:root{
  --main:#818cf8;
  --accent:#c084fc;
  --bg:#1e1b4b;
  --text:#e0e7ff;
  --panel:#262354;
  --panel-2:#2d2a63;
  --line:#4c488f;
  --hard-shadow:8px 8px 0 rgba(0,0,0,.55);
  --hard-shadow-sm:5px 5px 0 rgba(0,0,0,.5);
}
*{border-radius:0 !important;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:14px;
  line-height:1.65;
  letter-spacing:.2px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--main);text-decoration:none;}
a:hover{color:var(--accent);}
::selection{background:var(--accent);color:#1a1738;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 18px;}
/* ===== 导航 ===== */
.top-nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  border-bottom:3px solid var(--line);
  background:rgba(30,27,75,.18);
  backdrop-filter:blur(0px);
  transition:background .3s ease,backdrop-filter .3s ease,box-shadow .3s ease;
}
.top-nav.stuck{
  background:rgba(22,19,56,.94);
  backdrop-filter:blur(12px);
  box-shadow:0 6px 0 rgba(0,0,0,.45);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:66px;}
.brand{
  font-weight:900;font-size:19px;letter-spacing:.5px;color:#fff;
  display:flex;align-items:center;gap:8px;white-space:nowrap;
  text-shadow:3px 3px 0 rgba(0,0,0,.6);
}
.brand i{color:var(--accent);font-size:17px;}
.brand:hover{color:#fff;}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-links a{
  display:block;padding:8px 13px;font-size:13px;font-weight:600;color:var(--text);
  border:2px solid transparent;transition:.18s;
}
.nav-links a:hover{background:var(--main);color:#161338;border-color:#000;box-shadow:3px 3px 0 rgba(0,0,0,.55);}
.nav-toggle{
  display:none;background:var(--panel);border:3px solid var(--line);color:var(--text);
  width:44px;height:40px;font-size:17px;cursor:pointer;
}
.nav-toggle:hover{background:var(--main);color:#161338;}
@media(max-width:900px){
  .nav-links{
    position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(22,19,56,.98);border-bottom:3px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;gap:0;
  }
  .nav-links.open{max-height:400px;}
  .nav-links a{border-bottom:1px solid var(--line);padding:14px 20px;font-size:14px;}
  .nav-toggle{display:block;}
}
/* ===== HERO ===== */
.hero{
  position:relative;padding:130px 0 0;overflow:hidden;
  background:
    radial-gradient(circle at 80% 12%,rgba(192,132,252,.28),transparent 55%),
    radial-gradient(circle at 12% 78%,rgba(129,140,248,.26),transparent 52%),
    var(--bg);
  border-bottom:3px solid var(--line);
}
.hero-parallax{
  position:absolute;inset:-12% 0 0 0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(129,140,248,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(129,140,248,.10) 1px,transparent 1px);
  background-size:46px 46px;
  will-change:transform;
}
.hero-glow{
  position:absolute;width:420px;height:420px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(192,132,252,.35),transparent 68%);
  top:-90px;right:-90px;
}
.hero .container-x{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#1a1738;font-weight:800;font-size:12px;
  padding:6px 12px;border:3px solid #000;box-shadow:var(--hard-shadow-sm);
  text-transform:uppercase;letter-spacing:1px;margin-bottom:18px;
}
.hero h1{
  font-weight:900;font-size:clamp(28px,5.4vw,54px);line-height:1.12;
  color:#fff;margin:0 0 16px;text-shadow:5px 5px 0 rgba(0,0,0,.55);
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{max-width:660px;font-size:14px;color:#c7cdf6;margin-bottom:26px;font-weight:400;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.btn-hard{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;font-weight:800;font-size:13.5px;
  border:3px solid #000;box-shadow:var(--hard-shadow-sm);
  transition:.16s;cursor:pointer;letter-spacing:.5px;
}
.btn-hard-primary{background:var(--main);color:#161338;}
.btn-hard-primary:hover{background:var(--accent);color:#161338;transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(0,0,0,.6);}
.btn-hard-ghost{background:transparent;color:var(--text);border-color:var(--line);box-shadow:5px 5px 0 rgba(0,0,0,.45);}
.btn-hard-ghost:hover{background:var(--panel-2);color:#fff;transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(0,0,0,.6);}
/* 标签云 */
.cloud{display:flex;flex-wrap:wrap;gap:9px;padding-bottom:44px;max-width:900px;}
.chip{
  display:inline-block;padding:5px 11px;font-size:12px;font-weight:600;
  border:2px solid var(--line);background:rgba(45,42,99,.7);color:#c7cdf6;
  transition:.18s;white-space:nowrap;
}
.chip:nth-child(3n){border-color:var(--main);color:var(--main);}
.chip:nth-child(4n){border-color:var(--accent);color:var(--accent);}
.chip:hover{background:var(--accent);color:#1a1738;border-color:#000;transform:translateY(-3px);box-shadow:3px 3px 0 rgba(0,0,0,.6);}
/* 斜切分割 */
.zigzag{
  height:34px;width:100%;position:relative;z-index:3;
  background:var(--bg);
  clip-path:polygon(0 0,100% 0,100% 30%,0 100%);
}
/* ===== 通用区块 ===== */
.section{padding:62px 0;position:relative;}
.section-alt{background:#1a1740;}
.sec-head{margin-bottom:32px;}
.sec-kicker{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:2px;
  color:var(--accent);border-left:5px solid var(--accent);padding-left:10px;margin-bottom:10px;
  text-transform:uppercase;
}
.sec-title{font-weight:900;font-size:clamp(21px,3.2vw,30px);color:#fff;margin:0 0 8px;text-shadow:4px 4px 0 rgba(0,0,0,.45);}
.sec-desc{font-size:13px;color:#b6bcea;max-width:720px;margin:0;}
/* ===== Bento 网格 ===== */
.bento{
  display:grid;gap:16px;
  grid-template-columns:repeat(12,1fr);
}
.card{
  background:var(--panel);
  border:3px solid var(--line);
  box-shadow:var(--hard-shadow);
  padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;
  overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:11px 13px 0 rgba(0,0,0,.62);border-color:var(--main);}
.card-ico{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  background:var(--main);color:#161338;border:3px solid #000;font-size:16px;margin-bottom:12px;
  box-shadow:3px 3px 0 rgba(0,0,0,.55);
}
.card h3{font-size:15px;font-weight:800;color:#fff;margin:0 0 8px;line-height:1.35;}
.card p{font-size:12.5px;color:#b9bfee;margin:0;line-height:1.7;}
.card .meta{font-size:11px;color:var(--accent);font-weight:700;margin-top:12px;display:block;letter-spacing:.5px;}
.b-8{grid-column:span 8;}
.b-4{grid-column:span 4;}
.b-6{grid-column:span 6;}
.b-5{grid-column:span 5;}
.b-7{grid-column:span 7;}
.b-3{grid-column:span 3;}
.b-12{grid-column:span 12;}
@media(max-width:900px){
  .b-8,.b-4,.b-6,.b-5,.b-7,.b-3{grid-column:span 12;}
}
.bento .feat{
  background:linear-gradient(135deg,var(--panel-2),var(--panel));
}
.tagline{
  display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:1px;
  padding:3px 8px;border:2px solid var(--main);color:var(--main);margin-bottom:10px;
}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;}
.stat{flex:1 1 80px;border-left:4px solid var(--accent);padding-left:10px;}
.stat b{display:block;font-size:20px;font-weight:900;color:#fff;line-height:1.1;}
.stat span{font-size:11px;color:#a9aff0;font-weight:600;}
.list-hard{list-style:none;margin:0;padding:0;}
.list-hard li{
  font-size:12.5px;color:#c3c9f2;padding:8px 0 8px 22px;position:relative;
  border-bottom:1px dashed rgba(129,140,248,.3);
}
