:root {
  color-scheme: light;
  --ink: #12233f;
  --muted: #60708a;
  --blue: #2378f2;
  --blue-dark: #125fd0;
  --blue-soft: #eaf3ff;
  --cyan: #46c6ed;
  --line: #dce8f6;
  --surface: #ffffff;
  --background: #f7faff;
  --shadow: 0 24px 70px rgba(43, 91, 154, 0.12);
  --radius: 24px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

.container {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.alipay-qr-hint {
  margin: 0 auto 24px;
  max-width: 340px;
  text-align: center;
  font-size: 11px;
  line-height: 1.4;
  color: #8a98aa;
}

.alipay-qr {
  display: grid;
  margin: 0 auto 7px;
  place-items: center;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
}

.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(220, 232, 246, 0.78);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #183258;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand strong { color: var(--blue); }

.brand-mark {
  position: relative;
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(145deg, #3090ff, #1768e4);
  box-shadow: 0 8px 18px rgba(35, 120, 242, 0.25);
}

.brand-mark::before {
  width: 15px;
  height: 18px;
  border: 2px solid #fff;
  border-radius: 9px 9px 11px 11px;
  content: "";
}

.brand-mark span {
  position: absolute;
  width: 4px;
  height: 6px;
  border-radius: 2px;
  background: #fff;
}

nav { display: flex; align-items: center; gap: 32px; }
nav a { color: #52647e; font-size: 14px; font-weight: 650; text-decoration: none; }
nav a:hover { color: var(--blue); }

nav .nav-cta {
  padding: 10px 18px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 20%, rgba(132, 211, 255, 0.26), transparent 28%),
    radial-gradient(circle at 15% 35%, rgba(99, 159, 255, 0.11), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, #fff 100%);
}

.hero::after {
  position: absolute;
  right: -130px;
  bottom: 10px;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(93, 171, 255, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(93, 171, 255, 0.04), 0 0 0 140px rgba(93, 171, 255, 0.025);
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 640px;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 70px;
  padding-block: 72px 88px;
}

.eyebrow, .kicker {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-status { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 11px;
  border: 1px solid #cfe4ff;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
}

.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: #2ac68f; box-shadow: 0 0 0 4px rgba(42, 198, 143, 0.13); animation: status-pulse 2.8s ease-in-out infinite; }
.verified-date { margin: 0; color: #75859a; font-size: 13px; font-weight: 600; white-space: nowrap; }

@keyframes status-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(42, 198, 143, 0.13); opacity: 1; transform: scale(1); }
  50% { box-shadow: 0 0 0 8px rgba(42, 198, 143, 0.04); opacity: .72; transform: scale(.88); }
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 25px 0 22px;
  font-size: clamp(46px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}
h1 span { color: var(--blue); }

.hero-lead {
  max-width: 610px;
  margin-bottom: 29px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions { display: flex; align-items: center; gap: 26px; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  padding: 13px 24px;
  cursor: pointer;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, input:focus-visible, .dialog-close:focus-visible, a:focus-visible { outline: 3px solid rgba(35, 120, 242, 0.32); outline-offset: 3px; }
.button-primary { background: linear-gradient(135deg, #2c88f8, #1769df); color: #fff; box-shadow: 0 13px 28px rgba(35, 120, 242, 0.27); }
.button-primary:hover { box-shadow: 0 16px 34px rgba(35, 120, 242, 0.34); }
.button-secondary { border: 1px solid #c8d9ed; background: #fff; color: var(--ink); }
.button-secondary:hover { border-color: #99bce8; background: #f7fbff; }
.hero-actions .button { height: 52px; padding-block: 0; }
.hero-actions .button-primary { font-weight: 700; }
.hero-actions .button-secondary { border-color: #bcd8f7; color: var(--blue); box-shadow: none; font-weight: 600; }
.hero-actions .button-secondary span { margin-left: 8px; }
.text-link { color: #345374; font-size: 14px; font-weight: 750; text-decoration: none; }
.text-link span { display: inline-block; margin-left: 6px; color: var(--blue); transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(4px); }

.hero-notes { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 27px 0 0; padding: 0; color: #64758c; font-size: 13px; list-style: none; }
.hero-notes span { margin-right: 5px; color: #21aa7a; font-weight: 900; }

.hero-visual { position: relative; min-height: 450px; display: grid; place-items: center; }
.glow { position: absolute; width: 390px; height: 390px; border-radius: 50%; background: radial-gradient(circle, rgba(91, 178, 255, 0.26), rgba(91, 178, 255, 0.03) 64%, transparent 68%); filter: blur(2px); }
.connection-card {
  position: relative;
  width: min(340px, 84vw);
  border: 1px solid rgba(197, 220, 245, 0.85);
  border-radius: 30px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 35px 80px rgba(54, 106, 170, 0.19);
  text-align: center;
  backdrop-filter: blur(10px);
}
.connection-top { display: flex; align-items: center; gap: 8px; color: #536986; font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: 0.08em; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #27ca91; box-shadow: 0 0 0 4px rgba(39, 202, 145, 0.13); }
.signal { display: flex; align-items: end; gap: 2px; height: 12px; margin-left: auto; }
.signal i { display: block; width: 3px; border-radius: 1px; background: #31bd89; }
.signal i:nth-child(1) { height: 5px; } .signal i:nth-child(2) { height: 8px; } .signal i:nth-child(3) { height: 12px; }
.shield { position: relative; display: grid; width: 112px; height: 126px; margin: 26px auto 17px; place-items: center; background: linear-gradient(150deg, #43a4ff, #216ee7); border-radius: 55% 55% 62% 62% / 40% 40% 74% 74%; box-shadow: 0 19px 35px rgba(35, 120, 242, 0.28), inset 0 0 0 9px rgba(255,255,255,.08); }
.shield::before { position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.27); border-radius: inherit; content: ""; }
.shield-lock { position: relative; width: 28px; height: 25px; margin-top: 10px; border-radius: 6px; background: #fff; }
.shield-lock::before { position: absolute; left: 6px; top: -15px; width: 12px; height: 17px; border: 3px solid #fff; border-bottom: 0; border-radius: 9px 9px 0 0; content: ""; }
.connection-card > strong { display: block; font-size: 21px; }
.connection-card > small { display: block; margin: 4px 0 22px; color: #73849a; }
.server-row { display: flex; align-items: center; gap: 11px; padding: 13px; border-radius: 15px; background: #f2f7fd; text-align: left; }
.server-icon { display: grid; width: 37px; height: 37px; place-items: center; border-radius: 11px; background: #fff; color: var(--blue); font-size: 11px; font-weight: 850; box-shadow: 0 4px 12px rgba(43, 91, 154, 0.08); }
.server-row small, .server-row b { display: block; }
.server-row small { color: #8997a9; font-size: 10px; }
.server-row b { color: #344b6b; font-size: 12px; }
.latency { margin-left: auto; color: #27a977; font-size: 11px; font-weight: 800; }
.float-pill { position: absolute; z-index: 2; padding: 9px 13px; border: 1px solid rgba(205, 223, 243, 0.8); border-radius: 13px; background: rgba(255,255,255,.92); box-shadow: 0 12px 28px rgba(43,91,154,.13); color: #46607e; font-size: 11px; font-weight: 800; }
.pill-fast { top: 17%; left: 1%; transform: rotate(-4deg); }
.pill-devices { right: 0; bottom: 24%; transform: rotate(3deg); }
.pill-china { top: 5%; right: 3%; color: #2473cf; transform: rotate(2deg); }
.pill-premium { bottom: 7%; left: 4%; color: #6658c8; transform: rotate(-2deg); }
.pill-traffic { top: 50%; right: -6%; color: #168b73; transform: rotate(-3deg); }

