/* ==========================================================================
   UNIFLOW · 元弗（厦门）供应链有限公司 — Design System
   新中式 × 国际商务 · Ink / Paper / Vermillion
   ========================================================================== */

:root {
  /* Palette */
  --ink: #16161a;
  --ink-2: #1f1f25;
  --ink-3: #2a2a31;
  --paper: #f7f4ef;
  --paper-2: #fffdf9;
  --red: #c8102e;
  --red-deep: #9d0b23;
  --red-bright: #e0243f;
  --gold: #c9a227;
  --celadon: #2e7d9a;
  --amber: #e8871e;
  --green: #6aa33c;

  --text: #2b2b30;
  --muted: #6f6f77;
  --muted-dark: rgba(247, 244, 239, .62);
  --line: rgba(22, 22, 26, .12);
  --line-dark: rgba(247, 244, 239, .14);
  --shadow: 0 20px 50px -18px rgba(22, 22, 26, .22);
  --shadow-soft: 0 10px 30px -14px rgba(22, 22, 26, .14);

/* Accent — overridden per business-line page via body.theme-* */
--accent: var(--red);
--accent-deep: var(--red-deep);

/* Business-line themes */
.theme-cultural { --accent: var(--celadon); --accent-deep: #1f5d75; }
.theme-electronics { --accent: var(--amber); --accent-deep: #b56612; }
.theme-apparel { --accent: var(--red); --accent-deep: var(--red-deep); }
.theme-food { --accent: var(--green); --accent-deep: #4e7d2b; }

  /* Type — system fonts only, zero network cost (China-safe) */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;

  --ease: cubic-bezier(.22, .61, .21, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }
::selection { background: var(--red); color: #fff; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* ---------- Typography helpers ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12px; font-weight: 600; letter-spacing: .24em;
  text-transform: uppercase; color: var(--red);
}
.kicker::before { content: ''; width: 34px; height: 1px; background: var(--red); }
.kicker--center { justify-content: center; }
.kicker--center::after { content: ''; width: 34px; height: 1px; background: var(--red); }
.kicker--light { color: var(--red-bright); }
.kicker--light::before, .kicker--light::after { background: var(--red-bright); }

.section { padding: 112px 0; }
.section--tight { padding: 84px 0; }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: var(--paper); }

.section-head { max-width: 760px; }
.section-head--center { margin: 0 auto 64px; text-align: center; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.2vw, 46px);
  font-weight: 600; line-height: 1.22; letter-spacing: .01em;
  margin: 18px 0 18px; color: var(--ink);
}
.section--ink .section-head h2 { color: var(--paper); }
.section-head .lead { font-size: 17px; color: var(--muted); max-width: 64ch; }
.section--ink .section-head .lead { color: var(--muted-dark); }
.section-head--center .lead { margin: 0 auto; }

.accent { color: var(--red); }
.accent-serif { font-style: italic; }
.section--ink .accent { color: var(--red-bright); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 32px; border-radius: 3px;
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  transition: all .35s var(--ease); white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--red); color: #fff; box-shadow: 0 12px 28px -12px rgba(200, 16, 46, .55); }
.btn--primary:hover { background: var(--red-deep); transform: translateY(-2px); }
.btn--ghost { border: 1px solid rgba(255, 255, 255, .4); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--ink-3); transform: translateY(-2px); }
.btn--outline { border: 1px solid var(--line); color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); transform: translateY(-2px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); transition: gap .3s var(--ease);
}
.link-arrow:hover { gap: 14px; }
.link-arrow svg { width: 16px; height: 16px; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 200;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
  padding: 22px 0;
}
.site-header.scrolled {
  background: rgba(20, 20, 24, .88);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, .5);
  padding: 12px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }

.brand { display: flex; align-items: center; gap: 13px; color: #fff; }
.brand-logo { height: 38px; width: auto; }
.brand-text { display: flex; flex-direction: column; gap: 2px; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-size: 23px; font-weight: 700; color: #fff; letter-spacing: .06em; }
.brand-sub { font-size: 9.5px; letter-spacing: .34em; color: var(--gold); }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13.5px; font-weight: 500; letter-spacing: .08em;
  color: rgba(255, 255, 255, .82); padding: 6px 0; transition: color .3s;
}
.main-nav > li > a:hover, .main-nav > li.active > a { color: #fff; }
.main-nav > li > a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--red-bright); transition: width .35s var(--ease);
}
.main-nav > li:hover > a::after, .main-nav > li.active > a::after { width: 100%; }
.nav-caret {
  position: absolute;
  left: calc(100% + 5px);
  top: 50%;
  transform: translateY(-50%);
  width: 10px; height: 10px;
  color: rgba(255, 255, 255, .75);
  pointer-events: none;
}

