/* =========================================================
   灵感岛 · 官网设计系统（深色高级版）
   基调：近黑 + 单一靛紫点缀；靠排版、细线、留白与微光建立质感
   ========================================================= */
:root {
  --bg: #07070b;
  --bg-2: #0a0a10;
  --panel: rgba(255,255,255,.032);
  --panel-2: rgba(255,255,255,.055);
  --line: rgba(255,255,255,.085);
  --line-2: rgba(255,255,255,.16);

  --fg: #f3f3f8;
  --fg-2: #b9b9ca;
  --muted: #85859b;
  --muted-2: #5c5c72;

  --brand: #7c6cff;
  --brand-2: #a78bfa;
  --brand-3: #c4b5fd;
  --glow: rgba(124,108,255,.30);

  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #fb7185;

  --r-sm: 12px;
  --r: 18px;
  --r-lg: 26px;
  --max: 1180px;

  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display", "Segoe UI",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--fg);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 环境光：顶部紫光 + 周边冷光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 50% -12%, rgba(124,108,255,.20), transparent 68%),
    radial-gradient(700px 420px at 8% 18%, rgba(88,120,255,.09), transparent 64%),
    radial-gradient(760px 460px at 96% 34%, rgba(168,85,247,.08), transparent 62%);
}

/* 细噪点：去掉数码平滑感，增加印刷质感 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
::selection { background: rgba(124,108,255,.34); color: #fff; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}
.wrap-narrow { max-width: 900px; }

/* ================= 排版原子 ================= */
.mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 30px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.028);
  font-size: 12px;
  color: var(--fg-2);
  backdrop-filter: blur(8px);
}
.kicker b { color: var(--fg); font-weight: 600; }
.kicker .sep { width: 1px; height: 11px; background: var(--line-2); }

.pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52,211,153,.5);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,.45); }
  70% { box-shadow: 0 0 0 7px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.grad-text {
  background: linear-gradient(96deg, #ffffff 6%, #cfc9ff 42%, #9d8bff 78%, #7c6cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= 按钮 ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 44px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,.045);
  color: var(--fg);
  font-size: 14.5px;
  font-weight: 550;
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover {
  background: rgba(255,255,255,.085);
  border-color: rgba(255,255,255,.26);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(0); }

.btn-primary {
  border: none;
  background: #ffffff;
  color: #0a0a10;
  font-weight: 650;
  box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 10px 30px rgba(0,0,0,.42);
}
.btn-primary:hover {
  background: #f2f1ff;
  box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 14px 40px rgba(124,108,255,.30);
}

.btn-brand {
  border: none;
  color: #fff;
  background: linear-gradient(120deg, #6d5cf6, #8b5cf6);
  box-shadow: 0 0 0 1px rgba(255,255,255,.10) inset, 0 12px 34px rgba(124,108,255,.36);
}
.btn-brand:hover { box-shadow: 0 0 0 1px rgba(255,255,255,.16) inset, 0 16px 44px rgba(124,108,255,.46); }

.btn-lg { height: 50px; padding: 0 28px; border-radius: 14px; font-size: 15.5px; }
.btn-sm { height: 36px; padding: 0 15px; border-radius: 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* ================= 导航 ================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  transition: background .28s, border-color .28s, backdrop-filter .28s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7,7,11,.72);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15.5px;
  font-weight: 650;
  letter-spacing: -.012em;
  flex-shrink: 0;
}
.brand img {
  width: 27px; height: 27px;
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14), 0 6px 18px rgba(124,108,255,.34);
}
.brand small {
  display: block;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 8.5px;
  letter-spacing: .2em;
  color: var(--muted-2);
  font-weight: 500;
  margin-top: -3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  padding: 7px 13px;
  border-radius: 9px;
  font-size: 13.5px;
  color: var(--fg-2);
  transition: color .16s, background .16s;
}
.nav-links a:hover { color: var(--fg); background: rgba(255,255,255,.05); }
.nav-links a.active { color: var(--fg); }
.nav-links .nav-cta-inline { display: none; }
.nav-cta { margin-left: 6px; }
.nav-burger {
  display: none;
  margin-left: auto;
  width: 38px; height: 38px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,.04);
  color: var(--fg);
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

