/* =========================================================
   Static UI clone stylesheet
   Sections mirror the reference page while using original
   placeholder content and no direct communication channels.
   ========================================================= */

:root {
  --primary: #1a6ef0;
  --primary-dark: #1558c0;
  --primary-light: #4d8ff5;
  --secondary: #ff6b35;
  --accent: #f0a030;
  --success: #10b981;
  --dark: #1a1a2e;
  --gray-900: #1f2937;
  --gray-800: #2d3748;
  --gray-700: #4a5568;
  --gray-600: #718096;
  --gray-500: #a0aec0;
  --gray-400: #cbd5e0;
  --gray-300: #e2e8f0;
  --gray-200: #edf2f7;
  --gray-100: #f7fafc;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, .12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, .15);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all .3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--gray-100);
  color: var(--gray-800);
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-md);
  color: #fff;
  transform: translateY(-1px);
}

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

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

.btn-sm {
  padding: 6px 16px;
  font-size: .85rem;
}

.btn-lg {
  border-radius: var(--radius);
  padding: 14px 32px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

.btn-hero {
  border-radius: 50px;
  padding: 16px 40px;
  background: linear-gradient(135deg, var(--secondary), #e85d2c);
  box-shadow: 0 6px 20px rgba(255, 107, 53, .4);
  color: #fff;
  font-size: 1.1rem;
  letter-spacing: .5px;
}

.btn-hero:hover {
  box-shadow: 0 10px 30px rgba(255, 107, 53, .5);
  color: #fff;
  transform: translateY(-2px);
}

.btn-hero-outline {
  border: 2px solid rgba(255, 255, 255, .4);
  border-radius: 50px;
  padding: 15px 36px;
  background: rgba(255, 255, 255, .15);
  color: #fff;
  font-size: 1.05rem;
  backdrop-filter: blur(4px);
}

.btn-hero-outline:hover {
  background: rgba(255, 255, 255, .25);
  color: #fff;
}

/* Header */
.header-top-bar {
  padding: 6px 0;
  background: var(--dark);
  color: rgba(255, 255, 255, .85);
  font-size: .82rem;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-top-inner nav {
  display: flex;
  gap: 18px;
}

.header-top-inner a {
  color: rgba(255, 255, 255, .82);
}

.header-top-inner a:hover {
  color: #fff;
}

.header-main {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 90px;
  padding: 12px 0;
}

.site-branding {
  display: inline-flex;
  align-items: center;
  min-width: 178px;
}

.site-branding img {
  width: 176px;
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
}

.nav-menu .menu-item a {
  display: block;
  border: 2px solid transparent;
  border-radius: 50px;
  padding: 12px 22px;
  background: transparent;
  color: var(--gray-700);
  font-size: .95rem;
  font-weight: 500;
}

.nav-menu .menu-item a:hover,
.nav-menu .current-menu-item a {
  border-color: rgba(26, 110, 240, .2);
  background: linear-gradient(135deg, rgba(26, 110, 240, .08), rgba(26, 110, 240, .12));
  box-shadow: 0 4px 12px rgba(26, 110, 240, .15);
  color: var(--primary);
  transform: translateY(-2px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-order {
  border-radius: 50px;
  padding: 8px 22px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
}

.btn-header-order:hover {
  box-shadow: var(--shadow-md);
  color: #fff;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: 0;
  background: none;
  padding: 6px;
}

.menu-bar {
  width: 26px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--gray-800);
  transition: var(--transition);
}

.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: -320px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  width: 300px;
  height: 100vh;
  overflow: hidden;
  border-radius: 24px 0 0 24px;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  box-shadow: var(--shadow-xl);
  transition: right .35s ease;
}

.mobile-menu-panel.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 24px;
  background: linear-gradient(135deg, #f8fafc, #fff);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
}

.mobile-menu-title {
  color: var(--dark);
  font-size: 1.1rem;
  font-weight: 800;
}

.mobile-menu-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--gray-600);
  font-size: 2rem;
  transition: var(--transition);
}

.mobile-menu-close:hover {
  background: rgba(26, 110, 240, .1);
  color: var(--primary);
  transform: rotate(90deg);
}

