/* === Blueprint Engine — Reset === */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
img,svg,video{max-width:100%;height:auto;display:block}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:root{color-scheme:light}

/* === Blueprint Engine — Design Tokens (Luxury Minimal) === */
:root{
  --quaiyu-bg:#fafaf7;
  --quaiyu-surface:#ffffff;
  --quaiyu-text:#1a1a1a;
  --quaiyu-muted:#6b6b6b;
  --quaiyu-primary:#1a1a1a;
  --quaiyu-primary-fg:#fafaf7;
  --quaiyu-accent:#a87c5a;
  --quaiyu-border:#e8e4dd;
  --quaiyu-radius-sm:2px;
  --quaiyu-radius-md:4px;
  --quaiyu-radius-lg:8px;
  --quaiyu-radius-pill:999px;
  --quaiyu-shadow-sm:0 1px 1px rgba(0,0,0,0.02);
  --quaiyu-shadow-md:0 2px 8px rgba(0,0,0,0.04);
  --quaiyu-shadow-lg:0 8px 24px rgba(0,0,0,0.06);
  --quaiyu-section-y:144px;
  --quaiyu-section-y-mob:88px;
  --quaiyu-container:1180px;
  --quaiyu-font-h:"Geist", "Inter", system-ui, sans-serif;
  --quaiyu-font-b:"Inter", system-ui, sans-serif;
}

/* === Base typography & layout === */
body{
  font-family:var(--quaiyu-font-b);
  background:var(--quaiyu-bg);
  color:var(--quaiyu-text);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.quaiyu-container{max-width:var(--quaiyu-container);margin:0 auto;padding:0 24px}
.quaiyu-section{padding:var(--quaiyu-section-y) 0}
.quaiyu-section--alt{background:var(--quaiyu-surface)}
.quaiyu-pad-y-lg{padding-top:calc(var(--quaiyu-section-y) + 16px);padding-bottom:var(--quaiyu-section-y)}
.quaiyu-h1{
  font-family:var(--quaiyu-font-h);
  font-weight:600;
  font-size:clamp(40px, 5.5vw, 68px);
  line-height:1.05;
  letter-spacing:-0.02em;
  color:var(--quaiyu-text);
  max-width:18ch;
}
.quaiyu-h1--display{font-size:clamp(44px, 6vw, 80px);max-width:24ch;margin-inline:auto}
.quaiyu-h1--editorial{font-family:var(--quaiyu-font-h);font-weight:500;letter-spacing:-0.01em}
.quaiyu-h2{
  font-family:var(--quaiyu-font-h);
  font-weight:600;
  font-size:clamp(28px, 3.4vw, 44px);
  line-height:1.15;
  letter-spacing:-0.015em;
  color:var(--quaiyu-text);
}
.quaiyu-section__head{margin-bottom:48px;text-align:center;max-width:720px;margin-inline:auto}



/* === Blueprint: B2B SaaS === */
.quaiyu-section--metrics{padding:32px 0;background:var(--quaiyu-surface);border-block:1px solid var(--quaiyu-border)}
.quaiyu-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end}
.quaiyu-metric{text-align:center}
.quaiyu-metric__value{font-family:var(--quaiyu-font-h);font-weight:800;font-size:clamp(36px,4.4vw,56px);line-height:1;letter-spacing:-0.02em;color:var(--quaiyu-text)}
.quaiyu-metric__label{margin-top:8px;font-size:13px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:0.08em}
.quaiyu-section--cta{background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);text-align:center}
.quaiyu-section--cta .quaiyu-h2,.quaiyu-section--cta .quaiyu-cta__sub{color:var(--quaiyu-primary-fg)}
.quaiyu-cta{max-width:720px;margin:0 auto}
.quaiyu-cta__sub{font-size:18px;margin-top:12px;color:var(--quaiyu-primary-fg);opacity:.85}
.quaiyu-cta .quaiyu-btn{margin-top:28px}
.quaiyu-about{max-width:760px}
.quaiyu-about__body{font-size:19px;line-height:1.7;color:var(--quaiyu-text);margin-top:16px}
.quaiyu-section--form{background:var(--quaiyu-surface)}
.quaiyu-form-wrap{max-width:640px;margin:0 auto}
.quaiyu-form-wrap__sub{color:var(--quaiyu-muted);margin-top:8px;margin-bottom:32px}



/* === Hero: Split Text + Visual === */
.quaiyu-hero{position:relative;overflow:hidden}
.quaiyu-hero__eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--quaiyu-accent);padding:6px 14px;border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-pill);margin-bottom:20px}
.quaiyu-hero__sub{margin-top:20px;font-size:19px;line-height:1.6;color:var(--quaiyu-muted);max-width:52ch}
.quaiyu-hero__sub--center{margin-inline:auto;text-align:center}
.quaiyu-hero__sub--lead{font-size:22px;line-height:1.5;color:var(--quaiyu-text);max-width:60ch}
.quaiyu-hero__ctas{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.quaiyu-hero__ctas--center{justify-content:center}

/* Split (text + visual) */
.quaiyu-grid--hero{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.quaiyu-hero__text{min-width:0}
.quaiyu-hero__visual{min-width:0}

/* Centered */
.quaiyu-hero__center{text-align:center;max-width:920px;margin:0 auto}
.quaiyu-hero__visual--wide{margin-top:56px}

/* Dashboard */
.quaiyu-hero__stack{display:grid;gap:48px}
.quaiyu-hero__head{text-align:center;max-width:780px;margin:0 auto}

/* Cover — full-bleed photo / branded variant */
.quaiyu-hero--cover{position:relative;min-height:80vh;display:grid;align-items:center}
.quaiyu-hero--cover.quaiyu-hero--has-cover{color:#fff}
.quaiyu-hero__cover-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.quaiyu-hero__cover-bg img{width:100%;height:100%;object-fit:cover}
/* Stronger overlay so H1 stays readable on light/blurred art */
.quaiyu-hero__cover-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,0,0,0.45), rgba(0,0,0,0.78));pointer-events:none}
.quaiyu-hero__cover-content{position:relative;z-index:2;max-width:880px;padding:120px 24px}
.quaiyu-hero--has-cover .quaiyu-h1{color:#fff;max-width:22ch;text-shadow:0 2px 24px rgba(0,0,0,0.45)}
.quaiyu-hero--has-cover .quaiyu-hero__sub--lead{color:rgba(255,255,255,0.94)}

/* Cover — side-card variant (used when the visual is a card, not a photo).
   Text on the left, card on the right. NO absolute positioning over text. */
.quaiyu-hero--has-card{min-height:auto;padding:96px 0 72px;background:var(--quaiyu-bg);color:var(--quaiyu-text)}
.quaiyu-hero--has-card .quaiyu-h1{color:var(--quaiyu-text);max-width:22ch;text-shadow:none}
.quaiyu-hero--has-card .quaiyu-hero__sub--lead{color:var(--quaiyu-muted)}
.quaiyu-hero__cover-split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.quaiyu-hero__cover-split .quaiyu-hero__text{min-width:0;position:relative;z-index:2}
.quaiyu-hero__cover-split .quaiyu-hero__card{min-width:0;position:relative;z-index:1}
.quaiyu-hero__cover-split .quaiyu-hero__card .quaiyu-visual{margin:0}
@media (max-width:880px){
  .quaiyu-hero__cover-split{grid-template-columns:1fr;gap:40px}
  .quaiyu-hero__cover-split .quaiyu-hero__card{order:2}
}


/* === Components === */
/* Nav */
.quaiyu-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.85);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--quaiyu-border)}
.quaiyu-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px}
.quaiyu-nav__brand{display:flex;align-items:center;gap:10px;font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;letter-spacing:-0.01em}
.quaiyu-nav__links{display:flex;align-items:center;gap:28px;margin-left:auto;margin-right:24px}
.quaiyu-nav__link{font-size:15px;color:var(--quaiyu-muted);transition:color .15s}
.quaiyu-nav__link:hover{color:var(--quaiyu-text)}
.quaiyu-nav__cta{flex:none}
.quaiyu-nav__toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.quaiyu-nav__toggle span{display:block;width:22px;height:2px;background:var(--quaiyu-text);transition:transform .2s}

/* Buttons */
.quaiyu-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;font-weight:600;font-size:15px;border-radius:var(--quaiyu-radius-sm);transition:transform .15s ease, box-shadow .15s ease, background .15s ease}
.quaiyu-btn--lg{padding:16px 28px;font-size:16px}
.quaiyu-btn--sm{padding:8px 16px;font-size:14px}
.quaiyu-btn--primary{background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg)}
.quaiyu-btn--primary:hover{transform:translateY(-1px);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-btn--ghost{background:transparent;color:var(--quaiyu-text);border:1px solid var(--quaiyu-border)}
.quaiyu-btn--ghost:hover{background:var(--quaiyu-surface)}

/* Grids */
.quaiyu-grid{display:grid;gap:24px}
.quaiyu-grid--3{grid-template-columns:repeat(3,1fr)}
.quaiyu-grid--4{grid-template-columns:repeat(4,1fr)}

/* Cards */
.quaiyu-card{padding:32px;border-radius:var(--quaiyu-radius-md);background:var(--quaiyu-surface);border:1px solid transparent;transition:transform .2s ease, box-shadow .2s ease}
.quaiyu-card:hover{transform:translateY(-3px);box-shadow:var(--quaiyu-shadow-lg)}
.quaiyu-card__icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--quaiyu-radius-sm);background:color-mix(in srgb, var(--quaiyu-primary) 12%, transparent);color:var(--quaiyu-primary);margin-bottom:18px}
.quaiyu-card__icon svg{width:24px;height:24px}
.quaiyu-card__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;line-height:1.3;margin-bottom:8px}
.quaiyu-card__desc{font-size:15px;color:var(--quaiyu-muted);line-height:1.6}

