/* roulang page: index */
/* ========== Design Variables ========== */
:root {
  --bg-primary: #0B1220;
  --bg-secondary: #111A2E;
  --bg-deep: #070C16;
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --accent-teal: #14B8A6;
  --accent-teal-light: #2DD4BF;
  --accent-amber: #D97706;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-bg-light: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.12);
  --glass-border-hover: rgba(255,255,255,0.2);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-lg: 0 20px 45px rgba(0,0,0,0.25);
  --shadow-hover: 0 24px 55px rgba(0,0,0,0.35);
  --glow-primary: 0 0 24px rgba(59,130,246,0.45);
  --glow-teal: 0 0 20px rgba(45,212,191,0.25);
  --transition: all 0.3s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --section-space: 100px;
  --section-space-mobile: 64px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-main);
  background: linear-gradient(160deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  color: var(--text-primary);
  line-height: 1.75;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
ul, ol {
  list-style: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--section-space) 0;
  position: relative;
}
.section-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
  border: none;
  margin: 0;
}

/* ========== Section Header / Masthead ========== */
.section-header {
  margin-bottom: 52px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-teal-light);
  background: rgba(20,184,166,0.1);
  border: 1px solid rgba(45,212,191,0.25);
  border-radius: var(--radius-pill);
  padding: 4px 16px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.section-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal-light);
  flex-shrink: 0;
}
.section-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}
.section-title-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent-teal-light));
  border-radius: var(--radius-pill);
  margin-top: 16px;
}

/* ========== Header / Navigation ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15,23,42,0.08);
  box-shadow: 0 2px 12px rgba(15,23,42,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
  flex-shrink: 0;
}
.logo-text {
  font-size: 19px;
  font-weight: 700;
  color: #0B1220;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.logo-text span {
  color: var(--primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: #334155;
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(37,99,235,0.06);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(37,99,235,0.1);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  display: flex;
  align-items: center;
  background: #F1F5F9;
  border-radius: var(--radius-pill);
  padding: 0 16px;
  height: 40px;
  width: 200px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
  background: #fff;
}
.search-box svg {
  flex-shrink: 0;
  opacity: 0.5;
}
.search-box input {
  border: none;
  background: transparent;
  padding: 0 0 0 10px;
  width: 100%;
  font-size: 14px;
  color: #0B1220;
}
.search-box input::placeholder {
  color: #94A3B8;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 10px 22px;
  box-shadow: 0 2px 12px rgba(37,99,235,0.3);
  transition: var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  box-shadow: 0 4px 20px rgba(37,99,235,0.45);
  transform: translateY(-2px);
}
.header-cta:active {
  transform: scale(0.97);
}
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: #F1F5F9;
  cursor: pointer;
  transition: var(--transition);
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: #0B1220;
  border-radius: 2px;
  margin: 2.5px 0;
  transition: var(--transition);
}
.burger:hover {
  background: #E2E8F0;
}
.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.burger.active span:nth-child(2) {
  opacity: 0;
}
.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: #ffffff;
  z-index: 1001;
  padding: 80px 28px 28px;
  flex-direction: column;
  gap: 4px;
  box-shadow: -12px 0 40px rgba(0,0,0,0.15);
  transform: translateX(100%);
  transition: transform 0.35s ease;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu .nav-link {
  display: block;
  padding: 14px 12px;
  font-size: 16px;
  border-radius: var(--radius-md);
  color: #0B1220;
}
.mobile-menu .nav-link:hover {
  background: #F1F5F9;
  color: var(--primary);
}
.mobile-menu .mobile-cta {
  margin-top: 24px;
  width: 100%;
  text-align: center;
}
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 14px 32px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  color: #fff;
  box-shadow: 0 0 24px rgba(59,130,246,0.45);
}
.btn-primary:hover {
  box-shadow: 0 0 38px rgba(59,130,246,0.6);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: scale(0.98);
  box-shadow: 0 0 16px rgba(59,130,246,0.3);
}
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}
.btn-ghost:active {
  transform: scale(0.98);
}
.btn-block {
  width: 100%;
}
.btn-teal {
  background: linear-gradient(135deg, #0F766E, #14B8A6);
  color: #fff;
  box-shadow: 0 0 20px rgba(20,184,166,0.3);
}
.btn-teal:hover {
  box-shadow: 0 0 30px rgba(20,184,166,0.45);
  transform: translateY(-2px);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  padding: 90px 0 70px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(11,18,32,0.92) 20%, rgba(17,26,46,0.72) 60%, rgba(11,18,32,0.88) 100%);
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(255,255,255,0.015) 20px, rgba(255,255,255,0.015) 21px),
    repeating-linear-gradient(90deg, transparent, transparent 20px, rgba(255,255,255,0.015) 20px, rgba(255,255,255,0.015) 21px);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 18px;
  margin-bottom: 56px;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.5px;
}
.hero-topbar-left strong {
  color: var(--accent-teal-light);
  font-weight: 600;
}
.hero-topbar-right {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 1px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero-content {
  max-width: 560px;
}
.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: #fff;
}
.hero-title .highlight {
  background: linear-gradient(120deg, #93C5FD, #2DD4BF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 34px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-tag {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
}
/* Hero Progress Card */
.hero-progress-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero-progress-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}
.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.progress-title {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}
.progress-badge {
  font-size: 12px;
  background: rgba(45,212,191,0.15);
  color: var(--accent-teal-light);
  border: 1px solid rgba(45,212,191,0.3);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
}
.progress-main {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}
.progress-ring-wrap {
  flex-shrink: 0;
}
.progress-ring {
  width: 110px;
  height: 110px;
}
.progress-ring .bg-circle {
  fill: none;
  stroke: rgba(255,255,255,0.1);
  stroke-width: 8;
}
.progress-ring .value-circle {
  fill: none;
  stroke: url(#gradient);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}
.progress-ring-text {
  font-size: 11px;
  fill: rgba(255,255,255,0.6);
  text-anchor: middle;
}
.progress-ring-num {
  font-size: 24px;
  fill: #fff;
  font-weight: 700;
  text-anchor: middle;
}
.progress-info {
  flex: 1;
}
.progress-info-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 4px;
}
.progress-info-value {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}
.progress-info-detail {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.progress-tiers {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.tier-item {
  text-align: center;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.tier-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.12);
}
.tier-item .tier-name {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2px;
}
.tier-item .tier-count {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.tier-item .tier-count small {
  font-size: 12px;
  font-weight: 400;
  color: rgba(255,255,255,0.4);
}

