.ui-root{pointer-events:none;font-family:var(--font-ui);position:fixed;inset:0}.ui-root button{font:inherit;color:inherit}.ui-root input{font:inherit}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}.num{font-variant-numeric:tabular-nums}:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px}.icon-button{width:36px;height:36px;color:var(--ink-1);cursor:pointer;transition:background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);pointer-events:auto;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover{background:var(--glass-highlight);color:var(--ink-0)}.icon-button.is-active{color:var(--gold)}.icon-button.is-alert{color:var(--jade);animation:pulse-alert 1.6s var(--ease-in-out) infinite}.icon-button:disabled{opacity:.35;cursor:default}@keyframes pulse-alert{0%,to{opacity:1}50%{opacity:.45}}.meridian-dot{border:1.5px solid var(--dot-color,var(--ink-2));width:9px;height:9px;transition:background var(--dur-fast), box-shadow var(--dur-fast);border-radius:50%;flex:none}.meridian-dot.is-visible{background:var(--dot-color);box-shadow:0 0 7px color-mix(in srgb, var(--dot-color) 65%, transparent)}.chip{border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--ink-1);cursor:pointer;transition:border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);pointer-events:auto;border-radius:999px;align-items:center;gap:6px;padding:7px 14px;font-size:12.5px;display:inline-flex}.chip:hover{color:var(--ink-0);border-color:color-mix(in srgb, var(--jade) 40%, transparent)}.chip.is-active{border-color:color-mix(in srgb, var(--gold) 55%, transparent);color:var(--gold);background:var(--gold-soft)}.chip:disabled{opacity:.35;cursor:default}.chip-input{padding:4px 12px}.chip-input input{width:44px;color:inherit;text-align:right;font-variant-numeric:tabular-nums;background:0 0;border:none;outline:none;font-size:12.5px}.point-badge{font-family:var(--font-mono);letter-spacing:.04em;border:1px solid color-mix(in srgb, var(--accent,var(--jade)) 55%, transparent);color:color-mix(in srgb, var(--accent,var(--jade)) 85%, var(--ink-0));white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:11px}.disclaimer{color:var(--ink-3);margin:0;font-size:10.5px;line-height:1.6}.switch{cursor:pointer;color:var(--ink-1);pointer-events:auto;background:0 0;border:none;align-items:center;gap:10px;padding:6px 0;font-size:13px;display:flex}.switch-track{border:1px solid var(--glass-border);width:38px;height:22px;transition:background var(--dur-fast);background:#a0dcff24;border-radius:999px;flex:none;position:relative}.switch-thumb{background:var(--ink-1);width:16px;height:16px;transition:transform var(--dur-fast) var(--ease-out), background var(--dur-fast);border-radius:50%;position:absolute;top:2px;left:2px}.switch.is-on .switch-track{background:var(--jade-soft);border-color:color-mix(in srgb, var(--jade) 45%, transparent)}.switch.is-on .switch-thumb{background:var(--jade);transform:translate(16px)}.switch:disabled{opacity:.4;cursor:default}.segmented{border:1px solid var(--glass-border);background:var(--glass-bg);pointer-events:auto;border-radius:12px;gap:2px;padding:3px;display:inline-flex}.segment{color:var(--ink-2);cursor:pointer;transition:background var(--dur-fast), color var(--dur-fast);background:0 0;border:none;border-radius:9px;padding:6px 14px;font-size:12.5px}.segment:hover{color:var(--ink-0)}.segment.is-active{background:var(--gold-soft);color:var(--gold)}.segment:disabled{opacity:.35;cursor:default}.settings-field{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.settings-label{color:var(--ink-2);font-size:12px}.settings-hint{color:var(--ink-3);margin:0;font-size:11.5px}.duration-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.popover{background:var(--glass-bg-strong);border:1px solid var(--glass-border);border-radius:var(--radius-m);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(var(--glass-blur));pointer-events:auto;animation:ui-in var(--dur-fast) var(--ease-out) both;padding:14px 16px}.popover-scrim{pointer-events:auto;position:fixed;inset:0}input[type=range]{accent-color:var(--jade);pointer-events:auto}.volume-row,.opacity-row{align-items:center;gap:12px;width:100%;display:flex}.volume-row input,.opacity-row input{flex:1;min-width:120px}.volume-value{text-align:right;min-width:34px;color:var(--ink-2);font-size:12px}.sound-panel{flex-direction:column;gap:4px;min-width:220px;display:flex}.loading-screen{flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:fixed;inset:0}.loading-brand{font-family:var(--font-display);letter-spacing:.22em;color:var(--ink-0);margin:0;font-size:36px;font-weight:400}.loading-subtitle{letter-spacing:.12em;color:var(--ink-2);margin:0;font-size:12px}.loading-line{background:var(--glass-border);border-radius:1px;width:180px;height:1px;margin-top:10px;overflow:hidden}.loading-line-value{background:linear-gradient(90deg, transparent, var(--jade), transparent);width:40%;height:100%;animation:loading-sweep 1.4s var(--ease-in-out) infinite;display:block}@keyframes loading-sweep{0%{transform:translate(-100%)}to{transform:translate(350%)}}.brand{top:calc(18px + var(--safe-top));position:fixed;left:24px}.brand-name{font-family:var(--font-display);letter-spacing:.14em;color:var(--ink-0);margin:0;font-size:22px;font-weight:400}.brand-subtitle{letter-spacing:.08em;color:var(--ink-2);margin:4px 0 0;font-size:12px}.search-trigger{top:calc(84px + var(--safe-top));border:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));color:var(--ink-2);cursor:pointer;pointer-events:auto;transition:color var(--dur-fast), border-color var(--dur-fast);border-radius:10px;align-items:center;gap:8px;padding:8px 12px;font-size:12.5px;display:flex;position:fixed;left:24px}.search-trigger:hover{color:var(--ink-0);border-color:color-mix(in srgb, var(--jade) 35%, transparent)}.search-trigger kbd{font-family:var(--font-mono);color:var(--ink-3);border:1px solid var(--glass-border);border-radius:4px;padding:1px 5px;font-size:10.5px}.meridian-rail{top:calc(134px + var(--safe-top));width:238px;max-height:calc(100vh - 134px - 160px - var(--safe-top));border-radius:var(--radius-l);border:1px solid var(--glass-border);background:var(--glass-bg);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(var(--glass-blur));pointer-events:auto;transition:width var(--dur-base) var(--ease-out);flex-direction:column;display:flex;position:fixed;left:24px;overflow:hidden}.meridian-rail.is-collapsed{width:46px}.rail-head{justify-content:space-between;align-items:center;padding:8px 8px 6px 16px;display:flex}.meridian-rail.is-collapsed .rail-head{padding:6px 5px}.rail-title{letter-spacing:.14em;color:var(--ink-2);font-size:12px}.meridian-rail.is-collapsed .rail-title{display:none}.meridian-rail.is-collapsed .rail-toggle{transform:scaleX(-1)}.rail-scroll{padding:0 8px 10px;overflow-y:auto}.meridian-group-title{letter-spacing:.16em;color:var(--ink-3);margin:12px 8px 6px;font-size:11px;font-weight:500}.meridian-items{flex-direction:column;gap:1px;margin:0;padding:0;list-style:none;display:flex}.meridian-item{transition:border-color var(--dur-fast), background var(--dur-fast);border:1px solid #0000;border-radius:10px;align-items:center;gap:2px;display:flex}.meridian-item.is-current{border-color:color-mix(in srgb, var(--gold) 42%, transparent);background:color-mix(in srgb, var(--gold) 7%, transparent)}.meridian-main{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:9px;flex:1;align-items:center;gap:10px;min-width:0;min-height:38px;padding:8px 6px 8px 10px;display:flex}.meridian-main:hover{background:var(--glass-highlight)}.meridian-name{font-family:var(--font-display);color:var(--ink-0);white-space:nowrap;font-size:15px}.meridian-item:not(.is-current) .meridian-name{color:var(--ink-1)}.meridian-count{color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:auto;font-size:11px}.meridian-eye{width:32px;height:32px;color:var(--ink-3);cursor:pointer;transition:color var(--dur-fast), background var(--dur-fast), opacity var(--dur-fast);background:0 0;border:none;border-radius:8px;flex:none;justify-content:center;align-items:center;display:inline-flex}.meridian-eye:hover{color:var(--ink-0);background:var(--glass-highlight)}.meridian-eye.is-visible{color:var(--ink-2)}.meridian-rail .meridian-eye:not(.is-visible){opacity:0}.meridian-rail .meridian-item:hover .meridian-eye:not(.is-visible),.meridian-rail .meridian-item:focus-within .meridian-eye:not(.is-visible){opacity:1}.toolbar{top:calc(18px + var(--safe-top));flex-direction:column;align-items:flex-end;gap:10px;display:flex;position:fixed;right:24px}.toolbar-group{border:1px solid var(--glass-border);background:var(--glass-bg);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(var(--glass-blur));pointer-events:auto;border-radius:14px;gap:2px;padding:4px;display:flex}.toolbar-caret{width:18px}.toolbar-caret svg{opacity:.6}.toolbar-popover{min-width:240px}.view-grid{flex-wrap:wrap;gap:8px;display:flex}.point-panel{top:calc(74px + var(--safe-top));width:344px;max-height:calc(100vh - 74px - 150px - var(--safe-top) - var(--safe-bottom));border-radius:var(--radius-l);border:1px solid var(--glass-border);background:var(--glass-bg);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(var(--glass-blur));pointer-events:auto;flex-direction:column;display:flex;position:fixed;right:24px;overflow:hidden}.point-card{flex-direction:column;min-height:0;max-height:100%;display:flex}.point-panel .point-card{flex:auto}.point-card-head{border-bottom:1px solid var(--glass-border);padding:18px 18px 12px}.point-card-titles{flex-wrap:wrap;align-items:baseline;gap:12px;display:flex}.point-name{font-family:var(--font-display);letter-spacing:.06em;color:var(--ink-0);margin:0;font-size:40px;font-weight:400;line-height:1.15}.point-card.is-compact .point-name{font-size:30px}.point-pinyin{color:var(--ink-2);margin:0;font-size:13px}.point-card-meta{flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;display:flex}.point-meridian{color:var(--accent,var(--jade));font-size:12px}.point-region{color:var(--ink-2);background:var(--glass-highlight);border-radius:999px;padding:2px 8px;font-size:11px}.point-card-scroll{flex:0 auto;min-height:0;padding:14px 18px;overflow-y:auto}.point-location{color:var(--ink-0);opacity:.86;margin:0;font-size:14.5px;line-height:1.75}.point-branch{color:var(--jade);border-left:2px solid color-mix(in srgb, var(--jade) 55%, transparent);background:var(--jade-soft);border-radius:0 8px 8px 0;margin:10px 0 0;padding:8px 12px;font-size:12px;line-height:1.6}.point-nav{gap:8px;margin:14px 0 10px;display:flex}.point-nav-button{border:1px solid var(--glass-border);min-height:36px;color:var(--ink-1);cursor:pointer;transition:color var(--dur-fast), border-color var(--dur-fast);background:0 0;border-radius:10px;flex:1;align-items:center;gap:4px;padding:6px 10px;font-size:12px;display:flex}.point-nav-button:last-child{justify-content:flex-end}.point-nav-button:hover:not(:disabled){color:var(--ink-0);border-color:color-mix(in srgb, var(--jade) 35%, transparent)}.point-nav-button:disabled{opacity:.35;cursor:default}.point-strip{scrollbar-width:thin;gap:6px;padding:2px 2px 8px;display:flex;overflow-x:auto}.point-chip{border:1px solid var(--glass-border);cursor:pointer;min-width:52px;transition:border-color var(--dur-fast), background var(--dur-fast);background:0 0;border-radius:10px;flex-direction:column;flex:none;align-items:center;gap:1px;padding:7px 10px;display:flex}.point-chip:hover{border-color:color-mix(in srgb, var(--jade) 35%, transparent)}.point-chip.is-current{border-color:color-mix(in srgb, var(--gold) 55%, transparent);background:var(--gold-soft)}.point-chip-name{font-family:var(--font-display);color:var(--ink-0);white-space:nowrap;font-size:14px}.point-chip-id{font-family:var(--font-mono);color:var(--ink-3);font-size:9.5px}.point-internal{border-top:1px solid var(--glass-border);margin-top:10px}.point-internal summary{cursor:pointer;color:var(--ink-1);align-items:center;gap:6px;padding:10px 2px;font-size:13px;list-style:none;display:flex}.point-internal summary:before{content:"";border:4.5px solid #0000;border-left-color:var(--ink-2);width:0;height:0;transition:transform var(--dur-fast)}.point-internal[open] summary:before{transform:rotate(90deg)}.point-internal-body{color:var(--ink-1);padding:0 2px 12px;font-size:12.5px;line-height:1.75}.point-internal-body p{margin:0 0 8px}.point-internal-note{color:var(--ink-2);font-size:11.5px}.point-source{color:var(--jade);border-bottom:1px solid color-mix(in srgb, var(--jade) 35%, transparent);font-size:12px;text-decoration:none}.point-card-foot{border-top:1px solid var(--glass-border);padding:10px 18px 12px}.tour-dock{bottom:calc(20px + var(--safe-bottom));border:1px solid var(--glass-border);background:var(--glass-bg);width:min(600px,100vw - 880px);min-width:460px;box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(var(--glass-blur));pointer-events:auto;border-radius:20px;flex-direction:column;gap:8px;padding:12px 18px 10px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.dock-progress{gap:3px;display:flex}.dock-segment{cursor:pointer;background:0 0;border:none;flex-basis:0;height:16px;padding:0;position:relative}.dock-segment:before{content:"";background:color-mix(in srgb, var(--seg-color) 20%, transparent);height:6px;transition:background var(--dur-fast);border-radius:3px;position:absolute;top:5px;left:0;right:0}.dock-segment-fill{background:var(--seg-color);transform-origin:0;height:6px;transition:transform var(--dur-base) var(--ease-out);border-radius:3px;position:absolute;top:5px;left:0;right:0}.dock-row{justify-content:center;align-items:center;gap:10px;display:flex}.dock-button{border:1px solid var(--glass-border);width:38px;height:38px;color:var(--ink-1);cursor:pointer;transition:color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);background:0 0;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.dock-button:hover{color:var(--ink-0);border-color:color-mix(in srgb, var(--jade) 40%, transparent)}.dock-button.is-active{color:var(--gold);border-color:color-mix(in srgb, var(--gold) 45%, transparent)}.dock-button.is-alert{color:var(--jade);border-color:color-mix(in srgb, var(--jade) 55%, transparent);animation:pulse-alert 1.6s var(--ease-in-out) infinite}.dock-play{background:var(--gold-soft);width:56px;height:56px;color:var(--gold);cursor:pointer;transition:background var(--dur-fast);border:none;border-radius:50%;justify-content:center;align-items:center;display:inline-flex;position:relative}.dock-play:hover{background:color-mix(in srgb, var(--gold) 24%, transparent)}.dock-ring{width:100%;height:100%;position:absolute;inset:0}.dock-ring circle{fill:none;stroke-width:2.4px}.dock-ring-track{stroke:#e8c66a2e}.dock-ring-value{stroke:var(--gold);stroke-linecap:round;transition:stroke-dashoffset .14s linear}.dock-play-icon{display:inline-flex;position:relative}.dock-text{text-align:center;color:var(--ink-2);font-variant-numeric:tabular-nums;letter-spacing:.02em;margin:0;font-size:12px}.dock-restart{border:1px solid color-mix(in srgb, var(--gold) 55%, transparent);background:var(--gold-soft);color:var(--gold);cursor:pointer;border-radius:999px;align-self:center;margin-top:2px;padding:6px 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0;border:none;outline:none;flex:1;font-size:16px}.search-input::placeholder{color:var(--ink-3)}.search-close{width:30px;height:30px;color:var(--ink-2);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:none;justify-content:center;align-items:center;display:inline-flex}.search-close:hover{color:var(--ink-0);background:var(--glass-highlight)}.search-results{flex:1;margin:0;padding:6px;list-style:none;overflow-y:auto}.search-empty{color:var(--ink-3);text-align:center;padding:18px 16px;font-size:13px}.search-item{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:10px;width:100%;min-height:44px;padding:10px 12px;display:flex}.search-item.is-active{background:var(--glass-highlight)}.search-item-name{font-family:var(--font-display);color:var(--ink-0);font-size:16px}.search-item-meta{color:var(--ink-2);white-space:nowrap;margin-left:auto;font-size:12px}.search-hint{color:var(--ink-3);border-top:1px solid var(--glass-border);margin:0;padding:8px 16px 12px;font-size:11px}.toast{top:calc(56px + var(--safe-top));border:1px solid var(--glass-border);background:var(--glass-bg-strong);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(var(--glass-blur));color:var(--ink-0);pointer-events:none;z-index:20;animation:toast-life 1.7s var(--ease-out) both;border-radius:999px;padding:10px 26px;font-size:14px;position:fixed;left:50%;transform:translate(-50%)}.toast-meridian{font-family:var(--font-display);letter-spacing:.12em;color:var(--gold);border-color:color-mix(in srgb, var(--gold) 30%, transparent);font-size:21px}@keyframes toast-life{0%{opacity:0;transform:translate(-50%,-8px)}12%{opacity:1;transform:translate(-50%)}78%{opacity:1}to{opacity:0;transform:translate(-50%,-6px)}}.fallback-notice{top:calc(14px + var(--safe-top));z-index:6;border:1px solid var(--glass-border);background:var(--glass-bg-strong);color:var(--ink-1);pointer-events:auto;border-radius:999px;padding:8px 18px;font-size:12px;position:fixed;left:50%;transform:translate(-50%)}.fallback-reason{color:var(--ink-2);word-break:break-all;margin-top:2px;font-size:10.5px;display:block}@keyframes ui-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.is-intro .brand,.is-intro .search-trigger,.is-intro .meridian-rail,.is-intro .toolbar,.is-intro .point-panel,.is-intro .tour-dock,.is-intro .mobile-topbar,.is-intro .sheet{animation:ui-in var(--dur-slow) var(--ease-out) both}.is-intro .search-trigger{animation-delay:.1s}.is-intro .meridian-rail{animation-delay:.16s}.is-intro .toolbar{animation-delay:.22s}.is-intro .point-panel{animation-delay:.28s}.is-intro .tour-dock{animation-delay:.34s}.is-intro .mobile-topbar{animation-delay:.1s}.is-intro .sheet{animation-delay:.2s}.is-intro *{pointer-events:none!important}.mobile-topbar{z-index:10;padding-top:var(--safe-top);background:linear-gradient(#04070fd9,#04070f00);flex-direction:column;display:flex;position:fixed;top:0;left:0;right:0}.mobile-topbar-row{justify-content:space-between;align-items:center;padding:6px 12px 2px 16px;display:flex}.mobile-brand{pointer-events:none}.mobile-brand-name{font-family:var(--font-display);letter-spacing:.12em;color:var(--ink-0);font-size:17px}.mobile-topbar-actions{gap:4px;display:flex}.mobile-topbar .icon-button{pointer-events:auto}.meridian-chips{scrollbar-width:none;pointer-events:auto;gap:8px;padding:8px 16px 12px;display:flex;overflow-x:auto}.meridian-chips::-webkit-scrollbar{display:none}.meridian-chip{border:1px solid var(--glass-border);background:var(--glass-bg);min-height:40px;-webkit-backdrop-filter:blur(var(--glass-blur));color:var(--ink-1);font-size:12.5px;font-family:var(--font-display);cursor:pointer;white-space:nowrap;transition:border-color var(--dur-fast), color 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.sheet-handle.is-vertical{align-self:stretch;width:28px;height:auto}.sheet.is-landscape .sheet-grip{width:4px;height:42px}.sheet.is-landscape .sheet-body{flex:1;min-width:0}.sheet-edge-tab{z-index:12;border:1px solid var(--glass-border);background:var(--glass-bg-strong);width:40px;height:96px;color:var(--ink-1);-webkit-backdrop-filter:blur(var(--glass-blur));cursor:pointer;pointer-events:auto;touch-action:none;border-right:none;border-radius:12px 0 0 12px;justify-content:center;align-items:center;display:flex;position:fixed;top:50%;right:0;transform:translateY(-50%)}@media (max-width:820px),(max-width:932px) and (orientation:landscape) and (max-height:500px){.icon-button{width:44px;height:44px}.chip,.segment{min-height:40px;padding:8px 16px}.meridian-main{min-height:48px}.meridian-eye{width:44px;height:44px}.point-nav-button{min-height:44px}.point-chip{min-height:48px}.point-internal summary,.switch{min-height:44px}.toast{top:calc(108px + var(--safe-top));text-align:center;max-width:calc(100vw - 48px)}.fallback-notice{top:auto;bottom:calc(160px + var(--safe-bottom));text-align:center;max-width:calc(100vw - 48px)}.search-overlay{padding-top:10vh}}@media (min-width:821px) and (max-width:1240px) and (min-height:501px){.meridian-rail{width:208px}.point-panel{width:306px}.tour-dock{width:min(520px,100vw - 660px);min-width:400px}}@media (min-width:821px) and (max-width:980px) and (min-height:501px){.tour-dock{width:calc(100vw - 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