:root{--ink:#243332;--muted:#60706d;--pine:#183f3d;--jade:#4d766d;--mist:#edf2ed;--sand:#ded3c0;--paper:#fbfcf9;--line:#cbd5ce;--serif:"Noto Serif TC",serif;--sans:"Noto Sans TC",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7}.site-header{height:78px;padding:0 max(5vw,28px);display:flex;align-items:center;justify-content:space-between;background:rgba(251,252,249,.94);border-bottom:1px solid rgba(36,51,50,.08);position:sticky;z-index:10;top:0;backdrop-filter:blur(12px)}.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;color:var(--ink)}.brand-mark{font-family:var(--serif);font-size:29px;font-weight:900;letter-spacing:-2px}.brand-name{font-size:15px;font-weight:600;letter-spacing:3px}.site-header nav{display:flex;gap:32px}.site-header nav a,.header-cta,footer a{color:var(--ink);font-size:14px;text-decoration:none}.site-header nav a:hover,footer a:hover{color:var(--jade)}.header-cta{border-bottom:1px solid var(--ink);padding-bottom:2px}.hero{min-height:650px;background:var(--pine);color:#f7faf5;display:grid;grid-template-columns:minmax(300px,1.02fr) minmax(400px,.98fr);position:relative;overflow:hidden}.hero-copy{max-width:620px;padding:clamp(76px,11vw,145px) 8vw}.kicker,.section-label{color:var(--jade);font-weight:700;font-size:14px;letter-spacing:1.6px;margin:0 0 22px}.hero .kicker{color:#a7c5b6}.hero h1,h2{font-family:var(--serif);font-weight:700;letter-spacing:-.06em;line-height:1.22;margin:0}.hero h1{font-size:clamp(38px,5vw,68px)}.hero-text{max-width:445px;color:#d4e2db;margin:28px 0 34px}.hero-visual{background:linear-gradient(90deg,rgba(24,63,61,.08),rgba(24,63,61,.25)),url('https://images.unsplash.com/photo-1600210492486-724fe5c67fb0?auto=format&fit=crop&w=1100&q=84') center/cover}.hero-note{position:absolute;right:8vw;bottom:26px;color:#e5ebe6;font-size:14px;writing-mode:vertical-rl;letter-spacing:2px}.hero-actions{display:flex;align-items:center;gap:24px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;font:600 14px var(--sans);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s}.button-primary{background:#b5cbbb;color:var(--pine)}.button-primary:hover{background:#d2dfd1}.button-quiet{color:#fff;border-color:rgba(255,255,255,.42)}.button-quiet:hover{background:rgba(255,255,255,.1)}.intro,.section-shell{max-width:1180px;margin:auto;padding:110px max(5vw,28px)}.intro h2,.section-heading h2,.process h2,.admin h2{font-size:clamp(30px,4vw,51px)}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:10vw;margin-top:46px}.intro-grid>p{max-width:435px;margin:0;color:var(--muted)}.benefit-list{list-style:none;padding:0;margin:0}.benefit-list li{border-top:1px solid var(--line);padding:15px 0;color:var(--ink)}.benefit-list span{display:inline-block;width:48px;color:var(--jade);font:600 12px var(--sans)}.products{background:#eff3ee;max-width:none}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:48px}.section-heading>p{max-width:310px;margin:0;color:var(--muted);font-size:14px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{background:var(--paper);padding:28px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between;border-top:3px solid var(--jade)}.product-card h3{font-family:var(--serif);font-size:25px;margin:0 0 12px}.product-card p{font-size:14px;color:var(--muted);margin:0}.product-card .product-meta{padding-top:26px;color:var(--jade);font-size:13px}.projects{background:var(--sand)}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project-card{background:var(--paper);min-width:0}.project-image{display:block;width:100%;height:210px;object-fit:cover;background:#a6ada5}.project-info{padding:18px 19px 21px}.project-info h3{font:700 22px var(--serif);margin:0 0 4px}.project-info .project-type{margin:0;color:var(--jade);font-size:12px;font-weight:600}.project-info .project-description{color:var(--muted);font-size:13px;margin:13px 0 0}.process{padding-bottom:126px}.process h2{max-width:610px}.process-list{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;margin:58px 0 0;padding:0;border-top:1px solid var(--line)}.process-list li{padding:20px 22px 0 0;min-height:125px;border-right:1px solid var(--line)}.process-list li+li{padding-left:22px}.process-list strong{display:block;font:700 19px var(--serif);margin-bottom:9px}.process-list span{display:block;color:var(--muted);font-size:13px;line-height:1.6}.contact{background:var(--pine);color:#fff;padding:80px max(5vw,28px);display:flex;align-items:center;justify-content:space-between;gap:30px}.contact h2{font-size:clamp(31px,4vw,51px)}.contact .section-label{color:#a7c5b6}.button-light{background:#fff;color:var(--pine);white-space:nowrap}.admin{padding-top:90px;padding-bottom:90px}.admin-heading{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding-bottom:28px}.text-button{background:none;border:0;border-bottom:1px solid currentColor;padding:4px 0;color:var(--pine);font:600 14px var(--sans);cursor:pointer}.admin-panel{padding-top:30px}.admin-intro{max-width:680px;color:var(--muted);font-size:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.form-wide{grid-column:1/-1}label{font-size:14px;font-weight:600;color:var(--ink)}input,textarea{display:block;width:100%;margin-top:7px;padding:11px 12px;border:1px solid var(--line);background:#fff;color:var(--ink);font:15px var(--sans);outline:none}input:focus,textarea:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(77,118,109,.14)}textarea{min-height:92px;resize:vertical}.upload-field span{display:block;margin-top:8px;color:var(--muted);font-weight:400;font-size:12px}.form-actions{display:flex;align-items:center;gap:22px;margin-top:26px}.danger{color:#8d4438}.form-message{min-height:25px;color:var(--jade);font-size:14px;margin:18px 0 0}.form-message.error{color:#9d362a}footer{display:flex;justify-content:space-between;padding:22px max(5vw,28px);border-top:1px solid var(--line);font-size:12px;color:var(--muted)}@media(max-width:760px){.site-header{height:64px}.site-header nav{display:none}.hero{display:block;min-height:0}.hero-copy{padding:76px 28px 65px}.hero-visual{height:300px}.hero-note{display:none}.intro,.section-shell{padding:72px 28px}.intro-grid,.section-heading,.contact{display:block}.intro-grid{margin-top:30px}.benefit-list{margin-top:30px}.section-heading>p{margin-top:16px}.product-grid,.project-grid{grid-template-columns:1fr}.project-image{height:240px}.process-list{grid-template-columns:1fr 1fr}.process-list li{border-bottom:1px solid var(--line);min-height:120px}.process-list li:nth-child(2){border-right:0}.process-list li:nth-child(3){padding-left:0}.contact{padding:65px 28px}.contact .button{margin-top:30px}.form-grid{grid-template-columns:1fr}.form-wide{grid-column:auto}.admin-heading{align-items:center}.form-actions{align-items:flex-start;flex-direction:column;gap:16px}}

