/* ==========================================================================
   微纳感知（合肥）技术有限公司 - 企业官网静态模板
   品牌色：#ed6c00 → #c55900 渐变蓝 / 突出色 #57b541 橙 / 正黑
   ========================================================================== */

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background: #fff;
    line-height: 1.6;
    overflow-x: hidden;
    /* 粘性页脚：内容不满一屏时 footer 始终贴底 */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

footer.footer {
    margin-top: auto;
}

img {
    max-width: 100%;
    display: block;
    border: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease;
}

a:hover {
    color: #ed6c00;
}

ul,
ol {
    list-style: none;
}

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: transparent;
}

:root {
    --brand: #ed6c00;
    --brand-dark: #c55900;
    --brand-light: #f08c40;
    --accent: #57b541;
    --accent-dark: #459033;
    --navy: #171410;
    --navy-2: #1c1914;
    --gray-1: #f6f8fb;
    --gray-2: #eef2f7;
    --gray-3: #cbd3dd;
    --gray-text: #717071;
    --text: #111111;
    --radius: 6px;
    --shadow-sm: 0 4px 12px rgba(20, 10, 0, .06);
    --shadow-md: 0 10px 30px rgba(20, 10, 0, .1);
    --shadow-lg: 0 20px 60px rgba(20, 10, 0, .15);
    --brand-gradient: linear-gradient(135deg, #ed6c00 0%, #c55900 100%);
    --container: 1480px;
}

/* ---------- 通用容器 ---------- */
.container {
    width: 92%;
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-sm {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title .en {
    display: block;
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 13px;
    color: var(--brand);
    letter-spacing: 3px;
    text-transform: none;
    margin-bottom: 14px;
}

.section-title h2 {
    font-size: 38px;
    color: var(--text);
    font-weight: 700;
    position: relative;
    display: inline-block;
    padding-bottom: 18px;
}

.section-title h2::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    background: var(--brand);
    border-radius: 3px;
}

.section-title p {
    margin-top: 20px;
    color: var(--gray-text);
    font-size: 16px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

/* 主调按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    transition: all .25s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background: var(--brand-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(237, 108, 0, .35);
}

.btn-outline {
    border-color: var(--brand);
    color: var(--brand);
}

.btn-outline:hover {
    background: var(--brand);
    color: #fff;
}

.btn-light {
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border-color: rgba(255, 255, 255, .35);
    backdrop-filter: blur(4px);
}

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

/* ---------- 顶部导航 ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    z-index: 1000;
    transition: background .3s ease, box-shadow .3s ease;
    background: transparent;
}

.nav .nav-inner {
    height: 100%;
    width: 92%;
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: #fff;
    font-size: 18px;
    height: 100%;
}

.nav .logo img {
    height: 38px;
    transition: opacity .25s ease;
}

.nav .logo .logo-w {
    display: block;
}

.nav .logo .logo-b {
    display: none;
}

.nav .menu {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.nav .menu>li {
    position: relative;
    height: 64px;
    display: flex;
    align-items: center;
}

.nav .menu>li>a {
    color: #fff;
    font-size: 15px;
    padding: 0 18px;
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    font-weight: 500;
}

.nav .menu>li>a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 8px;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    width: 24px;
    height: 2px;
    background: var(--brand);
    transition: transform .3s ease;
}

.nav .menu>li.active>a::after,
.nav .menu>li:hover>a::after {
    transform: translateX(-50%) scaleX(1);
}

.nav .submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 180px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transition: all .25s ease;
}

.nav .menu>li:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav .submenu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #444;
    white-space: nowrap;
    text-align: center;
}

.nav .submenu li a:hover {
    background: var(--gray-1);
    color: var(--brand);
}

.nav .lang {
    margin-left: 18px;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, .4);
    color: #fff;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}

.nav .lang:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

/* ── 内页导航：默认透明 + 深色文字（悬浮在浅色 Banner 上）── */
.nav.nav-inner .menu > li > a {
    color: var(--text);
}

.nav.nav-inner .logo .logo-w { display: none; }
.nav.nav-inner .logo .logo-b { display: block; }
.nav.nav-inner .menu-toggle span { background: var(--text); }

/* 滚动后导航 — 半透明毛玻璃渐变 */
.nav.scrolled,
.nav.solid {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, .92) 0%,
        rgba(244, 249, 255, .86) 100%
    );
    backdrop-filter: blur(24px) saturate(160%) brightness(1.12);
    -webkit-backdrop-filter: blur(24px) saturate(160%) brightness(1.12);
    box-shadow: 0 2px 20px rgba(20, 10, 0, .08),
                inset 0 -1px 0 rgba(237, 108, 0, .08);
}

.nav.scrolled .logo,
.nav.solid .logo {
    color: var(--text);
}

.nav.scrolled .logo .logo-w,
.nav.solid .logo .logo-w {
    display: none;
}

.nav.scrolled .logo .logo-b,
.nav.solid .logo .logo-b {
    display: block;
}

.nav.scrolled .menu>li>a,
.nav.solid .menu>li>a {
    color: var(--text);
}

.nav.scrolled .lang,
.nav.solid .lang {
    color: var(--brand);
    border-color: var(--brand);
}

.nav.scrolled .menu-toggle span,
.nav.solid .menu-toggle span {
    background: var(--text);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all .3s ease;
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ---------- 内页通用Banner ---------- */
/* ── 内页 Banner：浅色几何渐变 ── */
.page-banner {
    position: relative;
    min-height: 320px;
    margin-top: 0;
    background: #fff8f0;
    color: var(--text);
    overflow: hidden;
    /* Flexbox 上下左右均居中，nav 高度用 padding-top 补偿 */
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 64px;   /* 补偿固定导航栏高度 */
    padding-bottom: 0;
}

/* 软光晕几何渐变（多层叠加，形成不规则构图）*/
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 90% at 88% 50%, rgba(237, 108, 0, .11) 0%, transparent 58%),
        radial-gradient(ellipse 40% 55% at -4% 105%, rgba(240, 140, 64, .09) 0%, transparent 52%),
        radial-gradient(circle at 28% -18%, rgba(237, 108, 0, .08) 0%, transparent 48%),
        radial-gradient(ellipse 20% 30% at 55% 80%, rgba(237, 108, 0, .04) 0%, transparent 50%);
    z-index: 0;
}

/* 背景几何线条（SVG data-uri：斜线 + 弧线 + 角标）*/
.page-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1400 420'%3E%3Cline x1='0' y1='420' x2='560' y2='0' stroke='rgba(237,108,0,0.045)' stroke-width='1'/%3E%3Cline x1='220' y1='420' x2='780' y2='0' stroke='rgba(237,108,0,0.03)' stroke-width='1'/%3E%3Ccircle cx='1400' cy='0' r='420' fill='none' stroke='rgba(237,108,0,0.045)' stroke-width='1'/%3E%3Ccircle cx='1400' cy='0' r='290' fill='none' stroke='rgba(237,108,0,0.05)' stroke-width='1'/%3E%3Ccircle cx='1400' cy='0' r='180' fill='none' stroke='rgba(237,108,0,0.04)' stroke-width='1'/%3E%3Cline x1='0' y1='370' x2='110' y2='370' stroke='rgba(237,108,0,0.08)' stroke-width='1'/%3E%3Cline x1='0' y1='370' x2='0' y2='260' stroke='rgba(237,108,0,0.08)' stroke-width='1'/%3E%3Cline x1='1290' y1='0' x2='1400' y2='0' stroke='rgba(237,108,0,0.06)' stroke-width='1'/%3E%3Cline x1='1400' y1='0' x2='1400' y2='110' stroke='rgba(237,108,0,0.06)' stroke-width='1'/%3E%3C/svg%3E");
    background-size: 100% 100%;
    z-index: 0;
}

/* 右侧专属几何装饰：底部与 desc 下方对齐 */
.banner-geo {
    position: absolute;
    right: 5%;
    bottom: 48px;   /* = padding-bottom，与 desc 底部平齐 */
    width: 200px;
    height: 200px;
    z-index: 2;
    opacity: .75;
    pointer-events: none;
}

.banner-geo svg {
    width: 100%;
    height: 100%;
}

@media (max-width: 1100px) {
    .banner-geo { width: 150px; height: 150px; opacity: .5; bottom: 28px; }
}

@media (max-width: 900px) {
    .banner-geo { display: none; }
}

/* 容器：普通块级流，内容左对齐（与 logo 左边齐），上下加适当内边距 */
.page-banner .container {
    position: relative;
    z-index: 2;
    width: 92%;
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-top: 52px;
    padding-bottom: 52px;
}

/* 英文装饰大字：绝对定位到背景层，不占文档流 */
.page-banner .en-title {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(72px, 9vw, 128px);
    font-weight: 900;
    color: rgba(237, 108, 0, .08);
    line-height: 1;
    letter-spacing: -2px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    user-select: none;
}

/* 面包屑 */
.page-banner .breadcrumb {
    position: relative;
    z-index: 1;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--gray-text);
    margin-bottom: 22px;
}

.page-banner .breadcrumb a {
    color: var(--gray-text);
}

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

/* 主标题 */
.page-banner h1 {
    position: relative;
    z-index: 1;
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 1px;
    margin-bottom: 0;
    color: var(--text);
}

/* 描述文字 */
.page-banner .desc {
    position: relative;
    z-index: 1;
    margin-top: 16px;
    max-width: 560px;
    font-size: 15px;
    color: var(--gray-text);
    line-height: 1.8;
}

/* ---------- 首页 hero ---------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 640px;
    color: #fff;
    background: linear-gradient(120deg, #0d0b08 0%, #1c1914 50%, #ed6c00 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(800px 500px at 15% 20%, rgba(87, 181, 65, .22), transparent 60%),
        radial-gradient(900px 600px at 85% 70%, rgba(240, 140, 64, .28), transparent 60%);
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, #000 50%, transparent 90%);
}

.hero .hero-inner {
    position: relative;
    z-index: 2;
    width: 92%;
    max-width: 1320px;
    margin: 0 auto;
    text-align: center;
}

.hero .pre-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 999px;
    font-size: 13px;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 28px;
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 18px;
    letter-spacing: 2px;
    text-shadow: 0 4px 24px rgba(0, 0, 0, .3);
}

.hero h1 .accent {
    background: linear-gradient(90deg, #57b541, #7dc967 55%, #b8e0ab);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero .en-line {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 24px;
    letter-spacing: 6px;
    color: rgba(255, 255, 255, .55);
    margin-bottom: 28px;
}

.hero .lead {
    font-size: 18px;
    color: rgba(255, 255, 255, .9);
    max-width: 760px;
    margin: 0 auto 40px;
}

.hero .actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero .scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, .8);
    font-size: 12px;
    letter-spacing: 2px;
    z-index: 2;
}

.hero .scroll-down i {
    display: block;
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, .6);
    margin: 8px auto 0;
    position: relative;
    overflow: hidden;
}

.hero .scroll-down i::after {
    content: "";
    position: absolute;
    top: -20px;
    left: 0;
    width: 1px;
    height: 20px;
    background: #57b541;
    animation: scrollDown 1.6s ease-in-out infinite;
}

@keyframes scrollDown {

    0% {
        top: -20px;
    }

    100% {
        top: 100%;
    }
}

/* ---------- 行业领航者 / About 区块 ---------- */
.about-block {
    background: #fff;
    position: relative;
    overflow: hidden;
}

.about-block .grid {
    display: grid;
    /* 两列：左1.1fr，右1fr；两行：行1=标题区(auto)，行2=内容区(auto) */
    grid-template-columns: 1.1fr 1fr;
    grid-template-rows: auto auto;
    column-gap: 70px;
    row-gap: 0;
}

/* 左列标题区：第1行第1列 */
.about-head {
    grid-column: 1;
    grid-row: 1;
    padding-bottom: 24px;
}

/* 左列内容区：第2行第1列 */
.about-body {
    grid-column: 1;
    grid-row: 2;
}

/* 右侧卡片：第2行第2列，与内容区顶底精确对齐 */
.about-block .right {
    grid-column: 2;
    grid-row: 2;
    align-self: stretch;
}

.about-head .en {
    font-family: "Arial Black", Arial, sans-serif;
    color: var(--brand);
    letter-spacing: 4px;
    font-size: 14px;
    margin-bottom: 14px;
    display: block;
}

.about-head h2 {
    font-size: 40px;
    color: var(--text);
    font-weight: 700;
    margin-bottom: 0;
    line-height: 1.3;
}

.about-body p {
    color: var(--gray-text);
    font-size: 16px;
    line-height: 2;
    margin-bottom: 30px;
    margin-top: 0;
}

.about-block .stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 36px;
}

.stat {
    background: var(--gray-1);
    padding: 28px 24px;
    border-radius: var(--radius);
    border-left: 3px solid var(--brand);
    transition: all .25s ease;
}

.stat:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat .num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 38px;
    color: var(--brand);
    line-height: 1;
}

.stat .num sup {
    font-size: 14px;
    color: var(--text);
    margin-left: 4px;
    vertical-align: super;
    font-weight: 600;
}

.stat .label {
    margin-top: 8px;
    color: var(--gray-text);
    font-size: 14px;
}

.about-block .right {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #171410, #ed6c00);
    padding: 40px;
    color: #fff;
}

.about-block .right .badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .15);
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.about-block .right h3 {
    font-size: 28px;
    margin-bottom: 14px;
    line-height: 1.4;
    font-weight: 700;
}

.about-block .right p {
    color: rgba(255, 255, 255, .85);
    font-size: 14px;
    line-height: 1.9;
}

.about-block .right .big-en {
    position: absolute;
    bottom: -30px;
    right: -10px;
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 130px;
    color: rgba(255, 255, 255, .08);
    line-height: 1;
}

/* ---------- 应用场景区块 ---------- */
.business {
    background: var(--gray-1);
    background-image:
        radial-gradient(circle at 90% 10%, rgba(237, 108, 0, .08), transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(87, 181, 65, .06), transparent 40%);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.biz-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    transition: all .35s ease;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.biz-card .thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: linear-gradient(135deg, #1c1914, #ed6c00);
}

.biz-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}

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

.biz-card .thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 25, 53, .85));
}

.biz-card .thumb .en {
    position: absolute;
    top: 18px;
    left: 18px;
    color: rgba(255, 255, 255, .85);
    font-family: "Arial Black", Arial, sans-serif;
    letter-spacing: 1px;
    font-size: 12px;
    z-index: 1;
}

.biz-card .info {
    padding: 22px 24px 28px;
    position: relative;
}

.biz-card .info h3 {
    font-size: 20px;
    color: var(--text);
    font-weight: 700;
    margin-bottom: 8px;
    transition: color .25s ease;
}

.biz-card .info p {
    color: var(--gray-text);
    font-size: 13px;
    letter-spacing: 1px;
}

.biz-card .info .more {
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gray-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--brand);
    transition: all .25s ease;
}

.biz-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.biz-card:hover .info h3 {
    color: var(--brand);
}

.biz-card:hover .info .more {
    background: var(--brand);
    color: #fff;
    transform: translateY(-50%) rotate(-45deg);
}

/* ---------- 新闻区块 ---------- */
.news-block {
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .3s ease;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.news-card .thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #ed6c00, #171410);
    position: relative;
}

.news-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}

.news-card:hover .thumb img {
    transform: scale(1.06);
}

.news-card .info {
    padding: 24px 26px 28px;
}

.news-card .date {
    color: var(--brand);
    font-family: "Arial", sans-serif;
    font-size: 13px;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.news-card h3 {
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s ease;
}

.news-card:hover h3 {
    color: var(--brand);
}

.news-card .read-more {
    margin-top: 16px;
    color: var(--gray-text);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-card:hover .read-more {
    color: var(--brand);
}

/* ---------- 页脚 ---------- */
.footer {
    background: linear-gradient(180deg, #171410 0%, #060d1e 100%);
    color: rgba(255, 255, 255, .75);
    padding: 70px 0 0;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(800px 400px at 20% 0%, rgba(237, 108, 0, .16), transparent 60%),
        radial-gradient(800px 400px at 80% 100%, rgba(87, 181, 65, .08), transparent 60%);
    pointer-events: none;
}

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

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 2fr 1fr;
    gap: 60px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand-row {
    display: flex;
    align-items: flex-start;
    gap: 36px;
}

.footer-brand-copy {
    flex: 0 1 auto;
    min-width: 0;
}

.footer-brand .slogan {
    font-family: "Arial Black", sans-serif;
    font-size: 36px;
    color: #fff;
    line-height: 1.2;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.footer-brand p {
    color: rgba(255, 255, 255, .65);
    font-size: 14px;
    line-height: 1.9;
    max-width: 400px;
    margin: 0;
}

.footer-brand-qr {
    flex-shrink: 0;
    margin-top: 0;
    align-self: flex-start;
    width: 120px;
    height: 120px;
    line-height: 0;
}

.footer-brand-qr img {
    display: block;
    width: 120px;
    height: 120px;
    max-width: 120px;
    max-height: 120px;
    object-fit: contain;
    border-radius: 6px;
    background: #fff;
    padding: 3px;
    box-sizing: border-box;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-links h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 18px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--brand);
}

