:root {
  --bg: #070a18;
  --bg-deep: #040610;
  --surface: #101936;
  --surface-2: #151e42;
  --surface-3: #1a2650;
  --text: #f4f7ff;
  --text-soft: #b7c3df;
  --text-muted: #7886aa;
  --signal-purple: #6d5bff;
  --signal-bright: #8d7fff;
  --cyan: #26d6ff;
  --magenta: var(--signal-purple);
  --magenta-bright: var(--signal-bright);
  --coral: #ff7a66;
  --line: rgba(148, 171, 230, 0.14);
  --line-strong: rgba(148, 171, 230, 0.25);
  --success: #35e0b5;
  --shadow: 0 30px 90px rgba(0, 3, 18, 0.52);
  --shell: min(1180px, calc(100% - 40px));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(38,214,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,91,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 80%);
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
code { font-family: "SFMono-Regular", Consolas, monospace; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Shared interaction and navigation */
.skip-link {
  position: fixed; top: 10px; left: 12px; z-index: 100;
  padding: 10px 14px; border-radius: 8px; background: var(--cyan); color: var(--bg-deep); font-weight: 800;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(38,214,255,.72); outline-offset: 3px; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(7,10,24,.9);
  backdrop-filter: blur(22px) saturate(135%);
}
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; flex: 0 0 auto; }
.brand img { display: block; width: 205px; height: auto; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 25px; }
.desktop-nav a, .language-link { position: relative; color: var(--text-soft); font-size: 14px; font-weight: 650; }
.desktop-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -13px; height: 2px;
  background: linear-gradient(90deg, var(--signal-purple), var(--cyan)); transform: scaleX(0); transition: transform .2s ease;
}
.desktop-nav a:hover, .desktop-nav a[aria-current="page"], .language-link:hover { color: var(--text); }
.desktop-nav a:hover::after, .desktop-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.menu-toggle {
  display: none; width: 42px; height: 42px; padding: 0;
  border: 1px solid var(--line-strong); border-radius: 50%; background: var(--surface);
}
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 4px auto; border-radius: 2px; background: var(--text); }
.mobile-menu { padding: 8px max(20px, calc((100% - 1180px)/2)) 22px; border-top: 1px solid var(--line); background: rgba(7,10,24,.98); }
.mobile-menu a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--text-soft); font-weight: 650; }
.mobile-menu a[aria-current="page"] { color: var(--cyan); }

.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px;
  border: 1px solid rgba(141,127,255,.68); border-radius: 10px;
  background: linear-gradient(110deg, #6d5bff, #5848d8);
  color: #fff; font-weight: 720; box-shadow: 0 14px 34px rgba(68,54,190,.28);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.button:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 18px 44px rgba(68,54,190,.4); }
.button-small { min-height: 42px; padding-inline: 19px; font-size: 14px; }
.button-light { background: var(--text); color: var(--bg); box-shadow: none; }
.text-link { display: inline-flex; align-items: center; gap: 5px; color: var(--text); font-size: 15px; font-weight: 750; }
.keep-word { white-space: nowrap; }
.text-link span { color: var(--cyan); transition: transform .2s ease; }
.text-link:hover span { transform: translate(2px,-2px); }
.light-link { margin-top: 24px; color: #fff; }

/* Hero and original mobile-journey visual */
.hero, .page-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 13% 16%, rgba(109,91,255,.18), transparent 30%),
    radial-gradient(circle at 88% 70%, rgba(38,214,255,.1), transparent 33%),
    linear-gradient(145deg, #070a18 0%, #0b1024 58%, #080d20 100%);
}
.hero::after, .page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(rgba(38,214,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,91,255,.03) 1px, transparent 1px),
    linear-gradient(115deg, transparent 0 52%, rgba(255,255,255,.035) 52% 52.1%, transparent 52.1% 65%, rgba(38,214,255,.07) 65% 65.08%, transparent 65.08%);
  background-size: 54px 54px, 54px 54px, auto;
}
.hero { min-height: calc(100vh - 78px); isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7,10,24,.96) 0%, rgba(7,10,24,.82) 38%, rgba(7,10,24,.3) 70%, rgba(7,10,24,.54) 100%),
    linear-gradient(180deg, rgba(7,10,24,.06) 0%, transparent 56%, rgba(7,10,24,.95) 100%);
}
.hero-signal-canvas {
  position: absolute; inset: 0; z-index: 0; display: block; width: 100%; height: 100%;
  pointer-events: none; opacity: .58;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: clamp(50px,7vw,92px); padding-block: clamp(72px,8vw,118px); }
.hero-copy { max-width: 590px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 23px; color: #9d93ff; font-size: 11px; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { width: 30px; height: 2px; background: linear-gradient(90deg,var(--signal-purple),var(--cyan)); box-shadow: 0 0 14px rgba(38,214,255,.35); }
h1, h2, h3, p { overflow-wrap: break-word; }
h1 { margin: 0; max-width: 720px; font-size: clamp(42px,4.3vw,64px); line-height: 1.04; letter-spacing: -.026em; font-weight: 600; }
.hero-lede { max-width: 625px; margin: 30px 0 0; color: var(--text-soft); font-size: clamp(17px,1.45vw,20px); line-height: 1.74; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 36px; }
.hero-orbit { position: absolute; z-index: 1; border-radius: 50%; pointer-events: none; }
.orbit-one { width: 210px; height: 210px; top: 12%; right: -90px; border: 1px solid rgba(109,91,255,.25); box-shadow: 0 0 80px rgba(109,91,255,.12); }
.orbit-two { width: 130px; height: 130px; bottom: 7%; left: -48px; border: 1px solid rgba(38,214,255,.22); }

