/* 媧石皇家 demo 3 — Energy Consultation (prefix c3-) */

/* ---------- shared bits ---------- */
.c3-round { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; border: 1px solid currentColor; transition: background .35s var(--ease), color .35s var(--ease); flex: none; }
.c3-round svg { width: 20px; height: 20px; }
.c3-round:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.band-dark .c3-round:hover, .band-burgundy .c3-round:hover { background: var(--on-dark); color: var(--ink); }

/* ---------- 1 · Hero ---------- */
.c3-hero { position: relative; padding-top: calc(var(--hd-h) + clamp(32px, 5vw, 72px)); padding-bottom: clamp(64px, 8vw, 120px); overflow: hidden; }
.c3-hero__rings {
  position: absolute; right: -18vw; top: 50%; width: 92vw; max-width: 1300px; aspect-ratio: 1; transform: translateY(-46%);
  background: repeating-radial-gradient(circle, transparent 0 46px, rgba(168, 138, 92, .22) 46px 47px);
  -webkit-mask-image: radial-gradient(circle, #000 18%, transparent 68%); mask-image: radial-gradient(circle, #000 18%, transparent 68%);
  pointer-events: none; animation: c3-breathe 9s ease-in-out infinite;
}
@keyframes c3-breathe { 50% { transform: translateY(-46%) scale(1.04); opacity: .75; } }
.c3-hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(40px, 6vw, 112px); align-items: center; }
.c3-hero__copy { display: grid; gap: clamp(22px, 2.4vw, 32px); justify-items: start; }
.c3-hero__h { font-family: var(--f-zh-serif); letter-spacing: .08em; }
.c3-hero__lead { max-width: 30em; }
.c3-pass { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; max-width: 620px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.c3-pass > div { padding: 16px 14px 18px; border-left: 1px dashed var(--line); }
.c3-pass > div:first-child { border-left: 0; padding-left: 0; }
.c3-pass dt { font-size: var(--fs-label); letter-spacing: .24em; color: var(--muted); }
.c3-pass dd { margin-top: 4px; font: 500 clamp(1.15rem, 1.6vw, 1.45rem)/1.3 var(--f-zh-serif); color: var(--burgundy); letter-spacing: .06em; white-space: nowrap; }
.c3-hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 32px; }
.c3-hero__fig { position: relative; justify-self: end; width: 100%; max-width: 560px; }
.c3-arch { aspect-ratio: 4 / 5; border-radius: 999px 999px var(--r) var(--r); overflow: hidden; background: var(--stone); box-shadow: 0 0 0 10px var(--paper), 0 0 0 11px var(--line); }
.c3-arch img { width: 100%; height: 100%; object-fit: cover; object-position: 42% 50%; }
.c3-hero__cap { display: flex; align-items: center; gap: 10px; margin-top: 26px; font-size: var(--fs-label); letter-spacing: .16em; color: var(--muted); }
.c3-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--burgundy); box-shadow: 0 0 0 4px var(--burgundy-tint); }

/* ---------- 1b · Intro ---------- */
.c3-intro__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px clamp(40px, 6vw, 112px); align-items: start; }
.c3-intro__h { font-family: var(--f-zh-serif); }
.c3-intro__big { font: 400 clamp(1.15rem, 1.5vw, 1.4rem)/1.95 var(--f-zh-serif); color: var(--ink); letter-spacing: .04em; }
.c3-factors { margin-top: clamp(56px, 7vw, 104px); }
.c3-factors__h { font-size: var(--fs-label); letter-spacing: .24em; color: var(--burgundy); margin-bottom: 24px; }
.c3-factors__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.c3-factors__list li { display: grid; gap: 14px; align-content: start; padding: 24px 24px 8px 0; }
.c3-factors__list li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.c3-factors__n { font-size: 1.6rem; color: var(--burgundy); line-height: 1; }
.c3-factors__list p { font: 400 1.0625rem/1.8 var(--f-zh-serif); }

/* ---------- 2 · Expect track ---------- */
.c3-ex__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 5vw, 64px); }
.c3-ex__head .h2 { margin-top: 18px; font-family: var(--f-zh-serif); }
.c3-ex__side { display: grid; gap: 24px; justify-items: start; }
.c3-ex__nav { display: flex; gap: 12px; }
.c3-ex__scroller {
  --inset: max(var(--gutter), calc((100% - 1440px) / 2 + var(--gutter)));
  overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; scroll-padding-inline: var(--inset);
  padding-inline: var(--inset); padding-bottom: 8px; scrollbar-width: none; overscroll-behavior-x: contain; cursor: grab;
}
.c3-ex__scroller::-webkit-scrollbar { display: none; }
.c3-ex__scroller.is-drag { scroll-snap-type: none; cursor: grabbing; user-select: none; }
.c3-ex__scroller:focus-visible { outline-offset: -2px; }
.c3-ex__track { display: flex; column-gap: clamp(16px, 2vw, 28px); width: max-content; }
.c3-ex__track::after { content: ""; flex: none; width: 1px; }
.c3-ex__card {
  flex: none; width: clamp(272px, 25vw, 352px); scroll-snap-align: start; display: grid; grid-template-rows: auto 1fr;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.c3-ex__card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -28px rgba(38, 32, 28, .35); }
.c3-ex__fig { margin: 12px 12px 0; aspect-ratio: 5 / 4; overflow: hidden; border-radius: 10px 10px 4px 4px; background: var(--stone); }
.c3-ex__fig img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; transition: transform 1.2s var(--ease); }
.c3-ex__card:hover .c3-ex__fig img { transform: scale(1.05); }
.c3-ex__body { display: grid; gap: 12px; align-content: start; padding: 22px 24px 28px; }
.c3-ex__no { display: flex; align-items: center; gap: 12px; font-size: var(--fs-label); letter-spacing: .2em; color: var(--burgundy); }
.c3-ex__no .num { font-size: 1rem; }
.c3-ex__no span + span { padding-left: 12px; border-left: 1px solid var(--line); font-family: var(--f-zh-serif); }
.c3-ex__t { font: 500 1.3rem/1.45 var(--f-zh-serif); letter-spacing: .06em; }
.c3-ex__d { font-size: var(--fs-small); line-height: 1.9; color: var(--muted); }
.c3-ruler { margin-top: 40px; }
.c3-ruler__line { height: 1px; background: var(--line); overflow: hidden; }
.c3-ruler__fill { display: block; height: 100%; background: var(--burgundy); transform-origin: left; transform: scaleX(.04); transition: transform .3s linear; }
.c3-ruler__ticks { display: flex; justify-content: space-between; }
.c3-ruler__tick { position: relative; padding: 14px 4px 4px; min-width: 32px; min-height: 44px; font-size: var(--fs-label); color: var(--muted); transition: color .3s; }
.c3-ruler__tick::before { content: ""; position: absolute; left: 50%; top: -5px; width: 9px; height: 9px; margin-left: -4.5px; border-radius: 50%; background: var(--paper); border: 1px solid var(--line); transition: background .3s, border-color .3s; }
.c3-ruler__tick.is-on { color: var(--burgundy); }
.c3-ruler__tick.is-on::before { background: var(--burgundy); border-color: var(--burgundy); }
.c3-ex__hint { margin-top: 12px; font-size: var(--fs-label); letter-spacing: .12em; }

/* ---------- 3 · Quiz ---------- */
.c3-quiz { position: relative; overflow: hidden; }
.c3-quiz__head { display: grid; gap: 22px; max-width: 760px; margin-bottom: clamp(40px, 5vw, 72px); }
.c3-quiz__head .h2 { font-family: var(--f-zh-serif); }
.c3-quiz__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 5vw, 88px); align-items: center; }
.c3-radar { display: grid; justify-items: center; gap: 14px; }
.c3-radar__svg { width: 100%; max-width: 420px; overflow: visible; }
.c3-radar__ring { fill: none; stroke: rgba(244, 237, 227, .2); stroke-width: 1; }
