:root{
  --main:#2563eb;
  --accent:#06b6d4;
  --bg:#f8fafc;
  --ink:#0f172a;
  --line:#0f172a;
  --soft:#e2e8f0;
  --white:#ffffff;
  --shadow:6px 6px 0 var(--ink);
  --shadow-lg:10px 10px 0 var(--ink);
}
*{border-radius:0 !important;}
html{scroll-behavior:smooth;}
body{
  background-color:var(--bg);
  color:var(--ink);
  font-family:"Inter","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-feature-settings:"ss01";
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
h1,h2,h3,h4,h5{font-weight:900;letter-spacing:-0.02em;line-height:1.1;}
p{line-height:1.75;}
a{text-decoration:none;}
::selection{background:var(--main);color:#fff;}

/* ===== 导航 ===== */
.nav-hard{
  background:var(--white);
  border-bottom:4px solid var(--line);
  position:sticky;top:0;z-index:1000;
}
.brand-mark{
  display:inline-flex;align-items:center;gap:.55rem;
  font-weight:900;font-size:1.35rem;color:var(--ink);
  letter-spacing:-0.02em;
}
.brand-mark i{
  color:var(--main);font-size:1.2rem;
  -webkit-text-stroke:1px var(--ink);
}
.nav-hard .nav-link{
  color:var(--ink)!important;font-weight:700;font-size:.95rem;
  padding:.5rem .9rem!important;border:2px solid transparent;
  transition:all .18s ease;
}
.nav-hard .nav-link:hover{
  background:var(--main);color:#fff!important;
  border:2px solid var(--line);
  box-shadow:3px 3px 0 var(--line);
  transform:translate(-1px,-1px);
}
.nav-hard .navbar-toggler{
  border:2px solid var(--line);box-shadow:3px 3px 0 var(--line);
  background:var(--white);
}
.nav-hard .navbar-toggler:focus{box-shadow:3px 3px 0 var(--line);}

/* ===== 通用块 ===== */
.hard-card{
  background:var(--white);
  border:3px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.hard-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.tag-chip{
  display:inline-block;
  background:var(--accent);
  color:#06262b;
  border:2px solid var(--line);
  box-shadow:3px 3px 0 var(--line);
  font-weight:800;font-size:.78rem;
  padding:.2rem .6rem;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(1.8rem,4vw,2.9rem);
  font-weight:900;
}
.section-head .kicker{
  font-weight:800;color:var(--main);font-size:.82rem;
  letter-spacing:.22em;text-transform:uppercase;
  display:block;margin-bottom:.4rem;
}
.section-rule{
  height:6px;width:70px;background:var(--main);
  border:2px solid var(--line);margin-top:.9rem;
}

/* ===== Hero ===== */
.hero-wrap{
  padding:4.5rem 0 4rem;
  border-bottom:4px solid var(--line);
  position:relative;
  overflow:hidden;
}
.grad-text{
  background:linear-gradient(100deg,var(--main) 0%,var(--accent) 65%,#22d3ee 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-title{
  font-size:clamp(2.5rem,7vw,5.2rem);
  font-weight:900;line-height:1.02;letter-spacing:-0.035em;
}
.hero-sub{
  font-size:clamp(1rem,1.6vw,1.2rem);font-weight:400;
  color:#334155;max-width:36rem;line-height:1.8;
}
.float-deco{
  position:absolute;z-index:0;pointer-events:none;
  border:3px solid var(--line);
  animation:floaty 7s ease-in-out infinite;
}
.deco-1{width:110px;height:110px;background:var(--accent);opacity:.85;top:8%;right:6%;animation-delay:0s;}
.deco-2{width:70px;height:70px;background:var(--main);opacity:.9;bottom:12%;right:20%;animation-delay:1.6s;}
.deco-3{width:48px;height:48px;background:var(--white);top:24%;right:30%;animation-delay:3.1s;}
@keyframes floaty{
  0%,100%{transform:translateY(0) rotate(0deg);}
  50%{transform:translateY(-18px) rotate(8deg);}
}
.btn-hard{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--main);color:#fff;font-weight:800;
  border:3px solid var(--line);box-shadow:5px 5px 0 var(--line);
  padding:.8rem 1.6rem;font-size:1rem;
  transition:all .18s ease;
}
.btn-hard:hover{
  background:var(--accent);color:#04222a;
  transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--line);
}
.btn-ghost{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--white);color:var(--ink);font-weight:800;
  border:3px solid var(--line);box-shadow:5px 5px 0 var(--line);
  padding:.8rem 1.6rem;font-size:1rem;
  transition:all .18s ease;
}
.btn-ghost:hover{background:var(--soft);transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--line);}
.stat-big{
  font-size:clamp(2rem,4vw,3rem);font-weight:900;line-height:1;
  color:var(--main);
}
.stat-label{font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#475569;}

