:root{
  --main:#818cf8;
  --accent:#c084fc;
  --bg:#1e1b4b;
  --text:#e0e7ff;
  --card:#272256;
  --line:rgba(129,140,248,.22);
  --soft:rgba(224,231,255,.68);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-weight:400;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;line-height:1.22;letter-spacing:-.02em;}
a{text-decoration:none;}
.section{position:relative;padding:76px 0;}
.container-narrow{max-width:1120px;margin:0 auto;padding:0 20px;}

/* ---------- 导航 ---------- */
.navbar{
  background:rgba(30,27,75,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:1000;
  padding:.7rem 0;
}
.navbar-brand{
  font-weight:900;font-size:1.32rem;color:var(--text)!important;
  letter-spacing:-.02em;display:flex;align-items:center;gap:.5rem;
}
.navbar-brand .logo-dot{
  width:11px;height:11px;border-radius:50%;
  background:linear-gradient(135deg,var(--main),var(--accent));
  display:inline-block;box-shadow:0 0 12px rgba(192,132,252,.7);
}
.nav-link{
  color:var(--soft)!important;font-weight:500;font-size:.94rem;
  padding:.45rem .85rem!important;border-radius:8px;transition:.25s;
}
.nav-link:hover,.nav-link:focus{color:var(--text)!important;background:rgba(129,140,248,.16);}
.navbar-toggler{border:1px solid var(--line);padding:.28rem .55rem;}
.navbar-toggler:focus{box-shadow:none;}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23c7d2fe' stroke-width='2.4' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}

/* ---------- 波浪分隔 ---------- */
.wave-top,.wave-bottom{
  position:absolute;left:0;width:100%;height:48px;pointer-events:none;
}
.wave-top{top:-1px;}
.wave-bottom{bottom:-1px;}
.wave-top svg,.wave-bottom svg{width:100%;height:100%;display:block;}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:90px 0 96px;
  background:
    radial-gradient(900px 460px at 12% -8%,rgba(192,132,252,.20),transparent 62%),
    radial-gradient(760px 420px at 92% 6%,rgba(129,140,248,.24),transparent 60%),
    var(--bg);
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--main);border:1px solid var(--line);
  padding:.35rem .85rem;border-radius:8px;background:rgba(129,140,248,.08);
  margin-bottom:1.15rem;
}
.hero h1{
  font-size:clamp(2.1rem,5.4vw,3.5rem);font-weight:900;margin:0 0 1rem;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--main),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead-txt{
  color:var(--soft);font-size:1.06rem;max-width:640px;margin-bottom:1.7rem;
  font-weight:400;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-bottom:2.4rem;}
.btn-main{
  background:linear-gradient(120deg,var(--main),var(--accent));
  color:#1a1440;font-weight:800;border:none;border-radius:8px;
  padding:.75rem 1.55rem;font-size:.98rem;transition:.25s;
  display:inline-flex;align-items:center;gap:.5rem;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(129,140,248,.85);color:#1a1440;}
.btn-ghost{
  border:1px solid var(--line);color:var(--text);border-radius:8px;
  padding:.75rem 1.55rem;font-weight:600;font-size:.98rem;transition:.25s;background:transparent;
  display:inline-flex;align-items:center;gap:.5rem;
}
.btn-ghost:hover{background:rgba(129,140,248,.14);border-color:var(--main);color:var(--text);}

/* 关键词标签云 */
.cloud{display:flex;flex-wrap:wrap;gap:.6rem;max-width:760px;}
.cloud .tag{
  border:1px solid var(--line);border-radius:8px;
  padding:.34rem .8rem;font-size:.85rem;font-weight:600;
  color:var(--soft);background:rgba(129,140,248,.07);
  animation:floatIn .7s both;
}
.cloud .tag:nth-child(3n+1){color:var(--main);}
.cloud .tag:nth-child(3n+2){color:var(--accent);}
.cloud .tag.big{font-size:1rem;font-weight:800;color:var(--text);border-color:rgba(192,132,252,.5);}
@keyframes floatIn{
  from{opacity:0;transform:translateY(10px);}
  to{opacity:1;transform:translateY(0);}
}

