/* 振勇環保 新站 — 共用樣式 (沉穩藍 + 亮綠) */
:root{
  /* 固定品牌色（不隨深淺主題變） */
  --blue-900:#102B45;   /* 深藍：深色區塊/頁尾/頁首橫幅/hero-card */
  --blue-700:#1B4C77;   /* 主藍：品牌、主要按鈕、標題重點 */
  --blue-500:#2E74AD;   /* 中藍：漸層/連結 */
  --green:#12B866;      /* 亮綠：重點、eyebrow、圖示、active */
  --green-600:#0E9A54;  /* 亮綠 hover */
  --line-green:#06C755; /* LINE 官方綠 */
  --on-dark:#EAF2F9;    /* 深底上的文字 */
  --on-dark-soft:#B4C8D8;
  --on-dark-accent:#54E29B;
  /* 主題中性色（隨深淺翻） */
  --ground:#F0F4F9;--surface:#FFFFFF;--surface-2:#E5EDF4;
  --ink:#12222F;--ink-soft:#46586A;--ink-faint:#778899;--line:#D7E2EC;
  --blue-100:#DBE9F5;--green-100:#D8F1E3;
  --shadow:0 1px 2px rgba(16,43,69,.06), 0 8px 24px -12px rgba(16,43,69,.20);
  --shadow-lg:0 24px 60px -24px rgba(16,43,69,.38);
  --radius:14px;--radius-sm:10px;--maxw:1120px;
  --font:"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --ground:#0A121B;--surface:#101D28;--surface-2:#182838;
    --ink:#E7EEF4;--ink-soft:#A4B4C3;--ink-faint:#7A8B9A;--line:#243747;
    --blue-100:#173049;--green-100:#123020;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.6);
    --shadow-lg:0 30px 70px -28px rgba(0,0,0,.7);
  }
}
:root[data-theme="light"]{--ground:#F0F4F9;--surface:#FFFFFF;--surface-2:#E5EDF4;--ink:#12222F;--ink-soft:#46586A;--ink-faint:#778899;--line:#D7E2EC;--blue-100:#DBE9F5;--green-100:#D8F1E3;}
:root[data-theme="dark"]{--ground:#0A121B;--surface:#101D28;--surface-2:#182838;--ink:#E7EEF4;--ink-soft:#A4B4C3;--ink-faint:#7A8B9A;--line:#243747;--blue-100:#173049;--green-100:#123020;}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:var(--font);color:var(--ink);background:var(--ground);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:22px}

.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);display:inline-flex;align-items:center;gap:.5em}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--green);border-radius:2px}
h2.title{font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.2;font-weight:800;letter-spacing:-.01em;text-wrap:balance;margin-top:.5rem}
.lede{color:var(--ink-soft);font-size:1.02rem;max-width:60ch;margin-top:.7rem}
.num{font-variant-numeric:tabular-nums}

/* 頂端資訊列 */
.util{background:var(--blue-900);color:var(--on-dark)}
.util .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:38px;font-size:.82rem;flex-wrap:wrap}
.util a{color:var(--on-dark);opacity:.92;display:inline-flex;align-items:center;gap:6px}
.util a:hover{opacity:1;color:#fff}
.util .util-r{display:flex;gap:16px;align-items:center}

/* 頁首導覽 */
header.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.06rem;letter-spacing:-.01em;white-space:nowrap}
.brand .mark{width:38px;height:38px;flex:none;border-radius:10px;background:linear-gradient(150deg,var(--blue-700),var(--blue-500));display:grid;place-items:center;color:#fff;box-shadow:var(--shadow)}
.brand .mark svg{width:22px;height:22px}
.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.16em;color:var(--ink-faint);text-transform:uppercase}
nav.menu{margin-left:auto;display:flex;gap:2px;align-items:center}
nav.menu a{position:relative;padding:9px 12px;border-radius:8px;font-size:.92rem;font-weight:600;color:var(--ink-soft)}
nav.menu a:hover{color:var(--ink);background:var(--surface-2)}
nav.menu a.active{color:var(--blue-700)}
nav.menu a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--green);border-radius:2px}
:root[data-theme="dark"] nav.menu a.active,@media(prefers-color-scheme:dark){}
.nav-cta{display:inline-flex!important;align-items:center;gap:7px;background:var(--blue-700)!important;color:#fff!important;padding:10px 16px!important;border-radius:999px;font-weight:800;font-size:.9rem;box-shadow:var(--shadow);margin-left:6px}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:var(--blue-900)!important}
.burger{margin-left:auto;display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;align-items:center;justify-content:center;color:var(--ink)}
@media(max-width:940px){
  nav.menu{display:none}
  .burger{display:inline-flex}
  nav.menu.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 22px 18px;gap:2px;box-shadow:var(--shadow-lg)}
  nav.menu.open a{padding:12px 10px}
  nav.menu.open a.active::after{left:10px;right:auto;width:20px}
  nav.menu.open .nav-cta{margin:8px 0 0;justify-content:center}
}

/* 按鈕 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 24px;border-radius:999px;font-weight:800;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:transform .12s ease,background .18s ease,box-shadow .18s}
.btn svg{width:19px;height:19px}
.btn:hover{transform:translateY(-1px)}
.btn-call{background:var(--blue-700);color:#fff;box-shadow:0 10px 22px -12px var(--blue-700)}
.btn-call:hover{background:var(--blue-900)}
.btn-line{background:var(--line-green);color:#fff;box-shadow:0 10px 22px -12px var(--line-green)}
.btn-line:hover{filter:brightness(.95)}
.btn-green{background:var(--green);color:#fff;box-shadow:0 10px 22px -12px var(--green)}
.btn-green:hover{background:var(--green-600)}
.btn-ghost{background:transparent;color:var(--blue-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--green);background:var(--surface)}

/* Hero（首頁大） */
.hero{position:relative;overflow:hidden;background:radial-gradient(120% 90% at 88% -10%, color-mix(in srgb,var(--green) 20%,transparent), transparent 60%),linear-gradient(180deg,var(--surface),var(--ground))}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;padding-top:60px;padding-bottom:60px}
.hero h1{font-size:clamp(2rem,5vw,3.15rem);line-height:1.12;font-weight:900;letter-spacing:-.02em;text-wrap:balance}
.hero h1 .hl{color:var(--green);white-space:nowrap}
.hero .sub{margin-top:18px;font-size:1.14rem;color:var(--ink-soft);max-width:52ch}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);color:var(--ink-soft);font-weight:600;font-size:.85rem;padding:8px 13px;border-radius:999px;box-shadow:var(--shadow)}
.chip svg{width:15px;height:15px;color:var(--green)}
.hero-card{background:var(--blue-900);color:var(--on-dark);border-radius:20px;padding:30px 28px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.hero-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--green) 55%,transparent),transparent 70%);opacity:.45}
.hero-card h3{font-size:1.05rem;letter-spacing:.02em;position:relative}
.hero-card .big{font-size:2.5rem;font-weight:900;line-height:1.1;margin:14px 0 4px;color:#fff}
.hero-card p{font-size:.92rem;opacity:.85;position:relative}
.hero-card .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;position:relative}
.hero-card .stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:13px 14px}
.hero-card .stat b{display:block;font-size:1.35rem;font-weight:800;color:#fff}
.hero-card .stat span{font-size:.76rem;opacity:.82}
@media(max-width:880px){.hero .wrap{grid-template-columns:1fr;gap:32px;padding-top:40px;padding-bottom:40px}}

/* 子頁小 Hero 橫幅 */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--blue-900),#0B1E31);color:var(--on-dark)}
.page-hero::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--green) 45%,transparent),transparent 70%);opacity:.4}
.page-hero .wrap{padding:52px 0 44px;position:relative}
.page-hero .eyebrow{color:var(--on-dark-accent)}.page-hero .eyebrow::before{background:var(--on-dark-accent)}
.page-hero h1{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:900;color:#fff;margin-top:8px;letter-spacing:-.01em}
.page-hero p{color:var(--on-dark-soft);margin-top:10px;max-width:62ch}
.page-hero .crumb{font-size:.8rem;color:var(--on-dark-soft);margin-top:16px;display:flex;gap:8px;align-items:center}
.page-hero .crumb a:hover{color:#fff}

/* 區塊 */
.band{padding:66px 0}
.band--tint{background:var(--surface)}
.band--dark{background:var(--blue-900);color:var(--on-dark)}
.band--dark .lede{color:var(--on-dark-soft)}
.band--dark .eyebrow{color:var(--on-dark-accent)}.band--dark .eyebrow::before{background:var(--on-dark-accent)}
.sec-head{max-width:64ch}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* 關於 */
.about{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:14px}
.about p.body{color:var(--ink-soft);font-size:1.04rem;margin-top:14px}
.cert-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px}
.cert-row{display:flex;gap:14px;align-items:flex-start}
.cert-row .ic{width:42px;height:42px;flex:none;border-radius:11px;background:var(--green-100);color:var(--green-600);display:grid;place-items:center}
.cert-row .ic svg{width:22px;height:22px}
.cert-row b{font-size:1rem}
.cert-row span{display:block;color:var(--ink-soft);font-size:.9rem;margin-top:2px}
.about-right{display:flex;flex-direction:column;gap:16px}
.about-photo{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.about-photo img{width:100%;height:230px;object-fit:cover;display:block}
.about-photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 10px;font-size:.8rem;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(16,43,69,.9))}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow)}
.fact b{display:block;font-size:1.3rem;font-weight:800;color:var(--blue-700)}
.fact span{font-size:.82rem;color:var(--ink-soft)}
@media(max-width:820px){.about{grid-template-columns:1fr;gap:26px}.facts{grid-template-columns:1fr 1fr}}

/* 服務 */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
@media(max-width:860px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.svc-grid{grid-template-columns:1fr}}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow);transition:transform .14s,border-color .14s,box-shadow .14s}
.svc:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow-lg)}
.svc .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(150deg,var(--blue-700),var(--blue-500));color:#fff;display:grid;place-items:center;margin-bottom:14px}
.svc .ic svg{width:24px;height:24px}
.svc h3{font-size:1.12rem;font-weight:800}
.svc p{color:var(--ink-soft);font-size:.92rem;margin-top:6px}
.svc ul{list-style:none;margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.svc li{font-size:.78rem;font-weight:600;color:var(--green-600);background:var(--green-100);padding:4px 10px;border-radius:999px}

/* 報價流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px 24px}
.step .n{font-size:.8rem;font-weight:800;letter-spacing:.12em;color:var(--on-dark-accent)}
.step .si{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.1);display:grid;place-items:center;margin:14px 0 16px;color:#fff}
.step .si svg{width:26px;height:26px}
.step h3{font-size:1.18rem;color:#fff}
.step p{opacity:.85;font-size:.94rem;margin-top:6px;color:var(--on-dark-soft)}
.process-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

/* 實績 */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.filters button{border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);font-weight:600;font-size:.86rem;padding:8px 15px;border-radius:999px;cursor:pointer;transition:.15s}
.filters button[aria-pressed="true"]{background:var(--green);color:#fff;border-color:var(--green)}
.filters button:hover{border-color:var(--green)}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
@media(max-width:860px){.gal{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.gal{grid-template-columns:1fr}}
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .14s,box-shadow .14s}
.case:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.thumb{aspect-ratio:4/3;background:var(--surface-2);position:relative}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumb .cnt{position:absolute;top:10px;right:10px;z-index:2;background:rgba(16,43,69,.8);color:#fff;font-size:.72rem;font-weight:700;padding:4px 9px;border-radius:999px}
.case .meta{padding:15px 16px 17px}
.case .cat{font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--green-600);text-transform:uppercase}
.case h3{font-size:1.02rem;font-weight:800;margin-top:5px;line-height:1.35}
.case .date{font-size:.82rem;color:var(--ink-faint);margin-top:5px}

/* 實績相簿 */
.album{margin-top:44px}
.album:first-of-type{margin-top:6px}
.al-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:2px solid var(--green);padding-bottom:10px;margin-bottom:18px}
.al-head h3{font-size:1.3rem;font-weight:800}
.al-meta{display:flex;align-items:center;gap:12px;color:var(--ink-faint);font-size:.85rem}
.al-cnt{background:var(--green-100);color:var(--green-600);font-weight:700;padding:3px 10px;border-radius:999px}
.ph-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:860px){.ph-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.ph-grid{grid-template-columns:repeat(2,1fr)}}
.ph{display:block;aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:var(--surface-2);border:1px solid var(--line)}
.ph img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.ph:hover img{transform:scale(1.05)}

/* FAQ */
.faq{max-width:820px;margin:28px auto 0;display:flex;flex-direction:column;gap:12px}
details.qa{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 20px;box-shadow:var(--shadow)}
details.qa summary{cursor:pointer;list-style:none;padding:17px 0;font-weight:700;font-size:1.02rem;display:flex;align-items:center;gap:12px}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary .q{width:24px;height:24px;flex:none;border-radius:7px;background:var(--green-100);color:var(--green-600);display:grid;place-items:center;font-weight:800;font-size:.85rem}
details.qa summary .caret{margin-left:auto;transition:transform .2s;color:var(--ink-faint)}
details.qa[open] summary .caret{transform:rotate(180deg)}
details.qa .a{padding:0 0 18px 36px;color:var(--ink-soft);font-size:.96rem}

/* 交通 */
.loc{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:14px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}
.loc .info{padding:34px 32px;display:flex;flex-direction:column;gap:18px}
.loc .map{min-height:360px;background:var(--surface-2)}
.loc .map iframe{width:100%;height:100%;min-height:360px;border:0;display:block}
.info-row{display:flex;gap:13px;align-items:flex-start}
.info-row .ic{width:38px;height:38px;flex:none;border-radius:10px;background:var(--green-100);color:var(--green-600);display:grid;place-items:center}
.info-row .ic svg{width:19px;height:19px}
.info-row b{font-size:.98rem}
.info-row span,.info-row a{display:block;color:var(--ink-soft);font-size:.94rem}
.info-row a:hover{color:var(--blue-700)}
@media(max-width:820px){.loc{grid-template-columns:1fr}.loc .map{min-height:280px}}

/* 聯絡 */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;margin-top:14px}
form.lead{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:15px}
form.lead label{font-weight:700;font-size:.9rem;display:block;margin-bottom:6px}
form.lead input,form.lead textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--ground);color:var(--ink);font-family:inherit;font-size:.98rem}
form.lead input:focus,form.lead textarea:focus{outline:none;border-color:var(--green);background:var(--surface)}
form.lead textarea{min-height:110px;resize:vertical}
.contact-aside{display:flex;flex-direction:column;gap:14px}
.big-cta{display:flex;flex-direction:column;gap:11px}
@media(max-width:820px){.contact{grid-template-columns:1fr;gap:28px}}

/* 空狀態（最新消息） */
.empty{max-width:560px;margin:20px auto 0;text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:48px 28px;box-shadow:var(--shadow)}
.empty .ic{width:60px;height:60px;border-radius:16px;background:var(--green-100);color:var(--green-600);display:grid;place-items:center;margin:0 auto 16px}
.empty .ic svg{width:30px;height:30px}
.empty h3{font-size:1.2rem;font-weight:800}
.empty p{color:var(--ink-soft);margin-top:8px;font-size:.96rem}

/* CTA 帶 */
.cta-band{text-align:center}
.cta-band .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* 頁尾 */
footer{background:var(--blue-900);color:var(--on-dark-soft);padding:52px 0 118px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
footer h4{color:#fff;font-size:1.05rem;margin-bottom:14px}
footer p,footer a{font-size:.9rem;line-height:1.9;color:var(--on-dark-soft)}
footer a:hover{color:#fff}
footer .fnav{display:flex;flex-direction:column;gap:2px}
footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;font-size:.8rem;color:#89A0B4;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(max-width:760px){footer .cols{grid-template-columns:1fr;gap:26px}}

/* 手機常駐列 */
.mobar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -8px 24px -14px rgba(0,0,0,.3)}
.mobar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 8px;font-weight:800;font-size:1rem}
.mobar a svg{width:20px;height:20px}
.mobar .m-call{color:#fff;background:var(--blue-700)}
.mobar .m-line{color:#fff;background:var(--line-green)}
@media(max-width:940px){.mobar{display:flex}}