/* ========== 华安租车官网样式 ========== */
:root {
    --primary: #1a56db;
    --primary-dark: #1441a8;
    --accent: #f59e0b;
    --gold: #b89154;
    --text: #1f2937;
    --muted: #6b7280;
    --line: #e5e7eb;
    --bg-alt: #f6f8fb;
    --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font: 15px/1.7 -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    color: var(--text);
    background: #fff;
}
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ---------- 顶栏 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-img { display: block; height: 42px; width: auto; object-fit: contain; }
.main-nav { display: flex; gap: 4px; flex: 1; }
.main-nav a {
    display: flex; align-items: center;
    height: 60px; padding: 0 17px; border-radius: 8px;
    color: var(--text); font-weight: 600; font-size: 16px;
    white-space: nowrap;
    transition: background .15s, color .15s;
}
.main-nav a:hover { background: var(--bg-alt); }
.main-nav a.active { background: var(--primary); color: #fff; }
.header-phone { display: flex; flex-direction: column; line-height: 1.3; text-align: right; flex: 0 0 auto; }
.header-phone span {
    display: inline-flex; align-items: center; justify-content: flex-end; gap: 6px;
    font-size: 11.5px; color: var(--muted);
}
.header-phone span .icon { width: 12px; height: 12px; color: var(--gold); }
.header-phone b { color: var(--primary); font-size: 17px; white-space: nowrap; }
.nav-toggle { display: none; border: 1px solid var(--line); background: none; border-radius: 8px; font-size: 18px; padding: 4px 10px; cursor: pointer; }

/* ---------- 轮播 ---------- */
.carousel { position: relative; height: 430px; overflow: hidden; background: #0f172a; }
.carousel-item {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0; transition: opacity .7s ease;
    display: flex; align-items: center;
}
.carousel-item.active { opacity: 1; }
.carousel-caption { padding: 0 8%; }
.carousel-caption h2 {
    color: #fff; font-size: 34px; margin: 0;
    text-shadow: 0 2px 18px rgba(0,0,0,.5);
}
.carousel-dots { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; z-index: 5; }
.carousel-dots i {
    display: inline-block; width: 9px; height: 9px; border-radius: 50%;
    background: rgba(255,255,255,.5); margin: 0 5px; cursor: pointer; transition: background .2s;
}
.carousel-dots i.on { background: #fff; }
.carousel-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
    width: 42px; height: 42px; border-radius: 50%;
    border: 0; background: rgba(255,255,255,.22); color: #fff;
    font-size: 22px; cursor: pointer; transition: background .2s;
}
.carousel-arrow:hover { background: rgba(255,255,255,.4); }
.carousel-arrow.prev { left: 16px; }
.carousel-arrow.next { right: 16px; }

/* ---------- 区块 ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: 24px; margin: 0 0 28px; text-align: center; position: relative; }
.section-title::after {
    content: ""; display: block; width: 46px; height: 3px;
    background: var(--accent); border-radius: 2px; margin: 12px auto 0;
}
.section-head { display: flex; align-items: baseline; justify-content: space-between; }
.section-head .section-title { text-align: left; }
.section-head .section-title::after { margin-left: 0; }
.more-link { font-size: 13.5px; }

/* 服务卡片 */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px 20px; text-align: center;
    transition: transform .2s, box-shadow .2s;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px -14px rgba(26,86,219,.35); }
.service-icon { font-size: 34px; margin-bottom: 8px; }
.service-card h3 { margin: 0 0 8px; font-size: 17px; }
.service-card p { margin: 0; color: var(--muted); font-size: 13.5px; }

/* 车型卡片 */
.car-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.car-card {
    border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; background: #fff; color: var(--text);
    display: flex; flex-direction: column;
    transition: transform .2s, box-shadow .2s;
}
.car-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px -14px rgba(31,41,55,.3); }
.car-img { height: 170px; background: var(--bg-alt); display: grid; place-items: center; }
.car-img img { width: 100%; height: 100%; object-fit: cover; }
.car-info { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.car-info h3 { margin: 0; font-size: 16px; }
.car-desc { margin: 0; color: var(--muted); font-size: 12.5px; }
.car-meta { display: flex; gap: 8px; color: var(--muted); font-size: 12.5px; }
.car-meta span { background: var(--bg-alt); border-radius: 6px; padding: 2px 8px; }
.car-price { margin-top: auto; }
.car-price b { color: #dc2626; font-size: 20px; }
.car-price small { color: var(--muted); }
.car-filter {
    display: flex; gap: 10px; margin-bottom: 22px; max-width: 460px;
}
.car-filter input { flex: 1; }

