:root {
  --bg:#f8fbff;
  --surface:rgba(255,255,255,.76);
  --surface-solid:#ffffff;
  --ink:#14161f;
  --muted:#687083;
  --soft:#eef4ff;
  --line:rgba(24,32,56,.1);
  --blue:#2563ff;
  --cyan:#18c8ff;
  --orange:#ff8a3d;
  --green:#14b86f;
  --shadow:0 24px 80px rgba(34,72,150,.14);
  --shadow-soft:0 16px 46px rgba(29,46,84,.1);
  --radius:30px;
}

* { box-sizing:border-box; }

html {
  scroll-behavior:smooth;
  scroll-padding-top:calc(76px + env(safe-area-inset-top));
}

body {
  margin:0;
  min-height:100vh;
  overflow-x:hidden;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(37,99,255,.18), transparent 31vw),
    radial-gradient(circle at 88% 18%, rgba(255,138,61,.18), transparent 29vw),
    linear-gradient(180deg,#fbfdff 0%,#f2f7ff 42%,#fff 100%);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body::before {
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-3;
  opacity:.55;
  background-image:
    linear-gradient(rgba(20,22,31,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,22,31,.04) 1px, transparent 1px);
  background-size:38px 38px;
  mask-image:linear-gradient(to bottom, #000, transparent 72%);
}

a {
  color:inherit;
  text-decoration:none;
  -webkit-tap-highlight-color:transparent;
}

.shell {
  width:min(1140px, calc(100% - 48px));
  margin-inline:auto;
}

.page-orb {
  position:fixed;
  z-index:-2;
  width:420px;
  height:420px;
  border-radius:999px;
  filter:blur(40px);
  opacity:.34;
  pointer-events:none;
}

.orb-blue {
  top:92px;
  left:-150px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
}

.orb-orange {
  right:-130px;
  top:360px;
  background:linear-gradient(135deg,#ffd166,var(--orange));
}

.site-header {
  position:sticky;
  top:0;
  z-index:20;
  padding-top:env(safe-area-inset-top);
  border-bottom:1px solid rgba(255,255,255,.54);
  background:rgba(248,251,255,.7);
  backdrop-filter:saturate(180%) blur(24px);
  -webkit-backdrop-filter:saturate(180%) blur(24px);
}

.nav {
  min-height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:850;
  letter-spacing:-.03em;
}

.brand-mark {
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:13px;
  color:#fff;
  background:linear-gradient(135deg,#121521,#2e67ff 58%,#20d6ff);
  font-size:15px;
  box-shadow:0 12px 28px rgba(37,99,255,.25);
}

.nav-links {
  padding:7px;
  display:flex;
  gap:4px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  box-shadow:0 10px 28px rgba(32,52,94,.08);
}

.nav-links a {
  min-height:34px;
  padding:0 15px;
  display:flex;
  align-items:center;
  border-radius:999px;
  color:#4d5668;
  font-size:13px;
  font-weight:700;
  transition:.22s ease;
}

.nav-links a:hover {
  color:var(--blue);
  background:#fff;
}

.hero {
  position:relative;
  min-height:710px;
  padding:104px 0 86px;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);
  align-items:center;
  gap:66px;
}

.eyebrow {
  margin:0 0 18px;
  color:var(--blue);
  font-size:12px;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
}

.hero h1 {
  max-width:820px;
  margin:0;
  font-size:clamp(52px,7.1vw,94px);
  line-height:.98;
  letter-spacing:-.085em;
}

.hero h1 span {
  color:transparent;
  background:linear-gradient(100deg,#1b1e29 0%,#2563ff 42%,#18c8ff 72%,#ff8a3d 100%);
  -webkit-background-clip:text;
  background-clip:text;
}

.hero-intro {
  max-width:650px;
  margin:30px 0 0;
  color:#556074;
  font-size:20px;
  line-height:1.85;
  letter-spacing:-.01em;
}

.brand-slogan {
  width:fit-content;
  max-width:100%;
  margin-top:26px;
  padding:17px 19px;
  border:1px solid rgba(37,99,255,.14);
  border-radius:22px;
  background:linear-gradient(135deg,rgba(255,255,255,.86),rgba(232,241,255,.72));
  box-shadow:var(--shadow-soft);
}

.brand-slogan strong {
  display:block;
  color:#16223a;
  font-size:18px;
  letter-spacing:-.025em;
}

.brand-slogan span {
  display:block;
  margin-top:8px;
  color:#69758b;
  font-size:12px;
  letter-spacing:.04em;
}

.hero-actions {
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:13px;
}

.button {
  min-height:54px;
  padding:0 24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  font-size:15px;
  font-weight:850;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.button:hover {
  transform:translateY(-3px);
}

.primary {
  color:#fff;
  background:linear-gradient(135deg,#1b4dff,#22c7ff);
  box-shadow:0 18px 36px rgba(37,99,255,.28);
}

.secondary {
  border:1px solid rgba(24,32,56,.08);
  background:rgba(255,255,255,.78);
  box-shadow:0 12px 30px rgba(32,52,94,.09);
}

.social-actions {
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.social-button {
  min-height:48px;
  padding:7px 16px 7px 8px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  box-shadow:0 12px 30px rgba(32,52,94,.08);
  font-size:14px;
  font-weight:900;
  transition:transform .22s ease, box-shadow .22s ease;
}

.social-button:hover {
  transform:translateY(-3px);
  box-shadow:0 18px 36px rgba(32,52,94,.12);
}

.social-logo {
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:999px;
  color:#fff;
  font-size:15px;
  font-weight:950;
  letter-spacing:-.04em;
}

.douyin .social-logo {
  background:
    linear-gradient(135deg,rgba(0,245,255,.92),rgba(255,0,80,.9)),
    #111;
  box-shadow:0 0 16px rgba(255,0,80,.22), -5px 0 14px rgba(0,245,255,.2);
}

.bilibili .social-logo {
  background:#00aeec;
  box-shadow:0 0 16px rgba(0,174,236,.25);
}

.douyin strong {
  color:#151823;
}

.bilibili strong {
  color:#0b7daa;
}

.trust-row {
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.trust-row span {
  padding:9px 13px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:999px;
  color:#505b70;
  background:rgba(255,255,255,.62);
  font-size:12px;
  font-weight:800;
}

.hero-card {
  position:relative;
  padding:17px;
  border:1px solid rgba(255,255,255,.72);
  border-radius:38px;
  background:linear-gradient(145deg,rgba(255,255,255,.9),rgba(238,246,255,.66));
  box-shadow:var(--shadow);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
}

.hero-card::before {
  content:"";
  position:absolute;
  inset:auto 26px -22px 26px;
  height:44px;
  z-index:-1;
  border-radius:999px;
  background:rgba(37,99,255,.18);
  filter:blur(20px);
}

