/* ============================================================
   招标信息网 - 深绿商务风主题（精修版）
   类名体系：zw- 前缀 · 卡片分区 · 微交互打磨
   版本：v20260710-e
   ============================================================ */

/* ===== 自定义字体 ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ===== CSS 变量 ===== */
:root {
    --brand: #1A6B3C;
    --brand-dark: #125A2E;
    --brand-darker: #0A331C;
    --brand-light: #E6F4EA;
    --brand-lighter: #F3FAF5;
    --gold: #D4940B;
    --gold-light: #FFF7E0;
    --gold-dark: #A87309;
    --red: #D93025;
    --red-light: #FEF0EF;
    --bg: #F4F1EC;
    --bg-card: #FFFFFF;
    --bg-nav: #183626;
    --text: #1F1F1F;
    --text-light: #5A5E63;
    --text-muted: #969AA0;
    --border: #E3DFD9;
    --border-light: #EFECE6;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.03);
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.05);
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 6px 24px rgba(26,107,60,0.10);
    --shadow-xl: 0 8px 30px rgba(0,0,0,0.10);
    --radius: 8px;
    --radius-sm: 5px;
    --radius-xs: 3px;
    --speed: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    --speed-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 全局 ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    line-height: 1.75;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
::selection { background: rgba(26,107,60,0.18); color: var(--text); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.22); }
a { color: var(--text); text-decoration: none; transition: var(--speed-fast); }
a:hover { color: var(--brand); }
img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
ul { list-style: none; padding: 0; margin: 0; }

/* ===== 通用容器 ===== */
.zw-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* ===== 顶部信息栏 ===== */
.zw-topbar {
    background: #222222;
    color: rgba(255,255,255,0.65);
    font-size: 12px;
    line-height: 1;
}
.zw-topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    flex-wrap: wrap;
    gap: 8px;
}
.zw-topbar__welcome {
    color: rgba(255,255,255,0.88);
    font-weight: 500;
    letter-spacing: 0.2px;
}
.zw-topbar__welcome .fa-solid {
    color: var(--gold);
    margin-right: 6px;
    animation: bellSwing 2.4s ease-in-out infinite;
}
@keyframes bellSwing {
    0%, 100% { transform: rotate(0); }
    5%, 15% { transform: rotate(15deg); }
    10%, 20% { transform: rotate(-15deg); }
    25% { transform: rotate(0); }
}
.zw-topbar__links { display: flex; align-items: center; gap: 4px; }
.zw-topbar__link {
    color: rgba(255,255,255,0.50);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: var(--radius-xs);
    transition: var(--speed-fast);
    letter-spacing: 0.2px;
}
.zw-topbar__link:hover { color: #fff; background: rgba(212,148,11,0.18); }
.zw-topbar__link .fa-solid { margin-right: 4px; font-size: 10px; opacity: 0.65; }
.zw-topbar__time { color: rgba(255,255,255,0.40); font-size: 12px; letter-spacing: 0.4px; }

/* ===== 头部区域 ===== */
.zw-header {
    background: #fff;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}
.zw-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}
.zw-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    text-decoration: none;
}
.zw-logo__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--brand) 0%, #155A30 100%);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
    flex-shrink: 0;
    box-shadow: 0 3px 12px rgba(26,107,60,0.28);
    transition: var(--speed);
}
.zw-logo__text {
    font-size: 21px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.3px;
    transition: var(--speed-fast);
    white-space: nowrap;
}
.zw-logo:hover .zw-logo__text { color: var(--brand); }
.zw-logo:hover .zw-logo__icon {
    transform: scale(1.06);
    box-shadow: 0 5px 18px rgba(26,107,60,0.35);
}

/* 头部右侧搜索热词 */
.zw-hotwords {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
}
.zw-hotwords__label {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--red);
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.2px;
}
.zw-hotwords__label .fa-solid {
    font-size: 15px;
    animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.55; transform: scale(1.12); } }
.zw-hotwords__list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
}
.zw-hotwords__tag {
    display: inline-block;
    padding: 4px 14px;
    font-size: 12px;
    color: var(--text-light);
    background: var(--brand-lighter);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    white-space: nowrap;
    transition: var(--speed-fast);
    font-weight: 500;
    letter-spacing: 0.1px;
}
.zw-hotwords__tag:hover {
    color: #fff;
    background: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 3px 10px rgba(26,107,60,0.22);
    transform: translateY(-1px);
}

