:root {
  color-scheme: dark;
  --bg: #090A0D;
  --bg-2: #0C0D11;
  --card: #121419;
  --card-2: #171A21;
  --line: rgba(245, 241, 232, 0.08);
  --line-2: rgba(245, 241, 232, 0.14);
  --text: #F5F1E8;
  --text-2: #B8B1A4;
  --text-3: #8E887C;
  --gold: #F8B84E;
  --gold-hi: #FFD58A;
  --gold-lo: #E39A35;
  --gold-dim: rgba(248, 184, 78, 0.14);
  --green: #32D583;
  --maxw: 1120px;
  --gutter: 16px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
html[lang="zh-Hans"] {
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI", sans-serif;
  --font-display: var(--font);
}
@media (min-width: 600px) { :root { --gutter: 24px; } }
@media (min-width: 1000px) { :root { --gutter: 40px; } }
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3 { font-family: var(--font-display); color: var(--text); font-weight: 700; }
p { margin: 0 0 1em; }
p, li, dd, figcaption { text-wrap: pretty; }
html[lang="zh-Hans"] p, html[lang="zh-Hans"] li, html[lang="zh-Hans"] dd { line-height: 1.8; }
a { color: var(--gold); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gold-hi); }
img, svg { max-width: 100%; }
strong { color: var(--text); font-weight: 600; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(248, 184, 78, .32); color: #fff; }
.sr-only { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; z-index: 100; left: 12px; top: -60px; padding: 10px 16px; border-radius: 10px; background: var(--gold); color: #141005; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; color: #141005; }
.wrap {
  width: 100%; max-width: calc(var(--maxw) + var(--gutter) * 2); margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
}
.narrow { max-width: calc(860px + var(--gutter) * 2); }
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(9, 10, 13, .78);
  -webkit-backdrop-filter: saturate(160%) blur(20px); backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.bar { position: relative; display: flex; align-items: center; gap: 28px; min-height: 56px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none;
  font-family: var(--font-display); font-size: 18px; font-weight: 650; letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand img { width: 28px; height: 28px; border-radius: 7px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .07); }
.nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav a { color: var(--text-2); font-size: 14px; text-decoration: none; transition: color .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.bar-end { display: flex; align-items: center; gap: 6px; }
.lang-pill {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px 0 10px;
  border: 1px solid var(--line-2); border-radius: 999px; color: var(--text);
  font-size: 13px; text-decoration: none; white-space: nowrap; transition: color .2s, border-color .2s;
}
.lang-pill svg, .note svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.lang-pill:hover { color: var(--gold); border-color: rgba(248, 184, 78, .5); }
.menu-btn { display: none; }
.menu-btn svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.menu-btn path { transform-origin: 12px 12px; transition: transform .3s var(--ease); }
.site-header[data-open] .menu-btn .l1 { transform: translateY(4px) rotate(45deg); }
.site-header[data-open] .menu-btn .l2 { transform: translateY(-4px) rotate(-45deg); }
@media (max-width: 760px) {
  .bar { gap: 12px; }
  .bar-end { margin-left: auto; }
  .js .menu-btn {
    display: inline-grid; place-items: center; width: 40px; height: 40px; margin-right: -8px; padding: 0;
    border: 0; border-radius: 10px; background: none; color: var(--text); cursor: pointer;
  }
  .js .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 4px max(var(--gutter), env(safe-area-inset-left)) 18px;
    background: rgba(9, 10, 13, .97); border-bottom: 1px solid var(--line);
  }
  .js .site-header[data-open] .nav { display: flex; }
  .js .nav a { padding: 15px 0; border-bottom: 1px solid var(--line); color: var(--text); font-size: 19px; }
  .js .nav a:last-child { border-bottom: 0; }
  .no-js .bar { flex-wrap: wrap; padding-block: 10px; }
  .no-js .nav { order: 3; width: 100%; margin: 0; flex-wrap: wrap; gap: 8px 18px; }
}
.eyebrow { margin: 0 0 14px; color: var(--gold); font-size: 15px; font-weight: 600; letter-spacing: .01em; }
html[lang="zh-Hans"] .eyebrow { letter-spacing: .06em; }
.display { margin: 0 0 22px; font-size: clamp(2.5rem, 5.6vw, 4.4rem); line-height: 1.04; letter-spacing: -0.038em; text-wrap: balance; }
html[lang="zh-Hans"] .display { font-size: clamp(2.3rem, 5.2vw, 4.2rem); line-height: 1.16; letter-spacing: -0.01em; }
.section-title { margin: 0; font-size: clamp(2.05rem, 4.6vw, 3.4rem); line-height: 1.07; letter-spacing: -0.032em; text-wrap: balance; }
html[lang="zh-Hans"] .section-title { font-size: clamp(1.9rem, 4.2vw, 3.1rem); line-height: 1.22; letter-spacing: -0.005em; }
.lead { max-width: 36em; margin: 0 0 28px; color: var(--text-2); font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.55; }
html[lang="zh-Hans"] .lead { line-height: 1.8; }
.gold-text { background: linear-gradient(100deg, var(--gold-hi) 0%, var(--gold) 45%, var(--gold-lo) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (forced-colors: active) { .gold-text { background: none; color: CanvasText; } }
.fine { margin: 0; color: var(--text-3); font-size: 13.5px; line-height: 1.55; }
html[lang="zh-Hans"] .fine { line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin: 0 0 26px; }
.store {
  display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 22px 0 18px;
  border: 1px dashed rgba(248, 184, 78, .6); border-radius: 999px; background: rgba(248, 184, 78, .07);
  color: var(--text); font-size: 15px; font-weight: 600; white-space: nowrap;
}
.store-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(248, 184, 78, .16); }
a.store--live { padding: 0 24px; border: 0; background: var(--gold); color: #151006; text-decoration: none; }
a.store--live:hover { background: var(--gold-hi); color: #151006; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--gold); font-weight: 500; text-decoration: none; }
.link-arrow::after {
  content: ""; width: 7px; height: 7px; margin-left: 2px; border-top: 1.6px solid currentColor; border-right: 1.6px solid currentColor;
  transform: rotate(45deg); transition: transform .2s var(--ease);
}
.link-arrow:hover { color: var(--gold-hi); }
.link-arrow:hover::after { transform: translateX(3px) rotate(45deg); }
.note { display: flex; align-items: flex-start; gap: 8px; }
.note svg { flex: none; margin-top: 1px; color: var(--gold); }
.hero { position: relative; overflow: hidden; isolation: isolate; padding: clamp(36px, 7vw, 92px) 0 clamp(64px, 9vw, 120px); }
.hero::before {
  content: ""; position: absolute; z-index: -1; left: 50%; top: -24%; width: min(1500px, 170vw); height: 980px; transform: translateX(-50%);
  background: radial-gradient(closest-side at 64% 40%, rgba(248, 184, 78, .13), transparent 72%);
  pointer-events: none;
}
.hero-grid { display: grid; gap: clamp(44px, 6vw, 72px); align-items: center; }
.hero-copy { max-width: 640px; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); } }
@media (max-width: 959px) {
  .hero-copy { margin-inline: auto; text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero .actions, .hero .note { justify-content: center; }
  .hero .note { text-align: left; }
}
.hero-demo { position: relative; display: grid; justify-items: center; gap: 20px; margin: 0; }
.hero-demo::before {
  content: ""; position: absolute; z-index: -1; top: 4%; left: 50%; width: 125%; max-width: 580px; aspect-ratio: 1; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(248, 184, 78, .2), rgba(248, 184, 78, .05) 55%, transparent 76%);
  pointer-events: none;
}
.hero-demo figcaption { max-width: 320px; color: var(--text-3); font-size: 12.5px; line-height: 1.55; text-align: center; }
.phone {
  --demo-t: 9s;
  position: relative; width: min(300px, 74vw); padding: 10px; border-radius: 54px;
  background: linear-gradient(150deg, #34353A 0%, #16171A 22%, #0E0F11 60%, #232428 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1), inset 0 0 0 2.5px #050506,
    0 50px 90px -30px rgba(0, 0, 0, .9), 0 30px 70px -40px rgba(248, 184, 78, .28);
}
.phone::before, .phone::after { content: ""; position: absolute; width: 3px; border-radius: 2px; background: #2A2B2F; }
.phone::before { left: -2px; top: 24%; height: 11%; }
.phone::after { right: -2px; top: 30%; height: 14%; }
.phone-screen { position: relative; overflow: hidden; isolation: isolate; aspect-ratio: 9 / 19.5; border-radius: 44px; background: #000; transform: translateZ(0); }
.island { position: absolute; z-index: 6; top: 3.2%; left: 50%; width: 31%; height: 4.3%; transform: translateX(-50%); border-radius: 20px; background: #000; }
.scene { position: absolute; top: 0; bottom: 0; left: -20%; width: 140%; transform: translateX(-11.905%); }
.scene-art { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.person { filter: drop-shadow(0 0 4px rgba(255, 196, 110, .55)); }
.subject-box { position: absolute; left: 39.38%; top: 34.36%; width: 21.25%; height: 42.9%; }
.subject-box i { position: absolute; width: 26%; aspect-ratio: 1; border: 2.5px solid var(--green); }
.subject-box i:nth-child(1) { left: 0; top: 0; border-right: 0; border-bottom: 0; border-top-left-radius: 9px; }
.subject-box i:nth-child(2) { right: 0; top: 0; border-left: 0; border-bottom: 0; border-top-right-radius: 9px; }
.subject-box i:nth-child(3) { right: 0; bottom: 0; border-left: 0; border-top: 0; border-bottom-right-radius: 9px; }
.subject-box i:nth-child(4) { left: 0; bottom: 0; border-right: 0; border-top: 0; border-bottom-left-radius: 9px; }
.target-box { position: absolute; left: 18.46%; top: 34.36%; width: 29.74%; height: 42.9%; border: 1.5px dashed rgba(248, 184, 78, .9); border-radius: 10px; opacity: .3; }
.ui-close { position: absolute; z-index: 5; top: 9.2%; left: 6%; display: grid; place-items: center; width: 11%; aspect-ratio: 1; border-radius: 50%; background: rgba(0, 0, 0, .38); }
.ui-close svg { width: 38%; stroke: rgba(255, 255, 255, .85); stroke-width: 1.8; stroke-linecap: round; }
.cue {
  position: absolute; z-index: 5; left: 50%; bottom: 15%; display: grid; min-width: 64%; padding: 10px 14px; transform: translateX(-50%);
  border-radius: 15px; background: rgba(12, 12, 14, .74); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08), 0 10px 30px rgba(0, 0, 0, .35);
  color: #fff; font-size: 12.5px; font-weight: 600; white-space: nowrap;
}
.cue > span { grid-area: 1 / 1; display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
.cue svg { width: 15px; height: 15px; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.cue-a { opacity: 0; }
.cue-a svg { stroke: var(--gold); }
.cue-b svg { stroke: var(--green); }
.shutter { position: absolute; z-index: 5; left: 50%; bottom: 4.6%; display: grid; place-items: center; width: 17%; aspect-ratio: 1; transform: translateX(-50%); border: 3px solid rgba(255, 255, 255, .92); border-radius: 50%; }
.shutter span { width: 78%; aspect-ratio: 1; border-radius: 50%; background: #fff; }
.flash, .fade { position: absolute; inset: 0; opacity: 0; pointer-events: none; }
.flash { z-index: 7; background: #fff; }
.fade { z-index: 8; background: #000; }
@media (prefers-reduced-motion: no-preference) {
  .phone .scene { animation: demo-pan var(--demo-t) var(--ease) infinite; }
  .phone .subject-box { animation: demo-box var(--demo-t) linear infinite; }
  .phone .subject-box i { animation: demo-corner var(--demo-t) linear infinite; }
  .phone .target-box { animation: demo-target var(--demo-t) linear infinite; }
  .phone .cue { animation: demo-cue var(--demo-t) var(--ease) infinite; }
  .phone .cue-a { animation: demo-cue-a var(--demo-t) var(--ease) infinite; }
  .phone .cue-b { animation: demo-cue-b var(--demo-t) var(--ease) infinite; }
  .phone .cue-a svg { animation: demo-nudge 1.1s ease-in-out infinite; }
  .phone .shutter { animation: demo-shutter var(--demo-t) var(--ease) infinite; }
  .phone .flash { animation: demo-flash var(--demo-t) linear infinite; }
  .phone .fade { animation: demo-fade var(--demo-t) linear infinite; }
  .phone.is-paused, .phone.is-paused * { animation-play-state: paused !important; }
}
@keyframes demo-pan { 0%, 24% { transform: translateX(0); } 56%, 91% { transform: translateX(-11.905%); } 94%, 100% { transform: translateX(0); } }
@keyframes demo-box { 0%, 5% { opacity: 0; transform: scale(1.2); } 11%, 91% { opacity: 1; transform: scale(1); } 94%, 100% { opacity: 0; transform: scale(1); } }
@keyframes demo-corner { 0%, 55% { border-color: var(--gold); } 58%, 100% { border-color: var(--green); } }
@keyframes demo-target { 0%, 12% { opacity: 0; } 17%, 54% { opacity: 1; } 60%, 91% { opacity: .3; } 94%, 100% { opacity: 0; } }
@keyframes demo-cue { 0%, 15% { opacity: 0; transform: translate(-50%, 10px); } 20%, 91% { opacity: 1; transform: translate(-50%, 0); } 94%, 100% { opacity: 0; transform: translate(-50%, 0); } }
@keyframes demo-cue-a { 0%, 55% { opacity: 1; transform: none; } 58%, 100% { opacity: 0; transform: translateY(-8px); } }
@keyframes demo-cue-b { 0%, 56% { opacity: 0; transform: translateY(8px); } 59%, 100% { opacity: 1; transform: none; } }
@keyframes demo-nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(3px); } }
@keyframes demo-shutter { 0%, 70% { transform: translateX(-50%) scale(1); } 72% { transform: translateX(-50%) scale(.88); } 75%, 100% { transform: translateX(-50%) scale(1); } }
@keyframes demo-flash { 0%, 71% { opacity: 0; } 72.5% { opacity: .7; } 76%, 100% { opacity: 0; } }
@keyframes demo-fade { 0%, 88% { opacity: 0; } 90.5%, 95% { opacity: 1; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .js .steps .reveal:nth-child(2), .js .features .reveal:nth-child(3n+2), .js .models .reveal:nth-child(2) { transition-delay: .08s; }
  .js .steps .reveal:nth-child(3), .js .features .reveal:nth-child(3n) { transition-delay: .16s; }
}
@media print { .reveal { opacity: 1 !important; transform: none !important; } .site-header { position: static; } }
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section--tint { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 18%, var(--bg-2) 82%, var(--bg) 100%); }
.section-head { max-width: 780px; margin: 0 0 clamp(36px, 5vw, 60px); }
.section-head .lead { margin: 18px 0 0; }
.problem {
  padding: clamp(64px, 9vw, 128px) 0; text-align: center; border-top: 1px solid var(--line);
  background: radial-gradient(60% 80% at 50% 0%, rgba(248, 184, 78, .06), transparent 70%);
}
.problem .section-title { max-width: 15em; margin: 0 auto 22px; }
.problem .lead { margin: 0 auto; max-width: 34em; }
.steps { display: grid; gap: 20px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; } }
.step { padding: 14px 14px 28px; border: 1px solid var(--line); border-radius: 28px; background: var(--card); }
.step-art { overflow: hidden; margin-bottom: 22px; border-radius: 18px; }
.step-art svg { display: block; width: 100%; height: auto; }
.step-n {
  display: inline-grid; place-items: center; width: 28px; height: 28px; margin: 0 10px 12px;
  border: 1px solid rgba(248, 184, 78, .5); border-radius: 50%; color: var(--gold); font-size: 13px; font-weight: 600;
}
.step h3, .step p:not(.step-n) { margin-inline: 10px; }
.step h3 { margin-top: 0; margin-bottom: 8px; font-size: 21px; letter-spacing: -0.015em; }
.step p:not(.step-n) { margin-bottom: 0; color: var(--text-2); font-size: 16px; }
.features { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } }
.feature { padding: 28px 26px 30px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); transition: border-color .3s; }
