/* ═══════════════════════════════════════════════════════════════
   法犀 · M1 组件样式（assets/m1.css）
   -----------------------------------------------------------------
   依据《法犀网站重构开发方案 v2.0 定稿版》§6.2 M1 必需 10 组件：
     HeroInputCard · ModeChip · LetterPreview · DebtIntakeForm ·
     PriceTierCard · TimelineTracker · ReminderToggle ·
     LawyerHandoff · PayDialog · NoticeBanner
   约束：全部引用 tokens.css 变量；每屏橙色实心元素 ≤ 1 处（§品牌约束）
   ═══════════════════════════════════════════════════════════════ */

/* ── 通用：页面容器 / 区块 ─────────────────────────────────── */
.m1-wrap { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.m1-hero { padding: 7.5rem 0 2.5rem; }
.m1-sec { padding: 2.2rem 0; }
.m1-sec + .m1-sec { border-top: 1px solid var(--line); }
.m1-title { font-size: clamp(1.6rem, 3.4vw, 2.5rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 .7rem; }
.m1-sub { font-size: 1.02rem; color: var(--text-2); line-height: 1.85; max-width: 42rem; margin: 0; }
.m1-eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .78rem; font-weight: 600; letter-spacing: .04em; color: var(--accent-text); background: rgba(232,93,58,.08); padding: .34rem .8rem; border-radius: 999px; margin-bottom: 1.1rem; }
.m1-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ── 1. NoticeBanner（合规声明条）───────────────────────────── */
.notice-banner { display: flex; gap: .75rem; align-items: flex-start; background: var(--surface-warm); border: 1px solid var(--line); border-left: 3px solid var(--gold); border-radius: var(--radius-md); padding: .85rem 1.1rem; font-size: .84rem; color: var(--text-2); line-height: 1.7; margin: 0 0 1.4rem; }
.notice-banner svg { flex-shrink: 0; margin-top: .15rem; color: var(--gold-deep); }
.notice-banner strong { color: var(--text); }
.notice-banner a { color: var(--accent-text); font-weight: 600; }

/* ── 2. HeroInputCard + ModeChip（首屏唯一输入框）───────────── */
.hero-card { background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-xl); padding: 1.5rem; box-shadow: var(--sh-3); }
.hero-card .hc-modes { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.mode-chip { display: inline-flex; align-items: center; gap: .4rem; padding: .46rem 1rem; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--text-2); font-size: .84rem; font-weight: 500; cursor: pointer; transition: all .3s var(--ease-spring); }
.mode-chip:hover { border-color: var(--accent-text); color: var(--accent-text); }
.mode-chip[aria-pressed="true"] { background: var(--ink); color: #FFF; border-color: var(--ink); }
.hc-input { display: flex; gap: .6rem; align-items: center; background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: .5rem .5rem .5rem 1.1rem; transition: border-color .3s, box-shadow .3s; }
.hc-input:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,58,.12); }
.hc-input input { flex: 1; border: 0; background: transparent; font-size: 1rem; color: var(--text); outline: none; padding: .55rem 0; font-family: inherit; }
.hc-input input::placeholder { color: var(--text-3); }
.hc-input .send { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--accent); color: #FFF; display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: transform .3s var(--ease-spring), background .3s; }
.hc-input .send:hover { background: var(--accent-deep); transform: scale(1.05); }
.hc-hotwords { display: flex; gap: .45rem; flex-wrap: wrap; margin-top: .85rem; }
.hot-word { font-size: .78rem; color: var(--text-3); background: var(--shell-bg); padding: .3rem .75rem; border-radius: 999px; cursor: pointer; transition: color .25s, background .25s; border: 0; font-family: inherit; }
.hot-word:hover { color: var(--accent-text); background: rgba(232,93,58,.08); }

/* ── 3. Stepper（分步操作）──────────────────────────────────── */
.stepper { display: flex; align-items: center; gap: .5rem; margin: 0 0 1.6rem; flex-wrap: wrap; }
.stepper .st { display: flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--text-3); }
.stepper .st b { width: 24px; height: 24px; border-radius: 50%; background: var(--shell-bg); color: var(--text-3); display: flex; align-items: center; justify-content: center; font-size: .74rem; font-weight: 700; }
.stepper .st[data-on] { color: var(--text); font-weight: 600; }
.stepper .st[data-on] b { background: var(--ink); color: #FFF; }
.stepper .st[data-done] b { background: var(--success); color: #FFF; }
.stepper .sep { width: 18px; height: 1px; background: var(--line-strong); }

