/* ====== CSS变量与主题 ====== */
:root{
  --bg:#ffffff; --bg-alt:#F8FAFB; --bg-card:#ffffff;
  --bg-dark:#0F172A; --bg-dark2:#1E293B;
  --text:#1E293B; --text2:#475569; --text3:#94A3B8;
  --gold:#D4AF37; --gold-light:#FDE047; --gold-dark:#B8860B;
  --blue:#1E3A5F; --blue-light:#2563EB;
  --green:#065F46; --orange:#92400E;
  --purple:#5B21B6; --teal:#0D9488;
  --border:rgba(226,232,240,0.6);
  --shadow:0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg:0 25px 70px rgba(0,0,0,0.1);
  --radius:14px; --radius2:20px; --radius3:28px;
  --font:'Noto Sans SC','Inter',system-ui,-apple-system,sans-serif;
  --transition:0.35s cubic-bezier(0.4,0,0.2,1);
}
body.dark{
  --bg:#0A0F1A; --bg-alt:#0F172A; --bg-card:#131C2E;
  --text:#E2E8F0; --text2:#94A3B8; --text3:#64748B;
  --border:rgba(51,65,85,0.6);
  --shadow:0 4px 24px rgba(0,0,0,0.3);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;font-size:16px}
body{
  font-family:var(--font);color:var(--text2);background:var(--bg);
  line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;
  transition:background var(--transition),color var(--transition);
}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.text-gradient{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 50%,var(--gold-dark) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.text-gold{color:var(--gold)}

/* ====== 预加载动画 ====== */
.preloader{
  position:fixed;inset:0;z-index:10000;
  background:var(--bg-dark);display:flex;align-items:center;justify-content:center;
  transition:opacity 0.5s,visibility 0.5s;
}
.preloader.hide{opacity:0;visibility:hidden}
.preloader-logo{text-align:center}
.preloader-icon{margin-bottom:16px;animation:preloaderPulse 2s ease-in-out infinite}
@keyframes preloaderPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:0.8}}
.preloader-text{font-size:20px;font-weight:700;color:var(--gold-light);letter-spacing:4px}

/* ====== 光标光晕 ====== */
.cursor-glow{
  position:fixed;width:400px;height:400px;border-radius:50%;pointer-events:none;z-index:9999;
  background:radial-gradient(circle,rgba(212,175,55,0.06) 0%,transparent 70%);
  transform:translate(-50%,-50%);transition:opacity 0.3s
}
.cursor-glow.hidden{opacity:0}

/* ====== 滚动进度条 ====== */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light),var(--gold-dark));
  z-index:9998;width:0;transition:width 0.1s linear
}

/* ====== 按钮 ====== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:12px;font-weight:600;font-size:15px;
  border:none;cursor:pointer;transition:all var(--transition);white-space:nowrap
}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}
.btn-block{width:100%;justify-content:center}
.btn-gold{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-dark) 100%);
  color:#fff;box-shadow:0 6px 24px rgba(212,175,55,0.35)
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(212,175,55,0.5);filter:brightness(1.1)}
.btn-outline-gold{
  background:transparent;color:var(--gold-dark);border:2px solid var(--gold)
}
.btn-outline-gold:hover{background:var(--gold);color:#fff;transform:translateY(-2px)}
.btn-cta-outline{
  background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.4)
}
.btn-cta-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;transform:translateY(-2px)}

/* ====== 通用区块标题 ====== */
.section-header{text-align:center;margin-bottom:56px}
.section-tag{
  display:inline-block;padding:6px 18px;
  background:linear-gradient(135deg,rgba(212,175,55,0.1),rgba(212,175,55,0.05));
  color:var(--gold-dark);border:1px solid rgba(212,175,55,0.2);
  border-radius:50px;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px
}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:900;color:var(--text);letter-spacing:-0.5px;margin-bottom:12px}
.section-subtitle{font-size:17px;color:var(--text3);max-width:560px;margin:0 auto}
.title-ornament{
  display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px
}
.title-ornament .line{width:36px;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);border-radius:1px}
.title-ornament .diamond{color:var(--gold);font-size:8px}

/* ====== 导航 ====== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,0.82);backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border-bottom:1px solid var(--border);transition:all var(--transition)
}
body.dark .header{background:rgba(10,15,26,0.88);border-bottom:1px solid rgba(51,65,85,0.5)}
.header.scrolled{box-shadow:0 1px 24px rgba(0,0,0,0.08)}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;justify-content:space-between
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{display:flex;align-items:center}
.logo-main{font-size:22px;font-weight:900;color:var(--blue)}
body.dark .logo-main{color:var(--gold-light)}
.logo-sub{font-size:12px;font-weight:500;color:var(--text3);letter-spacing:2px;margin-left:2px}
.nav{display:flex;align-items:center;gap:2px}
.nav-link{
  padding:8px 16px;font-size:14px;font-weight:500;color:var(--text2);
  border-radius:8px;transition:all var(--transition);position:relative
}
.nav-link:hover,.nav-link.active{color:var(--gold-dark);background:rgba(212,175,55,0.08)}
body.dark .nav-link:hover,body.dark .nav-link.active{color:var(--gold-light)}
.header-right{display:flex;align-items:center;gap:12px}
.phone-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;font-size:13px;font-weight:700;color:var(--gold-dark);
  background:rgba(212,175,55,0.08);border-radius:8px;transition:all var(--transition)
}
.phone-btn:hover{background:var(--gold);color:#fff}
body.dark .phone-btn{color:var(--gold-light)}
.theme-toggle{
  width:38px;height:38px;border-radius:10px;border:none;
  background:var(--bg-alt);cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:var(--text2);transition:all var(--transition)
}
.theme-toggle:hover{background:var(--gold);color:#fff}
.theme-toggle .moon-icon{display:none}
body.dark .theme-toggle .sun-icon{display:none}
body.dark .theme-toggle .moon-icon{display:block}
.menu-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:none;border:none;cursor:pointer;border-radius:8px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:0.3s}
.menu-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ====== Hero ====== */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(160deg,var(--bg-dark) 0%,var(--bg-dark2) 40%,var(--bg) 100%);
  padding-top:72px
}
body.dark .hero{background:linear-gradient(160deg,#05090F 0%,#0A1525 40%,#0F1A30 100%)}
.hero-canvas{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-content{
  position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;
  gap:48px;align-items:center;width:100%
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;margin-bottom:24px;
  background:rgba(212,175,55,0.1);border:1px solid rgba(212,175,55,0.2);
  border-radius:50px;font-size:13px;font-weight:600;color:var(--gold-light);letter-spacing:1px
}
.pulse-ring{animation:pulseRing 3s ease-in-out infinite}
@keyframes pulseRing{0%,100%{box-shadow:0 0 0 0 rgba(212,175,55,0.2)}50%{box-shadow:0 0 0 12px rgba(212,175,55,0)}}
.hero-title{font-size:clamp(36px,5vw,58px);font-weight:900;line-height:1.15;color:#F8FAFC;margin-bottom:20px;letter-spacing:-1px}
.hero-title-sub{font-size:clamp(24px,3vw,36px);font-weight:600;color:var(--text3);display:block;margin-top:4px}
body.dark .hero-title-sub{color:#64748B}
.hero-desc{font-size:17px;line-height:1.9;color:#94A3B8;margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-trust{display:flex;gap:16px;flex-wrap:wrap}
.trust-cart{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);border-radius:12px;
  color:#E2E8F0;transition:all var(--transition)
}
.trust-cart:hover{background:rgba(212,175,55,0.1);border-color:rgba(212,175,55,0.3)}
.trust-icon{width:36px;height:36px;border-radius:10px;background:rgba(212,175,55,0.1);display:flex;align-items:center;justify-content:center}
.trust-cart strong{display:block;font-size:15px;color:#F8FAFC}
.trust-cart small{font-size:12px;color:#94A3B8}

