/* ============================================================
   Homepage (index.asp) 专用样式
   品牌色: 主色#003C96 | 辅助色#0094DD
   ============================================================ */

/* 通用工具 */
.bg-light-blue { background: #f4f8ff; }

/* ----------------------------------------------------------
   通用区块 Section
   ---------------------------------------------------------- */
.home-section {
    padding: 80px 0;
}

.home-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
    gap: 16px;
    flex-wrap: wrap;
}

.home-section-header--center {
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.home-section-title {
    font-size: 34px;
    font-weight: 800;
    color: #1a2340;
    margin: 0 0 10px;
    line-height: 1.2;
    position: relative;
    padding-bottom: 16px;
}

.home-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 4px;
    background: #0094DD;
    border-radius: 4px;
}

.home-section-header--center .home-section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.home-section-subtitle {
    font-size: 15px;
    color: #667080;
    margin: 0;
    line-height: 1.6;
    max-width: 560px;
}

.home-section-header--center .home-section-subtitle {
    text-align: center;
    max-width: 600px;
}

.home-section-link {
    color: #003C96;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.home-section-link:hover {
    color: #0094DD;
    text-decoration: none;
}

/* 辅助标签 */
.home-section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(0, 148, 221, 0.15);
    color: #0094DD;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

/* ----------------------------------------------------------
   首页 Banner + 透明漂浮头部
   ---------------------------------------------------------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.index-hero-stack {
    position: relative;
    width: 100%;
    height: 860px;
    min-height: 860px;
    max-height: 860px;
    overflow: hidden;
}

.index-hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background-color: #0c1a32;
    background-image: url('/images/indexbg.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    animation: indexHeroBgZoom 22s ease-in-out infinite alternate;
}

.index-hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(105deg, rgba(0, 20, 55, 0.72) 0%, rgba(0, 60, 150, 0.42) 48%, rgba(0, 148, 221, 0.18) 100%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, transparent 35%, rgba(0, 0, 0, 0.25) 100%);
    pointer-events: none;
}

@keyframes indexHeroBgZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.06); }
}

.index-hero-fx {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.index-hero-gridlines {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(0, 148, 221, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 148, 221, 0.12) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
}

.index-hero-scan {
    position: absolute;
    left: 0;
    right: 0;
    height: 120px;
    top: -120px;
    background: linear-gradient(180deg, transparent, rgba(0, 148, 221, 0.08), rgba(0, 148, 221, 0.22), transparent);
    animation: indexHeroScan 7s linear infinite;
}

@keyframes indexHeroScan {
    0% { top: -120px; opacity: 0; }
    8% { opacity: 1; }
    92% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.index-hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #0094DD;
    box-shadow: 0 0 12px #0094DD, 0 0 24px rgba(0, 148, 221, 0.5);
    animation: indexHeroParticle 6s ease-in-out infinite;
}

.index-hero-particle--1 { left: 12%; top: 28%; animation-delay: 0s; }
.index-hero-particle--2 { left: 78%; top: 62%; animation-delay: 2s; width: 6px; height: 6px; }
.index-hero-particle--3 { left: 55%; top: 18%; animation-delay: 3.5s; opacity: 0.7; }

@keyframes indexHeroParticle {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    50% { transform: translate(12px, -18px) scale(1.3); opacity: 1; }
}

.index-hero-inner {
    position: relative;
    z-index: 5;
    height: 100%;
    display: flex;
    align-items: center;
    padding-top: 108px;
    padding-bottom: 72px;
    box-sizing: border-box;
}

.index-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: center;
    width: 100%;
}

.index-hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    max-height: min(620px, calc(100vh - 200px));
}

.index-hero-visual-ring {
    position: absolute;
    width: min(84%, 480px);
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid rgba(0, 148, 221, 0.35);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    animation: indexHeroRingSpin 24s linear infinite;
}

.index-hero-visual-ring::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: rgba(0, 148, 221, 0.85);
    border-right-color: rgba(0, 60, 150, 0.5);
    animation: indexHeroRingSpin 8s linear infinite reverse;
}

@keyframes indexHeroRingSpin {
    to { transform: rotate(360deg); }
}

.index-hero-visual-glow {
    position: absolute;
    width: 70%;
    height: 55%;
    left: 50%;
    top: 55%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(0, 148, 221, 0.45) 0%, transparent 68%);
    filter: blur(28px);
    animation: indexHeroGlowPulse 4s ease-in-out infinite;
}

@keyframes indexHeroGlowPulse {
    0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.9; transform: translate(-50%, -50%) scale(1.08); }
}

.index-hero-machine {
    position: relative;
    z-index: 2;
    width: auto;
    max-width: min(100%, 620px);
    max-height: min(580px, calc(100vh - 220px));
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 24px 48px rgba(0, 30, 80, 0.45));
    animation: indexHeroFloat 5.5s ease-in-out infinite;
}

@keyframes indexHeroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.index-hero-copy {
    color: #fff;
    max-width: 560px;
}

.index-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px;
    padding: 8px 16px 8px 12px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.92);
    background: rgba(0, 148, 221, 0.15);
    border: 1px solid rgba(0, 148, 221, 0.45);
    border-radius: 999px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.index-hero-eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #0094DD;
    box-shadow: 0 0 10px #0094DD;
    animation: indexHeroDotBlink 2s ease-in-out infinite;
}

