/* ============================================================
   Grand Dragon Leather Goods MFY. — site styles
   Static, dependency-free. Mobile-first, editorial B2B look.
   ============================================================ */

:root {
  --ink: #171512;
  --ink-2: #3d3831;
  --muted: #6f6a61;
  --paper: #fbf9f5;
  --white: #ffffff;
  --sand: #f2ece2;
  --sand-2: #e9e1d4;
  --line: #e0d8cb;
  --line-strong: #cfc4b3;
  --leather: #8c5a2e;
  --leather-dark: #6b4320;
  --brass: #b08a4a;
  --green: #3f5c4a;
  --red: #96382c;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --shadow: 0 18px 45px rgba(23, 21, 18, 0.08);
  --radius: 4px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--leather-dark); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.65rem, 2.9vw, 2.35rem); }
h3 { font-size: clamp(1.18rem, 1.7vw, 1.45rem); }
h4 { font-size: 1.02rem; letter-spacing: .01em; }

p { margin: 0 0 1.05em; color: var(--ink-2); }
p.lead { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--ink-2); line-height: 1.62; }
small { font-size: .82rem; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.15em; color: var(--ink-2); }
li { margin: .35em 0; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.section { padding: clamp(48px, 7vw, 92px) 0; }
.section.tight { padding: clamp(32px, 4vw, 52px) 0; }
.section--sand { background: var(--sand); }
.section--ink { background: var(--ink); color: #efe9df; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #fbf7f0; }
.section--ink p, .section--ink li { color: #d8d1c5; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--leather);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; opacity: .7; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- skip link ---------- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */
.topbar {
  background: var(--ink);
  color: #cfc7b9;
  font-size: .74rem;
  letter-spacing: .04em;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 34px; }
.topbar a { color: #e7e0d4; }
.topbar .topbar__right { display: none; gap: 18px; }
@media (min-width: 720px) { .topbar .topbar__right { display: flex; } }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(251, 249, 245, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; gap: 18px;
  min-height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 38px; height: 38px; border: 0; background: transparent;   /* 去外框 */
  display: grid; place-items: center; color: var(--leather);
  font-family: var(--serif); font-size: 17px; letter-spacing: .06em;
}
.brand__name {
  font-family: var(--brand-name-font, var(--serif));
  font-size: var(--brand-name-size, 1.02rem);
  font-weight: var(--brand-name-weight, 600);
  letter-spacing: var(--brand-name-spacing, .02em);
  text-transform: var(--brand-name-case, none);
  color: var(--ink); line-height: var(--brand-name-lh, 1.06);
}
.brand__sub {
  display: block; font-family: var(--sans); font-size: var(--brand-sub-size, .72rem);
  line-height: var(--brand-sub-lh, 1.2);
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  margin-top: var(--brand-gap, 2px);
}

.nav { display: none; margin-left: auto; align-items: center; gap: 17px; }
.nav a {
  font-size: .775rem; letter-spacing: .035em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none; padding: 6px 0;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--leather); border-bottom-color: var(--leather); text-decoration: none; }
/* 第 8 项（Cases）只在 ≥1200px 显示，中屏由页脚兜底 */
@media (max-width: 1199px) { .nav a[data-wide] { display: none; } }

.nav .btn { text-transform: none; letter-spacing: 0; border-bottom: 0; white-space: nowrap; flex-shrink: 0; color: #fff; padding: 9px 15px; font-size: .78rem; }
.nav .btn:hover { color: #fff; background: var(--leather-dark); }
.nav .btn--sm { padding: 8px 14px; }

/* tighten navigation between the mobile breakpoint and a comfortable desktop width */
@media (min-width: 1040px) and (max-width: 1119px) {
  .nav { gap: 11px; }
  .brand { gap: 9px; }
  .brand__sub { font-size: .64rem; letter-spacing: .12em; }
  .nav a { font-size: .7rem; letter-spacing: .02em; }
  .nav .btn { padding: 8px 12px; font-size: .7rem; }
  .brand__name { font-size: .94rem; }
  .brand__mark { width: 34px; height: 34px; }
}

