/* ============================================================
   领拉科技官网主题样式（在 style.css 之后加载，用于统一视觉与响应式）
   ============================================================ */

:root {
    --brand: #0f2b4a;
    --brand-2: #173d68;
    --accent: #ff8f1f;
    --accent-2: #ff6a00;
    --ink: #0f172a;
    --text: #334155;
    --muted: #64748b;
    --line: #e6ebf3;
    --bg: #f6f8fc;
    --white: #fff;
    --radius: 14px;
    --shadow-sm: 0 2px 8px rgba(15, 43, 74, .06);
    --shadow: 0 12px 32px rgba(15, 43, 74, .10);
    --shadow-lg: 0 24px 60px rgba(15, 43, 74, .14);
}

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif !important;
    color: var(--text);
    background: var(--white);
    font-size: 15px;
    line-height: 1.75;
    padding-bottom: 0;
}

h1, h2, h3, h4, h5, h6, .logo h1 a, ul.nav.navbar-nav li a {
    font-family: inherit !important;
}

a { color: var(--brand); transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
a:hover, a:focus { color: var(--accent); text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: auto; max-width: 1200px; padding-left: 20px; padding-right: 20px; }

/* 跳转链接（无障碍） */
.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 999;
    background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- 顶部信息条 ---------- */
.topbar {
    background: var(--brand);
    color: rgba(255, 255, 255, .78);
    font-size: 13px;
    line-height: 36px;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-item { color: rgba(255, 255, 255, .78); white-space: nowrap; }
.topbar-item i { margin-right: 6px; color: var(--accent); }
.topbar-item:hover { color: #fff; }

/* ---------- 头部 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: 0 8px 24px rgba(15, 43, 74, .08); }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 78px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: 0 0 auto; }
.brand-mark {
    width: 44px; height: 44px; border-radius: 12px;
    object-fit: contain; display: block;
    filter: drop-shadow(0 6px 14px rgba(23, 76, 166, .22));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 19px; color: var(--brand); letter-spacing: 1px; }
.brand-text em { font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: .5px; }

.nav-toggle {
    display: none; margin-left: auto; width: 42px; height: 38px;
    border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 9px 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--brand); margin: 4px 0; border-radius: 2px; transition: .2s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.main-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
    display: block; padding: 10px 14px; border-radius: 9px;
    font-size: 15px; font-weight: 500; color: var(--ink); text-decoration: none;
}
.main-nav > ul > li > a i { margin-left: 5px; font-size: 12px; color: var(--muted); }
.main-nav > ul > li:hover > a,
.main-nav > ul > li.active > a { color: var(--brand); background: rgba(255, 143, 31, .10); }
.main-nav > ul > li.active > a { color: var(--accent-2); }

.sub-nav {
    position: absolute; left: 0; top: calc(100% + 8px); min-width: 240px;
    background: #fff; border: 1px solid var(--line); border-radius: 12px;
    box-shadow: var(--shadow); padding: 8px; margin: 0; list-style: none;
    opacity: 0; visibility: hidden; transform: translateY(6px);
    transition: .2s ease; z-index: 20;
}
.main-nav > ul > li:hover .sub-nav,
.main-nav > ul > li:focus-within .sub-nav { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-nav li a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14px; color: var(--text); }
.sub-nav li a:hover { background: var(--bg); color: var(--brand); }
.sub-nav .sub-all { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 6px; }
.sub-nav .sub-all a { color: var(--accent-2); font-weight: 600; }

.nav-search { position: relative; display: flex; align-items: center; }
.nav-search input {
    width: 168px; height: 38px; border: 1px solid var(--line); border-radius: 999px;
    padding: 0 40px 0 16px; font-size: 13px; background: var(--bg); outline: none; color: var(--text);
    transition: .2s;
}
.nav-search input:focus { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(255, 143, 31, .12); }
.nav-search button {
    position: absolute; right: 4px; width: 32px; height: 30px; border: 0; border-radius: 999px;
    background: transparent; color: var(--muted); cursor: pointer;
}
.nav-search button:hover { color: var(--accent); }

