/* ==========================================================================
   VideoNest 影巢 — 前端样式
   设计参考 xchina.co 的版式风格，类名与代码均为重新编写，仅作布局参考。
   ========================================================================== */

:root {
    --gold: #dba531;
    --gold-deep: #c4901f;
    --sky: #3498db;
    --sky-deep: #2c7fc0;

    --page-bg: #eef0f3;
    --surface: #ffffff;
    --surface-2: #f7f8fa;
    --ink: #1f2937;
    --ink-soft: #4b5563;
    --ink-mute: #9ca3af;
    --line: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.16);
    --shadow-strong: rgba(0, 0, 0, 0.28);
    --hero-bg: #1b2330;

    --topbar-bg: var(--gold);
    --topbar-ink: #fff8ea;
    --topbar-hover: #fff;

    --shell-w: 1320px;
    --radius: 6px;
}

[data-theme="dark"] {
    --page-bg: #0f141d;
    --surface: #1b2330;
    --surface-2: #232d3c;
    --ink: #d8dce3;
    --ink-soft: #9aa3b1;
    --ink-mute: #6b7686;
    --line: #2c3848;
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-strong: rgba(0, 0, 0, 0.7);
    --hero-bg: #0a0e15;
    --topbar-ink: #fdf3df;
}

* { box-sizing: border-box; transition: background-color .25s ease, color .25s ease, border-color .25s ease; }

html, body { margin: 0; padding: 0; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    background-color: var(--page-bg);
    background-image:
        radial-gradient(circle at 18% 0%, rgba(219, 165, 49, 0.06), transparent 40%),
        radial-gradient(circle at 82% 0%, rgba(52, 152, 219, 0.06), transparent 40%);
    color: var(--ink);
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--sky); }
img { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }

.shell { width: var(--shell-w); max-width: 100%; margin: 0 auto; padding: 0 12px; }

/* ---------- 顶部导航 (PC) ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 900;
    height: 58px;
    background: var(--topbar-bg);
    border-bottom: 1px solid rgba(0, 0, 0, .06);
    user-select: none;
}
.topbar-inner {
    height: 58px;
    width: var(--shell-w);
    max-width: 100%;
    margin: 0 auto;
    padding: 0 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-img { height: 48px; width: auto; max-width: 280px; display: block; }
.brand-logo {
    width: 34px; height: 34px;
    border-radius: 8px;
    display: grid; place-items: center;
    background: rgba(255, 255, 255, .92);
    color: var(--gold);
    font-size: 17px;
}
.brand-name { color: var(--topbar-ink); font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.brand-name small { display: block; font-size: 9px; font-weight: 500; opacity: .8; letter-spacing: 2px; }

.nav-menu {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    gap: 2px;
    font-size: 14.5px;
}
.nav-item {
    position: relative;
    color: var(--topbar-ink);
    padding: 0 16px;
    height: 58px;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: color .2s ease, background .2s ease;
}
.nav-item:hover { color: var(--topbar-hover); background: rgba(255, 255, 255, .14); }
.nav-item i { font-size: 13px; }
.nav-item .caret { font-size: 10px; opacity: .8; }

.nav-drop {
    position: absolute;
    top: 56px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 150px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 12px 30px var(--shadow-strong);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transition: all .2s ease;
}
.nav-item:hover .nav-drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-drop a {
    display: flex; align-items: center; gap: 8px;
    color: var(--ink);
    padding: 9px 12px;
    border-radius: 5px;
    font-size: 13.5px;
    white-space: nowrap;
}
.nav-drop a:hover { background: var(--gold); color: #fff; }

.theme-pill {
    flex: 0 0 auto;
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 8px;
    background: rgba(255, 255, 255, .16);
    color: var(--topbar-ink);
    font-size: 15px; cursor: pointer;
}
.theme-pill:hover { background: #fff; color: var(--gold-deep); }

.burger {
    flex: 0 0 auto;
    display: none;
    align-items: center; justify-content: center;
    width: 36px; height: 36px;
    font-size: 20px; color: var(--topbar-ink); cursor: pointer;
}

