/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===============================
   WaiKwan Brand Color System
================================ */
:root {
  /* Brand Red (Primary) */
  --wk-red-900: #7a0f16;   /* 深红：极少用 */
  --wk-red-700: #a4161a;   /* Logo 主红（推荐） */
  --wk-red-600: #c81e1e;   /* CTA / 强调 */
  --wk-red-500: #e53935;   /* Hover（慎用） */

  /* Neutral (Base) */
  --wk-black: #0f172a;
  --wk-gray-900: #1f2937;
  --wk-gray-700: #374151;
  --wk-gray-500: #6b7280;
  --wk-gray-300: #d1d5db;

  /* Background */
  --wk-bg-main: #f8fafc;
  --wk-bg-card: #ffffff;
  --wk-bg-soft: #f1f5f9;

  /* Border */
  --wk-border-light: rgba(15, 23, 42, 0.08);

  /* Accent */
  --wk-accent-soft-red: rgba(200, 30, 30, 0.08);
}

/* Global brand colors */
body {
  background: var(--wk-bg-main);
  color: var(--wk-gray-900);
}

h1, h2, h3 {
  color: var(--wk-black);
}

p {
  color: var(--wk-gray-700);
}

a {
  color: var(--wk-red-700);
}

a:hover {
  color: var(--wk-red-600);
}


:root {
    /* 主色调 */
    --primary-color: #2c5aa0;
    --primary-dark: #1e3f73;
    --primary-light: #4a7bc8;
    
    /* 辅助色 */
    --secondary-color: #f8f9fa;
    --accent-color: #ff6b35;
    
    /* 中性色 */
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e9ecef;
    
    /* 字体 */
    --font-primary: 'Noto Sans SC', 'Inter', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 过渡 */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* ===== Premium UI Layer (2026) ===== */
    --container-max: 1240px;
    --container-pad: clamp(16px, 3vw, 28px);

    --radius-2xl: 1.25rem;
    --shadow-soft: 0 10px 30px rgba(20, 30, 50, 0.10);
    --shadow-card: 0 12px 28px rgba(20, 30, 50, 0.12);

    --text-muted: rgba(31,45,61,.72);
    --text-faint: rgba(31,45,61,.55);

    --section-py: clamp(44px, 6vw, 84px);
    --h1: clamp(30px, 3.2vw, 46px);
    --h2: clamp(22px, 2.3vw, 32px);
    --h3: clamp(18px, 1.6vw, 22px);
    --p:  clamp(15px, 1.1vw, 17px);
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    scroll-behavior: smooth;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* ===== Typography polish ===== */
h1 { font-size: var(--h1); line-height: 1.12; letter-spacing: -0.02em; }
h2 { font-size: var(--h2); line-height: 1.2;  letter-spacing: -0.015em; }
h3 { font-size: var(--h3); line-height: 1.25; }
p  { font-size: var(--p);  color: var(--text-muted); }

/* Better tap/keyboard UX */
a, button { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(44,90,160,.35); outline-offset: 2px; border-radius: 10px; }

/* ===== Sections spacing (global) ===== */
section { scroll-margin-top: 110px; }
.section-header { margin-bottom: clamp(18px, 2.5vw, 30px); }
.section-header p { max-width: 72ch; margin-inline: auto; }

/* ===== Buttons (consistent) ===== */
.btn {
    border-radius: 999px;
    padding: 12px 18px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.btn.btn-primary { box-shadow: 0 10px 20px rgba(44,90,160,.22); }
.btn.btn-secondary { background: rgba(44,90,160,.06); border: 1px solid rgba(44,90,160,.16); }
.btn i { margin-left: 6px; }

/* ===== Cards (unified) ===== */
.wk-card,
.product-item,
.ap-card {
    background: rgba(255,255,255,.92);
    border: 1px solid rgba(15,23,42,.08);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}
.wk-card:hover,
.product-item:hover,
.ap-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

/* ===== All Products (ap-*) styles (remove inline styles from JS) ===== */
.ap-card { display: flex; flex-direction: column; }
.ap-img { aspect-ratio: 4 / 3; background: rgba(15,23,42,.04); overflow: hidden; }
.ap-img img { width: 100%; height: 100%; object-fit: cover; object-position: var(--wk-hero-object-position, center); display: block; }
.ap-img .sprite-thumb { width: 100%; height: 100%; border-radius: 0; background-repeat: no-repeat; background-position: center; }
.ap-body { padding: 16px 16px 18px; }
.ap-body h3 { margin: 0 0 8px; color: var(--text-dark); }
.ap-meta { margin: 0 0 10px; font-size: 13px; color: var(--text-faint); }
.ap-specs { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 14px; }
.ap-actions { display: flex; gap: 10px; margin-top: 10px; }
.ap-actions .btn { flex: 1; text-align: center; justify-content: center; }

/* ===== Unified hero media (cards) =====
   Ensures consistent card image height across grids and dynamic templates.
   Default aspect ratio: 4 / 3
*/
.ap-img,
.product-row-image,
.product-image,
.tent-type-card__imgWrap,
.home .wk-product-media {
    --wk-hero-object-position: center;
    width: 100%;
    aspect-ratio: 4 / 3;
    height: auto;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(15,23,42,0.05), rgba(15,23,42,0.02));
}

/* Back-compat fallback (older browsers): keep a reasonable fixed height */
@supports not (aspect-ratio: 1 / 1) {
    .ap-img,
    .product-row-image,
    .product-image,
    .tent-type-card__imgWrap,
    .home .wk-product-media {
        height: 200px;
    }
}

.product-image img,
.product-row-image img,
.tent-type-card__img,
.home .wk-product-media img,
.home .wk-product-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: var(--wk-hero-object-position, center);
}

/* Optional crop focus overrides (use on the image container) */
.hero-top,
[data-object-position="top"] { --wk-hero-object-position: top; }
.hero-bottom,
[data-object-position="bottom"] { --wk-hero-object-position: bottom; }
.hero-left,
[data-object-position="left"] { --wk-hero-object-position: left; }
.hero-right,
[data-object-position="right"] { --wk-hero-object-position: right; }
.hero-top-left,
[data-object-position="top left"] { --wk-hero-object-position: top left; }
.hero-top-right,
[data-object-position="top right"] { --wk-hero-object-position: top right; }
.hero-bottom-left,
[data-object-position="bottom left"] { --wk-hero-object-position: bottom left; }
.hero-bottom-right,
[data-object-position="bottom right"] { --wk-hero-object-position: bottom right; }

/* Spec tags look more premium */
.spec-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(44,90,160,.07);
    border: 1px solid rgba(44,90,160,.12);
    color: rgba(31,45,61,.78);
    font-size: 12px;
    font-weight: 600;
}

/* ===== Navbar mobile polish ===== */
@media (max-width: 980px) {
    .nav-container { padding: 12px 14px; min-height: 72px; }
    .nav-actions { min-width: auto; gap: 10px; }
    .nav-logo { margin-right: 16px; }
}

@media (max-width: 768px) {
    .top-bar { font-size: 12px; height: auto; padding: 6px 0; }
    .navbar { top: 28px; }
    section { scroll-margin-top: 96px; }
    .btn { padding: 12px 16px; }
    .ap-actions { flex-direction: column; }
}

/* reduce motion */
@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* 语言切换器 */
.language-switcher {
    position: fixed;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    /* Ensure the switcher is above the top bar and navbar */
    z-index: 1002;
    display: flex;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
} 

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.lang-btn:hover {
    background: var(--secondary-color);
    color: var(--text-dark);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
}

/* 顶部提示栏 */
/* ===== Top announcement bar - blended style (Signazon-like) ===== */
.top-bar,
.announcement-bar,
.header-top {
    background:
        linear-gradient(
            90deg,
            rgba(80, 130, 200, 0.35) 0%,
            rgba(120, 160, 220, 0.30) 50%,
            rgba(160, 190, 235, 0.25) 100%
        );
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: rgba(255, 255, 255, 0.95);
    padding: 8px 0;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.4px;
    line-height: 1.4;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    height: 32px;
    font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.top-bar span,
.top-bar-content span,
.announcement-bar span,
.header-top span {
    opacity: 0.95;
}

.top-bar-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 32px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    overflow: visible;                /* ✅ 防止下拉被裁切 */
}

.nav-container {
    max-width: 100%;                 /* ✅ 让导航内容区变宽/全宽 */
    margin: 0 auto;
    padding: 14px 24px;               /* ✅ 左右 padding 24px */
    display: flex;
    justify-content: space-between;
    align-items: center;              /* ✅ 避免视觉偏移 */
    gap: 18px;
    min-height: 80px;
    overflow: visible;                /* ✅ 防止下拉被裁切 */
}

.nav-logo {
    position: relative;                /* ✅ 给子元素定位参考 */
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-right: 64px;               /* ✅ 增加到64 */
}

/* ===== Header Pro (B2B style) ===== */

/* 整个header高度与留白更"高级" */
.site-header,
header {
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* 左侧品牌区：限制宽度，避免挤菜单 */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;                       /* ✅ 缩小 gap，让公司名向左靠近 logo */
    min-width: 260px;
    max-width: 420px;                /* 防止公司名太长把菜单挤掉 */
}

/* ===== Floating logo (已移至文件底部，此处仅作注释) ===== */

/* 文本区域 */
.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;               /* ✅ 整体品牌区更紧凑 */
    min-width: 0;                    /* 允许省略号生效 */
}

/* 公司名：用 clamp 让不同屏幕自适应，不会过大 */
.brand-name {
    font-size: clamp(16px, 1.35vw, 20px);
    font-weight: 700;
    color: #14202e;                  /* 更深色，增强对比 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: .1px;
}

/* Since：更像"标签"，高级但不抢戏 */
.brand-sub {
    margin-top: 4px;
    font-size: 11px;
    letter-spacing: 1.2px;
    color: rgba(31,45,61,.55);
    text-transform: uppercase;
}

/* 可选：让 SINCE 2010 更像小徽标 */
.brand-sub::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 1px;
    background: rgba(31,45,61,.25);
    margin-right: 8px;
    transform: translateY(-3px);
}

/* 中间菜单：保持在中间，不被左侧挤走 */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 22px;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
    margin: 0;
    margin-left: auto;
    padding: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    flex: 1;
    justify-content: center;
    min-width: 0;
}

/* 右侧图标区：固定宽度，保证视觉对齐 */
.nav-icons,
.header-icons,
.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 220px;
    justify-content: flex-end;
}

.nav-logo-text {
    min-width: 0;
}

.nav-logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    letter-spacing: -0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 520px;
}

.nav-logo-text h1::after {
    display: none; /* 移除 "+" 符号 */
}

.nav-logo-since {
    display: block;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: #6b7a90;
    text-transform: uppercase;
    font-weight: 400;
    margin-top: 2px;
    opacity: 0.85;
}


.nav-menu > li {
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm) 0;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a i {
    font-size: 0.7rem;
    transition: var(--transition-fast);
}

.nav-item-dropdown:hover > a i,
.nav-item-dropdown:focus-within > a i {
    transform: rotate(180deg);
}

/* ===== Top 3 Selling (homepage hero-linked) ===== */
.top3-selling {
    padding: 28px 0;
    background: transparent;
}
.top3-selling .top3-header {
    text-align: center;
    margin-bottom: 18px;
}
.top3-selling .top3-title {
    font-size: var(--font-size-2xl);
    margin-bottom: 6px;
}
.top3-selling .top3-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
}
.top3-selling-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 12px;
}
.top3-selling-card {
    background: var(--bg-white);
    border: 1px solid var(--wk-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.top3-selling-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
    text-decoration: none;
}
.top3-selling-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.top3-selling-body {
    padding: 12px 14px;
}
.top3-selling-title {
    font-size: 1.05rem;
    margin-bottom: 6px;
}
.top3-selling-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 8px;
}
.top3-selling-sizes {
    font-size: 0.9rem;
    color: var(--wk-gray-700);
    font-weight: 600;
}

