/* ============================================================
   箱包独立站 · 前台样式
   配色全部来自 CSS 变量，由后台「网站配置 → 配色」覆盖
   ============================================================ */
:root {
  --bg: #f5f3ee;
  --surface: #ffffff;
  --text: #161616;
  --muted: #6f6c66;
  --accent: #1f3b33;
  --line: #e2ded5;
  --img-bg: #ffffff;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --pad: clamp(20px, 4vw, 56px);
  --maxw: 1440px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.6 var(--font); -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
p { margin: 0; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.section { padding: clamp(80px, 12vw, 160px) 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(36px, 5.2vw, 72px); }
.section-head p { max-width: 380px; color: var(--muted); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 28px; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--bg); font-size: 15px; font-weight: 500; cursor: pointer;
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--text); }
.btn-ghost:hover { background: var(--text); color: var(--bg); }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------------------------------------------------------- 顶部 */
.announce {
  background: var(--accent); color: var(--bg); text-align: center;
  font-size: 12.5px; letter-spacing: .04em; padding: 9px var(--pad);
}
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px;
  padding: 0 var(--pad); background: transparent;
  transition: background .4s, box-shadow .4s, transform .5s var(--ease);
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header.hidden { transform: translateY(-100%); }
.logo { font-weight: 600; letter-spacing: .22em; font-size: 17px; }
.logo { display:inline-flex; align-items:center; gap:12px; }
.logo img { height: 44px; width: auto; display:block; }
.logo-text { font-weight:600; letter-spacing:.22em; font-size:17px; line-height:1; }
@media (max-width:520px){ .logo-text{display:none} }
.nav { display: flex; gap: 36px; font-size: 14.5px; }
.nav a { position: relative; padding: 4px 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta { justify-self: end; display: flex; gap: 12px; align-items: center; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 1.5px; background: var(--text); margin: 5px 0; transition: transform .3s; }

.lang-select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  font: inherit; font-size: 13px; letter-spacing: .02em; line-height: 1.2; color: var(--text);
  background-color: transparent; border: 1px solid var(--line); border-radius: 2px;
  padding: 8px 26px 8px 30px; cursor: pointer; max-width: 140px; text-overflow: ellipsis;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23161616' stroke-width='1.6' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3c3 3 3 15 0 18M12 3c-3 3-3 15 0 18'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none' stroke='%23161616' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat; background-position: 10px 50%, calc(100% - 10px) 50%; background-size: 14px 14px, 10px 6px;
  transition: border-color .25s, background-color .25s;
}
.lang-select:hover { border-color: #b9b4a8; background-color: rgba(0,0,0,.025); }
.lang-select:focus-visible { border-color: var(--text); outline: none; box-shadow: 0 0 0 3px rgba(31,59,51,.12); }
.lang-select { text-align: left; white-space: nowrap; }
.lang-dd { position: relative; }
.lang-list { position: absolute; top: calc(100% + 6px); right: 0; min-width: 100%; width: max-content; margin: 0; padding: 4px 0; list-style: none; background: #fff; border: 1px solid var(--line); border-radius: 2px; box-shadow: 0 6px 20px rgba(0,0,0,.08); z-index: 60; }
.lang-list[hidden] { display: none; }
.lang-list li { position: relative; padding: 8px 32px 8px 14px; font-size: 13px; letter-spacing: .02em; color: var(--text); cursor: pointer; white-space: nowrap; }
.lang-list li:hover, .lang-list li.is-active { background: #f4f3f0; }
.lang-list li[aria-selected="true"]::after { content: ""; position: absolute; right: 12px; top: 50%; width: 9px; height: 5px; margin-top: -4px; border-left: 1.3px solid var(--text); border-bottom: 1.3px solid var(--text); transform: rotate(-45deg); }
.lang-list:focus { outline: none; }