.drop {
  position: absolute; top: calc(100% + 18px); left: 50%; transform: translate(-50%, 8px);
  width: 300px; background: var(--paper-2); border-radius: 8px;
  box-shadow: var(--shadow); padding: 10px;
  opacity: 0; visibility: hidden; transition: all .3s var(--ease);
}
.has-drop:hover .drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.drop a {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 6px;
  color: var(--text); font-size: 14px; transition: background .25s;
}
.drop a:hover { background: var(--paper); }
.drop .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.drop .drop-hub { margin-top: 6px; border-top: 1px solid var(--line); font-weight: 600; color: var(--red); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.lang-switch {
  display: inline-flex; border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px;
  overflow: hidden; flex: none;
}
.lang-switch button {
  padding: 6px 14px; font-size: 12px; font-weight: 600; letter-spacing: .06em;
  color: rgba(255, 255, 255, .8); transition: all .3s;
}
.lang-switch button.active { background: var(--red); color: #fff; }
.header-cta { padding: 11px 22px; }

.burger { display: none; flex-direction: column; gap: 6px; padding: 8px; z-index: 300; }
.burger span { display: block; width: 24px; height: 2px; background: #fff; transition: all .35s var(--ease); }
.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.mobile-nav {
  position: fixed; left: 0; right: 0; z-index: 250;
  background: rgba(20, 20, 24, .94);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-top: 1px solid var(--line-dark);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .6);
  padding: 4px 32px 20px;
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden; transform: translateY(-14px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
  max-height: calc(100vh - 90px); overflow-y: auto;
}
.mobile-nav.open { opacity: 1; visibility: visible; transform: none; }
.mobile-nav a {
  font-family: var(--font-body); font-size: 16px; font-weight: 500; color: var(--paper);
  padding: 15px 0; border-bottom: 1px solid var(--line-dark);
}
.mobile-nav a.active { color: var(--red-bright); }
.mobile-nav a:hover { color: var(--red-bright); }
.mobile-nav .m-sub { font-size: 15px; font-family: var(--font-body); padding-left: 24px; color: var(--muted-dark); }

/* ==========================================================================
   Hero (home)
   ========================================================================== */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  background:
    radial-gradient(1100px 520px at 78% 18%, rgba(200, 16, 46, .26), transparent 62%),
    radial-gradient(900px 600px at 8% 92%, rgba(46, 125, 154, .12), transparent 60%),
    linear-gradient(178deg, #14141a 0%, #1a1a21 55%, #16161c 100%);
  color: var(--paper); overflow: hidden;
}
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; padding: 150px 0 120px; max-width: 900px; }
/* Brand watermark woven into dark banners (暗纹) */
.hero::after,
.page-hero::after {
  content: '';
  position: absolute; z-index: 1; pointer-events: none;
  background: url(../assets/logo-uniflow-dark.png) center / contain no-repeat;
  opacity: .08;
  -webkit-mask-image: radial-gradient(ellipse 78% 82% at 50% 50%, #000 52%, transparent 100%);
  mask-image: radial-gradient(ellipse 78% 82% at 50% 50%, #000 52%, transparent 100%);
}
.hero::after { right: 10px; top: 24%; width: 560px; height: 276px; }
.page-hero::after { right: 20px; top: 20%; width: 470px; height: 232px; }
.page-hero .container { position: relative; z-index: 2; }
.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(42px, 6.6vw, 82px); line-height: 1.12; letter-spacing: .005em;
  margin-bottom: 26px;
}
.hero .hero-sub {
  font-size: clamp(16px, 1.6vw, 19px); line-height: 1.85; color: var(--muted-dark);
  max-width: 62ch; margin-bottom: 44px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-meta {
  position: absolute; left: 32px; bottom: 36px; z-index: 2;
  display: flex; gap: 28px; font-size: 11.5px; letter-spacing: .22em;
  text-transform: uppercase; color: rgba(247, 244, 239, .45);
}
.scroll-hint {
  position: absolute; right: 40px; bottom: 36px; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  font-size: 10.5px; letter-spacing: .3em; text-transform: uppercase; color: rgba(247, 244, 239, .5);
}
.scroll-hint::after {
  content: ''; width: 1px; height: 52px;
  background: linear-gradient(to bottom, var(--red-bright), transparent);
  animation: drip 2.2s var(--ease) infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ==========================================================================
   Business lines
   ========================================================================== */
.lines-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.line-card {
  position: relative; background: var(--paper-2); border: 1px solid var(--line);
  border-top: 3px solid var(--card-accent, var(--red)); border-radius: 8px;
  padding: 38px 28px 30px; display: flex; flex-direction: column;
  transition: all .4s var(--ease);
}
.line-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: var(--card-accent); border-top-color: var(--card-accent); }
.line-card .lc-icon {
  width: 56px; height: 56px; border-radius: 8px; margin-bottom: 24px;
  display: grid; place-items: center; color: var(--card-accent);
  background: color-mix(in srgb, var(--card-accent) 10%, transparent);
}
.line-card .lc-icon svg { width: 30px; height: 30px; }
.line-card .lc-market {
  font-size: 10.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--card-accent); margin-bottom: 10px;
}
.line-card h3 { font-family: var(--font-display); font-size: 22px; line-height: 1.3; color: var(--ink); margin-bottom: 12px; }
.line-card p { font-size: 14px; color: var(--muted); margin-bottom: 20px; flex: 1; }
.line-card .lc-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 24px; }
.line-card .lc-tags span {
  font-size: 11px; padding: 4px 10px; border-radius: 999px;
  background: var(--paper); border: 1px solid var(--line); color: var(--muted);
}

