:root {
  color-scheme: dark light;
  --bg-0: #050816; --bg-1: #0a1028; --bg-2: #12183a;
  --text: #f0f4ff; --muted: rgba(240,244,255,.7); --soft: rgba(240,244,255,.1); --line: rgba(255,255,255,.12);
  --cyan: #54f6ff; --blue: #6aa8ff; --purple: #b268ff; --pink: #ff6bd6; --gold: #ffd36a; --green: #72ffb6;
  --shadow: 0 4px 20px rgba(0,0,0,.25);
  --radius-xl: 24px; --radius-lg: 16px; --radius-md: 12px; --max: 1180px;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg-0: #eef6ff; --bg-1: #f5faff; --bg-2: #e0ecff;
  --text: #0a1628; --muted: rgba(10,22,40,.65); --soft: rgba(10,22,40,.08); --line: rgba(10,22,40,.1);
  --cyan: #007fa8; --blue: #385dff; --purple: #7b3ff2; --pink: #d12aa2; --gold: #a56f00; --green: #087f54;
  --shadow: 0 4px 20px rgba(0,0,0,.1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  background: linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-2) 100%);
  min-height: 100vh; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

/* 移除噪点纹理以节约算力 */
.noise { display: none; }

#starfield { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -4; pointer-events: none; }

/* 简化鼠标跟随聚光灯 */
.spotlight {
  position: fixed; inset: 0; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(84,246,255,.05), transparent 60%);
  z-index: 2;
}

.shell { width: min(100% - 40px, var(--max)); margin-inline: auto; }

.topbar {
  position: sticky; top: 16px; z-index: 12; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  width: min(100% - 40px, var(--max)); margin: 16px auto 0; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 999px;
  background: rgba(5,8,22,.6); backdrop-filter: blur(12px); box-shadow: var(--shadow);
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark {
  position: relative; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 15px;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 0 20px rgba(84,246,255,.25); overflow: hidden; flex: none;
}
.brand-mark::before {
  content: ""; position: absolute; inset: -34%;
  background: conic-gradient(from 180deg, var(--cyan), var(--purple), var(--pink), var(--gold), var(--cyan));
  opacity: .4;
}
.brand-mark img { position: relative; z-index: 1; width: 100%; height: 100%; padding: 4px; object-fit: contain; border-radius: 13px; background: rgba(255,255,255,.82); filter: drop-shadow(0 4px 10px rgba(0,0,0,.2)); }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; font-weight: 500; letter-spacing: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 220px; }
.navlinks { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,.78); font-size: 14px; }
.navlinks a { padding: 10px 12px; border-radius: 999px; transition: .2s ease; }
.navlinks a:hover { color: white; background: rgba(255,255,255,.10); }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-width: 0; }
.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.14); border-radius: 999px; color: rgba(255,255,255,.86);
  background: rgba(255,255,255,.075); cursor: pointer; transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.theme-toggle:hover { transform: translateY(-1px); border-color: rgba(84,246,255,.3); background: rgba(255,255,255,.12); }
.theme-toggle .theme-icon { display: grid; place-items: center; width: 18px; height: 18px; }
.theme-toggle .theme-text { font-size: 13px; font-weight: 750; white-space: nowrap; }

.hero { position: relative; min-height: calc(100vh - 80px); display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 42px; padding: 76px 0 64px; }

/* 简化极光环：移除动画，降低透明度 */
.aurora-ring {
  position: absolute; right: min(5vw, 52px); top: 12%; width: clamp(260px, 42vw, 580px); aspect-ratio: 1; border-radius: 50%; pointer-events: none; z-index: -1; opacity: .25;
  background: conic-gradient(from 180deg, rgba(84,246,255,.3), rgba(178,104,255,.1), rgba(255,107,214,.3), rgba(255,211,106,.1), rgba(84,246,255,.3));
  mask-image: radial-gradient(circle, transparent 45%, black 46%, black 49%, transparent 50%, transparent 64%, black 65%, black 67%, transparent 68%);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid rgba(84,246,255,.2); border-radius: 999px;
  color: rgba(255,255,255,.85); background: rgba(84,246,255,.08);
  font-size: 14px;
}

