/* ===========================
   闫宝龙·小语种网站建设
   简约大气 · 商务国际风
   =========================== */

/* CSS 变量 */
:root{
  --navy: #0A2540;
  --navy-2: #133458;
  --navy-3: #1E3A5F;
  --gold: #C9A86A;
  --gold-2: #B8923D;
  --gold-light: #E8D5A8;
  --cream: #F8F6F0;
  --cream-2: #EFEAD8;
  --white: #FFFFFF;
  --ink: #1A1A1A;
  --ink-2: #2A2A2A;
  --gray-1: #6B7280;
  --gray-2: #9CA3AF;
  --gray-3: #D1D5DB;
  --gray-4: #E5E7EB;
  --gray-5: #F3F4F6;
  --line: #E8E8E8;
  --serif: 'Noto Serif SC', 'Cormorant Garamond', 'Songti SC', 'STSong', serif;
  --sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --shadow-sm: 0 1px 3px rgba(10,37,64,.06), 0 1px 2px rgba(10,37,64,.04);
  --shadow-md: 0 8px 24px rgba(10,37,64,.08), 0 2px 8px rgba(10,37,64,.04);
  --shadow-lg: 0 24px 60px rgba(10,37,64,.12), 0 6px 18px rgba(10,37,64,.06);
  --container: 1280px;
  --radius: 4px;
  --radius-lg: 8px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* 重置 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:16px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--gold-2)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
sup{font-size:.6em;vertical-align:super;line-height:1}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  width:100%;
}

/* ===========================
   顶部信息条
   =========================== */
.topbar{
  background:var(--navy);
  color:rgba(255,255,255,.78);
  font-size:13px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:38px;
}
.topbar-left,.topbar-right{
  display:flex;
  align-items:center;
  gap:14px;
}
.topbar-item{letter-spacing:.02em}
.topbar-item:hover{color:var(--gold-light)}
.topbar-divider{color:rgba(255,255,255,.2)}

/* ===========================
   导航栏
   =========================== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:all .3s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
  gap:24px;
}
.logo{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-family:var(--serif);
  color:var(--navy);
  white-space:nowrap;
}
.logo-brand{
  font-size:26px;
  font-weight:700;
  letter-spacing:.04em;
  position:relative;
}
.logo-r{
  color:var(--gold-2);
  font-size:14px;
  font-weight:600;
  margin-left:1px;
}
.logo-sep{
  color:var(--gold);
  font-size:18px;
  font-weight:300;
}
.logo-sub{
  font-size:18px;
  font-weight:500;
  color:var(--ink-2);
  font-family:var(--sans);
  letter-spacing:.05em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  letter-spacing:.04em;
  transition:color .3s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:6px;
  width:0;
  height:2px;
  background:var(--gold);
  transition:all .3s var(--ease);
  transform:translateX(-50%);
}
.nav-link:hover,.nav-link.active{
  color:var(--navy);
}
.nav-link:hover::after,.nav-link.active::after{
  width:60%;
}
.nav-cta{
  background:var(--navy);
  color:var(--white) !important;
  padding:10px 22px !important;
  border-radius:var(--radius);
  margin-left:8px;
  font-weight:500;
  transition:all .3s var(--ease);
}
.nav-cta::after{display:none}
.nav-cta:hover{
  background:var(--gold-2);
  transform:translateY(-1px);
  box-shadow:0 6px 18px rgba(184,146,61,.3);
  color:var(--white) !important;
}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:22px;
  height:1.5px;
  background:var(--navy);
  transition:all .3s var(--ease);
}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ===========================
   HERO
   =========================== */
.hero{
  position:relative;
  overflow:hidden;
  padding:80px 0 100px;
  background:linear-gradient(135deg, #F8F6F0 0%, #EFEAD8 50%, #E8E2D0 100%);
  isolation:isolate;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(ellipse at top right, rgba(201,168,106,.18) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(10,37,64,.08) 0%, transparent 50%);
  z-index:-1;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(10,37,64,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,37,64,.04) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-inner{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:60px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  background:rgba(10,37,64,.06);
  border:1px solid rgba(10,37,64,.1);
  border-radius:100px;
  font-size:13px;
  font-weight:500;
  color:var(--navy);
  margin-bottom:24px;
  letter-spacing:.04em;
}
.hero-tag-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 4px rgba(201,168,106,.3);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(201,168,106,0)}}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(38px, 5vw, 64px);
  line-height:1.15;
  color:var(--navy);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:24px;
}
.hero-title-line1{display:block;margin-bottom:8px}
.hero-title-line2{
  display:block;
  font-size:.55em;
  font-weight:500;
  color:var(--ink-2);
  font-family:var(--sans);
  letter-spacing:.02em;
}
.hero-title em{
  font-style:normal;
  color:var(--gold-2);
  position:relative;
}
.hero-title em::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--gold), transparent);
}
.accent{color:var(--gold-2)}
.hero-desc{
  font-size:17px;
  line-height:1.85;
  color:var(--gray-1);
  max-width:600px;
  margin-bottom:36px;
}
.hero-desc strong{color:var(--navy);font-weight:600}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:56px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.04em;
  border-radius:var(--radius);
  transition:all .3s var(--ease);
  cursor:pointer;
  white-space:nowrap;
}
.btn-primary{
  background:var(--navy);
  color:var(--white);
}
.btn-primary:hover{
  background:var(--gold-2);
  color:var(--white);
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(184,146,61,.3);
}
.btn-ghost{
  background:transparent;
  color:var(--navy);
  border:1px solid var(--navy);
}
.btn-ghost:hover{
  background:var(--navy);
  color:var(--white);
}
.btn-lg{padding:18px 36px;font-size:16px}

