/* ============================================================
 * app.css · 布局与业务页面
 * ============================================================ */

/* ---------------- 登录页 ---------------- */
body.login-mode { background: linear-gradient(160deg, #f7f4ec 0%, #ece7da 100%); }
.login-wrap { max-width: 1080px; margin: 0 auto; padding: 8vh 24px 60px; }
.login-brand { text-align: center; margin-bottom: 34px; }
.login-brand h1 {
  font-family: var(--serif); font-size: 40px; letter-spacing: 8px;
  color: var(--ink); font-weight: 700;
}
.login-brand p { color: var(--muted); margin-top: 12px; letter-spacing: 1px; }
.login-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.role-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 18px; text-align: left; display: flex; flex-direction: column; gap: 8px;
  box-shadow: var(--shadow); transition: .18s; border-top: 4px solid var(--rc);
}
.role-card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(60, 50, 30, .14); }
.rc-badge { font-size: 15px; font-weight: 700; color: var(--rc); }
.rc-desc { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.rc-acc { font-size: 11.5px; color: #a8a294; margin-top: 6px; font-family: ui-monospace, Consolas, monospace; }
.login-form {
  margin: 28px auto 0; max-width: 380px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 22px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 12px;
}
.lf-title { font-size: 14px; font-weight: 700; color: var(--ink); }
.login-form input { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; outline: none; }
.login-form input:focus { border-color: var(--ink); }
.lf-tip { font-size: 11.5px; color: var(--muted); line-height: 1.7; }

/* ---------------- 外壳 ---------------- */
.shell { display: flex; height: 100vh; overflow: hidden; }
.side {
  width: 218px; flex: 0 0 218px; background: #fff; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 16px 12px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; }
.brand .logo {
  width: 38px; height: 38px; border-radius: 10px; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-family: var(--serif); font-size: 20px; font-weight: 700;
}
.brand b { display: block; font-size: 14px; color: var(--ink); font-family: var(--serif); letter-spacing: .5px; }
.brand small { font-size: 11px; color: var(--muted); }
.nav { display: flex; flex-direction: column; gap: 3px; flex: 1; overflow: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px;
  background: none; border: none; font-size: 13.5px; color: #4a4a44; text-align: left; transition: .15s;
}
.nav-item:hover { background: #f6f3ea; }
.nav-item.active { background: var(--ink); color: #fff; font-weight: 600; }
.nav-item .ni { font-size: 15px; width: 18px; text-align: center; }
.side-foot { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 8px; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 56px; flex: 0 0 56px; background: #fff; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; padding: 0 22px;
}
.crumb { font-size: 13px; color: var(--muted); }
.tb-right { display: flex; align-items: center; gap: 14px; }
.who { text-align: right; line-height: 1.35; }
.who b { display: block; font-size: 13px; color: var(--ink); }
.who small { font-size: 11px; color: var(--muted); }
.view { flex: 1; overflow: auto; padding: 20px 24px 40px; }

/* 角色主题色 */
body.role-teacher .nav-item.active { background: var(--blue); }
body.role-org .nav-item.active { background: var(--gold); }
body.role-admin .nav-item.active { background: #3a3f4a; }
body.role-teacher .brand .logo { background: var(--blue); }
body.role-org .brand .logo { background: var(--gold); }
body.role-admin .brand .logo { background: #3a3f4a; }

/* ---------------- 页面通用 ---------------- */
.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 18px; flex-wrap: wrap;
}
.page-head h2 { font-size: 20px; color: var(--ink); font-family: var(--serif); letter-spacing: 1px; }
.page-head p { margin-top: 5px; font-size: 12.5px; }
.head-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.grid-2-1 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; align-items: start; }
.grid-1-2 { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

/* ---------------- 统计卡 ---------------- */
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat-label { font-size: 12.5px; color: var(--muted); }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 6px; font-family: var(--serif); }
.stat-value small { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 4px; }

/* ---------------- 篇目卡 ---------------- */
.essay-card { overflow: hidden; display: flex; flex-direction: column; }
.essay-cover { position: relative; aspect-ratio: 16/9; background: #f2ede0; overflow: hidden; }
.essay-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover-ph {
  height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; color: var(--ink); font-family: var(--serif); font-size: 20px; letter-spacing: 3px;
  background: repeating-linear-gradient(45deg, #f6f2e7, #f6f2e7 12px, #f1ece0 12px, #f1ece0 24px);
}
.cover-ph small { font-size: 11px; letter-spacing: 0; color: var(--muted); }
.cover-ph.sm { font-size: 13px; letter-spacing: 1px; }
.cover-badge {
  position: absolute; left: 10px; top: 10px; background: rgba(45, 74, 62, .88); color: #fff;
  font-size: 11px; padding: 3px 9px; border-radius: 999px;
}
.cover-badge.modern { background: rgba(47, 93, 140, .88); }
.essay-meta { padding: 12px 14px 14px; display: flex; flex-direction: column; }
.essay-title { font-size: 15px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.kv-mini { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 8px 0; font-size: 12px; color: var(--muted); }
.kv-mini b { color: var(--ink); }

/* ---------------- 任务列表 ---------------- */
.task-list { display: flex; flex-direction: column; gap: 10px; }
.task-row { display: flex; gap: 12px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 10px; }
.task-cover { width: 62px; height: 62px; border-radius: 8px; overflow: hidden; flex: 0 0 62px; background: #f2ede0; }
.task-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.task-cover .cover-ph { height: 100%; font-size: 12px; letter-spacing: 0; }
.task-body { flex: 1; min-width: 0; }
.task-title { font-size: 14px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.task-act { flex: 0 0 auto; }

/* ---------------- 环形 / 列表 ---------------- */
.ring-wrap { display: flex; align-items: center; gap: 16px; }
.ring-note b { display: block; font-size: 18px; color: var(--ink); font-family: var(--serif); }
.mini-list { margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.mini-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }

.cls-list { display: flex; flex-direction: column; gap: 6px; }
.cls-row {
  display: flex; flex-direction: column; gap: 3px; text-align: left; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 9px; background: #fff; transition: .15s;
}
.cls-row:hover { border-color: var(--ink-2); }
.cls-row.active { background: #f1f6f2; border-color: var(--ink); }
.cls-row b { font-size: 13.5px; color: var(--ink); }
.cls-row small { font-size: 11.5px; color: var(--muted); }

.rank-list { display: flex; flex-direction: column; gap: 8px; }
.rank-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.rk {
  width: 22px; height: 22px; border-radius: 6px; background: #f0ece1; color: var(--muted);
  display: grid; place-items: center; font-size: 11.5px; font-weight: 700;
}
.rk1 { background: var(--seal); color: #fff; }
.rk2, .rk3 { background: var(--gold); color: #fff; }
.rn { flex: 1; display: flex; flex-direction: column; }
.rn small { font-size: 11px; color: var(--muted); }
.rv { font-size: 12px; color: var(--muted); }

.feed { display: flex; flex-direction: column; gap: 9px; }
.feed-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.feed-row .muted { margin-left: auto; }

.info-row { display: flex; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.info-row:last-child { border-bottom: none; }
.info-row .ik { width: 120px; color: var(--muted); flex: 0 0 120px; }
.info-row .iv { color: var(--text); }

.quota { margin-bottom: 16px; }
.quota-head { display: flex; justify-content: space-between; font-size: 12.5px; margin-bottom: 6px; }
.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 10px; }
.badge {
  border: 1px dashed var(--line); border-radius: 10px; padding: 12px 10px; text-align: center;
  display: flex; flex-direction: column; gap: 4px; opacity: .45; background: #fbf9f4;
}
.badge.got { opacity: 1; background: #fdfaf0; border: 1px solid #ecdfbe; }
.badge .bi { font-size: 22px; }
.badge b { font-size: 12.5px; color: var(--ink); }
.badge small { font-size: 11px; color: var(--muted); line-height: 1.4; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tab {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 7px 16px; font-size: 13px; color: #4a4a44;
}
.tab.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.tab-n { opacity: .7; font-size: 11.5px; }

/* ---------------- 四部曲学习页 ---------------- */
.four-head {
  display: flex; align-items: baseline; gap: 12px; margin: 4px 0 12px;
  padding: 12px 16px; background: linear-gradient(90deg, #eef4ef, #f7f4ea);
  border: 1px solid var(--line); border-radius: 12px;
}
.fh-ic { font-size: 18px; }
.fh-title { font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: 4px; color: var(--ink); }
.fh-path { margin-left: auto; }
.learn-head {
  display: flex; align-items: center; gap: 16px; margin-bottom: 14px; flex-wrap: wrap;
}
.learn-title { flex: 1; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.learn-title h2 { font-family: var(--serif); font-size: 24px; color: var(--ink); letter-spacing: 3px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.step-tab {
  display: flex; align-items: center; gap: 10px; border: 1px solid var(--line);
  background: #fff; border-radius: 10px; padding: 14px 16px; font-size: 15px; color: #4a4a44;
  transition: .16s; text-align: left;
}
.step-tab i { font-style: normal; font-size: 18px; color: var(--muted); }
.step-tab:hover { border-color: var(--ink-2); }
.step-tab.active { border-color: var(--ink); background: #f1f6f2; color: var(--ink); font-weight: 700; }
.step-tab.active i { color: var(--ink); }
.step-tab.done i { color: var(--green); }
.step-tab.locked { opacity: .55; cursor: not-allowed; }
.learn-body { min-height: 340px; }
.learn-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); flex-wrap: wrap;
}
.step-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; position: relative; box-shadow: var(--shadow); }
.step-badge {
  position: absolute; right: 20px; top: 18px; background: var(--seal); color: #fff;
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
}
.step-tip { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; padding-right: 130px; line-height: 1.7; }
.step-switch { margin-bottom: 14px; }

/* 第①步 两栏 */
.col-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 8px; }
.col-left { padding-right: 26px; }
.col-right { border-left: 1px dashed var(--line); padding-left: 26px; }
.col-title { font-size: 12px; color: var(--muted); letter-spacing: 2px; margin-bottom: 12px; }
.py-line { text-align: center; padding: 9px 0; }
.py { color: #a09a8b; font-size: 11.5px; letter-spacing: .6px; margin-bottom: 5px; }
.orig { font-family: var(--serif); font-size: 19px; font-weight: 700; color: #23231f; letter-spacing: 2px; }
.ex-item { padding: 6px 0; line-height: 1.75; }
.ex-item b { color: var(--seal); font-size: 11.5px; margin-right: 7px; }
.ex-s { font-family: var(--serif); font-weight: 700; color: var(--ink); }
.ex-d { color: #5c5c56; font-size: 12.5px; margin-left: 8px; }

/* 第②③步 图文网格（Z 字路线） */
.mgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px 26px; padding: 6px 4px; }
.mcell {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 8px; box-shadow: 0 3px 10px rgba(60, 50, 30, .07);
}
.mcell.empty-cell { background: transparent; border-color: transparent; box-shadow: none; }
.mnum {
  position: absolute; left: -9px; top: -9px; width: 27px; height: 27px; border-radius: 50%;
  background: var(--seal); color: #fff; font-size: 12px; font-weight: 700;
  display: grid; place-items: center; z-index: 2; box-shadow: 0 2px 7px rgba(184, 84, 80, .45);
}
.mimg { border-radius: 8px; overflow: hidden; background: #f2ede0; aspect-ratio: 1/1; border: 3px solid #fff; box-shadow: inset 0 0 0 1px #ece6d8; }
.mimg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-ph {
  height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  color: var(--ink); font-family: var(--serif); font-size: 15px; letter-spacing: 2px; text-align: center; padding: 8px;
  background: repeating-linear-gradient(45deg, #f8f5ec, #f8f5ec 10px, #f3eee2 10px, #f3eee2 20px);
}
.img-ph small { font-size: 11px; letter-spacing: 0; color: var(--muted); }
.mtext { margin-top: 7px; text-align: center; font-family: var(--serif); font-weight: 700; font-size: 14px; color: var(--ink); letter-spacing: 1px; }
.mtext.hidden-text { visibility: hidden; }

/* 连接线：短横线 + 两端小竖线，位于卡片顶部间隙 */
.mcell.conn-r::after {
  content: ''; position: absolute; right: -26px; top: -9px; width: 26px; height: 13px;
  border-top: 1.5px solid #c9c2b2; border-left: 1.5px solid #c9c2b2; border-right: 1.5px solid #c9c2b2;
  border-radius: 2px 2px 0 0;
}
.mcell.conn-v::before {
  content: ''; position: absolute; left: 50%; bottom: -22px; width: 1.5px; height: 22px; background: #c9c2b2;
}
.pager {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin-top: 26px; font-size: 12.5px; color: var(--muted);
}

/* 第④步 默写 */
.bk-sheet { display: flex; flex-direction: column; }
.bk-line {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  padding: 13px 6px; border-bottom: 1px dashed var(--line);
  font-family: var(--serif); font-size: 17px; color: #23231f; letter-spacing: 1px;
}
.bk-line:last-child { border-bottom: none; }
.bk-no { color: var(--seal); font-size: 12px; font-family: var(--sans); }
.bk-input {
  border: none; border-bottom: 1.5px solid var(--ink); background: #fbf9f3;
  font-family: var(--serif); font-size: 16px; color: var(--ink); text-align: center;
  padding: 3px 6px; outline: none; border-radius: 5px 5px 0 0; letter-spacing: 1px;
}
.bk-input:focus { background: #fdfbf5; border-color: var(--seal); }
.bk-input.ok { border-color: var(--green); background: #eff7f1; color: var(--green); }
.bk-input.bad { border-color: var(--seal); background: #fdf1f0; color: var(--seal); }
.bk-flag { font-size: 12px; font-family: var(--sans); letter-spacing: 0; }
.bk-flag.ok { color: var(--green); }
.bk-flag.bad { color: var(--seal); }
.bk-answer { color: var(--seal); font-weight: 700; border-bottom: 1.5px solid #eccfc9; padding: 0 6px; }
.bk-actions { margin-top: 18px; }

/* 结果弹窗 */
.result-head { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; }
.rh-score { font-family: var(--serif); font-size: 40px; font-weight: 700; line-height: 1; }
.rh-score small { font-size: 13px; margin-left: 3px; }
.rh-score.ok { color: var(--green); }
.rh-score.bad { color: var(--seal); }

/* 预览弹窗 */
.preview-meta { font-size: 12.5px; color: var(--muted); margin-bottom: 16px; }
.preview-box { background: #fbf9f4; border-radius: 10px; padding: 14px 16px; margin-bottom: 8px; }
.sect-title {
  font-size: 13.5px; font-weight: 700; color: var(--ink); margin: 18px 0 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}

/* 分句编辑表 */
.sent-table { margin-top: 8px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.st-head, .st-row {
  display: grid; grid-template-columns: 52px 1.1fr 1.3fr 1.5fr 1.3fr 46px 52px;
  gap: 8px; align-items: center; padding: 7px 10px;
}
.st-head { background: #f7f4ea; font-size: 11.5px; color: var(--muted); }
.st-row { border-top: 1px solid #f2eee4; }
.st-row input[type=text], .st-row input:not([type]) { width: 100%; }
.st-row input {
  border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; font-size: 12.5px;
  outline: none; background: #fefdfa; min-width: 0;
}
.st-row input:focus { border-color: var(--ink); background: #fff; }
.cb { display: flex; justify-content: center; }
.cb input { width: auto; }

/* ============================================================
 * 篇目编辑器 · 表单辅助与题库编辑
 * ============================================================ */
.f-note { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.f-note .ok-t { color: var(--green); font-weight: 700; }
.f-note .warn-t { color: var(--gold); font-weight: 700; }
.form textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  background: #fefdfa; color: var(--text); outline: none; resize: vertical;
  font-family: inherit; font-size: 13px; line-height: 1.7;
}
.form textarea:focus { border-color: var(--ink); background: #fff; }

/* 分类徽标（篇目库卡片） */
.essay-taxo { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 4px; }
.cate-badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 11.5px; background: #e8efe9; color: var(--ink); border: 1px solid #cfe0d5;
}
.cate-badge.modern { background: #e7eff7; color: var(--blue); border-color: #cddff0; }

/* 题库编辑器 */
.qe-add { display: flex; gap: 6px; }
.exam-edit { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.exam-edit:empty::after {
  content: '还没有题目 —— 点右上角「+ 单选 / + 填空 / + 翻译」开始录入';
  display: block; padding: 18px; text-align: center;
  font-size: 12.5px; color: var(--muted);
  border: 1px dashed var(--line); border-radius: 10px; background: #fbf9f4;
}
.qe { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fdfcf8; }
.qe-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.qe-type {
  font-size: 11.5px; padding: 2px 9px; border-radius: 999px;
  background: #eceae2; color: #6b6355; border: 1px solid #ded9cb;
}
.qe-type.choice { background: #e7eff7; color: var(--blue); border-color: #cddff0; }
.qe-type.fill { background: #e8efe9; color: var(--ink); border-color: #cfe0d5; }
.qe-type.translate { background: #f7ece6; color: #9a5a34; border-color: #ecd6c8; }
.qe-no { font-size: 12px; color: var(--muted); }
.qe-head .link { margin-left: auto; }
.qe-field {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12.5px; color: var(--muted); margin-bottom: 8px;
}
.qe input {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  background: #fff; color: var(--text); outline: none; font-family: inherit; font-size: 13px;
}
.qe input:focus { border-color: var(--ink); }
.qe-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.qe-opt { display: flex; align-items: center; gap: 8px; }
.qe-opt input.f-o { flex: 1; min-width: 0; }
.qe-radio { display: flex; align-items: center; gap: 5px; cursor: pointer; flex: 0 0 auto; }
.qe-radio input { width: auto; margin: 0; cursor: pointer; }
.qe-radio span { font-size: 12px; color: var(--muted); font-weight: 700; }

/* ============================================================
 * 作者档案
 * ============================================================ */
.author-item { padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.author-item.todo { border-left: 3px solid var(--gold); }
.ai-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.ai-head .tag { white-space: nowrap; flex: 0 0 auto; }
.ai-name { font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: 2px; }
.ai-title { font-size: 12.5px; color: var(--muted); }
.ai-bio { font-size: 12.5px; line-height: 1.8; color: #55554e; }
.ai-works, .ai-essays {
  font-size: 12px; color: var(--muted);
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.ai-essays { margin-top: 2px; }
.author-item .row-gap { margin-top: 6px; }

/* ---------------- 原文朗读（TTS） ---------------- */
.tts-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.tts-one { border: none; background: none; cursor: pointer; font-size: 14px; padding: 2px 4px; opacity: .75; }
.tts-one:hover { opacity: 1; transform: scale(1.12); }
.ex-item .tts-one { margin-left: auto; }

/* ---------------- 学习页 · 文本还原入口 ---------------- */
.restore-entry { margin-top: 22px; }
.restore-entry .panel-head { margin-bottom: 6px; }
.restore-entry .btn { margin-top: 10px; }

/* ---------------- 通关挑战 · 两板块 ---------------- */
.game-sec { margin-bottom: 22px; }
.gs-title { font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: 2px; margin-bottom: 10px; }
.game-card.fast { border-color: #d8cfb4; background: linear-gradient(180deg, #fdfcf6, #f7f2e4); }
.gp-hint { margin: 10px 2px; }

/* ---------------- 工作台 · 快速通关入口卡 ---------------- */
.img-mode.fast { border-color: #d8cfb4; background: linear-gradient(180deg, #fdfcf6, #f7f2e4); }

/* ---------------- 家长知情与数据说明 ---------------- */
.pv-item {
  padding: 8px 12px; margin: 6px 0; font-size: 13.5px; line-height: 1.7;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
}
.pv-agree {
  display: flex; align-items: center; gap: 8px; margin-top: 12px; padding: 10px 12px;
  background: rgba(45, 74, 62, .06); border: 1px solid rgba(45, 74, 62, .25);
  border-radius: 8px; font-size: 13.5px; cursor: pointer;
}
.pv-acts { display: flex; gap: 10px; margin-top: 10px; }

/* ---------------- 第④步 · 选词填空 ---------------- */
.bk-slot {
  display: inline-block; min-width: 88px; padding: 2px 10px; text-align: center;
  border-bottom: 2px solid var(--ink-2); border-radius: 6px 6px 0 0; font-weight: 700;
  background: #fbfaf4; font-size: 16px; letter-spacing: 2px;
}
.bk-slot.ok { background: #eaf4ec; border-color: #2d4a3e; }
.bk-slot.bad { background: #f9ecea; border-color: #b85450; }
.bk-opts { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 2px 34px; }
.bk-opt {
  padding: 5px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--card);
  font-size: 14px; cursor: pointer; transition: .14s; letter-spacing: 1px;
}
.bk-opt:hover { border-color: var(--ink-2); transform: translateY(-1px); }
.bk-opt.sel { background: #2d4a3e; border-color: #2d4a3e; color: #fff; }

/* ---------------- 通关挑战 · 一行三卡 ---------------- */
.grid-cards.three { grid-template-columns: repeat(3, 1fr); }

/* ---------------- 文本还原 ---------------- */
.restore-wrap { display: grid; grid-template-columns: 1fr 230px; gap: 16px; align-items: start; }
.rs-row {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; margin-bottom: 10px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
}
.rs-row.ok { border-color: rgba(45, 74, 62, .45); background: linear-gradient(90deg, #f2f8f3, #fff 70%); }
.rs-row.bad { border-color: rgba(184, 84, 80, .45); background: linear-gradient(90deg, #faf0ef, #fff 70%); }
.rs-no { flex: none; width: 22px; height: 22px; border-radius: 50%; background: #eef2ee; color: var(--ink-2);
  display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.rs-txt { font-size: 17px; letter-spacing: 2px; line-height: 2; }
.rchar { padding: 1px 2px; border-radius: 4px; }
.rchar.clk { cursor: pointer; }
.rchar.clk:hover { background: #eef2ee; }
.rchar.sel { background: #2d4a3e; color: #fff; }
.rchar.waswrong { background: #b85450; color: #fff; }
.rs-acts { flex: none; display: flex; gap: 6px; margin-left: auto; }
.rs-acts .btn.active-fix { background: #2d4a3e; color: #fff; }
.rs-flag { flex: none; width: 100%; font-size: 12.5px; margin-top: 6px; }
.rs-row { flex-wrap: wrap; }
.rs-row .rs-txt { flex: 1 1 auto; }
.rs-flag.ok { color: #2d4a3e; }
.rs-flag.bad { color: #b85450; }
.rs-bank {
  position: sticky; top: 12px; padding: 14px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px;
}
.rs-bank b { font-family: var(--serif); font-size: 16px; letter-spacing: 2px; }
.rs-bank-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.bank-chip {
  width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 8px; background: #fbfaf4;
  font-size: 17px; font-family: var(--serif); cursor: pointer; transition: .14s;
}
.bank-chip:hover { border-color: var(--ink-2); transform: translateY(-2px); }
.bank-chip:disabled { opacity: .4; cursor: default; transform: none; }

/* ---------------- 布置任务 · 必达说明 ---------------- */
.assign-core {
  border: 1px solid rgba(45, 74, 62, .35);
  background: rgba(45, 74, 62, .06);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 12px;
  display: flex; flex-direction: column; gap: 3px;
}
.assign-core b { color: var(--ink); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1280px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2-1, .grid-2, .grid-1-2 { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .side { display: none; }
  .login-grid { grid-template-columns: 1fr 1fr; }
  .col-2 { grid-template-columns: 1fr; }
  .col-right { border-left: none; padding-left: 0; border-top: 1px dashed var(--line); padding-top: 16px; margin-top: 8px; }
  .mgrid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .form.grid3 { grid-template-columns: 1fr; }
  .st-head, .st-row { grid-template-columns: 1fr; }
}

/* ============================================================
 * 第③步 · 背诵检测（文本级判分）
 * ============================================================ */
.step-switch { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* 卡片热力图：按句掌握度着色 */
.mcell.heat-ok { box-shadow: 0 0 0 2px rgba(45, 122, 79, .35), 0 3px 10px rgba(60, 50, 30, .07); }
.mcell.heat-warn { box-shadow: 0 0 0 2px rgba(138, 109, 59, .45), 0 3px 10px rgba(60, 50, 30, .07); }
.mcell.heat-bad { box-shadow: 0 0 0 2px rgba(184, 84, 80, .55), 0 3px 10px rgba(60, 50, 30, .07); }
.heat-badge {
  position: absolute; right: -6px; top: -10px; z-index: 2;
  background: var(--seal); color: #fff; font-size: 10.5px; padding: 2px 7px;
  border-radius: 999px; white-space: nowrap; box-shadow: 0 2px 7px rgba(184, 84, 80, .35);
}
.mcell.heat-warn .heat-badge { background: var(--gold); box-shadow: 0 2px 7px rgba(138, 109, 59, .35); }

.recite-panel { margin-top: 20px; border-top: 3px solid var(--ink); }
.recite-panel .step-badge { background: var(--ink); }
.recite-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.recite-input {
  width: 100%; min-height: 84px; resize: vertical; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: #fbf9f3;
  font-family: var(--serif); font-size: 14px; line-height: 1.85; letter-spacing: 1px; color: var(--text);
}
.recite-input:focus { outline: none; border-color: var(--ink); background: #fff; }
.recite-threshold { margin-top: 10px; line-height: 1.8; }

.recite-result { margin-top: 20px; border-top: 1px dashed var(--line); padding-top: 18px; }
.rr-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.rr-head .rr-score {
  width: 78px; height: 78px; border-radius: 50%; display: grid; place-items: center;
  font-size: 28px; font-weight: 800; color: #fff; background: var(--ink); line-height: 1;
}
.rr-head.bad .rr-score { background: var(--seal); }
.rr-head .rr-score small { font-size: 11px; font-weight: 400; display: block; margin-top: 2px; }
.rr-head b { font-size: 15px; color: var(--ink); }

.recite-stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-bottom: 18px; }
.rstat { background: #fbf9f3; border: 1px solid var(--line); border-radius: 10px; padding: 10px 8px; text-align: center; }
.rs-l { font-size: 11.5px; color: var(--muted); margin-bottom: 4px; }
.rs-v { font-size: 17px; font-weight: 700; }

.grid-2-vg { display: grid; grid-template-columns: 1.25fr 1fr; gap: 16px; margin-bottom: 22px; }
.vg-box { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fff; }
.vg-title { font-size: 12px; color: var(--muted); margin-bottom: 10px; letter-spacing: 1px; }
.vg-row {
  display: grid; grid-template-columns: 1fr 78px 1fr; align-items: center; gap: 8px;
  padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 12.5px;
}
.vg-row:last-child { border-bottom: none; }
.vg-l { color: #55554e; }
.vg-v { font-weight: 700; text-align: right; color: var(--ink); }
.vg-t { text-align: right; font-size: 11.5px; color: var(--muted); }
.vg-row.ok .vg-t { color: var(--green); }
.vg-row.bad .vg-v, .vg-row.bad .vg-t { color: var(--seal); }
.vg-row.na { opacity: .6; }

.recite-pauses .pz-row { font-size: 12.5px; color: #55554e; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.recite-pauses .pz-row:last-child { border-bottom: none; }
.recite-pauses b { color: var(--seal); }
.pz-tag {
  display: inline-block; margin-left: 6px; padding: 1px 6px; border-radius: 8px;
  font-size: 11px; color: #8a6d3b; background: rgba(138, 109, 59, .12);
  border: 1px solid rgba(138, 109, 59, .25);
}

.recite-tbl td { font-size: 12.5px; vertical-align: top; }
.recite-tbl .s-ok td { background: rgba(45, 122, 79, .04); }
.recite-tbl .s-warn td { background: rgba(138, 109, 59, .05); }
.recite-tbl .s-bad td { background: rgba(184, 84, 80, .06); }
.recite-tbl .s-bad td:nth-child(2) { font-family: var(--serif); color: #23231f; }
.sflag { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; font-size: 11px; color: #fff; }
.sflag.ok { background: var(--green); }
.sflag.warn { background: var(--gold); }
.sflag.bad { background: var(--seal); }
.mk { display: inline-block; font-style: normal; font-size: 11.5px; padding: 1px 8px; border-radius: 999px; margin: 2px 6px 2px 0; }
.mk.miss { background: #fbeceb; color: var(--seal); font-weight: 700; }
.mk.wrong { background: #fbeceb; color: var(--seal); }
.mk.homo, .mk.near { background: #f6f1e4; color: var(--gold); }
.mk.extra { background: #eef1f6; color: var(--blue); }
.mk.pause { background: #fbeceb; color: var(--seal); }
.hint-box.ok-box { background: #eef6f0; border-color: #cfe4d7; color: var(--ink); }

@media (max-width: 1280px) {
  .recite-stats { grid-template-columns: repeat(3, 1fr); }
  .grid-2-vg { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .recite-stats { grid-template-columns: repeat(2, 1fr); }
  .vg-row { grid-template-columns: 1fr 64px 1fr; }
}

/* ============================================================
 * 我的书单（分类目录）· 通关挑战 · 应试练习 · 作者档案
 * ============================================================ */

/* 计划进度条 */
.plan-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 12px 16px; }
.stage-sec { margin-bottom: 8px; }
.stage-sec .sect-title { margin-top: 14px; }

/* 通关印章 */
.stamp {
  position: absolute; right: -6px; top: -14px; transform: rotate(12deg);
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--seal);
  color: var(--seal); display: grid; place-items: center;
  font-size: 13px; font-weight: 700; font-family: var(--serif); letter-spacing: 1px;
  background: rgba(184, 84, 80, .06); box-shadow: inset 0 0 0 1px rgba(184, 84, 80, .35);
  pointer-events: none;
}
.essay-title { position: relative; }
.essay-title .stamp { right: -34px; top: -6px; }

/* 作者档案 */
.author-card { border-left: 3px solid var(--ink); }
.au-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.au-name { font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: 2px; }
.au-bio { font-size: 12.5px; line-height: 1.8; color: #55554e; margin-bottom: 8px; }
.au-works { font-size: 12px; color: var(--muted); margin-bottom: 4px; }

