/* =========================================================
   爱思助手下载站 · 主样式
   Author: i4 Download Station
   Structure: tokens → base → components → sections → responsive
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg: #f7f8fc;
  --bg-soft: #f2f4fa;
  --surface: #ffffff;
  --surface-soft: #f8f9fd;
  --ink: #0b1220;
  --ink-2: #1c2740;
  --body: #5c667a;
  --muted: #818b9f;
  --line: #e8ebf3;
  --line-strong: #dce1ec;

  --violet: #7c5cff;
  --purple: #a048ed;
  --blue: #0a84ff;
  --cyan: #37b6ff;
  --green: #10b981;
  --orange: #f59e0b;
  --pink: #ec4899;
  --red: #ef4444;

  --grad: linear-gradient(135deg, #a048ed 0%, #6c63ff 48%, #0a84ff 100%);
  --grad-soft: linear-gradient(135deg, rgba(160, 72, 237, .12), rgba(10, 132, 255, .1));
  --grad-text: linear-gradient(100deg, #8b3fe8 0%, #5b5bf7 45%, #0a84ff 100%);

  --shadow-xs: 0 1px 2px rgba(16, 24, 40, .04);
  --shadow-sm: 0 6px 18px -8px rgba(20, 29, 56, .1);
  --shadow-md: 0 18px 46px -22px rgba(24, 34, 68, .22);
  --shadow-lg: 0 40px 90px -40px rgba(18, 27, 58, .38);
  --shadow-brand: 0 18px 34px -16px rgba(91, 91, 247, .55);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 34px;

  --container: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(.22, .8, .28, 1);
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

body.nav-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

::selection {
  background: rgba(108, 99, 255, .2);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid rgba(10, 132, 255, .42);
  outline-offset: 3px;
  border-radius: 6px;
}

[hidden] {
  display: none !important;
}

html.js .experience-panel:not(.is-active),
html.js .download-panel:not(.is-active) {
  display: none !important;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  transform: translateY(-150%);
  transition: transform .2s;
}

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

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

.section {
  position: relative;
  padding: 108px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(108, 99, 255, .16);
  border-radius: 999px;
  background: rgba(108, 99, 255, .055);
  color: #5b5bf7;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1;
}

.eyebrow i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, .1);
}

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head h2 {
  margin: 18px 0 16px;
  font-size: clamp(32px, 3.6vw, 47px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.035em;
}

.section-head p {
  max-width: 650px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.85;
}

.section-head-center {
  margin-inline: auto;
  text-align: center;
}

.section-head-center p {
  margin-inline: auto;
}

.section-head-row {
  display: flex;
  max-width: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.section-head-row p {
  max-width: 620px;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 14.5px;
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), background .28s, border-color .28s, color .28s;
}

.btn .icon {
  font-size: 18px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-brand);
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, .18), transparent 55%);
  pointer-events: none;
}

.btn-primary:hover {
  box-shadow: 0 22px 42px -16px rgba(91, 91, 247, .7);
}

.btn-dark {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 12px 24px -14px rgba(11, 18, 32, .6);
}

.btn-dark:hover {
  background: #172238;
}

.btn-soft {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, .8);
  color: var(--ink-2);
  box-shadow: var(--shadow-xs);
}

.btn-soft:hover {
  border-color: #c7cee0;
  background: #fff;
}

.btn-white {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 16px 30px -18px rgba(0, 0, 0, .45);
}

.btn-white:hover {
  background: #f3f5ff;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .06);
  color: #fff;
  backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
  border-color: rgba(255, 255, 255, .5);
  background: rgba(255, 255, 255, .12);
}

.btn-block {
  width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #5b5bf7;
  font-size: 13.5px;
  font-weight: 650;
}

.text-link .icon {
  transition: transform .25s var(--ease);
}

.text-link:hover .icon {
  transform: translateX(4px);
}

/* ---------- Top bar ---------- */
.topbar {
  position: relative;
  z-index: 101;
  border-bottom: 1px solid rgba(108, 99, 255, .08);
  background: linear-gradient(90deg, #f4efff 0%, #eff5ff 48%, #eefaff 100%);
  overflow: hidden;
  transition: height .3s var(--ease), opacity .3s;
}

.topbar.is-hidden {
  height: 0 !important;
  opacity: 0;
  border: 0;
}

.topbar-inner {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar p {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
  color: #4e5871;
  font-size: 12.5px;
}

.topbar p > span:not(.topbar-badge) {
  line-height: 1.4;
}

.topbar-badge {
  display: inline-flex;
  height: 19px;
  align-items: center;
  padding: 0 7px;
  border-radius: 6px;
  background: var(--grad);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
}

.topbar a {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #5b5bf7;
  font-weight: 650;
}

.topbar a .icon {
  width: 13px;
  height: 13px;
}

.topbar-close {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 8px;
  color: #7c86a0;
  transition: background .2s, color .2s;
}

.topbar-close:hover {
  background: rgba(255, 255, 255, .7);
  color: var(--ink);
}

.topbar-close .icon {
  width: 14px;
  height: 14px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  transition: border-color .3s, box-shadow .3s, background .3s;
}

.site-header.is-scrolled {
  border-color: rgba(20, 29, 56, .07);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 8px 30px -22px rgba(16, 24, 40, .3);
}

.header-inner {
  display: flex;
  height: var(--header-h);
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  box-shadow: 0 8px 18px -9px rgba(91, 91, 247, .55);
}

.brand-name {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.04em;
}

.brand-name em {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(108, 99, 255, .08);
  color: #5b5bf7;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: .04em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 8px 0;
  color: #4f5a70;
  font-size: 14px;
  font-weight: 550;
  transition: color .2s;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .28s var(--ease);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-download {
  display: inline-flex;
  height: 42px;
  align-items: center;
  gap: 7px;
  padding: 0 17px;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-size: 13.5px;
  font-weight: 650;
  box-shadow: 0 12px 24px -14px rgba(91, 91, 247, .7);
  transition: transform .25s var(--ease), box-shadow .25s;
}

.header-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px -14px rgba(91, 91, 247, .8);
}

.header-download .icon {
  font-size: 16px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .28s var(--ease), opacity .2s;
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile nav ---------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 46px) 24px 28px;
  background: #fff;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s linear .3s;
  overflow-y: auto;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
}

.mobile-nav nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -.02em;
}

.mobile-nav nav a span {
  color: #b2b9c8;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
}

.mobile-nav-footer {
  margin-top: auto;
  padding-top: 28px;
}

.mobile-nav-footer p {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

body.nav-open .mobile-nav {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 48px 0 26px;
  background: #f7f8fc;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(24, 35, 67, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 35, 67, .035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 55% 36%, #000 10%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 70% at 55% 36%, #000 10%, transparent 78%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(12px);
  opacity: .7;
}

.orb-violet {
  top: -190px;
  left: -120px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(160, 72, 237, .17), rgba(160, 72, 237, 0) 68%);
}

.orb-blue {
  top: -130px;
  right: -180px;
  width: 760px;
  height: 760px;
  background: radial-gradient(circle, rgba(10, 132, 255, .15), rgba(10, 132, 255, 0) 68%);
}

.orb-mint {
  right: 20%;
  bottom: -320px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(16, 185, 129, .08), rgba(16, 185, 129, 0) 68%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-grid-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(460px, .98fr);
  gap: 28px;
  align-items: center;
  min-height: 590px;
}

.hero-copy {
  align-self: start;
  padding: 28px 0 4px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 8px;
  border: 1px solid rgba(108, 99, 255, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: #59637a;
  font-size: 12px;
  font-weight: 550;
  box-shadow: 0 6px 16px -12px rgba(30, 40, 80, .25);
  backdrop-filter: blur(10px);
  transition: border-color .2s, box-shadow .2s;
}

.hero-badge:hover {
  border-color: rgba(108, 99, 255, .35);
  box-shadow: 0 10px 24px -16px rgba(30, 40, 80, .4);
}

.hero-badge-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, .45), 0 0 0 4px rgba(108, 99, 255, .08);
}

.hero-badge-sep {
  width: 1px;
  height: 12px;
  background: #dfe3ee;
}

.hero-badge .icon {
  width: 13px;
  height: 13px;
  color: #8d96aa;
}

.hero h1 {
  margin: 24px 0 20px;
  font-size: clamp(28px, 3.3vw, 38px);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -.02em;
}

.hero-title-main {
  display: block;
  margin-bottom: 8px;
  color: #737e94;
  font-size: .72em;
  font-weight: 650;
  letter-spacing: .02em;
}

.hero-title-sub {
  display: block;
  max-width: 680px;
  color: var(--ink);
  font-size: clamp(40px, 4.15vw, 58px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.05em;
}

.hero-title-sub em {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
}

.hero-lead {
  max-width: 570px;
  color: var(--body);
  font-size: 16.5px;
  line-height: 1.85;
}

.hero-cta {
  display: flex;
  margin-top: 32px;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-hero {
  height: 64px;
  padding: 0 20px;
  border-radius: 18px;
  justify-content: flex-start;
  gap: 12px;
}

.btn-platform {
  display: grid;
  width: 40px;
  height: 40px;
  flex: none;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, .16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.btn-platform .icon {
  width: 20px;
  height: 20px;
}

.btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  line-height: 1.3;
}

.btn-text strong {
  font-size: 14.5px;
  font-weight: 700;
}

.btn-text small {
  color: rgba(255, 255, 255, .7);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .02em;
}

.btn-arrow {
  width: 20px;
  height: 20px;
  margin-left: 8px;
  transition: transform .25s var(--ease);
}

.btn-hero:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-hero-secondary {
  height: 64px;
  border-radius: 18px;
  color: #455167;
  font-size: 13.5px;
}

