/* =========================================================================
   Quintana Roo 台灣官網 — 全站共用樣式
   風格：黑／白／灰極簡、滿版大圖、大量留白、粗黑標題
   字體：Noto Sans TC（中文）
   ========================================================================= */

:root{
  --ink:#0a0a0a;        /* 主文字／純黑 */
  --ink-2:#3a3a3a;
  --sub:#767676;        /* 次要灰 */
  --line:#e6e6e6;       /* 分隔線 */
  --bg:#ffffff;
  --bg-2:#f4f4f4;       /* 淺灰區塊 */
  --bg-dark:#0a0a0a;    /* 黑底區塊 */
  --maxw:1240px;
  --nav-h:64px;
  --font:'Noto Sans TC','PingFang TC','Microsoft JhengHei',system-ui,sans-serif;
  --font-en:'Helvetica Neue',Arial,var(--font);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
@media(max-width:760px){.section{padding:56px 0}}

/* 標題 */
h1,h2,h3{font-weight:900;letter-spacing:.01em;line-height:1.12}
.eyebrow{
  font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;
  color:var(--sub);margin-bottom:16px;
}
.kicker{font-family:var(--font-en);font-weight:900;letter-spacing:.04em}

/* 通用按鈕 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;font-size:15px;font-weight:800;letter-spacing:.08em;
  border:2px solid var(--ink);transition:.18s;white-space:nowrap;
}
.btn--solid{background:var(--ink);color:#fff}
.btn--solid:hover{background:#fff;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--on-dark{border-color:#fff;color:#fff}
.btn--on-dark.btn--solid{background:#fff;color:var(--ink)}
.btn--on-dark.btn--solid:hover{background:transparent;color:#fff}
.btn--on-dark.btn--ghost:hover{background:#fff;color:var(--ink)}

/* =========================== 公告列 =========================== */
.announce{
  background:var(--ink);color:#fff;text-align:center;
  font-size:13px;letter-spacing:.04em;padding:9px 40px;position:relative;
}
.announce a{text-decoration:underline;text-underline-offset:3px}
.announce .close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:#fff;font-size:16px;opacity:.7;line-height:1;
}
.announce .close:hover{opacity:1}

/* =========================== 導覽列 =========================== */
.nav{
  position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;height:var(--nav-h);padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav__logo{font-family:var(--font-en);font-weight:900;font-size:19px;letter-spacing:.14em;line-height:1;display:inline-flex;flex-direction:column;gap:3px}
.nav__logo img{height:22px;width:auto;display:block}
.nav__logo small{display:block;font-size:9px;letter-spacing:.34em;color:var(--sub);font-weight:600}
.nav__menu{display:flex;align-items:center;gap:4px;list-style:none}
.nav__item{position:relative}
.nav__link{
  display:flex;align-items:center;gap:5px;padding:0 15px;height:var(--nav-h);
  font-size:15px;font-weight:600;color:var(--ink);
}
.nav__link:hover{color:var(--sub)}
/* 目前所在區段：用底線標示，而不是只變灰（避免和 hover 混淆） */
.nav__link.is-active{box-shadow:inset 0 -3px 0 var(--ink)}
.nav__link .caret{font-size:9px;color:var(--sub);transition:.2s}
.nav__item:hover .caret{transform:rotate(180deg)}

/* 下拉 */
.nav__dd{
  position:absolute;top:calc(var(--nav-h) - 8px);left:0;min-width:280px;
  background:#fff;border:1px solid var(--line);box-shadow:0 18px 40px rgba(0,0,0,.10);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;
}
.nav__item:hover .nav__dd{opacity:1;visibility:visible;transform:translateY(0)}
.nav__dd a{display:block;padding:11px 14px;border-radius:2px}
.nav__dd a:hover{background:var(--bg-2)}
.nav__dd .dd-title{display:block;font-weight:800;font-size:14px}
.nav__dd .dd-desc{display:block;font-size:12px;color:var(--sub);margin-top:3px;line-height:1.4}

.nav__cta{margin-left:6px}
.nav__cta .btn{padding:11px 20px;font-size:13px}

/* 漢堡 */
.nav__burger{display:none;background:none;border:none;width:30px;height:30px;flex-direction:column;justify-content:center;gap:6px}
.nav__burger span{display:block;height:2px;background:var(--ink);transition:.2s}

/* 手機選單：項目多時可獨立捲動，不會把整個 sticky header 撐爆 */
.nav__mobile{display:none;border-top:1px solid var(--line);background:#fff;
  max-height:calc(100vh - var(--nav-h) - 20px);overflow-y:auto;-webkit-overflow-scrolling:touch}
.nav__mobile a{display:block;padding:15px 24px;border-bottom:1px solid var(--line);font-weight:600}
.nav__mobile .m-sub a{padding-left:40px;font-weight:400;color:var(--ink-2);font-size:14px}

@media(max-width:1024px){
  .nav__menu,.nav__cta{display:none}
  .nav__burger{display:flex}
  .nav.open .nav__mobile{display:block}
}

/* 鍵盤操作可見的焦點框（滑鼠點擊不會出現） */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,
textarea:focus-visible,[tabindex]:focus-visible{
  outline:3px solid #1d66ca;outline-offset:2px;border-radius:2px;
}

/* =========================== 頁尾 =========================== */
.footer{background:var(--bg-dark);color:#cfcfcf;padding:70px 0 34px}
.footer a{color:#cfcfcf}
.footer a:hover{color:#fff}
.footer__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer__brand .fb-logo{display:inline-block;font-family:var(--font-en);font-weight:900;font-size:20px;letter-spacing:.14em;color:#fff}
.footer__brand .fb-logo img{height:26px;width:auto;display:block}
.footer__brand p{font-size:13px;color:var(--sub);margin-top:14px;max-width:260px;line-height:1.7}
.footer h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:800}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer__social{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap}
.footer__social a,.footer__social .soon{font-size:13px;border:1px solid #3a3a3a;padding:6px 12px;border-radius:2px}
/* 帳號還沒有時：顯示為不可點的標示，不要放假的 href="#" */
.footer__social .soon{color:#6b6b6b;cursor:default;display:inline-flex;align-items:center;gap:6px}
.footer__social .soon em{font-style:normal;font-size:10px;letter-spacing:.04em;color:#8a6d00;background:#fff3cd;padding:0 5px;border-radius:2px}
.footer__bottom{
  border-top:1px solid #232323;margin-top:48px;padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--sub);
}
.footer__bottom a{text-decoration:underline;text-underline-offset:2px}
@media(max-width:860px){.footer__cols{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:520px){.footer__cols{grid-template-columns:1fr}}

/* =========================== 通用區塊 =========================== */
/* 待填 / 待確認 佔位標示 */
.tbd{
  display:inline-block;background:#fff3cd;color:#8a6d00;border:1px dashed #d9b400;
  font-size:12px;font-weight:700;padding:1px 8px;border-radius:3px;letter-spacing:.02em;
}
.placeholder-note{
  background:var(--bg-2);border-left:3px solid var(--ink);
  padding:14px 18px;font-size:13px;color:var(--ink-2);margin:22px 0;line-height:1.7;
}

/* 施工中（骨架 stub 頁） */
.stub{min-height:52vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px}
.stub h1{font-size:clamp(28px,5vw,44px)}
.stub p{color:var(--sub);margin-top:14px;font-size:15px}
.stub .path{font-family:var(--font-en);background:var(--bg-2);padding:2px 8px;border-radius:3px;font-size:13px}

/* =========================== 車款頁共用版式 =========================== */
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.05) 45%,rgba(0,0,0,.72) 100%);z-index:1}
.hero--plain{background:var(--bg-2)}
.hero--plain::after{background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.10))}
.hero__inner{position:relative;z-index:2;width:100%;padding-bottom:70px}
.hero .eyebrow{color:#e4e4e4}
.hero--contain .hero__img{object-fit:contain;background:var(--bg-2)}
.hero--dark .eyebrow{color:var(--sub)}
.hero h1{font-family:var(--font-en);font-size:clamp(64px,13vw,168px);line-height:.9;letter-spacing:.01em}
.hero__sub{font-size:clamp(16px,2.2vw,21px);font-weight:500;max-width:640px;margin:20px 0 30px;color:#f0f0f0}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

.overview{text-align:center}
.overview h2{font-size:clamp(26px,4vw,42px);max-width:900px;margin:0 auto}
.overview p{font-size:17px;color:var(--ink-2);max-width:720px;margin:22px auto 0}

.feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0}
.feature__media{aspect-ratio:4/3;background:var(--bg-2);overflow:hidden}
.feature__media img{width:100%;height:100%;object-fit:cover}
.feature__body{padding:56px clamp(24px,5vw,80px)}
.feature__body h3{font-size:clamp(24px,3.4vw,36px)}
.feature__body p{font-size:16px;color:var(--ink-2);margin-top:16px;max-width:520px}
.feature__body .num{font-family:var(--font-en);font-size:13px;font-weight:900;color:var(--sub);letter-spacing:.2em;margin-bottom:14px}
.feature--rev .feature__media{order:2}
@media(max-width:860px){
  .feature{grid-template-columns:1fr}
  .feature--rev .feature__media{order:0}
  .feature__body{padding:40px 24px}
}

.tech{background:var(--bg-2)}
.tech__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px}
.tech__card{background:#fff;border:1px solid var(--line);padding:30px}
.tech__card .t{font-size:12px;font-weight:900;letter-spacing:.14em;color:var(--sub);text-transform:uppercase}
.tech__card h3{font-size:21px;margin:10px 0 12px}
.tech__card p{font-size:14.5px;color:var(--ink-2)}
@media(max-width:860px){.tech__grid{grid-template-columns:1fr}}

.press__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.press__card{border:1px solid var(--line);padding:28px;display:flex;flex-direction:column}
.press__card blockquote{font-size:16px;line-height:1.7;color:var(--ink);flex:1}
.press__card .src{font-size:12.5px;color:var(--sub);margin-top:18px}
.press__card a{font-weight:700;text-decoration:underline;text-underline-offset:3px;font-size:13px;margin-top:8px;display:inline-block}
@media(max-width:860px){.press__grid{grid-template-columns:1fr}}

.colors{text-align:center}
.colors .swatches{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px;max-width:720px;margin-left:auto;margin-right:auto}
.colors .sw{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);cursor:pointer;transition:.15s;background-size:cover;background-position:center}
.colors .sw:hover{transform:scale(1.08)}
.colors .sw.on{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--ink)}
.color-name{margin-top:22px;font-size:15px;font-weight:700;min-height:22px}

.tabs{display:flex;gap:6px;border-bottom:2px solid var(--line);margin-top:8px;flex-wrap:wrap}
.tab{padding:14px 22px;font-size:14px;font-weight:800;letter-spacing:.04em;color:var(--sub);border-bottom:2px solid transparent;margin-bottom:-2px;background:none;border-top:none;border-left:none;border-right:none;cursor:pointer}
.tab.on{color:var(--ink);border-bottom-color:var(--ink)}
.panel{display:none;padding-top:30px}
.panel.on{display:block}
table.spec{width:100%;border-collapse:collapse;font-size:14px}
table.spec th,table.spec td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{width:200px;font-weight:800;color:var(--ink);background:var(--bg-2)}
table.geo{width:100%;border-collapse:collapse;font-size:13.5px}
table.geo th,table.geo td{padding:11px 10px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
table.geo thead th{background:var(--ink);color:#fff;font-weight:800}
table.geo tbody th{text-align:left;background:var(--bg-2);font-weight:700}
.table-scroll{overflow-x:auto}

.buybox{background:var(--ink);color:#fff;padding:clamp(32px,5vw,56px)}
.buybox__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.buybox__item .l{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#9a9a9a}
.buybox__item .v{font-size:19px;font-weight:800;margin-top:8px}
.buybox__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
@media(max-width:760px){.buybox__grid{grid-template-columns:1fr 1fr;gap:20px}}

.closing{position:relative;min-height:64vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
.closing img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.closing::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.5);z-index:1}
.closing--solid{background:var(--bg-dark)}
.closing--solid::after{background:none}
.closing__in{position:relative;z-index:2;padding:40px 24px}
.closing h2{font-size:clamp(30px,5vw,54px)}
.closing p{margin:14px 0 26px;color:#e8e8e8}
.closing__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}