/* ==========================================================================
   Stats (dark)
   ========================================================================== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 18px 10px; border-left: 1px solid var(--line-dark); }
.stat:first-child { border-left: 0; }
.stat b {
  display: block; font-family: var(--font-display); font-weight: 600;
  font-size: clamp(44px, 4.6vw, 64px); line-height: 1.1; color: var(--paper);
}
.stat b em { font-style: normal; color: var(--red-bright); }
.stat span { font-size: 13px; letter-spacing: .1em; color: var(--muted-dark); }

/* ==========================================================================
   Process flow
   ========================================================================== */
.flow-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; counter-reset: step; }
.flow-step { position: relative; padding: 26px 20px 24px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px; transition: all .35s var(--ease); }
.flow-step:hover { border-color: var(--red); transform: translateY(-5px); box-shadow: var(--shadow-soft); }
.flow-step .fs-num {
  font-family: var(--font-display); font-size: 34px; font-weight: 600; font-style: italic;
  color: color-mix(in srgb, var(--red) 34%, transparent); line-height: 1;
}
.flow-step .fs-icon { width: 34px; height: 34px; margin: 16px 0 12px; color: var(--red); }
.flow-step h4 { font-size: 15.5px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.flow-step p { font-size: 12.5px; line-height: 1.65; color: var(--muted); }

/* ==========================================================================
   Locale (FTZ + origin)
   ========================================================================== */
.locale-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.locale-panel { border-radius: 10px; padding: 46px 42px; position: relative; overflow: hidden; }
.locale-panel--ink { background: linear-gradient(160deg, #1b1b22, #141419); color: var(--paper); }
.locale-panel--paper { background: var(--paper-2); border: 1px solid var(--line); }
.locale-panel .lp-kicker { font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 14px; display: block; color: var(--red-bright); }
.locale-panel--paper .lp-kicker { color: var(--red); }
.locale-panel h3 { font-family: var(--font-display); font-size: 27px; margin-bottom: 16px; }
.locale-panel p { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.locale-panel--ink p { color: var(--muted-dark); }
.locale-panel ul { display: grid; gap: 12px; }
.locale-panel li { display: flex; gap: 12px; font-size: 14px; align-items: flex-start; }
.locale-panel--ink li { color: rgba(247, 244, 239, .82); }
.locale-panel li svg { width: 17px; height: 17px; flex: none; margin-top: 4px; color: var(--red-bright); }
.locale-panel--paper li svg { color: var(--red); }
.locale-panel .lp-art { position: absolute; right: -30px; bottom: -30px; width: 220px; opacity: .1; }