/* ================= 区块骨架 ================= */
section { position: relative; z-index: 1; }
.sec { padding: 108px 0; }
.sec-sm { padding: 72px 0; }

.sec-head { max-width: 700px; margin-bottom: 54px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 {
  margin: 18px 0 16px;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -.035em;
  font-weight: 660;
}
.sec-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 560px;
}
.sec-head.center p { margin-inline: auto; }

.rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}

/* ================= HERO ================= */
.hero {
  padding: 132px 0 0;
  text-align: center;
  position: relative;
}
.hero-eyebrow { display: flex; justify-content: center; }
.hero h1 {
  margin: 26px auto 22px;
  font-size: clamp(42px, 6.6vw, 82px);
  line-height: 1.03;
  letter-spacing: -.045em;
  font-weight: 660;
  max-width: 15em;
}
.hero h1 em { font-style: normal; display: block; }
.hero-sub {
  margin: 0 auto;
  max-width: 610px;
  font-size: clamp(15px, 1.4vw, 17.5px);
  line-height: 1.7;
  color: var(--fg-2);
}
.hero-sub b { color: var(--fg); font-weight: 600; }
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 34px 0 0;
}
.hero-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 26px;
  font-size: 12px;
  color: var(--muted-2);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta i { font-style: normal; color: var(--ok); font-size: 11px; }

/* 产品大图舞台 */
.stage {
  position: relative;
  margin: 68px auto 0;
  max-width: 1000px;
  padding: 0 28px;
}
.stage::before {
  content: "";
  position: absolute;
  left: 50%; top: 4%;
  transform: translateX(-50%);
  width: 72%; height: 70%;
  background: radial-gradient(ellipse at center, rgba(124,108,255,.34), transparent 66%);
  filter: blur(46px);
  z-index: -1;
  pointer-events: none;
}
.frame {
  position: relative;
  border-radius: 16px 16px 0 0;
  border: 1px solid rgba(255,255,255,.13);
  border-bottom: none;
  background: linear-gradient(180deg, #141420, #0c0c14);
  box-shadow:
    0 0 0 1px rgba(0,0,0,.5),
    0 40px 90px -20px rgba(0,0,0,.9),
    0 -1px 0 rgba(255,255,255,.10) inset;
  overflow: hidden;
}
.frame-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 13px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(255,255,255,.022);
}
.frame-bar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.14); }
.frame-bar .url {
  margin-left: 10px;
  flex: 1;
  max-width: 320px;
  height: 20px;
  border-radius: 6px;
  background: rgba(255,255,255,.05);
  display: flex;
  align-items: center;
  padding: 0 9px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10px;
  color: var(--muted);
}
.frame img { width: 100%; display: block; }
.stage-fade {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 170px;
  background: linear-gradient(180deg, transparent, var(--bg) 82%);
  pointer-events: none;
  z-index: 2;
}

/* 悬浮细节卡 */
.chip-float {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(16,16,24,.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px rgba(0,0,0,.6);
  font-size: 12.5px;
  color: var(--fg-2);
  animation: floaty 7s var(--ease) infinite;
}
.chip-float b { color: var(--fg); font-weight: 600; }
.chip-float .ic {
  width: 24px; height: 24px; border-radius: 7px;
  display: grid; place-items: center;
  background: rgba(124,108,255,.16);
  border: 1px solid rgba(124,108,255,.28);
  font-size: 12px;
}
.cf-1 { top: 12%; left: -6px; animation-delay: .6s; }
.cf-2 { bottom: 24%; right: -4px; animation-delay: 1.6s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ================= 数据条 ================= */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric {
  padding: 34px 20px;
  border-right: 1px solid var(--line);
}
.metric:last-child { border-right: none; }
.metric .v {
  font-size: 34px;
  font-weight: 620;
  letter-spacing: -.045em;
  line-height: 1;
  color: var(--fg);
}
.metric .v span { color: var(--muted-2); font-size: 20px; font-weight: 400; letter-spacing: 0; }
.metric .k { margin-top: 9px; font-size: 12.5px; color: var(--muted); }

