/* ===== VARIABLES ===== */
:root {
  --bg: #0a0a0f;
  --bg-card: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text: #ffffff;
  --text2: #a1a1aa;
  --text3: #71717a;
  --accent: #9970f3;
  --accent2: #c084fc;
  --gradient: linear-gradient(135deg, #8F54F9, #c084fc);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; font-family: var(--font); background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ===== PROGRESS BAR ===== */
.progress-bar { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 100; background: rgba(255,255,255,0.05); }
.progress-fill { height: 100%; background: var(--gradient); transition: width 0.4s cubic-bezier(0.16,1,0.3,1); width: 5%; }

/* ===== NAVIGATION ===== */
.slide-nav { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 100; display: flex; align-items: center; gap: 16px; padding: 8px 20px; background: rgba(20,20,30,0.8); backdrop-filter: blur(16px); border-radius: 100px; border: 1px solid var(--border); }
.nav-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background 0.2s; color: var(--text2); }
.nav-btn:hover { background: rgba(255,255,255,0.08); color: var(--text); }
.slide-counter { font-size: 0.8rem; color: var(--text3); font-weight: 500; min-width: 50px; text-align: center; }
.overview-btn { position: fixed; bottom: 24px; right: 24px; z-index: 100; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(20,20,30,0.8); backdrop-filter: blur(16px); border-radius: 50%; border: 1px solid var(--border); color: var(--text2); transition: all 0.2s; }
.overview-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ===== OVERVIEW PANEL ===== */
.overview-panel { position: fixed; inset: 0; z-index: 200; background: rgba(10,10,15,0.95); backdrop-filter: blur(20px); display: none; flex-direction: column; padding: 60px 40px 40px; overflow-y: auto; }
.overview-panel.open { display: flex; }
.overview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.overview-header h3 { font-size: 1.2rem; font-weight: 700; }
.overview-close { font-size: 1.8rem; color: var(--text2); transition: color 0.2s; }
.overview-close:hover { color: var(--text); }
.overview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.ov-item { padding: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; cursor: pointer; transition: all 0.2s; }
.ov-item:hover { border-color: var(--accent); background: rgba(153,112,243,0.05); }
.ov-item.active { border-color: var(--accent); }
.ov-num { font-size: 0.7rem; color: var(--text3); margin-bottom: 4px; }
.ov-title { font-size: 0.85rem; font-weight: 600; }

/* ===== SLIDES CONTAINER ===== */
.slides-container { position: relative; width: 100%; height: 100vh; }
.slide { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; transition: opacity 0.5s cubic-bezier(0.16,1,0.3,1), transform 0.5s cubic-bezier(0.16,1,0.3,1); transform: translateX(40px); display: flex; align-items: center; justify-content: center; overflow-y: auto; overflow-x: hidden; }
.slide.active { opacity: 1; visibility: visible; transform: translateX(0); z-index: 10; }
.slide.prev { transform: translateX(-40px); }
.slide-inner { width: 100%; max-width: 1100px; margin: 0 auto; padding: 80px 40px 100px; }
.center-content { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }

/* ===== SLIDE ELEMENTS ===== */
.slide-tag { display: inline-block; padding: 4px 14px; background: rgba(153,112,243,0.1); border: 1px solid rgba(153,112,243,0.2); border-radius: 100px; font-size: 0.75rem; font-weight: 600; color: var(--accent); margin-bottom: 16px; }
.slide-title { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 32px; line-height: 1.2; }
.lead { font-size: 1.05rem; color: var(--text2); line-height: 1.7; margin-bottom: 24px; }
.lead strong { color: var(--text); }

/* Cover */
.slide-cover .cover-glow { position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(153,112,243,0.15), transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -50%); filter: blur(60px); }
.cover-badge { display: inline-block; padding: 6px 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 100px; font-size: 0.82rem; color: var(--text2); margin-bottom: 24px; position: relative; }
.cover-title { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 900; letter-spacing: -0.02em; margin-bottom: 16px; position: relative; }
.cover-subtitle { font-size: 1.15rem; color: var(--text2); margin-bottom: 24px; position: relative; }
.cover-meta { font-size: 0.85rem; color: var(--text3); display: flex; gap: 12px; align-items: center; position: relative; }
.dot-sep { color: var(--accent); }
.cover-hint { margin-top: 60px; font-size: 0.8rem; color: var(--text3); animation: pulse 2s infinite; position: relative; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* Content Grid */
.content-grid { display: block; max-width: 720px; }
.content-side { display: none; }

/* Feature List */
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text2); line-height: 1.6; }
.feature-list li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.feature-list li strong { color: var(--text); }

/* Step List */
.step-list { display: flex; flex-direction: column; gap: 10px; counter-reset: step; }
.step-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text2); line-height: 1.6; padding-left: 8px; border-left: 2px solid var(--border); }
.step-list li strong { color: var(--text); }
.step-list.compact { gap: 6px; }

/* Info Cards */
.info-card { padding: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; }
.info-icon { font-size: 1.4rem; margin-bottom: 8px; }
.info-card h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; }
.info-card p { font-size: 0.8rem; color: var(--text3); }

/* Value Grid */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.value-card { padding: 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; transition: all 0.3s; }
.value-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.value-num { font-size: 1.8rem; font-weight: 900; margin-bottom: 8px; }
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.value-card p { font-size: 0.82rem; color: var(--text2); line-height: 1.6; }

/* Panorama */
.panorama-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.pan-group { padding: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; }
.pan-label { font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; }
.pan-items { display: flex; flex-wrap: wrap; gap: 6px; }
.pan-item { padding: 4px 10px; background: rgba(153,112,243,0.08); border: 1px solid rgba(153,112,243,0.15); border-radius: 100px; font-size: 0.72rem; color: var(--text2); }

/* Flow Diagram */
.flow-diagram { display: flex; align-items: flex-start; justify-content: center; gap: 0; flex-wrap: wrap; }
.flow-step { text-align: center; padding: 16px; flex: 0 0 auto; width: 130px; }
.flow-step.highlight { background: rgba(153,112,243,0.08); border-radius: 16px; border: 1px solid rgba(153,112,243,0.2); }
.flow-icon { font-size: 2rem; margin-bottom: 8px; }
.flow-label { font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; }
.flow-desc { font-size: 0.72rem; color: var(--text3); }
.flow-arrow { color: var(--text3); font-size: 1.2rem; padding-top: 30px; }

/* Flow Vertical */
.flow-vertical { display: flex; flex-direction: column; align-items: center; gap: 0; }
.fv-item { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--text2); padding: 6px 16px; }
.fv-item.highlight { color: var(--accent); font-weight: 700; }
.fv-dot { width: 22px; height: 22px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.65rem; color: white; font-weight: 700; flex-shrink: 0; }
.fv-line { width: 2px; height: 16px; background: var(--border); }

/* Tip Box */
.tip-box { margin-top: 20px; padding: 14px 18px; background: rgba(153,112,243,0.05); border: 1px solid rgba(153,112,243,0.12); border-radius: 12px; font-size: 0.82rem; color: var(--text2); line-height: 1.6; }
.tip-box strong { color: var(--text); }
.highlight-box { margin-top: 16px; padding: 16px 20px; background: rgba(153,112,243,0.08); border: 2px solid var(--accent); border-radius: 12px; font-size: 0.88rem; color: var(--text); line-height: 1.7; box-shadow: 0 0 20px rgba(153,112,243,0.15); }
.highlight-box strong { color: var(--accent2); }

/* Slide sub-headings (e.g. 操作步骤：/ 支持素材类型：) */
.slide-inner h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin: 18px 0 10px;
}

/* Teleprompter marks & legend */
.tp-em {
  font-style: normal;
  font-weight: 800;
  color: #ff8f5a;
  background: rgba(255,107,53,0.14);
  border-radius: 4px;
  padding: 0 4px;
}
.tp-up, .tp-down, .tp-pause { font-weight: 800; }
.tp-up { color: #4ade80; }
.tp-down { color: #60a5fa; }
.tp-pause {
  color: var(--text3);
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  padding: 0 6px;
}
.oral-legend {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.ol-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.ol-sym {
  flex: 0 0 96px;
  text-align: center;
  font-size: 1.05rem;
}
.ol-desc { font-size: 0.82rem; color: var(--text2); line-height: 1.6; }
.ol-desc strong { color: var(--text); }

/* Screenshot */
.screenshot-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.screenshot-img { width: 220px; border-radius: 20px; border: 2px solid rgba(255,255,255,0.1); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.screenshot-caption { font-size: 0.8rem; color: var(--text3); text-align: center; }

/* Mock Screen */
.mock-screen { width: 200px; background: #151520; border: 2px solid rgba(255,255,255,0.08); border-radius: 24px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5); margin: 0 auto; }
.mock-notch { width: 60px; height: 6px; background: var(--bg); border-radius: 0 0 8px 8px; margin: 0 auto; }
.mock-body { padding: 12px; min-height: 280px; }
.mock-logo { text-align: center; font-size: 1rem; font-weight: 700; margin: 20px 0; color: var(--accent); }
.mock-input { padding: 10px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: 8px; font-size: 0.7rem; color: var(--text3); margin-bottom: 12px; }
.mock-btn { padding: 10px; background: var(--gradient); border-radius: 8px; text-align: center; font-size: 0.8rem; font-weight: 600; margin-bottom: 12px; }
.mock-link { text-align: center; font-size: 0.65rem; color: var(--text3); }
.mock-header { padding: 8px; font-size: 0.65rem; color: var(--text3); border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.mock-task-btn { padding: 8px; background: rgba(255,255,255,0.05); border-radius: 8px; font-size: 0.7rem; text-align: center; margin-bottom: 10px; }
.mock-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mc { padding: 10px 6px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; text-align: center; font-size: 1.2rem; }
.mc small { display: block; font-size: 0.5rem; color: var(--text3); margin-top: 4px; }

/* Mock Variants */
.mock-home .mock-body { padding: 8px; }
.mock-upload .mu-title { font-size: 0.75rem; font-weight: 700; margin-bottom: 10px; }
.mu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 10px; }
.mu-slot { padding: 10px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 8px; text-align: center; font-size: 1rem; }
.mu-slot small { font-size: 0.55rem; color: var(--text3); }
.mu-add { display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--text3); border-style: dashed; }
.mu-input { padding: 8px; background: rgba(255,255,255,0.03); border-radius: 6px; font-size: 0.65rem; color: var(--text3); margin-bottom: 6px; }
.mu-btn { padding: 8px; background: var(--gradient); border-radius: 8px; text-align: center; font-size: 0.7rem; font-weight: 600; }

/* DH Mock */
.md-tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.md-tab { flex: 1; text-align: center; padding: 6px; font-size: 0.65rem; border-radius: 6px; background: rgba(255,255,255,0.03); color: var(--text3); }
.md-tab.active { background: var(--gradient); color: white; }
.md-avatars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 12px; }
.md-avatar { width: 36px; height: 36px; background: rgba(255,255,255,0.05); border: 2px solid transparent; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; margin: 0 auto; }
.md-avatar.selected { border-color: var(--accent); }
.md-btn { padding: 8px; background: var(--gradient); border-radius: 8px; text-align: center; font-size: 0.7rem; font-weight: 600; }

/* Task Mock */
.mtk-tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.mtk-tab { padding: 4px 8px; font-size: 0.6rem; border-radius: 100px; background: rgba(255,255,255,0.03); color: var(--text3); }
.mtk-tab.active { background: var(--gradient); color: white; }
.mtk-list { display: flex; flex-direction: column; gap: 6px; }
.mtk-item { padding: 8px; background: rgba(255,255,255,0.02); border-radius: 6px; display: flex; justify-content: space-between; align-items: center; }
.mtk-title { font-size: 0.65rem; }
.mtk-status { font-size: 0.55rem; padding: 2px 6px; border-radius: 4px; }
.mtk-status.done { background: rgba(34,197,94,0.15); color: #22c55e; }
.mtk-status.processing { background: rgba(153,112,243,0.15); color: var(--accent); }

/* Result Mock */
.mr-video { height: 120px; background: linear-gradient(135deg, rgba(153,112,243,0.15), rgba(99,102,241,0.15)); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.mr-play { width: 32px; height: 32px; background: rgba(255,255,255,0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; }
.mr-share { margin-bottom: 10px; }
.mr-label { font-size: 0.6rem; color: var(--text3); margin-bottom: 4px; }
.mr-text { padding: 6px 8px; background: rgba(255,255,255,0.03); border-radius: 6px; font-size: 0.6rem; color: var(--text2); margin-bottom: 4px; }
.mr-copy { font-size: 0.6rem; color: var(--accent); text-align: center; }
.mr-btns { display: flex; gap: 6px; }
.mr-btn { flex: 1; text-align: center; padding: 6px; background: rgba(255,255,255,0.03); border-radius: 6px; font-size: 0.6rem; }

/* Text Mock */
.mt-section { margin-bottom: 12px; }
.mt-label { font-size: 0.65rem; color: var(--text3); margin-bottom: 6px; }
.mt-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.mt-tag { padding: 3px 8px; background: rgba(153,112,243,0.15); border-radius: 4px; font-size: 0.6rem; color: var(--accent2); }
.mt-textarea { padding: 8px; background: rgba(255,255,255,0.03); border-radius: 6px; font-size: 0.6rem; color: var(--text2); min-height: 60px; line-height: 1.5; }
.mt-btn { padding: 8px; background: var(--gradient); border-radius: 8px; text-align: center; font-size: 0.7rem; font-weight: 600; }

/* Compare Demo */
.compare-demo { display: flex; align-items: center; gap: 12px; }
.cd-side { flex: 1; padding: 16px; border-radius: 12px; text-align: center; }
.cd-before { background: rgba(255,255,255,0.03); border: 1px solid var(--border); }
.cd-after { background: rgba(153,112,243,0.05); border: 1px solid rgba(153,112,243,0.2); }
.cd-label { font-size: 0.7rem; font-weight: 700; margin-bottom: 8px; color: var(--text3); }
.cd-after .cd-label { color: var(--accent); }
.cd-frame { font-size: 2rem; margin-bottom: 6px; }
.cd-visual p { font-size: 0.7rem; color: var(--text3); }
.cd-arrow { font-size: 1.2rem; color: var(--text3); }

/* Upload Types */
.upload-types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 20px; }
.ut-item { padding: 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; text-align: center; }
.ut-icon { font-size: 1.4rem; display: block; margin-bottom: 4px; }
.ut-item strong { font-size: 0.75rem; }

/* DH Modes */
.dh-modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dh-mode { padding: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; text-align: center; }
.dh-mode strong { font-size: 0.82rem; display: block; margin-bottom: 4px; }
.dh-mode p { font-size: 0.72rem; color: var(--text3); }

/* News Flow */
.news-flow { margin-bottom: 20px; }
.nf-step { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: 0.85rem; color: var(--text2); }
.nf-step span { width: 22px; height: 22px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.65rem; color: white; font-weight: 700; flex-shrink: 0; }
.nf-arrow { color: var(--text3); font-size: 0.8rem; padding-left: 6px; }

/* Style Chips */
.style-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.sc { padding: 6px 14px; border-radius: 100px; font-size: 0.75rem; font-weight: 600; }
.s1 { background: rgba(59,130,246,0.15); color: #60a5fa; }
.s2 { background: rgba(239,68,68,0.15); color: #f87171; }
.s3 { background: rgba(153,112,243,0.15); color: #c084fc; }
.s4 { background: rgba(251,191,36,0.15); color: #fbbf24; }
.s5 { background: rgba(255,255,255,0.05); color: var(--text3); }

/* News Preview */
.news-preview { padding: 20px; background: linear-gradient(135deg, rgba(239,68,68,0.08), rgba(153,112,243,0.08)); border: 1px solid rgba(153,112,243,0.15); border-radius: 16px; }
.np-header { font-size: 0.8rem; font-weight: 700; color: #f87171; margin-bottom: 12px; }
.np-headline { font-size: 1.1rem; font-weight: 800; margin-bottom: 14px; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.np-keypoints { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.nkp { padding: 4px 10px; background: rgba(153,112,243,0.2); border-radius: 6px; font-size: 0.7rem; font-weight: 600; color: var(--accent2); }
.np-ticker { padding: 6px 10px; background: rgba(0,0,0,0.3); border-radius: 6px; font-size: 0.7rem; color: var(--text3); }

/* Gen Steps */
.gen-steps { display: flex; flex-direction: column; gap: 16px; max-width: 700px; margin: 0 auto; }
.gen-step { display: flex; gap: 16px; padding: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; transition: all 0.3s; }
.gen-step:hover { border-color: var(--border-hover); transform: translateX(4px); }
.gs-num { width: 40px; height: 40px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 800; flex-shrink: 0; }
.gs-content h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.gs-content p { font-size: 0.82rem; color: var(--text2); line-height: 1.5; }

