/* =========================================================
 * 成都智慧象留学 · 教学质量内部管理系统 - 全站样式
 * 主色：深邃藏蓝 #0E1B2C / #12233A
 * 点缀：香槟金 #C9A85C / #D8BC7E
 * 内容区：暖白 #FAF8F4 + 米白卡片，正文 #2E3A48
 * 字体：标题宋体族，正文微软雅黑，数字 Georgia 衬线
 * ========================================================= */

:root {
  --c-navy: #0E1B2C;
  --c-navy-2: #12233A;
  --c-navy-3: #3E5C76;
  --c-gold: #C9A85C;
  --c-gold-light: #D8BC7E;
  --c-gold-deep: #A9853B;
  --c-gold-soft: #F3EAD5;
  --c-bg: #FAF8F4;
  --c-card: #FFFDF8;
  --c-border: #E5DFD2;
  --c-text: #2E3A48;
  --c-text-sub: #6E7B88;
  --c-text-light: #9AA6B2;
  --c-danger: #B04A3E;
  --c-done: #4A7A5E;
  --c-done-soft: #E7EFE7;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(14, 27, 44, 0.06);
  --shadow-hover: 0 10px 28px rgba(14, 27, 44, 0.12);
  --f-serif: "DengXian", "DengXian Light", "Microsoft YaHei", "PingFang SC", sans-serif;
  --f-num: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: "DengXian", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; color: var(--c-text); }

/* 印章徽标：金色细描边圆环 + 「象」字 */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gold);
  flex: none;
  user-select: none;
}
.seal svg { display: block; }

/* ================= 顶部导航 ================= */
.topbar {
  background: var(--c-navy);
  color: #F5F0E4;
  height: 62px;
  display: flex;
  align-items: center;
  padding: 0 30px;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(201, 168, 92, 0.35);
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--f-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: nowrap;
  color: #F5F0E4;
}

.topbar .brand .seal { width: 32px; height: 32px; }

.topbar .brand-sub {
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: rgba(245, 240, 228, 0.55);
  letter-spacing: 0.3px;
  border-left: 1px solid rgba(201, 168, 92, 0.4);
  padding-left: 12px;
}

.topbar .spacer { flex: 1; }

.topbar .user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(245, 240, 228, 0.9);
  white-space: nowrap;
}

.topbar .role-badge {
  font-size: 12px;
  color: var(--c-gold-light);
  border: 1px solid rgba(201, 168, 92, 0.55);
  border-radius: 3px;
  padding: 1px 8px;
  letter-spacing: 0.3px;
}

.topbar .user-link {
  font-size: 13px;
  color: rgba(245, 240, 228, 0.8);
  padding: 5px 13px;
  border: 1px solid rgba(245, 240, 228, 0.28);
  border-radius: 4px;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
  letter-spacing: 0.3px;
}
.topbar .user-link:hover { border-color: var(--c-gold); color: var(--c-gold-light); }

/* ================= 布局 ================= */
.page { max-width: 1200px; margin: 0 auto; padding: 34px 24px 20px; }
.page-narrow { max-width: 1060px; }

.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--c-text-light);
  letter-spacing: 0.3px;
  padding: 26px 0 34px;
}
.site-footer::before {
  content: "";
  display: block;
  width: 56px;
  height: 1px;
  background: var(--c-gold);
  opacity: 0.55;
  margin: 0 auto 14px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 30px 0 16px;
}
.section-head h2 {
  font-family: var(--f-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--c-navy-2);
  letter-spacing: 0.5px;
}
.section-head h2::before {
  content: "";
  display: inline-block;
  width: 4px; height: 15px;
  background: var(--c-gold);
  margin-right: 10px;
  vertical-align: -1px;
}
.section-head .sec-note { font-size: 12px; color: var(--c-text-light); letter-spacing: 0.5px; }

/* ================= 卡片 ================= */
.card {
  background: var(--c-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--c-border);
  padding: 22px 24px;
}

/* ================= 统计卡片 ================= */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat-card {
  background: var(--c-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-gold);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  color: var(--c-gold-deep);
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.stat-icon svg { width: 22px; height: 22px; }
.stat-icon.navy { color: var(--c-navy-2); }

.stat-meta .stat-value {
  font-family: var(--f-num);
  font-size: 28px;
  font-weight: 700;
  color: var(--c-navy-2);
  line-height: 1.2;
}
.stat-meta .stat-value .unit {
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px; font-weight: 400;
  color: var(--c-text-sub);
  margin-left: 3px;
}
.stat-meta .stat-label { font-size: 13px; color: var(--c-text-sub); margin-top: 2px; letter-spacing: 0.3px; }

/* ================= 筛选工具栏 ================= */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 340px;
}
.search-box svg {
  position: absolute; left: 13px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--c-text-light);
  pointer-events: none;
}
.search-box input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  padding: 0 12px 0 38px;
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box input:focus {
  border-color: var(--c-navy-2);
  box-shadow: 0 0 0 3px rgba(18, 35, 58, 0.08);
}

.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab {
  height: 40px;
  padding: 0 18px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: #fff;
  font-size: 13px;
  letter-spacing: 0.3px;
  color: var(--c-text-sub);
  transition: all 0.2s;
}
.filter-tab:hover { border-color: var(--c-gold); color: var(--c-gold-deep); }
.filter-tab.active {
  background: var(--c-navy-2);
  border-color: var(--c-navy-2);
  color: #F5F0E4;
  font-weight: 500;
}

.toolbar .result-count { font-size: 13px; color: var(--c-text-light); margin-left: auto; white-space: nowrap; }

/* ================= 学员卡片列表 ================= */
.student-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.student-card {
  background: var(--c-card);
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.student-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(201, 168, 92, 0.7);
}

.sc-head { display: flex; align-items: center; gap: 12px; }

.avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  color: #F5F0E4;
  font-size: 18px;
  font-family: var(--f-serif);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  user-select: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.avatar.sm { width: 34px; height: 34px; font-size: 14px; }
.avatar.lg { width: 56px; height: 56px; font-size: 23px; }

.sc-name-block { flex: 1; min-width: 0; }
.sc-name {
  font-family: var(--f-serif);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--c-navy-2);
}
.sc-no { font-size: 12px; color: var(--c-text-light); margin-top: 1px; font-family: var(--f-num); letter-spacing: 0.5px; }

.sc-class { font-size: 12px; color: var(--c-text-sub); background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 3px; padding: 2px 8px; white-space: nowrap; }

.sc-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.tag {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 3px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.tag-subject { background: var(--c-gold-soft); color: var(--c-gold-deep); }

.tag-stage-basic { background: #ECEFF3; color: var(--c-navy-2); }
.tag-stage-boost { background: var(--c-gold-soft); color: var(--c-gold-deep); }
.tag-stage-sprint { background: var(--c-navy-2); color: var(--c-gold-light); }

.sc-progress .prog-top {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--c-text-sub); margin-bottom: 6px;
}
.sc-progress .prog-top b { color: var(--c-navy-2); font-size: 14px; font-family: var(--f-num); }

.progress-track {
  height: 6px;
  background: #EFEAE0;
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--c-navy-2), var(--c-navy-3));
  transition: width 0.6s ease;
}

.sc-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--c-text-light);
  border-top: 1px solid var(--c-border);
  padding-top: 12px;
}
.sc-foot .dot {
  display: inline-block; width: 5px; height: 5px;
  border-radius: 50%; background: var(--c-gold);
  margin-right: 6px; vertical-align: 1.5px;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--c-text-light);
  padding: 50px 0;
  font-size: 14px;
  letter-spacing: 0.3px;
}

/* ================= 弹窗 ================= */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(14, 27, 44, 0.55);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  z-index: 100;
  overflow-y: auto;
}
.modal-mask.open { display: flex; }

.modal {
  background: var(--c-card);
  border-radius: 12px;
  border-top: 2px solid var(--c-gold);
  width: 100%;
  max-width: 880px;
  box-shadow: 0 24px 64px rgba(14, 27, 44, 0.35);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.modal-head {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 26px;
  border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; background: var(--c-card);
  border-radius: 12px 12px 0 0;
  z-index: 2;
}
.modal-head .m-title {
  font-family: var(--f-serif);
  font-size: 17px; font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--c-navy-2);
  flex: 1;
}
.modal-head .m-sub { font-family: "Microsoft YaHei", sans-serif; font-size: 12px; color: var(--c-text-light); margin-top: 2px; font-weight: 400; letter-spacing: 0.5px; }
.modal-close {
  width: 32px; height: 32px;
  border: 1px solid var(--c-border);
  background: #fff;
  border-radius: 6px;
  color: var(--c-text-sub);
  font-size: 15px;
  line-height: 1;
  flex: none;
  transition: all 0.2s;
}
.modal-close:hover { border-color: var(--c-gold); color: var(--c-gold-deep); }

.modal-body { padding: 24px 26px 28px; }

.detail-summary {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 13px;
}
.detail-summary .item b { color: var(--c-navy-2); font-weight: 600; }
.detail-summary .item span { color: var(--c-text-light); margin-right: 6px; }

.detail-grid {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 24px;
  align-items: start;
}

