```css
:root {
  --tad-paper: #FCFAF7;
  --tad-paper-2: #F7F3EC;
  --tad-ink: #334955;
  --tad-ink-2: #1A3A47;
  --tad-1: #FF6B6B;
  --tad-2: #FF8E53;
  --tad-3: #FFD93D;
  --tad-4: #6BCB77;
  --tad-5: #4ECDC4;
  --tad-6: #45B7D1;
  --tad-7: #7C83FD;
  --tad-8: #F7B2B7;
  --tad-9: #E85D75;
  --tad-border: rgba(51, 73, 85, 0.08);
  --tad-shadow: 0 8px 30px rgba(51, 73, 85, 0.07);
  --tad-shadow-lg: 0 20px 50px rgba(51, 73, 85, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  overflow-x: hidden;
  background: var(--tad-paper);
  color: var(--tad-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

::selection {
  background: var(--tad-3);
  color: var(--tad-ink-2);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--tad-paper);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--tad-5), var(--tad-7));
  border-radius: 99px;
  border: 2px solid var(--tad-paper);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 110px 0;
  position: relative;
}

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

.section:nth-child(even) {
  background: var(--tad-paper-2);
}

.section:nth-child(even)::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(51, 73, 85, 0.3) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.3;
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--tad-border);
  box-shadow: 0 4px 24px rgba(51, 73, 85, 0.04);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--tad-1), var(--tad-2), var(--tad-3), var(--tad-4), var(--tad-5), var(--tad-6), var(--tad-7), var(--tad-8), var(--tad-9));
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: transparent;
  background: linear-gradient(90deg, var(--tad-ink-2), var(--tad-6), var(--tad-7));
  -webkit-background-clip: text;
  background-clip: text;
}

.logo-icon {
  width: 42px;
  height: 42px;
  display: block;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Ccircle cx='20' cy='20' r='12' fill='%23FF6B6B'/%3E%3Ccircle cx='20' cy='20' r='7' fill='%23FFD93D'/%3E%3Cpath d='M31 16 C34 14 36 20 39 17' stroke='%2345B7D1' stroke-width='4' stroke-linecap='round' fill='none'/%3E%3Cpath d='M33 24 C36 23 39 28 42 25' stroke='%236BCB77' stroke-width='3' stroke-linecap='round' fill='none'/%3E%3C/svg%3E");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: drop-shadow(0 4px 8px rgba(255, 107, 107, 0.3));
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.main-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 100px;
  color: var(--tad-ink);
  transition: all 0.25s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  border-radius: 99px;
  background: var(--tad-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.main-nav a:nth-child(2)::after { background: var(--tad-9); }
.main-nav a:nth-child(3)::after { background: var(--tad-5); }
.main-nav a:nth-child(4)::after { background: var(--tad-7); }

.main-nav a:hover {
  color: var(--tad-1);
  background: rgba(255, 107, 107, 0.1);
}

.main-nav a:nth-child(2):hover {
  color: var(--tad-9);
  background: rgba(232, 93, 117, 0.1);
}

.main-nav a:nth-child(3):hover {
  color: var(--tad-5);
  background: rgba(78, 205, 196, 0.12);
}

.main-nav a:nth-child(4):hover {
  color: var(--tad-7);
  background: rgba(124, 131, 253, 0.12);
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  color: #fff !important;
  background: linear-gradient(120deg, var(--tad-6), var(--tad-7)) !important;
  box-shadow: 0 4px 16px rgba(124, 131, 253, 0.35);
  padding: 10px 22px;
  overflow: hidden;
}

.main-nav a.nav-cta:hover {
  color: #fff !important;
  background: linear-gradient(120deg, var(--tad-5), var(--tad-6)) !important;
  box-shadow: 0 8px 22px rgba(69, 183, 209, 0.4);
  transform: translateY(-2px);
}

.nav-cta::after {
  display: none;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
}

.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 3px;
  border-radius: 99px;
  transition: all 0.3s ease;
}

.menu-toggle::before {
  top: 16px;
  left: 9px;
  background: var(--tad-ink);
  box-shadow: 0 8px 0 var(--tad-6);
}

.menu-toggle::after {
  bottom: 16px;
  left: 9px;
  background: var(--tad-9);
}

.menu-toggle.open::before {
  top: 21px;
  left: 9px;
  box-shadow: none;
  transform: rotate(45deg);
  background: var(--tad-ink);
}

.menu-toggle.open::after {
  bottom: 20px;
  left: 9px;
  transform: rotate(-45deg);
  background: var(--tad-ink);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 90px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 90% 18%, rgba(69, 183, 209, 0.20) 0%, transparent 26%),
    radial-gradient(circle at 8% 85%, rgba(255, 142, 83, 0.22) 0%, transparent 22%),
    radial-gradient(circle at 30% 5%, rgba(255, 107, 107, 0.18) 0%, transparent 20%),
    radial-gradient(circle at 75% 80%, rgba(124, 131, 253, 0.18) 0%, transparent 22%),
    radial-gradient(rgba(51, 73, 85, 0.35) 1px, transparent 1px);
  background-color: var(--tad-paper);
  background-size: auto, auto, auto, auto, 28px 28px;
}

.hero > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 70px;
  width: 100%;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: floatBlob 16s ease-in-out infinite alternate;
}

.hero::before {
  width: 300px;
  height: 300px;
  top: 8%;
  right: -80px;
  background: radial-gradient(circle, rgba(69, 183, 209, 0.4), transparent 65%);
}

.hero::after {
  width: 340px;
  height: 340px;
  bottom: -80px;
  left: -90px;
  background: radial-gradient(circle, rgba(255, 142, 83, 0.35), transparent 65%);
  animation-delay: -8s;
  animation-direction: alternate-reverse;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-image {
  position: relative;
  z-index: 1;
  flex: 0 0 420px;
  border-radius: 55% 45% 42% 58% / 45% 55% 48% 52%;
  overflow: hidden;
  box-shadow: var(--tad-shadow-lg);
  transform: rotate(2deg);
  transition: transform 0.4s ease;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--tad-3), var(--tad-6));
  animation: bob 8s ease-in-out infinite;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(78, 205, 196, 0.14);
  color: var(--tad-5);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  border: 1px solid rgba(78, 205, 196, 0.25);
}

.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tad-5);
  box-shadow: 12px 0 0 -3px var(--tad-9), -12px 0 0 -3px var(--tad-3);
}

.hero h1 {
  font-size: clamp(2.9rem, 6.4vw, 5.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  background: linear-gradient(90deg, var(--tad-1), var(--tad-2), var(--tad-4), var(--tad-5), var(--tad-6), var(--tad-7));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.12rem;
  line-height: 1.8;
  opacity: 0.72;
  color: var(--tad-ink);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 100px;
  font-weight: 800;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.95rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--tad-1), var(--tad-9));
  box-shadow: 0 8px 22px rgba(232, 93, 117, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(232, 93, 117, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--tad-ink);
  color: var(--tad-ink);
}

.btn-outline:hover {
  background: var(--tad-ink);
  color: #fff;
}

.section-label {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(107, 203, 119, 0.15);
  color: var(--tad-4);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin-bottom: 14px;
}

.section-title {
  position: relative;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 900;
  color: var(--tad-ink-2);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-title::after {
  content: "";
  display: block;
  width: 70px;
  height: 6px;
  margin-top: 14px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--tad-1), var(--tad-3), var(--tad-5), var(--tad-7));
}

.section-desc {
  max-width: 640px;
  opacity: 0.7;
  margin-bottom: 44px;
  line-height: 1.7;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--tad-border);
  border-top: 5px solid transparent;
  border-radius: 36px 18px 36px 18px;
