/* ==========================================================
   上海盛沃律师事务所 · 企业法律顾问落地页
   主色 #A61C2E 深红 · 点缀 #C9A063 金色
   ========================================================== */

:root {
  --red: #A61C2E;
  --red-dark: #7d1523;
  --red-deep: #5c0e19;
  --red-soft: #faf3f4;
  --gold: #C9A063;
  --gold-light: #e5c896;
  --ink: #23262b;
  --ink-soft: #4a4f57;
  --gray-bg: #f6f4f1;
  --line: #e8e2da;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(90, 20, 30, .10);
  --shadow-lg: 0 22px 50px rgba(90, 20, 30, .16);
  --radius: 14px;
  --maxw: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1, h2, h3 { line-height: 1.3; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; position: relative; }
.section:nth-of-type(even) { background: var(--gray-bg); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block;
  color: var(--red);
  font-size: 13px;
  letter-spacing: 4px;
  font-weight: 700;
  margin-bottom: 14px;
  position: relative;
  padding: 0 46px;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 34px;
  height: 1px;
  background: var(--gold);
}
.section-eyebrow::before { left: 0; }
.section-eyebrow::after { right: 0; }
.section-title { font-size: clamp(26px, 3.4vw, 38px); color: var(--red-deep); font-weight: 700; }
.section-desc { margin-top: 14px; color: var(--ink-soft); font-size: 16px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  border: none;
  cursor: pointer;
}
.btn svg { width: 19px; height: 19px; }
.btn-primary { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: var(--white); box-shadow: 0 10px 24px rgba(166, 28, 46, .35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(166, 28, 46, .42); }
.btn-gold { background: linear-gradient(135deg, var(--gold), #b78a4e); color: var(--white); box-shadow: 0 10px 24px rgba(201, 160, 99, .4); }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(201, 160, 99, .5); }
.btn-ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255, 255, 255, .75); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); transform: translateY(-3px); }
.btn-sm { padding: 11px 24px; font-size: 14px; }
.btn-lg { padding: 18px 42px; font-size: 17px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(90, 20, 30, .12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-badge {
  width: 44px; height: 44px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: var(--gold-light);
  font-size: 17px;
  font-weight: 800;
  font-family: "STKaiti", "KaiTi", serif;
  border-radius: 10px;
  box-shadow: 0 6px 14px rgba(166, 28, 46, .3);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 17px; color: var(--red-deep); letter-spacing: 1px; }
.brand-text small { font-size: 10px; color: var(--gold); letter-spacing: 1.6px; font-weight: 600; }
.main-nav ul { display: flex; gap: 34px; }
.main-nav a { font-size: 15px; color: var(--ink-soft); font-weight: 600; position: relative; padding: 6px 0; transition: color .25s; }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width .3s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--red); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.header-right { display: flex; align-items: center; gap: 22px; }
.header-tel { display: flex; align-items: center; gap: 8px; color: var(--red); font-weight: 800; font-size: 18px; transition: transform .25s; }
.header-tel svg { width: 20px; height: 20px; }
.header-tel:hover { transform: scale(1.04); }
.nav-toggle { display: none; width: 42px; height: 42px; background: var(--red); border: none; border-radius: 8px; cursor: pointer; position: relative; z-index: 1100; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--white); margin: 5px auto; transition: transform .3s ease, opacity .3s ease; }
.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); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(1000px 500px at 85% 15%, rgba(201, 160, 99, .16), transparent 60%),
    linear-gradient(150deg, var(--red-deep) 0%, var(--red-dark) 48%, var(--red) 100%);
  color: var(--white);
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg, .hero-grid { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
}
.hero-ring { position: absolute; border: 1.5px solid rgba(201, 160, 99, .35); border-radius: 50%; }
.hero-ring-1 { width: 480px; height: 480px; top: -140px; right: -120px; }
.hero-ring-2 { width: 300px; height: 300px; bottom: -110px; left: -90px; border-color: rgba(255, 255, 255, .12); }
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 780px; }
.hero-eyebrow {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(201, 160, 99, .55);
  border-radius: 999px;
  color: var(--gold-light);
  font-size: 13px;
  letter-spacing: 3px;
  margin-bottom: 26px;
}
.hero h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 800; margin-bottom: 24px; }
.hero h1 .gold {
  display: block;
  background: linear-gradient(90deg, var(--gold-light), var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { font-size: clamp(15px, 1.8vw, 18px); color: rgba(255, 255, 255, .88); max-width: 620px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 42px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li {
  padding: 6px 16px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, .82);
}
.hero-scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, .45);
  border-radius: 999px;
  transform: translateX(-50%);
}
.hero-scroll span {
  position: absolute;
  left: 50%; top: 8px;
  width: 4px; height: 8px;
  background: var(--gold-light);
  border-radius: 4px;
  transform: translateX(-50%);
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 1; transform: translate(-50%, 0); }
  70% { opacity: 0; transform: translate(-50%, 14px); }
  100% { opacity: 0; }
}

