/* 开机、登录、首次创建：整层盖在应用上方 */
.ui-boot {
  --boot-green: #2f5233;
  --boot-green-dark: #22402a;
  --boot-ink: #1f2d22;
  --boot-muted: #6b7568;
  --boot-line: #e3dccb;
  --boot-card: rgba(255, 253, 246, 0.92);
  --boot-soft: #e7efdc;
  --boot-error: #b3261e;
  position: fixed; inset: 0; z-index: 1000;
  display: flex; justify-content: center; overflow-y: auto; overscroll-behavior: contain;
  background: #f5f2e6 url("../../assets/ui/boot/bg.webp") center / cover no-repeat;
  color: var(--boot-ink);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  opacity: 1; transition: opacity 0.42s ease;
  -webkit-tap-highlight-color: transparent;
}
.ui-boot--leaving { opacity: 0; pointer-events: none; }
.ui-boot--splash { background: #f3f1e4; overflow: hidden; }
.ui-boot__splash { position: absolute; inset: 0; }
.ui-boot__video { width: 100%; height: 100%; object-fit: cover; display: block; background: #f3f1e4; }

.ui-boot__screen {
  width: min(100%, 440px); min-height: 100%; box-sizing: border-box;
  display: flex; flex-direction: column;
  padding: calc(env(safe-area-inset-top, 0px) + 28px) 24px calc(env(safe-area-inset-bottom, 0px) + 28px);
  animation: ui-boot-in 0.32s ease both;
}
@keyframes ui-boot-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ui-boot__screen { animation: none; } .ui-boot { transition: none; } }

.ui-boot__icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.ui-boot__wordmark { width: 168px; height: auto; align-self: center; margin: 7vh 0 18px; }
.ui-boot__title {
  margin: 0; text-align: center; color: var(--boot-green-dark);
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  font-size: clamp(24px, 7vw, 30px); font-weight: 700; line-height: 1.3; letter-spacing: 0.02em;
}
.ui-boot__title--left { text-align: left; }
.ui-boot__sub { margin: 10px 0 0; text-align: center; color: var(--boot-muted); font-size: 15px; line-height: 1.6; }
.ui-boot__sub--left { text-align: left; margin-top: 14px; }
.ui-boot__address { display: block; margin-top: 2px; font-size: 16px; color: var(--boot-ink); word-break: break-all; }
.ui-boot__label { margin: 28px 0 10px; font-size: 15px; font-weight: 700; color: var(--boot-ink); }
.ui-boot__hint { margin: 12px 0 0; text-align: center; color: var(--boot-muted); font-size: 13px; line-height: 1.6; }
.ui-boot__spacer { flex: 0 1 8vh; }

.ui-boot__field {
  display: flex; align-items: center; gap: 10px; min-height: 54px; padding: 0 14px;
  border: 1px solid var(--boot-line); border-radius: 16px; background: var(--boot-card); color: var(--boot-muted);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ui-boot__field:focus-within { border-color: var(--boot-green); box-shadow: 0 0 0 3px rgba(47, 82, 51, 0.12); }
.ui-boot__field--error { border-color: var(--boot-error); }
.ui-boot__field--boxed { margin-top: 14px; }
.ui-boot__input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--boot-ink);
  font: inherit; font-size: 16px; padding: 14px 0;
}
.ui-boot__input::placeholder, .ui-boot__textarea::placeholder { color: #9aa197; }
.ui-boot__input--boxed { flex: none; padding: 16px 18px; border: 1px solid var(--boot-line); border-radius: 16px; background: var(--boot-card); }
.ui-boot__input--boxed:focus { border-color: var(--boot-green); box-shadow: 0 0 0 3px rgba(47, 82, 51, 0.12); }
.ui-boot__clear { border: 0; background: #d9d6cb; color: #fff; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; padding: 0; cursor: pointer; }
.ui-boot__clear .ui-boot__icon { width: 14px; height: 14px; stroke-width: 2.4; }
.ui-boot__clear[hidden] { display: none; }

.ui-boot__error { min-height: 20px; margin: 6px 2px 0; color: var(--boot-error); font-size: 13px; line-height: 1.5; }
.ui-boot__error:empty { min-height: 0; margin: 0; }
.ui-boot__error--center { text-align: center; }

