/* ============================================================
   Feichangku Supply Chain Management — static site
   Palette: deep navy / warm paper / signal orange
   ============================================================ */

:root {
  --navy: #0F2B3C;
  --navy-2: #14384E;
  --ink: #1E2A33;
  --muted: #5C6B76;
  --paper: #F7F5F1;
  --paper-2: #EFEBE4;
  --line: #D8D2C8;
  --accent: #F26B21;
  --accent-dark: #D4561A;
  --light: #F4F1EC;
  --max: 1120px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
ul { list-style: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ---------- typography ---------- */
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); line-height: 1.12; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); line-height: 1.18; margin-bottom: 22px; }
h1 em, h2 em { font-style: italic; color: var(--accent); }

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 14px;
}
.kicker.light { color: #F5A46B; }

.sec-num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--line);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}
.sec-num.on-dark { color: rgba(244,241,236,0.25); }

.lead { font-size: 1.08rem; color: var(--muted); margin-bottom: 14px; }
.lead.narrow { max-width: 720px; }
.lead.light { color: #C9D3DA; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 43, 60, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--accent);
  color: #fff; font-family: var(--serif); font-weight: 700; font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
}
.brand-text {
  color: #fff; font-weight: 700; letter-spacing: 0.02em; font-size: 1.3rem;
  display: flex; flex-direction: column; line-height: 1.25;
}
.brand-text small { font-weight: 400; letter-spacing: 0.06em; font-size: 0.74rem; color: #9FB3C0; text-transform: uppercase; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  color: #C7D2DA; text-decoration: none; font-size: 0.83rem; letter-spacing: 0.04em;
  transition: color .15s;
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 8px 18px; border-radius: 4px; font-weight: 600;
}
.nav-cta:hover { background: var(--accent-dark); }
.lang-switch {
  border: 1px solid rgba(255,255,255,0.32);
  padding: 5px 12px; border-radius: 4px;
  font-size: 0.78rem !important; letter-spacing: 0.06em;
}
.lang-switch:hover { border-color: var(--accent); color: #fff; }

/* ---------- Chinese typography ---------- */
html[lang="zh-CN"] { --serif: "Songti SC", "Noto Serif SC", "SimSun", Georgia, serif; }
html[lang="zh-CN"] body { line-height: 1.8; }
html[lang="zh-CN"] h1 { letter-spacing: 0.01em; line-height: 1.25; }
html[lang="zh-CN"] h2 { letter-spacing: 0.01em; line-height: 1.35; }
html[lang="zh-CN"] h1 em, html[lang="zh-CN"] h2 em { font-style: normal; }
html[lang="zh-CN"] .kicker { letter-spacing: 0.16em; font-size: 0.76rem; }
html[lang="zh-CN"] .hero-sub { line-height: 1.8; }
html[lang="zh-CN"] .pull-quote { font-style: normal; }
html[lang="zh-CN"] .ops-note { font-style: normal; }
html[lang="zh-CN"] .brand-text { letter-spacing: 0.04em; font-size: 1.2rem; }

/* ---------- hero ---------- */
.hero { position: relative; background: var(--navy); color: #fff; overflow: hidden; }
.hero-media {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(15,43,60,0.96) 0%, rgba(15,43,60,0.82) 45%, rgba(15,43,60,0.45) 100%),
              url("img/hero-warehouse.jpg") center 40% / cover no-repeat;
}
.hero-content { position: relative; padding: 110px 28px 70px; max-width: var(--max); margin: 0 auto; }
.hero-content .kicker { color: #F5A46B; }
.hero-sub { font-size: 1.12rem; color: #D5DDE3; margin: 20px 0 26px; max-width: 620px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li {
  border: 1px solid rgba(255,255,255,0.35);
  padding: 7px 16px; border-radius: 999px;
  font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: #E8EDF1;
}
.hero-stats {
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.14);
  background: rgba(10, 30, 43, 0.55);
}
.hero-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding-top: 26px; padding-bottom: 26px; }
.hero-stats strong { display: block; font-family: var(--serif); font-size: 1.9rem; color: #fff; }
.hero-stats span { font-size: 0.82rem; color: #A9BAC5; letter-spacing: 0.03em; }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section-tint { background: var(--paper-2); }
.section-dark { background: var(--navy); color: var(--light); }
h2.light { color: #fff; }

.grid-2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }

/* photo frames */
.photo-frame { position: relative; }
.photo-frame img { border-radius: 6px; box-shadow: 0 18px 40px rgba(15,43,60,0.18); }
.photo-frame figcaption {
  margin-top: 12px; font-size: 0.78rem; color: var(--muted);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.photo-wide { margin-top: 48px; }
.photo-wide img { border-radius: 6px; width: 100%; height: 340px; object-fit: cover; box-shadow: 0 18px 40px rgba(15,43,60,0.15); }