.list-hard li:last-child{border-bottom:0;}
.list-hard li::before{
  content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:8px;color:var(--accent);font-size:11px;
}
/* ===== 步骤条 ===== */
.steps{display:grid;gap:14px;grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.steps{grid-template-columns:1fr;}}
.step{
  background:var(--panel);border:3px solid var(--line);box-shadow:var(--hard-shadow-sm);
  padding:18px 16px;position:relative;transition:.2s;
}
.step:hover{transform:translateY(-4px);box-shadow:8px 10px 0 rgba(0,0,0,.6);border-color:var(--accent);}
.step-num{
  font-size:26px;font-weight:900;color:transparent;-webkit-text-stroke:2px var(--accent);
  line-height:1;margin-bottom:10px;letter-spacing:-1px;
}
.step h4{font-size:13.5px;font-weight:800;color:#fff;margin:0 0 6px;}
.step p{font-size:12px;color:#b6bcea;margin:0;}
/* ===== FAQ ===== */
.faq-item{
  background:var(--panel);border:3px solid var(--line);box-shadow:var(--hard-shadow-sm);
  margin-bottom:12px;transition:border-color .2s;
}
.faq-item:hover{border-color:var(--main);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;color:#fff;
  font-size:13.5px;font-weight:800;padding:16px 46px 16px 18px;position:relative;cursor:pointer;
  transition:background .2s;line-height:1.5;
}
.faq-q:hover{background:rgba(129,140,248,.10);}
.faq-q::after{
  content:"\2b";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:20px;font-weight:900;line-height:1;
}
.faq-item.open .faq-q::after{content:"\2212";}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{margin:0;padding:0 18px 16px;font-size:12.8px;color:#b9bfee;line-height:1.8;border-top:1px dashed rgba(129,140,248,.3);padding-top:12px;}
/* ===== 介绍区 ===== */
.intro-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:16px;}
@media(max-width:900px){.intro-grid{grid-template-columns:1fr;}}
.intro-card{
  background:var(--panel);border:3px solid var(--line);box-shadow:var(--hard-shadow);
  padding:24px;
}
.intro-card h3{font-size:17px;font-weight:900;color:#fff;margin:0 0 12px;}
.intro-card p{font-size:13px;color:#bcc2ee;margin:0 0 12px;line-height:1.8;}
.intro-card p:last-child{margin-bottom:0;}
.side-note{
  background:linear-gradient(135deg,var(--accent),var(--main));
  color:#17143a;border:3px solid #000;box-shadow:var(--hard-shadow);
  padding:22px;
}
.side-note h3{font-size:16px;font-weight:900;margin:0 0 10px;color:#17143a;}
.side-note p{font-size:12.5px;font-weight:600;margin:0 0 14px;color:#272261;line-height:1.7;}
.side-note .btn-hard{background:#17143a;color:var(--text);border-color:#17143a;box-shadow:4px 4px 0 rgba(0,0,0,.35);}
.side-note .btn-hard:hover{background:#000;color:var(--accent);}
/* ===== CTA ===== */
.cta{
  position:relative;background:var(--panel-2);border-top:3px solid var(--line);border-bottom:3px solid var(--line);
  padding:70px 0;text-align:center;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:repeating-linear-gradient(45deg,rgba(192,132,252,.13) 0 12px,transparent 12px 24px);
}
.cta .container-x{position:relative;z-index:2;}
.cta h2{font-size:clamp(22px,4vw,36px);font-weight:900;color:#fff;margin:0 0 12px;text-shadow:4px 4px 0 rgba(0,0,0,.5);}
.cta p{font-size:13.5px;color:#c3c9f2;max-width:600px;margin:0 auto 26px;}
/* ===== 友链 ===== */
.friends{
  padding:40px 0;border-bottom:3px solid var(--line);background:#1a1740;
}
.friends h4{
  font-size:12px;font-weight:800;letter-spacing:2px;color:var(--accent);
  margin:0 0 14px;text-transform:uppercase;
  display:flex;align-items:center;gap:8px;
}
.friends-box{
  border:3px dashed var(--line);padding:16px 18px;font-size:12.5px;color:#b0b6e8;
