/* roulang page: index */
:root{--blue:#2474d8;--blue-dark:#1555a7;--sky:#eaf4ff;--peach:#f49372;--ink:#17324d;--muted:#6c8095;--bg:#f5f8fc;--line:#dce8f3;--white:#fff;--radius:16px;--shadow:0 12px 32px rgba(32,83,130,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer;border:0}.container{width:min(1200px,calc(100% - 40px));margin:auto}.site-header{height:76px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav-wrap{height:76px;display:flex;align-items:center;gap:38px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;white-space:nowrap}.logo-box{width:38px;height:38px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:14px;box-shadow:0 6px 14px rgba(36,116,216,.22)}.nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}.nav-links a{font-size:14px;color:#50667c;position:relative}.nav-links a:hover,.nav-links 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15px}.hero-copy{color:var(--muted);max-width:620px;margin-bottom:28px}.actions{display:flex;gap:13px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;font-weight:700;transition:.2s}.btn-secondary{border:1px solid #a9c7e8;background:#fff;color:var(--blue)}.btn-secondary:hover{background:var(--sky);transform:translateY(-2px)}.hero-board{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow);transform:rotate(1deg)}.board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.board-title{font-size:18px;font-weight:800}.live-dot{color:#138f82;font-size:12px}.poster-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:13px}.poster{min-height:150px;border-radius:14px;padding:16px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background:linear-gradient(145deg,#5ca8e9,#1d579b)}.poster:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent,rgba(12,38,70,.65))}.poster>*{position:relative;z-index:1}.poster.large{grid-row:span 2;min-height:320px;background:linear-gradient(145deg,#7cc3e5,#5364a7)}.poster.orange{background:linear-gradient(145deg,#f3b08b,#df6e66)}.poster small{font-size:11px;opacity:.86}.poster strong{font-size:18px}.board-stats{display:flex;gap:10px;margin-top:15px}.stat-chip{flex:1;background:#f4f8fc;border-radius:10px;padding:9px 11px;font-size:12px;color:var(--muted)}.stat-chip b{display:block;color:var(--ink);font-size:18px}.section{padding:78px 0}.section.alt{background:#edf5fc}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}.section h2{font-size:clamp(25px,3vw,36px);line-height:1.3;margin:7px 0 0}.section-intro{color:var(--muted);max-width:620px;margin:10px 0 0}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.feature{padding:27px 30px;border-right:1px solid var(--line)}.feature:last-child{border:0}.feature-number{color:var(--peach);font-size:25px;font-weight:800}.feature h3{font-size:18px;margin:8px 0}.feature p,.step p,.category p,.faq-answer,.notice p{color:var(--muted);font-size:14px;margin:0}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 8px 24px rgba(35,80,125,.05)}.step span{width:32px;height:32px;display:grid;place-items:center;background:var(--sky);color:var(--blue);border-radius:9px;font-weight:800}.step h3{font-size:17px;margin:15px 0 5px}.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.content-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 7px 20px rgba(35,80,125,.05);transition:.2s}.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a7c9ec}.cover{height:190px;background:linear-gradient(145deg,#d9edff,#7eb0dc);position:relative}.cover:nth-child(3n){background:linear-gradient(145deg,#ffe0cd,#e99a87)}.cover:before{content:"糖心TV";position:absolute;left:14px;top:14px;color:#fff;font-size:12px;letter-spacing:1px;font-weight:800}.cover:after{content:"";position:absolute;inset:35% 14px 14px;border:1px solid rgba(255,255,255,.45);border-radius:9px;transform:rotate(-5deg)}.card-info{padding:13px 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var(--line);border-radius:12px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between}.popular-mini b{color:var(--blue);margin-right:9px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 7px 20px rgba(35,80,125,.04)}.category-icon{width:40px;height:40px;border-radius:12px;background:var(--sky);color:var(--blue);display:grid;place-items:center;font-weight:800}.category h3{margin:14px 0 5px}.text-link{color:var(--blue);font-weight:700;font-size:14px}.trust-band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:center}.trust-number{font-size:36px;color:var(--blue);font-weight:800}.trust-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.trust-box p{margin:4px 0 0;color:var(--muted);font-size:14px}.ranking-layout{display:grid;grid-template-columns:1fr 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#cfe0ef;border-radius:15px;box-shadow:0 12px 35px rgba(24,60,100,.18);padding:10px 14px 10px 20px;display:flex;align-items:center;justify-content:space-between;z-index:30}.fixed-cta span{font-size:14px;font-weight:700}.fixed-cta small{display:block;color:var(--muted);font-weight:400}.close-cta{background:none;color:#9aabba;font-size:20px;margin-left:8px}@media(max-width:1024px){.nav-wrap{gap:20px}.nav-links{gap:15px}.hero-grid{gap:35px}.content-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}}@media(max-width:768px){.container{width:min(100% - 28px,620px)}.site-header,.nav-wrap{height:67px}.nav-links{display:none;position:absolute;top:67px;left:0;right:0;background:#fff;padding:16px 20px;box-shadow:0 12px 20px rgba(22,60,100,.1);flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}.nav-links a.active:after{display:none}.nav-cta{margin-top:10px;text-align:center}.menu-toggle{display:block;margin-left:auto}.hero{padding:55px 0}.hero-grid,.popular-layout,.news-layout,.ranking-layout{grid-template-columns:1fr}.hero-board{transform:none}.feature-strip,.steps,.trust-band,.notice-grid{grid-template-columns:1fr}.feature{border-right:0;border-bottom:1px solid var(--line)}.feature:last-child{border-bottom:0}.content-grid{grid-template-columns:repeat(2,1fr);gap:12px}.cover{height:165px}.popular-feature{grid-template-columns:1fr}.popular-art{min-height:190px}.timeline{grid-template-columns:1fr 1fr;gap:24px}.time-node:nth-child(3){border-left:0}.guarantee{display:grid;grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}}@media(max-width:520px){.hero h1{font-size:36px;letter-spacing:-1px}.hero-lead{font-size:16px}.section{padding:55px 0}.section-head{display:block}.content-grid{gap:10px}.cover{height:145px}.card-info{padding:10px}.card-title{font-size:14px}.rank-row{grid-template-columns:34px 1fr 68px 35px;padding:12px 12px}.compare-row{grid-template-columns:1fr 1fr 1fr;padding:13px 10px;font-size:12px}.timeline{grid-template-columns:1fr;padding:20px}.time-node,.time-node:nth-child(3){border-left:2px solid #b9d7f3}.guarantee{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.fixed-cta{bottom:10px;padding:8px 10px 8px 14px}.fixed-cta span{font-size:12px}.fixed-cta small{display:none}.fixed-cta .btn{min-height:40px;padding:7px 12px;font-size:13px}}