/* 案場照片集 */
.project-card{border:0;padding:0;text-align:left;font:inherit;cursor:pointer;overflow:hidden}.project-card:focus-visible{outline:3px solid var(--pine);outline-offset:3px}.project-card .project-info{display:block}.project-info strong{display:block;font:700 22px var(--serif);margin:0 0 4px}.project-info .project-type,.project-info .project-description{display:block}.gallery-link{display:block;margin-top:16px;color:var(--pine);font-size:12px;font-weight:700}.project-card:hover .gallery-link{text-decoration:underline}.gallery-dialog{width:min(1100px,calc(100vw - 32px));max-height:calc(100vh - 32px);border:0;padding:28px;background:var(--paper);color:var(--ink);box-shadow:0 18px 60px rgba(0,0,0,.28)}.gallery-dialog::backdrop{background:rgba(16,35,33,.72)}.gallery-topbar{display:flex;justify-content:space-between;gap:24px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:20px}.gallery-topbar .section-label{margin-bottom:7px}.gallery-topbar h2{font-size:clamp(26px,3vw,40px)}.gallery-close{border:0;background:transparent;color:var(--pine);cursor:pointer;font-size:38px;line-height:1;padding:0 4px}.gallery-description{max-width:640px;color:var(--muted);margin:18px 0 24px}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.gallery-grid img{display:block;width:100%;aspect-ratio:1.22;object-fit:cover;background:var(--mist)}@media(max-width:760px){.gallery-dialog{padding:20px;max-height:calc(100vh - 20px)}.gallery-grid{grid-template-columns:1fr}.gallery-grid img{aspect-ratio:1.35}}

/* 已上傳案例管理 */
.project-manager{margin-top:52px;padding-top:28px;border-top:1px solid var(--line)}.manager-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:22px}.manager-heading h3{margin:0;font:700 24px var(--serif)}.manager-heading p{margin:0;color:var(--muted);font-size:13px}.managed-project{padding:20px 0;border-top:1px solid var(--line)}.managed-project-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.managed-project-title strong{font:700 19px var(--serif)}.managed-project-title span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.managed-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.managed-photo{background:var(--mist)}.managed-photo img{display:block;width:100%;aspect-ratio:1.35;object-fit:cover}.managed-photo>div{display:flex;gap:17px;padding:11px 12px}.managed-photo .text-button{font-size:12px}@media(max-width:760px){.manager-heading,.managed-project-title{align-items:start;flex-direction:column;gap:8px}.managed-photo-grid{grid-template-columns:1fr}}

/* 淺橘色主視覺與諮詢區 */
.hero{background:#f3c7a8;color:var(--ink)}.hero .kicker{color:var(--jade)}.hero-text{color:#4e5e5a}.button-quiet{color:var(--ink);border-color:rgba(36,51,50,.5)}.button-quiet:hover{background:rgba(255,255,255,.32)}.contact{background:#f3c7a8;color:var(--ink)}.contact .section-label{color:var(--jade)}.contact .button-light{background:var(--pine);color:#fff}.contact .button-light:hover{background:#28534f}

.contact .button-light{background:#f8d9c3;color:var(--pine);border-color:#d89b76}.contact .button-light:hover{background:#ffe6d3}

.hero .button-primary{background:#f8d9c3;color:var(--pine);border-color:#d89b76}.hero .button-primary:hover{background:#ffe6d3}

.hero .button-primary{background:transparent;color:var(--ink);border-color:rgba(36,51,50,.5)}.hero .button-primary:hover{background:rgba(255,255,255,.32)}

.product-grid{grid-template-columns:repeat(2,1fr)}@media(max-width:760px){.product-grid{grid-template-columns:1fr}}

.process h2{max-width:none;white-space:nowrap}@media(max-width:760px){.process h2{white-space:normal}}

.project-card{display:block;width:100%;appearance:none;-webkit-appearance:none}.project-card .project-image{margin:0;width:100%;max-width:none}

.project-card{padding:0!important;border:0!important;line-height:0}.project-card .project-info{line-height:1.7}

[hidden]{display:none!important}.managed-project-actions{display:flex;align-items:center;gap:18px}.add-image-confirm{display:flex;align-items:center;gap:18px;margin-top:22px;padding:16px;background:var(--mist);color:var(--ink);font-size:14px}.add-image-confirm .button{min-height:42px}@media(max-width:760px){.managed-project-actions,.add-image-confirm{align-items:flex-start;flex-wrap:wrap}}

.project-card{height:100%;display:flex;flex-direction:column}.project-card .project-info{flex:1;display:flex;flex-direction:column}.project-card .gallery-link{margin-top:auto;padding-top:16px}

.gallery-grid img{border-radius:12px}

.gallery-grid img{cursor:zoom-in}.image-lightbox{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:48px;background:rgba(14,31,30,.82)}.image-lightbox img{display:block;max-width:min(1100px,calc(100vw - 64px));max-height:calc(100vh - 96px);width:auto;height:auto;object-fit:contain;border-radius:14px;box-shadow:0 18px 60px rgba(0,0,0,.38)}.lightbox-close{position:absolute;top:18px;right:24px;border:0;background:transparent;color:#fff;font-size:38px;line-height:1;cursor:pointer}@media(max-width:760px){.image-lightbox{padding:28px 16px}.image-lightbox img{max-width:calc(100vw - 32px);max-height:calc(100vh - 56px)}.lightbox-close{top:10px;right:13px}}
#image-lightbox .lightbox-photo{position:relative;flex:0 1 auto;max-width:100%;line-height:0}
#image-lightbox .lightbox-close{top:8px;right:8px;z-index:1;display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border-radius:50%;background:rgba(14,31,30,.65);color:#fff;font-size:32px;line-height:1}
#image-lightbox .lightbox-close:hover{background:rgba(14,31,30,.9)}
#image-lightbox .lightbox-close:focus-visible{outline:2px solid #fff;outline-offset:3px}

.product-image{display:block;width:100%;height:150px;object-fit:cover;object-position:center;margin-top:22px;border-radius:10px}

.product-image-contain{height:200px;object-fit:contain;background:#edf2ed}
#products .product-image-notes{margin:18px 0 0;padding-left:1.3em;color:var(--muted);font-size:14px;line-height:1.85}#products .product-image-notes li+li{margin-top:5px}

.gallery-actions{display:flex;justify-content:center;padding-top:28px}.gallery-back{background:var(--pine);color:#fff;border-color:var(--pine)}.gallery-back:hover{background:#28534f}

.process-list li{display:flex;flex-direction:column}.process-image{display:block;width:100%;height:138px;object-fit:fill;border-radius:0;margin-top:auto;padding-top:20px;box-sizing:content-box}@media(max-width:760px){.process-list li{padding-bottom:18px}.process-image{height:138px;padding-top:16px}}

.contact-details{display:flex;align-items:flex-start;flex-direction:column;gap:7px;margin:0;font-style:normal;font-size:14px;line-height:1.55}.contact-details p{margin:0;white-space:nowrap}.contact-details span{display:inline-block;margin-right:8px;color:var(--jade);font-weight:700}.contact-details a{color:var(--ink);text-decoration:none;border-bottom:1px solid currentColor}.contact-details a:hover{color:var(--pine)}@media(max-width:760px){.contact-details{gap:10px;margin-top:30px;font-size:14px}.contact-details p{white-space:normal}}

