/* ============================================================
   oriGPU 起源算力 — DESIGN SYSTEM "SINGULARITY"
   暗色奇点 × 极光带 × 蓝图工程美学
   ============================================================ */

:root {
  --void: #f4f6f5;
  --void-2: #ffffff;
  --panel: #ffffff;
  --panel-2: #ecefef;
  --ink: #0e1512;
  --aurora: #00a06e;
  --aurora-bright: #00c98a;
  --aurora-dim: rgba(0, 160, 110, 0.1);
  --cyan: #0a9fd0;
  --violet: #7a6cf0;
  --text: #0e1512;
  --muted: #5a665f;
  --faint: #9aa8a1;
  --line: rgba(14, 21, 18, 0.1);
  --line-strong: rgba(14, 21, 18, 0.22);
  --danger: #d64545;
  --font-display: "Space Grotesk", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Noto Sans SC", monospace;
  --nav-h: 72px;
  --gutter: clamp(20px, 4vw, 64px);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--aurora); color: #ffffff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: #c8d2cc; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--aurora); }

/* ---------- WebGL 背景 ---------- */
#gl {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 噪点覆膜 */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1.5%); }
  50% { transform: translate(1.5%, -2%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(0, 0); }
}

/* 内容层压在背景之上 */
.site-main, .site-nav, .site-footer { position: relative; z-index: 2; }

/* ---------- 自定义光标 ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 3000;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot { width: 6px; height: 6px; background: var(--aurora); }
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid rgba(0, 160, 110, 0.45);
  transition: width 0.25s, height 0.25s, border-color 0.25s, background 0.25s;
}
.cursor-ring.is-hover {
  width: 64px; height: 64px;
  border-color: var(--aurora);
  background: rgba(0, 160, 110, 0.07);
}
.cursor-ring.is-hover::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--aurora);
}
@media (hover: none), (max-width: 820px) {
  .cursor-dot, .cursor-ring { display: none; }
}
/* 自定义光标已停用：B2B 场景优先可用性，保留系统原生光标 */
.cursor-dot, .cursor-ring { display: none !important; }

/* ---------- 预加载屏 ---------- */
#loader {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: var(--void);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 18px;
  transition: opacity 0.7s cubic-bezier(0.7, 0, 0.3, 1), visibility 0.7s;
}
#loader.done { opacity: 0; visibility: hidden; }
.loader-logo {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.5em;
  color: var(--muted);
  text-transform: uppercase;
}
.loader-count {
  font-size: clamp(48px, 9vw, 110px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.loader-count em { color: var(--aurora); font-style: normal; }
.loader-bar {
  width: min(320px, 60vw);
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.loader-bar i {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0%;
  background: var(--aurora);
  transition: width 0.2s linear;
}

