/* =========================================
   闫宝龙 - 阿拉伯语网站建设 全站样式
   设计语言：沙漠金 + 深靛蓝 + 阿拉伯几何
   ========================================= */

:root {
  /* 主色：深靛蓝（夜空、商务、权威） */
  --c-ink-900: #0A1A2F;
  --c-ink-800: #0F2440;
  --c-ink-700: #15314F;
  --c-ink-600: #1E4060;
  /* 强调：沙漠金（奢华、阿拉伯、商务） */
  --c-gold-900: #8A6A1F;
  --c-gold-700: #B8902F;
  --c-gold-500: #C9A24B;
  --c-gold-400: #D9B66A;
  --c-gold-300: #E5CB8C;
  --c-gold-100: #F3E4BD;
  /* 中性 */
  --c-bg: #FAF7F2;
  --c-bg-alt: #F2ECDF;
  --c-line: #E6DFCF;
  --c-ink: #1A1A1A;
  --c-ink-soft: #4A4A4A;
  --c-mute: #7A7A7A;
  --c-white: #FFFFFF;
  /* 字体 */
  --ff-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --ff-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ff-display: "Cormorant Garamond", "Noto Serif SC", serif;
  /* 半径 */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  /* 阴影 */
  --sh-1: 0 2px 8px rgba(10,26,47,.06);
  --sh-2: 0 8px 24px rgba(10,26,47,.10);
  --sh-3: 0 20px 50px rgba(10,26,47,.18);
  /* 容器 */
  --container: 1200px;
  --gap: 24px;
  --header-h: 72px;
}

/* ============= Reset ============= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-gold-700); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--ff-serif); font-weight: 600; line-height: 1.3; margin: 0; color: var(--c-ink-900); }
p { margin: 0; }

/* ============= 容器 ============= */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============= 顶部导航 ============= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(10,26,47,0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  z-index: 100;
  border-bottom: 1px solid rgba(201,162,75,0.18);
}
.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-white);
  font-family: var(--ff-serif);
  white-space: nowrap;
}
.logo-mark {
  display: inline-flex;
  align-items: baseline;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-white);
}
.logo-r {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--c-gold-500);
  border-radius: 50%;
  font-size: 10px;
  line-height: 11px;
  text-align: center;
  color: var(--c-gold-500);
  margin-left: 2px;
  transform: translateY(-8px);
}
.logo-divider { color: var(--c-gold-500); margin: 0 10px; font-weight: 300; }
.logo-sub { color: var(--c-gold-300); font-size: 14px; letter-spacing: 0.05em; }
.nav-list {
  display: flex;
  gap: 30px;
  align-items: center;
}
.nav-list a {
  color: rgba(255,255,255,0.86);
  font-size: 14.5px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.nav-list a:hover,
.nav-list a.active {
  color: var(--c-gold-300);
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 2px;
  background: var(--c-gold-500);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--c-gold-500);
  color: var(--c-ink-900);
  font-weight: 600;
  border-radius: var(--r-sm);
  font-size: 14px;
  transition: all .2s ease;
}
.nav-cta:hover {
  background: var(--c-gold-300);
  color: var(--c-ink-900);
  transform: translateY(-1px);
}
.menu-btn {
  display: none;
  width: 36px; height: 36px;
  color: var(--c-white);
  font-size: 22px;
}

