:root{
  --brand:#1a3a6b;
  --brand-deep:#0d2347;
  --brand-light:#3a6bc4;
  --accent:#ffd166;
  --accent-strong:#ffbe2e;
  --bg:#f7f8fa;
  --bg-soft:#eef2f9;
  --surface:#ffffff;
  --surface-glass:rgba(255,255,255,.72);
  --surface-glass-2:rgba(255,255,255,.5);
  --border:#e8ecf3;
  --border-soft:#eef2f9;
  --text:#2c2c2c;
  --text-soft:#555555;
  --text-muted:#888888;
  --text-faint:#999999;
  --shadow-sm:0 2px 10px rgba(15,35,70,.06);
  --shadow-md:0 8px 26px rgba(15,35,70,.10);
  --shadow-lg:0 18px 48px rgba(15,35,70,.16);
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:18px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.35s;
  --header-h:64px;
  --grad-brand:linear-gradient(135deg,#0f2a52 0%,#1a3a6b 38%,#2a5298 68%,#4a86d8 100%);
  --grad-accent:linear-gradient(135deg,#ffd166 0%,#ffbe2e 100%);
  --grad-card:linear-gradient(150deg,rgba(255,255,255,.9),rgba(255,255,255,.6));
}

body.dark{
  --brand:#6fa8ff;
  --brand-deep:#9cc4ff;
  --brand-light:#6fa8ff;
  --bg:#12151c;
  --bg-soft:#252c3a;
  --surface:#1a1f2b;
  --surface-glass:rgba(26,31,43,.78);
  --surface-glass-2:rgba(37,44,58,.6);
  --border:#2a3140;
  --border-soft:#252c3a;
  --text:#d0d4dc;
  --text-soft:#a8b0bd;
  --text-muted:#8a92a3;
  --text-faint:#7b8494;
  --shadow-sm:0 2px 10px rgba(0,0,0,.35);
  --shadow-md:0 8px 26px rgba(0,0,0,.45);
  --shadow-lg:0 18px 48px rgba(0,0,0,.6);
  --grad-brand:linear-gradient(135deg,#0a1220 0%,#14203a 40%,#1d2f52 72%,#2c4a80 100%);
  --grad-card:linear-gradient(150deg,rgba(37,44,58,.85),rgba(26,31,43,.6));
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{
  scroll-behavior:smooth;
  font-size:16px;
  -webkit-text-size-adjust:100%;
  scroll-padding-top:calc(var(--header-h) + 16px);
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(900px 480px at 88% -8%,rgba(74,134,216,.12),transparent 62%),
    radial-gradient(700px 420px at -6% 12%,rgba(255,209,102,.10),transparent 60%);
  background-attachment:fixed;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body.dark{
  background-image:
    radial-gradient(900px 480px at 88% -8%,rgba(111,168,255,.10),transparent 62%),
    radial-gradient(700px 420px at -6% 12%,rgba(255,209,102,.05),transparent 60%);
}

a{
  color:var(--brand);
  text-decoration:none;
  transition:color .25s var(--ease),opacity .25s var(--ease);
}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}

img,svg{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit}
input,button{font:inherit}

::selection{background:rgba(255,209,102,.45);color:#1a2b4a}
body.dark ::selection{background:rgba(111,168,255,.35);color:#fff}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,rgba(26,58,107,.5),rgba(58,107,196,.5));
  border-radius:var(--radius-pill);
  border:2px solid transparent;
  background-clip:padding-box;
}
body.dark ::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,rgba(111,168,255,.45),rgba(74,134,216,.35));
  background-clip:padding-box;
}

.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  width:100%;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--brand);
  color:#fff;
  padding:10px 18px;
  z-index:9999;
  border-radius:0 0 var(--radius-sm) 0;
  font-weight:600;
}
.skip-link:focus{left:0;color:#fff;text-decoration:none}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--surface-glass);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  backdrop-filter:saturate(180%) blur(16px);
  box-shadow:0 2px 18px rgba(15,35,70,.08);
  border-bottom:1px solid rgba(255,255,255,.35);
  transition:background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
body.dark .site-header{
  background:rgba(20,25,36,.82);
  box-shadow:0 2px 18px rgba(0,0,0,.5);
  border-bottom-color:rgba(255,255,255,.05);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:var(--header-h);
  gap:16px;
}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.25rem;
  font-weight:800;
  letter-spacing:.4px;
  color:var(--brand);
  white-space:nowrap;
  flex-shrink:0;
  transition:transform .3s var(--ease);
}
.logo:hover{text-decoration:none;transform:translateY(-1px)}
.logo svg{
  width:36px;
  height:36px;
  flex-shrink:0;
  border-radius:9px;
  box-shadow:0 4px 14px rgba(26,58,107,.35);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.logo:hover svg{transform:rotate(-6deg) scale(1.05);box-shadow:0 6px 20px rgba(26,58,107,.5)}
body.dark .logo svg{box-shadow:0 4px 14px rgba(0,0,0,.5)}