/* gain */
.gain { margin-top: 56px; border-top: 1px solid var(--line); padding-top: 40px; }
.gain h3 { font-family: var(--serif); font-weight: 400; font-size: 1.35rem; margin-bottom: 22px; }
.gain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.gain-item { border-top: 3px solid var(--accent); padding-top: 14px; }
.gain-item span { font-family: var(--serif); color: var(--accent-dark); font-size: 0.9rem; }
.gain-item p { font-size: 0.92rem; color: var(--muted); margin-top: 4px; }

/* timeline */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 46px; counter-reset: tl; }
.timeline li { position: relative; padding-top: 26px; border-top: 2px solid var(--line); }
.timeline li::before {
  content: ""; position: absolute; top: -6px; left: 0;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
}
.tl-year { font-family: var(--serif); font-size: 1.25rem; color: var(--navy); display: block; margin-bottom: 6px; }
.timeline h3 { font-size: 1rem; margin-bottom: 6px; }
.timeline p { font-size: 0.88rem; color: var(--muted); }


/* why outsource */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.why-card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 30px 32px; }
.why-card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.18rem; color: var(--navy); margin-bottom: 16px; }
.why-card ul li { position: relative; padding: 7px 0 7px 24px; font-size: 0.92rem; color: var(--muted); }
.why-card ul li::before { content: ""; position: absolute; left: 0; top: 15px; width: 9px; height: 9px; border: 1.5px solid var(--accent); border-radius: 50%; }
.why-sub { font-family: var(--serif); font-weight: 400; font-size: 1.35rem; color: var(--navy); margin: 52px 0 22px; }
.why-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.why-item { background: var(--paper); padding: 26px 26px 24px; }
.why-item span { font-family: var(--serif); color: var(--accent); font-size: 0.9rem; }
.why-item h4 { font-family: var(--serif); font-weight: 400; font-size: 1.05rem; color: var(--navy); margin: 8px 0 8px; }
.why-item p { font-size: 0.87rem; color: var(--muted); }
@media (max-width: 920px) { .why-grid, .why-list { grid-template-columns: 1fr; } }


/* timezone band */
.tz { margin-top: 44px; background: var(--navy); border-radius: 10px; padding: 36px 38px; }
.tz h3 { font-family: var(--serif); font-weight: 400; font-size: 1.3rem; color: #fff; margin-bottom: 24px; }
.tz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.tz-label { color: #F5A46B !important; text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.72rem !important; font-weight: 700; margin-bottom: 8px; }
.tz-grid p { font-size: 0.92rem; color: #C9D3DA; }
.tz-note { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.14); font-size: 0.84rem; color: #9FB3C0; font-style: italic; }
.aud-note { margin-top: 22px; text-align: center; font-size: 0.88rem; color: var(--muted); }
@media (max-width: 920px) { .tz-grid { grid-template-columns: 1fr; gap: 22px; } .tz { padding: 28px 24px; } }

/* service cards */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 40px; }
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 34px 32px 30px;
  box-shadow: 0 4px 18px rgba(15,43,60,0.05);
}
.svc-no {
  font-family: var(--serif); font-size: 1rem; color: var(--accent);
  display: inline-block; margin-bottom: 12px;
}
.svc-card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.35rem; margin-bottom: 16px; color: var(--navy); }
.svc-card ul li {
  padding: 9px 0 9px 22px; border-bottom: 1px solid var(--paper-2);
  font-size: 0.93rem; color: var(--muted); position: relative;
}
.svc-card ul li:last-child { border-bottom: 0; }
.svc-card ul li::before {
  content: ""; position: absolute; left: 0; top: 17px;
  width: 8px; height: 2px; background: var(--accent);
}
.svc-card--wide {
  grid-column: 1 / -1;
  background: linear-gradient(100deg, #fff 0%, #FBF7F2 100%);
  border-color: #E2D6C6;
}
.svc-card--wide .svc-desc { color: var(--muted); font-size: 0.95rem; max-width: 780px; }

/* callout (we are / we are not) */
.callout {
  margin-top: 44px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  padding: 30px 32px;
}
.callout h3 { font-family: var(--serif); font-weight: 400; color: #fff; font-size: 1.2rem; margin-bottom: 20px; }
.callout-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.callout-cols.single { grid-template-columns: 1fr; max-width: 760px; }
.callout-cols p { font-size: 0.93rem; color: #B9C6CF; }
.callout-label {
  text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.7rem !important;
  font-weight: 700; margin-bottom: 8px;
}
.callout-label.yes { color: #7FD1A8 !important; }
.callout-label.no { color: #F5A46B !important; }

/* operations (dark) */
.ops-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.12); margin-top: 44px; }
.ops-item { background: var(--navy); padding: 30px 28px; }
.ops-no { font-family: var(--serif); color: var(--accent); font-size: 0.95rem; }
.ops-item h3 { color: #fff; font-family: var(--serif); font-weight: 400; font-size: 1.15rem; margin: 8px 0 10px; }
.ops-item p { font-size: 0.88rem; color: #A9BAC5; }
.ops-note { margin-top: 34px; font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: #D5DDE3; }

