:root {
  --ink: #171411;
  --ink-soft: #302a25;
  --ivory: #f4efe6;
  --paper: #fbf8f2;
  --stone: #d8cdbf;
  --gold: #b89962;
  --gold-pale: #e8d8ba;
  --oxblood: #711f26;
  --muted: #776d64;
  --line: rgba(23, 20, 17, .14);
  --shadow: 0 25px 70px rgba(31, 24, 17, .13);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: "Microsoft YaHei", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.locked { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.skip-link {
  position: fixed; left: 1rem; top: -5rem; z-index: 999;
  padding: .7rem 1rem; background: white; color: black;
}
.skip-link:focus { top: 1rem; }
.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;
}

.topbar {
  position: fixed; inset: 0 0 auto; z-index: 80;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: 82px; padding: 0 3vw;
  color: #fff; border-bottom: 1px solid rgba(255,255,255,.16);
  transition: background .35s ease, height .35s ease, box-shadow .35s ease;
}
.topbar.scrolled {
  height: 68px; color: var(--ink); background: rgba(244,239,230,.92);
  border-color: var(--line); box-shadow: 0 10px 35px rgba(30,24,18,.07); backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: .8rem; width: fit-content; }
.brand-mark { font-size: 2rem; line-height: 1; color: var(--gold-pale); }
.scrolled .brand-mark { color: var(--oxblood); }
.brand-text { display: grid; line-height: 1.05; }
.brand-text strong { font-family: var(--serif); font-size: 1.08rem; letter-spacing: .16em; }
.brand-text small { margin-top: .36rem; font-size: .55rem; letter-spacing: .14em; opacity: .65; }
.topnav { display: flex; gap: clamp(1rem, 2.5vw, 2.5rem); font-size: .78rem; letter-spacing: .08em; }
.topnav a { position: relative; padding: .35rem 0; opacity: .82; }
.topnav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: currentColor; transition: right .25s; }
.topnav a:hover::after { right: 0; }
.selection-button {
  justify-self: end; border: 1px solid currentColor; border-radius: 999px;
  padding: .58rem .85rem .58rem 1.05rem; background: transparent; cursor: pointer;
  font-size: .76rem; letter-spacing: .06em;
}
.selection-button span {
  display: inline-grid; place-items: center; min-width: 1.55rem; height: 1.55rem;
  margin-left: .5rem; border-radius: 99px; color: var(--ink); background: var(--gold-pale); font-weight: 700;
}

.hero {
  position: relative; min-height: 920px; display: grid; grid-template-columns: 1.02fr .98fr;
  overflow: hidden; color: #f7f1e8; background:
    radial-gradient(circle at 70% 48%, rgba(184,153,98,.25), transparent 25%),
    linear-gradient(118deg, #15120f 0%, #211b17 58%, #0e0c0a 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,.11) 50%, transparent 50.1%);
}
.hero-grain { position: absolute; inset: 0; opacity: .11; pointer-events: none; }
.hero-grain::before {
  content: ""; position: absolute; inset: -50%; width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  animation: grain 9s steps(10) infinite;
}
@keyframes grain { 0%,100%{transform:translate(0,0)} 25%{transform:translate(4%,-7%)} 50%{transform:translate(-8%,4%)} 75%{transform:translate(7%,8%)} }
.hero-copy {
  position: relative; z-index: 2; align-self: center; padding: 135px 5.4vw 80px 7vw;
}
.eyebrow { margin: 0 0 1.4rem; font-size: .68rem; font-weight: 700; letter-spacing: .26em; text-transform: uppercase; color: var(--gold); }
.hero h1, .section-heading h2, .catalog-header h2, .pricing h2, .final-cta h2 {
  margin: 0; font-family: var(--serif); font-weight: 500; line-height: 1.05; letter-spacing: -.035em;
}
.hero h1 { font-size: clamp(3.5rem, 6vw, 7.4rem); }
.hero h1 em, .final-cta h2 em { color: var(--gold-pale); font-style: normal; }
.hero-lead { max-width: 610px; margin: 2.2rem 0 0; color: rgba(255,255,255,.7); font-size: 1rem; line-height: 1.9; }
.hero-lead span { color: white; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.3rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 1rem;
  min-height: 52px; padding: .8rem 1.3rem; border: 1px solid transparent; cursor: pointer;
  font-size: .82rem; font-weight: 700; letter-spacing: .06em; transition: transform .25s, background .25s, color .25s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--gold-pale); }
.button-primary:hover { background: #f6e7ca; }
.button-ghost { border-color: rgba(255,255,255,.35); color: white; background: transparent; }
.button-light { color: var(--ink); background: var(--paper); }
.button-ghost-dark { border-color: var(--line); color: var(--ink); background: transparent; }
.hero-metrics { display: flex; gap: 2.5rem; margin-top: 4rem; }
.hero-metrics div { display: grid; border-left: 1px solid rgba(255,255,255,.18); padding-left: 1rem; }
.hero-metrics strong { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; }
.hero-metrics span { color: rgba(255,255,255,.48); font-size: .7rem; letter-spacing: .12em; }
.hero-visual { position: relative; z-index: 2; display: grid; place-items: center; padding: 120px 5vw 70px 3vw; }
.hero-orbit { position: absolute; width: min(38vw, 560px); aspect-ratio: 1; border: 1px solid rgba(232,216,186,.25); border-radius: 50%; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; inset: 8%; border: 1px solid rgba(232,216,186,.14); border-radius: 50%; }
.hero-orbit::after { inset: 25%; }
.hero-product { position: relative; width: min(76%, 590px); margin: 0; background: var(--paper); box-shadow: 0 40px 120px rgba(0,0,0,.4); transform: rotate(2deg); }
.hero-product::before { content: ""; position: absolute; inset: 14px; z-index: 1; border: 1px solid rgba(113,31,38,.25); pointer-events: none; }
.hero-product img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.hero-product figcaption { display: grid; padding: 1.2rem 1.35rem 1.35rem; color: var(--ink); }
.hero-product figcaption span { color: var(--oxblood); font-size: .62rem; font-weight: 700; letter-spacing: .12em; }
.hero-product figcaption strong { margin-top: .35rem; font-family: var(--serif); font-size: 1.35rem; font-weight: 500; }
.hero-product figcaption small { margin-top: .2rem; color: var(--muted); }
.hero-vertical { position: absolute; right: 2vw; margin: 0; writing-mode: vertical-rl; color: rgba(255,255,255,.26); font-size: .6rem; letter-spacing: .35em; }

.section { padding: 120px 6vw; }
.section-heading { max-width: 680px; }
.section-heading h2, .pricing h2 { font-size: clamp(2.6rem, 4.5vw, 5.4rem); }
.section-heading > p:last-child, .catalog-header > p, .pricing-copy > p { max-width: 620px; margin: 1.5rem 0 0; color: var(--muted); }
.portraits { background: var(--paper); }
.portrait-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 4.5rem; background: var(--line); border: 1px solid var(--line); }
.portrait-card {
  position: relative; min-height: 350px; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end;
  padding: 2rem; border: 0; overflow: hidden; text-align: left; color: var(--ink); background: var(--paper); cursor: pointer;
}
.portrait-card::before { content: ""; position: absolute; inset: 0; opacity: 0; transform: scale(.9); transition: opacity .4s, transform .55s; }
.portrait-pet::before { background: radial-gradient(circle at 65% 25%, #ebd6ae, transparent 40%), linear-gradient(145deg,#f9f2e5,#dfcab0); }
.portrait-couple::before { background: radial-gradient(circle at 70% 22%, #d5bdb5, transparent 42%), linear-gradient(145deg,#f2e8e4,#cfaeaa); }
.portrait-parent::before { background: radial-gradient(circle at 68% 24%, #d7d4be, transparent 42%), linear-gradient(145deg,#f2f0e5,#c7c5ad); }
.portrait-family::before { background: radial-gradient(circle at 68% 24%, #c6c2bd, transparent 42%), linear-gradient(145deg,#e8e4df,#b1aaa1); }
.portrait-card:hover::before { opacity: 1; transform: scale(1); }
.portrait-card > * { position: relative; z-index: 1; }
.portrait-index { position: absolute; top: 1.5rem; left: 1.7rem; font-size: .65rem; letter-spacing: .15em; color: var(--muted); }
.portrait-icon { position: absolute; top: 2rem; right: 2rem; font-family: var(--serif); font-size: 3.3rem; color: var(--oxblood); opacity: .8; }
.portrait-card strong { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; }
.portrait-card small { margin-top: .25rem; color: var(--muted); }
.portrait-card i { margin-top: 1.6rem; font-style: normal; font-size: .72rem; font-weight: 700; letter-spacing: .08em; }

.catalog-section { padding: 120px 4vw; background: #e9e1d5; }
.catalog-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; max-width: 1500px; margin: auto; }
.catalog-header h2 { font-size: clamp(3rem, 5vw, 6rem); }
.catalog-header > p { max-width: 480px; margin-bottom: .8rem; }
.catalog-tools {
  position: sticky; top: 68px; z-index: 30; max-width: 1500px; display: grid; grid-template-columns: minmax(220px, 1fr) auto auto; gap: 1.1rem;
  align-items: center; margin: 3rem auto 2rem; padding: 1rem; background: rgba(244,239,230,.9); border: 1px solid rgba(23,20,17,.1); backdrop-filter: blur(16px);
}
.search-field { display: flex; align-items: center; gap: .8rem; min-height: 46px; padding: 0 1rem; background: white; border: 1px solid var(--line); }
.search-field svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.search-field input { width: 100%; border: 0; outline: 0; background: transparent; }
.category-tabs { display: flex; align-items: center; gap: .15rem; }
.category-tabs button, .filter-toggle { border: 0; padding: .7rem .85rem; background: transparent; cursor: pointer; font-size: .76rem; }
.category-tabs button.active { color: white; background: var(--ink); }
.filter-toggle { border: 1px solid var(--line); background: var(--paper); }
.filter-toggle span:not(:empty) { display: inline-grid; place-items: center; width: 1.25rem; height: 1.25rem; margin-left: .3rem; border-radius: 50%; color: white; background: var(--oxblood); font-size: .65rem; }
.catalog-layout { max-width: 1500px; display: grid; grid-template-columns: 230px 1fr; gap: 2.5rem; margin: auto; }
.filter-panel { position: sticky; top: 155px; align-self: start; max-height: calc(100vh - 175px); overflow: auto; padding: .6rem .2rem 2rem; }
.filter-panel-head { display: none; }
.filter-panel fieldset { margin: 0; padding: 1.3rem 0; border: 0; border-bottom: 1px solid var(--line); }
.filter-panel legend { margin-bottom: .7rem; font-family: var(--serif); font-size: 1rem; font-weight: 600; }
.filter-panel label { display: flex; align-items: center; gap: .55rem; margin: .45rem 0; cursor: pointer; color: var(--muted); font-size: .82rem; }
.filter-panel input { accent-color: var(--oxblood); }
.filter-panel input:checked + span { color: var(--ink); font-weight: 700; }
.reset-button { width: 100%; margin-top: 1rem; padding: .75rem; border: 1px solid var(--line); background: transparent; cursor: pointer; font-size: .76rem; }
.results-line { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; color: var(--muted); font-size: .78rem; }
.results-line p { margin: 0; }
.results-line strong { color: var(--ink); font-family: var(--serif); font-size: 1.35rem; }
.results-line select { margin-left: .45rem; border: 0; background: transparent; outline: 0; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.product-card { position: relative; min-width: 0; padding-bottom: 1.1rem; background: var(--paper); transition: transform .3s, box-shadow .3s; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-view { position: relative; width: 100%; padding: 0; border: 0; background: white; cursor: zoom-in; overflow: hidden; }
