/* ========================================
   xy-018 体育企业模板 - 熔岩赤焰（暖近黑底 + 赤红 + 烬橙 + 鎏金 火焰渐变主题）
   仿 jpapacreative.com 架构（去除全覆盖广告，3栏目）
   版式：Hero+数据条 → 关于+4平台优势 → 3层保障体系 → 3核心栏目
        → 焦点特写(1大+列表) → 热门推荐 → 用户心声墙 → 版本更新时间线
        → App展示 → 成就数据带 → 排行/标签 → FAQ → CTA
   ======================================== */
:root {
    /* 熔岩赤焰主题：暖近黑底 + 赤红主强调 + 鎏金次强调 + 火焰渐变 */
    --bg: #120d0c;
    --bg-alt: #1a1211;
    --surface: #211716;
    --surface-2: #2c1f1d;
    --fuchsia: #ff2d3d;      /* 主强调=赤红 */
    --fuchsia-2: #e01526;
    --blue: #ffc247;         /* 次强调=鎏金 */
    --blue-soft: rgba(255,194,71,.14);
    --pink-soft: rgba(255,45,61,.13);
    --ember: #ff7a29;        /* 烬橙 */
    --grad: linear-gradient(135deg, #ff2d3d 0%, #ff7a29 100%);
    --text: #f7ece9;
    --text-light: #b6a3a0;
    --muted: #8a7573;
    --border: rgba(255,45,61,.16);
    --shadow: 0 12px 34px rgba(0,0,0,.5);
    --radius: 18px;
    --radius-sm: 10px;
    --transition: all .3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--text); line-height: 1.7; background: var(--bg); }
a { color: var(--text); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--fuchsia); }
img { max-width: 100%; height: auto; }
.xy18-container-sm { max-width: 900px; }
.position-relative { position: relative; }

/* ===== Buttons ===== */
.xy18-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--grad); color: #fff; padding: 13px 30px; border-radius: 30px; font-weight: 800; font-size: .95rem; border: none; cursor: pointer; box-shadow: 0 8px 24px rgba(255,45,61,.3); }
.xy18-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,122,41,.45); }
.xy18-btn-ghost { display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--text); padding: 13px 30px; border-radius: 30px; font-weight: 700; font-size: .95rem; border: 1.5px solid var(--border); }
.xy18-btn-ghost:hover { border-color: var(--blue); color: #fff; transform: translateY(-2px); }

/* ===== Topbar ===== */
.xy18-topbar { background: #060912; border-bottom: 1px solid var(--border); font-size: .8rem; color: var(--text-light); }
.xy18-topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; gap: 14px; }
.xy18-topbar-info i { color: var(--fuchsia); margin-right: 6px; }
.xy18-topbar-links { display: flex; gap: 18px; }
.xy18-topbar-links a { color: var(--text-light); }
.xy18-topbar-links a:hover { color: var(--fuchsia); }
.xy18-topbar-links i { margin-right: 5px; color: var(--blue); }

/* ===== Header ===== */
.xy18-header { background: rgba(10,13,24,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1000; }
.xy18-header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; }
.xy18-logo { display: inline-flex; align-items: center; gap: 11px; }
.xy18-logo-badge { width: 42px; height: 42px; border-radius: 13px; background: var(--grad); display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 18px rgba(255,45,61,.4); flex: 0 0 auto; }
.xy18-logo-badge i { color: #fff; font-size: 1.2rem; }
.xy18-logo-text { color: #fff; font-size: 1.24rem; font-weight: 800; white-space: nowrap; letter-spacing: .5px; }
.xy18-logo mip-img { height: 42px; width: auto; }
.xy18-nav { display: flex; align-items: center; gap: 4px; }
.xy18-nav .nav-link { color: var(--text-light); padding: 8px 15px; border-radius: var(--radius-sm); font-size: .93rem; font-weight: 600; }
.xy18-nav .nav-link:hover, .xy18-nav .nav-link.active { color: #fff; background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--border); }
.xy18-nav-cta { display: inline-flex; align-items: center; gap: 7px; margin-left: 10px; background: var(--grad); color: #fff; padding: 9px 20px; border-radius: 22px; font-weight: 700; font-size: .88rem; }
.xy18-nav-cta:hover { color: #fff; transform: translateY(-1px); }
.xy18-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ===== Hero ===== */
.xy18-hero { position: relative; overflow: hidden; padding: 90px 0 0; background: linear-gradient(180deg, #0d1224 0%, var(--bg) 100%); }
.xy18-hero-bg { position: absolute; inset: 0; opacity: .22; }
.xy18-hero-bg mip-img { width: 100%; height: 100%; object-fit: cover; }
.xy18-hero-mask { position: absolute; inset: 0; background: radial-gradient(circle at 78% 22%, rgba(255,45,61,.28), transparent 52%), radial-gradient(circle at 16% 78%, rgba(255,122,41,.26), transparent 52%); }
.xy18-hero-inner { position: relative; z-index: 2; text-align: center; max-width: 780px; margin: 0 auto; padding-bottom: 70px; }
.xy18-hero-badge { display: inline-block; background: var(--pink-soft); border: 1px solid var(--border); color: var(--fuchsia); padding: 7px 20px; border-radius: 22px; font-size: .82rem; margin-bottom: 22px; font-weight: 700; letter-spacing: .5px; }
.xy18-hero-badge i { margin-right: 6px; color: var(--blue); }
.xy18-hero-title { font-size: 3.1rem; font-weight: 800; line-height: 1.15; margin-bottom: 18px; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.xy18-hero-sub { font-size: 1.06rem; color: var(--text-light); margin: 0 auto 30px; max-width: 600px; }
.xy18-hero-search { display: flex; max-width: 520px; margin: 0 auto 26px; border-radius: 30px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); }
.xy18-hero-search input { flex: 1; border: none; outline: none; background: transparent; padding: 14px 22px; font-size: .95rem; color: var(--text); min-width: 0; }
.xy18-hero-search input::placeholder { color: var(--muted); }
.xy18-hero-search button { background: var(--grad); border: none; color: #fff; padding: 0 26px; cursor: pointer; font-size: .92rem; font-weight: 700; }
.xy18-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.xy18-hero-stats { position: relative; z-index: 3; margin-top: -34px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.xy18-hero-stat { background: var(--surface); padding: 22px 12px; text-align: center; }
.xy18-hero-stat b { display: block; font-size: 1.9rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.xy18-hero-stat span { font-size: .84rem; color: var(--text-light); }

/* ===== Sections ===== */
.xy18-sec { padding: 72px 0; }
.xy18-sec-alt { background: var(--bg-alt); }
.xy18-sec-head { text-align: center; max-width: 700px; margin: 0 auto 46px; }
.xy18-kicker { display: inline-block; color: var(--fuchsia); font-size: .78rem; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.xy18-sec-head h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.xy18-sec-head p { color: var(--text-light); }
.xy18-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; padding-bottom: 14px; border-bottom: 2px solid var(--border); }
.xy18-bar h2 { font-size: 1.5rem; font-weight: 800; color: #fff; }
.xy18-bar h2 i { color: var(--fuchsia); margin-right: 8px; }
.xy18-more { color: var(--blue); font-weight: 700; font-size: .9rem; }
.xy18-more:hover { color: var(--fuchsia); }
.xy18-meta { color: var(--muted); font-size: .8rem; }
.xy18-meta i { color: var(--fuchsia); margin-right: 4px; }

/* ===== Category zones ===== */
.xy18-catz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.xy18-cat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.xy18-cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--fuchsia); }
.xy18-cat-media { position: relative; overflow: hidden; aspect-ratio: 800/560; }
.xy18-cat-media mip-img { width: 100%; height: 100%; transition: transform .5s ease; }
.xy18-cat-card:hover .xy18-cat-media mip-img { transform: scale(1.06); }
.xy18-cat-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,9,18,.05) 30%, rgba(6,9,18,.7) 100%); }
.xy18-cat-icon { position: absolute; bottom: -26px; left: 22px; width: 54px; height: 54px; border-radius: 16px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; box-shadow: 0 6px 18px rgba(255,45,61,.4); z-index: 2; }
.xy18-cat-body { padding: 38px 22px 22px; position: relative; }
.xy18-cat-no { position: absolute; top: 34px; right: 22px; font-size: 2.2rem; font-weight: 800; color: rgba(255,255,255,.06); line-height: 1; }
.xy18-cat-body h3 { font-size: 1.22rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.xy18-cat-card:hover h3 { color: var(--fuchsia); }
.xy18-cat-body p { color: var(--text-light); font-size: .88rem; margin-bottom: 14px; }
.xy18-cat-more { color: var(--blue); font-weight: 700; font-size: .86rem; }

/* ===== About ===== */
.xy18-about { padding: 78px 0; background: linear-gradient(135deg, #0d1224 0%, var(--bg) 100%); }
.xy18-about-row { display: flex; align-items: center; gap: 50px; }
.xy18-about-text { flex: 1 1 54%; }
.xy18-about-text h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.xy18-lead { color: var(--text-light); margin-bottom: 24px; }
.xy18-check { list-style: none; margin-bottom: 28px; }
.xy18-check li { position: relative; padding-left: 32px; margin-bottom: 14px; color: var(--text); font-size: .95rem; }
.xy18-check li i { position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--pink-soft); color: var(--fuchsia); font-size: .66rem; display: flex; align-items: center; justify-content: center; }
.xy18-about-media { flex: 1 1 46%; position: relative; }
.xy18-about-media mip-img { border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); }
.xy18-about-counter { position: absolute; bottom: -22px; left: 20px; display: flex; gap: 26px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 16px 26px; box-shadow: var(--shadow); }
.xy18-about-counter b { display: block; font-size: 1.6rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.xy18-about-counter span { font-size: .8rem; color: var(--text-light); }

/* ===== Features (numbered) ===== */
.xy18-feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.xy18-feat-card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px; overflow: hidden; transition: var(--transition); }
.xy18-feat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue); }
.xy18-feat-no { position: absolute; top: 12px; right: 18px; font-size: 2.6rem; font-weight: 800; color: rgba(255,255,255,.05); line-height: 1; }
.xy18-feat-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--blue-soft); color: var(--blue); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 18px; border: 1px solid var(--border); }
.xy18-feat-card:hover .xy18-feat-icon { background: var(--grad); color: #fff; }
.xy18-feat-body h3 { font-size: 1.12rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.xy18-feat-body p { color: var(--text-light); font-size: .88rem; }

/* ===== Featured news (1 big + list) ===== */
.xy18-feature-wrap { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px; }
.xy18-feature-big { grid-row: 1 / span 4; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); }
.xy18-feature-big:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--fuchsia); }
.xy18-feature-big-media { position: relative; overflow: hidden; }
.xy18-feature-big-media mip-img { width: 100%; }
.xy18-feature-flag { position: absolute; top: 14px; left: 14px; background: var(--grad); color: #fff; font-size: .76rem; font-weight: 800; padding: 5px 14px; border-radius: 20px; }
.xy18-feature-big-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.xy18-feature-big-body h3 { font-size: 1.32rem; font-weight: 800; color: #fff; line-height: 1.4; margin-bottom: 10px; }
.xy18-feature-big:hover h3 { color: var(--fuchsia); }
.xy18-feature-big-body p { color: var(--text-light); font-size: .9rem; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.xy18-feature-row { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 18px; display: flex; align-items: center; gap: 14px; transition: var(--transition); }
.xy18-feature-row:hover { border-color: var(--blue); background: var(--surface-2); }
.xy18-feature-idx { flex: 0 0 40px; height: 40px; border-radius: 12px; background: var(--surface-2); color: var(--fuchsia); font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.xy18-feature-row-body h4 { font-size: .98rem; font-weight: 700; color: var(--text); line-height: 1.45; margin-bottom: 5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.xy18-feature-row:hover h4 { color: #fff; }

/* ===== Grid cards ===== */
.xy18-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.xy18-grid-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.xy18-grid-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--fuchsia); }
.xy18-grid-img { position: relative; display: block; overflow: hidden; aspect-ratio: 400/260; }
.xy18-grid-img mip-img { width: 100%; height: 100%; }
.xy18-grid-badge { position: absolute; top: 12px; left: 12px; background: var(--grad); color: #fff; font-size: .74rem; font-weight: 800; padding: 4px 12px; border-radius: 20px; }
.xy18-grid-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.xy18-grid-body h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.xy18-grid-body h3 a { color: #fff; }
.xy18-grid-body h3 a:hover { color: var(--fuchsia); }
.xy18-grid-body p { color: var(--text-light); font-size: .88rem; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.xy18-grid-meta { display: flex; gap: 16px; color: var(--muted); font-size: .8rem; border-top: 1px solid var(--border); padding-top: 12px; }
.xy18-grid-meta i { margin-right: 5px; color: var(--blue); }

/* ===== Programs band ===== */
.xy18-prog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.xy18-prog-card { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.xy18-prog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--fuchsia); }
.xy18-prog-media { position: relative; aspect-ratio: 800/560; overflow: hidden; }
.xy18-prog-media mip-img { width: 100%; height: 100%; transition: transform .5s ease; }
.xy18-prog-card:hover .xy18-prog-media mip-img { transform: scale(1.07); }
.xy18-prog-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,9,18,.1) 40%, rgba(6,9,18,.9) 100%); }
.xy18-prog-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; }
.xy18-prog-body h3 { color: #fff; font-size: 1.2rem; font-weight: 800; margin-bottom: 6px; }
.xy18-prog-body h3 i { color: var(--fuchsia); margin-right: 8px; }
.xy18-prog-body p { color: var(--text-light); font-size: .86rem; }

/* ===== Achievement band ===== */
.xy18-band { background: var(--grad); padding: 46px 0; }
.xy18-band-row { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 26px; }
.xy18-band-item { display: flex; align-items: center; gap: 14px; color: #fff; }
.xy18-band-item > i { font-size: 2rem; opacity: .9; }
.xy18-band-item b { display: block; font-size: 1.9rem; font-weight: 800; line-height: 1.1; }
.xy18-band-item span { font-size: .86rem; color: rgba(255,255,255,.85); }

/* ===== Two col ===== */
.xy18-two-col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.xy18-side-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.xy18-side-head { font-size: 1.2rem; font-weight: 800; color: #fff; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid var(--border); }
.xy18-side-head i { color: var(--fuchsia); margin-right: 8px; }
.xy18-rank { list-style: none; }
.xy18-rank li { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--border); }
.xy18-rank li:last-child { border-bottom: none; }
.xy18-rank-no { flex: 0 0 26px; height: 26px; border-radius: 8px; background: var(--surface-2); color: var(--text-light); font-size: .8rem; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.xy18-rank li:nth-child(1) .xy18-rank-no, .xy18-rank li:nth-child(2) .xy18-rank-no, .xy18-rank li:nth-child(3) .xy18-rank-no { background: var(--grad); color: #fff; }
.xy18-rank a { color: var(--text); font-size: .92rem; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.xy18-rank a:hover { color: var(--fuchsia); }
.xy18-tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.xy18-tag-cloud a { background: var(--surface-2); color: var(--text-light); padding: 7px 15px; border-radius: 20px; font-size: .84rem; border: 1px solid var(--border); }
.xy18-tag-cloud a:hover { background: var(--grad); color: #fff; border-color: transparent; }
.xy18-icon-accent { color: var(--fuchsia); }

/* ===== FAQ ===== */
.xy18-faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.xy18-faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; border-left: 3px solid var(--fuchsia); }
.xy18-faq-item b { display: block; color: #fff; font-size: 1rem; margin-bottom: 8px; }
.xy18-faq-item b i { color: var(--blue); margin-right: 8px; }
.xy18-faq-item p { color: var(--text-light); font-size: .9rem; }

/* ===== CTA ===== */
.xy18-cta { background: linear-gradient(135deg, #0d1224, var(--bg)); padding: 62px 0; border-top: 1px solid var(--border); }
.xy18-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.xy18-cta h2 { color: #fff; font-size: 1.9rem; font-weight: 800; margin-bottom: 8px; }
.xy18-cta p { color: var(--text-light); }

/* ===== Footer ===== */
.xy18-footer { background: #060912; color: var(--text-light); padding-top: 46px; border-top: 1px solid var(--border); }
.xy18-footer-brand-row { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 30px; margin-bottom: 44px; }
.xy18-footer-brand { display: flex; align-items: center; gap: 16px; flex: 1 1 340px; }
.xy18-footer-brand h3 { color: #fff; font-size: 1.24rem; font-weight: 800; margin-bottom: 4px; }
.xy18-footer-brand p { color: var(--text-light); font-size: .86rem; margin: 0; max-width: 420px; }
.xy18-footer-news { flex: 1 1 340px; }
.xy18-footer-news label { display: block; color: #fff; font-size: .9rem; font-weight: 700; margin-bottom: 10px; }
.xy18-footer-news label i { color: var(--fuchsia); margin-right: 6px; }
.xy18-footer-news-row { display: flex; border-radius: 26px; overflow: hidden; border: 1px solid var(--border); }
.xy18-footer-news-row input { flex: 1; border: none; outline: none; background: var(--surface-2); color: var(--text); padding: 12px 18px; font-size: .88rem; min-width: 0; }
.xy18-footer-news-row input::placeholder { color: var(--muted); }
.xy18-footer-news-row button { background: var(--grad); border: none; color: #fff; font-weight: 800; padding: 0 22px; cursor: pointer; font-size: .88rem; }
.xy18-footer-top { display: grid; grid-template-columns: 1fr 1fr 1.3fr 1.4fr; gap: 34px; padding-bottom: 38px; border-bottom: 1px solid var(--border); }
.xy18-footer-col h4 { color: #fff; font-size: 1.02rem; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.xy18-footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--grad); }
.xy18-footer-desc { font-size: .86rem; margin-bottom: 12px; }
.xy18-footer-col ul { list-style: none; }
.xy18-footer-col ul li { margin-bottom: 10px; }
.xy18-footer-col ul a { color: var(--text-light); font-size: .88rem; }
.xy18-footer-col ul a:hover { color: var(--fuchsia); }
.xy18-footer-col ul a i { margin-right: 8px; color: var(--blue); font-size: .72rem; }
.xy18-footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.xy18-footer-tags a { background: var(--surface); border: 1px solid var(--border); color: var(--text-light); padding: 5px 12px; border-radius: 16px; font-size: .8rem; }
.xy18-footer-tags a:hover { background: var(--grad); color: #fff; border-color: transparent; }
.xy18-footer-social { display: flex; gap: 12px; margin-top: 14px; }
.xy18-footer-social a { width: 38px; height: 38px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); color: var(--text-light); display: flex; align-items: center; justify-content: center; }
.xy18-footer-social a:hover { background: var(--grad); color: #fff; border-color: transparent; }
.xy18-footer-bottom { padding: 22px 0; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.xy18-footer-links { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.xy18-footer-links a { color: var(--muted); font-size: .84rem; }
.xy18-footer-links a:hover { color: var(--fuchsia); }
.xy18-footer-bottom span { font-size: .82rem; color: var(--muted); }

/* ===== Category page banner ===== */
.xy18-page-banner { position: relative; height: 300px; overflow: hidden; display: flex; align-items: center; }
.xy18-banner-bg { position: absolute; inset: 0; }
.xy18-banner-bg mip-img { width: 100%; height: 100%; object-fit: cover; }
.xy18-banner-mask { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,13,24,.94), rgba(28,36,56,.72)); }
.xy18-banner-kicker { position: relative; display: inline-block; color: var(--fuchsia); font-size: .78rem; font-weight: 800; letter-spacing: 2px; margin-bottom: 8px; }
.xy18-page-banner h1 { position: relative; color: #fff; font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; }
.xy18-banner-sub { position: relative; color: var(--text-light); font-size: 1rem; }
.xy18-crumb { padding: 18px 0; color: var(--text-light); font-size: .88rem; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.xy18-crumb > i.fa-map-marker-alt { color: var(--fuchsia); }
.xy18-crumb a { color: var(--text-light); }
.xy18-crumb a:hover { color: var(--fuchsia); }
.xy18-crumb span { color: #fff; font-weight: 600; }
.xy18-crumb i.fa-angle-right { font-size: .7rem; color: var(--muted); }
.xy18-page-banner + .container .xy18-grid-3 { margin-bottom: 40px; }

/* ===== Pagination ===== */
.xy18-pager { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; padding: 36px 0 10px; }
.xy18-pager a, .xy18-pager span { min-width: 40px; height: 40px; padding: 0 14px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); color: var(--text-light); display: inline-flex; align-items: center; justify-content: center; font-size: .9rem; font-weight: 600; }
.xy18-pager a:hover { border-color: var(--fuchsia); color: var(--fuchsia); }
.xy18-pager .current, .xy18-pager span.active { background: var(--grad); border-color: transparent; color: #fff; }

/* ===== Detail ===== */
.xy18-detail { max-width: 920px; margin: 0 auto; padding: 42px 16px 60px; }
.xy18-detail-title { font-size: 1.9rem; font-weight: 800; color: #fff; line-height: 1.4; margin-bottom: 18px; }
.xy18-detail-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--text-light); font-size: .85rem; padding-bottom: 20px; border-bottom: 1px solid var(--border); margin-bottom: 26px; }
.xy18-detail-meta i { color: var(--fuchsia); margin-right: 6px; }
.xy18-detail-meta a { color: var(--text-light); }
.xy18-detail-meta a:hover { color: var(--fuchsia); }
.xy18-detail-content { font-size: 1.02rem; color: #cdd5ee; line-height: 1.95; }
.xy18-detail-content p { margin-bottom: 18px; }
.xy18-detail-content img, .xy18-detail-content mip-img { border-radius: 12px; margin: 14px 0; }
.xy18-detail-content h2, .xy18-detail-content h3 { color: #fff; font-weight: 700; margin: 26px 0 14px; }
.xy18-detail-content a { color: var(--fuchsia); }
.xy18-img-count { text-align: center; color: var(--muted); font-size: .88rem; }
.xy18-detail-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; padding-top: 24px; border-top: 1px dashed var(--border); }
.xy18-detail-tags a { background: var(--surface-2); color: var(--fuchsia); padding: 6px 15px; border-radius: 20px; font-size: .84rem; border: 1px solid var(--border); }
.xy18-detail-tags a:hover { background: var(--grad); color: #fff; border-color: transparent; }
.xy18-related { margin-top: 46px; }
.xy18-related-title { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 22px; }
.xy18-related-title i { color: var(--fuchsia); margin-right: 8px; }

/* ===== Article list block ===== */
.xy18-list-item { display: flex; gap: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; padding: 14px; margin-bottom: 18px; transition: var(--transition); }
.xy18-list-item:hover { box-shadow: var(--shadow); border-color: var(--fuchsia); transform: translateX(4px); }
.xy18-item-media { flex: 0 0 200px; border-radius: var(--radius-sm); overflow: hidden; }
.xy18-item-content h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.xy18-item-content h3 a { color: #fff; }
.xy18-item-content h3 a:hover { color: var(--fuchsia); }
.xy18-item-content p { color: var(--text-light); font-size: .88rem; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.xy18-item-date { color: var(--muted); font-size: .8rem; }
.xy18-item-date i { color: var(--blue); margin-right: 5px; }
.xy18-sidebar-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 22px; }
.xy18-sidebar-box h3 { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.xy18-sidebar-box h3 i { margin-right: 8px; }

/* ===== Search / so ===== */
.xy18-so { max-width: 920px; margin: 0 auto; padding: 46px 16px 60px; }
.xy18-so-top { text-align: center; margin-bottom: 34px; }
.xy18-so-top h1 { font-size: 1.9rem; font-weight: 800; color: #fff; margin-bottom: 10px; }
.xy18-so-top h1 i { color: var(--fuchsia); }
.xy18-so-top p { color: var(--text-light); margin-bottom: 20px; }
.xy18-so-form { display: flex; max-width: 520px; margin: 0 auto; border-radius: 30px; overflow: hidden; border: 1px solid var(--border); }
.xy18-so-input { flex: 1; border: none; outline: none; background: var(--surface); padding: 13px 22px; font-size: .95rem; color: var(--text); }
.xy18-so-input::placeholder { color: var(--muted); }
.xy18-so-form .xy18-btn { border-radius: 0; padding: 13px 26px; }
.xy18-so-info { background: var(--pink-soft); border: 1px solid var(--border); color: var(--text); padding: 12px 20px; border-radius: var(--radius-sm); margin-bottom: 24px; font-size: .92rem; }
.xy18-so-info strong { color: var(--fuchsia); }
.xy18-so-items { display: flex; flex-direction: column; gap: 16px; }
.xy18-so-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; border-left: 3px solid var(--fuchsia); transition: var(--transition); }
.xy18-so-card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.xy18-so-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.xy18-so-card h3 a { color: #fff; }
.xy18-so-card h3 a:hover { color: var(--fuchsia); }
.xy18-so-card p { color: var(--text-light); font-size: .9rem; margin-bottom: 0; }
.xy18-so-hot { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.xy18-so-hot h4 { color: #fff; font-weight: 800; margin-bottom: 18px; }
.xy18-so-hot h4 i { color: var(--fuchsia); margin-right: 8px; }
.xy18-so-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.xy18-so-tags a { background: var(--surface-2); color: var(--text-light); padding: 7px 16px; border-radius: 20px; font-size: .85rem; border: 1px solid var(--border); }
.xy18-so-tags a:hover { background: var(--grad); color: #fff; border-color: transparent; }

/* ===== Tag page ===== */
.xy18-tag-cloud-lg { justify-content: center; gap: 12px; }
.xy18-tag-chip { background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 10px 20px; border-radius: 24px; font-size: .92rem; }
.xy18-tag-chip i { color: var(--fuchsia); margin-right: 6px; }
.xy18-tag-chip:hover { background: var(--grad); color: #fff; border-color: transparent; }
.xy18-tag-chip:hover i { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .xy18-hero-title { font-size: 2.3rem; }
    .xy18-hero { padding-top: 60px; }
    .xy18-hero-stats { grid-template-columns: repeat(2, 1fr); }
    .xy18-catz-grid, .xy18-grid-3, .xy18-prog-grid { grid-template-columns: repeat(2, 1fr); }
    .xy18-feat-grid { grid-template-columns: repeat(2, 1fr); }
    .xy18-feature-wrap { grid-template-columns: 1fr; }
    .xy18-feature-big { grid-row: auto; }
    .xy18-about-row { flex-direction: column; gap: 54px; }
    .xy18-footer-top { grid-template-columns: repeat(2, 1fr); }
    .xy18-toggle { display: block; }
    .xy18-nav { position: absolute; top: 100%; left: 0; right: 0; background: #060912; flex-direction: column; align-items: stretch; padding: 12px; gap: 6px; display: none; border-bottom: 1px solid var(--border); }
    .xy18-nav.show { display: flex; }
    .xy18-nav .nav-link { padding: 12px 14px; }
    .xy18-nav-cta { margin: 8px 0 0; justify-content: center; }
    .xy18-topbar-info { display: none; }
    .xy18-topbar-inner { justify-content: center; }
}
@media (max-width: 640px) {
    .xy18-sec { padding: 50px 0; }
    .xy18-hero-title { font-size: 1.9rem; }
    .xy18-hero-inner { padding-bottom: 54px; }
    .xy18-hero-stats { grid-template-columns: repeat(2, 1fr); }
    .xy18-catz-grid, .xy18-grid-3, .xy18-prog-grid, .xy18-feat-grid, .xy18-two-col, .xy18-faq { grid-template-columns: 1fr; }
    .xy18-about-counter { left: 12px; right: 12px; justify-content: space-around; }
    .xy18-footer-top, .xy18-footer-brand-row { grid-template-columns: 1fr; flex-direction: column; align-items: stretch; }
    .xy18-band-row { gap: 22px; }
    .xy18-band-item b { font-size: 1.5rem; }
    .xy18-cta-inner { flex-direction: column; text-align: center; }
    .xy18-list-item { flex-direction: column; }
    .xy18-item-media { flex: 0 0 auto; }
    .xy18-detail-title { font-size: 1.5rem; }
    .xy18-page-banner { height: 220px; }
    .xy18-page-banner h1 { font-size: 1.6rem; }
}


/* ========================================
   xy-018 首页差异化新板块（熔岩赤焰主题）
   平台优势 adv / 保障体系 trust / 用户心声 quote / 更新日志 log / App 展示
   ======================================== */

/* --- 平台优势 4 卡 --- */
.xy18-adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 46px; }
.xy18-adv-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px; transition: var(--transition); position: relative; overflow: hidden; }
.xy18-adv-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: var(--transition); }
.xy18-adv-card:hover { transform: translateY(-6px); border-color: rgba(255,45,61,.4); box-shadow: 0 16px 40px rgba(0,0,0,.45); }
.xy18-adv-card:hover::before { transform: scaleX(1); }
.xy18-adv-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--pink-soft); color: var(--fuchsia); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 18px; }
.xy18-adv-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.xy18-adv-card p { font-size: .9rem; color: var(--text-light); line-height: 1.7; }

/* --- 多维内容保障体系（3 层，深色区） --- */
.xy18-trust { background: linear-gradient(160deg, var(--bg-alt) 0%, #23150f 100%); padding: 82px 0; position: relative; }
.xy18-trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 20px; }
.xy18-trust-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 28px; position: relative; transition: var(--transition); }
.xy18-trust-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(0,0,0,.5); border-color: rgba(255,122,41,.4); }
.xy18-trust-layer { position: absolute; top: 20px; right: 24px; font-size: 2.6rem; font-weight: 800; color: rgba(255,255,255,.06); line-height: 1; }
.xy18-trust-icon { width: 58px; height: 58px; border-radius: 50%; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; box-shadow: 0 8px 22px rgba(255,45,61,.35); }
.xy18-trust-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.xy18-trust-card p { font-size: .92rem; color: var(--text-light); line-height: 1.75; margin-bottom: 16px; }
.xy18-trust-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.xy18-trust-tags span { font-size: .78rem; color: var(--blue); background: var(--blue-soft); border: 1px solid rgba(255,194,71,.22); padding: 4px 12px; border-radius: 20px; }

/* --- 用户心声墙 --- */
.xy18-quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.xy18-quote-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 26px; transition: var(--transition); display: flex; flex-direction: column; }
.xy18-quote-card:hover { transform: translateY(-5px); border-color: rgba(255,45,61,.38); box-shadow: 0 16px 40px rgba(0,0,0,.45); }
.xy18-quote-stars { color: var(--blue); font-size: .92rem; margin-bottom: 14px; letter-spacing: 2px; }
.xy18-quote-text { font-size: .95rem; color: var(--text); line-height: 1.8; flex: 1; margin-bottom: 20px; }
.xy18-quote-user { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--border); padding-top: 16px; }
.xy18-quote-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.05rem; flex: 0 0 auto; }
.xy18-quote-user b { display: block; font-size: .92rem; color: var(--text); }
.xy18-quote-user em { font-style: normal; font-size: .78rem; color: var(--muted); }
.xy18-quote-rate { background: var(--grad); border: none; align-items: center; justify-content: center; text-align: center; color: #fff; }
.xy18-quote-rate b { font-size: 3.2rem; font-weight: 800; line-height: 1; }
.xy18-quote-rate b span { font-size: 1.3rem; opacity: .8; font-weight: 600; }
.xy18-quote-rate em { font-style: normal; display: block; font-size: 1rem; font-weight: 700; margin: 8px 0 6px; }
.xy18-quote-rate p { font-size: .82rem; color: rgba(255,255,255,.85); }
.xy18-quote-rate:hover { transform: translateY(-5px); }

/* --- 平台更新日志时间线 --- */
.xy18-log { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 12px; }
.xy18-log-item { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--fuchsia); border-radius: var(--radius-sm); padding: 24px 26px; transition: var(--transition); }
.xy18-log-item:hover { border-left-color: var(--ember); transform: translateX(4px); box-shadow: 0 12px 30px rgba(0,0,0,.4); }
.xy18-log-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.xy18-log-ver { font-size: 1.05rem; font-weight: 800; color: var(--fuchsia); background: var(--pink-soft); padding: 3px 14px; border-radius: 20px; }
.xy18-log-date { font-size: .82rem; color: var(--muted); }
.xy18-log-item ul { list-style: none; margin: 0; padding: 0; }
.xy18-log-item li { font-size: .9rem; color: var(--text-light); line-height: 1.7; padding-left: 20px; position: relative; margin-bottom: 8px; }
.xy18-log-item li::before { content: "\f00c"; font-family: "Font Awesome 5 Free"; font-weight: 900; position: absolute; left: 0; color: var(--blue); font-size: .72rem; top: 3px; }

/* --- App 展示区 --- */
.xy18-app { background: linear-gradient(160deg, #23150f 0%, var(--bg-alt) 100%); padding: 82px 0; }
.xy18-app-row { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.xy18-app-body h2 { font-size: 2rem; font-weight: 800; color: var(--text); margin: 10px 0 16px; }
.xy18-app-check { list-style: none; margin: 22px 0 28px; padding: 0; }
.xy18-app-check li { display: flex; align-items: flex-start; gap: 12px; font-size: .95rem; color: var(--text-light); line-height: 1.6; margin-bottom: 14px; }
.xy18-app-check li i { color: var(--ember); font-size: 1.1rem; margin-top: 2px; }
.xy18-app-check li b { color: var(--text); }
.xy18-app-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: 0 22px 54px rgba(0,0,0,.55); }
.xy18-app-rating { position: absolute; bottom: 18px; left: 18px; background: rgba(18,13,12,.86); backdrop-filter: blur(6px); border: 1px solid rgba(255,194,71,.3); border-radius: 14px; padding: 12px 18px; display: flex; align-items: center; gap: 12px; }
.xy18-app-rating b { font-size: 1.9rem; font-weight: 800; color: var(--blue); line-height: 1; }
.xy18-app-rating span { font-size: .8rem; color: var(--text-light); }
.xy18-app-rating span i { color: var(--blue); }

/* --- 新板块响应式 --- */
@media (max-width: 991px) {
    .xy18-adv-grid { grid-template-columns: repeat(2, 1fr); }
    .xy18-trust-grid { grid-template-columns: 1fr; }
    .xy18-quote-grid { grid-template-columns: repeat(2, 1fr); }
    .xy18-log { grid-template-columns: 1fr; }
    .xy18-app-row { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 640px) {
    .xy18-adv-grid { grid-template-columns: 1fr; }
    .xy18-quote-grid { grid-template-columns: 1fr; }
    .xy18-trust { padding: 56px 0; }
    .xy18-app { padding: 56px 0; }
    .xy18-app-body h2 { font-size: 1.55rem; }
    .xy18-quote-rate b { font-size: 2.6rem; }
}