/* ============================================================
   山海启源 · 全站样式
   深色科技风 / 渐变色彩 / 玻璃态(毛玻璃) / 响应式
   ============================================================ */

/* ---------- Reset & Tokens ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #05070f;
  --bg-2:        #0a0f1e;
  --glass:       rgba(255,255,255,0.05);
  --glass-2:     rgba(255,255,255,0.09);
  --line:        rgba(255,255,255,0.10);
  --line-2:      rgba(255,255,255,0.20);
  --text:        #edf2ff;
  --dim:         #a3aecb;
  --mute:        #66739a;
  --cyan:        #2dd4ff;
  --blue:        #6d7dff;
  --purple:      #b06cff;
  --grad:        linear-gradient(110deg, #2dd4ff 0%, #6d7dff 48%, #b06cff 100%);
  --shadow:      0 24px 70px rgba(0,0,0,0.45);
  --glow:        0 0 0 1px rgba(109,125,255,0.25), 0 20px 60px rgba(109,125,255,0.18);
  --radius:      16px;
  --radius-lg:   24px;
  --maxw:        1280px;
  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --font:        "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono:        "SF Mono", "Consolas", "JetBrains Mono", monospace;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: rgba(109,125,255,0.45); color: #fff; }

/* ---------- Ambient background (gradient orbs + grid) ---------- */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(45,60,120,0.35) 0%, transparent 60%),
    var(--bg);
}
.bg-fx .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: drift 26s ease-in-out infinite alternate;
}
.bg-fx .orb-1 {
  width: 560px; height: 560px;
  top: -180px; left: -120px;
  background: radial-gradient(circle, rgba(45,212,255,0.28) 0%, transparent 70%);
}
.bg-fx .orb-2 {
  width: 640px; height: 640px;
  right: -200px; top: 30%;
  background: radial-gradient(circle, rgba(176,108,255,0.24) 0%, transparent 70%);
  animation-delay: -8s;
}
.bg-fx .orb-3 {
  width: 520px; height: 520px;
  left: 28%; bottom: -240px;
  background: radial-gradient(circle, rgba(109,125,255,0.22) 0%, transparent 70%);
  animation-delay: -16s;
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(60px, -50px, 0) scale(1.15); }
}
.bg-fx .grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.section { padding: 110px 0; position: relative; }
.section--tight { padding: 70px 0; }
/* 无头部版块时，首屏内容区留出固定导航的高度 */
.section--first { padding-top: 180px; }

/* ---------- Typography ---------- */
.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--grad);
  display: inline-block;
}
.h-section {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
}
.h-sub {
  margin-top: 18px;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--dim);
  max-width: 760px;
  line-height: 1.8;
}
.text-grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Glass primitives ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
}

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  z-index: 200;
  transform-origin: left;
  transform: scaleX(0);
  background: var(--grad);
  pointer-events: none;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.4s var(--ease);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(6, 9, 18, 0.72);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 18px; }
.brand__logo { height: 52px; width: auto; transition: height 0.4s var(--ease); }
.nav.scrolled .brand__logo { height: 42px; }
.brand__name { line-height: 1; }
.brand__name small {
  display: block;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--mute);
  font-weight: 400;
  margin-top: 3px;
}
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a {
  font-size: 14px;
  color: var(--dim);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
  white-space: nowrap;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 50%; right: 50%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transition: all 0.35s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a.active { color: var(--text); }
.nav__links a.active::after { left: 0; right: 0; }
.nav__cta {
  padding: 10px 24px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  background: var(--glass);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.nav__cta:hover {
  background: var(--grad);
  border-color: transparent;
  color: #06101f;
  box-shadow: 0 8px 30px rgba(109,125,255,0.4);
}
.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--glass);
}
.nav__toggle span { width: 18px; height: 2px; background: var(--text); transition: 0.3s; border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.35s var(--ease);
  cursor: pointer;
}
.btn--primary {
  background: var(--grad);
  color: #06101f;
  font-weight: 600;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(109,125,255,0.45);
}
.btn--ghost {
  border: 1px solid var(--line-2);
  color: var(--text);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--lg { padding: 17px 38px; font-size: 15px; }
.btn .arrow { transition: transform 0.3s; }
.btn:hover .arrow { transform: translateX(5px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding-bottom: 90px;
}
.hero__slider { position: absolute; inset: 0; z-index: 1; }
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.3s var(--ease);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
  background-color: #05060f;
}
.hero__slide.active {
  opacity: 1;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(5,7,15,0.55) 0%, transparent 30%, transparent 52%, rgba(5,7,15,0.82) 100%),
    linear-gradient(90deg, rgba(5,7,15,0.35) 0%, transparent 45%);
}
.hero__inner {
  position: relative;
  z-index: 3;
  width: 100%;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 13px;
  color: var(--dim);
  background: rgba(10, 15, 30, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  margin-bottom: 26px;
}
@keyframes pulse { 50% { opacity: 0.35; } }
.hero__title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 980px;
  color: #fff;
  text-shadow: 0 4px 40px rgba(0,0,0,0.6);
}
.hero__sub {
  margin-top: 22px;
  font-size: clamp(15px, 1.5vw, 19px);
  color: rgba(237,242,255,0.85);
  max-width: 620px;
  line-height: 1.75;
  text-shadow: 0 1px 12px rgba(0,0,0,0.6);
}
.hero__actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 10px;
}
.hero__dot {
  width: 38px; height: 3px;
  background: rgba(255,255,255,0.22);
  border-radius: 3px;
  cursor: pointer;
  transition: 0.3s;
  position: relative;
  overflow: hidden;
}
.hero__dot.active { background: rgba(255,255,255,0.35); }
.hero__dot.active::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad);
  transform-origin: left;
  animation: progress 6s linear forwards;
}
@keyframes progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hero__scroll {
  position: absolute;
  bottom: 32px;
  right: 40px;
  z-index: 4;
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: rgba(255,255,255,0.55);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero__scroll::after {
  content: '';
  width: 1px; height: 56px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent);
  animation: scrolldown 2.2s ease-in-out infinite;
}
@keyframes scrolldown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Section header ---------- */
.sec-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.sec-head__left { max-width: 780px; }