.section { padding-block: 96px; }
.benefits { background: #fff; }
.section-heading { max-width: 630px; margin: 0 auto 46px; text-align: center; }
.kicker { margin-bottom: 10px; }
.section-heading h2, .steps h2 { margin-bottom: 14px; font-size: clamp(32px, 4vw, 44px); line-height: 1.15; letter-spacing: -0.04em; }
.section-heading > p:last-child { color: var(--muted); }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit-card { min-height: 235px; border: 1px solid #e3edf8; border-radius: 20px; padding: 25px 23px; background: linear-gradient(150deg, #fff, #fbfdff); box-shadow: 0 12px 36px rgba(52, 91, 143, 0.055); }
.benefit-card h3 { margin: 18px 0 8px; font-size: 17px; letter-spacing: -0.02em; }
.benefit-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.feature-icon { position: relative; display: grid; width: 44px; height: 44px; place-items: center; border-radius: 14px; background: var(--blue-soft); color: var(--blue); font-size: 24px; font-weight: 600; }
.globe-icon::before { width: 20px; height: 20px; border: 2px solid var(--blue); border-radius: 50%; content: ""; }
.globe-icon::after { position: absolute; width: 8px; height: 18px; border: solid var(--blue); border-width: 0 1px; border-radius: 50%; content: ""; }
.specialist-icon::before { width: 20px; height: 20px; border: 2px solid var(--blue); border-radius: 50%; content: ""; }
.specialist-icon::after { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); content: ""; }
.devices-icon::before { width: 20px; height: 15px; border: 2px solid var(--blue); border-radius: 3px; content: ""; }
.devices-icon::after { position: absolute; bottom: 10px; width: 14px; height: 2px; border-radius: 2px; background: var(--blue); content: ""; }
.devices-icon i { position: absolute; right: 9px; bottom: 9px; width: 9px; height: 17px; border: 2px solid var(--blue); border-radius: 3px; background: var(--blue-soft); }
.chat-icon::before { width: 20px; height: 16px; border: 2px solid var(--blue); border-radius: 6px; content: ""; }
.chat-icon::after { position: absolute; left: 12px; bottom: 10px; width: 7px; height: 7px; border-left: 2px solid var(--blue); transform: skew(-30deg); content: ""; }
.years-icon { font-size: 14px; font-weight: 850; letter-spacing: -.04em; }