.hero-note{right:calc(8vw + 32px)}

.benefit-list li{display:grid;grid-template-columns:48px 80px minmax(0,1fr);align-items:center;gap:12px;min-height:84px}.benefit-list span{width:auto}.benefit-list strong{font-weight:400}.benefit-image{display:block;width:80px;height:58px;object-fit:cover;border-radius:8px}@media(max-width:760px){.benefit-list li{grid-template-columns:48px 76px minmax(0,1fr);gap:10px;min-height:78px}.benefit-image{width:76px;height:56px}}

.business-hours{font-size:14px;line-height:1.65}.business-hours p{margin:0 0 8px}.business-hours-title{color:var(--jade);font-weight:700}@media(max-width:760px){.business-hours{margin-top:28px;font-size:14px}}
.about-m7 .intro-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(36px,7vw,92px)}.about-copy{max-width:430px}.about-copy p{margin:0;color:var(--muted)}.about-copy .about-lead{color:var(--ink);font-size:18px;line-height:1.8;margin-bottom:22px}.about-link{display:inline-block;margin-top:28px;padding-bottom:3px;border-bottom:1px solid currentColor;color:var(--pine);font-size:14px;font-weight:700;text-decoration:none}.about-link:hover{color:var(--jade)}.about-visuals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}.about-visuals figure{margin:0}.about-visuals img{display:block;width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff}.about-visuals figcaption{margin-top:11px;color:var(--muted);font-size:13px;line-height:1.65}@media(max-width:760px){.about-m7 .intro-grid{display:block}.about-visuals{margin-top:38px;gap:24px}.about-copy .about-lead{font-size:17px}.about-visuals figcaption{font-size:12px}}

.contact-extra{display:flex;align-items:flex-start;gap:18px}.social-buttons{display:flex;gap:8px;padding-top:2px}.social-button{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--pine);background:transparent;color:var(--pine);font:700 12px var(--sans);line-height:1;text-decoration:none;cursor:pointer}.social-button:hover{background:var(--pine);color:#fff}.social-button:disabled{opacity:.45;cursor:not-allowed}.social-line{font-size:9px}@media(max-width:760px){.contact-extra{align-items:flex-start;flex-direction:column;gap:4px}.social-buttons{padding-top:0}}
.social-buttons{flex:0 0 auto;flex-direction:column;align-items:center;gap:10px;padding-top:0;position:static}.social-button{width:36px;height:36px;border:0;background:transparent}.social-button img{display:block;width:29px;height:29px;object-fit:contain}.social-button svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.social-mail{border:1px solid var(--pine);border-radius:50%}.social-button:hover{background:transparent;color:var(--jade)}.social-mail:hover{background:var(--pine);color:#fff}@media(max-width:760px){.social-buttons{flex-direction:row;align-items:center;gap:12px;margin-top:12px}}
.social-buttons{position:fixed;top:50%;right:clamp(14px,2vw,30px);z-index:20;transform:translateY(-50%);gap:14px;margin:0;padding:12px 8px;border:1px solid rgba(36,51,50,.12);background:rgba(251,252,249,.88);box-shadow:0 8px 24px rgba(24,63,61,.12);backdrop-filter:blur(8px)}.social-button{width:48px;height:48px}.social-button img{width:38px;height:38px}.social-button svg{width:29px;height:29px}.social-mail{border-width:1.5px}.social-button:focus-visible{outline:3px solid #fff;outline-offset:3px}@media(max-width:760px){.social-buttons{top:auto;right:12px;bottom:18px;transform:none;flex-direction:column;gap:10px;padding:9px 6px}.social-button{width:42px;height:42px}.social-button img{width:34px;height:34px}.social-button svg{width:26px;height:26px}}

.managed-photo .text-button:disabled{opacity:.4;cursor:not-allowed;border-bottom-color:transparent}

