:root{
  --bg:#f7f3ef;
  --paper:rgba(255,255,255,.74);
  --paper-strong:#fffdfb;
  --ink:#2f2b28;
  --muted:#8d8680;
  --line:#ece5df;
  --rose:#c9a29b;
  --rose-soft:#f3e6e2;
  --sage:#aab9a4;
  --sage-soft:#e8f0e5;
  --sand:#d6c2a5;
  --sand-soft:#f3ede2;
  --shadow:0 20px 50px rgba(67,54,45,.08);
  --radius-xl:30px;
  --radius-lg:24px;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:linear-gradient(180deg,#f8f4f0 0%,#f5f2ee 55%,#f1f3ee 100%);
  color:var(--ink);
}
button,input,textarea,select{font:inherit}
body{min-height:100vh}
.app-shell{display:grid;grid-template-columns:265px minmax(0,1fr);min-height:100vh}
.sidebar{
  padding:26px 18px 22px;
  position:sticky;
  top:0;
  height:100vh;
  background:rgba(252,250,248,.72);
  backdrop-filter:blur(18px);
  border-right:1px solid rgba(231,225,220,.92);
  display:flex;
  flex-direction:column;
  gap:18px;
  z-index:30;
}
.brand{display:flex;align-items:center;gap:14px;padding:6px 10px}
.brand-mark{
  width:46px;height:46px;border-radius:16px;
  background:linear-gradient(145deg,#e5c9c3,#dfe8db);
  display:grid;place-items:center;font-weight:700;font-size:18px;
  color:#584943;box-shadow:var(--shadow)
}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.02em}
.brand-subtitle{font-size:12px;color:var(--muted);margin-top:2px}
.nav-list{display:flex;flex-direction:column;gap:8px}
.nav-item{
  border:0;background:transparent;border-radius:16px;padding:13px 14px;
  display:flex;align-items:center;gap:12px;color:#6e6762;font-size:14px;
  cursor:pointer;transition:.2s ease;text-align:left
}
.nav-item span:first-child{width:22px;text-align:center}
.nav-item:hover,.nav-item.active{
  background:#fff;color:#2f2b28;box-shadow:0 8px 24px rgba(63,49,41,.05)
}
.sidebar-card{
  margin-top:auto;padding:17px;background:linear-gradient(145deg,#f1e8e4,#e7ece3);
  border-radius:18px
}
.mini-label,.panel-kicker,.hero-kicker,.eyebrow,.module-label{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:700
}
.sidebar-tip{font-size:13px;line-height:1.7;margin-top:8px}
.ghost-button,.soft-button,.primary-button,.text-button,.soft-wide{
  border:0;border-radius:13px;cursor:pointer
}
.ghost-button{background:transparent;padding:10px 14px;color:#756f6a}
.sidebar>.ghost-button{margin-top:12px;border:1px solid var(--line)}
.main{padding:30px 42px 60px;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
.topbar h1{margin:5px 0 0;font-size:28px;letter-spacing:-.04em}
.eyebrow{font-size:10px}
.soft-button{
  background:rgba(255,255,255,.72);padding:11px 15px;color:#5d5752;
  box-shadow:0 8px 25px rgba(68,55,45,.06)
}
.primary-button{background:#33302d;color:white;padding:12px 17px}
.text-button{background:transparent;color:#8f6e68;padding:8px}
.soft-wide{width:100%;margin-top:14px;padding:11px;background:#f5f1ee;color:#6b625d}
.mobile-menu{display:none;border:0;background:#fff;width:40px;height:40px;border-radius:12px}
.page{display:none}
.page.active{display:block;animation:fade .35s ease}
@keyframes fade{from{opacity:.3;transform:translateY(5px)}to{opacity:1;transform:none}}

.hero-card{
  border-radius:var(--radius-xl);padding:34px 38px;
  background:linear-gradient(120deg,rgba(255,255,255,.9),rgba(240,230,226,.86),rgba(230,237,226,.88));
  box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;
  overflow:hidden;position:relative
}
.hero-card:after{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  background:rgba(255,255,255,.5);right:-45px;top:-75px
}
.hero-card h2{font-size:35px;letter-spacing:-.04em;margin:8px 0 9px}
.hero-card p{margin:0;color:#77706b}
.countdown-wrap{position:relative;z-index:1;text-align:right}
.countdown-number{font-family:Georgia,serif;font-size:58px;line-height:1;color:#66534d}
.countdown-label{font-size:12px;color:var(--muted);margin-top:8px}

.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:17px}
.stat-card,.panel{
  background:var(--paper);border:1px solid rgba(255,255,255,.8);
  backdrop-filter:blur(14px);box-shadow:0 14px 38px rgba(69,57,48,.055)
}
.stat-card{padding:20px;border-radius:18px}
.stat-label{font-size:12px;color:var(--muted)}
.stat-value{font-size:25px;font-weight:700;letter-spacing:-.03em;margin-top:8px}
.stat-value.large{font-size:33px}
.stat-meta{font-size:11px;color:#9a948f;margin-top:6px}
.two-column{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.75fr);gap:16px;margin-top:16px}
.three-column{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.panel{border-radius:var(--radius-lg);padding:24px}
.panel.compact{min-height:145px}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:15px}
.panel h3{margin:4px 0 0;font-size:18px;letter-spacing:-.025em}
.status-stack{display:flex;flex-direction:column;gap:2px}
.status-row{
  display:flex;justify-content:space-between;align-items:center;padding:14px 0;
  border-bottom:1px solid var(--line);font-size:13px
}
.status-row:last-child{border:0}
.status-row span{color:var(--muted)}

.task-list{display:flex;flex-direction:column;gap:9px}
.task-item{
  display:flex;align-items:center;gap:11px;padding:12px 13px;
  border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.55)
}
.task-item.done{opacity:.55}
.task-item.done .task-title{text-decoration:line-through}
.check{
  width:20px;height:20px;border-radius:7px;border:1px solid #c9c0b9;background:white;
  display:grid;place-items:center;font-size:11px;color:white;flex:none
}
.task-item.done .check{background:#91a78c;border-color:#91a78c}
.task-body{min-width:0;flex:1}
.task-title{font-size:13px;font-weight:600}
.task-meta{font-size:11px;color:var(--muted);margin-top:3px}
.task-delete{border:0;background:transparent;color:#b6aea8;padding:4px 6px;cursor:pointer}
.empty-message,.soft-empty{
  color:#9c9691;font-size:13px;padding:22px;text-align:center;border:1px dashed #d7cfca;
  border-radius:14px;background:rgba(255,255,255,.35)
}

.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.module-card{
  padding:22px;border-radius:22px;display:grid;grid-template-columns:auto 1fr auto;
  gap:14px;align-items:center;cursor:pointer;transition:.2s ease
}
.module-card:hover{transform:translateY(-3px)}
.module-card h3{font-size:16px;margin:4px 0 7px}
.module-card p{font-size:12px;color:#746e68;margin:0}
.module-icon{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;font-family:serif}
.exam-card{background:var(--rose-soft)}
.fitness-card{background:var(--sage-soft)}
.life-card{background:var(--sand-soft)}
.exam-card .module-icon{background:#d9bbb6}
.fitness-card .module-icon{background:#bdccba}
.life-card .module-icon{background:#dcc9af}
.arrow{color:#8d847e}

.section-intro{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}
.section-intro h2{font-size:31px;margin:7px 0 8px;letter-spacing:-.04em}
.section-intro p{margin:0;color:var(--muted);font-size:13px}
.exam-overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.progress-track{height:7px;background:#ebe5e1;border-radius:10px;overflow:hidden;margin-top:14px}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,#c5a39e,#94a990);transition:.3s}
.exam-main-grid{grid-template-columns:1fr 1fr}
.mastery-list{display:flex;flex-direction:column;gap:12px}
.mastery-row{display:grid;grid-template-columns:72px 1fr 42px;gap:9px;align-items:center;font-size:12px}
.mastery-track{height:8px;border-radius:10px;background:#ece8e4;overflow:hidden}
.mastery-fill{height:100%;background:#a8b5a3;border-radius:10px}
.mini-list{min-height:112px}

.chart-shell{height:260px;position:relative}
.chart-shell canvas{width:100%;height:100%}
.chart-empty{position:absolute;inset:0;display:grid;place-items:center;color:#9b948e;font-size:12px}
.record-list{display:flex;flex-direction:column;gap:9px}
.record-item{padding:13px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.5)}
.record-title{font-size:13px;font-weight:600}
.record-meta{font-size:11px;color:var(--muted);margin-top:4px}
.record-card-row{display:flex;gap:12px;align-items:flex-start}
.record-card-main{min-width:0;flex:1}
.record-thumb{width:64px;height:64px;border-radius:14px;object-fit:cover;border:1px solid var(--line)}

.journal-card{min-height:190px;padding:20px;border-radius:18px;background:linear-gradient(145deg,#f8f2ef,#eef2eb)}
.journal-card h4{margin:0 0 12px}
.journal-row{font-size:12px;line-height:1.7;margin:10px 0}
.journal-row strong{display:block;color:#8c7a73;font-size:11px;margin-bottom:3px}

.together-hero{text-align:center;padding:50px 20px 34px}
.together-hero h2{font-size:34px;margin:10px 0;letter-spacing:-.04em}
.together-hero p{color:var(--muted);font-size:13px}
.heart-orbit{
  width:70px;height:70px;border-radius:50%;margin:0 auto 15px;
  background:linear-gradient(145deg,#ead9d6,#dfe8db);display:grid;place-items:center;
  font-size:28px;color:#956f69;box-shadow:var(--shadow)
}

.mini-record{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;
  border-bottom:1px solid var(--line)
}
.mini-record:last-child{border-bottom:0}
.mini-thumb{
  width:56px;height:56px;border-radius:12px;object-fit:cover;flex:none;
  border:1px solid var(--line);background:#f3efec
}
.mini-thumb-placeholder,.collection-thumb-placeholder{
  display:grid;place-items:center;color:#a39a94;font-size:12px
}
.mini-record-body{min-width:0;flex:1}
.mini-record-title{font-size:13px;font-weight:600}
.mini-record-meta{font-size:11px;color:var(--muted);line-height:1.55;margin-top:4px}

.collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.collection-card{
  border:1px solid var(--line);border-radius:18px;padding:16px;
  background:rgba(255,255,255,.48)
}
.collection-title{font-size:15px;font-weight:700}
.collection-meta{font-size:11px;color:var(--muted);margin-top:4px}
.collection-items{display:flex;flex-direction:column;gap:9px;margin-top:12px}
.collection-item{
  display:flex;gap:10px;align-items:flex-start;background:rgba(255,255,255,.68);
  border-radius:14px;padding:10px
}
.collection-thumb{
  width:52px;height:52px;border-radius:12px;object-fit:cover;
  border:1px solid var(--line);background:#f3efec;flex:none
}
.collection-body{min-width:0;flex:1}
.collection-item-title{font-size:12px;font-weight:700}
.collection-item-meta{font-size:11px;color:var(--muted);line-height:1.55;margin-top:4px}

.image-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.wall-card{
  border-radius:18px;overflow:hidden;background:rgba(255,255,255,.58);
  border:1px solid var(--line)
}
.wall-card img{width:100%;height:140px;object-fit:cover;display:block}
.wall-meta{padding:10px 12px 12px;display:flex;flex-direction:column;gap:5px}
.wall-meta strong{font-size:12px}
.wall-meta span{font-size:11px;color:var(--muted)}

.helper-text{font-size:11px;color:#9b948f;margin-left:4px}
.modal-backdrop{
  position:fixed;inset:0;background:rgba(32,28,25,.28);backdrop-filter:blur(7px);
  z-index:60;display:none;align-items:center;justify-content:center;padding:20px
}
.modal-backdrop.show{display:flex}
.modal{
  width:min(520px,100%);max-height:86vh;overflow:auto;background:#fffdfb;
  border-radius:24px;box-shadow:0 30px 80px rgba(45,37,31,.22);padding:24px
}
.modal-head{display:flex;justify-content:space-between;align-items:center}
.modal-head h3{margin:0;font-size:20px}
.modal-head button{border:0;background:transparent;font-size:25px;color:#8b837d;cursor:pointer}
.field{margin-top:16px}
.field label{display:block;font-size:12px;color:#716b65;margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid #e5ded8;background:#fbf9f7;
  border-radius:12px;padding:11px 12px;outline:none
}
.field textarea{min-height:95px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:#bba29a;box-shadow:0 0 0 3px rgba(187,162,154,.12)
}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}

.timer-toast{
  position:fixed;bottom:25px;right:28px;background:#2f2d2b;color:#fff;border-radius:18px;
  padding:12px 14px 12px 16px;display:none;align-items:center;gap:18px;
  box-shadow:0 18px 45px rgba(27,24,22,.25);z-index:50;font-size:12px
}
.timer-toast.show{display:flex}
.timer-toast strong{font-variant-numeric:tabular-nums}
.timer-toast button{border:0;border-radius:10px;background:white;padding:7px 10px;cursor:pointer}
.timer-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:#b3c7ad;
  margin-right:7px;animation:pulse 1.2s infinite
}
@keyframes pulse{50%{opacity:.35}}

@media(max-width:1100px){
  .app-shell{grid-template-columns:210px 1fr}
  .main{padding:28px}
  .stats-grid,.module-grid{grid-template-columns:repeat(2,1fr)}
  .three-column{grid-template-columns:1fr}
  .exam-overview-grid{grid-template-columns:repeat(3,1fr)}
  .image-wall{grid-template-columns:repeat(3,1fr)}
  .collection-grid{grid-template-columns:1fr}
}
@media(max-width:780px){
  .app-shell{display:block}
  .sidebar{position:fixed;left:-280px;width:250px;transition:.25s;box-shadow:0 25px 60px rgba(47,39,33,.18)}
  .sidebar.open{left:0}
  .main{padding:20px 16px 45px}
  .mobile-menu{display:inline-grid;place-items:center;margin-right:12px}
  .topbar{justify-content:flex-start}
  .topbar-actions{margin-left:auto}
  .topbar h1{font-size:24px}
  .hero-card{padding:26px;display:block}
  .hero-card h2{font-size:29px}
  .countdown-wrap{text-align:left;margin-top:24px}
  .countdown-number{font-size:46px}
  .stats-grid,.module-grid,.two-column,.exam-main-grid,.exam-overview-grid,.image-wall{grid-template-columns:1fr}
  .section-intro{align-items:flex-start;gap:15px}
  .section-intro .primary-button{white-space:nowrap}
  .timer-toast{left:14px;right:14px;bottom:14px;justify-content:space-between}
  .topbar .eyebrow{display:none}
}


