:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #eff6ff;
  --ink: #0f172a;
  --muted: #475569;
  --bg: #f8fafc;
  --card: #ffffff;
  --line: #e2e8f0;
  --teal: #0d9488;
  --orange: #ea580c;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 36px -4px rgba(15, 23, 42, 0.08), 0 6px 12px -4px rgba(15, 23, 42, 0.04);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 2px; }
a:hover { color: var(--blue-dark); }
h1, h2, h3 { line-height: 1.25; text-wrap: balance; }
p, li { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: #fff;
  padding: 8px 12px;
  z-index: 40;
}
.skip:focus { left: 8px; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}
.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(27, 107, 255, 0.25);
}
.brand strong { display: block; font-size: 16px; }
.brand small { display: block; color: var(--muted); font-size: 12px; }

.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-burger {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
}
.nav-burger span {
  width: 16px;
  height: 2px;
  background: var(--ink);
  box-shadow: 0 5px 0 var(--ink), 0 -5px 0 var(--ink);
}

.nav { display: flex; flex-wrap: wrap; gap: 6px 4px; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}
.nav a:hover,
.nav a.is-current {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.hero {
  background:
    radial-gradient(circle at 12% 20%, #d7e7ff 0, transparent 28%),
    radial-gradient(circle at 88% 10%, #ffe7dc 0, transparent 24%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  padding: 56px 0 36px;
}
.hero-center {
  padding: 48px 0 8px;
  text-align: center;
  background:
    radial-gradient(circle at 12% 20%, #d7e7ff 0, transparent 28%),
    radial-gradient(circle at 88% 10%, #ffe7dc 0, transparent 24%),
    #fff;
}
.hero-inner {
  max-width: 680px;
  margin: 0 auto;
}
.hero-center .kicker { margin: 0 auto; }
.hero-center .actions { justify-content: center; gap: 10px; }
.hero-center .btn { min-height: 46px; padding: 11px 20px; border-radius: 999px; }
.hero-center h1 {
  margin: 16px auto 22px;
  max-width: 15em;
  font-size: clamp(28px, 4.4vw, 42px);
  letter-spacing: -0.035em;
  font-weight: 750;
  line-height: 1.22;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 700;
}
.hero h1 {
  margin: 14px 0 12px;
  font-size: clamp(32px, 5vw, 52px);
}
.lead { font-size: 18px; color: var(--muted); margin: 0 0 16px; }
.hero .hero-copy { margin: 0 0 22px; color: var(--muted); }
.muted { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 650;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.38);
  color: #fff !important;
}
.btn-ghost {
  background: #fff;
  color: var(--ink) !important;
  border-color: var(--line);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.btn-ghost:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  transform: translateY(-1px);
  color: var(--blue-dark) !important;
}

/* Home Preview Dual Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin: 36px auto 0;
  max-width: 720px;
}
.hero-visual-card {
  flex: 1;
  max-width: 320px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px 14px 16px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-visual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}
.hero-visual-card img {
  border-radius: 14px;
  background: #f1f5f9;
  width: 100%;
}
.hero-visual-caption {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
}
.hero-visual-caption strong {
  font-size: 14px;
  color: var(--ink);
}
.hero-visual-caption span {
  font-size: 12px;
  color: var(--muted);
  background: var(--blue-soft);
  color: var(--blue-dark);
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 600;
}
@media (max-width: 680px) {
  .hero-visual {
    flex-direction: column;
    gap: 20px;
  }
  .hero-visual-card {
    max-width: 280px;
  }
}

.phone {
  width: min(280px, 100%);
  margin: 0 auto;
  background: #111827;
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow);
}
.phone img { border-radius: 26px; background: #fff; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: -8px 0 8px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px;
}
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 13px; }