/* ==========================================================================
   Group band
   ========================================================================== */
.group-band {
  display: grid; grid-template-columns: auto 1fr auto; gap: 44px; align-items: center;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; padding: 44px 48px;
}
.group-band .gb-mark { width: 84px; height: 84px; border-radius: 10px; background: #fff; box-shadow: 0 8px 20px -6px rgba(22, 22, 26, .16); display: grid; place-items: center; }
.group-band .gb-mark img { height: 64px; width: 64px; display: block; }
.group-band h3 { font-family: var(--font-display); font-size: 24px; color: var(--ink); margin-bottom: 8px; }
.group-band p { font-size: 14.5px; color: var(--muted); max-width: 70ch; }

/* ==========================================================================
   News cards
   ========================================================================== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 32px 30px; display: flex; flex-direction: column; gap: 14px;
  transition: all .35s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); border-color: rgba(200, 16, 46, .35); }
.news-card .nc-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--muted); letter-spacing: .06em; }
.news-card .nc-tag { color: var(--red); font-weight: 600; text-transform: uppercase; letter-spacing: .14em; font-size: 11px; }
.news-card h3 { font-family: var(--font-display); font-size: 19px; line-height: 1.4; color: var(--ink); flex: 1; }
.news-card p { font-size: 13.5px; color: var(--muted); }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
  position: relative; overflow: hidden; text-align: center; color: var(--paper);
  background:
    radial-gradient(800px 380px at 50% 0%, rgba(200, 16, 46, .3), transparent 65%),
    linear-gradient(180deg, #17171d, #121217);
  border-radius: 14px; padding: 96px 40px;
}
.cta-band h2 { font-family: var(--font-display); font-size: clamp(30px, 4.4vw, 52px); font-weight: 600; margin-bottom: 18px; }
.cta-band p { color: var(--muted-dark); max-width: 58ch; margin: 0 auto 40px; }
.cta-band .btn-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */
.page-hero {
  position: relative; padding: 190px 0 96px; color: var(--paper); overflow: hidden;
  background:
    radial-gradient(900px 420px at 82% 12%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 62%),
    linear-gradient(178deg, #14141a, #1a1a21);
}
.page-hero .ph-kicker { font-size: 12px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase; color: var(--red-bright); margin-bottom: 18px; display: inline-block; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(38px, 5.4vw, 64px); font-weight: 600; line-height: 1.15; margin-bottom: 20px; max-width: 20ch; }
.page-hero .ph-sub { font-size: 17px; color: var(--muted-dark); max-width: 66ch; }
.page-hero .ph-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.page-hero .ph-badges span {
  font-size: 12px; letter-spacing: .1em; padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--line-dark); color: rgba(247, 244, 239, .85);
}

/* ==========================================================================
   Products hub / line pages
   ========================================================================== */
.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.hub-card {
  position: relative; border-radius: 12px; overflow: hidden; min-height: 340px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 40px 38px; color: var(--paper); transition: transform .45s var(--ease);
  background: linear-gradient(165deg, #1d1d24, #141419);
}
.hub-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(560px 300px at 85% 15%, color-mix(in srgb, var(--card-accent) 34%, transparent), transparent 64%);
  transition: opacity .4s;
}
.hub-card:hover { transform: translateY(-6px); }
.hub-card .hc-icon { position: absolute; top: 34px; right: 36px; width: 54px; height: 54px; color: color-mix(in srgb, var(--card-accent) 85%, #fff); }
.hub-card .hc-market { font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: color-mix(in srgb, var(--card-accent) 80%, #fff); margin-bottom: 10px; }
.hub-card h3 { position: relative; font-family: var(--font-display); font-size: 29px; margin-bottom: 10px; }
.hub-card p { position: relative; font-size: 14.5px; color: var(--muted-dark); margin-bottom: 18px; max-width: 52ch; }
.hub-card .link-arrow { position: relative; color: #fff; }

.insight-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: start; }
.insight-copy h3 { font-family: var(--font-display); font-size: 28px; color: var(--ink); margin-bottom: 16px; }
.insight-copy p { color: var(--muted); margin-bottom: 16px; font-size: 15.5px; }
.insight-copy ul { display: grid; gap: 13px; margin-top: 8px; }
.insight-copy li { display: flex; gap: 12px; font-size: 15px; }
.insight-copy li svg { width: 18px; height: 18px; color: var(--accent); flex: none; margin-top: 5px; }
.chip-stack { display: grid; gap: 14px; }
.chip {
  display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center;
  background: var(--paper-2); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 22px 26px;
}
.chip b { font-family: var(--font-display); font-size: 34px; font-weight: 600; color: var(--accent); line-height: 1; }
.chip span { font-size: 13.5px; color: var(--muted); display: block; }
.chip strong { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 3px; }

