/* =========================================================
   上海盛沃律师事务所 · 房产确权/共有/析产 单页
   纯 CSS3 · 无圆角（视觉元素全部直角） · 蓝色主调
   ========================================================= */

:root {
  --navy: #0a3370;
  --navy-d: #07234f;
  --navy-l: #0e4ea8;
  --blue: #1554c8;
  --blue-l: #2a6fe0;
  --blue-t: #eaf1fc;
  --blue-p: #f4f8ff;
  --gold: #c49a41;
  --gold-h: #d7ab52;
  --gold-p: #fbf5e6;
  --ink: #132441;
  --ink-2: #3d4f73;
  --muted: #64748f;
  --line: #dde6f4;
  --w: #ffffff;
  --shadow: 0 12px 32px rgba(10, 51, 112, 0.12);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--ink);
  background: var(--w);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

svg { vertical-align: middle; }

.ic {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

a { color: var(--blue); }
p { overflow-wrap: break-word; }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- 按钮（全部直角） ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--w);
  background: var(--blue);
  border: 1px solid transparent;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-gold { background: var(--gold); color: #0b2a5c; font-weight: 700; }
.btn-gold:hover { background: var(--gold-h); }

.btn-blue { background: var(--navy); }
.btn-blue:hover { background: var(--blue-l); }

.btn-line { background: transparent; border-color: rgba(255, 255, 255, 0.45); color: var(--w); }
.btn-line:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.7); }

.btn-ghost { background: transparent; border-color: var(--line-d); color: var(--navy); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn-lg { padding: 13px 28px; font-size: 16px; }
.btn-xl { padding: 15px 34px; font-size: 17px; }
.btn-block { width: 100%; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--navy-d); color: #c9d9f2; font-size: 12.5px; }
.topbar-in { display: flex; justify-content: space-between; align-items: center; min-height: 36px; }
.topbar-l, .topbar-r { display: flex; align-items: center; gap: 7px; }
.tb-sep { width: 1px; height: 12px; background: rgba(255, 255, 255, 0.22); margin: 0 4px; }
.topbar a { color: #c9d9f2; text-decoration: none; }
.topbar a:hover { color: var(--gold-h); }

/* ---------- 头部导航 ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}
.site-head.scrolled { box-shadow: 0 6px 18px rgba(10, 51, 112, 0.08); }
.head-in { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, var(--blue-l), var(--navy));
  color: var(--w);
  border: 2px solid var(--w);
  box-shadow: 0 0 0 1px var(--blue);
}
.brand-txt { display: flex; flex-direction: column; line-height: 1.35; }
.brand-txt strong { font-size: 19px; color: var(--navy); letter-spacing: 0.04em; font-weight: 700; }
.brand-txt em { font-style: normal; font-size: 11px; color: var(--gold); font-weight: 600; letter-spacing: 0.14em; }

.main-nav { display: flex; gap: 4px; }
.main-nav a {
  position: relative;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 12px;
  transition: color 0.2s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

.head-act { display: flex; align-items: center; gap: 10px; }
.btn-tel { padding: 9px 16px; font-size: 14.5px; font-weight: 700; letter-spacing: 0.03em; }
.btn-tel .ic { color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 10px;
  background: var(--blue-t);
  border: 1px solid var(--line-d);
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--navy); transition: transform 0.25s, opacity 0.25s; }
.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); }

/* ---------- 区块通用 ---------- */
.sec { padding: 78px 0; }
.sec-head { text-align: center; max-width: 820px; margin: 0 auto 44px; }

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.3em;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before, .eyebrow::after {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--gold);
}

.sec-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  color: var(--navy);
  line-height: 1.35;
  font-weight: 700;
}
.sec-lead { color: var(--muted); font-size: 15.5px; margin-top: 14px; }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(140deg, var(--navy-d) 0%, var(--navy) 46%, #0f55b8 100%);
  background-size: 52px 52px, 52px 52px, auto;
  color: var(--w);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: -160px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transform: rotate(45deg);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
  padding-top: clamp(48px, 7vh, 84px);
  padding-bottom: clamp(56px, 8vh, 96px);
  min-height: calc(100vh - 112px);
}

