/* ════════════════════ 手机外框（保留三端设备差异） ════════════════════ */
.phone { position: relative; width: 312px; height: 660px; border-radius: 46px; padding: 12px; background: linear-gradient(160deg, #1a2133, #05060c); box-shadow: 0 30px 70px rgba(15,23,42,.18), inset 0 0 0 2px rgba(34,211,238,.12); flex: 0 0 auto; }
.phone.ios { --frame-accent:#22d3ee; } .phone.android { --frame-accent:#6366f1; } .phone.harmony { --frame-accent:#a855f7; }

/* ════════════════════ 淡色内屏（明亮 + 浅玻璃 + 柔和光晕） ════════════════════ */
.screen.tech {
  --tech-cyan:#0891b2;
  --tech-indigo:#4f46e5;
  --tech-purple:#9333ea;
  --tech-glass: rgba(255,255,255,.72);
  --tech-line: rgba(15,23,42,.1);
  --tech-ink:#1f2937;
  --tech-dim:#6b7280;
  --tech-ok:#10b981;
  --tech-flame:#ea580c;

  position: relative; width: 100%; height: 100%; border-radius: 36px; overflow: hidden;
  display: flex; flex-direction: column; font-size: 14px; color: var(--tech-ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(130% 60% at 50% -12%, rgba(8,145,178,.13), transparent 60%),
    radial-gradient(120% 60% at 105% 115%, rgba(147,51,234,.11), transparent 55%),
    linear-gradient(180deg, #f7f9fc, #eef2f7 60%, #e9eef5),
    repeating-linear-gradient(0deg, rgba(15,23,42,.03) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(15,23,42,.03) 0 1px, transparent 1px 30px);
}

/* ───────── 状态栏 ───────── */
.statusbar { height: 32px; flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; font-size: 12px; font-weight: 600; color: var(--tech-dim); position: relative; }
.statusbar .sb-time { letter-spacing: .3px; }
.statusbar .sb-icons { opacity: .7; font-size: 11px; }
.statusbar.ios .sb-notch { position: absolute; left: 50%; top: 5px; transform: translateX(-50%); width: 86px; height: 22px; background: #000; border-radius: 0 0 14px 14px; }
.statusbar.harmony { background: linear-gradient(90deg, rgba(8,145,178,.12), transparent); }

/* ───────── 顶部栏 ───────── */
.topbar { flex: 0 0 auto; height: 46px; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.6)); border-bottom: 1px solid var(--tech-line); position: relative; backdrop-filter: blur(10px); }
.tb-back { font-size: 26px; color: var(--tech-cyan); line-height: 1; width: 26px; cursor: pointer; }
.tb-back.hidden { visibility: hidden; }
.tb-title { position: absolute; left: 0; right: 0; text-align: center; font-weight: 700; font-size: 16px; color: var(--tech-ink); letter-spacing: 1px; pointer-events: none; }
.tb-right { font-size: 20px; color: var(--tech-dim); min-width: 26px; text-align: right; }
.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: #94a3b8; flex: 0 0 auto; }
.conn-dot.online { background: var(--tech-ok); }
.conn-dot.connecting { background: var(--tech-flame); animation: pulse 1s infinite; }
.conn-dot.offline { background: #ef4444; }
@keyframes pulse { 50% { opacity: .3; } }

/* ───────── 内容区 ───────── */
.content { flex: 1 1 auto; overflow-y: auto; background: transparent; }
.content::-webkit-scrollbar { width: 0; }
.empty-hint { text-align: center; color: var(--tech-dim); font-size: 12.5px; margin-top: 40px; padding: 0 30px; }

/* ───────── 搜索框 ───────── */
.search-bar { display: flex; align-items: center; gap: 6px; margin: 8px 10px; background: rgba(255,255,255,.72); border: 1px solid var(--tech-line); border-radius: 10px; padding: 7px 10px; }
.search-bar .sb-ic { font-size: 12px; opacity: .6; }
.search-input { flex: 1; border: none; background: transparent; outline: none; font-size: 13px; color: var(--tech-ink); }
.search-input::placeholder { color: var(--tech-dim); }
.list-wrap { min-height: 100%; }

