/* 系统字体和本地资源使工具使用不依赖第三方加载。 */
:root {
  color-scheme: light dark;
  --page: light-dark(#f7f7f0, #20251f);
  --panel: light-dark(#ffffff, #292f29);
  --ink: light-dark(#263c31, #ebf1e6);
  --muted: light-dark(#667067, #b2bcb0);
  --rule: light-dark(#dde3d8, #424e40);
  --accent: light-dark(#326345, #b8db9b);
  --inverse: light-dark(#ffffff, #203222);
  --tint: light-dark(#edf2e7, #303d29);
  --error: light-dark(#9c352a, #ffb4a9);
  background: var(--page);
  color: var(--ink);
  font: 14px/1.65 "Segoe UI", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
button, input { font: inherit; }
button, input[type="range"], input[type="checkbox"], summary { cursor: pointer; }
button { color: inherit; }
button:disabled { opacity: .55; cursor: default; }
input[type="checkbox"], input[type="range"] { accent-color: var(--accent); }
input[type="checkbox"] { width: 17px; height: 17px; margin: 0; flex: 0 0 auto; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
[hidden] { display: none !important; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: absolute; top: 8px; left: 16px; padding: 10px 16px; z-index: 2; background: var(--panel); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.page-shell { width: min(100%, 1120px); padding: 0 40px; margin: auto; }
.site-header { min-height: 82px; display: flex; justify-content: space-between; align-items: center; gap: 20px; border-bottom: 1px solid var(--rule); }
.wordmark { display: flex; align-items: baseline; font-size: 27px; font-weight: 750; letter-spacing: -1.2px; white-space: nowrap; }
.wordmark span { font-size: 22px; font-weight: 500; margin-left: 2px; letter-spacing: -.8px; }
.wordmark i { font-size: 31px; color: var(--accent); font-style: normal; }
.site-header nav { display: flex; align-items: center; gap: 24px; font-size: 13px; }
.site-header nav a { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-size: 11px; letter-spacing: 1.1px; font-weight: 600; }
.seed { width: 7px; height: 7px; border-radius: 50%; display: inline-block; background: var(--accent); flex: 0 0 auto; }
.home-hero { display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center; padding: 65px 0 62px; }
.home-hero h1 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.5; font-weight: 650; letter-spacing: -1.8px; margin: 20px 0 15px; }
.home-hero h1 span { color: var(--accent); }
.intro { color: var(--muted); line-height: 1.9; font-size: 14px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; min-height: 44px; padding: 11px 19px; border-radius: 9px; border: 1px solid transparent; font-size: 13px; font-weight: 600; }
.button:hover { text-decoration: none; filter: brightness(.97); }
.primary { background: var(--accent); color: var(--inverse); }
.secondary { background: var(--panel); color: var(--accent); border-color: var(--rule); }
.hero-copy > .button { margin-top: 24px; }
.hero-note { font-size: 11px; color: var(--muted); margin-top: 12px; }
.toolbox-art { position: relative; min-height: 270px; margin-top: 20px; color: var(--accent); }
.art-caption { position: absolute; top: -6px; width: 100%; text-align: center; color: var(--muted); font-size: 8px; letter-spacing: 1.8px; }
.art-handle { position: absolute; top: 55px; left: calc(50% - 47px); width: 94px; height: 58px; border: 9px solid var(--accent); border-radius: 17px 17px 0 0; opacity: .78; }
.art-box { position: absolute; top: 99px; left: calc(50% - 116px); width: 232px; height: 143px; background: var(--tint); border: 2px solid var(--accent); border-radius: 19px; transform: rotate(-5deg); box-shadow: 8px 10px 0 color-mix(in srgb, var(--accent) 7%, transparent); }
.art-box::before { content: ""; position: absolute; left: 0; right: 0; top: 37px; border-top: 2px solid var(--accent); }
.art-box svg { position: absolute; width: 63px; height: 63px; left: 36px; top: 58px; opacity: .85; }
.art-latch { position: absolute; left: calc(50% - 12px); top: 24px; width: 24px; height: 26px; border: 2px solid var(--accent); border-radius: 4px; background: var(--page); }