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding: 48px 44px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45,212,255,0.7), rgba(176,108,255,0.7), transparent);
}
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); padding: 36px 26px; } }
.stat__num {
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  font-family: var(--mono);
}
.stat__label { margin-top: 10px; font-size: 13px; color: var(--dim); letter-spacing: 0.05em; }

/* ---------- Product screen (one product per viewport) ---------- */
.pscreen {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 90px 0;
}
.pscreen__media {
  flex: 1;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}
.pscreen__media::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 55%, rgba(109,125,255,0.14) 0%, transparent 70%);
  pointer-events: none;
}
.pscreen__media img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 44px;
  transition: transform 0.8s var(--ease);
}
.pscreen:hover .pscreen__media img { transform: scale(1.04); }
.pscreen__body {
  flex: 0 0 440px;
  max-width: 440px;
  margin-left: 64px;
  align-self: center;
  padding: 48px 44px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: all 0.5s var(--ease);
}
.pscreen__body::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45,212,255,0.8), transparent);
}
.pscreen__body:hover {
  border-color: var(--line-2);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}
.pscreen--rev .pscreen__body { margin-left: 0; margin-right: 64px; }
.pscreen__cat {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.pscreen__title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.22;
  margin-bottom: 18px;
}
.pscreen__desc { color: var(--dim); font-size: 15px; line-height: 1.85; margin-bottom: 26px; }
.pscreen__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.pscreen__tag {
  padding: 6px 15px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-size: 12px;
  color: var(--dim);
  background: rgba(255,255,255,0.03);
}
.pscreen__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.3s;
}
.pscreen__cta:hover { gap: 14px; }
@media (max-width: 960px) {
  .pscreen { flex-direction: column; min-height: auto; padding: 60px 0; gap: 28px; }
  .pscreen__media { min-height: 46vw; }
  .pscreen__media img { padding: 24px; }
  .pscreen__body { flex: 0 0 auto; max-width: 100%; margin: 0 !important; padding: 36px 28px; }
}

/* ---------- Product card ---------- */
.pcard {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.5s var(--ease);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.pcard:hover {
  transform: translateY(-8px);
  border-color: rgba(109,125,255,0.45);
  box-shadow: var(--glow);
}
.pcard__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  display: block;
}
.pcard__media::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 60%, rgba(109,125,255,0.12) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}
.pcard__media img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 22px;
  transition: transform 0.8s var(--ease);
}
.pcard:hover .pcard__media img { transform: scale(1.07); }
.pcard__body { padding: 26px 26px 30px; flex: 1; display: flex; flex-direction: column; }
.pcard__cat {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.pcard__title { font-size: 21px; font-weight: 600; margin-bottom: 12px; line-height: 1.35; }
.pcard__desc { color: var(--dim); font-size: 14px; line-height: 1.75; flex: 1; }
.pcard__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.pcard__tag {
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 11px;
  color: var(--dim);
}

