:root{
  --brand-1:#0b1a2b;
  --brand-2:#123a5e;
  --brand-3:#1f6feb;
  --brand-4:#19c2a5;
  --brand-5:#f5a623;
  --brand-6:#7c5cff;
  --brand-glow:rgba(31,111,235,.35);
  --bg:#f7f9fc;
  --bg-alt:#eef3f9;
  --card:#ffffff;
  --card-glass:rgba(255,255,255,.72);
  --text:#1c2733;
  --muted:#5b6b7c;
  --line:#e3e9f0;
  --radius:14px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow:0 8px 26px rgba(11,26,43,.08);
  --shadow-lg:0 18px 44px rgba(11,26,43,.14);
  --shadow-glow:0 10px 34px rgba(31,111,235,.28);
  --transition:.28s cubic-bezier(.4,0,.2,1);
  --grad-hero:linear-gradient(135deg,#0b1a2b 0%,#123a5e 48%,#0e4a6e 78%,#12635f 100%);
  --grad-brand:linear-gradient(135deg,#1f6feb 0%,#19c2a5 100%);
  --grad-accent:linear-gradient(135deg,#f5a623 0%,#ff7a45 100%);
  --grad-btn:linear-gradient(135deg,#1f6feb 0%,#19c2a5 100%);
  --glass-blur:blur(16px) saturate(160%);
  --glass-border:rgba(255,255,255,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.85;
  font-size:16px;
  overflow-x:hidden;
  transition:background var(--transition),color var(--transition);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color var(--transition)}
a:hover{text-decoration:underline}
button{font-family:inherit}
::selection{background:var(--brand-3);color:#fff}
:focus-visible{outline:3px solid var(--brand-4);outline-offset:2px;border-radius:4px}
.container{width:min(1180px,92%);margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:9999;border-radius:0 0 8px 0}
.skip-link:focus{left:12px;top:12px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:linear-gradient(180deg,rgba(11,26,43,.98),rgba(18,58,94,.94));
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow var(--transition),background var(--transition);
}
.site-header:hover{box-shadow:0 10px 30px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;gap:18px;padding:12px 0;position:relative}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;transition:transform var(--transition)}
.brand:hover{text-decoration:none;transform:translateY(-1px)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  box-shadow:0 6px 18px rgba(31,111,235,.35);
  transition:transform var(--transition),box-shadow var(--transition);
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.06);box-shadow:0 10px 26px rgba(25,194,165,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;letter-spacing:.3px}
.brand-text span{font-size:12px;color:#9fc2e6;font-weight:400}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.main-nav a{
  color:#dbe7f4;padding:8px 12px;border-radius:var(--radius-sm);font-size:14px;
  position:relative;transition:background var(--transition),color var(--transition),transform var(--transition);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--transition);
}
.main-nav a:hover{background:rgba(255,255,255,.1);text-decoration:none;color:#fff;transform:translateY(-1px)}
.main-nav a:hover::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:8px}
.search-form{
  display:flex;align-items:center;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-sm);padding:4px 6px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:border-color var(--transition),background var(--transition),box-shadow var(--transition);
}
.search-form:focus-within{border-color:var(--brand-4);background:rgba(255,255,255,.18);box-shadow:0 0 0 3px rgba(25,194,165,.22)}
.search-form input{
  background:transparent;border:0;outline:none;color:#fff;width:130px;font-size:14px;padding:6px 8px;
}
.search-form input::placeholder{color:#a9c0d8}
.search-form button{
  background:var(--grad-btn);border:0;color:#fff;border-radius:8px;padding:7px 12px;cursor:pointer;font-size:14px;
  transition:transform var(--transition),box-shadow var(--transition),filter var(--transition);
}
.search-form button:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(31,111,235,.4);filter:brightness(1.06)}
.theme-toggle,.menu-toggle{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);color:#fff;
  border-radius:var(--radius-sm);padding:8px 12px;cursor:pointer;font-size:14px;
  transition:background var(--transition),transform var(--transition),border-color var(--transition);
}
.theme-toggle:hover,.menu-toggle:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);border-color:rgba(255,255,255,.3)}
.menu-toggle{display:none}

/* ===== Breadcrumb ===== */
.breadcrumb{background:var(--bg-alt);border-bottom:1px solid var(--line);transition:background var(--transition)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:10px 0;font-size:13px;color:var(--muted)}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:#9fb0c2}
.breadcrumb a{color:var(--brand-2)}

/* ===== Hero ===== */
.hero{
  background:var(--grad-hero);
  color:#fff;padding:60px 0 66px;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 300px at 85% 15%,rgba(25,194,165,.22),transparent 70%),
    radial-gradient(500px 280px at 10% 90%,rgba(124,92,255,.18),transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,194,165,.35),transparent 65%);
  animation:floatGlow 9s ease-in-out infinite;
  pointer-events:none;
}
@keyframes floatGlow{
  0%,100%{transform:translate(0,0) scale(1);opacity:.9}
  50%{transform:translate(-26px,26px) scale(1.08);opacity:.65}
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:38px;line-height:1.35;margin:0 0 16px;letter-spacing:.2px;text-shadow:0 4px 22px rgba(0,0,0,.28)}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#f5a623,#ffd166,#19c2a5);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-lead{font-size:17px;color:#d7e6f5;margin:0 0 22px}
.hero-points{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:10px}
.hero-points li{padding-left:26px;position:relative;color:#e8f2fb}
.hero-points li::before{
  content:"✓";position:absolute;left:0;color:var(--brand-4);font-weight:700;
  text-shadow:0 0 12px rgba(25,194,165,.6);
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;position:relative;overflow:hidden;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition);
}
.btn::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .6s ease;
}
.btn:hover::after{left:140%}
.btn-primary{background:var(--grad-accent);color:#1c1200;box-shadow:0 10px 26px rgba(245,166,35,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(245,166,35,.5);text-decoration:none}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);text-decoration:none}

/* ===== Hero Slider ===== */
.hero-slider{
  background:rgba(255,255,255,.08);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);padding:18px;
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  box-shadow:0 20px 50px rgba(0,0,0,.28);
  transition:transform var(--transition),box-shadow var(--transition);
}
.hero-slider:hover{transform:translateY(-4px);box-shadow:0 26px 60px rgba(0,0,0,.36)}
.slider-stage{position:relative;min-height:230px}
.slide{display:none}
.slide.is-active{display:block;animation:fadeUp .55s cubic-bezier(.4,0,.2,1)}
.slide h3{margin:0 0 8px;font-size:18px;color:#fff;letter-spacing:.2px}
.slide p{margin:0;color:#cfe1f2;font-size:14px}
.slide svg{border-radius:12px;margin-bottom:12px;box-shadow:0 10px 26px rgba(0,0,0,.3)}
.slider-dots{display:flex;gap:8px;justify-content:center;margin-top:14px}
.slider-dots button{
  width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0;
  transition:all var(--transition);
}
.slider-dots button:hover{background:rgba(255,255,255,.6);transform:scale(1.15)}
.slider-dots button.is-active{background:var(--brand-5);width:26px;border-radius:6px;box-shadow:0 0 12px rgba(245,166,35,.6)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ===== Stats ===== */
.stats{background:var(--card);border-bottom:1px solid var(--line);transition:background var(--transition)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:28px 0;text-align:center}
.stat-num{
  font-size:30px;font-weight:800;color:var(--brand-2);
  letter-spacing:.5px;transition:transform var(--transition),color var(--transition);
}
.stat-num span{color:var(--brand-3)}
.stats-grid>div:hover .stat-num{transform:translateY(-3px) scale(1.04);color:var(--brand-3)}
.stat-label{font-size:13px;color:var(--muted)}

/* ===== Sections ===== */
section{padding:56px 0;position:relative}
.section-head{max-width:820px;margin:0 auto 34px;text-align:center}
.section-head h2{
  font-size:28px;margin:0 0 12px;letter-spacing:.2px;position:relative;display:inline-block;
}
.section-head h2::after{
  content:"";display:block;width:64px;height:4px;margin:14px auto 0;border-radius:4px;
  background:var(--grad-brand);box-shadow:0 4px 14px rgba(31,111,235,.35);
}
.section-head p{color:var(--muted);margin:0}

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

/* ===== Cards ===== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--transition);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,235,.28)}
.card:hover::before{transform:scaleX(1)}
.card h3{margin:14px 0 10px;font-size:19px;letter-spacing:.2px}
.card h4{margin:16px 0 8px;font-size:16px;color:var(--brand-2)}
.card p{margin:0 0 10px;color:#3c4b5c}
.card ul{margin:0 0 10px;padding-left:20px;color:#3c4b5c}
.card ul li{margin-bottom:4px}
.icon-badge{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(31,111,235,.14),rgba(25,194,165,.18));
  transition:transform var(--transition),box-shadow var(--transition);
}
.card:hover .icon-badge{transform:rotate(-6deg) scale(1.08);box-shadow:0 8px 22px rgba(31,111,235,.28)}

/* ===== Content Block ===== */
.content-block p{color:#33414f;margin:0 0 14px}

/* ===== Anchor Nav ===== */
.anchor-nav{
  background:var(--card-glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;margin-bottom:30px;
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  box-shadow:var(--shadow);
}
.anchor-nav strong{display:block;margin-bottom:10px;color:var(--brand-2)}
.anchor-nav ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.anchor-nav a{
  background:var(--bg-alt);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--brand-2);
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition),color var(--transition);
}
.anchor-nav a:hover{background:var(--grad-brand);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 8px 18px rgba(31,111,235,.3)}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
th{background:var(--bg-alt);color:var(--brand-2);font-weight:600;white-space:nowrap}
tbody tr{transition:background var(--transition)}
tbody tr:hover{background:rgba(31,111,235,.05)}
tr:last-child td{border-bottom:0}

/* ===== Articles ===== */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.article-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,194,165,.14),transparent 70%);
  transition:transform var(--transition);
}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(25,194,165,.3)}
.article-card:hover::after{transform:scale(1.5)}
.article-card h3{margin:0 0 8px;font-size:18px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:10px}
.article-card p{margin:0 0 12px;color:#3c4b5c;font-size:15px}
.read-more{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px;transition:gap var(--transition),color var(--transition)}
.read-more:hover{gap:8px;text-decoration:none;color:var(--brand-4)}

/* ===== FAQ ===== */
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--transition),border-color var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow);border-color:rgba(31,111,235,.25)}
.faq-item.is-open{box-shadow:var(--shadow);border-color:rgba(31,111,235,.35)}
.faq-q{
  width:100%;text-align:left;background:var(--card);border:0;padding:18px 20px;font-size:16px;font-weight:600;
  color:var(--text);cursor:pointer;display:flex;justify-content:space-between;gap:14px;align-items:center;
  transition:background var(--transition),color var(--transition);
}
.faq-q:hover{color:var(--brand-3)}
.faq-q::after{
  content:"+";font-size:20px;color:var(--brand-3);flex:0 0 auto;
  transition:transform var(--transition),color var(--transition);
}
.faq-item.is-open .faq-q::after{content:"−";transform:rotate(180deg);color:var(--brand-4)}
.faq-a{display:none;padding:0 20px 18px;color:#3c4b5c;border-top:1px solid var(--line)}
.faq-item.is-open .faq-a{display:block;animation:fadeUp .35s ease}

/* ===== Steps ===== */
.steps{counter-reset:step;display:grid;gap:16px}
.step{
  background:var(--card);border:1px solid var(--line);border-left:5px solid var(--brand-3);
  border-radius:12px;padding:20px 22px;position:relative;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.step:hover{transform:translateX(6px);box-shadow:var(--shadow-lg);border-left-color:var(--brand-4)}
.step h4{margin:0 0 8px;font-size:17px}
.step h4::before{counter-increment:step;content:"步骤 " counter(step) "：";color:var(--brand-3)}
.step p{margin:0 0 8px;color:#3c4b5c}
.step ul{margin:0;padding-left:20px;color:#3c4b5c}

/* ===== Case ===== */
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.case-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:100%;
  background:linear-gradient(135deg,rgba(31,111,235,.06),transparent 60%);
  opacity:0;transition:opacity var(--transition);pointer-events:none;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(25,194,165,.3)}
.case-card:hover::before{opacity:1}
.case-tag{
  display:inline-block;background:linear-gradient(135deg,rgba(25,194,165,.18),rgba(31,111,235,.14));
  color:#0f7a66;border-radius:20px;padding:3px 12px;font-size:12px;margin-bottom:10px;font-weight:600;
  transition:transform var(--transition);
}
.case-card:hover .case-tag{transform:translateY(-2px)}

/* ===== Blockquote ===== */
blockquote{
  margin:0;padding:18px 22px;background:var(--bg-alt);border-left:4px solid var(--brand-4);
  border-radius:10px;color:#33414f;position:relative;
  transition:transform var(--transition),box-shadow var(--transition);
}
blockquote:hover{transform:translateX(4px);box-shadow:var(--shadow)}
blockquote footer{margin-top:10px;font-size:13px;color:var(--muted)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.contact-list li{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;
  display:flex;gap:12px;align-items:flex-start;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.contact-list li:hover{transform:translateX(6px);box-shadow:var(--shadow);border-color:rgba(31,111,235,.28)}
.contact-list strong{display:block;color:var(--brand-2);font-size:14px}
.contact-list span{color:#3c4b5c;font-size:15px}

/* ===== Trust ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;text-align:center;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.trust-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(25,194,165,.3)}
.trust-item strong{display:block;color:var(--brand-2);margin-bottom:6px}
.trust-item span{font-size:13px;color:var(--muted)}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(180deg,var(--brand-1),#081320);
  color:#c6d6e6;padding:50px 0 24px;margin-top:20px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:-100px;top:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,111,235,.18),transparent 70%);pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px;position:relative;z-index:1}
.site-footer h3{color:#fff;font-size:16px;margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:#c6d6e6;font-size:14px;transition:color var(--transition),padding-left var(--transition)}
.site-footer a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:13px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;position:relative;z-index:1;
}
.footer-note{font-size:13px;color:#9db4c9;line-height:1.9}

/* ===== Back to top ===== */
.back-to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;border:0;
  background:var(--grad-btn);color:#fff;font-size:20px;cursor:pointer;
  box-shadow:var(--shadow-glow);display:none;z-index:950;
  transition:transform var(--transition),box-shadow var(--transition),filter var(--transition);
}
.back-to-top:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 16px 36px rgba(31,111,235,.5);filter:brightness(1.08)}
.back-to-top.is-show{display:block;animation:fadeUp .4s ease}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.is-visible{opacity:1;transform:none}

/* ===== Dark Mode ===== */
body.dark{
  --bg:#0d1621;
  --bg-alt:#101c28;
  --card:#131f2d;
  --card-glass:rgba(19,31,45,.72);
  --text:#e6eef7;
  --muted:#93a7bb;
  --line:#22303f;
  --shadow:0 8px 26px rgba(0,0,0,.35);
  --shadow-lg:0 18px 44px rgba(0,0,0,.5);
  --glass-border:rgba(255,255,255,.1);
}
body.dark .card,body.dark .article-card,body.dark .faq-item,body.dark .step,body.dark .case-card,
body.dark .contact-list li,body.dark .trust-item,body.dark .anchor-nav,body.dark .table-wrap{background:var(--card)}
body.dark .card p,body.dark .article-card p,body.dark .step p,body.dark .faq-a,body.dark .content-block p,
body.dark .contact-list span,body.dark .card ul,body.dark .step ul,body.dark blockquote{color:#c3d2e2}
body.dark th{background:#182636;color:#dbe7f4}
body.dark .breadcrumb{background:#101c28}
body.dark .anchor-nav a{background:#182636;color:#cfe1f2}
body.dark .anchor-nav a:hover{background:var(--grad-brand);color:#fff}
body.dark .faq-q{background:var(--card);color:var(--text)}
body.dark .faq-q:hover{color:var(--brand-4)}
body.dark blockquote{background:#16232f}
body.dark .stats{background:#101c28}
body.dark .stat-num{color:#dbe7f4}
body.dark .stat-num span{color:var(--brand-4)}
body.dark .case-tag{color:#5ee0c4}
body.dark .hero{--grad-hero:linear-gradient(135deg,#081320 0%,#0d2a44 48%,#0a3a52 78%,#0d4f4a 100%)}
body.dark .site-header{background:linear-gradient(180deg,rgba(8,19,32,.98),rgba(13,42,68,.94))}
body.dark .site-footer{background:linear-gradient(180deg,#081320,#050c14)}
body.dark tbody tr:hover{background:rgba(31,111,235,.1)}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .main-nav a{padding:8px 9px;font-size:13px}
  .search-form input{width:100px}
}
@media (max-width:980px){
  .hero-grid,.grid-3,.grid-2,.article-list,.contact-grid,.footer-grid,.trust-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:linear-gradient(180deg,rgba(11,26,43,.99),rgba(18,58,94,.98));
    padding:14px 0;border-radius:0 0 var(--radius) var(--radius);
    box-shadow:0 18px 40px rgba(0,0,0,.35);
    -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  }
  .main-nav.is-open{display:block;animation:fadeUp .3s ease}
  .main-nav ul{flex-direction:column;padding:0 18px}
  .main-nav a{display:block;width:100%}
  .main-nav a::after{display:none}
  .menu-toggle{display:inline-block}
  .search-form input{width:90px}
  .hero{padding:44px 0 50px}
  .hero h1{font-size:30px}
  .section-head h2{font-size:24px}
  section{padding:44px 0}
}
@media (max-width:560px){
  body{font-size:15px}
  .hero h1{font-size:25px;line-height:1.4}
  .hero-lead{font-size:15px}
  .stats-grid{grid-template-columns:1fr;gap:14px}
  .search-form{display:none}
  .header-inner{gap:10px}
  .brand-text strong{font-size:15px}
  .brand-text span{font-size:11px}
  .brand-mark{width:36px;height:36px;flex:0 0 36px}
  .hero-actions .btn{flex:1 1 auto;text-align:center}
  .section-head h2{font-size:21px}
  .card,.article-card,.case-card{padding:18px}
  .step{padding:16px 18px}
  .back-to-top{right:14px;bottom:18px;width:42px;height:42px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}
@media print{
  .site-header,.hero-slider,.back-to-top,.anchor-nav,.breadcrumb{display:none}
  body{background:#fff;color:#000}
  .card,.article-card,.case-card,.faq-item,.step{box-shadow:none;border-color:#ccc}
}