.art-label { position: absolute; right: 30px; bottom: 31px; font-size: 15px; letter-spacing: -.5px; }
.art-spark { position: absolute; font-size: 27px; font-weight: 300; }
.spark-one { top: 64px; left: 20px; }
.spark-two { top: 127px; right: 4px; font-size: 18px; }
.art-ground { position: absolute; width: 266px; height: 12px; border-radius: 50%; background: color-mix(in srgb, var(--accent) 8%, transparent); bottom: 5px; left: calc(50% - 133px); }
.section-heading, .panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.section-heading { margin-bottom: 18px; flex-wrap: wrap; }
.section-heading h2 { font-size: 20px; font-weight: 600; }
.section-heading > span, .panel-heading > span { color: var(--muted); font-size: 11px; }
.tool-card { display: flex; align-items: center; gap: 22px; padding: 28px; border: 1px solid var(--rule); border-radius: 16px; background: var(--panel); }
.tool-card:hover { border-color: var(--accent); text-decoration: none; }
.tool-icon { display: grid; place-items: center; width: 70px; height: 70px; flex: 0 0 auto; background: var(--tint); color: var(--accent); border-radius: 15px; }
.tool-icon svg { width: 37px; height: 37px; }
.tool-card-title { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.tool-card-title h3 { font-size: 19px; font-weight: 600; }
.badge { color: var(--accent); font-size: 10px; background: var(--tint); padding: 3px 8px; border-radius: 20px; }
.tool-card-copy > p { color: var(--muted); font-size: 13px; margin: 6px 0 10px; }
.tool-tags { display: flex; flex-wrap: wrap; gap: 14px; font-size: 10px; color: var(--muted); }
.tool-tags > span + span::before { content: "·"; margin-right: 14px; }
.card-arrow { margin-left: auto; font-size: 22px; color: var(--accent); }
.home-note { display: flex; gap: 18px; padding: 29px 0 37px; margin-top: 24px; }
.note-mark { font-size: 28px; color: var(--accent); line-height: 1.5; }
.home-note h2 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.home-note p { color: var(--muted); font-size: 12px; line-height: 1.9; }
.site-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--rule); padding: 18px 0 23px; color: var(--muted); font-size: 11px; }
.site-footer a { min-height: 36px; display: inline-flex; align-items: center; gap: 5px; }
.breadcrumb { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 11px; margin: 25px 0 22px; }
.tool-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.tool-heading h1 { font-size: 31px; font-weight: 650; letter-spacing: -1px; margin: 9px 0 6px; }
.local-badge { display: inline-flex; gap: 7px; align-items: center; font-size: 11px; color: var(--accent); background: var(--tint); padding: 7px 11px; border-radius: 20px; white-space: nowrap; }
.generator-layout { display: grid; grid-template-columns: minmax(0, 390px) minmax(0, 1fr); gap: 20px; align-items: start; }
.settings-panel, .result-panel { min-width: 0; background: var(--panel); border: 1px solid var(--rule); border-radius: 16px; padding: 25px; }
.panel-heading h2 { font-size: 16px; font-weight: 600; }
.setting-block { padding: 20px 0; border-bottom: 1px solid var(--rule); }
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; }
input[type="number"], input[type="text"] { min-width: 0; color: var(--ink); background: var(--page); border: 1px solid var(--rule); border-radius: 7px; padding: 8px 10px; min-height: 40px; }
input[type="number"] { width: 70px; font-variant-numeric: tabular-nums; }
.length-number { display: flex; align-items: center; gap: 8px; }
.length-number > span { font-size: 11px; color: var(--muted); }
#length-range { width: 100%; height: 25px; margin: 12px 0 0; }
.range-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); }
.presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin-top: 13px; }
.presets button { padding: 5px; min-height: 34px; background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; font-size: 11px; }