@media (max-width: 900px) {
    .top3-selling-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .top3-selling-grid {
        grid-template-columns: 1fr;
    }
    .top3-selling-image img {
        height: 200px;
    }
}

/* ===== Featured Top Seller (matches hero card style) ===== */
.top-seller {
    padding: 28px 0 18px;
}
.top-seller-card {
    display: flex;
    gap: 20px;
    background: var(--bg-white);
    border-radius: 14px;
    padding: 22px;
    flex-wrap: wrap;
    align-items: stretch;
    box-shadow: 0 8px 20px rgba(15,23,42,0.06);
    border: 1px solid rgba(15,23,42,0.04);
}

.top-seller-card {
    position: relative;
    z-index: 30; /* ensure it sits above nearby hero controls */
}
.top-seller, .top-seller * {
    color: var(--text-dark) !important;
}
.top-seller-body {
    flex: 1 1 60%;
}
.top-seller-media {
    flex: 0 0 36%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.top-seller-media img {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    border-radius: 10px;
}
.top-seller-badge {
    display: inline-block;
    background: rgba(200,30,30,0.08);
    color: var(--wk-red-700);
    padding: 6px 10px;
    border-radius: 18px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.top-seller-title {
    font-size: 2.05rem;
    margin: 6px 0 10px;
    color: var(--wk-black);
}
.top-seller-lead {
    color: var(--text-dark);
    margin-bottom: 16px;
}
.top-seller-specs {
    background: rgba(248,249,250,0.9);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 14px;
}
.top-seller-specs .spec-row {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    align-items: center;
    border-bottom: 1px dashed rgba(15,23,42,0.04);
}
.top-seller-specs .spec-row:last-child{border-bottom: none}
.spec-label {
    width: 88px;
    font-weight: 700;
    color: var(--wk-gray-700);
}
.spec-value {
    color: var(--text-dark);
}
.top-seller-cta .btn-view {
    display: inline-block;
    background: var(--wk-red-700);
    color: #fff;
    padding: 12px 22px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
}
.top-seller-cta .btn-view:hover { background: var(--wk-red-600) }

@media (max-width: 900px) {
    .top-seller-card { flex-direction: column; }
    .top-seller-media { order: -1; width: 100%; }
    .top-seller-media img { max-height: 240px; }
}

.nav-item-dropdown > a {
    padding: 10px 0;                 /* ✅ hover 更容易触发 */
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-md);
    list-style: none;
    padding: var(--spacing-sm) 0;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    padding: var(--spacing-sm) var(--spacing-lg);
    display: block;
    color: var(--text-dark);
    font-weight: 400;
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Dropdown submenu (2nd level) */
.dropdown-item-with-submenu {
    position: relative;
}

.dropdown-item-with-submenu > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.dropdown-submenu {
    position: absolute;
    top: 0;
    left: 100%;
    background: var(--bg-white);
    min-width: 240px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    margin-left: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
    z-index: 1100;
}

.dropdown-item-with-submenu:hover .dropdown-submenu,
.dropdown-item-with-submenu:focus-within .dropdown-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown-item-with-submenu.is-open .dropdown-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown-submenu a {
    padding: var(--spacing-sm) var(--spacing-lg);
    display: block;
    color: var(--text-dark);
    font-weight: 400;
    white-space: nowrap;
}

.dropdown-submenu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* 导航操作按钮 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-icon-btn {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    position: relative;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-icon-btn:hover {
    color: var(--primary-color);
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent-color);
    color: var(--text-white);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1.2;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition-fast);
}

/* 主要内容区域 */
main {
    margin-top: 0;
    padding-top: 112px; /* 顶部栏32px + 导航栏80px */
}

/* 首页横幅 - 视频背景 */
.hero {
    min-height: calc(100vh - 112px);
    display: flex;
    align-items: center;
    color: var(--text-white);
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.hero-video {
    min-height: calc(100vh - 112px);
    position: relative;
}

.hero-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-video-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(30, 60, 114, 0.75) 0%,
        rgba(42, 82, 152, 0.65) 50%,
        rgba(30, 60, 114, 0.75) 100%
    );
    z-index: 2;
}

/* 备用背景（当视频无法加载时） */
.hero-video-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #1e3c72 100%);
    z-index: 0;
}

.hero-video-wrapper video {
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: calc(100vh - 112px);
}

.hero-video .hero-content {
    text-align: left;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
    max-width: 800px;
    z-index: 4;
}

.hero-video .hero-text {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.1;
    color: var(--text-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-video .hero h1 {
    font-size: 4.5rem;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .hero-video .hero h1 {
        font-size: 2.5rem;
    }
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-video .hero p {
    font-size: 1.4rem;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 50px;
}

.hero-video .hero-stats {
    display: none; /* 视频版本不显示统计，保持简洁 */
}

/* 滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    animation: bounce 2s infinite;
    color: var(--text-white);
    font-size: 1.5rem;
    opacity: 0.8;
    cursor: pointer;
    transition: var(--transition-base);
}

.scroll-indicator:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.stat-item {
    position: relative;
    text-align: center;
    background: #ffffff;
    padding: 25px 24px;
    border-radius: 16px;
    min-width: 140px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
    overflow: hidden;
}

/* 外发光描边，使用与首页相同的深蓝渐变 */
.stat-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px; /* 渐变描边厚度 */
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude; /* 仅显示边框 */
}

.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    color: #64b5f6;
    line-height: 1;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    display: block !important;
    font-size: 1rem;
    opacity: 1 !important;
    margin-top: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #1e3c72 !important;
    font-weight: 700;
    text-shadow: none;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    animation: slideInRight 1s ease-out;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    position: relative;
}

.image-placeholder {
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.image-placeholder i {
    font-size: 4rem;
    opacity: 0.7;
}

.hero-logo-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-background {
    background: linear-gradient(135deg, 
        rgba(30, 60, 114, 0.9) 0%, 
        rgba(42, 82, 152, 0.7) 50%, 
        rgba(30, 60, 114, 0.9) 100%);
    padding: 50px;
    border-radius: 30px;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 0 30px rgba(100, 181, 246, 0.2);
    position: relative;
    z-index: 2;
}

.logo-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 30px;
    pointer-events: none;
}

.hero-logo {
    max-width: 100%;
    height: auto;
    filter: 
        drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3))
        drop-shadow(0 0 20px rgba(255, 255, 255, 0.1))
        brightness(1.1)
        contrast(1.1);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite;
}

.shape-1 {
    width: 60px;
    height: 60px;
    top: 20%;
    left: -10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 40px;
    height: 40px;
    top: 60%;
    right: -5%;
    animation-delay: 1s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 10%;
    left: 10%;
    animation-delay: 2s;
}

.hero-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(1.1);
}

/* About Logo 区域 - 右侧垂直居中（方案 A） */
.about-logo {
    display: flex;
    justify-content: center; /* 水平居中 */
    align-items: center;     /* 垂直居中 */
    min-height: 100%;
}

.about-logo-container {
    width: 360px;
    height: 360px;
    padding: 18px;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.about-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 动画效果 */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes slideInLeft {
    0% { transform: translateX(-100px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
    0% { transform: translateX(100px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    text-align: center;
}

.btn-primary {
    background: var(--wk-red-700);
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 26px;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0.2px;
    border-radius: 999px;
}

.btn-primary:hover {
    background: var(--wk-red-600);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--accent-color);
    color: var(--text-white);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-accent:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 章节样式 */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 公司介绍 */
.about {
    background: var(--bg-light);
}

/* Safety: ensure About section stays visible */
.home .about{
    display: block;
    position: relative;
    visibility: visible;
    height: auto;
    overflow: visible;
    z-index: auto;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

/* About Grid - 专业官网级布局（方案 A） */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center; /* 垂直居中核心 */
}

/* =========================================
   Smaller brand name font (EN only)
   ========================================= */

/* 仅英文模式：缩小公司名字体 */
html[lang="en"] .nav-logo-text h1,
html[lang="en"] .brand-name,
html[lang="en"] .brand-name-en{
  font-size: clamp(13px, 1vw, 18px) !important;
  letter-spacing: 0.2px;
}

/* 英文模式下副标题 `SINCE 2010` 再淡一点 */
html[lang="en"] .nav-logo-text span,
html[lang="en"] .since{
  font-size: 11px;
  opacity: 0.6;
}

.about-text h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.about-intro {
    font-size: var(--font-size-base);
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-intro strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-products,
.about-philosophy {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.about-products h4,
.about-philosophy h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.about-products-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-md);
}

.about-products-list h5,
.about-printing-list h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.about-products-list ul,
.about-printing-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-products-list ul li,
.about-printing-list ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--text-dark);
    line-height: 1.7;
}

.about-products-list ul li::before,
.about-printing-list ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2em;
}

.philosophy-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.philosophy-list li {
    padding: var(--spacing-sm) 0;
    color: var(--text-dark);
    line-height: 1.8;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.philosophy-list li:last-child {
    border-bottom: none;
}

.philosophy-list li strong {
    color: var(--primary-color);
    font-weight: 600;
    margin-right: var(--spacing-xs);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-item h4 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* 产品分类展示 */
.product-categories-showcase {
    background: var(--bg-white);
    padding: var(--spacing-2xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.category-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.category-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.category-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.category-image i {
    font-size: 4rem;
    color: var(--text-white);
    z-index: 1;
    position: relative;
}

.category-card h3 {
    padding: var(--spacing-lg);
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
}

.category-card p {
    padding: 0 var(--spacing-lg) var(--spacing-sm);
    margin: 0;
    color: var(--text-light);
    font-size: var(--font-size-sm);
    text-align: center;
    line-height: 1.6;
}

.category-desc-en {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    margin-top: var(--spacing-xs);
    color: var(--text-light);
    font-size: 12px;
    text-align: center;
    line-height: 1.5;
    opacity: 0.75;
    font-style: italic;
}

.products-cta {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    text-align: center;
    border-radius: var(--radius-xl);
}

.products-cta p {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-base);
    color: var(--text-dark);
    line-height: 1.6;
}

.products-cta-en {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    opacity: 0.75;
    margin-bottom: var(--spacing-lg) !important;
}

.products-cta .btn {
    margin-top: var(--spacing-md);
}

/* 产品中心 */
.products {
    background: var(--bg-light);
    padding: var(--spacing-2xl) 0;
}

.product-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 500;
}

.category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

/* ===== Products: Breadcrumb + Search + Layout (left filters, right list) ===== */
.products-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumbs a {
    color: var(--text-light);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

.breadcrumbs .sep {
    opacity: .6;
}

.breadcrumbs .current {
    color: var(--text-dark);
    font-weight: 600;
}

.products-search {
    min-width: 280px;
    flex: 1;
    max-width: 520px;
}

.search-wrap {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 10px 12px;
    gap: 10px;
}

.search-wrap i {
    color: var(--text-light);
}

.search-wrap input {
    border: none;
    outline: none;
    width: 100%;
    background: transparent;
    font-size: 14px;
}

.search-clear {
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 18px;
    line-height: 18px;
    padding: 0 6px;
    color: var(--text-light);
    display: none;
}

.search-clear.show {
    display: block;
}

.results-count {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-light);
}

/* layout */
.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 22px;
    align-items: start;
}

.filters,
.product-filters {
    position: sticky;
    top: 110px; /* 你页面 padding-top:110px */
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
}

/* 确保 product-filters 样式优先级 */
.product-filters h3 {
    margin: 0 0 1rem 0;
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 600;
}

.filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.filters h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-dark);
}

.filter-group {
    padding-top: 12px;
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
}

.filter-group h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--text-dark);
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 6px;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
}

