/* ==========================================================================
   MINGKAI — AI 獲客系統顧問
   Design system v1.0 (Direction A / 黑金劇場)
   Pure CSS · no framework · mobile-first-ish with desktop enhancements
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  --ink:#0B0A08;
  --ink-2:#12100C;
  --ink-3:#191612;
  --ink-4:#211D17;
  --cream:#F3ECDE;
  --cream-2:#E7DFD1;
  --champagne:#C8A96A;
  --champagne-2:#B8944F;
  --gold-lt:#E9D6AE;
  --muted:#9C9285;
  --muted-2:#7E766B;
  --line:rgba(200,169,106,.24);
  --line-soft:rgba(200,169,106,.14);
  --serif:"Noto Serif TC","Source Han Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --latin:"Cormorant Garamond",Georgia,serif;
  --container:1280px;
  --gutter:48px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:88px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
[id]{scroll-margin-top:calc(var(--header-h) + 28px)}
body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--sans);
  font-weight:400;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--champagne);color:var(--ink)}
:focus-visible{outline:2px solid var(--gold-lt);outline-offset:3px}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;padding:clamp(72px,9vw,132px) 0}
.section--tight{padding:clamp(56px,6vw,84px) 0}
.section--line{border-top:1px solid var(--line)}
.section--alt{background:var(--ink-2)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* spacing utilities */
.mt-14{margin-top:14px}.mt-24{margin-top:24px}.mt-26{margin-top:26px}.mt-34{margin-top:34px}
.skip-link{position:absolute;top:-60px;left:16px;z-index:200;background:var(--champagne);color:var(--ink);padding:10px 18px;font-size:14px;transition:top .2s}
.skip-link:focus{top:12px}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.32;letter-spacing:.01em;color:var(--cream)}
h1{font-size:clamp(36px,4.1vw,56px);line-height:1.3;font-weight:700}
h2{font-size:clamp(27px,3.1vw,42px)}
h3{font-size:clamp(19px,1.7vw,24px);line-height:1.5}
h4{font-size:17px;line-height:1.55}
p{color:#B4AB9D;font-size:15.5px;line-height:1.95}
strong,b{font-weight:500;color:var(--cream)}
em{font-style:normal;color:var(--champagne)}
.lede{font-size:clamp(15.5px,1.35vw,17.5px);line-height:2;color:#B9B0A2;max-width:56ch}
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--champagne);font-weight:400;margin-bottom:26px;
}
.eyebrow::before{content:"";width:44px;height:1px;background:var(--champagne);opacity:.75;flex:none}
.mono{font-family:var(--latin);letter-spacing:.12em}
.link-underline{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;letter-spacing:.08em;color:var(--cream-2);
  border-bottom:1px solid var(--line);padding-bottom:6px;
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.link-underline:hover{color:var(--gold-lt);border-color:var(--champagne)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  min-height:52px;padding:14px 30px;border:0;border-radius:2px;
  font-family:var(--sans);font-size:15px;font-weight:500;letter-spacing:.05em;
  cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
  text-align:center;
}
.btn-gold{
  background:linear-gradient(100deg,#D8B878,#C8A96A 55%,#B8944F);
  color:#141008;
  box-shadow:0 16px 34px -18px rgba(200,169,106,.55);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 22px 44px -18px rgba(200,169,106,.7)}
.btn-ghost{border:1px solid var(--line);color:var(--cream-2);background:transparent}
.btn-ghost:hover{border-color:var(--champagne);color:var(--gold-lt);background:rgba(200,169,106,.06)}
.btn-block{width:100%}
.btn svg{width:18px;height:18px;flex:none}