.btn-hero-secondary .icon {
  width: 15px;
  height: 15px;
}

.hero-trust {
  display: flex;
  margin-top: 22px;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7a8498;
  font-size: 12.5px;
}

.hero-trust .icon {
  width: 15px;
  height: 15px;
  color: #10b981;
}

.hero-trust li:nth-child(2) .icon {
  color: #5b5bf7;
}

.hero-trust li:nth-child(3) .icon {
  color: #0a84ff;
}

/* ---------- Hero visual / phone ---------- */
.hero-visual {
  position: relative;
  display: flex;
  min-height: 610px;
  align-items: center;
  justify-content: center;
}

.hero-halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 35%, rgba(160, 72, 237, .2), transparent 58%),
    radial-gradient(circle at 65% 65%, rgba(10, 132, 255, .2), transparent 58%);
  filter: blur(16px);
  transform: translate(-50%, -50%);
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px dashed rgba(91, 91, 247, .16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 470px;
  height: 470px;
  animation: orbit-spin 42s linear infinite;
}

.orbit-two {
  width: 590px;
  height: 590px;
  border-color: rgba(10, 132, 255, .1);
  animation: orbit-spin 58s linear infinite reverse;
}

.orbit-one::before,
.orbit-two::before {
  content: "";
  position: absolute;
  top: 18%;
  left: 4%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7c5cff;
  box-shadow: 0 0 0 5px rgba(124, 92, 255, .12);
}

.orbit-two::before {
  top: auto;
  right: 8%;
  bottom: 18%;
  left: auto;
  background: #0a84ff;
  box-shadow: 0 0 0 5px rgba(10, 132, 255, .12);
}

.phone-wrap {
  position: relative;
  z-index: 3;
  perspective: 1200px;
}

.phone {
  position: relative;
  width: 294px;
  padding: 8px;
  border-radius: 50px;
  background: linear-gradient(145deg, #31343e 0%, #0a0b10 48%, #232630 100%);
  box-shadow:
    0 70px 100px -50px rgba(15, 22, 45, .65),
    0 34px 48px -28px rgba(15, 22, 45, .45),
    inset 0 0 0 1px rgba(255, 255, 255, .14);
  transform: rotate(-3deg);
  transition: transform .6s var(--ease);
}

.hero-visual:hover .phone {
  transform: rotate(-1deg) translateY(-6px);
}

.phone::before,
.phone::after {
  content: "";
  position: absolute;
  left: -2px;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: #242731;
}

.phone::before {
  top: 142px;
  height: 48px;
}

.phone::after {
  top: 205px;
  height: 72px;
}

.phone-screen {
  position: relative;
  height: 596px;
  border-radius: 43px;
  background: #f4f6fb;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08);
}

.phone-status {
  position: absolute;
  top: 14px;
  right: 24px;
  left: 24px;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #111827;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .01em;
}

.phone-status-icons {
  display: flex;
  align-items: center;
  gap: 5px;
}

.phone-status-icons svg {
  width: 13px;
  height: 9px;
  fill: currentColor;
}

.phone-status-icons svg:nth-child(3) {
  width: 19px;
  height: 10px;
}

.dynamic-island {
  position: absolute;
  top: 9px;
  left: 50%;
  z-index: 7;
  width: 86px;
  height: 25px;
  border-radius: 20px;
  background: #07080c;
  transform: translateX(-50%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .05);
}

.app-ui {
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 50px 15px 0;
}

.app-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 2px 12px;
}

.app-kicker {
  display: block;
  margin-bottom: 1px;
  color: #8a93a7;
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.app-title {
  color: var(--ink);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.03em;
}

.app-avatar {
  display: grid;
  width: 34px;
  height: 34px;
  flex: none;
  place-items: center;
  border: 1px solid #e8ebf4;
  border-radius: 11px;
  background: #fff;
  color: #5b5bf7;
  box-shadow: 0 4px 10px -6px rgba(20, 30, 60, .25);
}

.app-avatar .icon {
  width: 17px;
  height: 17px;
}

.device-card {
  display: flex;
  min-height: 96px;
  align-items: center;
  gap: 13px;
  padding: 12px;
  border-radius: 17px;
  background:
    radial-gradient(circle at 88% 0%, rgba(96, 165, 250, .22), transparent 44%),
    linear-gradient(135deg, #141a2b 0%, #1d2440 100%);
  box-shadow: 0 12px 22px -16px rgba(20, 27, 48, .5);
  color: #fff;
}

.device-art {
  position: relative;
  display: grid;
  width: 48px;
  height: 59px;
  flex: none;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(150deg, #3b4358, #151a27);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .15), 0 8px 14px -8px rgba(0, 0, 0, .6);
}

.device-art-island {
  position: absolute;
  top: 4px;
  left: 50%;
  width: 15px;
  height: 3px;
  border-radius: 2px;
  background: #0a0b10;
  transform: translateX(-50%);
}

.device-art-logo {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.device-art-logo .icon {
  width: 13px;
  height: 13px;
}

.device-meta {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.device-meta strong {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.device-meta > span {
  color: rgba(255, 255, 255, .56);
  font-size: 8.5px;
}

.device-meta em {
  display: inline-flex;
  margin-top: 6px;
  align-items: center;
  gap: 4px;
  color: #86efac;
  font-size: 8px;
  font-style: normal;
  font-weight: 600;
}

.device-meta em i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, .14);
}

.app-health,
.app-storage {
  margin-top: 9px;
  padding: 10px 12px;
  border: 1px solid #e9edf5;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 4px 12px -10px rgba(20, 30, 60, .2);
}

.app-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #8a93a7;
  font-size: 8.5px;
}

.app-card-head b {
  color: #1c2740;
  font-size: 9px;
  font-weight: 700;
}

.app-health-bar {
  height: 6px;
  margin: 8px 0 6px;
  border-radius: 4px;
  background: #edf1f7;
  overflow: hidden;
}

.app-health-bar span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #22c55e, #4ade80);
}

.app-health p {
  color: #9aa3b5;
  font-size: 7px;
}

.storage-bar {
  display: flex;
  height: 7px;
  margin: 9px 0 7px;
  border-radius: 5px;
  background: #edf1f7;
  overflow: hidden;
}

.storage-bar span {
  display: block;
  height: 100%;
}

.s-apps {
  width: 42%;
  background: #7c5cff;
}

.s-photo {
  width: 17%;
  background: #a78bfa;
}

.s-system {
  width: 11%;
  background: #60a5fa;
}

.s-free {
  width: 30%;
  background: #e2e8f0;
}

.storage-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #8e98ab;
  font-size: 6.8px;
}

.storage-legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.storage-legend i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.dot-apps {
  background: #7c5cff;
}

.dot-photo {
  background: #a78bfa;
}

.dot-system {
  background: #60a5fa;
}

.dot-free {
  background: #d8dfeb;
}

.app-quick {
  display: grid;
  margin-top: 10px;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
}

.app-quick > span {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 5px;
  padding: 9px 2px 8px;
  border: 1px solid #e9edf5;
  border-radius: 12px;
  background: #fff;
  color: #6a7488;
  font-size: 7px;
  font-weight: 600;
}

.quick-icon {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 9px;
}

.quick-icon .icon {
  width: 14px;
  height: 14px;
}

.q-violet {
  background: #f2edff;
  color: #7c5cff;
}

.q-green {
  background: #eaf8f2;
  color: #10b981;
}

.q-orange {
  background: #fff4e8;
  color: #f59e0b;
}

.q-blue {
  background: #eaf3ff;
  color: #0a84ff;
}

.app-recent {
  display: flex;
  margin-top: 10px;
  align-items: center;
  gap: 9px;
  padding: 10px 11px;
  border: 1px solid #e9edf5;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 4px 12px -10px rgba(20, 30, 60, .2);
}

.app-recent-icon {
  display: grid;
  width: 28px;
  height: 28px;
  flex: none;
  place-items: center;
  border-radius: 8px;
  background: #eaf8f2;
  color: #10b981;
}

.app-recent-icon .icon {
  width: 14px;
  height: 14px;
}

.app-recent > div {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0;
}

.app-recent strong {
  color: #263147;
  font-size: 8.5px;
  font-weight: 650;
}

.app-recent small {
  color: #9aa3b5;
  font-size: 6.8px;
}

.app-recent em {
  margin-left: auto;
  padding: 3px 6px;
  border-radius: 4px;
  background: #eaf8f2;
  color: #12945a;
  font-size: 6.5px;
  font-style: normal;
  font-weight: 650;
}

.app-tip {
  display: flex;
  margin-top: 8px;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid #eee9ff;
  border-radius: 12px;
  background: linear-gradient(100deg, #faf8ff, #f6f9ff);
}

.app-tip-icon {
  display: grid;
  width: 25px;
  height: 25px;
  flex: none;
  place-items: center;
  border-radius: 7px;
  background: #f0ebff;
  color: #7c5cff;
}

.app-tip-icon .icon {
  width: 12px;
  height: 12px;
}

.app-tip > div {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.app-tip strong {
  color: #3b3457;
  font-size: 8px;
  font-weight: 650;
}

.app-tip small {
  color: #9891ac;
  font-size: 6.5px;
}

.app-tip-arrow {
  width: 11px;
  height: 11px;
  margin-left: auto;
  color: #b2a9c9;
  transform: rotate(-90deg);
}

.app-tabbar {
  display: flex;
  height: 51px;
  margin: auto -15px 0;
  align-items: center;
  justify-content: space-around;
  border-top: 1px solid #eaedf4;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(12px);
}