/* ===== Bento 网格 ===== */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:1.1rem;
}
.bento-item{grid-column:span 12;}
@media(min-width:768px){
  .b-span-4{grid-column:span 4;}
  .b-span-5{grid-column:span 5;}
  .b-span-6{grid-column:span 6;}
  .b-span-7{grid-column:span 7;}
  .b-span-8{grid-column:span 8;}
  .b-span-12{grid-column:span 12;}
}
.pad-box{padding:1.6rem;}
.icon-square{
  width:56px;height:56px;flex:0 0 56px;
  display:inline-flex;align-items:center;justify-content:center;
  border:3px solid var(--line);box-shadow:4px 4px 0 var(--line);
  background:var(--white);color:var(--main);font-size:1.35rem;
  margin-bottom:1rem;
}
.icon-square.accent{background:var(--accent);color:#04222a;}
.icon-square.blue{background:var(--main);color:#fff;}
.feature-row{
  display:flex;gap:1rem;align-items:flex-start;
  padding:1rem 0;border-bottom:2px dashed #cbd5e1;
}
.feature-row:last-child{border-bottom:none;}
.feature-row .ic{
  width:44px;height:44px;flex:0 0 44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:2px solid var(--line);background:var(--bg);color:var(--main);
  font-size:1.05rem;box-shadow:3px 3px 0 var(--line);
}
.feature-row h5{font-weight:800;margin:0 0 .2rem;font-size:1.02rem;}
.feature-row p{margin:0;font-size:.9rem;color:#475569;line-height:1.65;}

/* ===== 手风琴 FAQ ===== */
.acc-hard .accordion-item{
  background:var(--white);border:3px solid var(--line);
  box-shadow:var(--shadow);margin-bottom:1rem;overflow:hidden;
}
.acc-hard .accordion-button{
  background:var(--white);color:var(--ink);
  font-weight:800;font-size:1.03rem;padding:1.15rem 1.3rem;
  border:none;
}
.acc-hard .accordion-button:not(.collapsed){
  background:var(--main);color:#fff;
}
.acc-hard .accordion-button:focus{
  box-shadow:none;border:none;
}
.acc-hard .accordion-button::after{
  filter:grayscale(1) brightness(0.2);
  transition:transform .2s ease;
}
.acc-hard .accordion-button:not(.collapsed)::after{
  filter:brightness(0) invert(1);
}
.acc-hard .accordion-body{
  padding:1.2rem 1.3rem;font-size:.95rem;color:#334155;
  line-height:1.8;border-top:3px solid var(--line);
}

/* ===== 介绍区 ===== */
.intro-strip{
  background:var(--ink);color:#fff;
  border:3px solid var(--line);box-shadow:var(--shadow-lg);
  padding:2.4rem 1.8rem;
}
.intro-strip p{color:#cbd5e1;}
.mini-note{
  border-left:6px solid var(--accent);
  background:var(--white);
  border-top:3px solid var(--line);
  border-right:3px solid var(--line);
  border-bottom:3px solid var(--line);
  box-shadow:var(--shadow);
  padding:1.2rem 1.3rem;
}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(120deg,var(--main),var(--accent));
  border:4px solid var(--line);
  box-shadow:12px 12px 0 var(--line);
  padding:3rem 2rem;
  position:relative;overflow:hidden;
}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,4.2vw,3rem);}
.cta-band p{color:#e0f2fe;}
.cta-band .btn-white{
  background:var(--white);color:var(--ink);font-weight:900;
  border:3px solid var(--line);box-shadow:6px 6px 0 var(--line);
  padding:.9rem 2rem;display:inline-flex;align-items:center;gap:.6rem;
  transition:all .18s ease;
}
.cta-band .btn-white:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 var(--line);}

/* ===== 友情链接 ===== */
.friend-links{
  border-top:4px solid var(--line);
  padding:2.2rem 0;background:var(--white);
}
.friend-links h6{
  font-weight:900;font-size:.85rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--main);margin-bottom:.8rem;
}
.friend-links .fl-box{
  border:2px dashed #94a3b8;padding:.9rem 1.1rem;
  font-size:.9rem;color:#475569;background:var(--bg);
  overflow-wrap:anywhere;
}

/* ===== 页脚 ===== */
footer.site-foot{
  background:var(--ink);color:#cbd5e1;
  border-top:4px solid var(--line);
  padding:2.6rem 0 1.6rem;
  font-size:.92rem;
}
footer.site-foot a{color:#cbd5e1;font-weight:600;}
footer.site-foot a:hover{color:var(--accent);}
footer.site-foot .foot-brand{
  font-weight:900;font-size:1.3rem;color:#fff;
  display:inline-flex;align-items:center;gap:.5rem;margin-bottom:.6rem;
}
footer.site-foot .foot-brand i{color:var(--accent);}
footer .foot-rule{height:2px;background:#334155;margin:1.6rem 0 1.1rem;}

/* ===== 滚动渐显 ===== */
.reveal{
  opacity:0;transform:translateY(26px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1);
  will-change:opacity,transform;
}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .float-deco{animation:none;}
}
@media(max-width:767px){
  .float-deco{display:none;}
  .hero-wrap{padding:3rem 0 2.6rem;}
  .cta-band{padding:2rem 1.2rem;box-shadow:8px 8px 0 var(--line);}
}

/* --- 子页面追加 --- */
/* 本页专属少量补充样式，全部沿用站点变量 */
  .guide-lead {max-width:760px}
.step-card {
    background:var(--white);
    border:3px solid var(--line);
    box-shadow:var(--shadow);
    padding:26px 24px;
    height:100%;
    transition:transform .18s ease, box-shadow .18s ease;
  }
.step-card:hover {transform:translate(-3px,-3px);box-shadow:var(--shadow-lg)}
.step-num {
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:50%;
    background:var(--main);color:#fff;font-weight:800;font-size:1.05rem;
    border:3px solid var(--line);margin-bottom:14px;
  }
.step-card h3 {font-size:1.08rem;font-weight:800;margin-bottom:8px;color:var(--ink)}
.step-card p {font-size:.94rem;color:#475569;margin:0;line-height:1.75}
.tip-list {list-style:none;padding:0;margin:0}
.tip-list li {
    position:relative;padding:12px 0 12px 34px;
    border-bottom:1px dashed var(--soft);font-size:.95rem;color:#334155;line-height:1.7;
  }
.tip-list li:last-child {border-bottom:none}
.tip-list li i {position:absolute;left:0;top:14px;color:var(--accent);font-size:.95rem}
.tip-list li b {color:var(--ink)}
.faq-item {
    background:var(--white);border:3px solid var(--line);
    box-shadow:var(--shadow);padding:22px 24px;margin-bottom:20px;
  }
.faq-item h3 {
    font-size:1.02rem;font-weight:800;color:var(--ink);
    margin:0 0 10px;display:flex;gap:10px;align-items:flex-start;line-height:1.5;
  }
.faq-item h3 span {
    flex:0 0 auto;color:var(--main);font-weight:900;
  }
.faq-item p {margin:0;font-size:.94rem;color:#475569;line-height:1.78}
.flow-line {
    display:flex;flex-wrap:wrap;gap:10px;align-items:center;
    font-weight:700;font-size:.9rem;color:var(--ink);margin-top:6px;
  }
.flow-line .tag-chip {font-size:.82rem}
.note-box {
    background:#eff6ff;border:3px solid var(--line);
    border-left:10px solid var(--main);
    padding:20px 22px;font-size:.94rem;color:#1e3a8a;line-height:1.78;
  }
.note-box i {color:var(--main);margin-right:6px}
.guide-sec {margin-bottom:64px}
.step-card {padding:20px 18px}
.guide-sec {margin-bottom:48px}

/* --- 子页面追加 --- */
.about-hero { padding: 64px 0 40px; }
.about-lead { font-size: 1.08rem; line-height: 1.9; max-width: 60ch; }
.about-lead + .about-lead { margin-top: 1.1rem; }
.value-list { list-style: none; padding: 0; margin: 0; }
.value-list li { display: flex; gap: .8rem; padding: .75rem 0; border-bottom: 2px dashed var(--soft); align-items: flex-start; }
.value-list li:last-child { border-bottom: none; }
.value-list i { color: var(--main); margin-top: .25rem; }
.value-list strong { display: block; margin-bottom: .15rem; }
.value-list span { font-size: .92rem; color: #475569; line-height: 1.7; }
.timeline-item { border-left: 4px solid var(--main); padding: .1rem 0 .1rem 1.1rem; position: relative; }
.timeline-item::before { content: ""; position: absolute; left: -10px; top: .55rem; width: 12px; height: 12px; background: var(--accent); border: 3px solid var(--ink); border-radius: 50%; }
.timeline-item h3 { font-size: 1.02rem; font-weight: 800; margin-bottom: .3rem; }
.timeline-item p { font-size: .92rem; color: #475569; line-height: 1.75; margin: 0; }
.about-figure { border: 3px solid var(--ink); box-shadow: var(--shadow); background: var(--white); overflow: hidden; }
.about-figure img { width: 100%; display: block; }
.quote-block { border: 3px solid var(--ink); box-shadow: var(--shadow); background: var(--white); padding: 1.4rem 1.5rem; }
.quote-block p { margin: 0; font-weight: 600; line-height: 1.8; }
.faq-h { font-weight: 800; margin-bottom: .3rem; }
.faq-p { font-size: .93rem; color: #475569; line-height: 1.8; margin: 0; }
.faq-block { border: 3px solid var(--ink); background: var(--white); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); height: 100%; }
.about-hero { padding: 40px 0 24px; }

/* --- 子页面追加 --- */
.legal-card {background:var(--white);border:2px solid var(--ink);border-radius:14px;box-shadow:var(--shadow);padding:26px 24px;height:100%;}
.legal-card h3 {font-size:1.12rem;font-weight:800;margin-bottom:.65rem;display:flex;align-items:center;gap:.5rem;}
.legal-card h3 i {color:var(--main);}
.legal-card p {color:#334155;font-size:.95rem;line-height:1.85;margin-bottom:.6rem;}
.legal-card p:last-child {margin-bottom:0;}
.legal-num {display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--main);color:#fff;font-weight:800;font-size:.95rem;border:2px solid var(--ink);flex:0 0 auto;}
.legal-item {display:flex;gap:16px;align-items:flex-start;}
.legal-meta {font-size:.85rem;color:#64748b;}
.legal-list {list-style:none;padding:0;margin:.4rem 0 0;}
.legal-list li {position:relative;padding-left:1.35rem;margin-bottom:.5rem;color:#334155;font-size:.95rem;line-height:1.8;}
.legal-list li::before {content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:.15rem;color:var(--accent);font-size:.85rem;}
.legal-hl {background:linear-gradient(transparent 62%,rgba(6,182,212,.35) 62%);font-weight:700;color:var(--ink);}
.contact-box {background:var(--bg);border:2px dashed var(--ink);border-radius:14px;padding:22px;}
.contact-box a {color:var(--main);font-weight:700;text-decoration:none;}
.contact-box a:hover {text-decoration:underline;}
.page-title {font-size:2.1rem;font-weight:900;line-height:1.25;letter-spacing:-.5px;}
.page-title {font-size:1.6rem;}