.footer-links ul li {
    margin-bottom: 10px;
    font-size: 13px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, .65);
}

.footer-links ul li a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-contact h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 18px;
    font-weight: 600;
    padding-bottom: 10px;
    position: relative;
}

.footer-contact h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--brand);
}

.footer-contact p {
    font-size: 13px;
    color: rgba(255, 255, 255, .7);
    line-height: 2;
}

.footer-contact .phone {
    font-family: "Arial", sans-serif;
    font-size: 22px;
    color: #fff;
    font-weight: 600;
    margin-top: 10px;
}

.footer-bottom {
    padding: 26px 0;
    text-align: center;
    color: rgba(255, 255, 255, .5);
    font-size: 12px;
    letter-spacing: 1px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, .5);
}

.footer-bottom a:hover {
    color: #fff;
}

/* 返回顶部按钮 */
.to-top {
    position: fixed;
    right: 24px;
    bottom: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--brand-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: all .3s ease;
    z-index: 999;
    box-shadow: 0 6px 18px rgba(237, 108, 0, .35);
    font-size: 20px;
}

.to-top.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.to-top:hover {
    background: var(--brand-dark);
    color: #fff;
}

/* ========================================================================== */
/* Hero 幻灯片                                                                 */
/* ========================================================================== */
.hero-slider {
    background: #0d0b08;
}

.hero-slider::before,
.hero-slider::after {
    display: none;
}

.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
    z-index: 0;
}

.slide-bg.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .58);
    z-index: 1;
}

.hero-slider .hero-inner {
    position: relative;
    z-index: 3;
    display: grid;
}

.slide-content {
    grid-area: 1 / 1;
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .9s ease, transform .9s ease;
    pointer-events: none;
}

.slide-content.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* 底部控制条 */
.slider-bar {
    position: absolute;
    bottom: 44px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    width: 92%;
    max-width: 1320px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.slider-nums {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: "Arial Black", Arial, sans-serif;
}

.s-curr {
    font-size: 32px;
    color: #fff;
    line-height: 1;
    letter-spacing: 2px;
}

.s-progress {
    width: 80px;
    height: 2px;
    background: rgba(255, 255, 255, .25);
    border-radius: 2px;
    overflow: hidden;
}

.s-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: none;
}

.s-total {
    font-size: 18px;
    color: rgba(255, 255, 255, .5);
    line-height: 1;
    letter-spacing: 2px;
}

.slider-dots {
    display: flex;
    gap: 8px;
    align-items: center;
}

.slider-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .35);
    cursor: pointer;
    border: none;
    padding: 0;
    transition: all .3s ease;
}

.slider-dots .dot.active {
    background: var(--accent);
    width: 28px;
    border-radius: 4px;
}

.slider-arrows {
    display: flex;
    gap: 0;
}

.s-prev,
.s-next {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .3);
    color: #fff;
    font-size: 26px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all .25s ease;
    background: rgba(255, 255, 255, .08);
    backdrop-filter: blur(4px);
    line-height: 1;
    margin-left: 8px;
}

.s-prev:hover,
.s-next:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* ========================================================================== */
/* 桌面端 Mega 导航                                                             */
/* ========================================================================== */
@media (min-width: 901px) {
    .nav .menu>li:hover .submenu {
        opacity: 0 !important;
        visibility: hidden !important;
        transform: translateX(-50%) translateY(10px) !important;
    }

    .mega-menu {
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        /* 毛玻璃：渐变晕染 */
        background: linear-gradient(
            180deg,
            rgba(255, 255, 255, .88) 0%,
            rgba(240, 247, 255, .80) 100%
        );
        backdrop-filter: blur(28px) saturate(170%) brightness(1.1);
        -webkit-backdrop-filter: blur(28px) saturate(170%) brightness(1.1);
        box-shadow: 0 16px 48px rgba(20, 10, 0, .10),
                    inset 0 1px 0 rgba(255, 255, 255, .8);
        padding: 32px 0;
        opacity: 0;
        visibility: hidden;
        transition: opacity .22s ease, visibility .22s ease;
        z-index: 998;
        border-top: 2px solid var(--brand);
    }

    .nav.mega-open .mega-menu {
        opacity: 1;
        visibility: visible;
    }

    /* mega-inner：定位参考系，slot 用绝对定位锚定到对应 li */
    .mega-inner {
        position: relative;
        width: 100%;
        /* height 由 JS 设置 */
    }

    /* 每个 slot 对应一个 li，left/width 由 JS 精确设置 */
    .mega-slot {
        position: absolute;
        top: 0;
        text-align: center;
    }

    /* mega-col：普通流布局，在 slot 内自然居中 */
    .mega-col {
        padding: 0 8px;
        text-align: center;
    }

    /* 一级导航标题及分割线已隐藏 */
    .mega-col-title {
        display: none;
    }

    .mega-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .mega-col ul li {
        text-align: center;
    }

    .mega-col ul li a {
        display: inline-block;
        padding: 7px 0;
        font-size: 14px;
        color: #444;
        white-space: nowrap;
        transition: color .2s ease, padding-left .2s ease;
    }

    .mega-col ul li a:hover {
        color: var(--brand);
    }
}

@media (max-width: 900px) {
    .mega-menu {
        display: none !important;
    }
}

/* ---------- 通用工具 ---------- */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mt-40 {
    margin-top: 40px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* 滚入动画 */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .8s ease, transform .8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .about-block .grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: 0;
        row-gap: 0;
    }

    .about-head {
        grid-column: 1;
        grid-row: 1;
        padding-bottom: 20px;
    }

    .about-body {
        grid-column: 1;
        grid-row: 2;
        padding-bottom: 32px;
    }

    .about-block .right {
        grid-column: 1;
        grid-row: 3;
        align-self: auto;
    }

    .nav .menu>li>a {
        padding: 0 12px;
    }
}

@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }

    .nav .menu {
        position: fixed;
        top: 64px;
        right: -100%;
        width: 78%;
        max-width: 320px;
        height: calc(100vh - 80px);
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px;
        overflow-y: auto;
        transition: right .35s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, .15);
    }

    .nav .menu.open {
        right: 0;
    }

    .nav .menu>li {
        height: auto;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--gray-2);
    }

    .nav .menu>li>a {
        color: var(--text) !important;
        height: auto;
        padding: 16px 12px;
    }

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

    .nav .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-1);
        border-radius: 6px;
        margin-bottom: 10px;
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease, padding .3s ease;
        padding: 0;
    }

    .nav .menu>li.open .submenu {
        max-height: 600px;
        padding: 6px 0;
    }

    .nav .submenu li a {
        text-align: left;
        padding: 8px 18px;
    }

    .nav .lang {
        margin: 16px 12px 6px;
        text-align: center;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero .lead {
        font-size: 16px;
    }

    .page-banner {
        padding-top: 64px;
        padding-bottom: 0;
        min-height: 260px;
    }

    .page-banner .en-title {
        font-size: clamp(48px, 12vw, 80px);
        opacity: .7;
    }

    .page-banner h1 {
        font-size: 32px;
    }

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

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

    .section {
        padding: 70px 0;
    }
}

@media (max-width: 600px) {
    .business-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 34px;
    }

    .hero .en-line {
        font-size: 16px;
        letter-spacing: 4px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .about-head h2 {
        font-size: 28px;
    }
}

/* ========================================================================== */
/* 合作伙伴 Logo 滚动带                                                         */
/* ========================================================================== */
.partners-ticker {
    background: rgba(255, 255, 255, .55);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, .4);
    border-bottom: 1px solid rgba(20, 10, 0, .06);
    padding: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    height: 90px;
}

/* 左侧标签 */
.ticker-label {
    flex: 0 0 auto;
    padding: 0 28px 0 40px;
    font-size: 12px;
    font-weight: 700;
    color: var(--brand);
    letter-spacing: 3px;
    text-transform: uppercase;
    white-space: nowrap;
    border-right: none;
    height: 100%;
    display: flex;
    align-items: center;
    background: transparent;
    position: relative;
    z-index: 2;
}

/* 滚动视口 */
.ticker-viewport {
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* 左右渐隐遮罩 */
.ticker-viewport::before,
.ticker-viewport::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}

.ticker-viewport::before {
    left: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, .55) 20%, transparent);
}

.ticker-viewport::after {
    right: 0;
    background: linear-gradient(to left, rgba(255, 255, 255, .55) 20%, transparent);
}

/* 滚动轨道 */
.ticker-track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: tickerScroll 32s linear infinite;
}

.ticker-track:hover {
    animation-play-state: paused;
}

@keyframes tickerScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* 单个 Logo 项 */
.ticker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 48px;
    height: 90px;
    white-space: nowrap;
    cursor: default;
    transition: background .2s ease;
}

.ticker-item:hover {
    background: var(--gray-1);
}

.ticker-item .t-mark {
    font-size: 20px;
    line-height: 1;
}

.ticker-item .t-cn {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 1px;
}

.ticker-item .t-en {
    font-family: "Arial Black", Arial, sans-serif;
    font-weight: 700;
    line-height: 1;
}

@media (max-width: 600px) {
    .ticker-label {
        padding: 0 16px;
        font-size: 10px;
    }

    .ticker-item {
        padding: 0 28px;
    }
}

/* ========================================================================== */
/* 新闻资讯 v2                                                                  */
/* ========================================================================== */
.news-block-v2 {
    background: #fdf5ed;
}

/* 白色圆角容器 */
.nbv2-wrap {
    background: #fff;
    border-radius: 20px;
    padding: 44px 48px 52px;
    box-shadow: 0 4px 30px rgba(20, 10, 0, .06);
}

/* 标题行 */
.nbv2-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
}

.nbv2-en {
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 42px;
    font-weight: 900;
    color: var(--brand);
    line-height: 1.1;
    letter-spacing: 2px;
    letter-spacing: -1px;
}

.nbv2-cn {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-top: 6px;
    letter-spacing: 2px;
}

/* 圆形更多按钮（带脉冲光晕） */
.nbv2-more {
    flex: 0 0 auto;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--brand);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background .25s ease, color .25s ease;
    margin-bottom: 4px;
}

.nbv2-more::before,
.nbv2-more::after {
    content: "";
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid rgba(237, 108, 0, .25);
    animation: nbv2Pulse 2.4s ease-in-out infinite;
}

.nbv2-more::after {
    inset: -16px;
    border-color: rgba(237, 108, 0, .12);
    animation-delay: .6s;
}

@keyframes nbv2Pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    60% {
        transform: scale(1.15);
        opacity: 0;
    }
}

.nbv2-more:hover {
    background: var(--brand);
    color: #fff;
}

/* 卡片网格 */
.nbv2-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* 单张卡片 */
.nbv2-card {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease;
}

.nbv2-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 36px rgba(20, 10, 0, .1);
}

.nbv2-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--gray-2);
}

.nbv2-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
    display: block;
}

.nbv2-card:hover .nbv2-thumb img {
    transform: scale(1.06);
}

.nbv2-info {
    padding: 18px 20px 22px;
}

.nbv2-date {
    font-family: "Arial", sans-serif;
    font-size: 13px;
    color: var(--brand);
    margin-bottom: 10px;
    letter-spacing: .5px;
}

.nbv2-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s ease;
}

.nbv2-card:hover .nbv2-info h3 {
    color: var(--brand);
}

/* 响应式 */
@media (max-width: 900px) {
    .nbv2-wrap {
        padding: 32px 28px 40px;
    }

    .nbv2-en {
        font-size: 30px;
    }

    .nbv2-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .nbv2-wrap {
        padding: 24px 20px 32px;
        border-radius: 14px;
    }

    .nbv2-en {
        font-size: 24px;
    }

    .nbv2-cn {
        font-size: 17px;
    }
}

/* ========================================================================== */
/* 全屏首屏幻灯片 .hf                                                           */
/* ========================================================================== */

/* ── 容器 ── */
.hf {
    position: relative;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
    background: #0d0b08;
    color: #fff;
    user-select: none;
}

/* ── 视频背景 ── */
.hf-video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hf-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .75;
}

.hf-video-fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, #0d0b08 0%, #1c1914 55%, #ed6c00 100%);
    /* 有视频时被video遮住，无视频时作兜底 */
}

.hf-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .55);
    z-index: 1;
}

/* ── 右侧节次标签 ── */
.hf-side {
    position: absolute;
    right: 44px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.hf-side-label {
    display: none;
    font-family: "Arial", sans-serif;
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .55);
}

.hf-side-label.active {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, .8);
}

.hf-side-label.active::after {
    content: "";
    display: block;
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, .4);
}

.hf-side-dots {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-top: 8px;
}

.hf-sdot {
    display: block;
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, .2);
    border-radius: 2px;
    transition: all .4s ease;
    margin-left: auto;
}

.hf-sdot.active {
    width: 44px;
    background: var(--brand-light);
}

/* ── 幻灯片区 ── */
.hf-slides {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.hf-slide {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hf-slide.active {
    pointer-events: auto;
}

/* ── 阵列渐显/渐隐动画元素 ── */
.ae {
    opacity: 0;
    transform: translateY(28px);
    transition: none;
}

.hf-slide.active .ae {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .72s ease, transform .72s ease;
}

.hf-slide.hf-exit .ae {
    opacity: 0;
    transform: translateY(-22px);
    transition: opacity .38s ease, transform .38s ease;
    transition-delay: 0s !important;
}

/* 内容区公共包裹 */
.hfs-body {
    position: absolute;
    inset: 0;
    width: 92%;
    max-width: var(--container); /* 与 nav logo 左对齐 */
    left: 50%;
    transform: translateX(-50%);
    padding-top: 64px; /* nav height */
    display: flex;
    flex-direction: column;
}

/* ═══════════════════════════════
   Slide 1：品牌标语
   ═══════════════════════════════ */
.hfs-1 {
    justify-content: flex-end;
    padding-bottom: 180px; /* 上移 */
}

.hfs1-main {
    display: flex;
    flex-direction: column;  /* 主标题 + 副标题各占一行，上下排列 */
    align-items: flex-start; /* 左对齐 */
    gap: 0;
}

.hfs1-title {
    font-size: clamp(64px, 7vw, 96px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: 2px;
    margin: 0;
    color: #fff;
}

/* 已无橙色渐变需求，保留空选择器避免报错 */
.hfs-orange { color: #fff; }

.hfs1-en {
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: clamp(32px, 3.5vw, 48px); /* 主标题的 50% */
    font-weight: 400;
    letter-spacing: 2px;
    color: #fff;
    line-height: 1.6;
    margin-top: 8px;
    margin-bottom: 0;
    text-align: left;
}

.hfs1-sub {
    font-size: 18px;
    color: rgba(255, 255, 255, .75);
    margin-top: 16px;
    letter-spacing: 1px;
}

.hfs1-brand {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(72px, 13vw, 190px);
    font-weight: 900;
    color: rgba(255, 255, 255, .05);
    line-height: .9;
    letter-spacing: 10px;
    margin-top: 8px;
    pointer-events: none;
}

/* ═══════════════════════════════
   Slide 2：行业领航者
   ═══════════════════════════════ */
.hfs-2 {
    justify-content: center;
    flex-direction: row;
    align-items: center;
    gap: 0;
}

.hfs2-left {
    flex: 0 0 42%;
}

.hfs2-big {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(52px, 6.5vw, 92px);
    font-weight: 900;
    line-height: 1.08;
    color: #fff;
    margin: 0;
}

.hfs2-right {
    flex: 1;
    padding-left: 40px;
}

.hfs2-tag {
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, .5);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.hfs2-tag::after {
    content: "";
    flex: 1;
    max-width: 120px;
    height: 1px;
    background: rgba(255, 255, 255, .3);
}

.hfs2-heading {
    font-size: clamp(32px, 3.5vw, 48px);
    font-weight: 400;
    margin: 0 0 20px;
    line-height: 1.2;
}

.hfs2-body {
    font-size: clamp(16px, 1.8vw, 24px);
    font-weight: 400;
    line-height: 1.9;
    color: rgba(255, 255, 255, .85);
    max-width: none;   /* 填满右列，右边缘与导航最后一项对齐 */
    margin: 0;
}

/* ═══════════════════════════════
   Slide 3：核心优势
   ═══════════════════════════════ */
.hfs-3 {
    justify-content: center;
    padding-bottom: 40px;
}

.hfs3-head {
    margin-bottom: 44px;
}

/* 价值观标签：与愿景/使命位置样式一致（大标题左上角，右侧有横线）*/
.hfs3-tag {
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, .5);
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    width: 200px;
}

.hfs3-tag::after {
    content: "";
    flex: 1;
    max-width: 120px;
    height: 1px;
    background: rgba(255, 255, 255, .3);
}

.hfs3-en {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(64px, 7vw, 96px);
    font-weight: 900;
    line-height: 1.1;
    margin: 0 0 10px;
}

.hfs3-cn {
    font-size: clamp(32px, 3.5vw, 48px);
    font-weight: 300;
    color: rgba(255, 255, 255, .88);
    margin: 0;
}

.hfs3-stats {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 30px 80px;
    width: fit-content;
}