.app-tabbar span {
  display: grid;
  width: 30px;
  height: 26px;
  place-items: center;
  color: #a3abbc;
}

.app-tabbar span.is-active {
  color: #5b5bf7;
}

.app-tabbar .icon {
  width: 17px;
  height: 17px;
}

.home-bar {
  position: absolute;
  bottom: 6px;
  left: 50%;
  z-index: 8;
  width: 88px;
  height: 4px;
  border-radius: 4px;
  background: #101218;
  opacity: .8;
  transform: translateX(-50%);
}

/* Floating cards */
.float-card {
  position: absolute;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 17px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 24px 50px -26px rgba(20, 30, 60, .38), 0 2px 0 rgba(255, 255, 255, .7) inset;
  backdrop-filter: blur(18px) saturate(1.2);
  animation: float 6.5s ease-in-out infinite alternate;
}

.score-float {
  top: 94px;
  left: -44px;
  display: flex;
  width: 174px;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
}

.float-icon {
  display: grid;
  width: 36px;
  height: 36px;
  flex: none;
  place-items: center;
  border-radius: 11px;
}

.float-icon .icon {
  width: 18px;
  height: 18px;
}

.float-icon-green {
  background: #e9f9f1;
  color: #10b981;
}

.float-icon-violet {
  background: #f0ebff;
  color: #7c5cff;
}

.score-float > div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.score-float span {
  color: #8b94a7;
  font-size: 9px;
}

.score-float strong {
  color: #0b1220;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
}

.score-float em {
  color: #10b981;
  font-size: 9px;
  font-style: normal;
  font-weight: 650;
}

.transfer-float {
  right: -24px;
  bottom: 38px;
  width: 210px;
  padding: 13px 14px;
  animation-delay: -2.2s;
}

.transfer-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #7b8499;
  font-size: 9px;
}

.transfer-head .float-icon {
  width: 27px;
  height: 27px;
  border-radius: 8px;
}

.transfer-head .float-icon .icon {
  width: 14px;
  height: 14px;
}

.transfer-float > strong {
  display: block;
  margin-top: 8px;
  color: #0b1220;
  font-size: 16px;
  font-weight: 800;
}

.transfer-float > strong em {
  color: #8b94a7;
  font-size: 9px;
  font-style: normal;
  font-weight: 500;
}

.transfer-bar {
  height: 5px;
  margin-top: 8px;
  border-radius: 4px;
  background: #eef1f7;
  overflow: hidden;
}

.transfer-bar span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--grad);
}

.speed-float {
  bottom: 78px;
  left: -44px;
  width: 206px;
  padding: 13px 14px 10px;
  animation-delay: -4s;
}

.speed-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}

.speed-head span {
  color: #8b94a7;
  font-size: 9px;
}

.speed-head b {
  color: #0b1220;
  font-size: 15px;
  font-weight: 800;
}

.speed-head b em {
  color: #8b94a7;
  font-size: 8px;
  font-style: normal;
  font-weight: 500;
}

.sparkline {
  width: 100%;
  height: 30px;
  margin-top: 6px;
  overflow: visible;
}

/* ---------- Platform strip ---------- */
.platform-strip {
  display: flex;
  margin-top: 44px;
  align-items: center;
  gap: 34px;
  padding: 19px 26px;
  border: 1px solid rgba(230, 234, 244, .9);
  border-radius: 22px;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 20px 44px -36px rgba(22, 32, 62, .42), inset 0 1px 0 #fff;
  backdrop-filter: blur(16px);
}

.platform-strip-title {
  display: flex;
  min-width: 132px;
  flex-direction: column;
  gap: 2px;
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.platform-strip-title strong {
  font-size: 14px;
  font-weight: 700;
}

.platform-strip-title span {
  color: #929bae;
  font-size: 10.5px;
}

.platform-list {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.platform-list li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.platform-icon {
  display: grid;
  width: 36px;
  height: 36px;
  flex: none;
  place-items: center;
  border: 1px solid #edf0f6;
  border-radius: 11px;
  background: #f8f9fc;
  color: #4b556b;
}

.platform-icon .icon {
  width: 17px;
  height: 17px;
}

.platform-list li > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: #303b52;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
}

.platform-list small {
  color: #9aa3b5;
  font-size: 9.5px;
  font-weight: 500;
}

/* ---------- Stats ---------- */
.stats-section {
  padding: 18px 0 22px;
  background: #f7f8fc;
}

.stats-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr repeat(4, 1fr);
  align-items: center;
  gap: 20px;
  padding: 38px 42px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 28px;
  background:
    radial-gradient(circle at 92% -20%, rgba(10, 132, 255, .32), transparent 42%),
    radial-gradient(circle at 12% 120%, rgba(160, 72, 237, .25), transparent 40%),
    linear-gradient(115deg, #0b1220 0%, #121832 55%, #0b1428 100%);
  box-shadow: 0 36px 80px -48px rgba(12, 20, 43, .7);
  color: #fff;
  overflow: hidden;
}

.stats-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 35%, #000 70%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 35%, #000 70%, transparent);
  pointer-events: none;
}

.stats-copy {
  position: relative;
  z-index: 1;
}

.stats-eyebrow {
  color: #7d89a5;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
}

.stats-copy h2 {
  margin-top: 7px;
  font-size: 23px;
  font-weight: 750;
  line-height: 1.32;
  letter-spacing: -.03em;
}

.stat-item {
  position: relative;
  z-index: 1;
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, .13);
}

.stat-item strong {
  display: flex;
  align-items: baseline;
  gap: 2px;
  color: #fff;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
}

.stat-item strong em {
  color: #98a6c8;
  font-size: 13px;
  font-style: normal;
  font-weight: 600;
}

.stat-item p {
  margin-top: 3px;
  color: #8d99b3;
  font-size: 12px;
}

/* ---------- Features ---------- */
.features-section {
  background: #fff;
}

.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.feature-card {
  position: relative;
  display: flex;
  min-height: 292px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 99, 255, .1), transparent 66%);
  opacity: 0;
  transition: opacity .45s;
}

.feature-card:hover {
  border-color: #dfe4f0;
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-verify {
  grid-column: span 7;
  min-height: 356px;
}

.feature-flash {
  grid-column: span 5;
  min-height: 356px;
  background:
    radial-gradient(circle at 90% 12%, rgba(10, 132, 255, .08), transparent 40%),
    #fff;
}

.feature-card:nth-child(3),
.feature-card:nth-child(4),
.feature-card:nth-child(5) {
  grid-column: span 4;
}

.feature-card:nth-child(3) {
  background:
    radial-gradient(circle at 100% 0%, rgba(16, 185, 129, .065), transparent 46%),
    #fff;
}

.feature-card:nth-child(4) {
  background:
    radial-gradient(circle at 100% 0%, rgba(245, 158, 11, .065), transparent 46%),
    #fff;
}

.feature-card:nth-child(5) {
  background:
    radial-gradient(circle at 100% 0%, rgba(236, 72, 153, .06), transparent 46%),
    #fff;
}

.feature-content {
  position: relative;
  z-index: 2;
}

.feature-icon,
.step-icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 15px;
}

.feature-icon .icon,
.step-icon .icon {
  width: 24px;
  height: 24px;
}

.icon-violet {
  background: #f1ebff;
  color: #7c5cff;
  box-shadow: inset 0 0 0 1px rgba(124, 92, 255, .08);
}

.icon-blue {
  background: #e9f3ff;
  color: #0a84ff;
  box-shadow: inset 0 0 0 1px rgba(10, 132, 255, .08);
}

.icon-green {
  background: #e9f9f1;
  color: #10b981;
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, .08);
}

.icon-orange {
  background: #fff4e6;
  color: #f59e0b;
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, .08);
}

.icon-pink {
  background: #fdecf4;
  color: #ec4899;
  box-shadow: inset 0 0 0 1px rgba(236, 72, 153, .08);
}

.feature-content h3 {
  margin: 20px 0 9px;
  font-size: 21px;
  font-weight: 750;
  line-height: 1.3;
  letter-spacing: -.02em;
}

.feature-content p {
  max-width: 440px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.8;
}

.feature-content .text-link {
  margin-top: 17px;
}

.feature-verify .feature-content {
  max-width: 50%;
}

.feature-visual {
  position: relative;
  z-index: 1;
}

/* Mini report */
.feature-verify .feature-visual {
  position: absolute;
  right: 26px;
  bottom: 24px;
  width: 258px;
}

.mini-report {
  padding: 15px;
  border: 1px solid #e9edf6;
  border-radius: 17px;
  background: #fbfcff;
  box-shadow: 0 20px 35px -28px rgba(25, 35, 70, .4);
  transform: rotate(2deg);
  transition: transform .5s var(--ease);
}

.feature-card:hover .mini-report {
  transform: rotate(0) translateY(-4px);
}

.mini-report-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 9px;
  border-bottom: 1px solid #edf0f6;
}

.mini-report-head span {
  font-size: 10px;
  font-weight: 700;
}

.mini-report-head em {
  color: #8a93a7;
  font-size: 7px;
  font-style: normal;
}

.mini-score {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0 9px;
}

.mini-score strong {
  display: grid;
  width: 53px;
  height: 53px;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(#10b981 0 100%);
  color: #0b1220;
  font-size: 18px;
  font-weight: 800;
  box-shadow: inset 0 0 0 5px #fbfcff, inset 0 0 0 8px #34d399;
}

.mini-score > span {
  display: flex;
  flex-direction: column;
  color: #8a93a7;
  font-size: 7px;
}

.mini-score small {
  margin-top: 2px;
  color: #10b981;
  font-size: 9px;
  font-weight: 700;
}

