/* =========================================================
   navdir 主题主样式 —— 参考 75dir.com 深色导航站设计
   配色: 背景 #0a0a0f / 卡片 #16161f / 主色渐变 #6366f1→#a855f7
   ========================================================= */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #a855f7;
    --indigo: #818cf8;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --grad: linear-gradient(135deg, #6366f1, #a855f7);
    --bg: #0a0a0f;
    --bg-body: #0a0a0f;
    --bg-card: #16161f;
    --bg-card2: #1b1b26;
    --bg-elevated: #1e1e2a;
    --bg-input: rgba(255, 255, 255, 0.04);
    --bg-input-focus: rgba(255, 255, 255, 0.07);
    --text: #e8e8ed;
    --text-light: #8b8b9e;
    --text-lighter: #63636f;
    --border: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --radius: 12px;
    --radius-lg: 14px;
    --nav-h: 64px;
    --sidebar-width: 240px;
}

[data-theme="light"] {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #9333ea;
    --indigo: #4f46e5;
    --bg: #f7f8fc;
    --bg-body: #f7f8fc;
    --bg-card: #ffffff;
    --bg-card2: #f0f2f8;
    --bg-elevated: #ffffff;
    --bg-input: #f0f2f8;
    --bg-input-focus: #e8eaf3;
    --text: #1a1a2e;
    --text-light: #4a4a5e;
    --text-lighter: #7a7a8e;
    --border: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.14);
    --shadow: 0 4px 16px rgba(24, 24, 60, 0.08);
    --shadow-lg: 0 12px 32px rgba(24, 24, 60, 0.12);
}

[data-theme="light"] body {
    background: linear-gradient(180deg, #f7f8fc 0%, #eef0f7 100%);
}

/* ---- Reset ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

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

a { color: var(--text); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--indigo); }

img { max-width: 100%; border: 0; }

ul, ol { list-style: none; }

input, button, textarea, select {
    font-family: inherit;
    font-size: 14px;
    outline: none;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(139, 139, 158, 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(139, 139, 158, 0.5); }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ---- 顶部导航 ---- */
.nd-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(10, 10, 15, 0.82);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border);
}

[data-theme="light"] .nd-nav {
    background: rgba(255, 255, 255, 0.86);
}

.nd-nav-inner {
    max-width: 1440px;
    height: var(--nav-h);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.nd-logo {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 17px;
    font-weight: 800;
    color: var(--text);
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.nd-logo:hover { color: var(--text); }

.nd-logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    flex-shrink: 0;
}

.nd-logo-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.nd-logo em {
    font-style: normal;
    color: var(--text-lighter);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 3px;
    display: block;
    line-height: 1;
    margin-top: 2px;
}

.nd-menu {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    min-width: 0;
    overflow: visible;
}

.nd-menu-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 13px;
    border-radius: 8px;
    color: var(--text);
    font-size: 13.5px;
    font-weight: 500;
    white-space: nowrap;
}

.nd-menu-item i { font-size: 12px; color: var(--text-light); transition: transform 0.2s; }

.nd-menu-item:hover { color: #fff; background: var(--bg-input); }
[data-theme="light"] .nd-menu-item:hover { color: var(--primary); }

.nd-menu-item.active { color: #fff; font-weight: 600; }
[data-theme="light"] .nd-menu-item.active { color: var(--primary); }

/* 导航"提交网站"高亮项 */
.nd-menu-submit {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #fff !important;
    background: var(--grad);
    border-radius: 999px;
    padding: 7px 15px !important;
    font-size: 13.5px;
    white-space: nowrap;
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.25);
}

.nd-menu-submit:hover { background: var(--grad); opacity: 0.9; color: #fff !important; }
[data-theme="light"] .nd-menu-submit:hover { color: #fff !important; }
.nd-menu-submit i { font-size: 13px; }

@media (max-width: 1120px) {
    .nd-nav-inner { gap: 18px; }
    .nd-menu { gap: 0; }
    .nd-menu-item { padding: 8px 9px; }
}

.nd-drop { position: relative; }

.nd-drop-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 460px;
    max-height: 420px;
    overflow-y: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 14px;
    display: none;
    z-index: 1100;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}

.nd-drop:hover .nd-drop-menu,
.nd-drop:focus-within .nd-drop-menu { display: grid; }

.nd-drop:hover .nd-menu-item i { transform: rotate(180deg); }

.nd-drop-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--text);
    font-size: 13.5px;
}

.nd-drop-menu a span {
    font-size: 11px;
    color: var(--text-lighter);
    background: var(--bg-input);
    border-radius: 4px;
    padding: 1px 6px;
}

.nd-drop-menu a:hover { background: var(--bg-input); color: var(--indigo); }

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

.nd-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text);
    font-size: 13.5px;
    font-weight: 500;
    padding: 7px 10px;
    border-radius: 8px;
    background: none;
    border: 0;
    cursor: pointer;
}

.nd-action-btn:hover { background: var(--bg-input); color: #fff; }
[data-theme="light"] .nd-action-btn:hover { color: var(--primary); }

.nd-toggle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: var(--bg-input);
    color: var(--warning);
    font-size: 15px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.nd-toggle:hover { transform: rotate(20deg); border-color: var(--indigo); }

.nd-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    object-fit: cover;
    display: block;
}

.nd-avatar-link { border-radius: 50%; flex-shrink: 0; }

.nd-burger {
    display: none;
    width: 38px;
    height: 38px;
    border: 0;
    background: none;
    color: var(--text);
    font-size: 19px;
    cursor: pointer;
}

.nd-mobile-panel {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    z-index: 999;
    background: var(--bg);
    overflow-y: auto;
    padding: 18px 20px 40px;
}

