/* ==========================================================================
   问鼎娱乐体育教育 - style.css
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  --bg: #f3f6f2; --nav-dark: #123027; --panel-dark: #173b2c; --card-dark: #1f5340;
  --edu-green: #238660; --sport-blue: #2874d0; --track-red: #dd5a4b; --energy-orange: #ee8b32;
  --course-yellow: #eabf45; --light-green: #e5f2e9; --card-bg: #ffffff;
  --text-dark: #253238; --text-secondary: #68767b; --border-soft: #dce6df;
  --max-width: 1200px; --nav-height: 70px;
}
body { background: var(--bg); color: var(--text-dark); font-family: "Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",sans-serif; line-height: 1.7; font-size: 15px; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
table { border-collapse: collapse; width: 100%; }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.zone { padding: 56px 0; }
.zone-dark { background: var(--nav-dark); color: #e6f2ec; }
.zone-light { background: var(--bg); }
.zone-card { background: var(--card-bg); }
.zone-tint { background: var(--light-green); }

.zone-head { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.zone-eyebrow { font-size: 12.5px; font-weight: 800; letter-spacing: 2px; color: var(--energy-orange); text-transform: uppercase; }
.zone-title { font-size: 25px; font-weight: 800; }
.zone-dark .zone-title { color: #fff; }
.zone-light .zone-title, .zone-card .zone-title, .zone-tint .zone-title { color: var(--nav-dark); }
.zone-desc { font-size: 13.5px; color: var(--text-secondary); max-width: 720px; }
.zone-dark .zone-desc { color: #a9d8c4; }

.notice-strip { background: #fff3d6; border: 1px solid #f0dfa4; border-left: 4px solid var(--course-yellow); border-radius: 10px; padding: 13px 18px; font-size: 12.5px; margin-bottom: 22px; color: #7a5a12; }
.safety-strip { background: #fdece9; border: 1px solid #f3c9c1; border-left: 4px solid var(--track-red); border-radius: 10px; padding: 13px 18px; font-size: 12.5px; margin-bottom: 22px; color: #8a2f22; }

/* ---------- 导航 ---------- */
.site-header { position: sticky; top: 0; z-index: 500; height: var(--nav-height); background: rgba(18,48,39,0.96); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { max-width: var(--max-width); margin: 0 auto; height: var(--nav-height); padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.nav-logo img { height: 42px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 1px; flex-wrap: nowrap; }
.nav-menu a { padding: 8px 10px; border-radius: 999px; font-size: 12.5px; color: #a9d8c4; white-space: nowrap; }
.nav-menu a:hover { color: #fff; }
.nav-menu a.active { color: var(--nav-dark); background: var(--course-yellow); font-weight: 700; }
.nav-cta { display: inline-block; padding: 10px 16px; border-radius: 999px; background: linear-gradient(135deg, var(--edu-green), var(--sport-blue)); color: #fff; font-weight: 700; font-size: 12px; white-space: nowrap; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 26px; border-radius: 999px; font-size: 14px; font-weight: 700; transition: transform 0.2s, background 0.2s, border-color 0.2s; }
.btn-primary { background: linear-gradient(135deg, var(--edu-green), var(--sport-blue)); color: #fff; box-shadow: 0 10px 24px rgba(35,134,96,0.3); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline { border: 1px solid rgba(255,255,255,0.25); color: #fff; background: rgba(255,255,255,0.05); }
.zone-light .btn-outline, .zone-card .btn-outline, .zone-tint .btn-outline { border-color: var(--border-soft); color: var(--nav-dark); background: #fff; }
.btn-outline:hover { border-color: var(--sport-blue); color: var(--sport-blue); }
.btn-sm { padding: 8px 15px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-big { padding: 16px 32px; font-size: 15.5px; }

/* ---------- Hero ---------- */
.hero-zone { padding: 50px 0 40px; }
.hero-badge-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.new-badge { display: inline-block; padding: 6px 15px; border-radius: 999px; background: var(--track-red); color: #fff; font-weight: 800; font-size: 12.5px; }
.hero-tagline { font-size: 12px; color: #a9d8c4; }
.hero-h1 { font-size: 30px; line-height: 1.4; font-weight: 800; color: #fff; margin-bottom: 10px; max-width: 760px; }
.hero-h1 span { color: var(--course-yellow); }
.hero-sub { font-size: 14.5px; color: #a9d8c4; margin-bottom: 14px; }
.hero-desc { font-size: 13.5px; color: #c3e2d3; max-width: 680px; margin-bottom: 24px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-visual { display: flex; justify-content: center; }
.hero-visual img { max-width: 680px; border-radius: 24px; box-shadow: 0 26px 60px rgba(0,0,0,0.35); }
.hero-status-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1px; background: rgba(255,255,255,0.08); border-radius: 14px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); margin-top: 26px; }
.hero-status-strip .cell { background: var(--panel-dark); padding: 15px; text-align: center; }
.hero-status-strip .cell .v { font-size: 16px; font-weight: 800; color: var(--course-yellow); margin-bottom: 3px; }
.hero-status-strip .cell .l { font-size: 10.5px; color: #a9d8c4; }

/* ---------- 下载控制台 ---------- */
.download-console { background: var(--card-bg); border-radius: 22px; border: 1px solid var(--border-soft); box-shadow: 0 20px 50px rgba(18,48,39,0.1); overflow: hidden; }
.console-left { background: var(--nav-dark); color: #fff; padding: 24px; }
.console-left img { border-radius: 14px; margin-bottom: 14px; }
.console-left .status-line { display: flex; justify-content: space-between; font-size: 11.5px; color: #a9d8c4; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.console-left .status-line b { color: #fff; }
.console-body { display: grid; grid-template-columns: 280px 1fr; }
.console-tabs { display: flex; flex-direction: column; background: var(--light-green); border-right: 1px solid var(--border-soft); }
.console-tab { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--border-soft); font-size: 13px; color: var(--text-secondary); }
.console-tab .num { font-size: 10.5px; color: var(--sport-blue); display: block; margin-bottom: 3px; }
.console-tab.active { background: #fff; color: var(--nav-dark); font-weight: 700; border-left: 4px solid var(--edu-green); }
.console-panels { padding: 24px 28px; }
.console-panel { display: none; }
.console-panel.active { display: block; }
.console-panel h4 { font-size: 18px; margin-bottom: 10px; }
.console-meta-row { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 12px; color: var(--text-secondary); margin-bottom: 12px; }
.console-meta-row b { color: var(--text-dark); }
.console-panel .desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.console-list { display: flex; flex-direction: column; gap: 7px; margin: 12px 0; }
.console-list li { font-size: 12px; color: var(--text-secondary); padding-left: 18px; position: relative; }
.console-list li::before { content: "✓"; position: absolute; left: 0; color: var(--edu-green); font-weight: 800; }
.console-note { background: var(--light-green); border-radius: 10px; padding: 11px 14px; font-size: 11.5px; color: var(--text-secondary); margin-bottom: 16px; }
.console-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 0 28px 28px; }
.qr-panel { background: var(--light-green); border: 1px solid var(--border-soft); border-radius: 14px; padding: 16px; display: flex; align-items: center; gap: 12px; }
.qr-panel img { border-radius: 8px; background: #fff; padding: 6px; border: 1px solid var(--border-soft); }
.qr-panel p { font-size: 11.5px; color: var(--text-secondary); }

/* ---------- 版本助手 ---------- */
.advisor-box { background: var(--card-bg); border-radius: 20px; border: 1px solid var(--border-soft); box-shadow: 0 14px 36px rgba(18,48,39,0.08); padding: 24px; }
.advisor-steps { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; margin-bottom: 18px; }
.advisor-q { background: var(--light-green); border-radius: 12px; padding: 13px; }
.advisor-q .qn { font-size: 10.5px; color: var(--sport-blue); font-weight: 700; margin-bottom: 5px; display: block; }
.advisor-q p { font-size: 12px; color: var(--text-dark); margin-bottom: 9px; }
.advisor-q .opts { display: flex; flex-wrap: wrap; gap: 6px; }
.advisor-q .opts button { font-size: 11px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border-soft); background: #fff; color: var(--text-secondary); }
.advisor-q .opts button.picked { background: var(--edu-green); color: #fff; border-color: var(--edu-green); }
.advisor-result { background: var(--nav-dark); color: #fff; border-radius: 14px; padding: 16px 20px; }
.advisor-result .r-label { font-size: 11.5px; color: #a9d8c4; margin-bottom: 5px; }
.advisor-result .r-value { font-size: 18px; font-weight: 800; color: var(--course-yellow); }

.compare-table-wrap { overflow-x: auto; margin-top: 22px; border-radius: 14px; border: 1px solid var(--border-soft); }
.compare-table { min-width: 760px; }
.compare-table th, .compare-table td { padding: 11px 13px; text-align: left; font-size: 12px; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
.compare-table th { background: var(--nav-dark); color: #fff; font-weight: 700; }
.compare-table tr:nth-child(even) td { background: var(--light-green); }

/* ---------- Bento 课程地图 ---------- */
.bento-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); grid-auto-rows: minmax(140px,auto); gap: 16px; }
.bento-item { background: var(--card-bg); border-radius: 16px; border: 1px solid var(--border-soft); overflow: hidden; box-shadow: 0 8px 22px rgba(18,48,39,0.05); display: flex; flex-direction: column; }
.bento-item.large { grid-column: span 2; grid-row: span 2; }
.bento-item.medium { grid-column: span 2; }
.bento-item img { width: 100%; height: 140px; object-fit: cover; }
.bento-item.large img { height: 220px; }
.bento-body { padding: 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.bento-body h3 { font-size: 15px; }
.bento-item.large .bento-body h3 { font-size: 18px; }
.bento-meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: 10.5px; color: var(--sport-blue); }
.bento-body p { font-size: 12px; color: var(--text-secondary); flex: 1; }
.bento-safety { font-size: 11px; color: var(--track-red); }
.bento-update { font-size: 10.5px; color: var(--edu-green); }

/* ---------- 学习路线 ---------- */
.path-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.path-card { background: var(--card-bg); border-radius: 14px; border: 1px solid var(--border-soft); padding: 18px; box-shadow: 0 8px 20px rgba(18,48,39,0.05); border-top: 4px solid var(--edu-green); }
.path-card:nth-child(2) { border-top-color: var(--sport-blue); }
.path-card:nth-child(3) { border-top-color: var(--energy-orange); }
.path-card:nth-child(4) { border-top-color: var(--track-red); }
.path-card h4 { font-size: 14.5px; margin-bottom: 8px; }
.path-card p { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.path-card .label { font-size: 11px; font-weight: 700; color: var(--nav-dark); }

/* ---------- 技能课堂（篮球/足球/体能）表格式 ---------- */
.skill-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.skill-tab { padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border-soft); font-size: 12.5px; color: var(--text-secondary); background: var(--card-bg); }
.skill-tab.active { background: var(--edu-green); color: #fff; border-color: var(--edu-green); font-weight: 700; }
.skill-panel { display: none; }
.skill-panel.active { display: block; }
.skill-list { display: flex; flex-direction: column; gap: 14px; }
.skill-row { display: grid; grid-template-columns: 160px 1fr; gap: 18px; background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 14px; padding: 16px; box-shadow: 0 6px 18px rgba(18,48,39,0.04); }
.skill-row img { width: 100%; height: 110px; object-fit: cover; border-radius: 10px; }
.skill-row h4 { font-size: 15px; margin-bottom: 6px; }
.skill-row .skill-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 11px; color: var(--text-secondary); margin-bottom: 6px; }
.skill-row p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 4px; }
.skill-row .safety { font-size: 11.5px; color: var(--track-red); }

/* ---------- 规则/热身/放松/家庭 网格卡片 ---------- */
.compact-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.compact-card { background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 12px; padding: 15px; box-shadow: 0 6px 16px rgba(18,48,39,0.04); }
.compact-card h4 { font-size: 13.5px; margin-bottom: 6px; }
.compact-card .cmeta { font-size: 10.5px; color: var(--sport-blue); margin-bottom: 6px; }
.compact-card p { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.compact-card .warn { font-size: 11px; color: var(--track-red); }

/* ---------- 课后练习 / 家庭活动 / 教师工具 卡片 ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.plan-card { background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 14px; padding: 18px; box-shadow: 0 8px 20px rgba(18,48,39,0.05); }
.plan-card h4 { font-size: 14.5px; margin-bottom: 8px; }
.plan-meta-row { display: flex; gap: 10px; flex-wrap: wrap; font-size: 11px; color: var(--text-secondary); margin-bottom: 8px; }
.plan-card p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 6px; }
.plan-card .safety { font-size: 11.5px; color: var(--track-red); }

/* ---------- 文章区 ---------- */
.article-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.article-filter button { padding: 8px 15px; border-radius: 999px; border: 1px solid var(--border-soft); font-size: 12px; color: var(--text-secondary); background: var(--card-bg); }
.article-filter button.active, .article-filter button:hover { border-color: var(--edu-green); color: var(--edu-green); }
.article-headline-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; margin-bottom: 18px; }
.article-headline { background: var(--card-bg); border-radius: 16px; overflow: hidden; border: 1px solid var(--border-soft); box-shadow: 0 12px 30px rgba(18,48,39,0.06); }
.article-headline img { width: 100%; height: 190px; object-fit: cover; }
.article-headline-body { padding: 18px; }
.article-headline-body .cat { font-size: 10.5px; font-weight: 700; color: var(--energy-orange); }
.article-headline-body h3 { font-size: 16px; margin: 6px 0; }
.article-headline-body p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 8px; }
.article-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.article-tags span { font-size: 10px; background: var(--light-green); border: 1px solid var(--border-soft); padding: 2px 7px; border-radius: 5px; color: var(--text-secondary); }

.article-wide-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.article-wide { display: grid; grid-template-columns: 240px 1fr; gap: 18px; background: var(--card-bg); border-radius: 14px; border: 1px solid var(--border-soft); padding: 16px; box-shadow: 0 8px 22px rgba(18,48,39,0.05); }
.article-wide img { border-radius: 10px; width: 100%; height: 100%; object-fit: cover; }
.article-wide h3 { font-size: 15px; margin-bottom: 6px; }
.article-wide p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 5px; }

.article-two-col-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-bottom: 18px; }
.article-two-col { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border-soft); padding: 18px; box-shadow: 0 6px 18px rgba(18,48,39,0.04); }
.article-two-col h3 { font-size: 14.5px; margin-bottom: 8px; }
.article-two-col p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 6px; }

.article-toc-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.article-toc { background: var(--card-bg); border-radius: 10px; border: 1px solid var(--border-soft); padding: 14px; }
.article-toc h4 { font-size: 13px; margin-bottom: 6px; }
.article-toc p { font-size: 11.5px; color: var(--text-secondary); }

/* ---------- 更新区 ---------- */
.latest-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; margin-bottom: 18px; }
.latest-focus { background: var(--card-bg); border-radius: 16px; overflow: hidden; border: 1px solid var(--border-soft); box-shadow: 0 12px 30px rgba(18,48,39,0.06); }
.latest-focus img { width: 100%; height: 200px; object-fit: cover; }
.latest-focus-body { padding: 18px; }
.latest-focus-body .tag { font-size: 10.5px; font-weight: 700; color: var(--track-red); background: rgba(221,90,75,0.08); padding: 3px 8px; border-radius: 6px; }
.latest-focus-body h3 { font-size: 16px; margin: 8px 0; }
.latest-focus-body p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 8px; }
.latest-side-list { display: flex; flex-direction: column; gap: 11px; }
.latest-side-item { background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 12px; padding: 13px; box-shadow: 0 6px 16px rgba(18,48,39,0.04); }
.meta-row { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--text-secondary); margin-bottom: 5px; }
.latest-side-item h4 { font-size: 13px; margin-bottom: 4px; }
.latest-side-item p { font-size: 11.5px; color: var(--text-secondary); }
.latest-compact-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.latest-compact-filter button { padding: 7px 13px; border-radius: 999px; border: 1px solid var(--border-soft); font-size: 11.5px; color: var(--text-secondary); background: var(--card-bg); }
.latest-compact-filter button.active, .latest-compact-filter button:hover { border-color: var(--edu-green); color: var(--edu-green); }
.latest-compact-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 13px; }
.latest-compact { background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 12px; padding: 13px; box-shadow: 0 6px 14px rgba(18,48,39,0.04); }
.latest-compact h4 { font-size: 12.5px; margin-bottom: 5px; }
.latest-compact p { font-size: 11px; color: var(--text-secondary); }

/* ---------- 版本档案 ---------- */
.version-archive { display: grid; grid-template-columns: 210px 1fr; border-radius: 18px; overflow: hidden; border: 1px solid var(--border-soft); box-shadow: 0 12px 30px rgba(18,48,39,0.05); }
.archive-rail { background: var(--nav-dark); display: flex; flex-direction: column; }
.archive-rail button { text-align: left; padding: 14px 16px; color: #a9d8c4; font-size: 12.5px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.archive-rail button b { display: block; font-size: 13px; color: #fff; }
.archive-rail button.active { background: var(--panel-dark); color: #fff; border-left: 3px solid var(--course-yellow); }
.archive-panels { background: var(--card-bg); padding: 22px 26px; }
.archive-panel { display: none; }
.archive-panel.active { display: block; }
.archive-panel h4 { font-size: 16px; margin-bottom: 5px; }
.archive-panel .a-meta { font-size: 11.5px; color: var(--text-secondary); margin-bottom: 10px; }
.archive-panel p { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 10px; }
.archive-panel ul { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }
.archive-panel li { font-size: 12px; color: var(--text-secondary); padding-left: 15px; position: relative; }
.archive-panel li::before { content: "▸"; position: absolute; left: 0; color: var(--energy-orange); }
.archive-device { font-size: 11px; color: var(--edu-green); }

/* ---------- 安装 ---------- */
.install-routes { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-bottom: 22px; }
.route-card { border-radius: 14px; padding: 18px; color: #fff; }
.route-android { background: linear-gradient(160deg, #238660, #14543c); }
.route-ios { background: linear-gradient(160deg, #2874d0, #16428c); }
.route-web { background: linear-gradient(160deg, #ee8b32, #b5601a); }
.route-card h4 { font-size: 14.5px; margin-bottom: 10px; }
.route-step { font-size: 12px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.16); }
.route-step:last-child { border-bottom: none; }
.trouble-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 11px; }
.trouble-item { background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 10px; padding: 13px 15px; }
.trouble-item h4 { font-size: 12.5px; color: var(--track-red); margin-bottom: 4px; }
.trouble-item p { font-size: 11.5px; color: var(--text-secondary); }
.trouble-order { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.trouble-order span { font-size: 11px; background: var(--light-green); border: 1px solid var(--border-soft); padding: 5px 11px; border-radius: 999px; color: var(--text-secondary); }

/* ---------- 用户反馈 ---------- */
.review-wall { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 15px; }
.review-note { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border-soft); padding: 16px; box-shadow: 0 6px 18px rgba(18,48,39,0.04); }
.review-note p { font-size: 12.5px; color: var(--text-dark); margin-bottom: 10px; }
.review-note .who { display: flex; align-items: center; gap: 9px; }
.review-avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--edu-green), var(--energy-orange)); display: flex; align-items: center; justify-content: center; font-size: 11.5px; font-weight: 700; color: #fff; }
.review-note .name { font-size: 11.5px; color: var(--text-secondary); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 9px; max-width: 920px; }
.faq-item { background: var(--card-bg); border: 1px solid var(--border-soft); border-radius: 10px; overflow: hidden; }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 17px; font-size: 13px; font-weight: 700; text-align: left; color: var(--nav-dark); }
.faq-question .plus { flex-shrink: 0; width: 19px; height: 19px; border-radius: 50%; border: 1px solid var(--border-soft); display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--sport-blue); transition: transform 0.2s; }
.faq-item.open .faq-question .plus { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; }
.faq-answer p { padding: 0 17px 15px; font-size: 12px; color: var(--text-secondary); }
.faq-item.open .faq-answer { max-height: 280px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--nav-dark); color: #a9d8c4; padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 26px; margin-bottom: 20px; }
.footer-brand p { color: #8fae9d; font-size: 12.5px; max-width: 320px; margin-top: 10px; }
.footer-col h4 { font-size: 13px; margin-bottom: 11px; color: #fff; }
.footer-col ul { display: flex; flex-direction: column; gap: 7px; }
.footer-col a, .footer-col li { font-size: 12px; color: #8fae9d; }
.footer-col a:hover { color: var(--course-yellow); }
.footer-disclaimer { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 15px; margin-bottom: 12px; font-size: 11.5px; color: var(--course-yellow); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 15px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 11px; color: #667085; }

.back-top { position: fixed; right: 20px; bottom: 20px; width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--edu-green), var(--sport-blue)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 800; box-shadow: 0 8px 20px rgba(18,48,39,0.35); opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity 0.2s, transform 0.2s; z-index: 400; }
.back-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) { .container { padding: 0 20px; } }
@media (max-width: 992px) {
  .console-body { grid-template-columns: 1fr; }
  .console-tabs { flex-direction: row; overflow-x: auto; }
  .console-tab { border-bottom: none; border-right: 1px solid var(--border-soft); flex-shrink: 0; }
  .console-extra { grid-template-columns: 1fr; }
  .advisor-steps { grid-template-columns: 1fr 1fr; }
  .bento-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bento-item.large { grid-column: span 2; }
  .path-grid { grid-template-columns: 1fr 1fr; }
  .skill-row { grid-template-columns: 1fr; }
  .compact-grid { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .article-headline-grid { grid-template-columns: 1fr; }
  .article-two-col-grid { grid-template-columns: 1fr; }
  .article-toc-grid { grid-template-columns: 1fr; }
  .latest-layout { grid-template-columns: 1fr; }
  .latest-compact-grid { grid-template-columns: 1fr 1fr; }
  .version-archive { grid-template-columns: 1fr; }
  .archive-rail { flex-direction: row; overflow-x: auto; }
  .archive-rail button { flex-shrink: 0; border-bottom: none; border-right: 1px solid rgba(255,255,255,0.08); }
  .install-routes { grid-template-columns: 1fr; }
  .trouble-grid { grid-template-columns: 1fr; }
  .review-wall { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { position: fixed; top: var(--nav-height); left: 0; right: 0; background: var(--nav-dark); border-bottom: 1px solid rgba(255,255,255,0.08); flex-direction: column; align-items: stretch; padding: 10px 20px 20px; gap: 4px; transform: translateY(-120%); opacity: 0; transition: transform 0.25s, opacity 0.25s; }
  .nav-menu.open { transform: translateY(0); opacity: 1; }
  .nav-menu a { padding: 12px 10px; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .hero-h1 { font-size: 23px; }
  .hero-status-strip { grid-template-columns: 1fr 1fr; }
  .advisor-steps { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-item.large, .bento-item.medium { grid-column: span 1; }
  .path-grid { grid-template-columns: 1fr; }
  .latest-compact-grid { grid-template-columns: 1fr; }
  .article-wide { grid-template-columns: 1fr; }
  .article-wide img { height: 180px; }
  .review-wall { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .zone { padding: 40px 0; }
}
@media (max-width: 560px) {
  .zone-title { font-size: 19px; }
  .back-top { right: 14px; bottom: 14px; width: 38px; height: 38px; }
}