.mobile-navigation {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.mobile-nav-menu,
.mobile-nav-menu li {
  min-width: 0;
  overflow: hidden;
}

.mobile-nav-menu a {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0;
  border-radius: 16px;
  padding: 14px 18px;
  color: var(--gray-800);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}

.mobile-nav-menu a:hover,
.mobile-nav-menu .current-menu-item a {
  background: linear-gradient(135deg, rgba(26, 110, 240, .08), rgba(26, 110, 240, .12));
  box-shadow: 0 4px 15px rgba(26, 110, 240, .12);
  color: var(--primary);
  transform: translateX(4px);
}

.mobile-nav-menu .current-menu-item a {
  transform: none;
}

.menu-icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(26, 110, 240, .08), rgba(26, 110, 240, .12));
  box-shadow: 0 2px 8px rgba(26, 110, 240, .08);
  color: var(--primary);
}

.mobile-menu-footer {
  border-top: 1px solid var(--gray-200);
  padding: 20px 18px;
  background: #fff;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(0, 0, 0, .5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  min-height: 580px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a6ef0 0%, #4d8ff5 30%, #ff6b35 60%, #f0a030 100%);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}

.slide-item {
  position: absolute;
  inset: 0;
  display: none;
}

.slide-item.active {
  display: block;
}

.hero-bg {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 580px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a6ef0 0%, #4d8ff5 30%, #ff6b35 60%, #f0a030 100%);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}

.hero-bg-alt {
  background: linear-gradient(135deg, #1558c0 0%, #1a6ef0 32%, #10b981 66%, #f0a030 100%);
  background-size: 400% 400%;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .28) 0%, rgba(0, 0, 0, .08) 100%);
}

.hero-align-center {
  justify-content: center;
  text-align: center;
}

.hero-bubbles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, .15);
  transform: translateZ(0);
  will-change: transform;
}

.bubble-1 {
  top: 10%;
  left: -50px;
  width: 300px;
  height: 300px;
  animation: bubbleFloat1 6s ease-in-out infinite;
}

.bubble-2 {
  top: 20%;
  right: 10%;
  width: 200px;
  height: 200px;
  animation: bubbleFloat2 7s ease-in-out infinite;
}

.bubble-3 {
  bottom: 15%;
  left: 25%;
  width: 150px;
  height: 150px;
  animation: bubbleFloat3 5s ease-in-out infinite;
}

.bubble-4 {
  right: 15%;
  bottom: 10%;
  width: 220px;
  height: 220px;
  animation: bubbleFloat4 8s ease-in-out infinite;
}

@keyframes bubbleFloat1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-50px); }
}

@keyframes bubbleFloat2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(40px); }
}

@keyframes bubbleFloat3 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-35px); }
}

@keyframes bubbleFloat4 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(30px); }
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 700px;
  margin: 0 auto;
  padding: 100px 0;
}

.hero-title {
  margin-bottom: 20px;
  color: #fff;
  font-size: 4.2rem;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.2;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
}

.hero-subtitle {
  display: inline-block;
  margin-bottom: 12px;
  border-radius: 50px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .95);
  font-size: 1.25rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.hero-desc {
  max-width: 550px;
  margin: 0 auto 36px;
  color: rgba(255, 255, 255, .88);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.slider-prev,
.slider-next {
  position: absolute;
  top: 50%;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .85);
  box-shadow: var(--shadow-md);
  color: var(--gray-800);
  font-size: 1.6rem;
  transform: translateY(-50%);
  transition: var(--transition);
}

.slider-prev:hover,
.slider-next:hover {
  background: #fff;
}

.slider-prev {
  left: 16px;
}

.slider-next {
  right: 16px;
}

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  z-index: 20;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}

.dot {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .5);
  transition: var(--transition);
}

.dot.active {
  background: #fff;
}

.hero-stats {
  padding: 24px 0;
  background: #fff;
  box-shadow: var(--shadow-md);
}

.stats-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.stat-item {
  min-width: 140px;
  border-radius: 12px;
  padding: 20px 30px;
  background: linear-gradient(135deg, rgba(26, 110, 240, .05), rgba(77, 143, 245, .05));
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  box-shadow: 0 8px 20px rgba(26, 110, 240, .15);
  transform: translateY(-4px);
}

