/* ==========================================================================
   星河班 · 班级网站
   视觉语言：黑白底 · macOS 毛玻璃 · 多种艺术字体
   ========================================================================== */

@import url('fonts/fonts.css');

:root {
  --bg:        #f5f5f7;   /* 页面底色（亚光灰） */
  --bg-soft:   #ebebef;
  --card:      rgba(255, 255, 255, 0.78);
  --card-solid:#ffffff;
  --line:      rgba(0, 0, 0, 0.08);
  --line-2:    rgba(0, 0, 0, 0.12);
  --ink:       #0a0a0a;
  --ink-2:     #333336;
  --text:      #1d1d1f;
  --text-soft: #6e6e73;
  --muted:     #a1a1a6;

  --font-black: "Noto Serif SC", "Songti SC", serif;   /* 标题 */
  --font-light: "ZCOOL XiaoWei", serif;                /* 文学感标题 */
  --font-callig:"Ma Shan Zheng", "STKaiti", serif;     /* 毛笔书法 */
  --font-cursive:"Long Cang", cursive;                 /* 手写飞白 */
  --font-play: "ZCOOL KuaiLe", "SimHei", sans-serif;   /* 活泼圆体 */
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;

  --radius:    18px;
  --radius-lg: 26px;
  --radius-xl: 34px;
  --shadow:    0 2px 6px rgba(0,0,0,.04), 0 20px 48px -22px rgba(0,0,0,.24);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.02), 0 10px 28px -14px rgba(0,0,0,.14);
  --maxw:      1160px;
  --gutter:    24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-black); color: var(--ink); font-weight: 700; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: #000; color: #fff; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

/* ==========================================================================
   顶部导航（macOS 毛玻璃）
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 1px 0 rgba(0,0,0,.04), 0 8px 24px -18px rgba(0,0,0,.3); }

.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  min-height: 66px; gap: 4px 16px;
}
.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  overflow: hidden;
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--line-2);
  box-shadow: 0 4px 14px -6px rgba(0,0,0,.25);
}
.brand-mark { position: relative; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; position: relative; z-index: 2; }
.brand-mark .mark-fallback { position: absolute; inset: 0; display: grid; place-items: center; }
.brand-mark .mark-fallback svg { width: 24px; height: 24px; }

.brand-text { line-height: 1.15; }
.brand-name { font-family: var(--font-callig); font-size: 24px; color: var(--ink); letter-spacing: .06em; }
.brand-sub  { font-size: 11px; color: var(--text-soft); letter-spacing: .06em; white-space: nowrap; }

.main-nav ul { display: flex; gap: 4px; list-style: none; }
.main-nav a {
  display: block; padding: 8px 14px;
  color: var(--text-soft); font-size: 14px;
  border-radius: 999px; transition: all .2s; white-space: nowrap;
  font-family: var(--font-play);
}
.main-nav a:hover { color: var(--ink); background: rgba(0,0,0,.05); }
.main-nav a.active { color: #fff; background: #000; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); color: var(--ink); padding: 8px 12px; border-radius: 10px; font-size: 18px; cursor: pointer; }

/* 顶部导航：分组下拉 */
.main-nav { margin-left: auto; }
.main-nav > ul { align-items: center; }

/* 平铺导航：链接较多，自动换行成两行 */
.main-nav.flat-nav { min-width: 0; }
.main-nav.flat-nav > ul {
  flex-wrap: wrap; align-items: center;
  row-gap: 2px;
}

/* ---- 通用小组件：徽章 / 角色标签 / 灰字提示（供各新页面复用） ---- */
.pc-role { font-family: var(--font-play); font-size: 11.5px; color: #fff; background: #000; padding: 3px 12px; border-radius: 999px; display: inline-block; letter-spacing: .06em; white-space: nowrap; }
.muted-note { font-size: 13px; color: var(--muted); }
.badge-chip { display: inline-block; font-family: var(--font-play); font-size: 13.5px; color: var(--ink); background: var(--bg-soft); border: 1px solid var(--line-2); padding: 6px 14px; border-radius: 999px; margin: 0 8px 8px 0; }
.duty-strip { display: flex; align-items: center; gap: 12px; padding: 14px 20px; margin: 28px 0 0; }
.duty-pill { font-family: var(--font-play); font-size: 13.5px; color: var(--ink); background: var(--bg-soft); border: 1px solid var(--line-2); padding: 4px 14px; border-radius: 999px; }
.main-nav .has-sub { position: relative; }
.main-nav .has-sub > .sub-trigger {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 14px; border-radius: 999px; cursor: pointer;
  color: var(--text-soft); font-size: 14px; font-family: var(--font-play);
  transition: all .2s;
}
.main-nav .has-sub > .sub-trigger:hover { color: var(--ink); background: rgba(0,0,0,.05); }
.main-nav .has-sub.active > .sub-trigger,
.main-nav .has-sub:hover > .sub-trigger { color: var(--ink); }
.main-nav .has-sub .chev { transition: transform .2s; }
.main-nav .has-sub:hover .chev,
.main-nav .has-sub:focus .chev { transform: rotate(180deg); }
.main-nav .sub {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 168px; background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 18px 40px -22px rgba(0,0,0,.35); padding: 8px;
  opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s; z-index: 150;
}
.main-nav .has-sub:hover .sub,
.main-nav .has-sub:focus .sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.main-nav .sub a { display: block; padding: 9px 12px; border-radius: 10px; color: var(--text-soft); font-size: 13.5px; }
.main-nav .sub a:hover { background: rgba(0,0,0,.05); color: var(--ink); }
.main-nav .sub a.active { color: #fff; background: #000; }