.hero-stats{
  display:flex;
  align-items:flex-end;
  gap:24px;
  flex-wrap:wrap;
}
.stat{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  position:relative;
}
.stat-num{
  font-family:var(--serif);
  font-size:42px;
  font-weight:700;
  color:var(--navy);
  line-height:1;
  letter-spacing:-.02em;
  display:inline-block;
}
.stat-suffix{
  font-family:var(--serif);
  font-size:18px;
  color:var(--gold-2);
  font-weight:600;
  margin-left:2px;
  display:inline-block;
}
.stat-label{
  font-size:13px;
  color:var(--gray-1);
  margin-top:8px;
  letter-spacing:.04em;
}
.stat-sep{
  width:1px;
  height:36px;
  background:var(--gray-3);
  align-self:center;
}

/* Hero visual */
.hero-visual{
  position:relative;
  height:520px;
}
.hero-card{
  position:absolute;
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.hero-card-main{
  inset:0;
  display:flex;
  flex-direction:column;
}
.hero-card-head{
  display:flex;
  align-items:center;
  gap:8px;
  padding:14px 18px;
  background:var(--gray-5);
  border-bottom:1px solid var(--line);
}
.card-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--gray-3);
}
.card-dot:nth-child(1){background:#FF5F57}
.card-dot:nth-child(2){background:#FEBC2E}
.card-dot:nth-child(3){background:#28C840}
.card-url{
  margin-left:18px;
  font-size:12px;
  color:var(--gray-1);
  font-family:'Courier New',monospace;
}
.hero-card-body{
  padding:28px;
  flex:1;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.card-title{
  font-family:var(--serif);
  font-size:20px;
  color:var(--navy);
  font-weight:600;
  min-height:28px;
}
.card-title::after{
  content:"▎";
  color:var(--gold);
  animation:blink 1s steps(2) infinite;
  margin-left:2px;
}
@keyframes blink{50%{opacity:0}}
.card-line{
  height:10px;
  background:linear-gradient(90deg, var(--gray-5) 0%, var(--gray-4) 50%, var(--gray-5) 100%);
  border-radius:4px;
  width:100%;
}
.card-line.short{width:70%}
.lang-pills{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:6px 0 8px;
}
.pill{
  padding:5px 11px;
  background:rgba(201,168,106,.12);
  color:var(--navy);
  font-size:12px;
  border-radius:100px;
  border:1px solid rgba(201,168,106,.3);
  font-weight:500;
}
.card-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:10px;
  margin-top:auto;
}
.card-block{
  aspect-ratio:4/3;
  background:linear-gradient(135deg, var(--gray-5), var(--gray-4));
  border-radius:6px;
  position:relative;
}
.card-block::before{
  content:"";
  position:absolute;
  top:10px;left:10px;
  width:24px;height:24px;
  background:var(--gold-light);
  border-radius:4px;
}
.hero-card-float,
.hero-card-float2{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 20px;
  border-radius:100px;
  animation:floatY 4s ease-in-out infinite;
}
.hero-card-float{
  top:30px;right:-30px;
  background:var(--navy);
  color:var(--white);
  box-shadow:0 12px 30px rgba(10,37,64,.3);
}
.hero-card-float2{
  bottom:60px;left:-30px;
  background:var(--gold);
  color:var(--navy);
  box-shadow:0 12px 30px rgba(201,168,106,.4);
  animation-delay:1.5s;
}
@keyframes floatY{50%{transform:translateY(-10px)}}
.float-icon{font-size:24px}