.main-nav{
  display:flex;
  gap:4px;
  flex-wrap:wrap;
  align-items:center;
}
.main-nav a{
  position:relative;
  padding:7px 13px;
  border-radius:var(--radius-sm);
  font-size:.92rem;
  font-weight:500;
  color:var(--text-soft);
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s var(--ease);
}
.main-nav a:hover{
  background:var(--bg-soft);
  color:var(--brand);
  text-decoration:none;
  transform:translateY(-1px);
}
.main-nav a:hover::after{transform:scaleX(1)}
body.dark .main-nav a{color:var(--text-soft)}
body.dark .main-nav a:hover{background:var(--bg-soft);color:var(--brand)}

.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}

.search-box{
  display:flex;
  align-items:center;
  background:var(--bg-soft);
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  padding:4px 10px;
  gap:6px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.search-box:focus-within{
  border-color:var(--brand-light);
  box-shadow:0 0 0 4px rgba(58,107,196,.15);
  background:var(--surface);
}
body.dark .search-box{background:var(--bg-soft)}
body.dark .search-box:focus-within{background:var(--surface)}

.search-box input{
  border:none;
  background:transparent;
  outline:none;
  font-size:.88rem;
  width:130px;
  color:inherit;
}
.search-box input::placeholder{color:var(--text-faint)}

.search-box button{
  border:none;
  background:transparent;
  cursor:pointer;
  padding:2px;
  display:flex;
  align-items:center;
  border-radius:6px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.search-box button:hover{transform:scale(1.12)}
.search-box button svg{stroke:var(--brand)}

.dark-toggle,
.mobile-menu-btn{
  border:none;
  background:var(--bg-soft);
  border-radius:var(--radius-sm);
  width:38px;
  height:38px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.dark-toggle svg,
.mobile-menu-btn svg{stroke:var(--brand);transition:transform .4s var(--ease)}
.dark-toggle:hover,
.mobile-menu-btn:hover{
  background:var(--border);
  transform:translateY(-1px);
  box-shadow:var(--shadow-sm);
}
.dark-toggle:hover svg{transform:rotate(-18deg)}
.mobile-menu-btn:hover svg{transform:scale(1.08)}
body.dark .dark-toggle,
body.dark .mobile-menu-btn{background:var(--bg-soft)}
body.dark .dark-toggle:hover,
body.dark .mobile-menu-btn:hover{background:#313a4d}

.mobile-menu-btn{display:none}

.hero{
  position:relative;
  background:var(--grad-brand);
  color:#fff;
  padding:64px 0 56px;
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(600px 300px at 15% 10%,rgba(255,255,255,.10),transparent 60%),
    radial-gradient(500px 260px at 92% 90%,rgba(255,209,102,.14),transparent 65%);
  z-index:-1;
}
.hero::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.16),rgba(255,255,255,.04) 55%,transparent 72%);
  animation:heroFloat 14s ease-in-out infinite;
  pointer-events:none;
}
@keyframes heroFloat{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-24px,26px) scale(1.08)}
}

.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 380px;
  gap:44px;
  align-items:center;
}

.hero h1{
  font-size:2.05rem;
  line-height:1.4;
  margin-bottom:16px;
  font-weight:800;
  letter-spacing:.3px;
  text-shadow:0 2px 18px rgba(0,0,0,.18);
  animation:heroRise .8s var(--ease) both;
}
.hero h1 span{
  color:var(--accent);
  position:relative;
  display:inline-block;
}
.hero h1 span::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:6px;
  border-radius:6px;
  background:linear-gradient(90deg,rgba(255,209,102,.55),rgba(255,209,102,0));
}

.hero .hero-lead{
  font-size:1rem;
  opacity:.94;
  margin-bottom:26px;
  max-width:640px;
  color:rgba(255,255,255,.92);
  animation:heroRise .8s var(--ease) .08s both;
}

@keyframes heroRise{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}

.hero-stats{
  display:flex;
  gap:34px;
  flex-wrap:wrap;
  margin-bottom:30px;
  animation:heroRise .8s var(--ease) .16s both;
}
.hero-stat{text-align:left}
.hero-stat .num{
  font-size:1.85rem;
  font-weight:800;
  color:var(--accent);
  display:block;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
  text-shadow:0 2px 14px rgba(255,209,102,.35);
}
.hero-stat .label{
  font-size:.82rem;
  opacity:.88;
  color:rgba(255,255,255,.88);
}

.hero-cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  animation:heroRise .8s var(--ease) .24s both;
}

.btn{
  position:relative;
  display:inline-block;
  padding:11px 26px;
  border-radius:var(--radius-sm);
  font-size:.95rem;
  font-weight:700;
  cursor:pointer;
  border:none;
  overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease);
}
.btn::after{
  content:"";
  position:absolute;
  top:0;
  left:-120%;
  width:60%;
  height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);
  transition:left .6s var(--ease);
}
.btn:hover::after{left:130%}

.btn-primary{
  background:var(--grad-accent);
  color:#1a3a6b;
  box-shadow:0 8px 22px rgba(255,209,102,.28);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 32px rgba(255,209,102,.45);
  color:#1a3a6b;
  text-decoration:none;
}

.btn-outline{
  background:rgba(255,255,255,.08);
  color:#fff;
  border:2px solid rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.btn-outline:hover{
  background:rgba(255,255,255,.18);
  color:#fff;
  text-decoration:none;
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(0,0,0,.22);
}

.carousel{
  position:relative;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius-lg);
  padding:26px;
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  min-height:230px;
  overflow:hidden;
  box-shadow:0 18px 44px rgba(0,0,0,.22);
  animation:heroRise .9s var(--ease) .2s both;
}
.carousel::before{
  content:"";
  position:absolute;
  top:-40%;
  right:-20%;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,209,102,.22),transparent 68%);
  pointer-events:none;
}

.carousel-slide{display:none;animation:fadeIn .55s var(--ease)}
.carousel-slide.active{display:block}

@keyframes fadeIn{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:translateY(0)}
}

.carousel-slide h3{
  font-size:1.06rem;
  margin-bottom:10px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:.3px;
}
.carousel-slide p{
  font-size:.9rem;
  opacity:.92;
  line-height:1.75;
  color:rgba(255,255,255,.92);
}

.carousel-dots{
  display:flex;
  gap:8px;
  margin-top:18px;
  justify-content:center;
}
.carousel-dots button{
  width:10px;
  height:10px;
  border-radius:var(--radius-pill);
  border:none;
  background:rgba(255,255,255,.4);
  cursor:pointer;
  padding:0;
  transition:width .35s var(--ease),background-color .35s var(--ease),transform .35s var(--ease);
}
.carousel-dots button:hover{background:rgba(255,255,255,.7);transform:scale(1.15)}
.carousel-dots button.active{
  background:var(--accent);
  width:26px;
  box-shadow:0 0 12px rgba(255,209,102,.6);
}

.breadcrumb{
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  font-size:.85rem;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  padding:11px 0;
  color:var(--text-muted);
  align-items:center;
}
.breadcrumb li+li::before{
  content:"›";
  margin-right:6px;
  color:var(--text-faint);
}
.breadcrumb a{color:var(--brand);font-weight:500}
.breadcrumb a:hover{color:var(--brand-deep)}

.main-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:34px;
  padding:40px 0 64px;
  align-items:start;
}

.section{margin-bottom:48px}
.section:last-child{margin-bottom:0}

.section-title{
  position:relative;
  font-size:1.5rem;
  font-weight:800;
  color:var(--brand);
  margin-bottom:8px;
  padding-left:16px;
  line-height:1.4;
  letter-spacing:.3px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  bottom:.18em;
  width:5px;
  border-radius:var(--radius-pill);
  background:var(--grad-accent);
  box-shadow:0 2px 10px rgba(255,209,102,.45);
}

.section-sub{
  font-size:.9rem;
  color:var(--text-muted);
  margin-bottom:22px;
  padding-left:16px;
}

.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-sm);
  margin-bottom:18px;
  transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .35s var(--ease),background-color .35s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(140deg,rgba(255,209,102,.06),transparent 42%);
  opacity:0;
  transition:opacity .35s var(--ease);
  pointer-events:none;
}
.card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
  border-color:rgba(58,107,196,.22);
}
.card:hover::before{opacity:1}

.card h3{
  font-size:1.14rem;
  color:var(--brand);
  margin-bottom:12px;
  line-height:1.5;
  font-weight:700;
}
.card h4{
  font-size:1rem;
  color:var(--text);
  margin:16px 0 8px;
  font-weight:700;
  line-height:1.55;
}
.card p{
  font-size:.94rem;
  color:var(--text-soft);
  margin-bottom:10px;
  text-align:justify;
  line-height:1.85;
}
.card p:last-child{margin-bottom:0}

.card ul,
.card ol{margin:12px 0 12px 22px}
.card ul li,
.card ol li{
  font-size:.93rem;
  color:var(--text-soft);
  margin-bottom:7px;
  list-style:disc;
  line-height:1.8;
}
.card ol li{list-style:decimal}
.card ul li::marker{color:var(--brand-light)}
.card ol li::marker{color:var(--brand-light);font-weight:700}

.pill{
  display:inline-block;
  background:var(--bg-soft);
  color:var(--brand);
  font-size:.78rem;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  margin:0 6px 6px 0;
  border:1px solid transparent;
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
  cursor:default;
}
.pill:hover{
  background:var(--brand);
  color:#fff;
  transform:translateY(-2px);
  border-color:var(--brand);
}
body.dark .pill{background:var(--bg-soft);color:var(--brand)}
body.dark .pill:hover{background:var(--brand);color:#0f1522}

.article-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:20px;
}

.article-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease);
  display:flex;
  flex-direction:column;
}
.article-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(58,107,196,.28);
}

.article-thumb{
  position:relative;
  height:150px;
  background:linear-gradient(135deg,#2a5298,#3a6bc4);
  overflow:hidden;
}
.article-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(9,20,40,.35));
  opacity:0;
  transition:opacity .38s var(--ease);
}
.article-card:hover .article-thumb::after{opacity:1}
.article-thumb svg{
  width:100%;
  height:100%;
  transition:transform .6s var(--ease);
}
.article-card:hover .article-thumb svg{transform:scale(1.07)}

.article-body{
  padding:18px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.article-body h3{
  font-size:1rem;
  color:var(--brand);
  margin-bottom:8px;
  line-height:1.55;
  font-weight:700;
  transition:color .25s var(--ease);
}
.article-card:hover .article-body h3{color:var(--brand-deep)}
body.dark .article-card:hover .article-body h3{color:var(--brand-deep)}

.article-meta{
  font-size:.78rem;
  color:var(--text-faint);
  margin-bottom:10px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.article-meta span{position:relative}
.article-meta span+span::before{
  content:"";
  position:absolute;
  left:-7px;
  top:50%;
  width:3px;
  height:3px;
  border-radius:50%;
  background:var(--text-faint);
  transform:translateY(-50%);
}

.article-body p{
  font-size:.86rem;
  color:var(--text-muted);
  flex:1;
  margin-bottom:14px;
  line-height:1.8;
  text-align:justify;
}

.read-more{
  font-size:.85rem;
  font-weight:700;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:5px;
  transition:gap .28s var(--ease),color .28s var(--ease);
}
.article-card:hover .read-more{gap:10px;color:var(--brand-deep)}
.read-more:hover{text-decoration:none}

.faq-item{
  border-bottom:1px solid var(--border);
  padding:0;
  transition:background-color .3s var(--ease);
}
.faq-item:last-child{border-bottom:none}

.faq-question{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding:17px 4px;
  font-size:.98rem;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  line-height:1.65;
  border-radius:var(--radius-sm);
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.faq-question:hover{color:var(--brand);padding-left:10px}
.faq-question .arrow{
  transition:transform .35s var(--ease),color .25s var(--ease);
  flex-shrink:0;
  color:var(--brand);
  font-size:.9rem;
}
.faq-item.open .faq-question{color:var(--brand)}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .45s var(--ease),padding .35s var(--ease),opacity .35s var(--ease);
  padding:0 4px;
  opacity:0;
}
.faq-item.open .faq-answer{
  max-height:700px;
  padding-bottom:18px;
  opacity:1;
}
.faq-answer p{
  font-size:.9rem;
  color:var(--text-soft);
  line-height:1.9;
  text-align:justify;
}