/* ---------- Feature card ---------- */
.fcard {
  padding: 36px 30px;
  border-radius: var(--radius-lg);
  height: 100%;
  transition: all 0.45s var(--ease);
  position: relative;
  overflow: hidden;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
}
.fcard::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.fcard:hover { transform: translateY(-6px); border-color: rgba(109,125,255,0.4); box-shadow: var(--glow); }
.fcard:hover::before { transform: scaleX(1); }
.fcard__num {
  font-size: 13px;
  color: var(--mute);
  font-family: var(--mono);
  margin-bottom: 22px;
  letter-spacing: 0.1em;
}
.fcard__icon {
  width: 56px; height: 56px;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(45,212,255,0.14), rgba(176,108,255,0.1));
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  font-size: 24px;
}
.fcard__title { font-size: 19px; font-weight: 600; margin-bottom: 13px; }
.fcard__desc { color: var(--dim); font-size: 14px; line-height: 1.8; }

/* ---------- Mini hero (inner pages) ---------- */
.mini-hero {
  position: relative;
  padding: 150px 0 60px;
  overflow: hidden;
}
/* 紧随 mini-hero 的首个内容区上边距收紧，避免大片留白 */
.mini-hero + .section { padding-top: 72px; }
.mini-hero::before {
  content: '';
  position: absolute;
  top: -160px; right: -140px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(109,125,255,0.16) 0%, transparent 62%);
  border-radius: 50%;
}
.mini-hero__title {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.mini-hero__sub {
  margin-top: 22px;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--dim);
  max-width: 720px;
  line-height: 1.8;
}
.breadcrumb {
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { margin: 0 8px; }

/* ---------- Big visual ---------- */
.bigvisual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}
.bigvisual img, .bigvisual video {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease);
}
.bigvisual:hover img, .bigvisual:hover video { transform: scale(1.03); }
.bigvisual__cap {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 48px 40px 36px;
  background: linear-gradient(180deg, transparent, rgba(4,6,12,0.88));
}
.bigvisual__cap h3 { font-size: 26px; font-weight: 600; color: #fff; }
.bigvisual__cap p { color: rgba(237,242,255,0.78); margin-top: 8px; font-size: 15px; }
.bigvisual--wide { aspect-ratio: 21/9; }
.bigvisual--4x3 { aspect-ratio: 4/3; }
.bigvisual--16x9 { aspect-ratio: 16/9; }
@media (max-width: 720px) {
  .bigvisual--wide { aspect-ratio: 4/3; }
  .bigvisual__cap { padding: 30px 24px 24px; }
  .bigvisual__cap h3 { font-size: 20px; }
  /* 竖屏下横幅图改用 cover 填满，取画面主体 */
  .hero__slide {
    background-size: cover;
    background-position: center 32%;
  }
}

/* ---------- Video frame ---------- */
.video-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: #000;
  box-shadow: var(--shadow);
}
.video-frame video { width: 100%; aspect-ratio: 16/9; object-fit: contain; background: #000; }
.video-frame__badge {
  position: absolute;
  top: 20px; left: 20px;
  z-index: 3;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #fff;
  background: rgba(5,8,16,0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.video-frame__badge i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 0 0 10px #ff5f57;
}

/* ---------- Showcase ---------- */
.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.showcase--rev .showcase__media { order: 2; }
@media (max-width: 920px) {
  .showcase { grid-template-columns: 1fr; gap: 36px; }
  .showcase--rev .showcase__media { order: 0; }
}
.showcase__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  aspect-ratio: 4/3;
}
.showcase__media img, .showcase__media video {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 18px;
  transition: transform 0.8s var(--ease);
}
.showcase__media:hover img { transform: scale(1.04); }
.showcase__body .eyebrow { margin-bottom: 16px; }
.showcase__title {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 22px;
}
.showcase__desc { color: var(--dim); font-size: 15.5px; line-height: 1.85; margin-bottom: 26px; }
.showcase__list { margin-top: 22px; }
.showcase__list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--dim);
}
.showcase__list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--grad);
  border-radius: 50%;
  margin-top: 9px;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(45,212,255,0.8);
}
.showcase__list li strong { color: var(--text); font-weight: 500; }

