/* ==========================================================================
   hegui.bcac.com.cn — 企业合规服务
   视觉体系 v2：深蓝 #0A2036 + 暖金 #C2A050 + 纸白 #FBFAF7
   设计语言：编辑排版感（serif 拉丁文眉标 + 汉字黑体大标题）+ 建筑感留白
             + 分层纸片（hairline / 双层投影 / 四角标记）
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root{
  /* 主色 */
  --navy:#0A2036;
  --navy-700:#0F2D4C;
  --navy-900:#06182A;
  --navy-2:#1E3A5F;
  --navy-3:#15324F;

  /* 金 */
  --gold:#C9A227;
  --gold-lt:#E2C66A;
  --gold-dk:#A8861D;
  --gold-soft:#FBF7EC;
  --gold-line:#F7EFD6;

  /* 中性 */
  --paper:#F5F7FA;
  --paper-2:#EDF0F4;
  --white:#fff;
  --line:#E4E7EC;
  --line-2:#EDEFF3;
  --text:#101C29;
  --muted:#55677A;
  --muted-2:#7E8D9C;

  --danger:#C4342B;
  --danger-soft:#FDF3F2;

  /* 尺寸 */
  --radius:18px;
  --radius-sm:10px;
  --wrap:1180px;
  --sp:clamp(72px,8.6vw,124px);
  --head-h:84px;

  /* 投影：三层叠加，近实远虚 */
  --shadow-xs:0 1px 2px rgba(6,24,42,.05);
  --shadow-sm:0 1px 2px rgba(6,24,42,.04),0 10px 24px -16px rgba(6,24,42,.28);
  --shadow-md:0 1px 3px rgba(6,24,42,.05),0 18px 40px -24px rgba(6,24,42,.32);
  --shadow-lg:0 2px 6px rgba(6,24,42,.06),0 34px 68px -32px rgba(6,24,42,.38);

  --serif:Georgia,"Times New Roman",Times,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);

  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 20px)}
body{
  margin:0;color:var(--text);background:var(--white);
  font-family:var(--sans);
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  font-feature-settings:"kern" 1;
  overflow-x:hidden;
}
img,svg{max-width:100%}
img{height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.018em;color:var(--navy);text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
::selection{background:rgba(201,162,39,.26);color:var(--navy)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:12px 20px;z-index:200}
.skip-link:focus{left:8px;top:8px}

/* ==========================================================================
   区块节奏
   ========================================================================== */
.sec{position:relative;padding:var(--sp) 0}
.sec--tight{padding:calc(var(--sp) * .62) 0}
.sec--white{background:#fff}
/* 暖纸底：比冷灰 #F5F7FA 更接近纸张，用于穿插在纯白区块之间，避免整页发"冷白" */
.sec--paper{background:#FBFAF7;border-top:1px solid #F1EDE4;border-bottom:1px solid #F1EDE4}
.sec--grey{background:var(--paper);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec--gold{background:linear-gradient(180deg,#FCF9F0,#F8F3E4)}

.sec--navy{
  background:
    radial-gradient(900px 440px at 82% -12%,rgba(201,162,39,.20),transparent 64%),
    radial-gradient(700px 380px at 6% 108%,rgba(56,104,158,.35),transparent 68%),
    linear-gradient(160deg,#0A2036 0%,#0D2A47 46%,#081D33 100%);
  color:#C6D6E4;overflow:hidden;
}
.sec--navy::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.28;
  background-image:var(--noise);mix-blend-mode:overlay;
}
.sec--navy::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,162,39,.55),transparent);
}
.sec--navy h2,.sec--navy h3,.sec--navy h4{color:#fff}
.sec--navy .sec-head p{color:#B3C6D7}

/* 细金线分隔 */
.rule-gold{height:1px;background:linear-gradient(90deg,rgba(201,162,39,.55),rgba(201,162,39,.08));border:0;margin:0}

/* ==========================================================================
   排版细节
   —— 标题用 balance 让多行断行长度均衡；正文用 pretty 避免末行只剩一两个字
   ========================================================================== */
h1,h2,h3,h4{text-wrap:balance}
p,li{text-wrap:pretty}
.cta__tel,.foot__contact,.stat__label{font-variant-numeric:tabular-nums}

/* ==========================================================================
   标题与文眉
   ========================================================================== */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);
  font-size:11px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;
  color:var(--gold-dk);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);flex:0 0 auto}
.eyebrow i{
  font-style:normal;font-family:var(--serif);letter-spacing:.1em;
  color:var(--gold);padding-right:11px;margin-right:1px;
  border-right:1px solid rgba(201,162,39,.45);
}
.sec--navy .eyebrow{color:var(--gold-lt)}
.sec--navy .eyebrow i{color:var(--gold-lt);border-right-color:rgba(226,198,106,.4)}

.sec-head{max-width:720px;margin-bottom:clamp(38px,4.4vw,58px)}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .eyebrow{justify-content:center}
.sec-head--center .eyebrow::after{content:"";width:26px;height:1px;background:var(--gold);flex:0 0 auto}
.sec-head h2{
  font-size:clamp(25px,3vw,38px);line-height:1.26;margin-bottom:0;
  letter-spacing:-.024em;
}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.9;max-width:620px}
.sec-head--center p{margin-left:auto;margin-right:auto}

/* 标题下的金色短标 */
.sec-head h2+.h2-line{width:44px;height:2px;background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0));margin-top:-6px;margin-bottom:16px}

/* 左右分栏式标题 */
.sec-head--split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.72fr);
  gap:clamp(24px,4vw,60px);align-items:end;max-width:none;
}
.sec-head--split .sec-head__main h2{max-width:14em}
.sec-head__aside{
  font-size:15px;color:var(--muted);line-height:1.9;
  padding-left:28px;border-left:1px solid var(--line);
}
.sec-head__aside p{max-width:none}
.sec-head__aside .btn{margin-top:20px}
.sec--navy .sec-head__aside{border-left-color:rgba(255,255,255,.16);color:#A8BFD2}

/* 观点陈述带 */
.statement{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(58px,6.6vw,100px) 0;
  background:linear-gradient(180deg,#FCFAF3,#F7F1E1);
  border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);
}
.statement::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 260px at 50% -20%,rgba(201,162,39,.2),transparent 72%);
}
.statement__orn{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:16px;
  margin-bottom:28px;
}
.statement__orn span{
  width:7px;height:7px;background:var(--gold);transform:rotate(45deg);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(201,162,39,.12);
}
.statement__orn::before,.statement__orn::after{content:"";width:80px;height:1px;flex:0 0 auto}
.statement__orn::before{background:linear-gradient(90deg,rgba(201,162,39,0),var(--gold))}
.statement__orn::after{background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0))}
.statement__text{
  position:relative;z-index:1;font-size:clamp(19px,2.3vw,29px);line-height:1.72;
  color:var(--navy);font-weight:700;letter-spacing:-.024em;
}
.statement__text em{
  font-style:normal;color:var(--gold-dk);position:relative;white-space:nowrap;
}
.statement__text em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:2px;
  background:linear-gradient(90deg,rgba(201,162,39,.5),rgba(201,162,39,.15));
}
.statement__sig{
  position:relative;z-index:1;margin:28px 0 0;display:inline-flex;align-items:center;gap:13px;
  font-family:var(--serif);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);
}
.statement__sig span{width:28px;height:1px;background:var(--gold)}
.br-pc{display:inline}


.lead{font-size:17.5px;color:var(--muted);line-height:1.9}

/* ==========================================================================
   按钮
   ========================================================================== */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:6px;font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:transform .3s var(--ease-out),box-shadow .3s var(--ease-out),background .25s,color .25s,border-color .25s,letter-spacing .3s;
  white-space:nowrap;overflow:hidden;
}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.32) 46%,transparent 62%);
  transform:translateX(-130%);transition:transform .7s var(--ease-out);
}
.btn:hover::after{transform:translateX(130%)}

.btn--gold{
  background:linear-gradient(135deg,#E2C66A 0%,#C9A227 52%,#A8861D 100%);
  color:#231A05;box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 10px 24px -12px rgba(168,134,29,.75);
}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 16px 34px -14px rgba(168,134,29,.85)}
.btn--gold:active{transform:translateY(0)}

.btn--ghost{border:1px solid rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.7);transform:translateY(-2px)}

.btn--navy{background:var(--navy);color:#fff;box-shadow:0 10px 22px -14px rgba(6,24,42,.9)}
.btn--navy:hover{background:var(--navy-700);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(6,24,42,.95)}

.btn--line{border:1px solid var(--line);color:var(--navy);background:#fff;box-shadow:var(--shadow-xs)}
.btn--line:hover{border-color:var(--navy);transform:translateY(-2px);box-shadow:var(--shadow-sm)}

.btn--lg{padding:17px 34px;font-size:16.5px}
.btn--block{width:100%}

/* 文字链 */
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--navy);position:relative}
.link-arrow svg{width:15px;height:15px;transition:transform .3s var(--ease-out)}
.link-arrow::after{content:"";position:absolute;left:0;right:22px;bottom:-3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease-out)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow:hover svg{transform:translateX(5px)}

/* ==========================================================================
   顶部信息条
   ========================================================================== */
.topbar{
  background:var(--navy-900);color:#8FA6BC;font-size:12.5px;letter-spacing:.02em;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar__note{display:flex;align-items:center;gap:9px}
.topbar__note svg{width:13px;height:13px;color:var(--gold)}
.topbar__links{display:flex;align-items:center;gap:16px;font-family:var(--serif);letter-spacing:.06em}
/* 小屏信息条：与 chengli.net.cn 移动端一致，一行只放电话与邮箱 */
.topbar__mini{display:none;align-items:center;justify-content:space-between;width:100%;gap:12px}
.topbar__mini a{display:inline-flex;align-items:center;gap:6px;color:#A9BCCE;font-family:var(--serif);letter-spacing:.04em;white-space:nowrap}
.topbar__mini a:hover{color:#fff}
.topbar__mini svg{width:12px;height:12px;color:var(--gold);stroke-width:1.9;flex:0 0 auto}
.topbar__links a{transition:color .2s}
.topbar__links a:hover{color:var(--gold-lt)}
.topbar .dot{width:1px;height:10px;background:rgba(255,255,255,.16);display:block}

/* ==========================================================================
   主导航
   ========================================================================== */
.site-head{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .35s var(--ease),border-color .35s,background .35s;
}
.site-head.is-stuck{
  box-shadow:0 1px 0 rgba(6,24,42,.06),0 14px 30px -26px rgba(6,24,42,.5);
  border-bottom-color:var(--line-2);
}
/* 三栏网格：LOGO / 菜单 / 电话 各占一栏，菜单列自动居中；
   左栏给略多的余量 + 菜单列左内距，让菜单视觉重心略偏右 */
.head__in{
  display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;column-gap:32px;height:var(--head-h);
}
.brand{display:flex;align-items:center;gap:13px;flex:0 0 auto}
.brand__mark{width:44px;height:44px;display:block;flex:0 0 auto}
.brand__mark svg{width:100%;height:100%;display:block}
.brand__txt{display:flex;flex-direction:column;gap:4px;line-height:1.18}
.brand__txt strong{font-size:21px;font-weight:700;color:#1A365D;letter-spacing:2.4px}
.brand__txt small{
  font-size:10.6px;letter-spacing:2.1px;color:#B8935A;
  font-weight:700;line-height:1.35;
}

.brand{justify-self:start}
.nav{justify-self:center;margin:0 0 0 clamp(14px,2.8vw,40px)}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__list>li{position:relative}
.nav__list>li>a{
  display:flex;align-items:center;gap:6px;padding:11px 16px;
  font-size:15px;font-weight:600;color:var(--text);
  transition:color .2s;
}
.nav__list>li>a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;height:1.5px;
  background:linear-gradient(90deg,var(--gold),var(--gold-lt));
  transform:scaleX(0);transform-origin:left;transition:transform .34s var(--ease-out);
}
.nav__list>li>a:hover{color:var(--navy)}
.nav__list>li>a:hover::after,.nav__list>li.is-active>a::after{transform:scaleX(1)}
.nav__list>li.is-active>a{color:var(--navy)}
.nav__caret{width:10px;height:10px;opacity:.5;transition:transform .3s var(--ease)}
.nav__list>li:hover .nav__caret{transform:rotate(180deg);opacity:.9}

.nav__sub{
  position:absolute;top:calc(100% + 10px);left:0;min-width:290px;padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg);z-index:50;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .18s ease-out,transform .22s var(--ease-out),visibility .18s;
}
.nav__sub::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.nav__sub::after{
  content:"";position:absolute;left:24px;top:-5px;width:9px;height:9px;background:#fff;
  border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg);
}
.nav__list>li:hover .nav__sub,.nav__list>li:focus-within .nav__sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav__sub a{
  display:block;padding:10px 13px;border-radius:9px;font-size:14.5px;color:var(--text);
  transition:background .18s,color .18s;position:relative;
}
.nav__sub a:hover{background:var(--gold-soft);color:var(--navy)}
.nav__sub a span{display:block;font-size:12px;color:var(--muted-2);font-weight:400;margin-top:2px;letter-spacing:0}

