/* ==========================================================================
   Sunlit Studio — design system
   Light, airy, high-contrast accents. No build step, no external assets.
   ========================================================================== */

:root {
  --bg: #f4f6fc;
  --bg-deep: #e9ecf9;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --ink: #0f1220;
  --ink-2: #464d63;
  --ink-3: #7b839a;
  --line: rgba(15, 18, 32, 0.08);
  --line-strong: rgba(15, 18, 32, 0.14);

  --violet: #6b5cff;
  --blue: #2f7bff;
  --cyan: #12c2e9;
  --mint: #1fcfa4;
  --peach: #ff8a5b;
  --pink: #f45ec0;

  --grad-main: linear-gradient(115deg, #6b5cff 0%, #2f7bff 34%, #12c2e9 66%, #1fcfa4 100%);
  --grad-warm: linear-gradient(115deg, #ff8a5b 0%, #f45ec0 100%);

  --r-sm: 14px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 36px;

  --shadow-sm: 0 2px 8px rgba(19, 24, 51, 0.05);
  --shadow-md: 0 14px 40px -18px rgba(35, 30, 90, 0.28);
  --shadow-lg: 0 40px 90px -40px rgba(35, 30, 90, 0.42);
  --shadow-glow: 0 24px 70px -30px rgba(107, 92, 255, 0.55);

  --max: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 74px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 640;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

p {
  margin: 0;
}

::selection {
  background: rgba(107, 92, 255, 0.18);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 4px;
  border-radius: 6px;
}

/* --------------------------------------------------------------------------
   Ambient background: aurora blobs + fixed grid + film grain
   -------------------------------------------------------------------------- */

.aurora {
  position: fixed;
  inset: -20vmax;
  z-index: -3;
  pointer-events: none;
  filter: blur(84px) saturate(118%);
  opacity: 0.78;
  contain: strict;
}

.aurora__blob {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: multiply;
  will-change: transform;
}

.aurora__blob--1 {
  width: 46vmax;
  height: 46vmax;
  left: 2%;
  top: 4%;
  background: radial-gradient(circle at 50% 50%, rgba(107, 92, 255, 0.34), transparent 66%);
  animation: drift-a 26s var(--ease) infinite alternate;
}

.aurora__blob--2 {
  width: 42vmax;
  height: 42vmax;
  right: 4%;
  top: -6%;
  background: radial-gradient(circle at 50% 50%, rgba(18, 194, 233, 0.28), transparent 66%);
  animation: drift-b 32s var(--ease) infinite alternate;
}

.aurora__blob--3 {
  width: 40vmax;
  height: 40vmax;
  left: 26%;
  bottom: -14%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 138, 91, 0.24), transparent 66%);
  animation: drift-c 29s var(--ease) infinite alternate;
}

.aurora__blob--4 {
  width: 30vmax;
  height: 30vmax;
  right: 18%;
  bottom: 2%;
  background: radial-gradient(circle at 50% 50%, rgba(31, 207, 164, 0.22), transparent 66%);
  animation: drift-b 24s var(--ease) infinite alternate-reverse;
}

@keyframes drift-a {
  to { transform: translate3d(9vmax, 6vmax, 0) scale(1.14); }
}
@keyframes drift-b {
  to { transform: translate3d(-8vmax, 7vmax, 0) scale(1.08); }
}
@keyframes drift-c {
  to { transform: translate3d(7vmax, -8vmax, 0) scale(1.16); }
}

.grid-veil {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: linear-gradient(rgba(15, 18, 32, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 18, 32, 0.045) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 20%, transparent 78%);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */

.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 60;
  background: var(--grad-main);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.1s linear;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.is-stuck {
  background: rgba(248, 249, 254, 0.78);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom-color: rgba(15, 18, 32, 0.07);
  box-shadow: 0 10px 30px -22px rgba(20, 24, 60, 0.4);
}

.nav__inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 660;
  letter-spacing: -0.03em;
  font-size: 17px;
  white-space: nowrap;
}

.brand__mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--grad-main);
  position: relative;
  box-shadow: 0 8px 20px -10px rgba(107, 92, 255, 0.9);
  flex: none;
  overflow: hidden;
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.85), transparent 52%);
}