.c3-radar__ring:first-child { stroke: rgba(244, 237, 227, .4); }
.c3-radar__axis { stroke: rgba(244, 237, 227, .16); stroke-dasharray: 2 4; }
.c3-radar__shape { fill: rgba(233, 201, 195, .28); stroke: #E9C9C3; stroke-width: 1.5; stroke-linejoin: round; }
.c3-radar__lbl { fill: var(--on-dark-muted); font: 500 14px/1 var(--f-sans); letter-spacing: .08em; transition: fill .4s; }
.c3-radar__lbl.is-top { fill: #fff; }
.c3-radar__cap { font-size: var(--fs-label); letter-spacing: .16em; color: var(--on-dark-muted); }
.c3-deck { background: var(--paper); color: var(--ink); border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .5); }
.c3-deck__bar { height: 3px; background: var(--sand); }
.c3-deck__fill { display: block; height: 100%; background: var(--burgundy); transform-origin: left; transform: scaleX(0); transition: transform .6s var(--ease); }
.c3-deck__view { overflow: hidden; }
.c3-deck__track { display: flex; align-items: flex-start; transition: transform .7s var(--ease); }
.c3-slide { flex: 0 0 100%; min-width: 0; padding: clamp(24px, 3.4vw, 48px); display: grid; gap: 12px; opacity: 0; visibility: hidden; transition: opacity .5s var(--ease), visibility 0s .7s; }
.c3-slide.is-on { opacity: 1; visibility: visible; transition: opacity .7s .15s var(--ease), visibility 0s; }
.c3-slide__top { display: flex; justify-content: space-between; align-items: center; min-height: 44px; }
.c3-slide__n { font-size: var(--fs-label); letter-spacing: .2em; color: var(--burgundy); }
.c3-slide__n .num:first-child { font-size: 1.5rem; }
.c3-slide__back { min-height: 44px; padding: 0 4px; font-size: var(--fs-small); letter-spacing: .1em; color: var(--muted); border-bottom: 1px solid transparent; }
.c3-slide__back::before { content: "← "; }
.c3-slide__back:hover { color: var(--ink); }
.c3-slide__q { font: 500 clamp(1.35rem, 2.1vw, 1.85rem)/1.45 var(--f-zh-serif); letter-spacing: .05em; }
.c3-slide__sub { font-size: var(--fs-small); color: var(--muted); }
.c3-opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.c3-opts--col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.c3-opt {
  display: flex; align-items: center; gap: 14px; min-height: 60px; padding: 12px 16px; text-align: left;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: var(--fs-small); line-height: 1.5; letter-spacing: .04em;
  transition: border-color .3s, background .3s, color .3s, transform .3s var(--ease);
}
.c3-opt:hover { border-color: var(--burgundy); transform: translateY(-2px); }
.c3-opt[aria-pressed="true"] { background: var(--burgundy); border-color: var(--burgundy); color: #fff; }
.c3-opt__k { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; border: 1px solid currentColor; font-size: .8125rem; color: var(--burgundy); }
.c3-opt[aria-pressed="true"] .c3-opt__k { color: #fff; }
.c3-opt__sw { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--sw); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .12); }
.c3-opt__sw.is-none { background: repeating-linear-gradient(135deg, transparent 0 4px, var(--line) 4px 5px); }
.c3-slide--done { align-content: start; }
.c3-slide__acts { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 18px; }
.c3-slide--done .btn--light { color: var(--ink); --fill: var(--burgundy); }
.c3-slide--done .btn--light:hover { color: #fff; border-color: var(--burgundy); }
.c3-restart { min-height: 44px; }

.c3-result { margin-top: clamp(48px, 6vw, 88px); padding-top: clamp(40px, 5vw, 64px); border-top: 1px solid rgba(244, 237, 227, .2); }
.c3-result__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px 64px; align-items: end; margin-bottom: 36px; }
