/* ==========================================================================
   Enterprise CMS — global design system
   企业级视觉：藏青 + 科技蓝、留白充足、网格纹理、图标化卡片。
   Responsive, mobile-first, no framework.
   ========================================================================== */

:root {
    /* 品牌色板 */
    --navy-950: #071226;
    --navy-900: #0a1c3d;
    --navy-800: #0e2a5c;
    --blue-700: #10409f;
    --primary: #1a56db;
    --primary-dark: #1240ab;
    --primary-soft: #eef4ff;
    --cyan: #2ec5ff;

    /* 中性色 */
    --ink: #0f1e35;
    --text: #46536e;
    --muted: #8592a8;
    --line: #e6ebf3;
    --bg: #ffffff;
    --bg-soft: #f5f8fc;

    /* 形状与投影 */
    --radius: 12px;
    --radius-sm: 6px;
    --shadow: 0 12px 32px rgba(13, 42, 95, 0.10);
    --shadow-lift: 0 18px 44px rgba(13, 42, 95, 0.16);
    --maxw: 1200px;

    --hero-grad: linear-gradient(120deg, #081a3a 0%, #0c2b66 48%, #144bb8 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    line-height: 1.75;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; }

/* 统一按钮/输入框在 iOS Safari 下的外观，避免系统默认圆角与渐变 */
button, input, select, textarea {
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
}
button { cursor: pointer; background: none; border: none; }
/* 关闭点击高亮灰块（保留可聚焦轮廓） */
a, button, .card, .feature-card { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

/* ----------------------------------------------------------------- icons */
.icon {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: none;
}

/* --------------------------------------------------------------- 数据看板 */
.stats-bar {
    padding: 64px 0;
    background: var(--bg-soft);
    border-block: 1px solid var(--line);
}
.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-item {
    text-align: center;
    position: relative;
}
.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 18%;
    bottom: 18%;
    width: 1px;
    background: var(--line);
}
.stat-value {
    display: block;
    font-size: 44px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.stat-unit {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-left: 2px;
}
.stat-label {
    display: block;
    margin-top: 10px;
    font-size: 15px;
    color: var(--muted);
}
.section { padding: 84px 0; }
.section.soft { background: var(--bg-soft); }
.section.tight { padding: 56px 0; }

/* 章节标题：英文小标 overline + 中文大标题（企业站惯用） */
.section-head {
    text-align: center;
    margin-bottom: 52px;
}
.section-head .overline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 14px;
}
.section-head .overline::before,
.section-head .overline::after {
    content: "";
    width: 36px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary));
}
.section-head .overline::after {
    background: linear-gradient(90deg, var(--primary), transparent);
}
.section-head h2 {
    font-size: clamp(26px, 3.2vw, 36px);
    font-weight: 700;
    letter-spacing: 0.01em;
}
.section-head .sub {
    margin-top: 12px;
    color: var(--muted);
    font-size: 16px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* 无 overline 时的回退样式（动态 PageBlock 等） */
.section-title {
    text-align: center;
    margin-bottom: 48px;
}
.section-title h2 {
    font-size: clamp(26px, 3.2vw, 36px);
    font-weight: 700;
    margin-bottom: 12px;
}
.section-title p { color: var(--muted); font-size: 16px; }
.section-title::after {
    content: "";
    display: block;
    width: 48px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    margin: 18px auto 0;
}
/* 居中正文（PageBlock 区块导语） */
.prose-center {
    max-width: 720px;
    margin: 0 auto 8px;
    text-align: center;
    color: var(--muted);
    font-size: 16px;
}
.prose-center p { margin-bottom: 0.9em; }

/* 能力卡网格（PageBlock.features，首页「核心能力」） */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 44px;
}
.feature-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px 24px 28px;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: transparent;
}
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    margin-bottom: 18px;
}
.feature-icon .icon { width: 26px; height: 26px; }
.feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}
.feature-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
}

/* 步骤时间轴（PageBlock.features，首页「全生命周期服务」） */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 44px;
    position: relative;
}
.steps::before {
    content: "";
    position: absolute;
    top: 23px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    opacity: .35;
}
.step { text-align: center; position: relative; }
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--blue-700));
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(26, 86, 219, 0.3);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.step h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--muted); padding: 0 8px; }

/* ----------------------------------------------------- 顶部公告 (messages) */
.site-announce {
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.announce-inner { padding: 8px 24px; }
.announce-list {
    display: flex;
    align-items: center;
    gap: 28px;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    max-width: 100%;
}
.announce-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    line-height: 1.5;
    padding: 4px 0;
}
.announce-item.announce-error { color: #b42318; }
.announce-item.announce-success { color: #134e4a; }
.announce-icon {
    width: 18px;
    height: 18px;
    flex: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.announce-text { max-width: 100%; }
.announce-close {
    border: none;
    background: transparent;
    cursor: pointer;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    transition: color .2s ease;
    flex: none;
}
.announce-close:hover { color: var(--ink); }
.announce-close .icon { width: 16px; height: 16px; stroke-width: 1.8; }
.announce-item.announce-error .announce-close { color: #b4231880; }
.announce-item.announce-error .announce-close:hover { color: #b42318; }
.announce-item.announce-success .announce-close { color: #134e4a80; }
.announce-item.announce-success .announce-close:hover { color: #134e4a; }

