/* ============================================================
   慧听科技 - 科技感样式系统 tech.css
   设计语言：明亮浅色 + 科技蓝主色 + 青蓝高光 + 柔和阴影
   参照 testin.cn 风格：科技、专业、高大上
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
    --c-primary: #0A66FF;          /* 科技主蓝 */
    --c-primary-deep: #0046B4;     /* 深蓝 */
    --c-cyan: #00A3FF;             /* 科技青蓝 */
    --c-accent: #00C2A8;           /* 荧光青绿 */
    --c-light: #F5F8FC;            /* 页面浅底 */
    --c-light-2: #EEF3FA;          /* 次浅 */
    --c-card: #FFFFFF;             /* 卡片底 */
    --c-dark: #0A1628;             /* 深空蓝黑（用于深色文字） */
    --c-text: #1A2B4A;             /* 主文字 */
    --c-text-dim: #4A6280;         /* 次文字 */
    --c-text-mute: #8FA8C8;        /* 弱文字 */
    --c-border: rgba(10, 102, 255, 0.12);
    --c-border-strong: rgba(10, 102, 255, 0.25);
    --c-glow: rgba(10, 102, 255, 0.18);
    --radius: 14px;
    --shadow-card: 0 10px 40px rgba(20, 50, 100, 0.08);
    --shadow-glow: 0 12px 36px rgba(10, 102, 255, 0.14);
    --font-sans: 'PingFang SC', 'Microsoft Yahei', -apple-system, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', 'Courier New', monospace;
}

/* ---------- 全局重置 ---------- */
html.homepage,
html.homepage body {
    background: var(--c-light);
    color: var(--c-text);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

html.homepage {
    scroll-behavior: smooth;
}

html.homepage * {
    box-sizing: border-box;
}

/* 科技感全局背景：浅色网格 + 顶部柔光 */
html.homepage body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(10, 102, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 102, 255, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

html.homepage body::after {
    content: "";
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
    height: 800px;
    background: radial-gradient(ellipse at center, rgba(10, 102, 255, 0.10) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* ---------- 顶部导航 ---------- */
.homepage header {
    position: relative;
    z-index: 10;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.78) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border);
    margin: 0;
}

.homepage .searchbar {
    display: none;
}

.homepage nav.navbar {
    position: relative;
    background: transparent;
    border: 0;
    padding: 0;
    margin: 0 auto;
    min-height: 68px;
    border-radius: 0;
}

.homepage .navbar-header {
    display: flex;
    align-items: center;
    height: 68px;
    padding-left: 8px;
}

.homepage .navbar-brand,
.homepage .navbar-header > a {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    height: 68px;
    padding: 0;
    line-height: 1.1;
    text-decoration: none;
}

.homepage .navbar-brand .brand-cn {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: 4px;
    background: linear-gradient(90deg, var(--c-primary-deep) 0%, var(--c-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 16px rgba(10, 102, 255, 0.12);
}

.homepage .navbar-brand .brand-en {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--c-text-mute);
    padding-left: 14px;
    border-left: 1px solid var(--c-border);
}

.homepage .navbar-brand .brand-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(10, 102, 255, 0.25));
    transition: filter .3s;
}

.homepage .navbar-brand:hover .brand-logo {
    filter: drop-shadow(0 0 12px rgba(10, 102, 255, 0.45));
}

.homepage nav.navbar .nav {
    float: right;
    display: flex;
    align-items: center;
    height: 68px;
    margin: 0;
}

.homepage nav.navbar .nav > li {
    position: relative;
}

.homepage nav.navbar .nav > li > a {
    color: var(--c-text-dim);
    font-size: 15px;
    font-weight: 500;
    padding: 22px 18px;
    text-shadow: none;
    transition: color .25s;
}

.homepage nav.navbar .nav > li > a:hover,
.homepage nav.navbar .nav li.active > a {
    color: var(--c-primary);
    background: transparent;
    text-shadow: none;
}

.homepage nav.navbar .nav > li > a::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 16px;
    height: 2px;
    background: linear-gradient(90deg, var(--c-cyan), var(--c-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s;
}

.homepage nav.navbar .nav > li.active > a::after,
.homepage nav.navbar .nav > li > a:hover::after {
    transform: scaleX(1);
}

