* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

:root {
    --primary: #3a9a7e;
    --primary-light: #4db897;
    --primary-dark: #2d7e66;
    --bg: #f5f6f8;
    --card-bg: #fff;
    --text: #333;
    --text-light: #666;
    --text-muted: #999;
    --border: #eee;
    --tag-bg: #e6f7ee;
    --price: #e93b3b;
    --member: #f0a020;
    --radius: 4px;
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
    --container: 1200px;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 14px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input { font-family: inherit; outline: none; }
select { font-family: inherit; outline: none; }

.wrap {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0;
}

/* ===== Top Bar ===== */
.top-bar {
    width: 100%;
    background: #f5f6f8;
    height: 32px;
    line-height: 32px;
    font-size: 12px;
    color: #888;
}
.top-bar .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
}
.top-bar-links a {
    margin-left: 8px;
    color: #888;
    transition: color .2s;
}
.top-bar-links a:hover { color: var(--primary); }
.top-bar-links .sep { color: #ccc; margin: 0 4px; }

/* ===== 顶部会员中心区域：最新入库 / 资料悬赏 / 开通VIP / 会员中心 ===== */
.top-bar-links .tb-item {
    margin-left: 8px;
    color: #667;
    position: relative;
    display: inline-block;
}
/* 资料悬赏：突出显示为醒目的胶囊按钮 */
.top-bar-links .tb-reward {
    color: #fff;
    background: linear-gradient(135deg, #ff7a18, #ff3d3d);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(255,61,61,.35);
    margin-left: 8px;
}
.top-bar-links .tb-reward:hover { color: #fff; filter: brightness(1.05); }
/* 最新入库：右上角 NEW 角标（上标形式，避免被顶部裁切） */
.top-bar-links .tb-latest { padding-right: 2px; }
.top-bar-links .new-badge {
    display: inline-block;
    vertical-align: super;
    font-size: 9px;
    line-height: 1;
    font-weight: 700;
    color: #fff;
    background: #ff3d3d;
    border-radius: 3px;
    padding: 1px 3px;
    margin-left: 3px;
    box-shadow: 0 1px 2px rgba(255,61,61,.35);
}

/* PC 端：nav-wrap 里的四项重复项隐藏（已在 top-bar 显示），移动端保留在汉堡菜单 */
@media (min-width: 769px) {
    .nav-top-links { display: none; }
}

/* ===== Header ===== */
.header {
    width: 100%;
    background: #fff;
}
.header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 96px;
    position: relative;
}
.header-logo {
    font-size: 34px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    flex-shrink: 0;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}
.header-logo img {
    max-width: 200px;
    max-height: 40px;
    object-fit: contain;
    display: block;
}
.header-search {
    flex: 0 0 460px;
    position: relative;
}
.header-search form {
    display: flex;
    border: 2px solid var(--primary);
    border-radius: 2px;
    overflow: hidden;
    height: 42px;
}
.search-type {
    display: flex;
    align-items: center;
    padding: 0 14px;
    font-size: 14px;
    color: #666;
    background: #fff;
    border-right: 1px solid #e8e8e8;
    position: relative;
    cursor: pointer;
    min-width: 70px;
    justify-content: center;
}
.search-type::after {
    display: none;
}
.header-search input {
    flex: 1;
    height: 100%;
    border: none;
    padding: 0 14px;
    font-size: 14px;
    background: #fff;
    color: #333;
}
.header-search input::placeholder { color: #bbb; }
.header-search button {
    width: 80px;
    background: var(--primary);
    color: #fff;
    font-size: 20px;
    transition: background .2s;
    flex-shrink: 0;
}
.header-search button:hover { background: var(--primary-dark); }

.hot-search {
    margin-top: 6px;
    font-size: 12px;
    color: #aaa;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.hot-search .label { color: #999; }
.hot-search span {
    margin-right: 12px;
    cursor: pointer;
    transition: color .2s;
}
.hot-search span:hover { color: var(--primary); }

.header-right {
    flex-shrink: 0;
}
.qr-mini {
    display: flex;
    align-items: flex-start;
    gap: 6px;
}
.qr-mini-icon {
    width: 46px;
    height: 50px;
    background: #fff;
    border: 2px solid var(--primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--primary);
    font-size: 22px;
}
.qr-mini-icon svg {
    width: 30px;
    height: 30px;
}
.qr-mini-icon::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid #fff;
}
.qr-mini-tag {
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 14px;
    margin-top: 0;
    white-space: nowrap;
}
.qr-popup {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    display: none;
    z-index: 100;
    text-align: center;
    min-width: 140px;
}
.qr-popup::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: #fff;
    border-left: 1px solid #eee;
    border-top: 1px solid #eee;
}
.qr-popup img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
}
.qr-popup-text {
    font-size: 12.5px;
    color: #334155;
    margin-top: 10px;
    font-weight: 600;
    letter-spacing: .2px;
}
.qr-popup-text::before {
    content: '';
    display: inline-block;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: #0e9663;
    margin-right: 5px;
    vertical-align: middle;
}
.qr-mini:hover .qr-popup {
    display: block;
}

/* ===== Nav ===== */
.nav-wrap {
    width: 100%;
    background: var(--primary);
    border-bottom: 2px solid var(--primary);
}
.nav {
    display: flex;
    align-items: center;
    height: 42px;
    position: relative;
}
.nav a {
    color: #fff;
    padding: 0 24px;
    font-size: 15px;
    height: 42px;
    line-height: 42px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background .2s;
}
.nav a:hover { background: var(--primary-dark); }
.nav a.nav-reward {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin: 0 8px;
    padding: 0 12px;
    height: 30px;
    line-height: 30px;
    align-self: center;
    border-radius: 15px;
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, .35);
}
.nav a.nav-reward:hover { background: linear-gradient(135deg, #fbbf24 0%, #fb923c 100%); box-shadow: 0 3px 12px rgba(245, 158, 11, .45); }
.nav a.nav-reward.on { background: linear-gradient(135deg, #d97706 0%, #ea580c 100%); }
.nav a.nav-reward svg { width: 15px; height: 15px; flex-shrink: 0; }
.nav a.nav-reward .nav-hot {
    font-style: normal; font-size: 9px; font-weight: 800; line-height: 1;
    letter-spacing: .3px; background: #fff; color: #ea580c;
    border-radius: 5px; padding: 2px 4px;
}

.nav a.active {
    background: #fff;
    color: var(--primary);
    font-weight: 600;
    height: 44px;
    line-height: 44px;
    margin-top: -2px;
    border-radius: 3px 3px 0 0;
}
.nav-search-wrap {
    margin-left: auto;
    position: relative;
}
.nav-search-trigger {
    color: #fff;
    padding: 0 28px;
    font-size: 15px;
    height: 42px;
    line-height: 42px;
    cursor: pointer;
    display: inline-block;
    transition: background .2s;
}
.nav-search-trigger:hover { background: var(--primary-dark); }
.nav-search-box {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border: 1px solid #eee;
    border-top: none;
    border-radius: 0 0 6px 6px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: none;
    z-index: 100;
    min-width: 320px;
}
.nav-search-wrap:hover .nav-search-box {
    display: block;
}
.nav-search-box form {
    display: flex;
    gap: 8px;
}
.nav-search-box input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color .2s;
}
.nav-search-box input:focus { border-color: var(--primary); }
.nav-search-box button {
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background .2s;
    white-space: nowrap;
}
.nav-search-box button:hover { background: var(--primary-dark); }

/* ===== Main Layout ===== */
.main-wrap {
    padding: 16px 0 30px;
}
.main-grid {
    display: grid;
    grid-template-columns: 200px 1fr 230px;
    gap: 14px;
    align-items: stretch;
}

.sidebar-left {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius);
    overflow: visible;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    position: relative;
}

.sidebar-left .side-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid #eee;
}
.sidebar-left .side-nav-item:first-child {
    border-radius: 4px 4px 0 0;
}
.sidebar-left .side-nav-item:last-child {
    border-radius: 0 0 4px 4px;
    border-bottom: none;
}

.main-center {
    display: flex;
    flex-direction: column;
}

.banner-box {
    flex: 1;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    height: 350px;
    background: linear-gradient(180deg, #9bc8eb 0%, #7ab0db 40%, #6ba4d1 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.carousel {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 350px;
}
.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: 0;
}
.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}
.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.carousel-slide a {
    display: block;
    width: 100%;
    height: 100%;
}
.carousel-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}
.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s;
}
.carousel-dot.active {
    background: #fff;
}

.sidebar-right {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* ===== Category Flyout Panel ===== */
.side-nav-cat {
    position: relative;
}
.cat-flyout {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    width: 520px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 16px 20px;
    z-index: 300;
    border: 1px solid #eee;
}
.side-nav-cat:hover .cat-flyout {
    display: block;
}
.cat-flyout::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    bottom: 0;
    width: 12px;
}
.cat-flyout-group {
    padding: 8px 0;
    border-bottom: 1px dashed #f0f0f0;
}
.cat-flyout-group:last-child { border-bottom: none; }
.cat-flyout-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
    display: inline-block;
}
.cat-flyout-title:hover { text-decoration: underline; }
.cat-flyout-subs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 0;
}
.cat-flyout-sub {
    font-size: 13px;
    color: #666;
    padding: 3px 14px;
    border-radius: 12px;
    transition: all .2s;
    white-space: nowrap;
}
.cat-flyout-sub:hover {
    background: var(--tag-bg);
    color: var(--primary);
}

.stats-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 18px 18px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}
.side-nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: transparent;
    transition: background .2s;
}
.side-nav-item:hover::before { background: var(--primary); }
.side-nav-item:hover { background: #fafafa; }
.side-nav-item:last-child { border-bottom: none; }
.side-nav-top {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.side-nav-icon {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #555;
}
.side-nav-icon svg {
    width: 24px;
    height: 24px;
}
.side-nav-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}
.side-nav-desc {
    font-size: 12px;
    color: #bbb;
    margin-top: 4px;
    text-align: center;
}