.china-networks { overflow: hidden; padding-block: 64px; background: #fff; }
.china-network-layout { display: grid; min-height: 510px; grid-template-columns: minmax(0, 1fr) minmax(520px, 1.15fr); align-items: center; gap: 36px; }
.china-network-copy { position: relative; z-index: 2; max-width: 500px; }
.china-network-badge { display: inline-flex; align-items: center; min-height: 34px; margin: 0 0 25px; border-radius: 999px; padding: 6px 14px; background: var(--blue-soft); color: var(--blue); font-size: 12px; font-weight: 750; }
.china-network-copy h2 {
  max-width: 560px;
  margin: 0 0 26px;
  font-size: clamp(36px, 2.8vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}
.china-network-text { margin: 0; color: #637894; font-size: 15px; line-height: 1.72; }
.china-network-facts { display: grid; grid-template-columns: .78fr 1.22fr; gap: 12px; margin-top: 32px; }
.china-network-facts > div { display: grid; min-width: 0; min-height: 78px; grid-template-columns: 38px minmax(0, 1fr); align-items: center; gap: 11px; border: 1px solid var(--line); border-radius: 19px; padding: 13px 14px; background: linear-gradient(145deg, #fff, #f8fbff); box-shadow: 0 12px 30px rgba(43, 91, 154, .07); }
.china-network-facts svg { width: 31px; height: 31px; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.china-network-facts > div:nth-child(2) svg { fill: var(--blue); stroke: none; }
.china-network-facts span, .china-network-facts strong, .china-network-facts small { display: block; min-width: 0; }
.china-network-facts strong { color: #243e5e; font-size: 12px; line-height: 1.35; }
.china-network-facts small { margin-top: 4px; color: #8292a6; font-size: 10px; }
.china-network-map { position: relative; width: 100%; min-width: 0; height: 500px; background: radial-gradient(circle at 50% 52%, rgba(94, 170, 255, .22), rgba(225, 240, 255, .35) 34%, rgba(255, 255, 255, 0) 70%); }
.china-network-map::before, .china-network-map::after { position: absolute; z-index: 0; top: 50%; left: 50%; border-radius: 50%; background: rgba(116, 184, 255, .08); content: ""; transform: translate(-50%, -50%); }
.china-network-map::before { width: 260px; height: 260px; }
.china-network-map::after { width: 200px; height: 200px; background: rgba(116, 184, 255, .1); }
.network-skyline { position: absolute; z-index: 0; right: 0; bottom: 55px; left: 0; width: 100%; height: 210px; opacity: .72; }
.skyline-mountains { fill: #edf5ff; }
.skyline-city { fill: #dcecff; }
.network-lines { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; overflow: visible; }
.network-lines path { fill: none; stroke: #5aa2f5; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.network-lines circle { fill: #4f9cf4; stroke: #fff; stroke-width: 2; }
.network-lines-mobile { display: none; }
.network-operators, .network-devices { position: absolute; z-index: 3; right: 10px; left: 10px; display: grid; }
.network-operators { top: 8px; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.network-devices { bottom: 8px; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.network-card { min-width: 0; border: 1px solid var(--line); background: rgba(255, 255, 255, .97); box-shadow: 0 13px 32px rgba(43, 91, 154, .09); text-align: center; }
.operator-card { display: flex; min-height: 122px; align-items: center; justify-content: center; flex-direction: column; border-radius: 21px; padding: 13px 8px 10px; }
.operator-logo { width: 48px; height: 48px; margin-bottom: 5px; fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-width: 4; }
.mobile-logo { stroke: #2583d8; }
.mobile-logo path:nth-child(2) { stroke: #70b74c; }
.telecom-logo { fill: #1768bf; stroke: none; }
.unicom-logo { stroke: #e72839; stroke-width: 3.7; }
.operator-card strong, .operator-card small { display: block; }
.operator-card strong { color: #18324f; font-size: 12px; line-height: 1.25; }
.operator-card small { margin-top: 2px; color: #8b9cb0; font-size: 10px; }
.network-shield { position: absolute; z-index: 3; top: 51%; left: 50%; display: grid; width: 148px; height: 168px; place-items: center; background: linear-gradient(150deg, #45b9f5 0%, var(--blue) 55%, #175bda 100%); clip-path: polygon(50% 0, 92% 15%, 87% 66%, 50% 100%, 13% 66%, 8% 15%); filter: drop-shadow(0 22px 28px rgba(35, 120, 242, .3)); transform: translate(-50%, -50%); }
.network-shield::before { position: absolute; inset: 12px; border: 1px solid rgba(255, 255, 255, .25); clip-path: inherit; content: ""; }
.network-shield span { position: relative; display: grid; width: 75px; height: 75px; place-items: center; border: 3px solid rgba(255, 255, 255, .92); border-radius: 50%; }
.network-shield strong { color: #fff; font-size: 22px; letter-spacing: .05em; }
.device-card { display: flex; min-height: 84px; align-items: center; justify-content: center; flex-direction: column; border-radius: 19px; padding: 9px 5px 8px; }
.device-card svg { width: 31px; height: 31px; margin-bottom: 4px; fill: none; stroke: #4c6079; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.device-card .android-logo { stroke: #6fbd43; }
.device-card .android-logo circle { fill: #6fbd43; stroke: none; }
.device-card .windows-logo { fill: #22a8e5; stroke: none; }
.device-card .macos-logo { fill: #dfe9f5; stroke: #3488dd; }
.device-card strong { color: #294360; font-size: 11px; }

.plans { background: var(--background); }
.plans.section { padding-block: 72px; }
.plans .section-heading { margin-bottom: 34px; }
.pricing-grid {
  position: relative;
  display: grid;
  max-width: 790px;
  margin: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 18px;
}
.plan-map-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.price-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 450px;
  flex-direction: column;
  border: 1px solid #d9e7f5;
  border-radius: 22px;
  padding: 20px 20px 18px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(44, 87, 146, .08);
}
.price-card-featured { border: 2px solid var(--blue); box-shadow: 0 20px 48px rgba(35, 120, 242, .14); transform: translateY(-5px); }
.popular-label { position: absolute; top: -14px; right: 22px; padding: 6px 13px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 10px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.plan-title { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid #e8eff7; }
.plan-title h3 { margin: 0 0 1px; font-size: 22px; letter-spacing: -.025em; }
.plan-title p { margin: 0; color: var(--muted); font-size: 13px; }
.plan-dot { display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; border-radius: 14px; }
.plan-dot::before { width: 18px; height: 18px; border: 2px solid currentColor; border-radius: 50%; content: ""; }
.basic-dot { background: #f1f6fc; color: #1c5fc2; }
.premium-dot { background: var(--blue-soft); color: var(--blue); }
.premium-dot::before { border-width: 6px; }
.price { display: flex; min-width: 0; flex-wrap: wrap; align-items: baseline; gap: 7px; margin: 13px 0 11px; line-height: 1.1; }
.price strong { font-size: 36px; line-height: 1; letter-spacing: -0.045em; }
.price span { color: var(--muted); font-size: 13px; }
.plan-map-wrap {
  position: relative;
  height: 128px;
  min-height: 128px;
  margin: 0 0 12px;
  overflow: hidden;
  border: 1px solid #e0ebf7;
  border-radius: 14px;
  background: #f8fbff;
}
.plan-map { display: block; width: 100%; height: 100%; }
.map-land { fill: #d4e4f4; stroke: #b9d1e9; stroke-linejoin: round; stroke-width: 1.2; }
.map-location .map-glow { fill: #d8eaff; }
.map-location circle:not(.map-glow) { fill: var(--blue); stroke: #fff; stroke-width: 2.5; }
.map-location text { fill: #203a5b; font-family: inherit; font-size: 17px; font-weight: 800; paint-order: stroke; stroke: #f8fbff; stroke-linejoin: round; stroke-width: 4px; }
.map-location-small text { font-size: 15px; }
.map-leader { stroke: #75aef1; stroke-linecap: round; stroke-width: 1.5; }
.price-card ul { display: grid; gap: 8px; margin: 0 0 14px; padding: 0; color: #435675; font-size: 14px; list-style: none; }
.price-card li { display: flex; align-items: center; gap: 9px; }
.price-card li span { display: grid; flex: 0 0 20px; height: 20px; place-items: center; border-radius: 50%; background: #e7f8f2; color: #1ca678; font-size: 11px; font-weight: 900; }
.price-card .button { width: 100%; margin-top: auto; }
.payment-note { margin: 31px 0 0; color: #78889c; font-size: 12px; text-align: center; }
.payment-note span { margin-right: 4px; color: var(--blue); }
.china-ip-promo { display: grid; max-width: 790px; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 20px; margin: 22px auto 0; border: 1px solid #dfe9f5; border-radius: 18px; padding: 18px 20px; background: rgba(255, 255, 255, .72); }
.china-ip-promo h3 { margin: 0 0 5px; font-size: 17px; }
.china-ip-promo p { margin: 0; color: var(--muted); font-size: 13px; }
.china-ip-promo-price { color: var(--ink) !important; font-size: 18px !important; font-weight: 800; white-space: nowrap; }
.china-ip-promo-price span { color: var(--muted); font-size: 12px; font-weight: 500; }
.china-ip-promo .button { min-height: 43px; padding: 9px 17px; font-size: 13px; }

