/* =========================================================
   旅研科技 TRIPLAB · 官网样式
   风格：深色实验室（Dark Lab）
   ========================================================= */

/* ---------- 设计令牌 ---------- */
:root {
  --bg:        #05070a;
  --bg-1:      #080b11;
  --bg-2:      #0b1017;
  --surface:   rgba(255, 255, 255, 0.026);
  --surface-2: rgba(255, 255, 255, 0.05);

  --line:      rgba(255, 255, 255, 0.08);
  --line-2:    rgba(255, 255, 255, 0.16);

  --text:      #e9eef6;
  --text-2:    #9aa7bb;
  --text-3:    #66748c;

  --neon:      #00ffa3;
  --neon-dim:  rgba(0, 255, 163, 0.55);
  --neon-soft: rgba(0, 255, 163, 0.12);
  --cyan:      #38d9ff;
  --cyan-soft: rgba(56, 217, 255, 0.12);
  --warm:      #ffb65c;
  --warm-soft: rgba(255, 182, 92, 0.12);

  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  --wrap: 1200px;
  --radius: 14px;
  --radius-lg: 20px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 页面底纹：网格 + 光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(58% 42% at 12% -4%, rgba(0, 255, 163, 0.10), transparent 62%),
    radial-gradient(52% 40% at 92% 6%, rgba(56, 217, 255, 0.09), transparent 62%);
  pointer-events: none;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.22; font-weight: 700; letter-spacing: -0.01em; }
p  { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a  { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
b, strong { font-weight: 700; }

.mono { font-family: var(--mono); }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 10px 16px;
  background: var(--neon);
  color: #04120c;
  font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; border-radius: 8px; }

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(0, 255, 163, 0.28); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #05070a; }
::-webkit-scrollbar-thumb {
  background: #1b2432;
  border-radius: 8px;
  border: 2px solid #05070a;
}
::-webkit-scrollbar-thumb:hover { background: #27364a; }

/* ---------- 通用组件 ---------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: var(--btn-bg);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.22s var(--ease), box-shadow 0.28s var(--ease),
              border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 9px; }

.btn-primary {
  background: linear-gradient(135deg, var(--neon), #22e0b4);
  border-color: transparent;
  color: #04120c;
  box-shadow: 0 8px 26px -10px rgba(0, 255, 163, 0.65);
}
.btn-primary:hover {
  box-shadow: 0 14px 34px -10px rgba(0, 255, 163, 0.85);
  background: linear-gradient(135deg, #4dffc0, #2ee7bb);
}

.btn-ghost { background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover {
  border-color: var(--neon-dim);
  background: var(--neon-soft);
  color: #d9fff0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  color: var(--text-2);
  white-space: nowrap;
}
.chip-ok   { color: var(--neon); border-color: rgba(0, 255, 163, 0.32); background: var(--neon-soft); }
.chip-warn { color: var(--warm); border-color: rgba(255, 182, 92, 0.32); background: var(--warm-soft); }

.eyebrow {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--neon);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section { padding: 108px 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); }
.section-sub { margin-top: 16px; color: var(--text-2); font-size: 16.5px; }

/* 滚动入场（仅在 JS 可用时隐藏初始状态，避免无脚本时白屏） */
.reveal {
  opacity: 1;
  transform: none;
}
html:not(.no-js) .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
html:not(.no-js) .reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================
   顶部导航
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(5, 7, 10, 0.62);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 7, 10, 0.88);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  height: 70px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  color: var(--neon);
  filter: drop-shadow(0 0 10px rgba(0, 255, 163, 0.4));
  transition: transform 0.5s var(--ease);
}
.brand-mark svg { width: 100%; height: 100%; }
.brand:hover .brand-mark { transform: rotate(60deg); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 16px; letter-spacing: 0.02em; }
.brand-text em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--text-3);
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  color: var(--text-2);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 1px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: 14px; }

