:root{
  --teal:#1f4d57;
  --teal-d:#18414a;
  --gold:#c19a62;
  --gold-d:#86652f;
  --gold-l:#e6c58c;
  --cream:#faf5ee;
  --ink:#26343a;
  --muted:#5d686b;
  --line:#e5dccd;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;
}
body{padding-top:113px}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
img{max-width:100%;display:block}
svg{display:block}
.container{width:min(1266px,100% - 80px);margin-inline:auto}
.gold{color:#b98a4d}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-size:16px;font-weight:500;letter-spacing:.12em;transition:.2s;border:1px solid transparent;white-space:nowrap}
.btn-sm{width:124px;height:44px;border-radius:8px;font-size:15px;letter-spacing:.1em}
.btn-lg{min-width:184px;height:56px;border-radius:14px;font-size:17px}
.btn-gold{background:linear-gradient(180deg,#9c7539,#8f6a35);color:#fff}
.btn-gold:hover{filter:brightness(.94)}
.btn-dark{background:var(--teal);color:#fff}
.btn-dark:hover{background:var(--teal-d)}
.btn-outline{border-color:#6f8f96;color:var(--teal);background:rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff}
.btn-outline-gold{height:48px;padding:0 30px;border-color:var(--gold);color:var(--gold-d);font-size:15px;letter-spacing:.2em;gap:14px}
.btn-outline-gold:hover{background:var(--gold);color:#fff}
.nav-toggle,.nav-cta-m{display:none}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:#fff}
.header-inner{height:113px;padding:0 50px 0 46px;display:flex;align-items:center;justify-content:space-between;transition:height .25s}
.site-header.scrolled{box-shadow:0 2px 14px rgba(60,50,30,.08)}
.site-header.scrolled .header-inner{height:78px}
.brand{display:flex;align-items:center;gap:16px}
.brand-mark{width:82px;height:82px;object-fit:contain;transition:.25s}
.site-header.scrolled .brand-mark{width:58px;height:58px}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:.08em}
.brand-text em{font-style:normal;font-size:15px;font-weight:500;color:var(--gold);letter-spacing:.1em}
.main-nav{display:flex;gap:38.7px;font-size:15.5px;font-weight:500;color:var(--ink);letter-spacing:.06em}
.main-nav a:hover{color:var(--gold-d)}

/* Hero */
.hero{
  height:491px;
  background:linear-gradient(90deg,#fdfbf7,rgba(253,251,247,0)) right 1260px top 0 / 180px 100% no-repeat,url(assets/hero.svg) right bottom / auto 100% no-repeat,#fdfbf7;
}
.hero-inner{width:min(1266px,100% - 80px);margin-inline:auto;padding:72px 0 0 36px}
.hero h1{font-size:58px;line-height:91px;font-weight:500;letter-spacing:.33em;word-spacing:-.3em;color:#1f2a2e}
.hero h1 .ai{letter-spacing:.2em}
.hero-sub{margin-top:17px;display:flex;align-items:center;gap:14px;font-size:22px;line-height:36px;font-weight:500;letter-spacing:.28em;color:var(--ink)}
.ico-heart{width:30px;height:28px;fill:none;stroke:var(--gold);stroke-width:2}
.hero-actions{display:flex;gap:24px;margin-top:40px}
.hero-actions .btn{height:50px}
.hero-actions .btn-dark{padding:0 30px}
.hero-actions .btn-outline{padding:0 30px;font-size:15px;gap:12px}
.ico-play{width:20px;height:20px}

/* What */
.what{padding:52px 0 39px;background:#fff}
.what-inner{display:grid;grid-template-columns:350px 1fr 1fr;column-gap:27px;align-items:start}
.what-title{padding-top:26px;margin-left:-8px}
.what-title h2{font-size:30px;line-height:42px;font-weight:700;letter-spacing:.3em;color:var(--teal)}
.what-title p{font-size:15px;line-height:26px;font-weight:500;letter-spacing:.37em;color:var(--gold-d);margin-top:4px;white-space:nowrap}
.card{background:var(--cream);border-radius:18px}
.service-card{height:174px;display:flex;gap:35px;padding:26px 18px 0 34px;box-shadow:0 2px 14px rgba(120,90,40,.04)}
.svc-ico{width:64px;height:64px;flex:none;margin-top:12px}
.service-card h3{font-size:19px;line-height:26px;font-weight:600;letter-spacing:.12em;color:var(--teal)}
.service-card p{margin-top:11px;font-size:13px;line-height:24px;font-weight:500;letter-spacing:.05em;white-space:nowrap;color:var(--muted)}
.service-card .link{display:inline-block;margin-top:18px;font-size:13px;line-height:20px;font-weight:600;letter-spacing:.06em;color:var(--teal)}
.service-card .link span{margin-left:8px}

/* Values */
.values{background:var(--teal);color:#fff;padding:30px 0 36px}
.values h2{text-align:center;font-size:27px;line-height:40px;font-weight:500;letter-spacing:.5em;padding-right:1.4em}
.values-grid{width:min(1332px,100%);margin:22px auto 0;transform:translateX(-4px);display:grid;grid-template-columns:repeat(4,1fr)}
.value{position:relative;text-align:center}
.value + .value::before{content:"";position:absolute;left:0;top:5px;height:168px;width:1px;background:rgba(255,255,255,.32)}
.value svg{width:62px;height:62px;margin:0 auto;stroke-width:2.4}
.value h3{margin-top:17px;font-size:20px;line-height:30px;font-weight:600;letter-spacing:.2em;color:var(--gold-l)}
.value p{margin-top:9px;font-size:15px;line-height:30px;font-weight:500;letter-spacing:.18em;color:rgba(255,255,255,.92)}

/* Why */
.why{padding:44px 0 34px;background:#fff}
.why-inner{display:grid;grid-template-columns:1fr minmax(0,667px);align-items:start}
.why-copy h2{font-size:26px;line-height:46px;font-weight:600;letter-spacing:.3em;color:var(--ink)}
.why-copy p{font-size:15px;line-height:28px;font-weight:500;letter-spacing:.22em;color:var(--ink);margin-top:14px}
.why-copy h2 + p{margin-top:12px}
.why-copy .btn{margin-top:18px}
.why-photo{position:relative;height:404px}
.why-img{width:100%;height:100%;object-fit:cover;border-radius:18px}
.lockup-mark{position:absolute;left:-63px;top:221px;width:190px;height:190px;object-fit:contain;max-width:none}
.lockup-text{position:absolute;left:142px;top:314px}
.lockup-text strong{display:block;font-size:22px;line-height:34px;font-weight:600;letter-spacing:.12em;color:#1b2b30}
.en{display:block;font-size:16px;line-height:24px;letter-spacing:.32em;color:var(--teal);font-weight:400;margin-top:4px}
.en.sm{font-size:9.5px;line-height:14px;letter-spacing:.42em;margin-top:-2px}

/* Charity */
.charity{background:#f9f4ec;padding:35px 0 32px}
.charity-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}
.charity-copy h2{font-size:24px;line-height:36px;font-weight:600;letter-spacing:.22em;color:var(--teal)}
.charity-copy p{margin-top:10px;font-size:14px;line-height:31px;font-weight:500;letter-spacing:.34em;color:var(--ink)}
.stats{display:flex;width:640px;flex:none}
.stat{position:relative;flex:1;text-align:center}
.stat + .stat::before{content:"";position:absolute;left:0;top:0;height:81px;width:1px;background:#dccdb4}
.stat b{display:block;font-size:56px;line-height:52px;font-weight:500;letter-spacing:.02em;color:var(--gold)}
.stat .inf{width:72px;height:36px;margin:8px auto 15px;color:var(--gold)}
.stat span{display:block;margin-top:7px;font-size:14px;line-height:22px;font-weight:600;letter-spacing:.15em;color:var(--teal)}

