/* =====================================================
   Raysko Theme - Enhanced Styles (v2.1)
   深度优化：色彩、阴影、动画、间距、交互细节
   ===================================================== */

/* ===== 1. 增强设计令牌 ===== */
:root {
    /* 主色调 - 更精细的渐变 */
    --brand: #00a7d2;
    --brand-dark: #008cb0;
    --brand-deep: #0066b3;
    --brand-darker: #004480;
    --brand-light: #4fc3e8;
    --brand-lighter: #e8f6fc;

    /* 强调色 */
    --accent: #f6986a;
    --accent-dark: #e87f4f;

    /* 渐变 */
    --brand-grad: linear-gradient(135deg, #00a7d2 0%, #008cb0 100%);
    --brand-grad-deep: linear-gradient(135deg, #0066b3 0%, #004480 100%);
    --brand-grad-vibrant: linear-gradient(135deg, #00c4f0 0%, #008cb0 50%, #0066b3 100%);
    --hero-grad: linear-gradient(180deg, #e8f6fc 0%, #d7ebf4 100%);

    /* 文字颜色 */
    --ink: #1a1a2e;
    --ink-soft: #2d2d44;
    --muted: #555;
    --muted-2: #6b6b80;
    --muted-3: #8a8a9a;
    --muted-4: #a8a8b8;

    /* 背景与线条 */
    --line: #e5e7eb;
    --line-soft: #f0f1f5;
    --bg: #f4f6f9;
    --bg-soft: #f8f9fb;
    --bg-white: #fff;

    /* 增强阴影系统 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
    --shadow-brand: 0 8px 24px rgba(0, 167, 210, 0.3);
    --shadow-brand-lg: 0 16px 40px rgba(0, 167, 210, 0.35);

    /* 圆角 */
    --radius-xs: 3px;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-pill: 50px;

    /* 过渡曲线 */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* 尺寸 */
    --content-w: clamp(320px, 92vw, 1400px);
    --header-h: 72px;
    --topbar-h: 42px;
}

/* ===== 2. 全局优化 ===== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.65;
    color: var(--ink-soft);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-soft);
}
::-webkit-scrollbar-thumb {
    background: var(--muted-4);
    border-radius: 5px;
    border: 2px solid var(--bg-soft);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--muted-3);
}

/* 文字选中色 */
::selection {
    background: var(--brand);
    color: #fff;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 链接过渡 */
a {
    transition: color 0.25s var(--ease-out);
}

/* ===== 3. 顶部横幅优化 ===== */
.top-banner {
    background: #0a1628;
    color: #fff;
    padding: 11px 0;
    font-size: 13px;
    position: relative;
    z-index: 1001;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.top-banner a {
    color: #fff;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ===== 4. Header 优化 ===== */
.header {
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.7) 0%, rgba(10, 22, 40, 0.1) 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    position: absolute;
    top: var(--topbar-h);
    left: 0;
    z-index: 1002;
    width: 100%;
    transition: all 0.3s var(--ease-out);
}

/* Header 滚动时变实色 */
.header.scrolled {
    position: fixed;
    top: 0;
    background: #fff;
    box-shadow: var(--shadow-md);
}

.header.scrolled .head-nav .item,
.header.scrolled .head-logo svg text {
    color: var(--ink) !important;
    fill: var(--ink) !important;
}

/* 滚动后 header 变白底，汉堡按钮线条同步改为深色，避免白底白线看不见 */
.header.scrolled .menu-toggle span {
    background: var(--ink) !important;
}

.head-nav .item {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: 10px 0;
}

.head-nav .item::after {
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
}

/* 下拉菜单优化 */
.header .drop-down {
    border-top: 2px solid var(--brand);
    box-shadow: var(--shadow-xl);
    border-radius: 0 0 var(--radius) var(--radius);
    animation: dropdownIn 0.25s var(--ease-out);
}

@keyframes dropdownIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header .item_2 {
    border-radius: 0;
    transition: all 0.2s var(--ease-out);
}

.header .item_2:hover {
    background-color: transparent;
    transform: none;
}

.header .item_2 .icon {
    background: transparent;
    border-radius: 0;
    transition: none;
}

.header .item_2:hover .icon {
    background: transparent;
    transform: none;
}

/* 移动端菜单按钮 */
.menu-toggle span {
    border-radius: 3px;
}

/* ===== 5. Hero 区域深度优化 ===== */
.hero {
    padding: 0;
    background: var(--hero-grad);
    position: relative;
    overflow: hidden;
    min-height: 580px;
    padding-top: var(--header-h);
}

/* 纯图 Banner：高度完全由 aspect-ratio 决定，禁止 .hero 的 min-height 反推宽度造成横向溢出 */
.hero--home {
    min-height: 0;
}

/* Hero 背景增强 - 添加纹理 */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 167, 210, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(246, 152, 106, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    padding: 70px 20px 90px;
}

.hero-eyebrow {
    display: inline-block;
    background: rgba(0, 167, 210, 0.12);
    color: var(--brand-deep);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
    animation: fadeInUp 0.6s var(--ease-out) both;
}

.hero h2 {
    font-size: 26px;
    font-weight: 600;
    color: var(--brand-deep);
    margin-bottom: 10px;
    animation: fadeInUp 0.6s var(--ease-out) 0.1s both;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--ink);
    letter-spacing: -1px;
    line-height: 1.15;
    background: linear-gradient(135deg, var(--ink) 0%, var(--brand-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.6s var(--ease-out) 0.2s both;
}

.hero p {
    font-size: 16px;
    color: var(--muted);
    margin-bottom: 28px;
    line-height: 1.7;
    max-width: 560px;
    animation: fadeInUp 0.6s var(--ease-out) 0.3s both;
}

/* Hero 按钮 */
.hero-actions {
    animation: fadeInUp 0.6s var(--ease-out) 0.4s both;
}

.btn {
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.3s var(--ease-out);
    border-radius: var(--radius-sm);
}

.btn--primary {
    background: var(--brand-grad-vibrant);
    box-shadow: var(--shadow-brand);
}

.btn--primary:hover {
    background: var(--brand-grad-deep);
    box-shadow: var(--shadow-brand-lg);
    transform: translateY(-2px);
}

.btn--outline {
    background: rgba(255, 255, 255, 0.7);
    border: 2px solid var(--brand);
    color: var(--brand-deep);
    backdrop-filter: blur(4px);
}

.btn--outline:hover {
    background: var(--brand);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand);
}

.btn--lg {
    padding: 14px 32px;
    font-size: 15px;
}

/* Hero 搜索框优化 */
.hero-search {
    margin-top: 24px;
    animation: fadeInUp 0.6s var(--ease-out) 0.5s both;
}

.hero-search form {
    display: flex;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-pill);
    padding: 6px;
    box-shadow: var(--shadow-md);
    max-width: 480px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: all 0.3s var(--ease-out);
}

.hero-search form:focus-within {
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(0, 167, 210, 0.2);
    transform: translateY(-2px);
}

.hero-search input[type="search"] {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 20px;
    font-size: 14px;
    outline: none;
    color: var(--ink);
}

.hero-search input[type="search"]::placeholder {
    color: var(--muted-3);
}

.hero-search button {
    background: var(--brand-grad-vibrant);
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    box-shadow: var(--shadow-brand);
}

.hero-search button:hover {
    background: var(--brand-grad-deep);
    transform: scale(1.02);
}

/* Hero 统计 */
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 36px;
    animation: fadeInUp 0.6s var(--ease-out) 0.6s both;
}

.hero-stat-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--brand-deep);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--muted-2);
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Hero 产品图 - 浮动动画 */
.hero-product {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    max-width: 50%;
}

.hero-product-image {
    animation: floatProduct 5s ease-in-out infinite;
}

@keyframes floatProduct {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-product-image img {
    filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.15));
}

/* Hero 装饰图形 - 增强动画 */
.hero-shape-1 {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--brand);
    border-radius: 50%;
    top: -150px;
    right: -100px;
    opacity: 0.1;
    pointer-events: none;
    animation: floatShape 8s ease-in-out infinite;
}

