/* HESIN 外贸站设计系统：钢灰 + 破碎黄，四语（含阿拉伯语 RTL）共用一套逻辑属性 */
:root {
  --ink: #0d1115;
  --steel: #1b232b;
  --steel-2: #2a343d;
  --slate: #55636f;
  --line: #d9dfe5;
  --line-2: #eef1f4;
  --paper: #ffffff;
  --paper-2: #f4f6f8;
  --hazard: #f5b301;
  --hazard-dk: #8f6800;
  --rust: #c2410c;
  --wrap: min(1560px, 100% - 72px);
  --head-h: 74px;
  --f-display: 'Barlow Condensed', 'Oswald', 'Arial Narrow', 'Segoe UI', sans-serif;
  --f-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --sh-1: 0 1px 2px rgba(13, 17, 21, .06), 0 8px 24px rgba(13, 17, 21, .07);
  --sh-2: 0 2px 6px rgba(13, 17, 21, .08), 0 20px 48px rgba(13, 17, 21, .14);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: 16px; line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
body[data-lang="ar"] { font-family: 'Noto Naskh Arabic', 'Segoe UI', Tahoma, sans-serif; font-size: 17px; line-height: 1.85; }
body[data-lang="ar"] h1, body[data-lang="ar"] h2, body[data-lang="ar"] h3,
body[data-lang="ar"] .stat b, body[data-lang="ar"] .eyebrow { font-family: inherit; letter-spacing: 0 !important; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--hazard); outline-offset: 2px; }

h1, h2, h3, .display {
  font-family: var(--f-display); font-weight: 700; line-height: 1.06;
  letter-spacing: .005em; margin: 0; text-transform: uppercase;
}
h1 { font-size: clamp(40px, 6.2vw, 88px); }
h2 { font-size: clamp(30px, 3.6vw, 52px); }
h3 { font-size: clamp(19px, 1.6vw, 25px); line-height: 1.18; }
p { margin: 0 0 1em; }
.eyebrow {
  font-family: var(--f-body); font-weight: 700; font-size: 12px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--hazard-dk);
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 3px; background: var(--hazard); flex: none; }
.lead { font-size: clamp(17px, 1.35vw, 20px); color: var(--slate); max-width: 74ch; }
.muted { color: var(--slate); }
.num { font-variant-numeric: tabular-nums; }
/* 数字区间在 RTL 段落里会被双向算法对调，单独隔离成 LTR 运行 */
.bi { direction: ltr; unicode-bidi: isolate; }

.wrap { width: var(--wrap); margin-inline: auto; }
.section { padding-block: clamp(64px, 8vw, 122px); }
.section--tight { padding-block: clamp(44px, 5vw, 74px); }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: #fff; }
.section--ink .lead, .section--ink .muted { color: #b6c0ca; }
.section--ink .eyebrow { color: var(--hazard); }
.head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: clamp(30px, 3.4vw, 52px); }
.head-row p { margin: 0; }

/* ---------- 顶栏 ---------- */
.util {
  background: var(--ink); color: #cbd5dd; font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.util .wrap { display: flex; gap: 22px; align-items: center; justify-content: space-between; min-height: 38px; flex-wrap: wrap; }
.util a:hover { color: var(--hazard); }
.util-set { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }

.nav {
  position: sticky; top: 0; z-index: 60; background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line);
}
.nav.is-stuck { box-shadow: 0 2px 18px rgba(13, 17, 21, .10); }
.nav .wrap { display: flex; align-items: center; gap: 26px; min-height: var(--head-h); }
.brand { display: flex; align-items: center; gap: 11px; margin-inline-end: auto; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-txt { display: flex; flex-direction: column; line-height: 1; }
.brand-txt b { font-family: var(--f-display); font-size: 24px; letter-spacing: .06em; }
.brand-txt span { font-size: 10.5px; letter-spacing: .16em; color: var(--slate); text-transform: uppercase; margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 13px; font-size: 14.5px; font-weight: 600; border-radius: 3px;
  position: relative; white-space: nowrap;
}
.nav-links a::after {
  content: ""; position: absolute; inset-inline: 13px; bottom: 4px; height: 2px;
  background: var(--hazard); transform: scaleX(0); transform-origin: inline-start; transition: transform .22s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current]::after { transform: scaleX(1); }
.nav-links a[aria-current] { color: var(--ink); }
.lang { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 8px; background: none; border: 1px solid var(--line);
  border-radius: 3px; padding: 8px 12px; cursor: pointer; font-size: 13.5px; font-weight: 600;
}
.lang-btn:hover { border-color: var(--slate); }
.lang-btn svg { width: 13px; height: 13px; transition: transform .2s; }
.lang.is-open .lang-btn svg { transform: rotate(180deg); }
.lang-menu {
  position: absolute; inset-inline-end: 0; top: calc(100% + 7px); background: #fff;
  border: 1px solid var(--line); border-radius: 4px; box-shadow: var(--sh-2); padding: 6px;
  display: none; min-width: 178px; z-index: 70;
}
.lang.is-open .lang-menu { display: block; }
.lang-menu button {
  display: flex; justify-content: space-between; gap: 14px; width: 100%; text-align: start;
  background: none; border: 0; padding: 9px 11px; border-radius: 3px; cursor: pointer; font-size: 14px;
}
.lang-menu button:hover { background: var(--paper-2); }
.lang-menu button[aria-checked="true"] { color: var(--hazard-dk); font-weight: 700; }
.burger { display: none; background: none; border: 1px solid var(--line); border-radius: 3px; padding: 8px 10px; cursor: pointer; }
.burger svg { width: 20px; height: 20px; display: block; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; font-weight: 700; font-size: 14.5px; letter-spacing: .04em;
  text-transform: uppercase; border: 2px solid transparent; border-radius: 2px; cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background-color .16s ease, color .16s ease;
  min-height: 48px;
}
.btn--solid { background: var(--hazard); color: #1a1400; }
.btn--solid:hover { background: #ffc422; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(245, 179, 1, .32); }
.btn--ghost { border-color: currentColor; color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--ink); transform: translateY(-2px); }
.btn--ink { border-color: var(--ink); color: var(--ink); }
.btn--ink:hover { background: var(--ink); color: #fff; }
.btn--sm { padding: 11px 18px; font-size: 13px; min-height: 42px; }
.btn svg { width: 15px; height: 15px; }
.link-arrow {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px;
  letter-spacing: .04em; text-transform: uppercase; color: var(--hazard-dk);
}
.link-arrow svg { width: 15px; height: 15px; transition: transform .18s ease; }
.link-arrow:hover svg { transform: translateX(4px); }
[dir="rtl"] .link-arrow svg { transform: scaleX(-1); }
[dir="rtl"] .link-arrow:hover svg { transform: scaleX(-1) translateX(4px); }

/* ---------- 首屏 ---------- */
.hero { position: relative; min-height: min(88vh, 860px); display: flex; align-items: flex-end; color: #fff; isolation: isolate; }
.hero-media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
/* 首屏照片的破碎锤在右侧，RTL 时标题也移到右侧，所以镜像回来让主体始终避开文字 */
[dir="rtl"] .hero-media img { transform: scaleX(-1); }
.hero-scrim { position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(9, 12, 16, .93) 0%, rgba(9, 12, 16, .74) 42%, rgba(9, 12, 16, .28) 78%, rgba(9, 12, 16, .45) 100%); }
[dir="rtl"] .hero-scrim { background: linear-gradient(260deg, rgba(9, 12, 16, .93) 0%, rgba(9, 12, 16, .74) 42%, rgba(9, 12, 16, .28) 78%, rgba(9, 12, 16, .45) 100%); }
.hero .wrap { padding-block: clamp(60px, 9vh, 120px) 0; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: #e9eef3; margin-bottom: 22px;
}
.hero-tag::before { content: ""; width: 34px; height: 2px; background: var(--hazard); flex: none; }
.hero h1 { max-width: 20ch; }
.hero h1 em { font-style: normal; color: var(--hazard); }
.hero-sub { max-width: 62ch; font-size: clamp(16px, 1.5vw, 20px); color: #d4dbe2; margin-block: 22px 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, .16);
  border-top: 1px solid rgba(255, 255, 255, .16); margin-top: clamp(44px, 6vh, 78px);
}
.stat { background: rgba(9, 12, 16, .62); backdrop-filter: blur(4px); padding: 22px 24px 26px; }
.stat b { display: block; font-family: var(--f-display); font-size: clamp(30px, 3.4vw, 46px); line-height: 1; color: #fff; }
.stat b i { font-style: normal; color: var(--hazard); }
.stat > span { display: block; margin-top: 9px; font-size: 13px; color: #b6c0ca; letter-spacing: .04em; }
.stat b > span { font: inherit; color: inherit; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: clamp(16px, 1.6vw, 26px); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-6 { grid-template-columns: repeat(6, 1fr); }

