.dd-bank-mode-center{margin:0 0 18px;padding:20px;border:1px solid #dcebe4;border-radius:18px;background:linear-gradient(135deg,#f7fffb,#fff);box-shadow:0 10px 28px rgba(16,112,71,.06)}
.dd-bank-mode-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px}.dd-bank-mode-head h2{margin:0;font-size:20px;color:#183c2e}.dd-bank-mode-head p{margin:5px 0 0;color:#71847c;font-size:13px}.dd-bank-mode-current{white-space:nowrap;padding:7px 12px;border-radius:999px;background:#e8f8f0;color:#0b8a58;font-weight:700;font-size:13px}
.dd-bank-mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.dd-bank-mode-choice{position:relative;display:flex;align-items:center;gap:13px;width:100%;padding:16px;border:1px solid #dfe8e3;border-radius:14px;background:#fff;text-align:left;cursor:pointer;transition:.18s ease}.dd-bank-mode-choice:hover{transform:translateY(-1px);border-color:#75c9a5;box-shadow:0 8px 22px rgba(20,123,80,.08)}.dd-bank-mode-choice.active{border-color:#16a66b;background:#f0fff7;box-shadow:inset 0 0 0 1px rgba(22,166,107,.12)}.dd-bank-mode-choice:disabled{opacity:.62;cursor:wait}.dd-bank-mode-icon{display:grid;place-items:center;flex:0 0 44px;height:44px;border-radius:13px;background:#eef7f2;font-size:22px}.dd-bank-mode-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.dd-bank-mode-copy b{font-size:16px;color:#183c2e}.dd-bank-mode-copy span{font-size:12px;line-height:1.55;color:#74847d}.dd-bank-choice-mark{margin-left:auto;white-space:nowrap;font-style:normal;font-size:12px;font-weight:700;color:#0f9b64}.dd-bank-vip-tag{display:inline-block;margin-left:6px;padding:2px 6px;border-radius:999px;background:#fff2d4;color:#a96b00;font-size:10px;vertical-align:2px}
.dd-bank-mode-badge{margin-left:auto;align-self:flex-start;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700;white-space:nowrap}.dd-bank-mode-badge.original{background:#edf4f1;color:#507067}.dd-bank-mode-badge.optimized{background:#e6fff2;color:#07965d}
.dd-dual-explain-part+ .dd-dual-explain-part{margin-top:14px;padding-top:14px;border-top:1px dashed #d7e8df}.dd-dual-explain-part h4{margin:0 0 8px;color:#16865c;font-size:15px}.dd-dual-explain-part>div{line-height:1.75}.dd-dual-teacher-tip{background:#f4fff9;border-radius:12px;padding:12px}.dd-dual-teacher-tip+ .dd-dual-explain-part{border-top:0}
.dd-dual-bank-toast{position:fixed;left:50%;bottom:86px;z-index:99999;transform:translate(-50%,14px);padding:11px 18px;border-radius:999px;background:rgba(23,44,35,.94);color:#fff;font-size:14px;opacity:0;pointer-events:none;transition:.2s ease;box-shadow:0 10px 30px rgba(0,0,0,.18)}.dd-dual-bank-toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:720px){.dd-bank-mode-center{padding:15px;border-radius:15px}.dd-bank-mode-head{align-items:flex-start}.dd-bank-mode-grid{grid-template-columns:1fr}.dd-bank-mode-choice{padding:14px}.dd-bank-mode-head h2{font-size:18px}}