:root{
  --primary:#2F6DB5;
  --primary-dark:#1F4E8C;
  --primary-deep:#17324D;
  --primary-soft:#EAF2F9;
  --primary-mist:#F2F7FC;
  --gold:#C9A86C;
  --gold-light:#EDE3D0;
  --white:#FFFFFF;
  --text-body:#3E4E5E;
  --text-muted:#6A7B8C;
  --border:#E2EAF2;
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --radius-full:999px;
  --shadow:0 2px 12px rgba(23,50,77,.06);
  --shadow-md:0 6px 20px rgba(23,50,77,.09);
  --shadow-hover:0 12px 28px rgba(23,50,77,.14);
  --container:1240px;
  --transition:all .25s ease;
  --font-body:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background:var(--primary-mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,summary{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section-tape{
  width:64px;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--gold) 72%);
  border-radius:2px;
  margin-bottom:18px;
}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--primary);
  background:linear-gradient(90deg,var(--primary-soft),transparent);
  padding:6px 16px;border-radius:999px;
  margin-bottom:14px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:14px;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:34px;line-height:1.3;color:var(--primary-deep);
  font-weight:700;
}
.section-desc{
  max-width:680px;font-size:15px;color:var(--text-muted);
  line-height:1.8;margin-bottom:48px;
}
.section-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  border:1px solid var(--border);background:var(--white);
  padding:8px 20px;border-radius:999px;
  transition:var(--transition);
}
.section-link:hover{
  border-color:var(--primary);background:var(--primary-soft);
  transform:translateY(-2px);
}
.section-link i{font-size:12px;transition:transform .3s}
.section-link:hover i{transform:translateX(3px)}

/* ========== 顶部信息条 ========== */
.topbar{
  background:linear-gradient(90deg,var(--primary-deep),var(--primary));
  color:rgba(255,255,255,.9);
  font-size:12.5px;
}
.topbar .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:36px;gap:16px;
}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px}
.topbar i{margin-right:4px;font-size:11px}
.topbar a{color:#fff;transition:opacity .2s}
.topbar a:hover{opacity:.75}

/* ========== 主导航 ========== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 8px rgba(23,50,77,.04);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  min-height:78px;gap:28px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{
  font-size:22px;font-weight:800;color:var(--primary-deep);
  font-family:var(--font-serif);letter-spacing:.01em;
}
.brand-logo span{color:var(--primary)}
.brand-seal{
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold),#b8955c);
  color:#fff;font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:4px;
  letter-spacing:.08em;
  transform:rotate(-3deg);
  box-shadow:0 2px 6px rgba(201,168,108,.35);
}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.main-nav a{
  padding:9px 20px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-body);
  transition:var(--transition);
  position:relative;
}
.main-nav a:hover{color:var(--primary);background:var(--primary-soft)}
.main-nav a.active{color:var(--primary);font-weight:700;background:var(--primary-soft)}
.main-nav a.active::after{
  content:"";position:absolute;left:20px;right:20px;bottom:2px;
  height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--gold));
}
.nav-actions{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.lang-switch{position:relative}
.lang-btn{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--border);background:var(--white);
  border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:600;color:var(--primary-deep);
  cursor:pointer;transition:var(--transition);
}
.lang-btn:hover{border-color:var(--primary);background:var(--primary-soft)}
.lang-btn i:first-child{color:var(--gold);font-size:13px}
.lang-btn i:last-child{font-size:10px;color:var(--text-muted);margin-left:2px}
.lang-dropdown{
  position:absolute;top:calc(100% + 10px);right:0;
  background:var(--white);border:1px solid var(--border);
  border-radius:12px;box-shadow:var(--shadow-hover);
  min-width:148px;padding:8px;display:none;
  z-index:99;
}
.lang-dropdown.open{display:block}
.lang-dropdown a{
  display:block;padding:9px 14px;border-radius:8px;
  font-size:13px;font-weight:500;color:var(--text-body);
  transition:background .2s;
}
.lang-dropdown a:hover{background:var(--primary-soft);color:var(--primary)}
.lang-dropdown a.active{color:var(--primary);font-weight:700}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;padding:12px 28px;font-size:15px;font-weight:600;
  cursor:pointer;transition:var(--transition);border:1.5px solid transparent;
  line-height:1.2;text-align:center;
}
.btn-primary{
  background:var(--primary);color:#fff;
  box-shadow:0 4px 14px rgba(47,109,181,.28);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(47,109,181,.34);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(47,109,181,.26)}
.btn-outline{
  background:rgba(255,255,255,.7);color:var(--primary);
  border-color:rgba(47,109,181,.5);
}
.btn-outline:hover{
  background:var(--primary-soft);border-color:var(--primary);
  transform:translateY(-2px);
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),#b8955c);
  color:#fff;box-shadow:0 4px 14px rgba(201,168,108,.4);
}
.btn-gold:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(201,168,108,.48);
}
.btn-lg{padding:16px 38px;font-size:16px;border-radius:12px}
.btn-sm{padding:9px 20px;font-size:13px}
.nav-cta{padding:10px 22px}