/* ---------------------------------------------------------------- top bar */
.topbar {
    background: var(--navy-950);
    color: #b8c4d9;
    font-size: 13px;
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 38px;
}
.topbar .topbar-left { display: flex; align-items: center; gap: 24px; min-width: 0; }
.topbar a { color: #b8c4d9; display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: #fff; }
.topbar .icon { width: 14px; height: 14px; }
.topbar .topbar-slogan {
    letter-spacing: 0.08em;
    opacity: .8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ------------------------------------------------------------------ header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(1.4) blur(10px);
    -webkit-backdrop-filter: saturate(1.4) blur(10px);
    border-bottom: 1px solid transparent;
    transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 6px 24px rgba(13, 42, 95, 0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}
.logo img { height: 42px; }
.logo-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.logo-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--hero-grad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.logo-mark .icon { width: 18px; height: 18px; stroke-width: 2; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-cta { margin-left: 0; }
.header-search {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--ink);
    transition: background .2s ease, color .2s ease;
}
.header-search:hover { background: var(--primary-soft); color: var(--primary); }
.header-search .icon { width: 20px; height: 20px; }

.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
    position: relative;
    display: block;
    padding: 26px 16px;
    color: var(--ink);
    font-weight: 500;
    font-size: 15px;
    line-height: 1.5;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 14px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
}
.nav-link:hover, .nav-item.active > .nav-link { color: var(--primary); }
.nav-link:hover::after, .nav-item.active > .nav-link::after { transform: scaleX(1); }

.sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 10px);
    min-width: 190px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: all .2s ease;
    padding: 8px 0;
}
.nav-item.has-sub:hover .sub-menu,
.nav-item.has-sub:focus-within .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}
.sub-menu li a {
    display: block;
    padding: 10px 20px;
    color: var(--text);
    font-size: 14px;
}
.sub-menu li a:hover { background: var(--bg-soft); color: var(--primary); }

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 20px;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--ink);
}

/* --------------------------------------------------------------- hero */
.hero {
    position: relative;
    min-height: clamp(560px, 78vh, 760px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    overflow: hidden;
    background: var(--hero-grad);
    isolation: isolate;
}
/* 网格纹理层 */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(126, 170, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(126, 170, 255, 0.08) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 95% 85% at 50% 42%, #000 35%, transparent 78%);
    mask-image: radial-gradient(ellipse 95% 85% at 50% 42%, #000 35%, transparent 78%);
}
.hero .slide {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0;
    transition: opacity 1.1s ease;
    background-size: cover;
    background-position: center;
}
.hero .slide.active { opacity: 1; }

/* 图片轮播模式（Banner 上传真图后）：保留原文案遮罩 */
.hero .slide-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(7, 18, 38, 0.82) 0%, rgba(10, 28, 61, 0.55) 55%, rgba(20, 75, 184, 0.35) 100%);
}

