/* 301汽貿 homepage (mobile-first). Shared tokens and chrome live in site.css. */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p,ol,ul,dl,dd,figure{margin:0}
ol,ul{padding:0;list-style:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:760px}
section{scroll-margin-top:calc(var(--head-h) + var(--bar-h) + 12px)}
h2{font-size:clamp(26px,7vw,36px);line-height:1.3;color:var(--maroon);font-weight:700}

/* Hero: photo carousel with three text states, then the price board. */
.hero-media{position:relative;height:clamp(300px,44svh,440px);overflow:hidden;background:var(--maroon-900);touch-action:pan-y}
.slides,.slide{position:absolute;inset:0;margin:0}
.slide{transform:translateX(100%)}
.slide.is-active{transform:none}
.slide.is-out-left{transform:translateX(-100%)}
.slide.is-out-right{transform:translateX(100%)}
.slide.is-anim{transition:transform .5s var(--ease-out)}
.slide img{width:100%;height:100%;object-fit:cover;object-position:var(--focus,50% 50%)}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(47,25,24,0) 12%,rgba(47,25,24,.62) 48%,rgba(47,25,24,.9) 100%);pointer-events:none}
.visit-photo .slide-cap{position:absolute;left:16px;z-index:3;padding:4px 10px;border-radius:6px;background:rgba(47,25,24,.62);color:#fff;font-size:13px;line-height:1.5}
.slide-next{position:absolute;right:12px;top:50%;margin-top:-22px;z-index:3;width:44px;height:44px;border-radius:50%;border:1px solid rgba(201,168,106,.75);background:rgba(47,25,24,.55);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background-color .18s var(--ease-out),transform .18s var(--ease-out)}
.slide-next:hover{background:var(--maroon)}
.slide-next:active{transform:scale(.96)}
.hero .slide-next{top:38%}
.slide-next svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hero-line{position:absolute;left:0;right:0;bottom:0;width:100%;height:clamp(34px,9%,72px);z-index:1;pointer-events:none}
.hero-line path{fill:none;stroke:var(--gold);stroke-width:1.4;vector-effect:non-scaling-stroke;opacity:.9}
.hero-line path+path{stroke-width:1;opacity:.55}

.hero-copy{position:absolute;left:20px;right:64px;bottom:38px;z-index:2;color:#fff}
.hero-states{display:grid}
.hero-state{grid-area:1/1;align-self:end;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .45s var(--ease-out),transform .45s var(--ease-out),visibility 0s .45s}
.hero-state.is-active{opacity:1;visibility:visible;transform:none;transition:opacity .45s var(--ease-out),transform .45s var(--ease-out),visibility 0s}
.hero-copy h1{font-size:clamp(34px,10vw,52px);line-height:1.18;font-weight:700;text-wrap:balance}
.hero-copy h1+p{margin-top:8px;font-size:14px;line-height:1.5;color:var(--on-dark)}
.state-title{font-size:22px;line-height:1.3;color:#fff}
.adv,.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;margin-top:10px}
.adv li,.hero-stats li{display:flex;flex-direction:column;padding-top:8px;border-top:1px solid rgba(201,168,106,.6)}
.adv li{flex-direction:row;align-items:flex-start;gap:8px}
.adv li>div{display:flex;flex-direction:column;min-width:0}
.adv-ico{flex:0 0 22px;width:22px;height:22px;margin-top:2px;fill:none;stroke:var(--gold-soft);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.adv b{font-size:17px;line-height:1.35;font-weight:600}
.adv span,.hero-stats span{font-size:13px;line-height:1.45;color:var(--on-dark)}
.hero-stats b{font:600 30px/1.1 var(--font-num);color:#fff}
.state-tabs{display:flex;gap:4px;margin-top:10px}
.state-tabs button{min-height:44px;padding:0 10px;border:0;background:none;color:var(--on-dark);font:500 14px/1 var(--font-body);cursor:pointer;box-shadow:inset 0 -2px rgba(201,168,106,.25)}
.state-tabs button:first-child{padding-left:0}
.state-tabs button[aria-selected=true]{color:#fff;font-weight:600;box-shadow:inset 0 -2px var(--gold)}
.state-tabs button:first-child[aria-selected=true]{box-shadow:inset 0 -2px var(--gold)}

