/* ===========================================================
   大騰興業 TA-Talent 網站改版提案 - 共用樣式
   延續現有網站風格:深藍主色 + 綠色點綴 + 黑色頁尾
   =========================================================== */
:root{
  --navy: #1a4d8f;
  --navy-dark: #0d2c52;
  --blue-light: #2f8fd1;
  --accent-green: #3aa655;
  --dark: #141414;
  --gray-bg: #f2f4f7;
  --gray-bg2: #eef1f5;
  --text-dark: #23272f;
  --text-gray: #5a6472;
  --border-light: #e2e6ec;
  --white: #ffffff;
  --font: "Noto Sans TC","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,sans-serif;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text-dark);
  background:var(--white);
  line-height:1.7;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{margin:0;padding:0;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- 提案標籤(僅供提案文件標示,正式上線移除) ---------- */
.proposal-tag{
  position:fixed;top:12px;right:12px;z-index:999;
  background:var(--accent-green);color:#fff;font-size:12px;
  padding:6px 14px;border-radius:20px;font-weight:700;
  box-shadow:0 2px 8px rgba(0,0,0,.2);
  letter-spacing:.5px;
}
.new-badge{
  display:inline-block;background:var(--accent-green);color:#fff;
  font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;
  margin-left:8px;vertical-align:middle;letter-spacing:.5px;
}

/* ---------- Header ---------- */
header.site-header{
  background:#fff;border-bottom:1px solid var(--border-light);
  position:relative;z-index:20;
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;}
.logo .mark{
  width:42px;height:42px;border-radius:6px;
  background:linear-gradient(135deg,var(--navy),var(--blue-light));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;
}
.logo .name-zh{font-size:15px;font-weight:700;color:var(--text-dark);}
.logo .name-en{font-size:11px;color:var(--text-gray);letter-spacing:.5px;}
nav.main-nav{display:flex;align-items:center;gap:26px;}
nav.main-nav a{font-size:14px;color:var(--text-dark);white-space:nowrap;}
nav.main-nav a.current{color:var(--navy);font-weight:700;}
.nav-cta{
  background:var(--navy);color:#fff !important;padding:9px 18px;
  border-radius:4px;font-size:13px;font-weight:700;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  background:var(--gray-bg2);padding:12px 0;
  font-size:13px;color:var(--text-gray);
}
.breadcrumb a{color:var(--text-gray);}
.breadcrumb .cur{color:var(--navy);font-weight:700;}

/* ---------- Hero (首頁大圖版) ---------- */
.hero-photo{
  position:relative;min-height:560px;display:flex;align-items:center;
  background-size:cover;background-position:center;
  background-color:#1c2733;
}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,20,35,.82) 0%,rgba(10,20,35,.55) 45%,rgba(10,20,35,.15) 100%);
}
.hero-photo .wrap{position:relative;z-index:2;}
.hero-photo h1{
  color:#fff;font-size:44px;font-weight:800;line-height:1.35;margin:0 0 18px;
  max-width:640px;
}
.hero-photo h1 .accent{color:#7ee08f;}
.hero-photo p.sub{
  color:#dbe4ee;font-size:15px;max-width:560px;margin:0 0 28px;
}
.hero-photo .eyebrow{
  color:#9fd8ff;font-size:13px;letter-spacing:2px;font-weight:700;margin-bottom:14px;text-transform:uppercase;
}
.btn{
  display:inline-block;background:var(--navy);color:#fff;
  padding:13px 30px;border-radius:4px;font-size:14px;font-weight:700;
  transition:background .2s;
}
.btn:hover{background:var(--navy-dark);}
.btn.outline{
  background:transparent;border:1.5px solid #fff;color:#fff;
}
.btn.green{background:var(--accent-green);}

/* ---------- Gradient banner (內頁版) ---------- */
.hero-banner{
  background:linear-gradient(120deg,#3aa0e0 0%,var(--navy) 55%,var(--navy-dark) 100%);
  padding:70px 0 56px;text-align:center;color:#fff;
}
.hero-banner h1{font-size:36px;font-weight:800;margin:0 0 16px;}
.hero-banner p{font-size:15px;color:#dfeaf5;max-width:680px;margin:0 auto;}
.hero-banner .cta-row{margin-top:26px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- Section headings ---------- */
.section{padding:72px 0;}
.section.alt{background:var(--gray-bg);}
.section-head{text-align:center;max-width:720px;margin:0 auto 46px;}
.section-head .eyebrow{color:var(--navy);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:28px;font-weight:800;color:var(--navy);margin:0 0 14px;}
.section-head .rule{width:56px;height:3px;background:var(--accent-green);margin:0 auto 18px;}
.section-head p{color:var(--text-gray);font-size:14.5px;margin:0;}

/* ---------- Icon cards (3~5 欄) ---------- */
.icon-grid{
  display:flex;flex-wrap:wrap;justify-content:center;gap:44px 36px;
}
.icon-card{width:210px;text-align:center;}
.icon-card .icon-circle{
  width:78px;height:78px;border-radius:50%;border:2px solid var(--navy);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
  color:var(--navy);font-size:30px;background:#fff;
}
.icon-card h3{font-size:15.5px;font-weight:700;margin:0 0 8px;color:var(--text-dark);}
.icon-card p{font-size:13px;color:var(--text-gray);margin:0;}

/* ---------- Split band (深藍圖文區塊) ---------- */
.split-band{background:var(--navy-dark);color:#fff;}
.split-band .split{display:flex;align-items:stretch;min-height:420px;}
.split-band .split.reverse{flex-direction:row-reverse;}
.split-band .img-side{
  flex:1 1 46%;background-size:cover;background-position:center;background-color:#0e2440;
  min-height:420px;
}
.split-band .txt-side{flex:1 1 54%;display:flex;align-items:center;padding:50px 60px;}
.split-band .txt-side h3{font-size:24px;font-weight:800;margin:0 0 18px;line-height:1.5;}
.split-band .txt-side .eyebrow{color:#7ee08f;font-size:12px;font-weight:700;letter-spacing:2px;margin-bottom:10px;text-transform:uppercase;}
.split-band .txt-side p{color:#c9d6e5;font-size:14px;margin:0 0 16px;}
.split-band .txt-side ul li{color:#dfe8f2;font-size:13.5px;margin-bottom:10px;padding-left:20px;position:relative;}
.split-band .txt-side ul li::before{content:"●";color:var(--accent-green);position:absolute;left:0;font-size:9px;top:6px;}

/* ---------- Step flow (製程流程) ---------- */
.step-flow{display:flex;flex-wrap:wrap;justify-content:center;gap:0;}
.step{
  width:130px;text-align:center;position:relative;padding:0 6px 18px;
}
.step .num{
  width:56px;height:56px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-weight:800;font-size:18px;
}
.step h4{font-size:13.5px;font-weight:700;margin:0 0 4px;}
.step p{font-size:11.5px;color:var(--text-gray);margin:0;}
.step-arrow{align-self:center;color:var(--border-light);font-size:22px;margin:0 -2px;padding-bottom:18px;color:#c3ccd6;}

/* ---------- Material / product cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px;}
.mat-card{
  background:#fff;border:1px solid var(--border-light);border-radius:8px;overflow:hidden;
  transition:box-shadow .2s,transform .2s;
}
.mat-card:hover{box-shadow:0 10px 26px rgba(20,40,70,.12);transform:translateY(-3px);}
.mat-card .thumb{
  height:130px;background:linear-gradient(135deg,#dbe6f2,#b9cbe0);
  display:flex;align-items:center;justify-content:center;color:var(--navy);font-size:13px;font-weight:700;
}
.mat-card .body{padding:18px 20px 22px;}
.mat-card h4{font-size:15.5px;font-weight:800;margin:0 0 8px;color:var(--navy);}
.mat-card p{font-size:12.5px;color:var(--text-gray);margin:0 0 12px;}
.mat-card .tag-link{font-size:12.5px;color:var(--navy);font-weight:700;}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border-light);border-radius:8px;}
table.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px;}
table.spec-table th{
  background:var(--navy);color:#fff;padding:12px 14px;text-align:left;font-weight:700;white-space:nowrap;
}
table.spec-table td{padding:11px 14px;border-bottom:1px solid var(--border-light);color:var(--text-dark);}
table.spec-table tr:nth-child(even){background:var(--gray-bg);}
table.spec-table td.hl{color:var(--navy);font-weight:700;}

/* ---------- Compare table (vs 鍛造鋼) ---------- */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:8px;overflow:hidden;border:1px solid var(--border-light);}
.compare-col{padding:0;}
.compare-col .head{padding:16px 20px;font-weight:800;font-size:15px;text-align:center;}
.compare-col.win .head{background:var(--navy);color:#fff;}
.compare-col.lose .head{background:#e9edf2;color:var(--text-gray);}
.compare-row{padding:14px 20px;font-size:13.5px;border-top:1px solid var(--border-light);}
.compare-col.win .compare-row{color:var(--text-dark);}
.compare-col.win .compare-row b{color:var(--accent-green);}
.compare-col.lose .compare-row{color:var(--text-gray);}
.compare-label-row{display:none;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border-light);padding:18px 4px;}
.faq-item .q{font-size:14.5px;font-weight:700;color:var(--navy);margin-bottom:8px;display:flex;gap:10px;}
.faq-item .q .qmark{
  width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;
  display:flex;align-items:center;justify-content:center;flex:none;font-weight:800;
}
.faq-item .a{font-size:13.5px;color:var(--text-gray);padding-left:32px;}

/* ---------- Cert bar ---------- */
.cert-bar{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:44px;}
.cert-logo{
  width:130px;height:64px;border:1px solid var(--border-light);border-radius:6px;
  display:flex;align-items:center;justify-content:center;color:var(--text-gray);font-size:12px;font-weight:700;
  background:#fff;
}

/* ---------- News ---------- */
.news-tabs{display:flex;justify-content:center;gap:28px;margin-bottom:34px;font-size:13.5px;color:var(--text-gray);}
.news-tabs .on{color:var(--navy);font-weight:700;border-bottom:2px solid var(--navy);padding-bottom:6px;}
.news-card{max-width:420px;margin:0 auto;background:#fff;border:1px solid var(--border-light);border-radius:8px;overflow:hidden;}
.news-card .thumb{height:170px;background:linear-gradient(135deg,#1a4d8f,#0d2c52);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;}
.news-card .body{padding:20px 22px;}
.news-card .date{font-size:12px;color:var(--text-gray);margin-bottom:6px;}
.news-card h4{font-size:15px;font-weight:700;color:var(--navy);margin:0 0 10px;}
.news-card p{font-size:12.5px;color:var(--text-gray);margin:0 0 14px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy-dark),var(--navy));
  color:#fff;padding:60px 0;text-align:center;
}
.cta-band h3{font-size:22px;font-weight:800;margin:0 0 24px;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--dark);color:#c7ccd3;padding:54px 0 0;font-size:13px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px;}
.footer-grid h5{color:#fff;font-size:14px;font-weight:700;margin:0 0 16px;}
.footer-grid .about p{color:#9aa1ab;font-size:12.5px;line-height:1.8;}
.footer-grid ul li{margin-bottom:10px;color:#c7ccd3;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{background:#242424;padding:6px 12px;border-radius:14px;font-size:12px;color:#c7ccd3;}
.footer-mini-news{background:#1e2530;padding:0;border-radius:6px;overflow:hidden;}
.footer-mini-news .thumb{height:60px;background:linear-gradient(135deg,#1a4d8f,#0d2c52);}
.footer-mini-news .cap{padding:10px 12px;font-size:11.5px;color:#c7ccd3;}
.footer-bottom{
  border-top:1px solid #2a2a2a;padding:18px 0;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:12px;color:#8b929c;
}
.footer-bottom a{color:#8b929c;}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- 插畫用輔助樣式 ---------- */
.hero-illust{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.9;}
.thumb.illust{flex-direction:column;gap:8px;}
.thumb.illust .cap{font-size:11.5px;font-weight:700;color:var(--navy);}
.img-side.illust-wrap{display:flex;align-items:center;justify-content:center;}

/* ===========================================================
   版型結構 B 版專用樣式(區塊排列/版型結構變體)
   =========================================================== */

/* ---------- 垂直時間軸(製程流程 B版) ---------- */
.timeline{position:relative;max-width:760px;margin:0 auto;padding:10px 0;}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--border-light);transform:translateX(-50%);}
.tl-item{position:relative;width:50%;padding:0 40px 34px;box-sizing:border-box;}
.tl-item:nth-child(odd){left:0;text-align:right;}
.tl-item:nth-child(even){left:50%;text-align:left;}
.tl-dot{position:absolute;top:4px;width:16px;height:16px;border-radius:50%;background:var(--navy);border:3px solid #fff;box-shadow:0 0 0 2px var(--navy);}
.tl-item:nth-child(odd) .tl-dot{right:-8px;}
.tl-item:nth-child(even) .tl-dot{left:-8px;}
.tl-card{display:inline-block;background:#fff;border:1px solid var(--border-light);border-radius:8px;padding:14px 18px;text-align:left;}
.tl-card h4{margin:0 0 4px;color:var(--navy);font-size:14px;font-weight:800;}
.tl-card p{margin:0;font-size:12px;color:var(--text-gray);}
.tl-num{display:inline-flex;width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center;font-size:11px;font-weight:800;margin-right:6px;vertical-align:middle;}

/* ---------- 跑馬式捲動卡片(卡片群 B版) ---------- */
.filmstrip{display:flex;gap:20px;overflow-x:auto;padding:6px 6px 20px;scroll-snap-type:x mandatory;}
.filmstrip::-webkit-scrollbar{height:7px;}
.filmstrip::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px;}
.filmstrip .mat-card{min-width:224px;max-width:224px;flex:none;scroll-snap-align:start;}
.scroll-hint{text-align:center;font-size:12px;color:var(--text-gray);margin-top:-8px;margin-bottom:26px;}

/* ---------- CSS-only 頁籤切換(材料推薦 / 機械性能 B版) ---------- */
.tabs-css input{display:none;}
.tabs-css label{display:inline-block;padding:9px 20px;border:1.5px solid var(--navy);border-radius:20px;color:var(--navy);font-size:13px;font-weight:700;cursor:pointer;margin:0 8px 22px 0;}
.tabs-css input:checked + label{background:var(--navy);color:#fff;}
.tabs-css .tab-panel{display:none;}
.tabs-css .tab-labels{text-align:center;}

/* ---------- 長條圖比較(vs鍛造鋼 B版) ---------- */
.bar-compare{max-width:760px;margin:0 auto;}
.bar-row{margin-bottom:24px;}
.bar-row .label{font-size:13.5px;font-weight:700;color:var(--text-dark);margin-bottom:8px;}
.bar-track{position:relative;height:12px;background:var(--gray-bg2);border-radius:6px;overflow:hidden;}
.bar-fill{position:absolute;top:0;left:0;height:12px;border-radius:6px;}
.bar-fill.win{background:var(--navy);}
.bar-fill.lose{background:#b7bfc9;}
.bar-legend{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-gray);margin-top:6px;}
.bar-legend .win-txt{color:var(--navy);font-weight:700;}

/* ---------- 編輯式整行案例(案例研究 B版) ---------- */
.case-row{display:flex;gap:36px;align-items:center;padding:30px 0;border-bottom:1px solid var(--border-light);}
.case-row:last-child{border-bottom:none;}
.case-row .case-icon{flex:none;width:104px;height:104px;border-radius:50%;background:var(--gray-bg2);display:flex;align-items:center;justify-content:center;}
.case-row .case-txt{flex:1 1 auto;}
.case-row .case-txt h4{margin:0 0 8px;color:var(--navy);font-size:15.5px;font-weight:800;}
.case-row .case-txt p{margin:0;font-size:13px;color:var(--text-gray);}
.case-row .case-stat{flex:none;text-align:center;min-width:100px;}
.case-row .case-stat .num{font-size:24px;font-weight:800;color:var(--accent-green);}
.case-row .case-stat .lbl{font-size:11px;color:var(--text-gray);}

/* ---------- 手風琴 FAQ(details/summary,B版) ---------- */
.acc-item{border-bottom:1px solid var(--border-light);}
.acc-item summary{cursor:pointer;padding:16px 4px;font-weight:700;color:var(--navy);font-size:14.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary .plus{flex:none;font-size:18px;color:var(--navy);}
.acc-item[open] summary .plus{transform:rotate(45deg);}
.acc-item .a{padding:0 4px 16px;color:var(--text-gray);font-size:13.5px;}

@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .split-band .split,.split-band .split.reverse{flex-direction:column;}
  .split-band .txt-side{padding:40px 28px;}
  nav.main-nav{display:none;}
  .hero-photo h1{font-size:32px;}
  .compare-wrap{grid-template-columns:1fr;}
  .timeline::before{left:16px;}
  .tl-item,.tl-item:nth-child(odd),.tl-item:nth-child(even){width:100%;left:0;text-align:left;padding:0 0 28px 44px;}
  .tl-item:nth-child(odd) .tl-dot,.tl-item:nth-child(even) .tl-dot{left:9px;right:auto;}
  .case-row{flex-direction:column;text-align:center;}
}