/* ── 4. DebtIntakeForm（三问录入）───────────────────────────── */
.form-grid { display: grid; gap: 1.1rem; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--text); margin-bottom: .45rem; }
.field .hint { font-size: .74rem; color: var(--text-3); margin-top: .35rem; }
.field input, .field select, .field textarea { width: 100%; padding: .68rem .9rem; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font-size: .92rem; font-family: inherit; transition: border-color .25s, box-shadow .25s; box-sizing: border-box; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,58,.1); }
.field .err { font-size: .76rem; color: var(--danger); margin-top: .35rem; display: none; }
.field.invalid input { border-color: var(--danger); }
.field.invalid .err { display: block; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }

/* ── 5. LetterPreview（实时预览）────────────────────────────── */
.letter-preview { background: #FFF; color: #12161C; border: 1px solid var(--line-strong); border-radius: var(--radius-md); padding: 1.8rem; font-size: .88rem; line-height: 2; box-shadow: var(--sh-2); max-height: 30rem; overflow: auto; }
.letter-preview h4 { font-size: 1.15rem; text-align: center; margin: 0 0 1.4rem; letter-spacing: .12em; font-weight: 700; }
.letter-preview .lp-row { display: flex; justify-content: space-between; gap: 1rem; }
.letter-preview .lp-sign { margin-top: 1.8rem; text-align: right; }
.letter-preview .lp-ai { margin-top: 1.4rem; padding-top: .8rem; border-top: 1px dashed #D8DEE7; font-size: .72rem; color: #5B6B7C; }
.letter-preview .lp-ph { background: rgba(232,93,58,.1); border-bottom: 1px dashed var(--accent); padding: 0 .2rem; color: var(--accent-deep); }
.letter-preview .lp-empty { color: #97A3AF; }
[data-theme="dark"] .letter-preview { background: #F7F8FA; }

/* ── 6. PriceTierCard（三档）────────────────────────────────── */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 860px) { .tier-grid { grid-template-columns: 1fr; } }
.tier { position: relative; background: var(--surface); border: 1.5px solid var(--line-strong); border-radius: var(--radius-lg); padding: 1.4rem 1.3rem; cursor: pointer; transition: all .3s var(--ease-spring); }
.tier:hover { border-color: var(--accent-text); transform: translateY(-3px); box-shadow: var(--sh-3); }
.tier[aria-checked="true"] { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,58,.12); }
.tier .t-name { font-size: .84rem; font-weight: 600; color: var(--text-2); }
.tier .t-price { font-size: 1.7rem; font-weight: 700; color: var(--text); margin: .4rem 0 .1rem; letter-spacing: -.02em; }
.tier .t-price small { font-size: .8rem; font-weight: 500; color: var(--text-3); }
.tier ul { list-style: none; padding: 0; margin: .9rem 0 0; font-size: .82rem; color: var(--text-2); line-height: 1.9; }
.tier li { display: flex; gap: .5rem; }
.tier li::before { content: "✓"; color: var(--success); font-weight: 700; flex-shrink: 0; }
.tier .t-badge { position: absolute; top: -10px; right: 14px; background: var(--gold); color: var(--ink); font-size: .68rem; font-weight: 700; padding: .18rem .6rem; border-radius: 999px; }
.tier .t-note { font-size: .72rem; color: var(--text-3); margin-top: .7rem; line-height: 1.6; }

/* ── 7. TimelineTracker（催告时间线）────────────────────────── */
.timeline { position: relative; padding-left: 1.6rem; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--line-strong); }
.tl-item { position: relative; padding: 0 0 1.3rem 0; }
.tl-item::before { content: ""; position: absolute; left: -1.6rem; top: .35rem; width: 12px; height: 12px; border-radius: 50%; background: var(--surface); border: 2px solid var(--line-strong); }
.tl-item[data-state="done"]::before { background: var(--success); border-color: var(--success); }
.tl-item[data-state="now"]::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px rgba(232,93,58,.15); }
.tl-item .tl-t { font-size: .84rem; font-weight: 600; color: var(--text); }
.tl-item .tl-d { font-size: .78rem; color: var(--text-3); margin-top: .2rem; }

/* ── 8. ReminderToggle（提醒开关）───────────────────────────── */
.rem-toggle { display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--surface-warm); border: 1px solid var(--line); border-radius: var(--radius-md); padding: .9rem 1.1rem; }
.rem-toggle .rt-t { font-size: .86rem; font-weight: 600; color: var(--text); }
.rem-toggle .rt-d { font-size: .76rem; color: var(--text-3); margin-top: .2rem; }
.switch { position: relative; width: 46px; height: 26px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .sl { position: absolute; inset: 0; background: var(--line-strong); border-radius: 999px; cursor: pointer; transition: background .3s; }
.switch .sl::before { content: ""; position: absolute; width: 20px; height: 20px; left: 3px; top: 3px; background: #FFF; border-radius: 50%; transition: transform .3s var(--ease-spring); box-shadow: var(--sh-1); }
.switch input:checked + .sl { background: var(--accent); }
.switch input:checked + .sl::before { transform: translateX(20px); }