.steps { padding-block: 72px; background: #fff; }
.steps-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; }
.steps-copy { max-width: 430px; }
.steps-copy h2 { margin-bottom: 18px; font-size: clamp(30px, 3.7vw, 41px); line-height: 1.1; }
.steps-intro { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.steps ol { display: grid; margin: 0; padding: 0; list-style: none; }
.steps li { position: relative; display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 18px; padding-bottom: 28px; }
.steps li:last-child { padding-bottom: 0; }
.steps li:not(:last-child)::before { position: absolute; top: 42px; bottom: 0; left: 20px; width: 1px; background: #cfe4ff; content: ""; }
.steps li > span { position: relative; z-index: 1; display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-weight: 850; }
.steps strong { font-size: 16px; }
.steps li p { margin: 5px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.faq { border-top: 1px solid #e8f0f8; background: var(--background); }
.faq .section-heading { margin-bottom: 38px; }
.faq-grid { display: grid; width: min(100%, 880px); margin-inline: auto; gap: 12px; }
.faq details { overflow: hidden; border: 1px solid #dfe9f5; border-radius: 16px; background: #fff; box-shadow: 0 8px 24px rgba(44, 87, 146, 0.05); }
.faq details[open] { border-color: #c9ddf3; box-shadow: 0 13px 34px rgba(44, 87, 146, 0.08); }
.faq summary { display: grid; min-height: 66px; grid-template-columns: minmax(0, 1fr) 30px; align-items: center; gap: 18px; padding: 16px 18px 16px 22px; cursor: pointer; font-size: 15px; font-weight: 750; line-height: 1.4; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { display: grid; width: 30px; height: 30px; place-items: center; justify-self: end; border-radius: 50%; background: var(--blue-soft); color: var(--blue); content: "+"; font-size: 20px; font-weight: 450; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { padding-bottom: 12px; }
.faq details p { max-width: 790px; margin: 0; padding: 0 68px 18px 22px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.faq details p + p { margin-top: -7px; padding-top: 0; }

.site-footer { border-top: 1px solid #e4edf7; background: #f8fbff; }
.footer-inner { padding-block: 34px 20px; color: #75859a; font-size: 12px; }
.footer-columns { display: grid; grid-template-columns: minmax(0, 1.5fr) 1fr 1fr; align-items: start; gap: 40px; }
.brand-footer { font-size: 16px; }
.brand-footer .brand-mark { width: 30px; height: 30px; border-radius: 9px; }
.brand-footer .brand-mark::before { width: 12px; height: 14px; }
.footer-brand p { margin: 10px 0 0; line-height: 1.5; }
.footer-column h2 { margin: 3px 0 12px; color: #52647e; font-size: 12px; font-weight: 650; }
.footer-links { display: grid; justify-items: start; gap: 10px; }
.footer-links a { color: #75859a; text-decoration: none; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { margin-top: 26px; padding-top: 16px; border-top: 1px solid #e4edf7; }
.copyright { margin: 0; color: #8a98aa; }