/* ───────── 会话列表 / 通讯录 ───────── */
.chat-list, .contact-list { background: transparent; }
.chat-row { display: flex; align-items: center; gap: 11px; padding: 11px 14px; border-bottom: 1px solid var(--tech-line); cursor: pointer; }
.chat-row:active { background: rgba(8,145,178,.07); }
.chat-avatar, .contact-avatar, .me-avatar, .bv-avatar { color: #fff; font-weight: 700; display: grid; place-items: center; flex: 0 0 auto; box-shadow: 0 0 0 1px rgba(255,255,255,.06), 0 4px 14px rgba(15,23,42,.18); }
.chat-avatar { width: 46px; height: 46px; border-radius: 12px; font-size: 19px; position: relative; }
.chat-main { flex: 1; min-width: 0; }
.chat-name { font-size: 15px; color: var(--tech-ink); font-weight: 600; }
.chat-preview { font-size: 12.5px; color: var(--tech-dim); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.chat-time { font-size: 11px; color: var(--tech-dim); }
.badge { background: linear-gradient(135deg, #ff5d73, #ff2d55); color: #fff; font-size: 11px; min-width: 17px; height: 17px; border-radius: 9px; display: grid; place-items: center; padding: 0 4px; box-shadow: 0 0 10px rgba(255,45,85,.35); }

.contact-list { padding-top: 6px; }
.section-hint { font-size: 12px; color: var(--tech-dim); padding: 8px 14px; background: transparent; letter-spacing: .5px; }
.contact-row { display: flex; align-items: center; gap: 11px; padding: 10px 14px; border-bottom: 1px solid var(--tech-line); cursor: pointer; }
.contact-row:active { background: rgba(8,145,178,.07); }
.contact-avatar { width: 42px; height: 42px; border-radius: 12px; font-size: 17px; }
.contact-name { font-size: 15px; color: var(--tech-ink); }

/* ───────── 添加好友 ───────── */
.add-friend-row { display: flex; align-items: center; gap: 8px; margin: 10px 12px; padding: 8px 10px; border-radius: 14px; background: rgba(8,145,178,.07); border: 1px solid var(--tech-line); }
.add-friend-row .af-icon { font-size: 16px; color: var(--tech-cyan); flex: 0 0 auto; }
.add-friend-row .af-input { flex: 1 1 auto; min-width: 0; background: transparent; border: none; outline: none; color: var(--tech-ink); font-size: 14px; padding: 6px 2px; }
.add-friend-row .af-input::placeholder { color: var(--tech-dim); }
.add-friend-row .af-btn { flex: 0 0 auto; padding: 7px 14px; border: none; border-radius: 10px; cursor: pointer; font-weight: 700; font-size: 13px; color: #fff; background: linear-gradient(135deg, var(--tech-cyan), var(--tech-purple)); box-shadow: 0 4px 14px rgba(8,145,178,.25); }
.add-friend-row .af-btn:active { transform: scale(.96); }
.add-friend-row .af-btn.busy { opacity: .6; cursor: default; }
.add-friend-row .af-err { flex: 1 1 100%; font-size: 12px; color: #dc2626; min-height: 14px; margin-top: 2px; }

/* ───────── 搜索添加好友面板 ───────── */
.add-friend-card { margin: 8px 12px 4px; padding: 12px; border-radius: 16px; background: rgba(8,145,178,.05); border: 1px solid var(--tech-line); }
.add-friend-card .af-title { font-size: 14px; font-weight: 700; color: var(--tech-ink); margin-bottom: 9px; }
.add-friend-card .af-search { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.72); border: 1px solid var(--tech-line); border-radius: 10px; padding: 4px 6px 4px 12px; }
.add-friend-card .af-input { flex: 1 1 auto; min-width: 0; background: transparent; border: none; outline: none; color: var(--tech-ink); font-size: 14px; padding: 7px 2px; }
.add-friend-card .af-input::placeholder { color: var(--tech-dim); }
.add-friend-card .af-btn { flex: 0 0 auto; padding: 8px 16px; border: none; border-radius: 10px; cursor: pointer; font-weight: 700; font-size: 13px; color: #fff; background: linear-gradient(135deg, var(--tech-cyan), var(--tech-purple)); box-shadow: 0 4px 14px rgba(8,145,178,.25); }
.add-friend-card .af-btn:active { transform: scale(.96); }
.add-friend-card .af-btn.busy { opacity: .6; cursor: default; }
.add-friend-card .af-err { font-size: 12px; color: #dc2626; min-height: 14px; margin-top: 6px; }
.add-friend-card .af-results { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.add-friend-card .af-hint { font-size: 12px; color: var(--tech-dim); padding: 4px 2px; }
.add-friend-card .af-user { display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-radius: 12px; background: rgba(255,255,255,.6); border: 1px solid var(--tech-line); }
.add-friend-card .af-avatar { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 15px; }
.add-friend-card .af-meta { flex: 1 1 auto; min-width: 0; }
.add-friend-card .af-name { font-size: 14px; color: var(--tech-ink); font-weight: 600; }
.add-friend-card .af-uname { font-size: 12px; color: var(--tech-dim); margin-top: 1px; }
.add-friend-card .af-add { flex: 0 0 auto; padding: 6px 16px; border: none; border-radius: 9px; cursor: pointer; font-weight: 700; font-size: 13px; color: #fff; background: linear-gradient(135deg, var(--tech-cyan), var(--tech-purple)); box-shadow: 0 3px 10px rgba(8,145,178,.22); }
.add-friend-card .af-add:active { transform: scale(.96); }
.add-friend-card .af-add.busy { opacity: .6; cursor: default; }
.add-friend-card .af-add.done { background: rgba(15,23,42,.1); color: var(--tech-dim); box-shadow: none; cursor: default; }

/* ───────── 发现 ───────── */
.discover { padding: 10px 0; }
.discover-card { background: var(--tech-glass); border: 1px solid var(--tech-line); border-radius: 14px; margin: 0 10px 10px; overflow: hidden; backdrop-filter: blur(8px); box-shadow: 0 1px 2px rgba(15,23,42,.05); }
.discover-row { display: flex; align-items: center; gap: 11px; padding: 13px 14px; border-bottom: 1px solid var(--tech-line); font-size: 15px; color: var(--tech-ink); }
.discover-row:last-child { border-bottom: none; }
.discover-row.clickable { cursor: pointer; } .discover-row.clickable:active { background: rgba(8,145,178,.08); }
.dr-icon { font-size: 17px; }
.mr-arrow { margin-left: auto; color: var(--tech-dim); font-size: 18px; }

/* ───────── 我 ───────── */
.me { background: transparent; min-height: 100%; }
.me-card { background: linear-gradient(135deg, rgba(8,145,178,.12), rgba(147,51,234,.1)); border: 1px solid var(--tech-line); display: flex; align-items: center; gap: 14px; padding: 22px 16px; border-radius: 14px; margin: 10px; backdrop-filter: blur(8px); box-shadow: 0 1px 2px rgba(15,23,42,.05); }
.me-avatar { width: 58px; height: 58px; border-radius: 14px; font-size: 24px; box-shadow: 0 0 0 1px rgba(255,255,255,.4), 0 0 18px rgba(8,145,178,.25); }
.me-info { flex: 1; }
.me-name { font-size: 18px; font-weight: 700; color: var(--tech-ink); }
.me-id { font-size: 12px; color: var(--tech-dim); margin-top: 4px; font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; }
.me-qr { font-size: 22px; color: var(--tech-cyan); }
.me-menu { background: var(--tech-glass); border: 1px solid var(--tech-line); border-radius: 14px; margin: 12px 10px; overflow: hidden; backdrop-filter: blur(8px); }
.me-row { display: flex; align-items: center; justify-content: space-between; padding: 14px; border-bottom: 1px solid var(--tech-line); font-size: 15px; color: var(--tech-ink); }
.me-row:last-child { border-bottom: none; }
.me-row.clickable { cursor: pointer; } .me-row.clickable:active { background: rgba(8,145,178,.08); }

/* ───────── 子页面 ───────── */
.sub { padding: 10px 0; }
.sub-card { background: var(--tech-glass); border: 1px solid var(--tech-line); border-radius: 14px; margin: 0 10px 12px; overflow: hidden; backdrop-filter: blur(8px); }
.sub-row { display: flex; align-items: center; gap: 10px; padding: 13px 14px; border-bottom: 1px solid var(--tech-line); font-size: 14.5px; color: var(--tech-ink); }
.sub-row:last-child { border-bottom: none; }
.sub-row.clickable { cursor: pointer; } .sub-row.clickable:active { background: rgba(8,145,178,.08); }
.sr-icon { font-size: 16px; }
.sr-label { flex: 1; }
.sr-value { color: var(--tech-dim); font-size: 13.5px; font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; }
.sub-empty { text-align: center; color: var(--tech-dim); font-size: 13px; padding: 40px 20px; line-height: 1.8; }