/* ---------- 导航 ---------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  z-index: 100;
}
.site-nav.scrolled {
  background: rgba(244, 246, 245, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.nav-logo .logo-img {
  height: 38px;
  width: auto;
  display: block;
}
@media (max-width: 480px) {
  .nav-logo .logo-img { height: 30px; }
}
.nav-logo .logo-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.nav-logo .logo-mark b { color: var(--aurora); font-weight: 700; }
.nav-logo .logo-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.3em;
  font-family: var(--font-mono);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 44px);
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.06em;
  position: relative;
  padding: 6px 0;
  transition: color 0.3s;
}
.nav-links a::before {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--aurora);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.3, 1);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::before, .nav-links a.active::before {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-links a .idx {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--faint);
  vertical-align: super;
  margin-right: 3px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-width: 154px;
  height: 44px;
  font-family: var(--font-display);
  font-size: 14px !important;
  letter-spacing: 0.06em !important;
  color: #ffffff !important;
  background: linear-gradient(105deg, #008f68 0%, #00ad7c 58%, #00b992 100%);
  padding: 0 10px 0 18px !important;
  border: 1px solid rgba(0, 126, 91, .28);
  border-radius: 2px;
  text-decoration: none;
  font-weight: 700;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(0, 143, 104, .12);
  transition: box-shadow .3s, transform .3s, background .3s;
}
.nav-links .nav-cta::before { display: none; }
.nav-cta-arrow {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 30px;
  border-left: 1px solid rgba(255,255,255,.24);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 400;
  transition: transform .3s, background .3s;
}
.nav-cta:hover {
  transform: translateY(-1px);
  background: linear-gradient(105deg, #007f5e 0%, #00a978 56%, #00c397 100%);
  box-shadow: 0 10px 26px rgba(0, 143, 104, .24);
}
.nav-cta:hover .nav-cta-arrow { transform: translateX(3px); background: rgba(255,255,255,.07); }
.nav-burger { display: none; }
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(244, 246, 245, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 24px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
  }
  .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 16px 0; font-size: 18px; }
  .nav-links .nav-cta { display: flex; width: max-content; margin-top: 16px; }
  .nav-burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    padding: 8px;
  }
  .nav-burger span {
    width: 24px; height: 1.5px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-burger.open span:nth-child(2) { opacity: 0; }
  .nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---------- 通用排版元件 ---------- */
.mono {
  font-family: var(--font-mono);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--aurora);
}
.tag::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--aurora);
}
.h-display {
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
}
.outline-text {
  color: transparent;
  -webkit-text-stroke: 1px rgba(14, 21, 18, 0.32);
}
.aurora-text {
  background: linear-gradient(100deg, #00a06e 10%, #0a9fd0 55%, #7a6cf0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section {
  padding: clamp(90px, 12vw, 170px) var(--gutter);
  position: relative;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: clamp(40px, 6vw, 80px);
}
.section-title {
  font-size: clamp(34px, 5.6vw, 76px);
  margin-top: 18px;
}
.section-note {
  max-width: 340px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

/* 蓝图角标 */
.blueprint { position: relative; }
.blueprint::before, .blueprint::after {
  content: "+";
  position: absolute;
  font-family: var(--font-mono);
  color: var(--faint);
  font-size: 14px;
  z-index: 3;
  pointer-events: none;
}
.blueprint::before { top: 12px; left: 14px; }
.blueprint::after { bottom: 12px; right: 14px; }

/* 竖排装饰文字 */
.vertical-deco {
  position: absolute;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.5em;
  color: var(--faint);
  text-transform: uppercase;
  pointer-events: none;
  user-select: none;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 34px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: transparent;
  position: relative;
  overflow: hidden;
  transition: color 0.35s, border-color 0.35s;
  will-change: transform;
}
.btn i {
  position: absolute;
  inset: 0;
  background: var(--aurora);
  transform: translateY(101%);
  transition: transform 0.45s cubic-bezier(0.7, 0, 0.3, 1);
  z-index: 0;
}
.btn span, .btn .arrow { position: relative; z-index: 1; }
.btn:hover { color: #ffffff; border-color: var(--aurora); }
.btn:hover i { transform: translateY(0); }
.btn .arrow { transition: transform 0.35s; }
.btn:hover .arrow { transform: translateX(6px); }
.btn-solid {
  background: var(--ink);
  color: #ffffff;
  border-color: var(--ink);
}
.btn-solid i { background: var(--aurora); }
.btn-solid:hover { color: #ffffff; box-shadow: 0 8px 32px rgba(0, 160, 110, 0.3); }

