.cw-root{position:fixed;right:18px;bottom:18px;z-index:50;font-family:Noto Sans TC,sans-serif}.cw-fab{width:56px;height:56px;border:0;border-radius:50%;background:linear-gradient(135deg,var(--accent, #b9763d),var(--accent-dark, #8f542d));color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 14px 30px #8f542d59;transition:transform .15s ease}.cw-fab:hover{transform:scale(1.06)}.cw-fab svg{width:24px;height:24px}.cw-fab .cw-fab-close,.cw-root.open .cw-fab .cw-fab-open{display:none}.cw-root.open .cw-fab .cw-fab-close{display:block}.cw-panel{display:none;position:absolute;right:0;bottom:70px;width:min(360px,calc(100vw - 30px));background:var(--surface, #fffdf8);border:1px solid rgba(185,118,61,.22);border-radius:14px;box-shadow:0 24px 60px #66482a47;overflow:hidden}.cw-root.open .cw-panel{display:flex;flex-direction:column}.cw-head{padding:14px 16px;background:linear-gradient(135deg,var(--accent, #b9763d),var(--accent-dark, #8f542d));color:#fff}.cw-head strong{display:block;font-family:"Noto Serif TC",serif;font-size:16px}.cw-head span{display:block;margin-top:2px;font-size:12px;opacity:.85}.cw-messages{height:300px;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--paper, #fbf6ee)}.cw-msg{max-width:86%;padding:9px 12px;border-radius:12px;font-size:13.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.cw-msg.bot{align-self:flex-start;background:var(--surface, #fffdf8);border:1px solid rgba(185,118,61,.18);color:var(--ink, #332820);border-bottom-left-radius:4px}.cw-msg.user{align-self:flex-end;background:#f4e2c7;color:var(--ink, #332820);border-bottom-right-radius:4px}.cw-msg a{color:var(--accent-dark, #8f542d);font-weight:700}.cw-typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px}.cw-typing i{width:6px;height:6px;border-radius:50%;background:var(--accent, #b9763d);animation:cwBlink 1.2s infinite}.cw-typing i:nth-child(2){animation-delay:.2s}.cw-typing i:nth-child(3){animation-delay:.4s}@keyframes cwBlink{0%,60%,to{opacity:.25}30%{opacity:1}}.cw-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px 10px;background:var(--paper, #fbf6ee)}.cw-chips:empty{display:none}.cw-chips button{border:1px solid rgba(185,118,61,.32);background:var(--surface, #fffdf8);color:var(--accent-dark, #8f542d);border-radius:999px;padding:6px 11px;font-size:12.5px;cursor:pointer}.cw-chips button:hover{background:#fdf3e3}.cw-inputbar{display:flex;gap:8px;padding:10px;border-top:1px solid rgba(185,118,61,.16);background:var(--surface, #fffdf8)}.cw-input{flex:1;border:1px solid rgba(185,118,61,.28);border-radius:9px;padding:9px 12px;font-size:14px;font-family:inherit;color:var(--ink, #332820);background:#fff}.cw-input:focus{outline:2px solid rgba(185,118,61,.35);outline-offset:1px}.cw-send{width:40px;border:0;border-radius:9px;background:linear-gradient(135deg,var(--accent, #b9763d),var(--accent-dark, #8f542d));color:#fff;display:grid;place-items:center;cursor:pointer}.cw-send:disabled{opacity:.5;cursor:default}.cw-send svg{width:17px;height:17px}@media(max-width:480px){.cw-root{right:12px;bottom:12px}.cw-messages{height:46vh}}.sh-topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;padding:10px clamp(20px,4vw,48px);background:#fffaf2f0;backdrop-filter:blur(18px);border-bottom:1px solid rgba(185,118,61,.16)}.sh-brand{display:flex;align-items:center;text-decoration:none;color:var(--ink, #332820);flex:none}.sh-brand strong{font-size:19px;letter-spacing:.01em}.sh-nav{display:flex;gap:clamp(14px,2.4vw,30px);margin:0 auto}.sh-nav a{color:var(--ink, #332820);text-decoration:none;font-size:14px;padding:6px 2px;border-bottom:2px solid transparent}.sh-nav a:hover{border-bottom-color:var(--accent, #b9763d);color:var(--accent-dark, #8f542d)}.sh-actions{display:flex;align-items:center;gap:8px;flex:none;min-width:0}.sh-lang-wrap{position:relative}.sh-lang-button{width:38px;height:38px;border:1px solid var(--line, rgba(185, 118, 61, .24));border-radius:8px;background:var(--surface, #fffdf8);color:var(--ink, #332820);display:grid;place-items:center;padding:0;cursor:pointer}.sh-lang-button svg{width:19px;height:19px}.sh-lang-button:hover{border-color:#b9763d66}.sh-lang-menu{display:none;position:absolute;right:0;top:calc(100% + 6px);min-width:120px;padding:6px;background:var(--surface, #fffdf8);border:1px solid var(--line, rgba(185, 118, 61, .24));border-radius:8px;box-shadow:0 14px 34px #66482a29;z-index:40}.sh-lang-menu.open{display:block}.sh-lang-menu button{display:block;width:100%;text-align:left;border:0;background:none;border-radius:6px;padding:8px 10px;font-size:14px;color:var(--ink, #332820);cursor:pointer}.sh-lang-menu button:hover{background:var(--paper, #fbf6ee)}.sh-lang-menu button.active{background:#f4e2c7;color:var(--accent-dark, #8f542d)}.sh-btn{border-radius:8px;border:1px solid transparent;height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;white-space:nowrap;text-decoration:none;font-size:14px;cursor:pointer}.sh-btn-solid{color:#fff;background:linear-gradient(135deg,var(--accent, #b9763d),var(--accent-dark, #8f542d));box-shadow:0 10px 22px #8f542d3d}.sh-btn-solid:hover{filter:brightness(1.05)}.sh-btn-ghost{color:var(--accent-dark, #8f542d);background:var(--surface, #fffdf8);border-color:#b9763d52}.sh-btn-ghost:hover{border-color:#b9763d8c;background:#fdf3e3}.sh-icon{width:16px;height:16px;flex:none}@media(max-width:1080px){.sh-nav{display:none}}@media(max-width:680px){.sh-topbar{flex-wrap:wrap;justify-content:center;row-gap:8px;padding-top:10px;padding-bottom:10px}.sh-actions{gap:6px;flex-wrap:wrap;justify-content:center}.sh-btn{height:36px;padding:0 11px;font-size:13px}.sh-lang-button{width:36px;height:36px}}@media(max-width:420px){.sh-icon{display:none}.sh-btn{padding:0 10px;font-size:12.5px}}