:root{
  --brand:#f5a623;
  --brand-2:#ff7a45;
  --brand-3:#ffd27a;
  --brand-dark:#d9861a;
  --ink:#1f2328;
  --ink-2:#4a5158;
  --ink-3:#7a828b;
  --bg:#ffffff;
  --bg-2:#faf7f2;
  --bg-3:#f3ede3;
  --line:#ece5da;
  --line-2:#e0d6c6;
  --glass:rgba(255,255,255,.72);
  --glass-line:rgba(255,255,255,.55);
  --radius:16px;
  --radius-lg:22px;
  --radius-sm:10px;
  --shadow:0 8px 28px rgba(31,35,40,.08);
  --shadow-lg:0 18px 48px rgba(31,35,40,.14);
  --shadow-brand:0 10px 26px rgba(245,166,35,.34);
  --grad-brand:linear-gradient(135deg,#ffd27a 0%,#f5a623 48%,#ff7a45 100%);
  --grad-soft:linear-gradient(135deg,rgba(245,166,35,.14),rgba(255,122,69,.08));
  --ease:cubic-bezier(.4,.1,.2,1);
  --t:.32s var(--ease);
}

body.dark{
  --ink:#e8eaed;
  --ink-2:#b3b8bf;
  --ink-3:#8b939c;
  --bg:#14171a;
  --bg-2:#1b1f23;
  --bg-3:#22272c;
  --line:#2c3238;
  --line-2:#3a424a;
  --glass:rgba(27,31,35,.72);
  --glass-line:rgba(255,255,255,.08);
  --shadow:0 8px 28px rgba(0,0,0,.42);
  --shadow-lg:0 18px 48px rgba(0,0,0,.58);
  --shadow-brand:0 10px 26px rgba(245,166,35,.24);
  --grad-soft:linear-gradient(135deg,rgba(245,166,35,.16),rgba(255,122,69,.08));
}

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

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

body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  transition:background-color .4s var(--ease),color .4s var(--ease);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(60vw 60vw at 88% -10%,rgba(245,166,35,.10),transparent 62%),
    radial-gradient(46vw 46vw at -8% 12%,rgba(255,122,69,.07),transparent 60%);
}
body.dark::before{
  background:
    radial-gradient(60vw 60vw at 88% -10%,rgba(245,166,35,.10),transparent 62%),
    radial-gradient(46vw 46vw at -8% 12%,rgba(255,122,69,.08),transparent 60%);
}

a{color:var(--brand-dark);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

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

::selection{background:rgba(245,166,35,.30);color:var(--ink)}

:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px;position:relative;z-index:1}

.skip{position:absolute;left:-9999px;top:0}
.skip:focus{
  left:12px;top:12px;z-index:999;
  background:var(--brand);color:#fff;
  padding:10px 16px;border-radius:10px;font-weight:700;
  box-shadow:var(--shadow-brand);
}

/* ============ Header ============ */
header.site{
  position:sticky;top:0;z-index:100;
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid var(--line);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
header.site::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(245,166,35,.45),transparent);
  opacity:.7;pointer-events:none;
}

.nav{display:flex;align-items:center;gap:18px;height:68px}

.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:19px;color:var(--ink);
  letter-spacing:.2px;flex:none;
  transition:transform var(--t),color var(--t);
}
.logo:hover{text-decoration:none;color:var(--ink);transform:translateY(-1px)}
.logo .mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  color:#fff;font-size:18px;font-weight:900;
  box-shadow:var(--shadow-brand);
  transition:transform .5s var(--ease),box-shadow var(--t);
}
.logo:hover .mark{transform:rotate(-8deg) scale(1.06)}

.nav ul{
  display:flex;gap:2px;list-style:none;flex:1;flex-wrap:wrap;
  min-width:0;
}
.nav ul a{
  display:block;padding:8px 12px;border-radius:9px;
  color:var(--ink-2);font-size:15px;white-space:nowrap;
  transition:background var(--t),color var(--t),transform var(--t);
}
.nav ul a:hover{
  background:var(--grad-soft);
  color:var(--brand-dark);
  text-decoration:none;
  transform:translateY(-1px);
}