.card { background: #fff; border: 1px solid var(--line); border-radius: 3px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s ease, transform .2s ease; }
.card:hover { box-shadow: var(--sh-2); transform: translateY(-3px); }
.card-media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--paper-2); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.22, .61, .36, 1); }
.card:hover .card-media img { transform: scale(1.045); }
.card-badge { position: absolute; inset-inline-start: 12px; top: 12px; background: rgba(13, 17, 21, .82); color: #fff; font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 6px 10px; border-radius: 2px; }
.card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-body p { margin: 0; color: var(--slate); font-size: 14.5px; }
.card-foot { margin-top: auto; padding-top: 6px; }

.tile { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 3px; color: #fff; }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.22, .61, .36, 1); }
.tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9, 12, 16, .05) 30%, rgba(9, 12, 16, .88) 100%); }
.tile:hover img { transform: scale(1.05); }
.tile-txt { position: absolute; inset-inline: 20px; bottom: 18px; z-index: 2; }
.tile-txt b { display: block; font-family: var(--f-display); font-size: 21px; text-transform: uppercase; letter-spacing: .02em; }
.tile-txt span { font-size: 13px; color: #c3ccd5; }

.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature-ico { width: 46px; height: 46px; flex: none; border: 2px solid var(--hazard); border-radius: 3px; display: grid; place-items: center; color: var(--hazard-dk); background: #fff; }
.feature-ico svg { width: 22px; height: 22px; }
.feature b { display: block; font-family: var(--f-display); font-size: 19px; text-transform: uppercase; letter-spacing: .02em; margin-bottom: 5px; }
.feature p { margin: 0; font-size: 14.5px; color: var(--slate); }
.section--ink .feature-ico { background: rgba(255, 255, 255, .06); color: var(--hazard); }
.section--ink .feature p { color: #b6c0ca; }

/* ---------- 规格表 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 3px; background: #fff; -webkit-overflow-scrolling: touch; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 720px; }
table.spec caption { text-align: start; padding: 16px 18px; font-size: 13px; color: var(--slate); border-bottom: 1px solid var(--line); background: var(--paper-2); }
table.spec th, table.spec td { padding: 13px 16px; text-align: start; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
table.spec thead th { background: var(--ink); color: #fff; font-family: var(--f-display); font-size: 14.5px; letter-spacing: .05em; text-transform: uppercase; font-weight: 600; border-bottom: 0; position: sticky; top: 0; }
table.spec tbody tr:hover { background: #fffbea; }
table.spec tbody tr:last-child td { border-bottom: 0; }
table.spec td b { font-family: var(--f-display); font-size: 17px; letter-spacing: .03em; }
table.spec .t-act { text-align: end; }
[dir="rtl"] table.spec th, [dir="rtl"] table.spec td { text-align: start; }
[dir="rtl"] table.spec .t-act { text-align: end; }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 4vw, 72px); align-items: center; }
.split--form { grid-template-columns: 1.1fr .9fr; align-items: start; }
.split--text-first .split-media { order: 2; }
.split-media { position: relative; border-radius: 3px; overflow: hidden; box-shadow: var(--sh-1); }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split-media--tall img { aspect-ratio: 3 / 4; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 18px 0 0; list-style: none; }
.chips li { border: 1px solid var(--line); border-radius: 2px; padding: 7px 12px; font-size: 13px; background: #fff; }
.section--ink .chips li { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .18); color: #e6ebf0; }
.kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; margin-top: 26px; }
.kv div { background: #fff; padding: 16px 18px; }
.kv dt { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--slate); margin-bottom: 5px; }
.kv dd { margin: 0; font-weight: 700; font-size: 15.5px; }

/* ---------- 流程 ---------- */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.step { background: #fff; padding: 26px 22px 28px; counter-increment: s; position: relative; }
.step::before { content: counter(s, decimal-leading-zero); font-family: var(--f-display); font-size: 34px; color: var(--hazard); display: block; line-height: 1; margin-bottom: 12px; }
.step b { display: block; font-family: var(--f-display); font-size: 18.5px; text-transform: uppercase; margin-bottom: 7px; }
.step p { margin: 0; font-size: 14px; color: var(--slate); }
.section--ink .step { background: rgba(255, 255, 255, .045); }
.section--ink .steps { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .14); }
.section--ink .step b { color: #fff; }
.section--ink .step p { color: #aab4be; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.shot { position: relative; overflow: hidden; border-radius: 3px; background: var(--paper-2); }
.shot img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .5s cubic-bezier(.22, .61, .36, 1); }
.shot:hover img { transform: scale(1.04); }
.shot figcaption { position: absolute; inset-inline: 0; bottom: 0; padding: 26px 16px 13px; font-size: 13.5px; font-weight: 600; color: #fff; background: linear-gradient(180deg, rgba(9, 12, 16, 0), rgba(9, 12, 16, .86)); }