.checkout-dialog { width: min(470px, calc(100% - 28px)); max-height: calc(100dvh - 28px); overflow-y: auto; border: 0; border-radius: 26px; padding: 0; color: var(--ink); box-shadow: 0 35px 100px rgba(18, 35, 63, .28); }
.checkout-dialog::backdrop { background: rgba(18, 35, 63, .56); backdrop-filter: blur(5px); }
.dialog-shell { position: relative; padding: 36px; }
.dialog-close { position: absolute; z-index: 2; top: 18px; right: 18px; display: grid; width: 34px; height: 34px; place-items: center; border: 0; border-radius: 50%; background: #f1f5fa; color: #62748b; cursor: pointer; font-size: 23px; line-height: 1; }
.dialog-icon { display: grid; width: 47px; height: 47px; margin-bottom: 20px; place-items: center; border-radius: 15px; background: var(--blue-soft); color: var(--blue); font-size: 24px; }
.dialog-shell h2 { margin-bottom: 8px; font-size: 29px; letter-spacing: -.035em; }
.dialog-description { margin-bottom: 22px; color: var(--muted); font-size: 14px; }
.order-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 22px; padding: 17px; border: 1px solid #dfebf8; border-radius: 15px; background: #f7fbff; }
.order-summary span + span { padding-left: 14px; border-left: 1px solid #dce8f5; }
.order-summary small, .order-summary strong { display: block; }
.order-summary small { margin-bottom: 2px; color: #8695a8; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.order-summary strong { font-size: 13px; }
.duration-picker { margin: 0 0 19px; border: 0; padding: 0; }
.duration-picker legend { margin-bottom: 7px; padding: 0; font-size: 12px; font-weight: 750; }
.duration-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
form .duration-option { position: relative; display: flex; min-height: 53px; align-items: center; justify-content: space-between; gap: 8px; margin: 0; border: 1px solid #ccdbea; border-radius: 12px; padding: 9px 11px; background: #fff; color: #52647e; cursor: pointer; }
.duration-option:hover { border-color: #99bce8; background: #f7fbff; }
.duration-option.is-selected { border-color: var(--blue); background: var(--blue-soft); color: var(--blue-dark); box-shadow: 0 0 0 2px rgba(35, 120, 242, .08); }
.duration-option input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.duration-option:focus-within { outline: 3px solid rgba(35, 120, 242, .24); outline-offset: 2px; }
.duration-option span { font-size: 12px; }
.duration-option strong { font-size: 12px; white-space: nowrap; }
.duration-option.traffic-reset-option { grid-column: 1 / -1; margin-top: 4px; border-style: dashed; background: #fbfdff; }
.duration-option.traffic-reset-option.is-selected { border-style: solid; background: var(--blue-soft); }
.traffic-reset-notice { margin: 9px 0 0; border-radius: 10px; padding: 9px 11px; background: #f0f7ff; color: #526b87; font-size: 11px; line-height: 1.45; }
.payment-method-picker { margin: 0 0 19px; border: 0; padding: 0; }
.payment-method-picker legend { margin-bottom: 7px; padding: 0; font-size: 12px; font-weight: 750; }
.payment-method-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
form .payment-method-option { position: relative; display: flex; min-height: 46px; align-items: center; margin: 0; border: 1px solid #ccdbea; border-radius: 12px; padding: 9px 11px; background: #fff; color: #52647e; cursor: pointer; }
.payment-method-option:hover { border-color: #99bce8; background: #f7fbff; }
.payment-method-option.is-selected { border-color: var(--blue); background: var(--blue-soft); color: var(--blue-dark); box-shadow: 0 0 0 2px rgba(35, 120, 242, .08); }
.payment-method-option input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.payment-method-option:focus-within { outline: 3px solid rgba(35, 120, 242, .24); outline-offset: 2px; }
.payment-method-option span { font-size: 12px; font-weight: 700; }
form label { display: block; margin-bottom: 7px; font-size: 12px; font-weight: 750; }
form input { width: 100%; height: 51px; border: 1px solid #ccdbea; border-radius: 12px; padding: 0 14px; background: #fff; color: var(--ink); outline: 0; }
form input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(35,120,242,.1); }
.form-message { min-height: 20px; margin: 6px 0 5px; color: var(--muted); font-size: 12px; }
.form-message.is-error { color: #c83e4d; }
.submit-button { width: 100%; justify-content: space-between; }
.submit-button:disabled { cursor: wait; opacity: .7; transform: none; }
.button-arrow { font-size: 20px; font-weight: 400; }
.privacy-note { margin: 12px 0 0; color: #8795a6; font-size: 10px; text-align: center; }
.privacy-note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.success-view { padding: 18px 4px 4px; text-align: center; }
.success-mark { display: grid; width: 66px; height: 66px; margin: 0 auto 23px; place-items: center; border-radius: 50%; background: #e7f9f2; color: #1ba978; font-size: 31px; font-weight: 900; }
.success-view > p:not(.kicker) { color: var(--muted); font-size: 14px; }
.success-view > p strong { color: var(--ink); overflow-wrap: anywhere; }
.success-view .order-purpose { margin: -4px 0 10px; font-size: 13px; }
.status-badge { display: inline-flex; align-items: center; gap: 8px; margin: 10px 0 27px; padding: 8px 12px; border-radius: 999px; background: #fff6df; color: #956b0e; font-size: 11px; font-weight: 800; }
.status-badge span { width: 7px; height: 7px; border-radius: 50%; background: #efb839; }
.success-view .button { width: 100%; }

.product-page { background: #fff; }
.china-ip-hero { padding-block: 82px 72px; background: radial-gradient(circle at 78% 25%, rgba(111, 193, 255, .2), transparent 28%), linear-gradient(180deg, #f3f8ff 0%, #fff 100%); }
.product-hero-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(270px, .6fr); align-items: center; gap: 70px; }
.product-hero-inner h1 { max-width: 700px; margin: 14px 0 20px; font-size: clamp(44px, 5.5vw, 66px); }
.product-hero-inner .hero-lead { margin-bottom: 0; }
.product-price-box { border: 1px solid #dbe9f7; border-radius: 22px; padding: 28px; background: rgba(255, 255, 255, .9); box-shadow: 0 20px 55px rgba(44, 87, 146, .1); }
.product-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 21px; }
.product-price strong { font-size: 34px; letter-spacing: -.04em; }
.product-price span { color: var(--muted); font-size: 13px; }
.product-price-box .button { width: 100%; }
.product-benefits { padding-block: 68px; }
.product-section-heading { margin-bottom: 30px; }
.product-section-heading h2 { font-size: clamp(28px, 3.4vw, 38px); }
.product-benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product-benefit-grid > div { display: flex; min-height: 110px; align-items: center; gap: 13px; border: 1px solid #e3edf8; border-radius: 17px; padding: 18px; background: #fbfdff; }
.product-benefit-grid span { display: grid; width: 37px; height: 37px; flex: 0 0 37px; place-items: center; border-radius: 12px; background: var(--blue-soft); color: var(--blue); font-size: 12px; font-weight: 850; }
.product-benefit-grid strong { font-size: 14px; line-height: 1.4; }
.product-steps { padding-block: 68px; background: var(--background); }
.product-steps ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; }
.product-steps li { display: flex; min-height: 75px; align-items: center; gap: 15px; }
.product-steps li > span { display: grid; width: 42px; height: 42px; flex: 0 0 42px; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-weight: 850; }
.product-steps li strong { font-size: 15px; line-height: 1.45; }
.product-order { padding-block: 76px; }
.product-order-inner { display: grid; max-width: 900px; grid-template-columns: 1fr 1fr; align-items: start; gap: 70px; }
.product-order-copy h2 { margin-bottom: 14px; font-size: clamp(29px, 3.4vw, 39px); line-height: 1.15; letter-spacing: -.04em; }
.product-order-copy > p:last-child { color: var(--muted); font-size: 14px; }
.product-order-card { border: 1px solid #dfe9f5; border-radius: 22px; padding: 27px; background: #fff; box-shadow: 0 18px 48px rgba(44, 87, 146, .09); }
.product-order-summary { display: grid; gap: 10px; margin: 0 0 22px; }
.product-order-summary div { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.product-order-summary dt { color: var(--muted); font-size: 12px; }
.product-order-summary dd { margin: 0; font-size: 14px; font-weight: 750; }
.product-order-card .success-view { padding-top: 4px; }