.float-title{font-size:14px;font-weight:600;line-height:1.2}
.float-sub{font-size:11px;opacity:.7;line-height:1.2;margin-top:2px}

/* ===========================
   信任带
   =========================== */
.trustbar{
  background:var(--white);
  padding:36px 0;
  border-bottom:1px solid var(--line);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:24px;
  align-items:center;
}
.trust-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  text-align:center;
}
.trust-num{
  font-family:var(--serif);
  font-size:32px;
  font-weight:700;
  color:var(--navy);
  letter-spacing:-.01em;
}
.trust-label{
  font-size:13px;
  color:var(--gray-1);
  letter-spacing:.04em;
}

/* ===========================
   通用 section
   =========================== */
.section{
  padding:100px 0;
  position:relative;
}
.section-dark{
  background:var(--navy);
  color:var(--white);
}
.section-cream{
  background:var(--cream);
}
.section-head{
  text-align:center;
  max-width:780px;
  margin:0 auto 64px;
}
.section-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--gold-2);
  margin-bottom:18px;
  padding:6px 0;
  position:relative;
}
.section-eyebrow.light{color:var(--gold-light)}
.section-eyebrow::before,
.section-eyebrow::after{
  content:"——";
  margin:0 12px;
  opacity:.5;
}
.section-title{
  font-family:var(--serif);
  font-size:clamp(30px, 4vw, 44px);
  color:var(--navy);
  font-weight:700;
  line-height:1.3;
  margin-bottom:18px;
  letter-spacing:-.01em;
}
.section-title.light{color:var(--white)}
.section-title em{
  font-style:normal;
  color:var(--gold-2);
}
.section-sub{
  font-size:16px;
  color:var(--gray-1);
  line-height:1.8;
}
.section-sub.light{color:rgba(255,255,255,.7)}

/* ===========================
   服务卡片
   =========================== */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.service-card{
  padding:36px 30px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  transition:all .35s var(--ease);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--gold);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .4s var(--ease);
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.service-card:hover::before{transform:scaleY(1)}
.service-icon{
  display:inline-flex;
  width:64px;height:64px;
  align-items:center;justify-content:center;
  background:linear-gradient(135deg, rgba(201,168,106,.15), rgba(201,168,106,.05));
  color:var(--navy);
  border-radius:var(--radius-lg);
  margin-bottom:20px;
  transition:all .35s var(--ease);
}
.service-card:hover .service-icon{
  background:var(--gold);
  color:var(--white);
  transform:scale(1.05);
}
.service-card h3{
  font-family:var(--serif);
  font-size:21px;
  color:var(--navy);
  margin-bottom:12px;
  font-weight:600;
}
.service-card p{
  font-size:14.5px;
  color:var(--gray-1);
  margin-bottom:18px;
  line-height:1.7;
}
.service-list{
  border-top:1px dashed var(--gray-3);
  padding-top:14px;
}
.service-list li{
  font-size:13.5px;
  color:var(--ink-2);
  padding:4px 0 4px 18px;
  position:relative;
}
.service-list li::before{
  content:"◆";
  position:absolute;
  left:0;
  color:var(--gold);
  font-size:10px;
  top:9px;
}