.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cat-card {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 28px 26px; transition: all .35s var(--ease);
}
.cat-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.cat-card .cc-icon { width: 38px; height: 38px; color: var(--accent); margin-bottom: 16px; }
.cat-card h4 { font-size: 16.5px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.cat-card p { font-size: 13.5px; color: var(--muted); }

.cert-band { background: var(--ink); color: var(--paper); border-radius: 12px; padding: 54px 56px; }
.cert-band h3 { font-family: var(--font-display); font-size: 26px; margin-bottom: 12px; }
.cert-band > p { color: var(--muted-dark); max-width: 70ch; margin-bottom: 28px; font-size: 15px; }
.cert-list { display: flex; flex-wrap: wrap; gap: 12px; }
.cert-list span {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; letter-spacing: .06em; padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--line-dark); color: rgba(247, 244, 239, .88);
}
.cert-list svg { width: 14px; height: 14px; color: var(--red-bright); }

.logi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.logi-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px; padding: 32px 30px; }
.logi-card .lg-icon { width: 40px; height: 40px; color: var(--accent); margin-bottom: 18px; }
.logi-card h4 { font-family: var(--font-display); font-size: 20px; color: var(--ink); margin-bottom: 6px; }
.logi-card .lg-time { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.logi-card p { font-size: 14px; color: var(--muted); }

.moq-note { text-align: center; font-size: 13.5px; color: var(--muted); margin-top: 26px; }

/* ==========================================================================
   Services
   ========================================================================== */
.service-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.service-row {
  display: grid; grid-template-columns: 120px 96px 1fr 1.1fr; gap: 36px; align-items: start;
  padding: 46px 0; border-bottom: 1px solid var(--line); transition: background .3s;
}
.service-row:hover { background: color-mix(in srgb, var(--paper-2) 70%, transparent); }
.service-row .sr-num { font-family: var(--font-display); font-style: italic; font-size: 40px; font-weight: 600; color: color-mix(in srgb, var(--red) 36%, transparent); line-height: 1; }
.service-row .sr-icon { width: 52px; height: 52px; color: var(--red); }
.service-row h3 { font-family: var(--font-display); font-size: 24px; color: var(--ink); margin-bottom: 8px; }
.service-row .sr-en { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--red); font-weight: 600; margin-bottom: 10px; display: block; }
.service-row .sr-desc { font-size: 15px; color: var(--muted); }
.service-row ul { display: grid; gap: 10px; }
.service-row li { display: flex; gap: 10px; font-size: 14px; color: var(--text); }
.service-row li svg { width: 16px; height: 16px; color: var(--red); flex: none; margin-top: 5px; }

/* ==========================================================================
   Markets
   ========================================================================== */
.region-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.region-card { border-radius: 12px; padding: 44px 42px; background: var(--paper-2); border: 1px solid var(--line); border-top: 3px solid var(--card-accent, var(--red)); transition: all .4s var(--ease); }
.region-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.region-card .rg-market { font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--card-accent); margin-bottom: 12px; }
.region-card h3 { font-family: var(--font-display); font-size: 26px; color: var(--ink); margin-bottom: 12px; }
.region-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 20px; }
.region-card .rg-countries { display: flex; flex-wrap: wrap; gap: 8px; }
.region-card .rg-countries span { font-size: 12px; padding: 5px 13px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); color: var(--muted); }

.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scenario-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px; padding: 34px 30px; display: flex; flex-direction: column; }
.scenario-card .sc-tag { font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.scenario-card h4 { font-family: var(--font-display); font-size: 19px; color: var(--ink); line-height: 1.4; margin-bottom: 14px; }
.scenario-card p { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.scenario-card .sc-result { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--ink); font-weight: 600; }
.scenario-card .sc-result em { color: var(--red); font-style: normal; }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; align-items: start; }
.about-copy p { font-size: 16px; color: var(--muted); margin-bottom: 18px; }
.about-copy p strong { color: var(--ink); }

.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px; padding: 30px 26px; text-align: center; transition: all .35s var(--ease); }
.value-card:hover { border-color: var(--red); transform: translateY(-4px); }
.value-card .vc-char { font-family: var(--font-display); font-size: 44px; color: var(--red); line-height: 1; margin-bottom: 14px; font-weight: 600; }
.value-card h4 { font-size: 15.5px; color: var(--ink); margin-bottom: 6px; }
.value-card p { font-size: 13px; color: var(--muted); }