/* Testimonials */
.quaiyu-testimonial__quote{font-family:var(--quaiyu-font-h);font-size:18px;line-height:1.55;color:var(--quaiyu-text);margin-bottom:24px}
.quaiyu-testimonial__cite{display:flex;align-items:center;gap:14px}
.quaiyu-testimonial__avatar{width:56px;height:56px;border-radius:50%;background:var(--quaiyu-surface);object-fit:cover;flex-shrink:0;display:block}
.quaiyu-testimonial__name{font-weight:600;font-size:14px}
.quaiyu-testimonial__role{font-size:13px;color:var(--quaiyu-muted)}

/* FAQ */
.quaiyu-faq{max-width:800px;margin:0 auto}
.quaiyu-faq__heading{margin-bottom:32px;text-align:center}
.quaiyu-faq__list{display:grid;gap:8px}
.quaiyu-faq__item{border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-md);background:var(--quaiyu-bg);overflow:hidden}
.quaiyu-faq__item.is-open,.quaiyu-faq__item[open]{box-shadow:var(--quaiyu-shadow-sm)}
.quaiyu-faq__q{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;font-weight:600;font-size:16px;cursor:pointer;list-style:none;user-select:none}
.quaiyu-faq__q::-webkit-details-marker{display:none}
.quaiyu-faq__icon{width:28px;height:28px;border-radius:var(--quaiyu-radius-pill);background:var(--quaiyu-surface);display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:1;font-weight:400;transition:transform .2s}
.quaiyu-faq__item.is-open .quaiyu-faq__icon,.quaiyu-faq__item[open] .quaiyu-faq__icon{transform:rotate(45deg)}
.quaiyu-faq__a{display:none;padding:0 24px 22px;color:var(--quaiyu-muted);font-size:15px;line-height:1.65}
.quaiyu-faq__item.is-open .quaiyu-faq__a,.quaiyu-faq__item[open] .quaiyu-faq__a{display:block}
.quaiyu-faq__a p{margin:0}

/* Form */
.quaiyu-form{display:grid;gap:18px}
.quaiyu-form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quaiyu-form__field{display:grid;gap:8px}
.quaiyu-form__label{font-size:13px;font-weight:600;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:0.06em}
.quaiyu-form__input{padding:14px 16px;border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-sm);background:var(--quaiyu-bg);color:var(--quaiyu-text);font-size:15px;width:100%;transition:border-color .15s}
.quaiyu-form__input:focus{outline:none;border-color:var(--quaiyu-primary)}
.quaiyu-form__submit{justify-self:start}
.quaiyu-form__msg{padding:14px 18px;border-radius:var(--quaiyu-radius-sm);font-size:14px;font-weight:500}
.quaiyu-form__msg--success{background:color-mix(in srgb, #16a34a 12%, transparent);color:#15803d}
.quaiyu-form__msg--error{background:color-mix(in srgb, #dc2626 12%, transparent);color:#b91c1c}

/* Footer */
.quaiyu-footer{background:var(--quaiyu-surface);border-top:1px solid var(--quaiyu-border);padding:64px 0 0}
.quaiyu-footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:48px;padding-bottom:48px}
.quaiyu-footer__brand{font-family:var(--quaiyu-font-h);font-weight:700;font-size:20px;margin-bottom:12px}
.quaiyu-footer__tagline{color:var(--quaiyu-muted);font-size:15px;line-height:1.55;max-width:36ch}
.quaiyu-footer__title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--quaiyu-text);margin-bottom:14px}
.quaiyu-footer__list{display:grid;gap:10px;font-size:14px;color:var(--quaiyu-muted)}
.quaiyu-footer__list a:hover{color:var(--quaiyu-text)}
.quaiyu-footer__bottom{border-top:1px solid var(--quaiyu-border);padding:24px 0;font-size:13px;color:var(--quaiyu-muted)}


/* === Visuals === */
.quaiyu-mock--dashboard{
  background:linear-gradient(180deg, #ffffff, #f6f7fb);
  border:1px solid var(--quaiyu-border);
  border-radius:var(--quaiyu-radius-lg);
  box-shadow:var(--quaiyu-shadow-lg);
  overflow:hidden;
  transform:translateY(0);
}
.quaiyu-mock__chrome{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--quaiyu-border);background:rgba(0,0,0,0.02)}
.quaiyu-mock__chrome span{width:10px;height:10px;border-radius:50%;background:var(--quaiyu-border)}
.quaiyu-mock__body{padding:24px}
.quaiyu-mock__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.quaiyu-mock__stat{padding:16px;border-radius:var(--quaiyu-radius-md);background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border)}
.quaiyu-mock__stat-v{font-family:var(--quaiyu-font-h);font-weight:700;font-size:24px;letter-spacing:-0.01em}
.quaiyu-mock__stat-l{font-size:11px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:0.08em;margin-top:4px}
.quaiyu-mock__chart{display:flex;align-items:flex-end;gap:6px;height:120px;padding:12px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border:1px solid var(--quaiyu-border);margin-bottom:16px}
.quaiyu-mock__bar{flex:1;background:linear-gradient(180deg, var(--quaiyu-primary), var(--quaiyu-accent));border-radius:4px 4px 0 0;min-width:8px;opacity:.85}
.quaiyu-mock__rows{display:grid;gap:8px}
.quaiyu-mock__row{height:14px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:6px}

.quaiyu-visual--service img,.quaiyu-visual--split img{width:100%;height:auto;border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-md);object-fit:cover;aspect-ratio:5/4}
.quaiyu-visual--split img{aspect-ratio:1/1}

.quaiyu-pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.quaiyu-pgrid__item{display:grid;gap:8px}
.quaiyu-pgrid__item img{width:100%;border-radius:var(--quaiyu-radius-md);object-fit:cover;aspect-ratio:1/1}
.quaiyu-pgrid__cap{font-size:13px;color:var(--quaiyu-muted)}

.quaiyu-cover{position:relative;width:100%;height:100%;overflow:hidden;border-radius:var(--quaiyu-radius-lg)}
.quaiyu-cover img,.quaiyu-cover .quaiyu-cover__svg{width:100%;height:100%;object-fit:cover;display:block}
.quaiyu-cover--branded{aspect-ratio:16/10;min-height:280px}
.quaiyu-cover--branded .quaiyu-cover__veil{position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.35) 100%)}

/* Branded growth/analytics card (replaces stock landscape on agency/saas) */
.quaiyu-visual--abstract{position:relative;border-radius:var(--quaiyu-radius-lg);overflow:visible;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:8px}
.quaiyu-growth{position:relative;z-index:2;width:100%;background:linear-gradient(180deg, #ffffff, #f7f8fc);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-lg);padding:24px;display:grid;gap:18px}
.quaiyu-growth__head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.quaiyu-growth__label{font-size:11px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:0.08em}
.quaiyu-growth__value{font-family:var(--quaiyu-font-h);font-weight:800;font-size:36px;line-height:1.05;letter-spacing:-0.02em;margin-top:4px;color:var(--quaiyu-text)}
.quaiyu-growth__sub{font-size:12px;color:var(--quaiyu-muted);margin-top:2px}
.quaiyu-growth__pill{font-size:11px;font-weight:600;color:var(--quaiyu-primary);background:color-mix(in srgb, var(--quaiyu-primary) 12%, transparent);padding:6px 10px;border-radius:var(--quaiyu-radius-pill);white-space:nowrap}
.quaiyu-growth__chart{width:100%;height:120px;display:block}
.quaiyu-growth__tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.quaiyu-growth__tag{font-size:11px;color:var(--quaiyu-muted);background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);padding:5px 10px;border-radius:var(--quaiyu-radius-pill)}
.quaiyu-growth__bg{position:absolute;inset:-12% -8% -8% -12%;background:radial-gradient(60% 60% at 30% 30%, color-mix(in srgb, var(--quaiyu-primary) 18%, transparent), transparent 70%),radial-gradient(50% 50% at 80% 80%, color-mix(in srgb, var(--quaiyu-accent) 18%, transparent), transparent 70%);z-index:1;pointer-events:none;border-radius:24px;filter:blur(20px)}

/* Long-form pages (privacy, terms, contact) */
.quaiyu-h3{font-family:var(--quaiyu-font-h);font-weight:700;font-size:20px;line-height:1.3;letter-spacing:-0.01em;color:var(--quaiyu-text);margin:32px 0 12px}
.quaiyu-prose{color:var(--quaiyu-text);font-size:16px;line-height:1.7}
.quaiyu-prose p{margin:0 0 14px}
.quaiyu-prose a{color:var(--quaiyu-primary);text-decoration:underline;text-underline-offset:3px}
.quaiyu-prose ul,.quaiyu-prose ol{margin:0 0 14px 20px}
.quaiyu-prose li{margin:6px 0}
.quaiyu-prose em{color:var(--quaiyu-muted);font-style:normal;font-size:13px}