.seg-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.seg-label {
  margin: 0 0 14px;
  text-align: center;
  color: var(--ink);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.seg-bar {
  position: sticky;
  top: 72px;
  z-index: 12;
  margin: 0 0 28px;
  padding: 4px 0 12px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}
.seg {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 720px;
  margin: 0 auto;
  padding: 6px;
  background: #eef2f8;
  border: 1px solid #e3eaf4;
  border-radius: 20px;
}
.seg-thumb {
  position: absolute;
  top: 6px;
  left: 6px;
  width: calc(50% - 6px);
  height: calc(100% - 12px);
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(18, 32, 58, 0.08), 0 8px 20px rgba(18, 32, 58, 0.06);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}
#speak:checked ~ .seg-bar .seg-thumb {
  transform: translateX(100%);
}
.seg-tab {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 76px;
  padding: 14px 18px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  border-radius: 14px;
}
.seg-tab strong {
  font-size: 18px;
  font-weight: 800;
  color: inherit;
  line-height: 1.3;
}
.seg-tab span {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  max-width: 22em;
}
#remember:checked ~ .seg-bar [for="remember"],
#speak:checked ~ .seg-bar [for="speak"] {
  color: var(--blue-dark);
}
#remember:focus-visible ~ .seg-bar [for="remember"],
#speak:focus-visible ~ .seg-bar [for="speak"] {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}
#speak:checked ~ #panel-remember,
#remember:checked ~ #panel-speak {
  display: none;
}
.tab-intro {
  max-width: 640px;
  margin: 0 auto 24px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 640px) {
  .seg-tab { min-height: 56px; padding: 12px 8px; }
  .seg-tab span { display: none; }
  .hero-center { padding: 32px 0 4px; }
  .hero-center h1 { font-size: 26px; }
  .hero-center .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: min(100%, 360px);
    margin: 0 auto;
  }
  .hero-center .btn-primary { grid-column: 1 / -1; }
  .carousel .shot { flex-basis: 70%; }
  section { padding: 48px 0; }
  .practice { padding-top: 16px; }
}

section { padding: 72px 0; }
.practice {
  background: #fff;
  padding-top: 20px;
  scroll-margin-top: 72px;
}
.section-head { max-width: 680px; margin-bottom: 28px; scroll-margin-top: 88px; }
.section-head.is-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  max-width: 640px;
  margin-bottom: 36px;
}
.section-head h2 { margin: 0 0 8px; font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.02em; }
.section-head p { margin: 0; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.cards-2 { grid-template-columns: 1fr 1fr; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: 0 1px 0 rgba(18, 32, 58, 0.03);
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.card p + p { margin-top: 12px; }
.cite {
  font-size: 13px;
  color: #7a8799;
  line-height: 1.55;
}
.cite a { color: inherit; }
.tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #e8f7f3;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}
.tag-orange { background: #ffece4; color: var(--orange); }

.goals { display: grid; gap: 16px; }
.section-follow { margin: 20px 0 0; }
.goal {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: 0 1px 0 rgba(18, 32, 58, 0.03);
}
.goal h2 { margin: 8px 0 10px; font-size: clamp(22px, 3vw, 30px); }
.goal > p { margin: 0 0 20px; color: var(--muted); }
.goal-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.goal-grid h3 {
  margin: 0 0 10px;
  font-size: 15px;
}
.goal-grid ul { margin: 0; padding-left: 1.15em; }
.goal-grid li { margin: 0 0 8px; }
.goal-cite {
  background: #f7f9fc;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 16px;
}
.goal-cite p { margin: 0; color: var(--muted); }
.goal-cite .cite { margin-top: 12px; }