/* CSS 艺术场景：每页独立光效构图（无图模式） */
.hero .slide-art {
    background-color: var(--navy-950);
}
/* 场景 1 — 主视：右上青色极光 + 左下品牌蓝 + 数据坐标轴 */
.hero .slide-art-1 {
    background:
        radial-gradient(720px 420px at 80% 16%, rgba(46, 197, 255, 0.34), transparent 62%),
        radial-gradient(900px 560px at 6% 96%, rgba(26, 86, 219, 0.46), transparent 60%),
        linear-gradient(122deg, #071226 0%, #0a1f4a 52%, #10367f 100%);
}
/* 场景 2 — 案例：中线水平光束 + 双角光斑，叙事感 */
.hero .slide-art-2 {
    background:
        radial-gradient(1000px 260px at 68% 46%, rgba(46, 197, 255, 0.20), transparent 68%),
        radial-gradient(560px 420px at 12% 8%, rgba(46, 197, 255, 0.22), transparent 60%),
        radial-gradient(820px 520px at 92% 90%, rgba(26, 86, 219, 0.44), transparent 62%),
        linear-gradient(112deg, #081a3a 0%, #0c2b66 50%, #0f3f96 100%);
}
/* 场景 3 — 数据：中心光核 + 细环，聚焦感 */
.hero .slide-art-3 {
    background:
        radial-gradient(520px 380px at 62% 40%, rgba(120, 200, 255, 0.26), transparent 60%),
        radial-gradient(880px 540px at 10% 100%, rgba(26, 86, 219, 0.40), transparent 60%),
        linear-gradient(118deg, #071226 0%, #0b2452 55%, #144bb8 118%);
}
/* 艺术场景的装饰环（SVG data-uri，随场景淡入淡出） */
.hero .slide-art::before {
    content: "";
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    background-position: 62% 38%;
    background-size: 620px 620px;
    opacity: .5;
}
.hero .slide-art-1::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 620 620'%3E%3Cg fill='none' stroke='%232ec5ff' stroke-opacity='.14'%3E%3Ccircle cx='310' cy='310' r='120' stroke-width='1'/%3E%3Ccircle cx='310' cy='310' r='190' stroke-width='1' stroke-dasharray='4 10'/%3E%3Ccircle cx='310' cy='310' r='268' stroke-width='1'/%3E%3C/g%3E%3Ccircle cx='310' cy='120' r='3' fill='%232ec5ff' fill-opacity='.6'/%3E%3Ccircle cx='578' cy='310' r='2.5' fill='%232ec5ff' fill-opacity='.45'/%3E%3Ccircle cx='310' cy='578' r='2' fill='%23fff' fill-opacity='.35'/%3E%3C/svg%3E");
}
.hero .slide-art-2::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 620 620'%3E%3Cg fill='none' stroke='%237cc8ff' stroke-opacity='.12'%3E%3Cpath d='M0 310h620' stroke-width='1'/%3E%3Cpath d='M0 240h620' stroke-width='.7' stroke-dasharray='2 12'/%3E%3Cpath d='M0 380h620' stroke-width='.7' stroke-dasharray='2 12'/%3E%3C/g%3E%3Ccircle cx='470' cy='310' r='3.5' fill='%232ec5ff' fill-opacity='.7'/%3E%3Ccircle cx='220' cy='310' r='2.5' fill='%23fff' fill-opacity='.4'/%3E%3C/svg%3E");
    background-position: 50% 44%;
}
.hero .slide-art-3::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 620 620'%3E%3Cg fill='none' stroke='%237cc8ff' stroke-opacity='.13'%3E%3Ccircle cx='310' cy='310' r='90' stroke-width='1'/%3E%3Ccircle cx='310' cy='310' r='170' stroke-width='1' stroke-dasharray='3 9'/%3E%3Cpath d='M310 40v540' stroke-width='.7' stroke-dasharray='2 10'/%3E%3Cpath d='M40 310h540' stroke-width='.7' stroke-dasharray='2 10'/%3E%3C/g%3E%3Ccircle cx='310' cy='140' r='3' fill='%23fff' fill-opacity='.5'/%3E%3Ccircle cx='480' cy='310' r='3' fill='%232ec5ff' fill-opacity='.65'/%3E%3C/svg%3E");
    background-position: 64% 40%;
}

/* 文案区：多幻灯片内容交叉切换 */
.hero-inner {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
}
.hero-content {
    position: relative;
    width: 100%;
    max-width: 720px;
    padding: 72px 0 32px;
    min-height: clamp(300px, 44vh, 420px);
}
.hero-slide-content {
    position: absolute;
    inset: 72px 0 32px;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .8s ease, transform .8s ease;
    pointer-events: none;
}
.hero-slide-content.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
@media (max-width: 768px) {
    .hero-slide-content {
        position: static;
        inset: auto;
        display: none;
    }
    .hero-slide-content.active { display: block; }
    .hero-content { min-height: 0; padding-top: 56px; }
}
.hero-slide-content .overline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 20px;
}
.hero-slide-content .overline::before {
    content: "";
    width: 40px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--cyan), transparent);
}
.hero-slide-content h1 {
    font-size: clamp(32px, 5vw, 54px);
    font-weight: 700;
    color: #fff;
    line-height: 1.22;
    letter-spacing: 0.01em;
    margin-bottom: 20px;
    text-shadow: 0 2px 24px rgba(7, 18, 38, 0.45);
}
.hero-slide-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.84);
    margin-bottom: 36px;
    max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 右侧视觉锚点：产品数据大屏（玻璃拟态卡片，≥992px 显示） */
.hero-visual {
    display: none;
    position: relative;
    z-index: 2;
    margin-left: auto;
    align-items: center;
}
@media (min-width: 992px) {
    .hero-inner {
        display: grid;
        grid-template-columns: minmax(0, 720px) 1fr;
        gap: 48px;
        align-items: center;
    }
    .hero-visual { display: flex; }
}
.hv-card {
    width: 100%;
    max-width: 420px;
    border-radius: 16px;
    padding: 22px 24px 20px;
    background: rgba(10, 28, 61, 0.42);
    border: 1px solid rgba(126, 170, 255, 0.22);
    box-shadow: 0 24px 64px rgba(3, 10, 24, 0.45);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    animation: hv-float 7s ease-in-out infinite;
}
@keyframes hv-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) {
    .hv-card { animation: none; }
}
.hv-head {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 18px;
}
.hv-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(126, 170, 255, 0.35);
}
.hv-dot:first-child { background: rgba(46, 197, 255, 0.85); }
.hv-title {
    margin-left: 10px;
    font-size: 13px;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.72);
}
.hv-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 18px;
}
.hv-kpi {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(126, 170, 255, 0.14);
    border-radius: 10px;
    padding: 12px 12px 10px;
}
.hv-kpi-value {
    display: block;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
    letter-spacing: -0.01em;
}
.hv-kpi-value span {
    font-size: 12px;
    font-weight: 500;
    color: var(--cyan);
    margin-left: 2px;
}
.hv-kpi-label {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
}
.hv-chart {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 84px;
    padding: 12px 12px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(126, 170, 255, 0.12);
    border-radius: 10px;
    overflow: hidden;
}
.hv-chart i {
    flex: 1;
    border-radius: 3px 3px 0 0;
    background: linear-gradient(180deg, rgba(46, 197, 255, 0.95), rgba(26, 86, 219, 0.45));
}
.hv-foot {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}
.hv-live {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 0 0 rgba(46, 197, 255, 0.6);
    animation: hv-pulse 2s ease-out infinite;
}
@keyframes hv-pulse {
    0% { box-shadow: 0 0 0 0 rgba(46, 197, 255, 0.55); }
    70% { box-shadow: 0 0 0 9px rgba(46, 197, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 197, 255, 0); }
}
@media (prefers-reduced-motion: reduce) {
    .hv-live { animation: none; }
}