@media (min-width: 721px) {
  body[data-locale="zh"] .hero h1 { font-size: clamp(48px,3.8vw,56px); }
}

.experience-card {
  position: relative; border: 1px solid var(--line-strong); border-radius: 20px;
  background: linear-gradient(145deg, rgba(16,25,54,.94), rgba(8,13,32,.96));
  box-shadow: var(--shadow); padding: 17px; backdrop-filter: blur(18px);
}
.experience-card::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, rgba(109,91,255,.58), transparent 36%, rgba(38,214,255,.32)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.region-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; padding: 6px; border-radius: 12px; background: rgba(4,7,18,.7); }
.region-tabs button { border: 0; border-radius: 8px; background: transparent; color: var(--text-muted); cursor: pointer; padding: 12px 8px; font-size: 12px; font-weight: 700; }
.region-tabs button[aria-selected="true"] { background: linear-gradient(135deg, rgba(109,91,255,.27), rgba(38,214,255,.08)); color: #fff; box-shadow: inset 0 0 0 1px rgba(109,91,255,.4); }
.phone-stage { position: relative; display: grid; place-items: center; min-height: 510px; margin-top: 10px; border-radius: 14px; overflow: hidden; background: radial-gradient(circle at 50% 46%, rgba(109,91,255,.15), transparent 31%), linear-gradient(145deg,#0a1026,#101936); }
.phone-stage::before { content: ""; position: absolute; width: 425px; height: 425px; border: 1px dashed rgba(109,91,255,.24); border-radius: 50%; animation: orbit 28s linear infinite; }
.phone-stage::after { content: ""; position: absolute; width: 310px; height: 310px; border: 1px solid rgba(38,214,255,.17); border-radius: 50%; }
@keyframes orbit { to { transform: rotate(360deg); } }
.locale-label { position: absolute; top: 27px; left: 27px; right: 27px; z-index: 3; display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 11px; }
.locale-label b { margin-left: auto; color: var(--text-soft); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px rgba(114,216,177,.12), 0 0 18px rgba(114,216,177,.38); }
.phone-shell { position: relative; z-index: 2; width: min(278px,75%); min-height: 392px; padding: 12px 14px 19px; border: 6px solid #030611; border-radius: 28px; background: linear-gradient(180deg,#151e42,#0d1530); box-shadow: 0 30px 58px rgba(0,2,14,.58); }
.phone-top { position: relative; height: 22px; }
.phone-top span { position: absolute; top: -1px; left: 50%; width: 58px; height: 14px; border-radius: 0 0 9px 9px; background: #030611; transform: translateX(-50%); }
.phone-top i { position: absolute; right: 3px; top: 4px; width: 18px; height: 7px; border-radius: 4px; border: 1.5px solid #6574a3; }
.chat-head { display: flex; align-items: center; gap: 10px; padding: 11px 2px 15px; border-bottom: 1px solid var(--line); }
.merchant-mark { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 8px; background: linear-gradient(140deg,var(--signal-purple),#4e3fc5); color: #fff; font-size: 11px; font-weight: 820; box-shadow: 0 0 22px rgba(109,91,255,.32); }
.chat-head b, .chat-head small { display: block; }
.chat-head b { font-size: 11px; }
.chat-head small { margin-top: 3px; color: var(--text-muted); font-size: 8px; }
.message-bubble { margin-top: 23px; padding: 18px; border: 1px solid rgba(109,91,255,.24); border-radius: 12px 12px 12px 3px; background: linear-gradient(145deg,rgba(109,91,255,.18),rgba(38,214,255,.055)); }
.message-bubble em { color: #9d93ff; font-size: 9px; font-style: normal; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }
.message-bubble p { min-height: 66px; margin: 10px 0 14px; color: var(--text-soft); font-size: 11px; line-height: 1.62; }
.message-action { display: flex; width: 100%; min-height: 35px; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.08); border-radius: 10px; background: rgba(255,255,255,.08); color: #fff; font-size: 10px; font-weight: 800; }
.delivery-line { display: flex; justify-content: space-between; padding: 10px 3px 0; color: var(--text-muted); font-size: 8px; }
.flow-chip { position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px; min-width: 137px; padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 9px; background: rgba(16,25,54,.92); box-shadow: 0 13px 30px rgba(0,2,15,.42); backdrop-filter: blur(10px); }
.flow-chip b { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 6px; background: rgba(109,91,255,.2); color: #a79eff; font-size: 9px; }
.flow-chip span { font-size: 10px; font-weight: 730; }
.chip-one { left: 20px; top: 122px; }.chip-two { right: 18px; top: 208px; }.chip-three { left: 13px; bottom: 54px; }
.experience-note { margin: 12px 10px 3px; color: var(--text-muted); font-size: 9px; line-height: 1.5; text-align: center; }

