:root{
  --orange:#FF6B00;--orange2:#FF8C00;--navy:#0D1B2A;--navy2:#162236;
  --gray:#F5F6FA;--text:#222;--text2:#555;--white:#fff;
  --radius:10px;--shadow:0 4px 20px rgba(0,0,0,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'Noto Sans SC',sans-serif;color:var(--text);background:var(--white);line-height:1.7}

/* ── HEADER ── */
header{position:sticky;top:0;z-index:999;background:var(--navy);box-shadow:0 2px 12px rgba(0,0,0,.3)}
.hdr-inner{max-width:1200px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{color:var(--orange);font-size:1.25rem;font-weight:700;text-decoration:none;letter-spacing:-.5px}
.logo span{color:var(--white)}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{color:rgba(255,255,255,.85);text-decoration:none;padding:6px 10px;border-radius:6px;font-size:.85rem;transition:.2s}
nav a:hover,nav a.active{background:var(--orange);color:var(--white)}
.hdr-cta{background:var(--orange);color:var(--white);border:none;padding:8px 18px;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:600;white-space:nowrap}
.hdr-cta:hover{background:var(--orange2)}
.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.6rem;cursor:pointer}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#1a3050 60%,#0a2238 100%);padding:60px 16px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero h1{color:var(--white);font-size:clamp(1.6rem,5vw,2.8rem);font-weight:800;margin-bottom:16px;position:relative}
.hero h1 em{color:var(--orange);font-style:normal}
.hero p{color:rgba(255,255,255,.8);font-size:clamp(.95rem,2.5vw,1.15rem);max-width:700px;margin:0 auto 28px;position:relative}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}
.btn-primary{background:var(--orange);color:var(--white);padding:13px 32px;border-radius:8px;text-decoration:none;font-weight:700;font-size:1rem;transition:.2s;display:inline-block}
.btn-primary:hover{background:var(--orange2);transform:translateY(-2px)}
.btn-outline{border:2px solid rgba(255,255,255,.5);color:var(--white);padding:11px 28px;border-radius:8px;text-decoration:none;font-size:1rem;transition:.2s;display:inline-block}
.btn-outline:hover{border-color:var(--orange);color:var(--orange)}

/* ── IMG WRAP ── */
.img-wrap{position:relative;width:100%;max-width:var(--iw,800px);margin:0 auto;border-radius:var(--radius);overflow:hidden;display:block}
.img-wrap img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:16/8}
.img-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.55);color:#fff;font-size:clamp(1.1rem,3vw,1.6rem);font-weight:700;padding:14px 28px;border-radius:8px;text-align:center;white-space:nowrap;line-height:1.4;backdrop-filter:blur(2px);border:1.5px solid rgba(255,255,255,.2);pointer-events:none}

/* ── SECTION ── */
section{padding:56px 16px}
.container{max-width:1200px;margin:0 auto}
.sec-title{text-align:center;margin-bottom:40px}
.sec-title h2{font-size:clamp(1.4rem,3.5vw,2rem);font-weight:800;color:var(--navy);margin-bottom:10px}
.sec-title h2 em{color:var(--orange);font-style:normal}
.sec-title p{color:var(--text2);font-size:.95rem;max-width:600px;margin:0 auto}
.sec-bg{background:var(--gray)}

/* ── CARDS ── */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.card{background:var(--white);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);transition:.25s;border:1.5px solid transparent}
.card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:0 8px 30px rgba(255,107,0,.12)}
.card-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--orange),var(--orange2));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:18px}
.card h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;color:var(--navy)}
.card p{color:var(--text2);font-size:.9rem;line-height:1.6}

/* ── STEPS ── */
.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;counter-reset:step}
.step{background:var(--white);border-radius:var(--radius);padding:24px 18px;box-shadow:var(--shadow);position:relative;counter-increment:step}
.step::before{content:counter(step);position:absolute;top:-14px;left:20px;background:var(--orange);color:var(--white);font-weight:800;font-size:.9rem;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.step h3{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:8px;padding-top:8px}
.step p{color:var(--text2);font-size:.88rem}

/* ── FAQ ── */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{padding:18px 22px;font-weight:700;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.95rem}
.faq-q::after{content:'＋';color:var(--orange);font-size:1.2rem;flex-shrink:0;margin-left:12px;transition:.3s}
.faq-item.open .faq-q::after{content:'－'}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:.35s ease;color:var(--text2);font-size:.9rem;line-height:1.8}
.faq-item.open .faq-a{padding:12px 22px 18px;max-height:500px}

/* ── TABLE ── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{background:var(--navy);color:var(--white);padding:12px 16px;text-align:left}
td{padding:10px 16px;border-bottom:1px solid #eee}
tr:nth-child(even) td{background:var(--gray)}
tr:hover td{background:#fff3e8}

/* ── CTA BAND ── */
.cta-band{background:linear-gradient(135deg,var(--orange),var(--orange2));padding:48px 16px;text-align:center}
.cta-band h2{color:var(--white);font-size:clamp(1.3rem,3vw,1.9rem);margin-bottom:14px;font-weight:800}
.cta-band p{color:rgba(255,255,255,.9);margin-bottom:24px;font-size:.95rem}
.btn-white{background:var(--white);color:var(--orange);padding:13px 36px;border-radius:8px;text-decoration:none;font-weight:700;display:inline-block;transition:.2s}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}

/* ── BREADCRUMB ── */
.breadcrumb{background:var(--gray);padding:12px 16px;font-size:.85rem;color:var(--text2)}
.breadcrumb a{color:var(--orange);text-decoration:none}
.breadcrumb span{margin:0 6px}

/* ── FOOTER ── */
footer{background:var(--navy);color:rgba(255,255,255,.7);padding:48px 16px 20px}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand .logo{font-size:1.1rem;display:block;margin-bottom:12px}
.footer-brand p{font-size:.85rem;line-height:1.7}
footer h4{color:var(--white);font-size:.95rem;margin-bottom:14px;font-weight:700}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer ul a{color:rgba(255,255,255,.65);text-decoration:none;font-size:.88rem;transition:.2s}
footer ul a:hover{color:var(--orange)}
.footer-bottom{max-width:1200px;margin:0 auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:.82rem}

/* ── FLOAT BTN ── */
.float-cta{position:fixed;bottom:24px;right:18px;z-index:888;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{background:var(--orange);color:var(--white);padding:11px 18px;border-radius:50px;box-shadow:0 4px 18px rgba(255,107,0,.45);cursor:pointer;font-size:.88rem;font-weight:700;border:none;display:flex;align-items:center;gap:6px;white-space:nowrap;transition:.2s}
.float-btn:hover{background:var(--orange2);transform:scale(1.05)}
.float-btn.float-top{background:var(--navy);box-shadow:0 4px 14px rgba(0,0,0,.3);font-size:.8rem}
.float-badge{position:absolute;top:-6px;right:-6px;background:#e53935;color:#fff;font-size:.65rem;border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-weight:700}

/* ── HERO STATS ── */
.hero-stats{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;margin-top:36px}
.stat-item{text-align:center}
.stat-num{color:var(--orange);font-size:2rem;font-weight:800;display:block;line-height:1}
.stat-label{color:rgba(255,255,255,.7);font-size:.82rem;margin-top:4px}

/* ── ARTICLE ── */
.article-body{max-width:820px;margin:0 auto}
.article-body h2{font-size:1.35rem;font-weight:800;color:var(--navy);margin:32px 0 14px;padding-left:12px;border-left:4px solid var(--orange)}
.article-body h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin:22px 0 10px}
.article-body p{color:var(--text2);margin-bottom:14px;line-height:1.85;font-size:.95rem}
.article-body ul,.article-body ol{padding-left:22px;margin-bottom:14px;color:var(--text2);font-size:.95rem}
.article-body li{margin-bottom:8px;line-height:1.7}
.tip-box{background:#fff8f0;border:1px solid #ffd8a8;border-left:4px solid var(--orange);border-radius:8px;padding:16px 18px;margin:18px 0;font-size:.9rem;color:#7a4500}
.tip-box strong{color:var(--orange)}

/* ── TAG CLOUD ── */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.tag{background:var(--gray);color:var(--text2);padding:5px 12px;border-radius:20px;font-size:.82rem;text-decoration:none;transition:.2s;border:1px solid #e0e0e0}
.tag:hover{background:var(--orange);color:var(--white);border-color:var(--orange)}

/* ── MOBILE ── */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  nav{display:none;flex-direction:column;position:absolute;top:60px;left:0;right:0;background:var(--navy);padding:12px;gap:6px}
  nav.open{display:flex}
  nav a{padding:10px 14px}
  .nav-toggle{display:block}
}
@media(max-width:600px){
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .stat-num{font-size:1.6rem}
  .img-label{font-size:.95rem;padding:10px 16px;white-space:normal;text-align:center;width:90%}
}