/* ── 9. LawyerHandoff（转律师入口）──────────────────────────── */
.handoff { display: flex; align-items: center; gap: 1rem; background: var(--ink); color: #FFF; border-radius: var(--radius-lg); padding: 1.2rem 1.4rem; }
.handoff .ho-t { font-size: .96rem; font-weight: 600; }
.handoff .ho-d { font-size: .8rem; opacity: .78; margin-top: .25rem; line-height: 1.65; }
.handoff .ho-act { margin-left: auto; flex-shrink: 0; }
.handoff a, .handoff button { background: var(--gold); color: var(--ink); font-weight: 700; font-size: .84rem; padding: .6rem 1.2rem; border-radius: 999px; border: 0; cursor: pointer; text-decoration: none; display: inline-block; font-family: inherit; transition: transform .3s var(--ease-spring); }
.handoff a:hover, .handoff button:hover { transform: translateY(-2px); }
@media (max-width: 640px) { .handoff { flex-direction: column; align-items: flex-start; } .handoff .ho-act { margin-left: 0; } }

/* ── 10. PayDialog（支付弹窗）───────────────────────────────── */
.pay-mask { position: fixed; inset: 0; background: rgba(11,36,71,.5); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; z-index: var(--z-modal); padding: 1rem; }
.pay-mask[data-open] { display: flex; }
.pay-box { background: var(--surface); border-radius: var(--radius-lg); padding: 1.6rem; width: 100%; max-width: 420px; box-shadow: var(--sh-5); }
.pay-box h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.pay-box .pb-sub { font-size: .8rem; color: var(--text-3); margin: 0 0 1.1rem; }
.pay-box .pb-row { display: flex; justify-content: space-between; font-size: .88rem; padding: .55rem 0; border-bottom: 1px dashed var(--line); }
.pay-box .pb-row.total { border-bottom: 0; font-weight: 700; font-size: 1rem; padding-top: .8rem; }
.pay-box .pb-ch { display: flex; gap: .6rem; margin: .9rem 0 1.1rem; }
.pay-box .pb-ch label { flex: 1; display: flex; align-items: center; justify-content: center; gap: .4rem; border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); padding: .6rem; font-size: .84rem; cursor: pointer; }
.pay-box .pb-ch input { accent-color: var(--accent); }
.pay-box .pb-ch label:has(input:checked) { border-color: var(--accent); background: rgba(232,93,58,.05); }
.pay-box .pb-actions { display: flex; gap: .7rem; }
.pay-box .pb-actions button { flex: 1; padding: .75rem; border-radius: 999px; border: 0; font-size: .9rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.pay-box .pb-cancel { background: var(--shell-bg); color: var(--text-2); }
.pay-box .pb-ok { background: var(--accent); color: #FFF; }
.pay-box .pb-ok:disabled { opacity: .6; cursor: not-allowed; }

/* ── 通用：区块卡 / 结果页 ──────────────────────────────────── */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--sh-1); }
.panel + .panel { margin-top: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; align-items: start; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
.step-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.4rem; }
.btn-solid { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; background: var(--accent); color: #FFF; border: 0; border-radius: 999px; padding: .78rem 1.7rem; font-size: .92rem; font-weight: 600; cursor: pointer; text-decoration: none; font-family: inherit; transition: transform .3s var(--ease-spring), background .3s; }
.btn-solid:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn-line { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; background: var(--surface); color: var(--text); border: 1px solid var(--line-strong); border-radius: 999px; padding: .78rem 1.7rem; font-size: .92rem; font-weight: 600; cursor: pointer; text-decoration: none; font-family: inherit; transition: border-color .3s, transform .3s; }
.btn-line:hover { border-color: var(--accent-text); transform: translateY(-2px); }
.btn-solid[disabled], .btn-line[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* 面包屑 */
.crumbs { padding: 6rem 0 0; font-size: .78rem; color: var(--text-3); }
.crumbs .wrap { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.crumbs a { color: var(--text-3); text-decoration: none; }
.crumbs a:hover { color: var(--accent-text); }
.crumbs i { font-style: normal; opacity: .55; }

/* ── 导航「更多」下拉（默认折叠，点击展开）─────────────── */
.nav-more { position: relative; }
.nav-more-btn { display: inline-flex; align-items: center; gap: .3rem; padding: .42rem .95rem; border-radius: 999px; border: 0; background: transparent; font-size: .82rem; font-weight: 500; color: var(--text-2); font-family: inherit; cursor: pointer; transition: all .35s var(--ease-spring); white-space: nowrap; flex-shrink: 0; }
.nav-more-btn svg { flex-shrink: 0; }
.nav-more-btn:hover, .nav-more-btn[aria-expanded="true"] { background: var(--shell-bg); color: var(--text); }
.nav-more-menu { position: absolute; top: calc(100% + .6rem); right: 0; min-width: 168px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--sh-4); padding: .45rem; display: none; flex-direction: column; z-index: var(--z-nav); }
.nav-more[data-open] .nav-more-menu { display: flex; }
.nav-more-menu a { padding: .55rem .85rem; border-radius: var(--radius-sm); font-size: .84rem; color: var(--text-2); text-decoration: none; }
.nav-more-menu a:hover { background: var(--shell-bg); color: var(--text); }

/* sr-only（无障碍隐藏标签） */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* skip-link */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999; background: var(--ink); color: #FFF; padding: .7rem 1.2rem; border-radius: 0 0 var(--radius-sm) 0; font-size: .84rem; }
.skip-link:focus { left: 0; }

/* 工具声明 / 空态 / 骨架 */
.tool-decl { font-size: .78rem; color: var(--text-3); line-height: 1.75; margin: .8rem 0 0; }
.empty { text-align: center; padding: 2.6rem 1rem; color: var(--text-3); font-size: .88rem; }
.skeleton { background: linear-gradient(90deg, var(--shell-bg) 25%, var(--surface-warm) 50%, var(--shell-bg) 75%); background-size: 200% 100%; animation: sk 1.4s infinite; border-radius: var(--radius-sm); height: 1rem; }
@keyframes sk { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* 提示条 */
.m1-toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(120%); background: var(--ink); color: #FFF; padding: .75rem 1.4rem; border-radius: 999px; font-size: .86rem; z-index: var(--z-toast); transition: transform .4s var(--ease-spring); box-shadow: var(--sh-4); }
.m1-toast[data-show] { transform: translateX(-50%) translateY(0); }

/* 数据条 / 信任带 */
.trust-bar { display: flex; gap: 2.2rem; flex-wrap: wrap; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.trust-bar .tb-i b { display: block; font-size: 1.25rem; font-weight: 700; color: var(--accent-text); letter-spacing: -.02em; }
.trust-bar .tb-i span { font-size: .76rem; color: var(--text-3); }

/* ══════════════════════════════════════════════════════════
   订单 / 账户（FX-T01）—— /orders/ 与 /account/
   ══════════════════════════════════════════════════════════ */
.ord-list { display: flex; flex-direction: column; gap: .7rem; }
.ord-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.ord-main { min-width: 0; flex: 1 1 18rem; }
.ord-name { font-size: .95rem; font-weight: 700; color: var(--text); }
.ord-meta { margin-top: .35rem; font-size: .74rem; color: var(--text-3); display: flex; gap: .35rem; flex-wrap: wrap; align-items: center; }
.ord-no { font-family: var(--font-mono, monospace); letter-spacing: .01em; }
.ord-sep { opacity: .5; }
.ord-ch { color: var(--text-2); }
.ord-right { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.ord-amt { font-size: 1.05rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.ord-st { font-size: .74rem; padding: .2rem .6rem; border-radius: 999px; background: var(--shell-bg); color: var(--text-2); }
.ord-st[data-st="paid"] { background: rgba(11,36,71,.06); color: var(--text-2); }
.ord-st[data-st="pending"] { background: rgba(232,93,58,.10); color: var(--accent-text); }
.ord-act { display: flex; gap: .4rem; flex-wrap: wrap; }
.ord-muted { color: var(--text-3); font-size: .84rem; padding: .6rem 0; }

/* 账户行 */
.acct-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.acct-row:last-child { border-bottom: 0; }
.acct-k { font-size: .84rem; color: var(--text-2); }
.acct-v { font-size: .9rem; color: var(--text); font-weight: 600; }

/* 权益卡片 */
.ent-card { position: relative; }
.ent-kind { font-size: .72rem; color: var(--text-3); margin-top: .3rem; }
.ent-remain { margin-top: .7rem; display: flex; align-items: baseline; gap: .35rem; }
.ent-remain b { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.ent-remain small { font-size: .72rem; color: var(--text-3); }
.ent-meta { margin-top: .35rem; font-size: .74rem; color: var(--text-3); }
.ent-expired { opacity: .6; }
.ent-badge { position: absolute; top: .9rem; right: .9rem; font-size: .68rem; padding: .18rem .5rem; border-radius: 999px; background: rgba(232,93,58,.10); color: var(--accent-text); }