/* =========================================================================
   home.css — 首頁專屬（只有 is_front_page() 時載入）
   區塊順序：Hero / 三種交換 / AI 三角色 / 數據帶 / Pricing / 企業 / 專欄 / FAQ / 尾部 CTA
   ========================================================================= */

/* ------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 40px) 0 80px;
  background:
    radial-gradient(1000px 640px at 80% 8%,rgba(92,92,255,.15),transparent 60%),
    radial-gradient(700px 480px at 8% 92%,rgba(0,214,179,.06),transparent 60%),
    var(--ink);
  overflow:hidden;
}
.hero-grid{
  position:absolute;inset:0;opacity:.22;pointer-events:none;
  background-image:
    linear-gradient(rgba(230,230,230,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(230,230,230,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{
  font-family:var(--font-tc);font-weight:900;letter-spacing:.01em;
  font-size:clamp(32px,4.1vw,54px);line-height:1.35;color:#fff;
  word-break:keep-all;         /* 中文不從詞中間斷行 */
  text-wrap:balance;
}
.hero h1 .dim{color:rgba(189,189,189,.85)}
.hero h1 .hl{
  background:linear-gradient(100deg,#7F7EFF,#5C5CFF 55%,#00D6B3);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:24px;font-size:clamp(15.5px,1.35vw,18px);line-height:1.95;color:var(--metal-gray);max-width:540px}
.hero .signup{margin-top:34px}

.hero-scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  font-size:12px;letter-spacing:.28em;color:rgba(189,189,189,.5);
  font-family:var(--font-en);text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:10px;z-index:2;
}
.hero-scroll::after{content:'';width:1px;height:36px;background:linear-gradient(180deg,var(--manganese),transparent);animation:hc-drop 1.8s ease-in-out infinite}
@keyframes hc-drop{
  0%{transform:scaleY(0);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:top}
  56%{transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* Hero 手機 Demo */
.hero-demo{display:flex;justify-content:center;perspective:1200px}
.demo-phone{
  width:min(330px,82vw);border-radius:38px;padding:10px;background:var(--grad-steel);
  border:1px solid rgba(230,230,230,.16);
  box-shadow:0 50px 110px rgba(0,0,0,.65),0 10px 30px rgba(92,92,255,.12);
  transform:rotateY(-6deg) rotateX(2deg);
}
.demo-screen{border-radius:30px;background:var(--ink-2);overflow:hidden;display:flex;flex-direction:column;min-height:560px}
.demo-top{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 12px}
.demo-top .wordmark{font-size:20px;color:#fff}
.demo-top .dot{
  width:30px;height:30px;border-radius:50%;background:var(--grad-manganese);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:#fff;font-family:var(--font-en);
}
.demo-search{
  margin:6px 14px 14px;border-radius:16px;background:var(--surface-3);
  border:1px solid var(--line-brand);padding:13px 15px;display:flex;gap:10px;align-items:center;
}
.demo-search .mic{color:var(--manganese-light);font-size:15px;flex-shrink:0}
.type-line{font-size:13.5px;color:#fff;line-height:1.55;min-height:21px}
.type-line .caret{display:inline-block;width:2px;height:15px;background:var(--manganese-light);margin-left:2px;vertical-align:-2px;animation:hc-blink 1s step-end infinite}
@keyframes hc-blink{50%{opacity:0}}

.demo-body{flex:1;padding:0 14px 18px;display:flex;flex-direction:column;gap:10px}
.demo-ai-label{
  font-family:var(--font-en);font-size:10.5px;font-weight:800;letter-spacing:.14em;
  color:var(--manganese-light);display:flex;align-items:center;gap:7px;margin:2px 2px 0;
}
.demo-answer{
  font-size:12.5px;line-height:1.8;color:var(--silver-2);
  background:rgba(92,92,255,.08);border:1px solid rgba(92,92,255,.22);
  border-radius:14px;padding:12px 14px;
  opacity:0;transform:translateY(10px);transition:.5s;
}
.demo-answer.is-show{opacity:1;transform:none}
.demo-hit{
  display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line-2);
  opacity:0;transform:translateY(12px);transition:.5s;
}
.demo-hit.is-show{opacity:1;transform:none}
.demo-hit .chip-avatar{width:36px;height:36px;font-size:13px}
.chip-avatar--outline{background:rgba(92,92,255,.25);border:1px solid var(--line-brand);color:var(--manganese-light)}
.demo-hit .m{flex:1;min-width:0}
.demo-hit .m b{display:block;font-size:12.5px;color:#fff}
.demo-hit .m span{font-size:10.5px;color:var(--metal-gray);line-height:1.5;display:block;margin-top:2px}
.demo-hit .why{
  font-size:9.5px;color:var(--turquoise);background:rgba(0,214,179,.1);
  padding:3px 8px;border-radius:var(--radius-pill);font-weight:700;flex-shrink:0;
}