.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ''; position: absolute; left: -38px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--paper); border: 2.5px solid var(--red); }
.tl-item .tl-year { font-family: var(--font-display); font-style: italic; font-size: 21px; color: var(--red); margin-bottom: 6px; }
.tl-item h4 { font-size: 16.5px; color: var(--ink); margin-bottom: 6px; }
.tl-item p { font-size: 14px; color: var(--muted); max-width: 62ch; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 28px; align-items: start; }
.form-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px; padding: 46px 44px; }
.form-card h3 { font-family: var(--font-display); font-size: 26px; color: var(--ink); margin-bottom: 8px; }
.form-card > p { font-size: 14px; color: var(--muted); margin-bottom: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 11.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 14.5px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 6px;
  padding: 13px 16px; transition: border-color .3s, box-shadow .3s; width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(200, 16, 46, .12);
}
.form-note { display: none; margin-top: 18px; font-size: 13.5px; color: #2e7d46; background: #eef6ef; border: 1px solid #cfe6d4; border-radius: 6px; padding: 12px 16px; }
.form-note.show { display: block; }

.info-stack { display: grid; gap: 18px; }
.info-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; padding: 28px 30px; display: flex; gap: 20px; align-items: flex-start; }
.info-card .ic-icon { width: 44px; height: 44px; flex: none; color: var(--red); }
.info-card h4 { font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.info-card p, .info-card a { font-size: 15px; color: var(--ink); line-height: 1.7; }
.info-card a:hover { color: var(--red); }
.info-card--ink { background: var(--ink); border-color: var(--ink); }
.info-card--ink h4 { color: var(--muted-dark); }
.info-card--ink p, .info-card--ink a { color: var(--paper); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--ink); color: var(--muted-dark); padding: 78px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; }
.footer-lockup { margin-bottom: 22px; }
.footer-lockup .brand-logo { height: 36px; }
.footer-lockup .brand-name { font-size: 21px; }
.footer-brand p { font-size: 13.5px; max-width: 36ch; margin-bottom: 18px; }
.footer-brand .fb-badge { display: inline-flex; align-items: center; gap: 10px; font-size: 12.5px; color: rgba(247, 244, 239, .8); border: 1px solid var(--line-dark); padding: 8px 16px; border-radius: 999px; }
.footer-col h4 { font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--paper); margin-bottom: 22px; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a, .footer-col li { font-size: 14px; transition: color .3s; }
.footer-col a:hover { color: var(--paper); }
.footer-col .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 9px; }
.footer-bottom { border-top: 1px solid var(--line-dark); padding: 26px 0; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 12.5px; }
.footer-bottom a:hover { color: var(--paper); }

/* ==========================================================================
   WhatsApp float
   ========================================================================== */
.float-wa {
  position: fixed; right: 28px; bottom: 28px; z-index: 180;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--ink); display: grid; place-items: center;
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, .55);
  transition: transform .35s var(--ease);
}
.float-wa:hover { transform: translateY(-4px) scale(1.05); }
.float-wa svg { width: 27px; height: 27px; color: #25d366; }
.float-wa::after {
  content: ''; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid rgba(37, 211, 102, .5); animation: wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse { 0% { transform: scale(.9); opacity: 1; } 100% { transform: scale(1.45); opacity: 0; } }

