/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);background:#fff;line-height:1.65;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit;color:inherit;outline:none;border:none;background:none}
ul{list-style:none}

/* ============ 变量 ============ */
:root{
  --navy:#08152a;
  --navy-2:#0d2140;
  --navy-3:#16304f;
  --gold:#c9a961;
  --gold-2:#e6d09a;
  --gold-deep:#a8863f;
  --text:#15233a;
  --muted:#61748b;
  --line:#e7ecf3;
  --bg-soft:#f6f8fb;
  --radius:18px;
  --shadow-sm:0 8px 24px -12px rgba(9,25,48,.18);
  --shadow:0 22px 60px -28px rgba(9,25,48,.32);
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ============ 通用 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--navy);color:#fff}

.sec-head{max-width:720px;margin:0 auto 60px;text-align:center}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:var(--gold-deep);
  text-transform:uppercase;font-weight:700;margin-bottom:16px;
}
.sec-tag::before,.sec-tag::after{content:"";width:22px;height:1px;background:currentColor;opacity:.6}
.sec-title{
  font-size:clamp(26px,3.6vw,42px);line-height:1.25;
  font-weight:800;letter-spacing:-.5px;color:var(--text);
}
.section-dark .sec-title{color:#fff}
.sec-title em{font-style:normal;color:var(--gold-deep);position:relative}
.section-dark .sec-title em{color:var(--gold)}
.sec-desc{margin-top:18px;color:var(--muted);font-size:16px}
.section-dark .sec-desc{color:rgba(255,255,255,.62)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 32px;border-radius:999px;font-weight:700;font-size:15px;
  cursor:pointer;transition:all .3s var(--ease);white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg,#e9d29b 0%,#c9a961 45%,#a8863f 100%);
  color:#0a1628;box-shadow:0 14px 34px -14px rgba(201,169,97,.85);
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 44px -16px rgba(201,169,97,.95)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);transform:translateY(-3px)}
.btn-outline{border:1.5px solid var(--line);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 顶部导航 ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  padding:20px 0;transition:all .35s var(--ease);
}
.header.scrolled{
  padding:11px 0;background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:0 8px 34px -18px rgba(9,25,48,.35);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,#e9d29b,#c9a961 50%,#8f6f2f);
  display:grid;place-items:center;color:#08152a;
  box-shadow:0 8px 20px -8px rgba(201,169,97,.9);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;letter-spacing:.5px;color:#fff;transition:color .35s}
.logo-text span{font-size:10.5px;letter-spacing:2.4px;color:rgba(255,255,255,.5);transition:color .35s;margin-top:5px}
.header.scrolled .logo-text b{color:var(--text)}
.header.scrolled .logo-text span{color:var(--muted)}

.nav{display:flex;align-items:center;gap:34px}
.nav a{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.82);
  position:relative;transition:color .3s;padding:6px 0;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-deep));
  border-radius:2px;transition:width .3s var(--ease);
}
.nav a:hover::after{width:100%}
.nav a:hover{color:#fff}
.header.scrolled .nav a{color:var(--text)}
.header.scrolled .nav a:hover{color:var(--gold-deep)}

.header-cta{display:flex;align-items:center;gap:14px}
.header-phone{
  display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px;
  color:#fff;transition:color .35s;letter-spacing:.4px;
}
.header-phone svg{width:17px;height:17px;color:var(--gold)}
.header.scrolled .header-phone{color:var(--navy)}
.header .btn{padding:12px 26px;font-size:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  cursor:pointer;transition:background .3s;
}
.nav-toggle span{
  width:22px;height:2px;background:#fff;border-radius:2px;
  transition:all .3s var(--ease);
}
.header.scrolled .nav-toggle span{background:var(--text)}
body.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .nav-toggle span:nth-child(2){opacity:0}
body.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
body.menu-open .nav-toggle span{background:#fff!important}