/* 第二版：考公复习闭环 */
.exam-section{margin-top:16px}
.panel-desc{margin:6px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
.filter-bar{display:grid;grid-template-columns:180px 180px minmax(220px,1fr);gap:10px;margin-bottom:16px}
.filter-bar select,.filter-bar input{
  width:100%;border:1px solid var(--line);background:rgba(255,255,255,.7);
  border-radius:12px;padding:10px 12px;color:#5e5853;outline:none
}
.filter-bar select:focus,.filter-bar input:focus{border-color:#bba29a;box-shadow:0 0 0 3px rgba(187,162,154,.11)}
.mistake-library{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.mistake-card{
  display:flex;flex-direction:column;text-align:left;padding:0;border:1px solid var(--line);
  border-radius:18px;overflow:hidden;background:rgba(255,255,255,.58);cursor:pointer;
  transition:.18s ease;color:inherit
}
.mistake-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(64,53,45,.08)}
.mistake-media{height:132px;background:#f2eeeb}
.mistake-media img{width:100%;height:100%;object-fit:cover;display:block}
.mistake-media-empty{height:100%;display:grid;place-items:center;color:#aaa19b;font-family:Georgia,serif;font-size:27px}
.mistake-card-body{padding:14px}
.mistake-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.tag{display:inline-flex;align-items:center;border-radius:999px;background:#f1ebe7;padding:5px 8px;font-size:10px;color:#7d6f68}
.status-pill{display:inline-flex;border-radius:999px;padding:5px 8px;font-size:10px}
.status-new{background:#f4e3df;color:#96655d}.status-review{background:#f4ecd9;color:#8a7442}.status-done{background:#e5eee2;color:#5f795b}
.mistake-card h4{font-size:14px;margin:12px 0 6px}.mistake-card p{font-size:12px;color:#7f7771;line-height:1.6;margin:0;min-height:38px}
.mistake-foot{display:flex;justify-content:space-between;gap:8px;font-size:10px;color:#a39b95;margin-top:12px}
.mini-record-button,.collection-button,.record-button{width:100%;border:0;background:transparent;text-align:left;color:inherit;cursor:pointer}
.mini-record-button{padding-left:0;padding-right:0}
.collection-button{padding:10px}
.record-button{padding:13px}
.record-note{font-size:11px;color:#7f7771;line-height:1.55;margin-top:6px}
.mock-essay-grid{grid-template-columns:1fr 1fr}
.mock-chart-shell{height:250px}
.mock-breakdown{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:12px}
.breakdown-item{padding:10px;border-radius:12px;background:#f7f4f1;text-align:center}
.breakdown-item span{display:block;font-size:10px;color:var(--muted)}.breakdown-item strong{display:block;font-size:15px;margin-top:5px}
.material-list{display:flex;flex-direction:column;gap:10px;max-height:390px;overflow:auto;padding-right:2px}
.material-card{display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.54)}
.material-image{width:82px;height:82px;border-radius:13px;object-fit:cover;flex:none}
.material-main{min-width:0;flex:1}.material-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:var(--muted)}
.material-card h4{margin:8px 0 5px;font-size:13px}.material-card p{margin:0;color:#77706b;font-size:11px;line-height:1.65}
.detail-backdrop{position:fixed;inset:0;background:rgba(31,28,25,.34);backdrop-filter:blur(8px);z-index:80;display:none;align-items:center;justify-content:center;padding:22px}
.detail-backdrop.show{display:flex}
.detail-modal{width:min(900px,100%);max-height:90vh;overflow:auto;background:#fffdfb;border-radius:26px;box-shadow:0 30px 80px rgba(45,37,31,.24);padding:26px}
.detail-layout{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.15fr);gap:20px;margin-top:18px}
.detail-image{width:100%;max-height:440px;object-fit:contain;border-radius:18px;background:#f3f0ed;border:1px solid var(--line)}
.detail-image-empty{height:260px;border-radius:18px;background:#f5f1ee;display:grid;place-items:center;color:#9f9791;border:1px dashed #d8d0ca}
.detail-meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.detail-meta-grid>div{padding:12px;border-radius:14px;background:#f7f4f1}.detail-meta-grid span{display:block;font-size:10px;color:var(--muted)}
.detail-meta-grid strong{display:block;font-size:12px;margin-top:5px}
.detail-note{margin-top:12px;padding:14px;border-radius:14px;background:#f7f4f1}.detail-note span{font-size:10px;color:var(--muted)}
.detail-note p{margin:7px 0 0;font-size:12px;line-height:1.75;white-space:pre-wrap}
.detail-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.detail-history{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.detail-history h4{margin:6px 0 14px}.history-item{display:grid;grid-template-columns:15px 1fr;gap:10px;padding:10px 0}
.history-dot{width:9px;height:9px;border-radius:50%;background:#a8b5a3;margin-top:5px}
.history-item strong{font-size:12px}.history-item p{margin:5px 0 0;color:#77706b;font-size:11px;line-height:1.6}
.history-image{margin-top:8px;width:150px;max-height:120px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}

@media(max-width:1100px){
  .mistake-library{grid-template-columns:repeat(2,1fr)}
  .mock-breakdown{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:780px){
  .filter-bar{grid-template-columns:1fr}
  .mistake-library{grid-template-columns:1fr}
  .mock-essay-grid{grid-template-columns:1fr}
  .detail-layout{grid-template-columns:1fr}
  .detail-meta-grid{grid-template-columns:1fr 1fr}
  .mock-breakdown{grid-template-columns:repeat(2,1fr)}
}


/* =========================================================
   iPad 优先适配
   - 横屏：紧凑侧栏 + 桌面级双栏
   - 竖屏：底部 Dock + 触控优先
   - Safari：safe-area / 100dvh / 16px 表单防自动缩放
   ========================================================= */

html{
  min-height:100%;
  background:#f7f3ef;
  -webkit-text-size-adjust:100%;
}
body{
  min-height:100dvh;
  padding-top:env(safe-area-inset-top);
  padding-left:env(safe-area-inset-left);
  padding-right:env(safe-area-inset-right);
  -webkit-tap-highlight-color:transparent;
}
button,.module-card,.mistake-card,.collection-button,.record-button{
  touch-action:manipulation;
}
.tablet-settings{display:none}

/* 触控目标：iPad 手指操作不依赖精确点击 */
@media (pointer:coarse){
  button,.nav-item,.text-button,.soft-button,.primary-button,.soft-wide{
    min-height:44px;
  }
  .field input,.field textarea,.field select,
  .filter-bar select,.filter-bar input{
    min-height:46px;
    font-size:16px;
  }
  .task-item{min-height:52px}
  .check{width:24px;height:24px}
  .task-delete{min-width:40px;min-height:40px}
  .module-card{min-height:112px}
  .mistake-card,.collection-button,.record-button{cursor:default}
}

/* 顶栏在 iPad 上保持可见 */
@media (min-width:760px) and (max-width:1366px){
  .topbar{
    position:sticky;
    top:env(safe-area-inset-top);
    z-index:22;
    margin:0 -10px 22px;
    padding:10px;
    border-radius:18px;
    background:rgba(247,243,239,.82);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
  }
  .topbar-actions{display:flex;gap:8px;align-items:center}
  .tablet-settings{display:inline-flex}
  .panel,.stat-card,.module-card{
    -webkit-backdrop-filter:blur(14px);
  }
  .panel{scroll-margin-top:90px}
  .chart-shell{min-height:250px}
}

/* iPad 横屏：左侧窄导航，不浪费横向空间 */
@media (min-width:900px) and (max-width:1366px) and (orientation:landscape){
  .app-shell{grid-template-columns:96px minmax(0,1fr)}
  .sidebar{
    width:auto;
    padding:18px 10px calc(16px + env(safe-area-inset-bottom));
    align-items:stretch;
  }
  .brand{justify-content:center;padding:4px}
  .brand>div:last-child{display:none}
  .brand-mark{width:48px;height:48px;border-radius:17px}
  .nav-list{gap:7px}
  .nav-item{
    flex-direction:column;
    justify-content:center;
    gap:4px;
    min-height:62px;
    padding:9px 6px;
    font-size:11px;
    text-align:center;
  }
  .nav-item span:first-child{width:auto;font-size:18px}
  .sidebar-card{display:none}
  .sidebar>.ghost-button{font-size:11px;padding:8px 4px}
  .main{padding:22px 26px 50px}
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .module-grid{grid-template-columns:repeat(3,1fr)}
  .three-column{grid-template-columns:repeat(3,1fr)}
  .exam-overview-grid{grid-template-columns:repeat(3,1fr)}
  .two-column{grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr)}
  .exam-main-grid{grid-template-columns:1fr 1fr}
  .mock-essay-grid{grid-template-columns:1.1fr .9fr}
  .mistake-library{grid-template-columns:repeat(2,minmax(0,1fr))}
  .collection-grid{grid-template-columns:1fr}
  .image-wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .hero-card{padding:30px 32px}
  .hero-card h2{font-size:32px}
  .panel{padding:21px}
  .detail-modal{width:min(1060px,calc(100vw - 54px));max-height:calc(100dvh - 54px)}
  .detail-layout{grid-template-columns:minmax(300px,.9fr) minmax(0,1.1fr)}
}