/* === Experiences (Phase B1) === */
.quaiyu-rank-list{display:grid;gap:20px}
.quaiyu-rank{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:28px;border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);background:var(--quaiyu-surface);transition:transform .2s ease, box-shadow .2s ease}
.quaiyu-rank:hover{transform:translateY(-2px);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-rank__num{font-family:var(--quaiyu-font-h);font-weight:800;font-size:48px;line-height:1;letter-spacing:-0.02em;color:var(--quaiyu-primary);opacity:.9}
.quaiyu-rank__main{min-width:0}
.quaiyu-rank__head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.quaiyu-rank__name{font-family:var(--quaiyu-font-h);font-weight:700;font-size:22px;line-height:1.2;letter-spacing:-0.01em;color:var(--quaiyu-text)}
.quaiyu-rank__badge{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:5px 10px;border-radius:var(--quaiyu-radius-pill);background:color-mix(in srgb, var(--quaiyu-primary) 14%, transparent);color:var(--quaiyu-primary)}
.quaiyu-rank__rating{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.quaiyu-rank__stars{font-size:16px;letter-spacing:.06em;color:#f5b301;line-height:1}
.quaiyu-rank__score{font-size:13px;color:var(--quaiyu-muted);font-weight:600}
.quaiyu-rank__summary{font-size:15px;line-height:1.6;color:var(--quaiyu-muted);margin-bottom:16px}
.quaiyu-rank__lists{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}
.quaiyu-rank__list-head{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--quaiyu-muted);margin-bottom:6px}
.quaiyu-rank__list ul{display:grid;gap:6px;font-size:14px;line-height:1.55;color:var(--quaiyu-text)}
.quaiyu-rank__list--pros ul li::before{content:"+ ";color:#16a34a;font-weight:700}
.quaiyu-rank__list--cons ul li::before{content:"− ";color:#dc2626;font-weight:700}
.quaiyu-cmp-wrap{overflow-x:auto;border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);background:var(--quaiyu-bg)}
.quaiyu-cmp{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.quaiyu-cmp thead th{background:var(--quaiyu-surface);font-family:var(--quaiyu-font-h);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--quaiyu-text);padding:14px 18px;text-align:left;border-bottom:1px solid var(--quaiyu-border);white-space:nowrap}
.quaiyu-cmp tbody th.quaiyu-cmp__feature{font-weight:600;font-size:14px;color:var(--quaiyu-text);padding:14px 18px;background:color-mix(in srgb, var(--quaiyu-surface) 60%, transparent);text-align:left;border-bottom:1px solid var(--quaiyu-border);width:30%}
.quaiyu-cmp__cell{padding:14px 18px;color:var(--quaiyu-muted);border-bottom:1px solid var(--quaiyu-border);vertical-align:middle}
.quaiyu-cmp__cell--yes{color:#16a34a;font-weight:700;font-size:18px}
.quaiyu-cmp__cell--no{color:#dc2626;font-weight:700;font-size:18px}
.quaiyu-pc{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.quaiyu-pc__col{padding:28px;border-radius:var(--quaiyu-radius-lg);background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border)}
.quaiyu-pc__head{font-family:var(--quaiyu-font-h);font-weight:700;font-size:16px;text-transform:uppercase;letter-spacing:.06em;color:var(--quaiyu-text);margin-bottom:16px}
.quaiyu-pc__list{display:grid;gap:12px}
.quaiyu-pc__item{display:grid;grid-template-columns:24px 1fr;gap:10px;font-size:14px;line-height:1.55;color:var(--quaiyu-text)}
.quaiyu-pc__mark{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;font-weight:800;font-size:14px;line-height:1}
.quaiyu-pc__item--pro .quaiyu-pc__mark{background:color-mix(in srgb, #16a34a 18%, transparent);color:#15803d}
.quaiyu-pc__item--con .quaiyu-pc__mark{background:color-mix(in srgb, #dc2626 18%, transparent);color:#b91c1c}
.quaiyu-ep-list{display:grid;gap:16px}
.quaiyu-ep{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:20px 24px;border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);background:var(--quaiyu-surface);transition:transform .2s ease, box-shadow .2s ease}
.quaiyu-ep:hover{transform:translateY(-2px);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-ep__play{width:56px;height:56px;border-radius:50%;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s ease}
.quaiyu-ep__play:hover{transform:scale(1.05)}
.quaiyu-ep__play svg{width:24px;height:24px;margin-left:2px}
.quaiyu-ep__meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.quaiyu-ep__num{font-weight:700;color:var(--quaiyu-primary)}
.quaiyu-ep__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;line-height:1.3;color:var(--quaiyu-text);margin-bottom:4px}
.quaiyu-ep__sum{font-size:14px;line-height:1.6;color:var(--quaiyu-muted)}
.quaiyu-visual--wave{position:relative;display:flex;align-items:center;justify-content:center;padding:8px}
.quaiyu-wave{position:relative;z-index:2;width:100%;background:linear-gradient(180deg,#fff,#f7f8fc);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-lg);padding:24px;display:grid;gap:18px}
.quaiyu-wave__head{display:flex;align-items:center;gap:14px}
.quaiyu-wave__play{width:52px;height:52px;border-radius:50%;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.quaiyu-wave__play svg{width:22px;height:22px;margin-left:2px}
.quaiyu-wave__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:16px;color:var(--quaiyu-text);line-height:1.3}
.quaiyu-wave__dur{font-size:12px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:.06em;margin-top:4px}
.quaiyu-wave__svg{width:100%;height:120px;display:block}
.quaiyu-wave__bg{position:absolute;inset:-12% -8% -8% -12%;background:radial-gradient(60% 60% at 30% 30%, color-mix(in srgb,var(--quaiyu-primary) 18%,transparent), transparent 70%),radial-gradient(50% 50% at 80% 80%, color-mix(in srgb,var(--quaiyu-accent) 18%,transparent), transparent 70%);z-index:1;pointer-events:none;border-radius:24px;filter:blur(20px)}
.quaiyu-mod-list{display:grid;gap:14px;max-width:820px;margin:0 auto}
.quaiyu-mod{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px 24px;border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-md);background:var(--quaiyu-surface);transition:transform .2s ease, box-shadow .2s ease}
.quaiyu-mod:hover{transform:translateY(-2px);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-mod__num{font-family:var(--quaiyu-font-h);font-weight:800;font-size:22px;letter-spacing:-0.01em;color:var(--quaiyu-primary);display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--quaiyu-primary) 10%,transparent);border-radius:var(--quaiyu-radius-sm);height:56px}
.quaiyu-mod__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;line-height:1.3;color:var(--quaiyu-text);margin-bottom:6px}
.quaiyu-mod__sum{font-size:14px;line-height:1.6;color:var(--quaiyu-muted);margin-bottom:8px}
.quaiyu-mod__meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:.06em}
.quaiyu-mod__sep{opacity:.4}
.quaiyu-inst{display:grid;grid-template-columns:140px 1fr;gap:32px;align-items:start;max-width:860px;margin:0 auto}
.quaiyu-inst__avatar{width:120px;height:120px;border-radius:50%;display:block;background:var(--quaiyu-surface);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-inst__label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--quaiyu-primary);margin-bottom:6px}
.quaiyu-inst__name{margin-bottom:6px}
.quaiyu-inst__role{font-size:15px;color:var(--quaiyu-muted);margin-bottom:12px}
.quaiyu-inst__bio{font-size:16px;line-height:1.65;color:var(--quaiyu-text);margin-bottom:16px}
.quaiyu-inst__creds{display:flex;flex-wrap:wrap;gap:8px}
.quaiyu-inst__cred{font-size:12px;font-weight:600;color:var(--quaiyu-text);background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border);padding:6px 12px;border-radius:var(--quaiyu-radius-pill)}
.quaiyu-visual--cmp-prev,.quaiyu-visual--cm-prev{position:relative;display:flex;align-items:center;justify-content:center;padding:8px}
.quaiyu-cmp-prev,.quaiyu-cm-prev{width:100%;background:linear-gradient(180deg,#fff,#f7f8fc);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-lg);padding:20px;display:grid;gap:12px}
.quaiyu-cmp-prev__head,.quaiyu-cm-prev__head{display:flex;justify-content:space-between;align-items:center;padding-bottom:8px;border-bottom:1px solid var(--quaiyu-border);margin-bottom:4px}
.quaiyu-cmp-prev__title,.quaiyu-cm-prev__title-h{font-family:var(--quaiyu-font-h);font-weight:700;font-size:14px;color:var(--quaiyu-text)}
.quaiyu-cmp-prev__meta,.quaiyu-cm-prev__meta-h{font-size:11px;color:var(--quaiyu-muted);text-transform:uppercase;letter-spacing:.06em}
.quaiyu-cmp-prev__row,.quaiyu-cm-prev__row{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:center;padding:10px;border-radius:var(--quaiyu-radius-sm);background:var(--quaiyu-surface)}
.quaiyu-cmp-prev__rank{font-family:var(--quaiyu-font-h);font-weight:800;font-size:18px;color:var(--quaiyu-primary);text-align:center}
.quaiyu-cmp-prev__name,.quaiyu-cm-prev__title{font-weight:700;font-size:14px;color:var(--quaiyu-text);line-height:1.2}
.quaiyu-cmp-prev__stars{font-size:12px;color:#f5b301;letter-spacing:.04em;margin-top:2px}
.quaiyu-cmp-prev__stars span{color:var(--quaiyu-muted);margin-left:4px}
.quaiyu-cmp-prev__badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--quaiyu-primary);background:color-mix(in srgb,var(--quaiyu-primary) 14%,transparent);padding:4px 8px;border-radius:var(--quaiyu-radius-pill);white-space:nowrap}
.quaiyu-cm-prev__num{font-family:var(--quaiyu-font-h);font-weight:800;font-size:14px;color:var(--quaiyu-primary);text-align:center;background:color-mix(in srgb,var(--quaiyu-primary) 10%,transparent);padding:6px 8px;border-radius:var(--quaiyu-radius-sm)}
.quaiyu-cm-prev__meta{font-size:11px;color:var(--quaiyu-muted);margin-top:2px;text-transform:uppercase;letter-spacing:.06em}
.quaiyu-cm-prev__chk{width:22px;height:22px;color:var(--quaiyu-muted)}
@media (max-width:960px){.quaiyu-pc,.quaiyu-rank__lists{grid-template-columns:1fr}.quaiyu-rank{grid-template-columns:1fr}.quaiyu-rank__num{font-size:36px}.quaiyu-inst{grid-template-columns:1fr;text-align:center}.quaiyu-inst__avatar{margin:0 auto}}


/* === Motif: Luxury Minimal (refined) === */
.quaiyu-h1{font-weight:400;font-style:italic;letter-spacing:-0.015em}
.quaiyu-section__head{border-top:1px solid var(--quaiyu-text);padding-top:20px;text-align:left;margin-inline:0;max-width:none}
.quaiyu-hero__eyebrow{border:0;border-top:1px solid var(--quaiyu-accent);border-radius:0;padding:8px 0;background:none;color:var(--quaiyu-accent);letter-spacing:0.2em}


