/* ========================================
   熹茗 AI 平台 · 白底朱红点缀（明亮淡雅）
   ======================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-0: #fdfbf7;
  --bg-1: #ffffff;
  --bg-2: #faf6f0;
  --bg-3: #f5ede2;
  --line: #ece4d4;
  --line-2: #d9cdb4;
  --red: #c8302c;
  --red-bright: #e04944;
  --red-deep: #9c1f1c;
  --red-soft: #fde7e6;
  --jade: #5a8f4f;
  --jade-soft: #e8f0e3;
  --rust: #b46847;
  --ink: #2d2419;
  --ink-2: #5a4d3a;
  --ink-3: #8a7a68;
  --gold: #b58a3a;
  --shadow: 0 2px 12px rgba(60,40,20,.08);
  --shadow-strong: 0 8px 32px rgba(200,48,44,.12);
  --glow: 0 0 0 4px rgba(200,48,44,.08);
}

@font-face { font-family: 'TeaSerif'; src: local('Songti SC'), local('SimSun'), local('serif'); }

html, body { background: var(--bg-0); color: var(--ink); font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; min-height: 100vh; overflow-x: hidden; }

/* ===== 背景装饰（淡雅水墨） ===== */
.bg-particles {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at top left, rgba(200,48,44,.04), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(181,138,58,.03), transparent 50%),
    var(--bg-0);
}
.bg-particles::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(200,48,44,.025) 0, transparent 2px),
    radial-gradient(circle at 70% 50%, rgba(200,48,44,.025) 0, transparent 2px),
    radial-gradient(circle at 40% 80%, rgba(181,138,58,.02) 0, transparent 2px),
    radial-gradient(circle at 90% 20%, rgba(200,48,44,.025) 0, transparent 2px);
  background-size: 250px 250px, 200px 200px, 300px 300px, 180px 180px;
  animation: drift 80s linear infinite;
}
@keyframes drift {
  0% { background-position: 0 0, 0 0, 0 0, 0 0; }
  100% { background-position: 250px 250px, -200px 200px, 300px -300px, -180px 180px; }
}

/* 落叶（淡红） */
.leaves { position: fixed; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
.leaf { position: absolute; top: -40px; opacity: 0; animation: fall linear infinite; font-size: 18px; color: var(--red); }
@keyframes fall {
  0% { transform: translateY(-40px) rotate(0deg); opacity: 0; }
  10% { opacity: .35; }
  100% { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

/* ===== Topbar ===== */
.topbar {
  position: relative; z-index: 10;
  padding: 18px 32px;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  display: flex; justify-content: space-between; align-items: center;
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 800; font-family: "Songti SC","SimSun",serif;
  box-shadow: 0 4px 16px rgba(200,48,44,.25);
  position: relative;
}
.logo::after { content: ''; position: absolute; inset: -3px; border: 1px solid var(--red); border-radius: 16px; opacity: .25; }
.brand h1 { font-size: 20px; font-weight: 700; color: var(--ink); font-family: "Songti SC","SimSun",serif; letter-spacing: 2px; }
.brand h1 span { color: var(--red); }
.brand .sub { font-size: 11px; color: var(--ink-3); margin-top: 4px; letter-spacing: 1px; }

.role-bar { display: flex; gap: 10px; align-items: center; }
.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--jade); box-shadow: 0 0 6px var(--jade); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.live-text { font-size: 11px; color: var(--ink-2); }
.role-bar select {
  background: white; color: var(--red); border: 1px solid var(--line-2);
  border-radius: 8px; padding: 8px 14px; font-size: 12px; cursor: pointer; font-family: inherit;
}
.role-bar select:hover { border-color: var(--red); }
.role-bar select option { background: white; color: var(--ink); }

/* ===== Tabs ===== */
.tabs {
  position: relative; z-index: 10;
  display: flex; gap: 2px; padding: 0 32px; background: rgba(255,255,255,.85);
  border-bottom: 1px solid var(--line); overflow-x: auto;
  scrollbar-width: thin;
}
.tab {
  background: transparent; border: none; padding: 14px 18px;
  font-size: 13px; cursor: pointer; color: var(--ink-3); white-space: nowrap;
  border-bottom: 2px solid transparent; font-family: inherit;
  transition: color .2s;
}
.tab:hover { color: var(--red); }
.tab.active {
  color: var(--red); border-bottom-color: var(--red);
  font-weight: 600;
}

main { padding: 28px 32px 80px; max-width: 1400px; margin: 0 auto; position: relative; z-index: 5; }
.panel { display: none; animation: fadeIn .4s; }
.panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.panel-head { margin-bottom: 22px; }
.panel-head h2 { font-size: 24px; color: var(--red); font-family: "Songti SC","SimSun",serif; letter-spacing: 1px; margin-bottom: 8px; }
.panel-head h2::before { content: '◇ '; color: var(--red); opacity: .7; }
.panel-head p { color: var(--ink-2); font-size: 13px; max-width: 880px; line-height: 1.7; }

/* ===== Card ===== */
.card {
  background: var(--bg-1);
  border: 1px solid var(--line); border-radius: 14px;
  padding: 20px; box-shadow: var(--shadow);
}
.card:hover { border-color: var(--line-2); }

/* ===== Overview Dashboard ===== */
.dash-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
@media (max-width: 900px) { .dash-grid { grid-template-columns: repeat(2,1fr); } }
.metric { padding: 18px; position: relative; overflow: hidden; transition: .2s; }
.metric::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--red), var(--red-deep)); }
.metric:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); }
.metric h4 { font-size: 11px; color: var(--ink-3); font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }
.metric .num { font-size: 32px; font-weight: 700; color: var(--red); margin: 8px 0 4px; font-family: "Songti SC",serif; }
.metric .delta { font-size: 11px; color: var(--jade); }
.metric .delta.down { color: var(--red); }

.dash-2col { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 900px) { .dash-2col { grid-template-columns: 1fr; } }

/* live feed */
.live-feed { padding: 18px; }
.live-feed h3 { color: var(--red); font-size: 14px; margin-bottom: 12px; display:flex; align-items: center; gap: 8px; font-weight: 700; }
.live-feed h3 .live-dot { width: 6px; height: 6px; }
.feed-item { padding: 10px 0; border-bottom: 1px dashed var(--line); display: flex; gap: 10px; font-size: 12px; opacity: 0; animation: feedIn .4s forwards; }
.feed-item:last-child { border: none; }
.feed-time { color: var(--ink-3); font-family: monospace; flex-shrink: 0; }
.feed-text { color: var(--ink-2); flex: 1; }
.feed-text b { color: var(--red); }
@keyframes feedIn { to { opacity: 1; } }

/* ===== Chat ===== */
.chat-wrap { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
@media (max-width: 900px) { .chat-wrap { grid-template-columns: 1fr; } .reasoning { display: none; } }
.chat { background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; display:flex; flex-direction:column; height: 620px; box-shadow: var(--shadow); }
.chat-messages { flex:1; overflow-y:auto; padding: 22px; display: flex; flex-direction: column; gap: 16px; }
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 3px; }
.msg { max-width: 88%; padding: 13px 17px; border-radius: 14px; font-size: 13.5px; line-height: 1.7; }
.msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  color: white; border-bottom-right-radius: 4px;
  box-shadow: 0 2px 10px rgba(200,48,44,.2);
}
.msg.ai {
  align-self: flex-start; background: var(--bg-2); color: var(--ink); border: 1px solid var(--line);
  border-bottom-left-radius: 4px; white-space: pre-wrap;
  position: relative;
}
.msg.ai::before {
  content: '熹'; position: absolute; left: -38px; top: 0;
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  color: white; display: flex; align-items: center; justify-content: center;
  font-family: "Songti SC",serif; font-size: 16px; font-weight: 700;
  box-shadow: 0 2px 8px rgba(200,48,44,.25);
}
.msg.ai .source {
  font-size: 11px; color: var(--red); margin-top: 10px; padding-top: 8px;
  border-top: 1px dashed var(--line-2);
}
.chat-suggest { padding: 0 22px 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.chat-suggest button {
  background: var(--red-soft); color: var(--red); border: 1px solid #f5cfcd;
  border-radius: 14px; padding: 6px 12px; font-size: 11px; cursor: pointer; font-family: inherit;
  transition: .2s;
}
.chat-suggest button:hover { background: var(--red); color: white; border-color: var(--red); }
.chat-input { display: flex; gap: 8px; padding: 14px 22px; border-top: 1px solid var(--line); background: var(--bg-2); }
.chat-input input {
  flex:1; padding: 11px 16px; background: white; color: var(--ink);
  border: 1px solid var(--line-2); border-radius: 10px; font-size: 13px; font-family: inherit;
}
.chat-input input:focus { outline: none; border-color: var(--red); box-shadow: var(--glow); }
.chat-input button {
  padding: 11px 22px;
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  color: white; border: none; border-radius: 10px;
  cursor: pointer; font-weight: 700; font-family: inherit;
  box-shadow: 0 2px 8px rgba(200,48,44,.2);
}
.chat-input button:hover { filter: brightness(1.05); }
.chat-input .voice {
  background: white; color: var(--red); border: 1px solid var(--line-2);
  width: 44px; padding: 0;
}
.chat-input .voice:hover { background: var(--red-soft); }
.typing::after { content: '▋'; animation: blink 1s infinite; color: var(--red); }
@keyframes blink { 50% { opacity: 0; } }

/* Reasoning trace panel */
.reasoning {
  background: var(--bg-1);
  border: 1px solid var(--line); border-radius: 14px; padding: 18px; height: 620px; overflow-y: auto;
  box-shadow: var(--shadow);
}
.reasoning h3 { color: var(--red); font-size: 14px; margin-bottom: 12px; font-weight: 700; }
.reasoning .empty { color: var(--ink-3); font-size: 12px; text-align: center; padding: 40px 0; }
.trace-step {
  background: var(--bg-2); border-left: 3px solid var(--red);
  padding: 10px 12px; margin-bottom: 10px; border-radius: 0 8px 8px 0;
  font-size: 12px;
}
.trace-step.tool { border-left-color: var(--jade); background: var(--jade-soft); }
.trace-step.done { border-left-color: var(--gold); background: #fff8e6; }
.trace-label { color: var(--red); font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.trace-step.tool .trace-label { color: var(--jade); }
.trace-step.done .trace-label { color: var(--gold); }
.trace-text { color: var(--ink-2); font-family: monospace; font-size: 11px; }
.trace-step .ms { color: var(--ink-3); float: right; font-family: monospace; font-size: 10px; }

/* ===== KB ===== */
.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 14px; margin-bottom: 20px; }
.kb-card {
  background: var(--bg-1);
  border:1px solid var(--line); border-radius:12px; padding:18px;
  cursor:pointer; transition: .25s; position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.kb-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  opacity: 0; transition: .25s;
}
.kb-card:hover {
  transform: translateY(-3px); border-color: var(--red);
  box-shadow: var(--shadow-strong);
}
.kb-card:hover::before { opacity: 1; }
.kb-card .emoji { font-size: 38px; }
.kb-card h4 { font-size: 16px; margin-top: 8px; color: var(--ink); font-family: "Songti SC",serif; }
.kb-card .cat { font-size: 11px; color: var(--ink-3); margin: 4px 0; letter-spacing: 1px; }
.kb-card .price { float: right; color: var(--red); font-weight: 700; font-size: 18px; font-family: "Songti SC",serif; }
.kb-card .price small { color: var(--ink-3); font-size: 10px; font-weight: 400; }
.kb-card .grade { display: inline-block; background: var(--red-soft); color: var(--red); padding: 2px 8px; border-radius: 8px; font-size: 10px; margin-top: 4px; font-weight: 600; }

.kb-detail { background: var(--bg-1); border:1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: var(--shadow); }
.kb-detail .empty { color: var(--ink-3); text-align:center; padding: 40px; font-size: 13px; }
.kb-detail h3 { color: var(--ink); margin-bottom: 6px; font-family: "Songti SC",serif; font-size: 22px; letter-spacing: 1px; }
.kb-detail .meta { color: var(--ink-3); font-size: 12px; margin-bottom: 18px; }
.kb-detail .meta b { color: var(--red); margin-right: 6px; }
.kb-detail .section { margin: 16px 0; padding: 14px; background: var(--bg-2); border-radius: 10px; border: 1px solid var(--line); }
.kb-detail .section-title { font-weight:700; color: var(--red); margin-bottom: 10px; font-size: 13px; letter-spacing: 1px; }
.kb-detail .section-title::before { content: '◆ '; color: var(--red); opacity: .7; }
.craft-flow { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.craft-step { background: white; border: 1px solid var(--line-2); padding: 6px 12px; border-radius: 6px; font-size: 12px; color: var(--ink); }
.craft-arrow { color: var(--red); font-size: 14px; }
.flavor-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.flavor-tag { background: linear-gradient(135deg, var(--red), var(--red-deep)); color: white; padding: 4px 12px; border-radius: 14px; font-size: 11px; }
.scripts-box { background: var(--jade-soft); border-left: 3px solid var(--jade); padding: 12px 16px; border-radius: 0 8px 8px 0; font-size: 13px; line-height:1.8; color: var(--ink); }
.nutrition-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.nutrition-cell { background: white; border: 1px solid var(--line-2); padding: 8px 14px; border-radius: 8px; }
.nutrition-cell .k { font-size: 10px; color: var(--ink-3); }
.nutrition-cell .v { font-size: 14px; color: var(--red); font-weight: 700; }
.faq-item { background: white; padding: 10px 12px; margin: 8px 0; border-radius: 6px; border-left: 2px solid var(--red); font-size: 12.5px; line-height: 1.7; border: 1px solid var(--line); border-left-width: 3px; }
.faq-item b { color: var(--red); }

/* ===== Brewing Simulator (升级版 SVG 盖碗) ===== */
.brew-sim { background: linear-gradient(180deg, #fff 0%, #fdfaf5 100%); border: 1px solid var(--line); padding: 18px; border-radius: 12px; margin-top: 12px; }
.brew-params { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.param-cell { background: var(--red-soft); border: 1px solid #f5cfcd; padding: 10px; border-radius: 8px; text-align: center; }
.param-k { font-size: 11px; color: var(--ink-3); letter-spacing: 1px; margin-bottom: 4px; }
.param-v { font-size: 22px; color: var(--red); font-weight: 700; font-family: "Songti SC", serif; }
.param-v small { font-size: 11px; color: var(--ink-3); font-weight: 400; margin-left: 2px; }

.brew-stage { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 14px; }
@media (max-width: 760px) { .brew-stage { grid-template-columns: 1fr; } }
.brew-scene { background: linear-gradient(180deg, #fdfaf5 0%, #f5ede2 100%); border: 1px solid var(--line); border-radius: 10px; padding: 14px; min-height: 260px; display: flex; align-items: center; justify-content: center; }
.brew-scene svg { width: 100%; max-width: 600px; height: auto; }
.brew-info { background: white; border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.brew-step-tag { display: inline-block; padding: 6px 14px; border-radius: 16px; font-size: 12px; font-weight: 700; text-align: center; letter-spacing: 1px; }
.brew-step-tag.idle { background: var(--bg-3); color: var(--ink-3); }
.brew-step-tag.active { background: linear-gradient(135deg, var(--red), var(--red-deep)); color: white; box-shadow: 0 2px 8px rgba(200,48,44,.25); }
.brew-step-tag.done { background: linear-gradient(135deg, var(--jade), #4a7c40); color: white; }
.brew-timer { font-size: 30px; color: var(--red); font-family: "Songti SC", serif; font-weight: 700; text-align: center; line-height: 1.1; }
.brew-timer small { font-size: 14px; color: var(--ink-3); font-weight: 400; margin: 0 4px; }
.brew-hint { font-size: 13px; color: var(--ink); padding: 10px; background: var(--red-soft); border-radius: 8px; min-height: 50px; line-height: 1.6; }
.brew-bar { height: 6px; background: var(--bg-3); border-radius: 3px; overflow: hidden; }
.brew-bar > div { height: 100%; background: linear-gradient(90deg, var(--red), var(--red-deep)); transition: width .15s linear; width: 0%; }

.brew-timeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 6px; margin-bottom: 14px; }
.tl-cell { background: var(--bg-2); border: 1px solid var(--line); padding: 8px; border-radius: 6px; cursor: pointer; transition: .2s; text-align: center; }
.tl-cell:hover { border-color: var(--red); transform: translateY(-1px); }
.tl-cell.tl-current { background: linear-gradient(135deg, var(--red), var(--red-deep)); color: white; border-color: var(--red); }
.tl-cell.tl-current .tl-num, .tl-cell.tl-current .tl-time, .tl-cell.tl-current .tl-hint { color: white; }
.tl-cell.tl-past { background: var(--jade-soft); border-color: var(--jade); }
.tl-cell.tl-past .tl-num { color: var(--jade); }
.tl-num { font-size: 11px; color: var(--red); font-weight: 700; }
.tl-time { font-size: 14px; color: var(--ink); font-weight: 700; font-family: monospace; margin: 2px 0; }
.tl-hint { font-size: 10px; color: var(--ink-3); line-height: 1.3; }

