:root{--bg: #ffffff;--bg-sub: #f6f7f9;--card: #ffffff;--text: #0d1117;--text-sub: #57606a;--text-muted: #8b949e;--border: #e6e8eb;--primary: #4f46e5;--primary-soft: #eef2ff;--accent: #10b981;--accent-soft: #ecfdf5;--code-bg: #f6f8fa;--code-border: #e6e8eb;--warn-bg: #fffbeb;--warn-border: #fde68a;--warn-text: #92400e;--info-bg: #eff6ff;--info-border: #bfdbfe;--info-text: #1d4ed8;--danger-bg: #fef2f2;--danger-border: #fecaca;--danger-text: #b91c1c;--tab-bg: rgba(255, 255, 255, .94);--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 8px 24px rgba(0, 0, 0, .05);--chart-grid: #eaecef;--chart-line: #4f46e5;--chart-line-2: #10b981;--font-base: 16px;--lh-base: 1.75;--font-family-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;--font-family-serif: Georgia, "Songti SC", "SimSun", serif;--font-family-mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace}:root[data-theme=dark]{--bg: #0b0f14;--bg-sub: #0f141a;--card: #151b23;--text: #e6edf3;--text-sub: #9198a1;--text-muted: #6e7681;--border: #232a33;--primary: #7c8aff;--primary-soft: #171d2e;--accent: #3fb950;--accent-soft: #10241a;--code-bg: #0d1117;--code-border: #232a33;--warn-bg: #2a1f0a;--warn-border: #5c4410;--warn-text: #e3b341;--info-bg: #0d1a2d;--info-border: #1c3a5c;--info-text: #79b8ff;--danger-bg: #2a1010;--danger-border: #5c1f1f;--danger-text: #ff7b72;--tab-bg: rgba(11, 15, 20, .94);--chart-grid: #232a33;--chart-line: #7c8aff;--chart-line-2: #3fb950}:root[data-font=serif]{--font-family-body: Georgia, "Songti SC", "SimSun", serif}:root[data-font=mono]{--font-family-body: "SF Mono", ui-monospace, Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-family-body);background:var(--bg);color:var(--text);min-height:100vh;transition:background .3s,color .3s;overscroll-behavior-y:none}img,svg,video{max-width:100%;display:block}a{color:var(--primary);text-decoration:none}button{font-family:inherit}.app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.app-main{flex:1 1 auto;width:100%;max-width:760px;margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top,0px) + 12px) 20px 10px;gap:12px;position:sticky;top:0;background:var(--bg);z-index:50}.brand-title{font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.brand-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.icon-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-sub);cursor:pointer;transition:background .2s;flex:0 0 auto}.icon-btn:active{background:var(--bg-sub)}.tabbar{position:fixed;left:0;right:0;bottom:0;height:calc(env(safe-area-inset-bottom,0px) + 58px);padding:6px 8px calc(env(safe-area-inset-bottom,0px) + 8px);display:flex;background:var(--tab-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);z-index:90;max-width:760px;margin:0 auto}.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-muted);font-size:10.5px;font-weight:500;cursor:pointer;border:none;background:none;transition:color .2s;text-decoration:none}.tab.active{color:var(--primary)}.tab svg{width:21px;height:21px}.tabbar-space{height:calc(env(safe-area-inset-bottom,0px) + 66px);flex:0 0 auto}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:12px;transition:transform .15s,border-color .15s;cursor:pointer;display:block;text-decoration:none;color:var(--text)}.card:active{transform:scale(.985)}.article-card .ac-title{font-size:15.5px;font-weight:600;line-height:1.45;letter-spacing:-.01em;margin-bottom:6px}.article-card .ac-summary{font-size:13px;color:var(--text-sub);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card .ac-meta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--text-muted);flex-wrap:wrap}.tag-pill{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:11px;font-weight:500;text-decoration:none}.dot{width:3px;height:3px;border-radius:50%;background:var(--text-muted);flex:0 0 auto}.continue-card{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:18px;padding:18px;margin-bottom:24px;position:relative;overflow:hidden;cursor:pointer;transition:transform .15s;display:block;text-decoration:none}.continue-card:active{transform:scale(.985)}.continue-card:after{content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border-radius:50%;background:#ffffff1a}.continue-card 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.more{font-size:12px;color:var(--primary);display:flex;align-items:center;gap:2px;cursor:pointer;text-decoration:none}.domain-icon{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);flex:0 0 auto}.domain-icon svg{width:13px;height:13px}.domain-icon.green{background:var(--accent-soft);color:var(--accent)}.domain-icon.orange{background:#fff4e6;color:#f59e0b}.domain-icon.pink{background:#fdf2f8;color:#ec4899}:root[data-theme=dark] .domain-icon.orange{background:#2a1f0a}:root[data-theme=dark] .domain-icon.pink{background:#2a1220}.page-pad{padding:0 20px 24px}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeUp .4s ease backwards}.fade-in:nth-child(2){animation-delay:.05s}.fade-in:nth-child(3){animation-delay:.1s}.fade-in:nth-child(4){animation-delay:.15s}.toast{position:fixed;bottom:calc(env(safe-area-inset-bottom,0px) + 84px);left:50%;transform:translate(-50%);background:var(--text);color:var(--bg);font-size:12.5px;padding:8px 16px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:600;white-space:nowrap}.toast.show{opacity:.92;transform:translate(-50%) translateY(-6px)}.fullscreen-chart{position:fixed;inset:0;background:var(--bg);z-index:500;padding:calc(env(safe-area-inset-top,0px) + 20px) 16px 20px;display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:opacity .25s}.fullscreen-chart.show{opacity:1;pointer-events:auto}.fullscreen-chart .fc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.fullscreen-chart .fc-head h3{font-size:15px;font-weight:650;color:var(--text)}.fullscreen-chart .fc-body{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto}.fullscreen-chart .fc-body>*{width:100%}.search-input-wrap{display:flex;align-items:center;gap:10px;background:var(--bg-sub);border:1px solid var(--border);border-radius:12px;padding:10px 14px;margin-bottom:18px;transition:border-color .2s}.search-input-wrap:focus-within{border-color:var(--primary)}.search-input-wrap input{flex:1;border:none;background:none;outline:none;font-size:15px;color:var(--text);font-family:inherit;min-width:0}.search-input-wrap input::placeholder{color:var(--text-muted)}.search-clear{color:var(--text-muted);font-size:16px;cursor:pointer;line-height:1;padding:4px}.hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.hot-tag{padding:6px 13px;border-radius:999px;background:var(--bg-sub);border:1px solid var(--border);font-size:12.5px;color:var(--text-sub);cursor:pointer;transition:all .15s}.hot-tag:hover{border-color:var(--primary);color:var(--primary)}.hot-tag.active{background:var(--primary);color:#fff;border-color:var(--primary)}.result-item{padding:14px 0;border-bottom:1px solid var(--border);cursor:pointer;display:block;text-decoration:none;color:var(--text)}.result-item:active{opacity:.75}.result-item .rt{font-size:14.5px;font-weight:600;margin-bottom:5px;line-height:1.45}.result-item .rt em{color:var(--primary);font-style:normal;background:var(--primary-soft);padding:0 2px;border-radius:3px}.result-item .rs{font-size:12.5px;color:var(--text-sub);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:7px}.result-item .rs em{color:var(--primary);font-style:normal;font-weight:500}.result-meta{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--text-muted);flex-wrap:wrap}.empty-hint{font-size:13px;color:var(--text-muted);text-align:center;padding:40px 0;line-height:1.8}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;padding:4px 0 20px}.tag-chip{padding:8px 14px;border-radius:12px;background:var(--card);border:1px solid var(--border);font-size:13px;color:var(--text);display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:all .15s;text-decoration:none}.tag-chip:active{transform:scale(.96)}.tag-chip .cnt{font-size:10.5px;color:var(--text-muted);background:var(--bg-sub);padding:1px 5px;border-radius:4px}.tag-chip.hot{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.segmented{display:inline-flex;background:var(--bg-sub);border-radius:8px;padding:2px}.segmented a{padding:4px 10px;font-size:11.5px;border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .15s;text-decoration:none}.segmented a.on{background:var(--card);color:var(--text);font-weight:600;box-shadow:0 1px 2px #0000000f}.profile-card{display:flex;align-items:center;gap:14px;padding:20px 0 24px}.avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:600;flex:0 0 auto}.profile-name{font-size:17px;font-weight:650;margin-bottom:4px;color:var(--text)}.profile-sub{font-size:12px;color:var(--text-muted)}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.stat-cell{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 10px;text-align:center}.stat-num{font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.stat-label{font-size:11px;color:var(--text-muted);margin-top:3px}.setting-group{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:16px}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;border-bottom:1px solid var(--border);font-size:14px;gap:12px}.setting-row:last-child{border-bottom:none}.setting-row .sr-label{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}.setting-row .sr-label svg{width:17px;height:17px;color:var(--text-sub)}.setting-row .sr-value{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:4px;min-width:0}.group-title{font-size:12px;color:var(--text-muted);margin:22px 0 8px;padding-left:4px;font-weight:500}.seg-btn{padding:4px 10px;font-size:11.5px;border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .15s;border:none;background:transparent;font-family:inherit}.seg-btn.on{background:var(--card);color:var(--text);font-weight:600;box-shadow:0 1px 2px #0000000f}:root[data-theme=dark] .seg-btn.on{background:#26303c}