:root {
  color-scheme: light;
  --bg: #f7f7fa;
  --ink: #232332;
  --muted: #686777;
  --accent: #7a40fb;
  --accent-dark: #5a26ce;
  --line: #e3e2e9;
  --chrome: #242329;
  --header-offset: 86px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
html { scroll-padding-block-start: var(--header-offset); }
body { margin: 0; font-size: 15px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
button, select { cursor: pointer; font: inherit; color: inherit; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-dark); }
button:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible, [tabindex="-1"]:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
h1, h2, p { margin: 0; }
.wrap { width: min(912px, 84%); margin-inline: auto; }
.symbols { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { flex: none; width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: fixed; z-index: 21; top: -80px; inset-inline-start: 14px; background: white; padding: 8px 14px; }
.skip:focus { top: 10px; }

.masthead { position: sticky; top: 0; z-index: 20; color: #fff; background: var(--chrome); box-shadow: 0 1px 0 #17171a; }
.header-inner { width: 100%; min-height: 66px; padding-inline: clamp(16px,3vw,48px); display: flex; align-items: center; gap: clamp(18px,3vw,48px); }
.brand { flex: none; display: inline-flex; align-items: center; width: fit-content; gap: 10px; color: #fff; font-size: 21px; font-weight: 720; letter-spacing: -.9px; text-decoration: none; }
.brand:hover { color: #fff; }
.brand img { border-radius: 24%; }
.main-nav { display: flex; align-items: center; gap: clamp(14px,2vw,30px); }
.main-nav a, .language { font-size: 13px; font-weight: 550; line-height: 1.35; }
.main-nav a { color: #dcdbe2; text-decoration: none; padding-block: 11px; }
.main-nav a:hover, .main-nav a:focus-visible { color: #fff; text-decoration: underline; text-decoration-color: #bd9dff; text-underline-offset: 5px; }
.header-actions { min-width: 0; margin-inline-start: auto; display: flex; align-items: center; gap: 9px; }
.language-wrap { position: relative; display: inline-flex; align-items: center; color: #eeeef2; min-width: 0; }
.language { color-scheme: dark; appearance: none; width: 100%; max-width: 11em; min-height: 35px; padding-block: 6px; padding-inline: 10px 25px; color: #f5f5f8; background: #35343c; border: 1px solid #4f4e58; border-radius: 8px; }
.language-wrap::after { content: ""; position: absolute; inset-inline-end: 11px; top: 42%; width: 5px; height: 5px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); pointer-events: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid transparent; border-radius: 8px; padding: 7px 13px; min-height: 35px; font-size: 13px; font-weight: 620; line-height: 1.35; text-decoration: none; }
.primary { background: var(--accent); color: white; }
.primary:hover { background: #6e32ed; color: white; }
.masthead :focus-visible, .footer :focus-visible { outline-color: #d9c7ff; }

.intro {
  display: grid; justify-items: center; gap: clamp(14px,1.7vw,20px);
  padding-block: clamp(32px,4.5vw,48px);
}
#intro-caption {
  text-align: center; font-size: clamp(21px,2.4vw,28px); font-weight: 650; line-height: 1.3;
  text-wrap: balance;
}
.intro-route {
  --logo-size: clamp(80px,10vw,112px);
  width: fit-content; margin-inline: auto; display: grid;
  grid-template-columns: var(--logo-size) clamp(56px,8vw,90px) var(--logo-size);
  align-items: center; gap: clamp(10px,1.5vw,16px);
}
.intro-tile {
  position: relative; display: block; width: 100%; aspect-ratio: 1; overflow: hidden;
  border-radius: 22.5%; background: white;
}
.intro-tile img { display: block; width: 100%; height: 100%; object-fit: contain; }
.intro-tile::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  border: 1px solid rgb(36 28 51 / 18%); pointer-events: none;