.detail-block h3 {
  font-family: var(--f-serif);
  font-size: 14.5px; font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--c-navy-2);
  margin: 20px 0 10px;
  display: flex; align-items: center; gap: 6px;
}
.detail-block h3:first-child { margin-top: 0; }

/* 趋势图 */
.trend-chart { width: 100%; background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 8px; padding: 12px 8px 6px; }
.trend-chart svg { width: 100%; height: auto; display: block; }

/* 时间线 */
.timeline { position: relative; padding-left: 20px; }
.timeline::before {
  content: "";
  position: absolute; left: 5px; top: 6px; bottom: 6px;
  width: 1px;
  background: var(--c-border);
}
.tl-item { position: relative; padding: 0 0 18px 14px; }
.tl-item:last-child { padding-bottom: 4px; }
.tl-item::before {
  content: "";
  position: absolute; left: -19px; top: 6px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--c-gold);
  border: 2px solid var(--c-card);
  box-shadow: 0 0 0 2px var(--c-gold-soft);
}
.tl-item.tl-pending::before { background: var(--c-navy-3); box-shadow: 0 0 0 2px #E4EAF0; }
.tl-item.tl-new::before { background: var(--c-gold-deep); box-shadow: 0 0 0 2px var(--c-gold-soft); }

.tl-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 12px 14px;
  transition: box-shadow 0.3s;
}
.tl-card.flash { animation: flashBg 1.6s ease; }
@keyframes flashBg {
  0% { background: var(--c-gold-soft); box-shadow: 0 0 0 2px var(--c-gold); }
  100% { background: var(--c-bg); box-shadow: none; }
}
.tl-top { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 12px; color: var(--c-text-light); }
.tl-top .tl-date { font-family: var(--f-num); font-weight: 700; color: var(--c-text-sub); letter-spacing: 0.5px; }
.tl-top .tl-status { margin-left: auto; }
.tl-top .tag-done { background: var(--c-done-soft); color: var(--c-done); }
.tl-top .tag-pending { background: #E4EAF0; color: var(--c-navy-3); }
.tl-content { font-size: 13.5px; margin-top: 6px; }
.tl-comment {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--c-text-sub);
  background: #fff;
  border-left: 2px solid var(--c-gold);
  border-radius: 0 6px 6px 0;
  padding: 6px 10px;
}
.tl-comment .c-label { color: var(--c-gold-deep); font-weight: 600; margin-right: 4px; letter-spacing: 0.3px; }
.tl-comment.empty { border-left-color: var(--c-border); color: var(--c-text-light); }

/* 成绩表 */
.exam-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.exam-table th, .exam-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--c-border); }
.exam-table th { color: var(--c-text-light); font-weight: 500; font-size: 12px; background: var(--c-bg); letter-spacing: 0.3px; }
.exam-table tr:last-child td { border-bottom: none; }
.exam-table td.score { font-weight: 700; color: var(--c-navy-2); font-family: var(--f-num); }
.exam-table td.score .good { color: var(--c-gold-deep); }

/* ================= 按钮 ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 14px;
  letter-spacing: 0.3px;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary { background: var(--c-navy-2); color: #F5F0E4; }
.btn-primary:hover { background: var(--c-navy); }
.btn-accent { background: var(--c-gold); color: #FFFFFF; }
.btn-accent:hover { background: var(--c-gold-deep); }
.btn-ghost { background: #fff; border-color: var(--c-border); color: var(--c-text-sub); }
.btn-ghost:hover { border-color: var(--c-gold); color: var(--c-gold-deep); }
.btn-lg { height: 46px; padding: 0 28px; font-size: 15px; }

/* ================= 表单 ================= */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 13px; color: var(--c-text-sub); font-weight: 500; letter-spacing: 0.5px; }
.form-item label .req { color: var(--c-danger); margin-left: 2px; }
.form-item input, .form-item select, .form-item textarea {
  height: 38px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  padding: 0 12px;
  outline: none;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.form-item textarea { height: 72px; padding: 8px 12px; resize: vertical; }
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  border-color: var(--c-navy-2);
  box-shadow: 0 0 0 3px rgba(18, 35, 58, 0.08);
}
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ================= 学员端（我的备考档案） ================= */
.profile-head {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.profile-head .p-info { flex: 1; min-width: 200px; }
.profile-head .p-name {
  font-family: var(--f-serif);
  font-size: 22px; font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--c-navy-2);
}
.profile-head .p-meta { font-size: 13px; color: var(--c-text-sub); margin-top: 5px; display: flex; flex-wrap: wrap; gap: 6px 14px; }

.ring-wrap { display: flex; gap: 30px; align-items: center; flex-wrap: wrap; margin-top: 22px; }
.ring-box { position: relative; width: 168px; height: 168px; flex: none; }
.ring-box svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-box .ring-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ring-box .ring-value {
  font-family: var(--f-num);
  font-size: 34px; font-weight: 700;
  color: var(--c-gold-deep);
  line-height: 1.1;
}
.ring-box .ring-value .unit { font-size: 14px; font-weight: 400; }
.ring-box .ring-label { font-size: 12px; color: var(--c-text-light); margin-top: 3px; letter-spacing: 0.3px; }

.ring-side { flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 12px; }
.goal-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 13.5px;
}
.goal-card .g-label {
  font-size: 12px; color: var(--c-gold-deep); font-weight: 600;
  letter-spacing: 0.3px;
  display: flex; align-items: center; gap: 5px; margin-bottom: 4px;
}
.stage-row { display: flex; align-items: center; gap: 10px; font-size: 13.5px; flex-wrap: wrap; }
.stage-track {
  flex: 1; min-width: 180px;
  display: flex; align-items: center;
}
.stage-step {
  flex: 1; text-align: center; position: relative; font-size: 12px; color: var(--c-text-light);
  letter-spacing: 0.3px;
}
.stage-step .s-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #EFEAE0; margin: 0 auto 4px;
  border: 2px solid #fff; box-shadow: 0 0 0 2px #EFEAE0;
}
.stage-step.done .s-dot { background: var(--c-navy-3); box-shadow: 0 0 0 2px #E4EAF0; }
.stage-step.current { color: var(--c-navy-2); font-weight: 600; }
.stage-step.current .s-dot { background: var(--c-gold); box-shadow: 0 0 0 2px var(--c-gold-soft); }
.stage-line { height: 2px; flex: 1; background: #EFEAE0; margin-bottom: 18px; }
.stage-line.done { background: var(--c-navy-3); }

/* 周柱状图 */
.bar-chart {
  display: flex; align-items: flex-end; gap: 14px;
  height: 170px;
  padding: 10px 6px 0;
}
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bar-col .bar {
  width: 60%; max-width: 42px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--c-navy-3), var(--c-navy-2));
  min-height: 4px;
  transition: height 0.6s ease;
  position: relative;
}
.bar-col.weekend .bar { background: linear-gradient(180deg, var(--c-gold-light), var(--c-gold)); }
.bar-col .bar-val { font-family: var(--f-num); font-size: 11px; color: var(--c-text-sub); font-weight: 700; }
.bar-col .bar-label { font-size: 12px; color: var(--c-text-light); letter-spacing: 0.3px; }
.bar-col .bar-label.today { color: var(--c-gold-deep); font-weight: 700; }

/* 成绩卡片 */
.exam-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.exam-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 16px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.exam-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.exam-score {
  width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid rgba(201, 168, 92, 0.55);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-num);
  font-weight: 700; font-size: 16px; flex: none;
  background: var(--c-gold-soft); color: var(--c-gold-deep);
}
.exam-score.mid { background: var(--c-bg); color: var(--c-navy-3); border-color: var(--c-border); }
.exam-info .e-subject { font-size: 14px; font-weight: 600; letter-spacing: 0.5px; }
.exam-info .e-meta { font-size: 12px; color: var(--c-text-light); margin-top: 2px; }

/* ================= 登录页 ================= */
.login-body {
  min-height: 100vh;
  display: flex;
}

/* 左侧品牌区 */
.login-brand {
  width: 45%;
  min-width: 380px;
  background: linear-gradient(168deg, var(--c-navy) 0%, var(--c-navy-2) 100%);
  color: #F5F0E4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 60px;
  position: relative;
  overflow: hidden;
}
.login-brand .lb-watermark {
  position: absolute;
  right: -30px; bottom: -60px;
  font-family: var(--f-serif);
  font-size: 340px;
  line-height: 1;
  color: rgba(201, 168, 92, 0.05);
  pointer-events: none;
  user-select: none;
}
.login-brand .lb-seal { width: 76px; height: 76px; margin-bottom: 34px; }
.login-brand .lb-name-zh {
  font-family: var(--f-serif);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 1px;
  line-height: 1.35;
}
.login-brand .lb-name-en {
  margin-top: 14px;
  font-family: var(--f-num);
  font-size: 11.5px;
  letter-spacing: 1px;
  color: var(--c-gold-light);
  text-transform: uppercase;
}
.login-brand .lb-divider {
  width: 44px; height: 1px;
  background: var(--c-gold);
  margin: 34px 0 26px;
  opacity: 0.85;
}
.login-brand .lb-slogan {
  font-size: 15.5px;
  letter-spacing: 0.5px;
  color: rgba(245, 240, 228, 0.75);
}
.login-brand .lb-foot {
  position: absolute;
  left: 60px; right: 60px; bottom: 34px;
  font-size: 12px;
  letter-spacing: 0.3px;
  color: rgba(245, 240, 228, 0.4);
  display: flex;
  align-items: center;
  gap: 14px;
}
.login-brand .lb-foot::before {
  content: "";
  width: 30px; height: 1px;
  background: var(--c-gold);
  opacity: 0.6;
  flex: none;
}

/* 右侧登录区 */
.login-main {
  flex: 1;
  background: var(--c-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  position: relative;
}
.login-main::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(201, 168, 92, 0), var(--c-gold), rgba(201, 168, 92, 0));
  opacity: 0.5;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-gold);
  border-radius: 10px;
  box-shadow: 0 14px 44px rgba(14, 27, 44, 0.08);
  padding: 40px 42px 36px;
  animation: cardIn 0.5s ease;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.lc-title {
  font-family: var(--f-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--c-navy-2);
}
.lc-sub { font-size: 12.5px; color: var(--c-text-light); margin-top: 6px; letter-spacing: 0.3px; }

.login-tabs {
  display: flex;
  margin: 30px 0 26px;
  border-bottom: 1px solid var(--c-border);
}
.login-tab {
  flex: 1;
  background: none;
  border: none;
  font-size: 15px;
  letter-spacing: 0.5px;
  color: var(--c-text-light);
  padding: 10px 0 13px;
  position: relative;
  transition: color 0.2s;
}
.login-tab:hover { color: var(--c-text-sub); }
.login-tab.active { color: var(--c-navy-2); font-weight: 600; }
.login-tab::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -1px;
  width: 0; height: 2px;
  background: var(--c-gold);
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.login-tab.active::after { width: 56px; }

.login-group { display: flex; flex-direction: column; gap: 18px; }
.login-group[hidden] { display: none; }

.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-size: 12.5px;
  color: var(--c-text-sub);
  letter-spacing: 0.3px;
}
.field input, .field select {
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  padding: 0 14px;
  outline: none;
  background: #fff;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field select { appearance: none; -webkit-appearance: none; background-image: none; }
.field .select-wrap { position: relative; }
.field .select-wrap::after {
  content: "";
  position: absolute; right: 16px; top: 50%;
  width: 7px; height: 7px;
  border-right: 1.5px solid var(--c-text-light);
  border-bottom: 1.5px solid var(--c-text-light);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.field input:focus, .field select:focus {
  border-color: var(--c-navy-2);
  box-shadow: 0 0 0 3px rgba(18, 35, 58, 0.08);
}
.field.has-error input, .field.has-error select {
  border-color: var(--c-danger);
  box-shadow: 0 0 0 3px rgba(176, 74, 62, 0.1);
}
.field .f-hint { font-size: 12px; color: var(--c-text-light); }

.login-error {
  display: none;
  font-size: 13px;
  color: var(--c-danger);
  background: rgba(176, 74, 62, 0.07);
  border: 1px solid rgba(176, 74, 62, 0.25);
  border-radius: 6px;
  padding: 9px 13px;
  letter-spacing: 0.5px;
}
.login-error.show { display: block; animation: shakeIn 0.3s ease; }
@keyframes shakeIn {
  0% { transform: translateX(-4px); }
  50% { transform: translateX(4px); }
  100% { transform: translateX(0); }
}

.btn-login {
  width: 100%;
  height: 46px;
  margin-top: 4px;
  background: var(--c-navy-2);
  color: #F5F0E4;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  letter-spacing: 1px;
  transition: background 0.2s, transform 0.15s;
}
.btn-login:hover { background: var(--c-navy); }
.btn-login:active { transform: translateY(1px); }

.demo-note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--c-text-sub);
  background: var(--c-gold-soft);
  border: 1px solid rgba(201, 168, 92, 0.35);
  border-radius: 6px;
  padding: 9px 13px;
  line-height: 1.8;
}
.demo-note b { color: var(--c-gold-deep); font-weight: 600; }

.login-footer {
  position: absolute;
  left: 0; right: 0; bottom: 28px;
  text-align: center;
  font-size: 12px;
  color: var(--c-text-light);
  letter-spacing: 0.3px;
}

