/* =====================================================================
   瑞森旅行（Discover-first）官网 · 现代设计系统（自包含）
   ===================================================================== */

:root {
  --c-primary: #c8161e;
  --c-primary-dark: #a51219;
  --c-primary-light: #fff5f5;
  --c-dark: #1b1b1f;
  --c-text: #2b2b2f;
  --c-text-2: #5c5c64;
  --c-text-3: #9a9aa3;
  --c-border: #ececf0;
  --c-bg-soft: #f7f8fa;
  --c-white: #fff;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-1: 0 1px 3px rgba(0,0,0,.05), 0 4px 14px rgba(0,0,0,.05);
  --shadow-2: 0 8px 30px rgba(0,0,0,.10);
  --container: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.8; color: var(--c-text); background: #fff; min-width: 320px; }
a { text-decoration: none; color: inherit; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ============ 顶部栏 ============ */
.site-top { background: var(--c-dark); color: #cfcfd6; font-size: 13px; }
.site-top .container { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.site-top a { color: #cfcfd6; margin-left: 18px; }
.site-top a:hover { color: #fff; }

/* ============ 头部 ============ */
.site-header { background: #fff; border-bottom: 1px solid var(--c-border); position: sticky; top: 0; z-index: 100; }
.site-header .container { display: flex; align-items: center; height: 76px; gap: 32px; }
.site-header .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.site-header .logo img { height: 46px; width: auto; }
.site-header .logo .logo-txt { font-size: 20px; font-weight: 700; color: var(--c-primary); line-height: 1.2; }
.site-header .logo .logo-sub { font-size: 12px; color: var(--c-text-3); }
.site-header .nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.site-header .nav a { padding: 8px 14px; border-radius: var(--radius-sm); font-size: 15px; color: var(--c-text); transition: all .2s; }
.site-header .nav a:hover, .site-header .nav a.router-link-active { color: #fff; background: var(--c-primary); }
.site-header .tel { text-align: right; flex-shrink: 0; }
.site-header .tel span { display: block; font-size: 12px; color: var(--c-text-3); }
.site-header .tel b { font-size: 18px; color: var(--c-primary); }
.nav-toggle { display: none; }

/* ============ Hero ============ */
.hero { position: relative; height: 520px; overflow: hidden; background: #222; }
.hero .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .8s; background-size: cover; background-position: center; }
.hero .slide.on { opacity: 1; }
.hero .slide::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.3) 55%, rgba(0,0,0,.05) 100%); }
.hero .cap { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 2; width: 100%; max-width: var(--container); padding: 0 20px; }
.hero .cap .tag { display: inline-block; background: rgba(200,22,30,.9); color: #fff; font-size: 13px; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 1px; }
.hero .cap h1 { color: #fff; font-size: 42px; line-height: 1.25; font-weight: 700; text-shadow: 0 2px 12px rgba(0,0,0,.4); max-width: 640px; }
.hero .cap p { color: rgba(255,255,255,.88); font-size: 16px; margin-top: 14px; max-width: 560px; }
.hero .cap .btn { display: inline-block; margin-top: 26px; background: var(--c-primary); color: #fff; padding: 12px 36px; border-radius: var(--radius-sm); font-size: 15px; box-shadow: 0 6px 20px rgba(200,22,30,.4); transition: all .2s; }
.hero .cap .btn:hover { background: var(--c-primary-dark); transform: translateY(-2px); }
.hero .dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.hero .dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); cursor: pointer; transition: all .2s; }
.hero .dots i.on { background: #fff; width: 26px; border-radius: 6px; }

/* ============ 区块通用 ============ */
.section { padding: 64px 0; }
.section.soft { background: var(--c-bg-soft); }
.section .sec-head { text-align: center; margin-bottom: 40px; }
.section .sec-head h2 { font-size: 30px; font-weight: 700; color: var(--c-dark); }
.section .sec-head h2 span { color: var(--c-primary); }
.section .sec-head p { color: var(--c-text-3); font-size: 14px; margin-top: 8px; }

/* ============ 分类导航 ============ */
.cat-panel { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 20px 28px; }
.cat-row { display: flex; align-items: baseline; gap: 16px; padding: 10px 0; border-bottom: 1px dashed var(--c-border); }
.cat-row:last-child { border-bottom: none; }
.cat-row dt { flex-shrink: 0; width: 76px; font-size: 14px; font-weight: 700; color: var(--c-primary); }
.cat-row dd { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.cat-row dd a { font-size: 14px; color: var(--c-text-2); transition: color .15s; }
.cat-row dd a:hover { color: var(--c-primary); }

/* ============ 卡片网格 ============ */
.grid { display: grid; gap: 24px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.card .thumb { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .4s; }
.card:hover .thumb { transform: scale(1.05); }
.card .body { padding: 16px 18px 20px; }
.card .body h3 { font-size: 16px; line-height: 1.5; color: var(--c-text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 48px; }
.card .body h3 a:hover { color: var(--c-primary); }
.card .body p { color: var(--c-text-3); font-size: 13px; margin-top: 8px; }
.card .meta { display: flex; gap: 12px; margin-top: 10px; font-size: 13px; color: var(--c-text-3); }
.card .meta b { color: var(--c-primary); font-size: 16px; }

/* ============ 四大板块 ============ */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 30px 26px; text-align: center; transition: transform .25s, box-shadow .25s; }
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.feature .ic { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 16px; background: var(--c-primary-light); display: flex; align-items: center; justify-content: center; }
.feature .ic img { width: 38px; height: 38px; }
.feature h3 { font-size: 19px; color: var(--c-dark); }
.feature p { font-size: 14px; color: var(--c-text-2); margin-top: 10px; text-align: left; }

/* ============ 关于我们 ============ */
.about-box { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: center; }
.about-box .media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-2); }
.about-box .media video, .about-box .media img { width: 100%; height: 380px; object-fit: cover; }
.about-box h2 { font-size: 28px; color: var(--c-dark); }
.about-box h2 span { color: var(--c-primary); }
.about-box p { color: var(--c-text-2); margin-top: 16px; font-size: 15px; }
.about-box .more { display: inline-block; margin-top: 22px; color: var(--c-primary); font-weight: 600; border-bottom: 1px solid var(--c-primary); }

/* ============ 教官 ============ */
.team-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); text-align: center; padding: 36px 28px 32px; transition: transform .25s, box-shadow .25s; }
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.team-card img { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin: 0 auto 22px; }
.team-card h3 { font-size: 19px; }
.team-card h3 span { display: block; font-size: 13px; color: var(--c-primary); font-weight: normal; margin-top: 8px; letter-spacing: 1px; }
.team-card p { font-size: 13px; color: var(--c-text-3); margin-top: 14px; line-height: 1.8; padding: 0 4px; }

/* ============ 合作 ============ */
.coop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.coop { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 30px 26px; border-top: 4px solid var(--c-primary); transition: transform .25s, box-shadow .25s; }
.coop:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.coop h3 { font-size: 18px; }
.coop p { font-size: 14px; color: var(--c-text-2); margin-top: 10px; }

/* ============ 评价 ============ */
.witness-wrap { position: relative; overflow: hidden; margin: 0 -16px; }
.witness-track { display: flex; transition: transform .5s; }
.witness-item { flex: 0 0 calc(33.333333% - 32px); width: calc(33.333333% - 32px); box-sizing: border-box; margin: 16px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 26px; }
.witness-item .q { color: var(--c-text-2); font-size: 14px; line-height: 2; }
.witness-item .n { color: var(--c-primary); font-weight: 600; margin-top: 14px; font-size: 14px; }
.witness-nav { display: flex; justify-content: center; gap: 12px; margin-top: 28px; }
.witness-nav button { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--c-border); background: #fff; color: var(--c-text-2); font-size: 16px; transition: all .2s; }
.witness-nav button:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ============ 新闻 ============ */
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.news-col h3 { font-size: 20px; color: var(--c-dark); display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 2px solid var(--c-primary); margin-bottom: 18px; }
.news-col h3 a.more { font-size: 13px; color: var(--c-text-3); font-weight: normal; }
.news-col h3 a.more:hover { color: var(--c-primary); }
.news-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--c-border); }
.news-item img { width: 120px; height: 80px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.news-item .t { font-size: 15px; color: var(--c-text); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .t:hover { color: var(--c-primary); }
.news-item .d { font-size: 12px; color: var(--c-text-3); margin-top: 6px; }
.news-item.plain { display: block; }
.news-item.plain .t { -webkit-line-clamp: 1; }

/* ============ 友情链接 ============ */
.links { padding: 28px 0; }
.links .container { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.links b { color: var(--c-text-3); font-weight: 600; }
.links a { color: var(--c-text-2); font-size: 14px; }
.links a:hover { color: var(--c-primary); }

/* ============ 页脚 ============ */
.site-footer { background: var(--c-dark); color: #b7b7c0; padding: 48px 0 0; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.site-footer .f-logo img { height: 40px; }
.site-footer .f-logo p { font-size: 13px; margin-top: 12px; line-height: 1.9; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { color: #b7b7c0; font-size: 14px; }
.site-footer ul a:hover { color: #fff; }
.site-footer .qrcode { width: 96px; height: 96px; border-radius: 8px; background: #fff; padding: 6px; }
.site-footer .copyright { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; text-align: center; font-size: 13px; color: #8a8a95; }

/* ============ 内页 ============ */
.page-banner { background: linear-gradient(135deg, #a51219, #e03a40); color: #fff; padding: 56px 0; text-align: center; }
.page-banner h1 { font-size: 32px; }
.page-banner p { font-size: 14px; opacity: .85; margin-top: 8px; }
.page-container { max-width: var(--container); margin: 0 auto; padding: 40px 20px 72px; }
.breadcrumb { font-size: 13px; color: var(--c-text-3); margin-bottom: 20px; }
.breadcrumb a { color: var(--c-text-2); }
.breadcrumb a:hover { color: var(--c-primary); }
.page-title { font-size: 24px; border-left: 4px solid var(--c-primary); padding-left: 14px; margin-bottom: 24px; }
.list-ul li { border-bottom: 1px dashed var(--c-border); padding: 18px 0; }
.list-ul li a { display: flex; justify-content: space-between; gap: 20px; color: var(--c-text); align-items: center; }
.list-ul li a:hover { color: var(--c-primary); }
.list-ul .t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-ul .d { color: var(--c-text-3); font-size: 13px; white-space: nowrap; }
.article-content { line-height: 2; color: var(--c-text-2); font-size: 15px; }
.article-content img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.detail-title { font-size: 26px; margin-bottom: 10px; }
.detail-meta { color: var(--c-text-3); font-size: 13px; padding-bottom: 16px; border-bottom: 1px solid var(--c-border); margin-bottom: 24px; }
.product-meta-box { display: flex; gap: 28px; flex-wrap: wrap; background: var(--c-bg-soft); border-radius: var(--radius); padding: 22px 28px; }
.product-meta-box .kv b { color: var(--c-primary); font-size: 20px; }
.product-meta-box .kv span { color: var(--c-text-3); font-size: 13px; display: block; }
.notice { background: #fff8e6; border: 1px solid #ffe9a8; color: #8a6d1f; padding: 12px 18px; border-radius: var(--radius-sm); margin: 20px 0; }
.sec-title { font-size: 20px; margin: 28px 0 14px; color: var(--c-dark); }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 36px; }
.pager a, .pager span { padding: 8px 14px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); color: var(--c-text-2); }
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pager .current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pager .disabled { color: #b8b8b8; background: #f5f5f5; border-color: #ededed; cursor: not-allowed; }
.filter-box { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-box input, .filter-box select { padding: 9px 12px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); font-size: 14px; background: #fff; }
.filter-box .btn, .signup-form .btn { background: var(--c-primary); color: #fff; border: none; padding: 10px 30px; border-radius: var(--radius-sm); font-size: 15px; transition: all .2s; }
.filter-box .btn:hover, .signup-form .btn:hover { background: var(--c-primary-dark); transform: translateY(-1px); }
.tour-card .thumb { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.signup-form { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 28px; margin-top: 30px; }
.signup-form h3 { font-size: 18px; margin-bottom: 18px; }
.signup-form .f { margin-bottom: 16px; }
.signup-form label { display: inline-block; width: 84px; color: var(--c-text-2); }
.signup-form input, .signup-form textarea { width: 340px; max-width: 100%; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); font-size: 14px; }
.empty { text-align: center; color: var(--c-text-3); padding: 80px 0; }

/* ============ 返回顶部 ============ */
.back-to-top { position: fixed; right: 26px; bottom: 60px; width: 46px; height: 46px; border-radius: 50%; background: var(--c-primary); color: #fff; border: none; font-size: 18px; box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; transition: all .3s; z-index: 99; }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--c-primary-dark); transform: translateY(-2px); }

/* ============ 404 ============ */
.error-page { text-align: center; padding: 120px 20px; }
.error-page h1 { font-size: 44px; color: var(--c-dark); }
.error-page p { color: var(--c-text-3); margin: 14px 0 28px; }
.error-page .btn { background: var(--c-primary); color: #fff; padding: 12px 36px; border-radius: var(--radius-sm); }

/* ============ 移动端 ============ */
@media (max-width: 992px) {
  .grid.c4 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .site-header .container { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
  .site-header .tel { display: none; }
  .nav-toggle { display: block; background: none; border: none; font-size: 24px; color: var(--c-dark); margin-left: auto; }
  .site-header .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; margin-left: 0; }
  .site-header.open .nav { display: flex; }
  .site-header .nav a { padding: 12px; border-radius: 0; border-bottom: 1px solid var(--c-border); }
  .hero { height: 320px; }
  .hero .cap h1 { font-size: 26px; }
  .hero .cap p { font-size: 14px; }
  .hero .cap .btn { padding: 10px 26px; }
  .grid.c3, .grid.c4 { grid-template-columns: 1fr 1fr; }
  .about-box { grid-template-columns: 1fr; }
  .about-box .media video, .about-box .media img { height: 220px; }
  .news-grid { grid-template-columns: 1fr; gap: 28px; }
  .coop-grid { grid-template-columns: 1fr; }
  .witness-item { flex: 0 0 calc(85% - 32px); width: calc(85% - 32px); }
  .section { padding: 44px 0; }
  .cat-row { flex-direction: column; gap: 4px; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
  .page-banner { padding: 36px 0; }
  .page-banner h1 { font-size: 24px; }
  .detail-top img { width: 100% !important; height: auto !important; }
}
.result-count { color: var(--c-text-3); font-size: 14px; margin-bottom: 16px; }
.result-count b { color: var(--c-primary); font-size: 18px; }
.detail-top { display: flex; gap: 32px; margin-bottom: 28px; flex-wrap: wrap; }
.detail-top .main-img { flex: 0 0 560px; width: 560px; height: 380px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-1); }
.related-row { margin-top: 48px; }
.related-row h3 { font-size: 20px; margin-bottom: 18px; padding-left: 14px; border-left: 4px solid var(--c-primary); }
.contact-bar { margin-top: 32px; background: var(--c-primary-light); border: 1px solid #f3d4d6; border-radius: var(--radius); padding: 22px 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.contact-bar b { color: var(--c-primary); font-size: 20px; }
@media (max-width: 768px) { .detail-top .main-img { width: 100%; height: auto; flex: none; } }
.featured-news { display: flex; gap: 26px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 18px; margin-bottom: 26px; transition: transform .25s, box-shadow .25s; }
.featured-news:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.featured-news img { flex: 0 0 320px; width: 320px; height: 200px; object-fit: cover; border-radius: var(--radius-sm); }
.featured-news .fd-body { padding: 8px 4px; }
.featured-news .fd-tag { display: inline-block; background: var(--c-primary); color: #fff; font-size: 12px; padding: 2px 12px; border-radius: 20px; margin-bottom: 10px; }
.featured-news h3 { font-size: 20px; color: var(--c-text); line-height: 1.5; }
.featured-news p { color: var(--c-text-2); font-size: 14px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.featured-news .fd-date { display: block; color: var(--c-text-3); font-size: 13px; margin-top: 12px; }
@media (max-width: 768px) { .featured-news { flex-direction: column; } .featured-news img { width: 100%; flex: none; } }
.back-row { margin-top: 40px; }
.back-row a { color: var(--c-text-2); font-size: 14px; }
.back-row a:hover { color: var(--c-primary); }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 28px; }
.contact-cards .cc { background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px 24px; }
.contact-cards .cc span { display: block; font-size: 13px; color: var(--c-text-3); }
.contact-cards .cc b { font-size: 17px; color: var(--c-text); }
@media (max-width: 768px) { .contact-cards { grid-template-columns: 1fr; } }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-1); text-align: center; padding: 32px 16px; }
.stat b { display: block; font-size: 36px; color: var(--c-primary); }
.stat span { font-size: 14px; color: var(--c-text-3); }
.contact-wrap { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: start; }
.contact-side { background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 30px; text-align: center; }
.contact-side .qrcode { width: 160px; height: 160px; margin: 0 auto 14px; border-radius: 8px; }
.contact-side p { color: var(--c-text-3); font-size: 14px; margin-bottom: 16px; }
@media (max-width: 768px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
}

/* ---------- 导航重排：主项 + 下拉 ---------- */
.site-header .nav { margin-left: auto; gap: 2px; }
.nav-item { position: relative; }
.nav-link { display: flex; align-items: center; gap: 4px; padding: 10px 16px; border-radius: var(--radius-sm); font-size: 15px; color: var(--c-text); transition: all .2s; }
.nav-link .arr { font-size: 10px; opacity: .7; transition: transform .2s; }
.nav-item:hover .nav-link .arr, .nav-item.has-children:hover .nav-link .arr { transform: rotate(180deg); }
.nav-link:hover, .nav-link.router-link-active { color: #fff; background: var(--c-primary); }
.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 150px; background: #fff;
  border: 1px solid var(--c-border); border-radius: var(--radius-sm); box-shadow: var(--shadow-2);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .22s; z-index: 60; padding: 6px;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(2px); }
.dropdown .dd-link { display: block; padding: 9px 14px; font-size: 14px; color: var(--c-text-2); border-radius: var(--radius-sm); }
.dropdown .dd-link:hover { background: var(--c-primary-light); color: var(--c-primary); }
.dropdown .dd-link.router-link-active { color: var(--c-primary); font-weight: 600; }

/* 移动端：下拉改为手风琴展开 */
@media (max-width: 768px) {
  .nav-item { position: static; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; display: none; box-shadow: none; border: none; padding: 0; }
}

/* ---------- 教官团队滑动（一屏4个） ---------- */
.team-slider { overflow: hidden; margin: 0 -16px; }
.team-track { display: flex; transition: transform .5s ease; }
.team-track .team-card { flex: 0 0 calc(25% - 32px); width: calc(25% - 32px); box-sizing: border-box; margin: 16px; }
@media (max-width: 768px) {
  .team-track .team-card { flex: 0 0 calc(50% - 32px); width: calc(50% - 32px); }
}

/* ---------- 最新自驾游活动：分页滑动（每屏6个） ---------- */
.paged-slider { overflow: hidden; }
.paged-track { display: flex; transition: transform .5s ease; }
.paged-page { flex: 0 0 100%; width: 100%; }
@media (max-width: 768px) {
  .paged-page .grid.c3 { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   移动端体验优化（覆盖上面规则，需保持在本文件末尾）
   ============================================================= */
@media (max-width: 768px) {
  /* 顶部工具条在手机上隐藏，减少头部拥挤 */
  .site-top { display: none; }