.mini-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5.5px 0;
  border-bottom: 1px dashed #edf0f6;
  color: #8791a5;
  font-size: 7.5px;
}

.mini-row b {
  color: #2c8f68;
  font-size: 7.5px;
  font-weight: 650;
}

.mini-foot {
  display: flex;
  margin-top: 10px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px;
  border-radius: 7px;
  background: #eaf8f2;
  color: #12945a;
  font-size: 7px;
  font-weight: 650;
}

.mini-foot .icon {
  width: 10px;
  height: 10px;
}

/* Flash visual */
.feature-flash .feature-visual {
  margin-top: auto;
  padding-top: 24px;
}

.firmware-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
  padding: 9px 12px;
  border: 1px solid #e9edf5;
  border-radius: 10px;
  background: #fbfcff;
  color: #4f5a70;
  font-size: 10.5px;
}

.firmware-chip b {
  margin-left: auto;
  padding: 2px 5px;
  border-radius: 4px;
  background: #eaf3ff;
  color: #0a84ff;
  font-size: 7px;
  font-weight: 700;
}

.firmware-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0a84ff;
  box-shadow: 0 0 0 3px rgba(10, 132, 255, .1);
}

.flash-progress {
  margin-top: 10px;
  padding: 11px 12px;
  border-radius: 11px;
  background: #0f1526;
  color: #fff;
}

.flash-progress > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 8.5px;
}

.flash-progress b {
  color: #7fb8ff;
  font-size: 9px;
}

.progress-track {
  height: 5px;
  margin-top: 8px;
  border-radius: 4px;
  background: #273250;
  overflow: hidden;
}

.progress-track span {
  display: block;
  width: 78%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #a048ed, #6c63ff 55%, #37b6ff);
}

/* Data visual */
.data-visual {
  margin-top: auto;
  padding-top: 18px;
}

.data-row {
  display: grid;
  grid-template-columns: 38px 1fr 44px;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  color: #8a93a7;
  font-size: 9px;
}

.data-row > div {
  height: 6px;
  border-radius: 4px;
  background: #eef1f7;
  overflow: hidden;
}

.data-row i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #a78bfa, #7c5cff);
}

.data-row:nth-child(2) i {
  background: linear-gradient(90deg, #7dd3fc, #0a84ff);
}

.data-row:nth-child(3) i {
  background: linear-gradient(90deg, #6ee7b7, #10b981);
}

.data-row:nth-child(4) i {
  background: linear-gradient(90deg, #fcd34d, #f59e0b);
}

.data-row b {
  color: #3e4a61;
  font-size: 8.5px;
  font-weight: 650;
  text-align: right;
}

/* App visual */
.app-visual {
  display: grid;
  width: 158px;
  margin: auto auto 0;
  padding-top: 22px;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.mini-app {
  display: grid;
  height: 52px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  box-shadow: 0 14px 20px -16px rgba(20, 30, 60, .5);
  transition: transform .35s var(--ease);
}

.mini-app .icon {
  width: 22px;
  height: 22px;
}

.feature-card:hover .mini-app {
  transform: translateY(-3px);
}

.app-a {
  background: linear-gradient(135deg, #fb7185, #e11d48);
}

.app-b {
  background: linear-gradient(135deg, #a78bfa, #6d28d9);
}

.app-c {
  background: linear-gradient(135deg, #60a5fa, #1d4ed8);
}

.app-d {
  background: linear-gradient(135deg, #34d399, #047857);
}

/* Ring visual */
.ring-visual {
  margin-top: auto;
  padding-top: 18px;
}

.waveform {
  display: flex;
  height: 40px;
  align-items: center;
  gap: 4px;
  padding: 0 4px;
}

.waveform i {
  display: block;
  width: 3px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(180deg, #f9a8d4, #ec4899);
  opacity: .7;
}

.waveform i:nth-child(2n) {
  height: 24px;
}

.waveform i:nth-child(3n) {
  height: 34px;
}

.waveform i:nth-child(4n) {
  height: 18px;
}

.waveform i:nth-child(5n) {
  height: 29px;
}

.waveform i:nth-child(7n) {
  height: 8px;
}

.ring-file {
  display: flex;
  margin-top: 8px;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  border: 1px solid #f6d9e8;
  border-radius: 11px;
  background: #fff8fb;
}

.ring-file > .icon {
  width: 18px;
  height: 18px;
  color: #ec4899;
}

.ring-file span {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ring-file b {
  color: #3d3a4a;
  font-size: 8.5px;
}

.ring-file small {
  color: #a69aab;
  font-size: 6.5px;
}

.ring-file em {
  margin-left: auto;
  color: #10b981;
  font-size: 7px;
  font-style: normal;
  font-weight: 650;
}

/* ---------- Experience ---------- */
.experience-section {
  background: linear-gradient(180deg, #fff 0%, #fff 16%, #f7f8fc 100%);
}

.experience-layout {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  align-items: center;
  gap: 56px;
}

.experience-copy h2 {
  margin: 18px 0 16px;
  font-size: clamp(32px, 3.5vw, 45px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.035em;
}

.experience-copy > p {
  max-width: 460px;
  color: var(--body);
  font-size: 15.5px;
  line-height: 1.85;
}

.experience-tabs {
  display: flex;
  margin-top: 28px;
  flex-direction: column;
  gap: 8px;
}

.experience-tab {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 13px;
  padding: 15px 14px;
  border: 1px solid transparent;
  border-radius: 15px;
  text-align: left;
  transition: background .25s, border-color .25s, box-shadow .25s, transform .25s;
}

.experience-tab:hover {
  background: #fff;
  border-color: var(--line);
}

.experience-tab.is-active {
  border-color: var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.tab-index {
  display: grid;
  width: 36px;
  height: 36px;
  flex: none;
  place-items: center;
  border-radius: 10px;
  background: #f3f5fa;
  color: #9aa3b6;
  font-size: 10px;
  font-weight: 700;
  transition: background .25s, color .25s;
}

.experience-tab.is-active .tab-index {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 16px -10px rgba(91, 91, 247, .7);
}

.tab-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1px;
}

.tab-copy strong {
  font-size: 14px;
  font-weight: 700;
}

.tab-copy small {
  color: #8b94a7;
  font-size: 11.5px;
}

.tab-chevron {
  width: 16px;
  height: 16px;
  margin-left: auto;
  color: #c1c7d4;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .25s, transform .25s, color .25s;
}

.experience-tab.is-active .tab-chevron {
  color: #5b5bf7;
  opacity: 1;
  transform: none;
}

.experience-stage {
  position: relative;
  min-height: 568px;
  padding: 14px;
  border: 1px solid #252e4a;
  border-radius: 30px;
  background:
    radial-gradient(circle at 86% 0%, rgba(10, 132, 255, .23), transparent 38%),
    radial-gradient(circle at 5% 100%, rgba(160, 72, 237, .18), transparent 45%),
    #0b1220;
  box-shadow: 0 50px 90px -46px rgba(15, 23, 52, .75);
  overflow: hidden;
}

.stage-chrome {
  display: flex;
  height: 38px;
  align-items: center;
  gap: 14px;
  padding: 0 6px;
}

.chrome-dots {
  display: flex;
  gap: 5px;
}

.chrome-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3a4561;
}

.chrome-dots i:first-child {
  background: #f87171;
}

.chrome-dots i:nth-child(2) {
  background: #fbbf24;
}

.chrome-dots i:nth-child(3) {
  background: #34d399;
}

.chrome-title {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #aab6d1;
  font-size: 9.5px;
  font-weight: 600;
}

.chrome-title .icon {
  width: 10px;
  height: 10px;
}

.chrome-status {
  margin-left: auto;
  padding: 3px 8px;
  border-radius: 20px;
  background: rgba(52, 211, 153, .1);
  color: #6ee7b7;
  font-size: 8px;
}

.experience-panel {
  position: relative;
  z-index: 2;
  min-height: 486px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 20px;
  background: #f6f8fd;
  box-shadow: inset 0 1px 0 #fff;
}

.stage-glow {
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(108, 99, 255, .22);
  filter: blur(55px);
  pointer-events: none;
}

/* Demo report */
.demo-report {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.demo-report-head,
.demo-device-head,
.demo-flash-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid #e6ebf4;
}

.demo-report-head > div,
.demo-device-head > div,
.demo-flash-head > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.demo-report-head span,
.demo-device-head span,
.demo-flash-head span {
  color: #8d97ab;
  font-size: 8px;
  font-weight: 650;
  letter-spacing: .08em;
}

.demo-report-head strong,
.demo-device-head strong,
.demo-flash-head strong {
  color: #172033;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.demo-pill {
  padding: 4px 9px;
  border-radius: 20px;
  background: #e8f8f0;
  color: #12945a;
  font-size: 8px;
  font-weight: 650;
  white-space: nowrap;
}

.demo-pill.blue {
  background: #eaf3ff;
  color: #0a6fd8;
}

.demo-pill.green {
  background: #e8f8f0;
  color: #12945a;
}

.demo-score-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 2px 15px;
}

.score-ring {
  position: relative;
  display: grid;
  width: 104px;
  height: 104px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(#10b981 calc(var(--value) * 1%), #e8edf5 0);
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, .1);
}

.score-ring::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: #f6f8fd;
}

.score-ring > span {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.score-ring b {
  color: #0f1a2c;
  font-size: 29px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
}

.score-ring small {
  margin-top: 3px;
  color: #8d97ab;
  font-size: 7px;
}

.score-copy strong {
  color: #12945a;
  font-size: 15px;
  font-weight: 750;
}

.score-copy p {
  max-width: 260px;
  margin-top: 4px;
  color: #7c869b;
  font-size: 9px;
  line-height: 1.6;
}

.score-copy > span {
  display: block;
  margin-top: 7px;
  color: #a1a9b9;
  font-size: 7.5px;
}

.demo-check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 22px;
  padding: 4px 2px;
  border-top: 1px solid #e8ecf4;
}

.demo-check-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed #e8ecf4;
}

.demo-check-list span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #687389;
  font-size: 9px;
}

.demo-check-list b {
  color: #12945a;
  font-size: 9px;
  font-weight: 650;
}

.ok-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .1);
}

.demo-report-foot {
  display: flex;
  margin-top: auto;
  align-items: center;
  gap: 5px;
  padding-top: 13px;
  color: #9aa3b5;
  font-size: 7px;
}

.demo-report-foot .icon {
  width: 10px;
  height: 10px;
  color: #10b981;
}

.demo-report-foot .demo-export {
  margin-left: auto;
  padding: 5px 9px;
  border-radius: 6px;
  background: #eef1f8;
  color: #5b5bf7;
  font-size: 7px;
}

/* Device demo */
.storage-overview {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 20px 4px 16px;
}

.storage-ring {
  position: relative;
  display: grid;
  width: 118px;
  height: 118px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(from 215deg, #7c5cff 0 73%, #e8edf5 73% 100%);
}

.storage-ring::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: #f6f8fd;
}

.storage-ring span {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.storage-ring b {
  color: #101a2c;
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -.04em;
}

.storage-ring small {
  color: #8d97ab;
  font-size: 7px;
}

.storage-summary {
  display: grid;
  flex: 1;
  grid-template-columns: 1fr 1fr;
  gap: 11px 20px;
}

.storage-summary > div {
  display: grid;
  grid-template-columns: 7px 1fr auto;
  align-items: center;
  gap: 6px;
}

.storage-summary i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.storage-summary span {
  color: #7b8599;
  font-size: 8.5px;
}

.storage-summary b {
  color: #263147;
  font-size: 8.5px;
  font-weight: 650;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid #e8ecf4;
}

.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border: 1px solid #e9edf5;
  border-radius: 11px;
  background: #fff;
}

.file-icon {
  display: grid;
  width: 31px;
  height: 31px;
  flex: none;
  place-items: center;
  border-radius: 8px;
}

.file-icon .icon {
  width: 15px;
  height: 15px;
}

.file-icon.folder {
  background: #f2edff;
  color: #7c5cff;
}

.file-icon.app {
  background: #eaf3ff;
  color: #0a84ff;
}

.file-icon.cloud {
  background: #e9f9f1;
  color: #10b981;
}

.file-row > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  color: #303b52;
  font-size: 8.5px;
  font-weight: 600;
}

.file-row small {
  color: #a2aaba;
  font-size: 6.8px;
  font-weight: 400;
}

.file-row b {
  margin-left: auto;
  color: #7e889b;
  font-size: 8px;
  font-weight: 600;
}

.file-row em {
  padding: 3px 7px;
  border-radius: 5px;
  background: #f3f5fa;
  color: #5b5bf7;
  font-size: 7px;
  font-style: normal;
  font-weight: 600;
}

/* Flash demo */
.flash-main {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 22px 6px 18px;
}

.flash-ring {
  position: relative;
  display: grid;
  width: 120px;
  height: 120px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(#6c63ff 0 78%, #e8edf5 78% 100%);
}

.flash-ring::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: #f6f8fd;
}

.flash-ring > span {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.flash-ring b {
  color: #101a2c;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
}

.flash-ring b small {
  font-size: 11px;
}

.flash-ring em {
  margin-top: 3px;
  color: #8d97ab;
  font-size: 7px;
  font-style: normal;
}

.flash-info strong {
  color: #1d2740;
  font-size: 12px;
  font-weight: 700;
}

.flash-info p {
  max-width: 220px;
  margin-top: 5px;
  color: #8a94a8;
  font-size: 8.5px;
  line-height: 1.65;
}

.flash-meta {
  display: flex;
  margin-top: 9px;
  gap: 7px;
  flex-wrap: wrap;
}

.flash-meta span {
  padding: 4px 8px;
  border-radius: 5px;
  background: #fff;
  color: #7a8498;
  font-size: 7px;
  box-shadow: inset 0 0 0 1px #e8ecf4;
}

.flash-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 10px;
  border-top: 1px solid #e8ecf4;
}

.flash-steps > div {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 2px;
  border-bottom: 1px dashed #e8ecf4;
}

.flash-steps i {
  display: grid;
  width: 20px;
  height: 20px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: #eef1f8;
  color: #9aa3b5;
  font-size: 8px;
  font-style: normal;
  font-weight: 700;
}

.flash-steps .is-done i {
  background: #e9f9f1;
  color: #10b981;
}

.flash-steps .is-done i .icon {
  width: 11px;
  height: 11px;
}

.flash-steps .is-active i {
  background: var(--grad);
  color: #fff;
}

.flash-steps span {
  color: #4e5a70;
  font-size: 9px;
}

.flash-steps b {
  margin-left: auto;
  color: #8d97ab;
  font-size: 8px;
  font-weight: 600;
}

.flash-steps .is-done b {
  color: #10b981;
}

.flash-steps .is-active b {
  color: #5b5bf7;
}

/* ---------- Download ---------- */
.download-section {
  background: #f6f7fc;
  overflow: hidden;
}

.download-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(10, 132, 255, .08), transparent 28%),
    radial-gradient(circle at 12% 70%, rgba(160, 72, 237, .07), transparent 30%);
  pointer-events: none;
}

.download-section .container {
  position: relative;
  z-index: 1;
}

.download-tabs {
  display: flex;
  width: fit-content;
  margin: 0 auto 34px;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, .8);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.download-tab {
  display: inline-flex;
  height: 38px;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  border-radius: 10px;
  color: #6f798d;
  font-size: 12.5px;
  font-weight: 600;
  transition: background .25s, color .25s, box-shadow .25s;
}

.download-tab .icon {
  width: 14px;
  height: 14px;
}

.download-tab:hover {
  color: var(--ink);
  background: #f5f7fc;
}

.download-tab.is-active {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 8px 16px -10px rgba(11, 18, 32, .55);
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 316px;
  align-items: start;
  gap: 22px;
}

.download-panels {
  min-width: 0;
}

.download-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.download-card {
  position: relative;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #fff;
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}

.download-card:hover {
  border-color: #dfe4ef;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.download-card.is-recommended {
  border-color: rgba(108, 99, 255, .32);
  background:
    radial-gradient(circle at 100% 0%, rgba(108, 99, 255, .08), transparent 42%),
    #fff;
  box-shadow: 0 18px 40px -26px rgba(91, 91, 247, .38);
}

.download-card.is-recommended::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--grad);
}

.download-card.is-detected {
  box-shadow: 0 0 0 2px rgba(16, 185, 129, .2), var(--shadow-md);
}

.download-card-top {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin-bottom: 17px;
}

.download-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 20px -12px rgba(91, 91, 247, .65);
}

.download-icon.gray {
  background: #f2f4f9;
  color: #4d5568;
  box-shadow: none;
}

.download-icon .icon {
  width: 22px;
  height: 22px;
}

.recommend-badge,
.detected-badge {
  display: inline-flex;
  height: 20px;
  align-items: center;
  padding: 0 7px;
  border-radius: 5px;
  background: #f0ebff;
  color: #6b4ee6;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .03em;
}

.recommend-badge {
  margin-left: auto;
}

.detected-badge {
  background: #e9f9f1;
  color: #12945a;
}

.download-card h3 {
  margin-bottom: 5px;
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.download-version {
  color: #8b94a7;
  font-size: 11.5px;
}

.download-version span {
  color: #b4bac7;
}

.download-specs {
  display: flex;
  margin-top: 20px;
  flex-direction: column;
  gap: 9px;
}

.download-specs li {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #667187;
  font-size: 12.5px;
}

.download-specs .icon {
  width: 13px;
  height: 13px;
  color: #10b981;
}

.download-card-actions {
  display: flex;
  margin-top: auto;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
}

.download-card-actions .btn {
  height: 46px;
  border-radius: 12px;
  font-size: 13px;
}

.copy-btn {
  display: grid;
  width: 46px;
  height: 46px;
  flex: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #778197;
  transition: border-color .2s, color .2s, background .2s;
}

.copy-btn:hover {
  border-color: #c9d0e0;
  background: #f8f9fc;
  color: #5b5bf7;
}

.copy-btn .icon {
  width: 16px;
  height: 16px;
}

/* Download aside */
.download-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.detect-card {
  position: relative;
  padding: 22px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 92% 0%, rgba(60, 178, 255, .3), transparent 40%),
    linear-gradient(145deg, #0b1220 0%, #141b38 100%);
  box-shadow: 0 28px 52px -32px rgba(13, 21, 46, .7);
  color: #fff;
  overflow: hidden;
}

.detect-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(circle at 80% 20%, #000, transparent 65%);
  mask-image: radial-gradient(circle at 80% 20%, #000, transparent 65%);
  pointer-events: none;
}

.detect-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.detect-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  background: rgba(255, 255, 255, .08);
  color: #b8c7ec;
}

.detect-icon .icon {
  width: 19px;
  height: 19px;
}

.detect-live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 20px;
  background: rgba(52, 211, 153, .1);
  color: #6ee7b7;
  font-size: 8px;
}

.detect-live i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, .12);
  animation: live-pulse 2s ease-in-out infinite;
}

.detect-label {
  position: relative;
  z-index: 1;
  margin-top: 17px;
  color: #7f8aa7;
  font-size: 10px;
}