.header-cta {
    flex: 0 0 auto; height: 42px; line-height: 42px; padding: 0 20px; border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff !important;
    font-size: 14px; font-weight: 600; box-shadow: 0 10px 22px rgba(255, 122, 0, .28); white-space: nowrap;
}
.header-cta:hover { transform: translateY(-1px); box-shadow: 0 14px 26px rgba(255, 122, 0, .34); }

/* ---------- 首页 Hero ---------- */
.hero {
    position: relative; overflow: hidden; color: #fff;
    background: var(--brand);
}
.hero-bg {
    position: absolute; inset: 0;
    background-image: url(/uploads/linglatec.png);
    background-size: cover; background-position: center 10%;
    opacity: .58;
}
.webp .hero-bg { background-image: url(/uploads/linglatec.webp); }
.hero::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(8, 26, 45, .88) 8%, rgba(9, 32, 56, .66) 46%, rgba(10, 40, 70, .34) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 84px 0 92px; max-width: 780px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
    background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .18);
    font-size: 13px; color: rgba(255, 255, 255, .9); margin-bottom: 22px;
}
.hero-badge i { color: var(--accent); }
.hero h1 {
    font-size: 46px; line-height: 1.25; font-weight: 700; letter-spacing: 1px;
    margin: 0 0 18px; color: #fff; text-shadow: 0 6px 26px rgba(0, 0, 0, .25);
}
.hero h1 span { color: var(--accent); }
.hero-lead { font-size: 17px; line-height: 1.9; color: rgba(255, 255, 255, .82); margin: 0 0 30px; max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.btn-solid, .btn-ghost-light, .btn-ghost, .btn-line {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 48px; padding: 0 26px; border-radius: 999px; font-size: 15px; font-weight: 600;
    text-decoration: none; border: 1px solid transparent; cursor: pointer;
}
.btn-solid { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff !important; box-shadow: 0 14px 28px rgba(255, 122, 0, .28); }
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(255, 122, 0, .34); color: #fff; }
.btn-ghost-light { border-color: rgba(255, 255, 255, .4); color: #fff !important; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--brand) !important; background: #fff; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2) !important; }
.btn-line { border-color: rgba(255, 255, 255, .35); color: #fff !important; background: transparent; }

.hero-points { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 0; padding: 0; list-style: none; }
.hero-points li { font-size: 14px; color: rgba(255, 255, 255, .85); }
.hero-points i { color: var(--accent); margin-right: 8px; }

.hero-stats {
    position: relative; z-index: 3; margin-top: -46px;
}
.hero-stats .stat-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden;
}
.stat-cell { padding: 24px 18px; text-align: center; border-right: 1px solid var(--line); }
.stat-cell:last-child { border-right: 0; }
.stat-cell strong { display: block; font-size: 30px; color: var(--brand); line-height: 1.2; font-weight: 700; }
.stat-cell strong em { font-style: normal; font-size: 16px; color: var(--accent); margin-left: 2px; }
.stat-cell span { font-size: 13px; color: var(--muted); }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section.alt { background: var(--bg); }
.section.tight { padding: 56px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 46px; }
.section-head .eyebrow {
    display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 3px;
    color: var(--accent-2); text-transform: uppercase; margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; line-height: 1.35; color: var(--brand); margin: 0 0 12px; font-weight: 700; }
.section-head p { color: var(--muted); font-size: 15px; margin: 0; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head.left::after { content: ""; display: block; width: 56px; height: 3px; margin-top: 18px; background: linear-gradient(90deg, var(--accent), transparent); border-radius: 2px; }

