/* 申豹官网 · 视觉 token：近黑冷灰 + 墨绿强调（账面信任 / 豹意象克制） */
:root {
  --ink: #0e1412;
  --ink-soft: #1c2622;
  --teal: #1f4a3e;
  --teal-mid: #2d6a58;
  --accent: #b8893a;
  --paper: #fafafa;
  --paper-2: #f3f4f3;
  --paper-3: #e8eae9;
  --surface: #ffffff;
  --text: #141a17;
  --text-secondary: #4a554f;
  --text-muted: #7a847d;
  --line: rgba(20, 26, 23, 0.1);
  --line-strong: rgba(20, 26, 23, 0.18);
  --shadow-soft: 0 20px 50px rgba(14, 20, 18, 0.12);
  --shadow-device: 0 28px 70px rgba(14, 20, 18, 0.18);
  --radius: 14px;
  --radius-lg: 22px;
  --nav-h: 72px;
  --max: 1120px;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-latin: "Outfit", "Noto Sans SC", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(45, 106, 88, 0.05), transparent 55%),
    radial-gradient(900px 500px at 0% 20%, rgba(31, 74, 62, 0.03), transparent 50%),
    linear-gradient(180deg, #ffffff 0%, var(--paper) 48%, #f7f8f7 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* —— 顶栏 —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.brand__en {
  font-family: var(--font-latin);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-left: 0.15rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--ink);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 1.15rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, transform 0.2s;
}

.header-cta:hover {
  background: var(--teal);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  padding: calc(var(--nav-h) + 2.5rem) 0 4rem;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 55% at 88% 42%, rgba(31, 74, 62, 0.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 12% 18%, rgba(31, 74, 62, 0.04), transparent 55%),
    radial-gradient(ellipse 45% 50% at 60% 90%, rgba(14, 20, 18, 0.03), transparent 50%),
    linear-gradient(165deg, #ffffff 0%, #fafafa 50%, #f5f6f5 100%);
}

.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  pointer-events: none;
  mix-blend-mode: soft-light;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 78%, var(--paper) 100%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
  gap: 2.5rem;
  align-items: center;
}

.hero__copy {
  max-width: 38rem;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin: 0 0 1.25rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.9s var(--ease) 0.1s forwards;
}

.hero__en {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-latin);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.9s var(--ease) 0.25s forwards;
}

.hero__sub {
  margin: 0 0 2rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.9s var(--ease) 0.4s forwards;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.9s var(--ease) 0.55s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0 1.4rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.98rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

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

.btn--primary {
  background: var(--ink);
  color: #fff;
}

.btn--primary:hover {
  background: var(--teal);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}

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

.hero__visual {
  position: relative;
  min-height: 420px;
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  animation: hero-visual 1.1s var(--ease) 0.35s forwards;
}

.device-desktop {
  position: relative;
  border-radius: 12px 12px 8px 8px;
  overflow: hidden;
  box-shadow: var(--shadow-device);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: #1a1a1a;
  aspect-ratio: 16 / 10;
}

.device-desktop__bar {
  height: 28px;
  background: #2a2a2a;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
}

.device-desktop__bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #555;
}

.device-desktop__bar i:nth-child(1) { background: #ff5f57; }
.device-desktop__bar i:nth-child(2) { background: #febc2e; }
.device-desktop__bar i:nth-child(3) { background: #28c840; }

.device-desktop img {
  width: 100%;
  height: calc(100% - 28px);
  object-fit: cover;
  object-position: top left;
}

.device-phone {
  position: absolute;
  right: -4%;
  bottom: -8%;
  width: min(42%, 200px);
  aspect-ratio: 9 / 19.5;
  border-radius: 28px;
  padding: 8px;
  background: #1a1a1a;
  box-shadow: var(--shadow-soft);
  border: 2px solid #333;
  overflow: hidden;
}

.device-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 22px;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-visual {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* —— 通用节 —— */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section--tight {
  padding: 4rem 0;
}

.section__head {
  max-width: 40rem;
  margin-bottom: 2.75rem;
}

.section__label {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-mid);
  margin: 0 0 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 0.85rem;
}

.section__lead {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— 痛点 —— */
.pain {
  background: linear-gradient(180deg, transparent, rgba(31, 74, 62, 0.04), transparent);
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: start;
}

.pain-col h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 1.25rem;
  color: var(--ink);
}

.pain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pain-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.pain-list--old li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 1.5px;
  background: var(--text-muted);
}

.pain-list--new li {
  color: var(--ink-soft);
  font-weight: 500;
}

.pain-list--new li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-mid);
}

.pain-divider {
  width: 1px;
  align-self: stretch;
  background: linear-gradient(180deg, transparent, var(--line-strong), transparent);
  position: relative;
}