.ui-boot__primary {
  margin-top: 22px; min-height: 54px; border: 0; border-radius: 999px; cursor: pointer;
  background: linear-gradient(180deg, #3b6541, var(--boot-green-dark)); color: #fff;
  font: inherit; font-size: 17px; font-weight: 600; letter-spacing: 0.08em;
  box-shadow: 0 8px 18px rgba(34, 64, 42, 0.22);
}
.ui-boot__primary:disabled { opacity: 0.55; cursor: default; box-shadow: none; }
.ui-boot__primary:focus-visible, .ui-boot__link:focus-visible, .ui-boot__chip:focus-visible, .ui-boot__option:focus-visible,
.ui-boot__tab:focus-visible, .ui-boot__back:focus-visible { outline: 3px solid rgba(47, 82, 51, 0.35); outline-offset: 2px; }
.ui-boot__link { align-self: center; margin-top: 14px; border: 0; background: none; color: var(--boot-green); font: inherit; font-size: 14px; cursor: pointer; padding: 6px 10px; }
.ui-boot__link:disabled { color: var(--boot-muted); cursor: default; }

.ui-boot__agree { display: flex; align-items: flex-start; gap: 8px; margin-top: 18px; color: var(--boot-muted); font-size: 13px; line-height: 1.5; justify-content: center; }
.ui-boot__agree input { width: 16px; height: 16px; margin: 2px 0 0; accent-color: var(--boot-green); flex: none; }
.ui-boot__agree strong { color: var(--boot-green); font-weight: 600; }

.ui-boot__back { align-self: flex-start; border: 0; background: none; color: var(--boot-ink); padding: 6px; margin: 0 0 18px -6px; cursor: pointer; border-radius: 10px; }
.ui-boot__back .ui-boot__icon { width: 24px; height: 24px; stroke-width: 2; }
.ui-boot__back[hidden] { visibility: hidden; display: block; }

.ui-boot__digits { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 28px; }
.ui-boot__digit {
  aspect-ratio: 5 / 6; display: grid; place-items: center; border: 1px solid var(--boot-line); border-radius: 12px;
  background: var(--boot-card); font-size: 24px; font-weight: 600; color: var(--boot-ink);
}
.ui-boot__digit--active { border-color: var(--boot-green); box-shadow: 0 0 0 3px rgba(47, 82, 51, 0.12); }
.ui-boot__digit--error { border-color: var(--boot-error); }
.ui-boot__digits-input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; border: 0; font-size: 16px; color: transparent; caret-color: transparent; }
.ui-boot__code .ui-boot__link { margin-top: 12px; }

.ui-boot__step-head { display: grid; grid-template-columns: 40px 1fr 40px; align-items: center; }
.ui-boot__step-head .ui-boot__back { margin: 0 0 0 -6px; }
.ui-boot__step-title { text-align: center; font-weight: 700; font-size: 16px; color: var(--boot-ink); }
.ui-boot__step-count { text-align: right; color: var(--boot-ink); font-size: 14px; font-weight: 600; }
.ui-boot__step-title { text-shadow: 0 0 8px rgba(255, 253, 246, 0.9); }
.ui-boot__step-count { text-shadow: 0 0 8px rgba(255, 253, 246, 0.9); }
.ui-boot__progress { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 14px 12px 0; }
.ui-boot__progress span { height: 5px; border-radius: 3px; background: #dcd9cd; }
.ui-boot__progress .ui-boot__progress-on { background: var(--boot-green); }
.ui-boot__step-body { display: flex; flex-direction: column; flex: 1; padding-top: 30px; }
.ui-boot__step-foot { display: flex; flex-direction: column; padding-top: 18px; }

.ui-boot__tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 24px; padding: 4px; border: 1px solid var(--boot-line); border-radius: 999px; background: var(--boot-card); }
.ui-boot__tab { border: 0; border-radius: 999px; background: none; min-height: 42px; font: inherit; font-size: 15px; color: var(--boot-muted); cursor: pointer; }
.ui-boot__tab[aria-selected="true"] { background: var(--boot-green); color: #fff; font-weight: 600; }
.ui-boot__panel .ui-boot__label { margin-top: 22px; }