.portrait-wrap {
  position:relative;
}

.portrait {
  aspect-ratio:1;
  overflow:hidden;
  border-radius:28px;
  background:#dde8ff;
}

.portrait img {
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.status-dot {
  position:absolute;
  left:16px;
  bottom:16px;
  padding:9px 12px;
  border:1px solid rgba(255,255,255,.72);
  border-radius:999px;
  color:#123522;
  background:rgba(235,255,244,.88);
  box-shadow:0 10px 24px rgba(20,184,111,.18);
  font-size:12px;
  font-weight:900;
}

.hero-card-body {
  padding:22px 8px 12px;
}

.hero-card strong {
  display:block;
  font-size:25px;
  letter-spacing:-.04em;
}

.hero-card span {
  display:block;
  margin-top:7px;
  color:var(--muted);
  font-size:13px;
  font-weight:700;
}

.hero-card p {
  margin:18px 0 0;
  color:#5f6879;
  font-size:14px;
  line-height:1.75;
}

.mini-stats {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  padding:0 8px 8px;
}

.mini-stats span {
  min-height:70px;
  padding:14px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  border:1px solid rgba(24,32,56,.08);
  border-radius:20px;
  color:#667085;
  background:rgba(255,255,255,.68);
  font-size:12px;
  font-weight:800;
}

.mini-stats b {
  color:#151823;
  font-size:25px;
  line-height:1;
}

.section {
  padding:106px 0;
  scroll-margin-top:78px;
}

.section-heading {
  max-width:760px;
  margin-bottom:46px;
}

.section-heading h2 {
  margin:0;
  font-size:clamp(38px,5.4vw,66px);
  line-height:1.05;
  letter-spacing:-.07em;
}

.section-heading>p:last-child:not(.eyebrow) {
  max-width:690px;
  margin:20px 0 0;
  color:var(--muted);
  font-size:17px;
  line-height:1.8;
}

.about-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.about-item {
  position:relative;
  min-height:294px;
  overflow:hidden;
  padding:30px;
  border:1px solid rgba(255,255,255,.78);
  border-radius:var(--radius);
  background:rgba(255,255,255,.76);
  box-shadow:var(--shadow-soft);
}

.about-item::after {
  content:"";
  position:absolute;
  right:-46px;
  bottom:-58px;
  width:160px;
  height:160px;
  border-radius:999px;
  background:rgba(37,99,255,.09);
}

.about-item>span {
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:15px;
  color:#fff;
  background:#121521;
  font-size:12px;
  font-weight:900;
}

.about-item h3 {
  position:relative;
  margin:70px 0 14px;
  font-size:26px;
  letter-spacing:-.045em;
}

.about-item p {
  position:relative;
  margin:0;
  color:var(--muted);
  line-height:1.78;
}

.feature-card {
  color:#fff;
  background:linear-gradient(140deg,#1c48f5,#16c5ff);
}

.feature-card::after {
  background:rgba(255,255,255,.17);
}

.feature-card>span {
  color:#1743ee;
  background:#fff;
}

.feature-card p {
  color:rgba(255,255,255,.82);
}

.plan-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:1fr;
  gap:4px;
  align-items:stretch;
}

.plan-card {
  --brand-main:#2563ff;
  --brand-mid:#18c8ff;
  --brand-deep:#101522;
  --brand-soft:rgba(37,99,255,.1);
  --brand-glow:rgba(37,99,255,.16);
  --brand-border:rgba(37,99,255,.18);
  --brand-shadow:rgba(37,99,255,.22);
  position:relative;
  overflow:hidden;
  min-height:420px;
  height:100%;
  padding:14px;
  display:flex;
  flex-direction:column;
  border:1px solid var(--brand-border);
  border-radius:var(--radius);
  color:#fff;
  background:
    radial-gradient(circle at 90% 4%, rgba(255,255,255,.22), transparent 34%),
    linear-gradient(145deg,var(--brand-deep),var(--brand-main) 58%,var(--brand-mid));
  box-shadow:0 14px 34px var(--brand-shadow);
}

.plan-card.mobile {
  --brand-main:#007bc7;
  --brand-mid:#00a651;
  --brand-deep:#06365a;
  --brand-soft:rgba(0,166,81,.12);
  --brand-glow:rgba(0,166,81,.18);
  --brand-border:rgba(0,123,199,.2);
  --brand-shadow:rgba(0,166,81,.22);
}

.plan-card.unicom {
  --brand-main:#e60012;
  --brand-mid:#ff7a45;
  --brand-deep:#5c0710;
  --brand-soft:rgba(230,0,18,.12);
  --brand-glow:rgba(230,0,18,.18);
  --brand-border:rgba(230,0,18,.2);
  --brand-shadow:rgba(230,0,18,.22);
}

.plan-card.telecom {
  --brand-main:#005bac;
  --brand-mid:#00a3e0;
  --brand-deep:#062b54;
  --brand-soft:rgba(0,91,172,.12);
  --brand-glow:rgba(0,91,172,.18);
  --brand-border:rgba(0,91,172,.2);
  --brand-shadow:rgba(0,91,172,.22);
}

.plan-card::after {
  content:"";
  position:absolute;
  right:-70px;
  top:-70px;
  width:180px;
  height:180px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
}

.plan-card.recommended {
  background:
    radial-gradient(circle at 90% 4%, rgba(255,255,255,.28), transparent 34%),
    linear-gradient(145deg,var(--brand-deep),var(--brand-main) 58%,var(--brand-mid));
  box-shadow:0 18px 42px var(--brand-shadow);
}

.plan-card.recommended::after {
  background:rgba(255,255,255,.18);
}

.plan-card>* {
  position:relative;
  z-index:1;
}

.plan-topline {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.carrier-wrap {
  display:inline-flex;
  align-items:center;
  gap:7px;
}

.carrier,
.recommend-badge,
.badge-5g {
  min-height:24px;
  padding:0 8px;
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  font-size:10px;
  font-weight:900;
}

.carrier {
  color:var(--brand-main);
  background:var(--brand-soft);
}

.carrier.unicom { color:#e60012; background:rgba(230,0,18,.11); }
.carrier.telecom { color:#005bac; background:rgba(0,91,172,.12); }
.carrier.mobile { color:#007bc7; background:rgba(0,166,81,.12); }

.badge-5g {
  color:var(--brand-main);
  background:#fff;
  box-shadow:0 0 18px rgba(255,255,255,.28);
  letter-spacing:.02em;
}

.recommend-badge {
  color:#fff;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.24);
}