.stat-number {
  display: block;
  background: linear-gradient(135deg, #1a6ef0 0%, #4d8ff5 100%);
  background-clip: text;
  color: transparent;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--gray-600);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .5px;
}

/* Shared sections */
.section-header {
  margin-bottom: 48px;
  text-align: center;
}

.section-title {
  margin-bottom: 10px;
  color: var(--dark);
  font-size: 2rem;
  font-weight: 800;
}

.section-subtitle {
  max-width: 600px;
  margin: 0 auto;
  color: var(--gray-600);
  font-size: 1rem;
}

.section-footer {
  margin-top: 36px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 14px;
  border-radius: 50px;
  padding: 6px 14px;
  background: rgba(26, 110, 240, .1);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
}

.advantages-section {
  padding: 80px 0;
  background: #fff;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 36px 24px;
  background: var(--gray-100);
  text-align: center;
  transition: var(--transition);
  will-change: transform;
}

.advantage-card:hover {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 18px 36px rgba(26, 110, 240, .14);
  transform: translateY(-8px);
}

.advantage-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 28%, #f8fbff 0, #d9eaff 42%, #c8dcff 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), 0 12px 24px rgba(26, 110, 240, .14);
  color: var(--primary);
  transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .95), 0 18px 30px rgba(26, 110, 240, .22);
  transform: translateY(-4px) scale(1.08);
}

.advantage-svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
  filter: drop-shadow(0 6px 8px rgba(26, 110, 240, .18));
}

.advantage-card h3 {
  margin-bottom: 8px;
  color: var(--gray-900);
  font-size: 1.1rem;
}

.advantage-card p {
  color: var(--gray-600);
  font-size: .9rem;
  line-height: 1.6;
}

/* Core advantages */
.core-advantages-section {
  padding: 80px 0 88px;
  background: #fff;
}

.core-advantages-section .section-header {
  margin-bottom: 52px;
}

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

.core-advantage-card {
  position: relative;
  overflow: hidden;
  min-height: 398px;
  border: 1px solid rgba(226, 232, 240, .86);
  border-radius: 10px;
  background: #fff;
  padding: 24px 20px 28px;
  box-shadow: 0 18px 38px rgba(15, 23, 42, .08);
  transition: var(--transition);
  will-change: transform;
}

.core-advantage-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #22c55e);
}

.core-advantage-card:hover {
  border-color: rgba(26, 110, 240, .25);
  box-shadow: 0 24px 44px rgba(15, 23, 42, .13);
  transform: translateY(-8px);
}

.core-advantage-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, #e6f8ff, #ddf2ff);
  color: var(--primary);
  transition: var(--transition);
}

.core-advantage-card:hover .core-advantage-icon {
  background: linear-gradient(135deg, #dbeafe, #dcfce7);
  box-shadow: 0 16px 28px rgba(26, 110, 240, .2);
  transform: translateY(-4px) scale(1.08);
}

.core-advantage-svg {
  width: 31px;
  height: 31px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.core-advantage-card h3 {
  margin-bottom: 22px;
  color: var(--gray-900);
  font-size: 1.14rem;
  font-weight: 800;
  text-align: center;
}

.core-advantage-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.core-advantage-list li {
  position: relative;
  padding-left: 18px;
  color: var(--gray-600);
  font-size: .92rem;
  line-height: 1.6;
}

.core-advantage-list li::before {
  content: "";
  position: absolute;
  top: .78em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 110, 240, .1);
}

/* Product cards */
.products-section {
  padding: 80px 0;
  background: var(--gray-100);
}

.products-section .section-header {
  margin-bottom: 48px;
}

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

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 620px;
  border-radius: 16px;
  border: 1px solid #f0f0f0;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
  transition: var(--transition);
}

.plan-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
  transform: translateY(-4px);
}

.plan-card[hidden] {
  display: none;
}

.plan-card-thumb {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  height: auto;
  flex: 0 0 auto;
  overflow: hidden;
  background: var(--gray-100);
}

.plan-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.plan-card:hover .plan-card-thumb img {
  transform: scale(1.05);
}

.plan-badge {
  position: absolute;
  top: 12px;
  right: 16px;
  left: auto;
  z-index: 2;
  border-radius: 8px;
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: .82rem;
  font-weight: 800;
}

.plan-card-content-wrap {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.plan-card-header {
  padding: 20px 24px 12px;
  text-align: center;
  flex-shrink: 0;
}

.plan-card-title {
  min-height: 52px;
  margin-bottom: 12px;
  color: var(--gray-900);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
}

.plan-card-title a {
  color: inherit;
}

.plan-card-title a:hover {
  color: var(--primary);
}

.plan-card-price-wrap {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  padding: 8px 0;
  color: var(--secondary);
  font-weight: 800;
  flex-shrink: 0;
}

.plan-card-price strong {
  font-size: 2.5rem;
  line-height: 1;
}

.plan-card-summary {
  display: flex;
  flex: 1;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 24px 8px;
  text-align: left;
}

.plan-card-summary p {
  display: -webkit-box;
  overflow: hidden;
  color: var(--gray-600);
  font-size: .9rem;
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.plan-card-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-shrink: 0;
  margin-top: 0;
  padding: 12px 24px 24px;
}

.btn-plan-detail,
.btn-plan-purchase {
  min-width: 110px;
  min-height: 49px;
  border-radius: 10px;
  padding: 10px 16px;
}

/* Partners */
.partners-section {
  scroll-margin-top: 110px;
  padding: 60px 0;
  background: #fff;
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.partner-item {
  width: 140px;
  height: 50px;
}

.partner-item img {
  display: block;
  width: 140px;
  height: 50px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  object-fit: contain;
  filter: grayscale(.2);
  opacity: .85;
  transition: var(--transition);
}

.partner-item:hover img {
  filter: grayscale(0);
  opacity: 1;
}

.cta-section {
  padding: 79px 0;
  background: linear-gradient(135deg, #0f1b3d, #1a3a6b);
  color: #fff;
  text-align: center;
}

.cta-content h2 {
  margin-bottom: 12px;
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
}

.cta-content p {
  margin-bottom: 28px;
  color: rgba(255, 255, 255, .78);
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .75);
}

.footer-widgets {
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.2fr;
  gap: 32px;
  min-height: 402px;
}

.footer-logo {
  width: 176px;
  margin-bottom: 14px;
}

.footer-intro,
.footer-desc {
  max-width: 430px;
  color: rgba(255, 255, 255, .88);
  font-size: 1rem;
  line-height: 1.85;
}

.footer-intro {
  margin-bottom: 16px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  padding: 12px 0;
}

.footer-col-title {
  position: relative;
  margin-bottom: 18px;
  padding-bottom: 10px;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
}

.footer-col-title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--secondary);
  content: "";
}

.footer-menu li {
  margin-bottom: 8px;
}

.footer-menu a {
  color: rgba(255, 255, 255, .65);
  font-size: .85rem;
}

.footer-menu a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-hot-plans {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-hot-plan-item {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, .06);
  transition: var(--transition);
}

.footer-hot-plan-item:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateX(4px);
}

.hot-plan-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(26, 110, 240, .2), rgba(26, 110, 240, .1));
  color: var(--primary-light);
}

.hot-plan-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hot-plan-title {
  color: rgba(255, 255, 255, .85);
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.3;
}

.hot-plan-price {
  color: var(--secondary);
  font-size: .8rem;
  font-weight: 800;
}

.footer-business-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-business-links a {
  border-radius: 20px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, .05);
  color: rgba(255, 255, 255, .72);
  font-size: .85rem;
  transition: var(--transition);
}

.footer-business-links a:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(255, 255, 255, .6);
  font-size: .8rem;
}

.footer-sitemap-link {
  color: rgba(255, 255, 255, .5);
}

.footer-sitemap-link:hover {
  color: #fff;
}

/* Mobile fixed tools */
.mobile-bottom-bar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 999;
  display: none;
  padding: 6px 0 max(6px, env(safe-area-inset-bottom));
  background: #fff;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, .1);
}