.brand__mark::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 5px;
  border: 1.6px solid rgba(255, 255, 255, 0.85);
  border-bottom-color: transparent;
  border-right-color: transparent;
  transform: rotate(45deg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
}

.nav__links a {
  padding: 8px 13px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 520;
  color: var(--ink-2);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav__links a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

.nav__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* language switch */
.lang {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-3);
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.lang button[aria-pressed="true"] {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 6px 14px -8px rgba(15, 18, 32, 0.8);
}

.nav__toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  width: 40px;
  height: 40px;
  border-radius: 11px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.nav__toggle span {
  display: block;
  width: 17px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(5.8px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-5.8px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 580;
  letter-spacing: -0.01em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    background 0.3s var(--ease);
  overflow: hidden;
  isolation: isolate;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.985);
}

.btn--primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, #1fcfa4, #12c2e9 40%, #6b5cff 100%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

.btn--primary:hover::after {
  opacity: 1;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}

.btn--ghost:hover {
  background: #fff;
  box-shadow: var(--shadow-md);
}

.btn--sm {
  padding: 10px 18px;
  font-size: 14px;
}

.btn__arrow {
  width: 15px;
  height: 15px;
  transition: transform 0.35s var(--ease);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  position: relative;
  padding: clamp(72px, 9vw, 132px) 0;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  backdrop-filter: blur(10px);
}

.kicker i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(31, 207, 164, 0.16);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  50% { box-shadow: 0 0 0 7px rgba(31, 207, 164, 0.05); }
}

.section__head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section__head h2 {
  font-size: clamp(30px, 4.2vw, 50px);
  margin: 20px 0 18px;
}

.section__head p {
  color: var(--ink-2);
  font-size: 17.5px;
  max-width: 620px;
}

.grad-text {
  background: var(--grad-main);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sweep 9s linear infinite;
}

@keyframes sweep {
  0% { background-position: 0% 50%; }
  100% { background-position: 220% 50%; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(56px, 8vw, 110px)) 0 clamp(52px, 6vw, 84px);
  overflow: clip;
}

.hero__spot {
  position: absolute;
  width: 640px;
  height: 640px;
  left: var(--mx, 50%);
  top: var(--my, 30%);
  translate: -50% -50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.85), transparent 62%);
  opacity: 0.75;
  z-index: -1;
  transition: opacity 0.6s var(--ease);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin: 26px 0 0;
  font-weight: 650;
}

.hero h1 span {
  display: block;
}

.hero__lede {
  margin-top: 26px;
  font-size: clamp(16.5px, 1.35vw, 19.5px);
  line-height: 1.62;
  color: var(--ink-2);
  max-width: 520px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 36px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.hero__meta div {
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.01em;
}

.hero__meta strong {
  display: block;
  font-size: 22px;
  font-weight: 660;
  color: var(--ink);
  letter-spacing: -0.03em;
}

/* app constellation */
.constellation {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
  isolation: isolate;
}

/* 中心柔光：缓慢旋转的锥形渐变，让整组图标有“活着”的感觉 */
.constellation::before {
  content: "";
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(107, 92, 255, 0.3),
    transparent 28%,
    rgba(18, 194, 233, 0.26) 52%,
    transparent 74%,
    rgba(255, 138, 91, 0.24)
  );
  filter: blur(34px);
  animation: spin 26s linear infinite;
  z-index: 0;
}

.constellation::after {
  content: "";
  position: absolute;
  inset: 16%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0) 68%);
  z-index: 0;
}

.constellation__ring {
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 1px solid rgba(107, 92, 255, 0.16);
  animation: spin 40s linear infinite;
}

.constellation__ring:nth-child(2) {
  inset: 30%;
  border-style: dashed;
  border-color: rgba(18, 194, 233, 0.24);
  animation-duration: 30s;
  animation-direction: reverse;
}

.constellation__ring::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 18px rgba(107, 92, 255, 0.8);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.orb {
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 50%);
  width: 21%;
  aspect-ratio: 1;
  translate: -50% -50%;
  z-index: 1;
  padding: 3px;
  border-radius: 27%;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.42));
  box-shadow: 0 24px 50px -26px rgba(35, 30, 90, 0.5), 0 2px 10px rgba(35, 30, 90, 0.06);
  will-change: transform;
  transform: translate3d(var(--tx, 0px), var(--ty, 0px), 0);
}

