/* =========================================================
   倍富工业服务（江苏）有限公司官网 — 设计系统
   基线：倍富深蓝主色 + SKF蓝证据色 + 白/冷灰 + 工业橙强调
   ========================================================= */

:root {
  /* 主色 */
  --bf-blue-900: #0a2c52;
  --bf-blue-700: #185fa5;
  --bf-blue-500: #378add;
  --bf-blue-100: #e6f1fb;
  --bf-blue-50:  #f4f8fd;

  /* SKF 蓝（仅用于授权证据展示，不用于大面积品牌色） */
  --skf-blue: #0c447c;

  /* 中性 */
  --ink-900: #0e1116;
  --ink-700: #2c333d;
  --ink-500: #5b6472;
  --ink-300: #a4abba;
  --paper: #ffffff;
  --paper-2: #fafbfc;
  --paper-3: #f1f3f6;
  --line: #e3e6ec;

  /* 强调（仅用于风险/异常/行动） */
  --accent-700: #ba7517;
  --accent-500: #ef9f27;
  --accent-100: #faeeda;
  --danger-700: #a32d2d;
  --danger-100: #fcebeb;

  /* 尺度 */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --space-9: 96px;

  --max-w: 1180px;
  --shadow-sm: 0 1px 2px rgba(10,44,82,.06);
  --shadow-md: 0 4px 16px rgba(10,44,82,.08);

  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    Arial, sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, monospace;
}

/* -------- Reset & Base -------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink-900);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.01em;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--bf-blue-700); text-decoration: none; transition: color .15s; }
a:hover { color: var(--bf-blue-900); }
h1,h2,h3,h4 {
  font-weight: 600; line-height: 1.3;
  color: var(--ink-900); margin: 0;
  letter-spacing: -0.005em;
}
h1 { font-weight: 700; letter-spacing: -0.012em; }
p { margin: 0 0 var(--space-3); }
ul { margin: 0; padding-left: 1.2em; }

/* -------- Image utilities -------- */
.media {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: contain;
  background: var(--paper-2);
  border-radius: var(--r-md);
}
.media-fixed {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  border-radius: var(--r-md);
  background: var(--paper-2);
}
.media-cert {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 480px;
  height: auto;
  object-fit: contain;
  border-radius: var(--r-sm);
}
.media-caption {
  font-size: 13px;
  color: var(--ink-500);
  margin-top: var(--space-2);
  text-align: left;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* -------- Header / Nav -------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--space-3); padding-bottom: var(--space-3);
  gap: var(--space-5);
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand img { height: 36px; width: auto; }
.brand-name {
  display: flex; flex-direction: column; line-height: 1.15;
  color: var(--ink-900); font-weight: 600;
}
.brand-name .zh { font-size: 15px; }
.brand-name .en { font-size: 11px; color: var(--ink-500); letter-spacing: .04em; }
.nav { display: flex; gap: var(--space-5); align-items: center; }
.nav a {
  color: var(--ink-700); font-size: 15px; font-weight: 500;
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a.is-active {
  color: var(--bf-blue-700); border-bottom-color: var(--bf-blue-700);
}
.nav .cta {
  background: var(--bf-blue-700); color: #fff !important;
  padding: 8px 18px; border-radius: var(--r-sm); border: 0;
  font-weight: 500;
}
.nav .cta:hover { background: var(--bf-blue-900); border-color: transparent; }

.menu-toggle { display: none; background: none; border: 0; padding: 6px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink-900); margin: 4px 0; }

/* -------- Hero -------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--bf-blue-900) 0%, var(--bf-blue-700) 100%);
  color: #fff; overflow: hidden;
  padding: var(--space-9) 0 var(--space-8);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 60% at 80% 20%, rgba(255,255,255,.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  color: #fff; line-height: 1.15; max-width: 880px;
  margin-bottom: var(--space-4);
}
.hero .lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: rgba(255,255,255,.85); max-width: 720px; margin-bottom: var(--space-4);
}
.hero .lead-punchline {
  font-size: clamp(18px, 2vw, 24px);
  color: #fff; max-width: 720px;
  margin-bottom: var(--space-6);
  font-weight: 500; letter-spacing: 0.005em;
  line-height: 1.5;
  padding-left: 14px;
  border-left: 3px solid var(--accent-500);
}
.hero .actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--r-sm);
  font-weight: 500; font-size: 15px; cursor: pointer; border: 1px solid transparent;
  transition: all .15s; text-decoration: none;
}
.btn-primary { background: #fff; color: var(--bf-blue-900); }
.btn-primary:hover { background: var(--paper-3); color: var(--bf-blue-900); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; }