.head__cta{display:flex;align-items:center;gap:14px;justify-self:end}
.nav__foot{display:none}
.head__tels{
  display:flex;flex-direction:column;gap:5px;
  padding-left:16px;border-left:1px solid var(--line);
}
.head__tel{
  display:flex;align-items:center;gap:7px;white-space:nowrap;
  font-family:var(--serif);letter-spacing:.04em;color:var(--navy);
  transition:color .2s;
}
.head__tel svg{width:15px;height:15px;color:var(--gold);stroke-width:1.9;flex:0 0 auto}
.head__tel-num{font-size:15.5px;font-weight:700;line-height:1.16;font-variant-numeric:tabular-nums;min-width:123px}
.head__tel-tag{
  font-family:var(--sans);font-size:10.5px;font-weight:600;letter-spacing:.08em;
  color:#B8935A;
}
.head__tel--hq svg{transform:scale(.87);transform-origin:50% 50%;opacity:.8}
.head__tel--hq .head__tel-num{font-size:13.5px;font-weight:600;color:var(--muted)}
.head__tel--hq .head__tel-tag{color:var(--muted-2);font-weight:500}
.head__tel:hover .head__tel-num{color:var(--gold-dk)}
.head__tel:hover .head__tel-tag{color:var(--gold-dk)}
/* 页头右侧（小屏）：电话胶囊 + 方形汉堡。
   版式对齐 chengli.net.cn 移动端：42px 白底方形、1px 边框、11px 圆角、三条 19px 横线，
   点开时三条线变叉，而不是换成另一个按钮 */
.head__call{
  display:none;align-items:center;gap:6px;height:42px;padding:0 16px;
  border-radius:999px;
  background:linear-gradient(135deg,#E2C66A 0%,#C9A227 52%,#A8861D 100%);
  color:#231A05;font-size:13.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 10px 22px -14px rgba(168,134,29,.85);
  transition:filter .2s,transform .2s;
}
.head__call svg{width:15px;height:15px;stroke-width:1.9;flex:0 0 auto}
.head__call:hover{filter:brightness(1.04);transform:translateY(-1px)}
.burger{
  display:none;width:42px;height:42px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border-radius:11px;border:1px solid var(--line);background:#fff;
  transition:background .25s,border-color .25s;
}
/* flex:none 不能省：默认 flex-shrink:1 会把 19px 的线压成 5px（容器只有 40px，
   三条线加两道 5px 间距本来就超宽），实测过三次都是这个原因 */
.burger>span{
  display:block;flex:0 0 auto;width:19px;height:2px;border-radius:2px;background:var(--navy);
  transition:transform .25s,opacity .2s;
}
.burger:hover{background:var(--paper);border-color:var(--line-2)}
body.nav-open .burger>span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .burger>span:nth-child(2){opacity:0}
body.nav-open .burger>span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉头部与遮罩：桌面不渲染。遮罩 z-index 必须低于 .site-head 的 100，
   否则遮罩会盖住页头，把「页头固定 + 内容变暗」的关系反过来 */
.nav__head{display:none}
.nav-mask{
  position:fixed;inset:0;z-index:99;background:rgba(6,24,42,.45);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s;
}
body.nav-open .nav-mask{opacity:1;visibility:visible}
@media (min-width:1024px){.nav-mask{display:none}}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;overflow:hidden;color:#fff;isolation:isolate;
  background:
    radial-gradient(1100px 560px at 76% -14%,rgba(201,162,39,.20),transparent 62%),
    radial-gradient(760px 460px at 4% 104%,rgba(20,57,95,.9),transparent 70%),
    linear-gradient(145deg,#071B2E 0%,#0A2036 46%,#0D2743 100%);
  background-color:#0A2036;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 32% 22%,#000 10%,transparent 76%);
  mask-image:radial-gradient(ellipse 90% 80% at 32% 22%,#000 10%,transparent 76%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;opacity:.3;
  background-image:var(--noise);mix-blend-mode:overlay;
}
.hero__in{
  position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;
  align-items:center;padding-top:clamp(64px,7vw,104px);padding-bottom:clamp(124px,10.5vw,168px);
}
.hero__badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px 7px 13px;
  border-radius:4px;background:rgba(201,162,39,.1);
  border:1px solid rgba(201,162,39,.32);border-left:2px solid var(--gold);
  color:var(--gold-lt);font-size:12.5px;font-weight:600;letter-spacing:.05em;margin-bottom:28px;
}
.hero__badge svg{width:14px;height:14px;stroke-width:1.9}
.hero h1{
  font-size:clamp(31px,4.4vw,56px);line-height:1.16;color:#fff;
  letter-spacing:-.02em;margin-bottom:24px;font-weight:700;
}
.hero h1 em{
  font-style:normal;position:relative;white-space:nowrap;
  background:linear-gradient(100deg,#F3E3B4 0%,#E2C66A 40%,#C9A227 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 em::after{
  content:"";position:absolute;left:2px;right:2px;bottom:.02em;height:3px;
  background:linear-gradient(90deg,rgba(201,162,39,.75),rgba(201,162,39,0));
}
.hero__sub{font-size:16.5px;line-height:1.95;color:#AEC2D5;max-width:540px;margin-bottom:26px}
.hero__tags{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-bottom:34px}
.hero__tags span{
  font-size:12.5px;padding:0 16px;line-height:1;color:#BFD2E2;
  border-left:1px solid rgba(255,255,255,.15);letter-spacing:.06em;
}
.hero__tags span:first-child{padding-left:0;border-left:0}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__note{
  margin-top:24px;font-size:12.5px;color:#859CB0;display:flex;align-items:center;gap:9px;
  letter-spacing:.03em;
}
.hero__note svg{width:14px;height:14px;color:#79B396;flex:0 0 auto}

/* 开屏实景图 —— 排版同 zizhi.bcac.com.cn：圆角相框 + 冷白描边 + 外扩投影 + 压角浮标
   （大面积深蓝底上做渐隐会露出生硬接缝，改成明确成像更干净） */
.hero__figure{
  position:relative;justify-self:end;align-self:center;
  width:100%;max-width:512px;
}
.hero__photo{
  position:relative;aspect-ratio:1/1;border-radius:20px;overflow:hidden;
  outline:1px solid rgba(255,255,255,.13);
  box-shadow:
    0 44px 90px -34px rgba(0,0,0,.72),
    0 0 96px -26px rgba(29,84,128,.6),
    inset 0 0 0 1px rgba(255,255,255,.08);
}
.hero__photo img{
  display:block;width:100%;height:100%;object-fit:cover;object-position:50% 62%;
  transform:scale(1.16);transform-origin:52% 72%;
  filter:brightness(1.04) contrast(1.06) saturate(1.05);
}
/* 上下压深：顶部给金色标注让位，底部给浮标与画面收口让位 */
.hero__photo::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(to bottom,rgba(6,24,42,.46) 0%,rgba(6,24,42,.12) 18%,rgba(6,24,42,0) 34%),
    linear-gradient(to top,rgba(6,24,42,.78) 0%,rgba(6,24,42,.2) 20%,rgba(6,24,42,0) 40%);
}
.hero__fig-label{
  position:absolute;left:18px;top:16px;z-index:3;
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:10px;letter-spacing:.34em;text-transform:uppercase;
  color:rgba(233,209,158,.92);
}
.hero__fig-label::before{
  content:"";width:26px;height:1px;flex:0 0 auto;
  background:linear-gradient(90deg,rgba(201,162,39,0),var(--gold));
}
/* 压角浮标：白卡压在相框左下角，做出「照片 + 卡片」的前后层次 */
.hero__chip{
  position:absolute;left:-16px;bottom:-18px;z-index:4;
  display:flex;align-items:center;gap:12px;
  padding:12px 18px 12px 12px;border-radius:14px;
  background:rgba(255,255,255,.98);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 26px 54px -22px rgba(0,0,0,.6);
}
.hero__chip-ic{
  display:grid;place-items:center;width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:rgba(201,162,39,.16);border:1px solid rgba(201,162,39,.34);color:var(--gold-dk);
}
.hero__chip-ic svg{width:17px;height:17px}
.hero__chip-tx b{display:block;font-size:13.5px;font-weight:700;color:var(--navy);letter-spacing:.01em}
.hero__chip-tx i{
  display:block;font-style:normal;font-size:10.5px;color:var(--muted);
  margin-top:3px;letter-spacing:.04em;
}

/* ==========================================================================
   数据信任条（上浮卡片）
   ========================================================================== */
.stats{position:relative;z-index:3;margin-top:clamp(-64px,-5vw,-50px);background:none;border:0}
.stats__grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:32px 8px;
  position:relative;overflow:hidden;
}
.stats__grid::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold) 18%,var(--gold-lt) 50%,var(--gold) 82%,transparent);
}
.stat{text-align:center;padding:0 18px;border-right:1px solid var(--line-2)}
.stat:last-child{border-right:0}
.stat__num{
  display:flex;align-items:flex-start;justify-content:center;gap:1px;
  font-family:var(--serif);font-size:clamp(30px,3vw,44px);font-weight:700;line-height:1;
  color:var(--navy);letter-spacing:-.012em;font-variant-numeric:tabular-nums lining-nums;
}
.stat__num small{
  font-size:15px;font-weight:700;color:var(--gold-dk);line-height:1;
  padding-top:.42em;margin-left:1px;
}
.stat__label{margin-top:11px;font-size:12.5px;color:var(--muted);letter-spacing:.06em;font-weight:600}

/* ==========================================================================
   网格与卡片
   ========================================================================== */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.svgc{width:100%;height:100%;display:block}

.card{
  position:relative;display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 28px 26px;
  background:linear-gradient(180deg,#FFFFFF 0%,#FDFDFC 100%);
  box-shadow:0 1px 1px rgba(6,24,42,.03),0 16px 32px -26px rgba(6,24,42,.28);
  transition:transform .42s var(--ease-out),box-shadow .42s var(--ease-out),border-color .4s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-lt));
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-out);
}
.card::after{
  content:"";position:absolute;inset:9px;border-radius:11px;pointer-events:none;opacity:0;
  transition:opacity .45s var(--ease);
  background:
    linear-gradient(var(--gold),var(--gold)) left top/13px 1px no-repeat,
    linear-gradient(var(--gold),var(--gold)) left top/1px 13px no-repeat,
    linear-gradient(var(--gold),var(--gold)) right top/13px 1px no-repeat,
    linear-gradient(var(--gold),var(--gold)) right top/1px 13px no-repeat,
    linear-gradient(var(--gold),var(--gold)) left bottom/13px 1px no-repeat,
    linear-gradient(var(--gold),var(--gold)) left bottom/1px 13px no-repeat,
    linear-gradient(var(--gold),var(--gold)) right bottom/13px 1px no-repeat,
    linear-gradient(var(--gold),var(--gold)) right bottom/1px 13px no-repeat;
}
.card:hover{transform:translateY(-5px);box-shadow:0 1px 1px rgba(6,24,42,.03),0 26px 46px -26px rgba(6,24,42,.34);border-color:rgba(201,162,39,.4)}
.card:hover::before{transform:scaleX(1)}
.card:hover::after{opacity:.55}

.card__icon{
  position:relative;width:50px;height:50px;border-radius:13px;display:grid;place-items:center;
  margin-bottom:20px;color:var(--gold-dk);
  background:linear-gradient(160deg,#FDFAF1,#F7EFD9);
  border:1px solid #EFE0B8;
  box-shadow:0 1px 0 #fff inset,0 6px 14px -10px rgba(168,134,29,.6);
  transition:background .4s var(--ease),color .4s,border-color .4s,transform .4s var(--ease-out);
}
.card__icon::after{
  content:"";position:absolute;inset:-5px;border-radius:18px;border:1px solid rgba(201,162,39,.22);
  opacity:0;transition:opacity .45s;
}
.card__icon svg{width:25px;height:25px;stroke-width:1.6}
.card:hover .card__icon{
  background:linear-gradient(160deg,#0D2743,#0A2036);color:var(--gold-lt);border-color:var(--navy);
  transform:translateY(-1px);
}
.card:hover .card__icon::after{opacity:1;border-color:rgba(201,162,39,.45)}
.card h3{font-size:18.5px;line-height:1.42;margin-bottom:10px;letter-spacing:-.018em}
.card p{font-size:14.2px;color:var(--muted);line-height:1.82}
.card__tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.card__link{
  display:inline-flex;align-items:center;gap:7px;margin-top:20px;font-size:13px;font-weight:700;
  color:var(--navy);padding-top:14px;border-top:1px solid var(--line-2);width:100%;
  transition:color .25s;
}
.card__link svg{width:14px;height:14px;margin-left:auto;transition:transform .35s var(--ease-out)}
.card:hover .card__link{color:var(--gold-dk)}
.card:hover .card__link svg{transform:translateX(4px)}
.card__period{
  font-size:12.5px;color:var(--muted-2);font-weight:600;margin-top:14px;
  display:flex;align-items:center;gap:6px;letter-spacing:.02em;
}
.card__period svg{width:13px;height:13px;color:var(--gold);flex:0 0 auto}

/* 卡片右上角序号：与服务页场景卡的「大号描边序号」同源，弱化为小号衬线编号 */
.card__no{
  position:absolute;right:26px;top:30px;
  font-family:var(--serif);font-size:11.5px;font-weight:700;letter-spacing:.12em;
  color:var(--gold-dk);opacity:.5;font-variant-numeric:tabular-nums;
  transition:opacity .4s var(--ease),color .4s;
}
.card:hover .card__no{opacity:.95}
.sec--navy .card__no{color:var(--gold-lt);opacity:.55}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;
  padding:4px 11px;border-radius:3px;background:var(--paper-2);color:var(--muted);
  border:1px solid var(--line);white-space:nowrap;letter-spacing:.04em;
}
.tag--gold{background:var(--gold-soft);border-color:var(--gold-line);color:var(--gold-dk)}
.tag--danger{background:var(--danger-soft);border-color:#F3D9D6;color:var(--danger)}
.tag--navy{background:#EFF4F9;border-color:#DCE6F0;color:var(--navy-2)}