.cyber-wifi {
  position:relative;
  float:right;
  top:auto;
  right:auto;
  margin:2px 0 4px 8px;
  width:72px;
  height:98px;
  z-index:1;
  pointer-events:none;
  perspective:460px;
  transform:scale(.78) rotate(2deg) rotateX(3deg) rotateY(-12deg);
  transform-style:preserve-3d;
  filter:drop-shadow(13px 18px 20px rgba(5,10,25,.34));
}

.device-glow {
  position:absolute;
  inset:4px 2px 0 10px;
  border-radius:28px;
  background:linear-gradient(135deg,var(--brand-main),var(--brand-mid));
  filter:blur(14px);
  opacity:.42;
  transform:translateZ(-12px);
}

.device-shell {
  position:absolute;
  inset:0;
  overflow:hidden;
  border-radius:27px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.2),transparent 12%,transparent 84%,rgba(255,255,255,.08)),
    linear-gradient(145deg,#393b40 0%,#17191e 16%,#05070b 42%,#15171d 100%);
  box-shadow:
    inset 5px 0 7px rgba(255,255,255,.1),
    inset -7px 0 10px rgba(0,0,0,.7),
    inset 0 0 0 3px rgba(255,255,255,.06),
    inset 0 0 0 7px rgba(0,0,0,.62),
    inset 0 -26px 42px rgba(255,255,255,.04),
    0 0 0 1px rgba(255,255,255,.08),
    12px 10px 0 rgba(0,0,0,.18);
  transform:translateZ(8px);
}

.device-shell::before {
  content:"";
  position:absolute;
  inset:10px 9px 9px 8px;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.12);
  background:
    linear-gradient(115deg,rgba(255,255,255,.12),transparent 18%,transparent 62%,rgba(255,255,255,.04)),
    radial-gradient(circle at 70% 72%,rgba(255,255,255,.1),transparent 26%),
    linear-gradient(160deg,#050505,#101217 58%,#050506);
  box-shadow:
    inset 2px 2px 4px rgba(255,255,255,.08),
    inset -4px -5px 8px rgba(0,0,0,.7);
}

.device-shell::after {
  content:"";
  position:absolute;
  left:15px;
  right:17px;
  top:12px;
  height:74px;
  border-radius:18px 18px 9px 9px;
  background:linear-gradient(125deg,rgba(255,255,255,.16),rgba(255,255,255,.02) 30%,transparent 55%);
  opacity:.55;
}

.device-screen {
  position:absolute;
  left:50%;
  top:17px;
  width:50px;
  min-height:49px;
  padding:4px;
  display:block;
  border:1px solid rgba(255,255,255,.08);
  border-radius:5px;
  background:
    linear-gradient(145deg,rgba(7,10,18,.96),rgba(25,27,35,.96)),
    radial-gradient(circle at 80% 20%,var(--brand-glow),transparent 26%);
  box-shadow:
    0 0 16px var(--brand-shadow),
    inset 0 0 18px rgba(255,255,255,.03);
  transform:translateX(-50%);
  z-index:2;
}

.device-screen::after {
  content:"";
  position:absolute;
  inset:0;
  border-radius:5px;
  background:linear-gradient(125deg,rgba(255,255,255,.2),transparent 26%,transparent 62%,rgba(255,255,255,.06));
  pointer-events:none;
}

.screen-top {
  display:flex;
  align-items:center;
  gap:3px;
  color:#fff;
  font-size:4px;
  font-weight:900;
  line-height:1;
}

.screen-top i {
  width:10px;
  height:6px;
  display:inline-block;
  background:linear-gradient(90deg,#fff 2px,transparent 0 4px,#fff 0 6px,transparent 0 8px,#fff 0 10px,transparent 0);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}

.screen-top b {
  font-size:4px;
}

.screen-top em {
  margin-left:auto;
  padding:1px 2px;
  border-radius:3px;
  color:#101217;
  background:#fff;
  font-size:3px;
  font-style:normal;
}

.screen-grid {
  margin-top:6px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:5px;
  align-items:center;
}

.esim-chip {
  height:20px;
  padding:10px 3px 2px;
  display:flex;
  align-items:flex-end;
  border-radius:7px;
  color:#fff;
  background:linear-gradient(135deg,var(--brand-main),var(--brand-mid));
  font-size:5px;
  font-weight:900;
  box-shadow:0 0 12px var(--brand-shadow);
}

.data-orb {
  width:21px;
  height:21px;
  display:grid;
  place-items:center;
  border:1px solid var(--brand-main);
  border-radius:999px;
  color:#fff;
  background:rgba(37,99,255,.12);
  box-shadow:0 0 12px var(--brand-shadow);
  font-size:10px;
  font-weight:950;
}

.usage-panel {
  margin-top:6px;
  min-height:15px;
  padding:3px 4px;
  display:flex;
  align-items:center;
  gap:4px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:7px;
  color:#fff;
  background:rgba(255,255,255,.04);
}

.usage-panel i {
  width:11px;
  height:11px;
  border:2px solid rgba(255,255,255,.14);
  border-top-color:var(--brand-mid);
  border-right-color:var(--brand-main);
  border-radius:999px;
  box-shadow:0 0 9px var(--brand-shadow);
}

.usage-panel b {
  max-width:28px;
  overflow:hidden;
  font-size:5px;
  line-height:1.1;
  white-space:nowrap;
  text-overflow:ellipsis;
}

.device-logo {
  position:absolute;
  left:0;
  right:0;
  bottom:13px;
  color:#fff;
  font-size:9px;
  font-weight:950;
  letter-spacing:.16em;
  text-align:center;
  text-shadow:
    0 0 8px var(--brand-shadow),
    2px 0 0 rgba(255,60,247,.34),
    -2px 0 0 rgba(24,200,255,.32);
  z-index:2;
}

.device-product {
  position:absolute;
  left:0;
  right:0;
  bottom:29px;
  color:var(--brand-mid);
  font-size:8px;
  font-weight:950;
  letter-spacing:.12em;
  text-align:center;
  text-transform:uppercase;
  text-shadow:0 0 8px var(--brand-shadow);
  z-index:2;
}

.recommended .cyber-wifi {
  filter:drop-shadow(0 18px 30px rgba(255,255,255,.2));
}

.recommended .device-glow {
  background:#fff;
  opacity:.3;
}

.recommended .device-shell {
  box-shadow:
    inset 0 0 0 4px rgba(255,255,255,.08),
    inset 0 0 0 8px rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.14),
    0 0 24px rgba(255,255,255,.18),
    12px 10px 0 rgba(0,0,0,.16);
}

.plan-card h3 {
  margin:10px 0 5px;
  padding-right:0;
  min-height:0;
  font-size:20px;
  line-height:1.08;
  letter-spacing:-.055em;
}

.plan-tagline {
  min-height:0;
  padding-right:0;
  margin:0;
  color:rgba(255,255,255,.78);
  font-size:12px;
  line-height:1.35;
}

