/* =====================================================================
   干活呗财税官网 - 首页模块样式
   ===================================================================== */

/* ---- 首屏 Banner 轮播 ---- */
.hero { position: relative; height: 620px; overflow: hidden; background: var(--primary-dark); }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
  display: flex; align-items: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide .bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.hero-slide .bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,36,97,.92), rgba(15,36,97,.55)); }
.hero-slide .container { position: relative; z-index: 2; color: #fff; }
.hero-tag { display: inline-block; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.3); padding: 6px 16px; border-radius: 30px; font-size: 13px; margin-bottom: 24px; backdrop-filter: blur(4px); }
.hero-slide h1 { font-size: 46px; font-weight: 800; line-height: 1.25; max-width: 640px; margin-bottom: 20px; }
.hero-slide p { font-size: 18px; color: rgba(255,255,255,.9); max-width: 520px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 32px; left: 0; right: 0; z-index: 3; display: flex; justify-content: center; gap: 10px; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.4); transition: .3s; }
.hero-dots button.active { background: #fff; width: 28px; border-radius: 6px; }

/* ---- 核心业务板块 ---- */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.biz-card { padding: 28px; text-align: left; }
.biz-card .icon-wrap {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-light), var(--primary)); color: #fff; font-size: 24px; margin-bottom: 20px;
}
.biz-card h3 { font-size: 19px; margin-bottom: 10px; color: var(--gray-900); }
.biz-card p { color: var(--gray-500); font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.biz-card .more { color: var(--primary-light); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.biz-card .more:hover { gap: 8px; }

/* ---- 计算器 ---- */
.calc-wrap { background: linear-gradient(135deg, #1e3a8a, #2563eb); border-radius: 20px; padding: 56px 48px; color: #fff; }
.calc-wrap h2 { font-size: 30px; margin-bottom: 8px; }
.calc-wrap .sub { color: rgba(255,255,255,.8); margin-bottom: 36px; }
.calc-form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.calc-wrap .form-group label { color: rgba(255,255,255,.9); }
.calc-wrap .form-control { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); color: #fff; }
.calc-wrap .form-control::placeholder { color: rgba(255,255,255,.5); }
.calc-wrap .form-control:focus { border-color: #fff; }
.calc-wrap select.form-control option { color: var(--gray-900); }
.calc-result { margin-top: 40px; display: none; background: rgba(255,255,255,.08); border-radius: 14px; padding: 32px; border: 1px solid rgba(255,255,255,.15); }
.calc-result.show { display: block; animation: fadeUp .4s ease; }
.calc-result h3 { font-size: 22px; margin-bottom: 20px; }
.calc-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.calc-metric { background: rgba(255,255,255,.08); padding: 20px; border-radius: 12px; text-align: center; }
.calc-metric .val { font-size: 28px; font-weight: 800; color: #fbbf24; }
.calc-metric .lbl { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 6px; }
.calc-sugg { margin-bottom: 24px; }
.calc-sugg h4 { margin-bottom: 12px; font-size: 16px; color: #fbbf24; }
.calc-sugg li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 14px; color: rgba(255,255,255,.85); }
.calc-disclaimer { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 16px; border-top: 1px solid rgba(255,255,255,.15); padding-top: 16px; }
.calc-result .btn-group { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }

/* ---- 差异化优势 ---- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card { padding: 32px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border-top: 3px solid var(--primary-light); }
.adv-card .icon-wrap { width: 52px; height: 52px; border-radius: 50%; background: var(--gray-100); color: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 18px; }
.adv-card h3 { font-size: 18px; margin-bottom: 10px; }
.adv-card p { color: var(--gray-500); font-size: 14px; }

/* ---- 客户案例 ---- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card img { width: 100%; height: 200px; object-fit: cover; }
.case-card .body { padding: 24px; }
.case-card .tag { display: inline-block; background: var(--gray-100); color: var(--primary-light); font-size: 12px; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; }
.case-card h3 { font-size: 17px; margin-bottom: 8px; }
.case-card p { color: var(--gray-500); font-size: 14px; }
.case-card .more { color: var(--primary-light); font-size: 13px; font-weight: 600; margin-top: 12px; display: inline-block; }

/* ---- 资讯 ---- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { padding: 24px; }
.news-card .type { display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 12px; background: var(--gray-100); color: var(--gray-500); margin-bottom: 12px; }
.news-card .type.video { background: #fee2e2; color: var(--accent-red); }
.news-card h3 { font-size: 16px; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { color: var(--gray-500); font-size: 13px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .date { color: var(--gray-300); font-size: 12px; margin-top: 12px; }

/* ---- 咨询表单 ---- */
.consult-wrap { background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); overflow: hidden; display: grid; grid-template-columns: 1fr 1.2fr; }
.consult-left { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; padding: 48px; }
.consult-left h3 { font-size: 26px; margin-bottom: 16px; }
.consult-left p { color: rgba(255,255,255,.85); margin-bottom: 8px; }
.consult-left .contact-item { display: flex; align-items: center; gap: 12px; margin-top: 24px; font-size: 16px; font-weight: 600; }
.consult-right { padding: 48px; }

/* ---- 优势栏(蓝色横条) ---- */
.trust-bar { background: var(--primary); color: #fff; padding: 28px 0; }
.trust-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.trust-bar .item { display: flex; align-items: center; gap: 16px; }
.trust-bar .num { font-size: 34px; font-weight: 800; color: #fbbf24; }
.trust-bar .text { font-size: 14px; color: rgba(255,255,255,.85); }

/* 动画 */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .biz-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-form-grid { grid-template-columns: 1fr 1fr; }
  .calc-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .hero { height: 520px; }
  .hero-slide h1 { font-size: 30px; }
  .hero-slide p { font-size: 15px; }
  .biz-grid, .case-grid, .news-grid, .adv-grid { grid-template-columns: 1fr; }
  .calc-wrap { padding: 36px 20px; }
  .calc-form-grid { grid-template-columns: 1fr; }
  .calc-metrics { grid-template-columns: 1fr 1fr; }
  .consult-wrap { grid-template-columns: 1fr; }
  .consult-left, .consult-right { padding: 32px 24px; }
  .section-head h2 { font-size: 24px; }
}