.hero-shape-2 {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--accent);
    border-radius: 50% 50% 50% 0;
    bottom: 40px;
    left: 60px;
    opacity: 0.18;
    transform: rotate(-10deg);
    pointer-events: none;
    animation: floatShape 10s ease-in-out infinite reverse;
}

.hero-shape-3 {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--brand-light);
    border-radius: 0 50% 50% 50%;
    top: 180px;
    right: 400px;
    opacity: 0.22;
    transform: rotate(20deg);
    pointer-events: none;
    animation: floatShape 7s ease-in-out infinite;
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(5deg); }
    66% { transform: translateY(15px) rotate(-5deg); }
}

.hero-shape-2 {
    animation-name: floatShape2;
}

@keyframes floatShape2 {
    0%, 100% { transform: translateY(0) rotate(-10deg); }
    50% { transform: translateY(-25px) rotate(-15deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 6. 合作伙伴条优化 ===== */
.partners-strip {
    padding: 40px 0;
    background: #fff;
    border-bottom: 1px solid var(--line-soft);
}

.partners-intro {
    color: var(--muted-3);
    font-size: 12px;
    margin-bottom: 24px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.partner-logo {
    padding: 14px 28px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 700;
    color: var(--muted-3);
    transition: all 0.3s var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
}

.partner-logo:hover {
    opacity: 1;
    color: var(--brand);
    border-color: var(--brand);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.partner-logo img {
    max-height: 32px;
    max-width: 100%;
    width: auto;
    height: auto;
    display: block;
    object-fit: contain;
    transition: filter 0.3s;
    filter: grayscale(60%);
    opacity: 0.7;
}

.partner-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* ===== 7. 区块通用优化 ===== */
.section {
    padding: 90px 0;
    background: var(--bg-white);
    position: relative;
}

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

.section-head {
    text-align: center;
    margin-bottom: 55px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    display: inline-block;
    color: var(--brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 14px;
    position: relative;
    padding-left: 40px;
}

.section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--ink);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-head-desc {
    color: var(--muted-2);
    font-size: 16px;
    line-height: 1.7;
}

/* ===== 8. 产品卡片深度优化 ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-grad-vibrant);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
    z-index: 2;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-image {
    width: 100%;
    height: 230px;
    background: linear-gradient(135deg, #f0f8fc 0%, #e0eef5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
}

.product-image::before {
    content: '';
    position: absolute;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(0, 167, 210, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    top: -30px;
    right: -30px;
    transition: all 0.5s var(--ease-out);
}

.product-card:hover .product-image::before {
    transform: scale(1.5);
}

.product-image img {
    max-width: 180px;
    max-height: 180px;
    object-fit: contain;
    position: relative;
    z-index: 1;
    transition: transform 0.5s var(--ease-out);
}

.product-card:hover .product-image img {
    transform: scale(1.08) rotate(-2deg);
}

.product-content {
    padding: 22px 20px 24px;
    text-align: left;
}

/* Popular Products (home): three flagship products on white-background images.
   The white-bg PNGs would show a visible box on the default blue gradient,
   so the tile becomes white and the decorative blue circle is dropped. */
.product-grid.products--three {
    grid-template-columns: repeat(3, 1fr);
}

/* 首页 Popular Products：2列网格 */
.product-grid.products--two {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

/* 首页产品网格全宽：突破容器限制 */
.products--fullwidth {
    width: 100vw !important;
    max-width: 100vw !important;
    margin-left: calc(50% - 50vw) !important;
    margin-right: calc(50% - 50vw) !important;
    padding: 0 !important;
    gap: 10px !important;
}

@media (max-width: 768px) {
    .product-grid.products--two {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .products--fullwidth {
        gap: 8px !important;
    }
}

/* 产品图片区域：浅色渐变背景 + 科技线条 */
#products .product-image {
    position: relative;
    background: linear-gradient(135deg, #e8f6fc 0%, #d7ebf4 100%);
    overflow: hidden;
}

#products .product-image::before {
    display: none;
}

/* 首页产品卡片：图片铺满，文字浮在图片上 */
#products .product-card {
    position: relative;
    border-radius: var(--radius-lg, 16px);
    overflow: hidden;
    transition: all 0.3s ease;
    background: #fff;
    border: 1px solid var(--line-soft);
}

#products .product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--brand-light);
}

#products .product-card > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

#products .product-card:hover > img {
    transform: scale(1.05);
}

/* 文字浮在图片底部 */
#products .product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 20px 20px;
    text-align: center;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
}

#products .product-overlay .product-title {
    margin-bottom: 4px;
}

#products .product-overlay .product-title a {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
}

#products .product-overlay .product-title a:hover {
    color: #00d4ff;
}

#products .product-overlay .product-link {
    display: inline-block;
    color: #00d4ff;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.25s ease;
}

#products .product-overlay .product-link:hover {
    color: #fff;
}

.product-image-techbg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.product-image-techbg svg {
    width: 100%;
    height: 100%;
}

#products .product-image img,
#products .product-image a {
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .product-grid.products--two {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

@media (max-width: 580px) {
    .product-grid.products--two {
        grid-template-columns: 1fr;
    }
}
}

#products .product-image::before {
    display: none;
}

.product-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ink);
    line-height: 1.3;
}

.product-title a {
    color: var(--ink);
}

.product-title a:hover {
    color: var(--brand);
}

.product-desc {
    color: var(--muted-2);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 14px;
    min-height: 40px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    padding: 0;
    transition: all 0.3s var(--ease-out);
}

.product-link:hover {
    color: var(--brand-deep);
    gap: 10px;
}

/* View All 按钮 */
.view-all-btn {
    text-align: center;
    margin-top: 50px;
}

.view-all-btn a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    border: 2px solid var(--brand);
    color: var(--brand-deep);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    transition: all 0.3s var(--ease-out);
    background: #fff;
}

.view-all-btn a:hover {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand);
}

/* ===== 9. 特性卡片优化 ===== */
.feature-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-soft);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--brand-grad);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
    z-index: 0;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-card:hover {
    background: #fff;
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: var(--brand-light);
}

.feature-icon {
    width: 76px;
    height: 76px;
    background: var(--brand-grad);
    border-radius: 22px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 30px;
    box-shadow: var(--shadow-brand);
    transition: all 0.4s var(--ease-out);
    transform: rotate(0deg);
}

.feature-card:hover .feature-icon {
    transform: rotate(-8deg) scale(1.05);
    border-radius: 50%;
}

.feature-title {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--ink);
}

.feature-desc {
    color: var(--muted-2);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 10. 新闻卡片优化 ===== */
.news-card {
    background: #fff;
    overflow: hidden;
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    border: 1px solid var(--line-soft);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.news-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.news-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.2) 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

.news-card:hover .news-image::after {
    opacity: 1;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.news-card:hover .news-image img {
    transform: scale(1.08);
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: 12px;
    color: var(--brand);
    margin-bottom: 12px;
    display: block;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--ink);
    line-height: 1.4;
}

.news-desc {
    color: var(--muted-2);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 11. 统计区域优化 ===== */
.stats-section {
    background: linear-gradient(135deg, #0a1628 0%, #142440 100%);
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 167, 210, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(246, 152, 106, 0.1) 0%, transparent 40%);
}

.stats-grid {
    position: relative;
    z-index: 1;
}

.stat-num {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brand-light) 0%, var(--brand) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ===== 12. 按钮系统优化 ===== */
.btn--primary,
.btn--outline {
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease-out);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: var(--brand-grad-vibrant);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    box-shadow: var(--shadow-brand);
    transition: all 0.3s var(--ease-out);
}

.btn-primary:hover {
    background: var(--brand-grad-deep);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

/* ===== 13. 页脚优化 ===== */
.footer {
    background: linear-gradient(135deg, #0a1628 0%, #142440 100%);
    color: rgba(255, 255, 255, 0.75);
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 22px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: all 0.25s var(--ease-out);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--brand-light);
    transform: translateX(4px);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px;
    line-height: 1.7;
}

