:root{
  --ink-950:#0c1726;
  --ink-900:#101d30;
  --ink-800:#16283f;
  --ink-700:#1e3a5f;
  --ink-600:#2b4d7a;
  --gold-600:#9a7440;
  --gold-500:#b8945a;
  --gold-400:#c9a86b;
  --gold-300:#e0c89a;
  --gold-200:#efe1c6;
  --gold-100:#f7f0e2;
  --cream:#f8f6f1;
  --paper:#ffffff;
  --line:#e6e1d7;
  --line-soft:#efeae0;
  --text:#26313e;
  --text-2:#5d6875;
  --text-3:#8b939d;
  --green:#3f7d5c;
  --green-bg:#eaf3ee;
  --blue:#3f6d9c;
  --blue-bg:#eaf1f8;
  --shadow-sm:0 1px 4px rgba(16,29,48,.07);
  --shadow-md:0 6px 16px rgba(16,29,48,.09);
  --shadow-lg:0 14px 36px rgba(16,29,48,.13);
  --radius:16px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--text);
  background:var(--cream);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
::selection{background:var(--gold-300);color:var(--ink-900)}

.container{width:min(1180px,100% - 48px);margin-inline:auto}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:flex;align-items:center;gap:10px;
  color:var(--gold-600);
  font-size:13px;letter-spacing:4px;font-weight:600;
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before,.eyebrow::after{display:none}
.eyebrow.light{color:var(--gold-300)}
.diamond{display:none}

.section{padding:96px 0}
section[id]{scroll-margin-top:84px}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-head .eyebrow{justify-content:center}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(26px,3.4vw,38px);
  line-height:1.35;
  color:var(--ink-900);
  letter-spacing:1px;
}
.section-sub{margin-top:16px;color:var(--text-2);font-size:16px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:1px;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
  border:1px solid transparent;
}
.btn-sm{padding:9px 22px;font-size:14px}
.btn-gold{
  background:var(--gold-600);
  color:#fff;
}
.btn-gold:hover{background:var(--gold-500)}
.btn-ghost{
  color:#e9eef5;border-color:rgba(233,238,245,.35);
  background:rgba(255,255,255,.04);
}
.btn-ghost:hover{background:rgba(255,255,255,.10)}
.btn-outline{
  color:var(--ink-700);border-color:var(--gold-500);
  background:transparent;
}
.btn-outline:hover{background:var(--gold-100)}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--gold-500);outline-offset:3px;border-radius:4px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s ease,box-shadow .3s ease;
  color:#fff;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  box-shadow:0 4px 20px rgba(16,29,48,.08);
  color:var(--ink-900);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{
  width:44px;height:44px;border-radius:12px;
  background:#fff;display:grid;place-items:center;overflow:hidden;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(201,168,107,.35);
}
.brand-logo img{
  width:100%;height:100%;object-fit:contain;display:block;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;letter-spacing:1px;font-family:var(--serif)}
.brand-text small{font-size:11px;letter-spacing:2.5px;color:var(--gold-500);margin-top:2px}
.main-nav{display:flex;gap:30px}
.main-nav a{
  font-size:14.5px;letter-spacing:.5px;color:inherit;opacity:.9;
  position:relative;padding:6px 0;transition:opacity .2s;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;
  background:var(--gold-500);transition:all .25s ease;transform:translateX(-50%);
}
.main-nav a:hover{opacity:1}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--gold-500);opacity:1}
.main-nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;background:none;border:none;color:inherit;padding:6px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  background:linear-gradient(160deg,var(--ink-950) 0%,var(--ink-800) 100%);
  color:#fff;
  padding:172px 0 150px;
  overflow-x:clip;
  overflow-y:visible;
  z-index:6;
}
.hero-bg{display:none}
.orb{position:absolute;border-radius:50%;filter:blur(2px)}
.orb-1{width:420px;height:420px;right:-120px;top:-120px;background:radial-gradient(circle,rgba(201,168,107,.28),transparent 65%)}
.orb-2{width:340px;height:340px;left:-140px;bottom:-120px;background:radial-gradient(circle,rgba(43,77,122,.55),transparent 65%)}
.ring{position:absolute;border:1px solid rgba(224,200,154,.16);border-radius:50%}
.ring-lg{width:760px;height:760px;right:-260px;top:-160px}
.ring-sm{width:420px;height:420px;right:-40px;top:120px;border-color:rgba(224,200,154,.10)}
.hero-grid{
  position:relative;z-index:2;
}
.hero-copy{position:relative;z-index:3;max-width:660px}
.hero-copy h1{
  font-family:var(--serif);
  font-size:clamp(34px,4.6vw,54px);
  line-height:1.28;letter-spacing:2px;
  font-weight:700;
  margin-bottom:24px;
}
.hero-lead{
  color:#c8d2de;font-size:16.5px;max-width:540px;margin-bottom:36px;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-trust{display:flex;flex-direction:column;gap:10px}
.hero-trust li{display:flex;align-items:center;gap:10px;color:#9fb0c5;font-size:14px;letter-spacing:.5px}
.hero-trust svg{color:var(--gold-400);flex-shrink:0}

/* 首屏软件界面：融入背景 */
.hero-visual{
  position:absolute;top:55%;left:min(700px,60vw);z-index:1;
  transform:translateY(calc(-50% + 50px));
  width:min(1150px,76vw);
  pointer-events:none;
}
.hero-visual::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent 52%,rgba(16,29,48,.42) 72%,rgba(16,29,48,.9) 94%,rgba(16,29,48,.98) 100%);
}
.hero-shot{
  width:100%;height:auto;display:block;
  border-radius:14px;
  border:1px solid rgba(201,168,107,.30);
  box-shadow:0 18px 40px rgba(4,10,20,.35);
}

/* ---------- 数字条 ---------- */
.stats-band{
  position:relative;z-index:5;
  background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:-1px;
}
.stat{
  display:flex;align-items:center;gap:20px;
  padding:40px 36px;
  border-left:1px solid var(--line-soft);
}
.stat:first-child{border-left:none}
.stat b{
  font-family:var(--serif);font-size:52px;line-height:1;
  color:var(--gold-600);
  white-space:nowrap;
}
.stat span{font-size:14px;color:var(--text-2);line-height:1.7;letter-spacing:.5px}

/* ---------- 痛点 ---------- */
.section-pain{background:var(--cream)}
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pain-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:32px 26px;position:relative;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.pain-card:hover{box-shadow:var(--shadow-md)}
.pain-icon{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:var(--gold-100);color:var(--gold-600);
  margin-bottom:20px;
}
.pain-card h3{font-family:var(--serif);font-size:19px;color:var(--ink-900);margin-bottom:10px;letter-spacing:.5px}
.pain-card p{font-size:14px;color:var(--text-2)}
.pain-solution{
  margin-top:44px;text-align:center;
  font-family:var(--serif);font-size:19px;color:var(--ink-800);letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
}

/* ---------- 核心流程 ---------- */
.section-flow{
  background:linear-gradient(180deg,#fff 0%,#fbf9f4 100%);
}
.flow-steps{
  display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
  position:relative;counter-reset:step;
}
.flow-steps::before{
  content:"";position:absolute;left:8%;right:8%;top:44px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold-400) 12%,var(--gold-400) 88%,transparent);
}
.flow-steps li{
  position:relative;text-align:center;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:0 18px 26px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.flow-steps li:hover{box-shadow:var(--shadow-md)}
.step-icon{
  position:relative;z-index:2;
  width:88px;height:88px;margin:-34px auto 14px;
  display:grid;place-items:center;
  border-radius:50%;
  background:#faf6ec;
  border:1px solid var(--gold-400);
  color:var(--gold-600);
}
.step-no{
  position:absolute;top:10px;right:14px;
  font-family:var(--serif);font-size:12px;letter-spacing:1px;color:var(--gold-500);
}
.step-role{
  display:inline-block;font-size:10.5px;letter-spacing:1px;color:var(--gold-600);
  background:var(--gold-100);border:1px solid var(--gold-200);
  padding:2px 11px;border-radius:6px;margin-bottom:8px;
}
.flow-steps h3{font-family:var(--serif);font-size:17px;color:var(--ink-900);margin-bottom:8px;letter-spacing:.5px}
.flow-steps p{font-size:12.5px;color:var(--text-2);line-height:1.7}
.flow-note{
  max-width:760px;margin:44px auto 0;text-align:center;
  font-size:14px;color:var(--ink-800);line-height:1.9;letter-spacing:.3px;
  background:var(--gold-100);border:1px solid var(--gold-200);border-radius:12px;
  padding:16px 24px;
}

/* ---------- 规范与效率 ---------- */
.section-norm{background:#fff}
.norm-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.norm-card{
  background:var(--cream);border:1px solid var(--line);border-radius:20px;
  padding:36px 34px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.norm-card:hover{box-shadow:var(--shadow-md)}
.norm-card h3{
  display:flex;align-items:center;gap:12px;
  font-family:var(--serif);font-size:21px;color:var(--ink-900);
  letter-spacing:1px;margin-bottom:22px;
}
.norm-card h3 svg{color:var(--gold-500);flex-shrink:0}
.norm-card ul{display:flex;flex-direction:column;gap:13px}
.norm-card ul li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.norm-card ul li::before{
  content:"";flex-shrink:0;width:17px;height:17px;margin-top:4px;
  background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23b8945a" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="m5 12 5 5 9-11"/></svg>') center/contain no-repeat;
}

/* ---------- 功能亮点 ---------- */
.section-features{background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:30px 26px;background:#fff;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.feature-card:hover{box-shadow:var(--shadow-md);border-color:var(--gold-300)}
.f-icon{
  width:52px;height:52px;border-radius:13px;display:grid;place-items:center;
  color:var(--ink-700);background:#eef2f7;
  margin-bottom:18px;transition:background .25s ease,color .25s ease;
}
.feature-card:hover .f-icon{background:var(--gold-200);color:var(--gold-600)}
.feature-card h3{font-family:var(--serif);font-size:18px;color:var(--ink-900);margin-bottom:10px;letter-spacing:.5px}
.feature-card p{font-size:13.5px;color:var(--text-2)}

/* ---------- 产品界面 ---------- */
.section-screens{background:var(--cream)}
.shot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.shot{position:relative}
.shot-frame{
  position:relative;border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-md);
  border:1px solid var(--line);
  background:#fff;
}
.shot-bar{
  display:flex;align-items:center;gap:10px;
  padding:9px 14px;
  background:#fbfcfd;border-bottom:1px solid var(--line-soft);
  font-size:12px;color:var(--text-3);letter-spacing:.5px;
}
.bar-dots{display:flex;gap:5px}
.bar-dots i{width:8px;height:8px;border-radius:50%;background:#e2ddd2}
.bar-dots i:nth-child(1){background:#e3a79b}
.bar-dots i:nth-child(2){background:#e0c084}
.bar-dots i:nth-child(3){background:#93c3a4}
.shot-frame::before{
  content:"";position:absolute;top:44px;left:10px;right:10px;bottom:10px;
  border:1px solid rgba(184,148,90,.34);
  border-radius:6px;pointer-events:none;z-index:2;
}
.shot-frame img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.shot figcaption{padding:20px 6px 0}
.shot figcaption h3{
  font-family:var(--serif);font-size:19px;color:var(--ink-900);
  margin-bottom:6px;letter-spacing:.5px;
  display:flex;align-items:center;gap:10px;
}
.shot figcaption h3::before{content:"";width:18px;height:1px;background:var(--gold-500)}
.shot figcaption p{font-size:13.5px;color:var(--text-2)}
.shot-note{text-align:center;margin-top:36px;font-size:13px;color:var(--text-3)}

/* ---------- 角色价值 ---------- */
.section-roles{
  background:linear-gradient(160deg,var(--ink-900) 0%,var(--ink-800) 60%,var(--ink-700) 100%);
  color:#fff;
  position:relative;overflow:hidden;
}
.section-roles::before{display:none}
.section-roles .section-head h2{color:#fff}
.section-roles .section-sub{color:#aebccd}
.role-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.role-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:34px 28px;
  backdrop-filter:blur(4px);
  transition:transform .3s ease,background .3s ease;
}
.role-card:hover{background:rgba(255,255,255,.09)}
.role-tag{
  display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--gold-300);
  padding:5px 14px;border:1px solid rgba(201,168,107,.45);border-radius:6px;
  margin-bottom:18px;
}
.role-card p{font-size:14px;color:#c8d2de;line-height:1.9}

/* ---------- 适用场景 ---------- */
.section-scenarios{background:#fff}
.scenario-chips{
  display:flex;flex-wrap:wrap;justify-content:center;gap:16px;
  max-width:900px;margin:0 auto;
}
.scenario-chips li{
  display:flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:10px;
  background:var(--cream);border:1px solid var(--line);
  color:var(--ink-800);font-size:15px;letter-spacing:.5px;
  transition:all .3s ease;
}
.scenario-chips li svg{color:var(--gold-500)}
.scenario-chips li:hover{background:var(--gold-100);border-color:var(--gold-400)}

/* ---------- 服务保障 ---------- */
.section-services{background:var(--cream)}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:34px 26px;text-align:center;
  transition:transform .3s ease,box-shadow .3s ease;
}
.service-card:hover{box-shadow:var(--shadow-md)}
.s-icon{
  width:60px;height:60px;margin:0 auto 20px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--gold-100);
  color:var(--gold-600);
}
.service-card h3{font-family:var(--serif);font-size:18px;color:var(--ink-900);margin-bottom:10px}
.service-card p{font-size:13.5px;color:var(--text-2)}

/* ---------- 常见问题 ---------- */
.section-faq{background:#fff}
.faq-wrap{max-width:860px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line-soft);border-radius:14px;
  overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item[open]{border-color:var(--gold-300);box-shadow:var(--shadow-sm)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--ink-900);letter-spacing:.5px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--gold-600)}
.faq-item summary svg{flex-shrink:0;color:var(--gold-500);transition:transform .3s ease}
.faq-item[open] summary svg{transform:rotate(180deg)}
.faq-body{padding:0 26px 24px;color:var(--text-2);font-size:14.5px;max-width:760px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:#8fa2b8;padding:60px 0 0}
.footer-inner{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap;padding-bottom:44px}
.footer-brand{max-width:400px}
.footer-brand .brand{color:#fff;margin-bottom:18px}
.footer-brand .brand-text small{color:var(--gold-500)}
.footer-brand p{font-size:13.5px;line-height:1.9}
.footer-nav{display:flex;flex-wrap:wrap;gap:10px 28px;align-content:flex-start}
.footer-nav a,.footer-nav button{
  font-size:14px;letter-spacing:.5px;transition:color .25s;
}
.footer-nav button{background:none;border:none;color:inherit;font-family:inherit;cursor:pointer;padding:0}
.footer-nav a:hover,.footer-nav button:hover{color:var(--gold-300)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:#6c7e93;
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;left:50%;bottom:28px;z-index:90;
  width:46px;height:46px;border-radius:50%;border:none;
  background:var(--gold-600);
  color:#fff;display:grid;place-items:center;
  opacity:0;transform:translate(-50%,16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.back-top.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.back-top:hover{background:var(--gold-500)}

/* ---------- 右下角客服二维码 ---------- */
.qr-float{
  position:fixed;right:28px;bottom:176px;z-index:110;
  width:134px;background:#fff;border-radius:14px;
  border:1px solid var(--gold-300);
  box-shadow:0 16px 38px rgba(16,29,48,.20);
  padding:12px 12px 11px;text-align:center;
  transition:opacity .3s ease,transform .3s ease;
}
.qr-float img{
  width:106px;height:106px;margin:0 auto 8px;display:block;
  border:1px solid var(--line-soft);border-radius:8px;padding:4px;background:#fff;
}
.qr-float span{display:block;font-size:13px;font-weight:600;color:var(--ink-900);letter-spacing:1px}
.qr-float small{display:block;font-size:10.5px;color:var(--text-3);margin-top:2px}
.qr-close{
  position:absolute;top:6px;right:6px;width:20px;height:20px;
  border:none;border-radius:6px;background:var(--cream);color:var(--text-3);
  display:grid;place-items:center;transition:background .2s,color .2s;
}
.qr-close:hover{background:var(--gold-200);color:var(--gold-600)}
.qr-float.hidden{opacity:0;transform:translateY(10px) scale(.96);pointer-events:none}