.mbb-item {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  padding: 6px 2px;
  color: var(--gray-500);
  font-size: .7rem;
}

.mbb-item span:first-child {
  font-size: 1.1rem;
  line-height: 1;
}

.mbb-item.active {
  color: var(--primary);
}

.floating-tools {
  position: fixed;
  right: 20px;
  bottom: 120px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.back-to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 20px rgba(26, 110, 240, .35);
  color: #fff;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

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

.back-to-top:hover {
  box-shadow: 0 6px 25px rgba(26, 110, 240, .45);
  transform: translateY(-4px);
}

.back-to-top small {
  font-size: .65rem;
  font-weight: 700;
}

.app-reveal {
  opacity: 1;
  transform: none;
  transition: opacity .6s ease, transform .6s ease;
}

.app-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .app-reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1024px) {
  .header-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .core-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .core-advantage-card {
    min-height: 340px;
  }

  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .container {
    width: 100%;
    padding: 0 16px;
  }

  .header-top-bar {
    display: none;
  }

  .header-inner {
    min-height: 56px;
    padding: 10px 0;
  }

  .site-branding {
    min-width: 120px;
  }

  .site-branding img {
    width: 132px;
  }

  .main-navigation {
    display: none;
  }

  .hero-slider,
  .hero-bg {
    min-height: 580px;
  }

  .hero-content {
    padding: 60px 0;
  }

  .hero-title {
    font-size: 4.2rem;
  }

  .hero-subtitle {
    font-size: .95rem;
  }

  .hero-desc {
    font-size: .95rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero-actions .btn {
    width: min(100%, 240px);
  }

  .slider-prev,
  .slider-next {
    display: none;
  }

  .hero-stats {
    padding: 16px 0;
  }

  .stats-grid {
    gap: 10px;
  }

  .stat-item {
    min-width: 0;
    flex: 1;
    padding: 14px 10px;
    border-radius: 8px;
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .stat-label {
    margin-top: 6px;
    font-size: .7rem;
    letter-spacing: 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .advantages-section,
  .core-advantages-section,
  .products-section {
    padding: 48px 0;
  }

  .core-advantages-section .section-header {
    margin-bottom: 36px;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .advantage-card {
    padding: 24px 14px;
  }

  .advantage-icon {
    width: 48px;
    height: 48px;
  }

  .advantage-svg {
    width: 25px;
    height: 25px;
  }

  .core-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .core-advantage-card {
    min-height: auto;
    padding: 24px 18px;
  }

  .core-advantage-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 18px;
  }

  .core-advantage-svg {
    width: 27px;
    height: 27px;
  }

  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .plan-card-header {
    padding: 16px 14px 8px;
  }

  .plan-card-actions {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
  }

  .partners-grid {
    gap: 20px;
  }

  .partner-item,
  .partner-item img {
    width: 100px;
    height: 36px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .cta-content h2 {
    font-size: 1.5rem;
  }

  .footer-widgets {
    padding: 40px 0 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    min-height: 0;
  }

  .footer-desc {
    max-width: 100%;
  }

  .footer-col-nav .footer-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .footer-col-nav .footer-menu li {
    margin-bottom: 0;
  }

  .footer-col-nav .footer-menu a {
    display: block;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 8px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, .06);
    text-align: center;
  }

  .footer-col-nav .footer-menu a:hover {
    padding-left: 14px;
    background: rgba(255, 255, 255, .1);
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .mobile-bottom-bar {
    display: flex;
  }

  .site-footer {
    padding-bottom: 70px;
  }

  .floating-tools {
    right: 12px;
    bottom: 90px;
  }

  .back-to-top {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero-slider,
  .hero-bg {
    min-height: 580px;
  }

  .hero-title {
    font-size: 4.2rem;
  }

  .hero-actions .btn {
    max-width: 240px;
  }

  .advantages-grid,
  .core-advantages-grid,
  .app-features,
  .plans-grid {
    grid-template-columns: 1fr;
  }

  .plan-card-thumb {
    height: 200px;
  }

  .mobile-menu-panel {
    width: 280px;
  }

  .footer-hot-plan-item {
    padding: 14px 16px;
  }
}