/* Shared section system */
.section { position: relative; padding-block: clamp(88px,9vw,132px); border-top: 1px solid rgba(255,255,255,.035); }
.section-soft { background: linear-gradient(180deg,#0b1024,#0a0f22); }
.section-dark { background: linear-gradient(145deg,#050814,#0d1430); }
.section-brand { background: radial-gradient(circle at 10% 0,rgba(109,91,255,.16),transparent 31%), radial-gradient(circle at 90% 100%,rgba(38,214,255,.075),transparent 31%), #0b1024; }
.section-heading { max-width: 760px; margin-bottom: clamp(38px,5vw,62px); }
.section-kicker { margin: 0 0 14px; color: #958aff; font-size: 11px; font-weight: 780; letter-spacing: .12em; text-transform: uppercase; }
.section-heading h2, .split-section h2, .fallback-grid h2, .callout-card h2, .cta-band h2, .focus-statement h2, .independence-card h2, .availability-banner h2, .data-principles h2 { margin: 0; font-size: clamp(34px,4vw,55px); line-height: 1.08; letter-spacing: -.03em; font-weight: 640; }
.section-intro { max-width: 720px; margin: 20px 0 0; color: var(--text-soft); font-size: 16px; line-height: 1.75; }
.card-grid { display: grid; gap: 16px; }.card-grid.three { grid-template-columns: repeat(3,1fr); }.card-grid.four { grid-template-columns: repeat(4,1fr); }.card-grid.five { grid-template-columns: repeat(5,1fr); }
.info-card { position: relative; min-height: 270px; padding: 27px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(145deg,rgba(16,25,54,.85),rgba(9,14,34,.88)); transition: transform .22s ease,border-color .22s ease,background .22s ease; }
.info-card:hover { transform: translateY(-5px); border-color: rgba(109,91,255,.45); background: linear-gradient(145deg,rgba(21,30,66,.95),rgba(11,18,42,.96)); }
.info-card::after { content: ""; position: absolute; left: 27px; bottom: 24px; width: 28px; height: 2px; background: linear-gradient(90deg,var(--signal-purple),var(--cyan)); box-shadow: 0 0 14px rgba(38,214,255,.3); }
.card-label { color: #9d93ff; font-size: 10px; font-weight: 780; letter-spacing: .08em; text-transform: uppercase; }
.info-card h3 { margin: 24px 0 13px; font-size: 21px; line-height: 1.25; }
.info-card p { margin: 0 0 36px; color: var(--text-soft); font-size: 13px; line-height: 1.72; }
.section-dark .info-card { background: rgba(255,255,255,.035); }
.industry-cards .info-card { min-height: 250px; }
.audience-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.audience-grid .info-card { min-height: 245px; padding: 23px; }
.audience-grid .info-card h3 { margin-top: 19px; font-size: 18px; }
.audience-grid .info-card p { font-size: 11px; }
.capability-section { background: radial-gradient(circle at 82% 18%,rgba(38,214,255,.07),transparent 26%),#070a18; }
.capability-matrix { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
.capability-matrix article { position: relative; min-height: 300px; padding: 25px 23px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(155deg,rgba(16,25,54,.9),rgba(8,13,31,.94)); }
.capability-matrix article::before { content: ""; position: absolute; left: 23px; top: 0; width: 46px; height: 2px; background: linear-gradient(90deg,var(--signal-purple),var(--cyan)); box-shadow: 0 0 18px rgba(38,214,255,.3); }
.capability-matrix span { color: #9388ff; font-size: 9px; font-weight: 780; letter-spacing: .07em; text-transform: uppercase; }
.capability-matrix h3 { margin: 32px 0 13px; font-size: 19px; line-height: 1.25; }
.capability-matrix p { margin: 0; color: var(--text-soft); font-size: 11px; line-height: 1.7; }
.capability-section .matrix-note a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

/* Region × journey explorer */
.explorer-panel { border: 1px solid var(--line-strong); border-radius: 18px; overflow: hidden; background: linear-gradient(145deg,rgba(16,25,54,.9),rgba(7,11,27,.96)); box-shadow: var(--shadow); }
.explorer-controls { display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; padding: 27px; border-bottom: 1px solid var(--line); }
.explorer-controls > div > span { display: block; margin-bottom: 11px; color: var(--text-muted); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.selector-row { display: flex; flex-wrap: wrap; gap: 8px; }
.selector-row button { min-height: 38px; padding: 0 13px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.025); color: var(--text-soft); cursor: pointer; font-size: 11px; font-weight: 700; }
.selector-row button[aria-pressed="true"] { border-color: rgba(109,91,255,.55); background: rgba(109,91,255,.18); color: #fff; box-shadow: 0 0 24px rgba(109,91,255,.12); }
.explorer-result { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 390px; }
.result-lead { position: relative; display: flex; flex-direction: column; justify-content: flex-end; padding: 42px; background: radial-gradient(circle at 25% 25%,rgba(109,91,255,.2),transparent 35%),linear-gradient(145deg,#101936,#090f25); }
.result-lead::before { content: ""; position: absolute; inset: 30px; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; transform: scale(.8); }
.result-index { position: absolute; top: 40px; left: 42px; color: rgba(255,255,255,.2); font-size: 68px; font-weight: 800; letter-spacing: -.08em; }
.result-lead p, .result-lead h3, .journey-pill { position: relative; z-index: 1; }
.result-lead p { margin: 0 0 10px; color: #958aff; font-size: 12px; font-weight: 780; text-transform: uppercase; }
.result-lead h3 { margin: 0; max-width: 380px; font-size: clamp(27px,3vw,42px); line-height: 1.12; }
.journey-pill { align-self: flex-start; margin-top: 22px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--text-muted); font-size: 9px; text-transform: uppercase; letter-spacing: .07em; }
.result-grid { display: grid; grid-template-columns: repeat(2,1fr); margin: 0; background: rgba(3,6,17,.22); }
.result-grid > div { padding: 38px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-grid dt { margin-bottom: 13px; color: var(--text-muted); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.result-grid dd { margin: 0; color: var(--text-soft); font-size: 14px; line-height: 1.65; }

