/* =========================================================
   Banjin Metal — 深蓝工业极简风
   主色 #003366 · 品牌亮蓝 #1E6FD9 · 强调橙红 #FF6B00（仅 CTA）
   ========================================================= */

:root {
    --navy: #003366;
    --navy-deep: #00264d;
    --blue: #1E6FD9;
    --blue-dark: #17509E;
    --accent: #FF6B00;
    --text-main: #222222;
    --text-body: #555555;
    --text-muted: #666666;
    --bg-body: #ffffff;
    --bg-card: #f5f5f6;
    --bg-soft: #fbfbfb;
    --line: #e1e1e1;
    --line-strong: #d9d9d9;
    --white: #ffffff;
    --header-h: 72px;
    --radius: 8px;
    --font: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", "微软雅黑", sans-serif;
}

/* ---------- 基础 ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* 滚动显现动画的 translateX 会让未进入视口的元素横向溢出，撑宽文档后
   手机端 position:fixed 的浮动栏会被挤到可视区外。这里裁剪横向溢出。
   用 clip（不产生滚动容器，不影响 position:sticky）并保留 hidden 兜底。 */
html,
body {
    overflow-x: clip;
}
@supports not (overflow: clip) {
    html,
    body { overflow-x: hidden; }
}

body {
    font-family: var(--font);
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.8;
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    max-width: none !important;
    margin: 0 !important;
}

h1, h2, h3, h4 {
    color: var(--text-main);
    line-height: 1.35;
    font-weight: 700;
    margin: 0 0 .6em;
}

p { margin: 0 0 1em; }
a { color: var(--blue); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--blue-dark); }
ul { margin: 0; padding: 0; list-style: none; }
img { display: block; }

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 24px;
}

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary:hover { box-shadow: 0 8px 20px rgba(255, 107, 0, .25); }

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: #e05f00;
    border-color: #e05f00;
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .75);
}
.btn-outline:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
}

.btn-block { display: block; width: 100%; }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* ---------- 吸顶导航 ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s ease, background .25s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 4px 16px rgba(0, 20, 50, .12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 24px;
}

.site-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    color: #fff;
}
.site-brand-text:hover { color: #fff; }
.site-brand-img {
    display: flex;
    align-items: center;
    height: 100%;
}
.site-brand-img img {
    display: block;
    height: 44px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
}
.brand-zh {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 2px;
}
.brand-en {
    font-size: 11px;
    letter-spacing: 3px;
    color: #9db8d8;
    text-transform: uppercase;
}

.main-nav-list {
    display: flex;
    gap: 10px;
}

.main-nav-list a {
    display: block;
    padding: 8px 10px;
    color: var(--text-main);
    font-size: 14px;
    border-radius: 4px;
    position: relative;
    white-space: nowrap; /* 防止英文导航项（如 About Us）被挤成两行 */
    transition: color .2s ease, background .2s ease;
}
.main-nav-list a:hover {
    color: var(--blue);
    background: rgba(30, 111, 217, .08);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-phone {
    color: var(--text-main);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: .5px;
    white-space: nowrap;
}
.header-phone:hover { color: var(--blue); }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 8px;
    background: transparent;
    border: 1px solid rgba(0, 51, 102, .3);
    border-radius: 4px;
    cursor: pointer;
}
.nav-toggle-bar {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--navy);
    transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero — 全屏大图 ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--navy-deep);
    padding: 0;
    color: #fff;
    overflow: hidden;
}

/* Hero 背景轮播层 */
.hero-slides {
    position: absolute;
    inset: 0;
}
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
}
.hero-slide.is-active { opacity: 1; }

.hero-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 48px;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}
.hero-dots button {
    width: 28px;
    height: 3px;
    padding: 0;
    border: none;
    border-radius: 2px;
    background: rgba(255, 255, 255, .35);
    cursor: pointer;
    transition: background .3s ease, width .3s ease;
}
.hero-dots button.is-active {
    width: 44px;
    background: var(--accent);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, rgba(0, 26, 51, .88) 0%, rgba(0, 38, 77, .60) 50%, rgba(0, 38, 77, .30) 100%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    padding: 0 24px;
}

.hero-eyebrow {
    font-size: 14px;
    letter-spacing: 6px;
    color: #9db8d8;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 3px;
    margin-bottom: 22px;
    line-height: 1.2;
}

.hero-sub {
    font-size: 18px;
    color: #c8d6e8;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

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

/* 滚动提示箭头 */
.hero-scroll-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: scrollBounce 2s ease infinite;
}
.hero-scroll-hint span {
    display: block;
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255,255,255,.6);
    border-bottom: 2px solid rgba(255,255,255,.6);
    transform: rotate(45deg);
}
@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: .6; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 1; }
}

/* 首屏入场动画 */
.hero-eyebrow,
.hero-title,
.hero-sub,
.hero-actions {
    opacity: 0;
    animation: heroIn .8s cubic-bezier(.22, .61, .36, 1) forwards;
}
.hero-eyebrow { animation-delay: .05s; }
.hero-title { animation-delay: .18s; }
.hero-sub { animation-delay: .32s; }
.hero-actions { animation-delay: .46s; }
@keyframes heroIn {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: none; }
}

/* ---------- 区块通用 ---------- */
.section {
    padding: 88px 0;
}

.section-eyebrow {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--blue);
    text-transform: uppercase;
    margin-bottom: 10px;
    text-align: center;
}

.section-title {
    font-size: 34px;
    font-weight: 800;
    text-align: center;
    color: var(--text-main);
    margin-bottom: 14px;
    letter-spacing: 1px;
}

.section-desc {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
    color: var(--text-muted);
    font-size: 15px;
}

.section-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 24px 0;
}

/* ---------- 关于我们 ---------- */
.about { background: var(--bg-soft); }

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 56px;
    align-items: center;
}

.about-media {
    position: relative;
}
.about-slides {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(0, 38, 77, .18);
}
.about-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease;
}
.about-slide.is-active { opacity: 1; }

.about-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
}
.about-dots button {
    width: 8px;
    height: 8px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: #c3cedb;
    cursor: pointer;
    transition: background .3s ease, transform .3s ease;
}
.about-dots button.is-active {
    background: var(--blue);
    transform: scale(1.25);
}

.about-content .section-eyebrow,
.about-content .section-title {
    text-align: left;
}

.about-content p { color: var(--text-body); }

.about-content .btn { margin-top: 8px; }

/* ---------- 卡片网格（flex 居中，末行不满 3 张自动居中） ---------- */
.cards-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.cards-grid-3 > * { flex: 0 0 calc((100% - 48px) / 3); }
.cards-grid-4 > * { flex: 0 0 calc((100% - 72px) / 4); }
.cards-grid-5 > * { flex: 0 0 calc((100% - 96px) / 5); }
.cards-grid-6 > * { flex: 0 0 calc((100% - 48px) / 3); }

.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* ---------- 核心业务（图片铺满，悬停浮现文字介绍） ---------- */
.service-card {
    position: relative;
    /* 4:3 基础上放大 1.5 倍面积（宽高比 8:9，即高度 ×1.5），保持一行三张 */
    aspect-ratio: 8 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--navy-deep);
    transition: box-shadow .3s ease;
}
.service-card:hover {
    box-shadow: 0 16px 32px rgba(0, 38, 77, .22);
}

.service-card-link {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    color: #fff;
    text-decoration: none;
}

.service-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
}
.service-card:hover .service-card-img { transform: scale(1.06); }

.service-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 22px 20px;
    background: linear-gradient(180deg, rgba(0, 38, 77, 0) 42%, rgba(0, 38, 77, .85) 100%);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .3s ease, transform .3s ease;
}
.service-card:hover .service-overlay {
    opacity: 1;
    transform: translateY(0);
}

.service-overlay .card-title {
    display: inline-block;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--accent);
    color: #fff;
    font-size: 20px;
}
.service-overlay .card-text {
    color: rgba(255, 255, 255, .88);
    line-height: 1.7;
    font-size: 14px;
}

/* ---------- 设备实力 ---------- */
.equipment { background: var(--navy); }

.equipment .section-title { color: #fff; }
.equipment .section-eyebrow { color: #7ea6d6; }
.equipment .section-desc { color: #b9c9dd; }

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.equipment-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius);
    padding: 22px 20px;
    transition: border-color .25s ease, background .25s ease;
}
.equipment-card:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .3);
}

.equipment-name {
    color: #fff;
    font-size: 17px;
    margin-bottom: 8px;
}
.equipment-spec {
    color: #b9c9dd;
    font-size: 13px;
    margin: 0;
    line-height: 1.7;
}

.equipment-media {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 14px;
    aspect-ratio: 4 / 3;
    background: rgba(255, 255, 255, .08);
}
.equipment-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}
.equipment-card:hover .equipment-media img {
    transform: scale(1.05);
}

.advantages-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 28px;
}
.advantage-item {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius);
    padding: 20px 18px;
    border-top: 3px solid var(--blue);
    transition: background .25s ease, border-color .25s ease;
}
.advantage-item:hover {
    background: rgba(255, 255, 255, .12);
    border-color: rgba(255, 255, 255, .3);
}
.advantage-item-title {
    color: #fff;
    font-size: 16px;
    margin-bottom: 8px;
}
.advantage-item-text {
    color: #b9c9dd;
    font-size: 13px;
    line-height: 1.7;
    margin: 0;
}

/* 产品中心页：行业应用区块 */
.products-industries {
    margin-top: 56px;
    padding-top: 44px;
    border-top: 1px solid var(--line);
}