.subscribe-btn {
    display: inline-block;
    background: var(--brand-grad-vibrant);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    transition: all 0.3s var(--ease-out);
    box-shadow: var(--shadow-brand);
}

.subscribe-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.social-links a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 700;
    transition: all 0.3s var(--ease-out);
}

.social-links a:hover {
    background: var(--brand-grad);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-brand);
}

.social-links a svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* 页脚底部 */
.footer-bottom {
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* ===== 14. 滚动显示动画 ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.4s; }

/* Link Box 三个图片块：左右渐入 */
.link-box .lb-column[data-animate-dir="left"] {
    transform: translateX(-60px);
}
.link-box .lb-column[data-animate-dir="right"] {
    transform: translateX(60px);
}
.link-box .lb-column[data-animate-dir="left"].visible,
.link-box .lb-column[data-animate-dir="right"].visible {
    transform: translateX(0);
}

/* ===== 15. 响应式优化 ===== */
@media (max-width: 1024px) {
    .hero h1 { font-size: 42px; }
    .hero-content { max-width: 60%; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
    .hero { min-height: 500px; }

    /* 移动端隐藏顶部 Partner 推广横幅，节省宝贵的移动端首屏空间 */
    .top-banner { display: none; }

    /* 移动端 header 改为 sticky 定位：
       - sticky 会占据文档流空间，下方的 banner 图自然从 header 底部开始完整显示，
         不再被 header 浮层遮挡顶部（此前 absolute 浮层盖住了 banner 图顶部约 70px）。
       - top:0 让 header 始终吸附在视口顶部，滚动时自动跟随，无 absolute→fixed 的跳变。
       - 实色深色背景 #0a1628 保证 logo/汉堡按钮在任意页面都清晰可辨。 */
    .header {
        position: sticky;
        top: 0;
        background: #0a1628;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    /* sticky 模式下 .scrolled 只需切换背景色，不再改定位（避免覆盖 sticky） */
    .header.scrolled {
        position: sticky;
    }

    /* banner 图顶部不再被 header 遮挡：各 hero 区域去掉为浮层 header 预留的 padding-top。
       sticky header 已在文档流中占据自身高度，hero 内容紧跟其后即可。 */
    .hero,
    .hero--home {
        padding-top: 0;
    }
    .hero--home {
        min-height: 0;
        /* 竖版图 1080x1350 比例，手机端更高的 banner */
        aspect-ratio: 1080 / 1350;
        height: auto;
        max-height: none;
        position: relative;
    }
    .hero--home .hero-bg-slide {
        background-position: center center;
        background-size: cover;
    }
    /* 手机端 slider 从顶部开始（header 是 sticky 在文档流中） */
    .hero--home .hero-bg-slider {
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
    }
    .hero h1 { font-size: 34px; }
    .hero h2 { font-size: 20px; }
    .hero p { font-size: 15px; }
    .hero-content { max-width: 100%; }
    .hero-product { display: none; }
    .hero-stats { gap: 24px; }
    .hero-stat-num { font-size: 26px; }

    /* 分类/归档等页面的 .page-header：sticky header 已占文档流，
       去掉为浮层 header 预留的额外 padding-top，避免顶部留白过大 */
    .page-header { padding-top: 50px; }
    .page-header--light { padding-top: 40px; }

    .section { padding: 60px 0; }
    .section-title { font-size: 28px; }
    .section-head { margin-bottom: 40px; }

    .product-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .stat-num { font-size: 42px; }

    .footer-grid { grid-template-columns: 1fr; gap: 35px; }

    .partners-grid { gap: 12px; }
    .partner-logo { padding: 10px 20px; font-size: 14px; min-width: 100px; }
}

/* ===== 16. 加载动画 ===== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 167, 210, 0.2);
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== 17. 微交互 - 焦点状态 ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* 表单输入框优化 */
.form-field input,
.form-field textarea,
.contact-form-wrap input,
.contact-form-wrap textarea {
    transition: all 0.3s var(--ease-out);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
}

.form-field input:focus,
.form-field textarea:focus,
.contact-form-wrap input:focus,
.contact-form-wrap textarea:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(0, 167, 210, 0.15);
    outline: none;
}

/* ===== 18. Hero 标题层级修复 ===== */
.hero-main-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--ink);
    letter-spacing: -1px;
    line-height: 1.15;
    background: linear-gradient(135deg, var(--ink) 0%, var(--brand-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.6s var(--ease-out) 0.2s both;
}

.hero-sub-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--brand-deep);
    margin-bottom: 16px;
    line-height: 1.4;
    animation: fadeInUp 0.6s var(--ease-out) 0.3s both;
}

/* 覆盖原来的 hero h1/h2 防止冲突 */
.hero h1,
.hero-main-title { font-size: 52px; }
.hero h2,
.hero-sub-title { font-size: 22px; }

/* ===== 19. Split Row (Why Raysko) 优化 ===== */
.split-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.split-eyebrow {
    display: inline-block;
    color: var(--brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.split-title {
    font-size: 38px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 22px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.split-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--muted);
    margin-bottom: 24px;
}

.split-list {
    list-style: none;
    margin-bottom: 30px;
}

.split-list li {
    position: relative;
    padding: 10px 0 10px 36px;
    color: var(--ink-soft);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px dashed var(--line-soft);
}

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

.split-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--brand-grad);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 2px 6px rgba(0, 167, 210, 0.3);
}

.split-media {
    position: relative;
}

.split-media img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.5s var(--ease-out);
}

.split-media:hover img {
    transform: scale(1.02);
}

.split-media::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--brand-grad);
    border-radius: 24px;
    opacity: 0.1;
    z-index: -1;
}

/* Photo variant: a full-frame photograph instead of a centered PNG render.
   Drop the blue gradient card, the decorative ::before block, and the 80%
   contain sizing so the image fills a clean rounded, shadowed frame. */
.split-media--photo {
    background: transparent;
    min-height: 0;
    display: block;
    border-radius: var(--radius-lg);
}

.split-media--photo::before {
    display: none;
}

.split-media--photo img {
    display: block;
    width: 100%;
    height: auto;
    max-width: none;
    max-height: none;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ===== About page (page-id-10): square everything ===== */

/* Hero background image is set inline on the .hero element in page-about.php. */

.page-id-10 .hero-shape-1 {
    display: none;
}

/* Hero text on the photo background: pure white and drop the dark
   gradient-text fill so it stays readable over the dark overlay. */
.page-id-10 .hero-eyebrow,
.page-id-11 .hero-eyebrow,
.page-id-190 .hero-eyebrow {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.page-id-10 .hero h1,
.page-id-11 .hero h1,
.page-id-190 .hero h1 {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: #fff;
    color: #fff;
}

.page-id-10 .hero p,
.page-id-11 .hero p,
.page-id-190 .hero p {
    color: rgba(255, 255, 255, 0.92);
}

.page-id-190 .hero-shape-1 {
    display: none;
}

/* Our Story image fills the two-col media column. */
.page-id-10 .about-story-media {
    border-radius: 0;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.page-id-10 .about-story-media img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Square every block, card, image and icon on the about page. */
.page-id-10 .feature-card,
.page-id-10 .feature-icon,
.page-id-10 .badge-card,
.page-id-10 .badge-icon,
.page-id-10 .timeline-card,
.page-id-10 .office-card,
.page-id-10 .about-story-media,
.page-id-10 .about-story-media img,
.page-id-10 .btn,
.page-id-10 .hero,
.page-id-10 .stats-strip {
    border-radius: 0 !important;
}

/* Square every block, card and icon on the Service & Support page. */
.page-id-190 .feature-card,
.page-id-190 .feature-icon,
.page-id-190 .btn,
.page-id-190 .btn--light,
.page-id-190 .btn--lg,
.page-id-190 .hero,
.page-id-190 .cta-banner {
    border-radius: 0 !important;
}

