:root{
  --brand:#6F4E37;
  --brand-2:#A9744F;
  --cream:#F5E6D3;
  --ink:#2B211B;
  --muted:#6B5D54;
  --line:#E7DCCF;
  --bg:#FFFBF6;
  --card:#FFFFFF;
  --accent:#C08552;
  --radius:14px;
  --shadow:0 10px 30px rgba(111,78,55,.10);
  --glass:rgba(255,255,255,.62);
  --glass-line:rgba(255,255,255,.55);
  --hero-1:#3E2A1E;
  --hero-2:#6F4E37;
  --hero-3:#A9744F;
  --glow:0 18px 46px rgba(111,78,55,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
html[data-theme="dark"]{
  --brand:#C9A27C;
  --brand-2:#8B6B4A;
  --cream:#241B15;
  --ink:#F3E9DE;
  --muted:#B9A899;
  --line:#3A2C22;
  --bg:#1B1410;
  --card:#241B15;
  --accent:#D9A66C;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --glass:rgba(36,27,21,.55);
  --glass-line:rgba(201,162,124,.22);
  --hero-1:#160F0B;
  --hero-2:#2E2016;
  --hero-3:#4A3323;
  --glow:0 18px 46px rgba(0,0,0,.55);
}
*{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","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s var(--ease),color .4s var(--ease);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-1;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(192,133,82,.16),transparent 62%),
    radial-gradient(760px 480px at 96% 8%,rgba(111,78,55,.14),transparent 60%),
    radial-gradient(620px 520px at 50% 108%,rgba(169,116,79,.12),transparent 62%);
}
html[data-theme="dark"] body::before{
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(217,166,108,.10),transparent 62%),
    radial-gradient(760px 480px at 96% 8%,rgba(201,162,124,.08),transparent 60%),
    radial-gradient(620px 520px at 50% 108%,rgba(139,107,74,.12),transparent 62%);
}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .28s var(--ease)}
a:hover{color:var(--accent);text-decoration:underline}
::selection{background:var(--brand);color:#fff}
.container{width:min(1180px,92%);margin:0 auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--brand);color:#fff;padding:8px 14px;border-radius:8px;z-index:9999}

/* 顶部信息条 */
.topbar{
  background:linear-gradient(90deg,var(--hero-1),var(--hero-2));
  color:#F7EEE5;
  font-size:13px;
  padding:6px 0;
  position:relative;
  z-index:20;
}
.topbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#F7EEE5}
.topbar a:hover{color:#fff}

/* 导航 */
header.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid var(--glass-line);
  box-shadow:0 2px 18px rgba(111,78,55,.07);
  transition:background .4s var(--ease),box-shadow .4s var(--ease);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.brand:hover{text-decoration:none;color:var(--brand)}
.brand .logo{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:900;
  box-shadow:0 6px 16px rgba(111,78,55,.28);
  transition:transform .45s var(--ease);
}
.brand:hover .logo{transform:rotate(-8deg) scale(1.06)}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.5px}
nav.main-nav ul{display:flex;gap:4px;list-style:none;flex-wrap:wrap}
nav.main-nav a{
  position:relative;
  padding:8px 12px;border-radius:10px;font-size:14.5px;color:var(--ink);font-weight:600;
  transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
}
nav.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--accent);transform:translateX(-50%);transition:width .32s var(--ease);
}
nav.main-nav a:hover{background:var(--cream);text-decoration:none;color:var(--brand);transform:translateY(-1px)}
nav.main-nav a:hover::after{width:calc(100% - 24px)}
.nav-tools{display:flex;align-items:center;gap:8px}
.search-box{
  display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:var(--card);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.search-box:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(169,116,79,.16)}
.search-box input{border:0;background:transparent;padding:8px 10px;font-size:14px;color:var(--ink);outline:none;width:150px}
.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 12px;cursor:pointer;font-size:14px;transition:filter .3s var(--ease);
}
.search-box button:hover{filter:brightness(1.08)}
.icon-btn{
  border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;
  padding:8px 10px;cursor:pointer;font-size:14px;
  transition:background .3s var(--ease),transform .3s var(--ease),border-color .3s var(--ease);
}
.icon-btn:hover{background:var(--cream);border-color:var(--brand-2);transform:translateY(-1px)}
.menu-toggle{display:none}

