/* fengshui */
/* 风水学堂 · 书卷主题设计系统
   宣纸为底（阳），深墨为字（阴），朱砂作印，赭金为纹。
   原站语义变量名保留，仅重新赋值为书卷主题，各页面无需改动即可切换。 */
#fs-app {
  /* —— 书卷主题：底色与文字 —— */
  --bg-yin: #efe3c8;          /* 宣纸主底 */
  --bg-yin-2: #e9dcbe;        /* 输入/次级底 */
  --bg-yin-3: #fbf4e3;        /* 卡片底（米白宣纸） */
  --bg-yin-4: #f3e9d2;        /* 悬浮层 */
  --bg-yang: #2c2418;         /* 阳：深墨（用于浅底上的强调反相） */
  --bg-accent: #9e2b1e;       /* 朱砂（印泥红） */
  --accent: #9e2b1e;          /* 朱砂（主强调色，--bg-accent 别名） */
  --accent-2: #9c6b2f;        /* 赭金（次强调色） */
  --bg-line: #9c6b2f;         /* 赭金 */

  /* —— 兼容旧名（重新赋值为书卷主题）—— */
  --paper: #fbf4e3;
  --paper-2: #e9dcbe;
  --paper-pure: #fbf4e3;
  --ink: #2c2418;             /* 主文字：深墨 */
  --ink-2: #4a4030;           /* 次级文字 */
  --ink-3: #7a6b50;           /* 弱化文字 */
  --ti: #8a1f17;              /* 朱砂：标题与强调 */
  --tf: #9c6b2f;
  --tb-d: #b8893a;
  --gold: #9c6b2f;            /* 赭金（浅底可读） */
  --gold-soft: #b8893a;
  --bronze: #9c6b2f;
  --line: rgba(120, 90, 50, .22);
  --line-strong: rgba(120, 90, 50, .42);
  --green: #3f7d57;
  --red: #b23a2e;
  --shadow: 0 6px 20px rgba(80, 55, 20, .12);
  --radius: 14px;

  --bg-2: #e6d6b4;            /* 区块交替底 */
  --ink-on-accent: #fbf4e3;   /* 朱砂底上的米白字 */
}

#fs-app * { box-sizing: border-box; }
#fs-app {
  background: var(--bg-yin);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1200px 600px at 50% -10%, rgba(201, 184, 150, .18), transparent 60%);
}
#fs-app h1, #fs-app h2, #fs-app h3, #fs-app h4, #fs-app .serif { font-family: "Noto Serif SC", "Songti SC", "STSong", serif; }
#fs-app a { color: var(--gold); text-decoration: none; }
#fs-app a:hover { color: var(--accent); }
#fs-app .wrap { max-width: none; margin: 0 auto; padding: 0 28px; }
#fs-app .hidden { display: none !important; }
#fs-app .fs-muted { color: var(--ink-3); }
#fs-app .center { text-align: center; }

/* 顶部导航 —— 宣纸半透明 + 深墨字 + 墨线 */
#fs-app header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 244, 227, .9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
#fs-app .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
#fs-app .fs-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--ti); }
#fs-app .fs-brand .seal {
  width: 34px; height: 34px; border-radius: 8px; background: var(--bg-accent); color: var(--ink-on-accent);
  display: grid; place-items: center; font-family: "Noto Serif SC", serif; font-weight: 700; font-size: 1rem;
  box-shadow: inset 0 0 0 2px rgba(251, 244, 227, .4);
}
#fs-app .nav-links { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
#fs-app .nav-links a { padding: 7px 12px; border-radius: 8px; color: var(--ink-2); font-size: .92rem; }
#fs-app .nav-links a:hover, #fs-app .nav-links a.active { background: rgba(158, 43, 30, .1); color: var(--ti); }

/* 汉堡按钮（移动端显示） */
#fs-app .nav-burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 9px 8px; border: 1px solid var(--line); border-radius: 10px; background: transparent; cursor: pointer; }
#fs-app .nav-burger span { display: block; height: 2px; border-radius: 2px; background: var(--ti); transition: transform .2s; }

/* 右侧抽屉菜单 —— 宣纸底 + 深墨字 */
#fs-app .nav-mask { position: fixed; inset: 0; z-index: 90; background: rgba(44, 36, 24, .55); opacity: 0; transition: opacity .25s; }
#fs-app .nav-mask.show { opacity: 1; }
#fs-app .nav-drawer { position: fixed; top: 0; right: 0; z-index: 91; width: min(78vw, 320px); height: 100%; padding: 18px 20px; background: var(--paper); border-left: 1px solid var(--line); transform: translateX(100%); transition: transform .25s ease; overflow-y: auto; }
#fs-app .nav-drawer.open { transform: translateX(0); }
#fs-app .drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
#fs-app .drawer-title { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ti); }
#fs-app .drawer-title .seal { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 6px; background: var(--bg-accent); color: var(--ink-on-accent); font-size: .9rem; }
#fs-app .drawer-close { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--ink-2); font-size: 1.3rem; line-height: 1; cursor: pointer; }
#fs-app .drawer-links { display: flex; flex-direction: column; gap: 4px; margin-top: 14px; }
#fs-app .drawer-links a { display: block; padding: 12px 14px; border-radius: 10px; color: var(--ink-2); font-size: 1rem; }
#fs-app .drawer-links a:hover, #fs-app .drawer-links a.active { background: rgba(158, 43, 30, .1); color: var(--ti); }