/* 轮播指示点 */
.hero-dots {
    position: absolute;
    z-index: 2;
    left: 24px;
    right: 24px;
    bottom: 84px;
    display: flex;
    justify-content: center;
    gap: 10px;
}
.hero-dots button {
    width: 28px;
    height: 4px;
    border: none;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    padding: 0;
    transition: background .3s ease, width .3s ease;
}
.hero-dots button.active {
    width: 44px;
    background: #fff;
}
.hero-dots button:hover { background: rgba(255, 255, 255, 0.7); }

/* 首屏底部信任标识条 */
.hero-trust {
    position: relative;
    z-index: 2;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(7, 18, 38, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.hero-trust-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 16px;
    padding-bottom: 16px;
    flex-wrap: wrap;
}
.hero-trust-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: rgba(255, 255, 255, 0.92);
    flex: none;
}
.hero-trust-item {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.85);
    padding: 4px 16px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    transition: background .25s ease, border-color .25s ease;
}
.hero-trust-item:hover {
    background: rgba(46, 197, 255, 0.12);
    border-color: rgba(46, 197, 255, 0.4);
}
@media (max-width: 768px) {
    .hero-dots { bottom: 72px; }
    .hero-trust-inner { gap: 12px; }
    .hero-trust-item { font-size: 12px; padding: 3px 12px; }
}

/* ------------------------------------------------------------ preview banner */
.preview-banner {
    background: linear-gradient(90deg, #b45309, #d97706);
    color: #fff;
    text-align: center;
    font-size: 13.5px;
    padding: 8px 16px;
    letter-spacing: .2px;
}
.preview-banner strong { font-weight: 700; }

/* ------------------------------------------------------------ inner hero */
.page-hero {
    position: relative;
    color: #fff;
    padding: 76px 0 64px;
    text-align: center;
    overflow: hidden;
    background: var(--hero-grad);
    isolation: isolate;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(126, 170, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(126, 170, 255, 0.08) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 90% 120% at 50% 0%, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse 90% 120% at 50% 0%, #000 30%, transparent 75%);
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(640px 320px at 82% 0%, rgba(46, 197, 255, 0.26), transparent 65%),
        radial-gradient(720px 380px at 12% 100%, rgba(26, 86, 219, 0.32), transparent 60%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .overline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 14px;
}
.page-hero .overline::before,
.page-hero .overline::after {
    content: "";
    width: 32px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan));
}
.page-hero .overline::after {
    background: linear-gradient(90deg, var(--cyan), transparent);
}
.page-hero h1 {
    font-size: clamp(28px, 3.6vw, 40px);
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.page-hero .breadcrumb {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}
.page-hero .breadcrumb li { display: inline; }
.page-hero .breadcrumb a { color: rgba(255, 255, 255, 0.72); }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb .sep { opacity: .5; padding: 0 2px; }

/* ------------------------------------------------------------------- grids */
.grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(3, 1fr);
}
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ------------------------------------------------------------------ cards */
.card {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    opacity: 0;
    transition: opacity .25s ease;
    z-index: 2;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lift);
    border-color: transparent;
}
.card:hover::before { opacity: 1; }

.card .thumb {
    aspect-ratio: 16/10;
    background: var(--bg-soft);
    overflow: hidden;
}
.card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.card:hover .thumb img { transform: scale(1.04); }

