/* =========================================================
   上海盛沃律师事务所 - 商品房/新房纠纷单页网站
   配色：蓝色系 + 适当留白 | 圆角不超过3px | 无emoji图标
   ========================================================= */

:root {
  --blue-900: #0A2C57;
  --blue-800: #0E3A6E;
  --blue-700: #124A8A;
  --blue-600: #1559A8;
  --blue-500: #1966C4;
  --blue-400: #2E7EDC;
  --blue-300: #5C9BE8;
  --blue-200: #9CC2F0;
  --blue-100: #E7F0FB;
  --blue-50:  #F4F8FD;
  --ink:   #1F2937;
  --ink-2: #4B5563;
  --ink-3: #6B7280;
  --line:  #E3E9F1;
  --white: #FFFFFF;
  --radius: 3px;
  --shadow: 0 10px 32px rgba(10, 44, 87, 0.08);
  --shadow-lg: 0 18px 48px rgba(10, 44, 87, 0.14);
  --container: 1200px;
  --header-h: 68px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 重置与基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.in { opacity: 1 !important; transform: none !important; transition: none !important; }
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.35; color: var(--blue-900); font-weight: 700; }
strong { font-weight: 700; }

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

section[id], footer[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s, box-shadow .25s, transform .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--blue-500); color: #fff; box-shadow: 0 6px 18px rgba(25, 102, 196, 0.28); }
.btn-primary:hover { background: var(--blue-600); color: #fff; box-shadow: 0 8px 22px rgba(25, 102, 196, 0.36); }

.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; }

.btn-ghost-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 34px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  transition: background .25s, border-color .25s;
}
.btn-ghost-lg:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; color: #fff; }

.btn-solid-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 26px;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius);
  background: var(--blue-500);
  color: #fff;
  transition: background .25s, box-shadow .25s;
  flex: 1;
}
.btn-solid-lg:hover { background: var(--blue-600); color: #fff; }

.btn-line-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 26px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--blue-300);
  color: var(--blue-600);
  background: var(--white);
  transition: background .25s, border-color .25s;
  flex: 1;
}
.btn-line-lg:hover { background: var(--blue-100); border-color: var(--blue-400); color: var(--blue-700); }

.btn-white-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 40px;
  font-size: 17px;
  font-weight: 700;
  border-radius: var(--radius);
  background: #fff;
  color: var(--blue-700);
  box-shadow: 0 10px 26px rgba(2, 20, 45, 0.25);
  transition: transform .15s, background .25s;
  white-space: nowrap;
}
.btn-white-lg:hover { background: var(--blue-100); color: var(--blue-800); transform: translateY(-2px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 4px 18px rgba(10, 44, 87, 0.1); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--blue-900); }
.brand-mark {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-600);
  color: #fff;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 17px; letter-spacing: 1px; color: var(--blue-900); }
.brand-text small { font-size: 12px; color: var(--ink-3); letter-spacing: 0.5px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--radius);
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--blue-500); background: var(--blue-100); }
.main-nav a.active { color: var(--blue-600); font-weight: 700; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 17px;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: 0.5px;
}
.header-tel:hover { color: var(--blue-700); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  padding: 0 9px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--blue-800);
  border-radius: 1px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle.active .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.active .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + 56px) 0 40px;
  background:
    radial-gradient(1000px 500px at 88% -10%, rgba(92, 155, 232, 0.35), transparent 60%),
    radial-gradient(800px 420px at -10% 110%, rgba(46, 126, 220, 0.28), transparent 60%),
    linear-gradient(160deg, var(--blue-800) 0%, var(--blue-700) 55%, var(--blue-900) 100%);
  color: #fff;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--blue-200);
  margin-bottom: 18px;
}
.hero-eyebrow::before {
  content: "";
  width: 34px; height: 2px;
  background: var(--blue-300);
  border-radius: 1px;
}

.hero h1 {
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hero h1 .hl {
  color: var(--blue-200);
  border-bottom: 3px solid rgba(156, 194, 240, 0.6);
  padding-bottom: 4px;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  max-width: 560px;
  margin-bottom: 26px;
}

.pain-box {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 28px;
}
.pain-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.pain-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.94);
}
.pain-list li + li { margin-top: 6px; }
.pain-dot {
  position: absolute;
  left: 2px;
  top: 11px;
  width: 8px; height: 8px;
  background: var(--blue-300);
  transform: rotate(45deg);
  border-radius: 1px;
}

.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

/* 首屏右侧咨询卡 */
.hero-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 34px 32px;
  color: var(--ink);
  position: relative;
}
.card-flag {
  display: inline-block;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.hero-card h2 { font-size: 22px; color: var(--blue-900); margin-bottom: 8px; }
.card-desc { font-size: 14px; color: var(--ink-2); margin-bottom: 18px; }

.tel-big {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--blue-600);
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.tel-big:hover { color: var(--blue-700); }

.card-meta li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}
.card-meta li + li { margin-top: 10px; }
.card-meta svg { color: var(--blue-400); flex-shrink: 0; margin-top: 2px; }
.card-meta strong { color: var(--blue-700); }

.card-actions { display: flex; gap: 12px; margin-top: 22px; }

/* 首屏数据条 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  width: 100%;
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 26px;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
}
.hero-stats strong {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 2px;
}
.hero-stats li + li { border-left: 1px solid rgba(255, 255, 255, 0.18); }
.hero-stats span { font-size: 13px; color: var(--blue-200); }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--blue-50); }
.section-alt .topic, .section-alt .faq-list { background: #fff; }

.section-head { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--blue-500);
  margin-bottom: 10px;
}
.section-head .eyebrow::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 26px; height: 2px;
  background: var(--blue-400);
  margin-right: 10px;
  border-radius: 1px;
}
.section-head .eyebrow::after {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 26px; height: 2px;
  background: var(--blue-400);
  margin-left: 10px;
  border-radius: 1px;
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 34px); font-weight: 800; letter-spacing: 1px; }
.section-head .lead { margin-top: 14px; font-size: 15px; color: var(--ink-2); }

/* ---------- 律师团队 ---------- */
.lawyer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lawyer-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.lawyer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-300);
}
.lawyer-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.lawyer-avatar {
  width: 62px; height: 62px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, var(--blue-500), var(--blue-800));
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.lawyer-head h3 { font-size: 19px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.lawyer-head .tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-100);
  border: 1px solid var(--blue-200);
  padding: 2px 8px;
  border-radius: var(--radius);
}
.lawyer-head p { font-size: 13px; color: var(--ink-3); margin-top: 2px; line-height: 1.5; }
.lawyer-bio { font-size: 14px; color: var(--ink-2); margin-bottom: 14px; }
.lawyer-points li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.8;
}
.lawyer-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 7px;
  background: var(--blue-400);
  transform: rotate(45deg);
  border-radius: 1px;
}
.team-note {
  margin-top: 28px;
  text-align: center;
  font-size: 14px;
  color: var(--ink-2);
  background: var(--blue-100);
  border: 1px solid var(--blue-200);
  border-radius: var(--radius);
  padding: 14px 20px;
}

/* ---------- 团队优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.adv-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.adv-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-300); }
.adv-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  background: var(--blue-100);
  color: var(--blue-600);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.adv-item h3 { font-size: 17px; margin-bottom: 8px; }
.adv-item p { font-size: 14px; color: var(--ink-2); }

/* ---------- 胜诉案例 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 24px;
  position: relative;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-300); }
.case-num {
  position: absolute;
  top: 20px; right: 22px;
  font-size: 30px;
  font-weight: 800;
  color: var(--blue-100);
  line-height: 1;
}
.case-card h3 {
  font-size: 16px;
  color: var(--blue-900);
  padding-right: 46px;
  margin-bottom: 12px;
}
.case-card ul li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.case-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 6px; height: 6px;
  background: var(--blue-400);
  transform: rotate(45deg);
  border-radius: 1px;
}
.case-card ul li + li { margin-top: 6px; }
.case-card ul li strong { color: var(--blue-700); }

.case-card-cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(160deg, var(--blue-700), var(--blue-900));
  border-color: transparent;
  color: #fff;
}
.case-card-cta:hover { border-color: transparent; }
.case-card-cta h3 { color: #fff; padding-right: 0; }
.case-card-cta p { font-size: 13.5px; color: rgba(255, 255, 255, 0.85); margin-bottom: 16px; }
.case-card-cta .btn { margin-top: auto; }

.disclaimer {
  margin-top: 26px;
  font-size: 12.5px;
  color: var(--ink-3);
  text-align: center;
}

/* ---------- 纠纷专题 ---------- */
.topic-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 44px;
}
.topic-chips a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 16px;
  transition: color .2s, border-color .2s, background .2s;
}
.topic-chips a:hover { color: var(--blue-600); border-color: var(--blue-400); background: var(--blue-100); }

.topic {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px 34px;
}
.topic + .topic { margin-top: 32px; }

.topic-main h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  margin-bottom: 12px;
}
.topic-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px; height: 38px;
  padding: 0 8px;
  background: var(--blue-500);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
}
.topic-desc { font-size: 14.5px; color: var(--ink-2); margin-bottom: 18px; }

.topic-block { margin-bottom: 16px; }
.topic-block h4 {
  font-size: 15px;
  color: var(--blue-700);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.topic-block h4::before {
  content: "";
  width: 10px; height: 10px;
  background: var(--blue-400);
  transform: rotate(45deg);
  border-radius: 1px;
}
.topic-block ul li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}
.topic-block ul li::before {
  content: "";
  position: absolute;
  left: 2px; top: 12px;
  width: 5px; height: 5px;
  border: 1px solid var(--blue-400);
  transform: rotate(45deg);
  border-radius: 1px;
}

.topic-tip {
  background: var(--blue-100);
  border-left: 3px solid var(--blue-500);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.topic-tip h4 { font-size: 14px; color: var(--blue-700); margin-bottom: 4px; }
.topic-tip p { font-size: 13.5px; color: var(--ink-2); }

.topic-cta {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 14px;
  background: var(--blue-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
}
.topic-cta p { font-size: 15px; font-weight: 700; color: var(--blue-900); }
.topic-cta span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 政策法规 ---------- */
.policy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.policy-list {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 28px;
}
.policy-list li {
  position: relative;
  padding-left: 24px;
  padding-bottom: 18px;
}
.policy-list li + li { padding-top: 18px; border-top: 1px dashed var(--line); }
.policy-dot {
  position: absolute;
  left: 0; top: 9px;
  width: 9px; height: 9px;
  background: var(--blue-500);
  transform: rotate(45deg);
  border-radius: 1px;
}
.policy-list li strong { font-size: 15px; color: var(--blue-800); display: block; }
.policy-list li p { font-size: 13.5px; color: var(--ink-2); margin-top: 2px; }

.policy-note {
  margin-top: 24px;
  background: var(--blue-100);
  border: 1px solid var(--blue-200);
  border-left: 3px solid var(--blue-500);
  border-radius: var(--radius);
  padding: 16px 22px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.policy-note strong { color: var(--blue-700); }

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-list details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-list details + details { margin-top: 12px; }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 24px 18px 52px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--blue-900);
  position: relative;
  transition: color .2s, background .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--blue-600); background: var(--blue-50); }
.faq-list summary::before {
  content: "问";
  position: absolute;
  left: 18px; top: 17px;
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-500);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius);
}
.faq-list summary::after {
  content: "";
  position: absolute;
  right: 22px; top: 50%;
  width: 8px; height: 8px;
  border-right: 2px solid var(--blue-400);
  border-bottom: 2px solid var(--blue-400);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s;
}
.faq-list details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-list details[open] summary { border-bottom: 1px solid var(--line); }
.faq-list details p {
  padding: 18px 24px 20px 52px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-2);
}

/* ---------- CTA横条 ---------- */
.cta-bar {
  background:
    radial-gradient(700px 360px at 90% 0%, rgba(46, 126, 220, 0.35), transparent 60%),
    linear-gradient(120deg, var(--blue-700), var(--blue-900));
  padding: 56px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: #fff; font-size: clamp(22px, 2.6vw, 28px); letter-spacing: 1px; }
.cta-inner p { color: rgba(255, 255, 255, 0.85); margin-top: 6px; font-size: 15px; }

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-300); }
.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  background: var(--blue-100);
  color: var(--blue-600);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.contact-card h3 { font-size: 17px; margin-bottom: 10px; }
.contact-card p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.contact-tel {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: 1px;
  margin: 4px 0 6px;
}
.contact-tel:hover { color: var(--blue-700); }
.contact-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
  border-bottom: 1px solid var(--blue-300);
  padding-bottom: 2px;
}
.contact-link:hover { color: var(--blue-700); border-color: var(--blue-500); }
.contact-url { font-size: 13px !important; color: var(--blue-600) !important; word-break: break-all; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--blue-900);
  color: rgba(255, 255, 255, 0.78);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 48px;
  padding: 56px 24px 40px;
}
.footer-grid h3 {
  color: #fff;
  font-size: 16px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-grid h3::after {
  content: "";
  display: block;
  width: 28px; height: 2px;
  background: var(--blue-400);
  margin-top: 10px;
  border-radius: 1px;
}
.footer-brand p { font-size: 13.5px; line-height: 2; }
.footer-nav ul li { margin-bottom: 8px; }
.footer-nav a { color: rgba(255, 255, 255, 0.78); font-size: 14px; }
.footer-nav a:hover { color: #fff; }
.footer-contact ul li {
  font-size: 13.5px;
  line-height: 1.9;
  padding-left: 0;
}
.footer-contact a { color: var(--blue-200); }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
}
.footer-bottom p { font-size: 12.5px; text-align: center; }
.footer-disclaimer { margin-top: 6px; color: rgba(255, 255, 255, 0.5); max-width: 900px; margin-left: auto; margin-right: auto; }

/* ---------- 移动端快捷栏 ---------- */
.mobile-bar {
  display: none;
}

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式适配 ---------- */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(10, 44, 87, 0.12);
    padding: 10px 24px 18px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 10px; border-bottom: 1px solid var(--blue-50); font-size: 16px; }
  .main-nav a.active { background: var(--blue-100); }
  .nav-toggle { display: flex; }
  .header-call { display: none; }

  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-grid { gap: 40px; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .topic { grid-template-columns: 1fr 220px; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 560px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .hero-stats li { padding: 10px 8px; }
  .hero-stats li:nth-child(3) { border-left: none; }
  .hero-stats li:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, 0.18); }
  .hero-stats li:nth-child(odd) { border-left: none; }
  .topic { grid-template-columns: 1fr; }
  .topic-cta { flex-direction: row; align-items: center; text-align: left; gap: 18px; flex-wrap: wrap; }
  .topic-cta span { font-size: 13px; }
  .policy-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
  .lawyer-grid { grid-template-columns: 1fr; }
  .brand-text small { display: none; }
  .header-tel span { display: none; }
  .header-tel { font-size: 20px; }
  .hero { padding-bottom: 30px; }
  .hero h1 { font-size: 28px; }
  .hero-cta .btn-lg, .hero-cta .btn-ghost-lg { flex: 1; }
  .case-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; padding: 0 8px; }
  .faq-list summary { font-size: 15px; padding: 16px 20px 16px 46px; }
  .faq-list summary::before { left: 14px; }
  .faq-list details p { padding: 16px 20px 18px 46px; }
  .cta-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .cta-bar { padding: 44px 0; }

  /* 移动端底部快捷栏 */
  body { padding-bottom: 64px; }
  .mobile-bar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 200;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 -6px 20px rgba(10, 44, 87, 0.18);
  }
  .mobile-bar-btn {
    flex: 1;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
  }
  .mobile-bar-call { background: var(--blue-500); }
  .mobile-bar-call:active { background: var(--blue-600); }
  .mobile-bar-chat { background: var(--blue-800); }
  .mobile-bar-chat:active { background: var(--blue-900); }
}

@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-card { padding: 26px 22px; }
  .tel-big { font-size: 26px; }
  .card-actions { flex-direction: column; }
  .hero-stats strong { font-size: 22px; }
  .topic { padding: 26px 20px; }
  .topic-chips a { padding: 7px 12px; font-size: 13px; }
  .footer-grid { padding: 44px 16px 32px; }
}