:root{
  --brand:#f59e0b;
  --brand-2:#fb923c;
  --brand-dark:#b45309;
  --brand-soft:#fef3c7;
  --bg:#fffdf7;
  --bg-2:#fff7e6;
  --fg:#1f2937;
  --fg-strong:#111827;
  --muted:#6b7280;
  --card:#ffffff;
  --card-glass:rgba(255,255,255,.72);
  --line:#f3e2c0;
  --line-strong:#e8cf9a;
  --shadow-sm:0 2px 8px rgba(180,83,9,.06);
  --shadow-md:0 10px 30px rgba(180,83,9,.10);
  --shadow-lg:0 22px 60px rgba(180,83,9,.16);
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

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

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  background:
    radial-gradient(1200px 600px at 12% -8%,rgba(245,158,11,.14),transparent 60%),
    radial-gradient(900px 500px at 92% 4%,rgba(251,146,60,.12),transparent 55%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  background-attachment:fixed;
  color:var(--fg);
  line-height:1.85;
  font-size:16px;
  min-height:100vh;
  overflow-x:hidden;
  transition:background-color .35s var(--ease),color .35s var(--ease);
}

a{
  color:var(--brand-dark);
  text-decoration:none;
  transition:color .2s var(--ease),opacity .2s var(--ease);
}

a:hover{
  color:var(--brand);
}

a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid rgba(245,158,11,.5);
  outline-offset:2px;
  border-radius:8px;
}

img,svg{
  max-width:100%;
  display:block;
}

::selection{
  background:rgba(245,158,11,.28);
  color:var(--fg-strong);
}

.container{
  width:min(1180px,92%);
  margin:0 auto;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,253,247,.72);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid rgba(243,226,192,.9);
  transition:background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}

.site-header.scrolled{
  box-shadow:0 6px 24px rgba(180,83,9,.08);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:20px;
  color:var(--fg-strong);
  letter-spacing:.2px;
  white-space:nowrap;
}

.brand:hover{
  color:var(--brand-dark);
}

.brand-mark{
  width:38px;
  height:38px;
  flex:0 0 auto;
  filter:drop-shadow(0 4px 10px rgba(245,158,11,.35));
  transition:transform .5s var(--ease);
}

.brand:hover .brand-mark{
  transform:rotate(-8deg) scale(1.06);
}

.nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
  font-size:15px;
}

.nav a{
  position:relative;
  color:var(--fg);
  padding:7px 12px;
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
}

.nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s var(--ease);
}

.nav a:hover{
  color:var(--brand-dark);
  background:rgba(245,158,11,.10);
  text-decoration:none;
}

.nav a:hover::after{
  transform:scaleX(1);
}

.header-tools{
  display:flex;
  align-items:center;
  gap:10px;
}

.search-box{
  display:flex;
  align-items:center;
  border:1px solid var(--line);
  border-radius:999px;
  overflow:hidden;
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow-sm);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}

.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(245,158,11,.16);
  transform:translateY(-1px);
}

.search-box input{
  border:0;
  outline:0;
  padding:8px 14px;
  font-size:14px;
  width:160px;
  background:transparent;
  color:var(--fg);
  font-family:inherit;
}

.search-box input::placeholder{
  color:var(--muted);
}

.search-box button{
  border:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  padding:8px 16px;
  cursor:pointer;
  font-size:14px;
  font-family:inherit;
  font-weight:600;
  transition:filter .2s var(--ease),padding .2s var(--ease);
}

.search-box button:hover{
  filter:brightness(1.06);
}

.icon-btn{
  border:1px solid var(--line);
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-radius:999px;
  width:40px;
  height:40px;
  cursor:pointer;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--fg);
  box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}

.icon-btn:hover{
  transform:translateY(-2px) rotate(6deg);
  border-color:var(--brand);
  box-shadow:var(--shadow-md);
}

.icon-btn:active{
  transform:translateY(0) scale(.96);
}

.mobile-toggle{
  display:none;
}

/* ============ Breadcrumb ============ */
.breadcrumb{
  font-size:14px;
  color:var(--muted);
  padding:14px 0;
}

.breadcrumb a{
  color:var(--muted);
}

.breadcrumb a:hover{
  color:var(--brand-dark);
}

.breadcrumb span{
  color:var(--fg);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:18px 0 6px;
}

.hero-slider{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.6);
  background:
    radial-gradient(700px 320px at 88% 8%,rgba(251,146,60,.30),transparent 60%),
    linear-gradient(135deg,#fff7e6 0%,#fef3c7 45%,#fde68a 100%);
  box-shadow:var(--shadow-lg);
  isolation:isolate;
}

.hero-slider::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(500px 260px at 6% 90%,rgba(245,158,11,.22),transparent 70%),
    radial-gradient(420px 220px at 96% 12%,rgba(251,146,60,.22),transparent 70%);
  z-index:-1;
  pointer-events:none;
}

.slide{
  display:none;
  padding:48px 44px;
  gap:32px;
  align-items:center;
  grid-template-columns:1.25fr .9fr;
  animation:slideFade .6s var(--ease);
}

@keyframes slideFade{
  from{opacity:0;transform:translateY(14px);}
  to{opacity:1;transform:translateY(0);}
}

.slide.active{
  display:grid;
}

.slide h1{
  font-size:36px;
  line-height:1.32;
  margin-bottom:16px;
  color:var(--fg-strong);
  letter-spacing:-.4px;
  font-weight:800;
}

.slide h1 span{
  background:linear-gradient(120deg,var(--brand-dark),var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}

.slide p{
  color:#4b5563;
  font-size:16px;
  margin-bottom:22px;
  max-width:56ch;
}

.slide-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.btn{
  display:inline-block;
  padding:11px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  will-change:transform;
}

.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  box-shadow:0 10px 24px rgba(245,158,11,.34);
}

.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 34px rgba(245,158,11,.44);
  color:#fff;
  text-decoration:none;
}

.btn-primary:active{
  transform:translateY(-1px) scale(.98);
}

.btn-ghost{
  border-color:rgba(180,83,9,.28);
  color:var(--brand-dark);
  background:rgba(255,255,255,.66);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}

.btn-ghost:hover{
  transform:translateY(-3px);
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-dark);
  box-shadow:var(--shadow-md);
  text-decoration:none;
}

.slide svg{
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
  transition:transform .6s var(--ease);
}

.slide:hover svg{
  transform:translateY(-4px) scale(1.015);
}

.slider-dots{
  display:flex;
  gap:8px;
  justify-content:center;
  padding:16px 0 20px;
}

.slider-dots span{
  width:10px;
  height:10px;
  border-radius:50%;
  background:rgba(180,83,9,.22);
  cursor:pointer;
  transition:width .3s var(--ease),background .3s var(--ease),transform .2s var(--ease);
}

.slider-dots span:hover{
  transform:scale(1.2);
  background:rgba(180,83,9,.4);
}

.slider-dots span.active{
  width:28px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}

/* ============ Sections ============ */
.section{
  padding:60px 0;
  position:relative;
}

.section-head{
  max-width:860px;
  margin-bottom:30px;
}

.section-head h2{
  font-size:29px;
  line-height:1.4;
  margin-bottom:14px;
  color:var(--fg-strong);
  letter-spacing:-.3px;
  font-weight:800;
  position:relative;
  padding-left:18px;
}

.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  bottom:.28em;
  width:6px;
  border-radius:6px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  box-shadow:0 0 0 4px rgba(245,158,11,.12);
}

.section-head p{
  color:var(--muted);
  font-size:16px;
}

/* ============ Grid ============ */
.grid{
  display:grid;
  gap:22px;
}

.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ============ Cards ============ */
.card{
  position:relative;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(243,226,192,.95);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease);
  overflow:hidden;
}

.card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(135deg,rgba(245,158,11,.10),transparent 45%);
  opacity:0;
  transition:opacity .35s var(--ease);
  pointer-events:none;
}

.card:hover{
  transform:translateY(-6px);
  border-color:rgba(245,158,11,.55);
  box-shadow:var(--shadow-lg);
}

.card:hover::after{
  opacity:1;
}

.card h3{
  font-size:19px;
  margin-bottom:10px;
  color:var(--fg-strong);
  font-weight:700;
  position:relative;
  z-index:1;
}

.card h4{
  font-size:16px;
  margin:16px 0 8px;
  color:var(--brand-dark);
  font-weight:700;
  position:relative;
  z-index:1;
}

.card p{
  color:var(--muted);
  font-size:15px;
  position:relative;
  z-index:1;
}

.card ul{
  margin:10px 0 0 18px;
  color:var(--muted);
  font-size:15px;
  position:relative;
  z-index:1;
}

.card ul li{
  padding:3px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}

.card ul li:hover{
  color:var(--brand-dark);
  transform:translateX(3px);
}

/* ============ Stats ============ */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:10px;
}

.stat{
  position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.92),rgba(255,247,230,.82));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(243,226,192,.95);
  border-radius:var(--radius);
  padding:24px 18px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
  overflow:hidden;
}

.stat::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .4s var(--ease);
}

.stat:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(245,158,11,.5);
}

.stat:hover::before{
  transform:scaleX(1);
}

.stat b{
  display:block;
  font-size:32px;
  line-height:1.2;
  background:linear-gradient(120deg,var(--brand-dark),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
  font-weight:800;
  letter-spacing:-.5px;
}

.stat span{
  font-size:14px;
  color:var(--muted);
  display:block;
  margin-top:4px;
}

/* ============ Articles ============ */
.article-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}

.article-item{
  position:relative;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(243,226,192,.95);
  border-radius:var(--radius);
  padding:22px;
  display:flex;
  gap:16px;
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}

.article-item:hover{
  transform:translateY(-5px);
  border-color:rgba(245,158,11,.5);
  box-shadow:var(--shadow-lg);
}

.article-thumb{
  flex:0 0 96px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:transform .45s var(--ease);
}

.article-item:hover .article-thumb{
  transform:scale(1.05) rotate(-1.5deg);
}

.article-item h3{
  font-size:17px;
  margin-bottom:6px;
  color:var(--fg-strong);
  font-weight:700;
  line-height:1.5;
  transition:color .2s var(--ease);
}

.article-item:hover h3{
  color:var(--brand-dark);
}

.article-meta{
  font-size:13px;
  color:var(--muted);
  margin-bottom:8px;
}

.article-item p{
  font-size:14px;
  color:var(--muted);
  margin-bottom:10px;
}

.read-more{
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--brand-dark);
  transition:gap .25s var(--ease),color .25s var(--ease);
}

.read-more::after{
  content:"→";
  transition:transform .25s var(--ease);
}

.read-more:hover{
  gap:8px;
  color:var(--brand);
  text-decoration:none;
}

.read-more:hover::after{
  transform:translateX(3px);
}

/* ============ FAQ ============ */
.faq-item{
  border:1px solid rgba(243,226,192,.95);
  border-radius:var(--radius-sm);
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease);
}

.faq-item:hover{
  border-color:rgba(245,158,11,.5);
  box-shadow:var(--shadow-md);
}

.faq-item.open{
  border-color:rgba(245,158,11,.65);
  box-shadow:var(--shadow-md);
  background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(255,247,230,.85));
}

.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:0;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  color:var(--fg-strong);
  font-family:inherit;
  line-height:1.6;
  transition:color .2s var(--ease);
}

.faq-q:hover{
  color:var(--brand-dark);
}

.faq-q span{
  transition:transform .3s var(--ease),color .3s var(--ease);
  color:var(--brand-dark);
  font-size:20px;
  line-height:1;
  flex:0 0 auto;
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(245,158,11,.12);
}

.faq-item.open .faq-q span{
  transform:rotate(45deg);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
}

.faq-a{
  display:none;
  padding:0 20px 18px;
  color:var(--muted);
  font-size:15px;
  animation:faqIn .35s var(--ease);
}

@keyframes faqIn{
  from{opacity:0;transform:translateY(-6px);}
  to{opacity:1;transform:translateY(0);}
}

.faq-item.open .faq-a{
  display:block;
}

/* ============ Steps ============ */
.steps{
  counter-reset:step;
}

.step{
  position:relative;
  padding:22px 22px 22px 74px;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(243,226,192,.95);
  border-radius:var(--radius-sm);
  margin-bottom:14px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}

.step:hover{
  transform:translateX(4px);
  border-color:rgba(245,158,11,.5);
  box-shadow:var(--shadow-md);
}

.step::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;
  left:20px;
  top:20px;
  width:36px;
  height:36px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  box-shadow:0 6px 16px rgba(245,158,11,.35);
  transition:transform .35s var(--ease);
}

.step:hover::before{
  transform:scale(1.1) rotate(-6deg);
}

.step h4{
  margin-bottom:6px;
  color:var(--fg-strong);
  font-size:16px;
  font-weight:700;
}

.step p{
  color:var(--muted);
  font-size:15px;
}

/* ============ Cases & Quotes ============ */
.case-card{
  position:relative;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(243,226,192,.95);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}

.case-card:hover{
  transform:translateY(-6px);
  border-color:rgba(245,158,11,.5);
  box-shadow:var(--shadow-lg);
}

.case-card h3{
  font-size:18px;
  margin-bottom:8px;
  color:var(--fg-strong);
  font-weight:700;
}

.case-card h4{
  font-size:15px;
  margin:12px 0 6px;
  color:var(--brand-dark);
}

.case-card p{
  color:var(--muted);
  font-size:15px;
}

.case-card .tag{
  display:inline-block;
  font-size:12px;
  background:linear-gradient(135deg,rgba(245,158,11,.16),rgba(251,146,60,.16));
  color:var(--brand-dark);
  padding:3px 12px;
  border-radius:999px;
  margin-bottom:10px;
  font-weight:600;
  border:1px solid rgba(245,158,11,.28);
}

.quote{
  position:relative;
  background:linear-gradient(160deg,rgba(255,251,235,.95),rgba(254,243,199,.75));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-left:4px solid var(--brand);
  padding:20px 22px;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#4b5563;
  font-size:15px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}

.quote:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}

.quote::before{
  content:"“";
  position:absolute;
  top:-6px;
  right:14px;
  font-size:56px;
  line-height:1;
  color:rgba(245,158,11,.22);
  font-family:Georgia,serif;
}

.quote cite{
  display:block;
  margin-top:10px;
  font-style:normal;
  font-size:13px;
  color:var(--muted);
}

/* ============ Contact ============ */
.contact-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:24px;
}

.contact-list{
  list-style:none;
}

.contact-list li{
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--muted);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}

.contact-list li:last-child{
  border-bottom:0;
}

.contact-list li:hover{
  color:var(--fg);
  padding-left:4px;
}

.contact-list li b{
  color:var(--fg-strong);
  display:inline-block;
  min-width:90px;
  font-weight:600;
}

/* ============ Sitemap & Links ============ */
.sitemap-links{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  font-size:14px;
}

.sitemap-links a{
  color:var(--muted);
  padding:8px 12px;
  border-radius:10px;
  background:rgba(255,255,255,.6);
  border:1px solid rgba(243,226,192,.9);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}

.sitemap-links a:hover{
  color:var(--brand-dark);
  background:#fff;
  border-color:rgba(245,158,11,.5);
  transform:translateY(-2px);
  text-decoration:none;
}

.friend-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:14px;
}

.friend-links a{
  color:var(--muted);
  position:relative;
  padding-bottom:2px;
}

.friend-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s var(--ease);
}

.friend-links a:hover{
  color:var(--brand-dark);
  text-decoration:none;
}

.friend-links a:hover::after{
  transform:scaleX(1);
}

/* ============ Footer ============ */
.site-footer{
  position:relative;
  background:
    radial-gradient(600px 300px at 12% 0%,rgba(245,158,11,.14),transparent 60%),
    linear-gradient(180deg,#1f2937 0%,#111827 100%);
  color:#d1d5db;
  padding:52px 0 26px;
  margin-top:24px;
}

.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand));
}

.site-footer a{
  color:#d1d5db;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}

.site-footer a:hover{
  color:var(--brand);
  text-decoration:none;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:28px;
}

.footer-grid h4{
  color:#fff;
  font-size:16px;
  margin-bottom:14px;
  position:relative;
  padding-bottom:8px;
}

.footer-grid h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:28px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}

.footer-grid ul{
  list-style:none;
  font-size:14px;
}

.footer-grid li{
  margin-bottom:9px;
}

.footer-grid li a:hover{
  padding-left:4px;
}

.footer-bottom{
  border-top:1px solid #374151;
  margin-top:34px;
  padding-top:20px;
  font-size:13px;
  color:#9ca3af;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}

.legal{
  font-size:13px;
  color:var(--muted);
  padding:0 0 20px;
}

/* ============ Back Top ============ */
.back-top{
  position:fixed;
  right:20px;
  bottom:24px;
  width:46px;
  height:46px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  border:0;
  cursor:pointer;
  font-size:20px;
  display:none;
  z-index:200;
  box-shadow:0 10px 26px rgba(245,158,11,.4);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),opacity .25s var(--ease);
}

.back-top.show{
  display:block;
  animation:backTopIn .3s var(--ease);
}

@keyframes backTopIn{
  from{opacity:0;transform:translateY(12px) scale(.9);}
  to{opacity:1;transform:translateY(0) scale(1);}
}

.back-top:hover{
  transform:translateY(-4px) scale(1.06);
  box-shadow:0 16px 34px rgba(245,158,11,.5);
}

.back-top:active{
  transform:translateY(-1px) scale(.98);
}

/* ============ Reveal Animation ============ */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  will-change:opacity,transform;
}

.reveal.visible{
  opacity:1;
  transform:none;
}

.reveal.visible:nth-child(2){transition-delay:.06s;}
.reveal.visible:nth-child(3){transition-delay:.12s;}
.reveal.visible:nth-child(4){transition-delay:.18s;}
.reveal.visible:nth-child(5){transition-delay:.24s;}
.reveal.visible:nth-child(6){transition-delay:.30s;}

/* ============ Dark Mode ============ */
body.dark{
  --bg:#0b1120;
  --bg-2:#111827;
  --fg:#e5e7eb;
  --fg-strong:#f9fafb;
  --muted:#9ca3af;
  --card:#1f2937;
  --card-glass:rgba(31,41,55,.72);
  --line:#374151;
  --line-strong:#4b5563;
  --brand-soft:#3f2d0b;
  --shadow-sm:0 2px 8px rgba(0,0,0,.35);
  --shadow-md:0 10px 30px rgba(0,0,0,.45);
  --shadow-lg:0 22px 60px rgba(0,0,0,.55);
  background:
    radial-gradient(1200px 600px at 12% -8%,rgba(245,158,11,.14),transparent 60%),
    radial-gradient(900px 500px at 92% 4%,rgba(251,146,60,.10),transparent 55%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  background-attachment:fixed;
}

body.dark .site-header{
  background:rgba(11,17,32,.72);
  border-bottom-color:rgba(55,65,81,.9);
}

body.dark .search-box,
body.dark .icon-btn,
body.dark .btn-ghost,
body.dark .stat,
body.dark .card,
body.dark .article-item,
body.dark .faq-item,
body.dark .step,
body.dark .case-card,
body.dark .hero-slider{
  background:rgba(31,41,55,.72);
  border-color:rgba(55,65,81,.95);
}

body.dark .hero-slider{
  background:
    radial-gradient(700px 320px at 88% 8%,rgba(251,146,60,.16),transparent 60%),
    linear-gradient(135deg,#1f2937 0%,#111827 100%);
}

body.dark .slide p{
  color:#cbd5e1;
}

body.dark .quote{
  background:linear-gradient(160deg,rgba(31,41,55,.95),rgba(17,24,39,.85));
  color:#cbd5e1;
}

body.dark .faq-q{
  color:var(--fg-strong);
}

body.dark .faq-item.open{
  background:linear-gradient(160deg,rgba(31,41,55,.95),rgba(17,24,39,.85));
}

body.dark .sitemap-links a{
  background:rgba(31,41,55,.7);
  border-color:rgba(55,65,81,.95);
}

body.dark .sitemap-links a:hover{
  background:#1f2937;
}

body.dark .nav.open{
  background:#111827;
}

body.dark .slider-dots span{
  background:rgba(245,158,11,.28);
}

body.dark .slider-dots span.active{
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}

/* ============ Responsive ============ */
@media (max-width:1080px){
  .nav{
    gap:2px;
    font-size:14px;
  }
  .nav a{
    padding:6px 9px;
  }
  .search-box input{
    width:130px;
  }
}

@media (max-width:920px){
  .grid-3,
  .grid-4,
  .stat-row,
  .article-list,
  .grid-2,
  .contact-grid,
  .footer-grid,
  .sitemap-links{
    grid-template-columns:1fr 1fr;
  }
  .slide.active{
    grid-template-columns:1fr;
  }
  .slide{
    padding:36px 30px;
  }
  .slide h1{
    font-size:28px;
  }
  .section{
    padding:48px 0;
  }
  .section-head h2{
    font-size:25px;
  }
  .header-inner{
    flex-wrap:wrap;
  }
  .nav{
    order:3;
    width:100%;
    justify-content:center;
    padding-top:4px;
  }
}

@media (max-width:640px){
  body{
    font-size:15px;
    line-height:1.8;
  }
  .nav{
    display:none;
  }
  .mobile-toggle{
    display:flex;
  }
  .nav.open{
    display:flex;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:rgba(255,253,247,.96);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    flex-direction:column;
    align-items:stretch;
    padding:12px 6% 18px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    animation:navIn .3s var(--ease);
    order:0;
    width:auto;
    gap:2px;
  }
  @keyframes navIn{
    from{opacity:0;transform:translateY(-8px);}
    to{opacity:1;transform:translateY(0);}
  }
  .nav.open a{
    padding:11px 14px;
    border-radius:10px;
    font-size:15px;
  }
  .nav.open a::after{
    display:none;
  }
  .grid-3,
  .grid-4,
  .stat-row,
  .article-list,
  .grid-2,
  .contact-grid,
  .footer-grid,
  .sitemap-links{
    grid-template-columns:1fr;
  }
  .search-box input{
    width:96px;
    padding:8px 10px;
  }
  .search-box button{
    padding:8px 12px;
  }
  .header-tools{
    gap:6px;
  }
  .icon-btn{
    width:36px;
    height:36px;
    font-size:15px;
  }
  .brand{
    font-size:17px;
  }
  .brand-mark{
    width:32px;
    height:32px;
  }
  .slide{
    padding:26px 20px;
    gap:20px;
  }
  .slide h1{
    font-size:23px;
    line-height:1.4;
  }
  .slide p{
    font-size:15px;
  }
  .btn{
    padding:10px 18px;
    font-size:14px;
  }
  .section{
    padding:38px 0;
  }
  .section-head{
    margin-bottom:22px;
  }
  .section-head h2{
    font-size:21px;
    padding-left:14px;
  }
  .section-head h2::before{
    width:4px;
  }
  .card,
  .case-card{
    padding:20px;
  }
  .article-item{
    padding:18px;
    gap:12px;
  }
  .article-thumb{
    flex:0 0 72px;
  }
  .article-item h3{
    font-size:16px;
  }
  .stat b{
    font-size:26px;
  }
  .step{
    padding:18px 18px 18px 62px;
  }
  .step::before{
    left:14px;
    top:16px;
    width:32px;
    height:32px;
  }
  .faq-q{
    padding:15px 16px;
    font-size:15px;
  }
  .faq-a{
    padding:0 16px 16px;
    font-size:14px;
  }
  .back-top{
    right:14px;
    bottom:16px;
    width:42px;
    height:42px;
    font-size:18px;
  }
  .footer-bottom{
    flex-direction:column;
    font-size:12px;
  }
  .site-footer{
    padding:38px 0 20px;
  }
}

@media (max-width:400px){
  .brand span{
    font-size:15px;
  }
  .search-box input{
    width:76px;
  }
  .slide h1{
    font-size:21px;
  }
}

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

/* ============ Print ============ */
@media print{
  .site-header,
  .back-top,
  .slider-dots,
  .search-box,
  .icon-btn,
  .hero-slider{
    display:none !important;
  }
  body{
    background:#fff;
    color:#000;
  }
  .card,
  .article-item,
  .faq-item,
  .step,
  .case-card{
    box-shadow:none;
    border:1px solid #ddd;
    background:#fff;
  }
}