.product-view img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .65s cubic-bezier(.2,.7,.2,1); }
.product-card:hover .product-view img { transform: scale(1.045); }
.source-badge { position: absolute; z-index: 2; top: .75rem; left: .75rem; padding: .3rem .5rem; color: white; background: rgba(23,20,17,.78); font-size: .58rem; letter-spacing: .08em; }
.source-badge.concept { background: var(--oxblood); }
.product-info { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1rem 1rem .2rem; }
.product-meta { margin: 0; color: var(--oxblood); font-size: .6rem; font-weight: 700; letter-spacing: .1em; }
.product-info h3 { margin: .28rem 0 0; font-family: var(--serif); font-size: 1.08rem; font-weight: 600; }
.card-select { flex: 0 0 auto; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; font-size: 1.3rem; transition: background .2s, color .2s; }
.card-select.selected { color: white; background: var(--oxblood); border-color: var(--oxblood); }
.product-spec { min-height: 1.4em; margin: .35rem 1rem 0; color: var(--muted); font-size: .7rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.empty-state { padding: 6rem 1rem; text-align: center; }
.empty-state strong { font-family: var(--serif); font-size: 1.6rem; }
.empty-state p { color: var(--muted); }
.load-more { display: block; min-width: 260px; margin: 2.5rem auto 0; padding: .9rem 1.4rem; border: 1px solid var(--ink); background: transparent; cursor: pointer; }

.pricing { display: grid; grid-template-columns: .8fr 1.2fr; gap: 7vw; align-items: center; color: white; background: var(--ink); }
.pricing-copy > p { color: rgba(255,255,255,.55); }
.price-disclaimer { display: inline-block; margin-top: 1.6rem; padding: .45rem .7rem; border: 1px solid rgba(255,255,255,.18); font-size: .65rem; letter-spacing: .1em; }
.price-scale { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.price-item { min-height: 170px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.15rem; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.price-item span { color: var(--gold-pale); font-family: var(--serif); font-size: 1.7rem; }
.price-item small { color: rgba(255,255,255,.45); }
.price-item strong { font-family: var(--serif); font-size: 1.25rem; font-weight: 500; }

.guide { background: var(--paper); }
.guide-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin: 4rem 0 0; padding: 0; list-style: none; background: var(--line); border: 1px solid var(--line); }
.guide-steps li { min-height: 270px; padding: 2rem; background: var(--paper); }
.guide-steps span { color: var(--oxblood); font-size: .7rem; letter-spacing: .15em; }
.guide-steps strong { display: block; margin-top: 4rem; font-family: var(--serif); font-size: 1.4rem; }
.guide-steps p { color: var(--muted); font-size: .85rem; }
.final-cta { padding: 110px 6vw; text-align: center; color: white; background: var(--oxblood); }
.final-cta .eyebrow { color: var(--gold-pale); }
.final-cta h2 { font-size: clamp(3rem, 6vw, 7rem); }
.final-cta .button { margin-top: 2.5rem; }
footer { display: grid; grid-template-columns: auto 1fr auto; gap: 3rem; align-items: center; padding: 2.5rem 4vw; color: rgba(255,255,255,.55); background: #0c0a09; font-size: .7rem; }
.footer-brand { display: flex; align-items: center; gap: .7rem; color: white; }
.footer-brand span { color: var(--gold); font-size: 1.4rem; }
footer p { max-width: 700px; margin: 0; }
footer a { color: white; }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 3vw; }