/* 通关挑战 */
.game-card { padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.game-card .gi { font-size: 30px; }
.game-card h3 { font-size: 15px; color: var(--ink); }
.game-card.dim { opacity: .55; }
.game-card .tag { margin-top: 4px; }
.game-slots { display: flex; flex-direction: column; gap: 8px; }
.game-slot {
  border: 1.5px dashed var(--line); background: #fbf9f3; border-radius: 9px;
  padding: 10px 12px; font-size: 13.5px; text-align: left; color: var(--muted); min-height: 42px;
}
.game-slot.filled { border-style: solid; border-color: var(--ink); color: var(--ink); background: #f1f6f2; font-family: var(--serif); font-weight: 700; cursor: pointer; }
.game-pool { display: flex; flex-wrap: wrap; gap: 8px; }
.game-tile {
  border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 10px 14px;
  font-size: 13.5px; font-family: var(--serif); font-weight: 700; color: var(--ink); transition: .15s;
}
.game-tile:not(:disabled):hover { border-color: var(--ink); transform: translateY(-2px); }
.game-tile:disabled { opacity: .3; cursor: default; }
.game-result {
  background: #fdf6e8; border: 1px solid #f0e2c4; border-left: 4px solid var(--gold);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.game-result.ok { background: #eef6f0; border-color: #cfe4d7; border-left-color: var(--green); }
.game-result .gr-score { font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--ink); }
.game-result .gr-score small { font-size: 12px; font-weight: 400; }
.game-pic { display: flex; flex-direction: column; gap: 14px; align-items: center; }
.gp-img { position: relative; width: min(320px, 100%); }
.gp-img img { width: 100%; border-radius: 12px; display: block; box-shadow: var(--shadow); }
.gp-no {
  position: absolute; left: -10px; top: -10px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--seal); color: #fff; display: grid; place-items: center; font-weight: 700;
}
.gp-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; }
.game-opt {
  border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 12px;
  font-size: 13.5px; font-family: var(--serif); color: var(--ink); text-align: center; transition: .15s;
}
.game-opt:not(:disabled):hover { border-color: var(--ink); }
.game-opt.right { border-color: var(--green); background: #eff7f1; color: var(--green); font-weight: 700; }
.game-opt.wrong { border-color: var(--seal); background: #fdf1f0; color: var(--seal); text-decoration: line-through; }

/* 应试练习 */
.ex-item { position: relative; padding-left: 44px; }
.ex-no {
  position: absolute; left: 12px; top: 14px; width: 24px; height: 24px; border-radius: 50%;
  background: #f0ece1; color: var(--ink); display: grid; place-items: center; font-size: 12px; font-weight: 700;
}
.ex-type { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-bottom: 4px; }
.ex-qtext { font-size: 14px; line-height: 2; letter-spacing: .5px; }
.ex-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.ex-opt { border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 10px 12px; font-size: 13px; text-align: left; color: var(--text); }
.ex-opt:hover { border-color: var(--ink-2); }
.ex-opt.sel { border-color: var(--ink); background: #f1f6f2; color: var(--ink); font-weight: 700; }
.ex-fill {
  border: none; border-bottom: 1.5px solid var(--ink); background: #fbf9f3; border-radius: 4px 4px 0 0;
  font-family: var(--serif); font-size: 14.5px; text-align: center; padding: 2px 6px; outline: none;
  width: 110px; margin: 0 4px; letter-spacing: 1px; color: var(--ink);
}
.ex-fill:focus { border-color: var(--seal); }
.ex-trans { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; background: #fbf9f3; font-size: 13.5px; outline: none; resize: vertical; margin-top: 8px; }
.ex-trans:focus { border-color: var(--ink); background: #fff; }
.ex-row { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; background: #fff; }
.ex-row.right { border-left: 3px solid var(--green); }
.ex-row.wrong { border-left: 3px solid var(--seal); }
.ex-q { font-size: 13.5px; margin-bottom: 6px; display: flex; gap: 8px; align-items: baseline; }
.ex-flag { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; color: #fff; font-size: 11px; flex: 0 0 20px; }
.ex-flag.ok { background: var(--green); }
.ex-flag.bad { background: var(--seal); }
.ex-line { font-size: 12.5px; color: #55554e; margin: 4px 0; }
.ex-exp { margin-top: 6px; padding: 8px 10px; background: #f7f4ea; border-radius: 8px; font-size: 12.5px; color: #6b6355; line-height: 1.7; }

@media (max-width: 600px) {
  .gp-opts { grid-template-columns: 1fr; }
  .ex-opts { grid-template-columns: 1fr; }
  .ex-item { padding-left: 40px; }
  .restore-entry { margin-top: 14px; }
  .fh-path { display: none; }
}

/* ============================================================
 * 图像背诵（系统核心）
 * 设计基调：图是主角，文字是被遮住的答案。
 * ============================================================ */

/* 理念条 */
.img-banner {
  display: flex; gap: 14px; align-items: flex-start;
  background: linear-gradient(100deg, #f3efe2, #fbf9f3);
  border: 1px solid var(--line); border-left: 3px solid var(--ink);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px;
}
.img-banner b { font-size: 14.5px; color: var(--ink); font-family: var(--serif); letter-spacing: .5px; }
.img-banner p { margin-top: 5px; line-height: 1.8; }
.ib-ic { font-size: 22px; line-height: 1.1; }

/* 上次成绩 */
.img-last {
  display: flex; align-items: center; gap: 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 18px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.il-score { font-family: var(--serif); font-size: 34px; font-weight: 700; line-height: 1; color: var(--gold); min-width: 74px; }
.il-score.ok { color: var(--green); }
.il-score small { font-size: 12px; font-weight: 400; margin-left: 2px; }

/* 两种练法 */
.img-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 22px; }
.img-mode {
  text-align: left; padding: 22px; border: 1px solid var(--line); background: var(--card);
  border-radius: var(--radius); box-shadow: var(--shadow); transition: .16s;
}
.img-mode:hover { border-color: var(--ink-2); transform: translateY(-2px); }
.img-mode.core, .img-mode.four { border-color: #cfdcd3; background: linear-gradient(160deg, #f4f9f5, #fff 62%); }
.img-mode h3 { font-family: var(--serif); font-size: 18px; margin: 10px 0 8px; display: flex; align-items: center; gap: 8px; }
.img-mode p { line-height: 1.8; min-height: 54px; }
.img-mode .btn { margin-top: 14px; pointer-events: none; }
.im-ic { font-size: 26px; }

/* 画面墙 */
.img-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(122px, 1fr)); gap: 14px; }
.iw-cell { border: none; background: none; padding: 0; }
.iw-thumb {
  position: relative; display: block; border-radius: 10px; overflow: hidden;
  background: #f2ede0; aspect-ratio: 1/1; border: 2px solid #fff;
  box-shadow: inset 0 0 0 1px #ece6d8, 0 2px 8px rgba(60, 50, 30, .08); transition: .16s;
}
.iw-cell:hover .iw-thumb { box-shadow: inset 0 0 0 1px var(--ink-2), 0 4px 14px rgba(60, 50, 30, .16); transform: translateY(-2px); }
.iw-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.iw-thumb .img-ph { position: absolute; inset: 0; }
.iw-no {
  position: absolute; left: -2px; top: -2px; min-width: 24px; height: 24px; padding: 0 6px;
  background: rgba(45, 74, 62, .9); color: #fff; font-size: 12px; font-weight: 700; font-style: normal;
  display: grid; place-items: center; border-radius: 0 0 10px 0;
}
.iw-st {
  position: absolute; right: 0; bottom: 0; width: 24px; height: 24px; font-style: normal;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; color: #fff;
  background: var(--gold); border-radius: 10px 0 0 0;
}
.iw-st.ok { background: var(--green); }
.iw-st.bad { background: var(--seal); }