.china-ip-page { overflow-x: hidden; background: #fff; }
.cip-hero { padding-block: 70px 76px; background: linear-gradient(180deg, #f7faff 0%, #fff 100%); }
.cip-hero-grid { display: grid; min-height: 410px; grid-template-columns: minmax(0, 1.08fr) minmax(400px, .92fr); align-items: center; gap: 64px; }
.cip-hero-copy { position: relative; z-index: 2; }
.cip-hero-copy h1 { max-width: 650px; margin: 14px 0 12px; font-size: clamp(46px, 5vw, 64px); line-height: 1.02; letter-spacing: -.052em; }
.cip-hero-subtitle { max-width: 680px; margin: 0 0 17px; color: #425a78; font-size: 19px; font-weight: 650; line-height: 1.45; }
.cip-hero-description { max-width: 650px; margin: 0 0 28px; color: var(--muted); font-size: 16px; line-height: 1.72; }
.cip-hero-cta { min-width: 225px; }
.cip-map { position: relative; min-height: 350px; margin: 0; isolation: isolate; }
.cip-map::before { position: absolute; z-index: -1; inset: 18px 0 0 25px; border-radius: 50%; background: radial-gradient(circle, rgba(116, 182, 245, .16), rgba(255, 255, 255, 0) 68%); content: ""; }
.cip-map-shape { position: absolute; top: 5px; right: 0; width: min(100%, 480px); height: 330px; }
.cip-map-shape path { fill: #e4ebf4; stroke: #d6e1ed; stroke-linejoin: round; stroke-width: 2; }
.cip-flag { position: absolute; z-index: 2; top: 135px; left: 42%; display: block; width: 70px; height: auto; border-radius: 6px; box-shadow: 0 10px 22px rgba(159, 62, 57, .15); }
.cip-map-pin { position: absolute; z-index: 2; top: 162px; right: 25%; display: block; width: 34px; height: 34px; filter: drop-shadow(0 8px 9px rgba(40, 91, 135, .17)); }
.cip-map figcaption { position: absolute; z-index: 3; right: 7%; bottom: 18px; min-width: 180px; border: 1px solid #dce7f3; border-radius: 15px; padding: 14px 16px; background: rgba(255, 255, 255, .95); box-shadow: 0 14px 34px rgba(44, 87, 146, .11); }
.cip-map figcaption strong, .cip-map figcaption span { display: block; }
.cip-map figcaption strong { margin-bottom: 2px; font-size: 15px; }
.cip-map figcaption span { color: var(--muted); font-size: 12px; }
.cip-section { padding-block: 72px; }
.cip-section-heading { max-width: 850px; margin: 0 0 30px; }
.cip-section-heading h2 { margin: 0 0 10px; font-size: clamp(30px, 3.5vw, 42px); line-height: 1.14; letter-spacing: -.04em; }
.cip-section-heading p { margin: 0; color: var(--muted); font-size: 15px; }
.cip-use-grid, .cip-more-grid { display: grid; gap: 16px; }
.cip-use-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cip-more-uses { padding-top: 16px; }
.cip-more-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cip-feature-card { min-width: 0; min-height: 210px; border: 1px solid #e1ebf6; border-radius: 18px; padding: 22px; background: #f8fbff; box-shadow: 0 10px 28px rgba(44, 87, 146, .045); }
.cip-feature-card svg { width: 37px; height: 37px; margin-bottom: 17px; fill: none; stroke: #294463; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.cip-feature-card h3 { margin: 0 0 9px; font-size: 16px; line-height: 1.35; }
.cip-feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.cip-more-grid .cip-feature-card { min-height: 180px; }
.cip-speed { padding-block: 22px 70px; }
.cip-speed-panel { display: grid; min-height: 180px; grid-template-columns: 150px minmax(0, 1fr); align-items: center; gap: 30px; border: 1px solid #dfeaf6; border-radius: 20px; padding: 26px 34px; background: #f7fbff; }
.cip-speed-gauge { width: 138px; height: auto; overflow: visible; }
.cip-speed-gauge path, .cip-speed-gauge circle { fill: none; stroke-linecap: round; }
.cip-speed-gauge .gauge-track { stroke: #d9e6f3; stroke-width: 9; }
.cip-speed-gauge .gauge-value { stroke: #5599c7; stroke-width: 9; }
.cip-speed-gauge .gauge-needle { stroke: #294963; stroke-width: 4; }
.cip-speed-gauge circle { fill: #294963; stroke: #fff; stroke-width: 3; }
.cip-speed-copy h2 { margin: 0 0 8px; font-size: clamp(25px, 3vw, 34px); line-height: 1.2; letter-spacing: -.025em; }
.cip-speed-copy h2 strong { color: var(--blue-dark); white-space: nowrap; }
.cip-speed-copy p { max-width: 720px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.cip-included { padding-top: 18px; }
.cip-included-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cip-included-grid > div { display: flex; min-height: 86px; align-items: center; gap: 14px; border: 1px solid #e2ecf7; border-radius: 16px; padding: 18px 20px; background: #f8fbff; }
.cip-included-grid > div > span { display: grid; width: 34px; height: 34px; flex: 0 0 34px; place-items: center; border-radius: 50%; background: #e2f6ef; color: #18865f; font-weight: 900; }
.cip-included-grid strong { font-size: 14px; line-height: 1.45; }
.cip-notice { display: grid; grid-template-columns: 42px minmax(0, 1fr); align-items: start; gap: 16px; margin-top: 18px; border: 1px solid #f0dfbd; border-radius: 17px; padding: 18px 20px; background: #fff8e9; }
.cip-notice > span { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: #e8ae35; color: #fff; font-weight: 900; }
.cip-notice strong { display: block; margin-bottom: 4px; color: #513b1c; font-size: 14px; }
.cip-notice p { margin: 0; color: #705c40; font-size: 13px; line-height: 1.55; }
.cip-order { padding-block: 76px; background: var(--background); }
.cip-order .container { display: grid; max-width: 980px; grid-template-columns: minmax(0, .9fr) minmax(400px, 1.1fr); align-items: start; gap: 64px; }
.cip-order-heading { padding-top: 16px; }
.cip-order-heading h2 { margin: 9px 0 13px; font-size: clamp(32px, 4vw, 44px); line-height: 1.12; letter-spacing: -.04em; }
.cip-order-heading > p:last-child { max-width: 380px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.cip-order-card { width: 100%; }
.cip-order-card .product-order-summary { margin-bottom: 20px; }