.hfs3-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(40px, 5vw, 64px);
    color: var(--brand-light);
    line-height: 1;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.hfs3-num em {
    font-style: normal;
    font-size: 16px;
    color: rgba(255, 255, 255, .65);
    margin-left: 4px;
}

.hfs3-label {
    font-size: 14px;
    color: rgba(255, 255, 255, .55);
    margin-top: 8px;
    letter-spacing: 1px;
}

/* ── 底部进度条 ── */
.hf-progress {
    position: absolute;
    bottom: 42px;
    left: 50%;
    transform: translateX(-50%);
    width: 92%;
    max-width: var(--container); /* 与 logo 左侧左对齐 */
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: "Arial Black", Arial, sans-serif;
}

.hfp-curr {
    font-size: 30px;
    color: #fff;
    line-height: 1;
    letter-spacing: 2px;
}

.hfp-bar {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, .18);
    border-radius: 2px;
    overflow: hidden;
}

.hfp-fill {
    height: 100%;
    width: 33.33%;
    background: rgba(255, 255, 255, .55);
    border-radius: 2px;
    transition: width .6s ease;
}

.hfp-total {
    font-size: 16px;
    color: rgba(255, 255, 255, .4);
    line-height: 1;
    letter-spacing: 2px;
}

/* ── 右下角圆形按钮 ── */
.hf-next {
    position: absolute;
    bottom: 38px;
    right: 44px;
    z-index: 5;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .28);
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .25s ease;
    backdrop-filter: blur(6px);
    line-height: 1;
}

.hf-next::before,
.hf-next::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(240, 140, 64, .3);
    animation: hfNextPulse 2.6s ease-in-out infinite;
}

.hf-next::before {
    inset: -9px;
}

.hf-next::after {
    inset: -18px;
    border-color: rgba(240, 140, 64, .15);
    animation-delay: .7s;
}

@keyframes hfNextPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    65% { transform: scale(1.25); opacity: 0; }
}

.hf-next:hover {
    background: var(--brand);
    border-color: var(--brand);
}

/* ── 响应式 ── */
@media (max-width: 1000px) {
    .hfs-2 { flex-direction: column; gap: 24px; justify-content: center; }
    .hfs2-left { flex: none; }
    .hfs2-right { padding-left: 0; }
    .hfs3-tag { width: 160px; } /* 移动端缩窄 */
}

@media (max-width: 700px) {
    .hf-side { display: none; }
    .hfs1-brand { font-size: 18vw; }
    .hfs3-stats { gap: 22px 40px; }
    .hfp-bar { width: 100px; }
}

/* ========================================================================== */
/* 行业领航者 — 两列 stats                                                      */
/* ========================================================================== */
.stats--two {
    grid-template-columns: repeat(2, 1fr);
}

/* ========================================================================== */
/* 解决方案板块                                                                 */
/* ========================================================================== */
.sol-section {
    background: linear-gradient(180deg, #171410 0%, #060d1e 100%);
    color: #fff;
}

/* 标题行 */
.sol-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 36px;
}

.sol-en-label {
    display: block;
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--brand-light);
    margin-bottom: 12px;
}

.sol-title {
    font-size: clamp(32px, 3.5vw, 48px);
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.sol-desc {
    max-width: 420px;
    font-size: 15px;
    color: rgba(255, 255, 255, .55);
    line-height: 1.85;
    margin: 0;
    text-align: right;
}

/* 主展示区 */
.sol-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
    height: 580px;
}

/* 通用卡片 */
.sol-card {
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    display: block;
    color: #fff;
}

.sol-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform .8s cubic-bezier(.25, .46, .45, .94);
}

.sol-card:hover .sol-bg {
    transform: scale(1.07);
}

.sol-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        175deg,
        rgba(237, 108, 0, .12) 0%,
        rgba(0, 0, 0, .72) 60%,
        rgba(0, 0, 0, .88) 100%
    );
    transition: background .4s ease;
}

.sol-card:hover .sol-overlay {
    background: linear-gradient(
        175deg,
        rgba(237, 108, 0, .28) 0%,
        rgba(0, 0, 0, .78) 60%,
        rgba(0, 0, 0, .92) 100%
    );
}

/* 卡片内容 */
.sol-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px 34px;
    z-index: 2;
}

.sol-num {
    display: block;
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--brand-light);
    margin-bottom: 10px;
    opacity: .85;
}

.sol-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 10px;
    line-height: 1.35;
    color: #fff;
}

.sol-content h3 em {
    font-style: normal;
    font-size: .82em;
    color: rgba(255, 255, 255, .7);
    display: block;
}


.sol-content p {
    font-size: 14px;
    color: rgba(255, 255, 255, .65);
    line-height: 1.75;
    margin: 0 0 14px;
    max-width: 360px;
}

/* "了解详情"箭头：默认持续显示，hover 时颜色加亮 */
.sol-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--brand-light);
    opacity: 1;
    transform: translateY(0);
    transition: color .32s ease, transform .32s ease;
}

.sol-card:hover .sol-link {
    color: #fff;
    transform: translateX(4px);
}

/* 左上角序号装饰线 */
.sol-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
    z-index: 3;
    transition: width .45s ease;
}

.sol-card:hover::before {
    width: 100%;
}

/* 响应式 */
@media (max-width: 900px) {
    .sol-showcase {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        height: auto;
    }

    .sol-showcase .sol-card {
        height: 220px;
    }

    .sol-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .sol-desc {
        text-align: left;
    }
}

@media (max-width: 600px) {
    .sol-showcase {
        grid-template-columns: 1fr;
    }
}

/* ========================================================================== */
/* 新闻资讯 v2 — 去掉 wrap 容器后的调整                                         */
/* ========================================================================== */
.news-block-v2 {
    background: #fdf5ed;
}

.nbv2-head {
    margin-bottom: 32px;
}

.nbv2-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(20, 10, 0, .06);
}

/* ========================================================================== */
/* 品牌优势 6宫格                                                               */
/* ========================================================================== */
.adv-section {
    background: #fff;
}

.adv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

/* 每个格子 */
.adv-item {
    padding: 46px 36px 44px;
    text-align: center;
    transition: background .22s ease;
    position: relative;
}

.adv-item:hover {
    background: #fff8f0;
    z-index: 1;
}

/* 悬浮时顶部品牌色横线 */
.adv-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
    transition: width .36s ease;
    border-radius: 0 0 2px 2px;
}

.adv-item:hover::before {
    width: 60px;
}

/* 图标 */
.adv-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--brand);
    transition: color .22s ease, transform .3s ease;
}

.adv-icon svg {
    width: 100%;
    height: 100%;
}

.adv-item:hover .adv-icon {
    color: var(--accent);
    transform: translateY(-4px);
}

/* 标题 */
.adv-item h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 12px;
    line-height: 1.4;
}

/* 描述 */
.adv-item p {
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.85;
    margin: 0;
}

/* 响应式 */
@media (max-width: 900px) {
    .adv-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 移动端分割线已移除 */
}

@media (max-width: 560px) {
    .adv-grid {
        grid-template-columns: 1fr;
    }

    .adv-item {
        padding: 32px 28px;
    }
}

/* ========================================================================== */
/* 产品类别展示板块 .psc（浅色系）                                              */
/* ========================================================================== */
.psc-section {
    background: #fdf7f2;
    padding: 80px 0 100px;
}

/* ── 全宽横排（01 & 06）── */
.psc-row {
    display: flex;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: 0 4px 24px rgba(20, 10, 0, .06);
    text-decoration: none;
    color: var(--text);
    transition: transform .3s ease, box-shadow .3s ease;
    min-height: 340px;
}

.psc-row:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 48px rgba(20, 10, 0, .1);
}

/* 图片区 */
.psc-row-img {
    flex: 0 0 50%;
    overflow: hidden;
    position: relative;
}

.psc-row-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .7s ease;
}

.psc-row:hover .psc-row-img img {
    transform: scale(1.05);
}

/* 内容区 */
.psc-row-info {
    flex: 1;
    padding: 48px 52px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
}

/* 序号 */
.psc-row-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--brand);
    margin-bottom: 14px;
    display: block;
}

.psc-row-info h2 {
    font-size: clamp(24px, 2.8vw, 36px);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 16px;
    line-height: 1.25;
}

.psc-row-info p {
    font-size: 15px;
    color: var(--gray-text);
    line-height: 1.85;
    margin: 0 0 20px;
}

/* 标签 */
.psc-row-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.psc-row-tags span {
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 999px;
    border: 1px solid var(--gray-3);
    color: var(--gray-text);
    transition: all .25s ease;
}

.psc-row:hover .psc-row-tags span {
    border-color: var(--brand);
    color: var(--brand);
}

/* 了解详情链接 */
.psc-row-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    transition: gap .25s ease;
}

.psc-row:hover .psc-row-link {
    gap: 14px;
}

/* 06 反转（内容左图右）*/
.psc-row--reverse {
    flex-direction: row-reverse;
}

/* ── 中间四格网格（02-05）── */
.psc-four-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

/* 卡片：图上文下 */
.psc-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    box-shadow: 0 4px 24px rgba(20, 10, 0, .06);
    transition: transform .3s ease, box-shadow .3s ease;
    display: flex;
    flex-direction: column;
}

.psc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 40px rgba(20, 10, 0, .1);
}

.psc-card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    flex-shrink: 0;
}

.psc-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .7s ease;
}

.psc-card:hover .psc-card-img img {
    transform: scale(1.06);
}

.psc-card-info {
    padding: 28px 30px 32px;
    flex: 1;
}

.psc-card-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--brand);
    display: block;
    margin-bottom: 10px;
}

.psc-card-info h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 12px;
    transition: color .25s ease;
}

.psc-card:hover .psc-card-info h3 {
    color: var(--brand);
}

.psc-card-info p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.8;
    margin: 0 0 16px;
}

/* 响应式 */
@media (max-width: 1000px) {
    .psc-row {
        flex-direction: column;
        min-height: auto;
    }

    .psc-row--reverse {
        flex-direction: column;
    }

    .psc-row-img {
        flex: none;
        height: 260px;
    }

    .psc-row-info {
        padding: 32px 32px 36px;
    }
}

@media (max-width: 700px) {
    .psc-four-grid {
        grid-template-columns: 1fr;
    }

    .psc-section {
        padding: 60px 0 70px;
    }
}

/* ========================================================================== */
/* 应用场景页 .app                                                              */
/* ========================================================================== */
.app-section {
    background: #fdf7f2;
    padding: 80px 0 100px;
}

/* 说明行 */
.app-intro {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    gap: 20px;
    flex-wrap: wrap;
}

.app-intro > p {
    font-size: 14px;
    color: var(--gray-text);
    letter-spacing: 1px;
}

.app-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.apl {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 600;
}

.apl i {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.apl--blue { color: var(--brand); }
.apl--blue i { background: var(--brand); }
.apl--orange { color: var(--accent); }
.apl--orange i { background: var(--accent); }
.apl--teal { color: #ed6c00; }
.apl--teal i { background: #ed6c00; }

/* ── 卡片网格 ── */
.app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* 通用科技感卡片 */
.app-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(140deg, #1c1510 0%, #1e1510 60%, #1c1510 100%);
    transition: transform .32s ease, box-shadow .32s ease;
    display: block;
    min-height: 260px;
}

/* 悬浮发光效果 */
.app-card:hover {
    transform: translateY(-6px);
    box-shadow:
        0 20px 50px rgba(20, 10, 0, .18),
        0 0 0 1px rgba(237, 108, 0, .5);
}

/* 渐变光晕（默认蓝色）*/
.app-card-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 15% 15%, rgba(237, 108, 0, .22) 0%, transparent 65%),
        radial-gradient(ellipse 40% 40% at 85% 85%, rgba(240, 140, 64, .12) 0%, transparent 55%);
    pointer-events: none;
    transition: opacity .4s ease;
    opacity: .7;
}

.app-card:hover .app-card-glow { opacity: 1; }

/* 橙色光晕 */
.app-card-glow--orange {
    background:
        radial-gradient(ellipse 60% 50% at 15% 15%, rgba(87, 181, 65, .2) 0%, transparent 65%),
        radial-gradient(ellipse 40% 40% at 85% 85%, rgba(255, 140, 80, .1) 0%, transparent 55%);
}

/* 青蓝光晕 */
.app-card-glow--teal {
    background:
        radial-gradient(ellipse 60% 50% at 15% 15%, rgba(74, 143, 212, .22) 0%, transparent 65%),
        radial-gradient(ellipse 40% 40% at 85% 85%, rgba(144, 184, 232, .1) 0%, transparent 55%);
}

/* 边框（hover 时高亮）*/
.app-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, .07);
    transition: border-color .3s ease;
    pointer-events: none;
}

.app-card:hover::after {
    border-color: rgba(237, 108, 0, .55);
}

/* 左上角扫描线装饰 */
.app-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(237, 108, 0, .7) 50%, transparent);
    opacity: 0;
    transition: opacity .4s ease;
}

.app-card:hover::before { opacity: 1; }

/* 内容层 */
.app-card-inner {
    position: relative;
    z-index: 2;
    padding: 26px 26px 28px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 卡片头部：标签 + 序号 */
.app-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* 解决方案标签 */
.app-badge {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 1px;
}

.app-badge--blue {
    background: rgba(237, 108, 0, .28);
    color: #f0a060;
    border: 1px solid rgba(237, 108, 0, .45);
}

.app-badge--orange {
    background: rgba(87, 181, 65, .22);
    color: #ff9060;
    border: 1px solid rgba(87, 181, 65, .38);
}

.app-badge--teal {
    background: rgba(74, 143, 212, .2);
    color: #f0a870;
    border: 1px solid rgba(74, 143, 212, .38);
}

/* 序号 */
.app-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 28px;
    font-weight: 900;
    color: rgba(255, 255, 255, .07);
    line-height: 1;
    letter-spacing: -1px;
}

/* 图标区 */
.app-icon {
    width: 48px;
    height: 48px;
    color: var(--brand-light);
    margin-bottom: 16px;
    flex-shrink: 0;
    transition: transform .35s ease, color .35s ease;
}

.app-card:hover .app-icon {
    transform: scale(1.12);
}

/* 标题 */
.app-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
    line-height: 1.3;
}

/* 描述 */
.app-card p {
    font-size: 13px;
    color: rgba(255, 255, 255, .55);
    line-height: 1.75;
    margin: 0 0 14px;
    flex: 1;
}

/* 标签 */
.app-tags {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
}

.app-tags span {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .15);
    color: rgba(255, 255, 255, .45);
    transition: all .25s ease;
}

.app-card:hover .app-tags span {
    border-color: rgba(255, 255, 255, .3);
    color: rgba(255, 255, 255, .7);
}

/* ── CTA 卡片（更多应用场景）── */
.app-card--cta {
    background: linear-gradient(140deg, var(--brand) 0%, var(--brand-dark) 100%);
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.app-card--cta::after {
    border-color: rgba(255, 255, 255, .15);
}

.app-card--cta:hover {
    box-shadow:
        0 20px 50px rgba(237, 108, 0, .3),
        0 0 0 1px rgba(255, 255, 255, .35);
}

.app-cta-plus {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 72px;
    font-weight: 900;
    color: rgba(255, 255, 255, .2);
    line-height: 1;
    margin-bottom: 12px;
    display: block;
    transition: transform .4s ease;
}

.app-card--cta:hover .app-cta-plus {
    transform: scale(1.1) rotate(90deg);
}

.app-card--cta h3 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
}

.app-card--cta p {
    font-size: 14px;
    color: rgba(255, 255, 255, .7);
    margin: 0 0 20px;
    line-height: 1.7;
}

.app-cta-link {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .5);
    padding: 8px 24px;
    border-radius: 999px;
    display: inline-block;
    transition: all .25s ease;
}

.app-card--cta:hover .app-cta-link {
    background: #fff;
    color: var(--brand);
}

/* ── 响应式 ── */
@media (max-width: 1000px) {
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .app-grid {
        grid-template-columns: 1fr;
    }

    .app-section {
        padding: 60px 0 70px;
    }

    .app-intro {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========================================================================== */
/* 产品 Bento 网格（全出血图片卡片）                                             */
/* ========================================================================== */
.psc-bento {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 480px 270px;
    gap: 14px;
}

/* 格子位置 */
.pb-item--lg { grid-column: 1; grid-row: 1; }
.pb-02       { grid-column: 2; grid-row: 1; }
.pb-03       { grid-column: 3; grid-row: 1; }
.pb-04       { grid-column: 1; grid-row: 2; }
.pb-05       { grid-column: 2; grid-row: 2; }
.pb-06       { grid-column: 3; grid-row: 2; }

/* 通用卡片 */
.pb-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    display: block;
    color: #fff;
    text-decoration: none;
}

/* 图片层 */
.pb-img {
    position: absolute;
    inset: 0;
}

.pb-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(.68) saturate(.88);
    transition: transform .8s ease, filter .4s ease;
    display: block;
}

.pb-item:hover .pb-img img {
    transform: scale(1.06);
    filter: brightness(.5) saturate(.82);
}