/* 速览：画面只有图，没有字 */
.mcell.img-only { cursor: pointer; }
.mcell.img-only:hover { border-color: var(--ink-2); }

/* 精背舞台 */
.zoom-dots { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.zoom-dots i { width: 26px; height: 6px; border-radius: 3px; background: #e3ddcd; cursor: pointer; transition: .15s; }
.zoom-dots i.on { width: 34px; background: var(--ink); }
.zoom-dots i.d-ok { background: #a9cdb8; }
.zoom-dots i.d-warn { background: #e0c98d; }
.zoom-dots i.d-bad { background: #e6a9a7; }
.zoom-dots i.on.d-ok { background: var(--green); }
.zoom-dots i.on.d-warn { background: var(--gold); }
.zoom-dots i.on.d-bad { background: var(--seal); }

.zoom-body {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px; margin-bottom: 16px;
}
.zoom-stage {
  position: relative; width: min(560px, 100%); margin: 0 auto; border-radius: 14px; overflow: hidden;
  background: #f2ede0; aspect-ratio: 4/3; box-shadow: 0 4px 20px rgba(60, 50, 30, .12);
  border: 4px solid #fff; transition: box-shadow .2s;
}
.zoom-stage img { width: 100%; height: 100%; object-fit: cover; display: block; }
.zoom-stage .img-ph { position: absolute; inset: 0; display: grid; place-items: center; }
.zoom-stage.lit-ok { box-shadow: 0 0 0 3px rgba(45, 122, 79, .35), 0 4px 20px rgba(60, 50, 30, .12); }
.zoom-stage.lit-warn { box-shadow: 0 0 0 3px rgba(138, 109, 59, .4), 0 4px 20px rgba(60, 50, 30, .12); }
.zoom-stage.lit-bad { box-shadow: 0 0 0 3px rgba(184, 84, 80, .45), 0 4px 20px rgba(60, 50, 30, .12); }
.zoom-tag {
  position: absolute; left: 12px; top: 12px; background: rgba(45, 74, 62, .88); color: #fff;
  font-size: 12px; padding: 4px 10px; border-radius: 999px; letter-spacing: .5px;
}
.zoom-verdict { position: absolute; right: 12px; top: 12px; background: var(--gold); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 999px; }
.zoom-verdict.ok { background: var(--green); }
.zoom-verdict.bad { background: var(--seal); }

.zoom-answer {
  margin: 20px auto 0; text-align: center; font-family: var(--serif);
  font-size: 26px; font-weight: 700; letter-spacing: 6px; color: var(--ink); line-height: 1.9; min-height: 54px;
}
.zoom-answer .rv { color: var(--ink); }
.zoom-answer .msk { color: #c9c2b0; font-style: normal; font-weight: 400; }
.za-hint { display: block; margin-top: 8px; letter-spacing: 0; font-weight: 400; font-family: var(--sans); font-size: 12px; }

.zoom-acts { display: flex; gap: 10px; align-items: center; justify-content: center; margin-top: 16px; flex-wrap: wrap; }
.zoom-nav { display: flex; gap: 12px; justify-content: center; margin-top: 18px; }

/* 逐图归因报告 */
.img-report-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 12px; }
.ir-cell {
  display: flex; gap: 10px; align-items: center; text-align: left; padding: 8px;
  border: 1px solid var(--line); background: #fff; border-radius: 10px; transition: .15s;
}
.ir-cell:hover { border-color: var(--ink-2); }
.ir-cell.warn { background: #fdfaf1; border-color: #ece0c4; }
.ir-cell.bad { background: #fdf3f2; border-color: #eed4d2; }
.ir-thumb { position: relative; width: 48px; height: 48px; border-radius: 8px; overflow: hidden; flex: 0 0 48px; background: #f2ede0; }
.ir-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ir-thumb .img-ph { position: absolute; inset: 0; }
.ir-thumb .iw-no { min-width: 18px; height: 18px; font-size: 10px; border-radius: 0 0 8px 0; }
.ir-thumb .iw-st { width: 18px; height: 18px; font-size: 11px; border-radius: 8px 0 0 0; }
.ir-meta { min-width: 0; }
.ir-meta b { font-size: 13px; display: block; }
.ir-meta small { display: block; font-size: 11.5px; line-height: 1.5; }

.fix-list { display: flex; flex-direction: column; gap: 10px; }
.fix-row {
  display: flex; align-items: center; gap: 14px; background: #fdf8f8;
  border: 1px solid #eed4d2; border-left: 3px solid var(--seal); border-radius: 10px; padding: 12px 14px;
}
.fix-row > div { flex: 1; min-width: 0; }
.fix-row b { font-family: var(--serif); font-size: 14.5px; letter-spacing: 1px; }
.fix-no { font-size: 12px; color: var(--seal); font-weight: 700; flex: 0 0 auto; }
.img-tool-wrap { margin-top: 22px; }

/* 篇目卡：图像优先（主按钮 = 图像背诵，周边收成一行小字） */
.essay-card.img-core .essay-cover { aspect-ratio: 4/3; }
.img-score {
  position: absolute; right: 8px; bottom: 8px; background: rgba(138, 109, 59, .92); color: #fff;
  font-family: var(--serif); font-size: 20px; font-weight: 700; line-height: 1; padding: 6px 10px; border-radius: 10px;
}
.img-score.ok { background: rgba(45, 122, 79, .92); }
.img-score small { font-size: 11px; font-weight: 400; margin-left: 1px; }
.essay-card .img-go { width: 100%; justify-content: center; margin-top: 12px; }
.side-links { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.side-links button { border: none; background: none; padding: 0; font-size: 12px; color: var(--muted); text-decoration: underline dotted; text-underline-offset: 3px; }
.side-links button:hover { color: var(--ink); }

/* 周边功能菜单（学习页 head） */
.more-menu { position: relative; }
.more-menu > summary { list-style: none; }
.more-menu > summary::-webkit-details-marker { display: none; }
.mm-list {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40; min-width: 232px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 8px 26px rgba(60, 50, 30, .14); padding: 6px; display: flex; flex-direction: column;
}
.mm-list button { border: none; background: none; text-align: left; padding: 9px 12px; border-radius: 7px; font-size: 13px; color: var(--text); }
.mm-list button:hover { background: var(--paper); color: var(--ink); }
.mm-sep { display: block; height: 1px; background: var(--line); margin: 5px 8px; }

.learn-subtip { margin: 0 0 14px; padding-left: 2px; line-height: 1.7; }
.link { border: none; background: none; padding: 0; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; font-size: 12px; }

/* ============================================================
 * 移动端适配 · 学生背书的主战场是手机
 * ≤900px：侧边栏转为底部标签栏，内容单列堆叠
 * ≤600px：图文网格收窄、检测面板压缩、触控目标加大
 * ============================================================ */
@media (max-width: 900px) {
  /* 外壳改为正常文档流，页面整体滚动（内部滚动在手机上体验差） */
  .shell { display: block; height: auto; overflow: visible; }

  /* 侧边栏 → 底部标签栏（保留退出登录入口） */
  .side {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    width: 100%; flex: none; flex-direction: row; align-items: stretch;
    border-right: none; border-top: 1px solid var(--line); background: #fff;
    padding: 6px 6px calc(4px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -4px 14px rgba(60, 50, 30, .1);
  }
  .brand { display: none; }
  .nav { flex-direction: row; overflow-x: auto; gap: 2px; flex: 1 0 auto; }
  .nav-item {
    flex: 1 0 auto; min-width: 60px; flex-direction: column; gap: 2px;
    padding: 6px 6px; font-size: 11px; text-align: center; border-radius: 9px;
  }
  .nav-item .ni { width: auto; font-size: 18px; }
  .side-foot { display: contents; margin: 0; padding: 0; border: none; }
  .side-foot .nav-item { flex: 0 0 auto; }
  .main { margin-bottom: 62px; }

