:root {
  --bg: #fff8f1;
  --bg-soft: #ffe8d5;
  --ink: #2b1f18;
  --muted: #7b6252;
  --line: rgba(102, 73, 51, 0.16);
  --card: rgba(255, 255, 255, 0.86);
  --brand: #f58a53;
  --brand-strong: #de5f2b;
  --accent: #f8be69;
  --ok: #2f8b57;
  --warn: #cc7a2d;
  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-1: 0 20px 48px rgba(132, 72, 36, 0.16);
  --shadow-2: 0 10px 28px rgba(132, 72, 36, 0.12);
  --maxw: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: "Avenir Next", "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(840px 340px at -4% -8%, rgba(245, 138, 83, 0.2), transparent 68%),
    radial-gradient(640px 360px at 106% -10%, rgba(248, 190, 105, 0.24), transparent 66%),
    linear-gradient(155deg, var(--bg) 0%, var(--bg-soft) 54%, #fff3e7 100%);
  line-height: 1.62;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
  z-index: -1;
}

a {
  color: inherit;
}

.container {
  width: min(94vw, var(--maxw));
  margin: 0 auto;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(255, 250, 245, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.2px;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 10px 22px rgba(245, 138, 83, 0.34);
}

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: #4a3528;
  border-radius: 999px;
  padding: 8px 12px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(245, 138, 83, 0.15);
  border-color: rgba(245, 138, 83, 0.24);
  color: #5c331d;
}

.hero {
  padding: 46px 0 26px;
}

.hero-compact {
  padding-top: 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
  align-items: center;
}

.hero-grid-official {
  grid-template-columns: 1fr 1fr;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  color: #6a3f28;
  border: 1px solid rgba(245, 138, 83, 0.36);
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.74);
  margin-bottom: 14px;
}

h1 {
  font-size: clamp(34px, 5.8vw, 60px);
  line-height: 1.06;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.lead {
  color: var(--muted);
  font-size: clamp(16px, 2.1vw, 20px);
  max-width: 640px;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 12px 18px;
  transition: all 0.25s ease;
}

.btn-main {
  color: #fff;
  background: linear-gradient(130deg, var(--brand), var(--brand-strong));
  box-shadow: 0 12px 26px rgba(222, 95, 43, 0.34);
}

.btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(222, 95, 43, 0.42);
}

.btn-lite {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(102, 73, 51, 0.2);
  color: #3d2a1e;
}

.hero-panel {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(255, 249, 242, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  padding: 14px;
  box-shadow: var(--shadow-1);
}

.hero-panel-lite h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.hero-panel-lite .hero-shot {
  width: auto;
  height: 260px;
  max-width: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  margin: 0 auto 10px;
  border-radius: 12px;
  border: 1px solid rgba(225, 178, 140, 0.42);
}

.home-page .hero-grid-official {
  grid-template-columns: 1.06fr 0.94fr;
  align-items: flex-start;
}

.home-page .hero-panel-lite {
  padding: 20px 18px 16px;
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(250, 246, 241, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.98);
  box-shadow:
    0 26px 56px rgba(117, 72, 42, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.home-page .hero-copy {
  position: relative;
  overflow: hidden;
  min-height: 0;
  border-radius: 28px;
  padding: 24px 26px 20px;
  background:
    radial-gradient(120% 85% at 6% 8%, rgba(249, 197, 164, 0.26), transparent 62%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.72), rgba(255, 245, 236, 0.64));
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow:
    0 22px 50px rgba(122, 75, 44, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(3px);
}

.home-page .hero-copy::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 999px;
  top: -170px;
  right: -120px;
  background: radial-gradient(circle, rgba(245, 141, 89, 0.2), rgba(245, 141, 89, 0));
  pointer-events: none;
}

.home-page .hero-main-title {
  margin-top: 10px;
  max-width: 17ch;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.home-page .hero-main-lead {
  max-width: 640px;
  margin-top: 14px;
  color: #6f5849;
}

.home-page .hero-trust {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.home-page .hero-trust span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #6f422b;
  border-radius: 999px;
  border: 1px solid rgba(245, 138, 83, 0.26);
  background: rgba(255, 255, 255, 0.74);
  padding: 6px 11px;
}

.home-page .hero-media-stage {
  --mx: 0;
  --my: 0;
  --scroll: 0;
  position: relative;
  min-height: 420px;
  border-radius: 24px;
  background:
    radial-gradient(120% 90% at 14% 8%, rgba(247, 207, 180, 0.46), transparent 56%),
    radial-gradient(120% 90% at 86% 92%, rgba(227, 214, 198, 0.42), transparent 60%),
    linear-gradient(155deg, #f8f8f9 0%, #ececef 100%);
  border: 1px solid rgba(255, 255, 255, 0.92);
  overflow: hidden;
  display: grid;
  place-items: center;
  perspective: 1200px;
}

.home-page .hero-media-orb {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(1px);
}

.home-page .hero-media-orb.orb-a {
  width: 180px;
  height: 180px;
  left: -40px;
  top: -35px;
  background: radial-gradient(circle, rgba(246, 167, 120, 0.42), rgba(246, 167, 120, 0));
  transform: translate3d(calc(var(--mx) * -12px), calc(var(--my) * -10px), 0);
  transition: transform 220ms ease;
}

.home-page .hero-media-orb.orb-b {
  width: 240px;
  height: 240px;
  right: -70px;
  bottom: -95px;
  background: radial-gradient(circle, rgba(201, 194, 216, 0.34), rgba(201, 194, 216, 0));
  transform: translate3d(calc(var(--mx) * 14px), calc(var(--my) * 12px), 0);
  transition: transform 220ms ease;
}

.home-page .device-shell {
  position: relative;
  z-index: 2;
  width: 206px;
  border-radius: 34px;
  padding: 9px;
  background: linear-gradient(170deg, #2f2f32 0%, #171719 100%);
  box-shadow:
    0 24px 52px rgba(22, 22, 25, 0.5),
    0 0 0 1px rgba(18, 18, 18, 0.8),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform:
    translate3d(calc(var(--mx) * 10px), calc(var(--my) * 8px + var(--scroll) * -18px), 0)
    rotateX(calc(var(--my) * -3.5deg))
    rotateY(calc(var(--mx) * 4.5deg));
  transition: transform 240ms cubic-bezier(.22, .61, .36, 1);
  will-change: transform;
  animation: homeFloat 7s ease-in-out infinite;
}

.home-page .device-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 34px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 30%);
  pointer-events: none;
}

.home-page .device-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  width: 88px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #101013;
  z-index: 3;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.home-page .hero-panel-lite .hero-shot {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  margin: 0;
  border-radius: 25px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  object-fit: cover;
}

.home-page .device-floor-shadow {
  position: absolute;
  z-index: 1;
  width: 280px;
  height: 62px;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(27, 27, 29, 0.26), rgba(27, 27, 29, 0));
  transition: transform 240ms ease, opacity 240ms ease;
  transform-origin: center;
  opacity: calc(0.7 + (var(--scroll) * 0.25));
}

.home-page .hero-panel-kicker {
  margin-top: 12px;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8e7668;
  text-transform: uppercase;
}

@keyframes homeFloat {
  0% {
    transform:
      translate3d(calc(var(--mx) * 10px), calc(var(--my) * 8px + var(--scroll) * -18px), 0)
      rotateX(calc(var(--my) * -3.5deg))
      rotateY(calc(var(--mx) * 4.5deg));
  }
  50% {
    transform:
      translate3d(calc(var(--mx) * 10px), calc(var(--my) * 8px + var(--scroll) * -18px - 6px), 0)
      rotateX(calc(var(--my) * -3.5deg))
      rotateY(calc(var(--mx) * 4.5deg));
  }
  100% {
    transform:
      translate3d(calc(var(--mx) * 10px), calc(var(--my) * 8px + var(--scroll) * -18px), 0)
      rotateX(calc(var(--my) * -3.5deg))
      rotateY(calc(var(--mx) * 4.5deg));
  }
}