.hero-panel{padding:18px 20px 12px;background:var(--paper)}
.board-title{font-size:15px;line-height:1.4;font-family:var(--font-body);color:var(--ink-2);font-weight:600}
.price-board{margin-top:6px;border-top:1px solid var(--gold)}
.price-board a{display:grid;grid-template-columns:1fr auto 18px;align-items:center;gap:10px;min-height:58px;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.price-board li:first-child a{padding-top:12px}
.price-board a::after{content:"";width:8px;height:8px;border:solid var(--gold);border-width:1.5px 1.5px 0 0;transform:rotate(45deg);justify-self:end}
.pr-label{font-size:16px;font-weight:600;line-height:1.35}
.pr-label small{display:block;font-size:13px;font-weight:400;color:var(--ink-2);word-break:keep-all;overflow-wrap:anywhere}
.pr-num{font:600 30px/1 var(--font-num);color:var(--maroon);font-variant-numeric:tabular-nums;white-space:nowrap;letter-spacing:.01em;text-align:right}
.price-board a:hover .pr-num{color:var(--maroon-700)}
.hero-after{padding:4px 20px 28px}
.board-note,.also{margin-top:12px;font-size:14px;line-height:1.6;color:var(--ink-2)}
.board-note a,.also a{color:var(--maroon);font-weight:600;text-underline-offset:4px;text-decoration-color:var(--gold)}
.hero-actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:18px}

/* Guide band */
.guide-band{background:var(--maroon);color:#fff;padding:48px 0 52px;position:relative;overflow:hidden}
.guide-band::before{content:"";position:absolute;left:-10%;right:-10%;top:28px;height:1px;background:linear-gradient(90deg,transparent,rgba(201,168,106,.6),transparent)}
.guide-band h2{color:#fff;font-size:clamp(30px,8vw,40px)}
.guide-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 16px;align-items:center}
.guide-grid>*{grid-column:1/-1}
.guide-grid h2{grid-column:1}
.guide-band .lede{margin-top:10px;font-size:17px;color:var(--gold-soft)}
.guide-points{margin-top:20px;counter-reset:pt}
.guide-points li{position:relative;counter-increment:pt;display:grid;grid-template-columns:34px 1fr;column-gap:12px;border-top:1px solid rgba(201,168,106,.35)}
.guide-points li::before{content:counter(pt);font:600 28px/1 var(--font-num);color:var(--gold);grid-row:span 2;padding-top:15px;transition:opacity .3s}
.guide-points h3{font-size:18px;line-height:1.4;font-weight:600}
.guide-points h3 button{display:block;width:100%;min-height:52px;padding:14px 0;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer}
.gp-body{display:grid;grid-template-rows:1fr;transition:grid-template-rows .45s var(--ease-out)}
.gp-body>div{overflow:hidden}
.guide-points p{padding-bottom:16px;font-size:15px;line-height:1.65;color:var(--on-dark)}
.gp-bar{display:none}
/* Each open point shows what the price looks like, struck through, against what it really costs */
.guide-points .gp-vs{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:0 0 8px;font-size:15px;line-height:1.3}
.gp-vs s{padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.1);color:var(--on-dark-2);text-decoration-color:var(--gold)}
.gp-vs span{color:var(--gold)}
.gp-vs b{padding:4px 10px;border-radius:6px;background:var(--gold);color:var(--maroon-900);font-weight:700}
.guide-more{margin-top:4px;padding-top:14px;border-top:1px solid rgba(201,168,106,.35)}
.guide-more p{font-size:14px;color:var(--gold-soft)}
.guide-more ul{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.guide-more li{padding:4px 10px;border:1px solid rgba(201,168,106,.55);border-radius:999px;font-size:13px;line-height:1.4;color:var(--on-dark)}
/* With JS: one point open at a time; a gold line fills along the top edge, then the next point opens */
.is-acc li:not(.is-open) .gp-body{grid-template-rows:0fr}
.is-acc li:not(.is-open)::before{opacity:.8}
.is-acc li:not(.is-open) h3 button{color:var(--on-dark)}
.is-acc .gp-bar{display:block;position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left}
.is-acc .is-open .gp-bar{animation:gp-fill 6s linear forwards}
.is-acc.is-manual .gp-bar{animation:none;transform:scaleX(1)}
.is-acc.is-paused .gp-bar,.is-acc.is-held .gp-bar,.is-acc:focus-within .gp-bar{animation-play-state:paused}
@keyframes gp-fill{to{transform:scaleX(1)}}
.booklet{grid-column:2;grid-row:1;position:relative;display:block;width:84px;margin-right:6px;transform:rotate(-4deg);transition:transform .3s var(--ease-out)}
.booklet img{position:relative;z-index:2;width:100%;border-radius:3px 6px 6px 3px;box-shadow:0 2px 4px rgba(47,25,24,.3),0 18px 36px rgba(47,25,24,.45)}
.booklet::before,.booklet::after{content:"";position:absolute;inset:0;border-radius:3px 6px 6px 3px;background:#f4ece6}
.booklet::before{transform:translate(8px,6px) rotate(3deg)}
.booklet::after{transform:translate(4px,3px) rotate(1.5deg);background:#fff}
.booklet-tag{position:absolute;z-index:3;right:-8px;bottom:10px;padding:3px 7px;border-radius:5px;background:var(--wa);color:#fff;font:600 12px/1.2 var(--font-body);white-space:nowrap;transform:rotate(4deg)}
.booklet:hover{transform:rotate(-2deg) translateY(-4px)}
.guide-actions{display:flex;flex-direction:column;align-items:flex-start;gap:16px;margin-top:8px}
.guide-actions .btn{width:100%}

