/* ============================================================
   style.css — 纯黑全息科技风 · 全站统一设计系统
   配色：纯黑底 #05070D + 霓虹青 #00E5FF / 蓝 #2E6BFF / 紫 #7B5BFF
   ============================================================ */

:root{
  --bg:#05070D;
  --bg-2:#080C16;
  --panel:rgba(14,20,36,.62);
  --panel-2:rgba(18,26,46,.78);
  --line:rgba(0,229,255,.14);
  --line-strong:rgba(0,229,255,.34);
  --cyan:#00E5FF;
  --blue:#2E6BFF;
  --purple:#7B5BFF;
  --txt:#E7F0FF;
  --txt-2:#9FB2D4;
  --txt-3:#6C7E9E;
  --gold:#FFD166;
  --r:14px;
  --r-sm:10px;
  --r-lg:22px;
  --grad:linear-gradient(120deg,#00E5FF 0%,#2E6BFF 48%,#7B5BFF 100%);
  --glow-cyan:0 0 22px rgba(0,229,255,.45);
  --glow-blue:0 0 22px rgba(46,107,255,.45);
  --shadow:0 18px 50px -18px rgba(0,0,0,.8);
  --maxw:1200px;
  --nav-h:70px;
  font-synthesis:none;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  letter-spacing:.2px;
}
/* 全息环境：网格 + 双色光晕 + 扫描线 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(620px 620px at 12% -8%,rgba(46,107,255,.20),transparent 60%),
    radial-gradient(560px 560px at 92% 8%,rgba(0,229,255,.16),transparent 60%),
    radial-gradient(700px 700px at 60% 110%,rgba(123,91,255,.16),transparent 62%),
    var(--bg);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,255,.05) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  opacity:.6;
  animation:gridFloat 24s linear infinite;
}
@keyframes gridFloat{from{background-position:0 0,0 0}to{background-position:46px 46px,46px 46px}}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
svg{display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- 文字 / 标题 ---------- */
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:.5px}
.section-tag{
  display:inline-block;font-size:13px;letter-spacing:3px;text-transform:uppercase;
  color:var(--cyan);font-weight:700;margin-bottom:14px;position:relative;padding-left:18px;
}
.section-tag::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow-cyan)}
.section-title{font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--txt);margin-bottom:14px}
.section-title .hl,.hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(0,229,255,.35));
}
.section-subtitle{color:var(--txt-2);font-size:16px;max-width:640px;margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:.28s cubic-bezier(.2,.7,.3,1);position:relative;white-space:nowrap;
  background:rgba(255,255,255,.04);color:var(--txt);border-color:var(--line);
}
.btn:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.btn-primary{
  background:var(--grad);color:#04101f;border:none;font-weight:800;
  box-shadow:0 10px 30px -8px rgba(0,229,255,.6);
}
.btn-primary:hover{box-shadow:0 14px 40px -6px rgba(0,229,255,.85);transform:translateY(-3px) scale(1.02)}
.btn-outline{border-color:var(--line-strong);color:var(--cyan);background:rgba(0,229,255,.04)}
.btn-outline:hover{background:rgba(0,229,255,.12);box-shadow:var(--glow-cyan)}
.btn-outline-dark{border-color:var(--line);color:var(--txt-2)}
.btn-outline-dark:hover{color:var(--txt);border-color:var(--line-strong)}
.btn .arr{transition:.28s}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.navbar{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:1000;
  display:flex;align-items:center;
  background:rgba(5,8,15,.55);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.05);transition:.3s;
}
.navbar.scrolled{background:rgba(5,8,15,.86);box-shadow:0 8px 30px -12px rgba(0,0,0,.9);border-bottom-color:var(--line)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--txt);letter-spacing:.3px}
.logo-icon{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#04101f;
  background:var(--grad);box-shadow:var(--glow-blue);flex:none;
}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu li{list-style:none}
.nav-menu a{
  display:inline-block;padding:9px 15px;border-radius:9px;font-size:15px;color:var(--txt-2);
  transition:.22s;position:relative;
}
.nav-menu a:hover{color:var(--txt);background:rgba(0,229,255,.07)}
.nav-menu a.active{color:var(--cyan);background:rgba(0,229,255,.10);box-shadow:inset 0 0 0 1px var(--line)}
#navAuth{display:flex;align-items:center;gap:8px;margin-left:6px}
.nav-login{color:var(--txt-2)!important}
.nav-register{padding:9px 18px!important;font-size:14px!important}
.nav-user{display:flex;align-items:center;gap:7px;color:var(--cyan)!important;font-weight:700}
.nav-user-ico{width:22px;height:22px;border-radius:50%;background:var(--grad);box-shadow:var(--glow-cyan)}
.nav-logout{color:var(--txt-3)!important;font-size:14px}
/* 导航「进入商城」按钮 */
.nav-mall{list-style:none;margin-left:6px}
.nav-mall-btn{padding:9px 16px!important;font-size:14px!important;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* ---------- Hero（首页） ---------- */
.hero{position:relative;padding:calc(var(--nav-h) + 70px) 0 80px;overflow:hidden}
.hero-bg-grid{
  position:absolute;inset:0;z-index:0;
  background:radial-gradient(800px 500px at 70% 30%,rgba(46,107,255,.18),transparent 70%);
}
.hero-bg-grid::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,rgba(0,229,255,.06) 0 1px,transparent 1px 4px);
  opacity:.4;mix-blend-mode:screen;animation:scan 8s linear infinite;
}
@keyframes scan{from{background-position:0 0}to{background-position:0 200px}}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--cyan);font-weight:600;
  padding:7px 16px;border-radius:999px;background:rgba(0,229,255,.07);border:1px solid var(--line);margin-bottom:22px;
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow-cyan);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.hero h1{font-size:clamp(32px,4.6vw,56px);font-weight:900;letter-spacing:1px;line-height:1.18}
.hero h1 .grad{
  display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(0,229,255,.4));margin-top:8px;
}
.hero-content p{margin:24px 0 32px;color:var(--txt-2);font-size:17px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* Hero 可视化 */
.hero-visual{position:relative;height:420px;border-radius:var(--r-lg);
  background:radial-gradient(circle at 50% 40%,rgba(0,229,255,.07),transparent 70%);
  border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
.hero-visual svg{position:absolute;inset:0;width:100%;height:100%}
.viz-line{stroke-dasharray:6 7;animation:flow 3s linear infinite}
@keyframes flow{to{stroke-dashoffset:-52}}
.viz-label{position:absolute;font-size:12px;color:var(--txt-2);background:rgba(5,8,15,.7);
  padding:3px 10px;border-radius:999px;border:1px solid var(--line)}
.viz-stat{position:absolute;background:rgba(8,12,22,.82);border:1px solid var(--line-strong);
  border-radius:12px;padding:10px 14px;backdrop-filter:blur(8px);box-shadow:var(--glow-cyan)}
.vs-num{font-size:22px;font-weight:800;color:var(--cyan);font-variant-numeric:tabular-nums;
  text-shadow:var(--glow-cyan)}
.vs-num .u{font-size:14px;color:var(--txt-2);margin-left:2px}
.vs-label{font-size:11px;color:var(--txt-3);letter-spacing:1px}