#fs-app .fs-brand { white-space: nowrap; }

@media (max-width: 860px) {
#fs-app .nav-links { display: none; }
#fs-app .nav-burger { display: flex; }
#fs-app .nav-inner { justify-content: space-between; }
#fs-app .brand-name { font-size: 1rem; }
}

/* 按钮 —— 朱砂主按钮 + 墨线幽灵按钮 */
#fs-app .btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; border: none;
  background: var(--accent); color: var(--ink-on-accent); font-weight: 600; padding: 9px 16px; border-radius: 10px;
  font-size: .92rem; transition: .15s; font-family: inherit; white-space: nowrap;
}
#fs-app .btn:hover { background: #872217; }
#fs-app .btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line-strong); }
#fs-app .btn.ghost:hover { background: rgba(158, 43, 30, .1); color: var(--ti); }
#fs-app .btn.gold { background: var(--accent); color: var(--ink-on-accent); }
#fs-app .btn.gold:hover { background: #872217; }
#fs-app .btn.sm { padding: 6px 12px; font-size: .82rem; }

/* 区块 */
#fs-app section.block { padding: 56px 0; }
#fs-app section.block:last-of-type { padding-bottom: 28px; }
#fs-app .block + .block { border-top: 1px solid var(--line); }
#fs-app .section-title { font-size: 1.7rem; margin: 0 0 8px; color: var(--ti); text-wrap: balance; }
#fs-app .section-title::before {
  content: "道"; display: inline-block; background: var(--accent); color: var(--ink-on-accent);
  font-family: "Noto Serif SC", serif; font-size: .82rem; width: 1.5em; height: 1.5em; line-height: 1.5em;
  text-align: center; border-radius: 5px; margin-right: 10px; vertical-align: middle;
  box-shadow: inset 0 0 0 2px rgba(251, 244, 227, .4);
}
#fs-app .section-sub { color: var(--ink-3); margin: 0 0 28px; }
/* 朱砂印章小标签 */
#fs-app .kicker {
  display: inline-block; background: var(--accent); color: var(--ink-on-accent); padding: 3px 12px;
  border-radius: 4px; letter-spacing: .25em; font-size: .72rem; font-weight: 600; text-transform: uppercase;
  box-shadow: inset 0 0 0 1px rgba(251, 244, 227, .3);
}
#fs-app .kicker.center { display: inline-block; margin: 0 auto; }

/* 卡片网格 —— 米白宣纸 + 墨线 */
#fs-app .fs-grid { display: grid; gap: 18px; }
#fs-app .fs-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
#fs-app .fs-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
#fs-app .fs-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); transition: .18s; color: var(--ink);
}
#fs-app .fs-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 12px 28px rgba(80, 55, 20, .18); }
#fs-app .fs-card h3 { margin: 0 0 8px; font-size: 1.18rem; color: var(--ti); }
#fs-app .fs-card p { margin: 0; color: var(--ink-2); font-size: .92rem; }

/* Hero —— 宣纸暖底 + 太极装饰 */
#fs-app .hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(700px 360px at 12% 8%, rgba(158, 43, 30, .1), transparent 60%),
    linear-gradient(165deg, #f3e7cd 0%, #efe3c8 55%, #e9dcbe 100%);
  border-bottom: 1px solid var(--line);
}
#fs-app .hero::after {
  content: ""; position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
  width: 280px; height: 280px; opacity: .18; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='46' fill='none' stroke='%23b08d4e' stroke-width='2'/%3E%3Cpath d='M50 4 a46 46 0 0 1 0 92 a23 23 0 0 1 0 -46 a23 23 0 0 0 0 -46 Z' fill='%233a3122'/%3E%3Ccircle cx='50' cy='27' r='7' fill='%23fbf4e3'/%3E%3Ccircle cx='50' cy='73' r='7' fill='%233a3122'/%3E%3C/svg%3E") no-repeat center / contain;
}
/* 只设纵向内边距，横向沿用 .wrap，否则同级 .hero-inner 会覆盖掉 .wrap 的左右留白 */
#fs-app .hero-inner { position: relative; z-index: 1; padding-top: 30px; padding-bottom: 40px; }
#fs-app .hero h1 { font-size: 3rem; line-height: 1.2; margin: 0 0 12px; color: var(--bg-yang); text-wrap: balance; }
#fs-app .hero .lead { font-size: 1.1rem; color: var(--ink-2); max-width: 640px; }
#fs-app .stat-row { display: flex; gap: 32px; margin-top: 28px; flex-wrap: wrap; }
#fs-app .stat .num { font-size: 2rem; font-weight: 800; color: var(--accent); font-family: "Noto Serif SC", serif; }
#fs-app .stat .lbl { color: var(--ink-3); font-size: .85rem; }

/* 入口三步 */
#fs-app .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
#fs-app .step { text-align: center; padding: 30px 20px; }
#fs-app .step .badge {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%;
  background: rgba(158, 43, 30, .1); color: var(--accent);
  display: grid; place-items: center; font-size: 1.5rem; font-family: "Noto Serif SC", serif;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
#fs-app .step h3 { margin: 0 0 8px; color: var(--ti); }

/* 标签 */
#fs-app .tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .76rem; background: rgba(120, 90, 50, .14); color: var(--gold); }
#fs-app .tag.free { background: rgba(63, 125, 87, .14); color: var(--green); }
#fs-app .tag.red { background: rgba(158, 43, 30, .12); color: var(--accent); }

/* 排盘结果 */
#fs-app .result-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
#fs-app .pillar {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px; text-align: center;
  background: var(--paper); box-shadow: inset 0 0 0 1px rgba(120, 90, 50, .06);
}
#fs-app .pillar .ttl { font-size: .8rem; color: var(--ink-3); }
#fs-app .pillar .gz { font-size: 1.8rem; font-family: "Noto Serif SC", serif; letter-spacing: 2px; margin: 6px 0; color: var(--ti); }
#fs-app .pillar .meta { font-size: .78rem; color: var(--ink-2); }
#fs-app .chip { display: inline-block; padding: 3px 9px; border-radius: 8px; font-size: .8rem; margin: 2px; }
#fs-app .chip.wx-木 { background: rgba(63, 125, 87, .16); color: #2f6b49; }
#fs-app .chip.wx-火 { background: rgba(178, 58, 46, .16); color: #8f2a20; }
#fs-app .chip.wx-土 { background: rgba(184, 137, 58, .2); color: #7a531a; }
#fs-app .chip.wx-金 { background: rgba(120, 120, 130, .14); color: #4a4a52; }
#fs-app .chip.wx-水 { background: rgba(70, 110, 170, .16); color: #2f568f; }

/* 表单 */
#fs-app .field { margin-bottom: 14px; }
#fs-app .field label { display: block; font-size: .85rem; color: var(--ink-2); margin-bottom: 5px; }
#fs-app .field input, #fs-app .field select, #fs-app .field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: .95rem; font-family: inherit; background: var(--bg-yin-2); color: var(--ink);
}
#fs-app .field input:focus, #fs-app .field select:focus { outline: none; border-color: var(--accent); }
#fs-app .fs-row { display: flex; gap: 12px; flex-wrap: wrap; }
#fs-app .fs-row .field { flex: 1; min-width: 120px; }

/* 题库/练功 */
#fs-app .quiz-box { max-width: 720px; margin: 0 auto; }
#fs-app .question { font-size: 1.15rem; margin-bottom: 18px; color: var(--bg-yang); }
#fs-app .opt {
  display: block; width: 100%; text-align: left; padding: 13px 16px; margin-bottom: 10px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--paper);
  color: var(--ink); cursor: pointer; font-size: .98rem;
}
#fs-app .opt:hover { border-color: var(--accent); }
#fs-app .opt.sel { border-color: var(--accent); background: rgba(158, 43, 30, .08); }
#fs-app .opt.correct { border-color: var(--green); background: rgba(63, 125, 87, .12); }
#fs-app .opt.wrong { border-color: var(--red); background: rgba(178, 58, 46, .12); }
#fs-app .feedback { margin-top: 14px; padding: 14px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); font-size: .92rem; }
#fs-app .feedback.ok { border-color: rgba(63, 125, 87, .45); background: rgba(63, 125, 87, .08); }
#fs-app .feedback.no { border-color: rgba(178, 58, 46, .45); background: rgba(178, 58, 46, .08); }

/* 进度条 */
#fs-app .fs-bar { height: 8px; border-radius: 999px; background: rgba(120, 90, 50, .16); overflow: hidden; }
#fs-app .fs-bar > span { display: block; height: 100%; background: var(--accent); }

/* 成就 */
#fs-app .ach { display: flex; gap: 14px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
#fs-app .ach.locked { opacity: .45; }
#fs-app .ach .ic { font-size: 1.6rem; }

/* 模态 */
#fs-app .modal-mask { position: fixed; inset: 0; background: rgba(44, 36, 24, .62); display: none; place-items: center; z-index: 100; padding: 20px; }
#fs-app .modal-mask.show { display: grid; }
#fs-app .modal { background: var(--paper); border: 1px solid var(--line-strong); border-radius: 16px; padding: 26px; width: 100%; max-width: 400px; box-shadow: var(--shadow); }
#fs-app .modal h3 { margin: 0 0 16px; color: var(--ti); }

/* 页脚 —— 书卷底 + 太极符号 */
#fs-app footer.site { border-top: 1px solid var(--line); background: var(--bg-2); padding: 18px 0; margin-top: 0; color: var(--ink-3); font-size: .88rem; }
#fs-app footer.site a { color: var(--ink-2); margin-right: 16px; }
#fs-app footer.site p { margin: 0; }
#fs-app footer.site a:hover { color: var(--accent); }

/* 侧栏布局 */
#fs-app .layout { display: grid; grid-template-columns: 260px 1fr; gap: 28px; align-items: start; }
#fs-app .fs-side { position: sticky; top: 76px; }
#fs-app .fs-side .group { margin-bottom: 18px; }
#fs-app .fs-side .group h4 { margin: 0 0 8px; font-size: .9rem; color: var(--gold); letter-spacing: .1em; }
#fs-app .fs-side a.board-link { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); font-size: .9rem; cursor: pointer; }
#fs-app .fs-side a.board-link:hover, #fs-app .fs-side a.board-link.active { background: rgba(158, 43, 30, .1); color: var(--ti); }
#fs-app .btn.ghost.sm.shufa-active { background: var(--accent); color: var(--ink-on-accent); border-color: var(--accent); font-weight: 600; }

/* —— 人生地图 —— */
#fs-app .lifemap {
  background:
    radial-gradient(600px 300px at 85% 10%, rgba(158, 43, 30, .1), transparent 62%),
    linear-gradient(150deg, #f3e9d2, #e9dcbe);
  border: 1px solid var(--line); border-radius: 18px; padding: 38px 34px;
}
#fs-app .lifemap h2 { margin: 12px 0 14px; font-size: 1.7rem; color: var(--ti); line-height: 1.4; }
#fs-app .lifemap .quote { font-family: "Noto Serif SC", serif; font-size: 1.15rem; color: var(--accent-2); margin-bottom: 14px; }
#fs-app .lifemap p { color: var(--ink-2); margin: 0 0 12px; }
#fs-app .lifemap .principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
#fs-app .lifemap .principles div {
  background: rgba(120, 90, 50, .08); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px; font-size: .9rem; color: var(--ink-2);
}
#fs-app .lifemap .principles b { display: block; color: var(--gold); margin-bottom: 6px; font-family: "Noto Serif SC", serif; }

/* —— 攻略战（保留适配）—— */
#fs-app .crush-hero {
  background: linear-gradient(140deg, #9e2b1e 0%, #7a1e14 55%, #5a160f 100%);
  border: 1px solid var(--line); border-radius: 18px; padding: 32px; border-left: 6px solid var(--gold);
}
#fs-app .crush-hero h2 { margin: 0 0 8px; color: #fff; font-size: 1.6rem; }
#fs-app .crush-hero p { margin: 0; color: rgba(255, 255, 255, .85); }
#fs-app .crush-phase { border: 1px solid var(--line); border-radius: 16px; padding: 22px; background: var(--paper); margin-bottom: 16px; }
#fs-app .crush-phase h3 { margin: 0 0 6px; color: var(--ti); display: flex; align-items: center; gap: 10px; }
#fs-app .crush-phase .ph-no { background: var(--gold); color: var(--ink-on-accent); font-size: .78rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; font-family: inherit; }
#fs-app .crush-phase ul { margin: 10px 0 0; padding-left: 20px; color: var(--ink-2); font-size: .92rem; }
#fs-app .crush-phase li { margin-bottom: 6px; }
#fs-app .crush-tip { margin-top: 14px; padding: 12px 14px; border-left: 3px solid var(--gold); background: rgba(120, 90, 50, .08); font-size: .9rem; color: var(--ink-2); }

@media (max-width: 860px) {
#fs-app .fs-grid.cols-3, #fs-app .fs-grid.cols-2, #fs-app .steps, #fs-app .result-grid { grid-template-columns: 1fr; }
#fs-app .layout { grid-template-columns: 1fr; }
#fs-app .fs-side { position: static; }
#fs-app .hero h1 { font-size: 2rem; }
#fs-app .hero::after { display: none; }
#fs-app .lifemap { padding: 26px 20px; }
#fs-app .lifemap .principles { grid-template-columns: 1fr; }
#fs-app .fs-row { flex-wrap: wrap; }
#fs-app .stat-row { gap: 18px 24px; }
#fs-app .stat .num { font-size: 1.55rem; }
#fs-app .stat .lbl { font-size: .78rem; }
#fs-app .wrap { padding-left: 16px; padding-right: 16px; }
#fs-app .section-title { font-size: 1.5rem; }
#fs-app .opt { width: 100%; text-align: left; }
#fs-app .quiz-box .row { gap: 10px; }
}

/* —— 嵌入 bbs1 页面内的容器外观 —— */
#fs-app {
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
#fs-app .hero { border-radius: 17px 17px 0 0; }
#fs-app section.block:last-of-type { padding-bottom: 44px; border-radius: 0 0 17px 17px; }
#fs-app .kicker.center { display: block; width: fit-content; margin: 0 auto; }
#fs-app .section-title.center { text-align: center; }
#fs-app ul { padding-left: 22px; }
#fs-app li { margin-bottom: 6px; font-size: .92rem; }
#fs-app .fs-brand, #fs-app .nav-links a { white-space: nowrap; }

/* 后台设置页（不在 #fs-app 内，独立命名） */
.fs-admin-form { display: grid; gap: 14px; }
.fs-admin-intro { margin: 0; color: var(--text-muted); font-size: var(--font-size-md); }
.fs-admin-groups { display: grid; gap: 14px; }
.fs-admin-group { margin: 0; padding: 14px 16px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.fs-admin-group h2 { margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line-soft); font-size: var(--font-size-lg); color: var(--text); }
.fs-admin-fields { display: grid; gap: 10px 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fs-admin-fields .grid { grid-template-columns: 1fr; gap: 4px; margin: 0; }
.fs-admin-fields .grid > span { padding-top: 0; }
.fs-admin-fields .grid > span > small { color: var(--text-subtle); }
.fs-admin-fields .fs-admin-wide { grid-column: 1 / -1; }
.fs-admin-fields input:not([type=checkbox]), .fs-admin-fields select { max-width: none; width: 100%; }
.fs-admin-fields textarea { min-height: 112px; }
.fs-admin-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
@media (max-width: 860px) {
  .fs-admin-fields { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .fs-admin-group { padding: 12px; }
}

/* ==================================================================
 * 站点内页面适配修正
 * 1) 区标题小标签与标题之间留出呼吸位，避免贴叠
 * 2) 内容容器收窄到舒适行宽
 * 3) 练功坊侧栏不做 sticky（高侧栏在桌面会被裁）
 * 4) 移动端：学习页板块改为横向滑动条，练功坊把操作区提到前面
 * ================================================================== */
#fs-app { overflow-wrap: break-word; }
#fs-app .layout { grid-template-columns: 260px minmax(0, 1fr); }
#fs-app .layout > * { min-width: 0; }
#fs-app .kicker { margin-bottom: 10px; }
#fs-app .kicker.center { margin-bottom: 18px; }
#fs-app .wrap { max-width: 1120px; }
#fs-app .stat-row { gap: 18px 30px; }
#fs-app .feedback { overflow-wrap: anywhere; }
#fs-app[data-fs-page="practice"] .fs-side { position: static; }

/* 平板宽度保留多列，避免一屏一个卡片 */
@media (min-width: 641px) {
  #fs-app .fs-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
/* 论坛入口在导航里给一点视觉权重，避免和版块链接混在一起 */
.forum-nav .plugin-top-menu-link { font-weight: 600; color: var(--brand); }
/* 721-980：导航不换行，可横向滑动，论坛入口提前 */
@media (min-width: 721px) and (max-width: 980px) {
  .forum-nav { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .forum-nav::-webkit-scrollbar { display: none; }
  .forum-nav .forum-link { white-space: nowrap; flex: 0 0 auto; }
  .forum-nav .plugin-top-menu-link { order: -1; }
}
@media (max-width: 860px) {
  #fs-app .layout { grid-template-columns: minmax(0, 1fr); }
  #fs-app section.block { padding: 34px 0; }
  #fs-app section.block:last-of-type { padding-bottom: 28px; }
  #fs-app .hero-inner { padding-top: 26px; padding-bottom: 32px; }
  #fs-app .hero h1 { font-size: 1.9rem; }
  #fs-app .stat .num { font-size: 1.6rem; }
  #fs-app .section-title { font-size: 1.32rem; }
  #fs-app .section-sub { margin-bottom: 20px; font-size: .9rem; }

  /* 学习页：侧栏变横向滑动条，省下约三百像素高度 */
  #fs-app[data-fs-page="learn"] .fs-side {
    position: static; margin: 0 0 18px; padding: 0; background: none; border: 0;
  }
  #fs-app[data-fs-page="learn"] .fs-side .group { margin-bottom: 0; }
  #fs-app[data-fs-page="learn"] .fs-side .group h4 { display: none; }
  #fs-app[data-fs-page="learn"] #board-list {
    display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 10px;
    min-width: 0; width: 100%;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  #fs-app[data-fs-page="learn"] #board-list::-webkit-scrollbar { display: none; }
  #fs-app[data-fs-page="learn"] .board-link {
    flex: 0 0 auto; margin: 0; padding: 7px 14px; white-space: nowrap;
    border: 1px solid var(--line); border-radius: 999px;
    background: var(--paper); color: var(--ink-2); font-size: .84rem;
  }
  #fs-app[data-fs-page="learn"] .board-link.active {
    background: var(--accent); border-color: var(--accent); color: var(--ink-on-accent); font-weight: 600;
  }

  /* 练功坊：先给操作，再给修为与成就 */
  #fs-app[data-fs-page="practice"] .fs-side { order: 2; margin-top: 4px; }
  #fs-app[data-fs-page="practice"] .layout > main { order: 1; }

  #fs-app .stat-row { row-gap: 18px; }
  #fs-app .hero .lead { font-size: 1rem; }

  #fs-app .quiz-box { max-width: none; }
  #fs-app .question { font-size: 1.05rem; }
  #fs-app .opt { padding: 12px 14px; font-size: .94rem; }
}
/* 手机窄屏：统计项三列排布，字号再收一档（放在 860 之后以覆盖其字号） */
@media (max-width: 560px) {
  #fs-app .stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 10px; }
  #fs-app .stat .num { font-size: 1.45rem; }
  #fs-app .stat .lbl { font-size: .76rem; }
}
/* 641-980：三步路径两列，末卡与上排同宽居中，避免三列把文案和按钮挤成两行 */
@media (min-width: 641px) and (max-width: 980px) {
  #fs-app .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #fs-app .steps > .step:last-child {
    grid-column: 1 / -1;
    width: 100%; max-width: calc(50% - 9px);
    margin-left: auto; margin-right: auto;
  }
}

/* —— 注册页邀请码（核心注册页内，独立样式） —— */
.fs-reg { margin: 14px 0 4px; }
.fs-reg-invite { display: block; }
.fs-reg-invite > span { display: block; margin-bottom: 5px; font-size: .85rem; color: var(--text-muted, #6b7280); }
.fs-reg-invite small { display: block; margin-top: 2px; font-size: .78rem; color: var(--text-subtle, #9aa1ab); }
.fs-reg-invite input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line, #dfe3e8); border-radius: 8px;
  font-size: 1rem; letter-spacing: .08em; text-transform: uppercase;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.fs-reg-invite input:focus { outline: none; border-color: var(--brand, #9e2b1e); }
.fs-reg-tip { margin: 8px 0 0; font-size: .82rem; line-height: 1.6; color: var(--text-subtle, #9aa1ab); }
.fs-reg-tip span { display: block; }
.fs-wx {
  position: relative;
  display: inline-block;
  padding: 0 2px;
  color: #9e2b1e;
  font-weight: 700;
  border-bottom: 1px dashed rgba(158, 43, 30, .5);
  cursor: pointer;
}
.fs-wx::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: 100%;
  transform: translateX(-50%);
  margin-bottom: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  background: #2c2418;
  color: #fbf4e3;
  font-size: 11px;
  font-weight: 400;
  white-space: nowrap;
  opacity: 0;
  transition: .15s;
  pointer-events: none;
}
.fs-wx.is-copied { color: #2f6b49; border-bottom-color: rgba(47, 107, 73, .5); }
.fs-wx.is-copied::after { opacity: 1; }
.fs-reg-alert {
  margin: 0 0 12px; padding: 10px 12px; border-radius: 8px; font-size: .9rem;
  background: rgba(178, 58, 46, .1); border: 1px solid rgba(178, 58, 46, .38); color: #8f2a20;
}
.fs-reg-err {
  margin-top: 8px; padding: 8px 10px; border-radius: 8px; font-size: .88rem;
  background: rgba(178, 58, 46, .1); border: 1px solid rgba(178, 58, 46, .3); color: #8f2a20;
}
.fs-auth-link { margin: 14px 0 0; text-align: center; font-size: .88rem; }
.fs-auth-link a { color: var(--brand, #9e2b1e); }
.fs-auth-link a:hover { text-decoration: underline; }

/* —— 注册提示页 / 找回密码页（在 #fs-app 内） —— */
#fs-app .fs-gate { max-width: 560px; margin: 0 auto; padding: 46px 8px 54px; text-align: center; }
#fs-app .fs-gate-seal {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 12px;
  background: var(--accent); color: var(--ink-on-accent);
  display: grid; place-items: center; font-family: "Noto Serif SC", serif; font-size: 1.6rem;
  box-shadow: inset 0 0 0 2px rgba(251, 244, 227, .4);
}
#fs-app .fs-gate h1 { margin: 0 0 12px; font-size: 1.7rem; color: var(--ti); text-wrap: balance; }
#fs-app .fs-gate > p { margin: 0 0 10px; color: var(--ink-2); font-size: .98rem; }
#fs-app .fs-gate .fs-gate-sub { max-width: 44ch; margin: 0 auto 24px; color: var(--ink-3); font-size: .9rem; }
#fs-app .fs-gate-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
#fs-app .fs-gate-foot { margin: 24px 0 0; font-size: .88rem; }

#fs-app .fs-auth { max-width: 460px; margin: 0 auto; padding: 8px 0 24px; }
#fs-app .fs-auth .kicker { margin-bottom: 10px; }
#fs-app .fs-auth .section-title { font-size: 1.5rem; margin-bottom: 6px; }
#fs-app .fs-auth .section-sub { margin-bottom: 18px; font-size: .9rem; }
#fs-app .fs-auth-form { margin-top: 6px; }
#fs-app .fs-auth-form .btn { width: 100%; justify-content: center; margin-top: 8px; padding: 11px 16px; font-size: .96rem; }
#fs-app .fs-field-tip { display: block; margin-top: 4px; color: var(--ink-3); font-size: .8rem; }
#fs-app .fs-auth-foot { margin: 18px 0 0; text-align: center; font-size: .88rem; color: var(--ink-3); }
#fs-app .fs-auth-foot span { margin: 0 8px; }

/* —— 后台：邀请码面板 —— */
.fs-invite-panel { margin-top: 16px !important; }
.fs-invite-gen { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 10px 0 16px; }
.fs-invite-gen label { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--text); white-space: nowrap; }
.fs-invite-table { overflow-x: auto; max-height: 300px; overflow-y: auto; }
.fs-invite-table table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.fs-invite-table th, .fs-invite-table td { padding: 8px 10px; border-bottom: 1px solid var(--line, #e5e7eb); text-align: left; white-space: nowrap; }
.fs-invite-table th { color: var(--text-muted, #6b7280); font-weight: 600; }
.fs-invite-table code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .06em; font-size: .92rem; }
.fs-invite-table tr.is-used code { color: var(--text-subtle, #9aa1ab); text-decoration: line-through; }
.fs-copy { display: inline-block; width: auto !important; margin-left: 8px; padding: 2px 10px; font-size: .76rem; cursor: pointer; vertical-align: middle; }
.fs-tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .76rem; }
.fs-tag.free { background: rgba(63, 125, 87, .14); color: #2f6b49; }
.fs-tag.used { background: rgba(120, 120, 130, .14); color: #5a5a62; }
.fs-invite-empty { color: var(--text-muted, #6b7280); font-size: .9rem; }
@media (max-width: 640px) {
  #fs-app .fs-gate { padding: 34px 4px 40px; }
  #fs-app .fs-gate h1 { font-size: 1.4rem; }
  /* 邀请码列表在手机上改为逐行卡片，避免横向滚动 */
  .fs-invite-table { overflow-x: visible; max-height: 460px; overflow-y: auto; }
  .fs-invite-table table, .fs-invite-table tbody, .fs-invite-table tr, .fs-invite-table td { display: block; width: 100%; }
  .fs-invite-table thead { display: none; }
  .fs-invite-table tr { padding: 9px 0; border-bottom: 1px solid var(--line, #e5e7eb); }
  .fs-invite-table td { border: 0; padding: 1px 0; white-space: normal; }
  .fs-invite-table td:nth-child(4) { display: none; }
  .fs-invite-table td:nth-child(3):not(:empty) { color: var(--text-muted, #6b7280); font-size: .82rem; }
}
/* ------------------------------------------------------------------
 * 站点外壳：顶部栏 / 移动抽屉 / 页脚版权，跟随主题配色
 * 仅 body.fs-themed（插件页面）生效，不影响论坛核心的其它入口
 * ------------------------------------------------------------------ */

/* 品牌色统一为朱砂：核心组件（标签页、按钮、链接、聚焦环）跟着变，
   语义色 success 单独保留青绿，避免“成功提示变红”的误读 */
body.fs-themed {
  /* 核心变量整体换成宣纸米 + 朱砂，论坛列表 / 帖子 / 发帖页自动跟随，不必逐条改选择器 */
  --bg: #f7efdb;
  --panel: #fdfaf1;
  --line: rgba(156, 107, 47, .26);
  --line-soft: rgba(156, 107, 47, .16);
  --text: #3a3226;
  --text-muted: #6b5d47;
  --text-subtle: #8b7758;
  --text-disabled: #b9aa90;
  --inverse: #3a3226;
  --inverse-border: #4a4030;
  --brand: #9e2b1e;
  --brand-hover: #8a1f17;
  --brand-soft: rgba(158, 43, 30, .09);
  --focus-ring: #9e2b1e;
  --focus-halo: rgba(158, 43, 30, .2);
  --success: #2f6b49;
  --success-soft: rgba(47, 107, 73, .1);
  --shadow-base: rgba(122, 90, 40, .06);
  --shadow-medium: rgba(122, 90, 40, .1);
}

body.fs-themed .top,
body.fs-themed .forum-more-region {
  background-color: #f7efdb;
  background-image: radial-gradient(900px 220px at 50% -80%, rgba(201, 184, 150, .45), transparent 70%);
  border-bottom: 1px solid rgba(156, 107, 47, .3);
}

/* 品牌：朱砂字 + 太极印记（替换核心的绿色论坛图标） */
body.fs-themed .brand { color: #8a1f17 !important; letter-spacing: .06em; }
body.fs-themed .brand:before {
  border-radius: 5px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='7' fill='%239e2b1e'/%3E%3Ctext x='16' y='23.5' text-anchor='middle' font-family='Songti SC,SimSun,STSong,serif' font-size='19' fill='%23fbf4e3'%3E%E6%98%93%3C/text%3E%3C/svg%3E") center/contain no-repeat;
}

/* 版块导航 */
body.fs-themed .forum-link { color: #4a4030; }
body.fs-themed .forum-link.active { color: #8a1f17; font-weight: 700; }
body.fs-themed .forum-link:hover { background: rgba(156, 107, 47, .14); color: #8a1f17; }
body.fs-themed .forum-more-toggle { color: #4a4030; }
body.fs-themed .forum-more-toggle:hover,
body.fs-themed .forum-more-toggle[aria-expanded="true"] { background: rgba(156, 107, 47, .14); color: #8a1f17; }
body.fs-themed .forum-more-link { color: #4a4030; }
body.fs-themed .forum-more-link:hover,
body.fs-themed .forum-more-link.active { border-color: #9e2b1e; background: rgba(158, 43, 30, .08); color: #8a1f17; }

/* 搜索、菜单、头像 */
body.fs-themed .search-page-link { background: #fbf4e3; border-color: rgba(156, 107, 47, .36); color: #7a6b50; }
body.fs-themed .search-page-link:hover { border-color: #9e2b1e; color: #8a1f17; box-shadow: 0 0 0 3px rgba(158, 43, 30, .12); }
body.fs-themed .search-page-fake-input,
body.fs-themed .search-page-fake-icon { color: #7a6b50; }
body.fs-themed .mobile-menu-button { color: #4a4030; }
body.fs-themed .mobile-menu-button:hover { background: rgba(156, 107, 47, .14); color: #8a1f17; }
body.fs-themed .nav-mine { color: #4a4030 !important; }

/* 移动端抽屉 */
body.fs-themed .mobile-menu-drawer { background: #fbf4e3; }
body.fs-themed .mobile-menu-head { background: #f7efdb; border-bottom-color: rgba(156, 107, 47, .25); }
body.fs-themed .mobile-menu-link { background: rgba(156, 107, 47, .1); color: #3a3226; }
body.fs-themed .mobile-menu-link:hover { border-color: #9e2b1e; background: rgba(158, 43, 30, .08); color: #8a1f17; }

/* 整页底色对齐，避免顶栏与内容之间露出灰边 */
body.fs-themed { background: #efe3c8; min-height: 100vh; }
body.fs-app-page { background: #efe3c8; }

/* 页脚版权 */
.fs-site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 16px 34px;
  text-align: center;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .06em;
  color: #8b7758;
}
.fs-site-footer span { display: inline-block; }
body.fs-app-page .fs-site-footer { color: #7d6b4e; }
/* 登录 / 注册页：品牌色跟着主题走（只作用于这一块，不改核心全局变量） */
body.fs-themed .auth-panel,
body.fs-themed .auth-tabs {
  --brand: #9e2b1e;
  --brand-hover: #8a1f17;
  --brand-soft: rgba(158, 43, 30, .08);
  --focus-ring: #9e2b1e;
  --focus-halo: rgba(158, 43, 30, .2);
  --success: #9e2b1e;
  --success-soft: rgba(158, 43, 30, .08);
}
body.fs-themed .auth-panel {
  background: #fdfaf1;
  border-color: rgba(156, 107, 47, .28);
}
/* 移动端顶栏：核心把搜索/菜单收成图标按钮并去掉边框，这里同步收回背景 */
@media (max-width: 720px) {
  body.fs-themed .search-page-link,
  body.fs-themed .mobile-menu-button,
  body.fs-themed .nav-mine {
    background: transparent;
    border: 0;
    color: #4a4030 !important;
  }
  body.fs-themed .search-page-link:hover,
  body.fs-themed .mobile-menu-button:hover {
    background: rgba(156, 107, 47, .14);
    color: #8a1f17 !important;
    box-shadow: none;
  }
  body.fs-themed .bar .nav-mine.nav-mine-guest { background: rgba(156, 107, 47, .14); }
  body.fs-themed .bar .nav-mine.nav-mine-guest:hover { background: rgba(158, 43, 30, .12); }
}