.trustbar {
  background: var(--bf-blue-50);
  border-bottom: 1px solid var(--line);
  padding: var(--space-3) 0;
  font-size: 13px; color: var(--ink-700);
}
.trustbar .container {
  display: flex; flex-wrap: wrap; gap: var(--space-5); justify-content: space-between;
}
.trustbar strong { color: var(--bf-blue-900); font-weight: 600; }

/* -------- Section -------- */
.section { padding: var(--space-9) 0; }
.section.tight { padding: var(--space-8) 0; }
.section.band { background: var(--paper-2); }
.section.dark { background: var(--bf-blue-900); color: rgba(255,255,255,.92); }
.section.dark h2 { color: #fff; }

.section-head { margin-bottom: var(--space-7); max-width: 720px; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: var(--space-3); letter-spacing: -0.012em; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--bf-blue-700); font-weight: 600;
  padding-bottom: 6px; border-bottom: 2px solid var(--bf-blue-700);
  margin-bottom: var(--space-3);
}
.section-head p { color: var(--ink-500); font-size: 17px; line-height: 1.7; }

/* -------- Grid -------- */
.grid { display: grid; gap: var(--space-5); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

/* -------- Card -------- */
.card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: var(--space-5);
  transition: all .2s;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--bf-blue-100); }
.card .icon {
  width: 44px; height: 44px; border-radius: var(--r-sm);
  background: var(--bf-blue-50); color: var(--bf-blue-700);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 600; margin-bottom: var(--space-3);
}
.card h3 { font-size: 19px; margin-bottom: var(--space-2); color: var(--ink-900); letter-spacing: -0.005em; }
.card p { color: var(--ink-500); font-size: 14.5px; margin: 0; line-height: 1.7; }
.card.is-accent { border-color: var(--accent-500); background: var(--accent-100); }
.card.is-accent .icon { background: #fff; color: var(--accent-700); }

/* -------- Capability card (SVG icon + number) -------- */
.cap-num {
  display: block;
  font-size: 12px; color: var(--bf-blue-700);
  font-weight: 600; letter-spacing: 0.14em;
  margin-bottom: var(--space-3);
}
.cap-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  background: var(--bf-blue-50);
  color: var(--bf-blue-700);
  margin-bottom: var(--space-3);
  transition: all .2s;
}
.cap-icon svg { width: 28px; height: 28px; stroke-width: 1.6; }
.card:hover .cap-icon {
  background: var(--bf-blue-700); color: #fff;
}

/* -------- Comparison Table -------- */
.cmp {
  border: 1px solid var(--line); border-radius: var(--r-md);
  overflow: hidden; background: var(--paper);
}
.cmp-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr; }
.cmp-row + .cmp-row { border-top: 1px solid var(--line); }
.cmp-cell { padding: var(--space-4) var(--space-5); font-size: 14px; }
.cmp-row.head .cmp-cell {
  background: var(--bf-blue-900); color: #fff; font-weight: 600;
}
.cmp-cell.dim { background: var(--paper-3); color: var(--ink-500); }
.cmp-cell.good { background: var(--bf-blue-50); color: var(--ink-900); }
.cmp-cell .ok { color: var(--bf-blue-700); font-weight: 600; }
.cmp-cell .no { color: var(--ink-300); }
@media (max-width: 700px) {
  .cmp-row { grid-template-columns: 1fr; }
  .cmp-row.head { display: none; }
  .cmp-cell::before { content: attr(data-label); display: block; font-weight: 600; color: var(--bf-blue-700); margin-bottom: 4px; font-size: 12px; }
  .cmp-cell:first-child::before { content: ""; }
}

/* -------- Timeline -------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--bf-blue-700) 0%, var(--bf-blue-300) 60%, var(--bf-blue-100) 100%);
}
.timeline-item { position: relative; padding-bottom: var(--space-6); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute;
  left: -32px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bf-blue-700);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--bf-blue-100);
}
.timeline-item .year {
  display: block;
  font-size: 24px; font-weight: 700;
  color: var(--bf-blue-900);
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.timeline-item .text {
  font-size: 15px;
  color: var(--ink-700);
  line-height: 1.65;
}