/* 移除脉冲动画，改用静态光晕 */
.pulse-dot {
  width: 9px; height: 9px; border-radius: 999px; background: var(--green);
  box-shadow: 0 0 8px rgba(114,255,182,.5);
  flex: none;
}

h1 { margin: 24px 0 18px; font-size: clamp(48px, 8vw, 104px); line-height: .92; letter-spacing: -0.08em; text-wrap: balance; }
.gradient-text {
  display: inline-block; background: linear-gradient(100deg, #fff 0%, var(--cyan) 24%, var(--blue) 48%, var(--pink) 74%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { max-width: 720px; color: var(--muted); font-size: clamp(17px, 2vw, 22px); line-height: 1.78; margin: 0; }
.lead strong { color: white; font-weight: 800; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }

/* 简化按钮：移除闪光伪元素和复杂阴影 */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 20px; border-radius: 999px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.08); color: white; box-shadow: var(--shadow);
  overflow: hidden; transition: transform .2s ease, border .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); border-color: rgba(84,246,255,.3); background: rgba(255,255,255,.12); }
.btn.primary {
  color: #06101f; border: 0;
  background: linear-gradient(100deg, var(--cyan), var(--blue) 42%, var(--pink));
  font-weight: 800;
}

.micro-note { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; color: rgba(255,255,255,.66); font-size: 13px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.055); }
.chip b { color: #fff; }

/* 简化指挥舱：移除旋转边框动画和复杂背景 */
.command-center {
  position: relative; padding: 18px; border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,.12); overflow: hidden; isolation: isolate;
  background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.04));
  box-shadow: var(--shadow); backdrop-filter: blur(12px);
}
.command-center::before { display: none; }
.command-center::after { display: none; }

.terminal-bar {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px;
  margin-bottom: 14px; padding: 10px; border-radius: 18px; border: 1px solid rgba(255,255,255,.12); font-size: 13px;
  background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.04)), rgba(0,0,0,.18); color: rgba(255,255,255,.70); box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.address-pill { min-width: 0; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.11); background: rgba(255,255,255,.075); color: rgba(255,255,255,.82); box-shadow: inset 0 1px 0 rgba(255,255,255,.08); }
.address-pill span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-pill { padding: 8px 10px; border-radius: 999px; color: rgba(114,255,182,.96); background: rgba(114,255,182,.10); border: 1px solid rgba(114,255,182,.24); font-size: 12px; font-weight: 850; letter-spacing: .10em; }
.dots { display: flex; gap: 7px; }
.dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.25); }
.dots span:nth-child(1) { background: #ff6b8b; } .dots span:nth-child(2) { background: #ffd36a; } .dots span:nth-child(3) { background: #72ffb6; }

/* 简化轨道卡片 */
.orbital-card {
  position: relative; display: grid; gap: 16px; min-height: 400px; padding: clamp(22px, 4vw, 34px); border-radius: 20px; border: 1px solid rgba(255,255,255,.1); overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
}
.orbit-lines { position: absolute; inset: 14px; border-radius: 50%; border: 1px solid rgba(84,246,255,.12); transform: rotate(-11deg); opacity: .6; pointer-events: none; }
.orbit-lines::before, .orbit-lines::after { content: ""; position: absolute; inset: 50px; border-radius: 50%; border: 1px solid rgba(255,107,214,.12); }
.orbit-lines::after { inset: 104px; border-color: rgba(255,211,106,.14); }

/* 简化核心球体：移除浮动动画 */
.core-sphere {
  position: absolute; right: 50%; top: 50%; width: min(48vw, 280px); aspect-ratio: 1; transform: translate(50%, -50%); border-radius: 50%; pointer-events: none; opacity: .65;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.9), rgba(255,255,255,.2) 14%, transparent 24%),
    radial-gradient(circle at 56% 60%, rgba(84,246,255,.8), rgba(106,168,255,.5) 28%, rgba(178,104,255,.3) 50%, transparent 70%);
  box-shadow: 0 0 30px rgba(84,246,255,.2);
}

