:root{--red:#c0392b;--red-dark:#a93226;--red-light:#fde8e8;--blue:#2874a6;--blue-light:#e8f4fd;--bg:#faf8f4;--bg-warm:#f5f0e8;--card:#ffffff;--border:#e8e4df;--text:#2d2926;--muted:#7a746e;--shadow-sm:0 2px 8px rgba(0,0,0,0.04);--shadow-md:0 6px 24px rgba(0,0,0,0.08);--shadow-lg:0 12px 40px rgba(0,0,0,0.12);--radius:14px;--radius-sm:10px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.progress-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--red),#e74c3c,var(--red));width:0%;z-index:9999;transition:width 80ms}
nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.96);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1.5px solid var(--border);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,48px);box-shadow:0 1px 12px rgba(0,0,0,0.03)}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:900;font-size:18px;color:var(--red)}
.nav-logo span{color:var(--text);font-weight:700}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links a{color:var(--muted);font-size:13px;font-weight:600;padding:6px 10px;border-radius:8px;transition:all .2s;white-space:nowrap}
.nav-links a:hover{color:var(--red);background:var(--red-light)}
.nav-cta{background:var(--red)!important;color:#fff!important;padding:7px 16px!important;border-radius:8px!important;font-weight:700!important;font-size:13px!important;box-shadow:0 2px 8px rgba(192,57,43,0.25)}
.nav-cta:hover{background:var(--red-dark)!important;transform:translateY(-1px)}
.hamburger{display:none;background:none;border:1.5px solid var(--border);font-size:13px;cursor:pointer;color:var(--text);font-weight:600;padding:6px 12px;border-radius:8px}
.section{max-width:1000px;margin:0 auto;padding:52px clamp(20px,4vw,40px)}
.section-alt{background:var(--bg-warm)}
.section-white{background:#fff}
.section-header{text-align:center;margin-bottom:32px}
.section-label{display:inline-block;font-size:12px;font-weight:700;color:var(--red);padding:4px 14px;border-radius:20px;background:var(--red-light);margin-bottom:10px}
.section-title{font-size:clamp(20px,3.2vw,32px);font-weight:900;margin-bottom:8px}
.section-desc{font-size:14px;color:var(--muted);max-width:500px;margin:0 auto}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--radius-sm);background:var(--red);color:#fff;font-weight:800;font-size:15px;transition:all .25s;cursor:pointer;border:none;box-shadow:0 4px 16px rgba(192,57,43,0.3)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 8px 28px rgba(192,57,43,0.35)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--radius-sm);background:var(--card);color:var(--red);font-weight:700;font-size:15px;border:2px solid var(--red);transition:all .25s;cursor:pointer}
.btn-secondary:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s ease,transform .55s ease}
.reveal.visible{opacity:1;transform:none}
.faq-item{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:#ddd}
.faq-q{padding:15px 20px;font-weight:700;font-size:14px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .2s}
.faq-q:hover{color:var(--red)}
.faq-q::after{content:'+';color:var(--red);font-size:20px;font-weight:300;transition:transform .25s;flex-shrink:0;margin-left:10px}
.faq-item.open .faq-q::after{content:'-';transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 20px;font-size:13px;color:var(--muted);line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}
footer{text-align:center;padding:26px 24px;border-top:2px solid var(--border);background:#f5f3ee;font-size:12px;color:var(--muted)}
footer a{color:var(--red);margin:0 6px}
.footer-disc{font-size:11px;color:#aaa;max-width:680px;margin:10px auto 0;line-height:1.7}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--red)}
.breadcrumb span{margin:0 6px;color:#ccc}
@media(max-width:768px){.nav-links{display:none}.hamburger{display:block!important}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:60px;right:16px;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;gap:4px;box-shadow:var(--shadow-md)}.section{padding:36px 18px}}

.hero{padding:96px 24px 52px;text-align:center;position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 1px 1px,rgba(192,57,43,0.04) 1px,transparent 0);background-size:40px 40px;pointer-events:none}
.hero-emoji{font-size:64px;display:inline-block;animation:float 3s ease-in-out infinite;filter:drop-shadow(0 8px 16px rgba(0,0,0,0.1));margin-bottom:18px}
@keyframes float{0%,100%{transform:translateY(0) rotate(0deg)}25%{transform:translateY(-8px) rotate(-3deg)}75%{transform:translateY(-4px) rotate(2deg)}}