.nav-toggle {
  margin-left: auto; display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; padding: 0; background: transparent;
  border: 1px solid rgba(23,21,18,.26); border-radius: 2px;
  cursor: pointer; color: #171512;           /* 固定深色，不随主题 --ink 变化 */
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle:hover { border-color: rgba(23,21,18,.5); }
.nav-toggle__ico { display: block; }
.nav-toggle__ico .ico-close { opacity: 0; transition: opacity .18s ease; }
.nav-toggle[aria-expanded="true"] .nav-toggle__ico .ico-menu { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__ico .ico-close { opacity: 1; }

.mobile-nav { display: none; border-top: 1px solid var(--line); background: var(--paper); }
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: block; padding: 13px 24px; border-bottom: 1px solid var(--line);
  color: var(--ink-2); text-decoration: none; font-size: .92rem;
}
.mobile-nav a:hover { background: var(--sand); }
.mobile-nav .btn { margin: 14px 24px 18px; text-align: center; }

@media (min-width: 1040px) {
  .nav { display: flex; }
  .nav-toggle, .mobile-nav { display: none !important; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 46px; padding: 12px 22px;
  font-family: var(--sans); font-size: .82rem; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; text-decoration: none; cursor: pointer;
  border: 1px solid var(--ink); background: var(--ink); color: #fff;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--leather-dark); border-color: var(--leather-dark); color: #fff; text-decoration: none; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--light { background: #fbf7f0; color: var(--ink); border-color: #fbf7f0; }
.btn--light:hover { background: #fff; color: var(--leather-dark); }
.btn--sm { min-height: 38px; padding: 8px 15px; font-size: .74rem; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--leather-dark);
}
.arrow-link::after { content: "→"; transition: transform .18s ease; }
.arrow-link:hover { text-decoration: none; }
.arrow-link:hover::after { transform: translateX(3px); }

/* ---------- hero ---------- */
.hero { position: relative; background: var(--ink); color: #f6f1e8; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(17,15,12,.94) 12%, rgba(17,15,12,.72) 52%, rgba(17,15,12,.35) 100%);
}
.hero .container { position: relative; z-index: 1; padding-top: clamp(64px, 10vw, 120px); padding-bottom: clamp(52px, 8vw, 96px); }
.hero__inner { max-width: 680px; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero p { color: #ded5c7; font-size: clamp(1rem, 1.4vw, 1.16rem); max-width: 560px; }
.hero .eyebrow { color: #d8b98a; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero__meta {
  margin-top: 40px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.18);
  display: flex; flex-wrap: wrap; gap: 26px 38px;
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: #bdb3a3;
}
.hero__meta strong { display: block; font-family: var(--serif); font-size: 1.15rem; letter-spacing: 0; text-transform: none; color: #fff; margin-top: 4px; }

/* ---------- page header ---------- */
.page-head { background: var(--sand); border-bottom: 1px solid var(--line); padding: clamp(44px, 6vw, 76px) 0; }
.page-head h1 { margin-bottom: 12px; }
.page-head p { max-width: 720px; margin-bottom: 0; }
.page-head .eyebrow { color: var(--leather); }

.breadcrumbs { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span { margin: 0 7px; }

/* ---------- grids ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr 1fr; }
@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--white); border: 1px solid var(--line); padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
}
.card h3 { margin-bottom: 2px; }
.card p { margin: 0; font-size: .94rem; }
.card__num {
  font-family: var(--serif); font-size: .82rem; letter-spacing: .12em;
  color: var(--brass); margin-bottom: 4px;
}
.card--link:hover { border-color: var(--leather); text-decoration: none; }
.card--link:hover h3 { color: var(--leather-dark); }

.statband { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.statband .grid { gap: 0; }
.stat { padding: 26px 22px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat__value { font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1; color: var(--leather-dark); }
.stat__label { margin-top: 8px; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- split ---------- */
.split { display: grid; gap: clamp(26px, 4vw, 54px); align-items: center; grid-template-columns: 1fr; }
@media (min-width: 900px) { .split { grid-template-columns: 1.05fr .95fr; } .split--reverse > :first-child { order: 2; } }
.split__media { position: relative; }
.split__media img { width: 100%; height: auto; box-shadow: var(--shadow); }
.caption { margin-top: 10px; font-size: .72rem; color: var(--muted); letter-spacing: .02em; }