/* ============= Banner ============= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  max-height: 820px;
  margin-top: 0;
  overflow: hidden;
  color: var(--c-white);
  background: var(--c-ink-900);
}
.hero-slider {
  position: absolute; inset: 0;
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
  background-size: cover;
  background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,26,47,0.78) 0%, rgba(15,36,64,0.55) 60%, rgba(10,26,47,0.4) 100%);
}
.hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-h);
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-gold-300);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp .9s .2s forwards;
}
.hero-eyebrow::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--c-gold-500);
}
.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  color: var(--c-white);
  font-weight: 700;
  line-height: 1.15;
  max-width: 880px;
  opacity: 0;
  animation: fadeUp .9s .4s forwards;
}
.hero h1 .gold { color: var(--c-gold-300); font-family: var(--ff-display); font-style: italic; font-weight: 500; }
.hero-sub {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,0.86);
  max-width: 720px;
  opacity: 0;
  animation: fadeUp .9s .6s forwards;
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .9s .8s forwards;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--r-sm);
  transition: all .25s ease;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-gold {
  background: var(--c-gold-500);
  color: var(--c-ink-900);
}
.btn-gold:hover {
  background: var(--c-gold-300);
  color: var(--c-ink-900);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(201,162,75,0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--c-gold-500);
  color: var(--c-gold-300);
}
.hero-indicators {
  position: absolute;
  bottom: 40px; right: 0;
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero-indicators span {
  width: 32px; height: 2px;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all .3s ease;
}
.hero-indicators span.active {
  background: var(--c-gold-500);
  width: 56px;
}
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  letter-spacing: 0.3em;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--c-gold-500), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
.hero-arabic {
  position: absolute;
  top: 50%; right: 6%;
  transform: translateY(-50%);
  font-family: var(--ff-display);
  font-size: clamp(120px, 18vw, 260px);
  color: rgba(201,162,75,0.08);
  font-weight: 700;
  letter-spacing: -0.02em;
  z-index: 1;
  pointer-events: none;
  user-select: none;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.3); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
}

/* ============= 通用 section ============= */
.section {
  padding: 96px 0;
  position: relative;
}
.section-tight { padding: 72px 0; }
.section-dark {
  background: var(--c-ink-900);
  color: var(--c-white);
}
.section-dark h2, .section-dark h3 { color: var(--c-white); }
.section-bg {
  background: var(--c-bg-alt);
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--c-gold-700);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.section-head p {
  color: var(--c-ink-soft);
  font-size: 16px;
  line-height: 1.8;
}
.section-dark .section-head p { color: rgba(255,255,255,0.7); }

/* 阿拉伯式分隔线 */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 16px auto 0;
  color: var(--c-gold-500);
}
.ornament::before, .ornament::after {
  content: '';
  width: 48px; height: 1px;
  background: var(--c-gold-500);
  opacity: 0.6;
}
.ornament svg { display: block; }

/* ============= 优势卡片 ============= */
.advantages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.adv-card {
  padding: 36px 28px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-2);
  border-color: var(--c-gold-300);
}
.adv-card:hover::before { transform: scaleX(1); }
.adv-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-alt);
  border-radius: 50%;
  color: var(--c-gold-700);
  margin-bottom: 20px;
}
.adv-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  font-weight: 600;
}
.adv-card p {
  color: var(--c-ink-soft);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ============= 服务清单 ============= */
.services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.svc-card {
  position: relative;
  padding: 32px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.svc-card:hover {
  border-color: var(--c-gold-500);
  background: var(--c-ink-900);
  color: var(--c-white);
  transform: translateY(-4px);
}
.svc-card:hover h3, .svc-card:hover .svc-num { color: var(--c-gold-300); }
.svc-card:hover p { color: rgba(255,255,255,0.7); }
.svc-card:hover .svc-icon { color: var(--c-gold-300); }
.svc-num {
  font-family: var(--ff-display);
  font-size: 14px;
  color: var(--c-gold-500);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  font-weight: 600;
}
.svc-icon {
  color: var(--c-gold-700);
  margin-bottom: 18px;
}
.svc-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  font-weight: 600;
}
.svc-card p {
  color: var(--c-ink-soft);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}
.svc-card .svc-link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-gold-700);
  transition: gap .2s ease;
}
.svc-card:hover .svc-link { color: var(--c-gold-300); }
.svc-card .svc-link:hover { gap: 8px; }

/* ============= 案例 ============= */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-ink-900);
  cursor: pointer;
  transition: transform .35s ease;
}
.case-card:hover { transform: translateY(-6px); }
.case-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.case-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s ease;
}
.case-card:hover .case-img img { transform: scale(1.06); }
.case-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(10,26,47,0.95) 0%, rgba(10,26,47,0.0) 100%);
  color: var(--c-white);
}
.case-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--c-gold-500);
  color: var(--c-ink-900);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: var(--r-sm);
  margin-bottom: 8px;
}
.case-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 4px;
}
.case-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
}
.case-stats {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--c-gold-300);
}