/* 汉堡菜单 */
.hamburger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;padding:10px;cursor:pointer;
}
.hamburger span{
  width:22px;height:2px;background:var(--primary-deep);
  border-radius:2px;transition:var(--transition);
}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== Hero / 价值主张 ========== */
.hero{
  position:relative;
  min-height:82vh;
  display:flex;align-items:center;
  padding:100px 0 80px;
  background:linear-gradient(135deg,#F2F7FC 0%,#E8F1F9 50%,#E2ECF7 100%);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  opacity:.22;
}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 110%,rgba(201,168,108,.18),transparent 60%),
    conic-gradient(from 200deg at 50% 120%,
      transparent 0deg, rgba(47,109,181,.10) 14deg, transparent 32deg,
      rgba(47,109,181,.07) 58deg, transparent 76deg,
      rgba(47,109,181,.10) 102deg, transparent 128deg,
      rgba(47,109,181,.06) 158deg, transparent 182deg,
      rgba(47,109,181,.10) 214deg, transparent 242deg,
      rgba(47,109,181,.07) 274deg, transparent 308deg,
      rgba(47,109,181,.10) 332deg, transparent 360deg);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(242,247,252,.55) 0%,rgba(242,247,252,.18) 45%,rgba(226,236,247,.85) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  text-align:center;
  max-width:980px;
  margin:0 auto;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--gold-light);
  color:var(--gold);font-weight:700;font-size:13px;letter-spacing:.1em;
  padding:8px 22px;border-radius:999px;
  backdrop-filter:blur(6px);
  margin-bottom:26px;
  box-shadow:var(--shadow);
}
.hero-kicker i{color:var(--gold)}
.hero h1{
  font-family:var(--font-serif);
  font-size:52px;line-height:1.28;
  color:var(--primary-deep);font-weight:800;
  letter-spacing:.01em;
  margin-bottom:20px;
}
.hero h1 .hero-highlight{
  position:relative;
  white-space:nowrap;
}
.hero h1 .hero-highlight::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:linear-gradient(90deg,rgba(201,168,108,.35),rgba(201,168,108,.1));
  border-radius:4px;z-index:-1;
}
.hero-sub{
  font-size:18px;color:var(--text-body);line-height:1.8;
  max-width:640px;margin:0 auto 34px;
  font-weight:400;
}
.hero-actions{
  display:flex;align-items:center;justify-content:center;gap:16px;
  flex-wrap:wrap;margin-bottom:52px;
}
.hero-badges{
  display:flex;justify-content:center;gap:20px;flex-wrap:wrap;
}
.hero-badge{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.88);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px 26px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  backdrop-filter:blur(8px);
}
.hero-badge:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:var(--gold-light);
}
.hero-badge i{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-soft),var(--primary-mist));
  color:var(--primary);font-size:15px;
  flex-shrink:0;
}
.hero-badge span{
  font-size:14px;font-weight:600;color:var(--primary-deep);
}

/* ========== 核心服务（功能分组） ========== */
.services-section{background:var(--white)}
.services-grid{
  display:grid;grid-template-columns:1.6fr 1fr;gap:30px;
  align-items:stretch;
}
.service-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
  display:flex;flex-direction:column;
}
.service-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(47,109,181,.25);
}
.service-card-img{
  position:relative;
  height:260px;overflow:hidden;
  background:linear-gradient(135deg,#DCE6F2,#EAF2F9);
}
.service-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.service-card:hover .service-card-img img{transform:scale(1.03)}
.service-card-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(23,50,77,.18));
}
.service-card-num{
  position:absolute;top:18px;left:18px;z-index:2;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.92);
  border:2px solid var(--gold);
  color:var(--gold);font-weight:800;font-size:14px;
  box-shadow:0 2px 8px rgba(0,0,0,.08);
}
.service-card-body{padding:28px;flex:1;display:flex;flex-direction:column}
.service-card-body h3{
  font-family:var(--font-serif);
  font-size:22px;color:var(--primary-deep);
  margin-bottom:10px;font-weight:700;
}
.service-card-body p{
  font-size:14.5px;color:var(--text-muted);line-height:1.8;
  flex:1;margin-bottom:18px;
}
.service-tags{display:flex;flex-wrap:wrap;gap:8px}
.service-tag{
  font-size:12px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;padding:5px 14px;
}
.service-stack{display:flex;flex-direction:column;gap:30px}
.service-card-sm{flex:1}
.service-card-sm .service-card-img{height:180px}