/* 渐变遮罩（底部深、顶部透明）*/
.pb-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(4, 10, 28, .93) 0%,
        rgba(4, 10, 28, .5)  38%,
        rgba(4, 10, 28, .12) 65%,
        transparent 100%
    );
    z-index: 1;
}

/* 内容层 */
.pb-content {
    position: absolute;
    inset: 0;
    padding: 22px 26px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 2;
}

/* 顶行：徽章 + 编号 */
.pb-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* 超大装饰编号 */
.pb-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 42px;
    font-weight: 900;
    color: rgba(255, 255, 255, .14);
    line-height: 1;
    letter-spacing: -2px;
    transition: color .35s ease;
}

.pb-item:hover .pb-num {
    color: rgba(255, 255, 255, .26);
}

.pb-item--lg .pb-num { font-size: 72px; }

/* 解决方案徽章 */
.pb-badge {
    font-size: 11px;
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 1px;
    backdrop-filter: blur(6px);
}

.pb-badge--blue {
    background: rgba(237, 108, 0, .35);
    color: #f0a870;
    border: 1px solid rgba(237, 108, 0, .55);
}

.pb-badge--orange {
    background: rgba(87, 181, 65, .3);
    color: #ffa070;
    border: 1px solid rgba(87, 181, 65, .48);
}

.pb-badge--teal {
    background: rgba(74, 143, 212, .28);
    color: #90c0e8;
    border: 1px solid rgba(74, 143, 212, .48);
}

/* 底部内容（悬浮时上移）*/
.pb-bottom {
    transform: translateY(4px);
    transition: transform .38s ease;
}

.pb-item:hover .pb-bottom {
    transform: translateY(-8px);
}

.pb-bottom h2 {
    font-size: clamp(15px, 1.6vw, 20px);
    font-weight: 700;
    margin: 0 0 7px;
    color: #fff;
    line-height: 1.3;
}

.pb-item--lg .pb-bottom h2 {
    font-size: clamp(20px, 2vw, 28px);
    margin-bottom: 10px;
}

.pb-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, .62);
    line-height: 1.6;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pb-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.pb-tags span {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .22);
    color: rgba(255, 255, 255, .5);
    transition: all .25s ease;
    backdrop-filter: blur(4px);
}

.pb-item:hover .pb-tags span {
    border-color: rgba(255, 255, 255, .5);
    color: rgba(255, 255, 255, .88);
}

/* 响应式 */
@media (max-width: 1100px) {
    .psc-bento {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }

    .pb-item--lg { grid-column: 1 / 3; height: 320px; }
    .pb-02       { grid-column: 1; grid-row: auto; height: 240px; }
    .pb-03       { grid-column: 2; grid-row: auto; height: 240px; }
    .pb-04       { grid-column: 1; grid-row: auto; height: 210px; }
    .pb-05       { grid-column: 2; grid-row: auto; height: 210px; }
    .pb-06       { grid-column: 1 / 3; grid-row: auto; height: 210px; }
}

@media (max-width: 680px) {
    .psc-bento { grid-template-columns: 1fr; }

    .pb-item--lg,
    .pb-02, .pb-03, .pb-04, .pb-05, .pb-06 {
        grid-column: 1 !important;
        height: 230px;
    }
}

/* ========================================================================== */
/* 应用场景卡片 — 浅色系覆盖（含悬浮背景图若隐若现）                            */
/* ========================================================================== */

/* 浅色卡片 — 统一高度，九宫格整齐排列 */
.app-card {
    background: #fff;
    color: var(--text);
    border: 1px solid rgba(237, 108, 0, .1);
    box-shadow: 0 2px 14px rgba(20, 10, 0, .06);
    transition: transform .3s ease, box-shadow .3s ease;
    height: 240px;
}

/* 内容层撑满卡片高度，顶部与底部对齐 */
.app-card-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* 悬浮：上浮 + 加阴影 */
.app-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 44px rgba(20, 10, 0, .1),
                0 0 0 1px rgba(237, 108, 0, .2);
}

/* ── 图片背景层（默认完全隐藏）── */
.app-card-img-bg {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    overflow: hidden;
    z-index: 0;
}

.app-card-img-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 始终可见，浅色处理 */
    opacity: 1;
    filter: brightness(1.08) saturate(.55);
    transform: scale(1.02);
    transition: transform .6s ease, filter .4s ease;
}

/* 悬浮时图片略微放大，色彩稍丰富 */
.app-card:hover .app-card-img-bg img {
    transform: scale(1.07);
    filter: brightness(1.04) saturate(.7);
}

/* ── 白色遮罩（始终半透明，让图片透出浅色效果）── */
.app-card-img-overlay {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: rgba(255, 255, 255, .78);
    z-index: 1;
    transition: background .4s ease;
}

/* 悬浮时遮罩略减，图片稍清晰 */
.app-card:hover .app-card-img-overlay {
    background: rgba(255, 255, 255, .68);
}

/* 内容层置顶（合并规则，以此为准）*/
.app-card-inner {
    position: relative;
    z-index: 3;
    padding: 22px 24px 22px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
}

/* 移除旧版暗色顶部扫描线 */
.app-card::before { display: none; }

/* 轻边框替代旧版高亮边框 */
.app-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid transparent;
    transition: border-color .3s ease;
    pointer-events: none;
    z-index: 4;
}

.app-card:hover::after {
    border-color: rgba(237, 108, 0, .3);
}

/* ── 文字色适配浅色背景 ── */
.app-card h3 { color: var(--text); }

.app-card p { color: var(--gray-text); }

.app-card:hover h3 { color: var(--brand); }

/* 序号（浅色）*/
.app-num {
    color: rgba(237, 108, 0, .1);
}

.app-card:hover .app-num {
    color: rgba(237, 108, 0, .18);
}

/* 图标颜色适配 */
.app-icon { color: var(--brand); }

/* 标签改为深色边框 */
.app-tags span {
    border-color: rgba(237, 108, 0, .18);
    color: var(--gray-text);
}

.app-card:hover .app-tags span {
    border-color: var(--brand);
    color: var(--brand);
}

/* 徽章改为浅色版本 */
.app-badge--blue {
    background: rgba(237, 108, 0, .09);
    color: var(--brand);
    border-color: rgba(237, 108, 0, .25);
}

.app-badge--orange {
    background: rgba(87, 181, 65, .08);
    color: var(--accent);
    border-color: rgba(87, 181, 65, .25);
}

.app-badge--teal {
    background: rgba(74, 143, 212, .08);
    color: #c55900;
    border-color: rgba(74, 143, 212, .25);
}

/* 说明行颜色适配 */
.apl--blue { color: var(--brand); }
.apl--orange { color: var(--accent); }
.apl--teal { color: #c55900; }

/* ========================================================================== */
/* 应用场景 — 城市生产场景动效（重构版）                                         */
/* ========================================================================== */
.as-section {
    position: relative;
    height: 1000px;
    overflow: hidden;
    background: #fff8f0;
}

/* 背景图 */
.as-bg-wrap { position: absolute; inset: 0; z-index: 0; }

.as-bg-img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center;
    filter: brightness(1.2) saturate(.35) blur(1px);
    display: block;
}

/* 白色系遮罩 */
.as-bg-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        150deg,
        rgba(255,255,255,.90) 0%,
        rgba(255,250,244,.84) 45%,
        rgba(255,244,232,.88) 100%
    );
}

/* SVG 网格 */
.as-grid {
    position: absolute; inset: 0;
    width: 100%; height: 100%; z-index: 1;
}

/* 场景层 */
.as-stage { position: absolute; inset: 0; z-index: 3; }

/* ── 节点 ── */
.as-node {
    position: absolute;
    left: var(--nx);
    top: var(--ny);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: asFloat 4s ease-in-out infinite;
    animation-delay: var(--nd, 0s);
}

@keyframes asFloat {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-12px); }
}

/* 气泡标签 */
.as-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px 8px 12px;
    border-radius: 26px;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(237,108,0,.2);
    box-shadow: 0 6px 24px rgba(20,10,0,.10), 0 1px 3px rgba(20,10,0,.06);
    text-decoration: none;
    color: var(--text);
    white-space: nowrap;
    transition: all .28s ease;
}

.as-label:hover {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    box-shadow: 0 10px 30px rgba(237,108,0,.35);
    transform: scale(1.07);
}

.as-lnum {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 11px; font-weight: 900;
    color: var(--brand); letter-spacing: 1px; line-height: 1;
}
.as-lname { font-size: 13px; font-weight: 600; line-height: 1; }
.as-label:hover .as-lnum { color: rgba(255,255,255,.75); }

/* 橙色节点 */
.as-node--orange .as-lnum { color: var(--accent); }
.as-node--orange .as-label { border-color: rgba(87,181,65,.2); }
.as-node--orange .as-label:hover { background: var(--accent); border-color: var(--accent); box-shadow: 0 10px 30px rgba(87,181,65,.3); }

/* 青蓝节点 */
.as-node--teal .as-lnum { color: #c55900; }
.as-node--teal .as-label { border-color: rgba(237,108,0,.2); }
.as-node--teal .as-label:hover { background: #c55900; border-color: #c55900; }

/* 连接茎 */
.as-stem {
    width: 1.5px; height: 36px;
    background: linear-gradient(180deg, rgba(237,108,0,.3) 0%, rgba(237,108,0,.65) 100%);
    flex-shrink: 0;
}
.as-node--orange .as-stem { background: linear-gradient(180deg, rgba(87,181,65,.3) 0%, rgba(87,181,65,.65) 100%); }
.as-node--teal   .as-stem { background: linear-gradient(180deg, rgba(237,108,0,.3) 0%, rgba(237,108,0,.65) 100%); }

/* ── AI视觉识别落地组件 ── */
.as-target {
    position: relative;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

/* 主圆点 */
.as-dot {
    position: relative;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: rgba(237,108,0,.15);
    border: 2px solid rgba(237,108,0,.7);
    display: flex; align-items: center; justify-content: center;
    z-index: 1;
}

/* .as-scanv 已移除 */

/* 涟漪圆环（3层）*/
.as-pulse {
    position: absolute; border-radius: 50%;
    border: 1.5px solid rgba(237,108,0,.55);
    inset: -10px;
    animation: asPulseRing 2.6s ease-out infinite;
    animation-delay: var(--nd, 0s);
}
.as-pulse-2 { inset: -18px; border-color: rgba(237,108,0,.3); animation-delay: calc(var(--nd,0s) + .85s); }
.as-pulse-3 { inset: -26px; border-color: rgba(237,108,0,.15); animation-delay: calc(var(--nd,0s) + 1.7s); }

@keyframes asPulseRing {
    0%   { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.7); opacity: 0; }
}

/* 相机取景框角标 */
.as-c {
    position: absolute;
    width: 9px; height: 9px;
    border-style: solid; border-color: rgba(237,108,0,.7); border-width: 0;
}
.as-c-tl { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; border-top-left-radius: 3px; }
.as-c-tr { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; border-top-right-radius: 3px; }
.as-c-bl { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; border-bottom-left-radius: 3px; }
.as-c-br { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; border-bottom-right-radius: 3px; }

/* 橙色/青蓝变体 */
.as-node--orange .as-dot { background: rgba(87,181,65,.12); border-color: rgba(87,181,65,.7); }
.as-node--orange .as-scanh { background: rgba(87,181,65,.8); }
.as-node--orange .as-pulse { border-color: rgba(87,181,65,.5); }
.as-node--orange .as-pulse-2 { border-color: rgba(87,181,65,.25); }
.as-node--orange .as-pulse-3 { border-color: rgba(87,181,65,.12); }
.as-node--orange .as-c { border-color: rgba(87,181,65,.7); }

.as-node--teal .as-dot { background: rgba(237,108,0,.12); border-color: rgba(237,108,0,.7); }
.as-node--teal .as-scanh { background: rgba(237,108,0,.8); }
.as-node--teal .as-pulse { border-color: rgba(237,108,0,.5); }
.as-node--teal .as-pulse-2 { border-color: rgba(237,108,0,.25); }
.as-node--teal .as-pulse-3 { border-color: rgba(237,108,0,.12); }
.as-node--teal .as-c { border-color: rgba(237,108,0,.7); }

/* CTA */
.as-cta {
    position: absolute;
    bottom: 72px; left: 50%; transform: translateX(-50%);
    z-index: 4;
}

/* ── 移动端：自然换行 + 错位，整体缩小 ── */
@media (max-width: 900px) {
    .as-section { height: auto; padding-bottom: 0; }

    /* 舞台：flex 自由换行，节点宽度由内容决定（长短不一 → 不规则换行）*/
    .as-stage {
        position: static;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: flex-start;
        gap: 6px 6px;
        padding: 28px 8% 90px;
    }

    /* 每个节点：静态、按内容宽度自适应 */
    .as-node {
        position: static;
        left: auto; top: auto;
    }

    /* 错位：各节点不同 margin-top，制造参差不齐效果 */
    .as-node:nth-child(1)  { margin-top: 0; }
    .as-node:nth-child(2)  { margin-top: 20px; }
    .as-node:nth-child(3)  { margin-top: 6px; }
    .as-node:nth-child(4)  { margin-top: 30px; }
    .as-node:nth-child(5)  { margin-top: 10px; }
    .as-node:nth-child(6)  { margin-top: 0px; }
    .as-node:nth-child(7)  { margin-top: 24px; }
    .as-node:nth-child(8)  { margin-top: 4px; }
    .as-node:nth-child(9)  { margin-top: 18px; }
    .as-node:nth-child(10) { margin-top: 28px; }
    .as-node:nth-child(11) { margin-top: 8px; }
    .as-node:nth-child(12) { margin-top: 14px; }

    /* 节点组件缩小 */
    .as-label {
        padding: 6px 11px 6px 8px;
        gap: 6px;
    }
    .as-lnum  { font-size: 10px; }
    .as-lname { font-size: 11px; }
    .as-stem  { height: 20px; }
    .as-target { width: 36px; height: 36px; }
    .as-dot    { width: 14px; height: 14px; }
    .as-scanv  { height: 8px; }
    .as-pulse  { inset: -7px; }
    .as-pulse-2 { inset: -13px; }
    .as-pulse-3 { inset: -19px; }
    .as-c { width: 7px; height: 7px; }

    /* CTA */
    .as-cta {
        position: static;
        transform: none;
        width: 100%;
        text-align: center;
        padding: 28px 0 48px;
    }
}

/* ========================================================================== */
/* 应用场景页 — 顶部至场景区统一背景图                                           */
/* ========================================================================== */
.app-hero-wrap {
    position: relative;
    background-image: url('../images/app-bg.jpg');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
}

/* Banner：去掉自身背景色，只保留文字遮罩层 */
.app-banner--transparent {
    background: transparent;
}

/* 为 Banner 补一层白色渐变遮罩，保证文字可读 */
.app-banner--transparent::before {
    background:
        radial-gradient(ellipse 55% 90% at 88% 50%, rgba(255,255,255,.55) 0%, transparent 58%),
        radial-gradient(ellipse 40% 55% at -4% 105%, rgba(255,255,255,.45) 0%, transparent 52%),
        radial-gradient(circle at 28% -18%, rgba(255,255,255,.4) 0%, transparent 48%),
        rgba(255, 255, 255, .72); /* 底色保证整体可读 */
}

/* Scene section：去掉自身背景，背景由 wrapper 提供 */
.as-section--transparent {
    background: transparent;
}

/* Scene section 的覆盖遮罩：浅橙色调，让背景图透出来 */
.as-section--transparent .as-bg-overlay {
    background: linear-gradient(
        150deg,
        rgba(255,255,255,.72) 0%,
        rgba(255,250,244,.60) 45%,
        rgba(255,244,232,.68) 100%
    );
}

/* ── 应用场景页：去掉内层背景图，内容直接悬浮在 app-bg.jpg 上 ── */

/* 隐藏场景区原有的 scene_1.jpg 图层和遮罩 */
.as-section--transparent .as-bg-wrap {
    display: none;
}

/* 场景区本身完全透明 */
.as-section--transparent {
    background: transparent !important;
}

/* Banner 去掉几何渐变遮罩层（::before）和网格线层（::after）*/
.app-banner--transparent::before,
.app-banner--transparent::after {
    display: none;
}

/* Banner 容器也透明 */
.app-banner--transparent {
    background: transparent !important;
}

/* ── 应用场景页 — 背景遮罩 + 分割线 ── */

/* 遮罩层：位于背景图和所有内容之间 */
.app-hero-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 245, 232, 0.85);
    z-index: 1;
    pointer-events: none;
}

/* Banner 和 scene 区在遮罩之上（z-index > 1）*/
.app-banner--transparent {
    position: relative;
    z-index: 2;
    /* Banner 底部浅橙分割线 */
    border-bottom: 1px solid rgba(237, 108, 0, .18);
}

.as-section--transparent {
    position: relative;
    z-index: 2;
}

/* ========================================================================== */
/* 服务支持 — 网点查询 / 售后服务 全新布局                                       */
/* ========================================================================== */

.sv-section {
    background: #fdf6f2;
}

.sv-section--alt {
    background: #fff;
}

/* ── 左右分栏 ── */
.sv-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
    min-height: 460px;
}