/* ==========================================================================
   Reveal animations
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-grid > * { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-grid.in-view > * { opacity: 1; transform: none; }
.reveal-grid.in-view > *:nth-child(2) { transition-delay: .1s; }
.reveal-grid.in-view > *:nth-child(3) { transition-delay: .2s; }
.reveal-grid.in-view > *:nth-child(4) { transition-delay: .3s; }
.reveal-grid.in-view > *:nth-child(5) { transition-delay: .4s; }
.reveal-grid.in-view > *:nth-child(6) { transition-delay: .5s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-grid > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .scroll-hint::after, .float-wa::after, .chat-toggle::after { animation: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .lines-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid, .logi-grid, .scenario-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-grid, .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .service-row { grid-template-columns: 70px 60px 1fr; }
  .service-row .sr-points { grid-column: 2 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .burger { display: flex; }
  .header-cta { display: none; }
}
@media (max-width: 720px) {
  .hero::after { width: 330px; height: 163px; right: -30px; top: 16%; opacity: .07; }
  .page-hero::after { width: 300px; height: 148px; right: -30px; top: 18%; opacity: .06; }
  .section { padding: 76px 0; }
  .container { padding: 0 22px; }
  .lines-grid, .hub-grid, .locale-grid, .region-grid, .news-grid, .contact-grid, .cat-grid, .logi-grid, .scenario-grid, .values-grid, .form-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--line-dark); padding-top: 22px; }
  .stat:nth-child(-n+2) { border-top: 0; padding-top: 0; }
  .group-band { grid-template-columns: 1fr; gap: 20px; padding: 34px 30px; text-align: left; }
  .service-row { grid-template-columns: 1fr; gap: 14px; }
  .service-row .sr-points { grid-column: auto; }
  .form-card, .cert-band { padding: 32px 26px; }
  .hero-meta, .scroll-hint { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  /* 手机版页脚只保留品牌与联系方式，导航/业务线由菜单与产品页承载 */
  .footer-grid .footer-col:nth-child(2),
  .footer-grid .footer-col:nth-child(3) { display: none; }
  .lang-switch { margin-right: 0; }
  .brand { gap: 8px; }
  .brand-logo { height: 26px; }
  .brand-name { font-size: 18px; }
  .brand-sub { font-size: 8.5px; letter-spacing: .18em; }
  .hero h1 { font-size: clamp(28px, 8.4vw, 38px); }
  .section-head h2 { font-size: clamp(22px, 6.2vw, 28px); }
  .page-hero h1 { font-size: clamp(26px, 7.2vw, 32px); }
  .cta-band h2 { font-size: clamp(24px, 6.8vw, 30px); }
}

/* ==========================================================================
   Smart chat widget (bilingual)
   ========================================================================== */
.chat-toggle-row {
  position: fixed; right: 28px; bottom: 98px; z-index: 260;
  display: flex; align-items: center; gap: 10px;
}
.chat-pill {
  background: var(--ink); color: var(--gold);
  font-size: 12px; letter-spacing: .18em; padding: 7px 14px;
  border-radius: 999px; box-shadow: 0 10px 24px rgba(0, 0, 0, .28);
  white-space: nowrap;
}
.chat-toggle {
  position: relative;
  width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--ink);
  color: #fff; display: grid; place-items: center;
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, .55);
  transition: transform .35s var(--ease);
}
.chat-toggle:hover { transform: translateY(-4px) scale(1.05); }
.chat-toggle svg { width: 26px; height: 26px; color: var(--red-bright); }
.chat-toggle::after {
  content: ''; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid rgba(224, 36, 63, .5); animation: chat-pulse 2.4s ease-out infinite;
}
@keyframes chat-pulse { 0% { transform: scale(.9); opacity: 1; } 100% { transform: scale(1.45); opacity: 0; } }

.chat-panel {
  position: fixed; right: 28px; bottom: 170px; z-index: 259;
  width: min(372px, calc(100vw - 28px));
  height: min(540px, calc(100vh - 250px));
  background: #fff; border-radius: 18px; overflow: hidden;
  box-shadow: 0 34px 90px -18px rgba(10, 10, 16, .5);
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden; transform: translateY(18px) scale(.97);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.chat-panel.open { opacity: 1; visibility: visible; transform: none; }

.chat-head {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  background: var(--ink); border-bottom: 1px solid var(--line-dark);
}
.chat-avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--red-bright), var(--red));
  display: grid; place-items: center;
}
.chat-avatar svg { width: 20px; height: 20px; color: #fff; }
.chat-head-txt { flex: 1; min-width: 0; line-height: 1.4; color: var(--paper); }
.chat-head-txt b { display: block; font-size: 14.5px; letter-spacing: .04em; }
.chat-head-txt span { font-size: 11.5px; color: var(--muted-dark); display: flex; align-items: center; gap: 6px; }
.chat-dot-on { width: 7px; height: 7px; border-radius: 50%; background: #3ecf6e; display: inline-block; flex: 0 0 auto; }
.chat-close {
  border: 0; background: rgba(255, 255, 255, .14); color: var(--paper);
  width: 30px; height: 30px; border-radius: 50%; font-size: 19px; line-height: 1;
  cursor: pointer; transition: background .25s; flex: 0 0 auto;
}
.chat-close:hover { background: rgba(255, 255, 255, .3); }

