:root {
  --ink: #17142b;
  --muted: #6a657c;
  --line: #ece8f4;
  --bg: #ffffff;
  --tint: #f6f4fb;
  --violet: #5b46f5;
  --violet-deep: #4334d6;
  --pink: #ff5d7a;
  --grad: linear-gradient(115deg, #4f3df2 0%, #6d4bff 42%, #b44cff 74%, #ef62c8 100%);
  --shadow: 0 18px 50px rgba(48, 24, 110, 0.12);
  --header-h: 72px;
  --radius: 22px;
  --font: "Outfit", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body[data-page="home"] { --header-h: 108px; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: #ddd6fe; }
:focus-visible { outline: 3px solid #c4b5fd; outline-offset: 2px; }
.skip {
  position: absolute; left: 16px; top: -40px; z-index: 80;
  background: #fff; padding: 8px 12px; border-radius: 8px;
}
.skip:focus { top: 12px; }

.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 92px 0; }
.section.tight { padding: 28px 0 80px; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 42px; }
.section-head h2, .feature h2, .page-hero h1, .hero h1 {
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.15;
}
.section-head h2 { font-size: clamp(32px, 4vw, 46px); }
.section-head p, .lede { color: var(--muted); font-size: 17px; line-height: 1.75; }
.kicker {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px;
  background: #efeaff; color: var(--violet); font-size: 13px; font-weight: 650;
  margin-bottom: 14px;
}

.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  color: #fff;
  transition: background .2s ease, box-shadow .2s ease;
}
.header.is-solid,
body:not([data-page="home"]) .header {
  background: var(--grad);
  box-shadow: 0 10px 30px rgba(55, 20, 120, 0.16);
}
.topbar {
  height: 36px; display: flex; align-items: center; justify-content: center; gap: 14px;
  background: rgba(18, 8, 58, 0.28); font-size: 13px;
}
.topbar button { background: transparent; border: 0; color: #fff; opacity: .8; padding: 4px 8px; }
.header-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto; height: 72px;
  display: flex; align-items: center; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -0.03em; font-size: 20px; }
.brand svg { width: 28px; height: 28px; }
.brand small { font-size: 11px; font-weight: 650; opacity: .8; margin-left: 2px; letter-spacing: .08em; }
.nav-panel { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav-link, .lang-btn, .icon-btn {
  border: 0; background: transparent; color: inherit;
  padding: 8px 12px; border-radius: 999px; font-size: 15px;
}
.nav-link.is-active, .nav-link:hover, .lang-btn:hover { background: rgba(255,255,255,.16); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.login-pill {
  border: 1px solid rgba(255,255,255,.7); border-radius: 999px;
  padding: 7px 14px; display: inline-flex; align-items: center; gap: 6px;
}
.login-pill:hover { background: rgba(255,255,255,.14); }
.menu-toggle { display: none; margin-left: auto; background: transparent; border: 0; color: #fff; width: 42px; height: 42px; border-radius: 12px; }
.pop { position: relative; }
.pop-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 180px; z-index: 6;
  background: #fff; color: var(--ink); border-radius: 16px; padding: 8px;
  box-shadow: var(--shadow); border: 1px solid var(--line);
}
.pop-menu a, .pop-menu button {
  display: flex; width: 100%; text-align: left; background: transparent; border: 0;
  padding: 10px 12px; border-radius: 10px; color: var(--ink); font-size: 14px;
}
.pop-menu a:hover, .pop-menu button:hover { background: var(--tint); }
.lang .pop-menu { min-width: 140px; }