/* ===== 主导航 ===== */
.zw-navbar {
    background: var(--bg-nav);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}
.zw-navbar__list {
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.zw-navbar__list::-webkit-scrollbar { display: none; }
.zw-navbar__link {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 15px 26px;
    color: rgba(255,255,255,0.80);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--speed-fast);
    position: relative;
    letter-spacing: 0.3px;
}
.zw-navbar__link .fa-solid { font-size: 13px; opacity: 0.65; transition: var(--speed-fast); }
.zw-navbar__link:hover {
    color: #fff;
    background: rgba(255,255,255,0.07);
}
.zw-navbar__link:hover .fa-solid { opacity: 1; }
.zw-navbar__link--active {
    color: #fff;
    background: rgba(255,255,255,0.10);
}
.zw-navbar__link--active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 22px;
    right: 22px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px 2px 0 0;
    transition: var(--speed);
}
.zw-navbar__link--active .fa-solid { opacity: 1; }

/* ===== 搜索栏 ===== */
.zw-search {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin-bottom: 22px;
    box-shadow: var(--shadow-xs);
    transition: var(--speed);
}
.zw-search:focus-within {
    border-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(26,107,60,0.05), var(--shadow-sm);
}
.zw-search .form-select,
.zw-search .form-control {
    height: 46px;
    border-color: var(--border);
    font-size: 14px;
    border-radius: var(--radius-sm);
    background: var(--brand-lighter);
    transition: var(--speed-fast);
}
.zw-search .form-select:focus,
.zw-search .form-control:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(26,107,60,0.08);
    background: #fff;
}
.zw-search__btn {
    height: 46px;
    padding: 0 36px;
    font-weight: 700;
    font-size: 15px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
    border: none;
    color: #fff;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--speed);
    letter-spacing: 0.5px;
}
.zw-search__btn:hover {
    box-shadow: 0 4px 16px rgba(26,107,60,0.32);
    transform: translateY(-1px);
    filter: brightness(1.08);
}
.zw-search__btn:active { transform: translateY(0); filter: brightness(0.95); }

/* ===== 内容布局 ===== */
.zw-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px 0;
}
.zw-main { min-width: 0; }

/* ===== 卡片组件 ===== */
.zw-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 22px;
    box-shadow: var(--shadow-xs);
    transition: var(--speed);
}
.zw-card:hover { box-shadow: var(--shadow); }
.zw-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 22px;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(180deg, #fff 0%, var(--brand-lighter) 100%);
}
.zw-card__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.2px;
}
.zw-card__title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--brand) 0%, var(--brand-dark) 100%);
    border-radius: 2px;
    flex-shrink: 0;
}
.zw-card__more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--brand-lighter);
    color: var(--brand);
    border-radius: 50%;
    font-size: 19px;
    font-weight: 700;
    transition: var(--speed-fast);
    text-decoration: none;
    line-height: 1;
    border: 1px solid transparent;
}
.zw-card__more:hover {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    box-shadow: 0 3px 10px rgba(26,107,60,0.25);
    transform: rotate(90deg);
}
.zw-card__body { padding: 14px 22px 18px; }

/* ===== 快捷入口标签组 ===== */
.zw-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 12px 18px;
}
.zw-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--brand-lighter);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xs);
    white-space: nowrap;
    transition: var(--speed-fast);
    letter-spacing: 0.15px;
}
.zw-tag:hover {
    color: #fff;
    background: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 2px 8px rgba(26,107,60,0.2);
    transform: translateY(-1px);
}

/* ===== 文章列表 ===== */
.zw-list__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 0;
    border-bottom: 1px solid var(--border-light);
    gap: 12px;
    transition: var(--speed-fast);
}
.zw-list__item:last-child { border-bottom: none; }
.zw-list__item:hover { background: rgba(26,107,60,0.015); margin: 0 -6px; padding-left: 6px; padding-right: 6px; border-radius: var(--radius-xs); }
.zw-list__item:hover .zw-list__title { color: var(--brand); }
.zw-list__title {
    flex: 1;
    font-size: 14px;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.65;
    font-weight: 500;
    transition: var(--speed-fast);
    position: relative;
    padding-left: 18px;
}
.zw-list__title::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    opacity: 0.35;
    transition: var(--speed-fast);
}
.zw-list__item:hover .zw-list__title::before {
    opacity: 1;
    transform: translateY(-50%) scale(1.5);
    box-shadow: 0 0 0 3px rgba(26,107,60,0.12);
}
.zw-list__date {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-muted);
    font-family: "SF Mono", "Consolas", "Monaco", monospace;
    letter-spacing: 0.3px;
}

