/* =========================================================
   立晨电脑服务 · 全站样式
   配色：主蓝 #1553d6 / 强调橙 #ff6a2b / 底色 #f5f7fb
   ========================================================= */

:root {
  --brand: #1553d6;
  --brand-dark: #0d3c9e;
  --brand-soft: #eaf0ff;
  --accent: #ff6a2b;
  --accent-soft: #fff0e9;
  --ink: #101a2e;
  --ink-2: #2c3a53;
  --muted: #5d6b83;
  --line: #e3e8f2;
  --bg: #f5f7fb;
  --white: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(16, 26, 46, 0.05);
  --shadow: 0 12px 30px rgba(16, 26, 46, 0.08);
  --shadow-lg: 0 24px 60px rgba(16, 26, 46, 0.12);
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

h1, h2, h3, h4 {
  margin: 0 0 12px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 3.6vw, 3rem); }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.16rem; }
p { margin: 0 0 14px; }
ul { margin: 0 0 14px; padding-left: 1.15em; }
li { margin-bottom: 6px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--ink);
  color: #c9d4e8;
  font-size: 13px;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 38px;
  flex-wrap: wrap;
}
.topbar a { color: #fff; font-weight: 600; }
.topbar .topbar-note { display: flex; gap: 18px; flex-wrap: wrap; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ink);
  white-space: nowrap;
}
.logo:hover { color: var(--ink); }
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), #3d86ff);
  display: grid;
  place-items: center;
  box-shadow: 0 6px 16px rgba(21, 83, 214, 0.28);
}
.logo-mark svg { width: 21px; height: 21px; }
.logo small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.16em;
  line-height: 1;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  padding: 9px 14px;
  border-radius: 10px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.18s, color 0.18s;
}
.nav a:hover { background: var(--brand-soft); color: var(--brand); }
.nav a.active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }

.header-cta { display: flex; align-items: center; gap: 10px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.16s, box-shadow 0.16s, background 0.16s, color 0.16s;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), #2f74ff);
  color: #fff;
  box-shadow: 0 8px 20px rgba(21, 83, 214, 0.26);
}
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(21, 83, 214, 0.34); }
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 106, 43, 0.28);
}
.btn-accent:hover { color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: #c6d2e8; color: var(--brand); background: #fbfcff; }
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section--tight { padding: 52px 0; }
.section--white { background: #fff; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--muted); margin: 0; font-size: 16.5px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.eyebrow--accent { color: #d2490a; background: var(--accent-soft); }

/* ---------- 首页主视觉 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 12% -10%, #dfe9ff 0%, rgba(223, 233, 255, 0) 65%),
    radial-gradient(700px 380px at 92% 8%, #ffece2 0%, rgba(255, 236, 226, 0) 62%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
  padding: 64px 0 76px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 18px; }
.hero h1 .hl {
  color: var(--brand);
  position: relative;
  z-index: 0;
  white-space: nowrap;
}
.hero h1 .hl::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 4px;
  height: 10px;
  background: rgba(21, 83, 214, 0.14);
  border-radius: 3px;
  z-index: -1;
}
.hero-lead {
  font-size: 17.5px;
  color: var(--ink-2);
  max-width: 540px;
  margin-bottom: 26px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-note {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}
.hero-note span { display: flex; align-items: center; gap: 6px; }
.hero-note svg { width: 15px; height: 15px; color: #14a06a; }

/* 主视觉右侧：报修卡 */
.quote-card {
  background: #fff;
  border-radius: 22px;
  padding: 26px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(227, 232, 242, 0.9);
  position: relative;
}
.quote-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 23px;
  background: linear-gradient(140deg, rgba(21, 83, 214, 0.35), rgba(255, 106, 43, 0.25));
  z-index: -1;
  opacity: 0.55;
}
.quote-card h3 { margin-bottom: 4px; }
.quote-card .qc-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.qc-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--brand-soft);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 16px;
  color: var(--brand);
}
.qc-phone .ico {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: #fff;
  display: grid; place-items: center;
  flex: none;
  box-shadow: var(--shadow-sm);
}
.qc-phone .num {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;
  display: block;
  color: var(--brand);
}
.qc-phone .lbl { font-size: 12.5px; color: var(--muted); }
.qc-list { list-style: none; padding: 0; margin: 0 0 18px; }
.qc-list li {
  display: flex;
  gap: 9px;
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 9px;
}
.qc-list svg { width: 16px; height: 16px; color: #14a06a; flex: none; margin-top: 5px; }

/* 数据条 */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 52px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.stat b {
  display: block;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--brand);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.stat span { font-size: 13.5px; color: var(--muted); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cdd9ef; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; margin-bottom: 0; }
.card .ico-box {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 16px;
}
.card .ico-box svg { width: 23px; height: 23px; }
.card .ico-box.accent { background: var(--accent-soft); color: #e2551a; }
.card ul { color: var(--muted); font-size: 14px; margin-top: 12px; }
.card ul li::marker { color: var(--brand); }

/* 服务卡（带标签） */
.card .tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 14px; }
.tag {
  font-size: 12px;
  color: var(--ink-2);
  background: #f2f5fb;
  border: 1px solid var(--line);
  padding: 3px 9px;
  border-radius: 7px;
}

/* ---------- 双通道面板 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.panel {
  border-radius: 22px;
  padding: 34px;
  border: 1px solid var(--line);
  background: #fff;
  position: relative;
  overflow: hidden;
}
.panel--person { background: linear-gradient(160deg, #f2f6ff 0%, #ffffff 60%); }
.panel--biz { background: linear-gradient(160deg, #fff5ef 0%, #ffffff 60%); }
.panel h3 { font-size: 1.35rem; }
.panel > p { color: var(--muted); font-size: 14.5px; }
.panel .price-hint {
  font-size: 13px;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.75);
  border: 1px dashed #d6dfef;
  padding: 10px 14px;
  border-radius: 10px;
  margin: 16px 0 20px;
}
.panel--biz .price-hint { border-color: #f4d3c1; }

/* ---------- 流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 20px;
  position: relative;
}
.step .n {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: grid; place-items: center;
  margin-bottom: 12px;
}
.step h3 { font-size: 1rem; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--muted); margin: 0; }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 36px;
  right: -12px;
  width: 8px; height: 8px;
  border-right: 2px solid #c9d6ec;
  border-top: 2px solid #c9d6ec;
  transform: rotate(45deg);
}

/* ---------- 案例 ---------- */
.case {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.case-top {
  padding: 22px 24px 0;
}
.case-meta {
  font-size: 12.5px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.case-meta .dot { width: 4px; height: 4px; background: #c3cee2; border-radius: 50%; }
.case-body { padding: 0 24px 24px; flex: 1; display: flex; flex-direction: column; }
.case-row { font-size: 14px; color: var(--ink-2); margin-bottom: 10px; }
.case-row b { display: block; font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: 0.04em; margin-bottom: 2px; }
.case-result {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  color: #0d7d54;
  font-weight: 600;
}

/* ---------- 技巧文章 ---------- */
.article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}
.article summary {
  padding: 22px 26px;
  cursor: pointer;
  list-style: none;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-weight: 600;
  font-size: 1.04rem;
  color: var(--ink);
}
.article summary::-webkit-details-marker { display: none; }
.article summary:hover { background: #fbfcff; }
.article summary .plus {
  margin-left: auto;
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--muted);
  transition: transform 0.2s, background 0.2s;
  font-size: 18px;
  line-height: 1;
}
.article[open] summary .plus { transform: rotate(45deg); background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.article .body {
  padding: 0 26px 26px;
  border-top: 1px dashed var(--line);
  margin-top: 0;
  padding-top: 20px;
  color: var(--ink-2);
  font-size: 15px;
}
.article .body h4 { font-size: 1rem; margin: 18px 0 8px; }
.article .body h4:first-child { margin-top: 0; }
.article .body ol, .article .body ul { padding-left: 1.2em; }
.article .body .warn {
  background: #fff7ed;
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin: 14px 0;
}
.cat {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 3px 9px;
  border-radius: 6px;
  flex: none;
  margin-top: 3px;
}

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15.5px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  flex: none;
  width: 24px; height: 24px;
  border-radius: 7px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  display: grid; place-items: center;
}
.faq-item[open] summary { color: var(--brand); }
.faq-item .a {
  padding: 0 22px 20px 58px;
  color: var(--ink-2);
  font-size: 14.5px;
}
.faq-item .a p:last-child { margin-bottom: 0; }

/* ---------- CTA 条 ---------- */
.cta-band {
  background: linear-gradient(120deg, #0f3c9c 0%, #1553d6 55%, #2f74ff 100%);
  border-radius: 24px;
  padding: 46px 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -70px; bottom: -110px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, 0.82); margin: 0; font-size: 15px; }
.cta-band .btn-accent { box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18); }
.cta-band .btns { display: flex; gap: 12px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---------- 联系方式 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.contact-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.contact-item:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-item .ico-box { margin: 0; flex: none; width: 42px; height: 42px; }
.contact-item b { display: block; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.contact-item .v { font-size: 15.5px; color: var(--ink); font-weight: 600; }
.contact-item .v small { display: block; font-size: 12.5px; color: var(--muted); font-weight: 400; }

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  background: #fbfcff;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(21, 83, 214, 0.12);
  background: #fff;
}
.form-row textarea { resize: vertical; min-height: 96px; }
.form-tip { font-size: 12.5px; color: var(--muted); margin-top: 12px; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* 工作时间表 */
.hours { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.hours td { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.hours td:last-child { text-align: right; color: var(--ink-2); font-weight: 600; }
.hours tr:last-child td { border-bottom: 0; }
.hours .today { color: var(--brand); }

/* ---------- 页头（内页） ---------- */
.page-hero {
  background:
    radial-gradient(700px 300px at 8% -20%, #e2ebff 0%, rgba(226, 235, 255, 0) 70%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  padding: 50px 0 42px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(1.75rem, 2.8vw, 2.4rem); margin-bottom: 12px; }
.page-hero p { color: var(--muted); max-width: 680px; margin: 0; font-size: 16px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span { margin: 0 6px; color: #b9c4d8; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0c1424;
  color: #9fb0cc;
  padding: 56px 0 0;
  margin-top: 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
}
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.site-footer a { color: #9fb0cc; }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 9px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo small { color: #7e90ad; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; margin-bottom: 0; }
.footer-phone {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff !important;
  display: block;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding: 20px 0;
  font-size: 12.5px;
  color: #6e7f9c;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- 移动端菜单 ---------- */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}
.menu-toggle svg { width: 20px; height: 20px; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 90;
  background: rgba(10, 18, 32, 0.45);
}
.mobile-menu.open { display: block; }
.mobile-menu .inner {
  background: #fff;
  width: min(320px, 86vw);
  margin-left: auto;
  height: 100%;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.16);
  animation: slideIn 0.22s ease;
}
@keyframes slideIn { from { transform: translateX(24px); opacity: 0.4; } to { transform: none; opacity: 1; } }
.mobile-menu .inner a {
  padding: 13px 14px;
  border-radius: 10px;
  color: var(--ink);
  font-weight: 500;
  font-size: 16px;
}
.mobile-menu .inner a:hover { background: var(--brand-soft); color: var(--brand); }
.mobile-menu .close {
  align-self: flex-end;
  background: none;
  border: 0;
  font-size: 26px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 8px;
}
.mobile-menu .inner .btn { margin-top: 14px; }

@media (max-width: 1024px) {
  .menu-toggle { display: inline-flex; }
}

/* ---------- 移动悬浮拨号 ---------- */
.fixed-call {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding: 10px 14px;
  gap: 10px;
  box-shadow: 0 -6px 20px rgba(16, 26, 46, 0.08);
}
.fixed-call .btn { flex: 1; padding: 12px 10px; font-size: 15px; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .header-cta .btn-ghost { display: none; }
}

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 34px 26px; }
}

@media (max-width: 720px) {
  /* 窄屏隐藏顶栏电话按钮，改由底部固定拨号条承担，避免与长号码挤压 */
  .header-cta .btn-primary { display: none; }
  .logo { font-size: 1rem; }
  .logo-mark { width: 34px; height: 34px; border-radius: 10px; }
  .logo-mark svg { width: 19px; height: 19px; }
  .topbar { font-size: 12.5px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .section { padding: 48px 0; }
  .container { padding: 0 18px; }
  .topbar .topbar-note { display: none; }
  .topbar .container { justify-content: center; }
  .site-header .container { min-height: 62px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 52px; }
  .hero-actions .btn { width: 100%; }
  .quote-card { padding: 22px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 20px; }
  .stat b { font-size: 1.6rem; }
  .steps { grid-template-columns: 1fr; }
  .form-2col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .fixed-call { display: flex; }
  body { padding-bottom: 68px; }
  .article summary { padding: 18px; font-size: 15px; }
  .article .body { padding: 16px 18px 20px; }
  .faq-item .a { padding-left: 22px; }
  .header-cta .btn { padding: 10px 14px; font-size: 14px; }
}