.method-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 20px;
  justify-content: center;
}
.method-toc a {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
}
.method-toc a:hover { border-color: var(--blue); color: var(--blue-dark); }
.methods { display: grid; gap: 20px; margin-top: 4px; }
.method {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px 26px 24px;
  box-shadow: 0 10px 30px rgba(18, 32, 58, 0.04);
}
.method:target {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}
.method-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.method-head h3 { margin: 0; font-size: clamp(18px, 2.4vw, 22px); }
.method-kicker {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  margin: 0;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue-dark);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}
.method-body {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px 32px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.method-lead { margin: 0 0 4px; color: var(--muted); }
.part { margin: 0; min-width: 0; }
.part h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue-dark);
}
.part p, .part li { margin: 0; color: var(--muted); }
.part p + p { margin-top: 8px; }
.part ul { margin: 0; padding-left: 1.15em; }
.part li { margin: 0 0 6px; }
.method, .refs li { scroll-margin-top: 88px; }
.practice .method { scroll-margin-top: 150px; }
.cite-n {
  font-size: 0.78em;
  font-weight: 700;
  color: var(--blue-dark);
  text-decoration: none;
  margin-left: 1px;
}
.cite-n:hover { text-decoration: underline; }
.refs {
  margin-top: 8px;
  padding: 22px 0 0;
}
.refs h2 { margin: 0 0 12px; font-size: 20px; }
.refs ol {
  margin: 0;
  padding-left: 1.4em;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.refs li { margin: 0 0 8px; }
.refs a { color: inherit; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
.shot-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.band-shots {
  background: #e8eef7;
  padding: 28px 0 32px;
}
.band-shots .section-head.is-center { margin-bottom: 16px; }
.band-shots .section-head h2 { font-size: clamp(20px, 2.4vw, 26px); }
.carousel {
  position: relative;
}
.carousel-viewport { overflow: hidden; }
.carousel-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 4px;
  scrollbar-width: none;
  padding: 4px 4px 8px;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel .shot {
  flex: 0 0 280px;
  scroll-snap-align: start;
  padding: 8px 8px 12px;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(18, 32, 58, 0.08);
}
.carousel .shot:hover { transform: none; }
.carousel .shot img { border-radius: 12px; }
.carousel .shot h3 { margin: 10px 4px 2px; font-size: 14px; }
.carousel .shot p { margin: 0 4px; font-size: 12px; }
.carousel-btn {
  position: absolute;
  top: 38%;
  z-index: 2;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(18, 32, 58, 0.12);
}
.carousel-btn.prev { left: -6px; }
.carousel-btn.next { right: -6px; }
.carousel-btn::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  margin: 0 auto;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.carousel-btn.prev::before { transform: rotate(45deg); margin-left: 6px; }
.carousel-btn.next::before { transform: rotate(-135deg); margin-right: 6px; }
.carousel-btn:hover { border-color: #b7c9e6; }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c5d0e0;
  cursor: pointer;
}
.carousel-dot[aria-current="true"] { background: var(--blue); width: 18px; border-radius: 999px; }

.shot {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px 14px 20px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
.shot:hover {
  color: inherit;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.shot img {
  width: 100%;
  border-radius: 14px;
  background: #f1f5f9;
  border: 1px solid rgba(0, 0, 0, 0.05);
}
.shot h3 { margin: 14px 8px 6px; font-size: 16.5px; font-weight: 700; text-align: center; }
.shot h3:last-child { margin-bottom: 10px; }
.shot p { margin: 0 8px; color: var(--muted); font-size: 13.5px; line-height: 1.6; text-align: center; }

/* Modern Download Page Cards */
.dl-platform-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.dl-platform-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.dl-platform-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.dl-platform-title svg {
  width: 28px;
  height: 28px;
}
.dl-platform-title h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 750;
}
.dl-pill {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
}
.dl-platform-desc {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
  margin: 0 0 24px;
}
.dl-appstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000000;
  color: #ffffff !important;
  border-radius: 12px;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.18s ease;
  width: fit-content;
}
.dl-appstore-btn:hover {
  transform: translateY(-2px);
}
.dl-appstore-btn svg {
  width: 22px;
  height: 22px;
}
.dl-appstore-text {
  text-align: left;
  line-height: 1.2;
}
.dl-appstore-text small {
  display: block;
  font-size: 10px;
  opacity: 0.8;
}
.dl-appstore-text strong {
  font-size: 15px;
  font-weight: 700;
}
.dl-stores-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dl-store-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 550;
  color: #334155;
}

.band-loop { background: var(--bg); }
.band-books { background: #fff; }
.books { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.book {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
}

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 20px 20px;
  box-shadow: 0 8px 24px rgba(18, 32, 58, 0.04);
}
.step em {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-style: normal;
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 10px;
}

.prose { max-width: 760px; }
.prose h1 { margin-top: 0; }
.prose h2 { margin-top: 36px; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { background: #f7f9fc; font-size: 13px; color: var(--muted); }
.prose table a { overflow-wrap: anywhere; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.page-hero {
  padding: 36px 0 8px;
}
.page-hero h1 { margin: 8px 0; font-size: clamp(28px, 4vw, 40px); }
.prose .cite { margin-top: -8px; margin-bottom: 1.2em; }

.foot {
  background: #0f1728;
  color: #d7deea;
  padding: 48px 0 24px;
  margin-top: 24px;
}
.foot a { color: #d7e8ff; }
.foot h2 { color: #fff; font-size: 15px; margin: 0 0 12px; }
.foot p, .foot li { font-size: 14px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin: 0 0 8px; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
  gap: 28px;
}
.foot-bar {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid #2a3548;
  font-size: 13px;
  color: #9aa6b8;
}
.beian { white-space: nowrap; }
.foot-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 0.4em 0 0;
}
.foot-sep { opacity: 0.55; }
.beian-gongan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  text-decoration: none;
}
.beian-gongan-icon {
  width: 14px !important;
  height: 16px !important;
  max-width: none !important;
  display: block !important;
  flex: 0 0 14px;
  object-fit: contain;
}

@media (max-width: 920px) {
  .hero-grid, .split, .split.reverse, .cards, .stats, .foot-grid, .contact-grid, .goal-grid, .method-body {
    grid-template-columns: 1fr;
  }
  .shot-row { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .carousel-btn.prev { left: 2px; }
  .carousel-btn.next { right: 2px; }
  .nav-burger { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 16px;
    flex-direction: column;
  }
  .nav-toggle:checked ~ .nav { display: flex; }
  .top-inner { position: relative; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Shared compact footer: detailed company information lives on About/Contact. */
.foot.foot-compact { background: #f7f9fc; color: #5e6b80; padding: 30px 0 20px; border-top: 1px solid #e5eaf2; margin-top: 24px; }
.foot-compact a { color: #53627a; text-decoration: none; }
.foot-compact a:hover { color: #244ead; text-decoration: underline; text-underline-offset: 4px; }
.foot-compact a:focus-visible { outline: 2px solid #4263bc; outline-offset: 5px; border-radius: 2px; }
.foot-compact-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.foot-brand > a { color: #253754; font-size: 15px; font-weight: 650; }
.foot-brand > p { margin: 6px 0 0; color: #68768b; font-size: 13px; }
.foot-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 22px; max-width: 690px; }
.foot-links a { display: inline-flex; align-items: center; min-height: 32px; font-size: 13px; white-space: nowrap; }
.foot-compact-bottom { border-top: 1px solid #e4e9f1; margin-top: 20px; padding-top: 16px; display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; align-items: center; }
.foot-compact-bottom > p { margin: 0; font-size: 12px; color: #68768b; }
.foot-records { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.foot-records a { display: inline-flex; align-items: center; gap: 5px; min-height: 24px; font-size: 12px; }
.foot-records img { flex-shrink: 0; }
@media (max-width: 700px) {
  .foot.foot-compact { padding-top: 24px; }
  .foot-compact-top { flex-direction: column; align-items: flex-start; gap: 14px; }
  .foot-links { justify-content: flex-start; gap: 4px 20px; }
  .foot-links a { min-height: 36px; }
  .foot-compact-bottom { flex-direction: column; align-items: flex-start; margin-top: 16px; gap: 8px; }
  .foot-records { flex-direction: column; align-items: flex-start; gap: 3px; }
}