.stats-card::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 0;
    width: 80px;
    height: 100px;
    background: radial-gradient(circle, rgba(255,180,180,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.stats-card::before {
    content: '';
    position: absolute;
    right: 8px;
    top: 16px;
    width: 50px;
    height: 70px;
    background-image: radial-gradient(circle, rgba(255,180,180,0.25) 1.5px, transparent 1.5px);
    background-size: 10px 10px;
    pointer-events: none;
    opacity: 0.5;
}
.stats-title {
    font-size: 16px;
    color: #333;
    margin-bottom: 6px;
    position: relative;
    display: inline-block;
}
.stats-title::before {
    content: '▶';
    position: absolute;
    left: -16px;
    top: 3px;
    font-size: 11px;
    color: #f5a0a0;
    opacity: 0.6;
}
.stats-num {
    font-size: 34px;
    font-weight: 700;
    color: #222;
    margin-bottom: 2px;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}
.stats-unit { font-size: 14px; color: #666; font-weight: normal; margin-left: 2px; }
/* 侧栏数据卡：近30天/近7天新增 + 最近更新日期 */
.stats-total { line-height: 1.15; }
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.stats-metric {
    background: #f1f8f4;
    border-radius: 6px;
    padding: 7px 4px 6px;
}
.stats-metric-label {
    font-size: 11px;
    color: #6b8a7c;
    line-height: 1.4;
    white-space: nowrap;
}
.stats-metric-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.25;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}
.stats-updated {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 10px;
    font-size: 12px;
    color: #98a2ab;
    white-space: nowrap;
}
.stats-updated-sub {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 5px;
    font-size: 11px;
    color: #b0bac4;
    white-space: nowrap;
}
.stats-updated-sub b {
    display: inline-block;
    min-width: 16px;
    padding: 0 5px;
    border-radius: 9px;
    background: #e8f5ef;
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    text-align: center;
}
.stats-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    flex: none;
}
.upload-btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 7px 28px;
    border-radius: 18px;
    font-size: 14px;
    margin: 12px 0 8px;
    transition: background .2s;
}
.upload-btn:hover { background: var(--primary-dark); }
.stats-divider {
    display: flex;
    align-items: center;
    margin: 6px 0 8px;
    color: #ccc;
    font-size: 12px;
}
.stats-divider::before, .stats-divider::after {
    content: '';
    flex: 1;
    border-top: 1px dashed #e8e8e8;
}
.stats-divider span { padding: 0 8px; color: #aaa; }
.stats-desc {
    font-size: 12px;
    color: #999;
    margin-bottom: 14px;
}
.stats-tags {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid #f2f4f6;
}
.stats-tag {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 12px;
    color: #999;
}
.stats-tag-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    margin-bottom: 4px;
}

/* ===== Banner ===== */
.banner-inner {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
/* Torn paper effect */
.banner-paper {
    position: relative;
    width: 80%;
    height: 75%;
    background: #f7f7f5;
    border-radius: 2px;
    transform: rotate(-0.5deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.banner-paper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(90deg, rgba(200,200,200,0.3) 1px, transparent 1px),
        linear-gradient(rgba(200,200,200,0.3) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.5;
    pointer-events: none;
}
.banner-paper::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 0;
    right: 0;
    height: 12px;
    background: 
        radial-gradient(circle at 10px 0, transparent 8px, #f7f7f5 8px) repeat-x;
    background-size: 20px 12px;
}
.banner-title {
    font-size: 56px;
    font-weight: 700;
    color: #2c5282;
    letter-spacing: 6px;
    font-family: "Microsoft YaHei", sans-serif;
    position: relative;
    z-index: 2;
    text-shadow: none;
}
.banner-subtitle {
    font-size: 20px;
    color: #5a7a9a;
    margin-top: 8px;
    position: relative;
    z-index: 2;
}
.banner-btn {
    display: inline-block;
    background: #f5a623;
    color: #fff;
    padding: 12px 40px;
    border-radius: 24px;
    font-size: 20px;
    font-weight: 700;
    transition: all .3s;
    margin-top: 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 3px 10px rgba(245,166,35,0.4);
}
.banner-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,166,35,0.5);
}
/* Decorative elements */
.banner-books {
    position: absolute;
    left: 20px;
    bottom: 20px;
    width: 120px;
    height: 100px;
    z-index: 3;
}
.book-stack {
    position: relative;
    width: 100%;
    height: 100%;
}
.book-1 {
    position: absolute;
    bottom: 0;
    left: 10px;
    width: 100px;
    height: 22px;
    background: #3a7abd;
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.book-1::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 4px;
    width: 8px;
    height: 14px;
    background: rgba(255,255,255,0.3);
    border-radius: 1px;
}
.book-2 {
    position: absolute;
    bottom: 22px;
    left: 20px;
    width: 95px;
    height: 22px;
    background: #d4a547;
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.book-2::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 4px;
    width: 8px;
    height: 14px;
    background: rgba(255,255,255,0.3);
    border-radius: 1px;
}
.book-3 {
    position: absolute;
    bottom: 44px;
    left: 30px;
    width: 90px;
    height: 22px;
    background: #4aaa7a;
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.book-3::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 4px;
    width: 8px;
    height: 14px;
    background: rgba(255,255,255,0.3);
    border-radius: 1px;
}
.book-open {
    position: absolute;
    right: 30px;
    bottom: 30px;
    width: 100px;
    height: 80px;
    z-index: 3;
}
.book-open-left {
    position: absolute;
    left: 0;
    top: 10px;
    width: 48px;
    height: 60px;
    background: #fff;
    border-radius: 2px 0 0 2px;
    transform: perspective(100px) rotateY(-15deg);
    box-shadow: -2px 2px 8px rgba(0,0,0,0.15);
}
.book-open-right {
    position: absolute;
    right: 0;
    top: 0;
    width: 52px;
    height: 70px;
    background: #e8e8e8;
    border-radius: 0 4px 4px 0;
    transform: perspective(100px) rotateY(10deg);
    box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
}
.book-open-right::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 10px;
    right: 8px;
    bottom: 10px;
    background: #f5f5f5;
    border-radius: 2px;
}
.banner-arrow {
    position: absolute;
    left: 15%;
    top: 20%;
    width: 50px;
    height: 50px;
    z-index: 4;
}
.banner-arrow svg {
    width: 100%;
    height: 100%;
}
.banner-highlight {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translateX(-50%);
    width: 55%;
    height: 16px;
    background: rgba(255, 220, 100, 0.6);
    border-radius: 8px;
    z-index: 1;
}
.banner-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}
.banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: all .3s;
}
.banner-dot.active {
    width: 10px;
    border-radius: 50%;
    background: var(--primary);
    transform: scale(1.2);
}

/* ===== Column Section ===== */
.column-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    padding: 18px 20px;
}
.column-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid #eee;
    transition: all .3s;
    background: #fff;
    display: block;
}
.column-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
    border-color: transparent;
}
.column-cover {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 14px;
}
.column-cover-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.column-cover-deco span {
    position: absolute;
    opacity: 0.3;
    font-size: 16px;
}
.deco-plane { top: 10px; right: 12px; font-size: 20px; transform: rotate(-15deg); }
.deco-star { top: 14px; left: 14px; font-size: 14px; }
.deco-bulb { bottom: 10px; right: 16px; font-size: 18px; }
.deco-cloud { bottom: 12px; left: 10px; font-size: 20px; }
.column-cover-title {
    font-size: 15px;
    font-weight: 700;
    text-align: center;
    line-height: 1.4;
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
    padding: 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.column-info {
    padding: 10px 12px 12px;
}
.column-title {
    font-size: 13px;
    color: #444;
    line-height: 1.5;
    height: 38px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 6px;
}
.column-card:hover .column-title { color: var(--primary); }
.column-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.column-member {
    font-size: 11px;
    color: var(--member);
    background: #fff4e6;
    padding: 2px 8px;
    border-radius: 10px;
}
.column-price {
    color: var(--price);
    font-size: 15px;
    font-weight: 700;
}

/* ===== Category Nav Bar ===== */
.cat-bar {
    background: #fff;
    border-radius: var(--radius);
    margin-top: 14px;
    padding: 16px 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
}
.cat-bar-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 10px;
    cursor: pointer;
    transition: background .2s;
    position: relative;
}
.cat-bar-item:not(:last-child)::after {
    content: '/';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #e0e0e0;
    font-size: 20px;
    font-weight: 300;
}
.cat-bar-item:hover .cat-bar-name { color: var(--primary); }
.cat-bar-icon {
    width: 40px;
    height: 40px;
    background: #e8f5ee;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}
.cat-bar-icon svg {
    width: 24px;
    height: 24px;
}
.cat-bar-icon img {
    display: none;
}
.cat-bar-text {
    min-width: 0;
    text-align: left;
}
.cat-bar-name {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    transition: color .2s;
}
.cat-bar-desc {
    font-size: 12px;
    color: #aaa;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Section Common ===== */
.section {
    background: #fff;
    border-radius: var(--radius);
    margin-top: 18px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    overflow: hidden;
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid #f5f5f5;
}
.section-title {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    position: relative;
    padding-left: 10px;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background: var(--primary);
    border-radius: 2px;
}
.section-more {
    font-size: 13px;
    color: #999;
    transition: color .2s;
}
.section-more:hover { color: var(--primary); }

.section-sub-tabs-inline {
    display: flex;
    gap: 16px;
    margin-left: 12px;
    flex: 1;
}
.section-sub-tabs-inline a {
    font-size: 13px;
    color: #888;
    text-decoration: none;
    white-space: nowrap;
    transition: color .2s;
}
.section-sub-tabs-inline a:hover {
    color: var(--primary);
}