/* ===== Contact page (page-id-11): hero banner background ===== */
/* Hero background image is set inline on the .hero element in page-contact.php. */

.page-id-11 .hero-shape-1 {
    display: none;
}

/* ===== 20. 行业卡片优化 ===== */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.industry-card {
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand-grad-vibrant);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s var(--ease-out);
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.industry-card:hover::before {
    transform: scaleX(1);
}

.industry-icon {
    font-size: 44px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.4s var(--ease-out);
}

.industry-card:hover .industry-icon {
    transform: scale(1.15) rotate(-5deg);
}

.industry-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 12px;
}

.industry-desc {
    color: var(--muted-2);
    font-size: 14px;
    line-height: 1.6;
}

/* ===== 21. 统计条带优化 ===== */
.stats-strip {
    background: linear-gradient(135deg, #0a1628 0%, #142440 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 25%, rgba(0, 167, 210, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(246, 152, 106, 0.12) 0%, transparent 45%);
}

.stats-strip .container {
    position: relative;
    z-index: 1;
}

.stats-strip .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stats-strip .stat-num {
    font-size: 54px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brand-light) 0%, var(--brand) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.stats-strip .stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ===== 22. 客户评价卡片优化 ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: #fff;
    padding: 36px 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line-soft);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.testimonial-quote-mark {
    font-size: 72px;
    line-height: 0.8;
    color: var(--brand-light);
    opacity: 0.3;
    font-family: Georgia, serif;
    margin-bottom: 10px;
    height: 40px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink-soft);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--line-soft);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--brand-grad);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: var(--shadow-brand);
}

.testimonial-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 2px;
}

.testimonial-role {
    font-size: 13px;
    color: var(--muted-3);
}

/* ===== 23. CTA Banner 优化 ===== */
.cta-banner {
    background: var(--brand-grad-deep);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 167, 210, 0.2) 0%, transparent 50%);
}

.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-text h2 {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.cta-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
    max-width: 560px;
}

.btn--light {
    background: #fff;
    color: var(--brand-deep);
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn--light:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
    color: var(--brand-deep);
}

.btn--ghost-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn--ghost-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}

/* ===== 24. 响应式补充 ===== */
@media (max-width: 1024px) {
    .split-row { grid-template-columns: 1fr; gap: 40px; }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: 1fr; }
    .stats-strip .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .cta-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .hero-main-title { font-size: 34px; }
    .hero-sub-title { font-size: 18px; }
    .split-title { font-size: 28px; }
    .industries-grid { grid-template-columns: 1fr; }
    .stats-strip .stats-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
    .stats-strip .stat-num { font-size: 40px; }
    .cta-text h2 { font-size: 26px; }
    .cta-banner { padding: 50px 0; }
}

/* ===== 25. 产品分类页卡片 ===== */
.cat-tile,
.cat-card {
    transition: all 0.4s var(--ease-out);
}

.cat-tile:hover,
.cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-light);
}

.cat-tile-icon,
.cat-card-icon {
    transition: all 0.4s var(--ease-out);
}

.cat-tile:hover .cat-tile-icon,
.cat-card:hover .cat-card-icon {
    transform: scale(1.08) rotate(-5deg);
}

/* ===== 26. 面包屑优化 ===== */
.breadcrumb {
    padding: 22px 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    margin-top: var(--header-h);
}

/* 手机端 header 是 sticky 定位，已占据文档流空间，面包屑不需要再 margin-top */
@media (max-width: 768px) {
    .breadcrumb {
        margin-top: 0;
    }
}

.breadcrumb-list {
    display: flex;
    gap: 10px;
    font-size: 14px;
    color: var(--muted-2);
    flex-wrap: wrap;
    align-items: center;
}

.breadcrumb-list a {
    color: var(--brand-deep);
    font-weight: 500;
    transition: color 0.25s var(--ease-out);
}

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

.breadcrumb-list .current {
    color: var(--ink-soft);
    font-weight: 600;
}

/* ===== 27. 产品详情页优化 ===== */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.4s var(--ease-out);
}

.product-gallery:hover {
    box-shadow: var(--shadow-md);
}

.product-gallery img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
}

.product-info h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.product-info .excerpt {
    font-size: 16px;
    line-height: 1.8;
    color: var(--muted);
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line-soft);
}

/* ===== 28. 联系页面优化 ===== */
.contact-info-card {
    transition: all 0.3s var(--ease-out);
}

.contact-info-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-light);
}

.contact-info-icon {
    background: var(--brand-grad);
    box-shadow: var(--shadow-brand);
}

/* ===== 29. 焦点可见性增强 ===== */
.btn:focus-visible,
.btn--primary:focus-visible,
.btn--outline:focus-visible,
.btn--light:focus-visible,
.btn--ghost-light:focus-visible,
.btn-primary:focus-visible,
.view-all-btn a:focus-visible,
.product-link:focus-visible,
.subscribe-btn:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
}

/* =====================================================
   第二轮深度优化 - 详情页/归档页/关于页/联系页
   ===================================================== */

/* ===== 30. 单产品详情页 - 图片画廊 ===== */
.product-gallery {
    position: relative;
    background: linear-gradient(135deg, #f8fbfd 0%, #eef6fb 100%);
    border: none;
    box-shadow: var(--shadow-md);
    transition: all 0.4s var(--ease-out);
}

.product-gallery::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    width: 80px;
    height: 80px;
    background: var(--brand-grad);
    border-radius: 16px;
    opacity: 0.08;
    z-index: 0;
}

.product-gallery::after {
    content: '';
    position: absolute;
    bottom: -15px;
    right: -15px;
    width: 100px;
    height: 100px;
    background: var(--accent);
    border-radius: 20px;
    opacity: 0.08;
    z-index: 0;
}

.product-gallery img {
    position: relative;
    z-index: 1;
    transition: transform 0.5s var(--ease-out);
}

.product-gallery:hover img {
    transform: scale(1.04);
}

.product-gallery:hover {
    box-shadow: var(--shadow-lg);
}

/* ===== 31. 产品信息区 ===== */
.product-info .section-eyebrow {
    margin-bottom: 12px;
    padding-left: 40px;
}

.product-info h1 {
    font-size: 38px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 18px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.product-info .excerpt {
    font-size: 16px;
    line-height: 1.8;
    color: var(--muted);
    margin-bottom: 28px;
    padding: 20px 24px;
    background: var(--bg-soft);
    border-left: 3px solid var(--brand);
    border-radius: var(--radius-sm);
}

.product-info .split-list li {
    font-size: 14px;
    padding: 8px 0 8px 34px;
}

.product-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

/* 产品元信息 */
.product-meta {
    padding: 20px 24px;
    background: var(--bg-soft);
    border-radius: var(--radius);
    font-size: 14px;
    border: 1px solid var(--line-soft);
}

.product-meta .label {
    font-weight: 700;
    color: var(--ink);
}

.product-meta a {
    color: var(--brand-deep);
    font-weight: 500;
    transition: color 0.25s var(--ease-out);
}

.product-meta a:hover {
    color: var(--brand);
}

/* ===== 32. 产品描述块 ===== */
.product-desc-block {
    margin-top: 70px;
}

.product-desc-block:first-of-type {
    margin-top: 60px;
}

.product-desc-block h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 32px;
    letter-spacing: -0.3px;
    position: relative;
    padding-bottom: 14px;
}

.product-desc-block h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--brand-grad);
    border-radius: 3px;
}

.product-desc-body {
    font-size: 16px;
    line-height: 1.85;
    color: var(--ink-soft);
}

.product-desc-body p {
    margin-bottom: 18px;
}

.product-desc-body img {
    border-radius: var(--radius-lg);
    margin: 24px 0;
    box-shadow: var(--shadow-md);
}

/* ===== 33. 规格表深度优化 ===== */
.spec-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--line);
}

.spec-table th,
.spec-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--line-soft);
    transition: background 0.25s var(--ease-out);
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
    border-bottom: none;
}