/* ==========================================================================
   时间轴（横向）
   ========================================================================== */
.tl{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;padding-top:6px}
.tl::before{
  content:"";position:absolute;left:9%;right:9%;top:35px;height:1px;
  background:linear-gradient(90deg,rgba(201,162,39,0),rgba(201,162,39,.55) 12%,rgba(201,162,39,.55) 88%,rgba(201,162,39,0));
}
.tl__item{position:relative;text-align:center;padding:0 6px}
.tl__body{min-width:0}
.tl__dot{
  position:relative;z-index:2;width:58px;height:58px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:#fff;color:var(--gold-dk);
  border:1px solid var(--gold-line);
  box-shadow:0 0 0 6px var(--paper);
  transition:transform .4s var(--ease-out),background .4s,color .4s,box-shadow .4s;
}
.tl__dot b{font-family:var(--serif);font-size:14.5px;font-weight:700;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.tl__item:hover .tl__dot{
  background:var(--navy);color:var(--gold-lt);border-color:var(--navy);
  transform:translateY(-4px);box-shadow:0 0 0 6px var(--paper),0 14px 24px -14px rgba(6,24,42,.55);
}
/* 图标降为标题前的装饰，编号交给轨道节点，全站「圆圈里放序号」统一 */
.tl__item h4{font-size:16.5px;margin-bottom:8px;letter-spacing:-.008em}
.tl__item p{font-size:13.6px;color:var(--muted);line-height:1.82;max-width:19em;margin:0 auto}
.tl__time{
  display:inline-block;margin-top:12px;font-size:11px;font-weight:700;color:var(--gold-dk);
  background:var(--gold-soft);border:1px solid var(--gold-line);padding:3px 10px;border-radius:3px;
  letter-spacing:.05em;font-family:var(--serif);
}

/* ==========================================================================
   文章卡片
   ========================================================================== */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  background:linear-gradient(180deg,#FFFFFF 0%,#FDFDFC 100%);
  box-shadow:0 1px 1px rgba(6,24,42,.03),0 16px 32px -26px rgba(6,24,42,.28);
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out),border-color .4s;
}
.post:hover{transform:translateY(-5px);box-shadow:0 1px 1px rgba(6,24,42,.03),0 26px 46px -26px rgba(6,24,42,.34);border-color:rgba(201,162,39,.4)}
.post__meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted-2);margin-bottom:18px}
.post__meta time{font-family:var(--serif);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.post h3{font-size:17.5px;line-height:1.55;margin-bottom:12px;transition:color .25s;letter-spacing:-.015em}
.post:hover h3{color:var(--gold-dk)}
.post p{font-size:14px;color:var(--muted);line-height:1.82;flex:1}
.post__foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:22px;padding-top:16px;border-top:1px solid var(--line-2);
}
.post__foot span{font-size:12px;color:var(--muted-2);letter-spacing:.03em}
.post__more{font-size:13px;font-weight:700;color:var(--navy);display:inline-flex;align-items:center;gap:5px}
.post__more svg{width:13px;height:13px;transition:transform .35s var(--ease-out)}
.post:hover .post__more svg{transform:translateX(4px)}

/* ==========================================================================
   优势 / 场景
   ========================================================================== */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv--2{grid-template-columns:repeat(2,1fr);gap:20px}
.adv--3{grid-template-columns:repeat(3,1fr)}
.adv__item{
  position:relative;padding:32px 26px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-xs);
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out),border-color .4s;
  overflow:hidden;
}
.adv__item::after{
  content:"";position:absolute;right:-40px;top:-40px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,162,39,.16),transparent 68%);
  opacity:0;transition:opacity .5s;
}
.adv__item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(201,162,39,.36)}
.adv__item:hover::after{opacity:1}
.adv__icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--navy);color:var(--gold-lt);margin-bottom:20px;
  box-shadow:0 8px 18px -12px rgba(6,24,42,.9);
}
.adv__icon svg{width:21px;height:21px;stroke-width:1.6}
.adv__item h4{font-size:16px;margin-bottom:10px;letter-spacing:-.01em}
.adv__item p{font-size:13.6px;color:var(--muted);line-height:1.82}

.scene{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 26px;overflow:hidden;box-shadow:var(--shadow-xs);
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out),border-color .4s;
}
.scene:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(201,162,39,.36)}
.scene__no{
  font-family:var(--serif);font-size:52px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(6,24,42,.14);
  position:absolute;right:22px;top:16px;letter-spacing:-.02em;
  transition:-webkit-text-stroke-color .4s;
}
.scene:hover .scene__no{-webkit-text-stroke-color:rgba(201,162,39,.55)}
.scene h4{font-size:17px;margin-bottom:11px;position:relative;letter-spacing:-.015em}
.scene p{font-size:14px;color:var(--muted);line-height:1.82;position:relative}
.scene__rec{
  margin-top:18px;padding-top:15px;border-top:1px solid var(--line-2);
  font-size:12.5px;color:var(--navy-2);position:relative;line-height:1.7;
}
.scene__rec b{color:var(--gold-dk);font-weight:700}

/* 深色区块内的卡片 */
.sec--navy .adv__item,.sec--navy .card,.sec--navy .scene{
  background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.11);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  backdrop-filter:none;
}
.sec--navy .adv__item:hover,.sec--navy .card:hover,.sec--navy .scene:hover{
  background:rgba(255,255,255,.075);border-color:rgba(226,198,106,.42);
  box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 24px 44px -28px rgba(0,0,0,.8);
}
.sec--navy .adv__item h4,.sec--navy .card h3{color:#fff}
.sec--navy .adv__item p,.sec--navy .card p{color:#B3C6D7}
.sec--navy .adv__icon{background:rgba(201,162,39,.14);color:var(--gold-lt);box-shadow:none;border:1px solid rgba(201,162,39,.3)}
.sec--navy .card__icon{background:rgba(201,162,39,.12);border-color:rgba(201,162,39,.3);color:var(--gold-lt)}
.sec--navy .card__link{border-top-color:rgba(255,255,255,.12);color:#E4EDF5}
.sec--navy .card:hover .card__link{color:var(--gold-lt)}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  padding:clamp(64px,7vw,104px) 0;
  background:
    radial-gradient(760px 380px at 50% -18%,rgba(201,162,39,.26),transparent 66%),
    linear-gradient(160deg,#0B2742 0%,#06182A 100%);
}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;
  background-image:var(--noise);mix-blend-mode:overlay;
}
.cta::after{
  content:"";position:absolute;left:50%;top:0;width:min(920px,90%);height:1px;transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,rgba(201,162,39,.7),transparent);
}
.cta__in{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta h2{font-size:clamp(24px,2.8vw,36px);color:#fff;margin-bottom:16px;letter-spacing:-.022em}
.cta p{color:#AFC2D4;font-size:15.5px;margin-bottom:32px;line-height:1.85}
.cta__acts{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;margin-bottom:30px}
.cta__tel{
  font-family:var(--serif);font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:.02em;
  color:#fff;display:inline-flex;align-items:center;gap:12px;transition:color .25s;
}
.cta__tel svg{width:24px;height:24px;color:var(--gold);stroke-width:1.7}
.cta__tel:hover{color:var(--gold-lt)}
.cta__meta{
  margin-top:0;font-size:12.5px;color:#7E96AC;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:center;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.09);letter-spacing:.02em;
}
.cta__meta span{display:inline-flex;align-items:center;gap:7px}
.cta__meta svg{width:14px;height:14px;color:rgba(201,162,39,.85);flex:0 0 auto}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-foot{
  position:relative;background:var(--navy-900);color:#93A9BD;font-size:13.5px;
  padding:clamp(56px,6vw,80px) 0 0;overflow:hidden;
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(201,162,39,0),rgba(201,162,39,.65) 30%,rgba(201,162,39,.65) 70%,rgba(201,162,39,0));
}
.foot__grid{display:grid;grid-template-columns:1.5fr .95fr 1.45fr 1fr;gap:40px;padding-bottom:52px;align-items:start}
.foot__brand{display:flex;align-items:center;gap:13px;margin-bottom:20px}
.foot__brand .brand__mark{width:44px;height:44px}
.foot__brand .brand__txt strong{color:#fff}
.foot__brand .brand__txt small{color:#C9A45C}
.foot__desc{font-size:12.5px;line-height:1.95;color:#93A9BD;max-width:340px;text-wrap:balance}
.foot__qr{display:inline-flex;flex-direction:column;align-items:flex-start;margin-top:2px}
.foot__qr img{
  width:120px;height:120px;border-radius:8px;background:#fff;padding:7px;
  border:1px solid rgba(201,162,39,.34);
  box-shadow:0 8px 24px rgba(6,24,42,.34);
  transition:border-color .25s,transform .35s var(--ease-out),box-shadow .35s;
}
.foot__qr:hover img{border-color:rgba(201,162,39,.72);transform:translateY(-2px);box-shadow:0 12px 28px rgba(6,24,42,.42)}
.foot__title{
  position:relative;font-size:12px;font-weight:700;color:#fff;margin-bottom:18px;
  padding-bottom:12px;letter-spacing:.18em;text-transform:uppercase;font-family:var(--serif);
}
.foot__title::after{
  content:"";position:absolute;left:0;bottom:0;width:20px;height:1px;
  background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0));
}
.foot__links{display:flex;flex-direction:column;gap:11px}
.foot__links a{font-size:13px;color:#93A9BD;transition:color .2s,transform .25s var(--ease-out)}
.foot__links a:hover{color:var(--gold-lt);transform:translateX(3px)}
.foot__contact{display:flex;flex-direction:column;gap:13px;font-size:12.8px}
.foot__contact div{display:flex;align-items:flex-start;gap:10px;line-height:1.75}
.foot__contact svg{width:14px;height:14px;flex:0 0 auto;margin-top:3px;color:var(--gold);stroke-width:1.7}
.foot__contact a:hover{color:var(--gold-lt)}
.foot__notice{
  border-top:1px solid rgba(255,255,255,.07);padding:24px 0;font-size:11.5px;color:#7B91A5;
  line-height:1.95;letter-spacing:.01em;
}
.foot__bottom{
  border-top:1px solid rgba(255,255,255,.07);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:11.5px;color:#6B8296;letter-spacing:.02em;
}
.foot__bottom a{color:#8CA3B8;transition:color .2s}
.foot__bottom a:hover{color:var(--gold-lt)}
.foot__links-row{display:flex;flex-wrap:wrap;gap:8px 20px}

/* ==========================================================================
   浮动联系
   ========================================================================== */
.float{position:fixed;right:22px;bottom:28px;z-index:90;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float__qr{position:relative;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.float__panel{
  width:172px;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:9px;
  opacity:0;visibility:hidden;transform:translateY(10px) scale(.97);
  transition:opacity .28s var(--ease),transform .32s var(--ease-out),visibility .28s;
}
.float__panel.is-open{opacity:1;visibility:visible;transform:none}
.float__panel img{display:block;width:100%;height:auto;border-radius:7px}
/* 桌面端：鼠标悬停微信图标自动展开 */
@media (hover:hover) and (pointer:fine){
  .float__qr:hover .float__panel{opacity:1;visibility:visible;transform:none}
}
.float__btn{
  width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);color:var(--navy);
  transition:transform .3s var(--ease-out),background .25s,color .25s,border-color .25s;
}
.float__btn:hover{transform:translateY(-3px);border-color:var(--gold);color:var(--gold-dk)}
.float__btn svg{width:21px;height:21px;stroke-width:1.6}
.float__btn--gold{
  background:linear-gradient(140deg,#E2C66A,#C9A227);border-color:transparent;color:#231A05;
  box-shadow:0 12px 26px -12px rgba(168,134,29,.9);
}
.float__btn--gold:hover{color:#231A05}

/* ==========================================================================
   滚动渐入
   ========================================================================== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ==========================================================================
   服务对照表（首页）
   ========================================================================== */
.cmp{
  margin-top:38px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 1px 1px rgba(6,24,42,.03),0 18px 40px -32px rgba(6,24,42,.3);
  overflow:hidden;
}
.cmp__head{
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  padding:20px 26px 18px;border-bottom:1px solid var(--line-2);
  background:linear-gradient(180deg,#FFF,#FCFCFB);
}
.cmp__head b{font-family:var(--serif);font-size:17px;color:var(--navy);letter-spacing:.02em}
.cmp__head span{font-size:12.5px;color:var(--muted-2)}
.cmp__hint{display:none}
.cmp__scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp table{width:100%;border-collapse:collapse;min-width:700px;font-size:13.5px}
.cmp th,.cmp td{text-align:left;vertical-align:top;padding:14px 18px;border-bottom:1px solid var(--line-2);line-height:1.72}
.cmp thead th{
  font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--muted-2);
  background:#FBFAF7;padding-top:11px;padding-bottom:11px;white-space:nowrap;
}
.cmp tbody th{font-weight:700;color:var(--navy);white-space:nowrap}
.cmp tbody th a{color:inherit;border-bottom:1px solid var(--gold-line);transition:color .2s,border-color .2s}
.cmp tbody th a:hover{color:var(--gold-dk);border-bottom-color:var(--gold)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:hover{background:#FCFCFA}
.cmp td:nth-child(4){white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}
.cmp__note{
  margin:0;padding:12px 26px 16px;font-size:11.5px;line-height:1.7;
  color:var(--muted-2);background:#FBFAF7;border-top:1px solid var(--line-2);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1199px){
  .wrap{padding-left:26px;padding-right:26px}
  .hero__figure{max-width:400px}
  .hero__tags{gap:8px}
  .hero__tags span{
    border-left:0;padding:5px 13px;border-radius:3px;
    background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  }
  .head__in{gap:20px}
  .hero__in{gap:36px}
  .hero h1{font-size:clamp(30px,4.4vw,46px)}
  .grid--4,.adv,.adv--3{grid-template-columns:repeat(2,1fr)}
  .grid--3,.posts{grid-template-columns:repeat(2,1fr)}
  .foot__grid{grid-template-columns:1.15fr 1fr 1fr;row-gap:44px}
  .foot__grid>div:first-child{grid-column:1/-1}
  .tl{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .tl::before{display:none}
}

@media (max-width:1023px){
  :root{--head-h:70px}
  .head__in{display:flex;height:70px;gap:16px;position:relative;z-index:2}
  .brand,.head__cta{position:relative;z-index:3}
  .head__cta{margin-left:auto;justify-self:auto}

  /* 移动端抽屉：从右侧滑入的定宽面板（版式对齐 chengli.net.cn 移动端）。
     ① justify-self:auto / align-self:auto 必须显式重置——桌面版 .nav{justify-self:center}
        会作用到 fixed 元素上，把抽屉压成内容宽并在视口里居中，只剩中间一条窄白条（旧 BUG）；
     ② 抽屉在 .site-head 内部，可以靠 header 的 z-index:100 盖住页面内容，
        但盖不住 topbar——mask 走 99，抽屉走 200，顺序才对。 */
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(400px,88vw);max-width:none;
    justify-self:auto;align-self:auto;margin:0;
    display:flex;flex-direction:column;
    background:#fff;z-index:200;
    padding:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
    visibility:hidden;transform:translateX(102%);
    box-shadow:-20px 0 60px -30px rgba(6,24,42,.6);
    /* visibility 延迟 0s 再隐藏：否则滑出动画还没播完就消失；
       打开时立即 visible，关闭时才等 .34s */
    transition:transform .34s cubic-bezier(.3,.8,.3,1),visibility 0s .34s;
  }
  body.nav-open .nav{
    visibility:visible;transform:none;
    transition:transform .34s cubic-bezier(.3,.8,.3,1),visibility 0s;
  }
  /* 抽屉打开时锁滚动：只写 body{overflow:hidden} 在 Chrome 里锁不住——
     实际滚的是 html（实测 scrollY 仍能从 0 到 400），必须给根元素也加锁 */
  /* 抽屉打开时锁滚动：只写 body{overflow:hidden} 在 Chrome 里锁不住——
     实际滚的是 html（实测 scrollY 仍能从 0 到 400），必须给根元素也加锁 */
  body.nav-open{overflow:hidden}
  html.nav-lock{overflow:hidden}
  html.nav-lock{overflow:hidden}

  /* 抽屉头：与页头同款 logo（略小一档）+ 方块关闭按钮，吸在抽屉顶部 */
  .nav__head{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:2;background:#fff;
    padding:16px 20px;border-bottom:1px solid var(--line-2);
  }
  .nav__head .brand__mark{width:38px;height:38px}
  .nav__head .brand__txt strong{font-size:17px;letter-spacing:1.6px;color:var(--navy)}
  .nav__head .brand__txt small{font-size:8px;letter-spacing:1.3px}
  .nav__close{
    width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);
    transition:background .2s,border-color .2s;
  }
  .nav__close:hover{background:var(--paper);border-color:var(--line-2)}
  .nav__close svg{width:19px;height:19px}

  .nav__list{flex-direction:column;align-items:stretch;gap:0;padding:8px 14px 18px}
  .nav__list>li{border-bottom:1px solid var(--line-2)}
  .nav__list>li:last-child{border-bottom:0}
  .nav__list>li>a{
    position:relative;padding:15px 8px;font-size:16px;font-weight:600;
    color:var(--text);letter-spacing:.005em;
    border:0;border-radius:0;
  }
  .nav__list>li>a::after{display:none}
  .nav__list>li.is-active>a{color:var(--navy);font-weight:700}
  .nav__caret{margin-left:auto;width:17px;height:17px;opacity:.45}
  .nav__list>li.is-open .nav__caret{transform:rotate(180deg);opacity:.85;color:var(--gold-dk)}

  /* 二级菜单：20px 缩进 + 左侧 2px 竖线，展开走高度过渡 */
  .nav__sub{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    min-width:0;display:grid;gap:2px;background:transparent;
    max-height:0;overflow:hidden;padding:0;margin:0;
    transition:max-height .34s var(--ease-out);
  }
  .nav__sub::before,.nav__sub::after{display:none}
  .nav__list>li.is-open .nav__sub{max-height:560px;padding:0 0 12px}
  .nav__sub a{
    padding:10px 8px 10px 20px;font-size:14.5px;font-weight:500;color:var(--muted);
    border-left:2px solid var(--line);border-radius:0;margin-left:6px;
  }
  .nav__sub a:hover{color:var(--navy);background:transparent;border-left-color:var(--gold)}
  .nav__sub a span{display:none}

  /* 抽屉底部：淡底 + 两枚全宽按钮 + 地址，margin-top:auto 推到最下 */
  .nav__foot{
    display:grid;gap:10px;margin-top:auto;
    padding:18px 20px calc(18px + env(safe-area-inset-bottom,0px));
    border-top:1px solid var(--line-2);background:var(--paper);
  }
  /* 底部两枚按钮跟对站一样用全圆角胶囊（顶部电话胶囊同形），方角会显得比页头那枚「矮一档」 */
  .nav__foot .btn{width:100%;height:46px;justify-content:center;font-size:14.5px;border-radius:999px}
  .nav__hqtel{
    display:flex;align-items:center;justify-content:center;gap:7px;
    height:46px;border-radius:999px;border:1px solid var(--line-2);background:#fff;
    font-family:var(--serif);font-size:14.5px;font-weight:700;letter-spacing:.03em;color:var(--navy);
    font-variant-numeric:tabular-nums;
  }
  .nav__hqtel svg{width:15px;height:15px;color:var(--gold);stroke-width:1.9}
  .nav__foot p{margin:2px 0 0;font-size:11.5px;color:var(--muted-2);text-align:center;line-height:1.6}

  /* 页头右侧：与对站同一排——电话胶囊 + 方形汉堡。
     桌面那两个「服务热线 / 北京总部」文字块在平板宽度会把右侧撑到 381px，
     一并收进胶囊，电话入口不丢 */
  .head__cta{gap:8px}
  .head__tels{display:none}
  .head__call{display:inline-flex}
  .burger{display:flex}
  .head__cta .btn{display:none}
  .burger{display:flex}
  .topbar .wrap{justify-content:flex-start;height:34px;gap:0}
  .topbar__note,.topbar__links{display:none}
  .topbar__mini{display:flex;font-size:12px}
  .sec-head--split{grid-template-columns:1fr;gap:22px;align-items:start}
  .sec-head--split .sec-head__main h2{max-width:none}
  .sec-head__aside{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:20px}
  .hero__in{grid-template-columns:1fr;padding-top:52px;padding-bottom:118px}
  .hero__figure{max-width:340px;justify-self:center}
  .hero__chip{left:0;bottom:-14px}
  .hero__tags span{font-size:12.5px;padding:5px 12px}
  .stats{margin-top:-56px}
  .stats__grid{grid-template-columns:repeat(2,1fr);padding:22px 6px}
  .stat{padding:16px 10px;border-right:0}
  .stat:nth-child(odd){border-right:1px solid var(--line-2)}
  .stat:nth-child(n+3){border-top:1px solid var(--line-2)}
  .sec-head h2{font-size:clamp(23px,3.4vw,30px)}
}

@media (max-width:767px){
  :root{--head-h:64px;--sp:56px}
  .wrap{padding-left:20px;padding-right:20px}
  .topbar .wrap{justify-content:flex-start;height:33px}
  .topbar__mini{font-size:11.5px;gap:10px}
  .topbar__mini svg{width:11px;height:11px}
  .head__in{gap:10px;height:64px}
  .brand__mark{width:38px;height:38px}
  .brand__txt{gap:3px}
  .brand__txt strong{font-size:18.5px;letter-spacing:1.6px}
  .brand__txt small{font-size:8px;letter-spacing:1.4px;white-space:nowrap}
  .grid--3,.grid--4,.grid--2,.posts,.adv,.adv--3{grid-template-columns:1fr}
  .hero h1{font-size:30px;line-height:1.24}
  .hero__figure{max-width:none;margin-top:30px}
  .hero__photo{aspect-ratio:1.2/1;border-radius:16px}
  .hero__photo img{transform:scale(1.28);transform-origin:50% 78%}
  .hero__fig-label{left:14px;top:12px;font-size:9px;letter-spacing:.28em}
  .hero__fig-label::before{width:18px}
  .hero__chip{left:12px;bottom:-14px;gap:10px;padding:10px 14px 10px 11px}
  .hero__chip-ic{width:30px;height:30px}
  .hero__chip-ic svg{width:15px;height:15px}
  .hero__chip-tx b{font-size:12.5px}
  .hero__chip-tx i{font-size:9.5px}
  .hero__in{padding-top:40px;padding-bottom:112px}
  .hero__sub{font-size:15px}
  .hero__btns{flex-direction:column;align-items:stretch}
  .hero__btns .btn{width:100%}
  .hero__tags{margin-bottom:26px;gap:8px}
  .hero__tags span{
    font-size:12px;padding:5px 12px;border-left:0;border-radius:3px;
    background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  }
  .hero__tags span:first-child{padding-left:12px}
  .hero__btns .btn{padding:15px 22px;font-size:15.5px}
  .stats{margin-top:-58px}
  .stat__num{font-size:29px}
  .stat__label{font-size:12px;margin-top:7px}
  .sec-head{margin-bottom:32px}
  .sec-head p{font-size:15px}
  .sec-head--center .eyebrow::after{display:none}
  .statement__orn{margin-bottom:20px;gap:13px}
  .statement__orn::before,.statement__orn::after{width:52px}
  .statement__text{font-size:19px;line-height:1.78}
  .statement__sig{font-size:10.5px;letter-spacing:.14em;margin-top:22px}
  .br-pc{display:none}
  .grid{gap:16px}
  .card{padding:24px 20px 20px}
  .card__icon{width:46px;height:46px;border-radius:12px;margin-bottom:18px}
  .card__icon svg{width:22px;height:22px}
  .card h3{font-size:17.5px}
  .card__link{margin-top:18px;padding-top:14px}
  .adv__item{padding:26px 22px}
  .scene{padding:26px 22px}
  .tl{grid-template-columns:1fr;gap:0}
  .tl__item{display:grid;grid-template-columns:58px 1fr;gap:18px;text-align:left;padding:0 0 28px}
  .tl__item:last-child{padding-bottom:0}
  .tl__dot{margin:0}
  .tl__item::before{
    content:"";position:absolute;left:28px;top:58px;bottom:0;width:1px;
    background:linear-gradient(180deg,var(--gold-line),rgba(201,162,39,.1));
  }
  .tl__item:last-child::before{display:none}
  .tl__body{padding-top:6px}
  .tl__time{margin-top:9px}
  .cta__meta{flex-direction:column;gap:11px;align-items:center}
  .cta__tel{font-size:24px}
  .foot__grid{grid-template-columns:1fr;gap:34px}
  .foot__grid>div:last-child{grid-column:auto}
  .foot__bottom{flex-direction:column;align-items:flex-start}
  .float{right:14px;bottom:16px}
  .float__btn{width:46px;height:46px}
  .cmp{margin-top:28px;border-radius:13px}
  .cmp__head{padding:16px 18px 14px;gap:6px;flex-direction:column;align-items:flex-start}
  .cmp__head b{font-size:15.5px}
  .cmp__hint{display:block;font-size:11px;color:var(--gold-dk);letter-spacing:.02em}
  .cmp table{min-width:620px;font-size:12.5px}
  .cmp th,.cmp td{padding:12px 14px}
  .cmp__note{padding:11px 18px 14px}
}

/* 小屏页头：390 以下开始压，320 上仍要保证「logo + 电话 + 汉堡」同排不挤。
   原则与 chengli.net.cn 一致——减左右内边距和字距，不动 40px 的点击高度 */
@media (max-width:479px){
  .head__in{gap:8px}
  .brand{gap:11px}
  .brand__mark{width:34px;height:34px}
  .brand__txt strong{font-size:17px;letter-spacing:1.3px}
  .brand__txt small{font-size:7.5px;letter-spacing:1.1px}
  .head__call{height:40px;padding:0 12px;font-size:13px;gap:5px}
  .head__call svg{width:14px;height:14px}
  .burger{width:40px;height:40px;border-radius:10px}
  .burger>span{width:17px}
}
/* 极窄屏（320）只留电话图标：文字没了，但 40px 的可点区域还在 */
@media (max-width:359px){
  .head__call{padding:0 12px}
  .head__call span{display:none}
}