/* 01會計 共用樣式表 — 適用於 index.html 與各內容頁（GEO 優化版） */
:root{
  --brand-dark:#223d12;
  --brand-green:#7aa03e;
  --brand-light:#eef4df;
  --cta:#6b9a2f;
  --accent:#a3c162;
  --text:#1f2937;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:'Noto Sans TC',sans-serif;color:var(--text);line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:var(--cta);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1120px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--cta);color:#fff;padding:.95rem 1.8rem;border-radius:999px;font-weight:700;font-size:1.1rem;transition:transform .2s,box-shadow .2s;border:none;cursor:pointer;text-decoration:none}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(107,154,47,.35);text-decoration:none}

/* 標題 */
.section-title{font-size:clamp(1.7rem,4vw,2.4rem);color:var(--brand-dark);margin:0 0 .5rem;text-align:center;font-weight:700}
.section-sub{text-align:center;color:#64748b;margin:0 auto 2.5rem;max-width:680px}

/* 導航 */
header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #e2e8f0;z-index:100}
header nav{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0;gap:1rem}
footer nav{display:block}
.logo{height:52px;width:auto}
.nav-cta{font-size:.9rem;padding:.55rem 1.2rem;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:1.5rem;margin:0;padding:0;list-style:none}
.nav-menu a{color:var(--brand-dark);text-decoration:none;font-weight:500;font-size:.95rem;position:relative;padding:.35rem 0;transition:color .2s}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--cta);transform:scaleX(0);transform-origin:center;transition:transform .25s}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--cta)}
.nav-toggle{display:none;background:none;border:none;color:var(--brand-dark);font-size:1.7rem;cursor:pointer;padding:.2rem .5rem;line-height:1}

/* 麵包屑 */
.breadcrumb{background:var(--brand-light);font-size:.85rem;color:#5b6b47;padding:.6rem 0}
.breadcrumb .container{display:flex;flex-wrap:wrap;gap:.25rem}
.breadcrumb a{color:var(--brand-dark);font-weight:500}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span[aria-current]{color:#6b7280}

/* Hero（首⾴） */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;background:linear-gradient(130deg,#1b310d 0%,#2a4a16 55%,#3f6621 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 80%,rgba(122,160,62,.28) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.06) 0%,transparent 40%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 45%,rgba(0,0,0,.4) 0%,rgba(34,61,18,.45) 45%,transparent 80%);pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;grid-template-rows:repeat(5,auto);gap:0 2.5rem;align-items:center;padding-top:3rem}
.hero-grid>h1,.hero-grid>.lead,.hero-grid>.hero-cta,.hero-grid>.hero-badge,.hero-grid>.hero-features{grid-column:1;max-width:640px}
.hero-grid>h1{order:1}
.hero-grid>.hero-graphic{order:2;grid-column:2;grid-row:1 / span 5;justify-self:center;align-self:center}
.hero-grid>.lead{order:3}
.hero-grid>.hero-cta{order:4}
.hero-grid>.hero-badge{order:5}
.hero-grid>.hero-features{order:6}
.hero h1{font-size:clamp(2.1rem,4.2vw,3.1rem);line-height:1.18;margin:0 0 1rem;font-weight:700}
.hero .lead{font-size:clamp(1.05rem,1.9vw,1.25rem);opacity:.93;margin:0 0 1.6rem;max-width:600px}
.hero-cta{margin-bottom:.65rem;justify-self:start}
.hero-cta .btn{padding:.7rem 1.4rem;font-size:.95rem}
.hero-badge{height:27px;width:auto;border-radius:.4rem;margin:0 0 .6rem;background:#fff;padding:.12rem .25rem;box-shadow:0 4px 14px rgba(0,0,0,.18);max-width:min(100%,400px)}
.hero-features{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:.7rem;padding:.2rem .7rem;max-width:600px}
.feature-list{list-style:none;margin:0;padding:0}
.feature-list li{display:flex;gap:.7rem;align-items:flex-start;padding:.2rem 0;border-bottom:1px solid rgba(255,255,255,.15);color:#fff}
.feature-list li:last-child{border-bottom:none}
.feature-check{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--accent);color:#223d12;display:grid;place-items:center;font-weight:700;font-size:.78rem;margin-top:.1rem}
.feature-list strong{display:block;color:#fff;font-size:.9rem;margin-bottom:.05rem;line-height:1.25}
.feature-list p{margin:0;color:rgba(255,255,255,.85);font-size:.82rem;line-height:1.32}
.hero-graphic{position:static;inset:auto;width:100%;max-width:560px;margin:0 auto;padding:0;overflow:hidden;z-index:auto}
.hero-graphic img{width:100%;height:auto;display:block}

/* 痛點 */
.pains{padding:5rem 0;background:#fff}
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.pain-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:1rem;padding:1.5rem;transition:transform .2s,box-shadow .2s}
.pain-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(34,61,18,.08)}
.pain-card h3{margin:0 0 .5rem;color:var(--brand-dark);font-size:1.15rem}
.pain-card p{margin:0;color:#475569;font-size:.95rem}

/* 服務卡片 */
.services{padding:5rem 0;background:var(--brand-light)}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.service-card{display:block;background:#fff;border:1px solid #e2e8f0;border-radius:1rem;padding:1.8rem 1.5rem;transition:transform .2s,box-shadow .2s;color:var(--text)}
.service-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(34,61,18,.1);border-color:var(--accent);text-decoration:none}
.service-icon{width:60px;height:60px;margin:0 auto 1rem;background:var(--brand-light);border-radius:50%;display:grid;place-items:center;font-size:1.6rem}
.service-card h3{margin:.2rem 0 .6rem;font-size:1.2rem;color:var(--brand-dark);text-align:center}
.service-card p{margin:0;font-size:.92rem;color:#475569}
.svc-cta{text-align:center;margin:2.2rem 0 0}
.svc-cta .btn{padding:.95rem 1.8rem;font-size:1.1rem}

/* 為何選擇我們 */
.why{background:var(--brand-dark);color:#fff;padding:5rem 0;position:relative;overflow:hidden}
.why .container{position:relative;z-index:1}
.why h2{font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 1rem}
.why>p{font-size:1.15rem;opacity:.92;max-width:680px;margin:0 0 1.8rem}
.why-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.why-item{background:rgba(255,255,255,.1);backdrop-filter:blur(6px);border-radius:1rem;padding:1.3rem;border:1px solid rgba(255,255,255,.15)}
.why-item strong{display:block;font-size:1.15rem;margin-bottom:.4rem}
.why-item span{opacity:.88;font-size:.93rem}

/* 流程三步曲 */
.steps-sec{padding:5rem 0;background:#fff}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}
.step{display:flex;flex-direction:column;align-items:flex-start;gap:.6rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:1rem;padding:1.5rem}
.step h3{margin:0;color:var(--brand-dark);font-size:1.1rem}
.step p{margin:0;color:#475569;font-size:.93rem}
.step-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--cta);color:#fff;display:grid;place-items:center;font-weight:700;font-size:1.1rem}
.steps.vertical{grid-template-columns:1fr}
.steps.vertical .step{flex-direction:row;gap:1.1rem;padding:1.4rem 1.6rem}
.center-link{text-align:center;margin-top:2.2rem}
.center-link a{font-weight:700}

/* 內⾴ hero */
.page-hero{background:linear-gradient(135deg,var(--brand-dark) 0%,#3a5a20 100%);color:#fff;padding:5rem 0 4rem;text-align:center}
.page-hero h1{font-size:clamp(1.9rem,4.5vw,2.9rem);margin:0 0 1rem;font-weight:700}
.page-hero p{font-size:1.12rem;opacity:.92;max-width:720px;margin:0 auto 1.8rem}

/* 內⾴內容區 */
.detail{padding:4.5rem 0;background:#fff}
.detail.alt{background:var(--brand-light)}
.detail h2{font-size:clamp(1.5rem,3.5vw,2rem);color:var(--brand-dark);margin:0 0 .8rem;font-weight:700}
.detail-lead{color:#475569;max-width:760px;margin:0 0 2rem;font-size:1.05rem}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.case-grid.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.case-card{background:#fff;border:1px solid #dbe5cc;border-radius:1rem;padding:1.5rem}
.detail.alt .case-card{border-color:rgba(255,255,255,.7);box-shadow:0 4px 14px rgba(34,61,18,.06)}
.case-card h3{margin:0 0 .5rem;color:var(--brand-dark);font-size:1.1rem}
.case-card p{margin:0 0 .5rem;color:#475569;font-size:.95rem}
.case-card p:last-child{margin:0}
.doc-list{margin:0 0 .8rem;padding-left:1.2rem;color:#475569;font-size:.95rem}
.doc-list li{margin:.25rem 0}
.fee-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.fee-item{background:#fff;border:1px solid #dbe5cc;border-radius:1rem;padding:1.4rem}
.fee-item strong{display:block;color:var(--brand-dark);font-size:1.05rem;margin-bottom:.4rem}
.fee-item p{margin:0;color:#475569;font-size:.95rem}
.notice{margin-top:2rem;background:#fff;border-left:4px solid var(--cta);border-radius:.6rem;padding:1.3rem 1.5rem;box-shadow:0 4px 14px rgba(34,61,18,.08)}
.notice strong{color:var(--brand-dark);font-size:1.05rem;display:block;margin-bottom:.3rem}
.notice p{margin:0;color:#475569;font-size:.95rem}

