@charset "UTF-8";
/* ==========================================================================
   aucms 默认主题样式
   纯手写、无框架、无 CDN；浅色现代风格，移动端可用。
   ========================================================================== */

:root {
    --nv-primary: #2f6feb;
    --nv-primary-dark: #1f52b8;
    --nv-primary-soft: #e8f0ff;
    --nv-text: #1f2937;
    --nv-text-soft: #6b7280;
    --nv-text-mute: #9ca3af;
    --nv-bg: #f7f9fc;
    --nv-surface: #ffffff;
    --nv-border: #e5e9f0;
    --nv-border-strong: #d3dae6;
    --nv-success: #16a34a;
    --nv-danger: #dc2626;
    --nv-warning: #d97706;
    --nv-radius: 12px;
    --nv-radius-sm: 8px;
    --nv-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
    --nv-shadow-hover: 0 6px 16px rgba(16, 24, 40, .10), 0 18px 40px rgba(16, 24, 40, .10);
    --nv-max: 1180px;
    --nv-font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --nv-mono: ui-monospace, Menlo, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: var(--nv-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--nv-text);
    background: var(--nv-bg);
}

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

a { color: var(--nv-primary); text-decoration: none; }
a:hover { color: var(--nv-primary-dark); }

h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 .5em; font-weight: 700; }

.container { width: 100%; max-width: var(--nv-max); margin: 0 auto; padding: 0 20px; }

/* ---------- 通用按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    font-size: 14px;
    line-height: 1.2;
    border-radius: var(--nv-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .18s ease;
    white-space: nowrap;
}
.btn-primary { background: var(--nv-primary); color: #fff; }
.btn-primary:hover { background: var(--nv-primary-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--nv-text); border-color: var(--nv-border-strong); }
.btn-ghost:hover { border-color: var(--nv-primary); color: var(--nv-primary); }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--nv-border);
}
.site-header__inner { display: flex; align-items: center; gap: 14px; height: 64px; }

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand__logo { width: 32px; height: 32px; border-radius: 8px; object-fit: cover; }
.brand__name { font-size: 19px; font-weight: 800; color: var(--nv-text); letter-spacing: .3px; white-space: nowrap; }

/* nav 允许收缩（min-width:0），否则项多时会把右侧搜索/按钮挤出容器 */
.nav { margin-left: 4px; min-width: 0; }
.nav__list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__item { position: relative; flex-shrink: 0; }
/* white-space:nowrap 是防"导航文字被压成两行"的关键：
   之前缺失它，14 项时每个中文项都被压成「首/页」「资源/下载」 */
.nav__link {
    display: block;
    padding: 8px 11px;
    border-radius: 8px;
    color: var(--nv-text);
    font-size: 15px;
    white-space: nowrap;
}
.nav__link:hover { background: var(--nv-primary-soft); color: var(--nv-primary); }
.nav__link--more { display: inline-flex; align-items: center; gap: 4px; }
.nav__caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; opacity: .6; }
/* 搜索入口只在移动端出现（桌面端由右上角搜索框承担） */
.nav__item--search { display: none; }

.subnav {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 168px;
    list-style: none;
    margin: 6px 0 0;
    padding: 6px;
    background: var(--nv-surface);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-sm);
    box-shadow: var(--nv-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: all .16s ease;
}
.nav__item.has-children:hover .subnav { opacity: 1; visibility: visible; transform: translateY(0); }
.subnav a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--nv-text); font-size: 14px; }
.subnav a:hover { background: var(--nv-primary-soft); color: var(--nv-primary); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.search-form { display: flex; align-items: center; background: var(--nv-bg); border: 1px solid var(--nv-border); border-radius: 999px; padding: 2px 4px 2px 14px; }
.search-input { border: 0; background: transparent; outline: none; font-size: 14px; width: 130px; color: var(--nv-text); font-family: inherit; }
.search-input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search-btn { border: 0; background: var(--nv-primary); color: #fff; width: 30px; height: 30px; border-radius: 50%; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.search-btn svg { width: 15px; height: 15px; }
.search-btn:hover { background: var(--nv-primary-dark); }

