@font-face {
    font-family: 'ALiHanYiZhiNengHeiTi';
    src: url('../Fonts/ALiHanYiZhiNengHeiTi-2.ttf') format('truetype');
    font-weight: normal; /* 常规字重 */
    font-style: normal;
    font-display: swap; /* 优化加载体验 */
}

/* =========================================
   Reset & Base
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Variables */
:root {
    --bg-dark: #1a202c; /* 深蓝背景 */
    --bg-dark-lighter: #2d3748; /* 稍浅的深蓝 */
    --primary-blue: #2ea7ff; /* 亮蓝高亮 */
    --primary-gold: #ffbf2a; /* 金色高亮 */
    --text-white: #ffffff;
    --text-gray: #a0aec0; /* 次级文字 */
    --border-color: rgba(255, 255, 255, 0.1);
}

.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* =========================================
   Header (Redesigned)
   ========================================= */
.v2-header {
    width: 100%;
    /* 透明背景，叠加在 Hero 上 */
    background: transparent;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
    /* 移除边框 */
    border-bottom: none;
    padding: 20px 0;
}

.header-inner {
    min-height: 88px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Header Left - Logo */
.header-left .logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left .logo-link img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: #fff;
}

.logo-text {
    font-size: 26px;
    font-weight: 800; /* 加粗 */
    letter-spacing: 1px;
    color: #fff;
}

/* Header Right - Nav & Button */
.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.v2-nav ul {
    display: flex;
    align-items: center;
    gap: 28px;
}


.v2-nav a {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
    position: relative;
    display: inline-block;
    padding: 8px 0 10px;
    transition: color 0.22s ease;
}

.v2-nav a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 2px;
    width: 100%;
    height: 3px;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    opacity: 0;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        rgba(46, 167, 255, 0) 0%,
        rgba(46, 167, 255, 0.95) 35%,
        rgba(92, 225, 255, 1) 50%,
        rgba(46, 167, 255, 0.95) 65%,
        rgba(46, 167, 255, 0) 100%
    );
    box-shadow: 0 0 10px rgba(46, 167, 255, 0.25);
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.v2-nav a:hover,
.v2-nav a.active {
    color: #fff;
    font-weight: 600;
}

.v2-nav a:hover::after,
.v2-nav a.active::after {
    transform: translateX(-50%) scaleX(1);
    opacity: 1;
}

/* 免费试用 Button - Pill Shape */
.btn-trial {
    display: inline-block;
    padding: 10px 25px;
    background-color: #5A626C; /* 灰色背景 */
    color: #fff;
    border-radius: 50px; /* Pill shape */
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    backdrop-filter: none;
}

.btn-trial:hover {
    background-color: #6c757d;
    transform: translateY(-1px);
}

/* =========================================
   main Content Area
   ========================================= */
.v2-main {
    min-height: calc(100vh - 400px);
}

/* =========================================
   Footer (Redesigned)
   ========================================= */
.v2-footer {
    background-color: #1a222e; /* 统一深海军蓝背景 */
    color: var(--text-white);
    padding-top: 80px;
    font-size: 14px;
    border-top: none; /* 移除顶部边框 */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); /* 细分隔线 */
}

.footer-col {
    flex: 1;
    padding-right: 30px;
}

.footer-col.brand-col {
    flex: 1.4;
}

.footer-logo {
    font-size: 39px;
    font-weight: 400;
    font-family: 'ALiHanYiZhiNengHeiTi', sans-serif;
    color: #ffffff;
    letter-spacing: 2px; 
    margin-bottom: 18px;
}

.footer-title {
    font-size: 20px; /* 加大标题 */
    margin-bottom: 30px;
    color: #fff;
    letter-spacing: 0.5px;
}

/* Footer Col 1 */
.brand-desc {
    color: #cbd5e0; /* 浅灰 */
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 320px;
    font-size: 14px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.icon-box {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.1); /* 半透明灰蓝 */
    border-radius: 8px; /* 圆角矩形 */
    color: #fff;
    transition: all 0.3s;
    border: none;
    position: relative;
}

.icon-pop {
    display: none;
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.95);
    color: #fff;
    border-radius: 10px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
    z-index: 20;
}

.icon-pop::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 7px solid rgba(15, 23, 42, 0.95);
}

.icon-box:hover .icon-pop {
    display: block;
}

.icon-pop-img {
    padding: 10px;
    width: 140px;
}

.icon-pop-img img {
    width: 120px;
    height: 120px;
    display: block;
    border-radius: 8px;
    background: #fff;
    max-width: none;
}

.icon-pop-text {
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
    text-align: center;
}

.contact-icon {
    width: 20px;
    height: 20px;
}

.icon-box:hover {
    background-color: var(--primary-blue);
    transform: translateY(-3px);
}

/* Footer Col 2 - Products */
.prod-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.prod-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.prod-item span {
    font-size: 13px;
    color: #a0aec0;
    display: block;
}

/* Footer Col 3 - Links */
.link-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.link-list a {
    color: #cbd5e0;
    transition: color 0.3s;
    font-size: 15px;
}

.link-list a:hover {
    color: var(--primary-blue);
    padding-left: 5px; /* 悬停右移效果 */
}

/* Footer Col 4 - Contact */
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #cbd5e0;
    font-size: 14px;
    line-height: 1.5;
}

.c-icon {
    width: 18px;
    height: 18px;
    color: var(--primary-blue); /* 蓝色图标 */
    flex-shrink: 0;
    margin-top: 3px;
}

/* Footer Bottom */
.footer-bottom {
    background-color: transparent; /* 与 Footer 背景统一 */
    padding: 30px 0;
    text-align: center;
    border-top: none; /* 分隔线已在 footer-content */
}

.footer-bottom p {
    color: #718096;
    font-size: 12px;
    line-height: 1.8;
}

.footer-bottom a{
    color: #718096;
    font-size: 12px;
    line-height: 1.8;
    text-decoration: none;
}