/* BilzatOS 国际平台升级 — 首页/Playground/信任/漏斗 */

.pf-section { margin: 48px 0; padding: 0; }
.pf-kicker { font-size: 11px; font-weight: 800; letter-spacing: 0.14em; color: #c9a227; margin-bottom: 8px; }
.pf-title { font-size: clamp(22px, 3vw, 30px); font-weight: 800; margin: 0 0 10px; color: #f5f0e6; }
.pf-sub { color: #a89f8c; font-size: 14px; margin: 0 0 20px; max-width: 640px; }

/* 首页浅色底：标题/说明（playground 等页仍用暗色组件时保留） */
#platform-home-root .pf-kicker { color: var(--accent, #ff6a1a); }
#platform-home-root .pf-title { color: var(--ink, #111111); }
#platform-home-root .pf-sub { color: var(--muted, #6b7280); }
#platform-home-root .pf-sub b { color: var(--accent, #ff6a1a); }
.pf-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.pf-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.pf-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 1100px) { .pf-grid-5 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .pf-grid-4, .pf-grid-5, .pf-grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pf-grid-4, .pf-grid-5, .pf-grid-3 { grid-template-columns: 1fr; } }
.pf-metric-card { background: linear-gradient(145deg, #1a1814, #12100d); border: 1px solid #2e2a22; border-radius: 14px; padding: 18px 16px; }
.pf-metric-card b { display: block; font-size: 26px; font-weight: 800; color: #7dffe1; line-height: 1.1; }
.pf-metric-card span { display: block; margin-top: 6px; font-size: 12px; color: #9a9280; }
.pf-compare { background: #12100d; border: 1px solid #2e2a22; border-radius: 16px; padding: 20px; margin-top: 16px; }
.pf-compare-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.pf-compare-label { width: 110px; font-size: 12px; color: #a89f8c; flex-shrink: 0; }
.pf-bar-wrap { flex: 1; height: 28px; background: #1f1c17; border-radius: 8px; overflow: hidden; }
.pf-bar { height: 100%; border-radius: 8px; display: flex; align-items: center; padding: 0 10px; font-size: 12px; font-weight: 700; color: #0d0c0a; min-width: 48px; transition: width 0.6s ease; }
.pf-bar.bilzatos { background: linear-gradient(90deg, #7dffe1, #3dd4c0); }
.pf-bar.brand { background: linear-gradient(90deg, #ff8c2a, #ff6a1a); color: #fff; }
.pf-bar.ok { background: linear-gradient(90deg, #34d399, #22c55e); color: #fff; }
.pf-bar.muted { background: #5a5548; color: #e8e2d4; }
.pf-bar.sprint { background: linear-gradient(90deg, #4ade80, #16a34a); color: #fff; }
.pf-bar.industry { background: #5a5548; color: #e8e2d4; }
.pf-bar.target { background: linear-gradient(90deg, #c9a227, #e8c547); }
.pf-compare-foot { margin: 12px 0 0; font-size: 12px; color: #9a9280; line-height: 1.5; }
.pf-progress-wrap { margin: 16px 0; }
.pf-progress-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 8px; color: #d4cbb8; }
.pf-progress-track { height: 12px; background: #1f1c17; border-radius: 999px; overflow: hidden; }
.pf-progress-fill { height: 100%; background: linear-gradient(90deg, #c9a227, #7dffe1); border-radius: 999px; transition: width 0.8s ease; }
.pf-roadmap { display: flex; flex-direction: column; gap: 10px; }
.pf-road-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; background: #12100d; border: 1px solid #2a2620; border-radius: 12px; }
.pf-road-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.pf-road-dot.done { background: #22c55e; }
.pf-road-dot.active { background: #c9a227; box-shadow: 0 0 0 3px rgba(201,162,39,.25); }
.pf-road-dot.next { background: #4b5563; }
.pf-road-body b { display: block; font-size: 14px; color: #f0ebe0; }
.pf-road-body span { font-size: 12px; color: #9a9280; }
.pf-playground { background: #0f0e0c; border: 1px solid #3a352c; border-radius: 16px; overflow: hidden; }
.pf-play-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: #1a1814; border-bottom: 1px solid #2e2a22; flex-wrap: wrap; gap: 8px; }
.pf-play-badge { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: rgba(125,255,225,.12); color: #7dffe1; border: 1px solid rgba(125,255,225,.3); }
.pf-play-body { padding: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 768px) { .pf-play-body { grid-template-columns: 1fr; } }
.pf-play-body textarea { width: 100%; min-height: 120px; background: #12100d; border: 1px solid #2e2a22; border-radius: 10px; color: #f5f0e6; padding: 12px; font-family: inherit; font-size: 14px; resize: vertical; box-sizing: border-box; }
.pf-play-body textarea::placeholder { color: #a89f8c; opacity: 1; }
.pf-play-out { min-height: 120px; background: #12100d; border: 1px solid #2e2a22; border-radius: 10px; padding: 12px; font-size: 13px; color: #ddd6c8; white-space: pre-wrap; word-break: break-word; }
.pf-play-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pf-play-actions .btn { font-size: 13px; padding: 8px 14px; }
.pf-play-kpi { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; font-size: 12px; color: #9a9280; }
.pf-play-kpi b { color: #7dffe1; }
.pf-arch { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; text-align: center; font-size: 11px; color: #a89f8c; }
@media (max-width: 700px) { .pf-arch { grid-template-columns: 1fr; } .pf-arch-arrow { display: none; } }
.pf-arch-box { background: #12100d; border: 1px solid #2e2a22; border-radius: 10px; padding: 14px 8px; }
.pf-arch-box strong { display: block; color: #f0ebe0; font-size: 13px; margin-bottom: 4px; }
.pf-arch-arrow { display: flex; align-items: center; justify-content: center; color: #c9a227; font-size: 18px; }
.pf-trust-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.pf-trust-badge { font-size: 12px; font-weight: 700; padding: 8px 14px; border-radius: 10px; background: #1a1814; border: 1px solid #3a352c; color: #d4cbb8; }
.pf-trust-badge.accent { border-color: #c9a227; color: #e8c547; }
.pf-funnel { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pf-funnel-step { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: #12100d; border: 1px solid #2e2a22; border-radius: 12px; text-decoration: none; color: #e8e2d4; font-size: 13px; font-weight: 600; }
.pf-funnel-step:hover { border-color: #c9a227; color: #fff; }
.pf-funnel-step em { font-style: normal; width: 22px; height: 22px; border-radius: 50%; background: #c9a227; color: #0d0c0a; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; }
.pf-funnel-arrow { color: #5a5548; font-size: 18px; }
.pf-security-strip { background: linear-gradient(90deg, rgba(34,197,94,.08), rgba(125,255,225,.06)); border: 1px solid rgba(34,197,94,.2); border-radius: 12px; padding: 14px 18px; font-size: 13px; color: #b8d4c8; display: flex; flex-wrap: wrap; gap: 16px; }
.pf-lang-toggle { font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: 8px; border: 1px solid #3a352c; background: transparent; color: #d4cbb8; cursor: pointer; }
.pf-lang-toggle:hover { border-color: #c9a227; color: #fff; }
.pf-split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 900px) { .pf-split-2 { grid-template-columns: 1fr; } }
.pf-zh-block { display: block; }
.pf-en-block { display: none; }
html[lang="en"] .pf-zh-block { display: none; }
html[lang="en"] .pf-en-block { display: block; }