/* roulang page: index */
:root{
  --ink:#17130F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --paper:#F7F1E6;
  --paper-2:#FDFAF3;
  --wine:#7A1F35;
  --wine-deep:#521220;
  --amber:#E0A458;
  --amber-soft:#F6E2C2;
  --celadon:#1F6F63;
  --line:#E2D6C2;
  --danger:#A8323A;
  --serif:"Noto Serif TC",Georgia,"Songti TC",serif;
  --sans:"Noto Sans TC",-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  --r-lg:16px;
  --r-sm:10px;
  --shadow-1:0 1px 0 rgba(83,32,44,.04), 0 10px 24px -18px rgba(83,32,44,.35);
  --shadow-2:0 2px 0 rgba(83,32,44,.06), 0 18px 36px -20px rgba(83,32,44,.42);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(1200px 620px at 8% -12%, rgba(224,164,88,.035), rgba(224,164,88,0) 60%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--wine);text-decoration:underline;text-underline-offset:3px;transition:color .16s ease,text-decoration-color .16s ease}
a:hover{color:var(--wine-deep);text-decoration-color:var(--amber)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
h1,h2,h3,h4{font-family:var(--serif);letter-spacing:.02em;line-height:1.25;margin:0;color:var(--ink);font-weight:700}
h1{font-size:48px;font-weight:900}
h2{font-size:34px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 18px;padding-left:1.4em}
li{margin-bottom:10px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-y) 0}
.section + .section{border-top:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--wine);text-transform:uppercase;margin-bottom:14px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-head h2{max-width:720px}
.sec-sub{font-size:15px;color:var(--ink-2);margin-top:12px;max-width:640px}
.badge{display:inline-flex;align-items:center;background:var(--amber-soft);color:var(--ink);font-size:11px;font-weight:700;letter-spacing:.06em;padding:4px 12px;border-radius:999px}
.skip{position:absolute;left:-9999px;top:0;background:var(--wine);color:var(--paper-2);padding:10px 18px;border-radius:0 0 var(--r-sm) 0;z-index:200}
.skip:focus{left:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid transparent;transition:border-color .16s ease,box-shadow .16s ease}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(83,32,44,.55)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;flex-shrink:0}
.brand-mark{font-family:var(--serif);font-weight:900;font-size:19px;letter-spacing:.02em;color:var(--ink)}
.brand-ai{color:var(--wine)}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.1em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);text-decoration:none;padding:6px 0;transition:color .16s ease;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--amber);border-radius:999px;transition:width .16s ease}
.nav-link:hover{color:var(--wine);text-decoration:none}
.nav-link:hover::after{width:60%}
.nav-link.is-active{color:var(--wine);font-weight:700}
.nav-link.is-active::after{width:60%}
.nav-link:focus-visible{outline:2px solid var(--celadon);outline-offset:4px;border-radius:4px}
.nav-cta{flex-shrink:0;padding:11px 22px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;margin-left:auto;border-radius:var(--r-sm)}
.nav-toggle span{position:relative;display:block;width:22px;height:2px;background:var(--ink);transition:transform .16s ease,opacity .16s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);transition:transform .16s ease}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);font-weight:700;font-size:15px;line-height:1.4;padding:14px 26px;border-radius:var(--r-sm);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease}
.btn-primary{background:var(--wine);color:var(--paper-2)}
.btn-primary:hover{background:var(--wine-deep);color:var(--paper-2);transform:translateY(-1px);box-shadow:0 14px 26px -18px rgba(82,18,32,.9);text-decoration:none}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--wine);border-color:var(--wine)}
.btn-ghost:hover{background:var(--amber-soft);border-color:var(--wine-deep);color:var(--wine-deep);text-decoration:none}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--celadon);outline-offset:2px}
.btn[disabled]{background:var(--line);color:var(--ink-3);cursor:not-allowed;transform:none;box-shadow:none}
.link-more{font-size:15px;font-weight:700;color:var(--wine);text-decoration:underline;text-underline-offset:4px;white-space:nowrap}
.link-more:hover{color:var(--wine-deep);text-decoration-color:var(--amber)}

/* ---------- hero ---------- */
.hero{padding:76px 0 var(--sec-y);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;min-height:520px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.hero-badges .badge{background:rgba(224,164,88,.22);color:var(--wine-deep)}
.hero h1{font-size:48px;line-height:1.22;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--wine)}
.hero-lead{font-size:18px;color:var(--ink-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-trust{font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.hero-visual{position:relative;padding:0 16px 16px 0}
.hero-visual::before{content:"";position:absolute;top:16px;right:0;bottom:0;left:16px;border:1px solid var(--amber);pointer-events:none}
.hero-visual img{position:relative;width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1)}
.hero-caption{position:relative;margin-top:12px;font-size:13px;color:var(--ink-3);font-style:italic}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 32px;margin-top:8px}
.pain-item{border-left:3px solid var(--wine);padding:16px 22px;background:var(--paper-2);border-radius:0 var(--r-sm) var(--r-sm) 0}
.pain-item p{font-family:var(--serif);font-size:19px;line-height:1.6;color:var(--ink);margin:0}
.pain-grid .pain-item:nth-child(2),
.pain-grid .pain-item:nth-child(4){transform:translateY(12px)}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-top:12px}
.plan-card{transition:transform .16s ease}
.plan-card:nth-child(2){transform:translateY(-24px)}
.plan-card:nth-child(3){transform:translateY(24px)}
.plan-inner{position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-1);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;height:100%}
.plan-inner::before{content:"";position:absolute;top:14px;left:28px;right:28px;border-top:1px dashed var(--amber);transition:border-color .16s ease}
.plan-inner:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d6c6ac}
.plan-inner:hover::before{border-top-color:var(--wine)}
.plan-thumb{margin:14px 0 18px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.plan-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .16s ease}
.plan-inner:hover .plan-thumb img{transform:scale(1.02)}
.plan-num{font-family:var(--serif);font-weight:900;font-size:40px;color:var(--amber);line-height:1;display:block;margin-bottom:10px}
.plan-inner h3{margin-bottom:10px}
.plan-inner .plan-desc{font-size:15px;color:var(--ink-2);line-height:1.75;margin-bottom:16px}
.plan-list{list-style:none;padding:0;margin:0 0 20px}
.plan-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);margin-bottom:9px;line-height:1.7}
.plan-list li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:1px;background:var(--wine)}
.plan-tag{position:absolute;top:-12px;right:22px;background:var(--celadon);color:#F4FBF8;font-size:11px;font-weight:700;letter-spacing:.08em;padding:3px 10px;border-radius:999px}

/* ---------- stats ---------- */
.stats-band{background:var(--wine-deep);color:var(--paper);padding:72px 0}
.stats-band h2{color:var(--paper);font-size:32px;max-width:760px;margin-bottom:44px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 28px;border-left:1px solid rgba(247,241,230,.18)}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{font-family:var(--serif);font-weight:900;font-size:56px;line-height:1;color:var(--amber);font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:6px}
.stat-num span{font-size:12px;font-weight:700;letter-spacing:.1em;color:rgba(247,241,230,.8)}
.stat p{font-size:13px;line-height:1.7;color:rgba(247,241,230,.7);margin:12px 0 0}
.stats-note{font-size:12px;color:rgba(247,241,230,.55);margin-top:36px}

/* ---------- latest ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{display:inline-flex;align-items:center;font-size:13px;font-weight:500;color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:6px 16px;text-decoration:none;transition:border-color .16s ease,color .16s ease,background-color .16s ease}
.chip:hover{background:var(--amber-soft);border-color:var(--amber);color:var(--wine-deep);text-decoration:none}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .16s ease,box-shadow .16s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-link{display:block;text-decoration:none;color:inherit}
.news-link:hover{text-decoration:none;color:inherit}
.news-thumb{overflow:hidden;border-bottom:1px solid var(--line)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .16s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px}
.news-body h3{font-size:19px;line-height:1.45;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s ease}
.news-card:hover .news-body h3{color:var(--wine)}
.news-body p{font-size:13.5px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.news-meta .read{color:var(--wine);font-weight:700}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-lg);padding:48px;text-align:center;grid-column:1/-1;background:var(--paper-2)}
.empty-title{font-family:var(--serif);font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-desc{font-size:14px;color:var(--ink-2);margin-bottom:22px}

/* ---------- signup ---------- */
.signup{background:linear-gradient(180deg,rgba(246,226,194,.32),rgba(246,226,194,0) 70%)}
.signup-grid{display:grid;grid-template-columns:40fr 60fr;gap:56px;align-items:start}
.signup-copy h2{margin-bottom:16px}
.signup-copy p{font-size:15.5px;color:var(--ink-2)}
.checklist{list-style:none;padding:0;margin:24px 0 0}
.checklist li{position:relative;padding-left:28px;font-size:15px;color:var(--ink-2);margin-bottom:12px}
.checklist li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;border-left:2px solid var(--celadon);border-bottom:2px solid var(--celadon);transform:rotate(-45deg)}
.form-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:8px}
.req{color:var(--danger)}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);transition:border-color .16s ease,box-shadow .16s ease;outline:none}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(31,111,99,.18)}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:11.5px;line-height:1.7;color:var(--ink-3);margin:6px 0 18px}
.privacy input{width:16px;height:16px;flex:0 0 16px;margin-top:3px;accent-color:var(--celadon)}
.form-note{font-size:11.5px;color:var(--ink-3);margin-top:12px}
.form-msg{font-size:13px;color:var(--celadon);margin-top:12px;display:none}
.form-msg.is-on{display:block}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:22px 0;font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);transition:color .16s ease}
.faq-q:hover{color:var(--wine)}
.faq-q:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:6px}
.faq-idx{font-family:var(--serif);font-size:13px;font-weight:700;color:var(--amber);flex:0 0 auto;letter-spacing:.06em}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;margin-left:auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);transition:transform .16s ease,opacity .16s ease,background-color .16s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-q{color:var(--wine)}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-icon::before{background:var(--wine)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-2);padding:0 0 22px;margin:0;padding-right:32px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid rgba(247,241,230,.14);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-mark{color:var(--paper)}
.footer-brand .brand-ai{color:var(--amber)}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(247,241,230,.66);margin:16px 0 0;max-width:300px}
.footer-col h4{font-size:15px;color:var(--paper);margin-bottom:18px;letter-spacing:.06em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{font-size:13.5px;line-height:1.9;color:rgba(247,241,230,.66);margin-bottom:10px}
.footer-col a{color:rgba(247,241,230,.78);text-decoration:none;transition:color .16s ease}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{border-top:1px solid rgba(247,241,230,.14);padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(247,241,230,.6);margin:0}
.footer-bottom a{color:rgba(247,241,230,.7)}
.footer-bottom a:hover{color:var(--amber)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .plan-card:nth-child(2),.plan-card:nth-child(3){transform:none}
  .hero-inner{grid-template-columns:50fr 50fr;gap:40px}
}
@media (max-width:1023px){
  :root{--sec-y:72px}
  h1{font-size:38px}
  h2{font-size:28px}
  .hero h1{font-size:38px}
  .hero-inner{grid-template-columns:1fr;min-height:0}
  .hero-visual{order:-1;max-width:620px}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
  .plan-card:nth-child(3){grid-column:1/-1}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat:nth-child(3){border-left:none;padding-left:0}
  .signup-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{position:fixed;inset:0;background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;padding:88px 28px 40px;margin:0;z-index:95;transform:translateY(-100%);transition:transform .22s ease;counter-reset:nav;overflow-y:auto}
  .main-nav.is-open{transform:translateY(0)}
  .main-nav .nav-link{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--ink);padding:12px 0;counter-increment:nav;width:100%;border-bottom:1px solid var(--line)}
  .main-nav .nav-link::before{content:counter(nav,decimal-leading-zero);font-family:var(--serif);font-size:13px;color:var(--amber);margin-right:16px;position:relative;top:-6px}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--wine)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .header-inner{gap:16px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  h1{font-size:32px}
  h2{font-size:26px}
  h3{font-size:19px}
  .hero{padding-top:36px}
  .hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .pain-grid{grid-template-columns:1fr;gap:14px}
  .pain-grid .pain-item:nth-child(2),.pain-grid .pain-item:nth-child(4){transform:none}
  .pain-item p{font-size:17px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card:nth-child(3){grid-column:auto}
  .plan-inner{padding:22px}
  .plan-inner::before{left:22px;right:22px}
  .news-grid{grid-template-columns:1fr}
  .stats-band{padding:48px 0}
  .stats-band h2{font-size:24px;margin-bottom:32px}
  .stat{padding:0 18px}
  .stat:nth-child(2n+1){border-left:none;padding-left:0}
  .stat-num{font-size:40px}
  .form-card{padding:22px}
  .faq-q{font-size:17px;gap:12px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  h1{font-size:28px}
  .hero h1{font-size:28px}
  body{font-size:15.5px}
  .plan-num{font-size:34px}
  .empty-state{padding:32px 20px}
}

/* roulang page: article */
:root{
  --ink:#17130F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --paper:#F7F1E6;
  --paper-2:#FDFAF3;
  --wine:#7A1F35;
  --wine-deep:#521220;
  --amber:#E0A458;
  --amber-soft:#F6E2C2;
  --celadon:#1F6F63;
  --line:#E2D6C2;
  --danger:#A8323A;
  --serif:"Noto Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --radius-lg:16px;
  --radius-md:10px;
  --shadow-sm:0 1px 0 rgba(83,32,44,.04),0 10px 24px -18px rgba(83,32,44,.35);
  --shadow-md:0 2px 0 rgba(83,32,44,.06),0 18px 36px -20px rgba(83,32,44,.42);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:radial-gradient(1100px 520px at 10% -8%,rgba(224,164,88,.10),transparent 62%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--wine);text-underline-offset:3px;}
a:hover{text-decoration-color:var(--amber);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);letter-spacing:.02em;line-height:1.28;margin:0;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:1.4em;}
li{margin-bottom:10px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(83,32,44,.55);}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.12;text-decoration:none;flex-shrink:0;}
.brand-mark{font-family:var(--serif);font-weight:900;font-size:19px;letter-spacing:.02em;color:var(--ink);}
.brand-ai{color:var(--wine);}
.brand-sub{font-size:11px;letter-spacing:.1em;color:var(--ink-3);margin-top:4px;font-family:var(--sans);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  text-decoration:none;padding:6px 0;transition:color .16s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--amber);border-radius:999px;transition:width .16s ease;
}
.nav-link:hover{color:var(--wine);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--wine);font-weight:700;}
.nav-link.is-active::after{width:60%;}
.nav-link:focus-visible,.brand:focus-visible,.btn:focus-visible{
  outline:2px solid var(--celadon);outline-offset:3px;border-radius:6px;
}
.nav-toggle{
  display:none;position:relative;z-index:95;width:42px;height:42px;
  border:0;background:transparent;cursor:pointer;margin-left:auto;padding:0;
}
.nav-toggle span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:24px;height:2px;background:var(--ink);border-radius:2px;transition:background .16s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:transform .16s ease,top .16s ease;
}
.nav-toggle span::before{top:-7px;}
.nav-toggle span::after{top:7px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:700;
  padding:13px 25px;border-radius:var(--radius-md);
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.btn-primary{background:var(--wine);color:var(--paper-2);box-shadow:0 8px 20px -14px rgba(82,18,32,.9);}
.btn-primary:hover{background:var(--wine-deep);transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(82,18,32,.95);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{background:transparent;color:var(--wine);border-color:var(--wine);}
.btn-secondary:hover{background:var(--amber-soft);border-color:var(--wine-deep);color:var(--wine-deep);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}
.nav-cta{margin-left:6px;padding:11px 20px;font-size:14px;}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding:30px 0 0;
}
.breadcrumb a{color:var(--ink-3);text-decoration:none;transition:color .16s ease;}
.breadcrumb a:hover{color:var(--wine);text-decoration:underline;}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);}

/* ---------- article head ---------- */
.article-wrap{padding-bottom:var(--space-section);}
.article-head{max-width:820px;margin:0 auto;padding:26px 0 0;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.badge{
  display:inline-flex;align-items:center;
  background:var(--amber-soft);color:var(--ink);
  font-size:12px;font-weight:500;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;text-decoration:none;
}
a.badge:hover{background:var(--amber);color:var(--ink);}
.meta-dot{color:var(--line);}
.article-head h1{
  font-size:40px;line-height:1.3;font-weight:900;color:var(--ink);
  margin:0 0 18px;
}
.article-lead{font-size:16px;line-height:1.85;color:var(--ink-2);margin:0 0 26px;max-width:760px;}
.rule-line{height:1px;background:var(--line);border:0;margin:0 0 40px;}

/* ---------- article body ---------- */
.article-body{
  max-width:720px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--ink-2);
}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:28px;margin:48px 0 16px;color:var(--ink);line-height:1.35;
}
.article-body h3{
  font-size:21px;margin:34px 0 12px;color:var(--ink);line-height:1.4;
}
.article-body h4{font-size:18px;margin:26px 0 10px;color:var(--ink);}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 20px;}
.article-body li{margin-bottom:10px;}
.article-body a{color:var(--wine);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{text-decoration-color:var(--amber);}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  border-left:3px solid var(--amber);background:var(--amber-soft);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  font-style:italic;font-size:16.5px;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-lg);border:1px solid var(--line);margin:26px 0;width:100%;height:auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;font-style:italic;color:var(--ink-3);margin-top:10px;text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;display:block;overflow-x:auto;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper);color:var(--ink);font-family:var(--serif);font-weight:700;}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0;}
.article-body strong{color:var(--ink);font-weight:700;}

