/* ==========================================================
   上海盛沃律师事务所 · 继承房产纠纷单页
   配色：蓝色为底色，白色留白；全局不使用圆角（0-3px）
   ========================================================== */

/* ---------- 基础与变量 ---------- */
:root{
  --c-950:#061a3c;
  --c-900:#0b2554;
  --c-800:#10306e;
  --c-700:#16418f;
  --c-600:#1e56b8;
  --c-500:#2567d6;
  --c-100:#dfeafb;
  --c-50:#f2f6fd;
  --ink:#1c2d4a;
  --muted:#5a6b85;
  --line:#e3ebf7;
  --amber:#f6b51f;
  --amber-d:#dd9d06;
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;border-radius:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:inline-block;vertical-align:middle;}
a{color:inherit;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-weight:800;line-height:1.32;}
button{font-family:inherit;}
section{scroll-margin-top:84px;}

.container{max-width:1180px;margin:0 auto;padding:0 24px;}

.icon{width:20px;height:20px;flex:none;}
.icon-sm{width:16px;height:16px;flex:none;}
.icon-lg{width:30px;height:30px;flex:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;font-size:17px;font-weight:700;line-height:1.3;
  text-decoration:none;cursor:pointer;border:2px solid transparent;
  transition:background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-block{width:100%;}
.btn-call{background:var(--amber);border-color:var(--amber);color:#241a02;}
.btn-call:hover{background:var(--amber-d);border-color:var(--amber-d);}
.btn-light{background:#fff;color:var(--c-800);border-color:#fff;}
.btn-light:hover{background:var(--c-100);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 6px 22px rgba(8,28,80,.08);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none;}
.brand-mark{
  width:44px;height:44px;flex:none;
  background:linear-gradient(135deg,var(--c-700),var(--c-500));
  color:#fff;font-size:22px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.brand-text strong{display:block;font-size:18px;color:var(--c-900);letter-spacing:.5px;line-height:1.3;}
.brand-text small{display:block;font-size:12px;color:var(--muted);letter-spacing:2px;}

.main-nav ul{display:flex;align-items:center;}
.main-nav a{
  display:block;padding:9px 12px;font-size:15px;color:#2c3f5e;
  text-decoration:none;font-weight:500;white-space:nowrap;
  transition:color .2s ease;
}
.main-nav a:hover{color:var(--c-600);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn-phone-top{
  background:var(--c-600);color:#fff;
  padding:11px 18px;font-size:15px;font-weight:700;gap:8px;
  text-decoration:none;display:inline-flex;align-items:center;
  border:2px solid var(--c-600);transition:background .25s ease;
}
.btn-phone-top:hover{background:var(--c-700);border-color:var(--c-700);}
.btn-phone-top .icon{width:17px;height:17px;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;background:transparent;border:1px solid var(--line);
  cursor:pointer;padding:9px;
}
.nav-toggle span{display:block;height:2px;background:var(--c-900);transition:transform .3s ease,opacity .3s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 首屏 Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(150deg,#071b42 0%,#0c2d63 46%,#154fa6 100%);
}
.hero-bg{position:absolute;inset:0;pointer-events:none;}
.hero-grid{
  position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-tri{position:absolute;right:-160px;bottom:-190px;width:560px;height:560px;}
.hero-inner{
  position:relative;display:grid;
  grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;
  min-height:calc(100vh - 76px);padding:72px 24px 88px;
}
.hero-eyebrow{justify-content:flex-start;color:#ffd98a;margin-bottom:16px;}
.hero-eyebrow span{background:#ffd98a;}
.hero h1{font-size:clamp(30px,3.6vw,46px);line-height:1.28;color:#fff;letter-spacing:.5px;}
.hero-lead{margin:20px 0 28px;font-size:16.5px;color:rgba(255,255,255,.85);}
.hero-lead strong{color:#ffd98a;font-weight:700;}

.pain-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  padding:20px 24px 6px;
}
.pain-title{color:#ffd98a;font-weight:800;font-size:15.5px;letter-spacing:1px;margin-bottom:4px;}
.pain-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:10px 0;font-size:15px;color:rgba(255,255,255,.93);
  border-bottom:1px dashed rgba(255,255,255,.14);
}
.pain-list li:last-child{border-bottom:none;}
.pain-list .icon-alert{width:17px;height:17px;margin-top:6px;color:#ffc966;flex:none;}

.hero-card{
  background:#fff;color:var(--ink);
  padding:34px 34px 28px;
  border-top:6px solid var(--amber);
  box-shadow:0 30px 70px rgba(3,14,42,.4);
}
.card-kicker{
  display:flex;align-items:center;gap:10px;
  color:var(--c-600);font-weight:800;font-size:13px;letter-spacing:2px;
}
.card-kicker::before{content:"";width:22px;height:3px;background:var(--amber);}
.hero-card h2{font-size:22px;color:var(--c-900);margin:14px 0 10px;}
.hero-phone{
  display:flex;align-items:center;justify-content:center;gap:14px;
  font-size:clamp(30px,3.4vw,38px);font-weight:800;color:var(--c-700);
  text-decoration:none;letter-spacing:.5px;
  padding:14px 0 12px;
  border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);
  margin-bottom:12px;
}
.hero-phone:hover{color:var(--c-500);}
.hero-servetime{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:18px;
}
.hero-servetime .icon-sm{color:var(--c-600);}
.hero-card .btn-call{font-size:18px;padding:16px 20px;}
.card-note{font-size:13px;color:#74839d;line-height:1.8;margin-top:16px;}
.hero-badges{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  margin-top:20px;
}
.hero-badges li{
  background:var(--c-50);border:1px solid var(--line);
  padding:12px 8px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:#26427e;line-height:1.45;
}
.hero-badges .icon-sm{width:20px;height:20px;color:var(--c-600);}

/* ---------- 通用分节 ---------- */
.section{padding:92px 0;}
.section-tint{background:var(--c-50);}
.section-head{max-width:840px;margin:0 auto 56px;text-align:center;}
.eyebrow{
  display:flex;align-items:center;justify-content:center;gap:10px;
  color:var(--c-600);font-weight:800;font-size:14px;letter-spacing:3px;
  margin-bottom:16px;
}
.eyebrow span{width:26px;height:3px;background:var(--amber);}
.section-head h2{
  font-size:clamp(25px,3vw,37px);color:var(--c-900);
  line-height:1.35;letter-spacing:.5px;
}
.section-sub{margin-top:16px;color:var(--muted);font-size:16px;}
.section-tip{text-align:center;font-size:12.5px;color:#8b99b1;margin-top:30px;}
.section-head-light h2{color:#fff;}
.section-head-light .section-sub{color:rgba(255,255,255,.78);}

/* ---------- 律师团队 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.lawyer-card{
  background:#fff;border:1px solid var(--line);
  padding:32px 28px 28px;
  display:flex;flex-direction:column;
  transition:box-shadow .3s ease,transform .3s ease;
}
.lawyer-card:hover{box-shadow:0 18px 44px rgba(14,42,105,.1);transform:translateY(-4px);}
.lawyer-head{display:flex;align-items:center;gap:16px;margin-bottom:18px;}
.lawyer-avatar{
  width:62px;height:62px;flex:none;color:#fff;font-size:25px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.avatar-a{background:linear-gradient(135deg,#123c82,#2f6fe0);}
.avatar-b{background:linear-gradient(135deg,#0e2f66,#2560c8);}
.avatar-c{background:linear-gradient(135deg,#081d44,#1e56b8);}
.lawyer-head h3{font-size:20px;color:var(--c-900);}
.lawyer-field{font-size:13.5px;color:var(--c-600);font-weight:600;letter-spacing:.5px;margin-top:4px;}
.lawyer-desc{font-size:14.5px;color:var(--muted);line-height:1.9;flex:1;}
.lawyer-tags{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;
  padding-top:18px;border-top:1px dashed var(--line);
}
.lawyer-tags li{
  font-size:12.5px;color:#2c4a85;background:var(--c-50);
  border:1px solid var(--line);padding:4px 11px;font-weight:600;
}
.team-note{
  margin-top:28px;text-align:center;font-size:13.5px;color:var(--muted);
  background:#fff;border:1px solid var(--line);padding:15px 22px;
}

/* ---------- 团队优势（深蓝） ---------- */
.section-blue{
  background:linear-gradient(152deg,#081f49 0%,#0f3a7d 55%,#1753a2 100%);
  color:#fff;
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px;}
.stat{
  text-align:center;padding:28px 16px 24px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);
}
.stat strong{display:block;font-size:clamp(30px,3vw,42px);color:#ffd97a;line-height:1;font-weight:800;}
.stat strong small{font-size:17px;font-weight:700;margin-left:2px;}
.stat span{display:block;margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.8);}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.adv{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  padding:26px 24px;
}
.adv-icon{
  width:48px;height:48px;display:flex;align-items:center;justify-content:center;
  background:var(--amber);color:#22345a;margin-bottom:18px;
}
.adv-icon svg{width:24px;height:24px;}
.adv h3{font-size:18px;color:#fff;margin-bottom:10px;}
.adv p{font-size:14px;color:rgba(255,255,255,.76);line-height:1.9;}
.section-blue .section-tip{color:rgba(255,255,255,.45);}

/* ---------- 核心业务 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.svc-card{
  background:#fff;border:1px solid var(--line);
  border-top:4px solid var(--c-500);
  padding:30px 30px 26px;
}
.svc-no{font-weight:800;color:#a9c3ef;font-size:14px;letter-spacing:3px;margin-bottom:10px;}
.svc-card h3{font-size:20px;color:var(--c-900);margin-bottom:12px;}
.svc-card > p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.svc-card ul{margin-top:16px;border-top:1px solid var(--line);}
.svc-card li{
  position:relative;padding:8px 0 8px 24px;
  font-size:14px;color:#33466b;line-height:1.8;
  border-bottom:1px dashed #edf2fa;
}
.svc-card li:last-child{border-bottom:none;}
.svc-card li::before{
  content:"";position:absolute;left:2px;top:16px;
  width:7px;height:7px;background:var(--c-500);
}

/* ---------- 办案流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.step{
  background:#fff;border:1px solid var(--line);
  padding:26px 20px 22px;text-align:center;
  transition:box-shadow .3s ease;
}
.step:hover{box-shadow:0 16px 38px rgba(14,42,105,.1);}
.step-no{
  width:40px;height:40px;margin:0 auto 16px;
  background:var(--c-600);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.step h3{font-size:17px;color:var(--c-900);margin-bottom:10px;}
.step p{font-size:13px;color:var(--muted);line-height:1.85;text-align:left;}

/* ---------- 胜诉案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--c-500);
  padding:26px 26px 20px;
  display:flex;flex-direction:column;
}
.case-top{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.case-tag{
  flex:none;font-size:12.5px;font-weight:700;color:var(--c-600);
  background:var(--c-50);border:1px solid #c9dcf6;padding:4px 10px;
}
.case-card h3{font-size:18px;color:var(--c-900);}
.case-card p{font-size:14px;color:#42536f;line-height:1.9;margin-top:10px;}
.case-card strong{color:var(--c-800);}
.case-disclaimer{
  max-width:900px;margin:32px auto 0;text-align:center;
  font-size:12.5px;color:#8b99b1;line-height:1.9;
}

/* ---------- 政策法规 ---------- */
.law-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.law-item{background:#fff;border:1px solid var(--line);}
.law-item summary{
  list-style:none;display:flex;align-items:center;gap:16px;
  padding:19px 24px;cursor:pointer;
  font-weight:700;color:var(--c-900);font-size:16.5px;
  transition:background .2s ease;
}
.law-item summary::-webkit-details-marker{display:none;}
.law-item summary:hover{background:#f8fbff;}
.law-item summary::after{
  content:"";width:9px;height:9px;flex:none;margin-left:auto;
  border-right:2px solid var(--c-600);border-bottom:2px solid var(--c-600);
  transform:rotate(45deg);transition:transform .25s ease;
}
.law-item[open] summary::after{transform:rotate(-135deg);}
.law-no{
  width:36px;height:36px;flex:none;
  background:var(--c-600);color:#fff;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.law-title{line-height:1.5;}
.law-quote{
  margin:4px 24px 14px;padding:16px 20px;
  background:var(--c-50);border-left:4px solid var(--c-600);
  color:#2c3e63;font-size:15px;line-height:2;
}
.law-note{margin:0 24px 22px;font-size:13.5px;color:var(--muted);line-height:1.95;}
.law-note::before{content:"实务解读：";color:var(--c-600);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 24px;cursor:pointer;position:relative;
  font-weight:700;color:var(--c-900);font-size:16.5px;
  padding-left:54px;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"问";position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;background:var(--c-600);color:#fff;
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:none;
  border-right:2px solid var(--c-600);border-bottom:2px solid var(--c-600);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item summary:hover{background:#f8fbff;}
.faq-item > p{
  padding:2px 24px 22px 54px;
  font-size:14.5px;color:var(--muted);line-height:2;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  background:linear-gradient(150deg,#071b42,#10408c 58%,#1c5db9);
  color:#fff;padding:80px 0;
}
.cta-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.cta-copy .eyebrow{justify-content:flex-start;color:#ffd98a;}
.cta-copy .eyebrow span{background:#ffd98a;}
.cta-copy h2{font-size:clamp(26px,3.2vw,40px);color:#fff;margin-bottom:16px;}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.82);line-height:1.95;}
.cta-action{display:flex;flex-direction:column;align-items:center;}
.cta-action .btn-call{font-size:19px;padding:19px 42px;}
.cta-sub{
  margin-top:16px;color:rgba(255,255,255,.82);font-size:14px;
  text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35);
}
.cta-sub:hover{color:#fff;border-color:#fff;}
.cta-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 律所信息 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.contact-card{
  background:#fff;border:1px solid var(--line);
  padding:30px 22px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;
}
.contact-icon{
  width:52px;height:52px;margin-bottom:16px;
  background:var(--c-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.contact-icon svg{width:24px;height:24px;}
.contact-card h3{font-size:17px;color:var(--c-900);margin-bottom:10px;}
.contact-card p{font-size:14.5px;color:#42536f;line-height:1.8;}
.contact-tel{
  display:block;font-size:24px;font-weight:800;color:var(--c-700);
  text-decoration:none;letter-spacing:.5px;
}
.contact-tel:hover{color:var(--c-500);}
.contact-timeline strong{font-size:21px;color:var(--c-700);}
.contact-link{color:var(--c-600);word-break:break-all;text-decoration:none;}
.contact-link:hover{text-decoration:underline;}
.contact-tip{margin-top:10px;font-size:12.5px;color:#8a98b0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-950);color:rgba(255,255,255,.68);}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.5fr;gap:44px;
  padding:64px 24px 44px;
}
.footer-brand .brand-mark{margin-bottom:16px;}
.footer-brand strong{
  display:block;color:#fff;font-size:19px;margin-bottom:12px;letter-spacing:.5px;
}
.footer-brand p{font-size:13px;line-height:2;color:rgba(255,255,255,.58);text-align:justify;}
.footer-col h3{
  color:#fff;font-size:15px;font-weight:700;letter-spacing:1px;
  margin-bottom:18px;padding-bottom:10px;position:relative;
}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;background:var(--amber);}
.footer-col li{margin:9px 0;font-size:13.5px;line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.62);text-decoration:none;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 24px 34px;}
.footer-disc{font-size:12px;color:rgba(255,255,255,.38);line-height:1.9;text-align:justify;}
.footer-copy{margin-top:16px;font-size:13px;color:rgba(255,255,255,.52);}
.footer-copy a{color:rgba(255,255,255,.68);text-decoration:none;}
.footer-copy a:hover{color:#fff;}

/* ---------- 移动端拨号条 / 返回顶部 ---------- */
.dial-bar{display:none;}
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:900;
  width:46px;height:46px;border:none;cursor:pointer;
  background:var(--c-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .3s ease,background .2s ease;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{background:var(--c-700);}
.back-top svg{width:20px;height:20px;}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- 响应式：平板 / 窄屏 ---------- */
@media (max-width:1140px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .main-nav.open{
    display:block;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(8,28,80,.12);
  }
  .main-nav.open ul{flex-direction:column;align-items:stretch;padding:6px 0;}
  .main-nav.open a{padding:13px 26px;border-bottom:1px solid #f0f5fc;}
  .main-nav.open li:last-child a{border-bottom:none;}
  .brand-text small{display:none;}
}

@media (max-width:1020px){
  .hero-inner{grid-template-columns:1fr;gap:44px;min-height:0;padding:60px 24px 72px;}
  .hero-card{max-width:640px;width:100%;margin:0 auto;}
  .hero .pain-list li{font-size:14.5px;}
  .section{padding:76px 0;}
  .team-grid{grid-template-columns:repeat(2,1fr);}
  .lawyer-card:nth-child(3){grid-column:1 / -1;}
  .lawyer-card:nth-child(3) .lawyer-desc{max-width:760px;margin:0 auto;}
  .lawyer-card:nth-child(3) .lawyer-tags{justify-content:center;}
  .adv-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;max-width:760px;margin:0 auto;}
  .step{display:grid;grid-template-columns:64px 1fr;gap:6px 18px;text-align:left;}
  .step-no{margin:0;grid-row:1 / 3;}
  .step h3{margin:4px 0 0;}
  .step p{margin-top:2px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-action{align-items:flex-start;}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width:860px){
  .team-grid{grid-template-columns:1fr;}
  .lawyer-card:nth-child(3){grid-column:auto;}
  .lawyer-card:nth-child(3) .lawyer-desc{max-width:none;}
  .lawyer-card:nth-child(3) .lawyer-tags{justify-content:flex-start;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:1fr;}
  .svc-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:40px;}
}

@media (max-width:640px){
  body{padding-bottom:64px;}
  .header-inner{min-height:64px;gap:10px;}
  .brand-mark{width:38px;height:38px;font-size:19px;}
  .brand-text strong{font-size:15px;}
  .btn-phone-top{padding:9px 12px;font-size:13px;}
  .btn-phone-top .icon{width:14px;height:14px;}
  .hero-inner{padding:44px 18px 60px;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:15px;}
  .pain-box{padding:16px 16px 2px;}
  .pain-list li{padding:9px 0;font-size:14px;}
  .hero-card{padding:26px 20px 22px;}
  .hero-card h2{font-size:19px;}
  .hero-phone{font-size:26px;}
  .hero-badges{grid-template-columns:1fr 1fr 1fr;}
  .section{padding:62px 0;}
  .section-head h2{font-size:23px;}
  .section-sub{font-size:14.5px;}
  .stat-row{gap:12px;}
  .stat{padding:20px 10px 16px;}
  .stat strong{font-size:28px;}
  .svc-card,.lawyer-card,.case-card{padding:22px 18px 18px;}
  .contact-grid{grid-template-columns:1fr;}
  .cta-banner{padding:56px 0;}
  .cta-copy p{font-size:14.5px;}
  .cta-action .btn-call{font-size:17px;padding:16px 26px;width:100%;}
  .cta-sub{text-align:center;width:100%;}
  .law-item summary{font-size:15px;padding:16px 14px;gap:12px;}
  .law-no{width:30px;height:30px;font-size:13px;}
  .law-quote{margin:4px 14px 12px;padding:13px 15px;font-size:14px;}
  .law-note{margin:0 14px 18px;font-size:13px;}
  .faq-item summary{font-size:15px;padding:15px 14px 15px 46px;}
  .faq-item summary::before{left:12px;width:24px;height:24px;}
  .faq-item > p{padding:0 14px 18px 46px;font-size:14px;}
  .footer-top{grid-template-columns:1fr;padding:48px 18px 30px;gap:30px;}
  .footer-bottom{padding:20px 18px 30px;}
  /* 拨号条 */
  .dial-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1100;
    align-items:center;justify-content:center;gap:12px;
    background:var(--c-600);color:#fff;text-decoration:none;
    padding:12px 16px;border-top:2px solid var(--amber);
  }
  .dial-bar .icon{width:20px;height:20px;color:var(--amber);}
  .dial-bar span{font-size:15px;font-weight:700;}
  .dial-bar span strong{font-size:17px;letter-spacing:.5px;}
  .dial-bar small{font-size:11.5px;color:rgba(255,255,255,.78);}
  .back-top{right:14px;bottom:78px;width:42px;height:42px;}
  .hero-badges li{font-size:11.5px;}
}