:root{
  --c-bg:#f5f8fb;
  --c-bg-grad:linear-gradient(135deg,#eef4fa 0%,#f8fafc 55%,#fdf6ea 100%);
  --c-surface:#ffffff;
  --c-surface-glass:rgba(255,255,255,.72);
  --c-text:#182a3b;
  --c-text-soft:#4a6076;
  --c-primary:#1a3a5c;
  --c-primary-soft:#2c5a86;
  --c-accent:#f5c26b;
  --c-accent-deep:#e0a544;
  --c-accent-soft:#fbe3b4;
  --c-line:#dde6ee;
  --c-line-soft:rgba(26,58,92,.08);
  --c-alt:#eef3f8;
  --c-hero-grad:linear-gradient(135deg,#1a3a5c 0%,#24507a 50%,#2c5a86 100%);
  --shadow-sm:0 2px 8px rgba(26,58,92,.06);
  --shadow:0 8px 28px rgba(26,58,92,.09);
  --shadow-lg:0 18px 48px rgba(26,58,92,.16);
  --shadow-accent:0 10px 30px rgba(245,194,107,.35);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html[data-theme="dark"]{
  --c-bg:#0c1620;
  --c-bg-grad:linear-gradient(135deg,#0c1620 0%,#10202e 55%,#131e28 100%);
  --c-surface:#152534;
  --c-surface-glass:rgba(21,37,52,.72);
  --c-text:#e6eef5;
  --c-text-soft:#9fb4c6;
  --c-primary:#6fb3d9;
  --c-primary-soft:#9fc0d8;
  --c-accent:#f5c26b;
  --c-accent-deep:#f5c26b;
  --c-accent-soft:#4a3d22;
  --c-line:#243848;
  --c-line-soft:rgba(159,180,198,.12);
  --c-alt:#111f2c;
  --c-hero-grad:linear-gradient(135deg,#0b1a27 0%,#123049 50%,#173a56 100%);
  --shadow-sm:0 2px 8px rgba(0,0,0,.3);
  --shadow:0 8px 28px rgba(0,0,0,.4);
  --shadow-lg:0 18px 48px rgba(0,0,0,.55);
  --shadow-accent:0 10px 30px rgba(245,194,107,.2);
}

*{box-sizing:border-box;}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  scroll-padding-top:120px;
}

body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--c-bg-grad);
  background-attachment:fixed;
  color:var(--c-text);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .4s var(--ease),color .4s var(--ease);
  overflow-x:hidden;
}

h1,h2,h3,h4{
  line-height:1.35;
  margin:0 0 .6em;
  color:var(--c-text);
  font-weight:700;
  letter-spacing:.01em;
}
h1{font-size:clamp(1.55rem,3.2vw,2.3rem);letter-spacing:.01em;}
h2{font-size:clamp(1.3rem,2.4vw,1.78rem);position:relative;}
h3{font-size:1.12rem;}
h4{font-size:1rem;}

p{margin:0 0 1em;color:var(--c-text-soft);}
p:last-child{margin-bottom:0;}

a{
  color:var(--c-primary-soft);
  text-decoration:none;
  transition:color .25s var(--ease);
}
a:hover{color:var(--c-accent-deep);}

ul,ol{margin:0 0 1em;padding-left:1.3em;color:var(--c-text-soft);}
li{margin-bottom:.4em;}

strong{color:var(--c-text);font-weight:700;}

::selection{background:var(--c-accent-soft);color:var(--c-primary);}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
  width:100%;
}

.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--c-primary);
  color:#fff;
  padding:10px 18px;
  z-index:9999;
  border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;top:0;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--c-surface-glass);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--c-line-soft);
  transition:background .4s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-sm);}

.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  padding:12px 20px;
}

.brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-logo{
  display:block;
  border-radius:12px;
  box-shadow:0 4px 14px rgba(26,58,92,.22);
  transition:transform .4s var(--ease);
}
.brand:hover .brand-logo{transform:rotate(-6deg) scale(1.06);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{
  font-weight:800;
  font-size:1.12rem;
  color:var(--c-text);
  letter-spacing:.02em;
}
.brand-slogan{font-size:.71rem;color:var(--c-text-soft);letter-spacing:.05em;}