/* ---------- 右下角联系我们 ---------- */
.contact-widget{position:fixed;right:28px;bottom:96px;z-index:120}
.cw-open{
  width:62px;height:62px;border-radius:50%;border:none;
  background:var(--ink-800);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  box-shadow:inset 0 0 0 1px rgba(201,168,107,.35);
  transition:background .25s ease;
  position:relative;
}
.cw-open::before{display:none}
.cw-open svg{color:var(--gold-300)}
.cw-open span{font-size:10.5px;letter-spacing:1.5px;color:var(--gold-200)}
.cw-open:hover{background:var(--ink-700)}
.cw-panel{
  position:absolute;right:0;bottom:76px;
  width:384px;max-height:min(600px,calc(100vh - 120px));
  background:#fff;border-radius:18px;overflow:hidden;
  box-shadow:0 30px 70px rgba(16,29,48,.28);
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  opacity:0;transform:translateY(14px) scale(.98);pointer-events:none;
  transition:opacity .28s ease,transform .28s ease;
}
.contact-widget.open .cw-panel{opacity:1;transform:none;pointer-events:auto}
.cw-head{
  flex-shrink:0;padding:16px 18px;
  background:var(--ink-800);
  color:#fff;display:flex;align-items:center;justify-content:space-between;
}
.cw-head b{font-family:var(--serif);font-size:16px;letter-spacing:1px;display:block}
.cw-head small{font-size:11px;color:#aebccd;letter-spacing:.5px}
.cw-close{
  width:30px;height:30px;border-radius:8px;border:none;
  background:rgba(255,255,255,.1);color:#cfd8e4;
  display:grid;place-items:center;transition:background .2s;
}
.cw-close:hover{background:rgba(255,255,255,.2)}
.cw-tabs{flex-shrink:0;display:flex;border-bottom:1px solid var(--line-soft);background:#fbfaf7}
.cw-tab{
  flex:1;padding:12px 0;border:none;background:none;
  font-size:13.5px;color:var(--text-2);letter-spacing:1px;position:relative;
  transition:color .2s;
}
.cw-tab.on{color:var(--ink-800);font-weight:600}
.cw-tab.on::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-1px;
  width:44px;height:2px;background:var(--gold-500);border-radius:2px;
}
.cw-body{flex:1;min-height:0;display:flex;flex-direction:column}
.cw-pane{display:none;flex:1;min-height:0}
.cw-pane.on{display:flex;flex-direction:column}

/* 微信客服页 */
.cw-qr{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:11px;padding:30px 24px;text-align:center;background:var(--cream);
}
.cw-qr img{
  width:198px;height:auto;background:#fff;
  border:1px solid var(--line);border-radius:14px;padding:10px;
  box-shadow:var(--shadow-sm);
}
.cw-qr b{font-family:var(--serif);font-size:15px;color:var(--ink-900);letter-spacing:1px}
.cw-qr span{font-size:12px;color:var(--text-3)}

/* AI 客服页 */
.chat-log{flex:1;overflow-y:auto;padding:16px 16px 6px;display:flex;flex-direction:column;gap:12px;background:var(--cream)}
.msg{max-width:82%;padding:10px 13px;border-radius:12px;font-size:13.5px;line-height:1.75;white-space:pre-wrap;word-break:break-word}
.msg.bot{
  align-self:flex-start;background:#fff;color:var(--text);
  border:1px solid var(--line-soft);border-bottom-left-radius:4px;
  box-shadow:var(--shadow-sm);
}
.msg.user{
  align-self:flex-end;background:linear-gradient(135deg,var(--ink-700),var(--ink-800));
  color:#fff;border-bottom-right-radius:4px;
}
.msg.offline{background:#fdf3e3;color:#8a6420;border-color:#f0ddb8}
.msg.typing{display:flex;align-items:center;gap:5px;padding:13px 16px}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--gold-500);animation:typing 1.2s infinite}
.msg.typing i:nth-child(2){animation-delay:.18s}
.msg.typing i:nth-child(3){animation-delay:.36s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}
.chat-quick{
  flex-shrink:0;display:flex;gap:8px;flex-wrap:wrap;
  padding:10px 16px;background:#fff;border-top:1px solid var(--line-soft);
}
.chat-quick button{
  font-size:11.5px;color:var(--ink-700);background:var(--gold-100);
  border:1px solid var(--gold-200);border-radius:8px;padding:5px 12px;
  transition:all .2s;
}
.chat-quick button:hover{background:var(--gold-200)}
.chat-input-row{
  flex-shrink:0;display:flex;gap:8px;align-items:center;
  padding:12px 14px;background:#fff;border-top:1px solid var(--line-soft);
}
.chat-input-row input{
  flex:1;min-width:0;height:38px;border:1px solid var(--line);border-radius:10px;
  padding:0 13px;font-size:13.5px;color:var(--text);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.chat-input-row input:focus{border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(184,148,90,.15)}
.chat-input-row button{
  width:40px;height:38px;flex-shrink:0;border:none;border-radius:10px;
  background:var(--gold-600);color:#fff;
  display:grid;place-items:center;transition:background .2s;
}
.chat-input-row button:hover{background:var(--gold-500)}
.chat-input-row button:disabled{opacity:.5;transform:none;box-shadow:none}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transition:opacity .5s ease}
.reveal.in{opacity:1}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-copy{max-width:680px}
  .hero-visual{
    position:relative;top:auto;right:auto;transform:none;
    width:100%;margin-top:52px;pointer-events:auto;z-index:1;
  }
}
@media (min-width:1201px){
  .hero{padding-bottom:250px}
}
@media (max-width:1024px){
  .flow-steps{grid-template-columns:repeat(3,1fr);row-gap:54px}
  .flow-steps::before{display:none}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .norm-grid{grid-template-columns:1fr}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .role-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:none;border-top:1px solid var(--line-soft)}
  .stat:nth-child(4){border-top:1px solid var(--line-soft)}
}
@media (max-width:820px){
  .main-nav{
    position:fixed;top:72px;right:0;left:0;
    flex-direction:column;gap:0;
    background:rgba(255,255,255,.98);color:var(--ink-900);
    box-shadow:0 20px 40px rgba(16,29,48,.14);
    padding:14px 24px;display:none;
    border-top:1px solid var(--line-soft);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 4px;border-bottom:1px solid var(--line-soft)}
  .nav-toggle{display:block}
  .site-header:not(.scrolled) .nav-toggle{color:#fff}
}
@media (max-width:640px){
  .qr-float{right:16px;bottom:166px;width:116px;padding:10px 10px 9px}
  .qr-float img{width:92px;height:92px}
  .contact-widget{right:16px;bottom:84px}
  .cw-panel{position:fixed;right:12px;left:12px;bottom:0;width:auto;max-height:72vh;border-radius:18px 18px 0 0}
  .container{width:min(1180px,100% - 36px)}
  .section{padding:72px 0}
  .hero{padding:136px 0 84px}
  .hero-grid{gap:56px}
  .hero-trust{display:none}
  .header-inner{gap:10px}
  .brand{flex:1;min-width:0;gap:9px}
  .brand-logo{width:38px;height:38px;border-radius:10px}
  .brand-text{min-width:0;overflow:hidden}
  .brand-text strong{
    font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;
  }
  .brand-text small{display:none}
  .header-actions{flex-shrink:0;gap:8px}
  .header-actions .btn{flex-shrink:0;white-space:nowrap;padding:8px 13px;font-size:13px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:28px 22px;gap:14px}
  .stat b{font-size:40px}
  .stat span{font-size:12.5px}
  .pain-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr 1fr;row-gap:52px}
  .feature-grid{grid-template-columns:1fr}
  .shot-grid{grid-template-columns:1fr}
  .role-grid{grid-template-columns:1fr}
  .service-grid{grid-template-columns:1fr}
  .scenario-chips li{width:100%;justify-content:center}
  .hero-cta .btn{width:100%}
  .footer-inner{flex-direction:column}
  .footer-bottom{flex-direction:column}
}
@media (max-width:400px){
  .container{width:min(1180px,100% - 20px)}
  .brand-logo{width:34px;height:34px;border-radius:9px}
  .brand-text strong{font-size:14px}
  .header-actions .btn{padding:7px 11px;font-size:12.5px}
}