/* ============= 闫宝龙介绍 ============= */
.about-wrap {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 64px;
  align-items: center;
}
.about-photo {
  position: relative;
}
.about-photo img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--r-md);
  box-shadow: var(--sh-3);
  filter: contrast(1.05) saturate(1.05);
}
.about-photo::after {
  content: '';
  position: absolute;
  inset: -16px -16px 16px 16px;
  border: 1.5px solid var(--c-gold-500);
  border-radius: var(--r-md);
  z-index: -1;
}
.about-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--c-ink-900);
  color: var(--c-gold-300);
  padding: 18px 24px;
  border: 1px solid var(--c-gold-500);
  border-radius: var(--r-md);
  font-family: var(--ff-serif);
  text-align: center;
  box-shadow: var(--sh-2);
}
.about-badge .num {
  font-size: 36px;
  font-weight: 700;
  color: var(--c-gold-500);
  line-height: 1;
  font-family: var(--ff-display);
}
.about-badge .lbl {
  font-size: 12px;
  letter-spacing: 0.15em;
  margin-top: 4px;
  color: var(--c-gold-300);
}
.about-text h2 {
  font-size: clamp(28px, 3vw, 36px);
  margin-bottom: 24px;
  line-height: 1.3;
}
.about-text .gold { color: var(--c-gold-700); }
.about-text p {
  color: var(--c-ink-soft);
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}
.about-meta .item .n {
  font-family: var(--ff-display);
  font-size: 30px;
  color: var(--c-gold-700);
  font-weight: 700;
  line-height: 1;
}
.about-meta .item .t {
  font-size: 13px;
  color: var(--c-ink-soft);
  margin-top: 6px;
}

/* ============= FAQ ============= */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 28px;
}
.faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 4px 22px;
  transition: all .2s ease;
}
.faq-item:hover { border-color: var(--c-gold-300); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--c-ink-900);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--ff-serif);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--c-gold-700);
  font-size: 22px;
  font-weight: 300;
  transition: transform .3s ease;
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a {
  padding: 0 0 20px;
  color: var(--c-ink-soft);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-item .faq-q::before {
  content: 'Q';
  display: inline-block;
  font-family: var(--ff-display);
  font-style: italic;
  color: var(--c-gold-700);
  font-size: 16px;
  font-weight: 600;
  margin-right: 8px;
  vertical-align: 1px;
}

/* ============= 联系方式 ============= */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  padding: 36px 28px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  text-align: center;
  transition: all .25s ease;
}
.contact-card:hover {
  border-color: var(--c-gold-500);
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
}
.contact-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-ink-900), var(--c-ink-700));
  color: var(--c-gold-300);
  border-radius: 50%;
}
.contact-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  font-family: var(--ff-serif);
}
.contact-card .v {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-ink-900);
  margin-bottom: 6px;
  word-break: break-all;
}
.contact-card .v a { color: var(--c-ink-900); }
.contact-card .v a:hover { color: var(--c-gold-700); }
.contact-card .h {
  font-size: 13px;
  color: var(--c-mute);
}
.contact-card .copy {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  color: var(--c-gold-700);
  font-weight: 600;
  cursor: pointer;
  padding: 4px 12px;
  border: 1px solid var(--c-gold-500);
  border-radius: 100px;
}
.contact-card .copy:hover { background: var(--c-gold-500); color: var(--c-ink-900); }

.qr-card {
  text-align: center;
}
.qr-card img {
  width: 168px; height: 168px;
  margin: 0 auto 14px;
  border: 6px solid var(--c-white);
  box-shadow: var(--sh-2);
  border-radius: var(--r-md);
}
.qr-card .v { font-size: 16px; }

/* ============= 服务流程 ============= */
.process {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 28px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-gold-500), transparent);
  z-index: 0;
}
.proc-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 4px;
}
.proc-num {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--c-ink-900);
  color: var(--c-gold-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 700;
  border: 2px solid var(--c-gold-500);
}
.proc-step h4 {
  font-size: 15px;
  margin-bottom: 6px;
  font-family: var(--ff-serif);
}
.proc-step p {
  font-size: 12.5px;
  color: var(--c-ink-soft);
  line-height: 1.6;
}