.lab-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-3);
}
.lab-live i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 0 rgba(0, 255, 163, 0.65);
  animation: livePulse 2.2s infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 255, 163, 0.6); }
  70%  { box-shadow: 0 0 0 7px rgba(0, 255, 163, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 163, 0); }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line-2);
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1.6px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.28s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* =========================================================
   首屏
   ========================================================= */
.hero {
  position: relative;
  padding: 88px 0 0;
  overflow: hidden;
  isolation: isolate;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.85;
}
.hero-glow {
  position: absolute;
  left: 50%; top: -180px;
  width: 900px; height: 520px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(0, 255, 163, 0.14), transparent 72%);
  filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 60px;
  align-items: center;
  padding-bottom: 76px;
}

.hero-copy { min-width: 0; }

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px;
  border: 1px solid rgba(0, 255, 163, 0.24);
  border-radius: 999px;
  background: var(--neon-soft);
  font-size: 11.5px;
  letter-spacing: 0.15em;
  color: #9dffd6;
  margin-bottom: 26px;
}
.pulse-dot {
  position: relative;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--neon);
  flex-shrink: 0;
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--neon-dim);
  animation: ringOut 2.4s infinite;
}
@keyframes ringOut {
  0%   { transform: scale(0.7); opacity: 0.9; }
  100% { transform: scale(1.7); opacity: 0; }
}

.hero h1 {
  font-size: clamp(36px, 5.4vw, 66px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.14;
}
.grad {
  background: linear-gradient(100deg, var(--neon) 8%, var(--cyan) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: 26px;
  max-width: 560px;
  color: var(--text-2);
  font-size: 17px;
}
.hero-sub strong { color: #d5f7e9; font-weight: 600; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 14px;
}
.hero-badges li { display: flex; align-items: baseline; gap: 8px; }
.hero-badges .mono { color: var(--neon); font-size: 15px; font-weight: 500; }

/* ---------- 实验室终端 ---------- */
.terminal {
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(12, 17, 24, 0.94), rgba(7, 10, 14, 0.94));
  box-shadow: 0 40px 90px -50px rgba(0, 255, 163, 0.4), 0 0 0 1px rgba(0, 0, 0, 0.4) inset;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.022);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.terminal-title { margin-left: 8px; font-size: 11.5px; color: var(--text-3); letter-spacing: 0.04em; }

.terminal-body {
  padding: 18px 18px 14px;
  font-size: 12.6px;
  line-height: 1.95;
  color: #c3d1e2;
}
.terminal-body p { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-dim  { color: var(--text-3); }
.t-ok   { color: var(--neon); }
.t-warn { color: var(--warm); }
.log-line { opacity: 1; }
html:not(.no-js) .log-line { opacity: 0; animation: logIn 0.5s var(--ease) forwards; }
html:not(.no-js) .log-line:nth-child(6) { animation-delay: 0.3s; }
html:not(.no-js) .log-line:nth-child(7) { animation-delay: 0.7s; }
html:not(.no-js) .log-line:nth-child(8) { animation-delay: 1.1s; }
html:not(.no-js) .log-line:nth-child(9) { animation-delay: 1.5s; }
@keyframes logIn {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: none; }
}
.caret { animation: blink 1.1s steps(1) infinite; color: var(--neon); }
@keyframes blink { 50% { opacity: 0; } }

.terminal-foot {
  display: grid;
  gap: 12px;
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.014);
}
.meter { display: flex; align-items: center; gap: 12px; font-size: 11.5px; }
.meter-label { color: var(--text-3); width: 62px; flex-shrink: 0; letter-spacing: 0.05em; }
.meter-track {
  flex: 1;
  height: 5px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}
.meter-track i {
  display: block;
  height: 100%;
  width: var(--v);
  border-radius: 99px;
  background: linear-gradient(90deg, var(--neon), #35e8c0);
  box-shadow: 0 0 12px rgba(0, 255, 163, 0.6);
}
html:not(.no-js) .meter-track i { width: 0; animation: fillBar 1.6s var(--ease) 0.4s forwards; }
.meter-track i.is-cyan {
  background: linear-gradient(90deg, var(--cyan), #7ce8ff);
  box-shadow: 0 0 12px rgba(56, 217, 255, 0.6);
}
@keyframes fillBar { to { width: var(--v); } }
.meter-val { color: var(--text-2); width: 34px; text-align: right; flex-shrink: 0; }