.brew-controls { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.brew-controls button { background: white; color: var(--ink); border: 1px solid var(--line-2); padding: 8px 16px; border-radius: 6px; cursor: pointer; font-weight: 600; font-family: inherit; font-size: 12px; transition: .2s; }
.brew-controls button:hover { border-color: var(--red); color: var(--red); }
.brew-controls .btn-primary { background: linear-gradient(135deg, var(--red), var(--red-deep)); color: white; border-color: var(--red); }
.brew-controls .btn-primary:hover { color: white; filter: brightness(1.05); }

/* ===== Knowledge Graph ===== */
.kg-wrap { display: grid; grid-template-columns: 3fr 1fr; gap: 14px; }
@media (max-width: 900px) { .kg-wrap { grid-template-columns: 1fr; } }
.kg-svg-wrap { background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; padding: 14px; min-height: 480px; position: relative; box-shadow: var(--shadow); }
#kgSvg { width: 100%; height: 460px; }
.kg-node { cursor: pointer; transition: .2s; }
.kg-node:hover { filter: brightness(.92); }
.kg-info { background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.kg-info h3 { color: var(--red); font-size: 14px; margin-bottom: 10px; font-weight: 700; }
.kg-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.kg-legend-item { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--ink-2); }
.kg-legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.kg-detail { font-size: 12px; line-height: 1.7; color: var(--ink-2); padding: 10px; background: var(--bg-2); border-radius: 6px; min-height: 200px; }
.kg-detail .empty { color: var(--ink-3); text-align: center; padding: 30px 0; }
.kg-detail b { color: var(--red); }

/* ===== Quiz ===== */
.quiz-wrap { max-width: 760px; margin: 0 auto; }
.quiz-stats { display: flex; gap: 12px; margin-bottom: 16px; }
.quiz-stats > div { flex:1; background: var(--bg-1); border:1px solid var(--line); border-radius: 12px; padding: 16px; text-align: center; box-shadow: var(--shadow); }
.quiz-stats span { font-size: 30px; font-weight: 700; color: var(--red); display:block; font-family: "Songti SC",serif; }
.quiz-stats small { color: var(--ink-3); font-size: 11px; letter-spacing: 1px; }
.quiz-card { background: var(--bg-1); border:1px solid var(--line); border-radius: 14px; padding: 28px; min-height: 320px; box-shadow: var(--shadow); }
.quiz-card h3 { color: var(--red); margin-bottom: 14px; font-size: 13px; letter-spacing: 1px; font-weight: 700; }
.quiz-q { font-size: 17px; margin: 14px 0 22px; line-height: 1.6; color: var(--ink); font-family: "Songti SC",serif; }
.quiz-options { display: flex; flex-direction: column; gap: 10px; }
.quiz-options button {
  text-align: left; padding: 14px 18px;
  background: var(--bg-2); color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 10px; cursor: pointer;
  font-family: inherit; font-size: 13.5px; transition: .2s;
}
.quiz-options button:hover { border-color: var(--red); transform: translateX(4px); background: white; }
.quiz-options button.correct { background: var(--jade-soft); border-color: var(--jade); color: var(--jade); }
.quiz-options button.wrong { background: var(--red-soft); border-color: var(--red); color: var(--red); }
.quiz-explain { margin-top: 16px; padding: 14px 16px; background: var(--red-soft); border: 1px solid #f5cfcd; border-radius: 8px; font-size: 13px; line-height:1.7; color: var(--ink-2); }
.quiz-next { margin-top: 14px; padding: 11px 26px; background: linear-gradient(135deg, var(--red), var(--red-deep)); color: white; border:none; border-radius: 8px; cursor: pointer; font-weight: 700; }

/* ===== Ops ===== */
.advice-list { padding: 18px; }
.advice-list h3 { color: var(--red); margin-bottom: 12px; font-size: 14px; font-weight: 700; }
.advice-item { padding: 14px 0; border-bottom: 1px dashed var(--line); display: flex; gap: 12px; align-items: flex-start; }
.advice-item:last-child { border: none; }
.advice-tag { background: linear-gradient(135deg, var(--red), var(--red-deep)); color: white; padding: 3px 10px; border-radius: 10px; font-size: 11px; font-weight: 700; flex-shrink: 0; }
.advice-tag.high { background: linear-gradient(135deg, var(--red), var(--red-deep)); }
.advice-tag.medium { background: linear-gradient(135deg, var(--gold), #d6a347); color: white; }
.advice-tag.low { background: linear-gradient(135deg, var(--jade), #4a7c40); color: white; }
.advice-body { flex: 1; font-size: 13px; line-height: 1.6; color: var(--ink); }
.advice-reason { color: var(--ink-3); font-size: 11.5px; margin-top: 6px; line-height: 1.6; }
.advice-tools { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px; }
.advice-tools code { background: var(--bg-2); border: 1px solid var(--line); padding: 2px 6px; border-radius: 4px; font-size: 10px; color: var(--jade); }