/* iOS 风格开关（淡色态） */
.switch { appearance: none; -webkit-appearance: none; width: 44px; height: 25px; border-radius: 13px; background: rgba(15,23,42,.18); border: 1px solid var(--tech-line); position: relative; cursor: pointer; transition: background .2s; flex: 0 0 auto; margin-left: auto; }
.switch::after { content: ''; position: absolute; top: 2px; left: 2px; width: 21px; height: 21px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(15,23,42,.3); transition: left .2s; }
.switch.on { background: linear-gradient(135deg, var(--tech-cyan), var(--tech-indigo)); border-color: transparent; }
.switch.on::after { left: 21px; background: #fff; }

/* ───────── 聊天页气泡 ───────── */
.msg-list { padding: 12px 10px; display: flex; flex-direction: column; gap: 14px; }
.bubble-row { display: flex; gap: 8px; align-items: flex-start; max-width: 100%; }
.bubble-row.out { justify-content: flex-end; }
.bv-avatar { width: 36px; height: 36px; border-radius: 10px; font-size: 14px; color: #fff; }
.bubble { max-width: 74%; padding: 9px 12px; border-radius: 12px; position: relative; cursor: pointer; line-height: 1.5; word-break: break-word; box-shadow: 0 1px 2px rgba(15,23,42,.06); font-size: 14.5px; }
.bubble-row.out .bubble { background: linear-gradient(135deg, rgba(8,145,178,.16), rgba(79,70,229,.18)); color: var(--tech-ink); border: 1px solid rgba(8,145,178,.4); border-top-right-radius: 4px; }
.bubble-row.in  .bubble { background: rgba(255,255,255,.82); color: var(--tech-ink); border: 1px solid var(--tech-line); border-top-left-radius: 4px; }
.bubble:active { filter: brightness(.97); }
.bubble-row.out .bubble::after { content: ''; position: absolute; right: -6px; top: 12px; border: 6px solid transparent; border-left-color: rgba(8,145,178,.4); }
.bubble-row.in  .bubble::before { content: ''; position: absolute; left: -6px; top: 12px; border: 6px solid transparent; border-right-color: var(--tech-line); }
.bubble-text { white-space: pre-wrap; }
.lock-card { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 170px; padding: 6px 0; }
.lock-flame { font-size: 22px; }
.lock-text { font-weight: 700; font-size: 13.5px; color: #c2410c; }
.lock-hint { font-size: 11px; color: var(--tech-dim); }
.burn-tag { display: flex; align-items: center; gap: 5px; margin-top: 6px; font-size: 11px; color: #c2410c; border-top: 1px dashed rgba(234,88,12,.4); padding-top: 5px; }
.ring { width: 20px; height: 20px; flex: 0 0 auto; }
.ring-bg { fill: none; stroke: rgba(234,88,12,.18); stroke-width: 3; }
.ring-fg { fill: none; stroke: #ea580c; stroke-width: 3; stroke-linecap: round; transition: stroke-dashoffset .12s linear; }
.ring-label { font-weight: 800; font-size: 10px; }
.bubble-row.burning { animation: ash .9s forwards; transform-origin: center; }
@keyframes ash { 0% { opacity: 1; filter: blur(0) brightness(1); transform: scale(1); } 35% { opacity: 1; filter: blur(1px) brightness(1.15); transform: scale(1.04); } 100% { opacity: 0; filter: blur(10px) brightness(.9); transform: scale(.3) translateY(14px); } }
.bubble.masked { filter: blur(10px) brightness(.95); pointer-events: none; }

