:root {
    --color-light: #015e9c;
    /* --color-primary: #da292a; */
    --color-primary: #003057;
    /* --color-primary-dark: #de3f40; */
    --color-primary-dark: #004e81;
    /* --color-primary-light: #e4dcc7; */
    --color-primary-light: #f1f9ff;
    --color-secondary: #fec104;

    --color-navbar-bg: rgba(0, 48, 87, 0.3);
    --color-navbar-fixed: rgba(0, 48, 87, 0.8);

    --color-navbar-tm01: rgba(0, 48, 87, 0.1);
    --color-navbar-tm02: rgba(0, 48, 87, 0.2);
    --color-navbar-tm03: rgba(0, 48, 87, 0.3);
    --color-navbar-tm04: rgba(0, 48, 87, 0.4);
    --color-navbar-tm05: rgba(0, 48, 87, 0.5);
    --color-navbar-tm06: rgba(0, 48, 87, 0.6);
    --color-navbar-tm07: rgba(0, 48, 87, 0.7);
    --color-navbar-tm08: rgba(0, 48, 87, 0.8);
    --color-navbar-tm09: rgba(0, 48, 87, 0.9);

    --color-black-tm01: rgba(0, 0, 0, 0.1);
    --color-black-tm02: rgba(0, 0, 0, 0.2);
    --color-black-tm03: rgba(0, 0, 0, 0.3);
    --color-black-tm04: rgba(0, 0, 0, 0.4);
    --color-black-tm05: rgba(0, 0, 0, 0.5);
    --color-black-tm06: rgba(0, 0, 0, 0.6);
    --color-black-tm07: rgba(0, 0, 0, 0.7);
    --color-black-tm08: rgba(0, 0, 0, 0.8);
    --color-black-tm09: rgba(0, 0, 0, 0.9);

    --color-hover: #0186d1;


    --font-rubika: 'Rubik', sans-serif;
    --font-heebo: 'Heebo', sans-serif;
    --font-awesome: 'Font Awesome 5 Free';
    --font-arial: Arial,Helvetica,sans-serif;

}

/* ===================== 顶部固定导航栏 ===================== */
.ninian-navbar.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    /* 初始透明背景 */
    background: var(--color-black-tm01);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    z-index: 9999;
    transition: all 0.3s ease;
}
/* 滚动后导航样式：背景加深 */
.ninian-navbar.navbar.fixed {
    background: var(--color-black-tm08);
    box-shadow: 0 2px 10px var(--color-black-tm03);
}

/* 左侧Logo */
.ninian-navbar .navbar-logo {
    height: 100%;
    max-height: 100%;
    padding: 5px;
}
.ninian-navbar .navbar-logo a {
    display: inline-block;
}
.ninian-navbar .navbar-logo a,
.ninian-navbar .navbar-logo a > img {
    height: 100%;
    max-height: 100%;
}

/* 右侧容器：包裹导航菜单+搜索图标 */
.ninian-navbar .navbar-right {
    display: flex;
    align-items: center;
    gap: 30px;
}
/* 导航菜单（右对齐） */
.ninian-navbar .navbar-menu {
    display: flex;
    gap: 40px;
}
.ninian-navbar .navbar-menu li a {
    color: #fff;
    font-size: 16px;
    transition: color 0.3s;
    font-family: var(--font-rubika);
}
.ninian-navbar .navbar-menu li.active a,
.ninian-navbar .navbar-menu li a:hover {
    color: var(--color-primary);
}
/* 右侧搜索图标 */
.ninian-navbar .navbar-search {
    font-size: 22px;
    color: #fff;
    cursor: pointer;
    transition: color 0.3s;
}
.ninian-navbar .navbar-search:hover {
    color: var(--color-primary);
}

/* ===================== 全屏轮播容器 ===================== */
.ninian-carousel.carousel-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    z-index: 1;
}
.ninian-carousel .carousel-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 轮播项：淡入淡出动画 */
.ninian-carousel .carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 0;
}
.ninian-carousel .carousel-item.active {
    opacity: 1;
    z-index: 10;
}

/* 图片/视频统一全屏样式 */
.ninian-carousel .carousel-item img,
.ninian-carousel .carousel-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    object-position: center;
}

/* 文字遮罩层（避开导航栏） */
.ninian-carousel .carousel-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: var(--color-black-tm04); */
    z-index: 15;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    padding: 20px;
    padding-top: 120px; /* 避开导航栏 */
}
.ninian-carousel .mask-title {
    font-size: 52px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px var(--color-black-tm05);
    font-family: var(--font-rubika);
}
.ninian-carousel .mask-subtitle {
    font-size: 24px;
    /* max-width: 800px; */
    text-shadow: 0 2px 10px var(--color-black-tm05);
    font-family: var(--font-rubika);
}

/* 视频禁用控制栏+右键 */
.ninian-carousel .carousel-item video::-webkit-media-controls {
    display: none !important;
}

/* 轮播控制箭头 */
.ninian-carousel .carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--color-black-tm02);
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 20;
    transition: background 0.3s;
}
.ninian-carousel .carousel-arrow:hover {
    background: var(--color-black-tm06);
}
.ninian-carousel .prev-arrow { left: 20px; }
.ninian-carousel .next-arrow { right: 20px; }

/* 底部指示器 */
.ninian-carousel .carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}
.ninian-carousel .indicator {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
}
.ninian-carousel .indicator.active { background: #fff; }

/* ===================== 移动端适配 ===================== */
@media (max-width: 768px) {
    .ninian-navbar.navbar { height: 60px; padding: 0 3%; }
    .ninian-navbar .navbar-logo { font-size: 18px; }
    .ninian-navbar .navbar-menu { gap: 15px; }
    .ninian-navbar .navbar-menu li a { font-size: 14px; }
    .ninian-navbar .navbar-search { font-size: 18px; }
    .ninian-carousel .mask-title { font-size: 28px; }
    .ninian-carousel .mask-subtitle { font-size: 16px; }
    .ninian-carousel .carousel-arrow { width: 40px; height: 40px; font-size: 18px; }
}

/* 全局所有元素：按单词换行，不截断单词 */
* {
  word-break: keep-all;   /* 核心：只在单词/空格处换行，不拆分单词 */
  overflow-wrap: break-word;  /* 兜底：超长无空格字符（如长链接）自动换行 */
}