.main-nav{flex:1;min-width:0;}
.main-nav ul{
  display:flex;
  gap:2px;
  list-style:none;
  margin:0;
  padding:0;
  flex-wrap:wrap;
}
.main-nav a{
  display:block;
  padding:8px 13px;
  border-radius:999px;
  color:var(--c-text-soft);
  font-size:.92rem;
  font-weight:500;
  position:relative;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.main-nav a:hover{
  background:var(--c-alt);
  color:var(--c-primary);
  transform:translateY(-1px);
}

.header-tools{
  display:flex;
  align-items:center;
  gap:9px;
  margin-left:auto;
}

.site-search{
  display:flex;
  align-items:center;
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:4px 5px 4px 15px;
  background:var(--c-bg);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-search:focus-within{
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(245,194,107,.22);
}
.site-search input{
  border:none;
  background:transparent;
  color:var(--c-text);
  outline:none;
  width:168px;
  font-size:.88rem;
  padding:5px 0;
  font-family:inherit;
}
.site-search input::placeholder{color:var(--c-text-soft);opacity:.75;}
.site-search button{
  border:none;
  background:var(--c-primary);
  color:#fff;
  width:31px;height:31px;
  border-radius:50%;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.site-search button:hover{background:var(--c-accent-deep);transform:scale(1.08);}

.theme-toggle,.menu-toggle{
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text);
  width:38px;height:38px;
  border-radius:50%;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:transform .3s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.theme-toggle:hover,.menu-toggle:hover{
  transform:rotate(15deg) scale(1.06);
  border-color:var(--c-accent);
  color:var(--c-accent-deep);
}
html[data-theme="dark"] .theme-toggle svg{color:var(--c-accent);}

.menu-toggle{display:none;flex-direction:column;gap:4px;}
.menu-toggle span{
  width:18px;height:2px;
  background:var(--c-text);
  display:block;
  border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-nav{
  display:none;
  border-top:1px solid var(--c-line-soft);
  padding:12px 20px 16px;
  background:var(--c-surface-glass);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  animation:slideDown .35s var(--ease);
}
.mobile-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:5px;
}
.mobile-nav a{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  color:var(--c-text-soft);
  font-size:.9rem;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.mobile-nav a:hover{background:var(--c-alt);color:var(--c-primary);}
.mobile-nav.is-open{display:block;}

@keyframes slideDown{
  from{opacity:0;transform:translateY(-8px);}
  to{opacity:1;transform:translateY(0);}
}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:64px 0 56px;
  background:var(--c-hero-grad);
  overflow:hidden;
  color:#e8f1f8;
}
.hero::before{
  content:"";
  position:absolute;
  top:-140px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(245,194,107,.28),transparent 68%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  bottom:-180px;left:-140px;
  width:480px;height:480px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(111,179,217,.24),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:44px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-block;
  background:rgba(245,194,107,.16);
  border:1px solid rgba(245,194,107,.42);
  color:#fbe3b4;
  padding:5px 15px;
  border-radius:999px;
  font-size:.79rem;
  letter-spacing:.06em;
  margin-bottom:16px;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.hero h1{
  color:#ffffff;
  margin-bottom:.55em;
  text-shadow:0 2px 18px rgba(0,0,0,.22);
}
.hero-lead{
  color:#c8dbea;
  font-size:1.02rem;
  line-height:1.85;
}
.hero-actions{
  display:flex;
  gap:13px;
  flex-wrap:wrap;
  margin:26px 0 30px;
}

.btn{
  display:inline-block;
  padding:12px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:.94rem;
  letter-spacing:.02em;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-3px);}
.btn-primary{
  background:linear-gradient(135deg,var(--c-accent) 0%,var(--c-accent-deep) 100%);
  color:#2a1f08;
  box-shadow:var(--shadow-accent);
}
.btn-primary:hover{
  color:#2a1f08;
  box-shadow:0 14px 36px rgba(245,194,107,.5);
}
.btn-ghost{
  border-color:rgba(255,255,255,.42);
  color:#eaf3fa;
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.18);
  color:#fff;
  border-color:rgba(255,255,255,.7);
}

.hero-stats{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
}
.hero-stats li{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  padding:14px 10px;
  text-align:center;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:transform .35s var(--ease),background .35s var(--ease),border-color .35s var(--ease);
}
.hero-stats li:hover{
  transform:translateY(-5px);
  background:rgba(255,255,255,.16);
  border-color:rgba(245,194,107,.5);
}
.hero-stats strong{
  display:block;
  font-size:1.45rem;
  color:var(--c-accent);
  font-weight:800;
  line-height:1.2;
  margin-bottom:2px;
}
.hero-stats span{
  font-size:.75rem;
  color:#bcd3e4;
  letter-spacing:.02em;
}