/* 產品區標題旁的說明：桌面版左右對齊，手機版保留自然字距。 */
@media(min-width:761px){.products .section-heading>p{max-width:410px;white-space:nowrap;text-align:right}}
@media(min-width:761px){.contact-details,.contact-extra{align-self:flex-start}}
.social-buttons{padding:0;border:0;background:transparent;box-shadow:none;backdrop-filter:none}@media(max-width:760px){.social-buttons{padding:0}}
.contact-details a{border-bottom:0}
.about-visuals .about-installation-scene{height:150px;margin-top:16px;aspect-ratio:auto;object-fit:cover;object-position:center}@media(max-width:760px){.about-visuals .about-installation-scene{height:138px;margin-top:14px}}
.about-visuals{grid-template-columns:minmax(0,1fr)}.about-visuals .about-installation-scene{height:auto;margin-top:0;aspect-ratio:16/9}@media(max-width:760px){.about-visuals .about-installation-scene{height:auto;margin-top:0}}
.about-visuals{grid-template-columns:minmax(0,1fr);gap:24px}
.about-m7 .intro-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.about-visuals .about-installation-scene{border-radius:12px}
.managed-photo[draggable="true"]{cursor:grab;transition:opacity .18s ease,outline-color .18s ease,transform .18s ease}.managed-photo[draggable="true"]:active{cursor:grabbing}.managed-photo.is-dragging{opacity:.45}.managed-photo.is-drag-over{outline:3px dashed var(--jade);outline-offset:3px}
@media(min-width:761px){.about-m7 .intro-grid{grid-template-columns:minmax(0,.76fr) minmax(0,1.24fr);gap:clamp(32px,4vw,56px)}}
.managed-project-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px}.managed-project-edit{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:18px;margin:0 0 18px;background:var(--mist);border:1px solid var(--line)}.managed-project-edit label{display:grid;gap:7px;color:var(--ink);font-size:13px;font-weight:700}.managed-project-edit input,.managed-project-edit textarea{width:100%;border:1px solid var(--line);padding:10px 11px;background:var(--paper);color:var(--ink);font:400 15px var(--sans)}.managed-project-edit textarea{min-height:88px;resize:vertical}.managed-project-edit-description,.managed-project-edit-actions{grid-column:1/-1}.managed-project-edit-actions{display:flex;align-items:center;gap:16px}@media(max-width:760px){.managed-project-actions{justify-content:flex-start}.managed-project-edit{grid-template-columns:1fr}.managed-project-edit-description,.managed-project-edit-actions{grid-column:auto}}
.project-manager-picker{display:grid;gap:8px;min-width:290px;color:var(--ink);font-size:14px;font-weight:700}.project-manager-picker select{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--paper);color:var(--ink);font:400 14px var(--sans)}.project-manager-picker select:focus-visible{outline:3px solid var(--pine);outline-offset:2px}@media(max-width:760px){.project-manager-picker{width:100%;min-width:0}}
.managed-photo{position:static}.managed-photo-actions{align-items:center}.managed-photo-order{color:var(--muted);font-size:12px;font-weight:700;line-height:1;white-space:nowrap}
.managed-project-summary{display:flex;align-items:center;gap:20px}.managed-project-summary .text-button{font-size:13px}@media(max-width:760px){.managed-project-summary{align-items:flex-start;flex-direction:column;gap:8px}}
.button{border-radius:8px}
.managed-project-summary .text-button,.managed-project-actions .text-button{border:0;background:#b5cbbb;color:var(--pine);padding:9px 13px;border-radius:8px}.managed-project-summary .text-button:hover,.managed-project-actions .text-button:hover{background:#d2dfd1}.admin-login{max-width:720px;min-height:calc(100vh - 148px);padding-top:clamp(88px,14vh,150px)}.admin-login h1{font-family:var(--serif);font-size:clamp(36px,5vw,56px);line-height:1.2;margin:0}.admin-login>p:not(.section-label){max-width:500px;color:var(--muted)}.admin-login-form{display:grid;gap:18px;max-width:420px;margin-top:34px}.admin-login-note{font-size:13px;line-height:1.8}.admin-page .admin{padding-top:78px}@media(max-width:760px){.admin-login{min-height:calc(100vh - 128px)}.admin-page .admin{padding-top:62px}}
.managed-project-summary .text-button,.managed-project-actions .text-button{padding:10px 14px;border:0;border-radius:8px;background:#b5cbbb;color:var(--pine);font-weight:700;line-height:1.2}.managed-project-summary .text-button:hover,.managed-project-actions .text-button:hover{background:#d2dfd1;color:var(--pine)}.managed-project-summary .text-button.danger,.managed-project-actions .text-button.danger{color:var(--pine);border-bottom:0}