/* --- 子页面追加 --- */
/* 本页专属少量样式，配色沿用首页变量 */
    body {
      background: var(--bg);
      color: var(--ink);
      font-family: "Inter","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
    }
.nav-hard .nav-link.active {
      background: var(--main);
      color: var(--white);
      box-shadow: 3px 3px 0 var(--ink);
    }
.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='%230f172a' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
.card-icon {
      width: 52px; height: 52px;
      display: grid; place-items: center;
      border-radius: .8rem;
      border: 3px solid var(--line);
      background: var(--soft);
      font-size: 1.35rem;
      color: var(--main);
      margin-bottom: 1rem;
    }
.hard-card h3 {
      font-size: 1.15rem;
      font-weight: 800;
      letter-spacing: -.01em;
      margin-bottom: .55rem;
    }
.hard-card p {
      color: #475569;
      font-size: .95rem;
      line-height: 1.7;
      margin-bottom: .8rem;
    }
.tag-chip.blue { background: #dbeafe; }
.tag-chip.cyan { background: #cffafe; }
.tag-chip.yellow { background: #fef9c3; }
.sec-title {
      font-weight: 900;
      letter-spacing: -.02em;
      font-size: clamp(1.35rem, 2.6vw, 1.8rem);
      margin-bottom: .5rem;
    }
.sec-lead {
      color: #475569;
      font-size: .98rem;
      line-height: 1.7;
      margin-bottom: 1.5rem;
    }
.mail-box {
      background: var(--ink);
      color: var(--bg);
      border-radius: 1rem;
      border: 3px solid var(--line);
      box-shadow: var(--shadow);
      padding: 1.4rem 1.5rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: .8rem 1.2rem;
    }
.mail-box .mail-label {
      font-size: .82rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: #94a3b8;
      font-weight: 700;
      width: 100%;
    }
.mail-box .mail-addr {
      font-weight: 800;
      font-size: 1.05rem;
      color: var(--accent);
      word-break: break-all;
    }
.time-list { list-style: none; padding: 0; margin: 0; }
.time-list li {
      display: flex;
      gap: .8rem;
      justify-content: space-between;
      padding: .7rem 0;
      border-bottom: 2px dashed var(--soft);
      font-size: .94rem;
    }
.time-list li:last-child { border-bottom: 0; }
.time-list .k { font-weight: 700; color: var(--ink); }
.time-list .v { color: #475569; text-align: right; }
.qa-item {
      border: 3px solid var(--line);
      border-radius: 1rem;
      background: var(--white);
      box-shadow: var(--shadow);
      padding: 1.2rem 1.4rem;
      margin-bottom: 1.1rem;
    }
.qa-item h4 {
      font-size: 1.02rem;
      font-weight: 800;
      margin-bottom: .5rem;
      display: flex;
      gap: .6rem;
      align-items: flex-start;
    }
.qa-item h4 i { color: var(--main); margin-top: .15rem; }
.qa-item p { color: #475569; font-size: .93rem; line-height: 1.7; margin: 0; }
.note-strip {
      background: #fef9c3;
      border: 3px solid var(--line);
      border-radius: .8rem;
      padding: .9rem 1.2rem;
      font-size: .9rem;
      color: #423c1a;
      line-height: 1.7;
      box-shadow: 4px 4px 0 var(--ink);
    }
.note-strip i { color: #b45309; margin-right: .4rem; }
footer {
      border-top: 3px solid var(--line);
      background: var(--white);
      margin-top: 3.5rem;
      padding: 2.2rem 0 1.6rem;
    }
footer a { color: var(--ink); text-decoration: none; font-weight: 600; }
footer a:hover { color: var(--main); }
.foot-links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; font-size: .92rem; }
.foot-friend { color: #64748b; font-size: .85rem; line-height: 1.8; }
.deco-1, .deco-2, .deco-3 { display: none; }

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