/* ==========================================================================
   上海盛沃律师事务所 · 房产交易钱款纠纷专题站
   纯 CSS3，深蓝底色主题，圆角上限 3px，兼容移动端
   ========================================================================== */

/* ---------- 基础变量 ---------- */
:root {
  --blue-950: #05183f;
  --blue-900: #071f52;
  --blue-850: #082766;
  --blue-800: #0a2e75;
  --blue-700: #0e3c94;
  --blue-600: #134db8;
  --blue-500: #1e63e0;
  --blue-400: #4d87f2;
  --blue-300: #86aef8;
  --blue-200: #c0d7fc;
  --blue-100: #e0ecfe;
  --blue-50: #f2f7ff;

  --gold: #ffb81c;
  --gold-deep: #f0a800;
  --white: #ffffff;
  --ink: #0a2e75;
  --text-soft: rgba(255, 255, 255, 0.78);
  --text-faint: rgba(255, 255, 255, 0.55);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);
  --card: rgba(255, 255, 255, 0.055);
  --card-strong: rgba(255, 255, 255, 0.09);
  --radius: 2px;
  --shadow: 0 20px 48px rgba(2, 10, 32, 0.3);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
    "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: #fff;
  background: var(--blue-850);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img,
svg {
  vertical-align: middle;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}
address {
  font-style: normal;
}
[hidden] {
  display: none !important;
}

/* ---------- 通用布局 ---------- */
.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
}
.section {
  padding: clamp(64px, 9vw, 108px) 0;
  scroll-margin-top: 78px;
}
.section--deep {
  background: var(--blue-900);
}
.section--mid {
  background: var(--blue-800);
}
.section--soft {
  background: var(--blue-50);
  color: var(--ink);
}
.section--dark {
  background: var(--blue-950);
}

/* 区块标题 */
.section-head {
  max-width: 860px;
  margin: 0 auto clamp(36px, 5vw, 56px);
  text-align: center;
}
.section-head h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 12px 0 16px;
}
.section-head .lead {
  color: var(--text-soft);
  font-size: clamp(15px, 1.6vw, 17px);
}
.section--soft .section-head .lead {
  color: #46618f;
}
.section-head--left {
  margin-inline: 0;
  text-align: left;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 14px;
  border: 1px solid var(--line-strong);
  color: var(--blue-200);
  font-size: 13px;
  letter-spacing: 3px;
}
.section--soft .eyebrow {
  border-color: rgba(10, 46, 117, 0.25);
  color: var(--blue-700);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--gold);
  flex: none;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  padding: 15px 28px;
  border-radius: var(--radius);
  transition: background 0.25s ease, color 0.25s ease, transform 0.15s ease,
    border-color 0.25s ease;
  white-space: nowrap;
}
.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}
.btn-gold {
  background: var(--gold);
  color: #07255c;
}
.btn-gold:hover {
  background: var(--gold-deep);
}
.btn-light {
  background: var(--white);
  color: var(--ink);
}
.btn-light:hover {
  background: var(--blue-100);
}
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: #fff;
  background: transparent;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}
.btn-blue {
  background: var(--blue-500);
  color: #fff;
}
.btn-blue:hover {
  background: var(--blue-600);
}
.btn-lg {
  font-size: 18px;
  padding: 17px 34px;
}
.btn:active {
  transform: translateY(1px);
}
.btn-tel {
  letter-spacing: 0.5px;
}

/* 浅色区按钮修正 */
.section--soft .btn-ghost {
  border-color: rgba(10, 46, 117, 0.35);
  color: var(--ink);
}
.section--soft .btn-ghost:hover {
  background: var(--blue-100);
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(8, 39, 102, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 24, 63, 0.96);
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  flex: none;
  background: var(--blue-500);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.brand-text b {
  display: block;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
  white-space: nowrap;
}
.brand-text span {
  display: block;
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 2px;
  margin-top: 2px;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 15px;
  color: var(--text-soft);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-links a:hover {
  color: #fff;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
}
.header-hours {
  text-align: right;
  font-size: 12.5px;
  color: var(--text-faint);
  line-height: 1.5;
}
.header-hours b {
  display: block;
  color: var(--blue-200);
  font-size: 15px;
  letter-spacing: 0.5px;
}
.header-call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.header-call svg {
  width: 17px;
  height: 17px;
}

/* 移动端横向快捷导航 */
.chipnav {
  display: none;
  border-top: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}
.chipnav::-webkit-scrollbar {
  display: none;
}
.chipnav ul {
  display: flex;
  gap: 8px;
  padding: 10px 20px;
  width: max-content;
}
.chipnav a {
  flex: none;
  font-size: 13.5px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  color: var(--blue-200);
}
.chipnav a:hover {
  background: var(--card-strong);
}

/* ---------- 首屏 Hero：左右结构 ---------- */
.hero {
  padding-top: 74px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background:
    radial-gradient(900px 520px at 88% -12%, rgba(77, 135, 242, 0.4), transparent 62%),
    radial-gradient(700px 460px at -8% 110%, rgba(30, 99, 224, 0.32), transparent 60%),
    linear-gradient(180deg, var(--blue-900) 0%, var(--blue-850) 100%);
  position: relative;
}
.hero .container {
  flex: 1 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
  padding-top: clamp(28px, 5vh, 56px);
  padding-bottom: clamp(28px, 5vh, 56px);
}
.hero-copy .eyebrow {
  margin-bottom: 18px;
}
.hero-copy h1 {
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.hero-copy h1 .hl {
  color: var(--gold);
}
.hero-sub {
  color: var(--text-soft);
  font-size: clamp(15px, 1.8vw, 17px);
  max-width: 560px;
  margin-bottom: 26px;
}
.pain-list {
  border-left: 2px solid var(--blue-400);
  padding-left: clamp(18px, 2.4vw, 26px);
  display: grid;
  gap: 13px;
  margin-bottom: 22px;
}
.pain-item {
  position: relative;
  padding-left: 22px;
}
.pain-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}
.pain-item b {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
}
.pain-item span {
  display: block;
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.6;
}
.hero-guide {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-top: 8px;
}
.hero-guide-note {
  font-size: 13.5px;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-guide-note svg {
  width: 15px;
  height: 15px;
  color: var(--blue-300);
  flex: none;
}

/* 右侧咨询卡片 */
.consult-panel {
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 36px);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--gold);
  position: relative;
}
.consult-panel::after {
  content: "房产交易钱款纠纷 · 咨询专线";
  position: absolute;
  top: -14px;
  left: 20px;
  background: var(--gold);
  color: #07255c;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 5px 14px;
}
.consult-panel h2 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: #123a7c;
  margin-bottom: 18px;
}
.hotline-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px dashed #c9d8f2;
  margin-bottom: 16px;
}
.hotline-label {
  font-size: 13px;
  color: #5a739f;
  line-height: 1.4;
}
.hotline-label b {
  display: block;
  font-size: 14px;
  color: #123a7c;
}
.hotline-num {
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 800;
  color: #d89100;
  letter-spacing: 1px;
  white-space: nowrap;
  line-height: 1.2;
}
.panel-rows {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}
.panel-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: #33507f;
  line-height: 1.6;
}
.panel-row svg {
  width: 16px;
  height: 16px;
  color: var(--blue-600);
  flex: none;
  margin-top: 3px;
}
.panel-row b {
  color: #0e356e;
}
.panel-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0;
}
.panel-fact {
  background: var(--blue-50);
  padding: 10px 6px;
  text-align: center;
}
.panel-fact b {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--blue-700);
  line-height: 1.3;
}
.panel-fact span {
  display: block;
  font-size: 11.5px;
  color: #5a739f;
  margin-top: 2px;
}
.consult-panel .btn-gold {
  width: 100%;
  font-size: 18px;
  padding: 16px;
}
.consult-panel .btn-gold svg {
  width: 20px;
  height: 20px;
}
.panel-tip {
  margin-top: 12px;
  font-size: 12px;
  color: #8aa0c4;
  text-align: center;
  line-height: 1.6;
}

/* 首屏底部信任条 */
.trust-strip {
  position: relative;
  background: var(--blue-950);
  border-top: 1px solid var(--line);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.trust-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px clamp(12px, 2vw, 24px);
  border-right: 1px solid var(--line);
}
.trust-cell:last-child {
  border-right: none;
}
.trust-cell svg {
  width: 26px;
  height: 26px;
  color: var(--gold);
  flex: none;
}
.trust-cell b {
  display: block;
  font-size: 14.5px;
  line-height: 1.45;
}
.trust-cell span {
  display: block;
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.5;
}

/* ---------- 通用卡片网格 ---------- */
.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 2.6vw, 30px);
  transition: transform 0.25s ease, border-color 0.25s ease,
    background 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-400);
  background: var(--card-strong);
}
.card .card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: rgba(77, 135, 242, 0.16);
  border: 1px solid var(--line-strong);
  margin-bottom: 16px;
}
.card .card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--blue-200);
}

/* ---------- 律师团队 ---------- */
.team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 4.4vw, 56px);
}
.team-intro .eyebrow {
  margin-bottom: 16px;
}
.team-intro h2 {
  font-size: clamp(25px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 16px;
}
.team-intro .lead {
  color: var(--text-soft);
  margin-bottom: 22px;
  max-width: 780px;
}
.team-points {
  display: grid;
  gap: 12px;
}
.team-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px 16px;
}
.team-point svg {
  width: 18px;
  height: 18px;
  color: var(--gold);
  flex: none;
  margin-top: 4px;
}
.team-point b {
  display: block;
  font-size: 15px;
  line-height: 1.5;
}
.team-point span {
  font-size: 13.5px;
  color: var(--text-faint);
}
.team-note {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--text-faint);
  border-left: 2px solid var(--blue-400);
  padding-left: 12px;
  line-height: 1.7;
}
.lawyer-card {
  text-align: center;
  padding: clamp(24px, 3vw, 34px) clamp(16px, 2vw, 24px);
  position: relative;
}
.lawyer-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.lawyer-card:hover::before {
  opacity: 1;
}
.lawyer-badge {
  width: 76px;
  height: 76px;
  margin: 0 auto 14px;
  background: linear-gradient(160deg, var(--blue-600), var(--blue-800));
  border: 1px solid var(--blue-400);
  display: grid;
  place-items: center;
  font-size: 30px;
  font-weight: 800;
  color: #fff;
}
.lawyer-card h3 {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 2px;
}
.lawyer-card .lawyer-title {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--blue-200);
  border: 1px solid var(--line-strong);
  padding: 3px 12px;
}
.lawyer-desc {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.8;
}
.lawyer-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}
.lawyer-tags span {
  font-size: 12px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  padding: 3px 10px;
}
.lawyers-grid .card:nth-child(2) .lawyer-badge {
  background: linear-gradient(160deg, #2d6fe0, #1b4fb5);
}

/* ---------- 团队优势 ---------- */
.adv-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.adv-num {
  align-self: flex-end;
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.14);
  margin-bottom: -6px;
  font-family: Georgia, "Times New Roman", serif;
}
.adv-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 10px 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.adv-card h3::before {
  content: "";
  width: 14px;
  height: 3px;
  background: var(--gold);
  flex: none;
}
.adv-card p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.9;
  margin-top: auto;
}

/* ---------- 专题总览导航 ---------- */
.topic-nav-grid {
  grid-template-columns: repeat(3, 1fr);
}
.topic-nav-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.topic-nav-card .topic-nav-no {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--gold);
  font-weight: 700;
}
.topic-nav-card h3 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.5;
}
.topic-nav-card p {
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.8;
  flex: 1;
}
.topic-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue-200);
  font-size: 14px;
  font-weight: 700;
  margin-top: 4px;
}
.topic-nav-link svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}
.topic-nav-link:hover svg {
  transform: translateX(4px);
}

/* ---------- 五大专题 ---------- */
.topic {
  padding: clamp(56px, 7vw, 88px) 0;
  scroll-margin-top: 78px;
  border-top: 1px solid var(--line);
}
.topic-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 22px;
  align-items: start;
  margin-bottom: clamp(24px, 3vw, 34px);
}
.topic-no {
  grid-row: 1 / 4;
  font-size: clamp(52px, 6vw, 72px);
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.12);
  font-family: Georgia, "Times New Roman", serif;
}
.topic-head .eyebrow {
  margin-top: 8px;
}
.topic-head h3 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.4;
  margin: 4px 0 10px;
}
.topic-head .topic-desc {
  color: var(--text-soft);
  max-width: 720px;
  font-size: 15px;
}
.topic-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2.2vw, 24px);
}
.topic-col {
  background: var(--card);
  border: 1px solid var(--line);
  padding: clamp(20px, 2.4vw, 28px);
}
.topic-col h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.topic-col h4 svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
  flex: none;
}
.topic-list {
  display: grid;
  gap: 11px;
}
.topic-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}
.topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--blue-400);
}
.topic-list li b {
  color: #fff;
  font-weight: 700;
}
.topic-law {
  border-color: rgba(255, 184, 28, 0.35);
  background: rgba(255, 184, 28, 0.05);
}
.topic-law h4 svg {
  color: var(--gold);
}
.topic-law .topic-list li::before {
  background: var(--gold);
}
.legal-note {
  margin-top: 18px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.8;
  border: 1px dashed rgba(255, 255, 255, 0.28);
}
.topic-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: clamp(20px, 2.6vw, 30px);
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}
.topic-foot p {
  font-size: 14.5px;
  color: var(--text-soft);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.topic-foot p svg {
  width: 17px;
  height: 17px;
  color: var(--gold);
  flex: none;
}
.topic-foot .btn {
  padding: 11px 20px;
  font-size: 14.5px;
}

/* ---------- 胜诉案例 ---------- */
.cases-grid {
  grid-template-columns: repeat(4, 1fr);
}
.case-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.case-type {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 8px;
}
.case-card h3 {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 12px;
}
.case-card p {
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.9;
  flex: 1;
}
.case-result {
  margin-top: 16px;
  border-left: 3px solid var(--gold);
  background: rgba(255, 184, 28, 0.08);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--blue-100);
  line-height: 1.7;
}
.case-result b {
  display: block;
  font-size: 11.5px;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: 4px;
}
.disclaimer {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: clamp(24px, 3vw, 34px) auto 0;
  max-width: 940px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed var(--line-strong);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.9;
}
.disclaimer svg {
  width: 18px;
  height: 18px;
  color: var(--blue-300);
  flex: none;
  margin-top: 3px;
}

/* ---------- 流程 ---------- */
.steps-grid {
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--card);
}
.step {
  padding: clamp(20px, 2.4vw, 28px);
  border-right: 1px solid var(--line);
  position: relative;
}
.step:last-child {
  border-right: none;
}
.step-no {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.step-no i {
  width: 32px;
  height: 32px;
  background: var(--blue-500);
  color: #fff;
  font-style: normal;
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 15px;
}
.step-no::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}
.step h3 {
  font-size: 15.5px;
  font-weight: 800;
  margin-bottom: 8px;
}
.step p {
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.8;
}

/* ---------- FAQ（浅色区） ---------- */
.faq-area {
  padding: clamp(64px, 8vw, 100px) 0;
  scroll-margin-top: 78px;
}
.faq-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
  gap: clamp(26px, 4vw, 60px);
  align-items: start;
}
.faq-side {
  position: sticky;
  top: 110px;
}
.faq-side h2 {
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.4;
  margin: 14px 0;
}
.faq-side p {
  color: #4c6793;
  font-size: 15px;
  margin-bottom: 22px;
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid #d6e4f8;
  border-left: 3px solid var(--blue-600);
  transition: border-color 0.25s ease;
}
.faq-item.open {
  border-left-color: var(--gold);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 18px 22px;
  font-size: 15.5px;
  font-weight: 700;
  color: #0c316e;
  line-height: 1.6;
}
.faq-q svg {
  width: 16px;
  height: 16px;
  flex: none;
  color: var(--blue-500);
  transition: transform 0.25s ease;
}
.faq-item.open .faq-q svg {
  transform: rotate(180deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-a-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: #46618f;
  line-height: 2;
}
.faq-a-inner b {
  color: #0c316e;
}

/* ---------- 联系/CTA ---------- */
.contact-area {
  padding: clamp(64px, 9vw, 110px) 0;
  scroll-margin-top: 78px;
  background:
    radial-gradient(760px 420px at 10% 0%, rgba(77, 135, 242, 0.32), transparent 62%),
    linear-gradient(180deg, var(--blue-950), var(--blue-900));
  border-top: 1px solid var(--line);
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(30px, 4.6vw, 64px);
  align-items: center;
}
.contact-copy h2 {
  font-size: clamp(27px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.4;
  margin: 14px 0 16px;
}
.contact-copy p {
  color: var(--text-soft);
  max-width: 520px;
  margin-bottom: 26px;
}
.contact-big-num {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 6px;
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", sans-serif;
}
.contact-copy .btn-gold {
  margin-top: 18px;
}
.contact-card {
  background: #fff;
  color: var(--ink);
  padding: clamp(24px, 3vw, 34px);
  border-top: 4px solid var(--gold);
}
.contact-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
  color: #123a7c;
}
.contact-line {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px dashed #d3e1f6;
  font-size: 14px;
  color: #33507f;
}
.contact-line:last-of-type {
  border-bottom: none;
}
.contact-line svg {
  width: 18px;
  height: 18px;
  color: var(--blue-600);
  flex: none;
  margin-top: 3px;
}
.contact-line b {
  color: #0e356e;
  display: block;
}
.contact-card .visit-tip {
  margin-top: 8px;
  background: var(--blue-50);
  padding: 10px 14px;
  font-size: 12.5px;
  color: #5a739f;
  line-height: 1.8;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--blue-950);
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 52px) 0 0;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  padding-bottom: 30px;
}
.footer-brand .brand {
  margin-bottom: 14px;
}
.footer-about {
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 2;
  max-width: 420px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 14px;
  color: var(--blue-200);
}
.footer-col ul {
  display: grid;
  gap: 8px;
}
.footer-col li {
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.8;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.footer-col li svg {
  width: 14px;
  height: 14px;
  color: var(--blue-400);
  flex: none;
  margin-top: 5px;
}
.footer-col a:hover {
  color: #fff;
}
.footer-legal {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-legal a {
  color: var(--blue-300);
}
.footer-notice {
  padding: 12px 0 22px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.9;
}