/* ---------- Spec table ---------- */
.spec-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
}
.spec-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.spec {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.spec th, .spec td {
  text-align: left;
  padding: 17px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: top;
}
.spec th {
  width: 26%;
  color: var(--dim);
  font-weight: 500;
  white-space: nowrap;
  background: rgba(255,255,255,0.025);
}
.spec td { color: var(--text); }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: none; }
.spec tr:hover td { background: rgba(255,255,255,0.02); }
.spec tr:hover th { background: rgba(255,255,255,0.045); }
.spec__group th {
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 13px;
  background: rgba(45,212,255,0.05);
}
/* three-model comparison table */
.spec--compare { min-width: 860px; }
.spec--compare thead th {
  width: auto;
  padding: 22px 26px;
  background: rgba(45,212,255,0.05);
}
.spec--compare thead .model-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  display: block;
}
.spec--compare thead .model-tag {
  font-size: 12px;
  color: var(--dim);
  font-weight: 400;
  margin-top: 4px;
  display: block;
}
.spec--compare th:first-child, .spec--compare td:first-child { width: 22%; }
.spec__note {
  padding: 18px 26px;
  font-size: 12.5px;
  color: var(--mute);
  border-top: 1px solid var(--line);
}

/* ---------- Values ---------- */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 960px) { .values { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .values { grid-template-columns: 1fr; } }
.value {
  position: relative;
  padding: 42px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.4s var(--ease);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
}
.value:hover { transform: translateY(-6px); border-color: rgba(176,108,255,0.5); box-shadow: 0 18px 50px rgba(176,108,255,0.15); }
.value__char {
  font-size: 60px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 18px;
}
.value__title { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.value__desc { font-size: 13.5px; color: var(--dim); line-height: 1.7; }

/* ---------- Quote block ---------- */
.quote {
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.65;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 40px 0;
  padding: 30px 36px;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, #2dd4ff, #b06cff) 1;
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, rgba(45,212,255,0.07), rgba(176,108,255,0.03) 60%, transparent);
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  padding: 110px 0;
  text-align: center;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 90% at 50% 110%, rgba(109,125,255,0.14) 0%, transparent 65%);
}
.cta-band h2 { margin-bottom: 18px; }
.cta-band p { color: var(--dim); max-width: 600px; margin: 0 auto 36px; font-size: 16.5px; }
.cta-cards {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}
.cta-card {
  position: relative;
  padding: 18px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  min-width: 200px;
  transition: all 0.35s var(--ease);
}
.cta-card:hover { border-color: var(--cyan); transform: translateY(-3px); }
.cta-card small {
  display: block;
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.22em;
  margin-bottom: 6px;
}
.cta-card b { font-size: 15px; font-weight: 500; }

/* ---------- Footer ---------- */
.footer {
  background: rgba(4, 6, 12, 0.7);
  border-top: 1px solid var(--line);
  padding: 80px 0 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}
@media (max-width: 880px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand .brand { margin-bottom: 20px; }
.footer__tagline { color: var(--dim); font-size: 14px; line-height: 1.8; max-width: 340px; }
.footer__col h4 {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 20px;
  font-weight: 600;
}
.footer__col a {
  display: block;
  color: var(--dim);
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.25s, transform 0.25s;
}
.footer__col a:hover { color: var(--cyan); transform: translateX(4px); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--mute);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Divider ---------- */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
}

/* ---------- Mobile nav drawer ---------- */
.nav__drawer-cta { display: none; }
@media (max-width: 920px) {
  .nav__cta { display: none; }
  .nav__drawer-cta {
    display: inline-block;
    padding: 13px 34px;
    border-radius: 100px;
    background: var(--grad);
    color: #06101f;
    font-weight: 600;
    font-size: 15px;
  }
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    width: 78%;
    max-width: 330px;
    height: 100vh;
    background: rgba(7, 11, 22, 0.92);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 26px;
    padding: 60px 40px;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    border-left: 1px solid var(--line);
    z-index: 99;
  }
  .nav__links.open, .nav__cta.open { transform: translateX(0); }
  .nav__links a { font-size: 17px; }
  .nav__toggle { display: flex; z-index: 100; }
  .nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Utility ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }
.pill {
  display: inline-block;
  padding: 7px 16px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-size: 12.5px;
  color: var(--dim);
  background: var(--glass);
}
.pdf-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  border: 1px solid var(--line-2);
  background: var(--glass);
  font-size: 14px;
  transition: all 0.3s var(--ease);
}
.pdf-link:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* ---------- Mouse-follow glow on glass cards ---------- */
.fcard::after, .pcard::after, .pscreen__body::after, .value::after, .cta-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(109,125,255,0.14), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.fcard:hover::after, .pcard:hover::after, .pscreen__body:hover::after,
.value:hover::after, .cta-card:hover::after { opacity: 1; }