/* ==========================================================================
   建盈捌捌建站 · 组件库（多变体，相同功能不同样式）
   ========================================================================== */

/* ---------- 网格 ---------- */
.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 —— 门扉式分层 Banner
   ========================================================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1C1714 0%, #4A2D18 100%);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(28,23,20,.9) 0%, rgba(74,45,24,.55) 55%, transparent 100%);
}
/* 门槛光带 */
.hero-bg::before {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 5px;
  background: linear-gradient(90deg, transparent, var(--brass), transparent);
  z-index: 2;
}
.hero-inner { position: relative; z-index: 3; width: 100%; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 18px; border-radius: var(--r-pill);
  background: rgba(201,163,92,.16); border: 1px solid rgba(201,163,92,.4);
  color: var(--brass-light); font-size: 13px; letter-spacing: 2px; margin-bottom: 26px;
}
.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:.5;transform:scale(1.3)} }

.hero h1 { color: #fff; font-size: 62px; line-height: 1.14; letter-spacing: 2px; margin-bottom: 24px; max-width: 780px; }
.hero h1 .yel { color: var(--brass-light); position: relative; }
.hero .hero-sub { color: rgba(246,233,206,.84); font-size: 18px; max-width: 620px; margin-bottom: 38px; line-height: 1.85; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 浮层数据牌 —— 错位浮在 Hero 上 */
.hero-stats { display: flex; gap: 54px; margin-top: 62px; padding-top: 38px; border-top: 1px solid rgba(246,233,206,.16); flex-wrap: wrap; }
.hero-stats .stat strong { display: block; font-size: 42px; color: var(--brass-light); font-family: var(--font-en); line-height: 1; }
.hero-stats .stat span { color: rgba(246,233,206,.72); font-size: 13.5px; margin-top: 8px; display: block; }

.hero-scroll { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 4; color: rgba(246,233,206,.6); font-size: 12px; letter-spacing: 2px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.hero-scroll .mouse { width: 22px; height: 36px; border: 1.5px solid rgba(246,233,206,.4); border-radius: 12px; position: relative; }
.hero-scroll .mouse::after { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 3px; height: 7px; background: var(--brass); border-radius: 2px; animation: scrollWheel 1.6s infinite; }
@keyframes scrollWheel { 0%{opacity:1;top:7px} 100%{opacity:0;top:18px} }

/* ==========================================================================
   优势卡片 A —— 编号错位卡（首页）
   ========================================================================== */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-grid > .adv-card:nth-child(2) { transform: translateY(36px); }
.adv-grid > .adv-card:nth-child(4) { transform: translateY(36px); }
.adv-card {
  background: var(--white); border-radius: var(--r-md); padding: 36px 28px;
  border: 1px solid var(--line); transition: all .4s ease; position: relative; overflow: hidden;
}
.adv-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--brass), var(--caramel-light));
  transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.adv-card:hover { transform: translateY(-8px) !important; box-shadow: var(--sh-md); border-color: transparent; }
.adv-card:hover::before { transform: scaleX(1); }
.adv-card .adv-ico { width: 58px; height: 58px; border-radius: var(--r-sm); background: var(--cream-2); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; transition: all .4s ease; }
.adv-card:hover .adv-ico { background: linear-gradient(135deg, var(--caramel), var(--caramel-deep)); }
.adv-card h3 { font-size: 19px; margin-bottom: 12px; color: var(--ink); }
.adv-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.adv-card .adv-no { position: absolute; right: 22px; top: 18px; font-size: 46px; font-family: var(--font-en); color: var(--cream-3); font-weight: 700; line-height: 1; }

/* ==========================================================================
   优势卡片 B —— 横向陈列柜（advantages 专题页，区别于 A）
   ========================================================================== */
.adv-row { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 36px; align-items: center; padding: 36px 40px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); margin-bottom: 22px; transition: all .4s ease; }
.adv-row:hover { box-shadow: var(--sh-md); transform: translateX(8px); }
.adv-row .ar-num { font-size: 64px; font-family: var(--font-en); font-weight: 700; color: var(--cream-3); line-height: 1; transition: color .4s ease; }
.adv-row:hover .ar-num { color: var(--brass); }
.adv-row .ar-title h3 { font-size: 22px; margin-bottom: 8px; }
.adv-row .ar-title .ar-tag { font-size: 12px; color: var(--brass-deep); letter-spacing: 2px; font-family: var(--font-en); }
.adv-row .ar-desc { color: var(--muted); font-size: 14.5px; line-height: 1.9; }