/* ---------- 跑马灯 ---------- */
.ticker-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
}
.ticker {
  display: flex;
  width: max-content;
  animation: ticker-scroll 42s linear infinite;
}
.ticker-wrap:hover .ticker { animation-play-state: paused; }
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.ticker-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 34px;
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
  border-right: 1px solid var(--line);
}
.ticker-item .t-name { color: var(--text); font-weight: 700; }
.ticker-item .t-arch { color: var(--faint); font-size: 10px; letter-spacing: 0.15em; }
.ticker-item .t-price { color: var(--aurora); }
.ticker-item .t-status { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 11px; }
.ticker-item .t-status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 8px var(--aurora);
  animation: pulse 1.6s infinite;
}
.ticker-item .t-status.out::before { background: var(--danger); box-shadow: none; animation: none; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 28px) var(--gutter) 48px;
  position: relative;
}
/* 蓝图网格底纹 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 21, 18, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 21, 18, 0.04) 1px, transparent 1px);
  background-size: clamp(80px, 10vw, 130px) clamp(80px, 10vw, 130px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 88%);
  pointer-events: none;
  z-index: 1;
}
.hero > * { position: relative; z-index: 2; }
/* 全屏背景图 Hero：文字压左侧留白 */
.hero--bg { overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0 !important;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  display: block;
}
/* 左侧可读性渐隐罩 */
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(244, 246, 245, 0.94) 0%,
    rgba(244, 246, 245, 0.72) 30%,
    rgba(244, 246, 245, 0.18) 55%,
    rgba(244, 246, 245, 0) 70%);
}
.hero--bg .hero-main { grid-template-columns: 1fr; }
.hero--bg .hero-text { max-width: 640px; }
.hero--bg .hero-meta span { text-shadow: 0 1px 8px rgba(244, 246, 245, 0.8); }
.hero--bg .hero-meta span:last-child { color: var(--text); }
.hero-cap {
  position: absolute;
  right: var(--gutter);
  bottom: 20px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 10px rgba(8, 14, 11, 0.5);
}
@media (max-width: 900px) {
  .hero-bg img { object-position: 78% center; }
  .hero-bg::after {
    background: linear-gradient(180deg,
      rgba(244, 246, 245, 0.9) 0%,
      rgba(244, 246, 245, 0.68) 55%,
      rgba(244, 246, 245, 0.35) 100%);
  }
  .hero-cap { display: none; }
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: clamp(22px, 3.6vh, 44px);
}
.hero-main {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: clamp(28px, 3.4vw, 56px);
  align-items: stretch;
}
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-title {
  font-size: clamp(44px, 7.4vw, 116px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}
.hero-title .row { display: block; overflow: hidden; }
.hero-title .row > span { display: inline-block; }
.hero-title .zh {
  font-size: 0.64em;
  letter-spacing: 0.02em;
  vertical-align: baseline;
}
.hero-desc {
  max-width: 470px;
  color: var(--muted);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.9;
  margin-top: clamp(22px, 3.2vh, 38px);
}
.hero-desc b { color: var(--text); font-weight: 600; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: clamp(24px, 3.4vh, 42px); }
.hero-facts {
  display: flex;
  gap: clamp(18px, 2.4vw, 36px);
  flex-wrap: wrap;
  margin-top: clamp(26px, 3.8vh, 46px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.hero-facts b { color: var(--aurora); font-weight: 700; margin-right: 6px; }
.hero-banner { margin-top: 0; min-height: clamp(400px, 62vh, 560px); }
.hero-banner .banner { height: 100%; }
@media (max-width: 900px) {
  .hero-main { grid-template-columns: 1fr; gap: 34px; }
  .hero-banner { min-height: 0; height: clamp(220px, 30vh, 300px); }
  .hero-facts { gap: 14px; font-size: 10px; }
}
@media (max-width: 640px) {
  .hero-meta span:last-child { display: none; }
  .hero-meta span:first-child { font-size: 9px; letter-spacing: 0.18em; white-space: nowrap; }
}
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: var(--gutter);
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--faint);
  text-transform: uppercase;
}
.hero-scroll::after {
  content: "";
  width: 1px; height: 44px;
  background: linear-gradient(var(--aurora), transparent);
  animation: scroll-hint 1.8s infinite;
}
@keyframes scroll-hint {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.hero-coord {
  position: absolute;
  bottom: 28px;
  right: var(--gutter);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--faint);
  text-align: right;
  line-height: 2;
}
@media (max-width: 900px) {
  .hero-coord { display: none; }
}

