:root{
  --ink:#23201C;
  --dark-card:#33302A;
  --text:#4E4740;
  --text2:#6E675C;
  --text3:#9A9184;
  --text4:#B9B2A6;
  --cream:#F5F2EB;
  --input-bg:#FAF8F4;
  --border:#F0EBE0;
  --border2:#EFEAE0;
  --dot:#E4DED2;
  --accent:#E2653A;

  --role-bg:#FFE3D2;
  --role-deep:#B94E27;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans TC",system-ui,-apple-system,sans-serif}
h1,h2,p{margin:0}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent)}
input::placeholder{color:var(--text4)}

section{scroll-margin-top:20px}

@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes roleIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes blink{0%,100%{opacity:.25}50%{opacity:1}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes caret{0%,100%{opacity:1}50%{opacity:0}}

.btn-pill{display:inline-block;border-radius:999px;font-weight:700;transition:background .2s,color .2s}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--accent);color:#fff}

/* ============ NAV ============ */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1240px;margin:0 auto;padding:20px 56px;box-sizing:border-box}
.logo{display:flex;align-items:center;gap:10px}
.logo-bars{display:flex;gap:3px}
.bar{width:12px;height:24px;border-radius:6px}
.bar-1{background:var(--accent)}
.bar-2{background:#3E7C4F;margin-top:5px}
.bar-3{background:#6257C4}
.logo-text{font-weight:900;font-size:17px;letter-spacing:1px;margin-left:4px;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:500}
.nav-links a:not(.btn-pill){color:var(--text2);white-space:nowrap}
.nav-links .btn-pill{padding:12px 24px;font-size:14px}

/* 語言切換 */
.lang-switch{display:inline-flex;gap:2px;background:var(--cream);border-radius:999px;padding:3px}
.lang-switch button,.lang-switch a{border:none;background:none;font-family:inherit;font-size:13px;font-weight:700;color:var(--text2);padding:6px 11px;border-radius:999px;cursor:pointer;line-height:1;transition:background .2s,color .2s;text-decoration:none;display:inline-block}
.lang-switch button:hover,.lang-switch a:hover{color:var(--ink)}
.lang-switch button.active,.lang-switch a.active{background:var(--ink);color:#fff}

/* 導覽文字連結：在較窄視窗（多語系標籤較長）先收起，保留 logo＋語言切換＋CTA */
@media (max-width:960px){
  .nav-links a:not(.btn-pill){display:none}
}

/* ============ HERO ============ */
.hero{max-width:1240px;margin:0 auto;box-sizing:border-box;padding:64px 56px 36px;text-align:center}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--text3);margin-bottom:28px}
.hero-h1{font-weight:900;font-size:58px;line-height:1.3;margin:0 0 8px;letter-spacing:-1px}
.pill-row{height:94px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.role-pill{display:inline-block;font-weight:900;font-size:56px;letter-spacing:-1px;background:var(--role-bg);color:var(--role-deep);padding:8px 36px 14px;border-radius:999px;white-space:nowrap;animation:roleIn .55s cubic-bezier(.2,.7,.3,1) both}
.hero-desc{font-size:19px;line-height:1.85;color:var(--text2);margin:0 auto 36px;max-width:520px;min-height:70px;animation:fadeIn .5s both}
.hero-cta-row{display:flex;justify-content:center;align-items:center;margin-bottom:14px}
.btn-lg{padding:18px 40px;font-size:17px}
.hero-note{font-size:13.5px;color:var(--text3)}
.role-dots{display:flex;justify-content:center;gap:8px;margin-top:32px}
.role-dots .dot{height:10px;border-radius:999px;cursor:pointer;background:var(--dot);transition:all .3s;display:inline-block;width:10px;border:none;padding:0}
.role-dots .dot.active{width:26px}

/* ============ DEMO ============ */
.demo-wrap{max-width:1240px;margin:0 auto;box-sizing:border-box;padding:20px 56px 96px}
.demo-block{border-radius:36px;padding:56px 60px;background:var(--role-bg);transition:background .6s}
.demo-grid{display:grid;grid-template-columns:1fr 470px;gap:56px;align-items:start}
/* 中等寬度就改單欄：固定 470px 聊天卡會把左欄文字擠到剩一條、標題直排（多語系更嚴重）。
   放在 base 規則之後，確保能覆蓋。 */
@media (max-width:960px){
  .demo-grid{grid-template-columns:1fr;gap:32px}
  .demo-detail{max-width:none}
}
.demo-copy{text-align:left}
.demo-tag{font-size:12.5px;font-weight:700;letter-spacing:2.5px;margin-bottom:18px;color:var(--role-deep)}
.demo-headline{font-weight:900;font-size:34px;line-height:1.45;margin-bottom:14px;letter-spacing:-.3px;animation:fadeIn .4s both}
.demo-detail{font-size:16.5px;line-height:1.9;color:var(--text);max-width:420px;margin-bottom:28px}
.demo-more-label{font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--role-deep);margin-bottom:12px}
.demo-more-list{display:flex;flex-direction:column;gap:9px;align-items:flex-start;margin-bottom:26px}
.more-pill{background:rgba(255,255,255,.75);border-radius:999px;padding:10px 20px;font-size:14px;font-weight:500;color:var(--ink)}
.demo-log{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--text);font-weight:500}
.log-dot{width:7px;height:7px;border-radius:50%;background:var(--role-deep);display:inline-block}

.chat-card{background:#fff;border-radius:20px;box-shadow:0 24px 48px -14px rgba(35,32,28,.25);overflow:hidden;text-align:left;display:flex;flex-direction:column}
.chat-head{display:flex;align-items:center;background:var(--ink);color:#fff;padding:12px 16px;flex:none}
.chat-title{font-size:12.5px;font-weight:700}
.chat-sub{margin-left:auto;font-size:10.5px;color:#8C8578}
.chat-body{padding:18px 16px;display:flex;flex-direction:column;gap:13px;min-height:420px;justify-content:flex-end}

.msg-row{display:flex;gap:10px;animation:msgIn .4s both}
.msg-row.user{flex-direction:row-reverse}
.msg-avatar{width:30px;height:30px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center}
.msg-row.user .msg-avatar{font-weight:700;font-size:12px;background:#EFEAE0;color:var(--text2)}
.msg-row.ai .msg-avatar{font-weight:900;font-size:10.5px;background:var(--role-deep);color:#fff}
.msg-bubble{padding:9px 13px;font-size:13.5px;line-height:1.65;max-width:86%}
.msg-row.user .msg-bubble{background:var(--cream);border-radius:12px 3px 12px 12px}
.msg-row.ai .msg-bubble{background:var(--role-bg);border-radius:3px 12px 12px 12px}

.card-attach{margin-top:10px;background:#fff;border-radius:12px;padding:11px 13px;font-size:12px;box-shadow:0 1px 4px rgba(35,32,28,.08)}
.card-attach.flex{display:flex;gap:11px;align-items:center}
.card-draft-label{color:var(--text4);margin-bottom:4px;font-size:11px}
.card-draft-body{color:var(--text)}
.card-btn-row{display:flex;gap:8px;margin-top:10px}
.card-btn{padding:6px 15px;border-radius:999px;font-weight:700;font-size:11.5px;cursor:pointer}
.card-btn.primary{background:var(--ink);color:#fff}
.card-btn.secondary{background:var(--cream);color:var(--text2)}
.card-date{border-radius:9px;padding:5px 11px;text-align:center;flex:none;background:var(--role-bg)}
.card-date .month{font-size:9px;font-weight:700;color:var(--role-deep)}
.card-date .day{font-weight:900;font-size:16px}
.card-title-row{font-weight:700}
.card-sub-row{color:var(--text3)}
.card-doc-icon{width:34px;height:34px;border-radius:9px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--role-bg)}
.card-chart{display:flex;align-items:flex-end;gap:7px;height:62px;margin-top:12px;padding:0 2px}
.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.chart-bar{width:100%;border-radius:4px 4px 2px 2px}
.chart-label{font-size:9.5px;color:var(--text4)}
.card-digest-title{font-weight:900;font-size:12.5px;margin-bottom:8px}
.card-digest-rows{display:flex;flex-direction:column;gap:7px;color:var(--text)}
.digest-row{display:flex;gap:8px}
.digest-row .k{flex:none;font-weight:700;color:var(--role-deep)}

.typing-row{display:flex;gap:10px;justify-content:flex-end}
.typing-bubble{background:var(--cream);border-radius:12px 3px 12px 12px;padding:9px 13px;font-size:13.5px;line-height:1.65}
.caret{display:inline-block;width:2px;height:14px;background:var(--ink);margin-left:2px;vertical-align:-2px;animation:caret .8s infinite}
.dots-row{display:flex;gap:10px}
.typing-dots{display:flex;gap:5px;align-items:center;padding:12px 4px}
.typing-dots span{width:5px;height:5px;border-radius:50%;background:#C9C0AE;display:inline-block;animation:blink 1.2s infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}

.role-chips{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:28px}
.role-chip{cursor:pointer;padding:11px 26px;border-radius:999px;font-weight:700;font-size:15px;background:var(--cream);color:var(--text2);transition:all .2s;border:none}
.role-chip.active{background:var(--ink);color:#fff}

/* ============ STEPS ============ */
.steps-wrap{background:var(--ink);color:#fff;padding:96px 56px;border-radius:48px 48px 0 0}
.steps-inner{max-width:1080px;margin:0 auto}
.steps-head{text-align:center;margin-bottom:52px}
.h2-dark{font-weight:900;font-size:40px;margin:0;letter-spacing:-.5px;color:#fff}
.steps-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.step-card{background:var(--dark-card);border-radius:24px;padding:36px 32px}
.step-icon{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.step-title{font-weight:900;font-size:20px;margin-bottom:10px;color:#fff}
.step-desc{font-size:14.5px;color:var(--text4);line-height:1.8}
.tools-row{text-align:center;margin-top:60px}
.tool-pills{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.tool-pill{display:flex;align-items:center;gap:10px;background:#fff;border-radius:999px;padding:12px 22px;font-size:14px;font-weight:700;color:var(--ink)}
.tool-pill-more{border:1px dashed #57534A;background:none;color:var(--text3);font-size:13.5px;font-weight:400}

/* ============ FAQ ============ */
.faq-wrap{padding:96px 56px;background:var(--cream)}
.faq-inner{max-width:660px;margin:0 auto}
.h2-light{font-weight:900;font-size:40px;text-align:center;margin:0 0 40px;letter-spacing:-.5px;color:var(--ink)}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border-radius:18px;padding:22px 26px}
.faq-item summary{font-weight:700;font-size:16.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-plus{color:var(--accent);font-size:20px;font-weight:400;flex:none}
.faq-item p{margin:14px 0 0;font-size:15px;line-height:1.85;color:var(--text2)}

/* ============ CTA + FORM ============ */
.cta-wrap{padding:96px 56px;background:#fff}
.cta-block{max-width:1000px;margin:0 auto;background:#FFE3D2;border-radius:36px;padding:64px 60px;display:grid;grid-template-columns:1fr 380px;gap:64px;align-items:center}
.cta-title{font-weight:900;font-size:42px;margin:0 0 18px;letter-spacing:-.5px;line-height:1.35;color:var(--ink)}
.cta-desc{font-size:16.5px;color:var(--text);margin:0 0 28px;line-height:1.85}
.cta-features{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;font-weight:700;color:#B94E27}
.feature-pill{background:#fff;border-radius:999px;padding:8px 16px}

.cta-form-card{background:#fff;border-radius:22px;padding:32px 30px;box-shadow:0 16px 36px -14px rgba(185,78,39,.25)}
.signup-form{display:flex;flex-direction:column;gap:15px}
.field-label{font-size:13px;font-weight:700;margin-bottom:7px;display:block}
.text-input{width:100%;box-sizing:border-box;border:1.5px solid var(--border2);border-radius:12px;padding:13px 14px;font-size:15px;font-family:"Noto Sans TC",sans-serif;background:var(--input-bg);outline:none;color:var(--ink);transition:border-color .15s,background .15s}
.text-input:focus{border-color:var(--accent);background:#fff}
.form-error{font-size:13px;color:#B94E27}
.submit-btn{background:var(--ink);color:#fff;text-align:center;padding:15px;border-radius:999px;font-weight:700;font-size:16px;cursor:pointer;margin-top:4px;border:none;font-family:inherit;width:100%;transition:background .2s}
.submit-btn:hover{background:var(--accent)}
.submit-btn:disabled{cursor:default;opacity:.85}
.form-footnote{font-size:12px;color:var(--text3);text-align:center}
.success-view{text-align:center;padding:26px 0;animation:fadeIn .4s both}
.success-icon{margin-bottom:16px}
.success-title{font-weight:900;font-size:19px;margin-bottom:10px}
.success-desc{font-size:14.5px;color:var(--text2);line-height:1.8}

/* ============ FOOTER ============ */
.footer{border-top:1px solid var(--border);background:#fff}
.footer-inner{max-width:1240px;margin:0 auto;box-sizing:border-box;padding:28px 56px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-logo{display:flex;align-items:center;gap:8px}
.logo-bars-sm{gap:2px}
.logo-bars-sm .bar-1,.logo-bars-sm .bar-2,.logo-bars-sm .bar-3{width:8px;height:16px;border-radius:4px}
.logo-bars-sm .bar-2{margin-top:3px}
.footer-logo-text{font-weight:900;font-size:14px;letter-spacing:1px;margin-left:2px}
.footer-links{display:flex;align-items:center;gap:22px;font-size:12.5px;color:var(--text3);flex-wrap:wrap}
.footer-links span{cursor:pointer}
.footer-links a{color:var(--text3)}
.footer-copy{font-size:12.5px;color:var(--text4)}

/* ============ RESPONSIVE (breakpoint 720px) ============ */
@media (max-width:720px){
  .nav-inner{padding:14px 16px;gap:8px}
  .nav-links{gap:8px}
  .nav-links a:not(.btn-pill){display:none}
  .logo{gap:7px}
  .logo-text{white-space:nowrap;font-size:16px}
  .lang-switch{padding:2px}
  .lang-switch button,.lang-switch a{padding:6px 8px;font-size:12px}
  .nav-links .btn-pill{padding:10px 14px;font-size:13px;white-space:nowrap}

  .hero{padding:44px 20px 28px}
  .hero-h1{font-size:34px}
  .pill-row{height:62px;margin-bottom:14px}
  .role-pill{font-size:32px;padding:6px 22px 9px}
  .hero-desc{font-size:15.5px;min-height:58px;padding:0 4px}

  .demo-wrap{padding:12px 14px 64px}
  .demo-block{border-radius:24px;padding:28px 22px}
  .demo-grid{grid-template-columns:1fr;gap:28px}
  .demo-headline{font-size:24px}

  .steps-wrap{padding:64px 20px;border-radius:32px 32px 0 0}
  .h2-dark{font-size:28px}
  .steps-grid{grid-template-columns:1fr}

  .faq-wrap{padding:64px 20px}
  .h2-light{font-size:28px}

  .cta-wrap{padding:56px 14px}
  .cta-block{border-radius:26px;padding:36px 24px;grid-template-columns:1fr;gap:32px}
  .cta-title{font-size:30px}

  .footer-inner{padding:24px 20px}
}

/* ============ BLOG ============ */
.blog-wrap{max-width:1240px;margin:0 auto;padding:0 56px}
.blog-article{max-width:720px;margin:0 auto;padding:52px 0 72px}
.blog-breadcrumb{font-size:13px;color:var(--text3);margin-bottom:26px}
.blog-breadcrumb a{color:var(--text3)}
.blog-breadcrumb a:hover{color:var(--accent)}
.blog-breadcrumb span{color:var(--text4)}
.blog-h1::before{content:'';display:block;width:44px;height:6px;border-radius:999px;background:var(--accent);margin-bottom:20px}
.blog-h1{font-weight:900;font-size:36px;line-height:1.42;letter-spacing:-.5px;margin:0 0 16px;color:var(--ink)}
.blog-meta{font-size:13.5px;color:var(--text3);margin-bottom:40px}
.blog-body{font-size:17px;line-height:1.9;color:var(--text)}
.blog-body p{margin:0 0 24px}
.blog-body p:first-of-type{font-size:19.5px;line-height:1.75;color:var(--ink)}
.blog-body h2{font-weight:900;font-size:24px;line-height:1.5;margin:50px 0 18px;padding-left:16px;border-left:4px solid var(--accent);color:var(--ink)}
.blog-body ul,.blog-body ol{margin:0 0 24px;padding-left:22px}
.blog-body li{margin-bottom:12px;line-height:1.85}
.blog-body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.blog-body strong{font-weight:700;color:var(--ink)}

/* 比較表：圓角卡片感，取代生硬的格線表格 */
.blog-body .cmp-table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:14.5px;border:1.5px solid var(--border);border-radius:14px;overflow:hidden}
.blog-body .cmp-table th,.blog-body .cmp-table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
.blog-body .cmp-table tr:last-child th,.blog-body .cmp-table tr:last-child td{border-bottom:none}
.blog-body .cmp-table th{background:var(--cream);font-weight:700;color:var(--accent);white-space:nowrap;width:1%}

.cta-block--article{grid-template-columns:1fr;text-align:center;max-width:720px;gap:22px;padding:52px 48px;margin-top:8px}
.cta-block--article .cta-desc{margin:0 auto 4px;max-width:460px}
.cta-block--article .cta-features{justify-content:center}
.cta-block--article .btn-lg{margin-top:4px}

.blog-list-head{max-width:720px;margin:0 auto;padding:56px 0 4px;text-align:center}
.blog-list-head h1::before{content:'';display:block;width:44px;height:6px;border-radius:999px;background:var(--accent);margin:0 auto 20px}
.blog-list-head h1{font-weight:900;font-size:34px;letter-spacing:-.5px;margin:0 0 14px;color:var(--ink)}
.blog-list-head p{font-size:16px;color:var(--text2);line-height:1.8}
.blog-list{max-width:720px;margin:0 auto;padding:36px 0 72px;display:flex;flex-direction:column;gap:22px}
.blog-card{position:relative;display:block;background:#fff;border:1.5px solid var(--border);border-radius:20px;padding:30px 32px 30px 38px;box-shadow:0 1px 3px rgba(35,32,28,.05);transition:border-color .18s,box-shadow .18s,transform .18s}
.blog-card::before{content:'';position:absolute;left:14px;top:26px;bottom:26px;width:4px;border-radius:999px;background:#B94E27}
.blog-card:nth-of-type(4n+2)::before{background:#3E7C4F}
.blog-card:nth-of-type(4n+3)::before{background:#6257C4}
.blog-card:nth-of-type(4n+4)::before{background:#A87B14}
.blog-card:hover{border-color:var(--accent);box-shadow:0 16px 32px -18px rgba(35,32,28,.22);transform:translateY(-3px)}
.blog-card-title{font-weight:900;font-size:21px;line-height:1.5;color:var(--ink);margin-bottom:10px}
.blog-card:hover .blog-card-title{color:var(--accent)}
.blog-card-desc{font-size:15px;line-height:1.8;color:var(--text2);margin-bottom:14px}
.blog-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.blog-card-date{font-size:13px;color:var(--text3)}
.blog-read-more{color:var(--accent);font-weight:700;font-size:14px}

@media (max-width:720px){
  .blog-wrap{padding:0 20px}
  .blog-article{padding:36px 0 56px}
  .blog-h1{font-size:27px}
  .blog-body{font-size:16px}
  .blog-body p:first-of-type{font-size:17.5px}
  .blog-body h2{font-size:21px}
  .cta-block--article{padding:36px 24px}
  .blog-list-head{padding:40px 0 4px}
  .blog-list-head h1{font-size:26px}
  .blog-card{padding:24px 22px 24px 30px}
  .blog-card::before{left:10px;top:20px;bottom:20px}
}