@charset "utf-8";
/* ========== CSS Reset & Base ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* blue */
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2640;
    --color-primary-light: #2c5f8a;
    /* golden */
    --color-accent: #c8963e;
    --color-accent-hover: #b8862d;
    --color-accent-light: #f5e6d0;
    /* middle */
    --color-white: #ffffff;
    --color-off-white: #f8f7f4;
    --color-gray-50: #f5f5f0;
    --color-gray-100: #e8e8e0;
    --color-gray-200: #d1d1c8;
    --color-gray-300: #b0b0a5;
    --color-gray-500: #6b6b60;
    --color-gray-700: #3d3d35;
    --color-gray-800: #2a2a22;
    --color-gray-900: #1a1a15;
    /* Functional color */
    --color-success: #2d7d46;
    --color-border: #d9d9d0;
    --color-shadow: rgba(0, 0, 0, 0.06);
    --color-shadow-lg: rgba(0, 0, 0, 0.12);
    /* font */
    --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-serif: 'Georgia', 'Times New Roman', 'Noto Serif SC', serif;
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;
    /* Round corners */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    /* Transition */
    --transition-base: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    line-height: 1.7;
    min-height: 100vh;
}

/* ========== Typography ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-primary-dark);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}
h2 {
    font-size: 1.875rem;
    letter-spacing: -0.01em;
}
h3 {
    font-size: 1.375rem;
}
h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-base);
}
a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}
a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}
.text-left {text-align:left !important;justify-content: flex-start;align-items: flex-start;}
.text-right {text-align:right !important;}
.text-center {text-align:center !important;}
.cmcfirms_pic_100 {width:100%;overflow:hidden;text-align:center;margin:0 auto;}
.cmcfirms_wrap{ word-wrap:break-word; overflow-wrap:break-word;}
.selector {letter-spacing: -1px; /* 减少字符之间的空间 */}

/* ========== menu ========== */
.main-nav .dropdown {
    position: relative;
}

/* 子菜单默认隐藏（桌面端） */
.sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) 0;
    min-width: 220px;
    list-style: none;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    z-index: 1000;
}

.sub-menu li a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-gray-700);
    font-size: 0.9rem;
    white-space: nowrap;
    border-bottom: none !important; 
    font-weight: 400;
}

.sub-menu li a:hover {
    background-color: var(--color-accent-light);
    color: var(--color-primary-dark);
    border-bottom: none !important;
    text-decoration: none;
}

/* 桌面端鼠标悬停显示子菜单 */
.main-nav .dropdown:hover .sub-menu {
    display: block;
}
/* 为二级菜单的父链接自动添加下拉箭头 */
.main-nav .dropdown > a::after {
    content: ' ▾';
    font-size: 1.5em;
    vertical-align: middle;
    color: red;       /* 默认红色 */
    display: inline-block;              /* 必须放在基础样式中 */
    transition: transform 0.3s ease;    /* 旋转过渡也放在基础样式中 */
}

/* 鼠标悬停时箭头旋转180度并变为红色 */
.main-nav .dropdown:hover > a::after {
    transform: rotate(180deg);
    color: red;
}

/* ========== Utility ========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-accent { color: var(--color-accent); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mb-0 { margin-bottom: 0; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ========== Top Bar ========== */
.top-bar {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    font-size: 0.8125rem;
    padding: 6px 0;
}
.top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}
.top-bar a {
    color: var(--color-accent-light);
    font-weight: 500;
}
.top-bar a:hover {
    color: var(--color-white);
    text-decoration: none;
}
.top-bar__lang a {
    margin-left: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ========== Header / Navigation ========== */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 4px var(--color-shadow);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.logo:hover {
    text-decoration: none;
    color: var(--color-primary-dark);
}
.logo__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 84px;
    height: 64px;
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.logo__text small {
    display: block;
    font-size: 0.625rem;
    font-weight: 400;
    color: var(--color-gray-500);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}
.main-nav a {
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-base), border-color var(--transition-base);
    white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-accent);
    text-decoration: none;
}
.main-nav a.active {
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.375rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}
.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}
.btn--primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-white);
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
}
.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}
.btn--lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}
.btn--sm {
    padding: 0.4rem 1rem;
    font-size: 0.8125rem;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-primary-dark);
    flex-shrink: 0;
}
.menu-toggle span {
    display: block;
    width: 38px;      /* 横线更长 */
    height: 4px;      /* 横线更粗 */
    background-color: currentColor;
    margin: 7px 0;    /* 线条间距更大 */
    transition: var(--transition-base);
    border-radius: 2px;
}

@media (max-width: 768px) {
    /* 原有汉堡按钮样式 完全保留 */
    .menu-toggle {
        display: flex;
        margin-left: auto;
        padding-right: var(--spacing-md);
        color: #ff0000;
        padding: 10px 14px; /* 加大点击区域 */
    }

    /* ========== 新增：移动端导航菜单配置 ========== */
    /* 菜单外层容器整体靠右 */
    .main-nav {
        text-align: right !important;
    }
    /* 列表项 + 链接：固定行高41px + 靠右对齐 */
    .main-nav li,
    .main-nav a {
        line-height: 3px;  /* 要求行高 41px */
        text-align: left;  /* 文字靠右 */
        display: block;     /* a标签转为块级，占满整行，对齐生效 */
        width: 100%;
        font-size:1.3rem;
    }
}

/* ========== Hero Section ========== */
.hero {
    color: var(--color-white);
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;

