:root{
  --primary:#ff7a00;
  --primary-deep:#d85f00;
  --bg:#fffaf3;
  --text:#202020;
  --muted:#666;
  --line:#f0d4b5;
  --card:#ffffff;
  --shadow:0 12px 28px rgba(216,95,0,.10);
  --radius:20px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fff7ee 0,#fff 260px);
  line-height:1.85;
}
a{color:var(--primary-deep);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:1000}
.site-header{
  border-bottom:1px solid rgba(255,122,0,.12);
  background:rgba(255,250,243,.96);
  backdrop-filter:saturate(140%) blur(8px);
}
.topbar,.section-wrap,.footer-wrap,.hero-inner,.main-wrap,.breadcrumb-wrap{
  width:min(var(--max),calc(100% - 32px));
  margin:0 auto;
}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:14px 0;
}
.brand{
  display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem;color:var(--text)
}
.brand img{width:42px;height:42px;border-radius:10px}
nav ul{
  margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:18px;align-items:center
}
nav a{font-weight:700}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 18px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;
  box-shadow:var(--shadow)
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 18px;border-radius:999px;border:1px solid var(--primary);color:var(--primary-deep);font-weight:800;background:#fff
}
.hero{padding:32px 0 20px}
.hero-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center
}
.hero-copy h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.15;margin:.2em 0 .4em}
.hero-copy p{font-size:1.06rem;color:#4a4a4a;margin:0 0 18px}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 0}
.hero-points div,.mini-stat,.badge,.notice,.tip-card,.faq-item,.review-card,.category-card,.content-card,.metric-card,.support-card{
  background:var(--card);border:1px solid #f3dfca;border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-points div{padding:12px 14px;font-weight:700}
.hero-figure img{border-radius:28px;box-shadow:var(--shadow)}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 0}
.badge{padding:8px 12px;font-size:.94rem}
.breadcrumb{padding:8px 0 4px;color:var(--muted);font-size:.95rem}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb li::after{content:"/";margin-left:8px;color:#bbb}
.breadcrumb li:last-child::after{display:none}
.main-wrap{padding:14px 0 56px}
.section{padding:20px 0}
.section h2{font-size:1.8rem;margin:0 0 12px}
.section h3{font-size:1.24rem;margin:0 0 10px}
.lead{font-size:1.06rem;color:#444}
.grid-2,.grid-3,.grid-4{
  display:grid;gap:20px
}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.content-card,.category-card,.metric-card,.support-card,.tip-card,.review-card,.faq-item{
  padding:18px
}
.category-card img{border-radius:14px;margin-bottom:12px}
.category-card p,.content-card p,.review-card p,.faq-item p,.support-card p,.tip-card p{margin:.4em 0 0;color:#4b4b4b}
.flash-score{
  display:inline-block;padding:4px 10px;border-radius:999px;background:#fff1e6;border:1px solid #ffbf80;
  animation:flash-score 1.4s infinite alternate;font-weight:800;color:var(--primary-deep)
}
@keyframes flash-score{
  from{transform:translateY(0);box-shadow:0 0 0 rgba(255,122,0,.2)}
  to{transform:translateY(-1px);box-shadow:0 0 18px rgba(255,122,0,.28)}
}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric-card strong{display:block;font-size:1.55rem;color:var(--primary-deep)}
.list-check,.faq-list,.plain-list{padding-left:1.2em}
.notice{padding:16px 18px}
.notice strong{color:var(--primary-deep)}
.review-meta{color:#7a7a7a;font-size:.94rem}
.author-box{
  display:grid;grid-template-columns:88px 1fr;gap:18px;align-items:center;
  padding:18px;background:#fff;border:1px solid #f3dfca;border-radius:22px;box-shadow:var(--shadow)
}
.author-box img{width:88px;height:88px;border-radius:50%;object-fit:cover}
.table-like{display:grid;gap:10px}
.row{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:14px 16px;
  background:#fff;border:1px solid #f3dfca;border-radius:16px
}
.site-footer{
  background:#241507;color:#f6e4d5;margin-top:24px
}
.footer-wrap{padding:34px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:20px}
.site-footer a{color:#ffd5b5}
.small{font-size:.95rem;color:#8a8a8a}
.center{text-align:center}
figure{margin:0}
.callout{
  padding:18px 20px;background:linear-gradient(135deg,#fff1e6,#fff9f4);border:1px solid #ffd0a4;border-radius:22px
}
@media (max-width:960px){
  .hero-grid,.grid-4,.grid-3,.grid-2,.metrics,.footer-grid{grid-template-columns:1fr 1fr}
  .row{grid-template-columns:1fr}
}
@media (max-width:680px){
  .topbar{flex-direction:column;align-items:flex-start}
  nav ul{gap:12px}
  .hero-grid,.grid-4,.grid-3,.grid-2,.metrics,.footer-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:2rem}
  .author-box{grid-template-columns:1fr;text-align:center}
}