:root{
  --ink:#1E2B33;
  --sea:#1F5F75;
  --sea-deep:#163F4F;
  --stone:#5F6A66;
  --mist:#EEF2F1;
  --line:#D3DBD9;
  --paper:#FFFFFF;
  --serif:"Noto Serif TC",serif;
  --sans:"Noto Sans TC",system-ui,sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
p,li,dd{text-wrap:pretty}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:3px solid #7FC4D4;outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* 頁首與選單 */
.site-head{position:absolute;top:0;left:0;right:0;z-index:20}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-family:var(--serif);font-weight:700;font-size:24px;letter-spacing:.12em;color:#fff;text-decoration:none}
.nav{display:flex;gap:30px;list-style:none;align-items:center}
.nav > li{position:relative}
.nav a,.nav button{color:#fff;text-decoration:none;font:inherit;font-size:16px;letter-spacing:.06em;padding:6px 0;border:0;border-bottom:1px solid transparent;background:none;cursor:pointer}
.nav > li > a:hover,.nav button:hover{border-bottom-color:#fff}
.nav [aria-current="page"]{border-bottom-color:#fff}
.sub{display:none;position:absolute;top:100%;left:-18px;min-width:220px;background:#fff;list-style:none;padding:10px 0;border-radius:3px;box-shadow:0 8px 24px rgba(14,32,40,.18)}
.sub a{display:block;color:var(--ink);padding:9px 18px;border:0;font-size:15px}
.sub a:hover{background:var(--mist)}
.has-sub:hover .sub,.has-sub:focus-within .sub,.has-sub.open .sub{display:block}
.nav button::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid #fff;border-bottom:1.5px solid #fff;transform:rotate(45deg);margin:0 0 3px 8px}

/* 首頁主視覺 */
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;color:#fff;background:url(../images/hero.jpg) center 40%/cover no-repeat}
.hero::before,.band::before{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,32,40,.45) 0%,rgba(14,32,40,0) 26%),linear-gradient(90deg,rgba(14,32,40,.62) 0%,rgba(14,32,40,.38) 45%,rgba(14,32,40,0) 75%),linear-gradient(180deg,rgba(14,32,40,0) 50%,rgba(14,32,40,.55) 100%)}
.hero .wrap,.band .wrap{position:relative;width:100%}
.hero .wrap{padding-bottom:72px}
.hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(40px,6.4vw,76px);letter-spacing:.18em;line-height:1.25}
.hero .en{font-size:15px;letter-spacing:.08em;opacity:.85;margin-top:10px}
.hero p.lead{max-width:36em;font-size:18px;margin-top:26px;line-height:1.9;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.btn{display:inline-block;margin-top:30px;padding:13px 30px;background:#fff;color:var(--sea-deep);text-decoration:none;font-weight:500;letter-spacing:.06em;border-radius:3px}
.btn:hover{background:var(--mist)}
.btn.dark{background:var(--sea);color:#fff}
.btn.dark:hover{background:var(--sea-deep)}

/* 內頁橫幅 */
.band{position:relative;min-height:46vh;display:flex;align-items:flex-end;color:#fff;background-position:center;background-size:cover}
.band .wrap{padding-bottom:48px}
.band h1{font-family:var(--serif);font-weight:700;font-size:clamp(32px,4.6vw,54px);letter-spacing:.12em;line-height:1.3}
.band p{max-width:36em;margin-top:12px;font-size:17px;text-shadow:0 1px 8px rgba(0,0,0,.35)}

/* 區塊 */
.section{padding:96px 0}
.section.tint{background:var(--mist)}
.section-title{font-family:var(--serif);font-weight:700;font-size:clamp(28px,3.4vw,40px);letter-spacing:.08em;line-height:1.4}
.section-intro{color:var(--stone);margin-top:14px;max-width:36em}
.more{display:inline-block;margin-top:18px;color:var(--sea);font-weight:500;text-decoration:none;border-bottom:1px solid var(--sea)}
.more:hover{color:var(--sea-deep)}
.more::after{content:"›";display:inline-block;margin-left:6px;transition:transform .15s}
.more:hover::after{transform:translateX(3px)}

/* 服務列表（首頁與總覽） */
.svc-list{list-style:none;margin-top:48px;border-top:1px solid var(--line)}
.svc-list li{display:grid;grid-template-columns:4fr 7fr 2fr;gap:40px;align-items:baseline;padding:34px 0;border-bottom:1px solid var(--line)}
.svc-list h3{font-family:var(--serif);font-weight:700;font-size:24px;letter-spacing:.06em;line-height:1.45}
.svc-list p{max-width:34em}
.svc-list .more{margin-top:0;justify-self:end;white-space:nowrap}

/* 長文 */
.story{max-width:40em}
.story h2{font-family:var(--serif);font-weight:700;font-size:clamp(26px,3vw,34px);letter-spacing:.08em;line-height:1.5}
.story p{margin-top:20px}
.story .sign{margin-top:28px;color:var(--stone);text-align:right}
.story .sign a{color:var(--sea);text-decoration:none;border-bottom:1px solid var(--sea)}
.story .sign a:hover{color:var(--sea-deep)}

/* 經驗領域 */
.exp-list{list-style:none;margin-top:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}
.exp-list li{font-family:var(--serif);font-weight:500;font-size:21px;padding:18px 0;border-bottom:1px solid var(--line)}

/* 關於：三段特色 */
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:48px}
.pillar h3{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.06em;color:var(--sea);border-top:2px solid var(--sea);padding-top:14px}
.pillar p{margin-top:12px;font-size:16px}

/* 關於：沿革與圖 */
.intro-grid{display:grid;grid-template-columns:6fr 5fr;gap:64px;align-items:center}
.intro-grid p{margin-top:20px;max-width:34em}
.hexfig svg{width:100%;height:auto;display:block}

/* 後山 */
.poem-box{position:relative;min-height:440px;border-radius:3px;overflow:hidden;background:url(../images/coast.jpg) center/cover no-repeat;display:flex;justify-content:center;align-items:center}
.poem-box::before{content:"";position:absolute;inset:0;background:rgba(16,40,50,.42)}
.poem{position:relative;writing-mode:vertical-rl;font-family:var(--serif);font-weight:500;color:#fff;font-size:21px;line-height:2.3;letter-spacing:.32em;height:340px}
.story-grid{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:start}

/* 行動呼籲 */
.cta{background:var(--sea);color:#fff;padding:64px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px}
.cta h2{font-family:var(--serif);font-weight:700;font-size:clamp(24px,2.8vw,32px);letter-spacing:.06em}
.cta p{color:rgba(255,255,255,.82);margin-top:6px}
.cta .btn{margin-top:0;white-space:nowrap}

/* 頁尾 */
.site-foot{background:var(--sea-deep);color:#fff;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:5fr 4fr 3fr;gap:48px}
.foot-grid.no-contact{display:block}
.foot-grid.no-contact .foot-links{display:flex;flex-wrap:wrap;gap:8px 28px}
.foot-name{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.1em}
.site-foot dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:15px}
.site-foot dt{color:rgba(255,255,255,.62)}
.site-foot a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.site-foot a:hover{border-bottom-color:#fff}
.foot-cta{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:.06em}
.foot-cta-sub{font-size:15px;color:rgba(255,255,255,.75);margin:4px 0 16px}
.foot-links{list-style:none;font-size:15px;display:grid;gap:6px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.18);margin-top:48px;padding-top:20px;font-size:14px;color:rgba(255,255,255,.6)}

/* 負責人與實績（1151111 形象網站版） */
.owner{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:center}
.owner img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:50%;display:block}
.owner-role{color:var(--sea);font-weight:500;letter-spacing:.12em}
.owner .section-title{margin-top:4px}
.owner-cred{color:var(--stone);margin-top:12px}
.nw{white-space:nowrap}
.owner p{max-width:36em}
.owner p + p{margin-top:16px}
.record{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;margin-top:40px}
.record h3{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.06em;color:var(--sea);border-top:2px solid var(--sea);padding-top:14px}
.record ul{list-style:none;margin-top:8px}
.record li{padding:12px 0;border-bottom:1px solid var(--line)}

/* 第二批：服務頁、專案、聯絡、簡介（1151111） */
.lead-block{max-width:46em}
.lead-block p{margin-top:20px}
.item-list{list-style:none;margin-top:40px;border-top:1px solid var(--line)}
.item-list li{display:grid;grid-template-columns:4fr 9fr;gap:40px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line)}
.item-list h3{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.05em;line-height:1.5}
.item-list p{max-width:38em}
.point-list{list-style:none;margin-top:32px;display:grid;gap:14px;max-width:44em}
.point-list li{padding-left:22px;position:relative}
.point-list li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:8px;background:var(--sea);border-radius:50%}
.topic-list{list-style:none;margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}
.topic-list li{border:1px solid var(--sea);color:var(--sea-deep);padding:6px 18px;border-radius:999px;font-size:16px;background:var(--paper)}
.flow{list-style:none;counter-reset:f;margin-top:40px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:28px}
.flow li{counter-increment:f;border-top:2px solid var(--sea);padding-top:14px}
.flow li::before{content:"0" counter(f);display:block;font-family:var(--serif);font-weight:700;font-size:28px;color:var(--sea);line-height:1.2}
.flow h3{font-family:var(--serif);font-weight:700;font-size:20px;margin-top:6px;letter-spacing:.05em}
.flow p{font-size:16px;margin-top:6px}
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:64px;align-items:start}
.en-name{color:var(--stone);margin-top:6px;letter-spacing:.04em}
.contact-dl{display:grid;grid-template-columns:auto 1fr;gap:16px 28px;font-size:18px;align-items:baseline}
.contact-dl dt{color:var(--stone);font-size:15px;letter-spacing:.06em}
.contact-dl a{color:var(--sea-deep);text-decoration:none;border-bottom:1px solid var(--line)}
.contact-dl a:hover{border-bottom-color:var(--sea)}
.contact-dl.small{font-size:16px;gap:8px 20px;margin-top:20px}
.owner-lead{font-family:var(--serif);font-weight:500;font-size:21px;line-height:1.8;margin-top:8px}
.stats-band{background:var(--sea);color:#fff;padding:48px 0}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;text-align:center}
.stats .num{font-family:var(--serif);font-weight:700;font-size:44px;line-height:1.2}
.stats p:last-child{font-size:15px;color:rgba(255,255,255,.82);margin-top:4px}
.cv-row{display:grid;grid-template-columns:3fr 9fr;gap:40px;padding:36px 0;border-top:1px solid var(--line)}
.cv-row:first-child{border-top:0;padding-top:0}
.cv-row h2{font-family:var(--serif);font-weight:700;font-size:24px;letter-spacing:.08em;color:var(--sea-deep);line-height:1.5}
.cv-list{list-style:none;display:grid;gap:10px}
.cv-list.ref{gap:16px}
.cv-list.ref li{font-size:15px;line-height:1.75;padding-left:2em;text-indent:-2em;overflow-wrap:anywhere}
.cv-list a{color:var(--sea)}
.sub-line{display:block;color:var(--stone);font-size:15px}

@media (max-width:900px){
  .item-list li{grid-template-columns:1fr;gap:8px;padding:24px 0}
  .flow{grid-template-columns:1fr;gap:20px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .contact-dl{font-size:16px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .stats .num{font-size:36px}
  .cv-row{grid-template-columns:1fr;gap:14px;padding:28px 0}
  .owner{grid-template-columns:1fr;gap:28px}
  .owner img{max-width:220px}
  .owner-cred{font-size:15px}
  .record{grid-template-columns:1fr;gap:36px}
  body{font-size:16px}
  .nav{gap:16px}
  .nav a,.nav button{font-size:15px}
  .sub{left:auto;right:-8px}
  .hero{min-height:82vh}
  .hero .wrap{padding-bottom:48px}
  .hero h1{letter-spacing:.12em}
  .band{min-height:38vh}
  .section{padding:68px 0}
  .svc-list li{grid-template-columns:1fr;gap:10px;padding:28px 0}
  .svc-list .more{justify-self:start}
  .exp-list{grid-template-columns:1fr}
  .exp-list li{font-size:19px}
  .pillars{grid-template-columns:1fr;gap:28px}
  .intro-grid,.story-grid{grid-template-columns:1fr;gap:40px}
  .poem-box{min-height:360px}
  .poem{font-size:19px;height:300px}
  .cta .wrap{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:480px){
  .logo{font-size:19px;letter-spacing:.08em}
  .nav{gap:12px}
  .nav a,.nav button{font-size:14px;letter-spacing:.02em}
}