/* ============================================================
   all.css - 全站样式整合（最终版，补全所有缺失样式）
   ============================================================ */

/* 几何未来感字体：中文走系统现代黑体，拉丁字母/数字走 Orbitron / Rajdhani（Google Fonts 中国镜像，国内可访问） */
@import url('https://fonts.googleapis.cn/css2?family=Orbitron:wght@500;700;900&family=Rajdhani:wght@500;600;700&display=swap');

:root {
    --primary-blue: #1a3a6b;
    --primary-dark: #0c1f3f;
    --accent-blue: #3b7ddd;
    --accent-gold: #c8923a;
    --text-dark: #1a1a1a;
    --bg-white: #fff;
    --bg-light: #fafbfc;
    --nav-height: 80px;
    --max-width: 1200px;
    --transition: 0.3s ease;
    --font-display: 'Orbitron', 'Rajdhani', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-heading: 'Rajdhani', 'Orbitron', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'Rajdhani', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --marquee-gap: 28px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: #fff;
    color: var(--text-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===== 导航 ===== */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    height: var(--nav-height);
    background: transparent;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}
.header.scrolled {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 24px rgba(0,0,0,0.1);
}
.logo-area {
    position: relative;
    display: flex; align-items: center; gap: 12px;
    text-decoration: none; flex-shrink: 0;
}
.logo-img {
    height: 56px;
    width: auto;
    display: block;
    transition: opacity 0.4s ease;
}
.logo-white { opacity: 1; }
.logo-dark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
}
.header.scrolled .logo-white { opacity: 0; }
.header.scrolled .logo-dark { opacity: 1; }

.nav-menu {
    display: flex; list-style: none; gap: 0.3rem;
    align-items: center; height: 100%;
}
.nav-menu > li {
    height: 100%; display: flex; align-items: center;
    position: relative;
}
.nav-menu > li > a {
    display: flex; align-items: center; height: 100%;
    padding: 0 1.4rem; text-decoration: none;
    font-size: 1.15rem; font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
    transition: color var(--transition);
    white-space: nowrap;
}
.header.scrolled .nav-menu > li > a { color: #1a1f2b; }
.nav-menu > li > a.active { color: var(--accent-blue); }
.nav-menu > li > a:hover { color: var(--accent-blue); }

.nav-menu .submenu {
    display: none; position: absolute; top: 100%; left: 50%;
    transform: translateX(-50%);
    background: #fff; border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    min-width: 160px; padding: 0.6rem 0;
    list-style: none; z-index: 1001;
    border: 1px solid #e2e8f0;
}
.nav-menu > li:hover .submenu { display: block; }
.nav-menu .submenu li a {
    display: block; padding: 0.6rem 1.6rem;
    text-decoration: none; color: #444;
    font-size: 0.9rem; font-weight: 500; letter-spacing: 1px;
    transition: all var(--transition);
}
.nav-menu .submenu li a:hover {
    color: var(--accent-blue); background: #f4f7fc;
}

.hamburger {
    display: none; flex-direction: column; cursor: pointer;
    gap: 6px; z-index: 1001;
}
.hamburger span {
    width: 30px; height: 3px;
    background: #fff; border-radius: 3px;
    transition: all var(--transition);
}
.header.scrolled .hamburger span { background: #1a1f2b; }

@media (max-width: 1024px) {
    .nav-menu {
        position: fixed; top: var(--nav-height); right: -100%;
        width: 75%; max-width: 360px;
        height: calc(100vh - var(--nav-height));
        background: #fff; flex-direction: column;
        align-items: flex-start; gap: 0;
        padding: 1rem 0;
        transition: right var(--transition);
        z-index: 999;
        box-shadow: -4px 0 24px rgba(0,0,0,0.15);
        overflow-y: auto;
    }
    .nav-menu.active { right: 0; }
    .nav-menu > li { width: 100%; height: auto; flex-direction: column; }
    .nav-menu > li > a {
        padding: 1rem 1.8rem; height: auto;
        border-bottom: 1px solid #f0f0f0;
        color: #1a1f2b;
    }
    .nav-menu .submenu {
        position: static; transform: none;
        box-shadow: none; border: none;
        padding: 0 0 0.4rem 1.5rem; background: #fafbfc;
    }
    .hamburger { display: flex; }
}