/* ---------- 横向时间线 ---------- */
.timeline-wrap{
  position:relative;overflow-x:auto;padding:26px 4px 34px;
  scrollbar-width:thin;
}
.timeline{
  display:flex;gap:0;min-width:920px;position:relative;
}
.timeline::before{
  content:"";position:absolute;top:22px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--main),var(--accent),rgba(129,140,248,.15));
}
.tl-node{
  flex:1;min-width:180px;position:relative;padding-top:54px;padding-right:18px;
}
.tl-node::before{
  content:"";position:absolute;top:15px;left:0;width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:3px solid var(--main);
  box-shadow:0 0 0 4px rgba(129,140,248,.16);transition:.3s;
}
.tl-node:hover::before{border-color:var(--accent);box-shadow:0 0 0 6px rgba(192,132,252,.24);}
.tl-step{font-size:.74rem;font-weight:800;letter-spacing:.12em;color:var(--main);text-transform:uppercase;}
.tl-node h4{font-size:1.02rem;font-weight:800;margin:.3rem 0 .4rem;}
.tl-node p{font-size:.86rem;color:var(--soft);margin:0;}

/* ---------- 通用标题 ---------- */
.sec-head{margin-bottom:2.6rem;max-width:700px;}
.sec-head .eyebrow{
  font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);display:block;margin-bottom:.5rem;
}
.sec-head h2{font-size:clamp(1.55rem,3.4vw,2.25rem);margin:0 0 .7rem;}
.sec-head p{color:var(--soft);margin:0;font-size:.98rem;}

/* ---------- 特色卡片 ---------- */
.feature-card{
  background:var(--card);
  border:1px solid var(--line);border-radius:8px;
  padding:1.6rem 1.5rem;height:100%;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  position:relative;
}
.feature-card:hover{
  transform:scale(1.025);
  border-color:var(--main);
  box-shadow:0 18px 38px -22px rgba(129,140,248,.9);
}
.feature-card .ico{
  width:46px;height:46px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(129,140,248,.22),rgba(192,132,252,.22));
  color:var(--main);font-size:1.15rem;margin-bottom:1rem;
}
.feature-card h3{font-size:1.06rem;font-weight:800;margin:0 0 .55rem;}
.feature-card ul{list-style:none;padding:0;margin:0;}
.feature-card ul li{
  font-size:.88rem;color:var(--soft);padding:.28rem 0 .28rem 1.35rem;position:relative;
}
.feature-card ul li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:.36rem;font-size:.66rem;color:var(--accent);
}
.stat-row{display:flex;gap:2.6rem;flex-wrap:wrap;margin-top:2.4rem;}
.stat b{
  display:block;font-size:clamp(1.9rem,4.4vw,2.7rem);font-weight:900;
  background:linear-gradient(120deg,var(--main),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;letter-spacing:-.03em;
}
.stat span{font-size:.82rem;color:var(--soft);font-weight:500;}

/* ---------- 长文介绍 ---------- */
.longtext p{color:var(--soft);font-size:.97rem;margin-bottom:1.15rem;}
.longtext strong{color:var(--text);font-weight:700;}
.longtext .pull{
  border-left:3px solid var(--accent);
  padding:.2rem 0 .2rem 1.15rem;
  margin:1.8rem 0;color:var(--text);font-weight:600;font-size:1rem;
}
.intro-side{
  background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1.5rem;
}
.intro-side h4{font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;color:var(--main);font-weight:800;margin-bottom:1rem;}
.intro-side .li-row{display:flex;justify-content:space-between;font-size:.88rem;padding:.6rem 0;border-bottom:1px dashed var(--line);color:var(--soft);}
.intro-side .li-row:last-child{border-bottom:none;}
.intro-side .li-row b{color:var(--text);font-weight:700;}