@keyframes indexHeroDotBlink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.index-hero-headline {
    margin: 0 0 22px;
    font-size: clamp(30px, 3.8vw, 50px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: #fff;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.index-hero-accent {
    display: inline;
    background: linear-gradient(90deg, #7dd3fc 0%, #0094DD 45%, #a5f3fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% auto;
    animation: indexHeroAccentShine 5s linear infinite;
}

@keyframes indexHeroAccentShine {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.index-hero-lead {
    margin: 0 0 28px;
    font-size: clamp(15px, 1.6vw, 18px);
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.88);
    max-width: 520px;
}

.index-hero-highlights {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.index-hero-highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(0, 148, 221, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    position: relative;
    overflow: hidden;
}

.index-hero-highlight::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #0094DD, #003C96);
}

.index-hero-highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    animation: indexHeroHighlightShimmer 4s ease-in-out infinite;
}

.index-hero-highlight:nth-child(2)::after {
    animation-delay: 2s;
}

@keyframes indexHeroHighlightShimmer {
    0%, 100% { left: -100%; }
    50% { left: 120%; }
}

.index-hero-highlight-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(0, 148, 221, 0.35), rgba(0, 60, 150, 0.5));
    color: #7dd3fc;
    position: relative;
    z-index: 1;
}

.index-hero-highlight-text {
    position: relative;
    z-index: 1;
    font-size: 16px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.92);
}

.index-hero-highlight-text strong {
    color: #7dd3fc;
    font-weight: 700;
}

.index-hero-anim {
    opacity: 0;
    animation: indexHeroReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.index-hero-anim[data-delay="1"] { animation-delay: 0.12s; }
.index-hero-anim[data-delay="2"] { animation-delay: 0.28s; }
.index-hero-anim[data-delay="3"] { animation-delay: 0.44s; }
.index-hero-anim[data-delay="4"] { animation-delay: 0.58s; }
.index-hero-anim[data-delay="5"] { animation-delay: 0.74s; }

.index-hero-anim[data-anim="visual"] {
    animation-name: indexHeroVisualIn;
    animation-duration: 1.05s;
    animation-delay: 0.05s;
}

@keyframes indexHeroReveal {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes indexHeroVisualIn {
    from {
        opacity: 0;
        transform: translateX(-36px) scale(0.94);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .index-hero-media,
    .index-hero-scan,
    .index-hero-particle,
    .index-hero-visual-ring,
    .index-hero-visual-glow,
    .index-hero-machine,
    .index-hero-accent,
    .index-hero-highlight::after,
    .index-hero-eyebrow-dot {
        animation: none;
    }

    .index-hero-anim {
        opacity: 1;
        animation: none;
        transform: none;
    }
}

/* 首页：头部透明漂浮在 Banner 上 */
.index-page .index-hero-stack .site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    background: transparent;
    border-bottom: none;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.index-page .index-hero-stack .site-header .header-accent {
    display: none;
}

.index-page .index-hero-stack .site-header .header-inner {
    min-height: 92px;
}

.index-page .index-hero-stack .site-header .brand-logo {
    height: 56px;
    filter: none;
    transition: height 0.3s ease;
}

.index-page .index-hero-stack .site-header .header-nav {
    justify-content: flex-end;
}

.index-page .index-hero-stack .site-header .header-menu {
    justify-content: flex-end;
    gap: 8px;
}

.index-page .index-hero-stack .site-header .header-menu-link {
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

.index-page .index-hero-stack .site-header .header-menu-link::before {
    background: #ffffff;
    bottom: 4px;
}

.index-page .index-hero-stack .site-header .header-menu-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.index-page .index-hero-stack .site-header .menu-chevron {
    color: #ffffff;
    opacity: 0.85;
}

.index-page .index-hero-stack .site-header .header-search-toggle {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.index-page .index-hero-stack .site-header .header-search-toggle:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.55);
}

.index-page .index-hero-stack .site-header .header-social-link {
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.index-page .index-hero-stack .site-header .header-social-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.index-page .index-hero-stack .site-header .header-cta-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.75);
    box-shadow: none;
    color: #fff;
}

.index-page .index-hero-stack .site-header .header-cta-btn:hover {
    background: #ffffff;
    color: #003C96 !important;
    border-color: #ffffff;
}

.index-page .index-hero-stack .site-header .toggle-bar {
    background: #ffffff;
}

.index-page .index-hero-stack .site-header .header-mobile-toggle {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.08);
}

/* 滚出 Banner 后：固定白底导航 */
.index-page .index-hero-stack .site-header.is-solid {
    position: fixed;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 60, 150, 0.08);
    box-shadow: 0 8px 32px rgba(0, 60, 150, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.index-page .index-hero-stack .site-header.is-solid .brand-logo {
    filter: none;
    height: 44px;
}

.index-page .index-hero-stack .site-header.is-solid .header-menu-link {
    color: #0f172a;
    text-shadow: none;
}

.index-page .index-hero-stack .site-header.is-solid .header-menu-link::before {
    background: #003C96;
}

.index-page .index-hero-stack .site-header.is-solid .header-menu-link:hover {
    color: #003C96;
    background: transparent;
}

.index-page .index-hero-stack .site-header.is-solid .menu-chevron {
    color: inherit;
}

.index-page .index-hero-stack .site-header.is-solid .header-search-toggle,
.index-page .index-hero-stack .site-header.is-solid .header-mobile-toggle {
    border-color: rgba(0, 60, 150, 0.12);
    background: #fff;
    color: #003C96;
}