/* ===== 全屏 Banner ===== */
.banner-section {
    position: relative; width: 100%; height: 100vh;
    overflow: hidden; background: #0a1628;
}
.banner-stars {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; pointer-events: none; z-index: 0;
}
.star-dot {
    position: absolute; border-radius: 50%;
    background: #fff;
    animation: starTwinkle 3s ease-in-out infinite;
}
@keyframes starTwinkle {
    0%, 100% { opacity: 0.2; } 50% { opacity: 0.9; }
}
.banner-slide {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; opacity: 0;
    transition: opacity 1.2s ease-in-out;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}
.banner-slide.active { opacity: 1; z-index: 1; }
.banner-content {
    position: absolute;
    z-index: 2;
    text-align: center;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation: fadeInUp 1s ease forwards;
    padding: 0 1rem;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translate(-50%, calc(-50% + 50px)); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}
.banner-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.6rem, 7vw, 4.2rem);
    font-weight: 800; color: #fff;
    letter-spacing: 4px; line-height: 1.25;
    margin-bottom: 1.2rem;
}
.banner-content h1 .gold {
    color: #e0b860;
    text-shadow: 0 0 40px rgba(200,146,58,0.5);
}
.banner-dots {
    position: absolute; bottom: 28px; left: 50%;
    transform: translateX(-50%); z-index: 5;
    display: flex; gap: 12px;
}
.banner-dots span {
    width: 12px; height: 12px; border-radius: 50%;
    background: rgba(255,255,255,0.3); cursor: pointer;
    transition: 0.3s;
}
.banner-dots span.active { background: #c8923a; width: 36px; border-radius: 12px; }
.scroll-hint {
    position: absolute; bottom: 75px; left: 50%;
    transform: translateX(-50%); z-index: 5;
    color: rgba(255,255,255,0.5); font-size: 0.8rem;
    letter-spacing: 3px; animation: bounceDown 2s infinite;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.scroll-hint .line {
    width: 1px; height: 36px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
}
@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== 通用内容区块 ===== */
.content-section { padding: 4.5rem 2rem; }
.content-section.bg-light { background: #fafbfc; }
.content-section.bg-white { background: #ffffff; }
.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}
.section-label {
    text-align: center; font-size: 1.2rem;
    letter-spacing: 6px; color: var(--accent-blue);
    text-transform: uppercase; margin-bottom: 0.5rem; font-weight: 700;
}
.section-title {
    text-align: center; font-family: var(--font-heading);
    font-size: clamp(1.9rem, 4.5vw, 2.6rem);
    font-weight: 800; letter-spacing: 3px;
    margin-bottom: 0.6rem; color: #1a1a1a;
}
.section-line {
    width: 60px; height: 4px; background: var(--accent-blue);
    margin: 0 auto 2rem; border-radius: 4px;
}
.section-desc {
    text-align: center; color: #666; max-width: 700px;
    margin: 0 auto 3rem; font-size: 1rem;
    letter-spacing: 1.5px; line-height: 1.8;
}

/* ===== 页脚 ===== */
.site-footer {
    width: 100%;
    background: #1a1f2b;
    color: #b0b8c4;
    padding: 3rem 2rem 1.5rem;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: #fff;
    margin-bottom: 1rem;
}
.footer-col a, .footer-col p {
    display: block;
    color: #8890a0;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-decoration: none;
    margin-bottom: 0.4rem;
    transition: color 0.3s;
}
.footer-col a:hover { color: #c0d0e8; }
/* 三个导航栏目：标题与子链接在各自列内居中 */
.footer-nav-col { text-align: center; }
.footer-nav-col h4 { text-align: center; }
.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
    color: #667080;
    font-size: 0.75rem;
    letter-spacing: 2px;
    padding-top: 1.8rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 2rem;
}
.footer-social {
    display: flex; gap: 0.8rem; margin-top: 0.8rem;
}
.footer-social a {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    color: #b0b8c4; font-size: 1rem; transition: 0.3s;
    text-decoration: none;
}
.footer-social a:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

/* ===== 浮动客服 ===== */
.float-service {
    position: fixed; bottom: 28px; right: 28px; z-index: 999;
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--accent-blue); color: #fff;
    font-size: 1.5rem; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 24px rgba(43,94,167,0.45);
    cursor: pointer; text-decoration: none; transition: 0.3s;
}
.float-service:hover {
    background: #1a5ab8; transform: scale(1.08);
}