.detect-os {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 2px;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.detect-tip {
  position: relative;
  z-index: 1;
  margin-top: 3px;
  color: #8d99b7;
  font-size: 10.5px;
}

.detect-card .btn {
  position: relative;
  z-index: 1;
  height: 44px;
  margin-top: 18px;
  background: #fff;
  color: #111a2c;
  font-size: 12.5px;
  box-shadow: 0 12px 24px -14px rgba(0, 0, 0, .5);
}

.detect-note {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 10px;
  color: #8793ad;
  font-size: 9px;
  text-align: center;
}

.qr-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-xs);
}

.qr-frame {
  width: 82px;
  height: 82px;
  flex: none;
  padding: 6px;
  border: 1px solid #edf0f6;
  border-radius: 12px;
  background: #fff;
}

.qr-frame img {
  width: 100%;
  height: 100%;
  border-radius: 6px;
}

.qr-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.qr-copy strong {
  font-size: 13px;
  font-weight: 700;
}

.qr-copy p {
  color: #7c869a;
  font-size: 10.5px;
}

.qr-copy span {
  color: #a2aaba;
  font-size: 9px;
}

.secure-card {
  display: flex;
  gap: 11px;
  padding: 16px;
  border: 1px solid #e2f2eb;
  border-radius: 18px;
  background: #f4fbf8;
}

.secure-icon {
  display: grid;
  width: 34px;
  height: 34px;
  flex: none;
  place-items: center;
  border-radius: 10px;
  background: #e3f7ee;
  color: #10b981;
}

.secure-icon .icon {
  width: 16px;
  height: 16px;
}

.secure-card strong {
  display: block;
  color: #145c42;
  font-size: 11.5px;
  font-weight: 700;
}

.secure-card p {
  margin-top: 2px;
  color: #65917e;
  font-size: 9.5px;
  line-height: 1.6;
}

.download-note {
  display: flex;
  margin-top: 26px;
  align-items: center;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
}

.download-note span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #737e94;
  font-size: 11px;
}

.download-note .icon {
  width: 12px;
  height: 12px;
  color: #a7aebe;
}

/* ---------- Guide ---------- */
.guide-section {
  background: #fff;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.step-card {
  position: relative;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #fbfcfe;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}

.step-card:hover {
  border-color: #dee4f0;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 100% 0%, rgba(108, 99, 255, .1), transparent 70%);
}

.step-number {
  position: absolute;
  top: 16px;
  right: 22px;
  color: #eef1f8;
  font-size: 58px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.06em;
}

.step-card h3 {
  margin: 20px 0 9px;
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.step-card p {
  color: var(--body);
  font-size: 13.5px;
  line-height: 1.8;
}

.step-tag {
  display: inline-flex;
  margin-top: 17px;
  padding: 4px 8px;
  border-radius: 5px;
  background: #f2f4f9;
  color: #8d96a8;
  font-size: 9.5px;
}

.guide-tip {
  display: flex;
  margin-top: 24px;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border: 1px solid #e8e4ff;
  border-radius: 18px;
  background: linear-gradient(100deg, #faf8ff, #f5f8ff);
}

.tip-icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: none;
  place-items: center;
  border-radius: 11px;
  background: #f0ebff;
  color: #7c5cff;
}

.tip-icon .icon {
  width: 19px;
  height: 19px;
}

.guide-tip strong {
  font-size: 12px;
  font-weight: 700;
}

.guide-tip p {
  margin-top: 2px;
  color: #7c869a;
  font-size: 11.5px;
  line-height: 1.65;
}

.guide-tip .text-link {
  margin-left: auto;
  white-space: nowrap;
}

/* ---------- Articles ---------- */
.learn-section {
  background: #f8f9fd;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.article-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #fff;
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}

.article-card:hover {
  border-color: #dfe4ef;
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.article-cover {
  overflow: hidden;
  background: #eef2f9;
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.article-card:hover .article-cover img {
  transform: scale(1.035);
}

.article-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 21px 22px 19px;
}

.article-tag {
  align-self: flex-start;
  padding: 4px 8px;
  border-radius: 5px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .03em;
}

.tag-violet {
  background: #f1ebff;
  color: #6b4ee6;
}

.tag-blue {
  background: #eaf3ff;
  color: #0a6fd8;
}

.tag-green {
  background: #e9f9f1;
  color: #12945a;
}

.article-body h3 {
  margin: 13px 0 7px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -.015em;
  transition: color .2s;
}

.article-card:hover h3 {
  color: #5b4ee6;
}

.article-body p {
  color: #7e889b;
  font-size: 12.5px;
  line-height: 1.7;
}

.article-meta {
  display: flex;
  margin-top: auto;
  align-items: center;
  gap: 7px;
  padding-top: 17px;
  color: #8d96a8;
  font-size: 10px;
}

.article-meta i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #cbd1dd;
}

.article-meta .icon {
  width: 13px;
  height: 13px;
  margin-left: auto;
  color: #9aa3b5;
  transition: transform .25s, color .25s;
}

.article-card:hover .article-meta .icon {
  color: #5b5bf7;
  transform: translateX(3px);
}

/* ---------- FAQ ---------- */
.faq-section {
  background: #fff;
}

.faq-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  align-items: start;
  gap: 64px;
}

.faq-copy {
  position: sticky;
  top: 108px;
}

.faq-copy h2 {
  margin: 18px 0 16px;
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.035em;
}

.faq-copy > p {
  max-width: 390px;
  color: var(--body);
  font-size: 14.5px;
  line-height: 1.85;
}

.support-card {
  display: flex;
  margin-top: 28px;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fbfcfe;
}

.support-icon {
  display: grid;
  width: 40px;
  height: 40px;
  flex: none;
  place-items: center;
  border-radius: 11px;
  background: #eef2ff;
  color: #5b5bf7;
}

.support-icon .icon {
  width: 19px;
  height: 19px;
}

.support-card strong {
  font-size: 12.5px;
  font-weight: 700;
}

.support-card p {
  margin-top: 1px;
  color: #8a93a7;
  font-size: 9.5px;
  line-height: 1.5;
}

.support-link {
  display: grid;
  width: 32px;
  height: 32px;
  flex: none;
  margin-left: auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: #5b5bf7;
  transition: background .2s, border-color .2s;
}

.support-link:hover {
  background: #f4f2ff;
  border-color: #dcd4ff;
}

.support-link .icon {
  width: 14px;
  height: 14px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 23px 0;
  text-align: left;
}

.faq-question span {
  color: #1e293e;
  font-size: 15.5px;
  font-weight: 650;
  line-height: 1.55;
  transition: color .2s;
}

.faq-question:hover span,
.faq-item.is-open .faq-question span {
  color: #5b4ee6;
}

.faq-question i {
  display: grid;
  width: 28px;
  height: 28px;
  flex: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: #8a93a7;
  transition: transform .3s var(--ease), background .3s, color .3s, border-color .3s;
}

.faq-question i .icon {
  width: 14px;
  height: 14px;
}

.faq-item.is-open .faq-question i {
  border-color: transparent;
  background: var(--grad);
  color: #fff;
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows .38s var(--ease);
}

html.js .faq-answer {
  grid-template-rows: 0fr;
}

html.js .faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-answer p {
  max-width: 610px;
  padding: 0 44px 22px 0;
  color: #6b7589;
  font-size: 13px;
  line-height: 1.85;
}

/* ---------- About ---------- */
.about-section {
  background: #f7f8fc;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 370px;
  align-items: start;
  gap: 48px;
}

.about-copy h2 {
  margin: 18px 0 18px;
  font-size: clamp(30px, 3.2vw, 41px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.035em;
}

.about-copy p {
  max-width: 720px;
  margin-bottom: 13px;
  color: var(--body);
  font-size: 14.5px;
  line-height: 1.9;
}

.keyword-chips {
  display: flex;
  margin-top: 20px;
  gap: 7px;
  flex-wrap: wrap;
}

.keyword-chips span {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: #788297;
  font-size: 10.5px;
}

.info-card {
  position: sticky;
  top: 106px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.info-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.info-icon {
  display: grid;
  width: 37px;
  height: 37px;
  place-items: center;
  border-radius: 10px;
  background: #f1ebff;
  color: #7c5cff;
}

.info-icon .icon {
  width: 17px;
  height: 17px;
}

.info-card-head > div {
  display: flex;
  flex-direction: column;
}

.info-card-head strong {
  font-size: 13px;
  font-weight: 750;
}

.info-card-head small {
  color: #a0a8b8;
  font-size: 7.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.info-list {
  padding: 7px 0 5px;
}

.info-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed #edf0f6;
}

.info-list dt {
  color: #727d93;
  font-size: 10.5px;
  white-space: nowrap;
}

.info-list dd {
  color: #374259;
  font-size: 10.5px;
  font-weight: 550;
  text-align: right;
}

.info-list dd a {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #5b5bf7;
}

.info-list dd .icon {
  width: 10px;
  height: 10px;
}

.info-card .btn {
  height: 44px;
  margin-top: 16px;
  font-size: 12px;
}

.info-updated {
  margin-top: 10px;
  color: #a5adbc;
  font-size: 9px;
  text-align: center;
}

/* ---------- Final CTA ---------- */
.final-cta {
  padding: 32px 0 104px;
  background: #f7f8fc;
}

.cta-panel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 58px 60px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 78% 20%, rgba(60, 178, 255, .28), transparent 38%),
    radial-gradient(circle at 10% 110%, rgba(160, 72, 237, .35), transparent 45%),
    linear-gradient(120deg, #0b1220 0%, #17163a 58%, #0b1730 100%);
  box-shadow: 0 50px 90px -46px rgba(16, 24, 50, .65);
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000, transparent 72%);
  mask-image: radial-gradient(ellipse at 60% 40%, #000, transparent 72%);
}