/* ---------- 行业应用 ---------- */
.industry-card {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.industry-card::before {
    content: "";
    position: absolute;
    left: 20%;
    right: 20%;
    top: 0;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: var(--blue);
    opacity: 0;
    transform: scaleX(.4);
    transition: opacity .25s ease, transform .25s ease;
}
.industry-card:hover {
    transform: translateY(-4px);
    border-color: var(--blue);
    box-shadow: 0 10px 24px rgba(0, 51, 102, .1);
}
.industry-card:hover::before {
    opacity: 1;
    transform: scaleX(1);
}

/* ---------- 核心优势 ---------- */
.advantages { background: #edf3fa; }

.advantage-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px 24px;
    position: relative;
    transition: transform .25s ease, box-shadow .25s ease;
}
.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 26px rgba(0, 38, 77, .1);
}
.advantage-card .card-title {
    padding-left: 18px;
    position: relative;
}
.advantage-card .card-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 6px;
    height: 18px;
    background: var(--accent);
    border-radius: 2px;
}

/* ---------- 新闻动态 ---------- */
.news-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 26px rgba(0, 38, 77, .1);
}

.news-date {
    font-size: 12px;
    color: #999;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.5;
}
.news-title a { color: var(--text-main); }
.news-title a:hover { color: var(--blue); }

.news-more {
    text-align: center;
    margin-top: 32px;
}

/* ---------- 新闻列表（左右分栏） ---------- */
.news-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
}
.news-sidebar {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    height: 100%;
}
.news-sidebar-title {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--blue);
}
.news-cats {
    list-style: none;
    margin: 0;
    padding: 0;
}
.news-cats li { margin-bottom: 4px; }
.news-cats a {
    display: block;
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--text-body);
    font-size: 14px;
    text-decoration: none;
    transition: background .2s ease, color .2s ease;
}
.news-cats a:hover { background: #fff; color: var(--blue); }
.news-cats a.is-active {
    background: var(--blue);
    color: #fff;
    font-weight: 600;
}
.news-list-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item .news-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.news-list-title {
    font-size: 17px;
    margin-bottom: 6px;
}
.news-list-title a { color: var(--text-main); text-decoration: none; }
.news-list-title a:hover { color: var(--blue); }
.news-list-excerpt {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 8px;
}
/* 阅读全文：btn-outline 默认白字白边（面向深色 hero），白底列表上改为品牌蓝描边 */
.news-list-item .btn-outline {
    color: var(--blue);
    border-color: rgba(30, 111, 217, .45);
    background: transparent;
}
.news-list-item .btn-outline:hover {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(30, 111, 217, .08);
    transform: translateY(-1px);
}
.news-pagination {
    margin-top: 28px;
    text-align: center;
}
.news-pagination .page-numbers {
    display: inline-block;
    padding: 7px 13px;
    margin: 0 3px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-body);
    text-decoration: none;
    background: #fff;
}
.news-pagination .page-numbers.current,
.news-pagination .page-numbers:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
}
@media (max-width: 768px) {
    /* minmax(0,1fr)：防止分类横向滚动条（news-cats nowrap）的 min-content 撑破单列，
       导致移动端整页横向溢出（实测 1fr 会解析为 ~614px）。 */
    .news-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .news-sidebar { position: static; padding: 16px; }
    .news-sidebar-title { margin-bottom: 12px; }
    .news-cats {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .news-cats::-webkit-scrollbar { display: none; }
    .news-cats li { margin-bottom: 0; flex: 0 0 auto; }
    .news-cats a { white-space: nowrap; }
}

/* ---------- 联系我们 ---------- */
.contact {
    background: #fff;
    padding: 0;
}

/* 顶部横幅：深蓝实色横贯条，居中大标题 */
.contact-banner {
    background: var(--navy);
    text-align: center;
    padding: 76px 0 72px;
}
.contact-banner-title {
    color: #fff;
    font-size: 38px;
    font-weight: 800;
    letter-spacing: 8px;
    margin: 0;
}

/* ---------- 联系页（独立页）：干净头部 + 高密度 ---------- */
.contact-page .contact-banner {
    background: transparent;
    text-align: left;
    padding: calc(var(--header-h) + 24px) 0 6px;
}
.contact-page .contact-banner-title {
    color: var(--text-main);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 2px;
    display: inline-block;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    margin: 0;
}
.contact-page .contact-main {
    background: #fff;
    padding: 28px 0 64px;
}
.contact-page .contact-welcome {
    text-align: left;
    max-width: 100%;
    margin: 0 0 26px;
}
.contact-page .contact-welcome-main { font-size: 19px; }
.contact-page .contact-welcome-sub { font-size: 14px; }
.contact-page .contact-grid { gap: 32px; }
.contact-page .contact-form-card { padding: 28px 26px 26px; }

/* 内容区：浅灰实色大内边距容器 */
.contact-main {
    background: #f2f4f7;
    padding: 64px 0 88px;
}

/* 居中欢迎文案两行 */
.contact-welcome {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}
.contact-welcome-main {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 10px;
}
.contact-welcome-sub {
    font-size: 15px;
    color: var(--text-muted);
    margin: 0;
}

/* 主体两栏：表单区 2/3 · 联系信息区 1/3 */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

/* ---------- 表单区：白卡片 ---------- */
.contact-form-card {
    background: #fff;
    border: 1px solid #e3e6ea;
    border-radius: 12px;
    padding: 40px 36px 34px;
    box-shadow: 0 12px 32px rgba(0, 38, 77, .07);
}

.contact-form-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 6px;
}
.contact-form-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 24px;
}

/* 字段布局 */
.form-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 姓名 + 电话 同一行 */
.form-row-inline {
    display: flex;
    width: 100%;
    gap: 20px;
    justify-content: space-between;
}

.form-row-inline .form-field {
    min-width: 0;
}

/* 姓名列固定宽度，电话列填充 */
.form-field-name {
    flex: 0 0 240px;
    width: 240px;
}

.form-row-inline .form-field-phone {
    flex: 0.8 1 0;
}

.form-field {
    min-width: 0;
    margin: 0;
}

.form-field-full {
    width: 100%;
}

.form-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.req { color: var(--accent); }

.optional { color: var(--text-muted); font-weight: 400; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}
.form-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.checkbox-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: border-color .2s ease, background .2s ease;
}
.checkbox-item:hover { border-color: var(--blue); }
.checkbox-item input { width: 16px; height: 16px; accent-color: var(--blue); }
.form-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-field select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    color: var(--text-main);
    background: #fff;
}
.form-field select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(30, 111, 217, .12);
}

.form-field input[type="file"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px dashed var(--line);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-main);
    background: #fff;
    cursor: pointer;
}
.form-field input[type="file"]::file-selector-button {
    margin-right: 12px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    background: var(--blue);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}

.form-field input[type="text"],
.form-field input[type="tel"],
.form-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    color: var(--text-main);
    background: #fff;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.form-field textarea { resize: vertical; min-height: 110px; }

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(30, 111, 217, .12);
}

.form-consent { margin-bottom: 22px; }

.consent-label {
    display: flex !important;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px !important;
    font-weight: 400 !important;
    color: var(--text-muted) !important;
    line-height: 1.7;
    cursor: pointer;
}
.consent-label input {
    margin-top: 4px;
    flex: none;
    width: 16px;
    height: 16px;
    accent-color: var(--blue);
}

/* 提交按钮：品牌橙 CTA */
.contact-form .btn-submit {
    display: block;
    width: 100%;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 4px;
    color: #fff;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(255, 107, 0, .3);
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.contact-form .btn-submit:hover {
    background: #e05a00;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(255, 107, 0, .4);
}

/* ---------- 联系信息区 ---------- */
.contact-info-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 14px;
    padding-left: 12px;
    border-left: 3px solid var(--blue);
    letter-spacing: 1px;
}

/* 公司地址折叠卡片（原生 details/summary） */
.contact-address-list {
    display: grid;
    gap: 12px;
    margin-bottom: 40px;
}
.address-card {
    background: #fff;
    border: 1px solid #e3e6ea;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0, 38, 77, .05);
}
.address-card summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    transition: color .2s ease;
}
.address-card summary::-webkit-details-marker { display: none; }
.address-card summary:hover { color: var(--blue); }

.address-card-icon {
    flex: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-size: 16px;
    line-height: 22px;
    text-align: center;
    transition: transform .25s ease;
}
.address-card[open] .address-card-icon { transform: rotate(45deg); }

.address-card-body {
    padding: 12px 18px 16px;
    border-top: 1px solid #eef0f3;
}
.address-line {
    display: flex;
    gap: 10px;
    font-size: 14px;
    margin: 0 0 6px;
    color: var(--text-body);
}
.address-line:last-child { margin-bottom: 0; }
.address-label { flex: none; color: var(--text-muted); }
.address-line a { color: var(--text-body); }
.address-line a:hover { color: var(--blue); }

/* 技术支持热线 */
.hotline-card {
    background: #fff;
    border: 1px solid #e3e6ea;
    border-radius: 10px;
    padding: 6px 18px;
    box-shadow: 0 6px 18px rgba(0, 38, 77, .05);
}
.hotline-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
}
.hotline-item + .hotline-item { border-top: 1px solid #eef0f3; }
.wechat-card {
    background: #fff;
    border: 1px solid #e3e6ea;
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    margin-bottom: 18px;
}
.wechat-card img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    border-radius: 8px;
    background: #fff;
}
.wechat-tip {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-muted);
}
.hotline-icon {
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #eaf1f9;
    color: var(--blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.hotline-icon svg { width: 19px; height: 19px; }
.hotline-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.hotline-value {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
}
.hotline-value a { color: var(--text-main); }
.hotline-value a:hover { color: var(--blue); }
.hotline-note {
    font-size: 11px;
    color: #999;
}

.form-tip {
    margin-top: 14px;
    font-size: 12px;
    color: #999;
    text-align: center;
}

.form-notice {
    border-radius: 6px;
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 14px;
}
.form-notice p { margin: 0; }

.form-success {
    background: #eaf6ef;
    border: 1px solid #bfe6cd;
    color: #1d7a44;
}

.form-error {
    background: #fdf0ee;
    border: 1px solid #f3c4bb;
    color: #b3362a;
}
.form-error p { margin-bottom: 4px; }
.form-error p:last-child { margin-bottom: 0; }

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--navy-deep);
    color: #b9c9dd;
    padding-top: 56px;
    width: 100%;
}

.footer-title {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
/* 桌面端隐藏箭头指示 */
.footer-title::after { content: none; }

.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #b9c9dd; font-size: 14px; }
.footer-links a:hover { color: #fff; }

/* 页脚移动端折叠按钮 */
.footer-toggle {
    display: none;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255,255,255,.08);
    color: #fff;
    font-size: 18px;
    border-radius: 50%;
    cursor: pointer;
    transition: background .2s ease, transform .3s ease;
    align-items: center;
    justify-content: center;
    flex: none;
}
.footer-toggle:hover { background: rgba(255,255,255,.15); }
.footer-col.is-open .footer-toggle { transform: rotate(45deg); }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 18px 0;
}

.footer-bottom-inner {
    display: flex;
    flex-direction: column;
    gap: 0;
    font-size: 13px;
    color: #8aa3bd;
}

/* footer 全宽：内容列不限制在 1200px，撑满屏幕，左右不再留大片深色空白，
   用随视口缩放的留白（5vw）保证大屏不贴边、小屏不溢出 */
.site-footer .container {
    max-width: 100%;
    padding-left: max(24px, 5vw);
    padding-right: max(24px, 5vw);
}
.footer-bottom-inner p { margin: 0; }

/* ---------- 内页 ---------- */
.page-inner {
    padding-top: calc(var(--header-h) + 48px);
    padding-bottom: 72px;
    min-height: 60vh;
}

.breadcrumb {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.breadcrumb a { color: var(--blue); }
.bc-sep { margin: 0 8px; color: #ccc; }

.page-title {
    font-size: 30px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--accent);
    display: inline-block;
}

/* 客户案例 / 关于我们 等页面：桌面端标题居中，移动端自适应仍居中 */
.page-template-page-cases .page-content > .page-title,
.page-template-page-about .page-content > .page-title {
    display: block;
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.page-template-page-cases .page-lead {
    text-align: center;
}

/* ---------- 工艺页 ---------- */
.process-hero { margin-bottom: 32px; }
.process-title { font-size: 30px; }
.process-intro {
    margin-top: 16px;
    color: var(--text-body);
    line-height: 1.9;
    max-width: 860px;
}
.process-block { margin-bottom: 40px; }
.process-block .section-title { font-size: 22px; margin-bottom: 16px; }
.process-spec {
    width: 100%;
    max-width: 860px;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}
.process-spec th {
    text-align: left;
    width: 160px;
    min-width: 120px;
    padding: 12px 16px;
    background: var(--bg-soft);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    border-bottom: 1px solid var(--line);
}
.process-spec td {
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px solid var(--line);
    word-break: break-word;
}
.process-spec tr:last-child th,
.process-spec tr:last-child td { border-bottom: none; }

@media (max-width: 768px) {
    .process-spec {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        white-space: nowrap;
    }
    .process-spec th,
    .process-spec td {
        white-space: normal;
    }
}
.process-equipment {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}
.process-note {
    font-size: 13px;
    color: var(--text-muted);
    max-width: 860px;
}
.process-apps {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
    margin: 0;
}
.process-apps li {
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    font-size: 14px;
    color: var(--text-body);
}
.process-faq { max-width: 860px; }
.process-faq-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    margin-bottom: 10px;
    padding: 14px 18px;
}
.process-faq-item summary {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
    cursor: pointer;
}
.process-faq-item p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
}
.process-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 32px 0;
}
.process-cta .btn-outline,
.process-cta .btn-outline-dark {
    color: var(--blue);
    border-color: rgba(30, 111, 217, .45);
    background: transparent;
}
.process-cta .btn-outline:hover,
.process-cta .btn-outline-dark:hover {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(30, 111, 217, .08);
}

/* ---------- 来图定制流程 ---------- */
.custom-flow {
    max-width: 720px;
    list-style: none;
    counter-reset: cf;
    padding: 0;
    margin: 0;
}
.custom-flow li {
    counter-increment: cf;
    position: relative;
    padding: 12px 0 12px 52px;
    font-size: 15px;
    color: var(--text-body);
    border-bottom: 1px dashed var(--line);
}
.custom-flow li:last-child { border-bottom: none; }
.custom-flow li::before {
    content: counter(cf);
    position: absolute;
    left: 0;
    top: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------- FAQ 页 ---------- */
.faq-page-faq { max-width: 860px; }
.faq-more {
    margin-top: 28px;
    color: var(--text-muted);
    font-size: 14px;
}

/* ---------- 产品中心 / 客户案例列表（共用） ---------- */
.products-heading {
    margin-bottom: 24px;
}
.products-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.products-search {
    position: relative;
    flex: 1 1 320px;
    max-width: 420px;
    min-width: 0;
}
.products-search-input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    color: var(--text-main);
    background: #fff;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.products-search-input:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(30, 111, 217, .12);
}
.products-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: none;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: var(--line);
    color: var(--text-muted);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
}
.products-search-clear:hover {
    background: var(--line-strong);
    color: var(--text-main);
}
.products-search-input:not(:placeholder-shown) + .products-search-clear {
    display: flex;
}
.products-count {
    font-size: 14px;
    color: var(--text-muted);
    flex: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 28px;
}
.product-card,
.case-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    height: 100%;
}
.product-card:hover,
.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0, 38, 77, .10);
    border-color: var(--line-strong);
}
.product-card-title {
    font-size: 18px;
    color: var(--text-main);
    margin: 0 0 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--blue);
}
.product-card-desc {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.7;
    margin: 0 0 14px;
    flex: 1 0 auto;
}
.product-card-more {
    font-size: 13px;
    font-weight: 600;
    color: var(--blue);
    margin-top: auto;
}
.product-card-media {
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
    background: var(--bg-soft);
}
.product-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}
.product-card:hover .product-card-media img,
.case-card:hover .product-card-media img {
    transform: scale(1.05);
}

.products-empty {
    text-align: center;
    padding: 56px 20px;
    background: var(--bg-soft);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius);
}
.products-empty p {
    color: var(--text-muted);
    margin: 0 0 16px;
}
.product-group.is-hidden,
.product-card.is-hidden {
    display: none;
}

.page-heading { margin-bottom: 32px; }

/* ---------- 产品中心 / 客户案例：侧边栏布局 ---------- */
.products-layout,
.cases-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 36px;
    margin-top: 16px;
    align-items: start;
}
.products-sidebar {
    grid-column: 1;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 18px;
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow-y: auto;
    scrollbar-width: thin;
}
/* 移动端侧边栏需要相对定位，以便 ::after 滚动提示正确定位 */
@media (max-width: 768px) {
    .products-sidebar,
    .product-detail-side,
    .case-detail-side {
        position: relative;
    }
}
.products-sidebar::-webkit-scrollbar {
    width: 6px;
}
.products-sidebar::-webkit-scrollbar-thumb {
    background: var(--line-strong);
    border-radius: 3px;
}
.products-sidebar-title {
    font-size: 15px;
    color: var(--text-main);
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--blue);
}
.products-sidebar-title:not(:first-child) {
    margin-top: 24px;
}
.products-cats a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--text-body);
    text-decoration: none;
    font-size: 14px;
    transition: background .2s ease, color .2s ease;
}
.products-cats a:hover,
.products-cats a.is-active {
    background: var(--blue);
    color: #fff;
}
.products-cats a.is-active {
    font-weight: 600;
}
.products-cat-count {
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    padding: 2px 7px;
    border-radius: 12px;
    background: rgba(30, 111, 217, .12);
    color: var(--blue);
    font-size: 12px;
    font-weight: 600;
    transition: background .2s ease, color .2s ease;
}
.products-cats a:hover .products-cat-count,
.products-cats a.is-active .products-cat-count {
    background: rgba(255, 255, 255, .22);
    color: #fff;
}
.products-news {
    list-style: none;
    margin: 0;
    padding: 0;
}
.products-news li {
    margin-bottom: 10px;
    font-size: 13px;
    line-height: 1.6;
}
.products-news a {
    color: var(--text-body);
    text-decoration: none;
    transition: color .2s ease;
}
.products-news a:hover {
    color: var(--blue);
}
.products-contact {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-body);
}
.products-contact li {
    margin-bottom: 6px;
    word-break: break-all;
}
.products-contact a {
    color: var(--blue);
    text-decoration: none;
}
.products-cats {
    list-style: none;
    margin: 0;
    padding: 0;
}
.products-cats li {
    margin-bottom: 4px;
}
.products-sidebar-tip {
    margin: 16px 0 0;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
    font-size: 12px;
    color: #888;
    line-height: 1.6;
}
.products-main,
.cases-main {
    grid-column: 2;
    min-width: 0;
}
.product-group {
    margin-bottom: 44px;
    scroll-margin-top: calc(var(--header-h) + 16px);
}
.product-group-title {
    font-size: 22px;
    color: var(--text-main);
    margin: 0 0 6px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--line);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.product-group-count {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: var(--blue);
    padding: 2px 10px;
    border-radius: 12px;
}
.product-group .products-grid {
    margin-top: 18px;
}

/* ---------- 产品详情页 / 案例详情页 ---------- */
.product-detail-layout,
.case-detail-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 36px;
    margin-top: 24px;
    align-items: start;
}
.product-detail-side,
.case-detail-side {
    grid-column: 1;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 18px;
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow-y: auto;
    scrollbar-width: thin;
}
.product-detail-side::-webkit-scrollbar,
.case-detail-side::-webkit-scrollbar {
    width: 6px;
}
.product-detail-side::-webkit-scrollbar-thumb,
.case-detail-side::-webkit-scrollbar-thumb {
    background: var(--line-strong);
    border-radius: 3px;
}
.product-detail-side-title,
.case-detail-side-title {
    font-size: 15px;
    color: var(--text-main);
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--blue);
}
.product-detail-cats,
.case-detail-cats {
    list-style: none;
    margin: 0;
    padding: 0;
}
.product-detail-cats li,
.case-detail-cats li {
    margin-bottom: 4px;
}
.product-detail-cats a,
.case-detail-cats a {
    display: block;
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--text-body);
    text-decoration: none;
    font-size: 14px;
    transition: background .2s ease, color .2s ease;
}
.product-detail-cats a:hover,
.case-detail-cats a:hover {
    background: var(--blue);
    color: #fff;
}
.product-detail-cats a.is-active,
.case-detail-cats a.is-active {
    background: var(--blue);
    color: #fff;
    font-weight: 600;
}
.product-detail-main,
.case-detail-main {
    grid-column: 2;
    min-width: 0;
}
.product-detail-hero,
.case-detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
    margin-bottom: 32px;
}
.product-detail-media,
.case-detail-media {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-radius: 12px;
    overflow: hidden;
}
.product-detail-media > img,
.case-detail-media > img,
.product-detail-media .product-main-image {
    aspect-ratio: 4 / 3;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-soft);
    border: 1px solid var(--line);
}
.product-detail-media > img,
.case-detail-media > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.product-detail-media .product-main-image img,
.case-detail-media .product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 产品图集缩略图条 */
.product-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px;
    border-radius: 10px;
    background: rgba( 0, 0, 0, 0.02 );
    border: 1px dashed rgba( 0, 0, 0, 0.12 );
}
.product-thumb {
    width: 84px;
    height: 84px;
    padding: 0;
    border: 2px solid #e5e5e5;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.product-thumb:hover {
    transform: translateY(-2px);
    border-color: #999;
}
.product-thumb.is-active {
    border-color: var(--primary, #c8102e);
    box-shadow: 0 0 0 3px rgba( 200, 16, 46, 0.15 );
}
@media ( max-width: 768px ) {
    .product-thumb {
        width: 64px;
        height: 64px;
    }
}
.product-detail-header,
.case-detail-header {
    margin-bottom: 8px;
}
.product-detail-head,
.case-detail-head {
    min-width: 0;
}
.product-detail-title {
    margin-bottom: 16px;
}
.process-cta-note {
    color: var(--text-body);
    margin-bottom: 18px;
}
@media (max-width: 768px) {
    .products-layout,
    .cases-layout,
    .product-detail-layout,
    .case-detail-layout {
        display: block;
        margin-top: 0;
        min-width: 0;
    }
    .products-sidebar,
    .product-detail-side,
    .case-detail-side {
        position: static;
        top: auto;
        max-height: none;
        overflow: visible;
        margin-bottom: 20px;
        width: 100%;
        padding: 16px;
    }
    .products-sidebar::after,
    .product-detail-side::after,
    .case-detail-side::after {
        content: none;
    }
    .products-main,
    .product-detail-main,
    .cases-main,
    .case-detail-main {
        display: block;
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }
    .product-detail-hero,
    .case-detail-hero {
        display: block;
        margin-bottom: 24px;
    }
    .product-detail-media,
    .case-detail-media,
    .product-detail-head,
    .case-detail-head {
        width: 100%;
        margin-bottom: 16px;
    }
    .product-detail-media,
    .case-detail-media {
        margin-bottom: 20px;
    }
    .product-detail-head:last-child,
    .case-detail-head:last-child {
        margin-bottom: 0;
    }
    .products-cats,
    .product-detail-cats,
    .case-detail-cats {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
        padding-right: 16px;
        min-width: 0;
        max-width: 100%;
        position: relative;
    }
    .products-cats::-webkit-scrollbar,
    .product-detail-cats::-webkit-scrollbar,
    .case-detail-cats::-webkit-scrollbar { display: none; }
    .products-cats li,
    .product-detail-cats li,
    .case-detail-cats li {
        margin-bottom: 0;
        flex: 0 0 auto;
    }
    .products-cats a,
    .product-detail-cats a,
    .case-detail-cats a {
        padding: 8px 12px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 6px;
        white-space: nowrap;
    }
    .products-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .products-search {
        max-width: none;
    }
    .products-count {
        text-align: right;
    }
    .product-detail-title,
    .case-detail-title {
        font-size: 26px;
        margin-bottom: 12px;
    }
    .case-detail-main .prose {
        max-width: none;
        margin: 0;
    }
    .case-detail-main .prose table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        max-width: 100%;
    }
    .process-intro {
        max-width: none;
    }
    .process-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .process-cta .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 900px) {
    .products-grid,
    .cases-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .products-grid,
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 16px;
        width: 100%;
        max-width: 100%;
    }
    .product-card,
    .case-card {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 16px;
        width: 100%;
        max-width: 100%;
    }
    .product-card-media,
    .case-card .product-card-media {
        width: 100%;
        aspect-ratio: 4 / 3;
        margin-bottom: 14px;
        border-radius: 8px;
    }
    .product-card-title,
    .case-card .product-card-title {
        font-size: 17px;
        margin-bottom: 8px;
        padding-bottom: 8px;
        white-space: normal;
    }
    .product-card-desc,
    .case-card .product-card-desc {
        font-size: 14px;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .product-card-more,
    .case-card .product-card-more {
        font-size: 13px;
        margin-top: auto;
    }
    .product-group {
        margin-bottom: 28px;
    }
    .product-group-title {
        font-size: 18px;
    }
    .product-group .products-grid {
        margin-top: 14px;
    }
    .products-search-input {
        padding: 10px 40px 10px 14px;
        font-size: 14px;
    }
    .products-heading {
        margin-bottom: 16px;
    }
    .products-toolbar {
        gap: 10px;
        margin-bottom: 6px;
    }
    .products-layout,
    .cases-layout,
    .product-detail-layout,
    .case-detail-layout {
        gap: 16px;
        margin-top: 0;
    }
    .products-sidebar,
    .product-detail-side,
    .case-detail-side {
        top: auto;
        padding: 14px 12px;
    }
    .products-cats a,
    .product-detail-cats a,
    .case-detail-cats a {
        padding: 7px 10px;
        font-size: 13px;
    }
    .product-detail-hero,
    .case-detail-hero {
        margin-bottom: 20px;
    }
    .product-detail-title,
    .case-detail-title {
        font-size: 22px;
    }
    .process-intro {
        font-size: 14px;
    }
    .process-apps {
        gap: 8px;
    }
    .process-apps li {
        padding: 6px 12px;
        font-size: 13px;
    }
}

.page-heading { margin-bottom: 32px; }

.prose { max-width: 860px; margin: 0 auto; }
.prose img { max-width: 100%; height: auto; }
.prose h2 { font-size: 22px; margin-top: 32px; }
.prose h3 { font-size: 18px; margin-top: 24px; }
.prose p, .prose li { color: var(--text-body); }
.prose ul { list-style: disc; padding-left: 24px; }
.prose ol { list-style: decimal; padding-left: 24px; }
.prose li { margin-bottom: 6px; }

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

.single-post { max-width: 1040px; margin: 0 auto; }
.single-post .prose { max-width: 1040px; margin: 0 auto; }
.single-post-header { margin-bottom: 24px; }
.single-post-header .page-title { margin-bottom: 8px; }
.post-meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.single-post .prose p,
.single-post .prose li {
    color: var(--text-body);
    line-height: 1.9;
}
.single-post .prose h2 {
    font-size: 21px;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--text-main);
}
.single-post .prose h3 {
    font-size: 17px;
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--text-main);
}
.single-post .prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}
.single-post .prose th,
.single-post .prose td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}
.single-post .prose th { background: var(--bg-soft); font-weight: 600; }
.single-post .prose tr:last-child td { border-bottom: none; }
.single-post .prose a { color: var(--blue); }

.error-404 {
    text-align: center;
}
.error-code {
    font-size: 96px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 8px;
}
.error-404-help {
    max-width: 480px;
    margin: 32px auto 0;
    text-align: left;
}
.error-404-help p {
    color: var(--text-light, #666);
    margin-bottom: 12px;
}
.error-404-help .search-form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}
.error-404-help .search-form .search-field {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--line, #e1e1e1);
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
}
.error-404-help .search-form .search-submit {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    background: var(--blue, #1e6fd9);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}
.error-404-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 0;
    margin: 0;
}
.error-404-links a {
    color: var(--blue, #1e6fd9);
    text-decoration: none;
    font-size: 14px;
}
.error-404-links a:hover {
    text-decoration: underline;
}

/* ---------- 滚动显现 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .6s ease, transform .65s cubic-bezier(.22, .61, .36, 1);
    will-change: opacity, transform;
}
.reveal.reveal-left  { transform: translateX(-40px); }
.reveal.reveal-right { transform: translateX(40px); }
.reveal.reveal-scale { transform: scale(.92); opacity: 0; }
.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* 产品卡片错落入场 */
.product-showcase-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .5s ease, transform .55s cubic-bezier(.22, .61, .36, 1);
}
.product-showcase-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 优势卡片 hover 微动 */
.advantage-four-card {
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

/* Hero 视差微动 */
.hero-slides {
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal,
    .product-showcase-card {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero-slides { transform: none !important; }
    .hero-eyebrow,
    .hero-title,
    .hero-sub,
    .hero-actions {
        opacity: 1;
        animation: none;
    }
}

/* =========================================================
   响应式
   ========================================================= */

/* 1024px */
@media (max-width: 1024px) {
    .cards-grid-5 > * { flex: 0 0 calc((100% - 48px) / 3); }
    .cards-grid-4 > * { flex: 0 0 calc((100% - 24px) / 2); }
    .cards-grid-6 > * { flex: 0 0 calc((100% - 24px) / 2); }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-strip { grid-template-columns: repeat(2, 1fr); }
    .hero { min-height: 85vh; }
    .hero-title { font-size: 42px; }
    .hero-inner { max-width: 640px; }
    .contact-grid { gap: 32px; }
    .contact-banner-title { font-size: 34px; }
    .form-field-name { flex: 0 0 200px; width: 200px; }
    .form-row-inline { gap: 16px; }
    .form-grid { gap: 18px; }

    .product-detail-layout,
    .case-detail-layout,
    .products-layout,
    .cases-layout {
        grid-template-columns: 200px minmax(0, 1fr);
        gap: 28px;
    }
    .product-detail-hero,
    .case-detail-hero {
        grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
        gap: 24px;
    }
}

/* 1100px：导航折叠为汉堡菜单，避免英文导航被挤成两行 */
@media (max-width: 1100px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: #ffffff;
        border-top: 1px solid var(--line);
        box-shadow: 0 12px 24px rgba(0, 20, 50, .15);
        display: none;
        max-height: calc(100vh - var(--header-h));
        overflow-y: auto;
    }
    .main-nav.is-open { display: block; }
    .main-nav-list {
        flex-direction: column;
        padding: 12px 20px 24px;
    }
    .main-nav-list a {
        padding: 13px 8px;
        font-size: 16px;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
        white-space: normal;
    }
    .main-nav-list li:last-child a { border-bottom: none; }
    .header-phone { display: none; }
}

/* 768px */
@media (max-width: 768px) {
    :root { --header-h: 64px; }

    .section { padding: 64px 0; }
    .section-title { font-size: 28px; }

    .nav-toggle { display: flex; }

    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: #ffffff;
        border-top: 1px solid var(--line);
        box-shadow: 0 12px 24px rgba(0, 20, 50, .15);
        display: none;
        max-height: calc(100vh - var(--header-h));
        overflow-y: auto;
    }
    .main-nav.is-open { display: block; }

    .main-nav-list {
        flex-direction: column;
        padding: 12px 20px 24px;
    }
    .main-nav-list a {
        padding: 13px 8px;
        font-size: 16px;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
    }
    .main-nav-list li:last-child a { border-bottom: none; }

    .header-phone { display: none; }

    .hero { min-height: 80vh; }
    .hero-title { font-size: 36px; letter-spacing: 2px; }
    .hero-sub { font-size: 16px; }
    .hero-eyebrow { font-size: 12px; letter-spacing: 4px; }
    .hero-inner { max-width: 100%; padding: 0 20px; }

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

    .cards-grid-5 > * { flex: 0 0 calc((100% - 24px) / 2); }
    /* 核心业务：平板两栏展示 */
    .cards-grid-3 > * { flex: 0 0 calc((100% - 24px) / 2); }

    /* 核心业务：触屏无 hover，文字介绍常显 */
    .service-overlay {
        opacity: 1;
        transform: none;
    }
    .service-overlay .card-text {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-banner { padding: 56px 0 52px; }
    .contact-main { padding: 48px 0 72px; }
    .contact-welcome { margin-bottom: 36px; }

    /* 表单：姓名/电话堆叠为纵向 */
    .form-row-inline {
        flex-direction: column;
        gap: 18px;
        justify-content: flex-start;
    }
    .form-field-name,
    .form-row-inline .form-field-phone {
        flex: none;
        width: 100%;
    }

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

    /* 单篇正文表格：窄屏允许横向滚动，避免被 overflow:hidden 裁掉 */
    .single-post .prose table { display: block; overflow-x: auto; }

    }

/* 480px */
@media (max-width: 480px) {
    /* 只收窄水平内边距；勿用 shorthand，否则会把 .page-inner 的
       padding-top(calc(--header-h + 48px)) 覆盖为 0，导致内页标题/面包屑被吸顶导航遮住 */
    .container { padding-left: 18px; padding-right: 18px; }

    /* Header 手机端收紧 */
    .header-inner { gap: 10px; }
    .site-brand-img img { height: 34px; max-width: 150px; }
    .header-actions { gap: 8px; }
    /* .lang-switch 已在下方统一响应式处理,这里保留以防回退 */
    .nav-toggle { width: 36px; height: 36px; padding: 6px; }

    .hero { min-height: 70vh; }
    .hero-title { font-size: 28px; letter-spacing: 1px; }
    .hero-sub { font-size: 15px; }
    .hero-eyebrow { font-size: 11px; letter-spacing: 3px; }
    /* 手机端：咨询我们 / 产品中心 分两栏并排，按钮收窄 */
    .hero-actions .btn {
        flex: 1 1 calc(50% - 8px);
        max-width: 200px;
        width: auto;
        padding: 11px 16px;
        font-size: 14px;
    }
    .hero-scroll-hint { bottom: 100px; }

    /* 手机端两栏：设备实力 / 行业应用 / 核心优势 / 新闻动态 */
    .cards-grid-4 > *,
    .cards-grid-5 > *,
    .cards-grid-6 > * {
        flex: 0 0 calc((100% - 16px) / 2);
    }
    .cards-grid,
    .equipment-grid { gap: 16px; }

    /* 核心业务：手机端单列大图展示，文字常显 */
    .cards-grid-3 > * { flex: 0 0 100%; }
    .service-card { aspect-ratio: 16 / 10; }
    .service-overlay { padding: 18px 16px; }
    .service-overlay .card-title { font-size: 18px; }
    .advantages-strip { grid-template-columns: 1fr; }
    .industry-card { padding: 20px 14px; }
    .advantage-card { padding: 22px 16px; }
    .news-card { padding: 18px 14px; }
    .equipment-card { padding: 18px 14px; }

    /* 内页标题与新闻分页在窄屏收紧 */
    .page-title { font-size: 25px; margin-bottom: 18px; }
    .news-pagination .page-numbers {
        padding: 6px 10px;
        margin: 0 2px 6px;
        font-size: 13px;
    }

    .contact-banner-title { font-size: 24px; letter-spacing: 4px; }
    .contact-banner { padding: 48px 0 44px; }
    .contact-form-card { padding: 24px 16px; }
    .contact-form .btn-submit { letter-spacing: 2px; }

    .footer-bottom-inner { flex-direction: column; gap: 6px; text-align: center; }
}

/* =========================================================
   语言切换 — 自定义下拉框（白底面板 + 蓝色高亮）
   ========================================================= */
.lang-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex: none;
    margin-right: 12px;
}

.lang-switch-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-main);
    cursor: pointer;
    font-family: inherit;
    transition: border-color .2s ease,
                color .2s ease,
                background-color .2s ease,
                box-shadow .2s ease;
}

.lang-switch-trigger:hover {
    border-color: var(--line-strong);
    color: var(--blue);
}

.lang-switch-trigger:focus,
.lang-switch-trigger:focus-visible {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(30, 111, 217, .14);
}

.lang-switch[aria-expanded="true"] .lang-switch-trigger {
    border-color: var(--blue);
    color: var(--blue);
    box-shadow: 0 0 0 3px rgba(30, 111, 217, .14);
}

.lang-switch .lang-icon {
    width: 14px;
    height: 14px;
    flex: none;
    color: var(--text-muted);
    transition: color .2s ease;
}

.lang-switch-trigger:hover .lang-icon,
.lang-switch-trigger:focus .lang-icon,
.lang-switch[aria-expanded="true"] .lang-icon {
    color: var(--blue);
}

.lang-switch .lang-arrow {
    width: 10px;
    height: 10px;
    flex: none;
    color: var(--text-muted);
    transition: transform .2s ease, color .2s ease;
}

.lang-switch-trigger:hover .lang-arrow,
.lang-switch-trigger:focus .lang-arrow,
.lang-switch[aria-expanded="true"] .lang-arrow {
    color: var(--blue);
}

.lang-switch[aria-expanded="true"] .lang-arrow {
    transform: rotate(180deg);
}

/* 下拉面板 — 白底 + 阴影 */
.lang-switch-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 100%;
    margin: 0;
    padding: 6px 0;
    list-style: none;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 20, 50, .14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s ease,
                transform .2s ease,
                visibility .2s ease;
    z-index: 200;
}

.lang-switch[aria-expanded="true"] .lang-switch-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switch-menu li {
    margin: 0;
    padding: 0;
}

.lang-switch-menu button {
    display: block;
    width: 100%;
    padding: 9px 16px;
    background: transparent;
    border: 0;
    text-align: left;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-body);
    cursor: pointer;
    font-family: inherit;
    transition: background-color .15s ease, color .15s ease;
}

.lang-switch-menu button:hover {
    color: var(--blue);
}

.lang-switch-menu button.is-current {
    color: var(--blue);
}

/* 移动端紧凑 */
@media (max-width: 1100px) {
    .lang-switch { margin-right: 6px; }
    .lang-switch-trigger { padding: 5px 10px; font-size: 12px; }
    .lang-switch .lang-icon { width: 12px; height: 12px; }
    .lang-switch .lang-arrow { width: 9px; height: 9px; }
}

/* =========================================================
   新增布局样式（tiqu.md 参考布局）
   ========================================================= */

/* ---------- 下拉菜单 ---------- */
.main-nav-item.has-dropdown {
    position: relative;
}

.main-nav-link.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 20, 50, .14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
    z-index: 100;
    padding: 8px 0;
    list-style: none;
    margin: 0;
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 18px;
    color: var(--text-body);
    font-size: 14px;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease;
    text-decoration: none;
}

.dropdown-menu a:hover {
    background: rgba(30, 111, 217, .08);
    color: var(--blue);
}

/* 移动端下拉菜单 */
@media (max-width: 1100px) {
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0 16px;
        min-width: 0;
        background: transparent;
        display: none;
    }

    .has-dropdown.is-open .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: 10px 14px;
        font-size: 15px;
        border-bottom: 1px solid var(--line);
    }

    .main-nav-link.dropdown-toggle {
        position: relative;
        padding-right: 28px;
    }

    .main-nav-link.dropdown-toggle::after {
        content: '▾';
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 12px;
        transition: transform .25s ease;
    }

    .has-dropdown.is-open .main-nav-link.dropdown-toggle::after {
        transform: translateY(-50%) rotate(180deg);
    }
}

/* ---------- 产品展示区 — 大图网格 ---------- */
.products-showcase {
    background: #fff;
}

.product-group-section {
    margin-bottom: 16px;
    scroll-margin-top: calc(var(--header-h) + 16px);
}

.product-group-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
}

.product-group-heading {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--blue);
    display: inline-block;
}

.product-group-more {
    font-size: 14px;
    color: var(--blue);
    text-decoration: none;
    font-weight: 600;
    transition: color .2s ease;
}
.product-group-more:hover { color: var(--blue-dark); }

.product-showcase-scroll {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
}

.product-showcase-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 8px 0 16px;
    flex: 1;
}
.product-showcase-track::-webkit-scrollbar { display: none; }

.product-showcase-card {
    flex: 0 0 calc(33.333% - 14px);
    min-width: 280px;
    scroll-snap-align: start;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    background: var(--bg-soft);
    aspect-ratio: 4 / 3;
    transition: transform .3s ease, box-shadow .3s ease;
}
.product-showcase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 38, 77, .14);
}

.product-showcase-media {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.product-showcase-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.product-showcase-card:hover .product-showcase-media img {
    transform: scale(1.08);
}

/* 悬浮覆盖层 */
.product-showcase-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 38, 77, .85) 0%, rgba(0, 38, 77, .2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px 24px;
    opacity: 0;
    transition: opacity .35s ease;
}
.product-showcase-card:hover .product-showcase-overlay {
    opacity: 1;
}

.product-showcase-name {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
    transform: translateY(10px);
    transition: transform .35s ease;
}

.product-showcase-desc {
    font-size: 14px;
    color: rgba(255,255,255,.85);
    line-height: 1.6;
    margin: 0 0 12px;
    transform: translateY(10px);
    transition: transform .35s ease .05s;
}

.product-showcase-link {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    transform: translateY(10px);
    transition: transform .35s ease .1s;
}

.product-showcase-card:hover .product-showcase-name,
.product-showcase-card:hover .product-showcase-desc,
.product-showcase-card:hover .product-showcase-link {
    transform: translateY(0);
}

/* 滚动按钮 */
.product-scroll-btn {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text-main);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .25s ease;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.product-scroll-btn:hover {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
    box-shadow: 0 4px 16px rgba(30, 111, 217, .3);
}

@media (max-width: 1024px) {
    .product-showcase-card {
        flex: 0 0 calc(50% - 10px);
        min-width: 240px;
    }
}

@media (max-width: 768px) {
    .product-showcase-card {
        flex: 0 0 calc(75% - 10px);
        min-width: 260px;
        aspect-ratio: 4 / 3;
    }
    .product-scroll-btn {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
    .product-showcase-overlay {
        opacity: 0.15;
    }
    .product-showcase-card:active .product-showcase-overlay {
        opacity: 1;
    }
}

@media (max-width: 480px) {
    .product-showcase-card {
        flex: 0 0 85%;
        min-width: 0;
    }
    .product-showcase-overlay {
        padding: 20px 16px;
    }
    .product-showcase-name { font-size: 17px; }
    .product-showcase-desc { font-size: 13px; }
}

.products-showcase-more {
    text-align: center;
    margin-top: 40px;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
    letter-spacing: 2px;
}

/* ---------- 四大优势 — 编号设计 ---------- */
.advantages-four {
    background: var(--bg-soft);
}

.advantages-four-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 100%;
    margin: 0 auto;
}

.advantage-four-card {
    display: flex;
    gap: 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 32px 28px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    align-items: flex-start;
}

.advantage-four-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 38, 77, .1);
    border-color: var(--blue);
}

.advantage-four-num {
    flex: none;
    font-size: 42px;
    font-weight: 800;
    color: var(--blue);
    line-height: 1;
    opacity: .25;
}

.advantage-four-body {
    flex: 1;
}

.advantage-four-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.advantage-four-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 1024px) {
    .advantages-four-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .advantages-four-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .advantage-four-card {
        padding: 24px 20px;
        gap: 16px;
    }
    .advantage-four-num { font-size: 34px; }
}

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

/* 深色轮廓按钮（白底页面用） */
.btn-outline-dark {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}

.btn-outline-dark:hover {
    background: rgba(30, 111, 217, .08);
    border-color: var(--blue-dark);
    color: var(--blue-dark);
}

/* ---------- 加工服务保障 — 大图交错布局 ---------- */
.processing-guarantee {
    background: #fff;
}

.process-showcase {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.process-showcase-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.process-showcase-row.is-reverse {
    grid-template-columns: 1fr 1.2fr;
}

.process-showcase-row.is-reverse .process-showcase-media {
    order: 2;
}

.process-showcase-row.is-reverse .process-showcase-body {
    order: 1;
}

.process-showcase-media {
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 12px 32px rgba(0, 38, 77, .12);
}

.process-showcase-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.process-showcase-row:hover .process-showcase-media img {
    transform: scale(1.04);
}

.process-showcase-body {
    padding: 8px 0;
}

.process-showcase-num {
    font-size: 56px;
    font-weight: 800;
    color: var(--blue);
    opacity: .15;
    line-height: 1;
    display: block;
    margin-bottom: 8px;
}

.process-showcase-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 14px;
}

.process-showcase-desc {
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.9;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .process-showcase-row,
    .process-showcase-row.is-reverse {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .process-showcase-row.is-reverse .process-showcase-media {
        order: 0;
    }
    .process-showcase-row.is-reverse .process-showcase-body {
        order: 0;
    }
    .process-showcase-title { font-size: 22px; }
    .process-showcase-num { font-size: 42px; }
}

/* ---------- 关于我们（更新） ---------- */
.about-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* ---------- 定制流程 — 水平流程 ---------- */
.custom-process {
    background: var(--bg-soft);
}

.process-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
    max-width: 1100px;
    margin: 0 auto 32px;
}

.process-flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 120px;
    padding: 0 8px;
    position: relative;
}

.process-flow-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 6px 18px rgba(30, 111, 217, .25);
    transition: transform .3s ease, box-shadow .3s ease;
    position: relative;
    z-index: 1;
}

.process-flow-item:hover .process-flow-num {
    transform: scale(1.1);
    box-shadow: 0 10px 24px rgba(30, 111, 217, .35);
}

.process-flow-content {
    flex: 1;
}

.process-flow-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 4px;
}

.process-flow-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

.process-flow-arrow {
    position: absolute;
    top: 28px;
    right: -12px;
    font-size: 20px;
    color: var(--line-strong);
    transform: translateY(-50%);
    z-index: 0;
}

@media (max-width: 1100px) {
    .process-flow {
        gap: 16px;
    }
    .process-flow-item {
        width: calc(25% - 20px);
        min-width: 100px;
    }
    .process-flow-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    .process-flow {
        gap: 20px;
    }
    .process-flow-item {
        width: calc(50% - 16px);
    }
}

@media (max-width: 480px) {
    .process-flow-item {
        width: calc(50% - 12px);
    }
}


/* ---------- 右侧浮动栏 ---------- */
.floating-bar {
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.floating-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 0 4px 12px rgba(0, 20, 50, .1);
    cursor: pointer;
    position: relative;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    text-decoration: none;
    color: inherit;
}

.floating-item:hover {
    background: var(--blue);
    border-color: var(--blue);
    transform: translateX(-2px);
    box-shadow: 0 6px 18px rgba(30, 111, 217, .25);
}

.floating-item:hover .floating-icon {
    filter: brightness(10);
}

.floating-icon {
    font-size: 22px;
    line-height: 1;
    transition: filter .2s ease;
}
.floating-icon svg {
    display: block;
}

.floating-tip {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--navy);
    color: #fff;
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
    pointer-events: none;
}

.floating-tip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--navy);
}

.floating-item:hover .floating-tip {
    opacity: 1;
    visibility: visible;
}

.floating-wechat {
    position: relative;
}

.floating-wechat-popup {
    position: absolute;
    right: calc(100% + 10px);
    bottom: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 8px 24px rgba(0, 20, 50, .15);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
    text-align: center;
    width: 160px;
}

.floating-wechat:hover .floating-wechat-popup {
    opacity: 1;
    visibility: visible;
}

.floating-wechat-popup img {
    width: 130px;
    height: 130px;
    object-fit: contain;
    border-radius: 4px;
    margin: 0 auto;
}

.floating-wechat-popup p {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--text-muted);
}

.floating-top {
    display: none;
    /* 默认隐藏，JS 控制显示 */
}

.floating-top.is-visible {
    display: flex;
}

@media (max-width: 768px) {
    .floating-bar {
        right: 8px;
        gap: 6px;
    }

    .floating-item {
        width: 44px;
        height: 44px;
        border-radius: 6px;
    }

    .floating-icon {
        font-size: 18px;
    }

    .floating-tip {
        display: none;
    }

    /* 移动端微信二维码弹窗：图标上方右对齐，强制定位以覆盖基础样式 */
    .floating-wechat-popup {
        right: 0 !important;
        bottom: calc(100% + 16px) !important;
        top: auto !important;
        left: auto !important;
        z-index: 1000;
        width: 200px;
    }

    .floating-wechat-popup.is-active {
        opacity: 1 !important;
        visibility: visible !important;
    }
}

/* ---------- 页脚三栏式 ---------- */
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 32px;
}

/* 联系方式移到底部栏 */
.footer-bottom-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #b9c9dd;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    margin-bottom: 10px;
}

.footer-bottom-sep {
    color: rgba(255,255,255,.15);
}

.footer-bottom-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    width: 100%;
}

.footer-bottom-meta p { margin: 0; }

.footer-bottom-links {
    display: flex;
    gap: 16px;
}

.footer-bottom-links a {
    font-size: 13px;
    color: #8aa3bd;
    text-decoration: none;
}

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

/* 页脚底部电话/邮箱链接：点击拨号 / 发邮件 */
.footer-contact-link {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}
.footer-contact-link:hover {
    color: #fff;
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    .footer-toggle { display: none; }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .footer-col {
        border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .footer-col:last-child { border-bottom: none; }
    .footer-title {
        margin-bottom: 0;
        padding: 14px 0;
        cursor: pointer;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
    /* 标题右侧箭头指示 */
    .footer-title::after {
        content: '▾';
        font-size: 12px;
        margin-left: auto;
        transition: transform .3s ease;
        opacity: .5;
    }
    .footer-col.is-open .footer-title::after {
        transform: rotate(180deg);
    }
    .footer-toggle { display: none; }
    .footer-links {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease, padding .35s ease;
        padding: 0;
    }
    .footer-col.is-open .footer-links {
        max-height: 500px;
        padding-bottom: 14px;
    }
    .footer-bottom-contact {
        flex-direction: column;
        gap: 6px;
        text-align: center;
        font-size: 12px;
    }
    .footer-bottom-sep { display: none; }
    .footer-bottom-meta {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }
    .site-footer { padding-top: 36px; }
}

/* ============ 关于我们页（新版） ============ */
.about-company-name {
    font-size: 1.6rem;
    margin: 8px 0 18px;
}
.about-actions-inline {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ============ 客户案例（复用产品中心样式） ============ */
.page-lead {
    color: var(--text-muted, #6b7280);
    font-size: 1.02rem;
    margin-bottom: 28px;
}
.single-case-back {
    margin-top: 32px;
}

/* 案例列表页专用增强 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 28px;
}
.case-card .product-card-title {
    border-bottom-color: var(--accent);
}
.case-card .product-card-desc {
    -webkit-line-clamp: 4;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .case-card .product-card-desc {
        -webkit-line-clamp: 3;
    }
}

/* 文章上下篇导航：桌面与移动端均为左右分栏（各占一半），不随断点改为上下堆叠 */
.post-nav {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 12px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}
.post-nav-prev,
.post-nav-next {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: stretch;
}
.post-nav-prev {
    justify-content: flex-start;
}
.post-nav-next {
    justify-content: flex-end;
}
.post-nav a {
    display: inline-block;
    max-width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    text-decoration: none;
    transition: border-color .2s, color .2s;
    overflow-wrap: break-word;
    word-break: break-word;
}
.post-nav a:hover {
    border-color: #c00;
    color: #c00;
}
.post-nav .nav-label {
    display: block;
    font-size: 12px;
    color: #999;
    margin-bottom: 2px;
    white-space: nowrap;
}
@media (max-width: 480px) {
    .post-nav {
        gap: 8px;
    }
    .post-nav a {
        padding: 8px 10px;
        font-size: 13px;
    }
}

/* Homepage industrial layout: reference structure with the existing brand palette. */
.header-utility {
    background: #f4f5f7;
    color: #66717e;
    font-size: 12px;
    line-height: 30px;
}
.header-utility-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 30px;
}
.header-utility a { color: #66717e; }
.header-slogan {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-right: auto;
    padding-left: 20px;
    border-left: 1px solid var(--line);
    line-height: 1.25;
}
.header-slogan strong { color: var(--blue); font-size: 19px; }
.header-slogan span { color: #737d88; font-size: 12px; }
.site-header .header-inner {
    height: 122px;
    flex-wrap: wrap;
    align-content: center;
    row-gap: 0;
}
.site-header .site-brand,
.site-header .header-slogan,
.site-header .header-actions { height: 72px; }
.site-header .site-brand,
.site-header .header-actions { display: flex; align-items: center; }
.site-header .main-nav {
    order: 4;
    width: 100%;
    height: 50px;
    margin: 0;
    border-top: 1px solid var(--line);
}
.site-header .main-nav-list { height: 100%; gap: 0; }
.site-header .main-nav-item { flex: 1; text-align: center; }
.site-header .main-nav-list > li > a {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-right: 1px solid var(--line);
    border-radius: 0;
    font-weight: 600;
}
.site-header .main-nav-list > li:first-child > a,
.site-header .main-nav-list > li > a:hover {
    color: #fff;
    background: var(--blue);
}
.site-header .header-phone {
    display: flex;
    flex-direction: column;
    color: var(--accent);
    font-size: 21px;
    font-weight: 800;
    line-height: 1.2;
}
.site-header .header-phone small {
    color: #6a7480;
    font-size: 12px;
    font-weight: 400;
}
body.home main { padding-top: 152px; }
body.home .hero {
    min-height: 0;
    height: clamp(560px, 62vw, 820px);
}
body.home .hero-inner {
    max-width: 1500px;
    width: 100%;
    margin: 0 auto;
    text-align: left;
}
body.home .hero-sub { margin-left: 0; }
body.home .hero-actions { justify-content: flex-start; }
body.home .hero-dots { bottom: 28px; }
body.home .hero-scroll-hint { display: none; }
.quick-proof { background: #fff; border-bottom: 1px solid var(--line); }
.quick-proof-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 64px;
}
.quick-keywords { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; color: #77808a; font-size: 14px; }
.quick-keywords a { color: var(--blue); }
.quick-search { display: flex; width: 270px; height: 36px; border: 1px solid var(--line); }
.quick-search input { min-width: 0; flex: 1; border: 0; outline: 0; padding: 0 12px; font: inherit; }
.quick-search button { width: 42px; border: 0; background: var(--accent); color: #fff; font-size: 21px; cursor: pointer; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); margin-bottom: 30px; }
.proof-grid > div { background: #fff; text-align: center; padding: 18px 10px; }
.proof-grid strong { display: block; color: var(--blue); font-size: 31px; line-height: 1.1; }
.proof-grid strong span { color: var(--accent); font-size: 14px; margin-left: 3px; }
.proof-grid small { color: #59636f; font-size: 13px; }
body.home .section { padding-top: 76px; padding-bottom: 76px; }
body.home .product-showcase-card,
body.home .advantage-four-card,
body.home .process-showcase-media { border-radius: 4px; }

@media (max-width: 1100px) {
    .header-slogan { display: none; }
    .site-header .header-inner { height: var(--header-h); flex-wrap: nowrap; }
    .site-header .site-brand, .site-header .header-actions { height: 100%; }
    .site-header .main-nav { order: initial; width: auto; height: auto; border: 0; }
    .site-header .main-nav-list > li > a { height: auto; border: 0; }
    body.home main { padding-top: 102px; }
}

@media (max-width: 768px) {
    .header-utility { display: none; }
    .site-header .header-phone { display: none; }
    body.home main { padding-top: var(--header-h); }
    body.home .hero { height: min(78vh, 680px); min-height: 520px; }
    body.home .hero-slide { background-position: 62% center; }
    body.home .hero-overlay { background: linear-gradient(90deg, rgba(0,26,51,.92), rgba(0,38,77,.54)); }
    body.home .hero-inner { text-align: left; padding: 40px 22px 12px; }
    body.home .hero-title { font-size: 34px; }
    body.home .hero-sub { font-size: 15px; line-height: 1.7; }
    body.home .hero-actions { justify-content: flex-start; }
    .quick-proof-inner { display: block; padding-top: 14px; padding-bottom: 14px; }
    .quick-keywords { gap: 8px 12px; margin-bottom: 12px; font-size: 12px; }
    .quick-search { width: 100%; }
    .proof-grid { grid-template-columns: repeat(2, 1fr); margin-bottom: 18px; }
    .proof-grid > div { padding: 14px 8px; }
    .proof-grid strong { font-size: 25px; }
    body.home .section { padding-top: 52px; padding-bottom: 52px; }
    body.home .product-scroll-btn { display: none; }
    body.home .product-showcase-track { margin-right: -24px; padding-right: 24px; }
    body.home .process-showcase-row { gap: 16px; }
}

@media (max-width: 480px) {
    body.home .hero { height: 74vh; min-height: 500px; }
    body.home .hero-title { font-size: 29px; }
    body.home .hero-eyebrow { letter-spacing: 2px; }
    body.home .hero-actions { gap: 10px; }
    body.home .hero-actions .btn { width: auto; flex: 1; padding-left: 12px; padding-right: 12px; }
}

/* =========================================================
   首页 v2 — 大气铺满改版（参考 gdhytjs 布局节奏，品牌配色不变）
   ========================================================= */

/* ---------- Hero：放大标题 + 卖点 chips ---------- */
body.home .hero-title { font-size: 50px; }
body.home .hero-sub { font-size: 17px; max-width: 640px; }
.hero-claims {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 34px;
    margin-top: 36px;
    justify-content: flex-start;
}
.hero-claims span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
    background: none;
    border: 0;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    white-space: nowrap;
}
.hero-claims span::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    flex: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 0, .18);
}

/* ---------- 深色能力条（核心数据大字） ---------- */
.capability-band {
    background: linear-gradient(100deg, var(--navy-deep) 0%, var(--navy) 55%, #0a3d78 100%);
    padding: 10px 0;
}
.capability-band .proof-grid {
    margin-bottom: 0;
    gap: 0;
    background: transparent;
}
.capability-band .proof-grid > div {
    background: transparent;
    padding: 38px 10px;
    position: relative;
}
.capability-band .proof-grid > div + div::before {
    content: '';
    position: absolute;
    left: 0;
    top: 24%;
    bottom: 24%;
    width: 1px;
    background: rgba(255, 255, 255, .14);
}
.capability-band .proof-grid strong {
    color: #fff;
    font-size: 44px;
    font-weight: 800;
    line-height: 1.1;
}
.capability-band .proof-grid strong span { color: var(--accent); font-size: 18px; }
.capability-band .proof-grid small {
    color: rgba(255, 255, 255, .62);
    font-size: 14px;
    letter-spacing: 2px;
}

/* ---------- 左对齐大标题（参考站板块头） ---------- */
.head-left .section-eyebrow,
.head-left .section-title,
.head-left .section-desc {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}
.head-left .section-title {
    font-size: 40px;
    position: relative;
    padding-left: 20px;
}
.head-left .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    bottom: 7px;
    width: 6px;
    background: var(--accent);
    border-radius: 3px;
}
.head-left .section-desc { max-width: 760px; }

/* ---------- 产品展示：4 列大卡铺满 ---------- */
body.home .products-showcase .product-showcase-card {
    flex: 0 0 calc(25% - 15px);
    min-width: 260px;
}
body.home .product-group-heading { font-size: 26px; }

/* ---------- 深色底幽灵按钮 ---------- */
.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .5);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
    box-shadow: none;
}

/* ---------- 信任横幅：深色大气 CTA ---------- */
.trust-band {
    background:
        repeating-linear-gradient(115deg, rgba(255,255,255,.025) 0 2px, transparent 2px 90px),
        linear-gradient(115deg, #002347 0%, var(--navy) 55%, #07407c 100%);
    padding: 84px 0;
    position: relative;
    overflow: hidden;
}
.trust-band-inner {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 56px;
    align-items: center;
}
.trust-band-title {
    color: #fff;
    font-size: 38px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 14px;
    line-height: 1.3;
}
.trust-band-title em {
    font-style: normal;
    color: var(--accent);
}
.trust-band-sub {
    color: rgba(255, 255, 255, .72);
    font-size: 16px;
    margin-bottom: 28px;
}
.trust-band-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 28px;
    margin: 0 0 36px;
}
.trust-band-list li {
    color: rgba(255, 255, 255, .88);
    font-size: 15px;
    padding-left: 26px;
    position: relative;
    line-height: 1.6;
}
.trust-band-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 800;
}
.trust-band-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.trust-band-media {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}
.trust-band-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 4 / 3;
}

/* ---------- 四大优势：加大呼吸感 ---------- */
.advantages-four-grid { gap: 28px; }
body.home .advantage-four-card {
    padding: 42px 36px;
    gap: 26px;
    border-radius: 6px;
    border-top: 3px solid transparent;
}
body.home .advantage-four-card:hover {
    border-top-color: var(--accent);
}
body.home .advantage-four-num {
    font-size: 64px;
    line-height: .9;
    opacity: .18;
}
body.home .advantage-four-title { font-size: 21px; }
body.home .advantage-four-desc { font-size: 14.5px; line-height: 1.8; }

/* ---------- 加工服务：更宽更大 ---------- */
body.home .process-showcase { max-width: 1400px; gap: 56px; }
body.home .process-showcase-media { border-radius: 6px; }
body.home .process-showcase-num { font-size: 72px; }
body.home .process-showcase-title { font-size: 30px; }

/* ---------- 定制流程：8 步卡片化 ---------- */
body.home .process-flow {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 14px;
    max-width: 1400px;
    margin-bottom: 44px;
    justify-content: initial;
}
body.home .process-flow-item {
    width: auto;
    padding: 26px 14px 22px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
body.home .process-flow-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 38, 77, .1);
    border-color: var(--blue);
}
body.home .process-flow-num {
    width: 52px;
    height: 52px;
    font-size: 18px;
    margin: 0 auto 14px;
}
body.home .process-flow-title { font-size: 16px; }
body.home .process-flow-desc { font-size: 12.5px; line-height: 1.6; }
body.home .process-flow-arrow { display: none; }

/* ---------- 结尾 CTA 大横幅 ---------- */
.home-cta {
    background:
        repeating-linear-gradient(115deg, rgba(255,255,255,.025) 0 2px, transparent 2px 90px),
        linear-gradient(115deg, #002347 0%, var(--navy) 55%, #07407c 100%);
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}
.home-cta-inner { text-align: center; }
.home-cta-title {
    color: #fff;
    font-size: 40px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 14px;
}
.home-cta-sub {
    color: rgba(255, 255, 255, .72);
    font-size: 17px;
    margin-bottom: 36px;
}
.home-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1280px) {
    body.home .hero-title { font-size: 44px; }
}

@media (max-width: 1100px) {
    .trust-band-inner { grid-template-columns: 1fr; gap: 36px; }
    .trust-band-media img { aspect-ratio: 16 / 9; }
    body.home .process-flow { grid-template-columns: repeat(4, 1fr); }
    .home-cta-title { font-size: 34px; }
}

@media (max-width: 1024px) {
    body.home .products-showcase .product-showcase-card {
        flex: 0 0 calc(50% - 15px);
        min-width: 240px;
    }
    .capability-band .proof-grid strong { font-size: 34px; }
    body.home .advantage-four-card { padding: 32px 26px; }
    body.home .advantage-four-num { font-size: 50px; }
    body.home .process-showcase-num { font-size: 58px; }
}

@media (max-width: 768px) {
    body.home .hero-title { font-size: 34px; }
    body.home .hero-sub { font-size: 15px; }
    .hero-claims { gap: 8px 18px; margin-top: 26px; }
    .hero-claims span { padding: 3px 0; font-size: 13.5px; letter-spacing: 0; }

    .capability-band .proof-grid { grid-template-columns: repeat(2, 1fr); }
    .capability-band .proof-grid > div { padding: 24px 8px; }
    .capability-band .proof-grid > div:nth-child(2n + 1)::before { display: none; }
    .capability-band .proof-grid strong { font-size: 28px; }
    .capability-band .proof-grid strong span { font-size: 14px; }
    .capability-band .proof-grid small { font-size: 12px; letter-spacing: 1px; }

    .head-left .section-title { font-size: 30px; padding-left: 16px; }
    .head-left .section-title::before { width: 5px; }
    body.home .product-group-heading { font-size: 22px; }

    .trust-band { padding: 56px 0; }
    .trust-band-title { font-size: 27px; }
    .trust-band-sub { font-size: 15px; margin-bottom: 22px; }
    .trust-band-list { grid-template-columns: 1fr; gap: 10px; margin-bottom: 28px; }
    .trust-band-list li { font-size: 14px; }

    body.home .advantage-four-card { padding: 24px 18px; gap: 14px; }
    body.home .advantage-four-num { font-size: 38px; }
    body.home .advantage-four-title { font-size: 18px; }

    body.home .process-showcase { gap: 28px; }
    body.home .process-showcase-num { font-size: 44px; }
    body.home .process-showcase-title { font-size: 22px; }

    body.home .process-flow { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    body.home .process-flow-item { padding: 20px 12px 16px; }

    .home-cta { padding: 64px 0; }
    .home-cta-title { font-size: 28px; letter-spacing: 1px; }
    .home-cta-sub { font-size: 15px; margin-bottom: 28px; }
}

@media (max-width: 480px) {
    body.home .hero-title { font-size: 29px; }
    .hero-claims span { font-size: 12.5px; padding: 2px 0; }
    body.home .products-showcase .product-showcase-card {
        flex: 0 0 85%;
        min-width: 0;
    }
    body.home .process-flow { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    body.home .process-flow-num { width: 44px; height: 44px; font-size: 16px; margin-bottom: 10px; }
    body.home .process-flow-title { font-size: 15px; }
    .home-cta-title { font-size: 24px; }
    .home-cta-actions .btn { width: 100%; max-width: 280px; }
}