/* ===========================
   语种卡片
   =========================== */
.lang-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
}
.lang-card{
  padding:28px 22px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  text-align:center;
  transition:all .35s var(--ease);
  cursor:pointer;
}
.lang-card:hover{
  background:rgba(255,255,255,.08);
  border-color:var(--gold);
  transform:translateY(-4px);
}
.lang-flag{
  font-size:48px;
  margin-bottom:12px;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.3));
  transition:transform .35s var(--ease);
}
.lang-card:hover .lang-flag{transform:scale(1.15)}
.lang-name{
  font-family:var(--serif);
  font-size:18px;
  color:var(--white);
  font-weight:600;
  margin-bottom:6px;
}
.lang-region{
  font-size:12.5px;
  color:rgba(255,255,255,.6);
  margin-bottom:10px;
  line-height:1.5;
}
.lang-tag{
  display:inline-block;
  padding:3px 10px;
  background:rgba(201,168,106,.18);
  color:var(--gold-light);
  font-size:11.5px;
  border-radius:100px;
  letter-spacing:.04em;
}
.lang-tag-link{
  background:var(--gold);
  color:var(--navy);
  font-weight:600;
  transition:all .3s var(--ease);
}
.lang-tag-link:hover{background:var(--white);color:var(--navy)}
.lang-card-more .lang-more-plus{
  font-size:48px;
  color:var(--gold);
  font-family:var(--serif);
  font-weight:300;
  line-height:1;
  margin-bottom:12px;
}

/* ===========================
   优势卡片
   =========================== */
.advantage-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.advantage-card{
  padding:36px 30px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  position:relative;
  transition:all .35s var(--ease);
}
.advantage-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.advantage-num{
  font-family:var(--serif);
  font-size:48px;
  color:var(--gold-light);
  font-weight:700;
  line-height:1;
  margin-bottom:18px;
  letter-spacing:-.02em;
}
.advantage-card h3{
  font-family:var(--serif);
  font-size:19px;
  color:var(--navy);
  margin-bottom:12px;
  font-weight:600;
}
.advantage-card p{
  font-size:14.5px;
  color:var(--gray-1);
  line-height:1.75;
}

/* ===========================
   流程
   =========================== */
.process-grid{
  display:grid;
  grid-template-columns:repeat(11, 1fr);
  gap:10px;
  align-items:start;
}
.process-step{
  grid-column:span 2;
  text-align:center;
  padding:24px 16px;
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:all .3s var(--ease);
}
.process-step:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.process-num{
  font-family:var(--serif);
  font-size:28px;
  color:var(--gold-2);
  font-weight:700;
  margin-bottom:8px;
  letter-spacing:-.02em;
}
.process-step h4{
  font-family:var(--serif);
  font-size:17px;
  color:var(--navy);
  margin-bottom:8px;
  font-weight:600;
}
.process-step p{
  font-size:13px;
  color:var(--gray-1);
  line-height:1.6;
}
.process-arrow{
  grid-column:span 1;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  color:var(--gold-2);
  font-weight:300;
  padding-top:24px;
}

