/* ========== 全局重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色：红色 */
    --color-primary: #d32f2f;         /* 主红 */
    --color-primary-dark: #b71c1c;    /* 深红（hover） */
    --color-primary-light: #ffebee;   /* 浅红（背景） */

    /* 文字 */
    --color-text: #222222;
    --color-text-secondary: #666666;
    --color-text-hint: #999999;

    /* 背景 */
    --color-bg: #ffffff;
    --color-bg-gray: #f5f5f5;
    --color-bg-card: #ffffff;

    /* 边框 */
    --color-border: #e0e0e0;
    --color-border-red: #d32f2f;

    /* 尺寸 */
    --container-max: 1200px;
    --header-height: 64px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;

    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-primary);
}

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

/* ========== 通用容器 ========== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 顶部导航 ========== */
.site-header {
    background: var(--color-bg);
    height: var(--header-height);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: bold;
    color: var(--color-primary);
}

.logo img {
    height: 36px;
    margin-right: 8px;
}

.logo-text {
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    color: var(--color-text);
    font-weight: 500;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-greeting {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* 描边按钮（注册） */
.btn-outline {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--color-border-red);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

/* 文字链接按钮（登录/退出） */
.btn-link {
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

.btn-link:hover {
    color: var(--color-primary);
}

/* ========== 主内容 ========== */
.site-main {
    flex: 1;
    padding: 32px 0;
}

/* ========== 通用按钮 ========== */
.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 32px;
    background: #fff;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--color-primary-light);
}

/* ========== 表单 ========== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-select {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border: 1px solid var(--color-border-red);
    border-radius: var(--radius-md);
    font-size: 15px;
    background: #fff;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
    color: var(--color-text-hint);
}

/* ========== 卡片 ========== */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--color-bg-gray);
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 13px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a {
    color: var(--color-text-secondary);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-links .divider {
    color: var(--color-border);
}


/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .header-inner {
        padding: 0 12px;
    }

    .header-left {
        gap: 20px;
    }

    .main-nav {
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }

    .logo {
        font-size: 18px;
    }

    .logo img {
        height: 28px;
    }

    .user-greeting {
        display: none;
    }

    .site-main {
        padding: 16px 0;
    }
}

@media (max-width: 480px) {
    .main-nav {
        gap: 12px;
    }

    .nav-link {
        font-size: 13px;
    }

    .btn-outline {
        padding: 5px 12px;
        font-size: 13px;
    }

    .btn-link {
        font-size: 13px;
    }
}
/* ========== 首页 - 搜索框 ========== */
.search-hero {
    max-width: 720px;
    margin: 0 auto 40px;
}

.search-form {
    display: flex;
    gap: 12px;
    background: #fff;
    padding: 8px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.search-input {
    flex: 1;
    height: 48px;
    padding: 0 16px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 16px;
    outline: none;
    color: var(--color-text);
}

.search-input::placeholder {
    color: var(--color-text-hint);
}

.search-input:focus {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-btn {
    height: 48px;
    padding: 0 40px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

/* ========== 首页 - 轮播图 ========== */
.carousel {
    position: relative;
    width: 100%;
    height: 360px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
    user-select: none;
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.4s ease;
}

.carousel-slide {
    flex: 0 0 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    position: relative;
}

.slide-content {
    text-align: center;
    padding: 20px;
}

.slide-content h2 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.slide-content p {
    font-size: 18px;
    opacity: 0.92;
}

/* 5 张幻灯片各自的渐变色（占位，后续可换成图片） */
.slide-1 { background: linear-gradient(135deg, #d32f2f, #b71c1c); }
.slide-2 { background: linear-gradient(135deg, #c62828, #8e0000); }
.slide-3 { background: linear-gradient(135deg, #e53935, #c62828); }
.slide-4 { background: linear-gradient(135deg, #b71c1c, #6d0000); }
.slide-5 { background: linear-gradient(135deg, #ef5350, #d32f2f); }

/* 左右箭头 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    background: rgba(0, 0, 0, 0.6);
}

.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

/* 圆点 */
.carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.2s;
}

.dot.active {
    background: #fff;
    width: 24px;
    border-radius: 5px;
}

/* ========== 首页 - 简介 ========== */
.intro-section {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.intro-section h3 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.intro-section p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .search-form {
        flex-direction: column;
    }

    .search-btn {
        width: 100%;
        padding: 0;
    }

    .carousel {
        height: 220px;
        border-radius: var(--radius-md);
    }