/* ---------- 首屏跑马灯 ---------- */
.hero-marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.014);
  overflow: hidden;
  padding: 13px 0;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 22px;
  width: max-content;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--text-3);
  animation: marquee 42s linear infinite;
}
.marquee-track span:nth-child(even) { color: var(--neon); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================================
   数据
   ========================================================= */
.section-stats { padding: 66px 0; }
.counter { font-variant-numeric: tabular-nums; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
  overflow: hidden;
}
.stat {
  padding: 32px 26px;
  background: var(--bg-1);
  text-align: center;
  transition: background 0.3s var(--ease);
}
.stat:hover { background: var(--bg-2); }
.stat-num { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; line-height: 1.1; }
.stat-num .mono {
  background: linear-gradient(120deg, #ffffff, var(--neon));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { margin-top: 8px; color: var(--text-3); font-size: 14px; }

/* =========================================================
   产品矩阵
   ========================================================= */
.products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.product {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.032), rgba(255, 255, 255, 0.008));
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
/* 跟随鼠标的霓虹光斑 */
.product::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(0, 255, 163, 0.1), transparent 68%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.product:hover::before { opacity: 1; }
.product:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 255, 163, 0.34);
  box-shadow: 0 30px 70px -40px rgba(0, 255, 163, 0.55);
}
.product > * { position: relative; z-index: 1; }

.product-featured {
  border-color: rgba(56, 217, 255, 0.24);
  background: linear-gradient(180deg, rgba(56, 217, 255, 0.06), rgba(255, 255, 255, 0.008));
}
.product-featured::before {
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(56, 217, 255, 0.12), transparent 68%);
}
.product-featured:hover {
  border-color: rgba(56, 217, 255, 0.42);
  box-shadow: 0 30px 70px -40px rgba(56, 217, 255, 0.55);
}

.product-dev {
  border-color: rgba(255, 182, 92, 0.22);
  background:
    repeating-linear-gradient(135deg, rgba(255, 182, 92, 0.035) 0 12px, transparent 12px 24px),
    linear-gradient(180deg, rgba(255, 182, 92, 0.05), rgba(255, 255, 255, 0.008));
}
.product-dev::before {
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 182, 92, 0.13), transparent 68%);
}
.product-dev:hover {
  border-color: rgba(255, 182, 92, 0.42);
  box-shadow: 0 30px 70px -40px rgba(255, 182, 92, 0.5);
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.product-icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 13px;
  border: 1px solid rgba(0, 255, 163, 0.28);
  background: var(--neon-soft);
  color: var(--neon);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.product-icon svg { width: 23px; height: 23px; }
.product:hover .product-icon {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 22px -4px rgba(0, 255, 163, 0.65);
}
.product-icon.is-cyan {
  border-color: rgba(56, 217, 255, 0.28);
  background: var(--cyan-soft);
  color: var(--cyan);
}
.product-featured:hover .product-icon { box-shadow: 0 0 22px -4px rgba(56, 217, 255, 0.65); }
.product-icon.is-warm {
  border-color: rgba(255, 182, 92, 0.3);
  background: var(--warm-soft);
  color: var(--warm);
}
.product-dev:hover .product-icon { box-shadow: 0 0 22px -4px rgba(255, 182, 92, 0.6); }

.product h3 { font-size: 21px; }
.product-code {
  margin-top: 7px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
}
.product-desc {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 14.8px;
  line-height: 1.78;
}