/* Process, responsibilities and CTA */
.journey-track { display: grid; grid-template-columns: repeat(7,1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.journey-track li { position: relative; min-width: 0; padding: 0 17px; }
.journey-track li::before { content: ""; position: absolute; top: 17px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg,rgba(109,91,255,.24),rgba(38,214,255,.42)); }
.journey-track li:first-child::before { left: 50%; }.journey-track li:last-child::before { right: 50%; }
.journey-track li > span { position: relative; z-index: 1; display: grid; place-items: center; width: 35px; height: 35px; margin: 0 auto 24px; border: 1px solid rgba(109,91,255,.5); border-radius: 8px; background: var(--bg); color: #9d93ff; font-size: 9px; font-weight: 780; box-shadow: 0 0 20px rgba(109,91,255,.16); }
.journey-track h3 { margin: 0; font-size: 14px; text-align: center; }
.journey-track p { margin: 10px 0 0; color: var(--text-muted); font-size: 11px; line-height: 1.65; text-align: center; }
.metrics-section { background: radial-gradient(circle at 12% 8%,rgba(109,91,255,.14),transparent 25%),linear-gradient(180deg,#0d1430,#070a18); }
.metrics-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 11px; }
.metrics-grid article { min-height: 280px; padding: 23px; border: 1px solid var(--line); border-radius: 12px; background: rgba(10,16,38,.7); }
.metric-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.metric-top span { padding: 5px 7px; border: 1px solid rgba(109,91,255,.35); border-radius: 5px; color: #9d93ff; font-size: 8px; font-weight: 780; letter-spacing: .06em; text-transform: uppercase; }
.metric-top strong { color: #fff; font-size: 25px; letter-spacing: -.04em; }
.metrics-grid h3 { margin: 42px 0 10px; font-size: 16px; }
.metrics-grid p { min-height: 58px; margin: 0; color: var(--text-soft); font-size: 10px; line-height: 1.62; }
.metric-visual { display: flex; align-items: end; gap: 5px; height: 50px; margin-top: 20px; border-bottom: 1px solid var(--line); }
.metric-visual i { flex: 1; min-height: 5px; border-radius: 2px 2px 0 0; background: linear-gradient(180deg,var(--cyan),var(--signal-purple)); opacity: .72; }
.metric-visual i:nth-child(1) { height: 25%; }.metric-visual i:nth-child(2) { height: 44%; }.metric-visual i:nth-child(3) { height: 37%; }.metric-visual i:nth-child(4) { height: 68%; }.metric-visual i:nth-child(5) { height: 55%; }.metric-visual i:nth-child(6) { height: 86%; }
.pulse-line i { height: 10%!important; }.pulse-line i:nth-child(3) { height: 76%!important; }.pulse-line i:nth-child(4) { height: 28%!important; }
.dual-track i:nth-child(odd) { height: 70%; background: var(--signal-purple); }.dual-track i:nth-child(even) { height: 36%; background: var(--cyan); }
.clock-track i { height: 48%!important; opacity: .34; }.clock-track i:nth-child(3),.clock-track i:nth-child(4) { height: 88%!important; opacity: .9; }
.metrics-note { margin: 18px 0 0; color: var(--text-muted); font-size: 9px; }
.split-section, .responsibility-grid, .secondary-channel-grid, .localization-grid, .data-principles { display: grid; grid-template-columns: .82fr 1.18fr; align-items: start; gap: clamp(50px,8vw,110px); }
.capability-cloud { display: flex; flex-wrap: wrap; gap: 11px; padding-top: 6px; }
.capability-cloud span, .channel-list span { padding: 14px 18px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.025); color: var(--text-soft); font-size: 13px; }
.capability-cloud .primary-capability { border-color: rgba(109,91,255,.5); background: rgba(109,91,255,.16); color: #fff; }
.responsibility-section { background: linear-gradient(145deg,#0d1430,#070a18); }
.check-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.check-list li { display: grid; grid-template-columns: minmax(130px,.42fr) 1fr; gap: 28px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.check-list b { color: #fff; font-size: 14px; }.check-list span { color: var(--text-soft); font-size: 13px; line-height: 1.68; }
.check-list.compact li { grid-template-columns: minmax(120px,.35fr) 1fr; padding: 19px 0; }
.cta-section { padding: 42px 0; background: var(--bg-deep); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 42px; padding: clamp(36px,5vw,62px); border: 1px solid rgba(109,91,255,.42); border-radius: 18px; background: radial-gradient(circle at 80% 30%,rgba(38,214,255,.11),transparent 30%),linear-gradient(120deg,#151e42,#101936 62%,#0b1024); box-shadow: 0 28px 80px rgba(0,3,18,.48); }
.cta-band > div { max-width: 700px; }.cta-band .section-kicker { color: #9d93ff; }.cta-band h2 { font-size: clamp(31px,4vw,52px); }.cta-band p:last-child { margin: 17px 0 0; color: rgba(232,238,255,.8); line-height: 1.7; }

/* Secondary page hero */
.page-hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .72fr; align-items: center; gap: clamp(60px,9vw,130px); min-height: 650px; padding-block: 90px; }
.page-hero h1 { font-size: clamp(46px,5.1vw,70px); }
.signal-panel { position: relative; min-height: 390px; border: 1px solid var(--line-strong); border-radius: 18px; overflow: hidden; background: radial-gradient(circle at 48% 46%,rgba(109,91,255,.2),transparent 28%),linear-gradient(145deg,rgba(16,25,54,.9),rgba(5,9,22,.96)); box-shadow: var(--shadow); }
.signal-panel::before, .signal-panel::after { content: ""; position: absolute; border-radius: 50%; }
.signal-panel::before { width: 330px; height: 330px; left: 50%; top: 50%; border: 1px dashed rgba(109,91,255,.3); transform: translate(-50%,-50%); }
.signal-panel::after { width: 230px; height: 230px; left: 50%; top: 50%; border: 1px solid rgba(38,214,255,.18); transform: translate(-50%,-50%); }
.signal-panel > span { position: absolute; z-index: 2; left: 50%; top: 50%; display: grid; place-items: center; width: 80px; height: 80px; border-radius: 14px; background: linear-gradient(145deg,var(--signal-purple),#4e3fc5); transform: translate(-50%,-50%); font-size: 23px; font-weight: 800; box-shadow: 0 0 55px rgba(109,91,255,.4); }
.signal-path { position: absolute; z-index: 1; width: 150px; height: 80px; border-top: 1px solid rgba(109,91,255,.6); border-radius: 50%; }
.path-a { left: 30px; top: 90px; transform: rotate(22deg); }.path-b { right: 22px; bottom: 74px; transform: rotate(-20deg); border-color: rgba(38,214,255,.5); }
.signal-node { position: absolute; z-index: 2; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 22px rgba(38,214,255,.82); }
.node-a { left: 42px; top: 97px; }.node-b { right: 44px; bottom: 84px; }.node-c { right: 74px; top: 62px; background: var(--magenta-bright); }

