/* ==========================================================================
   Concordion Capital 前台共用樣式（Phase 3 — Yii2 動態版）
   延續 concordion-capital-home-v12.html 的金色／米白品牌視覺語言。
   ========================================================================== */
:root{
  --gold:#b8862a; --gold-deep:#8a641a; --gold-light:#e3c894; --gold-tint:#f6ecd8;
  --brand-dark:#3a2c1a; --brand-darker:#241a10; --ink:#241f16; --paper:#ffffff; --cream:#fbf7ee;
  --line:rgba(36,31,22,.12); --line-on-dark:rgba(255,255,255,.2); --steel:#6b6255;
  --seg-finance:#1f4e8c; --seg-finance-2:#3572c4;
  --seg-mining:#4b5c34; --seg-mining-2:#71865a;
  --seg-invest:#a9791f; --seg-invest-2:#d9a83c;
  --serif:'Source Serif 4','Noto Serif TC',serif;
  --sans:'Inter','Noto Sans TC',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --maxw:1320px; --h2-size:clamp(28px,3.2vw,40px);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans); color:var(--ink); background:var(--paper); line-height:1.62; -webkit-font-smoothing:antialiased; overflow-x:hidden;}
img,svg,video{display:block; max-width:100%;}
a{color:inherit; text-decoration:none;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 40px;}
.eyebrow{font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--gold-deep); font-weight:700; display:flex; align-items:center; gap:9px;}
.eyebrow::before{content:""; width:20px; height:2px; background:var(--gold); display:inline-block;}
.eyebrow.on-dark{color:var(--gold-light);}
.eyebrow.on-dark::before{background:var(--gold-light);}
h1,h2,h3{font-family:var(--serif); font-weight:600; letter-spacing:-.008em; color:var(--brand-darker);}
.section-title{font-size:var(--h2-size); line-height:1.2;}
.btn{display:inline-flex; align-items:center; gap:10px; padding:13px 26px; font-size:13px; font-weight:700; border:1.5px solid var(--gold-deep); color:var(--gold-deep); background:none; cursor:pointer;}
.btn:hover{background:var(--gold-deep); color:var(--paper);}
.btn.solid{background:var(--gold); color:var(--paper); border-color:var(--gold);}
.btn.solid:hover{background:var(--gold-deep);}
.btn.on-dark{color:var(--paper); border-color:rgba(255,255,255,.6);}
.btn.on-dark:hover{background:var(--paper); color:var(--brand-darker);}

/* header / hamburger nav */
.site-header{position:fixed; top:0; left:0; right:0; z-index:200; background:rgba(36,26,16,0); transition:background .35s ease;}
.site-header.scrolled{background:rgba(36,26,16,.94); backdrop-filter:blur(8px);}
.header-inner{max-width:var(--maxw); margin:0 auto; padding:18px 40px; display:flex; align-items:center; justify-content:space-between; gap:24px;}
.logo{display:flex; align-items:center; gap:11px; color:var(--paper);}
.logo-mark{width:32px; height:32px;}
.logo-text{font-family:var(--serif); font-size:20px; font-weight:600;}
.logo-text small{display:block; font-family:var(--sans); font-size:10px; letter-spacing:.2em; color:var(--gold-light); font-weight:600; margin-top:3px;}
.header-right{display:flex; align-items:center; gap:22px;}
.lang-switch{display:flex; align-items:center; gap:2px; font-size:13px; color:rgba(255,255,255,.72);}
.lang-switch a{padding:6px 7px; font-size:12.5px;}
.lang-switch a.active{color:var(--paper); font-weight:700;}
.nav-toggle{display:flex; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
.nav-toggle span{width:24px; height:1.5px; background:var(--paper);}
.mega-nav{position:fixed; inset:0; z-index:190; background:var(--brand-darker); display:flex; flex-direction:column; justify-content:center; padding:100px 10vw 60px; gap:6px; transform:translateY(-100%); transition:transform .4s cubic-bezier(.6,0,.2,1); opacity:0;}
.mega-nav.open{transform:translateY(0); opacity:1;}
.mega-nav a{color:var(--paper); font-size:clamp(28px,5vw,48px); font-family:var(--serif); padding:14px 0; border-bottom:1px solid var(--line-on-dark); display:block;}

/* generic content page (news detail / cms page) */
.page-hero{background:var(--cream); padding:140px 0 40px;}
.page-hero h1{font-size:clamp(26px,4vw,42px); margin:14px 0;}
.content-section{padding:56px 0 90px;}
.content-body{max-width:820px; margin:0 auto; padding:0 40px;}
.content-body p{font-size:15.5px; color:#3a3327; margin-bottom:20px; line-height:1.75;}
.content-cover{width:100%; aspect-ratio:16/9; overflow:hidden; margin-bottom:30px; background:var(--gold-tint);}
.content-cover img{width:100%; height:100%; object-fit:cover;}

/* news list (search page) */
.news-filters{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:28px;}
.news-filters a{padding:8px 18px; border:1px solid var(--line); font-size:12.5px; font-weight:600; color:var(--steel);}
.news-filters a.active{background:var(--gold-deep); border-color:var(--gold-deep); color:var(--paper);}
.news-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.insight-card{background:var(--paper); border:1px solid var(--line); display:flex; flex-direction:column;}
.insight-thumb{aspect-ratio:16/10; overflow:hidden; background:var(--gold-tint);}
.insight-thumb img{width:100%; height:100%; object-fit:cover;}
.insight-body{padding:16px 18px 20px;}
.insight-meta{display:flex; align-items:center; gap:9px; font-size:11.5px; color:var(--steel); margin-bottom:10px;}
.insight-meta .cat-pill{background:var(--gold-deep); color:var(--paper); padding:3px 9px; font-size:10px; font-weight:700;}
.insight-card h3{font-size:15.5px; font-weight:600; line-height:1.5; color:var(--brand-darker); margin-bottom:10px; font-family:var(--sans);}

/* footer */
.site-footer{background:var(--brand-darker); color:rgba(255,255,255,.7); padding:64px 0 26px;}
.footer-top{display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:44px; border-bottom:1px solid var(--line-on-dark);}
.footer-logo{display:flex; align-items:center; gap:11px; color:var(--paper);}
.footer-cols{display:flex; gap:56px; flex-wrap:wrap;}
.footer-col h4{font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--gold-light); margin-bottom:14px;}
.footer-col a{display:block; font-size:13.5px; color:rgba(255,255,255,.65); margin-bottom:9px;}
.footer-bottom{padding-top:24px; font-size:12px; color:rgba(255,255,255,.42);}

@media (max-width:720px){
  .wrap, .content-body, .header-inner{padding-left:20px; padding-right:20px;}
  .news-grid{grid-template-columns:1fr;}
  .page-hero{padding-top:110px;}
}