.nav-toggle { display: none; margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--nv-border-strong); background: #fff; border-radius: 8px; cursor: pointer; padding: 10px; flex-direction: column; justify-content: space-between; }
.nav-toggle span { display: block; height: 2px; background: var(--nv-text); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
    background: radial-gradient(1200px 400px at 50% -120px, #dbe8ff 0%, rgba(219, 232, 255, 0) 70%), linear-gradient(180deg, #ffffff, #f7f9fc);
    border-bottom: 1px solid var(--nv-border);
}
.hero__inner { padding: 72px 20px 64px; text-align: center; }
.hero__badge { display: inline-block; margin: 0 0 16px; padding: 5px 14px; font-size: 13px; color: var(--nv-primary); background: var(--nv-primary-soft); border-radius: 999px; }
.hero__title { font-size: 42px; margin: 0 0 14px; letter-spacing: -.5px; }
.hero__desc { max-width: 640px; margin: 0 auto 26px; color: var(--nv-text-soft); font-size: 17px; }
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- 面包屑 ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; color: var(--nv-text-mute); padding: 18px 0 0; }
.breadcrumb a { color: var(--nv-text-soft); }
.breadcrumb a:hover { color: var(--nv-primary); }

/* ---------- 页面头 ---------- */
.page-head { background: linear-gradient(180deg, #ffffff, #f2f6fd); border-bottom: 1px solid var(--nv-border); }
.page-head .container { padding-top: 12px; padding-bottom: 30px; }
.page-title { font-size: 28px; margin: 10px 0 6px; }
.page-desc { color: var(--nv-text-soft); margin: 0; max-width: 720px; }

/* 栏目配了横幅图时（后台「栏目编辑 → 栏目配图」）：
   图铺满页头，上面压一层深色遮罩 —— 不然浅色照片上白字会看不清。
   文字统一转白；面包屑的灰蓝色在深底上太淡，单独提亮。
   遮罩用 ::before 而不是给容器加背景色，是为了让 $node.description 等
   子元素还能正常定位（z-index 只提一层）。 */
.page-head--hero {
  position: relative;
  background-size: cover;
  background-position: center;
  border-bottom: 0;
  color: #fff;
}
.page-head--hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, .55), rgba(15, 23, 42, .72));
}
.page-head--hero .container { position: relative; }
.page-head--hero .page-title { color: #fff; }
.page-head--hero .page-desc { color: rgba(255, 255, 255, .86); }
.page-head--hero .breadcrumb,
.page-head--hero .breadcrumb a { color: rgba(255, 255, 255, .8); }
.page-head--hero .breadcrumb a:hover { color: #fff; }

/* 栏目缩略图：标题前的小方图 */
.page-icon {
  width: 44px; height: 44px; border-radius: 10px;
  object-fit: cover; display: block; margin: 10px 0 0;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .12);
}

/* ---------- 区块 ---------- */
.section { padding: 48px 0; }
.section--alt { background: #fff; border-top: 1px solid var(--nv-border); border-bottom: 1px solid var(--nv-border); }
.section__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.section__title { font-size: 22px; margin: 0; position: relative; padding-left: 12px; }
.section__title::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px; border-radius: 3px; background: var(--nv-primary); }
.section__more { font-size: 14px; color: var(--nv-text-soft); }

