.portfolio-nav{display:flex;align-items:center;justify-content:space-between;gap:14px;max-width:2050px;margin:auto;padding:12px 38px;border-bottom:1px solid #c9cec4;font-size:13px}
.portfolio-nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;color:#2450d8}
.portfolio-nav span{font-size:11px;letter-spacing:.12em;color:#627986}
.prototype-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:32px 0 22px;padding-top:22px;border-top:1px solid #bcc3b7}
.prototype-heading h2{flex-shrink:0;margin:0;font:400 26px/1.3 SimSun,serif;color:#2e332c;letter-spacing:2px}
.prototype-hint{display:flex;align-items:flex-start;gap:12px;max-width:510px;padding:14px 18px;border-left:2px solid #2450d8;background:#e6ebf2;color:#2450d8}
.prototype-hint svg{flex-shrink:0;margin-top:2px}.prototype-hint p{margin:0;line-height:1.7}.prototype-hint strong{display:block;font-size:15px;font-weight:500}.prototype-hint span{display:block;margin-top:3px;color:#52616f;font-size:14px}
.phone button:not(:disabled){touch-action:manipulation;transition:transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease}
.phone button:not(:disabled):active{transform:scale(.975)}
.phone .date:not(:disabled):hover,.phone .slot:not(:disabled):hover{border-color:#2450d8}
.ripple-wave{background:rgba(36,80,216,.46)}.ripple-light .ripple-wave{background:rgba(255,255,255,.66)}
@media(max-width:650px){.prototype-heading{align-items:stretch;flex-direction:column;gap:14px;margin-top:24px}.prototype-hint{max-width:none;padding:14px}.prototype-heading h2{font-size:25px}}
.showcase-hero img{height:auto;min-height:0;max-height:none;object-fit:contain;aspect-ratio:auto}
.showcase-hero{align-items:stretch}
.page-images{margin:0 0 32px;border:1px solid #c9cec4;background:#edf0ec}
.page-images img{display:block;width:100%;height:auto}
.page-images p{margin:0;padding:14px 18px;color:#606860;font-size:12px;line-height:1.7}
.studio.demo .page-images{display:none}
.design-concept{display:grid;grid-template-columns:minmax(230px,.85fr) minmax(0,2fr);gap:clamp(28px,5vw,90px);margin:0 0 40px;padding:32px 0 36px;border-top:1px solid #bcc3b7;border-bottom:1px solid #bcc3b7}
.concept-heading>span{font-size:14px;color:#627986}.concept-heading h2{margin:18px 0 0;font:400 clamp(26px,2.6vw,40px)/1.55 "Songti SC",SimSun,serif;letter-spacing:2px;color:#2e332c}
.concept-lead{margin:0 0 28px;max-width:850px;font-size:16px;line-height:2;color:#41493f}.concept-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.concept-principles h3{margin:0 0 13px;color:#2450d8;font-size:14px;font-weight:500;line-height:1.7}.concept-principles p{margin:0;font-size:14px;line-height:1.95;color:#606860}
@media(max-width:1000px){.design-concept{grid-template-columns:1fr;gap:24px}.concept-heading h2 br{display:none}}
@media(max-width:650px){.design-concept{padding:26px 0;margin-bottom:28px}.concept-principles{grid-template-columns:1fr;gap:24px}.concept-lead{font-size:15px;margin-bottom:24px}.concept-heading h2{font-size:28px;letter-spacing:1px}.concept-heading h2 br{display:block}}
.phone .back{min-width:44px}.counter button{width:44px;height:44px}.textbtn,.chip{min-height:44px}
.state select{max-width:100%;min-height:44px}.modes button,.modes a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:1000px){.portfolio-nav{padding:10px 24px}.board{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.portfolio-nav{padding:8px 16px;flex-wrap:wrap}.portfolio-nav span{display:none}.studio{padding:22px 16px}.mast{flex-wrap:wrap}.mast p{font-size:13px}.toolbar{align-items:flex-start}.modes{max-width:100%;flex-wrap:wrap}.state{width:100%;font-size:14px}.state select{font-size:14px}.board,.demo .board{grid-template-columns:minmax(0,390px)}.phone{width:100%}.showcase-hero img{aspect-ratio:auto}.showcase-side p{font-size:14px}.page-images p{font-size:13px}.notes p{font-size:13px}.showcase-side small{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}