/* ---------- 信任背书条 ---------- */
.trust-bar{padding:0 0 30px;position:relative;z-index:2}
.trust-bar .container{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.trust-item{
  display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--txt);
  padding:12px 22px;border-radius:999px;background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(10px);transition:.3s;
}
.trust-item:hover{border-color:var(--line-strong);box-shadow:var(--glow-cyan);transform:translateY(-3px)}
.ti-ico{color:var(--cyan);display:grid;place-items:center}

/* ---------- 通用区块 ---------- */
.section{padding:90px 0;position:relative}
.bg-light{background:linear-gradient(180deg,rgba(10,15,28,.5),rgba(8,12,22,.5));
  border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.fade-in{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.fade-in.visible{opacity:1;transform:none}

/* ---------- 平台优势 ---------- */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.feature-card{
  position:relative;padding:30px 26px;border-radius:var(--r);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(12px);transition:.32s;overflow:hidden;
}
.feature-card::before{content:"";position:absolute;inset:0;border-radius:var(--r);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.32s}
.feature-card:hover{transform:translateY(-8px);box-shadow:0 24px 50px -22px rgba(0,229,255,.5)}
.feature-card:hover::before{opacity:.9}
.feature-icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid var(--line);margin-bottom:18px;
  box-shadow:inset 0 0 18px rgba(0,229,255,.12)}
.feature-card h3{font-size:19px;margin-bottom:10px;color:var(--txt)}
.feature-card p{color:var(--txt-2);font-size:14.5px;line-height:1.8}