/* ------------------------------------------------------------------
   三種交換
   ------------------------------------------------------------------ */
.exchange{padding:120px 0 100px}
.ex-flow{display:grid;grid-template-columns:1fr auto 1fr;gap:36px;align-items:center}
.ex-ways{display:flex;flex-direction:column;gap:16px}
.ex-way{
  display:flex;gap:16px;align-items:flex-start;padding:22px 24px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);transition:var(--dur-base);
}
.ex-way:hover{border-color:rgba(127,126,255,.45);background:rgba(92,92,255,.06)}
.ex-icon{
  width:46px;height:46px;border-radius:var(--radius-sm);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(92,92,255,.12);border:1px solid rgba(127,126,255,.3);font-size:20px;
}
.ex-way b{display:block;font-size:16px;color:#fff;margin-bottom:6px}
.ex-way span{font-size:13.5px;color:var(--metal-gray);line-height:1.75}

.ex-arrow{display:flex;flex-direction:column;align-items:center;gap:8px}
.ex-arrow .beam{width:60px;height:2px;background:linear-gradient(90deg,rgba(127,126,255,.2),var(--manganese));position:relative}
.ex-arrow .beam::after{content:'';position:absolute;right:-1px;top:-4px;border:5px solid transparent;border-left-color:var(--manganese)}
.ex-arrow .beam i{position:absolute;top:-2px;left:0;width:6px;height:6px;border-radius:50%;background:var(--turquoise);animation:hc-travel 1.8s linear infinite}
@keyframes hc-travel{0%{left:0;opacity:0}15%{opacity:1}85%{opacity:1}100%{left:56px;opacity:0}}

.ex-result{
  border-radius:var(--radius-lg);padding:26px;
  background:linear-gradient(180deg,rgba(92,92,255,.1),rgba(92,92,255,.02));
  border:1px solid var(--line-brand);box-shadow:var(--shadow-card);
}
.ex-result .rt{font-size:13px;font-weight:800;color:var(--manganese-light);letter-spacing:.08em;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.ex-contact{display:flex;gap:13px;align-items:center;padding:13px 0;border-top:1px solid var(--line-1)}
.ex-contact:first-of-type{border-top:none;padding-top:0}
.ex-contact .chip-avatar{width:40px;height:40px;font-size:14px}
.ex-contact .m{flex:1;min-width:0}
.ex-contact .m b{font-size:14px;color:#fff;display:block}
.ex-contact .m span{font-size:11.5px;color:var(--metal-gray);display:block;margin-top:2px}
.ex-src{font-size:10px;padding:4px 9px;border-radius:var(--radius-pill);font-weight:700;flex-shrink:0}
.src-nfc{background:rgba(92,92,255,.15);color:var(--manganese-light)}
.src-scan{background:rgba(0,214,179,.12);color:var(--turquoise)}
.src-url{background:rgba(189,189,189,.14);color:var(--metal-gray)}
.ex-note{margin-top:16px;font-size:12px;color:var(--metal-gray);display:flex;gap:8px;align-items:flex-start;line-height:1.7}
.ex-note i{width:7px;height:7px;border-radius:50%;background:var(--turquoise);flex-shrink:0;margin-top:6px;animation:hc-glow 2s infinite}

/* ------------------------------------------------------------------
   AI 三角色
   ------------------------------------------------------------------ */
.roles{position:relative;background:linear-gradient(180deg,var(--ink),#121214 40%,var(--ink))}
.roles-head{padding:110px 0 20px;margin-bottom:0}
.roles-head h2{line-height:1.5}

.scene{
  min-height:88svh;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  width:min(var(--wrap),92%);margin:0 auto;padding:56px 0;
}
.scene--reverse .scene-visual{order:-1}
.scene .scene-visual{display:flex;justify-content:center}

.role-badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:var(--radius-pill);
  background:rgba(92,92,255,.1);border:1px solid rgba(127,126,255,.35);
  font-size:13px;font-weight:800;color:var(--manganese-light);letter-spacing:.1em;margin-bottom:20px;
}
.role-badge--tq{background:rgba(0,214,179,.08);border-color:rgba(0,214,179,.3);color:var(--turquoise)}
.scene-copy h3{font-size:clamp(24px,2.8vw,36px);font-weight:900;color:#fff;line-height:1.5;word-break:keep-all}
.scene-copy .story{
  margin-top:20px;padding:18px 22px;border-left:2px solid var(--manganese);
  background:rgba(92,92,255,.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:15.5px;line-height:1.95;color:var(--silver-2);
}
.scene-copy ul{margin-top:22px;list-style:none;display:flex;flex-direction:column;gap:12px}
.scene-copy li{display:flex;gap:12px;font-size:15px;color:var(--metal-gray);line-height:1.7}
.scene-copy li::before{content:'';flex:0 0 7px;height:7px;border-radius:50%;background:var(--turquoise);margin-top:9px}

.role-stack{width:min(410px,86vw);display:flex;flex-direction:column;gap:14px}
.role-card{
  padding:19px 21px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.045);border:1px solid var(--line-2);
  opacity:0;transform:translateY(24px);transition:.6s var(--ease);
}
.scene-visual.is-in .role-card{opacity:1;transform:none}
.scene-visual.is-in .role-card:nth-child(2){transition-delay:.18s}
.scene-visual.is-in .role-card:nth-child(3){transition-delay:.36s}
.role-card .who{
  display:flex;align-items:center;gap:10px;font-size:12px;font-weight:800;
  color:var(--manganese-light);margin-bottom:10px;font-family:var(--font-en);letter-spacing:.08em;
}
.role-card p{font-size:14.5px;line-height:1.85;color:var(--silver-2)}
.role-card p b{color:#fff}
.role-card .act{margin-top:13px;display:flex;gap:8px;flex-wrap:wrap}
.act-btn{font-size:12.5px;padding:8px 16px;border-radius:var(--radius-pill);font-weight:700;display:inline-block}
.act-btn--go{background:var(--grad-manganese);color:#fff}
.act-btn--later{background:rgba(255,255,255,.07);color:var(--metal-gray);border:1px solid rgba(230,230,230,.14)}
.intel-tag{
  display:inline-block;font-size:10.5px;padding:3px 10px;border-radius:var(--radius-pill);
  background:rgba(0,214,179,.1);color:var(--turquoise);font-weight:700;margin-right:6px;margin-top:8px;
}
.proposal-steps{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.proposal-steps .st{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--silver-2);line-height:1.7}
.proposal-steps .n{
  flex:0 0 20px;height:20px;border-radius:50%;background:rgba(92,92,255,.16);
  color:var(--manganese-light);font-size:11px;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-en);margin-top:2px;
}

/* ------------------------------------------------------------------
   數據帶
   ------------------------------------------------------------------ */
.stats{border-top:1px solid var(--line-1);border-bottom:1px solid var(--line-1);background:rgba(255,255,255,.02)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);padding:52px 0;gap:24px;text-align:center}
.stat b{font-family:var(--font-en);font-size:clamp(30px,3.4vw,44px);font-weight:800;color:#fff;display:block}
.stat b em{font-style:normal;color:var(--manganese-light)}
.stat span{font-size:13.5px;color:var(--metal-gray);margin-top:8px;display:block}

/* ------------------------------------------------------------------
   Pricing
   ------------------------------------------------------------------ */
.pricing{padding:120px 0 90px}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.plan{
  border-radius:var(--radius);padding:30px 26px;display:flex;flex-direction:column;
  background:var(--surface-1);border:1px solid var(--line-2);
  transition:var(--dur-base);position:relative;
}
.plan:hover{transform:translateY(-6px);border-color:var(--line-3)}
.plan--hot{background:linear-gradient(180deg,rgba(92,92,255,.14),rgba(92,92,255,.04));border-color:rgba(127,126,255,.5)}
.plan[data-badge]::before{
  content:attr(data-badge);position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad-manganese);color:#fff;font-size:11.5px;font-weight:700;
  padding:5px 16px;border-radius:var(--radius-pill);letter-spacing:.06em;white-space:nowrap;
}
.plan--ent{background:linear-gradient(180deg,rgba(0,214,179,.09),rgba(0,214,179,.02));border-color:rgba(0,214,179,.3)}
.plan .pname{font-size:15px;font-weight:800;color:#fff;letter-spacing:.04em}
.plan .pfor{font-size:12.5px;color:var(--metal-gray);margin-top:6px;min-height:34px;line-height:1.5}
.plan .price{margin:18px 0 6px;font-family:var(--font-en);color:#fff}
.plan .price b{font-size:34px;font-weight:800}
.plan .price small{font-size:12.5px;color:var(--metal-gray);font-weight:500}
.plan ul{list-style:none;margin:18px 0 26px;display:flex;flex-direction:column;gap:11px;flex:1}
.plan li{font-size:13.5px;color:var(--silver-2);display:flex;gap:9px;line-height:1.6}
.plan li::before{content:'✓';color:var(--turquoise);font-weight:800;flex-shrink:0}
.plan .btn{width:100%;padding:13px;font-size:14px}

/* ------------------------------------------------------------------
   企業方案
   ------------------------------------------------------------------ */
.enterprise{
  background:
    radial-gradient(900px 500px at 85% 20%,rgba(0,214,179,.1),transparent 60%),
    linear-gradient(180deg,#141416,#0E0E10);
  border-top:1px solid rgba(230,230,230,.07);padding:110px 0;
}
.enterprise .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.enterprise h2{font-size:clamp(26px,3.2vw,40px);font-weight:900;color:#fff;margin-top:16px;line-height:1.45;word-break:keep-all}
.enterprise p.lead{color:var(--metal-gray);margin-top:18px;line-height:1.95;font-size:15.5px}
.ent-feats{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ent-feat{padding:18px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid var(--line-2)}
.ent-feat b{display:block;font-size:14.5px;color:#fff;margin-bottom:6px}
.ent-feat span{font-size:12.5px;color:var(--metal-gray);line-height:1.7}
.ent-cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.ent-visual{display:flex;justify-content:center}
.team-board{
  width:100%;max-width:420px;border-radius:var(--radius-lg);padding:24px;
  background:rgba(255,255,255,.04);border:1px solid rgba(230,230,230,.12);box-shadow:var(--shadow-float);
}
.team-board .tb-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px}
.team-board .tb-head b{font-size:14px;color:#fff}
.team-board .tb-head span{font-size:11.5px;color:var(--turquoise);background:rgba(0,214,179,.12);padding:4px 12px;border-radius:var(--radius-pill);font-weight:700}
.tb-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid rgba(230,230,230,.07)}
.tb-row .chip-avatar{width:34px;height:34px;font-size:12px}
.tb-row .m{flex:1;min-width:0}
.tb-row .m b{font-size:13px;color:#fff;display:block}
.tb-row .m span{font-size:11.5px;color:var(--metal-gray)}
.tb-bar{flex:0 0 90px;height:6px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);overflow:hidden}
.tb-bar i{display:block;height:100%;border-radius:var(--radius-pill);background:var(--grad-manganese)}
.verify-badge{
  display:inline-flex;align-items:center;gap:7px;margin-top:20px;font-size:12.5px;
  color:var(--turquoise);background:rgba(0,214,179,.08);border:1px solid rgba(0,214,179,.25);
  padding:8px 16px;border-radius:var(--radius-pill);font-weight:700;
}

/* ------------------------------------------------------------------
   文章專欄區（卡片本體在 cards.css）
   ------------------------------------------------------------------ */
.blog{padding:120px 0 90px}
.blog-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:46px;flex-wrap:wrap}
.blog-head h2{font-size:clamp(26px,3.4vw,42px);font-weight:900;color:#fff;margin-top:16px}
.blog-head p{color:var(--metal-gray);margin-top:12px;font-size:15.5px}
.blog-head .more{font-size:14px;font-weight:700;color:var(--manganese-light);display:inline-flex;align-items:center;gap:6px;padding-bottom:4px}
.blog-head .more:hover{color:#fff}

/* ------------------------------------------------------------------
   FAQ
   ------------------------------------------------------------------ */
.faq{padding:0 0 110px}
.faq-inner{max-width:780px;margin:0 auto}
.faq-head{margin-bottom:44px}
.faq-head h2{font-size:clamp(24px,3vw,38px)}
.faq details{
  border:1px solid var(--line-2);border-radius:var(--radius-sm);background:rgba(255,255,255,.03);
  margin-bottom:12px;overflow:hidden;transition:var(--dur-base);
}
.faq details[open]{border-color:var(--line-brand);background:rgba(92,92,255,.05)}
.faq summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:#fff;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-family:var(--font-en);font-size:20px;color:var(--manganese-light);transition:var(--dur-fast);flex-shrink:0}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 24px 22px;font-size:14.5px;line-height:1.95;color:var(--silver-2)}
.faq .a p + p{margin-top:12px}
.faq .a b,.faq .a strong{color:#fff}

/* ------------------------------------------------------------------
   尾部 CTA
   ------------------------------------------------------------------ */
.final{
  padding:130px 0;text-align:center;position:relative;overflow:hidden;
  background:radial-gradient(800px 480px at 50% 110%,rgba(92,92,255,.22),transparent 65%),var(--ink);
}
.final .big-wordmark{
  font-family:var(--font-en);font-weight:600;letter-spacing:-.03em;
  font-size:clamp(64px,14vw,190px);line-height:1;
  background:var(--grad-silver);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.15;user-select:none;position:absolute;left:50%;top:44%;
  transform:translate(-50%,-50%);white-space:nowrap;
}
.final .big-wordmark .y{-webkit-text-fill-color:rgba(92,92,255,.45);font-style:italic}
.final-inner{position:relative;z-index:2}
.final h2{font-size:clamp(26px,3.6vw,44px);font-weight:900;color:#fff;line-height:1.55;word-break:keep-all}
.final p{color:var(--metal-gray);margin-top:16px;font-size:16px}
.final .signup{margin:36px auto 0;justify-content:center}
.signup--center{margin-left:auto;margin-right:auto}
.signup-note--center{text-align:center}

/* ------------------------------------------------------------------
   RWD
   ------------------------------------------------------------------ */
@media(max-width:960px){
  .hero{min-height:auto;padding-bottom:110px}
  .hero .wrap{grid-template-columns:1fr;gap:52px}
  .hero-demo{margin-top:6px}
  .demo-phone{transform:none}
  .hero-scroll{display:none}

  .exchange{padding:80px 0 70px}
  .ex-flow{grid-template-columns:1fr}
  .ex-arrow{transform:rotate(90deg);margin:6px 0}

  .roles-head{padding:80px 0 10px}
  .scene{grid-template-columns:1fr;min-height:auto;padding:60px 0;gap:40px}
  .scene--reverse .scene-visual{order:0}

  .stats .wrap{grid-template-columns:1fr;gap:34px;padding:44px 0}

  .pricing{padding:80px 0 70px}
  .plans{grid-template-columns:1fr;max-width:440px;margin:0 auto;gap:26px}

  .enterprise{padding:80px 0}
  .enterprise .wrap{grid-template-columns:1fr;gap:44px}
  .ent-feats{grid-template-columns:1fr}

  .blog{padding:80px 0 70px}
  .faq{padding-bottom:80px}
  .final{padding:100px 0}
}

@media(max-width:520px){
  .hero h1{font-size:30px}
  .plan{padding:26px 22px}
  .faq summary{padding:18px;font-size:15px}
  .faq .a{padding:0 18px 20px}
}