.section-body { padding: 14px 20px 18px; }

/* ===== Tab Nav ===== */
.tab-nav {
    display: flex;
    padding: 0 20px;
    border-bottom: 1px solid #f5f5f5;
    gap: 30px;
}
.tab-nav a {
    padding: 12px 0;
    font-size: 14px;
    color: #666;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all .2s;
    cursor: pointer;
}
.tab-nav a:hover { color: var(--primary); }
.tab-nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}
/* tab 栏右侧「全部资料」等跳转链接（不能 preventDefault，必须可点） */
.tab-nav .all-link {
    display: flex; align-items: center; gap: 4px; flex: none;
    font-size: 13px; color: #999; text-decoration: none;
    padding: 12px 0; border-bottom: 2px solid transparent; margin-bottom: -1px;
    transition: color .2s; cursor: pointer;
}
.tab-nav .all-link:hover { color: var(--primary); }
.tab-content { padding: 10px 20px 16px; }

/* ===== Article List ===== */
.article-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
    color: #000;
    transition: color .2s;
}
.article-list-item:hover { color: var(--primary); }
.article-list-item .date {
    color: #bbb;
    font-size: 12px;
    flex-shrink: 0;
    margin-left: 16px;
}
.article-list-item .title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Product Grid ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    padding: 18px 20px;
}
.product-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid #eee;
    transition: all .3s;
    background: #fff;
    height: 325px;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
    border-color: transparent;
}
.product-cover {
    height: 200px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    position: relative;
    line-height: 1.4;
}
.cover-grad-1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.cover-grad-2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.cover-grad-3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.cover-grad-4 { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.cover-grad-5 { background: linear-gradient(135deg, #fa709a, #fee140); }
.cover-grad-6 { background: linear-gradient(135deg, #30cfd0, #330867); }
.cover-grad-7 { background: linear-gradient(135deg, #a8edea, #fed6e3); }
.cover-grad-8 { background: linear-gradient(135deg, #ff9a9e, #fecfef); }
.column-section .product-card { height: 225px; }
.column-section .product-cover { height: 120px; }
.ppt-section .product-card { height: 245px; }
.ppt-section .product-cover { height: 150px; }
.word-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.9);
    color: #e93b3b;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
}
.product-info { padding: 12px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.product-title {
    font-size: 13px;
    color: #000;
    line-height: 1.5;
    height: 38px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 6px;
}
.product-card:hover .product-title { color: var(--primary); }
.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.product-price {
    color: var(--price);
    font-size: 15px;
    font-weight: 700;
    flex-shrink: 0;
}
.product-member {
    font-size: 11px;
    color: var(--member);
    background: #fff4e6;
    padding: 2px 8px;
    border-radius: 10px;
    flex-shrink: 0;
}
.product-date {
    font-size: 12px;
    color: #bbb;
    flex: 1;
    text-align: center;
    margin-top: 0;
}

/* ===== Article List Grid (校长资料) ===== */
.article-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 16px;
    padding: 14px 20px 18px;
}
.article-list-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 0;
    text-decoration: none;
    color: #000;
    font-size: 13px;
    border-bottom: 1px dashed #eee;
    transition: color .2s;
}
.article-list-item:hover {
    color: var(--primary);
}
.article-list-icon {
    flex-shrink: 0;
    color: #999;
    display: flex;
    align-items: center;
}
.article-list-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    min-width: 0;
}
.article-list-date {
    flex-shrink: 0;
    font-size: 12px;
    color: #bbb;
    margin-left: 8px;
}

/* ===== Sub Tabs ===== */
.section-sub-tabs {
    padding: 14px 20px 10px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}
.section-sub-tabs a {
    font-size: 13px;
    color: #888;
    padding: 3px 10px;
    border-radius: 12px;
    transition: all .2s;
}
.section-sub-tabs a:hover {
    background: var(--tag-bg);
    color: var(--primary);
}

/* ===== Floating Toolbar（客服 / 关注 / 分享 / VIP / 顶部） ===== */
.float-toolbar { position: fixed; right: 20px; bottom: 100px; z-index: 999; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.float-toolbar .ft-btn {
    width: 52px; height: 52px; background: var(--primary); border-radius: 6px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px; color: #fff; font-size: 11px; line-height: 1; text-decoration: none;
    cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.10);
    transition: background .18s, transform .18s;
}
.float-toolbar .ft-btn:hover { background: #2f8a6f; transform: translateY(-1px); }
.float-toolbar .ft-btn svg { width: 20px; height: 20px; }
.float-toolbar .ft-btn.top { background: #b9c2c9; opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s, background .18s; }
.float-toolbar .ft-btn.top.on { opacity: 1; visibility: visible; }
.float-toolbar .ft-btn.top:hover { background: #a4afb8; }
.float-toolbar .ft-btn-wrap { position: relative; }
.float-toolbar .ft-popup {
    position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%);
    background: #fff; border: 1px solid #e8ecef; border-radius: 10px; padding: 10px;
    box-shadow: 0 8px 26px rgba(0,0,0,.14); display: none; z-index: 100; text-align: center;
    width: max-content;   /* 绝对定位在窄容器里默认会被压窄，图片被挤成一条 */
}
.float-toolbar .ft-popup::after {
    content: ''; position: absolute; right: -6px; top: 50%; margin-top: -6px;
    width: 10px; height: 10px; background: #fff;
    border-right: 1px solid #e8ecef; border-top: 1px solid #e8ecef; transform: rotate(45deg);
}
.float-toolbar .ft-btn-wrap:hover .ft-popup { display: block; }
.float-toolbar .ft-pop-title { font-size: 12px; font-weight: 600; color: #5b6773; margin-bottom: 8px; white-space: nowrap; }
.float-toolbar .ft-popup img { width: 140px; height: 140px; object-fit: contain; border-radius: 6px; display: block; margin: 0 auto; }
.float-toolbar .ft-pop-ph {
    width: 140px; height: 140px; display: flex; align-items: center; justify-content: center;
    text-align: center; color: #b8c1c9; font-size: 12px; line-height: 1.6;
    background: #fafbfc; border-radius: 6px;
}
.float-toolbar .ft-pop-tip {
    font-size: 11.5px; color: #5b6773; margin-top: 10px; max-width: 150px; white-space: normal;
    line-height: 1.6; font-weight: 600; text-align: center;
    padding-top: 8px; border-top: 1px dashed #e8ecef;
}
.float-toolbar .ft-pop-tip::before {
    content: ''; display: block; width: 5px; height: 5px; border-radius: 50%;
    background: #0e9663; margin: 0 auto 6px;
}

/* ===== 全站公告弹窗 ===== */
.ntc-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: none; align-items: center; justify-content: center; z-index: 3000; padding: 20px; }
.ntc-mask.on { display: flex; }
.ntc-box { width: 100%; max-width: 420px; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.25); animation: ntcIn .22s ease; }
@keyframes ntcIn { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
.ntc-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid #f0f2f4; }
.ntc-title { display: flex; align-items: center; gap: 7px; font-size: 16px; font-weight: 600; color: #333; }
.ntc-title svg { color: var(--primary); }
.ntc-x { border: 0; background: none; font-size: 22px; line-height: 1; color: #bbb; cursor: pointer; padding: 0 2px; }
.ntc-x:hover { color: #666; }
.ntc-body { padding: 18px; font-size: 14px; line-height: 1.85; color: #555; max-height: 52vh; overflow: auto; word-break: break-word; }
.ntc-body img { max-width: 100%; height: auto; border-radius: 6px; }
.ntc-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; border-top: 1px solid #f0f2f4; background: #fcfdfd; }
.ntc-check { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: #8a94a0; cursor: pointer; }
.ntc-btn { border: 0; background: var(--primary); color: #fff; font-size: 14px; padding: 9px 22px; border-radius: 6px; cursor: pointer; font-family: inherit; }
.ntc-btn:hover { filter: brightness(.95); }

/* ===== 分享弹层（海报 + 复制链接） ===== */
.sh-mask { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: none; align-items: center; justify-content: center; z-index: 3000; padding: 20px; }
.sh-mask.on { display: flex; }
.sh-box { position: relative; width: 100%; max-width: 380px; max-height: 92vh; overflow: auto; background: #fff; border-radius: 14px; padding: 20px 20px 18px; box-shadow: 0 24px 60px rgba(0,0,0,.28); animation: ntcIn .22s ease; }
.sh-x { position: absolute; right: 10px; top: 8px; border: 0; background: none; font-size: 24px; line-height: 1; color: #bbb; cursor: pointer; }
.sh-x:hover { color: #666; }
.sh-head { font-size: 16px; font-weight: 600; color: #2f3a45; text-align: center; }
.sh-desc { font-size: 12.5px; color: #98a2ad; text-align: center; margin: 6px 0 14px; line-height: 1.5; }
.sh-poster { position: relative; width: 100%; border-radius: 10px; overflow: hidden; background: #f6f8f9; min-height: 180px; }
.sh-poster img { width: 100%; display: block; }
.sh-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 13px; color: #9aa5b1; background: #f6f8f9; }
.sh-code { display: none; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 12.5px; color: #7d8894; margin-top: 12px; padding: 8px 10px; background: #f3faf7; border-radius: 8px; }
.sh-code b { color: var(--primary); letter-spacing: .5px; }
.sh-code span { color: #9aa5b1; font-size: 11.5px; }
.sh-link { display: flex; gap: 8px; margin-top: 12px; }
.sh-link input { flex: 1; min-width: 0; border: 1px solid #e6eaee; background: #fafbfc; border-radius: 8px; padding: 9px 10px; font-size: 12px; color: #7d8894; font-family: inherit; }
.sh-link button { border: 0; background: #eef6f3; color: var(--primary); font-size: 13px; padding: 0 14px; border-radius: 8px; cursor: pointer; white-space: nowrap; font-family: inherit; }
.sh-actions { display: flex; gap: 10px; margin-top: 14px; }
.sh-btn { flex: 1; border: 0; background: var(--primary); color: #fff; font-size: 14px; padding: 11px 0; border-radius: 8px; cursor: pointer; font-family: inherit; }
.sh-btn:hover { filter: brightness(.96); }
.sh-btn.ghost { background: #f2f5f7; color: #5b6773; }