.chat-body {
  flex: 1; overflow-y: auto; padding: 16px 14px; background: var(--paper);
  display: flex; flex-direction: column; gap: 11px; scrollbar-width: none;
}
.chat-body::-webkit-scrollbar { display: none; }
.chat-msg {
  max-width: 84%; padding: 10px 14px; border-radius: 13px;
  font-size: 13.5px; line-height: 1.7; animation: chat-msg-in .3s var(--ease);
}
.chat-msg.bot {
  align-self: flex-start; background: #fff; border: 1px solid var(--line);
  border-top-left-radius: 4px; color: var(--text);
}
.chat-msg.user {
  align-self: flex-end; color: #fff; border-top-right-radius: 4px;
  background: linear-gradient(135deg, var(--red-bright), var(--red));
}
.chat-msg a { color: var(--red); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.chat-msg.typing { display: flex; gap: 5px; align-items: center; padding: 13px 16px; }
.chat-msg.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--red); animation: chat-blink 1s infinite; }
.chat-msg.typing i:nth-child(2) { animation-delay: .2s; }
.chat-msg.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes chat-blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }
@keyframes chat-msg-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.chat-chips {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 11px 14px;
  border-top: 1px solid var(--line); background: #fff;
}
.chat-chips button {
  border: 1px solid rgba(200, 16, 46, .4); background: #fdf3f4; color: var(--red);
  font-size: 12.5px; padding: 6px 13px; border-radius: 999px; cursor: pointer;
  transition: all .25s; font-family: var(--font-body);
}
.chat-chips button:hover {
  background: linear-gradient(135deg, var(--red-bright), var(--red));
  color: #fff; border-color: transparent;
}

.chat-input-row {
  display: flex; gap: 9px; padding: 12px 14px;
  background: #fff; border-top: 1px solid var(--line);
}
.chat-entry-btn {
  flex: 0 0 auto; height: 42px; white-space: nowrap;
  border: 1px solid rgba(200, 16, 46, .5); background: #fdf3f4; color: var(--red);
  border-radius: 999px; padding: 0 15px; font-size: 13px; letter-spacing: .04em;
  cursor: pointer; transition: all .25s; font-family: var(--font-body);
}
.chat-entry-btn:hover {
  background: linear-gradient(135deg, var(--red-bright), var(--red));
  color: #fff; border-color: transparent;
}
.chat-input-row input {
  flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 16px; font-size: 14px; outline: none;
  font-family: var(--font-body); background: var(--paper);
  transition: border-color .25s;
}
.chat-input-row input:focus { border-color: var(--red); }
.chat-send-btn {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 50%; border: 0;
  background: linear-gradient(135deg, var(--red-bright), var(--red)); color: #fff;
  cursor: pointer; display: grid; place-items: center; transition: transform .25s;
}
.chat-send-btn:hover { transform: scale(1.06); }
.chat-send-btn svg { width: 18px; height: 18px; }

.chat-msg-form {
  display: flex; flex-direction: column; gap: 9px; padding: 13px 14px;
  background: #fff; border-top: 1px solid var(--line);
}
.chat-msg-form[hidden] { display: none; }
.chat-msg-form input, .chat-msg-form textarea {
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 13px;
  font-size: 13.5px; font-family: var(--font-body); outline: none;
  background: var(--paper); transition: border-color .25s; resize: none;
}
.chat-msg-form input:focus, .chat-msg-form textarea:focus { border-color: var(--red); }
.chat-msg-form textarea { min-height: 74px; }
.chat-form-actions { display: flex; gap: 9px; }
.chat-submit {
  flex: 1; height: 40px; border: 0; border-radius: 999px; cursor: pointer;
  background: linear-gradient(135deg, var(--red-bright), var(--red)); color: #fff;
  font-size: 13.5px; letter-spacing: .05em; font-family: var(--font-body);
  transition: opacity .25s;
}
.chat-submit:disabled { opacity: .6; cursor: default; }
.chat-back {
  flex: 0 0 auto; height: 40px; padding: 0 16px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; background: #fff;
  color: var(--ink); font-size: 13px; font-family: var(--font-body);
}

@media (max-width: 720px) {
  .chat-toggle-row { right: 28px; bottom: 96px; }
  .chat-toggle-row .chat-toggle { width: 54px; height: 54px; }
  .chat-panel {
    right: 12px; bottom: 162px;
    width: calc(100vw - 24px);
    height: min(500px, calc(100vh - 215px));
  }
}
@media (prefers-reduced-motion: reduce) {
  .chat-panel { transition: none; }
  .chat-msg { animation: none; }
  .chat-msg.typing i { animation: none; }
}