/* ========== Channel Nav Section ========== */
.channel-section {
  padding-top: 80px;
  padding-bottom: 60px;
}
.channel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.channel-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.channel-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}
.channel-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(20,184,166,0.2));
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.channel-info {
  flex: 1;
  min-width: 0;
}
.channel-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.channel-desc {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.channel-arrow {
  color: rgba(255,255,255,0.3);
  flex-shrink: 0;
  transition: var(--transition);
}
.channel-card:hover .channel-arrow {
  color: var(--accent-teal-light);
  transform: translateX(4px);
}

/* ========== Feature Cards ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: 0 20px 45px rgba(0,0,0,0.25);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.feature-card:hover {
  border-color: rgba(255,255,255,0.2);
  box-shadow: 0 24px 55px rgba(0,0,0,0.35);
  transform: translateY(-4px);
}
.feature-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.feature-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-teal-light);
  background: rgba(20,184,166,0.12);
  border: 1px solid rgba(45,212,191,0.25);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  letter-spacing: 0.5px;
}
.feature-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}
.feature-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.2), transparent);
  border: none;
  margin: 16px 0;
}
.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}
.feature-link {
  margin-top: 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.feature-link:hover {
  color: var(--accent-teal-light);
  gap: 10px;
}

/* ========== Scenario Section ========== */
.scenario-section {
  background: linear-gradient(180deg, transparent, rgba(17,26,46,0.4), transparent);
}
.scenario-grid {
  display: grid;
  gap: 28px;
}
.scenario-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.scenario-card:hover {
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.scenario-card.reverse {
  grid-template-columns: 1fr 1fr;
}
.scenario-card.reverse .scenario-img {
  order: 2;
}
.scenario-card.reverse .scenario-content {
  order: 1;
}
.scenario-img {
  position: relative;
  min-height: 260px;
  overflow: hidden;
}
.scenario-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.scenario-card:hover .scenario-img img {
  transform: scale(1.03);
}
.scenario-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(11,18,32,0.1) 0%, rgba(11,18,32,0.5) 100%);
}
.scenario-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-teal-light);
  background: rgba(11,18,32,0.6);
  border: 1px solid rgba(45,212,191,0.35);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.scenario-content {
  padding: 36px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.scenario-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.scenario-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
}
.scenario-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-light);
  transition: var(--transition);
}
.scenario-link:hover {
  color: var(--accent-teal-light);
  gap: 12px;
}

/* ========== Testimonial Section ========== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: var(--transition);
  position: relative;
  height: 100%;
}
.testimonial-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-teal), transparent);
  border-radius: var(--radius-pill);
}
.testimonial-card:hover {
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.testimonial-quote {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 20px;
  quotes: "\201C" "\201D";
}
.testimonial-quote::before {
  content: "\201C";
  font-size: 42px;
  font-weight: 800;
  display: block;
  line-height: 0.8;
  margin-bottom: 10px;
  color: rgba(45,212,191,0.5);
}
.testimonial-person {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 16px;
}
.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-role {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.testimonial-tag {
  font-size: 11px;
  background: rgba(20,184,166,0.15);
  color: var(--accent-teal-light);
  border: 1px solid rgba(45,212,191,0.3);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  white-space: nowrap;
}
.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-top: 6px;
}
.testimonial-stars svg {
  fill: #D97706;
}

