:root {
  color-scheme: light;
  --page: #f3f7ff;
  --page-warm: #fbfcff;
  --surface: #ffffff;
  --surface-soft: #eaf1fc;
  --surface-blue: #e2edff;
  --ink: #152640;
  --ink-soft: #304664;
  --muted: #667b98;
  --line: #d7e2f2;
  --line-strong: #c6d5ea;
  --blue: #205ccf;
  --blue-deep: #194dab;
  --rose: #c14970;
  --rose-soft: #fae8ef;
  --violet: #8054a9;
  --violet-soft: #efe8f8;
  --orange: #c34e31;
  --orange-soft: #fff0e9;
  --gold: #ba8732;
  --shadow: 0 20px 54px rgba(45, 78, 127, .11);
  --shadow-soft: 0 8px 24px rgba(45, 78, 127, .08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 15px;
  --font: "MiSans", "Microsoft YaHei UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #111a2a;
  --page-warm: #152033;
  --surface: #1b2940;
  --surface-soft: #23334d;
  --surface-blue: #20395f;
  --ink: #edf4ff;
  --ink-soft: #d5e1f2;
  --muted: #a6b6cc;
  --line: #30435e;
  --line-strong: #435976;
  --blue: #6ca0ff;
  --blue-deep: #4f83e5;
  --rose: #ed82a5;
  --rose-soft: #472a3a;
  --violet: #bd91e8;
  --violet-soft: #362d49;
  --orange: #ef9273;
  --orange-soft: #462d2a;
  --gold: #e2b85f;
  --shadow: 0 24px 60px rgba(0, 0, 0, .3);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, .22);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;
    --page: #111a2a;
    --page-warm: #152033;
    --surface: #1b2940;
    --surface-soft: #23334d;
    --surface-blue: #20395f;
    --ink: #edf4ff;
    --ink-soft: #d5e1f2;
    --muted: #a6b6cc;
    --line: #30435e;
    --line-strong: #435976;
    --blue: #6ca0ff;
    --blue-deep: #4f83e5;
    --rose: #ed82a5;
    --rose-soft: #472a3a;
    --violet: #bd91e8;
    --violet-soft: #362d49;
    --orange: #ef9273;
    --orange-soft: #462d2a;
    --gold: #e2b85f;
    --shadow: 0 24px 60px rgba(0, 0, 0, .3);
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, .22);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.65; transition: background-color .25s ease, color .25s ease; }
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: rgba(32, 92, 207, .2); }

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 99; padding: 9px 14px; transform: translateY(-150%); border-radius: 10px; background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.skip-link:focus { transform: translateY(0); }
.section-wrap { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }

.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent); background: color-mix(in srgb, var(--page) 88%, transparent); backdrop-filter: blur(18px); }
.header-inner { width: min(1320px, calc(100% - 56px)); min-height: 78px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-mark { position: relative; width: 43px; height: 43px; overflow: hidden; border-radius: 13px; background: #102c49; box-shadow: 0 4px 12px rgba(18, 45, 75, .18); }
.brand-mark img { position: absolute; top: -41%; left: -264%; width: 414%; max-width: none; height: auto; }
.brand-name { color: var(--ink); font-family: var(--font); font-size: 17px; font-weight: 800; letter-spacing: .055em; line-height: 1.15; }
.brand-name small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .04em; }
.desktop-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 44px); color: var(--ink-soft); font-size: 13px; font-weight: 600; }
.desktop-nav a { transition: color .2s ease; }
.desktop-nav a:hover { color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 7px; min-height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink-soft); cursor: pointer; font-size: 12px; font-weight: 600; transition: border-color .2s ease, background .2s ease; }
.theme-toggle:hover { border-color: var(--blue); }
.theme-icon { color: var(--gold); font-size: 17px; line-height: 1; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid transparent; border-radius: 13px; cursor: pointer; font-weight: 700; line-height: 1.2; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease; }
.button:hover:not(.is-disabled) { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: #fff; box-shadow: 0 9px 22px color-mix(in srgb, var(--blue) 25%, transparent); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 12px 28px color-mix(in srgb, var(--blue) 34%, transparent); }
.button-secondary { border-color: var(--line-strong); background: var(--surface); color: var(--ink); }
.button-secondary:hover { border-color: var(--blue); }
.button-quiet { border-color: transparent; background: transparent; color: var(--ink-soft); }
.button-quiet:hover { background: var(--surface); }
.button-small { min-height: 40px; padding: 0 17px; font-size: 12px; }
.button-large { min-height: 54px; padding: 0 21px; font-size: 14px; }
.button-symbol { display: inline-grid; width: 22px; height: 22px; place-items: center; border-radius: 50%; background: rgba(255,255,255,.18); font-size: 18px; }
.button-note { padding-left: 8px; border-left: 1px solid rgba(255,255,255,.35); font-size: 10px; opacity: .82; }
.button-secondary svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.is-disabled { cursor: not-allowed; opacity: .76; }
.coming-soon { padding: 3px 7px; border-radius: 7px; background: var(--surface-soft); color: var(--muted); font-size: 10px; font-weight: 600; }
.heart-symbol { color: var(--rose); font-size: 21px; line-height: .8; }

.hero { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(36px, 6vw, 78px); min-height: 664px; padding-top: 72px; padding-bottom: 72px; }
.hero::before { position: absolute; z-index: -1; top: 34px; left: -9vw; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--blue) 9%, transparent), transparent 69%); content: ""; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 13%, transparent); }
.hero h1 { max-width: 620px; margin: 20px 0 20px; font-size: clamp(43px, 5.5vw, 70px); font-weight: 800; letter-spacing: -.055em; line-height: 1.18; }
.hero h1 span { position: relative; color: var(--blue); }
.hero h1 span::after { position: absolute; right: 2%; bottom: -7px; left: 0; height: 7px; border-radius: 100%; background: color-mix(in srgb, var(--gold) 68%, transparent); content: ""; transform: rotate(-1deg); }
.hero-lede { max-width: 490px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 11px 9px; margin-top: 29px; }
.hero-footnote { display: flex; align-items: center; gap: 8px; margin: 19px 0 0; color: var(--muted); font-size: 11px; }
.hero-footnote span { color: var(--gold); font-size: 15px; }
.hero-visual { position: relative; min-width: 0; padding: 26px 4px 30px; }
.preview-window { position: relative; z-index: 1; overflow: hidden; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.preview-topbar { display: flex; min-height: 39px; align-items: center; gap: 12px; padding: 0 14px; border-bottom: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 9px; font-weight: 600; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #ef8d85; }
.window-dots i:nth-child(2) { background: #ecc869; }
.window-dots i:nth-child(3) { background: #7dc69d; }
.preview-status { display: inline-flex; align-items: center; gap: 5px; margin-left: auto; color: var(--ink-soft); }
.preview-status i { width: 6px; height: 6px; border-radius: 50%; background: #48b585; }
.preview-window > img { width: 100%; height: auto; }
.visual-orbit { position: absolute; z-index: 0; border: 1px solid color-mix(in srgb, var(--blue) 19%, transparent); border-radius: 50%; pointer-events: none; }
.orbit-one { top: 0; right: -52px; width: 180px; height: 180px; }
.orbit-two { right: -6px; bottom: 10px; width: 110px; height: 110px; border-color: color-mix(in srgb, var(--rose) 23%, transparent); }
.float-note { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 11px 15px 11px 11px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-soft); animation: float-note 5s ease-in-out infinite; }
.float-note span:last-child { display: grid; gap: 2px; }
.float-note b { font-size: 11px; line-height: 1.3; }
.float-note small { color: var(--muted); font-size: 9px; }
.note-import { top: 4px; left: -21px; }
.note-progress { right: -28px; bottom: 14px; animation-delay: -2.2s; }
.note-icon, .progress-ring { display: grid; width: 30px; height: 30px; flex: 0 0 auto; place-items: center; border-radius: 10px; background: var(--rose-soft); color: var(--rose); font-size: 18px; font-weight: 700; }
.progress-ring { border-radius: 50%; background: var(--surface-blue); color: var(--blue); font-size: 13px; }
.visual-caption { position: absolute; bottom: 5px; left: 10px; color: var(--muted); font-size: 9px; }

.intro-strip { display: grid; grid-template-columns: .65fr 1.1fr auto; align-items: center; gap: 36px; padding: 30px 0 35px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-title { display: flex; align-items: center; gap: 13px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.strip-title b { color: var(--ink); font-size: 14px; }
.strip-star { color: var(--gold); font-size: 30px; }
.intro-strip > p { max-width: 510px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 12px; font-weight: 700; white-space: nowrap; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, -2px); }

.features { padding-top: 104px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
.section-heading h2, .screens-copy h2, .download-copy h2 { margin: 14px 0 0; font-size: clamp(31px, 4vw, 46px); font-weight: 800; letter-spacing: -.04em; line-height: 1.27; }
.section-heading > p { max-width: 325px; margin: 0 0 5px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.mobile-break { display: none; }
.feature-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 17px; }
.feature-card { position: relative; overflow: hidden; display: grid; min-width: 0; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: 0 2px 6px rgba(45, 78, 127, .025); }
.feature-card::before { position: absolute; top: -86px; right: -84px; width: 185px; height: 185px; border-radius: 50%; background: var(--card-orb, var(--surface-blue)); opacity: .55; content: ""; }
.feature-bank { --card-orb: var(--rose-soft); grid-column: span 7; grid-template-columns: .8fr 1.2fr; min-height: 382px; padding: 29px; }
.feature-timer { --card-orb: var(--violet-soft); grid-column: span 5; grid-template-rows: auto 1fr; min-height: 382px; padding: 29px; }
.feature-review, .feature-ai { grid-column: span 6; grid-template-columns: .82fr 1.18fr; min-height: 335px; padding: 29px; }
.feature-review { --card-orb: var(--orange-soft); }
.feature-ai { --card-orb: var(--surface-blue); }
.feature-appearance { --card-orb: var(--surface-blue); grid-column: span 12; grid-template-columns: .68fr 1.32fr; align-items: center; min-height: 326px; padding: 34px; }
.feature-copy, .appearance-copy { position: relative; z-index: 1; align-self: center; min-width: 0; }
.feature-index { display: inline-flex; align-items: center; gap: 7px; font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.feature-index::before { width: 18px; height: 2px; background: currentColor; content: ""; }
.feature-index.rose { color: var(--rose); }
.feature-index.violet { color: var(--violet); }
.feature-index.orange { color: var(--orange); }
.feature-index.blue { color: var(--blue); }
.feature-index.navy { color: var(--ink-soft); }
.feature-copy h3, .appearance-copy h3 { margin: 16px 0 11px; font-size: clamp(22px, 2.5vw, 30px); font-weight: 800; letter-spacing: -.035em; line-height: 1.35; }
.feature-copy p, .appearance-copy p { max-width: 280px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.9; }
.feature-caption { display: inline-block; margin-top: 18px; color: var(--ink-soft); font-size: 9px; font-weight: 700; }
.feature-media { position: relative; align-self: center; min-width: 0; }
.media-label { display: flex; align-items: center; gap: 7px; margin-bottom: 9px; color: var(--ink-soft); font-size: 9px; font-weight: 700; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: #4eb788; box-shadow: 0 0 0 4px rgba(78,183,136,.12); }
.label-meta { margin-left: auto; padding: 3px 7px; border-radius: 6px; background: var(--rose-soft); color: var(--rose); font-size: 8px; }
.screenshot-frame { overflow: hidden; border: 1px solid var(--line); border-radius: 11px; background: var(--page-warm); box-shadow: 0 12px 24px rgba(36, 55, 90, .11); }
.screenshot-frame img { width: 100%; height: 213px; object-fit: cover; object-position: 19% 8%; }
.scan-line { position: absolute; top: 30px; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--rose) 90%, transparent), transparent); filter: drop-shadow(0 0 5px var(--rose)); animation: scan 5s ease-in-out infinite; pointer-events: none; }