.ui-boot__chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.ui-boot__chips--four { grid-template-columns: repeat(4, 1fr); }
.ui-boot__chips--ideas { display: flex; flex-wrap: wrap; }
.ui-boot__chips--ideas .ui-boot__chip { flex: 1 1 auto; padding: 0 14px; white-space: nowrap; }
.ui-boot__chip {
  display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 46px; padding: 0 8px;
  border: 1px solid var(--boot-line); border-radius: 999px; background: var(--boot-card); color: var(--boot-ink);
  font: inherit; font-size: 15px; cursor: pointer;
}
.ui-boot__chip[aria-pressed="true"] { border-color: var(--boot-green); background: var(--boot-soft); color: var(--boot-green-dark); font-weight: 600; }
.ui-boot__chip[aria-pressed="true"] .ui-boot__icon { width: 18px; height: 18px; stroke-width: 2.4; padding: 2px; border-radius: 50%; background: var(--boot-green); color: #fff; }
.ui-boot__chips--four .ui-boot__chip { font-size: 14px; padding: 0 4px; }

.ui-boot__options { display: flex; flex-direction: column; gap: 14px; margin-top: 26px; }
.ui-boot__option {
  position: relative; display: flex; align-items: center; gap: 16px; padding: 22px 18px; text-align: left;
  border: 1px solid var(--boot-line); border-radius: 18px; background: var(--boot-card); color: var(--boot-ink); font: inherit; cursor: pointer;
}
.ui-boot__option[aria-checked="true"] { border: 2px solid var(--boot-green); background: #eef3e6; padding: 21px 17px; }
.ui-boot__radio { width: 28px; height: 28px; flex: none; border-radius: 50%; border: 1.5px solid #a9aca3; display: grid; place-items: center; }
.ui-boot__option[aria-checked="true"] .ui-boot__radio { border: 0; background: var(--boot-green); color: #fff; }
.ui-boot__radio .ui-boot__icon { width: 18px; height: 18px; stroke-width: 2.6; }
.ui-boot__option-text { display: flex; flex-direction: column; gap: 6px; }
.ui-boot__option-text strong { font-size: 18px; color: var(--boot-green-dark); font-family: "Songti SC", "STSong", "Noto Serif SC", serif; }
.ui-boot__option-text span { font-size: 14px; color: var(--boot-muted); line-height: 1.5; }
.ui-boot__badge { position: absolute; top: 10px; right: 12px; padding: 3px 10px; border-radius: 999px; background: var(--boot-green); color: #fff; font-size: 12px; }

.ui-boot__area { position: relative; }
.ui-boot__textarea {
  width: 100%; box-sizing: border-box; min-height: 150px; resize: none; padding: 16px 18px 36px;
  border: 1px solid var(--boot-line); border-radius: 18px; background: var(--boot-card); color: var(--boot-ink); font: inherit; font-size: 16px; line-height: 1.6;
}
.ui-boot__textarea:focus { outline: 0; border-color: var(--boot-green); box-shadow: 0 0 0 3px rgba(47, 82, 51, 0.12); }
.ui-boot__area .ui-boot__icon { position: absolute; right: 16px; bottom: 14px; color: var(--boot-muted); }
.ui-boot__step .ui-boot__chips .ui-boot__chip .ui-boot__icon { color: var(--boot-muted); }

@media (max-width: 360px) {
  .ui-boot__screen { padding-left: 18px; padding-right: 18px; }
  .ui-boot__chips { gap: 8px; }
  .ui-boot__chip { font-size: 14px; }
}

/* ── 欢迎页、在开始之前、用户协议 / 隐私政策、谢谢你的信任 ── */
.ui-legal { position: relative; }
.ui-legal__grow { flex: 1 1 auto; min-height: 12px; }
.ui-legal__art { width: 168px; height: auto; align-self: center; margin: 0 0 14px; border-radius: 22px;
  -webkit-mask-image: radial-gradient(closest-side, #000 72%, transparent 100%); mask-image: radial-gradient(closest-side, #000 72%, transparent 100%); }
.ui-legal__art--round { width: 188px; }
.ui-legal__decline { color: var(--boot-muted); font-size: 13px; margin-top: 8px; }
.ui-legal__inline-link { border: 0; background: none; padding: 0; margin: 0; font: inherit; color: var(--boot-green); font-weight: 600; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.ui-legal__inline-link:focus-visible { outline: 2px solid rgba(47, 82, 51, 0.4); outline-offset: 2px; border-radius: 4px; }

