/* R02 style.css · 动画时间轴 5 组 ★R66 */
:root {
  --c-primary: #2563EB; --c-accent: #06B6D4; --c-bg: #F8FAFC;
  --c-surface: #FFFFFF; --c-text: #0F172A; --c-muted: #64748B; --c-border: #E2E8F0;
  --footer-h: 88px;
  font-family: "PingFang SC", "Helvetica Neue", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--c-bg); color: var(--c-text); line-height: 1.55; padding-bottom: calc(var(--footer-h) + env(safe-area-inset-bottom, 0px) + 16px); }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

@keyframes heroFade { from { opacity: 0; transform: scale(1.02); } to { opacity: 1; transform: scale(1); } }
@keyframes statUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes workIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes compareIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
@keyframes ctaPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0.2); } 50% { box-shadow: 0 0 0 12px rgba(37,99,235,0); } }
.anim-hero { animation: heroFade 700ms cubic-bezier(0.22,1,0.36,1) both; }
.anim-stat { animation: statUp 500ms ease-out both; }
.anim-work { animation: workIn 500ms cubic-bezier(0.22,1,0.36,1) both; }
.anim-compare { animation: compareIn 400ms ease-out both; }
.anim-cta { animation: ctaPulse 1500ms ease-in-out infinite; border-radius: 16px; }

.site-header {
  position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: rgba(255,255,255,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--c-border);
}
.site-header__logo { font-weight: 700; color: var(--c-text); text-decoration: none; }
.site-header__actions { display: flex; gap: 8px; align-items: center; }
.section--compact { padding: 12px 0; }
.muted { color: var(--c-muted); font-size: 0.9rem; }
.hidden { display: none !important; }

.lang-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.lang-chip { font-size: 0.78rem; padding: 6px 12px; border-radius: 999px; background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-muted); }

.dim-head { margin: 0 0 10px; font-size: 0.85rem; color: var(--c-muted); text-align: center; }
.dim-grid { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.dim-chip { font-size: 0.75rem; padding: 5px 10px; border-radius: 8px; background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-muted); }
.dim-chip--exclusive { border-color: var(--c-primary); color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 8%, var(--c-surface)); font-weight: 600; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip { border: 1px solid var(--c-border); background: var(--c-surface); border-radius: 999px; padding: 6px 14px; font-size: 0.82rem; color: var(--c-muted); }
.chip--active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

.compare-slider { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--c-border); aspect-ratio: 16/9; max-width: 640px; margin: 0 auto; user-select: none; }
.compare-slider__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.compare-slider__img--before { position: relative; z-index: 1; }
.compare-slider__after-wrap { position: absolute; top: 0; left: 0; height: 100%; overflow: hidden; z-index: 2; width: 50%; border-right: 2px solid #fff; box-shadow: 2px 0 8px rgba(0,0,0,0.15); }
.compare-slider__img--after { height: 100%; object-fit: cover; max-width: none; }
.compare-slider__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 3; }
.compare-slider__labels { position: absolute; bottom: 10px; left: 0; right: 0; display: flex; justify-content: space-between; padding: 0 16px; z-index: 4; pointer-events: none; }
.compare-slider__labels span { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,0.5); background: rgba(0,0,0,0.35); padding: 2px 8px; border-radius: 4px; }

.modal { position: fixed; inset: 0; z-index: 500; display: flex; align-items: flex-end; justify-content: center; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(15,23,42,0.5); }
.modal__sheet { position: relative; z-index: 1; width: 100%; max-width: 480px; max-height: 85vh; overflow-y: auto; background: var(--c-surface); border-radius: 16px 16px 0 0; padding: 20px 16px calc(20px + env(safe-area-inset-bottom)); }
@media (min-width: 640px) { .modal { align-items: center; } .modal__sheet { border-radius: 16px; margin: 16px; } }
.modal__close { position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; border: none; background: var(--c-bg); border-radius: 50%; font-size: 1.2rem; line-height: 1; color: var(--c-muted); }
.modal__sheet h3 { margin: 0 0 12px; padding-right: 36px; font-size: 1.1rem; }
.modal__preview { position: relative; border-radius: 12px; overflow: hidden; background: var(--c-border); margin-bottom: 10px; }
.modal__preview img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.modal__preview .modal__play { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); }
.modal__hint { margin: 0; font-size: 0.85rem; color: var(--c-muted); text-align: center; }

.page-main { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.section { padding: 24px 0; border-bottom: 1px solid var(--c-border); }
.section-title { margin: 0 0 16px; font-size: 1.2rem; }

.hero-wrap { margin-top: 8px; border-radius: 16px; overflow: hidden; position: relative; min-height: 280px; }
.hero__bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); opacity: 0.15; }
.hero__inner { position: relative; padding: 32px 20px; text-align: center; }
.hero__avatar { width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 12px; border: 3px solid var(--c-surface); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.hero__role { margin: 0; font-size: 0.85rem; color: var(--c-muted); }
.hero__name { margin: 4px 0; font-size: 1.6rem; }
.hero__tagline { margin: 0 0 12px; color: var(--c-muted); }
.hero__badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.badge { font-size: 0.75rem; padding: 4px 10px; border-radius: 999px; background: var(--c-surface); border: 1px solid var(--c-border); }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 14px; text-align: center; }
.stat-card__num { font-size: 1.5rem; font-weight: 700; color: var(--c-primary); }
.stat-card__suffix { font-size: 0.85rem; color: var(--c-primary); margin-left: 2px; }
.stat-card__label { display: block; font-size: 0.78rem; color: var(--c-muted); margin-top: 4px; }

.scene-switcher { display: flex; gap: 8px; flex-wrap: wrap; }
.scene-chip { border: 1px solid var(--c-border); background: var(--c-surface); border-radius: 999px; padding: 8px 14px; font-size: 0.85rem; }
.scene-chip--active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 768px) { .works-grid { grid-template-columns: repeat(3, 1fr); } }
.work-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; }
.work-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,0.08); }
.work-card__thumb { position: relative; aspect-ratio: 16/9; background: var(--c-border); }
.work-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.work-card__tag { position: absolute; top: 8px; left: 8px; background: #dc2626; color: #fff; font-size: 0.7rem; padding: 2px 8px; border-radius: 4px; }
.work-card__play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.work-card__body { padding: 10px; }
.work-card__body h3 { margin: 0 0 4px; font-size: 0.95rem; }
.work-card__body p { margin: 0; font-size: 0.78rem; color: var(--c-muted); }

.compare-box { display: flex; align-items: stretch; gap: 8px; }
.compare-col { flex: 1; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 16px; text-align: center; }
.compare-col span { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--c-muted); }
.compare-col--after { border-color: var(--c-primary); }
.compare-arrow { display: flex; align-items: center; font-size: 1.5rem; color: var(--c-primary); }
.compare-metric { text-align: center; font-weight: 600; color: var(--c-primary); margin-top: 12px; }

.testimonial-list { display: grid; gap: 12px; }
@media (min-width: 640px) { .testimonial-list { grid-template-columns: repeat(2, 1fr); } }
.testimonial-card { margin: 0; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 16px; }
.testimonial-card p { margin: 0 0 10px; font-style: italic; }
.testimonial-card footer { font-size: 0.85rem; color: var(--c-muted); }

.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 640px) { .cap-grid { grid-template-columns: repeat(4, 1fr); } }
.cap-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 14px; text-align: center; }
.cap-card__icon { font-size: 1.5rem; display: block; margin-bottom: 6px; }
.cap-card h3 { margin: 0 0 4px; font-size: 0.9rem; }
.cap-card p { margin: 0; font-size: 0.78rem; color: var(--c-muted); }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline__item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--c-border); }
.timeline__step { width: 28px; height: 28px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; font-weight: 700; flex-shrink: 0; }
.timeline__item p { margin: 4px 0 0; font-size: 0.85rem; color: var(--c-muted); }

.pkg-grid { display: grid; gap: 12px; }
@media (min-width: 640px) { .pkg-grid { grid-template-columns: repeat(3, 1fr); } }
.pkg-card { position: relative; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 20px 16px; }
.pkg-card--hot { border-color: var(--c-primary); box-shadow: 0 0 0 2px rgba(37,99,235,0.15); }
.pkg-card__badge { position: absolute; top: -8px; right: 12px; background: var(--c-primary); color: #fff; font-size: 0.7rem; padding: 2px 8px; border-radius: 4px; }
.pkg-card__price { font-size: 1.2rem; font-weight: 700; color: var(--c-primary); margin: 8px 0; }
.pkg-card ul { margin: 0; padding-left: 18px; font-size: 0.85rem; color: var(--c-muted); }

.demo-box { background: var(--c-surface); border: 1px dashed var(--c-border); border-radius: 12px; padding: 24px; text-align: center; }
.demo-box__avatar { width: 80px; margin: 0 auto 12px; border-radius: 50%; overflow: hidden; }

.faq-item { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 10px; padding: 12px 14px; margin-bottom: 8px; }
.faq-item summary { font-weight: 600; cursor: pointer; }
.faq-item p { margin: 8px 0 0; font-size: 0.9rem; color: var(--c-muted); }

.partner-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.partner-chip { padding: 8px 14px; border-radius: 8px; background: var(--c-surface); border: 1px solid var(--c-border); font-size: 0.85rem; }

.analytics-bar { height: 28px; background: var(--c-border); border-radius: 6px; margin-bottom: 8px; overflow: hidden; }
.analytics-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--c-primary), var(--c-accent)); color: #fff; font-size: 0.75rem; line-height: 28px; padding-left: 10px; white-space: nowrap; }

.cta-box { background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); color: #fff; border-radius: 16px; padding: 28px 20px; text-align: center; }
.cta-box h2 { margin: 0 0 8px; }
.cta-box p { margin: 0 0 16px; opacity: 0.9; }

.btn { display: inline-flex; align-items: center; justify-content: center; border: none; border-radius: 10px; padding: 10px 18px; font-weight: 600; text-decoration: none; }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--ghost { background: transparent; border: 1px solid var(--c-border); color: var(--c-text); }
.btn--sm { padding: 6px 12px; font-size: 0.85rem; }
.btn--lg { padding: 14px 28px; font-size: 1rem; }
.cta-box .btn--primary { background: #fff; color: var(--c-primary); }

.toast { position: fixed; left: 50%; bottom: calc(var(--footer-h) + 20px); transform: translateX(-50%); z-index: 2000; padding: 10px 16px; background: #0f172a; color: #fff; border-radius: 10px; font-size: 0.9rem; }
.toast[hidden] { display: none; }

.contact-footer { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; background: #fff; border-top: 1px solid var(--c-border); padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); }
.contact-footer__btns { display: flex; gap: 8px; }
.contact-footer__cta { flex: 1; text-align: center; padding: 10px; border-radius: 10px; background: #c41e1e; color: #fff !important; font-weight: 600; text-decoration: none; }
.contact-footer__btn { flex: 1; text-align: center; padding: 10px; border-radius: 10px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); text-decoration: none; }
.contact-footer__brand { margin: 8px 0 0; font-size: 0.7rem; color: var(--c-muted); text-align: center; }

[data-theme="dark"] .site-header, [data-theme="dark"] .contact-footer { background: var(--c-surface); }