:root{--bg:#f7f6f4;--surface:#fff;--ink:#1d1b1a;--ink-soft:#6c6661;--ink-faint:#9b948e;--brand:#ff2e4d;--brand-soft:#ffe5e9;--line:#ece8e3;--shadow-sm:0 1px 2px #1d1b1a0a, 0 4px 14px #1d1b1a0d;--shadow-md:0 8px 30px #1d1b1a1a;--radius:18px;--radius-sm:12px;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit}.app{min-height:100vh;padding-bottom:64px}.topbar{z-index:30;-webkit-backdrop-filter:saturate(180%)blur(16px);backdrop-filter:saturate(180%)blur(16px);border-bottom:1px solid var(--line);background:#f7f6f4d9;position:sticky;top:0}.topbar-inner{align-items:center;gap:20px;max-width:1180px;margin:0 auto;padding:16px 24px;display:flex}.brand{flex-shrink:0;align-items:center;gap:12px;display:flex}.brand-logo{object-fit:cover;object-position:center 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var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);z-index:0;transition:transform .18s,box-shadow .18s;position:relative;overflow:visible}.card:hover{box-shadow:var(--shadow-md);z-index:100;transform:translateY(-4px)}.card-cover{background:var(--brand-soft);cursor:pointer;border-radius:var(--radius) var(--radius) 0 0;border:none;width:100%;padding:0;line-height:0;display:block;position:relative;overflow:hidden}.card-cover img{aspect-ratio:4/3;object-fit:cover;width:100%;display:block}.cover-fallback{aspect-ratio:4/3;width:100%;color:var(--brand);background:linear-gradient(135deg,#ffd5dc,#ffe9d6);place-items:center;font-size:34px;font-weight:700;line-height:1;display:grid}.cover-fallback.large{border-radius:var(--radius-sm);aspect-ratio:4/3;font-size:52px}.badge{color:#fff;background:#0000009e;border-radius:999px;padding:4px 9px;font-size:11px;line-height:1;position:absolute;top:10px;left:10px}.card-body{background:var(--surface);border-radius:0 0 var(--radius) 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.14s;display:inline-flex}.react-icon{font-size:13px;line-height:1}.react-count{font-variant-numeric:tabular-nums;font-size:12px;line-height:1}.react:hover{background:var(--bg);color:var(--ink-soft)}.react.liked{color:var(--brand)}.react.saved{color:#f5a623}.card-icon-btn{z-index:4;width:26px;height:26px;color:var(--ink-faint);background:0 0;border:none;border-radius:50%;place-items:center;font-size:14px;font-weight:700;line-height:1;transition:color .14s,background .14s;display:grid;position:relative}.card-icon-btn:hover{background:var(--brand-soft);color:var(--brand)}.card-icon-btn:disabled{opacity:.45;cursor:not-allowed}.card-icon-btn:disabled:hover{color:var(--ink-faint);background:0 0}[data-tip]{position:relative}[data-tip]:after{content:attr(data-tip);color:#fff;white-space:nowrap;opacity:0;pointer-events:none;z-index:10000;background:#1d1b1aeb;border-radius:8px;padding:5px 9px;font-size:12px;font-weight:500;line-height:1.2;transition:opacity .14s,transform .14s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)translateY(4px);box-shadow:0 4px 14px #0000002e}.card-icon-btn[data-tip]:after{top:calc(100% + 8px);bottom:auto;transform:translate(-50%)translateY(-4px)}.card-icon-btn[data-tip]:hover:after{transform:translate(-50%)translateY(0)}[data-tip]:hover:after{opacity:1;transform:translate(-50%)translateY(0)}[data-tip]:disabled:hover:after{opacity:0}.toast{z-index:100;color:#fff;box-shadow:var(--shadow-md);background:#1d1b1aeb;border-radius:999px;padding:10px 16px;font-size:13px;animation:.16s fade;position:fixed;top:18px;left:50%;transform:translate(-50%)}.skeleton{pointer-events:none}.skeleton-img{aspect-ratio:4/3;background:linear-gradient(90deg,#efeae5 25%,#f6f3ef 50%,#efeae5 75%) 0 0/200% 100%;width:100%;animation:1.3s infinite shimmer}.skeleton-line{background:linear-gradient(90deg,#efeae5 25%,#f6f3ef 50%,#efeae5 75%) 0 0/200% 100%;border-radius:6px;height:12px;margin:14px 14px 0;animation:1.3s infinite shimmer}.skeleton-line.short{width:55%;margin-bottom:18px}@keyframes shimmer{to{background-position:-200% 0}}.empty{text-align:center;color:var(--ink-soft);padding:80px 20px}.empty p{margin-bottom:18px;font-size:15px}.feed-end{text-align:center;color:var(--ink-faint);padding:8px 0 24px;font-size:13px}.load-more{text-align:center;color:var(--ink-soft);min-height:48px;padding:20px 0 32px;font-size:14px}.modal{z-index:60;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1412118c;place-items:center;padding:24px;animation:.18s fade;display:grid;position:fixed;inset:0}@keyframes fade{0%{opacity:0}to{opacity:1}}.detail{background:var(--surface);width:min(900px,100%);height:88vh;min-height:0;max-height:88vh;box-shadow:var(--shadow-md);border-radius:22px;animation:.2s pop;display:flex;position:relative;overflow:hidden}@keyframes pop{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.detail-close{z-index:20;width:34px;height:34px;color:var(--ink);box-shadow:var(--shadow-sm);background:#ffffffe6;border:none;border-radius:50%;place-items:center;font-size:22px;line-height:1;display:grid;position:absolute;top:14px;right:14px}.detail-media{overscroll-behavior:contain;background:#f0ece7;flex-direction:column;flex:1.1 1 0;gap:12px;min-width:0;min-height:0;padding:16px;display:flex;overflow-y:auto}.carousel{border-radius:var(--radius-sm);background:#e7e1da;position:relative;overflow:hidden}.carousel>img{aspect-ratio:3/4;object-fit:cover;width:100%;display:block}.image-polish-hint{white-space:nowrap;color:#fff;cursor:pointer;background:linear-gradient(135deg,#ff9d4df5,#ff2e4df5);border:none;border-radius:999px;align-items:center;gap:6px;width:max-content;max-width:calc(100% - 20px);padding:8px 12px;transition:transform .2s,box-shadow .2s;display:inline-flex;position:absolute;bottom:10px;left:10px;box-shadow:0 6px 16px #ff2e4d52}.image-polish-hint:hover{transform:translateY(-1px);box-shadow:0 8px 20px #ff2e4d66}.image-polish-hint-icon{flex-shrink:0;font-size:16px}.image-polish-hint-text{font-size:13px;font-weight:600;line-height:1.3}.carousel-nav{width:36px;height:36px;color:var(--ink);box-shadow:var(--shadow-sm);background:#ffffffeb;border:none;border-radius:50%;place-items:center;font-size:24px;line-height:1;transition:transform .12s,background .12s;display:grid;position:absolute;top:50%;transform:translateY(-50%)}.carousel-nav:hover{background:#fff}.carousel-nav:active{transform:translateY(-50%)scale(.92)}.carousel-nav.prev{left:10px}.carousel-nav.next{right:10px}.carousel-counter{color:#fff;letter-spacing:.5px;background:#0009;border-radius:999px;padding:4px 10px;font-size:12px;line-height:1;position:absolute;bottom:10px;right:10px}.thumbs{flex-wrap:wrap;gap:8px;display:flex}.thumb{background:0 0;border:2px solid #0000;border-radius:10px;width:56px;height:56px;padding:0;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%}.thumb.active{border-color:var(--brand)}.detail-body{flex-direction:column;flex:1 1 0;min-width:0;min-height:0;display:flex;overflow:hidden}.detail-top{flex-shrink:0;padding:48px 26px 0;overflow:visible}.detail-top h2{overflow-wrap:anywhere;word-break:break-word;min-width:0;margin:0;font-size:22px;line-height:1.4}.detail-title-row{justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:10px;display:flex}.detail-title-actions{flex-shrink:0;gap:8px;padding-top:2px;display:flex;position:relative;overflow:visible}.detail-icon-action{z-index:1;border:1px solid var(--line);background:var(--surface);width:34px;height:34px;color:var(--ink-soft);box-shadow:var(--shadow-sm);border-radius:50%;place-items:center;font-size:18px;font-weight:800;transition:transform .12s,color .12s,border-color .12s,background .12s;display:grid;position:relative}.detail-icon-action:hover{color:var(--brand);background:var(--brand-soft);border-color:#ff2e4d47;transform:translateY(-1px)}.detail-icon-action[data-tip]:after{inset:calc(100% + 8px) 0 auto auto;transform:translateY(-4px)}.detail-icon-action[data-tip]:hover:after{transform:translateY(0)}.detail-icon-action:disabled{opacity:.5;cursor:not-allowed;transform:none}.detail-meta{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.detail-route-panel{flex-shrink:0;margin:12px 26px 0}.detail-scroll{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;flex:1 1 0;min-height:0;padding:16px 26px 24px;overflow:hidden auto}.detail-scroll h2{margin:0 0 14px;font-size:22px;line-height:1.4}.detail-content{color:var(--ink-soft);font-size:15px;line-height:1.75}.markdown-content p,.xhs-paragraph{white-space:pre-line;margin:0 0 14px}.markdown-content p:last-child,.xhs-paragraph:last-child{margin-bottom:0}.markdown-content 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14px;display:flex}.route-toggle-main{align-items:center;gap:8px;min-width:0;display:flex}.route-toggle-icon{font-size:14px}.route-toggle-text{color:var(--ink);font-size:14px;font-weight:700}.route-toggle-count{color:var(--ink-faint);font-size:12px}.route-toggle-arrow{color:var(--brand);flex-shrink:0;font-size:12px;font-weight:600}.route-panel{overscroll-behavior:contain;max-height:min(40vh,360px);padding:0 14px 14px;overflow-y:auto}.route-loc-row{margin-bottom:12px}.route-loc-chip{border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:5px 12px;font-size:12px;font-weight:600;display:inline-flex}.route-loc-chip:before{content:"📍";font-size:12px}.route-loc-chip.active{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}.route-loc-chip:disabled{opacity:.6;cursor:default}.route-groups{flex-direction:column;gap:14px;display:flex}.route-group{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:12px}.route-group-title{align-items:center;gap:8px;margin-bottom:10px;display:flex}.route-group-badge{color:#fff;background:var(--brand);border-radius:6px;flex-shrink:0;padding:2px 8px;font-size:12px;font-weight:700}.route-group-name{color:var(--ink);font-size:13px;font-weight:600}.route-pois{margin:0;padding:0;list-style:none}.route-poi{align-items:flex-start;gap:10px;padding:7px 0;display:flex}.route-poi+.route-poi{border-top:1px dashed var(--line)}.route-poi-dot{background:var(--brand-soft);width:20px;height:20px;color:var(--brand);border-radius:50%;flex-shrink:0;place-items:center;margin-top:1px;font-size:11px;font-weight:700;display:grid}.route-poi-info{flex:1;min-width:0}.route-poi-line{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.route-poi-name-row{flex-wrap:wrap;align-items:center;gap:6px;min-width:0;display:flex}.route-poi-name{color:var(--ink);font-size:14px;font-weight:600}.route-poi-distance{color:var(--brand);white-space:nowrap;flex-shrink:0;font-size:12px;font-weight:700}.route-poi-sub{flex-wrap:wrap;align-items:center;gap:6px;margin-top:3px;display:flex}.route-poi-tag{color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:1px 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0}.detail-route-panel{max-height:none;margin:12px 18px 0}.detail-scroll{flex:none;min-height:auto;padding:14px 18px 24px;overflow:visible}.topbar-inner{flex-wrap:wrap;gap:12px}.search{flex-basis:100%;order:3}}@media (width<=560px){.app{padding-bottom:40px}.topbar-inner{flex-wrap:wrap;align-items:center;gap:10px 12px;padding:12px 16px}.brand{flex:auto;gap:10px;min-width:0}.brand-logo{border-radius:12px;width:42px;height:42px}.brand-text{min-width:0}.brand-text strong{letter-spacing:.2px;white-space:nowrap;text-overflow:ellipsis;font-size:16px;overflow:hidden}.brand-text small{white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.generate-trigger{flex-shrink:0;order:2;padding:9px 14px;font-size:13px}.search{flex-basis:100%;order:3;padding:7px 7px 7px 14px}.search input{min-width:0;font-size:16px}.search-go{padding:8px 16px}.tag-rail{gap:7px;padding:0 16px 10px}.tag-pill{padding:6px 14px;font-size:13px}.sort-rail{gap:7px;padding:0 16px 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input{font-size:16px}.primary{width:100%}.modal{place-items:stretch stretch;padding:0}.detail{-webkit-overflow-scrolling:touch;border-radius:0;width:100%;height:100dvh;max-height:100dvh;overflow-y:auto}.detail-media{background:#1a1816;flex:none;gap:0;max-height:none;padding:0;overflow:visible}.carousel{border-radius:0}.carousel>img{aspect-ratio:4/3;object-fit:cover}.carousel-nav{width:32px;height:32px;font-size:20px}.carousel-nav.prev{left:8px}.carousel-nav.next{right:8px}.thumbs{background:var(--surface);scrollbar-width:none;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;gap:8px;padding:10px 16px;overflow-x:auto}.thumbs::-webkit-scrollbar{display:none}.thumb{flex-shrink:0;width:52px;height:52px}.detail-body{flex:none;min-height:auto;overflow:visible}.detail-top{padding:16px 16px 0}.detail-top h2{overflow-wrap:anywhere;word-break:break-word;min-width:0;font-size:18px;line-height:1.45}.detail-close{top:max(10px, env(safe-area-inset-top,0px));color:#fff;width:32px;height:32px;box-shadow:none;background:#00000073;font-size:20px;right:10px}.detail-title-row{flex-direction:column;align-items:stretch;gap:10px;margin-bottom:10px}.detail-title-actions{order:2;justify-content:flex-start;padding-top:0}.detail-icon-action{width:36px;height:36px;font-size:16px}.detail-meta{gap:8px;margin-bottom:4px}.detail-route-panel{max-height:none;margin:12px 16px 0}.detail-scroll{min-height:auto;padding:14px 16px max(24px, env(safe-area-inset-bottom,0px));flex:none;overflow:visible}.detail-content{font-size:15px;line-height:1.8}.markdown-content p,.xhs-paragraph{margin-bottom:16px}.detail-actions{gap:10px;padding-top:16px;padding-bottom:8px}.detail-actions .react{flex:1;justify-content:center}.export-overlay{align-items:flex-end;padding:0}.export-modal{border-radius:20px 20px 0 0;width:100%;max-height:92vh;padding:20px 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10px;font-family:inherit;font-size:12px}.export-prompt-error{color:var(--brand);margin:0;font-size:12px}.export-prompt-buttons{justify-content:flex-end;gap:8px;display:flex}.export-modal-footer{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.share-page{background:var(--bg);min-height:100vh}.share-page-topbar{z-index:30;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff5;justify-content:space-between;align-items:center;gap:16px;padding:12px 20px;display:flex;position:sticky;top:0}.share-page-brand{color:var(--ink);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.share-page-brand strong{font-size:15px}.share-page-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.share-page-home{border-radius:999px;justify-content:center;align-items:center;padding:8px 14px;text-decoration:none;display:inline-flex}.share-page-body{justify-content:center;padding:24px 20px 40px;display:flex}.share-page-status{text-align:center;width:min(900px,100%);padding:48px 20px}.share-detail{width:min(900px,100%);height:auto;min-height:0;max-height:none;box-shadow:var(--shadow-md);align-items:stretch;overflow:hidden}.share-detail .detail-media{flex:0 0 42%;max-height:none;overflow:visible}.share-detail .detail-body{flex:auto;min-height:auto;overflow:visible}.share-detail .detail-route-panel{max-height:none}.share-detail .detail-scroll{flex:none;min-height:auto;overflow:visible}@media (width<=820px){.share-page-topbar{flex-direction:column;align-items:flex-start}.share-page-actions{justify-content:flex-start;width:100%}.share-detail{flex-direction:column}.share-detail .detail-media{flex:none;max-height:none}.share-detail .detail-body{flex:none;width:100%}}.auth-login-btn,.auth-menu-trigger{color:#fff;cursor:pointer;background:#ff4d4f;border:none;border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;transition:background .15s}.auth-login-btn:hover,.auth-menu-trigger:hover{background:#ff7875}.auth-menu{position:relative}.auth-menu-dropdown{z-index:100;background:#fff;border-radius:12px;min-width:200px;position:absolute;top:calc(100% + 6px);right:0;overflow:hidden;box-shadow:0 6px 24px #0000001f}.auth-menu-item{text-align:left;cursor:pointer;color:#333;background:0 0;border:none;width:100%;padding:12px 16px;font-size:14px;transition:background .12s;display:block}.auth-menu-item:hover{background:#fafafa}.auth-menu-status{cursor:default;color:#666;border-bottom:1px solid #f0f0f0;font-size:13px;line-height:1.5}.auth-menu-status:hover{background:0 0}.auth-menu-subscribe{color:#ff4d4f;border-bottom:1px solid #f0f0f0;font-weight:600}.auth-menu-logout{color:#999}.subscription-overlay,.paywall-overlay{z-index:1000;background:#0000008c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.subscription-modal,.paywall-modal{text-align:center;background:#fff;border-radius:20px;width:100%;max-width:400px;padding:32px 28px;position:relative;box-shadow:0 20px 60px #00000040}.subscription-close,.paywall-close{color:#999;cursor:pointer;background:0 0;border:none;font-size:24px;line-height:1;position:absolute;top:12px;right:16px}.subscription-close:hover,.paywall-close:hover{color:#333}.subscription-modal h2,.paywall-modal h2{color:#222;margin:0 0 12px;font-size:20px}.subscription-price,.paywall-price{color:#ff4d4f;margin:8px 0 16px;font-size:32px;font-weight:700}.subscription-benefits{text-align:left;margin:0 0 24px;padding:0;list-style:none}.subscription-benefits li{color:#555;padding:6px 0;font-size:14px}.subscription-benefits li:before{content:"✓ 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img{object-fit:contain;width:200px;height:200px}.subscription-amount{color:#333;margin:12px 0 4px;font-size:14px}.subscription-polling{color:#ff4d4f;margin:4px 0 0;font-size:13px}.subscription-close-btn{color:#666;cursor:pointer;background:#f5f5f5;border:none;border-radius:12px;width:100%;margin-top:16px;padding:10px;font-size:14px;display:block}.subscription-expires{color:#999;margin:8px 0 0;font-size:13px}.paywall-icon{margin-bottom:8px;font-size:48px}.paywall-usage{color:#666;margin:0 0 8px;font-size:14px}.paywall-desc{color:#999;margin:0 0 20px;font-size:13px}.paywall-later-btn{color:#999;cursor:pointer;background:0 0;border:none;width:100%;margin-top:8px;padding:10px;font-size:14px;display:block}.login-required-overlay{z-index:1100;background:#0000008c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.login-required-modal{text-align:center;background:#fff;border-radius:20px;width:100%;max-width:400px;padding:32px 28px;position:relative;box-shadow:0 20px 60px #00000040}.login-required-close{color:#999;cursor:pointer;background:0 0;border:none;font-size:24px;line-height:1;position:absolute;top:12px;right:16px}.login-required-close:hover{color:#333}.login-required-icon{margin-bottom:8px;font-size:48px}.login-required-modal h2{color:#333;margin:0 0 12px;font-size:20px}.login-required-desc{color:#999;margin:0 0 24px;font-size:13px;line-height:1.6}.login-required-btn{background:var(--brand,#ff4d4f);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:12px;font-size:15px;font-weight:600;transition:opacity .2s;display:block}.login-required-btn:hover{opacity:.9}.login-required-later-btn{color:#999;cursor:pointer;background:0 0;border:none;width:100%;margin-top:8px;padding:10px;font-size:14px;display:block}.login-required-later-btn:hover{color:#666}