/* === Phase B2 Heroes === */
/* Comparison hero */
.quaiyu-hero--compare .quaiyu-hero__compare-head{text-align:center;max-width:880px;margin:0 auto 40px}
.quaiyu-hero__compare-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:880px;margin:0 auto 32px}
.quaiyu-hero__compare-chip{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-md)}
.quaiyu-hero__compare-rank{font-family:var(--quaiyu-font-h);font-weight:800;font-size:24px;color:var(--quaiyu-primary);min-width:32px}
.quaiyu-hero__compare-name{flex:1;font-weight:600;font-size:15px;color:var(--quaiyu-text)}
.quaiyu-hero__compare-score{font-size:13px;color:var(--quaiyu-muted);font-weight:600}

/* Course curriculum hero */
.quaiyu-grid--hero-course{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.quaiyu-hero__course-card{padding:24px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-hero__course-cardhead{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--quaiyu-muted);margin-bottom:16px}
.quaiyu-hero__course-list{display:grid;gap:8px}
.quaiyu-hero__course-item{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:center;padding:12px;border-radius:var(--quaiyu-radius-sm);background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border)}
.quaiyu-hero__course-num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--quaiyu-radius-pill);background:color-mix(in srgb,var(--quaiyu-primary) 14%,transparent);color:var(--quaiyu-primary);font-weight:700;font-size:14px}
.quaiyu-hero__course-title{font-weight:600;font-size:14px;color:var(--quaiyu-text);line-height:1.3}
.quaiyu-hero__course-dur{font-size:12px;color:var(--quaiyu-muted);margin-top:2px}

/* Podcast audio hero — text-first composition. Player is its OWN block,
   never absolute, never overlapping the H1/sub. */
.quaiyu-hero--podcast{position:relative;background:var(--quaiyu-bg);color:var(--quaiyu-text)}
.quaiyu-hero--podcast .quaiyu-hero__pod-wrap{text-align:center;max-width:880px;margin:0 auto;position:relative;z-index:2}
.quaiyu-hero--podcast .quaiyu-h1{color:var(--quaiyu-text);position:relative;z-index:2}
.quaiyu-hero--podcast .quaiyu-hero__sub{color:var(--quaiyu-muted);position:relative;z-index:2}
.quaiyu-hero__pod-player{position:relative;z-index:1;display:flex;align-items:center;gap:20px;padding:20px 24px;margin:32px auto 0;max-width:560px;width:100%;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-hero__pod-play{width:56px;height:56px;border-radius:50%;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s ease}
.quaiyu-hero__pod-play:hover{transform:scale(1.06)}
.quaiyu-hero__pod-wave{flex:1;min-width:0;max-width:100%;display:flex;align-items:flex-end;justify-content:space-between;gap:2px;height:80px;overflow:hidden}
.quaiyu-hero__pod-bar{flex:1;background:linear-gradient(180deg,var(--quaiyu-primary),var(--quaiyu-accent));border-radius:1px;min-width:2px;opacity:.85}
.quaiyu-hero__pod-now{display:inline-flex;align-items:center;gap:14px;padding:10px 18px;background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-pill);font-size:13px;color:var(--quaiyu-muted);margin:24px auto 0;position:relative;z-index:2}
.quaiyu-hero__pod-now-label{font-weight:700;text-transform:uppercase;letter-spacing:0.08em;font-size:11px;color:var(--quaiyu-primary)}
.quaiyu-hero__pod-now-title{color:var(--quaiyu-text);font-weight:600}
@media (max-width:720px){
  .quaiyu-hero__pod-player{flex-direction:column;align-items:stretch;gap:14px}
  .quaiyu-hero__pod-wave{height:56px}
}

/* Ecommerce product hero */
.quaiyu-hero--ecom .quaiyu-hero__ecom-trust{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;font-size:13px;color:var(--quaiyu-muted)}
.quaiyu-hero--ecom .quaiyu-hero__ecom-trust strong{color:var(--quaiyu-text)}
.quaiyu-hero__ecom-card{position:relative;padding:32px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-lg)}
.quaiyu-hero__ecom-badge{position:absolute;top:20px;right:20px;padding:6px 12px;background:var(--quaiyu-accent);color:var(--quaiyu-bg);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;border-radius:var(--quaiyu-radius-pill)}
.quaiyu-hero__ecom-thumb{width:100%;aspect-ratio:1/1;border-radius:var(--quaiyu-radius-md);background:linear-gradient(135deg,color-mix(in srgb,var(--quaiyu-primary) 22%,transparent),color-mix(in srgb,var(--quaiyu-accent) 22%,transparent));margin-bottom:20px}
.quaiyu-hero__ecom-title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;color:var(--quaiyu-text)}
.quaiyu-hero__ecom-price{margin-top:6px;font-size:15px;color:var(--quaiyu-muted)}
.quaiyu-hero__ecom-price strong{color:var(--quaiyu-text);font-size:20px}

/* Local service trust hero */
.quaiyu-hero--local .quaiyu-hero__local-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;list-style:none;padding:0}
.quaiyu-hero__local-badge{display:inline-flex;align-items:center;padding:8px 14px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-pill);font-size:13px;font-weight:600;color:var(--quaiyu-text)}
.quaiyu-hero__local-card{padding:24px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);box-shadow:var(--quaiyu-shadow-md);color:var(--quaiyu-text)}
.quaiyu-hero__local-cardhead{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--quaiyu-muted);margin-bottom:14px}
.quaiyu-hero__local-map{aspect-ratio:200/140;border-radius:var(--quaiyu-radius-md);overflow:hidden;background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border);margin-bottom:14px;color:var(--quaiyu-primary)}
.quaiyu-hero__local-cities{font-size:14px;color:var(--quaiyu-muted);line-height:1.5}

@media (max-width:960px){
  .quaiyu-grid--hero-course{grid-template-columns:1fr;gap:40px}
  .quaiyu-hero__compare-chips{grid-template-columns:1fr}
}


/* === Footer Variants (Phase B2b) === */
.quaiyu-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}

/* Minimal */
.quaiyu-footer--minimal{padding:32px 0;background:var(--quaiyu-bg);border-top:1px solid var(--quaiyu-border)}
.quaiyu-footer--minimal .quaiyu-footer__minrow{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.quaiyu-footer--minimal .quaiyu-footer__brand{font-family:var(--quaiyu-font-h);font-weight:700;font-size:16px}
.quaiyu-footer--minimal .quaiyu-footer__minlinks{display:flex;gap:24px;flex-wrap:wrap;font-size:14px;color:var(--quaiyu-muted)}
.quaiyu-footer--minimal .quaiyu-footer__minlinks a:hover{color:var(--quaiyu-text)}
.quaiyu-footer--minimal .quaiyu-footer__copy{font-size:13px;color:var(--quaiyu-muted)}

/* Editorial */
.quaiyu-footer--editorial{padding:80px 0 0;background:var(--quaiyu-text);color:var(--quaiyu-bg);border-top:0}
.quaiyu-footer--editorial .quaiyu-footer__edmast{font-family:var(--quaiyu-font-h);font-weight:500;font-size:clamp(48px,8vw,96px);line-height:0.95;letter-spacing:-0.03em;color:var(--quaiyu-bg);margin-bottom:18px}
.quaiyu-footer--editorial .quaiyu-footer__edtag{font-size:18px;line-height:1.55;color:rgba(255,255,255,0.72);max-width:60ch;margin-bottom:48px}
.quaiyu-footer--editorial .quaiyu-footer__edgrid{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-bottom:48px}
.quaiyu-footer--editorial .quaiyu-footer__title{color:var(--quaiyu-bg);font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.quaiyu-footer--editorial .quaiyu-footer__list{color:rgba(255,255,255,0.72);font-size:14px;display:grid;gap:10px}
.quaiyu-footer--editorial .quaiyu-footer__list a:hover{color:var(--quaiyu-bg)}
.quaiyu-footer--editorial .quaiyu-footer__edrule{border-top:1px solid rgba(255,255,255,0.12)}
.quaiyu-footer--editorial .quaiyu-footer__edbottom{padding:24px 0;font-size:13px;color:rgba(255,255,255,0.55)}

/* Newsletter Large */
.quaiyu-footer--newsletter{background:var(--quaiyu-surface);border-top:1px solid var(--quaiyu-border);padding:0}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-band{background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);padding:48px;border-radius:var(--quaiyu-radius-lg);margin:48px auto;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;max-width:calc(var(--quaiyu-container) - 48px)}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:clamp(24px,3vw,32px);line-height:1.15;color:var(--quaiyu-primary-fg);margin-bottom:8px}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-sub{font-size:15px;line-height:1.55;color:var(--quaiyu-primary-fg);opacity:.85;max-width:48ch}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-form{display:flex;gap:8px;flex-wrap:wrap}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-input{flex:1;min-width:200px;padding:14px 16px;border:0;border-radius:var(--quaiyu-radius-sm);background:rgba(255,255,255,0.95);color:#0a0a0a;font-size:15px}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-btn{background:var(--quaiyu-text);color:var(--quaiyu-bg)}
.quaiyu-footer--newsletter .quaiyu-footer__newsletter-msg{align-self:center;color:var(--quaiyu-primary-fg);font-weight:600}
.quaiyu-footer--newsletter .quaiyu-footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:48px;padding:32px 0 48px}
.quaiyu-footer--newsletter .quaiyu-footer__bottom{border-top:1px solid var(--quaiyu-border);padding:24px 0;font-size:13px;color:var(--quaiyu-muted)}

/* Multi-Column SaaS */
.quaiyu-footer--saas{background:var(--quaiyu-surface);border-top:1px solid var(--quaiyu-border);padding:64px 0 0}

/* Ecommerce */
.quaiyu-footer--ecom{background:var(--quaiyu-surface);border-top:1px solid var(--quaiyu-border);padding:0}
.quaiyu-footer--ecom .quaiyu-footer__assure{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:32px 0;border-bottom:1px solid var(--quaiyu-border)}
.quaiyu-footer--ecom .quaiyu-footer__assure-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--quaiyu-muted);justify-content:center}
.quaiyu-footer--ecom .quaiyu-footer__assure-ic{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:var(--quaiyu-radius-pill);background:color-mix(in srgb,var(--quaiyu-primary) 12%,transparent);color:var(--quaiyu-primary);font-weight:700}
.quaiyu-footer--ecom .quaiyu-footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:48px;padding:48px 0}
.quaiyu-footer--ecom .quaiyu-footer__bottom{border-top:1px solid var(--quaiyu-border);padding:24px 0;font-size:13px;color:var(--quaiyu-muted)}