/* ==========================================================================
   服务模块 —— 大图交错（首页）
   ========================================================================== */
.svc-list { display: flex; flex-direction: column; gap: 74px; }
.svc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.svc-row.reverse .svc-media { order: 2; }
.svc-media { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-md); }
.svc-media img { width: 100%; height: 430px; object-fit: cover; transition: transform .6s ease; }
.svc-row:hover .svc-media img { transform: scale(1.05); }
.svc-media .badge-tag { position: absolute; top: 22px; left: 22px; padding: 6px 16px; background: rgba(255,255,255,.92); border-radius: var(--r-pill); font-size: 12.5px; color: var(--caramel-deep); font-weight: 600; backdrop-filter: blur(6px); }
.svc-body .step-no { font-size: 14px; color: var(--brass-deep); letter-spacing: 3px; font-family: var(--font-en); margin-bottom: 12px; }
.svc-body h3 { font-size: 28px; margin-bottom: 18px; color: var(--ink); }
.svc-body > p { color: var(--muted); margin-bottom: 24px; font-size: 15px; line-height: 1.9; }
.svc-feat { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 28px; }
.svc-feat li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--body); }
.svc-feat li svg { flex-shrink: 0; color: var(--brass-deep); }

/* ==========================================================================
   服务总览 —— 编号大瓦片（services.html，区别于首页交错）
   ========================================================================== */
.svc-overview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.svc-tile { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 38px 28px 30px; transition: all .4s ease; overflow: hidden; display: flex; flex-direction: column; }
.svc-tile::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, var(--caramel) 0%, var(--caramel-deep) 100%); opacity: 0; transition: opacity .4s ease; z-index: 0; }
.svc-tile > * { position: relative; z-index: 1; }
.svc-tile:hover { transform: translateY(-8px); box-shadow: var(--sh-lg); border-color: transparent; }
.svc-tile:hover::before { opacity: 1; }
.svc-tile .tile-no { font-size: 48px; font-family: var(--font-en); font-weight: 700; color: var(--cream-3); line-height: 1; margin-bottom: 14px; transition: color .4s ease; }
.svc-tile:hover .tile-no { color: rgba(224,192,132,.5); }
.svc-tile .tile-ico { width: 64px; height: 64px; border-radius: var(--r-sm); background: var(--cream-2); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; transition: all .4s ease; }
.svc-tile:hover .tile-ico { background: rgba(201,163,92,.25); }
.svc-tile h3 { font-size: 19px; margin-bottom: 12px; transition: color .4s ease; }
.svc-tile:hover h3 { color: #fff; }
.svc-tile p { font-size: 13.5px; color: var(--muted); line-height: 1.8; margin-bottom: 20px; flex: 1; transition: color .4s ease; }
.svc-tile:hover p { color: rgba(246,233,206,.8); }
.svc-tile .tile-more { font-size: 13.5px; font-weight: 600; color: var(--caramel-deep); transition: all .4s ease; }
.svc-tile:hover .tile-more { color: var(--brass-light); }

/* ==========================================================================
   案例卡片 —— 网格（首页/列表）
   ========================================================================== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-grid > .case-card:nth-child(3n+2) { transform: translateY(34px); }
.case-card { border-radius: var(--r-md); overflow: hidden; background: var(--white); border: 1px solid var(--line); transition: all .4s ease; display: block; }
.case-card:hover { transform: translateY(-6px) !important; box-shadow: var(--sh-md); }
.case-card .case-img { position: relative; overflow: hidden; height: 240px; }
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-img img { transform: scale(1.08); }
.case-card .case-cat { position: absolute; top: 16px; left: 16px; padding: 5px 14px; background: rgba(28,23,20,.85); color: var(--brass-light); font-size: 12px; border-radius: var(--r-pill); backdrop-filter: blur(4px); }
.case-card .case-info { padding: 24px 22px; }
.case-card .case-info h3 { font-size: 18px; margin-bottom: 8px; color: var(--ink); }
.case-card .case-info p { font-size: 13.5px; color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.case-card .case-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 12.5px; color: var(--caramel-light); }
.case-card .case-meta .more { color: var(--caramel-deep); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: gap .3s ease; }
.case-card:hover .case-meta .more { gap: 8px; }

/* 案例筛选 */
.case-filter { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 44px; }
.case-filter button { padding: 9px 22px; border-radius: var(--r-pill); background: var(--white); border: 1px solid var(--line); color: var(--body); font-size: 13.5px; font-weight: 500; transition: all .3s ease; }
.case-filter button:hover, .case-filter button.active { background: linear-gradient(135deg, var(--caramel), var(--caramel-deep)); color: #fff; border-color: transparent; }

/* ==========================================================================
   资讯列表 —— 横向卡片流（首页）
   ========================================================================== */
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item { display: grid; grid-template-columns: 220px 1fr; gap: 24px; background: var(--white); border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); transition: all .35s ease; }
.news-item:hover { box-shadow: var(--sh-md); transform: translateX(6px); border-color: var(--caramel-light); }
.news-item .n-thumb { position: relative; overflow: hidden; height: 100%; min-height: 150px; }
.news-item .n-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-item:hover .n-thumb img { transform: scale(1.06); }
.news-item .n-body { padding: 22px 26px 22px 0; display: flex; flex-direction: column; }
.news-item .n-body h4 { font-size: 17.5px; color: var(--ink); margin-bottom: 10px; line-height: 1.5; transition: color .3s ease; }
.news-item:hover .n-body h4 { color: var(--caramel-deep); }
.news-item .n-body .n-excerpt { font-size: 13.5px; color: var(--muted); line-height: 1.75; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .n-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--caramel-light); }
.news-item .n-foot .read { color: var(--caramel-deep); font-weight: 600; }

/* 紧凑文字列表（侧边/相关） */
.news-mini { display: flex; flex-direction: column; gap: 16px; }
.news-mini .mini-item { display: flex; gap: 14px; align-items: center; padding: 12px; border-radius: var(--r-sm); transition: all .3s ease; }
.news-mini .mini-item:hover { background: var(--cream-2); }
.news-mini .mini-item .m-thumb { width: 84px; height: 64px; border-radius: var(--r-sm); overflow: hidden; flex-shrink: 0; }
.news-mini .mini-item .m-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-mini .mini-item .m-body h5 { font-size: 14px; color: var(--ink); line-height: 1.5; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .3s ease; }
.news-mini .mini-item:hover .m-body h5 { color: var(--caramel-deep); }
.news-mini .mini-item .m-body .m-date { font-size: 12px; color: var(--caramel-light); }

/* ==========================================================================
   CTA 行动召唤
   ========================================================================== */
.cta-band { background: linear-gradient(120deg, var(--caramel-deep) 0%, var(--caramel-ink) 100%); border-radius: var(--r-xl); padding: 56px 60px; display: flex; align-items: center; justify-content: space-between; gap: 30px; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; right: -40px; bottom: -40px; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, rgba(201,163,92,.28) 0%, transparent 70%); }
.cta-band .cta-text h3 { color: #fff; font-size: 28px; margin-bottom: 10px; }
.cta-band .cta-text p { color: rgba(246,233,206,.72); font-size: 15px; }
.cta-band .cta-actions { display: flex; gap: 14px; flex-shrink: 0; position: relative; z-index: 2; }

/* ==========================================================================
   特性卡（详情页 spec）
   ========================================================================== */
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.spec-card { padding: 34px 28px; background: var(--white); border-radius: var(--r-md); border: 1px solid var(--line); text-align: center; transition: all .4s ease; }
.spec-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); background: linear-gradient(180deg, var(--white) 0%, var(--cream) 100%); }
.spec-card .spec-ico { width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%; background: linear-gradient(135deg, var(--cream-2), var(--cream-3)); display: flex; align-items: center; justify-content: center; }
.spec-card h4 { font-size: 18px; margin-bottom: 10px; }
.spec-card p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }

/* 数据条 */
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.metric-row .metric { padding: 30px 16px; background: var(--white); border-radius: var(--r-md); border: 1px solid var(--line); }
.metric-row .metric strong { display: block; font-size: 36px; color: var(--caramel-deep); font-family: var(--font-en); line-height: 1; margin-bottom: 8px; }
.metric-row .metric span { font-size: 13.5px; color: var(--muted); }

/* ==========================================================================
   图文左右块
   ========================================================================== */
.split-block { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; margin-bottom: 60px; }
.split-block.reverse .split-img { order: 2; }
.split-img { border-radius: var(--r-md); overflow: hidden; box-shadow: var(--sh-sm); }
.split-img img { width: 100%; height: 380px; object-fit: cover; }
.split-text h3 { font-size: 26px; margin-bottom: 16px; }
.split-text p { color: var(--muted); margin-bottom: 16px; line-height: 1.9; }
.split-text ul.check-list li { position: relative; padding-left: 30px; margin-bottom: 12px; font-size: 14.5px; color: var(--body); }
.split-text ul.check-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px; border-radius: 50%; background: var(--cream-2); }
.split-text ul.check-list li::after { content: ""; position: absolute; left: 5px; top: 11px; width: 8px; height: 4px; border-left: 2px solid var(--caramel-deep); border-bottom: 2px solid var(--caramel-deep); transform: rotate(-45deg); }

/* ==========================================================================
   数字步骤
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.step-item { text-align: center; position: relative; }
.step-item .step-circle { width: 84px; height: 84px; border-radius: 50%; background: var(--white); border: 2px dashed var(--caramel-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 22px; font-size: 28px; font-family: var(--font-en); font-weight: 700; color: var(--caramel-deep); position: relative; z-index: 2; transition: all .4s ease; }
.step-item:hover .step-circle { background: linear-gradient(135deg, var(--caramel), var(--caramel-deep)); color: #fff; border-color: var(--caramel-deep); transform: scale(1.05); }
.step-item h4 { font-size: 18px; margin-bottom: 8px; }
.step-item p { font-size: 13.5px; color: var(--muted); padding: 0 10px; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); margin-bottom: 16px; overflow: hidden; transition: all .3s ease; }
.faq-item.open { box-shadow: var(--sh-md); border-color: var(--caramel-light); }
.faq-q { width: 100%; text-align: left; padding: 22px 26px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 16px; font-weight: 600; color: var(--ink); }
.faq-q .faq-icon { width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: var(--cream-2); display: flex; align-items: center; justify-content: center; color: var(--caramel-deep); transition: transform .3s ease; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: linear-gradient(135deg, var(--caramel), var(--caramel-deep)); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 26px 24px; color: var(--muted); font-size: 14.5px; line-height: 1.9; }

/* ==========================================================================
   价格表
   ========================================================================== */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.price-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 42px 34px; text-align: center; transition: all .4s ease; position: relative; }
.price-card.featured { border-color: var(--caramel-light); box-shadow: var(--sh-md); transform: translateY(-8px); }
.price-card .price-tag { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); padding: 5px 18px; background: linear-gradient(135deg, var(--brass), var(--brass-deep)); color: var(--ink); border-radius: var(--r-pill); font-size: 12px; font-weight: 700; }
.price-card h3 { font-size: 22px; margin-bottom: 8px; }
.price-card .price-desc { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.price-card .price-num { font-size: 44px; color: var(--caramel-deep); font-family: var(--font-en); font-weight: 700; line-height: 1; margin-bottom: 6px; }
.price-card .price-unit { font-size: 13px; color: var(--muted); margin-bottom: 26px; }
.price-card ul { text-align: left; margin-bottom: 28px; }
.price-card ul li { padding: 9px 0; font-size: 14px; color: var(--body); border-bottom: 1px dashed var(--line); display: flex; align-items: center; gap: 10px; }
.price-card ul li::before { content: "✓"; color: var(--brass-deep); font-weight: 700; }

/* ==========================================================================
   联系页
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.contact-info-card { background: linear-gradient(135deg, var(--ink), var(--caramel-ink)); color: var(--cream); border-radius: var(--r-lg); padding: 46px 40px; }
.contact-info-card h3 { color: #fff; font-size: 24px; margin-bottom: 24px; }
.contact-info-card .ci-item { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info-card .ci-ico { width: 46px; height: 46px; border-radius: 50%; background: rgba(201,163,92,.18); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-card .ci-body p { color: rgba(246,233,206,.65); font-size: 12.5px; margin-bottom: 4px; }
.contact-info-card .ci-body strong { color: #fff; font-size: 16px; }
.contact-form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 42px 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13px; color: var(--body); margin-bottom: 8px; font-weight: 600; }
.form-field input, .form-field textarea, .form-field select { width: 100%; padding: 13px 16px; border: 1px solid var(--line); border-radius: var(--r-sm); font-family: inherit; font-size: 14px; color: var(--ink); background: var(--cream); transition: all .3s ease; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--caramel-light); background: #fff; box-shadow: 0 0 0 3px rgba(154,106,60,.1); }
.form-field textarea { resize: vertical; min-height: 110px; }
.form-tip { font-size: 13px; margin-top: 10px; min-height: 18px; }

/* ==========================================================================
   团队页
   ========================================================================== */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.team-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; transition: all .4s ease; }
.team-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.team-card .t-photo { height: 240px; overflow: hidden; position: relative; }
.team-card .t-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.team-card:hover .t-photo img { transform: scale(1.05); }
.team-card .t-info { padding: 22px 20px; text-align: center; }
.team-card .t-info h4 { font-size: 18px; margin-bottom: 4px; }
.team-card .t-info .t-role { font-size: 12.5px; color: var(--brass-deep); margin-bottom: 10px; letter-spacing: 1px; }
.team-card .t-info p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ==========================================================================
   时间线
   ========================================================================== */
.timeline { position: relative; max-width: 840px; margin: 0 auto; padding-left: 42px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--brass), var(--caramel-light)); }
.tl-item { position: relative; padding-bottom: 42px; }
.tl-item::before { content: ""; position: absolute; left: -42px; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--white); border: 3px solid var(--caramel); z-index: 2; }
.tl-item .tl-year { font-size: 22px; font-family: var(--font-en); font-weight: 700; color: var(--caramel-deep); margin-bottom: 6px; }
.tl-item h4 { font-size: 18px; margin-bottom: 8px; }
.tl-item p { font-size: 14px; color: var(--muted); }

/* ==========================================================================
   口碑评价
   ========================================================================== */
.tst-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tst-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 32px 28px; position: relative; transition: all .4s ease; }
.tst-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.tst-card .tst-quote { font-size: 48px; color: var(--cream-3); font-family: var(--font-en); line-height: 1; margin-bottom: 12px; }
.tst-card .tst-text { font-size: 14.5px; color: var(--body); line-height: 1.9; margin-bottom: 22px; }
.tst-card .tst-foot { display: flex; align-items: center; gap: 14px; padding-top: 18px; border-top: 1px dashed var(--line); }
.tst-card .tst-foot .tst-avatar { width: 46px; height: 46px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.tst-card .tst-foot .tst-avatar img { width: 100%; height: 100%; object-fit: cover; }
.tst-card .tst-foot .tst-name { font-size: 15px; font-weight: 600; color: var(--ink); }
.tst-card .tst-foot .tst-company { font-size: 12.5px; color: var(--caramel-light); }
.tst-card .tst-stars { color: var(--brass); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }

/* ==========================================================================
   资质荣誉
   ========================================================================== */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.honor-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; transition: all .4s ease; }
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.honor-card .h-img { height: 260px; overflow: hidden; background: var(--cream-2); }
.honor-card .h-img img { width: 100%; height: 100%; object-fit: cover; }
.honor-card .h-body { padding: 22px 22px; }
.honor-card .h-body .h-year { font-size: 12px; color: var(--brass-deep); letter-spacing: 2px; font-family: var(--font-en); margin-bottom: 6px; }
.honor-card .h-body h4 { font-size: 17px; margin-bottom: 6px; }
.honor-card .h-body p { font-size: 13px; color: var(--muted); }

/* ==========================================================================
   响应式组件
   ========================================================================== */
@media (max-width: 1100px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid > .adv-card:nth-child(2), .adv-grid > .adv-card:nth-child(4) { transform: none; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid > .case-card:nth-child(3n+2) { transform: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 46px; }
  .svc-row { grid-template-columns: 1fr; gap: 36px; }
  .svc-row.reverse .svc-media { order: 0; }
  .svc-media img { height: 320px; }
  .svc-overview { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 30px; }
  .spec-grid, .metric-row, .team-grid, .honor-grid, .tst-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .hero { min-height: auto; padding: 80px 0 60px; }
  .hero h1 { font-size: 32px; }
  .hero .hero-sub { font-size: 15px; }
  .hero-stats { gap: 26px; }
  .hero-stats .stat strong { font-size: 28px; }
  .adv-grid, .case-grid, .grid-2, .grid-3, .grid-4, .spec-grid, .metric-row, .team-grid, .honor-grid, .tst-grid, .svc-overview { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item .n-thumb { min-height: 180px; }
  .news-item .n-body { padding: 18px 20px 22px; }
  .svc-feat { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .split-block { grid-template-columns: 1fr; gap: 30px; }
  .split-block.reverse .split-img { order: 0; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .adv-row { grid-template-columns: 1fr; gap: 14px; }
}