.sv-split--reverse > :first-child {
    order: 2;
}

/* ── 左侧地图区（无圆角无背景）── */
.sv-map {
    position: relative;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sv-map-img {
    width: 110%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
    display: block;
    margin-left: -5%;
}

/* ── 水滴点位（水滴尖端落在 left/top 坐标）── */
.sv-pin {
    position: absolute;
    transform: translate(-50%, -100%);
    z-index: 2;
    width: 24px;
    height: 32px;
    pointer-events: none;
    color: var(--brand); /* 用 currentColor 简化变体 */
}

.sv-pin--orange { color: var(--accent); }
.sv-pin--blue   { color: var(--brand); }

/* 实心水滴本体 */
.sv-pin-drop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    filter: drop-shadow(0 4px 6px rgba(20, 10, 0, .25));
}

.sv-pin-drop > path:first-child {
    fill: currentColor;
}

/* 水滴形涟漪：与本体水滴同形状，从中心圆向外缩放渐隐 */
.sv-pin-pulse {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    color: currentColor;
    /* 缩放原点 = 水滴中心圆位置 (12, 12) → 水平50% 垂直 12/32=37.5% */
    transform-origin: 50% 37.5%;
    animation: svDropPulse 2.4s ease-out infinite;
    z-index: 1;
    overflow: visible;
}

.sv-pin-pulse-2 {
    animation-delay: 1.2s;
}

@keyframes svDropPulse {
    0%   { transform: scale(.5);  opacity: .9; }
    100% { transform: scale(3);   opacity: 0;   }
}

/* 城市名标签：去掉白色背景 */
.sv-pin-tip {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 13px;
    font-weight: 700;
    color: currentColor;
    white-space: nowrap;
    text-align: center;
    text-shadow: 0 1px 3px rgba(255, 255, 255, .9), 0 0 8px rgba(255, 255, 255, .8);
}

/* ── 右侧卡片 ── */
.sv-card {
    background: #fff;
    border-radius: 14px;
    padding: 56px 56px 50px;
    box-shadow: 0 4px 28px rgba(20, 10, 0, .06);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sv-card--flat {
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    padding: 0 8% 0 0;
}

.sv-card-title {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 700;
    color: var(--brand);
    margin: 0 0 18px;
}

.sv-card-divider {
    height: 1px;
    background: rgba(237, 108, 0, .15);
    margin-bottom: 36px;
}

/* 网点条目 */
.sv-loc {
    display: flex;
    gap: 22px;
    align-items: flex-start;
}

.sv-loc-num {
    flex-shrink: 0;
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 18px;
    font-weight: 900;
    color: var(--text);
    margin-top: 2px;
}

.sv-loc-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 14px;
}

.sv-loc-info p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.9;
    margin: 0;
}

.sv-label {
    color: var(--text);
    font-weight: 600;
}

.sv-loc-spacer {
    height: 60px;
}

/* 售后服务卡片 */
.sv-staff {
    margin-bottom: 60px;
}

.sv-staff:last-child {
    margin-bottom: 0;
}

.sv-staff h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 16px;
    line-height: 1.4;
}

.sv-staff p {
    font-size: 16px;
    color: var(--gray-text);
    margin: 0;
    line-height: 1.6;
}

/* ── 售后右侧图片 ── */
.sv-photo {
    border-radius: 14px;
    overflow: hidden;
    background: var(--gray-2);
    min-height: 360px;
}

.sv-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ── FAQ 两列 ── */
.faq-list--two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    max-width: none;  /* 移除原来 960px 限制，与上方证书宽度一致 */
}

/* 响应式 */
@media (max-width: 900px) {
    .sv-split {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 28px;
    }

    .sv-split--reverse > :first-child {
        order: 0;
    }

    .sv-card {
        padding: 36px 32px;
    }

    .sv-card--flat {
        padding: 0;
    }

    .sv-photo {
        min-height: 280px;
    }

    .faq-list--two {
        grid-template-columns: 1fr;
    }
}

/* ========================================================================== */
/* 服务支持 — 企业微信卡片                                                       */
/* ========================================================================== */

/* feedback 板块浅色系，标题深色 */
.feedback .section-title h2 {
    color: var(--text);
}

.feedback .section-title p {
    color: #666;
}

.wechat-card {
    max-width: 800px;
    margin: 50px auto 0;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 18px 50px rgba(20, 10, 0, .18);
    overflow: hidden;
    display: grid;
    grid-template-columns: 280px 1fr;
    align-items: stretch;
}

/* 二维码 */
.wechat-qr {
    background: linear-gradient(135deg, #f6f8fc 0%, #faf0e8 100%);
    padding: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--gray-2);
}

.wechat-qr img {
    width: 100%;
    height: auto;
    max-width: 220px;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(20, 10, 0, .1);
    background: #fff;
    padding: 10px;
}

/* 右侧信息 */
.wechat-info {
    padding: 44px 44px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.wechat-icon {
    width: 44px;
    height: 44px;
    border-radius: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.wechat-icon svg {
    width: 28px;
    height: 28px;
}

.wechat-info h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 8px;
}

.wechat-desc {
    font-size: 14px;
    color: var(--gray-text);
    margin: 0 0 22px;
    line-height: 1.7;
}

.wechat-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
}

.wechat-points li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-text);
}

.wechat-points .dot {
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
}

/* 响应式 */
@media (max-width: 700px) {
    .wechat-card {
        grid-template-columns: 1fr;
    }

    .wechat-qr {
        border-right: none;
        border-bottom: 1px solid var(--gray-2);
        padding: 28px;
    }

    .wechat-qr img {
        max-width: 200px;
    }

    .wechat-info {
        padding: 32px 28px 32px;
    }

    .wechat-points {
        grid-template-columns: 1fr;
    }
}

/* ========================================================================== */
/* 企业介绍页 — 顶部介绍板块 + 浅色渐变背景                                       */
/* ========================================================================== */

/* ── 1. 顶部介绍：左侧蓝色大字 + 右侧文字 ── */
.ab-intro {
    background: #fff;
    padding: 100px 0 90px;
}

.ab-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.ab-intro-en {
    margin: 0;
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(48px, 7vw, 96px);
    font-weight: 900;
    color: var(--brand);
    line-height: 1.05;
    letter-spacing: -1px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ab-intro-en > span {
    display: block;
}

.ab-intro-title {
    font-size: clamp(26px, 2.8vw, 38px);
    font-weight: 700;
    color: var(--brand);
    margin: 0 0 72px;
    line-height: 1.4;
}

.ab-intro-right p {
    color: var(--gray-text);
    font-size: 14px;
    line-height: 2;
    margin: 0 0 16px;
}

.ab-intro-right p:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
    .ab-intro {
        padding: 70px 0 60px;
    }
    .ab-intro-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .ab-intro-en {
        font-size: clamp(48px, 12vw, 72px);
    }
}

/* ── 2. 下方板块包裹层（浅色渐变 + 左下几何）── */
.ab-bg-wrap {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(180deg, #fff8f4 0%, #faf0ea 30%, #fff8f4 70%, #fff5ee 100%);
}

/* 几何装饰 SVG */
.ab-bg-geo {
    position: absolute;
    left: -60px;
    bottom: -40px;
    width: 600px;
    height: 600px;
    z-index: 0;
    pointer-events: none;
    opacity: .9;
}

@media (max-width: 900px) {
    .ab-bg-geo {
        width: 380px;
        height: 380px;
        left: -100px;
        bottom: -80px;
    }
}

/* ab-bg-wrap 内的所有 section 都置于几何之上 */
.ab-bg-wrap > section {
    position: relative;
    z-index: 1;
}

/* ========================================================================== */
/* 企业介绍 — 制造环境板块（左文右图，异形展示）                                  */
/* ========================================================================== */
.ab-prod-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 60px;
    align-items: center;
    min-height: 520px;
}

/* 左侧文字区 */
.ab-prod-text {
    padding-right: 20px;
}

.ab-prod-en {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(40px, 5.4vw, 72px);
    font-weight: 900;
    color: var(--brand);
    line-height: 1;
    letter-spacing: -1px;
    margin: 0 0 14px;
}

.ab-prod-cn {
    font-size: clamp(22px, 2.4vw, 30px);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 56px;
    line-height: 1.4;
}

.ab-prod-text p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 2;
    margin: 0 0 14px;
}

.ab-prod-text p:last-child { margin-bottom: 0; }

/* 右侧图片区 */
.ab-prod-photos {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 32px;
    height: 520px;
}

.ab-photo {
    overflow: hidden;
    box-shadow: 0 18px 40px rgba(20, 10, 0, .12);
    background: var(--gray-2);
}

.ab-photo img {
    /* 图片比容器宽 50%，左右各超出 25%，留出更大视差余量
       注意：必须显式 max-width: none，覆盖全局 img { max-width: 100% } */
    width: 150%;
    max-width: none;
    height: 100%;
    object-fit: cover;
    margin-left: -25%;
    transition: transform .35s cubic-bezier(.25,.1,.25,1);
    will-change: transform;
}

/* 去掉 hover 缩放（视差滚动时会冲突 JS 设置的 translateX） */

/* 第一张：1:2 竖幅；右下直角，其他三角圆角 = 宽度的 50%
   宽=高/2 → 水平 50% = 宽 50%；要让垂直半径 = 宽 50% = 高 25% */
.ab-photo--tall {
    flex: 0 0 44%;
    aspect-ratio: 1 / 2;
    max-height: 520px;
    /* H 半径 / V 半径，顺序：左上 右上 右下 左下 */
    border-radius: 50% 50% 0 50% / 25% 25% 0 25%;
    align-self: center;
}

/* 第二张：3:2 横幅；左下直角，其他三角圆角 = 高度的 50%
   宽=高×1.5 → 垂直 50% = 高 50%；要让水平半径 = 高 50% = 宽 33.33% */
.ab-photo--wide {
    flex: 1;
    aspect-ratio: 3 / 2;
    max-height: 280px;
    margin-top: 16px;
    border-radius: 33.33% 33.33% 33.33% 0 / 50% 50% 50% 0;
}

/* 响应式 */
@media (max-width: 900px) {
    .ab-prod-grid {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 40px;
    }
    .ab-prod-text { padding-right: 0; }
    .ab-prod-cn { margin-bottom: 28px; }

    .ab-prod-photos {
        height: auto;
        gap: 16px;
    }

    .ab-photo--tall {
        flex: 1;
        max-height: 380px;
    }

    .ab-photo--wide {
        max-height: 180px;
        margin-top: 24px;
    }
}

@media (max-width: 560px) {
    .ab-prod-photos { flex-direction: column; }
    .ab-photo--tall {
        aspect-ratio: 1 / 2;
        max-height: 360px;
        border-radius: 50% 50% 0 50% / 25% 25% 0 25%;
    }
    .ab-photo--wide {
        aspect-ratio: 3 / 2;
        max-height: 200px;
        border-radius: 33.33% 33.33% 33.33% 0 / 50% 50% 50% 0;
        margin-top: 0;
    }
}

/* ========================================================================== */
/* 社会责任 — Sticky 滚动展开效果                                                */
/* ========================================================================== */
.ab-resp {
    position: relative;
    height: 220vh;       /* 总滚动空间：扩展阶段 + 吸附停留阶段 */
    background: #fff8f4;
}

/* sticky 容器：满屏，吸附在视口顶部 */
.ab-resp-sticky {
    position: sticky;
    top: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 卡片：初始宽度与 .container 一致（92% / max 1480px），由 JS 随滚动扩展至满屏 */
.ab-resp-card {
    position: relative;
    width: 92%;
    max-width: var(--container);
    height: 60vh;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(20, 10, 0, .25);
    will-change: width, max-width, height, border-radius;
}

.ab-resp-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ab-resp-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,.65) 0%, rgba(3,20,60,.55) 100%);
}

.ab-resp-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6% 8%;
    color: #fff;
    z-index: 2;
    text-align: center;
}

.ab-resp-content h2 {
    font-size: clamp(28px, 3.6vw, 52px);
    font-weight: 700;
    color: #fff;
    margin: 0 0 160px;
    letter-spacing: 4px;
}

.ab-resp-content p {
    font-size: clamp(16px, 1.3vw, 19px);
    color: rgba(255, 255, 255, .9);
    line-height: 2;
    max-width: 1200px;
    margin: 0 0 14px;
}

/* 第一段：更细 */
.ab-resp-content p:first-of-type {
    font-weight: 300;
}

/* 最后一段：更粗 */
.ab-resp-content p:last-of-type {
    font-weight: 600;
    margin: 0;
}

/* 移动端：保留扩展效果但缩短滚动距离 */
@media (max-width: 700px) {
    .ab-resp { height: 180vh; }
    .ab-resp-card { width: 88%; height: 55vh; }
    .ab-resp-content h2 { letter-spacing: 2px; }
}

/* ========================================================================== */
/* 企业介绍 — 产品应用左右布局                                                   */
/* ========================================================================== */
.ab-app-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 80px;
    align-items: start;
}

/* 左：大标题 */
.ab-app-title {
    font-size: clamp(24px, 2.6vw, 36px);
    font-weight: 700;
    color: var(--brand);
    line-height: 1.55;
    letter-spacing: 1px;
    margin: 0 0 32px;
}

.ab-app-en {
    font-family: "Arial", sans-serif;
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.85;
    margin: 0;
    letter-spacing: .5px;
}

/* 右：描述 + 数值 */
.ab-app-desc {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 2;
    margin: 0 0 60px;
}

.ab-app-desc b {
    color: var(--text);
    font-weight: 600;
}

.ab-app-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px 50px;
}

.ab-stat .num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(40px, 4vw, 56px);
    font-weight: 900;
    color: var(--brand);
    line-height: 1;
    margin-bottom: 10px;
    display: flex;
    align-items: baseline;
}

.ab-stat .num sup {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-left: 6px;
    vertical-align: baseline;
    line-height: 1;
}

.ab-stat .label {
    font-size: 14px;
    color: var(--gray-text);
    letter-spacing: 1px;
}

/* 响应式 */
@media (max-width: 900px) {
    .ab-app-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .ab-app-desc { margin-bottom: 36px; }

    .ab-app-stats {
        gap: 28px 32px;
    }
}

/* 企业介绍 — 下方满 container 宽度横向图（3:1）*/
.ab-intro-banner {
    margin-top: 64px;
    width: 100%;
    aspect-ratio: 3 / 1;
    overflow: hidden;
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(20, 10, 0, .1);
}

.ab-intro-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .8s ease;
}

.ab-intro-banner:hover img {
    transform: scale(1.04);
}

@media (max-width: 700px) {
    .ab-intro-banner {
        margin-top: 40px;
        aspect-ratio: 16 / 9;
        border-radius: 10px;
    }
}

/* ========================================================================== */
/* 联系我们 — 公司地址（地图全幅 + 右侧浮卡）                                    */
/* ========================================================================== */
.ct-addr-section {
    position: relative;
    width: 100%;
    /* 高度 = 卡片高度 + 上下留白：卡片是个正方形（约 760px 在 1480 容器下）
       加上下各约 60px 留白，所以板块设为 calc 高度 */
    height: calc((min(92vw, 1480px) - 80px) * 0.5455 + 120px);
    min-height: 600px;
    overflow: hidden;
}

.ct-map {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 地图与悬浮卡片之间的白色遮罩 */
.ct-addr-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, .5);
    z-index: 2;
    pointer-events: none;
}

/* 移除腾讯地图自带 logo / 控件背景过强（如有需要可再调）*/
.ct-map .tdt-control-copyright,
.ct-map .tdt-control-zoom { font-size: 11px; }

/* 右侧悬浮地址卡片
   宽度 = 企业信息页 ab-intro-right 列宽（容器宽 - gap80）×1.2/2.2 ≈ 54.5%
   高度 = 宽度（正方形）*/
.ct-card {
    position: absolute;
    right: 4%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: calc((min(92vw, 1480px) - 80px) * 0.5455);
    max-width: 92%;
    background: #fff;
    border-radius: 16px;
    padding: 52px 60px;
    box-shadow: 0 20px 60px rgba(20, 10, 0, .2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
}

.ct-card-title {
    font-size: 52px;
    font-weight: 900;
    color: var(--brand);
    margin: 0 0 32px;
    letter-spacing: 1px;
    line-height: 1;
}

.ct-card-divider {
    height: 1px;
    background: rgba(237, 108, 0, .15);
    margin-bottom: 36px;
}

.ct-loc {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.ct-loc-num {
    flex-shrink: 0;
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 21px;
    font-weight: 900;
    color: var(--text);
    margin-top: 3px;
}

.ct-loc-info h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 14px;
}

.ct-loc-info p {
    font-size: 15px;
    color: var(--gray-text);
    line-height: 1.9;
    margin: 0;
}

.ct-label {
    color: var(--text);
    font-weight: 600;
}

.ct-loc-spacer {
    height: 108px;
}

/* 响应式 */
@media (max-width: 900px) {
    .ct-addr-section {
        height: auto;
        min-height: 0;
    }

    .ct-map {
        position: relative;
        height: 360px;
    }

    .ct-card {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 92%;
        max-width: 540px;
        aspect-ratio: auto;     /* 移动端取消正方形约束 */
        margin: -60px auto 28px;
        padding: 32px 28px;
    }