/* Shop and trust */
.visit{padding:52px 0}
.visit-photo{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:var(--tint);touch-action:pan-y}
.visit-photo .slide-cap{top:auto;bottom:14px}
.visit-photo .slide-next{background:rgba(47,25,24,.75)}
.visit-copy{margin-top:22px;min-width:0}
.facts{margin:14px 0 22px;display:grid;gap:0}
.facts div{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.55}
.facts dt{color:var(--ink-2)}
.facts dd a{color:var(--maroon);font-weight:600;text-underline-offset:4px;text-decoration-color:var(--gold)}
.visit .btn{width:100%}
.partners{margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.partners h3{font-size:14px;line-height:1.5;font-weight:600;color:var(--ink-2);text-align:center}
.logo-marquee{margin-top:14px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent)}
.logo-track{display:flex;align-items:center;gap:40px;width:max-content;padding:4px 0;animation:logos 26s linear infinite}
.logo-track li{padding-right:0}
.logo-track img{height:24px;width:auto}
.logo-marquee:hover .logo-track,.logo-track.is-offscreen{animation-play-state:paused}
@keyframes logos{to{transform:translateX(calc(-50% - 20px))}}

/* Case records rail */
.cases{padding:48px 0 44px;background:var(--paper-2)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap}
.rail{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:18px 20px 10px;scroll-padding:0 20px;scrollbar-width:thin;scrollbar-color:var(--gold) transparent;overscroll-behavior-x:contain}
.rail::-webkit-scrollbar{height:4px}.rail::-webkit-scrollbar-thumb{background:var(--gold);border-radius:4px}
.rail>*{flex:0 0 72%;max-width:300px;scroll-snap-align:start}
.case-card{margin:0;text-decoration:none;color:var(--ink)}
.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);background:var(--tint)}
.case-card .cap{display:block;margin-top:8px;font-size:14px;line-height:1.45;color:var(--ink-2)}
.quote-card{display:flex;flex-direction:column;justify-content:space-between;gap:14px;padding:18px;border:1px solid var(--gold);border-radius:var(--radius);background:#fff;aspect-ratio:4/3.6}
.quote-card blockquote{margin:0;font:600 16px/1.6 var(--font-display);color:var(--maroon-900)}
.quote-card cite{font-style:normal;font-size:13px;color:var(--ink-2)}