/* ---------------------------------------------------------- 首屏 */
.hero {
  position: relative; min-height: calc(100svh - var(--header-h) - 36px);
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: clamp(24px, 4vw, 72px);
  padding: 24px var(--pad) 80px; max-width: var(--maxw); margin: 0 auto;
}
.hero-copy { will-change: transform, opacity; }
.hero-title { font-size: clamp(48px, 7.4vw, 112px); margin: 20px 0 28px; }
.hero-title .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.hero-title .w > span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--ease); }
.is-ready .hero-title .w > span { transform: none; }
.hero-sub { max-width: 480px; color: var(--muted); font-size: 17px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-copy .fade { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.is-ready .hero-copy .fade { opacity: 1; transform: none; }
.hero-visual { position: relative; aspect-ratio: 4 / 5; max-height: 78svh; justify-self: end; width: 100%; }
.hero-frame {
  position: absolute; inset: 0; border-radius: 28px; overflow: hidden; background: var(--img-bg);
  clip-path: inset(12% 12% 12% 12% round 28px); transition: clip-path 1.4s var(--ease);
  will-change: transform;
}
.is-ready .hero-frame { clip-path: inset(0 0 0 0 round 28px); }
.hero-frame > img { width: 100%; height: 100%; object-fit: cover; }
.hero-frame .layer { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity .9s var(--ease); }
.hero-frame .layer.active { opacity: 1; }
.hero-frame .layer img { width: 100%; height: 100%; object-fit: contain; }
.hero-frame .layer .bag-art { width: 78%; height: 78%; }
.hero-chips {
  position: absolute; left: 24px; bottom: 24px; display: flex; gap: 8px; padding: 10px 12px;
  background: color-mix(in srgb, var(--surface) 80%, transparent); backdrop-filter: blur(10px);
  border-radius: 999px; z-index: 2;
}
.hero-chips i { width: 16px; height: 16px; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); transition: transform .3s; }
.hero-chips i.on { transform: scale(1.3); }
.scroll-cue {
  position: absolute; left: var(--pad); bottom: 24px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); display: flex; align-items: center; gap: 12px;
}
.scroll-cue::after { content: ""; width: 48px; height: 1px; background: currentColor; transform-origin: left; animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { 0% { transform: scaleX(0); } 50% { transform: scaleX(1); transform-origin: left; } 51% { transform-origin: right; } 100% { transform: scaleX(0); transform-origin: right; } }

/* ---------------------------------------------------------- 跑马灯 */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 22px 0; }
.marquee-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee-track span { font-size: clamp(28px, 4vw, 52px); letter-spacing: -0.02em; padding: 0 28px; white-space: nowrap; }
.marquee-track span:nth-child(even) { font-family: var(--serif); font-style: italic; color: var(--muted); }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------------------------------------------------- 类目 */
.cat-grid { display: grid; grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: calc((100% - 5 * 14px) / 6); gap: 14px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x proximity; padding: 8px 0 16px; scrollbar-width: thin; scrollbar-color: #cfcac0 transparent; }
.cat-grid > .cat { scroll-snap-align: start; min-width: 0; }
.cat-grid::-webkit-scrollbar { height: 6px; }
.cat-grid::-webkit-scrollbar-track { background: transparent; }
.cat-grid::-webkit-scrollbar-thumb { background: #cfcac0; border-radius: 3px; }
.cat {
  position: relative; background: var(--surface); border-radius: 20px; padding: 20px 20px 22px; cursor: pointer;
  border: 0; text-align: left; display: flex; flex-direction: column; gap: 8px; overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.cat:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -28px rgba(0,0,0,.25); }
.cat .bag-art { width: 100%; aspect-ratio: 1; transition: transform .7s var(--ease); }
.cat:hover .bag-art { transform: scale(1.06) rotate(-2deg); }
.cat h3 { font-size: 19px; letter-spacing: -0.01em; }
.cat p { font-size: 13px; color: var(--muted); line-height: 1.45; }
.cat .count { position: absolute; top: 18px; right: 20px; font-size: 12px; color: var(--muted); }

/* ---------------------------------------------------------- 产品 */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.chip {
  height: 38px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line); background: transparent;
  cursor: pointer; font-size: 14px; transition: background .3s, color .3s, border-color .3s;
}
.chip:hover { border-color: var(--text); }
.chip[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px 20px; }

