {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .story-image::after {
    display: none;
  }

  .news-hero-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .news-hero-item {
    aspect-ratio: 16/9;
  }

  .news-side-item__thumb {
    width: 60px;
    height: 50px;
  }

  .list-grid,
  .list-grid--4col {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .product-info__title {
    font-size: 1.3rem;
  }

  .related-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 4px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-form-card {
    padding: 20px;
  }

  .inquiry-form {
    padding: 20px;
  }

  .card__body {
    padding: 14px;
  }

  .inner-banner {
    height: 180px;
  }

  .inner-banner__title {
    font-size: 1.4rem;
  }

  .breadcrumb {
    font-size: 0.78rem;
    padding: 10px 16px;
  }

  .search-result-item {
    flex-direction: column;
  }

  .search-result-item__thumb {
    width: 100%;
    height: 140px;
  }

  .detail__pager {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .pagination a,
  .pagination span {
    min-width: 34px;
    height: 34px;
    font-size: 0.8rem;
  }

  .tabs__btn {
    padding: 10px 14px;
    font-size: 0.82rem;
  }

  .cta-section__card {
    padding: 32px 18px;
  }

  .cta-section__title {
    font-size: 1.3rem;
  }

  .cta-section__desc {
    font-size: 0.9rem;
  }

  .filter-bar a {
    padding: 6px 14px;
    font-size: 0.78rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
  }

  .back-top,
  .online-service {
    right: 10px;
  }

  .online-service {
    bottom: 96px;
  }
}

/* ============================================================
   响应式 — 小屏 (< 375px)
   ============================================================ */
@media (max-width: 374px) {
  body { font-size: 14px; }
  .category-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .product-info__params { grid-template-columns: 1fr; }
}