/* ---------- 卡片列表 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
    display: flex;
    flex-direction: column;
    background: var(--nv-surface);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius);
    overflow: hidden;
    box-shadow: var(--nv-shadow);
    transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--nv-shadow-hover); }
.card__thumb { display: block; aspect-ratio: 16 / 10; background: linear-gradient(135deg, #e8f0ff, #f4f7ff); overflow: hidden; }
.card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.card__thumb-ph { display: flex; align-items: center; justify-content: center; height: 100%; font-weight: 800; font-size: 22px; letter-spacing: 2px; color: #b6c8ea; }
.card__body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 17px; margin: 0 0 8px; }
.card__title a { color: var(--nv-text); }
.card__title a:hover { color: var(--nv-primary); }
.card__subtitle { color: var(--nv-text-mute); font-size: 13px; margin: -4px 0 8px; }
.card__desc { color: var(--nv-text-soft); font-size: 14px; margin: 0 0 14px; flex: 1; }
.card__meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--nv-text-mute); border-top: 1px dashed var(--nv-border); padding-top: 10px; }

/* ---------- 模型入口 ---------- */
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.model-card { background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); padding: 22px; box-shadow: var(--nv-shadow); }
.model-card__title { font-size: 18px; margin: 0 0 8px; }
.model-card__desc { color: var(--nv-text-soft); font-size: 14px; margin: 0 0 14px; }
.model-card__links { display: flex; flex-wrap: wrap; gap: 8px; }
.model-card__links a { font-size: 13px; padding: 4px 12px; border-radius: 999px; background: var(--nv-primary-soft); color: var(--nv-primary); }
.model-card__links a:hover { background: var(--nv-primary); color: #fff; }

/* ---------- 搜索结果 ---------- */
.result-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.result-item { background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); padding: 18px 20px; box-shadow: var(--nv-shadow); }
.result-item__title { font-size: 17px; margin: 0 0 6px; }
.result-item__title a { color: var(--nv-text); }
.result-item__title a:hover { color: var(--nv-primary); }
.result-item__desc { color: var(--nv-text-soft); font-size: 14px; margin: 0 0 10px; }
.result-item__meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--nv-text-mute); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--nv-primary-soft); color: var(--nv-primary); font-size: 12px; }
.search-summary { color: var(--nv-text-soft); font-size: 14px; margin: 14px 0 0; }
.search-form--page { margin-top: 18px; max-width: 460px; padding: 5px 5px 5px 16px; }
.search-form--page .search-input { width: 100%; flex: 1; }

/* ---------- 文章详情 ---------- */
.article__inner { max-width: 820px; }
.article__header { padding: 26px 0 18px; border-bottom: 1px solid var(--nv-border); }
.article__title { font-size: 30px; margin: 0 0 10px; }
.article__subtitle { color: var(--nv-text-soft); font-size: 16px; margin: 0 0 14px; }
.article__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--nv-text-mute); }
.article__cover { margin: 24px 0; border-radius: var(--nv-radius); overflow: hidden; border: 1px solid var(--nv-border); }
.article__content { font-size: 16.5px; padding: 26px 0 8px; }
.article__content h2, .article__content h3 { margin-top: 1.6em; }
.article__content p { margin: 0 0 1.1em; }
.article__content img { border-radius: var(--nv-radius-sm); }
.article__content pre { background: #0f172a; color: #e2e8f0; padding: 16px 18px; border-radius: var(--nv-radius-sm); overflow: auto; font-family: var(--nv-mono); font-size: 13.5px; }
.article__content code { font-family: var(--nv-mono); font-size: .92em; background: #eef2f7; padding: 2px 6px; border-radius: 5px; }
.article__content pre code { background: transparent; padding: 0; color: inherit; }
.article__content table { width: 100%; border-collapse: collapse; margin: 1.2em 0; }
.article__content th, .article__content td { border: 1px solid var(--nv-border-strong); padding: 9px 12px; text-align: left; }
.article__content th { background: var(--nv-bg); }
.article__content blockquote { margin: 1.2em 0; padding: 6px 18px; border-left: 4px solid var(--nv-primary); background: var(--nv-primary-soft); border-radius: 0 8px 8px 0; color: var(--nv-text-soft); }