.plan-specs {
  clear:both;
  margin-top:8px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:4px;
}

.plan-specs span {
  min-width:0;
  padding:4px 4px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:10px;
  background:rgba(255,255,255,.14);
  text-align:center;
}

.plan-specs strong,
.plan-specs small {
  display:block;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.plan-specs strong {
  font-size:10px;
  letter-spacing:-.03em;
}

.plan-specs small {
  margin-top:1px;
  color:rgba(255,255,255,.72);
  font-size:8px;
  font-weight:800;
}

.plan-tiers {
  margin-top:6px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:4px;
}

.plan-tiers span {
  min-height:30px;
  padding:4px 6px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  border:1px solid rgba(255,255,255,.2);
  border-radius:10px;
  background:rgba(255,255,255,.14);
}

.plan-tiers span:last-child:nth-child(odd) {
  grid-column:1 / -1;
}

.plan-tiers b,
.plan-tiers small {
  display:block;
}

.plan-tiers b {
  color:#fff;
  font-size:11px;
  line-height:1.1;
}

.plan-tiers small {
  margin-top:2px;
  color:#fff;
  font-size:9px;
  font-weight:850;
}

.plan-tags {
  min-height:22px;
  margin-top:6px;
  display:flex;
  flex-wrap:wrap;
  gap:4px;
}

.plan-tags em {
  padding:4px 6px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  color:#fff;
  background:rgba(255,255,255,.16);
  font-size:9px;
  font-style:normal;
  font-weight:850;
}

.plan-tags em::before {
  content:"";
  width:14px;
  height:11px;
  flex:0 0 auto;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 38'%3E%3Cg fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='4'%3E%3Cpath d='M11 8c7-6 19-6 26 0'/%3E%3Cpath d='M17 15c4-3 10-3 14 0'/%3E%3Crect x='8' y='19' width='32' height='15' rx='5'/%3E%3Cpath d='M16 27h10'/%3E%3Ccircle cx='33' cy='27' r='1.5' fill='%23ffffff' stroke='none'/%3E%3C/g%3E%3C/svg%3E");
  filter:drop-shadow(0 0 5px rgba(255,255,255,.26));
}

.area-warning {
  margin:6px 0 0;
  padding:5px 7px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:13px;
  color:#fff;
  background:rgba(255,255,255,.14);
  font-size:9px;
  font-weight:900;
  line-height:1.3;
}

.plan-note {
  margin:6px 0 8px;
  color:rgba(255,255,255,.76);
  display:-webkit-box;
  overflow:hidden;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  font-size:10px;
  line-height:1.35;
}

.plan-consult {
  margin-top:auto;
  min-height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  color:var(--brand-main);
  background:#fff;
  font-size:12px;
  font-weight:900;
}

.empty-plan {
  grid-column:1 / -1;
  margin:0;
  padding:28px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:24px;
  color:var(--muted);
  background:rgba(255,255,255,.72);
}

.mini-program-entry {
  position:relative;
  overflow:hidden;
  margin-top:22px;
  padding:clamp(24px,4.5vw,54px);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(188px,240px);
  gap:clamp(22px,4vw,46px);
  align-items:center;
  border:1px solid rgba(24,32,56,.08);
  border-radius:38px;
  background:
    radial-gradient(circle at 86% 14%, rgba(0,208,122,.18), transparent 26%),
    radial-gradient(circle at 12% 0%, rgba(24,200,255,.16), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,.92), rgba(247,251,255,.78));
  box-shadow:0 24px 70px rgba(31,52,91,.1);
}

.mini-program-entry::before {
  content:"";
  position:absolute;
  inset:12px;
  border:1px solid rgba(24,32,56,.06);
  border-radius:28px;
  pointer-events:none;
}

.mini-program-entry::after {
  content:"";
  position:absolute;
  right:-70px;
  bottom:-86px;
  width:240px;
  height:240px;
  border-radius:999px;
  background:linear-gradient(135deg, rgba(0,208,122,.18), rgba(24,200,255,.16));
  filter:blur(2px);
  pointer-events:none;
}

.mini-program-copy,
.mini-program-qr {
  position:relative;
  z-index:1;
}

.mini-program-copy h3 {
  margin:8px 0 12px;
  font-size:clamp(32px,5vw,58px);
  line-height:1.02;
  letter-spacing:-.07em;
}

.mini-program-copy p:not(.eyebrow) {
  max-width:620px;
  margin:0;
  color:var(--muted);
  font-size:17px;
  line-height:1.85;
}

.mini-program-tags {
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.mini-program-tags span {
  min-height:34px;
  padding:0 13px;
  display:inline-flex;
  align-items:center;
  border:1px solid rgba(24,32,56,.08);
  border-radius:999px;
  color:#101522;
  background:rgba(255,255,255,.72);
  font-size:13px;
  font-weight:900;
  box-shadow:0 10px 24px rgba(31,52,91,.07);
}

.mini-program-qr {
  width:min(240px,62vw);
  aspect-ratio:1;
  justify-self:end;
  padding:14px;
  display:grid;
  place-items:center;
  border:1px solid rgba(0,208,122,.22);
  border-radius:42px;
  background:#fff;
  box-shadow:
    0 22px 48px rgba(0,208,122,.16),
    0 0 0 10px rgba(255,255,255,.46);
  transition:transform .22s ease, box-shadow .22s ease;
}

.mini-program-qr:hover {
  transform:translateY(-4px) scale(1.02);
  box-shadow:
    0 28px 62px rgba(0,208,122,.2),
    0 0 0 10px rgba(255,255,255,.56);
}

.mini-program-qr img {
  width:100%;
  height:100%;
  display:block;
  object-fit:contain;
  border-radius:30px;
}

.contact-section {
  margin:20px 0;
  border-block:1px solid rgba(24,32,56,.06);
  background:
    linear-gradient(180deg,rgba(255,255,255,.72),rgba(245,250,255,.88)),
    radial-gradient(circle at 78% 10%, rgba(24,200,255,.14), transparent 30%);
}

.contact-grid {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:14px;
}

.contact-card {
  min-width:0;
  padding:12px 12px 18px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:26px;
  background:rgba(255,255,255,.74);
  box-shadow:0 12px 32px rgba(31,52,91,.08);
  text-align:center;
  transition:transform .22s ease, box-shadow .22s ease;
}

.contact-card:hover {
  transform:translateY(-4px);
  box-shadow:0 20px 44px rgba(31,52,91,.13);
}

.contact-card strong {
  display:block;
  margin-top:14px;
  font-size:15px;
  letter-spacing:-.02em;
}

.account {
  display:block;
  margin-top:5px;
  overflow:hidden;
  color:var(--muted);
  font-size:11px;
  font-weight:700;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.qr-image {
  aspect-ratio:1;
  display:grid;
  place-items:center;
  overflow:hidden;
  border-radius:19px;
  background:
    linear-gradient(#fff,#fff) padding-box,
    linear-gradient(135deg,rgba(37,99,255,.42),rgba(24,200,255,.16),rgba(255,138,61,.42)) border-box;
  border:1px solid transparent;
}

.qr-image img {
  width:100%;
  height:100%;
  display:block;
  object-fit:contain;
}

.qr-placeholder {
  width:100%;
  height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:9px;
  color:#9aa3b5;
  background:linear-gradient(135deg,#fff,#f4f8ff);
}

.qr-placeholder b {
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:16px;
  color:#fff;
  background:#242a38;
  font-size:19px;
}

.wechat .qr-placeholder b { background:#22a85a; }
.xianyu .qr-placeholder b { color:#111; background:#ffe548; }
.qq .qr-placeholder b { background:#168de2; }
.taobao .qr-placeholder b { background:#ff5000; }
.qr-placeholder small { font-size:10px; font-weight:800; }

.resource-panel {
  position:relative;
  overflow:hidden;
  padding:54px;
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  align-items:center;
  gap:52px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:40px;
  color:#fff;
  background:
    radial-gradient(circle at 12% 12%, rgba(24,200,255,.26), transparent 34%),
    radial-gradient(circle at 90% 16%, rgba(255,138,61,.24), transparent 30%),
    linear-gradient(145deg,#101522,#1b2440 58%,#101522);
  box-shadow:0 34px 90px rgba(17,29,58,.2);
}

.resource-panel::after {
  content:"";
  position:absolute;
  inset:18px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:30px;
  pointer-events:none;
}

.resource-copy,
.resource-list {
  position:relative;
  z-index:1;
}

.resource-copy h2 {
  margin:0;
  font-size:clamp(34px,4vw,50px);
  line-height:1.08;
  letter-spacing:-.06em;
}

.resource-copy>p:last-child {
  margin:20px 0 0;
  color:rgba(255,255,255,.68);
  line-height:1.78;
}

.resource-page-link {
  width:fit-content;
  margin-top:24px;
  min-height:46px;
  padding:0 18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  color:#101522;
  background:#fff;
  font-size:13px;
  font-weight:900;
  box-shadow:0 18px 38px rgba(0,0,0,.18);
}

.resource-panel .eyebrow {
  color:#70ddff;
}

.resource-list {
  display:grid;
  gap:12px;
  justify-items:center;
}

.resource-product-link {
  width:min(100%, 430px);
  padding:22px;
  display:grid;
  grid-template-columns:150px 1fr;
  align-items:center;
  gap:20px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:32px;
  background:rgba(255,255,255,.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12), 0 26px 60px rgba(0,0,0,.18);
  transition:transform .22s ease, background .22s ease, box-shadow .22s ease;
}

.resource-product-link:hover {
  background:rgba(255,255,255,.13);
  transform:translateY(-3px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16), 0 32px 72px rgba(0,0,0,.22);
}

.resource-photo {
  width:150px;
  height:150px;
  padding:8px;
  display:grid;
  place-items:center;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;
  background:linear-gradient(145deg,rgba(255,255,255,.22),rgba(255,255,255,.06));
  box-shadow:0 20px 44px rgba(0,0,0,.26), 0 0 0 10px rgba(255,255,255,.06);
}

.resource-photo img {
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  border-radius:999px;
}

.resource-info {
  min-width:0;
}

.resource-product-link strong,
.resource-product-link small,
.resource-product-link em {
  display:block;
}

.resource-product-link strong {
  font-size:22px;
  line-height:1.18;
  letter-spacing:-.04em;
}

.resource-product-link small {
  margin-top:6px;
  color:rgba(255,255,255,.67);
  font-size:12px;
  line-height:1.55;
}

.resource-product-link em {
  margin-top:7px;
  color:#73e1ff;
  font-size:11px;
  font-style:normal;
  font-weight:850;
}

.resource-product-link>b {
  grid-column:2;
  justify-self:start;
  padding:9px 14px;
  border-radius:999px;
  color:#101522;
  background:#fff;
  font-size:12px;
  white-space:nowrap;
}

.resource-product-link b i {
  margin-left:5px;
  font-style:normal;
}

.empty-state {
  color:rgba(255,255,255,.7);
}

footer {
  padding:46px 0 calc(46px + env(safe-area-inset-bottom));
  border-top:1px solid rgba(24,32,56,.07);
  background:rgba(255,255,255,.62);
}

.footer-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}

.footer-inner>div {
  color:var(--muted);
  font-size:12px;
  text-align:right;
}

.footer-record {
  max-width:760px;
  line-height:1.65;
}

.footer-record a {
  color:var(--blue);
  font-weight:850;
}

.footer-inner p {
  margin:5px 0;
}

.hero {
  min-height:560px;
  padding:72px 0 56px;
  gap:46px;
}

.hero h1 {
  font-size:clamp(46px,6.2vw,78px);
}

.hero-intro {
  max-width:590px;
  margin-top:22px;
  font-size:18px;
  line-height:1.68;
}

.brand-slogan {
  margin-top:18px;
  padding:14px 16px;
  border-radius:19px;
}

.brand-slogan strong {
  font-size:16px;
}

.hero-actions {
  margin-top:24px;
  gap:10px;
}

.button {
  min-height:48px;
  padding:0 20px;
}

.social-actions {
  margin-top:12px;
}

.social-button {
  min-height:42px;
  padding:6px 14px 6px 7px;
}

.social-logo {
  width:30px;
  height:30px;
}

.trust-row {
  margin-top:18px;
  gap:7px;
}

.trust-row span {
  padding:7px 10px;
}

.hero-card {
  padding:14px;
  border-radius:32px;
}

.portrait {
  border-radius:23px;
}

.hero-card-body {
  padding:16px 6px 8px;
}

.hero-card strong {
  font-size:22px;
}

.hero-card p {
  margin-top:12px;
  line-height:1.58;
}

.mini-stats span {
  min-height:58px;
  padding:12px;
}

.section {
  padding:64px 0;
}

.section-heading {
  margin-bottom:26px;
}

.section-heading h2 {
  font-size:clamp(34px,4.6vw,54px);
}

.section-heading>p:last-child:not(.eyebrow) {
  margin-top:14px;
  font-size:16px;
  line-height:1.65;
}

.mini-program-entry {
  margin-top:14px;
  padding:clamp(20px,3.4vw,36px);
  grid-template-columns:minmax(0,1fr) minmax(168px,210px);
  border-radius:30px;
}

