/* 1. 全局基础设置  */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: #000;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

#container {
    position: relative;
    width: 100%;
}

/* 背景粒子画布 */
#neural-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    background: #000;
}

/* 2. 导航栏 */
.daohang-lan {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: block;
    width: 100%;
    height: 70px;
    padding: 0 5%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0; 
    white-space: nowrap;
}

/* 导航三段式通用样式 */
.daohang-lan .nav-left,
.daohang-lan .nav-center,
.daohang-lan .nav-right {
    display: inline-block;
    vertical-align: middle;
    height: 70px;
    line-height: 70px;
    font-size: 14px;
}

/* 左侧：链接 */
.daohang-lan .nav-left {
    width: 33.3%;
    text-align: left;
}

.daohang-lan .nav-left a {
    display: inline-block;
    margin-right: 25px;
    color: #ccc;
    text-decoration: none;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    line-height: normal;
    transition: 0.3s ease;
}

.daohang-lan .nav-left a:hover {
    color: #ff4500;
}

/* 中间：Logo */
.daohang-lan .nav-center {
    width: 33.4%;
    text-align: center;
}

.nav-center .logo-row {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    height: 70px;
    vertical-align: middle;
}

.biaozhi {
    height: 22px;
    filter: brightness(1.2);
}

.mingzi {
    margin: 0;
    color: #fff;
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 5px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* 右侧：工具栏 */
.daohang-lan .nav-right {
    width: 33.3%;
    text-align: right;
}

.search-bar {
    display: inline-flex;
    align-items: center;
    padding: 2px 5px;
    margin-right: 20px;
    border-bottom: 1px solid #333;
    line-height: normal;
}

.search-bar input {
    width: 70px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 10px;
    outline: none;
}

.Shopping {
    display: inline-block;
    position: relative;
    margin-right: 20px;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    line-height: normal;
    vertical-align: middle;
}

.Shopping-number {
    position: absolute;
    top: -8px;
    right: -10px;
    padding: 1px 4px;
    background: #ff4500;
    border-radius: 10px;
    color: #fff;
    font-size: 9px;
    line-height: 1;
}

.login-link {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid #ff4500;
    color: #ff4500;
    text-decoration: none;
    font-size: 11px;
    line-height: normal;
    vertical-align: middle;
    transition: 0.3s;
}

.login-link:hover {
    background: #ff4500;
    color: #fff;
}

/* 3. 横幅与媒体 (Banner & Media) */
.banner {
    position: relative;
    width: 100%;
    height: 75vh;
    overflow: hidden;
}

.huadong {
    display: flex;
    width: 100%;
    height: 100%;
    overflow-x: auto;
    scrollbar-width: none;
}

.huadong::-webkit-scrollbar {
    display: none;
}

.huanye {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
}

.huanye img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

.banner .xinxi {
    position: absolute;
    bottom: 60px;
    left: 8%;
    z-index: 5;
}

.banner .xinxi h2 {
    margin-top: 15px;
    font-size: 28px;
    font-weight: 200;
    letter-spacing: 6px;
}

/* 媒体视频模块 */
.meiti {
    width: 100%;
    padding: 120px 8%;
    background: #050505;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.meiti-container {
    max-width: 1100px;
    margin: 0 auto;
    overflow: hidden;
}

.video-box {
    float: left;
    width: 52%;
    aspect-ratio: 4 / 3;
    border: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.video-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.text-box {
    float: right;
    width: 40%;
    padding-top: 30px;
}

.ying-text {
    margin-bottom: 20px;
    color: #ff4500;
    font-size: 10px;
    letter-spacing: 3px;
}

.text-box h3 {
    margin: 20px 0;
    font-size: 26px;
    font-weight: 300;
    line-height: 1.5;
}

.zhong-text {
    color: #555;
    font-size: 13px;
    line-height: 2;
}

/* 4. 主视觉与列表 (Main Vision & List)*/
.zhujue {
    width: 100%;
    padding: 100px 8%;
    overflow: hidden;
}

.zhujue > div:first-child {
    float: left;
    width: 52%;
}

.zhujue > div:last-child {
    float: right;
    width: 40%;
    padding-top: 40px;
}

.haibao {
    width: 100%;
    max-width: 500px;
    filter: grayscale(1);
    box-shadow: 0 20px 60px rgba(0,0,0,0.9);
}

.dazi {
    margin-bottom: 30px;
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
}

/* 跑马灯列表 */
.tuijian-liebiao {
    padding: 80px 5%;
    text-align: center;
}

.guidao {
    max-width: 1100px;
    margin: 0 auto;
    background: #080808;
    border: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.shichuang {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.paomadeng {
    animation: ticketScroll 15s linear infinite;
}