.spec-table th {
    background: linear-gradient(135deg, #f8f9fb 0%, #f0f3f7 100%);
    color: var(--muted);
    font-weight: 700;
    width: 220px;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.8px;
    border-right: 1px solid var(--line-soft);
}

.spec-table td {
    color: var(--ink-soft);
    background: #fff;
    font-weight: 500;
}

.spec-table tr:hover td {
    background: linear-gradient(90deg, rgba(0, 167, 210, 0.04) 0%, #fff 100%);
}

.spec-table tr:hover th {
    background: linear-gradient(135deg, #e8f4f8 0%, #d8eaf0 100%);
    color: var(--brand-deep);
}

/* ===== 34. 特性列表（Key Features） ===== */
.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.feature-list li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--brand-grad);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s var(--ease-out);
}

.feature-list li:hover {
    border-color: var(--brand-light);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.feature-list li:hover::before {
    transform: scaleY(1);
}

.feature-list .fl-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--brand-lighter) 0%, #d0e8f0 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    transition: all 0.4s var(--ease-out);
}

.feature-list li:hover .fl-icon {
    background: var(--brand-grad);
    transform: rotate(-8deg);
    box-shadow: var(--shadow-brand);
}

.feature-list .fl-title {
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 6px;
    font-size: 15px;
}

.feature-list .fl-desc {
    font-size: 13px;
    color: var(--muted-2);
    line-height: 1.6;
}

/* ===== 35. 应用场景卡片 ===== */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scenario-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 260px;
    background: linear-gradient(135deg, #0a1628 0%, #142440 100%);
    color: #fff;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
    box-shadow: var(--shadow-md);
}

.scenario-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(10, 22, 40, 0.3) 0%, rgba(10, 22, 40, 0.95) 100%),
        radial-gradient(circle at 30% 20%, rgba(0, 167, 210, 0.3) 0%, transparent 60%);
    z-index: 0;
}

.scenario-card::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(0, 167, 210, 0.4);
    border-radius: 50%;
    z-index: 1;
    transition: all 0.4s var(--ease-out);
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.scenario-card:hover::after {
    transform: scale(1.5);
    border-color: var(--brand);
    background: rgba(0, 167, 210, 0.1);
}

.scenario-card > * {
    position: relative;
    z-index: 2;
}

.scenario-icon {
    font-size: 36px;
    margin-bottom: 16px;
    transition: transform 0.4s var(--ease-out);
}

.scenario-card:hover .scenario-icon {
    transform: scale(1.2) translateY(-4px);
}

.scenario-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.scenario-desc {
    font-size: 14px;
    opacity: 0.85;
    line-height: 1.6;
}

/* ===== 36. 相关产品区 ===== */
.related-products {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--line-soft);
}

.related-products h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -0.3px;
}

/* ===== 37. 产品归档页 Hero ===== */
.archive-product .hero,
.tax-product_category .hero {
    min-height: 380px;
    padding-top: var(--header-h);
}

.post-type-archive-product .hero h1,
.tax-product_category .hero h1 {
    font-size: 44px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    /* 深色背景图上用纯白，去掉渐变裁切 */
    background: none;
    -webkit-text-fill-color: #fff;
    background-clip: border-box;
}

.post-type-archive-product .hero p,
.tax-product_category .hero p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 640px;
    line-height: 1.7;
}

/* Blog 聚合页 hero 文字白色（深色背景图上） */
.page-template-page-blog .hero h1 {
    color: #fff;
    background: none;
    -webkit-text-fill-color: #fff;
    background-clip: border-box;
}
.page-template-page-blog .hero p {
    color: rgba(255, 255, 255, 0.85);
}

/* ===== 38. 产品分类瓦片 ===== */
.cat-tile-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cat-tile {
    display: block;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 36px 22px;
    text-align: center;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.cat-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-grad-vibrant);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s var(--ease-out);
}

.cat-tile:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: transparent;
    color: inherit;
}

.cat-tile:hover::before {
    transform: scaleX(1);
}

.cat-tile-icon {
    width: 84px;
    height: 84px;
    background: var(--brand-grad-deep);
    border-radius: 24px;
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
    transition: all 0.4s var(--ease-out);
    box-shadow: 0 8px 20px rgba(0, 102, 179, 0.25);
}

.cat-tile:hover .cat-tile-icon {
    transform: rotate(-8deg) scale(1.05);
    border-radius: 50%;
}

.cat-tile-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 8px 0;
}

.cat-tile-count {
    color: var(--muted-3);
    font-size: 13px;
    margin: 0;
    font-weight: 500;
}

/* ===== 39. 产品分类大卡片 ===== */
.cat-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.cat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: transparent;
}

.cat-card-head {
    padding: 44px 40px;
    text-align: center;
    border-bottom: 1px solid var(--line-soft);
    background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%);
}

.cat-card-icon {
    width: 100px;
    height: 100px;
    background: var(--brand-grad-deep);
    border-radius: 28px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--ease-out);
    box-shadow: 0 10px 24px rgba(0, 102, 179, 0.25);
}

.cat-card:hover .cat-card-icon {
    transform: rotate(-8deg) scale(1.05);
    border-radius: 50%;
}

.cat-card-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    margin: 0 0 10px 0;
}

.cat-card-sub {
    color: var(--muted-2);
    font-size: 14px;
    margin: 0;
}

.cat-card-body {
    padding: 24px;
}

.cat-card-body a {
    color: var(--ink-soft);
    font-size: 14px;
    display: flex;
    align-items: center;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
    transition: all 0.25s var(--ease-out);
}

.cat-card-body a:hover {
    color: var(--brand);
    background: var(--brand-lighter);
    transform: translateX(4px);
}

.cat-card-body .dot {
    width: 6px;
    height: 6px;
    background: var(--brand-deep);
    border-radius: 50%;
    margin-right: 12px;
    flex-shrink: 0;
    transition: all 0.25s var(--ease-out);
}

.cat-card-body a:hover .dot {
    background: var(--brand);
    transform: scale(1.5);
}

/* ===== 40. 关于页 Hero ===== */
.page-about .hero h1,
.about .hero h1 {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ink) 0%, var(--brand-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
}

.page-about .hero p,
.about .hero p {
    font-size: 17px;
    max-width: 640px;
    line-height: 1.7;
}

/* ===== 41. 时间线 ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, transparent 0%, var(--brand) 15%, var(--brand) 85%, transparent 100%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 40px 0;
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding: 0 0 40px 40px;
}

.timeline-item::after {
    content: '';
    position: absolute;
    top: 6px;
    right: -9px;
    width: 18px;
    height: 18px;
    background: #fff;
    border: 3px solid var(--brand);
    border-radius: 50%;
    z-index: 1;
    transition: all 0.3s var(--ease-out);
    box-shadow: 0 0 0 4px rgba(0, 167, 210, 0.1);
}

.timeline-item:hover::after {
    background: var(--brand-grad);
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgba(0, 167, 210, 0.15);
}

.timeline-item:nth-child(even)::after {
    right: auto;
    left: -9px;
}

.timeline-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 26px 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s var(--ease-out);
}

.timeline-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--brand-light);
}

.timeline-year {
    display: inline-block;
    background: var(--brand-grad);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 12px;
    box-shadow: var(--shadow-brand);
}

.timeline-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--muted-2);
    line-height: 1.6;
}

/* ===== 42. 媒体占位符 ===== */
.media-placeholder {
    background: linear-gradient(135deg, var(--brand-lighter) 0%, #d7ebf4 100%);
    border-radius: var(--radius-lg);
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-deep);
    font-size: 16px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    border: 2px dashed rgba(0, 167, 210, 0.3);
}

.media-placeholder::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 167, 210, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -50px;
    right: -50px;
}

/* ===== 43. 联系页面 ===== */
.contact-form-wrap {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.4s var(--ease-out);
}

.contact-form-wrap:hover {
    box-shadow: var(--shadow-md);
}

.contact-info-card {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding: 28px;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.contact-info-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--brand-grad);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s var(--ease-out);
}

