/* ==========================================================
   上海盛沃律师事务所 - 单页官网样式
   主题：赡养 / 监护 / 继承 家事法律服务
   规范：红色底色、无圆角（最大 3px）、兼容移动端
   ========================================================== */

:root {
  --red-900: #6E0B0B;   /* 深红-页脚/深底 */
  --red-700: #A31313;   /* 主红 */
  --red-600: #B51A1A;   /* 主红亮 */
  --red-500: #C82424;   /* 强调红 */
  --red-100: #F7E3E3;   /* 浅红底 */
  --red-50:  #FCF1F1;   /* 极浅红 */
  --gold:    #E8C46A;   /* 点缀金（仅文字/线条） */
  --ink:     #3A1A1A;   /* 深字色 */
  --gray:    #6B5252;   /* 灰字 */
  --line:    #E5CCCC;   /* 分隔线 */
  --white:   #FFFFFF;
  --radius:  2px;       /* 全局最大圆角，不超过 3px */
  --shadow:  0 6px 18px rgba(110, 11, 11, 0.18);
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--red-700);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* 锚点滚动时避开固定导航 */
[id] { scroll-margin-top: calc(var(--header-h) + 14px); }

/* 屏幕区块：每屏不小于一个视口高度 */
.screen {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 40px) 0 60px;
  position: relative;
  overflow: hidden;
}

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: linear-gradient(180deg, var(--red-900), var(--red-700));
  border-bottom: 2px solid rgba(255, 255, 255, 0.16);
  z-index: 1000;
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
  background: var(--red-900);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--white); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  background: var(--white); color: var(--red-700);
  font-weight: 800; font-size: 18px; letter-spacing: 1px;
  border: 2px solid var(--gold);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 17px; letter-spacing: 1px; }
.brand-text small { font-size: 11px; opacity: 0.85; letter-spacing: 0.5px; }

.main-nav { display: flex; gap: 4px; }
.main-nav a {
  color: rgba(255, 255, 255, 0.92);
  font-size: 15px;
  padding: 8px 12px;
  border: 2px solid transparent;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}
.main-nav a:hover { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.35); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-tel {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--white);
  font-size: 16px; font-weight: 700; letter-spacing: 1px;
  padding: 9px 16px;
  border: 2px solid var(--gold);
  transition: background 0.25s;
}
.header-tel:hover { background: rgba(232, 196, 106, 0.18); }

/* 汉堡按钮（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px;
  background: transparent; border: 2px solid rgba(255, 255, 255, 0.6);
  padding: 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--white); transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- 通用标题 ---------------- */
.eyebrow {
  display: inline-block;
  color: var(--gold);
  font-size: 13px; font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sec-head { text-align: center; margin-bottom: 46px; }
.sec-head h2 {
  color: var(--white);
  font-size: 34px; font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.sec-head > p:last-child { color: rgba(255, 255, 255, 0.88); font-size: 15px; }
.sec-head.left { text-align: left; }

/* ---------------- 第一屏：Hero（左右结构） ---------------- */
.hero { background: radial-gradient(ellipse at 22% 18%, rgba(255, 255, 255, 0.10), transparent 46%), linear-gradient(135deg, var(--red-700) 0%, var(--red-900) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 44px; align-items: start; }

.hero-left h1 {
  color: var(--white);
  font-size: 38px; line-height: 1.4; font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.hero-left h1 em { color: var(--gold); font-style: normal; }
.hero-sub { color: rgba(255, 255, 255, 0.92); font-size: 16px; margin-bottom: 28px; max-width: 560px; }

.qa-title {
  color: var(--white); font-size: 21px; font-weight: 700;
  border-left: 4px solid var(--gold);
  padding-left: 12px;
  margin-bottom: 16px;
}
.qa-list { display: flex; flex-direction: column; gap: 12px; }
.qa-item {
  background: rgba(255, 255, 255, 0.07);
  border: 2px solid rgba(255, 255, 255, 0.28);
  transition: background 0.25s, border-color 0.25s;
}
.qa-item[open] { background: rgba(255, 255, 255, 0.12); border-color: var(--gold); }
.qa-item summary {
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-weight: 600; font-size: 15.5px;
  padding: 14px 16px;
  padding-right: 42px;
  position: relative;
  user-select: none;
}
.qa-item summary::-webkit-details-marker { display: none; }
.qa-item summary::after {
  content: "+";
  position: absolute; right: 16px; top: 50%;
  transform: translateY(-50%);
  font-size: 20px; font-weight: 700;
  color: var(--gold);
  transition: transform 0.25s;
}
.qa-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.qa-item p { color: rgba(255, 255, 255, 0.9); font-size: 14.5px; padding: 0 16px 14px; }

/* 右栏：电话引导卡片 */
.hero-right { position: sticky; top: calc(var(--header-h) + 24px); }
.contact-card {
  background: var(--white);
  border: 3px solid var(--gold);
  padding: 30px 26px;
  box-shadow: var(--shadow);
}
.card-tag {
  display: inline-block;
  background: var(--red-100); color: var(--red-700);
  font-size: 13px; font-weight: 700;
  padding: 4px 12px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.contact-card h2 { color: var(--ink); font-size: 24px; line-height: 1.5; font-weight: 800; margin-bottom: 6px; }
.card-desc { color: var(--gray); font-size: 14px; margin-bottom: 20px; }

.call-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(180deg, var(--red-500), var(--red-700));
  color: var(--white);
  font-size: 18px; font-weight: 800; letter-spacing: 1px;
  padding: 15px 18px;
  border: 2px solid var(--red-900);
  transition: filter 0.25s, transform 0.15s;
  text-align: center;
}
.call-btn:hover { filter: brightness(1.12); }
.call-btn:active { transform: scale(0.98); }
.call-btn.small { font-size: 15px; padding: 11px 16px; }
.call-btn.big { font-size: 19px; padding: 16px 18px; margin-top: 22px; }

.card-info { margin: 20px 0; display: flex; flex-direction: column; gap: 12px; }
.card-info li {
  display: flex; align-items: flex-start; gap: 10px;
  color: var(--ink); font-size: 14px;
}
.card-info svg { color: var(--red-700); flex: none; margin-top: 4px; }
.card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.ghost-btn {
  display: block; text-align: center;
  border: 2px solid var(--red-700); color: var(--red-700);
  font-size: 14px; font-weight: 700;
  padding: 10px 8px;
  transition: background 0.25s, color 0.25s;
}
.ghost-btn:hover { background: var(--red-700); color: var(--white); }
.card-note { color: var(--gray); font-size: 12.5px; text-align: center; }

/* ---------------- 第二屏：律师团队 ---------------- */
.team { background: linear-gradient(160deg, var(--red-600) 0%, var(--red-700) 55%, var(--red-900) 100%); }
.lawyer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 36px; }
.lawyer-card {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 30px 24px;
  text-align: center;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.lawyer-card:hover { background: rgba(255, 255, 255, 0.14); border-color: var(--gold); transform: translateY(-4px); }
.lawyer-avatar {
  width: 76px; height: 76px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--white); color: var(--red-700);
  font-size: 34px; font-weight: 800;
  border: 3px solid var(--gold);
}
.lawyer-card h3 { color: var(--white); font-size: 22px; font-weight: 800; letter-spacing: 2px; }
.lawyer-title { color: var(--gold); font-size: 13.5px; font-weight: 700; letter-spacing: 1px; margin: 6px 0 14px; }
.lawyer-desc { color: rgba(255, 255, 255, 0.9); font-size: 14px; text-align: left; margin-bottom: 16px; }
.lawyer-field {
  border-top: 1px dashed rgba(255, 255, 255, 0.4);
  padding-top: 12px;
  color: rgba(255, 255, 255, 0.88); font-size: 13px;
}
.lawyer-field span { color: var(--gold); margin-right: 6px; }

.team-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: rgba(0, 0, 0, 0.22);
  border: 2px solid var(--gold);
  padding: 20px 28px;
  flex-wrap: wrap;
}
.team-banner strong { color: var(--gold); font-size: 22px; letter-spacing: 1px; }
.team-banner span { color: var(--white); font-size: 14.5px; }
.banner-call {
  background: var(--white); color: var(--red-700);
  font-weight: 800; font-size: 15px;
  padding: 10px 26px;
  border: 2px solid var(--white);
  transition: background 0.25s, color 0.25s;
}
.banner-call:hover { background: transparent; color: var(--white); }

/* ---------------- 第三屏：团队优势 ---------------- */
.advantage { background: linear-gradient(180deg, var(--red-700), var(--red-800, #8F1010) 50%, var(--red-700)); }
.stat-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 40px;
}
.stat-item {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.28);
  text-align: center;
  padding: 22px 10px;
}
.stat-item strong { display: block; color: var(--gold); font-size: 34px; font-weight: 800; line-height: 1.2; }
.stat-item strong small { font-size: 16px; }
.stat-item span { color: rgba(255, 255, 255, 0.9); font-size: 13.5px; }

.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-card {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-left: 4px solid var(--gold);
  padding: 22px 20px;
  transition: background 0.3s, transform 0.3s;
}
.adv-card:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-3px); }
.adv-card h3 { color: var(--white); font-size: 17px; font-weight: 800; letter-spacing: 1px; margin-bottom: 8px; }
.adv-card p { color: rgba(255, 255, 255, 0.88); font-size: 14px; }

/* ---------------- 第四屏：业务领域 ---------------- */
.service { background: radial-gradient(ellipse at 80% 10%, rgba(255, 255, 255, 0.08), transparent 45%), linear-gradient(160deg, var(--red-900) 0%, var(--red-700) 100%); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 24px 18px;
  display: flex; flex-direction: column;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.service-card:hover { background: rgba(255, 255, 255, 0.14); border-color: var(--gold); transform: translateY(-3px); }
.service-card h3 { color: var(--white); font-size: 17px; font-weight: 800; letter-spacing: 1px; margin-bottom: 10px; }
.service-card h3::before { content: ""; display: block; width: 26px; height: 3px; background: var(--gold); margin-bottom: 10px; }
.service-card p { color: rgba(255, 255, 255, 0.88); font-size: 13.5px; flex: 1; }
.service-tags { color: var(--gold) !important; font-size: 12.5px !important; margin-top: 12px; }
.service-card-cta { background: var(--white); border-color: var(--gold); }
.service-card-cta h3 { color: var(--red-700); }
.service-card-cta h3::before { background: var(--red-700); }
.service-card-cta p { color: var(--ink); }
.service-card-cta .call-btn { margin-top: 14px; font-size: 14px; padding: 10px 8px; }

/* ---------------- 第五屏：典型案例 ---------------- */
.cases { background: linear-gradient(180deg, var(--red-700), var(--red-900)); }
.case-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 24px; }
.case-item {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 24px 22px;
  transition: background 0.3s, border-color 0.3s;
}
.case-item:hover { background: rgba(255, 255, 255, 0.14); border-color: var(--gold); }
.case-type {
  display: inline-block;
  background: var(--gold); color: var(--red-900);
  font-size: 12px; font-weight: 800; letter-spacing: 1px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.case-item h3 { color: var(--white); font-size: 17px; font-weight: 800; margin-bottom: 10px; }
.case-item p { color: rgba(255, 255, 255, 0.88); font-size: 14px; }
.case-disclaimer { color: rgba(255, 255, 255, 0.72); font-size: 12.5px; text-align: center; }

/* ---------------- 第六屏：服务流程 ---------------- */
.process { background: linear-gradient(160deg, var(--red-600), var(--red-700) 60%, var(--red-900)); }
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 34px; }
.step-item {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 26px 20px;
  position: relative;
  transition: background 0.3s, transform 0.3s;
}
.step-item:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-3px); }
.step-num {
  display: inline-block;
  color: var(--red-900);
  background: var(--gold);
  font-size: 15px; font-weight: 800;
  padding: 2px 10px;
  margin-bottom: 14px;
}
.step-item h3 { color: var(--white); font-size: 16.5px; font-weight: 800; margin-bottom: 8px; }
.step-item p { color: rgba(255, 255, 255, 0.88); font-size: 13.5px; }
.process-note {
  display: flex; align-items: flex-start; gap: 12px;
  background: rgba(0, 0, 0, 0.22);
  border: 2px dashed rgba(255, 255, 255, 0.5);
  padding: 18px 22px;
}
.process-note svg { color: var(--gold); flex: none; margin-top: 4px; }
.process-note p { color: rgba(255, 255, 255, 0.92); font-size: 14px; }

/* ---------------- 第七屏：常见问题 ---------------- */
.faq { background: linear-gradient(180deg, var(--red-900), var(--red-700)); }
.faq-layout { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 44px; align-items: start; }
.faq-head { text-align: left; position: sticky; top: calc(var(--header-h) + 30px); }
.faq-head p:last-of-type { margin-bottom: 22px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: background 0.25s, border-color 0.25s;
}
.faq-item[open] { background: rgba(255, 255, 255, 0.13); border-color: var(--gold); }
.faq-item summary {
  cursor: pointer; list-style: none;
  color: var(--white); font-weight: 700; font-size: 15.5px;
  padding: 16px 18px; padding-right: 44px;
  position: relative; user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute; right: 18px; top: 50%;
  transform: translateY(-50%);
  font-size: 20px; font-weight: 700; color: var(--gold);
  transition: transform 0.25s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { color: rgba(255, 255, 255, 0.9); font-size: 14px; padding: 0 18px 16px; }

/* ---------------- 第八屏：联系与预约 ---------------- */
.contact { background: radial-gradient(ellipse at 15% 85%, rgba(255, 255, 255, 0.10), transparent 45%), linear-gradient(160deg, var(--red-700), var(--red-900)); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.info-list { display: flex; flex-direction: column; gap: 18px; margin: 24px 0; }
.info-list li { display: flex; align-items: flex-start; gap: 14px; }
.info-ico {
  flex: none;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  border: 2px solid var(--gold);
  color: var(--gold);
}
.info-list li div { display: flex; flex-direction: column; }
.info-list li strong { color: var(--white); font-size: 15px; }
.info-list li a, .info-list li span { color: rgba(255, 255, 255, 0.9); font-size: 15px; }
.info-list li a:hover { color: var(--gold); }

.contact-form-wrap {
  background: var(--white);
  border: 3px solid var(--gold);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}
.contact-form-wrap h2 { color: var(--ink); font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.contact-form-wrap > p { color: var(--gray); font-size: 13.5px; margin-bottom: 20px; }
.consult-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { color: var(--ink); font-size: 13.5px; font-weight: 700; }
.form-row input,
.form-row textarea {
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  padding: 11px 12px;
  border: 2px solid var(--line);
  background: var(--red-50);
  outline: none;
  transition: border-color 0.25s, background 0.25s;
}
.form-row input:focus,
.form-row textarea:focus { border-color: var(--red-700); background: var(--white); }
.checkbox-label { display: flex; align-items: flex-start; gap: 8px; font-size: 12.5px !important; font-weight: 400 !important; color: var(--gray) !important; cursor: pointer; }
.checkbox-label input { margin-top: 4px; accent-color: var(--red-700); }
.submit-btn {
  background: linear-gradient(180deg, var(--red-500), var(--red-700));
  color: var(--white);
  font-size: 16px; font-weight: 800; letter-spacing: 3px;
  padding: 14px;
  border: 2px solid var(--red-900);
  transition: filter 0.25s;
}
.submit-btn:hover { filter: brightness(1.12); }
.form-tip { color: var(--gray); font-size: 12px; text-align: center; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--red-900); color: rgba(255, 255, 255, 0.85); }
.footer-inner {
  display: flex; justify-content: space-between; gap: 30px;
  padding: 40px 0 30px;
  flex-wrap: wrap;
}
.footer-brand strong { display: block; color: var(--white); font-size: 18px; letter-spacing: 1px; margin-bottom: 8px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; }
.footer-links { display: flex; flex-direction: column; gap: 8px; font-size: 13px; text-align: right; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.18); padding: 16px 0; }
.footer-bottom p { font-size: 12.5px; color: rgba(255, 255, 255, 0.65); text-align: center; }

/* ---------------- 移动端底部拨号栏 & 返回顶部 ---------------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 999;
  grid-template-columns: 1fr auto;
  box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.3);
}
.mobile-call {
  background: var(--red-500);
  color: var(--white);
  text-align: center;
  font-size: 17px; font-weight: 800; letter-spacing: 1px;
  padding: 14px 10px;
}
.mobile-link {
  background: var(--gold); color: var(--red-900);
  text-align: center;
  font-size: 15px; font-weight: 800;
  padding: 14px 18px;
  white-space: nowrap;
}

.back-top {
  position: fixed;
  right: 22px; bottom: 26px;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--red-600);
  color: var(--white);
  border: 2px solid var(--white);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 998;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--red-500); }

/* ---------------- 滚动显现动画 ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- 响应式：平板 ---------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-right { position: static; }
  .hero-left h1 { font-size: 32px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 28px; }
  .faq-head { position: static; }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .lawyer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------------- 响应式：移动端 ---------------- */
@media (max-width: 768px) {
  :root { --header-h: 62px; }
  body { font-size: 15px; }
  .screen { padding: calc(var(--header-h) + 30px) 0 40px; }

  /* 导航折叠 */
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    background: var(--red-900);
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px 18px;
    gap: 2px;
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 12px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); font-size: 15.5px; }
  .header-tel span { display: none; }
  .header-tel { padding: 9px 11px; }

  .hero-left h1 { font-size: 26px; }
  .qa-item summary { font-size: 14.5px; }
  .sec-head h2 { font-size: 26px; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
  .adv-grid, .lawyer-grid, .case-list { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: 1fr; }
  .team-banner { justify-content: center; text-align: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { text-align: center; }
  .contact-card { padding: 24px 18px; }
  .contact-form-wrap { padding: 24px 18px; }
  .card-actions { grid-template-columns: 1fr; }

  /* 底部快捷拨号栏 */
  .mobile-bar { display: grid; }
  body { padding-bottom: 56px; }
  .back-top { right: 14px; bottom: 72px; }
}

@media (max-width: 380px) {
  .brand-text small { display: none; }
  .hero-left h1 { font-size: 23px; }
}