.mini-program-entry::before {
  inset:9px;
  border-radius:23px;
}

.mini-program-copy h3 {
  font-size:clamp(30px,4.2vw,46px);
}

.mini-program-copy p:not(.eyebrow) {
  font-size:16px;
  line-height:1.65;
}

.mini-program-tags {
  margin-top:16px;
  gap:8px;
}

.mini-program-tags span {
  min-height:30px;
  padding:0 10px;
  font-size:12px;
}

.mini-program-qr {
  width:min(210px,58vw);
  padding:11px;
  border-radius:34px;
}

.contact-section {
  margin:10px 0;
}

.contact-grid {
  gap:10px;
}

.contact-card {
  padding:10px 10px 14px;
  border-radius:22px;
}

.contact-card strong {
  margin-top:10px;
}

.qr-image {
  border-radius:16px;
}

.resource-panel {
  padding:36px;
  gap:32px;
  border-radius:32px;
}

.resource-panel::after {
  inset:12px;
  border-radius:24px;
}

.resource-copy h2 {
  font-size:clamp(30px,3.6vw,42px);
}

.resource-copy>p:last-child {
  margin-top:14px;
  line-height:1.62;
}

.resource-page-link {
  margin-top:16px;
  min-height:40px;
}

.resource-product-link {
  width:min(100%, 390px);
  padding:16px;
  grid-template-columns:122px 1fr;
  gap:16px;
  border-radius:26px;
}

.resource-photo {
  width:122px;
  height:122px;
}

.resource-product-link strong {
  font-size:19px;
}

footer {
  padding:30px 0 calc(30px + env(safe-area-inset-bottom));
}

.footer-record {
  line-height:1.5;
}

.footer-inner p {
  margin:3px 0;
}

.reveal {
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity:1;
  transform:none;
}

@media (max-width:1100px) {
  .shell { width:min(100% - 40px, 960px); }
  .hero {
    min-height:560px;
    grid-template-columns:minmax(0,1fr) 330px;
    gap:34px;
  }
  .hero h1 { font-size:clamp(46px,6.6vw,66px); }
  .contact-grid { grid-template-columns:repeat(3,1fr); }
  .plan-grid { grid-template-columns:repeat(3,1fr); gap:4px; }
  .resource-panel {
    padding:34px;
    gap:28px;
  }
}

@media (max-width:860px) {
  .shell { width:min(100% - 36px, 760px); }
  .nav { min-height:58px; }
  .hero {
    min-height:auto;
    padding:54px 0 56px;
    grid-template-columns:1fr;
    gap:26px;
  }
  .hero-copy { max-width:720px; }
  .hero h1 {
    max-width:700px;
    font-size:clamp(42px,8vw,62px);
  }
  .hero-card {
    display:grid;
    grid-template-columns:190px 1fr;
    gap:10px 22px;
    align-items:center;
  }
  .portrait-wrap { grid-row:1 / span 2; }
  .mini-stats {
    grid-column:2;
    padding:0 8px 8px 0;
  }
  .section { padding:56px 0; }
  .about-grid {
    grid-template-columns:1fr;
  }
  .plan-grid {
    grid-template-columns:repeat(2,1fr);
    gap:4px;
  }
  .plan-card {
    min-height:420px;
  }
  .mini-program-entry {
    grid-template-columns:1fr;
    text-align:center;
  }
  .mini-program-copy p:not(.eyebrow) {
    margin-inline:auto;
  }
  .mini-program-tags {
    justify-content:center;
  }
  .mini-program-qr {
    justify-self:center;
  }
  .about-item {
    min-height:218px;
  }
  .about-item h3 {
    margin-top:48px;
  }
  .resource-panel {
    grid-template-columns:1fr;
  }
}

@media (max-width:640px) {
  .shell { width:min(100% - 28px, 600px); }
  .page-orb { width:300px; height:300px; }
  .nav { min-height:54px; }
  .brand span:last-child { max-width:82px; white-space:nowrap; }
  .nav-links {
    gap:2px;
    padding:4px;
  }
  .nav-links a {
    min-height:30px;
    padding:0 7px;
    font-size:10px;
  }
  .hero {
    padding:38px 0 44px;
    gap:22px;
  }
  .hero h1 {
    font-size:clamp(38px,11.5vw,48px);
    line-height:1.02;
  }
  .hero-intro {
    margin-top:16px;
    font-size:15px;
    line-height:1.62;
  }
  .brand-slogan {
    width:100%;
    padding:12px 14px;
  }
  .brand-slogan strong {
    font-size:15px;
    line-height:1.55;
  }
  .brand-slogan span {
    line-height:1.65;
  }
  .hero-actions {
    display:grid;
    margin-top:20px;
  }
  .social-actions {
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .social-button {
    justify-content:center;
    padding-right:10px;
  }
  .button {
    width:100%;
    min-height:46px;
  }
  .trust-row {
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .hero-card {
    display:block;
    padding:12px;
    border-radius:28px;
  }
  .portrait {
    border-radius:23px;
  }
  .hero-card-body {
    padding:20px 5px 12px;
  }
  .mini-stats {
    padding:0 5px 5px;
  }
  .section {
    padding:46px 0;
  }
  .section-heading {
    margin-bottom:20px;
  }
  .section-heading h2 {
    font-size:clamp(31px,9vw,39px);
  }
  .section-heading>p:last-child:not(.eyebrow) {
    font-size:14px;
    line-height:1.58;
  }
  .about-item {
    min-height:204px;
    padding:24px;
    border-radius:26px;
  }
  .about-item h3 {
    margin-top:36px;
    font-size:23px;
  }
  .plan-grid {
    grid-template-columns:1fr;
    gap:6px;
  }
  .plan-card {
    padding:16px;
    border-radius:26px;
    min-height:420px;
  }
  .mini-program-entry {
    margin-top:12px;
    padding:18px 14px 20px;
    border-radius:26px;
  }
  .mini-program-entry::before {
    inset:9px;
    border-radius:23px;
  }
  .mini-program-copy h3 {
    font-size:clamp(28px,8vw,36px);
  }
  .mini-program-copy p:not(.eyebrow) {
    font-size:15px;
    line-height:1.75;
  }
  .mini-program-tags {
    gap:8px;
  }
  .mini-program-tags span {
    min-height:32px;
    padding:0 10px;
    font-size:12px;
  }
  .mini-program-qr {
    width:min(204px,72vw);
    padding:10px;
    border-radius:32px;
  }
  .mini-program-qr img {
    border-radius:26px;
  }
  .cyber-wifi {
    position:relative;
    top:auto;
    right:auto;
    margin:8px auto 4px;
    width:78px;
    height:106px;
    transform:scale(.82) rotateX(3deg) rotateY(-8deg);
  }
  .plan-card h3 {
    margin-top:10px;
    padding-right:0;
    min-height:0;
    font-size:23px;
    text-align:center;
  }
  .plan-tagline {
    min-height:0;
    padding-right:0;
    text-align:center;
  }
  .contact-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
  }
  .contact-card {
    padding:8px 8px 12px;
    border-radius:20px;
  }
  .contact-card:last-child {
    grid-column:1 / -1;
    width:calc(50% - 5px);
    justify-self:center;
  }
  .qr-image {
    border-radius:16px;
  }
  .resource-panel {
    padding:22px 14px;
    border-radius:26px;
    gap:20px;
  }
  .resource-panel::after {
    inset:10px;
    border-radius:23px;
  }
  .resource-product-link {
    min-height:0;
    padding:12px;
    grid-template-columns:96px 1fr;
    gap:12px;
  }
  .resource-photo {
    width:96px;
    height:96px;
  }
  .resource-product-link>b {
    grid-column:2;
    color:#101522;
  }
  .footer-inner {
    display:block;
  }
  .footer-inner>div {
    margin-top:25px;
    text-align:left;
  }
  .footer-record {
    max-width:none;
  }
}