  background:rgba(45,42,99,.4);line-height:1.9;word-break:break-all;
}
/* ===== 页脚 ===== */
footer{padding:44px 0 30px;background:#151234;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px;margin-bottom:28px;}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr;}}
.foot-brand{font-size:18px;font-weight:900;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.foot-brand i{color:var(--accent);}
.foot-p{font-size:12.5px;color:#a5abe0;line-height:1.8;margin:0;max-width:400px;}
.foot-col h5{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:1.5px;margin:0 0 12px;text-transform:uppercase;}
.foot-col ul{list-style:none;margin:0;padding:0;}
.foot-col li{margin-bottom:8px;}
.foot-col a{font-size:12.5px;color:#b0b6e8;transition:.16s;}
.foot-col a:hover{color:var(--accent);padding-left:4px;}
.copy{
  border-top:2px solid var(--line);padding-top:18px;font-size:12px;color:#8f96cf;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
}
.copy a{color:var(--main);}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* --- 子页面追加 --- */
.guide-lead {max-width:820px;margin:0 auto;text-align:center;}
.step-list {display:flex;flex-direction:column;gap:22px;}
.step-item {background:var(--panel);border:2px solid var(--line);border-radius:14px;padding:24px 26px;box-shadow:var(--hard-shadow-sm);display:flex;gap:20px;align-items:flex-start;transition:transform .18s ease,background .18s ease;}
.step-item:hover {transform:translate(-3px,-3px);background:var(--panel-2);}
.step-body h3 {margin:0 0 8px;font-size:19px;color:#fff;font-weight:800;}
.step-body p {margin:0 0 8px;color:var(--text);opacity:.88;line-height:1.85;font-size:15px;}
.step-body p:last-child {margin-bottom:0;}
.tag-note {display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;border:1.5px solid var(--line);color:var(--main);background:rgba(129,140,248,.12);margin-right:8px;}
.rule-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;}
.rule-card {background:var(--panel);border:2px solid var(--line);border-radius:14px;padding:22px 22px 20px;box-shadow:var(--hard-shadow-sm);transition:transform .18s ease;}
.rule-card:hover {transform:translate(-3px,-3px);}
.rule-card .ico {width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#1e1b4b;background:linear-gradient(135deg,var(--main),var(--accent));margin-bottom:14px;box-shadow:var(--hard-shadow-sm);}
.rule-card h3 {margin:0 0 8px;font-size:17px;color:#fff;font-weight:800;}
.rule-card p {margin:0;font-size:14.5px;line-height:1.8;color:var(--text);opacity:.85;}
.faq-q i {color:var(--accent);transition:transform .2s ease;flex:0 0 auto;}
.faq-q.open i {transform:rotate(45deg);}
.path-note {background:rgba(129,140,248,.1);border-left:4px solid var(--main);border-radius:10px;padding:16px 20px;margin-top:20px;}
.path-note p {margin:0;font-size:14.5px;line-height:1.8;color:var(--text);opacity:.9;}
.path-note code {background:rgba(0,0,0,.35);padding:2px 7px;border-radius:5px;color:var(--accent);font-size:13px;}
.step-item {flex-direction:column;gap:14px;padding:20px;}
.step-body h3 {font-size:17px;}

/* --- 子页面追加 --- */
.legal-wrap {max-width:920px;margin:0 auto;}
.legal-card {background:var(--panel);border:2px solid var(--line);border-radius:18px;box-shadow:var(--hard-shadow-sm);padding:28px 26px;margin-bottom:26px;}
.legal-card h2 {font-size:1.35rem;font-weight:800;color:var(--text);margin:0 0 14px;display:flex;align-items:center;gap:10px;}
.legal-card h2 i {color:var(--main);font-size:1.05rem;}
.legal-card p {color:var(--text);opacity:.88;line-height:1.9;margin:0 0 12px;font-size:.98rem;}
.legal-card p:last-child {margin-bottom:0;}
