/* ============================================================
   爱科工业建站 · icman.com.cn
   组件样式
   ============================================================ */

/* ---------- 首页全屏 Banner ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
  background:var(--bg-paper);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(115deg,var(--bg-dark) 0%,transparent 45%),
    linear-gradient(135deg,var(--bg-iron) 0%,var(--bg-paper) 60%);
}
.hero::after{
  content:"";position:absolute;top:0;right:0;width:45%;height:100%;
  background:
    repeating-linear-gradient(110deg,transparent,transparent 28px,rgba(232,196,31,.06) 28px,rgba(232,196,31,.06) 30px),
    repeating-linear-gradient(110deg,transparent,transparent 28px,rgba(74,74,76,.04) 28px,rgba(74,74,76,.04) 29px);
  z-index:0;transform:skewX(-20deg);
}
.hero .hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero .hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border:2px solid var(--yellow);
  background:rgba(26,26,28,.9);color:var(--yellow);
  font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:28px;
  font-family:var(--font-mono);
  clip-path:polygon(6px 0,100% 0,calc(100% - 6px) 100%,0 100%);
}
.hero .hero-badge .dot{width:8px;height:8px;background:var(--yellow);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{
  font-size:clamp(42px,5.8vw,76px);font-weight:900;line-height:1.1;
  letter-spacing:-1px;color:var(--ink);margin-bottom:24px;
}
.hero h1 em{font-style:normal;color:var(--yellow);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:14px;background:var(--yellow-soft);z-index:-1;transform:skewX(-3deg);opacity:.7}
.hero .lead{font-size:18px;color:var(--ink-soft);max-width:560px;margin-bottom:36px;line-height:1.9}
.hero .hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero .hero-stats{display:flex;gap:48px;flex-wrap:wrap}
.hero .hero-stat{position:relative;padding-left:24px}
.hero .hero-stat::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--yellow)}
.hero .hero-stat .num{font-size:42px;font-weight:900;color:var(--bg-dark);line-height:1}
.hero .hero-stat .num em{font-size:20px;font-style:normal;color:var(--yellow-deep);font-weight:800;margin-left:2px}
.hero .hero-stat .lbl{font-size:12px;color:var(--ink-soft);margin-top:8px;letter-spacing:2px;text-transform:uppercase}

.hero-visual{position:relative;height:540px}
.hero-visual .hv-main{
  position:absolute;inset:0 0 0 12%;border-radius:0;overflow:hidden;
  box-shadow:var(--shadow-l);border:3px solid var(--bg-dark);
  transform:skewX(-2deg);transform-origin:bottom;
}
.hero-visual .hv-main img{width:100%;height:100%;object-fit:cover}
.hero-visual .hv-card{
  position:absolute;bottom:-22px;left:-24px;width:240px;
  background:var(--bg-dark);color:#fff;padding:20px;
  box-shadow:var(--shadow-m);display:flex;gap:14px;align-items:center;z-index:3;
  clip-path:polygon(0 0,100% 0,calc(100% - 10px) 100%,0 100%);
  border-top:3px solid var(--yellow);
}
.hero-visual .hv-card .hv-ico{
  width:48px;height:48px;flex-shrink:0;
  background:var(--yellow);color:var(--bg-dark);
  display:flex;align-items:center;justify-content:center;
}
.hero-visual .hv-card .hv-ico svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2.2}
.hero-visual .hv-card .hv-tx strong{display:block;font-size:16px;font-weight:800;color:var(--yellow)}
.hero-visual .hv-card .hv-tx span{font-size:12px;color:#8A877F;letter-spacing:1px}
.hero-visual .hv-chip{
  position:absolute;top:24px;right:-18px;
  background:var(--bg-dark);color:var(--yellow);
  padding:14px 20px;text-align:center;z-index:3;
  border:2px solid var(--yellow);
  transform:rotate(-3deg);
  clip-path:polygon(0 0,100% 0,calc(100% - 8px) 100%,0 100%);
}
.hero-visual .hv-chip strong{display:block;font-size:28px;font-weight:900;line-height:1}
.hero-visual .hv-chip span{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:#8A877F}

.hero-floats{position:absolute;inset:0;pointer-events:none;z-index:1}
.hero-floats span{position:absolute;opacity:.6;animation:floaty 8s ease-in-out infinite}
.hero-floats span:nth-child(1){width:60px;height:60px;border:3px solid var(--yellow);top:15%;left:6%;transform:rotate(15deg);animation-delay:0s}
.hero-floats span:nth-child(2){width:36px;height:36px;background:var(--yellow);top:65%;left:10%;transform:rotate(45deg);animation-delay:1.5s}
.hero-floats span:nth-child(3){width:24px;height:24px;border:2px solid var(--iron);top:35%;right:8%;transform:rotate(0);animation-delay:3s}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(15deg)}50%{transform:translateY(-22px) rotate(25deg)}}

/* ---------- 信任徽标条 ---------- */
.trust-bar{
  padding:32px 0;background:var(--bg-dark);border-top:3px solid var(--yellow);border-bottom:3px solid var(--yellow);
}
.trust-bar .trust-grid{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.trust-bar .trust-item{
  display:flex;align-items:center;gap:10px;color:#8A877F;font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;
  transition:color .3s;
}
.trust-bar .trust-item:hover{color:var(--yellow)}
.trust-bar .trust-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6}

/* ---------- 服务/优势网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:36px}

.icon-box{
  background:var(--bg-paper);padding:40px 32px;
  box-shadow:var(--shadow-s);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  position:relative;overflow:hidden;border-top:3px solid var(--iron);
}
.icon-box::after{
  content:"";position:absolute;bottom:0;left:0;width:40px;height:3px;
  background:var(--yellow);transition:width .5s var(--ease);
}
.icon-box:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.icon-box:hover::after{width:100%}
.icon-box .ib-ico{
  width:64px;height:64px;margin-bottom:24px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-dark);color:var(--yellow);
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  transition:transform .5s var(--ease);
}
.icon-box:hover .ib-ico{transform:rotate(-4deg) scale(1.05);background:var(--yellow);color:var(--bg-dark)}
.icon-box .ib-ico svg{width:32px;height:32px;stroke:currentColor;fill:none;stroke-width:1.6}
.icon-box h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:12px;letter-spacing:-.3px}
.icon-box p{font-size:14px;color:var(--ink-soft);line-height:1.85}
.icon-box .ib-more{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--iron);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:1px}
.icon-box .ib-more svg{width:15px;height:15px;stroke:var(--yellow);fill:none;stroke-width:2;transition:transform .3s}
.icon-box:hover .ib-more svg{transform:translateX(4px)}

/* ---------- 特色图文交错 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.feature-row.rev .feature-media{order:2}
.feature-media{
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-m);border:3px solid var(--bg-dark);
}
.feature-media img{width:100%;height:480px;object-fit:cover;transition:transform .8s var(--ease)}
.feature-row:hover .feature-media img{transform:scale(1.05)}
.feature-media .fm-tag{
  position:absolute;bottom:20px;left:20px;
  background:var(--yellow);color:var(--bg-dark);
  padding:10px 20px;font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;
  clip-path:polygon(0 0,100% 0,calc(100% - 8px) 100%,0 100%);
}
.feature-text .ft-eyebrow{
  display:inline-flex;align-items:center;gap:10px;color:var(--yellow-deep);
  font-size:12px;font-weight:800;letter-spacing:3px;text-transform:uppercase;margin-bottom:18px;
  font-family:var(--font-mono);
}
.feature-text .ft-eyebrow::before{content:"";width:30px;height:2px;background:var(--yellow)}
.feature-text h2{font-size:clamp(28px,3.2vw,40px);font-weight:900;color:var(--ink);line-height:1.25;margin-bottom:18px}
.feature-text h2 em{font-style:normal;color:var(--yellow)}
.feature-text p{color:var(--ink-soft);margin-bottom:18px;font-size:15px}
.feature-text .ft-list{margin:24px 0}
.feature-text .ft-list li{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px;font-size:15px;color:var(--ink);position:relative;padding-left:0}
.feature-text .ft-list li::before{
  content:"";width:18px;height:18px;flex-shrink:0;margin-top:2px;
  background:var(--yellow);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}

/* ---------- 数据统计条 ---------- */
.stats-band{
  background:linear-gradient(120deg,var(--bg-dark),var(--bg-charcoal));
  color:#fff;padding:56px 60px;position:relative;overflow:hidden;
  border:3px solid var(--yellow);
}
.stats-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 34px,rgba(232,196,31,.05) 34px,rgba(232,196,31,.05) 35px);
}
.stats-band::after{
  content:"";position:absolute;top:-60px;right:-60px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(232,196,31,.15),transparent 70%);
}
.stats-band .sb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;z-index:2}
.stats-band .sb-item{text-align:center;position:relative}
.stats-band .sb-item::after{content:"";position:absolute;right:0;top:20%;bottom:20%;width:1px;background:rgba(232,196,31,.2)}
.stats-band .sb-item:last-child::after{display:none}
.stats-band .sb-item .num{font-size:clamp(36px,4vw,54px);font-weight:900;line-height:1;color:var(--yellow)}
.stats-band .sb-item .num em{font-size:20px;font-style:normal;color:#fff}
.stats-band .sb-item .lbl{font-size:12px;color:#8A877F;margin-top:10px;letter-spacing:2px;text-transform:uppercase;font-family:var(--font-mono)}

/* ---------- 案例/作品网格 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{
  overflow:hidden;background:var(--bg-paper);
  box-shadow:var(--shadow-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  border-top:4px solid var(--iron);
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-top-color:var(--yellow)}
.case-card .cc-img{position:relative;overflow:hidden;aspect-ratio:4/3}
.case-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.case-card:hover .cc-img img{transform:scale(1.07)}
.case-card .cc-img .cc-cat{
  position:absolute;top:14px;left:14px;
  background:var(--bg-dark);color:var(--yellow);
  padding:6px 14px;font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;
  clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%);
}
.case-card .cc-img .cc-overlay{
  position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(26,26,28,.85));
  opacity:0;transition:opacity .4s var(--ease);
  display:flex;align-items:flex-end;padding:24px;
}
.case-card:hover .cc-img .cc-overlay{opacity:1}
.case-card .cc-img .cc-overlay .cc-link{color:var(--yellow);font-weight:800;display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.case-card .cc-body{padding:24px 26px;border-bottom:3px solid transparent;transition:border-color .3s}
.case-card:hover .cc-body{border-bottom-color:var(--yellow)}
.case-card .cc-body h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px}
.case-card .cc-body p{font-size:14px;color:var(--ink-soft);line-height:1.7}
.case-card .cc-meta{display:flex;gap:14px;margin-top:14px;font-size:12px;color:var(--ink-faint);letter-spacing:1px}

/* ---------- 资讯/文章列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{
  background:var(--bg-paper);overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  display:flex;flex-direction:column;border-top:4px solid var(--iron);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-top-color:var(--yellow)}
.news-card .nc-img{overflow:hidden;aspect-ratio:16/10}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.news-card:hover .nc-img img{transform:scale(1.07)}
.news-card .nc-body{padding:24px;flex:1;display:flex;flex-direction:column}
.news-card .nc-meta{display:flex;gap:14px;align-items:center;margin-bottom:12px;font-size:12px;color:var(--ink-faint);letter-spacing:1px;text-transform:uppercase}
.news-card .nc-meta .nc-cat{color:var(--yellow-deep);font-weight:800;background:var(--yellow-tint);padding:4px 10px}
.news-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.4}
.news-card p{font-size:14px;color:var(--ink-soft);line-height:1.7;flex:1}
.news-card .nc-more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;color:var(--iron);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:1px}
.news-card .nc-more svg{width:14px;height:14px;stroke:var(--yellow);fill:none;stroke-width:2;transition:transform .3s}
.news-card:hover .nc-more{color:var(--yellow-deep)}
.news-card:hover .nc-more svg{transform:translateX(4px)}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--bg-dark),var(--bg-charcoal));
  color:#fff;padding:60px;text-align:center;position:relative;overflow:hidden;
  border:3px solid var(--yellow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent,transparent 14px,rgba(232,196,31,.04) 14px,rgba(232,196,31,.04) 15px);
}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:900;margin-bottom:14px;position:relative;z-index:2}
.cta-band h2 em{font-style:normal;color:var(--yellow)}
.cta-band p{color:#8A877F;max-width:600px;margin:0 auto 28px;font-size:15px;position:relative;z-index:2}
.cta-band .cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 价格方案 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.price-card{
  background:var(--bg-paper);padding:44px 32px;
  box-shadow:var(--shadow-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  border-top:4px solid var(--iron);position:relative;
}
.price-card.featured{border-top-color:var(--yellow);transform:scale(1.04);box-shadow:var(--shadow-m)}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.price-card.featured:hover{transform:scale(1.02)}
.price-card .pc-badge{
  position:absolute;top:-16px;right:24px;background:var(--yellow);color:var(--bg-dark);
  padding:6px 16px;font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;
  clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%);
}
.price-card h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:14px}
.price-card .pc-price{margin-bottom:24px}
.price-card .pc-price .num{font-size:48px;font-weight:900;color:var(--bg-dark)}
.price-card .pc-price .num em{font-size:20px;font-style:normal;color:var(--yellow-deep)}
.price-card .pc-price .lbl{font-size:13px;color:var(--ink-soft);letter-spacing:1px}
.price-card ul{margin-bottom:28px}
.price-card ul li{padding:10px 0;border-bottom:1px dashed var(--line-soft);font-size:14px;color:var(--ink-soft);display:flex;align-items:center;gap:10px}
.price-card ul li::before{content:"✓";color:var(--yellow-deep);font-weight:700;flex-shrink:0}
.price-card ul li.dim{color:var(--ink-faint)}
.price-card ul li.dim::before{content:"✗";color:var(--ink-faint)}

/* ---------- 资讯列表 ---------- */
.news-list-h .nlh-item{
  display:grid;grid-template-columns:280px 1fr;gap:32px;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background .3s;
}
.news-list-h .nlh-item:first-child{border-top:2px solid var(--iron)}
.news-list-h .nlh-item:hover{background:var(--bg-iron);margin:0 -16px;padding-left:16px;padding-right:16px}
.news-list-h .nlh-item:hover .nlh-img img{transform:scale(1.05)}
.news-list-h .nlh-img{overflow:hidden}
.news-list-h .nlh-img img{width:100%;height:180px;object-fit:cover;transition:transform .6s}
.news-list-h .nlh-body{padding:12px 0}
.news-list-h .nlh-meta{display:flex;gap:18px;font-size:12px;color:var(--ink-faint);margin-bottom:10px;letter-spacing:1px;text-transform:uppercase;font-family:var(--font-mono)}
.news-list-h .nlh-cat{color:var(--yellow-deep);font-weight:800;background:var(--yellow-tint);padding:3px 10px}
.news-list-h h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.4}
.news-list-h p{font-size:14px;color:var(--ink-soft);line-height:1.8}

/* ---------- 文章详情 ---------- */
.article-head{padding:40px 0 28px;text-align:center}
.article-head .ah-cat{
  display:inline-block;background:var(--yellow);color:var(--bg-dark);
  padding:6px 18px;font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;margin-bottom:24px;
  clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%);
}
.article-head h1{font-size:clamp(26px,3vw,40px);font-weight:900;color:var(--ink);line-height:1.3;margin-bottom:18px}
.article-head .ah-meta{display:flex;gap:28px;justify-content:center;font-size:13px;color:var(--ink-faint);flex-wrap:wrap}
.article-head .ah-meta span{display:flex;gap:8px;align-items:center}
.article-head .ah-meta svg{width:16px;height:16px;stroke:var(--yellow-deep);fill:none;stroke-width:1.6}

.article-layout{display:grid;grid-template-columns:1fr 340px;gap:48px;padding:28px 0}
.article-body{
  background:#fff;padding:48px 52px;
  box-shadow:var(--shadow-s);border-left:4px solid var(--yellow);
}
.article-body img{width:100%;margin-bottom:28px;border:2px solid var(--line)}
.article-body p{font-size:16px;color:var(--ink);line-height:2;margin-bottom:18px}
.article-body h2{font-size:22px;font-weight:800;color:var(--ink);margin:36px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--yellow)}
.article-body h3{font-size:18px;font-weight:700;color:var(--iron-deep);margin:24px 0 12px}
.article-body ul,.article-body ol{margin:16px 0;padding-left:20px}
.article-body li{font-size:15px;color:var(--ink-soft);margin-bottom:8px;line-height:1.8}
.article-body ul li::before{content:"▪";color:var(--yellow-deep);margin-right:8px}
.article-tags{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;gap:12px;flex-wrap:wrap}
.article-tags a{
  font-size:13px;color:var(--iron);background:var(--bg-iron);
  padding:6px 16px;font-weight:600;border:1px solid var(--line);transition:all .3s;
}
.article-tags a:hover{background:var(--yellow);color:var(--bg-dark);border-color:var(--yellow)}

.sidebar{position:sticky;top:100px;align-self:start}
.sb-block{background:var(--bg-paper);padding:28px;box-shadow:var(--shadow-s);margin-bottom:24px;border-top:3px solid var(--yellow)}
.sb-block h4{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:18px;letter-spacing:2px;text-transform:uppercase;font-family:var(--font-mono);display:flex;align-items:center;gap:10px}
.sb-block h4::before{content:"";width:24px;height:2px;background:var(--yellow)}
.sb-pop{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line-soft);transition:background .3s}
.sb-pop:last-child{border-bottom:none}
.sb-pop:hover{background:var(--bg-iron);margin:0 -12px;padding:14px 12px}
.sb-pop .sbp-img{width:84px;height:64px;flex-shrink:0;overflow:hidden;background:var(--bg-steel)}
.sb-pop .sbp-img img{width:100%;height:100%;object-fit:cover}
.sb-pop .sbp-tx h5{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:4px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sb-pop .sbp-tx span{font-size:11px;color:var(--ink-faint);letter-spacing:1px;font-family:var(--font-mono)}
.sb-cat li a{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--line-soft);font-size:14px;color:var(--ink-soft);transition:color .3s}
.sb-cat li a:hover{color:var(--yellow-deep)}
.sb-cat li a span{font-size:12px;color:var(--ink-faint);background:var(--bg-iron);padding:2px 10px}

/* ---------- 表单 ---------- */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px;letter-spacing:1px;text-transform:uppercase}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:14px 18px;border:2px solid var(--line);
  background:#fff;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .3s,box-shadow .3s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--yellow);
  box-shadow:4px 4px 0 var(--yellow);
}
.form-group textarea{resize:vertical;min-height:140px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--bg-paper);margin-bottom:14px;
  border-top:3px solid var(--iron);box-shadow:var(--shadow-s);
}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:22px 28px;font-size:16px;font-weight:700;color:var(--ink);text-align:left;
  transition:color .3s;
}
.faq-q::after{content:"+";font-size:26px;font-weight:400;color:var(--yellow-deep);transition:transform .3s;flex-shrink:0;margin-left:16px}
.faq-item.open .faq-q{color:var(--yellow-deep)}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{padding:0 28px 0;max-height:0;overflow:hidden;transition:max-height .4s var(--ease),padding .4s var(--ease);background:var(--bg-iron)}
.faq-item.open .faq-a{max-height:400px;padding:0 28px 22px}
.faq-a p{font-size:15px;color:var(--ink-soft);line-height:1.85}

/* ---------- 服务步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{
  background:var(--bg-paper);padding:32px 26px;position:relative;
  border-top:4px solid var(--iron);box-shadow:var(--shadow-s);
}
.step-card::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-mono);font-size:48px;font-weight:900;color:rgba(232,196,31,.3);position:absolute;right:16px;top:14px;line-height:1}
.step-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px}
.step-card p{font-size:14px;color:var(--ink-soft);line-height:1.75}

/* ---------- 客户墙 ---------- */
.clients-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:2px}
.clients-wall .cw-item{
  aspect-ratio:1;background:var(--bg-paper);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--ink-faint);font-weight:700;letter-spacing:2px;
  border:1px solid var(--line);transition:all .3s;
}
.clients-wall .cw-item:hover{background:var(--bg-dark);color:var(--yellow);border-color:var(--yellow)}

/* ---------- 荣誉/资质 ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.honor-card{
  background:var(--bg-paper);padding:30px 24px;text-align:center;
  border-top:4px solid var(--yellow);box-shadow:var(--shadow-s);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.honor-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.honor-card .hc-ico{
  width:72px;height:72px;margin:0 auto 16px;
  background:var(--bg-dark);color:var(--yellow);
  display:flex;align-items:center;justify-content:center;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}
.honor-card .hc-ico svg{width:30px;height:30px;stroke:currentColor;fill:none;stroke-width:1.6}
.honor-card h3{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:6px}
.honor-card p{font-size:12px;color:var(--ink-faint);letter-spacing:1px}

/* ---------- 团队 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.team-card{
  overflow:hidden;background:var(--bg-paper);
  box-shadow:var(--shadow-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  border-top:4px solid var(--iron);
}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l)}
.team-card .tc-img{aspect-ratio:3/4;overflow:hidden}
.team-card .tc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.team-card:hover .tc-img img{transform:scale(1.05)}
.team-card .tc-info{padding:20px 22px}
.team-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:4px}
.team-card .tc-role{font-size:12px;color:var(--yellow-deep);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-family:var(--font-mono)}
.team-card p{font-size:13px;color:var(--ink-soft);margin-top:10px;line-height:1.7}

/* ---------- 评价 ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.testi-card{
  background:var(--bg-paper);padding:36px 32px;
  border-top:4px solid var(--yellow);box-shadow:var(--shadow-s);position:relative;
}
.testi-card::before{
  content:"""";position:absolute;top:-12px;left:24px;
  font-size:72px;font-weight:900;color:var(--yellow);line-height:1;font-family:Georgia,serif;
}
.testi-card p{font-size:15px;color:var(--ink);line-height:1.9;margin-bottom:20px;position:relative;z-index:1}
.testi-card .tc-who{display:flex;align-items:center;gap:14px}
.testi-card .tc-avatar{width:48px;height:48px;border-radius:50%;background:var(--bg-dark);border:2px solid var(--yellow)}
.testi-card .tc-name{font-weight:800;color:var(--ink);font-size:14px}
.testi-card .tc-title{font-size:12px;color:var(--ink-faint);letter-spacing:1px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .ci-item{display:flex;gap:16px;margin-bottom:24px;padding:18px;background:var(--bg-paper);border-top:3px solid var(--iron)}
.contact-info .ci-icon{
  width:48px;height:48px;flex-shrink:0;background:var(--bg-dark);color:var(--yellow);
  display:flex;align-items:center;justify-content:center;
}
.contact-info .ci-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8}
.contact-info h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:18px}
.contact-info .ci-item h4{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:4px;letter-spacing:1px;text-transform:uppercase}
.contact-info .ci-item p{font-size:14px;color:var(--ink-soft)}

/* ---------- Sitemap ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.sitemap-col h4{font-size:14px;font-weight:800;color:var(--bg-dark);margin-bottom:16px;letter-spacing:2px;text-transform:uppercase;padding-bottom:10px;border-bottom:3px solid var(--yellow)}
.sitemap-col ul li{margin-bottom:8px}
.sitemap-col ul li a{font-size:14px;color:var(--ink-soft);transition:color .3s,padding .3s;display:inline-block}
.sitemap-col ul li a:hover{color:var(--yellow-deep);padding-left:6px}