/* ============= 行业应用 ============= */
.industries {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.ind-card {
  padding: 22px 20px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-gold-500);
  border-radius: var(--r-sm);
  transition: all .25s ease;
}
.ind-card:hover {
  background: var(--c-ink-900);
  color: var(--c-white);
  transform: translateX(4px);
}
.ind-card:hover h4, .ind-card:hover p { color: var(--c-white); }
.ind-card h4 {
  font-size: 16px;
  margin-bottom: 4px;
  font-family: var(--ff-serif);
}
.ind-card p {
  font-size: 13px;
  color: var(--c-mute);
  line-height: 1.5;
}

/* ============= CTA 区 ============= */
.cta-block {
  background: linear-gradient(135deg, var(--c-ink-900) 0%, var(--c-ink-700) 100%);
  border-radius: var(--r-lg);
  padding: 56px 48px;
  text-align: center;
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}
.cta-block::before, .cta-block::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border: 1px solid rgba(201,162,75,0.15);
  border-radius: 50%;
}
.cta-block::before { top: -80px; right: -80px; }
.cta-block::after { bottom: -100px; left: -60px; width: 260px; height: 260px; }
.cta-block h2 {
  color: var(--c-white);
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 16px;
  position: relative;
}
.cta-block p {
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 32px;
  position: relative;
}
.cta-actions {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
}

/* ============= 底部 ============= */
.site-footer {
  background: var(--c-ink-900);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.foot-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.foot-brand h3 {
  color: var(--c-white);
  font-size: 22px;
  margin-bottom: 14px;
  font-family: var(--ff-serif);
}
.foot-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.foot-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.foot-col h4 {
  color: var(--c-gold-300);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
  font-family: var(--ff-sans);
  font-weight: 600;
}
.foot-col a {
  display: block;
  color: rgba(255,255,255,0.65);
  font-size: 13.5px;
  padding: 5px 0;
  transition: color .2s;
}
.foot-col a:hover { color: var(--c-gold-300); }
.foot-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.foot-bottom a { color: rgba(255,255,255,0.7); }
.foot-bottom a:hover { color: var(--c-gold-300); }

/* ============= 面包屑 ============= */
.breadcrumb {
  padding: calc(var(--header-h) + 40px) 0 40px;
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-line);
}
.breadcrumb h1 {
  font-size: clamp(28px, 3.5vw, 42px);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.breadcrumb .crumb {
  font-size: 13.5px;
  color: var(--c-ink-soft);
}
.breadcrumb .crumb a { color: var(--c-gold-700); }
.breadcrumb .crumb span { color: var(--c-mute); margin: 0 8px; }

/* ============= 动画/滚动 ============= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============= 响应式 ============= */
@media (max-width: 1024px) {
  .advantages, .services, .industries { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .process::before { display: none; }
  .about-wrap { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .about-photo { max-width: 320px; margin: 0 auto; }
  .about-photo::after { display: none; }
  .about-meta { justify-items: center; }
  .foot-top { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .nav-list { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--c-ink-900); flex-direction: column; padding: 16px 0; gap: 0; border-top: 1px solid rgba(201,162,75,0.2); }
  .nav-list.open { display: flex; }
  .nav-list a { padding: 14px 24px; width: 100%; display: block; }
  .nav-list a.active::after { display: none; }
  .nav-cta { display: none; }
  .menu-btn { display: flex; align-items: center; justify-content: center; }
  .hero { min-height: 560px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15.5px; }
  .hero-arabic { font-size: 100px; right: 0; }
  .section { padding: 64px 0; }
  .advantages, .services, .industries, .cases, .contact-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .about-meta { grid-template-columns: 1fr; text-align: center; }
  .cta-block { padding: 36px 20px; }
  .foot-links { grid-template-columns: repeat(2, 1fr); }
  .foot-bottom { justify-content: center; text-align: center; }
}