/* =========================================================
   小院儿建站 · 网站搭建服务
   设计延续 Beetyard 原站风格：深绿 #004439 + 明黄 #d5d52c
   ========================================================= */

:root {
  --primary: #004439;
  --primary-dark: #00332b;
  --primary-light: #0a5a4b;
  --accent: #d5d52c;
  --accent-soft: #f3f3a0;
  --accent2: #fd961e;
  --ink: #0c0c0d;
  --muted: #45474f;
  --bg: #fafafa;
  --line: #eaeaec;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 68, 57, 0.10);
  --font-head: "Oswald", "Space Grotesk", "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }
.section { padding: 84px 0; }
.section-tight { padding: 56px 0; }

/* ---------- 通用标题 ---------- */
.sec-head { max-width: 680px; margin-bottom: 46px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--primary); font-size: 13px;
  margin-bottom: 12px;
}
.sec-eyebrow::before { content: ""; width: 26px; height: 3px; background: var(--accent); border-radius: 2px; }
.sec-head.center .sec-eyebrow::after { content: ""; width: 26px; height: 3px; background: var(--accent); border-radius: 2px; }
.sec-title { font-family: var(--font-head); font-size: clamp(26px, 4vw, 40px); font-weight: 700; line-height: 1.3; }
.sec-sub { color: var(--muted); margin-top: 14px; font-size: 16px; }
.sec-title .hl { color: var(--accent2); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  padding: 13px 28px; border-radius: 999px; cursor: pointer;
  border: 2px solid transparent; transition: all .25s ease;
  letter-spacing: .5px;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-soft); transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.6); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); }
.btn-outline { border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(0, 68, 57, 0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 18px rgba(0,0,0,.18);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--white); }
.logo .logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent); display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: 20px; color: var(--primary-dark);
}
.logo .logo-name { font-family: var(--font-head); font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.logo .logo-sub { display: block; font-size: 11px; color: rgba(255,255,255,.75); letter-spacing: 2px; }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a { color: rgba(255,255,255,.88); font-size: 15px; font-weight: 500; position: relative; padding: 6px 0; }
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); }
.nav-menu a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--accent);
}
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 420px at 82% -8%, rgba(213,213,44,.22), transparent 60%),
    radial-gradient(700px 380px at -6% 108%, rgba(253,150,30,.16), transparent 55%),
    linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 55%, #055544 100%);
  color: var(--white); padding: 96px 0 84px;
}
.hero-grid {
  position: absolute; inset: 0; opacity: .07;
  background-image: linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, #000 40%, transparent);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(213,213,44,.16); border: 1px solid rgba(213,213,44,.45);
  color: var(--accent-soft); font-size: 13px; font-weight: 600; letter-spacing: 1px;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-head); font-size: clamp(34px, 5.2vw, 58px);
  font-weight: 700; line-height: 1.18; letter-spacing: .5px;
}
.hero h1 .hl { color: var(--accent); }
.hero .lead { margin: 22px 0 10px; color: rgba(255,255,255,.85); font-size: 17px; max-width: 560px; }
.hero .lead-2 { color: rgba(255,255,255,.7); font-size: 15px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; max-width: 640px; }
.stat-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius); padding: 18px 20px; backdrop-filter: blur(4px);
}
.stat-num { font-family: var(--font-head); font-size: 30px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 13px; color: rgba(255,255,255,.78); margin-top: 2px; }

/* Hero 右侧可视化 */
.hero-visual { position: relative; }
.browser {
  background: #fff; border-radius: 16px; overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,.35);
  transform: rotate(1.2deg);
}
.browser-bar { display: flex; align-items: center; gap: 8px; background: #0f1d1a; padding: 12px 16px; }
.browser-dot { width: 11px; height: 11px; border-radius: 50%; }
.browser-url { flex: 1; margin-left: 10px; background: rgba(255,255,255,.1); border-radius: 8px; padding: 5px 12px; font-size: 12px; color: rgba(255,255,255,.7); }
.browser-body { padding: 22px; }
.mock-hero { height: 92px; border-radius: 10px; background: linear-gradient(120deg, var(--primary), #0a5a4b); display: flex; align-items: center; padding: 0 20px; }
.mock-hero i { width: 74px; height: 12px; border-radius: 6px; background: var(--accent); }
.mock-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.mock-col { height: 54px; border-radius: 8px; background: var(--line); }
.mock-col:nth-child(1) { background: #d9ece6; }
.mock-col:nth-child(2) { background: #f2f2c0; }
.mock-col:nth-child(3) { background: #ffe1c2; }
.float-badge {
  position: absolute; right: -14px; bottom: 26px;
  background: var(--accent); color: var(--primary-dark);
  font-family: var(--font-head); font-weight: 700; font-size: 14px;
  padding: 12px 18px; border-radius: 12px; box-shadow: 0 14px 30px rgba(0,0,0,.3);
}
.float-badge.small { right: auto; left: -16px; bottom: auto; top: -16px; background: var(--white); color: var(--primary); box-shadow: var(--shadow); }

/* ---------- 服务能力 ---------- */
.services { background: var(--white); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s ease; background: var(--bg);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(0,68,57,.3); }
.service-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: var(--primary); color: var(--accent);
  display: grid; place-items: center; font-size: 26px; margin-bottom: 18px;
}
.service-card h3 { font-family: var(--font-head); font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: 14.5px; }
.service-card .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { font-size: 12px; background: #eef4f2; color: var(--primary); border-radius: 999px; padding: 4px 12px; font-weight: 600; }

/* ---------- 案例 ---------- */
.cases { background: var(--bg); }
.case-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.case-tab {
  padding: 9px 20px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: #fff; font-size: 14px; font-weight: 600; color: var(--muted);
  transition: all .25s ease;
}
.case-tab:hover, .case-tab.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: all .3s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-shot { padding: 18px; background: linear-gradient(160deg, #eef4f2, #f7f7ec); }
.case-frame { border-radius: 10px; background: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.08); overflow: hidden; }
.case-bar { background: #e8e8e6; padding: 8px 12px; display: flex; gap: 6px; }
.case-bar i { width: 8px; height: 8px; border-radius: 50%; background: #d0d0cc; }
.case-body { padding: 22px 12px 14px; }
.case-body .c-line { height: 9px; border-radius: 5px; background: var(--line); margin-bottom: 8px; }
.case-body .c-line.w70 { width: 70%; } .case-body .c-line.w45 { width: 45%; } .case-body .c-line.w60 { width: 60%; }
.case-info { padding: 20px 22px; }
.case-info h3 { font-family: var(--font-head); font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.case-info p { color: var(--muted); font-size: 13.5px; }
.case-meta { display: flex; gap: 10px; margin-top: 10px; font-size: 12px; color: var(--primary); font-weight: 600; }
.cases-more { text-align: center; margin-top: 40px; }

/* ---------- 建站流程 ---------- */
.process { background: var(--white); }
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; background: var(--bg);
}
.step-num {
  font-family: var(--font-head); font-size: 40px; font-weight: 700; color: var(--accent2);
  line-height: 1; margin-bottom: 14px; display: block;
}
.step h3 { font-family: var(--font-head); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14px; }
.step::after {
  content: "→"; position: absolute; right: -18px; top: 50%; transform: translateY(-50%);
  color: var(--primary); font-size: 22px; font-weight: 700; z-index: 2;
}
.step:last-child::after { display: none; }

/* ---------- 为什么选择我们 ---------- */
.why { background: linear-gradient(150deg, var(--primary-dark), var(--primary) 70%); color: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); padding: 26px; }
.why-card .w-icon { font-size: 30px; color: var(--accent); margin-bottom: 12px; }
.why-card h3 { font-family: var(--font-head); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.why-card p { color: rgba(255,255,255,.78); font-size: 14px; }

/* ---------- 客户评价 ---------- */
.testimonials { background: var(--bg); }
.t-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.t-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.t-stars { color: var(--accent2); letter-spacing: 2px; margin-bottom: 12px; }
.t-card p { color: var(--muted); font-size: 14.5px; margin-bottom: 18px; }
.t-user { display: flex; align-items: center; gap: 12px; }
.t-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--primary); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-family: var(--font-head); }
.t-user b { display: block; font-size: 15px; }
.t-user span { font-size: 12.5px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; background: var(--bg); overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 15.5px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--primary); transition: transform .25s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 22px 18px; color: var(--muted); font-size: 14.5px; }

/* ---------- CTA ---------- */
.cta { background: var(--accent); color: var(--primary-dark); text-align: center; }
.cta h2 { font-family: var(--font-head); font-size: clamp(24px, 3.6vw, 36px); font-weight: 700; }
.cta p { margin: 14px auto 26px; max-width: 560px; font-size: 15.5px; }
.cta .btn { background: var(--primary-dark); color: var(--accent); }
.cta .btn:hover { background: #000; color: var(--accent); }

/* ---------- 联系方式 ---------- */
.contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
.contact-item { display: flex; gap: 16px; margin-bottom: 22px; }
.contact-item .c-ico { width: 48px; height: 48px; flex: 0 0 auto; border-radius: 12px; background: var(--primary); color: var(--accent); display: grid; place-items: center; font-size: 20px; }
.contact-item b { display: block; font-size: 15px; }
.contact-item span, .contact-item a { color: var(--muted); font-size: 14.5px; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-form label { display: block; font-size: 13.5px; font-weight: 600; margin: 14px 0 6px; color: var(--muted); }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-family: var(--font-body); font-size: 14.5px; background: var(--bg);
}
.contact-form textarea { min-height: 110px; resize: vertical; }
.contact-form .btn { margin-top: 18px; width: 100%; justify-content: center; }

/* ---------- 页脚 ---------- */
.footer { background: var(--primary-dark); color: rgba(255,255,255,.75); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px; }
.footer h4 { font-family: var(--font-head); color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: 1px; }
.footer a { color: rgba(255,255,255,.7); font-size: 14px; display: block; margin-bottom: 10px; }
.footer a:hover { color: var(--accent); }
.footer .f-desc { font-size: 13.5px; margin: 14px 0 18px; max-width: 300px; }
.footer .f-tel { font-family: var(--font-head); font-size: 22px; color: var(--accent); font-weight: 700; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; text-align: center; font-size: 13px; }
.footer-bottom a { display: inline; color: rgba(255,255,255,.6); }

/* ---------- 子页面横幅 ---------- */
.page-hero {
  background: linear-gradient(150deg, var(--primary-dark), var(--primary));
  color: #fff; padding: 66px 0 56px; text-align: center; position: relative; overflow: hidden;
}
.page-hero h1 { font-family: var(--font-head); font-size: clamp(28px, 4.4vw, 44px); font-weight: 700; }
.page-hero .crumb { margin-top: 12px; font-size: 14px; color: rgba(255,255,255,.7); }
.page-hero .crumb a { color: var(--accent); }
.page-body { padding: 72px 0 84px; }

/* ---------- 内页通用 ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.rich-text h2 { font-family: var(--font-head); font-size: 26px; margin: 26px 0 12px; }
.rich-text h3 { font-family: var(--font-head); font-size: 19px; margin: 20px 0 8px; }
.rich-text p, .rich-text li { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.rich-text ul { list-style: none; }
.rich-text ul li { padding-left: 22px; position: relative; }
.rich-text ul li::before { content: "✔"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.panel h2 { font-family: var(--font-head); font-size: 22px; margin-bottom: 16px; }

/* ---------- 服务详情页 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-block { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: #fff; }
.svc-block .s-ico { font-size: 32px; margin-bottom: 14px; }
.svc-block h3 { font-family: var(--font-head); font-size: 20px; margin-bottom: 10px; }
.svc-block li { color: var(--muted); font-size: 14px; padding-left: 18px; position: relative; margin-bottom: 8px; }
.svc-block li::before { content: "▸"; position: absolute; left: 0; color: var(--accent2); }

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; text-align: center; }
.price-card.hot { border-color: var(--primary); box-shadow: var(--shadow); }
.price-card h3 { font-family: var(--font-head); font-size: 18px; }
.price-card .price { font-family: var(--font-head); font-size: 34px; font-weight: 700; color: var(--primary); margin: 14px 0 4px; }
.price-card .price small { font-size: 13px; color: var(--muted); }
.price-card ul { margin: 16px 0 22px; }
.price-card li { color: var(--muted); font-size: 13.5px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.price-card .btn { width: 100%; justify-content: center; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .service-grid, .case-grid, .t-grid, .why-grid, .svc-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2)::after { display: none; }
  .contact-grid, .two-col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .service-grid, .case-grid, .t-grid, .why-grid, .svc-grid, .price-grid, .step-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-menu {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    background: var(--primary-dark); flex-direction: column; padding: 20px; gap: 16px;
  }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-cta .btn { display: none; }
  .hero { padding: 64px 0; }
  .section { padding: 56px 0; }
}