.tools{display:flex;align-items:center;gap:8px;flex:none}

.search{
  display:flex;align-items:center;
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 4px 4px 14px;
  background:var(--bg-2);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(245,166,35,.14);
  background:var(--bg);
}
.search input{
  border:none;background:transparent;outline:none;
  width:130px;font-size:14px;color:var(--ink);
  font-family:inherit;
}
.search input::placeholder{color:var(--ink-3)}
.search button{
  border:none;background:var(--brand);color:#fff;
  border-radius:999px;padding:7px 15px;font-size:14px;
  font-family:inherit;font-weight:600;cursor:pointer;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.search button:hover{background:var(--brand-dark);transform:scale(1.04);box-shadow:var(--shadow-brand)}

.icon-btn{
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--ink);
  width:40px;height:40px;border-radius:11px;
  cursor:pointer;font-size:16px;
  display:grid;place-items:center;
  font-family:inherit;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.icon-btn:hover{
  background:var(--grad-soft);
  color:var(--brand-dark);
  border-color:var(--brand);
  transform:translateY(-1px);
  box-shadow:var(--shadow);
}
.icon-btn:active{transform:scale(.95)}

.menu-btn{display:none}

.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  animation:slideDown .3s var(--ease);
}
.mobile-menu.open{display:block}
.mobile-menu ul{list-style:none;padding:8px 20px 16px}
.mobile-menu a{
  display:block;padding:12px 8px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);border-radius:8px;
  transition:background var(--t),color var(--t),padding-left var(--t);
}
.mobile-menu a:hover{
  background:var(--grad-soft);color:var(--brand-dark);
  text-decoration:none;padding-left:14px;
}

@keyframes slideDown{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:none}
}

/* ============ Breadcrumb ============ */
.breadcrumb{
  font-size:13.5px;color:var(--ink-2);
  padding:18px 0 0;
}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-dark);text-decoration:none}
.breadcrumb [aria-current]{color:var(--brand-dark);font-weight:600}

/* ============ Hero ============ */
.hero{
  padding:30px 0 14px;
  position:relative;
}
.hero::before{
  content:"";
  position:absolute;left:50%;top:-40px;transform:translateX(-50%);
  width:min(1200px,96vw);height:520px;
  background:var(--grad-soft);
  filter:blur(70px);
  border-radius:50%;
  opacity:.8;pointer-events:none;z-index:0;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:38px;
  align-items:center;
}

.hero h1{
  font-size:clamp(28px,3.6vw,43px);
  line-height:1.26;
  letter-spacing:-.6px;
  margin-bottom:18px;
  font-weight:800;
}
.hero h1 em{
  font-style:normal;
  color:var(--brand-dark);
  background:linear-gradient(180deg,transparent 64%,rgba(245,166,35,.30) 64%);
  padding:0 2px;
}
body.dark .hero h1 em{color:var(--brand-3)}

.hero p.lead{
  font-size:17px;
  color:var(--ink-2);
  margin-bottom:24px;
  max-width:58ch;
}

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

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  font-family:inherit;
  position:relative;overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.42) 50%,transparent 70%);
  transform:translateX(-120%);
  transition:transform .7s var(--ease);
  pointer-events:none;
}
.btn:hover::after{transform:translateX(120%)}

.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--shadow-brand);
}
.btn-primary:hover{
  color:#fff;text-decoration:none;
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(245,166,35,.46);
}
.btn-primary:active{transform:translateY(0) scale(.98)}

.btn-ghost{
  background:var(--glass);
  color:var(--ink);
  border-color:var(--line-2);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:var(--grad-soft);
  color:var(--brand-dark);
  border-color:var(--brand);
  text-decoration:none;
  transform:translateY(-2px);
}

.stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:14px;margin-top:30px;
}
.stat{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:15px 16px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.stat:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
  border-color:rgba(245,166,35,.5);
}
.stat b{
  display:block;font-size:25px;
  color:var(--brand-dark);
  line-height:1.2;font-weight:800;
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
}
body.dark .stat b{color:var(--brand-3)}
.stat span{font-size:13px;color:var(--ink-2);display:block;margin-top:2px}