.step-list{counter-reset:step}

.step-item{
  position:relative;
  padding-left:56px;
  margin-bottom:24px;
  counter-increment:step;
  transition:transform .3s var(--ease);
}
.step-item:last-child{margin-bottom:0}
.step-item:hover{transform:translateX(4px)}
.step-item::before{
  content:counter(step);
  position:absolute;
  left:0;
  top:0;
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:.95rem;
  box-shadow:0 6px 18px rgba(26,58,107,.35);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step-item:hover::before{
  transform:scale(1.08);
  box-shadow:0 8px 24px rgba(26,58,107,.5);
}
.step-item h4{
  font-size:1rem;
  margin-bottom:6px;
  color:var(--brand);
  font-weight:700;
}
.step-item p{
  font-size:.9rem;
  color:var(--text-soft);
  line-height:1.8;
}

.sidebar{position:relative}

.sidebar-widget{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  margin-bottom:18px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .35s var(--ease);
}
.sidebar-widget:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
  border-color:rgba(58,107,196,.2);
}
.sidebar-widget h3{
  font-size:1rem;
  color:var(--brand);
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:2px solid var(--border-soft);
  font-weight:700;
}
.sidebar-widget ul li{
  padding:9px 0;
  border-bottom:1px dashed var(--border-soft);
  font-size:.88rem;
  transition:padding-left .25s var(--ease);
}
.sidebar-widget ul li:last-child{border-bottom:none}
.sidebar-widget ul li:hover{padding-left:5px}
.sidebar-widget ul li a{color:var(--text-soft);display:block;line-height:1.7}
.sidebar-widget ul li a:hover{color:var(--brand);text-decoration:none}

.toc-list{counter-reset:toc}
.toc-list li{
  counter-increment:toc;
  padding:7px 0;
  font-size:.88rem;
}
.toc-list li::before{
  content:counter(toc) ". ";
  color:var(--brand);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
  margin-bottom:8px;
}
.contact-item{
  background:var(--bg-soft);
  border:1px solid transparent;
  border-radius:10px;
  padding:16px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease);
}
.contact-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-sm);
  border-color:rgba(58,107,196,.25);
}
.contact-item .label{
  font-size:.8rem;
  color:var(--text-muted);
  margin-bottom:5px;
}
.contact-item .value{
  font-size:.95rem;
  font-weight:700;
  color:var(--brand);
  word-break:break-all;
  line-height:1.6;
}

.case-item{
  border-left:3px solid var(--accent);
  padding-left:18px;
  margin-bottom:20px;
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.case-item:last-child{margin-bottom:0}
.case-item:hover{
  transform:translateX(5px);
  border-color:var(--accent-strong);
}
.case-item h4{
  font-size:.98rem;
  color:var(--brand);
  margin-bottom:6px;
  font-weight:700;
}
.case-item p{
  font-size:.88rem;
  color:var(--text-soft);
  line-height:1.8;
  margin-bottom:0;
}

.testimonial{
  position:relative;
  background:var(--bg-soft);
  border:1px solid transparent;
  border-radius:10px;
  padding:20px 18px 18px;
  margin-bottom:14px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.testimonial:last-child{margin-bottom:0}
.testimonial:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-sm);
  border-color:rgba(58,107,196,.22);
}
.testimonial::before{
  content:"“";
  position:absolute;
  top:4px;
  left:14px;
  font-size:2.6rem;
  color:rgba(58,107,196,.28);
  line-height:1;
  font-family:Georgia,"Times New Roman",serif;
}
body.dark .testimonial::before{color:rgba(111,168,255,.28)}
.testimonial p{
  font-size:.9rem;
  color:var(--text-soft);
  padding-left:28px;
  margin-bottom:10px;
  line-height:1.85;
  text-align:justify;
}
.testimonial .author{
  font-size:.82rem;
  color:var(--text-muted);
  padding-left:28px;
  font-weight:700;
  display:block;
}

.trust-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.trust-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--bg-soft);
  color:var(--brand);
  font-size:.78rem;
  padding:6px 13px;
  border-radius:var(--radius-pill);
  font-weight:700;
  border:1px solid transparent;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease);
}
.trust-badge:hover{
  transform:translateY(-2px);
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(26,58,107,.3);
}
body.dark .trust-badge:hover{color:#0f1522;box-shadow:0 8px 20px rgba(0,0,0,.5)}

.site-footer{
  position:relative;
  background:#141926;
  color:var(--text-soft);
  padding:48px 0 0;
  font-size:.88rem;
  margin-top:20px;
}
body.dark .site-footer{background:#0e121b}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand-light),var(--accent),var(--brand-light));
  background-size:200% 100%;
  animation:footerShine 8s linear infinite;
}
@keyframes footerShine{
  0%{background-position:0% 0}
  100%{background-position:200% 0}
}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:36px;
  padding-bottom:34px;
}
.footer-col h4{
  color:#fff;
  font-size:.95rem;
  margin-bottom:14px;
  font-weight:700;
  letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{
  color:var(--text-soft);
  font-size:.85rem;
  transition:color .25s var(--ease),padding-left .25s var(--ease);
  display:inline-block;
}
.footer-col ul li a:hover{
  color:var(--brand);
  text-decoration:none;
  padding-left:4px;
}
.footer-col p{
  font-size:.85rem;
  line-height:1.85;
  margin-bottom:10px;
  color:var(--text-soft);
}
.footer-col p:last-child{margin-bottom:0}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:.82rem;
  color:var(--text-muted);
}
.footer-bottom a{color:var(--text-soft)}
.footer-bottom a:hover{color:var(--brand)}

.back-to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;
  height:46px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  border:none;
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 24px rgba(26,58,107,.45);
  z-index:999;
  transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease);
}
.back-to-top.show{display:flex;animation:popIn .35s var(--ease)}
.back-to-top:hover{
  transform:translateY(-4px) scale(1.06);
  box-shadow:0 14px 32px rgba(26,58,107,.6);
}
.back-to-top:active{transform:translateY(-1px) scale(.98)}

@keyframes popIn{
  from{opacity:0;transform:translateY(14px) scale(.85)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr 330px;gap:32px}
  .main-layout{grid-template-columns:minmax(0,1fr) 270px;gap:26px}
}

@media (max-width:960px){
  .main-layout{grid-template-columns:1fr}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .carousel{min-height:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
}

@media (max-width:768px){
  html{font-size:15.5px}

  .main-nav{
    display:none;
    position:absolute;
    top:var(--header-h);
    left:0;
    right:0;
    background:var(--surface-glass);
    -webkit-backdrop-filter:blur(18px) saturate(170%);
    backdrop-filter:blur(18px) saturate(170%);
    flex-direction:column;
    align-items:stretch;
    padding:12px;
    box-shadow:0 14px 32px rgba(15,35,70,.18);
    gap:2px;
    border-bottom:1px solid var(--border);
    animation:menuDrop .3s var(--ease);
  }
  body.dark .main-nav{background:rgba(20,25,36,.94)}
  .main-nav.open{display:flex}
  .main-nav a{padding:11px 14px;border-radius:var(--radius-sm)}
  .main-nav a::after{display:none}

  @keyframes menuDrop{
    from{opacity:0;transform:translateY(-10px)}
    to{opacity:1;transform:translateY(0)}
  }

  .mobile-menu-btn{display:flex}
  .search-box{display:none}

  .hero{padding:44px 0 40px}
  .hero h1{font-size:1.52rem;line-height:1.45}
  .hero .hero-lead{font-size:.94rem}
  .hero-stats{gap:20px;margin-bottom:24px}
  .hero-stat .num{font-size:1.55rem}
  .hero-stat .label{font-size:.78rem}

  .carousel{padding:20px;border-radius:var(--radius)}

  .container{padding:0 16px}
  .card{padding:20px}
  .section-title{font-size:1.28rem}
  .section{margin-bottom:38px}

  .article-grid{grid-template-columns:1fr;gap:16px}
  .article-thumb{height:140px}

  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}

  .back-to-top{right:16px;bottom:16px;width:42px;height:42px}

  .step-item{padding-left:50px}
  .step-item::before{width:34px;height:34px;font-size:.88rem}
}

@media (max-width:420px){
  .hero h1{font-size:1.34rem}
  .hero-cta{width:100%}
  .btn{flex:1 1 auto;text-align:center;padding:11px 18px}
  .logo{font-size:1.1rem}
  .logo svg{width:32px;height:32px}
  .card{padding:18px}
  .contact-grid{grid-template-columns:1fr}
}

@media print{
  .site-header,.site-footer,.back-to-top,.carousel,.dark-toggle,.mobile-menu-btn,.search-box,.hero-cta{display:none !important}
  body{background:#fff;color:#000}
  .card,.article-card,.sidebar-widget{box-shadow:none;border:1px solid #ccc}
  .reveal{opacity:1;transform:none}
  a{color:#000;text-decoration:underline}
}