/* roulang page: index */
:root{
            --coral:#ff7058;
            --coral-dark:#e95748;
            --peach:#ffb18c;
            --plum:#653b72;
            --plum-dark:#35233e;
            --mint:#b9e6c9;
            --lemon:#ffe59c;
            --cream:#fffaf4;
            --paper:#ffffff;
            --soft:#fff1e7;
            --ink:#332b35;
            --muted:#7f737d;
            --line:#eee2dc;
            --shadow:0 18px 48px rgba(84,47,55,.10);
            --shadow-sm:0 8px 24px rgba(84,47,55,.08);
            --radius-xl:32px;
            --radius-lg:24px;
            --radius-md:16px;
            --ease:all .24s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;-webkit-font-smoothing:antialiased}
        body:has(.menu-toggle[aria-expanded="true"]){overflow:hidden}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer;border:0}
        button:disabled{cursor:not-allowed;opacity:.55}
        :focus-visible{outline:3px solid rgba(255,112,88,.42);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral)}
        .section{padding:92px 0;position:relative}
        .section.alt{background:#fff4eb}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
        .section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.2;letter-spacing:-.04em;margin-top:10px}
        .section-head p{max-width:590px;color:var(--muted);font-size:15px}
        .tiny-note{color:var(--muted);font-size:13px}
        .site-header{height:82px;position:sticky;top:0;z-index:20;background:rgba(255,250,244,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);transition:var(--ease)}
        .nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:26px}
        .brand{display:flex;align-items:center;gap:11px;min-width:205px}
        .brand-mark{width:45px;height:45px;border-radius:15px;background:linear-gradient(135deg,var(--coral),var(--plum));display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(230,86,77,.22)}
        .brand-mark:after{content:"▶";font-size:16px;margin-left:2px}
        .brand-name{font-size:16px;font-weight:900;line-height:1.15}
        .brand-sub{display:block;color:var(--coral-dark);font-size:11px;font-weight:700;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:5px}
        .main-nav a{padding:10px 13px;border-radius:12px;font-size:14px;color:#6c6069;transition:var(--ease);position:relative}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#fff0e7}
        .main-nav a.active:after{content:"";position:absolute;bottom:4px;left:50%;width:4px;height:4px;border-radius:50%;background:var(--coral);transform:translateX(-50%)}
        .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:13px 19px;font-weight:800;font-size:14px;transition:var(--ease)}
        .header-action,.btn-primary{color:#fff;background:linear-gradient(110deg,var(--coral),#f15d73);box-shadow:0 9px 20px rgba(239,98,87,.2)}
        .header-action:hover,.btn-primary:hover{background:linear-gradient(110deg,var(--coral-dark),#d94e68);transform:translateY(-2px)}
        .menu-toggle{display:none;background:#fff1e8;color:var(--plum);width:44px;height:44px;border-radius:12px;font-size:21px}
        .hero{padding:74px 0 82px;overflow:hidden;background:radial-gradient(circle at 80% 20%,#ffe1c9 0,transparent 32%),linear-gradient(180deg,#fffaf4 0%,#fff7f0 100%)}
        .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:70px}
        .hero h1{font-size:clamp(38px,5.2vw,68px);line-height:1.08;letter-spacing:-.065em;margin:18px 0 20px;max-width:680px}
        .gradient-text{background:linear-gradient(100deg,var(--coral),var(--plum));-webkit-background-clip:text;background-clip:text;color:transparent}
        .hero-copy{font-size:16px;color:#6f626b;max-width:620px;line-height:1.9}
        .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .btn-secondary{color:var(--plum);background:#fff;border:1px solid #ead9d2}
        .btn-secondary:hover{background:#fff0e8;border-color:#ffc4aa;transform:translateY(-2px)}
        .hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:27px;color:var(--muted);font-size:13px}
        .hero-meta strong{display:block;font-size:22px;color:var(--plum);line-height:1.2}