/* ---------- feature list ---------- */
.feature-list { list-style: none; padding: 0; margin: 22px 0 0; }
.feature-list li {
  position: relative; padding: 14px 0 14px 26px; margin: 0;
  border-top: 1px solid var(--line); color: var(--ink-2);
}
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: 22px;
  width: 8px; height: 8px; border: 1px solid var(--leather); transform: rotate(45deg);
}
.feature-list strong { display: block; color: var(--ink); font-size: .95rem; }

/* ---------- process ---------- */
.process { counter-reset: step; display: grid; gap: 0; border-top: 1px solid var(--line); }
.process__item {
  counter-increment: step;
  display: grid; grid-template-columns: 46px 1fr; gap: 16px;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.process__item::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--serif); font-size: .95rem; color: var(--brass); padding-top: 4px;
}
.process__item h3 { margin-bottom: 4px; font-size: 1.05rem; }
.process__item p { margin: 0; font-size: .93rem; }
.process__tags { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block; padding: 3px 9px; border: 1px solid var(--line-strong);
  font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
  background: var(--white);
}

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
table.spec { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 560px; }
table.spec th, table.spec td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.spec thead th {
  background: var(--sand); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-2); font-weight: 700;
}
table.spec tbody tr:last-child td { border-bottom: 0; }
table.spec td strong { color: var(--ink); }
.tbc { color: var(--red); font-size: .78rem; white-space: nowrap; }

/* ---------- callout ---------- */
.callout {
  border-left: 3px solid var(--leather); background: var(--white);
  padding: 18px 22px; font-size: .92rem; color: var(--ink-2);
}
.callout strong { color: var(--ink); }

/* ---------- faq ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 6px 0; }
.faq summary {
  cursor: pointer; list-style: none; padding: 14px 28px 14px 0; position: relative;
  font-family: var(--serif); font-size: 1.02rem; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 12px;
  font-family: var(--sans); font-size: 1.1rem; color: var(--leather);
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-right: 26px; font-size: .92rem; }

/* ---------- quote / cta ---------- */
.cta-band { background: var(--ink); color: #f4eee4; }
.cta-band .container { display: grid; gap: 22px; padding-top: clamp(38px, 5vw, 58px); padding-bottom: clamp(38px, 5vw, 58px); }
@media (min-width: 860px) { .cta-band .container { grid-template-columns: 1.4fr .6fr; align-items: center; } }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: #cfc6b8; margin: 0; }

/* ---------- footer ---------- */
.site-footer { background: #100f0d; color: #b8b0a2; font-size: .86rem; padding: 54px 0 26px; }
.site-footer a { color: #ded6c8; }
.site-footer h4 {
  color: #f4eee4; font-family: var(--sans); font-size: .68rem; letter-spacing: .16em;
  text-transform: uppercase; margin: 0 0 14px;
}
.footer-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
@media (min-width: 780px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; } }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 7px 0; }
.footer-brand .brand__name { color: #fff; }
.footer-brand p { color: #9d9588; font-size: .84rem; max-width: 320px; margin-top: 12px; }
.footer-bottom {
  margin-top: 38px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: .72rem; color: #8d8578;
}

/* ---------- forms ---------- */
.form-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .full { grid-column: 1 / -1; } }
.field label { display: block; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); background: var(--white);
  font-family: var(--sans); font-size: .92rem; color: var(--ink); border-radius: 0;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(140, 90, 46, .35); outline-offset: 1px; border-color: var(--leather);
}
.form-note { margin-top: 12px; font-size: .76rem; color: var(--muted); }

/* ---------- timeline ---------- */
.timeline { border-left: 1px solid var(--line-strong); margin: 8px 0 0; padding: 0 0 0 26px; }
.timeline__item { position: relative; padding: 0 0 26px; }
.timeline__item::before {
  content: ""; position: absolute; left: -32px; top: 7px; width: 9px; height: 9px;
  background: var(--paper); border: 1px solid var(--leather); transform: rotate(45deg);
}
.timeline__year { font-family: var(--serif); color: var(--leather-dark); font-size: 1rem; }
.timeline__item p { margin: 4px 0 0; font-size: .93rem; }
.timeline__title { margin: 3px 0 0; font-size: .96rem; font-weight: 600; color: var(--ink); }
.timeline__item p.timeline__title + p { margin-top: 2px; }