.card { display: flex; flex-direction: column; }
.card-media {
  position: relative; display: block; aspect-ratio: 1; background: var(--img-bg); border-radius: 18px; overflow: hidden;
}
.card-media .layer {
  position: absolute; inset: 0; display: grid; place-items: center; opacity: 0;
  transition: opacity .45s var(--ease), transform .9s var(--ease);
}
.card-media .layer.active { opacity: 1; }
.card-media .layer img { width: 100%; height: 100%; object-fit: contain; }
.card-media .layer .bag-art { width: 82%; height: 82%; }
.card:hover .card-media .layer.active { transform: scale(1.04); }
.badge {
  position: absolute; top: 14px; left: 14px; z-index: 2; font-size: 12px; font-weight: 500;
  padding: 5px 11px; border-radius: 6px; background: var(--bg); color: var(--text);
}
.card-body { padding: 16px 2px 0; }
.card-title { font-size: 16px; font-weight: 500; letter-spacing: -0.005em; line-height: 1.35; }
.card-title span { color: var(--muted); font-weight: 400; }
.card-meta { font-size: 14px; color: var(--muted); margin-top: 4px; }

/* 颜色选择圆点（参考图下方那排） */
.swatches { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.swatch {
  --ring: transparent;
  width: 22px; height: 22px; border-radius: 50%; padding: 0; border: 0; cursor: pointer; background: var(--c);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--ring);
  transition: box-shadow .25s, transform .25s var(--ease);
}
.swatch.is-light { background: var(--c); box-shadow: inset 0 0 0 1px rgba(0,0,0,.14), 0 0 0 2px var(--bg), 0 0 0 3.5px var(--ring); }
.swatch:hover { transform: scale(1.12); }
.swatch[aria-checked="true"] { --ring: var(--text); }
.swatch:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.swatch-name { font-size: 13px; color: var(--muted); margin-top: 10px; min-height: 1.2em; }
.swatches.lg { gap: 14px; }
.swatches.lg .swatch { width: 30px; height: 30px; }

/* ---------------------------------------------------------- 滚动高亮文案 */
.statement { position: relative; height: 220vh; }
.statement-inner { position: sticky; top: 0; height: 100vh; display: grid; place-items: center; padding: 0 var(--pad); }
.statement-text { max-width: 1100px; font-size: clamp(30px, 4.4vw, 64px); line-height: 1.15; letter-spacing: -0.025em; font-weight: 500; }
.statement-text span { color: var(--text); opacity: .14; transition: opacity .35s; }
.statement-text span.lit { opacity: 1; }

/* ---------------------------------------------------------- 定制流程（横向滚动） */
.process { position: relative; background: var(--accent); color: var(--bg); }
.process-pin { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.process-head { padding: 0 var(--pad); margin-bottom: clamp(32px, 6vh, 64px); display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.process-head h2 { font-size: clamp(36px, 5.2vw, 72px); }
.process-head .eyebrow { color: color-mix(in srgb, var(--bg) 60%, transparent); margin-bottom: 16px; }
.process-track { display: flex; gap: 20px; padding: 0 var(--pad); width: max-content; will-change: transform; }
.step {
  width: clamp(280px, 30vw, 420px); min-height: 340px; border-radius: 22px; padding: 32px;
  border: 1px solid color-mix(in srgb, var(--bg) 22%, transparent);
  display: flex; flex-direction: column; justify-content: space-between;
}
.step .n { font-family: var(--serif); font-style: italic; font-size: 88px; line-height: 1; opacity: .9; }
.step h3 { font-size: 26px; margin-bottom: 12px; }
.step p { color: color-mix(in srgb, var(--bg) 72%, transparent); font-size: 15px; }
.process-progress { margin: 48px var(--pad) 0; height: 1px; background: color-mix(in srgb, var(--bg) 22%, transparent); }
.process-progress span { display: block; height: 100%; background: var(--bg); transform-origin: left; transform: scaleX(0); }
.process.static .process-pin { position: static; height: auto; padding: 96px 0; }
.process.static .process-track { flex-direction: column; width: auto; }
.process.static .step { width: auto; min-height: 0; gap: 24px; }
.process.static .process-progress { display: none; }

/* ---------------------------------------------------------- 数据 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.stat { padding: 40px 24px 0 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }
.stat .num { font-size: clamp(48px, 6vw, 88px); letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat .label { color: var(--muted); margin-top: 12px; font-size: 14px; }

/* ---------------------------------------------------------- 关于 */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.about-media { aspect-ratio: 4 / 5; border-radius: 24px; overflow: hidden; background: var(--surface); position: relative; }
.about-media img { width: 100%; height: 115%; object-fit: cover; will-change: transform; }
.about-media .bag-art { position: absolute; inset: 15%; width: 70%; height: 70%; }
.about h2 { font-size: clamp(36px, 4.6vw, 64px); margin-bottom: 28px; }
.about p { color: var(--muted); font-size: 17px; max-width: 520px; }