        .hero-stage{min-height:440px;position:relative}
        .stage-main{position:absolute;left:12%;top:25px;width:62%;min-height:355px;border-radius:28px;background:linear-gradient(145deg,#fff,#ffe8d9);box-shadow:var(--shadow);padding:23px;transform:rotate(-3deg);border:1px solid #fff}
        .stage-top{display:flex;justify-content:space-between;align-items:center;color:var(--plum);font-size:13px;font-weight:800}
        .play-board{height:190px;border-radius:20px;margin:20px 0 17px;background:linear-gradient(145deg,rgba(80,43,74,.2),rgba(255,112,88,.3)),linear-gradient(130deg,#814f75,#ff9770);position:relative;overflow:hidden}
        .play-board:before{content:"糖心Vlog";position:absolute;left:18px;bottom:18px;color:#fff;font-size:22px;font-weight:900;letter-spacing:.03em}
        .play-board:after{content:"▶";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.84);color:var(--coral);padding-left:3px}
        .progress{height:7px;background:#f5d8cc;border-radius:10px;overflow:hidden}.progress i{display:block;width:72%;height:100%;background:var(--coral);border-radius:inherit}
        .stage-line{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:8px}
        .stage-card{position:absolute;right:0;bottom:35px;width:190px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:17px;border-radius:19px;transform:rotate(5deg)}
        .stage-card strong{display:block;font-size:29px;color:var(--plum);line-height:1.1;margin:6px 0}
        .stage-card small{color:var(--muted)}
        .stage-badge{position:absolute;right:10%;top:25px;background:var(--mint);color:#28614b;padding:8px 13px;border-radius:30px;font-size:12px;font-weight:800;transform:rotate(8deg)}
        .metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
        .metric{padding:23px 20px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
        .metric:after{content:"";width:55px;height:55px;border-radius:50%;position:absolute;right:-18px;top:-18px;background:#fff1df}
        .metric-label{color:var(--muted);font-size:13px;position:relative;z-index:1}
        .metric strong{display:block;font-size:30px;color:var(--plum);line-height:1.25;margin:8px 0 5px}
        .metric-status{font-size:12px;color:#4c9670}.metric-status:before{content:"●";margin-right:5px;color:#54b47c}
        .poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .poster{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--ease)}
        .poster:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
        .poster-cover{height:218px;position:relative;padding:14px;background:linear-gradient(145deg,var(--c1),var(--c2));overflow:hidden}
        .poster-cover:before{content:"";position:absolute;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.18);right:-35px;top:18px}
        .poster-cover:after{content:"▶";position:absolute;right:14px;bottom:13px;width:35px;height:35px;border-radius:50%;background:rgba(255,255,255,.87);color:var(--coral);display:grid;place-items:center;font-size:12px;padding-left:2px;opacity:0;transition:var(--ease)}
        .poster:hover .poster-cover:after{opacity:1}
        .poster-cover span{position:relative;z-index:1;display:inline-block;background:rgba(255,255,255,.86);color:var(--plum);font-size:11px;font-weight:800;padding:4px 8px;border-radius:8px}
        .poster-cover b{position:absolute;left:14px;bottom:16px;color:#fff;font-size:22px;line-height:1.2;max-width:150px;z-index:1}
        .poster-info{padding:14px 15px 16px}.poster-info h3{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.poster-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:12px;color:var(--muted)}.rating{color:#d98a37;font-weight:800}.tag{display:inline-flex;padding:3px 8px;border-radius:8px;background:#fff0e9;color:var(--coral-dark);font-size:11px}
        .hot-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:18px}
        .hot-feature{min-height:400px;border-radius:25px;padding:27px;display:flex;align-items:end;position:relative;overflow:hidden;color:#fff;background:linear-gradient(145deg,rgba(53,35,62,.2),rgba(53,35,62,.82)),linear-gradient(130deg,#f18b6a,#68416e)}