/* 移动端菜单 */
.mobile-menu{
  position:fixed;inset:0;z-index:190;background:rgba(8,21,42,.98);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;
  opacity:0;visibility:hidden;transition:all .4s var(--ease);
}
body.menu-open .mobile-menu{opacity:1;visibility:visible}
.mobile-menu a{
  color:rgba(255,255,255,.85);font-size:20px;font-weight:600;
  padding:14px 30px;transition:all .3s;
}
.mobile-menu a:hover{color:var(--gold)}
.mobile-menu .mm-phone{
  margin-top:26px;color:var(--gold);font-size:22px;font-weight:800;letter-spacing:1px;
}
.mobile-menu .mm-note{color:rgba(255,255,255,.4);font-size:13px;letter-spacing:2px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:170px 0 130px;
  background:
    radial-gradient(1100px 600px at 82% -12%, rgba(201,169,97,.20), transparent 62%),
    radial-gradient(900px 520px at -5% 105%, rgba(45,110,200,.22), transparent 62%),
    linear-gradient(160deg,#061223 0%,#0a1c33 46%,#0e2340 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 74%);
  mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 74%);
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-160px;top:8%;background:radial-gradient(circle,rgba(201,169,97,.16),transparent 68%);
  filter:blur(10px);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px 8px 10px;border-radius:999px;
  background:rgba(201,169,97,.12);border:1px solid rgba(201,169,97,.28);
  font-size:13px;color:var(--gold-2);font-weight:600;letter-spacing:.5px;
  margin-bottom:26px;
}
.hero-badge i{
  width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#e9d29b,#a8863f);
  display:grid;place-items:center;font-style:normal;color:#08152a;font-size:12px;font-weight:900;
}
.hero h1{
  font-size:clamp(32px,4.9vw,58px);line-height:1.16;
  font-weight:900;letter-spacing:-1.2px;margin-bottom:24px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#e9d29b 0%,#c9a961 45%,#e6d09a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(15px,1.5vw,17px);color:rgba(255,255,255,.68);
  max-width:560px;margin-bottom:34px;line-height:1.85;
}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-bottom:40px}
.hero-points li{
  display:flex;align-items:center;gap:9px;
  font-size:14.5px;color:rgba(255,255,255,.8);font-weight:500;
}
.hero-points svg{width:16px;height:16px;color:var(--gold);flex-shrink:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* Hero 表单卡片 */
.hero-card{
  background:rgba(255,255,255,.985);
  border-radius:22px;padding:34px 30px 30px;
  box-shadow:0 46px 90px -34px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.1);
  color:var(--text);position:relative;
}
.hero-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:22px 22px 0 0;
  background:linear-gradient(90deg,#e9d29b,#c9a961,#a8863f);
}
.hero-card h3{font-size:20px;font-weight:800;margin-bottom:6px;letter-spacing:-.3px}
.hero-card p{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:#4a5b70;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:11px;
  border:1.5px solid var(--line);background:#fafbfd;
  font-size:14.5px;transition:all .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(201,169,97,.13);
}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2361748b' stroke-width='2.5' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:40px;
}
.hero-card .btn{margin-top:8px}
.form-note{
  display:flex;align-items:center;justify-content:center;gap:6px;
  margin-top:14px;font-size:12.5px;color:#93a3b6;
}
.form-note svg{width:13px;height:13px;color:var(--gold-deep)}

/* ============ 数据条 ============ */
.stats{position:relative;z-index:5;margin-top:-58px}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-radius:20px;overflow:hidden;
  box-shadow:0 30px 70px -34px rgba(9,25,48,.4);
  border:1px solid var(--line);
}
.stat{
  padding:36px 26px;text-align:center;position:relative;
  transition:background .35s;
}
.stat:not(:last-child)::after{
  content:"";position:absolute;right:0;top:22%;height:56%;width:1px;background:var(--line);
}
.stat:hover{background:#fbfcfe}
.stat-num{
  font-size:clamp(30px,3.4vw,42px);font-weight:900;line-height:1;
  letter-spacing:-1.5px;color:var(--navy);
  font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;justify-content:center;gap:2px;
}
.stat-num i{
  font-style:normal;font-size:.55em;font-weight:800;color:var(--gold-deep);margin-left:2px;
}
.stat-label{margin-top:12px;font-size:13.5px;color:var(--muted);font-weight:500}

/* ============ 服务项目 ============ */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:36px 30px 32px;
  transition:all .4s var(--ease);overflow:hidden;
}
.svc::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  border:1.5px solid transparent;transition:border-color .4s;pointer-events:none;
}
.svc::before{
  content:"";position:absolute;top:-60px;right:-60px;width:160px;height:160px;
  border-radius:50%;background:radial-gradient(circle,rgba(201,169,97,.14),transparent 70%);
  opacity:0;transition:opacity .4s;
}
.svc:hover{transform:translateY(-8px);box-shadow:0 34px 60px -30px rgba(9,25,48,.3);border-color:transparent}
.svc:hover::after{border-color:rgba(201,169,97,.45)}
.svc:hover::before{opacity:1}
.svc-icon{
  width:58px;height:58px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(145deg,#0d2140,#16304f);color:var(--gold);
  margin-bottom:24px;transition:all .4s var(--ease);
  box-shadow:0 12px 26px -14px rgba(13,33,64,.7);
}
.svc:hover .svc-icon{
  background:linear-gradient(145deg,#e9d29b,#c9a961 55%,#a8863f);color:#08152a;
  transform:scale(1.06) rotate(-4deg);
}
.svc-icon svg{width:27px;height:27px}
.svc h3{font-size:19px;font-weight:800;margin-bottom:12px;letter-spacing:-.3px}
.svc p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:18px}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px}
.svc-tags span{
  font-size:12.5px;padding:4px 11px;border-radius:8px;
  background:var(--bg-soft);color:#5b6e85;font-weight:500;
  transition:all .3s;
}
.svc:hover .svc-tags span{background:rgba(201,169,97,.13);color:var(--gold-deep)}
.svc-more{
  position:absolute;right:28px;bottom:30px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-soft);color:#8b9cb0;
  opacity:0;transform:translateX(-8px);transition:all .4s var(--ease);
}
.svc:hover .svc-more{opacity:1;transform:none;background:var(--gold);color:#08152a}
.svc-more svg{width:15px;height:15px}

/* ============ 优势 ============ */
.adv-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}
.adv-copy .sec-tag{margin-bottom:14px}
.adv-copy h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1.25;
  letter-spacing:-.8px;margin-bottom:22px;
}
.adv-copy h2 em{
  font-style:normal;
  background:linear-gradient(120deg,#e9d29b,#c9a961 50%,#a8863f);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.adv-copy > p{color:rgba(255,255,255,.62);font-size:15.5px;line-height:1.9;margin-bottom:34px}
.adv-list{display:flex;flex-direction:column;gap:18px;margin-bottom:38px}
.adv-list li{display:flex;gap:14px;align-items:flex-start}
.adv-list .tick{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:3px;
  background:rgba(201,169,97,.16);color:var(--gold);
  display:grid;place-items:center;
}
.adv-list .tick svg{width:12px;height:12px}
.adv-list b{display:block;font-size:15.5px;font-weight:700;color:#fff;margin-bottom:3px}
.adv-list span{font-size:14px;color:rgba(255,255,255,.55)}

.adv-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.adv-card{
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  padding:30px 26px;transition:all .4s var(--ease);
  position:relative;overflow:hidden;
}
.adv-card:hover{
  transform:translateY(-7px);border-color:rgba(201,169,97,.45);
  background:linear-gradient(160deg,rgba(201,169,97,.14),rgba(255,255,255,.03));
}
.adv-card:nth-child(2){margin-top:26px}
.adv-card:nth-child(4){margin-top:-26px}
.adv-card .num{
  font-size:34px;font-weight:900;line-height:1;letter-spacing:-1.4px;
  background:linear-gradient(120deg,#e9d29b,#c9a961);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.adv-card h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:8px}
.adv-card p{font-size:13.5px;color:rgba(255,255,255,.52);line-height:1.7}

/* ============ 服务流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:20px}
.flow::before{
  content:"";position:absolute;top:34px;left:10%;right:10%;height:2px;
  background:linear-gradient(90deg,rgba(201,169,97,.15),rgba(201,169,97,.55),rgba(201,169,97,.15));
}
.flow-item{text-align:center;position:relative;padding:0 12px}
.flow-dot{
  width:68px;height:68px;border-radius:50%;margin:0 auto 22px;
  background:#fff;border:2px solid var(--line);
  display:grid;place-items:center;position:relative;z-index:2;
  font-weight:900;font-size:20px;color:var(--muted);
  transition:all .4s var(--ease);
}
.flow-item:hover .flow-dot{
  border-color:var(--gold);color:var(--gold-deep);
  transform:translateY(-6px) scale(1.05);
  box-shadow:0 16px 34px -16px rgba(201,169,97,.9);
}
.flow-item h4{font-size:16px;font-weight:700;margin-bottom:9px}
.flow-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 案例 ============ */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .4s var(--ease);display:flex;flex-direction:column;
}
.case:hover{transform:translateY(-8px);box-shadow:0 34px 64px -32px rgba(9,25,48,.32);border-color:transparent}
.case-top{
  height:132px;position:relative;overflow:hidden;
  background:linear-gradient(140deg,#0a1c33,#16304f);
  display:flex;align-items:center;padding:0 28px;
}
.case-top::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:32px 32px;
}
.case:nth-child(2) .case-top{background:linear-gradient(140deg,#0d2140,#1d3a5e)}
.case:nth-child(3) .case-top{background:linear-gradient(140deg,#122a49,#24446c)}
.case-cat{
  position:relative;z-index:2;font-size:12px;font-weight:700;letter-spacing:1.4px;
  color:var(--gold);border:1px solid rgba(201,169,97,.4);
  padding:5px 13px;border-radius:999px;background:rgba(201,169,97,.1);
}
.case-body{padding:28px 28px 30px;flex:1;display:flex;flex-direction:column}
.case-body h3{font-size:17.5px;font-weight:800;line-height:1.45;margin-bottom:12px;letter-spacing:-.2px}
.case-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px;flex:1}
.case-metrics{display:flex;gap:22px;padding-top:18px;border-top:1px dashed var(--line)}
.case-metrics div{display:flex;flex-direction:column}
.case-metrics b{
  font-size:21px;font-weight:900;color:var(--gold-deep);letter-spacing:-.6px;
  font-variant-numeric:tabular-nums;
}
.case-metrics span{font-size:12.5px;color:#93a3b6;margin-top:2px}