/* 3D卡片 */
.hero-visual{position:relative;perspective:1000px;display:flex;justify-content:center}
.hero-card-3d{
  width:280px;height:340px;position:relative;transform-style:preserve-3d;
  transition:transform 0.1s ease-out;cursor:default
}
.hero-card-front,.hero-card-back{
  position:absolute;inset:0;border-radius:var(--radius3);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:32px;backface-visibility:hidden;
  border:1px solid rgba(212,175,55,0.3);box-shadow:var(--shadow-lg)
}
.hero-card-front{background:linear-gradient(145deg,#131C2E,#1A2744);z-index:1}
.hero-card-back{background:linear-gradient(145deg,#1A2744,#131C2E);transform:rotateY(180deg);color:#E2E8F0}
.card-glow,.back-glow{
  position:absolute;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(212,175,55,0.1),transparent 70%);
  top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none
}
.card-badge{
  position:absolute;top:16px;right:16px;
  padding:4px 12px;border-radius:20px;background:rgba(212,175,55,0.15);
  font-size:12px;font-weight:700;color:var(--gold-light);letter-spacing:1px
}
.card-diamond{margin-bottom:20px;animation:floatUp 4s ease-in-out infinite}
@keyframes floatUp{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.card-title{font-size:24px;font-weight:900;color:var(--gold-light);letter-spacing:2px}
.card-sub{font-size:14px;color:#94A3B8;margin-top:4px}
.hero-card-back span{font-size:16px;font-weight:600;color:var(--gold-light);margin-top:12px;letter-spacing:1px}
.float-tag{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:12px 16px;background:var(--bg-card);border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--border);
  animation:tagFloat 4s ease-in-out infinite;z-index:5;
  font-size:13px;color:var(--text)
}
.ft-dot{width:10px;height:10px;border-radius:50%;background:var(--gold)}
.ft-dot-green{background:var(--green)}
@keyframes tagFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.ft-1{top:20px;left:-40px;animation-delay:0s}
.ft-2{bottom:30px;right:-30px;animation-delay:1.5s}

.hero-wave{position:absolute;bottom:-1px;left:0;right:0;line-height:0;z-index:2}
.hero-wave svg{width:100%;height:80px;display:block}

/* ====== 数据条 ====== */
.strip-section{margin-top:-40px;position:relative;z-index:3;padding-bottom:60px}
.stats-strip{
  display:flex;border-radius:var(--radius3);
  background:var(--bg-card);box-shadow:var(--shadow-lg);
  border:1px solid var(--border);overflow:hidden
}
.stat-block{
  flex:1;text-align:center;padding:32px 20px;
  border-right:1px solid var(--border);transition:all var(--transition)
}
.stat-block:last-child{border-right:none}
.stat-block:hover{background:rgba(212,175,55,0.04)}
.stat-icon-wrap{width:48px;height:48px;border-radius:14px;background:rgba(212,175,55,0.08);color:var(--gold-dark);display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.stat-num{font-size:42px;font-weight:900;color:var(--text);display:inline}
.stat-suf{font-size:22px;font-weight:700;color:var(--gold-dark);display:inline;margin-left:2px}
.stat-label{font-size:14px;color:var(--text3);margin-top:4px;font-weight:500}

/* ====== 关于我们 ====== */
.about-section,.services-section,.policy-section,.reviews-section,.faq-section,.contact-section,.team-section{padding:100px 0}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.about-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius2);
  padding:44px 32px;text-align:center;transition:all var(--transition);position:relative;overflow:hidden
}
.about-card::after{
  content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light));
  border-radius:2px;transition:width var(--transition)
}
.about-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(212,175,55,0.2)}
.about-card:hover::after{width:60%}
.ac-icon{
  width:64px;height:64px;border-radius:18px;
  background:linear-gradient(135deg,rgba(212,175,55,0.1),rgba(212,175,55,0.05));
  color:var(--gold-dark);display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px
}
.about-card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:12px}
.about-card p{font-size:15px;color:var(--text2);line-height:1.8}

/* ====== 服务 ====== */
.services-section{background:var(--bg-alt)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius2);
  padding:36px 28px;transition:all var(--transition);position:relative;overflow:hidden
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px 3px 0 0;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));opacity:0;transition:opacity var(--transition)
}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(212,175,55,0.2)}
.service-card:hover::before{opacity:1}
.sc-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.sc-blue{background:rgba(37,99,235,0.1);color:#2563EB}
.sc-green{background:rgba(6,95,70,0.1);color:#065F46}
.sc-orange{background:rgba(146,64,14,0.1);color:#92400E}
.sc-teal{background:rgba(13,148,136,0.1);color:#0D9488}
.sc-purple{background:rgba(91,33,182,0.1);color:#5B21B6}
.sc-indigo{background:rgba(79,70,229,0.1);color:#4F46E5}
.service-card h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:8px}
.service-card>p{font-size:14px;color:var(--text2);margin-bottom:16px}
.sc-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.sc-list li{padding:5px 12px;border-radius:6px;font-size:13px;background:var(--bg-alt);color:var(--text2)}
.sc-tag{
  position:absolute;top:16px;right:16px;padding:3px 12px;border-radius:20px;
  font-size:11px;font-weight:700;color:var(--gold-dark);background:rgba(212,175,55,0.1);
  border:1px solid rgba(212,175,55,0.2)
}

/* ====== 服务流程 ====== */
.process-section{background:var(--bg)}
.process-timeline{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap}
.process-step{text-align:center;padding:0 12px;flex:0 0 auto;width:180px}
.ps-number{font-size:36px;font-weight:900;color:rgba(212,175,55,0.15);margin-bottom:8px;line-height:1}
body.dark .ps-number{color:rgba(212,175,55,0.08)}
.ps-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,rgba(30,58,95,0.1),rgba(212,175,55,0.1));color:var(--gold-dark);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;border:2px solid rgba(212,175,55,0.15);transition:all var(--transition)}
.process-step:hover .ps-icon{transform:scale(1.1);border-color:var(--gold);background:rgba(212,175,55,0.15)}
.process-step h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.process-step p{font-size:13px;color:var(--text3);line-height:1.6}
.process-arrow{color:var(--gold);opacity:0.4;padding:0 4px;flex-shrink:0}

/* ====== 税务政策 ====== */
.policy-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:40px}
.policy-tab{
  padding:10px 22px;border:1px solid var(--border);border-radius:50px;background:var(--bg-card);
  font-size:14px;font-weight:500;color:var(--text2);cursor:pointer;transition:all var(--transition)
}
.policy-tab:hover{border-color:var(--gold);color:var(--gold-dark)}
.policy-tab.active{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;border-color:transparent}
.policy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.policy-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:all var(--transition);display:flex;flex-direction:column
}
.policy-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow)}
.policy-card.hidden{display:none}
.policy-tag2{
  display:inline-flex;align-self:flex-start;padding:4px 10px;border-radius:6px;
  font-size:11px;font-weight:700;margin-bottom:8px
}
.policy-tag{background:rgba(212,175,55,0.08);color:var(--gold-dark);display:inline-flex;align-self:flex-start;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:700;margin-bottom:8px}
.policy-date{font-size:12px;color:var(--text3);float:right}
.policy-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px;clear:both}
.policy-card>p{font-size:13px;color:var(--text2);line-height:1.7;flex:1}
.policy-note{font-size:12px;color:var(--text3);background:var(--bg-alt);padding:8px 12px;border-radius:8px;margin-top:10px;line-height:1.5}
.policy-more{text-align:center;margin-top:40px}

/* ====== 团队 ====== */
.team-section{background:var(--bg-alt)}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius2);
  padding:36px 24px;text-align:center;transition:all var(--transition)
}
.team-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.tc-avatar{
  width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--bg),var(--gold-dark));
  display:inline-flex;align-items:center;justify-content:center;font-size:28px;font-weight:900;
  color:#fff;margin-bottom:16px;border:3px solid var(--gold)
}
.team-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:4px}
.tc-role{font-size:13px;color:var(--gold-dark);font-weight:600;display:block;margin-bottom:12px}
.team-card>p{font-size:14px;color:var(--text2);line-height:1.7;margin-bottom:16px}
.tc-contact{display:flex;justify-content:center;gap:8px;font-size:13px;padding-top:14px;border-top:1px solid var(--border)}
.tc-contact span{color:var(--text3)}
.tc-contact a{color:var(--gold-dark);font-weight:700}
.tc-contact a:hover{text-decoration:underline}

/* ====== 客户评价 ====== */
.reviews-section{background:var(--bg)}
.reviews-carousel{position:relative;max-width:800px;margin:0 auto;overflow:hidden}
.reviews-track{display:flex;transition:transform 0.5s cubic-bezier(0.4,0,0.2,1)}
.review-card{min-width:100%;padding:0 20px;box-sizing:border-box}
.review-card-inner{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius2);
  padding:44px 40px;position:relative;overflow:hidden
}
.review-quote{
  position:absolute;top:10px;left:24px;font-size:100px;color:rgba(212,175,55,0.06);
  font-family:Georgia,serif;line-height:1;pointer-events:none
}
.review-stars{color:var(--gold);font-size:18px;letter-spacing:2px;margin-bottom:16px}
.review-card-inner blockquote{font-size:17px;line-height:1.9;color:var(--text);margin-bottom:24px}
.review-author{display:flex;align-items:center;gap:14px}
.ra-avatar{width:44px;height:44px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;flex-shrink:0}
.review-author strong{display:block;font-size:15px;color:var(--text)}
.review-author span{font-size:13px;color:var(--text3)}
.carousel-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:32px}
.carousel-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--bg-card);cursor:pointer;font-size:16px;color:var(--text);transition:all var(--transition);display:flex;align-items:center;justify-content:center}
.carousel-btn:hover{background:var(--gold);color:#fff;border-color:var(--gold)}
.carousel-dots{display:flex;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--border);cursor:pointer;transition:all var(--transition)}
.dot.active{background:var(--gold);width:28px;border-radius:5px}

/* ====== FAQ ====== */
.faq-section{background:var(--bg-alt)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-question{
  width:100%;padding:22px 0;display:flex;justify-content:space-between;align-items:center;
  background:none;border:none;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;text-align:left;font-family:var(--font);gap:16px;transition:color var(--transition)
}
.faq-question:hover{color:var(--gold-dark)}
.faq-arrow{font-size:22px;font-weight:300;color:var(--text3);transition:all var(--transition)}
.faq-item.active .faq-arrow{transform:rotate(45deg);color:var(--gold)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.4s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 0 22px 0;font-size:15px;color:var(--text2);line-height:1.8}

/* ====== CTA ====== */
.cta-section{padding:80px 0}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius3);
  background:linear-gradient(135deg,var(--blue) 0%,#0F2744 100%);
  padding:64px 48px;text-align:center
}
.cta-bg-shape{
  position:absolute;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(212,175,55,0.15),transparent 70%);
  top:-80px;right:-80px;pointer-events:none
}
.cta-content h2{font-size:34px;font-weight:900;color:#fff;margin-bottom:12px}
.cta-content p{font-size:17px;color:rgba(255,255,255,0.7);margin-bottom:32px}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ====== 联系我们 ====== */
.contact-section{background:var(--bg)}
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info-stack{display:flex;flex-direction:column;gap:16px}
.ci-row{display:flex;align-items:flex-start;gap:16px;padding:20px 24px;background:var(--bg-alt);border-radius:var(--radius);transition:all var(--transition)}
.ci-row:hover{background:var(--bg-card);box-shadow:var(--shadow)}
.ci-icon-round{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;background:rgba(212,175,55,0.08);flex-shrink:0}
.ci-row h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:4px}
.ci-row p{font-size:14px;color:var(--text2);line-height:1.7}
.ci-row a{color:var(--gold-dark);font-weight:600}
.ci-row a:hover{text-decoration:underline}
.contact-form-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius2);padding:40px}
.form-header{margin-bottom:28px}
.form-header h3{font-size:22px;font-weight:700;color:var(--text)}
.form-header p{font-size:14px;color:var(--text3);margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{margin-bottom:14px}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:var(--font);color:var(--text);background:var(--bg);
  outline:none;transition:border-color var(--transition),box-shadow var(--transition)
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,0.1)}
.form-group textarea{resize:vertical;min-height:100px}

/* ====== 页脚 ====== */
.footer{background:var(--bg-dark);color:#94A3B8;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand .logo-main{color:var(--gold-light)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:12px}
.footer-col h4{font-size:15px;font-weight:700;color:#E2E8F0;margin-bottom:16px}
.footer-col a,.footer-col p{display:block;font-size:14px;padding:4px 0;color:#94A3B8;transition:color var(--transition);line-height:1.8}
.footer-col a:hover{color:var(--gold-light);padding-left:4px}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:#64748B}

/* ====== 返回顶部 ====== */
.back-to-top{
  position:fixed;bottom:32px;right:32px;width:46px;height:46px;border-radius:14px;
  background:var(--gold);color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(212,175,55,0.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all var(--transition);z-index:998
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-4px)}

/* ====== 悬浮联系 ====== */
.floating-contact{position:fixed;bottom:100px;right:32px;z-index:997}
.fc-btn{width:50px;height:50px;border-radius:50%;background:var(--gold);color:#fff;border:none;cursor:pointer;font-size:22px;box-shadow:0 6px 20px rgba(212,175,55,0.35);transition:all var(--transition);display:flex;align-items:center;justify-content:center}
.fc-btn:hover{transform:scale(1.1)}
.fc-menu{position:absolute;bottom:60px;right:0;display:flex;flex-direction:column;gap:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--transition)}
.fc-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.fc-item{padding:10px 18px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;font-size:14px;color:var(--text);white-space:nowrap;box-shadow:var(--shadow);transition:all var(--transition);display:flex;align-items:center;gap:8px}
.fc-item:hover{background:var(--gold);color:#fff;border-color:var(--gold)}
.fc-item span{font-size:16px}

/* ====== 响应式 ====== */
@media(max-width:1024px){
  .hero-content{grid-template-columns:1fr;text-align:center}
  .hero-desc{margin:0 auto 32px}
  .hero-actions,.hero-trust{justify-content:center}
  .hero-visual{display:none}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .policy-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .contact-wrapper{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .process-timeline{flex-direction:column;align-items:center;gap:16px}
  .process-step{width:220px}
  .process-arrow{transform:rotate(90deg)}
}
@media(max-width:768px){
  .nav{position:fixed;top:72px;left:0;right:0;background:var(--bg-card);flex-direction:column;padding:20px;gap:4px;box-shadow:0 10px 40px rgba(0,0,0,0.15);transform:translateY(-120%);opacity:0;transition:all 0.3s;z-index:999}
  .nav.open{transform:translateY(0);opacity:1}
  .nav-link{padding:12px 16px;font-size:16px}
  .menu-toggle{display:flex}
  .phone-btn{display:none}
  .hero{min-height:auto;padding:120px 0 80px}
  .hero-title{font-size:30px}
  .services-grid{grid-template-columns:1fr}
  .policy-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:1fr 1fr}
  .stats-strip{flex-wrap:wrap}
  .stat-block{flex:1 1 45%;border-bottom:1px solid var(--border)}
  .process-timeline{gap:12px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .hero-title{font-size:26px}
  .section-title{font-size:24px}
  .team-grid{grid-template-columns:1fr}
  .stat-block{flex:1 1 100%}
  .floating-contact{bottom:80px;right:16px}
  .back-to-top{bottom:24px;right:16px}
}