/* Comparison disclosure */
.quaiyu-footer--cmp{background:var(--quaiyu-surface);border-top:1px solid var(--quaiyu-border);padding:0}
.quaiyu-footer--cmp .quaiyu-footer__disclosure{padding:32px 0;border-bottom:1px solid var(--quaiyu-border);max-width:80ch;margin:0 auto}
.quaiyu-footer--cmp .quaiyu-footer__disclosure-title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--quaiyu-text);margin-bottom:8px}
.quaiyu-footer--cmp .quaiyu-footer__disclosure-body{font-size:13px;line-height:1.6;color:var(--quaiyu-muted)}
.quaiyu-footer--cmp .quaiyu-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding:48px 0}
.quaiyu-footer--cmp .quaiyu-footer__bottom{border-top:1px solid var(--quaiyu-border);padding:24px 0;font-size:13px;color:var(--quaiyu-muted)}

@media (max-width:960px){
  .quaiyu-footer--newsletter .quaiyu-footer__newsletter-band{grid-template-columns:1fr;padding:32px;margin:32px 16px}
  .quaiyu-footer--newsletter .quaiyu-footer__grid,.quaiyu-footer--ecom .quaiyu-footer__grid,.quaiyu-footer--cmp .quaiyu-footer__grid,.quaiyu-footer--editorial .quaiyu-footer__edgrid{grid-template-columns:1fr 1fr;gap:32px}
  .quaiyu-footer--ecom .quaiyu-footer__assure{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .quaiyu-footer--newsletter .quaiyu-footer__grid,.quaiyu-footer--ecom .quaiyu-footer__grid,.quaiyu-footer--cmp .quaiyu-footer__grid,.quaiyu-footer--editorial .quaiyu-footer__edgrid{grid-template-columns:1fr}
  .quaiyu-footer--ecom .quaiyu-footer__assure{grid-template-columns:1fr 1fr}
}


/* === B2c — Visual Identity Layer === */

/* ── Body type scale (applied to <body class="quaiyu-body-scale-{id}">) ── */
.quaiyu-body-scale-compact{font-size:15px;line-height:1.55}
.quaiyu-body-scale-compact .quaiyu-h1{font-size:clamp(36px,5vw,60px);line-height:1.06}
.quaiyu-body-scale-compact .quaiyu-h2{font-size:clamp(24px,3vw,36px)}
.quaiyu-body-scale-standard{font-size:17px;line-height:1.65}
.quaiyu-body-scale-editorial{font-size:19px;line-height:1.75}
.quaiyu-body-scale-editorial .quaiyu-hero__sub,.quaiyu-body-scale-editorial .quaiyu-about__body{font-size:21px;line-height:1.7}
.quaiyu-body-scale-editorial .quaiyu-h1{letter-spacing:-0.025em}
.quaiyu-body-scale-expressive{font-size:18px;line-height:1.7}
.quaiyu-body-scale-expressive .quaiyu-h1{font-size:clamp(48px,6.5vw,84px);line-height:1.02;letter-spacing:-0.03em}
.quaiyu-body-scale-expressive .quaiyu-h2{font-size:clamp(32px,4vw,52px)}

/* ── Nav variants ── */
.quaiyu-nav--classic .quaiyu-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px}

.quaiyu-nav--split .quaiyu-nav__inner--split{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:78px}
.quaiyu-nav--split .quaiyu-nav__brand--center{justify-self:center;font-size:20px;letter-spacing:-0.01em}
.quaiyu-nav--split .quaiyu-nav__links--left{justify-self:start;margin:0}
.quaiyu-nav--split .quaiyu-nav__links--right{justify-self:end;margin:0}
.quaiyu-nav--split .quaiyu-nav__cta{display:none}

.quaiyu-nav--rail{padding:8px 0 0}
.quaiyu-nav--rail .quaiyu-nav__rail-top{display:flex;align-items:center;justify-content:space-between;gap:24px;height:60px}
.quaiyu-nav--rail .quaiyu-nav__rail-bot{display:flex;align-items:center;justify-content:flex-start;gap:28px;height:46px;border-top:1px solid var(--quaiyu-border)}
.quaiyu-nav--rail .quaiyu-nav__links{margin:0;gap:24px}
.quaiyu-nav--rail .quaiyu-nav__brand{font-size:18px}

/* ── Button identities (applied to <body class="quaiyu-btn-id-{id}">) ── */
.quaiyu-btn-id-pill_fill .quaiyu-btn{border-radius:var(--quaiyu-radius-pill);padding:13px 26px;font-weight:600;letter-spacing:0}
.quaiyu-btn-id-pill_fill .quaiyu-btn--lg{padding:16px 30px}

.quaiyu-btn-id-square_uppercase .quaiyu-btn{border-radius:0;padding:14px 26px;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:0.14em}
.quaiyu-btn-id-square_uppercase .quaiyu-btn--lg{padding:18px 32px;font-size:14px}
.quaiyu-btn-id-square_uppercase .quaiyu-btn--primary{box-shadow:none}

.quaiyu-btn-id-underline_arrow .quaiyu-btn--primary{background:transparent;color:var(--quaiyu-text);padding:8px 0;border-radius:0;border-bottom:2px solid var(--quaiyu-text);position:relative}
.quaiyu-btn-id-underline_arrow .quaiyu-btn--primary:hover{background:transparent;transform:translateX(2px);box-shadow:none;color:var(--quaiyu-primary);border-bottom-color:var(--quaiyu-primary)}
.quaiyu-btn-id-underline_arrow .quaiyu-btn--primary::after{content:" \2192";font-weight:400;display:inline-block;margin-left:6px;transition:transform .15s ease}
.quaiyu-btn-id-underline_arrow .quaiyu-btn--primary:hover::after{transform:translateX(4px)}
.quaiyu-btn-id-underline_arrow .quaiyu-btn--ghost{background:transparent;border:0;color:var(--quaiyu-muted);padding:8px 0}

.quaiyu-btn-id-gradient_soft .quaiyu-btn--primary{background:linear-gradient(135deg,var(--quaiyu-primary),var(--quaiyu-accent));color:var(--quaiyu-primary-fg);border-radius:var(--quaiyu-radius-lg);padding:14px 28px;box-shadow:0 6px 20px color-mix(in srgb,var(--quaiyu-primary) 30%,transparent)}
.quaiyu-btn-id-gradient_soft .quaiyu-btn--primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px color-mix(in srgb,var(--quaiyu-primary) 40%,transparent)}

/* ── Section header variants ── */
.quaiyu-section__head--centered{text-align:center;max-width:720px;margin-inline:auto;margin-bottom:48px}
.quaiyu-section__head--centered .quaiyu-section__eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--quaiyu-primary);margin-bottom:14px}
.quaiyu-section__head--centered .quaiyu-section__sub{margin-top:14px;color:var(--quaiyu-muted);font-size:17px;line-height:1.55}

.quaiyu-section__head--left-rule{text-align:left;max-width:760px;margin:0 0 48px;padding-top:18px;position:relative}
.quaiyu-section__head--left-rule .quaiyu-section__rule{width:64px;height:3px;background:var(--quaiyu-primary);margin-bottom:18px;border-radius:2px}
.quaiyu-section__head--left-rule .quaiyu-section__eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--quaiyu-muted);margin-bottom:10px}
.quaiyu-section__head--left-rule .quaiyu-section__sub{margin-top:14px;color:var(--quaiyu-muted);font-size:17px;line-height:1.55;max-width:60ch}

.quaiyu-section__head--numbered{text-align:left;max-width:760px;margin:0 0 48px;border-left:3px solid var(--quaiyu-primary);padding-left:18px}
.quaiyu-section__head--numbered .quaiyu-section__head-text{padding-top:0}
.quaiyu-section__head--numbered .quaiyu-section__eyebrow--mark{display:inline-block;font-size:11px;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;color:var(--quaiyu-primary);margin-bottom:8px}
.quaiyu-section__head--numbered .quaiyu-section__sub{margin-top:14px;color:var(--quaiyu-muted);font-size:17px;line-height:1.55;max-width:60ch}

.quaiyu-section__head--eyebrow-stack{text-align:left;max-width:760px;margin:0 0 48px}
.quaiyu-section__head--eyebrow-stack .quaiyu-section__eyebrow--big{display:block;font-family:var(--quaiyu-font-h);font-weight:700;font-size:14px;letter-spacing:0.18em;text-transform:uppercase;color:var(--quaiyu-primary);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--quaiyu-border)}
.quaiyu-section__head--eyebrow-stack .quaiyu-section__sub{margin-top:14px;color:var(--quaiyu-muted);font-size:17px;line-height:1.55;max-width:60ch}

/* ── CTA layouts ── */
.quaiyu-cta--centered-band-inner{max-width:720px;margin:0 auto;text-align:center}
.quaiyu-cta--centered-band-inner .quaiyu-cta__sub{font-size:18px;margin-top:12px;opacity:.85}
.quaiyu-cta--centered-band-inner .quaiyu-btn{margin-top:28px}

.quaiyu-cta--split-quote-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;text-align:left}
.quaiyu-cta--split-quote-inner .quaiyu-cta__quote{margin:0;padding:0;border-left:3px solid var(--quaiyu-primary-fg);padding-left:24px}
.quaiyu-cta--split-quote-inner .quaiyu-cta__quote p{font-family:var(--quaiyu-font-h);font-size:clamp(22px,2.6vw,30px);font-style:italic;line-height:1.35;margin:0 0 14px}
.quaiyu-cta--split-quote-inner .quaiyu-cta__quote cite{font-size:13px;letter-spacing:0.06em;text-transform:uppercase;font-style:normal;opacity:.85}