.timeline { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.tl-item { background: #fff; display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 22px 26px; align-items: baseline; }
.tl-item b { font-family: var(--f-display); font-size: 30px; color: var(--hazard-dk); line-height: 1; }
.tl-item p { margin: 0; color: var(--slate); font-size: 15px; }

/* ---------- 询盘 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--slate); }
.field label i { color: var(--rust); font-style: normal; }
.field input, .field select, .field textarea {
  background: #fff; border: 1px solid var(--line); border-radius: 2px; padding: 13px 14px;
  font-size: 15.5px; width: 100%; min-height: 48px; transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--slate); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--hazard); box-shadow: 0 0 0 3px rgba(245, 179, 1, .22); }
.field[data-bad="1"] input, .field[data-bad="1"] select, .field[data-bad="1"] textarea { border-color: var(--rust); }
.field-err { font-size: 12.5px; color: var(--rust); min-height: 0; display: none; }
.field[data-bad="1"] .field-err { display: block; }
.form-note { font-size: 13px; color: var(--slate); margin: 4px 0 0; }
.form-shell { background: #fff; border: 1px solid var(--line); border-radius: 4px; box-shadow: var(--sh-1); padding: clamp(22px, 3vw, 38px); }
.form-status { margin-top: 16px; font-size: 14.5px; font-weight: 600; display: none; align-items: center; gap: 10px; padding: 14px 16px; border-radius: 3px; }
.form-status[data-kind="ok"] { display: flex; background: #eef7ee; color: #1c5c2a; border: 1px solid #bfe0c6; }
.form-status[data-kind="bad"] { display: flex; background: #fdf0ec; color: #8a2b10; border: 1px solid #f2c8bb; }
.form-status svg { width: 18px; height: 18px; flex: none; }

.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 24px 24px 20px; display: flex; gap: 16px; align-items: flex-start; }
.contact-card svg { width: 24px; height: 24px; flex: none; color: var(--hazard-dk); }
.contact-card b { display: block; font-family: var(--f-display); font-size: 18px; text-transform: uppercase; margin-bottom: 6px; }
.contact-card p { margin: 0; font-size: 15px; color: var(--slate); }
.contact-card a:hover { color: var(--hazard-dk); }
.map-frame { border: 0; width: 100%; height: 100%; min-height: 420px; display: block; border-radius: 4px; }

/* ---------- 通栏 CTA ---------- */
.band { position: relative; color: #fff; overflow: hidden; isolation: isolate; }
.band img.band-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(9, 12, 16, .92), rgba(9, 12, 16, .68)); }
.band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-block: clamp(48px, 6vw, 84px); }
.band h2 { max-width: 26ch; }
.band p { color: #c3ccd5; max-width: 60ch; margin: 12px 0 0; }

/* ---------- 页头 ---------- */
.pagehead { background: var(--ink); color: #fff; padding-block: clamp(46px, 6vw, 86px) clamp(38px, 4.6vw, 62px); position: relative; overflow: hidden; }
.pagehead::before { content: ""; position: absolute; inset-block: 0; inset-inline-end: -60px; width: 46%; background: radial-gradient(120% 100% at 100% 50%, rgba(245, 179, 1, .16), transparent 62%); }
.pagehead .wrap { position: relative; }
.pagehead .lead { margin-top: 16px; color: #c3ccd5; }
.crumbs { font-size: 12.5px; letter-spacing: .06em; color: #8f9aa5; margin-bottom: 20px; text-transform: uppercase; }
.crumbs a:hover { color: var(--hazard); }
.crumbs span { margin-inline: 8px; }