/* white-label */
.wl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 40px; }
.wl-card { background: #fff; border-left: 4px solid var(--navy); border-radius: 0 8px 8px 0; padding: 28px 30px; box-shadow: 0 4px 18px rgba(15,43,60,0.05); }
.wl-card:nth-child(even) { border-left-color: var(--accent); }
.wl-card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.2rem; color: var(--navy); margin-bottom: 14px; }
.wl-card ul li { font-size: 0.9rem; color: var(--muted); padding: 6px 0 6px 20px; position: relative; }
.wl-card ul li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.pull-quote {
  margin-top: 52px; text-align: center;
  font-family: var(--serif); font-size: 1.45rem; font-style: italic; color: var(--navy);
  max-width: 720px; margin-left: auto; margin-right: auto;
}

/* case study */
.case-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 52px; align-items: start; margin-top: 40px; }
.case-metric { border-bottom: 2px solid var(--line); padding-bottom: 18px; margin-bottom: 22px; }
.case-metric strong { font-family: var(--serif); font-size: 2.6rem; color: var(--navy); display: block; line-height: 1.1; }
.case-metric span { color: var(--accent-dark); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.78rem; }
.case-results li { padding: 7px 0 7px 24px; position: relative; font-size: 0.98rem; color: var(--ink); }
.case-results li::before {
  content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700;
}
.case-flow {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin: 26px 0; padding: 20px; border: 1px dashed var(--line); border-radius: 8px; background: #fff;
}
.case-flow span { font-size: 0.85rem; font-weight: 600; color: var(--navy); text-align: center; }
.case-flow i { color: var(--accent); font-style: normal; font-size: 1.2rem; }
.flow-core {
  background: var(--navy); color: #fff !important;
  padding: 12px 18px; border-radius: 6px; line-height: 1.4;
}
.flow-core small { font-weight: 400; font-size: 0.72rem; color: #A9BAC5; }
.case-value { font-size: 0.93rem; color: var(--muted); }


/* recurring desks strip */
.case-more { margin-top: 52px; border-top: 1px solid var(--line); padding-top: 36px; }
.case-more-title { font-family: var(--serif); font-size: 1.15rem; color: var(--navy); margin-bottom: 20px; }
.case-more-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case-more-item { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 22px 24px; }
.case-more-item h4 { font-family: var(--serif); font-weight: 400; font-size: 1.02rem; color: var(--navy); margin-bottom: 8px; }
.case-more-item p { font-size: 0.88rem; color: var(--muted); }
.case-note { margin-top: 18px; font-size: 0.8rem; color: var(--muted); font-style: italic; }
@media (max-width: 920px) { .case-more-grid { grid-template-columns: 1fr; } }

/* audience */
.aud-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.aud-item {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 22px 24px; font-size: 0.95rem; font-weight: 600; color: var(--navy);
}
.axis {
  margin-top: 48px; display: flex; align-items: center; justify-content: center; gap: 26px;
  font-family: var(--serif); font-size: 1.3rem; color: var(--navy);
}
.axis-arrow { color: var(--accent); font-size: 1.8rem; }

/* contact */
.contact { background: var(--navy); padding: 88px 0; }
.contact-inner { text-align: center; }
.contact-card {
  display: inline-block; margin-top: 34px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px; padding: 36px 60px;
}
.contact-label { color: #F5A46B; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.72rem; margin-bottom: 8px; }
.contact-email {
  font-family: var(--serif); font-size: clamp(1.25rem, 3vw, 1.85rem); color: #fff;
  text-decoration: none; display: inline-block;
  border-bottom: 1px solid rgba(242,107,33,0.55); padding-bottom: 4px;
}
.contact-email:hover { color: #F5A46B; }
.contact-co { color: #A9BAC5; font-size: 0.9rem; margin-top: 20px; }
.contact-tag { color: #7E93A1; font-size: 0.82rem; margin-top: 4px; }

/* footer */
.footer { background: #0A1E2B; padding: 26px 0; }
.footer-inner {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.78rem; color: #7E93A1;
}
.footer-mail { color: #C7D2DA; text-decoration: none; }
.footer-mail:hover { color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .grid-2, .case-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .gain-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .ops-grid { grid-template-columns: repeat(2, 1fr); }
  .aud-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta):not(.lang-switch) { display: none; }
}
@media (max-width: 600px) {
  .svc-grid, .wl-grid, .ops-grid, .aud-grid, .gain-grid, .timeline, .hero-stats-grid, .callout-cols { grid-template-columns: 1fr; }
  .svc-card--wide { grid-column: auto; }
  .hero-content { padding: 80px 24px 50px; }
  .section { padding: 64px 0; }
  .contact-card { padding: 30px 26px; }
  .nav-inner { height: 64px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 8px; font-size: 1.3rem; }
  .brand-text { font-size: 1.05rem; }
  html[lang="zh-CN"] .brand-text { font-size: 1rem; }
  .brand-text small { font-size: 0.64rem; }
}