    .slide-content h2 {
        font-size: 28px;
    }

    .slide-content p {
        font-size: 15px;
    }

    .carousel-arrow {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .intro-section {
        padding: 20px;
    }
}

/* ========== 用户协议 / 隐私政策 ========== */
.legal-page {
    max-width: 860px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.legal-title {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 12px;
}

.legal-update {
    text-align: center;
    color: var(--color-text-hint);
    font-size: 13px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.legal-content h2 {
    font-size: 17px;
    color: var(--color-text);
    margin: 24px 0 10px;
}

.legal-content p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 6px;
}

.legal-content .placeholder {
    color: var(--color-primary);
    font-weight: 500;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    /* ✅ 关键：允许 header 换行 */
    .site-header {
        height: auto;
        position: static;    /* 移动端取消吸顶，避免挡住内容 */
    }

    .header-inner {
        flex-wrap: wrap;     /* ✅ 新增：允许换行 */
        height: auto;        /* ✅ 新增：高度自适应 */
        padding: 10px 12px;  /* ✅ 新增：上下留点内边距 */
        gap: 10px;           /* ✅ 新增：行间距 */
    }

    .header-left {
        flex-wrap: wrap;     /* ✅ 新增：logo 和 nav 可以换行 */
        gap: 16px;
    }

    .main-nav {
        flex-wrap: wrap;     /* ✅ 新增：导航项之间可以换行 */
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }

    .logo {
        font-size: 18px;
    }

    .logo img {
        height: 28px;
    }

    .user-greeting {
        display: none;
    }

    .site-main {
        padding: 16px 0;
    }
}

/* ========== 下载页 ========== */
.download-page {
    max-width: 600px;
    margin: 40px auto;
    text-align: center;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--shadow-sm);
}

.download-title {
    font-size: 32px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.download-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 360px;
    margin: 0 auto 32px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: #1a1a1a;
    color: #fff;
    border-radius: var(--radius-md);
    text-align: left;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: #000;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.download-btn-android {
    background: #0b6623;
}

.download-btn-android:hover {
    background: #094d1a;
}

.download-icon {
    flex-shrink: 0;
}

.download-text {
    display: flex;
    flex-direction: column;
}

.download-small {
    font-size: 12px;
    opacity: 0.75;
    line-height: 1.2;
}

.download-big {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
}

.download-tip {
    font-size: 13px;
    color: var(--color-text-hint);
    line-height: 1.9;
    text-align: left;
    padding: 16px 20px;
    background: var(--color-bg-gray);
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .download-page {
        padding: 40px 24px;
        margin: 16px auto;
    }

    .download-title {
        font-size: 24px;
    }

    .download-subtitle {
        font-size: 14px;
        margin-bottom: 28px;
    }
}

/* ========== 首页 - 职位总数提示 ========== */
.job-count-bar {
    max-width: 720px;          /* 与 search-hero 同宽 */
    margin: 0 auto 12px;       /* 下边距 12px，与搜索框隔开 */
    font-size: 14px;
    color: var(--color-text-secondary);
    text-align: left;          /* 左对齐 */
    padding-left: 4px;         /* 与搜索框左侧微对齐 */
}

.job-count-number {
    color: var(--color-primary);
    font-size: 18px;
    font-weight: bold;
    margin: 0 4px;
}
/* ========== 占位页（AI助手 / 问题反馈） ========== */
.placeholder-page {
    max-width: 720px;
    margin: 60px auto;
    text-align: center;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--shadow-sm);
}

.placeholder-page h1 {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.placeholder-page p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 8px;
}

.placeholder-page .placeholder {
    color: var(--color-primary);
    font-weight: 500;
}

/* ========== 页脚备案信息 ========== */
.footer-beian {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;              /* 小屏自动换行 */
    gap: 8px;
    margin-top: 4px;
    font-size: 13px;
    color: var(--color-text-hint);
}

.beian-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-hint);
    transition: color 0.2s;
}

.beian-link:hover {
    color: var(--color-primary);
}

.beian-icon {
    width: 16px;
    height: 16px;
    vertical-align: middle;
    /* 有些备案图标自带底边距，调整一下 */
    margin-right: 2px;
}

.beian-divider {
    color: var(--color-border);
    margin: 0 2px;
}

/* 小屏适配 */
@media (max-width: 480px) {
    .footer-beian {
        font-size: 12px;
    }

    .beian-icon {
        width: 14px;
        height: 14px;
    }
}