/* 用户条 */
.user-strip { display: flex; align-items: center; gap: 9px; margin-left: 10px; }
.user-strip .us-item { font-size: 13px; white-space: nowrap; }
.user-strip .us-name { font-family: var(--font-callig); font-size: 16px; color: var(--ink); }
.user-strip .us-role { font-family: var(--font-play); font-size: 11.5px; color: #fff; background: #000; padding: 3px 10px; border-radius: 999px; }
.user-strip .us-link { color: var(--text-soft); border: 1px solid var(--line-2); padding: 6px 12px; border-radius: 999px; transition: all .2s; }
.user-strip .us-link:hover { border-color: var(--ink); color: var(--ink); }
.user-strip .us-admin { background: #0a0a0a; color: #fff; border-color: #0a0a0a; font-weight: 600; }
.user-strip .us-admin:hover { background: #000; color: #fff; }
.user-strip .us-btn { background: none; border: 1px solid var(--line-2); color: var(--text-soft); padding: 6px 12px; border-radius: 999px; cursor: pointer; font-size: 13px; font-family: var(--font-body); transition: all .2s; }
.user-strip .us-btn:hover { border-color: var(--ink); color: var(--ink); }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer { background: #0a0a0a; color: rgba(255,255,255,.7); padding: 56px 0 32px; margin-top: 84px; position: relative; overflow: hidden; }
.site-footer::before { content:""; position:absolute; top:0; left:0; right:0; height:2px; background: linear-gradient(90deg, transparent, #fff 30%, #fff 70%, transparent); opacity:.18; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand .brand-mark { width: 38px; height: 38px; background:#1a1a1c; border-color: rgba(255,255,255,.15); }
.footer-brand .brand-name { color:#fff; font-size: 21px; }
.footer-desc { font-size: 13.5px; color: rgba(255,255,255,.5); max-width: 360px; }
.footer-col h4 { color:#fff; font-size: 15px; margin-bottom: 14px; letter-spacing:.05em; font-family: var(--font-play); }
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: 13.5px; color: rgba(255,255,255,.55); transition: color .2s; }
.footer-col a:hover { color:#fff; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.14); margin-top:40px; padding-top:20px; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; font-size:12.5px; color:rgba(255,255,255,.45); }

/* 页脚：反馈入口（显眼） */
.feedback-bar { border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 16px 20px; margin-bottom: 34px; background: rgba(255,255,255,.04); }
.feedback-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.fb-label { font-family: var(--font-play); color: #fff; font-size: 14px; letter-spacing: .04em; white-space: nowrap; }
.fb-mail { color: #fff; font-size: 13px; text-decoration: underline; text-underline-offset: 3px; word-break: break-all; }
.fb-mail:hover { color: #ffd977; }
.fb-github {
  flex: none; color: #0a0a0a; background: #fff; font-size: 13px; font-weight: 700;
  padding: 8px 18px; border-radius: 999px; text-decoration: none; white-space: nowrap;
  transition: transform .15s, box-shadow .15s;
}
.fb-github:hover { transform: translateY(-1px); box-shadow: 0 8px 18px -8px rgba(255,255,255,.4); }

/* ==========================================================================
   板块通用
   ========================================================================== */
.section { padding: 74px 0; }
.section.alt { background: var(--bg-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head.align-center { margin-left:auto; margin-right:auto; text-align:center; }

.eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-play); font-size:13px; letter-spacing:.2em;
  color: var(--muted); font-weight:400; text-transform:uppercase;
  margin-bottom: 12px;
}
.eyebrow::before { content:""; width: 22px; height:1px; background: var(--ink); }
.align-center .eyebrow::after { content:""; width: 22px; height:1px; background: var(--ink); }

.section-title { font-family: var(--font-light); font-weight:400; font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 14px; }
.section-sub { color: var(--text-soft); font-size: 15px; }

.rule { display:flex; align-items:center; gap:10px; margin: 20px 0 0; }
.rule .bar { width: 6px; height: 2px; background: var(--ink); border-radius:2px; }

/* 飞白点缀字 */
.callig-accent {
  font-family: var(--font-cursive); font-size: 60px; color: var(--ink);
  opacity:.92; line-height:1; display:inline-block;
}

/* ==========================================================================
   macOS 窗口元素
   ========================================================================== */
.win-tl { display:flex; gap:7px; }
.win-tl i { width:12px; height:12px; border-radius:50%; display:inline-block; box-shadow: inset 0 0 0 .5px rgba(0,0,0,.18); }
.win-tl .r { background:#ff5f57; } .win-tl .y{ background:#febc2e; } .win-tl .g{ background:#28c840; }

/* macOS 风格卡片（毛玻璃） */
.glass-card {
  background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), var(--shadow-sm);
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   首页 Hero（黑）
   ========================================================================== */
.hero {
  position:relative; color:#fff;
  background:
    radial-gradient(1000px 500px at 15% -10%, rgba(60,60,64,.5), transparent 55%),
    radial-gradient(700px 420px at 95% 15%, rgba(255,255,255,.06), transparent 55%),
    #0a0a0a;
  overflow:hidden; padding: 108px 0 96px;
}
#starfield { position:absolute; inset:0; width:100%; height:100%; }
.hero-inner { position:relative; z-index:2; display:grid; grid-template-columns: 1.1fr .9fr; gap:48px; align-items:center; }

.hero-kicker {
  display:inline-flex; align-items:center; gap:10px; font-family: var(--font-play);
  font-size:13px; letter-spacing:.12em; color:#c7c7cc;
  background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14);
  padding:8px 16px; border-radius:999px; margin-bottom:26px;
}
.hero-kicker svg { width:15px; height:15px; }

.hero-title { font-family: var(--font-black); font-weight:900; font-size: clamp(36px, 6vw, 62px); color:#fff; line-height:1.15; margin-bottom:12px; letter-spacing:.01em; }
.hero-title .accent { font-family: var(--font-callig); font-weight:400; color:#fff; white-space:nowrap; }
.hero-slogan { font-family: var(--font-callig); font-size: clamp(22px, 3vw, 30px); color:#d2d2d7; margin-bottom:22px; letter-spacing:.06em; }

.hero-desc { color:rgba(255,255,255,.72); font-size:16.5px; max-width:520px; margin-bottom:32px; }

