/* ==========================================================================
   HoinWare 门户网站 - 全站样式
   设计基调：深色科技蓝 + 磨砂玻璃 + 商务线性图标
   ========================================================================== */

:root {
    --navy-900: #001a3a;
    --navy-800: #04264f;
    --blue-700: #004b9e;
    --blue-600: #0066cc;
    --blue-500: #1a8cff;
    --accent: #ff7a1a;
    --ink: #16263f;
    --text: #33465e;
    --muted: #6b7f96;
    --bg: #f4f7fb;
    --card: #ffffff;
    --line: #e2eaf3;
    --shadow-sm: 0 4px 16px rgba(5, 44, 96, .06);
    --shadow: 0 14px 36px rgba(5, 44, 96, .10);
    --shadow-lg: 0 26px 64px rgba(5, 44, 96, .16);
    --glass: rgba(255, 255, 255, .96);     /* 纯白磨砂（顶部导航等玻璃面板用） */
    --ring: rgba(26, 140, 255, .32);
    --radius: 12px;
    --radius-lg: 18px;
    --radius-pill: 999px;
    --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-600); text-decoration: none; transition: color .2s; }
a:hover { color: var(--blue-500); }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.35; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

a:focus:not(:focus-visible), button:focus:not(:focus-visible),
input:focus:not(:focus-visible), select:focus:not(:focus-visible), textarea:focus:not(:focus-visible) { outline: none; }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 2px; }

button { cursor: pointer; font: inherit; }
input[type="checkbox"], input[type="radio"] { cursor: default; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- 图标 ---------- */

.icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- 按钮 ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .2s, box-shadow .25s, background .25s, color .25s;
    line-height: 1.4;
}

.btn .icon { width: 18px; height: 18px; }

.btn-primary {
    background: linear-gradient(135deg, #1a8cff, #0066cc 60%, #004b9e);
    color: #fff;
    box-shadow: 0 10px 22px rgba(0, 102, 204, .28);
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    background: linear-gradient(135deg, #38a3ff, #0f7be8 60%, #0e63c9);
    box-shadow: 0 14px 30px rgba(0, 102, 204, .38);
}

.btn-light {
    background: #fff;
    color: var(--navy-800);
    box-shadow: 0 10px 24px rgba(0, 10, 30, .18);
}

.btn-light:hover { color: var(--blue-700); transform: translateY(-2px); }

.btn-outline {
    background: #fff;
    color: var(--blue-700);
    border-color: #cfdff2;
}

.btn-outline:hover { background: #f2f8ff; color: var(--blue-600); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.btn-header { background: #fff; color: var(--navy-800); box-shadow: 0 6px 18px rgba(0, 40, 90, .18); padding: 9px 18px; }
.btn-header:hover { color: var(--blue-600); transform: translateY(-1px); }

.btn-lg { padding: 13px 28px; font-size: 16px; }

/* ---------- 顶部导航 ---------- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 120;
    /* 顶部即保持「纯白磨砂玻璃」样式（与下滑后的观感一致，不再随滚动切换） */
    background: var(--glass);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    backdrop-filter: blur(18px) saturate(1.2);
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 6px 24px rgba(5, 44, 96, .08);
    transition: background .3s, box-shadow .3s, color .3s;
}

.header-inner { display: flex; align-items: center; gap: 26px; height: var(--header-h); }

/* 品牌标志：蓝色圆角底块（去掉 H 图形，文字整体放进块内） */
.brand {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px 9px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-700) 100%);
    color: #fff;
    box-shadow: 0 8px 22px rgba(0, 75, 158, .32);
}
.brand:hover { color: #fff; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: .4px; color: #fff; }
.brand-name sup { font-size: 42%; vertical-align: super; margin-left: 1px; }
.brand-sub { font-size: 11px; color: rgba(255, 255, 255, .78); letter-spacing: 2px; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }

.nav-link {
    position: relative;
    padding: 8px 14px;
    border-radius: 9px;
    color: inherit;
    opacity: .86;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover { opacity: 1; color: inherit; background: rgba(0, 102, 204, .08); }

.nav-link.active { opacity: 1; font-weight: 600; }

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2.5px;
    border-radius: 2px;
    background: linear-gradient(90deg, #1a8cff, #0066cc);
}

