/* 文件路径：assets/css/style.css */

:root {
  --color-bg: #0a0a0a;
  --color-bg-soft: #11131d;
  --color-surface: rgba(18, 22, 36, 0.82);
  --color-surface-strong: rgba(12, 15, 26, 0.92);
  --color-card-dark: rgba(15, 18, 31, 0.88);
  --color-card-light: rgba(245, 247, 255, 0.96);
  --color-text: #f4f7ff;
  --color-text-muted: #aeb7d4;
  --color-text-dark: #151826;
  --color-border: rgba(122, 145, 255, 0.2);
  --color-border-strong: rgba(0, 240, 255, 0.34);
  --color-primary: #2d5bff;
  --color-secondary: #7b3fff;
  --color-accent: #ff2e88;
  --color-cyan: #00f0ff;
  --color-success: #6df7c1;
  --gradient-primary: linear-gradient(135deg, #2d5bff 0%, #7b3fff 55%, #ff2e88 100%);
  --gradient-alt: linear-gradient(135deg, #00f0ff 0%, #2d5bff 100%);
  --gradient-dark: radial-gradient(circle at top, rgba(45, 91, 255, 0.28), transparent 35%),
    radial-gradient(circle at 85% 20%, rgba(123, 63, 255, 0.22), transparent 28%),
    radial-gradient(circle at 20% 80%, rgba(255, 46, 136, 0.16), transparent 24%),
    linear-gradient(180deg, #0b0d14 0%, #090910 100%);
  --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow-blue: 0 0 0 1px rgba(45, 91, 255, 0.3), 0 0 28px rgba(45, 91, 255, 0.28);
  --shadow-glow-cyan: 0 0 0 1px rgba(0, 240, 255, 0.26), 0 0 28px rgba(0, 240, 255, 0.22);
  --shadow-glow-pink: 0 0 0 1px rgba(255, 46, 136, 0.28), 0 0 32px rgba(255, 46, 136, 0.2);
  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container-width: 1200px;
  --header-height: 86px;
  --transition: 0.3s ease;
  --font-display: "Orbitron", "Space Grotesk", "Arial", sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--gradient-dark);
  color: var(--color-text);
  line-height: 1.65;
  min-width: 320px;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.38), transparent 85%);
  pointer-events: none;
  opacity: 0.28;
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 10%, rgba(0, 240, 255, 0.12), transparent 18%),
    radial-gradient(circle at 90% 12%, rgba(123, 63, 255, 0.14), transparent 18%),
    radial-gradient(circle at 50% 85%, rgba(255, 46, 136, 0.08), transparent 22%);
  pointer-events: none;
  z-index: -1;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition), opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
}

p,
li {
  color: var(--color-text-muted);
  font-size: 1rem;
}

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 1rem;
  color: var(--color-text);
  line-height: 1.1;
  font-weight: 700;
}

h1,
.display-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  font-size: clamp(2.9rem, 7vw, 5.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: 0.04em;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

small,
.meta,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-cyan);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  position: relative;
  padding: 88px 0;
}

.section-tight {
  padding: 64px 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-title {
  margin-bottom: 0.9rem;
}

.section-subtitle {
  max-width: 680px;
  font-size: 1.05rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.stack-sm {
  gap: 0.8rem;
}

.stack-lg {
  gap: 1.8rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  align-items: center;
}

.split-reverse {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.centered {
  text-align: center;
}

.surface-panel {
  position: relative;
  background: rgba(12, 15, 26, 0.6);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.glow-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.9), rgba(123, 63, 255, 0.9), transparent);
  opacity: 0.7;
}

.kicker-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.8);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 240, 255, 0.35);
  background: rgba(9, 12, 22, 0.78);
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-glow-blue);
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(45, 91, 255, 0.22), rgba(123, 63, 255, 0.18), rgba(255, 46, 136, 0.2));
  opacity: 0.9;
}

.btn span,
.btn strong {
  position: relative;
  z-index: 1;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.36), 0 0 40px rgba(45, 91, 255, 0.34);
}