/* ---------- 宣言 ---------- */
.manifesto { text-align: left; }
.manifesto-text {
  font-size: clamp(28px, 4.6vw, 62px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  max-width: 1200px;
}
.manifesto-text .dim { color: var(--faint); transition: color 0.5s; }
.manifesto-text .dim.lit { color: var(--text); }
.manifesto-text .hl { color: var(--aurora); }

/* ---------- 统计数字 ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: clamp(60px, 8vw, 110px);
}
.stat-cell {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(28px, 4vw, 56px);
  position: relative;
  transition: background 0.4s;
}
.stat-cell:hover { background: rgba(0, 160, 110, 0.05); }
.stat-num {
  font-size: clamp(40px, 5.5vw, 84px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-num .suffix { color: var(--aurora); font-size: 0.55em; margin-left: 4px; }
.stat-label {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--muted);
  text-transform: uppercase;
}
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 舰队横向滚动 ---------- */
.fleet-section { padding-left: 0; padding-right: 0; }
@media (min-width: 901px) {
  .fleet-section { height: 340vh; padding-top: 0; padding-bottom: 0; }
  .fleet-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    gap: clamp(30px, 5vh, 60px);
  }
}
@media (max-width: 900px) {
  .fleet-section { overflow: hidden; }
  .fleet-sticky { display: flex; flex-direction: column; gap: 34px; }
  .fleet-track-wrap { overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .fleet-track-wrap::-webkit-scrollbar { display: none; }
}
.fleet-head { padding: 0 var(--gutter); }
.fleet-track-wrap { position: relative; }
.fleet-track {
  display: flex;
  gap: clamp(16px, 2vw, 28px);
  padding: 0 var(--gutter);
  will-change: transform;
  width: max-content;
}
.gpu-card {
  width: clamp(300px, 30vw, 420px);
  flex-shrink: 0;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #ffffff 0%, rgba(244, 246, 245, 0.7) 100%);
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s, box-shadow 0.4s;
}
.gpu-card:hover { border-color: rgba(0, 160, 110, 0.4); transform: translateY(-6px); box-shadow: 0 24px 48px rgba(14, 21, 18, 0.08); }
.gpu-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--aurora), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.gpu-card:hover::after { opacity: 1; }
.gpu-card .card-arch {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--aurora);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}
.gpu-card .card-arch .stock { color: var(--muted); }
.gpu-card .card-name {
  font-size: clamp(34px, 3.4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-top: 20px;
  line-height: 1;
}
.gpu-card .card-ghost {
  position: absolute;
  right: -10px; bottom: -24px;
  font-size: 120px;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(14, 21, 18, 0.08);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}
.gpu-card .card-specs {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.gpu-card .spec {
  background: #f3f5f4;
  padding: 12px 14px;
}
.gpu-card .spec .k {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--faint);
  text-transform: uppercase;
}
.gpu-card .spec .v { font-size: 15px; font-weight: 600; margin-top: 4px; }
.gpu-card .card-foot {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gpu-card .price {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--aurora);
  font-weight: 700;
}
.gpu-card .price small { font-size: 11px; color: var(--muted); font-weight: 400; }
.gpu-card .rent {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
  padding-bottom: 3px;
  transition: color 0.3s;
}
.gpu-card .rent:hover { color: var(--aurora); }
.fleet-progress {
  margin: 34px var(--gutter) 0;
  height: 1px;
  background: var(--line);
  position: relative;
}
.fleet-progress i {
  position: absolute;
  left: 0; top: -0.5px;
  height: 2px;
  width: 8%;
  background: var(--aurora);
  transition: width 0.1s linear;
}

/* ---------- 优势破碎网格 ---------- */
.edge-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(14px, 1.6vw, 24px);
}
.edge-cell {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  padding: clamp(26px, 3vw, 44px);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, background 0.4s, box-shadow 0.4s;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.edge-cell:hover { border-color: rgba(0, 160, 110, 0.35); background: #ffffff; box-shadow: 0 18px 40px rgba(14, 21, 18, 0.06); }
.edge-cell .cell-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.2em;
}
.edge-cell h3 {
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 18px 0 12px;
}
.edge-cell p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.edge-cell .cell-glow {
  position: absolute;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 160, 110, 0.1), transparent 70%);
  top: -60px; right: -60px;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.edge-cell:hover .cell-glow { opacity: 1; }
.edge-1 { grid-column: span 7; }
.edge-2 { grid-column: span 5; margin-top: 60px; }
.edge-3 { grid-column: span 4; margin-top: -30px; }
.edge-4 { grid-column: span 4; margin-top: 30px; }
.edge-5 { grid-column: span 4; }
.edge-6 { grid-column: span 12; min-height: 0; flex-direction: row; align-items: center; gap: 40px; }
.edge-6 h3 { margin: 0; }
.edge-6 p { max-width: 560px; }
@media (max-width: 900px) {
  .edge-1, .edge-2, .edge-3, .edge-4, .edge-5, .edge-6 {
    grid-column: span 12;
    margin-top: 0;
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 全球节点 ---------- */
.nodes-wrap {
  border-top: 1px solid var(--line);
}
.node-row {
  display: grid;
  grid-template-columns: 90px 1.3fr 1fr 1fr auto;
  align-items: center;
  gap: 24px;
  padding: clamp(26px, 3.4vw, 44px) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding 0.4s;
}
.node-row:hover { padding-left: 18px; }
.node-row::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--aurora);
  transform: scaleY(0);
  transition: transform 0.4s;
}
.node-row:hover::before { transform: scaleY(1); }
.node-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faint);
}
.node-city { font-size: clamp(24px, 3vw, 42px); font-weight: 700; letter-spacing: -0.02em; }
.node-city small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--muted);
  font-weight: 400;
  margin-top: 6px;
  text-transform: uppercase;
}
.node-coord, .node-role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.node-role b { color: var(--text); display: block; font-size: 14px; }
.node-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--aurora);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.node-status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 10px var(--aurora);
  animation: pulse 1.6s infinite;
}
@media (max-width: 900px) {
  .node-row { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- CTA ---------- */
.cta-section { text-align: center; overflow: hidden; position: relative; }
.cta-title {
  font-size: clamp(52px, 10vw, 150px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  text-transform: uppercase;
}
.cta-sub {
  color: var(--muted);
  margin: 28px auto 44px;
  max-width: 480px;
  font-size: 15px;
  line-height: 1.9;
}
.cta-ghost {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(120px, 26vw, 380px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(14, 21, 18, 0.06);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
  white-space: nowrap;
}

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: clamp(50px, 7vw, 90px) var(--gutter) 30px;
  background: #ecefef;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}
.footer-brand .logo-mark {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
}
.footer-brand .logo-mark b { color: var(--aurora); }
.footer-brand .logo-img {
  height: 58px;
  width: auto;
  display: block;
}
.footer-brand p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 20px;
  max-width: 300px;
  line-height: 1.9;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--faint);
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 400;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s, padding-left 0.3s;
}
.footer-col a:hover { color: var(--aurora); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.08em;
}
.footer-bottom a { color: var(--faint); text-decoration: none; }
.footer-bottom a:hover { color: var(--aurora); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- 子页通用 HERO ---------- */
.page-hero {
  padding: calc(var(--nav-h) + clamp(70px, 10vw, 130px)) var(--gutter) clamp(50px, 7vw, 90px);
  position: relative;
}
.page-hero .tag { margin-bottom: 26px; }
.page-title {
  font-size: clamp(44px, 8.5vw, 120px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-transform: uppercase;
}
.page-desc {
  margin-top: 30px;
  max-width: 560px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}
.page-hero-meta {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(50px, 7vw, 90px);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  text-align: right;
  line-height: 2.1;
  letter-spacing: 0.15em;
}
@media (max-width: 900px) { .page-hero-meta { display: none; } }