.c3-result__head .h3 { font-family: var(--f-zh-serif); font-size: clamp(1.4rem, 2vw, 1.9rem); }
.c3-result__head p { color: var(--on-dark-muted); font-size: var(--fs-small); }
.c3-result__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.c3-pick__a { display: grid; grid-template-rows: auto 1fr; height: 100%; background: var(--paper); color: var(--ink); border-radius: var(--r-lg); overflow: hidden; transition: transform .5s var(--ease); }
.c3-pick__a:hover { transform: translateY(-6px); }
.c3-pick__fig { margin: 12px 12px 0; aspect-ratio: 1; overflow: hidden; border-radius: 10px; background: var(--stone); }
.c3-pick__fig img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.c3-pick__a:hover .c3-pick__fig img { transform: scale(1.05); }
.c3-pick__body { display: grid; gap: 10px; align-content: start; padding: 20px 22px 26px; }
.c3-pick__name { font: 500 1.35rem/1.4 var(--f-zh-serif); letter-spacing: .06em; }
.c3-pick__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.c3-tag { padding: 3px 10px; border: 1px solid var(--line); border-radius: 99px; font-size: .8125rem; color: var(--muted); }
.c3-tag.is-hit { border-color: var(--burgundy); background: var(--burgundy-tint); color: var(--burgundy); }
.c3-pick__lbl { margin-top: 6px; font-size: .75rem; letter-spacing: .24em; color: var(--brass); }
.c3-pick__eff { display: grid; gap: 4px; font-size: var(--fs-small); line-height: 1.75; }
.c3-pick__eff li { position: relative; padding-left: 16px; }
.c3-pick__eff li::before { content: ""; position: absolute; left: 0; top: .8em; width: 6px; height: 1px; background: var(--burgundy); }
.c3-pick__src { font-size: .75rem; color: var(--muted); letter-spacing: .06em; }
.c3-pick__more { justify-self: start; margin-top: 6px; padding-bottom: 3px; border-bottom: 1px solid currentColor; font-size: var(--fs-label); letter-spacing: .14em; color: var(--burgundy); }
.c3-result__foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px 40px; margin-top: 32px; font-size: var(--fs-label); color: var(--on-dark-muted); letter-spacing: .06em; }

/* ---------- 4 · Story stack ---------- */
.c3-st__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(40px, 6vw, 112px); align-items: center; }
.c3-st__intro { display: grid; gap: 22px; justify-items: start; }
.c3-st__intro .h2 { font-family: var(--f-zh-serif); }
.c3-st__fig { width: min(100%, 340px); aspect-ratio: 4 / 5; border-radius: var(--r); overflow: hidden; margin-top: 12px; padding: 12px; background: var(--sand); }
.c3-st__fig img { width: 100%; height: 100%; object-fit: cover; border-radius: 3px; }
.c3-st__stage { display: grid; gap: 28px; }
.c3-st__stack { display: grid; padding: 0 28px 28px 0; touch-action: pan-y; cursor: pointer; user-select: none; }
.c3-st__card {
  grid-area: 1 / 1; display: grid; gap: 28px; align-content: space-between; min-height: 360px;
  padding: clamp(28px, 4vw, 56px); background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  transform-origin: 50% 100%; transition: transform .7s var(--ease), opacity .5s var(--ease), box-shadow .7s var(--ease);
  box-shadow: 0 30px 60px -40px rgba(38, 32, 28, .4);
}
.c3-st__card[data-pos="1"] { transform: translate(14px, 14px) rotate(1.6deg); }
.c3-st__card[data-pos="2"] { transform: translate(26px, 26px) rotate(-1.4deg); background: var(--burgundy-tint); }
.c3-st__card[data-pos="3"] { transform: translate(36px, 34px) rotate(2.6deg); opacity: 0; }
.c3-st__card[data-pos="1"] > *, .c3-st__card[data-pos="2"] > *, .c3-st__card[data-pos="3"] > * { opacity: 0; transition: opacity .3s; }
.c3-st__card > * { transition: opacity .5s .15s; }
.c3-st__card.is-leaving { transform: translate(-120%, -20px) rotate(-10deg); opacity: 0; transition: transform .42s var(--ease-io), opacity .42s; }
.c3-st__card.is-entering { transform: translate(-120%, -20px) rotate(-10deg); opacity: 0; transition: none; }
.c3-st__tag { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; font-size: var(--fs-label); letter-spacing: .2em; color: var(--burgundy); }
.c3-st__q p { font: 400 clamp(1.2rem, 1.9vw, 1.65rem)/1.85 var(--f-zh-serif); letter-spacing: .05em; }
.c3-st__q p::before { content: "「"; margin-left: -.5em; color: var(--burgundy); }
.c3-st__q p::after { content: "」"; color: var(--burgundy); }
.c3-st__who { display: flex; align-items: center; gap: 14px; font-size: var(--fs-small); letter-spacing: .1em; color: var(--muted); }
.c3-st__init { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--burgundy); color: #fff; font: 500 1.05rem/1 var(--f-zh-serif); }
.c3-st__ctrl { display: flex; align-items: center; gap: 12px; }
.c3-st__count { margin-right: auto; font-size: 1.05rem; color: var(--muted); }
.c3-st__count span:first-child { font-size: 1.6rem; color: var(--burgundy); }
.c3-st__hint { font-size: var(--fs-label); letter-spacing: .12em; margin-top: -12px; }

/* ---------- 5 · Google placeholder ---------- */
.c3-g__frame { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 32px 64px; align-items: center; padding: clamp(28px, 4vw, 56px); border: 1px dashed var(--brass); border-radius: var(--r-lg); background: rgba(255, 255, 255, .45); }
.c3-g__copy { display: grid; gap: 16px; justify-items: start; }
.c3-g__h { font-family: var(--f-zh-serif); }
.c3-g__links { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 8px; }
.c3-g__slots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.c3-g__slots li { display: grid; gap: 10px; align-content: start; min-height: 168px; padding: 22px 20px; border-radius: 10px; background: var(--sand); }
.c3-g__slots li::before { content: ""; width: 36px; height: 36px; border-radius: 50%; background: var(--stone); margin-bottom: 6px; }
.c3-g__bar { display: block; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--stone), #EBE3D6, var(--stone)); background-size: 200% 100%; animation: c3-shimmer 2.4s linear infinite; }
.c3-g__bar.w95 { width: 95%; } .c3-g__bar.w90 { width: 90%; } .c3-g__bar.w85 { width: 85%; } .c3-g__bar.w80 { width: 80%; } .c3-g__bar.w75 { width: 75%; }
.c3-g__bar.w70 { width: 70%; } .c3-g__bar.w65 { width: 65%; } .c3-g__bar.w60 { width: 60%; } .c3-g__bar.w50 { width: 50%; }
.c3-g__slots em { margin-top: 10px; font-style: normal; font-size: .75rem; letter-spacing: .12em; color: var(--muted); }
@keyframes c3-shimmer { to { background-position: -200% 0; } }

/* ---------- 6 · FAQ ---------- */
.c3-faq__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px clamp(40px, 6vw, 112px); align-items: start; }
.c3-faq__side { display: grid; gap: 22px; justify-items: start; }
.c3-faq__side .h2 { font-family: var(--f-zh-serif); }
.c3-faq__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.c3-faq__chips .chip { min-height: 44px; }
.c3-faq__more { font-size: var(--fs-small); }
.c3-faq__list { border-top: 1px solid var(--ink); }
.c3-faq__item { border-bottom: 1px solid var(--line); }
.c3-faq__item summary { display: grid; grid-template-columns: 40px minmax(0, 1fr) 28px; gap: 16px; align-items: center; padding: 24px 0; cursor: pointer; list-style: none; }
.c3-faq__item summary::-webkit-details-marker { display: none; }
.c3-faq__no { font-size: .9375rem; color: var(--brass); }
.c3-faq__q { font: 500 clamp(1.08rem, 1.4vw, 1.3rem)/1.55 var(--f-zh-serif); letter-spacing: .05em; transition: color .3s; }
.c3-faq__item summary:hover .c3-faq__q, .c3-faq__item[open] .c3-faq__q { color: var(--burgundy); }
.c3-faq__pm { position: relative; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; transition: transform .5s var(--ease), background .3s, border-color .3s; }
.c3-faq__pm::before, .c3-faq__pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 1px; margin: -.5px 0 0 -5px; background: currentColor; transition: transform .5s var(--ease); }
.c3-faq__pm::after { transform: rotate(90deg); }
.c3-faq__item[open]:not(.is-closing) .c3-faq__pm { background: var(--burgundy); border-color: var(--burgundy); color: #fff; transform: rotate(180deg); }
.c3-faq__item[open]:not(.is-closing) .c3-faq__pm::after { transform: rotate(0); }
.c3-faq__a { overflow: hidden; }
.c3-faq__a-in { display: grid; gap: 14px; padding: 0 44px 28px 56px; font-size: var(--fs-small); line-height: 1.95; color: var(--muted); }

/* ---------- 7 · Booking ---------- */
.c3-book__head { display: grid; gap: 22px; justify-items: center; text-align: center; max-width: 900px; margin: 0 auto clamp(48px, 6vw, 80px); }
.c3-book__head .h1 { font-family: var(--f-zh-serif); }
.c3-book__head .lead { max-width: 40em; }
.c3-ticket { --notch: 18px; position: relative; display: grid; grid-template-columns: minmax(0, 1fr) clamp(240px, 24vw, 320px); background: var(--paper); color: var(--ink); border-radius: var(--r-lg); }
.c3-ticket::before, .c3-ticket::after { content: ""; position: absolute; right: calc(clamp(240px, 24vw, 320px) - var(--notch)); width: calc(var(--notch) * 2); height: calc(var(--notch) * 2); border-radius: 50%; background: var(--dark); }
.c3-ticket::before { top: calc(var(--notch) * -1); } .c3-ticket::after { bottom: calc(var(--notch) * -1); }
.c3-ticket__main { display: grid; gap: 36px; padding: clamp(28px, 4vw, 56px); }
.c3-ticket__steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.c3-ticket__steps li { display: grid; gap: 14px; align-content: start; }
.c3-ticket__steps .num { font-size: 2.2rem; line-height: 1; color: var(--burgundy); }
.c3-ticket__steps h3 { font: 500 1.15rem/1.5 var(--f-zh-serif); letter-spacing: .06em; }
.c3-ticket__steps p { margin-top: 6px; font-size: var(--fs-small); color: var(--muted); line-height: 1.8; }
.c3-ticket__ch { display: flex; flex-wrap: wrap; gap: 12px; }
.c3-ticket__ch .btn--light { color: var(--ink); --fill: var(--ink); }
.c3-ticket__ch .btn--light:hover { color: var(--paper); }
.c3-ticket__stub { display: grid; justify-items: center; align-content: center; gap: 16px; padding: 32px 24px; border-left: 2px dashed var(--line); text-align: center; font-size: var(--fs-small); color: var(--muted); }
.c3-ticket__qr { width: min(100%, 188px); padding: 10px; background: #fff; border-radius: 10px; box-shadow: 0 0 0 1px var(--line); }
.c3-ticket__qr img { width: 100%; height: auto; }

.c3-form { margin-top: clamp(32px, 4vw, 48px); padding: clamp(28px, 4vw, 56px); border: 1px solid rgba(244, 237, 227, .16); border-radius: var(--r-lg); }
.c3-form__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 12px 48px; align-items: end; margin-bottom: 32px; }
.c3-form__head .h3 { font-family: var(--f-zh-serif); }
.c3-form__note { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: var(--fs-small); color: var(--on-dark-muted); }
.c3-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 28px; }
.c3-field { display: grid; gap: 8px; min-width: 0; margin: 0; padding: 0; border: 0; }
.c3-field--wide { grid-column: 1 / -1; }
.c3-field > span, .c3-field legend { padding: 0; font-size: var(--fs-label); letter-spacing: .18em; color: var(--on-dark-muted); }
.c3-field legend { margin-bottom: 8px; }
.c3-field input, .c3-field select, .c3-field textarea {