  padding: 30px 26px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: var(--tad-shadow);
}

.category-card:hover {
  transform: translateY(-8px) rotate(-0.4deg);
  box-shadow: var(--tad-shadow-lg);
  border-top-width: 8px;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 6px 16px rgba(51, 73, 85, 0.15);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--tad-ink);
  text-decoration: none;
  transition: all 0.3s ease;
}

.card-link::after {
  content: "↗";
  transition: transform 0.3s ease;
}

.category-card:hover .card-link {
  gap: 8px;
}

.card-link:hover {
  color: var(--tad-6);
}

.category-card:nth-child(1) { border-top-color: var(--tad-1); }
.category-card:nth-child(1) .card-icon { background: linear-gradient(135deg, var(--tad-1), var(--tad-9)); }
.category-card:nth-child(2) { border-top-color: var(--tad-2); }
.category-card:nth-child(2) .card-icon { background: linear-gradient(135deg, var(--tad-2), var(--tad-3)); }
.category-card:nth-child(3) { border-top-color: var(--tad-4); }
.category-card:nth-child(3) .card-icon { background: linear-gradient(135deg, var(--tad-4), var(--tad-5)); }
.category-card:nth-child(4) { border-top-color: var(--tad-5); }
.category-card:nth-child(4) .card-icon { background: linear-gradient(135deg, var(--tad-5), var(--tad-6)); }
.category-card:nth-child(5) { border-top-color: var(--tad-6); }
.category-card:nth-child(5) .card-icon { background: linear-gradient(135deg, var(--tad-6), var(--tad-7)); }
.category-card:nth-child(6) { border-top-color: var(--tad-7); }
.category-card:nth-child(6) .card-icon { background: linear-gradient(135deg, var(--tad-7), var(--tad-8)); }
.category-card:nth-child(7) { border-top-color: var(--tad-8); }
.category-card:nth-child(7) .card-icon { background: linear-gradient(135deg, var(--tad-8), var(--tad-9)); }
.category-card:nth-child(8) { border-top-color: var(--tad-3); }
.category-card:nth-child(8) .card-icon { background: linear-gradient(135deg, var(--tad-1), var(--tad-3)); }
.category-card:nth-child(9) { border-top-color: var(--tad-7); }
.category-card:nth-child(9) .card-icon { background: linear-gradient(135deg, var(--tad-4), var(--tad-7)); }

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.feature-image {
  position: relative;
  border-radius: 50% 35% 45% 60% / 50% 60% 40% 55%;
  overflow: hidden;
  box-shadow: var(--tad-shadow-lg);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(78, 205, 196, 0.1), transparent 40%);
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.02rem;
}

.feature-list li::before {
  content: "";
  flex: 0 0 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--tad-4);
  box-shadow: 0 0 0 5px rgba(107, 203, 119, 0.15);
}

.feature-list li:nth-child(2)::before {
  background: var(--tad-6);
  box-shadow: 0 0 0 5px rgba(69, 183, 209, 0.15);
}

.feature-list li:nth-child(3)::before {
  background: var(--tad-9);
  box-shadow: 0 0 0 5px rgba(232, 93, 117, 0.15);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.stat-item {
  position: relative;
  padding: 30px 20px;
  background: #fff;
  border: 1px solid var(--tad-border);
  border-radius: 3rem 1.4rem 3rem 1.4rem;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--tad-shadow);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--tad-shadow-lg);
}

.stat-item::before {
  content: "";
  position: absolute;
  top: -16px;
  right: -16px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--tad-3);
  opacity: 0.25;
}

.stat-item:nth-child(2)::before { background: var(--tad-6); opacity: 0.2; }
.stat-item:nth-child(3)::before { background: var(--tad-1); opacity: 0.2; }
.stat-item:nth-child(4)::before { background: var(--tad-7); opacity: 0.2; }

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--tad-6), var(--tad-7));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-item:nth-child(2) .stat-number {
  background: linear-gradient(135deg, var(--tad-9), var(--tad-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-item:nth-child(3) .stat