.article-foot{margin-top:44px;}
.back-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--wine);text-decoration:none;
  transition:color .16s ease;
}
.back-link:hover{color:var(--wine-deep);text-decoration:underline;text-decoration-color:var(--amber);}

/* ---------- empty state ---------- */
.empty-state{
  max-width:720px;margin:8px auto 0;padding:52px 40px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-lg);background:var(--paper-2);
}
.empty-state h2{font-size:26px;margin:0 0 12px;}
.empty-state p{font-size:15px;color:var(--ink-3);margin:0 0 24px;}

/* ---------- related ---------- */
.section-line{border:0;height:1px;background:var(--line);margin:0;}
.related{padding:72px 0 84px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:34px;}
.section-head h2{font-size:32px;}
.section-head p{font-size:13px;color:var(--ink-3);margin:8px 0 0;}
.section-more{font-size:14px;color:var(--wine);text-decoration:none;font-weight:500;}
.section-more:hover{text-decoration:underline;text-decoration-color:var(--amber);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
  display:flex;flex-direction:column;text-decoration:none;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--amber);}
.card-media{overflow:hidden;aspect-ratio:16/9;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;line-height:1.5;color:var(--ink);transition:color .16s ease;}
.card:hover .card-body h3{color:var(--wine);}
.card-body p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0;}
.card-foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}
.card-foot .go{color:var(--wine);font-weight:500;}

/* ---------- cta ---------- */
.article-cta{padding:0 0 96px;}
.cta-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  background:var(--wine-deep);border-radius:var(--radius-lg);
  padding:56px 52px;color:var(--paper);
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border:1px dashed rgba(247,241,230,.22);border-radius:50%;
}
.cta-box h2{color:var(--paper);font-size:30px;margin:0 0 14px;}
.cta-box p{color:rgba(247,241,230,.78);font-size:15px;margin:0;line-height:1.85;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-actions .btn-primary{background:var(--amber);color:var(--wine-deep);width:100%;box-shadow:none;}
.cta-actions .btn-primary:hover{background:var(--amber-soft);color:var(--wine-deep);}
.cta-actions .btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  padding:13px 25px;border-radius:var(--radius-md);border:1px solid rgba(247,241,230,.45);
  color:var(--paper);font-size:15px;font-weight:700;text-decoration:none;
  transition:background .16s ease,border-color .16s ease;
}
.cta-actions .btn-ghost:hover{background:rgba(247,241,230,.1);border-color:var(--paper);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid rgba(247,241,230,.14);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-mark{color:var(--paper);font-size:19px;display:block;}
.footer-brand .brand-ai{color:var(--amber);}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(247,241,230,.68);margin:14px 0 0;}
.footer-col h4{font-size:14px;color:var(--paper);margin:0 0 16px;letter-spacing:.06em;font-family:var(--serif);}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;font-size:13px;color:rgba(247,241,230,.68);line-height:1.7;}
.footer-col a{color:rgba(247,241,230,.68);text-decoration:none;transition:color .16s ease;}
.footer-col a:hover{color:var(--amber);}
.footer-bottom{
  border-top:1px solid rgba(247,241,230,.14);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(247,241,230,.55);}
.footer-bottom a{color:rgba(247,241,230,.55);text-decoration:none;}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:96%;}
}
@media (max-width:1023px){
  :root{--space-section:72px;}
  .main-nav{gap:18px;}
  .nav-link{font-size:14px;}
  .nav-cta{padding:10px 16px;font-size:13px;}
  .article-head h1{font-size:34px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-box{grid-template-columns:1fr;padding:44px 38px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .main-nav,.nav-cta{display:none;}
  .main-nav.is-open{
    display:flex;position:fixed;inset:0;z-index:90;
    background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:center;
    gap:20px;padding:0 32px;margin:0;
  }
  .main-nav.is-open .nav-link{
    font-family:var(--serif);font-size:24px;font-weight:700;color:var(--ink);
    padding:0;counter-increment:none;
  }
  .main-nav.is-open .nav-link::after{display:none;}
  .main-nav.is-open .nav-link.is-active{color:var(--wine);}
  body.nav-open{overflow:hidden;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{min-height:60px;}
  .breadcrumb{padding-top:22px;}
  .article-head h1{font-size:28px;}
  .article-lead{font-size:15px;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:23px;margin-top:36px;}
  .article-body h3{font-size:19px;}
  .rule-line{margin-bottom:28px;}
  .related{padding:52px 0 60px;}
  .section-head h2{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .empty-state{padding:40px 24px;}
  .article-cta{padding-bottom:64px;}
  .cta-box{padding:34px 24px;}
  .cta-box h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:44px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .article-head h1{font-size:26px;}
  body{font-size:15.5px;}
  .btn{width:100%;}
  .nav-toggle{width:38px;height:38px;}
}

/* roulang page: category1 */
:root{
  --ink:#17130F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --paper:#F7F1E6;
  --paper-2:#FDFAF3;
  --wine:#7A1F35;
  --wine-deep:#521220;
  --amber:#E0A458;
  --amber-soft:#F6E2C2;
  --celadon:#1F6F63;
  --line:#E2D6C2;
  --danger:#A8323A;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 0 rgba(83,32,44,.04), 0 10px 24px -18px rgba(83,32,44,.35);
  --shadow-2:0 2px 0 rgba(83,32,44,.06), 0 18px 36px -20px rgba(83,32,44,.42);
  --wrap:1180px;
  --font-serif:'Noto Serif TC','Songti TC',serif;
  --font-sans:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;
  --ease:160ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(circle at 14% 0%, rgba(224,164,88,.035) 0%, rgba(224,164,88,0) 46%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--wine);text-decoration:underline;text-underline-offset:3px;transition:color var(--ease),text-decoration-color var(--ease);}
a:hover{text-decoration-color:var(--amber);}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);letter-spacing:.02em;line-height:1.25;margin:0;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 18px;padding-left:1.4em;}
li{margin-bottom:10px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(83,32,44,.5);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:flex;flex-direction:column;gap:2px;text-decoration:none;flex-shrink:0;}
.brand-mark{font-family:var(--font-serif);font-weight:900;font-size:20px;letter-spacing:.02em;color:var(--ink);line-height:1.2;}
.brand-ai{color:var(--wine);}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.14em;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);text-decoration:none;
  padding:6px 0;transition:color var(--ease);
}
.nav-link::after{
  content:'';position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--amber);border-radius:var(--radius-pill);
  transform:translateX(-50%);transition:width var(--ease);
}
.nav-link:hover{color:var(--wine);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--wine);font-weight:700;}
.nav-link.is-active::after{width:60%;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-sans);font-size:15px;font-weight:700;line-height:1.4;
  padding:14px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--wine);color:var(--paper-2);}
.btn-primary:hover{background:var(--wine-deep);color:var(--paper-2);transform:translateY(-1px);box-shadow:0 12px 22px -16px rgba(82,18,32,.85);text-decoration:none;}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--wine);border-color:var(--wine);}
.btn-ghost:hover{background:var(--amber-soft);border-color:var(--wine-deep);color:var(--wine-deep);text-decoration:none;}
.btn:disabled{background:var(--line);color:var(--ink-3);border-color:var(--line);cursor:not-allowed;box-shadow:none;transform:none;}
.nav-cta{flex-shrink:0;padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:transparent;border:0;padding:0;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:11px;width:22px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-7px;left:0;}
.nav-toggle span::after{top:7px;left:0;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-7px) rotate(-45deg);}

/* ---------- Breadcrumb / badges ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.crumb a{color:var(--ink-3);text-decoration:none;}
.crumb a:hover{color:var(--wine);text-decoration:underline;}
.crumb .crumb-now{color:var(--ink);}
.badge{
  display:inline-block;background:var(--amber-soft);color:var(--ink);
  font-size:12px;font-weight:500;letter-spacing:.06em;
  padding:5px 13px;border-radius:var(--radius-pill);line-height:1.6;
}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}

/* ---------- Page hero ---------- */
.page-hero{
  padding:48px 0 72px;
  background-image:radial-gradient(circle at 8% 0%, rgba(246,226,194,.5) 0%, rgba(246,226,194,0) 52%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;}
.hero-copy h1{font-size:40px;font-weight:900;margin-bottom:16px;}
.hero-copy .lede{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px;}
.trust{font-size:13px;color:var(--ink-3);letter-spacing:.02em;margin:0;}
.hero-figure{position:relative;margin:0;max-width:100%;}
.hero-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);
  filter:saturate(.92);
}
.hero-figure::after{
  content:'';position:absolute;inset:14px -14px -14px 14px;
  border:1px solid var(--amber);border-radius:2px;z-index:-1;
}
.hero-figure{z-index:0;}

/* ---------- Sections ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--line);}
.section:last-of-type{border-bottom:0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:34px;font-weight:900;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;
  color:var(--amber);margin-bottom:12px;
}

/* ---------- Audience cards ---------- */
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.aud-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.aud-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--amber);}
.aud-card .num{
  font-family:var(--font-serif);font-weight:900;font-size:30px;color:var(--amber);
  opacity:.9;line-height:1;display:block;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.aud-card h3{font-size:20px;margin-bottom:10px;}
.aud-card p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- Timeline ---------- */
.timeline-wrap{max-width:820px;}
.timeline{position:relative;padding-left:44px;margin:0;list-style:none;}
.timeline::before{
  content:'';position:absolute;left:7px;top:10px;bottom:26px;width:2px;background:var(--line);
}
.step{position:relative;padding-bottom:44px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:'';position:absolute;left:-44px;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--paper);border:2px solid var(--wine);box-sizing:border-box;
}
.step.is-current::before{background:var(--amber);border-color:var(--amber);box-shadow:0 0 0 4px rgba(224,164,88,.18);}
.step-no{
  display:block;font-family:var(--font-serif);font-weight:900;font-size:15px;
  color:var(--amber);letter-spacing:.16em;margin-bottom:6px;
}
.step h3{font-size:22px;margin-bottom:10px;}
.step p{color:var(--ink-2);font-size:16px;margin-bottom:12px;max-width:640px;}
.step .link-arrow{
  font-size:14px;font-weight:700;text-decoration:none;color:var(--wine);
  border-bottom:1px solid rgba(122,31,53,.35);padding-bottom:2px;
}
.step .link-arrow:hover{color:var(--wine-deep);border-bottom-color:var(--amber);}

/* ---------- Pain list ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 40px;}
.pain-item{
  border-left:3px solid var(--wine);padding:16px 22px;
  transition:background-color var(--ease);
}
.pain-item:hover{background:rgba(246,226,194,.35);}
.pain-item p{
  font-family:var(--font-serif);font-size:19px;line-height:1.6;color:var(--ink);margin:0;
}
.pain-item:nth-child(even){transform:translateY(12px);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--amber-soft);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:26px;margin-bottom:8px;}
.cta-band p{margin:0;color:var(--ink-2);font-size:15px;max-width:560px;}
.cta-band .btn{flex-shrink:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:border-color var(--ease);}
.faq-item[open]{border-bottom-color:var(--celadon);}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--wine);}
.faq-item .q-no{
  font-family:var(--font-serif);font-weight:900;font-size:13px;color:var(--amber);
  flex-shrink:0;padding-top:5px;letter-spacing:.1em;font-variant-numeric:tabular-nums;
}
.faq-item summary::after{
  content:'';margin-left:auto;flex-shrink:0;width:14px;height:14px;margin-top:7px;
  background-image:linear-gradient(var(--wine),var(--wine)),linear-gradient(var(--wine),var(--wine));
  background-size:14px 2px,2px 14px;background-position:center,center;background-repeat:no-repeat;
  transition:transform var(--ease);
}
.faq-item[open] summary{color:var(--wine);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{padding:0 0 24px 28px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:720px;}

/* ---------- Form ---------- */
.form-section{padding:96px 0;background:var(--paper);border-top:1px solid var(--line);}
.form-shell{max-width:720px;margin:0 auto;}
.form-shell h2{font-size:32px;margin-bottom:12px;}
.form-shell .form-intro{color:var(--ink-2);font-size:16px;margin-bottom:32px;}
.form-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:8px;letter-spacing:.02em;}
.req{color:var(--danger);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-sans);font-size:15px;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:12px 14px;line-height:1.5;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.field input,.field select{height:46px;}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--celadon);background:var(--paper-2);
  box-shadow:0 0 0 3px rgba(31,111,99,.18);
}
.form-card .btn{width:100%;margin-top:4px;}
.privacy{display:flex;align-items:flex-start;gap:10px;margin-top:14px;}
.privacy input[type="checkbox"]{
  width:16px;height:16px;margin:3px 0 0;flex-shrink:0;accent-color:var(--celadon);cursor:pointer;
}
.privacy label{font-size:11px;line-height:1.7;color:var(--ink-3);margin:0;cursor:pointer;}
.form-note{margin-top:16px;font-size:14px;color:var(--celadon);font-weight:500;display:none;}
.form-note.is-on{display:block;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid rgba(247,241,230,.14);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-mark{color:var(--paper);font-size:20px;}
.footer-brand .brand-ai{color:var(--amber);}
.footer-brand p{font-size:13px;color:rgba(247,241,230,.7);margin:14px 0 0;line-height:1.85;max-width:300px;}
.footer-col h4{font-family:var(--font-serif);font-size:15px;color:var(--paper);margin-bottom:16px;letter-spacing:.06em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;font-size:13px;color:rgba(247,241,230,.7);line-height:1.8;}
.footer-col a{color:rgba(247,241,230,.7);text-decoration:none;transition:color var(--ease);}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(247,241,230,.14);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:22px;padding-bottom:26px;
}
.footer-bottom p{font-size:13px;color:rgba(247,241,230,.6);margin:0;}
.footer-bottom a{color:rgba(247,241,230,.6);text-decoration:none;}
.footer-bottom a:hover{color:var(--paper);text-decoration:underline;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:50fr 50fr;gap:44px;}
  .section{padding:80px 0;}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;inset:0;z-index:110;
    display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
    gap:6px;padding:0 32px;
    background:var(--paper);
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform 220ms ease,opacity 220ms ease;
    margin-left:0;
  }
  body.nav-open .main-nav{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--ink);width:100%;padding:12px 0;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--wine);}
  .nav-link::before{
    counter-increment:navitem;content:'0' counter(navitem);
    font-family:var(--font-serif);font-size:13px;color:var(--amber);
    margin-right:14px;letter-spacing:.1em;
  }
  .main-nav{counter-reset:navitem;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  body.nav-open .nav-cta{
    display:inline-flex;position:fixed;left:32px;right:32px;bottom:36px;z-index:120;
    justify-content:center;
  }
  body.nav-open{overflow:hidden;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:560px;}
  .hero-figure::after{inset:10px -10px -10px 10px;}
  .hero-copy h1{font-size:34px;}
  .audience-grid{grid-template-columns:repeat(2,1fr);}
  .pain-grid{grid-template-columns:1fr;}
  .pain-item:nth-child(even){transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:20px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{min-height:60px;gap:12px;}
  .brand-mark{font-size:17px;}
  .brand-sub{font-size:10px;letter-spacing:.1em;}
  .page-hero{padding:32px 0 52px;}
  .hero-copy h1{font-size:28px;}
  .hero-copy .lede{font-size:15.5px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:26px;}
  .audience-grid{grid-template-columns:1fr;}
  .aud-card{padding:22px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:5px;}
  .step::before{left:-32px;width:14px;height:14px;}
  .step h3{font-size:19px;}
  .pain-item{padding:14px 18px;}
  .pain-item p{font-size:17px;}
  .faq-item summary{font-size:17px;gap:10px;padding:18px 0;}
  .faq-answer{padding-left:22px;font-size:14.5px;}
  .cta-band{padding:26px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .form-section{padding:56px 0;}
  .form-shell h2{font-size:24px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .site-footer{padding-top:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  body.nav-open .nav-cta{left:18px;right:18px;bottom:28px;}
}
@media (max-width:480px){
  h1{font-size:26px;}
  .hero-copy h1{font-size:26px;}
  body{font-size:15.5px;}
  .aud-card{padding:18px;}
  .badge{font-size:11px;padding:4px 12px;}
}

/* roulang page: category2 */
:root{
  --ink:#17130F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --paper:#F7F1E6;
  --paper-2:#FDFAF3;
  --wine:#7A1F35;
  --wine-deep:#521220;
  --amber:#E0A458;
  --amber-soft:#F6E2C2;
  --celadon:#1F6F63;
  --line:#E2D6C2;
  --danger:#A8323A;

  --font-serif:"Noto Serif TC","Songti TC",serif;
  --font-sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;

  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;

  --shadow-1:0 1px 0 rgba(83,32,44,.04), 0 10px 24px -18px rgba(83,32,44,.35);
  --shadow-2:0 2px 0 rgba(83,32,44,.06), 0 18px 36px -20px rgba(83,32,44,.42);

  --maxw:1180px;
  --gutter:24px;
  --ease:160ms ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 8% 0%, rgba(224,164,88,.16), transparent 42%),
    radial-gradient(circle at 96% 3%, rgba(122,31,53,.07), transparent 40%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:900;letter-spacing:.02em;line-height:1.25;margin:0}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
img{max-width:100%;display:block;height:auto}
a{color:var(--wine);text-decoration:underline;text-underline-offset:3px;transition:color var(--ease),text-decoration-color var(--ease)}
a:hover{text-decoration-color:var(--amber)}
ul,ol{margin:0 0 18px;padding-left:1.3em}
li{margin-bottom:10px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(83,32,44,.45)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;flex-direction:column;text-decoration:none;margin-right:auto;line-height:1.2}
.brand-mark{
  font-family:var(--font-serif);font-weight:900;font-size:19px;
  letter-spacing:.02em;color:var(--ink);text-decoration:none;
}
.brand:hover .brand-mark{text-decoration:none}
.brand-ai{color:var(--wine)}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.12em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink-2);
  text-decoration:none;padding:6px 0;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--amber);border-radius:var(--radius-pill);
  transition:width var(--ease);
}
.nav-link:hover{color:var(--wine);text-decoration:none}
.nav-link:hover::after{width:60%}
.nav-link.is-active{color:var(--wine);font-weight:700}
.nav-link.is-active::after{width:60%}
.nav-cta{white-space:nowrap}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--paper-2);cursor:pointer;position:relative;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--wine);background:var(--amber-soft)}
.nav-toggle span{
  position:absolute;left:12px;right:12px;top:50%;height:2px;
  background:var(--ink);transform:translateY(-1px);
  transition:background var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;right:0;height:2px;
  background:var(--ink);transition:transform var(--ease);
}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-7px) rotate(-45deg)}
.nav-extra{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-sans);font-size:15px;font-weight:700;
  padding:14px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--wine);color:var(--paper-2);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--wine-deep);color:var(--paper-2);transform:translateY(-1px);box-shadow:var(--shadow-2);text-decoration:none}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--wine);border-color:var(--wine)}
.btn-ghost:hover{background:var(--amber-soft);border-color:var(--wine-deep);color:var(--wine-deep);text-decoration:none}
.btn[disabled]{background:var(--line);color:var(--ink-3);border-color:var(--line);box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- Badges ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.badge{
  display:inline-block;background:var(--amber-soft);color:var(--ink);
  font-size:13px;font-weight:500;padding:4px 12px;border-radius:var(--radius-pill);
}
.badge--celadon{background:rgba(31,111,99,.12);color:var(--celadon)}
.badge--wine{background:rgba(122,31,53,.1);color:var(--wine)}

/* ---------- Hero ---------- */
.page-hero{padding:56px 0 72px}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:28px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--ink-3);text-decoration:none}
.breadcrumb a:hover{color:var(--wine);text-decoration:underline}
.breadcrumb .sep{color:var(--line)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:500}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.28;margin-bottom:16px}
.hero-sub{font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--ink);margin-bottom:14px}
.hero-desc{color:var(--ink-2);font-size:16px;max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.trust-row{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px;color:var(--ink-3)}
.trust-row li{margin:0;display:flex;align-items:center;gap:14px}
.trust-row li+li::before{content:"·";color:var(--amber);font-weight:700}
.hero-figure{position:relative;margin:0}
.hero-figure::before{
  content:"";position:absolute;inset:0;transform:translate(16px,16px);
  border:1px solid var(--amber);border-radius:0;z-index:0;
}
.hero-figure img{
  position:relative;z-index:1;width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);
}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;
  color:var(--wine);margin-bottom:14px;text-transform:uppercase;
}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16.5px;margin:0}

/* ---------- Pain questions ---------- */
.pain-list{display:grid;grid-template-columns:1fr 1fr;gap:18px 44px;max-width:980px}
.pain-item{
  border-left:3px solid var(--wine);padding:14px 22px;
  font-family:var(--font-serif);font-weight:700;font-size:19px;line-height:1.6;
  color:var(--ink);
}
.pain-item:nth-child(2),.pain-item:nth-child(4){transform:translateY(12px)}
.pain-note{margin-top:34px;font-size:14px;color:var(--ink-3);max-width:720px}

/* ---------- Storyboard board ---------- */
.board-grid{
  display:grid;grid-template-columns:1fr 1fr;
  column-gap:48px;row-gap:0;
}
.board-item{border-bottom:1px solid var(--line);padding:26px 0}
.board-item img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);
  margin-bottom:16px;transition:transform var(--ease);
}
.board-item h3{font-size:22px;margin-bottom:10px}
.board-item p{color:var(--ink-2);font-size:15.5px;margin-bottom:12px}
.board-item .board-link{font-size:14px;font-weight:700}
.board-item:hover img{transform:translateY(-2px)}
.board-feature{
  background:var(--wine-deep);color:var(--paper);
  border-radius:var(--radius-card);padding:32px;border-bottom:none;
  display:flex;flex-direction:column;justify-content:center;
}
.board-feature h3{color:var(--paper);font-size:24px;margin-bottom:12px}
.board-feature p{color:rgba(247,241,230,.82);font-size:15.5px;margin-bottom:16px}
.board-feature .board-link{color:var(--amber)}
.board-feature .board-link:hover{color:var(--paper-2)}
.board-feature .feature-label{
  display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:700;
  color:rgba(247,241,230,.7);margin-bottom:14px;
}

/* ---------- Beats ---------- */
.beats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.beat{padding:30px 24px;border-left:1px solid var(--line)}
.beat:first-child{border-left:none}
.beat-num{
  font-family:var(--font-serif);font-weight:900;font-size:40px;
  color:var(--amber);font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;display:block;
}
.beat h3{font-size:19px;margin-bottom:8px}
.beat p{font-size:14.5px;color:var(--ink-2);margin:0}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--amber)}
.scene-card h3{font-size:20px;margin:14px 0 10px}
.scene-card p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.scene-card ul{list-style:none;padding:0;margin:0}
.scene-card ul li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);margin-bottom:8px;
}
.scene-card ul li::before{
  content:"";position:absolute;left:0;top:.75em;width:10px;height:1px;background:var(--wine);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--wine)}
.faq-num{font-size:13px;color:var(--amber);font-weight:900;flex:0 0 auto;padding-top:5px;font-variant-numeric:tabular-nums}
.faq-q{flex:1}
.faq-icon{
  flex:0 0 auto;position:relative;width:16px;height:16px;margin-top:6px;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-2);transition:background var(--ease);
}
.faq-icon::before{left:0;right:0;top:7px;height:2px}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--wine)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--wine)}
.faq-a{padding:0 0 24px 30px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:720px}
.faq-item[open]{border-bottom-color:var(--celadon)}

/* ---------- Form ---------- */
.cta-panel{
  max-width:720px;margin:0 auto;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:40px;box-shadow:var(--shadow-1);
}
.cta-panel h2{font-size:30px;margin-bottom:12px}
.cta-panel .panel-desc{color:var(--ink-2);font-size:15.5px;margin-bottom:24px}
.gain-list{list-style:none;padding:0;margin:0 0 26px}
.gain-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--ink-2);margin-bottom:9px;
}
.gain-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:10px;height:1px;background:var(--wine);
}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;color:var(--ink-2);font-weight:500;margin-bottom:7px}
.req{color:var(--danger);margin-left:2px}
.input,select,textarea{
  width:100%;font-family:var(--font-sans);font-size:15px;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:11px 14px;height:46px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
textarea{height:auto;min-height:96px;resize:vertical;line-height:1.7;padding-top:12px}
.input:hover,select:hover,textarea:hover{border-color:var(--ink-3)}
.input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--celadon);
  box-shadow:0 0 0 3px rgba(31,111,99,.18);background:var(--paper-2);
}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin:20px 0 16px}
.checkbox-row input[type="checkbox"]{
  width:16px;height:16px;flex:0 0 16px;margin-top:4px;accent-color:var(--celadon);
}
.checkbox-row span{font-size:12.5px;color:var(--ink-3);line-height:1.65}
.form-submit{width:100%}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding:64px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(247,241,230,.14);
}
.footer-brand .brand-mark{color:var(--paper);font-size:19px;display:block;margin-bottom:14px}
.footer-brand .brand-ai{color:var(--amber)}
.footer-brand p{font-size:13.5px;color:rgba(247,241,230,.72);margin-bottom:10px;max-width:320px}
.footer-col h4{
  font-family:var(--font-serif);font-size:15px;color:var(--paper);
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px;font-size:13.5px;color:rgba(247,241,230,.72)}
.footer-col a{color:rgba(247,241,230,.78);text-decoration:none;transition:color var(--ease)}
.footer-col a:hover{color:var(--amber);text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 28px;font-size:13px;color:rgba(247,241,230,.6);
}
.footer-bottom p{margin:0}
.footer-bottom a{color:rgba(247,241,230,.72);text-decoration:none}
.footer-bottom a:hover{color:var(--amber);text-decoration:underline}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-copy h1{font-size:38px}
  .bottom-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1023px){
  .header-inner{gap:16px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;z-index:90}
  .site-header{z-index:80}
  .main-nav{
    position:fixed;inset:0;z-index:70;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);
    padding:96px 24px 40px;
    transform:translateX(100%);
    transition:transform 200ms ease;
    overflow-y:auto;
    counter-reset:navnum;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{
    display:flex;align-items:baseline;gap:14px;
    font-family:var(--font-serif);font-weight:700;font-size:24px;color:var(--ink);
    padding:16px 0;border-bottom:1px solid var(--line);
    counter-increment:navnum;
  }
  .main-nav .nav-link::before{
    content:counter(navnum,decimal-leading-zero);
    font-size:13px;color:var(--amber);font-family:var(--font-sans);font-weight:900;
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--wine)}
  .nav-extra{display:block;margin-top:28px}
  .nav-extra .btn{width:100%}
  .nav-extra p{font-size:12px;color:var(--ink-3);margin-top:14px;text-align:center}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure::before{transform:translate(10px,10px)}
  .hero-copy h1{font-size:34px}
  .pain-item:nth-child(2),.pain-item:nth-child(4){transform:none}
  .beats{grid-template-columns:1fr 1fr}
  .beat:nth-child(3){border-left:none}
  .beat{border-bottom:1px solid var(--line)}
  .beat:nth-last-child(-n+2){border-bottom:none}
  .scene-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-grid{gap:32px}
  .page-hero{padding:36px 0 56px}
  .hero-copy h1{font-size:30px}
  .hero-sub{font-size:17px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .pain-list{grid-template-columns:1fr;gap:16px}
  .pain-item{font-size:17px;padding:12px 18px}
  .board-grid{grid-template-columns:1fr;column-gap:0}
  .board-feature{grid-row:auto !important;padding:26px}
  .beats{grid-template-columns:1fr}
  .beat{border-left:none;border-bottom:1px solid var(--line);padding:24px 0}
  .beat:last-child{border-bottom:none}
  .scene-grid{grid-template-columns:1fr}
  .cta-panel{padding:26px 20px}
  .cta-panel h2{font-size:24px}
  .faq-item summary{font-size:17px;gap:12px}
  .faq-a{padding-left:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-mark{font-size:17px}
  .footer-brand .brand-mark{font-size:18px}
}
@media (min-width:768px){
  .board-feature{grid-row:span 2}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .hero-copy h1{font-size:27px}
  .section-head h2{font-size:24px}
  .board-item h3{font-size:19px}
  .cta-panel{padding:22px 16px}
  .trust-row{font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --ink:#17130F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --paper:#F7F1E6;
  --paper-2:#FDFAF3;
  --wine:#7A1F35;
  --wine-deep:#521220;
  --amber:#E0A458;
  --amber-soft:#F6E2C2;
  --celadon:#1F6F63;
  --line:#E2D6C2;
  --danger:#A8323A;

  --serif:"Noto Serif TC","Source Han Serif TC","Songti TC","STSong","PingFang TC","Microsoft JhengHei",serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Segoe UI","Helvetica Neue",Arial,sans-serif;

  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-pill:999px;

  --shadow-1:0 1px 0 rgba(83,32,44,.04), 0 10px 24px -18px rgba(83,32,44,.35);
  --shadow-2:0 2px 0 rgba(83,32,44,.06), 0 18px 36px -20px rgba(83,32,44,.42);

  --container:1180px;
  --speed:160ms;
  --section-y:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(120% 80% at 12% -10%, rgba(224,164,88,.10), transparent 58%),
    radial-gradient(90% 60% at 95% 5%, rgba(122,31,53,.05), transparent 60%);
}
img{max-width:100%;display:block;}
a{color:var(--wine);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color var(--speed) ease, text-decoration-color var(--speed) ease;}
a:hover{text-decoration-color:var(--amber);}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.02em;line-height:1.25;margin:0;color:var(--ink);}
p{margin:0;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color var(--speed) ease, box-shadow var(--speed) ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -14px rgba(83,32,44,.45);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  text-decoration:none;
  color:var(--ink);
  flex-shrink:0;
}
.brand-mark{
  font-family:var(--serif);
  font-weight:900;
  font-size:21px;
  letter-spacing:.02em;
  line-height:1.2;
  color:var(--ink);
}
.brand-ai{color:var(--wine);}
.brand-sub{
  font-size:11px;
  letter-spacing:.1em;
  color:var(--ink-3);
  line-height:1.4;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  text-decoration:none;
  padding:6px 0;
  transition:color var(--speed) ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  transform:translateX(-50%);
  width:0;
  height:2px;
  border-radius:var(--radius-pill);
  background:var(--amber);
  transition:width var(--speed) ease;
}
.nav-link:hover{color:var(--wine);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--wine);font-weight:700;}
.nav-link.is-active::after{width:60%;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--sans);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background-color var(--speed) ease, color var(--speed) ease, border-color var(--speed) ease, transform var(--speed) ease, box-shadow var(--speed) ease;
}
.btn-primary{background:var(--wine);color:var(--paper-2);}
.btn-primary:hover{background:var(--wine-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--wine);border-color:var(--wine);}
.btn-ghost:hover{background:var(--amber-soft);border-color:var(--wine-deep);}
.btn:disabled{background:var(--line);color:var(--ink-3);border-color:var(--line);cursor:not-allowed;transform:none;box-shadow:none;}
.nav-cta{flex-shrink:0;}

.nav-toggle{
  display:none;
  position:relative;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--paper-2);
  cursor:pointer;
  flex-shrink:0;
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform var(--speed) ease, opacity var(--speed) ease;
}
.nav-toggle span{top:20px;}
.nav-toggle::before{top:13px;}
.nav-toggle::after{top:27px;}
.nav-open .nav-toggle span{opacity:0;}
.nav-open .nav-toggle::before{transform:translateY(7px) rotate(45deg);}
.nav-open .nav-toggle::after{transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero min ---------- */
.hero-min{
  padding:40px 0 72px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:32px;
}
.breadcrumb a{color:var(--ink-3);text-decoration:none;}
.breadcrumb a:hover{color:var(--wine);text-decoration:underline;}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);}

.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:56px;
  align-items:center;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:22px;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.02em;
  background:var(--amber-soft);
  color:var(--ink);
}
.badge-wine{
  background:rgba(122,31,53,.09);
  color:var(--wine);
}
.hero-min h1{
  font-size:40px;
  line-height:1.3;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  color:var(--ink-2);
  max-width:640px;
  margin-bottom:12px;
}
.hero-lead + .hero-lead{margin-bottom:30px;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:22px;
}
.trust-line{
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.trust-line .dot{color:var(--amber);}

.hero-figure{margin:0;}
.hero-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
}
.hero-figure figcaption{
  font-size:13px;
  color:var(--ink-3);
  margin-top:12px;
  font-style:italic;
}

/* ---------- sections ---------- */
.section{
  padding:var(--section-y) 0;
  border-top:1px solid var(--line);
}
.section-head{
  max-width:760px;
  margin-bottom:44px;
}
.eyebrow{
  display:block;
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--ink-3);
  margin-bottom:14px;
}
.section-head h2{
  font-size:34px;
  margin-bottom:14px;
}
.section-head p{
  color:var(--ink-2);
  font-size:16px;
}

/* ---------- flow table ---------- */
.flow-table{
  border-top:1px solid var(--line);
}
.flow-head,
.flow-row{
  display:grid;
  grid-template-columns:230px 1fr 1fr;
  gap:24px;
  align-items:start;
}
.flow-head{
  padding:14px 18px;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--ink-3);
}
.flow-row{
  padding:20px 18px;
  min-height:64px;
  border-bottom:1px solid var(--line);
  transition:background-color var(--speed) ease;
}
.flow-row:hover{background:var(--paper-2);}
.flow-stage{
  font-family:var(--serif);
  font-weight:700;
  font-size:18px;
  display:flex;
  gap:12px;
  align-items:baseline;
  color:var(--ink);
}
.flow-stage .num{
  font-family:var(--serif);
  font-weight:900;
  font-size:15px;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.flow-cell{
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.8;
}
.flow-cell::before{content:none;}

/* ---------- cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--speed) ease, box-shadow var(--speed) ease, border-color var(--speed) ease;
  display:flex;
  flex-direction:column;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--amber);
}
.card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-bottom:1px solid var(--line);
}
.card-body{
  padding:24px 24px 26px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-index{
  font-family:var(--serif);
  font-weight:900;
  font-size:15px;
  letter-spacing:.12em;
  color:var(--amber);
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.card h3{
  font-size:20px;
  margin-bottom:10px;
}
.card p{
  font-size:15.5px;
  color:var(--ink-2);
  margin-bottom:16px;
}
.dash-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--ink-2);
  margin-bottom:8px;
  line-height:1.75;
}
.dash-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.85em;
  width:10px;
  height:1px;
  background:var(--wine);
}

/* ---------- pain points ---------- */
.pain-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px 40px;
  align-items:start;
}
.pain-item{
  border-left:3px solid var(--wine);
  padding:6px 22px;
}
.pain-item h3{
  font-size:19px;
  margin-bottom:8px;
  color:var(--ink);
}
.pain-item p{
  font-size:15.5px;
  color:var(--ink-2);
}
.pain-item:nth-child(2){margin-top:12px;}

/* ---------- faq ---------- */
.faq-wrap{
  max-width:820px;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{
  border-top:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:22px 4px;
  transition:color var(--speed) ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-family:var(--serif);
  font-weight:700;
  font-size:13px;
  color:var(--amber);
  letter-spacing:.1em;
  padding-top:4px;
  font-variant-numeric:tabular-nums;
}
.faq-q{
  font-family:var(--serif);
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  line-height:1.55;
  flex:1;
  transition:color var(--speed) ease;
}
.faq-icon{
  position:relative;
  width:16px;
  height:16px;
  margin-top:6px;
  flex-shrink:0;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--wine);
  border-radius:2px;
  transition:transform var(--speed) ease, background-color var(--speed) ease;
}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);}
.faq-item[open] .faq-q{color:var(--wine);}
.faq-item[open] summary{border-bottom-color:var(--celadon);}
.faq-a{
  padding:0 4px 24px 41px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
}

/* ---------- signup ---------- */
.signup-wrap{
  max-width:720px;
  margin:0 auto;
}
.signup-head{
  text-align:center;
  margin-bottom:32px;
}
.signup-head h2{
  font-size:32px;
  margin-bottom:14px;
}
.signup-head p{
  color:var(--ink-2);
  font-size:16px;
}
.form-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:500;
  color:var(--ink-2);
  margin-bottom:8px;
}
.req{color:var(--danger);}
input[type=text],
input[type=email],
select,
textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  transition:border-color var(--speed) ease, box-shadow var(--speed) ease, background-color var(--speed) ease;
}
textarea{
  height:auto;
  min-height:96px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
input[type=text]:focus,
input[type=email]:focus,
select:focus,
textarea:focus{
  outline:none;
  border-color:var(--celadon);
  box-shadow:0 0 0 3px rgba(31,111,99,.18);
  background:var(--paper-2);
}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:12px;
  color:var(--ink-3);
  margin:4px 0 18px;
  line-height:1.7;
}
.check-row input[type=checkbox]{
  width:16px;
  height:16px;
  margin-top:3px;
  accent-color:var(--wine);
  flex-shrink:0;
}
.form-card .btn{width:100%;}
.form-msg{
  margin-top:14px;
  font-size:14px;
  color:var(--celadon);
  text-align:center;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  border-top:1px solid rgba(247,241,230,.14);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(247,241,230,.14);
}
.footer-brand .brand-mark{
  color:var(--paper);
  font-size:20px;
  display:block;
  margin-bottom:12px;
}
.footer-brand .brand-ai{color:var(--amber);}
.footer-brand p{
  font-size:13px;
  color:rgba(247,241,230,.7);
  line-height:1.9;
  margin-bottom:6px;
}
.footer-col h4{
  font-family:var(--serif);
  font-size:15px;
  color:var(--paper);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col li{
  font-size:13px;
  color:rgba(247,241,230,.7);
  margin-bottom:10px;
  line-height:1.7;
}
.footer-col a{
  color:rgba(247,241,230,.82);
  text-decoration:none;
  transition:color var(--speed) ease;
}
.footer-col a:hover{color:var(--amber);text-decoration:underline;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 28px;
  font-size:13px;
  color:rgba(247,241,230,.6);
}
.footer-bottom a{
  color:rgba(247,241,230,.6);
  text-decoration:none;
}
.footer-bottom a:hover{color:var(--amber);text-decoration:underline;}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .container{padding:0 22px;}
}

@media (max-width:1023px){
  :root{--section-y:72px;}
  .main-nav{
    position:fixed;
    inset:0;
    z-index:95;
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:14px;
    padding:96px 30px 48px;
    background:var(--paper);
    transform:translateX(100%);
    opacity:0;
    pointer-events:none;
    transition:transform var(--speed) ease, opacity var(--speed) ease;
    overflow-y:auto;
  }
  .nav-open .main-nav{
    transform:none;
    opacity:1;
    pointer-events:auto;
  }
  .main-nav .nav-link{
    font-family:var(--serif);
    font-size:24px;
    color:var(--ink);
    padding:6px 0;
  }
  .main-nav .nav-link::after{left:0;transform:none;}
  .main-nav .nav-link.is-active{color:var(--wine);}
  .nav-toggle{display:block;z-index:110;}

  .hero-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .hero-min{padding:32px 0 56px;}
  .hero-min h1{font-size:34px;}
  .card-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .flow-head,.flow-row{grid-template-columns:180px 1fr 1fr;gap:18px;}
  .flow-stage{font-size:17px;}
}

@media (max-width:767px){
  :root{--section-y:56px;}
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  .header-inner{height:60px;gap:14px;}
  .brand-mark{font-size:17px;}
  .brand-sub{font-size:10px;letter-spacing:.06em;}
  .nav-cta{display:none;}
  .hero-min h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .pain-grid{grid-template-columns:1fr;gap:22px;}
  .pain-item:nth-child(2){margin-top:0;}

  .flow-head{display:none;}
  .flow-table{border-top:none;}
  .flow-row{
    grid-template-columns:1fr;
    gap:12px;
    padding:22px 0;
  }
  .flow-row:hover{background:transparent;}
  .flow-cell{
    display:grid;
    grid-template-columns:88px 1fr;
    gap:12px;
    font-size:15px;
  }
  .flow-cell::before{
    content:attr(data-label);
    font-size:12px;
    letter-spacing:.08em;
    color:var(--ink-3);
    padding-top:2px;
  }
  .faq-q{font-size:17px;}
  .faq-a{padding-left:34px;}
  .signup-head h2{font-size:25px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:480px){
  .hero-min h1{font-size:26px;}
  .section-head h2{font-size:23px;}
  .card-body{padding:18px;}
  .brand-sub{display:none;}
  .flow-cell{grid-template-columns:1fr;gap:4px;}
  .flow-cell::before{padding-top:0;}
}

/* roulang page: category4 */
:root{
  --ink:#17130F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --paper:#F7F1E6;
  --paper-2:#FDFAF3;
  --wine:#7A1F35;
  --wine-deep:#521220;
  --amber:#E0A458;
  --amber-soft:#F6E2C2;
  --celadon:#1F6F63;
  --line:#E2D6C2;
  --danger:#A8323A;
  --serif:"Noto Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --radius:16px;
  --radius-sm:10px;
  --shadow-1:0 1px 0 rgba(83,32,44,.04),0 10px 24px -18px rgba(83,32,44,.35);
  --shadow-2:0 2px 0 rgba(83,32,44,.06),0 18px 36px -20px rgba(83,32,44,.42);
  --section-y:96px;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(circle at 14% -6%,rgba(224,164,88,.10),transparent 46%);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--wine);text-decoration:underline;text-underline-offset:3px;transition:color 160ms ease,text-decoration-color 160ms ease}
a:hover{text-decoration-color:var(--amber)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.02em;line-height:1.25;margin:0;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--celadon);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color 160ms ease,box-shadow 160ms ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(23,19,15,.5)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;flex-direction:column;gap:2px;text-decoration:none;line-height:1.1}
.brand-mark{font-family:var(--serif);font-weight:900;font-size:20px;color:var(--ink);letter-spacing:.02em}
.brand-ai{color:var(--wine)}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  text-decoration:none;padding:6px 0;transition:color 160ms ease;
}
.nav-link::after{
  content:"";position:absolute;left:20%;right:20%;bottom:-2px;height:2px;border-radius:999px;
  background:var(--amber);opacity:0;transform:translateY(2px);transition:opacity 160ms ease,transform 160ms ease;
}
.nav-link:hover{color:var(--wine)}
.nav-link:hover::after{opacity:.55;transform:none}
.nav-link.is-active{color:var(--wine);font-weight:700}
.nav-link.is-active::after{opacity:1;transform:none}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:8px;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-sm);
  cursor:pointer;transition:border-color 160ms ease,background 160ms ease;
}
.nav-toggle:hover{border-color:var(--wine);background:var(--amber-soft)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);transition:background 160ms ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  transition:transform 160ms ease,top 160ms ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:700;line-height:1;
  padding:14px 26px;border-radius:var(--radius-sm);border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:background 160ms ease,color 160ms ease,border-color 160ms ease,transform 160ms ease,box-shadow 160ms ease;
}
.btn-primary{background:var(--wine);color:var(--paper-2);box-shadow:0 10px 22px -18px rgba(82,18,32,.9)}
.btn-primary:hover{background:var(--wine-deep);color:var(--paper-2);transform:translateY(-1px);box-shadow:0 16px 30px -20px rgba(82,18,32,.95)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--wine);color:var(--wine)}
.btn-ghost:hover{background:var(--amber-soft);border-color:var(--wine-deep);color:var(--wine-deep)}
.btn[disabled],.btn.is-disabled{background:var(--line);border-color:var(--line);color:var(--ink-3);cursor:not-allowed;box-shadow:none;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;background:var(--amber-soft);color:var(--ink);
  font-size:12px;font-weight:500;letter-spacing:.04em;
}
.badge-solid{background:rgba(122,31,53,.10);color:var(--wine)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}