.flash-page {
  background:
    radial-gradient(circle at 15% 10%, rgba(37,99,255,.16), transparent 30vw),
    radial-gradient(circle at 90% 20%, rgba(20,184,111,.15), transparent 28vw),
    linear-gradient(180deg,#fbfdff 0%,#f4f8ff 46%,#fff 100%);
}

.flash-page .nav-links a[aria-current="page"] {
  color:var(--blue);
  background:#fff;
}

.flash-hero {
  min-height:520px;
  padding:92px 0 58px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  align-items:center;
  gap:54px;
}

.flash-hero h1 {
  margin:0;
  font-size:clamp(48px,6vw,78px);
  line-height:1.02;
  letter-spacing:-.075em;
}

.flash-hero-copy>p:last-of-type {
  max-width:720px;
  margin:24px 0 0;
  color:#596477;
  font-size:18px;
  line-height:1.8;
}

.flash-search {
  width:min(100%, 620px);
  margin-top:30px;
  padding:8px;
  display:grid;
  grid-template-columns:100px 1fr;
  align-items:center;
  gap:10px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:22px;
  background:rgba(255,255,255,.78);
  box-shadow:var(--shadow-soft);
}

.flash-search label {
  padding-left:12px;
  color:#495469;
  font-size:13px;
  font-weight:900;
}

.flash-search input {
  width:100%;
  min-width:0;
  min-height:46px;
  border:0;
  outline:0;
  border-radius:16px;
  padding:0 15px;
  color:var(--ink);
  background:#f2f6ff;
  font:inherit;
}

.flash-status-card {
  padding:28px;
  border:1px solid rgba(255,255,255,.74);
  border-radius:32px;
  background:linear-gradient(145deg,rgba(255,255,255,.9),rgba(236,246,255,.72));
  box-shadow:var(--shadow);
}

.flash-status-card span,
.flash-status-card p {
  color:var(--muted);
}

.flash-status-card span {
  display:block;
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
}

.flash-status-card strong {
  display:block;
  margin-top:16px;
  font-size:42px;
  letter-spacing:-.06em;
}

.flash-status-card p {
  margin:14px 0 0;
  line-height:1.75;
}

.flash-filter {
  position:sticky;
  top:76px;
  z-index:10;
}

.brand-tabs {
  padding:8px;
  display:flex;
  gap:8px;
  overflow:auto;
  border:1px solid rgba(24,32,56,.08);
  border-radius:24px;
  background:rgba(255,255,255,.78);
  box-shadow:0 14px 38px rgba(31,52,91,.08);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}

.brand-tab {
  flex:0 0 auto;
  min-height:44px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  border:0;
  border-radius:17px;
  color:#4f5b70;
  background:transparent;
  font:inherit;
  font-size:13px;
  font-weight:900;
  cursor:pointer;
}

.brand-tab b {
  min-width:24px;
  min-height:24px;
  display:grid;
  place-items:center;
  border-radius:999px;
  color:#fff;
  background:#202638;
  font-size:11px;
}

.brand-tab.active {
  color:#fff;
  background:linear-gradient(135deg,#1b4dff,#18c8ff);
  box-shadow:0 12px 26px rgba(37,99,255,.22);
}

.brand-tab.active b {
  color:#1b4dff;
  background:#fff;
}

.flash-library {
  padding-top:58px;
}

.brand-section + .brand-section {
  margin-top:78px;
}

.brand-heading {
  margin-bottom:24px;
  display:grid;
  grid-template-columns:.55fr 1fr;
  gap:30px;
  align-items:end;
}

.brand-heading h2 {
  margin:0;
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.04;
  letter-spacing:-.065em;
}

.brand-heading>p {
  margin:0;
  color:var(--muted);
  font-size:16px;
  line-height:1.8;
}

.device-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}

.device-card {
  min-width:0;
  padding:20px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:28px;
  background:rgba(255,255,255,.78);
  box-shadow:var(--shadow-soft);
}

.device-card-top {
  display:grid;
  grid-template-columns:104px 1fr;
  gap:18px;
  align-items:center;
}

.device-entry {
  position:relative;
  width:104px;
  height:126px;
  display:grid;
  place-items:center;
  border-radius:28px;
  background:linear-gradient(145deg,#161c2c,#26334e);
  box-shadow:0 18px 38px rgba(18,28,54,.22);
  transition:transform .22s ease, box-shadow .22s ease;
}

.device-entry.has-image {
  overflow:hidden;
  border:1px solid rgba(24,32,56,.08);
  background:linear-gradient(145deg,#ffffff,#eef4ff);
}

.device-entry:hover {
  transform:translateY(-3px);
  box-shadow:0 24px 48px rgba(18,28,54,.28);
}

.device-entry-glow {
  position:absolute;
  inset:14px;
  border-radius:24px;
  background:linear-gradient(135deg,#2563ff,#18c8ff);
  filter:blur(20px);
  opacity:.5;
}

.device-entry.has-image .device-entry-glow {
  inset:auto 14px 8px;
  height:34px;
  background:rgba(37,99,255,.18);
  opacity:.7;
}

.device-entry-image {
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  padding:7px;
  display:block;
  object-fit:contain;
}

.device-entry-body {
  position:relative;
  width:72px;
  height:96px;
  display:grid;
  place-items:center;
  border-radius:24px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.16),transparent 18%,transparent 82%,rgba(255,255,255,.08)),
    linear-gradient(145deg,#2b2f39,#080b11 58%,#1b1f29);
  box-shadow:inset 0 0 0 5px rgba(0,0,0,.44), inset 0 0 0 1px rgba(255,255,255,.1);
}

