/*
 * 江苏和为警用器材制造有限公司官网 - "铁血护盾"主题样式
 * 设计语言：战术HUD + 军事工业质感
 * 颜色体系：藏青蓝 / 警戒红 / 金属银 / 战术灰
 */

:root {
    --color-navy: #1A365D;
    --color-navy-dark: #0F243F;
    --color-scarlet: #C53030;
    --color-amber: #FFB347;
    --color-steel: #A0AEC0;
    --color-slate: #2D3748;
    --color-bg: #0B1120;
    --color-panel: rgba(19, 26, 43, 0.85);
    --color-panel-light: rgba(34, 44, 70, 0.85);
    --color-line: rgba(255, 255, 255, 0.08);

    --font-heading: 'Microsoft YaHei', 'DIN Alternate', 'Bank Gothic', sans-serif;
    --font-body: 'Source Han Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;

    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 28px;

    --shadow-glow: 0 0 25px rgba(197, 48, 48, 0.35);
    --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.35);

    --transition-base: 0.35s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background: radial-gradient(circle at 20% 20%, rgba(26,54,93,0.25), transparent 45%),
                radial-gradient(circle at 80% 0%, rgba(197,48,48,0.2), transparent 40%),
                linear-gradient(135deg, #050912, #0C1424 60%, #111827);
    color: #E2E8F0;
    min-height: 100vh;
    line-height: 1.8;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(#ffffff05 1px, transparent 1px),
                      linear-gradient(90deg, #ffffff05 1px, transparent 1px);
    background-size: 160px 160px;
    pointer-events: none;
    opacity: 0.25;
    z-index: 1;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-sm);
}

a {
    color: var(--color-amber);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin: 0 0 var(--spacing-sm);
    color: #fff;
    letter-spacing: 0.02em;
}

p {
    margin: 0 0 1.2rem;
    color: #CBD5F5;
}

ul {
    padding-left: 1.2rem;
}

.container {
    width: min(1280px, 94vw);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0.8rem;
    border-radius: 999px;
    background: rgba(197, 48, 48, 0.12);
    color: var(--color-amber);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-sm {
    padding: 0.65rem 1.35rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(120deg, var(--color-scarlet), #F56565);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(197, 48, 48, 0.35);
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    background: transparent;
}

.btn-ghost:hover {
    border-color: var(--color-amber);
    color: var(--color-amber);
}

.global-header,
.tactical-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 12;
    backdrop-filter: blur(14px);
}

.topbar {
    background: linear-gradient(90deg, rgba(11, 17, 32, 0.9), rgba(26, 54, 93, 0.9));
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: var(--color-steel);
    font-size: 0.88rem;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.35rem 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.topbar-name {
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.topbar-tags {
    color: var(--color-steel);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.topbar-link {
    color: #E2E8F0;
}

.topbar-location {
    color: var(--color-steel);
}

.topbar .divider {
    color: rgba(255,255,255,0.4);
}

.nav-shell {
    background: rgba(5, 10, 20, 0.94);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
}

.nav-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 0;
}

.brand {
    display: block;
    min-width: 320px;
}

.brand-mark {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    line-height: 1.1;
}

.brand-cn {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.03em;
}

.brand-en {
    font-size: 0.82rem;
    color: var(--color-steel);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 1.35rem;
    border-radius: var(--radius-sm);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.main-nav {
    justify-self: stretch;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 1.35rem;
    align-items: center;
    margin: 0;
    padding: 0;
    justify-content: flex-end;
}

.nav-item {
    position: relative;
}

.nav-item.has-submenu > .nav-link::after {
    content: "▾";
    font-size: 0.7rem;
    opacity: 0.7;
}

.nav-link {
    color: #E2E8F0;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 0.55rem 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: 0.08em;
    position: relative;
}

.nav-link::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.15rem;
    width: 100%;
    height: 2px;
    background: var(--color-amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.nav-link:hover::before,
.nav-item.active .nav-link::before {
    transform: scaleX(1);
}