/* ---------- 移动端拨号底栏 ---------- */
.dock-call {
  display: none;
}
.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line-strong);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.to-top.show {
  opacity: 1;
  pointer-events: auto;
}
.to-top svg {
  width: 18px;
  height: 18px;
}

/* ---------- 入场动画 ---------- */
.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) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .card,
  .faq-a,
  .faq-item {
    transition: none;
  }
}

/* ---------- 响应式：略窄桌面（避免顶栏挤压导致名称断行） ---------- */
@media (max-width: 1260px) {
  .header-hours {
    display: none;
  }
  .nav-links {
    gap: 0;
  }
  .nav-links a {
    padding: 8px 10px;
  }
  .header-actions {
    gap: 10px;
  }
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1100px) {
  .nav-links {
    display: none;
  }
  .chipnav {
    display: block;
  }
  .header-main {
    min-height: 66px;
  }
  .hero {
    padding-top: 126px;
  }
  .header-hours {
    display: none;
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .step {
    border-bottom: 1px solid var(--line);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-cell:nth-child(2) {
    border-right: none;
  }
  .trust-cell:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

/* ---------- 响应式：手机 ---------- */
@media (max-width: 860px) {
  .hero .container,
  .team-layout,
  .topic-body,
  .contact-grid,
  .faq-wrap {
    grid-template-columns: 1fr;
  }
  .faq-side {
    position: static;
  }
  .hero {
    min-height: 0;
    padding-top: 132px;
  }
  .container {
    width: min(1180px, 100% - 36px);
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .topic-nav-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy h1 {
    font-size: clamp(25px, 6.4vw, 34px);
  }
  .header-call {
    padding: 9px 14px;
    font-size: 15px;
  }
  .brand-text b {
    font-size: 16px;
  }
  .brand-text span {
    font-size: 10.5px;
    letter-spacing: 1px;
  }
  .contact-big-num {
    font-size: 27px;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  /* 移动端固定拨号条 */
  .dock-call {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    background: rgba(5, 24, 63, 0.97);
    border-top: 1px solid var(--line-strong);
    padding: 8px 14px calc(8px + env(safe-area-inset-bottom));
  }
  .dock-call a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: var(--gold);
    color: #07255c;
    font-size: 17px;
    font-weight: 800;
    padding: 13px 0;
  }
  .dock-call svg {
    width: 19px;
    height: 19px;
  }
  body {
    padding-bottom: 62px;
  }
  .to-top {
    bottom: 76px;
    right: 14px;
  }
  .hero-guide {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-guide .btn {
    width: 100%;
  }
  .hotline-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ---------- 小屏 ---------- */
@media (max-width: 480px) {
  .eyebrow {
    font-size: 11.5px;
    letter-spacing: 2px;
    padding: 4px 10px;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .trust-cell {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .trust-cell:last-child {
    border-bottom: none;
  }
  .header-hours {
    display: none;
  }
  .contact-copy .btn {
    width: 100%;
  }
  .topic-head {
    grid-template-columns: 1fr;
  }
  .topic-no {
    font-size: 40px;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step {
    border-right: none;
  }
  .step:last-child {
    border-bottom: none;
  }
  .panel-facts {
    grid-template-columns: 1fr;
  }
  .panel-fact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    text-align: left;
  }
  .panel-fact b {
    font-size: 14px;
  }
  .panel-fact span {
    margin-top: 0;
  }
}