.hero .eyebrow { color: #a9c6f5; }
.hero .eyebrow::before, .hero .eyebrow::after { background: var(--gold); }
.hero .eyebrow::before { display: none; }

.hero-left h1 {
  font-size: clamp(29px, 4vw, 48px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.01em;
  animation: rise 0.7s ease both;
}
.hero-left h1 span {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.5em;
  font-weight: 600;
  color: #c7dcfb;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  line-height: 1.6;
}
.hero-lead { color: #d3e2fa; font-size: 15.5px; margin-top: 20px; max-width: 620px; }
.hero-lead strong { color: var(--w); font-weight: 700; }

.pain-list { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
.pain-list li { display: flex; gap: 11px; align-items: flex-start; animation: rise 0.6s ease both; }
.pain-list .ic { color: #f3cd78; margin-top: 6px; }
.pain-list p { font-size: 14.5px; color: #dce8fb; }
.pain-list strong { color: var(--w); font-weight: 600; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; animation: rise 0.8s ease both; }
.hero-note { color: #93b1e2; font-size: 12.5px; margin-top: 14px; }

.hero-right { animation: rise 0.9s ease both; }
.call-card {
  background: var(--w);
  color: var(--ink);
  border-top: 4px solid var(--gold);
  padding: 28px 26px 24px;
  box-shadow: 0 22px 50px rgba(4, 24, 61, 0.35);
}
.cc-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--blue);
  background: var(--blue-t);
  padding: 4px 12px;
}
.call-card h2 { font-size: 21px; color: var(--navy); line-height: 1.5; margin: 16px 0 18px; }
.cc-num {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(24px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--navy);
  text-decoration: none;
  border: 1px solid var(--line-d);
  padding: 12px 16px;
  margin-bottom: 14px;
  background: var(--blue-p);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cc-num:hover { border-color: var(--blue); box-shadow: 0 6px 18px rgba(21, 84, 200, 0.12); }
.cc-num .ic { color: var(--gold); }
.cc-meta { list-style: none; margin-top: 16px; display: grid; gap: 10px; }
.cc-meta li { display: flex; gap: 11px; align-items: flex-start; }
.cc-meta .ic { color: var(--blue); margin-top: 5px; }
.cc-meta span { font-size: 13.5px; color: var(--muted); line-height: 1.6; }
.cc-meta strong { display: block; color: var(--ink); font-size: 13.5px; }

.hero-secure {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 13px 16px;
  font-size: 13.5px;
  color: #cfe0f8;
  line-height: 1.7;
}
.hero-secure .ic { color: var(--gold); margin-top: 5px; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 数据条 ---------- */
.stat-strip { background: var(--navy-d); border-top: 1px solid rgba(255, 255, 255, 0.1); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item {
  text-align: center;
  padding: 26px 14px;
  color: var(--w);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}
.stat-item:last-child { border-right: none; }
.stat-item b { display: block; font-size: 27px; font-weight: 800; color: var(--w); letter-spacing: 0.02em; }
.stat-item b i {
  font-style: normal;
  color: var(--gold-h);
  font-size: 34px;
  margin-right: 2px;
}
.stat-item span { display: block; margin-top: 4px; font-size: 13px; color: #b6cbf0; }

/* ---------- 律师团队 ---------- */
.team-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  background: linear-gradient(120deg, var(--navy), var(--blue-l));
  padding: 22px 28px;
  margin-bottom: 26px;
}
.band-main { display: flex; align-items: center; gap: 14px; color: var(--w); font-size: 15px; line-height: 1.7; }
.band-main .ic { color: var(--gold-h); }
.band-main b { font-size: 19px; color: var(--gold-h); margin: 0 2px; }
.band-sub { color: #bcd3f5; font-size: 13.5px; }

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lawyer-card {
  background: var(--w);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 24px 22px 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.lawyer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-top-color: var(--gold); }
.lc-top { display: flex; align-items: center; gap: 15px; }
.lc-avatar {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, var(--blue-l), var(--navy));
  color: var(--w);
  font-size: 22px;
  font-weight: 700;
  flex: none;
}
.lawyer-card h3 { font-size: 18px; color: var(--navy); line-height: 1.4; }
.lc-dir { font-size: 12.5px; color: var(--gold); font-weight: 600; margin-top: 2px; }
.lc-desc { font-size: 14px; color: var(--ink-2); margin-top: 16px; flex: 1; }
.lc-quote {
  margin-top: 16px;
  font-size: 13.5px;
  color: #6b5a33;
  background: var(--gold-p);
  border-left: 3px solid var(--gold);
  padding: 10px 13px;
  line-height: 1.8;
}

.team-note { margin-top: 30px; border: 1px solid var(--line); display: grid; grid-template-columns: repeat(4, 1fr); }
.tn-item { padding: 16px 20px; border-right: 1px solid var(--line); }
.tn-item:last-child { border-right: none; }
.tn-item b { display: block; color: var(--navy); font-size: 15px; }
.tn-item span { display: block; margin-top: 3px; font-size: 13px; color: var(--muted); line-height: 1.6; }

/* ---------- 七类纠纷总览 ---------- */
.types-sec { background: var(--blue-p); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.types-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.type-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--w);
  border: 1px solid var(--line);
  padding: 22px 20px 18px;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.type-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}
.type-card:hover { border-color: var(--blue); transform: translateY(-3px); box-shadow: var(--shadow); }
.type-card:hover::before { transform: scaleX(1); }
.tc-no { font-size: 22px; font-weight: 800; color: #dce6f5; line-height: 1; transition: color 0.25s; }
.type-card:hover .tc-no { color: var(--gold); }
.type-card .ic { color: var(--navy); margin-top: 12px; }
.type-card h3 { font-size: 16.5px; color: var(--navy); margin-top: 8px; line-height: 1.5; }
.type-card p { font-size: 13px; color: var(--muted); margin-top: 6px; flex: 1; }
.tc-more {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.type-cta {
  background: linear-gradient(150deg, var(--blue-l), var(--navy));
  border-color: var(--navy);
  color: var(--w);
}
.type-cta::before { background: var(--gold-h); }
.type-cta .ic, .type-cta h3 { color: var(--w); }
.type-cta .tc-no { display: none; }
.type-cta p { color: #c4d7f5; }
.type-cta .tc-more { color: var(--gold-h); border-top-color: rgba(255, 255, 255, 0.25); }
.type-cta:hover { border-color: var(--gold); }

/* ---------- 纠纷专题详情 ---------- */
.topic { padding: 76px 0; }
.topic-alt { background: var(--blue-p); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.topic-head { max-width: 880px; }
.topic-head h2 { font-size: clamp(25px, 3vw, 35px); color: var(--navy); line-height: 1.4; }
.topic-lead { color: var(--muted); font-size: 15px; margin-top: 12px; }

.topic-body { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; margin-top: 30px; }
.t-col h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  color: var(--navy);
  border-left: 4px solid var(--gold);
  padding-left: 12px;
  margin-bottom: 12px;
}

.tick-list { list-style: none; }
.tick-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 1px dashed #e4ebf5;
}
.tick-list li:last-child { border-bottom: none; }
.tick-list .ic { color: var(--blue); margin-top: 6px; }

.call-mini {
  margin-top: 14px;
  background: var(--blue-t);
  border-left: 3px solid var(--blue);
  padding: 12px 15px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
}
.call-mini a { font-weight: 700; color: var(--blue); white-space: nowrap; }

.num-list { list-style: none; counter-reset: law; }
.num-list li {
  position: relative;
  counter-increment: law;
  padding: 7px 0 9px 42px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 1px dashed #e4ebf5;
}
.num-list li:last-child { border-bottom: none; }
.num-list li::before {
  content: counter(law);
  position: absolute;
  left: 0;
  top: 10px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: var(--w);
  font-size: 13px;
  font-weight: 700;
}
.num-list b { color: var(--ink); }

.risk-box {
  margin-top: 16px;
  border: 1px solid #eeddb8;
  background: var(--gold-p);
  padding: 14px 16px;
}
.rb-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #97722b;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 6px;
}
.risk-box > p:last-child { font-size: 13.5px; color: #6f5c33; line-height: 1.8; }

.topic-foot {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px dashed var(--line-d);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.topic-foot > span { font-size: 13.5px; color: var(--muted); }

/* ---------- 典型案例 ---------- */
.cases-sec {
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(150deg, var(--navy-d), var(--navy));
  background-size: 48px 48px, 48px 48px, auto;
}
.cases-sec .sec-head h2 { color: var(--w); }
.cases-sec .sec-lead { color: #bccff2; }
.cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.case-card {
  background: var(--w);
  border-left: 4px solid var(--gold);
  padding: 22px 24px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.case-card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(4, 20, 52, 0.35); }
.cc-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-t);
  padding: 3px 10px;
  letter-spacing: 0.08em;
}
.case-card h3 { font-size: 16.5px; color: var(--navy); line-height: 1.55; margin: 12px 0 8px; }
.case-card p { font-size: 13.8px; color: var(--muted); line-height: 1.85; }
.cases-note {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 14px 18px;
  color: #c8d9f5;
  font-size: 13.5px;
  line-height: 1.8;
}
.cases-note .ic { color: var(--gold-h); margin-top: 5px; }
.cases-note a { color: var(--gold-h); font-weight: 700; white-space: nowrap; }

/* ---------- 服务流程 ---------- */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
  margin-top: 8px;
}
.step {
  position: relative;
  background: var(--blue-p);
  border: 1px solid var(--line);
  padding: 24px 20px 20px;
}
.step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -20px;
  width: 22px;
  height: 2px;
  background: var(--gold);
}
.step:last-child::after { display: none; }
.step-no { font-size: 30px; font-weight: 800; color: #d6e2f6; display: block; line-height: 1; }
.step h3 { font-size: 15.5px; color: var(--navy); margin: 12px 0 6px; line-height: 1.5; }
.step p { font-size: 13px; color: var(--muted); line-height: 1.8; }
.process-cta { text-align: center; margin-top: 38px; }
.process-cta p { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 16px; }

/* ---------- 常见问答 ---------- */
.faq-sec { background: var(--blue-p); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq { background: var(--w); border: 1px solid var(--line); margin-bottom: 12px; }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  cursor: pointer;
  padding: 17px 20px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  transition: color 0.2s, background-color 0.2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover, .faq[open] summary { color: var(--blue); background: var(--blue-p); }
.faq summary .ic { color: var(--gold); transition: transform 0.25s; }
.faq[open] summary .ic { transform: rotate(180deg); }
.faq > p {
  padding: 14px 22px 18px;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.95;
  border-top: 1px dashed var(--line);
}
.faq-ps { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 18px; }

/* ---------- 联系律所转化区 ---------- */
.cta-sec {
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(140deg, var(--navy-d) 0%, var(--navy) 50%, #1054b4 100%);
  background-size: 56px 56px, 56px 56px, auto;
}
.cta-in {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
  color: var(--w);
}
.cta-txt .eyebrow { color: #a9c6f5; }
.cta-txt h2 { font-size: clamp(25px, 3vw, 36px); line-height: 1.5; font-weight: 800; }
.cta-txt > p { color: #c9dcf8; font-size: 15.5px; margin: 18px 0 26px; max-width: 560px; }
.cta-cards { display: grid; gap: 14px; }
.cta-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 18px 20px;
  transition: background-color 0.25s, transform 0.25s;
}
.cta-card:hover { background: rgba(255, 255, 255, 0.1); transform: translateX(4px); }
.cc-ico {
  grid-row: 1 / 3;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--gold-h);
}
.cta-card h3 { font-size: 13px; color: #9db8e8; font-weight: 600; letter-spacing: 0.06em; }
.cta-card p { font-size: 18px; font-weight: 700; line-height: 1.5; }
.cta-card p a { color: var(--w); text-decoration: none; }
.cta-card p a:hover { color: var(--gold-h); }
.cc-sub { grid-column: 2; font-size: 13px; color: #a9bfe6; line-height: 1.7; }

/* ---------- 页脚 ---------- */
.site-foot { background: #071f45; color: #9db4dd; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1.1fr 1.4fr;
  gap: 40px;
  padding-top: 52px;
  padding-bottom: 40px;
}
.brand-foot .brand-mark { width: 38px; height: 38px; }
.brand-foot strong { color: var(--w); font-size: 17px; }
.brand-foot em { color: #7d97c8; letter-spacing: 0.22em; font-size: 10px; }
.foot-brand > p { font-size: 13.5px; line-height: 2; margin-top: 16px; max-width: 360px; }
.foot-nav h3, .foot-note h3 { font-size: 15px; color: var(--w); margin-bottom: 14px; font-weight: 600; }
.foot-nav a { display: block; color: #8fa8d8; text-decoration: none; font-size: 13.5px; padding: 4px 0; line-height: 1.8; }
.foot-nav a:hover { color: var(--gold-h); }
.foot-note p { font-size: 12.5px; color: #7d95c4; line-height: 1.95; }
.foot-copy { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 18px 24px; text-align: center; }
.foot-copy p { font-size: 12.5px; color: #7791c2; letter-spacing: 0.02em; }

/* ---------- 移动端底部快捷栏 ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  grid-template-columns: 1.5fr 1fr;
  border-top: 2px solid var(--navy);
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -6px 18px rgba(10, 51, 112, 0.16);
}
.mb-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--w);
  color: var(--navy);
  text-decoration: none;
  padding: 10px 8px;
}
.mb-call .ic { color: var(--gold); }
.mb-call b { display: block; font-size: 14.5px; line-height: 1.3; }
.mb-call i { display: block; font-style: normal; font-size: 12px; color: var(--muted); line-height: 1.3; }
.mb-consult {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, var(--gold-h), var(--gold));
  color: #0b2a5c;
  font-size: 15.5px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.06em;
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 80;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: var(--w);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, background-color 0.25s, transform 0.25s;
}
.to-top .ic { transform: rotate(-90deg); }
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--blue-l); }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .types-grid { grid-template-columns: repeat(3, 1fr); }
  .team-note { grid-template-columns: repeat(2, 1fr); }
  .tn-item:nth-child(2) { border-right: none; }
  .tn-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr 1fr; gap: 14px; }
  .step::after { display: none; }
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 0; }
  .hero-left h1 span { font-size: 0.52em; }
  .hero-right { max-width: 520px; }
  .topic-body { grid-template-columns: 1fr; gap: 30px; }
  .cta-in { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 860px) {
  .topbar { display: none; }
  html { scroll-padding-top: 72px; }
  .head-in { min-height: 62px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-txt strong { font-size: 16.5px; }
  .brand-txt em { font-size: 10px; }

  .main-nav {
    position: fixed;
    top: 63px;
    left: 0;
    right: 0;
    z-index: 55;
    display: flex;
    flex-direction: column;
    background: var(--w);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(10, 51, 112, 0.12);
    padding: 8px 16px 14px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s, opacity 0.25s, visibility 0.25s;
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav a { padding: 11px 8px; font-size: 15.5px; border-bottom: 1px dashed var(--line); }
  .main-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .btn-tel .tel-num { display: none; }
  .head-act .btn-tel { width: 42px; padding: 0; border: 1px solid var(--line-d); }
  .btn-tel .ic { color: var(--blue); }
}

@media (max-width: 720px) {
  .sec { padding: 56px 0; }
  .wrap { padding-left: 18px; padding-right: 18px; }
  .hero-grid { padding-top: 38px; padding-bottom: 46px; gap: 30px; }
  .hero-cta .btn { width: 100%; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .types-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .type-card { padding: 16px 14px 14px; }
  .team-band { flex-direction: column; align-items: flex-start; gap: 8px; padding: 18px 20px; }
  .steps { grid-template-columns: 1fr; }
  .team-note { grid-template-columns: 1fr; }
  .tn-item { border-right: none; border-bottom: 1px solid var(--line); }
  .tn-item:last-child { border-bottom: none; }
  .case-card { padding: 18px 16px; }
  .foot-grid { grid-template-columns: 1fr; gap: 24px; padding-top: 40px; }
  .mobile-bar { display: grid; }
  body { padding-bottom: 58px; }
  .to-top { display: none; }
  .faq summary { font-size: 14.5px; padding: 14px 16px; }
  .cta-card { padding: 15px 16px; }
}

@media (max-width: 400px) {
  .types-grid { grid-template-columns: 1fr; }
  .brand-txt em { display: none; }
  .hero-left h1 span { padding-left: 10px; }
  .call-card { padding: 22px 18px; }
}