.stat-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: auto; }
.stat { min-height: 110px; padding: 16px; border-radius: 16px; border: 1px solid rgba(255,255,255,.1); background: rgba(2,6,18,.45); backdrop-filter: blur(10px); }
.stat span { display: block; color: rgba(255,255,255,.64); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.stat strong { display: block; margin-top: 12px; font-size: clamp(28px, 4vw, 48px); line-height: 1; letter-spacing: -0.06em; }
.stat small { display: block; margin-top: 8px; color: rgba(255,255,255,.58); }

section { padding: 78px 0; }
.section-head { max-width: 850px; margin-bottom: 30px; }
.kicker { margin: 0 0 14px; color: var(--cyan); font-weight: 800; letter-spacing: .18em; text-transform: uppercase; font-size: 12px; }
h2 { margin: 0; font-size: clamp(34px, 5vw, 64px); line-height: 1; letter-spacing: -0.06em; text-wrap: balance; }
.section-head p { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.8; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card { position: relative; padding: 22px; min-height: 170px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,.1); overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); box-shadow: var(--shadow);
}
.metric-card::after { content: ""; position: absolute; right: -36px; top: -46px; width: 120px; height: 120px; border-radius: 999px; background: var(--accent, rgba(84,246,255,.12)); filter: blur(14px); opacity: .6; }
.metric-card .icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 18px; border-radius: 16px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.12); }
.metric-card strong { display: block; font-size: 30px; line-height: 1.05; letter-spacing: -0.04em; }
.metric-card p { margin: 10px 0 0; color: rgba(255,255,255,.65); line-height: 1.65; font-size: 14px; }

.countdown-panel { display: grid; grid-template-columns: .95fr 1.05fr; gap: 18px; align-items: stretch; margin-top: 18px; }
.big-time { position: relative; padding: clamp(24px, 5vw, 42px); border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,.1); overflow: hidden;
  background: linear-gradient(130deg, rgba(84,246,255,.08), rgba(178,104,255,.06), rgba(255,107,214,.04)), rgba(255,255,255,.04); box-shadow: var(--shadow);
}
.big-time::before { display: none; }
.big-time .label { color: var(--muted); letter-spacing: .16em; text-transform: uppercase; font-size: 12px; font-weight: 800; }
.day-number { margin: 18px 0 8px; font-size: clamp(64px, 12vw, 130px); line-height: .9; letter-spacing: -0.08em; font-weight: 900;
  background: linear-gradient(90deg, white, var(--cyan), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.big-time p { position: relative; margin: 0; color: rgba(255,255,255,.70); line-height: 1.8; }
.time-boxes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.time-box { display: flex; flex-direction: column; justify-content: center; padding: 20px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.06); min-height: 120px; }
.time-box b { font-size: clamp(34px, 5vw, 62px); letter-spacing: -0.07em; line-height: 1; }
.time-box span { margin-top: 8px; color: rgba(255,255,255,.62); }

.galaxy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tool-cluster { position: relative; min-height: 230px; padding: 24px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,.1); overflow: hidden; transition: transform .2s ease, border-color .2s ease;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); box-shadow: var(--shadow);
}
.tool-cluster:hover { transform: translateY(-4px); border-color: rgba(84,246,255,.25); }
.tool-cluster::before { content: ""; position: absolute; width: 140px; height: 140px; right: -52px; top: -58px; border-radius: 50%; background: radial-gradient(circle, var(--cluster, rgba(84,246,255,.15)), transparent 70%); filter: blur(3px); }
.tool-cluster h3 { position: relative; margin: 0 0 12px; font-size: 22px; letter-spacing: -0.03em; }
.tool-cluster p { position: relative; margin: 0; color: rgba(255,255,255,.68); line-height: 1.7; }
.tag-row { position: relative; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { padding: 7px 9px; border-radius: 999px; color: rgba(255,255,255,.82); background: rgba(255,255,255,.085); border: 1px solid rgba(255,255,255,.10); font-size: 13px; }

.showcase { display: grid; grid-template-columns: .85fr 1.15fr; gap: 18px; align-items: start; }
.panel { border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-xl); overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); box-shadow: var(--shadow);
}
.panel-pad { padding: clamp(22px, 4vw, 34px); }
.panel h3 { margin: 0; font-size: clamp(24px, 3vw, 38px); letter-spacing: -0.05em; }
.panel p { margin: 14px 0 0; color: rgba(255,255,255,.68); line-height: 1.75; }
.searchbox { position: relative; margin-top: 22px; }
.searchbox input { width: 100%; height: 52px; padding: 0 46px 0 18px; color: white; outline: none; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(0,0,0,.15); }
.searchbox svg { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); opacity: .7; pointer-events: none; }
.mini-tools { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 18px; }
.mini-tool { padding: 14px; min-height: 80px; border-radius: 14px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05); transition: .2s ease; display: block; }
.mini-tool:hover { transform: translateY(-2px); border-color: rgba(84,246,255,.25); background: rgba(255,255,255,.08); }
.mini-tool b { display: block; margin-bottom: 8px; }
.mini-tool span { color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.55; }
.timeline { position: relative; padding: 4px 0 4px 24px; margin-top: 24px; border-left: 1px solid rgba(255,255,255,.16); }
.timeline-item { position: relative; padding: 0 0 28px 0; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -31px; top: 3px; width: 13px; height: 13px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px rgba(84,246,255,.4); }
.timeline-item b { display: block; font-size: 17px; }
.timeline-item span { display: block; margin-top: 6px; color: rgba(255,255,255,.62); line-height: 1.65; }

.quote-wall { position: relative; margin-top: 14px; padding: clamp(28px, 5vw, 52px); border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,.1); overflow: hidden;
  background: linear-gradient(120deg, rgba(84,246,255,.06), rgba(255,107,214,.06)), rgba(255,255,255,.04); box-shadow: var(--shadow);
}
.quote-wall::before { display: none; }
.quote-wall p { position: relative; margin: 0; max-width: 920px; font-size: clamp(23px, 3.8vw, 48px); line-height: 1.25; letter-spacing: -0.055em; font-weight: 850; }
.quote-wall small { position: relative; display: block; margin-top: 18px; color: rgba(255,255,255,.62); line-height: 1.7; }

.final-cta { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: clamp(26px, 5vw, 48px); border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,.1); overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); box-shadow: var(--shadow);
}
.final-cta h2 { margin-bottom: 12px; }
.final-cta p { margin: 0; color: rgba(255,255,255,.68); line-height: 1.75; max-width: 760px; }

footer { padding: 24px 0 40px; color: rgba(255,255,255,.5); font-size: 14px; }
footer .shell { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Light theme simplified */
html[data-theme="light"] body { background: linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-2) 100%); }
html[data-theme="light"] .spotlight { background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(0,127,168,.06), transparent 60%); }
html[data-theme="light"] .topbar, html[data-theme="light"] .command-center, html[data-theme="light"] .metric-card, html[data-theme="light"] .big-time, html[data-theme="light"] .time-box, html[data-theme="light"] .tool-cluster, html[data-theme="light"] .panel, html[data-theme="light"] .mini-tool, html[data-theme="light"] .quote-wall, html[data-theme="light"] .final-cta {
  border-color: rgba(10,22,40,.1); background: rgba(255,255,255,.6); box-shadow: var(--shadow);
}
html[data-theme="light"] .topbar { background: rgba(255,255,255,.7); }
html[data-theme="light"] .command-center::after { display: none; }
html[data-theme="light"] .terminal-bar, html[data-theme="light"] .address-pill, html[data-theme="light"] .chip, html[data-theme="light"] .metric-card .icon, html[data-theme="light"] .tag, html[data-theme="light"] .searchbox input {
  color: rgba(10,22,40,.7); border-color: rgba(10,22,40,.1); background: rgba(255,255,255,.5);
}
html[data-theme="light"] .brand-mark { border-color: rgba(10,22,40,.1); background: rgba(255,255,255,.6); }
html[data-theme="light"] .navlinks, html[data-theme="light"] .theme-toggle { color: rgba(10,22,40,.7); }
html[data-theme="light"] .navlinks a:hover, html[data-theme="light"] .theme-toggle:hover { color: #0a1628; background: rgba(10,22,40,.06); }
html[data-theme="light"] .theme-toggle { border-color: rgba(10,22,40,.1); background: rgba(255,255,255,.5); }
html[data-theme="light"] .lead, html[data-theme="light"] .micro-note, html[data-theme="light"] .stat span, html[data-theme="light"] .stat small, html[data-theme="light"] .metric-card p, html[data-theme="light"] .tool-cluster p, html[data-theme="light"] .panel p, html[data-theme="light"] .mini-tool span, html[data-theme="light"] .timeline-item span, html[data-theme="light"] .quote-wall small, html[data-theme="light"] .final-cta p, html[data-theme="light"] .big-time p, html[data-theme="light"] .time-box span, html[data-theme="light"] footer {
  color: rgba(10,22,40,.6);
}
html[data-theme="light"] .chip b, html[data-theme="light"] .tag, html[data-theme="light"] .address-pill, html[data-theme="light"] .searchbox input, html[data-theme="light"] .stat, html[data-theme="light"] .metric-card strong, html[data-theme="light"] .tool-cluster h3, html[data-theme="light"] .mini-tool b {
  color: #0a1628;
}
html[data-theme="light"] .stat, html[data-theme="light"] .time-box, html[data-theme="light"] .mini-tool { background: rgba(255,255,255,.55); border-color: rgba(10,22,40,.08); }
html[data-theme="light"] .day-number { background: linear-gradient(90deg, #0a1628, var(--cyan), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
html[data-theme="light"] .btn { color: #0a1628; border-color: rgba(10,22,40,.1); background: rgba(255,255,255,.5); }
html[data-theme="light"] .btn.primary { color: white; background: linear-gradient(100deg, #007fa8, #385dff 48%, #d12aa2); }
html[data-theme="light"] footer .shell { border-top-color: rgba(10,22,40,.1); }
html[data-theme="light"] .quote-wall::before { color: rgba(10,22,40,.07); }
html[data-theme="light"] .lead strong { color: #0a1628; }
html[data-theme="light"] .eyebrow { color: rgba(10,22,40,.7); border-color: rgba(0,127,168,.15); background: rgba(0,127,168,.05); }
html[data-theme="light"] .gradient-text { background: linear-gradient(100deg, #0a1628 0%, var(--cyan) 28%, var(--blue) 52%, var(--pink) 78%, var(--gold) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

@media (max-width: 980px) {
  .topbar { align-items: flex-start; border-radius: 26px; }
  .navlinks { display: none; }
  .hero, .countdown-panel, .showcase, .final-cta { grid-template-columns: 1fr; }
  .hero { min-height: unset; padding-top: 56px; }
  .command-center { max-width: 640px; margin-inline: auto; width: 100%; }
  .metrics, .galaxy { grid-template-columns: repeat(2, 1fr); }
  .final-cta .hero-actions { margin-top: 0; }
}
@media (max-width: 640px) {
  .shell, .topbar { width: min(100% - 28px, var(--max)); }
  .topbar { top: 10px; margin-top: 10px; padding: 10px; }
  .terminal-bar { grid-template-columns: auto minmax(0, 1fr); }
  .status-pill { display: none; }
  .theme-toggle .theme-text { display: none; }
  .brand small { max-width: 178px; }
  .hero { gap: 26px; padding: 46px 0 36px; }
  h1 { font-size: clamp(44px, 15vw, 68px); }
  section { padding: 52px 0; }
  .metrics, .galaxy, .mini-tools, .stat-grid, .time-boxes { grid-template-columns: 1fr; }
  .metric-card, .tool-cluster { min-height: auto; }
  .orbital-card { min-height: 390px; }
  .core-sphere { width: min(74vw, 270px); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .day-number { font-size: clamp(70px, 25vw, 112px); }

  /* 修复 footer 手机版排版 */
  footer { padding: 20px 0 32px; }
  footer .shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
  }
  footer .shell > div, footer .shell > span {
    max-width: 100%;
    line-height: 1.6;
  }
  footer span { margin-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
}

/* Custom color variables */
.metric-card.metric-accent-cyan { --accent: rgba(84,246,255,.25); }
.metric-card.metric-accent-pink { --accent: rgba(255,107,214,.22); }
.metric-card.metric-accent-gold { --accent: rgba(255,211,106,.24); }
.metric-card.metric-accent-green { --accent: rgba(114,255,182,.20); }
.tool-cluster.cluster-cyan { --cluster: rgba(84,246,255,.28); }
.tool-cluster.cluster-gold { --cluster: rgba(255,211,106,.24); }
.tool-cluster.cluster-pink { --cluster: rgba(255,107,214,.25); }
.tool-cluster.cluster-green { --cluster: rgba(114,255,182,.23); }
.tool-cluster.cluster-purple { --cluster: rgba(178,104,255,.24); }
.tool-cluster.cluster-blue { --cluster: rgba(106,168,255,.25); }