        .hot-feature:before{content:"";position:absolute;inset:22px;border:1px solid rgba(255,255,255,.32);border-radius:18px}
        .hot-feature-content{position:relative;z-index:1}.hot-feature h3{font-size:29px;line-height:1.25;margin:10px 0}.hot-feature p{font-size:14px;opacity:.85}.hot-score{font-size:14px;color:#ffe59c}
        .hot-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        .hot-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;min-height:190px;transition:var(--ease)}
        .hot-item:hover{border-color:#ffb69d;transform:translateY(-3px)}.hot-item .mini-cover{height:78px;border-radius:12px;background:linear-gradient(135deg,var(--a),var(--b));margin-bottom:13px}.hot-item h3{font-size:15px}.hot-data{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;margin-top:8px}
        .channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .channel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;min-height:190px;position:relative;transition:var(--ease)}
        .channel:hover{box-shadow:var(--shadow-sm);transform:translateY(-3px)}.channel-number{font-size:13px;color:var(--coral);font-weight:900}.channel h3{font-size:21px;margin:12px 0 8px}.channel p{font-size:13px;color:var(--muted);line-height:1.7}.channel-foot{display:flex;justify-content:space-between;align-items:center;margin-top:17px}.channel-foot small{color:#54936f}.channel-foot a{font-size:13px;color:var(--coral-dark);font-weight:800}
        .rank-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rank-list{background:#fff;border:1px solid var(--line);border-radius:23px;padding:8px 20px}.rank-row{display:grid;grid-template-columns:38px 1fr auto auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid #f3eae5}.rank-row:last-child{border-bottom:0}.rank-num{font-size:20px;font-weight:900;color:#bca9b4}.rank-row:nth-child(-n+3) .rank-num{color:var(--coral);font-size:26px}.rank-title{font-size:14px;font-weight:800}.rank-tag{font-size:11px;color:var(--muted);background:#faf0eb;padding:3px 7px;border-radius:7px}.heat{font-size:12px;color:#c86755;font-weight:800;white-space:nowrap}
        .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:var(--ease)}.news:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}.news-thumb{height:135px;background:linear-gradient(120deg,var(--n1),var(--n2));position:relative}.news-thumb:after{content:"资讯";position:absolute;left:14px;top:14px;background:rgba(255,255,255,.82);color:var(--plum);padding:4px 8px;border-radius:7px;font-size:11px;font-weight:800}.news-body{padding:17px}.news h3{font-size:16px;line-height:1.45}.news-meta{font-size:12px;color:var(--muted);margin-top:13px;display:flex;justify-content:space-between}
        .guard-band{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:25px;overflow:hidden}.guard{padding:27px 23px;border-right:1px solid var(--line)}.guard:last-child{border-right:0}.guard-icon{width:38px;height:38px;border-radius:12px;background:#fff0e7;color:var(--coral);display:grid;place-items:center;font-weight:900;margin-bottom:15px}.guard h3{font-size:16px;margin-bottom:7px}.guard p{font-size:13px;color:var(--muted)}
        .quick-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick{display:flex;align-items:center;gap:12px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:15px;font-size:14px;font-weight:800;transition:var(--ease)}.quick:hover{background:#fff0e8;border-color:#ffc7b3;color:var(--plum)}.quick i{font-style:normal;color:var(--coral);font-weight:900}
        .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:45px;align-items:start}.faq-intro h2{font-size:36px;line-height:1.2;margin:12px 0}.faq-intro p{color:var(--muted);font-size:15px}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;min-height:62px;background:none;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:20px;font-weight:800;color:var(--ink);font-size:15px}.faq-question span:last-child{font-size:22px;color:var(--coral);transition:var(--ease)}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 18px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .form-section{background:linear-gradient(135deg,var(--plum-dark),#704269);color:#fff}.form-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:55px;align-items:start}.form-copy h2{font-size:clamp(29px,4vw,45px);line-height:1.2;margin:12px 0 18px}.form-copy p{color:rgba(255,255,255,.72);font-size:15px}.step-list{margin-top:28px;display:grid;gap:14px}.step{display:flex;gap:13px;align-items:flex-start;color:rgba(255,255,255,.82);font-size:13px}.step b{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:rgba(255,255,255,.14);color:#ffd09c;flex:none}