.orb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 24%;
  background: #fff;
}

.orb--center {
  position: relative;
  left: auto;
  top: auto;
  width: 32%;
  z-index: 2;
  translate: none;
  padding: 4px;
  border-radius: 31%;
  box-shadow: 0 46px 80px -34px rgba(107, 92, 255, 0.6), 0 4px 16px rgba(35, 30, 90, 0.08);
}

.orb--center::after {
  content: "";
  position: absolute;
  inset: -34%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 92, 255, 0.16), transparent 62%);
  z-index: -1;
}

.orb--1 { --x: 50%; --y: 11%; animation: float 11s ease-in-out infinite; }
.orb--2 { --x: 85%; --y: 30%; animation: float 13s ease-in-out infinite reverse; }
.orb--3 { --x: 85%; --y: 70%; animation: float 12s ease-in-out infinite; }
.orb--4 { --x: 50%; --y: 89%; animation: float 14s ease-in-out infinite reverse; }
.orb--5 { --x: 15%; --y: 70%; animation: float 10.5s ease-in-out infinite; }
.orb--6 { --x: 15%; --y: 30%; animation: float 15s ease-in-out infinite reverse; }

@keyframes float {
  50% {
    transform: translate3d(var(--tx, 0px), calc(var(--ty, 0px) - 13px), 0);
  }
}

/* --------------------------------------------------------------------------
   Marquee
   -------------------------------------------------------------------------- */

.marquee {
  position: relative;
  overflow: hidden;
  padding: 22px 0;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  gap: 54px;
  width: max-content;
  animation: scroll 38s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__track span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  font-weight: 560;
  letter-spacing: 0.02em;
  color: var(--ink-3);
  white-space: nowrap;
}

.marquee__track span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.35;
}

@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   Product grid
   -------------------------------------------------------------------------- */

.products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  --accent: #6b5cff;
  --accent-2: #12c2e9;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 26px 22px;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.66));
  border: 1px solid rgba(15, 18, 32, 0.06);
  box-shadow: 0 1px 2px rgba(19, 24, 60, 0.04), var(--shadow-md);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease);
  will-change: transform;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, var(--accent), transparent 42%, transparent 62%, var(--accent-2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  left: var(--gx, 50%);
  top: var(--gy, 0%);
  translate: -50% -50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card:hover::before,
.card:hover::after {
  opacity: 1;
}

.card__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.card__icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  flex: none;
  display: grid;
  place-items: center;
  background: #fff;
  box-shadow: 0 12px 26px -14px color-mix(in srgb, var(--accent) 75%, #000 6%),
    inset 0 0 0 1px rgba(255, 255, 255, 0.9);
  overflow: hidden;
}

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

.card__name {
  font-size: 18.5px;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.card__cat {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 5px;
}

.card__desc {
  position: relative;
  z-index: 1;
  color: var(--ink-2);
  font-size: 14.8px;
  line-height: 1.62;
  flex: 1;
}

.card__tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.card__tags span {
  font-size: 11.8px;
  font-weight: 560;
  padding: 5px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 9%, #fff);
  color: color-mix(in srgb, var(--accent) 78%, #000 12%);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
}

.card__link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  font-size: 13.8px;
  font-weight: 600;
  color: var(--ink);
}

.card__link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.35s var(--ease);
}

.card:hover .card__link svg {
  transform: translate(3px, -3px);
}

.card__link:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Stats
   -------------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.stats div {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  padding: 30px 26px;
}

.stats b {
  display: block;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 660;
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats small {
  display: block;
  margin-top: 9px;
  font-size: 13.2px;
  color: var(--ink-3);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Principles
   -------------------------------------------------------------------------- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.principle {
  padding: 30px 28px;
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 18, 32, 0.055);
  box-shadow: 0 1px 2px rgba(19, 24, 60, 0.03), var(--shadow-sm);
  backdrop-filter: blur(12px);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.principle:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.principle__ico {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: linear-gradient(140deg, rgba(107, 92, 255, 0.14), rgba(18, 194, 233, 0.14));
  color: var(--violet);
}

.principle h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.principle p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Trust / compliance
   -------------------------------------------------------------------------- */

.trust {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(24px, 4vw, 60px);
  align-items: center;
}

.trust__panel {
  padding: 8px;
  border-radius: var(--r-xl);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.55));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
}

.trust__panel-inner {
  border-radius: calc(var(--r-xl) - 8px);
  overflow: hidden;
  background: #fff;
}

.trust__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 14.6px;
  transition: background 0.25s var(--ease);
}

.trust__row:last-child {
  border-bottom: 0;
}

.trust__row:hover {
  background: #f8f9ff;
}

.trust__row svg {
  width: 18px;
  height: 18px;
  color: var(--mint);
  flex: none;
}

.trust__row b {
  font-weight: 600;
}

.trust__row span {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--ink-3);
}

.trust__links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.trust__links a {
  padding: 16px 16px;
  min-height: 58px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  font-size: 13.6px;
  line-height: 1.35;
  font-weight: 560;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.trust__links a:hover {
  transform: translateY(-3px);
  background: #fff;
  border-color: rgba(107, 92, 255, 0.28);
  box-shadow: var(--shadow-md);
}

.trust__links svg {
  width: 13px;
  height: 13px;
  color: var(--ink-3);
  flex: none;
}

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */

.cta {
  position: relative;
  padding: clamp(44px, 6vw, 72px);
  border-radius: var(--r-xl);
  overflow: hidden;
  color: #fff;
  background: linear-gradient(120deg, #4b3ff0 0%, #2f7bff 38%, #12c2e9 72%, #1fcfa4 100%);
  box-shadow: 0 50px 90px -50px rgba(47, 123, 255, 0.85);
  isolation: isolate;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 82% 8%, rgba(255, 255, 255, 0.4), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(255, 255, 255, 0.22), transparent 40%);
  z-index: -1;
}

.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at 30% 30%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 30%, #000, transparent 76%);
  z-index: -1;
}

.cta h2 {
  font-size: clamp(28px, 3.9vw, 44px);
  max-width: 640px;
}

.cta p {
  margin-top: 16px;
  font-size: 16.5px;
  max-width: 520px;
  color: rgba(255, 255, 255, 0.86);
}

.cta .btn--primary {
  background: #fff;
  color: #1a1c33;
  box-shadow: 0 20px 40px -22px rgba(9, 12, 40, 0.7);
}

.cta .btn--primary::after {
  background: linear-gradient(115deg, #f0f3ff, #ffffff 60%, #e6f7ff);
}

.cta .btn--ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: none;
}

.cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.24);
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  margin-top: clamp(70px, 9vw, 120px);
  padding: 66px 0 34px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(244, 246, 252, 0));
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.footer__about {
  max-width: 330px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
  margin-top: 18px;
}

.footer h4 {
  font-size: 12.5px;
  font-weight: 660;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}

.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.footer li a {
  font-size: 14.4px;
  color: var(--ink-2);
  transition: color 0.2s;
}

.footer li a:hover {
  color: var(--violet);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-3);
}

.footer__bottom a {
  color: var(--ink-2);
}

/* CJK 版排版：中文字面更方，行高需要松一点 */
html[lang="zh-CN"] body {
  letter-spacing: 0;
}

html[lang="zh-CN"] p,
html[lang="zh-CN"] li {
  line-height: 1.78;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2 {
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   Legal pages
   -------------------------------------------------------------------------- */

.doc {
  padding: calc(var(--nav-h) + 64px) 0 40px;
}

.doc__head {
  max-width: 780px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.doc__head h1 {
  font-size: clamp(32px, 4.6vw, 50px);
  margin: 18px 0 14px;
}

.doc__meta {
  font-size: 13.5px;
  color: var(--ink-3);
}

.doc__body {
  max-width: 780px;
  margin-top: 40px;
}

.doc__body h2 {
  font-size: 22px;
  margin: 42px 0 12px;
  padding-left: 16px;
  border-left: 3px solid var(--violet);
  line-height: 1.3;
}

.doc__body h2:first-child {
  margin-top: 0;
}

.doc__body h3 {
  font-size: 16.5px;
  margin: 24px 0 8px;
}

.doc__body p,
.doc__body li {
  color: var(--ink-2);
  font-size: 15.6px;
  line-height: 1.78;
}

.doc__body p {
  margin: 12px 0;
}

.doc__body ul {
  margin: 12px 0;
  padding-left: 22px;
}

.doc__body li {
  margin: 7px 0;
}

.doc__body a {
  color: var(--violet);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.doc__note {
  margin: 30px 0;
  padding: 20px 22px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 15px;
  color: var(--ink-2);
}

.doc__note b {
  color: var(--ink);
}

.doc__toc {
  margin-top: 34px;
  padding: 22px 24px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
}

.doc__toc p {
  font-size: 12.5px;
  font-weight: 660;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}

.doc__toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  gap: 24px;
  font-size: 14px;
}

.doc__toc li {
  margin: 5px 0;
  color: var(--ink-2);
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.center-page {
  min-height: 78vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: calc(var(--nav-h) + 40px) 28px 80px;
}

.center-page h1 {
  font-size: clamp(76px, 16vw, 160px);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

/* --------------------------------------------------------------------------
   Reveal on scroll
   -------------------------------------------------------------------------- */

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(6px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease),
    filter 0.85s var(--ease);
}

html.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  filter: none;
}

html.js [data-reveal][data-delay="1"] { transition-delay: 0.08s; }
html.js [data-reveal][data-delay="2"] { transition-delay: 0.16s; }
html.js [data-reveal][data-delay="3"] { transition-delay: 0.24s; }
html.js [data-reveal][data-delay="4"] { transition-delay: 0.32s; }
html.js [data-reveal][data-delay="5"] { transition-delay: 0.4s; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 20px; }
  .constellation { max-width: 520px; margin: 0 auto; width: 100%; }
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 14px auto;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border-radius: var(--r-md);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }
  .nav.is-open .nav__links {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
  .nav__links a { padding: 12px 14px; font-size: 15.5px; }
  .nav__toggle { display: flex; }
  .nav__right .btn { display: none; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principles { grid-template-columns: 1fr; }
  .trust__links { grid-template-columns: 1fr; }
  .hero__meta { gap: 20px; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .products { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .cta { padding: 34px 24px; border-radius: var(--r-lg); }
  .doc__toc ol { columns: 1; }
  .hero__meta div { font-size: 12.5px; }
  .hero__meta strong { font-size: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; filter: none; }
}

@media print {
  .nav, .aurora, .grid-veil, .grain, .progress, .footer { display: none; }
  body { background: #fff; }
}

/* ==========================================================================
   Product detail pages
   ========================================================================== */

.crumb {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 560;
  color: var(--ink-3);
  padding: 7px 13px 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.crumb:hover {
  color: var(--ink);
  background: #fff;
}

.crumb svg {
  width: 13px;
  height: 13px;
}

.phero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(48px, 6vw, 84px)) 0 clamp(40px, 5vw, 64px);
  overflow: clip;
}

.phero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}

.phero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 22px;
  padding: 6px 15px 6px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 12.8px;
  font-weight: 560;
  color: var(--ink-2);
  backdrop-filter: blur(10px);
}

.phero__badge img {
  width: 27px;
  height: 27px;
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
}

.phero h1 {
  font-size: clamp(38px, 5.4vw, 64px);
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.phero__tag {
  margin-top: 12px;
  font-size: clamp(20px, 2.2vw, 27px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.35;
  background: var(--grad-main);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sweep 9s linear infinite;
}

.phero__lede {
  margin-top: 20px;
  font-size: 16.8px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 540px;
}

.pchips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.pchips span {
  font-size: 12.6px;
  font-weight: 540;
  color: var(--ink-2);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.phero__art {
  position: relative;
  aspect-ratio: 4 / 4.4;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.55));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
  display: grid;
  place-items: center;
  isolation: isolate;
}

.phero__art--flat {
  aspect-ratio: 4 / 3.2;
}

.phero__art::before {
  content: "";
  position: absolute;
  inset: -30%;
  background: conic-gradient(
    from 0deg,
    rgba(107, 92, 255, 0.22),
    transparent 30%,
    rgba(18, 194, 233, 0.2) 55%,
    transparent 78%,
    rgba(255, 138, 91, 0.18)
  );
  filter: blur(38px);
  animation: spin 30s linear infinite;
  z-index: -1;
}

.phero__art img.phero__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phero__icon-lg {
  width: 44%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 7%;
  border-radius: 30%;
  background: radial-gradient(120% 120% at 30% 18%, #ffffff 0%, #f6f7ff 58%, #eceffb 100%);
  box-shadow: 0 40px 70px -30px rgba(35, 30, 90, 0.5), 0 0 0 1px rgba(15, 18, 32, 0.04),
    inset 0 1px 0 #fff;
}

.phero__art--icon {
  aspect-ratio: 4 / 3.3;
}

.phero__shot {
  position: absolute;
  width: 62%;
  border-radius: 22px;
  box-shadow: 0 30px 60px -26px rgba(35, 30, 90, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.85);
  overflow: hidden;
  background: #fff;
}

.phero__shot img {
  width: 100%;
  display: block;
}

.phero__shot--a {
  left: 6%;
  top: 18%;
  rotate: -5deg;
}

.phero__shot--b {
  right: 6%;
  top: 30%;
  rotate: 4deg;
}

.phero__chip {
  position: absolute;
  left: 50%;
  bottom: 7%;
  translate: -50% 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(14px);
  font-size: 12.8px;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
}

/* feature grid */
.pgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pfeature {
  padding: 26px 24px;
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 18, 32, 0.055);
  box-shadow: 0 1px 2px rgba(19, 24, 60, 0.03), var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.pfeature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pfeature__ico {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 20px;
  margin-bottom: 16px;
  background: linear-gradient(140deg, rgba(107, 92, 255, 0.13), rgba(18, 194, 233, 0.13));
}

.pfeature h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
}

.pfeature p {
  color: var(--ink-2);
  font-size: 14.8px;
  line-height: 1.62;
}

/* checklist */
.plist {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plist li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: 15.6px;
  line-height: 1.6;
  color: var(--ink-2);
}

.plist svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 2px;
  color: var(--mint);
}

.plist b {
  color: var(--ink);
  font-weight: 620;
}

/* two-column band */
.pband {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

/* screenshot strip */
.pshots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pshots figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(15, 18, 32, 0.06);
  box-shadow: var(--shadow-md);
  background: #fff;
}

.pshots--portrait img {
  aspect-ratio: 9 / 14;
}

.pshots img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease);
}

.pshots figure:hover img {
  transform: scale(1.05);
}

.pshots figcaption {
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 560;
  color: var(--ink-2);
}

/* pricing row */
.prices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.price {
  position: relative;
  padding: 26px 24px;
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.price--hero {
  border-color: rgba(107, 92, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.price--hero::after {
  content: "Most popular";
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 11px;
  font-weight: 660;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--violet);
  background: rgba(107, 92, 255, 0.1);
  padding: 4px 9px;
  border-radius: 999px;
}

.price h3 {
  font-size: 15px;
  color: var(--ink-3);
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: 10px;
}

.price b {
  font-size: 28px;
  letter-spacing: -0.03em;
}

.price b small {
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 500;
}

.price ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-2);
}

.price li::before {
  content: "· ";
  color: var(--violet);
  font-weight: 700;
}

/* note under CTA */
.pnote {
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.6;
}

.phero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

@media (max-width: 1080px) {
  .phero__inner { grid-template-columns: 1fr; }
  .phero__art { max-width: 520px; width: 100%; margin: 8px auto 0; aspect-ratio: 4 / 3.4; }
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pband { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .pgrid { grid-template-columns: 1fr; }
  .pshots { grid-template-columns: 1fr; }
  .prices { grid-template-columns: 1fr; }
  .phero__shot { width: 56%; }
}

/* 只有一个图标、没有截图时使用：图标自带圆角底板，不需要白色外框 */
.phero__icon-lg--bare {
  padding: 0;
  background: none;
  box-shadow: 0 40px 70px -30px rgba(35, 30, 90, 0.5), 0 0 0 1px rgba(15, 18, 32, 0.06);
}

/* 3 列网格里落单的最后一张卡居中，避免 7 个产品出现一行只有一个的尴尬 */
@media (min-width: 1081px) {
  .products > .card:last-child:nth-child(3n + 1) {
    grid-column: 2;
  }
}