/* ===========================
   案例
   =========================== */
.case-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.case-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .35s var(--ease);
  border:1px solid var(--line);
}
.case-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.case-cover{
  aspect-ratio:16/9;
  position:relative;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  padding:24px;
  color:var(--white);
}
.case-flag{
  font-size:54px;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.4));
}
.case-lang{
  font-family:var(--serif);
  font-size:18px;
  font-weight:600;
  background:rgba(255,255,255,.18);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:6px 14px;
  border-radius:100px;
}
.case-body{padding:24px}
.case-body h4{
  font-family:var(--serif);
  font-size:17px;
  color:var(--navy);
  margin-bottom:8px;
  font-weight:600;
}
.case-body p{
  font-size:13.5px;
  color:var(--gray-1);
  line-height:1.65;
  margin-bottom:14px;
}
.case-tags{
  display:flex;
  gap:6px;
  flex-wrap:wrap;
}
.case-tags span{
  font-size:12px;
  padding:3px 10px;
  background:var(--cream);
  color:var(--navy);
  border-radius:100px;
}

/* ===========================
   FAQ
   =========================== */
.faq-list{
  max-width:900px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .3s var(--ease);
}
.faq-item[open]{
  background:rgba(255,255,255,.08);
  border-color:var(--gold);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  font-family:var(--serif);
  font-size:17px;
  color:var(--white);
  font-weight:500;
  transition:color .3s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--gold-light)}
.faq-q{flex:1}
.faq-toggle{
  flex-shrink:0;
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(201,168,106,.2);
  color:var(--gold);
  border-radius:50%;
  font-size:20px;
  font-weight:300;
  transition:transform .3s var(--ease);
}
.faq-item[open] .faq-toggle{
  transform:rotate(45deg);
  background:var(--gold);
  color:var(--navy);
}
.faq-a{
  padding:0 28px 24px;
  color:rgba(255,255,255,.78);
  font-size:14.5px;
  line-height:1.85;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:18px;
  margin-top:0;
}
.faq-a p{margin:0}

/* ===========================
   关于
   =========================== */
.about-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:60px;
  align-items:center;
}
.about-photo{
  position:relative;
}
.photo-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:var(--cream);
  aspect-ratio:4/5;
}
.photo-frame::before{
  content:"";
  position:absolute;
  inset:-12px;
  border:1px solid var(--gold);
  border-radius:var(--radius-lg);
  z-index:-1;
}
.photo-frame img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.about-photo:hover .photo-frame img{transform:scale(1.04)}
.photo-sign{
  position:absolute;
  bottom:18px;
  left:18px;
  background:rgba(10,37,64,.92);
  color:var(--white);
  padding:8px 18px;
  border-radius:100px;
  font-family:var(--serif);
  font-size:15px;
  font-weight:500;
  letter-spacing:.04em;
  backdrop-filter:blur(8px);
}
.photo-sign sup{color:var(--gold-light);font-size:.7em}
.about-content .section-eyebrow{
  display:inline-block;
  margin-bottom:14px;
}
.about-title{
  font-family:var(--serif);
  font-size:clamp(28px, 3.5vw, 38px);
  color:var(--navy);
  font-weight:700;
  line-height:1.3;
  margin-bottom:24px;
  letter-spacing:-.01em;
}
.about-title em{font-style:normal;color:var(--gold-2)}
.about-content p{
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.95;
  margin-bottom:14px;
}
.about-content strong{color:var(--navy);font-weight:600}
.about-content em{font-style:italic;color:var(--gold-2)}
.about-meta{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin:24px 0 32px;
  padding:24px;
  background:var(--cream);
  border-radius:var(--radius-lg);
  border-left:3px solid var(--gold);
}
.meta-item{
  display:flex;
  font-size:14.5px;
  gap:14px;
}
.meta-label{
  color:var(--gray-1);
  min-width:84px;
}
.meta-value{color:var(--navy);font-weight:500}