/* ---------- Hero 轮播区 ---------- */
/* 注意：不使用 clamp()/max()，改用 calc()+min-height()，兼容旧浏览器，避免整条规则失效 */
/* 轮播高度按 images/6.png 原始比例 4064:1120 推导（另一张 guanwang-lunbo.png 比例 3861:1086，
   高度由 contain 居中显示，两侧余量用其边缘色补齐）。
   不用 aspect-ratio：它在 min-height 生效时会把宽度反向撑大，导致窄屏横向溢出 */
.homepage .bannerslider.banner-page1 {
    position: relative;
    width: 100%;
    height: calc(100vw / 3.6286);
    min-height: 200px;
    overflow: hidden;
    background: transparent;
}

/* bxSlider 包裹结构：.bx-wrapper > .bx-viewport > ul.fullwidthabnner > li */
.homepage .bannerslider .bx-wrapper {
    margin: 0;
    box-shadow: none;
    border: 0;
    background: transparent;
    height: calc(100vw / 3.6286);
    min-height: 200px;
}

.homepage .bannerslider .bx-viewport {
    height: calc(100vw / 3.6286) !important;
    min-height: 200px;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.homepage .fullwidthabnner {
    height: calc(100vw / 3.6286);
    min-height: 200px;
    overflow: hidden;
    margin: 0;
    padding: 0;
    list-style: none;
}

.homepage .fullwidthabnner li {
    position: relative;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center center;
}

/* 第 1 张：images/6.png（原始像素 4064×1120，不缩放变形，contain 居中）
   底层 6_edge_fill.png 由原图左右边缘逐行取色生成，两侧留白与图片边缘严丝合缝 */
.homepage .fullwidthabnner li.hero-slide--a {
    background-image:
        url(../images/6.png),
        url(../images/6_edge_fill.png);
    background-size: contain, 100% 100%;
    background-position: center center, center center;
}

/* 第 2 张：images/guanwang-lunbo.png（原始像素 3861×1086，比例略窄，两侧补底更宽） */
.homepage .fullwidthabnner li.hero-slide--b {
    background-image:
        url(../images/guanwang-lunbo.png),
        url(../images/guanwang-lunbo_edge_fill.png);
    background-size: contain, 100% 100%;
    background-position: center center, center center;
}

.homepage .fullwidthabnner li::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, rgba(10, 22, 40, 0.55) 100%);
    pointer-events: none;
}

.homepage .banner-page1 .container {
    position: relative;
    z-index: 30;
    top: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 0;
}

.homepage .banner-page1 .bg,
.homepage .banner-page1 .logo {
    display: none;
}

.homepage .banner-page1 .title {
    position: static;
    color: #ffffff;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 2px;
    margin-bottom: 14px;
    text-shadow: 0 4px 24px rgba(10, 22, 40, 0.45);
}

.homepage .banner-page1 .title .accent {
    background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.homepage .banner-page1 .txt {
    position: static;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    line-height: 1.8;
    max-width: 640px;
    width: auto;
}

/* Hero 数据条 */
.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.hero-stat .num {
    font-family: var(--font-mono);
    font-size: 38px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1;
}

.hero-stat .num .unit {
    font-size: 18px;
    color: var(--c-cyan);
    margin-left: 4px;
}

.hero-stat .label {
    margin-top: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 1px;
}

/* ---------- 通用区块 ---------- */
.tech-section {
    position: relative;
    z-index: 2;
    padding: 90px 0;
}

.tech-section--tight {
    padding: 60px 0;
}

.tech-section--dark {
    background: var(--c-light-2);
}

/* ---------- 版块分隔线 ---------- */
.tech-divider {
    border: 0;
    height: 1px;
    margin: 30px 0;
    background-image: linear-gradient(90deg,
        transparent 0%,
        rgba(10, 102, 255, 0.3) 20%,
        rgba(10, 102, 255, 0.6) 50%,
        rgba(10, 102, 255, 0.3) 80%,
        transparent 100%);
    position: relative;
}

/* 分隔线中间的发光点 */
.tech-divider::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-primary);
    box-shadow: 0 0 12px var(--c-glow), 0 0 4px var(--c-glow);
}

/* 区块标题 */
.tech-section-head {
    text-align: center;
    margin-bottom: 56px;
}