.cta-orb {
  position: absolute;
  top: -180px;
  right: 160px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(108, 99, 255, .25);
  filter: blur(70px);
}

.cta-copy {
  position: relative;
  z-index: 1;
  flex: 1;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #9ca9c9;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
}

.cta-eyebrow .icon {
  width: 13px;
  height: 13px;
  color: #a78bfa;
}

.cta-copy h2 {
  margin: 16px 0 13px;
  color: #fff;
  font-size: clamp(38px, 4.3vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.045em;
}

.cta-copy > p {
  max-width: 560px;
  color: #9aa7c2;
  font-size: 13.5px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  margin-top: 26px;
  gap: 10px;
  flex-wrap: wrap;
}

.cta-actions .btn {
  height: 50px;
  border-radius: 13px;
  font-size: 12.5px;
}

.cta-actions .btn .icon {
  width: 16px;
  height: 16px;
}

.cta-note {
  display: inline-flex;
  margin-top: 16px;
  align-items: center;
  gap: 5px;
  color: #75829f;
  font-size: 8.5px;
}

.cta-note .icon {
  width: 11px;
  height: 11px;
  color: #6ee7b7;
}

.cta-qr-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  width: 188px;
  flex: none;
  align-items: center;
  flex-direction: column;
  gap: 4px;
  padding: 17px 17px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(12px);
}

.cta-qr {
  width: 132px;
  height: 132px;
  padding: 8px;
  border-radius: 11px;
  background: #fff;
}

.cta-qr img {
  width: 100%;
  height: 100%;
  border-radius: 5px;
}

.cta-qr-wrap strong {
  margin-top: 5px;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.cta-qr-wrap > span {
  color: #8f9cb8;
  font-size: 8px;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  padding: 62px 0 24px;
  background: #080d19;
  color: #fff;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -260px;
  left: 12%;
  width: 600px;
  height: 400px;
  border-radius: 50%;
  background: rgba(108, 99, 255, .11);
  filter: blur(80px);
  pointer-events: none;
}

.footer-top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.55fr .85fr .85fr .85fr;
  gap: 48px;
  padding-bottom: 44px;
}

.brand-footer .brand-name {
  color: #fff;
}

.brand-footer .brand-name em {
  background: rgba(124, 92, 255, .2);
  color: #c4b5fd;
}

.brand-footer img {
  width: 44px;
  height: 44px;
}

.footer-brand > p {
  max-width: 330px;
  margin-top: 18px;
  color: #7b89a5;
  font-size: 12.5px;
  line-height: 1.85;
}

.footer-badges {
  display: flex;
  margin-top: 19px;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-badges span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 6px;
  color: #8d9bb7;
  font-size: 9px;
}

.footer-badges .icon {
  width: 11px;
  height: 11px;
  color: #6ee7b7;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col h3 {
  margin-bottom: 5px;
  color: #e6ebf6;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .03em;
}

.footer-col a {
  width: fit-content;
  color: #7e8ca8;
  font-size: 11.5px;
  line-height: 1.6;
  transition: color .2s, transform .2s;
}

.footer-col a:hover {
  color: #fff;
  transform: translateX(2px);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  flex-wrap: wrap;
}

.footer-bottom p {
  color: #64728e;
  font-size: 10px;
}

.footer-disclaimer {
  max-width: 430px;
  color: #71809c !important;
  font-size: 10px !important;
  text-align: center;
}

.footer-legal {
  display: flex;
  gap: 15px;
}

.footer-legal a {
  color: #71809c;
  font-size: 10px;
  transition: color .2s;
}

.footer-legal a:hover {
  color: #fff;
}

/* ---------- Mobile dock / back to top / toast ---------- */
.mobile-dock {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(20, 29, 56, .08);
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 -12px 30px -22px rgba(16, 24, 40, .45);
  backdrop-filter: blur(18px);
}

.mobile-dock-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1px;
}

.mobile-dock-copy strong {
  font-size: 12.5px;
  font-weight: 700;
}

.mobile-dock-copy span {
  color: #8a93a7;
  font-size: 9.5px;
}

.mobile-dock .btn {
  height: 42px;
  padding: 0 20px;
  border-radius: 11px;
  font-size: 12px;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 79;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .92);
  color: #4c576d;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s, visibility .25s, background .2s;
  backdrop-filter: blur(10px);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-to-top:hover {
  background: #fff;
  color: #5b5bf7;
}

.back-to-top .icon {
  width: 18px;
  height: 18px;
  transform: rotate(-90deg);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  z-index: 200;
  max-width: calc(100% - 40px);
  padding: 11px 18px;
  border-radius: 10px;
  background: rgba(11, 18, 32, .92);
  color: #fff;
  font-size: 11.5px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity .25s, transform .25s, visibility .25s;
  backdrop-filter: blur(10px);
}

.toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ---------- Reveal & animations ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
  transition-delay: var(--delay, 0s);
  will-change: opacity, transform;
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes float {
  from {
    transform: translateY(-4px);
  }
  to {
    transform: translateY(7px);
  }
}

@keyframes orbit-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes live-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(52, 211, 153, .1);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(52, 211, 153, .04);
  }
}

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

  html.js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1160px) {
  .main-nav {
    gap: 22px;
  }

  .hero-grid-layout {
    grid-template-columns: minmax(0, 1fr) minmax(430px, .96fr);
    gap: 14px;
  }

  .hero-title-sub {
    font-size: clamp(39px, 4.2vw, 60px);
  }

  .score-float {
    left: -34px;
  }

  .transfer-float {
    right: -16px;
  }

  .speed-float {
    left: -34px;
  }

  .platform-list {
    gap: 8px;
  }

  .platform-list li > span:last-child {
    font-size: 11px;
  }

  .experience-layout {
    gap: 36px;
  }

  .download-layout {
    grid-template-columns: minmax(0, 1fr) 288px;
  }

  .download-card {
    padding: 22px;
  }
}

@media (max-width: 1024px) {
  .section {
    padding: 92px 0;
  }

  .hero-grid-layout {
    grid-template-columns: minmax(0, 1fr) 420px;
    min-height: 560px;
  }

  .hero-visual {
    min-height: 580px;
  }

  .phone {
    width: 274px;
  }

  .phone-screen {
    height: 556px;
  }

  .score-float {
    top: 76px;
    left: -18px;
    transform-origin: left center;
  }

  .transfer-float {
    right: -8px;
  }

  .speed-float {
    bottom: 64px;
    left: -12px;
  }

  .float-card {
    display: none;
  }

  .platform-strip {
    gap: 20px;
    padding: 17px 20px;
  }

  .platform-strip-title {
    min-width: 112px;
    padding-right: 20px;
  }

  .platform-icon {
    width: 32px;
    height: 32px;
  }

  .platform-list li > span:last-child {
    font-size: 10.5px;
  }

  .stats-panel {
    grid-template-columns: 1.1fr repeat(4, 1fr);
    gap: 14px;
    padding: 32px 28px;
  }

  .stats-copy h2 {
    font-size: 20px;
  }

  .stat-item {
    padding-left: 16px;
  }

  .stat-item strong {
    font-size: 29px;
  }

  .feature-verify {
    grid-column: span 12;
    min-height: 350px;
  }

  .feature-verify .feature-content {
    max-width: 55%;
  }

  .feature-verify .feature-visual {
    width: 280px;
  }

  .feature-flash {
    grid-column: span 12;
    min-height: 300px;
  }

  .feature-flash .feature-content {
    max-width: 58%;
  }

  .feature-flash .feature-visual {
    position: absolute;
    right: 30px;
    bottom: 28px;
    width: 250px;
    padding: 0;
  }

  .feature-card:nth-child(3),
  .feature-card:nth-child(4),
  .feature-card:nth-child(5) {
    grid-column: span 4;
  }

  .experience-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .experience-copy > p {
    max-width: 620px;
  }

  .experience-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .experience-tab {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .tab-chevron {
    display: none;
  }

  .experience-stage {
    min-height: 540px;
  }

  .download-layout {
    grid-template-columns: 1fr;
  }

  .download-aside {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: stretch;
  }

  .detect-card {
    min-height: 100%;
  }

  .qr-card,
  .secure-card {
    min-height: 100%;
  }

  .secure-card {
    align-items: flex-start;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .info-card {
    position: static;
    max-width: 520px;
  }

  .faq-layout {
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: 1.4fr .8fr .8fr .8fr;
    gap: 30px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 66px;
  }

  .container {
    width: min(var(--container), calc(100% - 40px));
  }

  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-download {
    display: none;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-grid-layout {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: 0;
  }

  .hero-copy {
    max-width: 680px;
    align-self: auto;
    padding: 6px 0 4px;
  }

  .hero-title-sub {
    font-size: clamp(46px, 7.4vw, 64px);
  }

  .hero-lead {
    max-width: 620px;
  }

  .hero-visual {
    min-height: 620px;
    margin-top: 8px;
  }

  .float-card {
    display: block;
  }

  .score-float {
    top: 70px;
    left: 60px;
  }

  .transfer-float {
    top: auto;
    right: 30px;
    bottom: 34px;
  }

  .speed-float {
    bottom: 58px;
    left: 60px;
  }

  .orbit-one {
    width: 520px;
    height: 520px;
  }

  .orbit-two {
    width: 650px;
    height: 650px;
  }

  .platform-strip {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-top: 22px;
  }

  .platform-strip-title {
    min-width: 0;
    padding: 0 0 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .platform-list {
    flex: none;
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 16px 26px;
  }