.index-page .index-hero-stack .site-header.is-solid .header-social-link {
    color: #64748b;
    border: none;
}

.index-page .index-hero-stack .site-header.is-solid .header-cta-btn {
    background: linear-gradient(135deg, #003C96 0%, #0094DD 100%);
    border: none;
    color: #fff !important;
    box-shadow: 0 4px 16px rgba(0, 60, 150, 0.35);
}

.index-page .index-hero-stack .site-header.is-solid .toggle-bar {
    background: #003C96;
}

.index-page .index-hero-stack .site-header.is-solid .header-inner {
    min-height: 72px;
}

/* 旧 Hero（内页或其它引用保留类名时可复用） */
.home-hero {
    position: relative;
    height: 92vh;
    min-height: 560px;
    max-height: 900px;
    overflow: hidden;
    background: #0a1535;
}

/* 桌面端视频背景 */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: auto;
    min-height: 100%;
    z-index: 0;
}

/* 移动端图片背景（默认隐藏） */
.hero-image-bg {
    display: none;
    position: absolute;
    inset: 0;
    background-image: url('/images/top1.jpg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

/* 移动端全屏图片（默认隐藏） */
.hero-mobile-img {
    display: none;
}

/* 遮罩层 */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(0, 60, 150, 0.72) 0%,
        rgba(6, 30, 100, 0.48) 50%,
        rgba(0, 0, 0, 0.32) 100%
    );
    z-index: 1;
}

/* 内容层 */
.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-text {
    max-width: 680px;
    padding: 20px 0;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #0094DD;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding: 6px 16px;
    border: 1px solid rgba(0, 148, 221, 0.4);
    border-radius: 20px;
    backdrop-filter: blur(4px);
    background: rgba(0, 148, 221, 0.08);
}

.hero-title {
    font-size: clamp(36px, 5vw, 68px);
    font-weight: 900;
    color: #ffffff;
    line-height: 1.1;
    margin: 0 0 20px;
    letter-spacing: -0.5px;
}

.hero-title-accent {
    color: #0094DD;
    display: block;
}

.hero-subtitle {
    font-size: 17px;
    color: rgba(255,255,255,0.82);
    line-height: 1.7;
    margin: 0 0 36px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}

.hero-btn-primary {
    background: #0094DD;
    color: #ffffff;
    border: 2px solid #0094DD;
    box-shadow: 0 6px 24px rgba(0, 148, 221, 0.35);
}

.hero-btn-primary:hover {
    background: #0077b0;
    border-color: #0077b0;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(0, 148, 221, 0.45);
}

.hero-btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255,255,255,0.55);
    backdrop-filter: blur(4px);
}

.hero-btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.9);
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
}

/* 导航箭头 */
.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    border: 1.5px solid rgba(255,255,255,0.3);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: all 0.25s ease;
}

.hero-nav:hover {
    background: #0094DD;
    border-color: #0094DD;
}

.hero-prev { left: 28px; }
.hero-next { right: 28px; }

/* 指示器 */
.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: #0094DD;
    width: 28px;
    border-radius: 5px;
}

/* 向下滚动提示 */
.hero-scroll-hint {
    position: absolute;
    bottom: 28px;
    right: 40px;
    z-index: 10;
    color: rgba(255,255,255,0.5);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(6px); }
}

/* ----------------------------------------------------------
   2. 统计条 Stats Strip
   ---------------------------------------------------------- */
.home-stats {
    background: #003C96;
    padding: 32px 0;
}

.home-stats-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.home-stat-item {
    flex: 1;
    text-align: center;
    padding: 16px 24px;
}

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 6px;
    letter-spacing: -1px;
}

.stat-suffix {
    font-size: 28px;
    color: #0094DD;
}

.stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.home-stat-divider {
    width: 1px;
    height: 56px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

/* ----------------------------------------------------------
   3. 首页产品展示 Showcase (BigClass 86)
   ---------------------------------------------------------- */
.home-showcase {
    --showcase-thumb-w: 110px;
    --showcase-thumb-h: 84px;
    --showcase-thumb-gap: 12px;
    --showcase-thumbs-visible: 4;
    background: #fff;
    padding-top: 88px;
    padding-bottom: 88px;
}

.home-showcase-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr);
    gap: 48px;
    align-items: center;
}

.home-showcase-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: #003C96;
    line-height: 1.15;
    margin: 0 0 22px;
    letter-spacing: -0.02em;
}

.home-showcase-desc {
    font-size: 16px;
    line-height: 2.05;
    color: #4a5568;
    margin: 0 0 32px;
    max-width: 520px;
}

.home-showcase-features {
    list-style: none;
    margin: 0 0 36px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.home-showcase-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    line-height: 1.95;
    color: #334155;
}

.home-showcase-features svg {
    flex-shrink: 0;
    color: #003C96;
    margin-top: 3px;
}

.home-showcase-features strong {
    color: #003C96;
    font-weight: 700;
}

.home-showcase-more {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: #003C96;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 40px;
    transition: gap 0.25s ease, color 0.25s ease;
}

.home-showcase-more:hover {
    color: #002a70;
    gap: 18px;
    text-decoration: none;
}

.home-showcase-more-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid #003C96;
    border-radius: 50%;
    transition: background 0.25s ease, color 0.25s ease;
}

.home-showcase-more:hover .home-showcase-more-icon {
    background: #003C96;
    color: #fff;
}

.home-showcase-slider {
    display: flex;
    align-items: center;
    gap: 12px;
}