/* ---------------------------------------------------------- 询盘表单 */
.inquiry { background: var(--surface); border-radius: 32px; padding: clamp(32px, 6vw, 88px); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 96px); }
.inquiry h2 { font-size: clamp(36px, 4.6vw, 64px); margin-bottom: 20px; }
.inquiry-copy p { color: var(--muted); max-width: 400px; }
.inquiry-contact { margin-top: 40px; display: grid; gap: 6px; font-size: 15px; }
.inquiry-contact a { border-bottom: 1px solid var(--line); width: fit-content; }
.inq-form { display: grid; gap: 18px; }
.inq-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; border: 0; border-bottom: 1px solid var(--line); background: transparent; padding: 10px 0;
  font-size: 16px; color: var(--text); border-radius: 0; outline: none; transition: border-color .3s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--text); }
.field.invalid input, .field.invalid textarea { border-color: #b3261e; }
.seg { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--bg); width: fit-content; flex-wrap: wrap; }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 9px 18px; border-radius: 999px; font-size: 14px; transition: background .3s, color .3s; }
.seg input:checked + span { background: var(--text); color: var(--bg); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: 14px; min-height: 1.4em; }
.form-note.ok { color: var(--accent); }
.form-note.err { color: #b3261e; }

/* ---------------------------------------------------------- 底部 */
.site-footer { padding: 96px 0 40px; }
.footer-big { font-size: clamp(40px, 12.5vw, 230px); overflow: hidden; white-space: nowrap; font-weight: 600; letter-spacing: -0.05em; line-height: .85; margin-top: 80px; color: var(--text); opacity: .95; }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; font-size: 14px; }
.footer-cols h4 { margin: 0 0 14px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.footer-cols a, .footer-cols p { display: block; margin-bottom: 8px; }
.footer-cols a:hover { text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* ---------------------------------------------------------- 产品详情页 */
.pd { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(32px, 5vw, 80px); padding-top: 24px; padding-bottom: 80px; }
.pd-media { position: sticky; top: calc(var(--header-h) + 16px); align-self: start; }
.pd-main { position: relative; aspect-ratio: 1; background: var(--img-bg); border-radius: 24px; overflow: hidden; }
.pd-main .layer { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity .5s var(--ease); }
.pd-main .layer.active { opacity: 1; }
.pd-main .layer img { width: 100%; height: 100%; object-fit: contain; }
.pd-main .layer .bag-art { width: 78%; height: 78%; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; }
.pd-thumbs button { width: 76px; height: 76px; flex: none; border-radius: 12px; border: 1px solid transparent; background: var(--img-bg); padding: 4px; cursor: pointer; }
.pd-thumbs button[aria-current="true"] { border-color: var(--text); }
.pd-thumbs img, .pd-thumbs .bag-art { width: 100%; height: 100%; object-fit: contain; }
.pd-info h1 { font-size: clamp(36px, 4vw, 56px); margin: 14px 0 6px; }
.pd-sub { color: var(--muted); font-size: 18px; }
.pd-meta { display: flex; gap: 20px; margin: 24px 0; padding: 18px 0; border-block: 1px solid var(--line); font-size: 15px; flex-wrap: wrap; }
.pd-meta b { font-weight: 500; }
.pd-colour-label { font-size: 14px; color: var(--muted); }
.pd-colour-label b { color: var(--text); font-weight: 500; }
.pd-desc { color: var(--muted); margin: 28px 0; font-size: 16px; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.specs { margin: 40px 0 0; display: grid; grid-template-columns: auto 1fr; border-top: 1px solid var(--line); font-size: 15px; }
.specs dt, .specs dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--muted); padding-right: 32px; }
.crumbs { font-size: 13px; color: var(--muted); }
.crumbs a:hover { color: var(--text); }