/* Process */
.process{padding:52px 0 36px}
.steps{display:flex;gap:16px;margin:18px -20px 0;padding:0 20px 8px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 20px;scrollbar-width:none;counter-reset:st}
.steps::-webkit-scrollbar{display:none}
.steps li{counter-increment:st;flex:0 0 136px;scroll-snap-align:start;display:flex;flex-direction:column;padding-top:12px;border-top:2px solid var(--gold)}
.steps li::before{content:counter(st);font:600 24px/1.2 var(--font-num);color:var(--gold-ink)}
.steps b{font-size:16px;line-height:1.45}
.steps span{font-size:14px;color:var(--ink-2)}

/* FAQ */
.faq{padding:24px 0 48px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:56px;padding:14px 0;font-size:16px;font-weight:600;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:0 0 9px;height:9px;border:solid var(--maroon);border-width:0 1.5px 1.5px 0;transform:rotate(45deg);transition:transform .2s var(--ease-out)}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .answer{padding:0 0 16px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.faq .answer p+p{margin-top:8px}
.faq .answer strong{color:var(--ink)}
.faq h2{margin-bottom:14px}
.faq .text-link{margin-top:18px}

@media (min-width:640px){
  .hero-actions{grid-template-columns:1fr;max-width:420px}
  .guide-actions{flex-direction:row;align-items:center}
  .guide-actions .btn{width:auto}
  .visit .btn{width:auto}
  .rail>*{flex-basis:300px}
}
@media (min-width:900px){
  h2{font-size:38px}
  .hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(380px,1fr);grid-template-rows:1fr auto auto 1fr;height:min(calc(100svh - var(--head-h) - var(--bar-h) - 24px),760px);min-height:600px;background:var(--paper)}
  .hero-pin{display:contents}
  .hero-media{height:auto;grid-row:1/5;grid-column:1}
  .hero-panel{grid-column:2;grid-row:2;padding:24px 44px 0}
  .hero-after{grid-column:2;grid-row:3;padding:4px 44px 24px}
  .hero-after .hero-actions{grid-template-columns:1fr}
  .hero-copy{left:40px;right:84px;bottom:44px;max-width:560px}
  .hero-copy h1{font-size:56px}
  .hero-copy h1+p{font-size:16px}
  .state-title{font-size:26px}
  .adv b{font-size:19px}
  .hero-stats b{font-size:36px}
  .slide-next{right:20px}
  .hero .slide-next{top:50%}
  .guide-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:0 64px}
  .guide-grid>*{grid-column:1}
  .guide-points{margin-top:28px}
  .booklet{grid-column:2;grid-row:1/6;width:260px;margin:0 auto}
  .booklet-tag{right:-10px;top:18px;bottom:auto;padding:6px 12px;font-size:14px}
  .visit-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
  .visit-copy{margin-top:0}
  .rail{padding-left:max(20px,calc((100vw - 92px - 1080px)/2));scroll-padding-left:max(20px,calc((100vw - 92px - 1080px)/2))}
  .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0 20px;margin:18px 0 0;padding:0;overflow:visible}
  .steps li{padding-top:14px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.booklet,.gp-body{transition:none}.is-acc .gp-bar{display:none}.slide.is-anim{transition:none}.logo-track{animation:none!important;flex-wrap:wrap;justify-content:center;width:auto}.logo-track li[aria-hidden]{display:none}.logo-marquee{-webkit-mask-image:none;mask-image:none}}