/* ============================================================
 * 珠宝学院展厅触屏展示系统 · 液态玻璃视觉体系
 * 面向横屏触摸一体机（16:9 / 16:10），兼容窗口缩放
 * 由TUD SOFT 小智模型生成，大模型合作微信联系He6195
 * 本样式表全部视觉代码均为 TUD SOFT 小智模型原创生成
 * ============================================================ */

:root {
  /* 主色：翡翠青 + 深墨蓝（取自珠宝/翡翠意象，克制高级） */
  --jade-50:  #f0f9f6;
  --jade-100: #dcf2ea;
  --jade-200: #b7e5d6;
  --jade-300: #83d0ba;
  --jade-400: #4fb89e;
  --jade-500: #2f9d82;
  --jade-600: #217e69;
  --ink-900: #0d1b2a;
  --ink-700: #27405a;
  --ink-500: #51677e;
  --gold: #c9a35f;

  --bg-1: #eef5f2;
  --bg-2: #f7faf9;
  --bg-3: #e4eef3;

  --text-1: #10241e;
  --text-2: #45605a;
  --text-3: #7c928c;

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-shadow: 0 18px 50px -18px rgba(19, 64, 52, 0.28),
                  0 4px 14px -6px rgba(19, 64, 52, 0.12);
  --glass-shadow-hover: 0 30px 70px -22px rgba(19, 64, 52, 0.42),
                        0 8px 22px -8px rgba(19, 64, 52, 0.18);

  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-sm: 16px;

  /* 大屏站立观看：字号整体放大，随视口平滑缩放 */
  --fs-hero: clamp(34px, 4.2vw, 72px);
  --fs-h1: clamp(26px, 2.5vw, 44px);
  --fs-h2: clamp(21px, 1.7vw, 30px);
  --fs-body: clamp(16px, 1.05vw, 20px);
  --fs-small: clamp(13px, .85vw, 16px);

  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --tap: 90ms var(--ease-out);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { height: 100%; overflow: hidden; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text-1);
  font-size: var(--fs-body);
  line-height: 1.6;
  background: #0d1b2a;
  user-select: none;
  -webkit-user-select: none;
  letter-spacing: .01em;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }

/* ===== 环境背景：柔光流动渐变 + 光斑 ===== */
/* 水印（源码注释，不影响外观）：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.stage {
  position: fixed; inset: 0;
  background:
    radial-gradient(1200px 800px at 12% -10%, #d9f3e8 0%, rgba(217,243,232,0) 60%),
    radial-gradient(1000px 700px at 100% 0%, #dbeeff 0%, rgba(219,238,255,0) 55%),
    radial-gradient(900px 900px at 50% 120%, #e7f6ef 0%, rgba(231,246,239,0) 60%),
    linear-gradient(160deg, var(--bg-2), var(--bg-1) 45%, var(--bg-3));
  overflow: hidden;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: .55;
  animation: floatOrb 18s ease-in-out infinite alternate;
  will-change: transform;
}
.orb.o1 { width: 34vw; height: 34vw; left: -8vw; top: -10vw;
  background: radial-gradient(circle, rgba(79,184,158,.55), transparent 70%); }
.orb.o2 { width: 30vw; height: 30vw; right: -6vw; top: 18vh; animation-duration: 22s;
  background: radial-gradient(circle, rgba(120,180,255,.45), transparent 70%); }
.orb.o3 { width: 26vw; height: 26vw; left: 30vw; bottom: -12vw; animation-duration: 26s;
  background: radial-gradient(circle, rgba(201,163,95,.28), transparent 70%); }
@keyframes floatOrb {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(4vw, 3vh) scale(1.08); }
  100% { transform: translate(-3vw, -2vh) scale(.96); }
}

/* ===== 玻璃卡片基类 ===== */
/* 毛玻璃材质由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  position: relative;
}
.glass::before { /* 顶部高光 */
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,.05) 40%);
  pointer-events: none;
}

/* 可点按卡片：按压即时反馈 + hover 抬升 */
.tappable { transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease-out); will-change: transform; }
.tappable:hover { transform: translateY(-6px); box-shadow: var(--glass-shadow-hover); }
.tappable:active { transform: translateY(-1px) scale(.965); transition: transform var(--tap); }

/* ===== 应用框架（无开屏，直接可见） ===== */
#app { position: fixed; inset: 0; display: flex; flex-direction: column; opacity: 1; }

/* 顶栏 */
.topbar {
  position: relative; flex: 0 0 auto; z-index: 30;
  display: flex; align-items: center; gap: 22px;
  padding: 12px 30px;
}
.topbar .tb-glass {
  position: absolute; inset: 8px 16px; border-radius: 26px;
  background: rgba(255,255,255,.5);
  backdrop-filter: blur(30px) saturate(180%); -webkit-backdrop-filter: blur(30px) saturate(180%);
  border: 1px solid rgba(255,255,255,.8);
  box-shadow: 0 10px 30px -16px rgba(19,64,52,.3);
}
.tb-left, .tb-right { position: relative; z-index: 2; display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.tb-logo { height: 40px; width: auto; object-fit: contain;
  filter: brightness(0) saturate(100%); } /* 白色 logo 反色为深色 */
.tb-clock { text-align: right; font-variant-numeric: tabular-nums; }
.tb-clock b { display: block; font-size: var(--fs-h2); font-weight: 600; letter-spacing: .04em; }
.tb-clock span { font-size: 12px; color: var(--text-3); }