.presets button[aria-pressed="true"] { color: var(--accent); background: var(--tint); border-color: var(--accent); }
fieldset { min-width: 0; border: 0; padding: 0; margin: 0; }
fieldset.setting-block { padding-top: 10px; }
legend { padding: 20px 0 0; font-size: 13px; }
.character-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.character-option { display: flex; align-items: center; gap: 12px; border: 1px solid var(--rule); padding: 11px 12px; border-radius: 8px; cursor: pointer; }
.character-option:has(input:checked) { background: var(--tint); border-color: color-mix(in srgb, var(--accent) 35%, var(--rule)); }
.character-option strong { display: block; font: 600 16px/1.4 Consolas, monospace; }
.character-option small { color: var(--muted); font-size: 10px; }
.field-note { color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 9px; }
.checkbox-line { display: flex; gap: 9px; align-items: center; font-size: 12px; cursor: pointer; }
.readable-block { padding: 17px 0; }
.indent-note { margin-top: 5px; margin-left: 26px; }
code { font-family: Consolas, monospace; }
.advanced { border-bottom: 1px solid var(--rule); }
.advanced summary { display: flex; justify-content: space-between; align-items: center; min-height: 53px; list-style: none; font-size: 12px; }
.advanced summary::-webkit-details-marker { display: none; }
.advanced summary > span { font-size: 18px; color: var(--muted); }
.advanced[open] summary > span { transform: rotate(45deg); }
.advanced-body { padding: 0 0 18px; }
.field-label { display: block; font-size: 12px; margin: 15px 0 7px; }
#excluded { width: 100%; }
.preference-line { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; padding: 14px 0; }
.text-button { border: 0; padding: 6px 0; min-height: 36px; background: transparent; color: var(--muted); font-size: 11px; }
.text-button:hover { color: var(--accent); }
.generate-button { width: 100%; gap: 9px; }
.generate-button svg { width: 18px; height: 18px; }
.form-error { color: var(--error); font-size: 12px; line-height: 1.8; margin: 0 0 12px; }
.result-panel { display: flex; flex-direction: column; min-height: 580px; }
.result-empty { flex: 1; display: flex; align-items: center; justify-content: center; flex-direction: column; padding: 100px 0 110px; text-align: center; }
.empty-icon { display: grid; place-items: center; width: 78px; height: 78px; background: var(--tint); border-radius: 50%; color: var(--accent); margin-bottom: 23px; }
.empty-icon svg { width: 38px; height: 38px; }
.result-empty p { font-size: 14px; margin-bottom: 8px; }
.result-empty > span { color: var(--muted); font-size: 11px; }
.password-results { list-style: none; padding: 0; margin: 25px 0 0; max-height: 465px; overflow: auto; scrollbar-width: thin; }
.password-row { background: var(--page); border: 1px solid var(--rule); border-radius: 10px; padding: 18px 15px; margin-bottom: 10px; }
.password-row-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font-size: 10px; margin-bottom: 8px; }
.password-row code { display: block; font-size: 21px; line-height: 1.7; color: var(--accent); overflow-wrap: anywhere; word-break: break-all; user-select: all; }
.copy-one { border: 1px solid var(--rule); border-radius: 6px; background: var(--panel); padding: 4px 10px; min-height: 32px; color: var(--ink); font-size: 11px; }
.result-actions { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 6px 0; }
.result-status { min-height: 25px; color: var(--accent); font-size: 11px; padding-top: 6px; }
.result-note { display: flex; gap: 9px; padding-top: 17px; margin-top: auto; border-top: 1px solid var(--rule); color: var(--muted); font-size: 11px; line-height: 1.8; }
.result-note > span { font-size: 18px; }
.privacy-note { display: flex; align-items: baseline; gap: 9px; color: var(--muted); font-size: 11px; padding: 22px 0 29px; }
.support-invitation { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; padding: 24px; margin: 0 0 30px; border: 1px solid var(--rule); border-radius: 16px; background: color-mix(in srgb, var(--tint) 45%, var(--page)); }