.home-showcase-arrow {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: #003C96;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.home-showcase-arrow:hover {
    transform: scale(1.08);
    opacity: 0.85;
}

.home-showcase-thumbs {
    display: flex;
    gap: var(--showcase-thumb-gap);
    flex: 0 1 auto;
    width: 100%;
    max-width: calc(
        var(--showcase-thumbs-visible) * var(--showcase-thumb-w) +
        (var(--showcase-thumbs-visible) - 1) * var(--showcase-thumb-gap)
    );
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    padding: 4px 2px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.home-showcase-thumbs::-webkit-scrollbar {
    display: none;
}

.home-showcase-thumb {
    flex: 0 0 var(--showcase-thumb-w);
    width: var(--showcase-thumb-w);
    height: var(--showcase-thumb-h);
    padding: 0;
    border: 2px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    background: #ffffff;
    cursor: pointer;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.home-showcase-thumb.is-active {
    border-color: #003C96;
    box-shadow: 0 4px 16px rgba(0, 60, 150, 0.2);
}

.home-showcase-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #fff;
}

.home-showcase-right {
    position: relative;
    min-height: 624px;
}

.home-showcase-stage {
    position: relative;
    width: 100%;
    min-height: 576px;
    padding-top: 92%;
    border-radius: 4px;
    overflow: hidden;
}

.home-showcase-stage-bg {
    display: none;
}

.home-showcase-main-link {
    position: absolute;
    inset: 0 1% 1%;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-showcase-main-img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    transform: scale(1.2);
    transition: opacity 0.35s ease;
}

.home-showcase-main-img.is-fading {
    opacity: 0;
}

.home-showcase-empty {
    padding: 48px;
    text-align: center;
    color: #94a3b8;
    background: #f8fafc;
    border-radius: 8px;
}

/* ----------------------------------------------------------
   4. 热门产品 Featured Products
   ---------------------------------------------------------- */
.home-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.home-product-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e8edf5;
    box-shadow: 0 2px 12px rgba(0, 60, 150, 0.05);
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
}

.home-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 60, 150, 0.14);
    border-color: rgba(0, 148, 221, 0.4);
}

.home-product-img-wrap {
    display: block;
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #ffffff;
}

.home-product-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.4s ease;
}

.home-product-card:hover .home-product-img {
    transform: scale(1.06);
}

.home-product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 60, 150, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.home-product-card:hover .home-product-overlay {
    opacity: 1;
}

.home-product-view {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    border: 2px solid rgba(255,255,255,0.7);
    padding: 8px 20px;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

.home-product-body {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.home-product-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 6px;
    line-height: 1.4;
    color: #1a2340;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-product-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.home-product-title a:hover { color: #003C96; }

.home-product-model {
    font-size: 13px;
    color: #0094DD;
    margin: 0 0 14px;
    line-height: 1.3;
    flex: 1;
}

.home-product-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    color: #003C96;
    border: 1.5px solid #003C96;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    align-self: flex-start;
}

.home-product-btn:hover {
    background: linear-gradient(135deg, #003C96 0%, #0094DD 100%);
    border-color: transparent;
    color: #fff;
    text-decoration: none;
}

.home-view-all-wrap {
    text-align: center;
    margin-top: 50px;
}

.btn-outline-blue {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: transparent;
    color: #003C96;
    border: 2px solid #003C96;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}

.btn-outline-blue:hover {
    background: linear-gradient(135deg, #003C96 0%, #0094DD 100%);
    border-color: transparent;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 60, 150, 0.25);
}

/* ----------------------------------------------------------
   5. 关于我们 About
   ---------------------------------------------------------- */
.home-section-tag--light {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.home-about {
    position: relative;
    padding: 110px 0 100px;
    overflow: hidden;
}

.home-about-bg {
    position: absolute;
    inset: 0;
    background: url('/images/index_intro_bg.jpg') center center / cover no-repeat;
    background-attachment: fixed;
    z-index: 0;
}

.home-about-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        115deg,
        rgba(0, 42, 107, 0.92) 0%,
        rgba(0, 60, 150, 0.78) 45%,
        rgba(0, 30, 80, 0.88) 100%
    );
    z-index: 1;
}

.home-about-inner {
    position: relative;
    z-index: 2;
}

.home-about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: center;
    margin-bottom: 56px;
}

.home-about-text {
    color: #fff;
}

.home-about-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 22px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.home-about-desc {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 32px;
    max-width: 560px;
}

.home-about-desc p {
    margin: 0;
}

.home-about-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    background: #ffffff;
    color: #003C96;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.home-about-btn:hover {
    background: #f0f6ff;
    color: #002a70;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.home-about-media {
    position: relative;
}

.home-about-image-frame {
    position: relative;
    z-index: 1;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.home-about-image-frame img {
    width: 100%;
    height: auto;
    min-height: 360px;
    max-height: 480px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.home-about-media:hover .home-about-image-frame img {
    transform: scale(1.04);
}

.home-about-media-accent {
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 55%;
    height: 55%;
    border: 3px solid rgba(0, 148, 221, 0.55);
    border-radius: 16px;
    z-index: 0;
    pointer-events: none;
}

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

.home-about-stat-card {
    text-align: center;
    padding: 28px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.home-about-stat-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
}

.home-about-stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: 14px;
    border-radius: 12px;
    background: rgba(0, 148, 221, 0.2);
    color: #66c4f0;
}

