/* ============================================
   首頁專屬樣式 / Home Page
   ============================================ */

/* ---------- HERO ---------- */
.hero{
  min-height:100vh;
  position:relative;overflow:hidden;
  padding:140px 48px 80px;
  display:flex;align-items:center;
  background:var(--bg);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('../assets/hero-portrait.jpg');
  background-size:cover;
  background-position:center left;
  background-repeat:no-repeat;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(270deg, rgba(251,249,244,.96) 0%, rgba(251,249,244,.85) 28%, rgba(251,249,244,.55) 46%, rgba(251,249,244,.15) 62%, rgba(251,249,244,0) 78%),
    linear-gradient(180deg, rgba(251,249,244,.25) 0%, rgba(251,249,244,0) 30%, rgba(251,249,244,0) 70%, rgba(251,249,244,.35) 100%);
}
.hero-grid{
  max-width:1280px;margin:0 auto;width:100%;
  display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;
  position:relative;z-index:2;
}
.hero-left{padding-right:24px;order:2;}
.eyebrow{
  font-family:var(--latin);font-size:13px;letter-spacing:.5em;
  color:var(--gold);font-weight:500;text-transform:uppercase;
  margin-bottom:32px;display:inline-flex;align-items:center;gap:18px;
}
.eyebrow::before{content:'';width:48px;height:1px;background:var(--gold);opacity:.7}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(56px,7vw,108px);
  font-weight:300;
  color:var(--ink);
  letter-spacing:.16em;
  line-height:1.05;
  margin-bottom:18px;
}
.hero-latin{
  font-family:var(--latin);
  font-size:clamp(20px,2vw,30px);
  font-weight:400;letter-spacing:.32em;
  color:var(--gold);
  margin-bottom:42px;
}
.hero-desc{
  font-size:15px;line-height:2;letter-spacing:.06em;
  color:var(--ink-2);font-weight:300;
  max-width:480px;margin:0 0 56px;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.hero-right{position:relative}

.scroll-cue{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:14px;
  font-family:var(--latin);font-size:11px;letter-spacing:.4em;color:var(--muted);
}
.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--gold),transparent);animation:scrollLine 2.4s ease-in-out infinite}
@keyframes scrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ---------- NETWORK ---------- */
.network{
  background:var(--bg-2);
  color:var(--ink);
  padding:140px 24px 160px;
  position:relative;
}
.network-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
  max-width:1140px;margin:80px auto 0;
}
.net-card{
  background:var(--paper);
  padding:60px 40px 56px;
  text-align:center;
  transition:all .4s ease;
  border:1px solid var(--line-soft);
  position:relative;
}
.net-card:hover{
  transform:translateY(-6px);
  box-shadow:0 24px 60px rgba(184,147,90,.12);
  border-color:var(--gold-soft);
}
.net-num{
  display:inline-block;
  font-family:var(--latin);font-size:14px;letter-spacing:.15em;
  color:var(--gold);font-weight:500;
  border:1px solid var(--gold);
  padding:6px 14px;margin-bottom:36px;
}
.net-title{
  font-family:var(--serif);font-size:20px;font-weight:500;letter-spacing:.18em;
  color:var(--ink);margin-bottom:24px;
}
.net-card-divider{width:32px;height:1px;background:var(--gold);opacity:.5;margin:0 auto 24px}
.net-desc{font-size:13px;line-height:2;color:var(--ink-2);letter-spacing:.05em}

/* ---------- INSIGHTS PREVIEW ---------- */
.insights{background:var(--paper);padding:140px 24px 160px;color:var(--ink)}
.insights-head{max-width:1140px;margin:0 auto 80px;padding:0 8px}
.insights .section-eyebrow{justify-content:flex-start;padding-left:2px}
.insights .section-eyebrow::before,.insights .section-eyebrow::after{display:none}
.insights .section-title{text-align:left;margin-bottom:18px}
.insights .section-desc{text-align:left;margin:0}

.article-list{max-width:1140px;margin:0 auto;border-top:1px solid var(--line)}
.article{
  display:grid;grid-template-columns:160px 1fr 60px;
  gap:40px;align-items:center;
  padding:28px 8px;border-bottom:1px solid var(--line);
  transition:all .35s ease;cursor:pointer;
}
.article:hover{background:var(--bg-2);padding-left:16px}
.article:hover .art-arrow{color:var(--gold);transform:translateX(6px)}
.article:hover .art-thumb img{transform:scale(1.06)}
.art-thumb{
  width:160px;height:100px;overflow:hidden;
  background:var(--gold-tint);position:relative;
}
.art-thumb img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .6s ease;
}
.art-body h3{font-family:var(--serif);font-size:19px;font-weight:500;color:var(--ink);letter-spacing:.05em;margin-bottom:10px;line-height:1.5}
.art-body p{font-size:13px;color:var(--muted);letter-spacing:.04em;line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.art-meta{font-family:var(--latin);font-size:12px;letter-spacing:.18em;color:var(--gold);font-weight:500;margin-top:8px}
.art-arrow{font-family:var(--latin);font-size:24px;color:var(--muted);transition:all .35s ease;justify-self:end}

