:root {
  --pink: #ff6b9d;
  --pink-dark: #e34f80;
  --pink-light: #ffe4ee;
  --pink-soft: #fff0f6;
  --ink: #2b2b33;
  --ink-soft: #5a5a66;
  --ink-mute: #8b8b98;
  --bg: #fffafc;
  --bg-alt: #fff0f6;
  --card: #ffffff;
  --line: #f0dfe6;
  --accent: #7c5cff;
  --accent-soft: #efeaff;
  --mint: #4fd1c5;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --shadow: 0 8px 28px rgba(255, 107, 157, 0.14);
  --shadow-lg: 0 18px 48px rgba(124, 92, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.75);
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --grad-main: linear-gradient(135deg, #ff6b9d 0%, #ff8fb8 42%, #7c5cff 100%);
  --grad-soft: linear-gradient(160deg, #fff0f6 0%, #f6f1ff 55%, #fffafc 100%);
  --grad-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 240, 246, 0.55));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}

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

a {
  color: var(--pink-dark);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

a:hover {
  color: var(--pink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  line-height: 1.4;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.6rem;
  margin-bottom: 0.6em;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5em;
}

h4 {
  font-size: 1.02rem;
  margin-bottom: 0.4em;
  color: var(--ink-soft);
}

p {
  margin-bottom: 1em;
  color: var(--ink-soft);
}

ul,
ol {
  margin: 0 0 1em 1.3em;
  color: var(--ink-soft);
}

li {
  margin-bottom: 0.4em;
}

::selection {
  background: var(--pink);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

section {
  padding: 56px 0;
  position: relative;
}

.section-head {
  text-align: center;
  margin-bottom: 36px;
}

.section-head h2 {
  display: inline-block;
  position: relative;
  padding-bottom: 12px;
}

.section-head h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: var(--grad-main);
  transition: width 0.4s var(--ease);
}

.section-head:hover h2::after {
  width: 90px;
}

.section-head p {
  max-width: 720px;
  margin: 8px auto 0;
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  background: var(--grad-main);
  background-size: 160% 160%;
  background-position: 0% 50%;
  color: #fff;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), background-position 0.5s var(--ease);
  font-size: 1rem;
  box-shadow: 0 8px 22px rgba(255, 107, 157, 0.32);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.4) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease);
}

.btn:hover {
  color: #fff;
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(255, 107, 157, 0.4);
  background-position: 100% 50%;
}

.btn:hover::after {
  transform: translateX(120%);
}

.btn:active {
  transform: translateY(-1px) scale(0.99);
}

.btn-ghost {
  background: transparent;
  color: var(--pink-dark);
  border: 2px solid var(--pink);
  box-shadow: none;
}

.btn-ghost::after {
  display: none;
}

.btn-ghost:hover {
  background: var(--pink-light);
  color: var(--pink-dark);
  box-shadow: 0 10px 24px rgba(255, 107, 157, 0.2);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
}

.skip:focus {
  left: 12px;
  top: 12px;
  background: #fff;
  color: var(--pink-dark);
  padding: 10px 16px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}

header.site::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 157, 0.45), rgba(124, 92, 255, 0.45), transparent);
  opacity: 0.7;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--ink);
  transition: transform 0.3s var(--ease);
}

.brand:hover {
  text-decoration: none;
  color: var(--ink);
  transform: translateY(-1px);
}

.brand .logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 6px 16px rgba(255, 107, 157, 0.35);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.brand:hover .logo {
  transform: rotate(-8deg) scale(1.06);
  box-shadow: 0 10px 22px rgba(124, 92, 255, 0.4);
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
}

.nav-links a {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color 0.24s var(--ease);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover {
  color: var(--pink-dark);
  text-decoration: none;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-tools {
  display: flex;
  gap: 10px;
  align-items: center;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
  color: var(--ink);
}

.icon-btn:hover {
  border-color: var(--pink);
  background: var(--pink-light);
  transform: translateY(-2px) rotate(6deg);
  box-shadow: 0 8px 18px rgba(255, 107, 157, 0.22);
}

.menu-toggle {
  display: none;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 4px 6px 4px 14px;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.search-box:focus-within {
  border-color: var(--pink);
  box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.14);
}

.search-box input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.9rem;
  width: 130px;
  color: var(--ink);
  font-family: inherit;
}

.search-box input::placeholder {
  color: var(--ink-mute);
}

.search-box button {
  border: none;
  background: var(--grad-main);
  color: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.search-box button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(255, 107, 157, 0.3);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 56px;
  background: var(--grad-soft);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  pointer-events: none;
  animation: floatBlob 14s ease-in-out infinite;
}

.hero::before {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(255, 107, 157, 0.5), transparent 70%);
  top: -120px;
  right: -80px;
}

.hero::after {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.42), transparent 70%);
  bottom: -140px;
  left: -60px;
  animation-delay: -6s;
}

@keyframes floatBlob {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -22px, 0) scale(1.08);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.hero h1 .hl {
  color: var(--pink-dark);
  background: linear-gradient(120deg, var(--pink-dark), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .lead {
  font-size: 1.08rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.stat b {
  display: block;
  font-size: 1.7rem;
  color: var(--pink-dark);
  font-weight: 900;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--card);
  border: 1px solid var(--glass-border);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.banner:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(124, 92, 255, 0.24);
}

.slides {
  position: relative;
  height: 340px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transform: scale(1.04);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.slide.active {
  opacity: 1;
  transform: scale(1);
}

.slide svg {
  width: 100%;
  height: 100%;
  border-radius: 20px;
}

.banner-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.banner-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: 0;
  transition: width 0.3s var(--ease), background-color 0.3s var(--ease), transform 0.3s var(--ease);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.banner-dots button:hover {
  transform: scale(1.2);
}

.banner-dots button.active {
  background: var(--pink);
  width: 26px;
  border-radius: 6px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity 0.32s var(--ease);
  pointer-events: none;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
  border-color: var(--pink-light);
}

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

.card .ico {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--pink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.4rem;
  transition: transform 0.36s var(--ease), background-color 0.36s var(--ease);
}

.card:hover .ico {
  transform: rotate(-6deg) scale(1.1);
  background: var(--accent-soft);
}

.card h3 {
  font-size: 1.1rem;
}

.card p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.34s var(--ease), box-shadow 0.34s var(--ease), border-color 0.34s var(--ease);
  position: relative;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--pink-light);
}

.product-card .thumb {
  height: 170px;
  background: var(--pink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card .thumb svg {
  width: 100%;
  height: 100%;
  transition: transform 0.5s var(--ease);
}

.product-card:hover .thumb svg {
  transform: scale(1.06);
}

.product-card .body {
  padding: 20px;
}

.product-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--pink-dark);
  background: var(--pink-light);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  transition: background-color 0.28s var(--ease), color 0.28s var(--ease);
}

.product-card:hover .tag {
  background: var(--pink);
  color: #fff;
}

.product-card h3 {
  font-size: 1.05rem;
}

.product-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-list {
  list-style: none;
  margin: 0;
}

.about-list li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.about-list li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
}

.about-list .dot {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease), color 0.3s var(--ease);
}

.about-list li:hover .dot {
  background: var(--grad-main);
  color: #fff;
  transform: rotate(-8deg);
}

.about-list b {
  display: block;
  color: var(--ink);
  margin-bottom: 2px;
}

.about-list span {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.timeline {
  position: relative;
  padding-left: 26px;
  border-left: 2px dashed var(--line);
  margin-top: 10px;
}

.timeline .item {
  position: relative;
  margin-bottom: 24px;
  transition: transform 0.3s var(--ease);
}

.timeline .item:hover {
  transform: translateX(4px);
}

.timeline .item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--pink);
  border: 3px solid var(--card);
  box-shadow: 0 0 0 2px var(--pink-light);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.timeline .item:hover::before {
  transform: scale(1.3);
  background: var(--accent);
}

.timeline .year {
  font-weight: 900;
  color: var(--pink-dark);
}

.timeline .item p {
  margin-bottom: 0;
}

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

.scene {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
  position: relative;
  overflow: hidden;
}