/* 案例管理標題使用較小字級，不影響新增案例的主標題。 */
.admin-page #project-manager .manager-heading h2{font-size:clamp(20px,2.2vw,24px);line-height:1.5;letter-spacing:0}
.emf-answer{max-width:920px}.emf-guide{margin:24px 0;padding:24px;background:var(--mist)}.emf-guide-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.emf-guide-step svg{display:block;width:90px;height:72px;fill:none;stroke:var(--jade);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px}.emf-guide-step h3{font:700 18px var(--sans);color:var(--pine);margin:0 0 8px}.emf-guide-step>strong{display:block;font:700 26px var(--sans);color:var(--pine)}.emf-guide-step p{font-size:14px}.emf-guide figcaption{font-size:12px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:22px}.emf-unit-note{border-left:3px solid var(--jade);padding:8px 0 8px 18px;margin:22px 0}.emf-unit-note>strong{color:var(--pine)}.emf-answer .emf-sources{font-size:12px;margin-top:20px}.emf-sources a{color:var(--pine)}@media(max-width:760px){.emf-guide{padding:20px}.emf-guide-steps{grid-template-columns:1fr;gap:24px}.emf-guide-step+ .emf-guide-step{border-top:1px solid var(--line);padding-top:24px}.emf-guide-step svg{width:75px;height:60px}}
.project-pagination{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:18px;margin-top:36px}.project-pagination[hidden]{display:none}.project-pagination button{border:0;border-radius:8px;background:#b5cbbb;color:var(--pine);padding:11px 18px;font:600 14px var(--sans);cursor:pointer}.project-pagination button:hover:not(:disabled){background:#d2dfd1}.project-pagination button:disabled{opacity:.45;cursor:default}.project-pagination button:focus-visible{outline:3px solid var(--pine);outline-offset:3px}.project-pagination span{font-size:14px;color:var(--ink)}#projects{scroll-margin-top:140px}@media(max-width:760px){.project-pagination{gap:12px}.project-pagination button{padding:10px 14px}.project-pagination span{font-size:12px}}

/* 地暖閱讀與試算延續既有配色；窄螢幕導覽另列顯示。 */
.site-header nav{gap:clamp(12px,1.7vw,26px)}.site-header nav a{white-space:nowrap}
.learning-section h2{font-size:clamp(28px,3.6vw,44px)}.learning-section{scroll-margin-top:100px}.faq-list{margin-top:36px;border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list summary{cursor:pointer;color:var(--pine);font-weight:600}.faq-list p{max-width:760px;color:var(--muted);margin:14px 0 0}.faq-list summary:focus-visible{outline:2px solid var(--pine);outline-offset:5px}.heating-tips{background:var(--mist)}.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:36px}.tips-grid h3{font:700 22px var(--serif);color:var(--pine);margin:0 0 12px}.tips-grid p{color:var(--muted);margin:0}.learning-source{font-size:12px;color:var(--muted);margin:30px 0 0}.learning-source a{color:var(--pine)}.calculator-intro{max-width:680px;color:var(--muted);margin-top:22px}.calculator-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;margin-top:30px}.calculator-layout .form-grid{margin-top:0}.field-note{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:7px}.calculator-result{background:var(--mist);padding:32px;align-self:start;border-top:3px solid var(--jade)}.calculator-result>p:first-child{margin:0 0 12px;color:var(--pine);font-weight:600}.calculator-result output{display:block;font:700 clamp(28px,3vw,40px) var(--sans);color:var(--pine)}.calculator-result p{color:var(--muted)}.calculator-note{font-size:13px;line-height:1.8;border-top:1px solid var(--line);padding-top:20px;margin-top:24px}
@media(max-width:1100px){body:not(.admin-page) .site-header{height:auto;min-height:78px;flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px}body:not(.admin-page) .site-header nav{display:flex;order:3;width:100%;overflow-x:auto;gap:22px;padding-bottom:4px}body:not(.admin-page) .site-header .header-cta{margin-left:auto}.learning-section{scroll-margin-top:135px}}
@media(max-width:760px){.tips-grid,.calculator-layout{grid-template-columns:1fr;gap:26px}.calculator-result{padding:24px}.learning-section{scroll-margin-top:125px}body:not(.admin-page) .site-header nav a{font-size:13px}}