/* ===== 首页特有：新闻卡片 ===== */
.news-home-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.news-home-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 2px 14px rgba(0,0,0,0.06);
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
}
.news-home-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 36px rgba(0,0,0,0.1);
}
.news-img-wrap {
    width: 100%;
    height: 260px;
    background: #f7f9fb;
    overflow: hidden;
}
.news-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-home-body {
    padding: 1.6rem 1.4rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.news-date {
    font-size: 0.85rem;
    color: #888;
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
}
.news-home-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 0.8rem;
    line-height: 1.45;
}
.news-home-title a { color: inherit; text-decoration: none; transition: color 0.3s; }
.news-home-title a:hover { color: var(--accent-blue); }
.news-home-desc {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 1rem;
}
.news-more-link {
    display: inline-block;
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: auto;
}
.news-more-link i { margin-left: 6px; transition: 0.25s; }
.news-more-link:hover i { transform: translateX(4px); }
@media (max-width: 960px) {
    .news-home-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 580px) {
    .news-home-grid { grid-template-columns: 1fr; }
}

/* ===== 首页特有：数据统计 ===== */
.home-stat-wrap {
    background: var(--primary-dark);
    border-radius: 24px;
    padding: 3rem 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3.5rem;
}
.home-stat-item { text-align: center; }
.home-stat-num {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
}
.home-stat-num .unit {
    font-size: 1.2rem;
    color: #a0b8d8;
}
.home-stat-text {
    font-size: 0.9rem;
    color: #889bb8;
    letter-spacing: 2px;
    margin-top: 0.5rem;
}

/* ===== 首页特有：合作伙伴滚动 ===== */
.partner-wrap {
    width: 100%;
    overflow: hidden;
    padding: 1.5rem 0;
    background: #fff;
    border-top: 1px solid #e8ecf2;
    border-bottom: 1px solid #e8ecf2;
}
.partner-row {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    animation: partnerScroll 25s linear infinite;
}
.partner-item {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: #334;
}
@keyframes partnerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== 首页特有：按钮 ===== */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #c8923a, #a07328);
    color: #fff; padding: 18px 42px;
    border-radius: 50px; font-weight: 700;
    font-size: 1.1rem; letter-spacing: 3px;
    text-decoration: none; transition: all var(--transition);
    box-shadow: 0 10px 30px rgba(200,146,58,0.4);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #d4a045, #b08030);
    box-shadow: 0 14px 38px rgba(200,146,58,0.6);
    transform: translateY(-3px);
}
.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--accent-blue);
    padding: 18px 42px; border-radius: 50px;
    font-weight: 700; font-size: 1.1rem;
    letter-spacing: 3px; text-decoration: none;
    border: 2px solid var(--accent-blue);
    transition: all var(--transition);
}
.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    color: #fff;
    transform: translateY(-3px);
}

/* ===== 首页 / 关于页共用：公司简介图文 ===== */
.about-row { display: flex; gap: 3.5rem; align-items: center; flex-wrap: wrap; margin-bottom: 4rem; }
.about-text { flex: 1; min-width: 300px; }
.about-text h3 { font-size: 1.9rem; font-weight: 800; letter-spacing: 2px; margin-bottom: 1rem; }
.about-text .highlight { color: var(--accent-blue); }
.about-text p { font-size: 1rem; color: #444; letter-spacing: 1px; line-height: 1.85; margin-bottom: 1rem; }
.about-image { flex: 1; min-width: 300px; display: flex; justify-content: center; }
.about-img-placeholder {
    width: 100%; max-width: 540px; aspect-ratio: 4/3;
    background: linear-gradient(160deg, #d9e4f5, #b8cce8);
    border-radius: 24px; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    position: relative; overflow: hidden;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

/* ===== 首页 / 关于页共用：荣誉跑马灯 ===== */
.honor-wrap { position: relative; width: 100%; }
.honor-arrow {
    position: absolute;
    top: 50%;
    z-index: 10;
    width: 44px;
    height: 44px;
    margin-top: -22px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary-blue);
    transition: 0.25s;
}
.honor-arrow:hover { background: var(--accent-blue); color: #fff; }
.honor-prev { left: 0; }
.honor-next { right: 0; }
.honor-outer { overflow: hidden; padding: 0 60px; width: 100%; }
.honor-track { display: flex; gap: var(--marquee-gap); }
.honor-card { flex: 0 0 25%; max-width: 25%; }
.honor-card-inner {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: var(--transition);
    height: 100%;
}
.honor-card-inner:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.1);
}
.honor-card-img {
    width: 100%;
    max-width: 260px;
    aspect-ratio: 1/1;
    margin: 1.5rem auto 0;
    background-size: cover;
    background-position: center;
    border-radius: 12px;
}
.honor-card-body { padding: 1.5rem 1.2rem 2rem; }
.honor-card h4 {
    text-align: center;
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin: 0;
    letter-spacing: 1px;
}
@media (max-width: 960px) {
    .honor-card { flex: 0 0 50%; max-width: 50%; }
}
@media (max-width: 520px) {
    .honor-outer { padding: 0 45px; }
    .honor-arrow { width: 36px; height: 36px; margin-top: -18px; }
    .honor-card { flex: 0 0 100%; max-width: 100%; }
}