.pain-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--teal);
  font-weight: 600;
}

/* —— 三端 —— */
.triad {
  background: var(--ink);
  color: #e8ebe9;
}

.triad .section__label {
  color: var(--accent);
}

.triad .section__title {
  color: #fff;
}

.triad .section__lead {
  color: rgba(232, 235, 233, 0.72);
}

.triad-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 1rem;
  align-items: start;
  margin-top: 1rem;
}

.triad-node {
  text-align: center;
  padding: 1.25rem 0.75rem;
}

.triad-node__frame {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.triad-node__visual {
  width: 100%;
  max-width: 148px;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #24302b;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.triad-node__visual--desktop {
  max-width: 240px;
}

.triad-node__visual--cloud {
  max-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: radial-gradient(circle at 50% 40%, rgba(45, 106, 88, 0.45), #1a2420 70%);
}

.triad-node__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.cloud-mark {
  width: 52px;
  height: 52px;
  color: var(--accent);
}

.triad-cloud-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(232, 235, 233, 0.7);
}

.triad-node h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 0.4rem;
  color: #fff;
  letter-spacing: 0.06em;
}

.triad-node p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(232, 235, 233, 0.65);
}

.triad-link {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
  width: 88px;
  height: 22px;
  position: relative;
  overflow: hidden;
  background: transparent;
  /* 与 triad-node 上内边距 + 视觉框垂直中心对齐 */
  margin-top: calc(1.25rem + 100px - 11px);
  align-self: start;
}

.triad-link__rail {
  display: flex;
  align-items: center;
  gap: 0.48rem;
  width: max-content;
  will-change: transform;
  background: transparent;
}

.triad-link__rail i {
  display: block;
  flex: 0 0 auto;
  width: 3.5px;
  height: 3.5px;
  margin: 0;
  padding: 0;
  border-radius: 50%;
  background: #39ff14;
  background-image: none;
  filter: none;
  opacity: 0.3;
}

.triad-link__rail--ltr i {
  background: #39ff14;
}

.triad-link__rail--rtl i {
  background: #2ee60f;
}

.triad.is-animated .triad-link__rail--ltr {
  animation: triad-flow-ltr 2.8s linear infinite;
}

.triad.is-animated .triad-link__rail--rtl {
  animation: triad-flow-rtl 2.8s linear infinite;
}

.triad.is-animated .triad-link__rail i {
  animation: triad-dot-pulse 1.1s ease-in-out infinite;
}

.triad.is-animated .triad-link__rail--ltr i:nth-child(1) { animation-delay: 0s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(2) { animation-delay: 0.09s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(3) { animation-delay: 0.18s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(4) { animation-delay: 0.27s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(5) { animation-delay: 0.36s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(6) { animation-delay: 0.45s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(7) { animation-delay: 0.54s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(8) { animation-delay: 0.63s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(9) { animation-delay: 0.72s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(10) { animation-delay: 0.81s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(11) { animation-delay: 0.9s; }
.triad.is-animated .triad-link__rail--ltr i:nth-child(12) { animation-delay: 0.99s; }

.triad.is-animated .triad-link__rail--rtl i:nth-child(1) { animation-delay: 0.99s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(2) { animation-delay: 0.9s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(3) { animation-delay: 0.81s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(4) { animation-delay: 0.72s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(5) { animation-delay: 0.63s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(6) { animation-delay: 0.54s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(7) { animation-delay: 0.45s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(8) { animation-delay: 0.36s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(9) { animation-delay: 0.27s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(10) { animation-delay: 0.18s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(11) { animation-delay: 0.09s; }
.triad.is-animated .triad-link__rail--rtl i:nth-child(12) { animation-delay: 0s; }

@keyframes triad-flow-ltr {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

@keyframes triad-flow-rtl {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes triad-dot-pulse {
  0%,
  100% {
    opacity: 0.22;
  }
  50% {
    opacity: 1;
  }
}

.triad-quote {
  margin: 3rem auto 0;
  padding: 0;
  width: 100%;
  max-width: none;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.1vw + 0.55rem, 1.2rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.01em;
  white-space: nowrap;
  word-break: keep-all;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 520px) {
  .triad-quote {
    white-space: normal;
    word-break: normal;
    overflow-x: visible;
    font-size: 1rem;
    line-height: 1.75;
  }
}

/* —— 能力 —— */
.capabilities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.capability {
  padding: 2.25rem 2rem 2.25rem 0;
  border-bottom: 1px solid var(--line);
}

.capability:nth-child(even) {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.capability__index {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.capability h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.65rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.capability p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.98rem;
}

/* —— 安全 —— */
.security {
  background:
    linear-gradient(135deg, rgba(31, 74, 62, 0.06), transparent 40%),
    var(--paper-2);
}

.security-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}

.security-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
}

.security-points__num {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  padding-top: 0.15rem;
}

.security-points strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--ink);
  letter-spacing: 0.03em;
}

.security-points p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.honesty {
  margin-top: 2rem;
  padding: 1.15rem 1.35rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* —— 一天故事 —— */
.day-story {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
  border-top: 1px solid var(--line);
}

.day-story::before {
  display: none;
}

.day-act {
  padding: 1.35rem 1.35rem 0.25rem 0;
  position: relative;
  border-right: 1px solid var(--line);
}

.day-act:last-child {
  border-right: none;
  padding-right: 0;
}

.day-act:not(:first-child) {
  padding-left: 1.35rem;
}

.day-act__time {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-latin);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-mid);
  margin-bottom: 0.65rem;
  background: transparent;
  padding-right: 0;
  position: relative;
  z-index: 1;
}

.day-act__time::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: none;
}

.day-act h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
  letter-spacing: 0.04em;
}

.day-act p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* —— 场景合并节 —— */
.section--scene {
  padding: 3.5rem 0;
}

.section__head--compact {
  margin-bottom: 1.35rem;
}

.section__head--compact .section__title {
  margin-bottom: 0.4rem;
}

.scene-block + .scene-block {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

/* —— 下载 —— */
.download {
  background: linear-gradient(180deg, transparent, rgba(31, 74, 62, 0.05));
}

.download-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: visible;
}

.download-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 2rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.download-row:first-child {
  border-top: none;
}

.download-row__info h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.25rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.download-item__meta {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.download-row__actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.download-row__actions .btn {
  min-height: 44px;
  padding: 0 1.15rem;
  white-space: nowrap;
}

.store-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.store-links--inline {
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.65rem;
}

.store-links--inline .store-badge-wrap {
  flex-shrink: 0;
}

.store-badge-wrap {
  position: relative;
}

.store-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 52px;
  min-width: 168px;
  padding: 0.55rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--ink);
  color: #fff;
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}

.store-badge:hover {
  background: var(--teal);
  border-color: var(--teal);
  transform: translateY(-1px);
}

.store-badge img {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  filter: invert(1);
}

.store-badge__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
}

.store-badge__text small {
  font-family: var(--font-latin);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.75;
}

.store-badge__text strong {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.store-badge--android {
  background: #fff;
  color: var(--ink);
  border-color: var(--line-strong);
}

.store-badge--android img {
  filter: none;
}

.store-badge--android:hover {
  background: #f3f5f4;
  border-color: var(--teal);
  color: var(--teal);
}

.store-qr {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  z-index: 5;
  width: 148px;
  padding: 0.65rem;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(6px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.store-qr img {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  border-radius: 6px;
}

.store-qr span {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (hover: hover) and (pointer: fine) {
  .store-badge-wrap:hover .store-qr,
  .store-badge-wrap:focus-within .store-qr {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}

/* —— 谁在用 —— */
.users {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.user-type {
  padding: 1.2rem 1.35rem 0.15rem 0;
  border-right: 1px solid var(--line);
}

.user-type:last-child {
  border-right: none;
  padding-right: 0;
}

.user-type:not(:first-child) {
  padding-left: 1.35rem;
}

.user-type h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 0.35rem;
  letter-spacing: 0.04em;
}

.user-type p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* —— 页脚 —— */
.site-footer {
  background: var(--ink);
  color: rgba(232, 235, 233, 0.7);
  padding: 3.5rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand,
.footer-col {
  flex: 0 1 auto;
  min-width: 0;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: none;
  flex-shrink: 0;
}

.footer-brand .brand {
  min-height: 36px;
}

.footer-brand .brand__name {
  color: #fff;
}

.footer-tagline {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: flex-start;
  margin-top: 0.5rem;
}

.footer-links a {
  font-size: 0.92rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact__title {
  margin: 0 0 1rem;
  min-height: 36px;
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #fff;
  line-height: 1.3;
}

.footer-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.footer-contact__list li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-contact__label {
  color: rgba(232, 235, 233, 0.45);
  flex-shrink: 0;
}

.footer-contact__value {
  color: rgba(232, 235, 233, 0.9);
  white-space: nowrap;
}

.footer-contact__list a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact__list a:hover {
  color: #fff;
}

.footer-contact__qr {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
}

.footer-contact__qr img {
  width: 112px;
  height: 112px;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
  display: block;
}

.footer-contact__qr .footer-contact__value {
  width: 112px;
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }

  .footer-brand {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(232, 235, 233, 0.45);
}

.footer-beian {
  margin: 0;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  justify-content: center;
}

.footer-bottom a {
  color: rgba(232, 235, 233, 0.55);
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: #fff;
}

.footer-beian a {
  color: rgba(232, 235, 233, 0.55);
  transition: color 0.2s;
}

.footer-beian a:hover {
  color: #fff;
}

/* —— 子页 —— */
.legal-page {
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
}

.legal-page h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.75rem;
  text-align: center;
}

.legal-page .updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.25rem;
  text-align: right;
}

.legal-page h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.legal-page h3 {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  margin: 1.5rem 0 0.65rem;
  color: var(--ink-soft);
}

.legal-page p,
.legal-page li {
  color: var(--text-secondary);
  line-height: 1.85;
}

.legal-page p {
  margin: 0 0 1rem;
}

.legal-olist {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.legal-olist > li {
  margin: 0 0 0.75rem;
}

.legal-olist--sub {
  margin: 0.55rem 0 0.25rem;
  padding-left: 1.25rem;
}

.legal-olist--sub > li {
  margin-bottom: 0.45rem;
}

.legal-sign {
  margin-top: 2.5rem;
  text-align: right;
}

.legal-sign p {
  margin-bottom: 0.35rem;
  color: var(--text);
}

/* —— 响应式 —— */
@media (max-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    align-items: stretch;
  }

  .hero__sub {
    white-space: normal;
  }

  .hero__actions {
    position: relative;
    z-index: 2;
  }

  .hero__visual {
    min-height: 0;
    max-width: 520px;
    margin-inline: auto;
    width: 100%;
    /* 手机绝对定位会向上探出，预留空间避免挡住 CTA */
    padding-top: 3.5rem;
    overflow: visible;
  }

  .device-phone {
    width: min(34%, 148px);
    right: 3%;
    bottom: -4%;
  }

  .pain-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .pain-divider {
    width: 100%;
    height: 1px;
  }

  .triad-flow {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .triad-link {
    width: 28px;
    height: 72px;
    margin-inline: auto;
    margin-top: 0;
    flex-direction: row;
    gap: 0.75rem;
  }

  .triad-link__rail {
    flex-direction: column;
    gap: 0.55rem;
  }

  .triad.is-animated .triad-link__rail--ltr {
    animation-name: triad-flow-ltr-v;
  }

  .triad.is-animated .triad-link__rail--rtl {
    animation-name: triad-flow-rtl-v;
  }

  @keyframes triad-flow-ltr-v {
    from { transform: translateY(-50%); }
    to { transform: translateY(0); }
  }

  @keyframes triad-flow-rtl-v {
    from { transform: translateY(0); }
    to { transform: translateY(-50%); }
  }

  .capabilities {
    grid-template-columns: 1fr;
  }

  .capability,
  .capability:nth-child(even) {
    padding: 1.75rem 0;
    border-left: none;
  }

  .security-points {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .day-story {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: none;
  }

  .day-act,
  .day-act:not(:first-child),
  .day-act:last-child {
    padding: 1rem 0;
    border-right: none;
    border-top: 1px solid var(--line);
  }

  .day-story::before {
    display: none;
  }

  .users {
    grid-template-columns: 1fr;
    border-top: none;
    gap: 0;
  }

  .user-type,
  .user-type:not(:first-child),
  .user-type:last-child {
    padding: 1rem 0;
    border-right: none;
    border-top: 1px solid var(--line);
  }

  .scene-block + .scene-block {
    margin-top: 2rem;
    padding-top: 2rem;
  }

  .download-row {
    flex-direction: column;
    align-items: stretch;
    padding: 1.15rem 1.25rem;
  }

  .store-links--inline {
    justify-content: stretch;
    flex-wrap: nowrap;
  }

  .store-links--inline .store-badge-wrap {
    flex: 1 1 0;
    min-width: 0;
  }

  .store-links--inline .store-badge {
    width: 100%;
    min-width: 0;
  }

  .download-row__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .download-row__actions .btn {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: calc(var(--nav-h) + 1.5rem);
    min-height: auto;
  }

  .hero__brand {
    letter-spacing: 0.04em;
  }

  .hero__visual {
    padding-top: 3rem;
  }

  .device-phone {
    width: min(36%, 128px);
    right: 2%;
    bottom: -2%;
  }

  .section {
    padding: 4rem 0;
  }

  .brand__en {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__brand,
  .hero__headline,
  .hero__sub,
  .hero__actions,
  .hero__visual,
  .reveal {
    opacity: 1;
    transform: none;
  }
}