.hero-visual{position:relative;}

.slider{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.4);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.slide{display:none;}
.slide.is-active{display:block;animation:fadeSlide .7s var(--ease);}
.slide svg{display:block;width:100%;height:auto;}
@keyframes fadeSlide{
  from{opacity:0;transform:scale(1.03);}
  to{opacity:1;transform:scale(1);}
}

.slider-dots{
  position:absolute;
  bottom:14px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:9px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(10,22,34,.42);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.dot{
  width:9px;height:9px;
  border-radius:50%;
  border:none;
  background:rgba(255,255,255,.45);
  cursor:pointer;
  padding:0;
  transition:background .3s var(--ease),transform .3s var(--ease),width .3s var(--ease);
}
.dot:hover{background:rgba(255,255,255,.8);}
.dot.is-active{
  background:var(--c-accent);
  width:22px;
  border-radius:999px;
}

/* ============ BREADCRUMB ============ */
.breadcrumb{
  background:var(--c-surface-glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line-soft);
}
.breadcrumb ol{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:12px 0;
  font-size:.84rem;
  color:var(--c-text-soft);
}
.breadcrumb li+li::before{
  content:"›";
  margin-right:8px;
  color:var(--c-text-soft);
  opacity:.6;
}
.breadcrumb a{color:var(--c-text-soft);}
.breadcrumb a:hover{color:var(--c-accent-deep);}
.breadcrumb [aria-current="page"]{color:var(--c-text);font-weight:600;}

/* ============ ANCHOR NAV ============ */
.anchor-nav{
  background:var(--c-surface-glass);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--c-line-soft);
  position:sticky;
  top:63px;
  z-index:90;
}
.anchor-nav ul{
  list-style:none;
  display:flex;
  gap:3px;
  margin:0;
  padding:9px 0;
  overflow-x:auto;
  flex-wrap:nowrap;
  scrollbar-width:none;
}
.anchor-nav ul::-webkit-scrollbar{display:none;}
.anchor-nav a{
  white-space:nowrap;
  padding:6px 14px;
  border-radius:999px;
  font-size:.84rem;
  color:var(--c-text-soft);
  font-weight:500;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.anchor-nav a:hover{
  background:var(--c-accent-soft);
  color:var(--c-primary);
  transform:translateY(-1px);
}

/* ============ SECTIONS ============ */
.section{
  padding:60px 0;
  position:relative;
}
.section-alt{
  background:var(--c-alt);
}
.section-alt::before,.section-alt::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:1px;
  background:var(--c-line-soft);
}
.section-alt::before{top:0;}
.section-alt::after{bottom:0;}

.section-head{
  max-width:780px;
  margin-bottom:34px;
}
.section-head h2{
  padding-bottom:.35em;
  margin-bottom:.45em;
}
.section-head h2::after{
  content:"";
  display:block;
  width:52px;
  height:4px;
  margin-top:12px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-deep));
}
.section-sub{
  color:var(--c-text-soft);
  font-size:.96rem;
  margin:0;
}

/* ============ GRIDS ============ */
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

/* ============ CARDS ============ */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-deep));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .45s var(--ease);
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(245,194,107,.5);
}
.card:hover::before{transform:scaleX(1);}
.card h3{margin-bottom:.55em;}
.card p:last-child{margin-bottom:0;}

.card-wide{
  grid-column:1/-1;
  margin-top:22px;
}

.product-card svg{
  width:100%;
  height:auto;
  border-radius:12px;
  margin-bottom:16px;
  display:block;
  transition:transform .5s var(--ease);
}
.product-card:hover svg{transform:scale(1.03);}

/* ============ TIMELINE ============ */
.timeline{
  list-style:none;
  padding:0;
  margin:0;
  position:relative;
}
.timeline li{
  position:relative;
  padding:0 0 28px 36px;
  border-left:2px solid var(--c-line);
  margin-left:8px;
  transition:border-color .35s var(--ease);
}
.timeline li:last-child{
  border-left-color:transparent;
  padding-bottom:0;
}
.timeline li::before{
  content:"";
  position:absolute;
  left:-9px;
  top:5px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--c-accent);
  border:3px solid var(--c-surface);
  box-shadow:0 0 0 2px var(--c-accent);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.timeline li:hover::before{
  transform:scale(1.25);
  box-shadow:0 0 0 4px rgba(245,194,107,.35);
}
.timeline li:hover{border-left-color:var(--c-accent);}
.timeline h3{margin-bottom:.35em;}

/* ============ REVIEWS ============ */
.review{
  font-style:normal;
  position:relative;
  padding-top:32px;
}
.review::after{
  content:"”";
  position:absolute;
  top:6px;right:22px;
  font-size:3.4rem;
  line-height:1;
  font-family:Georgia,serif;
  color:var(--c-accent);
  opacity:.35;
  pointer-events:none;
}
.review p{
  font-size:.95rem;
  color:var(--c-text);
  line-height:1.8;
}
.review footer{
  font-size:.82rem;
  color:var(--c-text-soft);
  margin-top:14px;
  padding-top:12px;
  border-top:1px dashed var(--c-line);
}

/* ============ META / LINKS ============ */
.meta{
  font-size:.8rem;
  color:var(--c-text-soft);
  margin-bottom:.7em;
  letter-spacing:.02em;
}
.meta time{
  color:var(--c-accent-deep);
  font-weight:600;
}
.read-more{
  font-size:.86rem;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:5px;
  color:var(--c-primary-soft);
  transition:gap .3s var(--ease),color .25s var(--ease);
}
.read-more::after{content:"→";transition:transform .3s var(--ease);}
.read-more:hover{gap:9px;color:var(--c-accent-deep);}

/* ============ INFO / LINK LISTS ============ */
.info-list{
  list-style:none;
  padding:0;
}
.info-list li{
  padding:8px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:.92rem;
  transition:padding-left .25s var(--ease);
}
.info-list li:hover{padding-left:6px;}
.info-list li:last-child{border-bottom:none;}
.info-list strong{color:var(--c-text);}

.link-list{
  list-style:none;
  padding:0;
}
.link-list li{
  padding:5px 0;
}
.link-list a{
  display:inline-block;
  position:relative;
  transition:transform .25s var(--ease),color .25s var(--ease);
}
.link-list a::before{
  content:"›";
  margin-right:8px;
  color:var(--c-accent-deep);
  font-weight:700;
}
.link-list a:hover{transform:translateX(4px);color:var(--c-accent-deep);}

/* ============ FAQ ============ */
.faq-list{
  display:grid;
  gap:12px;
}
.faq-list details{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:0 22px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease);
}
.faq-list details:hover{
  border-color:rgba(245,194,107,.55);
  box-shadow:var(--shadow);
}
.faq-list details[open]{
  border-color:rgba(245,194,107,.7);
  box-shadow:var(--shadow);
}
.faq-list summary{
  cursor:pointer;
  padding:17px 30px 17px 0;
  font-weight:600;
  list-style:none;
  position:relative;
  color:var(--c-text);
  transition:color .25s var(--ease);
  user-select:none;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"+";
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:26px;height:26px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--c-alt);
  color:var(--c-primary);
  font-size:1.15rem;
  font-weight:400;
  line-height:1;
  transition:transform .35s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-list details[open] summary::after{
  content:"−";
  background:var(--c-accent);
  color:#2a1f08;
  transform:translateY(-50%) rotate(180deg);
}
.faq-list summary:hover{color:var(--c-primary);}
.faq-list details p{
  padding-bottom:18px;
  margin:0;
  font-size:.94rem;
  animation:fadeIn .4s var(--ease);
}

@keyframes fadeIn{
  from{opacity:0;transform:translateY(-4px);}
  to{opacity:1;transform:translateY(0);}
}

/* ============ HOWTO ============ */
.howto-steps{
  list-style:none;
  padding:0;
  counter-reset:step;
  margin-top:8px;
}
.howto-steps li{
  counter-increment:step;
  position:relative;
  padding-left:50px;
  margin-bottom:22px;
  transition:transform .3s var(--ease);
}
.howto-steps li:last-child{margin-bottom:0;}
.howto-steps li:hover{transform:translateX(4px);}
.howto-steps li::before{
  content:counter(step);
  position:absolute;
  left:0;
  top:0;
  width:32px;height:32px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-soft) 100%);
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:700;
  font-size:.9rem;
  box-shadow:0 4px 12px rgba(26,58,92,.25);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.howto-steps li:hover::before{
  transform:scale(1.12);
  box-shadow:0 6px 18px rgba(245,194,107,.45);
}
.howto-steps h4{margin-bottom:.3em;color:var(--c-text);}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(160deg,#122a42 0%,#1a3a5c 55%,#1f4a70 100%);
  color:#dce8f2;
  padding:56px 0 24px;
  margin-top:24px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-120px;right:-100px;
  width:400px;height:400px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(245,194,107,.14),transparent 70%);
  pointer-events:none;
}
html[data-theme="dark"] .site-footer{
  background:linear-gradient(160deg,#08121b 0%,#0d1c29 55%,#112536 100%);
}
.site-footer h2{
  color:#fff;
  font-size:1rem;
  margin-bottom:.9em;
  letter-spacing:.04em;
}
.site-footer p,.site-footer li{color:#c4d6e4;}
.site-footer a{
  color:#c4d6e4;
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.site-footer a:hover{color:var(--c-accent);}

.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  position:relative;
  z-index:1;
}
.footer-grid ul{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-grid li{padding:3px 0;}
.footer-meta{
  font-size:.8rem;
  opacity:.72;
  margin-top:14px;
}

.footer-legal{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:40px;
  padding-top:30px;
  border-top:1px solid rgba(255,255,255,.14);
  position:relative;
  z-index:1;
}
.footer-legal h2{
  font-size:.95rem;
  color:var(--c-accent);
  margin-bottom:.6em;
}
.footer-legal p{
  font-size:.82rem;
  line-height:1.75;
  color:#b6cbdb;
}

.footer-bottom{
  margin-top:30px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:.8rem;
  position:relative;
  z-index:1;
}
.footer-bottom p{color:#a8c0d2;margin:0;}

/* ============ BACK TO TOP ============ */
.back-to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  border:none;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-soft) 100%);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px) scale(.9);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s var(--ease),background .3s var(--ease);
  z-index:120;
}
.back-to-top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0) scale(1);
}
.back-to-top:hover{
  background:linear-gradient(135deg,var(--c-accent) 0%,var(--c-accent-deep) 100%);
  color:#2a1f08;
  transform:translateY(-4px) scale(1.05);
  box-shadow:var(--shadow-accent);
}

/* ============ SCROLL REVEAL ============ */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.reveal.is-visible{
  opacity:1;
  transform:none;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero{padding:52px 0 48px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .anchor-nav{top:63px;}
}

@media (max-width:860px){
  .site-search input{width:130px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-2{grid-template-columns:1fr;}
  .card-wide{margin-top:0;}
}

@media (max-width:720px){
  body{font-size:15.5px;line-height:1.75;}
  .site-search{display:none;}
  .header-inner{gap:12px;padding:10px 16px;}
  .brand-slogan{display:none;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .hero{padding:40px 0 36px;}
  .hero-lead{font-size:.96rem;}
  .hero-actions{margin:20px 0 24px;}
  .btn{padding:11px 20px;font-size:.9rem;}
  .section{padding:44px 0;}
  .card{padding:20px;border-radius:14px;}
  .card:hover{transform:translateY(-3px);}
  .section-head{margin-bottom:26px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-legal{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .anchor-nav{display:none;}
  .breadcrumb ol{padding:10px 0;font-size:.8rem;}
  .howto-steps li{padding-left:44px;}
  .faq-list details{padding:0 18px;}
  .back-to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .container{padding:0 16px;}
}

@media (max-width:420px){
  h1{font-size:1.4rem;}
  .hero-stats strong{font-size:1.2rem;}
  .hero-stats span{font-size:.7rem;}
  .hero-stats li{padding:11px 8px;}
  .mobile-nav ul{grid-template-columns:1fr;}
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  *{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* ============ PRINT ============ */
@media print{
  .site-header,.anchor-nav,.back-to-top,.site-search,.hero-visual,.slider-dots{display:none!important;}
  body{background:#fff;color:#000;}
  .card{box-shadow:none;border:1px solid #ccc;break-inside:avoid;}
  .hero{background:none;color:#000;}
  .hero h1,.hero-lead{color:#000;}
  a{color:#000;text-decoration:underline;}
}