  .platform-list li {
    width: calc(33.333% - 18px);
    flex: 0 0 auto;
  }

  .stats-panel {
    grid-template-columns: 1fr 1fr;
    gap: 24px 20px;
    padding: 32px;
  }

  .stats-copy {
    grid-column: 1 / -1;
  }

  .stats-copy h2 br {
    display: none;
  }

  .stat-item:nth-child(2),
  .stat-item:nth-child(4) {
    border-left: 0;
    padding-left: 0;
  }

  .stat-item:nth-child(3) {
    border-left: 1px solid rgba(255, 255, 255, .13);
  }

  .bento {
    gap: 16px;
  }

  .feature-card:nth-child(3),
  .feature-card:nth-child(4),
  .feature-card:nth-child(5) {
    grid-column: span 6;
  }

  .feature-card:nth-child(5) {
    grid-column: span 12;
    min-height: 260px;
  }

  .ring-visual {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .waveform {
    flex: 1;
  }

  .ring-file {
    width: 220px;
    flex: none;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step-card {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 0 18px;
    padding: 26px;
  }

  .step-icon {
    grid-row: 1 / 3;
    width: 48px;
    height: 48px;
  }

  .step-card h3 {
    margin: 0 0 5px;
  }

  .step-card p {
    grid-column: 2;
  }

  .step-tag {
    grid-column: 2;
    width: fit-content;
    margin-top: 11px;
  }

  .step-number {
    font-size: 48px;
  }

  .guide-tip {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .guide-tip .text-link {
    margin-left: 52px;
  }

  .article-grid {
    grid-template-columns: 1fr 1fr;
  }

  .article-card:last-child {
    grid-column: span 2;
  }

  .article-card:last-child .article-cover img {
    aspect-ratio: 32 / 9;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .faq-copy {
    position: static;
  }

  .faq-copy > p {
    max-width: 620px;
  }

  .support-card {
    max-width: 440px;
  }

  .cta-panel {
    align-items: flex-start;
    flex-direction: column;
    padding: 42px 34px;
    gap: 28px;
  }

  .cta-qr-wrap {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 76px 0;
  }

  .section-head {
    margin-bottom: 34px;
  }

  .section-head h2 {
    font-size: clamp(29px, 7vw, 38px);
  }

  .section-head p {
    font-size: 14px;
  }

  .section-head-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .topbar p > span:not(.topbar-badge) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .topbar p {
    gap: 6px;
    font-size: 11px;
  }

  .topbar a {
    display: none;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand img {
    width: 37px;
    height: 37px;
  }

  .hero {
    padding-top: 34px;
  }

  .hero h1 {
    margin-top: 19px;
  }

  .hero-title-sub {
    font-size: clamp(34px, 8.8vw, 56px);
  }

  .hero-lead {
    font-size: 14.5px;
    line-height: 1.8;
  }

  .hero-cta {
    margin-top: 24px;
    flex-direction: column;
    align-items: stretch;
  }

  .btn-hero,
  .btn-hero-secondary {
    width: 100%;
    height: 60px;
  }

  .btn-hero .btn-arrow {
    margin-left: auto;
  }

  .hero-trust {
    gap: 12px 16px;
  }

  .hero-visual {
    min-height: 580px;
    transform: scale(.94);
    transform-origin: center top;
    margin-bottom: -32px;
  }

  .float-card {
    scale: .9;
  }

  .score-float {
    top: 50px;
    left: 10px;
  }

  .speed-float {
    bottom: 52px;
    left: 10px;
  }

  .transfer-float {
    top: auto;
    right: 10px;
    bottom: 40px;
  }

  .orb-violet,
  .orb-blue {
    opacity: .55;
  }

  .platform-list li {
    width: calc(50% - 14px);
  }

  .platform-strip {
    margin-top: 0;
  }

  .stats-section {
    padding-top: 10px;
  }

  .stats-panel {
    padding: 28px 24px;
  }

  .stat-item strong {
    font-size: 27px;
  }

  .feature-verify,
  .feature-flash,
  .feature-card:nth-child(3),
  .feature-card:nth-child(4),
  .feature-card:nth-child(5) {
    grid-column: span 12;
  }

  .feature-card {
    min-height: 0;
    padding: 26px;
  }

  .feature-verify {
    min-height: 500px;
  }

  .feature-verify .feature-content,
  .feature-flash .feature-content {
    max-width: none;
  }

  .feature-verify .feature-visual {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: 310px;
    margin: 26px auto 0;
  }

  .feature-flash {
    min-height: 0;
  }

  .feature-flash .feature-visual {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 20px;
  }

  .feature-card:nth-child(3),
  .feature-card:nth-child(4) {
    min-height: 260px;
  }

  .feature-card:nth-child(5) {
    min-height: 250px;
  }

  .ring-visual {
    flex-direction: column;
    align-items: stretch;
  }

  .ring-file {
    width: 100%;
  }

  .app-visual {
    margin-top: 22px;
  }

  .experience-tabs {
    grid-template-columns: 1fr;
  }

  .experience-tab {
    align-items: center;
    flex-direction: row;
    padding: 13px;
  }

  .experience-stage {
    min-height: 0;
    border-radius: 24px;
    padding: 10px;
  }

  .experience-panel {
    min-height: 0;
    padding: 14px;
    border-radius: 17px;
  }

  .demo-score-row {
    gap: 14px;
  }

  .score-ring {
    width: 86px;
    height: 86px;
  }

  .score-ring b {
    font-size: 24px;
  }

  .demo-check-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .storage-overview {
    gap: 18px;
  }

  .storage-ring {
    width: 100px;
    height: 100px;
  }

  .download-tabs {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
    overflow: visible;
    justify-content: stretch;
  }

  .download-tab {
    flex: none;
    height: 40px;
    justify-content: center;
    padding: 0 10px;
  }

  .download-panel {
    grid-template-columns: 1fr;
  }

  .download-card {
    min-height: 0;
    padding: 24px;
  }

  .download-aside {
    grid-template-columns: 1fr;
  }

  .qr-card,
  .secure-card {
    min-height: 0;
  }

  .download-note {
    justify-content: flex-start;
    gap: 12px 20px;
  }

  .steps {
    gap: 14px;
  }

  .guide-tip .text-link {
    margin-left: 0;
  }

  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-card:last-child {
    grid-column: auto;
  }

  .article-card:last-child .article-cover {
    display: block;
  }

  .article-card:last-child .article-cover img {
    aspect-ratio: 16 / 9;
  }

  .about-layout {
    gap: 26px;
  }

  .about-copy h2 {
    font-size: clamp(28px, 7vw, 35px);
  }

  .cta-panel {
    padding: 34px 26px;
    border-radius: 26px;
  }

  .cta-copy h2 {
    font-size: clamp(34px, 9vw, 44px);
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .final-cta {
    padding-bottom: 80px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .footer-disclaimer {
    text-align: left;
  }

  .mobile-dock {
    display: flex;
  }

  body {
    padding-bottom: 70px;
  }

  .back-to-top {
    right: 16px;
    bottom: 82px;
  }

  .toast {
    bottom: 90px;
  }
}

@media (max-width: 520px) {  .container {
    width: calc(100% - 32px);
  }

  .topbar-inner {
    min-height: 36px;
  }

  .hero-title-sub {
    font-size: clamp(31px, 8.5vw, 40px);
  }

  .hero-visual {
    min-height: 520px;
    transform: scale(.86);
    margin-bottom: -44px;
  }

  .float-card {
    display: none;
  }

  .platform-list li {
    width: calc(50% - 10px);
  }

  .platform-list {
    gap: 12px 20px;
  }

  .platform-icon {
    width: 30px;
    height: 30px;
  }

  .stats-panel {
    grid-template-columns: 1fr 1fr;
    padding: 24px 20px;
  }

  .stat-item strong {
    font-size: 24px;
  }

  .stat-item p {
    font-size: 10px;
  }

  .feature-icon,
  .step-icon {
    width: 44px;
    height: 44px;
    border-radius: 13px;
  }

  .feature-content h3 {
    font-size: 19px;
  }

  .feature-card {
    padding: 23px;
  }

  .demo-score-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .score-copy p {
    max-width: none;
  }

  .storage-overview {
    align-items: flex-start;
    flex-direction: column;
  }

  .storage-summary {
    width: 100%;
  }

  .flash-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .flash-ring {
    width: 100px;
    height: 100px;
  }

  .download-card {
    padding: 21px;
  }

  .download-specs li {
    align-items: flex-start;
    font-size: 11px;
  }

  .download-specs .icon {
    margin-top: 3px;
  }

  .step-card {
    grid-template-columns: 44px 1fr;
    padding: 22px;
  }

  .step-card p {
    grid-column: 1 / -1;
    margin-top: 10px;
  }

  .step-tag {
    grid-column: 1 / -1;
    margin-left: 0;
  }

  .step-icon {
    grid-row: auto;
  }

  .step-number {
    font-size: 42px;
  }

  .faq-question {
    padding: 19px 0;
  }

  .faq-question span {
    font-size: 14px;
  }

  .faq-answer p {
    padding-right: 30px;
    font-size: 12px;
  }

  .keyword-chips span {
    font-size: 9px;
  }

  .info-card {
    padding: 21px;
  }

  .cta-panel {
    padding: 30px 22px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px 20px;
  }

  .footer-brand > p {
    font-size: 10.5px;
  }

  .mobile-dock-copy span {
    font-size: 9.5px;
  }
}

@media (max-width: 340px) {
  .hero-title-sub {
    font-size: 28px;
  }

  .hero-badge {
    gap: 6px;
    font-size: 10.5px;
  }

  .hero-badge-sep {
    display: none;
  }

  .download-tab {
    font-size: 11px;
  }
}