/* ================= BENTO 功能网格 ================= */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.cell {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 26px 24px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(255,255,255,.055), transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,.032), rgba(255,255,255,.012));
  overflow: hidden;
  transition: border-color .26s var(--ease), transform .26s var(--ease), box-shadow .26s;
}
.cell::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
}
.cell:hover {
  border-color: rgba(255,255,255,.2);
  transform: translateY(-2px);
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.9);
}
.cell-lg { grid-column: span 3; }
.cell-md { grid-column: span 2; }
.cell-full { grid-column: span 6; flex-direction: row; align-items: center; gap: 30px; }

.cell .icon {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(160deg, rgba(124,108,255,.20), rgba(124,108,255,.05));
  color: #cfc7ff;
  margin-bottom: 18px;
  flex-shrink: 0;
}
.cell .icon svg { width: 19px; height: 19px; }
.cell h3 { margin: 0 0 8px; font-size: 17px; font-weight: 620; letter-spacing: -.018em; }
.cell p { margin: 0; font-size: 13.8px; line-height: 1.72; color: var(--muted); }
.cell .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.cell .tags span {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--fg-2);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  padding: 3px 8px;
  border-radius: 6px;
}
.cell-full .body { flex: 1; }

/* 大卡内的示意条 */
.bars { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
.bar-row { display: flex; align-items: center; gap: 10px; font-size: 11.5px; color: var(--muted-2); }
.bar-row .t { width: 52px; flex-shrink: 0; font-family: ui-monospace, Menlo, monospace; letter-spacing: .04em; }
.bar-track { flex: 1; height: 5px; border-radius: 3px; background: rgba(255,255,255,.07); overflow: hidden; }
.bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, rgba(124,108,255,.55), #a78bfa);
  box-shadow: 0 0 12px rgba(124,108,255,.5);
}
.bar-row .n { width: 26px; text-align: right; color: var(--fg-2); font-variant-numeric: tabular-nums; }

/* ================= 界面预览 ================= */
.view-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: center;
  margin-bottom: 90px;
}
.view-row:last-child { margin-bottom: 0; }
.view-row.flip .view-text { order: 2; }
.view-text h3 {
  margin: 14px 0 12px;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -.03em;
  font-weight: 640;
  line-height: 1.24;
}
.view-text p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.78; max-width: 430px; }
.view-text ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.view-text li { position: relative; padding-left: 20px; font-size: 13.8px; color: var(--fg-2); }
.view-text li::before {
  content: "";
  position: absolute;
  left: 3px; top: 10px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--brand-2);
  box-shadow: 0 0 10px rgba(167,139,250,.7);
}
.shot {
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.11);
  background: linear-gradient(180deg, #13131d, #0b0b12);
  overflow: hidden;
  box-shadow: 0 30px 70px -26px rgba(0,0,0,.95);
}
.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  box-shadow: 0 -1px 0 rgba(255,255,255,.12) inset;
  pointer-events: none;
}
.shot img { width: 100%; height: auto; }
.shot .tagline {
  position: absolute;
  left: 12px; top: 12px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10px;
  letter-spacing: .1em;
  color: rgba(255,255,255,.72);
  background: rgba(8,8,12,.72);
  border: 1px solid rgba(255,255,255,.14);
  padding: 3px 8px;
  border-radius: 6px;
  backdrop-filter: blur(6px);
}

/* ================= 安装 ================= */
.install-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 34px;
  align-items: start;
}
.steps { display: flex; flex-direction: column; }
.step {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.step:first-child { padding-top: 0; }
.step:last-child { border-bottom: none; }
.step .no {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  color: #cfc7ff;
  border: 1px solid rgba(124,108,255,.32);
  background: rgba(124,108,255,.12);
}
.step h4 { margin: 2px 0 6px; font-size: 15.5px; font-weight: 620; letter-spacing: -.012em; }
.step p { margin: 0; font-size: 13.6px; line-height: 1.75; color: var(--muted); }
.step code {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  color: #cfc7ff;
  background: rgba(124,108,255,.10);
  border: 1px solid rgba(124,108,255,.20);
  border-radius: 5px;
  padding: 1px 6px;
}

.dl-card {
  position: sticky;
  top: 88px;
  padding: 30px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.13);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(124,108,255,.20), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.95), 0 0 0 1px rgba(0,0,0,.4);
  text-align: center;
  overflow: hidden;
}
.dl-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,181,253,.7), transparent);
}
.dl-card .logo {
  width: 58px; height: 58px;
  border-radius: 16px;
  margin: 0 auto 18px;
  box-shadow: 0 14px 34px rgba(124,108,255,.46), 0 0 0 1px rgba(255,255,255,.16);
}
.dl-card h3 { margin: 0 0 8px; font-size: 19px; font-weight: 640; letter-spacing: -.02em; }
.dl-card .verline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 22px;
}
.dl-card .verline b {
  color: #cfc7ff;
  border: 1px solid rgba(124,108,255,.32);
  background: rgba(124,108,255,.12);
  border-radius: 5px;
  padding: 2px 7px;
  font-weight: 600;
}
.dl-card .fine { margin-top: 14px; font-size: 11.5px; color: var(--muted-2); line-height: 1.6; }
.dl-card .checks {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.dl-card .checks div { display: flex; gap: 10px; font-size: 12.8px; color: var(--fg-2); line-height: 1.55; }
.dl-card .checks i { color: var(--ok); font-style: normal; font-size: 11px; margin-top: 3px; }

/* ================= 更新记录 ================= */
.updates-list { display: flex; flex-direction: column; gap: 14px; }

.upd {
  position: relative;
  padding: 26px 28px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.038), rgba(255,255,255,.012));
  transition: border-color .24s var(--ease), box-shadow .24s;
}
.upd:hover { border-color: rgba(255,255,255,.19); box-shadow: 0 26px 60px -30px rgba(0,0,0,.9); }
.upd::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent);
}
.upd-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.upd-ver {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: #cfc7ff;
  border: 1px solid rgba(124,108,255,.34);
  background: rgba(124,108,255,.13);
  border-radius: 6px;
  padding: 3px 9px;
  font-weight: 600;
  flex-shrink: 0;
}
.upd-title { margin: 0; font-size: 17px; font-weight: 620; letter-spacing: -.018em; }
.upd-date {
  margin-left: auto;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted-2);
  white-space: nowrap;
}
.upd-sum { margin: 12px 0 0; font-size: 13.8px; line-height: 1.78; color: var(--muted); }
.upd-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 14px; }
.tag {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid;
}
.tag-major { color: #cfc7ff; background: rgba(124,108,255,.14); border-color: rgba(124,108,255,.32); }
.tag-new { color: #9fe8c8; background: rgba(52,211,153,.10); border-color: rgba(52,211,153,.24); }
.tag-improve { color: #a9d8ff; background: rgba(56,189,248,.10); border-color: rgba(56,189,248,.22); }
.tag-fix { color: #fcd9a0; background: rgba(251,191,36,.10); border-color: rgba(251,191,36,.22); }

.upd-body { margin-top: 20px; display: grid; gap: 16px; }
.upd-group { font-size: 13.6px; }
.upd-group .g-label {
  display: inline-flex;
  align-items: center;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 5px;
  margin-bottom: 9px;
  border: 1px solid;
}
.g-new .g-label { color: #9fe8c8; background: rgba(52,211,153,.09); border-color: rgba(52,211,153,.22); }
.g-improve .g-label { color: #a9d8ff; background: rgba(56,189,248,.09); border-color: rgba(56,189,248,.20); }
.g-fix .g-label { color: #fcd9a0; background: rgba(251,191,36,.09); border-color: rgba(251,191,36,.20); }
.upd-group ul { margin: 0; padding-left: 18px; color: var(--fg-2); }
.upd-group li { margin: 6px 0; line-height: 1.72; }
.upd-group li::marker { color: rgba(167,139,250,.75); }

/* 时间线 */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 14px; bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(124,108,255,.55), rgba(124,108,255,.06));
}
.tl-item { position: relative; margin-bottom: 20px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -32px; top: 32px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,.24);
}
.tl-item.latest::before {
  background: #8b7bff;
  border-color: #c4b5fd;
  box-shadow: 0 0 0 5px rgba(124,108,255,.14), 0 0 18px rgba(124,108,255,.8);
}