.nd-mobile-panel.open { display: block; }

.nd-mobile-panel a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 6px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 15px;
}

.nd-mobile-panel a span { color: var(--text-lighter); font-size: 12px; }

/* ---- Hero（首页） ---- */
.nd-hero {
    position: relative;
    padding: 56px 24px 36px;
    text-align: center;
    overflow: visible;
}

.nd-hero.has-search .hero-content {
    margin-bottom: 24px;
}

.nd-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.nd-hero-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #e8e8ed, #a5a5c0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: 12px;
}

[data-theme="light"] .nd-hero-title {
    background: linear-gradient(135deg, #1a1a2e, #6366f1);
    -webkit-background-clip: text;
    background-clip: text;
}

.nd-hero-title em {
    font-style: normal;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.nd-hero-sub {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 28px;
}

/* 搜索框（多引擎） */
.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    transition: 0.3s;
    z-index: 100;
}

.search-box:focus-within {
    border-color: var(--indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-engine-selector {
    position: relative;
    flex-shrink: 0;
    z-index: 10;
    overflow: visible;
}

.engine-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 10px 0 14px;
    height: 48px;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: 0.2s;
    border-right: 1px solid var(--border);
}

.engine-toggle:hover { color: var(--indigo); }

.engine-icon { font-size: 16px; }

.engine-name { font-weight: 500; }

.engine-arrow { font-size: 10px; opacity: 0.5; margin-left: 2px; }

.engine-dropdown {
    position: fixed;
    min-width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: 0.2s;
    z-index: 99999;
}

.engine-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.engine-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text);
    transition: 0.15s;
    cursor: pointer;
}

.engine-option:hover { background: var(--bg-card2); color: var(--indigo); }

.engine-option.active {
    background: rgba(99, 102, 241, 0.12);
    color: var(--indigo);
    font-weight: 600;
}

.search-box input {
    flex: 1;
    width: 100%;
    min-width: 0;
    padding: 14px 52px 14px 14px;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 15px;
    outline: none;
}

.search-box input::placeholder { color: var(--text-lighter); }

.search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--grad);
    border: none;
    cursor: pointer;
    color: #fff;
    font-size: 16px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover { transform: translateY(-50%) scale(1.05); }

/* 热门搜索 */
.hot-searches {
    max-width: 560px;
    margin: 12px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-lighter);
}

.hot-searches span { color: var(--text-lighter); }

.hot-searches a {
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--bg-input);
    color: var(--text-light);
    border: 1px solid transparent;
    transition: 0.2s;
}

.hot-searches a:hover {
    background: rgba(99, 102, 241, 0.12);
    color: var(--indigo);
    border-color: rgba(99, 102, 241, 0.18);
}

/* 统计数字 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 22px;
}

.hero-stat { text-align: center; }

.hero-stat .num {
    font-size: 28px;
    font-weight: 800;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-stat .label {
    font-size: 12px;
    color: var(--text-lighter);
    margin-top: 2px;
}

/* ---- 内页小 Hero ---- */
.nd-pagehero {
    position: relative;
    padding: 46px 20px 34px;
    text-align: center;
    background: radial-gradient(600px 240px at 50% -80px, rgba(99, 102, 241, 0.14), transparent);
}

.nd-pagehero h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.3;
}

.nd-pagehero h1 em {
    font-style: normal;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.nd-pagehero p {
    margin: 12px auto 0;
    max-width: 720px;
    color: var(--text-light);
    font-size: 14px;
}

/* 站内搜索框（搜索/标签结果页） */
.nd-search {
    position: relative;
    max-width: 600px;
    margin: 24px auto 0;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    transition: 0.3s;
}

.nd-search:focus-within {
    border-color: var(--indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.nd-search-ico {
    position: absolute;
    left: 18px;
    color: var(--text-lighter);
    font-size: 14px;
    pointer-events: none;
}

.nd-search input {
    flex: 1;
    min-width: 0;
    padding: 14px 56px 14px 44px;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 15px;
}

.nd-search input::placeholder { color: var(--text-lighter); }

.nd-search button {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--grad);
    border: none;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.nd-search button:hover { transform: translateY(-50%) scale(1.05); }

@media (max-width: 520px) {
    .nd-search { max-width: 100%; }
    .nd-search input { padding: 12px 50px 12px 40px; font-size: 14px; }
    .nd-search button { width: 34px; height: 34px; }
}

/* 管理员置顶管理条（详情页） */
.nd-adminbar {
    margin-top: 14px;
    text-align: center;
}

.nd-adminbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 16px;
    background: var(--bg-card);
    border: 1px dashed var(--border-light);
    border-radius: 999px;
    color: var(--text-light);
    font-size: 13px;
    cursor: pointer;
    transition: 0.25s;
}

.nd-adminbar-btn:hover { color: var(--warning); border-color: var(--warning); }

.nd-adminbar-btn em {
    font-style: normal;
    color: var(--warning);
    font-size: 12px;
}

.nd-adminbar-panel {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
    margin-top: 10px;
    padding: 10px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    font-size: 13.5px;
    color: var(--text);
}

.nd-adminbar-panel label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    white-space: nowrap;
}

.nd-adminbar-panel input[type="radio"] { accent-color: var(--primary); }

.nd-adminbar-ok {
    padding: 6px 18px;
    background: var(--grad);
    border: none;
    border-radius: 999px;
    color: #fff;
    font-size: 13px;
    cursor: pointer;
}

.nd-adminbar-ok:disabled { opacity: 0.6; cursor: not-allowed; }

.nd-adminbar-ok.ok { background: linear-gradient(135deg, #10b981, #34d399); }

/* 标签聚合页 */
.nd-tags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
}

.nd-tag-cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 14px;
    transition: 0.25s;
}