.ui-legal--welcome { color: #fff; padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 36px); }
.ui-legal__welcome-art { position: fixed; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.ui-legal--welcome::before { content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(48, 34, 16, 0.42) 0%, rgba(48, 34, 16, 0) 38%, rgba(48, 34, 16, 0) 62%, rgba(40, 28, 12, 0.45) 100%); }
.ui-legal--welcome > :not(.ui-legal__welcome-art) { position: relative; z-index: 1; }
.ui-legal__brand { margin-top: 6vh; text-shadow: 0 2px 12px rgba(40, 26, 8, 0.45); }
.ui-legal__brand-name { margin: 0; font-family: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif; font-style: italic; font-size: clamp(38px, 11vw, 48px); font-weight: 600; letter-spacing: 0.01em; }
.ui-legal__tagline { margin: 12px 0 0; font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: 20px; line-height: 1.6; white-space: pre-line; }
.ui-legal__tagline--en { margin-top: 10px; font-family: Georgia, "Times New Roman", serif; font-style: italic; font-size: 15px; opacity: 0.95; }
.ui-legal__welcome-actions { display: flex; flex-direction: column; gap: 12px; }
.ui-legal__welcome-primary, .ui-legal__welcome-secondary { min-height: 54px; border-radius: 999px; font: inherit; font-size: 17px; font-weight: 600; cursor: pointer; }
.ui-legal__welcome-primary { border: 0; background: linear-gradient(180deg, #fff8e6, #f3e3bf); color: #5a3d1c; box-shadow: 0 8px 22px rgba(40, 26, 8, 0.28); }
.ui-legal__welcome-secondary { border: 1.5px solid rgba(255, 255, 255, 0.85); background: rgba(60, 40, 16, 0.28); color: #fff; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.ui-legal__welcome-primary:focus-visible, .ui-legal__welcome-secondary:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.8); outline-offset: 3px; }
.ui-legal__notice { margin: 0 0 12px; padding: 10px 14px; border-radius: 14px; background: rgba(255, 253, 246, 0.92); color: var(--boot-ink); font-size: 14px; line-height: 1.6; text-align: center; }
.ui-legal__notice[hidden] { display: none; }

.ui-legal__points { list-style: none; margin: 18px 0 20px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ui-legal__point { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 16px; background: var(--boot-card); border: 1px solid var(--boot-line); }
.ui-legal__point strong { display: block; font-size: 15px; color: var(--boot-ink); }
.ui-legal__point span { display: block; margin-top: 2px; font-size: 13px; line-height: 1.55; color: var(--boot-muted); }
.ui-legal__point-icon { width: 22px; height: 22px; margin-top: 2px; color: var(--boot-green); }