        .help-form{background:#fff;color:var(--ink);border-radius:25px;padding:28px;box-shadow:var(--shadow)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 13px;background:#fffaf7;color:var(--ink);outline:none;transition:var(--ease)}.field textarea{min-height:92px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,112,88,.1)}.form-submit{width:100%;margin-top:2px}.privacy{font-size:12px;color:var(--muted);margin-top:11px}.form-message{display:none;color:#4a946d;background:#effaf1;border-radius:10px;padding:10px 12px;margin-top:12px;font-size:13px}.form-message.show{display:block}
        .site-footer{background:#2d2135;color:#fff;padding:56px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:#c7b8c6;font-size:13px;margin-top:15px;max-width:280px}.footer-title{font-size:14px;margin-bottom:16px;color:#fff}.footer-links{display:grid;gap:9px}.footer-links a{font-size:13px;color:#c7b8c6;transition:var(--ease)}.footer-links a:hover{color:#ffb18c}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;color:#a99ba9;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1050px){.main-nav{gap:0}.main-nav a{padding:9px 8px;font-size:13px}.header-action{padding:11px 13px}.hero-grid{gap:35px}.metric-grid{grid-template-columns:repeat(3,1fr)}.metric:last-child{grid-column:span 3}.poster-grid{grid-template-columns:repeat(3,1fr)}}
        @media(max-width:780px){.container{width:min(100% - 30px,600px)}.site-header,.nav-wrap{height:70px}.brand{min-width:0}.brand-name{font-size:14px}.brand-mark{width:40px;height:40px}.main-nav{position:fixed;left:15px;right:15px;top:78px;padding:12px;background:#fffaf4;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:13px 15px}.header-action{margin-left:auto;padding:10px 12px;font-size:12px}.menu-toggle{display:block}.hero{padding:55px 0 60px}.hero-grid,.form-grid,.faq-layout{grid-template-columns:1fr}.hero-stage{min-height:390px;margin-top:8px}.stage-main{left:4%;width:76%}.stage-card{right:1%}.section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:13px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric:last-child{grid-column:span 2}.poster-grid{grid-template-columns:repeat(2,1fr);gap:12px}.poster-cover{height:190px}.hot-layout,.rank-wrap{grid-template-columns:1fr}.channel-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:repeat(2,1fr)}.guard-band{grid-template-columns:repeat(2,1fr)}.guard:nth-child(2){border-right:0}.guard:nth-child(-n+2){border-bottom:1px solid var(--line)}.quick-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.container{width:calc(100% - 24px)}.brand-sub{font-size:10px}.header-action{display:none}.hero h1{font-size:39px}.hero-copy{font-size:14px}.hero-buttons{display:grid;grid-template-columns:1fr}.hero-buttons .btn{width:100%}.hero-meta{gap:15px}.hero-stage{min-height:320px;transform:scale(.92);transform-origin:top left;width:108%;margin-bottom:-25px}.metric{padding:18px 14px}.metric strong{font-size:24px}.poster-grid{grid-template-columns:repeat(2,1fr)}.poster-cover{height:156px;padding:10px}.poster-cover b{font-size:16px;left:10px;bottom:10px}.poster-info{padding:11px}.poster-info h3{font-size:13px}.hot-list,.channel-grid,.news-grid{grid-template-columns:1fr}.hot-feature{min-height:300px}.rank-list{padding:5px 13px}.rank-row{grid-template-columns:31px 1fr auto;gap:7px}.rank-row .rank-tag{display:none}.guard-band{grid-template-columns:1fr}.guard{border-right:0!important;border-bottom:1px solid var(--line)!important}.guard:last-child{border-bottom:0!important}.quick-list{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.help-form{padding:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid .footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
        @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}