.hero {
  position: relative;
  background: var(--grad);
  color: #fff;
  padding: calc(var(--header-h) + 36px) 0 120px;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
  background: rgba(255,255,255,.12);
}
.hero::before { width: 280px; height: 280px; right: -40px; top: 120px; }
.hero::after { width: 140px; height: 140px; left: 46%; bottom: 90px; background: rgba(255,255,255,.1); }
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 20px; align-items: center;
}
.hero h1 { font-size: clamp(46px, 5vw, 68px); }
.hero .lede { margin-top: 16px; color: rgba(255,255,255,.88); max-width: 42ch; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 18px 0 0; font-size: 14px; color: rgba(255,255,255,.92);
}
.hero-badge i {
  width: 18px; height: 18px; border-radius: 6px; display: grid; place-items: center;
  background: rgba(255,255,255,.2); font-style: normal; font-size: 12px;
}
.stats { display: flex; gap: 16px; margin: 28px 0; flex-wrap: wrap; }
.stat {
  width: 112px; height: 112px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.85);
  display: grid; place-items: center; text-align: center; align-content: center;
}
.stat b { display: block; font-size: 28px; letter-spacing: -0.04em; line-height: 1; }
.stat span { display: block; margin-top: 6px; font-size: 12px; opacity: .9; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; height: 90px; z-index: 1; }
.hero-wave svg { width: 100%; height: 100%; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 12px 18px; border: 0; font-weight: 650;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn svg { width: 18px; height: 18px; }
.btn-light { background: #fff; color: #241b4a; box-shadow: 0 10px 24px rgba(40, 10, 80, .12); }
.btn-light:hover { background: #f7f4ff; }
.btn-glass {
  background: rgba(255,255,255,.16); color: #fff;
  border: 1px solid rgba(255,255,255,.38);
}
.btn-glass:hover { background: rgba(255,255,255,.24); }
.btn-primary { background: var(--violet); color: #fff; box-shadow: 0 10px 24px rgba(91, 70, 245, .28); }
.btn-primary:hover { background: var(--violet-deep); }
.btn-line { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-dark { background: #17142b; color: #fff; }
.btn-block { width: 100%; }

.hero-stage { position: relative; height: 500px; }
.laptop {
  position: absolute; right: 0; top: 72px; width: 320px;
  filter: drop-shadow(0 30px 40px rgba(40, 10, 90, .22));
}
.laptop-screen {
  background: linear-gradient(#fbfbff, #f3f1fb);
  border: 8px solid #f4f1ff; border-bottom: 0; border-radius: 18px 18px 0 0;
  min-height: 280px; padding: 14px 14px 18px; color: var(--ink);
}
.laptop-bar { display: flex; gap: 6px; margin-bottom: 12px; }
.laptop-bar i { width: 8px; height: 8px; border-radius: 50%; background: #ddd6fe; display: block; }
.laptop-screen h3 { font-size: 14px; margin-bottom: 10px; }
.line-row {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border-radius: 12px; padding: 9px 10px; margin-bottom: 8px;
  font-size: 13px;
}
.line-row em { margin-left: auto; font-style: normal; color: #16a34a; font-weight: 700; }
.line-row.is-on { outline: 1.5px solid #c4b5fd; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.laptop-base {
  height: 16px; border-radius: 0 0 14px 14px;
  background: linear-gradient(#e7e2f7, #d9d3ee);
  margin: 0 24px;
}
.phone {
  position: absolute; left: 6px; top: 28px; width: 196px; height: 400px;
  background: #fff; border-radius: 32px; padding: 12px;
  box-shadow: 0 30px 60px rgba(40, 10, 90, .25);
  color: var(--ink);
}
.phone-screen {
  height: 100%; border-radius: 24px;
  background: linear-gradient(#f4f6ff, #fff 40%);
  display: flex; flex-direction: column; align-items: center; padding: 18px 12px 12px;
}
.phone-top { width: 100%; display: flex; justify-content: space-between; font-size: 11px; color: #888; }
.phone-screen strong { margin-top: 18px; font-size: 14px; }
.orb {
  margin-top: 28px; width: 132px; height: 132px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; font-size: 32px; font-weight: 750;
  background: radial-gradient(circle at 35% 30%, #ff9aab, #ff4d6d 62%, #e11d48);
  box-shadow: 0 12px 30px rgba(255, 77, 109, .35);
}
.orb.is-on { background: radial-gradient(circle at 35% 30%, #86efac, #22c55e 70%); box-shadow: 0 12px 30px rgba(34, 197, 94, .3); font-size: 28px; }
.phone-screen .caption { margin-top: 16px; color: var(--muted); font-size: 12px; }
.latency-card {
  position: absolute; right: 12px; top: 36px;
  background: #fff; color: var(--ink); border-radius: 16px; padding: 12px 14px;
  box-shadow: var(--shadow); font-size: 13px; min-width: 150px;
}
.latency-card b { display: block; font-size: 18px; letter-spacing: -0.03em; }
.latency-card span { color: var(--muted); }

.apps { padding-top: 20px; }
.orbit-wrap { position: relative; height: 520px; max-width: 760px; margin: 10px auto 0; }
.ring {
  position: absolute; border-radius: 50%; border: 1px dashed rgba(91, 70, 245, .22);
  left: 50%; top: 50%; transform: translate(-50%, -50%);
}
.ring.a { width: 340px; height: 340px; }
.ring.b { width: 500px; height: 500px; }
.core-app {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 124px; height: 124px; border-radius: 32px;
  background: var(--grad); color: #fff; display: grid; place-items: center;
  box-shadow: 0 20px 40px rgba(91, 70, 245, .35);
}
.core-app svg { width: 64px; height: 64px; }
.sat {
  position: absolute; left: var(--x); top: var(--y);
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center; background: #fff;
  box-shadow: 0 10px 24px rgba(40, 20, 80, .08);
  border: 1px solid #f0ecf8;
  animation: floaty 5.5s ease-in-out infinite;
}
.sat:nth-child(odd) { animation-delay: -2.2s; }
.sat svg { width: 26px; height: 26px; }
.sat em {
  position: absolute; top: calc(100% + 4px); font-style: normal; font-size: 12px;
  color: var(--muted); white-space: nowrap;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.feature-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.feature + .feature { padding-top: 10px; }
.feature.reverse .feature-copy { order: 2; }
.feature h2 { font-size: clamp(30px, 3vw, 42px); margin-bottom: 12px; }
.feature p { color: var(--muted); font-size: 16.5px; line-height: 1.8; max-width: 46ch; }
.scene {
  position: relative; height: 360px; border-radius: 28px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), transparent 42%),
    linear-gradient(160deg, #f4f1ff, #fdeff8);
  overflow: hidden;
}
.scene svg.illu { position: absolute; inset: 0; width: 100%; height: 100%; }
.chip {
  position: absolute; background: #fff; border-radius: 14px; padding: 8px 10px;
  font-size: 13px; box-shadow: 0 10px 24px rgba(40, 20, 80, .08); display: flex; gap: 8px; align-items: center;
}
.chip i { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; display: block; }

.tint { background: linear-gradient(180deg, #f7f5fc 0%, #fff 100%); }
.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.plan {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: 22px 20px 20px; display: flex; flex-direction: column; gap: 8px; min-height: 320px;
}
.plan:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.plan.featured { border-color: #c4b5fd; box-shadow: var(--shadow); background: linear-gradient(#fff, #fbfaff); }
.plan .ribbon {
  position: absolute; top: 14px; right: 14px; background: #efeaff; color: var(--violet);
  font-size: 12px; font-weight: 700; border-radius: 999px; padding: 4px 8px;
}
.plan .price { font-size: 40px; letter-spacing: -0.04em; font-weight: 750; line-height: 1; margin-top: 8px; }
.plan .name { font-size: 18px; font-weight: 700; }
.plan .note { color: var(--muted); font-size: 14px; }
.plan ul { margin: 12px 0 18px; display: grid; gap: 8px; color: #3d3854; font-size: 14px; }
.plan ul li { display: flex; gap: 8px; align-items: flex-start; }
.plan .btn { margin-top: auto; }
.trial-row {
  margin-top: 22px; background: #17142b; color: #fff; border-radius: 20px;
  padding: 18px 20px; display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.trial-row p { color: rgba(255,255,255,.75); font-size: 14px; margin-top: 4px; }

.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee-track { display: flex; gap: 16px; width: max-content; animation: slide 46s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.review {
  width: 340px; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px 18px 16px;
}
.stars { color: #f5b301; letter-spacing: 2px; font-size: 14px; }
.review p { margin: 10px 0 14px; min-height: 72px; }
.review .who { display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; }

.cta {
  margin: 10px auto 80px; width: min(1120px, calc(100% - 40px));
  background: var(--grad); color: #fff; border-radius: 32px; padding: 48px 40px;
  display: flex; justify-content: space-between; gap: 24px; align-items: center;
  position: relative; overflow: hidden;
}
.cta h2 { font-size: clamp(30px, 4vw, 44px); letter-spacing: -0.04em; }
.cta p { color: rgba(255,255,255,.86); margin-top: 8px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }

.footer { background: #120f22; color: rgba(255,255,255,.78); padding: 48px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 24px; }
.footer h3 { color: #fff; font-size: 14px; margin-bottom: 12px; }
.footer a { display: block; padding: 4px 0; color: rgba(255,255,255,.72); }
.footer a:hover { color: #fff; }
.footer .brand { color: #fff; margin-bottom: 10px; }
.fine { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.lang-switch { display: flex; gap: 8px; }
.lang-switch button { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 6px 10px; }
.lang-switch button.is-active { background: #fff; color: #17142b; border-color: #fff; }

.page-hero { background: var(--grad); color: #fff; padding: 42px 0 48px; }
.page-hero h1 { font-size: clamp(36px, 5vw, 56px); }
.page-hero p { margin-top: 10px; color: rgba(255,255,255,.86); max-width: 52ch; }
body:not([data-page="home"]) main { padding-top: var(--header-h); }

.platform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.platform, .card {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px;
}
.platform.is-current { border-color: #c4b5fd; box-shadow: var(--shadow); }
.platform .os { font-size: 20px; font-weight: 750; letter-spacing: -0.03em; }
.platform .meta { color: var(--muted); font-size: 13px; margin: 8px 0 16px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.step-no {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  background: #efeaff; color: var(--violet); font-weight: 750; margin-bottom: 10px;
}
.share-box {
  margin-top: 22px; display: flex; justify-content: space-between; gap: 16px; align-items: center;
  background: var(--tint); border-radius: 20px; padding: 16px 18px;
}
.share-box code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

.blog-tools { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.chip-btn { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 7px 12px; }
.chip-btn.is-on { background: #17142b; color: #fff; border-color: #17142b; }
.post-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; }
.post-list { display: grid; gap: 16px; }
.post {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px;
  height: 100%;
}
.post:hover { box-shadow: var(--shadow); }
.post .tag { color: var(--violet); font-size: 13px; font-weight: 700; }
.post h2, .post h3 { letter-spacing: -0.03em; margin: 8px 0; }
.post .date, .article .date { color: var(--muted); font-size: 13px; }
.article { max-width: 760px; margin: 0 auto; }
.article .back { color: var(--violet); font-weight: 650; display: inline-block; margin-bottom: 14px; }
.prose p { font-size: 17px; line-height: 1.85; color: #3c3754; margin: 0 0 16px; }

.searchbar { margin-top: 18px; display: flex; background: #fff; border-radius: 16px; padding: 6px; max-width: 560px; }
.searchbar input { flex: 1; border: 0; padding: 10px 12px; outline: none; background: transparent; }
.help-layout { display: grid; grid-template-columns: 220px 1fr; gap: 22px; }
.side-nav button, .side-nav a {
  display: block; width: 100%; text-align: left; background: transparent; border: 0;
  padding: 10px 12px; border-radius: 12px; color: var(--ink);
}
.side-nav button.is-on, .side-nav a.is-on, .side-nav button:hover, .side-nav a:hover { background: #efeaff; color: var(--violet); }
.acc { border: 1px solid var(--line); border-radius: 16px; background: #fff; margin-bottom: 10px; overflow: hidden; }
.acc summary { cursor: pointer; padding: 16px 18px; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; color: var(--violet); font-weight: 500; }
.acc[open] summary::after { content: "–"; }
.acc p { padding: 0 18px 16px; color: var(--muted); }
.empty { padding: 28px; text-align: center; color: var(--muted); }

.auth {
  min-height: calc(100vh - var(--header-h));
  display: grid; grid-template-columns: 1fr 1fr;
}
.auth-aside {
  background: var(--grad); color: #fff; padding: 64px 48px;
  display: flex; flex-direction: column; justify-content: center;
}
.auth-aside h1 { font-size: clamp(36px, 4vw, 52px); letter-spacing: -0.04em; }
.auth-aside ul { margin-top: 22px; display: grid; gap: 10px; color: rgba(255,255,255,.9); }
.auth-main { display: grid; place-items: center; padding: 32px 20px; background: #faf9fd; }
.auth-card { width: min(440px, 100%); background: #fff; border-radius: 28px; padding: 28px; box-shadow: var(--shadow); }
.tabs { display: flex; background: var(--tint); padding: 4px; border-radius: 14px; margin-bottom: 18px; }
.tabs button { flex: 1; border: 0; background: transparent; border-radius: 10px; padding: 8px; font-weight: 650; }
.tabs button.is-active { background: #fff; box-shadow: 0 4px 12px rgba(40,20,80,.06); }
.form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field span { font-size: 13px; font-weight: 650; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid #e6e1f0; border-radius: 12px; padding: 12px 14px; background: #fff; outline: none;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: #8b7cff; box-shadow: 0 0 0 4px rgba(91,70,245,.12); }
.pw { position: relative; }
.pw input { padding-right: 64px; }
.pw button { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); border: 0; background: transparent; color: var(--violet); font-size: 13px; font-weight: 700; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--muted); }
.check a { color: var(--violet); }
.form-alert { background: #fff1f3; color: #be123c; border-radius: 12px; padding: 10px 12px; font-size: 13px; }
.fine-note { color: var(--muted); font-size: 12px; }