/* ---------- product cards ---------- */
.product-grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
.product {
  border: 1px solid var(--line); background: var(--white);
  display: flex; flex-direction: column;
}
.product__head { padding: 22px 22px 0; }
.product__head h3 { margin-bottom: 6px; }
.product__head p { font-size: .9rem; }
.product__body { padding: 0 22px 18px; }
.product__list { margin: 0; padding-left: 1.1em; font-size: .86rem; }
.product__body .arrow-link { margin-top: 6px; }

/* ---------- misc ---------- */
.kicker-small { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.two-col-text { columns: 1; }
@media (min-width: 820px) { .two-col-text { columns: 2; column-gap: 42px; } }
.note { font-size: .8rem; color: var(--muted); }
.badge {
  display: inline-block; padding: 5px 10px; border: 1px solid var(--line-strong);
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2);
  background: var(--white);
}
.list-check { list-style: none; padding: 0; }
.list-check li { position: relative; padding-left: 24px; margin: .5em 0; }
.list-check li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }

.illustration { width: 100%; height: auto; background: var(--sand); }

@media print {
  .site-header, .topbar, .site-footer, .cta-band, .nav-toggle, .mobile-nav { display: none !important; }
  body { background: #fff; }
  .hero { background: #fff; color: #000; }
}

/* =========================================================
   Bilingual additions + Design Studio components
   ========================================================= */

.lang-switch {
  display: inline-flex; align-items: center; gap: 4px; flex: 0 0 auto;
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  color: #e7e0d4; border: 1px solid rgba(255,255,255,.28); border-radius: 2px;
  padding: 4px 8px; white-space: nowrap; line-height: 1;
}
.lang-switch svg { display: block; }
.lang-switch:hover { color: #fff; border-color: rgba(255,255,255,.6); text-decoration: none; }
/* 顶栏右侧的语言切换（深底浅字） */
.topbar .lang-switch { margin-left: 2px; }

.trustbar { background: var(--sand); border-bottom: 1px solid var(--line); }
.trustbar .container { padding-top: 12px; padding-bottom: 12px; }
.trustbar span { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.hero__micro { margin-top: 16px; font-size: .8rem; letter-spacing: .04em; color: #bdb3a3; }
.hero__sub { margin-top: 10px; }
.hero--studio .hero__inner { max-width: 760px; }

/* Cards */
.card--pillar { display: flex; flex-direction: column; gap: 8px; }
.card--pillar p { flex: 1; }
.card--flat { background: transparent; border: 1px solid var(--line); box-shadow: none; padding: 22px; }
.card--flat h3 { font-size: 1rem; }

/* Pipeline */
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; position: relative; }
.pipeline__step { border-top: 2px solid var(--ink); padding-top: 16px; }
.pipeline__no { display: block; font-family: var(--serif); font-size: .8rem; letter-spacing: .16em; color: var(--leather); }
.pipeline__step h3 { margin: 6px 0 8px; font-size: 1.15rem; }
.pipeline__step p { font-size: .92rem; color: var(--ink-2); }
.pipeline__out { margin-top: 10px; font-size: .78rem; letter-spacing: .03em; color: var(--muted); }
.pipeline__summary {
  margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line);
  font-family: var(--serif); font-size: 1rem; color: var(--ink-2); letter-spacing: .02em;
}
@media (max-width: 900px) {
  .pipeline { grid-template-columns: 1fr; gap: 22px; }
}

/* Radar */
.radar-wrap { position: relative; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.radar {
  position: relative; width: min(340px, 80vw); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(168,94,46,.10), transparent 70%);
  border: 1px solid var(--line-strong);
}
.radar__ring { position: absolute; border: 1px solid var(--line-strong); border-radius: 50%; opacity: .55; }
.radar__ring--1 { inset: 16%; }
.radar__ring--2 { inset: 32%; }
.radar__ring--3 { inset: 46%; }
.radar__dot { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--leather); }
.radar__dot--a { top: 24%; left: 62%; animation: radarPulse 3.2s ease-in-out infinite; }
.radar__dot--b { top: 58%; left: 30%; animation: radarPulse 3.2s ease-in-out .8s infinite; }
.radar__dot--c { top: 44%; left: 74%; animation: radarPulse 3.2s ease-in-out 1.6s infinite; }
.radar__sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(168,94,46,.18), transparent 90deg);
  animation: radarSweep 9s linear infinite;
}
@keyframes radarPulse { 0%,100% { transform: scale(1); opacity: .55; } 50% { transform: scale(1.9); opacity: 1; } }
@keyframes radarSweep { to { transform: rotate(360deg); } }
.radar-badge {
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid var(--line-strong); background: var(--white); padding: 6px 12px; border-radius: 999px;
}
@media (prefers-reduced-motion: reduce) {
  .radar__dot, .radar__sweep { animation: none; }
}

