/* ==========================================================================
   💎 StrikeSense 官方网站 - 极简明亮水色 / 冰晶天蓝浅色系 (Light Aqua Theme) 
   ========================================================================== */
:root {
    --bg-main: #f0f7ff;       /* 极浅的微蓝白底色 */
    --bg-card: #ffffff;       /* 纯白卡片底色 */
    --bg-sub: #eef8ff;        /* 柔和的浅天蓝交替块底色 */
    --text-main: #004a80;     /* 深水蓝 (主标题与正文文字，沉稳清晰) */
    --text-dim: #5c85a3;      /* 灰蓝色调（辅助文字） */
    
    /* 💎 焕然一新的水蓝色系配色 (Sky & Water Blue) */
    --col-td: #0077cc;        /* 核心水蓝色 (标题与主按钮文字) */
    --col-tb: #0099ff;        /* 亮天蓝色 (点缀与高光) */
    --col-bb: #e0f2ff;        /* 冰蓝色填充 (按钮与徽章背景) */
    --col-bp: #aaddff;        /* 柔和水蓝色高光边框 */
    --col-warning: #ff6666;   /* 警告淡红 (保持警示性) */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(243, 250, 252, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(9, 114, 122, 0.1);
    z-index: 1000;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--col-td);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin: 0 18px;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--col-tb);
}

/* 手机端菜单切换键 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--col-td);
    transition: all 0.3s ease;
}

.nav-download-btn { display: inline-block; }
.mobile-download-btn { display: none; }

/* 按钮通用样式 (16px对应源码平滑 AddArc 16 弧度) */
.btn {
    display: inline-block;
    padding: 9px 24px;
    border-radius: 16px; 
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--col-bb);
    color: var(--col-td);
    border: 1px solid var(--col-bp);
}

.btn-primary:hover {
    background-color: #bbf3f5;
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.2);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid rgba(9, 114, 122, 0.2);
}

.btn-secondary:hover {
    background-color: var(--bg-main);
    border-color: var(--col-tb);
}

.btn-lg {
    padding: 13px 36px;
    font-size: 16px;
    border-radius: 20px;
}

/* Hero 欢迎区 */
.hero {
    padding: 180px 0 110px 0;
    background: radial-gradient(circle at 50% 30%, rgba(20, 184, 166, 0.1) 0%, transparent 65%);
    text-align: center;
}

.badge {
    display: inline-block;
    background-color: var(--col-bb);
    border: 1px solid var(--col-bp);
    color: var(--col-td);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 46px;
    font-weight: 800;
    margin-bottom: 22px;
    color: var(--text-main);
}

.subtitle {
    max-width: 760px;
    margin: 0 auto 42px auto;
    font-size: 17px;
    color: var(--text-dim);
}

.hero-btns .btn {
    margin: 0 10px;
}

/* 公共标题 */
.section-header {
    text-align: center;
    margin-bottom: 65px;
}

.section-header h2 {
    font-size: 32px;
    color: var(--text-main);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-dim);
}

/* 产品介绍 */
.about-section {
    padding: 90px 0;
    background-color: var(--bg-card);
    border-top: 1px solid rgba(9, 114, 122, 0.05);
    border-bottom: 1px solid rgba(9, 114, 122, 0.05);
}

.about-text {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    font-size: 17px;
    color: var(--text-main);
}

.about-text strong {
    color: var(--col-td);
}

/* 💎 软件实战截图展示区 */
.showcase-section {
    padding: 100px 0;
}

.showcase-list {
    display: flex;
    flex-direction: column;
    gap: 70px;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 50px;
}

.showcase-item.reverse {
    flex-direction: row-reverse;
}

.showcase-img {
    flex: 1.2;
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 3px solid #ffffff;
    box-shadow: 0 12px 30px rgba(9, 114, 122, 0.1);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.showcase-img:hover {
    border-color: var(--col-bp);
    box-shadow: 0 15px 35px rgba(20, 184, 166, 0.15);
}

.showcase-img img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.showcase-info {
    flex: 1;
}

.module-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: bold;
    color: var(--col-td);
    background-color: var(--col-bb);
    padding: 4px 14px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.warning-tag {
    color: var(--col-warning);
    background-color: rgba(255, 77, 77, 0.1);
}

.showcase-info h3 {
    font-size: 24px;
    color: var(--text-main);
    margin-bottom: 15px;
}

.showcase-info p {
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.7;
}

/* 技术特性网格 */
.features-section {
    padding: 100px 0;
    background-color: var(--bg-sub);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-card);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(9, 114, 122, 0.03);
    border: 1px solid rgba(9, 114, 122, 0.02);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--col-bp);
    box-shadow: 0 10px 25px rgba(9, 114, 122, 0.08);
}

/* 矢量SVG图标样式 */
.icon-wrap {
    width: 46px;
    height: 46px;
    color: var(--col-td);
    margin-bottom: 22px;
}

.icon-wrap svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 19px;
    color: var(--text-main);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 14px;
}

/* 超频警告框 */
.rage-section {
    padding: 50px 0;
}

.rage-box {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 77, 77, 0.3);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(255, 77, 77, 0.05);
}

.rage-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--col-warning);
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 15px;
}

.icon-inline {
    width: 18px;
    height: 18px;
}

.rage-box h2 {
    font-size: 25px;
    color: var(--text-main);
    margin-bottom: 15px;
}

.warning-text {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(9, 114, 122, 0.05);
    color: var(--text-dim);
}

/* 常见问题 */
.faq-section {
    padding: 100px 0;
    background-color: var(--bg-card);
}

.faq-list {
    max-width: 850px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-main);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid rgba(9, 114, 122, 0.05);
}