/* ---------- 页脚 ---------- */
.foot { background: var(--ink); color: #98a3ae; font-size: 14.5px; padding-top: clamp(52px, 6vw, 84px); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: clamp(24px, 3vw, 48px); padding-bottom: clamp(34px, 4vw, 56px); }
.foot h4 { font-family: var(--f-display); font-size: 17px; letter-spacing: .08em; text-transform: uppercase; color: #fff; margin: 0 0 16px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot a:hover { color: var(--hazard); }
.foot .brand-txt b { color: #fff; }
.foot .brand-txt span { color: #8f9aa5; }
.foot-about { margin: 16px 0 0; max-width: 44ch; }
.foot .muted { color: #8f9aa5; }
.foot-contact { display: grid; gap: 12px; }
.foot-contact div { display: flex; gap: 11px; align-items: flex-start; }
.foot-contact svg { width: 17px; height: 17px; flex: none; margin-top: 3px; color: var(--hazard); }
.foot-bar { border-top: 1px solid rgba(255, 255, 255, .1); padding-block: 20px; display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap; font-size: 13px; }
.foot-langs { display: flex; gap: 14px; flex-wrap: wrap; }
.foot-langs button { background: none; border: 0; color: #98a3ae; cursor: pointer; font-size: 13px; padding: 0; }
.foot-langs button:hover, .foot-langs button[aria-current="true"] { color: var(--hazard); }

/* ---------- 动效 ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.22, .61, .36, 1); }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .07s; } .rv-d2 { transition-delay: .14s; } .rv-d3 { transition-delay: .21s; }
.rv-d4 { transition-delay: .28s; } .rv-d5 { transition-delay: .35s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 断点 ---------- */
@media (max-width: 1200px) {
  .g-6 { grid-template-columns: repeat(3, 1fr); }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1000px) {
  :root { --wrap: min(1560px, 100% - 44px); }
  .nav-links { position: fixed; inset: var(--head-h) 0 auto 0; flex-direction: column; align-items: stretch; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 22px 20px; gap: 0; display: none; box-shadow: var(--sh-2); }
  body.nav-open .nav-links { display: flex; }
  .nav-links a { padding: 14px 4px; border-bottom: 1px solid var(--line-2); font-size: 16px; }
  .nav-links a::after { display: none; }
  .burger { display: block; }
  .nav .wrap { gap: 14px; }
  .split, .g-3 { grid-template-columns: 1fr; }
  .split--text-first .split-media { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: min(92vh, 780px); }
}
@media (max-width: 760px) {
  :root { --wrap: min(1560px, 100% - 34px); }
  .util { display: none; }
  .g-2, .g-4, .g-6, .form-grid, .kv { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 100%; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; }
  .band .wrap { flex-direction: column; align-items: flex-start; }
  h1 { font-size: clamp(34px, 10vw, 52px); }
  .section { padding-block: 56px; }
}
@media (min-width: 2000px) {
  :root { --wrap: min(1760px, 100% - 96px); }
}

/* ---------- 补全件 ---------- */
.skip { position: fixed; inset-block-start: -70px; inset-inline-start: 16px; z-index: 90;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 3px; font-size: 14px;
  transition: inset-block-start .16s ease; }
.skip:focus { inset-block-start: 12px; }
.nav-cta { white-space: nowrap; }
.opt { font-style: normal; color: var(--slate); font-weight: 500; letter-spacing: .03em; text-transform: none; font-size: 11.5px; }
.foot-legal { margin: 10px 0 0; font-size: 13px; color: #7f8b96; }
.map-shell { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: #fff; box-shadow: var(--sh-1); }
.map-note { margin: 0; padding: 14px 18px; border-top: 1px solid var(--line); font-size: 14px; }
.map-note a { display: inline-flex; align-items: center; gap: 8px; }
.map-note svg { width: 15px; height: 15px; flex: none; }
[dir="rtl"] .map-note svg { transform: scaleX(-1); }
.offline-copy { font-family: ui-monospace, Consolas, monospace; font-size: 13px; border: 1px solid #f2c8bb;
  border-radius: 3px; padding: 10px; background: #fff; color: #8a2b10; }

.faq { display: grid; gap: 10px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 0 22px; }
.faq details[open] { border-color: var(--slate); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer;
  list-style: none; padding: 19px 0; font-family: var(--f-display); font-size: 19px; letter-spacing: .02em; text-transform: uppercase; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { width: 18px; height: 18px; flex: none; color: var(--hazard-dk); transition: transform .2s ease; }
.faq details[open] summary svg { transform: rotate(180deg); }
.faq details p { margin: 0 0 20px; color: var(--slate); font-size: 15.5px; max-width: 84ch; }

@media (max-width: 760px) {
  .nav-cta { display: none; }
}
.antibot { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }