/* ============ 基础与变量 ============ */
:root{
  --red:#A61C2E;          /* 主色 深红 */
  --red-dark:#7E1423;     /* 深红加深 */
  --red-light:#C23045;    /* 亮红点缀 */
  --gold:#C9A063;         /* 金色点缀 */
  --gold-light:#E3C897;
  --ink:#1C1A1B;          /* 深墨文本 */
  --gray:#5B5658;         /* 次级文本 */
  --line:#EAE3E5;         /* 分隔线 */
  --bg:#FFFFFF;           /* 主背景 */
  --bg-soft:#FAF6F3;      /* 浅暖背景 */
  --bg-dark:#201417;      /* 深色区 */
  --font-serif:"Noto Serif SC","Source Han Serif SC","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --shadow:0 12px 40px rgba(96,16,28,.1);
  --radius:8px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
img,svg{vertical-align:middle}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.35}
.container{max-width:1160px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0;position:relative}
.section-alt{background:var(--bg-soft)}
.section-dark{background:var(--bg-dark);color:#F4ECEE}
.kicker{display:inline-block;color:var(--red);font-size:14px;letter-spacing:4px;font-weight:600;margin-bottom:12px}
.section-dark .kicker{color:var(--gold)}
.kicker::before{content:"";display:inline-block;width:26px;height:1px;background:var(--gold);vertical-align:middle;margin-right:10px}
.section-title{font-size:34px;color:var(--ink);letter-spacing:2px;margin-bottom:18px}
.section-dark .section-title{color:#FFF}
.section-title em{font-style:normal;color:var(--red)}
.section-dark .section-title em{color:var(--gold)}
.section-sub{color:var(--gray);font-size:16px;max-width:760px}
.section-dark .section-sub{color:#B9A8AD}
.title-row{margin-bottom:52px;text-align:center}
.title-row.has-left{text-align:left}
.title-row.has-left .section-sub{margin-left:0}
.gold-line{width:56px;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light));border:0;margin:22px auto 0}
.title-row.has-left .gold-line{margin-left:0}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 34px;border-radius:var(--radius);font-size:16px;font-weight:600;letter-spacing:1px;transition:all .3s ease;border:0;cursor:pointer;font-family:var(--font-sans)}
.btn-primary{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#FFF;box-shadow:0 10px 28px rgba(166,28,46,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(166,28,46,.42)}
.btn-ghost{background:transparent;color:var(--red);border:1.5px solid var(--red)}
.btn-ghost:hover{background:var(--red);color:#FFF}
.btn-light{background:#FFF;color:var(--red)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.btn-lg{padding:18px 42px;font-size:17px}
/* ============ 顶部导航 ============ */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(166,28,46,.08);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 4px 24px rgba(96,16,28,.1)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo-badge{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--red),var(--red-dark));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-badge svg{width:24px;height:24px}
.logo-text{font-family:var(--font-serif);font-weight:700;font-size:19px;letter-spacing:2px}
.logo-text small{display:block;font-family:var(--font-sans);font-weight:400;font-size:11px;color:var(--gold);letter-spacing:3px}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:14.5px;color:var(--gray);transition:color .3s;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--red);transition:width .3s}
.nav-links a:hover,.nav-links a.active{color:var(--red)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-tel{display:flex;align-items:center;gap:8px;color:var(--red);font-size:18px;font-weight:700;letter-spacing:1px}
.nav-tel svg{width:18px;height:18px}
.nav-tel span{font-size:12px;font-weight:400;color:var(--gray);display:block;line-height:1.3}
.nav-right{display:flex;align-items:center;gap:20px}
.hamburger{display:none;width:42px;height:42px;border:0;background:transparent;cursor:pointer;position:relative;z-index:110}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px auto;transition:all .3s;border-radius:2px}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ============ Hero ============ */
.hero{min-height:100vh;background:linear-gradient(160deg,#2A0D13 0%,#4A1019 45%,#6E1623 100%);color:#FFF;display:flex;align-items:center;position:relative;overflow:hidden;padding:140px 0 96px}
.hero::before{content:"";position:absolute;top:-20%;right:-10%;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(201,160,99,.16) 0%,transparent 65%)}
.hero::after{content:"";position:absolute;bottom:-30%;left:-8%;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(166,28,46,.35) 0%,transparent 62%)}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(201,160,99,.5);color:var(--gold-light);font-size:13px;letter-spacing:3px;padding:8px 18px;border-radius:30px;margin-bottom:26px;background:rgba(201,160,99,.08)}
.hero-badge svg{width:14px;height:14px}
.hero h1{font-size:46px;line-height:1.4;letter-spacing:3px;margin-bottom:22px;max-width:820px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-lead{font-size:17px;color:#E8D9DC;max-width:680px;margin-bottom:38px;line-height:2}
.hero-lead b{color:var(--gold-light);font-weight:600}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:44px}
.hero-tel-note{font-size:14px;color:#D9BFC5}
.hero-tel-note svg{width:14px;height:14px;vertical-align:-2px;margin-right:6px}
.hero-points{display:flex;gap:34px;flex-wrap:wrap}
.hero-point{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#E8D9DC}
.hero-point svg{width:18px;height:18px;color:var(--gold);flex-shrink:0}
/* ============ 数字条 ============ */
.stats{background:#FFF;margin-top:-56px;position:relative;z-index:3}
.stats-inner{background:#FFF;border-radius:12px;box-shadow:var(--shadow);border:1px solid var(--line);padding:36px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:20%;height:60%;width:1px;background:var(--line)}
.stat-num{font-family:var(--font-serif);font-size:38px;font-weight:700;color:var(--red);line-height:1.2}
.stat-num small{font-size:16px;font-weight:600}
.stat-label{font-size:14px;color:var(--gray);margin-top:6px;letter-spacing:1px}
/* ============ 关于律所 ============ */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-figure{position:relative}
.about-figure::before{content:"";position:absolute;top:24px;left:24px;right:-18px;bottom:-18px;border:2px solid var(--gold);border-radius:12px;z-index:0}
.about-panel{background:linear-gradient(150deg,var(--red) 0%,var(--red-dark) 100%);color:#FFF;border-radius:12px;padding:44px 40px;position:relative;z-index:1;overflow:hidden}
.about-panel::after{content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;border-radius:50%;background:rgba(201,160,99,.14)}
.about-panel .seal{margin-bottom:20px}
.about-panel h3{font-size:24px;letter-spacing:2px;margin-bottom:16px}
.about-panel p{font-size:14.5px;color:#F3DDE1;line-height:1.9;margin-bottom:10px}
.about-panel .since{font-family:var(--font-serif);color:var(--gold-light);font-size:14px;letter-spacing:2px}
.about-panel ul{margin-top:22px;display:grid;gap:12px}
.about-panel li{display:flex;gap:10px;font-size:14.5px;color:#F7E9EC;align-items:flex-start}
.about-panel li svg{width:16px;height:16px;color:var(--gold);flex-shrink:0;margin-top:5px}
.about-panel li b{color:var(--gold-light);font-weight:600}
.about-features{display:grid;gap:28px}
.feature{display:flex;gap:18px;align-items:flex-start}
.feature-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--red),var(--red-dark));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.feature-icon svg{width:24px;height:24px}
.feature h4{font-size:17px;margin-bottom:6px;letter-spacing:1px}
.feature p{font-size:14px;color:var(--gray);line-height:1.9}
/* ============ 痛点 | 类型 | 知识 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#FFF;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:all .35s ease;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--red),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-icon{width:54px;height:54px;border-radius:50%;background:rgba(166,28,46,.08);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.card-icon svg{width:26px;height:26px}
.card h4{font-size:17px;margin-bottom:10px;letter-spacing:1px}
.card p{font-size:14px;color:var(--gray);line-height:1.9}
.card .tag{display:inline-block;background:rgba(201,160,99,.14);color:#8A6A33;font-size:12px;padding:3px 12px;border-radius:20px;margin-bottom:14px;letter-spacing:1px}
/* ============ 解决路径时间线 ============ */
.path-wrap{position:relative;max-width:900px;margin:0 auto}
.path-wrap::before{content:"";position:absolute;top:0;bottom:0;left:27px;width:2px;background:linear-gradient(180deg,var(--red),var(--gold))}
.path-step{display:flex;gap:28px;margin-bottom:34px;position:relative}
.path-step:last-child{margin-bottom:0}
.path-num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#FFF;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:20px;font-weight:700;flex-shrink:0;box-shadow:0 8px 20px rgba(166,28,46,.3);position:relative;z-index:1}
.path-body{background:#FFF;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;flex:1;transition:all .3s}
.path-body:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.path-body h4{font-size:17px;margin-bottom:8px}
.path-body h4 span{color:var(--gold);margin-right:8px}
.path-body p{font-size:14px;color:var(--gray);line-height:1.9}
.path-body .tip{display:block;margin-top:10px;font-size:13px;color:var(--red);background:rgba(166,28,46,.05);border-left:3px solid var(--red);padding:8px 14px;border-radius:0 6px 6px 0}
/* ============ 法律依据 ============ */
.law-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.law-item{display:flex;gap:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:22px 24px;transition:all .3s;cursor:pointer}
.law-item:hover{border-color:var(--gold);background:rgba(255,255,255,.07);transform:translateY(-3px)}
.law-num{width:44px;height:44px;border-radius:10px;background:rgba(201,160,99,.15);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:18px;font-weight:700;flex-shrink:0}
.law-item h4{font-size:15.5px;color:#FFF;margin-bottom:4px;letter-spacing:.5px}
.law-item p{font-size:13px;color:#B9A8AD;line-height:1.8}
.law-item b{color:var(--gold-light);font-weight:600}
/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#FFF;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s}
.faq-item.active{box-shadow:var(--shadow);border-color:rgba(166,28,46,.25)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;background:transparent;border:0;cursor:pointer;text-align:left;font-family:var(--font-sans);font-size:15.5px;font-weight:600;color:var(--ink)}
.faq-q .faq-num{color:var(--red);font-family:var(--font-serif);font-size:18px;font-weight:700;margin-right:12px}
.faq-q .faq-txt{flex:1}
.faq-q .arrow{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;transition:all .3s;flex-shrink:0}
.faq-q .arrow svg{width:12px;height:12px;transition:transform .3s}
.faq-item.active .arrow{background:var(--red);border-color:var(--red);transform:rotate(180deg)}
.faq-item.active .arrow svg{stroke:#FFF}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-inner{padding:0 26px 22px 66px;font-size:14px;color:var(--gray);line-height:2}
.faq-a-inner b{color:var(--red)}
/* ============ CTA ============ */
.cta{background:linear-gradient(150deg,#2A0D13 0%,#4A1019 55%,#6E1623 100%);color:#FFF;text-align:center;padding:90px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;top:-80px;left:50%;transform:translateX(-50%);width:600px;height:300px;border-radius:50%;background:radial-gradient(ellipse,rgba(201,160,99,.14),transparent 70%)}
.cta h2{font-size:32px;letter-spacing:3px;margin-bottom:16px}
.cta h2 em{font-style:normal;color:var(--gold)}
.cta p{color:#E8D9DC;font-size:15px;max-width:620px;margin:0 auto 36px;line-height:2}
.cta-phone{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-serif);font-size:30px;color:#FFF;letter-spacing:2px;margin-bottom:20px;position:relative;z-index:1}
.cta-phone svg{width:28px;height:28px;color:var(--gold)}
.cta .btn{z-index:1;position:relative}
.cta-note{font-size:13px;color:#B9A8AD;margin-top:22px;letter-spacing:1px}
/* ============ 页脚 ============ */
.footer{background:#180C10;color:#A89A9E;padding:64px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:48px;padding-bottom:44px}
.footer h5{color:#FFF;font-family:var(--font-serif);font-size:16px;letter-spacing:2px;margin-bottom:18px;position:relative;padding-bottom:12px}
.footer h5::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--gold)}
.footer p{line-height:2}
.footer .foot-phone{color:var(--gold);font-size:20px;font-family:var(--font-serif);letter-spacing:1px;display:inline-flex;align-items:center;gap:8px;margin-top:6px}
.long-tail{display:flex;flex-wrap:wrap;gap:0;margin-top:8px}
.long-tail a{color:#8E7F84;font-size:13px;padding:4px 14px;border-left:1px solid rgba(255,255,255,.12);transition:color .3s}
.long-tail a:first-child{border-left:0;padding-left:0}
.long-tail a:hover{color:var(--gold)}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#8E7F84;transition:color .3s}
.footer-links a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:12.5px;color:#6E5F64}
.footer-bottom a{color:#8E7F84}
/* ============ 移动端拨号栏 ============ */
.mobile-bar{display:none}
/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:48px}
  .hero h1{font-size:38px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:18px}
  .stat:nth-child(3)::before{display:none}
  .stat:nth-child(odd)::before{display:none}
}
@media (max-width:900px){
  .nav-links,.nav-tel{display:none}
  .hamburger{display:block}
  .mobile-menu{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(24,12,16,.97);z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
  .mobile-menu.open{opacity:1;visibility:visible}
  .mobile-menu a{color:#FFF;font-family:var(--font-serif);font-size:20px;letter-spacing:4px}
  .mobile-menu a:hover{color:var(--gold)}
  .mobile-menu .mm-tel{margin-top:20px;color:var(--gold);font-size:18px;display:flex;align-items:center;gap:8px}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:120;background:#FFF;border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));justify-content:space-between;align-items:center;gap:12px}
  .mobile-bar .bar-tel{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#FFF;border-radius:8px;padding:13px 10px;font-size:15px;font-weight:600;letter-spacing:1px}
  .mobile-bar .bar-tel svg{width:18px;height:18px}
  .mobile-bar .bar-link{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--gray);font-size:11px;padding:0 10px}
  .mobile-bar .bar-link svg{width:20px;height:20px}
  body{padding-bottom:62px}
  .section{padding:72px 0}
  .section-title{font-size:27px}
  .hero{padding:120px 0 80px}
  .faq-a-inner{padding-left:26px}
}
@media (max-width:560px){
  .card-grid{grid-template-columns:1fr}
  .law-grid{grid-template-columns:1fr}
  .hero h1{font-size:30px;letter-spacing:2px}
  .hero-lead{font-size:15.5px}
  .hero-points{gap:14px}
  .hero-point{font-size:13px}
  .btn-lg{padding:16px 30px;font-size:16px;width:100%}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .stats-inner{padding:28px 20px}
  .stat-num{font-size:30px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .about-panel{padding:32px 24px}
  .path-step{gap:18px}
  .path-body{padding:20px}
  .cta h2{font-size:26px}
  .cta-phone{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}