/* ================= Toast ================= */
.toast {
  position: fixed;
  top: 78px; left: 50%;
  transform: translate(-50%, -12px);
  background: #fff;
  color: var(--c-text);
  padding: 10px 22px;
  border-radius: 8px;
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-gold);
  box-shadow: 0 10px 30px rgba(14, 27, 44, 0.18);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 200;
}
.toast-show { opacity: 1; transform: translate(-50%, 0); }
.toast-warn { border-left-color: var(--c-danger); }

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
  .student-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .login-body { flex-direction: column; }
  .login-brand {
    width: 100%; min-width: 0;
    padding: 48px 32px 84px;
  }
  .login-brand .lb-name-zh { font-size: 28px; letter-spacing: 1px; }
  .login-brand .lb-watermark { font-size: 220px; }
  .login-brand .lb-foot { left: 32px; right: 32px; bottom: 28px; }
  .login-main::before { display: none; }
}

@media (max-width: 768px) {
  .page { padding: 22px 16px 12px; }
  .topbar { padding: 0 16px; height: 56px; }
  .topbar .brand-sub, .topbar .role-badge { display: none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .student-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .login-card { padding: 30px 24px 28px; }
  .modal-mask { padding: 16px 10px; }
  .toolbar .result-count { margin-left: 0; width: 100%; }
  .section-head h2 { font-size: 17px; }
}

/* ---------- 老师端编辑能力：评阅 / 小按钮 ---------- */
.btn-mini {
  height: 24px;
  padding: 0 10px;
  font-size: 12px;
  border-radius: 6px;
  border: 1px solid #C9A85C;
  background: #FFFDF8;
  color: #A0885A;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}
.btn-mini:hover { background: #C9A85C; color: #FFFDF8; }
.btn-mini.primary {
  background: #C9A85C;
  color: #FFFDF8;
  border-color: #C9A85C;
}
.btn-mini.primary:hover { background: #B3944C; }

.tl-top { display: flex; align-items: center; gap: 10px; }
.tl-top .btn-mini { margin-left: auto; }

.review-form {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.review-input {
  flex: 1;
  height: 34px;
  padding: 0 12px;
  font-size: 13px;
  border: 1px solid #E5DFD2;
  border-radius: 8px;
  background: #FAF8F4;
  color: #2E3A48;
  font-family: inherit;
}
.review-input:focus {
  outline: none;
  border-color: #C9A85C;
  background: #FFFDF8;
}

/* ---------- 科目复选框组（编辑档案） ---------- */
.subject-box {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 12px 14px;
  border: 1px solid #E5DFD2;
  border-radius: 10px;
  background: #FAF8F4;
}
.subj-group { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; }
.subj-group-name {
  font-size: 12px;
  color: #A0885A;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-right: 2px;
}
.subj-check {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: #2E3A48;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 6px;
  background: #FFFDF8;
  border: 1px solid #E5DFD2;
}
.subj-check:hover { border-color: #C9A85C; }
.subj-check input { accent-color: #C9A85C; margin: 0; }

/* =========================================================
   设计升级（国际课程教培质感）：分层品牌区 / 精致卡片 / 细节微交互
   ========================================================= */

/* 品牌区：金色光晕 + 细网格底纹，强化层次 */
.login-brand { position: relative; overflow: hidden; }
.login-brand::before {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  left: -120px; top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,92,0.16) 0%, rgba(201,168,92,0) 70%);
  pointer-events: none;
}
.login-brand::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.login-brand > * { position: relative; z-index: 1; }

/* 品牌区数据条：国际课程体系一览（JS 渲染，也可静态） */
.lb-programs {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(201,168,92,0.35);
  display: flex;
  gap: 26px;
}
.lb-programs .pg-item .pg-name {
  font-size: 15px; font-weight: 600; color: #E8D9AE;
  font-family: "Segoe UI", Arial, sans-serif;
}
.lb-programs .pg-item .pg-sub { font-size: 11.5px; color: #8FA0B5; margin-top: 3px; }

/* 登录卡片：描边 + 更立体的阴影 + 金色顶线细节 */
.login-card {
  border: 1px solid #ECE6D8;
  border-radius: 20px;
  box-shadow: 0 24px 60px -18px rgba(14,27,44,0.25), 0 4px 16px rgba(14,27,44,0.06);
}
.login-card::before {
  content: "";
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #C9A85C 30%, #C9A85C 70%, transparent);
  border-radius: 2px;
}

/* 输入框：聚焦时金色柔光 */
.field input:focus, .field select:focus {
  border-color: #C9A85C;
  box-shadow: 0 0 0 3px rgba(201,168,92,0.15);
}

/* 主按钮：微渐变 + 悬停浮起 */
.btn-login {
  background: linear-gradient(135deg, #16263C 0%, #0E1B2C 100%);
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-login:hover {
  background: linear-gradient(135deg, #1B3050 0%, #12233A 100%);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -8px rgba(14,27,44,0.45);
}
.btn-login:active { transform: translateY(0); }

/* 统计卡与学员卡：悬停浮起 + 金色描边过渡 */
.stat-card, .student-card { transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(14,27,44,0.28); }
.student-card:hover {
  transform: translateY(-2px);
  border-color: rgba(201,168,92,0.65);
  box-shadow: 0 16px 34px -16px rgba(14,27,44,0.3);
}

/* 弹窗头部：细节分隔 */
.modal-head { border-bottom: 1px solid #F0EBE0; padding-bottom: 14px; }

/* ===== 修改密码弹窗 / 导出按钮 ===== */
.modal-sm { max-width: 400px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ===== 管理端扩展：筛选/新建学员/速记/配置/审计/停用态 ===== */
.tb-select {
  height: 38px;
  padding: 0 30px 0 12px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  background: #fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236E7B88' fill='none' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  font-family: inherit;
  font-size: 13px;
  color: var(--c-text);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  white-space: nowrap;
}
.tb-select:focus { outline: none; border-color: var(--c-gold); box-shadow: 0 0 0 3px rgba(201, 168, 92, 0.15); }

.chk-line {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--c-text-sub); cursor: pointer; white-space: nowrap;
}
.chk-line input { accent-color: var(--c-gold-deep); }

.student-card.inactive { opacity: 0.62; }
.student-card.inactive .sc-name { color: var(--c-text-sub); }

.modal-md { max-width: 640px; }
.modal-lg { max-width: 960px; }

.parent-chip {
  font-family: var(--f-num);
  font-size: 12px;
  color: var(--c-gold-deep);
  background: var(--c-gold-soft);
  border: 1px solid rgba(201, 168, 92, 0.4);
  border-radius: 6px;
  padding: 4px 10px;
  letter-spacing: 0.5px;
}

.cfg-list { display: flex; flex-direction: column; gap: 8px; }
.cfg-row {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 8px 10px;
  background: #FFFDF8;
}
.cfg-row .tag { flex: none; }
.cfg-name { font-size: 13px; color: var(--c-text); flex: 1; }

.audit-table th, .audit-table td { font-size: 12.5px; padding: 8px 10px; text-align: left; }
.audit-ts { font-family: var(--f-num); color: var(--c-text-sub); white-space: nowrap; }
.audit-detail { color: var(--c-text-sub); max-width: 320px; }

/* ===== 待评阅角标与下拉面板 ===== */
.pending-bell { position: relative; }
.badge-count {
  display: inline-block;
  min-width: 17px;
  height: 17px;
  line-height: 17px;
  padding: 0 4px;
  margin-left: 5px;
  border-radius: 9px;
  background: var(--c-danger);
  color: #fff;
  font-family: var(--f-num);
  font-size: 10.5px;
  font-weight: 600;
  text-align: center;
  vertical-align: 1px;
}
.pending-bell:hover .badge-count { background: #c1503f; }

.pending-panel {
  position: fixed;
  top: 58px;
  right: 24px;
  z-index: 90;
  width: 300px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-gold);
  border-radius: 10px;
  box-shadow: 0 16px 40px rgba(14, 27, 44, 0.22);
  padding: 10px;
}
.pp-title {
  font-family: var(--f-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-navy-2);
  padding: 4px 6px 8px;
  letter-spacing: 0.5px;
}
.pp-row {
  display: flex; align-items: center; gap: 8px;
  width: 100%;
  border: none; background: transparent;
  padding: 8px 8px;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.pp-row:hover { background: var(--c-gold-soft); }
.pp-name { font-size: 13px; color: var(--c-text); flex: 1; }
.pp-no { font-family: var(--f-num); font-size: 11.5px; color: var(--c-text-light); }

/* ================= 手机适配（≤768 补强 + ≤576 手机档） ================= */
.config-grid { grid-template-columns: 1fr 1.4fr; }

@media (max-width: 768px) {
  .topbar { height: auto; min-height: 56px; flex-wrap: wrap; padding: 8px 14px; row-gap: 6px; }
  .topbar .brand { font-size: 15px; }
  .topbar .user-link { font-size: 12px; padding: 5px 9px; }
  .section-head { flex-wrap: wrap; align-items: center; }
  .section-head .btn { margin-left: 0 !important; }
  .detail-grid { gap: 16px; }
  .modal-head { padding: 14px 16px; }
  .modal-body { padding: 16px 14px 20px; }
  .ring-wrap { gap: 18px; justify-content: center; }
  .config-grid { grid-template-columns: 1fr; }
  .audit-table th:nth-child(4), .audit-table td:nth-child(4) { display: none; }
}

@media (max-width: 576px) {
  /* 顶栏：链接换行铺满，防溢出 */
  .topbar { padding: 8px 12px; }
  .topbar .user-link { padding: 5px 8px; font-size: 11.5px; }
  .topbar .user-chip { font-size: 12px; }

  /* 登录页：品牌区收紧为顶部横幅 */
  .login-brand { padding: 30px 22px 104px; }
  .login-brand .lb-name-zh { font-size: 24px; }
  .login-brand .lb-name-en { font-size: 11px; margin-top: 6px; }
  .login-brand .lb-divider { margin: 14px 0; }
  .login-brand .lb-slogan { font-size: 13px; margin-top: 0; }
  .login-brand .lb-programs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin-top: 16px; }
  .login-brand .lb-programs .pg-item { padding: 6px 0; }
  .login-brand .lb-foot { left: 22px; right: 22px; bottom: 22px; font-size: 10.5px; }
  .login-main { padding: 28px 14px 64px; }
  .login-card { padding: 26px 20px 22px; }
  .lc-title { font-size: 19px; }
  .login-tabs .login-tab { font-size: 13.5px; padding: 10px 6px; }
  .btn-login { height: 46px; font-size: 15px; }
  .demo-note { font-size: 11.5px; padding: 10px 12px; }
  .login-footer { bottom: 18px; }

  /* 工作台：卡片单列、统计 2 列收紧 */
  .page { padding: 16px 12px 10px; }
  .stat-grid { gap: 10px; }
  .stat-card { padding: 14px 14px; }
  .stat-value { font-size: 20px; }
  .toolbar { gap: 8px; margin-bottom: 14px; }
  .search-box { flex: 1 1 100%; }
  .filter-tabs { width: 100%; order: 3; }
  .filter-tab { flex: 1; padding: 8px 6px; font-size: 12.5px; }
  .tb-select { flex: 1 1 44%; min-width: 0; }
  #btn-export { flex: 1 1 44%; }
  .toolbar .result-count { width: auto; margin-left: auto; }
  .student-card { padding: 14px; }
  .sc-tags { gap: 5px; }

  /* 弹窗：满宽贴边，头部操作换行 */
  .modal-mask { padding: 10px 8px; align-items: flex-start; }
  .modal { border-radius: 10px; }
  .m-title span { font-size: 15px; }
  .modal .m-sub { font-size: 11px; }
  .modal-head .avatar.lg { width: 38px; height: 38px; font-size: 16px; }
  .detail-body-actions, .modal-body > div[style*="justify-content:flex-end"] { flex-wrap: wrap !important; }
  .modal-body > div[style*="justify-content:flex-end"] .btn { height: 30px !important; padding: 0 10px !important; font-size: 12px !important; }
  .parent-chip { font-size: 11px; padding: 3px 8px; }
  .detail-summary { gap: 8px; }
  .detail-summary .item { width: 100%; }
  .form-actions { flex-wrap: wrap; }
  .form-actions .btn { flex: 1; }
  .review-form { flex-direction: column; }
  .review-form .review-input { width: 100% !important; }

  /* 表格横向滚动 */
  #audit-table-wrap, .detail-block { min-width: 0; }
  .exam-table { display: block; overflow-x: auto; white-space: nowrap; }

  /* 待评阅面板：满宽 */
  .pending-panel { left: 10px; right: 10px; width: auto; top: 62px; }

  /* 学员端 / 家长端 */
  .profile-head { gap: 12px; }
  .ring-box svg { width: 150px; height: 150px; }
  .goal-card { padding: 12px 14px; }
  .exam-cards { grid-template-columns: 1fr 1fr; gap: 10px; }
  .exam-card { padding: 12px 10px; flex-direction: column; text-align: center; gap: 6px; }
  .bar-chart { gap: 6px; }
  .tl-card { padding: 12px 12px; }
  .tl-top { flex-wrap: wrap; gap: 6px; }
}

/* 手机/窄屏：品牌横幅不参与 flex 压缩（否则 padding 被挤掉、页脚压住内容） */
@media (max-width: 860px) {
  .login-brand { flex: none; }
  .login-main { flex: none; }
}

/* ===== 全站水印（左下角署名） ===== */
.wm-credit {
  position: fixed;
  left: 10px;
  bottom: 6px;
  z-index: 200;
  font-family: var(--f-serif);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: rgba(201, 168, 92, 0.85);
  text-shadow: 0 0 6px rgba(14, 27, 44, 0.18);
  pointer-events: none;
  user-select: none;
}