/* ===== 产品列表页特有（lists_product） ===== */
.single-prod-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
@media (max-width: 1000px) {
    .single-prod-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .single-prod-grid { grid-template-columns: 1fr; }
}
.single-prod-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: 0.3s;
    text-decoration: none;
    display: block;
}
.single-prod-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}
/* ⬇️ 之前缺失的样式 ⬇️ */
.single-prod-img {
    width: 100%;
    aspect-ratio: 3 / 4;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: #ffffff;
    display: block;
    transition: transform 0.3s ease;
}
.single-prod-card:hover .single-prod-img {
    transform: scale(1.03);
}
/* ⬆️ 补充结束 ⬆️ */
.single-prod-text {
    padding: 1.6rem;
    text-align: center;
}
.single-prod-text h5 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: #1a1a1a;
}
.single-prod-text p {
    font-size: 0.9rem;
    color: #666;
}

/* ===== 响应式补充 ===== */
@media (max-width: 600px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .home-stat-wrap { gap: 2rem; padding: 2rem 1rem; }
    .home-stat-num { font-size: 2.2rem; }
    .btn-primary, .btn-secondary { width: 100%; text-align: center; }
}

/* ===== 移动端 Banner 适配：整图展示，按宽度等比例缩放，不裁剪 =====
   原理：桌面端用 background-size: cover（高度固定 100vh，窄屏会裁掉图片两侧）；
   移动端改为 background-size: 100% auto（宽度撑满、高度等比），
   并用 aspect-ratio 兜底 + all.js 按图片实际比例动态设置区块高度。 */
@media (max-width: 768px) {
    .banner-section {
        height: auto;
        aspect-ratio: 16 / 9; /* 与当前 banner 图一致，JS 会按实际图片比例精确调整 */
    }
    .banner-slide {
        background-size: 100% auto;   /* 关键：宽度 100%，高度等比 → 整图完整显示 */
        background-position: center center;
    }
    .banner-content h1 {
        font-size: clamp(1.05rem, 4.6vw, 1.7rem);
        letter-spacing: 2px;
        margin-bottom: 0.6rem;
    }
    .banner-dots { bottom: 10px; gap: 8px; }
    .banner-dots span { width: 8px; height: 8px; }
    .banner-dots span.active { width: 22px; }
    .scroll-hint { display: none; }
}

/* ===== 页脚二维码弹窗 ===== */
.social-item {
    position: relative;
    display: inline-block;
}
.social-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #ccc;
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.social-item a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}
.qrcode-popup {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: #fff;
    padding: 12px 12px 8px 12px;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    width: 150px;
    text-align: center;
}
.qrcode-popup::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #fff;
}
.qrcode-popup img {
    display: block;
    width: 120px;
    height: 120px;
    margin: 0 auto;
    border-radius: 4px;
}
.qrcode-popup span {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #333;
}
.social-item:hover .qrcode-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

/* ===== 浮动客服二维码弹窗 ===== */
.float-service {
    position: fixed;
    bottom: 120px;
    right: 30px;
    z-index: 999;
    cursor: pointer;
}
.float-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #07c160;
    color: #fff;
    font-size: 28px;
    line-height: 60px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(7, 193, 96, 0.4);
    transition: all 0.3s ease;
}
.float-icon:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(7, 193, 96, 0.6);
}
.float-qrcode {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: #fff;
    padding: 16px 16px 12px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.9);
    transition: all 0.3s ease;
    width: 180px;
    text-align: center;
}
.float-qrcode::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 22px;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #fff;
}
.float-qrcode img {
    display: block;
    width: 140px;
    height: 140px;
    margin: 0 auto;
    border-radius: 8px;
}
.float-qrcode span {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}
.float-service:hover .float-qrcode {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* ============================================================
   品牌动态页面特有（lists_article）
   ============================================================ */