  /* 头部：logo 与汉堡按钮同一行、整体更紧凑 */
  .site-header .container { flex-wrap: wrap; padding: 8px 12px; column-gap: 8px; }
  .site-header .logo { gap: 6px; }
  .site-header .logo img { height: 40px; width: 40px; object-fit: contain; }
  .site-header .logo .logo-sub { display: none; }
  .site-header .logo .logo-txt { font-size: 19px; line-height: 1; }
  .nav-toggle { width: 42px; height: 40px; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-left: auto; }

  /* 展开的菜单：纵向列表 + 子菜单直接展示（手机无 hover，去掉 hover 展开依赖） */
  .site-header .nav { max-height: calc(100vh - 80px); overflow-y: auto; padding: 4px 0 14px; }
  .site-header .nav a { padding: 13px 14px; font-size: 15px; }
  .site-header .dropdown { display: block; position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; border-radius: 0; background: var(--c-bg-soft); padding: 0 0 8px; }
  .site-header .dropdown .dd-link { padding: 10px 14px 10px 30px; font-size: 14px; border-radius: 0; border-bottom: 1px solid var(--c-border); }

  /* 分页允许换行，避免页数多时撑出横向滚动 */
  .pager { flex-wrap: wrap; row-gap: 10px; }

  /* 报名 / 留言表单：标签与输入框纵向排列、按钮整行 */
  .signup-form { padding: 20px 18px; }
  .signup-form label { display: block; margin-bottom: 6px; }
  .signup-form input, .signup-form textarea { width: 100%; }
  .signup-form .btn { width: 100%; }
  .contact-wrap > * { min-width: 0; }

  /* 联系信息卡片单列更舒适 */
  .contact-cards { gap: 12px; }
}
@media (max-width: 400px) {
  .pager a, .pager span { padding: 7px 10px; }
}

/* =============================================================
   nav-toggle 移动端菜单：按钮固定不动 + 柔和展开动画
   （覆盖上面规则，保持在本文件最末尾）
   ============================================================= */
@media (max-width: 768px) {
  /* 头部首行高度固定，按钮不会随菜单展开而位移 */
  .site-header .container { flex-wrap: nowrap; height: 56px; }
  .site-header .nav-toggle { position: relative; flex-shrink: 0; }

  /* 菜单改为头部下方的浮层面板，不撑高头部、不挤压页面 */
  .site-header .nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    display: none;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    background: #fff;
    border-top: 1px solid var(--c-border);
    box-shadow: var(--shadow-2);
    margin: 0;
    padding: 6px 0 14px;
  }
  .site-header.open .nav { display: block; animation: navDrop .32s cubic-bezier(.22, .61, .36, 1); }

  /* 汉堡 / 关闭图标柔和过渡 */
  .nav-toggle .ico { display: block; transition: opacity .22s ease, transform .22s ease; }
  .nav-toggle .ico-close { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; transform: scale(.5) rotate(-90deg); }
  .nav-toggle.open .ico-open { opacity: 0; transform: scale(.5) rotate(90deg); }
  .nav-toggle.open .ico-close { opacity: 1; transform: scale(1) rotate(0); }
}
@keyframes navDrop {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================================
   移动端导航：默认只显示一级菜单，二级菜单点击一级项后展开（手风琴）
   ============================================================= */
@media (max-width: 768px) {
  .site-header .dropdown {
    display: none;
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--c-bg-soft);
    padding: 0 0 8px;
  }
  .site-header .nav-item.sub-open .dropdown { display: block; animation: navDrop .22s ease; }
  .site-header .nav-item .nav-link .arr { transition: transform .25s ease; }
  .site-header .nav-item.sub-open .nav-link .arr { transform: rotate(180deg); }
  .site-header .nav-item.sub-open > .nav-link { background: var(--c-primary-light); color: var(--c-primary); }
}