.header-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0 9px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
}

.nav-toggle span { display: block; height: 2px; border-radius: 2px; background: currentColor; transition: transform .25s, opacity .2s; }

.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页主视觉 ---------- */

.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #001a3a 0%, #003a75 52%, #0066cc 100%);
    color: #fff;
    padding: calc(var(--header-h) + 64px) 0 88px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 68% 18%, #000 0%, transparent 76%);
    mask-image: radial-gradient(ellipse at 68% 18%, #000 0%, transparent 76%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    width: 560px;
    height: 560px;
    right: -170px;
    top: -190px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 140, 255, .40), transparent 66%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .24);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    font-size: 13.5px;
    letter-spacing: .6px;
}

.hero-badge .icon { width: 16px; height: 16px; color: #7cc4ff; }

.hero-title { font-size: 44px; line-height: 1.28; color: #fff; margin: 22px 0 18px; letter-spacing: .5px; }

.hero-sub { font-size: 16.5px; color: rgba(255, 255, 255, .82); max-width: 560px; }

.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.hero-trust { display: flex; gap: 26px; margin-top: 38px; flex-wrap: wrap; color: rgba(255, 255, 255, .75); font-size: 13.5px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; }
.hero-trust .icon { width: 17px; height: 17px; color: #7cc4ff; }

.hero-visual { position: relative; }

.hero-frame {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 10px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .30);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    backdrop-filter: blur(14px) saturate(1.4);
    box-shadow: 0 30px 70px rgba(0, 10, 30, .45);
}

.hero-shot { border-radius: 12px; overflow: hidden; background: #0d2b52; }
.hero-shot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* ---------- 内页页头 ---------- */

.page-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #001a3a, #003a75 60%, #0057ab);
    color: #fff;
    padding: calc(var(--header-h) + 54px) 0 58px;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 76% 0%, #000 0%, transparent 78%);
    mask-image: radial-gradient(ellipse at 76% 0%, #000 0%, transparent 78%);
    pointer-events: none;
}

.page-hero .container { position: relative; z-index: 2; }

.page-crumb { display: flex; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .62); margin-bottom: 16px; }
.page-crumb a { color: rgba(255, 255, 255, .78); }
.page-crumb a:hover { color: #fff; }

.page-title { font-size: 34px; color: #fff; margin-bottom: 12px; letter-spacing: .4px; }
.page-sub { color: rgba(255, 255, 255, .78); max-width: 760px; font-size: 15.5px; }

/* ---------- 区块 ---------- */

.section { padding: 76px 0; }
.section.alt { background: #fff; }

.section-head { max-width: 780px; margin: 0 auto 44px; text-align: center; }
.sec-title { font-size: 30px; letter-spacing: .3px; }
.sec-label { display: block; margin-top: 12px; color: var(--blue-600); font-size: 14px; font-weight: 600; letter-spacing: 2px; }
.sec-desc { margin-top: 14px; color: var(--muted); }

.section-bar { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 38px; }
.section-bar .sec-title { margin-bottom: 6px; }
.section-bar .sec-label { margin-top: 8px; text-align: left; }

/* ---------- 通用网格 ---------- */

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- 产品卡片 ---------- */

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

.product-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
}

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

.product-media { display: block; overflow: hidden; background: #e8f1fb; }

.product-media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    filter: saturate(1.05) contrast(1.02);
    transition: transform .45s, filter .3s;
}

.product-card:hover .product-media img { transform: scale(1.04); filter: saturate(1.14) contrast(1.05); }

.product-body { display: flex; flex-direction: column; gap: 12px; padding: 24px 24px 26px; flex: 1; }

.product-name { font-size: 20px; }
.product-tagline { color: var(--blue-600); font-weight: 600; font-size: 14px; }

.product-feature-dots { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 13.5px; }
.product-feature-dots li { display: flex; align-items: center; gap: 7px; }
.product-feature-dots li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-500); }

.product-body .link-more { margin-top: auto; }

.link-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: var(--blue-600); }
.link-more .icon { width: 16px; height: 16px; transition: transform .25s; }
.link-more:hover .icon { transform: translateX(4px); }

/* ---------- 优势卡片 ---------- */

.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.advantage-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
}

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

.advantage-icon, .feature-icon, .info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, #eaf4ff, #d8ebff);
    color: var(--blue-600);
}