.nd-tag-cell:hover {
    color: var(--indigo);
    border-color: var(--indigo);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.nd-tag-cell .nd-tag-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-tag-cell .nd-tag-cnt {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-lighter);
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 1px 9px;
    border-radius: 999px;
}

@media (max-width: 520px) {
    .nd-tags-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 9px; }
    .nd-tag-cell { padding: 10px 12px; font-size: 13px; }
}

/* ---- 分类胶囊条（75dir cat-nav-v2 风格） ---- */
.nd-cats {
    max-width: 1400px;
    margin: 24px auto 0;
    padding: 0 24px;
    position: relative;
    z-index: 80;
}

.nd-cats-scroll {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
    padding: 8px;
    overflow-x: auto;
    overflow-y: visible;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border: 1px solid var(--border);
    border-radius: 22px;
    background:
        radial-gradient(circle at 8% 0%, rgba(99, 102, 241, 0.18), transparent 34%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
    box-shadow: 0 16px 46px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(18px) saturate(1.25);
    -webkit-backdrop-filter: blur(18px) saturate(1.25);
}

.nd-cats-scroll::-webkit-scrollbar { display: none; height: 0; }

.nd-cat-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 40px;
    max-width: 188px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 13px;
    color: var(--text-light);
    transition: 0.18s ease;
    flex: 0 0 auto;
    overflow: hidden;
}

[data-theme="light"] .nd-cat-pill {
    color: #4a4a5e;
    border-color: rgba(99, 102, 241, 0.10);
    background: rgba(255, 255, 255, 0.74);
}

.nd-cat-pill i { font-size: 15px; }

.nd-cat-pill .nd-cat-ico {
    width: 16px;
    height: 16px;
    object-fit: cover;
    border-radius: 4px;
}

.nd-cat-pill .nd-cat-count {
    font-size: 11px;
    font-weight: 700;
    padding: 0 6px;
    min-width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--indigo);
}

.nd-cat-pill:hover,
.nd-cat-pill.active {
    color: #fff;
    background: var(--grad);
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(99, 102, 241, 0.24);
}

.nd-cat-pill.active { font-weight: 600; }

.nd-cat-pill.active .nd-cat-count,
.nd-cat-pill:hover .nd-cat-count {
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.18);
}

[data-theme="light"] .nd-cats-scroll {
    background:
        radial-gradient(circle at 8% 0%, rgba(99, 102, 241, 0.13), transparent 34%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(247, 248, 252, 0.78));
    box-shadow: 0 14px 36px rgba(30, 41, 59, 0.08);
}

/* ---- 主容器 ---- */
.main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 24px;
}

/* ---- 四列快捷区（快审/最新收录/热门点入/热门标签） ---- */
.four-col-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 28px;
}

.four-col-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: 0.3s;
}

.four-col-item:hover {
    border-color: var(--border-light);
    background: var(--bg-card2);
}

.four-col-item .section-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    margin-bottom: 0;
}

.four-col-list {
    display: flex;
    flex-direction: column;
}

.four-col-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
}

.four-col-link:last-child { border-bottom: none; }

.four-col-link:hover {
    background: var(--bg-card2);
    color: var(--indigo);
}

.four-col-left {
    display: flex;
    align-items: center;
    min-width: 0;
    flex: 1;
}

.four-col-logo {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--indigo);
    flex-shrink: 0;
    overflow: hidden;
    margin-right: 8px;
}

.four-col-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}

.logo-char { line-height: 1; }

.four-col-name {
    font-size: 14px;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.four-col-stat {
    font-size: 12px;
    color: var(--text-lighter);
    margin-left: 10px;
    white-space: nowrap;
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---- 栏目区块 ---- */
.nd-sec {
    margin-bottom: 36px;
}

.nd-sec-head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nd-sec-icon {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--warning);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nd-sec-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-sec-title a:hover { color: var(--indigo); }

/* 栏目区块头部（75dir 样式） */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.nd-sec > .section-header { margin-bottom: 18px; }

.section-title {
    font-size: 19px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.section-title .icon {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}

.section-title .icon.pay {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(239, 68, 68, 0.15));
}

.section-title .icon.hot {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(236, 72, 153, 0.15));
}

.section-title .icon.latest {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(6, 182, 212, 0.15));
}

.section-title .icon.cat {
    background: rgba(99, 102, 241, 0.15);
}

.section-more {
    font-size: 13px;
    color: var(--text-lighter);
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: 0.2s;
    flex-shrink: 0;
}

.section-more:hover { border-color: var(--border-light); color: var(--text-light); }

/* 子分类标签条 */
.section-subcat-tabs {
    margin: -6px 0 16px;
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-input);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    white-space: nowrap;
}

[data-theme="light"] .section-subcat-tabs {
    background: rgba(255, 255, 255, 0.72);
}

.section-subcat-scroll {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    flex-wrap: nowrap;
}

.section-subcat-tab {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 999px;
    color: var(--text-light);
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: 0.2s ease;
}

.section-subcat-tab:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--border);
}

[data-theme="light"] .section-subcat-tab:hover {
    background: rgba(0, 0, 0, 0.04);
}

.section-subcat-tab.active {
    color: #fff;
    background: var(--grad);
    border-color: transparent;
    box-shadow: 0 8px 18px rgba(99, 102, 241, 0.15);
}

/* 栏目卡片栅格（自适应，255px 起步保证桌面 4 列） */
.site-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
    gap: 14px;
}

/* ---- 网站卡片（75dir 样式） ---- */
.site-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.site-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card2);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.card-link-area {
    display: block;
    padding: 12px 14px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.site-card-top {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 6px;
}

.site-logo {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--indigo);
    flex-shrink: 0;
    overflow: hidden;
    transition: 0.2s;
}

.site-logo:hover { transform: scale(1.05); }

.site-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 11px;
}

.site-info { flex: 1; min-width: 0; }

.site-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 5px;
}

.site-name:hover { color: var(--indigo); }

.site-url {
    font-size: 12px;
    color: var(--text-lighter);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.site-desc {
    font-size: 13px;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
    margin-top: auto;
    word-break: break-all;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px 10px;
    margin-top: 8px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.site-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.site-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 5px;
    background: var(--bg-input);
    color: var(--text-lighter);
    display: inline-block;
    transition: 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90px;
}

.site-tag:hover { background: rgba(255, 255, 255, 0.08); }

[data-theme="light"] .site-tag:hover { background: rgba(0, 0, 0, 0.05); }

.site-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-lighter);
}

.site-stat-item {
    display: flex;
    align-items: center;
    gap: 2px;
    cursor: default;
}

.visit-btn {
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--grad);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    transition: 0.2s;
    white-space: nowrap;
}

.visit-btn:hover {
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* 兼容内页复用的旧卡片类 */
.nd-sc-go {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--grad);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.nd-sc-go:hover { color: #fff; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }

.nd-sc-tags {
    margin-top: 6px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.nd-sc-tag {
    font-size: 11px;
    color: var(--indigo);
    background: rgba(99, 102, 241, 0.12);
    border-radius: 5px;
    padding: 1.5px 7px;
    white-space: nowrap;
    text-decoration: none;
}

a.nd-sc-tag { display: inline-block; }

a.nd-sc-tag:hover {
    color: #fff;
    background: var(--primary);
}

/* ---- 主布局（列表/详情 侧栏） ---- */
.nd-cols {
    max-width: 1280px;
    margin: 18px auto 0;
    padding: 0 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 18px;
    align-items: start;
}

.nd-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.nd-card-h {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 18px;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.nd-card-h i { color: var(--indigo); font-size: 14px; }

.nd-card-b { padding: 16px 18px; }

/* ---- 列表页条目 ---- */
.nd-litem {
    display: flex;
    gap: 14px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.nd-litem:hover { background: var(--bg-card2); }

.nd-litem:last-child { border-bottom: 0; }

.nd-lthumb {
    width: 100px;
    height: 130px;
    border-radius: 10px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 700;
    color: var(--indigo);
    flex-shrink: 0;
    overflow: hidden;
}

.nd-lthumb img { width: 100%; height: 100%; object-fit: cover; }

.nd-lbody { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.nd-lrow {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nd-ltitle {
    flex: 1;
    min-width: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-litem:hover .nd-ltitle { color: var(--indigo); }

.nd-ldate { font-size: 12px; color: var(--text-lighter); flex-shrink: 0; }

.nd-lbrief {
    margin-top: 6px;
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-all;
}

.nd-ltags { margin-top: 7px; display: flex; flex-wrap: wrap; gap: 5px; }

.nd-lfoot {
    margin-top: auto;
    padding-top: 9px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-lighter);
    flex-wrap: wrap;
}

.nd-lfoot .nd-sc-go { margin-left: auto; }

/* ---- 侧栏 ---- */
.nd-side { display: flex; flex-direction: column; gap: 18px; }

.nd-catgrid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 14px;
}

.nd-catgrid a {
    display: block;
    text-align: center;
    padding: 8px 4px;
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-light);
    font-size: 12.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nd-catgrid a:hover { color: var(--indigo); background: rgba(99, 102, 241, 0.12); }

.nd-catgrid a.active { background: var(--grad); color: #fff; font-weight: 600; }

/* 排行榜 */
.nd-rank { padding: 6px 14px 12px; }

.nd-rk-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}

.nd-rk-item:last-child { border-bottom: 0; }

.nd-rk-num {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text-light);
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nd-rk-item:nth-child(1) .nd-rk-num,
.nd-rk-item:nth-child(2) .nd-rk-num,
.nd-rk-item:nth-child(3) .nd-rk-num {
    background: var(--grad);
    color: #fff;
}

.nd-rk-name {
    flex: 1;
    min-width: 0;
    font-size: 13.5px;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-rk-item:hover .nd-rk-name { color: var(--indigo); }

.nd-rk-val {
    font-size: 12px;
    color: var(--text-lighter);
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.nd-rk-val i { color: var(--warning); font-size: 11px; }

/* 标签云卡片 */
.nd-tagcloud { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px; }

.nd-tagcloud a {
    padding: 6px 13px;
    border-radius: 999px;
    background: var(--bg-input);
    color: var(--text-light);
    font-size: 12.5px;
    border: 1px solid transparent;
}

.nd-tagcloud a:hover { color: var(--indigo); border-color: var(--indigo); }

/* ---- 详情页 ---- */
.nd-dhero {
    position: relative;
    padding: 48px 20px 34px;
    text-align: center;
    background: radial-gradient(680px 260px at 50% -90px, rgba(99, 102, 241, 0.15), transparent);
}

.nd-dhero h1 {
    font-size: 34px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.35;
}

.nd-dhero p {
    margin: 16px auto 0;
    max-width: 820px;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.75;
}

.nd-dactions {
    margin-top: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.nd-dbtn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 22px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: 0.2s;
}

.nd-dbtn.primary {
    background: var(--grad);
    color: #fff;
}

.nd-dbtn.primary:hover { color: #fff; filter: brightness(1.12); transform: translateY(-1px); }

.nd-dbtn.ghost {
    background: var(--bg-card);
    border-color: var(--border-light);
    color: var(--text);
}

.nd-dbtn.ghost:hover { color: var(--indigo); border-color: var(--indigo); }

/* 详情统计条 */
.nd-dstats {
    margin-top: 6px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 20px 10px;
}

.nd-dstat {
    text-align: center;
    border-right: 1px solid var(--border);
    padding: 0 10px;
}

.nd-dstat:last-child { border-right: 0; }

.nd-dstat .num {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--indigo);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-dstat .label { margin-top: 5px; font-size: 12.5px; color: var(--text-light); }

/* 详情信息卡 */
.nd-ih {
    margin: 16px;
    padding: 16px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    gap: 14px;
    align-items: center;
}

.nd-ih-icon {
    width: 88px;
    height: 72px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 700;
    color: var(--indigo);
    flex-shrink: 0;
    overflow: hidden;
}

.nd-ih-icon img { width: 100%; height: 100%; object-fit: cover; }

.nd-ih-info { flex: 1; min-width: 0; }

.nd-ih-domain {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    word-break: break-all;
}

.nd-ih-domain i { color: var(--indigo); font-size: 14px; flex-shrink: 0; }

.nd-ih-meta {
    margin-top: 7px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: var(--text-lighter);
}

/* 键值信息栅格 */
.nd-kvgrid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0 16px 16px;
}

.nd-kv {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 14px;
}

.nd-kv label {
    font-size: 12.5px;
    color: var(--text-light);
    flex-shrink: 0;
}

.nd-kv span {
    font-size: 13.5px;
    color: var(--text);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-kv span a:hover { color: var(--indigo); }

/* 详情正文 */
.nd-content {
    padding: 4px 16px 18px;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
    word-break: break-all;
}

.nd-content img { border-radius: 8px; }

/* 相关推荐 */
.nd-rel { padding: 8px 16px 16px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }

.nd-rel-item {
    display: flex;
    align-items: center;
    gap: 11px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    transition: 0.15s;
}

.nd-rel-item:hover { border-color: rgba(99, 102, 241, 0.4); }

.nd-rel-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--indigo);
    flex-shrink: 0;
    overflow: hidden;
}

.nd-rel-icon img { width: 100%; height: 100%; object-fit: cover; }

.nd-rel-info { flex: 1; min-width: 0; }

.nd-rel-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-rel-item:hover .nd-rel-name { color: var(--indigo); }

.nd-rel-brief {
    margin-top: 3px;
    font-size: 12px;
    color: var(--text-lighter);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-rel-go {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    font-size: 12px;
    flex-shrink: 0;
}

.nd-rel-go:hover { color: #fff; background: var(--grad); border-color: transparent; }

/* ---- 分页 ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 22px 16px 8px;
    list-style: none;
}

.pagination li { display: inline-block; }

.pagination a, .pagination span, .pagination .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border-radius: 9px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: 13.5px;
}

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

.pagination .active span, .pagination span.current {
    background: var(--grad);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}

.pagination .disabled span { opacity: 0.4; }

/* ---- 空状态 ---- */
.nd-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.nd-empty i {
    font-size: 44px;
    color: var(--text-lighter);
    opacity: 0.6;
}

.nd-empty p { margin-top: 14px; font-size: 14.5px; }

/* ---- 提交 CTA（75dir 样式） ---- */
.submit-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(168, 85, 247, 0.04));
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    margin: 36px 0;
    transition: all 0.3s ease;
}

.submit-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
}

.submit-section h3 { font-size: 20px; margin-bottom: 8px; color: var(--text); }

.submit-section p { font-size: 14px; color: var(--text-light); margin-bottom: 18px; }

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    background: var(--grad);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    transition: 0.2s;
}

.submit-btn:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* ---- 友情链接（75dir 样式） ---- */
.friend-links {
    padding: 20px 0;
    border-top: 1px solid var(--border);
    margin-top: 16px;
}

.friend-links-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 12px;
}

.friend-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.friend-links-list a {
    padding: 6px 14px;
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-light);
    font-size: 12.5px;
    border: 1px solid transparent;
    transition: 0.2s;
}

.friend-links-list a:hover { color: var(--indigo); border-color: rgba(99, 102, 241, 0.25); }

/* ---- 页脚 ---- */
.nd-footer {
    margin-top: 48px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 40px 0 0;
}

.nd-footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px 32px;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 32px;
}

.nd-footer-brand .nd-logo { margin-bottom: 14px; }

.nd-footer-brand p {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.7;
}

.nd-footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
}

.nd-footer-col a {
    display: block;
    padding: 4.5px 0;
    color: var(--text-light);
    font-size: 13px;
}

.nd-footer-col a:hover { color: var(--indigo); }

.nd-footer-bottom {
    border-top: 1px solid var(--border);
    padding: 18px 0;
}

.nd-footer-bottom-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--text-lighter);
    font-size: 12.5px;
}

.nd-footer-bottom-inner a { color: var(--text-light); }

.nd-footer-bottom-inner a:hover { color: var(--indigo); }

/* ---- 返回顶部 ---- */
.nd-backtop {
    position: fixed;
    right: 26px;
    bottom: 34px;
    z-index: 900;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    color: var(--text-light);
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: 0.25s;
}

.nd-backtop.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nd-backtop:hover { color: #fff; background: var(--grad); border-color: transparent; }

/* ---- 工具类 ---- */
.nd-hide { display: none !important; }

.mt-0 { margin-top: 0 !important; }

/* 面包屑 */
.nd-crumb {
    max-width: 1280px;
    margin: 18px auto 0;
    padding: 0 20px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12.5px;
    color: var(--text-lighter);
}

.nd-crumb a { color: var(--text-light); }

.nd-crumb a:hover { color: var(--indigo); }

.nd-crumb i { font-size: 10px; opacity: 0.7; }

/* ---- 响应式 ---- */
@media (max-width: 1100px) {
    .nd-quick { grid-template-columns: repeat(2, 1fr); }
    .nd-sec-grid { grid-template-columns: repeat(2, 1fr); }
    .nd-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
    .nd-menu { display: none; }
    .nd-burger { display: inline-flex; align-items: center; justify-content: center; }
    .nd-nav-actions .nd-action-btn span { display: none; }
    .nd-cols { grid-template-columns: 1fr; }
    .nd-hero-title { font-size: 32px; }
    .nd-pagehero h1 { font-size: 26px; }
    .nd-dhero h1 { font-size: 26px; }
    .nd-drop-menu { display: none !important; }
}

@media (max-width: 768px) {
    .nd-sec-grid { grid-template-columns: 1fr; }
    .four-col-section { grid-template-columns: 1fr; }
    .nd-rel { grid-template-columns: 1fr; }
    .nd-dstats { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
    .nd-dstat:nth-child(2) { border-right: 0; }
    .hero-stats { gap: 36px; }
    .nd-hero { padding: 40px 16px 28px; }
    .nd-hero-title { font-size: 26px; }
    .search-box { border-radius: 12px; }
    .search-btn { border-radius: 10px; }
    .main { padding: 20px 16px; }
    .nd-cats { padding: 0 16px; }
    .nd-kvgrid { grid-template-columns: 1fr; }
    .nd-ih { flex-direction: column; align-items: flex-start; }
    .nd-litem { padding: 14px; }
    .nd-lthumb { width: 88px; height: 110px; font-size: 20px; }
    .nd-footer { margin-top: 32px; padding-top: 28px; }
    .nd-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; padding: 0 16px 24px; }
    .nd-footer-brand { grid-column: 1 / -1; }
    .nd-footer-col h4 { margin-bottom: 8px; font-size: 13.5px; }
    .nd-footer-col a { display: inline-block; padding: 4px 12px 4px 0; }
    .nd-footer-bottom { padding: 14px 0; }
    .nd-footer-bottom-inner { flex-direction: column; justify-content: center; text-align: center; gap: 6px; font-size: 12px; }
}

@media (max-width: 520px) {
    .nd-hero-title { font-size: 22px; }
    .hero-stat .num { font-size: 22px; }
    .hero-stats { gap: 24px; }
    .nd-cat-pill { padding: 8px 12px; font-size: 12.5px; }
    .engine-toggle { padding: 0 8px 0 10px; }
    .engine-name { display: none; }
    .nd-dactions .nd-dbtn { height: 38px; padding: 0 16px; font-size: 13px; }
}

/* =========================================================
   用户中心 / 登录注册 / 内部页面样式（继承自 nav 主题，随变量适配深色）
   ========================================================= */

/* User Center Layout */
.uc-layout {
    display: flex;
    gap: 24px;
}

.uc-sidebar {
    width: 240px;
    flex-shrink: 0;
}

.uc-content {
    flex: 1;
    min-width: 0;
}

.uc-profile-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.uc-profile-banner {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 24px;
    text-align: center;
    color: #fff;
}

.uc-profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.3);
    overflow: hidden;
    margin: 0 auto 12px;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.uc-profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uc-profile-avatar i {
    font-size: 32px;
    color: rgba(255,255,255,0.8);
}

.uc-profile-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.uc-profile-group {
    font-size: 13px;
    opacity: 0.85;
}

.uc-profile-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--border);
}

.uc-profile-stat {
    padding: 16px;
    text-align: center;
}

.uc-profile-stat:first-child {
    border-right: 1px solid var(--border);
}

.uc-profile-stat-num {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.uc-profile-stat-label {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

/* UC Nav */
.uc-nav {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-top: 16px;
    overflow: hidden;
}

.uc-nav-header {
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.uc-nav-header i {
    margin-right: 6px;
    color: var(--primary);
}

.uc-nav-list {
    padding: 8px;
}

.uc-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-light);
    transition: .2s;
}

.uc-nav-item i {
    width: 18px;
    text-align: center;
    font-size: 14px;
}

.uc-nav-item:hover {
    background: var(--bg);
    color: var(--text);
}

.uc-nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

/* UC Content Card */
.uc-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.uc-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.uc-card-title {
    font-size: 17px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.uc-card-title i {
    color: var(--primary);
}

.uc-card-body {
    padding: 24px;
}

/* UC Info Grid */
.uc-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.uc-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.uc-info-label {
    font-size: 13px;
    color: var(--text-lighter);
}

.uc-info-value {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
}

/* UC Form */
.uc-form {
    max-width: 480px;
}

.uc-form-group {
    margin-bottom: 20px;
}

.uc-form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.uc-form-input {
    width: 100%;
    height: 44px;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: .2s;
}

.uc-form-input:focus {
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.uc-form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: .2s;
}

.uc-form-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Icon Upload */
.icon-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-preview {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.icon-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.icon-preview .default-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    opacity: 0.7;
}

.icon-upload-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.icon-or {
    color: var(--text-muted);
    font-size: 13px;
}

.icon-url-input {
    flex: 1;
    min-width: 200px;
}

/* UC Avatar Upload */
.uc-avatar-upload {
    text-align: center;
    padding: 24px 0;
}

.uc-avatar-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid var(--border);
    position: relative;
    cursor: pointer;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.uc-avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uc-avatar-preview i {
    font-size: 48px;
    color: var(--text-lighter);
}

.uc-avatar-preview:hover {
    border-color: var(--primary);
}

.uc-avatar-preview:hover::after {
    content: '\f030';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.uc-avatar-hint {
    font-size: 13px;
    color: var(--text-lighter);
    margin-top: 12px;
}

.uc-avatar-progress {
    width: 200px;
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    margin: 16px auto 0;
    overflow: hidden;
    display: none;
}

.uc-avatar-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    transition: width 0.3s;
    width: 0%;
}

/* UC Bind List */
.uc-bind-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.uc-bind-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg);
    border-radius: var(--radius);
}

.uc-bind-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.uc-bind-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.uc-bind-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uc-bind-name {
    font-size: 15px;
    font-weight: 500;
}

.uc-bind-action {
    font-size: 14px;
    padding: 6px 16px;
    border-radius: var(--radius);
    transition: .2s;
}

.uc-bind-action.bind {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.uc-bind-action.bind:hover {
    background: var(--primary);
    color: #fff;
}

.uc-bind-action.unbind {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.uc-bind-action.unbind:hover {
    background: var(--danger);
    color: #fff;
}

/* UC Thread List */
.uc-thread-list {
    display: flex;
    flex-direction: column;
}

.uc-thread-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    transition: .2s;
}

.uc-thread-item:last-child {
    border-bottom: none;
}

.uc-thread-item:hover {
    background: var(--bg);
}

.uc-thread-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
    overflow: hidden;
}

.uc-thread-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uc-thread-info {
    flex: 1;
    min-width: 0;
}

.uc-thread-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.uc-thread-title a {
    color: inherit;
}

.uc-thread-title a:hover {
    color: var(--primary);
}

.uc-thread-brief {
    font-size: 13px;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.uc-thread-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-lighter);
    margin-top: 6px;
}

.uc-thread-meta i {
    margin-right: 4px;
}

.uc-thread-check {
    flex-shrink: 0;
    margin-top: 14px;
}

/* UC Comment List */
.uc-comment-item {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.uc-comment-item:last-child {
    border-bottom: none;
}

.uc-comment-item:hover {
    background: var(--bg);
}

.uc-comment-body {
    flex: 1;
    min-width: 0;
}

.uc-comment-subject {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
}

.uc-comment-subject a {
    color: var(--text);
}

.uc-comment-subject a:hover {
    color: var(--primary);
}

.uc-comment-text {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    word-break: break-all;
}

/* UC Mod Bar */
.uc-mod-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.uc-mod-bar label {
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.uc-mod-btn {
    padding: 8px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-light);
    font-size: 14px;
    cursor: pointer;
    transition: .2s;
}

.uc-mod-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* Auth Pages (Login/Register/ResetPW) */
.auth-wrapper {
    min-height: calc(100vh - 60px - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.auth-card-header {
    padding: 28px 32px 0;
    text-align: center;
}

.auth-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.auth-card-desc {
    font-size: 14px;
    color: var(--text-light);
}

.auth-card-body {
    padding: 28px 32px 32px;
}

.auth-form-group {
    margin-bottom: 16px;
}

.auth-form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.auth-input-wrap {
    position: relative;
}

.auth-input-wrap i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-lighter);
    font-size: 14px;
}

.auth-input {
    width: 100%;
    height: 46px;
    padding: 0 16px 0 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: .2s;
}

.auth-input:focus {
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-btn {
    width: 100%;
    height: 46px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: .2s;
    margin-top: 8px;
}

.auth-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.auth-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    font-size: 13px;
}

.auth-footer a {
    color: var(--text-light);
}

.auth-footer a:hover {
    color: var(--primary);
}

.auth-code-row {
    display: flex;
    gap: 12px;
}

.auth-code-row .auth-input-wrap {
    flex: 1;
}

.auth-code-btn {
    white-space: nowrap;
    padding: 0 16px;
    height: 46px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    cursor: pointer;
    transition: .2s;
    flex-shrink: 0;
}

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

/* User Profile (other user view) */
.uc-user-banner {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 32px;
    border-radius: var(--radius-lg);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
}

.uc-user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.3);
    overflow: hidden;
    flex-shrink: 0;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.uc-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uc-user-avatar i {
    font-size: 32px;
    color: rgba(255,255,255,0.8);
}

.uc-user-info {
    flex: 1;
}

.uc-user-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.uc-user-meta {
    font-size: 13px;
    opacity: 0.85;
    display: flex;
    gap: 20px;
}

.uc-user-stats {
    display: flex;
    gap: 32px;
}

.uc-user-stat {
    text-align: center;
}

.uc-user-stat-num {
    font-size: 22px;
    font-weight: 700;
}

.uc-user-stat-label {
    font-size: 12px;
    opacity: 0.85;
}

/* UC Tabs */
.uc-tabs {
    display: flex;
    gap: 4px;
    padding: 8px;
    background: var(--bg);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.uc-tab {
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-light);
    transition: .2s;
}

.uc-tab:hover {
    color: var(--text);
}

.uc-tab.active {
    background: var(--bg-card);
    color: var(--primary);
    font-weight: 500;
    box-shadow: var(--shadow);
}

.uc-thread-actions {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}

.uc-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius);
    color: var(--text-lighter);
    transition: .2s;
    font-size: 13px;
}

.uc-action-btn:hover {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
}

.uc-comment-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-lighter);
    margin-bottom: 6px;
}

.uc-comment-meta i {
    margin-right: 4px;
}

.uc-mod-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    cursor: pointer;
    transition: .2s;
    background: var(--primary);
    color: #fff;
}

.uc-mod-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.uc-mod-btn.delete {
    background: var(--danger);
}

.section-more {
    font-size: 13px;
    color: var(--text-lighter);
    font-weight: 400;
}

.detail-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #fff;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all .2s;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.detail-link-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
    color: #fff;
}

.detail-link-btn i {
    font-size: 13px;
}

.detail-link-name {
    font-weight: 600;
}

.detail-link-go {
    font-size: 12px;
    opacity: 0.8;
    font-family: 'Courier New', monospace;
    background: rgba(255,255,255,0.15);
    padding: 2px 8px;
    border-radius: 3px;
}