/* ---- 时间轴 ---- */
.timeline-section { margin-bottom: 5rem; }
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 2rem;
    border-left: 3px solid var(--accent-blue);
}
.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2.5rem;
}
.timeline-dot {
    position: absolute;
    left: -9px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-blue);
    border: 3px solid #fff;
    box-shadow: 0 0 0 4px rgba(59,125,221,0.15);
}
.timeline-date {
    font-size: 0.9rem;
    color: var(--accent-gold);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}
.timeline-card {
    background: #fff;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border: 1px solid #e2e8f0;
    transition: 0.3s;
}
.timeline-card:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}
.timeline-card h4 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 0.8rem;
    color: var(--primary-dark);
}
.timeline-card p {
    color: #555;
    line-height: 1.8;
}

/* ---- 新闻网格（列表） ---- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2rem;
}
@media (max-width: 960px) {
    .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .news-grid { grid-template-columns: 1fr; }
}
.news-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: all 0.4s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}
.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 22px 55px rgba(0,0,0,0.13);
}
.news-card-img {
    width: 100%;
    height: 260px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.news-card-img::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(to top, rgba(0,0,0,0.45), transparent);
}
.news-tag {
    position: absolute;
    top: 18px;
    left: 18px;
    background: linear-gradient(135deg, var(--accent-gold), #a07328);
    color: #fff;
    padding: 5px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    letter-spacing: 1px;
    z-index: 2;
}
.news-card-body {
    padding: 1.8rem;
}
.news-card-body h5 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.6rem;
    color: var(--primary-dark);
    line-height: 1.5;
}
.news-card-body p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 0.8rem;
}
.news-date {
    font-size: 0.85rem;
    color: #999;
    letter-spacing: 1px;
}

/* ---- 特色新闻（头条） ---- */
.feature-news {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
@media (max-width: 960px) {
    .feature-news { grid-template-columns: 1fr; }
}
.feature-news-img {
    width: 100%;
    height: 420px;
    background-size: cover;
    background-position: center;
}
.feature-news-text {
    padding: 2.5rem;
}
.feature-news-text .news-tag {
    position: static;
    display: inline-block;
    margin-bottom: 1.2rem;
}
.feature-news-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}
.feature-news-text p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 1.2rem;
}
.btn-outline {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2px;
    transition: all 0.3s;
}
.btn-outline:hover {
    background: var(--accent-blue);
    color: #fff;
}

/* ---- 分页 ---- */
.pagination-bar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
/* 清除li自带marker黑点 */
.pagination-bar li::marker {
    content: none;
    display: none;
}
.pagination-bar li {
    list-style: none;
}
.pagination-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 3rem;
}
.pagination-bar a,
.pagination-bar span {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 38px;
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.24s ease;
    box-sizing: border-box;
}
.pagination-bar a:hover {
    background-color: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(30,120,220,0.15);
}
.pagination-bar span.current {
    background-color: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
    font-weight: 600;
}
.pagination-bar span.disabled {
    border-color: #e2e8f0;
    color: #b1b9c6;
    background-color: #f7f9fc;
    cursor: not-allowed;
}
.pagination-bar span.pagination-info {
    border: none;
    color: #666;
    background: transparent;
    min-width: auto;
    padding: 0 10px;
    cursor: default;
}
.news-pagination-wrap {
    margin-top: 3rem;
}

/* ============================================================
   联系我们页面特有（lists_guestbook）
   ============================================================ */

/* ---- 联系布局 ---- */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}
@media (max-width: 900px) {
    .contact-wrap { grid-template-columns: 1fr; }
}
.contact-info-card {
    background: #fff;
    border-radius: 28px;
    padding: 3rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border: 1px solid #e8ecf2;
}
.contact-info-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    color: var(--primary-dark);
}
.contact-item {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}
.contact-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 50%;
    background: #f0f4fa;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-blue);
}
.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}
.contact-text p {
    color: #555;
    line-height: 1.7;
}
.contact-text a {
    color: var(--accent-blue);
    text-decoration: none;
}