/* ---------- OFFERS ---------- */
.offers{
  background:linear-gradient(180deg, var(--bg-3) 0%, var(--bg-2) 100%);
  color:var(--ink);
  padding:140px 24px 160px;
  position:relative;overflow:hidden;
}
.offers::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 80% 20%, rgba(184,147,90,.12), transparent 60%);
  pointer-events:none;
}
.offers-head{max-width:1140px;margin:0 auto 80px;position:relative}
.offers .section-eyebrow{justify-content:flex-start}
.offers .section-eyebrow::before,.offers .section-eyebrow::after{display:none}
.offers .section-title{text-align:left;margin-bottom:18px}
.offers .section-desc{text-align:left;margin:0}

.offer-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  max-width:1140px;margin:0 auto;position:relative;
}
.offer-card{
  background:var(--paper);
  border:1px solid var(--line);
  padding:44px 36px 40px;
  transition:all .4s ease;
  position:relative;
  display:flex;flex-direction:column;
}
.offer-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 24px 60px rgba(184,147,90,.18)}
.offer-tag{
  font-family:var(--latin);font-size:11px;letter-spacing:.32em;
  color:var(--gold);font-weight:600;text-transform:uppercase;
  margin-bottom:24px;
}
.offer-title{
  font-family:var(--serif);font-size:22px;font-weight:500;letter-spacing:.16em;
  color:var(--ink);margin-bottom:16px;
}
.offer-desc{font-size:13px;line-height:1.9;color:var(--ink-2);letter-spacing:.04em;margin-bottom:32px;flex:1}
.offer-price{
  font-family:var(--latin);font-size:38px;font-weight:500;color:var(--gold);
  letter-spacing:.04em;margin-bottom:6px;display:flex;align-items:baseline;gap:6px;
}
.offer-price small{font-size:13px;color:var(--muted);letter-spacing:.2em;font-weight:400}
.offer-divider{width:100%;height:1px;background:var(--line);margin:28px 0 24px}
.offer-link{
  display:block;text-align:center;
  border:1px solid var(--gold);
  padding:13px 0;font-size:12px;letter-spacing:.28em;color:var(--gold);
  transition:all .3s ease;
}
.offer-card:hover .offer-link{background:var(--gold);color:#fff}

/* ---------- FAQ ---------- */
.faq{
  background:var(--paper);
  padding:140px 24px 160px;
  color:var(--ink);
}
.faq-head{max-width:1140px;margin:0 auto 80px;text-align:center}
.faq-list{max-width:1140px;margin:0 auto}

.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{border-top:1px solid var(--line)}

.faq-q{
  width:100%;
  background:none;border:none;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:28px 8px;
  font-family:var(--serif);font-size:17px;font-weight:500;
  color:var(--ink);letter-spacing:.06em;line-height:1.5;
  cursor:pointer;text-align:left;
  transition:color .3s ease;
}
.faq-q:hover{color:var(--gold)}
.faq-q::after{
  content:'';
  flex-shrink:0;
  width:20px;height:20px;
  border:1px solid var(--gold);
  border-radius:50%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23b8935a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:center;
  transition:transform .35s ease;
}
.faq-q[aria-expanded="true"]{color:var(--gold)}
.faq-q[aria-expanded="true"]::after{transform:rotate(180deg)}

.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height .4s ease, padding .4s ease;
}
.faq-a.open{max-height:400px}
.faq-a p{
  padding:0 8px 28px;
  font-size:14px;line-height:2.1;
  color:var(--ink-2);letter-spacing:.05em;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero{padding:120px 24px 80px}
  .hero-grid{grid-template-columns:1fr;gap:60px}
  .hero-left{padding-right:0}
  .hero-bg::after{background:linear-gradient(180deg, rgba(251,249,244,.92) 0%, rgba(251,249,244,.7) 35%, rgba(251,249,244,.3) 65%, rgba(251,249,244,.6) 100%)}
  .hero-bg{background-position:center top}
}
@media (max-width:760px){
  .hero{padding:100px 20px 100px;min-height:auto}
  .scroll-cue{display:none}
  .network-grid,.offer-grid{grid-template-columns:1fr;gap:20px}
  .article{grid-template-columns:100px 1fr;gap:20px}
  .art-thumb{width:100px;height:70px}
  .art-arrow{display:none}
  .insights,.network,.offers{padding:90px 16px 100px}
  .faq{padding:90px 16px 100px}
  .faq-q{font-size:15px;padding:22px 4px}
}