.quaiyu-cta--card-panel{background:transparent;color:var(--quaiyu-text);padding:0}
.quaiyu-cta--card-panel .quaiyu-cta--card-panel-inner{margin:48px auto;max-width:840px;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);padding:64px 48px;border-radius:var(--quaiyu-radius-lg);text-align:center;box-shadow:var(--quaiyu-shadow-lg)}
.quaiyu-cta--card-panel .quaiyu-cta--card-panel-inner .quaiyu-h2,.quaiyu-cta--card-panel .quaiyu-cta--card-panel-inner .quaiyu-cta__sub{color:var(--quaiyu-primary-fg)}
.quaiyu-cta--card-panel .quaiyu-cta--card-panel-inner .quaiyu-cta__sub{margin-top:12px;opacity:.85}
.quaiyu-cta--card-panel .quaiyu-cta--card-panel-inner .quaiyu-btn{margin-top:28px}

.quaiyu-cta--side-by-side-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;text-align:left}
.quaiyu-cta--side-by-side-inner .quaiyu-cta__copy .quaiyu-cta__sub{margin-top:8px;opacity:.85}

.quaiyu-cta--newsletter-inner{display:grid;grid-template-columns:1.2fr auto;gap:24px;align-items:center;text-align:left}
.quaiyu-cta--newsletter-inner .quaiyu-cta__sub{margin-top:8px;opacity:.85}

.quaiyu-cta--affiliate{background:var(--quaiyu-surface);color:var(--quaiyu-text)}
.quaiyu-cta--affiliate .quaiyu-cta--affiliate-inner{max-width:720px;margin:0 auto;text-align:center;padding:32px;border:2px dashed var(--quaiyu-primary);border-radius:var(--quaiyu-radius-lg);background:var(--quaiyu-bg)}
.quaiyu-cta--affiliate .quaiyu-cta__pill{display:inline-block;padding:6px 14px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;border-radius:var(--quaiyu-radius-pill);background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);margin-bottom:14px}
.quaiyu-cta--affiliate .quaiyu-h2,.quaiyu-cta--affiliate .quaiyu-cta__sub{color:var(--quaiyu-text)}
.quaiyu-cta--affiliate .quaiyu-cta__sub{color:var(--quaiyu-muted);margin-top:8px}
.quaiyu-cta--affiliate .quaiyu-btn{margin-top:24px}

.quaiyu-cta--neon-split{background:linear-gradient(135deg,#06070d 0%,#1a0a2e 100%);color:#fff}
.quaiyu-cta--neon-split .quaiyu-cta--neon-split-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;text-align:left}
.quaiyu-cta--neon-split .quaiyu-h2{color:#fff;text-transform:uppercase;letter-spacing:-0.01em}
.quaiyu-cta--neon-split .quaiyu-cta__sub{color:rgba(255,255,255,0.78);margin-bottom:18px}

.quaiyu-cta--editorial-band{background:var(--quaiyu-text);color:var(--quaiyu-bg)}
.quaiyu-cta--editorial-band .quaiyu-cta--editorial-band-inner{max-width:920px;margin:0 auto;text-align:left;border-top:2px solid var(--quaiyu-bg);padding-top:32px}
.quaiyu-cta--editorial-band .quaiyu-h2{color:var(--quaiyu-bg);font-style:italic}
.quaiyu-cta--editorial-band .quaiyu-cta__sub{color:rgba(255,255,255,0.72);margin-top:12px}

.quaiyu-cta--rounded-card{background:transparent;color:var(--quaiyu-text);padding:0}
.quaiyu-cta--rounded-card .quaiyu-cta--rounded-card-inner{margin:48px auto;max-width:880px;background:linear-gradient(135deg,var(--quaiyu-primary),var(--quaiyu-accent));color:var(--quaiyu-primary-fg);padding:56px;border-radius:32px;text-align:center;box-shadow:0 24px 60px color-mix(in srgb,var(--quaiyu-primary) 28%,transparent)}
.quaiyu-cta--rounded-card .quaiyu-cta--rounded-card-inner .quaiyu-h2,.quaiyu-cta--rounded-card .quaiyu-cta--rounded-card-inner .quaiyu-cta__sub{color:var(--quaiyu-primary-fg)}
.quaiyu-cta--rounded-card .quaiyu-cta--rounded-card-inner .quaiyu-btn{margin-top:24px}

.quaiyu-cta--gradient-band{background:linear-gradient(135deg,var(--quaiyu-primary) 0%,var(--quaiyu-accent) 100%);color:var(--quaiyu-primary-fg)}
.quaiyu-cta--gradient-band .quaiyu-cta--gradient-band-inner{max-width:820px;margin:0 auto;text-align:center}
.quaiyu-cta--gradient-band .quaiyu-h2,.quaiyu-cta--gradient-band .quaiyu-cta__sub{color:var(--quaiyu-primary-fg)}
.quaiyu-cta--gradient-band .quaiyu-cta__sub{margin-top:12px;opacity:.88}
.quaiyu-cta--gradient-band .quaiyu-btn{margin-top:24px}

@media (max-width:880px){
  .quaiyu-cta--split-quote-inner,.quaiyu-cta--side-by-side-inner,.quaiyu-cta--newsletter-inner,.quaiyu-cta--neon-split .quaiyu-cta--neon-split-inner{grid-template-columns:1fr;text-align:left}
  .quaiyu-cta--side-by-side-inner{text-align:center}
}

/* ── Form layouts ── */
.quaiyu-form-layout--stacked .quaiyu-form-wrap{max-width:640px}

.quaiyu-form-layout--two-col .quaiyu-form-wrap--card{max-width:820px;background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);padding:40px;box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-form-layout--two-col .quaiyu-form--two-col .quaiyu-form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quaiyu-form-layout--two-col .quaiyu-form--two-col .quaiyu-form__field--full{grid-column:1 / -1}

.quaiyu-form-layout--inline-card .quaiyu-form-wrap{max-width:720px}
.quaiyu-form-layout--inline-card .quaiyu-form--inline{background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-lg);padding:14px;box-shadow:var(--quaiyu-shadow-md)}
.quaiyu-form-layout--inline-card .quaiyu-form__inline-row{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:stretch}
.quaiyu-form-layout--inline-card .quaiyu-form__inline-row .quaiyu-form__input{padding:14px 16px;border:1px solid transparent;background:var(--quaiyu-surface)}
.quaiyu-form-layout--inline-card .quaiyu-form__inline-row .quaiyu-form__input:focus{border-color:var(--quaiyu-primary);background:var(--quaiyu-bg)}
.quaiyu-form-layout--inline-card .quaiyu-form__inline-row .quaiyu-form__submit{justify-self:stretch;align-self:stretch}
.quaiyu-form-layout--inline-card .quaiyu-form__field--hidden{display:none}

@media (max-width:720px){
  .quaiyu-form-layout--two-col .quaiyu-form--two-col .quaiyu-form__row{grid-template-columns:1fr}
  .quaiyu-form-layout--inline-card .quaiyu-form__inline-row{grid-template-columns:1fr}
}

/* ── Footer-bottom variants (inside any footer) ── */
.quaiyu-footer__bottom--single{border-top:1px solid rgba(0,0,0,0.06);padding:24px 0;font-size:13px;color:var(--quaiyu-muted);text-align:left}
.quaiyu-footer__bottom--split{border-top:1px solid rgba(0,0,0,0.06);padding:22px 0;font-size:13px;color:var(--quaiyu-muted)}
.quaiyu-footer__bottom--split .quaiyu-footer__bottom-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.quaiyu-footer__bottom--split .quaiyu-footer__bottom-links{display:flex;gap:20px}
.quaiyu-footer__bottom--split .quaiyu-footer__bottom-links a{color:var(--quaiyu-muted)}
.quaiyu-footer__bottom--split .quaiyu-footer__bottom-links a:hover{color:var(--quaiyu-text)}
.quaiyu-footer__bottom--centered{border-top:1px solid rgba(0,0,0,0.06);padding:24px 0;text-align:center;font-size:13px;color:var(--quaiyu-muted)}
.quaiyu-footer__bottom--centered .quaiyu-footer__bottom-mark{display:inline-flex;align-items:center;gap:10px;justify-content:center}
.quaiyu-footer__bottom--centered .quaiyu-footer__mark{color:var(--quaiyu-primary);font-size:14px}
.quaiyu-footer__bottom--centered .quaiyu-footer__sep{opacity:.5}

/* Editorial / dark-bg footers re-tint the bottom strip */
.quaiyu-footer--editorial .quaiyu-footer__bottom--single,
.quaiyu-footer--editorial .quaiyu-footer__bottom--split,
.quaiyu-footer--editorial .quaiyu-footer__bottom--centered{border-top-color:rgba(255,255,255,0.12);color:rgba(255,255,255,0.6)}
.quaiyu-footer--editorial .quaiyu-footer__bottom--split .quaiyu-footer__bottom-links a{color:rgba(255,255,255,0.6)}
.quaiyu-footer--editorial .quaiyu-footer__bottom--split .quaiyu-footer__bottom-links a:hover{color:#fff}


/* === Motion (Phase B2b) === */
@media (prefers-reduced-motion: no-preference){
  .quaiyu-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;will-change:opacity, transform}
  .quaiyu-reveal.is-visible{opacity:1;transform:none}
  .quaiyu-reveal--d1{transition-delay:.06s}
  .quaiyu-reveal--d2{transition-delay:.12s}
  .quaiyu-reveal--d3{transition-delay:.18s}
}
.quaiyu-stickycta{position:fixed;left:50%;transform:translateX(-50%) translateY(120%);bottom:16px;z-index:60;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);padding:12px 22px;border-radius:var(--quaiyu-radius-pill);box-shadow:var(--quaiyu-shadow-lg);font-weight:600;font-size:14px;transition:transform .35s ease, opacity .25s ease;opacity:0;pointer-events:none;text-decoration:none}
.quaiyu-stickycta.is-visible{transform:translateX(-50%) translateY(0);opacity:1;pointer-events:auto}
@media (prefers-reduced-motion: reduce){
  .quaiyu-reveal{opacity:1;transform:none;transition:none}
  .quaiyu-stickycta{display:none}
}