/* 服务卡片 */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
    position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px 24px; box-shadow: var(--shadow-sm); transition: .25s ease; overflow: hidden;
}
.service-card::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0); transform-origin: left; transition: .25s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #dfe7f4; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 52px; height: 52px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(255, 143, 31, .14), rgba(255, 106, 0, .06));
    color: var(--accent-2); font-size: 22px; margin-bottom: 18px;
}
.service-card h3 { font-size: 18px; color: var(--ink); margin: 0 0 10px; font-weight: 600; }
.service-card p { font-size: 14px; color: var(--muted); line-height: 1.85; margin: 0 0 16px; }
.service-card .more { font-size: 13px; font-weight: 600; color: var(--accent-2); }
.service-card .more i { transition: transform .2s; }
.service-card:hover .more i { transform: translateX(4px); }

/* 产品卡片 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: .25s; display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #eef2f8; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-thumb img { transform: scale(1.05); }
.product-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 18px; color: var(--ink); margin: 0 0 10px; font-weight: 600; }
.product-body p { font-size: 14px; color: var(--muted); margin: 0 0 16px; flex: 1; line-height: 1.8; }
.product-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.product-tags span { font-size: 12px; color: var(--brand); background: rgba(15, 43, 74, .06); border-radius: 999px; padding: 3px 10px; }

/* 动态卡片 */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
    display: flex; gap: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 18px; box-shadow: var(--shadow-sm); transition: .25s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-thumb { flex: 0 0 210px; aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; background: #eef2f8; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.news-meta .tag { color: var(--accent-2); background: rgba(255, 143, 31, .10); padding: 2px 9px; border-radius: 999px; }
.news-content h3 { font-size: 17px; margin: 0 0 8px; line-height: 1.5; font-weight: 600; }
.news-content h3 a { color: var(--ink); }
.news-content h3 a:hover { color: var(--accent-2); }
.news-content p { font-size: 13.5px; color: var(--muted); margin: 0 0 12px; line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-content .more { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--accent-2); }

/* 数据带 */
.stats-band { background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 55%, #1e4f86 100%); color: #fff; padding: 54px 0; }
.stats-band .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band strong { display: block; font-size: 34px; font-weight: 700; color: #fff; }
.stats-band strong em { font-style: normal; color: var(--accent); font-size: 18px; }
.stats-band span { font-size: 13.5px; color: rgba(255, 255, 255, .72); }

/* 关于/双栏 */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 64px; }
.split-rev { grid-template-columns: .95fr 1.05fr; }
.split-rev .split-media { order: 2; }
.split-rev .split-body { order: 1; }
.split-media { position: relative; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-lg); }
.split-media img { width: 100%; display: block; }
.split-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(8, 26, 45, .35)); }
.split-badge {
    position: absolute; left: 22px; bottom: 22px; z-index: 2;
    background: rgba(255, 255, 255, .94); border-radius: 12px; padding: 12px 18px; box-shadow: var(--shadow);
}
.split-badge strong { display: block; font-size: 20px; color: var(--brand); }
.split-badge span { font-size: 12px; color: var(--muted); }
.split-body h2 { font-size: 30px; color: var(--brand); margin: 0 0 16px; line-height: 1.4; }
.split-body p { color: var(--text); font-size: 15px; line-height: 1.95; margin: 0 0 14px; }
.check-list { list-style: none; margin: 22px 0 26px; padding: 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; font-size: 14.5px; color: var(--text); }
.check-list li::before {
    content: "\f00c"; font-family: FontAwesome; position: absolute; left: 0; top: 1px;
    width: 19px; height: 19px; border-radius: 50%; background: rgba(255, 143, 31, .14);
    color: var(--accent-2); font-size: 10px; text-align: center; line-height: 19px;
}