}
.intro-connector {
  position: relative; display: flex; align-items: center; min-height: 44px;
  color: var(--accent);
}
.intro-connector::before {
  content: ""; flex: 1; height: 2px;
  background: linear-gradient(to right,#bda4f6,var(--accent));
  mask-image: repeating-linear-gradient(to right,#000 0 5px,transparent 5px 9px);
}
.intro-direction { flex: none; width: 18px; height: auto; }
[dir="rtl"] .intro-connector::before, [dir="rtl"] .intro-direction { transform: scaleX(-1); }
#intro-toggle {
  position: absolute; inset: 0; display: grid; place-items: center;
  padding: 0; color: var(--accent-dark); background: transparent; border: 0; border-radius: 6px;
}
#intro-toggle svg {
  position: absolute; top: calc(50% + 14px); width: 22px; height: 22px; padding: 3px;
  opacity: 0;
}
#intro-toggle:hover svg, #intro-toggle:focus-visible svg, #intro-toggle[data-paused="true"] svg { opacity: 1; }
#intro-toggle .intro-play, #intro-toggle[data-paused="true"] .intro-pause { display: none; }
#intro-toggle[data-paused="true"] .intro-play { display: block; }
.platform-panel { padding: clamp(17px,2.5vw,28px); background: #fff; border: 1px solid #dedde6; border-radius: 20px; box-shadow: 0 4px 18px #26203705, 0 1px 2px #26203704; }
.panel-heading { padding-bottom: 21px; }
.panel-heading h1, .panel-heading h2 { font-size: clamp(23px,2.7vw,32px); line-height: 1.25; font-weight: 670; letter-spacing: -.035em; }
.panel-heading p { margin-top: 6px; color: var(--muted); line-height: 1.5; font-size: 14px; }
.service-grid { display: grid; gap: 10px; grid-template-columns: repeat(5,minmax(0,1fr)); }
.service-card {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start;
  width: 100%; min-height: 106px; padding: 15px; gap: 12px; text-align: start;
  border: 1px solid var(--line); border-color: color-mix(in srgb,var(--tint) 12%,#e8e7eb);
  border-radius: 12px; background: #f7f6f9; background: color-mix(in srgb,var(--tint) 4.7%,#fcfbfd);
  transition: background-color .14s, border-color .14s, transform .14s;
}
.service-card img { width: 37px; height: 37px; object-fit: contain; border-radius: 23%; }
.service-name { font-size: 14px; line-height: 1.3; letter-spacing: -.02em; font-weight: 620; overflow-wrap: anywhere; }
.service-card:hover { border-color: color-mix(in srgb,var(--tint) 46%,#b7b2c4); background: color-mix(in srgb,var(--tint) 8%,white); transform: translateY(-2px); }
.service-card:active { transform: translateY(0); }
.flow-arrow { display: grid; place-items: center; margin: 18px auto; width: 53px; height: 79px; border-radius: 30px; background: #eee9f8; color: var(--accent); }
.flow-arrow svg { display: block; width: 34px; height: 59px; }

.download-panel {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; align-content: center; justify-items: start; gap: 28px;
  min-height: 270px; margin-block-start: 32px; padding: clamp(32px,4.5vw,52px);
  border-radius: 24px; color: #fff; background: linear-gradient(115deg,#32205b,#53289e 70%,#6d3dca);
}
.download-panel::before {
  content: ""; position: absolute; z-index: -1; pointer-events: none;
  inset-inline-end: -100px; top: 50%; transform: translateY(-50%);
  width: 360px; height: 360px; border-radius: 50%; border: 1px solid #d7c0ff40;
  background: radial-gradient(circle,#432777 0 5px,#b28aee 6px 9px,#a37ae0 10px 39px,#613594 40px 43px,transparent 44px),
              repeating-radial-gradient(circle,transparent 0 8px,#e0d0ff38 9px,transparent 10px 15px),
              linear-gradient(140deg,#b082ef3d,#341c6630);
}
.download-intro { display: flex; align-items: center; gap: 20px; max-width: 76%; }
.download-app-icon { width: 82px; height: 82px; flex: none; border-radius: 24%; box-shadow: 0 0 0 1px #fff3,0 8px 20px #24124340; }
.download-intro h2 { font-size: clamp(32px,3.6vw,43px); font-weight: 720; line-height: 1.12; letter-spacing: -.04em; }
.download-intro p { margin-top: 9px; color: #e8def8; font-size: 16px; line-height: 1.5; }
.store-links { display: flex; flex-wrap: wrap; gap: 12px; }
.store-links a {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 60px; min-width: 184px; padding: 12px 24px; border-radius: 13px; background: #fff;
  color: #241d31; font-size: 19px; font-weight: 650; line-height: 1.2; text-decoration: none; white-space: nowrap;
}
.store-links a:hover { color: #38205e; background: #f1eafa; }
.store-links a:focus-visible { outline-color: #fff; }
.store-links svg { flex: none; width: 29px; height: 29px; }

.questions { display: grid; grid-template-columns: 1fr 2fr; gap: 36px; padding-block: 46px 56px; }
.questions-intro h2 { font-size: 23px; letter-spacing: -.04em; }
.questions-intro a { display: inline-flex; align-items: center; gap: 4px; margin-top: 9px; color: var(--accent-dark); font-size: 13px; font-weight: 560; text-decoration: none; }
.questions-intro a:hover { text-decoration: underline; }
.questions-intro .icon, .footer-main .icon { width: 13px; height: 13px; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; cursor: pointer; list-style: none; padding: 13px 0; font-size: 14px; font-weight: 570; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 17px; color: #796f84; }
details[open] summary::after { content: "−"; }
details p, .guides { color: var(--muted); margin-block: 0 16px; margin-inline: 0 14px; font-size: 14px; }
.guides { padding-inline-start: 1.2em; }
.guides li + li { margin-top: 5px; }

.footer { background: var(--chrome); color: #f4f3f6; }
.footer-main { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding-block: 32px 26px; }
.footer .brand { font-size: 19px; }
.footer-main nav { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.footer-main h2 { margin-bottom: 3px; font-size: 12px; color: #fff; font-weight: 650; }
.footer-main nav a { display: inline-flex; align-items: center; gap: 4px; color: #dcdbe2; text-decoration: none; font-size: 13px; }
.footer-main .icon { color: #b6b2c2; }
.footer a:hover { color: white; text-decoration: underline; }
.credits { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 9px; border-top: 1px solid #45434d; padding-block: 15px 18px; font-size: 12px; color: #c6c4ce; }
.credits div { display: flex; flex-wrap: wrap; gap: 15px; }
.credits a { text-decoration: none; }

.platform-dialog {
  inline-size: min(600px,calc(100% - 32px));
  block-size: min(744px,86vh); block-size: min(744px,86dvh);
  max-block-size: calc(100dvh - 24px); overflow: auto; overscroll-behavior: contain; padding: 0;
  color: var(--ink); background: #fff; border: 1px solid #dfdde6; border-radius: 24px;
  box-shadow: 0 20px 90px #1d172d38, 0 2px 9px #1d172d17;
}
.platform-dialog[open] { display: flex; flex-direction: column; }
.platform-dialog[data-mode="library"] { background: #f7f7f9; }
.platform-dialog::backdrop { background: #24222970; }
.dialog-header {
  position: sticky; top: 0; z-index: 1; flex: none; display: grid; grid-template-columns: 36px minmax(0,1fr) 36px;
  align-items: center; gap: 9px; min-height: 60px; padding: 10px 17px; border-bottom: 1px solid var(--line); background: #fff;
}
.dialog-header h2 { text-align: center; font-size: 16px; font-weight: 650; line-height: 1.3; overflow-wrap: anywhere; }
.dialog-close { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border-radius: 50%; border: 0; color: #585560; background: transparent; }
.dialog-close:hover { background: #f0eef4; }
.dialog-close svg { width: 19px; height: 19px; }
.dialog-identity { flex: none; padding: clamp(24px,5vh,52px) 20px 23px; text-align: center; }
.dialog-art { position: relative; width: 76px; height: 76px; margin-inline: auto; }