.contact-info-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.contact-info-card:hover::before {
    transform: scaleY(1);
}

.contact-info-icon {
    width: 54px;
    height: 54px;
    background: var(--brand-grad);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: var(--shadow-brand);
    transition: all 0.4s var(--ease-out);
}

.contact-info-card:hover .contact-info-icon {
    transform: rotate(-8deg) scale(1.05);
    border-radius: 50%;
}

.contact-info-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 8px 0;
}

.contact-info-card p {
    color: var(--muted-2);
    font-size: 14px;
    margin: 0;
    line-height: 1.7;
}

.contact-info-card a {
    color: var(--brand-deep);
    font-weight: 500;
}

/* ===== 44. 博客归档卡片 ===== */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.archive-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s var(--ease-out);
}

.archive-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.archive-card-thumb {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.archive-card:hover .archive-card-thumb {
    transform: scale(1.08);
}

.archive-card-body {
    padding: 26px;
}

.archive-card-body h2 {
    font-size: 20px;
    margin-bottom: 12px;
    line-height: 1.35;
}

.archive-card-body h2 a {
    color: var(--ink);
    transition: color 0.25s var(--ease-out);
}

.archive-card-body h2 a:hover {
    color: var(--brand);
}

.archive-card-date {
    color: var(--brand);
    font-size: 13px;
    margin-bottom: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.archive-card-read {
    color: var(--brand-deep);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s var(--ease-out);
}

.archive-card-read:hover {
    gap: 10px;
}

/* ===== 45. 页面标题区（taxonomy dark hero） ===== */
.page-header {
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
    padding: 100px 0;
    text-align: center;
    padding-top: calc(var(--header-h) + 50px);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 167, 210, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(246, 152, 106, 0.1) 0%, transparent 50%);
}

.page-header h1 {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 44px;
    margin-bottom: 14px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.page-header p {
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.85);
    font-size: 17px;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.page-header--light {
    background: var(--hero-grad);
    padding: 70px 0;
    padding-top: calc(var(--header-h) + 30px);
}

.page-header--light h1 {
    color: var(--ink);
    font-size: 38px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--ink) 0%, var(--brand-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header--light p {
    color: var(--muted);
    font-size: 16px;
}

/* ===== 46. FAQ 折叠面板 ===== */
.faq-list {
    max-width: 840px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s var(--ease-out);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--brand-light);
}

.faq-item[open] {
    border-color: var(--brand);
    box-shadow: var(--shadow-md);
}

.faq-item summary {
    padding: 22px 26px;
    font-weight: 700;
    color: var(--ink);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    transition: background 0.25s var(--ease-out);
}

.faq-item summary:hover {
    background: var(--bg-soft);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 24px;
    color: var(--brand);
    flex-shrink: 0;
    transition: transform 0.3s var(--ease-out);
    line-height: 1;
    width: 28px;
    height: 28px;
    background: var(--brand-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    background: var(--brand-grad);
    color: #fff;
}

.faq-answer {
    padding: 0 26px 24px;
    color: var(--muted-2);
    font-size: 15px;
    line-height: 1.8;
}

/* ===== 47. 办公地点卡片 ===== */
.offices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.office-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.office-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.office-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: transparent;
}

.office-card:hover::before {
    transform: scaleX(1);
}

.office-region {
    font-size: 12px;
    font-weight: 700;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 12px;
}

.office-city {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.office-detail {
    font-size: 14px;
    color: var(--muted-2);
    line-height: 1.7;
    margin: 0;
}

/* ===== 48. 认证徽章 ===== */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 22px;
}

.badge-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 32px 22px;
    text-align: center;
    transition: all 0.4s var(--ease-out);
}

.badge-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand);
}

.badge-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--brand-lighter) 0%, #d0e8f0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: all 0.4s var(--ease-out);
}

.badge-card:hover .badge-icon {
    background: var(--brand-grad);
    transform: rotate(-8deg);
    box-shadow: var(--shadow-brand);
}

.badge-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink-soft);
}

/* ===== 49. 分页 ===== */
.pagination,
.pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--muted-2);
    font-size: 15px;
    font-weight: 600;
    background: #fff;
    transition: all 0.3s var(--ease-out);
}

.pagination .page-numbers.current {
    background: var(--brand-grad);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-brand);
}

.pagination .page-numbers:hover:not(.dots):not(.current) {
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ===== 50. 文章导航 ===== */
.post-navigation,
.post-navigation .nav-links {
    margin-top: 50px;
    padding-top: 36px;
    border-top: 1px solid var(--line-soft);
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
    max-width: 48%;
    padding: 20px 24px;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    transition: all 0.3s var(--ease-out);
}

.post-navigation .nav-previous:hover,
.post-navigation .nav-next:hover {
    border-color: var(--brand);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.post-navigation a {
    color: var(--brand-deep);
    font-weight: 600;
    font-size: 15px;
}

.post-navigation .nav-subtitle {
    display: block;
    font-size: 12px;
    color: var(--muted-4);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ===== 51. 单文章内容 ===== */
.single-content {
    max-width: 820px;
    margin: 0 auto;
}

.single-content h1 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--ink);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.single-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 36px 0 18px;
    color: var(--ink);
}

.single-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 28px 0 14px;
    color: var(--ink);
}

.single-content p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--ink-soft);
    margin-bottom: 20px;
}

.single-content img {
    border-radius: var(--radius-lg);
    margin: 24px 0;
    box-shadow: var(--shadow-md);
}

.single-content blockquote {
    margin: 24px 0;
    padding: 20px 28px;
    background: var(--bg-soft);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius-sm);
    font-style: italic;
    color: var(--ink-soft);
}

.single-content ul,
.single-content ol {
    margin: 0 0 20px 24px;
}

.single-content ul li,
.single-content ol li {
    margin-bottom: 8px;
    line-height: 1.8;
    color: var(--ink-soft);
}

/* ===== 52. 响应式补充（详情页） ===== */
@media (max-width: 1024px) {
    .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
    .feature-list { grid-template-columns: 1fr; }
    .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-tile-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .spec-table th { width: 180px; }
}

@media (max-width: 768px) {
    .product-info h1 { font-size: 28px; }
    .product-desc-block h2 { font-size: 24px; }
    .product-desc-block { margin-top: 40px; }
    .scenarios-grid { grid-template-columns: 1fr; }
    .cat-tile-grid { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: 1fr; }

    /* 时间线移动端 */
    .timeline::before { left: 20px; }
    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;
        left: 0;
        padding: 0 0 30px 50px;
    }
    .timeline-item::after,
    .timeline-item:nth-child(even)::after {
        left: 11px;
        right: auto;
    }

    .contact-form-wrap { padding: 24px; }
    .contact-info-card { padding: 20px; gap: 14px; }

    /* 规格表移动端横向转纵向 */
    .spec-table,
    .spec-table tbody,
    .spec-table tr,
    .spec-table th,
    .spec-table td {
        display: block;
    }
    .spec-table thead { display: none; }
    .spec-table tr {
        margin-bottom: 12px;
        border: 1px solid var(--line);
        border-radius: var(--radius);
    }
    .spec-table th {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--line-soft);
        padding: 12px 16px;
    }
    .spec-table td {
        padding: 12px 16px;
    }

    .post-navigation { flex-direction: column; }
    .post-navigation .nav-previous,
    .post-navigation .nav-next { max-width: 100%; }
}

/* =====================================================
   第三轮优化 - 图片占位符系统
   ===================================================== */

/* ===== 53. 通用占位符组件 ===== */
.img-placeholder {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, #f0f7fc 0%, #e1eef6 100%);
    border: 2px dashed rgba(0, 167, 210, 0.25);
    border-radius: var(--radius-lg);
    color: var(--brand-deep);
    text-align: center;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.img-placeholder::before {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(0, 167, 210, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -80px;
    right: -80px;
    pointer-events: none;
}

.img-placeholder::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(246, 152, 106, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -60px;
    left: -60px;
    pointer-events: none;
}