/* Card List */
.card-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.card-item { display: flex; gap: 12px; align-items: flex-start; padding: 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; }
.card-icon { font-size: 1.4rem; flex-shrink: 0; }
.card-item strong { font-size: 0.85rem; display: block; margin-bottom: 2px; }
.card-item p { font-size: 0.75rem; color: var(--text3); }

/* Edit Items */
.edit-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.edit-item { padding: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; }
.edit-item strong { font-size: 0.85rem; display: block; margin-bottom: 4px; }
.edit-item p { font-size: 0.8rem; color: var(--text2); }

/* Result Actions */
.result-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ra-item { display: flex; gap: 10px; align-items: flex-start; padding: 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; }
.ra-icon { font-size: 1.2rem; flex-shrink: 0; }
.ra-item strong { font-size: 0.8rem; display: block; margin-bottom: 2px; }
.ra-item p { font-size: 0.7rem; color: var(--text3); }

/* Voice */
.voice-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 16px; }
.voice-item { padding: 10px 6px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; text-align: center; }
.vi-avatar { display: block; width: 28px; height: 28px; border-radius: 50%; margin: 0 auto 4px; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.vi-avatar.male { background: rgba(59,130,246,0.15); color: #60a5fa; }
.vi-avatar.female { background: rgba(236,72,153,0.15); color: #f472b6; }
.vi-name { font-size: 0.65rem; color: var(--text2); }
.voice-item.more { display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: var(--text3); }
.voice-mode h4 { font-size: 0.9rem; margin-bottom: 12px; }
.vm-item { padding: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; }
.vm-item strong { font-size: 0.85rem; display: block; margin-bottom: 4px; }
.vm-item p { font-size: 0.75rem; color: var(--text3); }

/* Clone Visual */
.clone-visual { display: flex; flex-direction: column; align-items: center; gap: 0; padding: 20px; }
.cv-step { text-align: center; }
.cv-icon { font-size: 2rem; margin-bottom: 4px; }
.cv-label { font-size: 0.75rem; color: var(--text2); }
.cv-line { width: 2px; height: 20px; background: var(--border); }
.cv-wave { display: flex; align-items: center; gap: 3px; height: 30px; margin-top: 16px; }
.cw-bar { width: 3px; background: var(--accent); border-radius: 2px; animation: waveBar 1.2s ease-in-out infinite; }
.cw-bar:nth-child(1) { height: 30%; animation-delay: 0s; }
.cw-bar:nth-child(2) { height: 60%; animation-delay: 0.1s; }
.cw-bar:nth-child(3) { height: 90%; animation-delay: 0.2s; }
.cw-bar:nth-child(4) { height: 50%; animation-delay: 0.3s; }
.cw-bar:nth-child(5) { height: 80%; animation-delay: 0.4s; }
.cw-bar:nth-child(6) { height: 40%; animation-delay: 0.5s; }
.cw-bar:nth-child(7) { height: 70%; animation-delay: 0.6s; }
.cw-bar:nth-child(8) { height: 35%; animation-delay: 0.7s; }
@keyframes waveBar { 0%,100% { transform: scaleY(1); } 50% { transform: scaleY(0.4); } }

/* Tips Grid */
.tips-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tip-card { padding: 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; }
.tc-icon { font-size: 1.6rem; margin-bottom: 10px; }
.tip-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; }
.tip-card ul { display: flex; flex-direction: column; gap: 6px; }
.tip-card li { font-size: 0.8rem; color: var(--text2); padding-left: 14px; position: relative; }
.tip-card li::before { content: '•'; position: absolute; left: 0; color: var(--accent); }

/* Contact */
.qr-section { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-top: 32px; }
.qr-code { width: 200px; height: 200px; object-fit: contain; border-radius: 16px; border: 2px solid var(--border-hover); background: #fff; padding: 8px; }
.qr-hint { font-size: 1rem; color: var(--text2); margin-top: 4px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .content-grid { max-width: 100%; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
  .flow-diagram { flex-direction: column; align-items: center; }
  .flow-arrow { transform: rotate(90deg); padding: 4px 0; }
  .result-actions { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: repeat(3, 1fr); }
  .dh-modes { grid-template-columns: 1fr; }
  .upload-types { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .slide-inner { padding: 60px 20px 90px; }
  .slide-title { font-size: 1.4rem; }
  .value-grid { grid-template-columns: 1fr; }
  .panorama-grid { grid-template-columns: 1fr; }
  .mock-screen { width: 160px; }
  .overview-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}