.timer-demo { position: relative; align-self: end; overflow: hidden; margin-top: 18px; padding: 21px 20px 17px; border: 1px solid color-mix(in srgb, var(--violet) 21%, var(--line)); border-radius: 18px; background: linear-gradient(150deg, color-mix(in srgb, var(--violet-soft) 70%, var(--surface)), var(--surface)); }
.timer-topline { display: flex; align-items: center; justify-content: space-between; color: var(--violet); font-size: 9px; font-weight: 700; }
.timer-topline > span:first-child { display: flex; align-items: center; gap: 7px; }
.timer-topline i { width: 7px; height: 7px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 14%, transparent); }
.timer-total { color: var(--muted); font-weight: 500; }
.timer-digits { display: flex; align-items: baseline; gap: 7px; margin: 14px 0 10px; color: var(--ink); font-family: var(--font); font-size: clamp(29px, 4vw, 42px); font-weight: 700; letter-spacing: -.06em; line-height: 1; }
.timer-colon { color: var(--violet); animation: blink 1.15s steps(2, start) infinite; }
.timer-muted { color: color-mix(in srgb, var(--muted) 68%, transparent); font-size: .64em; font-weight: 500; }
.timer-bar { position: relative; height: 6px; overflow: visible; border-radius: 10px; background: var(--line); }
.timer-bar span { display: block; width: 36%; height: 100%; border-radius: inherit; background: var(--violet); transform-origin: left; animation: timer-progress 12s ease-in-out infinite alternate; }
.timer-bar i { position: absolute; top: 50%; left: 36%; width: 10px; height: 10px; border: 2px solid var(--surface); border-radius: 50%; background: var(--violet); transform: translate(-50%, -50%); animation: timer-dot 12s ease-in-out infinite alternate; }
.timer-steps { display: flex; justify-content: space-between; margin-top: 9px; color: var(--muted); font-size: 8px; }
.timer-steps b { color: var(--ink-soft); }
.timer-card-footer { display: flex; align-items: center; gap: 7px; margin-top: 17px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 8px; }
.timer-card-footer b { color: var(--violet); }
.timer-play { display: inline-grid; width: 20px; height: 20px; place-items: center; border-radius: 7px; background: var(--violet); color: white; font-size: 8px; }

.review-demo { align-self: center; padding: 18px; border: 1px solid color-mix(in srgb, var(--orange) 19%, var(--line)); border-radius: 17px; background: color-mix(in srgb, var(--orange-soft) 32%, var(--surface)); box-shadow: var(--shadow-soft); }
.review-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 12px; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 10px; font-weight: 800; }
.review-spark { color: var(--orange); font-size: 19px; animation: sparkle 3.5s ease-in-out infinite; }
.review-step { display: flex; align-items: center; gap: 9px; padding: 10px 2px; border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent); opacity: .65; animation: review-appear 6s ease-in-out infinite; }
.review-step.step-two { animation-delay: 1.7s; }
.review-step.step-three { animation-delay: 3.4s; border-bottom: 0; }
.step-no { display: grid; width: 25px; height: 25px; flex: 0 0 auto; place-items: center; border-radius: 8px; background: var(--orange-soft); color: var(--orange); font-size: 8px; font-weight: 800; }
.step-content { display: grid; gap: 2px; min-width: 0; }
.step-content b { color: var(--ink); font-size: 9px; }
.step-content small { overflow: hidden; color: var(--muted); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.step-check { margin-left: auto; color: var(--orange); font-size: 12px; opacity: 0; animation: check-appear 6s ease-in-out infinite; }
.step-two .step-check { animation-delay: 1.7s; }
.step-three .step-check { animation-delay: 3.4s; }
.review-footer { display: flex; align-items: center; gap: 8px; padding-top: 10px; color: var(--muted); font-size: 8px; }
.review-progress { height: 4px; flex: 1; overflow: hidden; border-radius: 10px; background: var(--line); }
.review-progress i { display: block; width: 12%; height: 100%; border-radius: inherit; background: var(--orange); animation: review-progress 6s ease-in-out infinite; }

.answer-demo { position: relative; align-self: center; padding: 17px; border: 1px solid var(--line); border-radius: 17px; background: var(--page-warm); box-shadow: var(--shadow-soft); }
.answer-top { display: flex; align-items: center; gap: 9px; }
.ai-orb { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 10px; background: var(--surface-blue); color: var(--blue); font-size: 17px; animation: sparkle 3s ease-in-out infinite; }
.answer-top > span:nth-child(2) { display: grid; gap: 2px; }
.answer-top b { font-size: 9px; }
.answer-top small { color: var(--muted); font-size: 8px; }
.answer-chip { margin-left: auto; padding: 3px 8px; border-radius: 7px; background: var(--surface-blue); color: var(--blue); font-size: 8px; font-weight: 700; }
.answer-question { margin-top: 13px; padding: 10px 11px; border-radius: 10px; background: var(--surface); }
.answer-question > span { display: block; color: var(--muted); font-size: 7px; }
.answer-question > b { display: block; margin-top: 4px; font-size: 9px; }
.question-skeleton { display: grid; gap: 4px; margin-top: 8px; }
.question-skeleton i { height: 3px; border-radius: 9px; background: var(--line); }
.question-skeleton i:nth-child(2) { width: 75%; }
.question-skeleton i:nth-child(3) { width: 54%; }
.answer-flow { position: relative; display: flex; justify-content: space-between; height: 21px; margin: 0 14px; }
.answer-flow span { width: 1px; height: 100%; background: var(--line-strong); }
.answer-flow i { position: absolute; left: 50%; color: var(--blue); font-size: 12px; font-style: normal; transform: translateX(-50%); animation: flow-arrow 1.8s ease-in-out infinite; }
.answer-result { display: flex; align-items: center; gap: 8px; padding: 10px; border: 1px solid color-mix(in srgb, var(--blue) 23%, var(--line)); border-radius: 10px; background: var(--surface); }
.result-icon { display: grid; width: 21px; height: 21px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--surface-blue); color: var(--blue); font-size: 10px; }
.answer-result > div { display: grid; gap: 2px; min-width: 0; }
.answer-result b { font-size: 8px; }
.typing-copy { overflow: hidden; max-width: 130px; color: var(--muted); font-size: 7px; text-overflow: clip; white-space: nowrap; animation: typing 4s steps(18, end) infinite alternate; }
.cursor { width: 1px; height: 10px; margin-left: auto; background: var(--blue); animation: blink .9s steps(2, start) infinite; }
.answer-note { margin-top: 9px; color: var(--muted); font-size: 7px; text-align: right; }

.appearance-preview { position: relative; min-width: 0; padding: 15px 17px 0; }
.appearance-controls { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 11px; color: var(--ink-soft); font-size: 9px; font-weight: 700; }
.mode-pills { display: flex; gap: 5px; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: var(--page); font-size: 8px; }
.mode-pills i { padding: 4px 8px; border-radius: 6px; color: var(--muted); font-style: normal; }
.mode-pills i:first-child { background: var(--surface); color: var(--blue); box-shadow: 0 1px 4px rgba(25, 45, 80, .12); animation: mode-highlight 7s ease-in-out infinite; }
.mode-pills .mode-dark { animation: mode-highlight-dark 7s ease-in-out infinite; }
.mode-pills .mode-system { animation: mode-highlight-system 7s ease-in-out infinite; }
.appearance-screen { position: relative; overflow: hidden; max-height: 208px; border: 1px solid var(--line); border-radius: 12px 12px 0 0; background: var(--surface-soft); box-shadow: var(--shadow-soft); }
.appearance-screen img { width: 100%; transform: translateY(-2%); }
.theme-glint { position: absolute; top: 0; right: -20%; bottom: 0; width: 25%; background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent); transform: skewX(-18deg); animation: glint 6s ease-in-out infinite; pointer-events: none; }

.screens-overview { padding-top: 94px; }
.screens-card { position: relative; overflow: hidden; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; min-height: 380px; padding: 48px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface-soft); }
.screens-copy { position: relative; z-index: 2; }
.screens-copy h2 { font-size: clamp(30px, 3.7vw, 42px); }
.screens-copy p { max-width: 390px; margin: 17px 0 20px; color: var(--muted); font-size: 11px; line-height: 1.9; }
.screens-stack { position: relative; min-height: 280px; }
.stack-card { position: absolute; overflow: hidden; border: 5px solid var(--surface); border-radius: 13px; background: var(--surface); box-shadow: var(--shadow); }
.stack-card img { width: 100%; height: 100%; object-fit: cover; }
.stack-home { z-index: 3; top: 20px; left: 8%; width: 69%; transform: rotate(-3deg); animation: card-hover 7s ease-in-out infinite; }
.stack-timer { z-index: 2; top: 70px; right: 2%; width: 43%; transform: rotate(5deg); animation: card-hover 7s ease-in-out infinite reverse; }
.stack-settings { z-index: 1; bottom: 0; left: 25%; width: 53%; transform: rotate(2deg); animation: card-hover 8s ease-in-out infinite; animation-delay: -3s; }
.stack-orbit { position: absolute; display: block; border-radius: 50%; }
.orbit-a { top: 4px; right: 17%; width: 68px; height: 68px; border: 1px solid color-mix(in srgb, var(--rose) 42%, transparent); }
.orbit-b { bottom: 12px; left: 0; width: 31px; height: 31px; background: color-mix(in srgb, var(--gold) 67%, transparent); opacity: .6; }