/* ========== 使用场景 ========== */
.scenes-section{
  background:linear-gradient(180deg,var(--primary-mist),var(--primary-soft));
}
.scenes-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;
}
.scene-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px 32px 30px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  overflow:hidden;
}
.scene-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--gold));
  opacity:0;transition:opacity .3s;
}
.scene-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(47,109,181,.22);
}
.scene-card:hover::before{opacity:1}
.scene-num{
  position:absolute;top:24px;right:26px;
  font-size:40px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(47,109,181,.3);
  font-family:var(--font-serif);
}
.scene-icon{
  width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:20px;
  margin-bottom:20px;
  box-shadow:0 6px 16px rgba(47,109,181,.3);
}
.scene-card h3{
  font-family:var(--font-serif);
  font-size:20px;color:var(--primary-deep);
  margin-bottom:8px;font-weight:700;
}
.scene-card p{
  font-size:14px;color:var(--text-muted);line-height:1.75;
  margin-bottom:16px;
}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px}
.scene-tags span{
  font-size:12px;font-weight:600;color:var(--text-body);
  background:var(--primary-mist);
  border:1px solid var(--border);
  border-radius:999px;padding:4px 13px;
}

/* ========== 成功案例（荣誉榜） ========== */
.cases-section{
  background:var(--white);
  position:relative;
}
.cases-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--primary) 0 40px,var(--gold) 40px 80px);
  opacity:.35;
}
.cases-grid{
  display:grid;grid-template-columns:1.3fr 1fr;gap:30px;
}
.case-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  display:flex;flex-direction:column;
}
.case-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.case-featured{
  background:linear-gradient(135deg,var(--white),var(--primary-mist));
  border-color:rgba(201,168,108,.45);
  padding:36px;
  justify-content:space-between;
}
.case-featured::before{
  content:"“";
  font-family:var(--font-serif);
  font-size:72px;line-height:1;color:var(--gold);
  height:40px;display:block;
}
.case-stars{display:flex;gap:3px;color:var(--gold);font-size:14px;margin:14px 0 10px}
.case-text{
  font-size:15px;color:var(--text-body);line-height:1.9;
  margin-bottom:20px;
}
.case-user{
  display:flex;align-items:center;gap:12px;
  margin-top:auto;
}
.case-avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary-soft),var(--gold-light));
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--primary);
  font-size:14px;flex-shrink:0;
}
.case-name{font-size:14px;font-weight:700;color:var(--primary-deep)}
.case-role{font-size:12px;color:var(--text-muted)}
.case-side{display:flex;flex-direction:column;gap:30px}
.case-card-sm .case-text{font-size:14px;margin-bottom:14px}

/* ========== 价格（领奖台） ========== */
.pricing-section{
  background:linear-gradient(180deg,var(--primary-soft),var(--primary-mist));
}
.pricing-grid{
  display:flex;align-items:flex-end;justify-content:center;
  gap:28px;flex-wrap:wrap;
}
.price-card{
  flex:1;max-width:360px;min-width:260px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  display:flex;flex-direction:column;
  margin-bottom:0;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.price-card.featured{
  border:1.5px solid var(--gold);
  box-shadow:var(--shadow-hover);
  margin-bottom:22px;
  position:relative;
  padding-top:44px;
}
.price-ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--gold),#b8955c);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:6px 20px;border-radius:999px;
  box-shadow:0 4px 12px rgba(201,168,108,.4);
  white-space:nowrap;
}
.price-name{
  font-family:var(--font-serif);
  font-size:22px;color:var(--primary-deep);font-weight:700;
  margin-bottom:6px;
}
.price-people{font-size:13px;color:var(--text-muted);margin-bottom:18px}
.price-amount{
  font-size:34px;font-weight:800;color:var(--primary);
  margin-bottom:20px;line-height:1.2;
}
.price-amount small{font-size:14px;font-weight:600;color:var(--text-muted)}
.price-list{
  margin-bottom:26px;flex:1;
}
.price-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text-body);
  padding:6px 0;
}
.price-list li i{color:var(--gold);margin-top:4px;font-size:13px}
.price-card .btn{width:100%}
.price-card.featured .btn{
  background:linear-gradient(135deg,var(--gold),#b8955c);
  color:#fff;
  border:none;
}
.price-card.featured .btn:hover{
  box-shadow:0 8px 20px rgba(201,168,108,.45);
  transform:translateY(-2px);
}

/* ========== 资讯区（品茗雅集·茶叙指南） ========== */
.journal-section{background:var(--white)}
.journal-layout{
  display:grid;grid-template-columns:1.35fr 1fr;gap:44px;
}
.journal-list-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;
}
.journal-list-head h3{font-family:var(--font-serif);font-size:24px;color:var(--primary-deep);font-weight:700}
.journal-list-head .section-link{padding:7px 16px;font-size:13px}
.journal-list li{
  border-bottom:1px dashed var(--border);
  transition:background .25s ease;
}
.journal-list li:last-child{border-bottom:none}
.journal-link{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 10px;
  border-radius:10px;
  transition:var(--transition);
}
.journal-link:hover{background:var(--primary-mist);padding-left:18px}
.journal-link .j-title{
  font-size:16px;font-weight:600;color:var(--primary-deep);
  margin-bottom:4px;transition:color .2s;
}
.journal-link:hover .j-title{color:var(--primary)}
.journal-link .j-desc{
  font-size:13px;color:var(--text-muted);
  line-height:1.6;max-width:520px;
}
.journal-link .j-date{
  font-size:12px;color:var(--text-muted);
  white-space:nowrap;flex-shrink:0;margin-top:4px;
  background:var(--primary-mist);
  padding:4px 12px;border-radius:999px;
}
.journal-side{
  display:flex;flex-direction:column;gap:24px;
}
.side-card{
  background:linear-gradient(135deg,var(--primary-deep),var(--primary));
  border-radius:var(--radius-lg);
  padding:30px;
  color:#fff;
  position:relative;overflow:hidden;
}
.side-card::after{
  content:"";position:absolute;top:-30px;right:-30px;
  width:120px;height:120px;border-radius:50%;
  border:18px solid rgba(255,255,255,.06);
}
.side-card .side-icon{
  width:48px;height:48px;border-radius:14px;
  background:rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.side-card h4{
  font-size:20px;font-family:var(--font-serif);
  margin-bottom:8px;font-weight:700;
}
.side-card p{font-size:13.5px;line-height:1.8;opacity:.9;margin-bottom:18px}
.side-card .btn{
  background:#fff;color:var(--primary);
  padding:10px 22px;font-size:13px;border-radius:8px;
}
.side-card .btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.2)}
.side-note{
  background:var(--primary-mist);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px 26px;
  display:flex;align-items:flex-start;gap:14px;
}
.side-note i{color:var(--gold);font-size:20px;margin-top:2px}
.side-note strong{display:block;color:var(--primary-deep);font-size:15px;margin-bottom:4px}
.side-note span{font-size:13px;color:var(--text-muted);line-height:1.7}

/* ========== FAQ ========== */
.faq-section{
  background:linear-gradient(180deg,var(--primary-mist),var(--primary-soft));
}
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  margin-bottom:16px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(47,109,181,.25)}
.faq-item[open]{
  border-color:var(--primary);
  box-shadow:var(--shadow-md);
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 28px;
  cursor:pointer;font-size:15.5px;font-weight:600;
  color:var(--primary-deep);
  list-style:none;user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  width:32px;height:32px;border-radius:50%;
  background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:13px;
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(180deg);
  background:var(--primary);color:#fff;
}
.faq-item summary:hover{color:var(--primary)}
.faq-item .faq-answer{
  padding:0 28px 24px;
  font-size:14px;color:var(--text-body);line-height:1.8;
  border-top:1px dashed var(--border);
  margin:0;
}
.faq-item .faq-answer{padding-top:16px}

/* ========== CTA 横条 ========== */
.cta-band{
  position:relative;
  background:linear-gradient(135deg,var(--primary-deep),#0F2438);
  padding:88px 0;
  overflow:hidden;
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(120deg,transparent 30%,rgba(201,168,108,.12) 38%,transparent 52%,rgba(201,168,108,.08) 62%,transparent 74%),
    radial-gradient(ellipse 60% 80% at 50% 120%,rgba(47,109,181,.3),transparent);
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{
  font-family:var(--font-serif);
  font-size:36px;color:#fff;font-weight:700;
  margin-bottom:14px;
}
.cta-band p{
  color:rgba(255,255,255,.75);font-size:15px;
  margin-bottom:32px;
}
.cta-contacts{
  display:flex;align-items:center;justify-content:center;gap:30px;
  flex-wrap:wrap;margin-bottom:30px;
}
.cta-contact{
  display:flex;align-items:center;gap:10px;
  color:rgba(255,255,255,.85);font-size:14px;
}
.cta-contact i{
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--gold);
}
.cta-band .btn-gold{
  padding:15px 42px;font-size:16px;border-radius:12px;
  border:none;
}