/* ---------- 解决方案 ---------- */
.channels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.channel-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  padding:28px 24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);
  transition:.32s;position:relative;overflow:hidden;
}
.channel-card h3{font-size:20px;color:var(--txt)}
.channel-card p{color:var(--txt-2);font-size:14.5px}
.channel-link{color:var(--cyan);font-weight:700;font-size:14px;transition:.28s}
.channel-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow-blue)}
.channel-card:hover .channel-link{letter-spacing:1px}
.channel-card::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;
  border-radius:50%;background:var(--grad);filter:blur(38px);opacity:.35;transition:.3s}
.channel-card:hover::after{opacity:.7}

/* ---------- 信息广场 ---------- */
.info-section-head{margin-bottom:30px}
.info-section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.head-sub{color:var(--txt-3);font-size:14.5px;margin-top:8px}
.filter-bar{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  margin-bottom:30px;padding:16px 18px;border-radius:var(--r);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(10px)}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;
  background:rgba(255,255,255,.03);color:var(--txt-2);border:1px solid var(--line);transition:.26s}
.filter-chip:hover{color:var(--txt);border-color:var(--line-strong)}
.filter-chip.active{background:var(--grad);color:#04101f;border:none;box-shadow:var(--glow-cyan);font-weight:800}
.filter-search{display:flex;align-items:center;gap:9px;padding:10px 16px;border-radius:999px;
  background:rgba(5,8,15,.6);border:1px solid var(--line);color:var(--txt-3);min-width:260px}
.filter-search:focus-within{border-color:var(--cyan);box-shadow:var(--glow-cyan)}
.filter-search input{background:none;border:none;outline:none;color:var(--txt);font-size:14px;width:100%}
.filter-search input::placeholder{color:var(--txt-3)}

.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.info-card{
  display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(12px);transition:.32s;
  position:relative;overflow:hidden;
}
.info-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--grad);opacity:.7;transform:scaleX(0);transform-origin:left;transition:.4s}
.info-card:hover{transform:translateY(-7px);border-color:var(--line-strong);box-shadow:0 22px 46px -22px rgba(0,229,255,.55)}
.info-card:hover::before{transform:scaleX(1)}
.info-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.info-type-tag{font-size:12.5px;font-weight:700;color:var(--cyan);padding:4px 12px;border-radius:999px;
  background:rgba(0,229,255,.1);border:1px solid var(--line)}
.info-budget{font-size:14px;font-weight:800;color:var(--gold);text-shadow:0 0 14px rgba(255,209,102,.4)}
.info-card h3{font-size:18px;color:var(--txt);line-height:1.4}
.info-desc{color:var(--txt-2);font-size:14px;line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.info-publisher{display:flex;flex-direction:column;gap:7px;padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.08);font-size:13px;color:var(--txt-2)}
.info-pub-name{display:flex;align-items:center;gap:7px;color:var(--txt);font-weight:600}
.info-pub-phone{display:flex;align-items:center;gap:7px;color:var(--cyan);font-weight:700;
  font-variant-numeric:tabular-nums}
.info-time{color:var(--txt-3);font-size:12.5px}
.empty-state{grid-column:1/-1;text-align:center;color:var(--txt-3);padding:50px 0}

.info-pager{display:flex;gap:10px;justify-content:center;margin-top:34px}
.page-btn{padding:9px 16px;border-radius:10px;background:var(--panel);border:1px solid var(--line);
  color:var(--txt-2);cursor:pointer;font-size:14px;transition:.24s;font-variant-numeric:tabular-nums}
.page-btn:hover{border-color:var(--line-strong);color:var(--txt)}
.page-btn.active{background:var(--grad);color:#04101f;border:none;font-weight:800;box-shadow:var(--glow-cyan)}
.page-btn.disabled{opacity:.4;cursor:not-allowed}