/* Products and solutions */
.fallback-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 90px; }
.fallback-grid > div > p:not(.section-kicker) { color: var(--text-soft); line-height: 1.75; }
.fallback-steps { margin: 0; padding: 0; list-style: none; }
.fallback-steps li { display: grid; grid-template-columns: 45px 1fr; column-gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.fallback-steps span { grid-row: span 2; display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(109,91,255,.45); border-radius: 8px; color: #9d93ff; font-size: 10px; }
.fallback-steps b { font-size: 15px; }.fallback-steps p { margin: 7px 0 0; color: var(--text-soft); font-size: 12px; line-height: 1.65; }
.channel-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }.channel-list span { border-radius: 16px; text-align: center; }
.callout-card { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding: 42px; border: 1px solid var(--line-strong); border-radius: 16px; background: linear-gradient(145deg,var(--surface-3),var(--surface)); }
.callout-card > p { margin: 0; color: var(--text-soft); line-height: 1.8; }
.solution-matrix { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; }
.solution-matrix article { padding: 27px; border: 1px solid var(--line); border-radius: 14px; background: rgba(16,25,54,.66); }
.solution-matrix article > span { color: #958aff; font-size: 10px; font-weight: 780; letter-spacing: .08em; text-transform: uppercase; }
.solution-matrix h3 { margin: 18px 0 22px; font-size: 23px; }.solution-matrix p { margin: 10px 0; color: var(--text-soft); font-size: 12px; line-height: 1.6; }
.solution-matrix b { color: #fff; }.matrix-note { margin: 22px 0 0; color: var(--text-muted); font-size: 11px; }
.availability-banner { max-width: 900px; }.availability-banner > span { display: inline-block; margin-bottom: 18px; color: var(--cyan); font-size: 11px; font-weight: 780; letter-spacing: .1em; text-transform: uppercase; }
.availability-banner p { max-width: 760px; margin: 22px 0 0; color: var(--text-soft); font-size: 16px; line-height: 1.75; }

/* Developers */
.architecture-flow { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.architecture-flow article { position: relative; min-height: 220px; padding: 25px; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(145deg,rgba(16,25,54,.84),rgba(8,13,31,.9)); }
.architecture-flow article:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; right: -13px; top: 50%; display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--cyan); font-size: 12px; }
.architecture-flow span { color: rgba(255,255,255,.22); font-size: 36px; font-weight: 820; }.architecture-flow h3 { margin: 34px 0 10px; font-size: 17px; }.architecture-flow p { margin: 0; color: var(--text-soft); font-size: 12px; line-height: 1.65; }
.architecture-note { margin: 20px 0 0; color: var(--text-muted); font-size: 11px; }
.preparation-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.numbered-checklist { margin: 0; padding: 0; list-style: none; }
.numbered-checklist li { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.numbered-checklist span { color: #958aff; font-size: 11px; font-weight: 780; }.numbered-checklist b { font-size: 14px; }.numbered-checklist p { margin: 6px 0 0; color: var(--text-soft); font-size: 12px; line-height: 1.6; }
.api-status { max-width: 850px; padding: 50px; border: 1px solid var(--line-strong); border-radius: 16px; background: radial-gradient(circle at 85% 20%,rgba(38,214,255,.09),transparent 31%),var(--surface); }
.status-beacon { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.status-beacon span { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 18px rgba(255,122,102,.55); }
.api-status h2 { margin: 22px 0 14px; font-size: clamp(32px,4vw,50px); line-height: 1.1; }.api-status p { margin: 0 0 27px; color: var(--text-soft); line-height: 1.75; }
.mini-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }.mini-cards article { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: rgba(16,25,54,.66); }.mini-cards b { font-size: 14px; }.mini-cards p { margin: 8px 0 0; color: var(--text-soft); font-size: 11px; line-height: 1.6; }

/* Resources */
.guide-list { border-top: 1px solid var(--line); }
.guide-list article { display: grid; grid-template-columns: 100px 1fr; gap: 50px; padding: 45px 0; border-bottom: 1px solid var(--line); }
.guide-number { color: rgba(255,255,255,.2); font-size: 48px; font-weight: 820; letter-spacing: -.07em; }
.guide-list h3 { margin: 0; font-size: 27px; }.guide-list p { max-width: 740px; margin: 14px 0 19px; color: var(--text-soft); line-height: 1.7; }
.guide-list ul { display: grid; grid-template-columns: repeat(2,1fr); gap: 9px 28px; margin: 0; padding: 0; list-style: none; }.guide-list li { position: relative; padding-left: 17px; color: var(--text-soft); font-size: 12px; }.guide-list li::before { content: ""; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(38,214,255,.45); }
.source-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }.source-grid a { position: relative; min-height: 220px; padding: 26px; border: 1px solid var(--line); border-radius: 13px; background: rgba(16,25,54,.65); }.source-grid h3 { margin: 0; font-size: 18px; }.source-grid p { margin: 13px 0 0; color: var(--text-soft); font-size: 12px; line-height: 1.65; }.source-grid a > span { position: absolute; right: 23px; bottom: 20px; color: var(--cyan); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }.faq-list { border-top: 1px solid var(--line); }.faq-list details { border-bottom: 1px solid var(--line); }.faq-list summary { padding: 23px 40px 23px 0; cursor: pointer; font-size: 16px; font-weight: 700; list-style: none; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary::after { content: "+"; float: right; margin-right: -34px; color: var(--cyan); }.faq-list details[open] summary::after { content: "−"; }.faq-list details p { margin: 0; padding: 0 0 24px; color: var(--text-soft); font-size: 13px; line-height: 1.72; }

