/* ============================================
   锡望 · 无锡学院新生指南
   ✿ 毛玻璃 · 壁纸流体主题（加载于 styles.css 之后）
   背景 = 视频壁纸 + WebGL 流体扭曲（fluid.js）
   界面 = 毛玻璃(磨砂)卡片/按钮/文字，按每个页面壁纸的主色微调
   仅改变视觉，不改布局与交互
   ============================================ */

:root {
  --ink: #2a2338;             /* 深紫黑正文（浅色磨砂上可读） */
  --muted: #5c556d;           /* 灰紫 */
  --muted-2: #938aa6;         /* 浅灰紫 */
  --accent: #6f7bff;           /* 默认：首页(星系)蓝紫 */
  --accent-strong: #5866f2;
  --accent-soft: rgba(111, 123, 255, 0.16);
  --accent-border: rgba(111, 123, 255, 0.42);
  --accent-glow: 0 0 20px rgba(111, 123, 255, 0.28);
  --teal: #39c7b5;
  --coral: #ff7d66;

  --glass-bg: rgba(255, 255, 255, 0.52);
  --glass-bg-strong: rgba(255, 255, 255, 0.74);
  --glass-bg-hover: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.62);
  --glass-border-strong: rgba(255, 255, 255, 0.85);
  --pill-bg: rgba(255, 255, 255, 0.42);
  --pill-border: rgba(255, 255, 255, 0.6);

  --shadow-soft: 0 12px 34px rgba(40, 30, 70, 0.22);
  --shadow-hover: 0 20px 52px rgba(40, 30, 70, 0.3), 0 0 26px rgba(111, 123, 255, 0.18);
  --blur: blur(20px) saturate(1.5);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --max-width: 1180px;
  --container-padding: 24px;
}

/* 每页壁纸主色（可逐页微调） */
body[data-page="home"]        { --accent:#6f7bff; --accent-strong:#5866f2; --accent-soft:rgba(111,123,255,.16); --accent-border:rgba(111,123,255,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(111,123,255,.10); }
body[data-page="map"]         { --accent:#2fae9f; --accent-strong:#1f9789; --accent-soft:rgba(47,174,159,.16); --accent-border:rgba(47,174,159,.42); --teal:#2fae9f; --coral:#d9a94a; --pg-tint:rgba(47,174,159,.10); }
body[data-page="dorms"]       { --accent:#ff5fa8; --accent-strong:#ef3f90; --accent-soft:rgba(255,95,168,.16); --accent-border:rgba(255,95,168,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(255,95,168,.10); }
body[data-page="schedule"]    { --accent:#3f93e6; --accent-strong:#2f7fd0; --accent-soft:rgba(63,147,230,.16); --accent-border:rgba(63,147,230,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(63,147,230,.10); }
body[data-page="clubs"]       { --accent:#2fc9b6; --accent-strong:#1fb3a0; --accent-soft:rgba(47,201,182,.16); --accent-border:rgba(47,201,182,.42); --teal:#2fc9b6; --coral:#ff7d66; --pg-tint:rgba(47,201,182,.10); }
body[data-page="competitions"]{ --accent:#ff4f63; --accent-strong:#ee3348; --accent-soft:rgba(255,79,99,.16); --accent-border:rgba(255,79,99,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(255,79,99,.10); }
body[data-page="majors"]      { --accent:#4a7bff; --accent-strong:#3567f0; --accent-soft:rgba(74,123,255,.16); --accent-border:rgba(74,123,255,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(74,123,255,.10); }
body[data-page="food"]        { --accent:#ff8a3c; --accent-strong:#f07524; --accent-soft:rgba(255,138,60,.16); --accent-border:rgba(255,138,60,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(255,138,60,.10); }
body[data-page="gallery"]     { --accent:#e09a2e; --accent-strong:#d28a1f; --accent-soft:rgba(224,154,46,.16); --accent-border:rgba(224,154,46,.42); --teal:#39c7b5; --coral:#ff7d66; --pg-tint:rgba(224,154,46,.10); }

/* ---------- 全局：视频背景上保证可读 ---------- */
body {
  color: var(--ink);
  background: transparent;
  font-family: "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Hiragino Sans GB", sans-serif;
}
/* 内容浮在流体画布( z-index:0 )之上 */
.site-header, main, footer { position: relative; }
main, footer { z-index: 1; }
.site-header { z-index: 1000; }
.fluid-veil, #fluid-veil { z-index: 0; }

h1, h2, h3, h4 { color: var(--ink); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.6);
}