/* ===== 分类网格 ===== */
.zw-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.zw-catcard {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: var(--speed);
}
.zw-catcard:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(26,107,60,0.18);
}
.zw-catcard__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 18px;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(180deg, #fff 0%, var(--brand-lighter) 100%);
}
.zw-catcard__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.2px;
}
.zw-catcard__icon {
    color: var(--brand);
    font-size: 15px;
    opacity: 0.85;
}
.zw-catcard__body { padding: 8px 18px 14px; }

/* ===== 面包屑 ===== */
.zw-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 18px;
}
.zw-breadcrumb a {
    color: var(--text-light);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    transition: var(--speed-fast);
}
.zw-breadcrumb a:hover { color: var(--brand); background: var(--brand-lighter); }
.zw-breadcrumb__sep { margin: 0 3px; color: var(--border); font-size: 11px; }
.zw-breadcrumb__current { color: var(--brand); font-weight: 700; }

/* ===== 页面标题 ===== */
.zw-page-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    letter-spacing: 0.2px;
}
.zw-page-title__icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(26,107,60,0.2);
}

/* ===== 详情页 ===== */
.zw-article {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 42px;
    margin-bottom: 22px;
    box-shadow: var(--shadow-xs);
}
.zw-article__title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.55;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-light);
    position: relative;
    letter-spacing: 0.2px;
}
.zw-article__title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, var(--brand) 0%, rgba(26,107,60,0.3) 100%);
    border-radius: 2px;
}
.zw-article__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    padding: 14px 0;
    margin-bottom: 22px;
    font-size: 13px;
    color: var(--text-light);
    border-bottom: 1px dashed var(--border-light);
}
.zw-article__meta i { color: var(--gold); font-size: 12px; margin-right: 5px; }
.zw-article__body {
    line-height: 1.95;
    font-size: 15px;
    color: var(--text);
}
.zw-article__body h2 {
    font-size: 1.2rem;
    margin: 30px 0 16px;
    padding: 9px 0 9px 16px;
    border-left: 4px solid var(--brand);
    background: var(--brand-lighter);
    font-weight: 700;
    color: var(--text);
    border-radius: 0 6px 6px 0;
    letter-spacing: 0.2px;
}
.zw-article__body h3 { font-size: 1.05rem; margin: 22px 0 14px; font-weight: 600; }
.zw-article__body p { margin-bottom: 16px; }
.zw-article__body img { border-radius: var(--radius); margin: 10px 0; }
.zw-article__body table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.zw-article__body th,
.zw-article__body td {
    padding: 11px 16px;
    border: 1px solid #e8e4df;
}
.zw-article__body th {
    background: rgba(26,107,60,0.04);
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}
.zw-article__body tr:nth-child(even) { background: rgba(26,107,60,0.015); }
.zw-article__tools {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
}
.zw-article__tools .btn {
    border-radius: 20px;
    padding: 5px 18px;
    font-size: 12px;
    transition: var(--speed-fast);
    font-weight: 500;
}

/* ===== 搜索结果 ===== */
.zw-result {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 26px;
    margin-bottom: 16px;
    transition: var(--speed);
    box-shadow: var(--shadow-xs);
    cursor: pointer;
}
.zw-result:hover {
    border-color: var(--brand);
    box-shadow: 0 4px 20px rgba(26,107,60,0.10);
    transform: translateY(-2px);
}
.zw-result__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.55;
    letter-spacing: 0.15px;
}
.zw-result__title a { color: var(--text); transition: var(--speed-fast); }
.zw-result__title a:hover { color: var(--brand); }
.zw-result__meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.zw-result__meta i { color: var(--gold); font-size: 11px; }
.zw-result__snippet {
    font-size: 13px;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.75;
}

/* ===== 搜索摘要 ===== */
.zw-search-summary {
    font-size: 14px;
    color: var(--text-light);
    background: var(--bg-card);
    padding: 15px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow-xs);
}
.zw-search-summary__kw {
    color: var(--red);
    font-weight: 700;
    background: var(--red-light);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    letter-spacing: 0.2px;
}

/* ===== 分页 ===== */
.zw-pagination {
    display: flex;
    justify-content: center;
    margin-top: 36px;
    gap: 4px;
}
.zw-pagination .pagination { gap: 5px; }
.zw-pagination .page-link {
    border-radius: 6px !important;
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 8px 15px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--speed-fast);
    background: #fff;
    letter-spacing: 0.2px;
}
.zw-pagination .page-link:hover {
    background: var(--brand-lighter);
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(26,107,60,0.12);
}
.zw-pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
    border-color: var(--brand);
    color: #fff;
    box-shadow: 0 3px 10px rgba(26,107,60,0.28);
}
.zw-pagination .page-item.disabled .page-link {
    color: var(--text-muted);
    background: var(--brand-lighter);
    opacity: 0.45;
}

/* ===== 友情链接 ===== */
.zw-friends {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 16px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-xs);
}
.zw-friends__head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 22px;
    border-bottom: 1px solid var(--border-light);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.2px;
}
.zw-friends__head .fa-solid { color: var(--brand); }
.zw-friends__body {
    padding: 14px 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.zw-friends__link {
    display: inline-block;
    padding: 5px 18px;
    font-size: 13px;
    color: var(--text-light);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: var(--speed-fast);
    font-weight: 500;
    letter-spacing: 0.15px;
}
.zw-friends__link:hover {
    color: #fff;
    background: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 3px 10px rgba(26,107,60,0.2);
    transform: translateY(-1px);
}

/* ===== 页脚导航 ===== */
.zw-footer-nav {
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 20px 0;
}
.zw-footer-nav__list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}
.zw-footer-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 20px;
    font-size: 14px;
    color: var(--text-light);
    font-weight: 600;
    border-radius: 20px;
    transition: var(--speed-fast);
    letter-spacing: 0.15px;
}
.zw-footer-nav__link .fa-solid { font-size: 8px; color: var(--brand); opacity: 0.6; }
.zw-footer-nav__link:hover {
    color: var(--brand);
    background: var(--brand-lighter);
}

/* ===== 底部版权 ===== */
.zw-footer {
    background: var(--brand-darker);
    color: rgba(255,255,255,0.55);
    text-align: center;
    padding: 22px 0;
    font-size: 13px;
    letter-spacing: 0.2px;
}
.zw-footer a { color: rgba(255,255,255,0.7); transition: var(--speed-fast); }
.zw-footer a:hover { color: #fff; text-decoration: underline; }

/* ===== 辅助类 ===== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0,0,0,0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ================================================================
   响应式
   ================================================================ */

/* 平板：768px - 1023px */
@media (max-width: 1023px) {
    .zw-container { padding: 0 18px; }
    .zw-category-grid { grid-template-columns: 1fr; gap: 14px; }
    .zw-header__inner {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    .zw-hotwords { justify-content: flex-start; }
    .zw-hotwords__list { justify-content: flex-start; }
    .zw-navbar__link { padding: 13px 18px; font-size: 13px; }
    .zw-article { padding: 24px 22px; }
    .zw-article__title { font-size: 1.3rem; }
    .zw-search { padding: 14px 18px; }
    .zw-search__btn { padding: 0 24px; }
}