/* ============ 评价 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;position:relative;transition:all .4s var(--ease);
}
.quote:hover{transform:translateY(-6px);box-shadow:0 30px 60px -32px rgba(9,25,48,.3)}
.quote-mark{
  font-size:64px;line-height:.7;font-weight:900;color:rgba(201,169,97,.22);
  font-family:Georgia,serif;margin-bottom:14px;
}
.quote p{font-size:14.8px;color:#40526a;line-height:1.9;margin-bottom:26px}
.quote-user{display:flex;align-items:center;gap:13px;padding-top:20px;border-top:1px solid var(--line)}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(140deg,#0d2140,#24446c);color:var(--gold);
  font-weight:800;font-size:15px;letter-spacing:.5px;
}
.quote-user b{display:block;font-size:14.5px;font-weight:700}
.quote-user span{font-size:12.5px;color:var(--muted)}
.stars{display:flex;gap:2px;margin-bottom:14px;color:#e8b93f}
.stars svg{width:15px;height:15px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;
  margin-bottom:14px;overflow:hidden;transition:all .35s var(--ease);
}
.faq-item.open{border-color:rgba(201,169,97,.5);box-shadow:0 20px 44px -26px rgba(9,25,48,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);transition:color .3s;
}
.faq-item.open .faq-q{color:var(--gold-deep)}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  border:1.5px solid var(--line);position:relative;transition:all .35s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:var(--muted);border-radius:2px;transition:all .35s var(--ease);
}
.faq-icon::before{width:11px;height:1.5px}
.faq-icon::after{width:1.5px;height:11px}
.faq-item.open .faq-icon{background:var(--gold);border-color:var(--gold)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#08152a}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .38s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:0 26px 24px;font-size:14.8px;color:var(--muted);line-height:1.9;
}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;
  background:linear-gradient(135deg,#08152a 0%,#0f2644 55%,#16304f 100%);
  padding:66px 60px;display:flex;align-items:center;justify-content:space-between;
  gap:40px;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(circle at 80% 50%,#000,transparent 70%);
  mask-image:radial-gradient(circle at 80% 50%,#000,transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-110px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,169,97,.24),transparent 66%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.8vw,34px);font-weight:900;letter-spacing:-.6px;margin-bottom:12px;line-height:1.3}
.cta-band h2 em{
  font-style:normal;
  background:linear-gradient(120deg,#e9d29b,#c9a961);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cta-band p{color:rgba(255,255,255,.62);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ============ 联系 ============ */
.contact-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:20px}
.info-card{
  display:flex;gap:18px;padding:24px 26px;border-radius:16px;
  background:#fff;border:1px solid var(--line);transition:all .35s var(--ease);
}
.info-card:hover{border-color:rgba(201,169,97,.5);transform:translateX(5px);box-shadow:var(--shadow-sm)}
.info-ico{
  width:46px;height:46px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(145deg,#0d2140,#1d3a5e);color:var(--gold);
  display:grid;place-items:center;
}
.info-ico svg{width:21px;height:21px}
.info-card b{display:block;font-size:12.5px;color:#93a3b6;font-weight:600;letter-spacing:1.2px;margin-bottom:6px}
.info-card strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.2px}
.info-card small{display:block;font-size:13px;color:var(--muted);margin-top:4px;font-weight:400}

.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:42px 40px;box-shadow:0 30px 70px -40px rgba(9,25,48,.34);
}
.contact-form h3{font-size:22px;font-weight:800;margin-bottom:8px;letter-spacing:-.4px}
.contact-form > p{font-size:14px;color:var(--muted);margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form textarea{resize:vertical;min-height:104px;font-family:inherit}

/* ============ 页脚 ============ */
.footer{background:#061223;color:rgba(255,255,255,.62);padding:76px 0 0;font-size:14px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer .logo{margin-bottom:20px}
.footer .logo-text b{color:#fff}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.5);max-width:330px;margin-bottom:22px}
.footer-tel{
  display:inline-flex;align-items:center;gap:10px;
  font-size:24px;font-weight:900;color:var(--gold);letter-spacing:.5px;
}
.footer-tel svg{width:20px;height:20px}
.footer h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:22px;letter-spacing:.4px}
.footer-links{display:flex;flex-direction:column;gap:13px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.55);transition:all .3s;width:fit-content}
.footer-links a:hover{color:var(--gold);transform:translateX(4px)}
.footer-bottom{
  padding:26px 0;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.35);
}

/* ============ 悬浮按钮 ============ */
.float-side{
  position:fixed;right:22px;top:50%;transform:translateY(-50%);
  z-index:150;display:flex;flex-direction:column;gap:12px;
}
.float-btn{
  width:54px;height:54px;border-radius:16px;
  display:grid;place-items:center;position:relative;
  background:#fff;box-shadow:0 12px 30px -12px rgba(9,25,48,.4);
  color:var(--navy);transition:all .35s var(--ease);cursor:pointer;
  border:1px solid var(--line);
}
.float-btn:hover{transform:translateY(-4px) scale(1.05);background:var(--navy);color:var(--gold);border-color:var(--navy)}
.float-btn svg{width:22px;height:22px}
.float-btn.gold{background:linear-gradient(140deg,#e9d29b,#c9a961 55%,#a8863f);color:#08152a;border:none}
.float-btn.gold:hover{background:linear-gradient(140deg,#e9d29b,#c9a961);color:#08152a}
.float-tip{
  position:absolute;right:66px;top:50%;transform:translateY(-50%) translateX(6px);
  background:var(--navy);color:#fff;font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:9px;white-space:nowrap;
  opacity:0;visibility:hidden;transition:all .3s var(--ease);pointer-events:none;
}
.float-btn:hover .float-tip{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}

/* 移动端底部条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:160;display:none;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  gap:10px;box-shadow:0 -8px 30px -14px rgba(9,25,48,.28);
}
.mobile-bar a{
  flex:1;display:flex;align-items:center;justify-content:center;gap:7px;
  padding:13px 10px;border-radius:12px;font-size:14.5px;font-weight:700;
}
.mobile-bar .mb-call{background:var(--bg-soft);color:var(--navy);border:1px solid var(--line)}
.mobile-bar .mb-ask{background:linear-gradient(135deg,#e9d29b,#c9a961 55%,#a8863f);color:#08152a}
.mobile-bar svg{width:17px;height:17px}

/* Toast */
#toast{
  position:fixed;left:50%;bottom:44px;transform:translate(-50%,20px);
  background:var(--navy);color:#fff;padding:15px 28px;border-radius:14px;
  font-size:14.5px;font-weight:600;z-index:999;opacity:0;visibility:hidden;
  transition:all .35s var(--ease);box-shadow:0 20px 50px -18px rgba(0,0,0,.6);
  max-width:calc(100vw - 40px);text-align:center;
  border:1px solid rgba(201,169,97,.35);
}
#toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr);gap:36px 0}
  .flow::before{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
  .footer-grid > div:last-child{grid-column:1/-1}
}
@media (max-width:960px){
  .section{padding:76px 0}
  .nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding:130px 0 110px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-sub{max-width:100%}
  .hero-card{max-width:520px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2)::after{display:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .adv-wrap{grid-template-columns:1fr;gap:46px}
  .adv-cards{max-width:640px}
  .cases-grid,.quote-grid{grid-template-columns:1fr;max-width:620px;margin:0 auto}
  .contact-wrap{grid-template-columns:1fr;gap:40px}
  .cta-band{flex-direction:column;text-align:center;padding:50px 32px}
  .cta-band p{margin:0 auto}
  .cta-actions{justify-content:center}
  .float-side{display:none}
  .mobile-bar{display:flex}
  .footer{padding-bottom:76px}
}
@media (max-width:680px){
  .container{padding:0 20px}
  .section{padding:62px 0}
  .sec-head{margin-bottom:42px}
  .hero{padding:118px 0 96px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-points{gap:10px 18px}
  .hero-points li{font-size:13.5px}
  .hero-card{padding:28px 22px 24px}
  .stats{margin-top:-46px}
  .stat{padding:26px 14px}
  .stat-label{font-size:12.5px}
  .services-grid{grid-template-columns:1fr}
  .svc{padding:30px 24px 28px}
  .adv-cards{grid-template-columns:1fr}
  .adv-card:nth-child(2),.adv-card:nth-child(4){margin-top:0}
  .flow{grid-template-columns:1fr;gap:0}
  .flow-item{
    display:flex;gap:18px;text-align:left;padding:0 0 30px;position:relative;
  }
  .flow-item::before{
    content:"";position:absolute;left:33px;top:68px;bottom:0;width:2px;
    background:linear-gradient(180deg,rgba(201,169,97,.4),rgba(201,169,97,.05));
  }
  .flow-item:last-child::before{display:none}
  .flow-dot{margin:0;flex-shrink:0;width:68px;height:68px}
  .flow-item h4{margin-top:6px}
  .contact-form{padding:30px 22px}
  .form-row{grid-template-columns:1fr}
  .cta-band{padding:44px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer{padding-top:56px}
  .footer-bottom{flex-direction:column;text-align:center;gap:8px}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a p{padding:0 20px 20px}
}