/* ============================================================
   偏好：减少动画
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 6-23 mobile: warm journal layout, original typefaces and content. */
@media(max-width:1023px){
 :root{--header-h:64px;--section-py:36px;--section-py-sm:28px}
 .container,.header__inner{padding-left:20px;padding-right:20px}.header__logo-name{max-width:none;white-space:normal;overflow:visible;font-size:17px}.hamburger{right:20px}
 .mobile-nav{visibility:hidden;height:100dvh}.mobile-nav.open{visibility:visible}.mobile-nav__inner{padding:68px 20px 28px}.mobile-nav__link{padding:11px 10px;font-size:15px}.mobile-nav__close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;background:var(--bg-cream);border:1px solid var(--border-light);color:var(--green);font-size:24px;cursor:pointer}.js-submenu-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;background:transparent;font:inherit;text-align:left;color:var(--text-secondary)}.mobile-nav__sub{padding-left:12px}
 .search-hero{margin-top:calc(var(--header-h) + 16px);padding-top:0!important}
 .inner-banner{margin-top:calc(var(--header-h) + 16px);height:auto!important;min-height:180px;overflow:visible}.inner-banner__content{height:auto;min-height:180px;padding:26px 20px}.inner-banner__title{font-size:26px;line-height:1.5;overflow-wrap:anywhere}.inner-banner__subtitle{font-size:14px;line-height:1.7;overflow-wrap:anywhere}.breadcrumb{padding:12px 20px;font-size:12px;line-height:1.8;gap:6px;overflow-wrap:anywhere}
 .hero{height:450px;min-height:0;max-height:none}.hero__content{padding:100px 20px 38px;justify-content:flex-end}.hero__title{font-size:30px;line-height:1.4;margin-bottom:12px}.hero__subtitle{font-size:14px;line-height:1.7;margin-bottom:22px}.hero__actions{flex-direction:row;gap:10px}.hero__actions .btn{width:auto;padding:11px 20px;flex:0 1 auto}.hero-pagination{margin-top:20px}.hero__decorative,.hero__scroll{display:none}
 .section-title{font-size:25px;line-height:1.5}.section-tag{font-size:11px;margin-bottom:10px}.section-subtitle{font-size:14px;line-height:1.8}.home-page .section>.container>div[style*="margin-bottom:48px"]{margin-bottom:24px!important}
 .category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-card{padding:18px 12px;border-radius:20px}.category-card__icon{width:40px;height:40px;font-size:20px;margin-bottom:10px}.category-card__name{font-size:16px;margin-bottom:4px}.category-card__desc{font-size:12px}
 .featured-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;grid-template-rows:auto}.featured-grid .featured-item:first-child{grid-row:auto}.featured-item{aspect-ratio:auto;border-radius:20px}.featured-item__image,.featured-item:first-child .featured-item__image{height:auto;aspect-ratio:4/3;object-fit:cover}.featured-item__info{position:static;padding:14px;background:var(--green);color:white}.featured-item__title{color:#fff;font-size:16px;line-height:1.6;overflow-wrap:anywhere}
 .home-page .story-section [data-aos]{transform:translateY(16px)}.home-page .story-section [data-aos].aos-animate{transform:translateY(0)}
 .story-section{grid-template-columns:minmax(0,1fr);gap:22px}.story-image{aspect-ratio:16/9}.story-text{gap:12px}.story-text p{font-size:14px;line-height:1.85}.story-text .section-title{margin:0}.story-image::after{display:none}
 .work-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:14px}.work-item{aspect-ratio:auto!important;background:var(--bg-white);border:1px solid var(--border-light)}.work-item__image{height:auto;aspect-ratio:4/3;object-fit:cover}.work-item__overlay{position:static;opacity:1;background:var(--bg-white);padding:12px;gap:4px}.work-item__author{color:var(--green);font-size:15px;line-height:1.6}.work-item__type{color:var(--text-muted);font-size:12px}
 .news-hero-grid{grid-template-columns:minmax(0,1fr);gap:12px}.news-hero-item{aspect-ratio:auto;display:grid;grid-template-columns:100px minmax(0,1fr);background:var(--bg-white)}.news-hero-item__image{height:100%;object-fit:cover}.news-hero-item__info{position:static;background:transparent;color:var(--text-primary);padding:16px}.news-hero-item__title{font-size:17px;line-height:1.6}.news-side-item{padding:14px;gap:12px}.news-side-item__thumb{width:72px;height:65px}.news-side-item__title{font-size:15px;line-height:1.6}
 .list-grid,.list-grid--4col{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.list-grid>*,.featured-grid>*,.story-section>*,.contact-grid>*,.product-detail>*,.footer__grid>*,.form-group{min-width:0}.card__body{padding:14px}.card__title{font-size:16px;line-height:1.6;overflow-wrap:anywhere}.card__desc{font-size:13px}.card__image{aspect-ratio:4/3}.list-header{margin-bottom:24px}.list-header h1{font-size:25px;line-height:1.5}.filter-bar{flex-wrap:wrap;overflow:visible;gap:8px;padding:12px 0}.filter-bar a{font-size:12px;padding:6px 12px;white-space:normal}body>div[style*="position:sticky"]{position:static!important}
 .product-detail{grid-template-columns:minmax(0,1fr);gap:24px}.product-gallery{min-width:0}.product-gallery>img{max-height:360px;object-fit:contain!important;aspect-ratio:4/3!important}.product-info__title{font-size:24px;line-height:1.6}.product-info__params{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.product-info__param{padding:12px}.product-info__param-value{overflow-wrap:anywhere;font-size:14px}.tabs{margin-top:30px}.tabs__nav{flex-wrap:wrap;gap:6px}.tabs__btn{padding:11px 12px;font-size:14px}.tab-panel{padding-top:22px}.tab-panel>div[style*="padding:32px"]{padding:20px!important}.detail__body{font-size:15px;overflow-wrap:anywhere;line-height:1.85}.detail__body img{max-width:100%;height:auto}.detail__body table{width:100%;table-layout:fixed;overflow-wrap:anywhere}.detail__body td,.detail__body th{padding:8px;font-size:12px}.detail__pager{flex-direction:column;gap:10px;text-align:left;overflow-wrap:anywhere;padding:22px 0;margin-top:30px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related-title{margin-top:30px}.container h1{overflow-wrap:anywhere;line-height:1.6}
 .contact-grid{grid-template-columns:minmax(0,1fr);gap:28px}.contact-info-item{padding:16px;gap:12px}.contact-info-item__icon{flex-shrink:0;width:38px;height:38px;font-size:18px}.contact-info-item__value{overflow-wrap:anywhere;font-size:14px}.contact-info-item>div{min-width:0}.contact-form-card,.inquiry-form{padding:20px}.form-control{min-width:0;max-width:100%;font-size:16px}.contact-form-card form>div[style*="grid-template-columns"]{grid-template-columns:minmax(0,1fr)!important;gap:0!important}.form-group img{flex-shrink:0}.search-form-row{gap:8px}.search-input-wrap{min-width:0}.search-input-wrap input{font-size:16px;min-width:0}.search-form-row>.btn{padding:10px 16px}.search-result-item{flex-direction:row;gap:14px;padding:14px}.search-result-item__thumb{width:90px;height:90px;flex-shrink:0}.search-result-item__info{min-width:0}.search-result-item__title{font-size:16px;overflow-wrap:anywhere}.pagination{flex-wrap:wrap}
 .cta-section{padding:30px 20px}.cta-section__card{padding:30px 20px}.cta-section__title{font-size:25px;line-height:1.5}.cta-section__desc{font-size:14px}.footer{padding-top:32px}.footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}.footer__grid>div:first-child{grid-column:1/-1}.footer__col-title{margin-bottom:14px}.footer__links{gap:8px}.footer__contact-item{font-size:13px;overflow-wrap:anywhere}.footer__bottom-inner{flex-direction:column;gap:8px;text-align:center}.back-top,.online-service{width:40px;height:40px;right:12px}.online-service{bottom:24px}.back-top{bottom:74px}
}
@media(max-width:600px){
 .hero{height:410px}.hero__title{font-size:27px}.hero__actions .btn{font-size:13px;padding:11px 16px}.featured-item__info{padding:12px}.featured-item__title{font-size:14px}.home-page .story-image{aspect-ratio:2/1}.home-page .work-grid{grid-template-columns:minmax(0,1fr)!important}.home-page .work-item{display:grid;grid-template-columns:100px minmax(0,1fr)}.home-page .work-item__image{height:100%;aspect-ratio:auto}.home-page .work-item__overlay{padding:14px}.list-grid,.list-grid--4col{grid-template-columns:minmax(0,1fr)}.list-grid .card{display:grid;grid-template-columns:100px minmax(0,1fr)}.list-grid .card__image{height:100%;aspect-ratio:auto}.list-grid .card__image img{height:100%;object-fit:cover}.related-grid .card__title{font-size:14px}.footer__grid>div:last-child{grid-column:1/-1}.search-result-item__thumb{width:72px;height:80px}.btn{white-space:normal}.inner-banner__title{font-size:24px}.container h1[style]{font-size:24px!important}
}