.payment-page { min-height: 100vh; background: radial-gradient(circle at 75% 18%, rgba(105, 190, 255, .2), transparent 27%), var(--background); }
.payment-shell { padding-block: 56px 72px; }
.payment-card { width: min(100%, 650px); margin-inline: auto; border: 1px solid #dbe8f6; border-radius: 26px; padding: 36px; background: #fff; box-shadow: 0 24px 68px rgba(44, 87, 146, .12); }
.payment-back { display: inline-flex; min-height: 36px; align-items: center; margin: 0 0 18px; border: 1px solid #d3e2f2; border-radius: 11px; padding: 7px 12px; background: #fff; color: #58708d; cursor: pointer; font: inherit; font-size: 13px; font-weight: 650; }
.payment-back:hover { border-color: #a9c8ea; background: #f7fbff; color: var(--blue); }
.payment-back:focus-visible { outline: 3px solid rgba(35, 120, 242, .24); outline-offset: 2px; }
.payment-card h1 { margin: 8px 0 27px; font-size: clamp(34px, 6vw, 46px); }
.payment-summary { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; margin: 0 0 27px; border: 1px solid #e0eaf5; border-radius: 15px; background: #e0eaf5; }
.payment-summary div { min-width: 0; padding: 14px 16px; background: #f8fbff; }
.payment-summary .payment-total { background: var(--blue-soft); }
.payment-summary .payment-email { grid-column: 1 / -1; }
.payment-summary dt { margin-bottom: 3px; color: #8594a7; font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
.payment-summary dd { margin: 0; font-size: 14px; font-weight: 750; }
.payment-summary .payment-total dd { color: var(--blue-dark); font-size: 22px; }
.order-id { overflow-wrap: anywhere; }
.alipay-qr { display: grid; margin: 0 auto 28px; place-items: center; }
.alipay-qr img, .qr-placeholder { width: 240px; height: 240px; border: 1px solid #d9e7f5; border-radius: 18px; background: #f7fbff; }
.alipay-qr img { display: block; object-fit: contain; }
.qr-placeholder { display: grid; place-items: center; color: #7890aa; font-size: 14px; font-weight: 750; }
.payment-instructions { display: grid; gap: 10px; margin: 0 0 25px; padding-left: 22px; color: #52647e; font-size: 14px; line-height: 1.55; }
.payment-instructions span { color: var(--blue); font-weight: 700; }
.support-copy { display: flex; min-height: 48px; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid #d9e7f5; border-radius: 13px; padding: 8px 9px 8px 14px; background: #f8fbff; }
.support-copy > span { color: #435b77; font-size: 14px; font-weight: 700; overflow-wrap: anywhere; }
.support-copy button { min-height: 32px; border: 1px solid #bad5f2; border-radius: 9px; padding: 6px 10px; background: #fff; color: var(--blue); cursor: pointer; font: inherit; font-size: 11px; font-weight: 700; }
.support-copy button:hover { background: var(--blue-soft); }
.copy-status { min-height: 18px; margin: 6px 0 0; color: #71849a; font-size: 11px; text-align: right; }
.payment-info { display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: start; gap: 10px; margin-top: 20px; border-radius: 13px; padding: 13px 14px; background: #f0f7ff; color: #526b87; }
.payment-info > span { display: grid; width: 20px; height: 20px; place-items: center; border: 1px solid #9bc5f1; border-radius: 50%; color: var(--blue); font-size: 12px; font-weight: 800; }
.payment-info p { margin: 0; font-size: 12px; line-height: 1.55; }