/* ========== News / Content List ========== */
.news-section {
  background: linear-gradient(180deg, rgba(17,26,46,0.3), transparent);
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 16px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.news-item:hover {
  background: rgba(255,255,255,0.04);
}
.news-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(37,99,235,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.news-item-content {
  flex: 1;
  min-width: 0;
}
.news-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
  line-height: 1.5;
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item:hover .news-item-title {
  color: var(--primary-light);
}
.news-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.news-item-meta span+span {
  position: relative;
}
.news-item-meta span+span::before {
  content: "·";
  position: absolute;
  left: -8px;
  color: rgba(255,255,255,0.2);
}
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-sidebar-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.news-sidebar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-cloud .tag {
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  transition: var(--transition);
}
.tag-cloud .tag:hover {
  color: var(--accent-teal-light);
  border-color: rgba(45,212,191,0.3);
  background: rgba(20,184,166,0.1);
}
.sidebar-update-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sidebar-update-item {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}
.sidebar-update-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
}
.sidebar-update-item b {
  color: var(--text-primary);
  font-weight: 500;
}

/* ========== Pricing Section ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  height: 100%;
}
.pricing-card:hover {
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.pricing-card.featured {
  background: rgba(20,184,166,0.06);
  border: 1px solid rgba(45,212,191,0.3);
  box-shadow: 0 0 30px rgba(20,184,166,0.15);
  transform: scale(1.02);
}
.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: 0 0 45px rgba(20,184,166,0.25);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 600;
  background: linear-gradient(135deg, #0F766E, #14B8A6);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 5px 18px;
  box-shadow: 0 4px 16px rgba(20,184,166,0.3);
  white-space: nowrap;
}
.pricing-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.pricing-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.pricing-price .currency {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
}
.pricing-price .amount {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.pricing-price .unit {
  font-size: 14px;
  color: var(--text-muted);
}
.pricing-list {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.pricing-feature:last-child {
  border-bottom: none;
}
.pricing-feature::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(45,212,191,0.5);
  background: rgba(20,184,166,0.15);
  flex-shrink: 0;
  margin-top: 5px;
}
.pricing-feature.featured-feature::before {
  background: rgba(45,212,191,0.8);
  box-shadow: 0 0 8px rgba(45,212,191,0.4);
}
.pricing-cta {
  margin-top: 28px;
}

/* ========== FAQ Section ========== */
.faq-section {
  background: linear-gradient(180deg, transparent, rgba(17,26,46,0.3), transparent);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(255,255,255,0.16);
}
.faq-item.active {
  border-color: rgba(45,212,191,0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}
.faq-question:hover {
  color: var(--accent-teal-light);
}
.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.35s ease;
  color: var(--text-secondary);
}
.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-teal-light);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  opacity: 1;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  border-left: 2px solid rgba(45,212,191,0.4);
  padding-left: 16px;
}

/* ========== CTA Form Section ========== */
.cta-form-section {
  padding-bottom: var(--section-space);
  position: relative;
}
.cta-form-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 56px 40px;
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.cta-form-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 40px;
  right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}
.cta-form-card::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(45,212,191,0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-form-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 8px;
}
.cta-form-desc {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.cta-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-input {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  transition: var(--transition);
  width: 100%;
}
.form-input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
  background: rgba(255,255,255,0.08);
}
.form-input::placeholder {
  color: rgba(255,255,255,0.3);
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}
.form-textarea {
  min-height: 90px;
  resize: vertical;
}
.form-submit {
  grid-column: 1 / -1;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.form-submit .btn {
  min-width: 220px;
}
.form-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========== Footer ========== */
.site-footer {
  background: #070C16;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 20px;
}
.footer-brand .logo-text span {
  color: var(--accent-teal-light);
}
.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 18px;
  max-width: 300px;
}
.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent-teal));
  border-radius: var(--radius-pill);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent-teal-light);
  padding-left: 6px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-legal a {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-legal a:hover {
  color: var(--text-secondary);
}

/* ========== Animation ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animate-in {
  animation: fadeInUp 0.6s ease both;
}
.animate-delay-1 {
  animation-delay: 0.1s;
}
.animate-delay-2 {
  animation-delay: 0.2s;
}
.animate-delay-3 {
  animation-delay: 0.3s;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    order: -1;
    grid-column: 1 / -1;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-content {
    max-width: 100%;
  }
  .scenario-card {
    grid-template-columns: 1fr;
  }
  .scenario-card.reverse {
    grid-template-columns: 1fr;
  }
  .scenario-card.reverse .scenario-img {
    order: 1;
  }
  .scenario-card.reverse .scenario-content {
    order: 2;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .search-box {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .burger {
    display: flex;
  }
  .mobile-menu {
    display: flex;
  }
  .section {
    padding: var(--section-space-mobile) 0;
  }
  .section-title {
    font-size: 26px;
  }
  .hero {
    padding: 60px 0 50px;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-topbar {
    margin-bottom: 36px;
  }
  .channel-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    grid-column: auto;
    order: 0;
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
  .cta-form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .progress-tiers {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .scenario-content {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .progress-main {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .progress-info {
    text-align: center;
  }
  .cta-form-card {
    padding: 32px 20px;
  }
  .pricing-price .amount {
    font-size: 36px;
  }
  .tier-item .tier-count {
    font-size: 16px;
  }
}

@media (max-width: 360px) {
  .logo-text {
    font-size: 16px;
  }
  .progress-tiers {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 24px;
  }
}