/* ---- 表单 ---- */
.contact-form-card {
    background: #fff;
    border-radius: 28px;
    padding: 3rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border: 1px solid #e8ecf2;
}
.contact-form-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    color: var(--primary-dark);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}
@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}
.form-item { width: 100%; }
.form-item-full { width: 100%; margin-bottom: 1.2rem; }
.form-item label, .form-item-full label {
    display: block;
    font-size: 0.95rem;
    color: #333;
    margin-bottom: 0.6rem;
}
.form-item input, .form-item-full input,
.form-item-full textarea, .form-item-full select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d8e2ef;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: 0.3s;
}
.form-item input:focus, .form-item-full input:focus,
.form-item-full textarea:focus, .form-item-full select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59,125,221,0.12);
}
textarea { min-height: 140px; resize: vertical; }
.submit-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #c8923a, #a07328);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 24px rgba(200,146,58,0.3);
}
.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(200,146,58,0.45);
}

/* ============================================================
   文章详情页特有（view_article）
   ============================================================ */

/* ---- 内页 Banner ---- */
.inner-banner {
    width: 100%;
    height: 52vh;
    background: #0a1628;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.inner-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
}
.inner-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 1rem;
}
.inner-badge {
    display: inline-block;
    border: 1.5px solid rgba(255,255,255,0.3);
    border-radius: 40px;
    padding: 10px 28px;
    font-size: 0.9rem;
    letter-spacing: 4px;
    color: #b0c8e8;
    margin-bottom: 1.2rem;
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(4px);
}
.inner-banner h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.2rem);
    color: #fff;
    letter-spacing: 3px;
}

/* ---- 面包屑 ---- */
.container-wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem;
}
.breadcrumb {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: #555;
    text-decoration: none;
}
.breadcrumb a:hover {
    color: var(--accent-blue);
}
.breadcrumb span.sep {
    color: #bbb;
}

/* ---- 文章主体 ---- */
.article-wrap {
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
    overflow: hidden;
    border: 1px solid #eef1f6;
}
.article-header {
    padding: 2.5rem 2.5rem 1.5rem;
}
.article-meta {
    display: flex;
    gap: 1.2rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}
.art-tag {
    background: linear-gradient(135deg, var(--accent-gold), #a07328);
    color: #fff;
    padding: 5px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
}
.art-date {
    font-size: 0.9rem;
    color: #888;
}
.article-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--primary-dark);
    line-height: 1.45;
}
.article-cover {
    width: 100%;
    height: auto;
    max-height: 520px;
    object-fit: cover;
}
.article-body {
    padding: 2rem 2.5rem 3rem;
    font-size: 1.05rem;
    color: #333;
}
.article-body p {
    margin-bottom: 1.4rem;
}
.article-body h3 {
    font-size: 1.35rem;
    margin: 2rem 0 1rem;
    color: var(--primary-dark);
}
.article-body img {
    max-width: 100%;
    border-radius: 14px;
    margin: 1.6rem 0;
}

/* ---- 上一篇 / 下一篇 ---- */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid #e8ecf2;
}
.art-nav-item {
    text-decoration: none;
    color: #444;
    transition: 0.3s;
}
.art-nav-item:hover {
    color: var(--accent-blue);
}
.art-nav-item.empty {
    color: #aaa;
    cursor: default;
}
.art-nav-label {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 0.4rem;
}
@media (max-width: 720px) {
    .article-nav { grid-template-columns: 1fr; }
}

/* ---- 相关推荐 ---- */
.related-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin: 4rem 0 2rem;
    color: var(--primary-dark);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
@media (max-width: 900px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .related-grid { grid-template-columns: 1fr; }
}
.related-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 3px 14px rgba(0,0,0,0.05);
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
    display: block;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.11);
}
.rel-img {
    width: 100%;
    height: 190px;
    background-size: cover;
    background-position: center;
}
.rel-body {
    padding: 1.4rem;
}
.rel-body h5 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.5;
    color: var(--primary-dark);
}
.rel-date {
    font-size: 0.82rem;
    color: #999;
}

/* ============================================================
   关于我们页面特有（lists_single）— 品牌溯源 & 创始人
   ============================================================ */

/* ---- 品牌溯源 · 故事区块 ---- */
.story-block {
    background: #f4f7fc;
    border: 1px solid #e8ecf2;
    border-radius: 24px;
    padding: 3rem 2.5rem;
    line-height: 2;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    margin-top: 1rem;
}
.story-block p {
    margin-bottom: 1.2rem;
    color: #333;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
}
.story-block .star-line {
    width: 100px;
    height: 3px;
    background: var(--accent-gold);
    margin: 1.8rem auto;
    border-radius: 4px;
}