/* 試算表單加寬，優先留空間給使用時間的說明；手機保留單欄。 */
@media(min-width:761px){.calculator-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px}.calculator-layout .form-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start}.calculator-result{padding:24px}.calculator-result output{font-size:clamp(26px,2.6vw,32px);overflow-wrap:anywhere}}
/* 問答題號與主題分欄對齊，圖示沿用各題內容的線條插圖。 */
.faq-list summary{display:grid;grid-template-columns:36px 44px minmax(0,1fr) 22px;align-items:center;gap:12px;list-style:none;line-height:1.6;min-height:36px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:24px;font-weight:400;text-align:center;color:var(--jade)}
.faq-list details[open]>summary::after{content:"−"}
.faq-topic-icon{display:block;width:36px;height:36px;fill:none;stroke:var(--jade);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.faq-question-number{white-space:nowrap;font-variant-numeric:tabular-nums}
.faq-question-title{min-width:0}
#faq .emf-guide-step h3{line-height:1.5}
.site-header nav a[href="#faq"]{letter-spacing:normal}
@media(min-width:761px){.faq-list p,.faq-list figcaption{text-align:justify;text-justify:inter-ideograph;text-align-last:left}#faq .emf-guide-step h3{min-height:3em}}
@media(max-width:760px){.faq-list summary{grid-template-columns:28px 38px minmax(0,1fr) 18px;gap:8px}.faq-topic-icon{width:28px;height:28px}.faq-list p,.faq-list figcaption{text-align:left}}
/* 地暖小常識：以來源可查的短文配合主題線條圖示。 */
.tips-intro{max-width:680px;color:var(--muted);margin:22px 0 0}
#heating-tips .tips-grid{gap:36px 32px}
.heating-tip{display:flex;flex-direction:column;align-items:flex-start;border-top:1px solid var(--line);padding-top:24px;min-width:0}
.tip-icon{display:block;width:80px;height:64px;fill:none;stroke:var(--jade);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;margin-bottom:20px}
#heating-tips .heating-tip h3{font:700 20px/1.5 var(--sans);letter-spacing:0;min-height:3em;margin:0 0 12px}
.heating-tip p{font-size:15px;line-height:1.9}
.tip-source{color:var(--jade);font-size:12px;line-height:1.8;margin-top:auto;padding-top:18px;text-underline-offset:3px}
.tip-source:focus-visible{outline:2px solid var(--pine);outline-offset:4px}
@media(min-width:761px){.heating-tip p{text-align:justify;text-justify:inter-ideograph;text-align-last:left}}
@media(min-width:761px) and (max-width:1000px){#heating-tips .tips-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){#heating-tips .tips-grid{gap:28px}#heating-tips .heating-tip h3{min-height:0}.tip-icon{width:70px;height:56px;margin-bottom:14px}}
/* 三種地暖比較：保留既有品牌色，以原理圖與逐項比較協助選型。 */
.heating-comparison{scroll-margin-top:145px}
.heating-comparison h2{font-size:clamp(28px,3.6vw,44px)}
.comparison-intro{max-width:720px;color:var(--muted);margin:24px 0 0}
.comparison-entry{display:inline-block;color:var(--pine);font-size:14px;font-weight:600;text-underline-offset:5px;margin-top:22px}
.comparison-entry:focus-visible,.comparison-table-wrap:focus-visible{outline:2px solid var(--pine);outline-offset:5px}
.system-overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:42px}
.system-summary{display:flex;flex-direction:column;min-width:0;border-top:2px solid var(--jade);padding-top:24px}
.system-diagram{display:block;width:100%;max-width:280px;height:auto;fill:none;stroke:var(--jade);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 24px}
.diagram-floor{fill:var(--mist)}.diagram-base{fill:var(--sand);stroke:var(--line)}.diagram-heater,.diagram-heat{stroke:var(--jade)}.diagram-film{fill:var(--mist)}.diagram-water{stroke:var(--pine);stroke-width:4}
.system-summary h3{font:700 24px var(--serif);color:var(--pine);margin:0 0 10px}
.system-summary p{color:var(--muted);font-size:14px;line-height:1.9;margin:14px 0 0}
.system-summary .system-principle{font-weight:600;color:var(--pine);margin:0}
.system-summary>p:not(.system-principle):not(.system-focus){margin-bottom:18px}
.system-summary .system-focus{font-size:13px;border-top:1px solid var(--line);padding-top:14px;margin-top:auto}
@media(min-width:761px){.system-summary .system-focus{min-height:calc(3.8em + 15px)}}
.comparison-scope{font-size:12px;color:var(--muted);line-height:1.9;margin:28px 0}
.comparison-table-wrap{max-width:100%;overflow-x:auto;margin-top:32px}
.system-table{width:100%;min-width:800px;border-collapse:collapse;table-layout:fixed;color:var(--ink);font-size:14px;line-height:1.8}
.system-table caption{text-align:left;font:700 22px var(--serif);color:var(--pine);padding-bottom:20px}
.system-table th,.system-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:18px}
.system-table thead th{background:var(--pine);color:var(--paper);font-size:17px}
.system-table thead th:first-child{width:16%}.system-table thead span{display:block;font-size:12px;font-weight:400}
.system-table tbody th{background:var(--mist);color:var(--pine);font-weight:600}
.system-table tbody tr:nth-child(even) td{background:rgba(237,242,237,.45)}
.comparison-scroll-note{display:none;color:var(--muted);font-size:12px;margin:12px 0 0}
.comparison-decision{background:var(--mist);padding:28px;margin-top:36px;border-left:3px solid var(--jade)}
.comparison-decision h3{margin:0 0 14px;font:700 22px var(--serif);color:var(--pine)}
.comparison-decision p{color:var(--muted);max-width:760px;margin:0;font-size:14px;line-height:1.9}
.comparison-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:22px}.comparison-actions .comparison-entry{margin-top:0}
.comparison-decision .comparison-cost-note{font-size:12px;margin-top:18px}
.comparison-callout{margin-top:28px;padding:20px 24px;border-left:3px solid var(--jade);background:var(--mist)}
.comparison-callout strong{font-size:18px;color:var(--pine)}.comparison-callout p{font-size:14px;color:var(--muted);max-width:760px;margin:8px 0 0}.comparison-callout .comparison-entry{margin-top:12px}
#heating-tips .comparison-callout{background:var(--paper)}
@media(max-width:1000px){.comparison-scroll-note{display:block}}
@media(max-width:760px){.system-overview{grid-template-columns:1fr;gap:28px}.system-diagram{max-width:250px;margin-bottom:18px}.system-table{min-width:760px;font-size:13px}.system-table th,.system-table td{padding:14px}.comparison-decision,.comparison-callout{padding:20px}.comparison-actions{align-items:flex-start;flex-direction:column}}
/* 案場入口貼齊固定導覽下方，保留標題到第一排卡片的閱讀間距。 */
#projects{scroll-margin-top:var(--site-header-height,140px)}
#projects>.section-shell{padding-top:40px}
@media(max-width:760px){#projects>.section-shell{padding-top:28px}}
/* 產品區的系統比較入口：文字引導與三種發熱構造圖文並列。 */
.system-comparison-entry{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:center;gap:32px;margin-top:32px;padding:28px 32px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--jade);color:var(--pine);text-decoration:none}
.comparison-entry-copy{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-width:0}
.comparison-entry-copy>strong{font:700 clamp(20px,2vw,25px)/1.5 var(--serif)}
.comparison-entry-copy>span:not(.comparison-entry-action){font-size:14px;line-height:1.8;color:var(--muted)}
.comparison-entry-action{display:inline-block;font-size:14px;font-weight:700;border-bottom:1px solid currentColor;padding-bottom:3px;margin-top:4px}
.comparison-entry-visuals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.comparison-entry-system{display:flex;flex-direction:column;align-items:center;gap:12px;min-width:0;text-align:center;font-size:14px;font-weight:600}
.comparison-entry-system svg{display:block;width:100%;max-width:100px;height:auto;fill:none;stroke:var(--jade);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.system-comparison-entry:hover{border-color:var(--jade)}
.system-comparison-entry:focus-visible{outline:3px solid var(--pine);outline-offset:4px}
@media(max-width:760px){.system-comparison-entry{grid-template-columns:1fr;gap:24px;padding:24px 20px}.comparison-entry-visuals{gap:12px}.comparison-entry-system{font-size:13px}.comparison-entry-system svg{max-width:88px}}
.about-copy p:not(.about-lead)+p{margin-top:20px}
/* 首頁所有導覽入口：固定選單下方至區塊內容統一保留 30px。 */
body:not(.admin-page) main>section[id]{padding-top:30px}
body:not(.admin-page) :is(#about,#products,#heating-comparison,#projects,#process,#faq,#heating-tips,#electricity-calculator,#contact){scroll-margin-top:var(--site-header-height,140px)}
body:not(.admin-page) :is(#projects,#heating-tips){padding-top:0}
body:not(.admin-page) :is(#projects,#heating-tips)>.section-shell{padding-top:30px}
/* 兩張產品照片使用一致的 4:3 畫面，填滿圖片區而不留下左右色塊。 */
#products .product-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;object-position:center;margin-top:24px;border-radius:12px;background:var(--mist)}
#products .product-media-with-notes{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;align-items:start;margin-top:24px}#products .product-media-with-notes .product-image-notes{margin:0;min-width:0;line-height:1.55;overflow-wrap:anywhere}#products .product-media-with-notes .product-image{width:100%;max-width:none;margin:0;height:auto;min-width:0}#products .product-media-with-notes .product-image-notes li+li{margin-top:8px}@media(max-width:480px){#products .product-media-with-notes .product-image-notes li+li{margin-top:6px}}
#gallery-back{min-height:36px;padding:7px 16px;font-size:13px;font-weight:500;line-height:1.5;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--pine)}
#gallery-back:hover{background:var(--mist);border-color:var(--jade)}
#gallery-back:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
@media(pointer:coarse){#gallery-back{min-height:44px}}
/* 首頁導覽以輕巧按鈕呈現，保留原本的連結與手機橫向滑動。 */
body:not(.admin-page) .site-header nav{gap:12px;align-items:center}
body:not(.admin-page) .site-header nav a{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:38px;padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:var(--mist);color:var(--pine);font-weight:500;line-height:1.5;letter-spacing:.05em}
body:not(.admin-page) .site-header nav a:hover{background:#d2dfd1;border-color:var(--jade)}
body:not(.admin-page) .site-header nav a:focus-visible{outline:2px solid var(--pine);outline-offset:3px}
body:not(.admin-page) .site-header nav a:active{background:#b5cbbb}
@media(max-width:760px){body:not(.admin-page) .site-header nav{gap:10px}}
@media(pointer:coarse){body:not(.admin-page) .site-header nav a{min-height:44px}}