/* ---------- 产品页：遥测表 ---------- */
.telemetry-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.telemetry-bar .live {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--aurora);
  letter-spacing: 0.2em;
}
.telemetry-bar .live::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 12px var(--aurora);
  animation: pulse 1.4s infinite;
}
.filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 28px 0;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 9px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  transition: all 0.3s;
}
.filter-btn:hover { border-color: var(--aurora); color: var(--text); }
.filter-btn.active {
  background: var(--aurora);
  border-color: var(--aurora);
  color: #ffffff;
  font-weight: 700;
}
.gpu-table { width: 100%; border-top: 1px solid var(--line-strong); }
.gpu-row {
  display: grid;
  grid-template-columns: 60px 2.1fr 1fr 1fr 1.2fr 0.9fr 1fr;
  align-items: center;
  gap: 18px;
  padding: 24px 10px;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.3s, padding-left 0.3s;
}
.gpu-row:not(.table-head):hover { background: rgba(0, 160, 110, 0.045); padding-left: 22px; }
.gpu-row.table-head {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--faint);
  text-transform: uppercase;
  padding: 16px 10px;
}
.gpu-row.table-head .sortable { cursor: pointer; user-select: none; transition: color 0.3s; }
.gpu-row.table-head .sortable:hover { color: var(--aurora); }
.gpu-row .r-idx { font-family: var(--font-mono); font-size: 11px; color: var(--faint); }
.gpu-row .r-name { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.gpu-row .r-name small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-top: 4px;
  text-transform: uppercase;
}
.gpu-row .r-vram { font-family: var(--font-mono); font-size: 14px; }
.gpu-row .r-vram b { color: var(--aurora); font-weight: 700; }
.gpu-row .r-cards, .gpu-row .r-region { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.gpu-row .r-status {
  font-family: var(--font-mono);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--aurora);
}
.gpu-row .r-status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 8px var(--aurora);
  animation: pulse 1.6s infinite;
}
.gpu-row.is-out .r-status { color: var(--danger); }
.gpu-row.is-out .r-status::before { background: var(--danger); box-shadow: none; animation: none; }
.gpu-row.is-out .r-name, .gpu-row.is-out .r-vram { opacity: 0.45; }
.gpu-row .r-price {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  text-align: right;
}
.gpu-row .r-price small { color: var(--muted); font-weight: 400; font-size: 10px; }
@media (max-width: 1000px) {
  .gpu-row { grid-template-columns: 1.6fr 1fr 1fr; grid-auto-rows: auto; row-gap: 8px; }
  .gpu-row .r-idx, .gpu-row.table-head { display: none; }
  .gpu-row .r-price { text-align: left; }
}
@media (max-width: 640px) {
  .gpu-row { grid-template-columns: 1fr 1fr; }
}

/* ---------- 解决方案页 ---------- */
.sol-list { border-top: 1px solid var(--line-strong); }
.sol-item {
  display: grid;
  grid-template-columns: 100px 1.1fr 1.4fr 1fr;
  gap: clamp(20px, 3vw, 50px);
  padding: clamp(40px, 5.5vw, 70px) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding 0.4s;
}
.sol-item:hover { padding-left: 20px; }
.sol-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(var(--aurora), var(--cyan));
  transform: scaleY(0);
  transition: transform 0.5s;
}
.sol-item:hover::before { transform: scaleY(1); }
.sol-idx {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3vw, 44px);
  color: transparent;
  -webkit-text-stroke: 1px rgba(14, 21, 18, 0.25);
  font-weight: 700;
  line-height: 1;
}
.sol-item:hover .sol-idx { -webkit-text-stroke-color: var(--aurora); }
.sol-name h3 { font-size: clamp(26px, 3vw, 40px); font-weight: 700; letter-spacing: -0.02em; }
.sol-name .en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--faint);
  text-transform: uppercase;
  margin-top: 10px;
  display: block;
}
.sol-detail p { color: var(--muted); font-size: 14px; line-height: 1.95; margin-bottom: 22px; }
.sol-feats { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-feats span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: all 0.3s;
}
.sol-item:hover .sol-feats span { border-color: rgba(0, 160, 110, 0.35); color: var(--text); }
.sol-side .k {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--faint);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sol-side .gpus {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--aurora);
  line-height: 2;
  margin-bottom: 26px;
}
.sol-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sol-tags span { font-size: 12px; color: var(--muted); }
.sol-tags span::after { content: " /"; color: var(--faint); }
.sol-tags span:last-child::after { content: ""; }
@media (max-width: 1000px) {
  .sol-item { grid-template-columns: 60px 1fr; }
  .sol-detail, .sol-side { grid-column: 2; }
}

/* ---------- 关于页 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
.about-lead {
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
}
.about-lead .hl { color: var(--aurora); }
.about-body { color: var(--muted); font-size: 15px; line-height: 2.2; }
.about-body p + p { margin-top: 24px; }
.about-panel {
  border: 1px solid var(--line);
  background: #ffffff;
  padding: clamp(28px, 3vw, 44px);
}
.about-panel .row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.about-panel .row:last-child { border-bottom: 0; }
.about-panel .row .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--faint);
  text-transform: uppercase;
  padding-top: 2px;
  white-space: nowrap;
}
.about-panel .row .v { text-align: right; color: var(--text); }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.values-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) {
  .values-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
.value-cell {
  background: #ffffff;
  padding: clamp(30px, 3.5vw, 50px);
  transition: background 0.4s;
}
.value-cell:hover { background: var(--panel-2); }
.value-cell .v-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--aurora);
  letter-spacing: 0.2em;
}
.value-cell h3 { font-size: 22px; margin: 20px 0 14px; }
.value-cell p { color: var(--muted); font-size: 13px; line-height: 2; }
@media (max-width: 900px) { .values-grid, .values-grid.cols-4 { grid-template-columns: 1fr; } }

/* ---------- 联系方式 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.contact-cell {
  background: #ffffff;
  padding: clamp(30px, 3.5vw, 50px);
  transition: background 0.4s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.contact-cell:hover { background: var(--panel-2); }
.contact-cell .c-k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--faint);
  text-transform: uppercase;
}
.contact-cell .c-v {
  font-size: clamp(17px, 1.7vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 18px;
  line-height: 1.4;
  word-break: break-all;
}
.contact-cell .c-arrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--aurora);
  margin-top: 22px;
  display: block;
  letter-spacing: 0.15em;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.partner-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  border: 1px solid var(--line);
  padding: clamp(30px, 4vw, 50px) clamp(24px, 4vw, 60px);
}
.partner-strip .p-item {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 700;
  color: var(--faint);
  letter-spacing: 0.05em;
  transition: color 0.3s, text-shadow 0.3s;
}
.partner-strip .p-item:hover { color: var(--text); text-shadow: 0 0 24px rgba(0, 160, 110, 0.25); }

/* ---------- Banner 图（实验性画框） ---------- */
.banner {
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel-2);
  clip-path: inset(10% 5% 10% 5%);
  transition: clip-path 1.3s cubic-bezier(0.65, 0, 0.25, 1);
}
.banner.in { clip-path: inset(0 0 0 0); }
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  will-change: transform;
  transform: scale(1.12);
}
.banner-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  background: linear-gradient(transparent, rgba(8, 14, 11, 0.55));
  pointer-events: none;
}
.banner-cap.on-light { color: var(--muted); background: linear-gradient(transparent, rgba(244, 246, 245, 0.9)); }

/* 舰队里的图片卡 */
.gpu-card--img { padding: 0; display: flex; flex-direction: column; }
.gpu-card--img .img-wrap {
  flex: 1;
  min-height: 300px;
  overflow: hidden;
  position: relative;
}
.gpu-card--img img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.gpu-card--img:hover img { transform: scale(1.05); }
.gpu-card--img .img-cap {
  padding: 18px 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  background: #ffffff;
}
.gpu-card--img .img-cap b { color: var(--ink); font-size: 12px; }

/* 节点横幅 */
.nodes-banner {
  height: clamp(260px, 46vh, 480px);
  margin-bottom: clamp(36px, 5vw, 60px);
}