/* ---------- hero ---------- */
.page-hero{padding:48px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:28px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3);text-decoration:none;border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--wine);border-bottom-color:var(--amber)}
.breadcrumb [aria-current]{color:var(--ink)}
.hero-grid{display:grid;grid-template-columns:55% 45%;gap:56px;align-items:center;padding-bottom:72px;border-bottom:1px solid var(--line)}
.hero-copy h1{font-size:48px;font-weight:900;line-height:1.22}
.hero-lead{font-family:var(--serif);font-size:20px;line-height:1.6;color:var(--wine);margin-top:18px;font-weight:700}
.hero-desc{margin-top:14px;max-width:640px;color:var(--ink-2);font-size:16.5px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{margin-top:20px;font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.hero-figure{position:relative;margin:0}
.hero-figure::before{
  content:"";position:absolute;inset:0;transform:translate(16px,16px);
  border:1px solid var(--amber);border-radius:2px;pointer-events:none;
}
.hero-figure img{
  position:relative;width:100%;aspect-ratio:16/10;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);
}

/* ---------- sections ---------- */
.section{padding:var(--section-y) 0}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:34px}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--amber);
  font-family:var(--serif);font-weight:700;margin-bottom:12px;
}
.eyebrow-num{
  font-family:var(--serif);font-weight:900;font-size:40px;color:var(--amber);
  opacity:.9;line-height:1;font-variant-numeric:tabular-nums;
}

/* ---------- case cards ---------- */
.case-list{display:grid;gap:24px}
.case-card{
  display:grid;grid-template-columns:40% 60%;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D8C8AC}
.case-media{position:relative;overflow:hidden;border-right:1px solid var(--line)}
.case-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 160ms ease}
.case-card:hover .case-media img{transform:scale(1.02)}
.case-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px}
.case-top{display:flex;align-items:center;gap:12px}
.case-no{
  font-family:var(--serif);font-weight:900;font-size:20px;color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.case-body h3{font-size:22px}
.case-context{color:var(--ink-2);font-size:15.5px;line-height:1.8;max-width:560px}
.case-metrics{
  display:flex;flex-wrap:wrap;gap:32px;
  border-top:1px dashed var(--line);padding-top:16px;margin-top:auto;
}
.metric-num{
  font-family:var(--serif);font-weight:900;font-size:26px;color:var(--wine);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric-label{font-size:12.5px;color:var(--ink-3);margin-top:2px}
.case-link{font-size:14px;font-weight:700;text-decoration:none;border-bottom:1px solid rgba(122,31,53,.35);align-self:flex-start}
.case-link:hover{border-bottom-color:var(--amber);color:var(--wine-deep)}

/* ---------- stat strip ---------- */
.stat-strip{padding:72px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:6px 26px}
.stat-item + .stat-item{border-left:1px solid var(--line)}
.stat-num{
  font-family:var(--serif);font-weight:900;font-size:56px;line-height:1;color:var(--wine);
  font-variant-numeric:tabular-nums;
}
.stat-unit{font-size:12px;color:var(--ink-3);letter-spacing:.06em;margin-top:6px}
.stat-note{font-size:13px;color:var(--ink-2);margin-top:8px;line-height:1.7}
.stat-foot{margin-top:32px;font-size:12px;color:var(--ink-3)}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:28px 26px 28px 0;border-bottom:1px solid var(--line);
}
.step:nth-child(odd){border-right:1px solid var(--line);padding-right:36px}
.step:nth-child(even){padding-left:36px}
.step-no{
  font-family:var(--serif);font-weight:900;font-size:22px;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--ink-2);font-size:15px;line-height:1.8}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);
  transition:color 160ms ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--wine)}
.faq-idx{font-family:var(--serif);font-size:13px;color:var(--amber);padding-top:6px;font-weight:700}
.faq-sign{
  margin-left:auto;position:relative;width:16px;height:16px;flex:0 0 16px;margin-top:6px;
  transition:transform 160ms ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--wine);border-radius:2px;transition:background 160ms ease;
}
.faq-sign::before{left:0;top:7px;width:16px;height:2px}
.faq-sign::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] summary{color:var(--wine)}
.faq-item[open] .faq-sign{transform:rotate(45deg)}
.faq-item[open]{border-bottom-color:var(--celadon)}
.faq-answer{padding:0 0 22px 32px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:720px}

/* ---------- form ---------- */
.signup{padding:var(--section-y) 0}
.form-shell{
  max-width:720px;margin:0 auto;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow-1);
}
.form-shell h2{font-size:30px}
.form-shell .form-intro{margin-top:12px;color:var(--ink-2);font-size:15.5px}
.field{margin-top:22px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:7px}
.field .req{color:var(--danger)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;font-family:var(--sans);font-size:15px;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--celadon);background:var(--paper-2);
  box-shadow:0 0 0 3px rgba(31,111,99,.18);
}
.consent{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:12px;color:var(--ink-3);line-height:1.7}
.consent input{width:16px;height:16px;flex:0 0 16px;margin-top:3px;accent-color:var(--celadon)}
.form-submit{width:100%;margin-top:20px}
.form-note{margin-top:12px;font-size:11px;color:var(--ink-3);line-height:1.7}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border:1px dashed var(--celadon);border-radius:var(--radius-sm);
  color:var(--celadon);font-size:14px;background:rgba(31,111,99,.06);
}
.form-success.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding:64px 0 0;border-top:1px solid rgba(247,241,230,.14)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand .brand-mark{color:var(--paper);font-size:19px;display:inline-block;margin-bottom:14px}
.footer-brand .brand-ai{color:var(--amber)}
.footer-brand p{font-size:13px;color:rgba(247,241,230,.72);line-height:1.8;margin-bottom:10px;max-width:320px}
.footer-col h4{font-family:var(--serif);font-size:15px;color:var(--paper);margin-bottom:14px;letter-spacing:.04em}
.footer-col ul li{font-size:13px;color:rgba(247,241,230,.72);line-height:1.9;margin-bottom:6px}
.footer-col ul li a{color:rgba(247,241,230,.82);text-decoration:none;border-bottom:1px solid transparent;transition:color 160ms ease,border-color 160ms ease}
.footer-col ul li a:hover{color:var(--amber);border-bottom-color:var(--amber)}
.footer-bottom{
  border-top:1px solid rgba(247,241,230,.14);padding:20px 24px 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,241,230,.6);max-width:var(--container);margin:0 auto;
}
.footer-bottom a{color:rgba(247,241,230,.72);text-decoration:none}
.footer-bottom a:hover{color:var(--amber)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:96%}
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px}
  .hero-copy h1{font-size:42px}
}
@media (max-width:1023px){
  :root{--section-y:72px}
  .main-nav{gap:20px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure img{aspect-ratio:16/9}
  .hero-copy h1{font-size:38px}
  .stat-grid{grid-template-columns:1fr 1fr;row-gap:28px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .step:nth-child(odd){border-right:0;padding-right:0}
  .step:nth-child(even){padding-left:0}
  .step-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;inset:0;z-index:70;
    display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;
    padding:96px 28px 40px;margin:0;
    background:var(--paper);
    transform:translateY(-102%);transition:transform 220ms ease;
    overflow-y:auto;counter-reset:navitem;
  }
  .main-nav.is-open{transform:none}
  .main-nav .nav-link{
    counter-increment:navitem;
    font-family:var(--serif);font-size:24px;font-weight:700;color:var(--ink);
    padding:10px 0;display:flex;align-items:baseline;gap:14px;
  }
  .main-nav .nav-link::before{
    content:counter(navitem,decimal-leading-zero);
    font-size:13px;color:var(--amber);font-weight:700;
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--wine)}
  .nav-cta{display:none}
  .brand-sub{display:none}
}
@media (max-width:767px){
  :root{--section-y:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  .hero-copy h1{font-size:32px}
  .hero-lead{font-size:18px}
  .hero-desc{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .page-hero{padding-top:28px}
  .hero-grid{padding-bottom:48px}
  .hero-figure::before{transform:translate(10px,10px)}
  .section-head h2{font-size:26px}
  .case-card{grid-template-columns:1fr}
  .case-media{border-right:0;border-bottom:1px solid var(--line)}
  .case-media img{aspect-ratio:16/9}
  .case-body{padding:22px}
  .case-body h3{font-size:19px}
  .case-metrics{gap:20px}
  .stat-grid{grid-template-columns:1fr 1fr;row-gap:24px}
  .stat-item{padding:0 16px}
  .stat-item:nth-child(odd){padding-left:0;border-left:0}
  .stat-num{font-size:40px}
  .step{padding:22px 0}
  .faq-item summary{font-size:17px;padding:18px 0}
  .faq-answer{padding-left:0}
  .form-shell{padding:24px 20px}
  .form-shell h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .hero-copy h1{font-size:28px}
  body{font-size:15.5px}
  .case-body{padding:18px}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{padding:0}
  .stat-item + .stat-item{border-left:0;border-top:1px solid var(--line);padding-top:18px}
}