/* ===== Footer ===== */
.footer {
    background: #fff;
    border-top: 1px solid #eee;
    margin-top: 24px;
    padding: 34px 0 18px;
    color: var(--text-light);
    font-size: 13px;
}
.footer a { color: var(--text-light); }
.footer a:hover { color: var(--primary); }
.footer .wrap { padding: 0 16px; }

/* 三栏：帮助 / 关于 / 二维码 */
.footer-main {
    display: flex;
    gap: 40px;
    padding-bottom: 26px;
}
.footer-col { min-width: 130px; }
.footer-col-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.footer-links li { line-height: 2.1; }
.footer-links a { font-size: 13px; color: var(--text-light); }
.footer-links a:hover { color: var(--primary); }

/* 二维码区（靠右） */
.footer-qrs {
    margin-left: auto;
    display: flex;
    gap: 22px;
    align-items: flex-start;
}
.footer-qr { text-align: center; }
.footer-qr img,
.footer-qr-ph {
    width: 110px;
    height: 110px;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: #fff;
    padding: 4px;
    display: block;
}
.footer-qr-ph canvas,
.footer-qr-ph img { width: 100% !important; height: 100% !important; }
.footer-qr-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
    background: #fafafa;
}
.footer-qr-tip {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

/* 友情链接 */
.footer-friend {
    border-top: 1px solid var(--border);
    padding: 12px 0;
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 14px;
}
.footer-friend-label { color: var(--text-muted); }
.footer-friend a { color: var(--text-light); }
.footer-friend a:hover { color: var(--primary); }

/* 版权区 */
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 14px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.9;
}
.footer-copyright { color: var(--text-muted); }
.footer-disclaimer { color: #b0b4ba; margin-top: 2px; }

/* ===== Side Float ===== */
.side-float {
    position: fixed;
    right: calc(50% - var(--container)/2 - 70px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--primary);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.float-item {
    width: 52px;
    padding: 12px 0;
    text-align: center;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    transition: background .2s;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    line-height: 1.3;
}
.float-item:last-child { border-bottom: none; }
.float-item:hover { background: var(--primary-dark); }
.float-item .icon { font-size: 20px; margin-bottom: 3px; display: block; }

/* ===== Latest + Rank Layout ===== */
.latest-rank-section { background: #fff; padding: 0; }
.latest-rank-wrap {
    display: flex;
    gap: 16px;
    align-items: stretch;
}
.latest-col { flex: 1; min-width: 0; border-right: 1px solid #f0f0f0; }
.rank-col { width: 280px; flex-shrink: 0; }

/* ===== Mobile Hamburger + Drawer ===== */
.hamburger-btn {
    display: none;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}
.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s;
}
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s;
}
.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}
.mobile-user-bar {
    display: none;
    padding: 10px 14px;
    background: #f5f6f8;
    font-size: 13px;
    color: #666;
    justify-content: space-between;
    align-items: center;
}
.mobile-user-bar a { color: var(--primary); text-decoration: none; margin-left: 10px; }

/* ===== Responsive ===== */
@media (max-width: 1280px) {
    .side-float { right: 10px; }
}

@media (max-width: 1024px) {
    :root { --container: 100%; }
    .wrap { padding: 0 12px; }
    .main-grid { grid-template-columns: 180px 1fr 200px; gap: 10px; }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .cat-bar-name { font-size: 14px; font-weight: 400; }
    .header-search { flex: 0 0 380px; }
    .nav a { padding: 0 20px; }
    .rank-col { width: 240px; }
}

/* ===== Mobile (≤768px) ===== */
@media (max-width: 768px) {
    .wrap { padding: 0 12px; }

    /* Top Bar - hide on mobile */
    .top-bar { display: none; }

    /* Mobile user bar - hide */
    .mobile-user-bar { display: none; }

    /* Header - row1 only: hamburger + logo */
    .header { background: #fff; }
    .header .wrap {
        flex-wrap: nowrap;
        height: 44px;
        padding: 0 10px;
        gap: 0;
    }
    .hamburger-btn { display: flex; width: 40px; }
    .header-logo {
        font-size: 18px;
        letter-spacing: 1px;
        flex: 1;
        text-align: center;
        justify-content: center;
        line-height: 44px;
        height: 44px;
    }
    .header-logo img {
        max-width: 160px;
        max-height: 28px;
    }
    .header-right { display: none; }

    /* Search - completely separate gray bar below header */
    .header-search {
        display: block !important;
        position: absolute;
        top: 44px;
        left: 0;
        right: 0;
        background: #f5f5f5;
        padding: 8px 10px 8px;
        border-bottom: none;
        z-index: 10;
    }
    .header-search form { border: none; border-radius: 6px 0 0 6px; overflow: hidden; background: #fff; display: flex; }
    .header-search .search-type { display: none; }
    .header-search input { flex: 1; height: 44px; font-size: 14px; padding: 0 14px; background: #fff; border: 1px solid #ddd; border-right: none; border-radius: 6px 0 0 6px; }
    .header-search button { width: 52px; height: 44px; border-radius: 0; border: 1px solid var(--primary); background: var(--primary); }
    .header-search button svg { width: 20px; height: 20px; }

    /* Add space for search bar below header */
    .main-wrap { padding-top: 0 !important; margin-top: 60px; background: #f5f5f5; padding-bottom: 0 !important; }
    .main-wrap .wrap { padding-top: 0; padding-bottom: 60px; }
    body { background: #f5f5f5; }
    .footer { background: #f5f5f5; border-top: none; margin-top: 0; }

    /* Nav - hide by default, slide as drawer */
    .nav-wrap {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 200px;
        background: #fff;
        z-index: 999;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 4px 0 16px rgba(0,0,0,0.15);
        overflow-y: auto;
        border-bottom: none;
    }
    .nav-wrap.active { transform: translateX(0); }
    .nav-wrap .wrap { padding: 0; max-width: none; width: 100%; }
    .nav {
        flex-direction: column;
        height: auto;
        min-height: 0;
        padding: 0;
    }
    .nav a {
        color: #333;
        padding: 12px 16px;
        font-size: 14px;
        height: auto;
        line-height: 1;
        border-bottom: 1px solid #f0f0f0;
        flex-shrink: 0;
        display: block;
    }
    .nav a:hover { background: #f8f8f8; color: var(--primary); }
    .nav a.active {
        background: #f0faf6;
        color: var(--primary);
        font-weight: 600;
        height: auto;
        line-height: 1;
        margin-top: 0;
        border-radius: 0;
    }
    .nav a[style*="开通VIP"] { color: var(--primary) !important; font-weight: 600; }

    /* Main Grid - single column */
    .main-grid { grid-template-columns: 1fr; gap: 10px; }
    .sidebar-left, .sidebar-right { display: none; }

    /* Banner */
    .banner-box { height: 160px; }
    .carousel { min-height: 160px; }
    .banner-title { font-size: 22px; letter-spacing: 3px; }

    /* Category Bar - icon top, label bottom */
    .cat-bar { flex-wrap: wrap; padding: 10px 0; margin-top: 10px; }
    .cat-bar-item {
        flex: 0 0 20%;
        padding: 8px 4px;
        gap: 2px;
        flex-direction: column;
        text-align: center;
    }
    .cat-bar-item:not(:last-child)::after { display: none; }
    .cat-bar-icon { width: 58px; height: 58px; }
    .cat-bar-icon svg { width: 36px; height: 36px; }
    .cat-bar-icon img { display: block; width: 100% !important; height: 100% !important; object-fit: contain; }
    .cat-bar-icon:has(img) { background: transparent; }
    .cat-bar-icon:has(img) svg { display: none; }
    .cat-bar-text { text-align: center; }
    .cat-bar-name { font-size: 14px; font-weight: 400; }
    .cat-bar-desc { display: none; }

    /* Latest + Rank - hide on mobile */
    .latest-rank-section { display: none; }

    /* Sections */
    .section { margin-top: 12px; border-radius: 6px; }
    .section-header { padding: 12px 14px; flex-wrap: wrap; gap: 6px; }
    .section-title { font-size: 15px; }
    .section-sub-tabs { display: flex !important; flex-wrap: wrap; gap: 8px; padding: 10px 12px; margin-top: 0; border-bottom: 1px solid #f0f0f0; }
    .section-sub-tabs a { flex-shrink: 0; font-size: 13px; color: #666; padding: 5px 12px; border-bottom: none !important; white-space: nowrap; background: #f5f5f5; border-radius: 14px; }
    .section-sub-tabs a:hover { color: var(--primary); background: var(--tag-bg); }
    .section-sub-tabs-inline { display: none !important; }

    /* Article detail - hide breadcrumb on mobile */
    .breadcrumb { display: none !important; }

    /* Product Grid - 2 columns */
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 12px;
    }
    .product-card { height: auto; border-radius: 6px; }
    .product-cover { height: 120px; }
    .column-section .product-card { height: auto; }
    .column-section .product-cover { height: 100px; }
    .ppt-section .product-card { height: auto; }
    .ppt-section .product-cover { height: 110px; }
    .product-info { padding: 8px 10px; }
    .product-title {
        font-size: 12px;
        height: 32px;
        line-height: 1.4;
        -webkit-line-clamp: 2;
        margin-bottom: 4px;
    }
    .product-price { font-size: 13px; }
    .product-member { font-size: 10px; padding: 1px 6px; }
    .product-date { font-size: 11px; }

