/* ===== longfengyao.com — Scheme C ===== */
/* Colors: #88ADA6 #CACED1 #8484A0 #B6BAD8 #45446C */
/* Main palette: #88ADA6 #CACED1 #414B4E */

:root {
  --t1: #88ADA6;
  --t2: #CACED1;
  --t3: #8484A0;
  --t4: #B6BAD8;
  --t5: #45446C;
  --bg: #E8EBEC;
  --card: #FFFFFF;
  --text: #2C2C3A;
  --text2: #6B6B7A;
  --nav-bg: #414B4E;
  --nav-text: rgba(255,255,255,.85);
  --hero-left: #414B4E;
  --hero-right: #88ADA6;
  --footer-bg: #414B4E;
  --radius: 12px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,'Helvetica Neue','PingFang SC','Microsoft YaHei',sans-serif;line-height:1.6;overflow-x:hidden}

/* === NAV === */
.nav{background:var(--nav-bg);position:sticky;top:0;z-index:100}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px}
.nav-logo{font-size:1rem;font-weight:900;color:var(--t1);text-decoration:none;letter-spacing:3px}
.nav-links{display:flex;gap:8px}
.nav-links a{padding:6px 14px;color:var(--nav-text);text-decoration:none;font-size:.85rem;border-radius:6px;transition:.2s}
.nav-links a:hover,.nav-links a.act{background:rgba(136,173,166,.25);color:#fff}
/* === ARTICLE INNER PAGE === */
.art-wrap{max-width:860px;margin:0 auto;padding:30px 24px}
.art-bread{font-size:.72rem;color:var(--text2);margin-bottom:24px;padding:10px 16px;background:var(--card);border-radius:8px}
.art-bread a{color:var(--t1);text-decoration:none}
.art-article{background:var(--card);border-radius:var(--radius);padding:40px 36px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.art-article h1.art-title{font-size:1.6rem;font-weight:800;color:var(--text);margin-bottom:12px;line-height:1.3}
.art-meta{display:flex;gap:16px;font-size:.72rem;color:var(--text2);margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid #E8ECF0}
.art-content{font-size:.92rem;line-height:2;color:var(--text)}
.art-content p{margin-bottom:16px;text-indent:2em}
.art-content h2{font-size:1.15rem;font-weight:700;color:var(--t5);margin:28px 0 12px;padding-left:12px;border-left:3px solid var(--t1)}
.art-nav{display:flex;justify-content:space-between;margin-top:32px;padding-top:20px;border-top:1px solid #E8ECF0}
.art-nav-prev,.art-nav-next{font-size:.82rem;font-weight:600;color:var(--t1);text-decoration:none;padding:8px 16px;border-radius:6px;transition:.2s}
.art-nav-prev:hover,.art-nav-next:hover{background:rgba(136,173,166,.1)}
.art-reg{display:flex;gap:14px;justify-content:center;margin-top:28px;padding:24px;background:#F5F6F8;border-radius:10px}
.art-reg .btn-primary,.art-reg .btn-secondary{padding:10px 28px;font-size:.85rem}
.art-disclaimer{font-size:.68rem;color:var(--text2);text-align:center;margin-top:20px;padding:12px;background:#FFF8E8;border-radius:6px;line-height:1.6}
@media(max-width:640px){
  .art-article{padding:24px 16px}
  .art-article h1.art-title{font-size:1.2rem}
  .art-content{font-size:.82rem}
  .art-reg{flex-direction:column;align-items:center}
}


/* === HERO === */
.hero-wrap{position:relative;overflow:hidden}
.hero-parallax{position:absolute;inset:0;background:linear-gradient(135deg,var(--hero-left),var(--hero-right) 60%,#CACED1);opacity:.12;transform:translateY(-20px);animation:parallaxDrift 8s ease-in-out infinite alternate}
@keyframes parallaxDrift{0%{transform:translateY(-20px) scale(1.02)}100%{transform:translateY(10px) scale(1)}}
.hero-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;min-height:520px;position:relative}

/* Left panel */
.hero-left{background:var(--hero-left);padding:60px 40px 60px 48px;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}
.hero-badge{display:inline-block;font-size:.7rem;font-weight:700;color:#fff;background:rgba(136,173,166,.3);padding:4px 14px;border-radius:20px;margin-bottom:20px;letter-spacing:2px}
.hero-left h1{font-size:2.8rem;font-weight:900;color:#fff;line-height:1.15;margin-bottom:16px}
.hero-left h1 .hl-outline{-webkit-text-stroke:1.5px var(--t1);color:transparent}
.hero-desc{font-size:.95rem;color:rgba(255,255,255,.65);margin-bottom:28px;line-height:1.7}
.hero-cta{display:flex;gap:12px;margin-bottom:24px}
.btn-primary{display:inline-block;padding:12px 32px;background:var(--t1);color:#fff;font-size:.92rem;font-weight:700;text-decoration:none;border-radius:8px;transition:.25s;text-align:center}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(136,173,166,.4)}
.btn-secondary{display:inline-block;padding:12px 32px;background:transparent;color:var(--t1);font-size:.92rem;font-weight:600;text-decoration:none;border-radius:8px;border:1.5px solid var(--t1);transition:.25s;text-align:center}
.btn-secondary:hover{background:rgba(136,173,166,.12);transform:translateY(-2px)}
.hero-seal{display:flex;gap:18px;font-size:.72rem;color:rgba(255,255,255,.4)}
.hero-seal span{display:flex;align-items:center;gap:4px}

/* Right panel — 2x2 data cards */
.hero-right{background:var(--hero-right);padding:40px;display:flex;align-items:center;justify-content:center;position:relative;z-index:2}
.data-grid-2x2{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:100%;max-width:440px}
.data-card{background:rgba(255,255,255,.15);backdrop-filter:blur(8px);border-radius:var(--radius);padding:18px 16px;text-align:center;transition:.3s;border:1px solid rgba(255,255,255,.1)}
.data-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.25);box-shadow:0 8px 30px rgba(0,0,0,.1)}
.dc-icon{font-size:1.5rem;margin-bottom:4px;opacity:.8}
.dc-val{font-size:1.3rem;font-weight:900;color:#fff}
.dc-sub{font-size:.62rem;color:rgba(255,255,255,.55);margin:2px 0}
.dc-chg{font-size:.7rem;font-weight:700}
.dc-chg.up{color:#8BC34A}

/* === 漂浮视差卡片 (3步指引) === */
.parallax-cards{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:0 24px;position:relative;z-index:3;transform:translateY(-40px)}
.p-card{background:var(--card);border-radius:var(--radius);padding:24px 20px;box-shadow:0 8px 30px rgba(0,0,0,.08);display:flex;flex-direction:column;align-items:center;text-align:center;animation:floatUp 0.8s ease-out both;animation-delay:var(--d);border-top:3px solid var(--t1);transition:.3s}
.p-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12)}
@keyframes floatUp{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}
.p-num{font-size:.6rem;font-weight:700;color:var(--t3);margin-bottom:8px;letter-spacing:1px}
.p-icon{font-size:2rem;margin-bottom:8px}
.p-title{font-size:.92rem;font-weight:700;color:var(--text);margin-bottom:4px}
.p-text{font-size:.72rem;color:var(--text2);line-height:1.5}

/* === SECTION BASE === */
.sec{padding:60px 0}
.sec-inner{max-width:1200px;margin:0 auto;padding:0 24px}
.sec-header{margin-bottom:36px}
.sec-header h2{font-size:1.5rem;font-weight:800;color:var(--text);margin-bottom:6px}
.sec-header p{font-size:.85rem;color:var(--text2)}

/* === CARD GRID === */
.sec-cards{background:var(--bg)}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card-item{background:var(--card);border-radius:var(--radius);padding:24px 20px;position:relative;transition:.3s;border:1px solid #E8ECF0}
.card-item:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,.06)}
.card-badge{position:absolute;top:12px;right:12px;padding:2px 10px;border-radius:10px;font-size:.52rem;font-weight:700;color:#fff}
.card-icon{font-size:1.6rem;margin-bottom:8px}
.card-val{font-size:1.2rem;font-weight:900;color:var(--text);margin-bottom:2px}
.card-sub{font-size:.65rem;color:var(--text2);margin-bottom:10px}
.card-bar{height:4px;background:#EEE;border-radius:2px;overflow:hidden}
.card-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--t1),var(--t3));border-radius:2px;transition:width .6s}

/* === CAROUSEL === */
.sec-carousel{background:var(--card)}
.carousel-track{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;-webkit-overflow-scrolling:touch}
.carousel-track::-webkit-scrollbar{height:1px;background:#E8ECF0}
.carousel-track::-webkit-scrollbar-thumb{background:var(--t1);border-radius:2px}
.carousel-card{min-width:280px;max-width:320px;background:var(--bg);border-radius:var(--radius);padding:20px;scroll-snap-align:start;position:relative;overflow:hidden;transition:.25s;flex-shrink:0}
.carousel-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.cc-left{position:absolute;left:0;top:0;bottom:0;width:4px}
.cc-tag{font-size:.62rem;font-weight:700;color:var(--t3);margin-bottom:6px}
.cc-title{font-size:.88rem;font-weight:700;color:var(--text);margin-bottom:6px;line-height:1.4}
.cc-text{font-size:.72rem;color:var(--text2);line-height:1.6}

/* === ARTICLE GRID === */
.sec-articles{background:var(--bg)}
.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.art-card{background:var(--card);border-radius:var(--radius);padding:18px 16px;text-decoration:none;transition:.25s;display:flex;flex-direction:column;border:1px solid #E8ECF0;position:relative}
.art-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.06);border-color:var(--t1)}
.art-num{font-size:.55rem;font-weight:700;color:var(--t1);margin-bottom:4px}
.art-title{font-size:.82rem;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.4;flex:1}
.art-date{font-size:.62rem;color:var(--text2);margin-bottom:8px}
.art-bar{height:3px;background:#EEE;border-radius:2px;overflow:hidden}
.art-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--t1),var(--t3));border-radius:2px}

/* === NEWS GRID === */
.sec-news{background:var(--card)}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.news-card{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--bg);border-radius:8px;text-decoration:none;transition:.2s}
.news-card:hover{background:rgba(136,173,166,.1);transform:translateX(3px)}
.ns-dot{width:6px;height:6px;border-radius:50%;background:var(--t1);flex-shrink:0;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.ns-title{font-size:.78rem;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ns-date{font-size:.6rem;color:var(--text2);flex-shrink:0}

.sec-more{margin-top:24px;text-align:center}
.sec-more a{color:var(--t1);font-size:.85rem;font-weight:600;text-decoration:none}
.sec-more a:hover{text-decoration:underline}

/* === CTA === */
.sec-cta{background:#F5F6F8}
.cta-box{background:linear-gradient(135deg,#414B4E,#5A5E6E);border-radius:16px;padding:50px 40px;text-align:center}
.cta-box h2{font-size:1.6rem;font-weight:800;color:#fff;margin-bottom:8px}
.cta-box p{font-size:.88rem;color:rgba(255,255,255,.6);margin-bottom:24px}
.cta-btns{display:flex;gap:14px;justify-content:center}
.btn-lg{padding:14px 40px;font-size:1rem}

/* === FOOTER === */
.footer{background:var(--footer-bg);padding:40px 0 30px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;text-align:center}
.footer-brand{font-size:1rem;font-weight:900;color:var(--t1);letter-spacing:3px;margin-bottom:14px}
.footer-links{display:flex;justify-content:center;gap:20px;margin-bottom:16px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.45);text-decoration:none;font-size:.78rem;transition:.2s}
.footer-links a:hover{color:var(--t1)}
.footer-disclaimer p{font-size:.68rem;color:rgba(255,255,255,.25);line-height:1.7}

/* === RESPONSIVE === */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .hero-left{padding:40px 24px}
  .hero-right{padding:30px 24px}
  .parallax-cards{grid-template-columns:1fr 1fr;transform:translateY(-24px)}
  .card-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
  .hero-left h1{font-size:2rem}
}
@media(max-width:640px){
  .parallax-cards{grid-template-columns:1fr;transform:translateY(-16px)}
  .card-grid,.article-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero-left h1{font-size:1.6rem}
  .cta-btns{flex-direction:column}
  .nav-links a{padding:6px 10px;font-size:.75rem}
  .data-grid-2x2{gap:10px}
  .data-card{padding:14px 10px}
  .dc-val{font-size:1rem}
}