.modal-backdrop, .drawer-backdrop { position: absolute; inset: 0; background: rgba(10,8,7,.72); backdrop-filter: blur(8px); }
.modal-card { position: relative; z-index: 1; width: min(1050px, 100%); max-height: 92vh; display: grid; grid-template-columns: 1.05fr .95fr; overflow: auto; background: var(--paper); box-shadow: 0 50px 140px rgba(0,0,0,.45); }
.modal-close { position: absolute; right: 1rem; top: 1rem; z-index: 3; width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.8); cursor: pointer; font-size: 1.5rem; }
.modal-image-wrap { position: relative; min-height: 500px; display: grid; place-items: center; background: white; }
.modal-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.modal-image-wrap span:not(:empty) { position: absolute; left: 1rem; bottom: 1rem; max-width: calc(100% - 2rem); padding: .45rem .65rem; color: white; background: var(--oxblood); font-size: .62rem; }
.modal-content { padding: clamp(2rem,4vw,4rem); }
.modal-content h2 { margin: 0; font-family: var(--serif); font-size: clamp(2rem,3.5vw,3.8rem); font-weight: 500; line-height: 1.1; }
.modal-description { color: var(--muted); }
.spec-list { display: grid; grid-template-columns: 1fr 1fr; margin: 2rem 0; border-top: 1px solid var(--line); }
.spec-list div { padding: .85rem 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: var(--muted); font-size: .65rem; }
.spec-list dd { margin: .25rem 0 0; font-family: var(--serif); font-size: 1rem; }
.modal-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.modal-tags span { padding: .35rem .55rem; background: #eae1d5; font-size: .65rem; }
.modal-note { margin: 1.5rem 0; color: var(--muted); font-size: .72rem; }
.modal-select { width: 100%; }

.selection-drawer { position: fixed; inset: 0; z-index: 130; pointer-events: none; }
.selection-drawer.open { pointer-events: auto; }
.drawer-backdrop { opacity: 0; transition: opacity .35s; }
.selection-drawer.open .drawer-backdrop { opacity: 1; }
.drawer-panel {
  position: absolute; top: 0; right: 0; width: min(560px,100%); height: 100%; overflow-y: auto;
  padding: 2rem; background: var(--paper); transform: translateX(100%); transition: transform .42s cubic-bezier(.2,.8,.2,1);
}
.selection-drawer.open .drawer-panel { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: flex-start; }
.drawer-head h2 { margin: 0; font-family: var(--serif); font-size: 2.6rem; font-weight: 500; }
.drawer-head button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; font-size: 1.5rem; }
.drawer-intro { color: var(--muted); font-size: .8rem; }
.selection-list { display: grid; gap: .7rem; margin-top: 1.5rem; }
.selection-item { display: grid; grid-template-columns: 82px 1fr auto; gap: 1rem; align-items: center; padding: .65rem; border: 1px solid var(--line); }
.selection-item img { width: 82px; aspect-ratio: 1; object-fit: cover; background: white; }
.selection-item strong { display: block; font-family: var(--serif); }
.selection-item small { color: var(--muted); }
.selection-item button { border: 0; background: transparent; cursor: pointer; font-size: 1.2rem; }
.selection-empty { padding: 4rem 1rem; text-align: center; border: 1px dashed var(--line); }
.selection-empty strong { font-family: var(--serif); font-size: 1.3rem; }
.selection-empty p { color: var(--muted); font-size: .8rem; }
.brief-fields { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.brief-fields label { display: grid; gap: .35rem; color: var(--muted); font-size: .7rem; }
.brief-fields label.full { grid-column: 1/-1; }
.brief-fields select, .brief-fields textarea { width: 100%; padding: .75rem; border: 1px solid var(--line); background: white; outline: none; }
.drawer-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-top: 1rem; }
.text-button { grid-column: 1/-1; border: 0; background: transparent; cursor: pointer; color: var(--muted); font-size: .7rem; }
