/* ============================================
   銳思科顧問有限公司 - 企業數智化轉型官網
   Risk Thinktech Consultancy Website Styles
   ────────────────────────────────────────────
   色彩系統（以 LOGO 紅/黑為基底，延伸搭配色）：
   品牌紅 #E31837（主色/行動/重點）
   品牌黑 #000000（底色/對比）
   深海軍藍 #0E2A47（專業/科技/資訊 — 輔助色）
   琥珀金 #C9A24B（成就/認證/里程碑 — 點綴色）
   語義狀態色（工業安全通用語義）：
     安全綠 #1E9E63（通過/已完成）
     警示橙 #E07B2E（待強化/警告）
     資訊藍 #2E6FF2（提示/資訊）
   ============================================ */

:root{
  /* 品牌紅 */
  --red:#E31837;
  --red-dark:#B5122D;
  --red-deep:#8F0E23;
  --red-bright:#FF3B5C;
  /* 品牌黑 */
  --black:#000000;
  --black-soft:#111111;
  --black-mid:#1C1C1E;
  /* 深海軍藍（輔助色） */
  --navy:#0E2A47;
  --navy-deep:#081C30;
  --navy-mid:#15365C;
  --navy-soft:#EAF0F8;
  /* 琥珀金（點綴色） */
  --gold:#C9A24B;
  --gold-deep:#A67F2E;
  --gold-soft:rgba(201,162,75,.12);
  /* 語義狀態色 */
  --success:#1E9E63;
  --success-bg:rgba(30,158,99,.12);
  --warn:#E07B2E;
  --warn-bg:rgba(224,123,46,.12);
  --info:#2E6FF2;
  --info-bg:rgba(46,111,242,.10);
  /* 中性色 */
  --grey-text:#535355;
  --grey-light:#8E8E93;
  --grey-line:#E5E5EA;
  --bg-tint:#F5F5F7;
  --bg-off:#FAFAFA;
  --bg-grey:#F0F0F0;
  --white:#FFFFFF;
  --shadow:0 2px 14px rgba(0,0,0,.07);
  --shadow-lg:0 8px 30px rgba(0,0,0,.10);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Source Sans 3',-apple-system,'Segoe UI','Microsoft JhengHei',sans-serif;
  color:var(--black-soft);
  background:var(--white);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--red-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--red)}
img{max-width:100%;display:block}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:3px solid rgba(227,24,55,.55);outline-offset:2px;border-radius:4px}
.container{max-width:1240px;margin:0 auto;padding:0 32px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--grey-line);
  box-shadow:0 1px 0 rgba(0,0,0,.02);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:24px}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:22px;letter-spacing:-.3px;color:var(--black)}
.logo img{height:70px;width:auto;display:block}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:var(--black-soft);font-weight:500;font-size:16px;position:relative;padding:6px 0}
.main-nav a:hover{color:var(--red-dark)}
.main-nav a.active{color:var(--red-dark)}
.main-nav a.active::after{content:"";position:absolute;bottom:-4px;left:0;right:0;height:3px;background:var(--red);border-radius:2px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:15px;padding:11px 24px;
  border-radius:6px;border:2px solid transparent;cursor:pointer;
  transition:all .2s;text-decoration:none;
}
.btn-primary{background:var(--red);color:#fff;border-color:var(--red)}
.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--red-dark);border-color:var(--red)}
.btn-outline:hover{background:var(--red);color:#fff}
.btn-light{background:#fff;color:var(--black-soft)}
.btn-light:hover{background:var(--bg-tint)}
.btn-black{background:var(--black);color:#fff}
.btn-black:hover{background:var(--black-mid)}
.menu-toggle{display:none;background:none;border:none;font-size:26px;color:var(--black-soft);cursor:pointer}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:var(--black);
  color:#fff;
  overflow:hidden;
  min-height:720px;
  display:flex;align-items:center;
}
/* 主視覺動感：Ken Burns 緩慢縮放平移（全站主視覺共用） */
@keyframes heroKenBurns{
  from{transform:scale(1.02) translate(0,0)}
  to{transform:scale(1.16) translate(-1.4%,-1.2%)}
}
.hero-media{
  position:absolute;inset:0;z-index:1;
  background-size:cover;background-position:center;
  opacity:.82;
  animation:heroKenBurns 20s ease-in-out infinite alternate;
  will-change:transform;
}
/* 斜向掃光：一束微光緩慢掃過主視覺，營造專業科技感 */
@keyframes heroSheen{
  0%{transform:translateX(-160%) skewX(-18deg)}
  55%,100%{transform:translateX(320%) skewX(-18deg)}
}
.hero-overlay::before{
  content:"";position:absolute;top:-18%;bottom:-18%;left:0;width:30%;
  background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.075) 50%,transparent 100%);
  transform:translateX(-160%) skewX(-18deg);
  animation:heroSheen 9s ease-in-out infinite;
  pointer-events:none;
}
/* 主視覺文字階梯入場：eyebrow → 標題 → 副標 → CTA → 數據 */
@keyframes heroFadeUp{
  from{opacity:0;transform:translateY(28px)}
  to{opacity:1;transform:translateY(0)}
}
.hero .container>*{
  opacity:0;
  animation:heroFadeUp .95s cubic-bezier(.22,.61,.36,1) forwards;
}
.hero .container>*:nth-child(1){animation-delay:.05s}
.hero .container>*:nth-child(2){animation-delay:.22s}
.hero .container>*:nth-child(3){animation-delay:.40s}
.hero .container>*:nth-child(4){animation-delay:.58s}
.hero .container>*:nth-child(5){animation-delay:.76s}
.hero-overlay{
  position:absolute;inset:0;z-index:2;
  background:
    linear-gradient(180deg,rgba(5,14,26,.34) 0%,rgba(5,14,26,0) 36%),
    linear-gradient(108deg,rgba(6,16,30,.88) 0%,rgba(8,24,44,.6) 44%,rgba(118,12,32,.3) 74%,rgba(227,24,55,.12) 100%);
}
/* 子頁 Hero：以深海軍藍漸層取代紅黑，與首頁層次區隔 */
.hero-navy .hero-overlay{
  background:
    linear-gradient(180deg,rgba(5,14,26,.32) 0%,rgba(5,14,26,0) 38%),
    linear-gradient(108deg,rgba(6,18,34,.9) 0%,rgba(10,32,56,.58) 46%,rgba(14,52,86,.3) 74%,rgba(227,24,55,.14) 100%);
}
@media (prefers-reduced-motion:reduce){
  .hero-media,.about-hero-media,.post-hero-media{animation:none}
  .hero-overlay::before{animation:none;opacity:0}
  .hero .container>*,.about-hero .container>*,.post-hero .container>*{opacity:1;transform:none;animation:none}
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:3;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:80px 80px;
  mask:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);
  -webkit-mask:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);
  pointer-events:none;
}
.hero .container{position:relative;z-index:4;padding:110px 32px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--red-bright);
  margin-bottom:24px;
}
.hero-eyebrow::before{content:"";width:32px;height:2px;background:var(--red-bright)}
.hero h1{
  font-size:54px;line-height:1.12;font-weight:700;
  letter-spacing:-1px;margin-bottom:24px;max-width:780px;
}
.hero h1 .accent{color:var(--red-bright)}
.hero-sub{
  font-size:20px;line-height:1.6;color:rgba(255,255,255,.85);
  max-width:660px;margin-bottom:40px;font-weight:300;
}
.hero-cta{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.hero-stats{
  margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  padding-top:36px;border-top:1px solid rgba(255,255,255,.12);max-width:920px;
}
.hero-stat .num{font-size:34px;font-weight:700;color:var(--gold);line-height:1}
.hero-stat .lbl{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px}

/* ===== Section base ===== */
section{padding:88px 0}
.section-head{margin-bottom:56px;max-width:820px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase;
  color:var(--red-dark);margin-bottom:16px;
}
.section-eyebrow::before{content:"";width:28px;height:2px;background:var(--red)}
.section-title{font-size:38px;font-weight:700;line-height:1.2;letter-spacing:-.5px;color:var(--black-soft)}
.section-intro{font-size:18px;color:var(--grey-text);margin-top:18px;font-weight:300}
.center{text-align:center;margin:0 auto}
.center .section-eyebrow{justify-content:center}

/* ===== Roadmap ===== */
.roadmap{background:var(--white);border-top:1px solid var(--grey-line);border-bottom:1px solid var(--grey-line)}
.roadmap-wrap{background:var(--bg-off);border-radius:16px;padding:48px;box-shadow:var(--shadow)}
.roadmap-svg{width:100%;height:auto}
.roadmap-note{
  margin-top:36px;padding:24px 28px;background:#fff;border-radius:10px;
  border-left:4px solid var(--red);color:var(--grey-text);font-size:16px;line-height:1.65;
}
.roadmap-note strong{color:var(--black-soft)}

/* ===== Transformation narrative ===== */
.narrative{background:var(--black);color:#fff}
.narrative .section-title{color:#fff}
.narrative .section-intro{color:rgba(255,255,255,.7)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;position:relative}
.timeline::before{content:"";position:absolute;top:40px;left:5%;right:5%;height:2px;background:linear-gradient(90deg,rgba(255,59,92,.65) 0%,rgba(255,255,255,.25) 55%,rgba(201,162,75,.65) 100%)}
.tl-step{text-align:center;padding:0 16px;position:relative}
.tl-dot{
  width:80px;height:80px;border-radius:50%;
  background:var(--black);border:3px solid var(--red);
  margin:0 auto 24px;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:2;color:var(--red-bright);
}
.tl-dot .n{font-size:26px;font-weight:700}
.tl-step h4{font-size:20px;font-weight:600;margin-bottom:10px}
.tl-step p{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.6}
.tl-step:nth-child(1) .tl-dot{border-color:var(--red-bright)}
.tl-step:nth-child(2) .tl-dot{border-color:var(--red)}
.tl-step:nth-child(3) .tl-dot{border-color:var(--red-dark);background:var(--red-deep)}
.tl-step:nth-child(4) .tl-dot{border-color:var(--gold);background:var(--navy-deep);color:var(--gold)}

