:root {
  --bg: #060b14;
  --bg-card: rgba(14, 22, 38, 0.88);
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef2f8;
  --muted: #8b95a8;
  --primary: #3b82f6;
  --primary-2: #06b6d4;
  --accent: #22d3ee;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --nav-h: 56px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --mobile-cta-h: 72px;
  --touch-min: 48px;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  padding-bottom: calc(var(--mobile-cta-h) + var(--safe-bottom));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.16), transparent 40%),
    radial-gradient(circle at 85% 5%, rgba(6, 182, 212, 0.1), transparent 35%);
  pointer-events: none;
  z-index: -1;
}

a { color: inherit; text-decoration: none; }

img, video { max-width: 100%; height: auto; }

.container {
  width: min(1120px, calc(100% - 1.25rem));
  margin: 0 auto;
}

.hidden { display: none !important; }

/* ===== 导航 ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: calc(var(--nav-h) + var(--safe-top));
  padding-top: var(--safe-top);
  z-index: 120;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(6, 11, 20, 0.88);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 55vw;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--touch-min);
  height: var(--touch-min);
  border: none;
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-links {
  position: fixed;
  top: calc(var(--nav-h) + var(--safe-top));
  left: 0;
  right: 0;
  background: rgba(8, 13, 24, 0.98);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem calc(0.75rem + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
  z-index: 119;
}

.nav-links.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-links a {
  display: flex;
  align-items: center;
  min-height: var(--touch-min);
  padding: 0 0.85rem;
  border-radius: 12px;
  color: var(--text);
  font-size: 1rem;
}

.nav-links a:not(.btn):active {
  background: rgba(255,255,255,0.06);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 118;
}

.btn-nav { margin-top: 0.35rem; justify-content: center; }

/* 手机快速导航条 */
.mobile-quick-nav {
  position: sticky;
  top: calc(var(--nav-h) + var(--safe-top));
  z-index: 90;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.6rem 0.75rem;
  margin: 0 -0.1rem;
  background: rgba(6, 11, 20, 0.92);
  border-bottom: 1px solid var(--border);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.mobile-quick-nav::-webkit-scrollbar { display: none; }

.mobile-quick-nav a {
  flex: 0 0 auto;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.mobile-quick-nav a:active,
.mobile-quick-nav a.active {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.35);
  color: #dbeafe;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: var(--touch-min);
  padding: 0.75rem 1.25rem;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: transform 0.12s, opacity 0.12s;
  touch-action: manipulation;
}

.btn:active { transform: scale(0.98); opacity: 0.92; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.32);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  min-height: auto;
  padding: 0.75rem 0 0;
  background: none;
  border: none;
  color: #93c5fd;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: none;
}

.btn-link.hidden { display: none; }

.btn-block-mobile {
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  padding: calc(var(--nav-h) + var(--safe-top) + 3.5rem) 0 1.5rem;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.order-1 { order: 1; }
.order-2 { order: 2; }

.eyebrow {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.14);
  color: var(--accent);
  font-size: 0.78rem;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(1.65rem, 7vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.hero .lead {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.hero-tip {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 12px;
  padding: 0.65rem 0.85rem;
  margin-bottom: 1rem;
}

.hero-tip.hidden { display: none; }

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  box-shadow: var(--shadow);
}

.preview-shell {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #0b1220;
  position: relative;
}

.preview-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  font-size: 0.72rem;
  color: #b7f9ff;
}

/* 亮点横向滑动 */
.stats-scroll-wrap {
  margin-top: 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
}

.stats-scroll-wrap::-webkit-scrollbar { display: none; }

.stats {
  display: flex;
  gap: 0.75rem;
  width: max-content;
  min-width: 100%;
  padding: 0 0.1rem;
}

.stat-card {
  flex: 0 0 calc(50vw - 1.5rem);
  max-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem;
}

.stat-card strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.stat-card div {
  font-size: 0.88rem;
  margin-bottom: 0.15rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

/* ===== 区块 ===== */
.section {
  padding: 2.25rem 0;
}

.section-live { padding-bottom: 1rem; }

.section-head {
  text-align: left;
  margin-bottom: 1.25rem;
}

.section-head h2 {
  font-size: clamp(1.35rem, 5vw, 1.75rem);
  margin-bottom: 0.35rem;
}

.section-head p {
  color: var(--muted);
  font-size: 0.9rem;
}

/* 手机端：视频区块始终可见，不依赖滚动动画 */
@media (max-width: 959px) {
  #video .reveal,
  #video-container {
    opacity: 1 !important;
    transform: none !important;
  }
}

#video-container.visible {
  opacity: 1;
  transform: none;
}

.video-wrap,
.placeholder-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

video {
  width: 100%;
  display: block;
  background: #000;
  max-height: 56vh;
  object-fit: contain;
}

.video-note {
  padding: 0.65rem 0.85rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--border);
}

.video-poster-card { position: relative; }

.video-play-link {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0b1220;
}

.video-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-poster-fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.3);
  background: linear-gradient(135deg, #0f172a, #1e293b);
}

.video-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  background: rgba(22, 119, 255, 0.92);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  white-space: nowrap;
}

.video-embed .embed-ratio {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-open-extra {
  margin: 0.75rem;
  width: calc(100% - 1.5rem);
}

.placeholder-card {
  min-height: 200px;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.placeholder-card strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.placeholder-card code {
  font-size: 0.78rem;
  word-break: break-all;
}

.grid-2 {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feature-card,
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.feature-card .icon,
.scenario-card .icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.feature-card h3,
.scenario-card h3 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.feature-card p,
.scenario-card p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* 海报横向滑动 / 解读卡片 */
.poster-scroll-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  margin: 0 -0.625rem;
  padding: 0 0.625rem 0.25rem;
}

.poster-scroll-wrap::-webkit-scrollbar { display: none; }

.poster-grid {
  display: flex;
  gap: 0.85rem;
  width: max-content;
}

.poster-card {
  flex: 0 0 min(88vw, 340px);
  scroll-snap-align: center;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.poster-card:active { transform: scale(0.985); }

.poster-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #0b1220;
  overflow: hidden;
}

.poster-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.poster-tag {
  position: absolute;
  top: 0.55rem;
  left: 0.55rem;
  z-index: 1;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.62);
  color: #b7f9ff;
  font-size: 0.72rem;
}

.poster-body {
  padding: 0.85rem 0.9rem 1rem;
}

.poster-body h3 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  line-height: 1.35;
}

.poster-summary {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
  margin-bottom: 0.55rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.poster-action {
  display: inline-block;
  font-size: 0.78rem;
  color: #93c5fd;
}

.poster-item {
  position: relative;
  flex: 0 0 min(85vw, 480px);
  scroll-snap-align: center;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0b1220;
  aspect-ratio: 16 / 10;
}

.poster-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  background: #1a2233;
}

.poster-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.65rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.78));
  font-size: 0.82rem;
}

.poster-placeholder {
  flex: 0 0 min(72vw, 280px);
  scroll-snap-align: center;
  aspect-ratio: 3 / 4;
}

.scroll-hint {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.65rem;
}

.scroll-dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.scroll-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transition: background 0.2s, transform 0.2s;
}

.scroll-dots span.active {
  background: var(--primary);
  transform: scale(1.2);
}

/* CTA */
.tier-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.18);
}

.tier-badge {
  flex: 0 0 auto;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.22);
  color: #dbeafe;
  font-size: 0.72rem;
  white-space: nowrap;
}

#tier-banner-text {
  color: #bfdbfe;
  font-size: 0.84rem;
  line-height: 1.5;
}

.cta-panel {
  background: linear-gradient(160deg, rgba(59,130,246,0.16), rgba(6,182,212,0.1));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cta-panel h2 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.cta-panel p {
  color: var(--muted);
  font-size: 0.9rem;
}

.cta-actions {
  margin-top: 1rem;
}

.wechat-tip {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: #fbbf24;
  line-height: 1.5;
}

.cta-qr {
  text-align: center;
  padding: 1rem;
  background: rgba(0,0,0,0.2);
  border-radius: 14px;
}

.qr-box {
  width: min(160px, 42vw);
  height: min(160px, 42vw);
  margin: 0 auto;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

.qr-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-label {
  margin-top: 0.65rem;
  font-size: 0.92rem;
}

.qr-sub {
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.2rem;
}

/* 预约联系 */
.section-contact {
  padding-bottom: 2rem;
}

.contact-grid {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.contact-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.contact-card:active { transform: scale(0.99); }

.contact-card-static { cursor: default; }

.contact-person-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-person-row .contact-icon {
  margin-bottom: 0;
}

.contact-person-row p {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.contact-icon {
  display: inline-block;
  font-size: 1.35rem;
  margin-bottom: 0.45rem;
}

.contact-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.contact-card p {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.5;
}

.contact-meta {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.contact-services ul {
  margin-top: 0.35rem;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.contact-form-card {
  background: linear-gradient(160deg, rgba(59,130,246,0.1), rgba(6,182,212,0.06));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.15rem;
}

.contact-form-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.contact-form-card > p {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
}

.contact-form label span {
  font-size: 0.82rem;
  color: #cbd5e1;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.contact-form input::placeholder { color: #64748b; }

.contact-form-tip {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

/* 底部 */
.footer {
  padding: 1.5rem 0 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

#footer-contact { margin-top: 0.35rem; line-height: 1.5; }

.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 110;
  padding: 0.65rem 0.85rem calc(0.65rem + var(--safe-bottom));
  background: rgba(6, 11, 20, 0.94);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0.55rem;
}

.mobile-cta .btn {
  width: 100%;
  border-radius: 14px;
  font-size: 0.95rem;
  padding-inline: 0.65rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--mobile-cta-h) + var(--safe-bottom) + 12px);
  transform: translateX(-50%);
  z-index: 200;
  background: rgba(20, 28, 45, 0.96);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  border: 1px solid var(--border);
  white-space: nowrap;
  max-width: calc(100% - 2rem);
  overflow: hidden;
  text-overflow: ellipsis;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 1rem;
  padding-top: calc(1rem + var(--safe-top));
  padding-bottom: calc(1rem + var(--safe-bottom));
}

.lightbox.open { display: flex; }

.lightbox-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 96vw;
  max-height: 88vh;
}

.lightbox img {
  max-width: 96vw;
  max-height: 62vh;
  border-radius: 10px;
  object-fit: contain;
  background: #111;
}

.lightbox-caption {
  width: min(96vw, 640px);
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  text-align: left;
}

.lightbox-caption.hidden { display: none; }

.lightbox-caption strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.lightbox-caption p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.lightbox.loading::after {
  content: "加载高清图…";
  position: absolute;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

.lightbox-close {
  position: absolute;
  top: calc(0.75rem + var(--safe-top));
  right: 0.75rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible,
.reveal-above-fold.visible { opacity: 1; transform: none; }

.reveal-above-fold { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ===== 平板 ===== */
@media (min-width: 640px) {
  .container { width: min(1120px, calc(100% - 2rem)); }

  .stats { display: grid; grid-template-columns: repeat(2, 1fr); width: 100%; }
  .stat-card { flex: unset; max-width: unset; }

  .poster-grid { display: grid; grid-template-columns: repeat(2, 1fr); width: 100%; gap: 1rem; }
  .poster-card, .poster-item, .poster-placeholder { flex: unset; }
  .poster-scroll-wrap { overflow: visible; margin: 0; padding: 0; scroll-snap-type: none; }
  .scroll-hint, .scroll-dots { display: none; }

  .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

  .contact-grid { grid-template-columns: repeat(2, 1fr); }

  .section-head { text-align: center; }
  .hero-actions { flex-direction: row; flex-wrap: wrap; }
  .btn-block-mobile { width: auto; }
}

/* ===== 桌面 ===== */
@media (min-width: 960px) {
  body { padding-bottom: 0; }

  .nav-toggle, .nav-overlay, .mobile-quick-nav, .mobile-cta, .scroll-hint, .scroll-dots {
    display: none !important;
  }

  .nav-links {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    background: transparent;
    border: none;
    padding: 0;
  }

  .nav-links a:not(.btn) {
    min-height: auto;
    padding: 0;
    color: var(--muted);
    font-size: 0.92rem;
  }

  .nav-links a:not(.btn):hover { color: var(--text); }
  .btn-nav { margin-top: 0; }

  .hero {
    padding: calc(var(--nav-h) + var(--safe-top) + 4rem) 0 3rem;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 2.5rem;
    align-items: center;
  }

  .order-1 { order: 2; }
  .order-2 { order: 1; }

  .hero .lead { font-size: 1.05rem; max-width: 34rem; }

  .stats-scroll-wrap { overflow: visible; }
  .stats { grid-template-columns: repeat(4, 1fr); }

  .section { padding: 4rem 0; }

  .poster-grid { grid-template-columns: repeat(3, 1fr); }

  .cta-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 2rem;
  }

  .contact-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-form-card {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 1.25rem;
    align-items: start;
    padding: 1.5rem;
  }

  .contact-form-card h3,
  .contact-form-card > p {
    grid-column: 1;
  }

  .contact-form {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .contact-form-tip {
    grid-column: 1;
  }

  .footer { text-align: left; padding-bottom: 2rem; }
}