@media (max-width: 900px) {
  .gpu-card--img .img-wrap { min-height: 220px; }
  .banner-cap { font-size: 8px; letter-spacing: 0.18em; padding: 10px 14px; }
}

/* ---------- 全球节点（卡片 + 点阵地图） ---------- */
.nodes-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: clamp(36px, 5vw, 60px);
}
.nodes-sub { color: var(--muted); margin-top: 16px; font-size: 15px; }
.nodes-chips { display: flex; gap: 12px; flex-wrap: wrap; }
.nchip {
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 16px 24px;
  text-align: center;
  min-width: 118px;
  transition: border-color 0.3s, transform 0.3s;
}
.nchip:hover { border-color: rgba(0, 160, 110, 0.35); transform: translateY(-3px); }
.nchip b {
  display: block;
  font-size: 24px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.nchip span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.14em;
  display: block;
  margin-top: 7px;
}
.nodes-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 1.4vw, 20px);
  margin-bottom: clamp(40px, 5.5vw, 70px);
}
.ncard {
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 22px 22px 14px;
  transition: border-color 0.35s, transform 0.35s, box-shadow 0.35s;
}
.ncard:hover {
  border-color: rgba(0, 160, 110, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(14, 21, 18, 0.07);
}
.ncard-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.ncard-head h3 {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.ncard .online {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--aurora);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.ncard .online i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 8px var(--aurora);
  animation: pulse 1.6s infinite;
}
.ncard .city {
  font-size: 12px;
  color: var(--muted);
  margin: 6px 0 14px;
}
.ncard .nrow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.ncard .nrow .l {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.ncard .nrow .l svg { width: 14px; height: 14px; stroke: var(--aurora); flex-shrink: 0; }
.ncard .nrow .v { font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.nodes-map {
  position: relative;
  aspect-ratio: 1000 / 400;
}
.nodes-map img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  opacity: 0.9;
}
.nodes-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
@media (max-width: 1000px) {
  .nodes-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nodes-cards { grid-template-columns: 1fr; }
  .nchip { flex: 1; min-width: 0; padding: 14px 10px; }
}

/* ---------- 即时集群：规格卡 ---------- */
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 28px);
}
.cluster-card {
  border: 1px solid var(--line);
  background: linear-gradient(165deg, #ffffff 0%, rgba(244, 246, 245, 0.65) 100%);
  padding: clamp(28px, 3.2vw, 46px);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s, box-shadow 0.4s;
}
.cluster-card:hover {
  border-color: rgba(0, 160, 110, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(14, 21, 18, 0.08);
}
.cluster-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--aurora), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.cluster-card:hover::after { opacity: 1; }
.cc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.cc-arch { color: var(--aurora); }
.cc-status {
  color: var(--aurora);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.cc-status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 8px var(--aurora);
  animation: pulse 1.6s infinite;
}
.cc-name {
  font-size: clamp(30px, 3.2vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-top: 22px;
}
.cc-vram {
  margin-top: 18px;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.cc-vram b {
  font-size: clamp(64px, 7vw, 110px);
  font-weight: 700;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}
.cc-vram span {
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.6vw, 22px);
  color: var(--aurora);
  font-weight: 700;
}
.cc-vram-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--faint);
  text-transform: uppercase;
  margin-top: 10px;
}
.cc-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 30px;
}
.cc-spec {
  background: #f3f5f4;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.cc-spec .k {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--faint);
  text-transform: uppercase;
}
.cc-spec .v { font-size: 14px; font-weight: 600; }
.cc-deploy {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
  padding-bottom: 4px;
  transition: color 0.3s, letter-spacing 0.3s;
}
.cc-deploy:hover { color: var(--aurora); letter-spacing: 0.25em; }
@media (max-width: 900px) {
  .cluster-grid { grid-template-columns: 1fr; }
}

/* ---------- 动效基类 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-line { display: block; overflow: hidden; }
.reveal-line > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1s cubic-bezier(0.2, 0.65, 0.2, 1);
  transition-delay: var(--d, 0s);
}
.reveal-line.in > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}