/* Compare wall */
.compare-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 30px; }
.compare-wall--four { grid-template-columns: repeat(4, 1fr); }
.compare { margin: 0; background: var(--white); border: 1px solid var(--line); }
.compare img { width: 100%; height: auto; aspect-ratio: var(--slot-ratio, 1 / 1); object-fit: cover; display: block; }
.compare figcaption { padding: 14px 16px; font-size: .84rem; color: var(--ink-2); }
.compare figcaption span {
  display: block; font-family: var(--serif); font-size: .78rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--leather); margin-bottom: 6px;
}
@media (max-width: 900px) {
  .compare-wall, .compare-wall--four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .compare-wall, .compare-wall--four { grid-template-columns: 1fr; }
}

/* Tempo cards */
.tempo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.tempo { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 22px;
  background: var(--white); border: 1px solid var(--line); cursor: pointer; transition: transform .2s, border-color .2s, box-shadow .2s; }
.tempo:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.tempo input { position: absolute; opacity: 0; pointer-events: none; }
.tempo:has(input:checked) { border-color: var(--leather); box-shadow: var(--shadow); transform: translateY(-3px); }
.tempo__name { font-family: var(--serif); font-size: 1.1rem; }
.tempo__time { font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--leather); }
.tempo__for { font-size: .88rem; color: var(--ink-2); }
.tempo--static { cursor: default; }
.tempo--static:hover { transform: none; }
@media (max-width: 900px) { .tempo-grid { grid-template-columns: 1fr; } }

/* Chips */
.style-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: .76rem; letter-spacing: .04em; padding: 5px 12px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink-2); background: var(--white); }

/* Process meta */
.process__meta { margin-top: 8px; font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--leather); }

/* Craft block */
.craft__title { font-size: 1rem; margin-bottom: 6px; }
.craft__text { font-size: .88rem; }

/* Responsibility */
.section--responsibility { background: var(--sand-2); }
.section--responsibility h3 { font-size: 1rem; }

/* Footer care line */
.footer-care { font-size: .74rem; letter-spacing: .06em; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 22px; }

/* Studio form */
.studio-form { display: flex; flex-direction: column; gap: 14px; background: var(--white); border: 1px solid var(--line); padding: 24px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: .78rem; letter-spacing: .04em; color: var(--muted); }
.field em { font-style: normal; color: var(--line-strong); }
.field input, .field textarea, .field select {
  font: inherit; font-size: .92rem; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 2px; padding: 10px 12px; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid rgba(168,94,46,.35); outline-offset: 1px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-note { font-size: .78rem; color: var(--muted); min-height: 1.2em; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }


/* 图片 Logo（CMS 上传） */
.brand__mark--img {
  background: transparent; border: 0;
  width: auto;
  min-width: 24px;
  height: var(--logo-h, 34px);
  max-width: var(--logo-w, 120px);
  object-fit: contain;
  border-radius: 0;
  font-size: 0;
}


/* ================= 视频区块（外链 YouTube / Vimeo / 直链） ================= */
.video-block {
  position: relative; margin: 26px 0; background: #000; overflow: hidden;
  border-radius: var(--radius, 4px); border: 1px solid var(--line, #e0d8cb);
}
.video-block .vb__media,
.video-block iframe,
.video-block video {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
  object-fit: cover; display: block; max-height: 100%;
}
.vb--16x9 { aspect-ratio: 16 / 9; }
.vb--4x3  { aspect-ratio: 4 / 3; }
.vb--1x1  { aspect-ratio: 1 / 1; }
.vb--9x16 { aspect-ratio: 9 / 16; max-width: 420px; margin-left: auto; margin-right: auto; }

.vb__facade {
  position: absolute; inset: 0; width: 100%; height: 100%;
  padding: 0; border: 0; background: #000; cursor: pointer; display: block;
}
.vb__facade img { width: 100%; height: 100%; object-fit: cover; opacity: .86; transition: opacity .25s ease, transform .6s ease; }
.vb__facade:hover img { opacity: 1; transform: scale(1.015); }
.vb__play {
  position: absolute; left: 50%; top: 50%; width: 66px; height: 66px;
  margin: -33px 0 0 -33px; border-radius: 50%; background: rgba(255,255,255,.93);
  box-shadow: 0 8px 28px rgba(0,0,0,.28); transition: transform .2s ease;
}
.vb__facade:hover .vb__play { transform: scale(1.06); }
.vb__play::after {
  content: ''; position: absolute; left: 25px; top: 19px;
  border-left: 19px solid #171512; border-top: 14px solid transparent; border-bottom: 14px solid transparent;
}
.video-block figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  padding: 30px 16px 12px; font-size: .78rem; letter-spacing: .02em; color: #f4eee4;
  background: linear-gradient(transparent, rgba(0,0,0,.68));
}
.vb__fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .85rem; text-decoration: underline;
}

/* 背景模式：铺满父级（Hero / 产线通栏），无说明、无圆角 */
.video-block--bg {
  position: absolute; inset: 0; margin: 0; border: 0; border-radius: 0;
  aspect-ratio: auto; max-width: none; z-index: 0;
}
.video-block--bg figcaption { display: none; }
.video-block--bg .vb__media { object-fit: cover; pointer-events: none; }

@media (max-width: 640px) {
  .vb--9x16 { max-width: 100%; }
  .video-block { margin: 18px 0; }
}

/* ---------- 二级菜单（Development ▾） ---------- */
.nav__group { position: relative; display: inline-flex; align-items: center; }
.nav__group-toggle {
  background: none; border: 0; border-bottom: 1px solid transparent; padding: 6px 0; cursor: pointer;
  font: inherit; font-size: .775rem; letter-spacing: .035em; text-transform: uppercase;
  color: var(--ink-2); display: inline-flex; align-items: center; white-space: nowrap;
}
.nav__group-toggle:hover,
.nav__group.is-open .nav__group-toggle { color: var(--leather); border-bottom-color: var(--leather); }
.nav__dropdown {
  position: absolute; top: calc(100% + 12px); left: -16px; min-width: 198px;
  background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 36px rgba(23,21,18,.10);
  padding: 8px 6px; display: none; z-index: 95;
}
.nav__dropdown::before { content: ''; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.nav__group:hover .nav__dropdown,
.nav__group:focus-within .nav__dropdown,
.nav__group.is-open .nav__dropdown { display: block; }
.nav__dropdown a {
  display: block; padding: 8px 12px; line-height: 1.25; font-size: .8rem; letter-spacing: .02em;
  text-transform: none; color: var(--ink-2); border-bottom: 0; white-space: nowrap;
}
.nav__dropdown a:hover { background: var(--sand); color: var(--ink); text-decoration: none; }

/* 移动端子菜单 */
.mobile-nav__group {
  display: flex; width: 100%; align-items: center; justify-content: space-between;
  background: none; border: 0; border-bottom: 1px solid var(--line);
  padding: 14px 0; font: inherit; color: var(--ink-2); text-align: left; cursor: pointer;
}
.mobile-nav__sub { display: none; padding-left: 14px; }
.mobile-nav__sub.is-open { display: block; }
.mobile-nav__sub a { font-size: .9rem; }

/* ---------- CTA 胶囊 + 语言切换强制一行 ---------- */
.nav .btn { border-radius: 999px; padding: 10px 18px; }
.nav .btn--sm { border-radius: 999px; }
.mobile-nav .btn { border-radius: 999px; }

/* 顶栏：内容不换行、语言胶囊不被压缩 */
.topbar .container { flex-wrap: nowrap; }
.topbar .topbar__right { flex-wrap: nowrap; min-width: 0; }
.topbar .topbar__right > * { flex: 0 0 auto; }
.lang-switch {
  display: inline-flex; align-items: center; flex-wrap: nowrap;
  flex: 0 0 auto; min-width: max-content;
  height: 20px; line-height: 1; white-space: nowrap;
}
.lang-switch svg { display: block; flex: 0 0 auto; }

@media (min-width: 1040px) and (max-width: 1199px) {
  .topbar { font-size: .7rem; letter-spacing: .02em; }
  .topbar .topbar__right { gap: 12px; }
  .nav .btn { padding: 9px 15px; }
}

/* ---------- 移动端菜单：分组项与普通链接对齐 + 展开箭头 ---------- */
.mobile-nav__group {
  padding: 13px 24px;              /* 与 .mobile-nav a 完全一致 */
  -webkit-tap-highlight-color: transparent;
}
.mobile-nav__group::after {
  content: ''; width: 7px; height: 7px; margin-left: 12px; flex: 0 0 auto;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg); transition: transform .2s ease;
}
.mobile-nav__group.is-open::after { transform: rotate(-135deg); }
.mobile-nav__sub { padding-left: 0; }
.mobile-nav__sub a { padding-left: 40px; font-size: .9rem; }

/* 触屏设备：只用点击展开，避免 iOS 上 hover 粘滞导致"第一次点没反应/关不掉" */
@media (hover: none) {
  .nav__group:hover .nav__dropdown { display: none; }
  .nav__group.is-open .nav__dropdown { display: block; }
}

/* 移动端 CTA 文字反白（.mobile-nav a 的颜色会盖掉 .btn 的白字） */
.mobile-nav .btn { color: #fff; }
.mobile-nav .btn:hover { color: #fff; }

/* 手机顶栏：左侧标语单行省略，避免折成两行 */
@media (max-width: 719px) {
  .topbar .container { overflow: hidden; }
  .topbar .container > span:first-child {
    display: block; min-width: 0; overflow: hidden;
    white-space: nowrap; text-overflow: ellipsis;
  }
}

/* Logo 单色化：浅色/白色 Logo 在浅色页头上也能看清（亮度压到 0 = 纯黑剪影） */
.brand__mark--mono { filter: brightness(0) saturate(100%); }


/* ---------- FAQ（v3 GEO：可见列表 + FAQPage JSON-LD 同源） ---------- */
.faq-list { margin-top: 22px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq-item dt { font-family: var(--serif); font-weight: 600; font-size: 1.02rem; margin-bottom: 6px; color: var(--ink); }
.faq-item dd { margin: 0; color: var(--ink-2); font-size: .95rem; line-height: 1.7; }


/* ---------- v3 定义块（GEO：H1 下 40-60 字定义段） ---------- */
.def-block {
  font-size: .95rem; line-height: 1.75; color: var(--ink-2);
  border-left: 3px solid var(--leather); padding-left: 16px; margin: 18px 0 20px;
}


/* ---------- 板块配图（三卡顶图 / 通栏图 / 图文两栏） ---------- */
.card__media {
  margin: -24px -24px 6px; overflow: hidden;
  border-bottom: 1px solid var(--line); background: var(--sand);
}
.card__media img {
  display: block; width: 100%; height: auto; aspect-ratio: var(--slot-ratio, 4 / 3); object-fit: cover;
}

.band-media {
  margin: 24px 0 28px; overflow: hidden; background: var(--sand);
  border: 1px solid var(--line);
}
.band-media img {
  display: block; width: 100%; height: auto; aspect-ratio: var(--slot-ratio, 16 / 9); object-fit: cover;
}
.split__media img {
  display: block; width: 100%; height: auto; aspect-ratio: var(--slot-ratio, 3 / 2); object-fit: cover;
}

@media (max-width: 640px) {
  .card__media { margin: -18px -18px 4px; }
  .band-media img { aspect-ratio: 4 / 3; }
  .split__media img { aspect-ratio: 4 / 3; }
}
@media (max-width: 900px) {
  .card--pillar .card__media { margin-left: -18px; margin-right: -18px; }
}


/* 网格防溢出：表格等宽内容不得撑破列宽（grid 项默认 min-width:auto） */
.split > * { min-width: 0; }
.split .table-wrap { min-width: 0; }
.band-media, .card__media, .split__media { min-width: 0; }


/* ---------- 区块包裹（可视化编辑锚点；未设排版时对布局透明） ---------- */
.cms-sec { display: contents; }
.cms-sec--preset { display: block; }
.cms-sec--width-narrow { max-width: 760px; margin-left: auto; margin-right: auto; }
.cms-sec--width-normal { max-width: 1100px; margin-left: auto; margin-right: auto; }
.cms-sec--width-wide { max-width: 1320px; margin-left: auto; margin-right: auto; }
.cms-sec--width-full { max-width: none; }
.cms-sec--spacing-sm { padding-top: 12px; padding-bottom: 12px; }
.cms-sec--spacing-md { padding-top: 28px; padding-bottom: 28px; }
.cms-sec--spacing-lg { padding-top: 56px; padding-bottom: 56px; }
.cms-sec--align-center { text-align: center; }
.cms-sec--align-center .split,
.cms-sec--align-center .grid,
.cms-sec--align-center .pipeline { text-align: left; }
.cms-sec--bg-sand { background: var(--sand, #F2ECE2); }
.cms-sec--bg-ink { background: #171512; color: #F4EEE4; }
.cms-sec--bg-ink a { color: #E6C79B; }


/* ---------- 内页页首（左文右图；无图时回退单列） ---------- */
.page-head__grid {
  display: grid; grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px); align-items: center;
}
@media (min-width: 900px) {
  .page-head--media .page-head__grid { grid-template-columns: 1.35fr .95fr; }
}
.page-head__media {
  margin: 0; overflow: hidden; background: var(--sand);
  border: 1px solid var(--line);
}
.page-head__media img {
  display: block; width: 100%; height: auto;
  aspect-ratio: var(--slot-ratio, 4 / 3); object-fit: cover;
}
.page-head--media p.lead { margin-bottom: 0; }
@media (max-width: 899px) {
  .page-head__media { max-width: 560px; }
}

/* 紧凑时间线（条目较多时使用） */
.timeline--compact .timeline__item { padding-bottom: 15px; }
.timeline--compact .timeline__year { font-size: .92rem; }
.timeline--compact .timeline__title { font-size: .92rem; margin-top: 2px; }
.timeline--compact .timeline__item p { font-size: .88rem; line-height: 1.6; }


/* ---------- 内页页首：背景图（与首页 hero 同一套蒙版） ---------- */
.page-head--cover {
  position: relative; overflow: hidden;
  background: var(--ink); color: #f6f1e8;
  min-height: clamp(340px, 42vh, 520px);
  display: flex; align-items: center;
  padding: clamp(52px, 7vw, 92px) 0;
  border-bottom: 0;
}
.page-head__bg { position: absolute; inset: 0; }
.page-head__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.page-head__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(17,15,12,.94) 12%, rgba(17,15,12,.72) 52%, rgba(17,15,12,.35) 100%);
}
.page-head--cover .container { position: relative; z-index: 1; }
.page-head--cover .page-head__text { max-width: 760px; }
.page-head--cover h1 { color: #fff; margin-bottom: 14px; }
.page-head--cover p.lead { color: #ded5c7; max-width: 700px; margin-bottom: 0; }
.page-head--cover .eyebrow { color: #d8b98a; }
.page-head--cover .breadcrumbs,
.page-head--cover .breadcrumbs a,
.page-head--cover .breadcrumbs span { color: rgba(255,255,255,.62); }
.page-head--cover .breadcrumbs a:hover { color: #fff; }

@media (max-width: 640px) {
  .page-head--cover { min-height: clamp(300px, 46vh, 420px); }
  .page-head__bg::after {
    background: linear-gradient(180deg, rgba(17,15,12,.88) 0%, rgba(17,15,12,.86) 55%, rgba(17,15,12,.92) 100%);
  }
}


/* ---------- 双基地对照图（Factories · Site comparison） ---------- */
.site-compare {
  display: grid; grid-template-columns: 1fr; gap: 16px;
  margin: 22px 0 26px;
}
@media (min-width: 760px) { .site-compare { grid-template-columns: 1fr 1fr; } }
.site-compare__item {
  margin: 0; overflow: hidden; background: var(--sand);
  border: 1px solid var(--line);
}
.site-compare__item img {
  display: block; width: 100%; height: auto;
  aspect-ratio: var(--slot-ratio, 4 / 3); object-fit: cover;
}
.site-compare__item figcaption {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px;
  font-family: var(--serif); font-size: .96rem; color: var(--ink);
}
.site-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.site-dot--cn { background: var(--leather); }
.site-dot--bd { background: #2E7D5B; }