:root{
  --bleu-fr:#0055A4; --blanc:#FFFFFF; --rouge-fr:#EF4135;
  --navy:#14284A; --blue:#1E6FB8; --purple:#6A3D9A; --orange:#E86A1E; --green:#2E8B57; --gold:#E8A33D; --red:#C0504D;
  --bg:#F5F8FC; --ink:#222;
}
*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{ margin:0; font-family:"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif; background:var(--bg); color:var(--ink); line-height:1.45; }

/* ---------- flag + header ---------- */
.flag-strip{ height:6px; display:flex; }
.flag-strip span{ flex:1; }
.flag-strip .b{ background:var(--bleu-fr); } .flag-strip .w{ background:var(--blanc); } .flag-strip .r{ background:var(--rouge-fr); }

header.site{
  background:linear-gradient(120deg, var(--bleu-fr) 0%, var(--navy) 55%, var(--rouge-fr) 135%);
  color:#fff; padding:58px 20px 22px; position:relative;
}
header.site.hub{ text-align:center; padding:62px 20px 56px; }
header.site .eyebrow{ font-size:13px; letter-spacing:1.5px; text-transform:uppercase; opacity:.9; }
header.site h1{ margin:6px 0 4px; font-size:28px; line-height:1.2; }
header.site .zh-title{ font-size:16px; opacity:.92; }
header.site p.sub{ opacity:.93; font-size:14.5px; max-width:640px; margin:8px auto 0; }
.home-btn{ position:absolute; top:12px; right:14px; background:rgba(255,255,255,.18); border:2px solid rgba(255,255,255,.6); color:#fff; text-decoration:none; font-weight:800; font-size:13px; padding:7px 14px; border-radius:20px; display:inline-flex; align-items:center; gap:6px; }
.home-btn:hover{ background:#fff; color:var(--navy); }
.lang-select{ position:absolute; top:12px; left:14px; background:#fff; color:var(--navy); border:none; font-size:13px; font-weight:800; padding:7px 12px; border-radius:18px; cursor:pointer; max-width:46vw; }
header.hub .lang-select{ left:auto; right:14px; }

/* ---------- hub ---------- */
main.hub{ max-width:1080px; margin:0 auto; padding:0 16px 50px; }
.jump-wrap{ background:#fff; border-radius:16px; padding:14px 18px; margin:-30px auto 22px; box-shadow:0 4px 16px rgba(11,42,74,.16); position:relative; z-index:2; display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.jump-wrap label{ font-weight:800; color:var(--navy); font-size:14px; white-space:nowrap; }
.jump-wrap select{ flex:1; min-width:220px; padding:10px 12px; border-radius:10px; border:2px solid var(--bleu-fr); font-size:14.5px; font-weight:700; color:var(--navy); background:#fff; }
.jump-wrap button{ background:var(--rouge-fr); color:#fff; border:none; padding:10px 20px; border-radius:10px; font-weight:800; cursor:pointer; font-size:14px; }
.jump-wrap button:hover{ background:#c62f28; }

.audio-banner{ background:linear-gradient(90deg,#fff7e6,#fff); border:2px dashed var(--gold); border-radius:16px; padding:14px 18px; margin-bottom:24px; display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.audio-banner .txt{ flex:1; min-width:200px; font-size:14px; }
.audio-banner .txt strong{ color:#8a6300; display:block; margin-bottom:2px; font-size:15px; }
.audio-banner .links{ display:flex; gap:10px; flex-wrap:wrap; }
.audio-banner a{ background:var(--gold); color:#3a2a00; text-decoration:none; font-weight:800; padding:9px 16px; border-radius:10px; font-size:13.5px; }
.audio-banner a:hover{ background:#c8871f; color:#fff; }

.hub-section{ margin-bottom:34px; }
.section-title{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.section-title h2{ color:var(--navy); font-size:20px; margin:0; }

.module-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:18px; }
.module-card{ background:#fff; border-radius:16px; padding:20px 20px 16px; box-shadow:0 1px 5px rgba(0,0,0,.09); border-top:6px solid var(--bleu-fr); display:flex; flex-direction:column; gap:10px; }
.module-card.m8{ border-top-color:var(--rouge-fr); }
.module-num{ font-size:12px; font-weight:800; color:var(--bleu-fr); letter-spacing:1px; text-transform:uppercase; }
.module-card.m8 .module-num{ color:var(--rouge-fr); }
.module-card h3{ margin:0; font-size:20px; color:var(--navy); }
.module-card .desc{ font-size:13.5px; color:#666; }
.week-list{ list-style:none; margin:4px 0 0; padding:0; display:flex; flex-direction:column; gap:6px; }
.week-list li{ display:flex; align-items:center; gap:8px; background:#f3f6fb; border-radius:10px; padding:7px 10px; }
.week-list li.done{ background:#e7f5ec; }
.week-list a{ flex:1; text-decoration:none; color:var(--navy); font-weight:700; font-size:14px; }
.week-list a small{ display:block; font-weight:600; color:#7b8798; font-size:12px; }
.week-list a:hover{ color:var(--bleu-fr); }
.week-list .wk{ background:var(--navy); color:#fff; font-weight:800; font-size:12px; border-radius:8px; padding:3px 8px; white-space:nowrap; }
.week-list input{ width:17px; height:17px; accent-color:var(--green); cursor:pointer; }
.module-actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:6px; }
.btn{ display:inline-block; background:var(--bleu-fr); color:#fff; text-decoration:none; font-weight:700; font-size:14px; padding:9px 16px; border-radius:9px; border:none; cursor:pointer; }
.btn:hover{ background:var(--navy); }
.btn.alt{ background:#eef2f8; color:var(--navy); }
.btn.alt:hover{ background:#dde5f2; }

.feat-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:14px; }
.feat-card{ background:linear-gradient(135deg,#1a2140,#252e55); color:#fff; border-radius:16px; padding:16px 18px; text-decoration:none; display:flex; gap:12px; align-items:flex-start; }
.feat-card:hover{ outline:3px solid var(--rouge-fr); }
.feat-card .ico{ font-size:1.8em; }
.feat-card b{ display:block; font-size:15px; margin-bottom:2px; }
.feat-card span{ font-size:12.5px; color:#b9c0dd; }

/* ---------- module page ---------- */
nav.week-pills{ position:sticky; top:0; z-index:20; background:#fff; box-shadow:0 2px 6px rgba(0,0,0,.12); display:flex; gap:6px; padding:9px 12px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
nav.week-pills button{ flex:0 0 auto; background:#eef2f8; border:none; padding:9px 15px; border-radius:22px; cursor:pointer; font-weight:800; color:var(--navy); font-size:14px; white-space:nowrap; }
nav.week-pills button.active{ background:var(--navy); color:#fff; }
nav.week-pills button.res{ background:#fff3d6; color:#7a5200; }
nav.week-pills button.res.active{ background:var(--gold); color:#2c1f00; }
nav.week-pills button.done::after{ content:' ✓'; color:#2E8B57; }
nav.week-pills button.active.done::after{ color:#9be8b6; }

main.mod{ max-width:920px; margin:0 auto; padding:18px 16px 40px; }
.card{ background:#fff; border-radius:14px; padding:20px 22px; margin-bottom:20px; box-shadow:0 1px 4px rgba(0,0,0,.08); }
.week-head .wk-eyebrow{ color:var(--rouge-fr); font-weight:800; font-size:12.5px; letter-spacing:1.2px; text-transform:uppercase; }
.week-head h2{ margin:4px 0 10px; color:var(--navy); font-size:23px; }
.week-head .goals-h{ font-weight:800; color:var(--purple); margin:10px 0 4px; font-size:14px; }
.week-head ul{ margin:0; padding-left:20px; font-size:14.5px; }
.week-head li{ margin-bottom:4px; }
.week-done{ display:inline-flex; align-items:center; gap:7px; margin-top:12px; font-size:13.5px; color:#555; cursor:pointer; user-select:none; }
.week-done input{ width:17px; height:17px; accent-color:var(--green); }

.subtabs{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; }
.subtabs button{ background:#eef2f8; border:none; padding:10px 16px; border-radius:22px; cursor:pointer; font-weight:700; color:var(--navy); font-size:14.5px; }
.subtabs button.active{ background:var(--bleu-fr); color:#fff; }
.exo-tabs{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; }
.exo-tabs button{ background:#eef2f8; border:none; padding:9px 14px; border-radius:20px; cursor:pointer; font-weight:600; color:var(--navy); font-size:14px; }
.exo-tabs button.active{ background:var(--rouge-fr); color:#fff; }

h3.grp{ color:var(--purple); margin:18px 0 6px; font-size:17px; }
h3.grp:first-of-type{ margin-top:4px; }
.listen-all{ background:#eef2f8; border:none; border-radius:16px; padding:5px 12px; font-size:12.5px; font-weight:700; color:var(--navy); cursor:pointer; margin-left:8px; vertical-align:middle; }
.listen-all:hover{ background:var(--bleu-fr); color:#fff; }
table{ width:100%; border-collapse:collapse; margin:8px 0 12px; }
th,td{ border:1px solid #dfe5ee; padding:8px 10px; text-align:left; font-size:15px; vertical-align:middle; }
th{ background:var(--blue); color:#fff; font-size:14px; }
td.zh{ color:var(--purple); font-style:italic; }
td.lbl{ background:#f7f9fd; color:#33445f; font-weight:600; width:38%; }
.spk-btn{ background:none; border:none; cursor:pointer; font-size:17px; vertical-align:middle; padding:2px 4px; }
.spk-btn:hover{ transform:scale(1.2); }
.zh-sub{ color:#666; font-style:italic; font-size:14px; margin:6px 0; }
.hint{ color:#667; font-size:14px; margin:0 0 10px; }
.explain{ background:#f3f7fd; border-left:5px solid var(--bleu-fr); border-radius:6px; padding:10px 14px; margin:6px 0 10px; font-size:14.5px; }
.explain .zh-sub{ margin:4px 0 0; }

.exo-item{ background:#f5f8fc; border-radius:10px; padding:13px 15px; margin-bottom:12px; }
.exo-num{ font-weight:700; color:var(--blue); margin:0 0 8px; }
.word-chip{ display:inline-block; background:#fff; border:2px solid var(--blue); color:var(--blue); padding:6px 12px; margin:4px; border-radius:8px; cursor:pointer; font-weight:600; user-select:none; font-size:15px; }
.word-chip.used{ opacity:.3; pointer-events:none; }
.chip-answer{ min-height:44px; border:2px dashed #c4cddb; border-radius:8px; padding:6px; margin:8px 0; background:#fff; }
.chip-answer .word-chip{ border-color:var(--green); color:var(--green); }
.btn-reset,.btn-check{ background:var(--orange); color:#fff; border:none; padding:8px 14px; border-radius:7px; cursor:pointer; font-weight:700; margin-top:4px; font-size:14px; }
.btn-check{ background:var(--green); }
.feedback{ font-weight:700; margin:6px 0 0; }
.feedback.ok{ color:var(--green); } .feedback.ko{ color:var(--red); }
.blank-input{ border:2px solid #ccd3df; border-radius:6px; padding:5px 8px; font-size:15px; margin:0 4px; }
.blank-input.ok{ border-color:var(--green); background:#eaf7ee; }
.blank-input.ko{ border-color:var(--red); background:#fbeaea; }
.fill-ans{ color:var(--red); font-weight:700; font-size:13.5px; margin-left:4px; }
.fill-hint{ color:#778; font-size:13.5px; }
.quiz-q{ font-weight:700; margin:0 0 6px; }
.quiz-opt{ display:block; margin:5px 0; cursor:pointer; padding:5px 8px; border-radius:6px; }
.quiz-opt.right{ background:#e3f5e9; color:#1d6b3f; font-weight:700; }
.quiz-opt.wrong{ background:#fbeaea; color:#a33; }
.match-cols{ display:flex; gap:20px; justify-content:center; flex-wrap:wrap; }
.match-col{ display:flex; flex-direction:column; gap:8px; flex:1; min-width:140px; max-width:290px; }
.match-item{ background:#fff; border:2px solid var(--blue); border-radius:8px; padding:9px 12px; cursor:pointer; text-align:center; font-weight:700; color:var(--navy); font-size:15px; }
.match-item.selected{ background:var(--blue); color:#fff; }
.match-item.matched{ background:var(--green); border-color:var(--green); color:#fff; pointer-events:none; }
.score-box{ margin-top:12px; font-weight:800; font-size:16px; color:var(--navy); }

.res-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:12px; margin:8px 0 18px; }
.res-card{ background:#f5f8fc; border-radius:10px; padding:13px; display:flex; gap:11px; text-decoration:none; color:inherit; border:2px solid transparent; }
.res-card:hover{ border-color:var(--bleu-fr); }
.res-card.star{ background:linear-gradient(135deg,#fff4d6,#fff); border-color:var(--gold); }
.res-card.star:hover{ border-color:var(--rouge-fr); }
.res-ico{ font-size:1.6em; }
.res-name{ font-weight:700; color:var(--navy); margin-bottom:2px; font-size:14.5px; }
.res-desc{ font-size:12.5px; color:#778; }
.badge{ display:inline-block; background:var(--gold); color:#3a2a00; font-size:11px; font-weight:800; border-radius:8px; padding:1px 7px; margin-right:5px; }
.wkbadge{ display:inline-block; background:#e1e8f4; color:var(--navy); font-size:11px; font-weight:800; border-radius:8px; padding:1px 6px; margin-right:3px; }
h3.sec{ color:var(--navy); margin:16px 0 4px; font-size:17px; }

.week-nav{ display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-top:6px; }
footer.site{ text-align:center; color:#8a93a3; font-size:12.5px; padding:20px; }

@media (max-width:560px){
  header.site h1{ font-size:23px; }
  .card{ padding:16px 14px; }
  th,td{ padding:7px 8px; font-size:14.5px; }
  td.lbl{ width:auto; }
  .module-grid{ grid-template-columns:1fr; }
}