.device-entry-screen {
  width:50px;
  min-height:58px;
  padding:7px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  border-radius:12px;
  color:#fff;
  background:linear-gradient(155deg,#0c1220,#151b2b);
  box-shadow:0 0 20px rgba(24,200,255,.2);
}

.device-entry-screen b,
.device-entry-screen em {
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.device-entry-screen b {
  font-size:11px;
}

.device-entry-screen i {
  height:18px;
  border-radius:999px;
  background:linear-gradient(90deg,#22c7ff 0 36%,rgba(255,255,255,.12) 36%);
}

.device-entry-screen em {
  color:#90e8ff;
  font-size:9px;
  font-style:normal;
  font-weight:900;
}

.device-title {
  min-width:0;
}

.device-title span {
  color:var(--blue);
  font-size:12px;
  font-weight:900;
}

.device-title h3 {
  margin:8px 0 6px;
  font-size:26px;
  line-height:1.15;
  letter-spacing:-.045em;
}

.device-title p {
  margin:0;
  color:var(--muted);
  line-height:1.5;
}

.device-source {
  width:fit-content;
  margin-top:9px;
  padding:6px 9px;
  display:inline-flex;
  border-radius:999px;
  color:#1356d8;
  background:#eef4ff;
  font-size:11px;
  font-weight:900;
}

.device-tags {
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}

.device-tags em {
  padding:7px 10px;
  border-radius:999px;
  color:#41506a;
  background:#eef4ff;
  font-size:11px;
  font-style:normal;
  font-weight:850;
}

.device-info {
  margin:18px 0 0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
}

.device-info div {
  min-width:0;
  padding:12px;
  border:1px solid rgba(24,32,56,.07);
  border-radius:16px;
  background:rgba(248,251,255,.78);
}

.device-info dt {
  color:#7a8497;
  font-size:11px;
  font-weight:900;
}

.device-info dd {
  margin:6px 0 0;
  color:#1d2433;
  font-size:13px;
  font-weight:800;
  line-height:1.45;
}

.device-detail-grid {
  margin-top:14px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}

.device-table-grid {
  margin-top:14px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}

.device-table-section {
  min-width:0;
  overflow:hidden;
  border:1px solid rgba(24,32,56,.07);
  border-radius:18px;
  background:#fff;
}

.device-table-section h4 {
  margin:0;
  padding:14px 14px 10px;
  font-size:14px;
}

.device-table-section table {
  width:100%;
  border-collapse:collapse;
  table-layout:fixed;
}

.device-table-section tr + tr {
  border-top:1px solid rgba(24,32,56,.06);
}

.device-table-section th,
.device-table-section td {
  padding:10px 12px;
  vertical-align:top;
  font-size:12px;
  line-height:1.55;
}

.device-table-section th {
  width:112px;
  color:#48566e;
  background:#f5f8ff;
  font-weight:900;
  text-align:left;
}

.device-table-section td {
  color:#222b3d;
}

.device-detail-grid section {
  min-width:0;
  padding:14px;
  border:1px solid rgba(24,32,56,.07);
  border-radius:18px;
  background:#fff;
}

.device-detail-grid h4 {
  margin:0 0 10px;
  font-size:14px;
}

.firmware-row,
.tutorial-link {
  min-width:0;
  padding:10px;
  display:block;
  border-radius:14px;
  background:#f4f8ff;
}

.firmware-row + .firmware-row,
.tutorial-link + .tutorial-link {
  margin-top:8px;
}

.firmware-row strong,
.firmware-row span,
.firmware-row em,
.tutorial-link strong,
.tutorial-link span {
  display:block;
}

.firmware-row strong,
.tutorial-link strong {
  color:#1b2436;
  font-size:13px;
}

.firmware-row span,
.tutorial-link span {
  margin-top:4px;
  color:#667085;
  font-size:12px;
  line-height:1.5;
}

.firmware-row em {
  width:fit-content;
  margin-top:6px;
  padding:4px 7px;
  border-radius:999px;
  color:#0b7a48;
  background:#e9fff4;
  font-size:10px;
  font-style:normal;
  font-weight:900;
}

.tutorial-link {
  border:1px solid transparent;
  transition:transform .2s ease, border-color .2s ease;
}

.tutorial-link:hover {
  transform:translateY(-2px);
  border-color:rgba(37,99,255,.18);
}

.tutorial-link.pending {
  cursor:default;
}

.placeholder-text,
.empty-device-state {
  margin:0;
  color:var(--muted);
  line-height:1.7;
}

.empty-device-state {
  padding:24px;
  border:1px solid rgba(24,32,56,.08);
  border-radius:22px;
  background:#fff;
}

@media (max-width:960px) {
  .flash-hero {
    grid-template-columns:1fr;
    gap:28px;
  }
  .flash-status-card {
    max-width:520px;
  }
  .brand-heading {
    grid-template-columns:1fr;
    gap:12px;
  }
  .device-grid {
    grid-template-columns:1fr;
  }
}

@media (max-width:640px) {
  .flash-hero {
    padding:64px 0 36px;
  }
  .flash-hero h1 {
    font-size:clamp(39px,11vw,52px);
  }
  .flash-hero-copy>p:last-of-type {
    font-size:15px;
  }
  .flash-search {
    grid-template-columns:1fr;
    border-radius:20px;
  }
  .flash-search label {
    padding:5px 8px 0;
  }
  .flash-filter {
    top:68px;
  }
  .brand-tabs {
    border-radius:20px;
  }
  .device-card {
    padding:15px;
    border-radius:24px;
  }
  .device-card-top {
    grid-template-columns:86px 1fr;
    gap:14px;
  }
  .device-entry {
    width:86px;
    height:108px;
    border-radius:24px;
  }
  .device-entry-body {
    width:62px;
    height:82px;
    border-radius:20px;
  }
  .device-entry-screen {
    width:44px;
    min-height:52px;
    padding:6px;
  }
  .device-title h3 {
    font-size:21px;
  }
  .device-info,
  .device-table-grid,
  .device-detail-grid {
    grid-template-columns:1fr;
  }
  .device-table-section th {
    width:96px;
  }
}

@media (max-width:390px) {
  .shell { width:calc(100% - 22px); }
  .brand {
    gap:7px;
    font-size:14px;
  }
  .brand-mark {
    width:30px;
    height:30px;
    border-radius:11px;
  }
  .nav-links a {
    padding:0 6px;
    font-size:10.5px;
  }
  .hero h1 { font-size:41px; }
  .contact-card strong { font-size:14px; }
  .mini-stats {
    grid-template-columns:1fr;
  }
}

@media (pointer:coarse) {
  .nav-links a {
    min-height:44px;
  }
  .button,
  .resource-product-link {
    -webkit-touch-callout:none;
  }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .reveal { opacity:1; transform:none; transition:none; }
  * { transition:none!important; }
}