.img-placeholder:hover {
    border-color: var(--brand);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.img-placeholder .ph-icon {
    font-size: 48px;
    margin-bottom: 14px;
    opacity: 0.7;
    position: relative;
    z-index: 1;
    transition: transform 0.4s var(--ease-out);
}

.img-placeholder:hover .ph-icon {
    transform: scale(1.1) translateY(-4px);
}

.img-placeholder .ph-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--brand-deep);
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.img-placeholder .ph-desc {
    font-size: 13px;
    color: var(--muted-2);
    max-width: 80%;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.img-placeholder .ph-size {
    display: inline-block;
    margin-top: 12px;
    padding: 3px 12px;
    background: rgba(0, 167, 210, 0.1);
    color: var(--brand-deep);
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

/* 占位符尺寸变体 */
.img-placeholder--sm { min-height: 120px; padding: 16px; }
.img-placeholder--md { min-height: 220px; padding: 24px; }
.img-placeholder--lg { min-height: 350px; padding: 32px; }
.img-placeholder--xl { min-height: 450px; padding: 40px; }

/* 占位符深色变体（用于深色背景上） */
.img-placeholder--dark {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
}

.img-placeholder--dark .ph-title { color: #fff; }
.img-placeholder--dark .ph-desc { color: rgba(255, 255, 255, 0.6); }
.img-placeholder--dark .ph-size {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

/* ===== 54. 产品图片占位符（无特色图时） ===== */
.product-image .no-image,
.no-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f0f7fc 0%, #e1eef6 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--muted-3);
    position: relative;
    overflow: hidden;
}

.product-image .no-image::before,
.no-image::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(0, 167, 210, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: -20px;
    right: -20px;
}

.no-image .no-image-icon {
    font-size: 40px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.no-image .no-image-text {
    font-size: 13px;
    color: var(--muted-3);
    font-weight: 500;
}

/* ===== 55. 图标占位符（分类卡片无图时） ===== */
.cat-card-icon .emoji,
.cat-tile-icon .emoji {
    font-size: 36px;
    line-height: 1;
}

.cat-card-icon:has(.emoji),
.cat-tile-icon:has(.emoji) {
    background: var(--brand-grad-deep);
}

/* 当 icon 容器为空时显示占位图标 */
.cat-card-icon:empty::before,
.cat-tile-icon:empty::before {
    content: '📦';
    font-size: 32px;
}

/* ===== 56. 地图占位符 ===== */
.map-placeholder {
    width: 100%;
    min-height: 240px;
    background:
        linear-gradient(135deg, #f0f7fc 0%, #e1eef6 100%),
        repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(0, 167, 210, 0.03) 20px, rgba(0, 167, 210, 0.03) 40px);
    border: 2px dashed rgba(0, 167, 210, 0.25);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--brand-deep);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.map-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 167, 210, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 167, 210, 0.06) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.map-placeholder:hover {
    border-color: var(--brand);
    box-shadow: var(--shadow-md);
}

.map-placeholder .ph-icon {
    font-size: 42px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.map-placeholder .ph-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--brand-deep);
    margin-bottom: 4px;
    position: relative;
    z-index: 1;
}

.map-placeholder .ph-desc {
    font-size: 12px;
    color: var(--muted-2);
    position: relative;
    z-index: 1;
}

/* ===== 57. 头像占位符 ===== */
.avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--brand-grad);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: var(--shadow-brand);
}

/* ===== 58. Logo 占位符 ===== */
.logo-placeholder {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-placeholder--footer {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
    margin-bottom: 20px;
}

/* ===== 59. 合作伙伴 Logo 占位符 ===== */
.partner-logo:empty::before {
    content: 'Partner';
    color: var(--muted-3);
    font-weight: 600;
}

/* ===== 60. 响应式占位符 ===== */
@media (max-width: 768px) {
    .img-placeholder--lg { min-height: 260px; padding: 24px; }
    .img-placeholder--xl { min-height: 320px; padding: 28px; }
    .img-placeholder .ph-icon { font-size: 40px; }
    .img-placeholder .ph-title { font-size: 15px; }
    .map-placeholder { min-height: 200px; }
}

/* ===== 61. Header 下拉菜单图标占位符 ===== */
.header .item_2 .icon .icon-placeholder {
    font-size: 22px;
    color: var(--brand-deep);
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* ===== 62. 产品分类卡片 emoji 占位优化 ===== */
.cat-card-icon .emoji,
.cat-tile-icon .emoji {
    font-size: 38px;
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* 当 cat-card-icon 内只有 emoji 时，确保背景为品牌渐变 */
.cat-card-icon:has(.emoji) {
    background: var(--brand-grad-deep);
}

.cat-tile-icon:has(.emoji) {
    background: var(--brand-grad-deep);
}

/* ===== 63. Split Media 占位符（首页 Why Raysko 区域） ===== */
.split-media.img-placeholder {
    min-height: 380px;
}

/* ===== 64. No-image 链接样式 ===== */
a.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--muted-3);
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

a.no-image:hover {
    color: var(--brand);
}

a.no-image:hover .no-image-icon {
    transform: scale(1.1);
    opacity: 0.8;
}

a.no-image .no-image-icon {
    transition: transform 0.3s var(--ease-out);
}

/* =====================================================
   第四轮优化 - 产品详情页：开篇横幅 + 拼接图序列
   一个图拼一个图，逐张滚动入场
   ===================================================== */

/* ===== 开篇横幅：首图 + 左侧动态文字 ===== */
.pd-hero {
    position: relative;
    width: 100%;
    min-height: 78vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #0a1628;
}

.pd-hero__media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.pd-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    animation: pdHeroZoom 12s var(--ease-out) both;
}

@keyframes pdHeroZoom {
    from { transform: scale(1.08); }
    to   { transform: scale(1); }
}

/* 渐变遮罩，保证左侧文字可读 */
.pd-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(90deg, rgba(10, 22, 40, 0.82) 0%, rgba(10, 22, 40, 0.45) 45%, rgba(10, 22, 40, 0.05) 75%, transparent 100%),
        linear-gradient(180deg, rgba(10, 22, 40, 0.2) 0%, transparent 30%, transparent 60%, rgba(10, 22, 40, 0.45) 100%);
    pointer-events: none;
}

/* 面包屑浮动在 hero 背景图左上角，不再单独占一行 */
.pd-hero__breadcrumb {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 3;
    padding: 16px 0;
    background: none;
    border: none;
    margin-top: 0;
}
.pd-hero__breadcrumb .breadcrumb-list {
    color: rgba(255, 255, 255, 0.75);
}
.pd-hero__breadcrumb .breadcrumb-list a {
    color: rgba(255, 255, 255, 0.85);
}
.pd-hero__breadcrumb .breadcrumb-list a:hover {
    color: #fff;
}
.pd-hero__breadcrumb .breadcrumb-list .current {
    color: #fff;
}

.pd-hero__content {
    position: relative;
    z-index: 2;
    max-width: var(--content-w);
    padding: 90px 20px 90px 20px;
}

.pd-hero__content > * {
    color: #fff;
    max-width: 620px;
}

.pd-hero__eyebrow {
    display: inline-block;
    background: rgba(255, 255, 255, 0.14);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 7px 18px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.pd-hero__title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 18px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.pd-hero__tagline {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 18px;
    color: var(--brand-light);
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

.pd-hero__desc {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    margin: 0;
}

/* ===== 拼接图序列：一张接一张，无缝拼接，滚动入场 ===== */
.pd-stitch {
    /* 无外边距、无内边距，让图片首尾相接 */
    margin: 0;
    padding: 0;
    background: #0a1628;
}

.pd-stitch__item {
    margin: 0;
    padding: 0;
    width: 100%;
    line-height: 0; /* 消除图片底部间隙 */
    overflow: hidden;
}