/* === Responsive === */
@media (max-width: 960px){
  .quaiyu-grid--hero{grid-template-columns:1fr;gap:40px}
  .quaiyu-hero__visual{order:2}
  .quaiyu-grid--3,.quaiyu-grid--4{grid-template-columns:repeat(2,1fr)}
  .quaiyu-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .quaiyu-metrics{grid-template-columns:repeat(2,1fr)}
  .quaiyu-form__row{grid-template-columns:1fr}
  .quaiyu-section{padding:var(--quaiyu-section-y-mob) 0}
  .quaiyu-h1{font-size:clamp(34px, 7vw, 48px)}
  .quaiyu-h1--display{font-size:clamp(36px, 8vw, 56px)}
  .quaiyu-mock__stats{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 640px){
  .quaiyu-nav__links,.quaiyu-nav__cta{display:none}
  .quaiyu-nav__toggle{display:inline-flex}
  .quaiyu-nav.is-open .quaiyu-nav__links{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--quaiyu-bg);padding:16px 24px;border-bottom:1px solid var(--quaiyu-border);gap:14px}
  .quaiyu-grid--3,.quaiyu-grid--4{grid-template-columns:1fr}
  .quaiyu-footer__grid{grid-template-columns:1fr}
  .quaiyu-metrics{grid-template-columns:repeat(2,1fr);gap:16px}
  .quaiyu-pgrid{grid-template-columns:repeat(2,1fr)}
  .quaiyu-hero__cover-content{padding:80px 20px}
}




/* ─── Phase 2B — Marketing v2 ───────────────────────────────────────── */
.quaiyu-pillars-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.quaiyu-pillar{padding:28px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border:1px solid var(--quaiyu-border)}
.quaiyu-pillar__num{font-family:var(--quaiyu-font-h);font-weight:800;font-size:28px;color:var(--quaiyu-primary);margin-bottom:14px;opacity:.85}
.quaiyu-pillar__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;line-height:1.3;margin-bottom:8px}
.quaiyu-pillar__desc{font-size:15px;color:var(--quaiyu-muted);line-height:1.6}

.quaiyu-audit__wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:start}
.quaiyu-audit__intro h2{margin-bottom:16px}
.quaiyu-audit__sub{color:var(--quaiyu-muted);margin-bottom:24px;font-size:17px;line-height:1.6}
.quaiyu-audit__cta{margin-top:8px}
.quaiyu-audit__list-card{padding:28px}
.quaiyu-audit__list-title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--quaiyu-muted);margin-bottom:16px}
.quaiyu-audit__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.quaiyu-audit__item{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.55}
.quaiyu-audit__check{color:var(--quaiyu-primary);font-weight:700;flex-shrink:0}

.quaiyu-cmatrix{overflow-x:auto;margin-top:8px}
.quaiyu-cmatrix__table{width:100%;border-collapse:collapse;background:var(--quaiyu-bg);border-radius:var(--quaiyu-radius-md);overflow:hidden;border:1px solid var(--quaiyu-border)}
.quaiyu-cmatrix__table th{text-align:left;padding:14px 18px;background:var(--quaiyu-surface);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--quaiyu-muted);font-weight:700;border-bottom:1px solid var(--quaiyu-border)}
.quaiyu-cmatrix__table td{padding:14px 18px;border-bottom:1px solid var(--quaiyu-border);vertical-align:top;font-size:15px;line-height:1.5}
.quaiyu-cmatrix__channel{font-weight:600;color:var(--quaiyu-text);width:18%}
.quaiyu-cmatrix__focus{color:var(--quaiyu-primary);font-weight:500;width:24%}
.quaiyu-cmatrix__row:last-child td{border-bottom:0}

.quaiyu-reporting__wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.quaiyu-reporting__sub{color:var(--quaiyu-muted);margin-top:14px;font-size:17px;line-height:1.55}
.quaiyu-reporting__card{padding:28px}
.quaiyu-reporting__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.quaiyu-reporting__row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--quaiyu-border);font-size:15px;line-height:1.5}
.quaiyu-reporting__row:last-child{border-bottom:0}
.quaiyu-reporting__when{font-family:var(--quaiyu-font-h);font-weight:700;color:var(--quaiyu-primary)}

.quaiyu-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quaiyu-case{padding:28px;border-left:3px solid var(--quaiyu-primary);background:var(--quaiyu-surface);border-radius:0 var(--quaiyu-radius-md) var(--quaiyu-radius-md) 0}
.quaiyu-case__kind{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--quaiyu-primary);font-weight:700;margin-bottom:14px}
.quaiyu-case__flow{font-size:15px;line-height:1.65;color:var(--quaiyu-text)}

.quaiyu-deliv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quaiyu-deliv__card{display:flex;align-items:center;gap:10px;padding:14px 18px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-sm);font-size:14px;font-weight:500}
.quaiyu-deliv__icon{color:var(--quaiyu-primary);font-weight:700}

.quaiyu-cta-consult__panel{text-align:center;padding:48px 32px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-lg);border:1px solid var(--quaiyu-border)}
.quaiyu-cta-consult__panel h2{margin-bottom:14px}
.quaiyu-cta-consult__sub{color:var(--quaiyu-muted);font-size:17px;margin-bottom:28px}

.quaiyu-sprint-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.quaiyu-sprint__row{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:18px 22px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border:1px solid var(--quaiyu-border)}
.quaiyu-sprint__name{font-family:var(--quaiyu-font-h);font-weight:700;font-size:15px;color:var(--quaiyu-primary);text-transform:uppercase;letter-spacing:.08em}
.quaiyu-sprint__body{font-size:15px;line-height:1.55;color:var(--quaiyu-text)}

.quaiyu-campaign-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.quaiyu-campaign__card{padding:24px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border:1px solid var(--quaiyu-border)}
.quaiyu-campaign__kind{font-family:var(--quaiyu-font-h);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--quaiyu-primary);margin-bottom:10px}
.quaiyu-campaign__body{font-size:15px;line-height:1.55;color:var(--quaiyu-muted)}

.quaiyu-cap-list{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.quaiyu-cap__tag{padding:8px 18px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:999px;font-size:14px;font-weight:500}

.quaiyu-voice__wrap{max-width:720px;margin:0 auto;text-align:center}
.quaiyu-voice__list{list-style:none;padding:0;margin:32px 0 0;display:flex;flex-direction:column;gap:14px}
.quaiyu-voice__item{font-family:var(--quaiyu-font-h);font-size:22px;line-height:1.4;color:var(--quaiyu-text);padding:18px 28px;border-bottom:1px solid var(--quaiyu-border)}
.quaiyu-voice__item:last-child{border-bottom:0}

.quaiyu-portfolio__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.quaiyu-portfolio__tile{position:relative;display:block;aspect-ratio:4/3;border-radius:var(--quaiyu-radius-md);overflow:hidden;text-decoration:none;color:inherit;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);transition:transform .25s ease}
.quaiyu-portfolio__tile:hover{transform:translateY(-3px)}
.quaiyu-portfolio__tile-bg{position:absolute;inset:0;background:linear-gradient(135deg,color-mix(in srgb, var(--quaiyu-primary) 30%, transparent),color-mix(in srgb, var(--quaiyu-accent) 30%, transparent))}
.quaiyu-portfolio__tile-meta{position:absolute;left:18px;bottom:16px;color:var(--quaiyu-bg);text-shadow:0 1px 4px rgba(0,0,0,.35)}
.quaiyu-portfolio__tile-num{font-family:var(--quaiyu-font-h);font-weight:800;font-size:14px;letter-spacing:.06em;opacity:.85}
.quaiyu-portfolio__tile-tag{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px}

.quaiyu-cprocess__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px}
.quaiyu-cprocess__step{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--quaiyu-border)}
.quaiyu-cprocess__step:last-child{border-bottom:0}
.quaiyu-cprocess__num{font-family:var(--quaiyu-font-h);font-weight:800;font-size:32px;color:var(--quaiyu-primary);line-height:1;opacity:.85}
.quaiyu-cprocess__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:17px;margin-bottom:6px}
.quaiyu-cprocess__desc{font-size:15px;color:var(--quaiyu-muted);line-height:1.55}

.quaiyu-audit-req__wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.quaiyu-audit-req__sub{color:var(--quaiyu-muted);font-size:17px;line-height:1.55;margin-top:12px}
.quaiyu-audit-req__form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--quaiyu-surface);padding:28px;border-radius:var(--quaiyu-radius-lg);border:1px solid var(--quaiyu-border)}

/* ─── Phase 2B — Comparison v2 ──────────────────────────────────────── */
.quaiyu-buyer-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quaiyu-buyer-cat{padding:24px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border:1px solid var(--quaiyu-border)}
.quaiyu-buyer-cat__name{font-family:var(--quaiyu-font-h);font-weight:700;font-size:17px;margin-bottom:10px}
.quaiyu-buyer-cat__desc{font-size:15px;line-height:1.55;color:var(--quaiyu-muted)}

.quaiyu-cat-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quaiyu-cat-card{padding:24px;background:var(--quaiyu-bg);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-md);position:relative}
.quaiyu-cat-card__rank{position:absolute;top:14px;right:14px;font-family:var(--quaiyu-font-h);font-weight:800;color:var(--quaiyu-primary);font-size:13px;background:var(--quaiyu-surface);padding:4px 10px;border-radius:999px}
.quaiyu-cat-card__name{font-family:var(--quaiyu-font-h);font-weight:700;font-size:17px;margin-bottom:10px;padding-right:48px}
.quaiyu-cat-card__desc{font-size:15px;line-height:1.55;color:var(--quaiyu-muted);margin-bottom:14px}
.quaiyu-cat-card__link{color:var(--quaiyu-primary);font-weight:600;font-size:14px;text-decoration:none}

.quaiyu-checklist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.quaiyu-checklist__item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:14px 18px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-sm)}
.quaiyu-checklist__check{color:var(--quaiyu-primary);font-weight:700;font-size:18px}
.quaiyu-checklist__title{font-weight:600;font-size:15px;margin-bottom:4px}
.quaiyu-checklist__desc{font-size:14px;color:var(--quaiyu-muted);line-height:1.5}

.quaiyu-traps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.quaiyu-trap{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:18px 22px;border-left:3px solid var(--quaiyu-accent);background:var(--quaiyu-surface);border-radius:0 var(--quaiyu-radius-md) var(--quaiyu-radius-md) 0}
.quaiyu-trap__num{color:var(--quaiyu-accent);font-weight:800;font-size:24px;line-height:1}
.quaiyu-trap__title{font-weight:600;font-size:15px;margin-bottom:6px}
.quaiyu-trap__desc{font-size:14px;color:var(--quaiyu-muted);line-height:1.5}

.quaiyu-howto__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.quaiyu-howto__step{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding:18px 22px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md)}
.quaiyu-howto__num{width:36px;height:36px;border-radius:50%;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);display:flex;align-items:center;justify-content:center;font-family:var(--quaiyu-font-h);font-weight:700;font-size:14px}
.quaiyu-howto__title{font-weight:600;font-size:16px;margin-bottom:4px}
.quaiyu-howto__desc{font-size:14px;color:var(--quaiyu-muted);line-height:1.5}

.quaiyu-qa-list{list-style:none;padding:0;margin:0;max-width:760px}
.quaiyu-qa__item{padding:16px 0;border-bottom:1px solid var(--quaiyu-border);font-size:17px;font-family:var(--quaiyu-font-h);font-weight:500;color:var(--quaiyu-text)}
.quaiyu-qa__item:last-child{border-bottom:0}
.quaiyu-qa__item::before{content:"? ";color:var(--quaiyu-primary);font-weight:700}

.quaiyu-cklist{list-style:none;padding:0;margin:0;max-width:720px}
.quaiyu-cklist__item{padding:14px 0;padding-left:32px;border-bottom:1px solid var(--quaiyu-border);font-size:15px;line-height:1.55;position:relative}
.quaiyu-cklist__item:last-child{border-bottom:0}
.quaiyu-cklist__item::before{content:"☐";position:absolute;left:0;color:var(--quaiyu-primary);font-size:18px;line-height:1}

.quaiyu-excl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.quaiyu-excl{padding:22px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md)}
.quaiyu-excl__title{font-weight:700;font-size:15px;margin-bottom:8px;color:var(--quaiyu-primary)}
.quaiyu-excl__desc{font-size:14px;line-height:1.55;color:var(--quaiyu-muted)}

.quaiyu-gs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quaiyu-gs{padding:24px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border-top:3px solid var(--quaiyu-primary)}
.quaiyu-gs__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:17px;margin-bottom:10px}
.quaiyu-gs__desc{font-size:14px;line-height:1.55;color:var(--quaiyu-muted)}

.quaiyu-disclosure__panel{padding:28px;background:var(--quaiyu-surface);border:1px solid var(--quaiyu-border);border-radius:var(--quaiyu-radius-md);max-width:760px;margin:0 auto}
.quaiyu-disclosure__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--quaiyu-muted);margin-bottom:10px}
.quaiyu-disclosure__body{font-size:14px;line-height:1.6;color:var(--quaiyu-muted)}

/* ─── Phase 2B — Service v2 ─────────────────────────────────────────── */
.quaiyu-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quaiyu-trust__item{padding:18px 22px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);text-align:center}
.quaiyu-trust__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:15px;margin-bottom:6px}
.quaiyu-trust__desc{font-size:13px;color:var(--quaiyu-muted);line-height:1.5}

.quaiyu-phone-cta__panel{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:36px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-lg)}
.quaiyu-phone-cta__intro h2{margin-bottom:8px}
.quaiyu-phone-cta__sub{color:var(--quaiyu-muted);font-size:15px}
.quaiyu-phone-cta__btn{font-family:var(--quaiyu-font-h);letter-spacing:.04em}

.quaiyu-emerg-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.quaiyu-emerg{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px 24px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border-left:3px solid var(--quaiyu-accent)}
.quaiyu-emerg__icon{width:36px;height:36px;border-radius:50%;background:var(--quaiyu-accent);color:var(--quaiyu-primary-fg);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.quaiyu-emerg__title{font-weight:700;font-size:16px;margin-bottom:4px}
.quaiyu-emerg__desc{font-size:14px;color:var(--quaiyu-muted);line-height:1.5}

.quaiyu-smenu{list-style:none;padding:0;margin:0;border-top:1px solid var(--quaiyu-border)}
.quaiyu-smenu__row{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--quaiyu-border);font-size:16px}
.quaiyu-smenu__name{font-weight:600}
.quaiyu-smenu__sep{color:var(--quaiyu-border)}
.quaiyu-smenu__cta{color:var(--quaiyu-primary);font-size:14px;font-weight:600}

.quaiyu-rproc__list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quaiyu-rproc__step{padding:22px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md)}
.quaiyu-rproc__num{width:32px;height:32px;border-radius:50%;background:var(--quaiyu-primary);color:var(--quaiyu-primary-fg);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-bottom:14px}
.quaiyu-rproc__title{font-weight:700;font-size:15px;margin-bottom:6px}
.quaiyu-rproc__desc{font-size:13px;color:var(--quaiyu-muted);line-height:1.5}

.quaiyu-pricing__list{list-style:none;padding:0;margin:0;max-width:760px}
.quaiyu-pricing__item{padding:14px 0;padding-left:24px;border-bottom:1px solid var(--quaiyu-border);font-size:15px;line-height:1.55;position:relative}
.quaiyu-pricing__item:last-child{border-bottom:0}
.quaiyu-pricing__item::before{content:"€";position:absolute;left:0;color:var(--quaiyu-primary);font-weight:700}

.quaiyu-result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.quaiyu-result__tile{margin:0}
.quaiyu-result__img{aspect-ratio:4/3;border-radius:var(--quaiyu-radius-md);background:linear-gradient(135deg,color-mix(in srgb, var(--quaiyu-primary) 25%, transparent),color-mix(in srgb, var(--quaiyu-accent) 25%, transparent));border:1px solid var(--quaiyu-border)}
.quaiyu-result__cap{font-family:var(--quaiyu-font-h);font-size:13px;color:var(--quaiyu-muted);margin-top:8px;letter-spacing:.04em;text-transform:uppercase}

.quaiyu-exp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.quaiyu-exp{padding:20px 24px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border-left:3px solid var(--quaiyu-primary)}
.quaiyu-exp__num{font-family:var(--quaiyu-font-h);font-weight:800;color:var(--quaiyu-primary);font-size:13px;letter-spacing:.06em;margin-bottom:8px}
.quaiyu-exp__body{font-size:15px;line-height:1.55}

.quaiyu-plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quaiyu-plan{padding:28px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md);border:1px solid var(--quaiyu-border);text-align:left}
.quaiyu-plan__name{font-family:var(--quaiyu-font-h);font-weight:700;font-size:18px;color:var(--quaiyu-primary);margin-bottom:10px}
.quaiyu-plan__body{font-size:14px;color:var(--quaiyu-muted);line-height:1.55;margin-bottom:18px;min-height:48px}

.quaiyu-ba-list{display:grid;grid-template-columns:1fr;gap:18px}
.quaiyu-ba{padding:24px;background:var(--quaiyu-surface);border-radius:var(--quaiyu-radius-md)}
.quaiyu-ba__title{font-family:var(--quaiyu-font-h);font-weight:700;font-size:17px;margin-bottom:14px}
.quaiyu-ba__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quaiyu-ba__cell{padding:18px;background:var(--quaiyu-bg);border-radius:var(--quaiyu-radius-sm)}
.quaiyu-ba__cell--before{border-left:3px solid var(--quaiyu-muted)}
.quaiyu-ba__cell--after{border-left:3px solid var(--quaiyu-primary)}
.quaiyu-ba__label{font-family:var(--quaiyu-font-h);font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px;color:var(--quaiyu-muted)}
.quaiyu-ba__cell--after .quaiyu-ba__label{color:var(--quaiyu-primary)}

.quaiyu-eq-list{list-style:none;padding:0;margin:0}
.quaiyu-eq__row{padding:14px 0;padding-left:24px;border-bottom:1px solid var(--quaiyu-border);font-size:15px;line-height:1.5;position:relative}
.quaiyu-eq__row:last-child{border-bottom:0}
.quaiyu-eq__row::before{content:"▪";position:absolute;left:0;color:var(--quaiyu-primary);font-weight:700}

.quaiyu-qform__wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.quaiyu-qform__sub{color:var(--quaiyu-muted);font-size:15px;margin-top:10px;line-height:1.55}
.quaiyu-qform__form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--quaiyu-surface);padding:28px;border-radius:var(--quaiyu-radius-lg);border:1px solid var(--quaiyu-border)}

/* ─── Mobile responsiveness ─────────────────────────────────────────── */
@media (max-width:880px){
  .quaiyu-pillars-grid,.quaiyu-deliv-grid,.quaiyu-trust-grid,.quaiyu-rproc__list,.quaiyu-campaign-grid{grid-template-columns:repeat(2,1fr)}
  .quaiyu-audit__wrap,.quaiyu-reporting__wrap,.quaiyu-audit-req__wrap,.quaiyu-qform__wrap,.quaiyu-phone-cta__panel{grid-template-columns:1fr}
  .quaiyu-buyer-cat-grid,.quaiyu-cat-card-grid,.quaiyu-portfolio__grid,.quaiyu-result-grid,.quaiyu-gs-grid,.quaiyu-plan-grid,.quaiyu-emerg-grid,.quaiyu-traps-grid,.quaiyu-excl-grid,.quaiyu-exp-grid{grid-template-columns:1fr}
  .quaiyu-case-grid{grid-template-columns:1fr}
  .quaiyu-audit-req__form,.quaiyu-qform__form{grid-template-columns:1fr}
  .quaiyu-cmatrix__table{font-size:13px}
  .quaiyu-ba__row{grid-template-columns:1fr}
}