.filter-item:hover {
    background: var(--secondary-color);
}

.filter-item input {
    transform: scale(1.05);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-chip {
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tag-chip.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* responsive */
@media (max-width: 992px) {
    .products-layout {
        grid-template-columns: 1fr;
    }

    .filters {
        position: relative;
        top: auto;
    }
}

.product-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.product-image {
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image i {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.7;
}

.product-info {
    padding: var(--spacing-lg);
}

.product-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.product-info p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.spec-tag {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

/* 产品特色展示 */
.features {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: var(--spacing-2xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-item {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(44, 90, 160, 0.3);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.feature-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* 产品常规尺寸参考 */
.popular-sizes {
    background: var(--bg-white);
    padding: var(--spacing-2xl) 0;
}

.size-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.size-category {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-base);
}

.size-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.size-category-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(44, 90, 160, 0.1);
}

.size-category-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.4;
}

.size-category-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.size-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.size-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 var(--spacing-xs) 0;
}

.size-list-detailed {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.size-list-detailed li {
    font-size: var(--font-size-base);
    color: var(--text-dark);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.6;
}

.size-list-detailed li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2em;
}

.size-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.size-features-list li {
    font-size: var(--font-size-sm);
    color: var(--text-dark);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.6;
}

.size-features-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.size-section p {
    font-size: var(--font-size-sm);
    color: var(--text-dark);
    margin: 0;
    line-height: 1.6;
}

.size-note {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
    margin: var(--spacing-xs) 0 0 0;
    font-style: italic;
}

.size-cta {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid rgba(44, 90, 160, 0.1);
    text-align: center;
}

.size-cta p {
    font-size: var(--font-size-base);
    color: var(--text-dark);
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.6;
}

.size-cta p:last-of-type {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.size-cta .btn {
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .size-categories {
        grid-template-columns: 1fr;
    }
    
    .size-category {
        padding: var(--spacing-lg);
    }
}

/* 客户评价 */
.testimonials {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: var(--spacing-2xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.testimonial-item {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border-left: 4px solid var(--primary-color);
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    color: #ffc107;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.testimonial-rating i {
    margin-right: 2px;
}

.testimonial-text {
    color: var(--text-dark);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-author strong {
    color: var(--primary-color);
    font-size: var(--font-size-base);
}

.testimonial-author span {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* 服务范围 */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.service-item {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.service-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.service-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.service-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 联系我们 */
.contact {
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-form {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    font-family: var(--font-primary);
    background: #fff;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.form-group input:invalid,
.form-group textarea:invalid {
    border-color: #e74c3c;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

#submitBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

#loadingIcon {
    margin-left: 8px;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-white);
    margin: 15% auto;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    position: relative;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    cursor: pointer;
}

.close:hover {
    color: var(--text-dark);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .floating-shape {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .sizes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* 移动端视频优化 */
    .hero-video .hero-text {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }
    
    .hero-video .hero h1 {
        font-size: 2rem;
        margin-bottom: 20px;
    }
    
    .hero-video .hero p {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .hero-video-bg {
        /* 移动端可以降低视频质量或使用静态图片 */
        object-position: center;
    }
    
    /* 移动端可以隐藏视频，使用静态背景 */
    @media (max-width: 480px) and (prefers-reduced-motion: no-preference) {
        .hero-video-bg {
            display: block;
        }
    }
    
    /* 如果用户偏好减少动画，隐藏视频 */
    @media (prefers-reduced-motion: reduce) {
        .hero-video-bg {
            display: none;
        }
        
        .hero-video-wrapper::before {
            display: block;
        }
    }
}

@media (max-width: 768px) {
    .top-bar {
        font-size: 0.75rem;
        padding: 6px 0;
    }
    
    .navbar {
        top: 28px;
        height: 70px;
        overflow: visible;            /* ✅ 移动端也保持下拉可见 */
    }
    
    .nav-logo-img {
        /* 移动端样式已在文件底部统一管理 */
    }
    
    main {
        margin-top: 0;
        padding-top: 98px;
    }
    
    .hero {
        min-height: calc(100vh - 98px);
    }
    
    .hero-video {
        min-height: calc(100vh - 98px);
    }
    
    .hero-content {
        min-height: calc(100vh - 98px);
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }

    /* Mobile hamburger menu: JS toggles .nav-menu.active */
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        left: 0;
        right: 0;
        top: 98px; /* top-bar + navbar (mobile) */
        bottom: 0;
        padding: 16px 18px;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        overflow: auto;
        z-index: 999; /* under navbar (1000), above page */

        /* override later desktop-centering rules */
        transform: none !important;
        justify-content: flex-start;
        gap: 10px;
    }

    .nav-menu.active > li { width: 100%; }
    .nav-menu.active a {
        padding: 12px 6px;
        font-size: 16px;
    }

    /* Mobile: show dropdown items inline (no hover on touch) */
    .nav-menu.active .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 6px 0 0;
        background: transparent;
        min-width: 0;
    }
    .nav-menu.active .dropdown-menu a { padding: 10px 16px; }
    .nav-menu.active .dropdown-submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin-left: 0;
        background: transparent;
        min-width: 0;
        padding: 0;
    }
    .nav-menu.active .dropdown-submenu a { padding: 10px 26px; }
    
    .nav-actions {
        gap: var(--spacing-sm);
    }
    
    .nav-icon-btn {
        font-size: 1rem;
        padding: 8px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .category-image {
        height: 150px;
    }
    
    .category-image i {
        font-size: 3rem;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero-image {
        margin-top: var(--spacing-xl);
    }
    
    .image-placeholder {
        width: 300px;
        height: 300px;
    }
    
    .hero-logo-container {
        width: 300px;
        height: 300px;
    }
    
    .nav-logo-img {
        width: 40px;
        height: 40px;
    }
    
    .about-content,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-logo {
        order: -1; /* Logo 在文字上方 */
    }
    
    .about-products-content {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .language-switcher {
        top: var(--spacing-xs);
        right: var(--spacing-xs);
    }
    
    .lang-btn {
        padding: var(--spacing-xs);
        font-size: var(--font-size-sm);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}


/* 让页面至少撑满屏幕，footer 永远在底部 */
html, body { height: 100%; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }

/* 防止 products 区域被写死高度/滚动容器吞掉 footer */
.products { overflow: visible; }
.products-grid { min-height: 200px; }

/* ===== Option 2 Step 2: 欧美 B2B 标准产品页结构 ===== */

/* 隐藏原来的分类按钮（备用，移动端可能用到） */
.product-categories {
    display: none;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: var(--text-light);
    text-decoration: none;
}

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

.breadcrumb span {
    opacity: 0.6;
}

/* 产品筛选栏（左侧） */
.product-filters {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    position: sticky;
    top: 110px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
}

.product-filters h3 {
    margin: 0 0 1rem 0;
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 600;
}

.product-filters .filter-group {
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.product-filters .filter-group:first-of-type {
    border-top: none;
    padding-top: 0;
}

.product-filters .filter-group h4 {
    margin: 0 0 0.75rem 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-filters .filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
    user-select: none;
}

.product-filters .filter-item:hover {
    color: var(--primary-color);
}

.product-filters .filter-item input[type="radio"],
.product-filters .filter-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    margin: 0;
}

/* 自动生成的筛选选项样式 */
.filter-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
    cursor: pointer;
    padding: 6px 0;
    user-select: none;
}

.filter-option:hover {
    color: var(--primary-color);
}

.filter-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    margin: 0;
    accent-color: var(--primary-color);
}

.filter-option span {
    flex: 1;
}

/* 工具栏（右侧顶部） */
.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.products-toolbar input[type="text"] {
    flex: 1;
    min-width: 200px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: var(--transition-fast);
}

.products-toolbar input[type="text"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.products-toolbar select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-white);
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
}

.products-toolbar select:focus {
    border-color: var(--primary-color);
}

/* 响应式 */
@media (max-width: 992px) {
    .products-layout {
        grid-template-columns: 1fr;
    }

    .product-filters {
        position: relative;
        top: auto;
        max-height: none;
    }

    .products-toolbar {
        flex-direction: column;
    }

    .products-toolbar input,
    .products-toolbar select {
        width: 100%;
    }
}

/* ===== Products List View (Signazon-style) ===== */

.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    gap: 12px;
    flex-wrap: wrap;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar-label {
    font-size: 14px;
    color: var(--text-light);
}

#productsSort {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
}

.toolbar-count {
    font-size: 13px;
    color: var(--text-light);
}

/* list container */
.products-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* single product row */
.product-row {
    display: grid;
    grid-template-columns: 220px 1fr 220px;
    gap: 18px;
    padding: 16px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.product-row:hover {
    box-shadow: 0 6px 18px rgba(0, 0, 0, .06);
}

/* image */
.product-row-image img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 10px;
    object-fit: cover;
}

/* info */
.product-row-info h3 {
    margin: 0 0 6px 0;
    font-size: 18px;
}

.product-row-info h3 a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.product-row-info h3 a:hover {
    color: var(--primary-color);
}

.product-row-info p {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--text-light);
}

.product-row-info .product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    font-size: 13px;
}

.product-row-info .product-specs span {
    color: var(--text-dark);
}

/* actions */
.product-row-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
}

.product-row-actions .btn {
    width: 100%;
}

/* pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 22px;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 36px;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* responsive */
@media (max-width: 992px) {
    .product-row {
        grid-template-columns: 1fr;
    }

    .product-row-actions {
        flex-direction: row;
    }
}

/* ===== Product Detail Page ===== */

.product-detail {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

.pdp-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 20px;
}

.pdp-image {
    position: relative;
    background: var(--bg-light);
    border-radius: 16px;
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdp-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

.pdp-info h1 {
    margin: 0 0 10px;
    font-size: 28px;
    color: var(--text-dark);
}

.pdp-desc {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.6;
}

.pdp-specs {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.pdp-specs li {
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-dark);
}

.pdp-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* tabs */
.pdp-tabs {
    margin-top: 40px;
}

.tabs-header {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.tab {
    background: none;
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    font-size: 15px;
    color: var(--text-light);
    transition: var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    border-bottom: 3px solid var(--primary-color);
    font-weight: 600;
    color: var(--primary-color);
}

.tab-panel {
    display: none;
    padding: 20px 0;
    color: var(--text-dark);
    line-height: 1.8;
}

.tab-panel.active {
    display: block;
}

.tab-panel ul {
    list-style: disc;
    padding-left: 20px;
}

.tab-panel li {
    margin-bottom: 8px;
}

/* related */
.related-products {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.related-products h2 {
    margin-bottom: 24px;
    font-size: 24px;
    color: var(--text-dark);
}

/* responsive PDP */
@media (max-width: 992px) {
    .pdp-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .pdp-image {
        min-height: 300px;
    }

    .pdp-actions {
        flex-direction: column;
    }

    .pdp-actions .btn {
        width: 100%;
    }
}

/* ===== RFQ Modal ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    z-index: 9999;
    padding: 24px;
    overflow: auto;
}

.modal.show {
    display: block;
}

.modal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 18px 50px rgba(0, 0, 0, .18);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    color: var(--text-dark);
}

.close-btn {
    border: none;
    background: transparent;
    font-size: 26px;
    cursor: pointer;
    color: var(--text-light);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.close-btn:hover {
    color: var(--text-dark);
}

.rfq-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.rfq-section h4 {
    margin: 0 0 10px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
}

#rfqItems {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rfq-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-light);
}

.rfq-item-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.rfq-item-name {
    font-weight: 600;
    color: var(--text-dark);
}

.rfq-item-meta {
    font-size: 12px;
    color: var(--text-light);
}

.rfq-item-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.rfq-qty {
    width: 76px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    text-align: center;
}

.rfq-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 8px;
    font-style: italic;
}

.rfq-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.rfq-form input,
.rfq-form textarea,
#rfqText {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: var(--transition-fast);
}

.rfq-form input:focus,
.rfq-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.rfq-form textarea {
    grid-column: 1 / -1;
    resize: vertical;
}

#rfqText {
    resize: vertical;
    background: var(--bg-light);
    font-family: 'Courier New', monospace;
    font-size: 13px;
}

.rfq-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.rfq-actions .btn {
    flex: 1;
    min-width: 120px;
}

@media (max-width: 768px) {
    .rfq-form {
        grid-template-columns: 1fr;
    }

    .rfq-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .rfq-item-right {
        width: 100%;
    }

    .rfq-actions {
        flex-direction: column;
    }

    .rfq-actions .btn {
        width: 100%;
    }
}

/* ===== WeChat panel ===== */
.wechat-panel {
    display: none;
    margin-top: 14px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 14px;
    background: var(--bg-white);
}

.wechat-panel.show {
    display: block;
}

.wechat-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.wechat-panel-head strong {
    font-size: 16px;
    color: var(--text-dark);
}

.wechat-tip {
    margin: 0 0 12px 0;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

.wechat-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 14px;
    align-items: start;
}

.wechat-qr img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

.wechat-id {
    font-size: 14px;
    color: var(--text-dark);
}

.wechat-id span {
    font-weight: 600;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .wechat-row {
        grid-template-columns: 1fr;
    }

    .wechat-qr img {
        width: 100%;
        height: auto;
    }
}

/* ===== Language Gate (First Entry) ===== */
.language-gate {
    position: fixed;
    inset: 0;
    background: #ffffff;
    z-index: 10000;
    display: none; /* 默认隐藏，由 JS 控制显示 */
    align-items: center;
    justify-content: center;
}

.language-gate-box {
    text-align: center;
    max-width: 360px;
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .12);
    background: var(--bg-white);
}

.language-gate-box h2 {
    margin: 0 0 10px;
    font-size: 26px;
    color: var(--text-dark);
    font-weight: 600;
}

.language-gate-box p {
    margin: 0 0 24px;
    color: var(--text-light);
    font-size: 15px;
}

.language-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.language-options button {
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: #fff;
    cursor: pointer;
    font-size: 16px;
    transition: all .2s ease;
    color: var(--text-dark);
}

.language-options button:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.2);
}

/* Language Gate default highlight */
.language-options button[data-lang].is-default,
.language-options button[data-lang="en"]:first-of-type {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

@media (max-width: 768px) {
    .language-gate-box {
        max-width: 90%;
        padding: 30px 20px;
    }

    .language-gate-box h2 {
        font-size: 22px;
    }
}

/* ===== Signazon-like Hero Carousel ===== */
.hero-sz {
    padding: 0;
    background: transparent;
}

.hero-sz-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 42px 20px 26px;
}

.hero-sz-track {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    background: #ffffff;
    border: 1px solid var(--border-color);
}

.hero-sz-slide {
    display: none;
    grid-template-columns: 1.05fr 1fr;
    gap: 28px;
    align-items: center;
    padding: 34px 34px;
    min-height: 520px;
}

.hero-sz-slide.is-active {
    display: grid;
}

.hero-sz-left {
    max-width: 520px;
}

.hero-sz-left .top-seller-badge {
    display: inline-block;
    background: rgba(200,30,30,0.08);
    color: var(--wk-red-700);
    padding: 6px 10px;
    border-radius: 18px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.hero-sz-sub {
    color: var(--text-light);
    margin-bottom: 14px;
}
.hero-specs {
    background: rgba(248,249,250,0.9);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 14px;
}
.hero-specs .spec-row { display: flex; gap: 12px; padding: 6px 0; align-items: center; }
.hero-specs .spec-label { width: 76px; font-weight: 700; color: var(--wk-gray-700); }
.hero-specs .spec-value { color: var(--text-dark); }
.btn-view.btn-primary { background: var(--wk-red-700); color: #fff; padding: 10px 18px; border-radius: 26px; text-decoration: none; font-weight:700 }
.btn-view.btn-primary:hover { background: var(--wk-red-600) }

.hero-sz-kicker {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .06);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.hero-sz-title {
    margin: 10px 0 8px;
    font-size: 40px;
    line-height: 1.02;
    letter-spacing: -0.015em;
    color: #0b0b0b; /* stronger black for hero title */
}

/* Ensure hero title appears black and fits one line on large screens */
h1.hero-sz-title {
    font-size: 36px !important;
    color: #0b0b0b !important;
    line-height: 1.0 !important;
    margin: 8px 0 10px !important;
}

.hero-sz-bullets {
    margin: 14px 0 22px;
    padding-left: 18px;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
    list-style: none;
}

.hero-sz-bullets li {
    margin: 6px 0;
}

.hero-sz-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* Hero USP bar (clean B2B style) */
.hero-usps {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.hero-usp {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(10px);
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
}

@media (max-width: 768px) {
    .hero-usps {
        justify-content: center;
    }
}

.hero-sz-image-wrap {
    border-radius: 18px;
    overflow: hidden;
    min-height: 420px;
    background: radial-gradient(1000px 520px at 20% 30%, rgba(0, 122, 255, .12), transparent 60%),
                radial-gradient(900px 520px at 70% 60%, rgba(0, 0, 0, .06), transparent 55%),
                #f4f6fb;
}

.hero-sz-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.02);
}

/* Per-slide override: show full image without cropping */
.hero-sz-image-wrap.is-contain img {
    object-fit: contain;
    transform: none;
}

/* Controls */
.hero-sz-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 12px 0 0;
}

.hero-sz-nav {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.hero-sz-nav:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ===== Hero progress bars (Signazon style) ===== */
.hero-sz-dots {
    display: flex;
    gap: 12px;
}

.hero-sz-dot {
    width: 42px;
    height: 3px;
    background: rgba(0, 0, 0, .18);
    border-radius: 2px;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: background 0.2s ease;
}

.hero-sz-dot:hover {
    background: rgba(0, 0, 0, .25);
}

/* active bar */
.hero-sz-dot.is-active {
    background: rgba(0, 0, 0, .25);
}

/* animated fill */
.hero-sz-dot.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background: var(--primary-color);
    animation: heroProgress 6.5s linear forwards;
}

@keyframes heroProgress {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-sz-slide {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 26px 20px;
    }

    .hero-sz-title {
        font-size: 40px;
    }

    .hero-sz-left {
        max-width: 100%;
    }

    .hero-sz-image-wrap {
        min-height: 260px;
    }
}

/* ===== Signazon-like: soft gradient background + borderless ===== */

/* 1) 全站背景渐变 */
:root {
    --page-bg-1: #f5fbff;   /* very light blue */
    --page-bg-2: #f6f7ff;   /* very light violet */
    --page-bg-3: #f8fcff;   /* very light cyan */
    --panel-bg: rgba(255, 255, 255, .78);
    --panel-shadow: 0 14px 50px rgba(0, 0, 0, .08);
}

/* body 背景：大面积柔和渐变 */
html, body {
    background:
        radial-gradient(1200px 700px at 70% 20%, rgba(90, 170, 255, .18), transparent 60%),
        radial-gradient(900px 600px at 10% 80%, rgba(170, 140, 255, .14), transparent 55%),
        linear-gradient(180deg, var(--page-bg-1) 0%, var(--page-bg-2) 45%, var(--page-bg-3) 100%);
    min-height: 100vh;
}

/* 让页面下半部更亮（Signazon 风格） */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, .55) 70%, rgba(255, 255, 255, .75) 100%);
    z-index: -1;
}

/* 2) 去掉"硬边框感"：统一弱化边框颜色 */
* {
    border-color: rgba(0, 0, 0, .08) !important;
}

/* 3) 让页面主要内容区域看起来"漂浮在背景上" */
.main-content, main {
    background: transparent !important;
}

/* 4) 通用"无边框面板"类（你可以用于 section/模块） */
.soft-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none !important;
    box-shadow: var(--panel-shadow);
    border-radius: 22px;
}

/* 5) 去掉你现有很多卡片的边框（保留柔和阴影） */
.card,
.product-card,
.category-card,
.feature-card,
.hero-sz-track,
.modal-content,
.product-row,
.rfq-item {
    border: none !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .08) !important;
    border-radius: 22px !important;
}

/* Hero track 特殊处理 */
.hero-sz-track {
    background: rgba(255, 255, 255, .95) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* 6) 按钮更"Signazon"：更轻、更圆 */
.btn {
    border-radius: 999px !important;
    border: none !important;
}

.btn-secondary,
.btn-outline {
    background: rgba(255, 255, 255, .7) !important;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .08);
}

/* 7) 导航栏也做成无边框 + 背景半透明 */
header, .navbar, .nav-container {
    background: rgba(255, 255, 255, .72) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
}

/* 8) section 之间用空白分隔，不要线 */
section {
    border: none !important;
}

/* 9) Products 页面布局优化 */
.products-layout {
    background: transparent !important;
}

.product-filters,
.products-content {
    background: var(--panel-bg) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none !important;
    box-shadow: var(--panel-shadow) !important;
    border-radius: 22px !important;
}

/* 10) 筛选器内部元素 */
.filter-group,
.filter-options {
    border: none !important;
}

/* 11) 产品列表项 */
.product-row {
    background: rgba(255, 255, 255, .85) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* 12) RFQ Modal 优化 */
.rfq-content {
    background: rgba(255, 255, 255, .95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* 13) 语言切换器优化 */
.language-switcher {
    background: rgba(255, 255, 255, .8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
}

/* 14) Footer 优化 */
footer {
    background: transparent !important;
    border: none !important;
}

.footer-content {
    background: rgba(255, 255, 255, .6) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 22px 22px 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, .06);
}

/* ===== Language icon dropdown next to cart ===== */
/* ===== Better language dropdown usability ===== */
.lang-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

/* 让按钮像购物车图标一样，且可点击范围更大 */
.nav-icon-btn.lang-btn {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, .10);
    background: rgba(255, 255, 255, .80);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-icon-btn.lang-btn:active {
    transform: scale(.98);
}

.nav-icon-btn.lang-btn:hover {
    background: rgba(255, 255, 255, .9);
    border-color: rgba(0, 0, 0, .15);
}

.nav-icon-btn.lang-btn i {
    font-size: 16px;
    color: rgba(0, 0, 0, .75);
}

/* 下拉菜单：更大、间距更舒服、更像电商 */
.lang-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    min-width: 220px;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 18px;
    box-shadow: 0 22px 70px rgba(0, 0, 0, .16);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px;
    display: none;
    z-index: 99999;
}

/* 关键：打开状态才显示 */
.lang-dropdown.open .lang-menu {
    display: block;
}

/* 选项变大，变成"整块可点"，不再难点 */
.lang-item {
    width: 100%;
    text-align: left;
    padding: 14px 14px;
    border-radius: 14px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: rgba(0, 0, 0, .78);
    transition: all 0.2s ease;
}

.lang-item:hover {
    background: rgba(0, 0, 0, .06);
}

/* 当前语言高亮（像你截图那样） */
.lang-item.active,
.lang-item.is-active {
    background: rgba(0, 0, 0, .08);
    color: rgba(0, 0, 0, .88);
    font-weight: 600;
}

/* hide old language buttons row */
.old-lang-switcher {
    display: none !important;
}

/* Language Gate default highlight */
.language-gate-box button[data-lang].is-default {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ===== Contact Page (Signazon-like) ===== */
.contact-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 34px 20px 60px;
}

.contact-hero {
    text-align: center;
    margin: 18px 0 26px;
}

.contact-hero h1 {
    font-size: 40px;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--text-dark);
}

.contact-hero p {
    margin: 10px 0 0;
    color: var(--text-light);
    font-size: 16px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    align-items: start;
}

.contact-card {
    padding: 22px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(7,18,33,0.06);
}

.contact-card h3 {
    margin: 0 0 16px;
    font-size: 16px;
    letter-spacing: .2px;
    color: var(--text-dark);
    font-weight: 600;
}

/* Contact form helpers & trust bullets */
.contact-trust-bullets{
    list-style: none;
    padding: 0;
    margin: 10px 0 16px;
    display: grid;
    gap: 8px;
}
.contact-trust-bullets li{
    position: relative;
    padding-left: 22px;
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.55;
}
.contact-trust-bullets li::before{
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-weight: 800;
}

.form-helper{
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-light);
    opacity: 0.9;
}

/* Left info */
.contact-info .contact-item {
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 12px;
    padding: 12px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .55);
    margin-bottom: 12px;
}

.contact-info .contact-item i {
    color: var(--primary-color);
    margin-top: 3px;
    font-size: 14px;
}

.contact-info .contact-item .label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    opacity: .75;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.contact-info .contact-item .value {
    color: var(--text-dark);
    line-height: 1.55;
    font-size: 14px;
}

.contact-info .contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-info .contact-item a:hover {
    text-decoration: underline;
}

.contact-qr {
    margin-top: 10px;
    padding-top: 10px;
}

/* Right form */
.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Make labels and inputs align on one row for desktop */
.contact-form .quote-form label {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-form .quote-form label span {
    flex: 0 0 220px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-form .quote-form input,
.contact-form .quote-form select,
.contact-form .quote-form textarea {
    flex: 1 1 auto;
    width: auto;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(0,0,0,0.08);
    background: #fff;
}

.contact-form .quote-form textarea { min-height: 120px; }

.contact-form .quote-form > div[style] { /* the button container with inline style */
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.contact-form .btn { padding: 12px 26px; border-radius: 28px; }
.btn-primary { background: #b81c1c; border-color: #b81c1c; }
.btn-secondary { background: #fff; border: 1px solid rgba(0,0,0,0.06); color: #333; }

/* Responsive: stack labels and inputs on small screens */
@media (max-width: 992px) {
    .contact-form .quote-form label { flex-direction: column; align-items: stretch; }
    .contact-form .quote-form label span { flex-basis: auto; margin-bottom: 6px; }
}

/* Mobile: ensure inquiry form fields are visible + usable */
@media (max-width: 768px) {
    /* Prevent any accidental clipping */
    #contact,
    #contact .contact-card,
    #contact .contact-right,
    #contact .contact-form {
        overflow: visible;
    }

    .contact-page { padding-left: 16px; padding-right: 16px; }
    .contact-card { padding: 18px; }

    .contact-form form { gap: 12px; }

    .contact-form .quote-form input,
    .contact-form .quote-form select,
    .contact-form .quote-form textarea {
        width: 100%;
        min-height: 44px;
        font-size: 16px; /* avoid iOS zoom + improve readability */
        box-sizing: border-box;
    }

    /* Product field: guarantee visibility & tap-ability */
    .contact-form .quote-form #product {
        display: block;
        visibility: visible;
        opacity: 1;
        position: relative;
        z-index: 1;
    }

    /* Buttons: wrap cleanly, never push off-screen */
    .contact-form .quote-form > div[style] {
        flex-wrap: wrap;
        gap: 10px;
    }
    .contact-form .quote-form > div[style] .btn {
        flex: 1 1 160px;
        min-height: 44px;
    }
}

/* Mobile sticky CTA can overlap the very bottom of the page */
@media (max-width: 640px) {
    #contact { padding-bottom: 90px; }
}

.form-row {
    display: flex;
    flex-direction: column;
}

.form-row label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    opacity: .75;
    margin: 0 0 6px;
    color: var(--text-dark);
}

.form-row input,
.form-row textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, .10);
    background: rgba(255, 255, 255, .75);
    outline: none;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-row input:focus,
.form-row textarea:focus {
    border-color: rgba(0, 122, 255, .35);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, .12);
    background: rgba(255, 255, 255, .9);
}

.form-row textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    margin-top: 6px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(34, 197, 94, .12);
    border: 1px solid rgba(34, 197, 94, .22);
    color: rgba(22, 101, 52, 1);
    font-weight: 600;
    font-size: 14px;
}

.error-message {
    display: none;
    margin-top: 4px;
    font-size: 12px;
    color: #e74c3c;
}

/* Responsive */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-hero h1 {
        font-size: 32px;
    }
}

/* Tents feature grid */
.tents-feature { padding: 28px 0; }
.tents-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tent-feature-card { background:#fff; padding:18px; border-radius:14px; box-shadow:0 8px 24px rgba(7,18,33,0.06); }
.tent-feature-card img { width:100%; height:200px; object-fit:cover; border-radius:8px; display:block; }
.tent-feature-card h3 { margin:12px 0 6px; font-size:20px; }
.tent-feature-card .short { color:#555; margin-bottom:12px; }
.tent-feature-card .tent-spec { display:none; margin-top:12px; border-top:1px dashed #eee; padding-top:12px; clear:both; }
.tent-feature-card .tent-spec .spec-img { width:140px; float:left; margin-right:12px; border-radius:6px; }
.tent-feature-card .spec-text ul { margin:0; padding-left:18px; }
.tent-feature-card .view-specs { margin-top:8px; }

@media (max-width:992px){ .tents-feature-grid { grid-template-columns: 1fr; } .tent-feature-card img{height:180px;} }

/* CTA bar fixed bottom */
#tents-cta-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 12px;
    display: flex;
    justify-content: center;
    pointer-events: none;
    z-index: 1200;
}
#tents-cta-bar .cta-inner {
    pointer-events: auto;
    background: #fff;
    border-radius: 999px;
    box-shadow: 0 8px 30px rgba(7,18,33,0.08);
    padding: 10px 14px;
    display:flex; gap:12px; align-items:center;
}
#tents-cta-bar .cta-summary { font-weight:600; color:var(--text-dark); }
#tents-cta-bar .cta-link { text-decoration:none; }

/* ===== Fix overflow for language dropdown ===== */
header, .navbar, .nav-container {
    overflow: visible !important;
}

/* ===== Size Page Layout ===== */
.size-section { 
    padding: 56px 0; 
}

.section-header.center { 
    text-align: center; 
}

.section-title { 
    margin: 0; 
    font-size: 34px; 
    letter-spacing: -0.02em; 
}

.section-subtitle { 
    margin: 12px 0 0; 
    opacity: .78; 
    line-height: 1.55; 
}

.section-subtitle .en { 
    display: block; 
    margin-top: 6px; 
    font-size: 13px; 
    opacity: .75; 
}

.size-grid {
    margin-top: 26px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
}

.size-card { 
    padding: 18px; 
    border-radius: 22px; 
}

.size-card-head {
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    margin-bottom: 10px;
}

.size-card-title { 
    margin: 0; 
    font-size: 16px; 
    line-height: 1.3; 
}

.size-tag {
    font-size: 12px; 
    font-weight: 700;
    padding: 6px 10px; 
    border-radius: 999px;
    background: rgba(255, 120, 60, .14);
    color: rgba(255, 120, 60, 1);
}

.size-block { 
    margin-top: 12px; 
}

.size-block-title {
    font-size: 12px; 
    font-weight: 800; 
    letter-spacing: .06em;
    text-transform: uppercase; 
    opacity: .7; 
    margin-bottom: 8px;
}

.size-list { 
    margin: 0; 
    padding-left: 18px; 
    line-height: 1.7; 
}

.size-list .muted { 
    opacity: .7; 
    font-size: 12px; 
}

.size-text { 
    margin: 0; 
    line-height: 1.55; 
}

.size-text.en { 
    margin-top: 6px; 
    opacity: .78; 
    font-size: 13px; 
}

.size-actions {
    margin-top: 14px;
    display: flex; 
    gap: 10px; 
    flex-wrap: wrap;
}

.size-footnote {
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.size-footnote p { 
    margin: 0; 
    line-height: 1.55; 
}

.size-footnote .en { 
    display: block; 
    margin-top: 6px; 
    font-size: 13px; 
    opacity: .75; 
}

@media (max-width: 992px) {
    .size-grid { 
        grid-template-columns: 1fr; 
    }
    
    .size-footnote { 
        flex-direction: column; 
        align-items: flex-start; 
    }
}

/* ========================================
   B2B Inquiry Form Styles (High-Conversion)
   ======================================== */

.inquiry-form {
    background: #ffffff;
    padding: 32px;
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
    max-width: 720px;
}

.inquiry-form .form-title {
    margin: 0 0 8px 0;
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
}

.inquiry-form .form-subtitle {
    margin: 0 0 24px 0;
    opacity: 0.8;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

.inquiry-form-content .form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 14px;
}

.inquiry-form-content .form-row input,
.inquiry-form-content .form-row select {
    flex: 1;
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid #ddd;
    font-size: 14px;
    font-family: var(--font-primary);
    background: #fff;
    transition: all 0.2s ease;
}

.inquiry-form-content .form-row input:focus,
.inquiry-form-content .form-row select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.inquiry-form-content textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid #ddd;
    font-size: 14px;
    font-family: var(--font-primary);
    resize: vertical;
    margin-bottom: 14px;
    min-height: 120px;
    transition: all 0.2s ease;
}

.inquiry-form-content textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.inquiry-form-content .btn-full {
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 999px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.inquiry-form-content .btn-full:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
}

.inquiry-form-content .form-note {
    margin-top: 12px;
    font-size: 12px;
    opacity: 0.6;
    text-align: center;
    color: var(--text-light);
}

.contact-seo-footer {
    text-align: center;
    margin-top: 48px;
    padding: 32px;
    background: #f8f9fa;
    border-radius: 16px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.contact-seo-footer p {
    font-size: 1.1em;
    color: #333;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .inquiry-form {
        padding: 24px;
        border-radius: 16px;
    }
    
    .inquiry-form .form-title {
        font-size: 22px;
    }
    
    .inquiry-form-content .form-row {
        flex-direction: column;
        gap: 12px;
    }
    
    .contact-seo-footer {
        padding: 24px;
        margin-top: 32px;
    }
    
    .contact-seo-footer p {
        font-size: 1em;
    }
}

/* ========================================
   Logo "Since" Badge (Manufacturer Badge)
   ======================================== */

.logo-since {
    display: block;
    margin-top: 12px;
    font-size: 13px;
    letter-spacing: 0.12em;   /* 字距拉开，显高级 */
    color: #6b7a90;           /* 柔和蓝灰，和背景融合 */
    text-transform: uppercase;
    font-weight: 400;
    text-align: center;
    opacity: 0.85;
    font-family: var(--font-primary);
}

.about-logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .logo-since {
        font-size: 12px;
        margin-top: 10px;
        letter-spacing: 0.1em;
    }
}

/* ========================================
   Footer Company Name (策略 A：中英对应)
   ======================================== */

.footer-company {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 12px;
}

.footer-cn {
    display: block;
    font-size: 0.9em;
    font-weight: 400;
    color: var(--text-light);
    margin-top: 4px;
    opacity: 0.85;
}

@media (max-width: 768px) {
    .footer-company {
        font-size: 1em;
    }
    
    .footer-cn {
        font-size: 0.85em;
    }
}

/* ============ Home header boost ============ */
/* ⚠️ 已注释：避免与新的 logo 定位方案冲突 */
/*
body.home .nav-logo-img {
    height: 78px;                      
    transform: translateY(-30px);     
}

body.home .brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.2px;
    line-height: 1.15;
}

body.home .brand-sub {
    margin-top: 4px;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: #6b7a90;
    text-transform: uppercase;
}

/* 让品牌区占比更明显 */
body.home .nav-logo {
    gap: 12px;
}

/* 移动端 */
@media (max-width: 768px) {
    body.home .nav-logo-img {
        height: 62px;                 
        transform: translateY(-18px); 
    }
    
    body.home .brand-name {
        font-size: 16px;
    }
}
*/

/* ============ 双语对照显示（中英文同时显示） ============ */
.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name-en {
    margin-top: 3px;
    font-size: 13px;
    color: #6b7a90;
    line-height: 1.2;
}

/* 默认英文模式：隐藏中文行，只显示英文（更干净） */
html[lang="en"] .brand-name { 
    display: none; 
}

html[lang="en"] .brand-name-en { 
    display: block; 
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    letter-spacing: -0.5px;
}

html[lang="en"] .brand-sub {
    display: block;
    font-size: 0.8rem;
    color: #6b7a90;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
    opacity: 0.8;
}

/* 中文模式：显示中英对照 */
html[lang="zh"] .brand-name { 
    display: block; 
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 0;
    letter-spacing: -0.5px;
}

html[lang="zh"] .brand-name-en { 
    display: block; 
}

html[lang="zh"] .brand-sub {
    display: block;
    font-size: 0.8rem;
    color: #6b7a90;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
    opacity: 0.8;
}

/* 小屏优化 */
@media (max-width: 768px) {
    .brand-name-en { 
        font-size: 12px; 
    }
    
    html[lang="en"] .brand-name-en {
        font-size: 1.2rem;
    }
    
    html[lang="zh"] .brand-name {
        font-size: 1.2rem;
    }
}

/* ========================================
   Contact WhatsApp QR Code Styling
   ======================================== */

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.contact-link {
    color: #25D366;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.contact-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.qr-wrapper {
    margin-top: 10px;
}

.qr-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
    border: 2px solid #25D366;
}

.contact-note {
    margin-top: 10px;
    font-size: 13px;
    color: #6b7a90;
    line-height: 1.35;
}

.contact-value {
    color: #2d3642;
    line-height: 1.5;
}

/* WeChat QR Code border color */
.contact-item .fab.fa-weixin + .contact-text .qr-img {
    border-color: #07C160;
}

/* ===================== Contact Bottom (Signazon-style) ===================== */
.contact-bottom {
    position: relative;
    padding: 70px 0 28px;
    overflow: hidden;
}

.contact-bottom__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(900px 420px at 18% 35%, rgba(140, 190, 255, 0.28), rgba(255,255,255,0) 60%),
        radial-gradient(900px 420px at 78% 20%, rgba(255, 210, 150, 0.22), rgba(255,255,255,0) 60%),
        linear-gradient(180deg, rgba(245, 250, 255, 1) 0%, rgba(250, 252, 255, 1) 40%, rgba(255, 252, 246, 1) 100%);
    pointer-events: none;
}

.contact-bottom__inner {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 22px;
}

.contact-bottom__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
}

.contact-bottom__brandTitle {
    font-weight: 800;
    font-size: 14px;
    color: #2d3642;
    letter-spacing: .2px;
}

.contact-bottom__brandSub {
    margin-top: 6px;
    font-size: 12px;
    color: #6b7a90;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.contact-bottom__cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    padding-top: 10px;
}

.contact-bottom__h {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #2d3642;
    margin-bottom: 10px;
}

.contact-bottom__p {
    color: #6b7a90;
    font-size: 13px;
    line-height: 1.6;
}

.contact-bottom__link {
    display: inline-block;
    margin: 6px 0;
    color: #2d5aa6;
    text-decoration: none;
    font-size: 13px;
}

.contact-bottom__link:hover {
    text-decoration: underline;
}

/* 右侧询问框 */
.contact-bottom__ask {
    margin-top: 28px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    justify-items: end;
}

.contact-bottom__askTitle {
    width: min(560px, 100%);
    font-style: italic;
    font-weight: 600;
    color: #2d5aa6;
    font-size: 14px;
    padding-left: 6px;
}

.contact-bottom__askBox {
    width: min(560px, 100%);
    border-radius: 14px;
    background: rgba(255,255,255,0.72);
    box-shadow: 0 18px 60px rgba(18, 38, 63, 0.10);
    border: 1px solid rgba(45, 90, 166, 0.22);
    padding: 18px 18px 16px;
    backdrop-filter: blur(8px);
}

.contact-bottom__askText {
    font-size: 13px;
    color: #6b7a90;
    line-height: 1.6;
}

.contact-bottom__askActions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

.contact-bottom__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    background: #2d5aa6;
    color: #fff;
    box-shadow: 0 10px 30px rgba(45, 90, 166, 0.22);
    transition: all 0.2s ease;
}

.contact-bottom__btn:hover {
    background: #1e3f73;
    transform: translateY(-1px);
    box-shadow: 0 12px 35px rgba(45, 90, 166, 0.28);
}

.contact-bottom__btn--ghost {
    background: rgba(255,255,255,0.8);
    color: #2d5aa6;
    border: 1px solid rgba(45, 90, 166, 0.25);
    box-shadow: none;
}

.contact-bottom__btn--ghost:hover {
    background: rgba(255,255,255,0.95);
    border-color: rgba(45, 90, 166, 0.35);
}

/* legal */
.contact-bottom__legal {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 26px;
    padding-top: 16px;
    border-top: 1px solid rgba(18, 38, 63, 0.08);
}

.contact-bottom__copy {
    color: #6b7a90;
    font-size: 12px;
}

.contact-bottom__links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.contact-bottom__link2 {
    color: #6b7a90;
    font-size: 12px;
    text-decoration: none;
}

.contact-bottom__link2:hover {
    text-decoration: underline;
}

/* Desktop: 左信息 + 右询问框并排 */
@media (min-width: 980px) {
    .contact-bottom__inner {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 28px;
        align-items: start;
    }

    .contact-bottom__grid {
        grid-column: 1;
    }

    .contact-bottom__ask {
        grid-column: 2;
        margin-top: 0;
    }

    .contact-bottom__legal {
        grid-column: 1 / -1;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .contact-bottom {
        padding: 56px 0 22px;
    }

    .contact-bottom__cols {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .contact-bottom__ask {
        justify-items: start;
    }

    .contact-bottom__askTitle,
    .contact-bottom__askBox {
        width: 100%;
    }

    .contact-bottom__legal {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ===== Header Pro 响应式 ===== */

/* 小屏幕自动收敛：避免挤爆 */
@media (max-width: 980px) {
    .nav-brand {
        max-width: 320px;
        min-width: 220px;
    }

    .nav-menu,
    .nav-links {
        gap: 14px;
    }

    .nav-logo-img {
        height: 40px;
    }
}

@media (max-width: 760px) {
    .brand-name {
        font-size: 16px;
    }

    .brand-sub {
        display: none;  /* 手机端先隐藏 since */
    }
}

/* ===== Top 3 Sizes Section ===== */
.top3-sizes {
    padding: 60px 0;
    background: var(--bg-light);
}

.top3-banner {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm);
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.top3-banner img {
    display: block;
    max-width: 100%;
    max-height: none;
    width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .top3-banner {
        padding: 10px;
        margin-bottom: 18px;
    }
    .top3-banner img {
        max-height: none;
    }
}

/* Top 3 Selling Products: horizontal scroller using top-seller-card layout */
.top3-selling-products .top3-scroller {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
}

.top3-selling-products .top-seller-card {
    flex: 0 0 100%;
    scroll-snap-align: start;
    margin: 0;
}

@media (min-width: 1100px) {
    .top3-selling-products .top-seller-card {
        flex-basis: 980px;
    }
}

/* Secondary button for "Get Quote" in Top 2 (Flags) */
.top-seller-cta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.top-seller-cta .btn-quote {
    display: inline-block;
    background: transparent;
    color: var(--wk-red-700);
    padding: 12px 22px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid var(--wk-red-700);
}

.top-seller-cta .btn-quote:hover {
    background: rgba(200,30,30,0.08);
}

/* Top 3 Best Sellers small image helpers */
.top3-sellers .top3-grid { display:flex; gap:24px; flex-wrap:wrap; }
.top3-sellers .top3-card { flex:1 1 calc(33% - 16px); box-sizing:border-box; }
.top3-sellers .top3-image img { width:100%; height:200px; object-fit:cover; border-radius:8px; display:block; }
.top3-sellers .img-placeholder { width:100%; height:200px; display:flex; align-items:center; justify-content:center; border:1px solid #e3e6e8; background:#fafafa; color:#666; border-radius:8px; text-align:center; padding:8px; font-size:1rem; }
.top3-sellers .top3-card-title { margin-top:12px; font-size:1.1rem; }
.top3-sellers .top3-text { margin:8px 0 12px; color:#444; }
.top3-sellers .top3-actions { display:flex; gap:8px; }

@media (max-width:900px) {
    .top3-sellers .top3-card { flex:1 1 100%; }
}

/* 锚点跳转时避免被固定 header 遮挡 */
#top3 {
    scroll-margin-top: 120px;
}

.top3-header {
    text-align: center;
    margin-bottom: 40px;
}

.top3-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.top3-title .zh {
    display: block;
}

.top3-title .en {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-light);
    margin-top: 6px;
}

.top3-subtitle {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.top3-subtitle .zh {
    display: block;
    margin-bottom: 6px;
}

.top3-subtitle .en {
    display: block;
    font-size: 14px;
}

.top3-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.top3-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.top3-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.top3-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.top3-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.3;
}

.top3-card-title .zh {
    display: block;
}

.top3-card-title .en {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-light);
    margin-top: 4px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(44, 90, 160, 0.1);
    color: var(--primary-color);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge .zh,
.badge .en {
    display: inline;
}

.top3-block {
    margin-bottom: 18px;
}

.top3-block .label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 默认显示中文 */
.top3-block .label .zh,
.top3-title .zh,
.top3-subtitle .zh,
.top3-card-title .zh,
.top3-text .zh,
.top3-note .zh,
.top3-actions .btn-primary .zh,
.top3-actions .btn-secondary .zh,
.badge .zh {
    display: inline;
}

.top3-block .label .en,
.top3-title .en,
.top3-subtitle .en,
.top3-card-title .en,
.top3-text .en,
.top3-note .en,
.top3-actions .btn-primary .en,
.top3-actions .btn-secondary .en,
.badge .en {
    display: none;
}

/* 英文模式：显示英文，隐藏中文 */
html[lang="en"] .top3-block .label .zh,
html[lang="en"] .top3-title .zh,
html[lang="en"] .top3-subtitle .zh,
html[lang="en"] .top3-card-title .zh,
html[lang="en"] .top3-text .zh,
html[lang="en"] .top3-note .zh,
html[lang="en"] .top3-actions .btn-primary .zh,
html[lang="en"] .top3-actions .btn-secondary .zh,
html[lang="en"] .badge .zh {
    display: none;
}

html[lang="en"] .top3-block .label .en,
html[lang="en"] .top3-title .en,
html[lang="en"] .top3-subtitle .en,
html[lang="en"] .top3-card-title .en,
html[lang="en"] .top3-text .en,
html[lang="en"] .top3-note .en,
html[lang="en"] .top3-actions .btn-primary .en,
html[lang="en"] .top3-actions .btn-secondary .en,
html[lang="en"] .badge .en {
    display: inline;
}

/* 标题特殊处理 */
.top3-title .zh {
    display: block;
}

.top3-title .en {
    display: block;
}

html[lang="en"] .top3-title .zh {
    display: none;
}

html[lang="zh"] .top3-title .en {
    display: block;
}

.top3-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.top3-list li {
    padding: 6px 0;
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.5;
}

.top3-text {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.top3-text .zh {
    display: block;
}

.top3-text .en {
    display: none;
}

html[lang="en"] .top3-text .zh {
    display: none;
}

html[lang="en"] .top3-text .en {
    display: block;
}

/* 卡片标题特殊处理 */
.top3-card-title .zh {
    display: block;
}

.top3-card-title .en {
    display: block;
}

html[lang="en"] .top3-card-title .zh {
    display: none;
}

html[lang="zh"] .top3-card-title .en {
    display: block;
}

/* 副标题特殊处理 */
.top3-subtitle .zh {
    display: block;
}

.top3-subtitle .en {
    display: block;
}

html[lang="en"] .top3-subtitle .zh {
    display: none;
}

html[lang="zh"] .top3-subtitle .en {
    display: block;
}

.top3-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.top3-actions .btn-primary,
.top3-actions .btn-secondary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
}