/* ========== 页脚 ========== */
.site-footer{
  background:#122A3F;
  color:rgba(255,255,255,.75);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1fr;
  gap:48px;padding-bottom:48px;
}
.footer-brand .brand-logo{color:#fff;font-size:20px}
.footer-brand .brand-seal{margin-left:8px}
.footer-desc{
  font-size:13.5px;line-height:1.8;margin-top:18px;
  color:rgba(255,255,255,.6);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;
  letter-spacing:.06em;margin-bottom:20px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;
  width:28px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),rgba(201,168,108,.2));
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:13.5px;color:rgba(255,255,255,.65);
  transition:var(--transition);
}
.footer-col ul a:hover{color:var(--gold);padding-left:6px}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.5px;margin-bottom:14px;
  color:rgba(255,255,255,.65);
}
.footer-contact li i{color:var(--gold);margin-top:4px;font-size:13px;width:16px}
.footer-social{
  display:flex;gap:10px;margin-top:16px;
}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:rgba(255,255,255,.7);
  transition:var(--transition);
}
.footer-social a:hover{
  background:var(--gold);color:#122A3F;border-color:var(--gold);
  transform:translateY(-2px);
}
.footer-qr{
  text-align:center;
  border:1px solid rgba(255,255,255,.15);
  border-radius:12px;padding:18px;
  background:rgba(255,255,255,.05);
}
.footer-qr .qr-mock{
  width:96px;height:96px;margin:0 auto 10px;
  background:
    linear-gradient(90deg,#fff 12%,transparent 12% 18%,#fff 18% 30%,transparent 30% 40%,#fff 40% 55%,transparent 55% 65%,#fff 65% 78%,transparent 78% 88%,#fff 88%),
    linear-gradient(0deg,#fff 15%,transparent 15% 22%,#fff 22% 35%,transparent 35% 45%,#fff 45% 60%,transparent 60% 72%,#fff 72% 85%,transparent 85%);
  border-radius:8px;
}
.footer-qr span{font-size:12px;color:rgba(255,255,255,.6)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  font-size:12.5px;text-align:center;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);transition:color .2s}
.footer-bottom a:hover{color:var(--gold)}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .section{padding:80px 0}
  .hero h1{font-size:42px}
  .services-grid{grid-template-columns:1fr}
  .service-card-img{height:220px}
  .service-stack{flex-direction:row}
  .service-card-sm .service-card-img{height:170px}
  .cases-grid{grid-template-columns:1fr}
  .journal-layout{grid-template-columns:1fr}
  .pricing-grid{gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .main-nav{gap:2px}
  .main-nav a{padding:8px 14px;font-size:14px}
}
@media(max-width:768px){
  .topbar .container{flex-direction:column;padding:6px 20px;gap:2px;text-align:center}
  .topbar-right{display:none}
  .nav-wrap{min-height:64px}
  .hamburger{display:flex}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(20px);
    padding:28px 28px 40px;
    gap:8px;
    transform:translateX(100%);
    transition:transform .35s ease;
    z-index:999;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{
    width:100%;font-size:18px;padding:14px 18px;
    border-radius:12px;
  }
  .main-nav a.active{background:var(--primary-soft)}
  .main-nav a.active::after{display:none}
  .nav-actions{
    gap:8px;
  }
  .nav-cta{
    padding:9px 16px;font-size:12px;
  }
  .lang-btn{padding:7px 12px;font-size:12px}
  .lang-btn i:last-child{display:none}
  .brand-logo{font-size:18px}
  .brand-seal{font-size:10px;padding:2px 8px}
  .hero{min-height:auto;padding:90px 0 60px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:12px;margin-bottom:38px}
  .hero-badges{gap:12px}
  .hero-badge{width:100%;max-width:280px;justify-content:center}
  .scenes-grid{grid-template-columns:1fr;gap:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
  .section-head h2{font-size:26px}
  .section-desc{margin-bottom:32px;font-size:14px}
  .pricing-grid{flex-direction:column;align-items:center}
  .price-card{max-width:420px;width:100%}
  .price-card.featured{margin-bottom:0;order:-1}
  .service-stack{flex-direction:column}
  .journal-list-head{flex-direction:column;align-items:flex-start;gap:8px}
  .journal-link{flex-direction:column;gap:6px}
  .cta-band h2{font-size:26px}
  .cta-band{padding:64px 0}
  .footer-grid{
    grid-template-columns:1fr;gap:28px;padding-bottom:30px;
  }
  .footer-col h4{margin-bottom:12px}
}
@media(max-width:520px){
  .container{padding:0 20px}
  .section{padding:62px 0}
  .brand-seal{display:none}
  .brand-logo{font-size:16px}
  .nav-cta{display:none}
  .hero h1{font-size:28px;line-height:1.35}
  .hero-kicker{font-size:11px;padding:6px 16px}
  .hero-actions .btn{width:100%;max-width:320px}
  .hero-badges{flex-direction:column;align-items:center;width:100%}
  .hero-badge{width:100%}
  .service-card-img{height:180px}
  .service-card-body{padding:20px}
  .scene-card{padding:24px 20px}
  .case-featured{padding:24px}
  .price-card{padding:26px 22px}
  .faq-item summary{font-size:14px;padding:18px 20px}
  .faq-item .faq-answer{padding:0 20px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-qr{max-width:220px}
}