/* ===== Product flagship (AI-JSA) ===== */
.flagship{background:var(--bg-tint)}
.flagship-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.flagship-visual{
  position:relative;border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:linear-gradient(160deg,var(--navy-deep) 0%,var(--navy) 55%,var(--black-mid) 100%);
  padding:40px;color:#fff;min-height:460px;
  display:flex;flex-direction:column;justify-content:space-between;
}
.flagship-visual::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 10%,rgba(227,24,55,.25),transparent 50%);
}
.flagship-badge{
  position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;
  background:rgba(227,24,55,.18);border:1px solid rgba(227,24,55,.4);
  color:var(--red-bright);font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:20px;width:fit-content;
}
.flagship-visual h3{position:relative;z-index:1;font-size:26px;margin:24px 0 8px;font-weight:700}
.flagship-visual p{position:relative;z-index:1;color:rgba(255,255,255,.75);font-size:14px;line-height:1.6;margin-bottom:24px}
.audit-dashboard{position:relative;z-index:1;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:18px}
.audit-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:13px}
.audit-row:last-child{border-bottom:none}
.audit-row span:first-child{color:rgba(255,255,255,.9);display:flex;align-items:center;gap:8px}
.audit-dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.audit-pass{color:var(--success);font-weight:600}
.audit-warn{color:var(--warn);font-weight:600}
.flagship-content h2{font-size:36px;font-weight:700;line-height:1.2;margin-bottom:20px;color:var(--black-soft)}
.flagship-content p{color:var(--grey-text);font-size:17px;margin-bottom:16px;line-height:1.7}
.feature-list{list-style:none;margin:24px 0 32px}
.feature-list li{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px;color:var(--black-soft);font-size:16px}
.feature-list .check{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:rgba(227,24,55,.12);color:var(--red-dark);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-top:1px;
}

/* ===== Three products grid ===== */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{
  background:#fff;border:1px solid var(--grey-line);border-radius:10px;
  padding:40px 32px;transition:all .25s;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.product-card:hover::before{transform:scaleX(1)}
.product-icon{
  width:56px;height:56px;border-radius:10px;
  background:linear-gradient(135deg,rgba(227,24,55,.1),rgba(227,24,55,.04));
  display:flex;align-items:center;justify-content:center;
  color:var(--red-dark);margin-bottom:24px;
}
/* 產品矩陣色彩層次：旗艦紅 / 分析藍 / 合規金 */
.products-grid .product-card:nth-child(2) .product-icon{background:linear-gradient(135deg,rgba(14,42,71,.12),rgba(14,42,71,.04));color:var(--navy)}
.products-grid .product-card:nth-child(3) .product-icon{background:linear-gradient(135deg,rgba(201,162,75,.18),rgba(201,162,75,.05));color:var(--gold-deep)}
.products-grid .product-card:nth-child(2)::before{background:var(--navy)}
.products-grid .product-card:nth-child(3)::before{background:var(--gold)}
.product-icon svg{width:30px;height:30px}
.product-tag{
  font-size:12px;font-weight:700;letter-spacing:.5px;
  color:var(--red-dark);text-transform:uppercase;margin-bottom:10px;
}
.product-card h3{font-size:23px;font-weight:700;margin-bottom:14px;color:var(--black-soft);line-height:1.25}
.product-card p{color:var(--grey-text);font-size:15.5px;line-height:1.65;margin-bottom:24px;flex:1}
.product-link{font-weight:600;color:var(--red-dark);font-size:15px;display:inline-flex;align-items:center;gap:6px}
.product-link:hover{gap:10px;transition:gap .2s}
.agency-toggle{background:none;border:none;padding:0;cursor:pointer;font-family:inherit}
.agency-toggle:focus{outline:2px solid var(--red);outline-offset:2px}
.agency-detail{display:none;margin-top:28px;padding-top:28px;border-top:1px solid var(--grey-line);animation:agencyOpen .25s ease}
@keyframes agencyOpen{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.agency-detail-inner h4{font-size:17px;font-weight:700;color:var(--black-soft);margin:22px 0 10px}
.agency-detail-inner h4:first-child{margin-top:0}
.agency-detail-inner p{font-size:14.5px;line-height:1.7;color:var(--grey-text);margin-bottom:14px}
.agency-detail-inner ul{list-style:none;padding:0;margin:0 0 18px}
.agency-detail-inner li{position:relative;padding-left:20px;font-size:14.5px;color:var(--grey-text);line-height:1.7;margin-bottom:8px}
.agency-detail-inner li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--red)}
.agency-detail-inner strong{color:var(--black-soft)}
.agency-note{margin-top:20px;padding:13px 16px;background:var(--navy-soft);border-left:3px solid var(--red);border-radius:0 10px 10px 0;font-size:14px;font-weight:600;color:var(--red-dark);line-height:1.6}
.verified-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--gold-soft);color:var(--gold-deep);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:12px;
  margin-bottom:16px;border:1px solid rgba(201,162,75,.35);
}

/* ===== Split sections ===== */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.service-list{list-style:none}
.service-list li{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--grey-line);
}
.service-list li:last-child{border-bottom:none}
.service-list .s-num{
  font-size:26px;font-weight:300;color:var(--red);flex-shrink:0;
  min-width:42px;font-family:'Source Sans 3';
}
.service-list h4{font-size:18px;font-weight:600;margin-bottom:4px;color:var(--black-soft)}
.service-list p{font-size:14.5px;color:var(--grey-text);line-height:1.55}

/* ===== Insight cards ===== */
.insights{background:var(--bg-off)}
.insights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.insight-card{
  background:#fff;border-radius:10px;overflow:hidden;
  border:1px solid var(--grey-line);transition:all .25s;
  display:flex;flex-direction:column;
}
.insight-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.insight-img{height:200px;position:relative;overflow:hidden;background:var(--bg-grey)}
.insight-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.insight-card:hover .insight-img img{transform:scale(1.05)}
.insight-cat{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(227,24,55,.95);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:4px;letter-spacing:.3px;
}
.insight-body{padding:24px 24px 28px;flex:1;display:flex;flex-direction:column}
.insight-body h4{font-size:18px;font-weight:600;line-height:1.35;margin-bottom:12px;color:var(--black-soft)}
.insight-body p{font-size:14.5px;color:var(--grey-text);line-height:1.6;flex:1}
.insight-date{font-size:13px;color:var(--grey-light);margin-top:16px;font-weight:500}

/* ===== Blog list ===== */
.blog-list{background:var(--white)}
.blog-item{
  display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:28px;
  padding:32px 0;border-bottom:1px solid var(--grey-line);
  align-items:start;transition:all .2s;
}
.blog-item:hover{padding-left:12px}
.blog-item:last-child{border-bottom:none}
.blog-content h3{font-size:20px;font-weight:600;margin-bottom:10px;color:var(--black-soft)}
.blog-content p{font-size:15px;color:var(--grey-text);line-height:1.6}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(115deg,var(--red-deep) 0%,var(--red) 50%,var(--red-dark) 100%);
  color:#fff;text-align:center;padding:80px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 50%,rgba(255,255,255,.1),transparent 50%);
}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{font-size:40px;font-weight:700;margin-bottom:16px;letter-spacing:-.5px}
.cta-band p{font-size:19px;color:rgba(255,255,255,.9);margin-bottom:36px;font-weight:300;max-width:640px;margin-left:auto;margin-right:auto}
.cta-band .btn-light{font-size:16px;padding:14px 32px}

/* ===== Footer ===== */
.site-footer{background:var(--black);color:rgba(255,255,255,.75);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:20px}
.footer-brand .logo img{height:84px;width:auto;background:#fff;padding:6px 8px;border-radius:16px}
.footer-brand p{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.65);max-width:340px}
.footer-col h5{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.3px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.65);font-size:14.5px}
.footer-col a:hover{color:var(--red-bright)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.contact-line{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.75)}
.contact-line svg{width:18px;height:18px;color:var(--red-bright);flex-shrink:0}

/* ===== About page extras ===== */
.about-hero{
  position:relative;overflow:hidden;
  background:var(--navy-deep);
  color:#fff;padding:120px 0 90px;
}
.about-hero-media{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center 32%;
  opacity:.85;
  animation:heroKenBurns 20s ease-in-out infinite alternate;
  will-change:transform;
}
.about-hero-overlay{
  position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg,rgba(5,14,26,.28) 0%,rgba(5,14,26,0) 40%),
    linear-gradient(108deg,rgba(6,18,34,.9) 0%,rgba(10,32,56,.6) 48%,rgba(118,12,32,.26) 76%,rgba(227,24,55,.1) 100%);
}
.about-hero-overlay::before{
  content:"";position:absolute;top:-18%;bottom:-18%;left:0;width:30%;
  background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.07) 50%,transparent 100%);
  transform:translateX(-160%) skewX(-18deg);
  animation:heroSheen 9s ease-in-out infinite;
  pointer-events:none;
}
.about-hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:80px 80px;
  mask:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);
  -webkit-mask:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);
}
.about-hero .container{position:relative;z-index:2}
.about-hero .container>*{
  opacity:0;
  animation:heroFadeUp .95s cubic-bezier(.22,.61,.36,1) forwards;
}
.about-hero .container>*:nth-child(1){animation-delay:.05s}
.about-hero .container>*:nth-child(2){animation-delay:.22s}
.about-hero .container>*:nth-child(3){animation-delay:.4s}
.about-hero h1{font-size:48px;font-weight:700;margin-bottom:18px;max-width:780px}
.about-hero p{font-size:20px;color:rgba(255,255,255,.8);max-width:640px;font-weight:300}
.news-grid{display:grid;grid-template-columns:1fr;gap:28px;max-width:980px;margin:0 auto}
.news-card{
  background:#fff;border:1px solid var(--grey-line);border-radius:12px;
  overflow:hidden;transition:all .25s;
}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.news-card.featured{display:flex;flex-direction:column}
.news-gallery{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--black-soft);
}
.news-gallery img{
  width:100%;height:280px;object-fit:cover;display:block;
  transition:transform .35s;
}
.news-card:hover .news-gallery img{transform:scale(1.03)}
.news-body{padding:32px}
.news-card h3{font-size:22px;font-weight:700;margin-bottom:14px;color:var(--black-soft);line-height:1.35}
.news-card p{font-size:15.5px;color:var(--grey-text);line-height:1.75}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.news-meta .date{font-size:13.5px;color:var(--red-dark);font-weight:700;letter-spacing:.5px}
.news-meta .tag{
  display:inline-flex;align-items:center;
  background:var(--navy);color:#fff;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:4px;text-transform:uppercase;letter-spacing:.8px;
}
.contact-card{
  background:#fff;border-radius:12px;padding:40px;border:1px solid var(--grey-line);
  box-shadow:var(--shadow);
}
.contact-row{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start}
.contact-row svg{width:22px;height:22px;color:var(--red);flex-shrink:0;margin-top:3px}
.contact-row h5{font-size:16px;font-weight:600;margin-bottom:4px;color:var(--black-soft)}
.contact-row p{font-size:15px;color:var(--grey-text)}

/* ===== Blog list: thumbnails ===== */
.blog-thumb{
  aspect-ratio:16/9;
  border-radius:8px;overflow:hidden;background:var(--bg-grey);
  position:relative;border:1px solid var(--grey-line);
}
.blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.blog-item:hover .blog-thumb img{transform:scale(1.06)}
.blog-meta{display:flex;align-items:center;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.blog-meta .cat{
  display:inline-flex;align-items:center;
  background:rgba(227,24,55,.1);color:var(--red-dark);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:4px;
  text-transform:uppercase;letter-spacing:.5px;
}
.blog-meta .date{font-size:13px;color:var(--grey-light);font-weight:500}
.read-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-weight:600;color:var(--red-dark);font-size:14.5px;
}
.read-more:hover{gap:10px}
.read-more svg{width:16px;height:16px}

/* ===== Blog post page: two-column layout ===== */
.post-hero{
  position:relative;overflow:hidden;
  background:var(--navy-deep);color:#fff;
  padding:88px 0 72px;border-bottom:none;
}
.post-hero-media{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.92;
  animation:heroKenBurns 20s ease-in-out infinite alternate;
  will-change:transform;
}
.post-hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,18,34,.5) 0%,rgba(6,18,34,.14) 42%,rgba(6,18,34,.74) 100%),
    linear-gradient(108deg,rgba(6,18,34,.74) 0%,rgba(9,28,50,.36) 55%,rgba(227,24,55,.1) 100%);
}
.post-hero-scrim::before{
  content:"";position:absolute;top:-18%;bottom:-18%;left:0;width:30%;
  background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.06) 50%,transparent 100%);
  transform:translateX(-160%) skewX(-18deg);
  animation:heroSheen 9s ease-in-out infinite;
  pointer-events:none;
}
.post-hero .container{position:relative;z-index:2}
.post-hero .container>*{
  opacity:0;
  animation:heroFadeUp .95s cubic-bezier(.22,.61,.36,1) forwards;
}
.post-hero .container>*:nth-child(1){animation-delay:.05s}
.post-hero .container>*:nth-child(2){animation-delay:.22s}
.post-hero .container>*:nth-child(3){animation-delay:.4s}
.post-back{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:rgba(255,255,255,.82);margin-bottom:20px;
}
.post-back:hover{color:#fff;gap:10px}
.post-back svg{width:18px;height:18px}
.post-hero h1{
  font-size:38px;line-height:1.22;font-weight:700;letter-spacing:-.5px;
  color:#fff;max-width:760px;margin-bottom:18px;
  text-shadow:0 2px 24px rgba(4,12,24,.45);
}
.post-hero-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:8px}
.post-hero-meta .date{font-size:15px;color:rgba(255,255,255,.75);font-weight:500}
.post-hero-meta .sep{color:rgba(255,255,255,.35);font-weight:300}
.post-hero-meta .cat{
  display:inline-flex;align-items:center;
  background:rgba(227,24,55,.88);color:#fff;
  font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:4px;
  text-transform:uppercase;letter-spacing:.5px;
}

.post-layout{background:var(--white);padding:40px 0 72px}
.post-layout .container{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start;
}
.post-main{min-width:0}
.post-body{font-size:17px;line-height:1.85;color:#2A2A2C}
.post-body::after{content:"";display:table;clear:both}
.post-body h2{
  font-size:27px;font-weight:700;color:var(--black-soft);
  margin:40px 0 16px;line-height:1.3;letter-spacing:-.3px;clear:both;
}
.post-body h2::before{content:"";display:inline-block;width:6px;height:20px;background:var(--red);border-radius:3px;margin-right:12px;vertical-align:-3px}
.post-body h3{font-size:20px;font-weight:600;color:var(--black-soft);margin:30px 0 12px;line-height:1.35;clear:both}
.post-body p{margin-bottom:18px}
.post-body strong{color:var(--black);font-weight:700}
.post-body ul,.post-body ol{margin:0 0 20px 24px}
.post-body li{margin-bottom:8px;font-size:16.5px;line-height:1.7;color:#2A2A2C}
.post-body blockquote{
  margin:28px 0;padding:22px 28px;border-left:4px solid var(--red);
  background:var(--bg-tint);border-radius:0 8px 8px 0;color:var(--grey-text);font-size:17px;line-height:1.7;
}
.post-body figure,
.post-body .post-img{
  float:right;width:46%;margin:8px 0 22px 28px;border-radius:10px;overflow:hidden;
  box-shadow:var(--shadow);background:var(--bg-grey);
}
.post-body figure img,
.post-body .post-img img{width:100%;height:auto;display:block}
.post-body figure figcaption{font-size:13px;color:var(--grey-light);padding:10px 14px;background:#fff}

.post-nav-inline{
  clear:both;margin-top:42px;padding-top:28px;border-top:1px solid var(--grey-line);
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
/* 僅剩上一篇或下一篇時，單一連結拉滿整行 */
.post-nav-inline .post-nav-link:only-child{grid-column:1 / -1}
.post-nav-link{
  background:var(--bg-off);border:1px solid var(--grey-line);border-radius:10px;
  padding:18px 22px;display:flex;flex-direction:column;gap:8px;justify-content:center;
  transition:all .25s;text-decoration:none;
}
.post-nav-link:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--red)}
.post-nav-link.right{text-align:right;align-items:flex-end;margin-left:auto}
.nav-dir{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:var(--red-dark);
}
.nav-dir svg{width:14px;height:14px}
.nav-title{font-size:15px;font-weight:600;color:var(--black-soft);line-height:1.4}

/* Sidebar */
.post-sidebar{position:sticky;top:110px}
.sidebar-block{
  background:var(--bg-off);border:1px solid var(--grey-line);border-radius:12px;
  padding:26px 24px;margin-bottom:24px;
}
.sidebar-block h4{
  font-size:17px;font-weight:700;color:var(--black-soft);margin-bottom:18px;
  padding-bottom:12px;border-bottom:2px solid var(--red);display:inline-block;
}
.cat-list{list-style:none}
.cat-list li{margin-bottom:8px}
.cat-list a{
  display:block;color:var(--grey-text);font-size:15px;font-weight:500;
  padding:6px 0;transition:all .2s;
}
.cat-list a:hover{color:var(--red-dark);padding-left:6px}
.sidebar-block.subscribe{background:linear-gradient(160deg,var(--navy-soft),#fff);border-color:rgba(14,42,71,.14)}
.sidebar-block.subscribe h4{border-bottom-color:var(--navy);color:var(--navy)}
.sidebar-block.subscribe p{font-size:14px;color:var(--grey-text);line-height:1.6;margin-bottom:16px}
.sidebar-block.subscribe form{display:flex;flex-direction:column;gap:10px}
.sidebar-block.subscribe input{
  width:100%;padding:12px 14px;border:1px solid var(--grey-line);border-radius:6px;
  font-size:14px;background:#fff;color:var(--black-soft);
}
.sidebar-block.subscribe input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(14,42,71,.12)}
.sidebar-block.subscribe .btn{width:100%;justify-content:center;padding:12px}
.latest-list{display:flex;flex-direction:column;gap:14px}
.latest-item{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;text-decoration:none}
.latest-thumb{aspect-ratio:1/1;border-radius:6px;overflow:hidden;background:var(--bg-grey);border:1px solid var(--grey-line)}
.latest-thumb img{width:100%;height:100%;object-fit:cover}
.latest-info{display:flex;flex-direction:column;gap:4px}
.latest-title{font-size:14.5px;font-weight:600;color:var(--black-soft);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.latest-title:hover{color:var(--red-dark)}
.latest-date{font-size:12.5px;color:var(--grey-light);font-weight:500}


/* ===== About: values ===== */
.values{background:var(--white)}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.value-card{
  background:var(--bg-off);border:1px solid var(--grey-line);border-radius:12px;
  padding:36px 28px;transition:all .25s;position:relative;overflow:hidden;
}
.value-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.value-card:nth-child(2)::before{background:var(--gold)}
.value-card:nth-child(3)::before{background:var(--info)}
.value-card:nth-child(4)::before{background:var(--success)}
.value-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);background:#fff}
.value-card:hover::before{transform:scaleX(1)}
.value-icon{
  width:58px;height:58px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  display:flex;align-items:center;justify-content:center;
  color:#fff;margin-bottom:22px;
}
/* 四項核心價值：紅（團隊）、金（安全）、藍（誠信）、綠（成長） */
.value-card:nth-child(1) .value-icon{background:linear-gradient(135deg,#FF3B5C,var(--red-deep))}
.value-card:nth-child(2) .value-icon{background:linear-gradient(135deg,#D9B45C,var(--gold-deep))}
.value-card:nth-child(3) .value-icon{background:linear-gradient(135deg,#2E6FF2,var(--navy))}
.value-card:nth-child(4) .value-icon{background:linear-gradient(135deg,#2FBF7F,var(--success))}
.value-card:nth-child(2) .value-icon{background:linear-gradient(135deg,#D9B45C,var(--gold-deep));color:#3A2E10}
.value-icon svg{width:28px;height:28px}
.value-card h4{font-size:19px;font-weight:700;margin-bottom:12px;color:var(--black-soft)}
.value-card p{font-size:14.5px;color:var(--grey-text);line-height:1.7}

/* ===== Service tabs & cards (consulting page) ===== */
#services{background:var(--bg-off)}
.service-tabs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:40px}
.service-tab{
  background:#fff;border:1px solid var(--grey-line);border-radius:30px;
  padding:11px 24px;font-weight:600;font-size:15px;color:var(--black-soft);
  cursor:pointer;transition:all .2s;font-family:inherit;
}
.service-tab:hover{border-color:var(--red);color:var(--red-dark);transform:translateY(-1px)}
.service-tab.active{background:var(--red);color:#fff;border-color:var(--red);box-shadow:0 4px 16px rgba(227,24,55,.25)}
.service-panel{display:none}
.service-panel.active{display:block}
.service-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:#fff;border:1px solid var(--grey-line);border-radius:12px;
  transition:all .25s;position:relative;overflow:hidden;
  display:flex;flex-direction:column
}
.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.service-img{
  width:100%;height:150px;overflow:hidden;flex-shrink:0
}
.service-img img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .4s ease
}
.service-card:hover .service-img img{transform:scale(1.06)}
.service-body{
  padding:22px 24px 24px;display:flex;flex-direction:column;flex:1
}
.service-body h4{font-size:18px;font-weight:700;margin-bottom:9px;color:var(--black-soft);line-height:1.35}
.service-body>p{font-size:14px;color:var(--grey-text);line-height:1.65;margin-bottom:16px;flex:1}
.service-card-toggle{
  background:none;border:none;color:var(--red-dark);font-weight:600;font-size:14px;
  cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:0;font-family:inherit;width:fit-content;margin-top:auto
}
.service-card-toggle svg{width:14px;height:14px;transition:transform .2s}
.service-card-detail{
  display:none;margin-top:18px;padding-top:18px;border-top:1px dashed var(--grey-line);
  font-size:14px;color:var(--grey-text);line-height:1.75
}
.service-card-detail h5{font-size:15px;font-weight:700;color:var(--black-soft);margin:14px 0 8px}
.service-card-detail h5:first-child{margin-top:0}
.service-card-detail p{margin-bottom:10px}
.service-card-detail ul{list-style:none;margin:8px 0;padding:0}
.service-card-detail li{position:relative;padding-left:18px;margin-bottom:6px}
.service-card-detail li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--red)}
.service-card-detail strong{color:var(--black-soft)}

/* Risk methods */
#risk{background:var(--white)}
.risk-process{
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  margin-bottom:56px;padding:28px;background:var(--bg-off);border-radius:14px;border:1px solid var(--grey-line)
}
.risk-step{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--grey-line);
  border-radius:12px;padding:18px 22px;min-width:180px;box-shadow:var(--shadow);transition:all .2s
}
.risk-step:hover{border-color:var(--navy);transform:translateY(-3px)}
.risk-step-num{
  width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0
}
.risk-step-body h4{font-size:16px;font-weight:700;color:var(--black-soft);margin-bottom:2px}
.risk-step-body span{font-size:13px;color:var(--grey-light);font-weight:500}
.risk-step-arrow{color:var(--grey-light);display:flex;align-items:center}
.risk-step-arrow svg{width:22px;height:22px}
.risk-methods-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.risk-card{
  background:#fff;border:1px solid var(--grey-line);border-radius:12px;
  transition:all .25s;position:relative;overflow:hidden;display:flex;flex-direction:column
}
.risk-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.risk-img{width:100%;height:150px;overflow:hidden;flex-shrink:0}
.risk-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.risk-card:hover .risk-img img{transform:scale(1.06)}
.risk-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.risk-card-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.risk-num{width:34px;height:34px;border-radius:8px;background:var(--navy-soft);color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.risk-card-head h4{font-size:17px;font-weight:700;color:var(--black-soft);line-height:1.3}
.risk-card-lead{font-size:14px;color:var(--grey-text);line-height:1.65;margin-bottom:16px;flex:1}

/* ===== About: project carousel ===== */
.carousel-section{background:var(--bg-off);overflow:hidden}
.carousel{
  position:relative;max-width:1120px;margin:0 auto;
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow-lg);
  background:var(--black);
}
.carousel-viewport{overflow:hidden}
.carousel-track{display:flex;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.carousel-slide{flex:0 0 100%;position:relative}
.carousel-slide img{width:100%;height:560px;object-fit:cover;display:block}
.carousel-caption{
  position:absolute;left:0;right:0;bottom:0;padding:48px 40px 32px;
  background:linear-gradient(to top,rgba(0,0,0,.92) 0%,rgba(0,0,0,.55) 55%,transparent 100%);
  color:#fff;
}
.carousel-caption h4{
  font-size:22px;font-weight:700;margin-bottom:6px;letter-spacing:.2px;
  padding-left:16px;position:relative;
}
.carousel-caption h4::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--red);border-radius:2px;
}
.carousel-caption p{font-size:14.5px;color:rgba(255,255,255,.8);line-height:1.55;max-width:640px}
.carousel-prev,.carousel-next{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.92);color:var(--black-soft);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);transition:all .2s;
}
.carousel-prev{left:20px}
.carousel-next{right:20px}
.carousel-prev:hover,.carousel-next:hover{background:var(--red);color:#fff;transform:translateY(-50%) scale(1.08)}
.carousel-prev svg,.carousel-next svg{width:22px;height:22px}
.carousel-dots{
  position:absolute;bottom:14px;left:50%;transform:translateX(-50%);z-index:5;
  display:flex;gap:8px;
}
.carousel-dot{
  width:10px;height:10px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.45);transition:all .25s;padding:0;
}
.carousel-dot.active{background:var(--red-bright);transform:scale(1.25)}
.carousel-note{
  max-width:820px;margin:22px auto 0;text-align:center;
  font-size:13.5px;color:var(--grey-light);line-height:1.6;
}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero h1{font-size:38px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .flagship-grid,.split-grid{grid-template-columns:1fr;gap:40px}
  .products-grid,.insights-grid,.news-grid{grid-template-columns:1fr;gap:24px}
  .timeline{grid-template-columns:1fr 1fr;gap:48px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .main-nav{display:none}
  .menu-toggle{display:block}
  .nav-open .main-nav{
    display:flex;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:#fff;padding:20px 32px;
    box-shadow:var(--shadow-lg);border-top:1px solid var(--grey-line);gap:0;
  }
  .nav-open .main-nav a{padding:14px 0;border-bottom:1px solid var(--grey-line)}
  section{padding:56px 0}
  .section-title{font-size:28px}
  .cta-band h2{font-size:30px}
  .hero-media{opacity:.55}
  .blog-item{grid-template-columns:1fr;gap:16px}
  .blog-thumb{grid-row:auto}
  .about-hero h1{font-size:36px}
  .values-grid{grid-template-columns:1fr 1fr;gap:20px}
  .post-hero h1{font-size:32px}
  .post-hero{padding:64px 0 52px}
  .post-layout .container{grid-template-columns:1fr;gap:40px}
  .post-sidebar{position:static}
  .post-body figure,.post-body .post-img{float:none;width:100%;margin:18px 0}
  .post-nav-inline{grid-template-columns:1fr;gap:14px}
  .carousel-slide img{height:400px}
  .carousel-caption{padding:32px 24px 44px}
  .service-cards-grid,.risk-methods-grid{grid-template-columns:repeat(2,1fr)}
  .risk-step{min-width:160px}
}
@media(max-width:680px){
  .service-cards-grid,.risk-methods-grid{grid-template-columns:1fr}
  .risk-process{flex-direction:column;align-items:stretch}
  .risk-step{width:100%}
  .risk-step-arrow{transform:rotate(90deg)}
  .service-tabs{gap:8px}
  .service-tab{padding:9px 16px;font-size:14px}
}
@media(max-width:560px){
  body{font-size:16px}
  .container{padding:0 20px}
  .hero{min-height:auto}
  .hero .container{padding:48px 20px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:17px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:40px}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .roadmap-wrap{padding:20px}
  .values-grid{grid-template-columns:1fr}
  .post-hero h1{font-size:27px}
  .carousel-slide img{height:280px}
  .carousel-prev,.carousel-next{width:40px;height:40px}
  .carousel-prev{left:10px}
  .carousel-next{right:10px}
  .carousel-caption h4{font-size:18px}
  .post-body h2{font-size:23px}
}
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.fade-in.show{opacity:1;transform:none}