/* 内页横幅 */
.page-hero {
    position: relative; padding: 64px 0 54px; color: #fff; overflow: hidden;
    background: var(--brand);
}
.page-hero::before {
    content: ""; position: absolute; inset: 0;
    background-image: url(/uploads/linglatec.png); background-size: cover; background-position: center 40%;
    opacity: .26;
}
.webp .page-hero::before { background-image: url(/uploads/linglatec.webp); }
.page-hero::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(9, 28, 48, .94), rgba(12, 40, 68, .72));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 36px; margin: 0 0 10px; font-weight: 700; color: #fff; line-height: 1.35; }
.page-hero p { margin: 0; color: rgba(255, 255, 255, .78); font-size: 15px; max-width: 640px; }
.crumbs { font-size: 13px; color: rgba(255, 255, 255, .65); margin-top: 16px; }
.crumbs a { color: rgba(255, 255, 255, .78); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 8px; opacity: .5; }
.crumbs .current { color: #fff; }

/* 文章正文 */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
.article-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 40px 30px; box-shadow: var(--shadow-sm); }
.article-head { padding-bottom: 22px; border-bottom: 1px dashed var(--line); margin-bottom: 26px; }
.article-head h1 { font-size: 28px; line-height: 1.5; margin: 0 0 14px; color: var(--ink); font-weight: 700; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--muted); }
.article-meta i { margin-right: 6px; color: var(--accent); }
.article-body { font-size: 15.5px; line-height: 1.95; color: #2f3b4a; }

/* 关于我们：长正文文档卡片 */
.about-article {
    max-width: 880px; margin: 0 auto; background: #fff; border-radius: 18px;
    box-shadow: var(--shadow); padding: 44px 52px;
}
.about-article img { border-radius: 12px; }
.article-body p { margin: 0 0 18px; }
.article-body img, .article-body picture img { border-radius: 10px; margin: 8px auto 20px; display: block; }
.article-body h2 { font-size: 22px; margin: 32px 0 14px; color: var(--brand); border-left: 4px solid var(--accent); padding-left: 12px; }
.article-body h3 { font-size: 18px; margin: 26px 0 12px; color: var(--ink); }
.article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 18px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
    margin: 22px 0; padding: 16px 22px; background: var(--bg); border-left: 4px solid var(--accent);
    color: var(--muted); border-radius: 0 10px 10px 0;
}
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 12px; }
.article-body th { background: var(--bg); color: var(--brand); }
.article-body a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.table-wrap { width: 100%; overflow-x: auto; }

.article-foot { margin-top: 30px; padding-top: 22px; border-top: 1px dashed var(--line); display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.article-foot .tags a { display: inline-block; font-size: 12px; color: var(--brand); background: var(--bg); border-radius: 999px; padding: 4px 12px; margin-right: 6px; }
.share-box { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.share-box a { width: 30px; height: 30px; line-height: 30px; text-align: center; border-radius: 50%; background: var(--bg); color: var(--brand); }
.share-box a:hover { background: var(--accent); color: #fff; }

.sidebar-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); margin-bottom: 22px; }
.sidebar-card h3 { font-size: 16px; color: var(--brand); margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); font-weight: 600; }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.side-list li:last-child { border-bottom: 0; }
.side-list a { font-size: 14px; color: var(--text); display: block; line-height: 1.6; }
.side-list a:hover { color: var(--accent-2); }
.side-list span { font-size: 12px; color: var(--muted); }
.sidebar-card .btn-solid { width: 100%; height: 42px; font-size: 14px; margin-top: 6px; }

/* 产品详情 */
.product-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.product-hero-media { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-lg); background: #eef2f8; }
.product-hero-media img { width: 100%; display: block; }
.product-hero-body h1 { font-size: 30px; color: var(--brand); margin: 0 0 14px; line-height: 1.4; }
.product-hero-body .lead { font-size: 15px; color: var(--muted); line-height: 1.9; margin-bottom: 20px; }
.product-hero-body .product-tags { margin-bottom: 22px; }
.product-hero-body .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 表单 */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; color: var(--ink); font-weight: 500; }
.form-field label .req { color: #e5484d; margin-left: 3px; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px;
    font-size: 14px; color: var(--ink); background: #fff; outline: none; transition: .2s; box-shadow: none;
}
.form-field textarea { min-height: 120px; resize: vertical; }