.scene::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--grad-main);
  opacity: 0.08;
  transition: transform 0.45s var(--ease), opacity 0.45s var(--ease);
}

.scene:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
}

.scene:hover::after {
  transform: scale(1.8);
  opacity: 0.14;
}

.scene .num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--pink-light);
  line-height: 1;
  transition: color 0.3s var(--ease);
}

.scene:hover .num {
  color: var(--pink);
}

.scene h3 {
  margin-top: 8px;
}

.scene p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

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

.case {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
  position: relative;
}

.case::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  right: 18px;
  font-size: 3.4rem;
  line-height: 1;
  color: var(--pink-light);
  font-family: Georgia, serif;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.case:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
}

.case:hover::before {
  color: var(--pink);
  transform: scale(1.1);
}

.case .quote {
  font-size: 0.95rem;
  color: var(--ink);
  font-style: italic;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.case .who {
  display: flex;
  align-items: center;
  gap: 10px;
}

.case .avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex: none;
  transition: transform 0.3s var(--ease);
}

.case:hover .avatar {
  transform: scale(1.08) rotate(-6deg);
}

.case .who span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-main);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s var(--ease);
}

.article:hover {
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
  transform: translateY(-4px);
}

.article:hover::before {
  transform: scaleY(1);
}

.article .meta {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.article .meta span:first-child {
  color: var(--pink-dark);
  font-weight: 700;
}

.article h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  transition: color 0.26s var(--ease);
}

.article:hover h3 {
  color: var(--pink-dark);
}

.article p {
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.article .more {
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-block;
  transition: transform 0.26s var(--ease);
}

.article:hover .more {
  transform: translateX(4px);
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.faq-item:hover {
  border-color: var(--pink-light);
  box-shadow: 0 6px 20px rgba(255, 107, 157, 0.1);
}

.faq-item.open {
  border-color: var(--pink);
  box-shadow: var(--shadow);
}

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: inherit;
  transition: color 0.26s var(--ease);
}

.faq-q:hover {
  color: var(--pink-dark);
}

.faq-q .plus {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--pink-light);
  color: var(--pink-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  transition: transform 0.35s var(--ease), background-color 0.35s var(--ease), color 0.35s var(--ease);
}

.faq-item.open .plus {
  transform: rotate(45deg);
  background: var(--pink);
  color: #fff;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
  padding: 0 20px;
}

.faq-item.open .faq-a {
  max-height: 600px;
  padding-bottom: 18px;
}

.faq-a p {
  font-size: 0.93rem;
  margin: 0;
}

.howto {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
  overflow: hidden;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
}

.step .step-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin-bottom: 12px;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.step:hover .step-num {
  transform: rotate(-8deg) scale(1.08);
  box-shadow: 0 8px 18px rgba(255, 107, 157, 0.35);
}

.step h3 {
  font-size: 1.02rem;
}

.step p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
}

.contact-info:hover {
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
}

.contact-info dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 18px;
  font-size: 0.95rem;
}

.contact-info dt {
  font-weight: 700;
  color: var(--ink);
}

.contact-info dd {
  color: var(--ink-soft);
  margin: 0;
  word-break: break-word;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
}

.contact-form:hover {
  box-shadow: var(--shadow);
  border-color: var(--pink-light);
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--ink);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
  background: var(--bg);
  color: var(--ink);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--ink-mute);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--pink);
  background: var(--card);
  box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.14);
}

.form-row textarea {
  min-height: 110px;
  resize: vertical;
}

footer.site {
  background: #26262e;
  color: #cfcfd8;
  padding: 56px 0 24px;
  margin-top: 20px;
  position: relative;
  overflow: hidden;
}

footer.site::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-main);
}

footer.site a {
  color: #e7e7ee;
  transition: color 0.24s var(--ease), padding-left 0.24s var(--ease);
}

footer.site a:hover {
  color: var(--pink);
  text-decoration: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 14px;
  position: relative;
  padding-bottom: 8px;
}

.footer-grid h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
}

.footer-grid ul {
  list-style: none;
  margin: 0;
}

.footer-grid li {
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.footer-grid li a:hover {
  padding-left: 4px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: #a9a9b6;
  margin-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid #3d3d47;
  margin-top: 36px;
  padding-top: 20px;
  font-size: 0.82rem;
  color: #8f8f9c;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom a {
  color: #b7b7c4;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-main);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.9);
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  z-index: 90;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-top:hover {
  box-shadow: 0 14px 30px rgba(255, 107, 157, 0.45);
  transform: translateY(-3px) scale(1.05);
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 14px 0 0;
}

.breadcrumb a {
  color: var(--ink-soft);
  transition: color 0.22s var(--ease);
}

.breadcrumb a:hover {
  color: var(--pink-dark);
}

.breadcrumb span {
  color: var(--pink-dark);
  font-weight: 700;
}

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

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal:nth-child(2) { transition-delay: 0.06s; }
.reveal:nth-child(3) { transition-delay: 0.12s; }
.reveal:nth-child(4) { transition-delay: 0.18s; }
.reveal:nth-child(5) { transition-delay: 0.24s; }
.reveal:nth-child(6) { transition-delay: 0.3s; }

body.dark {
  --bg: #17171e;
  --bg-alt: #1d1d26;
  --card: #23232d;
  --ink: #f0f0f5;
  --ink-soft: #b0b0be;
  --ink-mute: #7d7d8c;
  --line: #34343f;
  --pink-light: #3a2a33;
  --pink-soft: #2a2028;
  --accent-soft: #2c2740;
  --glass: rgba(35, 35, 45, 0.62);
  --glass-border: rgba(255, 255, 255, 0.08);
  --grad-soft: linear-gradient(160deg, #2a1f28 0%, #241f33 55%, #17171e 100%);
  --grad-card: linear-gradient(145deg, rgba(58, 42, 51, 0.6), rgba(44, 39, 64, 0.5));
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.5);
}

body.dark header.site {
  background: rgba(23, 23, 30, 0.82);
}

body.dark .hero::before {
  opacity: 0.32;
}

body.dark .hero::after {
  opacity: 0.3;
}

body.dark .search-box,
body.dark .icon-btn,
body.dark .card,
body.dark .product-card,
body.dark .scene,
body.dark .case,
body.dark .article,
body.dark .faq-item,
body.dark .step,
body.dark .contact-info,
body.dark .contact-form,
body.dark .about-list li {
  background: var(--card);
}

body.dark .form-row input,
body.dark .form-row textarea {
  background: #17171e;
  color: var(--ink);
}

body.dark .form-row input:focus,
body.dark .form-row textarea:focus {
  background: #1d1d26;
}

body.dark footer.site {
  background: #121218;
}

body.dark .hero h1 .hl {
  background: linear-gradient(120deg, #ff8fb8, #a48cff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.dark .banner-dots button {
  background: rgba(255, 255, 255, 0.35);
}

body.dark .banner-dots button.active {
  background: var(--pink);
}

body.dark .timeline .item::before {
  border-color: var(--card);
}

@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;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-grid,
  .scene-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-grid,
  .howto {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .slides {
    height: 300px;
  }
  section {
    padding: 48px 0;
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--card);
    flex-direction: column;
    padding: 18px;
    gap: 14px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius) var(--radius);
    animation: menuDrop 0.3s var(--ease);
  }
  @keyframes menuDrop {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    width: 100%;
    padding: 8px 4px;
  }
  .menu-toggle {
    display: flex;
  }
  .search-box {
    display: none;
  }
  .feature-grid,
  .product-grid,
  .scene-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 44px 0 40px;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .hero .lead {
    font-size: 1rem;
  }
  .hero-stats {
    gap: 20px;
  }
  .stat b {
    font-size: 1.4rem;
  }
  .slides {
    height: 240px;
  }
  .banner {
    border-radius: 20px;
  }
  section {
    padding: 40px 0;
  }
  .section-head {
    margin-bottom: 28px;
  }
  .section-head h2 {
    font-size: 1.35rem;
  }
  .contact-info dl {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .contact-info dt {
    margin-top: 8px;
  }
  .back-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  .hero-actions {
    gap: 10px;
  }
}