.hero-actions { display:flex; gap:14px; flex-wrap:wrap; }
.btn { display:inline-flex; align-items:center; gap:10px; padding:13px 26px; border-radius:999px; font-size:15px; font-weight:600; transition: transform .2s, box-shadow .2s, background .2s; font-family: var(--font-body); }
.btn svg { width:17px; height:17px; }
.btn-primary { background:#fff; color:#0a0a0a; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(255,255,255,.5); }
.btn-ghost { background: rgba(255,255,255,.1); color:#fff; border:1px solid rgba(255,255,255,.28); }
.btn-ghost:hover { transform: translateY(-2px); background: rgba(255,255,255,.16); }

/* Hero 右侧视觉 —— 一张 mac 风格「星卡」 */
.hero-visual { position:relative; }
.hero-card {
  background: linear-gradient(160deg, #17171a, #0e0e10);
  border:1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 26px 26px 30px;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.8);
  position:relative; overflow:hidden;
}
.hero-card::before { content:""; position:absolute; inset:0; background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1.3px); background-size:24px 24px; opacity:.5; }
.hero-card .cap { display:flex; align-items:center; gap:10px; position:relative; margin-bottom:20px; color:#8e8e93; font-size:12px; letter-spacing:.06em; font-family: var(--font-play); }
.hero-orbit { position:relative; width: 300px; height:300px; margin:0 auto; }
.hero-orbit .track { position:absolute; inset:0; border:1px dashed rgba(255,255,255,.22); border-radius:50%; animation: spin 40s linear infinite; }
.hero-orbit .m0 { position:absolute; top:-10px; left:50%; transform:translateX(-50%); font-size:20px; color:#fff; animation: twinkle 2.6s ease-in-out infinite; }
.hero-orbit .m1 { position:absolute; bottom:22px; left:-14px; font-size:17px; color:#d2d2d7; animation: twinkle 2.6s ease-in-out infinite .7s; }
.hero-orbit .m2 { position:absolute; top:38%; right:-16px; font-size:18px; color:#fff; animation: twinkle 2.6s ease-in-out infinite 1.3s; }
.hero-core { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; text-align:center; }
.hero-core img { width:88px; height:88px; object-fit:contain; margin-bottom:8px; filter: drop-shadow(0 6px 20px rgba(255,255,255,.25)); }
.hero-core .cn { font-family: var(--font-callig); font-size:40px; letter-spacing:.22em; color:#fff; }

/* macOS 底部 Dock 趣味元素 */
.hero-dock { display:flex; justify-content:center; gap:20px; margin-top:26px; position:relative; }
.hero-dock span { width:44px; height:44px; border-radius:12px; background:#26262a; border:1px solid rgba(255,255,255,.12); display:grid; place-items:center; font-size:18px; transition: transform .2s; }
.hero-dock span:hover { transform: translateY(-6px) scale(1.06); }

@keyframes spin { to { transform: rotate(360deg);} }
@keyframes twinkle { 0%,100%{opacity:.25; transform:scale(.9);} 50%{opacity:1; transform:scale(1.12);} }

/* ==========================================================================
   速览卡片
   ========================================================================== */
.stats { position:relative; z-index:3; margin-top:-54px; }
.stats-grid { display:grid; grid-template-columns: repeat(4,1fr); gap:18px; }
.stat-card { background:#fff; border-radius: var(--radius); padding:24px 22px; box-shadow: var(--shadow-sm); border:1px solid var(--line); text-align:center; }
.stat-num { font-family: var(--font-black); font-weight:900; font-size:38px; color:var(--ink); }
.stat-num .unit { font-family: var(--font-callig); font-size:18px; color:var(--text-soft); }
.stat-label { font-size:13.5px; color:var(--text-soft); margin-top:4px; }

/* 卡片网格 */
.card-grid { display:grid; gap:22px; }

/* 新闻卡片 */
.news-grid { grid-template-columns: repeat(3,1fr); }
.card-news { background:#fff; border-radius: var(--radius); overflow:hidden; border:1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.card-news:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-news .thumb { aspect-ratio:16/10; overflow:hidden; }
.card-news .thumb img { width:100%; height:100%; object-fit:cover; transition: transform .5s; }
.card-news:hover .thumb img { transform: scale(1.06); }
.card-news .body { padding:20px 22px 22px; }
.news-date { display:inline-flex; align-items:center; gap:6px; font-size:12.5px; color:var(--text-soft); margin-bottom:10px; }
.news-date svg { width:14px; height:14px; }
.card-news h3 { font-family: var(--font-light); font-weight:400; font-size:19px; margin-bottom:8px; }
.card-news p { font-size:14px; color:var(--text-soft); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.card-news .more-link { display:inline-flex; align-items:center; gap:6px; margin-top:14px; font-size:13.5px; font-weight:600; color:var(--ink); transition: gap .2s; }
.card-news .more-link:hover { gap:10px; }
.card-news .more-link svg { width:15px; height:15px; }

/* 板块导引 */
.quick-links { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.quick-link { position:relative; border-radius: var(--radius-lg); overflow:hidden; min-height:220px; display:flex; align-items:flex-end; padding:24px; color:#fff; transition: transform .25s, box-shadow .25s; border:1px solid var(--line); }
.quick-link:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.quick-link img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.05); }
.quick-link::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, transparent 25%, rgba(0,0,0,.82)); }
.quick-link .ql-text { position:relative; z-index:2; }
.quick-link h3 { color:#fff; font-family: var(--font-callig); font-weight:400; font-size:26px; margin-bottom:4px; }
.quick-link p { font-size:13px; color:rgba(255,255,255,.75); }
.quick-link .ql-arrow { position:relative; z-index:2; margin-left:auto; font-size:22px; color:#fff; transition: transform .25s; }
.quick-link:hover .ql-arrow { transform: translateX(6px); }