.top3-actions .btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.top3-actions .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.top3-actions .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.top3-actions .btn-secondary:hover {
    background: rgba(44, 90, 160, 0.05);
}

.top3-actions .btn-primary .zh,
.top3-actions .btn-primary .en,
.top3-actions .btn-secondary .zh,
.top3-actions .btn-secondary .en {
    display: inline;
}

html[lang="en"] .top3-actions .btn-primary .zh,
html[lang="en"] .top3-actions .btn-secondary .zh {
    display: none;
}

html[lang="zh"] .top3-actions .btn-primary .en,
html[lang="zh"] .top3-actions .btn-secondary .en {
    display: none;
}

/* Badge 特殊处理 */
.badge .zh {
    display: inline;
}

.badge .en {
    display: none;
}

html[lang="en"] .badge .zh {
    display: none;
}

html[lang="en"] .badge .en {
    display: inline;
}

.top3-note {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

.top3-note .zh {
    display: block;
    margin-bottom: 6px;
}

.top3-note .en {
    display: block;
    font-size: 12px;
}

html[lang="en"] .top3-note .zh {
    display: none;
}

html[lang="zh"] .top3-note .en {
    display: block;
}

/* Top 3 响应式 */
@media (max-width: 992px) {
    .top3-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .top3-title {
        font-size: 28px;
    }

    .top3-title .en {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .top3-sizes {
        padding: 40px 0;
    }

    .top3-header {
        margin-bottom: 30px;
    }

    .top3-title {
        font-size: 24px;
    }

    .top3-title .en {
        font-size: 18px;
    }

    .top3-card {
        padding: 20px;
    }

    .top3-actions {
        flex-direction: column;
    }
}

/* ===== Minimal logo float (NO layout change) ===== */
.nav-logo-img {
    height: 72px;                 /* ✅ Logo 微调尺寸 */
    width: auto;
    position: relative;           /* ✅ 仍在文档流中 */
    transform: translateX(-6px);  /* ✅ 向左一点点 */
    display: block;
    object-fit: contain;
    border-radius: 8px;
    filter: saturate(1.05) contrast(1.05);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .nav-logo-img {
        height: 62px;
        transform: translateY(-18px);
    }
}

/* ===== Navbar brand name: force single line ===== */
.nav-logo .brand-name-en {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.1;
}

@media (min-width: 1400px) {
    .nav-logo-text h1,
    .nav-logo .brand-name-en {
        overflow: visible !important;
        text-overflow: clip !important;
        max-width: none !important;
    }
}

/* ===== Fix header overlap (brand vs menu) ===== */

/* 1) 左侧品牌区必须允许收缩（关键） */
.nav-brand {
    flex: 0 1 420px;   /* 不要硬撑，允许变窄 */
    min-width: 0;      /* 允许内部文字 ellipsis 生效 */
}

/* 2) logo 右侧不要再硬挤出 64px 空间（会把菜单挤爆） */
.nav-logo {
    margin-right: 18px; /* 从 64 改小，推荐 12~20 */
}

/* 3) 中间菜单也要允许收缩（防止它自己不换行导致互相顶） */
.nav-menu,
.nav-links {
    min-width: 0;
}

/* =========================
   Responsive Brand (No overlap)
   ========================= */

/* 1) 左侧品牌区：必须允许缩小（否则一定会压到中间菜单） */
.nav-brand{
  flex: 1 1 auto;
  min-width: 0;               /* 允许内部文字省略号生效 */
}

/* 2) 公司名：随屏幕自动缩放 + 单行省略号 */
.nav-logo .brand-name-en,
.nav-logo-text h1{
  font-size: clamp(14px, 1.2vw, 22px);  /* ✅ 自动变大/变小 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(44vw, 560px);          /* ✅ 根据屏幕限制最大宽度 */
  line-height: 1.1;
}

/* 3) 中间菜单/链接区也允许缩小（避免它“硬撑”把左侧顶爆） */
.nav-menu,
.nav-links{
  min-width: 0;
}

/* 4) 关键：中等屏幕时取消 absolute 居中（absolute 最容易导致覆盖） */
@media (max-width: 1200px){
  .nav-menu{
    position: static !important;
    transform: none !important;
    margin-left: 0 !important;
  }
}

/* 4) 英文公司名保持单行 + 省略号（即使字体变大也不盖住菜单） */
.nav-logo .brand-name-en {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* ===== Center main nav menu (do not affect logo & icons) ===== */
.nav-container {
    position: relative; /* 给中间菜单提供定位参照 */
}

.nav-menu {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    justify-content: center;
    margin-left: 0 !important;
}

/* ===== Hero Slide Left Info Panel ===== */
.hero-info{
  max-width: 520px;
}

.hero-kicker{
  display:inline-block;
  padding:6px 12px;
  border-radius:999px;
  background:var(--wk-accent-soft-red);
  color:var(--wk-red-700);
  font-size:12px;
  letter-spacing:.08em;
  font-weight:600;
  margin-bottom:14px;
}

.hero-title{
  font-size:40px;
  line-height:1.1;
  margin:0 0 12px;
  color:#0f172a;
}

.hero-sub{
  font-size:16px;
  line-height:1.6;
  color:var(--wk-gray-700);
  margin:0 0 18px;
  text-shadow: none;
}

.hero-highlights{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin: 18px 0 18px;
  padding:14px;
  border-radius:16px;
  background: rgba(255,255,255,0.9);
  border:1px solid var(--wk-border-light);
  box-shadow: 0 10px 30px rgba(15,23,42,0.06);
}

.hero-highlights::before{
  content: "";
  display:block;
  height:2px;
  width:36px;
  background:var(--wk-red-700);
  border-radius:2px;
  margin-bottom:10px;
}

.h-item{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap:10px;
  align-items:flex-start;
}

.h-label{
  font-size:12px;
  color:var(--wk-gray-500);
  text-transform:uppercase;
  letter-spacing:.08em;
  padding-top:3px;
}

.h-value{
  font-size:14px;
  color:var(--wk-black);
  line-height:1.45;
  font-weight:600;
}

.h-value{
  font-size:14px;
  color:#0f172a;
  line-height:1.45;
  font-weight:600;
}

.hero-ctas{
  display:flex;
  gap:12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.hero-proof{
  margin-top: 14px;
  display:flex;
  gap:14px;
  flex-wrap: wrap;
}

/* =========================================
   Home Top-3 Slider text contrast fix
   ========================================= */

/* 顶部轮播：产品描述文字 */
.hero-slide .hero-desc,
.hero-slide p,
.top-rank-slide p,
.home-hero p {
  color: #334155;          /* 深蓝灰，高级且清晰 */
  opacity: 1;              /* ❗取消透明度 */
  font-weight: 400;
  line-height: 1.6;
}

/* 英文模式下稍微再清晰一点 */
html[lang="en"] .hero-slide .hero-desc,
html[lang="en"] .hero-slide p {
  color: #1f2937;          /* 更深一点，适合英文长句 */
}

/* 兜底：适用于首页任意命名的轮播描述 */
.home .slider p,
.home .hero p,
.home p.description,
.home p.subtext {
  color: #1f2937 !important;
  opacity: 1 !important;
}  color:#64748b;
  font-size:13px;
}

/* Mobile: stack nicely */
@media (max-width: 900px){
  .hero-title{ font-size:30px; }
  .h-item{ grid-template-columns: 1fr; }
}

/* Ensure hero images fill and crop nicely */
.hero-sz-image-wrap img,
.hero-image img {
  width:100%;
  height:100%;
  object-fit: cover;
  object-position: center;
}

/* =========================
   Search overlay
   ========================= */
.search-overlay{
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 9999;
}

.search-overlay.open{
  display: flex;
}

.search-panel{
  width: min(720px, 92vw);
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 18px 60px rgba(0,0,0,.25);
  padding: 22px 22px 18px;
  position: relative;
}

.search-close{
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.08);
  background: #fff;
  cursor: pointer;
}

.search-title{
  font-size: 18px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 14px;
}

.search-row{
  display: flex;
  gap: 10px;
  align-items: center;
}

.search-row input{
  flex: 1;
  height: 48px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.12);
  padding: 0 14px;
  font-size: 16px;
  outline: none;
}

.search-row input:focus{
  border-color: rgba(59, 130, 246, 0.55);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.search-hint{
  margin-top: 12px;
  font-size: 13px;
  color: #475569;
}

@media (max-width: 520px){
  .search-row{ flex-direction: column; }
  .search-row input, .search-row button{ width: 100%; }
}

/* sprite thumbnail used by product lists when product.grid is provided */
.sprite-thumb{
    width: 100%;
    height: 100%;
    background-repeat:no-repeat;
    background-color:#fff;
    background-size:400% 600%;
    border-radius:12px;
}

/* =========================
     Tent Types (Tents only)
     ========================= */
.tent-types{
    margin-top: var(--spacing-xl);
    padding: var(--spacing-sm) 0;
}

.tents-hub{
    margin-top: var(--spacing-lg);
}

.tents-hub__section{
    margin-top: var(--spacing-xl);
}

.tents-hub__section:first-child{
    margin-top: 0;
}

.tents-hub__title{
    font-size: var(--font-size-2xl);
    line-height: 1.2;
    color: var(--wk-black);
    margin-bottom: var(--spacing-sm);
}

.tent-types__head{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.tent-types__head h2{
    font-size: var(--font-size-2xl);
    line-height: 1.2;
    color: var(--wk-black);
}

.tent-types__grid{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
}

@media (max-width: 900px){
    .tent-types__grid{ grid-template-columns: 1fr; }
}

.tent-type-card{
    display: flex;
    flex-direction: column;
    background: var(--wk-bg-card);
    border: 1px solid var(--wk-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.tent-type-card__link{
    display: block;
}

.tent-type-card:hover{
    box-shadow: var(--shadow-md);
}

.tent-type-card.is-active{
    border-color: var(--wk-red-700);
}

.tent-type-card__imgWrap{
    background: var(--wk-bg-soft);
}

.tent-type-card__img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: var(--wk-hero-object-position, center);
    display: block;
}

.tent-type-card__body{
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.tent-type-card__title{
    font-weight: 700;
    color: var(--wk-black);
    margin-bottom: var(--spacing-xs);
}

.tent-type-card__desc{
    color: var(--wk-gray-700);
    font-size: var(--font-size-sm);
    line-height: 1.55;
}

.tent-type-card__cta{
    margin-top: var(--spacing-sm);
    margin-top: auto;
}

/* =========================
     Tent Type Detail Panel
     ========================= */
.tent-type-detail{
    margin-top: var(--spacing-lg);
    background: var(--wk-bg-card);
    border: 1px solid var(--wk-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.tent-type-detail__head{
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--wk-border-light);
    background: var(--wk-bg-soft);
}

.tent-type-detail__title{
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--wk-black);
}

.tent-type-detail__series{
    font-weight: 600;
    color: var(--wk-gray-700);
}

.tent-type-detail__block{
    padding: var(--spacing-md);
}

.tent-type-detail__block + .tent-type-detail__block{
    border-top: 1px solid var(--wk-border-light);
}

.tent-type-detail__blockTitle{
    font-weight: 800;
    color: var(--wk-black);
    margin-bottom: var(--spacing-sm);
}

.tent-type-detail__text{
    color: var(--wk-gray-700);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.tent-type-detail__list{
    margin: var(--spacing-sm) 0 0;
    padding-left: 18px;
    color: var(--wk-gray-700);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.tent-type-detail__list li{
    margin: 6px 0;
}

.tent-type-detail__block .tent-type-detail__text + .tent-type-detail__text{
    margin-top: var(--spacing-sm);
}