/* ---------- 运营指标大屏 ---------- */
.metrics{position:relative;padding:80px 0;border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);margin-top:10px}
.metrics::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 380px at 50% 50%,rgba(46,107,255,.12),transparent 70%)}
.metrics .container{position:relative}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{padding:30px 24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);
  text-align:center;position:relative;overflow:hidden;backdrop-filter:blur(12px)}
.metric-card::after{content:"";position:absolute;inset:0;border-radius:var(--r);
  background:radial-gradient(circle at 50% 0%,rgba(0,229,255,.12),transparent 60%);opacity:0;transition:.3s}
.metric-card:hover::after{opacity:1}
.m-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin:0 auto 14px;
  color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid var(--line);box-shadow:inset 0 0 16px rgba(0,229,255,.12)}
.m-num{font-size:40px;font-weight:900;color:var(--cyan);font-variant-numeric:tabular-nums;
  text-shadow:var(--glow-cyan);letter-spacing:1px}
.m-num .u{font-size:20px;color:var(--txt-2);margin-left:3px;text-shadow:none}
.m-label{color:var(--txt-2);font-size:14px;margin-top:4px;letter-spacing:1px}
.m-bar{height:5px;border-radius:999px;background:rgba(255,255,255,.07);margin-top:16px;overflow:hidden}
.m-bar span{display:block;height:100%;width:var(--w,50%);border-radius:999px;background:var(--grad);
  box-shadow:var(--glow-cyan);animation:grow 1.6s cubic-bezier(.2,.7,.3,1) both}
@keyframes grow{from{width:0}}

/* ---------- CTA ---------- */
.cta-section{position:relative;text-align:center;padding:90px 0;overflow:hidden}
.cta-section .container{position:relative;z-index:1}
.cta-section::before{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 50%,rgba(123,91,255,.16),transparent 70%)}
.cta-section h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-bottom:14px}
.cta-section p{color:var(--txt-2);margin-bottom:30px;font-size:16px}

/* ---------- 弹窗 ---------- */
.modal-overlay{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;
  background:rgba(2,4,9,.82);backdrop-filter:blur(6px);padding:20px}
.modal-overlay.show{display:flex;animation:fade .3s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{width:100%;max-width:380px;padding:32px 28px;border-radius:var(--r-lg);text-align:center;
  background:var(--panel-2);border:1px solid var(--line-strong);box-shadow:0 0 60px -10px rgba(0,229,255,.4)}
.modal-box h3{font-size:22px;color:var(--txt);margin-bottom:8px}
.modal-desc{color:var(--txt-2);font-size:14px;margin-bottom:20px}
.modal-qr{width:180px;height:180px;margin:0 auto 18px;border-radius:14px;overflow:hidden;
  background:#fff;padding:10px;border:1px solid var(--line-strong);box-shadow:var(--glow-cyan)}
.modal-qr img{width:100%;height:100%;object-fit:contain}
.modal-amount{font-size:16px;color:var(--txt-2);margin-bottom:20px}
.modal-amount strong{color:var(--cyan);font-size:22px;font-variant-numeric:tabular-nums}
.recharge-amt{padding:9px 18px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--txt-2);cursor:pointer;font-weight:700;transition:.24s;margin:4px;display:inline-block}
.recharge-amt:hover{border-color:var(--line-strong);color:var(--txt)}
.recharge-amt.selected{background:var(--grad);color:#04101f;border:none;box-shadow:var(--glow-cyan)}

/* ---------- 页脚 ---------- */
.footer{padding:64px 0 30px;border-top:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg,transparent,rgba(8,12,22,.7))}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand p{color:var(--txt-3);font-size:14px;margin-top:16px;max-width:340px;line-height:1.8}
.footer-col h4{font-size:15px;color:var(--txt);margin-bottom:16px;letter-spacing:1px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a,.footer-col ul li{color:var(--txt-3);font-size:14px;transition:.22s}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  color:var(--txt-3);font-size:13px}
.footer-icp{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.footer-icp a{color:var(--txt-3);border:1px solid var(--line);padding:4px 12px;border-radius:8px;transition:.22s}
.footer-icp a:hover{color:var(--cyan);border-color:var(--line-strong)}
.footer-icp-sep{color:var(--txt-3);opacity:.5}