  .view { padding: 14px 14px 32px; }
  .topbar { height: 50px; flex-basis: 50px; padding: 0 14px; }
  .who small { display: none; }
  .who b { font-size: 12.5px; }

  .page-head h2 { font-size: 18px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }

  /* 学习页 */
  .step-panel { padding: 18px 14px; }
  .step-tip { padding-right: 0; }
  .step-badge { position: static; display: inline-block; margin-bottom: 10px; }
  .learn-title h2 { font-size: 20px; }
  .learn-foot .btn { flex: 1 1 auto; }
  .bk-line { font-size: 15.5px; }

  /* 题库编辑器：选项改单列，避免窄屏挤成两行 */
  .qe-opts { grid-template-columns: 1fr; }
  .qe-add { flex-wrap: wrap; }
  .sect-title { flex-wrap: wrap; }

  /* 弹窗贴边 */
  .modal-mask { padding: 12px; align-items: flex-end; }
  .modal { max-height: 92vh; border-radius: 14px 14px 0 0; }

  /* 图像背诵：练法卡改单列，周边菜单左对齐避免出屏 */
  .img-modes { grid-template-columns: 1fr; }
  .grid-cards.three { grid-template-columns: 1fr; }
  .restore-wrap { grid-template-columns: 1fr; }
  .rs-bank { position: static; }
  .img-mode p { min-height: 0; }
  .zoom-body { padding: 16px 14px; }
  .zoom-answer { font-size: 21px; letter-spacing: 4px; }
  .mm-list { right: auto; left: 0; }
}

@media (max-width: 600px) {
  .login-grid { grid-template-columns: 1fr; }
  .login-brand h1 { font-size: 30px; letter-spacing: 5px; }
  .login-wrap { padding-top: 5vh; }
  .tb-right .btn { display: none; }   /* 顶部「切换身份」隐藏，底部栏有退出 */

  /* 图文网格：2 列，间距收窄，连接线同步 */
  .mgrid { gap: 16px 14px; }
  .mcell.conn-r::after { right: -14px; width: 14px; }
  .mcell.conn-v::before { display: none; }
  .mnum { width: 23px; height: 23px; font-size: 11px; left: -7px; top: -7px; }
  .mtext { font-size: 12.5px; }
  .pager { gap: 10px; flex-wrap: wrap; }

  /* 第③步检测面板 */
  .rr-head { gap: 12px; }
  .rr-head .rr-score { width: 62px; height: 62px; font-size: 22px; }
  .recite-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .rs-v { font-size: 15px; }
  .recite-toolbar .btn { flex: 1 1 auto; }
  .recite-input { font-size: 16px; }   /* iOS 聚焦输入框时字号 <16px 会自动放大页面 */

  /* 逐句掌握度表横向滚动，避免压碎布局 */
  .tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -14px; padding: 0 14px; }
  .tbl-scroll .recite-tbl { min-width: 520px; }

  .grid-4 { grid-template-columns: 1fr; }

  /* 图像背诵：画面墙加密、报告单列 */
  .img-wall { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
  .img-report-grid { grid-template-columns: 1fr; }
  .zoom-stage { border-width: 3px; }
  .zoom-dots i { width: 20px; }
  .zoom-dots i.on { width: 26px; }
  .il-score { font-size: 28px; min-width: 62px; }
  .qe { padding: 10px 11px; }
  .btn { padding: 10px 16px; }        /* 触控目标 ≥ 40px */
  .btn.sm { padding: 8px 12px; }
}

/* ---------------- 诗词发展时间轴 ---------------- */
.tl-spine-wrap { position: relative; padding-left: 34px; }
.tl-spine {
  position: absolute; left: 12px; top: 8px; bottom: 8px; width: 6px; border-radius: 3px;
  background: linear-gradient(180deg, #8a6d3b, #b85450 22%, #4a5a7d 40%, #2f5d8c 56%, #6b4f2a 72%, #3d5a4c 86%, #2d4a3e);
  box-shadow: 0 0 0 3px #efe9dc, 2px 2px 6px rgba(0,0,0,.18);
}
.tl-era { position: relative; margin-bottom: 18px; }
.tl-node {
  position: absolute; left: -30px; top: 18px; width: 18px; height: 18px; border-radius: 50%;
  border: 3px solid #fff; box-shadow: 0 2px 6px rgba(0,0,0,.28), 0 0 0 2px rgba(0,0,0,.06);
}
.tl-card {
  background: linear-gradient(165deg, #fffef9, #f8f5ec 70%);
  border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
  box-shadow: 0 6px 16px rgba(60, 50, 30, .10), inset 0 1px 0 #fff;
  transform: translateZ(0);
}
.tl-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.tl-ic { font-size: 20px; }
.tl-head b { font-family: var(--serif); font-size: 20px; letter-spacing: 3px; }
.tl-poets { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tl-poet {
  display: flex; gap: 12px; align-items: flex-start; padding: 10px;
  background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 2px 6px rgba(60,50,30,.07);
}
.tl-face {
  width: 56px; height: 56px; border-radius: 50%; overflow: hidden; flex: none;
  border: 2px solid #e5dcc8; background: #f2ecdd; box-shadow: 0 3px 8px rgba(60,50,30,.16);
}
.tl-face img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tl-face.ph {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 22px; color: #8a7a58;
}
.tl-pbody b { font-size: 15px; margin-right: 6px; }
.tl-work { margin: 3px 0; font-size: 14px; }
.tl-work .link { font-weight: 700; }
@media (max-width: 760px) { .tl-poets { grid-template-columns: 1fr; } }

/* ---------------- 积分商城 ---------------- */
.mall-card { display: flex; flex-direction: column; gap: 6px; padding: 16px; }
.mall-ic { font-size: 34px; line-height: 1; }
.mall-ic.big { font-size: 44px; text-align: center; }
.mall-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.mall-cost { font-family: var(--serif); font-weight: 700; color: #8a6d3b; font-size: 17px; }
.redeem-confirm { text-align: center; display: flex; flex-direction: column; gap: 8px; }
.stage-checks { display: flex; gap: 16px; margin-top: 4px; }
.stage-checks .chk { display: flex; align-items: center; gap: 6px; font-size: 14.5px; }
.form-item { margin-top: 4px; }
.form-item > label { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 6px; }

/* 解锁任务卡 */
.lock-card { padding: 14px 16px; border-style: dashed; }
.lk-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.essay-card.essay-locked .essay-cover img { filter: saturate(.55) opacity(.82); }

/* ---------------- 我的目标 · 两部分分区（第十二轮后新增） ---------------- */
/* 第一部分 · 今日通关目标：蓝色系 */
.goal-today { border-top: 3px solid #2f5d8c; }
.goal-today .panel-head h3 { color: #2f5d8c; }
.gt-flex { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; }
.gt-ring { flex: 0 0 130px; text-align: center; }
.gt-tasks { flex: 1; min-width: 280px; }