.copy-status { min-height: 1.5rem; margin: .5rem 0 0; color: var(--oxblood); text-align: center; font-size: .72rem; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }.delay-2 { transition-delay: .2s; }.delay-3 { transition-delay: .3s; }

@media (max-width: 1180px) {
  .topnav { display: none; }
  .topbar { grid-template-columns: 1fr auto; }
  .hero { grid-template-columns: 1fr 1fr; }
  .hero-copy { padding-left: 5vw; }
  .portrait-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .catalog-tools { grid-template-columns: 1fr auto; }
  .category-tabs { grid-column: 1/-1; overflow-x: auto; }
}

@media (max-width: 820px) {
  .topbar { height: 68px; padding: 0 1rem; }
  .brand-text small { display: none; }
  .selection-button { padding-left: .8rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-bottom: 60px; }
  .hero::before { display: none; }
  .hero-copy { padding: 125px 1.25rem 40px; }
  .hero h1 { font-size: clamp(3.3rem, 14vw, 5rem); }
  .hero-lead { font-size: .92rem; }
  .hero-metrics { gap: 1rem; justify-content: space-between; }
  .hero-metrics div { padding-left: .7rem; }
  .hero-visual { padding: 30px 1.3rem; }
  .hero-product { width: 84%; }
  .hero-orbit { width: 86vw; }
  .hero-vertical { right: .5rem; }
  .section { padding: 85px 1.25rem; }
  .portrait-grid { grid-template-columns: 1fr; margin-top: 2.5rem; }
  .portrait-card { min-height: 230px; }
  .catalog-section { padding: 85px .8rem; }
  .catalog-header { align-items: flex-start; flex-direction: column; padding: 0 .45rem; }
  .catalog-tools { top: 67px; grid-template-columns: 1fr auto; gap: .5rem; margin-top: 2rem; padding: .6rem; }
  .category-tabs { padding-bottom: .2rem; }
  .category-tabs button { white-space: nowrap; }
  .catalog-layout { display: block; }
  .filter-panel {
    position: fixed; inset: 0 0 0 auto; z-index: 100; width: min(390px, 92vw); max-height: none;
    padding: 1.25rem; background: var(--paper); transform: translateX(105%); transition: transform .35s; box-shadow: -20px 0 70px rgba(0,0,0,.2);
  }
  .filter-panel.open { transform: translateX(0); }
  .filter-panel-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: .8rem; border-bottom: 1px solid var(--line); }
  .filter-panel-head button { width: 40px; height: 40px; border: 0; background: transparent; font-size: 1.5rem; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: .55rem; }
  .product-info { padding: .75rem .7rem .1rem; }
  .product-spec { margin-left: .7rem; margin-right: .7rem; }
  .card-select { width: 32px; height: 32px; }
  .pricing { grid-template-columns: 1fr; gap: 3rem; }
  .price-scale { grid-template-columns: 1fr 1fr; }
  .guide-steps { grid-template-columns: 1fr; }
  .guide-steps li { min-height: 210px; }
  .guide-steps strong { margin-top: 2rem; }
  footer { grid-template-columns: 1fr; gap: 1rem; }
  .modal { padding: 0; }
  .modal-card { width: 100%; height: 100%; max-height: none; grid-template-columns: 1fr; }
  .modal-image-wrap { min-height: auto; }
  .modal-image-wrap img { aspect-ratio: 1; }
  .drawer-panel { padding: 1.25rem; }
}

@media (max-width: 460px) {
  .brand-text strong { font-size: .92rem; }
  .selection-button { font-size: 0; }
  .selection-button::before { content: "选款"; font-size: .72rem; }
  .selection-button span { font-size: .68rem; }
  .hero-actions { display: grid; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .product-info h3 { font-size: .95rem; }
  .product-meta { font-size: .54rem; }
  .brief-fields { grid-template-columns: 1fr; }
  .brief-fields label.full { grid-column: 1; }
  .drawer-actions { grid-template-columns: 1fr; }
  .text-button { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}