.article__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; }
.tag { font-size: 13px; padding: 4px 12px; border-radius: 999px; background: var(--nv-bg); border: 1px solid var(--nv-border); color: var(--nv-text-soft); }
.tag:hover { border-color: var(--nv-primary); color: var(--nv-primary); }

.article__extra { margin: 28px 0 0; padding: 20px 22px; background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); }
.article__extra h3 { font-size: 15px; margin: 0 0 12px; color: var(--nv-text-soft); font-weight: 600; }
.article__extra dl { display: grid; grid-template-columns: 100px 1fr; gap: 8px 16px; margin: 0; font-size: 14px; }
.article__extra dt { color: var(--nv-text-mute); }
.article__extra dd { margin: 0; }

/* ---------- 上一篇 / 下一篇 ---------- */
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 36px 0 0; }
.prevnext__item { background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); padding: 16px 18px; box-shadow: var(--nv-shadow); min-height: 76px; }
.prevnext__item a { display: block; color: var(--nv-text); }
.prevnext__item:last-child { text-align: right; }
.prevnext__label { display: block; font-size: 12.5px; color: var(--nv-text-mute); margin-bottom: 4px; }
.prevnext__title { font-size: 15px; font-weight: 600; }
.prevnext__item a:hover .prevnext__title { color: var(--nv-primary); }
.prevnext__none { color: var(--nv-text-mute); font-size: 14px; }

/* ---------- 相关推荐 ---------- */
.related { margin: 36px 0 0; }
.related__title { font-size: 18px; margin: 0 0 14px; }
.related__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.related__list a { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius-sm); color: var(--nv-text); font-size: 14px; }
.related__list a:hover { border-color: var(--nv-primary); }
.related__v { color: var(--nv-text-mute); font-size: 12.5px; white-space: nowrap; }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 38px 0 8px; }
.pager-pages { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pager-btn, .pager-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    font-size: 14px;
    border-radius: var(--nv-radius-sm);
    border: 1px solid var(--nv-border-strong);
    background: #fff;
    color: var(--nv-text);
}
.pager-btn:hover, .pager-num:hover { border-color: var(--nv-primary); color: var(--nv-primary); }
.pager-num.is-active { background: var(--nv-primary); border-color: var(--nv-primary); color: #fff; cursor: default; }
.pager-info { width: 100%; text-align: center; color: var(--nv-text-mute); font-size: 13px; margin-top: 6px; }

/* simple 分页（只有上一页/下一页 + 「第 N 页」）：
   .pager-info 默认 width:100% 是为了让「第 X / Y 页」在完整分页里独占一行居中，
   但在 simple 分页里它会把「下一页」挤到下一行、造成顺序颠倒的错位。
   这里恢复为行内宽度，让按钮与页码同处一行。 */
.pager--simple .pager-info { width: auto; margin-top: 0; }

/* ---------- 空状态 ---------- */
.empty, .empty-state { text-align: center; color: var(--nv-text-soft); padding: 60px 20px; background: var(--nv-surface); border: 1px dashed var(--nv-border-strong); border-radius: var(--nv-radius); }
.empty-state__title { font-size: 18px; margin: 0 0 8px; color: var(--nv-text); }

/* ---------- 登录 / 注册 ---------- */
.auth-page { padding: 64px 0; }
.auth-card { max-width: 420px; background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); padding: 34px 34px 28px; box-shadow: var(--nv-shadow); }
.auth-title { font-size: 24px; margin: 0 0 6px; }
.auth-desc { color: var(--nv-text-soft); font-size: 14px; margin: 0 0 24px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13.5px; color: var(--nv-text-soft); }
.form-input { width: 100%; padding: 10px 14px; font-size: 15px; font-family: inherit; color: var(--nv-text); background: #fff; border: 1px solid var(--nv-border-strong); border-radius: var(--nv-radius-sm); outline: none; transition: border-color .16s ease, box-shadow .16s ease; }
.form-input:focus { border-color: var(--nv-primary); box-shadow: 0 0 0 3px rgba(47, 111, 235, .15); }
.form-tips { font-size: 12.5px; color: var(--nv-text-mute); }
.auth-alt { text-align: center; font-size: 14px; color: var(--nv-text-soft); margin: 20px 0 0; }

/* ---------- 错误页 ---------- */
.error-page { padding: 90px 0; text-align: center; }
.error-code { font-size: 88px; font-weight: 800; line-height: 1; color: var(--nv-primary); letter-spacing: 4px; }
.error-title { font-size: 24px; margin: 16px 0 8px; }
.error-desc { color: var(--nv-text-soft); margin: 0 0 26px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0f172a; color: #c3ccda; margin-top: 60px; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; padding: 46px 20px 30px; }
.footer__name { color: #fff; font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.footer__desc { color: #93a1b5; font-size: 14px; margin: 0; max-width: 380px; }
.footer__col h4 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer__links a { color: #a9b6c9; font-size: 14px; }
.footer__links a:hover { color: #fff; }
.footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 20px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13px; color: #8b98ac; }
.footer__icp { color: #8b98ac; }
.footer__icp:hover { color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .card-grid, .model-grid { grid-template-columns: repeat(2, 1fr); }
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .hero__title { font-size: 34px; }
}

@media (max-width: 760px) {
    .nav-toggle { display: flex; }
    .nav {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        margin: 0;
        background: #fff;
        border-bottom: 1px solid var(--nv-border);
        box-shadow: var(--nv-shadow);
        display: none;
        padding: 10px 16px 16px;
    }
    .nav.is-open { display: block; }
    .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
    .nav__item--search { display: block; }
    .subnav { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; margin: 0; padding: 0 0 0 14px; background: transparent; }
    .header-actions { margin-left: auto; }
    .search-form { display: none; }
    .header-actions .search-form { display: none; }
    .card-grid, .model-grid { grid-template-columns: 1fr; }
    .hero__inner { padding: 52px 20px 44px; }
    .hero__title { font-size: 28px; }
    .article__title { font-size: 23px; }
    .prevnext { grid-template-columns: 1fr; }
    .prevnext__item:last-child { text-align: left; }
    .related__list { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr; gap: 24px; }
    .article__extra dl { grid-template-columns: 1fr; gap: 2px 0; }
    .article__extra dt { margin-top: 8px; }
}

/* --------------------------------------------------------------------------
   分页组件的省略号
   页码是窗口化的（当前页 ± 3 + 首尾页），中间不连续处用 .pager-gap 表示。
   早期版本曾遍历全部页码，100 万行数据下会输出 8.7 MB 的空白 HTML，
   因此这里特意保留窗口化实现，不做"显示全部页码"的改动。
   -------------------------------------------------------------------------- */
.pager-gap {
  display: inline-block;
  min-width: 32px;
  text-align: center;
  color: var(--color-text-muted, #9ca3af);
  user-select: none;
}

/* ==========================================================================
   门户式前台布局（首页 / 栏目页 / 详情页）
   左主栏 + 右侧栏；用紧凑列表替代等宽卡片网格，消除"最后一行留空"。
   ========================================================================== */

/* ---------- 紧凑 Hero（标题条；搜索框只在顶部导航保留一处，避免重复） ---------- */
.home-hero {
    background: linear-gradient(180deg, #ffffff, #f2f6fd);
    border-bottom: 1px solid var(--nv-border);
}
.home-hero__inner { padding: 20px 20px 18px; }
.home-hero__title { font-size: 24px; margin: 0 0 5px; letter-spacing: -.3px; }
.home-hero__desc { margin: 0; color: var(--nv-text-soft); font-size: 14.5px; max-width: 720px; }

/* ---------- 两栏骨架 ---------- */
.home-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 318px;
    gap: 30px;
    align-items: start;
    padding-top: 28px;
    padding-bottom: 20px;
}
.home-main { min-width: 0; }
.home-side { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 84px; }

