/* 沐陽裝修室內設計有限公司｜共用樣式（方案 B：雜誌編輯風） */
@font-face{font-family:"MY Serif";font-weight:500;font-style:normal;font-display:swap;src:url("../fonts/serif-500.woff") format("woff")}
@font-face{font-family:"MY Serif";font-weight:600;font-style:normal;font-display:swap;src:url("../fonts/serif-600.woff") format("woff")}
@font-face{font-family:"MY Sans";font-weight:400;font-style:normal;font-display:swap;src:url("../fonts/sans-400.woff") format("woff")}

:root{
 --paper:#f7f3ed; --bg:#ece6dd; --ink:#3a3530; --sand:#cdc1b5;
 --wood:#7a5f43;      /* 文字用木色（對比 5.3:1） */
 --muted:#6f665d;     /* 次要文字（對比 5.1:1） */
 --soft:#5b534b;
 --line:#cfc5b8;
 --serif:"MY Serif","Noto Serif TC","Noto Serif CJK TC","Songti TC","PMingLiU",serif;
 --sans:"MY Sans","Noto Sans TC","PingFang TC","Microsoft JhengHei","Noto Sans CJK TC",sans-serif;
 --header-h:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;text-size-adjust:100%}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--wood);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 18px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- 頁首 ---- */
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(8px);border-bottom:1px solid #ded5c8}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand img{height:40px;width:auto}
.nav ul{display:flex;gap:30px;font-size:14px;letter-spacing:.14em}
.nav a{padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-color:var(--wood)}
.cta{border:1px solid var(--ink);padding:9px 22px;font-size:14px;letter-spacing:.16em;transition:.25s}
.cta:hover{background:var(--ink);color:#fff}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:24px;height:1.5px;background:var(--ink);margin:6px auto;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---- 首頁主視覺 ---- */
.hero{display:grid;grid-template-columns:max(41.667%,calc((100vw - 1280px)/2 + 600px)) 1fr;min-height:calc(100vh - var(--header-h))}
.hero-txt{display:flex;flex-direction:column;justify-content:space-between;padding:64px 48px 48px max(32px,calc((100vw - 1280px)/2 + 32px))}
.tag{font-family:var(--serif);font-size:13px;letter-spacing:.4em;color:var(--wood)}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(30px,3.6vw,52px);line-height:1.45;letter-spacing:.04em;margin:24px 0}
.hero h1 .ln{display:block;white-space:nowrap}
.hero h1 em{font-style:normal;color:var(--wood)}
.hero .sub{font-size:16px;letter-spacing:.1em;max-width:22em;color:var(--soft)}
.links{display:flex;gap:26px;margin-top:34px;font-size:15px;letter-spacing:.16em;flex-wrap:wrap}
.links a,.more{border-bottom:1px solid var(--ink);padding-bottom:3px}
.links a:hover,.more:hover{color:var(--wood);border-color:var(--wood)}
.hero-pic{position:relative;min-height:340px}
.hero-pic img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-cap{position:absolute;left:0;bottom:0;background:var(--paper);padding:14px 26px;font-size:13px;letter-spacing:.16em}

/* ---- 區塊共用 ---- */
section{padding:120px 0}
.label{display:flex;align-items:baseline;gap:20px;margin-bottom:56px;border-bottom:1px solid var(--ink);padding-bottom:16px}
.label b{font-family:var(--serif);font-weight:500;font-size:15px;color:var(--wood);letter-spacing:.2em}
.label h2{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.4vw,44px);letter-spacing:.1em;line-height:1.4}
.label .en{margin-left:auto;font-size:12px;letter-spacing:.34em;color:var(--muted)}
.alt{background:var(--bg)}
.section-foot{margin-top:40px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.more{font-size:15px;letter-spacing:.16em}
.note{font-size:13px;color:var(--muted);letter-spacing:.08em}

/* 關於 */
.about{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:center}
.about img{width:100%;aspect-ratio:3/4;object-fit:cover}
.quote{font-family:var(--serif);font-weight:500;font-size:clamp(24px,2.8vw,36px);line-height:1.9;letter-spacing:.06em}
.quote span{display:block;text-wrap:balance}
.quote span:nth-child(odd){color:var(--wood)}

/* 服務 */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:90px 1fr auto;align-items:center;padding:30px 0;border-bottom:1px solid var(--line);transition:.3s}
.row:hover{padding-left:18px;background:var(--bg)}
.row i{font-family:var(--serif);font-style:normal;color:var(--wood);letter-spacing:.2em;font-size:15px}
.row h3{font-family:var(--serif);font-weight:500;font-size:clamp(24px,3vw,38px);letter-spacing:.14em;line-height:1.4}
.row span{font-size:13px;letter-spacing:.26em;color:var(--muted)}

/* 作品預覽 */
.meta{display:flex;gap:40px;flex-wrap:wrap;margin-bottom:36px;font-size:15px;letter-spacing:.14em}
.meta b{color:var(--wood);font-weight:400;margin-right:10px;font-size:12px;letter-spacing:.3em}
.pics{display:grid;grid-template-columns:7fr 5fr;gap:20px}
.pics figure{overflow:hidden;background:var(--sand)}
.pics img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.pics figure:hover img{transform:scale(1.03)}
.pics .big{grid-row:span 2;aspect-ratio:3/2.4}
.pics .sm{aspect-ratio:3/2}

/* 流程 */
.tl{display:grid;grid-template-columns:repeat(2,1fr);gap:0 80px}
.step{display:grid;grid-template-columns:76px 1fr;padding:34px 0;border-bottom:1px solid #d6cdc0}
.step:nth-child(-n+2){border-top:1px solid var(--ink)}
.step .n{font-family:var(--serif);font-weight:500;font-size:48px;line-height:1;color:var(--sand)}
.step h3{font-family:var(--serif);font-weight:600;font-size:22px;letter-spacing:.12em;margin-bottom:6px}
.step p{font-size:15px;color:var(--soft)}

/* 聯絡 */
.contact{background:var(--ink);color:#efe8dd}
.contact .label{border-color:var(--sand)}
.contact .label b,.contact .label .en{color:var(--sand)}
.phone{font-family:var(--serif);font-weight:500;font-size:clamp(40px,7vw,104px);line-height:1.1;letter-spacing:.04em;display:block;margin-bottom:56px}
.phone:hover{color:var(--sand)}
.cg{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;border-top:1px solid rgba(205,193,181,.3);padding-top:32px;font-size:16px}
.cg small{display:block;font-size:12px;letter-spacing:.3em;color:var(--sand);margin-bottom:8px}
.cg a:hover{color:var(--sand)}
.cg .span2{grid-column:span 2}

/* ---- 頁尾 ---- */
.site-footer{background:#2c2723;color:#b5ab9f;font-size:13px;padding:24px 0;letter-spacing:.1em}
.site-footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* 手機固定按鈕 */
.bar{display:none}

@media (max-width:900px){
 :root{--header-h:64px}
 .wrap{padding:0 20px}
 .nav,.cta{display:none}
 .burger{display:block}
 .nav.open{display:block;position:absolute;top:var(--header-h);left:0;right:0;background:var(--paper);border-bottom:1px solid #ded5c8;padding:8px 20px 20px}
 .nav.open ul{flex-direction:column;gap:0}
 .nav.open li{border-bottom:1px solid #e3dbd0}
 .nav.open a{display:block;padding:14px 0;border:0}
 .brand img{height:34px}
 .hero{grid-template-columns:1fr;min-height:0}
 .hero-pic{order:-1;height:56vw;min-height:230px}
 .hero-txt{padding:28px 20px 28px}
 .hero-txt>.tag:last-child{margin-top:28px}
 .hero-pic{margin-bottom:0}
 .hero-cap{position:static;padding:12px 20px;background:var(--paper)}
 .hero-pic{display:flex;flex-direction:column;height:auto;min-height:0}
 .hero-pic img{position:static;height:56vw;min-height:230px}
 .hero h1{margin:14px 0 18px;font-size:32px}
 section{padding:72px 0}
 .label{margin-bottom:34px;flex-wrap:wrap;gap:6px 14px}
 .label .en{display:none}
 .meta{gap:6px 28px;margin-bottom:28px}
 .about{grid-template-columns:1fr;gap:36px}
 .about img{aspect-ratio:4/3}
 .quote{font-size:20px;line-height:2}
 .row{grid-template-columns:52px 1fr;padding:22px 0}
 .row span{display:none}
 .pics{grid-template-columns:1fr;gap:14px}
 .pics .big,.pics .sm{grid-row:auto;aspect-ratio:3/2}
 .tl{grid-template-columns:1fr}
 .step:nth-child(2){border-top:0}
 .step{grid-template-columns:62px 1fr;padding:26px 0}
 .step .n{font-size:38px}
 .cg{grid-template-columns:1fr 1fr;gap:26px 20px;font-size:15px}
 .phone{margin-bottom:36px}
 .bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:30;box-shadow:0 -4px 18px rgba(0,0,0,.15)}
 .bar a{padding:15px 0;text-align:center;font-size:16px;letter-spacing:.2em;background:var(--ink);color:#fff}
 .bar a+a{background:#06c755}
 .site-footer{padding-bottom:84px}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *{transition:none!important}
}

/* ---- 內頁共用 ---- */
.page-head{padding:96px 0 72px;border-bottom:1px solid var(--line)}
.page-head .tag{margin-bottom:18px}
.page-head h1{font-family:var(--serif);font-weight:600;font-size:clamp(36px,5vw,72px);line-height:1.3;letter-spacing:.08em}
.page-head p{margin-top:20px;font-size:17px;letter-spacing:.08em;color:var(--soft);max-width:30em}
.page-sec{padding:96px 0}
.split{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start}
.split img{width:100%;aspect-ratio:1/1;object-fit:cover}
.info{border-top:1px solid var(--ink)}
.info div{display:grid;grid-template-columns:10em 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.info dt{font-size:13px;letter-spacing:.3em;color:var(--muted);padding-top:3px}
.info dd{font-size:17px;letter-spacing:.04em}
.info a:hover{color:var(--wood)}
.band{background:var(--ink);color:#efe8dd;padding:88px 0}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.band h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,3.4vw,44px);letter-spacing:.08em;line-height:1.5}
.band .btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 34px;border:1px solid var(--sand);letter-spacing:.22em;font-size:15px;transition:.25s}
.btn.fill{background:var(--sand);color:var(--ink)}
.btn:hover{background:#fff;color:var(--ink);border-color:#fff}
@media (max-width:900px){
 .page-head{padding:56px 0 44px}
 .page-sec{padding:60px 0}
 .split{grid-template-columns:1fr;gap:36px}
 .split img{aspect-ratio:4/3}
 .info div{grid-template-columns:1fr;gap:2px;padding:16px 0}
 .band{padding:60px 0}
}

/* ---- 內頁共用 ---- */
.page-head{padding:96px 0 72px;border-bottom:1px solid var(--line)}
.crumb{font-size:13px;letter-spacing:.16em;color:var(--muted);margin-bottom:28px}
.crumb a:hover{color:var(--wood)}
.page-head h1{font-family:var(--serif);font-weight:600;font-size:clamp(40px,6vw,84px);line-height:1.2;letter-spacing:.06em}
.page-head .lead{margin-top:22px;font-size:17px;letter-spacing:.1em;color:var(--soft);max-width:30em}
.page section{padding:96px 0}
.split{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start}
.split img{width:100%;aspect-ratio:4/5;object-fit:cover}
.pledge li{display:grid;grid-template-columns:72px 1fr;gap:6px;padding:30px 0;border-bottom:1px solid var(--line);align-items:baseline}
.pledge li:first-child{border-top:1px solid var(--ink)}
.pledge i{font-family:var(--serif);font-style:normal;color:var(--wood);letter-spacing:.2em;font-size:15px}
.pledge p{font-family:var(--serif);font-weight:500;font-size:clamp(21px,2.4vw,30px);line-height:1.7;letter-spacing:.06em}
.facts{display:grid;grid-template-columns:200px 1fr}
.facts dt,.facts dd{padding:22px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:13px;letter-spacing:.3em;color:var(--muted);padding-top:25px}
.facts dd{font-size:17px}
.facts a{border-bottom:1px solid var(--ink)}
.facts a:hover{color:var(--wood);border-color:var(--wood)}
.cta-band{background:var(--ink);color:#efe8dd;padding:88px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.4vw,44px);letter-spacing:.1em}
.cta-band .acts{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 32px;border:1px solid var(--sand);font-size:15px;letter-spacing:.18em;transition:.25s}
.btn.fill{background:var(--sand);color:var(--ink)}
.btn:hover{background:#fff;color:var(--ink);border-color:#fff}
@media (max-width:900px){
 .page-head{padding:52px 0 44px}
 .page section{padding:64px 0}
 .split{grid-template-columns:1fr;gap:36px}
 .split img{aspect-ratio:4/3}
 .pledge li{grid-template-columns:52px 1fr;padding:24px 0}
 .pledge p{font-size:20px}
 .facts{grid-template-columns:1fr}
 .facts dt{padding:20px 0 0;border-bottom:0}
 .facts dd{padding:4px 0 20px;font-size:16px}
 .cta-band{padding:60px 0}
}

/* 服務頁 */
.banner{margin:0;position:relative}
.banner img{width:100%;aspect-ratio:21/8;object-fit:cover}
.svc-list{border-top:1px solid var(--ink)}
.svc-item{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:20px;padding:44px 0;border-bottom:1px solid var(--line)}
.svc-item i{font-family:var(--serif);font-style:normal;font-size:clamp(34px,4vw,56px);color:var(--sand);line-height:1}
.svc-item h2{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.6vw,48px);letter-spacing:.14em;line-height:1.3}
.svc-item span{font-size:13px;letter-spacing:.3em;color:var(--muted)}
.nw{white-space:nowrap}
.area{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap;margin-top:0;padding:30px 0;border-bottom:1px solid var(--line)}
.area b{font-size:13px;letter-spacing:.3em;color:var(--muted);font-weight:400}
.area p{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.6vw,32px);letter-spacing:.1em}
@media (max-width:900px){
 .banner img{aspect-ratio:16/10}
 .svc-item{grid-template-columns:64px 1fr;padding:28px 0;gap:8px}
 .svc-item span{display:none}
 .area{padding:22px 0}
}

/* 作品集 */
.case-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.case-head h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,3vw,40px);letter-spacing:.1em;line-height:1.4}
.gal{columns:3;column-gap:20px}
.gal figure{break-inside:avoid;margin-bottom:20px}
.gal button{display:block;width:100%;padding:0;border:0;background:var(--sand);cursor:zoom-in;overflow:hidden;position:relative}
.gal img{width:100%;height:auto;transition:transform .6s}
.gal button:hover img{transform:scale(1.03)}
.gal figcaption{font-size:13px;letter-spacing:.16em;color:var(--muted);padding:8px 2px 0}
.lb{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100%;height:100%;margin:0}
.lb::backdrop{background:rgba(24,21,18,.98)}
.lb-in{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 64px 40px}
.lb img{max-width:100%;max-height:calc(100vh - 140px);width:auto;height:auto;object-fit:contain}
.lb p{color:#cdc1b5;font-size:14px;letter-spacing:.16em;margin-top:14px;text-align:center}
.lb button{position:absolute;background:none;border:1px solid rgba(205,193,181,.5);color:#efe8dd;width:46px;height:46px;font-size:20px;cursor:pointer;line-height:1}
.lb button:hover{background:#efe8dd;color:#2c2723}
.lb .x{top:14px;right:14px}.lb .pv{left:12px;top:50%;translate:0 -50%}.lb .nx{right:12px;top:50%;translate:0 -50%}
@media (max-width:900px){
 .gal{columns:1}
 .gal figure{margin-bottom:16px}
 .lb-in{padding:64px 10px 28px}
 .lb .pv,.lb .nx{top:auto;bottom:12px;translate:0 0}
 .lb .pv{left:12px}.lb .nx{right:12px}
}

/* 流程頁 */
.flow-list{border-top:1px solid var(--ink);counter-reset:s}
.flow-item{display:grid;grid-template-columns:150px 320px 1fr;gap:24px;align-items:baseline;padding:44px 0;border-bottom:1px solid var(--line)}
.flow-item .n{font-family:var(--serif);font-weight:500;font-size:clamp(48px,6vw,88px);line-height:1;color:var(--sand)}
.flow-item h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,3vw,38px);letter-spacing:.12em;line-height:1.4}
.flow-item p{font-size:17px;color:var(--soft);max-width:30em;text-wrap:pretty}
@media (max-width:900px){
 .flow-item{grid-template-columns:70px 1fr;gap:4px 12px;padding:28px 0}
 .flow-item .n{font-size:48px;grid-row:span 2}
 .flow-item p{font-size:15px}
}

/* 聯絡頁 */
.big-phone{display:block;font-family:var(--serif);font-weight:500;font-size:clamp(44px,9vw,128px);line-height:1.1;letter-spacing:.04em;padding:8px 0 48px}
.big-phone:hover{color:var(--wood)}
.c-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.c-card{padding:36px 36px 40px 0;border-bottom:1px solid var(--line)}
.c-card+.c-card{padding-left:36px;border-left:1px solid var(--line)}
.c-card small{display:block;font-size:12px;letter-spacing:.3em;color:var(--muted);margin-bottom:12px}
.c-card .v{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.4vw,30px);letter-spacing:.06em;line-height:1.5}
.c-card .act{display:inline-block;margin-top:18px;font-size:15px;letter-spacing:.16em;border-bottom:1px solid var(--ink);padding-bottom:3px}
.c-card .act:hover{color:var(--wood);border-color:var(--wood)}
@media (max-width:900px){
 .big-phone{padding-bottom:32px}
 .c-grid{grid-template-columns:1fr}
 .c-card,.c-card+.c-card{padding:26px 0;border-left:0}
}

.tight-top{padding-top:0}
.meta.flush{margin:0}

.sub-note{display:block;font-size:14px;letter-spacing:.08em;color:var(--muted);margin-top:4px}
.contact .sub-note{color:var(--sand)}
.c-card .sub-note{font-family:var(--sans);font-size:14px;margin-top:6px}
.facts .sub-note{display:inline}