  width: 100%; min-height: 52px; padding: 12px 16px; border: 1px solid rgba(244, 237, 227, .24); border-radius: 8px;
  background: rgba(255, 255, 255, .04); color: var(--on-dark); font: 400 1rem/1.5 var(--f-sans); letter-spacing: .04em; color-scheme: dark;
  transition: border-color .3s, background .3s;
}
.c3-field textarea { resize: vertical; }
.c3-field input::placeholder, .c3-field textarea::placeholder { color: rgba(185, 174, 162, .7); }
.c3-field input:focus, .c3-field select:focus, .c3-field textarea:focus { outline: none; border-color: #E9C9C3; background: rgba(255, 255, 255, .07); }
.c3-field select option { color: var(--ink); background: var(--paper); }
.c3-seg { display: flex; flex-wrap: wrap; gap: 10px; }
.c3-seg label { position: relative; cursor: pointer; }
.c3-seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.c3-seg span { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border: 1px solid rgba(244, 237, 227, .24); border-radius: 99px; font-size: var(--fs-small); letter-spacing: .06em; transition: background .3s, border-color .3s, color .3s; }
.c3-seg input:checked + span { background: var(--on-dark); border-color: var(--on-dark); color: var(--ink); }
.c3-seg input:focus-visible + span { outline: 2px solid #E9C9C3; outline-offset: 3px; }
.c3-form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 32px; }
.c3-form__err { color: #F1B9B0; font-size: var(--fs-small); }
.c3-form__done { margin-top: 28px; padding: 24px; border-radius: 10px; background: rgba(244, 237, 227, .06); border: 1px solid rgba(244, 237, 227, .16); }
.c3-form__done-h { font: 500 1.05rem/1.5 var(--f-zh-serif); letter-spacing: .06em; }
.c3-form__msg { margin: 14px 0 20px; white-space: pre-wrap; word-break: break-word; font: 400 var(--fs-small)/1.9 var(--f-sans); color: var(--on-dark-muted); }
.c3-form__done-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 8 · Locations ---------- */
.c3-loc .h2 { font-family: var(--f-zh-serif); }
.c3-loc__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(16px, 2.4vw, 32px); }
.c3-loc__card { display: grid; grid-template-rows: auto 1fr; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: #fff; }
.c3-loc__media { aspect-ratio: 16 / 10; background: var(--stone); }
.c3-loc__media img { width: 100%; height: 100%; object-fit: cover; }
.c3-loc__mark { position: relative; display: flex; align-items: center; justify-content: center; gap: 20px; aspect-ratio: 16 / 10; background: var(--burgundy-deep); color: var(--on-dark); overflow: hidden; }
.c3-loc__mark::before { content: ""; position: absolute; inset: -40%; background: repeating-radial-gradient(circle at 50% 50%, transparent 0 38px, rgba(244, 237, 227, .08) 38px 39px); }
.c3-loc__mark span { position: relative; writing-mode: vertical-rl; font: 400 clamp(3.4rem, 7vw, 6rem)/1 var(--f-zh-serif); letter-spacing: .2em; }
.c3-loc__mark small { position: relative; writing-mode: vertical-rl; font-size: var(--fs-label); letter-spacing: .4em; color: var(--on-dark-muted); }
.c3-loc__body { display: grid; gap: 14px; align-content: start; padding: clamp(24px, 3vw, 40px); }
.c3-loc__kicker { font-size: var(--fs-label); letter-spacing: .24em; color: var(--burgundy); }
.c3-loc__name { font-family: var(--f-zh-serif); font-size: clamp(1.5rem, 2vw, 1.9rem); }
.c3-loc__dl { display: grid; margin-top: 8px; border-top: 1px solid var(--line); }
.c3-loc__dl > div { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-small); }
.c3-loc__dl dt { color: var(--muted); letter-spacing: .2em; }
.c3-loc__dl a:hover { color: var(--burgundy); }