/* ============ Carousel ============ */
.carousel{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  background:var(--bg-2);
  transition:box-shadow var(--t),transform var(--t);
}
.carousel:hover{box-shadow:0 24px 60px rgba(31,35,40,.2);transform:translateY(-2px)}
body.dark .carousel:hover{box-shadow:0 24px 60px rgba(0,0,0,.7)}

.slides{
  display:flex;
  transition:transform .65s cubic-bezier(.5,.1,.2,1);
  will-change:transform;
}
.slide{min-width:100%;position:relative}
.slide svg{width:100%;height:auto;display:block}

.slide .cap{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(20,23,26,.68);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  color:#fff;
  padding:11px 15px;
  border-radius:12px;
  font-size:14px;
  line-height:1.55;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 6px 18px rgba(0,0,0,.22);
}

.dots{
  position:absolute;right:14px;top:14px;
  display:flex;gap:6px;z-index:2;
}
.dots button{
  width:9px;height:9px;border-radius:50%;
  border:none;background:rgba(255,255,255,.55);
  cursor:pointer;padding:0;
  transition:background var(--t),width var(--t),transform var(--t);
}
.dots button:hover{background:rgba(255,255,255,.9);transform:scale(1.2)}
.dots button.on{
  background:var(--brand);
  width:24px;border-radius:5px;
}

/* ============ Sections ============ */
section{
  padding:52px 0;
  position:relative;
  scroll-margin-top:84px;
}
section.alt{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.sec-head{max-width:840px;margin-bottom:28px}
.sec-head .tag{
  display:inline-block;
  font-size:12.5px;font-weight:700;
  color:var(--brand-dark);
  background:rgba(245,166,35,.14);
  border:1px solid rgba(245,166,35,.22);
  padding:4px 13px;border-radius:999px;
  margin-bottom:12px;letter-spacing:.6px;
}
body.dark .sec-head .tag{color:var(--brand-3)}
.sec-head h2{
  font-size:clamp(23px,2.6vw,31px);
  line-height:1.34;
  margin-bottom:10px;
  letter-spacing:-.3px;
  font-weight:800;
}
.sec-head p{color:var(--ink-2);font-size:16px}

/* ============ Grids ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* ============ Card ============ */
.card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .45s var(--ease);
}
.card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(245,166,35,.42);
}
.card:hover::before{transform:scaleX(1)}

.card h3{
  font-size:18px;margin-bottom:9px;
  font-weight:800;letter-spacing:-.2px;
}
.card h4{
  font-size:15.5px;margin:15px 0 6px;
  color:var(--ink);font-weight:700;
}
.card h4:first-child{margin-top:0}
.card p{color:var(--ink-2);font-size:15px}
.card p+p{margin-top:10px}
.card ul,.card ol{margin:10px 0 0 20px;color:var(--ink-2);font-size:15px}
.card ul li,.card ol li{margin-bottom:7px}
.card ul li::marker{color:var(--brand)}
.card ol li::marker{color:var(--brand);font-weight:700}
.card strong{color:var(--ink)}

.card .ico{
  width:46px;height:46px;border-radius:13px;
  background:var(--grad-soft);
  border:1px solid rgba(245,166,35,.22);
  display:grid;place-items:center;
  margin-bottom:14px;
  color:var(--brand-dark);
  font-weight:900;font-size:17px;
  transition:transform .45s var(--ease),box-shadow var(--t);
}
body.dark .card .ico{color:var(--brand-3)}
.card:hover .ico{
  transform:rotate(-8deg) scale(1.08);
  box-shadow:var(--shadow-brand);
}

/* ============ Reveal ============ */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.reveal.in{opacity:1;transform:none}

.grid-3 .reveal:nth-child(2),
.grid-2 .reveal:nth-child(2),
.grid-4 .reveal:nth-child(2){transition-delay:.06s}
.grid-3 .reveal:nth-child(3),
.grid-4 .reveal:nth-child(3){transition-delay:.12s}
.grid-4 .reveal:nth-child(4){transition-delay:.18s}