:root {
  --primary: #2F6DB5;
  --primary-dark: #1E5A9E;
  --primary-deeper: #16457E;
  --primary-bg: #F2F7FC;
  --primary-bg-2: #EAF2F9;
  --title-color: #17324D;
  --text-color: #3E4E5E;
  --text-light: #7A8B9C;
  --gold: #C9A86C;
  --gold-light: #E8D5B5;
  --gold-deep: #B8914A;
  --white: #FFFFFF;
  --card-border: #E2EAF2;
  --footer-bg: #122A3F;
  --footer-text: #B8C8D8;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 12px rgba(23,50,77,0.06);
  --shadow-hover: 0 12px 28px rgba(23,50,77,0.14);
  --transition: all 0.3s ease;
  --container-width: 1240px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-color);
  background: var(--primary-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}
.header-top {
  background: linear-gradient(90deg, #E8F1F9, #F2F7FC);
  font-size: 13px;
  color: var(--text-color);
  padding: 6px 0;
  border-bottom: 1px solid rgba(203,220,236,0.5);
}
.header-top .container { display: flex; justify-content: space-between; align-items: center; }
.header-top-right { display: flex; gap: 24px; }
.header-top-right span { display: inline-flex; align-items: center; gap: 6px; }
.header-main { padding: 16px 0; }
.header-wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 10px; flex-shrink: 0; }
.brand-logo { font-size: 21px; font-weight: 700; color: var(--title-color); letter-spacing: 0.5px; }
.brand-seal {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-deep);
  border: 1px solid var(--gold);
  border-radius: 4px;
  padding: 2px 8px;
  background: linear-gradient(135deg, #FBF4E8, #F5E8CE);
  letter-spacing: 2px;
  transform: rotate(-2deg);
}
.main-nav { display: flex; gap: 8px; flex: 1; justify-content: center; flex-wrap: wrap; }
.main-nav a {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--title-color);
  position: relative;
}
.main-nav a:hover { background: var(--primary-bg-2); color: var(--primary); }
.main-nav a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(47,109,181,0.3); }
.header-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.lang-switch { position: relative; }
.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  background: #fff;
  transition: var(--transition);
}
.lang-current:hover { background: var(--primary-bg); }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: var(--shadow-hover);
  padding: 6px;
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 100;
}
.lang-switch:hover .lang-dropdown, .lang-switch:focus-within .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option { display: block; padding: 8px 14px; border-radius: 8px; font-size: 14px; color: var(--text-color); }
.lang-option:hover { background: var(--primary-bg); color: var(--primary); }
.lang-option.active { color: var(--primary); font-weight: 600; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; padding: 12px 28px; border: none; cursor: pointer; transition: var(--transition); line-height: 1.4; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(47,109,181,0.28); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(47,109,181,0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-bg); color: var(--primary-dark); transform: translateY(-2px); }
.btn-gold { background: linear-gradient(135deg, #D4AF6A, var(--gold)); color: #fff; box-shadow: 0 4px 16px rgba(201,168,108,0.35); }
.btn-gold:hover { background: linear-gradient(135deg, #C9A86C, #B8914A); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(201,168,108,0.45); }
.btn-gold:active { transform: translateY(0); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: var(--title-color); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  padding: 88px 0 72px;
  background: linear-gradient(135deg, rgba(242,247,252,0.94), rgba(232,241,249,0.9)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    linear-gradient(rgba(47,109,181,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,109,181,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.category-hero::after {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 360px; height: 360px;
  border-radius: 50%;
  border: 2px solid rgba(201,168,108,0.15);
  box-shadow: 0 0 0 32px rgba(201,168,108,0.05), 0 0 0 64px rgba(201,168,108,0.03);
  pointer-events: none;
}
.banner-lines { display: flex; height: 6px; }
.banner-lines .line-blue { flex: 3; background: var(--primary); }
.banner-lines .line-gold { flex: 1; background: var(--gold); }
.category-hero .container { position: relative; z-index: 2; text-align: center; }
.category-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.category-hero h1 {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  font-size: 44px;
  color: var(--title-color);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.category-hero-intro {
  font-size: 17px;
  color: var(--text-color);
  max-width: 620px;
  margin: 0 auto 28px;
  line-height: 1.8;
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.8);
  border-radius: var(--radius-pill);
  padding: 8px 22px;
  font-size: 14px;
  color: var(--text-light);
  box-shadow: var(--shadow-sm);
}
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb a:hover { color: var(--primary-dark); }
.breadcrumb span { color: var(--text-light); }