.feature:hover { border-color: rgba(248, 184, 78, .28); }
.feature-icon { display: inline-grid; place-items: center; width: 46px; height: 46px; margin-bottom: 20px; border-radius: 14px; background: var(--gold-dim); color: var(--gold); }
.feature-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--text-2); font-size: 15.5px; }
.models { display: grid; gap: 20px; }
@media (min-width: 860px) { .models { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.model-card {
  position: relative; overflow: hidden; isolation: isolate; padding: 32px 30px 34px;
  border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(160deg, var(--card-2), #0F1116);
}
.model-card::after {
  content: ""; position: absolute; z-index: -1; right: -70px; top: -70px; width: 220px; height: 220px; border-radius: 50%;
  border: 1px solid rgba(248, 184, 78, .14);
  box-shadow: 0 0 0 28px rgba(248, 184, 78, .025), 0 0 0 29px rgba(248, 184, 78, .1), 0 0 0 58px rgba(248, 184, 78, .02), 0 0 0 59px rgba(248, 184, 78, .07);
}
.model-card--enhanced {
  border-color: rgba(248, 184, 78, .22);
  background: radial-gradient(120% 90% at 100% 0%, rgba(248, 184, 78, .15), transparent 55%), linear-gradient(160deg, #1A1A1D, #0F1013);
}
.tag { display: inline-block; margin: 0 0 18px; padding: 5px 11px; border-radius: 999px; background: var(--gold-dim); color: var(--gold); font-size: 12.5px; font-weight: 600; }
.model-card h3 { margin: 0 0 6px; font-size: 22px; letter-spacing: -0.015em; }
.size { margin: 0 0 16px; font-family: var(--font-display); font-size: clamp(3rem, 6vw, 4.2rem); font-weight: 700; line-height: 1; letter-spacing: -0.045em; }
.size small { margin-left: 8px; color: var(--text-2); font-size: .4em; font-weight: 600; letter-spacing: 0; }
.model-d { margin: 0; color: var(--text-2); }
.models-note { margin-top: 18px; }
.compat-grid { display: grid; gap: 8px; }
@media (min-width: 900px) { .compat-grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.5fr); gap: 64px; align-items: start; } .compat-grid .section-head { margin: 0; } }
.compat { margin: 0; border-top: 1px solid var(--line-2); }
.compat-row { display: grid; gap: 6px; padding: 22px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) { .compat-row { grid-template-columns: 180px minmax(0, 1fr); gap: 28px; } }
.compat dt { color: var(--text); font-weight: 600; }
.compat dd { margin: 0; color: var(--text-2); }
.privacy-card {
  display: grid; gap: 32px; align-items: center; padding: clamp(28px, 5vw, 64px);
  border: 1px solid var(--line); border-radius: 32px;
  background: radial-gradient(90% 120% at 0% 0%, rgba(248, 184, 78, .1), transparent 60%), #111318;
}
@media (min-width: 900px) { .privacy-card { grid-template-columns: 260px minmax(0, 1fr); gap: 64px; } }
.privacy-art svg { display: block; width: min(220px, 56vw); margin-inline: auto; }
.checks { display: grid; gap: 14px; margin: 24px 0 28px; padding: 0; list-style: none; }
.checks li { position: relative; padding-left: 32px; color: var(--text-2); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .2em; width: 21px; height: 21px; border-radius: 50%;
  background: var(--gold-dim) url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2012%2012'%3E%3Cpath%20d='M2.6%206.3l2.3%202.2%204.5-5'%20fill='none'%20stroke='%23F8B84E'%20stroke-width='1.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}
html[lang="zh-Hans"] .checks li::before { top: .35em; }
.cta {
  padding: clamp(80px, 12vw, 160px) 0; text-align: center; border-top: 1px solid var(--line);
  background: radial-gradient(50% 70% at 50% 100%, rgba(248, 184, 78, .12), transparent 72%);
}
.cta-icon { width: 112px; height: 112px; margin: 0 auto 28px; display: block; border-radius: 26px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .07), 0 24px 60px -12px rgba(248, 184, 78, .3); }
.cta .section-title { margin: 0 0 28px; }
.cta-actions { display: flex; justify-content: center; }
.cta-sub { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 10px; margin: 26px 0 0; color: var(--text-2); }
.site-footer { padding: 56px 0 calc(40px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: #07080A; color: var(--text-2); font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 24px; }
.foot-brand { grid-column: 1 / -1; }
.foot-brand p { max-width: 22em; margin: 12px 0 0; color: var(--text-3); }
@media (min-width: 860px) { .foot-grid { grid-template-columns: 1.6fr repeat(4, minmax(0, 1fr)); } .foot-brand { grid-column: auto; } }
.foot-col h2 { margin: 0 0 14px; color: var(--text-3); font-family: var(--font); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.foot-col ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.foot-col a { color: var(--text-2); text-decoration: none; overflow-wrap: anywhere; }
.foot-col a:hover, .foot-col a[aria-current] { color: var(--text); }
.foot-legal { display: grid; gap: 8px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--text-3); font-size: 12.5px; line-height: 1.6; }
.foot-legal p { margin: 0; }
.page-hero { padding: clamp(52px, 8vw, 104px) 0 clamp(28px, 4vw, 48px); background: radial-gradient(50% 120% at 15% 0%, rgba(248, 184, 78, .08), transparent 70%); }
.page-title { margin: 0 0 16px; font-size: clamp(2.7rem, 6vw, 4.4rem); line-height: 1.03; letter-spacing: -0.04em; text-wrap: balance; }
html[lang="zh-Hans"] .page-title { line-height: 1.15; letter-spacing: -0.01em; }
.page-hero .lead { margin: 0; }
.meta { margin: 0; color: var(--text-3); font-size: 15px; }
.page-body { padding-bottom: clamp(72px, 9vw, 120px); }
.page-links { display: flex; flex-wrap: wrap; gap: 24px; margin: 40px 0 0; }
.contact-card {
  display: grid; gap: 30px; margin: 8px 0 clamp(56px, 7vw, 88px); padding: clamp(26px, 4.4vw, 44px);
  border: 1px solid rgba(248, 184, 78, .22); border-radius: 30px;
  background: radial-gradient(90% 120% at 100% 0%, rgba(248, 184, 78, .13), transparent 60%), var(--card);
}
@media (min-width: 820px) { .contact-card { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 52px; } }
.contact-card h2 { margin: 0 0 10px; font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.025em; }
.contact-card h3 { margin: 0 0 14px; font-size: 17px; }
.contact-card p { color: var(--text-2); }
.contact-email { display: grid; justify-items: start; gap: 6px; margin: 22px 0; }
.contact-email .label { color: var(--text-3); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.email { color: var(--gold); font-size: clamp(1.2rem, 2.6vw, 1.55rem); font-weight: 650; text-decoration: none; overflow-wrap: anywhere; }
.contact-include { padding-top: 26px; border-top: 1px solid var(--line); }
@media (min-width: 820px) { .contact-include { padding: 0 0 0 44px; border-top: 0; border-left: 1px solid var(--line); } }
.contact-include .checks { margin: 0; }
.sub-title { margin: 0 0 18px; font-size: clamp(1.7rem, 3.2vw, 2.3rem); letter-spacing: -0.028em; }
.faq { border-top: 1px solid var(--line-2); }
.faq-item { border-bottom: 1px solid var(--line); scroll-margin-top: 80px; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 21px 2px; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { margin: 0; font-family: var(--font); font-size: 18px; font-weight: 600; line-height: 1.4; letter-spacing: -0.01em; transition: color .2s; }
.faq-item summary:hover h3 { color: var(--gold-hi); }
.faq-icon { position: relative; flex: none; width: 28px; height: 28px; border: 1px solid var(--line-2); border-radius: 50%; transition: transform .3s var(--ease), border-color .2s; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; border-radius: 1px; background: var(--gold); transform: translate(-50%, -50%); }
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-icon { transform: rotate(45deg); border-color: rgba(248, 184, 78, .5); }
.faq-a { max-width: 46em; padding: 0 2px 22px; }
.faq-a p { margin: 0 0 12px; color: var(--text-2); }
.faq-a p:last-child { margin: 0; }
.policy-layout { display: grid; gap: 28px; padding-bottom: clamp(72px, 9vw, 120px); }
.toc-d { display: none; }
@media (min-width: 1000px) {
  .policy-layout { grid-template-columns: 230px minmax(0, 1fr); gap: 72px; }
  .toc-d { display: block; position: sticky; top: 84px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; padding-bottom: 20px; }
  .toc-m { display: none; }
}
.toc-h { margin: 0 0 12px; color: var(--text-3); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.toc-list { display: grid; gap: 1px; margin: 0; padding: 0; list-style: none; }
.toc-list a { display: block; padding: 6px 0 6px 14px; border-left: 1px solid var(--line-2); color: var(--text-2); font-size: 14px; line-height: 1.4; text-decoration: none; transition: color .2s, border-color .2s; }
.toc-list a:hover { color: var(--text); }
.toc-list a.is-active { border-left-color: var(--gold); color: var(--gold); }
.toc-m { margin: 0 0 28px; border: 1px solid var(--line-2); border-radius: 18px; background: var(--card); }
.toc-m summary { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; cursor: pointer; font-weight: 600; list-style: none; }
.toc-m summary::-webkit-details-marker { display: none; }
.toc-m summary::after { content: ""; width: 8px; height: 8px; border-right: 1.6px solid var(--gold); border-bottom: 1.6px solid var(--gold); transform: translateY(-2px) rotate(45deg); transition: transform .25s; }
.toc-m[open] summary::after { transform: translateY(2px) rotate(-135deg); }
.toc-m .toc-list { padding: 0 18px 16px; }
.policy { min-width: 0; max-width: 760px; }
.policy-intro { color: var(--text); font-size: 18px; }
.summary-card { margin: 0 0 8px; padding: 20px 24px; border-left: 3px solid var(--gold); border-radius: 0 18px 18px 0; background: rgba(248, 184, 78, .07); color: var(--text); }
.policy section { scroll-margin-top: 80px; }
.policy h2 { margin: 52px 0 14px; font-size: clamp(1.35rem, 2.3vw, 1.7rem); line-height: 1.25; letter-spacing: -0.02em; }
.policy p, .policy li { color: var(--text-2); }
.policy ul { margin: 0 0 1em; padding-left: 1.25em; }
.policy li { margin: 0 0 10px; padding-left: 4px; }
.policy li::marker { color: var(--gold); }
.policy-contact { font-size: 18px; }
.table-wrap { margin: 8px 0 1em; }
.retention { width: 100%; border-collapse: collapse; font-size: 15px; }
.retention th { padding: 10px 14px 10px 0; border-bottom: 1px solid var(--line-2); color: var(--text-3); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-align: left; text-transform: uppercase; }
.retention td { padding: 14px 14px 14px 0; border-bottom: 1px solid var(--line); color: var(--text-2); line-height: 1.5; vertical-align: top; }
.retention td:first-child { color: var(--text); font-weight: 600; }
@media (max-width: 680px) {
  .retention thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .retention, .retention tbody, .retention tr, .retention td { display: block; width: 100%; }
  .retention tr { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .retention td { padding: 2px 0; border: 0; }
  .retention td:first-child { font-size: 16px; }
  .retention td[data-label]::before { content: attr(data-label); display: block; margin-top: 8px; color: var(--text-3); font-size: 11.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
}
mark.todo {
  display: inline-block; padding: 2px 10px; border: 1px dashed rgba(255, 128, 102, .7); border-radius: 8px;
  background: rgba(255, 110, 80, .12); color: #FFAE9A; font-size: .9em; font-weight: 600; line-height: 1.5;
}
.notfound { padding: clamp(80px, 12vw, 160px) 0; text-align: center; }
.notfound .lead { margin-inline: auto; }
.notfound hr { width: 64px; margin: 56px auto; border: 0; border-top: 1px solid var(--line-2); }
.notfound .section-title { margin-bottom: 16px; }