/* ==========================================================================
   内页 Hero
   ========================================================================== */
.page-hero { position:relative; color:#fff; background:#0a0a0a; padding:88px 0 62px; text-align:center; overflow:hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background-image: radial-gradient(rgba(255,255,255,.13) 1px, transparent 1.4px); background-size:26px 26px; opacity:.4; -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 25%, transparent 78%); mask-image: radial-gradient(circle at 50% 30%, #000 25%, transparent 78%); }
.page-hero .container { position:relative; z-index:2; }
.page-hero .eyebrow { color:#c7c7cc; }
.page-hero .eyebrow::before { background:#fff; }
.page-hero h1 { color:#fff; font-family: var(--font-light); font-weight:400; font-size: clamp(32px, 5vw, 46px); margin-bottom:14px; }
.page-hero .sub { color:rgba(255,255,255,.72); font-size:15.5px; max-width:560px; margin:0 auto; }
.crumbs { font-size:13px; color:rgba(255,255,255,.6); margin-bottom:18px; letter-spacing:.04em; }
.crumbs a:hover { color:#fff; }
.crumbs .sep { margin:0 8px; color:rgba(255,255,255,.35); }

/* 口号 */
.motto { background:#0a0a0a; color:#fff; border-radius: var(--radius-xl); padding:52px 40px; text-align:center; position:relative; overflow:hidden; }
.motto::before { content:""; position:absolute; top:24px; left:30px; width:12px; height:12px; background:#fff; opacity:.3; transform:rotate(45deg); border-radius:2px; }
.motto::after { content:""; position:absolute; bottom:24px; right:34px; width:9px; height:9px; background:#fff; opacity:.25; transform:rotate(45deg); border-radius:2px; }
.motto .motto-label { font-family: var(--font-play); font-size:13px; letter-spacing:.24em; color:#c7c7cc; margin-bottom:20px; }
.motto h2 { color:#fff; font-family: var(--font-callig); font-weight:400; font-size: clamp(28px, 4.2vw, 42px); line-height:1.5; margin-bottom:6px; }
.motto .motto-sub { color:rgba(255,255,255,.6); margin-top:4px; letter-spacing:.1em; }

/* 班级概况 */
.info-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.info-card { background:#fff; border-radius: var(--radius); padding:30px 26px; border:1px solid var(--line); box-shadow: var(--shadow-sm); }
.info-card .ic-icon { width:52px; height:52px; border-radius:14px; display:grid; place-items:center; margin-bottom:18px; background:var(--bg); }
.info-card .ic-icon svg { width:26px; height:26px; stroke: var(--ink); }
.info-card h3 { font-family: var(--font-light); font-weight:400; font-size:20px; margin-bottom:10px; }
.info-card p { font-size:14.5px; color:var(--text-soft); }
.info-card .ic-row { display:flex; justify-content:space-between; font-size:14px; padding:8px 0; border-bottom:1px dashed var(--line-2); }
.info-card .ic-row:last-child { border-bottom:0; }
.info-card .ic-row span:first-child { color:var(--text-soft); font-family: var(--font-play); }
.info-card .ic-row b { color:var(--ink); font-weight:600; }

/* 成员卡片 */
.people-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.person-card { background:#fff; border-radius: var(--radius); overflow:hidden; border:1px solid var(--line); transition: transform .25s, box-shadow .25s; text-align:center; }
.person-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.person-card .avatar { aspect-ratio:1; overflow:hidden; position:relative; }
.person-card .avatar img { width:100%; height:100%; object-fit:cover; }
.avatar-init { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-family: var(--font-light); font-size:56px; color:#fff; }
.avatar-init i { position:absolute; inset:0; background: linear-gradient(150deg,#333336,#0a0a0a); z-index:-1; }
.avatar-init i::after { content:""; position:absolute; top:-20%; right:-10%; width:55%; height:55%; background: radial-gradient(circle, rgba(255,255,255,.22), transparent 70%); }
.avatar-init img { width:100%; height:100%; object-fit:cover; }
.person-card .pc-body { padding:16px 14px 20px; }
.person-card .pc-role { font-family: var(--font-play); font-size:11.5px; color:#fff; background:#000; padding:3px 12px; border-radius:999px; display:inline-block; margin-bottom:8px; letter-spacing:.06em; }
.person-card h3 { font-family: var(--font-callig); font-weight:400; font-size:22px; margin-bottom:2px; }
.person-card .pc-meta { font-size:12.5px; color:var(--muted); }

/* ==========================================================================
   相册
   ========================================================================== */
.album-filter { display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-bottom:36px; }
.filter-chip { padding:9px 20px; border-radius:999px; border:1px solid var(--line-2); background:#fff; color:var(--text-soft); font-size:14px; cursor:pointer; transition: all .2s; font-family: var(--font-body); }
.filter-chip:hover { border-color:var(--ink); color:var(--ink); }
.filter-chip.active { background:#000; color:#fff; border-color:#000; }

.gallery-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.gallery-item { position:relative; border-radius: var(--radius); overflow:hidden; cursor:pointer; aspect-ratio:4/3; border:1px solid var(--line); }
.gallery-item.tall { grid-row:span 2; aspect-ratio:auto; }
.gallery-item img { width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.04); transition: filter .4s, transform .5s; }
.gallery-item:hover img { transform: scale(1.06); filter:grayscale(0); }
.gallery-item .cap { position:absolute; left:0; right:0; bottom:0; padding:40px 16px 12px; background: linear-gradient(transparent, rgba(0,0,0,.85)); color:#fff; font-size:13.5px; opacity:0; transform:translateY(6px); transition: opacity .25s, transform .25s; z-index:2; font-family: var(--font-light); }
.gallery-item:hover .cap { opacity:1; transform:none; }
.gallery-item .album-tag { position:absolute; top:12px; left:12px; background:rgba(0,0,0,.72); color:#fff; font-size:11.5px; padding:4px 10px; border-radius:999px; z-index:2; backdrop-filter:blur(4px); font-family: var(--font-play); }

/* 公开相册：上传者 / 名称 / 管理 */
.gallery-item.gb-item { z-index: 1; }
.gallery-item.gb-item img { position:absolute; inset:0; width:100%; height:100%; }
.gb-up, .gb-op { font-family: var(--font-play); }
.gb-up { position:absolute; top:10px; left:10px; z-index:3; background:rgba(0,0,0,.68); color:#fff; font-size:11px; padding:3px 9px; border-radius:999px; backdrop-filter:blur(4px); max-width:78%; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.gb-cap { position:absolute; left:0; right:0; bottom:0; z-index:2; padding:32px 12px 9px; background:linear-gradient(transparent, rgba(0,0,0,.82)); color:#fff; font-size:13px; font-family: var(--font-light); text-shadow:0 1px 2px rgba(0,0,0,.4); }
.gb-ops { position:absolute; top:8px; right:8px; z-index:4; display:flex; gap:6px; }
.gb-op { background:rgba(255,255,255,.92); color:#0a0a0a; border:none; font-size:11.5px; padding:5px 10px; border-radius:999px; cursor:pointer; box-shadow:0 2px 8px rgba(0,0,0,.28); }
.gb-op:hover { background:#fff; }
.gb-op.gb-del { background:rgba(220,38,38,.92); color:#fff; }
.gallery-item.gb-item:hover .gb-cap { transform:none; opacity:1; }

/* 编辑部：星河小报合集卡片 */
.xb-link { flex:1; min-width:240px; cursor:pointer; text-decoration:none; transition: transform .18s, box-shadow .18s, border-color .18s; }
.xb-link:hover { transform: translateY(-3px); border-color:#000; }
.xb-badge { display:inline-block; background:#000; color:#fff; font-size:11px; font-family:var(--font-play); padding:3px 10px; border-radius:999px; margin-bottom:10px; }
.xb-name { display:block; font-size:18px; color:var(--ink); font-family:var(--font-light); margin-bottom:6px; }

.lightbox { position:fixed; inset:0; background:rgba(0,0,0,.92); display:none; align-items:center; justify-content:center; z-index:200; padding:24px; }
.lightbox.open { display:flex; }
.lightbox img { max-width:92vw; max-height:84vh; border-radius:14px; }
.lightbox .lb-cap { position:absolute; bottom:28px; left:0; right:0; text-align:center; color:#fff; font-size:14px; }
.lightbox .lb-close { position:absolute; top:20px; right:24px; background:none; border:none; color:#fff; font-size:34px; cursor:pointer; line-height:1; }
.lightbox .lb-prev,.lightbox .lb-next { position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.25); color:#fff; width:46px; height:46px; border-radius:50%; font-size:20px; cursor:pointer; transition: background .2s; }
.lightbox .lb-prev { left:22px; } .lightbox .lb-next { right:22px; }
.lightbox .lb-prev:hover,.lightbox .lb-next:hover { background:rgba(255,255,255,.24); }

/* ==========================================================================
   荣誉
   ========================================================================== */
.honor-grid { display:grid; gap:22px; }
.honor-card { display:flex; align-items:center; gap:20px; background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:24px; box-shadow: var(--shadow-sm); transition: transform .2s; }
.honor-card:hover { transform: translateY(-4px); }
.honor-medal { width:64px; height:64px; flex:none; border-radius:16px; display:grid; place-items:center; font-size:28px; background:var(--bg); border:1px solid var(--line-2); }
.honor-body { flex:1; }
.honor-body h3 { font-family: var(--font-light); font-weight:400; font-size:19px; margin-bottom:4px; }
.honor-body .honor-meta { font-size:13px; color:var(--text-soft); }
.podium { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.podium-item { background:#fff; border-radius: var(--radius); border:1px solid var(--line); padding:28px; text-align:center; box-shadow: var(--shadow-sm); }
.podium-item b { display:block; font-family: var(--font-light); font-weight:400; font-size:22px; color:var(--ink); }

/* 每月之星 */
.month-ly .card-news { text-align:center; }

/* 时间线 */
.timeline { position:relative; max-width:720px; margin:0 auto; padding-left:30px; }
.timeline::before { content:""; position:absolute; left:9px; top:6px; bottom:6px; width:2px; background:linear-gradient(#000, var(--muted)); opacity:.35; }
.timeline-item { position:relative; margin-bottom:30px; }
.timeline-item::before { content:""; position:absolute; left:-24px; top:8px; width:12px; height:12px; border-radius:50%; background:#000; box-shadow:0 0 0 4px rgba(0,0,0,.12); }
.timeline-item .tl-date { font-family: var(--font-play); font-size:12.5px; color:var(--text-soft); letter-spacing:.06em; }
.timeline-item h3 { font-family: var(--font-light); font-weight:400; font-size:18px; margin-bottom:4px; }
.timeline-item p { font-size:14px; color:var(--text-soft); }

/* ==========================================================================
   作品
   ========================================================================== */
.work-grid { grid-template-columns: repeat(3,1fr); }
.work-card { border-radius: var(--radius); overflow:hidden; background:#fff; border:1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.work-card .thumb { aspect-ratio:4/3; overflow:hidden; }
.work-card .thumb img { width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.04); transition: filter .4s, transform .5s; }
.work-card:hover .thumb img { transform:scale(1.06); filter:grayscale(0); }
.work-card .body { padding:16px 18px 18px; }
.work-card .body h3 { font-family: var(--font-callig); font-weight:400; font-size:19px; margin-bottom:4px; }
.work-card .body p { font-size:13.5px; color:var(--text-soft); }
.work-card .body .tag { display:inline-block; margin-top:10px; font-size:12px; color:#fff; background:#000; padding:3px 12px; border-radius:999px; font-family: var(--font-play); }

/* ==========================================================================
   新闻正文
   ========================================================================== */
.article { max-width:760px; margin:0 auto; background:#fff; border-radius: var(--radius-lg); border:1px solid var(--line); box-shadow: var(--shadow-sm); padding:44px 48px; }
.article .article-head { margin-bottom:26px; }
.article h1 { font-family: var(--font-light); font-weight:400; font-size: clamp(25px, 3.8vw, 33px); margin-bottom:14px; }
.article .article-meta { display:flex; gap:18px; flex-wrap:wrap; font-size:13px; color:var(--text-soft); }
.article .article-meta span { display:inline-flex; align-items:center; gap:6px; }
.article .article-meta svg { width:15px; height:15px; }
.article .article-cover { border-radius:14px; overflow:hidden; margin:26px 0; }
.article .article-cover img { filter:grayscale(1) contrast(1.03); }
.article p { font-size:16px; color:var(--text); margin-bottom:18px; }
.article h3 { font-family: var(--font-light); font-weight:400; font-size:22px; margin:28px 0 14px; }
.article blockquote { border-left:3px solid #000; background:var(--bg); padding:14px 20px; margin:20px 0; border-radius:0 10px 10px 0; color:var(--text-soft); }
.article ul { margin:0 0 18px 22px; }
.article li { font-size:15.5px; margin-bottom:8px; }

/* 分页 */
.pagination { display:flex; gap:8px; justify-content:center; margin-top:44px; }
.pagination a,.pagination span { min-width:40px; height:40px; display:grid; place-items:center; border-radius:10px; border:1px solid var(--line-2); background:#fff; font-size:14px; color:var(--text-soft); }
.pagination a:hover { border-color:var(--ink); color:var(--ink); }
.pagination span.active { background:#000; color:#fff; border-color:#000; }

/* ==========================================================================
   登录页 / 经济系统（操行银行）
   ========================================================================== */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 48px var(--gutter); }

/* 密码显示 / 隐藏切换 */
.pw-wrap { position: relative; }
.pw-wrap input[type="password"], .pw-wrap input[type="text"] { width: 100%; padding-right: 42px; }
.pw-eye {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border: 0; background: transparent; cursor: pointer;
  display: grid; place-items: center; color: var(--muted);
  border-radius: 8px; transition: color .15s, background .15s;
}
.pw-eye:hover { color: var(--ink); background: rgba(0,0,0,.05); }

/* 文字点选人机验证 */
.textpick { margin: 4px 0 14px; border: 1px solid var(--line-2); border-radius: var(--radius); padding: 12px; background: #fff; }
.tp-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.tp-title { font-family: var(--font-play); font-size: 12px; letter-spacing: .06em; color: var(--ink); white-space: nowrap; }
.tp-tip { font-size: 13px; color: var(--text-soft); text-align: right; line-height: 1.5; }
.tp-tip b { color: var(--ink); font-weight: 700; margin: 0 1px; }
.tp-stage { border-radius: 10px; overflow: hidden; }
.tp-canvas { width: 100%; height: auto; display: block; cursor: pointer; background: #f4f4f6; }
.tp-state { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 8px; }
.tp-refresh {
  font-size: 12.5px; color: var(--ink); cursor: pointer;
  border: 1px solid var(--line-2); background: #fafafa;
  padding: 5px 14px; border-radius: 999px; font-family: var(--font-body);
  transition: background .15s, border-color .15s; flex: none;
}
.tp-refresh:hover { background: #000; color: #fff; border-color: #000; }
.tp-msg { font-size: 12.5px; min-height: 18px; }
.tp-msg.ok { color: #1a7a3a; }
.tp-msg.err { color: #b30000; }
.textpick.shake { animation: tpshake .4s; }
@keyframes tpshake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }
.auth-card { width: 100%; max-width: 460px; background: var(--card-solid); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 44px 40px; }
.auth-card .win-tl { margin-bottom: 22px; }
.auth-logo { width: 64px; height: 64px; border-radius: 16px; overflow: hidden; margin: 0 auto 18px; border: 1px solid var(--line); }
.auth-logo img { width: 100%; height: 100%; object-fit: cover; }
.auth-title { font-family: var(--font-light); font-weight: 400; font-size: 28px; text-align: center; margin-bottom: 6px; }
.auth-sub { text-align: center; font-size: 13.5px; color: var(--text-soft); margin-bottom: 30px; }
.auth-note { text-align:center; font-size: 12.5px; line-height: 1.75; color: var(--text-soft); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 18px; }

.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; color: var(--text-soft); margin-bottom: 7px; font-family: var(--font-play); letter-spacing: .04em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 15px; font-size: 15px;
  border: 1px solid var(--line-2); border-radius: 12px;
  background: #fff; color: var(--text); font-family: var(--font-body);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: #000; box-shadow: 0 0 0 3px rgba(0,0,0,.07);
}
.field .hint { font-size: 12px; color: var(--muted); margin-top: 5px; }

.btn-block { width: 100%; justify-content: center; background: #000; color: #fff; border: none; cursor: pointer; font-family: var(--font-body); font-weight: 600; }
.btn-block:hover { background: #1d1d1f; }
.btn-block:disabled { opacity: .5; cursor: not-allowed; }
.btn-outline { background: #fff; color: #000; border: 1px solid var(--line-2); cursor: pointer; font-weight: 600; }
.btn-outline:hover { background: var(--bg); }

.auth-error { background: #fff0f0; color: #b30000; border: 1px solid #ffd6d6; border-radius: 10px; padding: 10px 14px; font-size: 13.5px; margin-bottom: 16px; display: none; }
.auth-error.show { display: block; }
.auth-switch { text-align: center; font-size: 13px; color: var(--text-soft); margin-top: 20px; }
.auth-switch a { color: #000; font-weight: 600; }

/* 身份选择卡片 */
.id-card { display: block; position: relative; border: 1px solid var(--line); background: var(--card-solid); border-radius: var(--radius-lg); padding: 18px 20px; transition: transform .2s, box-shadow .2s, border-color .2s; text-decoration: none; color: inherit; }
.id-card:hover { transform: translateY(-3px); border-color: #000; box-shadow: var(--shadow); }
.id-badge { display: inline-block; font-family: var(--font-play); font-size: 11px; color: #fff; background: #000; padding: 3px 11px; border-radius: 999px; letter-spacing: .05em; margin-bottom: 12px; }
.id-name { display: block; font-family: var(--font-light); font-size: 20px; color: var(--ink); margin-bottom: 5px; }
.id-desc { display: block; font-size: 13.5px; color: var(--text-soft); line-height: 1.6; }
.id-back { display: block; text-align: center; font-size: 13px; color: var(--text-soft); margin-top: 18px; }
.id-back a { color: #000; font-weight: 600; }

/* 顶部用户条（登录后） */
.userbar { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--text-soft); }
.userbar .u-name { color: var(--ink); font-weight: 600; }
.userbar .u-role { font-size: 11px; padding: 2px 9px; border-radius: 999px; background: var(--bg); color: var(--text-soft); }
.userbar .u-name { font-family: var(--font-play); }
.userbar button { border: 1px solid var(--line-2); background: #fff; border-radius: 999px; padding: 6px 14px; font-size: 12.5px; cursor: pointer; }
.userbar button:hover { background: var(--bg); }

/* 工具页通用 */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 26px; }
.toolbar .meta { font-size: 13px; color: var(--text-soft); }
.toolbar .meta b { color: var(--ink); font-weight: 600; }

/* 排行榜 */
.rank-table-wrap { background: var(--card-solid); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; }
.rank-table { width: 100%; border-collapse: collapse; }
.rank-table th, .rank-table td { padding: 14px 18px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line); }
.rank-table thead th { background: var(--bg); font-family: var(--font-play); font-size: 12.5px; letter-spacing: .05em; color: var(--text-soft); font-weight: 400; }
.rank-table tbody tr:last-child td { border-bottom: none; }
.rank-table tbody tr { transition: background .15s; cursor: pointer; }
.rank-table tbody tr:hover { background: var(--bg); }

.rank-badge { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; font-family: var(--font-black); font-weight: 700; font-size: 14px; color: var(--text-soft); background: var(--bg); }
.rank-badge.top1 { background: #000; color: #fff; }
.rank-badge.top2 { background: #333; color: #fff; }
.rank-badge.top3 { background: #666; color: #fff; }
.rank-name { font-weight: 600; color: var(--ink); }
.rank-name .sub { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.rank-score { font-family: var(--font-black); font-weight: 700; font-size: 16px; color: var(--ink); }
.rank-score.neg { color: #b30000; }

/* 编辑弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; z-index: 300; padding: 20px; }
.modal-mask.open { display: flex; }
.modal { width: 100%; max-width: 440px; background: #fff; border-radius: var(--radius-lg); box-shadow: 0 40px 90px -30px rgba(0,0,0,.6); padding: 32px 30px; }
.modal .m-title { font-family: var(--font-light); font-weight: 400; font-size: 22px; margin-bottom: 6px; }
.modal .m-sub { font-size: 13.5px; color: var(--text-soft); margin-bottom: 22px; }

/* 兑换卡片 */
.redeem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.panel { background: var(--card-solid); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 26px 24px; }
.panel h3 { font-family: var(--font-light); font-weight: 400; font-size: 19px; margin-bottom: 16px; }
.redeem-item { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-bottom: 1px dashed var(--line); }
.redeem-item:last-child { border-bottom: none; }
.redeem-item .ri-ic { width: 44px; height: 44px; border-radius: 12px; background: var(--bg); display: grid; place-items: center; font-size: 22px; flex: none; }
.redeem-item .ri-body { flex: 1; }
.redeem-item .ri-body b { font-size: 15px; color: var(--ink); }
.redeem-item .ri-body .ri-cost { font-size: 12.5px; color: var(--text-soft); }
.chip-status { font-size: 11px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.chip-status.pending { background: #fff4e0; color: #b36b00; }
.chip-status.approved { background: #e8f7ec; color: #0a7a2f; }
.chip-status.rejected { background: #fff0f0; color: #b30000; }

/* 图表 */
.chart-card { background: var(--card-solid); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 26px 24px; }
.chart-card h3 { font-family: var(--font-light); font-weight: 400; font-size: 18px; margin-bottom: 18px; }
.chart-canvas { width: 100%; height: 300px; }

/* 分段按钮（周期切换） */
.seg-btn { padding: 8px 20px; border-radius: 999px; border: 1px solid var(--line-2); background: #fff; color: var(--text-soft); font-size: 13.5px; cursor: pointer; font-family: var(--font-body); transition: all .2s; }
.seg-btn:hover { border-color: var(--ink); color: var(--ink); }
.seg-btn.active { background: #000; color: #fff; border-color: #000; }
/* 批量评分选择 chips */
.batch-chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border: 1px solid var(--line-2); border-radius: 999px; background: #fff; font-size: 13px; cursor: pointer; font-family: var(--font-body); color: var(--text-soft); transition: all .2s; }
.batch-chip.selected { background: #000; color: #fff; border-color: #000; }
/* 明星榜卡片 */
.star-card { display: flex; flex-direction: column; gap: 2px; padding: 14px 16px; background: var(--bg-soft); border: 1px solid var(--line-2); border-radius: var(--radius-md); }
.star-card .sc-rank { font-family: var(--font-black); font-size: 22px; font-weight: 700; }
.star-card .sc-name { font-size: 15px; font-weight: 600; }
.star-card .sc-score { font-size: 13px; color: var(--text-soft); }
.star-card.gold { background: #fffdf0; border-color: #e6c766; }
.star-card.silver { background: #f7f7f7; border-color: #ccc; }
.star-card.bronze { background: #fbf4eb; border-color: #d8b48c; }

/* ==========================================================================
   入场动画
   ========================================================================== */
.reveal { opacity:0; transform:translateY(24px); transition: opacity .7s, transform .7s; }
.reveal.visible { opacity:1; transform:none; }

@media (max-width: 960px) {
  .redeem-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:960px) {
  .hero-inner { grid-template-columns:1fr; text-align:center; }
  .hero-desc { margin-left:auto; margin-right:auto; }
  .hero-actions { justify-content:center; }
  .hero-visual { display:none; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .news-grid,.work-grid,.quick-links,.info-cards { grid-template-columns:repeat(2,1fr); }
  .people-grid { grid-template-columns:repeat(3,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }

  .main-nav { position:fixed; top:66px; left:0; right:0; background:rgba(255,255,255,.92); backdrop-filter:blur(20px); padding:12px var(--gutter) 20px; transform: translateY(-130%); transition: transform .3s; border-bottom:1px solid var(--line); }
  .main-nav.open { transform:none; }
  .main-nav ul { flex-direction:column; gap:4px; }
  .main-nav a { padding:13px 16px; }
  .nav-toggle { display:inline-flex; align-items:center; justify-content:center; width:42px; height:42px; }