/* ============ Prose ============ */
.prose{max-width:920px}
.prose h2{
  font-size:clamp(22px,2.4vw,28px);
  margin:36px 0 12px;
  line-height:1.4;
  font-weight:800;
  letter-spacing:-.3px;
}
.prose h3{
  font-size:19px;
  margin:26px 0 9px;
  font-weight:800;
  padding-left:13px;
  position:relative;
  line-height:1.45;
}
.prose h3::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.28em;
  width:4px;border-radius:3px;
  background:var(--grad-brand);
}
.prose h4{font-size:16.5px;margin:18px 0 6px;font-weight:700}
.prose p{margin-bottom:14px;color:var(--ink-2);font-size:16px}
.prose ul,.prose ol{margin:0 0 16px 22px;color:var(--ink-2)}
.prose li{margin-bottom:7px}
.prose li::marker{color:var(--brand)}
.prose strong{color:var(--ink)}
.prose .tag{margin-bottom:8px}

/* ============ Anchor nav ============ */
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:8px;
  margin:18px 0 8px;
}
.anchor-nav a{
  font-size:13.5px;
  padding:7px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:var(--ink-2);
  transition:border-color var(--t),color var(--t),background var(--t),transform var(--t),box-shadow var(--t);
}
.anchor-nav a:hover{
  border-color:var(--brand);
  color:var(--brand-dark);
  text-decoration:none;
  background:var(--grad-soft);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}

/* ============ Post ============ */
.post{
  display:flex;flex-direction:column;gap:9px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  position:relative;
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post::after{
  content:"";
  position:absolute;right:-40px;top:-40px;
  width:120px;height:120px;border-radius:50%;
  background:var(--grad-soft);
  opacity:0;
  transition:opacity var(--t),transform .5s var(--ease);
  pointer-events:none;
}
.post:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(245,166,35,.42);
}
.post:hover::after{opacity:1;transform:scale(1.3)}

.post .meta{
  font-size:12.5px;color:var(--ink-3);
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  position:relative;z-index:1;
}
.post .meta .cat{
  color:var(--brand-dark);
  font-weight:700;
  background:rgba(245,166,35,.14);
  padding:2px 10px;border-radius:999px;
  font-size:12px;
}
body.dark .post .meta .cat{color:var(--brand-3)}
.post h3{
  font-size:17px;line-height:1.48;
  font-weight:800;letter-spacing:-.2px;
  position:relative;z-index:1;
}
.post p{
  font-size:14.5px;color:var(--ink-2);flex:1;
  position:relative;z-index:1;
}
.post .more{
  font-size:14px;font-weight:700;
  color:var(--brand-dark);
  align-self:flex-start;
  position:relative;z-index:1;
  transition:transform var(--t),color var(--t);
}
.post .more:hover{text-decoration:none;color:var(--brand);transform:translateX(4px)}

/* ============ FAQ ============ */
.faq{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.faq details{
  border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.faq details:last-child{border-bottom:none}
.faq details[open]{background:var(--grad-soft)}
.faq details:hover{background:rgba(245,166,35,.06)}

.faq summary{
  cursor:pointer;
  padding:17px 22px;
  font-weight:700;font-size:15.5px;
  list-style:none;
  display:flex;justify-content:space-between;
  gap:14px;align-items:flex-start;
  transition:color var(--t);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::marker{content:""}
.faq summary:hover{color:var(--brand-dark)}
.faq summary::after{
  content:"+";
  color:var(--brand-dark);
  font-size:21px;line-height:1;
  flex:none;font-weight:400;
  transition:transform var(--t),color var(--t);
}
body.dark .faq summary::after{color:var(--brand-3)}
.faq details[open] summary::after{content:"–";transform:rotate(180deg)}

.faq .ans{
  padding:0 22px 20px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.8;
  animation:fadeIn .35s var(--ease);
}