.ops-chart { padding: 18px; margin-top: 14px; }
.ops-chart h3 { color: var(--red); margin-bottom: 10px; font-size: 14px; font-weight: 700; }
.ops-chart canvas { width: 100%; }

/* ===== Vision ===== */
.vision-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .vision-wrap { grid-template-columns: 1fr; } }
.drop {
  display: block; border: 2px dashed var(--red); border-radius: 12px;
  padding: 50px 20px; text-align: center; cursor: pointer;
  background: var(--red-soft); color: var(--red); transition: .25s;
}
.drop:hover { background: white; border-color: var(--red-deep); }
.drop input { display: none; }
.drop small { font-size: 11px; color: var(--ink-3); }
.vision-preview { margin-top: 12px; }
.vision-preview img { max-width: 100%; border-radius: 10px; border: 1px solid var(--line); }
.vision-result { background: var(--bg-1); border:1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: var(--shadow); }
.vision-result .empty { color: var(--ink-3); text-align:center; padding: 80px 0; font-size: 13px; }
.vision-result h3 { color: var(--red); margin-bottom: 14px; font-size: 14px; font-weight: 700; }
.score-row { display: flex; align-items: center; padding: 8px 0; gap: 12px; }
.score-row .label { width: 60px; font-size: 12px; color: var(--ink-2); }
.score-bar { flex: 1; height: 8px; background: var(--bg-3); border-radius: 4px; overflow: hidden; }
.score-bar > div { height: 100%; background: linear-gradient(90deg, var(--red), var(--red-deep)); transition: width .8s; }
.score-num { width: 36px; text-align: right; font-weight: 700; color: var(--red); font-family: monospace; }
.score-tip { font-size: 11px; color: var(--ink-3); padding: 0 0 10px 72px; line-height: 1.5; }
.overall { text-align: center; padding: 18px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; margin-top: 14px; }
.overall .num { font-size: 42px; font-weight: 700; color: var(--red); font-family: "Songti SC",serif; }
.overall .label { color: var(--ink-2); font-size: 12px; margin-top: 4px; letter-spacing: 1px; }

/* ===== Architecture ===== */
.arch-stack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.arch-layer { display: flex; align-items: center; gap: 14px; padding: 12px; border-radius: 10px; background: var(--bg-2); border-left: 4px solid; transition: .25s; }
.arch-layer:hover { transform: translateX(6px); background: white; box-shadow: var(--shadow); }
.arch-layer .name { width: 100px; flex-shrink: 0; font-weight: 700; font-size: 13px; letter-spacing: 1px; }
.arch-layer .items { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.arch-layer .item { background: white; border: 1px solid var(--line); padding: 5px 10px; border-radius: 6px; font-size: 11px; color: var(--ink); }

.arch-table { background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: var(--shadow); }
.arch-table h3 { color: var(--red); margin-bottom: 14px; font-size: 16px; font-weight: 700; }
.arch-table table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.arch-table th, .arch-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.arch-table th { background: var(--red-soft); color: var(--red); font-weight: 700; letter-spacing: 1px; font-size: 11px; }
.arch-table td { color: var(--ink-2); white-space: pre-line; line-height: 1.6; }
.arch-table tr:hover td { background: var(--bg-2); }
.arch-table .biz { color: var(--ink); font-weight: 600; }
.arch-table .gain { color: var(--jade); font-weight: 700; }

/* ===== Footer ===== */
footer {
  text-align: center; padding: 24px; color: var(--ink-3); font-size: 11px;
  border-top: 1px solid var(--line); margin-top: 40px; position: relative; z-index: 5;
  background: var(--bg-1);
}
footer a { color: var(--red); text-decoration: none; }
footer a:hover { color: var(--red-deep); text-decoration: underline; }