.dialog-link-icon { width: 100%; height: 100%; color: var(--accent); }
.dialog-icon { display: block; width: 100%; height: 100%; object-fit: contain; border-radius: 23%; }
[data-mode="library"] .dialog-link-icon { display: none; }
[data-mode="link"] .dialog-icon { position: absolute; inset-inline-end: -3px; bottom: -2px; width: 29px; height: 29px; border: 3px solid white; border-radius: 32%; background: white; }
.dialog-service { margin-top: 12px; font-size: 16px; font-weight: 630; line-height: 1.35; overflow-wrap: anywhere; }
.mode-tabs { flex: none; display: grid; grid-template-columns: 1fr 1fr; padding: 3px; margin: 0 24px; border: 1px solid #dedde4; border-radius: 10px; background: #eae9ee; }
.mode-tabs [role="tab"] { min-width: 0; padding: 9px; border: 1px solid transparent; border-radius: 7px; font-size: 13px; line-height: 1.3; font-weight: 550; color: #5d5a67; background: transparent; overflow-wrap: anywhere; }
.mode-tabs [role="tab"][aria-selected="true"] { border-color: #d9d7de; background: white; color: #35313f; box-shadow: 0 1px 3px #211b2912; font-weight: 650; }
.mode-content { flex: 1 0 auto; display: grid; place-items: center; min-height: 110px; margin: 17px 24px 24px; padding: 20px; color: var(--muted); text-align: center; font-size: 14px; }
[data-mode="library"] .mode-content { background: white; border-radius: 16px; }
.mode-content p { display: inline-flex; gap: 8px; align-items: center; line-height: 1.5; }
.mode-content p::before { content: ""; height: 6px; width: 6px; border-radius: 50%; background: var(--accent); }

.platform-dialog[data-mode="link"] .dialog-service { display: none; }
.link-panel { margin: 20px 24px 32px; text-align: start; }
#playlist-link {
  display: block; width: 100%; min-height: 50px; max-height: 130px; field-sizing: content; resize: vertical;
  padding: 13px 16px; border: 1px solid transparent; border-radius: 13px;
  color: var(--ink); background: #f2f1f4; font: inherit; font-size: 16px; line-height: 1.45;
}
#playlist-link::placeholder { color: #696672; opacity: 1; }
#playlist-link:focus-visible { border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: 1px; }
.link-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-block-start: 12px; }
.link-actions button {
  min-height: 35px; padding: 6px 15px; border: 0; border-radius: 99px;
  font-size: 14px; font-weight: 600; line-height: 1.35;
}
#link-paste { background: #e3eeff; color: #1555a8; }
#link-clear { background: #ffe7e9; color: #ab3041; }
#link-paste:hover { background: #d3e5ff; }
#link-clear:hover { background: #ffdbdf; }
#link-read {
  display: block; width: 100%; min-height: 48px; margin-block-start: 28px; padding: 11px 18px;
  border: 0; border-radius: 99px; background: var(--accent); color: #fff;
  font-size: 16px; font-weight: 650; line-height: 1.4;
}
#link-read:hover { background: #6e32ed; }
#link-status:not(:empty) {
  margin-block-start: 10px; padding: 8px 12px; border-radius: 9px; color: var(--accent-dark);
  background: #f4efff; text-align: center; font-size: 14px; line-height: 1.5;
}
.link-guide { margin-block-start: 28px; }
.link-guide h3 { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 14px; line-height: 1.45; }
#guide-platform { display: inline-flex; align-items: center; gap: 9px; min-height: 38px; margin-block: 9px; font-size: 14px; font-weight: 600; }
#guide-platform[href] { color: var(--accent-dark); }
#guide-platform:not([href]) { color: var(--ink); text-decoration: none; }
#guide-platform-icon { flex: none; border-radius: 22%; }
#guide-steps { margin: 0; padding-inline-start: 1.5em; color: var(--muted); font-size: 14px; line-height: 1.55; overflow-wrap: anywhere; }
#guide-steps li + li { margin-block-start: 5px; }
@media (min-width: 521px) and (min-height: 650px) {