.ui-legal--doc { padding-top: calc(env(safe-area-inset-top, 0px) + 12px); padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 24px); }
.ui-legal--doc.ui-legal--consent { padding-bottom: 0; }
.ui-legal__doc-head { display: grid; grid-template-columns: 40px 1fr 40px; align-items: center; }
.ui-legal__doc-head .ui-boot__back { margin: 0; }
.ui-legal__doc-title { margin: 0; text-align: center; color: var(--boot-green-dark); font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: 24px; }
.ui-legal__updated { margin: 4px 0 12px; text-align: center; color: var(--boot-muted); font-size: 12px; }
.ui-legal__tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; border-radius: 14px; background: rgba(231, 239, 220, 0.9); margin-bottom: 14px; }
.ui-legal__tab { min-height: 40px; border: 0; border-radius: 10px; background: none; color: var(--boot-muted); font: inherit; font-size: 15px; cursor: pointer; }
.ui-legal__tab.is-active { background: #fffdf6; color: var(--boot-green-dark); font-weight: 700; box-shadow: 0 2px 8px rgba(47, 82, 51, 0.12); }
.ui-legal__tab:focus-visible, .ui-legal__section-head:focus-visible { outline: 3px solid rgba(47, 82, 51, 0.35); outline-offset: 2px; }
.ui-legal__hero { display: flex; gap: 12px; align-items: center; padding: 12px; border-radius: 20px; background: var(--boot-card); border: 1px solid var(--boot-line); }
.ui-legal__hero--flip { flex-direction: row-reverse; }
.ui-legal__hero-art { width: 112px; height: 112px; object-fit: cover; border-radius: 16px; flex: none; }
.ui-legal__hero-title { margin: 0 0 6px; color: var(--boot-green-dark); font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: 18px; line-height: 1.35; white-space: pre-line; }
.ui-legal__hero-text p { margin: 0; font-size: 13px; line-height: 1.6; color: var(--boot-muted); }
.ui-legal__sections { list-style: none; margin: 12px 0 16px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ui-legal__section { border-radius: 16px; background: var(--boot-card); border: 1px solid var(--boot-line); overflow: hidden; }
.ui-legal__section-head { width: 100%; display: flex; gap: 10px; align-items: flex-start; padding: 14px; border: 0; background: none; text-align: left; font: inherit; color: inherit; cursor: pointer; }
.ui-legal__section-head:disabled { cursor: default; opacity: 1; }
.ui-legal__number { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--boot-green-dark); color: #fff; font-size: 13px; font-weight: 700; }
.ui-legal__section-icon { width: 22px; height: 22px; color: var(--boot-green); }
.ui-legal__section-text { flex: 1; min-width: 0; }
.ui-legal__section-title { display: block; font-size: 16px; color: var(--boot-green-dark); font-family: "Songti SC", "STSong", "Noto Serif SC", serif; }
.ui-legal__section-summary { display: block; margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--boot-muted); }
.ui-legal__chevron { width: 18px; height: 18px; margin-top: 3px; color: var(--boot-muted); transition: transform 0.2s ease; }
.ui-legal__section.is-open .ui-legal__chevron { transform: rotate(90deg); }
.ui-legal__details { display: none; margin: 0; padding: 0 16px 14px 48px; font-size: 13.5px; line-height: 1.7; color: var(--boot-ink); }
.ui-legal__details li + li { margin-top: 6px; }
.ui-legal__section.is-open .ui-legal__details { display: block; }
.ui-legal__doc-foot { position: sticky; bottom: 0; margin: 0 -24px; padding: 10px 24px calc(env(safe-area-inset-bottom, 0px) + 12px);
  display: flex; flex-direction: column; background: #faf7ec; border-top: 1px solid var(--boot-line); box-shadow: 0 -8px 18px rgba(60, 50, 20, 0.08); }
.ui-legal__agree { margin-top: 4px; }
.ui-legal__continue { display: flex; align-items: center; justify-content: center; gap: 8px; }
.ui-legal__continue .ui-boot__icon { width: 18px; height: 18px; }

.ui-legal__checks { display: flex; flex-direction: column; gap: 10px; margin: 22px 0 6px; }
.ui-legal__check { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 12px 14px; border-radius: 14px; background: var(--boot-card); border: 1px solid var(--boot-line); font-size: 14px; color: var(--boot-ink); }
.ui-legal__check input { width: 18px; height: 18px; margin: 0; accent-color: var(--boot-green); flex: none; }
.ui-legal__promise { display: flex; align-items: center; justify-content: center; gap: 6px; align-self: center; margin: 16px 0 0; padding: 6px 12px; border-radius: 999px; background: rgba(255, 253, 246, 0.9); color: var(--boot-muted); font-size: 12px; }
.ui-legal__promise .ui-boot__icon { width: 16px; height: 16px; color: var(--boot-green); }

/* 中英切换 */
.ui-legal__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.ui-legal__top .ui-boot__back { margin: 0 0 0 -6px; }
.ui-legal__lang { justify-self: end; min-height: 34px; padding: 0 12px; border: 1px solid var(--boot-line); border-radius: 999px; background: var(--boot-card);
  color: var(--boot-green-dark); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.ui-legal__lang:focus-visible { outline: 3px solid rgba(47, 82, 51, 0.35); outline-offset: 2px; }
.ui-legal__lang--light { position: absolute; top: calc(env(safe-area-inset-top, 0px) + 20px); right: 20px; border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.18); color: #fff; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.ui-legal--welcome > .ui-legal__lang--light { position: absolute; }
.ui-legal__doc-head .ui-legal__lang { padding: 0 10px; }
.ui-legal__doc-head { grid-template-columns: 72px 1fr 72px; }

/* 英文标题用西文衬线字体，避免中文字体把撇号排成全角 */
.ui-boot:lang(en) .ui-boot__title, .ui-boot:lang(en) .ui-legal__doc-title, .ui-boot:lang(en) .ui-legal__hero-title,
.ui-boot:lang(en) .ui-legal__section-title { font-family: Georgia, "Times New Roman", serif; }