/* 常見問題（details/summary：無需 JS 亦可讀取答案，伺服器端可⾒） */
.faq{padding:4.5rem 0;background:#f8fafc}
.faq-wrap{max-width:800px;margin:0 auto}
.faq-group{margin-bottom:2.2rem}
.faq-group h2{font-size:1.3rem;color:var(--brand-dark);margin:0 0 .2rem}
.faq-group-sub{color:#64748b;margin:0 0 1rem;font-size:.92rem}
.faq-item{background:#fff;border-radius:.75rem;margin-bottom:.75rem;overflow:hidden;border:1px solid #e2e8f0}
.faq-q{padding:1.05rem 1.25rem;font-size:1.02rem;font-weight:700;color:var(--brand-dark);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"＋";font-size:1.2rem;color:var(--cta);flex-shrink:0}
details[open] .faq-q::after{content:"－"}
.faq-q:hover{background:#fafcf5}
.faq-a{padding:0 1.25rem 1.1rem;color:#475569}
.faq-a p{margin:0 0 .6rem;font-size:.97rem}
.faq-a p:first-child{font-weight:500;color:var(--text)}
.faq-more{text-align:center;margin-top:1.5rem}
.faq-more a{font-weight:700}

/* 相關服務 */
.related{padding:4rem 0;background:#fff}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.rel-card{display:flex;flex-direction:column;gap:.4rem;background:var(--brand-light);border:1px solid #dbe5cc;border-radius:1rem;padding:1.3rem;color:var(--text);transition:transform .2s,box-shadow .2s}
.rel-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(34,61,18,.1);text-decoration:none}
.rel-card strong{color:var(--brand-dark);font-size:1.05rem}
.rel-card span{color:#475569;font-size:.9rem}

/* CTA 帶 */
.cta-band{background:var(--brand-light);padding:4rem 0;text-align:center}
.cta-band h2{color:var(--brand-dark);font-size:clamp(1.5rem,4vw,2.1rem);margin:0 0 .8rem}
.cta-band p{color:#475569;margin:0 0 1.5rem;max-width:640px;margin-inline:auto}

/* ⾴尾 */
footer{background:#1a2410;color:#cbd5e1;padding:3.5rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(2,minmax(0,1fr));gap:2.5rem;align-items:start}
.footer-grid>div{min-width:0}
.footer-logo{height:64px;margin-bottom:1rem;background:#fff;border-radius:.5rem;padding:.4rem;width:auto}
.footer-brand>p{font-size:.92rem;color:#a8b39a;margin:0;max-width:420px}
footer h3{color:#fff;font-size:1rem;margin:0 0 .9rem;font-weight:700}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:.45rem 0}
footer nav a{display:inline-block;color:#c9d6b8;font-size:.92rem;padding:.15rem 0;transition:color .2s}
footer nav a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.12)}
.disclaim-title{color:#8fa07a;font-size:.9rem;margin:0 0 .4rem;font-weight:700}
.disclaim{font-size:.8rem;color:#8fa07a;line-height:1.65;margin:0 0 .8rem}
.copy{font-size:.8rem;color:#6b7a58;margin:0}

/* 響應式 */
@media (max-width:900px){
  .logo{height:46px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid #e2e8f0;padding:0;margin:0;max-height:0;overflow:hidden;transition:max-height .3s ease;box-shadow:0 8px 16px rgba(34,61,18,.08)}
  .nav-menu.open{max-height:480px}
  .nav-menu li{width:100%}
  .nav-menu a{display:block;padding:.9rem 6%;font-size:1rem;border-bottom:1px solid #f1f5f9}
  .nav-menu li:last-child a{border-bottom:none}
  .nav-menu a::after{display:none}
  .hero{min-height:auto;padding:4rem 0 1rem}
  .hero-grid{display:flex;flex-direction:column;align-items:center;text-align:center;gap:0;padding-top:0}
  .hero-grid>*{width:100%}
  .hero h1{margin-bottom:1rem}
  .hero-graphic{position:static;inset:auto;width:100%;max-width:none;margin:.4rem auto 1.4rem;transform:none}
  .hero-cta{width:100%;max-width:520px;margin:0 auto .8rem}
  .hero-cta.btn{width:100%;max-width:520px;margin:0 auto .8rem;padding:.95rem 1.5rem;font-size:1.05rem;line-height:1.3}
  .svc-cta{margin:1.8rem 0 0}
  .svc-cta .btn{width:100%;max-width:520px;display:flex;margin:0 auto;padding:.95rem 1.5rem;font-size:1.05rem;line-height:1.3}
  .hero-badge{width:100%;max-width:520px;height:auto;margin:0 auto .8rem;display:block}
  .hero-features{text-align:left;max-width:520px;margin:0 auto}
  .why-list,.pain-grid,.service-grid,.fee-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:1.8rem}
  .services,.pains,.why,.steps-sec{padding:3.5rem 0}
  .page-hero{padding:3.5rem 0 2.5rem}
  .detail{padding:3rem 0}
  .detail-lead{margin-bottom:1.5rem}
}
@media (max-width:520px){
  .logo{height:42px}
  .hero h1{font-size:clamp(1.6rem,7.5vw,2.1rem)}
  .btn{padding:.75rem 1.3rem;font-size:.95rem}
  .hero-badge{max-width:100%}
  .section-title{font-size:clamp(1.4rem,6vw,1.9rem)}
  .steps.vertical .step{flex-direction:column;gap:.6rem}
}