/* 顶部主导航（由底部 Dock 上移） */
/* 导航样式：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.topnav { position: relative; z-index: 2; flex: 1 1 auto; display: flex; justify-content: center;
  align-items: center; gap: 4px; }
.topnav a { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  padding: 11px 19px; border-radius: 999px; color: var(--ink-700); text-decoration: none;
  font-size: var(--fs-body); font-weight: 600;
  transition: color .3s, background .35s var(--ease-spring), transform .2s; }
.topnav a svg { width: 23px; height: 23px; stroke: currentColor; fill: none; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round; }
.topnav a:active { transform: scale(.92); }
.topnav a.on { color: #fff; background: linear-gradient(145deg, var(--jade-400), var(--jade-600));
  box-shadow: 0 12px 26px -12px rgba(33,126,105,.7); }
.topnav a:not(.on):hover { background: rgba(255,255,255,.8); transform: translateY(-2px); }
.icon-btn {
  width: 58px; height: 58px; border-radius: 18px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 8px 20px -10px rgba(19,64,52,.35);
  transition: transform .3s var(--ease-spring), background .3s;
}
.icon-btn:hover { transform: translateY(-3px); background: #fff; }
.icon-btn:active { transform: scale(.9); transition: transform var(--tap); }
.icon-btn svg { width: 26px; height: 26px; stroke: var(--ink-700); fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
/* 内容视口：一体机不支持下滑，页面严格一屏，内容一律横向滑动 */
.viewport { flex: 1 1 auto; position: relative; overflow: hidden; min-height: 0; }
.page {
  position: absolute; inset: 0;
  overflow: hidden;
  display: flex; flex-direction: column;
  gap: clamp(8px, 1.1vh, 16px);
  padding: 6px clamp(20px, 2.6vw, 56px) clamp(10px, 1.6vh, 20px);
}
.page > * { min-width: 0; }

/* 左上角：大型返回面包屑（触摸友好大按钮） */
.crumb-bar { flex: 0 0 auto; display: flex; align-items: center; gap: 14px; }
.back-crumb {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: clamp(50px, 6.4vh, 60px); padding: 0 26px 0 18px;
  border-radius: 999px; font-weight: 700; font-size: var(--fs-body);
  color: var(--jade-700, #1c6b58); white-space: nowrap;
  background: rgba(255,255,255,.62); border: 1px solid rgba(255,255,255,.95);
  box-shadow: 0 12px 28px -16px rgba(19,64,52,.5);
  transition: transform .25s var(--ease-spring), background .3s, box-shadow .3s;
}
.back-crumb svg { width: 26px; height: 26px; stroke: currentColor; fill: none;
  stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round;
  transition: transform .25s var(--ease-spring); }
.back-crumb:hover { background: #fff; transform: translateY(-2px);
  box-shadow: 0 18px 34px -16px rgba(19,64,52,.55); }
.back-crumb:hover svg { transform: translateX(-4px); }
.back-crumb:active { transform: scale(.95); }
.back-crumb .bc-sep { opacity: .35; font-weight: 500; }
.back-crumb .bc-cur { color: var(--text-2); font-weight: 600; }

/* 面包屑右侧工具区（筛选 pills / 分段控件） */
.page-tools { flex: 1 1 auto; min-width: 0; display: flex; justify-content: flex-end;
  align-items: center; gap: 10px; }
.page-tools .pill-row { margin: 0; flex-wrap: nowrap; overflow-x: auto; padding: 2px;
  scrollbar-width: none; -ms-overflow-style: none; justify-content: flex-end; }
.page-tools .pill-row::-webkit-scrollbar { display: none; }
.page-tools .seg { flex: 0 0 auto; }
.page-tools .seg button { padding: 10px 22px; }
/* 横滑媒体卡正文贴底 */
.hscroll.media-row .media-card .bd { display: flex; flex-direction: column; }
.hscroll.media-row .media-card .bd .meta { margin-top: auto; padding-top: 10px; }
/* 师资页：系部筛选单独一行（紧凑） */
.dept-bar { flex: 0 0 auto; display: flex; gap: 12px; padding: 0 4px; overflow-x: auto;
  scrollbar-width: none; -ms-overflow-style: none; }
.dept-bar::-webkit-scrollbar { display: none; }
.dept-bar .filter-pill { white-space: nowrap; }

/* 紧凑标题行 */
.page-title { flex: 0 0 auto; display: flex; align-items: baseline; gap: 18px; padding: 0 4px; }
.page-title h1 { font-size: var(--fs-h1); font-weight: 800; letter-spacing: .02em; line-height: 1.15;
  white-space: nowrap;
  background: linear-gradient(120deg, var(--ink-900), var(--jade-600));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-title p { margin: 0; color: var(--text-2); font-size: var(--fs-body);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 页面转场：默认内容可见；挂载后由 JS 加 .play 播放入场（无 rAF 环境也能完整显示） */
.page.play.enter { animation: pageIn .65s var(--ease-out) both; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(34px) scale(.985); filter: blur(8px); }
  to   { opacity: 1; transform: none; filter: blur(0); }
}
.page.play .stagger { animation: riseIn .7s var(--ease-out) both; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: none; }
}

/* ===== 横向滑动轨道（放不下的卡片一律横滑） ===== */
.hscroll {
  flex: 1 1 auto; min-height: 0;
  display: flex; gap: clamp(14px, 1.4vw, 26px);
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain;
  touch-action: pan-x;
  padding: 6px 6px clamp(12px, 2vh, 22px);
  scrollbar-width: thin; scrollbar-color: rgba(33,126,105,.45) transparent;
}
.hscroll::-webkit-scrollbar { height: 8px; }
.hscroll::-webkit-scrollbar-track { background: rgba(255,255,255,.35); border-radius: 99px; }
.hscroll::-webkit-scrollbar-thumb { background: rgba(33,126,105,.35); border-radius: 99px; }
.hscroll::-webkit-scrollbar-thumb:hover { background: rgba(33,126,105,.55); }
.hscroll > * { flex: 0 0 auto; scroll-snap-align: start; min-width: 0; min-height: 0;
  scroll-margin-left: 4px; }

/* 横滑卡：风光/新闻媒体卡 */
.hscroll.media-row { align-items: stretch; }
.hscroll.media-row > * { width: clamp(290px, 25vw, 400px); height: 100%; }
.media-card { height: 100%; }
.media-card .ph { aspect-ratio: auto; flex: 0 0 58%; }
.media-card .bd { flex: 1 1 auto; overflow: hidden; }