.pd-stitch__item img {
    width: 100%;
    height: auto;
    display: block;
}

/* 滚动入场动效：图片由下方淡入上移 */
.pd-stitch__item[data-animate] {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.pd-stitch__item[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* 开篇横幅左侧动态文字：纯 CSS 自动淡入上移，不依赖 JS 的 .visible。
   即便 scroll-anim.js 未执行/未触发，文字也会出现在图片上。 */
.pd-hero__content [data-animate] {
    opacity: 0;
    transform: translateY(30px);
    animation: pdHeroTextIn 0.8s var(--ease-out) forwards;
}
.pd-hero__content [data-animate] { animation-delay: 0.15s; }
.pd-hero__content [data-animate="1"],
.pd-hero__content [data-animate-delay="1"] { animation-delay: 0.30s; }
.pd-hero__content [data-animate="2"],
.pd-hero__content [data-animate-delay="2"] { animation-delay: 0.50s; }
.pd-hero__content [data-animate="3"],
.pd-hero__content [data-animate-delay="3"] { animation-delay: 0.70s; }

/* JS 若加了 .visible，确保最终态一致，无副作用 */
.pd-hero__content [data-animate].visible {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

@keyframes pdHeroTextIn {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 尊重无障碍：减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
    .pd-hero__content [data-animate] {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .pd-hero { min-height: 70vh; }
    .pd-hero__title { font-size: 48px; }
    .pd-hero__tagline { font-size: 20px; }
}

@media (max-width: 768px) {
    .pd-hero { min-height: 62vh; }
    .pd-hero__overlay {
        background:
            linear-gradient(180deg, rgba(10, 22, 40, 0.3) 0%, transparent 25%, transparent 55%, rgba(10, 22, 40, 0.85) 100%);
    }
    /* 移动端 hero 顶部 overlay 较透，给面包屑加一层顶部渐变兜底可读性；
       同时面包屑下移避开 sticky header（top:0 会被盖住），紧贴 header 下方 */
    .pd-hero__breadcrumb {
        top: 8px;
        background: linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, transparent 100%);
        padding: 12px 0 20px;
    }
    .pd-hero__content { padding: 70px 20px; }
    .pd-hero__title { font-size: 36px; letter-spacing: -1px; }
    .pd-hero__tagline { font-size: 17px; }
    .pd-hero__desc { font-size: 15px; }
    /* 移动端拼接图入场更柔和 */
    .pd-stitch__item[data-animate] { transform: translateY(40px); }
}

/* ===== 28. 板块图标改图片型样式 ===== */
/* .feature-icon / .industry-icon 由图标容器改为图片展示框：
   去掉彩色背景、阴影、旋转，改为固定高度的图片框，方角与全站风格一致。 */
/* 卡片本身去边框、去背景色，图片顶到卡片边缘，整体更大气通透。 */

/* —— feature-card（about/support 页）—— */
.feature-card {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    overflow: visible;
}
.feature-card::after {
    display: none; /* 去掉 hover 品牌色渐变遮罩 */
}
.feature-card .feature-icon {
    width: 100%;
    height: 240px;
    background: none;
    border-radius: 0;
    box-shadow: none;
    margin: 0 0 20px;
    padding: 0;
    display: block;
    overflow: hidden;
    transform: none;
}
.feature-card .feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s var(--ease-out);
}
.feature-card:hover .feature-icon {
    transform: none;
    border-radius: 0;
}
.feature-card:hover .feature-icon img {
    transform: scale(1.06);
}
/* 文字区域恢复内边距（卡片 padding 已清零，靠文字容器自身留白） */
.feature-card .feature-title,
.feature-card .feature-desc {
    padding-left: 4px;
    padding-right: 4px;
}
.feature-card .feature-desc {
    margin-bottom: 8px;
}
/* hover 时不再变白底/上浮（无边框卡片下会突兀），仅保留轻微上浮 */
.feature-card:hover {
    background: transparent !important;
    box-shadow: none !important;
    transform: translateY(-4px);
    border-color: transparent !important;
}

/* Support 页：feature-icon 用内联 SVG 时恢复蓝色圆形图标样式 */
.feature-card .feature-icon svg {
    width: 32px;
    height: 32px;
}
/* Support 页 (page-id-190) 恢复蓝色圆形图标 + 白底卡片 */
.page-id-190 .feature-card {
    background: #fff !important;
    border: 1px solid var(--line-soft) !important;
    border-radius: var(--radius-lg, 16px) !important;
    padding: 40px 30px !important;
    overflow: hidden;
}
.page-id-190 .feature-card:hover {
    box-shadow: var(--shadow-lg) !important;
    border-color: var(--brand-light) !important;
    transform: translateY(-6px);
}
.page-id-190 .feature-card .feature-icon {
    width: 76px !important;
    height: 76px !important;
    background: var(--brand-grad) !important;
    border-radius: 22px !important;
    box-shadow: var(--shadow-brand) !important;
    margin: 0 auto 28px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: visible;
    transform: rotate(0deg);
    transition: all 0.4s var(--ease-out);
}
.page-id-190 .feature-card:hover .feature-icon {
    transform: rotate(-8deg) scale(1.05) !important;
    border-radius: 50% !important;
}

/* —— industry-card（首页/index）—— */
.industry-card {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    overflow: visible;
}
.industry-card::before {
    display: none; /* 去掉顶部彩条 */
}
.industry-card .industry-icon {
    width: 100%;
    height: 240px;
    font-size: 0;
    margin: 0 0 20px;
    padding: 0;
    display: block;
    overflow: hidden;
    transform: none;
}
.industry-card .industry-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s var(--ease-out);
}
.industry-card:hover .industry-icon {
    transform: none;
}
.industry-card:hover .industry-icon img {
    transform: scale(1.06);
}
.industry-card .industry-title,
.industry-card .industry-desc {
    padding-left: 4px;
    padding-right: 4px;
}
.industry-card .industry-desc {
    margin-bottom: 8px;
}
.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: none !important;
    border-color: transparent !important;
}

/* 移动端图片框矮一点 */
@media (max-width: 768px) {
    .feature-card .feature-icon,
    .industry-card .industry-icon { height: 180px; }
}

/* ======================== 产品聚合页 - 分类区块 ======================== */
.cat-section {
    margin-bottom: 56px;
}

.cat-section:last-child {
    margin-bottom: 0;
}

/* 分类标题条 */
.cat-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--line-soft);
}

.cat-section-title-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* 左侧色条装饰 */
.cat-section-bar {
    display: inline-block;
    width: 5px;
    height: 28px;
    border-radius: 3px;
    background: var(--brand-grad-vibrant, linear-gradient(180deg, #00a7d2 0%, #008cb0 100%));
    flex-shrink: 0;
}

.cat-section-title {
    font-size: 24px;
    font-weight: 800;
    margin: 0;
    line-height: 1.2;
}

.cat-section-title a {
    color: var(--ink);
    text-decoration: none;
    transition: color 0.25s ease;
}

.cat-section-title a:hover {
    color: var(--brand);
}

.cat-section-sub {
    font-size: 14px;
    color: var(--muted-2);
    font-weight: 400;
}

.cat-section-link {
    font-size: 14px;
    color: var(--brand);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: gap 0.25s ease, color 0.25s ease;
}

.cat-section-link:hover {
    color: var(--brand-deep);
}

/* ======================== About 页 - Guiding Principles 一排两个 ======================== */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.principle-card {
    padding: 36px 32px;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg, 16px);
    transition: all 0.3s ease;
}

.principle-card:hover {
    border-color: var(--brand-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.principle-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 4px;
}

.principle-sub {
    font-size: 15px;
    color: var(--brand);
    font-weight: 600;
    margin-bottom: 14px;
}

.principle-desc {
    font-size: 15px;
    color: var(--muted-2);
    line-height: 1.6;
}

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

/* 认证只显示3个时居中 */
.badges-grid--three {
    grid-template-columns: repeat(3, 1fr);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 580px) {
    .badges-grid--three {
        grid-template-columns: 1fr;
    }
}

/* 聚合页产品网格：4列 */
.archive .product-grid {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .archive .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .archive .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cat-section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .archive .product-grid {
        grid-template-columns: 1fr;
    }
}