/* ==========================================================================
   域名管理系统 · 前台展示设计系统
   设计基调：高级、可信的域名展示门面
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
    --ink-900: #0d1b33;
    --ink-800: #14264a;
    --ink-700: #1d3563;
    --azure-600: #1e6eff;
    --azure-500: #3d84ff;
    --azure-100: #dbe8ff;
    --azure-50: #eef4ff;
    --gold-600: #d98a06;
    --gold-500: #f5a623;
    --gold-100: #f6e2b8;
    --gold-50: #fdf3e0;
    --green-600: #149a5b;
    --red-600: #e5484d;

    --bg: #f4f6fb;
    --surface: #ffffff;
    --line: #e4e8f1;
    --line-strong: #d3d9e6;
    --text-1: #1b2437;
    --text-2: #5b6579;
    --text-3: #9aa3b5;

    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 14px;
    --shadow-1: 0 1px 2px rgba(13, 27, 51, .05), 0 1px 3px rgba(13, 27, 51, .07);
    --shadow-2: 0 8px 26px rgba(13, 27, 51, .10);
    --shadow-3: 0 18px 48px rgba(13, 27, 51, .16);

    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
    --ease: cubic-bezier(.33, 1, .68, 1);
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: var(--bg);
    font-family: var(--font-body);
    color: var(--text-1);
    -webkit-font-smoothing: antialiased;
}
/* 顶部氛围光晕（克制） */
body::before {
    content: '';
    position: fixed;
    top: -220px; left: 50%;
    transform: translateX(-50%);
    width: 900px; height: 420px;
    background: radial-gradient(ellipse at center, rgba(30, 110, 255, .10) 0%, rgba(30, 110, 255, 0) 68%);
    pointer-events: none;
    z-index: 0;
}

/* ==========================================================================
   头部与导航
   ========================================================================== */
.site-header {
    background: linear-gradient(120deg, var(--ink-800) 0%, var(--ink-700) 55%, #274a86 100%);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 14px rgba(13, 27, 51, .22);
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 60px;
}
.site-logo {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: .5px;
    display: flex;
    align-items: center;
    gap: 9px;
}
.site-logo::before {
    content: '';
    width: 9px; height: 9px;
    border-radius: 2px;
    background: var(--azure-500);
    box-shadow: 0 0 12px rgba(61, 132, 255, .9);
}
.site-logo:hover, .site-logo:visited { color: #fff; text-decoration: none; }
.header-right { display: flex; align-items: center; gap: 8px; }
.header-nav { display: flex; align-items: center; gap: 26px; }
.header-nav a {
    color: rgba(255, 255, 255, .78);
    text-decoration: none;
    font-size: 15px;
    white-space: nowrap;
    position: relative;
    padding: 4px 0;
    transition: color .2s;
}
.header-nav a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 2px;
    border-radius: 1px;
    background: var(--azure-500);
    transition: width .25s var(--ease);
}
.header-nav a:hover { color: #fff; }
.header-nav a:hover::after { width: 100%; }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

/* 移动端导航面板 */
.mobile-nav-panel {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: linear-gradient(135deg, var(--ink-800), var(--ink-700));
    z-index: 998;
    box-shadow: 0 8px 24px rgba(13, 27, 51, .3);
    padding: 8px 0;
}
.mobile-nav-panel.show { display: block; animation: slideDown .25s var(--ease); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.mobile-nav-panel a {
    display: block;
    padding: 13px 26px;
    color: rgba(255, 255, 255, .9);
    text-decoration: none;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    transition: background .2s;
}
.mobile-nav-panel a:last-child { border-bottom: none; }
.mobile-nav-panel a:hover { background: rgba(255, 255, 255, .08); }
.mobile-nav-mask {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0; bottom: 0;
    background: rgba(13, 27, 51, .35);
    z-index: 997;
}
.mobile-nav-mask.show { display: block; }

/* ==========================================================================
   主体与页脚
   ========================================================================== */
.site-main { max-width: 1200px; margin: 26px auto; padding: 0 20px; position: relative; z-index: 1; }
.site-footer {
    background: var(--ink-900);
    color: rgba(255, 255, 255, .55);
    text-align: center;
    padding: 26px 20px;
    font-size: 13px;
    margin-top: 48px;
}

/* ==========================================================================
   筛选栏
   ========================================================================== */
.filter-bar {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 20px 22px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-1);
}
.filter-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.filter-form .layui-input { height: 38px; border-radius: var(--r-sm); }
.filter-form .layui-btn { height: 38px; line-height: 38px; border-radius: var(--r-sm); transition: all .2s var(--ease); }
.filter-form .layui-btn:hover { transform: translateY(-1px); }

/* 视图切换与结果信息 */
.view-toggle { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; }
.toggle-btns .layui-btn { padding: 0 16px; height: 34px; line-height: 34px; border-radius: var(--r-sm); transition: all .2s; }
.toggle-btns .layui-btn-primary { border-color: var(--line-strong); }
.toggle-btns .layui-btn-primary.active { background: var(--azure-600); color: #fff; border-color: var(--azure-600); }
.result-info { color: var(--text-3); font-size: 14px; }
.result-info b { color: var(--azure-600); font-family: var(--font-mono); }

/* ==========================================================================
   域名卡片
   ========================================================================== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 16px; }
.domain-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 20px 22px;
    transition: all .3s var(--ease);
    box-shadow: var(--shadow-1);
    position: relative;
    overflow: hidden;
    color: inherit;
    animation: cardIn .5s var(--ease) both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
/* 入场错峰 */
.card-grid .domain-card:nth-child(2) { animation-delay: .04s; }
.card-grid .domain-card:nth-child(3) { animation-delay: .08s; }
.card-grid .domain-card:nth-child(4) { animation-delay: .12s; }
.card-grid .domain-card:nth-child(5) { animation-delay: .16s; }
.card-grid .domain-card:nth-child(6) { animation-delay: .20s; }
.card-grid .domain-card:nth-child(n+7) { animation-delay: .24s; }

.domain-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2);
    border-color: var(--azure-100);
}
.domain-card.is-featured { border-color: var(--gold-100); }
.card-ribbon { position: absolute; top: -1px; left: -1px; z-index: 2; }
.card-ribbon::before {
    content: '置顶';
    display: inline-block;
    padding: 3px 14px 3px 10px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(120deg, var(--gold-500), #ff8a3d);
    border-radius: 0 0 12px 0;
    letter-spacing: 1px;
}
.card-header-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-domain {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-1);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
    font-family: var(--font-mono);
    letter-spacing: -.3px;
    transition: color .2s;
}
.domain-card:hover .card-domain { color: var(--azure-600); }
.card-tag {
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 600;
}
.tag-fixed { background: var(--gold-50); color: var(--gold-600); border: 1px solid var(--gold-100); }
.tag-inquiry { background: var(--azure-50); color: var(--azure-600); border: 1px solid var(--azure-100); }
.card-divider { border: none; border-top: 1px dashed var(--line); margin: 12px 0; }
.card-desc {
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.6;
    display: flex;
    align-items: center;
    min-height: 42px;
    max-height: 42px;
    overflow: hidden;
    word-break: break-all;
}
.card-price { font-size: 24px; color: var(--gold-600); font-weight: 700; font-family: var(--font-mono); letter-spacing: -.5px; }

/* 表格视图 */
.table-wrap {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow-1);
}
.table-wrap table { width: 100%; border-collapse: collapse; min-width: 520px; }
.table-wrap th {
    background: #f7f9fd;
    padding: 13px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12.5px;
    color: var(--text-2);
    border-bottom: 1px solid var(--line);
    letter-spacing: .4px;
}
.table-wrap td { padding: 13px 16px; border-bottom: 1px solid #f0f3f9; font-size: 14px; color: var(--text-1); transition: background .15s; }
.table-wrap tr:hover td { background: #f6f9ff; }
.table-wrap tr:last-child td { border-bottom: none; }
.domain-link { color: var(--azure-600); text-decoration: none; font-weight: 600; font-family: var(--font-mono); }
.domain-link:hover { text-decoration: underline; }

/* ==========================================================================
   公告条
   ========================================================================== */
.notice-bar {
    background: var(--azure-50);
    border: 1px solid var(--azure-100);
    border-radius: var(--r-md);
    padding: 13px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink-700);
    font-size: 14px;
    line-height: 1.6;
    animation: cardIn .4s var(--ease);
}
.notice-bar i { font-size: 20px; flex-shrink: 0; color: var(--azure-600); }
.notice-bar .notice-content { flex: 1; min-width: 0; word-break: break-word; }
.notice-bar .notice-close {
    background: none;
    border: none;
    color: var(--azure-600);
    font-size: 18px;
    cursor: pointer;
    flex-shrink: 0;
    line-height: 1;
    padding: 2px;
    opacity: .6;
    transition: opacity .2s;
}
.notice-bar .notice-close:hover { opacity: 1; }

/* ==========================================================================
   分页与空状态
   ========================================================================== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 28px; padding-bottom: 34px; flex-wrap: wrap; }
.pagination a, .pagination span {
    display: inline-block;
    padding: 7px 15px;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-sm);
    font-size: 14px;
    text-decoration: none;
    color: var(--text-2);
    cursor: pointer;
    background: var(--surface);
    transition: all .2s var(--ease);
}
.pagination a:hover { border-color: var(--azure-500); color: var(--azure-600); transform: translateY(-1px); }
.pagination .active { background: var(--azure-600); color: #fff; border-color: var(--azure-600); font-weight: 600; }
.empty-state { text-align: center; padding: 90px 20px; color: var(--text-3); }
.empty-state i { font-size: 58px; color: #ccd4e4; display: block; margin-bottom: 14px; }
.empty-state p { font-size: 15px; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .header-nav { display: none; }
    .header-inner { height: 54px; }
    .mobile-nav-panel { top: 54px; }
    .mobile-nav-mask { top: 54px; }
    .site-logo { font-size: 17px; }
    .site-main { padding: 0 12px; margin: 14px auto; }
    .filter-bar { padding: 14px; border-radius: var(--r-md); }
    .filter-form { flex-direction: column; gap: 8px; }
    .filter-form .layui-input, .filter-form select { width: 100% !important; }
    .filter-form .layui-btn { width: 100%; }
    .filter-form .btn-group { display: flex; gap: 8px; width: 100%; }
    .filter-form .btn-group .layui-btn { flex: 1; }
    .card-grid { grid-template-columns: 1fr; gap: 12px; }
    .domain-card { padding: 16px 18px; }
    .card-domain { font-size: 16px; }
    .card-tag { font-size: 11px; }
    .card-price { font-size: 19px; }
    .view-toggle { flex-direction: column; gap: 10px; align-items: flex-start; }
    .pagination a, .pagination span { padding: 5px 11px; font-size: 13px; }
    .site-footer { padding: 18px 12px; font-size: 12px; }
}
@media (min-width: 769px) {
    .mobile-nav-panel, .mobile-nav-mask { display: none !important; }
}