  /* 移动端：主导航退化为纵向面板 */
  .main-nav .has-sub { position: static; }
  .main-nav .has-sub > .sub-trigger { padding:13px 16px; border-radius:0; }
  .main-nav .has-sub > .sub-trigger:hover { background:none; }
  .main-nav .has-sub .chev { display:none; }
  .main-nav .sub {
    position: static; transform:none; opacity:1; visibility:visible;
    min-width:0; box-shadow:none; border:none; border-left:2px solid var(--line-2);
    margin:2px 0 6px 18px; padding:2px 0; border-radius:0;
  }
  .main-nav .sub a { padding:11px 16px; border-radius:8px; }
  .user-strip { margin-left:0; }
}
@media (max-width:600px) {
  .section { padding:54px 0; }
  .news-grid,.work-grid,.quick-links,.info-cards { grid-template-columns:1fr; }
  .people-grid { grid-template-columns:repeat(2,1fr); }
  .gallery-grid { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr; }
  .article { padding:28px 22px; }
  .brand-sub { display:none; }
}

/* ==========================================================================
   移动端深度适配（平板 / 手机 / 折叠屏 · macOS 观感）
   大部分访问来自手机端：iOS / HarmonyOS / Android，需极致体验。
   ========================================================================== */
:root {
  --sat: env(safe-area-inset-top);
  --sab: env(safe-area-inset-bottom);
  --sal: env(safe-area-inset-left);
  --sar: env(safe-area-inset-right);
}

/* ---- 触控设备通用：目标 ≥ 44px，禁止长按菜单/双击缩放 ---- */
@media (hover: none), (pointer: coarse) {
  a, button, .btn, .quick-link, .filter-chip, .nav-toggle, input, select, textarea { touch-action: manipulation; }
  button, .btn { min-height: 44px; }
  .main-nav a { padding-top: 14px; padding-bottom: 14px; }
  /* 防 iOS/iPad 聚焦时自动放大页面 */
  input[type="text"], input[type="password"], input[type="number"], input[type="tel"], input[type="search"], select, textarea { font-size: 16px; }
}

/* ---- 刘海屏 / 挖孔屏安全区 ---- */
.site-header { padding-top: var(--sat); }
.site-header .header-inner { min-height: calc(66px + var(--sat)); }
.site-footer { padding-bottom: calc(34px + var(--sab)); }
.auth-wrap { padding-top: var(--sat); }
.nav-toggle { margin-right: var(--sar); }
.header-inner { padding-left: max(var(--gutter), var(--sal)); padding-right: max(var(--gutter), var(--sar)); }
.footer-grid, .footer-bottom { padding-left: max(0px, var(--sal)); padding-right: max(0px, var(--sar)); }

/* 触控层任何卡片不得意外缩放文字造成误读 */
h1, h2, h3, h4, p, li, blockquote, td, th, span, div { -webkit-text-size-adjust: 100%; }

@media (max-width:960px) {
  html, body { overflow-x: hidden; }
  .container { padding-left: max(18px, var(--sal)); padding-right: max(18px, var(--sar)); }

  /* 顶部栏瘦身：logo 小一点、间距收紧 */
  .site-header .header-inner { gap: 12px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-name { font-size: 19px; }
  .user-strip { display: flex; }

  /* 字号按屏宽伸缩 */
  .hero-title { font-size: clamp(34px, 8.5vw, 64px); }
  .section-title { font-size: clamp(24px, 5.6vw, 42px); }
  .motto { padding: 40px 20px; border-radius: 24px; }
  .motto h2 { font-size: clamp(22px, 6vw, 40px); }
  .motto p { font-size: 14.5px; }

  /* 标签页 / 筛选条：允许横向滑动不换行 */
  .tab-bar, .admin-tabs, .filter-chips, .leader-tabs, .people-tabs { display:flex; flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; }
  .tab-bar::-webkit-scrollbar, .admin-tabs::-webkit-scrollbar, .filter-chips::-webkit-scrollbar { display:none; }
  .tab-bar button, .admin-tabs button, .filter-chip, .leader-tabs button { flex:0 0 auto; white-space:nowrap; }

  /* 用户条在手机上只保留最重要的链接，去掉昵称/角色占宽 */
  .user-strip .us-name, .user-strip .us-role { display:none; }
  .user-strip { gap: 6px; }
  .us-item { padding: 6px 9px; font-size: 12.5px; }
}

@media (max-width:600px) {
  /* 平板→手机：网格再降列 */
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .section { padding: 42px 0; }
  .quick-links, .info-cards { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  /* 相册用自适应列，手机上 2~3 列不拥挤 */
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 8px; }
  .gallery-item .gi-cap { font-size: 12px; }

  /* 首页行动按钮整幅铺开 */
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* 相册灯箱触控友好 */
  .lightbox .lb-stage { padding: 48px 10px 20px; }
  .lightbox .lb-img { object-fit: contain; }
  .lb-nav { width: 42px; height: 42px; font-size: 20px; }
  .lb-nav.lb-prev { left: 8px; }
  .lb-nav.lb-next { right: 8px; }
  .lb-cap { padding: 0 8px 8px; text-align:center; }

  /* 表格在卡片内允许横向滑动（数据页） */
  .data-table { display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; white-space:nowrap; }
  .data-table table, .tbl table { min-width: 540px; }
  .rank-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .rank-table { min-width: 640px; }
  .admin-table { display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; white-space:nowrap; }

  /* 页脚反馈条堆叠 */
  .feedback-inner { flex-direction: column; align-items: flex-start; }
  .fb-github { width: 100%; text-align: center; }

  /* 卡片留白收紧，一屏看更多 */
  .panel { padding: 18px 16px; border-radius: 18px; }
  .card, .redeem-item, .shop-item { border-radius: 16px; }
  .article { padding: 24px 18px; }
}

/* ---- 折叠屏（宽但矮）与超大平板：中屏微调 ---- */
@media (min-width: 601px) and (max-width: 900px) {
  .people-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid, .work-grid { grid-template-columns: repeat(2, 1fr); }
}