/* ---------- 头条 ---------- */
.lead {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 0;
    background: var(--nv-surface);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius);
    overflow: hidden;
    box-shadow: var(--nv-shadow);
    margin-bottom: 26px;
}
.lead__thumb { display: block; min-height: 220px; background: linear-gradient(135deg, #e8f0ff, #f4f7ff); overflow: hidden; }
.lead__thumb img { width: 100%; height: 100%; object-fit: cover; }
.lead__thumb-ph { display: flex; align-items: center; justify-content: center; height: 100%; min-height: 220px; font-weight: 800; font-size: 26px; letter-spacing: 3px; color: #b6c8ea; }
.lead__body { padding: 22px 24px; display: flex; flex-direction: column; }
.lead__badge {
    align-self: flex-start;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--nv-primary);
    color: #fff;
    margin-bottom: 12px;
}
.lead__title { font-size: 22px; margin: 0 0 8px; line-height: 1.4; }
.lead__title a { color: var(--nv-text); }
.lead__title a:hover { color: var(--nv-primary); }
.lead__subtitle { color: var(--nv-text-soft); font-size: 14px; margin: 0 0 8px; }
.lead__desc { color: var(--nv-text-soft); font-size: 14.5px; margin: 0 0 14px; flex: 1; }
.lead__meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--nv-text-mute); border-top: 1px dashed var(--nv-border); padding-top: 12px; }
.lead__tag { color: var(--nv-primary); }

/* ---------- 信息流列表 ---------- */
.feed { margin-bottom: 8px; }
.feed__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.feed-item {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 16px;
    background: var(--nv-surface);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius);
    padding: 14px;
    box-shadow: var(--nv-shadow);
    transition: transform .16s ease, box-shadow .16s ease;
}
.feed-item:hover { transform: translateY(-2px); box-shadow: var(--nv-shadow-hover); }
.feed-item__thumb { display: block; border-radius: var(--nv-radius-sm); overflow: hidden; background: linear-gradient(135deg, #e8f0ff, #f4f7ff); aspect-ratio: 16 / 10; }
.feed-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.feed-item__thumb-ph { display: flex; align-items: center; justify-content: center; height: 100%; font-weight: 800; font-size: 20px; color: #b6c8ea; }
.feed-item__body { display: flex; flex-direction: column; min-width: 0; }
.feed-item__title { font-size: 17px; margin: 0 0 6px; line-height: 1.45; }
.feed-item__title a { color: var(--nv-text); }
.feed-item__title a:hover { color: var(--nv-primary); }
.feed-item__sub { color: var(--nv-text-mute); font-size: 12.5px; margin: 0 0 6px; }
.feed-item__desc { color: var(--nv-text-soft); font-size: 14px; margin: 0 0 10px; flex: 1; }
.feed-item__meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--nv-text-mute); }
.feed-item__tag { color: var(--nv-primary); background: var(--nv-primary-soft); padding: 1px 8px; border-radius: 999px; }

/* ---------- 内容频道 ---------- */
.channels { margin-top: 30px; }
.channel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.channel { background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); padding: 18px 20px; box-shadow: var(--nv-shadow); }
.channel__title { font-size: 17px; margin: 0 0 6px; }
.channel__desc { color: var(--nv-text-soft); font-size: 13.5px; margin: 0 0 12px; }
.channel__links { display: flex; flex-wrap: wrap; gap: 8px; }
.channel__link { font-size: 13px; padding: 4px 12px; border-radius: 999px; background: var(--nv-primary-soft); color: var(--nv-primary); }
.channel__link:hover { background: var(--nv-primary); color: #fff; }

/* ---------- 侧栏卡片 ---------- */
.side-card { background: var(--nv-surface); border: 1px solid var(--nv-border); border-radius: var(--nv-radius); padding: 16px 18px; box-shadow: var(--nv-shadow); }
.side-card__title { font-size: 15px; margin: 0 0 12px; padding-left: 10px; position: relative; }
.side-card__title::before { content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 3px; border-radius: 2px; background: var(--nv-primary); }

/* 热门：CSS counter 自动编号（不在模板里做算术） */
.hot-list { list-style: none; margin: 0; padding: 0; counter-reset: hot; display: flex; flex-direction: column; gap: 10px; }
.hot-item { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; align-items: baseline; gap: 8px; }
.hot-item__no::before {
    counter-increment: hot;
    content: counter(hot, decimal-leading-zero);
    font-size: 12px;
    font-weight: 700;
    color: var(--nv-text-mute);
}
.hot-item:nth-child(-n+3) .hot-item__no::before { color: var(--nv-primary); }
.hot-item__title { color: var(--nv-text); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hot-item__title:hover { color: var(--nv-primary); }
.hot-item__views { font-size: 12px; color: var(--nv-text-mute); white-space: nowrap; }

/* 侧栏栏目导航 */
.side-nav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.side-nav a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--nv-text-soft); font-size: 14px; }
.side-nav a:hover { background: var(--nv-primary-soft); color: var(--nv-primary); }

/* 侧栏标签云 */
.side-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.side-tag { font-size: 13px; padding: 4px 11px; border-radius: 999px; background: var(--nv-bg); border: 1px solid var(--nv-border); color: var(--nv-text-soft); }
.side-tag:hover { border-color: var(--nv-primary); color: var(--nv-primary); }

/* 侧栏相关推荐 */
.side-related { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.side-related a { display: flex; justify-content: space-between; gap: 10px; padding: 8px 6px; border-radius: 6px; color: var(--nv-text-soft); font-size: 14px; }
.side-related a:hover { background: var(--nv-primary-soft); color: var(--nv-primary); }
.side-related__t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-related__v { color: var(--nv-text-mute); font-size: 12px; white-space: nowrap; }

/* ---------- 详情页两栏：正文区不再限制 820px ---------- */
.home-layout--article .article__inner { max-width: none; }
.home-layout--article .article__header { padding-top: 4px; }

/* ---------- 门户布局响应式 ---------- */
@media (max-width: 1100px) {
    .home-layout { grid-template-columns: minmax(0, 1fr) 288px; gap: 22px; }
    .search-input { width: 110px; }
}

@media (max-width: 980px) {
    .home-layout { grid-template-columns: minmax(0, 1fr); }
    .home-side { position: static; }
    .lead { grid-template-columns: 1fr; }
    .lead__thumb, .lead__thumb-ph { min-height: 200px; }
    .channel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .home-hero__inner { padding: 18px 20px 16px; }
    .home-hero__title { font-size: 21px; }
    /* 移动端信息流保持"小图 + 文字"，比大图在上更省纵向空间 */
    .feed-item { grid-template-columns: 104px minmax(0, 1fr); gap: 12px; padding: 11px; }
    .feed-item__thumb { aspect-ratio: 1 / 1; }
    .feed-item__title { font-size: 15.5px; }
    .feed-item__sub { display: none; }
    .feed-item__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .lead__body { padding: 18px; }
    .lead__title { font-size: 19px; }
}


/* ===== 使用条款与免责声明（/terms）===== */
.terms-page{max-width:820px;margin:26px auto 50px;padding:0 18px;line-height:1.85;color:#374151}
.terms-title{font-size:24px;margin:0 0 4px;color:#1f2937}
.terms-updated{font-size:13px;color:#9ca3af;margin:0 0 22px}
.terms-page h2{font-size:17px;margin:26px 0 8px;color:#1f2937;padding-left:10px;border-left:3px solid #2f6feb}
.terms-page p{margin:0 0 10px;font-size:14.5px}
.terms-page strong{color:#111827}
.terms-back{margin-top:30px;padding-top:16px;border-top:1px solid #e5e7eb;font-size:14px}