/* 「为什么选择我们」卡片头图：等距低多边形小图（深蓝底，与产品/案例图风格一致） */
.advantage-icon {
    width: 72px;
    height: 72px;
    border-radius: 14px;
    overflow: hidden;
    background: #0a1730;
    box-shadow: 0 8px 20px rgba(0, 26, 58, .28);
    margin-bottom: 16px;
}
.advantage-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.advantage-icon .icon, .feature-icon .icon { width: 24px; height: 24px; }

.advantage-card h3 { font-size: 17px; margin-bottom: 8px; }
.advantage-card p { color: var(--muted); font-size: 14px; }

/* ---------- 案例 / 资讯卡片 ---------- */

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

.case-card, .news-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
}

.case-card:hover, .news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

.case-media, .news-media { display: block; overflow: hidden; background: #e8f1fb; }
.case-media img, .news-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .45s; }
.case-card:hover .case-media img, .news-card:hover .news-media img { transform: scale(1.04); }

.case-body, .news-body { padding: 22px 22px 24px; }

.case-tags { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.case-title { font-size: 16.5px; margin-bottom: 8px; }
.case-summary { color: var(--muted); font-size: 13.5px; }

.news-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; font-size: 12.5px; color: var(--muted); }

.news-title {
    font-size: 16.5px;
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card a.news-title-link { color: var(--ink); }
.news-card a.news-title-link:hover { color: var(--blue-600); }

.news-summary {
    color: var(--muted);
    font-size: 13.5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 标签 ---------- */

.chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 500;
    background: #eef5ff;
    color: var(--blue-700);
    border: 1px solid #d7e7fb;
}

.chip.orange { background: #fff3ea; color: #c25a10; border-color: #ffddc2; }
.chip.gray { background: #f1f5fa; color: var(--muted); border-color: #e4ebf3; }

.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- CTA 区块 ---------- */

.cta-band { padding: 0 0 84px; }

.cta-inner {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    border-radius: 22px;
    background: linear-gradient(135deg, #001a3a, #004b9e 70%, #0066cc);
    color: #fff;
    padding: 56px 60px;
    box-shadow: var(--shadow-lg);
}

.cta-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(ellipse at 82% 10%, #000 0%, transparent 72%);
    mask-image: radial-gradient(ellipse at 82% 10%, #000 0%, transparent 72%);
    pointer-events: none;
}

.cta-copy, .cta-actions { position: relative; z-index: 2; }
.cta-title { font-size: 26px; color: #fff; margin-bottom: 10px; }
.cta-sub { color: rgba(255, 255, 255, .78); max-width: 540px; font-size: 14.5px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 产品中心页（交替行） ---------- */

.product-rows { padding: 34px 0 76px; }

.product-row { display: grid; grid-template-columns: 1.02fr .98fr; gap: 52px; align-items: center; padding: 46px 0; }
.product-row + .product-row { border-top: 1px solid var(--line); }
.product-row.reverse .product-row-media { order: 2; }

.product-row-media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 4px solid #fff;
    box-shadow: var(--shadow);
    transition: transform .35s, box-shadow .35s;
}

.product-row-media:hover img { transform: scale(1.02); box-shadow: var(--shadow-lg); }

.product-row-body h2 { font-size: 24px; margin-bottom: 10px; }
.product-row-tag { color: var(--blue-600); font-weight: 600; font-size: 14.5px; margin-bottom: 14px; }
.product-row-body .summary { color: var(--muted); }

.product-row-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px; margin: 22px 0 26px; }
.product-row-features li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; color: var(--text); }
.product-row-features .icon { width: 18px; height: 18px; color: var(--blue-500); margin-top: 3px; }

/* ---------- 产品详情页 ---------- */

.product-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #001a3a 0%, #003a75 55%, #0066cc 100%);
    color: #fff;
    padding: calc(var(--header-h) + 58px) 0 76px;
}

.product-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 70% 16%, #000 0%, transparent 76%);
    mask-image: radial-gradient(ellipse at 70% 16%, #000 0%, transparent 76%);
    pointer-events: none;
}

.product-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 52px;
    align-items: center;
}