/* -------- Service Anchor Section -------- */
.service-anchor { scroll-margin-top: 80px; padding: var(--space-7) 0; border-bottom: 1px solid var(--line); }
.service-anchor:last-child { border-bottom: 0; }
.service-anchor .label-num {
  font-size: 12px; color: var(--bf-blue-700); font-weight: 600; letter-spacing: .14em;
}
.service-anchor h3 { font-size: 28px; margin: var(--space-2) 0 var(--space-4); letter-spacing: -0.008em; }
.service-anchor .three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 800px) { .service-anchor .three-col { grid-template-columns: 1fr; } }
.service-anchor h4 { font-size: 14px; color: var(--bf-blue-700); margin-bottom: var(--space-2); font-weight: 600; letter-spacing: 0.04em; }
.service-anchor .three-col p { font-size: 14.5px; color: var(--ink-700); line-height: 1.75; }

/* -------- Cert Card -------- */
.cert-card {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-6);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: var(--space-6);
}
@media (max-width: 800px) { .cert-card { grid-template-columns: 1fr; } }
.cert-card .cert-img {
  border: 1px solid var(--line); border-radius: var(--r-sm);
  background: var(--paper-2); padding: var(--space-3);
  display: flex; align-items: center; justify-content: center;
}
.cert-card .cert-img img { max-height: 360px; width: auto; }
.cert-facts { display: grid; gap: var(--space-3); align-content: center; }
.cert-fact {
  border-left: 3px solid var(--bf-blue-700);
  padding-left: var(--space-3);
}
.cert-fact .label { font-size: 12px; color: var(--ink-500); letter-spacing: .1em; text-transform: uppercase; }
.cert-fact .value { font-size: 20px; font-weight: 700; color: var(--ink-900); letter-spacing: -0.005em; }

/* -------- Industry Case Card -------- */
.industry-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--space-6);
  transition: box-shadow .2s;
}
.industry-card:hover { box-shadow: var(--shadow-md); }
.industry-head {
  display: flex; align-items: center; gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-5);
}
.industry-head h2 {
  font-size: 26px; margin: 0;
  letter-spacing: -0.005em;
  flex: 1;
}
.industry-tagline {
  flex-basis: 100%;
  margin: 4px 0 0;
  color: var(--ink-500);
  font-size: 14.5px;
  line-height: 1.65;
}
.industry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 900px) { .industry-grid { grid-template-columns: 1fr; } }
.industry-grid h4 {
  font-size: 13px;
  color: var(--bf-blue-700);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-3);
  text-transform: uppercase;
}
.industry-grid ul {
  list-style: none; padding: 0; margin: 0;
  color: var(--ink-700);
  font-size: 14.5px;
  line-height: 1.85;
}
.industry-grid li {
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}
.industry-grid li::before {
  content: ""; position: absolute;
  left: 0; top: 11px;
  width: 6px; height: 1px;
  background: var(--bf-blue-700);
}
.industry-grid .data-list li {
  padding-left: 0;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--line);
}
.industry-grid .data-list li:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.industry-grid .data-list li::before { display: none; }
.industry-grid .data-list strong {
  color: var(--accent-700);
  font-weight: 700;
  background: var(--accent-100);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13.5px;
}
.industry-foot {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  background: var(--bf-blue-50);
  margin-left: calc(-1 * var(--space-6));
  margin-right: calc(-1 * var(--space-6));
  margin-bottom: calc(-1 * var(--space-6));
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  padding-bottom: var(--space-6);
  border-radius: 0 0 var(--r-md) var(--r-md);
}
.industry-foot h4 {
  font-size: 12px; color: var(--bf-blue-700);
  font-weight: 600; letter-spacing: 0.08em;
  margin: 0 0 8px;
  text-transform: uppercase;
}
.industry-foot p {
  font-size: 14.5px;
  color: var(--ink-700);
  line-height: 1.75;
  margin: 0;
}

/* -------- Hero (image background variant) -------- */
.hero.hero-image {
  position: relative;
  background: var(--bf-blue-900);
  color: #fff;
  overflow: hidden;
  padding: var(--space-9) 0 var(--space-8);
}
.hero.hero-image .hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero.hero-image .hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  opacity: .7;
}
.hero.hero-image .hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg,
    rgba(10,44,82,.92) 0%,
    rgba(24,95,165,.78) 50%,
    rgba(10,44,82,.55) 100%);
}
.hero.hero-image::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 60% at 80% 20%, rgba(255,255,255,.06) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}
.hero.hero-image .container { position: relative; z-index: 1; }