/* 联系页：公司名称/邮箱左列堆叠 + 微信二维码占右侧空间 */
.form-mid { display: grid; grid-template-columns: 1fr 240px; gap: 16px; margin-top: 16px; margin-bottom: 16px; }
.form-stack { display: flex; flex-direction: column; gap: 16px; }
.form-qr {
    display: flex; flex-direction: row-reverse; align-items: center; justify-content: center; gap: 10px;
    border: 1px dashed var(--line); border-radius: 12px; background: var(--bg); padding: 6px 10px;
}
.form-qr img { display: block; width: 166px; height: 166px; border-radius: 10px; box-shadow: var(--shadow-sm); }
/* 文案改为二维码左侧竖排，腾出空间放大二维码 */
.form-qr p {
    margin: 0; font-size: 12.5px; color: var(--ink); text-align: center; line-height: 1.5;
    writing-mode: vertical-rl; letter-spacing: 1px;
}
.form-qr p em { font-style: normal; font-size: 11.5px; color: var(--muted); }

/* 联系页右栏：底栏卡片弹性填充，保证与左栏底部对齐 */
#messageForm .article-layout { align-items: stretch; }
.aside-contact { display: flex; flex-direction: column; }
.aside-contact .sidebar-card:last-child { flex: 1; display: flex; flex-direction: column; }
.aside-contact .qr-single { align-items: center; text-align: center; }
.aside-contact .qr-single figure { margin: 0; }
.aside-contact .qr-single img { display: block; margin: 0 auto 10px; border-radius: 12px; box-shadow: var(--shadow-sm); }
.aside-contact .qr-single figcaption { font-size: 13px; color: var(--ink); line-height: 1.6; }
.aside-contact .qr-single figcaption em { font-style: normal; font-size: 12px; color: var(--muted); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255, 143, 31, .12); }
.form-hint { font-size: 12px; color: var(--muted); }
.form-msg { margin-bottom: 16px; border-radius: 10px; padding: 12px 16px; font-size: 14px; }
.form-msg.ok { background: #ecfdf3; color: #087443; border: 1px solid #c7f0d8; }
.form-msg.err { background: #fef3f2; color: #b42318; border: 1px solid #fbd6d2; }
.form-card .btn-solid { width: 100%; height: 48px; margin-top: 16px; border: 0; }
.contact-info-list { list-style: none; margin: 0; padding: 0; }
.contact-info-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.contact-info-list li:last-child { border-bottom: 0; }
.contact-info-list .ico {
    flex: 0 0 40px; width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
    background: rgba(255, 143, 31, .12); color: var(--accent-2); font-size: 16px;
}
.contact-info-list strong { display: block; font-size: 13px; color: var(--muted); font-weight: 500; }
.contact-info-list span { font-size: 15px; color: var(--ink); }

/* 联系页侧栏：压缩高度，与左侧留言表单对齐 */
.aside-contact .sidebar-card { padding: 18px 20px; margin-bottom: 18px; }
.aside-contact .sidebar-card h3 { margin: 0 0 10px; padding-bottom: 10px; }
.aside-contact .contact-info-list li { padding: 11px 0; }
.qr-duo { display: flex; justify-content: space-around; gap: 14px; }
.qr-duo figure { margin: 0; text-align: center; }
.qr-duo img { display: block; margin: 0 auto; border-radius: 10px; box-shadow: var(--shadow-sm); }
.qr-duo figcaption { margin-top: 8px; font-size: 12.5px; color: var(--ink); line-height: 1.5; }
.qr-duo figcaption em { font-style: normal; font-size: 11.5px; color: var(--muted); }

/* 站内搜索关键词高亮 */
mark.kw-hit { background: #fff1a8; color: #8a5a00; padding: 0 2px; border-radius: 3px; font-weight: 600; }
.news-card h3 mark.kw-hit { color: #8a5a00; }

/* 分页 */
.pager { display: flex; justify-content: center; margin-top: 40px; }
.pager ul.pagination { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pager .pagination > li > a, .pager .pagination > li > span,
.welcome .pagination > li > a, .welcome .pagination > li > span {
    display: inline-block; min-width: 38px; height: 38px; line-height: 36px; padding: 0 12px;
    border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: #fff; font-size: 14px; text-align: center;
}
.pager .pagination > li > a:hover, .welcome .pagination > li > a:hover { border-color: var(--accent); color: var(--accent-2); }
.pager .pagination > li.active > a, .pager .pagination > li.disabled.active > a,
.welcome .pagination > li.active > a { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager .pagination > li.disabled > a { color: #b8c2d1; background: var(--bg); }
.pager .page-num, .welcome .page-num { border: 0; color: var(--muted); font-size: 13px; }

/* CTA 带 */
.cta-band { background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 60%, #1d4d82 100%); color: #fff; padding: 46px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-text h2 { font-size: 26px; margin: 0 0 8px; color: #fff; font-weight: 700; }
.cta-text p { margin: 0; color: rgba(255, 255, 255, .75); font-size: 14.5px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 页脚 */
.site-footer { background: #0b1f36; color: rgba(255, 255, 255, .68); padding: 62px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.25fr; gap: 40px; }
.footer-col h3 { font-size: 15px; color: #fff; margin: 0 0 18px; font-weight: 600; position: relative; padding-bottom: 12px; }
.footer-col h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--accent); }
.brand-light .brand-text strong { color: #fff; }
.brand-light .brand-text em { color: rgba(255, 255, 255, .5); }
.footer-about p { margin: 18px 0; line-height: 1.9; font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-badges span { font-size: 12px; color: rgba(255, 255, 255, .7); border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px; padding: 3px 10px; }
.footer-badges i { color: var(--accent); margin-right: 5px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, .66); font-size: 13.5px; }
.footer-links a:hover { color: var(--accent); }
.footer-contact-list { list-style: none; margin: 0 0 16px; padding: 0; }
.footer-contact-list li { margin-bottom: 10px; font-size: 13.5px; color: rgba(255, 255, 255, .66); }
.footer-contact-list i { width: 18px; color: var(--accent); margin-right: 8px; }
.footer-contact-list a { color: rgba(255, 255, 255, .66); }
.footer-qr { display: flex; align-items: center; gap: 12px; }
.footer-qr img { border-radius: 8px; background: #fff; padding: 3px; }
.footer-qr span { font-size: 12.5px; color: rgba(255, 255, 255, .55); line-height: 1.7; }
.footer-bottom { margin-top: 46px; border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: 12.5px; color: rgba(255, 255, 255, .45); }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255, 255, 255, .55); }

/* 悬浮工具 */
.float-tools { position: fixed; right: 18px; bottom: 90px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.float-btn {
    width: 46px; height: 46px; border-radius: 13px; border: 0; background: #fff; color: var(--brand);
    box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; flex-direction: column;
    font-size: 17px; cursor: pointer; text-decoration: none; transition: .2s; opacity: 0; visibility: hidden;
}
.float-tools a.float-btn { opacity: 1; visibility: visible; }
.float-btn span { font-size: 10px; line-height: 1; margin-top: 2px; }
.float-btn:hover { background: var(--accent); color: #fff; }
.float-btn.show { opacity: 1; visibility: visible; }

/* 移动端底部条 */
.mobile-bar { display: none; }

/* 空状态 */
.empty-state { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty-state i { font-size: 44px; color: #cbd5e1; margin-bottom: 14px; display: block; }
.empty-state h3 { color: var(--ink); font-size: 18px; margin-bottom: 8px; }

/* 搜索 */
.search-box { max-width: 640px; margin: 0 auto 34px; display: flex; gap: 10px; }
.search-box input { flex: 1; height: 50px; border: 1px solid var(--line); border-radius: 999px; padding: 0 22px; font-size: 15px; outline: none; }
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255, 143, 31, .12); }
.search-box button { border: 0; }
.search-result-tip { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 30px; }
.search-result-tip strong { color: var(--accent-2); }