.tent-type-detail__meta{
    color: var(--wk-gray-700);
    line-height: 1.6;
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.tent-type-detail__tableWrap{
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tent-type-detail__table{
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.tent-type-detail__table th,
.tent-type-detail__table td{
    border: 1px solid var(--wk-border-light);
    padding: 10px 12px;
    vertical-align: top;
    text-align: left;
    white-space: nowrap;
}

.tent-type-detail__table thead th{
    background: var(--wk-bg-soft);
    color: var(--wk-black);
    font-weight: 800;
}

.tent-type-detail__biZh{
    font-weight: 700;
    color: var(--wk-black);
}

.tent-type-detail__biEn{
    margin-top: 2px;
    font-size: var(--font-size-xs);
    color: var(--wk-gray-700);
    font-weight: 600;
}

.tent-type-detail__visuals{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 900px){
    .tent-type-detail__visuals{ grid-template-columns: 1fr; }
}

.tent-type-detail__visual{
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--wk-border-light);
    border-radius: var(--radius-md);
    background: var(--wk-bg-card);
}

/* Star tent accessories image should be much smaller */
.tent-type-detail__visual--small{
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* ===============================
   Homepage redesign (2026)
   Scoped to .home to avoid regressions
================================ */

.home .wk-section{
    padding: clamp(44px, 6vw, 88px) 0;
}

.home .wk-section--soft{
    background: var(--wk-bg-soft);
}

.home .wk-grid{
    display: grid;
    gap: 18px;
}

.home .wk-card{
    background: var(--wk-bg-card);
    border: 1px solid var(--wk-border-light);
    border-radius: 16px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.home .wk-card:hover{
    transform: translateY(-3px);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.12);
}

.home .wk-card-body{
    padding: 18px;
}

.home .wk-card-title{
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--wk-black);
    margin: 0 0 8px;
}

.home .wk-card-desc{
    margin: 0;
    color: var(--wk-gray-700);
    font-size: 0.98rem;
    line-height: 1.6;
}

.home .wk-card-link{
    margin-top: 12px;
    font-weight: 800;
    color: var(--wk-red-700);
}

/* Hero */
.home .wk-hero{
    padding-top: 110px;
    padding-bottom: 18px;
}

.home .wk-hero-shell{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    position: relative;
}

.home .wk-hero-slider{
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: clamp(420px, 52vw, 560px);
    background: #0b1220;
}

/* Light hero variant (for white/bright background images) */
.home .wk-hero-slide.wk-hero-slide--light{
    background: #fff;
}

.home .wk-hero-slide{
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 520ms ease;
}

.home .wk-hero-slide.is-active{
    opacity: 1;
    pointer-events: auto;
}

.home .wk-hero-bg{
    position: absolute;
    inset: 0;
    background-image: var(--wk-hero-bg);
    background-size: cover;
    background-position: center;
    transform: scale(1.03);
}

.home .wk-hero-overlay{
    position: absolute;
    inset: 0;
    background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.68) 0%, rgba(15, 23, 42, 0.42) 44%, rgba(15, 23, 42, 0.12) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.06) 40%, rgba(0,0,0,0.14) 100%);
}

.home .wk-hero-slide.wk-hero-slide--light .wk-hero-overlay{
    /* Let the photo show through; keep only a tiny softening */
    background:
        linear-gradient(90deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 44%, rgba(255,255,255,0.00) 100%),
        linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.00) 40%, rgba(255,255,255,0.03) 100%);
}

.home .wk-hero-inner{
    position: relative;
    height: 100%;
    display: flex;
    /* Place copy at bottom-left instead of vertically centered */
    align-items: flex-end;
    padding-bottom: 88px;
}

.home .wk-hero-content{
    max-width: 640px;
    color: #fff;
}

.home .wk-hero-title{
    margin: 0 0 10px;
}

.home .wk-hero-sub{
    margin: 0 0 14px;
}

.home .wk-hero-slide.wk-hero-slide--light .wk-hero-content{
    color: #0f172a;
}

.home .wk-hero-kicker{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
    margin-bottom: 14px;
}

.home .wk-hero-slide.wk-hero-slide--light .wk-hero-kicker{
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(15, 23, 42, 0.10);
    color: rgba(15, 23, 42, 0.86);
}

.home .wk-hero-title{
    margin: 0 0 12px;
    font-size: clamp(2.05rem, 4.2vw, 3.05rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: #fff;
    font-weight: 900;
}

.home .wk-hero-slide.wk-hero-slide--light .wk-hero-title{
    color: #0f172a;
}

.home .wk-hero-sub{
    margin: 0 0 18px;
    font-size: 1.05rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.90);
}

.home .wk-hero-slide.wk-hero-slide--light .wk-hero-sub{
    color: rgba(15, 23, 42, 0.78);
}

.home .wk-hero-actions{
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.home .wk-hero-controls{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    pointer-events: none;
}

.home .wk-hero-nav{
    pointer-events: auto;
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(15, 23, 42, 0.35);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease;
}

.home .wk-hero-nav:hover{
    background: rgba(15, 23, 42, 0.55);
    transform: translateY(-1px);
}

.home .wk-hero-dots{
    pointer-events: auto;
    display: flex;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.28);
    border: 1px solid rgba(255,255,255,0.14);
}

.home .wk-hero-dot{
    width: 10px;
    height: 10px;
    border-radius: 999px;
    border: 0;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
}

.home .wk-hero-dot.is-active{
    background: rgba(255,255,255,0.95);
}

/* Category grid */
.home .wk-cat-grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home .wk-card-media{
    height: 160px;
    background: var(--wk-bg-soft);
}

.home .wk-card-placeholder{
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(15, 23, 42, 0.45);
    font-size: 28px;
}

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

/* Logo wall */
.home .wk-logo-grid{
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.home .wk-logo-badge{
    height: 54px;
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(15,23,42,0.06), rgba(15,23,42,0.03));
    border: 1px solid rgba(15,23,42,0.08);
}

.home .wk-logo-badge--text{
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: rgba(15, 23, 42, 0.68);
    font-size: 0.92rem;
    letter-spacing: -0.01em;
}

.home .wk-logo-img{
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    padding: 10px;
    filter: grayscale(100%);
    opacity: 0.8;
}

/* Best sellers */
.home .wk-product-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home .wk-product-media{
    display: block;
    background: var(--wk-bg-soft);
}

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

.home .wk-product-title{
    font-weight: 900;
    color: var(--wk-black);
    letter-spacing: -0.02em;
    font-size: 1.02rem;
    margin-bottom: 8px;
}

.home .wk-product-specs{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 10px;
}

.home .wk-tag{
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(15,23,42,0.04);
    border: 1px solid rgba(15,23,42,0.08);
    font-weight: 800;
    font-size: 0.82rem;
    color: var(--wk-gray-900);
}

.home .wk-product-desc{
    color: var(--wk-gray-700);
    font-size: 0.95rem;
    line-height: 1.55;
    min-height: 3.1em;
}

.home .wk-product-actions{
    margin-top: 12px;
}

.home .wk-section-actions{
    margin-top: 18px;
    display: flex;
    justify-content: center;
}

/* Factory features + stats */
.home .wk-feature-grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home .wk-feature-card{
    text-align: left;
}

.home .wk-feature-icon{
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(200, 30, 30, 0.10);
    color: var(--wk-red-700);
    border: 1px solid rgba(200, 30, 30, 0.18);
    margin: 18px 18px 10px;
}

.home .wk-feature-card h3{
    margin: 0 18px 8px;
    font-size: 1.05rem;
}

.home .wk-feature-card p{
    margin: 0 18px 18px;
    color: var(--wk-gray-700);
}

.home .wk-stats{
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.home .wk-stat{
    background: var(--wk-bg-card);
    border: 1px solid var(--wk-border-light);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.home .wk-stat-value{
    font-size: 1.55rem;
    font-weight: 950;
    letter-spacing: -0.03em;
    color: var(--wk-black);
    margin-bottom: 4px;
}

.home .wk-stat-label{
    color: var(--wk-gray-700);
    font-weight: 700;
}

/* Resources */
.home .wk-resource-grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home .wk-resource-card{
    text-decoration: none;
    color: inherit;
}

.home .wk-faq-list{
    margin-top: 22px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.home .wk-faq-item{
    background: var(--wk-bg-card);
    border: 1px solid var(--wk-border-light);
    border-radius: 16px;
    padding: 18px;
}

.home .wk-faq-q{
    margin: 0 0 8px;
    font-size: 1.05rem;
    font-weight: 900;
    color: var(--wk-black);
}

.home .wk-faq-a{
    margin: 0;
    color: var(--wk-gray-700);
}

/* Conversion CTA */
.home .wk-cta{
    padding-top: 26px;
}

.home .wk-cta-box{
    border-radius: 20px;
    padding: 24px;
    border: 1px solid rgba(200, 30, 30, 0.18);
    background:
        radial-gradient(1200px 420px at 10% 10%, rgba(200, 30, 30, 0.14), transparent 55%),
        linear-gradient(180deg, #ffffff, #ffffff);
    box-shadow: 0 16px 48px rgba(15, 23, 42, 0.10);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.home .wk-cta-text h2{
    margin: 0 0 8px;
}

.home .wk-cta-text p{
    margin: 0;
    color: var(--wk-gray-700);
}

.home .wk-cta-actions{
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Sticky mobile quote */
.wk-sticky-quote{
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 1003;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 14px 16px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 950;
    background: var(--wk-red-700);
    color: #fff;
    box-shadow: 0 18px 48px rgba(200, 30, 30, 0.30);
}

.wk-sticky-quote:active{
    transform: translateY(1px);
}

/* Responsive */
@media (max-width: 1100px){
    .home .wk-cat-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .home .wk-feature-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .home .wk-resource-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .home .wk-logo-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 820px){
    .home .wk-product-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .home .wk-faq-list{ grid-template-columns: 1fr; }
    .home .wk-cta-box{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px){
    .home .wk-hero{ padding-top: 98px; }
    .home .wk-hero-slider{ height: 520px; }
    .home .wk-cat-grid,
    .home .wk-product-grid,
    .home .wk-resource-grid{ grid-template-columns: 1fr; }
    .home .wk-logo-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .home .wk-stats{ grid-template-columns: 1fr; }
    .wk-sticky-quote{ display: flex; }
    .back-to-top{ bottom: 84px; }
}

/* Third-party trademarks disclaimer */
.wk-disclaimer{
    margin: 12px auto 0;
    max-width: 980px;
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.55;
    white-space: pre-line;
}

/* Cookie consent */
.wk-cookie-banner{
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 1200;
}

.wk-cookie-banner__card{
    max-width: 1100px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 18px 48px rgba(0,0,0,0.18);
    padding: 14px 14px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    justify-content: space-between;
}

.wk-cookie-banner__title{
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.wk-cookie-banner__desc{
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.45;
}

.wk-cookie-banner__actions{
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.wk-cookie-modal{
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(15, 23, 42, 0.55);
}

.wk-cookie-modal.is-open{ display: flex; }

.wk-cookie-modal__panel{
    width: 100%;
    max-width: 720px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 22px 70px rgba(0,0,0,0.28);
    overflow: hidden;
}

.wk-cookie-modal__head{
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.wk-cookie-modal__title{ font-weight: 950; color: var(--text-dark); }

.wk-cookie-modal__body{ padding: 14px 16px; }

.wk-cookie-row{
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.wk-cookie-row:last-child{ border-bottom: none; }

.wk-cookie-row__label{ color: var(--text-dark); font-weight: 700; }

.wk-cookie-modal__foot{
    padding: 14px 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

@media (max-width: 720px){
    .wk-cookie-banner__card{ flex-direction: column; }
    .wk-cookie-banner__actions{ justify-content: flex-start; }
}