/* Verified business contact */
.contact-section { position: relative; overflow: hidden; background: radial-gradient(circle at 74% 25%,rgba(109,91,255,.13),transparent 30%),linear-gradient(180deg,rgba(11,16,36,.4),rgba(7,10,24,.94)); }
.contact-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(38,214,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(109,91,255,.04) 1px,transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg,transparent,black 28%,black 80%,transparent); }
.contact-layout { position: relative; display: grid; grid-template-columns: .62fr 1.38fr; align-items: start; gap: clamp(42px,6vw,86px); }
.contact-intro { position: sticky; top: 110px; }
.contact-methods { display: grid; gap: 16px; }
.contact-card { min-width: 0; padding: clamp(27px,3.2vw,40px); border: 1px solid var(--line-strong); border-radius: 15px; background: linear-gradient(145deg,rgba(16,25,54,.94),rgba(8,13,31,.98)); box-shadow: var(--shadow); }
.contact-card > span, .contact-wechat-copy > span { display: block; margin-bottom: 17px; color: var(--cyan); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-card h3 { margin: 0; font-size: clamp(22px,2.3vw,30px); line-height: 1.18; }
.contact-card h3 a { color: #fff; overflow-wrap: anywhere; }
.contact-card p { max-width: 650px; margin: 15px 0 24px; color: var(--text-soft); font-size: 13px; line-height: 1.72; }
.contact-wechat { display: grid; grid-template-columns: minmax(0,1fr) 204px; align-items: center; gap: clamp(26px,4vw,52px); }
.wechat-qr-link { display: block; width: 204px; max-width: 100%; justify-self: end; padding: 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; background: #fff; box-shadow: 0 18px 55px rgba(0,0,0,.34),0 0 36px rgba(38,214,255,.08); }
.wechat-qr-link img { display: block; width: 100%; height: auto; }

/* Pricing brief */
.pricing-factors .info-card { min-height: 240px; padding: 23px; }.pricing-factors .info-card h3 { font-size: 18px; }.pricing-factors .info-card p { font-size: 12px; }
.brief-layout { display: grid; grid-template-columns: .74fr 1.26fr; align-items: start; gap: 80px; }
.privacy-note { display: flex; gap: 13px; margin-top: 30px; padding: 18px; border: 1px solid rgba(38,214,255,.18); border-radius: 10px; background: rgba(38,214,255,.045); }.privacy-note > span { flex: 0 0 auto; width: 9px; height: 9px; margin-top: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px rgba(38,214,255,.38); }.privacy-note p { margin: 0; color: var(--text-soft); font-size: 11px; line-height: 1.65; }.privacy-note b { color: #fff; }
.brief-form { padding: 31px; border: 1px solid var(--line-strong); border-radius: 15px; background: linear-gradient(145deg,rgba(16,25,54,.94),rgba(8,13,31,.96)); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin-bottom: 22px; }.form-grid label { display: block; }.form-grid label.full { grid-column: 1/-1; }.form-grid label > span { display: block; margin-bottom: 8px; color: var(--text-soft); font-size: 11px; font-weight: 700; }
.brief-form input, .brief-form select, .brief-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: rgba(3,7,20,.58); color: #fff; }
.brief-form input, .brief-form select { min-height: 48px; padding: 0 13px; }.brief-form textarea { padding: 13px; resize: vertical; line-height: 1.6; }.brief-form input::placeholder, .brief-form textarea::placeholder { color: #64739b; }.brief-form select { color-scheme: dark; }
.brief-output { display: block; margin-top: 23px; }.brief-output textarea { background: rgba(3,6,17,.7); color: var(--text-soft); font-family: "SFMono-Regular",Consolas,monospace; font-size: 11px; }
.form-status { margin: 10px 0 0; color: var(--text-muted); font-size: 10px; }

/* About */
.method-track { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; margin: 0; padding: 0; list-style: none; }.method-track li { min-height: 240px; padding: 26px; border-top: 2px solid var(--signal-purple); background: rgba(16,25,54,.58); }.method-track li:nth-child(even) { border-color: var(--cyan); }.method-track span { color: var(--text-muted); font-size: 10px; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }.method-track h3 { margin: 39px 0 10px; font-size: 22px; }.method-track p { margin: 0; color: var(--text-soft); font-size: 12px; line-height: 1.68; }
.focus-statement { max-width: 950px; }.focus-statement p:last-child { max-width: 760px; margin: 22px 0 0; color: var(--text-soft); font-size: 15px; line-height: 1.75; }
.network-section .section-heading { margin-bottom: 34px; }.network-cards { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }.network-cards a { display: flex; align-items: center; justify-content: space-between; min-height: 90px; padding: 19px; border: 1px solid var(--line); border-radius: 10px; background: rgba(16,25,54,.58); }.network-cards span { font-size: 12px; font-weight: 700; }.network-cards i { color: var(--cyan); font-style: normal; }
.independence-card { display: grid; grid-template-columns: 76px 1fr; gap: 28px; max-width: 930px; padding: 42px; border: 1px solid var(--line-strong); border-radius: 16px; background: linear-gradient(145deg,var(--surface-3),var(--surface)); }.independence-card img { width: 64px; }.independence-card p:last-child { margin: 18px 0 0; color: var(--text-soft); line-height: 1.75; }
.legal-cards .info-card { min-height: 275px; }