@keyframes fadeIn{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:none}
}

/* ============ Steps ============ */
.steps{
  counter-reset:step;
  display:grid;gap:14px;
}
.step{
  position:relative;
  padding:19px 22px 19px 66px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{
  transform:translateX(4px);
  box-shadow:var(--shadow);
  border-color:rgba(245,166,35,.42);
}
.step::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;left:19px;top:17px;
  width:32px;height:32px;border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:14px;
  box-shadow:var(--shadow-brand);
  transition:transform var(--t);
}
.step:hover::before{transform:scale(1.1) rotate(-6deg)}
.step h4{font-size:16px;margin-bottom:5px;font-weight:800}
.step p{font-size:14.5px;color:var(--ink-2)}

/* ============ Quote ============ */
.quote{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:12px;
  padding:20px 22px;
  position:relative;
  transition:transform var(--t),box-shadow var(--t);
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quote p{
  font-size:15px;color:var(--ink-2);
  margin-bottom:12px;line-height:1.8;
}
.quote p::before{
  content:"“";
  font-size:34px;line-height:0;
  color:var(--brand);
  vertical-align:-8px;
  margin-right:2px;
  font-family:Georgia,serif;
}
.quote footer{
  font-size:13.5px;color:var(--ink);
  font-weight:700;
}
.quote footer span{font-weight:400;color:var(--ink-3)}

/* ============ Team ============ */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.member{
  text-align:center;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 15px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.member:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(245,166,35,.42);
}
.member .avatar{
  width:68px;height:68px;border-radius:50%;
  margin:0 auto 12px;
  overflow:hidden;
  border:2px solid var(--line);
  transition:transform .45s var(--ease),border-color var(--t),box-shadow var(--t);
}
.member:hover .avatar{
  transform:scale(1.07);
  border-color:var(--brand);
  box-shadow:var(--shadow-brand);
}
.member b{display:block;font-size:15px;font-weight:800}
.member span{
  display:block;font-size:13px;
  color:var(--brand-dark);
  font-weight:600;margin-top:2px;
}
body.dark .member span{color:var(--brand-3)}
.member p{font-size:13px;color:var(--ink-2);margin-top:8px;line-height:1.7}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.info-list{list-style:none;display:grid;gap:13px;margin:0}
.info-list li{
  display:flex;gap:12px;font-size:15px;
  color:var(--ink-2);
  padding-bottom:12px;
  border-bottom:1px dashed var(--line);
}
.info-list li:last-child{border-bottom:none;padding-bottom:0}
.info-list li b{
  color:var(--ink);
  min-width:78px;
  display:inline-block;
  flex:none;
  font-weight:700;
}

.map{
  background:var(--bg-2);
  border:1px dashed var(--line-2);
  border-radius:var(--radius);
  padding:22px;
  font-size:14.5px;
  color:var(--ink-2);
  margin-top:16px;
  line-height:1.8;
  transition:border-color var(--t),background var(--t);
}
.map:hover{border-color:var(--brand);background:var(--grad-soft)}
.map strong{color:var(--ink)}

/* ============ Notice ============ */
.notice{
  font-size:13.5px;
  color:var(--ink-2);
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:10px;
  padding:14px 18px;
  margin-top:20px;
  line-height:1.8;
  transition:border-color var(--t),box-shadow var(--t);
}
.notice:hover{box-shadow:var(--shadow)}
.notice strong{color:var(--ink)}

/* ============ Footer ============ */
footer.site{
  background:linear-gradient(180deg,#1b1f23 0%,#14171a 100%);
  color:#c8ccd2;
  padding:48px 0 28px;
  margin-top:20px;
  position:relative;
  z-index:1;
}
footer.site::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);
  opacity:.85;
}
footer.site a{color:#e6e8eb;transition:color var(--t)}
footer.site a:hover{color:var(--brand-3);text-decoration:none}