/* ===========================
   联系
   =========================== */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:48px;
}
.contact-card{
  padding:36px 24px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  text-align:center;
  transition:all .3s var(--ease);
}
.contact-card:hover{
  background:rgba(255,255,255,.08);
  border-color:var(--gold);
  transform:translateY(-4px);
}
.contact-icon{
  font-size:36px;
  margin-bottom:14px;
}
.contact-card h4{
  font-family:var(--serif);
  font-size:18px;
  color:var(--white);
  margin-bottom:12px;
  font-weight:600;
}
.contact-value{
  font-size:22px;
  color:var(--gold-light);
  font-weight:600;
  font-family:var(--serif);
  margin-bottom:6px;
}
.contact-value a{color:var(--gold-light)}
.contact-value a:hover{color:var(--white)}
.contact-sub{
  font-size:13px;
  color:rgba(255,255,255,.5);
  letter-spacing:.02em;
}
.contact-qr{padding:24px}
.qr-box{
  width:160px;height:160px;
  margin:0 auto 14px;
  background:var(--white);
  border-radius:var(--radius);
  padding:10px;
  overflow:hidden;
}
.qr-box img{width:100%;height:100%;object-fit:contain}
.contact-cta{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.contact-cta .btn-primary{background:var(--gold);color:var(--navy)}
.contact-cta .btn-primary:hover{background:var(--white);color:var(--navy)}
.contact-cta .btn-ghost{
  color:var(--white);
  border-color:rgba(255,255,255,.4);
}
.contact-cta .btn-ghost:hover{
  background:var(--white);
  color:var(--navy);
  border-color:var(--white);
}

/* ===========================
   服务链接网格
   =========================== */
.service-links{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:12px;
}
.service-link{
  padding:14px 16px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  text-align:center;
  font-size:14px;
  color:var(--ink-2);
  font-weight:500;
  transition:all .3s var(--ease);
  position:relative;
  overflow:hidden;
}
.service-link::after{
  content:"↗";
  margin-left:4px;
  font-size:12px;
  opacity:0;
  transition:opacity .3s var(--ease);
}
.service-link:hover{
  background:var(--navy);
  color:var(--white);
  border-color:var(--navy);
  transform:translateY(-2px);
}
.service-link:hover::after{opacity:1;color:var(--gold-light)}
.service-link-current{
  background:var(--navy);
  color:var(--white);
  border-color:var(--navy);
  position:relative;
}
.service-link-current::before{
  content:"当前";
  position:absolute;
  top:-8px;right:8px;
  background:var(--gold);
  color:var(--navy);
  font-size:10px;
  font-weight:600;
  padding:2px 8px;
  border-radius:100px;
  letter-spacing:.04em;
}

/* ===========================
   底部
   =========================== */
.site-footer{
  background:#061828;
  color:rgba(255,255,255,.6);
  padding:60px 0 30px;
  border-top:3px solid var(--gold);
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  margin-bottom:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-logo{
  font-family:var(--serif);
  font-size:22px;
  color:var(--white);
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-logo sup{color:var(--gold-light);font-size:.6em}
.footer-logo span{color:var(--gold-light);font-weight:400;font-size:.85em;font-family:var(--sans)}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  margin-bottom:18px;
  color:rgba(255,255,255,.55);
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:14px;
  color:rgba(255,255,255,.75);
}
.footer-col h5{
  color:var(--white);
  font-family:var(--serif);
  font-size:16px;
  margin-bottom:18px;
  font-weight:600;
  position:relative;
  padding-bottom:10px;
}
.footer-col h5::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:24px;height:2px;
  background:var(--gold);
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.6);
  padding:5px 0;
  transition:all .3s var(--ease);
}
.footer-col a:hover{
  color:var(--gold-light);
  padding-left:6px;
}
.footer-bottom{
  display:flex;
  flex-direction:column;
  gap:12px;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
  text-align:center;
}
.copyright a{color:rgba(255,255,255,.75);font-weight:500}
.copyright a:hover{color:var(--gold-light)}
.beian{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.beian a{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:rgba(255,255,255,.55);
}
.beian a:hover{color:var(--gold-light)}
.beian-sep{color:rgba(255,255,255,.2)}
.beian-icon{color:var(--gold)}