.feature-list {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}
.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.3px;
  color: #b8c5d6;
  line-height: 1.65;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 9px;
  width: 5px; height: 5px;
  border-radius: 1px;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon-dim);
  transform: rotate(45deg);
}
.product-featured .feature-list li::before { background: var(--cyan); box-shadow: 0 0 8px rgba(56, 217, 255, 0.6); }
.product-dev .feature-list li::before { background: var(--warm); box-shadow: 0 0 8px rgba(255, 182, 92, 0.6); }

.spec-list {
  margin-top: 22px;
  display: grid;
  gap: 8px;
  font-size: 12.3px;
}
.spec-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.spec-list span { color: var(--text-3); letter-spacing: 0.05em; }
.spec-list b { color: var(--text); font-weight: 500; }

/* 价格行：重点信息，用强调色突出 */
.spec-list li.is-price {
  align-items: baseline;
  margin-top: 2px;
  padding: 9px 12px;
  border: 1px solid rgba(0, 255, 163, 0.22);
  border-radius: 10px;
  background: var(--neon-soft);
}
.spec-list li.is-price span { color: #9dffd6; opacity: 0.85; }
.spec-list li.is-price b {
  font-weight: 700;
  font-size: 13.6px;
  color: #7dffc8;
  text-shadow: 0 0 18px rgba(0, 255, 163, 0.45);
}
.product-featured .spec-list li.is-price {
  border-color: rgba(56, 217, 255, 0.26);
  background: var(--cyan-soft);
}
.product-featured .spec-list li.is-price span { color: #b6eeff; }
.product-featured .spec-list li.is-price b {
  color: #93e9ff;
  text-shadow: 0 0 18px rgba(56, 217, 255, 0.45);
}

/* 演示站入口 */
.demo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 11px 14px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  font-size: 12.6px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
              transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.demo-row:hover {
  transform: translateY(-2px);
  border-color: var(--neon-dim);
  background: var(--neon-soft);
  box-shadow: 0 12px 30px -18px rgba(0, 255, 163, 0.7);
}
.demo-label {
  flex-shrink: 0;
  color: var(--neon);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}
.demo-url {
  flex: 1;
  min-width: 0;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.demo-arrow {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  color: var(--neon);
  transition: transform 0.25s var(--ease);
}
.demo-row:hover .demo-arrow { transform: translate(2px, -2px); }

.demo-row.is-cyan .demo-label,
.demo-row.is-cyan .demo-arrow { color: var(--cyan); }
.demo-row.is-cyan:hover {
  border-color: rgba(56, 217, 255, 0.5);
  background: var(--cyan-soft);
  box-shadow: 0 12px 30px -18px rgba(56, 217, 255, 0.7);
}

.product-link {
  margin-top: auto;
  padding-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--neon);
  font-size: 14.5px;
  font-weight: 600;
}
.product-link span { transition: transform 0.28s var(--ease); }
.product-link:hover span { transform: translateX(5px); }
.product-link.is-cyan { color: var(--cyan); }
.product-link.is-warm { color: var(--warm); }

/* =========================================================
   同城旅游平台
   ========================================================= */
.section-platform {
  background: linear-gradient(180deg, transparent, rgba(0, 255, 163, 0.028) 30%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.platform-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.platform-notes { min-width: 0; }
.notes { display: grid; gap: 8px; }
.notes li {
  display: flex;
  gap: 18px;
  padding: 22px 22px 22px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.notes li:hover {
  background: var(--surface);
  border-color: var(--line);
  transform: translateX(4px);
}
.note-no {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--neon);
  padding-top: 4px;
  letter-spacing: 0.08em;
}
.notes h4 { font-size: 16.5px; }
.notes p { margin-top: 7px; color: var(--text-2); font-size: 14.6px; line-height: 1.72; }

.roadmap {
  padding: 28px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.036), rgba(255, 255, 255, 0.008));
}
.roadmap-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--text-3);
}
.roadmap-list { position: relative; margin-top: 24px; display: grid; gap: 6px; }
.roadmap-list li {
  position: relative;
  display: flex;
  gap: 18px;
  padding: 0 0 26px;
}
.roadmap-list li:last-child { padding-bottom: 4px; }
/* 竖线 */
.roadmap-list li::before {
  content: "";
  position: absolute;
  left: 5.5px; top: 18px; bottom: -2px;
  width: 1px;
  background: var(--line-2);
}
.roadmap-list li:last-child::before { display: none; }
.roadmap-list li.done::before { background: linear-gradient(180deg, var(--neon), rgba(0, 255, 163, 0.2)); }
.rm-dot {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 12px; height: 12px;
  margin-top: 5px;
  border-radius: 50%;
  border: 2px solid var(--text-3);
  background: var(--bg-1);
}
.done .rm-dot { border-color: var(--neon); background: var(--neon); box-shadow: 0 0 12px rgba(0, 255, 163, 0.7); }
.doing .rm-dot {
  border-color: var(--warm);
  background: var(--bg-1);
  box-shadow: 0 0 0 0 rgba(255, 182, 92, 0.55);
  animation: livePulseWarm 2.2s infinite;
}
@keyframes livePulseWarm {
  0%   { box-shadow: 0 0 0 0 rgba(255, 182, 92, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(255, 182, 92, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 182, 92, 0); }
}
.rm-time { font-size: 11px; letter-spacing: 0.12em; color: var(--text-3); }
.done .rm-time { color: var(--neon); }
.doing .rm-time { color: var(--warm); }
.roadmap-list h4 { margin-top: 7px; font-size: 15.5px; }
.roadmap-list p:not(.rm-time) { margin-top: 6px; color: var(--text-2); font-size: 14.2px; line-height: 1.7; }
.roadmap-cta { padding-top: 22px; border-top: 1px solid var(--line); }

/* =========================================================
   技术能力
   ========================================================= */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.cap {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.cap:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 163, 0.3);
  background: var(--surface-2);
}
.cap-icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  margin-bottom: 18px;
  border-radius: 11px;
  border: 1px solid rgba(0, 255, 163, 0.22);
  background: var(--neon-soft);
  color: var(--neon);
}
.cap-icon svg { width: 21px; height: 21px; }
.cap-icon.is-cyan {
  border-color: rgba(56, 217, 255, 0.22);
  background: var(--cyan-soft);
  color: var(--cyan);
}
.cap h3 { font-size: 17px; }
.cap p { margin-top: 10px; color: var(--text-2); font-size: 14.4px; line-height: 1.72; }

.stack {
  margin-top: 34px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.stack-title { font-size: 11.5px; letter-spacing: 0.16em; color: var(--neon); }
.stack-cats {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
}
.stack-cat h4 {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  padding: 5px 11px;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.026);
  font-size: 11.8px;
  color: #b8c5d6;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background 0.24s var(--ease);
}
.tags li:hover {
  border-color: var(--neon-dim);
  color: #d9fff0;
  background: var(--neon-soft);
}

/* =========================================================
   合作流程
   ========================================================= */
.section-process { border-top: 1px solid var(--line); }
.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  counter-reset: step;
}
.process li {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.process li::after {
  content: "";
  position: absolute;
  top: 38px; right: -13px;
  width: 8px; height: 8px;
  border-top: 1px solid var(--line-2);
  border-right: 1px solid var(--line-2);
  transform: rotate(45deg);
  z-index: 2;
}
.process li:last-child::after { display: none; }
.process li:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 163, 0.3);
}
.step-no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon);
  margin-bottom: 14px;
}
.process h3 { font-size: 16.5px; }
.process p { margin-top: 9px; color: var(--text-2); font-size: 14.2px; line-height: 1.7; }
.step-meta {
  display: inline-block;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  width: 100%;
  font-size: 11.5px;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