/* 404 */
.not-found { width: min(800px,calc(100% - 40px)); min-height: 660px; margin: 0 auto; padding: 100px 0 110px; text-align: center; }
.signal-code { display: flex; align-items: center; justify-content: center; gap: 18px; margin-bottom: 35px; }.signal-code span { color: rgba(255,255,255,.18); font-size: clamp(85px,15vw,150px); font-weight: 800; line-height: .8; letter-spacing: -.06em; }.signal-code img { width: 76px; height: 76px; box-shadow: 0 0 50px rgba(109,91,255,.3); border-radius: 14px; }
.not-found .eyebrow { justify-content: center; }.not-found h1 { margin-inline: auto; font-size: clamp(41px,6vw,69px); }.not-found > p:not(.eyebrow) { max-width: 630px; margin: 24px auto 0; color: var(--text-soft); font-size: 16px; line-height: 1.72; }.not-found .hero-actions { justify-content: center; }.not-found small { display: block; margin-top: 42px; color: var(--text-muted); line-height: 1.6; }

/* Footer */
.site-footer { padding: 86px 0 34px; border-top: 1px solid var(--line); background: #040610; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .88fr 1.05fr .9fr 1.12fr; gap: clamp(26px,3vw,48px); }
.footer-brand img { width: 198px; }.footer-brand p { max-width: 320px; margin: 21px 0 17px; color: var(--text-soft); font-size: 12px; line-height: 1.72; }
.footer-brand-line { display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border: 1px solid rgba(38,214,255,.22); border-radius: 5px; color: var(--cyan); background: rgba(38,214,255,.045); font-size: 9px; font-weight: 700; letter-spacing: .04em; line-height: 1.4; }
.footer-column, .footer-network { min-width: 0; }
.footer-grid h2 { margin: 0 0 20px; color: #fff; font-size: 11px; letter-spacing: .09em; text-transform: uppercase; }.footer-grid ul { margin: 0; padding: 0; list-style: none; }.footer-grid li { margin: 10px 0; }.footer-grid li a, .footer-network > p { color: var(--text-muted); font-size: 11px; line-height: 1.65; overflow-wrap: anywhere; }.footer-grid li a:hover, .footer-legal a:hover { color: #fff; }.footer-grid li a span { margin-left: 4px; color: var(--cyan); }
.footer-network > p { margin: -8px 0 13px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 58px; padding-top: 27px; border-top: 1px solid var(--line); color: #5e6c90; font-size: 9px; }
.footer-copyright, .footer-legal { display: flex; align-items: center; gap: 18px; }.footer-legal a { color: #7886aa; font-size: 10px; }

/* Responsive behavior */
@media (max-width: 1080px) {
  .card-grid.four, .solution-matrix, .source-grid { grid-template-columns: repeat(2,1fr); }
  .card-grid.five { grid-template-columns: repeat(3,1fr); }
  .journey-track { grid-template-columns: repeat(4,1fr); row-gap: 34px; }
  .journey-track li:nth-child(4)::before, .journey-track li:nth-child(7)::before { right: 50%; }
  .journey-track li:nth-child(5)::before { left: 50%; }
  .architecture-flow { grid-template-columns: repeat(3,1fr); }.architecture-flow article:nth-child(3)::after { display: none; }
  .network-cards { grid-template-columns: repeat(3,1fr); }
  .audience-grid { grid-template-columns: repeat(3,1fr); }
  .capability-matrix { grid-template-columns: repeat(3,1fr); }
  .metrics-grid { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1.3fr repeat(2,1fr); }.footer-brand { grid-column: 1/-1; }.footer-network { grid-column: auto; }
}