/* ---------- 二级页 Hero（hero-inner） ---------- */
.hero-inner{position:relative;padding:calc(var(--nav-h) + 64px) 0 60px;text-align:center;overflow:hidden}
.hero-inner::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(600px 320px at 50% 0%,rgba(0,229,255,.12),transparent 70%)}
.hero-inner::after{content:"";position:absolute;inset:0;z-index:0;opacity:.25;
  background:repeating-linear-gradient(0deg,rgba(0,229,255,.05) 0 1px,transparent 1px 5px);
  mask-image:linear-gradient(180deg,#000,transparent);-webkit-mask-image:linear-gradient(180deg,#000,transparent)}
.hero-inner .container{position:relative;z-index:1}
.hero-inner h1{font-size:clamp(28px,3.6vw,44px);font-weight:900;margin-bottom:16px;
  background:linear-gradient(120deg,#E7F0FF,#9FE9FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-inner p{color:var(--txt-2);font-size:17px;max-width:680px;margin:0 auto}

/* ---------- 关于页：业务领域 / 流程 ---------- */
.domain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:48px}
.domain-card{display:flex;gap:18px;padding:26px;border-radius:var(--r);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(12px);transition:.3s}
.domain-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow-blue)}
.domain-icon{width:52px;height:52px;border-radius:14px;flex:none;display:grid;place-items:center;
  color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid var(--line)}
.domain-card h3{font-size:18px;margin-bottom:8px;color:var(--txt)}
.domain-card p{color:var(--txt-2);font-size:14.5px}

.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.process-step{position:relative;padding:30px 22px;border-radius:var(--r);background:var(--panel);
  border:1px solid var(--line);text-align:center;backdrop-filter:blur(12px);transition:.3s}
.process-step:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.process-num{font-size:34px;font-weight:900;background:var(--grad);-webkit-background-clip:text;
  background-clip:text;color:transparent;margin-bottom:10px;filter:drop-shadow(0 0 14px rgba(0,229,255,.4))}
.process-step h3{font-size:17px;margin-bottom:8px;color:var(--txt)}
.process-step p{color:var(--txt-2);font-size:14px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:20px}
.contact-info-card,.contact-form{padding:34px;border-radius:var(--r-lg);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(14px)}
.contact-info-card h3,.contact-form h3{font-size:22px;margin-bottom:22px;color:var(--txt)}
.contact-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.contact-item:last-child{border-bottom:none}
.ci-icon{width:44px;height:44px;border-radius:12px;flex:none;display:grid;place-items:center;
  color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid var(--line)}
.ci-label{font-size:13px;color:var(--txt-3);letter-spacing:1px}
.ci-value{font-size:16px;color:var(--txt);font-weight:600;font-variant-numeric:tabular-nums;margin-top:2px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;color:var(--txt-2);margin-bottom:8px;letter-spacing:.5px}
.form-group input,.form-group textarea{
  width:100%;padding:13px 16px;border-radius:12px;background:rgba(5,8,15,.6);
  border:1px solid var(--line);color:var(--txt);font-size:15px;outline:none;transition:.24s;font-family:inherit;
}
.form-group input:focus,.form-group textarea:focus{border-color:var(--cyan);box-shadow:var(--glow-cyan);background:rgba(5,8,15,.85)}
.form-group textarea{resize:vertical;min-height:110px}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:36px auto 0;display:flex;flex-direction:column;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);overflow:hidden;transition:.3s}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--txt)}
.faq-icon{flex:none;width:26px;height:26px;display:grid;place-items:center;color:var(--cyan);
  transition:.3s;background:rgba(0,229,255,.07);border-radius:8px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;color:var(--txt-2);font-size:14.5px}
.faq-item.open .faq-a{max-height:200px;padding:0 24px 22px}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);z-index:3000;
  padding:13px 26px;border-radius:999px;background:var(--panel-2);border:1px solid var(--line-strong);
  color:var(--txt);font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.32s;
  box-shadow:0 0 40px -8px rgba(0,229,255,.5);backdrop-filter:blur(10px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.error{border-color:rgba(255,99,132,.6);color:#ffb3c2;box-shadow:0 0 40px -8px rgba(255,99,132,.5)}
.toast.success{border-color:var(--line-strong);color:var(--cyan)}