.detail-related {
    margin-top: 24px;
}

.detail-related-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-related-title i {
    color: var(--primary);
}

.detail-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    padding: 16px 20px;
}

.detail-related-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    transition: .2s;
    background: var(--bg-body);
}

.detail-related-item:hover {
    background: rgba(59, 130, 246, 0.06);
    transform: translateY(-1px);
}

.detail-related-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.detail-related-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-related-info {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
}

.detail-related-icon i {
    color: var(--text-lighter);
    font-size: 14px;
}

.detail-related-name {
    font-size: 13px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

/* =========================================================
   75dir 同款浅色主题组件覆盖
   ========================================================= */
[data-theme="light"] .site-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .site-card:hover {
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.12);
    background: #fafbff;
}

[data-theme="light"] .site-logo {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.06));
}

[data-theme="light"] .hot-searches a {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .hot-searches a:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.18);
}

[data-theme="light"] .site-tag,
[data-theme="light"] .friend-links-list a {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .friend-links-list a:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--indigo);
}

[data-theme="light"] .engine-dropdown {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .section-subcat-tabs {
    background: rgba(255, 255, 255, 0.72);
}

[data-theme="light"] .four-col-item:hover {
    background: var(--bg-card);
}

/* =========================================================
   搜索结果页：任务式搜索 + 排行榜
   ========================================================= */

/* 任务示例胶囊 */
.nd-task-egs {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.nd-task-egs .nd-teg-label { font-size: 12.5px; color: var(--text-lighter); }

.nd-teg {
    padding: 5px 13px;
    border-radius: 999px;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    font-size: 12.5px;
    transition: 0.2s;
}

.nd-teg:hover {
    color: var(--indigo);
    border-color: var(--indigo);
    background: rgba(99, 102, 241, 0.1);
}

.nd-teg-center { margin-top: 18px; }

/* 榜单头 */
.nd-board-h {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px 0;
    flex-wrap: wrap;
}

.nd-board-h i { color: var(--warning); font-size: 17px; }

.nd-board-title { font-size: 17px; font-weight: 800; color: var(--text); }

.nd-board-match {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-light);
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 3px 10px;
    border-radius: 999px;
}

.nd-board-match b { color: var(--indigo); font-weight: 600; }

/* 维度切换 tabs */
.nd-dtabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 18px 0;
}

.nd-dtab {
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: 12.5px;
    cursor: pointer;
    transition: 0.2s;
    user-select: none;
}

.nd-dtab:hover { color: var(--indigo); border-color: var(--indigo); }

.nd-dtab.active {
    background: var(--grad);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

/* 排行榜列表 */
.nd-board { padding: 4px 0 0; }

.nd-bitem {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.nd-bitem:last-child { border-bottom: 0; }

.nd-bitem:hover { background: var(--bg-card2); }

.nd-bnum {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--bg-input);
    color: var(--text-light);
    font-size: 14px;
    font-weight: 800;
    font-style: italic;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nd-btop1 .nd-bnum {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

.nd-btop2 .nd-bnum {
    background: linear-gradient(135deg, #94a3b8, #cbd5e1);
    color: #fff;
}

.nd-btop3 .nd-bnum {
    background: linear-gradient(135deg, #b45309, #d97706);
    color: #fff;
}

.nd-bthumb {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--indigo);
    flex-shrink: 0;
    overflow: hidden;
}

.nd-bthumb img { width: 100%; height: 100%; object-fit: cover; }

.nd-bbody { flex: 1; min-width: 0; }

.nd-brow {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.nd-btitle {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nd-bitem:hover .nd-btitle { color: var(--indigo); }

.nd-bfree {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--success);
    background: rgba(52, 211, 153, 0.12);
    border: 1px solid rgba(52, 211, 153, 0.25);
    padding: 1px 8px;
    border-radius: 999px;
    font-weight: 600;
}

.nd-btags {
    margin-top: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.nd-btag { font-size: 12px; color: var(--indigo); }

.nd-btag:hover { text-decoration: underline; }

.nd-bbrief {
    margin-top: 5px;
    font-size: 12.5px;
    color: var(--text-light);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-all;
}

.nd-bmeta {
    margin-top: 7px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-lighter);
}

.nd-bmeta i { font-size: 11px; }

.nd-bgo {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(99, 102, 241, 0.4);
    background: rgba(99, 102, 241, 0.08);
    color: var(--indigo);
    font-size: 12.5px;
    font-weight: 600;
    transition: 0.2s;
}

.nd-bgo:hover {
    background: var(--grad);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
}

.nd-bempty {
    padding: 28px 18px;
    text-align: center;
    color: var(--text-lighter);
    font-size: 13px;
}

[data-theme="light"] .nd-teg { background: rgba(0, 0, 0, 0.03); }

[data-theme="light"] .nd-bgo { background: rgba(99, 102, 241, 0.06); }

@media (max-width: 768px) {
    .nd-bitem { padding: 13px 14px; gap: 10px; }
    .nd-bnum { width: 26px; height: 26px; font-size: 13px; border-radius: 8px; }
    .nd-bthumb { width: 44px; height: 44px; border-radius: 10px; }
    .nd-bgo { padding: 6px 12px; font-size: 12px; }
    .nd-board-title { font-size: 15px; }
    .nd-board-h { padding: 14px 14px 0; }
    .nd-dtabs { padding: 10px 14px 0; gap: 6px; }
    .nd-dtab { padding: 5px 10px; font-size: 12px; }
    .nd-task-egs { padding: 0 16px; }
}

@media (max-width: 520px) {
    .nd-bgo { display: none; }
    .nd-bbrief { display: none; }
}