/* ---------- FAQ 手风琴 ---------- */
.faq .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:8px!important;
  margin-bottom:.75rem;overflow:hidden;
}
.faq .accordion-button{
  background:var(--card);color:var(--text);font-weight:700;font-size:.96rem;
  padding:1rem 1.15rem;box-shadow:none;border-radius:8px!important;
}
.faq .accordion-button:not(.collapsed){
  background:rgba(129,140,248,.13);color:var(--main);
}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{
  filter:invert(78%) sepia(31%) saturate(1200%) hue-rotate(210deg);
}
.faq .accordion-body{
  color:var(--soft);font-size:.92rem;padding:.2rem 1.15rem 1.15rem;
}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:8px;border:1px solid var(--line);
  background:
    radial-gradient(620px 300px at 8% 0%,rgba(192,132,252,.22),transparent 60%),
    radial-gradient(620px 300px at 92% 100%,rgba(129,140,248,.26),transparent 60%),
    var(--card);
  padding:3rem 2rem;text-align:center;
}
.cta-block h2{font-size:clamp(1.5rem,3.6vw,2.15rem);margin-bottom:.8rem;}
.cta-block p{color:var(--soft);max-width:560px;margin:0 auto 1.7rem;font-size:.97rem;}

/* ---------- 友链 ---------- */
.friendlinks{
  border-top:1px solid var(--line);
  padding:2.4rem 0;
}
.friendlinks h5{
  font-size:.86rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--main);margin-bottom:1rem;
}
.friendlinks .fl-box{
  border:1px dashed var(--line);border-radius:8px;padding:1rem 1.15rem;
  color:var(--soft);font-size:.88rem;background:rgba(129,140,248,.05);
}

/* ---------- 页脚 ---------- */
footer.site-foot{
  border-top:1px solid var(--line);
  padding:2.4rem 0 2rem;font-size:.87rem;color:var(--soft);
  background:rgba(20,17,52,.6);
}
footer.site-foot .brand{
  font-weight:900;font-size:1.12rem;color:var(--text);display:flex;align-items:center;gap:.5rem;margin-bottom:.6rem;
}
footer.site-foot .brand .logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--main),var(--accent));
  box-shadow:0 0 10px rgba(192,132,252,.7);
}
footer.site-foot a{color:var(--soft);transition:.2s;}
footer.site-foot a:hover{color:var(--main);}
.foot-links{display:flex;flex-wrap:wrap;gap:1.1rem;}

/* ---------- 渐显动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

@media (max-width:767.98px){
  .section{padding:56px 0;}
  .hero{padding:66px 0 72px;}
  .stat-row{gap:1.8rem;}
  .timeline-wrap{padding-bottom:22px;}
  .cta-block{padding:2.2rem 1.25rem;}
}

/* --- 子页面追加 --- */
/* 本页专属少量样式，沿用站点配色变量 */
  .guide-hero .hero-kicker { letter-spacing: .12em; }
.stepbadge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 50%;
    background: linear-gradient(135deg, var(--main), var(--accent));
    color: #fff; font-weight: 800; font-size: .95rem; flex: 0 0 auto;
  }
.guide-card {
    background: var(--card); border: 1px solid var(--line);
    border-radius: 18px; padding: 26px 24px; height: 100%;
    transition: transform .25s ease, border-color .25s ease;
  }
.guide-card:hover { transform: translateY(-4px); border-color: var(--main); }
.guide-card h3 { font-size: 1.08rem; font-weight: 700; color: var(--text); margin: 14px 0 10px; }
.guide-card p { color: var(--soft); font-size: .93rem; line-height: 1.75; margin: 0; }
.guide-card .ico {
    width: 46px; height: 46px; border-radius: 14px; display: inline-flex;
    align-items: center; justify-content: center; font-size: 1.2rem;
    background: rgba(129,140,248,.16); color: var(--main);
  }
.flow-step {
    display: flex; gap: 16px; align-items: flex-start;
    background: var(--card); border: 1px solid var(--line);
    border-radius: 16px; padding: 20px 22px; margin-bottom: 16px;
  }
.flow-step h4 { font-size: 1rem; font-weight: 700; color: var(--text); margin: 0 0 6px; }
.flow-step p { color: var(--soft); font-size: .92rem; line-height: 1.75; margin: 0; }
.note-box {
    background: rgba(192,132,252,.1); border-left: 3px solid var(--accent);
    border-radius: 0 12px 12px 0; padding: 16px 20px; margin-top: 18px;
    color: var(--soft); font-size: .92rem; line-height: 1.8;
  }
.note-box strong { color: var(--text); }
.faq-item {
    background: var(--card); border: 1px solid var(--line);
    border-radius: 14px; padding: 20px 22px; margin-bottom: 14px;
  }
.faq-item h4 { font-size: .98rem; font-weight: 700; color: var(--text); margin: 0 0 8px; }
.faq-item p { color: var(--soft); font-size: .92rem; line-height: 1.78; margin: 0; }
.tag-chip {
    display: inline-block; padding: 5px 12px; margin: 0 8px 8px 0;
    border-radius: 999px; font-size: .8rem; color: var(--main);
    border: 1px solid var(--line); background: rgba(129,140,248,.08);
  }
.prose p { color: var(--soft); line-height: 1.9; font-size: .96rem; margin-bottom: 16px; }
.prose h3 { color: var(--text); font-size: 1.15rem; font-weight: 700; margin: 26px 0 12px; }
.prose strong { color: var(--text); }

/* --- 子页面追加 --- */
.about-hero {
    position:relative;
    padding:120px 0 70px;
    overflow:hidden;
    text-align:center;
  }
.about-hero .hero-kicker {
    display:inline-block;
    letter-spacing:.14em;
    text-transform:uppercase;
    font-size:.78rem;
    font-weight:600;
    color:var(--main);
    border:1px solid var(--line);
    border-radius:999px;
    padding:6px 16px;
    margin-bottom:22px;
    background:rgba(129,140,248,.08);
  }
.about-hero h1 {
    font-size:clamp(1.9rem,4.4vw,3.1rem);
    font-weight:800;
    line-height:1.25;
    margin:0 auto 20px;
    max-width:820px;
    background:linear-gradient(120deg,var(--text) 10%,var(--main) 55%,var(--accent) 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
.about-hero p.lead-txt {
    max-width:640px;
    margin:0 auto;
    color:var(--soft);
    font-size:1.02rem;
    line-height:1.85;
  }
.blob {
    position:absolute;
    border-radius:50%;
    filter:blur(80px);
    opacity:.35;
    z-index:0;
    pointer-events:none;
  }
.blob.b1 {width:340px;height:340px;background:var(--main);top:-120px;left:-80px;}
.blob.b2 {width:300px;height:300px;background:var(--accent);bottom:-140px;right:-60px;}
.about-hero .container-narrow {position:relative;z-index:2;}
.about-card {
    background:var(--card);
    border:1px solid var(--line);
    border-radius:18px;
    padding:26px 24px;
    height:100%;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
.about-card:hover {
    transform:translateY(-4px);
    border-color:rgba(192,132,252,.5);
    box-shadow:0 18px 40px -22px rgba(129,140,248,.55);
  }
.about-card .ico {
    width:46px;height:46px;
    display:flex;align-items:center;justify-content:center;
    border-radius:13px;
    background:linear-gradient(135deg,rgba(129,140,248,.28),rgba(192,132,252,.24));
    color:var(--main);
    font-size:1.15rem;
    margin-bottom:16px;
  }
.about-card h3 {
    font-size:1.06rem;
    font-weight:700;
    margin-bottom:10px;
    color:var(--text);
  }
.about-card p {
    font-size:.92rem;
    line-height:1.8;
    color:var(--soft);
    margin:0;
  }
.stat-strip {
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
    margin-top:8px;
  }
.stat-box {
    background:linear-gradient(160deg,rgba(129,140,248,.14),rgba(192,132,252,.06));
    border:1px solid var(--line);
    border-radius:16px;
    padding:22px 16px;
    text-align:center;
  }
.stat-box .num {
    font-size:1.7rem;
    font-weight:800;
    color:var(--main);
    display:block;
    line-height:1.2;
  }
.stat-box .lbl {
    font-size:.8rem;
    color:var(--soft);
    margin-top:6px;
    display:block;
    letter-spacing:.03em;
  }
.story-block {
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:32px 28px;
  }
.story-block h3 {
    font-size:1.15rem;
    font-weight:700;
    margin-bottom:14px;
    display:flex;
    align-items:center;
    gap:10px;
  }
.story-block h3 i {color:var(--accent);font-size:.95rem;}
.story-block p {
    color:var(--soft);
    line-height:1.9;
    font-size:.94rem;
    margin-bottom:16px;
  }
.story-block p:last-child {margin-bottom:0;}
.story-block strong {color:var(--text);font-weight:600;}
.quote-line {
    border-left:3px solid var(--accent);
    padding:4px 0 4px 18px;
    margin:22px 0;
    color:var(--text);
    font-size:.96rem;
    line-height:1.85;
    opacity:.92;
  }
.faq-item h3 {
    font-size:1rem;
    font-weight:600;
    margin-bottom:8px;
    color:var(--text);
  }
.btn-main,.btn-ghost {
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:12px 26px;
    border-radius:12px;
    font-weight:600;
    font-size:.94rem;
    text-decoration:none;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  }
.navbar-nav .nav-link {color:var(--soft)!important;font-size:.92rem;padding:8px 14px!important;border-radius:9px;transition:color .2s,background .2s;}
.navbar-nav .nav-link:hover {color:var(--text)!important;background:rgba(129,140,248,.1);}
.navbar-nav .nav-link.active {color:var(--main)!important;font-weight:600;}
footer.site-footer {
    border-top:1px solid var(--line);
    padding:42px 0 34px;
    margin-top:70px;
    color:var(--soft);
    font-size:.88rem;
  }
.friendlinks a {color:var(--soft);text-decoration:none;margin-right:14px;}
.friendlinks a:hover {color:var(--main);}
.about-hero {padding:96px 0 52px;}
.stat-strip {grid-template-columns:repeat(2,1fr);}
.story-block {padding:26px 20px;}

/* --- 子页面追加 --- */
.disc-hero {padding:120px 0 64px;text-align:center;position:relative;overflow:hidden;}
.disc-hero h1 {font-size:clamp(1.7rem,4.2vw,2.9rem);font-weight:800;line-height:1.25;margin:18px auto 14px;max-width:820px;}
.disc-hero p {color:var(--soft);max-width:640px;margin:0 auto;font-size:1.02rem;line-height:1.8;}
.disc-updated {display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:.85rem;color:var(--soft);border:1px solid var(--line);border-radius:999px;padding:7px 16px;}
.disc-body {padding:8px 0 72px;}
.disc-card {background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 26px;margin-bottom:22px;}
.disc-card h2 {font-size:1.22rem;font-weight:700;margin-bottom:14px;display:flex;align-items:flex-start;gap:12px;line-height:1.5;}
.disc-card h2 i {color:var(--main);font-size:1.05rem;margin-top:4px;flex-shrink:0;}
.disc-card p {color:var(--soft);line-height:1.9;margin-bottom:12px;font-size:.96rem;}
.disc-card p:last-child {margin-bottom:0;}
.disc-card ul {list-style:none;padding:0;margin:0;}
.disc-card ul li {position:relative;padding-left:20px;color:var(--soft);line-height:1.9;font-size:.96rem;margin-bottom:8px;}
.disc-card ul li::before {content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--accent);}
.disc-card strong {color:var(--text);font-weight:600;}
.disc-note {border-left:3px solid var(--accent);background:rgba(192,132,252,.08);border-radius:0 14px 14px 0;padding:14px 18px;color:var(--soft);font-size:.93rem;line-height:1.85;margin-top:16px;}
.disc-toc {background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px 24px;margin-bottom:26px;}
.disc-toc h3 {font-size:1rem;font-weight:700;margin-bottom:14px;color:var(--text);}
.disc-toc ol {margin:0;padding-left:20px;color:var(--soft);font-size:.92rem;line-height:2;}
.disc-toc a {color:var(--main);text-decoration:none;}
.disc-toc a:hover {color:var(--accent);text-decoration:underline;}
.disc-cta {text-align:center;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px 24px;}
.disc-cta h2 {font-size:1.2rem;font-weight:700;margin-bottom:12px;}
.disc-cta p {color:var(--soft);max-width:560px;margin:0 auto 20px;line-height:1.85;font-size:.95rem;}
.disc-cta .btns {display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.disc-hero {padding:96px 0 48px;}
.disc-card {padding:22px 18px;}

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }