/* Base layout shared by all themes. Themes only set variables + a few overrides. */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
.lang-zh{--font-body:var(--font-body-zh);--font-head:var(--font-head-zh)}
h1,h2,h3{font-family:var(--font-head);font-weight:var(--head-weight,700);letter-spacing:var(--head-tracking,-.02em);text-transform:var(--head-case,none);line-height:1.1;margin:0 0 .5em}
p{margin:0 0 1em}
a{color:inherit}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
button{font:inherit}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;border:var(--btn-border,0);cursor:pointer;
  background:var(--accent);color:var(--accent-fg);padding:.85em 1.5em;border-radius:var(--btn-radius,10px);
  font-weight:600;font-size:1rem;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;box-shadow:var(--btn-shadow,none)}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--focus,var(--accent));outline-offset:3px}
.btn-ghost{background:transparent;color:var(--fg);box-shadow:inset 0 0 0 2px var(--border)}
.btn-sm{padding:.5em 1em;font-size:.9rem}
.btn-lg{padding:1em 2em;font-size:1.1rem}
.btn-block{width:100%}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--header-bg,var(--bg));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.top-in{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-head);font-weight:700;font-size:1.1rem}
.logo-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:var(--mark-radius,8px);background:var(--accent);color:var(--accent-fg);font-size:.95rem}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{text-decoration:none;color:var(--muted);font-size:.95rem}
.nav a:hover{color:var(--fg)}
.top-actions{display:flex;align-items:center;gap:14px}
.langs{display:flex;border:1px solid var(--border);border-radius:var(--btn-radius,10px);overflow:hidden}
.langs a{padding:.35em .6em;font-size:.8rem;text-decoration:none;color:var(--muted)}
.langs a[aria-current]{background:var(--fg);color:var(--bg)}

/* hero */
.hero{position:relative;overflow:hidden;padding:88px 0 96px;background:var(--hero-bg,transparent)}
.hero-in{position:relative;display:grid;gap:48px;align-items:center}
.hero-split .hero-in{grid-template-columns:1.25fr .9fr}
.hero-center .hero-in{text-align:center;justify-items:center}
.hero-center .hero-text{max-width:800px}
.hero-center .hero-cta,.hero-center .badges{justify-content:center}
.hero-center .hero-card{width:100%;max-width:560px}
.hero-bigtype .hero-in{grid-template-columns:1fr}
.hero-bigtype h1{font-size:clamp(2.6rem,7.5vw,6.2rem);max-width:14ch}
.hero-bigtype .hero-card{display:none}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--eyebrow,var(--accent));margin-bottom:1.2em}
h1{font-size:clamp(2.2rem,5vw,3.9rem)}
.lead{font-size:1.2rem;color:var(--muted);max-width:60ch}
.hero-center .lead{margin-inline:auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:2em 0 1.6em}
.badges{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.badges li{font-size:.85rem;padding:.35em .8em;border:1px solid var(--border);border-radius:99px;color:var(--muted);background:var(--badge-bg,transparent)}
.hero-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);text-align:left}
.hc-head{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--muted);margin-bottom:14px}
.dots{display:flex;gap:5px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--border)}
.hc-role{font-family:var(--font-head);font-weight:700;font-size:1.2rem;margin-bottom:10px}
.hero-card ul{list-style:none;padding:0;margin:0}
.hero-card li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px dashed var(--border);font-size:.95rem}
.hero-card b{color:var(--accent-text,var(--accent));white-space:nowrap}

/* sections */
.sec{padding:88px 0;border-top:1px solid var(--sec-border,transparent)}
.sec:nth-of-type(even){background:var(--bg2,transparent)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2,.note h2,.final h2{font-size:clamp(1.8rem,3.6vw,2.7rem)}
.sec-head p{color:var(--muted)}

/* services: base item */
.svc-list{list-style:none;padding:0;margin:0}
.svc h3{font-size:1.2rem;margin-bottom:.35em}
.svc p{color:var(--muted);font-size:.97rem;margin:0}
.svc .svc-days{font-size:.85rem;margin-top:.5em}
.svc-num{font-family:var(--font-mono,var(--font-head));font-size:.85rem;color:var(--accent-text,var(--accent));font-weight:700}
.svc-price{white-space:nowrap}
.svc-price b{font-family:var(--font-head);font-size:1.45rem;color:var(--fg)}
.svc-price .from,.svc-price .unit{font-size:.82rem;color:var(--muted)}
/* grid */
.view-grid .svc-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.view-grid .svc{display:flex;flex-direction:column;gap:14px;padding:26px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.view-grid .svc-body{flex:1}
.view-grid .svc-btn{align-self:flex-start}
/* list */
.view-list .svc{display:grid;grid-template-columns:60px 1fr auto auto;gap:24px;align-items:center;padding:28px 0;border-top:1px solid var(--border)}
.view-list .svc:last-child{border-bottom:1px solid var(--border)}
/* table */
.view-table .svc-list{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.view-table .svc{display:grid;grid-template-columns:1fr 220px 110px;gap:20px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--border)}
.view-table .svc:last-child{border-bottom:0}
.view-table .svc:nth-child(even){background:var(--row-alt,transparent)}
.view-table .svc-num{display:none}
.view-table .svc-price{text-align:right}
.view-table .svc-btn{justify-self:end}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.why-item{padding:26px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border)}
.why-item h3{font-size:1.15rem}
.why-item p{color:var(--muted);margin:0}

/* process */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li{position:relative;padding-top:20px;border-top:2px solid var(--accent)}
.step-n{display:block;font-family:var(--font-head);font-size:2.4rem;font-weight:700;color:var(--accent-text,var(--accent));line-height:1;margin-bottom:.4em}
.steps h3{font-size:1.15rem}
.steps p{color:var(--muted);font-size:.97rem;margin:0}

/* notes (portfolio / meeting) */
.note{padding:64px 0}
.note-in{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:40px;border-radius:var(--radius);background:var(--note-bg,var(--card));color:var(--note-fg,var(--fg));border:1px solid var(--border)}
.note-in p{max-width:60ch;margin:0;color:var(--note-muted,var(--muted))}
.note-in .btn{flex-shrink:0}
.note-meet .note-in{background:var(--card);color:var(--fg)}
.note-meet .note-in p{color:var(--muted)}

/* faq */
.faq-list{max-width:820px}
details{border-bottom:1px solid var(--border)}
summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;position:relative;font-family:var(--font-head);font-weight:600;font-size:1.12rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--accent-text,var(--accent));transition:transform .2s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{color:var(--muted);padding-bottom:20px;margin:0}

/* final */
.final-in{text-align:center;max-width:720px;margin:0 auto}
.final p{color:var(--muted);font-size:1.15rem;margin-bottom:1.8em}

/* footer */
.foot{border-top:1px solid var(--border);padding:28px 0;font-size:.9rem;color:var(--muted)}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* modal */
.modal{border:0;padding:0;width:min(520px,calc(100% - 24px));max-height:calc(100dvh - 24px);border-radius:var(--radius);background:var(--modal-bg,var(--card-solid,var(--bg)));color:var(--fg);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal::backdrop{background:rgba(10,10,20,.55);backdrop-filter:blur(4px)}
.lead-form{position:relative;padding:34px 30px 26px}
.lead-form h2{font-size:1.7rem;padding-right:30px}
.form-sub{color:var(--muted);font-size:.9rem}
.modal-x{position:absolute;top:14px;right:14px;width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:1.6rem;cursor:pointer;line-height:1}
.modal-x:hover{color:var(--fg)}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:.88rem;font-weight:600;margin-bottom:6px}
.field input,.field textarea{width:100%;font:inherit;font-size:16px;padding:.75em .9em;border:1.5px solid var(--border);border-radius:var(--input-radius,8px);background:var(--input-bg,transparent);color:var(--fg);transition:border-color .15s}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--accent)}
.field [aria-invalid="true"]{border-color:#e5484d}
.field .ok{border-color:#30a46c}
.err{display:block;min-height:1.1em;font-size:.82rem;color:#e5484d;margin-top:4px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{color:#e5484d;font-size:.9rem;margin:12px 0 0;min-height:1em}
.form-status a{color:inherit;font-weight:600}
.form-privacy{font-size:.8rem;color:var(--muted);margin:8px 0 0}
.ok-view{text-align:center;padding:20px 0}
.ok-mark{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--accent-fg);font-size:2rem}

/* responsive */
@media (max-width:960px){
  .hero-split .hero-in{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .view-list .svc{grid-template-columns:44px 1fr;gap:10px 16px}
  .view-list .svc-price,.view-list .svc-btn{grid-column:2}
  .view-list .svc-btn{justify-self:start}
  .view-table .svc{grid-template-columns:1fr auto}
  .view-table .svc-body{grid-column:1/-1}
  .view-table .svc-price{text-align:left}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav{display:none}
  .top-actions{margin-left:auto;gap:8px}
  .top-in{height:60px;gap:10px}
  .logo-text{font-size:1rem}
  .hero{padding:56px 0 64px}
  .sec{padding:64px 0}
  .steps{grid-template-columns:1fr}
  .note-in{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .view-grid .svc-list{grid-template-columns:1fr}
  .lead-form{padding:28px 20px 20px}
}
@media (max-width:420px){
  .logo-text{display:none}
  .hero-cta .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* theme: swiss */
:root{--bg:#fff;--bg2:#f4f4f4;--fg:#111;--muted:#555;--accent:#e10600;--accent-fg:#fff;--card:#fff;--card-solid:#fff;--border:#d9d9d9;
--radius:0;--btn-radius:0;--mark-radius:0;--input-radius:0;--shadow:none;--head-weight:800;--head-tracking:-.035em;
--font-head:'Inter Tight',Arial,sans-serif;--font-body:'Inter',Arial,sans-serif;
--font-head-zh:'Inter Tight','Noto Sans SC',sans-serif;--font-body-zh:'Inter','Noto Sans SC',sans-serif;--sec-border:#111}
.hero{background-image:linear-gradient(to right,#ececec 1px,transparent 1px);background-size:calc((min(100vw,1160px) - 40px)/12) 100%;background-position:center}
.eyebrow{color:#111;border-left:6px solid var(--accent);padding-left:10px}
.hero-card{border:2px solid #111}
.steps li{border-top:4px solid #111}
.step-n{color:var(--accent)}
.note-portfolio .note-in{--note-bg:#111;--note-fg:#fff;--note-muted:#bbb;border:0}
.note-portfolio .btn{background:var(--accent)}
.why-item{border:0;border-top:4px solid #111;padding:22px 0;background:transparent}