.xiangmu {
    padding: 20px 25px;
    border-bottom: 1px solid #151515;
    font-family: "Courier New", Courier, monospace;
    font-size: 0;
    color: #777;
    transition: 0.3s;
}

.xiangmu span {
    display: inline-block;
    width: 25%;
    font-size: 11px;
    text-align: left;
    vertical-align: middle;
}

.xiangmu:hover {
    background: rgba(255, 69, 0, 0.1);
    color: #fff;
}

@keyframes ticketScroll {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

/*5. 商品展示 (Products) */
.guanyu {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 8%;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.shangpin-ka {
    float: left;
    width: 47%;
    margin-right: 6%;
    background: #080808;
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: 0.5s ease;
    overflow: hidden;
}

.shangpin-ka:last-child {
    margin-right: 0;
}

.shangpin-ka:hover {
    border-color: #ff4500;
    transform: translateY(-10px);
}

.shangpin-tu {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    filter: grayscale(0.5);
    transition: 0.5s;
}

.shangpin-ka:hover .shangpin-tu {
    filter: grayscale(0);
}

.shangpin-xinxi {
    padding: 30px;
}

.jiage {
    margin-bottom: 20px;
    color: #ff4500;
    font-family: "Courier New", Courier, monospace;
    font-size: 18px;
}

.goumai-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid #333;
    color: #fff;
    cursor: pointer;
    transition: 0.3s;
}

.goumai-btn:hover {
    background: #fff;
    color: #000;
}

/* 6. 页脚与弹窗 (Footer & Modal) */
footer.big-ft {
    margin-top: 80px;
    padding: 100px 6% 40px;
    background: #000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ft-container {
    max-width: 1400px;
    margin: 0 auto;
    font-size: 0;
    text-align: center;
}

.ft-text,
.ft-center {
    display: inline-block;
    vertical-align: top;
    font-size: 14px;
}

.ft-text {
    width: 28%;
    text-align: left;
}

.ft-center {
    width: 44%;
    text-align: center;
}

.ft-text h4 {
    margin-bottom: 30px;
    color: #ff4500;
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.ft-text a {
    display: block;
    margin-bottom: 15px;
    color: #555;
    text-decoration: none;
    font-size: 12px;
    transition: 0.3s;
}

.ft-text a:hover {
    color: #fff;
}

.ft-text.right {
    text-align: right;
}

.ft-center .big-logo {
    margin-bottom: 25px;
    color: #fff;
    font-size: 32px;
    font-weight: 200;
    letter-spacing: 15px;
    text-transform: uppercase;
}

.ft-center p {
    color: #555;
    font-size: 13px;
    line-height: 2;
}

/* 底部版权条 */
.ft-bottom-line {
    margin-top: 100px;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    color: #222;
    font-size: 9px;
    overflow: hidden;
}

.ft-bottom-line div:first-child { float: left; }
.ft-bottom-line div:last-child { float: right; }

/* 登录/注册弹窗 */
.tc {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
}

.tc-box {
    position: relative;
    width: 350px;
    padding: 40px;
    background: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #444;
    font-size: 24px;
    cursor: pointer;
}

.tc-nav {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid #111;
}

.t-btn {
    padding-bottom: 10px;
    background: none;
    border: none;
    color: #444;
    font-size: 14px;
    cursor: pointer;
}

.t-btn.active {
    border-bottom: 2px solid #ff4500;
    color: #ff4500;
}

.ipt {
    margin-bottom: 20px;
}

.ipt label {
    display: block;
    margin-bottom: 8px;
    color: #ff4500;
    font-size: 10px;
}

.ipt input {
    width: 100%;
    padding: 12px;
    background: #111;
    border: 1px solid #222;
    color: #fff;
    outline: none;
}

.go {
    width: 100%;
    padding: 15px;
    background: #ff4500;
    border: none;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
}
/* 视频容器设为相对定位 */
.video-box {
    position: relative;
    overflow: hidden;
}

/* 底部进度条背景槽 */
.video-box::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 10;
}

/* 动态进度条填充 */
/* 这里用 CSS 动画模拟一个 10 秒的进度循环（你可以根据视频实际长度调整时间） */
.video-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: #ff4500; 
    z-index: 11;
    animation: videoProgress 10s linear infinite;
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.5);
}

@keyframes videoProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.video-box::before {
    content: '▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 50px;
    color: rgba(255, 255, 255, 0.3);
    z-index: 5;
    opacity: 0;
    transition: 0.3s;
    pointer-events: none;
}

.video-box:hover::before {
    opacity: 1;
}