.home-about-stat-value {
    margin: 0 0 8px;
    font-size: clamp(32px, 3.5vw, 44px);
    font-weight: 800;
    line-height: 1;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.home-about-stat-unit {
    font-size: 0.55em;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.85);
    margin-left: 2px;
}

.home-about-stat-label {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 500;
}

/* ----------------------------------------------------------
   4. 展会 Exhibition
   ---------------------------------------------------------- */
.home-exhibition {
    position: relative;
    padding-top: 100px;
    padding-bottom: 100px;
    background: #0c1222;
    overflow: hidden;
}

.home-exhibition-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 15% 20%, rgba(0, 60, 150, 0.35) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 90% 80%, rgba(0, 148, 221, 0.12) 0%, transparent 55%),
        linear-gradient(180deg, #0c1222 0%, #111b32 50%, #0c1222 100%);
    pointer-events: none;
}

.home-exhibition-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
}

.home-exhibition .container {
    position: relative;
    z-index: 1;
}

.home-exhibition-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.home-exhibition-head .home-section-title {
    color: #ffffff;
}

.home-exhibition-head .home-section-title::after {
    background: linear-gradient(90deg, #0094DD, #003C96);
}

.home-exhibition-subtitle {
    margin: 0;
    font-size: 16px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.65);
}

.home-exhibition-head .home-section-tag--brand {
    background: rgba(255, 255, 255, 0.08);
    color: #66c4f0;
    border-color: rgba(142, 228, 191, 0.25);
}

.home-exhibition-mosaic {
    display: grid;
    grid-template-columns: 1.25fr 1fr 1fr;
    grid-template-rows: minmax(200px, 1fr) minmax(200px, 1fr);
    gap: 16px;
    min-height: 540px;
    max-height: 680px;
}

.home-exhibition-item {
    position: relative;
    display: block;
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none;
    background: #1a2540;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease, border-color 0.35s ease;
}

.home-exhibition-item--hero {
    grid-row: 1 / 3;
    grid-column: 1;
    border-radius: 18px;
    border-color: rgba(0, 60, 150, 0.4);
    box-shadow:
        0 0 0 1px rgba(0, 148, 221, 0.15),
        0 20px 60px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.home-exhibition-item:nth-child(2) { grid-column: 2; grid-row: 1; }
.home-exhibition-item:nth-child(3) { grid-column: 3; grid-row: 1; }
.home-exhibition-item:nth-child(4) { grid-column: 2; grid-row: 2; }
.home-exhibition-item--wide {
    grid-column: 3;
    grid-row: 2;
}

.home-exhibition-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1), filter 0.4s ease;
}

.home-exhibition-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 40%,
        rgba(0, 10, 30, 0.55) 100%
    );
    opacity: 0.85;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.home-exhibition-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255, 255, 255, 0.12) 50%,
        transparent 60%
    );
    transform: translateX(-120%);
    transition: transform 0.7s ease;
    pointer-events: none;
    z-index: 2;
}

.home-exhibition-index {
    position: absolute;
    left: 16px;
    bottom: 14px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.9);
    z-index: 3;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.home-exhibition-item--hero .home-exhibition-index {
    font-size: 15px;
    left: 20px;
    bottom: 18px;
}

.home-exhibition-zoom {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 3;
}

.home-exhibition-item:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: rgba(0, 148, 221, 0.45);
    box-shadow: 0 24px 56px rgba(0, 60, 150, 0.25);
    text-decoration: none;
}

.home-exhibition-item:hover img {
    transform: scale(1.06);
}

.home-exhibition-item:hover::after {
    opacity: 0.65;
}

.home-exhibition-item:hover .home-exhibition-shine {
    transform: translateX(120%);
}

.home-exhibition-item:hover .home-exhibition-zoom {
    opacity: 1;
    transform: scale(1);
}

.home-exhibition-item--hero:hover {
    transform: translateY(-8px) scale(1.008);
}

/* Lightbox */
.home-exhibition-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(4, 8, 20, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 72px;
}

.home-exhibition-lightbox[hidden] {
    display: none !important;
}

.home-exhibition-lb-inner {
    max-width: min(1200px, 92vw);
    max-height: 85vh;
}

.home-exhibition-lb-img {
    max-width: 100%;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.home-exhibition-lb-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 32px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
}

.home-exhibition-lb-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.home-exhibition-lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.home-exhibition-lb-nav:hover {
    background: rgba(0, 60, 150, 0.6);
    border-color: rgba(0, 148, 221, 0.5);
}

.home-exhibition-lb-prev { left: 20px; }
.home-exhibition-lb-next { right: 20px; }

.home-exhibition-lb-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.08em;
}

/* ----------------------------------------------------------
   6. 为什么选择我们 Why Choose Us
   ---------------------------------------------------------- */
.home-section-tag--brand {
    background: rgba(0, 60, 150, 0.08);
    color: #003C96;
    border: 1px solid rgba(0, 60, 150, 0.12);
}

.home-why {
    background: #ffffff;
    padding-top: 88px;
    padding-bottom: 88px;
}

.home-why-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.home-why-header .home-section-title {
    margin-bottom: 14px;
}

.home-why-subtitle {
    margin: 0;
    font-size: 17px;
    line-height: 1.75;
    color: #64748b;
}

.home-why-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.home-why-spotlight {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: stretch;
    background: #f8fafc;
    border: 1px solid #e8edf5;
    border-radius: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.home-why-pillars {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.home-why-spotlight:hover {
    border-color: rgba(0, 148, 221, 0.35);
    box-shadow: 0 16px 40px rgba(0, 60, 150, 0.1);
}