.compact-list {
  gap: 8px;
}

.compact-list li {
  padding: 10px 12px;
  font-size: 13px;
}

.hero-shot {
  width: 100%;
  aspect-ratio: 10 / 16;
  object-fit: cover;
  border-radius: 14px;
  display: block;
}

.kpi {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.kpi .item {
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(225, 178, 140, 0.45);
  padding: 9px;
  text-align: center;
}

.kpi b {
  display: block;
  font-size: 16px;
  color: #603521;
}

.kpi span {
  font-size: 12px;
  color: #8c6a55;
}

.section {
  padding: 34px 0;
}

.section-head {
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.12;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--muted);
  max-width: 760px;
  font-size: 16px;
}

.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.feature-card,
.info-card,
.flow-card,
.screen-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.92);
  background: var(--card);
  box-shadow: var(--shadow-2);
}

.feature-card {
  padding: 16px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  right: -26px;
  top: -26px;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 138, 83, 0.22), transparent 72%);
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
}

.tag {
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  color: #7a4026;
  border-radius: 999px;
  border: 1px solid rgba(245, 138, 83, 0.24);
  background: rgba(245, 138, 83, 0.1);
  padding: 5px 10px;
}

.feature-card:hover {
  transform: translateY(-3px);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.info-card {
  padding: 18px;
}

.info-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.info-card p {
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 14px;
}

.mini-screens {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.screen-card {
  overflow: hidden;
}

.screen-card img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  display: block;
}

.screen-card .cap {
  padding: 8px 10px;
  font-size: 12px;
  color: #6f5547;
  border-top: 1px solid rgba(104, 74, 52, 0.12);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.timeline-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.flow-card {
  padding: 16px;
  position: relative;
}

.flow-card .no {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  background: linear-gradient(130deg, var(--brand), var(--brand-strong));
  margin-bottom: 8px;
}

.flow-card h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.flow-card p {
  font-size: 13px;
  color: var(--muted);
}

.qrcode-wrap {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.94);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 247, 236, 0.94));
  box-shadow: var(--shadow-1);
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}

.qrcode-box {
  width: 240px;
  border-radius: 16px;
  border: 1px solid rgba(237, 184, 146, 0.48);
  background: #fff;
  padding: 12px;
  text-align: center;
}

.qrcode-box img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.qrcode-caption {
  margin-top: 8px;
  font-size: 12px;
  color: #735747;
}

.page-hero-premium .inner {
  background: none;
  border: none;
  box-shadow: none;
  padding: 0;
  gap: 18px;
  align-items: stretch;
}

.premium-hero-grid {
  grid-template-columns: 1.03fr 0.97fr;
}

.page-hero-premium .premium-copy {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 24px 26px 22px;
  background:
    radial-gradient(120% 88% at 6% 8%, rgba(249, 197, 164, 0.25), transparent 60%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.78), rgba(255, 247, 238, 0.72));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow:
    0 22px 48px rgba(122, 75, 44, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(3px);
}

.page-hero-premium .premium-copy::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  top: -160px;
  right: -120px;
  background: radial-gradient(circle, rgba(245, 141, 89, 0.18), rgba(245, 141, 89, 0));
  pointer-events: none;
}

.page-hero-premium .premium-copy h1 {
  margin-top: 10px;
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.page-hero-premium .premium-copy p {
  margin-top: 10px;
  color: #6f5849;
}

.page-hero-premium .hero-trust {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-hero-premium .hero-trust span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #6f422b;
  border-radius: 999px;
  border: 1px solid rgba(245, 138, 83, 0.26);
  background: rgba(255, 255, 255, 0.74);
  padding: 6px 11px;
}

.page-hero-premium .premium-panel {
  border-radius: 28px;
  padding: 18px 16px 16px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(250, 246, 241, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.98);
  box-shadow:
    0 26px 56px rgba(117, 72, 42, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.page-hero-premium .premium-stage {
  position: relative;
  min-height: 380px;
  border-radius: 24px;
  background:
    radial-gradient(120% 90% at 14% 8%, rgba(247, 207, 180, 0.46), transparent 56%),
    radial-gradient(120% 90% at 86% 92%, rgba(227, 214, 198, 0.42), transparent 60%),
    linear-gradient(155deg, #f8f8f9 0%, #ececef 100%);
  border: 1px solid rgba(255, 255, 255, 0.92);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.page-hero-premium .premium-orb {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.page-hero-premium .premium-orb.orb-a {
  width: 170px;
  height: 170px;
  left: -30px;
  top: -30px;
  background: radial-gradient(circle, rgba(246, 167, 120, 0.38), rgba(246, 167, 120, 0));
}