/* 新闻 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.news-card {
    border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; color: var(--text); background: #fff;
    transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px -14px rgba(31,41,55,.3); }
.news-img { height: 160px; background: var(--bg-alt); }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; }
.news-body h3 { margin: 0; font-size: 15.5px; }
.news-body p { margin: 0; color: var(--muted); font-size: 13px; }
.news-body time { color: #9ca3af; font-size: 12px; }
.news-tag {
    display: inline-block; padding: 1px 9px; border-radius: 999px;
    background: #e8effd; color: var(--primary); font-size: 12px; align-self: flex-start;
}

/* CTA */
.cta { background: linear-gradient(120deg, var(--primary), #3b82f6); color: #fff; padding: 44px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cta h2 { margin: 0 0 4px; font-size: 22px; }
.cta p { margin: 0; color: rgba(255,255,255,.85); }
.btn-light { background: #fff; color: var(--primary); border-color: #fff; }

/* ---------- 页头横幅 / 内页 ---------- */
.page-hero {
    background: linear-gradient(120deg, #16294f, var(--primary));
    color: #fff; padding: 46px 0;
}
.page-hero h1 { margin: 0 0 6px; font-size: 28px; }
.page-hero p { margin: 0; color: rgba(255,255,255,.8); }
.page-body { padding: 34px 20px 60px; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 380px 1fr; gap: 30px; }
.contact-info ul { list-style: none; padding: 0; }
.contact-info li { padding: 9px 0; border-bottom: 1px dashed var(--line); }
.contact-info b {
    display: inline-block; width: 90px; color: var(--muted); font-weight: normal; font-size: 13px;
}
.contact-tip { margin-top: 18px; padding: 12px 14px; background: #eef4ff; border-radius: 10px; color: var(--primary-dark); font-size: 13.5px; }
.contact-form { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }

/* 新闻列表页 */
.news-layout { display: grid; grid-template-columns: 220px 1fr; gap: 30px; }
.news-side { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; height: fit-content; }
.news-side h3 { margin: 0 0 10px; font-size: 15px; }
.news-side a { display: block; padding: 7px 10px; border-radius: 8px; color: var(--text); font-size: 14px; }
.news-side a:hover { background: var(--bg-alt); }
.news-side a.active { background: var(--primary); color: #fff; }
.news-side .side-empty { color: #9ca3af; font-size: 13px; }
.back-link { margin-top: 14px; font-size: 13px; }
.news-row {
    display: flex; gap: 16px; padding: 16px; border: 1px solid var(--line);
    border-radius: var(--radius); margin-bottom: 14px; color: var(--text);
    transition: box-shadow .2s;
}
.news-row:hover { box-shadow: 0 10px 24px -14px rgba(31,41,55,.35); }
.news-thumb { width: 170px; height: 105px; flex: 0 0 auto; border-radius: 9px; overflow: hidden; background: var(--bg-alt); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-row h3 { margin: 0 0 6px; font-size: 16px; }
.news-row p { margin: 0 0 8px; color: var(--muted); font-size: 13.5px; }
.news-row-meta { display: flex; align-items: center; gap: 14px; color: #9ca3af; font-size: 12.5px; }
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 24px; }
.pager a { padding: 6px 14px; border: 1px solid var(--line); border-radius: 8px; }

/* 新闻详情 */
.news-detail h1 { font-size: 24px; line-height: 1.4; }
.news-detail-meta { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 13px; margin: 12px 0 22px; }
.news-detail-img { border-radius: var(--radius); margin-bottom: 20px; }
.rich-text { line-height: 1.9; }
.rich-text img { border-radius: 10px; }
.error-box { text-align: center; padding: 80px 0; }
.error-box h1 { font-size: 60px; margin: 0 0 8px; color: var(--muted); }