/* 无图时的渐变 + 图标占位 */
.thumb-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0e2a5c 0%, #1a56db 58%, #2e7cf6 100%);
    position: relative;
}
.thumb-fallback::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 32px 32px;
}
.thumb-fallback::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(240px 140px at 78% 20%, rgba(46, 197, 255, 0.4), transparent 65%);
}
.thumb-fallback .icon {
    position: relative;
    z-index: 1;
    width: 54px;
    height: 54px;
    stroke-width: 1.3;
    color: rgba(255, 255, 255, 0.92);
}
/* 占位卡上的分类小标（左上角） */
.thumb-tag {
    position: absolute;
    z-index: 1;
    top: 14px;
    left: 14px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #fff;
    background: rgba(255, 255, 255, 0.26);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 999px;
    padding: 3px 12px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.card .body { padding: 24px; }
.card .meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 10px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}
.card .meta .chip {
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 2px 12px;
    font-size: 12px;
    font-weight: 500;
}
.card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.card h3 a { color: var(--ink); transition: color .2s ease; }
.card h3 a:hover { color: var(--primary); }
.card .summary {
    font-size: 14px;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --------------------------------------------------------------- buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
    box-shadow: 0 6px 18px rgba(26, 86, 219, 0.28);
}
.btn:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(26, 86, 219, 0.36);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid rgba(26, 86, 219, 0.4);
    box-shadow: none;
}
.btn-outline:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: none;
}
.btn-light {
    background: #fff;
    color: var(--navy-800);
    box-shadow: 0 6px 18px rgba(7, 18, 38, 0.25);
}
.btn-light:hover {
    background: #eaf2ff;
    color: var(--navy-900);
    box-shadow: 0 10px 24px rgba(7, 18, 38, 0.3);
}
.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: none;
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
    box-shadow: none;
}
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* 文字链（带箭头） */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 500;
    font-size: 15px;
}
.link-arrow .icon { width: 16px; height: 16px; transition: transform .2s ease; }
.link-arrow:hover { color: var(--primary-dark); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ---------------------------------------------------------------- cta band */
.cta-band {
    position: relative;
    color: #fff;
    padding: 88px 0;
    overflow: hidden;
    background: var(--hero-grad);
    isolation: isolate;
}
.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(126, 170, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(126, 170, 255, 0.08) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 80% 120% at 50% 50%, #000 30%, transparent 78%);
    mask-image: radial-gradient(ellipse 80% 120% at 50% 50%, #000 30%, transparent 78%);
}
.cta-band::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(560px 320px at 88% 20%, rgba(46, 197, 255, 0.3), transparent 65%),
        radial-gradient(680px 360px at 8% 90%, rgba(26, 86, 219, 0.35), transparent 60%);
}
.cta-band .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); color: #fff; margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, 0.82); font-size: 16px; }
.cta-band .cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.cta-band .cta-phone .icon { width: 20px; height: 20px; color: var(--cyan); }
.cta-band .cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ------------------------------------------------------------- content area */
.content-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
}

.prose { font-size: 16px; }
.prose h2, .prose h3 { color: var(--ink); margin: 28px 0 14px; }
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { padding-left: 24px; margin-bottom: 16px; list-style: disc; }
.prose img { border-radius: var(--radius); margin: 16px 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--primary-dark); }

/* 详情页小节标题：左侧渐变竖条 */
.detail-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    margin: 36px 0 18px;
}
.detail-section-title::before {
    content: "";
    width: 5px;
    height: 22px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--primary), var(--cyan));
    flex: none;
}

.detail-head { margin-bottom: 28px; }
.detail-head h1 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 14px;
}
.detail-head .meta {
    color: var(--muted);
    font-size: 14px;
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    align-items: center;
}
.detail-head .meta span { display: inline-flex; align-items: center; gap: 6px; }
.detail-head .meta .icon { width: 15px; height: 15px; color: var(--primary); }
.detail-head .meta .chip {
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 3px 14px;
    font-size: 13px;
    font-weight: 500;
}
.detail-actions { margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }
.detail-cover {
    border-radius: var(--radius);
    margin-bottom: 36px;
    width: 100%;
    box-shadow: var(--shadow);
}
.detail-summary {
    font-size: 16px;
    color: var(--muted);
    background: var(--bg-soft);
    border-left: 3px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 18px 22px;
    margin-bottom: 24px;
}

/* 团队成员详情 */
.member-head { text-align: center; }
.member-avatar {
    width: 148px;
    height: 148px;
    margin: 0 auto 24px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #0e2a5c 0%, #1a56db 58%, #2e7cf6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid #fff;
    box-shadow: 0 10px 30px rgba(13, 42, 95, 0.18);
}
.member-avatar img { width: 100%; height: 100%; object-fit: cover; }
.member-avatar .icon { width: 56px; height: 56px; stroke-width: 1.3; color: rgba(255, 255, 255, 0.92); }
.member-head .meta { justify-content: center; }
.member-bio { max-width: 720px; margin: 0 auto; }

.sidebar .widget {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 28px;
}
.widget h3 {
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 8px;
    position: relative;
}
.widget h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 36px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
}
.widget .item {
    padding: 14px 0;
    border-bottom: 1px dashed var(--line);
}
.widget .item:last-child { border-bottom: none; padding-bottom: 0; }
.widget .item:first-of-type { padding-top: 8px; }
.widget .item a {
    color: var(--text);
    display: block;
    font-size: 14px;
    line-height: 1.6;
    transition: color .2s ease;
}
.widget .item a:hover { color: var(--primary); }
.widget .item .date { font-size: 12px; color: var(--muted); display: block; margin-top: 2px; }

.plain-list li {
    margin-bottom: 12px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.plain-list .icon { width: 16px; height: 16px; margin-top: 4px; color: var(--primary); }

/* ------------------------------------------------------------------ tables */
.job-list .job-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 28px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--bg);
    transition: border-color .2s ease, box-shadow .25s ease, transform .25s ease;
}
.job-list .job-item:hover {
    border-color: rgba(26, 86, 219, 0.35);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.job-list .job-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.job-list .job-info h3 a { color: var(--ink); }
.job-list .job-info h3 a:hover { color: var(--primary); }
.job-list .job-info .tags { display: flex; gap: 10px; flex-wrap: wrap; }

.tag {
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 500;
}

.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-bar .tag {
    padding: 8px 22px;
    font-size: 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    color: var(--text);
    cursor: pointer;
    transition: all .2s ease;
}
.filter-bar .tag:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.filter-bar .tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(26, 86, 219, 0.3);
}

/* ----------------------------------------------------------------- forms */
.form-head { margin-bottom: 28px; }
.form-head h2 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.form-head p { color: var(--muted); }

.form-row { margin-bottom: 20px; }
.form-row label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--ink);
    font-size: 14px;
}
.form-row input, .form-row textarea, .form-row select {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    color: var(--ink);
    background: var(--bg);
    transition: border-color .2s ease, box-shadow .2s ease;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.14);
}
.form-row .errorlist { color: #d64545; font-size: 13px; margin-top: 6px; list-style: none; }

/* ----------------------------------------------------------------- pagination */
.pagination { display: flex; gap: 10px; justify-content: center; align-items: center; margin-top: 48px; }
.pagination a, .pagination span {
    padding: 9px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    background: var(--bg);
    transition: all .2s ease;
}
.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 6px 16px rgba(26, 86, 219, 0.3);
}

/* ----------------------------------------------------------------- footer */
.site-footer {
    background: var(--navy-950);
    color: #94a1b8;
    position: relative;
}
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 5%, var(--primary) 35%, var(--cyan) 65%, transparent 95%);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 48px;
    padding: 64px 0 48px;
}
.footer-brand .logo-text { color: #fff; font-size: 20px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; max-width: 320px; }
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
}
.footer-col p { font-size: 14px; }
.footer-col a { color: #94a1b8; transition: color .2s ease; }
.footer-col a:hover { color: #fff; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col .plain-list .icon { color: var(--cyan); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.footer-bottom .icp a { color: #94a1b8; }
.footer-bottom .icp a:hover { color: #fff; }
.footer-bottom .dot { opacity: .4; }

/* --------------------------------------------------------------- back to top */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 28px;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--navy-900);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all .3s ease;
    z-index: 90;
    box-shadow: var(--shadow);
}
.back-to-top .icon { width: 20px; height: 20px; }
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--primary);
    border-color: transparent;
}

/* -------------------------------------------------------------------- 404 */
.error-page {
    min-height: 52vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 0;
}
.error-code {
    font-size: clamp(80px, 14vw, 140px);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.error-page p { margin: 20px 0 36px; color: var(--muted); font-size: 16px; }

/* ------------------------------------------------------------ reveal 动画 */
html.js .reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s ease, transform .7s ease;
}
html.js .reveal.in {
    opacity: 1;
    transform: none;
}
html.js .grid .card:nth-child(2) { transition-delay: .08s; }
html.js .grid .card:nth-child(3) { transition-delay: .16s; }
html.js .grid .card:nth-child(4) { transition-delay: .24s; }
html.js .grid .card:nth-child(5) { transition-delay: .08s; }
html.js .grid .card:nth-child(6) { transition-delay: .16s; }
html.js .grid .card:nth-child(7) { transition-delay: .24s; }
html.js .grid .card:nth-child(8) { transition-delay: .32s; }

/* --------------------------------------------------------------- responsive */
@media (max-width: 1080px) {
    .nav-link { padding: 26px 12px; font-size: 14px; }
}

@media (max-width: 992px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
    .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .feature-grid, .steps { grid-template-columns: repeat(2, 1fr); }
    .steps::before { display: none; }
    .content-layout { grid-template-columns: 1fr; }
    .topbar .topbar-slogan { display: none; }
}

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section-head { margin-bottom: 36px; }
    .stats-inner { grid-template-columns: repeat(3, 1fr); }
    .stat-item + .stat-item::before { display: none; }
    .stat-value { font-size: 36px; }
    .stat-unit { font-size: 22px; }

    .header-inner { height: 64px; }
    .nav-toggle { display: block; }
    .header-cta { display: none; }
    .header-search { width: 36px; height: 36px; }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
    }
    .main-nav.open { max-height: 800px; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0; }
    .nav-link { padding: 14px 24px; }
    .nav-link::after { display: none; }
    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        box-shadow: none;
        background: var(--bg-soft);
        border-radius: 0;
    }

    .hero-content { padding: 72px 0; }
    .hero-actions .btn { width: 100%; text-align: center; }
    .hero-dots { left: 0; right: 0; }

    .cta-band { padding: 64px 0; }
    .cta-band .container { flex-direction: column; align-items: flex-start; }
    .cta-band .cta-actions .btn { width: 100%; text-align: center; }

    .footer-grid { grid-template-columns: 1fr; gap: 36px; padding: 48px 0 36px; }
    .job-list .job-item { padding: 20px; }
}

@media (max-width: 560px) {
    .grid, .grid.cols-2, .grid.cols-4 { grid-template-columns: 1fr; }
    .feature-grid, .steps { grid-template-columns: 1fr; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    .topbar .topbar-left { gap: 14px; }
    .topbar .topbar-left .topbar-mail { display: none; }
}

/* ------------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    html.js .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero .slide { transition: none; }
    .card, .btn, .nav-link::after, .back-to-top { transition: none; }
}

/* ------------------------------------------------------- 打印：入场元素强制可见 */
@media print {
    html.js .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .site-header, .back-to-top, .hero-dots, .hero-trust { position: static; }
}

/* ------------------------------------------------------- 详情页：产品参数表 */
.spec-tables {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin: 18px 0 8px;
}
.spec-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg);
}
.spec-table caption {
    caption-side: top;
    text-align: left;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--ink);
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
}
.spec-table tbody th,
.spec-table tbody td {
    padding: 11px 16px;
    font-size: 14px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
}
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td { border-bottom: none; }
.spec-table tbody tr:hover th,
.spec-table tbody tr:hover td { background: var(--bg-soft); }
.spec-table tbody th {
    width: 40%;
    color: var(--muted);
    font-weight: 500;
}
.spec-table tbody td { color: var(--ink); font-weight: 500; }

/* ------------------------------------------------------- 详情页：案例 KPI 数据条 */
.kpi-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
    margin: 22px 0;
    padding: 26px 18px;
    border-radius: var(--radius);
    background: var(--hero-grad);
    box-shadow: var(--shadow);
}
.kpi-item { text-align: center; }
.kpi-value {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
    font-variant-numeric: tabular-nums;
    background: linear-gradient(90deg, #fff, #9fd4ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.kpi-label {
    margin-top: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, .78);
}

/* ------------------------------------------------------- 详情页：多图画廊 */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 20px 0;
}
.gallery-item { margin: 0; }
.gallery-link {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    line-height: 0;
}
.gallery-link img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform .35s ease;
}
.gallery-link:hover img { transform: scale(1.05); }
.gallery-item figcaption {
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--muted);
    text-align: center;
}
@media (max-width: 760px) {
    .gallery { grid-template-columns: repeat(2, 1fr); }
}

/* 轻量灯箱 */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vh 4vw;
    background: rgba(7, 18, 38, .86);
    backdrop-filter: blur(4px);
    cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-sm);
    box-shadow: 0 24px 64px rgba(0, 0, 0, .5);
}
.lightbox-close {
    position: absolute;
    top: 18px;
    right: 22px;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
}
.lightbox-close:hover { background: rgba(255, 255, 255, .28); }

/* ------------------------------------------------------- 详情页：附件下载列表 */
.attach-list {
    list-style: none;
    margin: 14px 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.attach-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--line);
    transition: background .15s ease;
}
.attach-list li:last-child { border-bottom: none; }
.attach-list li:hover { background: var(--primary-soft); }
.attach-list li .icon { flex: none; color: var(--primary); }
.attach-list li a {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.attach-meta { flex: none; font-size: 12.5px; color: var(--muted); }

/* ------------------------------------------------------- 关于页：联系我们区块 */
.contact-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 32px;
    align-items: stretch;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
a.contact-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 10px 28px rgba(26, 86, 219, .12);
}
.ci-icon {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    display: grid;
    place-items: center;
}
.ci-icon .icon { width: 22px; height: 22px; }
.ci-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ci-label { font-size: 13px; color: var(--text); letter-spacing: .02em; }
.ci-value { font-size: 16px; color: var(--ink); font-weight: 600; overflow-wrap: anywhere; word-break: normal; }

.contact-map {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-map a { display: block; width: 100%; height: 100%; color: inherit; }
.contact-map img {
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
    display: block;
    transition: transform .35s ease;
}
.contact-map a:hover img { transform: scale(1.03); }
.map-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 40px 24px;
    color: var(--muted);
    text-align: center;
    background:
        radial-gradient(120% 80% at 50% 0%, rgba(26, 86, 219, .08), transparent 60%),
        var(--bg-soft);
    overflow: hidden;
}
/* 地图网格底纹：让占位看起来像一张抽象地图，而不是空白 */
.map-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(26, 86, 219, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 86, 219, .08) 1px, transparent 1px);
    background-size: 32px 32px;
    -webkit-mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 72%);
    mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 72%);
    pointer-events: none;
}
.map-pin {
    position: relative;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #fff;
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(26, 86, 219, .22);
    z-index: 1;
}
.map-pin .icon { width: 28px; height: 28px; }
.map-pin-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--primary);
    opacity: .35;
    animation: mapPulse 2.2s ease-out infinite;
    z-index: -1;
}
@keyframes mapPulse {
    0% { transform: scale(1); opacity: .35; }
    70% { transform: scale(1.9); opacity: 0; }
    100% { transform: scale(1.9); opacity: 0; }
}
.map-addr {
    position: relative;
    z-index: 1;
    max-width: 360px;
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
    line-height: 1.6;
}
@media (prefers-reduced-motion: reduce) {
    .map-pin-pulse { animation: none; }
}
.map-hint {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(15, 30, 53, .82);
    color: #fff;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
@media (max-width: 900px) {
    .contact-wrap { grid-template-columns: 1fr; }
    .contact-map, .contact-map img { min-height: 240px; }
}

/* ------------------------------------------------------- 无障碍：跳转链接 */
.skip-link {
    position: absolute;
    left: 12px;
    top: -48px;
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    z-index: 1000;
    transition: top .2s ease;
}
.skip-link:focus { top: 0; color: #fff; }

/* ------------------------------------------------------- 站内搜索 */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}
.search-bar input[type="search"] {
    flex: 1;
    height: 48px;
    padding: 0 16px;
    font-size: 15px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
    -webkit-appearance: none;
    appearance: none;
}
.search-bar input[type="search"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, .12);
}
.search-bar .btn { height: 48px; padding: 0 28px; white-space: nowrap; }

.search-summary { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.search-summary strong { color: var(--ink); font-weight: 600; }

.search-results { display: flex; flex-direction: column; gap: 16px; }
.search-item {
    position: relative;
    padding: 22px 24px 22px 28px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.search-item::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--cyan));
    border-radius: var(--radius) 0 0 var(--radius);
    opacity: 0;
    transition: opacity .2s ease;
}
.search-item:hover {
    border-color: rgba(26, 86, 219, .35);
    box-shadow: 0 10px 28px rgba(15, 30, 53, .08);
    transform: translateY(-2px);
}
.search-item:hover::before { opacity: 1; }
.search-type { display: inline-block; margin-bottom: 8px; }
.search-title {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
    transition: color .2s ease;
}
.search-title:hover { color: var(--primary); }
.search-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* 搜索关键词高亮 */
mark {
    background: linear-gradient(180deg, transparent 55%, rgba(46, 197, 255, .35) 55%);
    color: inherit;
    padding: 0 1px;
    border-radius: 2px;
}
@media (prefers-color-scheme: dark) {
    mark { background: rgba(46, 197, 255, .28); }
}

/* 搜索结果分页 */
.pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 36px;
}
.pager a {
    display: inline-flex;
    align-items: center;
    padding: 9px 20px;
    font-size: 14px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    transition: all .2s ease;
}
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.pager-info { font-size: 14px; color: var(--muted); }

/* 前台空状态（搜索无结果等） */
.empty-state {
    text-align: center;
    padding: 56px 24px;
    color: var(--muted);
}
.empty-state .t {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
}
.empty-state p { font-size: 14px; line-height: 1.7; }
.empty-state a { font-weight: 500; }

/* 列表空状态（卡片网格内） */
.list-empty {
    text-align: center;
    padding: 64px 24px;
    color: var(--muted);
}
.list-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-soft);
    color: var(--muted);
}
.list-empty-icon .icon { width: 30px; height: 30px; stroke-width: 1.4; }
.list-empty-text { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.list-empty-hint { font-size: 13.5px; color: var(--muted); }

@media (max-width: 600px) {
    .search-bar { flex-direction: column; }
    .search-bar .btn { width: 100%; }
    .search-item { padding: 18px 18px 18px 22px; }
}

/* ------------------------------------------------------- 详情页分享栏 */
.share-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 32px 0 8px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
    position: relative;
}
.share-label {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: .04em;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-soft);
    color: var(--muted);
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 15px;
    transition: all .18s ease;
}
.share-btn:hover { color: #fff; transform: translateY(-2px); }
.share-weibo:hover { background: #e6162d; }
.share-mail:hover { background: var(--primary); }
.share-copy:hover { background: var(--ink); }
.share-toast {
    position: absolute;
    left: 0;
    bottom: calc(100% + 8px);
    background: var(--ink);
    color: #fff;
    font-size: 13px;
    padding: 7px 14px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity .2s ease, transform .2s ease;
    pointer-events: none;
}
.share-toast.show { opacity: 1; transform: translateY(0); }
.share-toast::after {
    content: "";
    position: absolute;
    top: 100%; left: 20px;
    border: 5px solid transparent;
    border-top-color: var(--ink);
}

/* ------------------------------------------------------- 详情翻页（上一篇/下一篇） */
.prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}
.pn-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--ink);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    min-height: 72px;
}
a.pn-item:hover {
    border-color: rgba(26, 86, 219, .35);
    box-shadow: 0 8px 22px rgba(15, 30, 53, .07);
    transform: translateY(-2px);
    color: var(--primary);
}
.pn-next { text-align: right; align-items: flex-end; }
.pn-label { font-size: 13px; color: var(--muted); }
.pn-title {
    font-size: 14.5px;
    font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pn-item.is-disabled {
    border-style: dashed;
    background: var(--bg-soft);
    cursor: default;
}
@media (max-width: 600px) {
    .prev-next { grid-template-columns: 1fr; }
    .pn-next { text-align: left; align-items: flex-start; }
}