  .platform-dialog[data-mode="link"] .dialog-identity { padding-block: 52px 30px; }
  .platform-dialog[data-mode="link"] .dialog-art { width: 88px; height: 88px; }
}

@media (max-width: 920px) {
  .service-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
}
@media (max-width: 880px) {
  :root { --header-offset: 120px; }
  .header-inner { flex-wrap: wrap; gap: 3px 12px; padding-block: 10px 0; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; gap: 19px; }
  .main-nav a { flex: none; white-space: nowrap; padding-block: 9px; }
}
@media (max-width: 720px) {
  .wrap { width: 89%; }
  .header-inner { width: 100%; }
  .service-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .questions { grid-template-columns: 1fr 1.8fr; gap: 24px; }
  .download-intro { max-width: 100%; }
  .download-panel::before { inset-inline-end: -200px; opacity: .45; }
}
@media (max-width: 600px) {
  .questions { grid-template-columns: 1fr; gap: 13px; padding-block: 30px 36px; }
  .questions-intro { display: flex; align-items: center; justify-content: space-between; gap: 9px; }
  .questions-intro a { margin: 0; }
}
@media (max-width: 520px) {
  .wrap { width: calc(100% - 32px); }
  .header-inner { width: 100%; gap: 1px 6px; }
  .brand { font-size: 18px; gap: 7px; }
  .brand img { width: 29px; height: 29px; }
  .header-actions { gap: 6px; }
  .language { padding-inline: 8px 18px; max-width: 8em; }
  .nav-app .icon { display: none; }
  .language-wrap::after { inset-inline-end: 6px; }
  .nav-app { padding: 6px 8px; font-size: 12px; }
  .main-nav { gap: 16px; }
  .platform-panel { border-radius: 14px; padding: 14px; }
  .panel-heading { padding-bottom: 15px; }
  .panel-heading h1, .panel-heading h2 { font-size: 23px; }
  .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .service-card { min-height: 89px; padding: 11px; gap: 9px; border-radius: 9px; }
  .service-card img { width: 32px; height: 32px; }
  .service-name { font-size: 13px; }
  .flow-arrow { width: 43px; height: 62px; margin-block: 12px; }
  .flow-arrow svg { width: 28px; height: 47px; }
  .download-panel { margin-block-start: 22px; padding: 28px 22px; gap: 22px; border-radius: 18px; }
  .download-panel::before { inset-inline-end: -214px; top: 25%; opacity: .3; }
  .download-intro { align-items: flex-start; flex-direction: column; gap: 16px; }
  .download-app-icon { width: 62px; height: 62px; }
  .download-intro h2 { font-size: 32px; overflow-wrap: anywhere; }
  .download-intro p { font-size: 15px; }
  .store-links { width: 100%; display: grid; grid-template-columns: repeat(auto-fit,minmax(min(148px,100%),1fr)); gap: 10px; }
  .store-links a { min-width: 0; min-height: 56px; padding-inline: 10px; font-size: 17px; }
  .footer-main { gap: 22px; padding-block: 26px 22px; }
  .platform-dialog { inline-size: calc(100% - 22px); border-radius: 19px; }
  .dialog-header { padding-inline: 12px; min-height: 55px; }
  .mode-tabs { margin-inline: 15px; }
  .mode-content { margin: 14px 15px 16px; }
  .link-panel { margin: 16px 15px 24px; }
  .link-actions button { min-height: 40px; }
  #link-read, .link-guide { margin-block-start: 22px; }
}
@media (max-height: 480px) {
  .dialog-identity { padding-block: 12px; }
  .dialog-art { width: 48px; height: 48px; }
  [data-mode="link"] .dialog-icon { width: 23px; height: 23px; }
  .dialog-service { margin-top: 5px; }
  .mode-content { min-height: 65px; margin-block: 10px; padding-block: 9px; }
}
@media (max-width: 369px) {
  :root { --header-offset: 145px; }
  .header-inner { padding-inline: 10px; }
  .header-actions { max-width: 100%; }
  .brand { font-size: 16px; gap: 5px; }
}
[dir="rtl"] .service-name, [dir="rtl"] h1, [dir="rtl"] h2 { letter-spacing: normal; }
@media (prefers-reduced-motion: reduce) { .service-card { transition: none; } }