/* ---------- Header / nav ---------- */
.header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,10,8,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.nav__brand{display:flex;align-items:center;gap:14px;flex:none}
.nav__brand img{height:34px;width:auto}
.nav__links{display:flex;align-items:center;gap:clamp(22px,3vw,44px);list-style:none}
.nav__links a{
  position:relative;display:inline-block;padding:8px 0;
  font-size:14px;letter-spacing:.12em;color:#CFC6B8;transition:color .3s var(--ease);
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--champagne);transition:width .32s var(--ease);
}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--gold-lt)}
.nav__links a:hover::after,.nav__links a[aria-current="page"]::after{width:100%}
.nav__cta{padding:11px 24px;font-size:13.5px;border:1px solid var(--champagne);color:var(--gold-lt);letter-spacing:.12em;transition:.3s var(--ease);flex:none}
.nav__cta:hover{background:var(--champagne);color:var(--ink)}
.nav__toggle{
  display:none;align-items:center;justify-content:center;
  width:46px;height:46px;border:1px solid var(--line);background:transparent;cursor:pointer;
}
.nav__toggle span{display:block;width:20px;height:1px;background:var(--cream);position:relative}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:20px;height:1px;background:var(--cream);transition:transform .3s var(--ease),top .3s var(--ease)}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}
.nav__toggle[aria-expanded="true"] span{background:transparent}
.nav__toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav__toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.nav__drawer{display:none;border-top:1px solid var(--line);background:var(--ink)}
.nav__drawer ul{list-style:none;padding:8px 0 20px}
.nav__drawer a{display:block;padding:15px 0;font-size:15px;letter-spacing:.08em;border-bottom:1px solid var(--line-soft);color:var(--cream-2)}
.nav__drawer .btn{margin-top:18px}
.nav__drawer.is-open{display:block}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(58% 52% at 74% 40%,rgba(200,169,106,.13),transparent 70%),
    radial-gradient(42% 42% at 10% 88%,rgba(200,169,106,.06),transparent 70%),
    linear-gradient(180deg,#0B0A08 0%,#0E0C09 62%,#0B0A08 100%);
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.04fr .96fr;gap:24px;
  align-items:center;min-height:clamp(520px,64vh,600px);
  padding-top:clamp(48px,6vw,72px);
}
.hero__copy{max-width:700px;padding-block:clamp(24px,4vw,48px)}
.hero h1{margin-bottom:26px}
.hero h1 em{position:relative;white-space:nowrap}
.hero .lede{max-width:520px}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px 30px;margin-top:34px}
.hero__art{position:relative;align-self:end;display:flex;justify-content:center;align-items:flex-end;height:clamp(340px,52vw,604px)}
.hero__art .frame{position:absolute;right:8px;top:22px;width:72%;height:70%;border:1px solid var(--line);pointer-events:none}
.hero__art picture{position:relative;z-index:2;height:100%;display:flex;align-items:flex-end}
.hero__art img{
  height:100%;width:auto;object-fit:contain;object-position:bottom;
  filter:contrast(1.04) saturate(.92);
  -webkit-mask-image:linear-gradient(180deg,#000 76%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 76%,transparent 100%);
}
.hero__scroll{display:none}

/* proof strip */
.proof{border-top:1px solid var(--line);background:rgba(11,10,8,.6);position:relative;z-index:3}
.proof__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.proof__item{padding:24px 28px;border-right:1px solid var(--line)}
.proof__item:first-child{padding-left:0}
.proof__item:last-child{border-right:0}
.proof__num{font-family:var(--latin);font-size:clamp(30px,3.2vw,42px);line-height:1;color:var(--gold-lt)}
.proof__num small{font-family:var(--sans);font-size:13px;letter-spacing:.06em;color:var(--champagne);margin-left:4px}
.proof__label{margin-top:9px;font-size:12.5px;letter-spacing:.18em;color:var(--muted)}

/* ---------- Section head ---------- */
.sec-head{display:grid;grid-template-columns:210px 1fr;gap:clamp(24px,4vw,44px);align-items:start;margin-bottom:clamp(40px,5vw,76px)}
.sec-head__no{font-family:var(--latin);font-size:13px;letter-spacing:.28em;color:var(--champagne);padding-top:12px;display:flex;align-items:center;gap:12px}
.sec-head__no::after{content:"";height:1px;flex:1;max-width:56px;background:var(--line)}
.sec-head h2{max-width:22ch}
.sec-head p{margin-top:15px;max-width:62ch;color:var(--muted)}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  position:relative;padding:clamp(64px,8vw,104px) 0 clamp(44px,5vw,64px);
  border-bottom:1px solid var(--line);overflow:hidden;
  background:radial-gradient(60% 70% at 78% 10%,rgba(200,169,106,.1),transparent 70%),var(--ink);
}
.page-hero .eyebrow{margin-bottom:20px}
.page-hero .container{position:relative}
.page-hero__mark{
  position:absolute;right:0;top:-14px;z-index:0;
  font-family:var(--latin);font-weight:600;font-size:clamp(96px,11vw,168px);line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(200,169,106,.2);
  letter-spacing:.02em;pointer-events:none;user-select:none;
}
@media (max-width:900px){.page-hero__mark{display:none}}
.page-hero h1{max-width:18ch}
.page-hero .lede{margin-top:20px}
.crumbs{display:flex;gap:10px;align-items:center;font-size:11.5px;letter-spacing:.14em;color:var(--muted-2);margin-bottom:22px}
.crumbs a:hover{color:var(--champagne)}
.crumbs span{color:var(--line)}

/* ---------- Services list ---------- */
.svc-list{border-top:1px solid var(--line)}
.svc-row{
  display:grid;grid-template-columns:72px 1fr 1.25fr 120px;gap:clamp(16px,3vw,34px);
  align-items:start;padding:clamp(28px,3.4vw,48px) 6px;border-bottom:1px solid var(--line);
  transition:background .4s var(--ease),padding .4s var(--ease);
}
.svc-row:hover{background:linear-gradient(90deg,rgba(200,169,106,.05),transparent 72%);padding-left:22px}
.svc-row__idx{font-family:var(--latin);font-size:19px;color:var(--champagne);letter-spacing:.08em;padding-top:5px}
.svc-row h3{font-size:clamp(20px,1.8vw,26px);font-weight:600}
.svc-row h3 span{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.24em;color:var(--muted);font-weight:400;margin-top:10px}
.svc-row p{font-size:14.5px;color:#A9A093}
.svc-row__arrow{align-self:center;justify-self:end;width:52px;height:52px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--champagne);transition:.4s var(--ease)}
.svc-row:hover .svc-row__arrow{background:var(--champagne);color:var(--ink);border-color:var(--champagne);transform:rotate(-45deg)}
.svc-row__arrow svg{width:18px;height:18px}

/* ---------- Cards / tiles ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tile{background:var(--ink-2);padding:clamp(28px,3vw,44px);position:relative}
.tile h3{margin:14px 0 10px}
.tile p{font-size:14.5px}
.tile .num{font-family:var(--latin);font-size:13px;letter-spacing:.2em;color:var(--champagne)}
.tile--line{border:1px solid var(--line);background:transparent}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:#C9C0B2;border:1px solid var(--line);padding:7px 13px;border-radius:999px}

/* ---------- Case files ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.case-file{background:var(--ink-2);padding:clamp(30px,3.6vw,52px);display:flex;flex-direction:column}
.case-file__tag{font-size:11px;letter-spacing:.28em;color:var(--champagne);margin-bottom:22px;display:block}
.case-file h3{font-size:clamp(21px,2vw,28px);line-height:1.55;max-width:26ch}
.case-file blockquote{margin-top:22px;padding-left:20px;border-left:1px solid var(--champagne);color:#B4AB9D;font-size:14.5px;line-height:2}
.case-file__metrics{display:flex;flex-wrap:wrap;gap:26px 40px;margin-top:auto;padding-top:30px;border-top:1px solid var(--line)}
.case-file__metrics b{display:block;font-family:var(--latin);font-size:clamp(28px,2.6vw,34px);line-height:1;color:var(--gold-lt);font-weight:600}
.case-file__metrics span{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--muted);margin-top:8px}
.case-note{margin-top:20px;font-size:12px;color:var(--muted-2);letter-spacing:.03em}

/* ---------- Course band ---------- */
.course-band{
  position:relative;overflow:hidden;
  padding:clamp(64px,8vw,110px) 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:radial-gradient(55% 70% at 78% 30%,rgba(200,169,106,.15),transparent 70%),linear-gradient(180deg,#0C0B08,#131009 55%,#0B0A08);
}
.course-band__inner{display:grid;grid-template-columns:1.18fr .82fr;gap:clamp(32px,5vw,72px);align-items:center}
.course-band h2 em{color:var(--champagne)}
.course-band .desc{margin-top:22px;max-width:56ch;color:#AFA697}
.course-points{list-style:none;margin-top:26px;display:grid;gap:12px}
.course-points li{display:flex;gap:12px;font-size:14.5px;color:#C4BBAE}
.course-points li::before{content:"—";color:var(--champagne);flex:none}
.price-box{border:1px solid var(--line);padding:clamp(28px,3vw,44px);background:rgba(255,255,255,.015)}
.price-box__en{font-family:var(--latin);font-size:12px;letter-spacing:.28em;color:var(--muted)}
.price-box__price{font-family:var(--latin);font-size:clamp(44px,4.4vw,62px);line-height:1;color:var(--gold-lt);margin:14px 0 6px}
.price-box__price small{font-family:var(--sans);font-size:13px;letter-spacing:.1em;color:#A79D8E}
.price-box__note{font-size:12.5px;color:var(--muted);letter-spacing:.04em;margin-top:12px}
.price-box .btn{margin-top:24px}
.price-box__fine{margin-top:14px;text-align:center;font-size:11.5px;color:var(--muted-2)}

/* ---------- About split ---------- */
.split{display:grid;grid-template-columns:.44fr .56fr;gap:clamp(28px,5vw,64px);align-items:center}
.split__media{position:relative}
.split__media img{width:100%;height:auto}
.split__quote{font-family:var(--serif);font-size:clamp(22px,2.3vw,32px);line-height:1.7;color:#EDE4D4;font-weight:500}
.split__quote em{color:var(--champagne)}
.split__sig{margin-top:28px;display:flex;align-items:center;gap:16px;color:var(--muted);font-size:12.5px;letter-spacing:.1em}
.split__sig::before{content:"";width:36px;height:1px;background:var(--champagne);flex:none}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;list-style:none;
  font-family:var(--serif);font-size:clamp(16px,1.5vw,19px);color:var(--cream-2);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--sans);font-size:22px;color:var(--champagne);transition:transform .3s var(--ease);flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq__a{padding:0 4px 24px;max-width:72ch}
.faq .faq__a p{font-size:14.5px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,4vw,56px);align-items:start}
.form{border:1px solid var(--line);padding:clamp(26px,3.4vw,44px);background:rgba(255,255,255,.012)}
.form h2{font-size:clamp(24px,2.4vw,30px);margin-bottom:8px}
.form__intro{font-size:13.5px;color:var(--muted);margin-bottom:26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:12.5px;letter-spacing:.1em;color:#C9C0B2;margin-bottom:8px}
.field label .req{color:var(--champagne);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.03);border:1px solid rgba(200,169,106,.22);
  border-radius:2px;padding:13px 14px;font-size:14.5px;color:var(--cream);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#6F6A60}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--champagne);background:rgba(255,255,255,.05)}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form__hint{font-size:11.5px;color:var(--muted-2);margin-top:14px;line-height:1.7}
.form__status{margin-top:14px;font-size:13px;color:var(--gold-lt)}
.contact-info{display:grid;gap:22px}
.contact-info__item{border-top:1px solid var(--line);padding-top:18px}
.contact-info__item dt{font-size:11.5px;letter-spacing:.2em;color:var(--champagne);margin-bottom:8px}
.contact-info__item dd{font-size:15px;color:var(--cream-2);line-height:1.8}
.contact-info__item a:hover{color:var(--gold-lt)}
.contact-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}

/* ---------- Legal / prose ---------- */
.prose{max-width:76ch}
.prose h2{font-size:clamp(22px,2.2vw,28px);margin:44px 0 14px}
.prose h3{font-size:clamp(17px,1.6vw,20px);margin:30px 0 10px}
.prose p,.prose li{font-size:14.5px;color:#B4AB9D;line-height:2}
.prose ul,.prose ol{margin:12px 0 12px 22px}
.prose li{margin-bottom:6px}
.prose a{color:var(--champagne);border-bottom:1px solid var(--line)}
.prose .updated{font-size:12px;color:var(--muted-2);letter-spacing:.06em;margin-bottom:26px}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);padding:clamp(64px,8vw,104px) 0;background:
  radial-gradient(60% 80% at 50% 0%,rgba(200,169,106,.12),transparent 70%),var(--ink)}
.cta-band h2{max-width:20ch;margin-inline:auto;text-align:center}
.cta-band p{margin:18px auto 0;max-width:52ch;text-align:center;color:var(--muted)}
.cta-band__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-top:30px}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--ink-2);padding:clamp(24px,2.6vw,36px);counter-increment:step;position:relative}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-family:var(--latin);font-size:13px;letter-spacing:.2em;color:var(--champagne);
  display:block;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:13.5px;color:#A9A093}

/* ---------- Checklist ---------- */
.checklist{list-style:none;display:grid;gap:11px}
.checklist li{position:relative;padding-left:26px;font-size:14.5px;color:#B8AFA1;line-height:1.85}
.checklist li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:1px;background:var(--champagne)}
.checklist--2{grid-template-columns:1fr 1fr;gap:11px 32px}

/* ---------- Callout ---------- */
.callout{border-left:1px solid var(--champagne);padding:2px 0 2px 20px;margin:26px 0;font-size:14px;color:#B4AB9D}
.callout b{color:var(--cream)}

/* ---------- Simple table ---------- */
.table{width:100%;border-collapse:collapse;margin-top:8px}
.table th,.table td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
.table th{font-family:var(--serif);font-weight:600;color:var(--cream);font-size:15px;letter-spacing:.02em}
.table td{color:#B0A79A}
.table th:first-child,.table td:first-child{padding-left:0}
.table td b{color:var(--gold-lt);font-family:var(--latin);font-size:16px}

/* ---------- Footer ---------- */
.footer{background:#080705;border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 28px}
.footer__grid{display:grid;grid-template-columns:1.3fr .7fr .9fr .7fr;gap:clamp(24px,4vw,48px)}
.footer__brand img{height:30px;width:auto}
.footer__brand p{margin-top:16px;font-size:13px;color:#8E8579;max-width:32ch;line-height:1.9}
.footer h4{font-size:11.5px;letter-spacing:.22em;color:#CFC6B8;font-weight:500;margin-bottom:16px}
.footer__col a,.footer__col p{display:block;font-size:13.5px;color:#8E8579;margin-bottom:9px;letter-spacing:.03em}
.footer__col a:hover{color:var(--champagne)}
.footer__bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(200,169,106,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:11.5px;color:#6E675D;letter-spacing:.06em}

/* ---------- Motion ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .js .reveal{opacity:1;transform:none}
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1080px){
  :root{--gutter:32px}
  .nav__links{gap:20px}
  .hero__inner{grid-template-columns:1.06fr .94fr;min-height:520px}
  .svc-row{grid-template-columns:56px 1fr 1.05fr 60px}
}

@media (max-width:900px){
  :root{--gutter:24px;--header-h:72px}
  .nav__links,.header .nav__cta{display:none}
  .nav__toggle{display:inline-flex}
  .nav__brand img{height:30px}
  .hero__inner{grid-template-columns:1fr;min-height:0;padding-top:36px}
  .hero__copy{padding-block:8px 0;max-width:none}
  .hero__art{height:min(72vw,440px);margin-top:10px;order:2}
  .hero__art .frame{right:calc(50% - 42vw);top:14px}
  .hero h1{font-size:clamp(34px,7.4vw,50px)}
  .hero__actions{gap:14px 22px}
  .proof__grid{grid-template-columns:repeat(2,1fr)}
  .proof__item{padding:20px 18px}
  .proof__item:nth-child(1),.proof__item:nth-child(2){border-bottom:1px solid var(--line)}
  .proof__item:nth-child(2){border-right:0}
  .proof__item:nth-child(3){padding-left:0}
  .sec-head{grid-template-columns:1fr;gap:16px}
  .sec-head__no{padding-top:0}
  .svc-row{grid-template-columns:44px 1fr;gap:10px 16px}
  .svc-row p{grid-column:2}
  .svc-row__arrow{display:none}
  .grid-2,.case-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr;gap:14px}
  .steps{grid-template-columns:1fr 1fr}
  .checklist--2{grid-template-columns:1fr}
  .course-band__inner{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .split__media{max-width:380px}
  .contact-grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px}
}

@media (max-width:560px){
  :root{--gutter:18px}
  body{font-size:15px}
  .section{padding:64px 0}
  .hero h1 em{white-space:normal}
  .hero__actions .btn{width:100%}
  .hero__actions{gap:12px}
  .proof__num{font-size:28px}
  .proof__label{font-size:11.5px;letter-spacing:.12em}
  .case-file__metrics{gap:22px 30px}
  .field--row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column}
  .cta-band__actions .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .price-box__price{font-size:46px}
}

/* Print */
@media print{
  .header,.footer,.cta-band,.hero__art{display:none}
  body{background:#fff;color:#111}
  p,h1,h2,h3{color:#111}
}

/* ---------- 三方案定價卡（2026-10-19） ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.plan{border:1px solid var(--line);padding:clamp(24px,2.4vw,32px);display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,.015)}
.plan--featured{border-color:rgba(200,169,106,.5);background:linear-gradient(175deg,rgba(200,169,106,.12),transparent 62%)}
.plan__label{font-family:var(--sans);font-size:11.5px;letter-spacing:.24em;color:var(--champagne)}
.plan h3{font-family:var(--serif);font-size:22px;font-weight:600;color:var(--cream);line-height:1.4}
.plan__price{font-family:var(--latin);font-size:clamp(30px,3vw,38px);color:var(--gold-lt);line-height:1.1;display:flex;align-items:baseline;gap:10px}
.plan__price small{font-family:var(--sans);font-size:11.5px;letter-spacing:.1em;color:var(--muted)}
.plan > p{font-size:13.5px;line-height:1.85;color:var(--muted)}
.plan ul{list-style:none;display:grid;gap:10px;margin:2px 0 6px}
.plan li{position:relative;padding-left:18px;font-size:13.5px;color:var(--muted);line-height:1.7}
.plan li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:1px;background:var(--champagne)}
.plan .btn{margin-top:auto}
.price-box__plans{list-style:none;display:grid;gap:8px;margin:16px 0 0;padding:0}
.price-box__plans li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line-soft);padding-bottom:8px}
.price-box__plans b{font-weight:500;color:var(--cream-2)}
.price-box__plans i{font-style:normal;font-family:var(--latin);font-size:16px;color:var(--gold-lt)}
@media (max-width:1024px){.plans{grid-template-columns:1fr}}