/* Banner轮播 */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--hero-1) 0%,var(--hero-2) 55%,var(--hero-3) 100%);
  background-size:180% 180%;
  animation:heroShift 18s ease-in-out infinite;
}
@keyframes heroShift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 320px at 82% 22%,rgba(255,255,255,.14),transparent 62%),
    radial-gradient(420px 300px at 8% 88%,rgba(247,217,181,.12),transparent 60%);
}
.hero .slides{position:relative;min-height:420px}
.hero .slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .85s var(--ease),visibility .85s var(--ease);
  display:flex;align-items:center;
}
.hero .slide.active{opacity:1;visibility:visible;position:relative}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;padding:56px 0;position:relative;z-index:2}
.hero h1{font-size:34px;line-height:1.35;margin-bottom:14px;letter-spacing:.5px;text-shadow:0 2px 18px rgba(0,0,0,.22)}
.hero h1 em{font-style:normal;color:#F7D9B5}
.hero p.lead{font-size:16.5px;color:#F1E3D5;margin-bottom:20px;max-width:640px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:11px 22px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease);
}
.btn:hover{transform:translateY(-3px);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,#F7D9B5,#EBC49A);color:#3E2A1E;box-shadow:0 10px 24px rgba(0,0,0,.22)}
.btn-primary:hover{background:linear-gradient(135deg,#fff,#F7D9B5);color:#3E2A1E;box-shadow:0 16px 32px rgba(0,0,0,.28)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}
.hero-art{display:grid;place-items:center;animation:floatArt 7s ease-in-out infinite}
@keyframes floatArt{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero-dots{display:flex;gap:8px;justify-content:center;padding-bottom:18px;position:relative;z-index:3}
.hero-dots button{
  width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.45);
  cursor:pointer;transition:width .4s var(--ease),background .4s var(--ease),transform .3s var(--ease);
}
.hero-dots button:hover{transform:scale(1.25);background:rgba(255,255,255,.75)}
.hero-dots button.active{background:#F7D9B5;width:26px;border-radius:999px}

/* 首屏速答 */
.quick-answer{
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px) saturate(170%);
  backdrop-filter:blur(18px) saturate(170%);
  border:1px solid var(--glass-line);
  border-left:6px solid var(--brand);
  border-radius:var(--radius);
  padding:22px 24px;margin:-42px auto 0;position:relative;z-index:5;
  box-shadow:var(--glow);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.quick-answer:hover{transform:translateY(-4px);box-shadow:0 24px 54px rgba(111,78,55,.24)}
.quick-answer h2{font-size:19px;margin-bottom:8px}
.quick-answer p{color:var(--muted);font-size:15.5px}

/* 面包屑 */
.breadcrumb{font-size:13.5px;color:var(--muted);padding:16px 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li::after{content:"›";margin-left:6px;color:var(--line)}
.breadcrumb li:last-child::after{content:""}

/* 锚点导航 */
.anchor-nav{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-line);
  border-radius:var(--radius);
  padding:14px 18px;margin-bottom:26px;
  transition:box-shadow .4s var(--ease);
}
.anchor-nav:hover{box-shadow:var(--shadow)}
.anchor-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 14px}
.anchor-nav a{
  font-size:14px;font-weight:600;color:var(--brand);position:relative;padding-bottom:2px;
}
.anchor-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--accent);
  transition:width .3s var(--ease);
}
.anchor-nav a:hover::after{width:100%}

/* 通用区块 */
section{padding:38px 0}
section h2{font-size:25px;margin-bottom:8px;color:var(--ink);position:relative}
section h2 .num{color:var(--accent);font-size:15px;font-weight:700;display:block;letter-spacing:1px}
section h3{font-size:19px;margin:22px 0 8px;color:var(--brand)}
section h4{font-size:16.5px;margin:16px 0 6px;color:var(--ink)}
section p{color:var(--muted);margin-bottom:12px}
.section-sub{color:var(--muted);margin-bottom:22px;font-size:15px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--accent),var(--brand-2));
  transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:0 22px 48px rgba(111,78,55,.20);
  border-color:var(--brand-2);
}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-top:0}
.card p{font-size:14.8px}
.tag{
  display:inline-block;
  background:linear-gradient(135deg,var(--cream),rgba(192,133,82,.18));
  color:var(--brand);border-radius:999px;padding:3px 12px;font-size:12.5px;font-weight:700;margin-bottom:10px;
  border:1px solid var(--glass-line);
}
.stat{text-align:center;padding:22px 12px}
.stat .num{font-size:34px;font-weight:900;color:var(--brand);display:block;line-height:1.2}
.stat .label{color:var(--muted);font-size:14px}
ul.checks{list-style:none}
ul.checks li{padding-left:26px;position:relative;margin-bottom:8px;color:var(--muted);font-size:15px;transition:color .3s var(--ease),transform .3s var(--ease)}
ul.checks li:hover{color:var(--ink);transform:translateX(3px)}
ul.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:900}
ol.steps{list-style:none;counter-reset:s}
ol.steps li{
  counter-increment:s;position:relative;padding-left:44px;margin-bottom:14px;color:var(--muted);
  transition:color .3s var(--ease),transform .3s var(--ease);
}
ol.steps li:hover{color:var(--ink);transform:translateX(3px)}
ol.steps li::before{
  content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:14px;
  box-shadow:0 6px 14px rgba(111,78,55,.28);
}
ol.steps li strong{color:var(--ink)}

/* 文章卡片 */
.article-card{display:flex;flex-direction:column;gap:8px}
.article-card .meta{font-size:12.8px;color:var(--muted)}
.article-card h3{font-size:17px;margin:0;transition:color .3s var(--ease)}
.article-card:hover h3{color:var(--brand)}
.article-card p{font-size:14.6px;margin:0}
.read-more{font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:4px;transition:gap .3s var(--ease)}
.read-more:hover{gap:9px;text-decoration:none}

/* FAQ */
.faq-item{
  border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--card);
  overflow:hidden;transition:box-shadow .4s var(--ease),border-color .4s var(--ease),transform .4s var(--ease);
}
.faq-item:hover{border-color:var(--brand-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.faq-item.open{border-color:var(--brand);box-shadow:0 14px 34px rgba(111,78,55,.18)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;padding:16px 18px;
  font-size:15.6px;font-weight:700;color:var(--ink);cursor:pointer;
  display:flex;justify-content:space-between;gap:12px;align-items:center;
  font-family:inherit;transition:color .3s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q span.icon{
  color:var(--brand);font-weight:900;font-size:18px;flex:none;
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--cream);transition:transform .4s var(--ease),background .4s var(--ease);
}
.faq-item.open .faq-q span.icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{
  padding:0 18px 16px;color:var(--muted);font-size:15px;display:none;
  animation:fadeSlide .45s var(--ease) both;
}
.faq-item.open .faq-a{display:block}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* 表格 */
table{
  width:100%;border-collapse:collapse;font-size:14.6px;background:var(--card);
  border-radius:12px;overflow:hidden;box-shadow:var(--shadow);
}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;color:var(--muted)}
th{background:var(--cream);color:var(--brand);font-weight:800}
tbody tr{transition:background .3s var(--ease)}
tbody tr:hover{background:rgba(192,133,82,.08)}

/* 评价 */
.quote{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
  position:relative;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.quote::before{
  content:"“";position:absolute;top:2px;right:16px;font-size:56px;line-height:1;
  color:var(--brand);opacity:.14;font-family:Georgia,serif;
}
.quote:hover{transform:translateY(-5px);box-shadow:0 22px 46px rgba(111,78,55,.20)}
.quote p{font-style:italic;color:var(--ink)}
.quote .who{font-size:13.5px;color:var(--muted);margin-top:10px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.contact-list{list-style:none}
.contact-list li{
  padding:10px 0;border-bottom:1px dashed var(--line);color:var(--muted);
  transition:padding-left .3s var(--ease),color .3s var(--ease);
}
.contact-list li:hover{padding-left:6px;color:var(--ink)}
.contact-list strong{color:var(--ink)}

/* 页脚 */
footer.site-footer{
  background:linear-gradient(180deg,#2B211B,#1F1712);
  color:#D8C9BB;margin-top:40px;padding:40px 0 20px;position:relative;overflow:hidden;
}
footer.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--accent),var(--brand-2));
}
footer.site-footer h3{color:#fff;font-size:16px;margin-bottom:12px}
footer.site-footer a{color:#D8C9BB;transition:color .3s var(--ease),padding-left .3s var(--ease)}
footer.site-footer a:hover{color:#F7D9B5;text-decoration:none;padding-left:4px}
footer.site-footer ul{list-style:none}
footer.site-footer li{margin-bottom:7px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.footer-bottom{
  border-top:1px solid #43342A;margin-top:26px;padding-top:16px;font-size:13px;color:#A79585;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* 返回顶部 */
#backTop{
  position:fixed;right:20px;bottom:26px;width:46px;height:46px;border-radius:50%;border:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:18px;cursor:pointer;
  box-shadow:0 12px 28px rgba(111,78,55,.36);display:none;z-index:800;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),filter .35s var(--ease);
}
#backTop:hover{transform:translateY(-5px) scale(1.06);box-shadow:0 18px 36px rgba(111,78,55,.46);filter:brightness(1.08)}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.reveal.visible .card{animation:cardIn .6s var(--ease) both}
@keyframes cardIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

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

@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:40px 0}
  .hero h1{font-size:26px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .contact-grid,.footer-grid{grid-template-columns:1fr}
  nav.main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--glass);
    -webkit-backdrop-filter:blur(18px) saturate(170%);
    backdrop-filter:blur(18px) saturate(170%);
    border-bottom:1px solid var(--line);padding:10px 4%;
    box-shadow:0 18px 34px rgba(111,78,55,.14);
    animation:navDrop .4s var(--ease) both;
  }
  @keyframes navDrop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
  nav.main-nav.open{display:block}
  nav.main-nav ul{flex-direction:column}
  nav.main-nav a{display:block}
  .menu-toggle{display:inline-block}
  .search-box input{width:110px}
}

@media (max-width:600px){
  body{font-size:15.5px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero .slides{min-height:520px}
  .hero h1{font-size:23px}
  .hero p.lead{font-size:15.5px}
  section{padding:28px 0}
  section h2{font-size:21px}
  .quick-answer{margin-top:-28px;padding:18px 18px}
  .quick-answer h2{font-size:17px}
  .topbar{font-size:12px}
  .topbar .container{gap:6px}
  .search-box input{width:88px}
  .card{padding:18px}
  .btn{padding:10px 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column}
}