    /* 半透明渐变叠加图片，图片高度撑满、宽度自适应 */
    background: 
        linear-gradient(135deg, rgba(15,38,64,0.5) 0%, rgba(26,58,92,0.4) 100%),
        url('../images/pro.jpg') right top / auto 100% repeat;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200, 150, 62, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* Hero 内部 Flex 横向排列 - 桌面端 */
.hero__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 1;
    width: 100%; /* 新增：强制容器占满宽度 */
    box-sizing: border-box;
}

/* 左侧文字区域 */
.hero__content {
    flex: 1 1 100%;
    max-width: 700px;
    width: 100%; /* 新增：Flex子项显式宽度，防止被挤压 */
    box-sizing: border-box;
}

/* 右侧图片区域 */
.hero__image {
    flex: 1 1 40%;
    min-height: 300px;
    background-image: url('../images/pro-right.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

/* ========== 合并移动端媒体查询（原2个重复查询合并） ========== */
@media (max-width: 768px) {
    .hero {
        background-size: auto 100%, auto 100%;
    }

    /* 核心修复：移动端 Flex 改为上下堆叠，不再横向挤压 */
    .hero__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    /* 移动端解除 700px 最大宽度限制，全屏展示 */
    .hero__content {
        max-width: 100% !important;
    }

    .hero__image {
        min-height: 200px;
        flex: 1 1 auto;
        width: 100%;
    }
}

/* 标签模块 - 最终修复版 */
.hero__badge {
    width: 81%;
    max-width: 81%;
    display: block;
    box-sizing: border-box;
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--color-accent-light);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.375rem 1rem;
    border-radius: 999px; /* 胶囊圆角保持不变 */
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 0.15);

    /* 修复：文字强制自动换行 */
    white-space: normal;
    word-break: break-all;
    overflow-wrap: break-word;
    /* 修复：内容不溢出，彻底解决圆角被遮挡（右下角直角假象） */
    overflow: hidden;
    /* 兜底：禁止Flex挤压当前元素 */
    flex-shrink: 0;
}

.hero h1 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}
.hero h1 span {
    color: var(--color-accent);
}
.hero__subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}
.hero__actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.hero__actions .btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}
.hero__actions .btn--outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}
.hero__actions .btn--outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    color: var(--color-white);
}

/* ========== Section Styles ========== */
.section {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl); /* 上3rem，下2rem */
}
.section--alt {
    background-color: var(--color-off-white);
}
.section__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--spacing-3xl);
}
.section__label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}
.section__header h2 {
    margin-bottom: var(--spacing-md);
}
.section__header p {
    font-size: 1.1rem;
    color: var(--color-gray-500);
}

/* ========== Cards Grid ========== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}
.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
    display: flex;
    flex-direction: column;
}
.card:hover {
    box-shadow: 0 8px 30px var(--color-shadow-lg);
    transform: translateY(-2px);
}
.card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    flex-shrink: 0;
    align-self: center;
}
.card h3 {
    margin-bottom: var(--spacing-sm);
}
.card__price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}
.card__meta {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}
.card__footer {
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-100);
    text-align: center;
}

/* ========== Feature List ========== */
.feature-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-md);
}
.feature-list li {
    padding-left: 1.75rem;
    position: relative;
    color: var(--color-gray-700);
}
.feature-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-success);
    font-weight: 700;
    font-size: 0.9rem;
}
/* 奖杯符号🏆 */
.feature-list-award {
    list-style: none;          /* 隐藏默认圆点 */
    padding-left: 0;           /* 可选：去掉默认缩进，让图标对齐更干净 */
}
.feature-list-award li {
    position: relative;        /* 如果图标需要绝对定位，这里保留；如果是相对定位则非必须 */
    padding-left: 1.8rem;      /* 为图标留出空间 */
}
.feature-list-award li::before {
    content: "\1F3C6";   /* 或 "\01F3C6" */
    position: absolute;        /* 建议使用 absolute，配合 li 的 relative 定位更精准 */
    left: 0;
    top: 0;
    font-size: 0.9rem;
    /* 其他样式如颜色等可自行添加 */
}

/* ========== Two Column ========== */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}
.two-col--wide-left {
    grid-template-columns: 1.2fr 1fr;
}

/* ========== Info Box ========== */
.info-box {
    background-color: var(--color-white);   /* 修复了原 varvar 错误 */
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--spacing-xl) 0;
}
.info-box h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary-dark);
}
.info-box p {
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* ========== Verification Links ========== */
.verify-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    align-items: center;
}
.verify-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}
.verify-link:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px var(--color-shadow);
    text-decoration: none;
}

/* ========== Footer ========== */
.site-footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}
.footer-grid h4 {
    color: var(--color-white);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-grid ul {
    list-style: none;
}
.footer-grid ul li {
    margin-bottom: var(--spacing-xs);
}
.footer-grid ul a {
    color: var(--color-gray-300);
    font-size: 0.875rem;
}
.footer-grid ul a:hover {
    color: var(--color-white);
    text-decoration: none;
}
.footer-brand p {
    color: var(--color-gray-300);
    font-size: 0.875rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .two-col,
    .two-col--wide-left {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 6px 20px var(--color-shadow-lg);
    }
    .main-nav.open {
        display: flex;
    }

    /* ---------- 移动端子菜单适配 ---------- */
    .main-nav .dropdown .sub-menu {
        display: block;          /* 直接显示，不再隐藏 */
        position: static;        /* 取消绝对定位，回归正常文档流 */
        box-shadow: none;
        border: none;
        background-color: transparent;
        padding: 0 0 0 1.2rem;   /* 左侧缩进，体现层级关系 */
        margin-top: 0.25rem;
    }
    .sub-menu li a {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        border-bottom: none !important;
    }

    .header-cta {
        display: none;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero__subtitle {
        font-size: 1rem;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .verify-links {
        flex-direction: column;
        align-items: flex-start;
    }
}