/* 大屏手机：576px - 767px */
@media (max-width: 767px) {
    .zw-container { padding: 0 14px; }
    .zw-logo__icon { width: 40px; height: 40px; font-size: 19px; border-radius: 10px; }
    .zw-logo__text { font-size: 18px; }
    .zw-hotwords { flex-wrap: wrap; gap: 6px; }
    .zw-hotwords__label { font-size: 12px; }
    .zw-hotwords__tag { padding: 3px 12px; font-size: 11px; }
    .zw-navbar__link { padding: 11px 14px; font-size: 12px; gap: 5px; }
    .zw-navbar__link .fa-solid { font-size: 11px; }
    .zw-search { padding: 12px 14px; }
    .zw-search .form-select,
    .zw-search .form-control { height: 42px; font-size: 13px; }
    .zw-search__btn { height: 42px; font-size: 14px; padding: 0 20px; }
    .zw-card__head { padding: 12px 16px; }
    .zw-card__title { font-size: 15px; }
    .zw-card__title::before { height: 17px; }
    .zw-card__body { padding: 10px 16px 14px; }
    .zw-tags { padding: 10px 14px; gap: 6px; }
    .zw-tag { padding: 4px 12px; font-size: 11px; }
    .zw-list__item { padding: 9px 0; }
    .zw-list__title { font-size: 13px; padding-left: 16px; }
    .zw-list__title::before { width: 5px; height: 5px; }
    .zw-list__date { font-size: 11px; }
    .zw-catcard__head { padding: 11px 16px; }
    .zw-catcard__title { font-size: 14px; }
    .zw-catcard__body { padding: 6px 16px 10px; }
    .zw-article { padding: 20px 18px; }
    .zw-article__title { font-size: 1.25rem; }
    .zw-article__meta { gap: 14px; font-size: 12px; }
    .zw-article__body { font-size: 14px; }
    .zw-article__body h2 { font-size: 1.05rem; }
    .zw-result { padding: 16px 18px; }
    .zw-result__title { font-size: 14px; }
    .zw-result__snippet { font-size: 12px; }
    .zw-breadcrumb { font-size: 12px; }
    .zw-page-title { font-size: 1.2rem; }
    .zw-page-title__icon { width: 32px; height: 32px; font-size: 15px; border-radius: 8px; }
    .zw-friends__body { padding: 12px 16px; }
    .zw-friends__link { padding: 4px 14px; font-size: 12px; }
    .zw-footer-nav__link { padding: 5px 14px; font-size: 13px; }
    .zw-pagination .page-link { padding: 6px 12px; font-size: 13px; }
}

/* 小屏手机：<= 575px */
@media (max-width: 575px) {
    .zw-container { padding: 0 10px; }
    .zw-topbar__links { display: none !important; }
    .zw-topbar__welcome { font-size: 11px; }
    .zw-logo__icon { width: 34px; height: 34px; font-size: 16px; border-radius: 8px; }
    .zw-logo__text { font-size: 16px; }
    .zw-hotwords__list { gap: 5px; }
    .zw-hotwords__tag { padding: 3px 10px; font-size: 11px; }
    .zw-navbar__link { padding: 10px 12px; font-size: 12px; gap: 4px; }
    .zw-search { padding: 10px 12px; border-radius: var(--radius-sm); }
    .zw-search .row { --bs-gutter-y: 7px; }
    .zw-search__btn { width: 100%; height: 40px; font-size: 14px; }
    .zw-search .form-select,
    .zw-search .form-control { height: 38px; font-size: 13px; }
    .zw-list__item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        padding: 8px 0;
    }
    .zw-list__title {
        font-size: 13px;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        padding-left: 16px;
    }
    .zw-list__date { font-size: 10px; align-self: flex-end; }
    .zw-list__item:hover { margin: 0 -4px; padding-left: 4px; padding-right: 4px; }
    .zw-article { padding: 14px 12px; }
    .zw-article__title { font-size: 1.1rem; padding-bottom: 14px; margin-bottom: 14px; }
    .zw-article__meta { flex-direction: column; gap: 6px; padding: 10px 0; }
    .zw-article__body { font-size: 13px; }
    .zw-article__body h2 { font-size: 0.95rem; padding: 6px 0 6px 12px; border-left-width: 3px; }
    .zw-result { padding: 14px 14px; }
    .zw-result__title { font-size: 13px; }
    .zw-result__snippet { -webkit-line-clamp: 3; font-size: 12px; }
    .zw-category-grid { grid-template-columns: 1fr; gap: 12px; }
    .zw-tags { gap: 6px; padding: 10px 12px; }
    .zw-tag { padding: 3px 11px; font-size: 11px; }
    .zw-footer-nav__link { padding: 4px 12px; font-size: 12px; }
    .zw-footer { font-size: 11px; padding: 18px 0; }
    .zw-pagination .page-link { padding: 5px 10px; font-size: 12px; }
    .zw-breadcrumb { font-size: 11px; }
    .zw-page-title { font-size: 1.05rem; }
    .zw-search-summary { padding: 12px 14px; font-size: 12px; }
}