.support-invitation-copy { flex: 1; min-width: 240px; }
.support-kicker { color: var(--accent); font-size: 10px; letter-spacing: .8px; margin-bottom: 6px; }
.support-invitation h2 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.support-invitation-copy > p:not(.support-kicker) { color: var(--muted); font-size: 12px; line-height: 1.9; max-width: 430px; }
.support-invitation-copy > span { display: block; font-size: 11px; color: var(--muted); margin-top: 6px; }
.support-trigger { flex: 0 0 auto; gap: 10px; background: var(--page); }
.support-strip { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 18px 0 24px; margin-bottom: 5px; border-top: 1px solid var(--rule); }
.support-strip p { font-size: 12px; }
.support-strip > div > span { color: var(--muted); font-size: 11px; }
.support-strip-trigger { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 13px; border: 1px solid var(--rule); border-radius: 8px; background: transparent; color: var(--accent); font-size: 12px; }
.support-trigger:hover, .support-strip-trigger:hover { border-color: var(--accent); }
.support-fallback { flex-basis: 100%; font-size: 12px; color: var(--muted); padding: 8px 0; }
.support-fallback a { text-decoration: underline; }
.support-art { --box-open: 0; position: relative; width: 90px; height: 82px; flex: 0 0 auto; color: var(--accent); }
.support-box-body { position: absolute; top: 37px; left: 9px; width: 73px; height: 40px; border: 2px solid currentColor; border-radius: 4px 4px 12px 12px; background: var(--tint); box-shadow: 3px 5px 0 color-mix(in srgb, var(--accent) 7%, transparent); }
.support-box-heart { display: block; margin-top: 8px; text-align: center; font-size: 23px; line-height: 1; }
.support-box-lid { position: absolute; top: 24px; left: 9px; width: 73px; height: 17px; border: 2px solid currentColor; border-radius: 10px 10px 4px 4px; background: var(--tint); transform-origin: 8px 15px; transform: translateY(calc(var(--box-open) * -12px)) rotate(calc(var(--box-open) * -13deg)); }
.support-box-handle { position: absolute; left: 24px; top: -13px; width: 22px; height: 13px; border: 2px solid currentColor; border-bottom: 0; border-radius: 6px 6px 0 0; }
.support-box-latch { position: absolute; top: 33px; left: 39px; width: 13px; height: 12px; border: 2px solid currentColor; border-radius: 3px; background: var(--page); opacity: calc(1 - var(--box-open)); }
.support-box-glow { position: absolute; inset: 5px 0 10px; border-radius: 50%; background: radial-gradient(ellipse, #e8cb78 0%, color-mix(in srgb, #e8cb78 40%, transparent) 35%, transparent 70%); opacity: calc(var(--box-open) * .85); transform: scale(calc(.8 + var(--box-open) * .35)); }
html.support-modal-open { overflow: hidden; }
.support-dialog { width: min(700px, calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 48px); padding: 0; border: 1px solid var(--rule); border-radius: 20px; background: var(--panel); color: var(--ink); box-shadow: 0 20px 90px #0003; overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.support-dialog::backdrop { background: #14241999; }
.support-dialog-head { display: flex; gap: 16px; align-items: center; padding: 14px 22px 12px; position: sticky; top: 0; z-index: 1; background: var(--panel); border-bottom: 1px solid var(--rule); }
.support-dialog-head .support-art { width: 82px; transform: scale(.85); margin-left: -6px; margin-right: -6px; }
.support-dialog-head h2 { font-size: 21px; font-weight: 600; letter-spacing: -.5px; }
.support-close { margin-left: auto; align-self: flex-start; min-width: 44px; min-height: 44px; border: 1px solid var(--rule); background: var(--page); border-radius: 50%; font-size: 24px; line-height: 1; }
.support-close:hover { border-color: var(--accent); }
.support-dialog-body { display: grid; grid-template-columns: minmax(0, 1fr) 240px; align-items: start; gap: 26px; padding: 24px; }
.support-details > p:first-child { font-size: 14px; line-height: 1.9; }