.account-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.stat-line { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.device { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.badge { display: inline-flex; background: #efeaff; color: var(--violet); border-radius: 999px; padding: 2px 8px; font-size: 12px; font-weight: 700; }
.badge.green { background: #ecfdf3; color: #15803d; }
.badge.gray { background: #f3f4f6; color: #4b5563; }

.legal-layout { display: grid; grid-template-columns: 220px 1fr; gap: 28px; }
.legal h2 { margin: 22px 0 8px; font-size: 20px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(12px);
  background: #17142b; color: #fff; padding: 12px 16px; border-radius: 999px;
  z-index: 70; opacity: 0; pointer-events: none; transition: .25s ease; font-size: 14px;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.chat-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; border: 0; color: #fff;
  background: var(--grad); box-shadow: 0 12px 30px rgba(91,70,245,.35);
  display: grid; place-items: center;
}
.chat-fab svg { width: 26px; height: 26px; }
.chat-panel {
  position: fixed; right: 22px; bottom: 92px; width: min(360px, calc(100vw - 24px));
  height: 480px; background: #fff; border-radius: 22px; box-shadow: var(--shadow);
  z-index: 60; display: none; flex-direction: column; overflow: hidden; border: 1px solid var(--line);
}
.chat-panel.is-open { display: flex; }
.chat-hd { background: var(--grad); color: #fff; padding: 14px 16px; display: flex; justify-content: space-between; align-items: center; }
.chat-hd button { background: transparent; border: 0; color: #fff; font-size: 18px; }
.chat-log { flex: 1; overflow: auto; padding: 14px; display: flex; flex-direction: column; gap: 8px; background: #faf9fd; }
.bubble { max-width: 85%; padding: 10px 12px; border-radius: 14px; font-size: 14px; line-height: 1.55; }
.bubble.bot { background: #fff; border: 1px solid var(--line); align-self: flex-start; }
.bubble.me { background: #17142b; color: #fff; align-self: flex-end; }
.chat-suggestions { display: flex; gap: 6px; flex-wrap: wrap; padding: 8px 12px 0; }
.chat-suggestions button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 5px 8px; font-size: 12px; }
.chat-form { display: flex; gap: 8px; padding: 10px; }
.chat-form input { flex: 1; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.tickets { margin-top: 14px; display: grid; gap: 8px; }
.ticket { border: 1px dashed var(--line); border-radius: 14px; padding: 10px 12px; font-size: 14px; }

.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 18px; overflow: hidden; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
.table th { background: #faf9fd; font-size: 13px; color: var(--muted); font-weight: 650; }

.show-sm { display: none; }

@media (max-width: 980px) {
  .hero-grid, .feature-grid, .post-grid, .account-grid, .auth, .help-layout, .legal-layout, .footer-grid, .platform-grid {
    grid-template-columns: 1fr;
  }
  .feature.reverse .feature-copy { order: 0; }
  .plan-grid { grid-template-columns: 1fr 1fr; }
  .hero-stage { height: 480px; }
  .laptop { width: 360px; }
  .cta, .trial-row, .share-box { flex-direction: column; align-items: flex-start; }
  .cta-actions { justify-content: flex-start; }
  .auth-aside { display: none; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .menu-toggle { display: grid; place-items: center; margin-left: auto; }
  .nav-panel { display: none; }
  .header.nav-open .nav-panel {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 100%; left: 0; right: 0; margin-left: 0;
    background: #553fe8; padding: 8px 16px 16px;
  }
  .header.nav-open .nav,
  .header.nav-open .header-actions { flex-direction: column; align-items: stretch; }
  .header.nav-open .pop-menu { position: static; box-shadow: none; margin-top: 6px; }
  .hide-sm { display: none; }
  .show-sm { display: inline; }
  .orbit-wrap { height: 420px; }
  .ring.b { width: 320px; height: 320px; }
  .ring.a { width: 210px; height: 210px; }
  .phone { transform: scale(.86); transform-origin: top left; }
  .laptop { display: none; }
  .hero-stage { height: 420px; }
}

@media (max-width: 640px) {
  .plan-grid { grid-template-columns: 1fr; }
  .stats { gap: 10px; }
  .stat { width: 96px; height: 96px; }
  .wrap { width: min(1120px, calc(100% - 28px)); }
  .section { padding: 64px 0; }
  .cta { padding: 28px 20px; border-radius: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .marquee { overflow-x: auto; }
}