/* iPad 竖屏：将导航改为底部 Dock，主内容获得整屏宽度 */
@media (min-width:760px) and (max-width:1100px) and (orientation:portrait){
  .app-shell{display:block}
  .sidebar{
    position:fixed;
    z-index:55;
    top:auto;
    left:50%;
    right:auto;
    bottom:calc(12px + env(safe-area-inset-bottom));
    transform:translateX(-50%);
    width:min(720px,calc(100vw - 30px));
    height:auto;
    min-height:72px;
    padding:8px 10px;
    border:1px solid rgba(226,218,212,.9);
    border-radius:24px;
    background:rgba(252,250,248,.9);
    backdrop-filter:blur(24px);
    -webkit-backdrop-filter:blur(24px);
    box-shadow:0 18px 55px rgba(55,45,38,.16);
    display:flex;
    flex-direction:row;
    align-items:center;
    gap:6px;
  }
  .brand,.sidebar-card,.sidebar>.ghost-button{display:none}
  .nav-list{
    width:100%;
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:5px;
  }
  .nav-item{
    min-width:0;
    min-height:56px;
    padding:7px 5px;
    flex-direction:column;
    justify-content:center;
    gap:3px;
    font-size:11px;
    text-align:center;
  }
  .nav-item span:first-child{width:auto;font-size:17px}
  .nav-item.active{box-shadow:none;background:#fff}
  .main{
    padding:22px 24px calc(118px + env(safe-area-inset-bottom));
  }
  .topbar{margin-bottom:22px}
  .hero-card{padding:30px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .module-grid{grid-template-columns:repeat(3,1fr)}
  .three-column{grid-template-columns:repeat(3,1fr)}
  .exam-overview-grid{grid-template-columns:repeat(3,1fr)}
  .two-column,.exam-main-grid,.mock-essay-grid{grid-template-columns:1fr}
  .mistake-library{grid-template-columns:repeat(2,minmax(0,1fr))}
  .collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .image-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .filter-bar{
    grid-template-columns:1fr 1fr;
  }
  .filter-bar input{grid-column:1/-1}
  .panel{padding:22px}
  .detail-modal{
    width:calc(100vw - 34px);
    max-height:calc(100dvh - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  }
  .detail-layout{grid-template-columns:1fr}
  .detail-image{max-height:43dvh}
  .mock-breakdown{grid-template-columns:repeat(5,1fr)}
}

/* iPad mini / 768 宽竖屏：再降一档密度 */
@media (min-width:760px) and (max-width:820px) and (orientation:portrait){
  .module-grid{grid-template-columns:1fr}
  .three-column{grid-template-columns:1fr}
  .exam-overview-grid{grid-template-columns:repeat(3,1fr)}
  .mistake-library,.collection-grid{grid-template-columns:1fr 1fr}
  .stat-value.large{font-size:29px}
}

/* 图片查看器：适合 iPad 看题目截图和答题卡 */
body.viewer-open{overflow:hidden}
.image-viewer{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  flex-direction:column;
  padding:
    calc(12px + env(safe-area-inset-top))
    calc(12px + env(safe-area-inset-right))
    calc(12px + env(safe-area-inset-bottom))
    calc(12px + env(safe-area-inset-left));
  background:rgba(24,22,21,.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.image-viewer.show{display:flex}
.image-viewer-toolbar{
  min-height:54px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:#fff;
  padding:0 4px 10px;
}
.image-viewer-title{font-size:14px;font-weight:600}
.image-viewer-actions{display:flex;gap:7px}
.image-viewer-actions button{
  min-width:46px;
  height:44px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:13px;
  background:rgba(255,255,255,.1);
  color:#fff;
  font-size:18px;
}
#zoomResetBtn{min-width:64px;font-size:12px}
.image-viewer-stage{
  position:relative;
  min-height:0;
  flex:1;
  overflow:auto;
  display:grid;
  place-items:center;
  border-radius:20px;
  background:rgba(255,255,255,.04);
  -webkit-overflow-scrolling:touch;
}
.image-viewer-stage img{
  max-width:96%;
  max-height:96%;
  object-fit:contain;
  transform-origin:center;
  transition:transform .16s ease;
  user-select:none;
  -webkit-user-drag:none;
}
#examPage img,.detail-modal img{cursor:zoom-in}

/* iPad Safari 弹窗和滚动 */
@media (min-width:760px) and (max-width:1366px){
  .modal,.detail-modal,.material-list,.image-viewer-stage{
    -webkit-overflow-scrolling:touch;
  }
  .modal{
    width:min(620px,calc(100vw - 40px));
    max-height:calc(100dvh - 50px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  }
  .modal-actions{
    position:sticky;
    bottom:-24px;
    margin:22px -24px -24px;
    padding:14px 24px calc(14px + env(safe-area-inset-bottom));
    background:rgba(255,253,251,.94);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
  }
}

/* 横竖屏切换时减少布局抖动 */
@media (prefers-reduced-motion:no-preference){
  @media (min-width:760px) and (max-width:1366px){
    .main,.sidebar,.nav-item,.panel,.module-card{
      transition:padding .2s ease,width .2s ease,transform .2s ease;
    }
  }
}