.nav-submenu {
    list-style: none;
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    min-width: 240px;
    margin: 0;
    padding: 0.8rem;
    background: rgba(11, 17, 32, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.nav-submenu::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
}

.nav-submenu a {
    display: block;
    padding: 0.45rem 0.6rem;
    color: var(--color-steel);
    font-size: 0.92rem;
    letter-spacing: 0.04em;
    border-radius: var(--radius-sm);
}

.nav-submenu a:hover {
    color: #fff;
    background: rgba(255,255,255,0.04);
}

.nav-item.open > .nav-submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

@media (min-width: 993px) {
    .nav-item:hover > .nav-submenu { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.hotline {
    text-align: right;
    font-size: 0.85rem;
    color: var(--color-steel);
}

.hotline strong {
    display: block;
    color: var(--color-amber);
    font-size: 1rem;
}

.main-content {
    padding-top: 40px;
}

.section {
    padding: var(--spacing-lg) 0;
    position: relative;
}

.section::before {
    content: "";
    position: absolute;
    inset: var(--spacing-sm);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    opacity: 0.2;
    pointer-events: none;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.section-title h2 {
    font-size: clamp(1.6rem, 2vw, 2.4rem);
}

.section-title p {
    max-width: 520px;
    margin: 0;
}

.tactical-hero {
    position: relative;
    padding: 6rem 0 5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
    align-items: center;
}

.hero-panel {
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.hero-panel h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.hero-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.hero-meta span {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--color-line);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.85rem;
}

.hero-visual {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-line);
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.85);
}

.hero-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,54,93,0.35), rgba(12,18,36,0.85));
}

.hero-overlay {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: rgba(11,17,32,0.65);
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(8px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
}

.stat-card {
    padding: 1.2rem;
    border-radius: var(--radius-md);
    background: var(--color-panel-light);
    border: 1px solid var(--color-line);
    text-align: center;
}

.stat-card strong {
    display: block;
    font-size: 2rem;
    color: var(--color-amber);
}

.hud-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.hud-card {
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hud-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.hud-card h3 {
    color: var(--color-amber);
}

.hud-card p {
    color: #E2E8F0;
}

.timeline {
    position: relative;
    margin-top: var(--spacing-md);
    padding-left: 2rem;
    border-left: 1px dashed rgba(255,255,255,0.2);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-md);
    padding-left: 1.2rem;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -1.55rem;
    top: 0.45rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-amber);
    background: #0B1120;
    box-shadow: 0 0 10px rgba(255, 179, 71, 0.5);
}

.timeline-item.active::before {
    background: var(--color-amber);
    transform: scale(1.2);
}

.timeline-item.active strong {
    color: var(--color-amber);
}

.timeline-item strong {
    display: inline-block;
    color: var(--color-steel);
    margin-bottom: 0.25rem;
}

.data-panel {
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-soft);
}

.data-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.data-panel li {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.data-panel li span {
    color: var(--color-steel);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
}

.spec-table th,
.spec-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.spec-table th {
    text-align: left;
    color: var(--color-amber);
    font-weight: 600;
}

.case-grid,
.news-grid,
.career-grid,
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.case-card,
.news-card,
.solution-card,
.career-card,
.contact-card {
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.case-card:hover,
.news-card:hover,
.solution-card:hover,
.career-card:hover,
.contact-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-amber);
}

.card-body {
    padding: var(--spacing-md);
}

.card-meta {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--color-steel);
    margin-bottom: 0.6rem;
}

.solution-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.solution-details ul {
    list-style: none;
    padding: 0;
}

.solution-details li {
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.global-map {
    height: 420px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-line);
    background: url('/assets/images/img_18_global_map.png') center/cover;
    position: relative;
}