/* ---------- 导航态（登录后） ---------- */
.nav-user-ico{display:inline-block}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{height:340px}
  .features-grid,.channels-grid,.info-cards{grid-template-columns:repeat(2,1fr)}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .domain-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav-menu{position:fixed;top:var(--nav-h);right:0;width:260px;height:calc(100vh - var(--nav-h));
    flex-direction:column;align-items:stretch;gap:4px;padding:18px;
    background:rgba(5,8,15,.96);backdrop-filter:blur(18px);border-left:1px solid var(--line);
    transform:translateX(100%);transition:.32s}
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{padding:13px 16px}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .features-grid,.channels-grid,.info-cards,.metrics-grid,.process-grid,.footer-grid{grid-template-columns:1fr}
  .filter-bar{flex-direction:column;align-items:stretch}
  .filter-search{min-width:0;width:100%}
  .section{padding:64px 0}
}

/* ---------- 个人中心 ---------- */
.profile-header{position:relative;padding:calc(var(--nav-h) + 40px) 0 30px;overflow:hidden}
.profile-header::before{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 280px at 20% 0%,rgba(46,107,255,.18),transparent 70%)}
.profile-header .container{position:relative}
.profile-card{display:flex;align-items:center;gap:22px}
.profile-avatar{width:76px;height:76px;border-radius:20px;flex:none;display:grid;place-items:center;
  font-size:30px;font-weight:900;color:#04101f;background:var(--grad);box-shadow:var(--glow-blue)}
.profile-info h2{font-size:26px;color:var(--txt)}
.profile-badges{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.badge{font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:999px;border:1px solid var(--line)}
.badge.verified{color:var(--cyan);background:rgba(0,229,255,.1);border-color:var(--line-strong)}
.badge.member{color:#c9b8ff;background:rgba(123,91,255,.12);border-color:rgba(123,91,255,.4)}
.badge.unverified{color:var(--txt-3)}
.badge.balance{color:var(--gold);background:rgba(255,209,102,.1);border-color:rgba(255,209,102,.3)}

.profile-modules{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.module-card{padding:30px;border-radius:var(--r-lg);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px)}
.module-card h3{display:flex;align-items:center;gap:10px;font-size:19px;color:var(--txt);margin-bottom:6px}
.module-card h3 svg{color:var(--cyan)}
.module-desc{color:var(--txt-3);font-size:14px;margin-bottom:18px}
.module-status{font-size:14px;padding:11px 15px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);margin-bottom:16px}
.module-status.ok{color:#7ff0c0;border-color:rgba(0,229,255,.3);background:rgba(0,229,255,.07)}
.module-status.warn{color:#ffd089;border-color:rgba(255,209,102,.3);background:rgba(255,209,102,.07)}
.recharge-amounts{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.recharge-amt .amt-unit{font-size:12px;opacity:.8;font-weight:500}
#rechargeBtn{width:100%}

.my-list-title{font-size:22px;font-weight:800;color:var(--txt);margin-bottom:6px}
.my-list-tip{color:var(--txt-3);font-size:14px;margin-bottom:20px}
#myList{display:flex;flex-direction:column;gap:14px}
.info-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px 16px;align-items:center;
  padding:18px 22px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);transition:.28s}
.info-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow-cyan)}
.info-tag{font-size:12.5px;font-weight:700;color:var(--cyan);padding:4px 12px;border-radius:999px;background:rgba(0,229,255,.1);border:1px solid var(--line)}
.info-title{font-size:16px;color:var(--txt);font-weight:600}
.info-status{font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px}
.st-pending{color:#ffd089;background:rgba(255,209,102,.12)}
.st-approved{color:#7ff0c0;background:rgba(0,229,255,.12)}
.st-rejected{color:#ff9aa9;background:rgba(255,99,132,.12)}
.info-meta{grid-column:1/-1;color:var(--txt-3);font-size:13px}

/* ---------- 详情页 ---------- */
.detail-overview{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:30px}
.ov-item{padding:18px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);text-align:center}
.ov-label{font-size:12.5px;color:var(--txt-3);letter-spacing:1px}
.ov-value{font-size:17px;font-weight:700;color:var(--txt);margin-top:6px}
.ov-id{font-size:13px;color:var(--cyan);font-variant-numeric:tabular-nums}
.status-active{color:#7ff0c0;font-weight:700}
.detail-main{flex:1;min-width:0}
.detail-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--txt);margin-bottom:24px}
.detail-block{margin-bottom:28px}
.detail-block-title{font-size:18px;color:var(--cyan);margin-bottom:14px;display:flex;align-items:center;gap:9px}
.detail-block-title::before{content:"";width:4px;height:18px;border-radius:3px;background:var(--grad)}
.detail-desc{color:var(--txt-2);font-size:15.5px;line-height:1.9;white-space:pre-wrap}
.detail-mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mode-item{padding:16px 18px;border-radius:var(--r-sm);background:rgba(0,229,255,.05);border:1px solid var(--line)}
.mode-item-t{font-size:15px;font-weight:700;color:var(--txt)}
.mode-item-d{font-size:13.5px;color:var(--txt-2);margin-top:5px}
.detail-steps{display:flex;flex-direction:column;gap:0}
.step-item{display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.step-item:last-child{border-bottom:none}
.step-n{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;font-weight:800;
  color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid var(--line);font-variant-numeric:tabular-nums}
.step-body{flex:1}
.step-t{font-size:15px;font-weight:700;color:var(--txt)}
.step-d{font-size:13.5px;color:var(--txt-2);margin-top:4px}
.detail-notice{display:flex;flex-direction:column;gap:10px;padding-left:4px}
.detail-notice li{color:var(--txt-2);font-size:14px;line-height:1.7;padding-left:20px;position:relative}
.detail-notice li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow-cyan)}
.detail-side{width:340px;flex:none;display:flex;flex-direction:column;gap:18px}
.contact-tip{font-size:12.5px;color:var(--txt-3);text-align:center;margin-top:12px;line-height:1.6}
.side-notice{padding:18px;border-radius:var(--r);background:rgba(123,91,255,.07);border:1px solid rgba(123,91,255,.3)}
.side-notice-t{font-size:14px;font-weight:700;color:#c9b8ff;margin-bottom:8px}
.side-notice p{font-size:13.5px;color:var(--txt-2);line-height:1.7}
.detail-related{margin-top:44px}
.related-title{font-size:20px;font-weight:800;color:var(--txt);margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{padding:20px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);transition:.28s}
.related-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow-blue)}
.related-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.related-budget{font-size:13px;font-weight:800;color:var(--gold)}
.related-card h4{font-size:16px;color:var(--txt);margin-bottom:10px;line-height:1.4}
.related-pub{font-size:13px;color:var(--txt-2)}

/* ---------- 发布 / 引导块 ---------- */
.form-card{padding:38px;border-radius:var(--r-lg);background:var(--panel);border:1px solid var(--line-strong);
  max-width:720px;margin:0 auto;backdrop-filter:blur(14px);box-shadow:0 0 50px -16px rgba(0,229,255,.35)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.guide-block{text-align:center;max-width:460px;margin:20px auto;padding:48px 32px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line)}
.guide-icon{width:72px;height:72px;border-radius:20px;margin:0 auto 20px;display:grid;place-items:center;
  color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid var(--line);box-shadow:var(--glow-cyan)}
.guide-block h3{font-size:22px;color:var(--txt);margin-bottom:10px}
.guide-block p{color:var(--txt-2);font-size:15px;margin-bottom:22px}

/* ---------- 窄屏适配（详情/个人中心） ---------- */
@media (max-width:880px){
  .detail-overview{grid-template-columns:repeat(2,1fr)}
  .detail-side{width:auto}
  .related-grid{grid-template-columns:1fr}
  .profile-modules{grid-template-columns:1fr}
  .detail-mode-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}