.home-why-spotlight-media {
    position: relative;
    min-height: 280px;
    overflow: hidden;
    background: #eef4fb;
}

.home-why-spotlight-media img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.home-why-spotlight:hover .home-why-spotlight-media img {
    transform: scale(1.04);
}

.home-why-spotlight-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px 36px;
}

.home-why-spotlight-title {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 800;
    color: #003C96;
    line-height: 1.3;
}

.home-why-spotlight-body p {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.75;
    color: #556275;
}

.home-why-spotlight-body p strong {
    color: #003C96;
    font-weight: 700;
}

.home-why-spotlight-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #003C96;
    text-decoration: none;
    transition: gap 0.2s ease, color 0.2s ease;
}

.home-why-spotlight-link:hover {
    color: #0094DD;
    text-decoration: none;
    gap: 12px;
}

.home-why-pillar {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 196px;
    padding: 26px 24px;
    background: #ffffff;
    border: 1px solid #e8edf5;
    border-radius: 16px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.home-why-pillar:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 148, 221, 0.3);
    box-shadow: 0 12px 32px rgba(0, 60, 150, 0.08);
}

.home-why-pillar-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 60, 150, 0.1), rgba(0, 148, 221, 0.12));
    color: #003C96;
    transition: background 0.25s ease, color 0.25s ease;
}

.home-why-pillar:hover .home-why-pillar-icon {
    background: linear-gradient(135deg, #003C96, #0094DD);
    color: #ffffff;
}

.home-why-pillar-title {
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.35;
}

.home-why-pillar-desc {
    margin: 0;
    flex: 1;
    font-size: 14px;
    line-height: 1.7;
    color: #64748b;
}

.home-why-foot {
    margin-top: 40px;
    padding: 32px 36px;
    text-align: center;
    background: linear-gradient(135deg, #003C96 0%, #005aad 55%, #0094DD 100%);
    border-radius: 16px;
    color: #fff;
}

.home-why-principles {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
}

.home-why-principles li {
    position: relative;
    padding: 0 0 0 18px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.home-why-principles li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -4px;
    border-radius: 50%;
    background: #7dd3fc;
    box-shadow: 0 0 8px rgba(125, 211, 252, 0.8);
}

.home-why-foot-text {
    margin: 0 auto 22px;
    max-width: 680px;
    font-size: 15px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.9);
}

.home-why-foot-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 700;
    color: #003C96;
    background: #ffffff;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.home-why-foot-btn:hover {
    color: #003C96;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ----------------------------------------------------------
   7. 最新新闻 News
   ---------------------------------------------------------- */
.home-news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.home-news-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e8edf5;
    box-shadow: 0 2px 12px rgba(0, 60, 150, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    min-height: 168px;
}

.home-news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 60, 150, 0.12);
    border-color: rgba(0, 148, 221, 0.3);
}

.home-news-img-wrap {
    display: block;
    flex: 0 0 200px;
    width: 200px;
    position: relative;
    overflow: hidden;
    background: #f4f8ff;
    border-right: 1px solid #e8edf5;
}

.home-news-img-wrap img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.home-news-card:hover .home-news-img-wrap img {
    transform: scale(1.06);
}

.home-news-body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    justify-content: center;
}

.home-news-meta {
    margin-bottom: 10px;
}

.home-news-date {
    font-size: 12px;
    color: #0094DD;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.home-news-title {
    font-size: 17px;
    font-weight: 700;
    color: #1a2340;
    margin: 0 0 10px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-news-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.home-news-title a:hover { color: #003C96; }

.home-news-excerpt {
    font-size: 14px;
    color: #667080;
    line-height: 1.65;
    margin: 0 0 12px;
    flex: 0 1 auto;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-news-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #003C96;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
    margin-top: auto;
}

.home-news-more:hover {
    color: #0094DD;
    text-decoration: none;
}

/* ----------------------------------------------------------
   8. CTA 横幅
   ---------------------------------------------------------- */
.home-cta-banner {
    position: relative;
    padding: 96px 0;
    min-height: 340px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.home-cta-bg {
    position: absolute;
    inset: 0;
    background: url('/images/products.jpg') center center / cover no-repeat;
    transform: scale(1.06);
    transition: transform 8s ease-out;
}

.home-cta-banner:hover .home-cta-bg {
    transform: scale(1.1);
}

.home-cta-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(105deg, rgba(0, 40, 100, 0.82) 0%, rgba(0, 60, 150, 0.68) 42%, rgba(0, 148, 221, 0.52) 100%),
        linear-gradient(180deg, rgba(0, 20, 50, 0.35) 0%, transparent 38%, rgba(0, 20, 50, 0.25) 100%);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
}

.home-cta-banner .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.home-cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.home-cta-text {
    flex: 1;
    min-width: 280px;
}

.home-cta-title {
    font-size: clamp(28px, 3.2vw, 36px);
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 12px;
    line-height: 1.25;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
}

.home-cta-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
    line-height: 1.65;
    max-width: 520px;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.home-cta-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.home-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    background: #ffffff;
    color: #003C96;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

.home-cta-btn:hover {
    background: #f0f7ff;
    color: #002a70;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
}

.home-cta-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.65);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.home-cta-btn-outline:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: #ffffff;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
    .home-cta-bg {
        transform: none;
        transition: none;
    }