.support-source-link { color: var(--accent); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.support-voluntary { color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 10px; }
.support-methods { display: flex; gap: 8px; margin: 22px 0 12px; }
.support-methods button { flex: 1; min-height: 44px; border: 1px solid var(--rule); border-radius: 8px; background: var(--page); font-size: 13px; }
.support-methods button[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); background: var(--tint); font-weight: 600; }
.support-payee { color: var(--accent); font-size: 12px; }
.support-image-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin: 14px 0 10px; }
.support-image-actions .button { font-size: 12px; gap: 10px; }
.support-image-actions > a:not(.button) { display: inline-flex; align-items: center; gap: 5px; min-height: 44px; color: var(--muted); font-size: 12px; }
.support-instruction { color: var(--muted); font-size: 12px; line-height: 1.9; }
.support-payment { min-width: 0; padding: 8px; border: 1px solid var(--rule); border-radius: 12px; background: #fff; }
/* 收款主体、平台标识与留白都来自原图，始终等比完整展示。 */
.support-payment img { display: block; width: 100%; height: auto; }
@media (max-width: 800px) {
  .page-shell { padding: 0 24px; }
  .home-hero { gap: 20px; }
  .toolbox-art { transform: scale(.85); }
  .generator-layout { grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 14px; }
  .settings-panel, .result-panel { padding: 20px; }
  .local-badge { display: none; }
}
@media (max-width: 660px) {
  .home-hero { grid-template-columns: 1fr; padding: 36px 0 35px; }
  .toolbox-art { display: none; }
  .home-hero h1 { font-size: 36px; }
  .tool-card { padding: 20px; gap: 16px; }
  .tool-icon { width: 52px; height: 52px; }
  .tool-icon svg { width: 30px; height: 30px; }
  .tool-card-title h3 { font-size: 17px; }
  .badge { display: none; }
  .generator-layout { grid-template-columns: 1fr; }
  .result-panel { min-height: 320px; }
  .result-empty { padding: 40px 0 45px; }
  .tool-heading h1 { font-size: 28px; }
  .privacy-note { padding: 20px 0 24px; }
  .support-invitation { align-items: flex-start; gap: 14px; padding: 20px; }
  .support-invitation .support-art { width: 76px; transform: scale(.85); transform-origin: left top; margin-right: -10px; }
  .support-invitation-copy { min-width: 0; flex-basis: calc(100% - 90px); }
  .support-invitation h2 { font-size: 16px; }
  .support-trigger { width: 100%; }
  .support-strip { align-items: flex-start; flex-direction: column; gap: 10px; }
  .support-strip-trigger { padding-left: 12px; }
  .support-dialog { width: 100%; max-height: 92dvh; margin: auto 0 0; border-radius: 20px 20px 0 0; border-bottom: 0; }
  .support-dialog-head { gap: 10px; padding: 8px 16px; }
  .support-dialog-head .support-art { width: 62px; height: 65px; transform: scale(.7); transform-origin: left center; margin-right: -12px; }
  .support-dialog-head h2 { font-size: 18px; letter-spacing: -.3px; }
  .support-dialog-head .support-kicker { font-size: 10px; }
  .support-close { min-width: 40px; min-height: 40px; font-size: 22px; }
  .support-dialog-body { grid-template-columns: 1fr; gap: 20px; padding: 18px 22px calc(24px + env(safe-area-inset-bottom)); }
  .support-methods { margin-top: 16px; }
  .support-payment { width: min(100%, 260px); justify-self: center; }
  .support-image-actions .button { flex: 1; }
}
@media (max-width: 380px) {
  .page-shell { padding: 0 16px; }
  .site-header nav { gap: 13px; font-size: 11px; }
  .wordmark { font-size: 24px; }
  .wordmark span { font-size: 20px; }
  .tool-card { gap: 12px; padding: 16px; }
  .tool-icon { width: 42px; height: 42px; border-radius: 10px; }
  .card-arrow { display: none; }
  .tool-card-copy > p { font-size: 11px; }
  .tool-tags { gap: 8px; font-size: 9px; }
  .tool-tags > span + span::before { margin-right: 8px; }
  .settings-panel, .result-panel { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }