:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Noto Sans TC,sans-serif;color:#203331;background:#e6eeea;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100dvh}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #54a99b;outline-offset:2px}#app{min-height:100dvh;display:grid;place-items:center;padding:26px}.ambient{display:none}.shell{width:min(100%,458px);height:min(850px,calc(100dvh - 52px));min-height:550px;display:flex;flex-direction:column;position:relative;overflow:hidden;background:#f6f8f6;border:1px solid #d6e3dd;border-radius:26px;box-shadow:0 18px 50px #244d4020}.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 25px 17px;border-bottom:1px solid #e1eae4;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px}.brand img{width:38px;height:38px;border-radius:11px}.brand-name{font-size:18px;font-weight:750;letter-spacing:.04em}.brand-sub{font-size:10px;color:#70857a;margin-top:2px}.beta-tag{font-size:10px;letter-spacing:.06em;color:#377b6d}.home{flex:1;min-height:0;display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain;padding:33px 27px max(24px,env(safe-area-inset-bottom))}.home-hero{display:flex;gap:18px;align-items:flex-start}.route-track{display:flex;flex-direction:column;align-items:center;padding-top:6px;flex-shrink:0}.route-track span{height:14px;width:14px;border:3px solid #288c7e;background:#f6f8f6;border-radius:50%}.route-track i{width:3px;height:103px;background:#288c7e}.eyebrow{font-size:12px;color:#287c70;font-weight:650;letter-spacing:.05em}.hero-title{font-size:30px;line-height:1.24;white-space:pre-line;margin:10px 0 12px;letter-spacing:.01em}.hero-desc{font-size:13px;color:#6c8076;line-height:1.7;margin:0}.stations{margin:29px 0 0 32px;border-top:1px solid #dfe8e2}.station-row{display:flex;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid #e3ebe5;font-size:12px}.station-row strong{font-weight:650}.station-row>span:last-child{margin-left:auto;color:#687e72}.station-dot{width:10px;height:10px;border:2px solid #75b2a5;border-radius:50%;flex-shrink:0}.station-dot.active{background:#288c7e;border-color:#288c7e}.grow{flex:1;min-height:18px}.hint-box{margin:16px 0 0 32px;font-size:12px;color:#526b60;line-height:1.65}.home-actions{display:grid;margin-top:16px;flex-shrink:0}.btn{min-height:54px;border:0;border-radius:13px;padding:14px 18px;font-size:15px;font-weight:700}.btn-primary{background:#216f67;color:#fff}.btn-primary span{float:right}.btn-outline{background:#fff;border:1px solid #a6beb1;color:#275e53}.btn-small{min-height:42px;padding:9px 14px;font-size:13px}.foot-note{text-align:center;color:#72867a;font-size:11px;line-height:1.65;margin:13px 0 0}.report-last{margin:4px 0 0}.report-last .menu-item{justify-content:center;color:#315d51}.tag-trigger{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:13px 15px;background:#fff;border:1px solid #dfe9e2;border-radius:12px;color:#29453c;text-align:left}.tag-left{display:flex;align-items:center;gap:10px}.tag-title{font-size:13px;font-weight:650}.tag-help{font-size:11px;color:#758a7d}.tag-form{display:grid;gap:11px;margin-top:8px;padding:14px;background:#fff;border:1px solid #dfe9e2;border-radius:12px}.field-label{font-size:12px;color:#60776a}.field{width:100%;padding:10px 12px;border:1px solid #cbded2;border-radius:9px;background:#f8faf8;color:#203d32;font-size:16px}.visibility-row{display:flex;gap:5px}.vis-choice{flex:1;min-height:42px;background:#f4f8f5;color:#496759;border:1px solid #d9e7de;border-radius:8px;padding:8px 4px;font-size:11px}.vis-choice.selected{background:#dcefe6;color:#1e695a;border-color:#7bbca9}.chat-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;padding:20px 19px 15px;border-bottom:1px solid #dfebe3;position:relative;flex-shrink:0;background:#fff}.chat-title{font-size:15px;font-weight:750;color:#203c32}.chat-tag{display:inline-flex;padding:5px 9px;margin-top:7px;background:#e1f1e8;border-radius:50px;color:#286c5c;font-size:11px}.chat-tag.muted{background:#eff4f0;color:#627c6d}.head-ctrl{display:flex;align-items:center;gap:12px}.timer{font-size:16px;font-weight:750;color:#267f6f;font-variant-numeric:tabular-nums;letter-spacing:.02em}.timer-ending{color:#a64531}.timer-label{font-size:10px;color:#6e8477;margin-top:3px}.icon-btn{display:grid;place-items:center;width:42px;height:42px;flex-shrink:0;background:#edf5ef;border:1px solid #dbe9df;color:#376758;border-radius:11px}.icon-btn svg{width:21px;height:21px}.timer-track{height:3px;background:#deebe2}.timer-fill{height:100%;background:#2b9382;transition:width .6s linear}.chat-body{flex:1;min-height:0;overflow:auto;padding:22px 16px 20px;display:flex;flex-direction:column;gap:14px}.system-note{align-self:center;text-align:center;font-size:11px;line-height:1.8;color:#688173;max-width:260px;margin:1px 0 9px}.message-row{display:flex;flex-direction:column;max-width:82%;align-self:flex-start;gap:5px}.message-row.mine{align-self:flex-end;align-items:flex-end}.bubble{border-radius:17px 17px 17px 5px;background:#e3eee6;color:#203c30;padding:11px 13px;font-size:14px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.mine .bubble{background:#266e61;color:#fff;border-radius:17px 17px 5px}.bubble.sticker{background:transparent!important;color:inherit;font-size:42px;padding:0 8px}.message-time{font-size:10px;color:#688173;padding:0 3px}.composer-wrap{border-top:1px solid #dfeae2;padding:11px 13px max(16px,env(safe-area-inset-bottom));flex-shrink:0;background:#fff}.composer{display:flex;align-items:flex-end;gap:9px}.composer input{flex:1;min-width:0;min-height:44px;padding:10px 14px;background:#f3f7f3;color:#203c30;border:1px solid #d9e7dd;border-radius:23px;font-size:16px}.composer input::placeholder{color:#7d9183}.send-btn{display:grid;place-items:center;width:46px;height:46px;flex-shrink:0;border:0;border-radius:50%;background:#216f67;color:#fff}.send-btn:disabled{background:#dfebe2;color:#8da498}.send-btn svg{width:27px;height:27px}.send-btn.sending .speed{animation:speed .5s ease-in-out infinite alternate}@keyframes speed{0%{transform:translate(-5px);opacity:.35}to{transform:translate(0);opacity:1}}.picker{display:flex;flex-wrap:wrap;gap:4px;padding:10px;background:#edf5ef;border-radius:13px;margin-bottom:10px}.picker button{background:transparent;border:0;font-size:29px;padding:6px;border-radius:9px}.overflow{position:absolute;right:19px;top:65px;z-index:12;width:210px;padding:7px;background:#fff;border:1px solid #d5e3da;border-radius:14px;box-shadow:0 18px 40px #17382c26}.menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:12px;border:0;background:transparent;color:#29483b;text-align:left;font-size:13px;border-radius:8px}.menu-item:hover{background:#eff6f0}.menu-item.danger{color:#a34232}.menu-sep{border-top:1px solid #e2ebe4;margin:4px 0}.menu-item svg{width:18px;height:18px}.overlay{position:absolute;inset:0;z-index:30;display:grid;place-items:safe center;padding:22px;background:#17362d99;overflow:auto}.modal{width:100%;max-width:365px;padding:24px;background:#fff;border:1px solid #deebe2;border-radius:20px;box-shadow:0 20px 60px #16382e33}.modal h2{font-size:19px;line-height:1.4;margin:0 0 10px}.modal p{font-size:13px;color:#5e7568;line-height:1.75}.modal-actions{display:flex;gap:9px;margin-top:23px}.modal-actions button{flex:1}.modal textarea{resize:vertical;min-height:65px;max-height:130px}.check-row{display:flex;gap:10px;align-items:flex-start;margin:15px 0;font-size:13px;line-height:1.6}.check-row input{accent-color:#216f67;margin-top:4px}.toast{position:absolute;left:20px;right:20px;bottom:105px;z-index:45;padding:11px 14px;border-radius:12px;background:#214e40;color:#fff;text-align:center;font-size:12px;box-shadow:0 9px 30px #16382e33}.loading{display:flex;align-items:center;gap:12px;color:#216f67;font-size:20px;font-weight:700}.loader{width:18px;height:18px;border:2px solid #b1d5c3;border-top-color:#216f67;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.privacy-notice{background:#f2f7f3;border-radius:10px;padding:10px 12px;font-size:12px;line-height:1.55;color:#4f685a}.modal .privacy-notice p{margin:0 0 5px;font-size:12px;font-weight:700;color:#315d51}.privacy-notice ul{margin:0;padding-left:18px}.privacy-notice li+li{margin-top:5px}@media(max-width:540px){#app{display:block;padding:0}.shell{width:100%;height:100dvh;min-height:0;border:0;border-radius:0;box-shadow:none}.topbar{padding-top:max(20px,env(safe-area-inset-top))}.chat-head{padding-top:max(18px,env(safe-area-inset-top))}}@media(max-height:700px){.home{padding-top:20px}.route-track i{height:74px}.hero-title{font-size:26px}.stations{margin-top:18px}.station-row{padding:10px 0}.hint-box,.home-actions{margin-top:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.composer-tools{display:flex;justify-content:flex-start;margin:0 0 8px}.topics-toggle{border:0;background:#edf5ef;color:#216f67;border-radius:20px;padding:7px 12px;font-size:12px;font-weight:650}.topics-panel{max-height:min(260px,38dvh);overflow-y:auto;overscroll-behavior:contain;margin-bottom:10px;padding:13px;background:#f4f8f5;border:1px solid #d9e7de;border-radius:14px}.topics-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#234a3d;font-size:14px}.topics-heading button{width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:#45695a;font-size:22px;line-height:1}.topics-panel p{margin:3px 0 10px;color:#647d70;font-size:11px;line-height:1.5}.topic-categories{display:flex;flex-wrap:wrap;gap:6px}.topic-categories button{min-height:36px;border:1px solid #cfe0d4;border-radius:20px;padding:6px 10px;background:#fff;color:#365d4e;font-size:12px}.topic-categories button[aria-pressed=true]{background:#216f67;border-color:#216f67;color:#fff}.topics-panel .topic-note{margin:9px 0 0}.topic-list{display:grid;gap:6px;margin-top:10px}.topic-list button{min-height:42px;padding:10px 12px;text-align:left;border:1px solid #dce9df;border-radius:10px;background:#fff;color:#26483a;font-size:13px;line-height:1.5}.picker{display:block;max-height:min(260px,38dvh);overflow-y:auto;overscroll-behavior:contain}.picker-tabs{display:flex;gap:8px}.picker .picker-tabs button{padding:7px 12px;border:1px solid #cfe0d4;border-radius:20px;color:#365d4e;font-size:12px}.picker .picker-tabs button[aria-pressed=true]{background:#216f67;border-color:#216f67;color:#fff}.picker p{margin:9px 0;color:#647d70;font-size:11px}.emoji-grid{display:flex;flex-wrap:wrap;gap:3px}.picker .emoji-pick{min-width:44px;min-height:44px;padding:4px;font-size:27px}.sticker-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.picker .sticker-choice{padding:3px;border:2px solid transparent;background:#fff;border-radius:12px}.picker .sticker-choice[aria-pressed=true]{border-color:#216f67}.sticker-choice img{display:block;width:100%;height:auto}.picker .sticker-send{display:block;width:100%;margin-top:8px;padding:9px;border:0;border-radius:9px;background:#216f67;color:#fff;font-size:13px}.picker .sticker-send:disabled{background:#d5e2d9;color:#6d8174}.sticker-image{display:block;width:120px;max-width:100%;height:auto}.preference-hint{margin:6px 0 0;color:#60776a;font-size:11px;line-height:1.5}.ui-language-switch{display:inline-flex;gap:2px;padding:3px;border:1px solid #d5e5da;background:#f2f7f3;border-radius:10px;flex-shrink:0}.ui-language-choice{min-height:36px;padding:6px 9px;border:0;border-radius:7px;background:transparent;color:#4f6d5d;font-size:12px;font-weight:650}.ui-language-choice[aria-pressed=true]{background:#216f67;color:#fff}.overflow-language{padding:5px 5px 8px;border-bottom:1px solid #e2ebe4;margin-bottom:4px}.modal .ui-language-switch{margin-bottom:12px}.picker .sticker-send{position:sticky;bottom:0}.picker-search{width:100%;min-height:42px;margin-top:10px;padding:8px 12px;border:1px solid #cfe0d4;border-radius:10px;background:#fff;color:#203c30;font-size:16px}.picker .picker-section-title{margin:10px 0 5px;color:#496759;font-size:12px;font-weight:650}.feedback-entry{display:flex;justify-content:center;margin-top:4px}.feedback-entry .menu-item{color:#315d51;justify-content:center}.modal .feedback-message{margin-top:8px;min-height:100px}.feedback-count{text-align:right;font-size:12px;color:#60776a;margin-top:5px}.modal .feedback-error{color:#a12e35}.modal-actions button:disabled{opacity:.55;cursor:wait}.report-messages{max-height:min(220px,30dvh);overflow-y:auto;overscroll-behavior:contain;border:1px solid #dce9df;border-radius:9px;padding:6px;font-size:12px;color:#60776a}.report-message{display:flex;align-items:flex-start;gap:9px;padding:8px 5px;color:#203d32;overflow-wrap:anywhere;cursor:pointer}.report-message+.report-message{border-top:1px solid #edf2ee}.report-message input{accent-color:#216f67;margin-top:3px}.report-message span{min-width:0}.report-message small{display:block;color:#60776a;margin-bottom:3px}.join-topic{margin-bottom:10px;padding:13px 14px;background:#fff;border:1px solid #dfe9e2;border-radius:12px}.join-topic .field-label{display:block;margin-bottom:7px}.join-topic .preference-hint{margin-bottom:0}.home-actions .btn:disabled{opacity:.55;cursor:default}.chat-head{display:flex;flex-direction:column;align-items:stretch;gap:10px;padding-bottom:12px}.chat-head-main{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.chat-head-identity{min-width:0}.chat-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.chat-topics>div{min-width:0;padding:8px 10px;background:#f1f7f2;border-radius:9px}.chat-topics span{display:block;color:#698274;font-size:10px}.chat-topics strong{display:block;margin-top:3px;color:#264b3b;font-size:12px;font-weight:650;line-height:1.35;overflow-wrap:anywhere}.chat-head-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.chat-head-actions button{display:flex;align-items:center;justify-content:center;gap:5px;min-height:38px;padding:6px 8px;border:1px solid #cfe0d4;border-radius:9px;background:#fff;color:#26695e;font-size:12px;font-weight:650}.chat-head-actions button svg{width:16px;height:16px;flex-shrink:0}.chat-head-actions button:disabled{color:#84988c;background:#f2f5f2;cursor:default}.chat-head .overflow{top:62px}