/* ============ 多页面改造 ============ */

/* 子页面顶部横幅 */
.page-hero{
  position:relative;
  background:linear-gradient(160deg,var(--ink-950) 0%,var(--ink-800) 100%);
  color:#fff;
  padding:150px 0 86px;
  overflow:hidden;
}
.page-hero .container{position:relative;z-index:2;max-width:820px;text-align:center}
.page-hero .eyebrow{justify-content:center}
.page-hero h1{
  font-family:var(--serif);
  font-size:clamp(28px,3.8vw,44px);
  line-height:1.35;letter-spacing:2px;font-weight:700;
  margin-bottom:16px;
}
.page-hero .hero-lead{color:#c8d2de;font-size:16px;max-width:680px;margin:0 auto}
.page-crumb{
  font-size:12px;letter-spacing:2.5px;color:#8fa2b8;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.page-crumb a{color:var(--gold-300);transition:color .2s}
.page-crumb a:hover{color:var(--gold-100)}

/* 首页亮点卡片 */
.home-highlights{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hl-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.hl-card:hover{box-shadow:var(--shadow-md);border-color:var(--gold-300)}
.hl-card .f-icon{margin-bottom:16px}
.hl-card h3{font-family:var(--serif);font-size:17px;color:var(--ink-900);margin-bottom:8px;letter-spacing:.5px}
.hl-card p{font-size:13px;color:var(--text-2);flex:1}
.hl-link{
  margin-top:18px;font-size:13px;font-weight:600;color:var(--gold-600);
  display:inline-flex;align-items:center;gap:6px;
}
.hl-link::after{content:"→";transition:transform .25s ease}
.hl-card:hover .hl-link::after{transform:translateX(4px)}

/* 首页紧凑流程 */
.home-flow{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.home-flow a{
  position:relative;background:#fff;border:1px solid var(--line-soft);border-radius:14px;
  padding:24px 16px 20px;text-align:center;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.home-flow a:hover{box-shadow:var(--shadow-md);border-color:var(--gold-300)}
.home-flow .step-no{
  position:absolute;top:10px;right:12px;
  font-family:var(--serif);font-size:11px;letter-spacing:1px;color:var(--gold-500);
}
.home-flow .flow-dot{
  width:34px;height:34px;margin:0 auto 10px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--gold-100),var(--gold-200));
  color:var(--gold-600);font-family:var(--serif);font-size:13px;font-weight:600;
}
.home-flow h3{font-family:var(--serif);font-size:15px;color:var(--ink-900);margin-bottom:5px;letter-spacing:.5px}
.home-flow p{font-size:11.5px;color:var(--text-3);line-height:1.6}
.home-flow small{
  display:inline-block;margin-top:8px;font-size:10px;letter-spacing:1px;
  color:var(--gold-600);background:var(--gold-100);border:1px solid var(--gold-200);
  padding:2px 9px;border-radius:99px;
}

/* 行动号召区 */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--ink-900) 0%,var(--ink-700) 100%);
  border-radius:24px;color:#fff;text-align:center;
  padding:58px 48px;box-shadow:var(--shadow-lg);
}
.cta-band::before{display:none}
.cta-band::after{display:none}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{
  font-family:var(--serif);font-size:clamp(22px,3vw,32px);
  letter-spacing:2px;margin-bottom:14px;
}
.cta-band p{color:#c8d2de;font-size:15px;max-width:620px;margin:0 auto 30px}
.cta-band .hero-cta{justify-content:center;margin-bottom:0}

.feature-card[id]{scroll-margin-top:100px}

/* 多页面响应式 */
@media (max-width:1024px){
  .home-highlights{grid-template-columns:repeat(2,1fr)}
  .home-flow{grid-template-columns:repeat(3,1fr);row-gap:16px}
}
@media (max-width:640px){
  .page-hero{padding:124px 0 62px}
  .home-highlights{grid-template-columns:1fr}
  .home-flow{grid-template-columns:1fr 1fr;row-gap:14px}
  .cta-band{padding:42px 22px}
  .cta-band .hero-cta .btn{width:100%}
}