/* ---------- 数字条 ---------- */
.stats {
  background: linear-gradient(135deg, var(--red-dark), var(--red));
  color: var(--white);
  position: relative;
  z-index: 3;
  margin-top: -2px;
}
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); padding: 44px 24px; }
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0; top: 50%;
  width: 1px; height: 46px;
  background: rgba(255, 255, 255, .2);
  transform: translateY(-50%);
}
.stat-num { display: block; font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--gold-light); }
.stat-num small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.stat-label { font-size: 13px; color: rgba(255, 255, 255, .78); letter-spacing: 2px; margin-top: 6px; display: block; }

/* ---------- 关于 ---------- */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.about-text p { margin-bottom: 18px; color: var(--ink-soft); }
.about-text p strong { color: var(--red); }
.about-points { margin: 26px 0 34px; display: grid; gap: 12px; }
.about-points li {
  position: relative;
  padding-left: 30px;
  color: var(--ink);
  font-weight: 600;
}
.about-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 17px; height: 17px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23A61C2E'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.about-card {
  border-radius: 20px;
  padding: 3px;
  background: linear-gradient(160deg, var(--gold), var(--red), var(--red-deep));
  box-shadow: var(--shadow-lg);
}
.about-card-inner {
  background: linear-gradient(160deg, var(--red-dark), var(--red-deep));
  border-radius: 18px;
  padding: 48px 40px;
  color: var(--white);
  text-align: center;
}
.about-card-icon {
  width: 66px; height: 66px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 160, 99, .16);
  border: 1px solid rgba(201, 160, 99, .5);
  border-radius: 50%;
  color: var(--gold-light);
}
.about-card-icon svg { width: 32px; height: 32px; }
.about-card h3 { font-size: 22px; margin-bottom: 16px; }
.about-card p { color: rgba(255, 255, 255, .82); font-size: 14px; margin-bottom: 28px; }
.about-tel { color: var(--gold-light); font-weight: 700; letter-spacing: 1px; font-size: 15px; }

/* ---------- 为何聘请 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.why-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 30px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.why-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.why-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.why-card:hover::before { transform: scaleX(1); }
.why-num {
  display: block;
  font-size: 44px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(166, 28, 46, .35);
  line-height: 1;
  margin-bottom: 18px;
}
.why-card h3 { font-size: 19px; color: var(--red-deep); margin-bottom: 12px; }
.why-card p { font-size: 14px; color: var(--ink-soft); }
.why-cta {
  margin-top: 56px;
  text-align: center;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  border-radius: var(--radius);
  padding: 40px 24px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}
.why-cta p { font-size: clamp(18px, 2.4vw, 24px); font-weight: 700; margin-bottom: 24px; }

/* ---------- 服务范围 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: 0 6px 20px rgba(90, 20, 30, .06);
  border: 1px solid var(--line);
  transition: transform .35s ease, box-shadow .35s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-icon {
  width: 58px; height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red-soft);
  border-radius: 14px;
  color: var(--red);
  margin-bottom: 22px;
  transition: background .3s ease, color .3s ease;
}
.service-icon svg { width: 28px; height: 28px; }
.service-card:hover .service-icon { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: var(--gold-light); }
.service-card h3 { font-size: 18px; color: var(--red-deep); margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- 风险提示 ---------- */
.risk-list { max-width: 880px; margin: 0 auto; display: grid; gap: 20px; }
.risk-item {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 34px;
  box-shadow: 0 6px 20px rgba(90, 20, 30, .06);
  border-left: 4px solid var(--gold);
}
.risk-icon {
  flex: none;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red-soft);
  color: var(--red);
  border-radius: 50%;
  font-size: 22px;
  font-weight: 800;
}
.risk-item h3 { font-size: 17px; color: var(--red-deep); margin-bottom: 6px; }
.risk-item p { font-size: 14px; color: var(--ink-soft); }

/* ---------- 解决路径 ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  left: 10%; right: 10%; top: 34px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--gold), transparent);
}
.process-step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: transform .35s ease, box-shadow .35s ease;
}
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.process-num {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: var(--gold-light);
  font-size: 18px;
  font-weight: 800;
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(166, 28, 46, .3);
}
.process-step h3 { font-size: 16px; color: var(--red-deep); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--ink-soft); }
.process-cta { text-align: center; margin-top: 56px; }
.process-cta p { font-size: 18px; font-weight: 700; color: var(--red-deep); margin-bottom: 22px; }

/* ---------- 法律依据 ---------- */
.law-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.law-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 34px;
  box-shadow: 0 6px 20px rgba(90, 20, 30, .06);
  border-top: 4px solid var(--red);
  transition: transform .35s ease, box-shadow .35s ease;
}
.law-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.law-card h3 { font-size: 18px; color: var(--red-deep); margin-bottom: 12px; }
.law-card h3::before { content: "◆ "; color: var(--gold); font-size: 13px; }
.law-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 16px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(90, 20, 30, .05);
}
.faq-item[open] { border-color: rgba(166, 28, 46, .35); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color .25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--red); }
.faq-arrow {
  flex: none;
  width: 30px; height: 30px;
  position: relative;
  border-radius: 50%;
  background: var(--red-soft);
  transition: background .3s, transform .3s;
}
.faq-arrow::before, .faq-arrow::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--red);
  border-radius: 2px;
  transform: translate(-50%, -50%);
}
.faq-arrow::before { width: 12px; height: 2px; }
.faq-arrow::after { width: 2px; height: 12px; }
.faq-item[open] .faq-arrow { transform: rotate(45deg); background: var(--red); }
.faq-item[open] .faq-arrow::before, .faq-item[open] .faq-arrow::after { background: var(--white); }
.faq-body { padding: 0 28px 24px; color: var(--ink-soft); font-size: 14px; }

/* ---------- 联系我们 ---------- */
.contact-box {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 90% 10%, rgba(201, 160, 99, .2), transparent 60%),
    linear-gradient(140deg, var(--red-deep), var(--red-dark) 60%, var(--red));
  padding: 70px 48px;
  color: var(--white);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.contact-bg { position: absolute; inset: 0; pointer-events: none; }
.contact-bg .hero-ring-1 { width: 320px; height: 320px; top: -140px; right: -100px; }
.contact-bg .hero-ring-2 { width: 240px; height: 240px; bottom: -120px; left: -80px; border-color: rgba(255, 255, 255, .12); }
.contact-content { position: relative; z-index: 2; }
.contact-eyebrow { font-size: 13px; letter-spacing: 4px; color: var(--gold-light); margin-bottom: 14px; }
.contact-content h2 { font-size: clamp(24px, 3.2vw, 36px); margin-bottom: 16px; }
.contact-desc { max-width: 640px; margin: 0 auto 36px; color: rgba(255, 255, 255, .85); font-size: 15px; }
.contact-actions .btn { margin-bottom: 18px; }
.contact-tip { font-size: 13px; color: rgba(255, 255, 255, .7); letter-spacing: 1px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--red-deep); color: rgba(255, 255, 255, .78); padding: 68px 0 34px; }
.footer-top { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 48px; padding-bottom: 44px; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.footer-brand p { font-size: 14px; margin-top: 16px; line-height: 1.9; }
.footer-links h3, .footer-contact h3 { color: var(--white); font-size: 16px; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-links h3::after, .footer-contact h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 32px; height: 2px;
  background: var(--gold);
}
.footer-links ul { display: grid; gap: 9px; }
.footer-links a { font-size: 14px; transition: color .25s, padding-left .25s; }
.footer-links a:hover { color: var(--gold-light); padding-left: 6px; }
.footer-tel { display: inline-block; font-size: 26px; font-weight: 800; color: var(--gold-light); margin-bottom: 12px; }
.footer-tel:hover { color: var(--gold); }
.footer-contact p { font-size: 13px; }
.footer-keywords { padding: 30px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.footer-keywords h3 { font-size: 13px; color: var(--gold-light); letter-spacing: 2px; margin-bottom: 14px; }
.footer-keywords a { display: inline-block; font-size: 13px; margin: 0 18px 10px 0; color: rgba(255, 255, 255, .6); transition: color .25s; }
.footer-keywords a:hover { color: var(--gold-light); }
.footer-bottom { padding-top: 30px; text-align: center; font-size: 13px; }
.footer-disclaimer { margin-top: 8px; opacity: .6; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: var(--white);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(166, 28, 46, .35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
  z-index: 900;
}
.back-top svg { width: 22px; height: 22px; }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--red-dark); }

/* ---------- 移动端拨号栏 ---------- */
.mobile-call-bar { display: none; }

/* ---------- 滚动入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================
   响应式
   ========================================================== */

/* ---------- 平板 1024 ---------- */
@media (max-width: 1024px) {
  .why-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .process-grid::before { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-card-inner { max-width: 520px; margin: 0 auto; }
  .section { padding: 80px 0; }
}

/* ---------- 平板 900 ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 74px; left: 0; right: 0;
    background: var(--white);
    box-shadow: 0 20px 40px rgba(90, 20, 30, .18);
    padding: 10px 24px 22px;
    transform: translateY(-130%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s ease, opacity .35s ease, visibility .35s;
    z-index: 1050;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { display: block; padding: 13px 14px; font-size: 16px; border-radius: 8px; }
  .main-nav a:hover, .main-nav a.active { background: var(--red-soft); color: var(--red); }
  .main-nav a::after { display: none; }
  .header-tel-num { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .mobile-call-bar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    color: var(--white);
    padding: 15px 20px calc(15px + env(safe-area-inset-bottom));
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 -6px 24px rgba(120, 20, 30, .35);
  }
  .mobile-call-bar svg { width: 22px; height: 22px; color: var(--gold-light); }
  .mobile-call-bar strong { color: var(--gold-light); font-size: 18px; margin-left: 6px; }
  body { padding-bottom: 0; }
  .back-top { bottom: 92px; right: 18px; }
}

/* ---------- 手机 560 ---------- */
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .header-inner { height: 64px; }
  .brand-text strong { font-size: 15px; }
  .brand-text small { display: none; }
  .brand-badge { width: 38px; height: 38px; font-size: 15px; }
  .main-nav { top: 64px; }
  .hero { min-height: 100svh; padding: 120px 0 70px; }
  .hero-actions .btn { width: 100%; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 28px 0; padding: 36px 18px; }
  .stat:nth-child(2)::after { display: none; }
  .why-grid, .services-grid, .law-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-step { padding: 24px 16px; }
  .risk-item { padding: 24px 20px; gap: 16px; flex-direction: column; }
  .risk-icon { width: 38px; height: 38px; font-size: 18px; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-body { padding: 0 20px 20px; }
  .contact-box { padding: 52px 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .hero-ring-1 { width: 300px; height: 300px; right: -140px; }
  .why-card { padding: 30px 24px; }
  .service-card { padding: 30px 24px; }
  .law-card { padding: 28px 24px; }
  .back-top { bottom: 90px; }
}