/* Twzip 统一主题：暖橙、石墨黑与米白，保留游戏杂志版式。 */
:root {
    --bg-base: #fbf6ee;
    --bg-card: #ffffff;
    --bg-card-hover: #f5e6d6;
    --bg-surface: #f8ede0;
    --primary: #9e421b;
    --primary-light: #b75a2c;
    --primary-dark: #302a26;
    --accent: #7a4e20;
    --accent-light: #e9b77b;
    --rose: var(--accent);
    --emerald: var(--primary);
    --cyan: var(--primary-light);
    --text-primary: #332b25;
    --text-secondary: #62584f;
    --text-muted: #6c5d50;
    --on-primary: #ffffff;
    --on-primary-muted: #ffecda;
    --on-primary-soft: #ffe1b7;
    --border: #ded1c1;
    --border-hover: #a48c74;
    --shadow-sm: 0 3px 0 rgba(48,42,38,.06);
    --shadow-md: 0 8px 24px rgba(48,42,38,.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 22px;
    --transition: 180ms ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    max-width: 1120px; margin: 0 auto; padding: 0 24px;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    color: var(--text-primary); background: var(--bg-base); line-height: 1.65;
    min-height: 100vh;
}
body::before { content: none; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 4vw, 3.4rem); }
p { margin: 0 0 1em; }
button, input { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
/* 导航、邮箱、政策链接全部采用明确的按钮或整卡可点击形态。 */
a, .twzip-button, button {
    color: var(--primary-dark); text-decoration: none;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-card); padding: 10px 16px;
    display: inline-flex; align-items: center; justify-content: center;
    gap: 10px; font-weight: 600; line-height: 1.4;
    transition: background var(--transition), border-color var(--transition);
}
a:hover, button:hover { background: var(--bg-surface); border-color: var(--border-hover); }
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 3px solid var(--primary); outline-offset: 4px;
}
.twzip-button-primary { color: var(--on-primary); background: var(--primary); border-color: var(--primary); }
.twzip-button-primary:hover { color: var(--on-primary); background: var(--primary-dark); }
[hidden] { display: none !important; }
.twzip-kicker { display: block; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.twzip-icon { width: 24px; height: 24px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
/* 宫格导航展开时占据正常文档空间，不悬浮到广告上方。 */
#nidfer-header { min-height: 108px; }
.twzip-header { margin-top: 20px; border-top: 5px solid var(--primary); }
.nidfer-navbar { display: flex; align-items: center; gap: 16px; justify-content: space-between; padding: 18px 0; position: static; }
.nidfer-nav-logo { gap: 12px; padding: 7px 12px; border-color: transparent; background: transparent; }
.nidfer-nav-logo img { width: 42px; height: 42px; border-radius: 11px; }
.twzip-wordmark { display: flex; flex-direction: column; align-items: flex-start; }
.nidfer-nav-title { color: var(--primary-dark); font-size: 1.65rem; font-weight: 900; letter-spacing: -.06em; }
.twzip-wordmark small { color: var(--text-muted); font-size: .62rem; letter-spacing: .13em; text-transform: uppercase; }
.twzip-nav-actions { display: flex; gap: 8px; }
.twzip-nav-actions [aria-current='page'] { background: var(--bg-surface); border-color: var(--primary); }
#nidfer-menu-icon[aria-expanded='true'] { background: var(--primary); color: var(--on-primary); }
.twzip-category-menu { position: static; border: 1px solid var(--border); border-top: 4px solid var(--primary); border-radius: 16px; padding: 22px; background: var(--bg-card); box-shadow: var(--shadow-md); margin-bottom: 20px; }
.twzip-menu-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.twzip-menu-heading h2 { margin: 0 0 6px; color: var(--primary-dark); font-size: 1.25rem; }
.twzip-menu-heading p { margin: 0; font-size: .85rem; color: var(--text-secondary); }
#twzip-menu-close { flex-shrink: 0; font-size: .8rem; }
.twzip-menu-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.twzip-menu-grid a { min-width: 0; justify-content: flex-start; padding: 16px 12px; font-size: .95rem; background: var(--bg-base); }
.twzip-menu-category-icon { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 12px; color: var(--primary); background: var(--bg-card); }
.twzip-menu-category-text { min-width: 0; }
.twzip-menu-category-name { display: block; overflow-wrap: anywhere; }
.twzip-menu-category-text small { display: block; margin-top: 4px; font-size: .7rem; line-height: 1.4; font-weight: 400; color: var(--text-secondary); }
.twzip-menu-grid a:hover { background: var(--bg-surface); }
.twzip-menu-grid a[aria-current='page'] { background: var(--primary); color: var(--on-primary); }
.twzip-menu-grid a[aria-current='page'] small { color: var(--on-primary-muted); }
/* 广告容器及其行内样式保持原样：本样式表不包含任何针对 div-gpt-ad-* 的规则，
   页面也不使用 sticky / fixed / 负 margin 的覆盖层，广告位上下留白由广告代码自带的 margin 提供。 */
#nidfer-game-body { margin-top: 20px; }
.nidfer-recomed-div, .nidfer-detail-recomed-div { margin: 32px 0; padding: 0; counter-increment: collection; }
.nidfer-common-recommend-title, .section-title {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 16px 0; margin: 0 0 14px; border-bottom: 2px solid var(--border);
}
.section-title h2, .section-title p { font-size: 1.4rem; margin: 0; font-weight: 800; }
.badge-card { display: flex; align-items: center; gap: 12px; }
.badge-icon { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; color: var(--primary); background: var(--bg-surface); border: 1px solid var(--border); }
.badge-content { display: flex; flex-direction: column; gap: 4px; }
.badge-title { color: var(--text-primary); font-size: 1.35rem; font-weight: 800; margin: 0; }
.badge-subtitle { color: var(--text-muted); font-size: .8rem; }
.badge-more-btn { flex-shrink: 0; font-size: .8rem; padding: 10px 14px; }
.nidfer-common-recommend-content, .nidfer-common-recommend-content-2, .nidfer-recommend-content {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
}
.nidfer-game-item { min-width: 0; }
.nidfer-game-item a { display: flex; flex-direction: column; width: 100%; height: 100%; padding: 10px; gap: 10px; border-radius: var(--radius-md); align-items: stretch; justify-content: flex-start; }
.nidfer-game-cover, .nidfer-game-cover-recommend { min-width: 0; }
.nidfer-game-cover img, .nidfer-game-cover-recommend img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 7px; }
.nidfer-game-info { min-width: 0; padding: 0; }
.nidfer-game-info p, .nidfer-game-info h3 { margin: 0; font-weight: 700; font-size: .94rem; color: var(--text-primary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nidfer-game-info p + p { font-size: .8rem; font-weight: 400; color: var(--text-secondary); margin-top: 7px; }
.twzip-card-action { font-size: .65rem; color: var(--primary); letter-spacing: .08em; text-transform: uppercase; margin-top: 8px; display: block; }
/* 详情页采用封面和正文并排的编辑式布局。 */
.game-detail-wrapper { margin: 28px 0; }
.game-detail-hero-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-card); }
.game-detail-image-container { padding: 22px; display: flex; align-items: center; }
.game-detail-image-container img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-md); }
.image-shine-effect { display: none; }
.game-detail-content-container { padding: 32px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 20px; }
.detail-badge { color: var(--primary); background: var(--bg-surface); border: 1px solid var(--border); border-radius: 5px; padding: 5px 10px; font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; display: inline-block; margin-bottom: 14px; }
.game-detail-main-title { font-size: clamp(1.8rem, 3vw, 2.8rem); margin: 0; }
.game-detail-main-desc { color: var(--text-secondary); margin: 0; }
.game-detail-cta-btn { background: var(--primary); color: var(--on-primary); border-color: var(--primary); padding: 14px 24px; }
.game-detail-cta-btn:hover { background: var(--primary-dark); color: var(--on-primary); }
.game-detail-cta-section { display: flex; flex-wrap: wrap; gap: 10px; }
.twzip-game-note { font-size: .78rem; color: var(--text-muted); margin: 0; }
.nidfer-game-detail-title { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; background: var(--bg-card); padding: 24px; border: 1px solid var(--border); border-radius: 16px; }
.nidfer-game-detail-img img { width: 100%; border-radius: 12px; }
.nidfer-game-gameplay-button { display: flex; align-items: center; gap: 12px; background: var(--primary); padding: 14px 20px; border-radius: 8px; color: var(--on-primary); }
/* 播放页控制区在 iframe 外，不遮挡游戏及游戏内广告。 */
.nidfer-game-iframe { display: flex; flex-direction: column; min-height: 70vh; }
.twzip-player-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.twzip-player-toolbar .twzip-actions { margin-top: 0; }
#game-iframe-container { min-height: 60vh; }
#game-iframe-container iframe { display: block; border: 0; }
.twzip-player-title { margin: 0 0 20px; font-size: 1.35rem; }
.twzip-game-status { padding: 20px; background: var(--bg-surface); border: 1px solid var(--border); border-radius: 12px; }
.twzip-game-status a { margin: 12px 10px 0 0; }
/* 关于、联系、政策使用不同内容结构，共享排版和颜色。 */
.twzip-page { margin: 30px 0 50px; }
.twzip-page-intro { padding: 36px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-card); border-top: 5px solid var(--primary); }
.twzip-page-intro h1 { margin: 14px 0 18px; }
.twzip-page-intro p { color: var(--text-secondary); max-width: 68ch; }
.twzip-about-intro { display: grid; grid-template-columns: 1.6fr 1fr; gap: 28px; align-items: center; }
.twzip-about-art { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; color: var(--primary); padding: 20px; transform: rotate(-3deg); }
.twzip-about-art span { background: var(--bg-surface); border: 1px solid var(--border); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; border-radius: 16px; }
.twzip-about-art .twzip-icon { width: 52px; height: 52px; }
.twzip-info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 22px 0; }
.twzip-info-card { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-card); }
.twzip-info-card h2 { margin: 14px 0; font-size: 1.25rem; }
.twzip-info-card p { color: var(--text-secondary); font-size: .95rem; }
.twzip-contact-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 24px; margin-top: 24px; }
.twzip-contact-card { padding: 30px; background: var(--primary-dark); color: var(--on-primary); border-radius: 16px; }
.twzip-contact-card .twzip-kicker { color: var(--on-primary-soft); }
.twzip-contact-card h2 { margin: 18px 0; }
.twzip-contact-card p { color: var(--on-primary-muted); }
.twzip-contact-card a { width: 100%; overflow-wrap: anywhere; font-size: .92rem; }
.twzip-contact-card a + p { margin-top: 18px; font-size: .85rem; }
.twzip-contact-card dl { margin: 24px 0; }
.twzip-contact-card dt { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--on-primary-soft); }
.twzip-contact-card dd { margin: 5px 0 18px; }
.twzip-contact-topics { display: grid; gap: 16px; }
.twzip-contact-topics h2 { font-size: 1.15rem; margin-top: 0; }
.twzip-policy-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 22px; border-top: 1px solid var(--border); padding-top: 22px; }
.twzip-policy-summary strong { display: block; color: var(--primary-dark); }
.twzip-policy-summary p { font-size: .87rem; margin: 5px 0 0; }
.twzip-policy-body { background: var(--bg-card); padding: 36px; margin-top: 24px; border: 1px solid var(--border); border-radius: 16px; }
.twzip-policy-body section { border-bottom: 1px solid var(--border); padding: 22px 0; }
.twzip-policy-body section:first-child { padding-top: 0; }
.twzip-policy-body section:last-child { border-bottom: 0; padding-bottom: 0; }
.twzip-policy-body h2 { font-size: 1.3rem; color: var(--primary-dark); margin: 0 0 18px; }
.twzip-policy-body p, .twzip-policy-body li { max-width: 78ch; color: var(--text-secondary); }
.twzip-policy-body a { margin: 6px 6px 6px 0; font-size: .84rem; overflow-wrap: anywhere; }
.twzip-policy-body ul { padding-left: 22px; }
.twzip-policy-body li { margin-bottom: 10px; }
.twzip-note { background: var(--bg-surface); border-left: 4px solid var(--primary); padding: 18px 22px; border-radius: 0 8px 8px 0; }
.twzip-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.nidfer-news-detail { background: var(--bg-card); margin: 30px 0; padding: 32px; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.nidfer-news-detail h1 { margin-top: 0; }
.nidfer-news-detail h2, .nidfer-news-detail h4 { color: var(--primary-dark); font-size: 1.25rem; margin-top: 30px; }
.nidfer-news-detail p, .nidfer-news-detail li { color: var(--text-secondary); }
.nidfer-news-detail a { font-size: .9rem; }
footer { margin-top: 50px; padding: 30px 0; border-top: 3px solid var(--primary); }
.twzip-footer-top { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.twzip-footer-brand strong { font-size: 1.7rem; letter-spacing: -.06em; color: var(--primary-dark); }
.twzip-footer-brand p { color: var(--text-muted); font-size: .85rem; max-width: 38ch; margin: 6px 0 0; }
.nidfer-footer-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.nidfer-footer-links a { font-size: .78rem; padding: 10px 12px; }
.twzip-footer-contact { font-size: .82rem; color: var(--text-secondary); margin: 22px 0 12px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.twzip-footer-contact a { font-size: .78rem; }
.nidfer-copyright { color: var(--text-muted); font-size: .72rem; margin-top: 18px; }
.error-page { text-align: center; margin: 50px auto; padding: 44px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px; }
.error-page p { max-width: 60ch; margin: 0 auto 1em; color: var(--text-secondary); }
.error-page .twzip-actions { justify-content: center; }
.twzip-error-art { color: var(--primary); font-weight: 900; font-size: clamp(5rem, 18vw, 9rem); line-height: 1; letter-spacing: -.08em; }
/* 不使用浮动返回按钮，避免潜在广告遮挡。 */
#flow { display: none !important; }
@media (max-width: 850px) {
    .twzip-info-grid { grid-template-columns: 1fr; }
    .game-detail-hero-section { grid-template-columns: .9fr 1.1fr; }
    .game-detail-content-container { padding: 24px; }
    .nidfer-common-recommend-content, .nidfer-common-recommend-content-2, .nidfer-recommend-content { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .twzip-about-intro { grid-template-columns: 1fr; }
    .twzip-about-art { max-width: 320px; margin: auto; }
    .twzip-contact-layout { grid-template-columns: 1fr; }
    .twzip-footer-top { flex-direction: column; }
    .nidfer-footer-links { justify-content: flex-start; }
}
@media (max-width: 600px) {
    body { padding: 0 12px; }
    #nidfer-header { min-height: 98px; }
    .nidfer-navbar { gap: 8px; padding: 12px 0; flex-wrap: wrap; }
    .nidfer-nav-logo { padding: 4px; gap: 7px; }
    .nidfer-nav-title { font-size: 1.35rem; }
    .nidfer-nav-logo img { width: 34px; height: 34px; }
    .twzip-wordmark small { font-size: .53rem; }
    .twzip-nav-actions { gap: 6px; }
    .twzip-nav-actions a, .twzip-nav-actions button { padding: 10px; font-size: .75rem; }
    .twzip-nav-actions .twzip-icon { width: 18px; height: 18px; }
    .twzip-category-menu { padding: 14px 10px; }
    .twzip-menu-heading { align-items: flex-start; gap: 8px; }
    .twzip-menu-heading h2 { font-size: 1.05rem; }
    .twzip-menu-heading p { font-size: .75rem; }
    #twzip-menu-close { padding: 8px 10px; }
    .twzip-menu-grid { gap: 6px; }
    .twzip-menu-grid a { flex-direction: column; text-align: center; gap: 8px; padding: 12px 4px; font-size: .72rem; }
    .twzip-menu-category-icon { width: 36px; height: 36px; border-radius: 10px; }
    .twzip-menu-category-text small { display: none; }
    .nidfer-recomed-div, .nidfer-detail-recomed-div { margin: 26px 0; }
    .badge-title { font-size: 1.1rem; }
    .badge-icon { width: 36px; height: 36px; flex-shrink: 0; }
    .badge-card { gap: 8px; }
    .badge-subtitle { font-size: .7rem; }
    .badge-more-btn { padding: 9px 10px; font-size: .73rem; }
    .nidfer-common-recommend-content, .nidfer-common-recommend-content-2, .nidfer-recommend-content { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .game-detail-hero-section { grid-template-columns: 1fr; }
    .game-detail-image-container { padding: 18px; max-width: 360px; margin: auto; }
    .game-detail-content-container { padding: 4px 22px 24px; }
    .game-detail-cta-section, .game-detail-cta-btn { width: 100%; }
    .nidfer-game-detail-title { grid-template-columns: 1fr; padding: 18px; }
    .twzip-page-intro, .twzip-policy-body, .nidfer-news-detail { padding: 24px 20px; }
    .twzip-policy-summary { grid-template-columns: 1fr; gap: 12px; }
    .twzip-contact-card { padding: 24px 20px; }
    .twzip-player-toolbar { flex-wrap: wrap; }
    .twzip-player-toolbar button { padding: 10px 12px; font-size: .82rem; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}