/* Cases */
.cases{padding:44px 0 56px;background:#fff}
.cases-inner{display:block}
.cases-head h2{font-size:30px;line-height:44px;font-weight:600;letter-spacing:.22em;color:var(--ink)}
.cases-head p{margin-top:6px;font-size:14px;line-height:26px;font-weight:500;letter-spacing:.24em;color:var(--ink)}
.case-track{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:24px}
.case{overflow:hidden;height:246px;border-radius:14px;box-shadow:0 2px 14px rgba(120,90,40,.05)}
.case .ph{height:109px}
.case-body{padding:12px 22px 0}
.tag-txt{display:block;font-size:11.5px;line-height:18px;font-weight:700;letter-spacing:.1em;color:var(--gold-d)}
.case-body p{margin-top:5px;font-size:12px;line-height:19px;font-weight:500;letter-spacing:.08em;white-space:nowrap;color:#3a4a4e}
.case-body small a{color:var(--gold-d);text-decoration:underline;text-underline-offset:2px}
.case-body small{display:block;margin-top:10px;font-size:11.5px;line-height:16px;letter-spacing:.08em;color:var(--muted)}

/* CTA */
.cta{height:127px;background:url(assets/cta.svg) center / cover no-repeat,#f3ede3;display:flex;align-items:center}
.cta-inner{width:100%;padding:0 148px 0 109px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:26px;line-height:38px;font-weight:600;letter-spacing:.08em;color:var(--ink)}
.cta p{font-size:15px;line-height:26px;font-weight:500;letter-spacing:.17em;color:var(--ink)}
.cta-actions{display:flex;gap:30px}

/* Footer */
.site-footer{background:#fff}
.footer-grid{display:grid;grid-template-columns:315px 235px 239px 1fr;padding:31px 0 25px 95px}
.f-brand{display:flex;flex-direction:column}
.f-mark{width:102px;height:102px;object-fit:contain}
.f-brand strong{font-size:19px;line-height:30px;font-weight:600;letter-spacing:.22em;color:var(--ink)}
.f-brand .en{font-size:15px;letter-spacing:.34em;font-weight:300;margin-top:1px;color:#3d6670}
.f-brand .en.sm{font-size:8.5px;line-height:14px;margin-top:-2px}
.f-brand em{font-style:normal;margin-top:20px;font-size:18px;line-height:26px;font-weight:500;letter-spacing:.15em;color:var(--gold)}
.f-col{position:relative;display:flex;flex-direction:column;padding-top:9px}
.f-col::before{content:"";position:absolute;left:0;top:53px;height:158px;width:1px;background:var(--line)}
.f-col:nth-child(2){padding-left:59px}
.f-col:nth-child(3){padding-left:58px}
.f-col:nth-child(4){padding-left:77px}
.f-col h4{font-size:15px;line-height:24px;font-weight:700;letter-spacing:.2em;color:var(--teal);margin-bottom:15px}
.f-col a{font-size:13px;line-height:30px;font-weight:500;letter-spacing:.17em;color:#6a6f70}
.f-col a:hover{color:var(--gold-d)}
.f-contact p{display:flex;align-items:center;gap:12px;font-size:14px;line-height:33px;letter-spacing:.06em;color:#4b5456}
.f-contact p a{font-size:14px;line-height:33px;letter-spacing:.06em;color:#4b5456}
.f-contact p a:hover{color:var(--gold-d)}
.f-contact p svg{width:20px;height:20px;flex:none;color:var(--teal)}
.social{display:flex;gap:31px;margin-top:21px}
.social a{width:34px;height:34px;border-radius:50%;background:var(--teal);display:grid;place-items:center}
.social a svg{width:24px;height:24px}
.social a:hover{background:var(--gold)}
.copyright{text-align:center;font-size:14px;line-height:24px;letter-spacing:.14em;color:#7a7f80;padding-bottom:10px}

/* 佔位圖片（可替換為正式照片） */
.ph{background:linear-gradient(135deg,#d9cdb8,#efe4d0)}
.ph-office{background:linear-gradient(135deg,#27414b,#58798a 55%,#c3d3d9)}
.ph-meet{background:linear-gradient(135deg,#9c7a52,#dcb887 55%,#f0dec0)}
.ph-finance{background:linear-gradient(135deg,#aebfc6,#e2e9ea 60%,#f6f3ec)}
.ph-bliss{background:linear-gradient(135deg,#e2a85a,#f2d2a0 55%,#9fbf7c)}

/* ============ 平板 ============ */
@media (max-width:1366px){
  .case-track{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1400px){
  .values-grid{width:min(1332px,100% - 40px);transform:none}
}
@media (max-width:1280px){
  .header-inner{padding:0 28px}
  .main-nav{gap:26px;font-size:15px}
  .brand-text strong{font-size:16px}
  .hero h1{font-size:46px;line-height:78px}
  .hero-sub{font-size:18px}
  .what-inner{grid-template-columns:280px 1fr 1fr}
  .what-title p{white-space:normal;letter-spacing:.2em}
  .service-card{gap:20px;padding-inline:24px}
  .charity-inner{gap:24px}
  .stats{width:520px}
  .footer-grid{padding-left:40px;grid-template-columns:260px 200px 200px 1fr}
  .f-col:nth-child(n){padding-left:36px}
  .cta-inner{padding:0 48px}
}
@media (max-width:1024px){
  .main-nav{gap:16px;font-size:14px;letter-spacing:.02em}
  .brand-text em{display:none}
  .hero h1{font-size:40px;line-height:68px;letter-spacing:.22em}
  .hero-sub{letter-spacing:.2em}
  .why-copy p{letter-spacing:.14em;font-size:14px}
  .charity-copy p{letter-spacing:.1em}
  .what-inner{grid-template-columns:1fr 1fr}
  .what-title{grid-column:1/-1;padding-top:0;margin-bottom:12px}
  .lockup-mark{left:-30px}
  .why-inner{grid-template-columns:1fr 1fr;gap:32px}
}

/* ============ 手機（沿用桌面版的配色、圓角、卡片與區塊順序） ============ */
@media (max-width:820px){
  html{scroll-padding-top:60px}
  body{padding-top:60px}
  .container{width:calc(100% - 40px)}
  .service-card p{white-space:normal}
  .service-card p br{display:none}
  .values-grid{width:100%}
  .values h2{padding-right:0}
  .what-title{margin-left:0}
  .hero{background-image:linear-gradient(180deg,#fdfbf7,rgba(253,251,247,0)),url(assets/hero.svg),none;background-size:100% 90px,auto 300px,auto;background-position:0 calc(100% - 300px),86% bottom,0 0}

  /* Header */
  .header-inner,.site-header.scrolled .header-inner{height:60px;padding:0 16px}
  .brand{gap:8px}
  .brand-mark,.site-header.scrolled .brand-mark{width:44px;height:44px}
  .brand-text strong{font-size:14px}
  .brand-text em{display:block;font-size:10.5px}
  .header-inner > .btn-sm{display:none}
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:10px;margin-right:-8px}
  .nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--teal);transition:.2s}
  .nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-open .nav-toggle span:nth-child(2){opacity:0}
  .nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .main-nav{display:none;position:absolute;left:0;right:0;top:60px;flex-direction:column;gap:0;background:#fff;padding:8px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(120,90,40,.1);font-size:15px}
  .nav-open .main-nav{display:flex}
  .main-nav a{padding:14px 0;border-bottom:1px solid #f1ebe0}
  .nav-cta-m{display:inline-flex;margin-top:16px;border-radius:10px;height:46px;padding:0}

  /* Hero */
  .hero{height:auto;min-height:560px}
  .hero-inner{width:calc(100% - 40px);padding:40px 0 0}
  .hero h1{font-size:34px;line-height:56px;letter-spacing:.14em}
  .hero-sub{margin-top:12px;font-size:14.5px;line-height:28px;letter-spacing:.1em;gap:10px}
  .ico-heart{width:22px;height:20px}
  .hero-actions{gap:10px;margin-top:22px;flex-wrap:wrap}
  .hero-actions .btn{height:46px;font-size:14px;letter-spacing:.04em}
  .hero-actions .btn-dark{width:auto;padding:0 24px}
  .hero-actions .btn-outline{width:auto;padding:0 18px;font-size:14px}

  /* 我們在做的事 */
  .what{padding:36px 0}
  .what-inner{grid-template-columns:1fr;gap:16px}
  .what-title{margin:0 0 4px}
  .what-title h2{font-size:22px;letter-spacing:.2em}
  .what-title p{font-size:13px;letter-spacing:.12em}
  .service-card{height:auto;padding:22px 20px;gap:16px}
  .svc-ico{width:48px;height:48px;margin-top:4px}

  /* 核心價值：2×2 */
  .values{padding:34px 0 36px}
  .values h2{font-size:19px;letter-spacing:.3em}
  .values-grid{margin-top:26px;grid-template-columns:1fr 1fr;row-gap:30px}
  .value + .value::before{height:130px}
  .value:nth-child(3)::before{display:none}
  .value svg{width:44px;height:44px}
  .value h3{font-size:15px;margin-top:10px;letter-spacing:.12em}
  .value p{font-size:12.5px;letter-spacing:.08em;line-height:24px}

  /* 為什麼叫允愛 */
  .why{padding:40px 0}
  .why-inner{grid-template-columns:1fr;gap:28px}
  .why-copy h2{font-size:20px;line-height:36px;letter-spacing:.2em}
  .why-copy p{font-size:14px;letter-spacing:.08em}
  .why-photo{height:280px}
  .lockup-mark{left:-8px;top:130px;width:130px;height:130px}
  .lockup-text{left:112px;top:178px}
  .lockup-text strong{font-size:15px;line-height:24px}
  .en{font-size:11px;line-height:16px;margin-top:2px}
  .en.sm{font-size:7px;line-height:10px}

  /* 公益承諾 */
  .charity{padding:30px 0}
  .charity-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .charity-copy h2{font-size:19px;letter-spacing:.1em}
  .charity-copy p{font-size:13px;line-height:26px;letter-spacing:.04em}
  .stats{width:100%}
  .stat b{font-size:32px;line-height:36px}
  .stat .inf{width:56px;height:28px;margin:4px auto 11px}
  .stat span{font-size:11.5px;letter-spacing:.06em}
  .stat + .stat::before{height:60px}

  /* 公益專案：單欄 */
  .cases{padding:36px 0 40px}
  .cases-head h2{font-size:21px;letter-spacing:.15em;line-height:34px}
  .cases-head p{font-size:13px;letter-spacing:.1em}
  .case-track{grid-template-columns:1fr;gap:16px;margin-top:18px}
  .case{height:auto;padding-bottom:18px}
  .case .ph{height:120px}
  .case-body p{font-size:12.5px;line-height:22px;white-space:normal}
  .case-body p br{display:none}

  /* CTA */
  .cta{height:auto;padding:32px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px;padding:0 20px}
  .cta h2{font-size:19px;letter-spacing:.04em}
  .cta p{font-size:13px;letter-spacing:.06em}
  .cta-actions{width:100%;gap:12px}
  .cta-actions .btn{flex:1;min-width:0;height:50px;font-size:15px}

  /* Footer */
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px 20px;padding:30px 20px 20px}
  .f-brand{grid-column:1/-1}
  .f-col:nth-child(n){padding-left:0}
  .f-col::before{display:none}
  .f-contact{grid-column:1/-1;border-top:1px solid var(--line);padding-top:22px}
  .f-contact p{letter-spacing:.02em}
  .social{gap:16px}
  .copyright{font-size:11px;padding:14px 20px;letter-spacing:.04em}
}
@media (max-width:420px){
  .hero h1{font-size:30px}
}