/* ================= FAQ ================= */
.faq { display: grid; gap: 10px; max-width: 880px; margin-inline: auto; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.022);
  padding: 18px 22px;
  transition: border-color .2s, background .2s;
}
.faq details[open] { border-color: rgba(255,255,255,.17); background: rgba(255,255,255,.035); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 550;
  letter-spacing: -.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  margin-left: auto;
  color: var(--brand-2);
  font-size: 20px;
  font-weight: 300;
  line-height: 1;
  transition: transform .24s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 14px 0 0; font-size: 14px; line-height: 1.8; color: var(--muted); }
.faq code {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12.5px;
  color: #cfc7ff;
  background: rgba(124,108,255,.10);
  border-radius: 4px;
  padding: 1px 5px;
}

/* ================= 结尾 CTA ================= */
.cta {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(90% 130% at 50% 0%, rgba(124,108,255,.32), transparent 62%),
    linear-gradient(180deg, #101019, #0a0a11);
  padding: 66px 40px;
  text-align: center;
  box-shadow: 0 40px 100px -40px rgba(124,108,255,.5);
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,181,253,.8), transparent);
}
.cta h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: -.035em;
  font-weight: 650;
  line-height: 1.18;
}
.cta p { margin: 0 0 30px; color: var(--fg-2); font-size: 15px; }
.cta .mono { display: block; margin-top: 18px; color: var(--muted-2); }

/* ================= 页脚 ================= */
.footer {
  margin-top: 96px;
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer .fdesc {
  margin: 16px 0 0;
  max-width: 330px;
  font-size: 12.8px;
  line-height: 1.75;
  color: var(--muted-2);
}
.footer nav { display: flex; gap: 56px; flex-wrap: wrap; }
.footer nav div { display: flex; flex-direction: column; gap: 10px; }
.footer nav h4 {
  margin: 0 0 4px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 500;
}
.footer nav a { font-size: 13.2px; color: var(--fg-2); transition: color .16s; }
.footer nav a:hover { color: #fff; }
.copyright {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--muted-2);
}

/* ================= 滚动淡入 ================= */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .72s var(--ease), transform .72s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .chip-float, .pulse { animation: none; }
  html { scroll-behavior: auto; }
}

/* ================= 视觉增强层 ================= */
/* Hero 侧窗：叠在主窗右下的第二块真机截图 */
.frame-mini {
  position: absolute;
  right: -14px;
  bottom: -30px;
  width: 216px;
  z-index: 3;
  border-radius: 13px;
  border: 1px solid rgba(255,255,255,.15);
  overflow: hidden;
  background: linear-gradient(180deg, #141420, #0c0c14);
  box-shadow:
    0 0 0 1px rgba(0,0,0,.55),
    0 30px 70px -18px rgba(0,0,0,.92),
    0 -1px 0 rgba(255,255,255,.12) inset;
  transform: rotate(-2.4deg);
  transition: transform .4s var(--ease);
}
.frame-mini:hover { transform: rotate(0deg) translateY(-4px); }
.frame-mini img { width: 100%; display: block; }

/* 预览区双图组合 */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}

/* 封面工坊卡：三张候选封面的拼贴 */
.cover-collage {
  position: relative;
  height: 128px;
  margin: 20px 0 4px;
}
.cover-collage .cv {
  position: absolute;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  padding: 10px 11px;
  border-radius: 11px;
  font-size: 12.5px;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0,0,0,.4);
  box-shadow: 0 0 0 1px rgba(255,255,255,.14) inset, 0 16px 34px -12px rgba(0,0,0,.85);
}
.cv-1 {
  left: 0; bottom: 6px;
  width: 118px; height: 118px;
  background:
    radial-gradient(120% 90% at 20% 8%, rgba(255,255,255,.32), transparent 46%),
    linear-gradient(160deg, #6d5cf6 0%, #8b5cf6 52%, #d946ef 120%);
  transform: rotate(-4deg);
  z-index: 1;
}
.cv-2 {
  left: 104px;
  width: 92px; height: 92px;
  background:
    radial-gradient(120% 90% at 78% 6%, rgba(255,255,255,.3), transparent 44%),
    linear-gradient(200deg, #312e81 0%, #6366f1 90%);
  transform: rotate(2deg);
  z-index: 2;
}
.cv-3 {
  left: 182px; bottom: 12px;
  width: 78px; height: 78px;
  background:
    radial-gradient(130% 100% at 50% 0%, rgba(255,255,255,.34), transparent 50%),
    linear-gradient(150deg, #a855f7 0%, #6366f1 110%);
  transform: rotate(6deg);
  z-index: 3;
}

