/* ==========================================================================
   组件库 - 通用可复用模块（手表复古风 · 焦糖棕 + 黄铜金）
   ========================================================================== */

/* ---------- 网格系统 ---------- */
.grid {
  display: grid;
  gap: 30px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   首页 Hero（全屏 Banner · 表盘灵感）
   ========================================================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1A1410 0%, #2C2218 50%, #3D2817 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(26, 20, 16, 0.92) 0%, rgba(60, 40, 23, 0.55) 60%, transparent 100%);
}

/* 表盘装饰：同心圆刻度 */
.hero-bg::before {
  content: "";
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.15);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  border-radius: var(--r-pill);
  background: rgba(184, 134, 11, 0.12);
  border: 1px solid rgba(184, 134, 11, 0.35);
  color: var(--brass-soft);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 26px;
  font-family: var(--font-en);
}

.hero-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brass);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  color: #fff;
  font-size: 60px;
  line-height: 1.16;
  letter-spacing: 2px;
  margin-bottom: 24px;
  font-weight: 700;
}

.hero h1 .yel {
  color: var(--brass-light);
  position: relative;
}

.hero-sub {
  color: rgba(245, 240, 232, 0.7);
  font-size: 17px;
  line-height: 1.9;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 50px;
  flex-wrap: wrap;
}

.hero-stats .stat strong {
  display: block;
  font-size: 38px;
  color: var(--brass-soft);
  font-family: var(--font-en);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}

.hero-stats .stat span {
  font-size: 13px;
  color: rgba(245, 240, 232, 0.5);
  letter-spacing: 1px;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  color: rgba(184, 134, 11, 0.5);
}

.hero-scroll span {
  display: block;
  font-size: 10px;
  letter-spacing: 3px;
  margin-bottom: 8px;
  font-family: var(--font-en);
}

.hero-scroll .mouse {
  width: 22px;
  height: 36px;
  border: 1.5px solid rgba(184, 134, 11, 0.4);
  border-radius: 12px;
  margin: 0 auto;
  position: relative;
}

.hero-scroll .mouse::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background: var(--brass);
  border-radius: 2px;
  animation: scroll-dot 1.8s infinite;
}

@keyframes scroll-dot {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 20px; }
}

/* ==========================================================================
   核心优势卡片
   ========================================================================== */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.adv-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 36px 28px;
  transition: all 0.4s ease;
  overflow: hidden;
}

.adv-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brass) 0%, var(--caramel) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.adv-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brass-soft);
}

.adv-card:hover::before {
  transform: scaleX(1);
}

.adv-no {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 48px;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--rice-3);
  line-height: 1;
}

.adv-ico {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(184, 134, 11, 0.1) 0%, rgba(139, 94, 60, 0.06) 100%);
  border: 1px solid rgba(184, 134, 11, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.adv-card h3 {
  font-size: 19px;
  margin-bottom: 12px;
  color: var(--ink);
}

.adv-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.85;
}

/* ==========================================================================
   核心服务（图文交替大行）
   ========================================================================== */
.svc-list {
  display: flex;
  flex-direction: column;
  gap: 70px;
}

.svc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.svc-row.reverse .svc-media {
  order: 2;
}

.svc-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.svc-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.svc-media:hover img {
  transform: scale(1.05);
}

.svc-media .badge-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 6px 16px;
  background: rgba(26, 20, 16, 0.8);
  color: var(--brass-soft);
  font-size: 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(184, 134, 11, 0.3);
  backdrop-filter: blur(4px);
  letter-spacing: 1px;
}

.svc-body .step-no {
  font-size: 12px;
  color: var(--brass);
  letter-spacing: 3px;
  font-family: var(--font-en);
  margin-bottom: 10px;
  font-weight: 600;
}

.svc-body h3 {
  font-size: 26px;
  margin-bottom: 16px;
  color: var(--ink);
}

.svc-body > p {
  color: var(--muted);
  margin-bottom: 22px;
  line-height: 1.9;
  font-size: 14.5px;
}

.svc-feat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
  margin-bottom: 26px;
}

.svc-feat li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--body);
}

.svc-feat li svg {
  color: var(--brass);
  flex-shrink: 0;
}

/* ==========================================================================
   客户案例网格
   ========================================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brass-soft);
}

.case-img {
  position: relative;
  overflow: hidden;
}

.case-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover .case-img img {
  transform: scale(1.08);
}

.case-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 14px;
  background: rgba(26, 20, 16, 0.78);
  color: var(--brass-soft);
  font-size: 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(184, 134, 11, 0.25);
}

.case-info {
  padding: 24px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-info h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--ink);
}

.case-info p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
  flex: 1;
}

.case-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.case-meta span:first-child {
  color: var(--caramel);
  font-weight: 600;
}

.case-meta .more {
  color: var(--brass);
  font-weight: 600;
}

/* ==========================================================================
   流程步骤
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--brass) 0, var(--brass) 8px, transparent 8px, transparent 16px);
  opacity: 0.3;
}

.step-item {
  text-align: center;
  position: relative;
  z-index: 2;
}

.step-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--caramel) 0%, var(--caramel-deep) 100%);
  color: var(--brass-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-en);
  margin: 0 auto 20px;
  box-shadow: 0 6px 18px rgba(139, 94, 60, 0.3);
  border: 3px solid var(--rice);
}

.step-item h4 {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
  padding: 0 10px;
}

/* ==========================================================================
   资讯列表
   ========================================================================== */
.news-list {
  margin-bottom: 20px;
}

.news-item {
  display: flex;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all 0.35s ease;
}

.news-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--brass-soft);
  transform: translateX(4px);
}

.n-thumb {
  flex-shrink: 0;
  width: 220px;
  height: 150px;
  overflow: hidden;
}

.n-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-item:hover .n-thumb img {
  transform: scale(1.08);
}

.n-body {
  flex: 1;
  padding: 18px 24px 18px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.n-body h4 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--ink);
  line-height: 1.5;
  transition: color 0.3s ease;
}

.news-item:hover .n-body h4 {
  color: var(--caramel);
}

.n-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.n-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.n-foot .date {
  color: var(--caramel-light);
  font-family: var(--font-en);
}

.n-foot .read {
  color: var(--brass);
  font-weight: 600;
}

/* ==========================================================================
   CTA 横幅
   ========================================================================== */
.cta-band {
  background: linear-gradient(135deg, var(--caramel-ink) 0%, var(--caramel-deep) 100%);
  border-radius: var(--r-lg);
  padding: 50px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.1);
}

.cta-band::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(184, 134, 11, 0.08);
}

.cta-text {
  position: relative;
  z-index: 2;
}

.cta-text h3 {
  font-size: 26px;
  color: var(--brass-soft);
  margin-bottom: 8px;
}

.cta-text p {
  color: rgba(245, 240, 232, 0.6);
  font-size: 14px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-foot {
  background: linear-gradient(180deg, #1A1410 0%, #0F0B08 100%);
  color: rgba(245, 240, 232, 0.6);
  padding: 70px 0 0;
  border-top: 3px solid var(--brass);
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.foot-brand img {
  width: 40px;
  height: 40px;
}

.foot-brand strong {
  color: var(--brass-soft);
  font-size: 18px;
  letter-spacing: 1px;
}

.foot-col p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(245, 240, 232, 0.45);
}

.foot-col h4 {
  color: var(--brass-soft);
  font-size: 15px;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.foot-col ul li {
  margin-bottom: 10px;
}

.foot-col ul li a {
  font-size: 13px;
  color: rgba(245, 240, 232, 0.5);
  transition: all 0.25s ease;
}

.foot-col ul li a:hover {
  color: var(--brass-light);
  padding-left: 4px;
}

.foot-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(245, 240, 232, 0.5);
  margin-bottom: 12px;
  line-height: 1.7;
}

.foot-contact li svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.foot-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(184, 134, 11, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12.5px;
  color: rgba(245, 240, 232, 0.35);
}

.foot-links {
  display: flex;
  gap: 18px;
}

.foot-links a {
  color: rgba(245, 240, 232, 0.4);
  font-size: 12.5px;
}

.foot-links a:hover {
  color: var(--brass-light);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-row { grid-template-columns: 1fr; gap: 30px; }
  .svc-row.reverse .svc-media { order: 0; }
  .svc-media img { height: 300px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero h1 { font-size: 40px; }
  .hero-stats { gap: 30px; }
  .hero-stats .stat strong { font-size: 30px; }
  .svc-feat { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 20px; }
  .hero-stats .stat strong { font-size: 26px; }
  .adv-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; }
  .n-thumb { width: 100%; height: 180px; }
  .n-body { padding: 16px; }
  .cta-band { padding: 36px 28px; flex-direction: column; text-align: center; }
  .cta-actions { width: 100%; justify-content: center; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; text-align: center; }
}