/* ---------- 横幅 ---------- */
.banner {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: var(--hero-bg);
    display: flex;
    align-items: center;
}
.banner-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: .42;
    filter: saturate(1.1);
}
.banner-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.55)); }
.banner-text { position: relative; z-index: 2; color: #fff; width: var(--shell-w); max-width: 100%; margin: 0 auto; padding: 0 16px; text-shadow: 0 2px 10px rgba(0,0,0,.6); }
.banner-text h1 { margin: 0 0 12px; font-size: 2.6rem; font-weight: 900; letter-spacing: 4px; }
.banner-text p { margin: 6px 0; font-size: 1.05rem; opacity: .92; }
.banner-text a { color: var(--gold); font-weight: 700; }

/* ---------- 面包屑 ---------- */
.crumb {
    height: 58px;
    line-height: 58px;
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 3px 8px rgba(0, 0, 0, .12);
    margin-bottom: 20px;
    font-size: .95rem;
    overflow: hidden;
}
.crumb .shell { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.crumb .pin { padding-right: 8px; color: var(--gold); }
.crumb i { margin: 0 8px; color: var(--ink-mute); font-size: .8em; }
.crumb a:hover { color: var(--sky); font-weight: 600; }

/* ---------- 主体两栏布局 ---------- */
.layout { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px; }
.col-side { flex: 0 0 240px; min-width: 0; }
.col-main { flex: 1 1 auto; min-width: 0; }

/* ---------- 内容面板 ---------- */
.panel {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 18px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .06);
}
.panel-hd { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.panel-title { flex: 1 1 auto; min-width: 0; font-size: 1.2rem; font-weight: 800; display: flex; align-items: center; gap: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.panel-title::before { content: ""; width: 5px; height: 18px; border-radius: 3px; background: var(--gold); display: inline-block; }
.panel-more { flex: 0 0 auto; font-size: .85rem; color: var(--ink-mute); }
.panel-more:hover { color: var(--sky); }

/* ---------- 快捷标签 ---------- */
.quick-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.quick-tag {
    font-size: 12.5px;
    padding: 5px 12px;
    border-radius: 20px;
    background: var(--surface-2);
    color: var(--ink-soft);
    border: 1px solid var(--line);
}
.quick-tag:hover { background: var(--gold); color: #fff; border-color: var(--gold); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 4px 4px 12px var(--shadow);
    transition: transform .28s ease, box-shadow .28s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 26px var(--shadow-strong); }

.card-thumb {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-size: cover;
    background-position: center;
    background-color: #d7dbe1;
    overflow: hidden;
}
.card-thumb::after {
    content: "\f04b";
    font-family: "Font Awesome 6 Free"; font-weight: 900;
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(.7);
    width: 54px; height: 54px;
    display: grid; place-items: center;
    color: #fff; font-size: 18px;
    background: rgba(0, 0, 0, .35);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: 50%;
    opacity: 0;
    transition: all .3s ease;
}
.card:hover .card-thumb::after { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.card-dur {
    position: absolute;
    right: 8px; bottom: 8px;
    background: rgba(0, 0, 0, .75);
    color: #fff;
    font-size: 12px;
    padding: 2px 7px;
    border-radius: 4px;
    z-index: 2;
}
.card-flag {
    position: absolute;
    left: 8px; top: 8px;
    background: var(--gold);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(0,0,0,.3);
}

.card-body { padding: 9px 10px 11px; display: flex; flex-direction: column; gap: 8px; }
.card-title {
    font-size: .92rem;
    font-weight: 700;
    line-height: 1.45;
    color: var(--ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}
.card-title:hover { color: var(--sky); }
.card-up { font-size: 12.5px; color: var(--gold-deep); font-weight: 600; display: flex; align-items: center; gap: 5px; }
.card-up i { color: var(--ink-mute); }
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--ink-mute);
}
.card-meta .cat { color: var(--ink-soft); }
.card-meta .stat { display: flex; gap: 12px; }
.card-meta i { margin-right: 3px; }

/* ---------- 侧栏分类 ---------- */
.cat-box { background: var(--surface); border-radius: var(--radius); padding: 12px; box-shadow: 0 1px 4px rgba(0,0,0,.06); margin-bottom: 18px; }
.cat-box h3 { margin: 0 0 10px; font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.cat-box h3::before { content: ""; width: 4px; height: 16px; border-radius: 3px; background: var(--gold); }
.cat-group { font-size: 12px; color: var(--ink-mute); margin: 12px 0 6px; padding-left: 2px; font-weight: 700; letter-spacing: 1px; }
.cat-link { display: flex; justify-content: space-between; align-items: center; padding: 7px 10px; border-radius: 5px; font-size: 13.5px; color: var(--ink-soft); }
.cat-link:hover { background: var(--surface-2); color: var(--sky); }
.cat-link.active { background: var(--gold); color: #fff; }
.cat-link .num { font-size: 12px; color: var(--ink-mute); }
.cat-link.active .num { color: rgba(255,255,255,.85); }

/* 侧栏搜索 */
.side-search { display: flex; width: 100%; margin-bottom: 14px; }
.side-search input { flex: 1 1 auto; min-width: 0; width: 100%; height: 38px; box-sizing: border-box; border: 1px solid var(--line); border-right: 0; border-radius: 6px 0 0 6px; padding: 0 12px; background: var(--surface-2); color: var(--ink); outline: none; }
.side-search button { flex: 0 0 auto; width: 46px; border: 0; border-radius: 0 6px 6px 0; background: var(--gold); color: #fff; cursor: pointer; font-size: 15px; }
.side-search button:hover { background: var(--gold-deep); }

/* ---------- 工具条 / 排序 ---------- */
.toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.toolbar .chip {
    font-size: 13.5px; padding: 7px 16px; border-radius: 20px;
    background: var(--surface); color: var(--ink-soft);
    border: 1px solid var(--line); cursor: pointer;
}
.toolbar .chip:hover { color: var(--sky); }
.toolbar .chip.active { background: var(--gold); color: #fff; border-color: var(--gold); }
.toolbar .spacer { flex: 1 1 auto; }
.toolbar .count { font-size: 13px; color: var(--ink-mute); }

/* ---------- 分页 ---------- */
.pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px; margin: 26px 0 8px; }
.pager a, .pager span {
    min-width: 38px; height: 38px;
    display: grid; place-items: center;
    padding: 0 12px;
    border-radius: 6px;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 14px;
    cursor: pointer;
}
.pager a:hover { border-color: var(--gold); color: var(--gold-deep); }
.pager .current { background: var(--gold); border-color: var(--gold); color: #fff; }
.pager .gap { border: 0; background: transparent; }

/* ---------- 播放页 ---------- */
.player {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
}
.player-cover { position: absolute; inset: 0; background-size: cover; background-position: center; }
.player-cover::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.35); }
.player-play {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 110px; height: 110px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, .3);
    display: grid; place-items: center;
    cursor: pointer;
    z-index: 2;
    transition: transform .3s ease, background .3s ease;
}
.player-play i { font-size: 44px; color: #fff; margin-left: 6px; }
.player-play:hover { transform: translate(-50%, -50%) scale(1.06); background: rgba(255, 255, 255, .22); }

.play-title { font-size: 1.5rem; font-weight: 800; margin: 16px 0 12px; line-height: 1.4; }
.play-stats { display: flex; flex-wrap: wrap; gap: 18px; color: var(--ink-mute); font-size: 13.5px; margin-bottom: 14px; }
.play-stats i { margin-right: 5px; color: var(--gold); }

.play-actions { display: flex; flex-wrap: wrap; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.act-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 20px; border-radius: 24px;
    background: var(--surface-2); border: 1px solid var(--line);
    font-size: 14px; color: var(--ink-soft); cursor: pointer;
}
.act-btn:hover { border-color: var(--gold); color: var(--gold-deep); }
.act-btn.primary { background: var(--gold); border-color: var(--gold); color: #fff; }
.act-btn.primary:hover { background: var(--gold-deep); color: #fff; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 4px; }
.up-card { display: flex; align-items: center; gap: 12px; padding: 14px 0; }
.up-avatar { width: 52px; height: 52px; border-radius: 50%; background-size: cover; background-position: center; background-color: var(--surface-2); flex: 0 0 auto; }
.up-info { flex: 1 1 auto; min-width: 0; }
.up-info b { font-size: 15px; }
.up-info span { display: block; font-size: 12.5px; color: var(--ink-mute); }
.up-follow { flex: 0 0 auto; background: var(--gold); color: #fff; border: 0; padding: 8px 18px; border-radius: 22px; cursor: pointer; font-size: 13.5px; }
.up-follow:hover { background: var(--gold-deep); }

.desc { font-size: 14px; color: var(--ink-soft); line-height: 1.8; }

/* ---------- 搜索页 ---------- */
.search-hero { text-align: center; padding: 8px 0 4px; }
.search-bar { display: flex; max-width: 680px; margin: 0 auto; box-shadow: 0 4px 16px var(--shadow); border-radius: 30px; overflow: hidden; }
.search-bar input { flex: 1 1 auto; height: 52px; border: 0; padding: 0 24px; font-size: 16px; background: var(--surface); color: var(--ink); outline: none; }
.search-bar button { flex: 0 0 auto; width: 70px; border: 0; background: var(--gold); color: #fff; font-size: 19px; cursor: pointer; }
.search-bar button:hover { background: var(--gold-deep); }
.hot-words { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-top: 16px; }
.hot-words span { color: var(--ink-mute); font-size: 13px; }
.hot-words a { font-size: 13px; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line); padding: 5px 13px; border-radius: 18px; }
.hot-words a:hover { background: var(--gold); color: #fff; border-color: var(--gold); }

.empty-tip { text-align: center; color: var(--ink-mute); padding: 60px 0; }
.empty-tip i { font-size: 3rem; display: block; margin-bottom: 14px; opacity: .6; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--surface); border-top: 3px solid var(--gold); margin-top: 10px; padding: 26px 0; color: var(--ink-mute); font-size: 13px; }
.site-footer .shell { display: flex; flex-direction: column; gap: 12px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-links a:hover { color: var(--sky); }
.foot-copy { color: var(--ink-mute); }

/* ---------- 回到顶部 ---------- */
.fab { position: fixed; right: 22px; bottom: 26px; display: flex; flex-direction: column; gap: 8px; z-index: 800; }
.fab a { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: var(--gold); color: #fff; box-shadow: 0 4px 12px var(--shadow-strong); font-size: 16px; }
.fab a:hover { background: var(--gold-deep); color: #fff; }

/* ---------- 移动端抽屉 ---------- */
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 950; opacity: 0; visibility: hidden; transition: opacity .25s ease; }
.drawer-mask.open { opacity: 1; visibility: visible; }
.drawer { position: fixed; top: 0; right: 0; width: 270px; max-width: 80vw; height: 100%; background: var(--surface); z-index: 960; transform: translateX(100%); transition: transform .28s ease; padding: 18px 0; overflow-y: auto; }
.drawer.open { transform: translateX(0); }
.drawer a { display: flex; align-items: center; gap: 12px; padding: 14px 22px; color: var(--ink); font-size: 15px; }
.drawer a:hover { background: var(--surface-2); color: var(--gold-deep); }
.drawer a i { width: 20px; text-align: center; color: var(--ink-mute); }
.drawer-close { text-align: right; padding: 0 22px 10px; font-size: 22px; color: var(--ink-mute); cursor: pointer; }

/* ---------- 苹果CMS 分页条样式适配 ---------- */
.maccms-page {
    display: flex; justify-content: center; align-items: center;
    flex-wrap: wrap; gap: 8px; margin: 30px 0 10px;
}
.maccms-page a, .maccms-page .page_link {
    min-width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0 14px;
    border-radius: 8px;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 14px;
    text-decoration: none;
    transition: all .18s ease;
}
.maccms-page a:hover, .maccms-page .page_link:hover {
    border-color: var(--gold); color: var(--gold-deep); background: var(--surface);
}
.maccms-page .current,
.maccms-page a.current,
.maccms-page .page_link.current {
    background: var(--gold); border-color: var(--gold); color: #fff; cursor: default;
}
.maccms-page .page_tip {
    margin-left: 6px;
    color: var(--ink-mute); font-size: 13px;
    background: none; border: none; height: auto; min-width: auto; padding: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1366px) {
    :root { --shell-w: 100%; }
    .grid-5 { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .topbar-inner { justify-content: space-between; }
    .theme-pill { order: 1; }
    .brand { order: 2; margin: 0 auto; }
    .burger { order: 3; display: flex; }
    .layout { flex-direction: column; }
    .col-side { flex: 1 1 auto; width: 100%; }
    #side-cats { display: none; }
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    .banner { height: 280px; }
    .banner-text h1 { font-size: 1.8rem; }
    .grid-4, .grid-3, .grid-5 { grid-template-columns: repeat(2, 1fr); }
    .grid { gap: 10px; }
    .play-title { font-size: 1.2rem; }
    .brand-name { font-size: 17px; }
}