.global-map::after {
    content: "全球安防部署";
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    background: rgba(0,0,0,0.55);
    letter-spacing: 0.2em;
    font-size: 0.8rem;
}

.radar-panel {
    position: relative;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-line);
    background: radial-gradient(circle, rgba(41, 171, 226, 0.25), rgba(11, 17, 32, 0.85));
    overflow: hidden;
}

.radar-grid {
    position: relative;
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.15);
    margin: 0 auto;
}

.radar-grid::before,
.radar-grid::after {
    content: "";
    position: absolute;
    inset: 15%;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
}

.radar-grid::after {
    inset: 35%;
}

.radar-sweep {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(rgba(197, 48, 48, 0.45), rgba(197, 48, 48, 0));
    animation: radarSweep 6s linear infinite;
    mix-blend-mode: screen;
}

.footer {
    background: #050812;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.footer h4 {
    color: var(--color-amber);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer ul {
    list-style: none;
    padding: 0;
}

.footer li {
    margin: 0.4rem 0;
}

.footer a {
    color: var(--color-steel);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    color: var(--color-steel);
    text-align: center;
    font-size: 0.85rem;
}

.detail-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-md);
}

.detail-sidebar {
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.case-detail-hero,
.news-detail-hero,
.subpage-hero {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-line);
    margin-bottom: var(--spacing-md);
}

.subpage-hero .overlay,
.case-detail-hero .overlay,
.news-detail-hero .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(5,12,24,0.9), rgba(0,0,0,0.1));
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

.floating-contact {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 9;
}

.floating-contact a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, #C53030, #F56565);
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: var(--shadow-glow);
}

.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: var(--spacing-sm);
}

.tab-nav button {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.tab-nav button.active {
    border-color: var(--color-amber);
    color: var(--color-amber);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.news-meta,
.case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--color-steel);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.contact-card h3 {
    color: var(--color-amber);
}

.contact-card address {
    font-style: normal;
    color: #E2E8F0;
}

.map-embed {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-line);
    height: 360px;
}

.table-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-sm);
}

.table-grid div {
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--color-amber);
    background: rgba(255,255,255,0.02);
}

@keyframes radarSweep {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (max-width: 1200px) {
    .nav-list { gap: 1rem; }
    .brand { min-width: 260px; }
}

@media (max-width: 1080px) {
    .header-actions { display: none; }
    .nav-inner { grid-template-columns: auto 1fr auto; }
}

@media (max-width: 992px) {
    .topbar-inner { flex-direction: column; align-items: flex-start; }
    .nav-inner { grid-template-columns: 1fr auto; gap: 0.75rem; }
    .brand { min-width: unset; }
    .nav-toggle { display: inline-flex; }

    .main-nav {
        position: absolute;
        left: 0;
        right: 0;
        top: calc(100% + 0.5rem);
        background: rgba(5,10,20,0.98);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: var(--radius-md);
        padding: 1.2rem;
        display: none;
        box-shadow: var(--shadow-soft);
    }

    .main-nav.open { display: block; }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .nav-item { width: 100%; }

    .nav-item.has-submenu > .nav-link::after {
        content: "▸";
        margin-left: auto;
    }

    .nav-submenu {
        position: relative;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        border: none;
        background: transparent;
        padding: 0.35rem 0 0.35rem 0.75rem;
        box-shadow: none;
        display: none;
    }

    .nav-item.open > .nav-submenu { display: block; }

    .nav-submenu::before { display: none; }

    .hero-grid,
    .solution-details,
    .detail-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section-title {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-meta span {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .floating-contact {
        right: 1rem;
        left: 1rem;
    }

    body::before {
        background-size: 90px 90px;
    }
}

@media (max-width: 576px) {
    .stats-grid,
    .hud-grid,
    .case-grid,
    .news-grid,
    .career-grid,
    .solution-grid {
        grid-template-columns: 1fr;
    }

    .section::before {
        inset: var(--spacing-xs);
    }
}