    .home-cta-banner:hover .home-cta-bg {
        transform: none;
    }
}

/* ----------------------------------------------------------
   9. 联系我们 Contact
   ---------------------------------------------------------- */
.home-contact {
    background: #fff;
}

.home-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 50px;
    align-items: start;
}

.home-contact-card {
    background: #f4f8ff;
    border-radius: 12px;
    padding: 36px 32px;
    border: 1px solid #e8edf5;
    height: 100%;
}

.home-contact-logo {
    margin-bottom: 12px;
}

.home-contact-logo img {
    height: 46px;
    width: auto;
    object-fit: contain;
    display: block;
}

.home-contact-company {
    font-size: 16px;
    font-weight: 700;
    color: #1a2340;
    margin: 0 0 6px;
    line-height: 1.3;
}

.home-contact-slogan {
    font-size: 13px;
    color: #667080;
    margin: 0 0 28px;
    line-height: 1.5;
    padding-bottom: 22px;
    border-bottom: 1px solid #e0e8f0;
}

.home-contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.home-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.home-contact-icon {
    width: 36px;
    height: 36px;
    background: #003C96;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
    margin-top: 2px;
}

.home-contact-lbl {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #9eaab5;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.home-contact-val {
    display: block;
    font-size: 14px;
    color: #1a2340;
    line-height: 1.5;
    text-decoration: none;
    transition: color 0.2s ease;
}

.home-contact-val:hover { color: #003C96; }

/* 表单 */
.home-form {
    background: #fff;
    border: 1px solid #e8edf5;
    border-radius: 12px;
    padding: 36px 36px;
    box-shadow: 0 4px 24px rgba(0, 60, 150, 0.07);
}

.home-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}

.home-form-group {
    margin-bottom: 18px;
}

.home-form-group:last-of-type {
    margin-bottom: 0;
}

.home-form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #1a2340;
    margin-bottom: 7px;
}

.req { color: #e53e3e; }

.home-form-input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #d8e0eb;
    border-radius: 7px;
    font-size: 14px;
    color: #1a2340;
    background: #fff;
    transition: all 0.25s ease;
    outline: none;
    box-sizing: border-box;
}

.home-form-input:focus {
    border-color: #0094DD;
    box-shadow: 0 0 0 3px rgba(0, 148, 221, 0.12);
}

.home-form-input::placeholder { color: #9eaab5; }

.home-form-textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #d8e0eb;
    border-radius: 7px;
    font-size: 14px;
    color: #1a2340;
    background: #fff;
    transition: all 0.25s ease;
    outline: none;
    min-height: 120px;
    resize: vertical;
    box-sizing: border-box;
    font-family: inherit;
}

.home-form-textarea:focus {
    border-color: #0094DD;
    box-shadow: 0 0 0 3px rgba(0, 148, 221, 0.12);
}

.home-form-textarea::placeholder { color: #9eaab5; }

.home-form-verify {
    display: flex;
    gap: 14px;
    align-items: center;
}

.home-form-verify .home-form-input {
    flex: 1;
}

.home-verify-img {
    height: 42px;
    width: 110px;
    object-fit: cover;
    border: 1.5px solid #d8e0eb;
    border-radius: 7px;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.25s ease;
}

.home-verify-img:hover { border-color: #0094DD; }

.home-form-submit {
    width: 100%;
    margin-top: 22px;
    padding: 14px;
    background: linear-gradient(135deg, #003C96 0%, #0094DD 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.4px;
    transition: all 0.3s ease;
}

.home-form-submit:hover {
    background: linear-gradient(135deg, #002a70 0%, #0077b0 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 60, 150, 0.35);
}

/* ============================================================
   响应式断点
   ============================================================ */

/* 平板 1024px */
@media (max-width: 1100px) {
    .home-why-pillars {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto;
    }

    .home-product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .home-about-grid {
        gap: 40px;
    }

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

    .home-exhibition-mosaic {
        min-height: 460px;
        max-height: 560px;
    }
}

@media (max-width: 1024px) {
    .index-page .index-hero-stack .site-header .header-social,
    .index-page .index-hero-stack .site-header .header-search-toggle,
    .index-page .index-hero-stack .site-header .header-search-panel,
    .index-page .index-hero-stack .site-header .header-cta-btn {
        display: none;
    }

    .home-stats-grid {
        flex-wrap: wrap;
    }

    .home-stat-divider {
        display: none;
    }

    .home-stat-item {
        width: 50%;
    }

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

    .home-news-grid {
        gap: 20px;
    }

    .home-news-img-wrap {
        flex: 0 0 160px;
        width: 160px;
    }

    .home-cta-inner {
        flex-direction: column;
        text-align: center;
    }

    .home-cta-actions {
        justify-content: center;
    }
}

/* 手机 768px */
@media (max-width: 768px) {
    .home-section {
        padding: 56px 0;
    }

    .home-about-bg {
        background-attachment: scroll;
    }

    .home-about {
        padding: 72px 0 64px;
    }

    body.index-page main .home-about .home-about-desc,
    body.index-page main .home-about .home-about-desc p {
        color: rgba(255, 255, 255, 0.92) !important;
    }

    .index-hero-stack {
        height: auto;
        min-height: 620px;
        max-height: none;
    }

    .index-hero-inner {
        padding-top: 88px;
        padding-bottom: 48px;
        min-height: 620px;
    }

    .index-hero-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .index-hero-visual {
        order: -1;
        min-height: 0;
        max-height: 420px;
    }

