/* =========================================================
   精卡网 前台公共样式
   ========================================================= */

:root {
    --primary:      #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light:#EFF6FF;
    --telecom:      #0066FF;
    --mobile:       #00AA44;
    --unicom:       #CC0000;
    --broadnet:     #FF6600;
    --text:         #1F2329;
    --text-secondary: #6B7280;
    --text-muted:   #9CA3AF;
    --border:       #E5E7EB;
    --bg-gray:      #F3F4F6;
    --card-shadow:  0 2px 12px rgba(0,0,0,.07);
    --radius:       10px;
    --header-h:     60px;
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE / Edge legacy */
}

html::-webkit-scrollbar { display: none; } /* Chrome / Safari / Edge Chromium */

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    font-size: 15px;
    color: var(--text);
    background: #fff;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

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

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

/* =========================================================
   导航栏
   ========================================================= */
.home-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 8px rgba(0,0,0,.06);
}

.header-inner {
    display: flex;
    align-items: center;
    height: var(--header-h);
    gap: 32px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.logo-img        { height: 36px; max-height: 36px; width: auto; max-width: 160px; display: block; object-fit: contain; }
.logo-img-footer { height: 28px; max-height: 28px; max-width: 120px; }

.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.nav-link {
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: color .15s, background .15s;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    margin-left: auto;
}

.btn-order {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: background .15s;
    white-space: nowrap;
}

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

/* 汉堡按钮（移动端） */
.header-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.header-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .2s;
}

/* 移动端菜单 */
.mobile-nav {
    display: none;
    flex-direction: column;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 8px 0;
}

.mobile-nav.open { display: flex; }

.mobile-nav-link {
    padding: 12px 20px;
    font-size: 15px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    transition: color .15s, background .15s;
}

.mobile-nav-link:last-child { border-bottom: none; }
.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* =========================================================
   主内容
   ========================================================= */
.home-main { min-height: calc(100vh - var(--header-h) - 180px); }

.home-section { padding: 48px 0; }
.home-section-gray { background: var(--bg-gray); }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    position: relative;
    margin-bottom: 8px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 32px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.section-more {
    font-size: 13px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: opacity .15s;
}

.section-more:hover { opacity: .75; }

/* =========================================================
   两列布局
   ========================================================= */
.home-two-col {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    align-items: start;
}

/* =========================================================
   运营商颜色
   ========================================================= */
.carrier-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.carrier-dot-1 { background: var(--telecom); }
.carrier-dot-2 { background: var(--mobile); }
.carrier-dot-3 { background: var(--unicom); }
.carrier-dot-4 { background: var(--broadnet); }

.carrier-bg-1 { background: linear-gradient(135deg, #0066FF, #004DC2); }
.carrier-bg-2 { background: linear-gradient(135deg, #00AA44, #007D30); }
.carrier-bg-3 { background: linear-gradient(135deg, #CC0000, #990000); }
.carrier-bg-4 { background: linear-gradient(135deg, #FF6600, #CC4E00); }

.act-carrier-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
}

.carrier-tag-1 { background: var(--telecom); }
.carrier-tag-2 { background: var(--mobile); }
.carrier-tag-3 { background: var(--unicom); }
.carrier-tag-4 { background: var(--broadnet); }

/* =========================================================
   面包屑
   ========================================================= */
.home-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    padding: 14px 0;
}

.home-breadcrumb a { color: var(--primary); }
.home-breadcrumb a:hover { text-decoration: underline; }
.home-breadcrumb .sep { color: var(--border); }

/* =========================================================
   列表页面 Banner
   ========================================================= */
.page-banner {
    background: linear-gradient(180deg, #EFF6FF 0%, #fff 100%);
    padding: 36px 0 32px;
    border-bottom: 1px solid var(--border);
}

.page-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.banner-search {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 0 4px 0 14px;
    gap: 6px;
    width: 280px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.banner-search i { color: var(--text-muted); font-size: 14px; flex-shrink: 0; }