/* ---------------------------------------------------------- 滚动入场 */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 1s var(--ease) var(--d, 0ms), transform 1s var(--ease) var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------- 响应式 */
@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-auto-columns: calc((100% - 2 * 14px) / 3); }
}
@media (max-width: 860px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; gap: 0; background: var(--bg);
    padding: 8px var(--pad) 24px; border-bottom: 1px solid var(--line); font-size: 22px;
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s var(--ease);
  }
  .nav a { padding: 12px 0; }
  .nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .header-cta .btn { display: none; }
  .header-cta { gap: 6px; }
  .lang-list li { font-size: 12.5px; }
  .lang-select { padding: 6px 22px 6px 26px; font-size: 12.5px; max-width: 112px; background-position: 8px 50%, calc(100% - 8px) 50%; background-size: 13px 13px, 9px 5px; }
  .menu-toggle { display: block; }
  .hero { grid-template-columns: 1fr; padding-top: 8px; }
  .hero-visual { max-height: none; aspect-ratio: 1; order: -1; }
  .scroll-cue { display: none; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 32px 12px; }
  .cat-grid { grid-auto-columns: calc((100% - 14px) / 2.15); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .about, .inquiry, .pd { grid-template-columns: 1fr; }
  .pd-media { position: static; }
  .inq-form .row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .statement { height: 160vh; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .hero-title .w > span { transform: none; }
  .statement { height: auto; }
  .statement-inner { position: static; height: auto; padding: 120px var(--pad); }
  .statement-text span { opacity: 1; }
}

/* 隐藏顶部绿色公告条（仅前台；恢复：删除本段，或用 site.css.bak-* 还原） */
.announce { display: none !important; }
/* 语言按钮：与「获取报价」(.btn-sm) 对齐：高40、圆角999、14px/500 */
.lang-select { height: 40px; box-sizing: border-box; border-radius: 999px; padding: 0 30px 0 36px; font-size: 14px; font-weight: 500; background-position: 14px 50%, calc(100% - 14px) 50%; }
.lang-list { border-radius: 12px; overflow: hidden; padding: 6px 0; }
@media (max-width: 900px) { .lang-select { height: 36px; padding: 0 24px 0 30px; font-size: 13px; background-position: 10px 50%, calc(100% - 10px) 50%; } }

/* ---- 导航靠右：logo 左，其余靠右 ---- */
.site-header { display: flex; justify-content: flex-start; gap: 24px; }
.site-header .nav { margin-left: auto; }
.header-cta { margin-left: 8px; gap: 10px; }
/* ---- 右下角固定社媒图标 ---- */
.soc-fixed { position: fixed; right: 26px; bottom: 26px; z-index: 40; display: flex; flex-direction: row; gap: 8px; max-width: calc(100vw - 32px); flex-wrap: wrap; justify-content: flex-end; }
.soc-fixed[hidden] { display: none; }
.soc-fixed a { width: 40px; height: 40px; box-sizing: border-box; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--text); box-shadow: 0 2px 8px rgba(0,0,0,.08); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.soc-fixed a:hover, .soc-fixed a:focus-visible { transform: translateY(-2px); border-color: #b9b4a8; box-shadow: 0 6px 14px rgba(0,0,0,.14); outline: none; }
.soc-fixed svg { width: 18px; height: 18px; flex: none; }
@media (max-width: 900px) { .soc-fixed { right: 26px; bottom: 26px; gap: 6px; } .soc-fixed a { width: 36px; height: 36px; } .soc-fixed svg { width: 16px; height: 16px; } }
@media (max-width: 860px) {
  .site-header { gap: 8px; }
  .site-header .nav { margin-left: 0; }
  .header-cta { margin-left: auto; gap: 6px; }
}

.mail-toast { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(0,0,0,.18); opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.mail-toast.is-on { opacity: 1; }
.mail-toast__card { max-width: min(420px, 100%); box-sizing: border-box; padding: 18px 22px; background: #fff; color: var(--text); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 28px rgba(0,0,0,.14); font-size: 15px; line-height: 1.5; text-align: center; overflow-wrap: anywhere; }

/* 隐藏页脚巨大品牌字标；恢复：删除此行 */
.footer-big{display:none !important;}

/* 隐藏询盘表单顶部订单类型切换；恢复：删除此行及 site.js 中 seg 的 hidden/style */
.inq-form .seg{display:none !important;}

/* 隐藏页脚四栏与询盘区左侧联系信息；恢复：删除这两行 */
.site-footer{padding-top:24px !important;}
.site-footer .footer-bottom{margin-top:0;}

/* 联系信息只保留地址：页脚仅显示联系栏，询盘区左侧恢复显示（仅地址） */
.site-footer .footer-cols{grid-template-columns:1fr;margin-bottom:24px;}
.site-footer .footer-cols > div:not(:last-child){display:none;}
.site-footer .footer-bottom{margin-top:0;}

/* 类目卡片实拍图 */
.cat .cat-img { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: center; border-radius: 12px; display: block; transition: transform .7s var(--ease); }
.cat:hover .cat-img { transform: scale(1.04); }

/* 社媒图标：全彩 app 风格 */
.soc-fixed a.soc-c { width: 31px; height: 31px; border: 0; background: transparent; box-shadow: none; border-radius: 50%; filter: drop-shadow(0 2px 5px rgba(0,0,0,.28)); }
.soc-fixed a.soc-c svg { width: 100%; height: 100%; }
.soc-fixed a.soc-c:hover, .soc-fixed a.soc-c:focus-visible { transform: translateY(-2px) scale(1.08); box-shadow: none; border-color: transparent; filter: drop-shadow(0 5px 9px rgba(0,0,0,.34)) brightness(1.06); }
@media (max-width: 900px) { .soc-fixed a.soc-c { width: 29px; height: 29px; } .soc-fixed a.soc-c svg { width: 100%; height: 100%; } }

.soc-fixed { gap: 22px; }
@media (max-width: 900px) { .soc-fixed { gap: 20px; } }

/* 社媒图标：默认只显示第一个，悬停/聚焦向上展开；触屏默认全部展开 */
.soc-fixed { --s: 31px; flex-direction: column-reverse; flex-wrap: nowrap; align-items: flex-end; justify-content: flex-start; }
@media (max-width: 900px) { .soc-fixed { --s: 29px; } }
.soc-fixed a { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, translate .2s ease, opacity .2s ease, height .2s ease, margin-bottom .2s ease; }
.soc-fixed a:not(:first-child) { height: 0; margin-bottom: -22px; opacity: 0; translate: 0 10px; overflow: hidden; pointer-events: none; visibility: hidden; transition-property: transform, box-shadow, border-color, translate, opacity, height, margin-bottom, visibility; }
.soc-fixed:hover a:not(:first-child), .soc-fixed:focus-within a:not(:first-child) { height: var(--s); margin-bottom: 0; opacity: 1; translate: 0 0; overflow: visible; pointer-events: auto; visibility: visible; }
@media (hover: none) { .soc-fixed a:not(:first-child) { height: var(--s); margin-bottom: 0; opacity: 1; translate: 0 0; overflow: visible; pointer-events: auto; visibility: visible; } }
@media (max-width: 900px) { .soc-fixed { --s: 29px; } .soc-fixed a.soc-c { width: var(--s); height: var(--s); } .soc-fixed a.soc-c:not(:first-child) { height: 0; } .soc-fixed:hover a.soc-c:not(:first-child), .soc-fixed:focus-within a.soc-c:not(:first-child) { height: var(--s); } }
@media (max-width: 900px) and (hover: none) { .soc-fixed a.soc-c:not(:first-child) { height: var(--s); } }