/* 更新页：规划卡网格（图标 + 状态） */
.road-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.road-card {
  position: relative;
  padding: 24px 22px 22px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(255,255,255,.05), transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,.032), rgba(255,255,255,.012));
  overflow: hidden;
  transition: border-color .26s var(--ease), transform .26s var(--ease), box-shadow .26s;
}
.road-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
}
.road-card:hover {
  border-color: rgba(255,255,255,.2);
  transform: translateY(-2px);
  box-shadow: 0 24px 60px -26px rgba(0,0,0,.9);
}
.road-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.road-ic {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124,108,255,.3);
  background: linear-gradient(160deg, rgba(124,108,255,.22), rgba(124,108,255,.05));
  color: #cfc7ff;
}
.road-ic svg { width: 19px; height: 19px; }
.road-status {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
  border: 1px dashed var(--line-2);
  padding: 3px 8px;
  border-radius: 6px;
}
.road-card h3 { margin: 0 0 8px; font-size: 15.5px; font-weight: 620; letter-spacing: -.014em; }
.road-card p { margin: 0; font-size: 13px; line-height: 1.7; color: var(--muted); }

/* ================= 响应式 ================= */
@media (max-width: 1040px) {
  .bento { grid-template-columns: repeat(4, 1fr); }
  .cell-lg { grid-column: span 2; }
  .cell-md { grid-column: span 2; }
  .cell-full { grid-column: span 4; }
  .view-row { grid-template-columns: 1fr; gap: 30px; margin-bottom: 64px; }
  .view-row.flip .view-text { order: 0; }
  .view-text p { max-width: none; }
  .install-grid { grid-template-columns: 1fr; gap: 34px; }
  .dl-card { position: static; }
}

@media (max-width: 820px) {
  .wrap { padding: 0 20px; }
  .sec { padding: 76px 0; }
  .hero { padding: 104px 0 0; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 64px; left: 12px; right: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(12,12,18,.96);
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 70px rgba(0,0,0,.7);
  }
  .nav-links.open a { padding: 11px 12px; font-size: 14.5px; }
  .nav-links.open .nav-cta-inline { display: inline-flex; margin-top: 8px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric { border-bottom: 1px solid var(--line); }
  .metric:nth-child(2n) { border-right: none; }
  .metric:nth-last-child(-n+2) { border-bottom: none; }
  .bento { grid-template-columns: 1fr; }
  .cell-lg, .cell-md, .cell-full { grid-column: span 1; }
  .cell-full { flex-direction: column; align-items: flex-start; }
  .chip-float { display: none; }
  .stage { padding: 0 16px; margin-top: 48px; }
  .cta { padding: 44px 24px; border-radius: 20px; }
  .footer nav { gap: 36px; }
  .timeline { padding-left: 26px; }
  .timeline::before { left: 5px; }
  .tl-item::before { left: -25px; }
  .upd { padding: 20px; }
  .upd-date { margin-left: 0; width: 100%; }
  .footer { margin-top: 68px; }
  .frame-mini { display: none; }
  .duo { grid-template-columns: 1fr; }
  .road-grid { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .hero h1 { font-size: clamp(34px, 10.5vw, 46px); }
  .hero-actions .btn { width: 100%; }
  .hero-meta { gap: 12px 18px; }
  .metric { padding: 24px 14px; }
  .metric .v { font-size: 27px; }
  .cell { padding: 22px; }
  .cta h2 { font-size: 25px; }
}