/* ===========================
   浮动按钮
   =========================== */
.float-actions{
  position:fixed;
  right:24px;
  bottom:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  z-index:90;
}
.float-action{
  width:48px;height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--navy);
  color:var(--white);
  border-radius:50%;
  font-size:20px;
  box-shadow:0 6px 20px rgba(10,37,64,.3);
  transition:all .3s var(--ease);
}
.float-action:hover{
  background:var(--gold-2);
  color:var(--white);
  transform:translateY(-2px) scale(1.05);
  box-shadow:0 10px 30px rgba(184,146,61,.4);
}
.float-top{opacity:0;pointer-events:none;transform:translateY(20px)}
.float-top.is-show{
  opacity:1;pointer-events:auto;transform:translateY(0);
}

/* ===========================
   滚动渐入
   =========================== */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* ===========================
   响应式
   =========================== */
@media (max-width: 1200px){
  .footer-top{grid-template-columns:2fr 1fr 1fr;gap:36px}
  .footer-col:last-child{display:none}
}
@media (max-width: 1024px){
  .container{padding:0 20px}
  .section{padding:80px 0}
  .hero-inner{grid-template-columns:1fr;gap:50px}
  .hero-visual{height:480px;max-width:480px;margin:0 auto;width:100%}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .lang-grid{grid-template-columns:repeat(3,1fr)}
  .advantage-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .service-links{grid-template-columns:repeat(4,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .process-step{grid-column:span 1}
  .process-arrow{
    grid-column:span 2;
    transform:rotate(90deg);
    padding-top:0;
    height:30px;
  }
  .trust-grid{grid-template-columns:repeat(3,1fr);row-gap:30px}
  .about-wrap{grid-template-columns:1fr;gap:40px}
  .photo-frame{max-width:380px;margin:0 auto}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-col:last-child{display:block}
}
@media (max-width: 768px){
  .topbar-inner{font-size:12px;height:34px}
  .topbar-divider,.topbar-left .topbar-divider{display:none}
  .topbar-left .topbar-item:last-child{display:none}
  .nav-inner{height:64px}
  .logo-brand{font-size:22px}
  .logo-sub{font-size:15px}
  .logo-sep{font-size:16px}
  .main-nav{
    position:fixed;
    top:64px;left:0;right:0;
    background:var(--white);
    flex-direction:column;
    align-items:stretch;
    padding:24px 20px;
    gap:0;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    transform:translateY(-120%);
    transition:transform .4s var(--ease);
    max-height:calc(100vh - 64px);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0)}
  .nav-link{padding:14px 8px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-link::after{display:none}
  .nav-cta{margin:14px 0 0;text-align:center;border-radius:var(--radius)}
  .menu-toggle{display:flex}
  .hero{padding:50px 0 60px}
  .hero-title{font-size:34px}
  .hero-desc{font-size:15.5px}
  .hero-stats{gap:18px}
  .stat-num{font-size:32px}
  .stat-sep{display:none}
  .hero-visual{height:420px}
  .hero-card-float{right:0;top:20px}
  .hero-card-float2{left:0;bottom:20px}
  .section{padding:60px 0}
  .section-head{margin-bottom:40px}
  .section-title{font-size:26px}
  .service-grid,.lang-grid,.advantage-grid,.case-grid{grid-template-columns:1fr}
  .service-links{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .qr-box{width:140px;height:140px}
  .float-actions{right:14px;bottom:14px}
  .float-action{width:44px;height:44px;font-size:18px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .btn{padding:12px 22px;font-size:14px}
}
@media (max-width: 480px){
  .container{padding:0 16px}
  .hero-title{font-size:28px}
  .hero-title-line2{font-size:.6em}
  .hero-stats{flex-direction:column;align-items:flex-start;gap:12px}
  .lang-pills{font-size:11px}
  .pill{padding:4px 8px;font-size:11px}
  .case-tags{font-size:11px}
}