:root{font-family:PingFang SC,Microsoft YaHei UI,Microsoft YaHei,Noto Sans CJK SC,Noto Sans SC,sans-serif;--bg: #f7f7f5;--surface: #ffffff;--text: #20232a;--text-secondary: #69707d;--accent: #635bff;--accent-hover: #5148e5;--accent-soft: #efeeff;--border: #e5e7eb;--success: #23856d;--success-soft: #e9f7f2;--danger: #b42318;--danger-soft: #fff1ef;--radius-lg: 18px;--radius-md: 14px;--radius-sm: 12px;--ease: cubic-bezier(.2, 0, 0, 1);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:auto}*{box-sizing:border-box}html{scroll-behavior:smooth}html[lang=en]{font-family:Segoe UI Variable,Segoe UI,Microsoft YaHei UI,Arial,sans-serif}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg)}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}svg{display:block}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.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}.app-shell{min-height:100vh}.site-header{width:min(720px,calc(100% - 40px));height:72px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-size:15px;font-weight:700;letter-spacing:-.015em}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:var(--accent);background:var(--accent-soft)}.brand-mark svg,.trust-strip svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.language-button{width:44px;height:44px;padding:0;display:grid;place-items:center;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease)}.language-button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.language-button:hover{color:var(--accent-hover);background:var(--accent-soft)}.language-button:active{transform:scale(.96)}main{width:min(720px,calc(100% - 32px));margin:24px auto 32px}.generator-card,.history-section{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:0 12px 36px #20232a0e}.generator-card{padding:32px}.card-intro{margin-bottom:28px}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--success);font-size:12px;font-weight:600}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}.card-intro h1{margin:0;color:var(--text);font-size:clamp(27px,5vw,34px);line-height:1.2;font-weight:700;letter-spacing:-.035em}.card-intro p{margin:8px 0 0;color:var(--text-secondary);font-size:14px;line-height:1.55}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.field-label{color:var(--text);font-size:13px;font-weight:600}.rule-pill{display:inline-flex;margin-left:8px;padding:4px 8px;border-radius:999px;font-size:10px;font-weight:700;vertical-align:middle}.rule-pill.default{color:var(--accent-hover);background:var(--accent-soft)}.rule-pill.custom{color:#96620a;background:#fff7d6}.length-chip{min-width:34px;height:26px;padding:0 8px;display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);background:#fafafa;font:600 12px Cascadia Code,SFMono-Regular,Consolas,monospace}.password-surface{min-height:116px;display:flex;align-items:center;border:1px solid #dedcfb;border-radius:var(--radius-md);background:var(--accent-soft)}.password-output{width:100%;padding:24px;color:#2b2852;font:600 clamp(21px,4vw,27px)/1.45 "Cascadia Code",SFMono-Regular,Menlo,Consolas,monospace;font-variant-ligatures:none;letter-spacing:.035em;overflow-wrap:anywhere;-webkit-user-select:all;user-select:all}.primary-actions{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:12px;margin-top:16px}.primary-actions button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;font-weight:600;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}.primary-actions svg,.history-list button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.primary-actions button:active:not(:disabled){transform:scale(.985)}.copy-button.primary{border:1px solid var(--accent);background:var(--accent);color:#fff;box-shadow:0 6px 16px #635bff33}.copy-button.primary:hover{border-color:var(--accent-hover);background:var(--accent-hover);box-shadow:0 8px 20px #635bff42}.copy-button.primary.success{border-color:var(--success);background:var(--success);box-shadow:0 6px 16px #23856d2e}.generate-button.secondary{border:1px solid var(--border);background:var(--surface);color:var(--text)}.generate-button.secondary:hover{border-color:#cfd2d8;background:#fafafa}.primary-actions button:disabled{color:#a7abb3;background:#f4f4f3;border-color:var(--border);box-shadow:none;cursor:not-allowed}.settings-divider{height:1px;margin-top:24px;background:var(--border)}.advanced-toggle{width:100%;min-height:64px;padding:0;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;border:0;background:none;color:var(--text);cursor:pointer;text-align:left}.advanced-title{font-size:14px;font-weight:700}.advanced-summary{overflow:hidden;color:var(--text-secondary);font-size:12px;text-align:right;text-overflow:ellipsis;white-space:nowrap}.chevron{color:var(--text-secondary);font-size:18px;line-height:1;transition:transform .18s var(--ease)}.chevron.open{transform:rotate(180deg)}.advanced-panel{padding:8px 0 4px;animation:reveal .2s var(--ease)}@keyframes reveal{0%{opacity:0;transform:translateY(-6px)}}.length-control{padding:18px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fafafa}.primary-length-control{margin-top:14px}.setting-label-row{display:flex;justify-content:space-between;align-items:center;color:var(--text);font-size:13px;font-weight:600}.number-input{width:72px;min-height:38px;padding:5px 8px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);text-align:center;font-weight:600}.number-input:focus{border-color:var(--accent)}.range-input{width:100%;min-height:24px;margin:14px 0 0;accent-color:var(--accent);cursor:pointer}.range-limits{display:flex;justify-content:space-between;margin-top:2px;color:var(--text-secondary);font:11px Cascadia Code,Consolas,monospace}.character-fieldset{min-width:0;margin:8px 0 0;padding:0;border:0}.character-fieldset legend{padding:0;color:var(--text);font-size:13px;font-weight:600}.character-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}.check-card{min-height:58px;display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;transition:border-color .18s var(--ease),background-color .18s var(--ease)}.check-card:hover{border-color:#cfd2d8;background:#fafafa}.check-card:has(input:checked){border-color:#d8d5ff;background:#faf9ff}.check-card input{position:absolute;opacity:0;pointer-events:none}.custom-check{width:21px;height:21px;flex:0 0 auto;display:grid;place-items:center;border:1.5px solid #afb3bc;border-radius:7px;color:transparent;font-size:12px;font-weight:800;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease)}.check-card input:checked+.custom-check{border-color:var(--accent);background:var(--accent);color:#fff;transform:scale(1.04)}.check-card input:focus-visible+.custom-check{outline:2px solid var(--accent);outline-offset:3px}.check-card strong{display:block;color:var(--text);font-size:13px;font-weight:600}.check-card small,.switch-row small{display:block;margin-top:2px;color:var(--text-secondary);font-size:10px;line-height:1.35}.switch-row{position:relative;min-height:64px;display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:12px;padding:6px 2px;cursor:pointer}.switch-row strong{color:var(--text);font-size:13px;font-weight:600}.switch-row input{position:absolute;right:0;opacity:0}.switch-track{width:44px;height:26px;flex:0 0 auto;border-radius:999px;background:#cfd2d8;transition:background-color .18s var(--ease)}.switch-track:after{content:"";display:block;width:20px;height:20px;margin:3px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #20232a33;transition:transform .18s var(--ease)}.switch-row input:checked+.switch-track{background:var(--accent)}.switch-row input:checked+.switch-track:after{transform:translate(18px)}.switch-row input:focus-visible+.switch-track{outline:2px solid var(--accent);outline-offset:3px}.validation-error{margin:8px 0 0;padding:10px 12px;border:1px solid #ffd4cf;border-radius:10px;color:var(--danger);background:var(--danger-soft);font-size:12px}.settings-footer{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:6px;color:var(--text-secondary);font-size:11px}.reset-button{min-height:44px;padding:0 4px;border:0;background:none;color:var(--accent);cursor:pointer;font-size:12px;font-weight:700}.reset-button:hover{color:var(--accent-hover)}.trust-strip{min-height:52px;display:flex;align-items:center;justify-content:center;gap:10px;margin:14px 0 0;color:var(--text-secondary)}.trust-strip svg{width:17px;height:17px;flex:0 0 auto;color:var(--success)}.trust-strip p{margin:0;font-size:11px;line-height:1.5;text-align:center}.history-section{margin-top:14px;padding:24px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-heading h2{margin:0;color:var(--text);font-size:15px;font-weight:700}.section-heading p{margin:4px 0 0;color:var(--text-secondary);font-size:11px}.clear-button{min-height:44px;padding:0 8px;border:0;background:none;color:var(--text-secondary);cursor:pointer;font-size:12px;font-weight:600}.clear-button:hover{color:var(--danger)}.history-list{margin:14px 0 0;padding:0;border-top:1px solid var(--border);list-style:none}.history-list li{min-height:58px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border)}.history-list li:last-child{border-bottom:0}.history-list code{flex:1;min-width:0;color:var(--text);overflow-wrap:anywhere;font:500 13px Cascadia Code,Consolas,monospace;letter-spacing:.02em}.history-list button{min-height:44px;padding:0 10px;display:inline-flex;align-items:center;gap:6px;border:0;border-radius:9px;background:transparent;color:var(--accent);cursor:pointer;font-size:11px;font-weight:700}.history-list button:hover{background:var(--accent-soft)}.history-list button svg{width:16px;height:16px}footer{padding:8px 20px 28px;color:#9296a0;text-align:center;font-size:10px}footer p{margin:0}@media(max-width:620px){.site-header{width:calc(100% - 32px);height:64px}.brand{font-size:14px}.brand-mark{width:32px;height:32px;border-radius:10px}main{width:calc(100% - 24px);margin-top:14px}.generator-card{padding:24px 18px 18px;border-radius:16px}.card-intro{margin-bottom:22px}.card-intro h1{font-size:26px}.card-intro p{font-size:13px}.password-surface{min-height:94px}.password-output{padding:18px 16px;font-size:clamp(18px,5.4vw,22px)}.primary-actions{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:8px;margin-top:12px}.primary-actions button{padding:0 10px;font-size:13px}.settings-divider{margin-top:18px}.advanced-toggle{min-height:60px;gap:8px}.advanced-summary{font-size:10px}.length-control{padding:16px}.character-grid{grid-template-columns:1fr}.settings-footer{align-items:flex-start;flex-direction:column;gap:0;padding-top:6px}.trust-strip{min-height:46px;margin-top:8px;padding:0 8px}.trust-strip p{font-size:10px}.history-section{margin-top:8px;padding:20px 18px;border-radius:16px}.history-list button span{display:none}.history-list button{min-width:44px;justify-content:center;padding:0}footer{padding-top:4px}}@media(max-width:360px){.advanced-summary{display:none}.advanced-toggle{grid-template-columns:1fr auto}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}