/* =========================================================
   联系我们
   ========================================================= */
.section-contact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(60% 60% at 12% 0%, rgba(0, 255, 163, 0.07), transparent 62%),
    radial-gradient(50% 50% at 92% 100%, rgba(56, 217, 255, 0.06), transparent 62%);
}
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 52px;
  align-items: start;
}
.contact-copy h2 { font-size: clamp(28px, 3.4vw, 42px); }
.contact-copy .section-sub { max-width: 560px; }

.contact-list { margin-top: 40px; display: grid; gap: 2px; }
.contact-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.contact-ico {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: 11px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--neon);
}
.contact-ico svg { width: 19px; height: 19px; }
.contact-list li > div { flex: 1; min-width: 0; }
.contact-label { font-size: 12.5px; color: var(--text-3); letter-spacing: 0.05em; }
.contact-value { font-size: 15.5px; color: var(--text); margin-top: 2px; word-break: break-all; }
.copy-btn { flex-shrink: 0; }
.copy-btn.is-copied {
  border-color: var(--neon);
  background: var(--neon-soft);
  color: var(--neon);
}

.contact-card {
  padding: 28px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  box-shadow: 0 40px 90px -60px rgba(0, 255, 163, 0.5);
  text-align: center;
}
.qr {
  display: grid;
  place-items: center;
  gap: 8px;
  aspect-ratio: 1 / 1;
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.018) 0 10px, transparent 10px 20px),
    var(--surface);
  color: var(--text-3);
}
.qr span { font-size: 11.5px; letter-spacing: 0.2em; }
.qr em { font-style: normal; font-size: 13.5px; color: var(--text-2); }
.qr-hint {
  margin-top: 14px;
  font-size: 12.2px;
  line-height: 1.7;
  color: var(--text-3);
  text-align: left;
}
.qr-hint .mono { color: var(--cyan); font-size: 11.6px; }
.contact-actions {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}
.contact-note {
  margin-top: 16px;
  font-size: 11.5px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  background: #04060a;
  padding: 60px 0 28px;
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand { min-width: 0; }
.footer-slogan { margin-top: 18px; color: var(--text-3); font-size: 14.5px; }
.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.footer-nav h4 {
  font-size: 12.5px;
  color: var(--neon);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-weight: 500;
}
.footer-nav a, .footer-nav span {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}
.footer-nav a:hover { color: var(--neon); transform: translateX(3px); }
.footer-nav span { color: var(--text-3); font-size: 12.8px; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 13px;
}
.footer-bottom .mono { font-size: 12px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .terminal { max-width: 620px; }
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-dev { grid-column: 1 / -1; }
  .platform-grid { grid-template-columns: 1fr; gap: 36px; }
  .cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stack-cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process li::after { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-card { max-width: 460px; }
}

@media (max-width: 820px) {
  .nav {
    position: fixed;
    inset: 70px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 16px 20px 24px;
    background: rgba(6, 9, 13, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 14px 12px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .lab-live { display: none; }

  .section { padding: 78px 0; }
  .section-stats { padding: 48px 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .products { grid-template-columns: 1fr; }
  .product-dev { grid-column: auto; }
  .cap-grid { grid-template-columns: 1fr; }
  .stack-cats { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .hero { padding-top: 62px; }
  .hero-inner { padding-bottom: 56px; }
  .section { padding: 62px 0; }
  .section-head { margin-bottom: 38px; }
  .btn { padding: 12px 20px; font-size: 14.5px; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-badges { gap: 10px 20px; font-size: 13px; }
  .stats { grid-template-columns: 1fr; }
  .product { padding: 24px 20px 22px; }
  .roadmap, .stack, .contact-card { padding: 22px; }
  .terminal-body { font-size: 11.4px; padding: 14px; }
  .contact-list li { flex-wrap: wrap; }
  .contact-actions .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   偏好设置与打印
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none; }
  .log-line { opacity: 1; }
  .meter-track i { width: var(--v); }
}

@media print {
  body { background: #fff; color: #000; }
  body::before, body::after, .hero-canvas, .hero-glow, .site-header, .hero-marquee { display: none; }
  .section { padding: 24px 0; page-break-inside: avoid; }
}