.legal-card ul {margin:0 0 12px;padding-left:0;list-style:none;}
.legal-card ul li {position:relative;padding-left:24px;line-height:1.9;color:var(--text);opacity:.88;font-size:.98rem;margin-bottom:8px;}
.legal-card ul li:before {content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);position:absolute;left:4px;top:1px;font-size:.85rem;}
.legal-meta {display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.legal-meta .chip {font-size:.82rem;}
.legal-note {background:var(--panel-2);border-left:4px solid var(--accent);border-radius:12px;padding:16px 18px;color:var(--text);opacity:.92;line-height:1.85;font-size:.95rem;margin-top:6px;}
.legal-toc {background:var(--panel-2);border:2px solid var(--line);border-radius:16px;padding:20px 22px;margin-bottom:30px;}
.legal-toc strong {display:block;color:var(--text);font-weight:800;margin-bottom:12px;font-size:1rem;}
.legal-toc a {display:block;color:var(--main);text-decoration:none;font-size:.92rem;padding:6px 0;border-bottom:1px dashed rgba(76,72,143,.5);transition:.2s;}
.legal-toc a:last-child {border-bottom:none;}
.legal-toc a:hover {color:var(--accent);padding-left:6px;}
.legal-card {padding:22px 18px;}
.legal-card h2 {font-size:1.15rem;}

/* --- 子页面追加 --- */
.about-hero {padding:64px 0 40px;}
.about-hero h1 {font-weight:900;font-size:clamp(1.8rem,4.4vw,3rem);line-height:1.18;letter-spacing:-.5px;}
.about-hero h1 .hl {color:var(--accent);}
.about-hero p {color:#b9bdf0;max-width:760px;line-height:1.85;font-size:1.02rem;}
.about-card {background:var(--panel);border:2px solid var(--line);box-shadow:var(--hard-shadow-sm);border-radius:16px;padding:26px 24px;height:100%;}
.about-card h3 {font-size:1.12rem;font-weight:800;color:var(--text);margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.about-card h3 i {color:var(--main);}
.about-card p {color:#c3c8f2;line-height:1.8;font-size:.95rem;margin:0;}
.rule-list {list-style:none;padding:0;margin:0;}
.rule-list li {position:relative;padding:12px 0 12px 34px;border-bottom:1px dashed rgba(124,120,190,.35);color:#c9cdf5;line-height:1.75;}
.rule-list li:last-child {border-bottom:none;}
.rule-list li::before {content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);position:absolute;left:0;top:12px;font-size:.95rem;}
.timeline {position:relative;padding-left:28px;margin:0;}
.timeline::before {content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:linear-gradient(var(--main),var(--accent));border-radius:3px;}
.timeline-item {position:relative;padding-bottom:26px;}
.timeline-item:last-child {padding-bottom:0;}
.timeline-item::before {content:"";position:absolute;left:-27px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--accent);}
.timeline-item h4 {font-size:1rem;font-weight:800;margin:0 0 6px;color:var(--text);}
.timeline-item p {margin:0;color:#bfc4f0;font-size:.93rem;line-height:1.75;}
.stat-box {background:var(--panel-2);border:2px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;box-shadow:var(--hard-shadow-sm);}
.stat-box .num {font-size:1.9rem;font-weight:900;color:var(--main);line-height:1.1;}
.stat-box .lbl {font-size:.85rem;color:#b6bbe9;margin-top:6px;letter-spacing:.4px;}
.cta-panel {background:linear-gradient(135deg,var(--panel-2),var(--panel));border:2px solid var(--line);border-radius:18px;padding:34px 26px;box-shadow:var(--hard-shadow);}
.cta-panel h2 {font-weight:900;font-size:clamp(1.3rem,3vw,1.8rem);}
.cta-panel p {color:#c2c7f2;line-height:1.8;max-width:640px;}
a.inline-link {color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
a.inline-link:hover {color:var(--main);}