/* WANDER 官网：与 App 同一套颜色（深色底 + 荧光绿） */
:root {
  --bg: #0b1117;
  --map: #101d27;
  --card: #1b2732;
  --line: #263440;
  --lime: #b8ff3d;
  --text: #f4f7fa;
  --muted: #9aa8b5;
  --radius: 22px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--lime); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }
.wrap { width: min(1080px, 100% - 40px); margin: 0 auto; }

/* 顶栏 */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(11, 17, 23, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(38, 52, 64, .6); }
.nav { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: .08em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; gap: 20px; margin: 0 0 0 auto; padding: 0; list-style: none; font-size: 14px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--text); text-decoration: none; }
.lang { font-size: 13px; font-weight: 600; color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; }
.lang:hover { text-decoration: none; border-color: var(--muted); }

/* 首屏 */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding: 72px 0 56px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; color: var(--lime); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.1; margin: 0 0 20px; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: var(--lime); white-space: nowrap; }
.hero p.lead { font-size: 18px; color: var(--muted); margin: 0 0 32px; max-width: 30em; }
.cta { display: inline-flex; align-items: center; gap: 10px; background: var(--lime); color: var(--bg); font-weight: 700; padding: 14px 26px; border-radius: 999px; box-shadow: 0 10px 40px rgba(184, 255, 61, .25); }
.cta:hover { text-decoration: none; filter: brightness(1.05); }
.cta.soon { cursor: default; }
.note { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hero-art { aspect-ratio: 4 / 5; border-radius: 32px; background: var(--map); border: 1px solid var(--line); overflow: hidden; position: relative; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); }
.hero-art svg { width: 100%; height: 100%; }
.route { stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 3.2s .3s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.pulse { transform-origin: center; transform-box: fill-box; animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { from { opacity: .55; transform: scale(.6); } to { opacity: 0; transform: scale(2.2); } }

/* 功能 */
section { padding: 56px 0; }
section h2 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.25; margin: 0 0 12px; letter-spacing: -.01em; }
section .sub { color: var(--muted); margin: 0 0 36px; max-width: 40em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card .icon { width: 44px; height: 44px; border-radius: 14px; background: rgba(184, 255, 61, .12); color: var(--lime); display: grid; place-items: center; margin-bottom: 16px; }
.card .icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 18px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mode { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.mode b { display: block; margin-bottom: 6px; }
.mode span { color: var(--muted); font-size: 14px; }
.privacy-band { background: linear-gradient(135deg, rgba(184, 255, 61, .1), rgba(184, 255, 61, .02)); border: 1px solid rgba(184, 255, 61, .25); border-radius: 28px; padding: 40px; }
.privacy-band ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 28px; }
.privacy-band li { padding-left: 26px; position: relative; color: var(--text); }
.privacy-band li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; border-radius: 50%; background: var(--lime); }

/* 文档页 */
.doc { max-width: 760px; padding: 56px 0 80px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); margin: 0 0 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 20px; margin: 40px 0 10px; }
.doc p { margin: 0 0 12px; color: #d5dde4; }
.doc .intro { font-size: 17px; color: var(--text); }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px 24px; margin-bottom: 8px; columns: 2; column-gap: 32px; font-size: 14px; }
.toc a { color: var(--muted); display: block; padding: 3px 0; break-inside: avoid; }
.toc a:hover { color: var(--text); }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 28px; }
.contact-grid .card h3 { margin-bottom: 10px; }
.contact-grid .card p + p { margin-top: 8px; }

/* 页脚 */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.site-footer nav { display: flex; gap: 20px; margin-left: auto; }
.site-footer a { color: var(--muted); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .hero-art { max-width: 420px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .modes { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav .lang { margin-left: auto; }
  .grid, .contact-grid, .privacy-band ul { grid-template-columns: 1fr; }
  .privacy-band { padding: 28px 22px; }
  .toc { columns: 1; }
  .site-footer nav { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .route { animation: none; stroke-dashoffset: 0; }
  .pulse { animation: none; opacity: 0; }
  html { scroll-behavior: auto; }
}