/* 社媒图标：依次弹出（悬停）/ 快速收回（移开） */
.soc-fixed a:not(:first-child) { scale: .6; transition: opacity .12s ease, translate .12s ease, scale .12s ease, height .12s ease, margin-bottom .12s ease, visibility 0s linear .12s, transform .18s ease, box-shadow .18s ease, border-color .18s ease; transition-delay: 0s; }
.soc-fixed:hover a:not(:first-child), .soc-fixed:focus-within a:not(:first-child) { scale: 1; transition: opacity .22s ease, translate .22s cubic-bezier(.34,1.56,.64,1), scale .22s cubic-bezier(.34,1.56,.64,1), height .22s ease, margin-bottom .22s ease, visibility 0s linear 0s, transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.soc-fixed:hover a:nth-child(2), .soc-fixed:focus-within a:nth-child(2) { transition-delay: 0ms, 0ms, 0ms, 0ms, 0ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(3), .soc-fixed:focus-within a:nth-child(3) { transition-delay: 60ms, 60ms, 60ms, 60ms, 60ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(4), .soc-fixed:focus-within a:nth-child(4) { transition-delay: 120ms, 120ms, 120ms, 120ms, 120ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(5), .soc-fixed:focus-within a:nth-child(5) { transition-delay: 180ms, 180ms, 180ms, 180ms, 180ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(6), .soc-fixed:focus-within a:nth-child(6) { transition-delay: 240ms, 240ms, 240ms, 240ms, 240ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(7), .soc-fixed:focus-within a:nth-child(7) { transition-delay: 300ms, 300ms, 300ms, 300ms, 300ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(8), .soc-fixed:focus-within a:nth-child(8) { transition-delay: 360ms, 360ms, 360ms, 360ms, 360ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(9), .soc-fixed:focus-within a:nth-child(9) { transition-delay: 420ms, 420ms, 420ms, 420ms, 420ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(10), .soc-fixed:focus-within a:nth-child(10) { transition-delay: 480ms, 480ms, 480ms, 480ms, 480ms, 0s, 0s, 0s, 0s; }
.soc-fixed:hover a:nth-child(11), .soc-fixed:focus-within a:nth-child(11) { transition-delay: 540ms, 540ms, 540ms, 540ms, 540ms, 0s, 0s, 0s, 0s; }
@media (hover: none) { .soc-fixed a:not(:first-child) { scale: 1; transition-delay: 0s; } }

/* 收起：从最上面的开始依次收回（与展开对称） */
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child) { transition: opacity .22s ease, translate .22s ease-in, scale .22s ease-in, height .22s ease, margin-bottom .22s ease, visibility 0s linear .22s, transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(1) { transition-delay: 0ms, 0ms, 0ms, 0ms, 0ms, 220ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(2) { transition-delay: 60ms, 60ms, 60ms, 60ms, 60ms, 280ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(3) { transition-delay: 120ms, 120ms, 120ms, 120ms, 120ms, 340ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(4) { transition-delay: 180ms, 180ms, 180ms, 180ms, 180ms, 400ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(5) { transition-delay: 240ms, 240ms, 240ms, 240ms, 240ms, 460ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(6) { transition-delay: 300ms, 300ms, 300ms, 300ms, 300ms, 520ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(7) { transition-delay: 360ms, 360ms, 360ms, 360ms, 360ms, 580ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(8) { transition-delay: 420ms, 420ms, 420ms, 420ms, 420ms, 640ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(9) { transition-delay: 480ms, 480ms, 480ms, 480ms, 480ms, 700ms, 0s, 0s, 0s; }
.soc-fixed:not(:hover):not(:focus-within) a:not(:first-child):nth-last-child(10) { transition-delay: 540ms, 540ms, 540ms, 540ms, 540ms, 760ms, 0s, 0s, 0s; }

@media (max-width: 900px) { .soc-fixed a:not(:first-child) { margin-bottom: -20px; } }

/* ---- SEO landing pages (2026-10-20) ---- */
.lp-hero { padding-top: clamp(40px, 6vw, 80px); padding-bottom: 24px; max-width: 980px; }
.lp-hero h1 { font-size: clamp(36px, 5.2vw, 68px); line-height: 1.05; margin: 18px 0 24px; }
.lp-hero p { font-size: 17px; line-height: 1.65; color: var(--muted); margin-bottom: 16px; max-width: 760px; }
.lp-hero .btn { margin: 8px 8px 0 0; }
.lp-section { padding-top: clamp(32px, 5vw, 64px); }
.lp-section h2 { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 20px; }
.lp-section h3 { font-size: 20px; margin: 24px 0 10px; }
.lp-section p, .lp-section li { line-height: 1.65; color: var(--muted); }
.lp-section ul, .lp-links { padding-left: 20px; list-style: disc; }
.lp-section li { margin: 6px 0; }
.lp-section p a, .lp-section li a, .lp-hero p a:not(.btn), .pd-more a { text-decoration: underline; text-underline-offset: 3px; }
.lp-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 64px); align-items: start; }
.lp-media img { width: 100%; border-radius: 20px; }
.lp-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.lp-steps .lp-step .n { font-size: 13px; color: var(--muted); }
.lp-steps .lp-step h3 { margin: 6px 0; }
.lp-contact { max-width: 560px; }
.lp-404 { padding-bottom: 80px; }
.pd-more { margin-top: 28px; color: var(--muted); font-size: 15px; }
@media (max-width: 760px) { .lp-cols { grid-template-columns: 1fr; } }