/* ───────── 底部：Tab 栏 / 输入栏 ───────── */
.bottom { flex: 0 0 auto; }
.tabbar { display: flex; background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65)); border-top: 1px solid var(--tech-line); height: 58px; backdrop-filter: blur(12px); box-shadow: 0 -4px 18px rgba(15,23,42,.06); }
.tab { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; cursor: pointer; color: var(--tech-dim); position: relative; transition: color .2s; }
.tab.active { color: var(--tech-cyan); }
.tab.active::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 28px; height: 3px; border-radius: 2px; background: var(--tech-cyan); }
.tab-icon { font-size: 21px; line-height: 1; position: relative; }
.tab-label { font-size: 11px; letter-spacing: .5px; }
.tab-badge { position: absolute; top: -6px; right: -10px; background: linear-gradient(135deg, #ff5d73, #ff2d55); color: #fff; font-size: 10px; min-width: 15px; height: 15px; border-radius: 8px; display: grid; place-items: center; padding: 0 3px; box-shadow: 0 0 10px rgba(255,45,85,.4); }
.composer { display: flex; gap: 8px; align-items: center; padding: 8px 10px; background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65)); border-top: 1px solid var(--tech-line); }
.composer-input { flex: 1; background: rgba(255,255,255,.8); border: 1px solid var(--tech-line); color: var(--tech-ink); border-radius: 10px; padding: 9px 12px; font-size: 14px; outline: none; }
.composer-input:focus { border-color: var(--tech-cyan); box-shadow: 0 0 0 2px rgba(8,145,178,.18); }
.composer-input::placeholder { color: var(--tech-dim); }
.send-btn { background: linear-gradient(135deg, var(--tech-cyan), var(--tech-indigo)); color: #fff; border: none; border-radius: 10px; padding: 9px 16px; font-size: 14px; font-weight: 700; cursor: pointer; box-shadow: 0 0 16px rgba(8,145,178,.3); letter-spacing: 1px; }
.send-btn:active { transform: scale(.97); }

/* ───────── 防截屏遮罩 / 登录 / Toast ───────── */
.mask-layer { position: absolute; inset: 0; z-index: 30; display: grid; place-items: center; background: rgba(15,23,42,.62); backdrop-filter: blur(18px); }
.mask-layer.hidden { display: none; }
.mask-inner { text-align: center; color: #f1f5f9; }
.mask-inner > div:first-child { font-size: 44px; }
.mask-sub { font-size: 12px; color: #cbd5e1; margin-top: 6px; }
.login-layer { position: absolute; inset: 0; z-index: 40; display: grid; place-items: center; background: radial-gradient(120% 80% at 50% 0%, rgba(8,145,178,.14), rgba(244,247,250,.97)); backdrop-filter: blur(6px); transition: opacity .4s, visibility .4s; }
.login-layer.gone { opacity: 0; visibility: hidden; pointer-events: none; }
.login-card { width: 76%; text-align: center; padding: 26px 20px; border-radius: 18px; background: rgba(255,255,255,.92); border: 1px solid var(--tech-line); box-shadow: 0 12px 40px rgba(15,23,42,.14); backdrop-filter: blur(12px); }
.login-logo { font-size: 40px; }
.login-title { font-size: 22px; font-weight: 800; color: var(--tech-ink); margin-top: 8px; letter-spacing: 1px; }
.login-sub { color: var(--tech-dim); font-size: 12px; margin: 4px 0 18px; }
.login-field { display: flex; align-items: center; justify-content: center; gap: 8px; background: rgba(255,255,255,.7); border: 1px solid var(--tech-line); border-radius: 10px; padding: 9px; font-size: 12.5px; color: var(--tech-ink); margin-bottom: 16px; font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; }
.login-field .lf-icon { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--tech-cyan), var(--tech-indigo)); }
.login-btn { width: 100%; padding: 12px; border: none; border-radius: 12px; cursor: pointer; font-weight: 700; font-size: 14px; color: #fff; background: linear-gradient(135deg, var(--tech-cyan), var(--tech-purple)); box-shadow: 0 8px 22px rgba(8,145,178,.3); letter-spacing: 1px; }
.login-btn:active { transform: scale(.98); }
.login-error { color: #dc2626; font-size: 11.5px; margin-top: 10px; min-height: 14px; }
.toast-wrap { position: absolute; left: 50%; bottom: 72px; transform: translateX(-50%); z-index: 50; display: flex; flex-direction: column; gap: 8px; align-items: center; width: 88%; }
.toast { padding: 9px 14px; border-radius: 12px; font-size: 12.5px; font-weight: 600; color: var(--tech-ink); background: rgba(255,255,255,.96); border: 1px solid var(--tech-line); box-shadow: 0 6px 20px rgba(15,23,42,.12); opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.warn { background: rgba(254,243,199,.97); border-color: rgba(245,158,11,.5); color: #92400e; } .toast.err { background: rgba(254,226,226,.97); border-color: rgba(239,68,68,.5); color: #991b1b; }
.shake { animation: shake .5s; }
@keyframes shake { 10%,90% { transform: translateX(-2px); } 20%,80% { transform: translateX(4px); } 30%,50%,70% { transform: translateX(-7px); } 40%,60% { transform: translateX(7px); } }

/* ───────── 聊天右上角：阅后即焚开关 ───────── */
.burn-toggle { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; margin-left: auto; }
.bt-flame { font-size: 17px; filter: grayscale(1) brightness(.65); transition: filter .2s, text-shadow .2s; }
.bt-flame.on { filter: drop-shadow(0 0 7px rgba(255,122,24,.85)); }
.burn-switch { width: 38px; height: 22px; flex: 0 0 auto; margin-left: 0; }
.burn-switch::after { width: 18px; height: 18px; }
.burn-switch.on::after { left: 18px; }
.burn-switch.pending { opacity: .55; cursor: progress; animation: bt-wait 1.2s ease-in-out infinite; }
@keyframes bt-wait { 0%,100% { box-shadow: 0 0 0 rgba(245,158,11,0); } 50% { box-shadow: 0 0 12px rgba(245,158,11,.5); } }

/* 会话内系统灰条提示 */
.sys-tip { align-self: center; max-width: 84%; margin: 6px auto; padding: 5px 11px; border-radius: 9px; font-size: 11.5px; line-height: 1.5; text-align: center; color: var(--tech-dim); background: rgba(255,255,255,.7); border: 1px solid var(--tech-line); }
.sys-tip.mode { color: var(--tech-ink); background: rgba(8,145,178,.1); border-color: rgba(8,145,178,.3); }

/* 屏内确认卡片（切换需对方同意） */
.confirm-layer { position: absolute; inset: 0; z-index: 60; display: grid; place-items: center; padding: 20px; background: rgba(15,23,42,.5); backdrop-filter: blur(6px); opacity: 0; transition: opacity .22s; }
.confirm-layer.show { opacity: 1; }
.confirm-card { width: 100%; border-radius: 16px; padding: 18px 16px 14px; text-align: center; background: linear-gradient(160deg, rgba(255,255,255,.98), rgba(247,249,252,.98)); border: 1px solid var(--tech-line); box-shadow: 0 12px 40px rgba(15,23,42,.18); transform: translateY(10px) scale(.97); transition: transform .22s; }
.confirm-layer.show .confirm-card { transform: none; }
.cf-title { font-size: 15px; font-weight: 700; color: var(--tech-ink); letter-spacing: .5px; }
.cf-desc { margin-top: 8px; font-size: 12.5px; line-height: 1.6; color: var(--tech-dim); }
.cf-btns { display: flex; gap: 10px; margin-top: 16px; }
.cf-btn { flex: 1; height: 36px; border-radius: 10px; font-size: 13px; font-weight: 700; cursor: pointer; border: 1px solid var(--tech-line); transition: filter .15s, transform .1s; }
.cf-btn:active { transform: scale(.97); }
.cf-btn.ghost { background: rgba(15,23,42,.05); color: var(--tech-dim); }
.cf-btn.primary { background: linear-gradient(135deg, var(--tech-cyan), var(--tech-indigo)); color: #fff; border-color: transparent; box-shadow: 0 0 16px rgba(8,145,178,.3); }
.cf-btn:hover { filter: brightness(1.05); }

/* ───────── 二维码：我的二维码 / 扫一扫 ───────── */
.qr-actions { display: flex; gap: 10px; margin: 10px 12px; }
.qr-action { flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 11px 0; border-radius: 14px; background: rgba(8,145,178,.08); border: 1px solid var(--tech-line); font-size: 14px; color: var(--tech-ink); cursor: pointer; transition: background .15s, transform .1s; }
.qr-action:active { transform: scale(.97); }
.qr-action .qa-icon { font-size: 16px; }