.page-hero-premium .premium-orb.orb-b {
  width: 220px;
  height: 220px;
  right: -64px;
  bottom: -90px;
  background: radial-gradient(circle, rgba(201, 194, 216, 0.3), rgba(201, 194, 216, 0));
}

.page-hero-premium .premium-device {
  position: relative;
  z-index: 2;
  width: 198px;
  border-radius: 34px;
  padding: 9px;
  background: linear-gradient(170deg, #2f2f32 0%, #171719 100%);
  box-shadow:
    0 24px 52px rgba(22, 22, 25, 0.5),
    0 0 0 1px rgba(18, 18, 18, 0.8),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.page-hero-premium .premium-device::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 34px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 30%);
  pointer-events: none;
}

.page-hero-premium .premium-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  width: 86px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #101013;
  z-index: 3;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.page-hero-premium .premium-device .hero-shot {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  aspect-ratio: auto;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  object-fit: cover;
}

.page-hero-premium .premium-panel h3 {
  font-size: 20px;
  margin-top: 8px;
  margin-bottom: 8px;
}

.page-hero-premium .premium-panel-text-only {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-hero-premium .hero-panel-kicker {
  margin-top: 12px;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8e7668;
  text-transform: uppercase;
}

.page-hero {
  padding: 36px 0 20px;
}

.tutorial-hero .inner {
  align-items: stretch;
}

.page-hero .inner {
  border-radius: var(--radius-xl);
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.88), rgba(255, 241, 230, 0.78));
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-1);
  padding: 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: center;
}

.page-hero h1 {
  font-size: clamp(28px, 4.8vw, 48px);
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--muted);
  font-size: 16px;
}

.page-hero img {
  width: 100%;
  border-radius: 14px;
  aspect-ratio: 10 / 16;
  object-fit: cover;
}

.list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.list li {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(105, 75, 52, 0.14);
  background: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  color: #5f4839;
}

.tutorial-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  align-items: start;
}

.toc-card {
  position: sticky;
  top: 90px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-2);
  padding: 16px;
}

.toc-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.toc-card ol {
  margin-left: 18px;
  display: grid;
  gap: 8px;
}

.toc-card a {
  text-decoration: none;
  color: #6b422b;
  font-weight: 700;
  font-size: 14px;
}

.toc-card a:hover {
  color: #c35e2d;
}

.manual-content {
  display: grid;
  gap: 14px;
}

.manual-section {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-2);
  padding: 18px;
}

.manual-section h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.manual-section h3 {
  font-size: 17px;
  margin-top: 12px;
  margin-bottom: 6px;
}

.step-list {
  margin-left: 20px;
  display: grid;
  gap: 8px;
}

.step-list li {
  font-size: 14px;
  color: #5e4435;
}

.plain-list {
  margin-left: 18px;
  display: grid;
  gap: 8px;
}

.plain-list li {
  font-size: 14px;
  color: #5e4435;
}

.tip-box {
  margin-top: 12px;
  border-radius: 12px;
  border: 1px solid rgba(248, 184, 97, 0.42);
  background: linear-gradient(145deg, #fff6ea, #fff0dd);
  color: #724629;
  font-size: 14px;
  padding: 10px 12px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid rgba(104, 74, 52, 0.14);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  background: rgba(255, 255, 255, 0.84);
}

.table-wrap th,
.table-wrap td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(104, 74, 52, 0.12);
  font-size: 14px;
}

.table-wrap th {
  background: rgba(245, 138, 83, 0.12);
  color: #6f4028;
  font-weight: 800;
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric-box {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-2);
  padding: 14px;
}

.metric-box b {
  display: block;
  font-size: 26px;
  line-height: 1.1;
  color: #5f341f;
}

.metric-box span {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: #87695a;
}

.rule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.rule-card {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-2);
  padding: 16px;
}

.rule-card h4 {
  font-size: 18px;
  margin-bottom: 8px;
}

.rule-card p {
  color: var(--muted);
  font-size: 14px;
}

.shot-map {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 14px;
  align-items: stretch;
}

.shot-map .shot {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-2);
  background: #fff;
}

.shot-map .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.shot-map .detail {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-2);
  padding: 16px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chip-row span {
  font-size: 12px;
  font-weight: 800;
  color: #72422a;
  border-radius: 999px;
  border: 1px solid rgba(245, 138, 83, 0.24);
  background: rgba(245, 138, 83, 0.1);
  padding: 5px 10px;
}

.screen-placeholder {
  width: 100%;
  aspect-ratio: 10 / 16;
  border-radius: 14px;
  border: 1px dashed rgba(245, 138, 83, 0.45);
  background: linear-gradient(135deg, rgba(255, 245, 236, 0.9), rgba(255, 238, 223, 0.78));
  color: #b37654;
  font-size: 14px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.foot {
  padding: 26px 0 34px;
  color: #805f4e;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(111, 83, 69, 0.12);
  margin-top: 28px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .14s; }

@media (max-width: 1080px) {
  .hero-grid,
  .grid-2,
  .page-hero .inner {
    grid-template-columns: 1fr;
  }

  .page-hero-premium .inner {
    gap: 14px;
  }

  .page-hero-premium .premium-stage {
    min-height: 340px;
  }

  .cards-4,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .metric-band {
    grid-template-columns: 1fr 1fr;
  }

  .shot-map {
    grid-template-columns: 1fr;
  }

  .tutorial-layout {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
    top: auto;
  }

  .qrcode-wrap {
    grid-template-columns: 1fr;
  }

  .home-page .hero-media-stage {
    min-height: 360px;
  }

  .home-page .hero-copy {
    min-height: auto;
    padding: 20px 20px 18px;
  }

  .home-page .device-shell {
    width: 188px;
    animation-duration: 8s;
  }

  .page-hero-premium .premium-device {
    width: 184px;
  }
}

@media (max-width: 720px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand {
    font-size: 17px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .nav-links a {
    white-space: nowrap;
  }

  h1 {
    font-size: clamp(30px, 9vw, 46px);
  }

  .cards-4,
  .timeline,
  .mini-screens,
  .metric-band,
  .rule-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .section {
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .qrcode-box {
    width: 100%;
    max-width: 260px;
  }

  .hero-panel-lite .hero-shot {
    height: 210px;
  }

  .home-page .hero-media-stage {
    min-height: 320px;
    perspective: none;
  }

  .home-page .hero-copy {
    padding: 16px 16px 14px;
    border-radius: 22px;
  }

  .home-page .hero-main-title {
    margin-top: 8px;
    max-width: none;
  }

  .home-page .device-shell {
    width: 170px;
    border-radius: 30px;
    padding: 8px;
    transform: none;
    animation: none;
  }

  .home-page .device-notch {
    width: 74px;
    height: 15px;
    top: 10px;
  }

  .home-page .hero-panel-lite .hero-shot {
    height: auto;
    border-radius: 21px;
  }

  .home-page .device-floor-shadow {
    width: 220px;
    height: 48px;
    bottom: 24px;
  }

  .home-page .hero-copy {
    min-height: auto;
  }

  .page-hero-premium .premium-copy {
    padding: 16px 16px 14px;
    border-radius: 22px;
  }

  .page-hero-premium .premium-stage {
    min-height: 304px;
    border-radius: 20px;
  }

  .page-hero-premium .premium-device {
    width: 166px;
    border-radius: 30px;
    padding: 8px;
  }

  .page-hero-premium .premium-notch {
    width: 74px;
    height: 15px;
    top: 10px;
  }

  .page-hero-premium .premium-device .hero-shot {
    border-radius: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-page .device-shell,
  .home-page .hero-media-orb,
  .home-page .device-floor-shadow {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}