.btn-secondary {
  border-color: rgba(255, 46, 136, 0.3);
  box-shadow: var(--shadow-glow-pink);
}

.btn-secondary::before {
  background: linear-gradient(135deg, rgba(123, 63, 255, 0.18), rgba(255, 46, 136, 0.26));
}

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

.btn-ghost::before {
  background: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 36px;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(13, 20, 37, 0.75);
  border: 1px solid rgba(0, 240, 255, 0.22);
  color: var(--color-cyan);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card,
.card-dark,
.card-light {
  position: relative;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card,
.card-dark {
  background: linear-gradient(180deg, rgba(17, 20, 33, 0.95), rgba(10, 12, 20, 0.95));
  color: var(--color-text);
  border: 1px solid rgba(0, 240, 255, 0.14);
  box-shadow: var(--shadow-soft);
}

.card-light {
  background: linear-gradient(180deg, rgba(248, 249, 255, 0.98), rgba(236, 240, 252, 0.98));
  color: var(--color-text-dark);
  border: 1px solid rgba(45, 91, 255, 0.12);
  box-shadow: 0 18px 36px rgba(5, 10, 25, 0.12);
}

.card-light h2,
.card-light h3,
.card-light h4,
.card-light p,
.card-light li,
.card-light .meta,
.card-light .eyebrow,
.card-light .stat-label,
.card-light .table-caption,
.card-light label {
  color: var(--color-text-dark);
}

.card:hover,
.card-dark:hover,
.card-light:hover {
  transform: translateY(-6px);
}

.card:hover,
.card-dark:hover {
  border-color: rgba(0, 240, 255, 0.28);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.16), 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 28px rgba(45, 91, 255, 0.18);
}

.card::after,
.card-dark::after,
.card-light::after {
  content: "";
  position: absolute;
  inset: auto -20% -50% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 91, 255, 0.22), transparent 70%);
  pointer-events: none;
}

.card-label {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--color-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.card-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}

.card-light .card-price {
  color: var(--color-primary);
}

.hero {
  position: relative;
  min-height: calc(100vh - 24px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 48px) 0 72px;
  overflow: hidden;
  background-color: var(--color-bg);
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(0, 240, 255, 0.12), transparent 22%),
    linear-gradient(180deg, rgba(5, 7, 15, 0.36), rgba(5, 7, 15, 0.82)),
    linear-gradient(90deg, rgba(8, 10, 20, 0.9) 0%, rgba(8, 10, 20, 0.52) 45%, rgba(8, 10, 20, 0.78) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto auto 10% 10%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 63, 255, 0.25), transparent 68%);
  filter: blur(22px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-title {
  margin-bottom: 1rem;
  text-shadow: 0 0 26px rgba(45, 91, 255, 0.25);
}

.hero-text {
  max-width: 620px;
  font-size: 1.12rem;
  margin-bottom: 1.7rem;
}

.hero-panel {
  position: relative;
  z-index: 1;
  padding: 1.2rem 1.4rem;
  max-width: 360px;
  margin-top: 2rem;
}

.page-hero {
  padding-top: calc(var(--header-height) + 44px);
  padding-bottom: 56px;
}

.page-hero-inner {
  padding: 2.4rem;
}

.page-hero p {
  max-width: 720px;
}

.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  min-height: 280px;
  background: rgba(12, 15, 26, 0.84);
  border: 1px solid rgba(0, 240, 255, 0.16);
  box-shadow: var(--shadow-soft);
}

.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 15, 0) 45%, rgba(5, 7, 15, 0.28) 100%);
  z-index: 1;
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s ease;
}

.image-frame:hover img {
  transform: scale(1.05);
}

.image-frame.tall {
  min-height: 420px;
}

.image-frame.square {
  aspect-ratio: 1 / 1;
  min-height: 0;
}

.image-frame.wide {
  aspect-ratio: 16 / 9;
  min-height: 0;
}

.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card .image-frame {
  margin-bottom: 1.25rem;
  min-height: 240px;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.7rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.product-tag {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.collection-banner,
.cta-banner,
.feature-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 240, 255, 0.16);
  background: linear-gradient(135deg, rgba(17, 21, 38, 0.96), rgba(10, 13, 22, 0.96));
  box-shadow: var(--shadow-soft);
}

.collection-banner::before,
.cta-banner::before,
.feature-banner::before {
  content: "";
  position: absolute;
  inset: -20% auto auto -10%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.collection-banner::after,
.cta-banner::after,
.feature-banner::after {
  content: "";
  position: absolute;
  inset: auto -5% -35% auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(255, 46, 136, 0.18), transparent 70%);
  pointer-events: none;
}

.banner-content {
  position: relative;
  z-index: 1;
  padding: 2.4rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  padding: 1.4rem;
  border-radius: var(--radius-md);
  background: rgba(9, 12, 22, 0.7);
  border: 1px solid rgba(45, 91, 255, 0.16);
  box-shadow: var(--shadow-soft);
}

.stat-value {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.75), rgba(123, 63, 255, 0.35), rgba(255, 46, 136, 0.1));
}

.timeline-item {
  position: relative;
  padding-left: 3.2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient-alt);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.55);
}

.timeline-year {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--color-cyan);
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  background: transparent;
}

th,
td {
  padding: 1rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(45, 91, 255, 0.12);
}

th {
  color: var(--color-text-dark);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card-dark table th {
  color: var(--color-cyan);
}

td {
  color: inherit;
}

.table-caption {
  margin-bottom: 1rem;
  color: inherit;
  font-size: 0.98rem;
}

.filter-bar,
.sort-bar,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.filter-chip,
.sort-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 13, 21, 0.7);
  color: var(--color-text-muted);
}

.filter-chip.active,
.sort-chip.active {
  border-color: rgba(0, 240, 255, 0.34);
  color: var(--color-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.14);
}

.review-card blockquote {
  margin: 0 0 1rem;
  color: var(--color-text);
  font-size: 1.05rem;
}

.review-stars {
  margin-bottom: 0.9rem;
  color: var(--color-cyan);
  letter-spacing: 0.2em;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 240, 255, 0.14);
  background: rgba(11, 15, 26, 0.82);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  border: 0;
  padding: 1.25rem 1.3rem;
  text-align: left;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-question::after {
  content: "+";
  color: var(--color-cyan);
  font-size: 1.4rem;
  line-height: 1;
  transition: transform var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.3rem 1.3rem;
}

.faq-item.active .faq-answer {
  display: block;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.tab-button {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 13, 21, 0.66);
  color: var(--color-text-muted);
  min-height: 42px;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-pill);
}

.tab-button.active {
  color: var(--color-cyan);
  border-color: rgba(0, 240, 255, 0.28);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.12);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.form-card {
  padding: 2rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.form-group.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 600;
  color: var(--color-text);
}

input,
select,
textarea {
  width: 100%;
  min-height: 52px;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(45, 91, 255, 0.16);
  background: rgba(8, 11, 20, 0.84);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(0, 240, 255, 0.34);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.08);
}

.form-note,
.form-success-message {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.form-success-message {
  display: none;
  color: var(--color-success);
}

.map-embed {
  height: 320px; /* 关键：用 height 而不是 min-height */
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.16);
  background: rgba(9, 12, 20, 0.8);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
.list-clean {
  list-style: none;
  padding: 0;
  margin: 0;
}

.icon-list li,
.spec-list li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.6rem;
}

.icon-list li::before,
.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.6);
}

.blog-list,
.article-grid {
  display: grid;
  gap: 1.4rem;
}

.blog-card .meta {
  margin-bottom: 0.8rem;
}

.hud-panel {
  position: relative;
  padding: 1.3rem;
  border-radius: var(--radius-md);
  background: rgba(9, 12, 20, 0.82);
  border: 1px solid rgba(45, 91, 255, 0.16);
}

.hud-panel::before,
.hud-panel::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: rgba(0, 240, 255, 0.45);
  border-style: solid;
}

.hud-panel::before {
  inset: 10px auto auto 10px;
  border-width: 1px 0 0 1px;
}

.hud-panel::after {
  inset: auto 10px 10px auto;
  border-width: 0 1px 1px 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: var(--header-height);
  z-index: 1000;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(7, 10, 18, 0.76);
  border-bottom: 1px solid rgba(45, 91, 255, 0.14);
}

.site-header.scrolled {
  background: rgba(7, 10, 18, 0.92);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.site-header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--header-height);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.brand-link img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-copy strong {
  font-size: 0.9rem;
  color: var(--color-text);
}

.brand-copy span {
  color: var(--color-text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

.site-nav {
  display: flex;
  justify-content: center;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0;
  margin: 0;
}

.nav-item {
  position: relative;
}

.nav-link,
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 46px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active,
.dropdown-toggle:hover,
.dropdown-toggle.active {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active,
.dropdown-toggle.active {
  box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.16), 0 0 18px rgba(0, 240, 255, 0.08);
}

.nav-has-dropdown .dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  list-style: none;
  padding: 0.55rem;
  margin: 0;
  border-radius: var(--radius-md);
  background: rgba(11, 14, 24, 0.96);
  border: 1px solid rgba(0, 240, 255, 0.16);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
}

.nav-has-dropdown:hover .dropdown-menu,
.nav-has-dropdown.open .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(0, 240, 255, 0.22);
  background: rgba(8, 12, 22, 0.8);
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-blue);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.active span {
  background: transparent;
}

.nav-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-footer {
  position: relative;
  margin-top: 40px;
  padding: 72px 0 28px;
  border-top: 1px solid rgba(45, 91, 255, 0.14);
  background:
    radial-gradient(circle at 15% 10%, rgba(45, 91, 255, 0.1), transparent 25%),
    radial-gradient(circle at 85% 10%, rgba(123, 63, 255, 0.11), transparent 25%),
    rgba(6, 8, 15, 0.96);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1fr;
  gap: 1.6rem;
}

.footer-brand {
  max-width: 360px;
}

.footer-title {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-links,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 0.7rem;
}

.footer-links a,
.footer-contact a,
.footer-contact span {
  color: var(--color-text-muted);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-cyan);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer-bottom p,
.footer-bottom a {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

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

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.floating {
  animation: floating 5s ease-in-out infinite;
}

.glow-hover:hover {
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.18), 0 0 32px rgba(45, 91, 255, 0.22);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted {
  color: var(--color-text-muted);
}

.no-margin {
  margin: 0;
}

.mt-lg {
  margin-top: 2rem;
}

.mt-xl {
  margin-top: 3rem;
}

@keyframes floating {
  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-header-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 16px;
    left: 16px;
    display: none;
    justify-content: stretch;
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-shell {
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: rgba(8, 11, 20, 0.96);
    border: 1px solid rgba(45, 91, 255, 0.18);
    box-shadow: var(--shadow-soft);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }

  .nav-link,
  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--radius-sm);
  }

  .nav-has-dropdown .dropdown-menu {
    position: static;
    margin-top: 0.5rem;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    display: none;
    box-shadow: none;
  }

  .nav-has-dropdown.open .dropdown-menu {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 900px) {
  .section {
    padding: 72px 0;
  }

  .split,
  .split-reverse,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-4,
  .form-grid,
  .footer-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 42px);
  }

  .hero-panel {
    max-width: 100%;
  }

  .page-hero-inner,
  .banner-content {
    padding: 1.8rem;
  }

  .product-card .image-frame {
    min-height: 280px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 78px;
  }

  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: clamp(2.5rem, 14vw, 3.8rem);
  }

  h2 {
    font-size: clamp(1.7rem, 9vw, 2.4rem);
  }

  .btn,
  .btn-ghost,
  .btn-secondary {
    width: 100%;
  }

  .btn-group {
    flex-direction: column;
  }

  .brand-copy span {
    display: none;
  }

  .site-nav {
    left: 12px;
    right: 12px;
  }

  .form-card {
    padding: 1.35rem;
  }

  .page-hero {
    padding-bottom: 38px;
  }

  .image-frame {
    min-height: 220px;
  }

  table {
    min-width: 560px;
  }
}