@media (max-width: 980px) {
  .desktop-nav { display: none; }.header-actions { margin-left: auto; }.menu-toggle { display: block; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr; }.hero-grid { padding-top: 86px; }.hero-copy { max-width: 760px; }.experience-card { max-width: 700px; width: 100%; margin-inline: auto; }
  .page-hero-grid { min-height: auto; padding-block: 90px; }.signal-panel { min-height: 330px; max-width: 620px; width: 100%; }
  .explorer-result, .fallback-grid, .callout-card, .preparation-grid, .brief-layout, .faq-layout, .contact-layout { grid-template-columns: 1fr; }
  .fallback-grid, .preparation-grid, .brief-layout, .faq-layout, .contact-layout { gap: 50px; }
  .contact-intro { position: static; max-width: 720px; }
  .result-lead { min-height: 320px; }.result-grid > div:first-child { border-left: 0; }.result-grid > div:nth-child(3) { border-left: 0; }
  .split-section, .responsibility-grid, .secondary-channel-grid, .localization-grid, .data-principles { grid-template-columns: 1fr; gap: 46px; }
  .architecture-flow { grid-template-columns: repeat(2,1fr); }.architecture-flow article:nth-child(3)::after { display: grid; }.architecture-flow article:nth-child(even)::after { display: none; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }.footer-brand { grid-column: 1/-1; }.footer-network { grid-column: auto; }
  .capability-matrix { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 28px,1180px); }
  .header-inner { min-height: 68px; gap: 11px; }.brand img { width: 164px; }.language-link { font-size: 12px; }.button-small { display: none; }
  .hero { min-height: auto; }.hero::before { background: linear-gradient(180deg, rgba(7,10,24,.94) 0%, rgba(7,10,24,.76) 28%, rgba(7,10,24,.48) 58%, rgba(7,10,24,.94) 100%), linear-gradient(90deg, rgba(7,10,24,.86), rgba(11,16,36,.46)); }.hero-signal-canvas { opacity: .36; }.hero-orbit { display: none; }.hero-grid { padding-block: 54px 68px; gap: 44px; }.eyebrow { margin-bottom: 17px; font-size: 9px; }h1 { font-size: clamp(36px,10.2vw,48px); line-height: 1.05; font-weight: 600; letter-spacing: -.022em; }.hero-lede { margin-top: 23px; font-size: 15px; line-height: 1.72; }.hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 28px; }.hero-actions .button { width: auto; max-width: 100%; align-self: flex-start; }
  .experience-card { padding: 10px; border-radius: 14px; }.region-tabs button { padding: 10px 4px; font-size: 9px; }.phone-stage { min-height: 465px; }.phone-shell { width: 232px; min-height: 365px; }.flow-chip { min-width: auto; padding: 7px 9px; }.flow-chip b { width: 22px; height: 22px; }.flow-chip span { font-size: 9px; }.chip-one { left: 3px; top: 112px; }.chip-two { right: 1px; top: 227px; }.chip-three { left: 5px; bottom: 32px; }
  .section { padding-block: 68px; }.section-heading { margin-bottom: 31px; }.section-heading h2, .split-section h2, .fallback-grid h2, .callout-card h2, .cta-band h2, .focus-statement h2, .independence-card h2, .availability-banner h2, .data-principles h2 { font-size: clamp(31px,9.4vw,44px); }.section-intro { font-size: 14px; }
  .card-grid.three, .card-grid.four, .card-grid.five, .solution-matrix, .source-grid, .method-track, .mini-cards, .audience-grid, .capability-matrix, .metrics-grid { grid-template-columns: 1fr; }.info-card { min-height: 0; padding: 22px; }
  .audience-grid .info-card { min-height: 0; }
  .metrics-grid article { min-height: 220px; }
  .capability-matrix article { min-height: 0; padding: 22px; }
  .explorer-controls { grid-template-columns: 1fr; gap: 23px; padding: 20px; }.selector-row { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }.selector-row button { flex: 0 0 auto; }.explorer-result { display: block; }.result-lead { min-height: 290px; padding: 30px; }.result-index { top: 28px; left: 30px; }.result-grid { grid-template-columns: 1fr; }.result-grid > div { padding: 25px; border-left: 0; }
  .journey-track { grid-template-columns: 1fr; row-gap: 0; }.journey-track li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 15px 0; }.journey-track li::before { top: 0; bottom: 0; left: 17px!important; right: auto!important; width: 1px; height: auto; }.journey-track li:first-child::before { top: 18px; }.journey-track li:last-child::before { bottom: calc(100% - 18px); }.journey-track li > span { margin: 0; }.journey-track h3, .journey-track p { text-align: left; }.journey-track p { margin-top: 6px; }
  .check-list li, .check-list.compact li { grid-template-columns: 1fr; gap: 8px; }.cta-section { padding: 28px 0; }.cta-band { align-items: flex-start; flex-direction: column; padding: 30px 24px; border-radius: 14px; }.cta-band .button { width: auto; max-width: 100%; }
  .page-hero-grid { padding-block: 67px; gap: 45px; }.page-hero h1 { font-size: clamp(36px,10.5vw,50px); }.signal-panel { min-height: 285px; }
  .channel-list, .result-grid, .guide-list ul, .form-grid { grid-template-columns: 1fr; }.callout-card { padding: 28px; gap: 30px; }.fallback-grid { gap: 42px; }
  .architecture-flow { grid-template-columns: 1fr; }.architecture-flow article { min-height: 180px; }.architecture-flow article::after { display: none!important; }.architecture-flow h3 { margin-top: 24px; }
  .api-status { padding: 30px 24px; }.guide-list article { grid-template-columns: 55px 1fr; gap: 18px; padding: 32px 0; }.guide-number { font-size: 34px; }.guide-list h3 { font-size: 22px; }
  .contact-methods { gap: 12px; }.contact-card { padding: 25px 20px; }.contact-card h3 { font-size: clamp(20px,6vw,25px); }.contact-wechat { grid-template-columns: 1fr; gap: 28px; }.wechat-qr-link { width: min(216px,100%); justify-self: center; padding: 12px; }
  .brief-form { padding: 22px 18px; }.form-grid label.full { grid-column: auto; }.network-cards { grid-template-columns: 1fr; }.independence-card { grid-template-columns: 1fr; padding: 29px; }.independence-card img { width: 58px; }
  .not-found { padding-block: 72px; min-height: 580px; }.signal-code { gap: 9px; }.signal-code img { width: 58px; height: 58px; }.not-found small { font-size: 9px; }
  .site-footer { padding-top: 64px; }.footer-grid { grid-template-columns: 1fr; gap: 0; }.footer-brand, .footer-network { grid-column: auto; }.footer-brand { padding-bottom: 34px; }.footer-column, .footer-network { padding: 28px 0; border-top: 1px solid var(--line); }.footer-grid h2 { margin-bottom: 15px; }.footer-grid ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 18px; }.footer-grid li { margin: 8px 0; }.footer-bottom { align-items: flex-start; flex-direction: column; margin-top: 24px; }.footer-copyright { align-items: flex-start; flex-direction: column; gap: 5px; }.footer-legal { gap: 22px; }
}

@media (max-width: 360px) {
  body[data-locale="zh"] .hero h1 { font-size: 33px; }
  .footer-grid ul { grid-template-columns: 1fr; }
  .footer-grid li { margin: 7px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms!important; animation-iteration-count: 1!important; transition-duration: .01ms!important; }
  .hero-signal-canvas { opacity: .38; }
}