.hero h1{font-size:clamp(24px,4vw,42px);font-weight:900;line-height:1.3;margin-bottom:12px}
.hero h1 .red{color:var(--red)}
.hero-sub{font-size:clamp(14px,1.8vw,16px);color:var(--muted);max-width:560px;margin:0 auto 12px;line-height:1.8}
.hero-tags{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.hero-tag{padding:5px 14px;border-radius:20px;font-size:12px;font-weight:700;background:var(--card);border:1.5px solid var(--border);transition:all .2s}
.hero-tag:hover{border-color:var(--red);color:var(--red);transform:translateY(-1px)}
.hero-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.social-proof{display:flex;justify-content:center;gap:28px;flex-wrap:wrap}
.proof-item{text-align:center;padding:10px 6px}
.proof-num{font-size:24px;font-weight:900;color:var(--red)}
.proof-label{font-size:11px;color:var(--muted);font-weight:600}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pain-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .25s;position:relative;overflow:hidden}
.pain-card::after{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--red);opacity:0;transition:opacity .2s}
.pain-card:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.pain-card:hover::after{opacity:1}
.pain-icon{font-size:28px;margin-bottom:8px}
.pain-title{font-size:15px;font-weight:800;margin-bottom:5px;color:var(--red)}
.pain-desc{font-size:12px;color:var(--muted);line-height:1.65}
.ba-grid{display:grid;grid-template-columns:1fr auto 1fr;max-width:820px;margin:28px auto 0}
.ba-col{background:var(--card);border:2px solid var(--border);padding:24px}
.ba-before{border-radius:var(--radius) 0 0 var(--radius)}
.ba-after{border:2px solid var(--red);border-radius:0 var(--radius) var(--radius) 0;background:linear-gradient(135deg,#fffaf8,#fff5f0)}
.ba-mid{display:flex;align-items:center;justify-content:center;background:var(--border);width:2px;position:relative;flex-shrink:0}
.ba-arrow{position:absolute;width:32px;height:32px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem;box-shadow:0 0 0 4px var(--bg-warm)}
.ba-head{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;display:inline-block;padding:2px 8px;border-radius:4px}
.ba-before .ba-head{background:#f0ede8;color:var(--muted)}
.ba-after .ba-head{background:var(--red-light);color:var(--red)}
.ba-item{font-size:12px;color:var(--muted);padding:5px 0;border-bottom:1px solid var(--border);display:flex;gap:7px;align-items:flex-start}
.ba-item:last-child{border-bottom:none}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.scene-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center;transition:all .25s;position:relative;overflow:hidden}
.scene-card::after{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--red);opacity:0;transition:opacity .2s}
.scene-card:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.scene-card:hover::after{opacity:1}
.scene-icon{font-size:30px;margin-bottom:10px}
.scene-title{font-size:15px;font-weight:800;margin-bottom:5px}
.scene-desc{font-size:12px;color:var(--muted);line-height:1.6}
.feature-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .25s;position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--red);opacity:0;transition:opacity .2s}
.feature-card:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.feature-card:hover::after{opacity:1}
.feat-icon{font-size:26px;margin-bottom:8px}
.feat-title{font-size:15px;font-weight:800;margin-bottom:5px}
.feat-desc{font-size:12px;color:var(--muted);line-height:1.65}
.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:stretch}
.hub-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:26px;transition:all .25s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.hub-card::after{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--red);opacity:0;transition:opacity .2s}
.hub-card:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.hub-card:hover::after{opacity:1}
.hub-card-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.hub-icon{font-size:32px}
.hub-title{font-size:17px;font-weight:900;color:var(--text)}
.hub-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:14px;flex:1}
.hub-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.hub-tag{font-size:11px;background:var(--red-light);color:var(--red);border-radius:4px;padding:2px 8px;font-weight:700}
.hub-link{font-size:13px;font-weight:700;color:var(--red);display:flex;align-items:center;gap:4px;margin-top:auto}