.download-section { padding-top: 90px; padding-bottom: 55px; }
.download-panel { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 42px 48px; border-radius: var(--radius-xl); background: linear-gradient(112deg, #e4edff, #f7f8ff 63%, #f7edf2); }
:root[data-theme="dark"] .download-panel { background: linear-gradient(112deg, #203b63, #1e2b42 63%, #3b2a3d); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]):not([data-theme="dark"]) .download-panel { background: linear-gradient(112deg, #203b63, #1e2b42 63%, #3b2a3d); } }
.download-star { position: absolute; top: -35px; right: 31%; color: color-mix(in srgb, var(--gold) 48%, transparent); font-size: 120px; line-height: 1; transform: rotate(12deg); }
.download-copy { position: relative; z-index: 1; }
.download-copy h2 { margin-top: 12px; font-size: clamp(28px, 3.8vw, 39px); }
.download-copy p { margin: 10px 0 0; color: var(--muted); font-size: 11px; }
.download-actions { position: relative; z-index: 1; display: grid; justify-items: center; gap: 8px; flex: 0 0 auto; }
.download-meta { color: var(--muted); font-size: 9px; }
.product-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 30px; padding-top: 20px; color: var(--muted); font-size: 9px; }
.product-notes span::before { display: inline-block; width: 5px; height: 5px; margin: 0 7px 1px 0; border-radius: 50%; background: var(--gold); content: ""; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; padding-top: 22px; padding-bottom: 27px; border-top: 1px solid var(--line); }
.footer-brand .brand-mark { width: 35px; height: 35px; border-radius: 10px; }
.footer-brand .brand-name { font-size: 14px; }
.site-footer > p { margin: 0; color: var(--muted); font-size: 10px; }
.footer-actions { display: flex; align-items: center; justify-content: end; gap: 15px; color: var(--muted); font-size: 9px; }
.footer-donate { padding: 6px 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--rose); cursor: pointer; font-size: 9px; font-weight: 700; }
.copyright { grid-column: 1 / -1; color: var(--muted); font-size: 8px; text-align: center; }

.donation-dialog { position: fixed; width: min(390px, calc(100% - 32px)); max-width: none; padding: 30px 32px 27px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); color: var(--ink); box-shadow: var(--shadow); text-align: center; }
.donation-dialog::backdrop { background: rgba(17, 29, 47, .42); backdrop-filter: blur(5px); }
.dialog-close { position: absolute; top: 12px; right: 14px; display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--muted); cursor: pointer; font-size: 20px; }
.donation-mark { display: grid; width: 42px; height: 42px; margin: 0 auto 13px; place-items: center; border-radius: 14px; background: var(--rose-soft); color: var(--rose); font-size: 27px; }
.donation-dialog h2 { margin: 11px 0 5px; font-size: 23px; letter-spacing: -.03em; }
.donation-dialog p { margin: 0; color: var(--muted); font-size: 11px; }
.donation-qr { width: min(230px, 70vw); max-height: 250px; object-fit: contain; margin: 15px auto 9px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.donation-dialog > small { color: var(--muted); font-size: 9px; }

@keyframes float-note { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes scan { 0%, 8% { top: 36px; opacity: 0; } 18% { opacity: .9; } 82% { opacity: .8; } 100% { top: calc(100% - 19px); opacity: 0; } }
@keyframes blink { to { opacity: .25; } }
@keyframes timer-progress { 0% { width: 36%; } 100% { width: 83%; } }
@keyframes timer-dot { 0% { left: 36%; } 100% { left: 83%; } }
@keyframes sparkle { 0%, 100% { transform: scale(1) rotate(0); opacity: .8; } 50% { transform: scale(1.12) rotate(8deg); opacity: 1; } }
@keyframes review-appear { 0%, 5% { opacity: .55; background: transparent; } 16%, 58% { opacity: 1; background: color-mix(in srgb, var(--orange-soft) 75%, transparent); } 70%, 100% { opacity: .62; background: transparent; } }
@keyframes check-appear { 0%, 10% { opacity: 0; transform: scale(.7); } 22%, 63% { opacity: 1; transform: scale(1); } 72%, 100% { opacity: 0; transform: scale(.7); } }
@keyframes review-progress { 0% { width: 0; } 90%, 100% { width: 100%; } }
@keyframes typing { 0%, 10% { max-width: 0; } 70%, 100% { max-width: 130px; } }
@keyframes flow-arrow { 0%, 100% { top: 2px; opacity: .4; } 50% { top: 8px; opacity: 1; } }
@keyframes mode-highlight { 0%, 27% { background: var(--surface); color: var(--blue); box-shadow: 0 1px 4px rgba(25,45,80,.12); } 36%, 92% { background: transparent; color: var(--muted); box-shadow: none; } 100% { background: var(--surface); color: var(--blue); } }
@keyframes mode-highlight-dark { 0%, 30% { background: transparent; color: var(--muted); box-shadow: none; } 39%, 61% { background: var(--ink); color: var(--page); box-shadow: 0 1px 4px rgba(25,45,80,.12); } 70%, 100% { background: transparent; color: var(--muted); box-shadow: none; } }
@keyframes mode-highlight-system { 0%, 62% { background: transparent; color: var(--muted); box-shadow: none; } 71%, 91% { background: var(--surface); color: var(--blue); box-shadow: 0 1px 4px rgba(25,45,80,.12); } 100% { background: transparent; color: var(--muted); box-shadow: none; } }
@keyframes glint { 0%, 15% { right: 110%; } 50%, 100% { right: -30%; } }
@keyframes card-hover { 0%, 100% { translate: 0 0; } 50% { translate: 0 -8px; } }

@media (max-width: 980px) {
  .section-wrap { width: min(calc(100% - 44px), 760px); }
  .header-inner { width: calc(100% - 40px); }
  .hero { grid-template-columns: 1fr 1fr; gap: 30px; min-height: 610px; }
  .hero h1 { font-size: clamp(41px, 6vw, 58px); }
  .hero-actions { gap: 8px; }
  .hero-actions .button-large { min-height: 48px; padding-inline: 14px; font-size: 11px; }
  .note-import { left: -8px; }
  .note-progress { right: -8px; }
  .feature-bank { grid-column: span 7; grid-template-columns: 1fr; gap: 20px; }
  .feature-bank .feature-copy { max-width: 430px; }
  .feature-bank .feature-copy p { max-width: 420px; }
  .feature-bank .screenshot-frame img { height: 190px; }
  .feature-timer { grid-column: span 5; padding: 24px; }
  .feature-review, .feature-ai { grid-template-columns: 1fr; gap: 20px; }
  .feature-review .feature-copy p, .feature-ai .feature-copy p { max-width: 430px; }
  .feature-appearance { grid-template-columns: .72fr 1.28fr; }
  .screens-card { grid-template-columns: .9fr 1.1fr; padding: 36px; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 72px; }
  .section-wrap { width: calc(100% - 36px); }
  .site-header { position: sticky; }
  .header-inner { width: calc(100% - 28px); min-height: 66px; gap: 10px; }
  .brand { gap: 8px; }
  .brand-mark { width: 37px; height: 37px; border-radius: 11px; }
  .brand-name { font-size: 14px; }
  .brand-name small { font-size: 8px; }
  .desktop-nav { display: none; }
  .header-actions { gap: 7px; }
  .theme-toggle { min-height: 35px; padding-inline: 8px; gap: 4px; font-size: 10px; }
  .theme-icon { font-size: 15px; }
  .header-actions .button-small { min-height: 35px; padding-inline: 11px; font-size: 10px; }
  .hero { grid-template-columns: 1fr; gap: 25px; min-height: 0; padding-top: 59px; padding-bottom: 48px; }
  .hero h1 { margin: 16px 0; font-size: clamp(43px, 11vw, 58px); }
  .hero-lede { max-width: 540px; font-size: 13px; }
  .hero-actions { margin-top: 22px; gap: 8px; }
  .hero-actions .button-large { min-height: 47px; padding-inline: 14px; font-size: 11px; }
  .hero-visual { width: calc(100% - 12px); margin: 0 auto; padding: 15px 3px 28px; }
  .hero-visual { overflow: hidden; }
  .orbit-one { top: 4px; right: 0; width: 120px; height: 120px; }
  .orbit-two { right: 0; }
  .preview-window { border-radius: 12px; }
  .preview-topbar { min-height: 32px; font-size: 7px; }
  .window-dots i { width: 6px; height: 6px; }
  .float-note { padding: 8px 10px 8px 8px; border-radius: 11px; gap: 7px; }
  .float-note b { font-size: 9px; }
  .float-note small { font-size: 7px; }
  .note-import { top: 0; left: 0; }
  .note-progress { right: 0; bottom: 10px; }
  .note-icon, .progress-ring { width: 24px; height: 24px; border-radius: 8px; font-size: 14px; }
  .visual-caption { left: 6px; bottom: 2px; font-size: 8px; }
  .intro-strip { grid-template-columns: 1fr auto; gap: 12px 20px; padding: 24px 0; }
  .intro-strip > p { grid-column: 1 / -1; grid-row: 2; font-size: 11px; }
  .intro-strip .text-link { grid-column: 2; grid-row: 1; font-size: 10px; }
  .strip-title b { font-size: 12px; }
  .strip-star { font-size: 24px; }
  .features { padding-top: 72px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section-heading h2 { margin-top: 12px; font-size: 35px; }
  .section-heading > p { margin-top: 12px; font-size: 11px; }
  .mobile-break { display: initial; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { grid-column: auto; min-height: auto; border-radius: 19px; }
  .feature-bank, .feature-timer, .feature-review, .feature-ai, .feature-appearance { grid-template-columns: 1fr; gap: 20px; padding: 22px; }
  .feature-bank { grid-template-columns: 1fr; }
  .feature-copy h3, .appearance-copy h3 { margin: 12px 0 8px; font-size: 25px; }
  .feature-copy p, .appearance-copy p { max-width: 480px; font-size: 10px; }
  .feature-caption { margin-top: 12px; }
  .feature-bank .screenshot-frame img { height: auto; max-height: 210px; object-fit: cover; object-position: 20% 10%; }
  .timer-demo { align-self: stretch; margin-top: 0; padding: 18px; }
  .timer-digits { font-size: 38px; }
  .review-demo, .answer-demo { width: 100%; }
  .appearance-preview { padding: 0; }
  .appearance-screen { max-height: 190px; }
  .appearance-controls { font-size: 8px; }
  .mode-pills { gap: 1px; font-size: 7px; }
  .mode-pills i { padding: 4px 6px; }
  .screens-overview { padding-top: 68px; }
  .screens-card { grid-template-columns: 1fr; gap: 18px; min-height: 0; padding: 27px 23px 16px; border-radius: 22px; }
  .screens-copy h2 { font-size: 32px; }
  .screens-copy p { margin: 13px 0 15px; font-size: 10px; }
  .screens-stack { min-height: 225px; margin: 0 -8px; }
  .stack-home { top: 14px; left: 6%; width: 70%; }
  .stack-timer { top: 45px; right: 0; width: 43%; }
  .stack-settings { bottom: 0; left: 22%; width: 54%; }
  .download-section { padding-top: 61px; padding-bottom: 36px; }
  .download-panel { display: grid; gap: 22px; padding: 27px 23px; border-radius: 22px; }
  .download-copy h2 { font-size: 30px; }
  .download-copy p { max-width: 290px; font-size: 10px; line-height: 1.8; }
  .download-actions { justify-items: start; }
  .download-actions .button { width: 100%; }
  .download-star { top: -30px; right: 5%; font-size: 85px; }
  .product-notes { justify-content: flex-start; gap: 7px 16px; font-size: 8px; }
  .site-footer { grid-template-columns: 1fr auto; gap: 11px; padding-top: 18px; }
  .site-footer > p { display: none; }
  .footer-actions { display: grid; justify-items: end; gap: 5px; font-size: 8px; }
  .copyright { padding-top: 5px; text-align: left; }
}

@media (max-width: 390px) {
  .section-wrap { width: calc(100% - 28px); }
  .header-inner { width: calc(100% - 20px); }
  .brand-name { font-size: 12px; }
  .brand-mark { width: 33px; height: 33px; }
  .theme-toggle { padding-inline: 6px; }
  .header-actions .button-small { padding-inline: 8px; font-size: 9px; }
  .hero-actions .button-large { padding-inline: 10px; font-size: 10px; }
  .hero-actions .button-large:nth-child(3) { min-width: 100%; }
  .hero h1 { font-size: 42px; }
  .mode-pills i { padding-inline: 4px; }
}

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

/* 流动的彩色光场：以 AZIMUTH 的蓝、玫瑰与暖金做轻量 CSS 动效。 */
.aurora-surface { position: relative; isolation: isolate; }
.aurora-surface::before,
.aurora-surface::after { position: absolute; z-index: -1; inset: -54px 0 -26px 0; border-radius: 48%; content: ""; pointer-events: none; }
.aurora-surface::before {
  background:
    radial-gradient(ellipse 32% 53% at 13% 43%, color-mix(in srgb, var(--rose) 19%, transparent), transparent 74%),
    radial-gradient(ellipse 39% 45% at 56% 17%, color-mix(in srgb, var(--violet) 17%, transparent), transparent 74%),
    radial-gradient(ellipse 33% 50% at 86% 72%, color-mix(in srgb, var(--blue) 18%, transparent), transparent 74%),
    radial-gradient(ellipse 26% 37% at 50% 88%, color-mix(in srgb, var(--gold) 11%, transparent), transparent 76%);
  filter: blur(30px) saturate(125%);
  opacity: .72;
  animation: aurora-drift 20s ease-in-out infinite alternate;
}
.aurora-surface::after {
  inset: 2% 0 4% 7%;
  background: conic-gradient(from 214deg at 55% 45%, transparent 0 18%, color-mix(in srgb, var(--blue) 9%, transparent) 26%, transparent 36% 50%, color-mix(in srgb, var(--rose) 9%, transparent) 60%, transparent 73% 100%);
  filter: blur(44px);
  opacity: .48;
  animation: aurora-turn 34s linear infinite;
}
:root[data-theme="dark"] .aurora-surface::before,
:root[data-theme="dark"] .aurora-surface::after { opacity: .42; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .aurora-surface::before,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .aurora-surface::after { opacity: .42; }
}

.button-glass {
  border-color: color-mix(in srgb, var(--line-strong) 72%, white);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.72), 0 8px 24px rgba(30,58,100,.08);
  backdrop-filter: blur(16px) saturate(145%);
  -webkit-backdrop-filter: blur(16px) saturate(145%);
}
.button-glass:hover { border-color: color-mix(in srgb, var(--blue) 42%, var(--line)); background: color-mix(in srgb, var(--surface) 88%, transparent); box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 12px 27px rgba(30,58,100,.13); }
.button-glass:focus-visible,
.theme-toggle:focus-visible,
.desktop-nav a:focus-visible,
.footer-actions a:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 42%, transparent); outline-offset: 3px; }
:root[data-theme="dark"] .button-glass { border-color: color-mix(in srgb, var(--line-strong) 70%, transparent); background: rgba(245,248,255,.09); color: var(--ink); box-shadow: inset 0 1px 0 rgba(255,255,255,.16), 0 8px 26px rgba(0,0,0,.18); }
:root[data-theme="dark"] .button-glass:hover { background: rgba(245,248,255,.15); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .button-glass { border-color: color-mix(in srgb, var(--line-strong) 70%, transparent); background: rgba(245,248,255,.09); color: var(--ink); box-shadow: inset 0 1px 0 rgba(255,255,255,.16), 0 8px 26px rgba(0,0,0,.18); }
}

.hero.aurora-surface { isolation: isolate; }
.hero-visual { overflow: clip; }
.note-import { left: 0; }
.note-progress { right: 0; }
.orbit-one, .orbit-two { right: 0; }
.hero .button-quiet { border-color: color-mix(in srgb, var(--line) 75%, transparent); background: color-mix(in srgb, var(--surface) 64%, transparent); backdrop-filter: blur(13px); -webkit-backdrop-filter: blur(13px); }
.hero .button-quiet:hover { background: var(--surface); }
.download-counter { display: inline-flex; align-items: center; gap: 10px; margin-top: 21px; padding: 8px 12px 8px 9px; border: 1px solid color-mix(in srgb, var(--line) 80%, transparent); border-radius: 14px; background: color-mix(in srgb, var(--surface) 72%, transparent); box-shadow: 0 7px 22px rgba(47,77,119,.07); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.counter-icon { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 10px; background: var(--surface-blue); color: var(--blue); font-size: 17px; font-weight: 800; }
.counter-value { display: flex; align-items: baseline; gap: 4px; color: var(--ink); }
.counter-value b { font-size: 16px; font-variant-numeric: tabular-nums; }
.counter-value small { color: var(--ink-soft); font-size: 10px; }
.counter-note { margin-left: 5px; padding-left: 12px; border-left: 1px solid var(--line); color: var(--muted); font-size: 9px; }

.practice-notes { padding-top: 95px; }
.fact-heading { margin-bottom: 27px; }
.fact-heading-actions { display: flex; align-items: center; gap: 16px; }
.fact-heading-actions > p { max-width: 220px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.button-pause { min-height: 41px; padding: 0 13px; font-size: 11px; white-space: nowrap; }
.button-pause[disabled] { cursor: default; opacity: .72; }
.fact-columns { display: grid; height: 420px; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: start; }
.fact-column { position: relative; height: 100%; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: color-mix(in srgb, var(--surface-soft) 70%, transparent); box-shadow: inset 0 1px 0 rgba(255,255,255,.55); }
.fact-column:nth-child(2) { height: calc(100% - 26px); margin-top: 26px; }
.fact-column:nth-child(3) { height: calc(100% - 10px); margin-top: 10px; }
.fact-track { display: grid; animation: fact-drift var(--column-speed, 30s) linear infinite; will-change: transform; }
.fact-column:nth-child(2) .fact-track { animation-direction: reverse; }
.fact-column:hover .fact-track,
.fact-column:focus-within .fact-track,
.fact-columns[data-paused="true"] .fact-track { animation-play-state: paused; }
.fact-group { display: grid; gap: 12px; padding: 10px 10px 22px; }
.fact-card { min-height: 116px; padding: 15px 16px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 6px 18px rgba(40,69,111,.055); }
.fact-kicker { display: block; color: var(--blue); font-size: 8px; font-weight: 800; letter-spacing: .08em; }
.fact-card h3 { margin: 8px 0 5px; font-size: 15px; font-weight: 800; letter-spacing: -.025em; line-height: 1.4; }
.fact-card p { min-height: 32px; margin: 0; color: var(--muted); font-size: 9px; line-height: 1.7; }
.fact-mark { display: inline-block; margin-top: 10px; padding: 4px 7px; border-radius: 7px; background: var(--surface-blue); color: var(--ink-soft); font-size: 8px; font-weight: 700; }
.fact-column:nth-child(2) .fact-kicker { color: var(--violet); }
.fact-column:nth-child(2) .fact-mark { background: var(--violet-soft); }
.fact-column:nth-child(3) .fact-kicker { color: var(--orange); }
.fact-column:nth-child(3) .fact-mark { background: var(--orange-soft); }

.market-main { overflow: hidden; }
.market-hero { display: grid; min-height: 510px; grid-template-columns: 1.04fr .96fr; align-items: center; gap: clamp(35px, 7vw, 88px); padding-top: 60px; padding-bottom: 52px; }
.market-hero-copy { position: relative; z-index: 1; }
.market-hero-copy h1 { max-width: 650px; margin: 19px 0 17px; font-size: clamp(42px, 5.4vw, 66px); font-weight: 800; letter-spacing: -.055em; line-height: 1.2; }
.market-hero-copy h1 span { color: var(--blue); }
.market-hero-copy > p { max-width: 490px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.market-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.market-pill { display: inline-flex; align-items: center; gap: 7px; min-height: 31px; padding: 0 11px; border: 1px solid var(--line); border-radius: 99px; background: color-mix(in srgb, var(--surface) 74%, transparent); color: var(--ink-soft); font-size: 9px; font-weight: 700; backdrop-filter: blur(10px); }
.market-pill-status i,
.skin-resource-state i { width: 7px; height: 7px; border-radius: 50%; background: #c59133; box-shadow: 0 0 0 4px rgba(197,145,51,.12); }
.plugin-stage,
.plugin-empty { position: relative; isolation: isolate; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 28px; background: linear-gradient(145deg, #132742, #1d3454 58%, #413456); color: #f3f7ff; box-shadow: 0 24px 58px rgba(31,55,89,.2); }
.plugin-stage { min-height: 355px; padding: 27px 29px 22px; }
.plugin-stage::before,
.plugin-empty::before { position: absolute; z-index: -1; inset: 0; background: radial-gradient(350px circle at var(--spot-x, 65%) var(--spot-y, 22%), rgba(255,255,255,.22), transparent 58%); content: ""; pointer-events: none; transition: opacity .2s ease; }
.plugin-stage::after,
.plugin-empty::after { position: absolute; z-index: -2; inset: 0; background: radial-gradient(ellipse 65% 50% at 78% 13%, rgba(114,153,255,.24), transparent 72%), radial-gradient(ellipse 55% 58% at 9% 90%, rgba(209,97,143,.24), transparent 70%); content: ""; pointer-events: none; }
.stage-aurora { position: absolute; z-index: -1; top: 65px; right: -54px; width: 250px; height: 250px; border: 1px solid rgba(223,235,255,.17); border-radius: 50%; box-shadow: 0 0 0 30px rgba(210,225,255,.025), 0 0 0 61px rgba(210,225,255,.025); animation: stage-breathe 8s ease-in-out infinite; }
.stage-orbit { position: absolute; top: 109px; right: 26px; display: block; width: 182px; height: 182px; border: 1px dashed rgba(238,244,255,.2); border-radius: 50%; animation: orbit-turn 30s linear infinite; }
.stage-orbit i { position: absolute; width: 9px; height: 9px; border: 2px solid #d4e2ff; border-radius: 50%; background: #86a9ff; box-shadow: 0 0 14px rgba(156,183,255,.74); }
.stage-orbit i:nth-child(1) { top: -4px; left: calc(50% - 4px); }
.stage-orbit i:nth-child(2) { top: calc(50% - 4px); right: -4px; }
.stage-orbit i:nth-child(3) { bottom: -4px; left: calc(50% - 4px); }
.stage-orbit i:nth-child(4) { top: calc(50% - 4px); left: -4px; }
.stage-topline,
.stage-footer { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; color: #b9cbe4; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.stage-state { display: inline-flex; align-items: center; gap: 7px; padding: 5px 9px; border: 1px solid rgba(255,255,255,.16); border-radius: 99px; background: rgba(255,255,255,.08); color: #e4edf9; font-size: 8px; letter-spacing: 0; text-transform: none; backdrop-filter: blur(12px); }
.stage-state i { width: 6px; height: 6px; border-radius: 50%; background: #e1ae54; box-shadow: 0 0 0 4px rgba(225,174,84,.15); }
.stage-count { position: relative; z-index: 1; display: grid; justify-items: start; margin-top: 55px; }
.stage-count strong { font-size: clamp(65px, 9vw, 100px); font-weight: 750; letter-spacing: -.08em; line-height: .94; }
.stage-count span { margin: 9px 0 0 7px; color: #d2deef; font-size: 12px; }
.plugin-stage > p { position: relative; z-index: 1; max-width: 290px; margin: 22px 0 20px; color: #b9cbe4; font-size: 10px; line-height: 1.8; }
.stage-footer { justify-content: flex-start; gap: 10px; padding-top: 13px; border-top: 1px solid rgba(255,255,255,.13); color: rgba(207,220,241,.55); font-size: 7px; }
.market-catalog,
.skin-catalog { padding-top: 22px; padding-bottom: 76px; }
.market-section-heading { margin-bottom: 25px; }
.market-section-heading h2 { font-size: clamp(29px, 3.5vw, 40px); }
.market-section-heading > p { max-width: 310px; }
.plugin-empty { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; min-height: 186px; padding: 28px 31px; }
.empty-symbol { display: grid; width: 61px; height: 61px; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 19px; background: rgba(255,255,255,.1); color: #e1eaff; font-size: 34px; font-weight: 300; box-shadow: inset 0 1px 0 rgba(255,255,255,.18); backdrop-filter: blur(14px); }
.empty-copy { position: relative; z-index: 1; }
.empty-copy .feature-index { color: #c2a0ec; }
.empty-copy h3 { margin: 8px 0 5px; font-size: 20px; }
.empty-copy p { max-width: 530px; margin: 0; color: #b9cbe4; font-size: 10px; line-height: 1.8; }
.empty-aside { position: relative; z-index: 1; display: grid; justify-items: end; gap: 13px; }
.empty-aside .button { min-height: 41px; padding: 0 13px; font-size: 10px; }
.empty-status { display: inline-flex; align-items: center; gap: 7px; color: #c6d4e8; font-size: 9px; }
.empty-status i { width: 6px; height: 6px; border-radius: 50%; background: #dca548; }
.market-link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 16px; }
.market-link-card { display: flex; align-items: center; gap: 13px; min-height: 83px; padding: 15px 18px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); box-shadow: 0 8px 23px rgba(42,69,111,.05); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.market-link-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--blue) 40%, var(--line)); box-shadow: var(--shadow-soft); }
.market-link-icon { display: grid; width: 39px; height: 39px; flex: 0 0 auto; place-items: center; border-radius: 12px; background: var(--rose-soft); color: var(--rose); font-size: 18px; }
.market-link-icon-blue { background: var(--surface-blue); color: var(--blue); }
.market-link-card > span:nth-child(2) { display: grid; gap: 2px; }
.market-link-card b { font-size: 11px; }
.market-link-card small { color: var(--muted); font-size: 9px; }
.market-link-arrow { margin-left: auto; color: var(--blue); font-size: 17px; }

.skin-market-hero { grid-template-columns: 1fr 1fr; }
.skin-market-hero .market-hero-copy h1 { font-size: clamp(38px, 4.1vw, 51px); }
.skin-hero-stage { position: relative; min-width: 0; height: 400px; }
.skin-hero-paper { position: absolute; inset: 20px 5% 21px 12%; border: 1px solid color-mix(in srgb, var(--blue) 18%, var(--line)); border-radius: 40% 38% 29% 31%; background: radial-gradient(ellipse at 48% 48%, color-mix(in srgb, var(--blue) 10%, transparent), transparent 67%), color-mix(in srgb, var(--surface) 57%, transparent); transform: rotate(-7deg); }
.skin-hero-image { position: absolute; overflow: hidden; border: 5px solid var(--surface); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow); }
.skin-hero-image-anna { top: 30px; left: 2%; width: 74%; transform: rotate(-4deg); }
.skin-hero-image-anna img { width: 100%; height: auto; }
.skin-hero-image-chiyo { right: 0; bottom: 13px; display: grid; width: 37%; height: 50%; place-items: end center; border-radius: 20px; background: linear-gradient(145deg, #fff6ed, #f6dfe2); transform: rotate(5deg); }
.skin-hero-image-chiyo img { width: 100%; max-height: 110%; object-fit: contain; object-position: center bottom; }
.skin-hero-note { position: absolute; right: 3%; bottom: 4px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 99px; background: color-mix(in srgb, var(--surface) 84%, transparent); color: var(--ink-soft); font-size: 9px; font-weight: 700; box-shadow: var(--shadow-soft); backdrop-filter: blur(13px); }
.skin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.skin-card { overflow: hidden; border: 1px solid var(--line); border-radius: 23px; background: var(--surface); box-shadow: 0 10px 32px rgba(42,69,111,.065); transition: transform .24s ease, box-shadow .24s ease; }
.skin-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.skin-art { position: relative; overflow: hidden; display: flex; min-height: 270px; align-items: center; justify-content: center; padding: 27px 24px 22px; }
.skin-art-anna { background: radial-gradient(ellipse at 73% 24%, rgba(54,142,255,.25), transparent 46%), linear-gradient(135deg,#e6f4ff,#f7f9ff 58%,#dceaff); }
.skin-art-anna::before { position: absolute; top: 49px; right: -62px; width: 230px; height: 230px; border: 1px solid rgba(32,92,207,.18); border-radius: 50%; box-shadow: 0 0 0 23px rgba(32,92,207,.035), 0 0 0 47px rgba(32,92,207,.035); content: ""; }
.skin-art-anna img { position: relative; z-index: 1; width: 89%; border: 5px solid rgba(255,255,255,.9); border-radius: 13px; box-shadow: 0 18px 34px rgba(35,78,136,.18); transform: rotate(-2deg); }
.skin-art-chiyo { background: radial-gradient(ellipse at 72% 42%, rgba(227,145,120,.2), transparent 46%), linear-gradient(130deg,#fff5e9,#fffdf8 58%,#f6dce2); }
.skin-art-chiyo img { position: absolute; right: 2%; bottom: -10%; width: 70%; height: 113%; object-fit: contain; object-position: center bottom; filter: drop-shadow(0 10px 18px rgba(132,68,74,.12)); }
.skin-chip { position: absolute; z-index: 2; top: 16px; left: 18px; padding: 5px 8px; border: 1px solid rgba(255,255,255,.72); border-radius: 8px; background: rgba(255,255,255,.64); color: #35577f; font-size: 7px; font-weight: 800; letter-spacing: .12em; backdrop-filter: blur(9px); }
.skin-art-caption { position: absolute; z-index: 2; right: 18px; bottom: 16px; color: rgba(31,55,83,.62); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.chiyo-paper-marks { position: absolute; inset: 0; }
.chiyo-paper-marks::before { position: absolute; top: 31%; left: 11%; width: 25%; height: 2px; background: rgba(174,92,85,.31); box-shadow: 0 12px rgba(174,92,85,.17), 0 24px rgba(174,92,85,.17); content: ""; transform: rotate(-9deg); }
.chiyo-paper-marks i { position: absolute; width: 11px; height: 11px; border: 1px solid rgba(174,92,85,.42); border-radius: 50%; }
.chiyo-paper-marks i:nth-child(1) { top: 25%; right: 18%; }
.chiyo-paper-marks i:nth-child(2) { top: 66%; left: 12%; width: 7px; height: 7px; }
.chiyo-paper-marks i:nth-child(3) { top: 17%; left: 47%; width: 5px; height: 5px; background: rgba(174,92,85,.22); }
.skin-card-body { padding: 21px 22px 18px; }
.skin-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.skin-card-kicker { color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .08em; }
.skin-card-heading h3 { margin: 5px 0 0; font-size: 21px; letter-spacing: -.035em; }
.skin-index { color: color-mix(in srgb, var(--blue) 47%, var(--line)); font-size: 26px; font-weight: 800; letter-spacing: -.08em; line-height: 1; }
.skin-card-body > p { min-height: 39px; margin: 12px 0 17px; color: var(--muted); font-size: 10px; line-height: 1.8; }
.skin-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 13px; border-top: 1px solid var(--line); }
.skin-resource-state { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: 8px; font-weight: 700; }
.skin-resource-state i { background: #49a77b; box-shadow: 0 0 0 4px rgba(73,167,123,.12); }
.skin-preview-state i { background: #c59133; box-shadow: 0 0 0 4px rgba(197,145,51,.12); }
.skin-card-footer .text-link { font-size: 9px; }
.skin-market-note { display: flex; align-items: center; gap: 14px; margin-top: 18px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); }
.skin-note-icon { display: grid; width: 35px; height: 35px; flex: 0 0 auto; place-items: center; border-radius: 11px; background: var(--gold); color: white; font-size: 18px; }
.skin-market-note p { flex: 1; margin: 0; color: var(--muted); font-size: 9px; line-height: 1.8; }
.skin-market-note p b { color: var(--ink); font-size: 10px; }
.skin-market-note .button { min-height: 39px; padding: 0 12px; font-size: 9px; white-space: nowrap; }
.skin-market-close { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-bottom: 70px; padding: 34px 39px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(110deg, color-mix(in srgb, var(--surface-blue) 72%, var(--surface)), var(--surface), color-mix(in srgb, var(--rose-soft) 47%, var(--surface))); }
.skin-market-close h2 { margin: 11px 0 0; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.04em; line-height: 1.35; }