    /* Article List Grid - 1 column stacked */
    .article-list-grid {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 10px 12px;
    }
    .article-list-item { font-size: 13px; padding: 9px 0; border-bottom: 1px solid #f5f5f5; }
    .article-list-item:last-child { border-bottom: none; }
    .article-list-title { font-size: 13px; }
    .article-list-date { font-size: 12px; margin-left: 6px; }

    /* Tab nav */
    .tab-nav { padding: 0 14px; gap: 16px; }
    .tab-nav a { font-size: 13px; padding: 10px 0; }

    /* Float Toolbar */
    .float-toolbar { right: 10px; bottom: 90px; gap: 6px; }
    .float-toolbar .ft-btn { width: 44px; height: 44px; font-size: 10px; border-radius: 22px; }
    .float-toolbar .ft-btn svg { width: 18px; height: 18px; }
    .float-toolbar .ft-popup img { width: 110px; height: 110px; }
    .float-toolbar .ft-pop-ph { width: 110px; height: 110px; }

    /* 公告 / 分享弹层（手机端贴底） */
    .ntc-mask, .sh-mask { align-items: flex-end; padding: 0; }
    .ntc-box { max-width: 100%; border-radius: 14px 14px 0 0; }
    .ntc-body { max-height: 46vh; }
    .sh-box { max-width: 100%; border-radius: 14px 14px 0 0; max-height: 94vh; }

    /* Footer */
    .footer { padding: 18px 12px 14px; font-size: 11px; line-height: 1.8; }
    .footer .wrap { padding: 0; }
    .footer-main { flex-wrap: wrap; gap: 18px 24px; padding-bottom: 14px; }
    .footer-col { min-width: 96px; }
    .footer-col-title { font-size: 12px; margin-bottom: 8px; padding-bottom: 6px; }
    .footer-links a { font-size: 12px; }
    .footer-qrs { width: 100%; margin-left: 0; justify-content: flex-start; gap: 16px; }
    .footer-qr img, .footer-qr-ph { width: 88px; height: 88px; }
    .footer-friend { padding: 10px 0; }
    .footer-bottom { padding-top: 10px; font-size: 11px; }

    /* Main wrap padding */
    .main-wrap { padding: 12px 0 60px; }

    /* Auth Modal - bottom sheet on mobile */
    #authModal { align-items: flex-end !important; justify-content: center !important; }
    #authModalBox {
        width: 90vw !important;
        max-width: 380px !important;
        max-height: 92vh !important;
        border-radius: 12px 12px 0 0 !important;
        animation: slideUp 0.25s ease;
    }
    @keyframes slideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }
    .auth-form-pad { padding: 14px 16px !important; }
    #authMsg { padding: 8px 16px 12px !important; }
    #authModal > div > div:first-child { display: none !important; }
    #authModal label { font-size: 13px !important; }
    #authModal input[type="text"],
    #authModal input[type="password"],
    #authModal input[type="email"] { padding: 8px 10px !important; font-size: 14px !important; }
    #authModal button { padding: 10px !important; font-size: 14px !important; }
    #authModal > div > div:last-child { font-size: 12px !important; margin-top: 10px !important; }
    #loginForm > div:last-child,
    #registerForm > div:last-child { font-size: 12px !important; margin-top: 10px !important; }
    /* Captcha row: wrap on mobile */
    #loginCaptchaQuestion, #regCaptchaQuestion { min-width: 80px !important; font-size: 13px !important; padding: 6px 8px !important; }
    /* Tab header */
    #authModal > div > div:nth-child(2) { padding: 10px !important; font-size: 14px !important; }

    /* Side float */
    .side-float { display: none; }
}

/* ===== Small phones (≤480px) ===== */
@media (max-width: 480px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 10px; }
    .product-cover { height: 100px; }
    .header-logo { font-size: 20px; }
    .nav a { padding: 0 12px; font-size: 13px; }
    .banner-box { height: 140px; }
    .banner-title { font-size: 18px; letter-spacing: 2px; }
    .cat-bar-item { flex: 0 0 20%; padding: 6px 2px; }
    .cat-bar-icon { width: 54px; height: 54px; }
    .cat-bar-icon svg { width: 34px; height: 34px; }
    .cat-bar-icon img { display: block; width: 100% !important; height: 100% !important; object-fit: contain; }
    .cat-bar-icon:has(img) { background: transparent; }
    .cat-bar-icon:has(img) svg { display: none; }
    .cat-bar-name { font-size: 13px; font-weight: 400; }
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    list-style: none;
    padding: 20px 0;
}
.pagination li {
    list-style: none;
}
.pagination li a,
.pagination li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    background: #fff;
    text-decoration: none;
    transition: all 0.2s;
}
.pagination li a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #f0faf6;
}
.pagination li.active span {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination li.disabled span {
    color: #ccc;
    background: #f9f9f9;
    border-color: #eee;
    cursor: not-allowed;
}


/* 电脑版隐藏导航登录链接 */
.nav .nav-auth-link { display: none; }
@media (max-width: 768px) {
    .nav .nav-auth-link { display: inline-block; }
}



/* ========== 手机端底部 Tab Bar ========== */
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 58px;
    background: #fff;
    border-top: 1px solid #eee;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
    z-index: 999;
    padding-bottom: env(safe-area-inset-bottom);
}
.mobile-tabbar a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #999;
    font-size: 11px;
    gap: 3px;
    transition: color 0.15s;
}
.mobile-tabbar a.active,
.mobile-tabbar a:active {
    color: #1890ff;
}
.mobile-tabbar svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}
@media (max-width: 768px) {
    .nav-wrap { display: none !important; }
    .mobile-tabbar { display: flex; }
    /* 给 body 底部留出 tabbar 空间 */
    body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
    /* float-toolbar 手机端隐藏，和 tabbar 冲突 */
    .float-toolbar { display: none; }
    /* 搜索框只在首页显示 */
    .header-search.hide-on-mobile { display: none !important; }
    .header.header-no-search ~ .main-wrap { margin-top: 0 !important; }
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 导航二级下拉菜单 ===== */
.nav .nav-item { position: relative; display: flex; align-items: stretch; }
.nav .nav-item > a { display: flex; align-items: center; gap: 4px; }
.nav .nav-caret { font-size: 11px; opacity: .85; margin-left: 2px; transition: transform .2s; }
.nav .nav-item:hover .nav-caret { transform: rotate(180deg); }
.nav .nav-sub {
    display: none;
    position: absolute;
    top: 42px; left: 0;
    min-width: 160px;
    background: #fff;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    padding: 6px 0;
    z-index: 300;
}
.nav .nav-item:hover .nav-sub { display: block; }
.nav .nav-sub a {
    display: block;
    height: auto;
    line-height: 36px;
    padding: 0 18px;
    font-size: 14px;
    color: #333 !important;
    background: none !important;
    white-space: nowrap;
}
.nav .nav-sub a:hover { background: #f0f9f4 !important; color: var(--primary) !important; }
.nav .nav-sub a.nav-sub-hot { color: var(--primary) !important; font-weight: 600; }
.nav .nav-sub a.nav-sub-hot::before { content: '🆕 '; font-size: 12px; }

/* ===== 首页滚动公告 + 更新日志入口 ===== */
.notice-strip { margin-top: 16px; }
.notice-strip-inner {
    display: flex; align-items: center; gap: 12px;
    background: #fff; border: 1px solid #eee; border-radius: 10px;
    padding: 10px 16px; overflow: hidden;
}
.notice-label {
    flex: none; display: inline-flex; align-items: center; gap: 5px;
    font-size: 13px; font-weight: 600; color: #fff;
    background: var(--primary); padding: 4px 10px; border-radius: 14px;
}
.notice-marquee { flex: 1; min-width: 0; overflow: hidden; position: relative; height: 24px; }
.notice-track { display: inline-flex; align-items: center; gap: 40px; white-space: nowrap; animation: noticeScroll 32s linear infinite; }
.notice-marquee:hover .notice-track { animation-play-state: paused; }
@keyframes noticeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.notice-item { text-decoration: none; color: #555; font-size: 13.5px; display: inline-flex; align-items: center; gap: 8px; }
.notice-item:hover .notice-title { color: var(--primary); }
.notice-title { color: #333; font-weight: 500; }
.notice-content { color: #999; font-size: 12.5px; }
.notice-content::before { content: '｜'; color: #ddd; }
.notice-empty { flex: 1; font-size: 13px; color: #bbb; }
.notice-log-link {
    flex: none; display: inline-flex; align-items: center; gap: 5px;
    font-size: 13px; color: #666; text-decoration: none;
    padding-left: 12px; border-left: 1px solid #eee; position: relative;
}
.notice-log-link:hover { color: var(--primary); }
.notice-log-tip { font-size: 12px; color: #aaa; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== 当日发布标记（列表页标红） ===== */
.res-today-tag {
    display: inline-block; margin-left: 6px; padding: 0 6px;
    font-size: 11px; font-weight: 700; line-height: 18px;
    color: #fff; background: #e53935; border-radius: 3px; vertical-align: 1px;
}
.res-today-date { color: #e53935 !important; font-weight: 600; }
.res-today-title { color: #e53935 !important; font-weight: 600; }
.res-item.is-today { background: #fffbfb; }
.res-item.is-today .res-title { color: #c62828; }

/* ===== 反馈入口 ===== */
.feedback-btn {
    display: inline-flex; align-items: center; gap: 4px;
    background: none; border: 1px solid #ddd; color: #888;
    font-size: 12px; padding: 3px 10px; border-radius: 12px; cursor: pointer;
    font-family: inherit; transition: all .2s;
}
.feedback-btn:hover { border-color: var(--primary); color: var(--primary); }

@media (max-width: 768px) {
    .notice-log-tip { display: none; }
    .notice-content { display: none; }
}