.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:30px;
}
.foot-grid h4{
  color:#fff;font-size:15px;
  margin-bottom:14px;font-weight:800;
  position:relative;padding-bottom:8px;
}
.foot-grid h4::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:26px;height:2px;border-radius:2px;
  background:var(--grad-brand);
}
.foot-grid ul{list-style:none;display:grid;gap:9px;font-size:14px}
.foot-grid ul a{
  display:inline-block;
  transition:transform var(--t),color var(--t);
}
.foot-grid ul a:hover{transform:translateX(4px)}
footer.site p{
  font-size:13.5px;color:#9aa1a9;
  line-height:1.85;
}

.foot-bottom{
  border-top:1px solid #2c3238;
  margin-top:30px;padding-top:20px;
  display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  font-size:13px;color:#9aa1a9;
}

/* ============ Back to top ============ */
#toTop{
  position:fixed;right:20px;bottom:24px;
  width:48px;height:48px;border-radius:50%;
  border:none;
  background:var(--grad-brand);
  color:#fff;font-size:19px;
  cursor:pointer;
  box-shadow:var(--shadow-brand);
  opacity:0;pointer-events:none;
  transform:translateY(14px) scale(.9);
  transition:opacity var(--t),transform var(--t),box-shadow var(--t);
  z-index:90;
  font-family:inherit;
  display:grid;place-items:center;
}
#toTop.show{opacity:1;pointer-events:auto;transform:none}
#toTop:hover{
  transform:translateY(-3px) scale(1.06);
  box-shadow:0 16px 36px rgba(245,166,35,.5);
}
#toTop:active{transform:scale(.94)}

/* ============ Responsive ============ */
@media(max-width:1080px){
  .nav ul a{padding:8px 9px;font-size:14.5px}
  .search input{width:110px}
}

@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero::before{height:380px}
  .grid-3,.grid-4,.team{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .contact-grid{grid-template-columns:1fr}
  .nav ul{display:none}
  .menu-btn{display:grid}
  .search input{width:96px}
  .hero p.lead{max-width:none}
}

@media(max-width:720px){
  .nav{height:62px;gap:12px}
  .logo{font-size:17.5px}
  .logo .mark{width:34px;height:34px;font-size:16px}
  .search{display:none}
  .card,.post{padding:20px}
  .sec-head h2{letter-spacing:-.2px}
}

@media(max-width:600px){
  body{font-size:15.5px;line-height:1.72}
  .grid-3,.grid-4,.grid-2,.team,.stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .hero{padding-top:16px}
  .hero h1{margin-bottom:14px}
  .hero p.lead{font-size:16px;margin-bottom:20px}
  section{padding:38px 0;scroll-margin-top:74px}
  .wrap{padding:0 16px}
  .cta{gap:10px}
  .btn{padding:11px 20px;font-size:14.5px;flex:1;justify-content:center}
  .stats{gap:10px;margin-top:22px}
  .stat{padding:13px 15px}
  .stat b{font-size:22px}
  .card{padding:18px}
  .post{padding:18px}
  .faq summary{padding:15px 17px;font-size:15px}
  .faq .ans{padding:0 17px 17px}
  .step{padding:17px 18px 17px 58px}
  .step::before{left:16px;top:15px;width:28px;height:28px;font-size:13px}
  .quote{padding:17px 18px}
  .slide .cap{font-size:12.5px;padding:9px 12px;left:12px;right:12px;bottom:12px}
  .dots{right:11px;top:11px}
  .info-list li{flex-direction:column;gap:2px}
  .info-list li b{min-width:0}
  .foot-bottom{flex-direction:column;gap:8px;font-size:12.5px}
  #toTop{right:14px;bottom:16px;width:44px;height:44px}
  .prose h3{font-size:17.5px}
  .anchor-nav a{font-size:13px;padding:6px 12px}
}

@media(max-width:380px){
  .logo span:last-child{display:none}
  .hero h1{font-size:25px}
}

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

/* ============ Print ============ */
@media print{
  header.site,#toTop,.carousel,.dots,.cta,.search,.tools{display:none!important}
  body{background:#fff;color:#000}
  .card,.post,.faq,.step,.quote{box-shadow:none;border:1px solid #ccc;background:#fff}
  body::before{display:none}
  a{color:#000;text-decoration:underline}
  section{padding:20px 0;break-inside:avoid}
}