/* ===== Section base ===== */
.section { padding: 96px 0; }
.section-alt { background: var(--white); }
.section-header { margin-bottom: 48px; }
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-left: 16px;
  position: relative;
}
.section-label::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--gold);
}
.section-header h2 {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  font-size: 32px;
  color: var(--title-color);
  line-height: 1.3;
}

/* ===== Process & Guide ===== */
.process-wrap { display: grid; grid-template-columns: 65% 1fr; gap: 32px; align-items: start; }
.process-main {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.process-main-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 12px; }
.process-main-header h3 { font-size: 24px; color: var(--title-color); font-family: "Source Han Serif SC", "Noto Serif SC", serif; }
.process-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
}
.process-steps { display: flex; flex-direction: column; gap: 0; }
.process-step {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid #EEF3F8;
  position: relative;
}
.process-step:last-child { border-bottom: none; padding-bottom: 0; }
.process-step:first-child { padding-top: 0; }
.process-number {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  background: linear-gradient(135deg, #F2F7FC, #E4EEF7);
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(47,109,181,0.08);
}
.process-step:nth-child(even) .process-number { color: var(--gold-deep); border-color: var(--gold); background: linear-gradient(135deg, #FBF4E8, #F5E8CE); box-shadow: 0 0 0 4px rgba(201,168,108,0.12); }
.process-thumb { flex-shrink: 0; width: 96px; height: 96px; border-radius: 14px; overflow: hidden; }
.process-thumb img { width: 100%; height: 100%; object-fit: cover; }
.process-content h4 { font-size: 18px; color: var(--title-color); margin-bottom: 8px; font-weight: 600; }
.process-content p { font-size: 15px; color: var(--text-color); line-height: 1.75; }

.guide-aside { display: flex; flex-direction: column; gap: 20px; }
.guide-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.guide-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  background: var(--primary-bg);
}
.guide-card:nth-child(2) .guide-icon { color: var(--gold-deep); background: #FBF4E8; }
.guide-card:nth-child(3) .guide-icon { color: #5B8C5A; background: #EDF5ED; }
.guide-card:nth-child(4) .guide-icon { color: #9A6FB0; background: #F4EFF7; }
.guide-text h4 { font-size: 16px; color: var(--title-color); margin-bottom: 4px; font-weight: 600; }
.guide-text p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* ===== Service Grid ===== */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(47,109,181,0.3); }
.service-image { position: relative; height: 220px; overflow: hidden; }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.service-card:hover .service-image img { transform: scale(1.04); }
.service-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23,50,77,0) 60%, rgba(23,50,77,0.12));
  pointer-events: none;
}
.service-body { padding: 28px; }
.service-body h3 { font-size: 20px; color: var(--title-color); margin-bottom: 10px; font-weight: 600; }
.service-body p { font-size: 15px; color: var(--text-color); line-height: 1.7; margin-bottom: 16px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  background: var(--primary-bg);
  color: var(--primary);
}
.tag.tag-gold { background: #FBF4E8; color: var(--gold-deep); }
.service-actions { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.service-price { font-size: 14px; color: var(--text-light); }