.c3-loc__links { display: flex; flex-wrap: wrap; gap: 14px 28px; margin-top: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .c3-opts--col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c3-ticket__steps { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .c3-ticket__steps li { grid-template-columns: 56px minmax(0, 1fr); }
}
@media (max-width: 991px) {
  .c3-hero__grid, .c3-intro__grid, .c3-ex__head, .c3-quiz__grid, .c3-st__grid, .c3-g__frame, .c3-faq__grid, .c3-result__head, .c3-form__head { grid-template-columns: minmax(0, 1fr); }
  .c3-hero__fig { justify-self: start; max-width: 520px; }
  .c3-hero__rings { right: -50vw; top: 72%; width: 150vw; }
  .c3-factors__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c3-factors__list li:nth-child(3) { padding-left: 0; border-left: 0; }
  .c3-factors__list li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .c3-radar__svg { max-width: 340px; }
  .c3-quiz__grid { gap: 24px; }
  .c3-result__list { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(260px, 46%); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; }
  .c3-pick { scroll-snap-align: start; }
  .c3-st__fig { display: none; }
  .c3-ticket { grid-template-columns: minmax(0, 1fr); }
  .c3-ticket::before, .c3-ticket::after { display: none; }
  .c3-ticket__stub { grid-template-columns: auto minmax(0, 1fr); justify-items: start; text-align: left; border-left: 0; border-top: 2px dashed var(--line); }
  .c3-ticket__qr { width: 132px; }
  .c3-ticket__steps li { grid-template-columns: 56px minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .c3-loc__grid, .c3-g__slots { grid-template-columns: minmax(0, 1fr); }
  .c3-g__slots li { min-height: 0; }
  .c3-g__slots li:nth-child(n+2) { display: none; }
}
@media (max-width: 640px) {
  .c3-hero { padding-top: calc(var(--hd-h) + 24px); }
  .c3-pass { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c3-pass > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .c3-pass > div:nth-child(n+3) { border-top: 1px dashed var(--line); }
  .c3-arch { box-shadow: 0 0 0 6px var(--paper), 0 0 0 7px var(--line); }
  .c3-factors__list { grid-template-columns: minmax(0, 1fr); }
  .c3-factors__list li, .c3-factors__list li + li { padding: 20px 0 14px; border-left: 0; }
  .c3-factors__list li + li { border-top: 1px solid var(--line); }
  .c3-factors__list li { grid-template-columns: 44px minmax(0, 1fr); }
  .c3-ex__card { width: 80vw; max-width: 330px; }
  .c3-ruler__tick { min-width: 0; padding-inline: 0; font-size: .75rem; }
  .c3-opts, .c3-opts--col { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .c3-opts--col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c3-opt { min-height: 54px; padding: 10px 14px; }
  .c3-result__list { grid-auto-columns: 82%; }
  .c3-st__stack { padding: 0 18px 22px 0; }
  .c3-st__card { min-height: 0; }
  .c3-st__card[data-pos="1"] { transform: translate(9px, 9px) rotate(1.4deg); }
  .c3-st__card[data-pos="2"] { transform: translate(17px, 17px) rotate(-1.2deg); }
  .c3-faq__item summary { grid-template-columns: 30px minmax(0, 1fr) 28px; gap: 12px; padding: 20px 0; }
  .c3-faq__a-in { padding: 0 0 24px 42px; }
  .c3-ticket__stub { grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; }
  .c3-ticket__ch .btn { flex: 1 1 100%; }
  .c3-form__grid { grid-template-columns: minmax(0, 1fr); }
  .c3-seg label, .c3-seg span { width: 100%; }
  .c3-form__foot .btn, .c3-form__done-cta .btn { width: 100%; }
  .c3-loc__dl > div { grid-template-columns: 52px minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .c3-hero__rings, .c3-g__bar { animation: none; }
}
@media (min-width: 992px) {
  .c3-faq__side { position: sticky; top: calc(var(--hd-h) + 32px); }
}
@media (max-width: 640px) {
  .c3-radar__svg { max-width: 270px; }
}