/* 第二部分 · 阶段解锁目标：金棕色系（重点板块，视觉上与今日目标明显区分） */
.goal-stage {
  border-top: 3px solid #b8860b;
  background: linear-gradient(180deg, #fdf9ee 0%, #fffdf7 140px);
}
.goal-stage .panel-head h3 { color: #8a6d3b; }
.stage-hint { background: #faf4e4; border-color: #e6d9b8; }
.gs-block {
  border: 1px solid #eadfc8; border-radius: 10px;
  padding: 14px 16px; margin-top: 12px; background: #fffdf7;
}
.gs-block.gs-mine { border-color: #c9a55a; box-shadow: 0 2px 12px rgba(184, 134, 11, .10); }
.gs-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.gs-name { font-size: 15.5px; color: #6b4f2a; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.gs-done { padding: 10px 12px; color: #2d4a3e; font-weight: 600; background: #eef6f0; border-radius: 8px; }

/* ---------------- 图像背诵 · 必背体系目录 ---------------- */
.mode-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.mode-tabs .tab:not(.active) { background: transparent; }
.cur-summary { display: flex; align-items: center; gap: 8px; padding: 12px 16px; margin-bottom: 6px; flex-wrap: wrap; }
.cur-summary b { font-family: var(--serif); font-size: 16px; color: var(--ink); }
.cur-sec { margin: 4px 0 20px; }
.cur-list {
  border: 1px solid var(--line, #e5e0d5); border-radius: 10px; overflow: hidden;
  background: #fff; column-count: 2; column-gap: 0;
}
@media (max-width: 900px) { .cur-list { column-count: 1; } }
.cur-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px; border-bottom: 1px dashed #ece7db;
  break-inside: avoid; font-size: 14.5px;
}
.cur-row:last-child { border-bottom: none; }
.cur-row:nth-child(odd) { background: #fbf9f3; }
.cur-row.cur-done { background: #f0f7f2; }
.cur-no { flex: none; width: 30px; color: #a49b86; font-size: 12px; font-family: var(--serif); }
.cur-title { font-weight: 600; }
.cur-author { color: #8a8474; font-size: 12.5px; }
.cur-state { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* ---------------- 年级标注体系（年级徽标 / 年级筛选 / 年级分色区块） ---------------- */
/* 目录行内年级徽标 */
.grade-badge {
  display: inline-block; margin-left: 8px; padding: 1px 7px; font-size: 11px; line-height: 1.5;
  border: 1px solid; border-radius: 999px; font-weight: 600; vertical-align: 1px; white-space: nowrap;
}
/* 必背体系 · 年级筛选条 */
.grade-chips { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin: 2px 0 14px; }
.gc-label { font-size: 12.5px; color: var(--muted, #8a8474); margin-right: 2px; }
.grade-chips .chip {
  padding: 4px 13px; font-size: 13px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line, #e5e0d5); background: #fff; transition: all .15s;
}
.grade-chips .chip:hover { border-color: #c9a55a; }
.grade-chips .chip.active { font-weight: 700; box-shadow: 0 2px 6px rgba(60,50,30,.14); }
/* 阶段解锁目标 · 年级分色区块（学段块内的每个年级一块底色） */
.gs-grade { border-radius: 9px; padding: 11px 13px; margin-top: 10px; }
.gs-grade .gs-head { margin-bottom: 6px; }
.gs-grade .grid-cards { margin-top: 8px; }

/* ============================================================
 * 账号计费 · 机构充值 / 开卡扣费 / 账号状态
 * ============================================================ */
.notice-bar {
  padding: 11px 14px; border-radius: 10px; margin-bottom: 18px; font-size: 13px;
  border: 1px solid var(--line); background: #fbfaf4; color: #55554e;
}
.notice-bar.warn { border-color: rgba(184, 84, 80, .38); background: #fdf6f4; color: #8a3d3a; }
.notice-bar b { color: inherit; }

.kv-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 12.5px;
}
.kv-row:last-child { border-bottom: none; }
.kv-k { color: var(--muted); flex: none; }
.kv-v { text-align: right; font-weight: 600; color: var(--ink); }

.batch-list {
  max-height: 240px; overflow: auto; border: 1px solid var(--line);
  border-radius: 10px; padding: 4px 10px; background: #fff; margin-top: 8px;
}
.batch-row {
  display: flex; align-items: center; gap: 10px; padding: 7px 2px;
  border-bottom: 1px dashed var(--line); cursor: pointer; font-size: 13px;
}
.batch-row:last-child { border-bottom: none; }
.batch-row:hover { background: #fbfaf4; }
.batch-row .tag { margin-left: auto; }

/* 账号卡：学生端个人中心 */
.acct-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
  background: linear-gradient(135deg, #fbfaf4, #f4f1e6);
}
.acct-card .ac-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.acct-card .ac-name { font-family: var(--serif); font-size: 19px; color: var(--ink); letter-spacing: 1px; }
.acct-card .ac-stages { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.acct-expired { border-color: rgba(184, 84, 80, .4); background: #fdf6f4; }


/* ================= v15：登录切换 / 头像 / 市集 / 仓库 / 组卷 ================= */
.login-switch { display: flex; gap: 8px; justify-content: center; align-items: center; margin-top: 16px; flex-wrap: wrap }
.login-switch .ls-label { font-size: 12px; color: #9a938a }
.login-switch .chip { padding: 6px 16px; border: 1px solid #d8d2c2; background: #fff; border-radius: 20px; cursor: pointer; font-size: 13px; color: #555 }
.login-switch .chip:hover { border-color: #2d4a3e; color: #2d4a3e }
.ava-row { display: flex; gap: 6px; flex-wrap: wrap }
.ava-opt { width: 40px; height: 40px; font-size: 20px; border: 1px solid #d8d2c2; background: #fff; border-radius: 10px; cursor: pointer; line-height: 1 }
.ava-opt.sel { border-color: #2d4a3e; background: #eef3ee; box-shadow: 0 0 0 2px rgba(45, 74, 62, .2) }
.tabs-mini { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap }
.tabs-mini button { padding: 7px 18px; border-radius: 18px; border: 1px solid #d8d2c2; background: #fff; cursor: pointer; font-size: 13px; color: #555 }
.tabs-mini button.on { background: #2d4a3e; color: #fff; border-color: #2d4a3e }
.kind-badge { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 10px; vertical-align: middle }
.kb-cloth { background: #f3e8f5; color: #8a4a9d }
.kb-virtual { background: #e8eef5; color: #2f5d8c }
.kb-physical { background: #eef3e8; color: #5f7a3f }
.mall-badge { min-height: 18px; margin-bottom: 2px }
.me-look { display: flex; align-items: center; gap: 12px; margin-bottom: 12px }
.avatar-big { font-size: 52px; line-height: 1 }
.wear-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px }
.wear-card { border: 1px solid #e4ddcc; border-radius: 10px; padding: 10px; background: #fffdf7 }
.wear-card.cur { border-color: #2d4a3e; box-shadow: 0 0 0 2px rgba(45, 74, 62, .2) }
.wear-card .wc-icon { font-size: 30px; margin-bottom: 4px }
.tbl tr.sel-row td { background: #f4f7f2 }

/* ============================================================
 * 页脚备案信息（工信部要求：网站底部标明 ICP 备案号并链接至工信部）
 * ============================================================ */
.icp-foot {
  flex: 0 0 auto; text-align: center; padding: 10px 16px 12px;
  font-size: 12px; line-height: 1.8; color: var(--muted);
  background: transparent;
}
.icp-foot a { color: var(--muted); text-decoration: none; }
.icp-foot a:hover { color: var(--ink); text-decoration: underline; }
.icp-foot .icp-sep { margin: 0 6px; opacity: .6; }
.login-wrap .icp-foot { padding: 26px 0 8px; }
@media (max-width: 720px) {
  .icp-foot { padding: 8px 12px 10px; font-size: 11px; }
  .main .icp-foot { padding-bottom: 4px; }
}