/* ---------- 磨砂玻璃通用卡片（吃透背景 + 轻微上高光） ---------- */
.glass-card,
.module-link, .guide-stage, .dorm-card, .club-card, .food-card, .competition-row,
.college-major-item, .major-guide-card, .day-part, .transit-anchor, .arrival-route,
.rail-hub-grid article, .travel-decisions article, .shuttle-directions article,
.catalog-stats > div, .major-stats > div, .forum-promo-copy, .dorm-sources,
.catalog-notes, .transport-panel, .dorm-overview, .campus-image-shell, .comment-feed,
.comment-form, .search-box, .major-search, .select-box select, .major-notice {
  position: relative;
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}
.module-link::before {
  background: radial-gradient(420px 200px at 20% 0%, var(--accent-soft), transparent 60%);
}
.module-link:hover, .guide-stage:hover, .dorm-card:hover, .club-card:hover, .food-card:hover,
.competition-row:hover, .college-major-item:hover, .major-guide-card:hover, .day-part:hover,
.transit-anchor:hover, .arrival-route:hover, .rail-hub-grid article:hover, .travel-decisions article:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--shadow-hover), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  transform: translateY(-4px);
  border-color: var(--accent-border);
}

/* ---------- 毛玻璃胶囊按钮（贴合壁纸主题色） ---------- */
.primary-link, .primary-comment-button, .secondary-button, .forum-topics span,
.shuttle-times span, .official-links a {
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  backdrop-filter: blur(16px) saturate(1.6);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  box-shadow: 0 8px 20px rgba(40, 30, 70, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}
.primary-link {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 12px 26px color-mix(in srgb, var(--accent) 45%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}
.primary-link:hover { box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 60%, transparent); transform: translateY(-2px); }
.primary-comment-button {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 26px color-mix(in srgb, var(--accent) 45%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.primary-comment-button:hover { box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 60%, transparent); }

/* 筛选 / 切换 / 导航：磨砂胶囊 */
.filter-button, .campus-switcher button {
  -webkit-backdrop-filter: blur(14px) saturate(1.5);
  backdrop-filter: blur(14px) saturate(1.5);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--ink);
}
.filter-button.active, .campus-switcher button.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent) 45%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.secondary-button { color: var(--ink); }
.secondary-button:hover, .official-links a:hover { border-color: var(--accent-border); box-shadow: 0 10px 22px var(--accent-soft); }

/* 底部导航：磨砂胶囊 */
.main-nav {
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  backdrop-filter: blur(24px) saturate(1.6);
  box-shadow: 0 18px 44px rgba(40, 30, 70, 0.28);
}
.main-nav a { color: var(--ink); }
.main-nav a:hover, .main-nav a:focus-visible, .main-nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 40%, transparent);
}
.nav-toggle { color: var(--accent-strong); }

/* 顶栏 / 品牌 */
.site-header {
  background: rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  -webkit-backdrop-filter: blur(22px) saturate(1.6);
  backdrop-filter: blur(22px) saturate(1.6);
}
.brand-mark {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 8px 20px var(--accent-soft), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* ---------- 首页 Hero：让视频透出，加浅色磨砂渐变保文字 ---------- */
.welcome-hero {
  color: var(--ink);
  background:
    radial-gradient(820px 440px at 78% 18%, var(--accent-soft), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.05) 55%, rgba(255, 255, 255, 0.22));
}
.welcome-photo { opacity: 0.55; filter: saturate(1.05) contrast(1.02) brightness(1.02); }
.welcome-shade { background: linear-gradient(to top, rgba(246, 244, 253, 0.5), rgba(246, 244, 253, 0.05)); }
.welcome-content .eyebrow { color: var(--accent-strong); text-shadow: 0 0 14px rgba(255, 255, 255, 0.6); }
.welcome-content h1 { color: var(--ink); text-shadow: 0 0 26px rgba(255, 255, 255, 0.7); }
.welcome-content > p:last-of-type { color: var(--muted); }
.hero-next {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.hero-next:hover { color: #fff; background: var(--accent-strong); }
.photo-credit { color: var(--muted-2); }
.photo-credit:hover { color: var(--accent-strong); }

/* ---------- 小节标题 / 序号（磨砂色） ---------- */
.section-index { color: var(--accent-strong); text-shadow: 0 0 10px rgba(255, 255, 255, 0.5); }
.guide-stage > span, .dorm-overview strong, .catalog-stats strong, .major-stats strong,
.food-campus-heading > div > span, .rule-number, .college-major-index, .module-hero h1 {
  color: var(--accent-strong);
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.5);
}
.rule-number.accent { color: var(--coral); }

/* 图例圆点 */
.legend-dot.prepare { background: var(--accent); box-shadow: 0 0 10px var(--accent-soft); }
.legend-dot.life { background: var(--coral); box-shadow: 0 0 10px rgba(255, 125, 102, 0.5); }
.legend-dot.growth { background: var(--teal); box-shadow: 0 0 10px rgba(57, 199, 181, 0.5); }

/* 图标统一主题色 */
.module-link > i:first-of-type {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  box-shadow: 0 0 14px var(--accent-soft);
}
.module-link > i:last-of-type { color: var(--muted-2); }
.module-link:hover > i:last-of-type { color: var(--accent-strong); }
.module-number { color: rgba(120, 110, 150, 0.16); }
.transport-tips svg, .transit-anchor > div, .transit-anchor svg, .arrival-route header > span,
.arrival-route header svg, .rail-hub-grid article > div, .rail-hub-grid svg, .travel-decisions svg,
.shuttle-directions header svg, .schedule-caution svg, .time-display svg, .day-part h3 svg,
.dorm-overview svg, .dorm-card > svg, .food-card > svg, .comment-form-heading svg,
.major-notice svg, .empty-state svg, .forum-safety svg, .forum-topics svg {
  color: var(--accent-strong);
}

/* ---------- 详情：标签 / 状态 / 徽章（磨砂面） ---------- */
.status-dot { background: #4ec98b; box-shadow: 0 0 0 3px rgba(78, 201, 139, 0.18), 0 0 10px rgba(78, 201, 139, 0.6); }
.dorm-facts span, .review-badge, .comp-level, .food-update-badge, .shuttle-times span, .forum-topics span {
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}
.review-badge.renovated { color: var(--accent); border-color: var(--accent-border); background: var(--accent-soft); }
.review-badge.suite { color: var(--accent); border-color: var(--accent-border); background: var(--accent-soft); }
.review-badge.updating { color: var(--teal); }
.review-badge.new { color: var(--accent-strong); border-color: var(--accent-border); background: var(--accent-soft); }
.review-badge.apartment { color: var(--coral); }
.comp-level.a { color: var(--coral); }
.comp-level.b { color: #e0a24a; }
.comp-level.c { color: var(--accent-strong); border-color: var(--accent-border); background: var(--accent-soft); }
.food-update-badge { color: #e0a24a; }

/* ---------- 作息 / 时间 ---------- */
.time-display { color: var(--accent-strong); text-shadow: 0 0 16px rgba(255, 255, 255, 0.6); }
.timeline-track { background: rgba(255, 255, 255, 0.4); }
.timeline-track span { background: linear-gradient(90deg, var(--accent), var(--accent-strong)); box-shadow: 0 0 12px var(--accent-soft); }
.class-row { border-bottom: 1px dashed rgba(255, 255, 255, 0.4); }
.class-row.bell-row, .class-row.bell-row time { color: var(--accent-strong); }
.run-rules p strong, .dorm-review strong, .catalog-notes li strong { color: var(--ink); }

/* ---------- 搜索 / 表单 ---------- */
.search-box:focus-within, .major-search:focus-within { box-shadow: 0 0 18px var(--accent-soft); border-color: var(--accent-border); }
.search-box kbd { color: var(--muted); background: var(--accent-soft); border: 1px solid var(--accent-border); }
.comment-form input[type="text"], .comment-form textarea, .comment-select-wrap select {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: var(--ink);
}
.dorm-review { background: rgba(255, 255, 255, 0.5); }
.comment-item { border-bottom: 1px dashed rgba(255, 255, 255, 0.4); }
.comment-privacy svg { color: var(--teal); }

/* ---------- 画廊 / 灯箱 ---------- */
.gallery-item > span { background: linear-gradient(to top, rgba(40, 30, 60, 0.55), transparent); }
.gallery-item strong { text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5); }
.gallery-item small { color: rgba(255, 240, 246, 0.9); }
.gallery-dialog {
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(30px); backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 30px 80px rgba(40, 30, 70, 0.4);
}
.gallery-dialog::backdrop { background: rgba(40, 30, 70, 0.5); }
.gallery-close, .gallery-prev, .gallery-next {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 18px rgba(40, 30, 70, 0.22);
}
.gallery-close:hover, .gallery-prev:hover, .gallery-next:hover { color: #fff; background: var(--accent-strong); }
.poetry-entry-shade { background: linear-gradient(to right, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.15)); }
.poetry-entry-copy strong { color: var(--ink); }
.poetry-entry a > i { color: var(--accent-strong); background: rgba(255, 255, 255, 0.55); border: 1px solid rgba(255, 255, 255, 0.7); }
.poetry-entry-copy small, .poetry-entry-copy strong { text-shadow: 0 0 12px rgba(255, 255, 255, 0.5); }

/* ---------- 美食 / 其他 ---------- */
.forum-poster img { border: 1px solid rgba(255, 255, 255, 0.6); box-shadow: 0 22px 48px rgba(40, 30, 70, 0.35); }
.food-card-updating .food-items li { color: var(--muted-2); }
.food-update-badge { color: #e0a24a; }

/* ---------- 返回按钮（磨砂） ---------- */
.back-button {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 20px; padding: 10px 20px;
  border-radius: 999px; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 22px var(--accent-soft), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  font-size: 14px; font-weight: 700; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: transform 120ms ease, box-shadow 160ms ease;
}
.back-button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px color-mix(in srgb, var(--accent) 50%, transparent); }
.back-button svg { width: 16px; }
.module-hero .back-button { display: inline-flex; }

/* 让二级页 hero 透出视频并保证文字可读 */
.module-hero {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0));
  border-radius: var(--radius-lg);
  padding-bottom: 16px;
}

/* 页脚备案号 */
footer .beian { margin-top: 8px; font-size: 12px; }
footer .beian a { color: var(--muted); transition: color 160ms ease; }
footer .beian a:hover { color: var(--accent-strong); }