.error-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 72% 22%, rgba(132, 211, 255, 0.28), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, #fff 100%);
}
.error-shell {
  display: flex;
  width: min(620px, calc(100% - 40px));
  min-height: 100vh;
  margin-inline: auto;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
}
.error-code { margin: 52px 0 8px; color: var(--blue); font-size: 18px; font-weight: 850; letter-spacing: .15em; }
.error-shell h1 { margin: 0 0 18px; font-size: clamp(42px, 8vw, 64px); }
.error-shell > p:not(.error-code) { max-width: 520px; margin-bottom: 28px; color: var(--muted); font-size: 18px; }
.error-actions { display: flex; align-items: center; gap: 26px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr 0.82fr; gap: 24px; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .china-network-layout { grid-template-columns: 1fr; gap: 42px; }
  .china-network-copy { max-width: 680px; }
  .china-network-map { width: min(100%, 650px); margin-inline: auto; }
  .steps-inner { grid-template-columns: 1fr 1.15fr; gap: 48px; }
  .pricing-grid { gap: 16px; }
  .price-card { min-height: 500px; padding: 22px 19px 19px; }
  .plan-title h3 { font-size: 21px; }
  .price strong { font-size: 34px; }
  .plan-map-wrap { height: 150px; min-height: 150px; }
  .cip-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(330px, .8fr); gap: 34px; }
  .cip-hero-copy h1 { font-size: clamp(43px, 6vw, 56px); }
  .cip-use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cip-order .container { grid-template-columns: minmax(0, .8fr) minmax(380px, 1.2fr); gap: 40px; }
  nav a:not(.nav-cta):not(.nav-product) { display: none; }
	.product-benefit-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .container { width: min(100% - 28px, 560px); }
  .header-inner { width: min(100% - 16px, 560px); min-height: 66px; }
  .header-inner .brand, nav a { white-space: nowrap; }
  nav { gap: 0; }
  nav .nav-product { margin-right: 12px; }
  nav .nav-cta { padding: 8px 13px; font-size: 12px; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 55px 64px; }
  h1 { margin-top: 20px; font-size: clamp(42px, 13vw, 58px); }
  .hero-lead { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-actions .button { width: 100%; }
  .hero-notes { align-items: flex-start; flex-direction: column; gap: 8px; }
  .hero-visual { min-height: 420px; margin-top: 12px; }
  .pill-fast { left: 0; }
  .pill-devices { right: 0; bottom: 20%; }
  .pill-china { top: 2%; right: 2%; }
  .pill-premium { bottom: 4%; left: 1%; }
  .pill-traffic { top: 40%; right: -1%; }
  .section { padding-block: 72px; }
  .section-heading { margin-bottom: 34px; }
  .benefit-grid, .pricing-grid, .steps-inner { grid-template-columns: 1fr; }
  .benefit-card { min-height: 0; }
  .china-networks { padding-block: 58px; }
  .china-network-layout { gap: 38px; }
  .china-network-badge { margin-bottom: 20px; }
  .china-network-copy h2 { margin-bottom: 18px; font-size: clamp(38px, 11vw, 50px); }
  .china-network-text { font-size: 14px; line-height: 1.68; }
  .china-network-facts { grid-template-columns: 1fr; margin-top: 26px; }
  .china-network-facts > div { min-height: 72px; }
  .china-network-map { height: 560px; }
  .china-network-map::before { width: 230px; height: 230px; }
  .china-network-map::after { width: 180px; height: 180px; }
  .network-lines-desktop { display: none; }
  .network-lines-mobile { display: block; }
  .network-skyline { bottom: 126px; height: 190px; }
  .network-operators { top: 7px; right: 0; left: 0; gap: 6px; }
  .operator-card { min-height: 106px; border-radius: 16px; padding: 10px 3px 8px; }
  .operator-logo { width: 39px; height: 39px; margin-bottom: 4px; }
  .operator-card strong { font-size: 10px; }
  .operator-card small { font-size: 8px; }
  .network-shield { top: 46%; width: 132px; height: 150px; }
  .network-shield span { width: 67px; height: 67px; }
  .network-devices { right: 12px; bottom: 6px; left: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .device-card { min-height: 72px; border-radius: 16px; padding: 7px 5px; }
  .device-card svg { width: 27px; height: 27px; }
  .pricing-grid { gap: 25px; }
  .price-card { min-height: 0; padding: 25px 20px 20px; }
  .price-card-featured { transform: none; }
  .popular-label { right: 16px; }
  .plans.section { padding-block: 56px; }
  .plans .section-heading { margin-bottom: 28px; }
  .plan-map-wrap { height: 158px; min-height: 158px; margin-bottom: 14px; }
  .map-location text { font-size: 22px; stroke-width: 5px; }
  .map-location-small text { font-size: 18px; }
	.china-ip-promo { grid-template-columns: 1fr; justify-items: start; gap: 14px; }
	.china-ip-promo .button { width: 100%; }
  .steps { padding-block: 60px; }
  .steps-inner { gap: 34px; }
  .faq summary { min-height: 62px; gap: 13px; padding: 15px 14px 15px 17px; font-size: 14px; }
  .faq details p { padding: 0 17px 17px; font-size: 13px; }
  .footer-inner { padding-block: 28px 18px; }
  .footer-columns { grid-template-columns: 1fr; gap: 24px; }
  .footer-links { gap: 9px; }
  .footer-bottom { margin-top: 22px; padding-top: 14px; }
  .dialog-shell { padding: 31px 24px 25px; }
  .order-summary { gap: 8px; padding: 14px 12px; }
  .order-summary span + span { padding-left: 9px; }
  .order-summary strong { font-size: 12px; }
  .error-actions { align-items: flex-start; flex-direction: column; gap: 19px; }
	.product-hero-inner, .product-order-inner { grid-template-columns: 1fr; gap: 34px; }
	.china-ip-hero { padding-block: 56px 62px; }
	.product-hero-inner h1 { font-size: clamp(40px, 12vw, 54px); }
	.product-benefit-grid, .product-steps ol { grid-template-columns: 1fr; }
	.product-benefit-grid > div { min-height: 82px; }
	.product-steps { padding-block: 60px; }
	.product-order { padding-block: 62px; }
	.product-order-card { padding: 23px; }
	.payment-shell { padding-block: 28px 48px; }
	.payment-card { border-radius: 21px; padding: 27px 22px; }
	.payment-summary { grid-template-columns: 1fr; }
	.alipay-qr img, .qr-placeholder { width: min(240px, 100%); height: auto; aspect-ratio: 1; }
  .cip-hero { padding-block: 50px 58px; }
  .cip-hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 28px; }
  .cip-hero-copy h1 { margin-top: 12px; font-size: clamp(39px, 12vw, 50px); }
  .cip-hero-subtitle { font-size: 17px; }
  .cip-hero-description { font-size: 15px; }
  .cip-hero-cta { width: 100%; }
  .cip-map { width: min(100%, 470px); min-height: 290px; margin-inline: auto; }
  .cip-map-shape { top: 0; height: 280px; }
  .cip-flag { top: 112px; left: 37%; }
  .cip-map-pin { top: 134px; right: 26%; }
  .cip-map figcaption { right: 4%; bottom: 4px; min-width: 164px; }
  .cip-section { padding-block: 56px; }
  .cip-section-heading { margin-bottom: 24px; }
  .cip-section-heading h2 { font-size: clamp(28px, 8.5vw, 36px); }
  .cip-use-grid, .cip-more-grid, .cip-included-grid { grid-template-columns: 1fr; }
  .cip-feature-card, .cip-more-grid .cip-feature-card { min-height: 0; padding: 20px; }
  .cip-feature-card svg { margin-bottom: 13px; }
  .cip-more-uses { padding-top: 0; }
  .cip-speed { padding-block: 0 54px; }
  .cip-speed-panel { min-height: 0; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; padding: 21px 18px; }
  .cip-speed-gauge { width: 90px; }
  .cip-speed-copy h2 { font-size: 23px; }
  .cip-speed-copy h2 strong { white-space: normal; }
  .cip-included { padding-top: 0; }
  .cip-notice { grid-template-columns: 34px minmax(0, 1fr); gap: 12px; padding: 16px; }
  .cip-notice > span { width: 30px; height: 30px; }
  .cip-order { padding-block: 58px; }
  .cip-order .container { grid-template-columns: 1fr; gap: 28px; }
  .cip-order-heading { padding-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}

.payment-method-option.is-disabled {
  opacity: .55;
  cursor: not-allowed;
}

.payment-method-option.is-disabled input {
  cursor: not-allowed;
}

.payment-method-option small {
  margin-left: 6px;
  color: #8a98aa;
  font-size: 11px;
  font-weight: 600;
}