.faq-question {
    padding: 20px 25px;
    font-size: 16px;
    font-weight: bold;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    transition: background-color 0.3s;
}

.faq-question:hover {
    background-color: var(--bg-sub);
}

.faq-question::after {
    content: '▼';
    font-size: 11px;
    color: var(--text-dim);
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(180deg);
}

/* 高亮突出选择我们的问题 */
.faq-question.font-highlight-main {
    color: #025a61;
    background-color: var(--col-bb);
}
.faq-question.font-highlight-main:hover {
    background-color: #bbf3f5;
}

.faq-question.font-highlight {
    color: var(--col-td);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    color: var(--text-main);
    font-size: 15px;
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 800px; /* 调大以完美容纳长文案内容 */
    border-top: 1px solid rgba(9, 114, 122, 0.08);
    background-color: #ffffff;
}

.faq-answer p {
    margin-bottom: 12px;
}
.faq-answer p:last-child {
    margin-bottom: 0;
}

/* 页脚 */
.footer {
    padding: 80px 0 40px 0;
    background-color: #e3eff2;
    text-align: center;
    border-top: 1px solid rgba(9, 114, 122, 0.1);
}

.footer h3 {
    font-size: 24px;
    color: var(--text-main);
    margin-bottom: 10px;
}

.footer p {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 30px;
}

.copyright {
    margin-top: 60px;
    font-size: 12px !important;
    color: var(--text-dim) !important;
    opacity: 0.7;
}

/* ==========================================================================
   📱 完美手机端与移动端响应式布局适配 (Media Queries)
   ========================================================================== */
@media (max-width: 992px) {
    .showcase-item, .showcase-item.reverse {
        flex-direction: column;
        gap: 25px;
    }
    .showcase-img, .showcase-info {
        width: 100%;
        flex: none;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 75px;
        left: 0;
        width: 100%;
        height: calc(100vh - 75px);
        background-color: var(--bg-main);
        flex-direction: column;
        padding-top: 40px;
        gap: 25px;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        border-top: 1px solid rgba(9, 114, 122, 0.1);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        margin: 0;
        font-size: 18px;
    }

    .nav-download-btn { display: none; }
    .mobile-download-btn { display: inline-block; width: 80%; margin-top: 20px; }

    .menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.open span:nth-child(2) { opacity: 0; }
    .menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .hero { padding: 140px 0 70px 0; }
    .hero h1 { font-size: 30px; }
    .subtitle { font-size: 15px; }
    .section-header { margin-bottom: 40px; }
    .section-header h2 { font-size: 26px; }
    
    .showcase-list { gap: 50px; }
    .showcase-info h3 { font-size: 20px; }
    
    .features-grid { grid-template-columns: 1fr; }
    .rage-box { padding: 25px; }
}

/* ==========================================================================
   📊 QA 任务管理器内存截图对比专属样式 (浅水色系强化)
   ========================================================================== */

/* 稍微调大整体 FAQ 面板最大高度限制，防止新加的图片内容在动画时被截断 */
.faq-item.active .faq-answer {
    max-height: 1200px; /* 从原先的800px扩大到1200px */
}

.compare-box-wrapper {
    margin-top: 25px;
    padding: 20px;
    background-color: var(--bg-main);
    border-radius: 10px;
    border: 1px solid rgba(9, 114, 122, 0.08);
}

.compare-box-title {
    font-size: 15px;
    color: var(--col-td);
    margin-bottom: 15px;
    font-weight: bold;
    display: flex;
    align-items: center;
}

/* PC端采用左右并排双列布局 */
.compare-flex-container {
    display: flex;
    gap: 20px;
}

.compare-process-card {
    flex: 1;
    background: #ffffff;
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(9, 114, 122, 0.03);
    transition: transform 0.2s;
}

.compare-process-card:hover {
    transform: translateY(-2px);
}

/* 优秀产品亮水色绿/蓝边框，劣质产品警告淡红边框 */
.compare-process-card.card-good {
    border: 1px solid rgba(20, 184, 166, 0.3);
}

.compare-process-card.card-bad {
    border: 1px solid rgba(255, 77, 77, 0.25);
}

/* 卡片头部名称与SVG */
.compare-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.compare-process-name {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-main);
}

/* 矢量SVG标志容器包装 */
.compare-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.icon-check {
    background-color: rgba(20, 184, 166, 0.15);
    color: var(--col-td); /* 晶莹青色勾 */
}

.icon-cross {
    background-color: rgba(255, 77, 77, 0.12);
    color: var(--col-warning); /* 警告红色叉 */
}

.compare-icon svg {
    width: 12px;
    height: 12px;
}

/* 任务管理器截图专用外观样式（对应长条矮图） */
.compare-process-img-box {
    background-color: #fafbfc;
    border: 1px solid #e1e8ea;
    border-radius: 4px;
    overflow: hidden;
    padding: 6px; /* 给任务管理器留出一圈好看的内白边 */
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-process-img-box img {
    width: 100%;
    height: auto; /* 自动保持长条矮图比例，不拉伸变形 */
    display: block;
    object-fit: contain;
}

/* 底部结论标签 */
.compare-status-text {
    margin-top: 10px;
    font-size: 12px;
    font-weight: 500;
}

.text-good {
    color: #0d8a7f;
}

.text-bad {
    color: #d94141;
}

/* ==========================================================================
   📱 完美手机端移动响应式重写
   ========================================================================== */
@media (max-width: 768px) {
    /* 手机端空间太窄，两张长条进程截图自动变成上下垂直单列铺满 */
    .compare-flex-container {
        flex-direction: column;
        gap: 15px;
    }
    .compare-box-wrapper {
        padding: 12px;
    }
}