.product-hero h1 { font-size: 38px; color: #fff; margin: 6px 0 14px; letter-spacing: .4px; }
.product-hero .tagline { color: #7cc4ff; font-weight: 600; font-size: 15px; margin-bottom: 14px; }
.product-hero .summary { color: rgba(255, 255, 255, .82); max-width: 560px; }
.product-hero .hero-actions { margin-top: 28px; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.feature-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
}

.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-icon { margin-bottom: 16px; }
.feature-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 13.5px; }

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

.deploy-card {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}

.deploy-card .icon { width: 22px; height: 22px; color: var(--blue-600); margin-top: 3px; }
.deploy-card h4 { font-size: 15px; margin-bottom: 4px; }
.deploy-card p { color: var(--muted); font-size: 13px; }

/* ---------- 富文本 ---------- */

.rich-text { color: var(--text); }

.rich-text h3 {
    font-size: 19px;
    margin: 28px 0 14px;
    padding-left: 14px;
    border-left: 4px solid var(--blue-500);
    line-height: 1.3;
}

.rich-text h3:first-child { margin-top: 0; }
.rich-text p { margin-bottom: 14px; }

.rich-text ul { margin: 0 0 18px; }
.rich-text ul li { position: relative; padding-left: 22px; margin-bottom: 9px; }

.rich-text ul li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 10px;
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: linear-gradient(135deg, #1a8cff, #0066cc);
}

/* ---------- 分页 ---------- */

.pagination { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 44px; flex-wrap: wrap; }

.page-link {
    min-width: 38px;
    height: 38px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: #fff;
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    transition: border-color .2s, color .2s, box-shadow .2s;
}

.page-link:hover { border-color: #bcd7f5; color: var(--blue-600); }

.page-link.active {
    background: linear-gradient(135deg, #1a8cff, #0066cc);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 18px rgba(0, 102, 204, .28);
}

.page-link.disabled { opacity: .45; pointer-events: none; }

/* ---------- 资讯详情 ---------- */

.article-wrap { max-width: 880px; margin: 0 auto; }

.article-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 46px 54px 52px;
}

.article-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    color: var(--muted);
    font-size: 13.5px;
    margin: 14px 0 26px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
}

.article-cover { margin-bottom: 30px; }
.article-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); }

.article-nav { display: flex; justify-content: space-between; gap: 18px; margin-top: 34px; font-size: 14px; }
.article-nav a { max-width: 46%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 关于我们 ---------- */

.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.about-grid img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-lg); border: 4px solid #fff; box-shadow: var(--shadow); }
.about-text p { margin-bottom: 16px; color: var(--text); }

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

.stat-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-num { font-size: 30px; font-weight: 700; color: var(--blue-700); line-height: 1.2; }
.stat-label { color: var(--muted); font-size: 13.5px; margin-top: 6px; }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm); }
.value-card h3 { font-size: 16.5px; margin: 14px 0 8px; }
.value-card p { color: var(--muted); font-size: 13.5px; }

/* ---------- 联系我们 ---------- */

.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: start; }

.contact-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 34px 32px;
}

.contact-panel h2 { font-size: 22px; margin-bottom: 8px; }
.contact-panel .panel-sub { color: var(--muted); font-size: 14px; margin-bottom: 10px; }

.info-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px 0; border-bottom: 1px dashed var(--line); }
.info-item:last-child { border-bottom: none; padding-bottom: 0; }
.info-icon { width: 42px; height: 42px; }
.info-icon .icon { width: 21px; height: 21px; }
.info-item h4 { font-size: 15px; margin-bottom: 2px; }
.info-item p { font-size: 14px; }
.info-item strong { color: var(--ink); font-weight: 700; }

.form-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.form-row label { font-size: 14px; font-weight: 600; color: var(--ink); }
.form-row label em { color: #e8463a; font-style: normal; margin-left: 2px; }

.form-row input, .form-row select, .form-row textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #d8e3f0;
    border-radius: 10px;
    background: #fbfdff;
    font: inherit;
    font-size: 14.5px;
    color: var(--ink);
    transition: border-color .2s, box-shadow .2s;
}

.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 4px var(--ring);
}

.form-row textarea { min-height: 118px; resize: vertical; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.field-error { color: #e8463a; font-size: 12.5px; }

.form-summary { background: #fdf1f0; border: 1px solid #f6c9c5; border-radius: 10px; padding: 14px 18px; margin-bottom: 20px; color: #b02a21; font-size: 13.5px; }
.form-summary ul { list-style: disc; padding-left: 18px; }
.form-summary li { margin: 2px 0; }

.form-alert { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: 12px; font-size: 14px; margin-bottom: 24px; }
.form-alert.success { background: #eefaf3; border: 1px solid #bfe9d1; color: #177a45; }
.form-alert .icon { color: #1dc981; width: 20px; height: 20px; margin-top: 2px; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- 404 / 错误页 ---------- */

.status-page { padding: calc(var(--header-h) + 96px) 0 120px; text-align: center; }
.status-code { font-size: 64px; font-weight: 800; color: var(--blue-700); line-height: 1.1; }
.status-page h1 { font-size: 26px; margin: 14px 0 10px; }
.status-page p { color: var(--muted); margin-bottom: 28px; }
.status-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */

.site-footer { background: #04182f; color: rgba(255, 255, 255, .72); }

.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 20px 44px; }

.footer-logo {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px 7px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-700) 100%);
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-logo sup { font-size: 42%; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .6); }

.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, .66); font-size: 13.5px; }
.footer-col a:hover { color: #7cc4ff; }

.footer-contact p { font-size: 13.5px; margin-bottom: 10px; }
.footer-contact strong { color: #fff; font-weight: 700; }
.footer-note { color: rgba(255, 255, 255, .5); }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: 13px; color: rgba(255, 255, 255, .5); }
/* 版权在左、备案信息（整体一组）靠右 */
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.icp-group { display: inline-flex; align-items: center; gap: 16px; }
.footer-bottom .icp { color: rgba(255, 255, 255, .55); transition: color .2s ease; }
.footer-bottom .icp:hover { color: #fff; }

/* ---------- 滚动显现（JS 不可用时直接展示） ---------- */

.js-mode .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.js-mode .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js-mode .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: .001s !important; transition-duration: .001s !important; }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
    .hero-inner, .product-hero-inner { grid-template-columns: 1fr; gap: 44px; }
    .hero-visual { max-width: 720px; }
    .product-row { grid-template-columns: 1fr; gap: 30px; }
    .product-row.reverse .product-row-media { order: 0; }
    .advantages-grid, .cases-grid, .news-grid, .features-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .deploy-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 34px; }
    .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        margin: 0;
        padding: 14px 18px 20px;
        display: none;
        background: var(--glass);
        -webkit-backdrop-filter: blur(16px) saturate(1.5);
        backdrop-filter: blur(16px) saturate(1.5);
        border-bottom: 1px solid rgba(255, 255, 255, .6);
        box-shadow: 0 24px 48px rgba(5, 44, 96, .16);
        color: var(--ink);
    }

    .site-header.nav-open .main-nav { display: flex; animation: slideDown .28s ease; }

    .nav-link { padding: 13px 14px; font-size: 16px; }
    .nav-link:hover { background: rgba(0, 102, 204, .07); }
    .nav-link.active::after { left: 14px; right: auto; width: 24px; }

    /* 移动端保留唯一的「预约演示」按钮（紧凑版） */
    .btn-header { padding: 8px 12px; font-size: 13.5px; }
    .nav-toggle { display: flex; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: none; }
}

@media (max-width: 820px) {
    .section { padding: 56px 0; }
    .sec-title { font-size: 24px; }
    .page-title { font-size: 27px; }
    .hero { padding: calc(var(--header-h) + 42px) 0 62px; }
    .hero-title { font-size: 31px; }
    .hero-sub { font-size: 15px; }
    .product-hero { padding: calc(var(--header-h) + 40px) 0 54px; }
    .product-hero h1 { font-size: 28px; }
    .products-grid, .advantages-grid, .cases-grid, .news-grid, .features-grid, .value-grid { grid-template-columns: 1fr; }
    .deploy-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2, .form-grid-2 { grid-template-columns: 1fr; }
    .product-row-features { grid-template-columns: 1fr; }
    .cta-inner { flex-direction: column; align-items: flex-start; padding: 40px 28px; }
    .cta-title { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; padding: 48px 20px 34px; }
    .article-card { padding: 30px 24px 36px; }
    .section-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
    .hero-trust { gap: 14px 22px; }
}