/* -------- Lifecycle infographic (SVG process) -------- */
.lifecycle {
  display: block;
  margin-top: var(--space-5);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--space-6) var(--space-5);
  overflow-x: auto;
}
.lifecycle svg {
  display: block;
  width: 100%;
  min-width: 720px;
  height: auto;
}

/* -------- Two-entity relationship (parent → child) -------- */
.relation-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-6) auto 0;
  padding: var(--space-4) var(--space-5);
  background: var(--bf-blue-50);
  border-radius: var(--r-md);
  max-width: 720px;
  font-size: 14px;
  color: var(--ink-700);
}
.relation-flow .entity {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: #fff; font-weight: 600;
  border: 1px solid var(--bf-blue-100);
  color: var(--bf-blue-900);
}
.relation-flow .arrow {
  display: inline-flex; align-items: center; gap: 0;
  color: var(--bf-blue-700);
}
.relation-flow .arrow svg { width: 32px; height: 16px; }
.relation-flow .label {
  font-size: 12px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

/* -------- Cases Hero (full-width image background) -------- */
.cases-hero {
  position: relative;
  color: #fff;
  padding: var(--space-9) 0 var(--space-8);
  overflow: hidden;
}
.cases-hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.cases-hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.cases-hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,44,82,.92) 0%, rgba(24,95,165,.78) 100%);
}
.cases-hero .container { position: relative; z-index: 1; }
.cases-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  color: #fff;
  line-height: 1.15;
  max-width: 880px;
  margin: var(--space-4) 0;
}
.cases-hero .lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: rgba(255,255,255,.85);
  max-width: 720px;
  margin-bottom: var(--space-4);
}
.cases-hero .lead-punchline {
  font-size: clamp(18px, 2vw, 24px);
  color: #fff;
  max-width: 720px;
  margin-bottom: var(--space-6);
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.5;
  padding-left: 14px;
  border-left: 3px solid var(--accent-500);
}

/* -------- Hero Cert Badge (floating on hero) -------- */
.cert-badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 10px 12px;
  background: rgba(255,255,255,.95);
  border-radius: var(--r-md);
  box-shadow: 0 4px 24px rgba(10,44,82,.18);
  border: 1px solid rgba(255,255,255,.6);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  z-index: 2;
}
.cert-badge-icon {
  width: 36px; height: 36px;
  background: var(--bf-blue-700);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cert-badge-text { display: flex; flex-direction: column; line-height: 1.2; }
.cert-badge-text .top {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
  font-weight: 600;
  margin-bottom: 2px;
}
.cert-badge-text .num {
  font-size: 15px;
  font-weight: 700;
  color: var(--bf-blue-900);
  letter-spacing: 0.04em;
  font-family: var(--font-mono);
}
@media (max-width: 760px) {
  .cert-badge { top: var(--space-3); right: var(--space-3); padding: 8px 12px; }
  .cert-badge-icon { width: 28px; height: 28px; }
  .cert-badge-text .top { font-size: 9px; }
  .cert-badge-text .num { font-size: 12px; }
}

/* -------- Cert Strip (full-width proof bar below hero) -------- */
.cert-strip {
  background: linear-gradient(180deg, var(--bf-blue-50) 0%, #eef4fb 100%);
  border-bottom: 1px solid var(--bf-blue-100);
  padding: var(--space-5) 0;
}
.cert-strip .container {
  display: flex; align-items: center; gap: var(--space-6);
}
.cert-strip .cert-thumb {
  width: 96px; height: 70px;
  border: 1px solid var(--bf-blue-100);
  border-radius: var(--r-sm);
  background: #fff;
  padding: 4px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(10,44,82,.06);
}
.cert-strip .cert-thumb img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.cert-strip .cert-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-7);
  flex-wrap: wrap;
}
.cert-strip .item .label {
  display: block;
  font-size: 11px;
  color: var(--ink-500);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 500;
}
.cert-strip .item .value {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.cert-strip .item .value small {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-500);
}
.cert-strip .cert-cta {
  background: var(--bf-blue-700);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.cert-strip .cert-cta:hover { background: var(--bf-blue-900); color: #fff; }
@media (max-width: 900px) {
  .cert-strip .container { flex-direction: column; align-items: stretch; gap: var(--space-4); }
  .cert-strip .cert-thumb { display: none; }
  .cert-strip .cert-info { gap: var(--space-4); }
  .cert-strip .item { flex: 1 0 calc(50% - var(--space-2)); }
}

/* -------- Industry Case (V1.5 alternating layout) -------- */
.industry-section { padding: var(--space-9) 0; }
.industry-section:nth-of-type(even) { background: var(--paper-2); }
.industry-section + .industry-section { border-top: 1px solid var(--line); }
.industry-section:nth-of-type(even) { border-top-color: transparent; }

.industry-hero-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-7);
  align-items: center;
  margin-bottom: var(--space-7);
}
.industry-hero-row.reverse { grid-template-columns: 1fr 1.1fr; }
.industry-hero-row.reverse .industry-visual { order: 2; }
@media (max-width: 900px) {
  .industry-hero-row,
  .industry-hero-row.reverse { grid-template-columns: 1fr; }
  .industry-hero-row.reverse .industry-visual { order: 0; }
}

.industry-visual {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--paper-3);
  box-shadow: var(--shadow-md);
}
.industry-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s;
}
.industry-visual:hover img { transform: scale(1.03); }
.industry-visual .industry-overlay {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--space-5) var(--space-5) var(--space-4);
  background: linear-gradient(to top, rgba(10,44,82,.78) 0%, rgba(10,44,82,.2) 60%, transparent 100%);
  color: #fff;
}
.industry-visual .industry-overlay .num {
  font-size: 56px; font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #fff;
}
.industry-visual .industry-overlay .label {
  font-size: 12px;
  letter-spacing: 0.16em;
  opacity: .85;
  text-transform: uppercase;
  margin-top: 6px;
  font-weight: 500;
}

.industry-content .eyebrow {
  display: inline-block;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--bf-blue-700); font-weight: 600;
  padding-bottom: 6px; border-bottom: 2px solid var(--bf-blue-700);
  margin-bottom: var(--space-3);
}
.industry-content h2 {
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
  line-height: 1.25;
}
.industry-content .industry-tagline {
  font-size: 17px;
  color: var(--ink-700);
  line-height: 1.7;
  margin: 0;
  padding-left: var(--space-4);
  border-left: 3px solid var(--accent-500);
}

.industry-detail {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) { .industry-detail { grid-template-columns: 1fr; } }
.industry-detail .col h4 {
  font-size: 12px;
  color: var(--bf-blue-700);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
  font-weight: 600;
}
.industry-detail .col ul {
  list-style: none; padding: 0; margin: 0;
  color: var(--ink-700);
  font-size: 14.5px;
  line-height: 1.85;
}
.industry-detail .col li {
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}
.industry-detail .col li::before {
  content: ""; position: absolute;
  left: 0; top: 11px;
  width: 6px; height: 1px;
  background: var(--bf-blue-700);
}
.industry-detail .data-list li {
  padding-left: 0;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--line);
}
.industry-detail .data-list li:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.industry-detail .data-list li::before { display: none; }
.industry-detail .data-list strong {
  color: var(--accent-700);
  font-weight: 700;
  background: var(--accent-100);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13.5px;
}

.industry-footer-bar {
  margin-top: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(135deg, var(--bf-blue-50) 0%, #f0f5fb 100%);
  border-radius: var(--r-md);
  border-left: 4px solid var(--bf-blue-700);
}
.industry-footer-bar h5 {
  font-size: 12px; color: var(--bf-blue-700);
  font-weight: 600; letter-spacing: 0.1em;
  margin: 0 0 8px;
  text-transform: uppercase;
}
.industry-footer-bar p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-700);
  line-height: 1.7;
}

/* -------- Form -------- */
.form { display: grid; gap: var(--space-4); max-width: 560px; }
.form label { font-size: 13px; color: var(--ink-700); font-weight: 500; }
.form input, .form textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--r-sm);
  font-family: inherit; font-size: 15px; color: var(--ink-900);
  background: var(--paper); transition: border-color .15s;
}
.form input:focus, .form textarea:focus {
  outline: 0; border-color: var(--bf-blue-700);
  box-shadow: 0 0 0 3px var(--bf-blue-50);
}
.form textarea { min-height: 110px; resize: vertical; }
.form .submit { justify-self: start; }

/* -------- Footer -------- */
.site-footer {
  background: var(--bf-blue-900); color: rgba(255,255,255,.78);
  padding: var(--space-7) 0 var(--space-5); margin-top: var(--space-8);
  font-size: 14.5px; line-height: 1.75;
}
.site-footer a { color: rgba(255,255,255,.85); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-6); margin-bottom: var(--space-5); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h5 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: var(--space-3); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 6px; }
.footer-col li strong { color: rgba(255,255,255,.95); font-weight: 600; }
.footer-meta {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: var(--space-4);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3);
  font-size: 12.5px; color: rgba(255,255,255,.55);
  letter-spacing: 0.02em;
}
.footer-logo-wrap {
  display: inline-block;
  background: #ffffff;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  margin-bottom: var(--space-3);
}
.footer-logo-wrap img { height: 32px; width: auto; }
.legal-note { background: var(--paper-3); color: var(--ink-500); padding: var(--space-3) var(--space-5); font-size: 12px; text-align: center; }

/* -------- Misc -------- */
.placeholder-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  background: var(--accent-100); color: var(--accent-700);
  padding: 2px 8px; border-radius: var(--r-sm);
  letter-spacing: .04em; vertical-align: middle;
}
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: center; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; } }
.split.reverse > :first-child { order: 2; }
@media (max-width: 800px) { .split.reverse > :first-child { order: 0; } }

.eyebrow-pill {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: var(--bf-blue-50); color: var(--bf-blue-700);
  font-size: 12px; font-weight: 600; letter-spacing: .04em;
}

/* -------- Mobile nav -------- */
@media (max-width: 760px) {
  .nav { display: none; flex-direction: column; align-items: stretch;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: var(--space-3) var(--space-5); gap: var(--space-2);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 10px 0; border-bottom: 1px solid var(--paper-3); }
  .menu-toggle { display: block; }
  .hero { padding: var(--space-7) 0 var(--space-6); }
  .section { padding: var(--space-7) 0; }
}

/* -------- Recruitment -------- */
.position-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}
.position-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-5);
}
.position-tag {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: .04em;
  color: var(--bf-blue-700); background: var(--bf-blue-50);
  padding: 3px 10px; border-radius: 999px;
  margin-bottom: var(--space-3);
}
.position-head h3 { font-size: clamp(22px, 2.4vw, 30px); margin: 0; }
.position-sub { color: var(--ink-500); font-size: 15px; margin: var(--space-2) 0 0; max-width: 560px; }

.recruit-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}
@media (max-width: 760px) { .recruit-facts { grid-template-columns: repeat(2, 1fr); } }
.recruit-chip {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--bf-blue-700);
  border-radius: var(--r-sm);
  padding: var(--space-3) var(--space-4);
}
.recruit-chip .label {
  display: block;
  font-size: 11px; color: var(--ink-500);
  letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 4px;
}
.recruit-chip .value {
  font-size: 16px; font-weight: 700; color: var(--bf-blue-900);
  letter-spacing: -0.005em; line-height: 1.25;
}

.jd-col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--space-5) var(--space-6);
  height: 100%;
}
.jd-col-title {
  font-size: 17px; color: var(--bf-blue-900);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--bf-blue-100);
}
.jd-list { list-style: none; padding: 0; margin: 0; }
.jd-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: var(--space-3);
  font-size: 14.5px; color: var(--ink-700); line-height: 1.75;
}
.jd-list li:last-child { margin-bottom: 0; }
.jd-list li::before {
  content: ""; position: absolute;
  left: 4px; top: 11px;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--bf-blue-700);
}
.jd-list li strong { color: var(--bf-blue-900); font-weight: 600; }

.download-box {
  display: flex; align-items: center; gap: var(--space-4);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--space-5) var(--space-6);
  flex-wrap: wrap;
}
.download-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: var(--r-md);
  background: var(--bf-blue-50); color: var(--bf-blue-700);
  display: flex; align-items: center; justify-content: center;
}
.download-icon svg { width: 26px; height: 26px; }
.download-info { flex: 1; min-width: 220px; }
.download-info h4 { font-size: 16px; margin: 0 0 4px; color: var(--ink-900); }
.download-info p { font-size: 13px; color: var(--ink-500); margin: 0; }