.desktop-nav a[aria-current="page"],
.footer-actions a[aria-current="page"] { color: var(--blue); }
.footer-actions a { transition: color .2s ease; }
.footer-actions a:hover { color: var(--blue); }

@keyframes aurora-drift { 0% { transform: translate3d(-1.2%, .5%, 0) scale(.98); } 50% { transform: translate3d(1.7%, -1.2%, 0) scale(1.035); } 100% { transform: translate3d(-.5%, 1.1%, 0) scale(1); } }
@keyframes aurora-turn { to { transform: rotate(24deg) scale(1.04); } }
@keyframes fact-drift { to { transform: translateY(-50%); } }
@keyframes stage-breathe { 0%, 100% { transform: scale(.97); opacity: .75; } 50% { transform: scale(1.04); opacity: 1; } }
@keyframes orbit-turn { to { transform: rotate(360deg); } }

@media (max-width: 980px) {
  .desktop-nav { gap: 15px; font-size: 11px; }
  .header-inner { gap: 15px; }
  .header-actions { gap: 7px; }
  .header-actions .button-small { padding-inline: 12px; }
  .market-hero { gap: 28px; }
  .market-hero-copy h1 { font-size: clamp(39px, 5vw, 56px); }
  .plugin-stage { min-height: 330px; padding: 23px; }
  .stage-orbit { right: 18px; width: 155px; height: 155px; }
  .plugin-empty { grid-template-columns: auto 1fr; }
  .empty-aside { grid-column: 2; grid-template-columns: auto auto; justify-items: start; align-items: center; }
  .skin-hero-stage { height: 345px; }
  .skin-art { min-height: 230px; }
}
@media (max-width: 700px) {
  .header-inner { flex-wrap: wrap; row-gap: 7px; padding-top: 8px; padding-bottom: 7px; }
  .desktop-nav { order: 3; display: flex; width: 100%; gap: 18px; overflow-x: auto; padding: 3px 1px 4px; font-size: 10px; scrollbar-width: none; }
  .desktop-nav::-webkit-scrollbar { display: none; }
  .desktop-nav a { flex: 0 0 auto; }
  .header-actions { margin-left: auto; }
  .download-counter { margin-top: 15px; }
  .counter-note { font-size: 8px; }
  .practice-notes { padding-top: 66px; }
  .fact-heading-actions { align-items: flex-start; flex-direction: column; gap: 11px; margin-top: 14px; }
  .fact-heading-actions > p { max-width: 320px; }
  .fact-columns { height: auto; grid-template-columns: 1fr; gap: 11px; }
  .fact-column, .fact-column:nth-child(2), .fact-column:nth-child(3) { height: auto; max-height: none; margin-top: 0; overflow: visible; border: 0; background: transparent; box-shadow: none; }
  .fact-track { display: block; animation: none; }
  .fact-group { gap: 9px; padding: 0; }
  .fact-group[aria-hidden="true"] { display: none; }
  .fact-card { min-height: auto; padding: 14px 15px; }
  .fact-card p { min-height: 0; }
  .market-hero { min-height: auto; grid-template-columns: 1fr; gap: 25px; padding-top: 48px; padding-bottom: 38px; }
  .market-hero-copy h1 { margin: 15px 0 13px; font-size: clamp(39px, 10.5vw, 53px); }
  .market-hero-copy > p { font-size: 12px; }
  .market-pills { margin-top: 17px; }
  .plugin-stage { min-height: 285px; padding: 21px; border-radius: 22px; }
  .stage-count { margin-top: 39px; }
  .stage-count strong { font-size: 75px; }
  .stage-orbit { top: 82px; right: 28px; width: 142px; height: 142px; }
  .market-catalog, .skin-catalog { padding-top: 14px; padding-bottom: 52px; }
  .market-section-heading { margin-bottom: 19px; }
  .market-section-heading h2 { font-size: 29px; }
  .market-section-heading > p { margin-top: 11px; }
  .plugin-empty { grid-template-columns: auto 1fr; gap: 15px; min-height: auto; padding: 20px; border-radius: 22px; }
  .empty-symbol { width: 45px; height: 45px; border-radius: 14px; font-size: 27px; }
  .empty-copy h3 { font-size: 17px; }
  .empty-copy p { font-size: 9px; }
  .empty-aside { grid-column: 1 / -1; grid-template-columns: 1fr auto; justify-items: start; gap: 9px; }
  .empty-aside .button { min-height: 38px; font-size: 9px; }
  .market-link-grid { grid-template-columns: 1fr; gap: 9px; }
  .market-link-card { min-height: 70px; }
  .skin-market-hero { gap: 10px; }
  .skin-hero-stage { height: 300px; margin-inline: -7px; }
  .skin-hero-image-anna { top: 22px; left: 0; width: 78%; }
  .skin-hero-image-chiyo { right: 0; bottom: 10px; width: 38%; height: 48%; }
  .skin-hero-note { right: 0; bottom: 1px; font-size: 8px; }
  .skin-grid { grid-template-columns: 1fr; gap: 13px; }
  .skin-art { min-height: 225px; }
  .skin-card-body { padding: 18px 18px 16px; }
  .skin-card-heading h3 { font-size: 19px; }
  .skin-card-body > p { min-height: 0; }
  .skin-market-note { display: grid; grid-template-columns: auto 1fr; gap: 11px; padding: 14px; }
  .skin-market-note .button { grid-column: 1 / -1; justify-content: center; }
  .skin-market-close { display: grid; gap: 18px; margin-bottom: 48px; padding: 23px 21px; border-radius: 21px; }
  .skin-market-close .button { width: 100%; }
}
@media (max-width: 390px) {
  .market-hero-copy h1 { font-size: 38px; }
  .stage-orbit { right: 17px; width: 128px; height: 128px; }
  .skin-card-footer { align-items: flex-start; flex-direction: column; }
  .skin-card-footer .text-link { font-size: 9px; }
  .counter-note { margin-left: 0; padding-left: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .aurora-surface::before, .aurora-surface::after, .stage-aurora, .stage-orbit, .fact-track { animation: none !important; }
  .fact-column { scroll-behavior: auto; }
}

/* 全站光场跟随品牌配色缓慢流动 */
body {
  position: relative;
  isolation: isolate;
  background: var(--page);
}
body::before,
body::after {
  position: fixed;
  z-index: -1;
  inset: -18vmax;
  content: "";
  pointer-events: none;
  transform-origin: center;
}
body::before {
  background:
    radial-gradient(ellipse 33% 41% at 12% 17%, color-mix(in srgb, var(--rose) 22%, transparent), transparent 76%),
    radial-gradient(ellipse 31% 44% at 50% 12%, color-mix(in srgb, var(--violet) 17%, transparent), transparent 75%),
    radial-gradient(ellipse 35% 44% at 87% 40%, color-mix(in srgb, var(--blue) 19%, transparent), transparent 76%),
    radial-gradient(ellipse 36% 38% at 46% 85%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 78%);
  filter: blur(48px) saturate(125%);
  opacity: .52;
  animation: aurora-drift 26s ease-in-out infinite alternate;
}
body::after {
  background:
    radial-gradient(ellipse 30% 38% at 78% 84%, color-mix(in srgb, var(--rose) 13%, transparent), transparent 75%),
    conic-gradient(from 205deg at 51% 49%, transparent 0 22%, color-mix(in srgb, var(--blue) 9%, transparent) 30%, transparent 41% 58%, color-mix(in srgb, var(--violet) 10%, transparent) 66%, transparent 78% 100%);
  filter: blur(58px);
  opacity: .34;
  animation: aurora-turn 38s ease-in-out infinite alternate;
}
:root[data-theme="dark"] body::before { opacity: .33; }
:root[data-theme="dark"] body::after { opacity: .24; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) body::before { opacity: .33; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) body::after { opacity: .24; }
}
.aurora-surface::before { opacity: .28; }
.aurora-surface::after { opacity: .2; }
:root[data-theme="dark"] .aurora-surface::before { opacity: .2; }
:root[data-theme="dark"] .aurora-surface::after { opacity: .15; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .aurora-surface::before { opacity: .2; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .aurora-surface::after { opacity: .15; }
}