/* Web App / PWA */
.install-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.storage-line{
  display:flex;
  align-items:center;
  gap:7px;
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid rgba(115,100,90,.1);
  color:#817a74;
  font-size:10px;
}
#storageStatusDot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#c4aaa4;
  flex:none;
}
#storageStatusDot.ready{background:#8da288}
.install-modal{
  width:min(620px,calc(100vw - 34px));
  max-height:calc(100dvh - 50px);
  overflow:auto;
  background:#fffdfb;
  border-radius:26px;
  box-shadow:0 30px 80px rgba(45,37,31,.24);
  padding:26px;
}
.install-steps{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.install-step{
  display:grid;
  grid-template-columns:38px 1fr;
  gap:12px;
  align-items:flex-start;
  padding:14px;
  border-radius:17px;
  background:#f7f4f1;
}
.install-step>span{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#ead7d2,#e4ecdf);
  font-weight:700;color:#6e5b55
}
.install-step strong{font-size:13px}
.install-step p{margin:5px 0 0;color:var(--muted);font-size:11px;line-height:1.65}
.install-note{
  margin-top:14px;
  padding:15px;
  border-radius:17px;
  background:linear-gradient(145deg,#f2e9e5,#ebf0e8);
}
.install-note strong{font-size:12px}
.install-note p{margin:6px 0 0;font-size:11px;color:#746d68;line-height:1.65}

@media (display-mode:standalone){
  .install-button{display:none}
  body{
    overscroll-behavior-y:none;
  }
}

@media (min-width:760px) and (max-width:1100px) and (orientation:portrait){
  .install-button{display:inline-flex}
  .topbar-actions .soft-button{padding-left:12px;padding-right:12px}
}

@media(max-width:760px){
  .install-button{display:none}
}


/* 资料分类区 */
.resource-section{overflow:hidden}
.resource-panel-head{align-items:flex-start}
.panel-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.compact-primary{padding:9px 14px;font-size:12px;min-height:38px}
.resource-major-tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin:2px 0 14px;
  padding:5px;
  border-radius:17px;
  background:#f2eeea;
}
.resource-major-tab{
  min-height:52px;
  border:0;
  border-radius:13px;
  background:transparent;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  color:#817973;
  cursor:pointer;
}
.resource-major-tab span{font-size:14px;font-weight:700}
.resource-major-tab strong{
  min-width:24px;height:24px;padding:0 7px;border-radius:999px;
  display:grid;place-items:center;background:rgba(255,255,255,.72);
  color:#918780;font-size:11px
}
.resource-major-tab.active{
  background:#fff;
  color:#403a36;
  box-shadow:0 7px 20px rgba(71,57,48,.055)
}
.resource-major-tab.active strong{background:#efe4df;color:#8f6e68}
.resource-category-wrap{
  min-height:48px;
  display:flex;
  align-items:flex-start;
  gap:8px;
  flex-wrap:wrap;
}
.resource-category-chip{
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 11px;
  background:rgba(255,255,255,.56);
  color:#6f6862;
  display:inline-flex;
  align-items:center;
  gap:6px;
  cursor:pointer;
}
.resource-category-chip span{
  min-width:20px;height:20px;padding:0 5px;
  display:grid;place-items:center;
  border-radius:999px;
  background:#f2eeeb;
  font-size:10px;color:#938a83
}
.resource-category-chip.active{
  background:#383431;color:#fff;border-color:#383431
}
.resource-category-chip.active span{background:rgba(255,255,255,.16);color:#fff}
.resource-category-wrap.editing{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.resource-category-group{
  border:1px solid var(--line);
  border-radius:17px;
  padding:14px;
  background:rgba(255,255,255,.46)
}
.resource-category-group-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px
}
.resource-category-group-head strong{font-size:13px}
.category-add-btn{
  border:0;background:#f1ebe7;color:#7d6b64;border-radius:10px;padding:7px 9px;font-size:11px;cursor:pointer
}
.resource-category-list{display:flex;gap:7px;flex-wrap:wrap}
.resource-category-edit-chip{
  display:inline-flex;align-items:center;gap:4px;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;padding:5px 6px 5px 10px;font-size:11px
}
.resource-category-edit-chip button{
  width:28px;height:28px;border:0;border-radius:8px;background:#f5f1ee;color:#847a74;cursor:pointer
}
.resource-category-edit-chip button:last-child{color:#aa7972}
.resource-category-edit-chip small{padding:0 6px;color:#aaa19a}
.resource-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:13px 0 14px;
}
.resource-path{
  font-size:11px;color:#918881;
  white-space:nowrap
}
.resource-search{
  width:min(360px,52%);
  min-height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.68);
  padding:9px 12px;
  outline:none;
  color:#5d5752
}
.resource-search:focus{border-color:#bba29a;box-shadow:0 0 0 3px rgba(187,162,154,.11)}
.resource-library{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.resource-card{
  min-width:0;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:rgba(255,255,255,.54);
  display:flex;
  flex-direction:column;
}
.resource-cover{
  width:100%;height:132px;
  border:0;padding:0;background:#f2eeea;
  cursor:zoom-in;overflow:hidden
}
.resource-cover img{width:100%;height:100%;object-fit:cover;display:block}
.resource-cover-empty{
  height:132px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#f1e5e1,#e8eee5)
}
.resource-cover-empty span{
  width:58px;height:58px;border-radius:19px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.64);
  color:#775f59;font-family:Georgia,serif;font-size:20px
}
.resource-card-body{padding:14px;display:flex;flex-direction:column;flex:1}
.resource-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.resource-type{font-size:10px;color:#9a918a;white-space:nowrap}
.resource-card h4{font-size:14px;margin:10px 0 6px;line-height:1.45}
.resource-card p{font-size:11px;line-height:1.65;color:#77706b;margin:0;min-height:36px}
.resource-card .resource-no-note{color:#aaa29c}
.resource-card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  margin-top:auto;padding-top:12px;font-size:10px;color:#9c948e
}
.resource-card-foot>div{display:flex;gap:8px;align-items:center}
.resource-card-foot a,.resource-card-foot button{
  border:0;background:transparent;color:#8b6c66;text-decoration:none;padding:2px;cursor:pointer;font-size:10px
}
.resource-card-foot button{color:#a27d77}

@media(max-width:1180px){
  .resource-library{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:760px) and (max-width:1100px) and (orientation:portrait){
  .resource-library{grid-template-columns:repeat(2,minmax(0,1fr))}
  .resource-category-wrap.editing{grid-template-columns:1fr}
  .resource-toolbar{align-items:stretch}
  .resource-search{width:55%;font-size:16px}
}
@media(max-width:780px){
  .resource-panel-head{display:block}
  .panel-actions{margin-top:10px}
  .resource-category-wrap.editing{grid-template-columns:1fr}
  .resource-toolbar{display:block}
  .resource-search{width:100%;margin-top:9px;font-size:16px}
  .resource-library{grid-template-columns:1fr}
}


/* 全区域高清图片记录 */
.photo-panel,.together-memory-panel{margin-top:16px}
.record-item-rich{
  display:flex;
  align-items:flex-start;
  gap:12px;
}
.record-image-button,.task-image-button,.journal-image-button,.memory-image-button{
  border:0;
  padding:0;
  background:transparent;
  cursor:zoom-in;
  flex:none;
}
.record-item-rich .record-thumb{
  width:78px;height:78px;
  border-radius:14px;
  object-fit:cover;
  display:block
}
.task-item-with-image{align-items:center}
.task-thumb{
  width:48px;height:48px;border-radius:12px;
  object-fit:cover;border:1px solid var(--line);display:block
}
.journal-image-button{display:block;width:100%;margin-bottom:15px}
.journal-image{
  width:100%;
  max-height:280px;
  object-fit:cover;
  border-radius:16px;
  display:block
}
.life-photo-wall{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
}
.life-photo-card{
  border:1px solid var(--line);
  border-radius:17px;
  overflow:hidden;
  padding:0;
  background:rgba(255,255,255,.55);
  text-align:left;
  color:inherit;
  cursor:zoom-in
}
.life-photo-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  display:block
}
.life-photo-meta{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:10px 11px 12px
}
.life-photo-meta span{font-size:9px;letter-spacing:.08em;color:#9a8f88}
.life-photo-meta strong{font-size:11px;line-height:1.45}
.life-photo-meta small{font-size:9px;color:#aaa19a}

.memory-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px
}
.memory-card{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:19px;
  background:rgba(255,255,255,.56)
}
.memory-image{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  display:block
}
.memory-image-empty{
  display:grid;
  place-items:center;
  background:linear-gradient(145deg,#f0e3df,#e5ede2);
  font-size:31px;
  color:#9a746d
}
.memory-image-button{width:100%;display:block}
.memory-body{padding:13px}
.memory-top{
  display:flex;align-items:center;justify-content:space-between;
  gap:8px;font-size:9px;color:#9b928b
}
.memory-body h4{font-size:13px;margin:9px 0 5px}
.memory-body p{
  margin:0;color:#77706b;font-size:11px;line-height:1.65;
  white-space:pre-wrap
}
.memory-delete{
  border:0;background:transparent;color:#a7847d;
  font-size:10px;padding:8px 0 0;cursor:pointer
}

@media(max-width:1180px){
  .life-photo-wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .memory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:760px) and (max-width:1100px) and (orientation:portrait){
  .life-photo-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .memory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .record-item-rich .record-thumb{width:88px;height:88px}
}
@media(max-width:780px){
  .life-photo-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .memory-grid{grid-template-columns:1fr}
  .record-item-rich .record-thumb{width:72px;height:72px}
}