    .index-hero-machine {
        max-width: 440px;
        max-height: 380px;
    }

    .index-hero-copy {
        max-width: none;
    }

    .index-hero-headline {
        font-size: 28px;
    }

    .index-page .index-hero-stack .site-header .header-inner {
        min-height: 72px;
    }

    .index-page .index-hero-stack .site-header .brand-logo {
        height: 42px;
    }

    .index-page .index-hero-stack .site-header .header-menu-link {
        font-size: 16px;
    }

    .home-hero {
        height: auto;
        min-height: unset;
        max-height: unset;
        background: none;
    }

    /* 移动端：显示全屏图片，隐藏桌面所有元素 */
    .hero-mobile-img {
        display: block;
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    .hero-desktop-only {
        display: none !important;
    }

    .hero-nav {
        display: none;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-label {
        font-size: 11px;
    }

    .home-section-title {
        font-size: 26px;
    }

    .home-section-header {
        margin-bottom: 32px;
    }

    .home-exhibition {
        padding: 64px 0;
    }

    .home-exhibition-head {
        margin-bottom: 32px;
    }

    .home-exhibition-subtitle {
        font-size: 14px;
    }

    .home-exhibition-mosaic {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        min-height: 0;
        max-height: none;
        gap: 12px;
    }

    .home-exhibition-item--hero {
        grid-column: 1 / -1;
        grid-row: auto;
        min-height: 280px;
    }

    .home-exhibition-item:nth-child(2),
    .home-exhibition-item:nth-child(3),
    .home-exhibition-item:nth-child(4),
    .home-exhibition-item--wide {
        grid-column: auto;
        grid-row: auto;
        min-height: 160px;
    }

    .home-exhibition-item--wide {
        grid-column: 1 / -1;
        min-height: 200px;
    }

    .home-exhibition-lightbox {
        padding: 56px 16px;
    }

    .home-exhibition-lb-prev { left: 8px; }
    .home-exhibition-lb-next { right: 8px; }

    .home-showcase {
        padding-top: 56px;
        padding-bottom: 56px;
    }

    .home-showcase-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .home-showcase-right {
        order: -1;
        min-height: 384px;
    }

    .home-showcase-stage {
        min-height: 360px;
        padding-top: 78%;
    }

    .home-product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .home-about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-bottom: 40px;
    }

    .home-about-media {
        order: -1;
    }

    .home-about-image-frame img {
        min-height: 260px;
        max-height: 320px;
    }

    .home-about-media-accent {
        right: -10px;
        bottom: -10px;
    }

    .home-about-title {
        font-size: 28px;
    }

    .home-about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .home-about-stat-card {
        padding: 22px 16px;
    }

    .home-about-stat-value,
    .home-about-stat-value .home-about-count,
    .home-about-stat-unit {
        color: #ffffff !important;
    }

    .home-about-stat-value {
        font-size: 30px;
    }

    .home-about-stat-label {
        color: rgba(255, 255, 255, 0.85) !important;
    }

    .home-why {
        padding-top: 56px;
        padding-bottom: 56px;
    }

    .home-why-header {
        margin-bottom: 32px;
    }

    .home-why-spotlight {
        grid-template-columns: 1fr;
    }

    .home-why-spotlight-media,
    .home-why-spotlight-media img {
        min-height: 220px;
    }

    .home-why-spotlight-body {
        padding: 24px 22px 26px;
    }

    .home-why-pillars {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }

    .home-why-pillar {
        min-height: 0;
    }

    .home-why-foot {
        margin-top: 28px;
        padding: 24px 20px;
    }

    .home-why-principles {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .home-news-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .home-news-card {
        flex-direction: column;
        min-height: 0;
    }

    .home-news-img-wrap {
        flex: none;
        width: 100%;
        height: 0;
        padding-top: 52%;
        border-right: none;
        border-bottom: 1px solid #e8edf5;
    }

    .home-news-body {
        padding: 18px 20px 20px;
    }

    .home-cta-banner {
        padding: 64px 0;
        min-height: 300px;
    }

    .home-cta-title {
        font-size: 24px;
    }

    .home-form {
        padding: 24px 20px;
    }

    .home-form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* 小手机 480px */
@media (max-width: 480px) {
    .home-section {
        padding: 44px 0;
    }

    .home-hero {
        min-height: 480px;
    }

    .hero-title {
        font-size: 26px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .hero-btn {
        width: 100%;
        justify-content: center;
        padding: 13px 20px;
    }

    .home-stat-item {
        width: 50%;
        padding: 12px 16px;
    }

    .stat-number {
        font-size: 32px;
    }

    .home-cat-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .index-hero-stack,
    .index-hero-inner {
        min-height: 540px;
    }

    .index-hero-visual {
        min-height: 0;
        max-height: 350px;
    }

    .index-hero-machine {
        max-width: 360px;
        max-height: 320px;
    }

    .index-hero-highlight {
        padding: 14px 16px;
    }

    .index-hero-highlight-text {
        font-size: 14px;
    }

    .home-showcase {
        --showcase-thumb-w: 91px;
        --showcase-thumb-h: 70px;
        --showcase-thumbs-visible: 4;
    }

    .home-product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .home-about-stats {
        grid-template-columns: 1fr;
    }

    .home-section-title {
        font-size: 22px;
    }

    .home-cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .home-cta-btn,
    .home-cta-btn-outline {
        width: 100%;
        justify-content: center;
    }
}