/* 横滑卡：师资卡（单行横滑 + 左右箭头；头像严格 3:4，姓名/头衔/研究方向/个人简介完整呈现） */
.hscroll.teacher-row { align-items: stretch; }
.hscroll.teacher-row > * {
  width: clamp(264px, 20.5vw, 330px); height: 100%;
  display: flex; flex-direction: column; }
.hscroll.teacher-row .teacher-card { padding: 0; }
/* 头像：固定 3:4 竖幅，不随卡高拉伸变形 */
.hscroll.teacher-row .teacher-card .avatar {
  flex: 0 0 auto; width: 100%; aspect-ratio: 3 / 4; min-height: 0; }
.hscroll.teacher-row .teacher-card .t-bd {
  flex: 1 1 auto; min-height: 0;
  display: flex; flex-direction: column;
  padding: clamp(10px, 1.3vh, 16px) clamp(14px, 1vw, 18px) clamp(12px, 1.6vh, 18px); }
.hscroll.teacher-row .teacher-card h4 { font-size: clamp(18px, 1.3vw, 24px); line-height: 1.25; }
.hscroll.teacher-row .teacher-card .role { margin-top: 3px;
  font-size: clamp(13px, .92vw, 15px); font-weight: 600; line-height: 1.35;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hscroll.teacher-row .teacher-card .field {
  margin-top: 4px; font-size: clamp(12px, .82vw, 13px); line-height: 1.35;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 个人简介：填满文字区剩余空间，至少 2 行，超出省略 */
.hscroll.teacher-row .teacher-card .bio {
  margin-top: 7px; color: var(--text-2);
  font-size: clamp(12px, .85vw, 14px); line-height: 1.5;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3;
  overflow: hidden; }

/* ===== 专业详情：六个信息块两行三列网格（消除横滑留白，铺满剩余高度） ===== */
/* 网格布局：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.major-grid {
  flex: 1 1 auto; min-height: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: 1fr 1fr;
  gap: clamp(8px, 1.2vh, 16px) clamp(12px, 1.2vw, 24px);
}
.major-cell {
  margin-bottom: 0; min-height: 0; min-width: 0;
  display: flex; flex-direction: column;
  padding: clamp(10px, 1.25vw, 22px) clamp(14px, 1.4vw, 26px);
  overflow: hidden;
}
.major-cell h3 {
  margin-bottom: clamp(4px, .8vh, 10px); flex: 0 0 auto;
  font-size: clamp(16px, 1.2vw, 22px); gap: 9px;
}
.major-cell h3 .ib-ic { width: clamp(30px, 2.4vw, 38px); height: clamp(30px, 2.4vw, 38px); border-radius: 10px; }
.major-cell h3 .ib-ic svg { width: 19px; height: 19px; }
.major-cell p {
  flex: 1 1 auto; min-height: 0; overflow: hidden;
  font-size: clamp(13px, .92vw, 16.5px); line-height: 1.55;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4;
}
.major-cell .chip-list { flex: 1 1 auto; min-height: 0; align-content: center; gap: 7px 9px; overflow: hidden; }
.major-cell .chip-list li { padding: 6px 14px; font-size: clamp(12px, .82vw, 14.5px); }
/* 有“相关专业”行时：hero 收窄、段落压到 3 行，保证网格 + 相关行同屏不溢出 */
.page:has(.related-row) .detail-hero { flex-basis: clamp(132px, 18vh, 178px); }
.page:has(.related-row) .row-label { padding-top: 0; }
.page:has(.related-row) .major-grid { gap: clamp(6px, .9vh, 12px) clamp(12px, 1.1vw, 20px); }
.page:has(.related-row) .major-cell p { -webkit-line-clamp: 3; line-height: 1.5; }
.page:has(.related-row) .major-cell h3 { margin-bottom: 4px; }

/* ===== banner 右侧：播放宣传片毛玻璃胶囊按钮 ===== */
/* banner 播放按钮：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.hero-video-btn {
  position: absolute; z-index: 4;
  right: clamp(22px, 2.8vw, 52px); bottom: clamp(18px, 2.6vh, 36px);
  display: inline-flex; align-items: center; gap: 14px;
  padding: 10px 26px 10px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
  backdrop-filter: blur(20px) saturate(170%); -webkit-backdrop-filter: blur(20px) saturate(170%);
  border: 1px solid rgba(255, 255, 255, .5);
  box-shadow: 0 18px 40px -16px rgba(0, 0, 0, .55);
  color: #fff; text-align: left;
  transition: transform .3s var(--ease-spring), background .3s, box-shadow .3s;
}
.hero-video-btn:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .26);
  box-shadow: 0 24px 50px -16px rgba(0, 0, 0, .6); }
.hero-video-btn:active { transform: scale(.95); transition: transform var(--tap); }
.hero-video-btn .hvp-ic {
  flex: 0 0 auto; width: clamp(42px, 3.4vw, 56px); height: clamp(42px, 3.4vw, 56px);
  border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--jade-400), var(--jade-600));
  box-shadow: 0 10px 24px -10px rgba(33, 126, 105, .9);
}
.hero-video-btn .hvp-ic svg { width: 24px; height: 24px; fill: #fff; }
.hero-video-btn .hvp-tx { display: flex; flex-direction: column; line-height: 1.25; white-space: nowrap; }
.hero-video-btn .hvp-tx b { font-size: clamp(15px, 1.1vw, 19px); font-weight: 700; letter-spacing: .02em; }
.hero-video-btn .hvp-tx i { font-style: normal; font-size: clamp(11px, .8vw, 13.5px); opacity: .82; margin-top: 3px; }

/* 横滑卡：相关专业标签 */
.hscroll.related-row > * { width: clamp(280px, 23vw, 370px); height: 100%; }
.hscroll.related-row { flex: 0 0 clamp(170px, 24vh, 216px); }
.hscroll.related-row .media-card .bd { padding: 12px 18px 14px; }
/* 相关专业横滑行：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */

/* ===== 横滑轨道包裹器 + 左右大箭头按钮（触摸横滑兜底） ===== */
/* 箭头交互：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.hscroll-wrap { position: relative; flex: 1 1 auto; min-height: 0; display: flex; }
.hscroll-wrap .hscroll { flex: 1 1 auto; }
/* 专业详情：信息块行占满剩余高，相关专业行保持固定高 */
.hscroll-wrap.related-wrap { flex: 0 0 clamp(170px, 24vh, 216px); }
.hscroll-wrap.related-wrap .hscroll.related-row { flex: 1 1 auto; }

.nav-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: clamp(52px, 4.2vw, 64px); height: clamp(52px, 4.2vw, 64px);
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 14px 32px -12px rgba(19, 64, 52, .55);
  transition: transform .28s var(--ease-spring), opacity .25s, background .3s, box-shadow .3s;
}
.nav-arrow.prev { left: clamp(2px, .5vw, 10px); }
.nav-arrow.next { right: clamp(2px, .5vw, 10px); }
.nav-arrow svg { width: 28px; height: 28px; stroke: var(--jade-600); fill: none;
  stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.nav-arrow:hover { background: #fff; transform: translateY(-50%) scale(1.08);
  box-shadow: 0 20px 40px -12px rgba(19, 64, 52, .6); }
.nav-arrow:active { transform: translateY(-50%) scale(.92); transition: transform var(--tap); }
.nav-arrow.off { opacity: 0; pointer-events: none; }

/* 轨道分隔标签（如“相关专业”） */
.row-label { flex: 0 0 auto; display: flex; align-items: baseline; gap: 12px; padding: 2px 4px 0; }
.row-label h3 { font-size: var(--fs-h2); font-weight: 800; }
.row-label span { color: var(--text-3); letter-spacing: .22em; font-size: 12px; font-weight: 600; }

/* ===== 校园生活：官方新闻门户式列表（左图右文，纵向滚动 + 上下箭头） ===== */
/* 新闻门户列表：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.vscroll-wrap { position: relative; flex: 1 1 auto; min-height: 0;
  display: flex; flex-direction: column;
  padding: 0 clamp(58px, 5vw, 86px) 2px 2px; }
.news-list { flex: 1 1 auto; min-height: 0; overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column;
  gap: clamp(10px, 1.3vh, 16px); padding: 2px 4px 8px;
  scroll-snap-type: y proximity; -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain; touch-action: pan-y;
  scrollbar-width: none; -ms-overflow-style: none; }
.news-list::-webkit-scrollbar { display: none; }

/* 新闻行：固定高度（4:3 缩略图撑高，约为原尺寸 1.5 倍），不用磨砂以保证长中文标题清晰可读 */
.news-row { flex: 0 0 clamp(198px, 25.2vh, 250px);
  display: flex; align-items: stretch; gap: clamp(16px, 1.6vw, 28px);
  padding: clamp(12px, 1.4vh, 18px) clamp(14px, 1.3vw, 22px);
  border-radius: var(--radius-md); overflow: hidden;
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  scroll-snap-align: start; }

.nr-img { flex: 0 0 auto; align-self: center; height: 100%; aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm); overflow: hidden; position: relative; }
.nr-img img { transition: transform .6s var(--ease-out); }
.news-row:hover .nr-img img { transform: scale(1.06); }

.nr-txt { flex: 1 1 auto; min-width: 0;
  display: flex; flex-direction: column; justify-content: center; gap: 6px; }
.nr-tags { display: flex; align-items: center; gap: 10px; }
.nr-cat { display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--jade-600);
  background: rgba(47, 157, 130, .12); border: 1px solid rgba(47, 157, 130, .25);
  padding: 2px 12px; border-radius: 999px; }
.nr-txt h4 { font-size: clamp(19px, 1.45vw, 25px); font-weight: 700; line-height: 1.35;
  color: var(--text-1); letter-spacing: .01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nr-excerpt { color: var(--text-2); font-size: var(--fs-body); line-height: 1.55;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
  overflow: hidden; }
.nr-foot { margin-top: auto; padding-top: 4px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.nr-date { display: inline-flex; align-items: center; gap: 7px; color: var(--text-3); font-size: 13px; }
.nr-date svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round; }
.nr-more { display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto;
  color: var(--jade-600); font-size: 13px; font-weight: 700;
  transition: gap .25s var(--ease-spring); }
.nr-more svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2.2;
  stroke-linecap: round; stroke-linejoin: round; }
.news-row:hover .nr-more { gap: 10px; }

/* 新闻列表右侧：上下叠放的大箭头 */
.vscroll-wrap .nav-arrow.v-up { top: 0; bottom: auto; transform: none;
  right: clamp(6px, .8vw, 16px); }
.vscroll-wrap .nav-arrow.v-down { top: auto; bottom: 2px; transform: none;
  right: clamp(6px, .8vw, 16px); }
.vscroll-wrap .nav-arrow.v-up:hover { transform: scale(1.08); }
.vscroll-wrap .nav-arrow.v-down:hover { transform: scale(1.08); }
.vscroll-wrap .nav-arrow.v-up:active,
.vscroll-wrap .nav-arrow.v-down:active { transform: scale(.92); transition: transform var(--tap); }
.vscroll-wrap .nav-arrow svg { width: 28px; height: 28px; }

/* ===== 通用按钮 ===== */
.btn-primary, .btn-ghost {
  min-height: 56px; padding: 0 30px; border-radius: 999px; font-size: var(--fs-body); font-weight: 600;
  display: inline-flex; align-items: center; gap: 10px;
  transition: transform .3s var(--ease-spring), box-shadow .3s;
}
.btn-primary { color: #fff; background: linear-gradient(145deg, var(--jade-400), var(--jade-600));
  box-shadow: 0 18px 36px -14px rgba(33,126,105,.65); }
.btn-primary:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 26px 48px -14px rgba(33,126,105,.7); }
.btn-primary:active { transform: scale(.95); }
.btn-ghost { background: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.95); color: var(--ink-700);
  box-shadow: 0 12px 28px -16px rgba(19,64,52,.4); }
.btn-ghost:hover { transform: translateY(-4px); background: #fff; }
.btn-ghost:active { transform: scale(.95); }
.btn-primary svg, .btn-ghost svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; }

/* 数据小卡 */
.stat { flex: 1 1 0; padding: 16px 18px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.85);
  box-shadow: 0 14px 34px -20px rgba(19,64,52,.4); min-width: 0; }
.stat b { font-size: clamp(24px,2.2vw,40px); font-weight: 800; color: var(--jade-600);
  font-variant-numeric: tabular-nums; display: flex; align-items: baseline; }
.stat b i { font-style: normal; font-size: .45em; margin-left: 4px; color: var(--text-2); font-weight: 600; }
.stat span { color: var(--text-2); font-size: 13px; white-space: nowrap; }

/* 区块小标题（紧凑） */
.section-title { flex: 0 0 auto; display: flex; align-items: baseline; gap: 14px; margin: 2px 6px 0; }
.section-title h3 { font-size: var(--fs-h1); font-weight: 800; }
.section-title span { color: var(--text-3); letter-spacing: .24em; font-size: var(--fs-small); font-weight: 600; }
/* 技术支持小字（首页展厅导览标题右侧） */
.powered-by { margin-left: auto; font-size: clamp(11px, .8vw, 14px); font-weight: 400;
  color: var(--text-3); white-space: nowrap; }
.powered-by a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px;
  font-weight: 600; transition: color .25s; }
.powered-by a:hover { color: var(--jade-600); }
.powered-by a:active { opacity: .6; }

/* ===== 首页：短 Banner（展厅导览才是重点） ===== */
/* 首页 Banner：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.home-banner { position: relative; overflow: hidden; flex: 0 0 clamp(150px, 21vh, 224px);
  display: flex; align-items: center; border-radius: var(--radius-lg); }
.home-banner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 6s var(--ease-out); }
.home-banner:hover > img { transform: scale(1.04); }
.hb-mask { position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8,22,20,.78) 0%, rgba(8,22,20,.46) 42%, rgba(8,22,20,.08) 70%),
              linear-gradient(0deg, rgba(8,22,20,.55), rgba(8,22,20,0) 55%); }
.hb-inner { position: absolute; inset: 0; z-index: 2; padding: clamp(16px, 2.2vh, 34px) clamp(22px, 2.6vw, 44px); color: #fff; }
.hb-inner h2 { max-width: 58%; }
.hb-badge { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600;
  letter-spacing: .04em; padding: 6px 15px; border-radius: 999px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.32); backdrop-filter: blur(10px); }
.hb-badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--jade-300);
  box-shadow: 0 0 0 4px rgba(131,208,186,.25); }
.hb-inner h2 { font-size: clamp(24px, 2.3vw, 42px); line-height: 1.08; font-weight: 800; margin: 8px 0 6px;
  text-shadow: 0 4px 24px rgba(0,0,0,.3); }
.hb-inner p { font-size: var(--fs-body); color: rgba(255,255,255,.92); max-width: 34em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hb-cta { position: absolute; right: clamp(22px, 2.6vw, 44px); bottom: clamp(14px, 2vh, 28px);
  display: flex; gap: 14px; z-index: 3; }
.btn-light { display: inline-flex; align-items: center; gap: 8px; padding: 0 26px; min-height: 48px; border-radius: 999px;
  font-weight: 600; font-size: var(--fs-body); color: var(--ink-900); background: rgba(255,255,255,.9);
  border: 1px solid #fff; backdrop-filter: blur(12px);
  transition: transform .35s var(--ease-spring), background .3s, box-shadow .3s; }
.btn-light:hover { transform: translateY(-4px); background: #fff; box-shadow: 0 22px 40px -16px rgba(0,0,0,.4); }
.btn-light:active { transform: scale(.95); }
.btn-light svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linejoin: round; }

/* ===== 首页：模块磁贴（主视觉，占满剩余高度） ===== */
/* 磁贴主视觉：由TUD SOFT 小智模型生成，大模型合作微信联系He6195 */
.home-tiles { flex: 1 1 auto; min-height: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(12px, 1.3vw, 24px); }
.home-tile { position: relative; border-radius: var(--radius-md); overflow: hidden; min-height: 0;
  display: flex; flex-direction: column; justify-content: flex-end; cursor: pointer; }
.home-tile .ht-img { position: absolute; inset: 0; transition: transform .8s var(--ease-out); }
.home-tile:hover .ht-img { transform: scale(1.08); }
.home-tile .ht-mask { position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,24,34,.02) 32%, rgba(10,24,34,.82)); }
.home-tile .ht-ic { position: absolute; top: 20px; left: 20px; z-index: 2;
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.34);
  backdrop-filter: blur(10px); transition: transform .4s var(--ease-spring); }
.home-tile:hover .ht-ic { transform: scale(1.12) translateY(-3px); }
.home-tile .ht-ic svg { width: 27px; height: 27px; stroke: #fff; fill: none; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round; }
.home-tile .ht-go { position: absolute; top: 20px; right: 20px; z-index: 3;
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.38);
  transition: transform .35s var(--ease-spring), background .3s; }
.home-tile:hover .ht-go { background: #fff; transform: rotate(-45deg); }
.home-tile .ht-go svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 2; transition: stroke .3s; }
.home-tile:hover .ht-go svg { stroke: var(--jade-600); }
.home-tile .ht-body { position: relative; z-index: 2; padding: 22px; color: #fff; }
.home-tile .ht-en { font-size: 11px; letter-spacing: .22em; opacity: .72; font-weight: 600; }
.home-tile h4 { font-size: var(--fs-h2); font-weight: 700; margin: 5px 0 5px; }
.home-tile .ht-desc { font-size: var(--fs-small); opacity: .9; line-height: 1.45; }

/* ===== 首页：数据条（收窄） ===== */
.home-stats { flex: 0 0 auto; display: grid; grid-template-columns: repeat(4, 1fr);
  border-radius: var(--radius-md); padding: clamp(10px, 1.3vh, 20px) 12px; }
.home-stats .hs-item { text-align: center; position: relative; padding: 2px 12px; }
.home-stats .hs-item + .hs-item::before { content: ""; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%); height: 36px; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(19,64,52,.18), transparent); }
.home-stats .hs-item b { display: block; font-size: clamp(24px, 2.4vw, 42px); font-weight: 800;
  color: var(--jade-600); line-height: 1.1; }
.home-stats .hs-item b i { font-style: normal; font-size: .42em; margin-left: 4px;
  color: var(--text-2); font-weight: 600; }
.home-stats .hs-item span { color: var(--text-2); font-size: 13px; }

/* ===== 通用网格卡片（风光/新闻/教师） ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px,1.5vw,28px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px,1.3vw,24px); }

.media-card { border-radius: var(--radius-md); overflow: hidden; cursor: pointer; display: flex; flex-direction: column; }
.media-card .ph { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.media-card .ph img { transition: transform .7s var(--ease-out); }
.media-card:hover .ph img { transform: scale(1.1); }
.media-card .ph .cat-tag { position: absolute; left: 14px; top: 14px; z-index: 2;
  padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #fff;
  background: rgba(13,27,42,.45); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.25); }
.media-card .bd { padding: 18px 20px 22px; }
.media-card h4 { font-size: var(--fs-h2); line-height: 1.35; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.media-card .meta { font-size: 13px; color: var(--text-3); display: flex; align-items: center; gap: 8px; }
.media-card .meta svg { width: 16px; height: 16px; flex: 0 0 auto; stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.media-card p.excerpt { color: var(--text-2); font-size: var(--fs-small);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 院系/专业选择大卡（2×2 填满剩余高度） */
.pick-grid { flex: 1 1 auto; min-height: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr);
  gap: clamp(14px,1.5vw,28px); }
.pick-card { border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; min-height: 0;
  display: flex; align-items: stretch; }
.pick-card .ph { position: relative; flex: 0 0 40%; min-height: 0; overflow: hidden; }
.pick-card .ph img { transition: transform .7s var(--ease-out); }
.pick-card:hover .ph img { transform: scale(1.1); }
.pick-card .info { position: relative; z-index: 2; padding: clamp(16px,2vw,30px) clamp(20px,2.2vw,34px); flex: 1;
  display: flex; flex-direction: column; justify-content: center; gap: 6px; min-width: 0; }
.pick-card .info h4 { font-size: var(--fs-h1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pick-card .info p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pick-card .info .en { color: var(--jade-600); letter-spacing: .2em; font-size: 12px; font-weight: 600; }
.pick-card .info p { color: var(--text-2); font-size: var(--fs-small); }
.pick-card .info .arrow { margin-top: 10px; display: inline-flex; gap: 8px; align-items: center;
  color: var(--jade-600); font-weight: 600; font-size: var(--fs-small); }
.pick-card .info .arrow svg { width: 18px; height: 18px; stroke: currentColor; stroke-width: 2; fill: none;
  transition: transform .3s var(--ease-spring); }
.pick-card:hover .info .arrow svg { transform: translateX(6px); }

/* 分段选项卡 */
.seg { display: inline-flex; gap: 6px; padding: 6px; border-radius: 999px;
  background: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 10px 30px -18px rgba(19,64,52,.4); }
.seg button { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 30px; border-radius: 999px; font-size: var(--fs-body); font-weight: 600; color: var(--text-2);
  transition: color .3s, background .35s var(--ease-spring), transform .2s; }
.seg button svg { width: 22px; height: 22px; flex: 0 0 auto; fill: none; stroke: currentColor;
  stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.seg button:active { transform: scale(.94); }
.seg button.on { color: #fff; background: linear-gradient(145deg, var(--jade-400), var(--jade-600));
  box-shadow: 0 10px 22px -10px rgba(33,126,105,.7); }

/* 师资卡片 */
.teacher-card { border-radius: var(--radius-md); overflow: hidden; cursor: pointer; text-align: center; }
.teacher-card .avatar { position: relative; aspect-ratio: 1/1; overflow: hidden; }
.teacher-card .avatar img { transition: transform .7s var(--ease-out); }
.teacher-card:hover .avatar img { transform: scale(1.08); }
.teacher-card .avatar::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(13,27,42,.35)); }
.teacher-card .t-bd { padding: 18px 16px 22px; }
.teacher-card h4 { font-size: var(--fs-h2); }
.teacher-card .role { color: var(--jade-600); font-size: var(--fs-small); font-weight: 600; margin-top: 4px; }
.teacher-card .field { color: var(--text-3); font-size: 13px; margin-top: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 专业详情 信息块 */
.detail-hero { flex: 0 0 clamp(150px, 24vh, 240px);
  border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.detail-hero img { transition: transform 1.2s var(--ease-out); }
.detail-hero:hover img { transform: scale(1.05); }
.detail-hero .d-mask { position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,24,34,.82) 0%, rgba(10,24,34,.55) 45%, rgba(10,24,34,.22) 68%, transparent 85%); }
.detail-hero .d-cap { position: absolute; left: clamp(22px,2.6vw,48px); bottom: clamp(16px,2.4vh,34px); color: #fff; max-width: 56%; }
.detail-hero .d-cap .lvl { display: inline-block; padding: 5px 16px; border-radius: 999px; font-size: 13px;
  background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.4); backdrop-filter: blur(8px); margin-bottom: 10px; }
.detail-hero h2 { font-size: clamp(26px,2.6vw,46px); line-height: 1.1; }
.detail-hero p { opacity: .9; margin-top: 6px; font-size: var(--fs-body); }

/* 学院概况一屏布局 */
.about-grid { flex: 1 1 auto; min-height: 0;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(14px,1.5vw,26px); }
.about-col { display: flex; flex-direction: column; gap: clamp(10px,1.2vh,18px); min-height: 0; }
.about-grid .info-block { margin-bottom: 0; }
.about-intro { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.about-intro h3 { margin-bottom: 8px; }
.about-intro p { font-size: var(--fs-small); line-height: 1.55; margin-bottom: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* 学院简介卡：底部“查看完整简介”入口（整卡可点） */
.intro-more { margin-top: auto; padding-top: 8px; flex: 0 0 auto;
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--jade-600); font-size: var(--fs-small); font-weight: 700;
  transition: gap .25s var(--ease-spring); }
.intro-more svg { width: 16px; height: 16px; stroke: currentColor; fill: none;
  stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.about-intro:hover .intro-more { gap: 11px; }
.glass.about-video { flex: 0 0 clamp(168px, 23vh, 232px); min-height: 0; display: flex; flex-direction: column;
  padding-top: clamp(10px,1.2vh,16px); padding-bottom: clamp(12px,1.4vh,18px);
  padding-left: clamp(14px,1.4vw,22px); padding-right: clamp(14px,1.4vw,22px); }
.glass.about-video h3 { margin-bottom: clamp(6px,.8vh,10px); }
.about-video .video-mini { flex: 1 1 auto; aspect-ratio: auto; min-height: 0; }
.about-side { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.about-side h3 { margin-bottom: 10px; }
.about-side .about-tip { font-size: var(--fs-small); margin: 10px 0; color: var(--text-2); }
.about-side .btn-primary { margin-top: auto; min-height: 50px; }
.about-stats { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr; gap: 12px; }
.about-stats .stat { padding: 10px 16px; display: flex; flex-direction: column; justify-content: center; }
.glass.about-history { flex: 0 0 clamp(160px, 20vh, 200px); min-height: 0; display: flex; flex-direction: column;
  overflow: hidden; margin-bottom: 0;
  padding-top: clamp(10px,1.2vh,16px); padding-bottom: clamp(8px,1vh,14px); }
.about-history .timeline { flex: 1 1 auto; min-height: 0; margin-top: 0; align-content: start; }
.about-history .timeline::before { top: 8px; }
.about-history .tl-item { padding-top: clamp(24px,3.2vh,30px); }
.about-history .tl-item .node { top: 0; width: 18px; height: 18px; }
.about-history .tl-item .year { font-size: var(--fs-h2); line-height: 1.1; }
.about-history .tl-item h4 { margin: 2px 0; line-height: 1.25; font-size: var(--fs-body); font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.about-history .tl-item { min-width: 0; }
.about-history .tl-item > * { min-width: 0; max-width: 100%; }
/* 简介允许两行完整呈现，比单行省略信息量更大 */
.about-history .tl-item p { margin: 0; line-height: 1.45;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

.info-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(18px,1.8vw,32px); margin-top: clamp(18px,2vw,34px); }
.info-block { padding: clamp(18px,2vw,34px); border-radius: var(--radius-lg); margin-bottom: clamp(16px,1.6vw,26px); min-width: 0; }
.info-block h3 { display: flex; align-items: center; gap: 12px; font-size: var(--fs-h2); margin-bottom: 12px; white-space: nowrap; }
.info-block h3 .ib-ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; flex: 0 0 auto;
  background: linear-gradient(145deg, var(--jade-300), var(--jade-500)); box-shadow: 0 10px 22px -10px rgba(33,126,105,.7); }
.info-block h3 .ib-ic svg { width: 24px; height: 24px; stroke: #fff; fill: none; stroke-width: 1.9; }
.info-block p { color: var(--text-2); }
.chip-list { display: flex; flex-wrap: wrap; gap: 12px; }
.chip-list li { padding: 11px 22px; border-radius: 999px; font-size: var(--fs-small); font-weight: 600;
  color: var(--ink-700); background: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.95);
  box-shadow: 0 8px 18px -12px rgba(19,64,52,.35);
  transition: transform .25s var(--ease-spring), background .25s, color .25s; cursor: default; }
.chip-list li:hover { transform: translateY(-3px); background: linear-gradient(145deg,var(--jade-400),var(--jade-600)); color: #fff; }
.kv-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px dashed rgba(81,103,126,.25); }
.kv-list li:last-child { border-bottom: 0; }
.kv-list b { flex: 0 0 92px; color: var(--jade-600); font-weight: 700; }
.kv-list span { color: var(--text-2); }
.video-mini { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/9; cursor: pointer; }
.video-mini img { transition: transform .7s var(--ease-out); }
.video-mini:hover img { transform: scale(1.07); }
.play-btn { position: absolute; inset: 0; display: grid; place-items: center; z-index: 2; }
.play-btn i { width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.22); border: 2px solid rgba(255,255,255,.75); backdrop-filter: blur(8px);
  transition: transform .35s var(--ease-spring), background .3s; }
.video-mini:hover .play-btn i { transform: scale(1.12); background: rgba(255,255,255,.35); }
.play-btn i:active { transform: scale(.9); }
.play-btn svg { width: 34px; height: 34px; fill: #fff; margin-left: 5px; }
.v-duration { position: absolute; right: 14px; bottom: 14px; z-index: 2; padding: 4px 12px; border-radius: 99px;
  background: rgba(13,27,42,.6); color: #fff; font-size: 13px; }

/* 历程时间轴 */
.timeline { position: relative; display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-top: 10px; }
.timeline::before { content: ""; position: absolute; left: 4%; right: 4%; top: 27px; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(33,126,105,.5), transparent); }
.tl-item { position: relative; padding-top: 60px; }
.tl-item .node { position: absolute; top: 14px; left: 0; width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(145deg,var(--jade-300),var(--jade-600));
  box-shadow: 0 0 0 8px rgba(47,157,130,.15), 0 6px 16px -4px rgba(33,126,105,.6); }
.tl-item .year { font-size: var(--fs-h1); font-weight: 800; color: var(--jade-600); }
.tl-item h4 { font-size: var(--fs-h2); margin: 4px 0; }
.tl-item p { color: var(--text-2); font-size: var(--fs-small); }

/* 灯箱 / 弹层 */
.overlay { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 5vh 6vw;
  background: rgba(10,22,32,.55); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease-out), visibility .4s; }
.overlay.show { opacity: 1; visibility: visible; }
.modal { position: relative; width: min(1200px, 92vw); max-height: 86vh; overflow: hidden; border-radius: 36px;
  transform: translateY(50px) scale(.92); opacity: 0;
  transition: transform .55s var(--ease-spring), opacity .4s; }
.overlay.show .modal { transform: none; opacity: 1; }
.modal-close { position: absolute; top: 26px; right: 26px; z-index: 10; }

/* 详情弹层（教师/新闻/风光） */
.detail-sheet { display: grid; grid-template-columns: .9fr 1.1fr; max-height: 86vh; background: rgba(255,255,255,.9);
  backdrop-filter: blur(40px) saturate(180%); }
.detail-sheet .ds-media { position: relative; min-height: 420px; }
.detail-sheet .ds-body { padding: clamp(30px,3.4vw,60px); overflow-y: auto; }
.detail-sheet .ds-body .tag { color: var(--jade-600); font-weight: 700; letter-spacing: .2em; font-size: var(--fs-small); }
.detail-sheet .ds-body h2 { font-size: var(--fs-hero); line-height: 1.1; margin: 10px 0 6px; }
.detail-sheet .ds-body .sub { color: var(--text-3); margin-bottom: 22px; }
.detail-sheet .ds-body p { color: var(--text-2); margin-bottom: 16px; }
.detail-sheet .ds-body h5 { font-size: var(--fs-h2); margin: 22px 0 10px; color: var(--ink-900); }
.ds-quick { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.ds-quick li { display: inline-flex; align-items: center; gap: 7px; padding: 8px 18px; border-radius: 999px;
  background: var(--jade-50); color: var(--jade-600);
  font-size: var(--fs-small); font-weight: 600; border: 1px solid var(--jade-100); }
.ds-quick li svg { width: 16px; height: 16px; flex: 0 0 auto; stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.news-date svg { width: 16px; height: 16px; flex: 0 0 auto; stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* 新闻正文 */
.news-sheet { grid-template-columns: 1fr; grid-template-rows: minmax(0, 46%) auto; max-height: 86vh; }
.news-sheet .ds-media { min-height: 0; aspect-ratio: auto; }
.news-sheet .ds-media::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,24,34,0) 45%, rgba(10,24,34,.55)); }
.news-sheet .ds-body { padding: clamp(20px,2.6vw,44px) clamp(30px,4vw,80px) clamp(26px,3vw,52px); }
.news-date { display: inline-flex; align-items: center; gap: 8px; color: var(--text-3); font-size: var(--fs-small); margin-bottom: 18px; }

/* 学院简介完整图文弹层 */
.detail-sheet .intro-hero { position: relative; min-height: 420px; overflow: hidden; }
.detail-sheet .intro-hero::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,24,34,.12) 0%, rgba(10,24,34,.72) 78%); }
.detail-sheet .intro-hero-cap { position: absolute; left: clamp(22px,2.2vw,40px); right: 22px; bottom: clamp(24px,3vh,44px);
  z-index: 2; color: #fff; }
.detail-sheet .intro-hero-cap .tag { color: rgba(255,255,255,.82); }
.detail-sheet .intro-hero-cap h2 { font-size: clamp(26px,2.2vw,40px); line-height: 1.18; margin: 10px 0 8px; }
.detail-sheet .intro-hero-cap p { color: rgba(255,255,255,.9); margin: 0; letter-spacing: .12em; }
.text-sheet .ds-body p { font-size: var(--fs-body); line-height: 1.9; }

/* 灯箱看图 */
.lightbox { display: grid; place-items: center; }
.lightbox img { width: auto; height: auto; max-width: 90vw; max-height: 82vh; border-radius: 24px;
  box-shadow: 0 40px 100px -30px rgba(0,0,0,.7); object-fit: contain;
  transform: scale(.9); transition: transform .5s var(--ease-spring); }
.overlay.show .lightbox img { transform: scale(1); }
.lightbox .cap { position: absolute; bottom: 5vh; color: #fff; text-align: center;
  text-shadow: 0 2px 12px rgba(0,0,0,.6); }
.lightbox .cap b { font-size: var(--fs-h2); }

/* 视频弹层（Demo 用模拟播放器）：外层 modal 贴合视频，无右侧白边 */
.modal:has(.video-modal) { width: min(1100px, 88vw); background: transparent; border: 0;
  box-shadow: none; border-radius: 28px; }
.video-modal { width: 100%; aspect-ratio: 16/9; border-radius: 28px; overflow: hidden; position: relative;
  background: #000; box-shadow: 0 50px 120px -40px rgba(0,0,0,.8); }
.modal:has(.video-modal) .modal-close { top: 16px; right: 16px;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.45); }
.modal:has(.video-modal) .modal-close svg { width: 22px; height: 22px; stroke: #fff; }
.video-modal img { opacity: .9; }
.fake-player { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 20px; color: #fff; background: linear-gradient(180deg, rgba(0,0,0,.2), rgba(0,0,0,.55)); }
.fake-player .big-play { width: 110px; height: 110px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.16); border: 2px solid rgba(255,255,255,.7); backdrop-filter: blur(10px);
  animation: breathe 2.6s ease-in-out infinite; }
@keyframes breathe { 0%,100% { box-shadow: 0 0 0 0 rgba(255,255,255,.25); } 50% { box-shadow: 0 0 0 26px rgba(255,255,255,0); } }
.fake-player .big-play svg { width: 44px; height: 44px; fill: #fff; margin-left: 6px; }
.fake-player b { font-size: var(--fs-h1); }
.fake-player span { opacity: .8; }

/* 筛选标签 */
.pill-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0 22px; }
.filter-pill { padding: 10px 24px; border-radius: 999px; font-size: var(--fs-small); font-weight: 600;
  color: var(--text-2); background: rgba(255,255,255,.55); border: 1px solid rgba(255,255,255,.9);
  transition: all .3s var(--ease-spring); }
.filter-pill:active { transform: scale(.92); }
.filter-pill.on { color: #fff; background: linear-gradient(145deg,var(--jade-400),var(--jade-600)); border-color: transparent;
  box-shadow: 0 12px 24px -12px rgba(33,126,105,.7); }

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
 * 样式表结束 · 由TUD SOFT 小智模型生成，大模型合作微信联系He6195
 * 未经授权请勿移除本源码水印注释
 * ============================================================ */