    .ct-card-title { font-size: 28px; }
}

/* ========================================================================== */
/* 联系我们 — HTML 自定义水滴标（z-index 高于白色遮罩，支持点击弹窗）             */
/* ========================================================================== */
.ct-html-pin {
    position: absolute;
    z-index: 3;           /* 高于白色遮罩(2)，低于右侧联系卡片(5) */
    cursor: pointer;
    user-select: none;
    /* left / top 由 JS 实时设置 */
}

/* 水滴 SVG */
.ctp-drop {
    width: 40px;
    height: 54px;
    transition: transform .2s ease;
}

.ctp-drop svg {
    width: 100%;
    height: 100%;
    display: block;
    filter: drop-shadow(0 3px 6px rgba(0,0,0,.25));
}

.ct-html-pin:hover .ctp-drop,
.ct-html-pin:focus .ctp-drop {
    transform: scale(1.15) translateY(-3px);
}

/* 弹出卡片（默认隐藏）*/
.ctp-popup {
    position: absolute;
    bottom: 62px;
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    width: 260px;
    background: #fff;
    border-radius: 12px;
    padding: 18px 20px 16px;
    box-shadow: 0 10px 32px rgba(20, 10, 0, .18);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    white-space: normal;
}

/* 弹出时 */
.ctp-popup--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

/* 卡片顶部色条 */
.ctp-popup-color {
    height: 3px;
    border-radius: 3px;
    margin-bottom: 12px;
}

.ctp-popup-title {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.4;
}

.ctp-popup p {
    font-size: 12px;
    color: var(--gray-text);
    line-height: 1.7;
    margin: 0;
}

.ctp-popup p span {
    color: var(--text);
    font-weight: 600;
}

/* 弹出框尖角 */
.ctp-popup::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0; height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #fff;
    filter: drop-shadow(0 2px 3px rgba(0,0,0,.12));
}

/* ========================================================================== */
/* 研发实力 — 介绍板块（标题居中 + 3列图标统计）                                 */
/* ========================================================================== */
.rd-intro-section {
    background: #fff;
}

/* 标题区居中 */
.rd-intro-head {
    text-align: center;
    max-width: 880px;
    margin: 0 auto 64px;
}

.rd-intro-title {
    font-size: clamp(24px, 2.8vw, 38px);
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin: 0 0 20px;
}

.rd-intro-desc {
    font-size: 15px;
    color: var(--gray-text);
    line-height: 2;
    margin: 0;
}

/* 四列统计区，每列居中 */
.rd-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.rd-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 32px;
    border-right: 1px solid var(--gray-2);
}

.rd-stat:first-child {
    padding-left: 0;
}

.rd-stat:last-child {
    border-right: none;
    padding-right: 0;
}

/* 图标 */
.rd-stat-icon {
    width: 52px;
    height: 52px;
    color: var(--brand);
    margin-bottom: 24px;
}

.rd-stat-icon svg {
    width: 100%;
    height: 100%;
}

/* 数值 */
.rd-stat-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 900;
    color: var(--text);
    line-height: 1;
    margin-bottom: 10px;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.rd-stat-num em {
    font-style: normal;
    font-size: 0.45em;
    font-weight: 600;
    color: var(--gray-text);
    margin-left: 4px;
}

/* 标签 */
.rd-stat-label {
    font-size: 14px;
    color: var(--gray-text);
    letter-spacing: 0.5px;
}

/* 响应式 */
@media (max-width: 900px) {
    .rd-stats {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .rd-stat {
        padding: 0;
        border-right: none;
    }

    .rd-intro-head {
        margin-bottom: 40px;
    }
}

@media (max-width: 560px) {
    .rd-stats {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

/* ========================================================================== */
/* 研发实力 — 2×2 交叉图文布局                                                 */
/* ========================================================================== */
.rd-split-section {
    overflow: hidden;
}

/* 每行：两列等宽 */
.rd-split-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 380px;
}

/* 文字区 */
.rd-split-text {
    background: #fdf7f2;
    padding: 80px 72px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.rd-split-text h3 {
    font-size: clamp(22px, 2.2vw, 30px);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 24px;
    line-height: 1.4;
}

.rd-split-text p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 2;
    margin: 0;
}

/* 图片区 */
.rd-split-img {
    overflow: hidden;
    position: relative;
}

.rd-split-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-width: none;
    transition: transform .8s ease;
}

.rd-split-row:hover .rd-split-img img {
    transform: scale(1.04);
}

/* 响应式 */
@media (max-width: 900px) {
    .rd-split-row {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    /* 移动端图片行始终显示在文字上方 */
    .rd-split-row .rd-split-img {
        min-height: 240px;
        position: relative;
    }

    .rd-split-row .rd-split-img img {
        position: absolute;
    }

    /* 第二行图片在左→移到文字上方 */
    .rd-split-row:nth-child(2) .rd-split-img {
        order: -1;
    }

    .rd-split-text {
        padding: 48px 32px;
    }
}

/* ========================================================================== */
/* 产品详情页 .pd-*                                                             */
/* ========================================================================== */

/* ── 英雄区 ── */
.pd-hero {
    background: linear-gradient(135deg, #171410 0%, #1c1914 60%, #ed6c00 100%);
    color: #fff;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.pd-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1400 500'%3E%3Ccircle cx='1200' cy='-100' r='500' fill='none' stroke='rgba(255,255,255,.05)' stroke-width='1'/%3E%3Ccircle cx='1200' cy='-100' r='350' fill='none' stroke='rgba(255,255,255,.05)' stroke-width='1'/%3E%3C/svg%3E");
    background-size: 100% 100%;
    pointer-events: none;
}

.pd-hero-inner {
    position: relative;
    z-index: 2;
}

.pd-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 16px;
    border: 1px solid rgba(255,255,255,.3);
    border-radius: 999px;
    font-size: 13px;
    color: rgba(255,255,255,.8);
    margin-bottom: 20px;
}

.pd-hero h1 {
    font-size: clamp(32px, 4vw, 54px);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 18px;
}

.pd-hero .pd-hero-desc {
    font-size: 16px;
    color: rgba(255,255,255,.75);
    line-height: 1.9;
    max-width: 680px;
    margin: 0 0 36px;
}

.pd-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.pd-hero-tags span {
    padding: 6px 16px;
    border-radius: 4px;
    background: rgba(255,255,255,.12);
    font-size: 13px;
    color: rgba(255,255,255,.85);
    border: 1px solid rgba(255,255,255,.2);
}

/* ── 概述区：左文右图 ── */
.pd-overview {
    background: #fff;
    padding: 100px 0;
}

.pd-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.pd-overview-text h2 {
    font-size: clamp(24px, 2.4vw, 34px);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 20px;
    line-height: 1.35;
}

.pd-overview-text p {
    font-size: 15px;
    color: var(--gray-text);
    line-height: 2;
    margin: 0 0 14px;
}

.pd-overview-text p:last-child { margin: 0; }

.pd-overview-img {
    background: linear-gradient(135deg, #faf0e8, #fff8f0);
    border-radius: 16px;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pd-overview-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-width: none;
    border-radius: 16px;
}

.pd-overview-img svg {
    width: 96px;
    height: 96px;
    color: var(--brand);
    opacity: .6;
}

/* ── 核心模块 ── */
.pd-modules {
    background: #fdf7f2;
    padding: 100px 0;
}

.pd-modules-title {
    text-align: center;
    margin-bottom: 60px;
}

.pd-modules-title h2 {
    font-size: clamp(24px, 2.6vw, 36px);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 12px;
}

.pd-modules-title p {
    font-size: 15px;
    color: var(--gray-text);
    margin: 0;
}

.pd-modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pd-module-card {
    background: #fff;
    border-radius: 14px;
    padding: 32px 28px;
    box-shadow: 0 3px 16px rgba(3,20,60,.06);
    transition: transform .25s ease, box-shadow .25s ease;
}

.pd-module-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(3,20,60,.1);
}

.pd-module-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(237,108,0,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    color: var(--brand);
}

.pd-module-icon svg { width: 28px; height: 28px; }

.pd-module-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 10px;
}

.pd-module-card p {
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.8;
    margin: 0;
}

/* ── 技术亮点 / 数据栏 ── */
.pd-specs {
    background: #fff;
    padding: 100px 0;
}

.pd-specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid var(--gray-2);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 60px;
}

.pd-spec-item {
    padding: 36px 28px;
    border-right: 1px solid var(--gray-2);
    text-align: center;
}

.pd-spec-item:last-child { border-right: none; }

.pd-spec-num {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 900;
    color: var(--brand);
    line-height: 1;
    margin-bottom: 10px;
}

.pd-spec-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.pd-spec-desc {
    font-size: 12px;
    color: var(--gray-text);
    line-height: 1.6;
}

/* ── CTA ── */
.pd-cta {
    background: linear-gradient(135deg, #f5f6f8 0%, #eef0f4 100%);
    padding: 80px 0;
    text-align: center;
    color: #1a1a1a;
}

.pd-cta h2 {
    font-size: clamp(24px, 2.8vw, 36px);
    font-weight: 700;
    margin: 0 0 16px;
}

.pd-cta p {
    font-size: 15px;
    color: #666;
    margin: 0 0 36px;
}

.pd-cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 900px) {
    .pd-overview-grid { grid-template-columns: 1fr; gap: 40px; }
    .pd-modules-grid { grid-template-columns: 1fr 1fr; }
    .pd-specs-grid { grid-template-columns: 1fr 1fr; }
    .pd-spec-item:nth-child(2) { border-right: none; }
    .pd-spec-item:nth-child(3) { border-top: 1px solid var(--gray-2); }
    .pd-hero { padding: 110px 0 60px; }
}

@media (max-width: 600px) {
    .pd-modules-grid { grid-template-columns: 1fr; }
    .pd-specs-grid { grid-template-columns: 1fr 1fr; }
}

/* ── 首页 Hero 每幻灯片独立背景图 ── */
.hf-bgs {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hf-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.hf-bg.active {
    opacity: 1;
}

/* 幻灯片1 "愿景" 标签：补充宽度让 ::after 横线能延伸 */
.hfs-1 .hfs2-tag {
    width: 200px;
}

/* 首页企业简介 — 4个圆形icon */
.about-circles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 36px;
}

.about-circle {
    display: flex;
    justify-content: center;
}

.about-circle-bg {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: rgba(237, 108, 0, .09);
    border: 1.5px solid rgba(237, 108, 0, .2);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--brand);
    line-height: 1.5;
    transition: background .25s ease, border-color .25s ease, transform .25s ease;
}

.about-circle:hover .about-circle-bg {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    transform: scale(1.06);
}

@media (max-width: 600px) {
    .about-circles {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

/* 圆形icon悬停slogan */
.about-circle {
    position: relative;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.about-circle-tip {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--brand);
    text-align: center;
    line-height: 1.6;
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .28s ease, transform .28s ease;
    pointer-events: none;
    white-space: nowrap;
}

.about-circle:hover .about-circle-tip {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   产品中心 — Tabs + 产品卡片网格
   ========================================================================== */

/* ── 整体区块 ── */
.prod-section {
    padding: 0 0 100px;
    background: #fff;
}

/* ── Tab 导航栏 ── */
.prod-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-2);
    margin-bottom: 52px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.prod-tabs::-webkit-scrollbar { display: none; }

.prod-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--gray-text);
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    transition: color .25s ease, background .25s ease;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    flex-shrink: 0;
    font-family: inherit;
}
.prod-tab:hover {
    color: var(--brand);
    background: rgba(237,108,0,.04);
}
.prod-tab.active {
    color: var(--brand);
    border-bottom-color: var(--brand);
    font-weight: 700;
}

/* Tab 图标圆形底 */
.prod-tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gray-1);
    transition: background .25s ease, color .25s ease;
    flex-shrink: 0;
}
.prod-tab:hover .prod-tab-icon,
.prod-tab.active .prod-tab-icon {
    background: rgba(237,108,0,.12);
    color: var(--brand);
}
.prod-tab-icon svg {
    display: block;
}

/* ── Tab 面板 ── */
.prod-panel {
    display: none;
    animation: prodFadeIn .3s ease;
}
.prod-panel.active {
    display: block;
}
@keyframes prodFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── 产品网格 ── */
.prod-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* ── 产品卡片 ── */
.prod-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 14px;
    border: 1.5px solid var(--gray-2);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.prod-card:hover {
    border-color: var(--brand);
    box-shadow: 0 8px 36px rgba(237,108,0,.13);
    transform: translateY(-5px);
}

/* 正方形主图 */
.prod-card-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--gray-1);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.prod-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform .35s ease;
    display: block;
}
.prod-card:hover .prod-card-img img {
    transform: scale(1.07);
}

/* 无图占位 */
.prod-card-img-placeholder {
    width: 60%;
    height: 60%;
    opacity: .18;
}

/* 卡片信息区 */
.prod-card-body {
    padding: 18px 20px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1.5px solid var(--gray-2);
    transition: border-color .28s ease;
}
.prod-card:hover .prod-card-body {
    border-top-color: rgba(237,108,0,.2);
}

.prod-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin: 0;
}
.prod-card-sub {
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.6;
    flex: 1;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.prod-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand);
    margin-top: 6px;
    transition: gap .2s ease;
}
.prod-card:hover .prod-card-btn { gap: 9px; }

/* 空状态 */
.prod-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 0;
    color: var(--gray-text);
    font-size: 15px;
}

/* ── 响应式 ── */
@media (max-width: 1200px) {
    .prod-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .prod-tab { padding: 14px 20px; font-size: 14px; }
    .prod-tab-icon { width: 34px; height: 34px; }
    .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 600px) {
    .prod-tab { padding: 12px 14px; gap: 8px; font-size: 13px; }
    .prod-tab-icon { width: 30px; height: 30px; border-radius: 8px; }
    .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .prod-card-img img { padding: 12px; }
    .prod-card-body { padding: 14px 14px 16px; }
    .prod-card-title { font-size: 14px; }
}

/* ==========================================================================
   应用场景 — 大卡片 Tabs + 场景详情面板
   ========================================================================== */

/* ── 整体区块 ── */
.scene-section {
    padding: 72px 0 100px;
    background: var(--gray-1);
}

/* ── 4 张大卡片 Tab ── */
.scene-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 52px;
}

.scene-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 36px 16px;
    background: #fff;
    border: 2px solid var(--gray-2);
    border-radius: 18px;
    cursor: pointer;
    text-align: center;
    transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease, background .28s ease;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}
.scene-tab:hover {
    border-color: var(--brand);
    box-shadow: 0 8px 32px rgba(237,108,0,.13);
    transform: translateY(-4px);
}
.scene-tab.active {
    background: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 12px 48px rgba(237,108,0,.30);
    transform: translateY(-6px);
}

/* 图标圆形底 */
.scene-tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(237,108,0,.1);
    color: var(--brand);
    transition: background .28s ease, color .28s ease;
    flex-shrink: 0;
}
.scene-tab:hover .scene-tab-icon {
    background: rgba(237,108,0,.18);
}
.scene-tab.active .scene-tab-icon {
    background: rgba(255,255,255,.2);
    color: #fff;
}

/* 中文名 */
.scene-tab-cn {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    transition: color .28s ease;
    line-height: 1.2;
}
.scene-tab.active .scene-tab-cn { color: #fff; }

/* 英文名 */
.scene-tab-en {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2.5px;
    color: var(--gray-text);
    text-transform: uppercase;
    transition: color .28s ease;
}
.scene-tab.active .scene-tab-en { color: rgba(255,255,255,.65); }

/* ── 内容面板 ── */
.scene-panel {
    display: none;
    animation: sceneFadeSlide .38s cubic-bezier(.22,1,.36,1);
}
.scene-panel.active { display: block; }

@keyframes sceneFadeSlide {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.scene-panel-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #fff;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 4px 48px rgba(20,10,0,.08);
    min-height: 460px;
}

/* 图片侧 */
.scene-panel-img {
    position: relative;
    overflow: hidden;
    background: var(--gray-2);
    aspect-ratio: 4/3;
}
.scene-panel-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s ease;
}
.scene-panel:hover .scene-panel-img img {
    transform: scale(1.04);
}

/* 图片占位（无图时显示） */
.scene-panel-img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gray-1), var(--gray-2));
}
.scene-panel-img-placeholder svg {
    opacity: .25;
}

/* 文字侧 */
.scene-panel-text {
    padding: 52px 52px 52px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 22px;
}
.scene-panel-heading {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.scene-panel-cn {
    font-size: 30px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin: 0;
}
.scene-panel-en {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--brand);
    text-transform: uppercase;
}
/* 橙色下划线 */
.scene-panel-bar {
    width: 48px;
    height: 4px;
    background: var(--brand);
    border-radius: 2px;
}
.scene-panel-body {
    color: #555;
    font-size: 15px;
    line-height: 1.9;
}
.scene-panel-body p { margin: 0 0 10px; }
.scene-panel-body ol,
.scene-panel-body ul { padding-left: 1.2em; margin: 0; }
.scene-panel-body li { margin-bottom: 8px; }

.scene-panel-more {
    align-self: flex-start;
    margin-top: 4px;
}

/* ── 响应式 ── */
@media (max-width: 1100px) {
    .scene-panel-inner { grid-template-columns: 1fr; }
    .scene-panel-img { aspect-ratio: 16/7; }
    .scene-panel-text { padding: 40px 36px; }
    .scene-panel-cn { font-size: 26px; }
}
@media (max-width: 900px) {
    .scene-tabs { gap: 12px; }
    .scene-tab { padding: 26px 12px; gap: 12px; }
    .scene-tab-icon { width: 50px; height: 50px; border-radius: 13px; }
    .scene-tab-cn { font-size: 15px; }
    .scene-tab-en { font-size: 10px; letter-spacing: 1.5px; }
}
@media (max-width: 660px) {
    .scene-tabs { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .scene-tab { padding: 22px 10px; }
    .scene-panel-text { padding: 28px 22px; }
}

/* ==========================================================================
   新闻中心 — Tabs + 新闻列表
   ========================================================================== */

/* ── 整体区块 ── */
.news-tabs-section {
    padding: 0 0 100px;
    background: #fff;
}

/* ── Tab 面板（继承 prod-tabs / prod-tab CSS，仅覆盖差异部分）── */
.news-tabs-bar {
    border-bottom: 2px solid var(--gray-2);
    margin-bottom: 52px;
    display: flex;
    gap: 0;
}
.news-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-text);
    position: relative;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color .25s ease;
    font-family: inherit;
    white-space: nowrap;
}
.news-tab:hover { color: var(--brand); }
.news-tab.active {
    color: var(--brand);
    border-bottom-color: var(--brand);
}
.news-tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: var(--gray-1);
    transition: background .25s ease, color .25s ease;
}
.news-tab:hover .news-tab-icon,
.news-tab.active .news-tab-icon {
    background: rgba(237,108,0,.12);
    color: var(--brand);
}

/* ── 新闻面板 ── */
.news-panel {
    display: none;
    animation: newsFadeIn .3s ease;
}
.news-panel.active { display: block; }
@keyframes newsFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── 新闻列表（水平条）── */
.news-list { display: flex; flex-direction: column; }

.news-item {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    padding: 28px 0;
    border-bottom: 1px solid var(--gray-2);
    text-decoration: none;
    color: inherit;
    transition: padding .22s ease, background .22s ease;
    border-radius: 4px;
}
.news-item:first-child { padding-top: 0; }
.news-item:hover {
    padding-left: 18px;
    padding-right: 18px;
    background: var(--gray-1);
    border-radius: 12px;
    border-bottom-color: transparent;
    margin: 0 -18px;
    padding-left: 36px;
    padding-right: 36px;
}

/* 缩略图 */
.news-item-thumb {
    aspect-ratio: 4 / 3;
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-2);
    flex-shrink: 0;
    position: relative;
}
.news-item-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .38s ease;
}
.news-item:hover .news-item-thumb img { transform: scale(1.07); }

/* 无图占位 */
.news-item-thumb-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1c1914, var(--brand));
    font-family: "Arial Black", sans-serif;
    font-size: 28px;
    font-weight: 900;
    color: rgba(255,255,255,.55);
    letter-spacing: 3px;
}

/* 信息区 */
.news-item-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    padding: 4px 0;
}
.news-item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}
.news-item-date {
    font-size: 13px;
    font-weight: 600;
    color: var(--brand);
    letter-spacing: .5px;
}
.news-item-cat {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-text);
    background: var(--gray-1);
    padding: 2px 10px;
    border-radius: 20px;
}
.news-item-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .22s ease;
}
.news-item:hover .news-item-title { color: var(--brand); }
.news-item-desc {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.75;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-item-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand);
    margin-top: 4px;
    transition: gap .2s ease;
}
.news-item:hover .news-item-more { gap: 9px; }

/* ── 面板底部：查看更多 ── */
.news-panel-footer {
    display: flex;
    justify-content: center;
    padding-top: 48px;
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border: 2px solid var(--brand);
    border-radius: var(--radius);
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    background: transparent;
    text-decoration: none;
    transition: background .25s ease, color .25s ease;
}
.btn-outline:hover {
    background: var(--brand);
    color: #fff;
}

/* ── 空状态 ── */
.news-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--gray-text);
    font-size: 15px;
}
.news-empty svg { margin: 0 auto 16px; opacity: .3; }

/* ── 响应式 ── */
@media (max-width: 900px) {
    .news-item { grid-template-columns: 200px 1fr; gap: 22px; }
    .news-item-title { font-size: 16px; }
}
@media (max-width: 660px) {
    .news-tabs-bar { overflow-x: auto; }
    .news-tab { padding: 16px 22px; font-size: 14px; }
    .news-item { grid-template-columns: 1fr; gap: 14px; }
    .news-item-thumb { aspect-ratio: 16/7; border-radius: 10px; }
    .news-item:hover { margin: 0; padding-left: 0; padding-right: 0; border-radius: 0; border-bottom-color: var(--gray-2); background: transparent; }
}

/* ==========================================================================
   联系我们 — 悬浮卡片内四行联系元素
   ========================================================================== */
.ct-items {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ct-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--gray-2);
    transition: background .2s ease;
}
.ct-item:last-child { border-bottom: none; padding-bottom: 0; }
.ct-item:first-child { padding-top: 0; }

/* 图标圆形 */
.ct-item-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: rgba(237, 108, 0, .1);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* 内容 */
.ct-item-body {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 0;
}

.ct-item-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-text);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.ct-item-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.55;
    word-break: break-all;
}
.ct-item-value a {
    color: var(--text);
    text-decoration: none;
    transition: color .2s ease;
}
.ct-item-value a:hover { color: var(--brand); }

/* 响应式补丁 */
@media (max-width: 900px) {
    .ct-item { gap: 14px; padding: 14px 0; }
    .ct-item-icon { width: 38px; height: 38px; border-radius: 9px; }
    .ct-item-value { font-size: 14px; }
}

/* ==========================================================================
   关于我们 v2 — 4Tab + 企业文化5楼层 + 历程/资质/风采
   ========================================================================== */

/* ── Tab 吸顶栏 ── */
.ab-tab-sticky {
    background: #fff;
    border-bottom: 2px solid var(--gray-2);
    position: sticky;
    top: 72px;
    z-index: 90;
}
.ab-tab-sticky .news-tabs-bar {
    margin-bottom: 0;
    border-bottom: none;
}

/* ============================================================
   楼层 1 — 关于我们
   ============================================================ */
.cul-intro {
    padding: 100px 0;
    background: #fff;
}
.cul-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.cul-brand-en {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 72px;
    font-weight: 900;
    line-height: .9;
    color: transparent;
    -webkit-text-stroke: 2px var(--brand);
    letter-spacing: -3px;
    margin-bottom: 20px;
}
.cul-brand-since {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--gray-text);
    text-transform: uppercase;
    margin-bottom: 24px;
}
.cul-brand-bar {
    width: 56px; height: 4px;
    background: var(--brand);
    border-radius: 2px;
    margin-bottom: 28px;
}
.cul-brand-claim {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.5;
}
.cul-intro-text p {
    font-size: 15px;
    color: #555;
    line-height: 1.95;
    margin: 0 0 16px;
}
.cul-intro-text p:last-child { margin-bottom: 0; }
.cul-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: var(--gray-2);
    margin-top: 72px;
    border-radius: 16px;
    overflow: hidden;
}
.cul-stat {
    background: #fff;
    padding: 28px 16px;
    text-align: center;
    transition: background .25s;
}
.cul-stat:hover { background: var(--gray-1); }
.cul-stat-num {
    font-size: 34px;
    font-weight: 900;
    color: var(--brand);
    font-family: "Arial Black", Arial, sans-serif;
    line-height: 1;
    margin-bottom: 8px;
}
.cul-stat-label { font-size: 13px; color: var(--gray-text); font-weight: 500; }

/* ============================================================
   楼层 2 — 品牌理念
   ============================================================ */
.cul-motto {
    padding: 120px 0;
    background: #0d0b08;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cul-motto-watermark {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 260px;
    font-weight: 900;
    color: rgba(237,108,0,.04);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    line-height: 1;
}
.cul-motto-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    color: var(--brand);
    text-transform: uppercase;
    margin-bottom: 36px;
    position: relative;
}
.cul-motto-cn {
    font-size: 58px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 10px;
    line-height: 1.2;
    position: relative;
    margin-bottom: 0;
}
.cul-motto-divider {
    width: 52px; height: 3px;
    background: var(--brand);
    margin: 28px auto;
    border-radius: 2px;
}
.cul-motto-en {
    font-size: 16px;
    color: rgba(255,255,255,.45);
    letter-spacing: 2px;
    font-style: italic;
    position: relative;
}

/* ============================================================
   楼层 3 — 我们的使命
   ============================================================ */
.cul-mission {
    padding: 100px 0;
    background: #fff8f0;
}
.cul-mission-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 80px;
    align-items: center;
}
.cul-mission-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}
.cul-mission-icon {
    width: 72px; height: 72px;
    border-radius: 18px;
    background: var(--brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.cul-mission-tag {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--brand);
    text-transform: uppercase;
    margin-bottom: 16px;
}
.cul-mission-bignum {
    font-size: 160px;
    font-weight: 900;
    font-family: "Arial Black", Arial, sans-serif;
    color: rgba(237,108,0,.1);
    line-height: .85;
    letter-spacing: -8px;
}
.cul-mission-right h2 {
    font-size: 36px;
    font-weight: 900;
    color: var(--text);
    line-height: 1.45;
    margin: 0 0 24px;
}
.cul-mission-right h2 em {
    font-style: normal;
    color: var(--brand);
}
.cul-mission-right p {
    font-size: 16px;
    color: #666;
    line-height: 1.95;
    margin: 0 0 14px;
}

/* ============================================================
   楼层 4 — 我们的价值观
   ============================================================ */
.cul-values {
    padding: 100px 0;
    background: #fff;
}
.cul-values-header {
    text-align: center;
    margin-bottom: 64px;
}
.cul-values-en {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    color: var(--brand);
    text-transform: uppercase;
    margin-bottom: 12px;
}
.cul-values-cn {
    font-size: 38px;
    font-weight: 900;
    color: var(--text);
    margin: 0;
}
.cul-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.cul-value-card {
    background: var(--gray-1);
    border-radius: 18px;
    padding: 40px 28px 36px;
    position: relative;
    overflow: hidden;
    transition: box-shadow .28s ease, transform .28s ease, background .28s ease;
}
.cul-value-card::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0; right: 0;
    height: 4px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
}
.cul-value-card:hover {
    background: #fff;
    box-shadow: 0 12px 44px rgba(237,108,0,.12);
    transform: translateY(-6px);
}
.cul-value-card:hover::after { transform: scaleX(1); }
.cul-value-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: rgba(237,108,0,.1);
    color: var(--brand);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 26px;
    transition: background .28s, color .28s;
}
.cul-value-card:hover .cul-value-icon {
    background: var(--brand);
    color: #fff;
}
.cul-value-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}
.cul-value-desc {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.8;
}

/* ============================================================
   楼层 5 — 我们的愿景
   ============================================================ */
.cul-vision {
    padding: 120px 0;
    background: var(--brand-gradient);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cul-vision::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 400'%3E%3Ccircle cx='400' cy='200' r='300' fill='none' stroke='rgba(255,255,255,.06)' stroke-width='1'/%3E%3Ccircle cx='400' cy='200' r='200' fill='none' stroke='rgba(255,255,255,.06)' stroke-width='1'/%3E%3Ccircle cx='400' cy='200' r='100' fill='none' stroke='rgba(255,255,255,.08)' stroke-width='1'/%3E%3C/svg%3E") center/cover no-repeat;
    pointer-events: none;
}
.cul-vision-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    color: rgba(255,255,255,.6);
    text-transform: uppercase;
    margin-bottom: 28px;
    position: relative;
}
.cul-vision-cn {
    font-size: 50px;
    font-weight: 900;
    color: #fff;
    line-height: 1.35;
    position: relative;
    margin: 0;
}
.cul-vision-divider {
    width: 56px; height: 2px;
    background: rgba(255,255,255,.4);
    margin: 28px auto;
    border-radius: 2px;
}
.cul-vision-en {
    font-size: 18px;
    color: rgba(255,255,255,.65);
    letter-spacing: 1px;
    position: relative;
}

/* ============================================================
   发展历程 Tab
   ============================================================ */
.ab-history { padding: 72px 0 100px; background: var(--gray-1); }
.ab-tl-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 52px;
}
.ab-tl-card {
    background: #fff;
    border-radius: 14px;
    padding: 28px 32px;
    display: flex;
    gap: 22px;
    align-items: flex-start;
    border-left: 4px solid var(--brand);
    transition: box-shadow .25s ease, transform .25s ease;
}
.ab-tl-card:hover {
    box-shadow: 0 6px 28px rgba(237,108,0,.1);
    transform: translateY(-3px);
}
.ab-tl-year {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 26px;
    font-weight: 900;
    color: var(--brand);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 56px;
    padding-top: 3px;
}
.ab-tl-body p {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
    margin: 0 0 5px;
}
.ab-tl-body p:last-child { margin-bottom: 0; }

/* ============================================================
   企业资质 Tab
   ============================================================ */
.ab-certs { padding: 72px 0 100px; background: var(--gray-1); }
.ab-cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 52px;
}
.ab-cert-card {
    background: #fff;
    border-radius: 14px;
    padding: 20px 20px 22px;
    border: 1.5px solid var(--gray-2);
    text-align: center;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}
.ab-cert-card:hover {
    border-color: var(--brand);
    box-shadow: 0 8px 30px rgba(237,108,0,.1);
    transform: translateY(-4px);
}
.ab-cert-img-wrap {
    aspect-ratio: 3/4;
    background: var(--gray-1);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 14px;
    display: flex; align-items: center; justify-content: center;
}
.ab-cert-img-wrap img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.ab-cert-name { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.5; }

/* 资质占位卡 */
.ab-cert-placeholder { opacity: .35; }
.ab-cert-placeholder .ab-cert-img-wrap {
    background: linear-gradient(135deg, var(--gray-2), var(--gray-3));
}

/* ============================================================
   员工风采 Tab
   ============================================================ */
.ab-staff { padding: 72px 0 100px; background: var(--gray-1); }
.ab-staff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 52px;
}
.ab-staff-card {
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
    background: var(--gray-2);
}
.ab-staff-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.ab-staff-card:hover img { transform: scale(1.06); }
.ab-staff-mask {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(14,10,0,.45) 0%, transparent 55%);
    opacity: 0;
    transition: opacity .3s ease;
}
.ab-staff-card:hover .ab-staff-mask { opacity: 1; }

/* ── 共用: 面板内 section-title ── */
.ab-panel-title { text-align: center; margin-bottom: 0; }
.ab-panel-title h2 { font-size: 34px; font-weight: 900; color: var(--text); margin: 0 0 8px; }
.ab-panel-title p { font-size: 15px; color: var(--gray-text); margin: 0; }

/* ── 响应式 ── */
@media (max-width: 1100px) {
    .cul-intro-grid { grid-template-columns: 1fr; gap: 48px; }
    .cul-brand-en { font-size: 56px; }
    .cul-mission-grid { grid-template-columns: 1fr; gap: 40px; }
    .cul-mission-bignum { font-size: 100px; }
    .cul-values-grid { grid-template-columns: repeat(2, 1fr); }
    .ab-tl-grid { grid-template-columns: 1fr; }
    .ab-cert-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .cul-motto-cn { font-size: 36px; letter-spacing: 6px; }
    .cul-vision-cn { font-size: 32px; }
    .cul-values-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .ab-cert-grid { grid-template-columns: repeat(2, 1fr); }
    .ab-staff-grid { grid-template-columns: repeat(2, 1fr); }
    .cul-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   关于我们 v2 — 4项修改补丁
   ========================================================================== */

/* ── 修改1：数据统计栏背景非纯白 ── */
.cul-stats {
    background: rgba(237,108,0,.12); /* 橙色分割线 */
}
.cul-stat {
    background: #fff8f4; /* 极浅暖橙背景 */
}
.cul-stat:hover { background: #fff3ec; }

/* ── 修改2：发展历程竖向时间线 ── */
.ab-timeline {
    position: relative;
    padding: 16px 0 0;
    margin-top: 52px;
}

/* 贯穿竖线 — 居中于时间轴容器 */
.ab-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--brand) 4%,
        var(--brand) 96%,
        transparent 100%
    );
}

/* 三列网格：左内容 | 节点列(60px) | 右内容，两侧等宽 */
.abt-item {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    align-items: start;
    position: relative;
    min-height: 70px;
}
.abt-item:last-child { min-height: unset; }

/* 节点列固定在中间 */
.abt-node {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 6px;
    position: relative;
    z-index: 1;
}
.abt-dot {
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 5px rgba(237,108,0,.15);
    flex-shrink: 0;
}

/* 年份 */
.abt-year {
    font-family: "Arial Black", Arial, sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--brand);
    line-height: 1;
    padding-top: 0;
}

/* 内容 */
.abt-content {
    padding-bottom: 52px;
    padding-top: 2px;
}
.abt-item:last-child .abt-content { padding-bottom: 8px; }
.abt-content p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin: 0 0 6px;
}
.abt-content p:last-child { margin-bottom: 0; }

/* 奇数项：内容在左（右对齐），年份在右（左对齐）*/
.abt-item:nth-child(odd) .abt-content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
    padding-right: 28px;
    padding-left: 0;
}
.abt-item:nth-child(odd) .abt-content p { text-align: right; }
.abt-item:nth-child(odd) .abt-year {
    grid-column: 3;
    grid-row: 1;
    text-align: left;
    padding-left: 28px;
    padding-right: 0;
}

/* 偶数项：年份在左（右对齐），内容在右（左对齐）*/
.abt-item:nth-child(even) .abt-year {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
    padding-right: 28px;
    padding-left: 0;
}
.abt-item:nth-child(even) .abt-content {
    grid-column: 3;
    grid-row: 1;
    text-align: left;
    padding-left: 28px;
    padding-right: 0;
}
.abt-item:nth-child(even) .abt-content p { text-align: left; }

/* ── 修改3：员工风采卡片含标题 ── */
/* 覆盖旧的 ab-staff-card 样式 */
.ab-staff-card {
    aspect-ratio: unset;          /* 取消旧的4/3比例约束 */
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    border: 1.5px solid var(--gray-2);
    transition: box-shadow .28s ease, transform .28s ease, border-color .28s ease;
}
.ab-staff-card:hover {
    box-shadow: 0 8px 32px rgba(237,108,0,.1);
    transform: translateY(-5px);
    border-color: rgba(237,108,0,.3);
}
.ab-staff-img {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--gray-2);
    position: relative;
}
.ab-staff-img img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: transform .4s ease;
}
.ab-staff-card:hover .ab-staff-img img { transform: scale(1.06); }
.ab-staff-mask {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(14,10,0,.4) 0%, transparent 60%);
    opacity: 0;
    transition: opacity .3s ease;
}
.ab-staff-card:hover .ab-staff-mask { opacity: 1; }
.ab-staff-title {
    padding: 14px 18px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    text-align: center;
    line-height: 1.4;
    border-top: 1px solid var(--gray-2);
    background: #fff;
}

/* ── 修改4：Tab 满宽 + 更高 ── */
.ab-tab-sticky {
    position: sticky;
    top: 72px;
    z-index: 90;
    background: #fff;
    border-bottom: 2px solid var(--gray-2);
    width: 100%;
}
.ab-tab-sticky .news-tabs-bar {
    margin-bottom: 0;
    border-bottom: none;
    max-width: 100%;
    width: 100%;
    justify-content: stretch;
}
.ab-tab-sticky .news-tab {
    flex: 1;
    justify-content: center;
    padding: 28px 24px;
    font-size: 16px;
}
.ab-tab-sticky .news-tab-icon {
    width: 34px; height: 34px;
}
/* 响应式 */
@media (max-width: 768px) {
    .ab-tab-sticky .news-tab { padding: 18px 12px; font-size: 14px; flex: none; }
    .abt-year { font-size: 18px; }
    .abt-content { padding-bottom: 36px; }
}

/* ==========================================================================
   联系我们 — 卡片正方形 + 元素间去除分割线
   ========================================================================== */

/* 卡片恢复正方形（高度 = 宽度）*/
.ct-card {
    aspect-ratio: 1 / 1;
    padding: 52px 60px;
}

/* 四个联系元素之间去除横线分割线 */
.ct-item {
    border-bottom: none;
    padding: 16px 0;
}
.ct-item:last-child { padding-bottom: 0; }
.ct-item:first-child { padding-top: 0; }

/* ==========================================================================
   关于我们 Tabs — 图标去背景 + 放大 + 与容器同宽
   ========================================================================== */

/* 1. Tabs 宽度与 container 对齐（非全宽展开）*/
.ab-tab-sticky .news-tabs-bar {
    max-width: var(--container); /* 1480px */
    width: 92%;
    margin-left: auto;
    margin-right: auto;
    justify-content: stretch;
    border-bottom: none;
}

/* 2. 图标去除轮廓背景圆 */
.ab-tab-sticky .news-tab-icon {
    background: transparent !important;
    border-radius: 0;
    width: auto;
    height: auto;
    padding: 0;
}

/* 3. 图标 SVG 和文字整体放大 */
.ab-tab-sticky .news-tab-icon svg {
    width: 22px;
    height: 22px;
}
.ab-tab-sticky .news-tab {
    font-size: 17px;
    gap: 10px;
}
/* hover/active 时图标颜色保留 */
.ab-tab-sticky .news-tab:hover .news-tab-icon,
.ab-tab-sticky .news-tab.active .news-tab-icon {
    background: transparent !important;
    color: var(--brand);
}

@media (max-width: 768px) {
    .ab-tab-sticky .news-tabs-bar { width: 100%; }
    .ab-tab-sticky .news-tab-icon svg { width: 18px; height: 18px; }
    .ab-tab-sticky .news-tab { font-size: 14px; }
}

/* ==========================================================================
   联系我们 — 四个元素加大间距 + 文字放大
   ========================================================================== */
.ct-item {
    padding: 24px 0;
}
.ct-item:first-child { padding-top: 0; }
.ct-item:last-child  { padding-bottom: 0; }

.ct-item-label {
    font-size: 13px;
    letter-spacing: 1.5px;
}
.ct-item-value {
    font-size: 17px;
    line-height: 1.65;
}

/* ==========================================================================
   产品中心 — Tabs 与关于我们保持一致 + 3列网格
   ========================================================================== */

/* Tab 吸顶栏（与 ab-tab-sticky 完全一致）*/
.prod-tab-sticky {
    position: sticky;
    top: 72px;
    z-index: 90;
    background: #fff;
    border-bottom: 2px solid var(--gray-2);
    width: 100%;
}
.prod-tab-sticky .news-tabs-bar {
    max-width: var(--container);
    width: 92%;
    margin: 0 auto;
    justify-content: stretch;
    border-bottom: none;
    margin-bottom: 0;
}
.prod-tab-sticky .news-tab {
    flex: 1;
    justify-content: center;
    padding: 28px 24px;
    font-size: 17px;
    gap: 10px;
}
.prod-tab-sticky .news-tab-icon {
    background: transparent !important;
    border-radius: 0;
    width: auto; height: auto; padding: 0;
}
.prod-tab-sticky .news-tab-icon svg {
    width: 22px; height: 22px;
}
.prod-tab-sticky .news-tab:hover .news-tab-icon,
.prod-tab-sticky .news-tab.active .news-tab-icon {
    background: transparent !important;
    color: var(--brand);
}

/* 产品面板（复用 news-panel 动画）*/
.prod-panel { display: none; animation: newsFadeIn .3s ease; }
.prod-panel.active { display: block; }

/* 3列产品网格 */
.prod-grid--3 {
    grid-template-columns: repeat(3, 1fr) !important;
}

@media (max-width: 900px) {
    .prod-tab-sticky .news-tab { padding: 18px 14px; font-size: 14px; }
    .prod-grid--3 { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 540px) {
    .prod-grid--3 { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
}

/* 新闻中心 — 面板区上方留白（tabs已提至吸顶）*/
.news-tabs-section {
    padding-top: 52px;
}

/* 响应式：小屏退回左侧单列 */
@media (max-width: 680px) {
    .ab-timeline::before { left: 48px; transform: none; }
    .abt-item { grid-template-columns: 40px 36px 1fr; }
    .abt-item:nth-child(odd) .abt-year,
    .abt-item:nth-child(even) .abt-year {
        grid-column: 1; grid-row: 1;
        text-align: right; padding-right: 0; padding-left: 0;
        font-size: 18px;
    }
    .abt-item:nth-child(odd) .abt-content,
    .abt-item:nth-child(even) .abt-content {
        grid-column: 3; grid-row: 1;
        text-align: left; padding-left: 12px; padding-right: 0;
    }
    .abt-item:nth-child(odd) .abt-content p,
    .abt-item:nth-child(even) .abt-content p { text-align: left; }
    .abt-node { grid-column: 2; }
}

/* ==========================================================================
   产品详情 v2 — 浅色 Hero + 动态内容区
   ========================================================================== */

/* Hero 浅色系覆盖 */
.pd-hero--light {
    background: linear-gradient(135deg, #fff8f2 0%, #fff3e8 60%, #ffeedd 100%);
    color: var(--text);
    padding: 80px 0 72px;
}
.pd-hero--light::after { display: none; }

.pd-hero--light .breadcrumb,
.pd-hero--light .breadcrumb a { color: var(--gray-text) !important; }

.pd-hero--light h1 {
    color: var(--text);
    font-size: 42px;
    margin: 8px 0 12px;
}

.pd-hero--light .pd-hero-subtitle {
    font-size: 18px;
    color: var(--gray-text);
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.5;
}

.pd-hero--light .pd-hero-tags span {
    background: rgba(237,108,0,.1);
    color: var(--brand);
    border: 1px solid rgba(237,108,0,.25);
}

/* ========================================================================== */
/* PDF 在线预览弹层                                                             */
/* ========================================================================== */
.pdf-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, .72);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.pdf-modal.active {
    display: flex;
}
.pdf-modal-inner {
    position: relative;
    width: 100%;
    max-width: 960px;
    height: 86vh;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .5);
    display: flex;
    flex-direction: column;
    isolation: isolate;
}
.pdf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: #f5f5f5;
    border-bottom: 1px solid #e5e5e5;
    flex-shrink: 0;
}
.pdf-modal-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}
.pdf-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    color: #666;
    font-size: 20px;
    line-height: 1;
    transition: background .2s;
}
.pdf-modal-close:hover {
    background: #e0e0e0;
    color: #111;
}
#pdf-preview-frame {
    flex: 1;
    width: 100%;
    border: none;
}
@media (max-width: 600px) {
    .pdf-modal-inner {
        height: 92vh;
        border-radius: 8px;
    }
}

/* 下载说明书 + 在线预览 按钮组 */
.pd-hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.btn-capsule {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 999px;
    border: 1.5px solid var(--brand);
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    background: transparent;
    text-decoration: none;
    transition: background .25s ease, color .25s ease;
}
.btn-capsule:hover {
    background: var(--brand);
    color: #fff;
}

/* 产品详情内容区 */
.pd-content-section {
    padding: 80px 0 100px;
    background: #fff;
}
.pd-content-body {
    max-width: 860px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.9;
    color: #444;
}
.pd-content-body h2,
.pd-content-body h3,
.pd-content-body h4 {
    color: var(--text);
    margin: 32px 0 14px;
    font-weight: 700;
}
.pd-content-body h2 { font-size: 24px; }
.pd-content-body h3 { font-size: 20px; }
.pd-content-body h4 { font-size: 17px; }
.pd-content-body p  { margin: 0 0 16px; }
.pd-content-body img { max-width: 100%; border-radius: 10px; margin: 20px 0; }
.pd-content-body table {
    width: 100%; border-collapse: collapse;
    margin: 24px 0; font-size: 14px;
}
.pd-content-body table th,
.pd-content-body table td {
    border: 1px solid var(--gray-2);
    padding: 10px 14px;
    text-align: left;
}
.pd-content-body table th {
    background: var(--gray-1);
    font-weight: 700;
    color: var(--text);
}
.pd-content-body ul,
.pd-content-body ol {
    padding-left: 1.5em;
    margin-bottom: 16px;
}
.pd-content-body li { margin-bottom: 6px; }

/* ==========================================================================
   产品详情 — 详情/参数 Tabs + 参数表格
   ========================================================================== */

/* ── Tab 导航 ── */
.pd-detail-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-2);
    margin-bottom: 40px;
}
.pd-detail-tab {
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-text);
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color .25s ease;
    font-family: inherit;
}
.pd-detail-tab:hover { color: var(--brand); }
.pd-detail-tab.active {
    color: var(--brand);
    border-bottom-color: var(--brand);
}

/* ── 面板 ── */
.pd-detail-panel { display: none; }
.pd-detail-panel.active { display: block; }

/* ── 详情内容宽度与container一致（去掉旧的 max-width: 860px 约束）── */
.pd-content-body {
    max-width: 100%;
}

/* ── 参数表格 ── */
.pd-param-table {
    display: flex;
    flex-direction: column;
    border: 1.5px solid var(--gray-2);
    border-radius: 12px;
    overflow: hidden;
}
.pd-param-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    border-bottom: 1px solid var(--gray-2);
}
.pd-param-row:last-child { border-bottom: none; }

.pd-param-name {
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    background: var(--gray-1);
    border-right: 1px solid var(--gray-2);
    line-height: 1.6;
}
.pd-param-value {
    padding: 14px 20px;
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    background: #fff;
}

/* 参数为空时的提示 */
.pd-param-table:empty::after {
    content: '暂无参数信息，请在后台「产品参数」中添加。';
    display: block;
    padding: 40px;
    text-align: center;
    color: var(--gray-text);
    font-size: 14px;
}

@media (max-width: 600px) {
    .pd-detail-tab { padding: 14px 20px; font-size: 14px; }
    .pd-param-row { grid-template-columns: 1fr; }
    .pd-param-name { border-right: none; border-bottom: 1px solid var(--gray-2); }
}



/* ==========================================================================
   产品详情 — 外观结构图片集
   ========================================================================== */
.pd-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.pd-gallery-item {
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-1);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pd-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    transition: transform .35s ease;
    display: block;
}
.pd-gallery-item:hover img { transform: scale(1.05); }

@media (max-width: 768px) {
    .pd-gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
    .pd-gallery-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   产品详情 — 外观结构图片集（单列纵向排列）
   ========================================================================== */
.pd-gallery-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.pd-gallery-row {
    display: block;
}
.pd-gallery-row img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    object-fit: contain;
}
.pd-gallery-caption {
    margin: 12px 0 0;
    font-size: 13px;
    color: var(--gray-text);
    text-align: center;
    line-height: 1.6;
}

/* ==========================================================================
   资讯动态 — 3列卡片列表 + 详情页
   ========================================================================== */

/* ── 3列卡片网格 ── */
.nc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}

/* ── 新闻卡片 ── */
.nc-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 14px;
    border: 1.5px solid var(--gray-2);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color .28s, box-shadow .28s, transform .28s;
}
.nc-card:hover {
    border-color: var(--brand);
    box-shadow: 0 8px 32px rgba(237,108,0,.12);
    transform: translateY(-5px);
}

/* 缩略图 */
.nc-card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--gray-1);
    position: relative;
}
.nc-card-img img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: transform .38s;
}
.nc-card:hover .nc-card-img img { transform: scale(1.06); }

/* 无图占位 */
.nc-card-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1c1914, var(--brand));
    font-family: "Arial Black", sans-serif;
    font-size: 24px; font-weight: 900;
    color: rgba(255,255,255,.5);
    letter-spacing: 3px;
}

/* 卡片信息区 */
.nc-card-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.nc-card-meta {
    display: flex; align-items: center; gap: 10px;
}
.nc-card-date {
    font-size: 12px; font-weight: 600;
    color: var(--brand); letter-spacing: .5px;
}
.nc-card-cat {
    font-size: 11px; font-weight: 600;
    color: var(--gray-text);
    background: var(--gray-1);
    padding: 2px 9px; border-radius: 20px;
}
.nc-card-title {
    font-size: 16px; font-weight: 700;
    color: var(--text); line-height: 1.5; margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .22s;
}
.nc-card:hover .nc-card-title { color: var(--brand); }
.nc-card-subtitle {
    font-size: 13px; color: var(--gray-text);
    line-height: 1.7; margin: 0; flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nc-card-more {
    font-size: 13px; font-weight: 600;
    color: var(--brand); margin-top: 4px;
    transition: letter-spacing .2s;
    display: inline-block;
}
.nc-card:hover .nc-card-more { letter-spacing: 1px; }

/* 面板底部 */
.nc-footer {
    grid-column: 1 / -1;
    display: flex; justify-content: center;
    padding-top: 40px;
}

/* ── 资讯详情页 ── */
.nc-detail-meta {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 12px;
}
.nc-detail-body {
    max-width: 860px;
    margin: 0 auto;
}

/* 上下篇导航 */
.nc-detail-nav {
    display: flex;
    gap: 20px;
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-2);
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}
.nc-nav-item {
    flex: 1;
    display: flex; flex-direction: column; gap: 6px;
    padding: 18px 20px;
    background: var(--gray-1);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: background .22s, border-color .22s;
    border: 1.5px solid var(--gray-2);
}
.nc-nav-item:hover { background: #fff; border-color: var(--brand); }
.nc-nav-next { text-align: right; }
.nc-nav-label { font-size: 12px; color: var(--brand); font-weight: 600; }
.nc-nav-title {
    font-size: 14px; color: var(--text); font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 响应式 */
@media (max-width: 1000px) {
    .nc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nc-grid { grid-template-columns: 1fr; gap: 16px; }
    .nc-detail-nav { flex-direction: column; }
}

/* 资讯详情正文宽度与container一致 */
.nc-detail-body,
.nc-detail-nav {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
}