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.final-cta{text-align:center;padding:56px 24px;background:linear-gradient(180deg,var(--bg) 0%,#fff 50%,var(--bg) 100%)}
.final-cta h2{font-size:clamp(20px,3vw,30px);font-weight:900;margin-bottom:10px}
.final-cta p{font-size:14px;color:var(--muted);margin-bottom:24px}
.btn-big{display:inline-flex;align-items:center;gap:10px;background:var(--red);color:#fff;padding:15px 36px;border-radius:var(--radius-sm);font-weight:800;font-size:16px;transition:all .25s;cursor:pointer;border:none;box-shadow:0 6px 24px rgba(192,57,43,0.3);animation:cta-pulse 2.5s ease-in-out infinite}
.btn-big:hover{background:var(--red-dark);transform:translateY(-3px)}
@keyframes cta-pulse{0%,100%{box-shadow:0 6px 24px rgba(192,57,43,0.3)}50%{box-shadow:0 6px 32px rgba(192,57,43,0.45)}}
@media(max-width:768px){.pain-grid,.cards-3,.hub-grid,.faq-cols{grid-template-columns:1fr}.ba-grid{grid-template-columns:1fr}.ba-mid{display:none}.ba-before{border-radius:var(--radius) var(--radius) 0 0}.ba-after{border-radius:0 0 var(--radius) var(--radius)}}
@media(max-width:480px){.hero-btns{flex-direction:column;align-items:center}.btn-primary,.btn-secondary{width:100%;justify-content:center}}

.hub-group{margin-top:28px}
.hub-group:first-of-type{margin-top:0}
.hub-group-title{font-size:18px;font-weight:900;margin:0 0 14px;color:var(--text);padding-left:12px;border-left:4px solid var(--red)}
@media(max-width:768px){.hub-group-title{text-align:left;font-size:16px}}

.page-hero{padding:88px 24px 40px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1.5px solid var(--border)}
.page-hero-inner{max-width:1000px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.page-badge{display:inline-block;font-size:11px;font-weight:700;color:var(--red);padding:3px 12px;border-radius:20px;background:var(--red-light);margin-bottom:12px}
.page-hero h1{font-size:clamp(22px,3.5vw,36px);font-weight:900;line-height:1.3;margin-bottom:10px}
.page-hero-desc{font-size:14px;color:var(--muted);max-width:660px;line-height:1.8;margin-bottom:20px}
.page-hero-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.back-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.back-link{font-size:13px;color:var(--red);font-weight:700}
.back-link:hover{text-decoration:underline}
.content-list{max-width:780px;margin:0 auto;list-style:none;display:grid;gap:12px}
.content-list li{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:14px 18px;font-size:14px;color:var(--text);line-height:1.8;position:relative}
.content-list li::before{content:'✓';color:var(--red);font-weight:900;margin-right:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.related-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius-sm);padding:16px;transition:all .2s;display:block}
.related-card:hover{border-color:var(--red);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.related-icon{font-size:22px;margin-bottom:6px}
.related-title{font-size:13px;font-weight:800;margin-bottom:4px}
.related-desc{font-size:11px;color:var(--muted)}
@media(max-width:768px){.related-grid{grid-template-columns:1fr}.page-hero{padding-top:78px}.content-list li{font-size:13px}}

.compact-hub-header{margin-bottom:22px}
.hub-grid-compact{grid-template-columns:repeat(5,1fr);gap:10px;align-items:stretch}
.hub-card-compact{padding:14px;min-height:132px;border-radius:12px;position:relative;display:grid;grid-template-rows:38px 38px 22px 18px;row-gap:4px}
.hub-card-compact .hub-card-head{gap:7px;margin-bottom:0;align-items:center;height:38px;overflow:hidden}
.hub-card-compact .hub-icon{font-size:22px;line-height:1;width:24px;min-width:24px;text-align:center;display:flex;align-items:center;justify-content:center}
.hub-card-compact .hub-title{font-size:14px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hub-card-compact .hub-desc{font-size:12px;line-height:1.55;height:38px;margin-bottom:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hub-card-compact .hub-tags{gap:4px;margin-bottom:0;display:flex;align-items:center;flex-wrap:nowrap;overflow:hidden;height:22px}
.hub-card-compact .hub-tag{font-size:10px;padding:1px 6px;white-space:nowrap;line-height:1.6}
.hub-card-compact .hub-link{font-size:12px;position:static;margin-top:0;align-self:end;justify-content:flex-start;height:18px;line-height:18px}
@media(max-width:1100px){.hub-grid-compact{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.hub-grid-compact{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.hub-grid-compact{grid-template-columns:1fr}.hub-card-compact{min-height:132px}}