/* ===== 首页广告位（专题推广） ===== */
.ad-strip { margin-top: 16px; }
.ad-strip-inner { display: grid; grid-template-columns: repeat(var(--ad-cols, 3), 1fr); gap: 14px; }
.ad-card {
    display: flex; align-items: center; gap: 12px;
    background: #fff; border: 1px solid #eee; border-radius: 10px;
    padding: 12px 14px; text-decoration: none; overflow: hidden;
    transition: box-shadow .2s, transform .2s;
}
.ad-card:hover { box-shadow: 0 6px 18px rgba(0,0,0,.08); transform: translateY(-2px); }
.ad-card img { width: 88px; height: 56px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.ad-card-body { min-width: 0; }
.ad-card-title { font-size: 15px; font-weight: 600; color: #222; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ad-card-tag { display: inline-block; margin-top: 6px; font-size: 12px; color: var(--primary); background: rgba(14,150,99,.08); padding: 2px 8px; border-radius: 10px; }
.ad-card-tag::before { content: '专题 · '; }

@media (max-width: 768px) {
    .ad-strip-inner { grid-template-columns: 1fr; }
    .nav .nav-sub { display: none !important; }
}

/* ===== 多级分类导航 + 数量徽标 ===== */
.nav .nav-count {
    font-style: normal;
    font-size: 11px;
    line-height: 16px;
    padding: 0 5px;
    margin-left: 5px;
    border-radius: 8px;
    background: rgba(255,255,255,.16);
    color: #e6eef6;
    font-variant-numeric: tabular-nums;
}
.nav .nav-sub .nav-count,
.nav .nav-sub2 .nav-count { background: #f1f5f9; color: #94a3b8; }

.nav .nav-sub-item { position: relative; }
.nav .nav-sub-item > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.nav .nav-sub-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.nav .nav-more { color: #cbd5e1; font-size: 14px; line-height: 1; }

.nav .nav-sub2 {
    display: none;
    position: absolute;
    left: 100%;
    top: -6px;
    min-width: 160px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    padding: 6px 0;
    z-index: 310;
}
.nav .nav-sub-item:hover .nav-sub2 { display: block; }
.nav .nav-sub2 a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: auto;
    line-height: 34px;
    padding: 0 16px;
    font-size: 13.5px;
    color: #333 !important;
    background: none !important;
    white-space: nowrap;
}
.nav .nav-sub2 a:hover { background: #f0f9f4 !important; color: var(--primary) !important; }

@media (max-width: 768px) {
    .nav .nav-sub2 { display: none !important; }
}

/* 分类数量徽标（侧栏浮层 / 栏目页） */
.cat-count {
    font-style: normal;
    font-size: 11px;
    font-weight: 500;
    color: #94a3b8;
    background: #f1f5f9;
    border-radius: 8px;
    padding: 0 5px;
    margin-left: 6px;
    line-height: 16px;
    display: inline-block;
    vertical-align: middle;
    font-variant-numeric: tabular-nums;
}
.cat-count.sm { margin-left: 4px; font-size: 10.5px; padding: 0 4px; }
.cat-flyout-sub .cat-count { background: #eef2f7; }

/* ===== 标准模式：列表项（首页最新入库 / 最新页） ===== */
.hi-item {
    display: flex; align-items: center; gap: 8px; padding: 10px 8px;
    border-bottom: 1px solid #f5f5f5; text-decoration: none; color: #000;
    font-size: 14px; overflow: hidden;
}
.hi-item:hover { background: #fafcfb; }
.hi-item:hover .hi-tt { color: var(--primary); }
.hi-code {
    font-size: 11.5px; font-weight: 600; color: #1d4ed8; background: #eff6ff;
    border-radius: 4px; padding: 1px 6px; flex-shrink: 0; line-height: 17px;
    font-variant-numeric: tabular-nums; letter-spacing: .2px;
}
.hi-ico { width: 16px; height: 16px; flex-shrink: 0; color: #888; }
.hi-tt { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hi-dt { font-size: 12px; color: #bbb; flex-shrink: 0; }
.std-badge {
    font-size: 11px; border-radius: 4px; padding: 1px 6px; flex-shrink: 0;
    line-height: 17px; font-weight: 500;
}
.std-badge.now { background: #dcfce7; color: #15803d; }
.std-badge.soon { background: #fef3c7; color: #b45309; }
.std-badge.dead { background: #f1f5f9; color: #94a3b8; }

/* 标准号角标（栏目页卡片封面左上角） */
.res-std-code {
    position: absolute; left: 8px; top: 8px; z-index: 2;
    font-size: 11.5px; font-weight: 600; color: #1d4ed8;
    background: rgba(255,255,255,.95); border: 1px solid #dbeafe;
    border-radius: 4px; padding: 1px 6px; line-height: 17px;
    max-width: calc(100% - 16px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.res-meta .std-badge { margin-right: 4px; }
.sub-cats a .cat-count { margin-left: 4px; }

/* 多级分类筛选行（栏目页，支持任意层级） */
.list-head.list-head-multi { display: flex; flex-direction: column; align-items: stretch; gap: 8px; }
.list-head-multi .lh-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.list-head-multi .lh-hint { font-size: 12px; color: #9aa4ae; }
.sub-cats-row { display: flex; align-items: flex-start; gap: 10px; }
.sub-cats-label {
    flex-shrink: 0; font-size: 12.5px; color: #94a3b8; line-height: 26px;
    min-width: 56px; max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sub-cats-row .sub-cats { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 700px) {
    .sub-cats-row { flex-direction: column; gap: 4px; }
    .sub-cats-label { line-height: 1.6; max-width: none; }
}


/* ============ 标准专用列表（栏目页，参考鸟哥 level 列表） ============ */
.std-list {
    background: transparent; border-radius: 0; box-shadow: none; overflow: visible;
}
.std-item {
    display: block; padding: 13px 18px; text-decoration: none;
    border-bottom: 1px solid #eef1f4; transition: background .15s;
}
.std-item:last-child { border-bottom: none; }
.std-item:hover { background: #f7fbf9; }
.std-item:hover .std-name { color: var(--primary); }
.std-line { display: flex; align-items: center; gap: 9px; min-width: 0; }
.std-code {
    font-size: 15.5px; font-weight: 700; color: var(--primary);
    white-space: nowrap; flex-shrink: 0; font-variant-numeric: tabular-nums;
    letter-spacing: .2px;
}
.std-name {
    font-size: 15px; color: #1f2937; line-height: 1.5;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    flex: 1; min-width: 0; transition: color .15s;
}
.std-tag {
    flex-shrink: 0; font-size: 11.5px; line-height: 18px; padding: 0 7px;
    border-radius: 4px; font-weight: 500; white-space: nowrap;
}
.std-tag.now  { background: #eaf1fe; color: #1d4ed8; border: 1px solid #bcd0f7; }
.std-tag.soon { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.std-tag.dead { background: #fdecea; color: #c0392b; border: 1px solid #f5c6c6; }
.std-tag.free { background: #eafaf0; color: #1f7a3d; border: 1px solid #b7e4c7; }
.std-tag.pay  { background: #fff1f0; color: #e53935; border: 1px solid #ffd6d4; font-weight: 700; }
.std-tag.vip  { background: #fff7e6; color: #b45309; border: 1px solid #fde68a; }
.std-tag.top  { background: #fdecea; color: #dc2626; border: 1px solid #f5c6c6; }
.std-sub {
    display: flex; flex-wrap: wrap; gap: 16px; margin-top: 5px;
    font-size: 12.5px; color: #94a3b8;
}
.std-sub .std-dt { margin-left: auto; }
@media (max-width: 700px) {
    .std-item { padding: 11px 14px; }
    .std-code { font-size: 14px; }
    .std-name { font-size: 14px; }
    .std-sub { gap: 10px; font-size: 12px; }
}


/* 子分类数量多时 → 多列网格（参考鸟哥 level 页分类网格） */
.sub-cats-row.is-multi { flex-direction: column; align-items: stretch; gap: 6px; }
.sub-cats-row.is-multi .sub-cats-label { line-height: 1.5; max-width: none; min-width: 0; color: #64748b; }
.sub-cats-row.is-multi .sub-cats {
    display: flex; flex-wrap: wrap; align-items: stretch; flex: none; width: 100%;
}
.sub-cats-row.is-multi .sub-cats a {
    flex: 1 1 0; min-width: 150px; max-width: 100%; box-sizing: border-box;
    display: flex; align-items: center; justify-content: space-between; gap: 6px;
    padding: 8px 12px; border-radius: 6px; font-size: 13px; line-height: 18px;
    background: #f7f9f8; border: 1px solid #edf1ef; color: #475569;
    white-space: nowrap; overflow: hidden;
}
.sub-cats-row.is-multi .sub-cats a .sc-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sub-cats-row.is-multi .sub-cats a:hover { background: #eef6f2; border-color: var(--primary); color: var(--primary); }
.sub-cats-row.is-multi .sub-cats a.active { background: #e3f2e9; border-color: rgba(61,122,92,.35); color: var(--primary); font-weight: 600; }
.sub-cats-row.is-multi .sub-cats a .cat-count { margin-left: 0; flex-shrink: 0; background: #eef2f7; color: #8296ab; }
.sub-cats-row.is-multi .sub-cats a.active .cat-count { background: #fff; color: var(--primary); }
@media (max-width: 900px) {
    .sub-cats-row.is-multi .sub-cats a { min-width: 118px; padding: 7px 10px; font-size: 12.5px; }
    
}

/* ===== 三级下拉：子项较多时多列面板（参考鸟哥 mega menu） ===== */
.nav .nav-sub2.is-multi {
    grid-template-columns: repeat(4, minmax(128px, 1fr));
    gap: 2px 4px;
    width: max-content;
    max-width: min(660px, calc(100vw - 120px));
    padding: 10px 8px;
}
.nav .nav-sub-item:hover .nav-sub2.is-multi { display: grid; }
.nav .nav-sub2.is-multi a {
    line-height: 30px;
    padding: 0 10px;
    border-radius: 6px;
    gap: 8px;
}
.nav .nav-sub2.is-multi a:hover { background: #f0f9f4 !important; }
@media (max-width: 1200px) {
    .nav .nav-sub2.is-multi { grid-template-columns: repeat(3, minmax(120px, 1fr)); }
}