.qr-overlay { position: absolute; inset: 0; z-index: 40; display: flex; align-items: center; justify-content: center; background: rgba(15,23,42,.5); backdrop-filter: blur(4px); }
.qr-card { width: 80%; max-width: 320px; padding: 18px 18px 22px; border-radius: 20px; background: rgba(255,255,255,.97); border: 1px solid var(--tech-line); box-shadow: 0 12px 50px rgba(15,23,42,.2); }
.qr-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.qr-title { font-size: 16px; font-weight: 700; color: var(--tech-ink); }
.qr-close { font-size: 18px; color: var(--tech-dim); cursor: pointer; padding: 0 6px; }
.qr-close:active { color: var(--tech-cyan); }

.qr-body { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qr-avatar { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: #fff; font-weight: 700; }
.qr-name { font-size: 16px; font-weight: 700; color: var(--tech-ink); }
.qr-un { font-size: 13px; color: var(--tech-dim); }
.qr-img { margin: 8px 0 4px; padding: 10px; border-radius: 14px; background: #fff; line-height: 0; box-shadow: 0 1px 3px rgba(15,23,42,.1); }
.qr-img svg { width: 180px; height: 180px; display: block; }
.qr-tip { font-size: 12px; color: var(--tech-dim); text-align: center; }

.scan-body { display: flex; flex-direction: column; align-items: center; gap: 10px; padding-top: 4px; }
.scan-finder { position: relative; width: 170px; height: 170px; border-radius: 16px; overflow: hidden; border: 2px solid var(--tech-cyan); box-shadow: 0 0 24px rgba(8,145,178,.35) inset; background: rgba(8,145,178,.05); }
.scan-finder::before, .scan-finder::after { content: ''; position: absolute; left: 10%; right: 10%; height: 2px; background: var(--tech-cyan); box-shadow: 0 0 8px var(--tech-cyan); }
.scan-finder::before { top: 12%; }
.scan-finder::after { bottom: 12%; }
.scan-line { position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, transparent, var(--tech-cyan), transparent); box-shadow: 0 0 12px var(--tech-cyan); animation: scan-move 2.2s ease-in-out infinite; }
@keyframes scan-move { 0% { top: 8%; } 50% { top: 88%; } 100% { top: 8%; } }
.scan-hint { font-size: 12px; color: var(--tech-dim); text-align: center; }
.scan-empty { font-size: 13px; color: var(--tech-dim); text-align: center; padding: 12px 4px; }
.scan-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 4px; }
.scan-target { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px; border-radius: 14px; background: rgba(8,145,178,.07); border: 1px solid var(--tech-line); cursor: pointer; transition: background .15s, transform .1s; }
.scan-target:active { transform: scale(.97); background: rgba(8,145,178,.14); }
.scan-t-name { font-size: 13px; color: var(--tech-ink); }
.scan-t-un { font-size: 11px; color: var(--tech-dim); }

/* 相机实时扫码浮层 */
.scan-cam-card { max-width: 360px; background: rgba(255,255,255,.97); border-radius: 20px; padding: 14px; border: 1px solid var(--tech-line); box-shadow: 0 12px 40px rgba(15,23,42,.18); }
.scan-cam-body { position: relative; width: 100%; aspect-ratio: 1 / 1; background: #04070f; border-radius: 16px; overflow: hidden; }
.scan-video { width: 100%; height: 100%; object-fit: cover; display: block; }
.scan-canvas { display: none; }
.scan-cam-body .scan-finder { position: absolute; left: 50%; top: 50%; width: 64%; height: 64%; transform: translate(-50%, -50%); border: 2px solid var(--tech-cyan); border-radius: 14px; background: transparent; box-shadow: 0 0 22px rgba(8,145,178,.5); overflow: hidden; }
.scan-cam-body .scan-finder::before, .scan-cam-body .scan-finder::after { content: ''; position: absolute; left: 8%; right: 8%; height: 2px; background: var(--tech-cyan); box-shadow: 0 0 8px var(--tech-cyan); }
.scan-cam-body .scan-finder::before { top: 10%; }
.scan-cam-body .scan-finder::after { bottom: 10%; }
.scan-status { padding: 12px 14px 4px; font-size: 13px; color: var(--tech-dim); text-align: center; line-height: 1.5; }
.scan-manual { display: flex; gap: 8px; padding: 6px 16px 18px; }
.scan-manual .af-input { flex: 1; }