.tech-section-head .eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--c-primary);
    padding: 6px 16px;
    border: 1px solid var(--c-border-strong);
    border-radius: 20px;
    margin-bottom: 20px;
    background: rgba(10, 102, 255, 0.06);
}

.tech-section-head h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--c-dark);
    margin: 0 0 16px;
    letter-spacing: 1px;
}

.tech-section-head h2 .accent {
    background: linear-gradient(90deg, var(--c-primary), var(--c-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tech-section-head .sub {
    font-size: 16px;
    color: var(--c-text-dim);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ---------- 服务卡片网格 ---------- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tech-card {
    position: relative;
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .35s;
}

.tech-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-cyan), var(--c-primary), var(--c-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s;
}

.tech-card::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(10, 102, 255, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity .4s;
}

.tech-card:hover {
    transform: translateY(-6px);
    border-color: var(--c-border-strong);
    box-shadow: var(--shadow-glow);
}

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

.tech-card:hover::after {
    opacity: 1;
}

.tech-card .card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(10, 102, 255, 0.12), rgba(0, 163, 255, 0.08));
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--c-primary);
    font-size: 24px;
}

.tech-card .card-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(20%) sepia(96%) saturate(2000%) hue-rotate(214deg);
}

.tech-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--c-dark);
    margin: 0 0 12px;
}

.tech-card p {
    font-size: 14px;
    color: var(--c-text-dim);
    line-height: 1.8;
    margin: 0;
}

/* ---------- 统计数字带（轮播图上方独立横条） ---------- */
.tech-stats-strip {
    position: relative;
    z-index: 2;
    background: var(--c-light-2);
    border-bottom: 1px solid var(--c-border);
    padding: 44px 0;
}

/* ---------- 统计数字带 ---------- */
.tech-stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.tech-stat-item .num {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(180deg, var(--c-primary), var(--c-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.tech-stat-item .num .unit {
    -webkit-text-fill-color: var(--c-text-mute);
    color: var(--c-text-mute);
    font-size: 20px;
    margin-left: 4px;
}

.tech-stat-item .label {
    margin-top: 14px;
    font-size: 15px;
    color: var(--c-text-dim);
    letter-spacing: 1px;
}

/* ---------- 热销数据 / 案例瀑布 ---------- */
.tech-data-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tech-data-item {
    position: relative;
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    transition: transform .3s, border-color .3s, box-shadow .3s;
    overflow: hidden;
}

.tech-data-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--c-cyan), var(--c-primary));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform .4s;
}

.tech-data-item:hover {
    transform: translateY(-4px);
    border-color: var(--c-border-strong);
    box-shadow: var(--shadow-glow);
}

.tech-data-item:hover::before {
    transform: scaleY(1);
}

.tech-data-item .item-tit {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 10px;
    line-height: 1.5;
}

.tech-data-item .item-dsc {
    font-size: 14px;
    color: var(--c-text-dim);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 16px;
}

.tech-data-item .item-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--c-primary);
    border: 1px solid var(--c-border-strong);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 14px;
    background: rgba(10, 102, 255, 0.05);
}

/* ---------- CTA 横幅 ---------- */
.tech-cta {
    position: relative;
    border-radius: 20px;
    padding: 64px 48px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(10, 102, 255, 0.9) 0%, rgba(0, 163, 255, 0.85) 100%);
    border: 1px solid var(--c-border-strong);
    color: #ffffff;
}

.tech-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.tech-cta h2 {
    position: relative;
    font-size: 34px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 16px;
}

.tech-cta p {
    position: relative;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 32px;
}

/* ---------- 按钮系统 ---------- */
.tech-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
    border: 0;
    border-radius: 50px;
    text-decoration: none;
    cursor: pointer;
    transition: transform .25s, box-shadow .25s;
    position: relative;
    overflow: hidden;
}

.tech-btn:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(10, 102, 255, 0.35);
}

.tech-btn--ghost {
    background: transparent;
    color: var(--c-primary);
    border: 1px solid var(--c-primary);
}

.tech-btn--ghost:hover {
    background: rgba(10, 102, 255, 0.08);
    color: var(--c-primary);
}

/* ---------- 页脚 ---------- */
.homepage footer {
    background: linear-gradient(180deg, var(--c-light-2), var(--c-light));
    border-top: 1px solid var(--c-border);
    color: var(--c-text-dim);
    padding-top: 56px;
}

.homepage footer > .container {
    padding: 0;
}

.homepage footer h2 {
    color: var(--c-dark);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
}

.homepage footer .footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 18px;
}

.homepage footer .dsc {
    color: var(--c-text-dim);
    line-height: 1.8;
    font-size: 14px;
}

.homepage footer li a {
    color: var(--c-text-dim);
    font-size: 14px;
    line-height: 2;
}

.homepage footer li a:hover {
    color: var(--c-primary);
}

.homepage footer .footer-2 {
    background: rgba(10, 102, 255, 0.04);
    color: var(--c-text-mute);
    padding: 18px 0;
    font-size: 13px;
}

.homepage footer .footer-2 a {
    color: var(--c-text-mute);
}

/* ============================================================
   响应式适配（移动端 H5）
   ============================================================ */

/* 平板 */
@media (max-width: 991px) {
    .homepage .banner-page1 .title {
        font-size: 30px;
    }
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tech-stats-band {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    .tech-data-list {
        grid-template-columns: 1fr;
    }
    .tech-section {
        padding: 60px 0;
    }
    .tech-section-head h2 {
        font-size: 30px;
    }
}

/* 手机 */
@media (max-width: 767px) {
    .homepage header {
        backdrop-filter: blur(8px);
    }

    /* 手机端隐藏英文副标题，避免标题换行 */
    .homepage .navbar-brand .brand-en {
        display: none;
    }

    /* 移动端汉堡菜单 */
    .homepage nav.navbar .nav {
        float: none;
        display: block;
        height: auto;
        background: #ffffff;
        margin: 0 -15px;
        padding: 8px 0;
    }

    .homepage nav.navbar .nav > li {
        border-bottom: 1px solid var(--c-border);
    }

    .homepage nav.navbar .nav > li:last-child {
        border-bottom: 0;
    }

    .homepage nav.navbar .nav > li > a {
        padding: 14px 20px;
        font-size: 15px;
    }

    .homepage nav.navbar .nav > li > a::after {
        display: none;
    }

    .homepage .navbar-toggle {
        background-color: transparent;
        border: 1px solid var(--c-border);
        margin-right: 8px;
        margin-top: 17px;
    }

    .homepage .navbar-toggle .icon-bar {
        background-color: var(--c-primary);
    }

    /* Hero */
    .homepage .bannerslider.banner-page1,
    .homepage .bannerslider.banner-page1 .bx-wrapper,
    .homepage .bannerslider.banner-page1 .bx-viewport,
    .homepage .fullwidthabnner {
        height: calc(100vw / 3.6286) !important;
        min-height: 150px;
    }

    .homepage .banner-page1 .container {
        padding-top: 0;
    }

    .homepage .banner-page1 .title {
        font-size: 22px;
        margin-bottom: 10px;
        letter-spacing: 1px;
    }

    .homepage .banner-page1 .txt {
        font-size: 13px;
        line-height: 1.7;
    }

    .hero-stats {
        gap: 24px;
        margin-top: 32px;
    }

    .hero-stat .num {
        font-size: 28px;
    }

    /* 区块 */
    .tech-section {
        padding: 48px 0;
    }

    .tech-section-head {
        margin-bottom: 36px;
    }

    .tech-section-head h2 {
        font-size: 26px;
    }

    .tech-section-head .sub {
        font-size: 14px;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tech-card {
        padding: 28px 22px;
    }

    .tech-stats-strip {
        padding: 30px 0;
    }

    .tech-stats-band {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .tech-stat-item .num {
        font-size: 36px;
    }

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

    .tech-cta h2 {
        font-size: 24px;
    }

    /* 容器内边距 */
    .homepage .container {
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* 超小屏 */
@media (max-width: 374px) {
    .homepage .banner-page1 .title {
        font-size: 19px;
    }
    .tech-stats-band {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   新闻图片网格区
   ============================================================ */
.homepage .imglist {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.homepage .imglist .imgitem {
    padding: 0;
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--c-border);
    background: var(--c-card);
    box-shadow: var(--shadow-card);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

.homepage .imglist .imgitem:hover {
    transform: translateY(-4px);
    border-color: var(--c-border-strong);
    box-shadow: var(--shadow-glow);
}

.homepage .imglist .imgitem a {
    display: block;
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    border-radius: var(--radius) var(--radius) 0 0;
}

/* 图片下方常驻标题 */
.homepage .imglist .imgitem .title {
    padding: 10px 12px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--c-dark);
    background: var(--c-card);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 新闻图片区响应式 */
@media (max-width: 991px) {
    .homepage .imglist {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .homepage .imglist {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .homepage .imglist .imgitem a {
        height: 130px;
    }
}

@media (max-width: 374px) {
    .homepage .imglist {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   动效：滚动渐入
   ============================================================ */
.tech-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}

.tech-reveal.tech-in {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   数据服务（首页 · 慧听新闻上方）
   参照 images/shujufuwu-shouye.png 复刻：
   浅蓝通栏底 + 右侧淡白斜纹 + PIPELINE 胶囊 + 数据/服务 双色大标题 +
   四条能力（图标 / 标题 / 说明）
   字号与卡片规格对齐首页其余区块（热销数据 / 提供专业服务），
   不随视口等比放大，保持整页排版和谐
   ============================================================ */
.tech-svc-band {
    position: relative;
    z-index: 2;
    margin: 40px calc(50% - 50vw);
    padding: 56px 0 60px;
    scroll-margin-top: 24px;
    background: linear-gradient(90deg,
        #A7D2FE 0%,
        #AAD3FE 32%,
        #AED4FE 58%,
        #B2D6FD 78%,
        #B6D8FC 100%);
    overflow: hidden;
    isolation: isolate;
}

.tech-svc-band,
.tech-svc-band *,
.tech-svc-band *::before,
.tech-svc-band *::after {
    box-sizing: border-box;
}

/* 右侧淡白斜纹底纹：斜边渐入，只覆盖右三分之一 */
.tech-svc-band .svc-tex {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        repeating-linear-gradient(45deg,
            rgba(255, 255, 255, 0) 0,
            rgba(255, 255, 255, 0) 4px,
            rgba(255, 255, 255, 0.86) 4.6px,
            rgba(255, 255, 255, 0) 5.8px,
            rgba(255, 255, 255, 0) 9px),
        repeating-linear-gradient(45deg,
            rgba(255, 255, 255, 0) 0,
            rgba(255, 255, 255, 0) 10px,
            rgba(255, 255, 255, 0.74) 11.4px,
            rgba(255, 255, 255, 0) 12.8px),
        repeating-linear-gradient(45deg,
            rgba(255, 255, 255, 0) 0,
            rgba(255, 255, 255, 0) 23px,
            rgba(255, 255, 255, 0.56) 24.4px,
            rgba(255, 255, 255, 0) 25.4px);
    /* 原图底纹：斜边处较淡，向右、向下渐强（量取自参考图） */
    -webkit-mask-image:
        linear-gradient(to right, rgba(0, 0, 0, 0.52) 58%, rgba(0, 0, 0, 0.98) 100%),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.46) 0, rgba(0, 0, 0, 0.68) 45%, rgba(0, 0, 0, 0.82) 100%);
    -webkit-mask-composite: source-in;
    mask-image:
        linear-gradient(to right, rgba(0, 0, 0, 0.52) 58%, rgba(0, 0, 0, 0.98) 100%),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.46) 0, rgba(0, 0, 0, 0.68) 45%, rgba(0, 0, 0, 0.82) 100%);
    mask-composite: intersect;
    /* 斜边硬切（原图量取）：顶部 x≈597、y175 x≈655、y240 x≈680、底部 x≈736 */
    clip-path: polygon(60.9% 0, 100% 0, 100% 100%, 75% 100%, 69.3% 51.2%, 66.8% 37.3%);
    filter: blur(0.5px);
}

.tech-svc-inner {
    position: relative;
    z-index: 1;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

/* ---------- 头部 ---------- */
.tech-svc-head {
    margin: 0;
}

/* PIPELINE 胶囊 */
.svc-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 190px;
    height: 30px;
    margin: 0 auto;
    border: 1px solid #6BA0DF;
    border-radius: 8px;
    background: #D7E8FA;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.svc-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.14em;
    text-indent: 0.14em;
    color: #3864FF;
}

/* 双色大标题：数据 深空蓝 / 服务 蓝 */
.svc-title {
    margin: 20px 0 12px;
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 1px;
    color: var(--c-dark);
}

.svc-title .t-dark {
    color: var(--c-dark);
}

.svc-title .t-blue {
    /* 与「提供专业」标题的「专业」保持一致：同款实色蓝（原为蓝青渐变，观感偏浅、像是另一种字体） */
    color: #436DFF;
}

.svc-sub {
    max-width: 640px;
    margin: 0 auto;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
    color: #41546B;
}

/* 四条能力 */
.tech-svc-cols {
    display: flex;
    gap: 40px;
    margin-top: 36px;
    text-align: left;
}

.svc-col {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* 图标行：序号与白色图标同一行并排，对齐紧凑 */
.svc-top {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    width: 100%;
}

/* 序号 01–04：大号艺术字（衬线斜体 + 蓝色渐变），与整页标题气质一致 */
.svc-num {
    display: block;
    font-family: Georgia, 'Times New Roman', 'Songti SC', 'STSong', serif;
    font-size: 46px;
    font-weight: 700;
    font-style: italic;
    line-height: 1;
    letter-spacing: 0.02em;
    padding-right: 0.06em;
    background: linear-gradient(135deg, #0A66FF 0%, #00A3FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 6px rgba(10, 102, 255, 0.18));
}

/* 图标：白色卡片（源 62×76），等比缩到 48×59 */
.svc-ico {
    display: block;
    flex: none;
    width: 48px;
    height: 59px;
}

.svc-ico svg {
    display: block;
    width: 100%;
    height: 100%;
}

.svc-col h3 {
    margin: 12px 0 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0;
    color: var(--c-dark);
}

/* 正文：左对齐，与参考图断行观感一致 */
.svc-col p {
    max-width: 230px;
    margin: 8px 0 0;
    text-align: left;
    font-size: 14px;
    line-height: 1.7;
    color: var(--c-text-dim);
}

/* 平板：两列 */
@media (max-width: 991px) {
    .tech-svc-cols {
        flex-wrap: wrap;
        gap: 32px 24px;
    }

    .svc-col {
        flex: 0 0 calc(50% - 12px);
    }
}

/* 手机：单列 */
@media (max-width: 479px) {
    .tech-svc-band {
        padding: 40px 0 44px;
    }

    .svc-title {
        font-size: 30px;
    }

    .svc-sub {
        font-size: 15px;
    }

    .tech-svc-cols {
        flex-direction: column;
        gap: 28px;
        margin-top: 28px;
    }

    .svc-col {
        flex: 1 1 auto;
    }

    .svc-col p {
        max-width: 100%;
    }
}

/* ============================================================
   提供专业服务（首页 · 统计数字带下方）
   参照 images/zhuanyefuwu.png 复刻：
   浅蓝通栏底 + 「提供专业服务」双色大标题 + 蓝色毛笔飞白 +
   居中两行副标题 + 三张白底细边卡片（浅蓝徽标 / 标题 / 三行说明）
   字号与卡片规格对齐首页其余区块（热销数据 / 慧听新闻），
   不随视口等比放大，保持整页排版和谐
   ============================================================ */
.tech-section--band-lead {
    padding: 0 0 60px;
}

.zf-band {
    position: relative;
    z-index: 2;
    padding: 64px 0 56px;
    background: linear-gradient(90deg, #ABD6FF 0%, #B5D9FF 46%, #BFDEFF 100%);
    overflow: hidden;
    isolation: isolate;
}

.zf-band,
.zf-band *,
.zf-band *::before,
.zf-band *::after {
    box-sizing: border-box;
}

.zf-inner {
    position: relative;
    z-index: 1;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

/* ---------- 大标题：提供（黑）+ 专业服务（蓝）+ 毛笔飞白 ---------- */
.zf-title {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: 0;
    font-size: 38px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 1px;
    white-space: nowrap;
    color: #050505;
}

.zf-title .zf-blue {
    color: #436DFF;
}

/* 飞白：紧贴「务」字右侧，按标题字号等比缩放 */
.zf-brush {
    display: block;
    flex: none;
    width: 76px;
    height: 36px;
    /* 原图飞白墨迹紧贴「务」字右侧 */
    margin-left: -3px;
    /* 与汉字字面顶端齐平（行盒顶端到字面顶 ≈ 0.13em） */
    margin-top: 0.13em;
    pointer-events: none;
}

.zf-brush path {
    fill: #436DFF;
}

/* ---------- 副标题 ---------- */
.zf-sub {
    max-width: 720px;
    margin: 16px auto 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
    color: #6B6D6E;
}

/* ---------- 三张卡片 ---------- */
.zf-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
    text-align: left;
}

.zf-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 190px;
    padding: 24px;
    color: inherit;
    text-decoration: none;
    background: #FFFFFF;
    border: 1px solid rgba(10, 102, 255, 0.12);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .35s;
}

.zf-card:hover,
.zf-card:focus {
    color: inherit;
    text-decoration: none;
    transform: translateY(-4px);
    border-color: var(--c-border-strong);
    box-shadow: var(--shadow-glow);
}

/* 浅蓝徽标 44×44 */
.zf-ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #E2ECFE;
}

.zf-card--cyan .zf-ico {
    background: #DAF4F9;
}

.zf-ico svg {
    display: block;
    flex: none;
    height: 20px;
    width: auto;
}

.zf-ico svg path {
    fill: #5FA4FA;
}

.zf-card--cyan .zf-ico svg path {
    fill: #22CFEC;
}

.zf-card h3 {
    margin: 14px 0 10px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0;
    color: var(--c-dark);
}

/* 副标题 / 说明：与原图断行一致（逐行 span） */
.zf-card p {
    margin: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--c-text-dim);
}

.zf-line {
    display: block;
}

/* 平板：卡片变窄，取消强制断行，交给容器自然折行 */
@media (max-width: 991px) {
    .zf-title {
        font-size: 34px;
    }

    .zf-brush {
        width: 68px;
        height: 32.2px;
        margin-left: -3px;
    }

    .zf-cards {
        gap: 18px;
    }

    .zf-line {
        display: inline;
    }
}

@media (max-width: 767px) {
    .tech-section--band-lead {
        padding: 0 0 40px;
    }

    .zf-band {
        padding: 40px 0 30px;
    }

    .zf-inner {
        padding: 0 20px;
    }

    .zf-title {
        font-size: 30px;
        line-height: 1.2;
    }

    .zf-brush {
        width: 60px;
        height: 28.4px;
        margin-left: -2px;
    }

    .zf-sub {
        max-width: 100%;
        margin-top: 14px;
        font-size: 15px;
        line-height: 1.7;
    }

    .zf-cards {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 24px;
    }

    .zf-card {
        min-height: 0;
        padding: 20px;
    }

    .zf-ico {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    .zf-ico svg {
        height: 18px;
    }

    .zf-card h3 {
        margin: 12px 0 8px;
    }

    .zf-card p {
        font-size: 14px;
        line-height: 1.7;
    }

    /* 手机上取消强制断行，交给容器自然折行 */
    .zf-line {
        display: inline;
    }
}

@media (max-width: 479px) {
    .zf-title {
        font-size: 26px;
    }

    .zf-brush {
        width: 52px;
        height: 24.6px;
        margin-left: -2px;
    }

    .zf-sub {
        font-size: 14px;
    }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
    .tech-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .tech-card, .tech-data-item, .zf-card {
        transition: none;
    }
}

/* ============================================================
   子页面内容容器：明亮科技卡片
   覆盖 index.css 里的白色背景
   ============================================================ */

/* 通用面板：listpanel / newspanel / viewpanel */
.homepage .listpanel,
.homepage .newspanel,
.homepage .viewpanel {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    color: var(--c-text-dim);
    box-shadow: var(--shadow-card);
}

/* 面板内链接颜色 */
.homepage .listpanel a,
.homepage .newspanel a,
.homepage .viewpanel a {
    color: var(--c-primary);
}

/* 面板内标题 */
.homepage .listpanel .newsitem .tit,
.homepage .newspanel .newsitem .tit,
.homepage .listpanel .newsitem .tit a {
    color: var(--c-dark);
}

/* 分页容器 */
.homepage .list-pagination {
    color: var(--c-text-dim);
}

/* 表格样式 */
.homepage .viewpanel table,
.homepage .listpanel table {
    background-color: transparent;
    color: var(--c-text-dim);
}

.homepage .viewpanel table > thead > tr > th,
.homepage .viewpanel table > thead > tr > td,
.homepage .viewpanel table > tbody > tr > th,
.homepage .viewpanel table > tbody > tr > td,
.homepage .viewpanel table > tfoot > tr > th,
.homepage .viewpanel table > tfoot > tr > td {
    border-top: 1px solid var(--c-border);
    color: var(--c-text-dim);
}

.homepage .viewpanel table > thead > tr > th {
    border-bottom: 1px solid var(--c-border);
    color: var(--c-dark);
}

.homepage .viewpanel table-striped > tbody > tr:nth-of-type(odd) {
    background-color: rgba(10, 102, 255, 0.03);
}

/* breadcrumb 面包屑 */
.homepage .breadcrumb {
    background-color: transparent;
    color: var(--c-text-dim);
}

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

/* 子页面标题 */
.homepage .page-title h1 {
    color: var(--c-dark);
}

/* 新闻列表项 */
.homepage .newspanel .newsitem {
    border-top: 1px solid var(--c-border);
}

.homepage .newspanel .newsitem:first-child {
    border-top: 0;
}

/* 推荐区图片网格 */
.homepage .htnews .imagelist .imageitem {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.homepage .htnews .imagelist .imageitem .title {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--c-dark);
}

/* 侧边栏 subnav */
.homepage .subnav,
.homepage #column .subnav {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    color: var(--c-text);
}

/* 缩略图边框 */
.homepage .img-thumbnail {
    background-color: var(--c-card);
    border: 1px solid var(--c-border);
}

/* well / panel 等通用组件 */
.homepage .well,
.homepage .panel,
.homepage .panel-body {
    background-color: var(--c-card);
    border: 1px solid var(--c-border);
    color: var(--c-text-dim);
}

/* alert 提示框 */
.homepage .alert {
    background-color: var(--c-card);
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

/* ============================================================
   侧栏菜单 list-group：明亮科技卡片
   ============================================================ */
.homepage .list-group,
.homepage .sidemenu {
    background: transparent;
    border: 0;
    border-radius: var(--radius);
}

.homepage .list-group-item,
.homepage .sidemenu .list-group-item {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: 0;
    color: var(--c-text-dim);
    margin-bottom: 0;
    transition: all .25s;
}

.homepage .list-group-item:first-child,
.homepage .sidemenu .list-group-item:first-child {
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
}

.homepage .list-group-item:last-child,
.homepage .sidemenu .list-group-item:last-child {
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
}

.homepage .list-group-item:hover,
.homepage .sidemenu .list-group-item:hover,
.homepage .sidemenu .list-group-item.active,
.homepage .sidemenu .list-group-item.active:focus,
.homepage .sidemenu .list-group-item.active:hover {
    background: linear-gradient(135deg, rgba(10, 102, 255, 0.08), rgba(0, 163, 255, 0.05));
    border-color: var(--c-border-strong);
    color: var(--c-primary);
}

.homepage .sidemenu .list-group-item a,
.homepage .sidemenu .list-group-item.active a {
    color: inherit;
}

/* ============================================================
   其他可能残留深色背景的元素
   ============================================================ */

/* 缩略图 thumbnails */
.homepage .thumbnail,
.homepage .img-thumbnail {
    background-color: var(--c-card);
    border: 1px solid var(--c-border);
}

/* jumbotron */
.homepage .jumbotron {
    background-color: var(--c-card);
    color: var(--c-dark);
}

/* 分页 pagination */
.homepage .pagination > li > a,
.homepage .pagination > li > span {
    color: var(--c-text-dim);
    background-color: var(--c-card);
    border: 1px solid var(--c-border);
}

.homepage .pagination > li > a:hover,
.homepage .pagination > li > span:hover {
    background-color: rgba(10, 102, 255, 0.06);
    color: var(--c-primary);
}

.homepage .pagination > .active > a,
.homepage .pagination > .active > span,
.homepage .pagination > .active > a:hover,
.homepage .pagination > .active > span:hover {
    background-color: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}

/* page-header */
.homepage .page-header {
    border-bottom: 1px solid var(--c-border);
    color: var(--c-dark);
}

/* 表单控件 */
.homepage .form-control {
    background-color: var(--c-card);
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

.homepage .form-control:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 8px rgba(10, 102, 255, 0.2);
}

.homepage .form-control::placeholder {
    color: var(--c-text-mute);
}