.banner-search input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    background: transparent;
    color: var(--text);
    padding: 9px 0;
    min-width: 0;
}

.banner-search button {
    padding: 7px 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    flex-shrink: 0;
    transition: background .15s;
}

.banner-search button:hover { background: var(--primary-dark); }

.page-banner-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 6px;
}

.page-banner-sub {
    font-size: 14px;
    color: var(--text-secondary);
}

/* =========================================================
   搜索筛选栏（列表页）
   ========================================================= */
.list-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 20px 0 16px;
}

.list-search {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 0 4px 0 14px;
    gap: 6px;
    flex: 1;
    max-width: 320px;
}

.list-search i { color: var(--text-muted); font-size: 14px; flex-shrink: 0; }

.list-search input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    background: transparent;
    color: var(--text);
    padding: 9px 0;
    min-width: 0;
}

.list-search button {
    padding: 7px 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    flex-shrink: 0;
    transition: background .15s;
}

.list-search button:hover { background: var(--primary-dark); }

/* =========================================================
   分页
   ========================================================= */
.home-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 32px 0;
}

.home-pagination a,
.home-pagination .pag-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    padding: 0 8px;
}

.home-pagination a {
    color: var(--text-secondary);
    border: 1px solid var(--border);
    background: #fff;
    transition: all .15s;
    text-decoration: none;
}

.home-pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.home-pagination a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.home-pagination .pag-arrow {
    font-size: 16px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: #fff;
}

.home-pagination .pag-arrow:hover { color: var(--primary); border-color: var(--primary); }

/* =========================================================
   运营商筛选 Tabs（公共）
   ========================================================= */
.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 18px;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
    white-space: nowrap;
}

.filter-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.filter-tab.active .carrier-dot { filter: brightness(5); }

/* =========================================================
   套餐卡片（公共）
   ========================================================= */
.pkg-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    min-height: 200px;
}

.pkg-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    padding: 18px 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: transform .2s, box-shadow .2s, border-color .2s;
    position: relative;
}

/* 可发货地区小标签——仅手机单列时显示 */
.pkg-shipping-badge {
    display: none;
}

.pkg-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0,0,0,.1);
    border-color: var(--primary);
}

.pkg-card-head { display: flex; align-items: flex-start; gap: 12px; }

.pkg-carrier-circle {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid var(--border);
    overflow: hidden;
    padding: 5px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.pkg-carrier-circle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.pkg-name-wrap { flex: 1; min-width: 0; }

.pkg-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.pkg-tags { display: flex; flex-wrap: wrap; gap: 4px; }

.pkg-tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    background: var(--primary-light);
    color: var(--primary);
}

.pkg-tag-age {
    background: #F0FDF4;
    color: #16A34A;
}

.pkg-stats {
    display: flex;
    align-items: center;
    background: var(--bg-gray);
    border-radius: 8px;
    padding: 12px 0;
    text-align: center;
}

.pkg-stat { flex: 1; padding: 0 8px; }

.pkg-stat-val {
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 4px;
    word-break: break-all;
}

.pkg-stat-label { font-size: 11px; color: var(--text-muted); }

.pkg-stat-div { width: 1px; height: 32px; background: var(--border); flex-shrink: 0; }

.pkg-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.pkg-meta span { display: inline-flex; align-items: center; gap: 4px; }
.pkg-meta i { color: var(--primary); }

.pkg-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.pkg-price {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.pkg-price em { font-style: normal; font-size: 20px; font-weight: 800; }
.pkg-price small { font-size: 12px; font-weight: 400; color: var(--text-muted); margin-left: 1px; }

.pkg-apply-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    transition: background .15s;
    white-space: nowrap;
    text-decoration: none;
}

.pkg-apply-btn:hover { background: var(--primary-dark); }

.pkg-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.pkg-empty i { font-size: 36px; display: block; margin-bottom: 10px; }
.pkg-empty p { font-size: 14px; }

/* =========================================================
   资讯卡片（公共）
   ========================================================= */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.article-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow .2s, border-color .2s;
    text-decoration: none;
    color: inherit;
}

.article-card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,.1);
    border-color: var(--primary);
}

.article-cover {
    width: 100%;
    height: 160px;
    background: var(--bg-gray);
    overflow: hidden;
    flex-shrink: 0;
}

.article-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s;
}

.article-card:hover .article-cover img { transform: scale(1.04); }

.article-cover-ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 32px;
}

.article-info { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; }

.article-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.article-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
    transition: color .15s;
}

.article-card:hover .article-title { color: var(--primary); }

.article-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================================
   活动卡片（公共）
   ========================================================= */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.activity-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: box-shadow .2s, border-color .2s;
}

.activity-card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,.1);
    border-color: var(--primary);
}

.activity-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.act-date { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

.activity-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.activity-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.activity-apply-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    margin-top: auto;
    transition: gap .15s;
    text-decoration: none;
}

.activity-apply-btn:hover { gap: 8px; }

/* =========================================================
   侧边栏通用框（公共）
   ========================================================= */
.sidebar-box {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    padding: 16px;
}

.sidebar-box-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

/* =========================================================
   响应式（公共组件）
   ========================================================= */
@media (max-width: 1060px) {
    .pkg-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
    .article-grid  { grid-template-columns: repeat(2, 1fr); }
    .activity-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .pkg-grid    { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .article-grid  { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .activity-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .list-search { max-width: 100%; }
    .banner-search { width: 100%; }
}

@media (max-width: 640px) {
    .filter-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 2px;
    }
    .filter-tabs::-webkit-scrollbar { display: none; }
    .filter-tab { flex-shrink: 0; }
}

@media (max-width: 480px) {
    .pkg-grid      { grid-template-columns: 1fr; gap: 10px; }
    .pkg-shipping-badge {
        display: block;
        position: absolute;
        top: 14px;
        right: 14px;
        font-size: 10px;
        color: var(--text-muted);
        background: var(--bg-gray);
        border: 1px solid var(--border);
        padding: 1px 5px;
        border-radius: 3px;
        white-space: nowrap;
        pointer-events: none;
        line-height: 1.5;
    }
    .pkg-name      { font-size: 14px; }
    .pkg-price     { font-size: 22px; }
    .pkg-stat-val  { font-size: 14px; }
    .article-grid  { grid-template-columns: 1fr; }
    .activity-grid { grid-template-columns: 1fr; }
    .article-cover { height: 130px; }
    .filter-tab    { padding: 6px 12px; font-size: 12px; }
    .home-pagination a { min-width: 32px; height: 32px; }
}

/* =========================================================
   页脚
   ========================================================= */
.home-footer {
    background: #1F2329;
    color: #9CA3AF;
    margin-top: auto;
}

.footer-bottom {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    font-size: 12px;
    color: #6B7280;
}

.footer-bottom a { color: #6B7280; }
.footer-bottom a:hover { color: #9CA3AF; }

/* =========================================================
   空状态
   ========================================================= */
.home-empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
    width: 100%;
}

.home-empty-state i { font-size: 36px; margin-bottom: 10px; display: block; }
.home-empty-state p { font-size: 14px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 960px) {
    .home-two-col {
        grid-template-columns: 1fr;
    }

    .home-two-col-aside {
        display: none; /* 移动端活动侧边栏隐藏，在独立页展示 */
    }
}

@media (max-width: 768px) {
    .header-nav { display: none; }
    .btn-order  { display: none; }
    .header-menu-btn { display: flex; }

    .home-header {
        height: auto;
        position: sticky;
        top: 0;
    }

    .section-title { font-size: 18px; }
    .home-section  { padding: 32px 0; }
}

@media (max-width: 480px) {
    .home-container { padding: 0 14px; }
}