/* 统一卡片材质，并在鼠标附近显示柔和聚光 */
.fact-card,
.market-link-card,
.skin-card,
.skin-market-note,
.skin-market-close,
.screenshot-frame {
  position: relative;
  isolation: isolate;
}
.feature-card,
.fact-card,
.screens-card,
.download-panel,
.preview-window,
.float-note,
.download-counter,
.screenshot-frame,
.timer-demo,
.market-link-card,
.skin-card,
.skin-market-note,
.skin-market-close,
.skin-hero-image {
  isolation: isolate;
  backdrop-filter: blur(14px) saturate(118%);
  -webkit-backdrop-filter: blur(14px) saturate(118%);
}
.feature-card::after,
.fact-card::after,
.screens-card::after,
.download-panel::after,
.preview-window::after,
.float-note::after,
.download-counter::after,
.screenshot-frame::after,
.timer-demo::after,
.market-link-card::after,
.skin-card::after,
.skin-market-note::after,
.skin-market-close::after,
.skin-hero-image::after {
  position: absolute;
  z-index: 3;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--spot-x, 50%) var(--spot-y, 50%), rgba(255,255,255,.34), transparent 72%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity .24s ease;
}
.feature-card:hover::after,
.fact-card:hover::after,
.screens-card:hover::after,
.download-panel:hover::after,
.preview-window:hover::after,
.float-note:hover::after,
.download-counter:hover::after,
.screenshot-frame:hover::after,
.timer-demo:hover::after,
.market-link-card:hover::after,
.skin-card:hover::after,
.skin-market-note:hover::after,
.skin-market-close:hover::after,
.skin-hero-image:hover::after { opacity: .72; }
.feature-card,
.fact-card,
.screens-card,
.download-panel,
.preview-window,
.float-note,
.download-counter,
.screenshot-frame,
.timer-demo,
.market-link-card,
.skin-card,
.skin-market-note,
.skin-market-close,
.skin-hero-image {
  --spot-x: 50%;
  --spot-y: 50%;
}
:root[data-theme="dark"] .feature-card::after,
:root[data-theme="dark"] .fact-card::after,
:root[data-theme="dark"] .screens-card::after,
:root[data-theme="dark"] .download-panel::after,
:root[data-theme="dark"] .preview-window::after,
:root[data-theme="dark"] .float-note::after,
:root[data-theme="dark"] .download-counter::after,
:root[data-theme="dark"] .screenshot-frame::after,
:root[data-theme="dark"] .timer-demo::after,
:root[data-theme="dark"] .market-link-card::after,
:root[data-theme="dark"] .skin-card::after,
:root[data-theme="dark"] .skin-market-note::after,
:root[data-theme="dark"] .skin-market-close::after,
:root[data-theme="dark"] .skin-hero-image::after {
  background: radial-gradient(260px circle at var(--spot-x, 50%) var(--spot-y, 50%), rgba(142,184,255,.3), transparent 72%);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .feature-card::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .fact-card::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .screens-card::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .download-panel::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .preview-window::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .float-note::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .download-counter::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .screenshot-frame::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .timer-demo::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .market-link-card::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .skin-card::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .skin-market-note::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .skin-market-close::after,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .skin-hero-image::after {
    background: radial-gradient(260px circle at var(--spot-x, 50%) var(--spot-y, 50%), rgba(142,184,255,.3), transparent 72%);
  }
}
@media (hover: none) {
  .feature-card::after,
  .fact-card::after,
  .screens-card::after,
  .download-panel::after,
  .preview-window::after,
  .float-note::after,
  .download-counter::after,
  .screenshot-frame::after,
  .timer-demo::after,
  .market-link-card::after,
  .skin-card::after,
  .skin-market-note::after,
  .skin-market-close::after,
  .skin-hero-image::after { display: none; }
}

/* 按钮统一为带品牌色的液态玻璃 */
.button,
.theme-toggle,
.footer-donate,
.dialog-close {
  border: 1px solid color-mix(in srgb, var(--line-strong) 66%, white);
  background-color: color-mix(in srgb, var(--surface) 68%, transparent);
  background-image: linear-gradient(135deg, rgba(255,255,255,.38), rgba(255,255,255,.05) 48%, rgba(255,255,255,.13));
  color: var(--ink-soft);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.68), inset 0 -1px 0 rgba(255,255,255,.16), 0 8px 22px rgba(42,69,111,.1);
  backdrop-filter: blur(18px) saturate(155%);
  -webkit-backdrop-filter: blur(18px) saturate(155%);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background-color .22s ease;
}
.button-primary {
  border-color: color-mix(in srgb, var(--blue) 54%, white);
  background-color: var(--blue);
  background-image: linear-gradient(135deg, rgba(255,255,255,.36), rgba(255,255,255,.08) 42%, color-mix(in srgb, var(--violet) 28%, transparent));
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.58), inset 0 -1px 0 rgba(35,53,102,.14), 0 10px 25px color-mix(in srgb, var(--blue) 25%, transparent);
}
.button-primary:hover:not(.is-disabled) {
  background-color: var(--blue-deep);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.66), 0 13px 30px color-mix(in srgb, var(--blue) 34%, transparent);
}
.button-secondary,
.button-glass {
  border-color: color-mix(in srgb, var(--line-strong) 72%, white);
  background-color: color-mix(in srgb, var(--surface) 66%, transparent);
  color: var(--ink);
}
.button-secondary:hover:not(.is-disabled),
.button-glass:hover:not(.is-disabled),
.theme-toggle:hover,
.footer-donate:hover,
.dialog-close:hover {
  border-color: color-mix(in srgb, var(--blue) 54%, var(--line));
  background-color: color-mix(in srgb, var(--surface) 82%, transparent);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.78), 0 12px 27px rgba(30,58,100,.14);
}
.button-quiet {
  border-color: color-mix(in srgb, var(--line) 78%, transparent);
  background-color: color-mix(in srgb, var(--surface) 48%, transparent);
  color: var(--ink-soft);
}
.button-quiet:hover:not(.is-disabled) { background-color: color-mix(in srgb, var(--surface) 78%, transparent); }
.theme-toggle:hover { transform: translateY(-1px); }
.footer-donate { padding: 6px 9px; border-radius: 10px; color: var(--rose); cursor: pointer; font-size: 9px; font-weight: 700; }
.dialog-close { border-radius: 50%; }
.button:focus-visible,
.theme-toggle:focus-visible,
.footer-donate:focus-visible,
.dialog-close:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 48%, transparent); outline-offset: 3px; }
.button:disabled { cursor: not-allowed; filter: saturate(.7); }
:root[data-theme="dark"] .button,
:root[data-theme="dark"] .theme-toggle,
:root[data-theme="dark"] .footer-donate,
:root[data-theme="dark"] .dialog-close {
  border-color: color-mix(in srgb, var(--line-strong) 74%, transparent);
  background-color: rgba(242,247,255,.1);
  background-image: linear-gradient(135deg, rgba(255,255,255,.2), rgba(255,255,255,.025) 54%, rgba(255,255,255,.08));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 9px 26px rgba(0,0,0,.19);
}
:root[data-theme="dark"] .button-primary {
  border-color: color-mix(in srgb, var(--blue) 54%, white);
  background-color: var(--blue-deep);
  background-image: linear-gradient(135deg, rgba(255,255,255,.29), rgba(255,255,255,.06) 50%, rgba(147,107,255,.18));
}
:root[data-theme="dark"] .button-secondary,
:root[data-theme="dark"] .button-glass,
:root[data-theme="dark"] .button-quiet { background-color: rgba(242,247,255,.08); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .button,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .theme-toggle,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .footer-donate,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .dialog-close {
    border-color: color-mix(in srgb, var(--line-strong) 74%, transparent);
    background-color: rgba(242,247,255,.1);
    background-image: linear-gradient(135deg, rgba(255,255,255,.2), rgba(255,255,255,.025) 54%, rgba(255,255,255,.08));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 9px 26px rgba(0,0,0,.19);
  }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .button-primary {
    background-color: var(--blue-deep);
    background-image: linear-gradient(135deg, rgba(255,255,255,.29), rgba(255,255,255,.06) 50%, rgba(147,107,255,.18));
  }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .button-secondary,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .button-glass,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .button-quiet { background-color: rgba(242,247,255,.08); }
}
@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after,
  .aurora-surface::before,
  .aurora-surface::after { animation: none !important; }
  .feature-card::after,
  .fact-card::after,
  .screens-card::after,
  .download-panel::after,
  .preview-window::after,
  .float-note::after,
  .download-counter::after,
  .screenshot-frame::after,
  .timer-demo::after,
  .market-link-card::after,
  .skin-card::after,
  .skin-market-note::after,
  .skin-market-close::after,
  .skin-hero-image::after { transition: none !important; }
}

/* 下载次数作为独立宣传区呈现，而不是操作按钮。 */
.download-counter-section { padding-bottom: clamp(52px, 7vw, 88px); }
.download-counter {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(270px, .72fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: 264px;
  margin: 0;
  padding: 42px clamp(28px, 5vw, 66px);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--blue) 19%, var(--line));
  border-radius: 32px;
  background:
    radial-gradient(ellipse at 88% 12%, color-mix(in srgb, var(--rose) 17%, transparent), transparent 40%),
    radial-gradient(ellipse at 8% 100%, color-mix(in srgb, var(--blue) 14%, transparent), transparent 45%),
    linear-gradient(118deg, color-mix(in srgb, var(--surface) 94%, white), color-mix(in srgb, var(--surface-blue) 74%, var(--surface)) 72%, color-mix(in srgb, var(--surface) 90%, white));
  box-shadow: var(--shadow-soft);
}
.counter-copy,
.counter-stat { position: relative; z-index: 1; }
.counter-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.counter-kicker i { width: 7px; height: 7px; border-radius: 50%; background: var(--rose); box-shadow: 0 0 0 5px color-mix(in srgb, var(--rose) 13%, transparent); }
.counter-copy h2 { margin: 14px 0 10px; font-size: clamp(28px, 3.1vw, 40px); font-weight: 800; letter-spacing: -.045em; line-height: 1.3; }
.counter-copy p { max-width: 420px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.85; }
.counter-stat { min-height: 165px; padding: 5px 0 5px clamp(28px, 4vw, 56px); border-left: 1px solid color-mix(in srgb, var(--blue) 20%, var(--line)); }
.counter-stat-head { display: flex; align-items: center; justify-content: space-between; gap: 15px; color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.counter-live { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 10px; font-weight: 600; white-space: nowrap; }
.counter-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px color-mix(in srgb, var(--gold) 16%, transparent); }
.counter-value { display: flex; align-items: baseline; gap: 12px; margin: 2px 0 0; color: var(--ink); line-height: 1; }
.counter-value b { font-size: clamp(78px, 10vw, 118px); font-weight: 750; font-variant-numeric: tabular-nums; letter-spacing: -.075em; }
.counter-unit { color: var(--blue); font-size: 16px; font-weight: 700; }
.counter-note { display: inline-flex; align-items: center; gap: 8px; margin: 14px 0 0; padding: 0; border: 0; color: var(--muted); font-size: 10px; }
.counter-note-mark { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; background: color-mix(in srgb, var(--blue) 10%, var(--surface)); color: var(--blue); font-size: 13px; font-weight: 800; }
.counter-ornament { position: absolute; z-index: 0; inset: 0 0 0 36%; overflow: hidden; pointer-events: none; }
.counter-ornament svg { position: absolute; top: 0; right: 0; width: 100%; height: 100%; overflow: visible; fill: none; stroke: color-mix(in srgb, var(--blue) 16%, transparent); stroke-width: 1.2; }
.counter-ornament circle { fill: color-mix(in srgb, var(--rose) 62%, var(--surface)); stroke: color-mix(in srgb, var(--rose) 35%, transparent); stroke-width: 2; }
:root[data-theme="dark"] .download-counter { background:
  radial-gradient(ellipse at 88% 12%, color-mix(in srgb, var(--rose) 16%, transparent), transparent 40%),
  radial-gradient(ellipse at 8% 100%, color-mix(in srgb, var(--blue) 17%, transparent), transparent 45%),
  linear-gradient(118deg, color-mix(in srgb, var(--surface) 93%, white), color-mix(in srgb, var(--surface-blue) 82%, var(--surface)) 72%, color-mix(in srgb, var(--surface) 90%, white)); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .download-counter { background:
    radial-gradient(ellipse at 88% 12%, color-mix(in srgb, var(--rose) 16%, transparent), transparent 40%),
    radial-gradient(ellipse at 8% 100%, color-mix(in srgb, var(--blue) 17%, transparent), transparent 45%),
    linear-gradient(118deg, color-mix(in srgb, var(--surface) 93%, white), color-mix(in srgb, var(--surface-blue) 82%, var(--surface)) 72%, color-mix(in srgb, var(--surface) 90%, white)); }
}
@media (max-width: 760px) {
  .download-counter { grid-template-columns: 1fr; gap: 23px; min-height: 0; padding: 32px 30px; }
  .counter-copy h2 { font-size: clamp(28px, 6vw, 36px); }
  .counter-stat { min-height: 0; padding: 20px 0 0; border-top: 1px solid color-mix(in srgb, var(--blue) 20%, var(--line)); border-left: 0; }
  .counter-value b { font-size: clamp(76px, 18vw, 102px); }
  .counter-ornament { inset: 0 0 28% 24%; }
}
@media (max-width: 430px) {
  .download-counter-section { padding-bottom: 52px; }
  .download-counter { gap: 20px; padding: 25px 22px; border-radius: 25px; }
  .counter-kicker { font-size: 9px; }
  .counter-copy h2 { margin-top: 12px; font-size: 29px; }
  .counter-copy p { font-size: 11px; }
  .counter-stat-head { font-size: 11px; }
  .counter-live { font-size: 9px; }
  .counter-value { gap: 9px; }
  .counter-value b { font-size: 82px; }
  .counter-unit { font-size: 14px; }
  .counter-note { font-size: 9px; }
}

/* 提高功能标题的辨识度，并使用真实产品画面支撑介绍。 */
.feature-index { gap: 9px; font-size: 11px; letter-spacing: .09em; }
.feature-index::before { width: 24px; height: 3px; }
.feature-copy h3,
.appearance-copy h3 { font-size: clamp(24px, 2.7vw, 32px); }
.timer-video-demo { align-self: end; margin-top: 18px; padding: 12px; }
.timer-video-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 10px; color: var(--ink-soft); font-size: 9px; font-weight: 700; }
.timer-video-heading > span:first-child { display: inline-flex; align-items: center; gap: 7px; }
.timer-video-heading i { width: 7px; height: 7px; border-radius: 50%; background: #2f9a75; box-shadow: 0 0 0 4px color-mix(in srgb, #2f9a75 13%, transparent); }
.timer-video-heading > span:last-child { color: var(--muted); font-weight: 500; }
.timer-video-window { overflow: hidden; width: 100%; aspect-ratio: 16 / 9; border: 1px solid color-mix(in srgb, var(--violet) 24%, var(--line)); border-radius: 11px; background: var(--page-warm); }
.timer-video-window video { display: block; width: 100%; height: 100%; object-fit: cover; }
.timer-video-caption { margin: 8px 2px 0; color: var(--muted); font-size: 8px; line-height: 1.5; }
.review-real-frame,
.answer-real-frame { position: relative; align-self: center; min-width: 0; overflow: hidden; padding: 0; border: 1px solid var(--line); border-radius: 15px; background: var(--page-warm); box-shadow: var(--shadow-soft); }
.review-real-frame { aspect-ratio: 16 / 9; }
.answer-real-frame { aspect-ratio: 2.35 / 1; }
.review-real-frame img,
.answer-real-frame img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.skin-market-hero .market-hero-copy h1 { font-size: clamp(42px, 4.6vw, 58px); }
.skin-market-hero .market-hero-copy h1 span { color: var(--blue); }
.skin-hero-image-default { top: 30px; left: 2%; width: 74%; transform: rotate(-4deg); }
.skin-hero-image-default img { width: 100%; height: auto; }
.skin-hero-image-industrial { right: 0; bottom: 13px; display: block; width: 48%; height: 45%; border-radius: 20px; transform: rotate(5deg); }
.skin-hero-image-industrial img { position: absolute; top: -150%; left: -188%; width: 300%; max-width: none; height: auto; object-fit: cover; object-position: left top; }
.skin-hero-note { right: 2%; bottom: 4px; }
.skin-art-default { background: radial-gradient(ellipse at 77% 20%, color-mix(in srgb, var(--blue) 19%, transparent), transparent 48%), linear-gradient(135deg, var(--surface-blue), var(--page-warm) 62%, color-mix(in srgb, var(--rose-soft) 56%, var(--surface))); }
.skin-art-default img { position: relative; z-index: 1; width: 89%; border: 5px solid rgba(255,255,255,.9); border-radius: 13px; box-shadow: 0 18px 34px rgba(35,78,136,.18); transform: rotate(-2deg); }
.skin-art-industrial { background: radial-gradient(ellipse at 75% 20%, color-mix(in srgb, var(--gold) 15%, transparent), transparent 45%), linear-gradient(135deg, #e9edf0, #fafbfd 62%, #dfe5e9); }
.skin-art-industrial img { position: absolute; top: -234%; left: -188%; width: 300%; max-width: none; height: auto; object-fit: cover; }
.skin-card-kicker { color: var(--blue); }
.skin-card-footer .skin-resource-state { color: var(--ink-soft); }
@media (max-width: 760px) {
  .feature-index { font-size: 10.5px; }
  .feature-copy h3,
  .appearance-copy h3 { font-size: 26px; }
  .timer-video-demo { align-self: stretch; margin-top: 0; }
  .review-real-frame,
  .answer-real-frame { width: 100%; }
  .answer-real-frame { aspect-ratio: 2.15 / 1; }
  .skin-hero-image-default { top: 22px; left: 0; width: 78%; }
  .skin-hero-image-industrial { right: 0; bottom: 10px; width: 48%; height: 38%; }
  .skin-hero-image-industrial img,
  .skin-art-industrial img { top: -191%; }
  .skin-hero-image-industrial img { top: -200%; }
  .skin-hero-note { right: 0; bottom: 1px; font-size: 8px; }
  .skin-art-default,
  .skin-art-industrial { min-height: 225px; }
}

/* 发布版新素材：真实视频按视口播放，两款皮肤展示各自的实际界面。 */
.screenshot-frame video { display: block; width: 100%; height: 213px; object-fit: cover; object-position: 20% 10%; }
.stack-card { aspect-ratio: 16 / 10; }
.stack-card video { display: block; width: 100%; height: 100%; object-fit: cover; }
.skin-hero-image-industrial img { position: relative; inset: auto; display: block; width: 100%; max-width: 100%; height: 100%; object-fit: contain; object-position: center; background: #edf0f2; }
.skin-art-industrial img { position: relative; inset: auto; z-index: 1; width: 89%; max-width: none; height: auto; border: 5px solid rgba(255,255,255,.9); border-radius: 13px; box-shadow: 0 18px 34px rgba(35,78,136,.18); object-fit: cover; transform: rotate(2deg); }
@media (max-width: 1100px) {
  .feature-bank .screenshot-frame video { height: 190px; }
}
@media (max-width: 760px) {
  .feature-bank .screenshot-frame video { height: auto; max-height: 210px; }
  .skin-hero-image-industrial img { top: auto; left: auto; }
}

/* 让网页视频的画框匹配应用窗口比例，避免再次裁掉软件界面。 */
.feature-bank .screenshot-frame { aspect-ratio: 16 / 10; }
.feature-bank .screenshot-frame video { height: 100%; object-fit: contain; background: var(--page-warm); }
.timer-video-window { aspect-ratio: 16 / 10; }
.timer-video-window video,
.stack-card video { object-fit: contain; background: var(--page-warm); }

.icp-filing { grid-column: 1 / -1; justify-self: center; color: var(--muted); font-size: 12px; line-height: 1.8; text-underline-offset: 3px; }
.icp-filing:hover { color: var(--blue); text-decoration: underline; }
.icp-filing:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; border-radius: 3px; }