/* ===== 标准列表（鸟哥样式：标准号+名称 / 状态 / 电子版 / 网盘按钮 / 日期 / 替代） ===== */
.std-count-bar {
    font-size: 13px; color: #64748b; background: #fff; border-radius: 8px;
    padding: 10px 18px; margin-bottom: 10px; box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.std-count-bar b { color: var(--primary); font-size: 15px; }
.std-count-bar { display: flex; align-items: center; }
.std-count-link { margin-left: auto; color: var(--primary); font-size: 12.5px; text-decoration: none; border: 1px solid var(--primary); padding: 4px 12px; border-radius: 14px; white-space: nowrap; transition: all .15s; }
.std-count-link:hover { background: var(--primary); color: #fff; }
.std-item {
    background: #fff; border-radius: 10px; padding: 14px 18px 12px;
    margin-bottom: 10px; box-shadow: 0 2px 8px rgba(0,0,0,.05);
    border: 1px solid transparent; transition: box-shadow .18s, border-color .18s;
}
.std-item:hover { box-shadow: 0 6px 18px rgba(0,0,0,.09); border-color: #e6f2ec; }
.std-item.is-top { border-color: #ffe3b0; }
.std-line { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.std-link { display: flex; align-items: baseline; gap: 10px; min-width: 0; text-decoration: none; }
.std-link .std-code {
    flex-shrink: 0; font-size: 15px; font-weight: 700; color: #1668dc;
    letter-spacing: .2px; font-variant-numeric: tabular-nums;
}
.std-link .std-name {
    font-size: 15px; color: #1f2d3d; font-weight: 500;
    overflow: hidden; text-overflow: ellipsis; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.std-link:hover .std-name { color: var(--primary); }
.std-flags { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.std-tag {
    font-size: 12px; line-height: 20px; padding: 0 10px; border-radius: 4px;
    border: 1px solid transparent; white-space: nowrap;
}
.std-tag.now  { color: #1668dc; background: #eef4ff; border-color: #d6e4ff; }
.std-tag.soon { color: #d47a00; background: #fff7e6; border-color: #ffe0a8; }
.std-tag.dead { color: #d4380d; background: #fff1f0; border-color: #ffccc7; }
.std-tag.hold { color: #8c8c8c; background: #f5f5f5; border-color: #e8e8e8; }
.std-tag.free { color: #16803c; background: #f0fbf3; border-color: #c9f0d5; }
.std-tag.pay  { color: #d46b08; background: #fff8ee; border-color: #ffdfae; }
.std-e { margin-top: 8px; }
.std-have, .std-none {
    display: inline-block; font-size: 12px; line-height: 20px; padding: 0 8px; border-radius: 3px;
}
.std-have { color: #16803c; background: #eafaf0; border: 1px solid #bfe9cf; }
.std-none { color: #8c9aa8; background: #f4f6f8; border: 1px solid #e6eaee; }
.std-clouds { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.cl-btn {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12.5px; line-height: 28px; height: 28px; padding: 0 12px;
    border-radius: 4px; text-decoration: none; white-space: nowrap;
    background: #fff7ef; border: 1px solid #ffd9b0; color: #d46b08;
}
.cl-btn em { font-style: normal; opacity: .85; }
.cl-ico { display:inline-flex; align-items:center; justify-content:center; width:16px; height:16px; border-radius:3px; font-size:11px; font-weight:700; background:rgba(0,0,0,.08); color:inherit; flex:none; }
.cl-btn.off .cl-ico { background:rgba(0,0,0,.06); }
.cl-btn:hover { background: #ffeede; }
.cl-btn.baidu  { background: #fff7ef; border-color: #ffd9b0; color: #d46b08; }
.cl-btn.quark  { background: #fff7ef; border-color: #ffd9b0; color: #d46b08; }
.cl-btn.xunlei { background: #fff5f5; border-color: #ffd1d1; color: #d4380d; }
.cl-btn.ali    { background: #f5f2ff; border-color: #ddd2ff; color: #6b46c1; }
.cl-btn.off {
    background: #f7f8fa; border-color: #e8eaed; color: #b6bfc8; cursor: not-allowed;
}
.std-empty { display: flex; align-items: center; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.std-empty-tip { font-size: 12.5px; color: #9aa4ae; }
.std-reserve {
    font-size: 12.5px; line-height: 28px; height: 28px; padding: 0 14px 0 12px;
    border: 1px solid #1668dc; background: #1668dc; color: #fff; border-radius: 4px;
    cursor: pointer; display: inline-flex; align-items: center; gap: 5px;
}
.std-reserve::before {
    content: ''; width: 12px; height: 12px; flex-shrink: 0;
    background: currentColor; -webkit-mask: no-repeat center/12px url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round'><rect x='3' y='5' width='18' height='16' rx='2'/><path d='M8 3v4M16 3v4M3 11h18'/></svg>");
    mask: no-repeat center/12px url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round'><rect x='3' y='5' width='18' height='16' rx='2'/><path d='M8 3v4M16 3v4M3 11h18'/></svg>");
}
.std-reserve:hover { background: #0f56bb; border-color: #0f56bb; }
.std-reserve:disabled { background: #9fb6d4; border-color: #9fb6d4; cursor: default; }
.std-sub { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 10px; font-size: 12.5px; color: #8a95a1; }
.std-repl {
    margin-top: 8px; font-size: 12.5px; color: #d4380d;
    overflow: hidden; text-overflow: ellipsis;
}
/* 替代关系可点击标签（详情页 / 查新页共用） */
.std-repl-link {
    display: inline-block; font-size: 12px; line-height: 20px; padding: 0 8px;
    margin: 2px 6px 2px 0; border-radius: 4px; background: #eef4ff; color: #1d4ed8;
    text-decoration: none; border: 1px solid #dbe6ff; vertical-align: middle;
}
.std-repl-link:hover { background: #dfe9ff; text-decoration: none; }
.std-repl-link.now  { background: #ecfdf5; color: #15803d; border-color: #bbf7d0; }
.std-repl-link.soon { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.std-repl-link.dead { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
/* 批量查新：同编号的旧版本行 */
.chx-row-ver td { background: #fbfcfd; color: #64748b; }
.chx-ver-dot { color: #94a3b8; font-weight: 700; }
/* 详情页：替代关系链接块 */
.std-repl-box {
    margin: 10px 0 2px; padding: 10px 12px; border-radius: 8px;
    background: #f8fafc; border: 1px dashed #e2e8f0; line-height: 1.9;
}
.std-repl-label { font-size: 12.5px; color: #64748b; margin-right: 4px; }
.std-none-box {
    background: #fff; border-radius: 10px; padding: 40px; text-align: center;
    color: #9aa4ae; font-size: 14px; box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
/* ===== 预约下载弹窗（全站通用） ===== */
.rsv-mask {
    display: none; position: fixed; inset: 0; z-index: 9999;
    background: rgba(17, 24, 39, .45); backdrop-filter: blur(1px);
    align-items: center; justify-content: center; padding: 20px;
}
.rsv-mask.on { display: flex; }
.rsv-box {
    width: 100%; max-width: 460px; background: #fff; border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,.22); overflow: hidden;
    animation: rsvIn .16s ease-out;
}
@keyframes rsvIn { from { transform: translateY(8px); opacity: .6; } to { transform: none; opacity: 1; } }
.rsv-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px 12px;
}
.rsv-title { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; color: #1f2d3d; }
.rsv-title svg { color: #1f2d3d; }
.rsv-x {
    border: 0; background: none; font-size: 22px; line-height: 1; color: #9aa4ae;
    cursor: pointer; padding: 0 4px;
}
.rsv-x:hover { color: #55606a; }
.rsv-body { padding: 4px 20px 20px; }
.rsv-name { font-size: 15px; font-weight: 600; color: #1f2d3d; line-height: 1.5; }
.rsv-code { font-size: 13px; color: #8a95a1; margin-top: 3px; font-variant-numeric: tabular-nums; }
.rsv-count {
    margin-top: 14px; font-size: 13px; color: #5b6b7c;
    background: #f5f7f9; border: 1px solid #eceff3; border-radius: 8px;
    padding: 10px 14px;
}
.rsv-field { margin-top: 12px; }
.rsv-field input {
    width: 100%; height: 42px; border: 1px solid #e2e8ee; border-radius: 8px;
    padding: 0 14px; font-size: 13.5px; color: #1f2d3d; outline: none;
    box-sizing: border-box;
}
.rsv-field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,150,99,.1); }
.rsv-submit {
    margin-top: 12px; width: 100%; height: 44px; border: 0; border-radius: 8px;
    background: #1a73e8; color: #fff; font-size: 15px; font-weight: 600;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    cursor: pointer; transition: background .15s;
}
.rsv-submit:hover { background: #1667d0; }
.rsv-submit:disabled { background: #9fb6d4; cursor: default; }
/* ===== 顶部条：资料悬赏入口 ===== */
.top-bar .tb-reward {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; font-weight: 600; color: #b45309 !important;
    background: linear-gradient(135deg, #fff4d6, #ffe3a8);
    border: 1px solid #ffd98a; border-radius: 10px;
    padding: 0 9px; line-height: 18px; margin-right: 2px;
    text-decoration: none; transition: all .16s;
}
.top-bar .tb-reward::before { content: '🎁'; font-size: 11px; }
.top-bar .tb-reward:hover, .top-bar .tb-reward.on {
    background: linear-gradient(135deg, #ffe9b8, #ffd074);
    border-color: #f0b64a; color: #92400e !important;
}

/* ===== 分类资料区块（首页分类精选 / 全部资料页） ===== */
.cat-sec{background:#fff;border-radius:8px;padding:14px 18px 12px;margin-bottom:14px;box-shadow:0 1px 4px rgba(0,0,0,.05);}
.cat-sec-head{display:flex;align-items:center;gap:14px;padding-bottom:10px;border-bottom:1px solid #f2f4f5;}
.cat-sec-title{font-size:17px;font-weight:700;color:#1f2d3d;display:flex;align-items:center;gap:8px;text-decoration:none;flex:none;}
.cat-sec-title::before{content:'';width:4px;height:16px;background:var(--primary);border-radius:2px;display:block;}
.cat-sec-title:hover{color:var(--primary);}
.cat-sec-subs{display:flex;flex-wrap:wrap;gap:4px 14px;flex:1;min-width:0;overflow:hidden;max-height:20px;}
.cat-sec-subs a{font-size:13px;color:#9aa5b1;text-decoration:none;white-space:nowrap;}
.cat-sec-subs a:hover{color:var(--primary);}
.cat-sec-more{font-size:13px;color:#9aa5b1;text-decoration:none;flex:none;display:flex;align-items:center;gap:3px;white-space:nowrap;}
.cat-sec-more:hover{color:var(--primary);}
.cat-sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px;padding-top:6px;}
.cs-item{display:flex;align-items:center;gap:6px;padding:7px 0;text-decoration:none;color:#3d4a57;font-size:13px;min-width:0;}
.cs-item:hover{color:var(--primary);}
.cs-item:hover .cs-title{color:var(--primary);}
.cs-dot{width:4px;height:4px;border-radius:50%;background:#c3ccd4;flex:none;}
.cs-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cs-code{font-style:normal;font-weight:600;color:#4a5b6b;margin-right:5px;letter-spacing:.2px;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;}
.cs-date{font-size:11.5px;color:#b0bac4;flex:none;display:flex;align-items:center;gap:3px;}
.cs-date::before{content:'';width:12px;height:12px;flex:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b0bac4' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7v5l3 2'/%3E%3C/svg%3E") no-repeat center/contain;}
/* 当日发布标红（首页分类精选 / 最新入库） */
.hi-item .hi-tt.hi-today{color:#e53935;font-weight:600;}
.hi-item .hi-dt.hi-today{color:#e53935;font-weight:600;}
.hi-item:hover .hi-tt.hi-today{color:#e53935;}
.cs-item.cs-today .cs-title{color:#e53935;font-weight:600;}
.cs-item.cs-today .cs-code{color:#e53935;font-weight:700;}
.cs-item.cs-today .cs-date{color:#e53935;font-weight:600;}
.cs-item.cs-today .cs-date::before{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e53935' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7v5l3 2'/%3E%3C/svg%3E") no-repeat center/contain;}
.cs-item.cs-today:hover .cs-title{color:#c62828;}
.cs-item.cs-today .cs-dot{background:#e53935;}
.cat-sec-empty{font-size:13px;color:#9aa5b1;padding:10px 0;}
/* 全部资料页 */
.all-head{background:#fff;border-radius:8px;padding:16px 22px;margin-bottom:12px;box-shadow:0 1px 4px rgba(0,0,0,.05);display:flex;align-items:baseline;gap:14px;}
.all-head h1{font-size:20px;color:#1f2d3d;margin:0;display:flex;align-items:center;gap:9px;}
.all-head h1::before{content:'';width:4px;height:18px;background:var(--primary);border-radius:2px;}
.all-head .all-total{font-size:13px;color:#9aa5b1;}
.all-filter{background:#fff;border-radius:8px;padding:12px 18px;margin-bottom:12px;box-shadow:0 1px 4px rgba(0,0,0,.05);display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.all-filter .af-label{font-size:13px;color:#9aa5b1;margin-right:2px;}
.all-filter a{font-size:13px;color:#5b6672;text-decoration:none;padding:4px 11px;border-radius:14px;background:#f5f7f9;}
.all-filter a:hover{color:var(--primary);}
.all-filter a.on{background:var(--primary);color:#fff;font-weight:600;}
.all-sort{margin-left:auto;display:flex;gap:6px;align-items:center;}
.all-sort a{font-size:13px;}
.all-empty{background:#fff;border-radius:8px;padding:60px 20px;text-align:center;color:#999;}
@media (max-width:900px){.cat-sec-grid{grid-template-columns:1fr 1fr;}.cat-sec-subs{max-height:none;}}
@media (max-width:640px){.cat-sec-grid{grid-template-columns:1fr;}.cat-sec-head{flex-wrap:wrap;gap:8px;}.cat-sec-more{margin-left:auto;}}

/* ===== 建筑标准图集库 ===== */
.atlas-page{padding:18px 0 40px;}
.atlas-hero{background:#fff;border-radius:10px;padding:22px 26px;margin-bottom:12px;box-shadow:0 1px 5px rgba(0,0,0,.05);display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.atlas-hero-t{flex:1;min-width:260px;}
.atlas-hero-t h1{font-size:21px;color:#1f2d3d;margin:0 0 7px;display:flex;align-items:center;gap:9px;}
.atlas-hero-t h1::before{content:'';width:4px;height:19px;background:var(--primary);border-radius:2px;}
.atlas-hero-t p{margin:0;font-size:13px;color:#8a95a1;line-height:1.7;}
.atlas-hero-links{margin-left:auto;}
.atlas-chaxin-link{display:inline-block;font-size:13px;color:var(--primary);text-decoration:none;border:1px solid var(--primary);padding:7px 14px;border-radius:18px;white-space:nowrap;transition:all .15s;}
.atlas-chaxin-link:hover{background:var(--primary);color:#fff;}
.atlas-search{display:flex;gap:8px;min-width:300px;flex:0 1 440px;}
.atlas-search input{flex:1;min-width:0;height:38px;padding:0 14px;border:1px solid #dfe5ea;border-radius:19px;font-size:13.5px;outline:none;background:#f7f9fa;}
.atlas-search input:focus{border-color:var(--primary);background:#fff;}
.atlas-search button{height:38px;padding:0 26px;border:none;border-radius:19px;background:var(--primary);color:#fff;font-size:13.5px;cursor:pointer;white-space:nowrap;}
.atlas-search button:hover{opacity:.9;}
.atlas-bar{background:#fff;border-radius:10px;padding:13px 20px;margin-bottom:12px;box-shadow:0 1px 5px rgba(0,0,0,.05);}
.atlas-filter{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:4px 0;}
.atlas-filter+.atlas-filter{border-top:1px dashed #eef1f4;margin-top:7px;padding-top:10px;}
.atlas-filter-label{font-size:12.5px;color:#9aa5b1;margin-right:3px;flex-shrink:0;}
.atlas-chip{font-size:12.5px;color:#5b6672;text-decoration:none;padding:4px 12px;border-radius:14px;background:#f5f7f9;display:inline-flex;align-items:center;gap:5px;transition:all .15s;}
.atlas-chip:hover{color:var(--primary);}
.atlas-chip.active{background:var(--primary);color:#fff;font-weight:600;}
.atlas-chip em{font-style:normal;font-size:11px;opacity:.65;}
.atlas-count{font-size:13px;color:#8a95a1;padding:2px 4px 12px;}
.atlas-count b{color:var(--primary);font-size:15px;}
.atlas-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;}
.atlas-card{background:#fff;border-radius:9px;overflow:hidden;box-shadow:0 1px 5px rgba(0,0,0,.05);display:flex;flex-direction:column;transition:box-shadow .18s,transform .18s;}
.atlas-card:hover{box-shadow:0 5px 18px rgba(0,0,0,.1);transform:translateY(-2px);}
.atlas-cover{background:#f4f6f8;aspect-ratio:3/4;overflow:hidden;position:relative;}
.atlas-cover img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;}
.atlas-cover-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#c3ccd4;font-size:13px;}
.atlas-body{padding:11px 13px 13px;display:flex;flex-direction:column;gap:6px;flex:1;}
.atlas-title{font-size:14px;line-height:1.45;color:#1f2937;font-weight:600;}
.atlas-title a{color:inherit;text-decoration:none;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.atlas-title a:hover{color:var(--primary);}
.atlas-code{font-size:12.5px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.2px;}
.atlas-abs{font-size:12px;color:#8a95a1;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.atlas-meta{display:flex;flex-wrap:wrap;gap:5px;align-items:center;margin-top:auto;}
.atlas-mcat,.atlas-mtype{font-size:11px;padding:1px 7px;border-radius:4px;background:#eef2f7;color:#64748b;}
.atlas-mtype{background:#f3f0fb;color:#6b5ca5;}
.atlas-tag{font-size:11px;padding:1px 7px;border-radius:4px;font-weight:600;}
.atlas-tag.now{background:#eaf1fe;color:#1d4ed8;}
.atlas-tag.dead{background:#fdecea;color:#c0392b;}
.atlas-tag.soon{background:#fef3c7;color:#b45309;}
.atlas-tag.ebook.yes{background:#e6f7ec;color:#15803d;}
.atlas-tag.ebook.no{background:#f1f3f5;color:#8a95a1;}
.atlas-dates{display:flex;flex-wrap:wrap;gap:10px;font-size:11.5px;color:#b0bac4;border-top:1px solid #f2f5f7;padding-top:7px;}
.atlas-empty{background:#fff;border-radius:9px;padding:64px 20px;text-align:center;color:#9aa5b1;box-shadow:0 1px 5px rgba(0,0,0,.05);}
.atlas-empty p{margin:0 0 8px;}
.atlas-empty-tip{font-size:13px;color:#b8c2cc;}
@media (max-width:1200px){.atlas-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:900px){.atlas-grid{grid-template-columns:repeat(2,1fr);}.atlas-hero{gap:16px;}.atlas-search{flex:1 1 100%;}}
@media (max-width:560px){.atlas-grid{grid-template-columns:1fr;}}