/* ---- 创始人卡片（适用于深色背景的领航人介绍） ---- */
.founder-card {
    background: linear-gradient(135deg, #1a3a6b, #0c1f3f);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    color: #fff;
    margin: 3rem 0;
    box-shadow: 0 8px 30px rgba(26, 58, 107, 0.25);
}
.founder-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    color: #fff;
}
.founder-card p {
    color: rgba(255,255,255,0.85);
    line-height: 1.9;
    font-size: 1.05rem;
}
.founder-sign {
    text-align: right;
    margin-top: 2rem;
    font-style: italic;
    color: #c8923a;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* ============================================================
   首页特有：4大技术支撑
   ============================================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.8rem;
}
@media (max-width: 1000px) {
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .tech-grid { grid-template-columns: 1fr; }
}
.tech-card {
    position: relative;
    background: #fff;
    border: 1px solid #e8ecf2;
    border-radius: 20px;
    padding: 2.4rem 1.8rem 2rem;
    overflow: hidden;
    box-shadow: 0 2px 14px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.tech-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.1);
    border-color: #cfe0f5;
}
.tech-card:hover::before { opacity: 1; }
.tech-index {
    position: absolute;
    top: 12px; right: 18px;
    font-family: var(--font-heading);
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1;
    color: #f0f3f8;
    z-index: 0;
    transition: color 0.3s ease;
}
.tech-card:hover .tech-index { color: #e9f0fa; }
.tech-img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 14px;
    margin-bottom: 1.4rem;
    background: #eef2f8;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}
.tech-title {
    position: relative; z-index: 1;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary-dark);
    margin-bottom: 0.9rem;
}
.tech-desc {
    position: relative; z-index: 1;
    font-size: 0.95rem;
    color: #5a6472;
    line-height: 1.8;
    letter-spacing: 0.3px;
}

/* ============================================================
   太空科技感增强（追加层，不影响任何既有样式）
   ============================================================ */

/* —— 1. Banner 深空星云光晕 + 地平线辉光 —— */
.banner-section::before {
    content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background:
        radial-gradient(58% 50% at 18% 18%, rgba(59,125,221,.38), transparent 60%),
        radial-gradient(50% 42% at 84% 26%, rgba(124,77,255,.30), transparent 62%),
        radial-gradient(72% 60% at 50% 102%, rgba(200,146,58,.20), transparent 66%);
}
.banner-section::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40%; z-index: 1; pointer-events: none;
    background: linear-gradient(to top, rgba(10,22,40,.92), transparent);
}
/* 流星由 JS 注入 .meteor；大星辉光 */
.meteor {
    position: absolute; top: -12%; width: 2px; height: 96px; z-index: 1;
    background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,.95));
    border-radius: 2px; filter: drop-shadow(0 0 6px rgba(255,255,255,.85));
    opacity: 0; transform: rotate(18deg); animation: meteorFall linear infinite;
}
@keyframes meteorFall {
    0% { opacity: 0; transform: translate(0,0) rotate(18deg); }
    8% { opacity: 1; }
    68% { opacity: 1; }
    100% { opacity: 0; transform: translate(-360px, 660px) rotate(18deg); }
}
.star-dot.bright { box-shadow: 0 0 7px 1px rgba(255,255,255,.85); }

/* —— 2. 滚动入场动画（JS 自动为容器加 .reveal） —— */
.reveal { opacity: 0; transform: translateY(48px); transition: opacity .85s cubic-bezier(.2,.7,.2,1), transform .85s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .09s; }
.reveal.d2 { transition-delay: .18s; }
.reveal.d3 { transition-delay: .27s; }

/* —— 3. 标题科技发光 —— */
.section-title { text-shadow: 0 0 26px rgba(59,125,221,.35); }
.section-line { box-shadow: 0 0 14px rgba(59,125,221,.55); }
.banner-content h1 { text-shadow: 0 0 30px rgba(59,125,221,.55), 0 0 64px rgba(200,146,58,.22); }

/* —— 4. 卡片科技发光（顶光条 + 悬停辉光上浮） —— */
.single-prod-card, .tech-card, .honor-card, .news-card, .about-card { position: relative; transition: transform .4s ease, box-shadow .4s ease; }
.single-prod-card::after, .tech-card::after, .honor-card::after, .news-card::after, .about-card::after {
    content: ""; position: absolute; left: 12%; right: 12%; top: 0; height: 3px; border-radius: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-gold), transparent);
    opacity: 0; transition: opacity .4s ease; box-shadow: 0 0 12px rgba(59,125,221,.7); pointer-events: none;
}
.single-prod-card:hover, .tech-card:hover, .honor-card:hover, .news-card:hover, .about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 44px rgba(26,58,107,.22), 0 0 0 1px rgba(59,125,221,.30);
}
.single-prod-card:hover::after, .tech-card:hover::after, .honor-card:hover::after, .news-card:hover::after, .about-card:hover::after { opacity: 1; }

/* —— 5. 按钮扫光（科技感 CTA） —— */
.btn-primary, .btn-secondary, .btn-outline { position: relative; overflow: hidden; }
.btn-primary::after, .btn-secondary::after, .btn-outline::after {
    content: ""; position: absolute; top: 0; left: -130%; width: 55%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.5), transparent);
    transform: skewX(-20deg); transition: left .6s ease; pointer-events: none;
}
.btn-primary:hover::after, .btn-secondary:hover::after, .btn-outline:hover::after { left: 150%; }

/* —— 6. 导航深空玻璃 + 发光下划线 —— */
.nav-menu > li > a { position: relative; }
.header.scrolled {
    background: linear-gradient(90deg, rgba(12,31,63,.92), rgba(26,58,107,.88));
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(59,125,221,.22);
}
.header.scrolled .nav-menu > li > a { color: #eaf1ff; }
.header.scrolled .nav-menu > li > a:hover,
.header.scrolled .nav-menu > li > a.active { color: #fff; text-shadow: 0 0 12px rgba(59,125,221,.9); }
.nav-menu > li > a::after {
    content: ""; position: absolute; left: 50%; bottom: 16px; width: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
    transform: translateX(-50%); transition: width .3s ease; box-shadow: 0 0 10px rgba(59,125,221,.8);
}
.nav-menu > li > a:hover::after, .nav-menu > li > a.active::after { width: 58%; }
.hamburger span { box-shadow: 0 0 8px rgba(59,125,221,.6); }

/* —— 7. 浅色内容区极淡网格/星点纹理 —— */
.content-section.bg-light {
    background-image:
        radial-gradient(rgba(59,125,221,.05) 1px, transparent 1px),
        linear-gradient(rgba(59,125,221,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,125,221,.035) 1px, transparent 1px);
    background-size: 28px 28px, 100% 28px, 28px 100%;
}

/* —— 9. 几何未来感字体应用（整站标题 / Latin / 数字） —— */
.section-title, .banner-content h1 { font-family: var(--font-display); }
.tech-index, .honor-index, .logo, .section-label { font-family: var(--font-display); letter-spacing: 2px; }
.nav-menu > li > a, .btn-primary, .btn-secondary, .btn-outline, .footer-col h4, .scroll-hint { font-family: var(--font-heading); }
.section-title { letter-spacing: 3px; }
.banner-content h1 { letter-spacing: 4px; }
.section-label { letter-spacing: 5px; }
.tech-index, .honor-index { font-weight: 700; }

/* —— 10. 粒子增强：漂浮光点 canvas + 旋转星云 + 更强流星 + 页脚粒子 —— */
.banner-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
.nebula-rot {
    position: absolute; inset: -25%; z-index: 0; pointer-events: none; opacity: .9;
    background:
        radial-gradient(38% 38% at 28% 30%, rgba(59,125,221,.20), transparent 60%),
        radial-gradient(46% 46% at 72% 62%, rgba(124,77,255,.18), transparent 62%),
        radial-gradient(40% 40% at 50% 82%, rgba(200,146,58,.12), transparent 64%);
    animation: nebulaSpin 70s linear infinite;
}
@keyframes nebulaSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.meteor { width: 2px; height: 120px; filter: drop-shadow(0 0 8px rgba(255,255,255,.9)); }
.footer-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .7; }
.site-footer { position: relative; overflow: hidden; }
.site-footer .footer-inner, .site-footer .footer-bottom { position: relative; z-index: 1; }

/* —— 8. 可访问性：减少动效偏好 —— */
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1 !important; transform: none !important; }
    .meteor, .star-dot { animation: none !important; }
    .banner-particles, .footer-particles, .nebula-rot { display: none !important; }
    * { scroll-behavior: auto !important; }
}