/* ---------- 登录 / 注册 ---------- */
.auth-back{position:fixed;top:20px;left:22px;z-index:50;display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--txt-2);padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:.24s}
.auth-back:hover{color:var(--txt);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:90px 20px 60px;position:relative}
.auth-card{width:100%;max-width:440px;padding:42px 38px;border-radius:var(--r-lg);position:relative;z-index:1;
  background:var(--panel-2);border:1px solid var(--line-strong);backdrop-filter:blur(16px);
  box-shadow:0 0 60px -14px rgba(0,229,255,.4)}
.auth-card::before{content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none}
.auth-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;color:var(--txt);margin-bottom:22px}
.auth-card h2{font-size:28px;font-weight:900;color:var(--txt);margin-bottom:8px}
.auth-sub{color:var(--txt-2);font-size:14.5px;margin-bottom:28px}
.auth-card .form-group{margin-bottom:18px}
.auth-foot{text-align:center;margin-top:22px;color:var(--txt-2);font-size:14px}
.auth-foot a{color:var(--cyan);font-weight:700}
.agreement-group{margin-bottom:8px}
.agree-label{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--txt-2);cursor:pointer;line-height:1.6}
.agree-label input{width:18px;height:18px;accent-color:var(--cyan);flex:none}
.agree-label a{color:var(--cyan)}

/* ---------- 协议页（目录锚点） ---------- */
.doc-hero{min-height:auto}
.doc-toc{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 10px;justify-content:center}
.doc-toc a{font-size:13.5px;color:var(--txt-2);padding:8px 16px;border-radius:999px;background:var(--panel);
  border:1px solid var(--line);transition:.24s}
.doc-toc a:hover{color:var(--cyan);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.doc-section{padding:30px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.doc-section h2{font-size:22px;color:var(--cyan);margin-bottom:16px;scroll-margin-top:90px}
.doc-section p{color:var(--txt-2);font-size:15px;line-height:1.95;margin-bottom:12px}
.doc-section ol,.doc-section ul{padding-left:22px;color:var(--txt-2);font-size:15px;line-height:1.95}
.doc-section li{margin-bottom:8px}
.doc-wrap{max-width:860px;margin:0 auto}
.legal-doc{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:40px 44px;backdrop-filter:blur(10px)}
.legal-update{color:var(--cyan);font-size:14px;font-weight:600;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.legal-h2{font-size:21px;font-weight:800;color:var(--txt);margin:30px 0 14px;padding-left:16px;position:relative;scroll-margin-top:90px}
.legal-h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:3px;background:var(--grad)}
.legal-doc p{color:var(--txt-2);font-size:15px;line-height:1.95;margin-bottom:12px}
.legal-doc strong{color:var(--txt);font-weight:700}

/* 收费权益卡（关于页业务模式） */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:760px;margin:46px auto 0}
.price-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;backdrop-filter:blur(14px);box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s,border-color .35s}
.price-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 24px 60px -20px rgba(0,229,255,.35)}
.price-card.featured{border-color:var(--line-strong);background:linear-gradient(160deg,rgba(0,229,255,.10),rgba(46,107,255,.06))}
.price-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.5px;color:var(--cyan);padding:5px 12px;border:1px solid var(--line-strong);border-radius:999px;margin-bottom:16px}
.price-amt{font-size:38px;font-weight:900;color:var(--txt);line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:18px}
.price-amt span{font-size:15px;font-weight:600;-webkit-text-fill-color:var(--txt-2);margin-left:6px}
.price-feats{list-style:none;display:flex;flex-direction:column;gap:11px}
.price-feats li{position:relative;padding-left:24px;font-size:15px;color:var(--txt-2);line-height:1.6}
.price-feats li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:50%;background:var(--grad);box-shadow:var(--glow-cyan)}
@media(max-width:680px){.price-grid{grid-template-columns:1fr}}
.fee-cta{text-align:center;margin-top:42px}
.fee-cta .btn{font-size:16px;padding:15px 40px}
.fee-note{margin-top:16px;font-size:14px;color:var(--txt-2)}
.fee-note a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}

/* 发布周期芯片（发布周卡） */
.week-chips{display:flex;flex-wrap:wrap;gap:12px}
.week-chip{flex:1;min-width:120px;padding:14px 10px;border:1px solid var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.02);color:var(--txt-2);font-size:15px;font-weight:600;cursor:pointer;transition:all .25s}
.week-chip:hover{border-color:var(--line-strong);color:var(--txt)}
.week-chip.active{border-color:transparent;color:var(--bg-deep);background:var(--grad);box-shadow:var(--glow-cyan);font-weight:800}