/* 表单 */
.form-row { margin-bottom: 15px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 13.5px; font-weight: 600; }
.form-row input, .form-row select, .form-row textarea {
    padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px;
    font: inherit; outline: none; transition: border-color .15s, box-shadow .15s;
    background: #fff; width: 100%;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
    border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.text-danger { color: #dc2626; font-size: 13px; }
.alert { padding: 10px 14px; border-radius: 9px; margin-bottom: 15px; font-size: 14px; }
.alert-ok { background: #e9f7ee; color: #15803d; border: 1px solid #cfe9d8; }
.alert-bad { background: #fdeceb; color: #b91c1c; border: 1px solid #f5d3d0; }
.empty-tip { color: #9ca3af; text-align: center; padding: 40px 0; grid-column: 1 / -1; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 20px; border-radius: 9px; border: 1px solid var(--line);
    background: #fff; color: var(--text); font: inherit; font-size: 14px;
    cursor: pointer; transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--bg-alt); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline { border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: #eef4ff; }
.btn-block { width: 100%; }

/* ---------- 页脚 ---------- */
/* ---------- 页脚：背景图 + LOGO 阴影水印 ---------- */
.site-footer {
    position: relative; overflow: hidden;
    background: #111827; color: #9ca3af; margin-top: 60px;
}
/* 背景图层：极氪 001 夜景剪影，向下渐隐融入深色底 */
.site-footer::before {
    content: ""; position: absolute; inset: 0;
    background: url('/images/footer-bg.jpg') center 40% / cover no-repeat;
    opacity: .5; z-index: 0;
}
.site-footer::after {
    content: ""; position: absolute; inset: 0;
    background:
        linear-gradient(180deg, rgba(17, 24, 39, .92) 0%, rgba(17, 24, 39, .55) 40%, rgba(17, 24, 39, .95) 100%);
    z-index: 0;
}
/* 华安租车 LOGO 阴影水印：白色剪影，右下角带光晕阴影 */
.footer-watermark {
    position: absolute; right: 4%; bottom: 6%;
    z-index: 1; pointer-events: none;
    opacity: .10;
    filter: brightness(0) invert(1) drop-shadow(0 6px 18px rgba(184, 145, 84, .45));
}
.footer-watermark img { height: 64px; width: auto; object-fit: contain; }
/* 内容置于图层之上 */
.site-footer .footer-grid,
.site-footer .footer-bar { position: relative; z-index: 2; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 30px; padding: 42px 20px; }
.site-footer h3 { color: #fff; font-size: 16px; margin: 0 0 12px; }
.site-footer p { margin: 4px 0; font-size: 13.5px; }
/* 页脚联系方式图标 */
.f-contact { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.f-ico { display: inline-flex; align-items: center; color: var(--gold); }
.f-ico .icon { width: 14px; height: 14px; }
.site-footer a { color: #9ca3af; }
.site-footer a:hover { color: #fff; }
.footer-bar { border-top: 1px solid #1f2937; padding: 14px 0; font-size: 13px; }
.footer-bar .container { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.admin-link { margin-left: auto; opacity: .55; }

/* ---------- 响应式 ---------- */
/* 六个导航项时收一点横向内距，保证 900~1120 区间不挤 */
@media (max-width: 1120px) {
    .header-inner { gap: 18px; }
    .main-nav a { padding: 0 12px; }
    .brand-img { height: 38px; }
}
@media (max-width: 900px) {
    .footer-watermark img { height: 46px; }
    .footer-watermark { right: 5%; bottom: 4%; }
    .service-grid, .car-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .news-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .carousel { height: 300px; }
    .main-nav {
        display: none; position: absolute; top: 68px; left: 0; right: 0;
        background: #fff; flex-direction: column; padding: 10px 16px;
        border-bottom: 1px solid var(--line);
    }
    .main-nav.open { display: flex; }
    .main-nav a { height: auto; padding: 13px 16px; }
    .brand-img { height: 32px; }
    .header-phone { display: none; }
    .nav-toggle { display: block; margin-left: auto; }
}
@media (max-width: 560px) {
    .service-grid, .car-grid { grid-template-columns: 1fr; }
    .news-row { flex-direction: column; }
    .news-thumb { width: 100%; height: 160px; }
}