/* ===== Related ===== */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-image { height: 180px; overflow: hidden; }
.related-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-image img { transform: scale(1.04); }
.related-body { padding: 24px; }
.related-body h3 { font-size: 18px; color: var(--title-color); margin-bottom: 8px; font-weight: 600; }
.related-body p { font-size: 14px; color: var(--text-color); line-height: 1.65; }
.related-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--primary); }
.related-link:hover { color: var(--primary-dark); gap: 10px; }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 16px; max-width: 900px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(47,109,181,0.3); box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--title-color);
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary { border-bottom: 1px solid #EEF3F8; color: var(--primary); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] { border-color: var(--primary); box-shadow: 0 8px 24px rgba(47,109,181,0.1); }
.faq-answer { padding: 20px 28px 24px; font-size: 15px; color: var(--text-color); line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; }
.cta-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-hover);
  padding: 48px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 70%, var(--gold) 30%);
}
.cta-card::after {
  content: '\f091';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 120px;
  color: rgba(47,109,181,0.04);
  position: absolute;
  right: 24px; bottom: -20px;
  pointer-events: none;
}
.cta-content h2 {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  font-size: 28px;
  color: var(--title-color);
  margin-bottom: 10px;
}
.cta-content p { font-size: 15px; color: var(--text-color); }
.cta-contact { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 16px; }
.cta-contact span { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-color); }
.cta-contact i { color: var(--primary); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ===== Footer ===== */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding-top: 72px; }
.site-footer .container { max-width: var(--container-width); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand { flex-direction: column; gap: 4px; margin-bottom: 16px; display: inline-flex; align-items: flex-start; }
.footer-brand .brand-logo { color: #fff; font-size: 20px; }
.footer-brand .brand-seal { color: var(--gold); border-color: rgba(201,168,108,0.5); background: rgba(201,168,108,0.1); }
.footer-desc { font-size: 14px; line-height: 1.8; color: var(--footer-text); margin-bottom: 20px; max-width: 360px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--footer-text);
  font-size: 16px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--gold); color: #fff; border-color: var(--gold); transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--gold); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--footer-text); font-size: 14px; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-contact li { font-size: 14px; margin-bottom: 12px; display: flex; align-items: flex-start; gap: 10px; }
.footer-contact i { color: var(--gold); margin-top: 3px; }
.footer-qr { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.qr-mock {
  width: 120px; height: 120px;
  border-radius: 10px;
  background: linear-gradient(135deg, #23425E, #1A344C);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 32px;
  position: relative;
}
.qr-mock::before {
  content: '';
  position: absolute;
  inset: 24px;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 4px;
}
.footer-qr span { font-size: 13px; color: var(--footer-text); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; font-size: 14px; color: rgba(255,255,255,0.5); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .process-wrap { grid-template-columns: 1fr; }
  .guide-aside { flex-direction: row; flex-wrap: wrap; }
  .guide-card { flex: 1 1 calc(50% - 10px); }
  .related-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
  .footer-grid .footer-col:last-child { grid-column: span 3; }
}
@media (max-width: 768px) {
  .header-top-right { display: none; }
  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 80px 24px 24px;
    gap: 4px;
    box-shadow: -8px 0 30px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    z-index: 999;
    justify-content: flex-start;
    flex: none;
  }
  .main-nav.open { right: 0; }
  .main-nav a { padding: 12px 16px; width: 100%; }
  .header-actions { gap: 10px; }
  .lang-current { padding: 6px 12px; font-size: 13px; }
  .btn-cta { padding: 8px 16px; font-size: 14px; }
  .category-hero { padding: 64px 0 48px; }
  .category-hero h1 { font-size: 32px; }
  .category-hero-intro { font-size: 15px; }
  .section { padding: 64px 0; }
  .section-header h2 { font-size: 26px; }
  .process-main { padding: 24px; }
  .process-step { flex-direction: column; gap: 14px; }
  .process-thumb { width: 100%; height: 160px; }
  .service-grid { grid-template-columns: 1fr; gap: 24px; }
  .related-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-card { padding: 32px 24px; flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-answer { padding: 16px 20px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-grid .footer-col:last-child { grid-column: auto; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-logo { font-size: 17px; }
  .brand-seal { font-size: 10px; padding: 1px 6px; }
  .header-wrap { gap: 12px; }
  .category-hero h1 { font-size: 27px; }
  .breadcrumb { font-size: 13px; padding: 6px 16px; }
  .process-main-header h3 { font-size: 20px; }
  .guide-aside { flex-direction: column; }
  .guide-card { flex: 1 1 auto; }
  .service-body { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid .footer-col:last-child { grid-column: auto; }
  .cta-content h2 { font-size: 22px; }
}