/* 兼容旧结构（保留 jarallax 背景容器） */
.about-banner, .different { background-image: url(../images/background.png); background-size: cover; background-position: center; }
.webp .about-banner, .webp .different { background-image: url(../images/background.webp); }

/* ---------- 响应式 ---------- */
@media (max-width: 1199px) {
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .article-layout { grid-template-columns: minmax(0, 1fr); }
    .split { gap: 36px; }
}

@media (max-width: 991px) {
    .topbar-left .topbar-item:nth-child(2) { display: none; }
    .header-inner { min-height: 68px; gap: 14px; }
    .nav-toggle { display: block; order: 3; }
    .header-cta { display: none; }
    .main-nav {
        position: absolute; left: 0; right: 0; top: 100%; background: #fff;
        border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
        flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px;
        display: none; max-height: calc(100vh - 110px); overflow-y: auto;
    }
    .main-nav.open { display: flex; }
    .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
    .main-nav > ul > li > a { padding: 12px 8px; border-radius: 8px; }
    .sub-nav {
        position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
        border: 0; border-left: 2px solid var(--line); border-radius: 0; padding: 0 0 0 14px; margin: 0 0 6px 8px;
        display: none;
    }
    .main-nav > ul > li.open-sub .sub-nav { display: block; }
    .nav-search { margin-top: 12px; }
    .nav-search input { width: 100%; }
    .hero-inner { padding: 60px 0 68px; }
    .hero h1 { font-size: 32px; }
    .hero-stats { margin-top: 24px; }
    .hero-stats .stat-grid, .stats-band .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-cell:nth-child(2) { border-right: 0; }
    .section { padding: 54px 0; }
    .section-head h2 { font-size: 26px; }
    .split, .product-hero { grid-template-columns: 1fr; gap: 28px; }
    .article-main { padding: 26px 22px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .float-tools { display: none; }
    .mobile-bar {
        display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
        background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -6px 18px rgba(15, 43, 74, .06);
        padding: 6px 0 calc(6px + env(safe-area-inset-bottom, 0px));
    }
    .mobile-bar a {
        flex: 1; text-align: center; font-size: 11px; color: var(--muted); padding: 4px 0;
        display: flex; flex-direction: column; align-items: center; gap: 3px;
    }
    .mobile-bar a i { font-size: 17px; color: var(--brand); }
    body { padding-bottom: 58px; }
}

@media (max-width: 767px) {
    .topbar { font-size: 12px; }
    .topbar-right .topbar-item:not(:last-child) { display: none; }
    .hero h1 { font-size: 26px; }
    .hero-lead { font-size: 14.5px; }
    .hero-actions .btn-solid, .hero-actions .btn-ghost-light { height: 44px; padding: 0 20px; font-size: 14px; }
    .service-grid, .product-grid { grid-template-columns: 1fr; }
    .news-card { flex-direction: column; gap: 14px; }
    .news-thumb { flex: none; width: 100%; aspect-ratio: 16 / 9; }
    .page-hero { padding: 40px 0 34px; }
    .page-hero h1 { font-size: 24px; }
    .form-grid { grid-template-columns: 1fr; }
    .form-mid { grid-template-columns: 1fr; }
    .form-qr { flex-direction: row; justify-content: flex-start; gap: 14px; padding: 12px 14px; }
    .form-qr p { writing-mode: horizontal-tb; letter-spacing: 0; text-align: left; }
    .form-qr img { width: 132px; height: 132px; }
    .form-card { padding: 22px; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-head h1 { font-size: 22px; }
    .article-body { font-size: 15px; }
    .about-article { padding: 26px 20px; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .stats-band strong { font-size: 26px; }
    .stat-cell strong { font-size: 24px; }
}